| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * MOV demuxer | ||
| 3 | * Copyright (c) 2001 Fabrice Bellard | ||
| 4 | * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> | ||
| 5 | * | ||
| 6 | * first version by Francois Revol <revol@free.fr> | ||
| 7 | * seek function by Gael Chardon <gael.dev@4now.net> | ||
| 8 | * | ||
| 9 | * This file is part of FFmpeg. | ||
| 10 | * | ||
| 11 | * FFmpeg is free software; you can redistribute it and/or | ||
| 12 | * modify it under the terms of the GNU Lesser General Public | ||
| 13 | * License as published by the Free Software Foundation; either | ||
| 14 | * version 2.1 of the License, or (at your option) any later version. | ||
| 15 | * | ||
| 16 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 19 | * Lesser General Public License for more details. | ||
| 20 | * | ||
| 21 | * You should have received a copy of the GNU Lesser General Public | ||
| 22 | * License along with FFmpeg; if not, write to the Free Software | ||
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include "config_components.h" | ||
| 27 | |||
| 28 | #include <inttypes.h> | ||
| 29 | #include <limits.h> | ||
| 30 | #include <stdint.h> | ||
| 31 | |||
| 32 | #include "libavutil/attributes.h" | ||
| 33 | #include "libavutil/bprint.h" | ||
| 34 | #include "libavutil/channel_layout.h" | ||
| 35 | #include "libavutil/internal.h" | ||
| 36 | #include "libavutil/intreadwrite.h" | ||
| 37 | #include "libavutil/intfloat.h" | ||
| 38 | #include "libavutil/mathematics.h" | ||
| 39 | #include "libavutil/avassert.h" | ||
| 40 | #include "libavutil/avstring.h" | ||
| 41 | #include "libavutil/dict.h" | ||
| 42 | #include "libavutil/display.h" | ||
| 43 | #include "libavutil/mem.h" | ||
| 44 | #include "libavutil/opt.h" | ||
| 45 | #include "libavutil/aes.h" | ||
| 46 | #include "libavutil/aes_ctr.h" | ||
| 47 | #include "libavutil/pixdesc.h" | ||
| 48 | #include "libavutil/sha.h" | ||
| 49 | #include "libavutil/spherical.h" | ||
| 50 | #include "libavutil/stereo3d.h" | ||
| 51 | #include "libavutil/timecode.h" | ||
| 52 | #include "libavutil/uuid.h" | ||
| 53 | #include "libavcodec/ac3tab.h" | ||
| 54 | #include "libavcodec/exif.h" | ||
| 55 | #include "libavcodec/flac.h" | ||
| 56 | #include "libavcodec/hevc/hevc.h" | ||
| 57 | #include "libavcodec/mpegaudiodecheader.h" | ||
| 58 | #include "libavcodec/mlp_parse.h" | ||
| 59 | #include "avformat.h" | ||
| 60 | #include "internal.h" | ||
| 61 | #include "avio_internal.h" | ||
| 62 | #include "demux.h" | ||
| 63 | #include "dvdclut.h" | ||
| 64 | #include "iamf_parse.h" | ||
| 65 | #include "iamf_reader.h" | ||
| 66 | #include "dovi_isom.h" | ||
| 67 | #include "riff.h" | ||
| 68 | #include "isom.h" | ||
| 69 | #include "libavcodec/get_bits.h" | ||
| 70 | #include "id3v1.h" | ||
| 71 | #include "mov_chan.h" | ||
| 72 | #include "replaygain.h" | ||
| 73 | |||
| 74 | #if CONFIG_ZLIB | ||
| 75 | #include <zlib.h> | ||
| 76 | #endif | ||
| 77 | |||
| 78 | #include "qtpalette.h" | ||
| 79 | |||
| 80 | /* those functions parse an atom */ | ||
| 81 | /* links atom IDs to parse functions */ | ||
| 82 | typedef struct MOVParseTableEntry { | ||
| 83 | uint32_t type; | ||
| 84 | int (*parse)(MOVContext *ctx, AVIOContext *pb, MOVAtom atom); | ||
| 85 | } MOVParseTableEntry; | ||
| 86 | |||
| 87 | static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom); | ||
| 88 | static int mov_read_mfra(MOVContext *c, AVIOContext *f); | ||
| 89 | static void mov_free_stream_context(AVFormatContext *s, AVStream *st); | ||
| 90 | |||
| 91 | 24 | static int mov_metadata_track_or_disc_number(MOVContext *c, AVIOContext *pb, | |
| 92 | unsigned len, const char *key) | ||
| 93 | { | ||
| 94 | char buf[16]; | ||
| 95 | |||
| 96 | 24 | short current, total = 0; | |
| 97 | 24 | avio_rb16(pb); // unknown | |
| 98 | 24 | current = avio_rb16(pb); | |
| 99 |
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24 | if (len >= 6) |
| 100 | 24 | total = avio_rb16(pb); | |
| 101 |
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24 | if (!total) |
| 102 | 5 | snprintf(buf, sizeof(buf), "%d", current); | |
| 103 | else | ||
| 104 | 19 | snprintf(buf, sizeof(buf), "%d/%d", current, total); | |
| 105 | 24 | c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED; | |
| 106 | 24 | av_dict_set(&c->fc->metadata, key, buf, 0); | |
| 107 | |||
| 108 | 24 | return 0; | |
| 109 | } | ||
| 110 | |||
| 111 | ✗ | static int mov_metadata_int8_bypass_padding(MOVContext *c, AVIOContext *pb, | |
| 112 | unsigned len, const char *key) | ||
| 113 | { | ||
| 114 | /* bypass padding bytes */ | ||
| 115 | ✗ | avio_r8(pb); | |
| 116 | ✗ | avio_r8(pb); | |
| 117 | ✗ | avio_r8(pb); | |
| 118 | |||
| 119 | ✗ | c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED; | |
| 120 | ✗ | av_dict_set_int(&c->fc->metadata, key, avio_r8(pb), 0); | |
| 121 | |||
| 122 | ✗ | return 0; | |
| 123 | } | ||
| 124 | |||
| 125 | 26 | static int mov_metadata_int8_no_padding(MOVContext *c, AVIOContext *pb, | |
| 126 | unsigned len, const char *key) | ||
| 127 | { | ||
| 128 | 26 | c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED; | |
| 129 | 26 | av_dict_set_int(&c->fc->metadata, key, avio_r8(pb), 0); | |
| 130 | |||
| 131 | 26 | return 0; | |
| 132 | } | ||
| 133 | |||
| 134 | 10 | static int mov_metadata_gnre(MOVContext *c, AVIOContext *pb, | |
| 135 | unsigned len, const char *key) | ||
| 136 | { | ||
| 137 | short genre; | ||
| 138 | |||
| 139 | 10 | avio_r8(pb); // unknown | |
| 140 | |||
| 141 | 10 | genre = avio_r8(pb); | |
| 142 |
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10 | if (genre < 1 || genre > ID3v1_GENRE_MAX) |
| 143 | ✗ | return 0; | |
| 144 | 10 | c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED; | |
| 145 | 10 | av_dict_set(&c->fc->metadata, key, ff_id3v1_genre_str[genre-1], 0); | |
| 146 | |||
| 147 | 10 | return 0; | |
| 148 | } | ||
| 149 | |||
| 150 | static const uint32_t mac_to_unicode[128] = { | ||
| 151 | 0x00C4,0x00C5,0x00C7,0x00C9,0x00D1,0x00D6,0x00DC,0x00E1, | ||
| 152 | 0x00E0,0x00E2,0x00E4,0x00E3,0x00E5,0x00E7,0x00E9,0x00E8, | ||
| 153 | 0x00EA,0x00EB,0x00ED,0x00EC,0x00EE,0x00EF,0x00F1,0x00F3, | ||
| 154 | 0x00F2,0x00F4,0x00F6,0x00F5,0x00FA,0x00F9,0x00FB,0x00FC, | ||
| 155 | 0x2020,0x00B0,0x00A2,0x00A3,0x00A7,0x2022,0x00B6,0x00DF, | ||
| 156 | 0x00AE,0x00A9,0x2122,0x00B4,0x00A8,0x2260,0x00C6,0x00D8, | ||
| 157 | 0x221E,0x00B1,0x2264,0x2265,0x00A5,0x00B5,0x2202,0x2211, | ||
| 158 | 0x220F,0x03C0,0x222B,0x00AA,0x00BA,0x03A9,0x00E6,0x00F8, | ||
| 159 | 0x00BF,0x00A1,0x00AC,0x221A,0x0192,0x2248,0x2206,0x00AB, | ||
| 160 | 0x00BB,0x2026,0x00A0,0x00C0,0x00C3,0x00D5,0x0152,0x0153, | ||
| 161 | 0x2013,0x2014,0x201C,0x201D,0x2018,0x2019,0x00F7,0x25CA, | ||
| 162 | 0x00FF,0x0178,0x2044,0x20AC,0x2039,0x203A,0xFB01,0xFB02, | ||
| 163 | 0x2021,0x00B7,0x201A,0x201E,0x2030,0x00C2,0x00CA,0x00C1, | ||
| 164 | 0x00CB,0x00C8,0x00CD,0x00CE,0x00CF,0x00CC,0x00D3,0x00D4, | ||
| 165 | 0xF8FF,0x00D2,0x00DA,0x00DB,0x00D9,0x0131,0x02C6,0x02DC, | ||
| 166 | 0x00AF,0x02D8,0x02D9,0x02DA,0x00B8,0x02DD,0x02DB,0x02C7, | ||
| 167 | }; | ||
| 168 | |||
| 169 | 340 | static int mov_read_mac_string(MOVContext *c, AVIOContext *pb, int len, | |
| 170 | char *dst, int dstlen) | ||
| 171 | { | ||
| 172 | 340 | char *p = dst; | |
| 173 | 340 | char *end = dst+dstlen-1; | |
| 174 | int i; | ||
| 175 | |||
| 176 |
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3355 | for (i = 0; i < len; i++) { |
| 177 | 3015 | uint8_t t, c = avio_r8(pb); | |
| 178 | |||
| 179 |
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3015 | if (p >= end) |
| 180 | ✗ | continue; | |
| 181 | |||
| 182 |
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3015 | if (c < 0x80) |
| 183 | 3007 | *p++ = c; | |
| 184 |
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8 | else if (p < end) |
| 185 |
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16 | PUT_UTF8(mac_to_unicode[c-0x80], t, if (p < end) *p++ = t;); |
| 186 | } | ||
| 187 | 340 | *p = 0; | |
| 188 | 340 | return p - dst; | |
| 189 | } | ||
| 190 | |||
| 191 | /** | ||
| 192 | * Get the requested item. | ||
| 193 | */ | ||
| 194 | 139 | static HEIFItem *get_heif_item(MOVContext *c, unsigned id) | |
| 195 | { | ||
| 196 | 139 | HEIFItem *item = NULL; | |
| 197 | |||
| 198 |
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305 | for (int i = 0; i < c->nb_heif_item; i++) { |
| 199 |
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293 | if (!c->heif_item[i] || c->heif_item[i]->item_id != id) |
| 200 | 166 | continue; | |
| 201 | |||
| 202 | 127 | item = c->heif_item[i]; | |
| 203 | 127 | break; | |
| 204 | } | ||
| 205 | |||
| 206 | 139 | return item; | |
| 207 | } | ||
| 208 | |||
| 209 | /** | ||
| 210 | * Get the current stream in the parsing process. This can either be the | ||
| 211 | * latest stream added to the context, or the stream referenced by an item. | ||
| 212 | */ | ||
| 213 | 216 | static AVStream *get_curr_st(MOVContext *c) | |
| 214 | { | ||
| 215 | 216 | AVStream *st = NULL; | |
| 216 | HEIFItem *item; | ||
| 217 | |||
| 218 |
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216 | if (c->fc->nb_streams < 1) |
| 219 | ✗ | return NULL; | |
| 220 | |||
| 221 |
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216 | if (c->cur_item_id == -1) |
| 222 | 179 | return c->fc->streams[c->fc->nb_streams-1]; | |
| 223 | |||
| 224 | 37 | item = get_heif_item(c, c->cur_item_id); | |
| 225 |
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37 | if (item) |
| 226 | 37 | st = item->st; | |
| 227 | |||
| 228 | 37 | return st; | |
| 229 | } | ||
| 230 | |||
| 231 | 14 | static int mov_read_covr(MOVContext *c, AVIOContext *pb, int type, int len) | |
| 232 | { | ||
| 233 | AVStream *st; | ||
| 234 | MOVStreamContext *sc; | ||
| 235 | enum AVCodecID id; | ||
| 236 | int ret; | ||
| 237 | |||
| 238 |
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14 | switch (type) { |
| 239 | 7 | case 0xd: id = AV_CODEC_ID_MJPEG; break; | |
| 240 | 7 | case 0xe: id = AV_CODEC_ID_PNG; break; | |
| 241 | ✗ | case 0x1b: id = AV_CODEC_ID_BMP; break; | |
| 242 | ✗ | default: | |
| 243 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown cover type: 0x%x.\n", type); | |
| 244 | ✗ | avio_skip(pb, len); | |
| 245 | ✗ | return 0; | |
| 246 | } | ||
| 247 | |||
| 248 | 14 | sc = av_mallocz(sizeof(*sc)); | |
| 249 |
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14 | if (!sc) |
| 250 | ✗ | return AVERROR(ENOMEM); | |
| 251 | 14 | ret = ff_add_attached_pic(c->fc, NULL, pb, NULL, len); | |
| 252 |
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14 | if (ret < 0) { |
| 253 | ✗ | av_free(sc); | |
| 254 | ✗ | return ret; | |
| 255 | } | ||
| 256 | 14 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 257 | 14 | st->priv_data = sc; | |
| 258 | 14 | sc->id = st->id; | |
| 259 | 14 | sc->refcount = 1; | |
| 260 | |||
| 261 |
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14 | if (st->attached_pic.size >= 8 && id != AV_CODEC_ID_BMP) { |
| 262 |
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14 | if (AV_RB64(st->attached_pic.data) == 0x89504e470d0a1a0a) { |
| 263 | 7 | id = AV_CODEC_ID_PNG; | |
| 264 | } else { | ||
| 265 | 7 | id = AV_CODEC_ID_MJPEG; | |
| 266 | } | ||
| 267 | } | ||
| 268 | 14 | st->codecpar->codec_id = id; | |
| 269 | |||
| 270 | 14 | return 0; | |
| 271 | } | ||
| 272 | |||
| 273 | // 3GPP TS 26.244 | ||
| 274 | ✗ | static int mov_metadata_loci(MOVContext *c, AVIOContext *pb, unsigned len) | |
| 275 | { | ||
| 276 | ✗ | char language[4] = { 0 }; | |
| 277 | char buf[200], place[100]; | ||
| 278 | ✗ | uint16_t langcode = 0; | |
| 279 | double longitude, latitude, altitude; | ||
| 280 | ✗ | const char *key = "location"; | |
| 281 | |||
| 282 | ✗ | if (len < 4 + 2 + 1 + 1 + 4 + 4 + 4) { | |
| 283 | ✗ | av_log(c->fc, AV_LOG_ERROR, "loci too short\n"); | |
| 284 | ✗ | return AVERROR_INVALIDDATA; | |
| 285 | } | ||
| 286 | |||
| 287 | ✗ | avio_skip(pb, 4); // version+flags | |
| 288 | ✗ | langcode = avio_rb16(pb); | |
| 289 | ✗ | ff_mov_lang_to_iso639(langcode, language); | |
| 290 | ✗ | len -= 6; | |
| 291 | |||
| 292 | ✗ | len -= avio_get_str(pb, len, place, sizeof(place)); | |
| 293 | ✗ | if (len < 1) { | |
| 294 | ✗ | av_log(c->fc, AV_LOG_ERROR, "place name too long\n"); | |
| 295 | ✗ | return AVERROR_INVALIDDATA; | |
| 296 | } | ||
| 297 | ✗ | avio_skip(pb, 1); // role | |
| 298 | ✗ | len -= 1; | |
| 299 | |||
| 300 | ✗ | if (len < 12) { | |
| 301 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 302 | "loci too short (%u bytes left, need at least %d)\n", len, 12); | ||
| 303 | ✗ | return AVERROR_INVALIDDATA; | |
| 304 | } | ||
| 305 | ✗ | longitude = ((int32_t) avio_rb32(pb)) / (float) (1 << 16); | |
| 306 | ✗ | latitude = ((int32_t) avio_rb32(pb)) / (float) (1 << 16); | |
| 307 | ✗ | altitude = ((int32_t) avio_rb32(pb)) / (float) (1 << 16); | |
| 308 | |||
| 309 | // Try to output in the same format as the ?xyz field | ||
| 310 | ✗ | snprintf(buf, sizeof(buf), "%+08.4f%+09.4f", latitude, longitude); | |
| 311 | ✗ | if (altitude) | |
| 312 | ✗ | av_strlcatf(buf, sizeof(buf), "%+f", altitude); | |
| 313 | ✗ | av_strlcatf(buf, sizeof(buf), "/%s", place); | |
| 314 | |||
| 315 | ✗ | if (*language && strcmp(language, "und")) { | |
| 316 | char key2[16]; | ||
| 317 | ✗ | snprintf(key2, sizeof(key2), "%s-%s", key, language); | |
| 318 | ✗ | av_dict_set(&c->fc->metadata, key2, buf, 0); | |
| 319 | } | ||
| 320 | ✗ | c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED; | |
| 321 | ✗ | return av_dict_set(&c->fc->metadata, key, buf, 0); | |
| 322 | } | ||
| 323 | |||
| 324 | ✗ | static int mov_metadata_hmmt(MOVContext *c, AVIOContext *pb, unsigned len) | |
| 325 | { | ||
| 326 | int i, n_hmmt; | ||
| 327 | |||
| 328 | ✗ | if (len < 2) | |
| 329 | ✗ | return 0; | |
| 330 | ✗ | if (c->ignore_chapters) | |
| 331 | ✗ | return 0; | |
| 332 | |||
| 333 | ✗ | n_hmmt = avio_rb32(pb); | |
| 334 | ✗ | if (n_hmmt > len / 4) | |
| 335 | ✗ | return AVERROR_INVALIDDATA; | |
| 336 | ✗ | for (i = 0; i < n_hmmt && !pb->eof_reached; i++) { | |
| 337 | ✗ | int moment_time = avio_rb32(pb); | |
| 338 | ✗ | avpriv_new_chapter(c->fc, i, av_make_q(1, 1000), moment_time, AV_NOPTS_VALUE, NULL); | |
| 339 | } | ||
| 340 | ✗ | if (avio_feof(pb)) | |
| 341 | ✗ | return AVERROR_INVALIDDATA; | |
| 342 | ✗ | return 0; | |
| 343 | } | ||
| 344 | |||
| 345 | 477 | static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 346 | { | ||
| 347 | 477 | char tmp_key[AV_FOURCC_MAX_STRING_SIZE] = {0}; | |
| 348 | 477 | char key2[32], language[4] = {0}; | |
| 349 | 477 | char *str = NULL; | |
| 350 | 477 | const char *key = NULL; | |
| 351 | 477 | uint16_t langcode = 0; | |
| 352 | 477 | uint32_t data_type = 0, str_size_alloc; | |
| 353 | uint64_t str_size; | ||
| 354 | 477 | int (*parse)(MOVContext*, AVIOContext*, unsigned, const char*) = NULL; | |
| 355 | 477 | int raw = 0; | |
| 356 | 477 | int num = 0; | |
| 357 | AVDictionary **metadata; | ||
| 358 | |||
| 359 |
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477 | if (c->trak_index >= 0 && c->trak_index < c->fc->nb_streams) |
| 360 | 29 | metadata = &c->fc->streams[c->trak_index]->metadata; | |
| 361 | else | ||
| 362 | 448 | metadata = &c->fc->metadata; | |
| 363 | |||
| 364 |
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477 | switch (atom.type) { |
| 365 | 3 | case MKTAG( '@','P','R','M'): key = "premiere_version"; raw = 1; break; | |
| 366 | 3 | case MKTAG( '@','P','R','Q'): key = "quicktime_version"; raw = 1; break; | |
| 367 | 2 | case MKTAG( 'X','M','P','_'): | |
| 368 |
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2 | if (c->export_xmp) { key = "xmp"; raw = 1; } break; |
| 369 | 12 | case MKTAG( 'a','A','R','T'): key = "album_artist"; break; | |
| 370 | ✗ | case MKTAG( 'a','k','I','D'): key = "account_type"; | |
| 371 | ✗ | parse = mov_metadata_int8_no_padding; break; | |
| 372 | ✗ | case MKTAG( 'a','p','I','D'): key = "account_id"; break; | |
| 373 | ✗ | case MKTAG( 'c','a','t','g'): key = "category"; break; | |
| 374 | 13 | case MKTAG( 'c','p','i','l'): key = "compilation"; | |
| 375 | 13 | parse = mov_metadata_int8_no_padding; break; | |
| 376 | ✗ | case MKTAG( 'c','p','r','t'): key = "copyright"; break; | |
| 377 | ✗ | case MKTAG( 'd','e','s','c'): key = "description"; break; | |
| 378 | 12 | case MKTAG( 'd','i','s','k'): key = "disc"; | |
| 379 | 12 | parse = mov_metadata_track_or_disc_number; break; | |
| 380 | ✗ | case MKTAG( 'e','g','i','d'): key = "episode_uid"; | |
| 381 | ✗ | parse = mov_metadata_int8_no_padding; break; | |
| 382 | ✗ | case MKTAG( 'F','I','R','M'): key = "firmware"; raw = 1; break; | |
| 383 | 10 | case MKTAG( 'g','n','r','e'): key = "genre"; | |
| 384 | 10 | parse = mov_metadata_gnre; break; | |
| 385 | ✗ | case MKTAG( 'h','d','v','d'): key = "hd_video"; | |
| 386 | ✗ | parse = mov_metadata_int8_no_padding; break; | |
| 387 | ✗ | case MKTAG( 'H','M','M','T'): | |
| 388 | ✗ | return mov_metadata_hmmt(c, pb, atom.size); | |
| 389 | ✗ | case MKTAG( 'k','e','y','w'): key = "keywords"; break; | |
| 390 | ✗ | case MKTAG( 'l','d','e','s'): key = "synopsis"; break; | |
| 391 | ✗ | case MKTAG( 'l','o','c','i'): | |
| 392 | ✗ | return mov_metadata_loci(c, pb, atom.size); | |
| 393 | ✗ | case MKTAG( 'm','a','n','u'): key = "make"; break; | |
| 394 | ✗ | case MKTAG( 'm','o','d','l'): key = "model"; break; | |
| 395 | ✗ | case MKTAG( 'p','c','s','t'): key = "podcast"; | |
| 396 | ✗ | parse = mov_metadata_int8_no_padding; break; | |
| 397 | 13 | case MKTAG( 'p','g','a','p'): key = "gapless_playback"; | |
| 398 | 13 | parse = mov_metadata_int8_no_padding; break; | |
| 399 | ✗ | case MKTAG( 'p','u','r','d'): key = "purchase_date"; break; | |
| 400 | ✗ | case MKTAG( 'r','t','n','g'): key = "rating"; | |
| 401 | ✗ | parse = mov_metadata_int8_no_padding; break; | |
| 402 | ✗ | case MKTAG( 's','o','a','a'): key = "sort_album_artist"; break; | |
| 403 | ✗ | case MKTAG( 's','o','a','l'): key = "sort_album"; break; | |
| 404 | ✗ | case MKTAG( 's','o','a','r'): key = "sort_artist"; break; | |
| 405 | ✗ | case MKTAG( 's','o','c','o'): key = "sort_composer"; break; | |
| 406 | ✗ | case MKTAG( 's','o','n','m'): key = "sort_name"; break; | |
| 407 | ✗ | case MKTAG( 's','o','s','n'): key = "sort_show"; break; | |
| 408 | ✗ | case MKTAG( 's','t','i','k'): key = "media_type"; | |
| 409 | ✗ | parse = mov_metadata_int8_no_padding; break; | |
| 410 | 12 | case MKTAG( 't','r','k','n'): key = "track"; | |
| 411 | 12 | parse = mov_metadata_track_or_disc_number; break; | |
| 412 | ✗ | case MKTAG( 't','v','e','n'): key = "episode_id"; break; | |
| 413 | ✗ | case MKTAG( 't','v','e','s'): key = "episode_sort"; | |
| 414 | ✗ | parse = mov_metadata_int8_bypass_padding; break; | |
| 415 | ✗ | case MKTAG( 't','v','n','n'): key = "network"; break; | |
| 416 | ✗ | case MKTAG( 't','v','s','h'): key = "show"; break; | |
| 417 | ✗ | case MKTAG( 't','v','s','n'): key = "season_number"; | |
| 418 | ✗ | parse = mov_metadata_int8_bypass_padding; break; | |
| 419 | 17 | case MKTAG(0xa9,'A','R','T'): key = "artist"; break; | |
| 420 | ✗ | case MKTAG(0xa9,'P','R','D'): key = "producer"; break; | |
| 421 | 16 | case MKTAG(0xa9,'a','l','b'): key = "album"; break; | |
| 422 | 3 | case MKTAG(0xa9,'a','u','t'): key = "artist"; break; | |
| 423 | ✗ | case MKTAG(0xa9,'c','h','p'): key = "chapter"; break; | |
| 424 | 8 | case MKTAG(0xa9,'c','m','t'): key = "comment"; break; | |
| 425 | ✗ | case MKTAG(0xa9,'c','o','m'): key = "composer"; break; | |
| 426 | 4 | case MKTAG(0xa9,'c','p','y'): key = "copyright"; break; | |
| 427 | 16 | case MKTAG(0xa9,'d','a','y'): key = "date"; break; | |
| 428 | ✗ | case MKTAG(0xa9,'d','i','r'): key = "director"; break; | |
| 429 | ✗ | case MKTAG(0xa9,'d','i','s'): key = "disclaimer"; break; | |
| 430 | ✗ | case MKTAG(0xa9,'e','d','1'): key = "edit_date"; break; | |
| 431 | 2 | case MKTAG(0xa9,'e','n','c'): key = "encoder"; break; | |
| 432 | ✗ | case MKTAG(0xa9,'f','m','t'): key = "original_format"; break; | |
| 433 | 3 | case MKTAG(0xa9,'g','e','n'): key = "genre"; break; | |
| 434 | ✗ | case MKTAG(0xa9,'g','r','p'): key = "grouping"; break; | |
| 435 | ✗ | case MKTAG(0xa9,'h','s','t'): key = "host_computer"; break; | |
| 436 | ✗ | case MKTAG(0xa9,'i','n','f'): key = "comment"; break; | |
| 437 | ✗ | case MKTAG(0xa9,'l','y','r'): key = "lyrics"; break; | |
| 438 | 5 | case MKTAG(0xa9,'m','a','k'): key = "make"; break; | |
| 439 | 5 | case MKTAG(0xa9,'m','o','d'): key = "model"; break; | |
| 440 | 42 | case MKTAG(0xa9,'n','a','m'): key = "title"; break; | |
| 441 | ✗ | case MKTAG(0xa9,'o','p','e'): key = "original_artist"; break; | |
| 442 | ✗ | case MKTAG(0xa9,'p','r','d'): key = "producer"; break; | |
| 443 | ✗ | case MKTAG(0xa9,'p','r','f'): key = "performers"; break; | |
| 444 | ✗ | case MKTAG(0xa9,'r','e','q'): key = "playback_requirements"; break; | |
| 445 | ✗ | case MKTAG(0xa9,'s','r','c'): key = "original_source"; break; | |
| 446 | ✗ | case MKTAG(0xa9,'s','t','3'): key = "subtitle"; break; | |
| 447 | 61 | case MKTAG(0xa9,'s','w','r'): key = "encoder"; break; | |
| 448 | 51 | case MKTAG(0xa9,'t','o','o'): key = "encoder"; break; | |
| 449 | ✗ | case MKTAG(0xa9,'t','r','k'): key = "track"; break; | |
| 450 | ✗ | case MKTAG(0xa9,'u','r','l'): key = "URL"; break; | |
| 451 | ✗ | case MKTAG(0xa9,'w','r','n'): key = "warning"; break; | |
| 452 | 1 | case MKTAG(0xa9,'w','r','t'): key = "composer"; break; | |
| 453 | 5 | case MKTAG(0xa9,'x','y','z'): key = "location"; break; | |
| 454 | } | ||
| 455 | 2 | retry: | |
| 456 |
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767 | if (c->itunes_metadata && atom.size > 8) { |
| 457 | 302 | int data_size = avio_rb32(pb); | |
| 458 | 302 | int tag = avio_rl32(pb); | |
| 459 |
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302 | if (tag == MKTAG('d','a','t','a') && data_size <= atom.size && data_size >= 16) { |
| 460 | 302 | data_type = avio_rb32(pb); // type | |
| 461 | 302 | avio_rb32(pb); // unknown | |
| 462 | 302 | str_size = data_size - 16; | |
| 463 | 302 | atom.size -= 16; | |
| 464 | |||
| 465 |
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302 | if (!key && c->found_hdlr_mdta && c->meta_keys) { |
| 466 | 59 | uint32_t index = av_bswap32(atom.type); // BE number has been read as LE | |
| 467 |
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59 | if (index < c->meta_keys_count && index > 0) { |
| 468 | 59 | key = c->meta_keys[index]; | |
| 469 | ✗ | } else if (atom.type != MKTAG('c', 'o', 'v', 'r')) { | |
| 470 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 471 | "The index of 'data' is out of range: %"PRId32" < 1 or >= %d.\n", | ||
| 472 | index, c->meta_keys_count); | ||
| 473 | } | ||
| 474 | } | ||
| 475 |
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302 | if (atom.type == MKTAG('c', 'o', 'v', 'r') || |
| 476 |
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268 | (key && !strcmp(key, "com.apple.quicktime.artwork"))) { |
| 477 | 14 | int ret = mov_read_covr(c, pb, data_type, str_size); | |
| 478 |
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14 | if (ret < 0) { |
| 479 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Error parsing cover art.\n"); | |
| 480 | ✗ | return ret; | |
| 481 | } | ||
| 482 | 14 | atom.size -= str_size; | |
| 483 |
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14 | if (atom.size > 8) |
| 484 | 2 | goto retry; | |
| 485 | 12 | return ret; | |
| 486 | } | ||
| 487 | ✗ | } else return 0; | |
| 488 |
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177 | } else if (atom.size > 4 && (key || c->export_all) && !c->itunes_metadata && !raw) { |
| 489 | 102 | str_size = avio_rb16(pb); // string length | |
| 490 |
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102 | if (str_size > atom.size) { |
| 491 | ✗ | raw = 1; | |
| 492 | ✗ | avio_seek(pb, -2, SEEK_CUR); | |
| 493 | ✗ | av_log(c->fc, AV_LOG_WARNING, "UDTA parsing failed retrying raw\n"); | |
| 494 | ✗ | goto retry; | |
| 495 | } | ||
| 496 | 102 | langcode = avio_rb16(pb); | |
| 497 | 102 | ff_mov_lang_to_iso639(langcode, language); | |
| 498 | 102 | atom.size -= 4; | |
| 499 | } else | ||
| 500 | 75 | str_size = atom.size; | |
| 501 | |||
| 502 |
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465 | if (c->export_all && !key) { |
| 503 | ✗ | key = av_fourcc_make_string(tmp_key, atom.type); | |
| 504 | } | ||
| 505 | |||
| 506 |
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465 | if (!key) |
| 507 | 89 | return 0; | |
| 508 |
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376 | if (atom.size < 0 || str_size >= INT_MAX/2) |
| 509 | ✗ | return AVERROR_INVALIDDATA; | |
| 510 | |||
| 511 | // Allocates enough space if data_type is a int32 or float32 number, otherwise | ||
| 512 | // worst-case requirement for output string in case of utf8 coded input | ||
| 513 |
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376 | num = (data_type >= 21 && data_type <= 23); |
| 514 |
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376 | str_size_alloc = (num ? 512 : (raw ? str_size : str_size * 2)) + 1; |
| 515 | 376 | str = av_mallocz(str_size_alloc); | |
| 516 |
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376 | if (!str) |
| 517 | ✗ | return AVERROR(ENOMEM); | |
| 518 | |||
| 519 |
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376 | if (parse) |
| 520 | 60 | parse(c, pb, str_size, key); | |
| 521 | else { | ||
| 522 |
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316 | if (!raw && (data_type == 3 || (data_type == 0 && (langcode < 0x400 || langcode == 0x7fff)))) { // MAC Encoded |
| 523 | 14 | mov_read_mac_string(c, pb, str_size, str, str_size_alloc); | |
| 524 |
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302 | } else if (data_type == 21) { // BE signed integer, variable size |
| 525 | 2 | int val = 0; | |
| 526 |
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2 | if (str_size == 1) |
| 527 | ✗ | val = (int8_t)avio_r8(pb); | |
| 528 |
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2 | else if (str_size == 2) |
| 529 | ✗ | val = (int16_t)avio_rb16(pb); | |
| 530 |
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2 | else if (str_size == 3) |
| 531 | ✗ | val = ((int32_t)(avio_rb24(pb)<<8))>>8; | |
| 532 |
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2 | else if (str_size == 4) |
| 533 | 2 | val = (int32_t)avio_rb32(pb); | |
| 534 |
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2 | if (snprintf(str, str_size_alloc, "%d", val) >= str_size_alloc) { |
| 535 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 536 | "Failed to store the number (%d) in string.\n", val); | ||
| 537 | ✗ | av_free(str); | |
| 538 | ✗ | return AVERROR_INVALIDDATA; | |
| 539 | } | ||
| 540 |
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300 | } else if (data_type == 22) { // BE unsigned integer, variable size |
| 541 | ✗ | unsigned int val = 0; | |
| 542 | ✗ | if (str_size == 1) | |
| 543 | ✗ | val = avio_r8(pb); | |
| 544 | ✗ | else if (str_size == 2) | |
| 545 | ✗ | val = avio_rb16(pb); | |
| 546 | ✗ | else if (str_size == 3) | |
| 547 | ✗ | val = avio_rb24(pb); | |
| 548 | ✗ | else if (str_size == 4) | |
| 549 | ✗ | val = avio_rb32(pb); | |
| 550 | ✗ | if (snprintf(str, str_size_alloc, "%u", val) >= str_size_alloc) { | |
| 551 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 552 | "Failed to store the number (%u) in string.\n", val); | ||
| 553 | ✗ | av_free(str); | |
| 554 | ✗ | return AVERROR_INVALIDDATA; | |
| 555 | } | ||
| 556 |
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313 | } else if (data_type == 23 && str_size >= 4) { // BE float32 |
| 557 | 13 | float val = av_int2float(avio_rb32(pb)); | |
| 558 |
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13 | if (snprintf(str, str_size_alloc, "%f", val) >= str_size_alloc) { |
| 559 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 560 | "Failed to store the float32 number (%f) in string.\n", val); | ||
| 561 | ✗ | av_free(str); | |
| 562 | ✗ | return AVERROR_INVALIDDATA; | |
| 563 | } | ||
| 564 |
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287 | } else if (data_type > 1 && data_type != 4) { |
| 565 | // data_type can be 0 if not set at all above. data_type 1 means | ||
| 566 | // UTF8 and 4 means "UTF8 sort". For any other type (UTF16 or e.g. | ||
| 567 | // a picture), don't return it blindly in a string that is supposed | ||
| 568 | // to be UTF8 text. | ||
| 569 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Skipping unhandled metadata %s of type %d\n", key, data_type); | |
| 570 | ✗ | av_free(str); | |
| 571 | ✗ | return 0; | |
| 572 | } else { | ||
| 573 | 287 | int ret = ffio_read_size(pb, str, str_size); | |
| 574 |
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287 | if (ret < 0) { |
| 575 | ✗ | av_free(str); | |
| 576 | ✗ | return ret; | |
| 577 | } | ||
| 578 | 287 | str[str_size] = 0; | |
| 579 | } | ||
| 580 | 316 | c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED; | |
| 581 | 316 | av_dict_set(metadata, key, str, 0); | |
| 582 |
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316 | if (*language && strcmp(language, "und")) { |
| 583 | 37 | snprintf(key2, sizeof(key2), "%s-%s", key, language); | |
| 584 | 37 | av_dict_set(metadata, key2, str, 0); | |
| 585 | } | ||
| 586 |
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316 | if (!strcmp(key, "encoder")) { |
| 587 | int major, minor, micro; | ||
| 588 |
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114 | if (sscanf(str, "HandBrake %d.%d.%d", &major, &minor, µ) == 3) { |
| 589 | ✗ | c->handbrake_version = 1000000*major + 1000*minor + micro; | |
| 590 | } | ||
| 591 | } | ||
| 592 | } | ||
| 593 | |||
| 594 | 376 | av_freep(&str); | |
| 595 | 376 | return 0; | |
| 596 | } | ||
| 597 | |||
| 598 | 12 | static int mov_read_chpl(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 599 | { | ||
| 600 | int64_t start; | ||
| 601 | int i, nb_chapters, str_len, version; | ||
| 602 | char str[256+1]; | ||
| 603 | int ret; | ||
| 604 | |||
| 605 |
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12 | if (c->ignore_chapters) |
| 606 | ✗ | return 0; | |
| 607 | |||
| 608 |
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12 | if ((atom.size -= 5) < 0) |
| 609 | ✗ | return 0; | |
| 610 | |||
| 611 | 12 | version = avio_r8(pb); | |
| 612 | 12 | avio_rb24(pb); | |
| 613 |
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12 | if (version) |
| 614 | 12 | avio_rb32(pb); // ??? | |
| 615 | 12 | nb_chapters = avio_r8(pb); | |
| 616 | |||
| 617 |
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30 | for (i = 0; i < nb_chapters; i++) { |
| 618 |
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18 | if (atom.size < 9) |
| 619 | ✗ | return 0; | |
| 620 | |||
| 621 | 18 | start = avio_rb64(pb); | |
| 622 | 18 | str_len = avio_r8(pb); | |
| 623 | |||
| 624 |
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18 | if ((atom.size -= 9+str_len) < 0) |
| 625 | ✗ | return 0; | |
| 626 | |||
| 627 | 18 | ret = ffio_read_size(pb, str, str_len); | |
| 628 |
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18 | if (ret < 0) |
| 629 | ✗ | return ret; | |
| 630 | 18 | str[str_len] = 0; | |
| 631 | 18 | avpriv_new_chapter(c->fc, i, (AVRational){1,10000000}, start, AV_NOPTS_VALUE, str); | |
| 632 | } | ||
| 633 | 12 | return 0; | |
| 634 | } | ||
| 635 | |||
| 636 | #define MIN_DATA_ENTRY_BOX_SIZE 12 | ||
| 637 | 612 | static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 638 | { | ||
| 639 | AVStream *st; | ||
| 640 | MOVStreamContext *sc; | ||
| 641 | int entries, i, j; | ||
| 642 | |||
| 643 |
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612 | if (c->fc->nb_streams < 1) |
| 644 | ✗ | return 0; | |
| 645 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 646 | 612 | sc = st->priv_data; | |
| 647 | |||
| 648 | 612 | avio_rb32(pb); // version + flags | |
| 649 | 612 | entries = avio_rb32(pb); | |
| 650 |
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612 | if (!entries || |
| 651 |
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612 | entries > (atom.size - 1) / MIN_DATA_ENTRY_BOX_SIZE + 1 || |
| 652 |
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612 | entries >= UINT_MAX / sizeof(*sc->drefs)) |
| 653 | ✗ | return AVERROR_INVALIDDATA; | |
| 654 | |||
| 655 |
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|
612 | for (i = 0; i < sc->drefs_count; i++) { |
| 656 | ✗ | MOVDref *dref = &sc->drefs[i]; | |
| 657 | ✗ | av_freep(&dref->path); | |
| 658 | ✗ | av_freep(&dref->dir); | |
| 659 | } | ||
| 660 | 612 | av_free(sc->drefs); | |
| 661 | 612 | sc->drefs_count = 0; | |
| 662 | 612 | sc->drefs = av_mallocz(entries * sizeof(*sc->drefs)); | |
| 663 |
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|
612 | if (!sc->drefs) |
| 664 | ✗ | return AVERROR(ENOMEM); | |
| 665 | 612 | sc->drefs_count = entries; | |
| 666 | |||
| 667 |
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|
1224 | for (i = 0; i < entries; i++) { |
| 668 | 612 | MOVDref *dref = &sc->drefs[i]; | |
| 669 | 612 | uint32_t size = avio_rb32(pb); | |
| 670 | 612 | int64_t next = avio_tell(pb); | |
| 671 | |||
| 672 |
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|
612 | if (size < 12 || next < 0 || next > INT64_MAX - size) |
| 673 | ✗ | return AVERROR_INVALIDDATA; | |
| 674 | |||
| 675 | 612 | next += size - 4; | |
| 676 | |||
| 677 | 612 | dref->type = avio_rl32(pb); | |
| 678 | 612 | avio_rb32(pb); // version + flags | |
| 679 | |||
| 680 |
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|
612 | if (dref->type == MKTAG('a','l','i','s') && size > 150) { |
| 681 | /* macintosh alias record */ | ||
| 682 | uint16_t volume_len, len; | ||
| 683 | int16_t type; | ||
| 684 | int ret; | ||
| 685 | |||
| 686 | ✗ | avio_skip(pb, 10); | |
| 687 | |||
| 688 | ✗ | volume_len = avio_r8(pb); | |
| 689 | ✗ | volume_len = FFMIN(volume_len, 27); | |
| 690 | ✗ | ret = ffio_read_size(pb, dref->volume, 27); | |
| 691 | ✗ | if (ret < 0) | |
| 692 | ✗ | return ret; | |
| 693 | ✗ | dref->volume[volume_len] = 0; | |
| 694 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "volume %s, len %d\n", dref->volume, volume_len); | |
| 695 | |||
| 696 | ✗ | avio_skip(pb, 12); | |
| 697 | |||
| 698 | ✗ | len = avio_r8(pb); | |
| 699 | ✗ | len = FFMIN(len, 63); | |
| 700 | ✗ | ret = ffio_read_size(pb, dref->filename, 63); | |
| 701 | ✗ | if (ret < 0) | |
| 702 | ✗ | return ret; | |
| 703 | ✗ | dref->filename[len] = 0; | |
| 704 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "filename %s, len %d\n", dref->filename, len); | |
| 705 | |||
| 706 | ✗ | avio_skip(pb, 16); | |
| 707 | |||
| 708 | /* read next level up_from_alias/down_to_target */ | ||
| 709 | ✗ | dref->nlvl_from = avio_rb16(pb); | |
| 710 | ✗ | dref->nlvl_to = avio_rb16(pb); | |
| 711 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "nlvl from %d, nlvl to %d\n", | |
| 712 | ✗ | dref->nlvl_from, dref->nlvl_to); | |
| 713 | |||
| 714 | ✗ | avio_skip(pb, 16); | |
| 715 | |||
| 716 | ✗ | for (type = 0; type != -1 && avio_tell(pb) < next; ) { | |
| 717 | ✗ | if (avio_feof(pb)) | |
| 718 | ✗ | return AVERROR_EOF; | |
| 719 | ✗ | type = avio_rb16(pb); | |
| 720 | ✗ | len = avio_rb16(pb); | |
| 721 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "type %d, len %d\n", type, len); | |
| 722 | ✗ | if (len&1) | |
| 723 | ✗ | len += 1; | |
| 724 | ✗ | if (type == 2) { // absolute path | |
| 725 | ✗ | av_free(dref->path); | |
| 726 | ✗ | dref->path = av_mallocz(len+1); | |
| 727 | ✗ | if (!dref->path) | |
| 728 | ✗ | return AVERROR(ENOMEM); | |
| 729 | |||
| 730 | ✗ | ret = ffio_read_size(pb, dref->path, len); | |
| 731 | ✗ | if (ret < 0) { | |
| 732 | ✗ | av_freep(&dref->path); | |
| 733 | ✗ | return ret; | |
| 734 | } | ||
| 735 | ✗ | if (len > volume_len && !strncmp(dref->path, dref->volume, volume_len)) { | |
| 736 | ✗ | len -= volume_len; | |
| 737 | ✗ | memmove(dref->path, dref->path+volume_len, len); | |
| 738 | ✗ | dref->path[len] = 0; | |
| 739 | } | ||
| 740 | // trim string of any ending zeros | ||
| 741 | ✗ | for (j = len - 1; j >= 0; j--) { | |
| 742 | ✗ | if (dref->path[j] == 0) | |
| 743 | ✗ | len--; | |
| 744 | else | ||
| 745 | ✗ | break; | |
| 746 | } | ||
| 747 | ✗ | for (j = 0; j < len; j++) | |
| 748 | ✗ | if (dref->path[j] == ':' || dref->path[j] == 0) | |
| 749 | ✗ | dref->path[j] = '/'; | |
| 750 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "path %s\n", dref->path); | |
| 751 | ✗ | } else if (type == 0) { // directory name | |
| 752 | ✗ | av_free(dref->dir); | |
| 753 | ✗ | dref->dir = av_malloc(len+1); | |
| 754 | ✗ | if (!dref->dir) | |
| 755 | ✗ | return AVERROR(ENOMEM); | |
| 756 | |||
| 757 | ✗ | ret = ffio_read_size(pb, dref->dir, len); | |
| 758 | ✗ | if (ret < 0) { | |
| 759 | ✗ | av_freep(&dref->dir); | |
| 760 | ✗ | return ret; | |
| 761 | } | ||
| 762 | ✗ | dref->dir[len] = 0; | |
| 763 | ✗ | for (j = 0; j < len; j++) | |
| 764 | ✗ | if (dref->dir[j] == ':') | |
| 765 | ✗ | dref->dir[j] = '/'; | |
| 766 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "dir %s\n", dref->dir); | |
| 767 | } else | ||
| 768 | ✗ | avio_skip(pb, len); | |
| 769 | } | ||
| 770 | } else { | ||
| 771 | 612 | av_log(c->fc, AV_LOG_DEBUG, "Unknown dref type 0x%08"PRIx32" size %"PRIu32"\n", | |
| 772 | dref->type, size); | ||
| 773 | 612 | entries--; | |
| 774 | 612 | i--; | |
| 775 | } | ||
| 776 | 612 | avio_seek(pb, next, SEEK_SET); | |
| 777 | } | ||
| 778 | 612 | return 0; | |
| 779 | } | ||
| 780 | |||
| 781 | 1120 | static int mov_read_hdlr(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 782 | { | ||
| 783 | AVStream *st; | ||
| 784 | uint32_t type; | ||
| 785 | uint32_t ctype; | ||
| 786 | int64_t title_size; | ||
| 787 | char *title_str; | ||
| 788 | int ret; | ||
| 789 | |||
| 790 | 1120 | avio_r8(pb); /* version */ | |
| 791 | 1120 | avio_rb24(pb); /* flags */ | |
| 792 | |||
| 793 | /* component type */ | ||
| 794 | 1120 | ctype = avio_rl32(pb); | |
| 795 | 1120 | type = avio_rl32(pb); /* component subtype */ | |
| 796 | |||
| 797 | 1120 | av_log(c->fc, AV_LOG_TRACE, "ctype=%s\n", av_fourcc2str(ctype)); | |
| 798 | 1120 | av_log(c->fc, AV_LOG_TRACE, "stype=%s\n", av_fourcc2str(type)); | |
| 799 | |||
| 800 |
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1120 | if (c->trak_index < 0) { // meta not inside a trak |
| 801 |
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|
146 | if (type == MKTAG('m','d','t','a')) { |
| 802 | 11 | c->found_hdlr_mdta = 1; | |
| 803 | } | ||
| 804 | 146 | return 0; | |
| 805 | } | ||
| 806 | |||
| 807 | 974 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 808 | |||
| 809 |
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|
974 | if (type == MKTAG('v','i','d','e')) |
| 810 | 314 | st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; | |
| 811 |
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|
660 | else if (type == MKTAG('s','o','u','n')) |
| 812 | 243 | st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; | |
| 813 |
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|
417 | else if (type == MKTAG('m','1','a',' ')) |
| 814 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_MP2; | |
| 815 |
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417 | else if ((type == MKTAG('s','u','b','p')) || (type == MKTAG('c','l','c','p'))) |
| 816 | ✗ | st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE; | |
| 817 | |||
| 818 | 974 | avio_rb32(pb); /* component manufacture */ | |
| 819 | 974 | avio_rb32(pb); /* component flags */ | |
| 820 | 974 | avio_rb32(pb); /* component flags mask */ | |
| 821 | |||
| 822 | 974 | title_size = atom.size - 24; | |
| 823 |
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|
974 | if (title_size > 0) { |
| 824 |
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971 | if (title_size > FFMIN(INT_MAX, SIZE_MAX-1)) |
| 825 | ✗ | return AVERROR_INVALIDDATA; | |
| 826 | 971 | title_str = av_malloc(title_size + 1); /* Add null terminator */ | |
| 827 |
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|
971 | if (!title_str) |
| 828 | ✗ | return AVERROR(ENOMEM); | |
| 829 | |||
| 830 | 971 | ret = ffio_read_size(pb, title_str, title_size); | |
| 831 |
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|
971 | if (ret < 0) { |
| 832 | ✗ | av_freep(&title_str); | |
| 833 | ✗ | return ret; | |
| 834 | } | ||
| 835 | 971 | title_str[title_size] = 0; | |
| 836 |
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|
971 | if (title_str[0]) { |
| 837 |
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|
920 | int off = (!c->isom && title_str[0] == title_size - 1); |
| 838 | // flag added so as to not set stream handler name if already set from mdia->hdlr | ||
| 839 | 920 | av_dict_set(&st->metadata, "handler_name", title_str + off, AV_DICT_DONT_OVERWRITE); | |
| 840 | } | ||
| 841 | 971 | av_freep(&title_str); | |
| 842 | } | ||
| 843 | |||
| 844 | 974 | return 0; | |
| 845 | } | ||
| 846 | |||
| 847 | 156 | static int mov_read_esds(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 848 | { | ||
| 849 | 156 | return ff_mov_read_esds(c->fc, pb); | |
| 850 | } | ||
| 851 | |||
| 852 | 7 | static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 853 | { | ||
| 854 | AVStream *st; | ||
| 855 | AVPacketSideData *sd; | ||
| 856 | enum AVAudioServiceType *ast; | ||
| 857 | int ac3info, acmod, lfeon, bsmod; | ||
| 858 | uint64_t mask; | ||
| 859 | |||
| 860 |
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|
7 | if (c->fc->nb_streams < 1) |
| 861 | ✗ | return 0; | |
| 862 | 7 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 863 | |||
| 864 | 7 | sd = av_packet_side_data_new(&st->codecpar->coded_side_data, | |
| 865 | 7 | &st->codecpar->nb_coded_side_data, | |
| 866 | AV_PKT_DATA_AUDIO_SERVICE_TYPE, | ||
| 867 | sizeof(*ast), 0); | ||
| 868 |
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|
7 | if (!sd) |
| 869 | ✗ | return AVERROR(ENOMEM); | |
| 870 | |||
| 871 | 7 | ast = (enum AVAudioServiceType*)sd->data; | |
| 872 | 7 | ac3info = avio_rb24(pb); | |
| 873 | 7 | bsmod = (ac3info >> 14) & 0x7; | |
| 874 | 7 | acmod = (ac3info >> 11) & 0x7; | |
| 875 | 7 | lfeon = (ac3info >> 10) & 0x1; | |
| 876 | |||
| 877 | 7 | mask = ff_ac3_channel_layout_tab[acmod]; | |
| 878 |
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|
7 | if (lfeon) |
| 879 | 1 | mask |= AV_CH_LOW_FREQUENCY; | |
| 880 | 7 | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 881 | 7 | av_channel_layout_from_mask(&st->codecpar->ch_layout, mask); | |
| 882 | |||
| 883 | 7 | *ast = bsmod; | |
| 884 |
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7 | if (st->codecpar->ch_layout.nb_channels > 1 && bsmod == 0x7) |
| 885 | ✗ | *ast = AV_AUDIO_SERVICE_TYPE_KARAOKE; | |
| 886 | |||
| 887 | 7 | return 0; | |
| 888 | } | ||
| 889 | |||
| 890 | #if CONFIG_IAMFDEC | ||
| 891 | 10 | static int mov_read_iacb(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 892 | { | ||
| 893 | AVStream *st; | ||
| 894 | MOVStreamContext *sc; | ||
| 895 | FFIOContext b; | ||
| 896 | AVIOContext *descriptor_pb; | ||
| 897 | AVDictionary *metadata; | ||
| 898 | IAMFContext *iamf; | ||
| 899 | int64_t start_time, duration; | ||
| 900 | unsigned descriptors_size; | ||
| 901 | int nb_frames, disposition; | ||
| 902 | int version, ret; | ||
| 903 | |||
| 904 |
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10 | if (atom.size < 5) |
| 905 | ✗ | return AVERROR_INVALIDDATA; | |
| 906 | |||
| 907 |
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|
10 | if (c->fc->nb_streams < 1) |
| 908 | ✗ | return 0; | |
| 909 | |||
| 910 | 10 | version = avio_r8(pb); | |
| 911 |
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|
10 | if (version != 1) { |
| 912 | ✗ | av_log(c->fc, AV_LOG_ERROR, "%s configurationVersion %d", | |
| 913 | version < 1 ? "invalid" : "unsupported", version); | ||
| 914 | ✗ | return AVERROR_INVALIDDATA; | |
| 915 | } | ||
| 916 | |||
| 917 | 10 | descriptors_size = ffio_read_leb(pb); | |
| 918 |
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10 | if (!descriptors_size || descriptors_size > INT_MAX) |
| 919 | ✗ | return AVERROR_INVALIDDATA; | |
| 920 | |||
| 921 | 10 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 922 | 10 | sc = st->priv_data; | |
| 923 | |||
| 924 |
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|
10 | if (st->codecpar->extradata) { |
| 925 | ✗ | av_log(c->fc, AV_LOG_WARNING, "ignoring iacb\n"); | |
| 926 | ✗ | return 0; | |
| 927 | } | ||
| 928 | |||
| 929 | 10 | sc->iamf = av_mallocz(sizeof(*sc->iamf)); | |
| 930 |
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|
10 | if (!sc->iamf) |
| 931 | ✗ | return AVERROR(ENOMEM); | |
| 932 | 10 | iamf = &sc->iamf->iamf; | |
| 933 | |||
| 934 | 10 | st->codecpar->extradata = av_malloc(descriptors_size); | |
| 935 |
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|
10 | if (!st->codecpar->extradata) |
| 936 | ✗ | return AVERROR(ENOMEM); | |
| 937 | 10 | st->codecpar->extradata_size = descriptors_size; | |
| 938 | |||
| 939 | 10 | ret = avio_read(pb, st->codecpar->extradata, descriptors_size); | |
| 940 |
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|
10 | if (ret != descriptors_size) |
| 941 | ✗ | return ret < 0 ? ret : AVERROR_INVALIDDATA; | |
| 942 | |||
| 943 | 10 | ffio_init_read_context(&b, st->codecpar->extradata, descriptors_size); | |
| 944 | 10 | descriptor_pb = &b.pub; | |
| 945 | |||
| 946 | 10 | ret = ff_iamfdec_read_descriptors(iamf, descriptor_pb, descriptors_size, c->fc); | |
| 947 |
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|
10 | if (ret < 0) |
| 948 | ✗ | return ret; | |
| 949 | |||
| 950 | 10 | metadata = st->metadata; | |
| 951 | 10 | st->metadata = NULL; | |
| 952 | 10 | start_time = st->start_time; | |
| 953 | 10 | nb_frames = st->nb_frames; | |
| 954 | 10 | duration = st->duration; | |
| 955 | 10 | disposition = st->disposition; | |
| 956 | |||
| 957 |
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|
20 | for (int i = 0; i < iamf->nb_audio_elements; i++) { |
| 958 | 10 | IAMFAudioElement *audio_element = iamf->audio_elements[i]; | |
| 959 | const AVIAMFAudioElement *element; | ||
| 960 | AVStreamGroup *stg = | ||
| 961 | 10 | avformat_stream_group_create(c->fc, AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT, NULL); | |
| 962 | |||
| 963 |
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|
10 | if (!stg) { |
| 964 | ✗ | ret = AVERROR(ENOMEM); | |
| 965 | ✗ | goto fail; | |
| 966 | } | ||
| 967 | |||
| 968 | 10 | av_iamf_audio_element_free(&stg->params.iamf_audio_element); | |
| 969 | 10 | stg->id = audio_element->audio_element_id; | |
| 970 | /* Transfer ownership */ | ||
| 971 | 10 | element = stg->params.iamf_audio_element = audio_element->element; | |
| 972 | 10 | audio_element->element = NULL; | |
| 973 | |||
| 974 |
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|
60 | for (int j = 0; j < audio_element->nb_substreams; j++) { |
| 975 | 50 | IAMFSubStream *substream = &audio_element->substreams[j]; | |
| 976 | AVStream *stream; | ||
| 977 | |||
| 978 |
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50 | if (!i && !j) { |
| 979 |
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|
10 | if (audio_element->layers[0].substream_count != 1) |
| 980 | 2 | disposition &= ~AV_DISPOSITION_DEFAULT; | |
| 981 | 10 | stream = st; | |
| 982 | } else | ||
| 983 | 40 | stream = avformat_new_stream(c->fc, NULL); | |
| 984 |
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|
50 | if (!stream) { |
| 985 | ✗ | ret = AVERROR(ENOMEM); | |
| 986 | ✗ | goto fail; | |
| 987 | } | ||
| 988 | |||
| 989 | 50 | stream->start_time = start_time; | |
| 990 | 50 | stream->nb_frames = nb_frames; | |
| 991 | 50 | stream->duration = duration; | |
| 992 | 50 | stream->disposition = disposition; | |
| 993 |
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50 | if (stream != st) { |
| 994 | 40 | stream->priv_data = sc; | |
| 995 | 40 | sc->refcount++; | |
| 996 | } | ||
| 997 | |||
| 998 |
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|
50 | if (element->audio_element_type == AV_IAMF_AUDIO_ELEMENT_TYPE_SCENE) |
| 999 | 8 | stream->disposition |= AV_DISPOSITION_DEPENDENT; | |
| 1000 |
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50 | if (i || j) { |
| 1001 | 40 | stream->disposition |= AV_DISPOSITION_DEPENDENT; | |
| 1002 |
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|
40 | if (audio_element->layers[0].substream_count == 1) |
| 1003 | 34 | stream->disposition &= ~AV_DISPOSITION_DEFAULT; | |
| 1004 | } | ||
| 1005 | |||
| 1006 | 50 | ret = avcodec_parameters_copy(stream->codecpar, substream->codecpar); | |
| 1007 |
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|
50 | if (ret < 0) |
| 1008 | ✗ | goto fail; | |
| 1009 | |||
| 1010 | 50 | stream->id = substream->audio_substream_id; | |
| 1011 | |||
| 1012 | 50 | avpriv_set_pts_info(st, 64, 1, sc->time_scale); | |
| 1013 | |||
| 1014 | 50 | ret = avformat_stream_group_add_stream(stg, stream); | |
| 1015 |
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|
50 | if (ret < 0) |
| 1016 | ✗ | goto fail; | |
| 1017 | } | ||
| 1018 | |||
| 1019 | 10 | ret = av_dict_copy(&stg->metadata, metadata, 0); | |
| 1020 |
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|
10 | if (ret < 0) |
| 1021 | ✗ | goto fail; | |
| 1022 | } | ||
| 1023 | |||
| 1024 |
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|
20 | for (int i = 0; i < iamf->nb_mix_presentations; i++) { |
| 1025 | 10 | IAMFMixPresentation *mix_presentation = iamf->mix_presentations[i]; | |
| 1026 | 10 | const AVIAMFMixPresentation *mix = mix_presentation->cmix; | |
| 1027 | AVStreamGroup *stg = | ||
| 1028 | 10 | avformat_stream_group_create(c->fc, AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION, NULL); | |
| 1029 | |||
| 1030 |
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|
10 | if (!stg) { |
| 1031 | ✗ | ret = AVERROR(ENOMEM); | |
| 1032 | ✗ | goto fail; | |
| 1033 | } | ||
| 1034 | |||
| 1035 | 10 | av_iamf_mix_presentation_free(&stg->params.iamf_mix_presentation); | |
| 1036 | 10 | stg->id = mix_presentation->mix_presentation_id; | |
| 1037 | /* Transfer ownership */ | ||
| 1038 | 10 | stg->params.iamf_mix_presentation = mix_presentation->mix; | |
| 1039 | 10 | mix_presentation->mix = NULL; | |
| 1040 | |||
| 1041 |
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|
22 | for (int j = 0; j < mix->nb_submixes; j++) { |
| 1042 | 12 | const AVIAMFSubmix *submix = mix->submixes[j]; | |
| 1043 | |||
| 1044 |
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|
24 | for (int k = 0; k < submix->nb_elements; k++) { |
| 1045 | 12 | const AVIAMFSubmixElement *submix_element = submix->elements[k]; | |
| 1046 | 12 | const AVStreamGroup *audio_element = NULL; | |
| 1047 | |||
| 1048 |
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|
12 | for (int l = 0; l < c->fc->nb_stream_groups; l++) |
| 1049 |
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|
12 | if (c->fc->stream_groups[l]->type == AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT && |
| 1050 |
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|
12 | c->fc->stream_groups[l]->id == submix_element->audio_element_id) { |
| 1051 | 12 | audio_element = c->fc->stream_groups[l]; | |
| 1052 | 12 | break; | |
| 1053 | } | ||
| 1054 |
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|
12 | av_assert0(audio_element); |
| 1055 | |||
| 1056 |
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|
64 | for (int l = 0; l < audio_element->nb_streams; l++) { |
| 1057 | 52 | ret = avformat_stream_group_add_stream(stg, audio_element->streams[l]); | |
| 1058 |
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|
52 | if (ret < 0 && ret != AVERROR(EEXIST)) |
| 1059 | ✗ | goto fail; | |
| 1060 | } | ||
| 1061 | } | ||
| 1062 | } | ||
| 1063 | |||
| 1064 | 10 | ret = av_dict_copy(&stg->metadata, metadata, 0); | |
| 1065 |
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|
10 | if (ret < 0) |
| 1066 | ✗ | goto fail; | |
| 1067 | } | ||
| 1068 | |||
| 1069 | 10 | ret = 0; | |
| 1070 | 10 | fail: | |
| 1071 | 10 | av_dict_free(&metadata); | |
| 1072 | |||
| 1073 | 10 | return ret; | |
| 1074 | } | ||
| 1075 | #endif | ||
| 1076 | |||
| 1077 | 1 | static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1078 | { | ||
| 1079 | AVStream *st; | ||
| 1080 | AVPacketSideData *sd; | ||
| 1081 | enum AVAudioServiceType *ast; | ||
| 1082 | int eac3info, acmod, lfeon, bsmod; | ||
| 1083 | uint64_t mask; | ||
| 1084 | |||
| 1085 |
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|
1 | if (c->fc->nb_streams < 1) |
| 1086 | ✗ | return 0; | |
| 1087 | 1 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1088 | |||
| 1089 | 1 | sd = av_packet_side_data_new(&st->codecpar->coded_side_data, | |
| 1090 | 1 | &st->codecpar->nb_coded_side_data, | |
| 1091 | AV_PKT_DATA_AUDIO_SERVICE_TYPE, | ||
| 1092 | sizeof(*ast), 0); | ||
| 1093 |
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|
1 | if (!sd) |
| 1094 | ✗ | return AVERROR(ENOMEM); | |
| 1095 | |||
| 1096 | 1 | ast = (enum AVAudioServiceType*)sd->data; | |
| 1097 | |||
| 1098 | /* No need to parse fields for additional independent substreams and its | ||
| 1099 | * associated dependent substreams since libavcodec's E-AC-3 decoder | ||
| 1100 | * does not support them yet. */ | ||
| 1101 | 1 | avio_rb16(pb); /* data_rate and num_ind_sub */ | |
| 1102 | 1 | eac3info = avio_rb24(pb); | |
| 1103 | 1 | bsmod = (eac3info >> 12) & 0x1f; | |
| 1104 | 1 | acmod = (eac3info >> 9) & 0x7; | |
| 1105 | 1 | lfeon = (eac3info >> 8) & 0x1; | |
| 1106 | |||
| 1107 | 1 | mask = ff_ac3_channel_layout_tab[acmod]; | |
| 1108 |
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|
1 | if (lfeon) |
| 1109 | ✗ | mask |= AV_CH_LOW_FREQUENCY; | |
| 1110 | 1 | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 1111 | 1 | av_channel_layout_from_mask(&st->codecpar->ch_layout, mask); | |
| 1112 | |||
| 1113 | 1 | *ast = bsmod; | |
| 1114 |
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|
1 | if (st->codecpar->ch_layout.nb_channels > 1 && bsmod == 0x7) |
| 1115 | ✗ | *ast = AV_AUDIO_SERVICE_TYPE_KARAOKE; | |
| 1116 | |||
| 1117 | 1 | return 0; | |
| 1118 | } | ||
| 1119 | |||
| 1120 | ✗ | static int mov_read_ddts(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1121 | { | ||
| 1122 | #define DDTS_SIZE 20 | ||
| 1123 | uint8_t buf[DDTS_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; | ||
| 1124 | ✗ | AVStream *st = NULL; | |
| 1125 | ✗ | uint32_t frame_duration_code = 0; | |
| 1126 | ✗ | uint32_t channel_layout_code = 0; | |
| 1127 | GetBitContext gb; | ||
| 1128 | int ret; | ||
| 1129 | |||
| 1130 | ✗ | if ((ret = ffio_read_size(pb, buf, DDTS_SIZE)) < 0) | |
| 1131 | ✗ | return ret; | |
| 1132 | |||
| 1133 | ✗ | init_get_bits(&gb, buf, 8 * DDTS_SIZE); | |
| 1134 | |||
| 1135 | ✗ | if (c->fc->nb_streams < 1) { | |
| 1136 | ✗ | return 0; | |
| 1137 | } | ||
| 1138 | ✗ | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1139 | |||
| 1140 | ✗ | st->codecpar->sample_rate = get_bits_long(&gb, 32); | |
| 1141 | ✗ | if (st->codecpar->sample_rate <= 0) { | |
| 1142 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid sample rate %d\n", st->codecpar->sample_rate); | |
| 1143 | ✗ | return AVERROR_INVALIDDATA; | |
| 1144 | } | ||
| 1145 | ✗ | skip_bits_long(&gb, 32); /* max bitrate */ | |
| 1146 | ✗ | st->codecpar->bit_rate = get_bits_long(&gb, 32); | |
| 1147 | ✗ | st->codecpar->bits_per_coded_sample = get_bits(&gb, 8); | |
| 1148 | ✗ | frame_duration_code = get_bits(&gb, 2); | |
| 1149 | ✗ | skip_bits(&gb, 30); /* various fields */ | |
| 1150 | ✗ | channel_layout_code = get_bits(&gb, 16); | |
| 1151 | |||
| 1152 | ✗ | st->codecpar->frame_size = | |
| 1153 | ✗ | (frame_duration_code == 0) ? 512 : | |
| 1154 | ✗ | (frame_duration_code == 1) ? 1024 : | |
| 1155 | ✗ | (frame_duration_code == 2) ? 2048 : | |
| 1156 | ✗ | (frame_duration_code == 3) ? 4096 : 0; | |
| 1157 | |||
| 1158 | ✗ | if (channel_layout_code > 0xff) { | |
| 1159 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unsupported DTS audio channel layout\n"); | |
| 1160 | } | ||
| 1161 | ✗ | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 1162 | ✗ | av_channel_layout_from_mask(&st->codecpar->ch_layout, | |
| 1163 | ✗ | ((channel_layout_code & 0x1) ? AV_CH_FRONT_CENTER : 0) | | |
| 1164 | ✗ | ((channel_layout_code & 0x2) ? AV_CH_FRONT_LEFT : 0) | | |
| 1165 | ✗ | ((channel_layout_code & 0x2) ? AV_CH_FRONT_RIGHT : 0) | | |
| 1166 | ✗ | ((channel_layout_code & 0x4) ? AV_CH_SIDE_LEFT : 0) | | |
| 1167 | ✗ | ((channel_layout_code & 0x4) ? AV_CH_SIDE_RIGHT : 0) | | |
| 1168 | ✗ | ((channel_layout_code & 0x8) ? AV_CH_LOW_FREQUENCY : 0)); | |
| 1169 | |||
| 1170 | ✗ | return 0; | |
| 1171 | } | ||
| 1172 | |||
| 1173 | 51 | static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1174 | { | ||
| 1175 | AVStream *st; | ||
| 1176 | |||
| 1177 |
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|
51 | if (c->fc->nb_streams < 1) |
| 1178 | ✗ | return 0; | |
| 1179 | 51 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1180 | |||
| 1181 |
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|
51 | if (atom.size < 16) |
| 1182 | ✗ | return 0; | |
| 1183 | |||
| 1184 | /* skip version and flags */ | ||
| 1185 | 51 | avio_skip(pb, 4); | |
| 1186 | |||
| 1187 | 51 | ff_mov_read_chan(c->fc, pb, st, atom.size - 4); | |
| 1188 | |||
| 1189 | 51 | return 0; | |
| 1190 | } | ||
| 1191 | |||
| 1192 | 5 | static int mov_read_chnl(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1193 | { | ||
| 1194 | 5 | int64_t end = av_sat_add64(avio_tell(pb), atom.size); | |
| 1195 | int version, flags; | ||
| 1196 | int ret; | ||
| 1197 | AVStream *st; | ||
| 1198 | |||
| 1199 |
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|
5 | if (c->fc->nb_streams < 1) |
| 1200 | ✗ | return 0; | |
| 1201 | 5 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1202 | |||
| 1203 | 5 | version = avio_r8(pb); | |
| 1204 | 5 | flags = avio_rb24(pb); | |
| 1205 |
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|
5 | if (version != 0 || flags != 0) { |
| 1206 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 1207 | "Unsupported 'chnl' box with version %d, flags: %#x", | ||
| 1208 | version, flags); | ||
| 1209 | ✗ | return AVERROR_INVALIDDATA; | |
| 1210 | } | ||
| 1211 | |||
| 1212 | 5 | ret = ff_mov_read_chnl(c->fc, pb, st); | |
| 1213 |
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|
5 | if (ret < 0) |
| 1214 | ✗ | return ret; | |
| 1215 | |||
| 1216 |
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|
5 | if (avio_tell(pb) != end) { |
| 1217 | ✗ | av_log(c->fc, AV_LOG_WARNING, "skip %" PRId64 " bytes of unknown data inside chnl\n", | |
| 1218 | ✗ | end - avio_tell(pb)); | |
| 1219 | ✗ | avio_seek(pb, end, SEEK_SET); | |
| 1220 | } | ||
| 1221 | 5 | return ret; | |
| 1222 | } | ||
| 1223 | |||
| 1224 | 2 | static int mov_read_wfex(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1225 | { | ||
| 1226 | AVStream *st; | ||
| 1227 | int ret; | ||
| 1228 | |||
| 1229 |
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|
2 | if (c->fc->nb_streams < 1) |
| 1230 | ✗ | return 0; | |
| 1231 | 2 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1232 | |||
| 1233 |
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|
2 | if ((ret = ff_get_wav_header(c->fc, pb, st->codecpar, atom.size, 0)) < 0) |
| 1234 | ✗ | av_log(c->fc, AV_LOG_WARNING, "get_wav_header failed\n"); | |
| 1235 | |||
| 1236 | 2 | return ret; | |
| 1237 | } | ||
| 1238 | |||
| 1239 | 18 | static int mov_read_clap(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1240 | { | ||
| 1241 | AVStream *st; | ||
| 1242 | HEIFItem *item; | ||
| 1243 | AVPacketSideData *sd; | ||
| 1244 | 18 | int width, height, err = 0; | |
| 1245 | AVRational aperture_width, aperture_height, horiz_off, vert_off; | ||
| 1246 | AVRational pc_x, pc_y; | ||
| 1247 | uint64_t top, bottom, left, right; | ||
| 1248 | |||
| 1249 | 18 | item = get_heif_item(c, c->cur_item_id); | |
| 1250 | 18 | st = get_curr_st(c); | |
| 1251 |
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|
18 | if (!st) |
| 1252 | ✗ | return 0; | |
| 1253 | |||
| 1254 | 18 | width = st->codecpar->width; | |
| 1255 | 18 | height = st->codecpar->height; | |
| 1256 |
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|
18 | if ((!width || !height) && item) { |
| 1257 | 6 | width = item->width; | |
| 1258 | 6 | height = item->height; | |
| 1259 | } | ||
| 1260 |
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|
18 | if (!width || !height) { |
| 1261 | ✗ | err = AVERROR_INVALIDDATA; | |
| 1262 | ✗ | goto fail; | |
| 1263 | } | ||
| 1264 | |||
| 1265 | 18 | aperture_width.num = avio_rb32(pb); | |
| 1266 | 18 | aperture_width.den = avio_rb32(pb); | |
| 1267 | 18 | aperture_height.num = avio_rb32(pb); | |
| 1268 | 18 | aperture_height.den = avio_rb32(pb); | |
| 1269 | |||
| 1270 | 18 | horiz_off.num = avio_rb32(pb); | |
| 1271 | 18 | horiz_off.den = avio_rb32(pb); | |
| 1272 | 18 | vert_off.num = avio_rb32(pb); | |
| 1273 | 18 | vert_off.den = avio_rb32(pb); | |
| 1274 | |||
| 1275 |
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|
18 | if (aperture_width.num < 0 || aperture_width.den < 0 || |
| 1276 |
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|
18 | aperture_height.num < 0 || aperture_height.den < 0 || |
| 1277 |
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|
18 | horiz_off.den < 0 || vert_off.den < 0) { |
| 1278 | ✗ | err = AVERROR_INVALIDDATA; | |
| 1279 | ✗ | goto fail; | |
| 1280 | } | ||
| 1281 |
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|
33 | if ((av_cmp_q((AVRational) { width, 1 }, aperture_width) < 0) || |
| 1282 | 15 | (av_cmp_q((AVRational) { height, 1 }, aperture_height) < 0)) { | |
| 1283 | 3 | err = AVERROR_INVALIDDATA; | |
| 1284 | 3 | goto fail; | |
| 1285 | } | ||
| 1286 | 15 | av_log(c->fc, AV_LOG_TRACE, "clap: apertureWidth %d/%d, apertureHeight %d/%d " | |
| 1287 | "horizOff %d/%d vertOff %d/%d\n", | ||
| 1288 | aperture_width.num, aperture_width.den, aperture_height.num, aperture_height.den, | ||
| 1289 | horiz_off.num, horiz_off.den, vert_off.num, vert_off.den); | ||
| 1290 | |||
| 1291 | 15 | pc_x = av_mul_q((AVRational) { width - 1, 1 }, (AVRational) { 1, 2 }); | |
| 1292 | 15 | pc_x = av_add_q(pc_x, horiz_off); | |
| 1293 | 15 | pc_y = av_mul_q((AVRational) { height - 1, 1 }, (AVRational) { 1, 2 }); | |
| 1294 | 15 | pc_y = av_add_q(pc_y, vert_off); | |
| 1295 | |||
| 1296 | 15 | aperture_width = av_sub_q(aperture_width, (AVRational) { 1, 1 }); | |
| 1297 | 15 | aperture_width = av_mul_q(aperture_width, (AVRational) { 1, 2 }); | |
| 1298 | 15 | aperture_height = av_sub_q(aperture_height, (AVRational) { 1, 1 }); | |
| 1299 | 15 | aperture_height = av_mul_q(aperture_height, (AVRational) { 1, 2 }); | |
| 1300 | |||
| 1301 | 15 | left = av_q2d(av_sub_q(pc_x, aperture_width)); | |
| 1302 | 15 | right = av_q2d(av_add_q(pc_x, aperture_width)); | |
| 1303 | 15 | top = av_q2d(av_sub_q(pc_y, aperture_height)); | |
| 1304 | 15 | bottom = av_q2d(av_add_q(pc_y, aperture_height)); | |
| 1305 | |||
| 1306 |
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|
15 | if (bottom > (height - 1) || |
| 1307 |
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|
15 | right > (width - 1)) { |
| 1308 | ✗ | err = AVERROR_INVALIDDATA; | |
| 1309 | ✗ | goto fail; | |
| 1310 | } | ||
| 1311 | |||
| 1312 | 15 | bottom = height - 1 - bottom; | |
| 1313 | 15 | right = width - 1 - right; | |
| 1314 | |||
| 1315 |
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|
15 | if (!(left | right | top | bottom)) |
| 1316 | 6 | return 0; | |
| 1317 | |||
| 1318 |
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|
9 | if ((left + right) >= width || |
| 1319 |
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|
9 | (top + bottom) >= height) { |
| 1320 | ✗ | err = AVERROR_INVALIDDATA; | |
| 1321 | ✗ | goto fail; | |
| 1322 | } | ||
| 1323 | |||
| 1324 | 9 | sd = av_packet_side_data_new(&st->codecpar->coded_side_data, | |
| 1325 | 9 | &st->codecpar->nb_coded_side_data, | |
| 1326 | AV_PKT_DATA_FRAME_CROPPING, | ||
| 1327 | sizeof(uint32_t) * 4, 0); | ||
| 1328 |
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|
9 | if (!sd) |
| 1329 | ✗ | return AVERROR(ENOMEM); | |
| 1330 | |||
| 1331 | 9 | AV_WL32A(sd->data, top); | |
| 1332 | 9 | AV_WL32A(sd->data + 4, bottom); | |
| 1333 | 9 | AV_WL32A(sd->data + 8, left); | |
| 1334 | 9 | AV_WL32A(sd->data + 12, right); | |
| 1335 | |||
| 1336 | 12 | fail: | |
| 1337 |
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|
12 | if (err < 0) { |
| 1338 | 3 | int explode = !!(c->fc->error_recognition & AV_EF_EXPLODE); | |
| 1339 |
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|
3 | av_log(c->fc, explode ? AV_LOG_ERROR : AV_LOG_WARNING, "Invalid clap box\n"); |
| 1340 |
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|
3 | if (!explode) |
| 1341 | 3 | err = 0; | |
| 1342 | } | ||
| 1343 | |||
| 1344 | 12 | return err; | |
| 1345 | } | ||
| 1346 | |||
| 1347 | /* This atom overrides any previously set aspect ratio */ | ||
| 1348 | 75 | static int mov_read_pasp(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1349 | { | ||
| 1350 | 75 | const int num = avio_rb32(pb); | |
| 1351 | 75 | const int den = avio_rb32(pb); | |
| 1352 | AVStream *st; | ||
| 1353 | MOVStreamContext *sc; | ||
| 1354 | |||
| 1355 |
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|
75 | if (c->fc->nb_streams < 1) |
| 1356 | ✗ | return 0; | |
| 1357 | 75 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1358 | 75 | sc = st->priv_data; | |
| 1359 | |||
| 1360 | 75 | av_log(c->fc, AV_LOG_TRACE, "pasp: hSpacing %d, vSpacing %d\n", num, den); | |
| 1361 | |||
| 1362 |
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|
75 | if (den != 0) { |
| 1363 | 73 | sc->h_spacing = num; | |
| 1364 | 73 | sc->v_spacing = den; | |
| 1365 | } | ||
| 1366 | 75 | return 0; | |
| 1367 | } | ||
| 1368 | |||
| 1369 | /* this atom contains actual media data */ | ||
| 1370 | 963 | static int mov_read_mdat(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1371 | { | ||
| 1372 |
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|
963 | if (atom.size == 0) /* wrong one (MP4) */ |
| 1373 | ✗ | return 0; | |
| 1374 | 963 | c->found_mdat=1; | |
| 1375 | 963 | return 0; /* now go for moov */ | |
| 1376 | } | ||
| 1377 | |||
| 1378 | #define DRM_BLOB_SIZE 56 | ||
| 1379 | |||
| 1380 | ✗ | static int mov_read_adrm(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1381 | { | ||
| 1382 | uint8_t intermediate_key[20]; | ||
| 1383 | uint8_t intermediate_iv[20]; | ||
| 1384 | uint8_t input[64]; | ||
| 1385 | uint8_t output[64]; | ||
| 1386 | uint8_t file_checksum[20]; | ||
| 1387 | uint8_t calculated_checksum[20]; | ||
| 1388 | char checksum_string[2 * sizeof(file_checksum) + 1]; | ||
| 1389 | struct AVSHA *sha; | ||
| 1390 | int i; | ||
| 1391 | ✗ | int ret = 0; | |
| 1392 | ✗ | uint8_t *activation_bytes = c->activation_bytes; | |
| 1393 | ✗ | uint8_t *fixed_key = c->audible_fixed_key; | |
| 1394 | |||
| 1395 | ✗ | c->aax_mode = 1; | |
| 1396 | |||
| 1397 | ✗ | sha = av_sha_alloc(); | |
| 1398 | ✗ | if (!sha) | |
| 1399 | ✗ | return AVERROR(ENOMEM); | |
| 1400 | ✗ | av_free(c->aes_decrypt); | |
| 1401 | ✗ | c->aes_decrypt = av_aes_alloc(); | |
| 1402 | ✗ | if (!c->aes_decrypt) { | |
| 1403 | ✗ | ret = AVERROR(ENOMEM); | |
| 1404 | ✗ | goto fail; | |
| 1405 | } | ||
| 1406 | |||
| 1407 | /* drm blob processing */ | ||
| 1408 | ✗ | avio_read(pb, output, 8); // go to offset 8, absolute position 0x251 | |
| 1409 | ✗ | avio_read(pb, input, DRM_BLOB_SIZE); | |
| 1410 | ✗ | avio_read(pb, output, 4); // go to offset 4, absolute position 0x28d | |
| 1411 | ✗ | ret = ffio_read_size(pb, file_checksum, 20); | |
| 1412 | ✗ | if (ret < 0) | |
| 1413 | ✗ | goto fail; | |
| 1414 | |||
| 1415 | // required by external tools | ||
| 1416 | ✗ | ff_data_to_hex(checksum_string, file_checksum, sizeof(file_checksum), 1); | |
| 1417 | ✗ | av_log(c->fc, AV_LOG_INFO, "[aax] file checksum == %s\n", checksum_string); | |
| 1418 | |||
| 1419 | /* verify activation data */ | ||
| 1420 | ✗ | if (!activation_bytes) { | |
| 1421 | ✗ | av_log(c->fc, AV_LOG_WARNING, "[aax] activation_bytes option is missing!\n"); | |
| 1422 | ✗ | ret = 0; /* allow ffprobe to continue working on .aax files */ | |
| 1423 | ✗ | goto fail; | |
| 1424 | } | ||
| 1425 | ✗ | if (c->activation_bytes_size != 4) { | |
| 1426 | ✗ | av_log(c->fc, AV_LOG_FATAL, "[aax] activation_bytes value needs to be 4 bytes!\n"); | |
| 1427 | ✗ | ret = AVERROR(EINVAL); | |
| 1428 | ✗ | goto fail; | |
| 1429 | } | ||
| 1430 | |||
| 1431 | /* verify fixed key */ | ||
| 1432 | ✗ | if (c->audible_fixed_key_size != 16) { | |
| 1433 | ✗ | av_log(c->fc, AV_LOG_FATAL, "[aax] audible_fixed_key value needs to be 16 bytes!\n"); | |
| 1434 | ✗ | ret = AVERROR(EINVAL); | |
| 1435 | ✗ | goto fail; | |
| 1436 | } | ||
| 1437 | |||
| 1438 | /* AAX (and AAX+) key derivation */ | ||
| 1439 | ✗ | av_sha_init(sha, 160); | |
| 1440 | ✗ | av_sha_update(sha, fixed_key, 16); | |
| 1441 | ✗ | av_sha_update(sha, activation_bytes, 4); | |
| 1442 | ✗ | av_sha_final(sha, intermediate_key); | |
| 1443 | ✗ | av_sha_init(sha, 160); | |
| 1444 | ✗ | av_sha_update(sha, fixed_key, 16); | |
| 1445 | ✗ | av_sha_update(sha, intermediate_key, 20); | |
| 1446 | ✗ | av_sha_update(sha, activation_bytes, 4); | |
| 1447 | ✗ | av_sha_final(sha, intermediate_iv); | |
| 1448 | ✗ | av_sha_init(sha, 160); | |
| 1449 | ✗ | av_sha_update(sha, intermediate_key, 16); | |
| 1450 | ✗ | av_sha_update(sha, intermediate_iv, 16); | |
| 1451 | ✗ | av_sha_final(sha, calculated_checksum); | |
| 1452 | ✗ | if (memcmp(calculated_checksum, file_checksum, 20)) { // critical error | |
| 1453 | ✗ | av_log(c->fc, AV_LOG_ERROR, "[aax] mismatch in checksums!\n"); | |
| 1454 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1455 | ✗ | goto fail; | |
| 1456 | } | ||
| 1457 | ✗ | av_aes_init(c->aes_decrypt, intermediate_key, 128, 1); | |
| 1458 | ✗ | av_aes_crypt(c->aes_decrypt, output, input, DRM_BLOB_SIZE >> 4, intermediate_iv, 1); | |
| 1459 | ✗ | for (i = 0; i < 4; i++) { | |
| 1460 | // file data (in output) is stored in big-endian mode | ||
| 1461 | ✗ | if (activation_bytes[i] != output[3 - i]) { // critical error | |
| 1462 | ✗ | av_log(c->fc, AV_LOG_ERROR, "[aax] error in drm blob decryption!\n"); | |
| 1463 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1464 | ✗ | goto fail; | |
| 1465 | } | ||
| 1466 | } | ||
| 1467 | ✗ | memcpy(c->file_key, output + 8, 16); | |
| 1468 | ✗ | memcpy(input, output + 26, 16); | |
| 1469 | ✗ | av_sha_init(sha, 160); | |
| 1470 | ✗ | av_sha_update(sha, input, 16); | |
| 1471 | ✗ | av_sha_update(sha, c->file_key, 16); | |
| 1472 | ✗ | av_sha_update(sha, fixed_key, 16); | |
| 1473 | ✗ | av_sha_final(sha, c->file_iv); | |
| 1474 | |||
| 1475 | ✗ | fail: | |
| 1476 | ✗ | av_free(sha); | |
| 1477 | |||
| 1478 | ✗ | return ret; | |
| 1479 | } | ||
| 1480 | |||
| 1481 | ✗ | static int mov_aaxc_crypto(MOVContext *c) | |
| 1482 | { | ||
| 1483 | ✗ | if (c->audible_key_size != 16) { | |
| 1484 | ✗ | av_log(c->fc, AV_LOG_FATAL, "[aaxc] audible_key value needs to be 16 bytes!\n"); | |
| 1485 | ✗ | return AVERROR(EINVAL); | |
| 1486 | } | ||
| 1487 | |||
| 1488 | ✗ | if (c->audible_iv_size != 16) { | |
| 1489 | ✗ | av_log(c->fc, AV_LOG_FATAL, "[aaxc] audible_iv value needs to be 16 bytes!\n"); | |
| 1490 | ✗ | return AVERROR(EINVAL); | |
| 1491 | } | ||
| 1492 | |||
| 1493 | ✗ | c->aes_decrypt = av_aes_alloc(); | |
| 1494 | ✗ | if (!c->aes_decrypt) { | |
| 1495 | ✗ | return AVERROR(ENOMEM); | |
| 1496 | } | ||
| 1497 | |||
| 1498 | ✗ | memcpy(c->file_key, c->audible_key, 16); | |
| 1499 | ✗ | memcpy(c->file_iv, c->audible_iv, 16); | |
| 1500 | ✗ | c->aax_mode = 1; | |
| 1501 | |||
| 1502 | ✗ | return 0; | |
| 1503 | } | ||
| 1504 | |||
| 1505 | // Audible AAX (and AAX+) bytestream decryption | ||
| 1506 | ✗ | static int aax_filter(uint8_t *input, int size, MOVContext *c) | |
| 1507 | { | ||
| 1508 | ✗ | int blocks = 0; | |
| 1509 | unsigned char iv[16]; | ||
| 1510 | |||
| 1511 | ✗ | memcpy(iv, c->file_iv, 16); // iv is overwritten | |
| 1512 | ✗ | blocks = size >> 4; // trailing bytes are not encrypted! | |
| 1513 | ✗ | av_aes_init(c->aes_decrypt, c->file_key, 128, 1); | |
| 1514 | ✗ | av_aes_crypt(c->aes_decrypt, input, input, blocks, iv, 1); | |
| 1515 | |||
| 1516 | ✗ | return 0; | |
| 1517 | } | ||
| 1518 | |||
| 1519 | /* read major brand, minor version and compatible brands and store them as metadata */ | ||
| 1520 | 468 | static int mov_read_ftyp(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1521 | { | ||
| 1522 | uint32_t minor_ver; | ||
| 1523 | int comp_brand_size; | ||
| 1524 | char* comp_brands_str; | ||
| 1525 | 468 | uint8_t type[5] = {0}; | |
| 1526 | 468 | int ret = ffio_read_size(pb, type, 4); | |
| 1527 |
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468 | if (ret < 0) |
| 1528 | ✗ | return ret; | |
| 1529 |
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|
468 | if (c->fc->nb_streams) { |
| 1530 | ✗ | if (c->fc->strict_std_compliance >= FF_COMPLIANCE_STRICT) | |
| 1531 | ✗ | return AVERROR_INVALIDDATA; | |
| 1532 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "Ignoring duplicate FTYP\n"); | |
| 1533 | ✗ | return 0; | |
| 1534 | } | ||
| 1535 | |||
| 1536 |
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|
468 | if (strcmp(type, "qt ")) |
| 1537 | 232 | c->isom = 1; | |
| 1538 | 468 | av_log(c->fc, AV_LOG_DEBUG, "ISO: File Type Major Brand: %.4s\n",(char *)&type); | |
| 1539 | 468 | av_dict_set(&c->fc->metadata, "major_brand", type, 0); | |
| 1540 | 468 | minor_ver = avio_rb32(pb); /* minor version */ | |
| 1541 | 468 | av_dict_set_int(&c->fc->metadata, "minor_version", minor_ver, 0); | |
| 1542 | |||
| 1543 | 468 | comp_brand_size = atom.size - 8; | |
| 1544 |
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468 | if (comp_brand_size < 0 || comp_brand_size == INT_MAX) |
| 1545 | ✗ | return AVERROR_INVALIDDATA; | |
| 1546 | 468 | comp_brands_str = av_malloc(comp_brand_size + 1); /* Add null terminator */ | |
| 1547 |
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|
468 | if (!comp_brands_str) |
| 1548 | ✗ | return AVERROR(ENOMEM); | |
| 1549 | |||
| 1550 | 468 | ret = ffio_read_size(pb, comp_brands_str, comp_brand_size); | |
| 1551 |
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468 | if (ret < 0) { |
| 1552 | ✗ | av_freep(&comp_brands_str); | |
| 1553 | ✗ | return ret; | |
| 1554 | } | ||
| 1555 | 468 | comp_brands_str[comp_brand_size] = 0; | |
| 1556 | 468 | av_dict_set(&c->fc->metadata, "compatible_brands", | |
| 1557 | comp_brands_str, AV_DICT_DONT_STRDUP_VAL); | ||
| 1558 | |||
| 1559 | // Logic for handling Audible's .aaxc files | ||
| 1560 |
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468 | if (!strcmp(type, "aaxc")) { |
| 1561 | ✗ | mov_aaxc_crypto(c); | |
| 1562 | } | ||
| 1563 | |||
| 1564 | 468 | return 0; | |
| 1565 | } | ||
| 1566 | |||
| 1567 | /* this atom should contain all header atoms */ | ||
| 1568 | 497 | static int mov_read_moov(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1569 | { | ||
| 1570 | int ret; | ||
| 1571 | |||
| 1572 |
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|
497 | if (c->found_moov) { |
| 1573 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Found duplicated MOOV Atom. Skipped it\n"); | |
| 1574 | ✗ | avio_skip(pb, atom.size); | |
| 1575 | ✗ | return 0; | |
| 1576 | } | ||
| 1577 | |||
| 1578 |
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|
497 | if ((ret = mov_read_default(c, pb, atom)) < 0) |
| 1579 | ✗ | return ret; | |
| 1580 | /* we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat' */ | ||
| 1581 | /* so we don't parse the whole file if over a network */ | ||
| 1582 | 497 | c->found_moov=1; | |
| 1583 | 497 | return 0; /* now go for mdat */ | |
| 1584 | } | ||
| 1585 | |||
| 1586 | 3050 | static MOVFragmentStreamInfo * get_frag_stream_info( | |
| 1587 | MOVFragmentIndex *frag_index, | ||
| 1588 | int index, | ||
| 1589 | int id) | ||
| 1590 | { | ||
| 1591 | int i; | ||
| 1592 | MOVFragmentIndexItem * item; | ||
| 1593 | |||
| 1594 |
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3050 | if (index < 0 || index >= frag_index->nb_items) |
| 1595 | ✗ | return NULL; | |
| 1596 | 3050 | item = &frag_index->item[index]; | |
| 1597 |
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3226 | for (i = 0; i < item->nb_stream_info; i++) |
| 1598 |
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|
3226 | if (item->stream_info[i].id == id) |
| 1599 | 3050 | return &item->stream_info[i]; | |
| 1600 | |||
| 1601 | // This shouldn't happen | ||
| 1602 | ✗ | return NULL; | |
| 1603 | } | ||
| 1604 | |||
| 1605 | 493 | static void set_frag_stream(MOVFragmentIndex *frag_index, int id) | |
| 1606 | { | ||
| 1607 | int i; | ||
| 1608 | MOVFragmentIndexItem * item; | ||
| 1609 | |||
| 1610 |
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493 | if (frag_index->current < 0 || |
| 1611 |
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|
493 | frag_index->current >= frag_index->nb_items) |
| 1612 | ✗ | return; | |
| 1613 | |||
| 1614 | 493 | item = &frag_index->item[frag_index->current]; | |
| 1615 |
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551 | for (i = 0; i < item->nb_stream_info; i++) |
| 1616 |
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|
551 | if (item->stream_info[i].id == id) { |
| 1617 | 493 | item->current = i; | |
| 1618 | 493 | return; | |
| 1619 | } | ||
| 1620 | |||
| 1621 | // id not found. This shouldn't happen. | ||
| 1622 | ✗ | item->current = -1; | |
| 1623 | } | ||
| 1624 | |||
| 1625 | 1412 | static MOVFragmentStreamInfo * get_current_frag_stream_info( | |
| 1626 | MOVFragmentIndex *frag_index) | ||
| 1627 | { | ||
| 1628 | MOVFragmentIndexItem *item; | ||
| 1629 |
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1412 | if (frag_index->current < 0 || |
| 1630 |
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|
1412 | frag_index->current >= frag_index->nb_items) |
| 1631 | 3 | return NULL; | |
| 1632 | |||
| 1633 | 1409 | item = &frag_index->item[frag_index->current]; | |
| 1634 |
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|
1409 | if (item->current >= 0 && item->current < item->nb_stream_info) |
| 1635 | 1409 | return &item->stream_info[item->current]; | |
| 1636 | |||
| 1637 | // This shouldn't happen | ||
| 1638 | ✗ | return NULL; | |
| 1639 | } | ||
| 1640 | |||
| 1641 | 879 | static int search_frag_moof_offset(MOVFragmentIndex *frag_index, int64_t offset) | |
| 1642 | { | ||
| 1643 | int a, b, m; | ||
| 1644 | int64_t moof_offset; | ||
| 1645 | |||
| 1646 | // Optimize for appending new entries | ||
| 1647 |
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|
879 | if (!frag_index->nb_items || |
| 1648 |
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|
864 | frag_index->item[frag_index->nb_items - 1].moof_offset < offset) |
| 1649 | 473 | return frag_index->nb_items; | |
| 1650 | |||
| 1651 | 406 | a = -1; | |
| 1652 | 406 | b = frag_index->nb_items; | |
| 1653 | |||
| 1654 |
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|
3062 | while (b - a > 1) { |
| 1655 | 2656 | m = (a + b) >> 1; | |
| 1656 | 2656 | moof_offset = frag_index->item[m].moof_offset; | |
| 1657 |
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|
2656 | if (moof_offset >= offset) |
| 1658 | 733 | b = m; | |
| 1659 |
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|
2656 | if (moof_offset <= offset) |
| 1660 | 2329 | a = m; | |
| 1661 | } | ||
| 1662 | 406 | return b; | |
| 1663 | } | ||
| 1664 | |||
| 1665 | ✗ | static int64_t get_stream_info_time(MOVFragmentStreamInfo * frag_stream_info) | |
| 1666 | { | ||
| 1667 | ✗ | av_assert0(frag_stream_info); | |
| 1668 | ✗ | if (frag_stream_info->sidx_pts != AV_NOPTS_VALUE) | |
| 1669 | ✗ | return frag_stream_info->sidx_pts; | |
| 1670 | ✗ | if (frag_stream_info->first_tfra_pts != AV_NOPTS_VALUE) | |
| 1671 | ✗ | return frag_stream_info->first_tfra_pts; | |
| 1672 | ✗ | return frag_stream_info->tfdt_dts; | |
| 1673 | } | ||
| 1674 | |||
| 1675 | 219 | static int64_t get_frag_time(AVFormatContext *s, AVStream *dst_st, | |
| 1676 | MOVFragmentIndex *frag_index, int index) | ||
| 1677 | { | ||
| 1678 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 1679 | 219 | MOVStreamContext *sc = dst_st->priv_data; | |
| 1680 | int64_t timestamp; | ||
| 1681 | int i, j; | ||
| 1682 | |||
| 1683 | // If the stream is referenced by any sidx, limit the search | ||
| 1684 | // to fragments that referenced this stream in the sidx | ||
| 1685 |
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|
219 | if (sc->has_sidx) { |
| 1686 | 219 | frag_stream_info = get_frag_stream_info(frag_index, index, sc->id); | |
| 1687 |
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|
219 | if (!frag_stream_info) |
| 1688 | ✗ | return AV_NOPTS_VALUE; | |
| 1689 |
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|
219 | if (frag_stream_info->sidx_pts != AV_NOPTS_VALUE) |
| 1690 | 219 | return frag_stream_info->sidx_pts; | |
| 1691 | ✗ | if (frag_stream_info->first_tfra_pts != AV_NOPTS_VALUE) | |
| 1692 | ✗ | return frag_stream_info->first_tfra_pts; | |
| 1693 | ✗ | return frag_stream_info->sidx_pts; | |
| 1694 | } | ||
| 1695 | |||
| 1696 | ✗ | for (i = 0; i < frag_index->item[index].nb_stream_info; i++) { | |
| 1697 | ✗ | AVStream *frag_stream = NULL; | |
| 1698 | ✗ | frag_stream_info = &frag_index->item[index].stream_info[i]; | |
| 1699 | ✗ | for (j = 0; j < s->nb_streams; j++) { | |
| 1700 | ✗ | MOVStreamContext *sc2 = s->streams[j]->priv_data; | |
| 1701 | ✗ | if (sc2->id == frag_stream_info->id) | |
| 1702 | ✗ | frag_stream = s->streams[j]; | |
| 1703 | } | ||
| 1704 | ✗ | if (!frag_stream) { | |
| 1705 | ✗ | av_log(s, AV_LOG_WARNING, "No stream matching sidx ID found.\n"); | |
| 1706 | ✗ | continue; | |
| 1707 | } | ||
| 1708 | ✗ | timestamp = get_stream_info_time(frag_stream_info); | |
| 1709 | ✗ | if (timestamp != AV_NOPTS_VALUE) | |
| 1710 | ✗ | return av_rescale_q(timestamp, frag_stream->time_base, dst_st->time_base); | |
| 1711 | } | ||
| 1712 | ✗ | return AV_NOPTS_VALUE; | |
| 1713 | } | ||
| 1714 | |||
| 1715 | 26 | static int search_frag_timestamp(AVFormatContext *s, MOVFragmentIndex *frag_index, | |
| 1716 | AVStream *st, int64_t timestamp) | ||
| 1717 | { | ||
| 1718 | int a, b, m, m0; | ||
| 1719 | int64_t frag_time; | ||
| 1720 | |||
| 1721 | 26 | a = -1; | |
| 1722 | 26 | b = frag_index->nb_items; | |
| 1723 | |||
| 1724 |
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|
245 | while (b - a > 1) { |
| 1725 | 219 | m0 = m = (a + b) >> 1; | |
| 1726 | |||
| 1727 |
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|
438 | while (m < b && |
| 1728 | 219 | (frag_time = get_frag_time(s, st, frag_index, m)) == AV_NOPTS_VALUE) | |
| 1729 | ✗ | m++; | |
| 1730 | |||
| 1731 |
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219 | if (m < b && frag_time <= timestamp) |
| 1732 | 93 | a = m; | |
| 1733 | else | ||
| 1734 | 126 | b = m0; | |
| 1735 | } | ||
| 1736 | |||
| 1737 | 26 | return a; | |
| 1738 | } | ||
| 1739 | |||
| 1740 | 836 | static int update_frag_index(MOVContext *c, int64_t offset) | |
| 1741 | { | ||
| 1742 | int index, i; | ||
| 1743 | MOVFragmentIndexItem * item; | ||
| 1744 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 1745 | |||
| 1746 | // If moof_offset already exists in frag_index, return index to it | ||
| 1747 | 836 | index = search_frag_moof_offset(&c->frag_index, offset); | |
| 1748 |
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836 | if (index < c->frag_index.nb_items && |
| 1749 |
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368 | c->frag_index.item[index].moof_offset == offset) |
| 1750 | 368 | return index; | |
| 1751 | |||
| 1752 | // offset is not yet in frag index. | ||
| 1753 | // Insert new item at index (sorted by moof offset) | ||
| 1754 | 468 | item = av_fast_realloc(c->frag_index.item, | |
| 1755 | 468 | &c->frag_index.allocated_size, | |
| 1756 | 468 | (c->frag_index.nb_items + 1) * | |
| 1757 | sizeof(*c->frag_index.item)); | ||
| 1758 |
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|
468 | if (!item) |
| 1759 | ✗ | return -1; | |
| 1760 | 468 | c->frag_index.item = item; | |
| 1761 | |||
| 1762 | 468 | frag_stream_info = av_realloc_array(NULL, c->fc->nb_streams, | |
| 1763 | sizeof(*item->stream_info)); | ||
| 1764 |
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|
468 | if (!frag_stream_info) |
| 1765 | ✗ | return -1; | |
| 1766 | |||
| 1767 |
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|
1032 | for (i = 0; i < c->fc->nb_streams; i++) { |
| 1768 | // Avoid building frag index if streams lack track id. | ||
| 1769 | 564 | MOVStreamContext *sc = c->fc->streams[i]->priv_data; | |
| 1770 |
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|
564 | if (sc->id < 0) { |
| 1771 | ✗ | av_free(frag_stream_info); | |
| 1772 | ✗ | return AVERROR_INVALIDDATA; | |
| 1773 | } | ||
| 1774 | |||
| 1775 | 564 | frag_stream_info[i].id = sc->id; | |
| 1776 | 564 | frag_stream_info[i].sidx_pts = AV_NOPTS_VALUE; | |
| 1777 | 564 | frag_stream_info[i].tfdt_dts = AV_NOPTS_VALUE; | |
| 1778 | 564 | frag_stream_info[i].next_trun_dts = AV_NOPTS_VALUE; | |
| 1779 | 564 | frag_stream_info[i].first_tfra_pts = AV_NOPTS_VALUE; | |
| 1780 | 564 | frag_stream_info[i].index_base = -1; | |
| 1781 | 564 | frag_stream_info[i].index_entry = -1; | |
| 1782 | 564 | frag_stream_info[i].encryption_index = NULL; | |
| 1783 | 564 | frag_stream_info[i].stsd_id = -1; | |
| 1784 | } | ||
| 1785 | |||
| 1786 |
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|
468 | if (index < c->frag_index.nb_items) |
| 1787 | ✗ | memmove(c->frag_index.item + index + 1, c->frag_index.item + index, | |
| 1788 | ✗ | (c->frag_index.nb_items - index) * sizeof(*c->frag_index.item)); | |
| 1789 | |||
| 1790 | 468 | item = &c->frag_index.item[index]; | |
| 1791 | 468 | item->headers_read = 0; | |
| 1792 | 468 | item->current = 0; | |
| 1793 | 468 | item->nb_stream_info = c->fc->nb_streams; | |
| 1794 | 468 | item->moof_offset = offset; | |
| 1795 | 468 | item->stream_info = frag_stream_info; | |
| 1796 | 468 | c->frag_index.nb_items++; | |
| 1797 | |||
| 1798 | 468 | return index; | |
| 1799 | } | ||
| 1800 | |||
| 1801 | 493 | static void fix_frag_index_entries(MOVFragmentIndex *frag_index, int index, | |
| 1802 | int id, int entries) | ||
| 1803 | { | ||
| 1804 | int i; | ||
| 1805 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 1806 | |||
| 1807 |
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493 | if (index < 0) |
| 1808 | 493 | return; | |
| 1809 | ✗ | for (i = index; i < frag_index->nb_items; i++) { | |
| 1810 | ✗ | frag_stream_info = get_frag_stream_info(frag_index, i, id); | |
| 1811 | ✗ | if (frag_stream_info && frag_stream_info->index_entry >= 0) | |
| 1812 | ✗ | frag_stream_info->index_entry += entries; | |
| 1813 | } | ||
| 1814 | } | ||
| 1815 | |||
| 1816 | 467 | static int mov_read_moof(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1817 | { | ||
| 1818 | // Set by mov_read_tfhd(). mov_read_trun() will reject files missing tfhd. | ||
| 1819 | 467 | c->fragment.found_tfhd = 0; | |
| 1820 | |||
| 1821 |
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467 | if (!c->has_looked_for_mfra && c->use_mfra_for > 0) { |
| 1822 | ✗ | c->has_looked_for_mfra = 1; | |
| 1823 | ✗ | if (pb->seekable & AVIO_SEEKABLE_NORMAL) { | |
| 1824 | int ret; | ||
| 1825 | ✗ | av_log(c->fc, AV_LOG_VERBOSE, "stream has moof boxes, will look " | |
| 1826 | "for a mfra\n"); | ||
| 1827 | ✗ | if ((ret = mov_read_mfra(c, pb)) < 0) { | |
| 1828 | ✗ | av_log(c->fc, AV_LOG_VERBOSE, "found a moof box but failed to " | |
| 1829 | "read the mfra (may be a live ismv)\n"); | ||
| 1830 | } | ||
| 1831 | } else { | ||
| 1832 | ✗ | av_log(c->fc, AV_LOG_VERBOSE, "found a moof box but stream is not " | |
| 1833 | "seekable, can not look for mfra\n"); | ||
| 1834 | } | ||
| 1835 | } | ||
| 1836 | 467 | c->fragment.moof_offset = c->fragment.implicit_offset = avio_tell(pb) - 8; | |
| 1837 | 467 | av_log(c->fc, AV_LOG_TRACE, "moof offset %"PRIx64"\n", c->fragment.moof_offset); | |
| 1838 | 467 | c->frag_index.current = update_frag_index(c, c->fragment.moof_offset); | |
| 1839 | 467 | return mov_read_default(c, pb, atom); | |
| 1840 | } | ||
| 1841 | |||
| 1842 | 1106 | static void mov_metadata_creation_time(MOVContext *c, AVIOContext *pb, AVDictionary **metadata, int version) | |
| 1843 | { | ||
| 1844 | int64_t time; | ||
| 1845 |
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1106 | if (version == 1) { |
| 1846 | 15 | time = avio_rb64(pb); | |
| 1847 | 15 | avio_rb64(pb); | |
| 1848 |
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15 | if (time < 0) { |
| 1849 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "creation_time is negative\n"); | |
| 1850 | ✗ | return; | |
| 1851 | } | ||
| 1852 | } else { | ||
| 1853 | 1091 | time = avio_rb32(pb); | |
| 1854 | 1091 | avio_rb32(pb); /* modification time */ | |
| 1855 |
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1091 | if (time > 0 && time < 2082844800) { |
| 1856 | 48 | av_log(c->fc, AV_LOG_WARNING, "Detected creation time before 1970, parsing as unix timestamp.\n"); | |
| 1857 | 48 | time += 2082844800; | |
| 1858 | } | ||
| 1859 | } | ||
| 1860 |
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1106 | if (time) { |
| 1861 | 533 | time -= 2082844800; /* seconds between 1904-01-01 and Epoch */ | |
| 1862 | |||
| 1863 |
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|
533 | if ((int64_t)(time * 1000000ULL) / 1000000 != time) { |
| 1864 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "creation_time is not representable\n"); | |
| 1865 | ✗ | return; | |
| 1866 | } | ||
| 1867 | |||
| 1868 | 533 | ff_dict_set_timestamp(metadata, "creation_time", time * 1000000); | |
| 1869 | } | ||
| 1870 | } | ||
| 1871 | |||
| 1872 | 612 | static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1873 | { | ||
| 1874 | AVStream *st; | ||
| 1875 | MOVStreamContext *sc; | ||
| 1876 | int version; | ||
| 1877 | 612 | char language[4] = {0}; | |
| 1878 | unsigned lang; | ||
| 1879 | |||
| 1880 |
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612 | if (c->fc->nb_streams < 1) |
| 1881 | ✗ | return 0; | |
| 1882 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 1883 | 612 | sc = st->priv_data; | |
| 1884 | |||
| 1885 |
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612 | if (sc->time_scale) { |
| 1886 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Multiple mdhd?\n"); | |
| 1887 | ✗ | return AVERROR_INVALIDDATA; | |
| 1888 | } | ||
| 1889 | |||
| 1890 | 612 | version = avio_r8(pb); | |
| 1891 |
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612 | if (version > 1) { |
| 1892 | ✗ | avpriv_request_sample(c->fc, "Version %d", version); | |
| 1893 | ✗ | return AVERROR_PATCHWELCOME; | |
| 1894 | } | ||
| 1895 | 612 | avio_rb24(pb); /* flags */ | |
| 1896 | 612 | mov_metadata_creation_time(c, pb, &st->metadata, version); | |
| 1897 | |||
| 1898 | 612 | sc->time_scale = avio_rb32(pb); | |
| 1899 |
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612 | if (sc->time_scale <= 0) { |
| 1900 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid mdhd time scale %d, defaulting to 1\n", sc->time_scale); | |
| 1901 | ✗ | sc->time_scale = 1; | |
| 1902 | } | ||
| 1903 |
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612 | st->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */ |
| 1904 | |||
| 1905 |
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612 | if ((version == 1 && st->duration == UINT64_MAX) || |
| 1906 |
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599 | (version != 1 && st->duration == UINT32_MAX)) { |
| 1907 | 9 | st->duration = 0; | |
| 1908 | } | ||
| 1909 | |||
| 1910 | 612 | lang = avio_rb16(pb); /* language */ | |
| 1911 |
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612 | if (ff_mov_lang_to_iso639(lang, language)) |
| 1912 | 440 | av_dict_set(&st->metadata, "language", language, 0); | |
| 1913 | 612 | avio_rb16(pb); /* quality */ | |
| 1914 | |||
| 1915 | 612 | return 0; | |
| 1916 | } | ||
| 1917 | |||
| 1918 | 494 | static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1919 | { | ||
| 1920 | int i; | ||
| 1921 | 494 | int version = avio_r8(pb); /* version */ | |
| 1922 | 494 | avio_rb24(pb); /* flags */ | |
| 1923 | |||
| 1924 | 494 | mov_metadata_creation_time(c, pb, &c->fc->metadata, version); | |
| 1925 | 494 | c->time_scale = avio_rb32(pb); /* time scale */ | |
| 1926 |
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494 | if (c->time_scale <= 0) { |
| 1927 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid mvhd time scale %d, defaulting to 1\n", c->time_scale); | |
| 1928 | ✗ | c->time_scale = 1; | |
| 1929 | } | ||
| 1930 | 494 | av_log(c->fc, AV_LOG_TRACE, "time scale = %i\n", c->time_scale); | |
| 1931 | |||
| 1932 |
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494 | c->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */ |
| 1933 | 494 | avio_rb32(pb); /* preferred scale */ | |
| 1934 | |||
| 1935 | 494 | avio_rb16(pb); /* preferred volume */ | |
| 1936 | |||
| 1937 | 494 | avio_skip(pb, 10); /* reserved */ | |
| 1938 | |||
| 1939 | /* movie display matrix, store it in main context and use it later on */ | ||
| 1940 |
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1976 | for (i = 0; i < 3; i++) { |
| 1941 | 1482 | c->movie_display_matrix[i][0] = avio_rb32(pb); // 16.16 fixed point | |
| 1942 | 1482 | c->movie_display_matrix[i][1] = avio_rb32(pb); // 16.16 fixed point | |
| 1943 | 1482 | c->movie_display_matrix[i][2] = avio_rb32(pb); // 2.30 fixed point | |
| 1944 | } | ||
| 1945 | |||
| 1946 | 494 | avio_rb32(pb); /* preview time */ | |
| 1947 | 494 | avio_rb32(pb); /* preview duration */ | |
| 1948 | 494 | avio_rb32(pb); /* poster time */ | |
| 1949 | 494 | avio_rb32(pb); /* selection time */ | |
| 1950 | 494 | avio_rb32(pb); /* selection duration */ | |
| 1951 | 494 | avio_rb32(pb); /* current time */ | |
| 1952 | 494 | avio_rb32(pb); /* next track ID */ | |
| 1953 | |||
| 1954 | 494 | return 0; | |
| 1955 | } | ||
| 1956 | |||
| 1957 | 7 | static void set_last_stream_little_endian(AVFormatContext *fc) | |
| 1958 | { | ||
| 1959 | AVStream *st; | ||
| 1960 | |||
| 1961 |
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7 | if (fc->nb_streams < 1) |
| 1962 | ✗ | return; | |
| 1963 | 7 | st = fc->streams[fc->nb_streams-1]; | |
| 1964 | |||
| 1965 |
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7 | switch (st->codecpar->codec_id) { |
| 1966 | 5 | case AV_CODEC_ID_PCM_S16BE: | |
| 1967 | 5 | st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE; | |
| 1968 | 5 | break; | |
| 1969 | 1 | case AV_CODEC_ID_PCM_S24BE: | |
| 1970 | 1 | st->codecpar->codec_id = AV_CODEC_ID_PCM_S24LE; | |
| 1971 | 1 | break; | |
| 1972 | ✗ | case AV_CODEC_ID_PCM_S32BE: | |
| 1973 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_S32LE; | |
| 1974 | ✗ | break; | |
| 1975 | 1 | case AV_CODEC_ID_PCM_F32BE: | |
| 1976 | 1 | st->codecpar->codec_id = AV_CODEC_ID_PCM_F32LE; | |
| 1977 | 1 | break; | |
| 1978 | ✗ | case AV_CODEC_ID_PCM_F64BE: | |
| 1979 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_F64LE; | |
| 1980 | ✗ | break; | |
| 1981 | ✗ | default: | |
| 1982 | ✗ | break; | |
| 1983 | } | ||
| 1984 | } | ||
| 1985 | |||
| 1986 | 5 | static int mov_read_enda(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1987 | { | ||
| 1988 | 5 | int little_endian = avio_rb16(pb) & 0xFF; | |
| 1989 | 5 | av_log(c->fc, AV_LOG_TRACE, "enda %d\n", little_endian); | |
| 1990 |
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5 | if (little_endian == 1) |
| 1991 | 1 | set_last_stream_little_endian(c->fc); | |
| 1992 | 5 | return 0; | |
| 1993 | } | ||
| 1994 | |||
| 1995 | 6 | static int mov_read_pcmc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 1996 | { | ||
| 1997 | int format_flags; | ||
| 1998 | int version, flags; | ||
| 1999 | int pcm_sample_size; | ||
| 2000 | 6 | AVFormatContext *fc = c->fc; | |
| 2001 | AVStream *st; | ||
| 2002 | MOVStreamContext *sc; | ||
| 2003 | |||
| 2004 |
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6 | if (atom.size < 6) { |
| 2005 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty pcmC box\n"); | |
| 2006 | ✗ | return AVERROR_INVALIDDATA; | |
| 2007 | } | ||
| 2008 | |||
| 2009 | 6 | version = avio_r8(pb); | |
| 2010 | 6 | flags = avio_rb24(pb); | |
| 2011 | |||
| 2012 |
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6 | if (version != 0 || flags != 0) { |
| 2013 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 2014 | "Unsupported 'pcmC' box with version %d, flags: %x", | ||
| 2015 | version, flags); | ||
| 2016 | ✗ | return AVERROR_INVALIDDATA; | |
| 2017 | } | ||
| 2018 | |||
| 2019 | 6 | format_flags = avio_r8(pb); | |
| 2020 | 6 | pcm_sample_size = avio_r8(pb); | |
| 2021 | |||
| 2022 |
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6 | if (fc->nb_streams < 1) |
| 2023 | ✗ | return AVERROR_INVALIDDATA; | |
| 2024 | |||
| 2025 | 6 | st = fc->streams[fc->nb_streams - 1]; | |
| 2026 | 6 | sc = st->priv_data; | |
| 2027 | |||
| 2028 |
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6 | if (sc->format == MOV_MP4_FPCM_TAG) { |
| 2029 |
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1 | switch (pcm_sample_size) { |
| 2030 | 1 | case 32: | |
| 2031 | 1 | st->codecpar->codec_id = AV_CODEC_ID_PCM_F32BE; | |
| 2032 | 1 | break; | |
| 2033 | ✗ | case 64: | |
| 2034 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_F64BE; | |
| 2035 | ✗ | break; | |
| 2036 | ✗ | default: | |
| 2037 | ✗ | av_log(fc, AV_LOG_ERROR, "invalid pcm_sample_size %d for %s\n", | |
| 2038 | pcm_sample_size, | ||
| 2039 | ✗ | av_fourcc2str(sc->format)); | |
| 2040 | ✗ | return AVERROR_INVALIDDATA; | |
| 2041 | } | ||
| 2042 |
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5 | } else if (sc->format == MOV_MP4_IPCM_TAG) { |
| 2043 |
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5 | switch (pcm_sample_size) { |
| 2044 | 5 | case 16: | |
| 2045 | 5 | st->codecpar->codec_id = AV_CODEC_ID_PCM_S16BE; | |
| 2046 | 5 | break; | |
| 2047 | ✗ | case 24: | |
| 2048 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_S24BE; | |
| 2049 | ✗ | break; | |
| 2050 | ✗ | case 32: | |
| 2051 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_S32BE; | |
| 2052 | ✗ | break; | |
| 2053 | ✗ | default: | |
| 2054 | ✗ | av_log(fc, AV_LOG_ERROR, "invalid pcm_sample_size %d for %s\n", | |
| 2055 | pcm_sample_size, | ||
| 2056 | ✗ | av_fourcc2str(sc->format)); | |
| 2057 | ✗ | return AVERROR_INVALIDDATA; | |
| 2058 | } | ||
| 2059 | } else { | ||
| 2060 | ✗ | av_log(fc, AV_LOG_ERROR, "'pcmC' with invalid sample entry '%s'\n", | |
| 2061 | ✗ | av_fourcc2str(sc->format)); | |
| 2062 | ✗ | return AVERROR_INVALIDDATA; | |
| 2063 | } | ||
| 2064 | |||
| 2065 |
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6 | if (format_flags & 1) // indicates little-endian format. If not present, big-endian format is used |
| 2066 | 6 | set_last_stream_little_endian(c->fc); | |
| 2067 | 6 | st->codecpar->bits_per_coded_sample = av_get_bits_per_sample(st->codecpar->codec_id); | |
| 2068 | |||
| 2069 | 6 | return 0; | |
| 2070 | } | ||
| 2071 | |||
| 2072 | 46 | static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2073 | { | ||
| 2074 | AVStream *st; | ||
| 2075 | 46 | HEIFItem *item = NULL; | |
| 2076 | 46 | char color_parameter_type[5] = { 0 }; | |
| 2077 | uint16_t color_primaries, color_trc, color_matrix; | ||
| 2078 | int ret; | ||
| 2079 | |||
| 2080 | 46 | st = get_curr_st(c); | |
| 2081 |
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46 | if (!st) { |
| 2082 | ✗ | item = get_heif_item(c, c->cur_item_id); | |
| 2083 | ✗ | if (!item) | |
| 2084 | ✗ | return 0; | |
| 2085 | } | ||
| 2086 | |||
| 2087 | 46 | ret = ffio_read_size(pb, color_parameter_type, 4); | |
| 2088 |
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46 | if (ret < 0) |
| 2089 | ✗ | return ret; | |
| 2090 |
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46 | if (strncmp(color_parameter_type, "nclx", 4) && |
| 2091 |
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|
33 | strncmp(color_parameter_type, "nclc", 4) && |
| 2092 | ✗ | strncmp(color_parameter_type, "prof", 4)) { | |
| 2093 | ✗ | av_log(c->fc, AV_LOG_WARNING, "unsupported color_parameter_type %s\n", | |
| 2094 | color_parameter_type); | ||
| 2095 | ✗ | return 0; | |
| 2096 | } | ||
| 2097 | |||
| 2098 |
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|
46 | if (!strncmp(color_parameter_type, "prof", 4)) { |
| 2099 | AVPacketSideData *sd; | ||
| 2100 | uint8_t *icc_profile; | ||
| 2101 | ✗ | if (st) { | |
| 2102 | ✗ | sd = av_packet_side_data_new(&st->codecpar->coded_side_data, | |
| 2103 | ✗ | &st->codecpar->nb_coded_side_data, | |
| 2104 | AV_PKT_DATA_ICC_PROFILE, | ||
| 2105 | ✗ | atom.size - 4, 0); | |
| 2106 | ✗ | if (!sd) | |
| 2107 | ✗ | return AVERROR(ENOMEM); | |
| 2108 | ✗ | icc_profile = sd->data; | |
| 2109 | } else { | ||
| 2110 | ✗ | av_freep(&item->icc_profile); | |
| 2111 | ✗ | icc_profile = item->icc_profile = av_malloc(atom.size - 4); | |
| 2112 | ✗ | if (!icc_profile) { | |
| 2113 | ✗ | item->icc_profile_size = 0; | |
| 2114 | ✗ | return AVERROR(ENOMEM); | |
| 2115 | } | ||
| 2116 | ✗ | item->icc_profile_size = atom.size - 4; | |
| 2117 | } | ||
| 2118 | ✗ | ret = ffio_read_size(pb, icc_profile, atom.size - 4); | |
| 2119 | ✗ | if (ret < 0) | |
| 2120 | ✗ | return ret; | |
| 2121 |
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|
46 | } else if (st) { |
| 2122 | 46 | color_primaries = avio_rb16(pb); | |
| 2123 | 46 | color_trc = avio_rb16(pb); | |
| 2124 | 46 | color_matrix = avio_rb16(pb); | |
| 2125 | |||
| 2126 | 46 | av_log(c->fc, AV_LOG_TRACE, | |
| 2127 | "%s: pri %d trc %d matrix %d", | ||
| 2128 | color_parameter_type, color_primaries, color_trc, color_matrix); | ||
| 2129 | |||
| 2130 |
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|
46 | if (!strncmp(color_parameter_type, "nclx", 4)) { |
| 2131 | 13 | uint8_t color_range = avio_r8(pb) >> 7; | |
| 2132 | 13 | av_log(c->fc, AV_LOG_TRACE, " full %"PRIu8"", color_range); | |
| 2133 |
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|
13 | if (color_range) |
| 2134 | 2 | st->codecpar->color_range = AVCOL_RANGE_JPEG; | |
| 2135 | else | ||
| 2136 | 11 | st->codecpar->color_range = AVCOL_RANGE_MPEG; | |
| 2137 | } | ||
| 2138 | |||
| 2139 |
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|
46 | if (!av_color_primaries_name(color_primaries)) |
| 2140 | ✗ | color_primaries = AVCOL_PRI_UNSPECIFIED; | |
| 2141 |
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|
46 | if (!av_color_transfer_name(color_trc)) |
| 2142 | ✗ | color_trc = AVCOL_TRC_UNSPECIFIED; | |
| 2143 |
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|
46 | if (!av_color_space_name(color_matrix)) |
| 2144 | ✗ | color_matrix = AVCOL_SPC_UNSPECIFIED; | |
| 2145 | |||
| 2146 | 46 | st->codecpar->color_primaries = color_primaries; | |
| 2147 | 46 | st->codecpar->color_trc = color_trc; | |
| 2148 | 46 | st->codecpar->color_space = color_matrix; | |
| 2149 | 46 | av_log(c->fc, AV_LOG_TRACE, "\n"); | |
| 2150 | } | ||
| 2151 | 46 | return 0; | |
| 2152 | } | ||
| 2153 | |||
| 2154 | 118 | static int mov_read_fiel(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2155 | { | ||
| 2156 | AVStream *st; | ||
| 2157 | unsigned mov_field_order; | ||
| 2158 | 118 | enum AVFieldOrder decoded_field_order = AV_FIELD_UNKNOWN; | |
| 2159 | |||
| 2160 |
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|
118 | if (c->fc->nb_streams < 1) // will happen with jp2 files |
| 2161 | ✗ | return 0; | |
| 2162 | 118 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 2163 |
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|
118 | if (atom.size < 2) |
| 2164 | ✗ | return AVERROR_INVALIDDATA; | |
| 2165 | 118 | mov_field_order = avio_rb16(pb); | |
| 2166 |
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|
118 | if ((mov_field_order & 0xFF00) == 0x0100) |
| 2167 | 96 | decoded_field_order = AV_FIELD_PROGRESSIVE; | |
| 2168 |
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|
22 | else if ((mov_field_order & 0xFF00) == 0x0200) { |
| 2169 |
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|
22 | switch (mov_field_order & 0xFF) { |
| 2170 | 1 | case 0x01: decoded_field_order = AV_FIELD_TT; | |
| 2171 | 1 | break; | |
| 2172 | ✗ | case 0x06: decoded_field_order = AV_FIELD_BB; | |
| 2173 | ✗ | break; | |
| 2174 | 1 | case 0x09: decoded_field_order = AV_FIELD_TB; | |
| 2175 | 1 | break; | |
| 2176 | 20 | case 0x0E: decoded_field_order = AV_FIELD_BT; | |
| 2177 | 20 | break; | |
| 2178 | } | ||
| 2179 | } | ||
| 2180 |
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118 | if (decoded_field_order == AV_FIELD_UNKNOWN && mov_field_order) { |
| 2181 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Unknown MOV field order 0x%04x\n", mov_field_order); | |
| 2182 | } | ||
| 2183 | 118 | st->codecpar->field_order = decoded_field_order; | |
| 2184 | |||
| 2185 | 118 | return 0; | |
| 2186 | } | ||
| 2187 | |||
| 2188 | 68 | static int mov_realloc_extradata(AVCodecParameters *par, MOVAtom atom) | |
| 2189 | { | ||
| 2190 | 68 | int err = 0; | |
| 2191 | 68 | uint64_t size = (uint64_t)par->extradata_size + atom.size + 8 + AV_INPUT_BUFFER_PADDING_SIZE; | |
| 2192 |
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|
68 | if (size > INT_MAX || (uint64_t)atom.size > INT_MAX) |
| 2193 | ✗ | return AVERROR_INVALIDDATA; | |
| 2194 |
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|
68 | if ((err = av_reallocp(&par->extradata, size)) < 0) { |
| 2195 | ✗ | par->extradata_size = 0; | |
| 2196 | ✗ | return err; | |
| 2197 | } | ||
| 2198 | 68 | par->extradata_size = size - AV_INPUT_BUFFER_PADDING_SIZE; | |
| 2199 | 68 | return 0; | |
| 2200 | } | ||
| 2201 | |||
| 2202 | /* Read a whole atom into the extradata return the size of the atom read, possibly truncated if != atom.size */ | ||
| 2203 | 65 | static int64_t mov_read_atom_into_extradata(MOVContext *c, AVIOContext *pb, MOVAtom atom, | |
| 2204 | AVCodecParameters *par, uint8_t *buf) | ||
| 2205 | { | ||
| 2206 | 65 | int64_t result = atom.size; | |
| 2207 | int err; | ||
| 2208 | |||
| 2209 | 65 | AV_WB32(buf , atom.size + 8); | |
| 2210 | 65 | AV_WL32(buf + 4, atom.type); | |
| 2211 | 65 | err = ffio_read_size(pb, buf + 8, atom.size); | |
| 2212 |
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|
65 | if (err < 0) { |
| 2213 | ✗ | par->extradata_size -= atom.size; | |
| 2214 | ✗ | return err; | |
| 2215 |
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|
65 | } else if (err < atom.size) { |
| 2216 | ✗ | av_log(c->fc, AV_LOG_WARNING, "truncated extradata\n"); | |
| 2217 | ✗ | par->extradata_size -= atom.size - err; | |
| 2218 | ✗ | result = err; | |
| 2219 | } | ||
| 2220 | 65 | memset(buf + 8 + err, 0, AV_INPUT_BUFFER_PADDING_SIZE); | |
| 2221 | 65 | return result; | |
| 2222 | } | ||
| 2223 | |||
| 2224 | /* FIXME modify QDM2/SVQ3/H.264 decoders to take full atom as extradata */ | ||
| 2225 | 58 | static int mov_read_extradata(MOVContext *c, AVIOContext *pb, MOVAtom atom, | |
| 2226 | enum AVCodecID codec_id) | ||
| 2227 | { | ||
| 2228 | AVStream *st; | ||
| 2229 | uint64_t original_size; | ||
| 2230 | int err; | ||
| 2231 | |||
| 2232 |
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|
58 | if (c->fc->nb_streams < 1) // will happen with jp2 files |
| 2233 | ✗ | return 0; | |
| 2234 | 58 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 2235 | |||
| 2236 |
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|
58 | if (st->codecpar->codec_id != codec_id) |
| 2237 | 19 | return 0; /* unexpected codec_id - don't mess with extradata */ | |
| 2238 | |||
| 2239 | 39 | original_size = st->codecpar->extradata_size; | |
| 2240 | 39 | err = mov_realloc_extradata(st->codecpar, atom); | |
| 2241 |
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|
39 | if (err) |
| 2242 | ✗ | return err; | |
| 2243 | |||
| 2244 | 39 | err = mov_read_atom_into_extradata(c, pb, atom, st->codecpar, st->codecpar->extradata + original_size); | |
| 2245 |
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|
39 | if (err < 0) |
| 2246 | ✗ | return err; | |
| 2247 | 39 | return 0; // Note: this is the original behavior to ignore truncation. | |
| 2248 | } | ||
| 2249 | |||
| 2250 | /* wrapper functions for reading ALAC/AVS/MJPEG/MJPEG2000 extradata atoms only for those codecs */ | ||
| 2251 | 16 | static int mov_read_alac(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2252 | { | ||
| 2253 | 16 | return mov_read_extradata(c, pb, atom, AV_CODEC_ID_ALAC); | |
| 2254 | } | ||
| 2255 | |||
| 2256 | ✗ | static int mov_read_avss(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2257 | { | ||
| 2258 | ✗ | return mov_read_extradata(c, pb, atom, AV_CODEC_ID_CAVS); | |
| 2259 | } | ||
| 2260 | |||
| 2261 | ✗ | static int mov_read_jp2h(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2262 | { | ||
| 2263 | ✗ | return mov_read_extradata(c, pb, atom, AV_CODEC_ID_JPEG2000); | |
| 2264 | } | ||
| 2265 | |||
| 2266 | ✗ | static int mov_read_dpxe(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2267 | { | ||
| 2268 | ✗ | return mov_read_extradata(c, pb, atom, AV_CODEC_ID_R10K); | |
| 2269 | } | ||
| 2270 | |||
| 2271 | 19 | static int mov_read_avid(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2272 | { | ||
| 2273 | 19 | int ret = mov_read_extradata(c, pb, atom, AV_CODEC_ID_AVUI); | |
| 2274 |
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|
19 | if (!ret) |
| 2275 | 19 | ret = mov_read_extradata(c, pb, atom, AV_CODEC_ID_DNXHD); | |
| 2276 | 19 | return ret; | |
| 2277 | } | ||
| 2278 | |||
| 2279 | ✗ | static int mov_read_targa_y216(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2280 | { | ||
| 2281 | ✗ | int ret = mov_read_extradata(c, pb, atom, AV_CODEC_ID_TARGA_Y216); | |
| 2282 | |||
| 2283 | ✗ | if (!ret && c->fc->nb_streams >= 1) { | |
| 2284 | ✗ | AVCodecParameters *par = c->fc->streams[c->fc->nb_streams-1]->codecpar; | |
| 2285 | ✗ | if (par->extradata_size >= 40) { | |
| 2286 | ✗ | par->height = AV_RB16(&par->extradata[36]); | |
| 2287 | ✗ | par->width = AV_RB16(&par->extradata[38]); | |
| 2288 | } | ||
| 2289 | } | ||
| 2290 | ✗ | return ret; | |
| 2291 | } | ||
| 2292 | |||
| 2293 | 16 | static int mov_read_ares(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2294 | { | ||
| 2295 |
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|
16 | if (c->fc->nb_streams >= 1) { |
| 2296 | 16 | AVStream *const st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 2297 | 16 | FFStream *const sti = ffstream(st); | |
| 2298 | 16 | AVCodecParameters *par = st->codecpar; | |
| 2299 | |||
| 2300 |
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|
16 | if (par->codec_tag == MKTAG('A', 'V', 'i', 'n') && |
| 2301 | ✗ | par->codec_id == AV_CODEC_ID_H264 && | |
| 2302 | ✗ | atom.size > 11) { | |
| 2303 | int cid; | ||
| 2304 | ✗ | avio_skip(pb, 10); | |
| 2305 | ✗ | cid = avio_rb16(pb); | |
| 2306 | /* For AVID AVCI50, force width of 1440 to be able to select the correct SPS and PPS */ | ||
| 2307 | ✗ | if (cid == 0xd4d || cid == 0xd4e) | |
| 2308 | ✗ | par->width = 1440; | |
| 2309 | ✗ | return 0; | |
| 2310 |
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|
16 | } else if ((par->codec_tag == MKTAG('A', 'V', 'd', '1') || |
| 2311 |
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|
16 | par->codec_tag == MKTAG('A', 'V', 'j', '2') || |
| 2312 |
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|
16 | par->codec_tag == MKTAG('A', 'V', 'd', 'n')) && |
| 2313 |
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|
13 | atom.size >= 24) { |
| 2314 | int num, den; | ||
| 2315 | 13 | avio_skip(pb, 12); | |
| 2316 | 13 | num = avio_rb32(pb); | |
| 2317 | 13 | den = avio_rb32(pb); | |
| 2318 |
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13 | if (num <= 0 || den <= 0) |
| 2319 | ✗ | return 0; | |
| 2320 |
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|
13 | switch (avio_rb32(pb)) { |
| 2321 | 12 | case 2: | |
| 2322 |
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|
12 | if (den >= INT_MAX / 2) |
| 2323 | ✗ | return 0; | |
| 2324 | 12 | den *= 2; | |
| 2325 | 13 | case 1: | |
| 2326 | 13 | sti->display_aspect_ratio = (AVRational){ num, den }; | |
| 2327 | 13 | default: | |
| 2328 | 13 | return 0; | |
| 2329 | } | ||
| 2330 | } | ||
| 2331 | } | ||
| 2332 | |||
| 2333 | 3 | return mov_read_avid(c, pb, atom); | |
| 2334 | } | ||
| 2335 | |||
| 2336 | 26 | static int mov_read_aclr(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2337 | { | ||
| 2338 | 26 | int ret = 0; | |
| 2339 | 26 | int length = 0; | |
| 2340 | uint64_t original_size; | ||
| 2341 |
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|
26 | if (c->fc->nb_streams >= 1) { |
| 2342 | 26 | AVCodecParameters *par = c->fc->streams[c->fc->nb_streams-1]->codecpar; | |
| 2343 |
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|
26 | if (par->codec_id == AV_CODEC_ID_H264) |
| 2344 | ✗ | return 0; | |
| 2345 |
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|
26 | if (atom.size == 16) { |
| 2346 | 26 | original_size = par->extradata_size; | |
| 2347 | 26 | ret = mov_realloc_extradata(par, atom); | |
| 2348 |
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|
26 | if (!ret) { |
| 2349 | 26 | length = mov_read_atom_into_extradata(c, pb, atom, par, par->extradata + original_size); | |
| 2350 |
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|
26 | if (length == atom.size) { |
| 2351 | 26 | const uint8_t range_value = par->extradata[original_size + 19]; | |
| 2352 |
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|
26 | switch (range_value) { |
| 2353 | 26 | case 1: | |
| 2354 | 26 | par->color_range = AVCOL_RANGE_MPEG; | |
| 2355 | 26 | break; | |
| 2356 | ✗ | case 2: | |
| 2357 | ✗ | par->color_range = AVCOL_RANGE_JPEG; | |
| 2358 | ✗ | break; | |
| 2359 | ✗ | default: | |
| 2360 | ✗ | av_log(c->fc, AV_LOG_WARNING, "ignored unknown aclr value (%d)\n", range_value); | |
| 2361 | ✗ | break; | |
| 2362 | } | ||
| 2363 | ff_dlog(c->fc, "color_range: %d\n", par->color_range); | ||
| 2364 | } else { | ||
| 2365 | /* For some reason the whole atom was not added to the extradata */ | ||
| 2366 | ✗ | av_log(c->fc, AV_LOG_ERROR, "aclr not decoded - incomplete atom\n"); | |
| 2367 | } | ||
| 2368 | } else { | ||
| 2369 | ✗ | av_log(c->fc, AV_LOG_ERROR, "aclr not decoded - unable to add atom to extradata\n"); | |
| 2370 | } | ||
| 2371 | } else { | ||
| 2372 | ✗ | av_log(c->fc, AV_LOG_WARNING, "aclr not decoded - unexpected size %"PRId64"\n", atom.size); | |
| 2373 | } | ||
| 2374 | } | ||
| 2375 | |||
| 2376 | 26 | return ret; | |
| 2377 | } | ||
| 2378 | |||
| 2379 | 4 | static int mov_read_svq3(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2380 | { | ||
| 2381 | 4 | return mov_read_extradata(c, pb, atom, AV_CODEC_ID_SVQ3); | |
| 2382 | } | ||
| 2383 | |||
| 2384 | 34 | static int mov_read_wave(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2385 | { | ||
| 2386 | AVStream *st; | ||
| 2387 | int ret; | ||
| 2388 | |||
| 2389 |
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|
34 | if (c->fc->nb_streams < 1) |
| 2390 | ✗ | return 0; | |
| 2391 | 34 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 2392 | |||
| 2393 |
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|
34 | if ((uint64_t)atom.size > (1<<30)) |
| 2394 | ✗ | return AVERROR_INVALIDDATA; | |
| 2395 | |||
| 2396 |
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34 | if (st->codecpar->codec_id == AV_CODEC_ID_QDM2 || |
| 2397 |
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32 | st->codecpar->codec_id == AV_CODEC_ID_QDMC || |
| 2398 |
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|
32 | st->codecpar->codec_id == AV_CODEC_ID_SPEEX) { |
| 2399 | // pass all frma atom to codec, needed at least for QDMC and QDM2 | ||
| 2400 | 2 | ret = ff_get_extradata(c->fc, st->codecpar, pb, atom.size); | |
| 2401 |
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|
2 | if (ret < 0) |
| 2402 | ✗ | return ret; | |
| 2403 |
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|
32 | } else if (atom.size > 8) { /* to read frma, esds atoms */ |
| 2404 |
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|
32 | if (st->codecpar->codec_id == AV_CODEC_ID_ALAC && atom.size >= 24) { |
| 2405 | uint64_t buffer; | ||
| 2406 | 10 | ret = ffio_ensure_seekback(pb, 8); | |
| 2407 |
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|
10 | if (ret < 0) |
| 2408 | ✗ | return ret; | |
| 2409 | 10 | buffer = avio_rb64(pb); | |
| 2410 | 10 | atom.size -= 8; | |
| 2411 |
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10 | if ( (buffer & 0xFFFFFFFF) == MKBETAG('f','r','m','a') |
| 2412 |
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|
10 | && buffer >> 32 <= atom.size |
| 2413 |
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10 | && buffer >> 32 >= 8) { |
| 2414 | 10 | avio_skip(pb, -8); | |
| 2415 | 10 | atom.size += 8; | |
| 2416 | ✗ | } else if (!st->codecpar->extradata_size) { | |
| 2417 | #define ALAC_EXTRADATA_SIZE 36 | ||
| 2418 | ✗ | st->codecpar->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + AV_INPUT_BUFFER_PADDING_SIZE); | |
| 2419 | ✗ | if (!st->codecpar->extradata) | |
| 2420 | ✗ | return AVERROR(ENOMEM); | |
| 2421 | ✗ | st->codecpar->extradata_size = ALAC_EXTRADATA_SIZE; | |
| 2422 | ✗ | AV_WB32(st->codecpar->extradata , ALAC_EXTRADATA_SIZE); | |
| 2423 | ✗ | AV_WB32(st->codecpar->extradata + 4, MKTAG('a','l','a','c')); | |
| 2424 | ✗ | AV_WB64(st->codecpar->extradata + 12, buffer); | |
| 2425 | ✗ | avio_read(pb, st->codecpar->extradata + 20, 16); | |
| 2426 | ✗ | avio_skip(pb, atom.size - 24); | |
| 2427 | ✗ | return 0; | |
| 2428 | } | ||
| 2429 | } | ||
| 2430 |
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|
32 | if ((ret = mov_read_default(c, pb, atom)) < 0) |
| 2431 | ✗ | return ret; | |
| 2432 | } else | ||
| 2433 | ✗ | avio_skip(pb, atom.size); | |
| 2434 | 34 | return 0; | |
| 2435 | } | ||
| 2436 | |||
| 2437 | /** | ||
| 2438 | * This function reads atom content and puts data in extradata without tag | ||
| 2439 | * nor size unlike mov_read_extradata. | ||
| 2440 | */ | ||
| 2441 | 152 | static int mov_read_glbl(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2442 | { | ||
| 2443 | AVStream *st; | ||
| 2444 | int ret; | ||
| 2445 | |||
| 2446 | 152 | st = get_curr_st(c); | |
| 2447 |
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|
152 | if (!st) |
| 2448 | ✗ | return 0; | |
| 2449 | |||
| 2450 |
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|
152 | if ((uint64_t)atom.size > (1<<30)) |
| 2451 | ✗ | return AVERROR_INVALIDDATA; | |
| 2452 | |||
| 2453 |
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|
152 | if (atom.type == MKTAG('v','v','c','C')) { |
| 2454 | 1 | avio_skip(pb, 4); | |
| 2455 | 1 | atom.size -= 4; | |
| 2456 | } | ||
| 2457 | |||
| 2458 |
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|
152 | if (atom.size >= 10) { |
| 2459 | // Broken files created by legacy versions of libavformat will | ||
| 2460 | // wrap a whole fiel atom inside of a glbl atom. | ||
| 2461 | 148 | unsigned size = avio_rb32(pb); | |
| 2462 | 148 | unsigned type = avio_rl32(pb); | |
| 2463 |
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|
148 | if (avio_feof(pb)) |
| 2464 | ✗ | return AVERROR_INVALIDDATA; | |
| 2465 | 148 | avio_seek(pb, -8, SEEK_CUR); | |
| 2466 |
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|
148 | if (type == MKTAG('f','i','e','l') && size == atom.size) |
| 2467 | 10 | return mov_read_default(c, pb, atom); | |
| 2468 | } | ||
| 2469 |
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|
142 | if (st->codecpar->extradata_size > 1 && st->codecpar->extradata) { |
| 2470 | ✗ | av_log(c->fc, AV_LOG_WARNING, "ignoring multiple glbl\n"); | |
| 2471 | ✗ | return 0; | |
| 2472 | } | ||
| 2473 | 142 | ret = ff_get_extradata(c->fc, st->codecpar, pb, atom.size); | |
| 2474 |
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|
142 | if (ret < 0) |
| 2475 | ✗ | return ret; | |
| 2476 |
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|
142 | if (atom.type == MKTAG('h','v','c','C') && st->codecpar->codec_tag == MKTAG('d','v','h','1')) |
| 2477 | /* HEVC-based Dolby Vision derived from hvc1. | ||
| 2478 | Happens to match with an identifier | ||
| 2479 | previously utilized for DV. Thus, if we have | ||
| 2480 | the hvcC extradata box available as specified, | ||
| 2481 | set codec to HEVC */ | ||
| 2482 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_HEVC; | |
| 2483 | |||
| 2484 | 142 | return 0; | |
| 2485 | } | ||
| 2486 | |||
| 2487 | 2 | static int mov_read_dvc1(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2488 | { | ||
| 2489 | AVStream *st; | ||
| 2490 | uint8_t profile_level; | ||
| 2491 | int ret; | ||
| 2492 | |||
| 2493 |
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|
2 | if (c->fc->nb_streams < 1) |
| 2494 | ✗ | return 0; | |
| 2495 | 2 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 2496 | |||
| 2497 |
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|
2 | if (atom.size >= (1<<28) || atom.size < 7) |
| 2498 | ✗ | return AVERROR_INVALIDDATA; | |
| 2499 | |||
| 2500 | 2 | profile_level = avio_r8(pb); | |
| 2501 |
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|
2 | if ((profile_level & 0xf0) != 0xc0) |
| 2502 | ✗ | return 0; | |
| 2503 | |||
| 2504 | 2 | avio_seek(pb, 6, SEEK_CUR); | |
| 2505 | 2 | ret = ff_get_extradata(c->fc, st->codecpar, pb, atom.size - 7); | |
| 2506 |
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|
2 | if (ret < 0) |
| 2507 | ✗ | return ret; | |
| 2508 | |||
| 2509 | 2 | return 0; | |
| 2510 | } | ||
| 2511 | |||
| 2512 | ✗ | static int mov_read_sbas(MOVContext* c, AVIOContext* pb, MOVAtom atom) | |
| 2513 | { | ||
| 2514 | AVStream* st; | ||
| 2515 | MOVStreamContext* sc; | ||
| 2516 | |||
| 2517 | ✗ | if (c->fc->nb_streams < 1) | |
| 2518 | ✗ | return 0; | |
| 2519 | |||
| 2520 | /* For SBAS this should be fine - though beware if someone implements a | ||
| 2521 | * tref atom processor that doesn't drop down to default then this may | ||
| 2522 | * be lost. */ | ||
| 2523 | ✗ | if (atom.size > 4) { | |
| 2524 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Only a single tref of type sbas is supported\n"); | |
| 2525 | ✗ | return AVERROR_PATCHWELCOME; | |
| 2526 | } | ||
| 2527 | |||
| 2528 | ✗ | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 2529 | ✗ | sc = st->priv_data; | |
| 2530 | ✗ | sc->tref_id = avio_rb32(pb); | |
| 2531 | ✗ | sc->tref_flags |= MOV_TREF_FLAG_ENHANCEMENT; | |
| 2532 | |||
| 2533 | ✗ | return 0; | |
| 2534 | } | ||
| 2535 | |||
| 2536 | /** | ||
| 2537 | * An strf atom is a BITMAPINFOHEADER struct. This struct is 40 bytes itself, | ||
| 2538 | * but can have extradata appended at the end after the 40 bytes belonging | ||
| 2539 | * to the struct. | ||
| 2540 | */ | ||
| 2541 | ✗ | static int mov_read_strf(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2542 | { | ||
| 2543 | AVStream *st; | ||
| 2544 | int ret; | ||
| 2545 | |||
| 2546 | ✗ | if (c->fc->nb_streams < 1) | |
| 2547 | ✗ | return 0; | |
| 2548 | ✗ | if (atom.size <= 40) | |
| 2549 | ✗ | return 0; | |
| 2550 | ✗ | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 2551 | |||
| 2552 | ✗ | if ((uint64_t)atom.size > (1<<30)) | |
| 2553 | ✗ | return AVERROR_INVALIDDATA; | |
| 2554 | |||
| 2555 | ✗ | avio_skip(pb, 40); | |
| 2556 | ✗ | ret = ff_get_extradata(c->fc, st->codecpar, pb, atom.size - 40); | |
| 2557 | ✗ | if (ret < 0) | |
| 2558 | ✗ | return ret; | |
| 2559 | |||
| 2560 | ✗ | return 0; | |
| 2561 | } | ||
| 2562 | |||
| 2563 | 612 | static int mov_read_stco(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 2564 | { | ||
| 2565 | AVStream *st; | ||
| 2566 | MOVStreamContext *sc; | ||
| 2567 | unsigned int i, entries; | ||
| 2568 | |||
| 2569 |
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|
612 | if (c->trak_index < 0) { |
| 2570 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STCO outside TRAK\n"); | |
| 2571 | ✗ | return 0; | |
| 2572 | } | ||
| 2573 |
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|
612 | if (c->fc->nb_streams < 1) |
| 2574 | ✗ | return 0; | |
| 2575 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 2576 | 612 | sc = st->priv_data; | |
| 2577 | |||
| 2578 | 612 | avio_r8(pb); /* version */ | |
| 2579 | 612 | avio_rb24(pb); /* flags */ | |
| 2580 | |||
| 2581 | // Clamp allocation size for `chunk_offsets` -- don't throw an error for an | ||
| 2582 | // invalid count since the EOF path doesn't throw either. | ||
| 2583 | 612 | entries = avio_rb32(pb); | |
| 2584 | 612 | entries = | |
| 2585 |
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|
612 | FFMIN(entries, |
| 2586 | FFMAX(0, (atom.size - 8) / | ||
| 2587 | (atom.type == MKTAG('s', 't', 'c', 'o') ? 4 : 8))); | ||
| 2588 | |||
| 2589 |
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|
612 | if (!entries) |
| 2590 | 25 | return 0; | |
| 2591 | |||
| 2592 |
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|
587 | if (sc->chunk_offsets) { |
| 2593 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicated STCO atom\n"); | |
| 2594 | ✗ | return 0; | |
| 2595 | } | ||
| 2596 | |||
| 2597 | 587 | av_free(sc->chunk_offsets); | |
| 2598 | 587 | sc->chunk_count = 0; | |
| 2599 | 587 | sc->chunk_offsets = av_malloc_array(entries, sizeof(*sc->chunk_offsets)); | |
| 2600 |
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|
587 | if (!sc->chunk_offsets) |
| 2601 | ✗ | return AVERROR(ENOMEM); | |
| 2602 | 587 | sc->chunk_count = entries; | |
| 2603 | |||
| 2604 |
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587 | if (atom.type == MKTAG('s','t','c','o')) |
| 2605 |
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|
43857 | for (i = 0; i < entries && !pb->eof_reached; i++) |
| 2606 | 43274 | sc->chunk_offsets[i] = avio_rb32(pb); | |
| 2607 |
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4 | else if (atom.type == MKTAG('c','o','6','4')) |
| 2608 |
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|
136340 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 2609 | 136336 | sc->chunk_offsets[i] = avio_rb64(pb); | |
| 2610 |
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|
136336 | if (sc->chunk_offsets[i] < 0) { |
| 2611 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Impossible chunk_offset\n"); | |
| 2612 | ✗ | sc->chunk_offsets[i] = 0; | |
| 2613 | } | ||
| 2614 | } | ||
| 2615 | else | ||
| 2616 | ✗ | return AVERROR_INVALIDDATA; | |
| 2617 | |||
| 2618 | 587 | sc->chunk_count = i; | |
| 2619 | |||
| 2620 |
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|
587 | if (pb->eof_reached) { |
| 2621 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted STCO atom\n"); | |
| 2622 | ✗ | return AVERROR_EOF; | |
| 2623 | } | ||
| 2624 | |||
| 2625 | 587 | return 0; | |
| 2626 | } | ||
| 2627 | |||
| 2628 | 659 | static int mov_codec_id(AVStream *st, uint32_t format) | |
| 2629 | { | ||
| 2630 | 659 | int id = ff_codec_get_id(ff_codec_movaudio_tags, format); | |
| 2631 | |||
| 2632 |
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|
659 | if (id <= 0 && |
| 2633 |
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|
437 | ((format & 0xFFFF) == 'm' + ('s' << 8) || |
| 2634 |
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|
434 | (format & 0xFFFF) == 'T' + ('S' << 8))) |
| 2635 | 3 | id = ff_codec_get_id(ff_codec_wav_tags, av_bswap32(format) & 0xFFFF); | |
| 2636 | |||
| 2637 |
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|
659 | if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO && id > 0) { |
| 2638 | 225 | st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; | |
| 2639 |
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|
434 | } else if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO && |
| 2640 | /* skip old ASF MPEG-4 tag */ | ||
| 2641 |
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|
416 | format && format != MKTAG('m','p','4','s')) { |
| 2642 | 412 | id = ff_codec_get_id(ff_codec_movvideo_tags, format); | |
| 2643 |
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|
412 | if (id <= 0) |
| 2644 | 59 | id = ff_codec_get_id(ff_codec_bmp_tags, format); | |
| 2645 |
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|
412 | if (id > 0) |
| 2646 | 357 | st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; | |
| 2647 |
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|
55 | else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA || |
| 2648 |
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|
4 | (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE && |
| 2649 |
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|
1 | st->codecpar->codec_id == AV_CODEC_ID_NONE)) { |
| 2650 | 51 | id = ff_codec_get_id(ff_codec_movsubtitle_tags, format); | |
| 2651 |
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|
51 | if (id <= 0) { |
| 2652 |
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|
86 | id = (format == MOV_MP4_TTML_TAG || format == MOV_ISMV_TTML_TAG) ? |
| 2653 |
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|
86 | AV_CODEC_ID_TTML : id; |
| 2654 | } | ||
| 2655 | |||
| 2656 |
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|
51 | if (id > 0) |
| 2657 | 14 | st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE; | |
| 2658 | else | ||
| 2659 | 37 | id = ff_codec_get_id(ff_codec_movdata_tags, format); | |
| 2660 | } | ||
| 2661 | } | ||
| 2662 | |||
| 2663 | 659 | st->codecpar->codec_tag = format; | |
| 2664 | |||
| 2665 | 659 | return id; | |
| 2666 | } | ||
| 2667 | |||
| 2668 | 326 | static void mov_parse_stsd_video(MOVContext *c, AVIOContext *pb, | |
| 2669 | AVStream *st, MOVStreamContext *sc) | ||
| 2670 | { | ||
| 2671 | 326 | uint8_t codec_name[32] = { 0 }; | |
| 2672 | int64_t stsd_start; | ||
| 2673 | unsigned int len; | ||
| 2674 | 326 | uint32_t id = 0; | |
| 2675 | |||
| 2676 | /* The first 16 bytes of the video sample description are already | ||
| 2677 | * read in ff_mov_read_stsd_entries() */ | ||
| 2678 | 326 | stsd_start = avio_tell(pb) - 16; | |
| 2679 | |||
| 2680 | 326 | avio_rb16(pb); /* version */ | |
| 2681 | 326 | avio_rb16(pb); /* revision level */ | |
| 2682 | 326 | id = avio_rl32(pb); /* vendor */ | |
| 2683 | 326 | av_dict_set(&st->metadata, "vendor_id", av_fourcc2str(id), 0); | |
| 2684 | 326 | avio_rb32(pb); /* temporal quality */ | |
| 2685 | 326 | avio_rb32(pb); /* spatial quality */ | |
| 2686 | |||
| 2687 | 326 | st->codecpar->width = avio_rb16(pb); /* width */ | |
| 2688 | 326 | st->codecpar->height = avio_rb16(pb); /* height */ | |
| 2689 | |||
| 2690 | 326 | avio_rb32(pb); /* horiz resolution */ | |
| 2691 | 326 | avio_rb32(pb); /* vert resolution */ | |
| 2692 | 326 | avio_rb32(pb); /* data size, always 0 */ | |
| 2693 | 326 | avio_rb16(pb); /* frames per samples */ | |
| 2694 | |||
| 2695 | 326 | len = avio_r8(pb); /* codec name, pascal string */ | |
| 2696 |
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|
326 | if (len > 31) |
| 2697 | 1 | len = 31; | |
| 2698 | 326 | mov_read_mac_string(c, pb, len, codec_name, sizeof(codec_name)); | |
| 2699 |
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|
326 | if (len < 31) |
| 2700 | 323 | avio_skip(pb, 31 - len); | |
| 2701 | |||
| 2702 |
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|
326 | if (codec_name[0]) |
| 2703 | 259 | av_dict_set(&st->metadata, "encoder", codec_name, 0); | |
| 2704 | |||
| 2705 | /* codec_tag YV12 triggers an UV swap in rawdec.c */ | ||
| 2706 |
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|
326 | if (!strncmp(codec_name, "Planar Y'CbCr 8-bit 4:2:0", 25)) { |
| 2707 | ✗ | st->codecpar->codec_tag = MKTAG('I', '4', '2', '0'); | |
| 2708 | ✗ | st->codecpar->width &= ~1; | |
| 2709 | ✗ | st->codecpar->height &= ~1; | |
| 2710 | } | ||
| 2711 | /* Flash Media Server uses tag H.263 with Sorenson Spark */ | ||
| 2712 |
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|
326 | if (st->codecpar->codec_tag == MKTAG('H','2','6','3') && |
| 2713 | ✗ | !strncmp(codec_name, "Sorenson H263", 13)) | |
| 2714 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_FLV1; | |
| 2715 | |||
| 2716 | 326 | st->codecpar->bits_per_coded_sample = avio_rb16(pb); /* depth */ | |
| 2717 | |||
| 2718 | 326 | avio_seek(pb, stsd_start, SEEK_SET); | |
| 2719 | |||
| 2720 |
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|
326 | if (ff_get_qtpalette(st->codecpar->codec_id, pb, sc->palette)) { |
| 2721 | 18 | st->codecpar->bits_per_coded_sample &= 0x1F; | |
| 2722 | 18 | sc->has_palette = 1; | |
| 2723 | } | ||
| 2724 | 326 | } | |
| 2725 | |||
| 2726 | 243 | static void mov_parse_stsd_audio(MOVContext *c, AVIOContext *pb, | |
| 2727 | AVStream *st, MOVStreamContext *sc) | ||
| 2728 | { | ||
| 2729 | int bits_per_sample, flags; | ||
| 2730 | 243 | uint16_t version = avio_rb16(pb); | |
| 2731 | 243 | uint32_t id = 0; | |
| 2732 | 243 | AVDictionaryEntry *compatible_brands = av_dict_get(c->fc->metadata, "compatible_brands", NULL, AV_DICT_MATCH_CASE); | |
| 2733 | int channel_count; | ||
| 2734 | |||
| 2735 | 243 | avio_rb16(pb); /* revision level */ | |
| 2736 | 243 | id = avio_rl32(pb); /* vendor */ | |
| 2737 | 243 | av_dict_set(&st->metadata, "vendor_id", av_fourcc2str(id), 0); | |
| 2738 | |||
| 2739 | 243 | channel_count = avio_rb16(pb); | |
| 2740 | |||
| 2741 | 243 | st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC; | |
| 2742 | 243 | st->codecpar->ch_layout.nb_channels = channel_count; | |
| 2743 | 243 | st->codecpar->bits_per_coded_sample = avio_rb16(pb); /* sample size */ | |
| 2744 | 243 | av_log(c->fc, AV_LOG_TRACE, "audio channels %d\n", channel_count); | |
| 2745 | |||
| 2746 | 243 | sc->audio_cid = avio_rb16(pb); | |
| 2747 | 243 | avio_rb16(pb); /* packet size = 0 */ | |
| 2748 | |||
| 2749 | 243 | st->codecpar->sample_rate = ((avio_rb32(pb) >> 16)); | |
| 2750 | |||
| 2751 | // Read QT version 1 fields. In version 0 these do not exist. | ||
| 2752 | 243 | av_log(c->fc, AV_LOG_TRACE, "version =%d, isom =%d\n", version, c->isom); | |
| 2753 |
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243 | if (!c->isom || |
| 2754 |
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157 | (compatible_brands && strstr(compatible_brands->value, "qt ")) || |
| 2755 |
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157 | (sc->stsd_version == 0 && version > 0)) { |
| 2756 |
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|
90 | if (version == 1) { |
| 2757 | 50 | sc->samples_per_frame = avio_rb32(pb); | |
| 2758 | 50 | avio_rb32(pb); /* bytes per packet */ | |
| 2759 | 50 | sc->bytes_per_frame = avio_rb32(pb); | |
| 2760 | 50 | avio_rb32(pb); /* bytes per sample */ | |
| 2761 |
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|
40 | } else if (version == 2) { |
| 2762 | 4 | avio_rb32(pb); /* sizeof struct only */ | |
| 2763 | 4 | st->codecpar->sample_rate = av_int2double(avio_rb64(pb)); | |
| 2764 | 4 | channel_count = avio_rb32(pb); | |
| 2765 | 4 | st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC; | |
| 2766 | 4 | st->codecpar->ch_layout.nb_channels = channel_count; | |
| 2767 | 4 | avio_rb32(pb); /* always 0x7F000000 */ | |
| 2768 | 4 | st->codecpar->bits_per_coded_sample = avio_rb32(pb); | |
| 2769 | |||
| 2770 | 4 | flags = avio_rb32(pb); /* lpcm format specific flag */ | |
| 2771 | 4 | sc->bytes_per_frame = avio_rb32(pb); | |
| 2772 | 4 | sc->samples_per_frame = avio_rb32(pb); | |
| 2773 |
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|
4 | if (st->codecpar->codec_tag == MKTAG('l','p','c','m')) |
| 2774 | ✗ | st->codecpar->codec_id = | |
| 2775 | ✗ | ff_mov_get_lpcm_codec_id(st->codecpar->bits_per_coded_sample, | |
| 2776 | flags); | ||
| 2777 | } | ||
| 2778 |
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|
90 | if (version == 0 || (version == 1 && sc->audio_cid != -2)) { |
| 2779 | /* can't correctly handle variable sized packet as audio unit */ | ||
| 2780 |
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|
60 | switch (st->codecpar->codec_id) { |
| 2781 | ✗ | case AV_CODEC_ID_MP2: | |
| 2782 | case AV_CODEC_ID_MP3: | ||
| 2783 | ✗ | ffstream(st)->need_parsing = AVSTREAM_PARSE_FULL; | |
| 2784 | ✗ | break; | |
| 2785 | } | ||
| 2786 | } | ||
| 2787 | } | ||
| 2788 | |||
| 2789 |
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|
243 | if (sc->format == 0) { |
| 2790 | ✗ | if (st->codecpar->bits_per_coded_sample == 8) | |
| 2791 | ✗ | st->codecpar->codec_id = mov_codec_id(st, MKTAG('r','a','w',' ')); | |
| 2792 | ✗ | else if (st->codecpar->bits_per_coded_sample == 16) | |
| 2793 | ✗ | st->codecpar->codec_id = mov_codec_id(st, MKTAG('t','w','o','s')); | |
| 2794 | } | ||
| 2795 | |||
| 2796 |
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|
243 | switch (st->codecpar->codec_id) { |
| 2797 | 7 | case AV_CODEC_ID_PCM_S8: | |
| 2798 | case AV_CODEC_ID_PCM_U8: | ||
| 2799 |
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|
7 | if (st->codecpar->bits_per_coded_sample == 16) |
| 2800 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_S16BE; | |
| 2801 | 7 | break; | |
| 2802 | 19 | case AV_CODEC_ID_PCM_S16LE: | |
| 2803 | case AV_CODEC_ID_PCM_S16BE: | ||
| 2804 |
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|
19 | if (st->codecpar->bits_per_coded_sample == 8) |
| 2805 | 2 | st->codecpar->codec_id = AV_CODEC_ID_PCM_S8; | |
| 2806 |
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|
17 | else if (st->codecpar->bits_per_coded_sample == 24) |
| 2807 | ✗ | st->codecpar->codec_id = | |
| 2808 | ✗ | st->codecpar->codec_id == AV_CODEC_ID_PCM_S16BE ? | |
| 2809 | ✗ | AV_CODEC_ID_PCM_S24BE : AV_CODEC_ID_PCM_S24LE; | |
| 2810 |
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|
17 | else if (st->codecpar->bits_per_coded_sample == 32) |
| 2811 | ✗ | st->codecpar->codec_id = | |
| 2812 | ✗ | st->codecpar->codec_id == AV_CODEC_ID_PCM_S16BE ? | |
| 2813 | ✗ | AV_CODEC_ID_PCM_S32BE : AV_CODEC_ID_PCM_S32LE; | |
| 2814 | 19 | break; | |
| 2815 | /* set values for old format before stsd version 1 appeared */ | ||
| 2816 | 2 | case AV_CODEC_ID_MACE3: | |
| 2817 | 2 | sc->samples_per_frame = 6; | |
| 2818 | 2 | sc->bytes_per_frame = 2 * st->codecpar->ch_layout.nb_channels; | |
| 2819 | 2 | break; | |
| 2820 | 8 | case AV_CODEC_ID_MACE6: | |
| 2821 | 8 | sc->samples_per_frame = 6; | |
| 2822 | 8 | sc->bytes_per_frame = 1 * st->codecpar->ch_layout.nb_channels; | |
| 2823 | 8 | break; | |
| 2824 | 5 | case AV_CODEC_ID_ADPCM_IMA_QT: | |
| 2825 | 5 | sc->samples_per_frame = 64; | |
| 2826 | 5 | sc->bytes_per_frame = 34 * st->codecpar->ch_layout.nb_channels; | |
| 2827 | 5 | break; | |
| 2828 | 1 | case AV_CODEC_ID_GSM: | |
| 2829 | 1 | sc->samples_per_frame = 160; | |
| 2830 | 1 | sc->bytes_per_frame = 33; | |
| 2831 | 1 | break; | |
| 2832 | 201 | default: | |
| 2833 | 201 | break; | |
| 2834 | } | ||
| 2835 | |||
| 2836 | 243 | bits_per_sample = av_get_bits_per_sample(st->codecpar->codec_id); | |
| 2837 |
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|
243 | if (bits_per_sample && (bits_per_sample >> 3) * (uint64_t)st->codecpar->ch_layout.nb_channels <= INT_MAX) { |
| 2838 | 48 | st->codecpar->bits_per_coded_sample = bits_per_sample; | |
| 2839 | 48 | sc->sample_size = (bits_per_sample >> 3) * st->codecpar->ch_layout.nb_channels; | |
| 2840 | } | ||
| 2841 | 243 | } | |
| 2842 | |||
| 2843 | 15 | static void mov_parse_stsd_subtitle(MOVContext *c, AVIOContext *pb, | |
| 2844 | AVStream *st, MOVStreamContext *sc, | ||
| 2845 | int64_t size) | ||
| 2846 | { | ||
| 2847 | // ttxt stsd contains display flags, justification, background | ||
| 2848 | // color, fonts, and default styles, so fake an atom to read it | ||
| 2849 | 15 | MOVAtom fake_atom = { .size = size }; | |
| 2850 | // mp4s contains a regular esds atom, dfxp ISMV TTML has no content | ||
| 2851 | // in extradata unlike stpp MP4 TTML. | ||
| 2852 |
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|
15 | if (st->codecpar->codec_tag != AV_RL32("mp4s") && |
| 2853 |
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|
15 | st->codecpar->codec_tag != MOV_ISMV_TTML_TAG) |
| 2854 | 11 | mov_read_glbl(c, pb, fake_atom); | |
| 2855 | 15 | st->codecpar->width = sc->width; | |
| 2856 | 15 | st->codecpar->height = sc->height; | |
| 2857 | 15 | } | |
| 2858 | |||
| 2859 | 41 | static int mov_parse_stsd_data(MOVContext *c, AVIOContext *pb, | |
| 2860 | AVStream *st, MOVStreamContext *sc, | ||
| 2861 | int64_t size) | ||
| 2862 | { | ||
| 2863 | int ret; | ||
| 2864 | |||
| 2865 |
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|
41 | if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) { |
| 2866 |
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|
19 | if ((int)size != size) |
| 2867 | ✗ | return AVERROR(ENOMEM); | |
| 2868 | |||
| 2869 | 19 | ret = ff_get_extradata(c->fc, st->codecpar, pb, size); | |
| 2870 |
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|
19 | if (ret < 0) |
| 2871 | ✗ | return ret; | |
| 2872 |
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|
19 | if (size > 16) { |
| 2873 | 19 | MOVStreamContext *tmcd_ctx = st->priv_data; | |
| 2874 | int val; | ||
| 2875 | 19 | val = AV_RB32(st->codecpar->extradata + 4); | |
| 2876 | 19 | tmcd_ctx->tmcd_flags = val; | |
| 2877 | 19 | st->avg_frame_rate.num = AV_RB32(st->codecpar->extradata + 8); /* timescale */ | |
| 2878 | 19 | st->avg_frame_rate.den = AV_RB32(st->codecpar->extradata + 12); /* frameDuration */ | |
| 2879 | 19 | tmcd_ctx->tmcd_nb_frames = st->codecpar->extradata[16]; /* number of frames */ | |
| 2880 |
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|
19 | if (size > 30) { |
| 2881 | 4 | uint32_t len = AV_RB32(st->codecpar->extradata + 18); /* name atom length */ | |
| 2882 | 4 | uint32_t format = AV_RB32(st->codecpar->extradata + 22); | |
| 2883 |
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|
4 | if (format == AV_RB32("name") && (int64_t)size >= (int64_t)len + 18) { |
| 2884 | 4 | uint16_t str_size = AV_RB16(st->codecpar->extradata + 26); /* string length */ | |
| 2885 |
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4 | if (str_size > 0 && size >= (int)str_size + 30 && |
| 2886 |
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|
4 | st->codecpar->extradata[30] /* Don't add empty string */) { |
| 2887 | 4 | char *reel_name = av_malloc(str_size + 1); | |
| 2888 |
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|
4 | if (!reel_name) |
| 2889 | ✗ | return AVERROR(ENOMEM); | |
| 2890 | 4 | memcpy(reel_name, st->codecpar->extradata + 30, str_size); | |
| 2891 | 4 | reel_name[str_size] = 0; /* Add null terminator */ | |
| 2892 | 4 | av_dict_set(&st->metadata, "reel_name", reel_name, | |
| 2893 | AV_DICT_DONT_STRDUP_VAL); | ||
| 2894 | } | ||
| 2895 | } | ||
| 2896 | } | ||
| 2897 | } | ||
| 2898 | } else { | ||
| 2899 | /* other codec type, just skip (rtp, mp4s ...) */ | ||
| 2900 | 22 | avio_skip(pb, size); | |
| 2901 | } | ||
| 2902 | 41 | return 0; | |
| 2903 | } | ||
| 2904 | |||
| 2905 | 612 | static int mov_finalize_stsd_codec(MOVContext *c, AVIOContext *pb, | |
| 2906 | AVStream *st, MOVStreamContext *sc) | ||
| 2907 | { | ||
| 2908 | 612 | FFStream *const sti = ffstream(st); | |
| 2909 | |||
| 2910 |
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|
612 | if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && |
| 2911 |
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|
243 | !st->codecpar->sample_rate && sc->time_scale > 1) |
| 2912 | ✗ | st->codecpar->sample_rate = sc->time_scale; | |
| 2913 | |||
| 2914 | /* special codec parameters handling */ | ||
| 2915 |
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|
612 | switch (st->codecpar->codec_id) { |
| 2916 | #if CONFIG_DV_DEMUXER | ||
| 2917 | ✗ | case AV_CODEC_ID_DVAUDIO: | |
| 2918 | ✗ | if (c->dv_fctx) { | |
| 2919 | ✗ | avpriv_request_sample(c->fc, "multiple DV audio streams"); | |
| 2920 | ✗ | return AVERROR(ENOSYS); | |
| 2921 | } | ||
| 2922 | |||
| 2923 | ✗ | c->dv_fctx = avformat_alloc_context(); | |
| 2924 | ✗ | if (!c->dv_fctx) { | |
| 2925 | ✗ | av_log(c->fc, AV_LOG_ERROR, "dv demux context alloc error\n"); | |
| 2926 | ✗ | return AVERROR(ENOMEM); | |
| 2927 | } | ||
| 2928 | ✗ | c->dv_demux = avpriv_dv_init_demux(c->dv_fctx); | |
| 2929 | ✗ | if (!c->dv_demux) { | |
| 2930 | ✗ | av_log(c->fc, AV_LOG_ERROR, "dv demux context init error\n"); | |
| 2931 | ✗ | return AVERROR(ENOMEM); | |
| 2932 | } | ||
| 2933 | ✗ | sc->dv_audio_container = 1; | |
| 2934 | ✗ | st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE; | |
| 2935 | ✗ | break; | |
| 2936 | #endif | ||
| 2937 | /* no ifdef since parameters are always those */ | ||
| 2938 | ✗ | case AV_CODEC_ID_QCELP: | |
| 2939 | ✗ | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 2940 | ✗ | st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO; | |
| 2941 | // force sample rate for qcelp when not stored in mov | ||
| 2942 | ✗ | if (st->codecpar->codec_tag != MKTAG('Q','c','l','p')) | |
| 2943 | ✗ | st->codecpar->sample_rate = 8000; | |
| 2944 | // FIXME: Why is the following needed for some files? | ||
| 2945 | ✗ | sc->samples_per_frame = 160; | |
| 2946 | ✗ | if (!sc->bytes_per_frame) | |
| 2947 | ✗ | sc->bytes_per_frame = 35; | |
| 2948 | ✗ | break; | |
| 2949 | ✗ | case AV_CODEC_ID_AMR_NB: | |
| 2950 | ✗ | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 2951 | ✗ | st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO; | |
| 2952 | /* force sample rate for amr, stsd in 3gp does not store sample rate */ | ||
| 2953 | ✗ | st->codecpar->sample_rate = 8000; | |
| 2954 | ✗ | break; | |
| 2955 | 11 | case AV_CODEC_ID_AMR_WB: | |
| 2956 | 11 | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 2957 | 11 | st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO; | |
| 2958 | 11 | st->codecpar->sample_rate = 16000; | |
| 2959 | 11 | break; | |
| 2960 | 1 | case AV_CODEC_ID_MP2: | |
| 2961 | case AV_CODEC_ID_MP3: | ||
| 2962 | /* force type after stsd for m1a hdlr */ | ||
| 2963 | 1 | st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; | |
| 2964 | 1 | break; | |
| 2965 | 15 | case AV_CODEC_ID_GSM: | |
| 2966 | case AV_CODEC_ID_ADPCM_MS: | ||
| 2967 | case AV_CODEC_ID_ADPCM_IMA_WAV: | ||
| 2968 | case AV_CODEC_ID_ILBC: | ||
| 2969 | case AV_CODEC_ID_MACE3: | ||
| 2970 | case AV_CODEC_ID_MACE6: | ||
| 2971 | case AV_CODEC_ID_QDM2: | ||
| 2972 | 15 | st->codecpar->block_align = sc->bytes_per_frame; | |
| 2973 | 15 | break; | |
| 2974 | 16 | case AV_CODEC_ID_ALAC: | |
| 2975 |
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|
16 | if (st->codecpar->extradata_size == 36) { |
| 2976 | 16 | int channel_count = AV_RB8(st->codecpar->extradata + 21); | |
| 2977 |
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|
16 | if (st->codecpar->ch_layout.nb_channels != channel_count) { |
| 2978 | ✗ | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 2979 | ✗ | st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC; | |
| 2980 | ✗ | st->codecpar->ch_layout.nb_channels = channel_count; | |
| 2981 | } | ||
| 2982 | 16 | st->codecpar->sample_rate = AV_RB32(st->codecpar->extradata + 32); | |
| 2983 | } | ||
| 2984 | 16 | break; | |
| 2985 | 10 | case AV_CODEC_ID_AC3: | |
| 2986 | case AV_CODEC_ID_EAC3: | ||
| 2987 | case AV_CODEC_ID_MPEG1VIDEO: | ||
| 2988 | case AV_CODEC_ID_VC1: | ||
| 2989 | case AV_CODEC_ID_VP8: | ||
| 2990 | case AV_CODEC_ID_VP9: | ||
| 2991 | 10 | sti->need_parsing = AVSTREAM_PARSE_FULL; | |
| 2992 | 10 | break; | |
| 2993 | 101 | case AV_CODEC_ID_PRORES_RAW: | |
| 2994 | case AV_CODEC_ID_PRORES: | ||
| 2995 | case AV_CODEC_ID_APV: | ||
| 2996 | case AV_CODEC_ID_EVC: | ||
| 2997 | case AV_CODEC_ID_AV1: | ||
| 2998 | /* field_order detection of H264 requires parsing */ | ||
| 2999 | case AV_CODEC_ID_H264: | ||
| 3000 | 101 | sti->need_parsing = AVSTREAM_PARSE_HEADERS; | |
| 3001 | 101 | break; | |
| 3002 | 458 | default: | |
| 3003 | 458 | break; | |
| 3004 | } | ||
| 3005 | 612 | return 0; | |
| 3006 | } | ||
| 3007 | |||
| 3008 | 625 | static int mov_skip_multiple_stsd(MOVContext *c, AVIOContext *pb, | |
| 3009 | int codec_tag, int format, | ||
| 3010 | int64_t size) | ||
| 3011 | { | ||
| 3012 |
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|
625 | if (codec_tag && |
| 3013 | ✗ | (codec_tag != format && | |
| 3014 | // AVID 1:1 samples with differing data format and codec tag exist | ||
| 3015 | ✗ | (codec_tag != AV_RL32("AV1x") || format != AV_RL32("AVup")) && | |
| 3016 | // prores is allowed to have differing data format and codec tag | ||
| 3017 | ✗ | codec_tag != AV_RL32("apcn") && codec_tag != AV_RL32("apch") && | |
| 3018 | // so is dv (sigh) | ||
| 3019 | ✗ | codec_tag != AV_RL32("dvpp") && codec_tag != AV_RL32("dvcp") && | |
| 3020 | ✗ | (c->fc->video_codec_id ? ff_codec_get_id(ff_codec_movvideo_tags, format) != c->fc->video_codec_id | |
| 3021 | : codec_tag != MKTAG('j','p','e','g')))) { | ||
| 3022 | /* Multiple fourcc, we skip JPEG. This is not correct, we should | ||
| 3023 | * export it as a separate AVStream but this needs a few changes | ||
| 3024 | * in the MOV demuxer, patch welcome. */ | ||
| 3025 | |||
| 3026 | ✗ | av_log(c->fc, AV_LOG_WARNING, "multiple fourcc not supported\n"); | |
| 3027 | ✗ | avio_skip(pb, size); | |
| 3028 | ✗ | return 1; | |
| 3029 | } | ||
| 3030 | |||
| 3031 | 625 | return 0; | |
| 3032 | } | ||
| 3033 | |||
| 3034 | 625 | static int mov_finalize_stsd_entry(MOVContext *c, AVStream *st) | |
| 3035 | { | ||
| 3036 | int ret; | ||
| 3037 | |||
| 3038 | /* special codec parameters handling */ | ||
| 3039 |
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|
625 | switch (st->codecpar->codec_id) { |
| 3040 | 75 | case AV_CODEC_ID_H264: | |
| 3041 | // done for ai5q, ai52, ai55, ai1q, ai12 and ai15. | ||
| 3042 |
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|
75 | if (!st->codecpar->extradata_size && TAG_IS_AVCI(st->codecpar->codec_tag)) { |
| 3043 | ✗ | ret = ff_generate_avci_extradata(st); | |
| 3044 | ✗ | if (ret < 0) | |
| 3045 | ✗ | return ret; | |
| 3046 | } | ||
| 3047 | 75 | break; | |
| 3048 | 550 | default: | |
| 3049 | 550 | break; | |
| 3050 | } | ||
| 3051 | |||
| 3052 | 625 | return 0; | |
| 3053 | } | ||
| 3054 | |||
| 3055 | 612 | int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries) | |
| 3056 | { | ||
| 3057 | AVStream *st; | ||
| 3058 | MOVStreamContext *sc; | ||
| 3059 | int pseudo_stream_id; | ||
| 3060 | |||
| 3061 |
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|
612 | av_assert0 (c->fc->nb_streams >= 1); |
| 3062 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3063 | 612 | sc = st->priv_data; | |
| 3064 | |||
| 3065 | 612 | for (pseudo_stream_id = 0; | |
| 3066 |
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|
1237 | pseudo_stream_id < entries && !pb->eof_reached; |
| 3067 | 625 | pseudo_stream_id++) { | |
| 3068 | //Parsing Sample description table | ||
| 3069 | enum AVCodecID id; | ||
| 3070 | 625 | int ret, dref_id = 1; | |
| 3071 | 625 | MOVAtom a = { AV_RL32("stsd") }; | |
| 3072 | 625 | int64_t start_pos = avio_tell(pb); | |
| 3073 | 625 | int64_t size = avio_rb32(pb); /* size */ | |
| 3074 | 625 | uint32_t format = avio_rl32(pb); /* data format */ | |
| 3075 | |||
| 3076 |
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|
625 | if (size >= 16) { |
| 3077 | 625 | avio_rb32(pb); /* reserved */ | |
| 3078 | 625 | avio_rb16(pb); /* reserved */ | |
| 3079 | 625 | dref_id = avio_rb16(pb); | |
| 3080 | ✗ | } else if (size <= 7) { | |
| 3081 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 3082 | "invalid size %"PRId64" in stsd\n", size); | ||
| 3083 | ✗ | return AVERROR_INVALIDDATA; | |
| 3084 | } | ||
| 3085 | |||
| 3086 |
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✓ Branch 1 taken 625 times.
|
625 | if (mov_skip_multiple_stsd(c, pb, st->codecpar->codec_tag, format, |
| 3087 | 625 | size - (avio_tell(pb) - start_pos))) { | |
| 3088 | ✗ | sc->stsd_count++; | |
| 3089 | ✗ | continue; | |
| 3090 | } | ||
| 3091 | |||
| 3092 |
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|
625 | sc->pseudo_stream_id = st->codecpar->codec_tag ? -1 : pseudo_stream_id; |
| 3093 | 625 | sc->dref_id= dref_id; | |
| 3094 | 625 | sc->format = format; | |
| 3095 | |||
| 3096 | 625 | id = mov_codec_id(st, format); | |
| 3097 | |||
| 3098 | 625 | av_log(c->fc, AV_LOG_TRACE, | |
| 3099 | "size=%"PRId64" 4CC=%s codec_type=%d\n", size, | ||
| 3100 | 625 | av_fourcc2str(format), st->codecpar->codec_type); | |
| 3101 | |||
| 3102 | 625 | st->codecpar->codec_id = id; | |
| 3103 |
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|
625 | if (st->codecpar->codec_type==AVMEDIA_TYPE_VIDEO) { |
| 3104 | 326 | mov_parse_stsd_video(c, pb, st, sc); | |
| 3105 |
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|
299 | } else if (st->codecpar->codec_type==AVMEDIA_TYPE_AUDIO) { |
| 3106 | 243 | mov_parse_stsd_audio(c, pb, st, sc); | |
| 3107 |
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✓ Branch 1 taken 243 times.
|
243 | if (st->codecpar->sample_rate < 0) { |
| 3108 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid sample rate %d\n", st->codecpar->sample_rate); | |
| 3109 | ✗ | return AVERROR_INVALIDDATA; | |
| 3110 | } | ||
| 3111 |
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|
243 | if (st->codecpar->ch_layout.nb_channels < 0) { |
| 3112 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid channels %d\n", st->codecpar->ch_layout.nb_channels); | |
| 3113 | ✗ | return AVERROR_INVALIDDATA; | |
| 3114 | } | ||
| 3115 |
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|
56 | } else if (st->codecpar->codec_type==AVMEDIA_TYPE_SUBTITLE){ |
| 3116 | 15 | mov_parse_stsd_subtitle(c, pb, st, sc, | |
| 3117 | 15 | size - (avio_tell(pb) - start_pos)); | |
| 3118 | } else { | ||
| 3119 | 41 | ret = mov_parse_stsd_data(c, pb, st, sc, | |
| 3120 | 41 | size - (avio_tell(pb) - start_pos)); | |
| 3121 |
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|
41 | if (ret < 0) |
| 3122 | ✗ | return ret; | |
| 3123 | } | ||
| 3124 | /* this will read extra atoms at the end (wave, alac, damr, avcC, hvcC, SMI ...) */ | ||
| 3125 | 625 | a.size = size - (avio_tell(pb) - start_pos); | |
| 3126 |
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|
625 | if (a.size > 8) { |
| 3127 |
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|
490 | if ((ret = mov_read_default(c, pb, a)) < 0) |
| 3128 | ✗ | return ret; | |
| 3129 |
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|
135 | } else if (a.size > 0) |
| 3130 | 1 | avio_skip(pb, a.size); | |
| 3131 | |||
| 3132 | 625 | ret = mov_finalize_stsd_entry(c, st); | |
| 3133 |
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✓ Branch 1 taken 625 times.
|
625 | if (ret < 0) |
| 3134 | ✗ | return ret; | |
| 3135 | |||
| 3136 |
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|
625 | if (sc->extradata && st->codecpar->extradata) { |
| 3137 | 350 | int extra_size = st->codecpar->extradata_size; | |
| 3138 | |||
| 3139 | /* Move the current stream extradata to the stream context one. */ | ||
| 3140 | 350 | sc->extradata_size[pseudo_stream_id] = extra_size; | |
| 3141 | 350 | sc->extradata[pseudo_stream_id] = st->codecpar->extradata; | |
| 3142 | 350 | st->codecpar->extradata = NULL; | |
| 3143 | 350 | st->codecpar->extradata_size = 0; | |
| 3144 | } | ||
| 3145 | 625 | sc->stsd_count++; | |
| 3146 | } | ||
| 3147 | |||
| 3148 |
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|
612 | if (pb->eof_reached) { |
| 3149 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted STSD atom\n"); | |
| 3150 | ✗ | return AVERROR_EOF; | |
| 3151 | } | ||
| 3152 | |||
| 3153 | 612 | return 0; | |
| 3154 | } | ||
| 3155 | |||
| 3156 | 612 | static int mov_read_stsd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3157 | { | ||
| 3158 | AVStream *st; | ||
| 3159 | MOVStreamContext *sc; | ||
| 3160 | int ret, entries; | ||
| 3161 | |||
| 3162 |
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✓ Branch 1 taken 612 times.
|
612 | if (c->fc->nb_streams < 1) |
| 3163 | ✗ | return 0; | |
| 3164 | 612 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 3165 | 612 | sc = st->priv_data; | |
| 3166 | |||
| 3167 | 612 | sc->stsd_version = avio_r8(pb); | |
| 3168 | 612 | avio_rb24(pb); /* flags */ | |
| 3169 | 612 | entries = avio_rb32(pb); | |
| 3170 | |||
| 3171 | /* Each entry contains a size (4 bytes) and format (4 bytes). */ | ||
| 3172 |
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|
612 | if (entries <= 0 || entries > atom.size / 8 || entries > 1024) { |
| 3173 | ✗ | av_log(c->fc, AV_LOG_ERROR, "invalid STSD entries %d\n", entries); | |
| 3174 | ✗ | return AVERROR_INVALIDDATA; | |
| 3175 | } | ||
| 3176 | |||
| 3177 |
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|
612 | if (sc->extradata) { |
| 3178 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 3179 | "Duplicate stsd found in this track.\n"); | ||
| 3180 | ✗ | return AVERROR_INVALIDDATA; | |
| 3181 | } | ||
| 3182 | |||
| 3183 | /* Prepare space for hosting multiple extradata. */ | ||
| 3184 | 612 | sc->extradata = av_calloc(entries, sizeof(*sc->extradata)); | |
| 3185 |
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✓ Branch 1 taken 612 times.
|
612 | if (!sc->extradata) |
| 3186 | ✗ | return AVERROR(ENOMEM); | |
| 3187 | |||
| 3188 | 612 | sc->extradata_size = av_calloc(entries, sizeof(*sc->extradata_size)); | |
| 3189 |
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✓ Branch 1 taken 612 times.
|
612 | if (!sc->extradata_size) { |
| 3190 | ✗ | ret = AVERROR(ENOMEM); | |
| 3191 | ✗ | goto fail; | |
| 3192 | } | ||
| 3193 | |||
| 3194 | 612 | ret = ff_mov_read_stsd_entries(c, pb, entries); | |
| 3195 |
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✓ Branch 1 taken 612 times.
|
612 | if (ret < 0) |
| 3196 | ✗ | goto fail; | |
| 3197 | |||
| 3198 | /* Restore back the primary extradata. */ | ||
| 3199 | 612 | av_freep(&st->codecpar->extradata); | |
| 3200 | 612 | st->codecpar->extradata_size = sc->extradata_size[0]; | |
| 3201 |
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✓ Branch 1 taken 274 times.
|
612 | if (sc->extradata_size[0]) { |
| 3202 | 338 | st->codecpar->extradata = av_mallocz(sc->extradata_size[0] + AV_INPUT_BUFFER_PADDING_SIZE); | |
| 3203 |
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✓ Branch 1 taken 338 times.
|
338 | if (!st->codecpar->extradata) |
| 3204 | ✗ | return AVERROR(ENOMEM); | |
| 3205 | 338 | memcpy(st->codecpar->extradata, sc->extradata[0], sc->extradata_size[0]); | |
| 3206 | } | ||
| 3207 | |||
| 3208 | 612 | return mov_finalize_stsd_codec(c, pb, st, sc); | |
| 3209 | ✗ | fail: | |
| 3210 | ✗ | if (sc->extradata) { | |
| 3211 | int j; | ||
| 3212 | ✗ | for (j = 0; j < sc->stsd_count; j++) | |
| 3213 | ✗ | av_freep(&sc->extradata[j]); | |
| 3214 | } | ||
| 3215 | |||
| 3216 | ✗ | av_freep(&sc->extradata); | |
| 3217 | ✗ | av_freep(&sc->extradata_size); | |
| 3218 | ✗ | return ret; | |
| 3219 | } | ||
| 3220 | |||
| 3221 | 612 | static int mov_read_stsc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3222 | { | ||
| 3223 | AVStream *st; | ||
| 3224 | MOVStreamContext *sc; | ||
| 3225 | unsigned int i, entries; | ||
| 3226 | |||
| 3227 |
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|
612 | if (c->trak_index < 0) { |
| 3228 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STSC outside TRAK\n"); | |
| 3229 | ✗ | return 0; | |
| 3230 | } | ||
| 3231 | |||
| 3232 |
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|
612 | if (c->fc->nb_streams < 1) |
| 3233 | ✗ | return 0; | |
| 3234 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3235 | 612 | sc = st->priv_data; | |
| 3236 | |||
| 3237 | 612 | avio_r8(pb); /* version */ | |
| 3238 | 612 | avio_rb24(pb); /* flags */ | |
| 3239 | |||
| 3240 | 612 | entries = avio_rb32(pb); | |
| 3241 |
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✓ Branch 1 taken 612 times.
|
612 | if ((uint64_t)entries * 12 + 4 > atom.size) |
| 3242 | ✗ | return AVERROR_INVALIDDATA; | |
| 3243 | |||
| 3244 | 612 | av_log(c->fc, AV_LOG_TRACE, "track[%u].stsc.entries = %u\n", c->fc->nb_streams - 1, entries); | |
| 3245 | |||
| 3246 |
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|
612 | if (!entries) |
| 3247 | 24 | return 0; | |
| 3248 |
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|
588 | if (sc->stsc_data) { |
| 3249 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicated STSC atom\n"); | |
| 3250 | ✗ | return 0; | |
| 3251 | } | ||
| 3252 | 588 | av_free(sc->stsc_data); | |
| 3253 | 588 | sc->stsc_count = 0; | |
| 3254 | 588 | sc->stsc_data = av_malloc_array(entries, sizeof(*sc->stsc_data)); | |
| 3255 |
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|
588 | if (!sc->stsc_data) |
| 3256 | ✗ | return AVERROR(ENOMEM); | |
| 3257 | |||
| 3258 |
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|
4378 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 3259 | 3790 | sc->stsc_data[i].first = avio_rb32(pb); | |
| 3260 | 3790 | sc->stsc_data[i].count = avio_rb32(pb); | |
| 3261 | 3790 | sc->stsc_data[i].id = avio_rb32(pb); | |
| 3262 | } | ||
| 3263 | |||
| 3264 | 588 | sc->stsc_count = i; | |
| 3265 |
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✓ Branch 1 taken 588 times.
|
4378 | for (i = sc->stsc_count - 1; i < UINT_MAX; i--) { |
| 3266 | 3790 | int64_t first_min = i + 1; | |
| 3267 |
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|
3790 | if ((i+1 < sc->stsc_count && sc->stsc_data[i].first >= sc->stsc_data[i+1].first) || |
| 3268 |
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|
3202 | (i > 0 && sc->stsc_data[i].first <= sc->stsc_data[i-1].first) || |
| 3269 |
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|
3790 | sc->stsc_data[i].first < first_min || |
| 3270 |
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|
3790 | sc->stsc_data[i].count < 1 || |
| 3271 |
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|
3790 | sc->stsc_data[i].id < 1) { |
| 3272 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STSC entry %d is invalid (first=%d count=%d id=%d)\n", i, sc->stsc_data[i].first, sc->stsc_data[i].count, sc->stsc_data[i].id); | |
| 3273 | ✗ | if (i+1 >= sc->stsc_count) { | |
| 3274 | ✗ | if (sc->stsc_data[i].count == 0 && i > 0) { | |
| 3275 | ✗ | sc->stsc_count --; | |
| 3276 | ✗ | continue; | |
| 3277 | } | ||
| 3278 | ✗ | sc->stsc_data[i].first = FFMAX(sc->stsc_data[i].first, first_min); | |
| 3279 | ✗ | if (i > 0 && sc->stsc_data[i].first <= sc->stsc_data[i-1].first) | |
| 3280 | ✗ | sc->stsc_data[i].first = FFMIN(sc->stsc_data[i-1].first + 1LL, INT_MAX); | |
| 3281 | ✗ | sc->stsc_data[i].count = FFMAX(sc->stsc_data[i].count, 1); | |
| 3282 | ✗ | sc->stsc_data[i].id = FFMAX(sc->stsc_data[i].id, 1); | |
| 3283 | ✗ | continue; | |
| 3284 | } | ||
| 3285 | ✗ | av_assert0(sc->stsc_data[i+1].first >= 2); | |
| 3286 | // We replace this entry by the next valid | ||
| 3287 | ✗ | sc->stsc_data[i].first = sc->stsc_data[i+1].first - 1; | |
| 3288 | ✗ | sc->stsc_data[i].count = sc->stsc_data[i+1].count; | |
| 3289 | ✗ | sc->stsc_data[i].id = sc->stsc_data[i+1].id; | |
| 3290 | } | ||
| 3291 | } | ||
| 3292 | |||
| 3293 |
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|
588 | if (pb->eof_reached) { |
| 3294 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted STSC atom\n"); | |
| 3295 | ✗ | return AVERROR_EOF; | |
| 3296 | } | ||
| 3297 | |||
| 3298 | 588 | return 0; | |
| 3299 | } | ||
| 3300 | |||
| 3301 | 341108 | static inline int mov_stsc_index_valid(unsigned int index, unsigned int count) | |
| 3302 | { | ||
| 3303 | 341108 | return index < count - 1; | |
| 3304 | } | ||
| 3305 | |||
| 3306 | /* Compute the samples value for the stsc entry at the given index. */ | ||
| 3307 | 55530 | static inline int64_t mov_get_stsc_samples(MOVStreamContext *sc, unsigned int index) | |
| 3308 | { | ||
| 3309 | int chunk_count; | ||
| 3310 | |||
| 3311 |
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✓ Branch 2 taken 196 times.
|
55530 | if (mov_stsc_index_valid(index, sc->stsc_count)) |
| 3312 | 55334 | chunk_count = sc->stsc_data[index + 1].first - sc->stsc_data[index].first; | |
| 3313 | else { | ||
| 3314 | // Validation for stsc / stco happens earlier in mov_read_stsc + mov_read_trak. | ||
| 3315 |
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✓ Branch 1 taken 196 times.
|
196 | av_assert0(sc->stsc_data[index].first <= sc->chunk_count); |
| 3316 | 196 | chunk_count = sc->chunk_count - (sc->stsc_data[index].first - 1); | |
| 3317 | } | ||
| 3318 | |||
| 3319 | 55530 | return sc->stsc_data[index].count * (int64_t)chunk_count; | |
| 3320 | } | ||
| 3321 | |||
| 3322 | ✗ | static int mov_read_stps(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3323 | { | ||
| 3324 | AVStream *st; | ||
| 3325 | MOVStreamContext *sc; | ||
| 3326 | unsigned i, entries; | ||
| 3327 | |||
| 3328 | ✗ | if (c->trak_index < 0) { | |
| 3329 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STPS outside TRAK\n"); | |
| 3330 | ✗ | return 0; | |
| 3331 | } | ||
| 3332 | |||
| 3333 | ✗ | if (c->fc->nb_streams < 1) | |
| 3334 | ✗ | return 0; | |
| 3335 | ✗ | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3336 | ✗ | sc = st->priv_data; | |
| 3337 | |||
| 3338 | ✗ | avio_rb32(pb); // version + flags | |
| 3339 | |||
| 3340 | ✗ | entries = avio_rb32(pb); | |
| 3341 | ✗ | if (sc->stps_data) | |
| 3342 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicated STPS atom\n"); | |
| 3343 | ✗ | av_free(sc->stps_data); | |
| 3344 | ✗ | sc->stps_count = 0; | |
| 3345 | ✗ | sc->stps_data = av_malloc_array(entries, sizeof(*sc->stps_data)); | |
| 3346 | ✗ | if (!sc->stps_data) | |
| 3347 | ✗ | return AVERROR(ENOMEM); | |
| 3348 | |||
| 3349 | ✗ | for (i = 0; i < entries && !pb->eof_reached; i++) { | |
| 3350 | ✗ | sc->stps_data[i] = avio_rb32(pb); | |
| 3351 | } | ||
| 3352 | |||
| 3353 | ✗ | sc->stps_count = i; | |
| 3354 | |||
| 3355 | ✗ | if (pb->eof_reached) { | |
| 3356 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted STPS atom\n"); | |
| 3357 | ✗ | return AVERROR_EOF; | |
| 3358 | } | ||
| 3359 | |||
| 3360 | ✗ | return 0; | |
| 3361 | } | ||
| 3362 | |||
| 3363 | 146 | static int mov_read_stss(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3364 | { | ||
| 3365 | AVStream *st; | ||
| 3366 | FFStream *sti; | ||
| 3367 | MOVStreamContext *sc; | ||
| 3368 | unsigned int i, entries; | ||
| 3369 | |||
| 3370 |
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|
146 | if (c->trak_index < 0) { |
| 3371 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STSS outside TRAK\n"); | |
| 3372 | ✗ | return 0; | |
| 3373 | } | ||
| 3374 | |||
| 3375 |
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✓ Branch 1 taken 146 times.
|
146 | if (c->fc->nb_streams < 1) |
| 3376 | ✗ | return 0; | |
| 3377 | 146 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3378 | 146 | sti = ffstream(st); | |
| 3379 | 146 | sc = st->priv_data; | |
| 3380 | |||
| 3381 | 146 | avio_r8(pb); /* version */ | |
| 3382 | 146 | avio_rb24(pb); /* flags */ | |
| 3383 | |||
| 3384 | 146 | entries = avio_rb32(pb); | |
| 3385 | |||
| 3386 | 146 | av_log(c->fc, AV_LOG_TRACE, "keyframe_count = %u\n", entries); | |
| 3387 | |||
| 3388 |
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|
146 | if (!entries) { |
| 3389 | 6 | sc->keyframe_absent = 1; | |
| 3390 |
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✓ Branch 3 taken 2 times.
|
6 | if (!sti->need_parsing && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) |
| 3391 | ✗ | sti->need_parsing = AVSTREAM_PARSE_HEADERS; | |
| 3392 | 6 | return 0; | |
| 3393 | } | ||
| 3394 |
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|
140 | if (sc->keyframes) |
| 3395 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicated STSS atom\n"); | |
| 3396 |
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|
140 | if (entries >= UINT_MAX / sizeof(int)) |
| 3397 | ✗ | return AVERROR_INVALIDDATA; | |
| 3398 | 140 | av_freep(&sc->keyframes); | |
| 3399 | 140 | sc->keyframe_count = 0; | |
| 3400 | 140 | sc->keyframes = av_malloc_array(entries, sizeof(*sc->keyframes)); | |
| 3401 |
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|
140 | if (!sc->keyframes) |
| 3402 | ✗ | return AVERROR(ENOMEM); | |
| 3403 | |||
| 3404 |
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|
5850 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 3405 | 5710 | sc->keyframes[i] = avio_rb32(pb); | |
| 3406 | } | ||
| 3407 | |||
| 3408 | 140 | sc->keyframe_count = i; | |
| 3409 | |||
| 3410 |
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|
140 | if (pb->eof_reached) { |
| 3411 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted STSS atom\n"); | |
| 3412 | ✗ | return AVERROR_EOF; | |
| 3413 | } | ||
| 3414 | |||
| 3415 | 140 | return 0; | |
| 3416 | } | ||
| 3417 | |||
| 3418 | 612 | static int mov_read_stsz(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3419 | { | ||
| 3420 | AVStream *st; | ||
| 3421 | MOVStreamContext *sc; | ||
| 3422 | unsigned int i, entries, sample_size, field_size, num_bytes; | ||
| 3423 | GetBitContext gb; | ||
| 3424 | unsigned char* buf; | ||
| 3425 | int ret; | ||
| 3426 | |||
| 3427 |
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|
612 | if (c->trak_index < 0) { |
| 3428 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STSZ outside TRAK\n"); | |
| 3429 | ✗ | return 0; | |
| 3430 | } | ||
| 3431 | |||
| 3432 |
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|
612 | if (c->fc->nb_streams < 1) |
| 3433 | ✗ | return 0; | |
| 3434 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3435 | 612 | sc = st->priv_data; | |
| 3436 | |||
| 3437 | 612 | avio_r8(pb); /* version */ | |
| 3438 | 612 | avio_rb24(pb); /* flags */ | |
| 3439 | |||
| 3440 |
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|
612 | if (atom.type == MKTAG('s','t','s','z')) { |
| 3441 | 612 | sample_size = avio_rb32(pb); | |
| 3442 |
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|
612 | if (!sc->sample_size) /* do not overwrite value computed in stsd */ |
| 3443 | 571 | sc->sample_size = sample_size; | |
| 3444 | 612 | sc->stsz_sample_size = sample_size; | |
| 3445 | 612 | field_size = 32; | |
| 3446 | } else { | ||
| 3447 | ✗ | sample_size = 0; | |
| 3448 | ✗ | avio_rb24(pb); /* reserved */ | |
| 3449 | ✗ | field_size = avio_r8(pb); | |
| 3450 | } | ||
| 3451 | 612 | entries = avio_rb32(pb); | |
| 3452 | |||
| 3453 | 612 | av_log(c->fc, AV_LOG_TRACE, "sample_size = %u sample_count = %u\n", sc->sample_size, entries); | |
| 3454 | |||
| 3455 | 612 | sc->sample_count = entries; | |
| 3456 |
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|
612 | if (sample_size) |
| 3457 | 203 | return 0; | |
| 3458 | |||
| 3459 |
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|
409 | if (field_size != 4 && field_size != 8 && field_size != 16 && field_size != 32) { |
| 3460 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid sample field size %u\n", field_size); | |
| 3461 | ✗ | return AVERROR_INVALIDDATA; | |
| 3462 | } | ||
| 3463 | |||
| 3464 |
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|
409 | if (!entries) |
| 3465 | 25 | return 0; | |
| 3466 |
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|
384 | if (entries >= (INT_MAX - 4 - 8 * AV_INPUT_BUFFER_PADDING_SIZE) / field_size) |
| 3467 | ✗ | return AVERROR_INVALIDDATA; | |
| 3468 |
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|
384 | if (sc->sample_sizes) |
| 3469 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicated STSZ atom\n"); | |
| 3470 | 384 | av_free(sc->sample_sizes); | |
| 3471 | 384 | sc->sample_count = 0; | |
| 3472 | 384 | sc->sample_sizes = av_malloc_array(entries, sizeof(*sc->sample_sizes)); | |
| 3473 |
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|
384 | if (!sc->sample_sizes) |
| 3474 | ✗ | return AVERROR(ENOMEM); | |
| 3475 | |||
| 3476 | 384 | num_bytes = (entries*field_size+4)>>3; | |
| 3477 | |||
| 3478 | 384 | buf = av_malloc(num_bytes+AV_INPUT_BUFFER_PADDING_SIZE); | |
| 3479 |
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|
384 | if (!buf) { |
| 3480 | ✗ | av_freep(&sc->sample_sizes); | |
| 3481 | ✗ | return AVERROR(ENOMEM); | |
| 3482 | } | ||
| 3483 | |||
| 3484 | 384 | ret = ffio_read_size(pb, buf, num_bytes); | |
| 3485 |
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|
384 | if (ret < 0) { |
| 3486 | ✗ | av_freep(&sc->sample_sizes); | |
| 3487 | ✗ | av_free(buf); | |
| 3488 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STSZ atom truncated\n"); | |
| 3489 | ✗ | return 0; | |
| 3490 | } | ||
| 3491 | |||
| 3492 | 384 | init_get_bits(&gb, buf, 8*num_bytes); | |
| 3493 | |||
| 3494 |
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|
227633 | for (i = 0; i < entries; i++) { |
| 3495 | 227249 | sc->sample_sizes[i] = get_bits_long(&gb, field_size); | |
| 3496 |
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|
227249 | if (sc->sample_sizes[i] > INT64_MAX - sc->data_size) { |
| 3497 | ✗ | av_free(buf); | |
| 3498 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Sample size overflow in STSZ\n"); | |
| 3499 | ✗ | return AVERROR_INVALIDDATA; | |
| 3500 | } | ||
| 3501 | 227249 | sc->data_size += sc->sample_sizes[i]; | |
| 3502 | } | ||
| 3503 | |||
| 3504 | 384 | sc->sample_count = i; | |
| 3505 | |||
| 3506 | 384 | av_free(buf); | |
| 3507 | |||
| 3508 | 384 | return 0; | |
| 3509 | } | ||
| 3510 | |||
| 3511 | 612 | static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3512 | { | ||
| 3513 | AVStream *st; | ||
| 3514 | MOVStreamContext *sc; | ||
| 3515 | unsigned int i, entries; | ||
| 3516 | 612 | int64_t duration = 0; | |
| 3517 | 612 | int64_t total_sample_count = 0; | |
| 3518 | 612 | int64_t current_dts = 0; | |
| 3519 | 612 | int64_t corrected_dts = 0; | |
| 3520 | |||
| 3521 |
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|
612 | if (c->trak_index < 0) { |
| 3522 | ✗ | av_log(c->fc, AV_LOG_WARNING, "STTS outside TRAK\n"); | |
| 3523 | ✗ | return 0; | |
| 3524 | } | ||
| 3525 | |||
| 3526 |
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|
612 | if (c->fc->nb_streams < 1) |
| 3527 | ✗ | return 0; | |
| 3528 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3529 | 612 | sc = st->priv_data; | |
| 3530 | |||
| 3531 | 612 | avio_r8(pb); /* version */ | |
| 3532 | 612 | avio_rb24(pb); /* flags */ | |
| 3533 | 612 | entries = avio_rb32(pb); | |
| 3534 | |||
| 3535 | 612 | av_log(c->fc, AV_LOG_TRACE, "track[%u].stts.entries = %u\n", | |
| 3536 | 612 | c->fc->nb_streams-1, entries); | |
| 3537 | |||
| 3538 |
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|
612 | if (sc->stts_data) |
| 3539 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicated STTS atom\n"); | |
| 3540 | 612 | av_freep(&sc->stts_data); | |
| 3541 | 612 | sc->stts_count = 0; | |
| 3542 |
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|
612 | if (entries >= INT_MAX / sizeof(*sc->stts_data)) |
| 3543 | ✗ | return AVERROR(ENOMEM); | |
| 3544 | |||
| 3545 |
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|
3562 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 3546 | unsigned int sample_duration; | ||
| 3547 | unsigned int sample_count; | ||
| 3548 | 2950 | unsigned int min_entries = FFMIN(FFMAX(i + 1, 1024 * 1024), entries); | |
| 3549 | 2950 | MOVStts *stts_data = av_fast_realloc(sc->stts_data, &sc->stts_allocated_size, | |
| 3550 | min_entries * sizeof(*sc->stts_data)); | ||
| 3551 |
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|
2950 | if (!stts_data) { |
| 3552 | ✗ | av_freep(&sc->stts_data); | |
| 3553 | ✗ | sc->stts_count = 0; | |
| 3554 | ✗ | return AVERROR(ENOMEM); | |
| 3555 | } | ||
| 3556 | 2950 | sc->stts_count = min_entries; | |
| 3557 | 2950 | sc->stts_data = stts_data; | |
| 3558 | |||
| 3559 | 2950 | sample_count = avio_rb32(pb); | |
| 3560 | 2950 | sample_duration = avio_rb32(pb); | |
| 3561 | |||
| 3562 | 2950 | sc->stts_data[i].count= sample_count; | |
| 3563 | 2950 | sc->stts_data[i].duration= sample_duration; | |
| 3564 | |||
| 3565 | 2950 | av_log(c->fc, AV_LOG_TRACE, "sample_count=%u, sample_duration=%u\n", | |
| 3566 | sample_count, sample_duration); | ||
| 3567 | |||
| 3568 | /* STTS sample offsets are uint32 but some files store it as int32 | ||
| 3569 | * with negative values used to correct DTS delays. | ||
| 3570 | There may be abnormally large values as well. */ | ||
| 3571 |
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|
2950 | if (sample_duration > c->max_stts_delta) { |
| 3572 | // assume high delta is a correction if negative when cast as int32 | ||
| 3573 | 1 | int32_t delta_magnitude = (int32_t)sample_duration; | |
| 3574 | 1 | av_log(c->fc, AV_LOG_WARNING, "Too large sample offset %u in stts entry %u with count %u in st:%d. Clipping to 1.\n", | |
| 3575 | sample_duration, i, sample_count, st->index); | ||
| 3576 | 1 | sc->stts_data[i].duration = 1; | |
| 3577 |
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|
1 | corrected_dts = av_sat_add64(corrected_dts, (delta_magnitude < 0 ? (int64_t)delta_magnitude : 1) * sample_count); |
| 3578 | } else { | ||
| 3579 | 2949 | corrected_dts += sample_duration * (uint64_t)sample_count; | |
| 3580 | } | ||
| 3581 | |||
| 3582 | 2950 | current_dts += sc->stts_data[i].duration * (uint64_t)sample_count; | |
| 3583 | |||
| 3584 |
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|
2950 | if (current_dts > corrected_dts) { |
| 3585 | 22 | int64_t drift = av_sat_sub64(current_dts, corrected_dts) / FFMAX(sample_count, 1); | |
| 3586 |
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|
22 | uint32_t correction = (sc->stts_data[i].duration > drift) ? drift : sc->stts_data[i].duration - 1; |
| 3587 | 22 | current_dts -= correction * (uint64_t)sample_count; | |
| 3588 | 22 | sc->stts_data[i].duration -= correction; | |
| 3589 | } | ||
| 3590 | |||
| 3591 | 2950 | duration+=(int64_t)sc->stts_data[i].duration*(uint64_t)sc->stts_data[i].count; | |
| 3592 | 2950 | total_sample_count+=sc->stts_data[i].count; | |
| 3593 | } | ||
| 3594 | |||
| 3595 | 612 | sc->stts_count = i; | |
| 3596 | |||
| 3597 |
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|
612 | if (duration > 0 && |
| 3598 |
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|
587 | duration <= INT64_MAX - sc->duration_for_fps && |
| 3599 |
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|
587 | total_sample_count <= INT_MAX - sc->nb_frames_for_fps) { |
| 3600 | 587 | sc->duration_for_fps += duration; | |
| 3601 | 587 | sc->nb_frames_for_fps += total_sample_count; | |
| 3602 | } | ||
| 3603 | |||
| 3604 |
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|
612 | if (pb->eof_reached) { |
| 3605 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted STTS atom\n"); | |
| 3606 | ✗ | return AVERROR_EOF; | |
| 3607 | } | ||
| 3608 | |||
| 3609 | 612 | st->nb_frames= total_sample_count; | |
| 3610 |
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|
612 | if (duration) |
| 3611 | 587 | st->duration= FFMIN(st->duration, duration); | |
| 3612 | |||
| 3613 | // All samples have zero duration. They have higher chance be chose by | ||
| 3614 | // mov_find_next_sample, which leads to seek again and again. | ||
| 3615 | // | ||
| 3616 | // It's AVERROR_INVALIDDATA actually, but such files exist in the wild. | ||
| 3617 | // So only mark data stream as discarded for safety. | ||
| 3618 |
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|
612 | if (!duration && sc->stts_count && |
| 3619 | ✗ | st->codecpar->codec_type == AVMEDIA_TYPE_DATA) { | |
| 3620 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 3621 | "All samples in data stream index:id [%d:%d] have zero " | ||
| 3622 | "duration, stream set to be discarded by default. Override " | ||
| 3623 | "using AVStream->discard or -discard for ffmpeg command.\n", | ||
| 3624 | st->index, sc->id); | ||
| 3625 | ✗ | st->discard = AVDISCARD_ALL; | |
| 3626 | } | ||
| 3627 | 612 | sc->track_end = duration; | |
| 3628 | 612 | return 0; | |
| 3629 | } | ||
| 3630 | |||
| 3631 | 45 | static int mov_read_sdtp(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3632 | { | ||
| 3633 | AVStream *st; | ||
| 3634 | MOVStreamContext *sc; | ||
| 3635 | int64_t i, entries; | ||
| 3636 | |||
| 3637 |
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|
45 | if (c->fc->nb_streams < 1) |
| 3638 | ✗ | return 0; | |
| 3639 | 45 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 3640 | 45 | sc = st->priv_data; | |
| 3641 | |||
| 3642 | 45 | avio_r8(pb); /* version */ | |
| 3643 | 45 | avio_rb24(pb); /* flags */ | |
| 3644 | 45 | entries = atom.size - 4; | |
| 3645 | |||
| 3646 | 45 | av_log(c->fc, AV_LOG_TRACE, "track[%u].sdtp.entries = %" PRId64 "\n", | |
| 3647 | 45 | c->fc->nb_streams - 1, entries); | |
| 3648 | |||
| 3649 |
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|
45 | if (sc->sdtp_data) |
| 3650 | 8 | av_log(c->fc, AV_LOG_WARNING, "Duplicated SDTP atom\n"); | |
| 3651 | 45 | av_freep(&sc->sdtp_data); | |
| 3652 | 45 | sc->sdtp_count = 0; | |
| 3653 | |||
| 3654 | 45 | sc->sdtp_data = av_malloc(entries); | |
| 3655 |
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|
45 | if (!sc->sdtp_data) |
| 3656 | ✗ | return AVERROR(ENOMEM); | |
| 3657 | |||
| 3658 |
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|
3856 | for (i = 0; i < entries && !pb->eof_reached; i++) |
| 3659 | 3811 | sc->sdtp_data[i] = avio_r8(pb); | |
| 3660 | 45 | sc->sdtp_count = i; | |
| 3661 | |||
| 3662 | 45 | return 0; | |
| 3663 | } | ||
| 3664 | |||
| 3665 | 13275 | static void mov_update_dts_shift(MOVStreamContext *sc, int duration, void *logctx) | |
| 3666 | { | ||
| 3667 |
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|
13275 | if (duration < 0) { |
| 3668 |
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|
1136 | if (duration == INT_MIN) { |
| 3669 | ✗ | av_log(logctx, AV_LOG_WARNING, "mov_update_dts_shift(): dts_shift set to %d\n", INT_MAX); | |
| 3670 | ✗ | duration++; | |
| 3671 | } | ||
| 3672 | 1136 | sc->dts_shift = FFMAX(sc->dts_shift, -duration); | |
| 3673 | } | ||
| 3674 | 13275 | } | |
| 3675 | |||
| 3676 | 63 | static int mov_read_ctts(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3677 | { | ||
| 3678 | AVStream *st; | ||
| 3679 | MOVStreamContext *sc; | ||
| 3680 | 63 | unsigned int i, entries, ctts_count = 0; | |
| 3681 | |||
| 3682 |
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|
63 | if (c->trak_index < 0) { |
| 3683 | ✗ | av_log(c->fc, AV_LOG_WARNING, "CTTS outside TRAK\n"); | |
| 3684 | ✗ | return 0; | |
| 3685 | } | ||
| 3686 | |||
| 3687 |
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|
63 | if (c->fc->nb_streams < 1) |
| 3688 | ✗ | return 0; | |
| 3689 | 63 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3690 | 63 | sc = st->priv_data; | |
| 3691 | |||
| 3692 | 63 | avio_r8(pb); /* version */ | |
| 3693 | 63 | avio_rb24(pb); /* flags */ | |
| 3694 | 63 | entries = avio_rb32(pb); | |
| 3695 | |||
| 3696 | 63 | av_log(c->fc, AV_LOG_TRACE, "track[%u].ctts.entries = %u\n", c->fc->nb_streams - 1, entries); | |
| 3697 | |||
| 3698 |
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|
63 | if (!entries) |
| 3699 | 4 | return 0; | |
| 3700 |
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|
59 | if (entries >= UINT_MAX / sizeof(*sc->ctts_data)) |
| 3701 | ✗ | return AVERROR_INVALIDDATA; | |
| 3702 | 59 | av_freep(&sc->ctts_data); | |
| 3703 | 59 | sc->ctts_data = av_fast_realloc(NULL, &sc->ctts_allocated_size, entries * sizeof(*sc->ctts_data)); | |
| 3704 |
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|
59 | if (!sc->ctts_data) |
| 3705 | ✗ | return AVERROR(ENOMEM); | |
| 3706 | |||
| 3707 |
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|
4933 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 3708 | MOVCtts *ctts_data; | ||
| 3709 | 4874 | const size_t min_size_needed = (ctts_count + 1) * sizeof(MOVCtts); | |
| 3710 | 4874 | const size_t requested_size = | |
| 3711 | 4874 | min_size_needed > sc->ctts_allocated_size ? | |
| 3712 |
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|
4874 | FFMAX(min_size_needed, 2 * sc->ctts_allocated_size) : |
| 3713 | min_size_needed; | ||
| 3714 | 4874 | int count = avio_rb32(pb); | |
| 3715 | 4874 | int duration = avio_rb32(pb); | |
| 3716 | |||
| 3717 |
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|
4874 | if (count <= 0) { |
| 3718 | ✗ | av_log(c->fc, AV_LOG_TRACE, | |
| 3719 | "ignoring CTTS entry with count=%d duration=%d\n", | ||
| 3720 | count, duration); | ||
| 3721 | ✗ | continue; | |
| 3722 | } | ||
| 3723 | |||
| 3724 |
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|
4874 | if (ctts_count >= UINT_MAX / sizeof(MOVCtts) - 1) |
| 3725 | ✗ | return AVERROR(ENOMEM); | |
| 3726 | |||
| 3727 | 4874 | ctts_data = av_fast_realloc(sc->ctts_data, &sc->ctts_allocated_size, requested_size); | |
| 3728 | |||
| 3729 |
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|
4874 | if (!ctts_data) |
| 3730 | ✗ | return AVERROR(ENOMEM); | |
| 3731 | |||
| 3732 | 4874 | sc->ctts_data = ctts_data; | |
| 3733 | |||
| 3734 | 4874 | ctts_data[ctts_count].count = count; | |
| 3735 | 4874 | ctts_data[ctts_count].offset = duration; | |
| 3736 | 4874 | ctts_count++; | |
| 3737 | |||
| 3738 | 4874 | av_log(c->fc, AV_LOG_TRACE, "count=%d, duration=%d\n", | |
| 3739 | count, duration); | ||
| 3740 | |||
| 3741 |
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✓ Branch 1 taken 113 times.
|
4874 | if (i+2<entries) |
| 3742 | 4761 | mov_update_dts_shift(sc, duration, c->fc); | |
| 3743 | } | ||
| 3744 | |||
| 3745 | 59 | sc->ctts_count = ctts_count; | |
| 3746 | |||
| 3747 |
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|
59 | if (pb->eof_reached) { |
| 3748 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted CTTS atom\n"); | |
| 3749 | ✗ | return AVERROR_EOF; | |
| 3750 | } | ||
| 3751 | |||
| 3752 | 59 | av_log(c->fc, AV_LOG_TRACE, "dts shift %d\n", sc->dts_shift); | |
| 3753 | |||
| 3754 | 59 | return 0; | |
| 3755 | } | ||
| 3756 | |||
| 3757 | 29 | static int mov_read_sgpd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3758 | { | ||
| 3759 | AVStream *st; | ||
| 3760 | MOVStreamContext *sc; | ||
| 3761 | uint8_t version; | ||
| 3762 | uint32_t grouping_type; | ||
| 3763 | uint32_t default_length; | ||
| 3764 | av_unused uint32_t default_group_description_index; | ||
| 3765 | uint32_t entry_count; | ||
| 3766 | |||
| 3767 |
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|
29 | if (c->fc->nb_streams < 1) |
| 3768 | ✗ | return 0; | |
| 3769 | 29 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 3770 | 29 | sc = st->priv_data; | |
| 3771 | |||
| 3772 | 29 | version = avio_r8(pb); /* version */ | |
| 3773 | 29 | avio_rb24(pb); /* flags */ | |
| 3774 | 29 | grouping_type = avio_rl32(pb); | |
| 3775 | |||
| 3776 | /* | ||
| 3777 | * This function only supports "sync" boxes, but the code is able to parse | ||
| 3778 | * other boxes (such as "tscl", "tsas" and "stsa") | ||
| 3779 | */ | ||
| 3780 |
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|
29 | if (grouping_type != MKTAG('s','y','n','c')) |
| 3781 | 24 | return 0; | |
| 3782 | |||
| 3783 |
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|
5 | default_length = version >= 1 ? avio_rb32(pb) : 0; |
| 3784 |
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|
5 | default_group_description_index = version >= 2 ? avio_rb32(pb) : 0; |
| 3785 | 5 | entry_count = avio_rb32(pb); | |
| 3786 | |||
| 3787 | 5 | av_freep(&sc->sgpd_sync); | |
| 3788 | 5 | sc->sgpd_sync_count = entry_count; | |
| 3789 | 5 | sc->sgpd_sync = av_calloc(entry_count, sizeof(*sc->sgpd_sync)); | |
| 3790 |
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|
5 | if (!sc->sgpd_sync) |
| 3791 | ✗ | return AVERROR(ENOMEM); | |
| 3792 | |||
| 3793 |
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|
13 | for (uint32_t i = 0; i < entry_count && !pb->eof_reached; i++) { |
| 3794 | 8 | uint32_t description_length = default_length; | |
| 3795 |
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|
8 | if (version >= 1 && default_length == 0) |
| 3796 | ✗ | description_length = avio_rb32(pb); | |
| 3797 |
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|
8 | if (grouping_type == MKTAG('s','y','n','c')) { |
| 3798 | 8 | const uint8_t nal_unit_type = avio_r8(pb) & 0x3f; | |
| 3799 | 8 | sc->sgpd_sync[i] = nal_unit_type; | |
| 3800 | 8 | description_length -= 1; | |
| 3801 | } | ||
| 3802 | 8 | avio_skip(pb, description_length); | |
| 3803 | } | ||
| 3804 | |||
| 3805 |
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|
5 | if (pb->eof_reached) { |
| 3806 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted SGPD atom\n"); | |
| 3807 | ✗ | return AVERROR_EOF; | |
| 3808 | } | ||
| 3809 | |||
| 3810 | 5 | return 0; | |
| 3811 | } | ||
| 3812 | |||
| 3813 | 26 | static int mov_read_sbgp(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 3814 | { | ||
| 3815 | AVStream *st; | ||
| 3816 | MOVStreamContext *sc; | ||
| 3817 | unsigned int i, entries; | ||
| 3818 | uint8_t version; | ||
| 3819 | uint32_t grouping_type; | ||
| 3820 | MOVSbgp *table, **tablep; | ||
| 3821 | int *table_count; | ||
| 3822 | |||
| 3823 |
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|
26 | if (c->fc->nb_streams < 1) |
| 3824 | ✗ | return 0; | |
| 3825 | 26 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 3826 | 26 | sc = st->priv_data; | |
| 3827 | |||
| 3828 | 26 | version = avio_r8(pb); /* version */ | |
| 3829 | 26 | avio_rb24(pb); /* flags */ | |
| 3830 | 26 | grouping_type = avio_rl32(pb); | |
| 3831 | |||
| 3832 |
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|
26 | if (grouping_type == MKTAG('r','a','p',' ')) { |
| 3833 | 1 | tablep = &sc->rap_group; | |
| 3834 | 1 | table_count = &sc->rap_group_count; | |
| 3835 |
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|
25 | } else if (grouping_type == MKTAG('s','y','n','c')) { |
| 3836 | 5 | tablep = &sc->sync_group; | |
| 3837 | 5 | table_count = &sc->sync_group_count; | |
| 3838 | } else { | ||
| 3839 | 20 | return 0; | |
| 3840 | } | ||
| 3841 | |||
| 3842 |
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|
6 | if (version == 1) |
| 3843 | ✗ | avio_rb32(pb); /* grouping_type_parameter */ | |
| 3844 | |||
| 3845 | 6 | entries = avio_rb32(pb); | |
| 3846 |
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|
6 | if (!entries) |
| 3847 | ✗ | return 0; | |
| 3848 |
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|
6 | if (*tablep) |
| 3849 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicated SBGP %s atom\n", av_fourcc2str(grouping_type)); | |
| 3850 | 6 | av_freep(tablep); | |
| 3851 | 6 | table = av_malloc_array(entries, sizeof(*table)); | |
| 3852 |
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|
6 | if (!table) |
| 3853 | ✗ | return AVERROR(ENOMEM); | |
| 3854 | 6 | *tablep = table; | |
| 3855 | |||
| 3856 |
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|
38 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 3857 | 32 | table[i].count = avio_rb32(pb); /* sample_count */ | |
| 3858 | 32 | table[i].index = avio_rb32(pb); /* group_description_index */ | |
| 3859 | } | ||
| 3860 | |||
| 3861 | 6 | *table_count = i; | |
| 3862 | |||
| 3863 |
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|
6 | if (pb->eof_reached) { |
| 3864 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted SBGP atom\n"); | |
| 3865 | ✗ | return AVERROR_EOF; | |
| 3866 | } | ||
| 3867 | |||
| 3868 | 6 | return 0; | |
| 3869 | } | ||
| 3870 | |||
| 3871 | /** | ||
| 3872 | * Get ith edit list entry (media time, duration). | ||
| 3873 | */ | ||
| 3874 | 913 | static int get_edit_list_entry(MOVContext *mov, | |
| 3875 | const MOVStreamContext *msc, | ||
| 3876 | unsigned int edit_list_index, | ||
| 3877 | int64_t *edit_list_media_time, | ||
| 3878 | int64_t *edit_list_duration, | ||
| 3879 | int64_t global_timescale) | ||
| 3880 | { | ||
| 3881 |
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|
913 | if (edit_list_index == msc->elst_count) { |
| 3882 | 443 | return 0; | |
| 3883 | } | ||
| 3884 | 470 | *edit_list_media_time = msc->elst_data[edit_list_index].time; | |
| 3885 | 470 | *edit_list_duration = msc->elst_data[edit_list_index].duration; | |
| 3886 | |||
| 3887 | /* duration is in global timescale units;convert to msc timescale */ | ||
| 3888 |
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|
470 | if (global_timescale == 0) { |
| 3889 | ✗ | avpriv_request_sample(mov->fc, "Support for mvhd.timescale = 0 with editlists"); | |
| 3890 | ✗ | return 0; | |
| 3891 | } | ||
| 3892 | 470 | *edit_list_duration = av_rescale(*edit_list_duration, msc->time_scale, | |
| 3893 | global_timescale); | ||
| 3894 | |||
| 3895 |
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|
470 | if (*edit_list_duration + (uint64_t)*edit_list_media_time > INT64_MAX) |
| 3896 | ✗ | *edit_list_duration = 0; | |
| 3897 | |||
| 3898 | 470 | return 1; | |
| 3899 | } | ||
| 3900 | |||
| 3901 | /** | ||
| 3902 | * Find the closest previous frame to the timestamp_pts, in e_old index | ||
| 3903 | * entries. Searching for just any frame / just key frames can be controlled by | ||
| 3904 | * last argument 'flag'. | ||
| 3905 | * Note that if ctts_data is not NULL, we will always search for a key frame | ||
| 3906 | * irrespective of the value of 'flag'. If we don't find any keyframe, we will | ||
| 3907 | * return the first frame of the video. | ||
| 3908 | * | ||
| 3909 | * Here the timestamp_pts is considered to be a presentation timestamp and | ||
| 3910 | * the timestamp of index entries are considered to be decoding timestamps. | ||
| 3911 | * | ||
| 3912 | * Returns 0 if successful in finding a frame, else returns -1. | ||
| 3913 | * Places the found index corresponding output arg. | ||
| 3914 | * | ||
| 3915 | * If ctts_old is not NULL, then refines the searched entry by searching | ||
| 3916 | * backwards from the found timestamp, to find the frame with correct PTS. | ||
| 3917 | * | ||
| 3918 | * Places the found ctts_index and ctts_sample in corresponding output args. | ||
| 3919 | */ | ||
| 3920 | 469 | static int find_prev_closest_index(AVStream *st, | |
| 3921 | AVIndexEntry *e_old, | ||
| 3922 | int nb_old, | ||
| 3923 | MOVTimeToSample *tts_data, | ||
| 3924 | int64_t tts_count, | ||
| 3925 | int64_t timestamp_pts, | ||
| 3926 | int flag, | ||
| 3927 | int64_t* index, | ||
| 3928 | int64_t* tts_index, | ||
| 3929 | int64_t* tts_sample) | ||
| 3930 | { | ||
| 3931 | 469 | MOVStreamContext *msc = st->priv_data; | |
| 3932 | 469 | FFStream *const sti = ffstream(st); | |
| 3933 | 469 | AVIndexEntry *e_keep = sti->index_entries; | |
| 3934 | 469 | int nb_keep = sti->nb_index_entries; | |
| 3935 | 469 | int64_t i = 0; | |
| 3936 | |||
| 3937 |
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|
469 | av_assert0(index); |
| 3938 | |||
| 3939 | // If dts_shift > 0, then all the index timestamps will have to be offset by | ||
| 3940 | // at least dts_shift amount to obtain PTS. | ||
| 3941 | // Hence we decrement the searched timestamp_pts by dts_shift to find the closest index element. | ||
| 3942 |
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|
469 | if (msc->dts_shift > 0) { |
| 3943 | 9 | timestamp_pts -= msc->dts_shift; | |
| 3944 | } | ||
| 3945 | |||
| 3946 | 469 | sti->index_entries = e_old; | |
| 3947 | 469 | sti->nb_index_entries = nb_old; | |
| 3948 | 469 | *index = av_index_search_timestamp(st, timestamp_pts, flag | AVSEEK_FLAG_BACKWARD); | |
| 3949 | |||
| 3950 | // Keep going backwards in the index entries until the timestamp is the same. | ||
| 3951 |
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|
469 | if (*index >= 0) { |
| 3952 |
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|
468 | for (i = *index; i > 0 && e_old[i].timestamp == e_old[i - 1].timestamp; |
| 3953 | ✗ | i--) { | |
| 3954 | ✗ | if ((flag & AVSEEK_FLAG_ANY) || | |
| 3955 | ✗ | (e_old[i - 1].flags & AVINDEX_KEYFRAME)) { | |
| 3956 | ✗ | *index = i - 1; | |
| 3957 | } | ||
| 3958 | } | ||
| 3959 | } | ||
| 3960 | |||
| 3961 | // If we have CTTS then refine the search, by searching backwards over PTS | ||
| 3962 | // computed by adding corresponding CTTS durations to index timestamps. | ||
| 3963 |
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|
469 | if (msc->ctts_count && *index >= 0) { |
| 3964 |
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|
63 | av_assert0(tts_index); |
| 3965 |
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|
63 | av_assert0(tts_sample); |
| 3966 | // Find out the ctts_index for the found frame. | ||
| 3967 | 63 | *tts_index = 0; | |
| 3968 | 63 | *tts_sample = 0; | |
| 3969 |
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|
238 | for (int64_t index_tts_count = 0; index_tts_count < *index; index_tts_count++) { |
| 3970 |
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|
175 | if (*tts_index < tts_count) { |
| 3971 | 175 | (*tts_sample)++; | |
| 3972 |
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|
175 | if (tts_data[*tts_index].count == *tts_sample) { |
| 3973 | 175 | (*tts_index)++; | |
| 3974 | 175 | *tts_sample = 0; | |
| 3975 | } | ||
| 3976 | } | ||
| 3977 | } | ||
| 3978 | |||
| 3979 |
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|
75 | while (*index >= 0 && (*tts_index) >= 0 && (*tts_index) < tts_count) { |
| 3980 | // Find a "key frame" with PTS <= timestamp_pts (So that we can decode B-frames correctly). | ||
| 3981 | // No need to add dts_shift to the timestamp here because timestamp_pts has already been | ||
| 3982 | // compensated by dts_shift above. | ||
| 3983 |
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|
70 | if ((e_old[*index].timestamp + tts_data[*tts_index].offset) <= timestamp_pts && |
| 3984 |
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|
62 | (e_old[*index].flags & AVINDEX_KEYFRAME)) { |
| 3985 | 58 | break; | |
| 3986 | } | ||
| 3987 | |||
| 3988 | 12 | (*index)--; | |
| 3989 |
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|
12 | if (*tts_sample == 0) { |
| 3990 | 12 | (*tts_index)--; | |
| 3991 |
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|
12 | if (*tts_index >= 0) |
| 3992 | 7 | *tts_sample = tts_data[*tts_index].count - 1; | |
| 3993 | } else { | ||
| 3994 | ✗ | (*tts_sample)--; | |
| 3995 | } | ||
| 3996 | } | ||
| 3997 | } | ||
| 3998 | |||
| 3999 | /* restore AVStream state*/ | ||
| 4000 | 469 | sti->index_entries = e_keep; | |
| 4001 | 469 | sti->nb_index_entries = nb_keep; | |
| 4002 |
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|
469 | return *index >= 0 ? 0 : -1; |
| 4003 | } | ||
| 4004 | |||
| 4005 | /** | ||
| 4006 | * Add index entry with the given values, to the end of ffstream(st)->index_entries. | ||
| 4007 | * Returns the new size ffstream(st)->index_entries if successful, else returns -1. | ||
| 4008 | * | ||
| 4009 | * This function is similar to ff_add_index_entry in libavformat/utils.c | ||
| 4010 | * except that here we are always unconditionally adding an index entry to | ||
| 4011 | * the end, instead of searching the entries list and skipping the add if | ||
| 4012 | * there is an existing entry with the same timestamp. | ||
| 4013 | * This is needed because the mov_fix_index calls this func with the same | ||
| 4014 | * unincremented timestamp for successive discarded frames. | ||
| 4015 | */ | ||
| 4016 | 348561 | static int64_t add_index_entry(AVStream *st, int64_t pos, int64_t timestamp, | |
| 4017 | int size, int distance, int flags) | ||
| 4018 | { | ||
| 4019 | 348561 | FFStream *const sti = ffstream(st); | |
| 4020 | AVIndexEntry *entries, *ie; | ||
| 4021 | 348561 | int64_t index = -1; | |
| 4022 | 348561 | const size_t min_size_needed = (sti->nb_index_entries + 1) * sizeof(AVIndexEntry); | |
| 4023 | |||
| 4024 | // Double the allocation each time, to lower memory fragmentation. | ||
| 4025 | // Another difference from ff_add_index_entry function. | ||
| 4026 | 348561 | const size_t requested_size = | |
| 4027 | 348561 | min_size_needed > sti->index_entries_allocated_size ? | |
| 4028 |
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|
348561 | FFMAX(min_size_needed, 2 * sti->index_entries_allocated_size) : |
| 4029 | min_size_needed; | ||
| 4030 | |||
| 4031 |
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|
348561 | if (sti->nb_index_entries + 1U >= UINT_MAX / sizeof(AVIndexEntry)) |
| 4032 | ✗ | return -1; | |
| 4033 | |||
| 4034 | 348561 | entries = av_fast_realloc(sti->index_entries, | |
| 4035 | &sti->index_entries_allocated_size, | ||
| 4036 | requested_size); | ||
| 4037 |
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|
348561 | if (!entries) |
| 4038 | ✗ | return -1; | |
| 4039 | |||
| 4040 | 348561 | sti->index_entries = entries; | |
| 4041 | |||
| 4042 | 348561 | index = sti->nb_index_entries++; | |
| 4043 | 348561 | ie= &entries[index]; | |
| 4044 | |||
| 4045 | 348561 | ie->pos = pos; | |
| 4046 | 348561 | ie->timestamp = timestamp; | |
| 4047 | 348561 | ie->min_distance= distance; | |
| 4048 | 348561 | ie->size= size; | |
| 4049 | 348561 | ie->flags = flags; | |
| 4050 | 348561 | return index; | |
| 4051 | } | ||
| 4052 | |||
| 4053 | /** | ||
| 4054 | * Rewrite timestamps of index entries in the range [end_index - frame_duration_buffer_size, end_index) | ||
| 4055 | * by subtracting end_ts successively by the amounts given in frame_duration_buffer. | ||
| 4056 | */ | ||
| 4057 | 27 | static void fix_index_entry_timestamps(AVStream* st, int end_index, int64_t end_ts, | |
| 4058 | int64_t* frame_duration_buffer, | ||
| 4059 | int frame_duration_buffer_size) { | ||
| 4060 | 27 | FFStream *const sti = ffstream(st); | |
| 4061 | 27 | int i = 0; | |
| 4062 |
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|
27 | av_assert0(end_index >= 0 && end_index <= sti->nb_index_entries); |
| 4063 |
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|
164 | for (i = 0; i < frame_duration_buffer_size; i++) { |
| 4064 | 137 | end_ts -= frame_duration_buffer[frame_duration_buffer_size - 1 - i]; | |
| 4065 | 137 | sti->index_entries[end_index - 1 - i].timestamp = end_ts; | |
| 4066 | } | ||
| 4067 | 27 | } | |
| 4068 | |||
| 4069 | 186062 | static int add_tts_entry(MOVTimeToSample **tts_data, unsigned int *tts_count, unsigned int *allocated_size, | |
| 4070 | int count, int offset, unsigned int duration) | ||
| 4071 | { | ||
| 4072 | MOVTimeToSample *tts_buf_new; | ||
| 4073 | 186062 | const size_t min_size_needed = (*tts_count + 1) * sizeof(MOVTimeToSample); | |
| 4074 | 186062 | const size_t requested_size = | |
| 4075 | 186062 | min_size_needed > *allocated_size ? | |
| 4076 |
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|
186062 | FFMAX(min_size_needed, 2 * (*allocated_size)) : |
| 4077 | min_size_needed; | ||
| 4078 | |||
| 4079 |
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|
186062 | if ((unsigned)(*tts_count) >= UINT_MAX / sizeof(MOVTimeToSample) - 1) |
| 4080 | ✗ | return -1; | |
| 4081 | |||
| 4082 | 186062 | tts_buf_new = av_fast_realloc(*tts_data, allocated_size, requested_size); | |
| 4083 | |||
| 4084 |
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|
186062 | if (!tts_buf_new) |
| 4085 | ✗ | return -1; | |
| 4086 | |||
| 4087 | 186062 | *tts_data = tts_buf_new; | |
| 4088 | |||
| 4089 | 186062 | tts_buf_new[*tts_count].count = count; | |
| 4090 | 186062 | tts_buf_new[*tts_count].offset = offset; | |
| 4091 | 186062 | tts_buf_new[*tts_count].duration = duration; | |
| 4092 | |||
| 4093 | 186062 | *tts_count = (*tts_count) + 1; | |
| 4094 | 186062 | return 0; | |
| 4095 | } | ||
| 4096 | |||
| 4097 | #define MAX_REORDER_DELAY 16 | ||
| 4098 | 618 | static void mov_estimate_video_delay(MOVContext *c, AVStream* st) | |
| 4099 | { | ||
| 4100 | 618 | MOVStreamContext *msc = st->priv_data; | |
| 4101 | 618 | FFStream *const sti = ffstream(st); | |
| 4102 | 618 | int ctts_ind = 0; | |
| 4103 | 618 | int ctts_sample = 0; | |
| 4104 | int64_t pts_buf[MAX_REORDER_DELAY + 1]; // Circular buffer to sort pts. | ||
| 4105 | 618 | int buf_start = 0; | |
| 4106 | int j, r, num_swaps; | ||
| 4107 | |||
| 4108 |
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|
11124 | for (j = 0; j < MAX_REORDER_DELAY + 1; j++) |
| 4109 | 10506 | pts_buf[j] = INT64_MIN; | |
| 4110 | |||
| 4111 |
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|
618 | if (st->codecpar->video_delay <= 0 && msc->ctts_count && |
| 4112 |
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|
59 | st->codecpar->codec_id == AV_CODEC_ID_H264) { |
| 4113 | 43 | st->codecpar->video_delay = 0; | |
| 4114 |
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|
138322 | for (int ind = 0; ind < sti->nb_index_entries && ctts_ind < msc->tts_count; ++ind) { |
| 4115 | // Point j to the last elem of the buffer and insert the current pts there. | ||
| 4116 | 138279 | j = buf_start; | |
| 4117 | 138279 | buf_start = (buf_start + 1); | |
| 4118 |
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|
138279 | if (buf_start == MAX_REORDER_DELAY + 1) |
| 4119 | 8111 | buf_start = 0; | |
| 4120 | |||
| 4121 | 138279 | pts_buf[j] = sti->index_entries[ind].timestamp + msc->tts_data[ctts_ind].offset; | |
| 4122 | |||
| 4123 | // The timestamps that are already in the sorted buffer, and are greater than the | ||
| 4124 | // current pts, are exactly the timestamps that need to be buffered to output PTS | ||
| 4125 | // in correct sorted order. | ||
| 4126 | // Hence the video delay (which is the buffer size used to sort DTS and output PTS), | ||
| 4127 | // can be computed as the maximum no. of swaps any particular timestamp needs to | ||
| 4128 | // go through, to keep this buffer in sorted order. | ||
| 4129 | 138279 | num_swaps = 0; | |
| 4130 |
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|
142298 | while (j != buf_start) { |
| 4131 | 142294 | r = j - 1; | |
| 4132 |
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|
142294 | if (r < 0) r = MAX_REORDER_DELAY; |
| 4133 |
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|
142294 | if (pts_buf[j] < pts_buf[r]) { |
| 4134 | 4019 | FFSWAP(int64_t, pts_buf[j], pts_buf[r]); | |
| 4135 | 4019 | ++num_swaps; | |
| 4136 | } else { | ||
| 4137 | 138275 | break; | |
| 4138 | } | ||
| 4139 | 4019 | j = r; | |
| 4140 | } | ||
| 4141 | 138279 | st->codecpar->video_delay = FFMAX(st->codecpar->video_delay, num_swaps); | |
| 4142 | |||
| 4143 | 138279 | ctts_sample++; | |
| 4144 |
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|
138279 | if (ctts_sample == msc->tts_data[ctts_ind].count) { |
| 4145 | 138279 | ctts_ind++; | |
| 4146 | 138279 | ctts_sample = 0; | |
| 4147 | } | ||
| 4148 | } | ||
| 4149 | 43 | av_log(c->fc, AV_LOG_DEBUG, "Setting codecpar->delay to %d for stream st: %d\n", | |
| 4150 | 43 | st->codecpar->video_delay, st->index); | |
| 4151 | } | ||
| 4152 | 618 | } | |
| 4153 | |||
| 4154 | 105917 | static void mov_current_sample_inc(MOVStreamContext *sc) | |
| 4155 | { | ||
| 4156 | 105917 | sc->current_sample++; | |
| 4157 | 105917 | sc->current_index++; | |
| 4158 |
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|
105917 | if (sc->index_ranges && |
| 4159 |
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|
61411 | sc->current_index >= sc->current_index_range->end && |
| 4160 |
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|
427 | sc->current_index_range->end) { |
| 4161 | 427 | sc->current_index_range++; | |
| 4162 | 427 | sc->current_index = sc->current_index_range->start; | |
| 4163 | } | ||
| 4164 | 105917 | } | |
| 4165 | |||
| 4166 | ✗ | static void mov_current_sample_dec(MOVStreamContext *sc) | |
| 4167 | { | ||
| 4168 | ✗ | sc->current_sample--; | |
| 4169 | ✗ | sc->current_index--; | |
| 4170 | ✗ | if (sc->index_ranges && | |
| 4171 | ✗ | sc->current_index < sc->current_index_range->start && | |
| 4172 | ✗ | sc->current_index_range > sc->index_ranges) { | |
| 4173 | ✗ | sc->current_index_range--; | |
| 4174 | ✗ | sc->current_index = sc->current_index_range->end - 1; | |
| 4175 | } | ||
| 4176 | ✗ | } | |
| 4177 | |||
| 4178 | 335 | static void mov_current_sample_set(MOVStreamContext *sc, int current_sample) | |
| 4179 | { | ||
| 4180 | int64_t range_size; | ||
| 4181 | |||
| 4182 | 335 | sc->current_sample = current_sample; | |
| 4183 | 335 | sc->current_index = current_sample; | |
| 4184 |
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|
335 | if (!sc->index_ranges) { |
| 4185 | 26 | return; | |
| 4186 | } | ||
| 4187 | |||
| 4188 | 309 | for (sc->current_index_range = sc->index_ranges; | |
| 4189 |
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|
309 | sc->current_index_range->end; |
| 4190 | ✗ | sc->current_index_range++) { | |
| 4191 | 309 | range_size = sc->current_index_range->end - sc->current_index_range->start; | |
| 4192 |
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|
309 | if (range_size > current_sample) { |
| 4193 | 309 | sc->current_index = sc->current_index_range->start + current_sample; | |
| 4194 | 309 | break; | |
| 4195 | } | ||
| 4196 | ✗ | current_sample -= range_size; | |
| 4197 | } | ||
| 4198 | } | ||
| 4199 | |||
| 4200 | /** | ||
| 4201 | * Fix ffstream(st)->index_entries, so that it contains only the entries (and the entries | ||
| 4202 | * which are needed to decode them) that fall in the edit list time ranges. | ||
| 4203 | * Also fixes the timestamps of the index entries to match the timeline | ||
| 4204 | * specified the edit lists. | ||
| 4205 | */ | ||
| 4206 | 618 | static void mov_fix_index(MOVContext *mov, AVStream *st) | |
| 4207 | { | ||
| 4208 | 618 | MOVStreamContext *msc = st->priv_data; | |
| 4209 | 618 | FFStream *const sti = ffstream(st); | |
| 4210 | 618 | AVIndexEntry *e_old = sti->index_entries; | |
| 4211 | 618 | int nb_old = sti->nb_index_entries; | |
| 4212 | 618 | const AVIndexEntry *e_old_end = e_old + nb_old; | |
| 4213 | 618 | const AVIndexEntry *current = NULL; | |
| 4214 | 618 | MOVTimeToSample *tts_data_old = msc->tts_data; | |
| 4215 | 618 | int64_t tts_index_old = 0; | |
| 4216 | 618 | int64_t tts_sample_old = 0; | |
| 4217 | 618 | int64_t tts_count_old = msc->tts_count; | |
| 4218 | 618 | int64_t edit_list_media_time = 0; | |
| 4219 | 618 | int64_t edit_list_duration = 0; | |
| 4220 | 618 | int64_t frame_duration = 0; | |
| 4221 | 618 | int64_t edit_list_dts_counter = 0; | |
| 4222 | 618 | int64_t edit_list_dts_entry_end = 0; | |
| 4223 | 618 | int64_t edit_list_start_tts_sample = 0; | |
| 4224 | int64_t curr_cts; | ||
| 4225 | 618 | int64_t curr_ctts = 0; | |
| 4226 | 618 | int64_t empty_edits_sum_duration = 0; | |
| 4227 | 618 | int64_t edit_list_index = 0; | |
| 4228 | int64_t index; | ||
| 4229 | int flags; | ||
| 4230 | 618 | int64_t start_dts = 0; | |
| 4231 | 618 | int64_t edit_list_start_encountered = 0; | |
| 4232 | 618 | int64_t search_timestamp = 0; | |
| 4233 | 618 | int64_t* frame_duration_buffer = NULL; | |
| 4234 | 618 | int num_discarded_begin = 0; | |
| 4235 | 618 | int first_non_zero_audio_edit = -1; | |
| 4236 | 618 | int packet_skip_samples = 0; | |
| 4237 | 618 | MOVIndexRange *current_index_range = NULL; | |
| 4238 | 618 | int found_keyframe_after_edit = 0; | |
| 4239 | 618 | int found_non_empty_edit = 0; | |
| 4240 | |||
| 4241 |
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|
618 | if (!msc->elst_data || msc->elst_count <= 0 || nb_old <= 0) { |
| 4242 | 175 | return; | |
| 4243 | } | ||
| 4244 | |||
| 4245 | // allocate the index ranges array | ||
| 4246 | 443 | msc->index_ranges = av_malloc_array(msc->elst_count + 1, | |
| 4247 | sizeof(msc->index_ranges[0])); | ||
| 4248 |
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|
443 | if (!msc->index_ranges) { |
| 4249 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Cannot allocate index ranges buffer\n"); | |
| 4250 | ✗ | return; | |
| 4251 | } | ||
| 4252 | 443 | msc->current_index_range = msc->index_ranges; | |
| 4253 | |||
| 4254 | // Clean AVStream from traces of old index | ||
| 4255 | 443 | sti->index_entries = NULL; | |
| 4256 | 443 | sti->index_entries_allocated_size = 0; | |
| 4257 | 443 | sti->nb_index_entries = 0; | |
| 4258 | |||
| 4259 | // Clean time to sample fields of MOVStreamContext | ||
| 4260 | 443 | msc->tts_data = NULL; | |
| 4261 | 443 | msc->tts_count = 0; | |
| 4262 | 443 | msc->tts_index = 0; | |
| 4263 | 443 | msc->tts_sample = 0; | |
| 4264 | 443 | msc->tts_allocated_size = 0; | |
| 4265 | |||
| 4266 | // Reinitialize min_corrected_pts so that it can be computed again. | ||
| 4267 | 443 | msc->min_corrected_pts = -1; | |
| 4268 | |||
| 4269 | // If the dts_shift is positive (in case of negative ctts values in mov), | ||
| 4270 | // then negate the DTS by dts_shift | ||
| 4271 |
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|
443 | if (msc->dts_shift > 0) { |
| 4272 | 9 | edit_list_dts_entry_end -= msc->dts_shift; | |
| 4273 | 9 | av_log(mov->fc, AV_LOG_DEBUG, "Shifting DTS by %d because of negative CTTS.\n", msc->dts_shift); | |
| 4274 | } | ||
| 4275 | |||
| 4276 | 443 | start_dts = edit_list_dts_entry_end; | |
| 4277 | |||
| 4278 |
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|
1356 | while (get_edit_list_entry(mov, msc, edit_list_index, &edit_list_media_time, |
| 4279 | 913 | &edit_list_duration, mov->time_scale)) { | |
| 4280 | 470 | av_log(mov->fc, AV_LOG_DEBUG, "Processing st: %d, edit list %"PRId64" - media time: %"PRId64", duration: %"PRId64"\n", | |
| 4281 | st->index, edit_list_index, edit_list_media_time, edit_list_duration); | ||
| 4282 | 470 | edit_list_index++; | |
| 4283 | 470 | edit_list_dts_counter = edit_list_dts_entry_end; | |
| 4284 | 470 | edit_list_dts_entry_end += edit_list_duration; | |
| 4285 | 470 | num_discarded_begin = 0; | |
| 4286 |
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|
470 | if (!found_non_empty_edit && edit_list_media_time == -1) { |
| 4287 | 4 | empty_edits_sum_duration += edit_list_duration; | |
| 4288 | 4 | continue; | |
| 4289 | } | ||
| 4290 | 466 | found_non_empty_edit = 1; | |
| 4291 | |||
| 4292 | // If we encounter a non-negative edit list reset the skip_samples/start_pad fields and set them | ||
| 4293 | // according to the edit list below. | ||
| 4294 |
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|
466 | if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 4295 |
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|
127 | if (first_non_zero_audio_edit < 0) { |
| 4296 | 127 | first_non_zero_audio_edit = 1; | |
| 4297 | } else { | ||
| 4298 | ✗ | first_non_zero_audio_edit = 0; | |
| 4299 | } | ||
| 4300 | |||
| 4301 |
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|
127 | if (first_non_zero_audio_edit > 0) |
| 4302 | 127 | sti->skip_samples = msc->start_pad = 0; | |
| 4303 | } | ||
| 4304 | |||
| 4305 | // While reordering frame index according to edit list we must handle properly | ||
| 4306 | // the scenario when edit list entry starts from none key frame. | ||
| 4307 | // We find closest previous key frame and preserve it and consequent frames in index. | ||
| 4308 | // All frames which are outside edit list entry time boundaries will be dropped after decoding. | ||
| 4309 | 466 | search_timestamp = edit_list_media_time; | |
| 4310 |
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|
466 | if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 4311 | // Audio decoders like AAC need need a decoder delay samples previous to the current sample, | ||
| 4312 | // to correctly decode this frame. Hence for audio we seek to a frame 1 sec. before the | ||
| 4313 | // edit_list_media_time to cover the decoder delay. | ||
| 4314 | 127 | search_timestamp = FFMAX(search_timestamp - msc->time_scale, e_old[0].timestamp); | |
| 4315 | } | ||
| 4316 | |||
| 4317 |
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|
466 | if (find_prev_closest_index(st, e_old, nb_old, tts_data_old, tts_count_old, search_timestamp, 0, |
| 4318 | &index, &tts_index_old, &tts_sample_old) < 0) { | ||
| 4319 | 3 | av_log(mov->fc, AV_LOG_WARNING, | |
| 4320 | "st: %d edit list: %"PRId64" Missing key frame while searching for timestamp: %"PRId64"\n", | ||
| 4321 | st->index, edit_list_index, search_timestamp); | ||
| 4322 |
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|
3 | if (find_prev_closest_index(st, e_old, nb_old, tts_data_old, tts_count_old, search_timestamp, AVSEEK_FLAG_ANY, |
| 4323 | &index, &tts_index_old, &tts_sample_old) < 0) { | ||
| 4324 | 3 | av_log(mov->fc, AV_LOG_WARNING, | |
| 4325 | "st: %d edit list %"PRId64" Cannot find an index entry before timestamp: %"PRId64".\n", | ||
| 4326 | st->index, edit_list_index, search_timestamp); | ||
| 4327 | 3 | index = 0; | |
| 4328 | 3 | tts_index_old = 0; | |
| 4329 | 3 | tts_sample_old = 0; | |
| 4330 | } | ||
| 4331 | } | ||
| 4332 | 466 | current = e_old + index; | |
| 4333 | 466 | edit_list_start_tts_sample = tts_sample_old; | |
| 4334 | |||
| 4335 | // Iterate over index and arrange it according to edit list | ||
| 4336 | 466 | edit_list_start_encountered = 0; | |
| 4337 | 466 | found_keyframe_after_edit = 0; | |
| 4338 |
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|
348675 | for (; current < e_old_end; current++, index++) { |
| 4339 | // check if frame outside edit list mark it for discard | ||
| 4340 | 697122 | frame_duration = (current + 1 < e_old_end) ? | |
| 4341 |
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|
348561 | ((current + 1)->timestamp - current->timestamp) : edit_list_duration; |
| 4342 | |||
| 4343 | 348561 | flags = current->flags; | |
| 4344 | |||
| 4345 | // frames (pts) before or after edit list | ||
| 4346 | 348561 | curr_cts = current->timestamp + msc->dts_shift; | |
| 4347 | 348561 | curr_ctts = 0; | |
| 4348 | |||
| 4349 |
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|
348561 | if (tts_data_old && tts_index_old < tts_count_old) { |
| 4350 | 186062 | curr_ctts = tts_data_old[tts_index_old].offset; | |
| 4351 | 186062 | av_log(mov->fc, AV_LOG_TRACE, "stts: %"PRId64" ctts: %"PRId64", tts_index: %"PRId64", tts_count: %"PRId64"\n", | |
| 4352 | curr_cts, curr_ctts, tts_index_old, tts_count_old); | ||
| 4353 | 186062 | curr_cts += curr_ctts; | |
| 4354 | 186062 | tts_sample_old++; | |
| 4355 |
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|
186062 | if (tts_sample_old == tts_data_old[tts_index_old].count) { |
| 4356 |
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|
186062 | if (add_tts_entry(&msc->tts_data, &msc->tts_count, |
| 4357 | &msc->tts_allocated_size, | ||
| 4358 | 186062 | tts_data_old[tts_index_old].count - edit_list_start_tts_sample, | |
| 4359 | 186062 | tts_data_old[tts_index_old].offset, tts_data_old[tts_index_old].duration) == -1) { | |
| 4360 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Cannot add Time To Sample entry %"PRId64" - {%"PRId64", %d}\n", | |
| 4361 | tts_index_old, | ||
| 4362 | ✗ | tts_data_old[tts_index_old].count - edit_list_start_tts_sample, | |
| 4363 | ✗ | tts_data_old[tts_index_old].offset); | |
| 4364 | ✗ | break; | |
| 4365 | } | ||
| 4366 | 186062 | tts_index_old++; | |
| 4367 | 186062 | tts_sample_old = 0; | |
| 4368 | 186062 | edit_list_start_tts_sample = 0; | |
| 4369 | } | ||
| 4370 | } | ||
| 4371 | |||
| 4372 |
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|
348561 | if (curr_cts < edit_list_media_time || curr_cts >= (edit_list_duration + edit_list_media_time)) { |
| 4373 |
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|
282 | if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && st->codecpar->codec_id != AV_CODEC_ID_VORBIS && |
| 4374 |
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|
31 | curr_cts < edit_list_media_time && curr_cts + frame_duration > edit_list_media_time && |
| 4375 | first_non_zero_audio_edit > 0) { | ||
| 4376 | 11 | packet_skip_samples = edit_list_media_time - curr_cts; | |
| 4377 | 11 | sti->skip_samples += packet_skip_samples; | |
| 4378 | |||
| 4379 | // Shift the index entry timestamp by packet_skip_samples to be correct. | ||
| 4380 | 11 | edit_list_dts_counter -= packet_skip_samples; | |
| 4381 |
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|
11 | if (edit_list_start_encountered == 0) { |
| 4382 | 11 | edit_list_start_encountered = 1; | |
| 4383 | // Make timestamps strictly monotonically increasing for audio, by rewriting timestamps for | ||
| 4384 | // discarded packets. | ||
| 4385 |
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|
11 | if (frame_duration_buffer) { |
| 4386 | 6 | fix_index_entry_timestamps(st, sti->nb_index_entries, edit_list_dts_counter, | |
| 4387 | frame_duration_buffer, num_discarded_begin); | ||
| 4388 | 6 | av_freep(&frame_duration_buffer); | |
| 4389 | } | ||
| 4390 | } | ||
| 4391 | |||
| 4392 | 11 | av_log(mov->fc, AV_LOG_DEBUG, "skip %d audio samples from curr_cts: %"PRId64"\n", packet_skip_samples, curr_cts); | |
| 4393 | } else { | ||
| 4394 | 271 | flags |= AVINDEX_DISCARD_FRAME; | |
| 4395 | 271 | av_log(mov->fc, AV_LOG_DEBUG, "drop a frame at curr_cts: %"PRId64" @ %"PRId64"\n", curr_cts, index); | |
| 4396 | |||
| 4397 |
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|
271 | if (edit_list_start_encountered == 0) { |
| 4398 | 139 | num_discarded_begin++; | |
| 4399 | 139 | frame_duration_buffer = av_realloc(frame_duration_buffer, | |
| 4400 | num_discarded_begin * sizeof(int64_t)); | ||
| 4401 |
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|
139 | if (!frame_duration_buffer) { |
| 4402 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Cannot reallocate frame duration buffer\n"); | |
| 4403 | ✗ | break; | |
| 4404 | } | ||
| 4405 | 139 | frame_duration_buffer[num_discarded_begin - 1] = frame_duration; | |
| 4406 | |||
| 4407 | // Increment skip_samples for the first non-zero audio edit list | ||
| 4408 |
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139 | if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && |
| 4409 |
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|
66 | first_non_zero_audio_edit > 0 && st->codecpar->codec_id != AV_CODEC_ID_VORBIS) { |
| 4410 | 20 | sti->skip_samples += frame_duration; | |
| 4411 | } | ||
| 4412 | } | ||
| 4413 | } | ||
| 4414 | } else { | ||
| 4415 |
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|
348279 | if (msc->min_corrected_pts < 0) { |
| 4416 | 442 | msc->min_corrected_pts = edit_list_dts_counter + curr_ctts + msc->dts_shift; | |
| 4417 | } else { | ||
| 4418 | 347837 | msc->min_corrected_pts = FFMIN(msc->min_corrected_pts, edit_list_dts_counter + curr_ctts + msc->dts_shift); | |
| 4419 | } | ||
| 4420 |
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|
348279 | if (edit_list_start_encountered == 0) { |
| 4421 | 453 | edit_list_start_encountered = 1; | |
| 4422 | // Make timestamps strictly monotonically increasing by rewriting timestamps for | ||
| 4423 | // discarded packets. | ||
| 4424 |
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|
453 | if (frame_duration_buffer) { |
| 4425 | 21 | fix_index_entry_timestamps(st, sti->nb_index_entries, edit_list_dts_counter, | |
| 4426 | frame_duration_buffer, num_discarded_begin); | ||
| 4427 | 21 | av_freep(&frame_duration_buffer); | |
| 4428 | } | ||
| 4429 | } | ||
| 4430 | } | ||
| 4431 | |||
| 4432 |
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|
348561 | if (add_index_entry(st, current->pos, edit_list_dts_counter, current->size, |
| 4433 | 348561 | current->min_distance, flags) == -1) { | |
| 4434 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Cannot add index entry\n"); | |
| 4435 | ✗ | break; | |
| 4436 | } | ||
| 4437 | |||
| 4438 | // Update the index ranges array | ||
| 4439 |
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|
348561 | if (!current_index_range || index != current_index_range->end) { |
| 4440 | 464 | current_index_range = current_index_range ? current_index_range + 1 | |
| 4441 |
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|
464 | : msc->index_ranges; |
| 4442 | 464 | current_index_range->start = index; | |
| 4443 | } | ||
| 4444 | 348561 | current_index_range->end = index + 1; | |
| 4445 | |||
| 4446 | // Only start incrementing DTS in frame_duration amounts, when we encounter a frame in edit list. | ||
| 4447 |
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|
348561 | if (edit_list_start_encountered > 0) { |
| 4448 | 348422 | edit_list_dts_counter = edit_list_dts_counter + frame_duration; | |
| 4449 | } | ||
| 4450 | |||
| 4451 | // Break when found first key frame after edit entry completion | ||
| 4452 |
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|
348561 | if ((curr_cts + frame_duration >= (edit_list_duration + edit_list_media_time)) && |
| 4453 |
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|
622 | ((flags & AVINDEX_KEYFRAME) || ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)))) { |
| 4454 |
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|
364 | if (msc->ctts_count) { |
| 4455 | // If we have CTTS and this is the first keyframe after edit elist, | ||
| 4456 | // wait for one more, because there might be trailing B-frames after this I-frame | ||
| 4457 | // that do belong to the edit. | ||
| 4458 |
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|
21 | if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO && found_keyframe_after_edit == 0) { |
| 4459 | 12 | found_keyframe_after_edit = 1; | |
| 4460 | 12 | continue; | |
| 4461 | } | ||
| 4462 |
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|
9 | if (tts_sample_old != 0) { |
| 4463 | ✗ | if (add_tts_entry(&msc->tts_data, &msc->tts_count, | |
| 4464 | &msc->tts_allocated_size, | ||
| 4465 | ✗ | tts_sample_old - edit_list_start_tts_sample, | |
| 4466 | ✗ | tts_data_old[tts_index_old].offset, tts_data_old[tts_index_old].duration) == -1) { | |
| 4467 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Cannot add Time To Sample entry %"PRId64" - {%"PRId64", %d}\n", | |
| 4468 | tts_index_old, tts_sample_old - edit_list_start_tts_sample, | ||
| 4469 | ✗ | tts_data_old[tts_index_old].offset); | |
| 4470 | ✗ | break; | |
| 4471 | } | ||
| 4472 | } | ||
| 4473 | } | ||
| 4474 | 352 | break; | |
| 4475 | } | ||
| 4476 | } | ||
| 4477 | } | ||
| 4478 | // If there are empty edits, then msc->min_corrected_pts might be positive | ||
| 4479 | // intentionally. So we subtract the sum duration of empty edits here. | ||
| 4480 | 443 | msc->min_corrected_pts -= empty_edits_sum_duration; | |
| 4481 | |||
| 4482 | // If the minimum pts turns out to be greater than zero after fixing the index, then we subtract the | ||
| 4483 | // dts by that amount to make the first pts zero. | ||
| 4484 |
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|
443 | if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 4485 |
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|
274 | if (msc->min_corrected_pts > 0) { |
| 4486 | 41 | av_log(mov->fc, AV_LOG_DEBUG, "Offset DTS by %"PRId64" to make first pts zero.\n", msc->min_corrected_pts); | |
| 4487 |
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|
2870 | for (int i = 0; i < sti->nb_index_entries; ++i) |
| 4488 | 2829 | sti->index_entries[i].timestamp -= msc->min_corrected_pts; | |
| 4489 | } | ||
| 4490 | } | ||
| 4491 | // Start time should be equal to zero or the duration of any empty edits. | ||
| 4492 | 443 | st->start_time = empty_edits_sum_duration; | |
| 4493 | |||
| 4494 | // Update av stream length, if it ends up shorter than the track's media duration | ||
| 4495 | 443 | st->duration = FFMIN(st->duration, edit_list_dts_entry_end - start_dts); | |
| 4496 | 443 | msc->start_pad = sti->skip_samples; | |
| 4497 | |||
| 4498 | // Free the old index and the old CTTS structures | ||
| 4499 | 443 | av_free(e_old); | |
| 4500 | 443 | av_free(tts_data_old); | |
| 4501 | 443 | av_freep(&frame_duration_buffer); | |
| 4502 | |||
| 4503 | // Null terminate the index ranges array | ||
| 4504 | 443 | current_index_range = current_index_range ? current_index_range + 1 | |
| 4505 |
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|
443 | : msc->index_ranges; |
| 4506 | 443 | current_index_range->start = 0; | |
| 4507 | 443 | current_index_range->end = 0; | |
| 4508 | 443 | msc->current_index = msc->index_ranges[0].start; | |
| 4509 | } | ||
| 4510 | |||
| 4511 | 5 | static uint32_t get_sgpd_sync_index(const MOVStreamContext *sc, int nal_unit_type) | |
| 4512 | { | ||
| 4513 |
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|
8 | for (uint32_t i = 0; i < sc->sgpd_sync_count; i++) |
| 4514 |
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|
8 | if (sc->sgpd_sync[i] == nal_unit_type) |
| 4515 | 5 | return i + 1; | |
| 4516 | ✗ | return 0; | |
| 4517 | } | ||
| 4518 | |||
| 4519 | 643 | static int build_open_gop_key_points(AVStream *st) | |
| 4520 | { | ||
| 4521 | int k; | ||
| 4522 | 643 | int sample_id = 0; | |
| 4523 | uint32_t cra_index; | ||
| 4524 | 643 | MOVStreamContext *sc = st->priv_data; | |
| 4525 | |||
| 4526 |
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|
643 | if (st->codecpar->codec_id != AV_CODEC_ID_HEVC || !sc->sync_group_count) |
| 4527 | 638 | return 0; | |
| 4528 | |||
| 4529 | /* Build an unrolled index of the samples */ | ||
| 4530 | 5 | sc->sample_offsets_count = 0; | |
| 4531 |
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|
327 | for (uint32_t i = 0; i < sc->ctts_count; i++) { |
| 4532 |
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|
322 | if (sc->ctts_data[i].count > INT_MAX - sc->sample_offsets_count) |
| 4533 | ✗ | return AVERROR(ENOMEM); | |
| 4534 | 322 | sc->sample_offsets_count += sc->ctts_data[i].count; | |
| 4535 | } | ||
| 4536 | 5 | av_freep(&sc->sample_offsets); | |
| 4537 | 5 | sc->sample_offsets = av_calloc(sc->sample_offsets_count, sizeof(*sc->sample_offsets)); | |
| 4538 |
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|
5 | if (!sc->sample_offsets) |
| 4539 | ✗ | return AVERROR(ENOMEM); | |
| 4540 | 5 | k = 0; | |
| 4541 |
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|
327 | for (uint32_t i = 0; i < sc->ctts_count; i++) |
| 4542 |
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|
644 | for (int j = 0; j < sc->ctts_data[i].count; j++) |
| 4543 | 322 | sc->sample_offsets[k++] = sc->ctts_data[i].offset; | |
| 4544 | |||
| 4545 | /* The following HEVC NAL type reveal the use of open GOP sync points | ||
| 4546 | * (TODO: BLA types may also be concerned) */ | ||
| 4547 | 5 | cra_index = get_sgpd_sync_index(sc, HEVC_NAL_CRA_NUT); /* Clean Random Access */ | |
| 4548 |
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|
5 | if (!cra_index) |
| 4549 | ✗ | return 0; | |
| 4550 | |||
| 4551 | /* Build a list of open-GOP key samples */ | ||
| 4552 | 5 | sc->open_key_samples_count = 0; | |
| 4553 |
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|
33 | for (uint32_t i = 0; i < sc->sync_group_count; i++) |
| 4554 |
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|
28 | if (sc->sync_group[i].index == cra_index) { |
| 4555 |
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|
11 | if (sc->sync_group[i].count > INT_MAX - sc->open_key_samples_count) |
| 4556 | ✗ | return AVERROR(ENOMEM); | |
| 4557 | 11 | sc->open_key_samples_count += sc->sync_group[i].count; | |
| 4558 | } | ||
| 4559 | 5 | av_freep(&sc->open_key_samples); | |
| 4560 | 5 | sc->open_key_samples = av_calloc(sc->open_key_samples_count, sizeof(*sc->open_key_samples)); | |
| 4561 |
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|
5 | if (!sc->open_key_samples) |
| 4562 | ✗ | return AVERROR(ENOMEM); | |
| 4563 | 5 | k = 0; | |
| 4564 |
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|
33 | for (uint32_t i = 0; i < sc->sync_group_count; i++) { |
| 4565 | 28 | const MOVSbgp *sg = &sc->sync_group[i]; | |
| 4566 |
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|
28 | if (sg->index == cra_index) |
| 4567 |
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|
22 | for (uint32_t j = 0; j < sg->count; j++) |
| 4568 | 11 | sc->open_key_samples[k++] = sample_id; | |
| 4569 |
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|
28 | if (sg->count > INT_MAX - sample_id) |
| 4570 | ✗ | return AVERROR_PATCHWELCOME; | |
| 4571 | 28 | sample_id += sg->count; | |
| 4572 | } | ||
| 4573 | |||
| 4574 | /* Identify the minimal time step between samples */ | ||
| 4575 | 5 | sc->min_sample_duration = UINT_MAX; | |
| 4576 |
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|
16 | for (uint32_t i = 0; i < sc->stts_count; i++) |
| 4577 | 11 | sc->min_sample_duration = FFMIN(sc->min_sample_duration, sc->stts_data[i].duration); | |
| 4578 | |||
| 4579 | 5 | return 0; | |
| 4580 | } | ||
| 4581 | |||
| 4582 | #define MOV_MERGE_CTTS 1 | ||
| 4583 | #define MOV_MERGE_STTS 2 | ||
| 4584 | /* | ||
| 4585 | * Merge stts and ctts arrays into a new combined array. | ||
| 4586 | * stts_count and ctts_count may be left untouched as they will be | ||
| 4587 | * used to check for the presence of either of them. | ||
| 4588 | */ | ||
| 4589 | 618 | static int mov_merge_tts_data(MOVContext *mov, AVStream *st, int flags) | |
| 4590 | { | ||
| 4591 | 618 | MOVStreamContext *sc = st->priv_data; | |
| 4592 |
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618 | int ctts = sc->ctts_data && (flags & MOV_MERGE_CTTS); |
| 4593 |
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|
618 | int stts = sc->stts_data && (flags & MOV_MERGE_STTS); |
| 4594 | 618 | int idx = 0; | |
| 4595 | |||
| 4596 |
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|
618 | if (!sc->ctts_data && !sc->stts_data) |
| 4597 | ✗ | return 0; | |
| 4598 | // Expand time to sample entries such that we have a 1-1 mapping with samples | ||
| 4599 |
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|
618 | if (!sc->sample_count || sc->sample_count >= UINT_MAX / sizeof(*sc->tts_data)) |
| 4600 | ✗ | return -1; | |
| 4601 | |||
| 4602 |
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|
618 | if (ctts) { |
| 4603 | 118 | sc->tts_data = av_fast_realloc(NULL, &sc->tts_allocated_size, | |
| 4604 | 59 | sc->sample_count * sizeof(*sc->tts_data)); | |
| 4605 |
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|
59 | if (!sc->tts_data) |
| 4606 | ✗ | return -1; | |
| 4607 | |||
| 4608 | 59 | memset(sc->tts_data, 0, sc->tts_allocated_size); | |
| 4609 | |||
| 4610 |
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|
4933 | for (int i = 0; i < sc->ctts_count && |
| 4611 |
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|
9748 | idx < sc->sample_count; i++) |
| 4612 |
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|
143891 | for (int j = 0; j < sc->ctts_data[i].count && |
| 4613 |
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|
139017 | idx < sc->sample_count; j++) { |
| 4614 | 139017 | sc->tts_data[idx].offset = sc->ctts_data[i].offset; | |
| 4615 | 139017 | sc->tts_data[idx++].count = 1; | |
| 4616 | } | ||
| 4617 | |||
| 4618 | 59 | sc->tts_count = idx; | |
| 4619 | } else | ||
| 4620 | 559 | sc->ctts_count = 0; | |
| 4621 | 618 | av_freep(&sc->ctts_data); | |
| 4622 | 618 | sc->ctts_allocated_size = 0; | |
| 4623 | |||
| 4624 | 618 | idx = 0; | |
| 4625 |
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|
618 | if (stts) { |
| 4626 | 552 | MOVTimeToSample *tts_data = av_fast_realloc(sc->tts_data, &sc->tts_allocated_size, | |
| 4627 | 552 | sc->sample_count * sizeof(*sc->tts_data)); | |
| 4628 |
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|
552 | if (!tts_data) |
| 4629 | ✗ | return -1; | |
| 4630 | |||
| 4631 |
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|
552 | if (!sc->tts_data) |
| 4632 | 493 | memset(tts_data, 0, sc->tts_allocated_size); | |
| 4633 | 552 | sc->tts_data = tts_data; | |
| 4634 | |||
| 4635 |
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|
3467 | for (int i = 0; i < sc->stts_count && |
| 4636 |
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|
5830 | idx < sc->sample_count; i++) |
| 4637 |
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|
239188 | for (int j = 0; j < sc->stts_data[i].count && |
| 4638 |
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|
236273 | idx < sc->sample_count; j++) { |
| 4639 | 236273 | sc->tts_data[idx].duration = sc->stts_data[i].duration; | |
| 4640 | 236273 | sc->tts_data[idx++].count = 1; | |
| 4641 | } | ||
| 4642 | |||
| 4643 | 552 | sc->tts_count = FFMAX(sc->tts_count, idx); | |
| 4644 | } else | ||
| 4645 | 66 | sc->stts_count = 0; | |
| 4646 | 618 | av_freep(&sc->stts_data); | |
| 4647 | 618 | sc->stts_allocated_size = 0; | |
| 4648 | |||
| 4649 | 618 | return 0; | |
| 4650 | } | ||
| 4651 | |||
| 4652 | 643 | static void mov_build_index(MOVContext *mov, AVStream *st) | |
| 4653 | { | ||
| 4654 | 643 | MOVStreamContext *sc = st->priv_data; | |
| 4655 | 643 | FFStream *const sti = ffstream(st); | |
| 4656 | int64_t current_offset; | ||
| 4657 | 643 | int64_t current_dts = 0; | |
| 4658 | 643 | unsigned int stts_index = 0; | |
| 4659 | 643 | unsigned int stsc_index = 0; | |
| 4660 | 643 | unsigned int stss_index = 0; | |
| 4661 | 643 | unsigned int stps_index = 0; | |
| 4662 | unsigned int i, j; | ||
| 4663 | 643 | uint64_t stream_size = 0; | |
| 4664 | |||
| 4665 | 643 | int ret = build_open_gop_key_points(st); | |
| 4666 |
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|
643 | if (ret < 0) |
| 4667 | ✗ | return; | |
| 4668 | |||
| 4669 |
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|
643 | if (sc->elst_count) { |
| 4670 | 446 | int i, edit_start_index = 0, multiple_edits = 0; | |
| 4671 | 446 | int64_t empty_duration = 0; // empty duration of the first edit list entry | |
| 4672 | 446 | int64_t start_time = 0; // start time of the media | |
| 4673 | |||
| 4674 |
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|
919 | for (i = 0; i < sc->elst_count; i++) { |
| 4675 | 473 | const MOVElst *e = &sc->elst_data[i]; | |
| 4676 |
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|
473 | if (i == 0 && e->time == -1) { |
| 4677 | /* if empty, the first entry is the start time of the stream | ||
| 4678 | * relative to the presentation itself */ | ||
| 4679 | 4 | empty_duration = e->duration; | |
| 4680 | 4 | edit_start_index = 1; | |
| 4681 |
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|
469 | } else if (i == edit_start_index && e->time >= 0) { |
| 4682 | 446 | start_time = e->time; | |
| 4683 | } else { | ||
| 4684 | 23 | multiple_edits = 1; | |
| 4685 | } | ||
| 4686 | } | ||
| 4687 | |||
| 4688 |
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|
446 | if (multiple_edits && !mov->advanced_editlist) { |
| 4689 | ✗ | if (mov->advanced_editlist_autodisabled) | |
| 4690 | ✗ | av_log(mov->fc, AV_LOG_WARNING, "multiple edit list entries, " | |
| 4691 | "not supported in fragmented MP4 files\n"); | ||
| 4692 | else | ||
| 4693 | ✗ | av_log(mov->fc, AV_LOG_WARNING, "multiple edit list entries, " | |
| 4694 | "Use -advanced_editlist to correctly decode otherwise " | ||
| 4695 | "a/v desync might occur\n"); | ||
| 4696 | } | ||
| 4697 | |||
| 4698 | /* adjust first dts according to edit list */ | ||
| 4699 |
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|
446 | if ((empty_duration || start_time) && mov->time_scale > 0) { |
| 4700 |
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|
73 | if (empty_duration) |
| 4701 | 4 | empty_duration = av_rescale(empty_duration, sc->time_scale, mov->time_scale); | |
| 4702 | |||
| 4703 |
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|
73 | if (av_sat_sub64(start_time, empty_duration) != start_time - (uint64_t)empty_duration) |
| 4704 | ✗ | av_log(mov->fc, AV_LOG_WARNING, "start_time - empty_duration is not representable\n"); | |
| 4705 | |||
| 4706 | 73 | sc->time_offset = start_time - (uint64_t)empty_duration; | |
| 4707 | 73 | sc->min_corrected_pts = start_time; | |
| 4708 |
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|
73 | if (!mov->advanced_editlist) |
| 4709 | 1 | current_dts = -sc->time_offset; | |
| 4710 | } | ||
| 4711 | |||
| 4712 |
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|
446 | if (!multiple_edits && !mov->advanced_editlist && |
| 4713 |
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|
3 | st->codecpar->codec_id == AV_CODEC_ID_AAC && start_time > 0) |
| 4714 | ✗ | sc->start_pad = start_time; | |
| 4715 | } | ||
| 4716 | |||
| 4717 | /* only use old uncompressed audio chunk demuxing when stts specifies it */ | ||
| 4718 |
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|
643 | if (!(st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && |
| 4719 |
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|
795 | sc->stts_count == 1 && sc->stts_data && sc->stts_data[0].duration == 1)) { |
| 4720 | 577 | unsigned int current_sample = 0; | |
| 4721 | 577 | unsigned int stts_sample = 0; | |
| 4722 | unsigned int sample_size; | ||
| 4723 | 577 | unsigned int distance = 0; | |
| 4724 | 577 | unsigned int rap_group_index = 0; | |
| 4725 | 577 | unsigned int rap_group_sample = 0; | |
| 4726 |
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577 | int rap_group_present = sc->rap_group_count && sc->rap_group; |
| 4727 |
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|
577 | int key_off = (sc->keyframe_count && sc->keyframes[0] > 0) || (sc->stps_count && sc->stps_data[0] > 0); |
| 4728 | |||
| 4729 | 577 | current_dts -= sc->dts_shift; | |
| 4730 | |||
| 4731 |
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|
577 | if (!sc->sample_count || sti->nb_index_entries || sc->tts_count) |
| 4732 | 25 | return; | |
| 4733 |
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|
552 | if (sc->sample_count >= UINT_MAX / sizeof(*sti->index_entries) - sti->nb_index_entries) |
| 4734 | ✗ | return; | |
| 4735 |
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|
552 | if (av_reallocp_array(&sti->index_entries, |
| 4736 | 552 | sti->nb_index_entries + sc->sample_count, | |
| 4737 | sizeof(*sti->index_entries)) < 0) { | ||
| 4738 | ✗ | sti->nb_index_entries = 0; | |
| 4739 | ✗ | return; | |
| 4740 | } | ||
| 4741 | 552 | sti->index_entries_allocated_size = (sti->nb_index_entries + sc->sample_count) * sizeof(*sti->index_entries); | |
| 4742 | |||
| 4743 | 552 | ret = mov_merge_tts_data(mov, st, MOV_MERGE_CTTS | MOV_MERGE_STTS); | |
| 4744 |
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|
552 | if (ret < 0) |
| 4745 | ✗ | return; | |
| 4746 | |||
| 4747 |
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|
174765 | for (i = 0; i < sc->chunk_count; i++) { |
| 4748 |
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|
174213 | int64_t next_offset = i+1 < sc->chunk_count ? sc->chunk_offsets[i+1] : INT64_MAX; |
| 4749 | 174213 | current_offset = sc->chunk_offsets[i]; | |
| 4750 |
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|
176758 | while (mov_stsc_index_valid(stsc_index, sc->stsc_count) && |
| 4751 |
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|
8863 | i + 1 == sc->stsc_data[stsc_index + 1].first) |
| 4752 | 2545 | stsc_index++; | |
| 4753 | |||
| 4754 |
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|
174213 | if (next_offset > current_offset && sc->sample_size>0 && sc->sample_size < sc->stsz_sample_size && |
| 4755 | ✗ | sc->stsc_data[stsc_index].count * (int64_t)sc->stsz_sample_size > next_offset - current_offset) { | |
| 4756 | ✗ | av_log(mov->fc, AV_LOG_WARNING, "STSZ sample size %d invalid (too large), ignoring\n", sc->stsz_sample_size); | |
| 4757 | ✗ | sc->stsz_sample_size = sc->sample_size; | |
| 4758 | } | ||
| 4759 |
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|
174213 | if (sc->stsz_sample_size>0 && sc->stsz_sample_size < sc->sample_size) { |
| 4760 | ✗ | av_log(mov->fc, AV_LOG_WARNING, "STSZ sample size %d invalid (too small), ignoring\n", sc->stsz_sample_size); | |
| 4761 | ✗ | sc->stsz_sample_size = sc->sample_size; | |
| 4762 | } | ||
| 4763 | |||
| 4764 |
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|
410486 | for (j = 0; j < sc->stsc_data[stsc_index].count; j++) { |
| 4765 | 236273 | int keyframe = 0; | |
| 4766 |
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|
236273 | if (current_sample >= sc->sample_count) { |
| 4767 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "wrong sample count\n"); | |
| 4768 | ✗ | return; | |
| 4769 | } | ||
| 4770 | |||
| 4771 |
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|
236273 | if (!sc->keyframe_absent && (!sc->keyframe_count || current_sample+key_off == sc->keyframes[stss_index])) { |
| 4772 | 84575 | keyframe = 1; | |
| 4773 |
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|
84575 | if (stss_index + 1 < sc->keyframe_count) |
| 4774 | 5570 | stss_index++; | |
| 4775 |
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|
151698 | } else if (sc->stps_count && current_sample+key_off == sc->stps_data[stps_index]) { |
| 4776 | ✗ | keyframe = 1; | |
| 4777 | ✗ | if (stps_index + 1 < sc->stps_count) | |
| 4778 | ✗ | stps_index++; | |
| 4779 | } | ||
| 4780 |
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236273 | if (rap_group_present && rap_group_index < sc->rap_group_count) { |
| 4781 |
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|
188 | if (sc->rap_group[rap_group_index].index > 0) |
| 4782 | 2 | keyframe = 1; | |
| 4783 |
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|
188 | if (++rap_group_sample == sc->rap_group[rap_group_index].count) { |
| 4784 | 4 | rap_group_sample = 0; | |
| 4785 | 4 | rap_group_index++; | |
| 4786 | } | ||
| 4787 | } | ||
| 4788 |
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|
236273 | if (sc->keyframe_absent |
| 4789 |
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|
4756 | && !sc->stps_count |
| 4790 |
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4756 | && !rap_group_present |
| 4791 |
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|
4756 | && (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO || (i==0 && j==0))) |
| 4792 | 3884 | keyframe = 1; | |
| 4793 |
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|
236273 | if (keyframe) |
| 4794 | 88459 | distance = 0; | |
| 4795 |
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|
236273 | sample_size = sc->stsz_sample_size > 0 ? sc->stsz_sample_size : sc->sample_sizes[current_sample]; |
| 4796 |
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|
236273 | if (current_offset > INT64_MAX - sample_size) { |
| 4797 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Current offset %"PRId64" or sample size %u is too large\n", | |
| 4798 | current_offset, | ||
| 4799 | sample_size); | ||
| 4800 | ✗ | return; | |
| 4801 | } | ||
| 4802 | |||
| 4803 |
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|
236273 | if (sc->pseudo_stream_id == -1 || |
| 4804 |
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|
236184 | sc->stsc_data[stsc_index].id - 1 == sc->pseudo_stream_id) { |
| 4805 | AVIndexEntry *e; | ||
| 4806 |
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|
236273 | if (sample_size > 0x3FFFFFFF) { |
| 4807 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Sample size %u is too large\n", sample_size); | |
| 4808 | ✗ | return; | |
| 4809 | } | ||
| 4810 | 236273 | e = &sti->index_entries[sti->nb_index_entries++]; | |
| 4811 | 236273 | e->pos = current_offset; | |
| 4812 | 236273 | e->timestamp = current_dts; | |
| 4813 | 236273 | e->size = sample_size; | |
| 4814 | 236273 | e->min_distance = distance; | |
| 4815 | 236273 | e->flags = keyframe ? AVINDEX_KEYFRAME : 0; | |
| 4816 | 236273 | av_log(mov->fc, AV_LOG_TRACE, "AVIndex stream %d, sample %u, offset %"PRIx64", dts %"PRId64", " | |
| 4817 | "size %u, distance %u, keyframe %d\n", st->index, current_sample, | ||
| 4818 | current_offset, current_dts, sample_size, distance, keyframe); | ||
| 4819 |
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|
236273 | if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && sti->nb_index_entries < 100) |
| 4820 | 10385 | ff_rfps_add_frame(mov->fc, st, current_dts); | |
| 4821 | } | ||
| 4822 | |||
| 4823 | 236273 | current_offset += sample_size; | |
| 4824 | 236273 | stream_size += sample_size; | |
| 4825 | |||
| 4826 | 236273 | current_dts += sc->tts_data[stts_index].duration; | |
| 4827 | |||
| 4828 | 236273 | distance++; | |
| 4829 | 236273 | stts_sample++; | |
| 4830 | 236273 | current_sample++; | |
| 4831 |
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|
236273 | if (stts_index + 1 < sc->tts_count && stts_sample == sc->tts_data[stts_index].count) { |
| 4832 | 235721 | stts_sample = 0; | |
| 4833 | 235721 | stts_index++; | |
| 4834 | } | ||
| 4835 | } | ||
| 4836 | } | ||
| 4837 |
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|
552 | if (st->duration > 0) |
| 4838 | 521 | st->codecpar->bit_rate = stream_size*8*sc->time_scale/st->duration; | |
| 4839 | } else { | ||
| 4840 | 66 | unsigned chunk_samples, total = 0; | |
| 4841 | |||
| 4842 |
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|
66 | if (!sc->chunk_count || sc->tts_count) |
| 4843 | ✗ | return; | |
| 4844 | |||
| 4845 | // compute total chunk count | ||
| 4846 |
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|
789 | for (i = 0; i < sc->stsc_count; i++) { |
| 4847 | unsigned count, chunk_count; | ||
| 4848 | |||
| 4849 | 723 | chunk_samples = sc->stsc_data[i].count; | |
| 4850 |
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|
723 | if (i != sc->stsc_count - 1 && |
| 4851 |
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|
657 | sc->samples_per_frame && chunk_samples % sc->samples_per_frame) { |
| 4852 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "error unaligned chunk\n"); | |
| 4853 | ✗ | return; | |
| 4854 | } | ||
| 4855 | |||
| 4856 |
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|
723 | if (sc->samples_per_frame >= 160) { // gsm |
| 4857 | 75 | count = chunk_samples / sc->samples_per_frame; | |
| 4858 |
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|
648 | } else if (sc->samples_per_frame > 1) { |
| 4859 | 531 | unsigned samples = (1024/sc->samples_per_frame)*sc->samples_per_frame; | |
| 4860 | 531 | count = (chunk_samples+samples-1) / samples; | |
| 4861 | } else { | ||
| 4862 | 117 | count = (chunk_samples+1023) / 1024; | |
| 4863 | } | ||
| 4864 | |||
| 4865 |
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|
723 | if (mov_stsc_index_valid(i, sc->stsc_count)) |
| 4866 | 657 | chunk_count = sc->stsc_data[i+1].first - sc->stsc_data[i].first; | |
| 4867 | else | ||
| 4868 | 66 | chunk_count = sc->chunk_count - (sc->stsc_data[i].first - 1); | |
| 4869 | 723 | total += chunk_count * count; | |
| 4870 | } | ||
| 4871 | |||
| 4872 | 66 | av_log(mov->fc, AV_LOG_TRACE, "chunk count %u\n", total); | |
| 4873 |
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|
66 | if (total >= UINT_MAX / sizeof(*sti->index_entries) - sti->nb_index_entries) |
| 4874 | ✗ | return; | |
| 4875 |
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|
66 | if (av_reallocp_array(&sti->index_entries, |
| 4876 | 66 | sti->nb_index_entries + total, | |
| 4877 | sizeof(*sti->index_entries)) < 0) { | ||
| 4878 | ✗ | sti->nb_index_entries = 0; | |
| 4879 | ✗ | return; | |
| 4880 | } | ||
| 4881 | 66 | sti->index_entries_allocated_size = (sti->nb_index_entries + total) * sizeof(*sti->index_entries); | |
| 4882 | |||
| 4883 | // populate index | ||
| 4884 |
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|
5494 | for (i = 0; i < sc->chunk_count; i++) { |
| 4885 | 5428 | current_offset = sc->chunk_offsets[i]; | |
| 4886 |
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|
5428 | if (mov_stsc_index_valid(stsc_index, sc->stsc_count) && |
| 4887 |
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|
5287 | i + 1 == sc->stsc_data[stsc_index + 1].first) |
| 4888 | 657 | stsc_index++; | |
| 4889 | 5428 | chunk_samples = sc->stsc_data[stsc_index].count; | |
| 4890 | |||
| 4891 |
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|
167960 | while (chunk_samples > 0) { |
| 4892 | AVIndexEntry *e; | ||
| 4893 | unsigned size, samples; | ||
| 4894 | |||
| 4895 |
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|
162532 | if (sc->samples_per_frame > 1 && !sc->bytes_per_frame) { |
| 4896 | ✗ | avpriv_request_sample(mov->fc, | |
| 4897 | "Zero bytes per frame, but %d samples per frame", | ||
| 4898 | sc->samples_per_frame); | ||
| 4899 | ✗ | return; | |
| 4900 | } | ||
| 4901 | |||
| 4902 |
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|
162532 | if (sc->samples_per_frame >= 160) { // gsm |
| 4903 | 14358 | samples = sc->samples_per_frame; | |
| 4904 | 14358 | size = sc->bytes_per_frame; | |
| 4905 | } else { | ||
| 4906 |
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|
148174 | if (sc->samples_per_frame > 1) { |
| 4907 | 9563 | samples = FFMIN((1024 / sc->samples_per_frame)* | |
| 4908 | sc->samples_per_frame, chunk_samples); | ||
| 4909 | 9563 | size = (samples / sc->samples_per_frame) * sc->bytes_per_frame; | |
| 4910 | } else { | ||
| 4911 | 138611 | samples = FFMIN(1024, chunk_samples); | |
| 4912 | 138611 | size = samples * sc->sample_size; | |
| 4913 | } | ||
| 4914 | } | ||
| 4915 | |||
| 4916 |
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|
162532 | if (sti->nb_index_entries >= total) { |
| 4917 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "wrong chunk count %u\n", total); | |
| 4918 | ✗ | return; | |
| 4919 | } | ||
| 4920 |
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|
162532 | if (size > 0x3FFFFFFF) { |
| 4921 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Sample size %u is too large\n", size); | |
| 4922 | ✗ | return; | |
| 4923 | } | ||
| 4924 | 162532 | e = &sti->index_entries[sti->nb_index_entries++]; | |
| 4925 | 162532 | e->pos = current_offset; | |
| 4926 | 162532 | e->timestamp = current_dts; | |
| 4927 | 162532 | e->size = size; | |
| 4928 | 162532 | e->min_distance = 0; | |
| 4929 | 162532 | e->flags = AVINDEX_KEYFRAME; | |
| 4930 | 162532 | av_log(mov->fc, AV_LOG_TRACE, "AVIndex stream %d, chunk %u, offset %"PRIx64", dts %"PRId64", " | |
| 4931 | "size %u, duration %u\n", st->index, i, current_offset, current_dts, | ||
| 4932 | size, samples); | ||
| 4933 | |||
| 4934 | 162532 | current_offset += size; | |
| 4935 | 162532 | current_dts += samples; | |
| 4936 | 162532 | chunk_samples -= samples; | |
| 4937 | } | ||
| 4938 | } | ||
| 4939 | |||
| 4940 | 66 | ret = mov_merge_tts_data(mov, st, MOV_MERGE_CTTS); | |
| 4941 |
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|
66 | if (ret < 0) |
| 4942 | ✗ | return; | |
| 4943 | } | ||
| 4944 | |||
| 4945 |
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618 | if (!mov->ignore_editlist && mov->advanced_editlist) { |
| 4946 | // Fix index according to edit lists. | ||
| 4947 | 618 | mov_fix_index(mov, st); | |
| 4948 | } | ||
| 4949 | |||
| 4950 | // Update start time of the stream. | ||
| 4951 |
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|
618 | if (st->start_time == AV_NOPTS_VALUE && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && sti->nb_index_entries > 0) { |
| 4952 | 57 | st->start_time = sti->index_entries[0].timestamp + sc->dts_shift; | |
| 4953 |
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|
57 | if (sc->tts_data) { |
| 4954 | 57 | st->start_time += sc->tts_data[0].offset; | |
| 4955 | } | ||
| 4956 | } | ||
| 4957 | |||
| 4958 | 618 | mov_estimate_video_delay(mov, st); | |
| 4959 | } | ||
| 4960 | |||
| 4961 | ✗ | static int test_same_origin(const char *src, const char *ref) { | |
| 4962 | char src_proto[64]; | ||
| 4963 | char ref_proto[64]; | ||
| 4964 | char src_auth[256]; | ||
| 4965 | char ref_auth[256]; | ||
| 4966 | char src_host[256]; | ||
| 4967 | char ref_host[256]; | ||
| 4968 | ✗ | int src_port=-1; | |
| 4969 | ✗ | int ref_port=-1; | |
| 4970 | |||
| 4971 | ✗ | av_url_split(src_proto, sizeof(src_proto), src_auth, sizeof(src_auth), src_host, sizeof(src_host), &src_port, NULL, 0, src); | |
| 4972 | ✗ | av_url_split(ref_proto, sizeof(ref_proto), ref_auth, sizeof(ref_auth), ref_host, sizeof(ref_host), &ref_port, NULL, 0, ref); | |
| 4973 | |||
| 4974 | ✗ | if (strlen(src) == 0) { | |
| 4975 | ✗ | return -1; | |
| 4976 | ✗ | } else if (strlen(src_auth) + 1 >= sizeof(src_auth) || | |
| 4977 | ✗ | strlen(ref_auth) + 1 >= sizeof(ref_auth) || | |
| 4978 | ✗ | strlen(src_host) + 1 >= sizeof(src_host) || | |
| 4979 | ✗ | strlen(ref_host) + 1 >= sizeof(ref_host)) { | |
| 4980 | ✗ | return 0; | |
| 4981 | ✗ | } else if (strcmp(src_proto, ref_proto) || | |
| 4982 | ✗ | strcmp(src_auth, ref_auth) || | |
| 4983 | ✗ | strcmp(src_host, ref_host) || | |
| 4984 | ✗ | src_port != ref_port) { | |
| 4985 | ✗ | return 0; | |
| 4986 | } else | ||
| 4987 | ✗ | return 1; | |
| 4988 | } | ||
| 4989 | |||
| 4990 | ✗ | static int mov_open_dref(MOVContext *c, AVIOContext **pb, const char *src, MOVDref *ref) | |
| 4991 | { | ||
| 4992 | /* try relative path, we do not try the absolute because it can leak information about our | ||
| 4993 | system to an attacker */ | ||
| 4994 | ✗ | if (ref->nlvl_to > 0 && ref->nlvl_from > 0) { | |
| 4995 | char filename[1025]; | ||
| 4996 | const char *src_path; | ||
| 4997 | int i, l; | ||
| 4998 | |||
| 4999 | /* find a source dir */ | ||
| 5000 | ✗ | src_path = strrchr(src, '/'); | |
| 5001 | ✗ | if (src_path) | |
| 5002 | ✗ | src_path++; | |
| 5003 | else | ||
| 5004 | ✗ | src_path = src; | |
| 5005 | |||
| 5006 | /* find a next level down to target */ | ||
| 5007 | ✗ | for (i = 0, l = strlen(ref->path) - 1; l >= 0; l--) | |
| 5008 | ✗ | if (ref->path[l] == '/') { | |
| 5009 | ✗ | if (i == ref->nlvl_to - 1) | |
| 5010 | ✗ | break; | |
| 5011 | else | ||
| 5012 | ✗ | i++; | |
| 5013 | } | ||
| 5014 | |||
| 5015 | /* compose filename if next level down to target was found */ | ||
| 5016 | ✗ | if (i == ref->nlvl_to - 1 && src_path - src < sizeof(filename)) { | |
| 5017 | ✗ | memcpy(filename, src, src_path - src); | |
| 5018 | ✗ | filename[src_path - src] = 0; | |
| 5019 | |||
| 5020 | ✗ | for (i = 1; i < ref->nlvl_from; i++) | |
| 5021 | ✗ | av_strlcat(filename, "../", sizeof(filename)); | |
| 5022 | |||
| 5023 | ✗ | av_strlcat(filename, ref->path + l + 1, sizeof(filename)); | |
| 5024 | ✗ | if (!c->use_absolute_path) { | |
| 5025 | ✗ | int same_origin = test_same_origin(src, filename); | |
| 5026 | |||
| 5027 | ✗ | if (!same_origin) { | |
| 5028 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 5029 | "Reference with mismatching origin, %s not tried for security reasons, " | ||
| 5030 | "set demuxer option use_absolute_path to allow it anyway\n", | ||
| 5031 | ref->path); | ||
| 5032 | ✗ | return AVERROR(ENOENT); | |
| 5033 | } | ||
| 5034 | |||
| 5035 | ✗ | if (strstr(ref->path + l + 1, "..") || | |
| 5036 | ✗ | strstr(ref->path + l + 1, ":") || | |
| 5037 | ✗ | (ref->nlvl_from > 1 && same_origin < 0) || | |
| 5038 | ✗ | (filename[0] == '/' && src_path == src)) | |
| 5039 | ✗ | return AVERROR(ENOENT); | |
| 5040 | } | ||
| 5041 | |||
| 5042 | ✗ | if (strlen(filename) + 1 == sizeof(filename)) | |
| 5043 | ✗ | return AVERROR(ENOENT); | |
| 5044 | ✗ | if (!c->fc->io_open(c->fc, pb, filename, AVIO_FLAG_READ, NULL)) | |
| 5045 | ✗ | return 0; | |
| 5046 | } | ||
| 5047 | ✗ | } else if (c->use_absolute_path) { | |
| 5048 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Using absolute path on user request, " | |
| 5049 | "this is a possible security issue\n"); | ||
| 5050 | ✗ | if (!c->fc->io_open(c->fc, pb, ref->path, AVIO_FLAG_READ, NULL)) | |
| 5051 | ✗ | return 0; | |
| 5052 | } else { | ||
| 5053 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 5054 | "Absolute path %s not tried for security reasons, " | ||
| 5055 | "set demuxer option use_absolute_path to allow absolute paths\n", | ||
| 5056 | ref->path); | ||
| 5057 | } | ||
| 5058 | |||
| 5059 | ✗ | return AVERROR(ENOENT); | |
| 5060 | } | ||
| 5061 | |||
| 5062 | 1309 | static void fix_timescale(MOVContext *c, MOVStreamContext *sc) | |
| 5063 | { | ||
| 5064 |
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|
1309 | if (sc->time_scale <= 0) { |
| 5065 | 14 | av_log(c->fc, AV_LOG_WARNING, "stream %d, timescale not set\n", sc->ffindex); | |
| 5066 | 14 | sc->time_scale = c->time_scale; | |
| 5067 |
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|
14 | if (sc->time_scale <= 0) |
| 5068 | ✗ | sc->time_scale = 1; | |
| 5069 | } | ||
| 5070 | 1309 | } | |
| 5071 | |||
| 5072 | #if CONFIG_IAMFDEC | ||
| 5073 | 10 | static int mov_update_iamf_streams(MOVContext *c, const AVStream *st) | |
| 5074 | { | ||
| 5075 | 10 | const MOVStreamContext *sc = st->priv_data; | |
| 5076 | 10 | const IAMFContext *iamf = &sc->iamf->iamf; | |
| 5077 | |||
| 5078 |
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|
20 | for (int i = 0; i < iamf->nb_audio_elements; i++) { |
| 5079 | 10 | const AVStreamGroup *stg = NULL; | |
| 5080 | |||
| 5081 |
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|
30 | for (int j = 0; j < c->fc->nb_stream_groups; j++) |
| 5082 |
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|
20 | if (c->fc->stream_groups[j]->id == iamf->audio_elements[i]->audio_element_id) |
| 5083 | 10 | stg = c->fc->stream_groups[j]; | |
| 5084 |
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|
10 | av_assert0(stg); |
| 5085 | |||
| 5086 |
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|
60 | for (int j = 0; j < stg->nb_streams; j++) { |
| 5087 | 50 | const FFStream *sti = cffstream(st); | |
| 5088 | 50 | AVStream *out = stg->streams[j]; | |
| 5089 | 50 | FFStream *out_sti = ffstream(stg->streams[j]); | |
| 5090 | |||
| 5091 | 50 | out->codecpar->bit_rate = 0; | |
| 5092 | |||
| 5093 |
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|
50 | if (out == st) |
| 5094 | 10 | continue; | |
| 5095 | |||
| 5096 | 40 | out->time_base = st->time_base; | |
| 5097 | 40 | out->start_time = st->start_time; | |
| 5098 | 40 | out->duration = st->duration; | |
| 5099 | 40 | out->nb_frames = st->nb_frames; | |
| 5100 | 40 | out->discard = st->discard; | |
| 5101 | |||
| 5102 |
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|
40 | av_assert0(!out_sti->index_entries); |
| 5103 | 40 | out_sti->index_entries = av_malloc(sti->index_entries_allocated_size); | |
| 5104 |
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|
40 | if (!out_sti->index_entries) |
| 5105 | ✗ | return AVERROR(ENOMEM); | |
| 5106 | |||
| 5107 | 40 | out_sti->index_entries_allocated_size = sti->index_entries_allocated_size; | |
| 5108 | 40 | out_sti->nb_index_entries = sti->nb_index_entries; | |
| 5109 | 40 | out_sti->skip_samples = sti->skip_samples; | |
| 5110 | 40 | memcpy(out_sti->index_entries, sti->index_entries, sti->index_entries_allocated_size); | |
| 5111 | } | ||
| 5112 | } | ||
| 5113 | |||
| 5114 | 10 | return 0; | |
| 5115 | } | ||
| 5116 | #endif | ||
| 5117 | |||
| 5118 | 643 | static int sanity_checks(void *log_obj, MOVStreamContext *sc, int index) | |
| 5119 | { | ||
| 5120 |
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|
643 | if ((sc->chunk_count && (!sc->stts_count || !sc->stsc_count || |
| 5121 |
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|
618 | (!sc->sample_size && !sc->sample_count))) || |
| 5122 |
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|
643 | (!sc->chunk_count && sc->sample_count)) { |
| 5123 | ✗ | av_log(log_obj, AV_LOG_ERROR, "stream %d, missing mandatory atoms, broken header\n", | |
| 5124 | index); | ||
| 5125 | ✗ | return 1; | |
| 5126 | } | ||
| 5127 | |||
| 5128 |
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|
643 | if (sc->stsc_count && sc->stsc_data[ sc->stsc_count - 1 ].first > sc->chunk_count) { |
| 5129 | ✗ | av_log(log_obj, AV_LOG_ERROR, "stream %d, contradictionary STSC and STCO\n", | |
| 5130 | index); | ||
| 5131 | ✗ | return 2; | |
| 5132 | } | ||
| 5133 | 643 | return 0; | |
| 5134 | } | ||
| 5135 | |||
| 5136 | 612 | static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5137 | { | ||
| 5138 | AVStream *st; | ||
| 5139 | MOVStreamContext *sc; | ||
| 5140 | int ret; | ||
| 5141 | |||
| 5142 | 612 | st = avformat_new_stream(c->fc, NULL); | |
| 5143 |
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|
612 | if (!st) return AVERROR(ENOMEM); |
| 5144 | 612 | st->id = -1; | |
| 5145 | 612 | sc = av_mallocz(sizeof(MOVStreamContext)); | |
| 5146 |
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|
612 | if (!sc) return AVERROR(ENOMEM); |
| 5147 | |||
| 5148 | 612 | st->priv_data = sc; | |
| 5149 | 612 | st->codecpar->codec_type = AVMEDIA_TYPE_DATA; | |
| 5150 | 612 | sc->ffindex = st->index; | |
| 5151 | 612 | c->trak_index = st->index; | |
| 5152 | 612 | sc->tref_flags = 0; | |
| 5153 | 612 | sc->tref_id = -1; | |
| 5154 | 612 | sc->refcount = 1; | |
| 5155 | |||
| 5156 |
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|
612 | if ((ret = mov_read_default(c, pb, atom)) < 0) |
| 5157 | ✗ | return ret; | |
| 5158 | |||
| 5159 | 612 | c->trak_index = -1; | |
| 5160 | |||
| 5161 | // Here stsc refers to a chunk not described in stco. This is technically invalid, | ||
| 5162 | // but we can overlook it (clearing stsc) whenever stts_count == 0 (indicating no samples). | ||
| 5163 |
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|
612 | if (!sc->chunk_count && !sc->stts_count && sc->stsc_count) { |
| 5164 | 1 | sc->stsc_count = 0; | |
| 5165 | 1 | av_freep(&sc->stsc_data); | |
| 5166 | } | ||
| 5167 | |||
| 5168 | 612 | ret = sanity_checks(c->fc, sc, st->index); | |
| 5169 |
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|
612 | if (ret) |
| 5170 | ✗ | return ret > 1 ? AVERROR_INVALIDDATA : 0; | |
| 5171 | |||
| 5172 | 612 | fix_timescale(c, sc); | |
| 5173 | |||
| 5174 | 612 | avpriv_set_pts_info(st, 64, 1, sc->time_scale); | |
| 5175 | |||
| 5176 | /* | ||
| 5177 | * Advanced edit list support does not work with fragemented MP4s, which | ||
| 5178 | * have stsc, stsz, stco, and stts with zero entries in the moov atom. | ||
| 5179 | * In these files, trun atoms may be streamed in. | ||
| 5180 | */ | ||
| 5181 |
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|
612 | if (!sc->stts_count && c->advanced_editlist) { |
| 5182 | |||
| 5183 | 17 | av_log(c->fc, AV_LOG_VERBOSE, "advanced_editlist does not work with fragmented " | |
| 5184 | "MP4. disabling.\n"); | ||
| 5185 | 17 | c->advanced_editlist = 0; | |
| 5186 | 17 | c->advanced_editlist_autodisabled = 1; | |
| 5187 | } | ||
| 5188 | |||
| 5189 | 612 | mov_build_index(c, st); | |
| 5190 | |||
| 5191 | #if CONFIG_IAMFDEC | ||
| 5192 |
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|
612 | if (sc->iamf) { |
| 5193 | 10 | ret = mov_update_iamf_streams(c, st); | |
| 5194 |
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|
10 | if (ret < 0) |
| 5195 | ✗ | return ret; | |
| 5196 | } | ||
| 5197 | #endif | ||
| 5198 | |||
| 5199 |
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|
612 | if (sc->dref_id-1 < sc->drefs_count && sc->drefs[sc->dref_id-1].path) { |
| 5200 | ✗ | MOVDref *dref = &sc->drefs[sc->dref_id - 1]; | |
| 5201 | ✗ | if (c->enable_drefs) { | |
| 5202 | ✗ | if (mov_open_dref(c, &sc->pb, c->fc->url, dref) < 0) | |
| 5203 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 5204 | "stream %d, error opening alias: path='%s', dir='%s', " | ||
| 5205 | "filename='%s', volume='%s', nlvl_from=%d, nlvl_to=%d\n", | ||
| 5206 | ✗ | st->index, dref->path, dref->dir, dref->filename, | |
| 5207 | ✗ | dref->volume, dref->nlvl_from, dref->nlvl_to); | |
| 5208 | } else { | ||
| 5209 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 5210 | "Skipped opening external track: " | ||
| 5211 | "stream %d, alias: path='%s', dir='%s', " | ||
| 5212 | "filename='%s', volume='%s', nlvl_from=%d, nlvl_to=%d." | ||
| 5213 | "Set enable_drefs to allow this.\n", | ||
| 5214 | ✗ | st->index, dref->path, dref->dir, dref->filename, | |
| 5215 | ✗ | dref->volume, dref->nlvl_from, dref->nlvl_to); | |
| 5216 | } | ||
| 5217 | } else { | ||
| 5218 | 612 | sc->pb = c->fc->pb; | |
| 5219 | 612 | sc->pb_is_copied = 1; | |
| 5220 | } | ||
| 5221 | |||
| 5222 |
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|
612 | if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 5223 |
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|
314 | int stts_constant = sc->stts_count && sc->tts_count; |
| 5224 |
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|
314 | if (sc->h_spacing && sc->v_spacing) |
| 5225 | 65 | av_reduce(&st->sample_aspect_ratio.num, &st->sample_aspect_ratio.den, | |
| 5226 | 65 | sc->h_spacing, sc->v_spacing, INT_MAX); | |
| 5227 |
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|
314 | if (!st->sample_aspect_ratio.num && st->codecpar->width && st->codecpar->height && |
| 5228 |
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|
246 | sc->height && sc->width && |
| 5229 |
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|
246 | (st->codecpar->width != sc->width || st->codecpar->height != sc->height)) { |
| 5230 | ✗ | av_reduce(&st->sample_aspect_ratio.num, &st->sample_aspect_ratio.den, | |
| 5231 | ✗ | (int64_t)st->codecpar->height * sc->width, | |
| 5232 | ✗ | (int64_t)st->codecpar->width * sc->height, INT_MAX); | |
| 5233 | } | ||
| 5234 | |||
| 5235 | #if FF_API_R_FRAME_RATE | ||
| 5236 |
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|
154854 | for (unsigned int i = 1; sc->stts_count && i + 1 < sc->tts_count; i++) { |
| 5237 |
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|
154540 | if (sc->tts_data[i].duration == sc->tts_data[0].duration) |
| 5238 | 152113 | continue; | |
| 5239 | 2427 | stts_constant = 0; | |
| 5240 | } | ||
| 5241 |
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|
314 | if (stts_constant) |
| 5242 | 286 | av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, | |
| 5243 | 286 | sc->time_scale, sc->tts_data[0].duration, INT_MAX); | |
| 5244 | #endif | ||
| 5245 | } | ||
| 5246 | |||
| 5247 | #if CONFIG_H261_DECODER || CONFIG_H263_DECODER || CONFIG_MPEG4_DECODER | ||
| 5248 |
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|
612 | switch (st->codecpar->codec_id) { |
| 5249 | #if CONFIG_H261_DECODER | ||
| 5250 | 24 | case AV_CODEC_ID_H261: | |
| 5251 | #endif | ||
| 5252 | #if CONFIG_H263_DECODER | ||
| 5253 | case AV_CODEC_ID_H263: | ||
| 5254 | #endif | ||
| 5255 | #if CONFIG_MPEG4_DECODER | ||
| 5256 | case AV_CODEC_ID_MPEG4: | ||
| 5257 | #endif | ||
| 5258 | 24 | st->codecpar->width = 0; /* let decoder init width/height */ | |
| 5259 | 24 | st->codecpar->height= 0; | |
| 5260 | 24 | break; | |
| 5261 | } | ||
| 5262 | #endif | ||
| 5263 | |||
| 5264 | // If the duration of the mp3 packets is not constant, then they could need a parser | ||
| 5265 |
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|
612 | if (st->codecpar->codec_id == AV_CODEC_ID_MP3 |
| 5266 |
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|
1 | && sc->time_scale == st->codecpar->sample_rate) { |
| 5267 | 1 | int stts_constant = 1; | |
| 5268 |
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|
288 | for (int i = 1; sc->stts_count && i < sc->tts_count; i++) { |
| 5269 |
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|
287 | if (sc->tts_data[i].duration == sc->tts_data[0].duration) |
| 5270 | 287 | continue; | |
| 5271 | ✗ | stts_constant = 0; | |
| 5272 | } | ||
| 5273 |
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|
1 | if (!stts_constant) |
| 5274 | ✗ | ffstream(st)->need_parsing = AVSTREAM_PARSE_FULL; | |
| 5275 | } | ||
| 5276 | /* Do not need those anymore. */ | ||
| 5277 | 612 | av_freep(&sc->chunk_offsets); | |
| 5278 | 612 | av_freep(&sc->sample_sizes); | |
| 5279 | 612 | av_freep(&sc->keyframes); | |
| 5280 | 612 | av_freep(&sc->stps_data); | |
| 5281 | 612 | av_freep(&sc->elst_data); | |
| 5282 | 612 | av_freep(&sc->rap_group); | |
| 5283 | 612 | av_freep(&sc->sync_group); | |
| 5284 | 612 | av_freep(&sc->sgpd_sync); | |
| 5285 | |||
| 5286 | 612 | return 0; | |
| 5287 | } | ||
| 5288 | |||
| 5289 | 132 | static int mov_read_ilst(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5290 | { | ||
| 5291 | int ret; | ||
| 5292 | 132 | c->itunes_metadata = 1; | |
| 5293 | 132 | ret = mov_read_default(c, pb, atom); | |
| 5294 | 132 | c->itunes_metadata = 0; | |
| 5295 | 132 | return ret; | |
| 5296 | } | ||
| 5297 | |||
| 5298 | 11 | static int mov_read_keys(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5299 | { | ||
| 5300 | uint32_t count; | ||
| 5301 | uint32_t i; | ||
| 5302 | |||
| 5303 |
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|
11 | if (atom.size < 8) |
| 5304 | ✗ | return 0; | |
| 5305 | |||
| 5306 | 11 | avio_skip(pb, 4); | |
| 5307 | 11 | count = avio_rb32(pb); | |
| 5308 | 11 | atom.size -= 8; | |
| 5309 |
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|
11 | if (count >= UINT_MAX / sizeof(*c->meta_keys)) { |
| 5310 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 5311 | "The 'keys' atom with the invalid key count: %"PRIu32"\n", count); | ||
| 5312 | ✗ | return AVERROR_INVALIDDATA; | |
| 5313 | } | ||
| 5314 | |||
| 5315 | 11 | c->meta_keys_count = count + 1; | |
| 5316 | 11 | c->meta_keys = av_mallocz(c->meta_keys_count * sizeof(*c->meta_keys)); | |
| 5317 |
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|
11 | if (!c->meta_keys) |
| 5318 | ✗ | return AVERROR(ENOMEM); | |
| 5319 | |||
| 5320 |
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|
69 | for (i = 1; i <= count; ++i) { |
| 5321 | 58 | uint32_t key_size = avio_rb32(pb); | |
| 5322 | 58 | uint32_t type = avio_rl32(pb); | |
| 5323 |
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|
58 | if (key_size < 8 || key_size > atom.size) { |
| 5324 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 5325 | "The key# %"PRIu32" in meta has invalid size:" | ||
| 5326 | "%"PRIu32"\n", i, key_size); | ||
| 5327 | ✗ | return AVERROR_INVALIDDATA; | |
| 5328 | } | ||
| 5329 | 58 | atom.size -= key_size; | |
| 5330 | 58 | key_size -= 8; | |
| 5331 |
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|
58 | if (type != MKTAG('m','d','t','a')) { |
| 5332 | ✗ | avio_skip(pb, key_size); | |
| 5333 | ✗ | continue; | |
| 5334 | } | ||
| 5335 | 58 | c->meta_keys[i] = av_mallocz(key_size + 1); | |
| 5336 |
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|
58 | if (!c->meta_keys[i]) |
| 5337 | ✗ | return AVERROR(ENOMEM); | |
| 5338 | 58 | avio_read(pb, c->meta_keys[i], key_size); | |
| 5339 | } | ||
| 5340 | |||
| 5341 | 11 | return 0; | |
| 5342 | } | ||
| 5343 | |||
| 5344 | 65 | static int mov_read_custom(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5345 | { | ||
| 5346 | 65 | int64_t end = av_sat_add64(avio_tell(pb), atom.size); | |
| 5347 | 65 | uint8_t *key = NULL, *val = NULL, *mean = NULL; | |
| 5348 | int i; | ||
| 5349 | 65 | int ret = 0; | |
| 5350 | AVStream *st; | ||
| 5351 | MOVStreamContext *sc; | ||
| 5352 | |||
| 5353 |
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|
65 | if (c->fc->nb_streams < 1) |
| 5354 | ✗ | return 0; | |
| 5355 | 65 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 5356 | 65 | sc = st->priv_data; | |
| 5357 | |||
| 5358 |
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|
260 | for (i = 0; i < 3; i++) { |
| 5359 | uint8_t **p; | ||
| 5360 | uint32_t len, tag; | ||
| 5361 | |||
| 5362 |
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|
195 | if (end - avio_tell(pb) <= 12) |
| 5363 | ✗ | break; | |
| 5364 | |||
| 5365 | 195 | len = avio_rb32(pb); | |
| 5366 | 195 | tag = avio_rl32(pb); | |
| 5367 | 195 | avio_skip(pb, 4); // flags | |
| 5368 | |||
| 5369 |
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|
195 | if (len < 12 || len - 12 > end - avio_tell(pb)) |
| 5370 | break; | ||
| 5371 | 195 | len -= 12; | |
| 5372 | |||
| 5373 |
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|
195 | if (tag == MKTAG('m', 'e', 'a', 'n')) |
| 5374 | 65 | p = &mean; | |
| 5375 |
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|
130 | else if (tag == MKTAG('n', 'a', 'm', 'e')) |
| 5376 | 65 | p = &key; | |
| 5377 |
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|
65 | else if (tag == MKTAG('d', 'a', 't', 'a') && len > 4) { |
| 5378 | 65 | avio_skip(pb, 4); | |
| 5379 | 65 | len -= 4; | |
| 5380 | 65 | p = &val; | |
| 5381 | } else | ||
| 5382 | break; | ||
| 5383 | |||
| 5384 |
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|
195 | if (*p) |
| 5385 | ✗ | break; | |
| 5386 | |||
| 5387 | 195 | *p = av_malloc(len + 1); | |
| 5388 |
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|
195 | if (!*p) { |
| 5389 | ✗ | ret = AVERROR(ENOMEM); | |
| 5390 | ✗ | break; | |
| 5391 | } | ||
| 5392 | 195 | ret = ffio_read_size(pb, *p, len); | |
| 5393 |
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|
195 | if (ret < 0) { |
| 5394 | ✗ | av_freep(p); | |
| 5395 | ✗ | break; | |
| 5396 | } | ||
| 5397 | 195 | (*p)[len] = 0; | |
| 5398 | } | ||
| 5399 | |||
| 5400 |
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|
65 | if (mean && key && val) { |
| 5401 |
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|
65 | if (strcmp(key, "iTunSMPB") == 0) { |
| 5402 | int priming, remainder, samples; | ||
| 5403 |
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|
33 | if(sscanf(val, "%*X %X %X %X", &priming, &remainder, &samples) == 3){ |
| 5404 |
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|
33 | if(priming>0 && priming<16384) |
| 5405 | 33 | sc->start_pad = priming; | |
| 5406 | } | ||
| 5407 | } | ||
| 5408 |
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|
120 | if (strcmp(key, "cdec") != 0) { |
| 5409 | 55 | av_dict_set(&c->fc->metadata, key, val, | |
| 5410 | AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL); | ||
| 5411 | 55 | key = val = NULL; | |
| 5412 | } | ||
| 5413 | } else { | ||
| 5414 | ✗ | av_log(c->fc, AV_LOG_VERBOSE, | |
| 5415 | "Unhandled or malformed custom metadata of size %"PRId64"\n", atom.size); | ||
| 5416 | } | ||
| 5417 | |||
| 5418 | 65 | avio_seek(pb, end, SEEK_SET); | |
| 5419 | 65 | av_freep(&key); | |
| 5420 | 65 | av_freep(&val); | |
| 5421 | 65 | av_freep(&mean); | |
| 5422 | 65 | return ret; | |
| 5423 | } | ||
| 5424 | |||
| 5425 | 31 | static int heif_add_stream(MOVContext *c, HEIFItem *item) | |
| 5426 | { | ||
| 5427 | MOVStreamContext *sc; | ||
| 5428 | AVStream *st; | ||
| 5429 | |||
| 5430 | 31 | st = avformat_new_stream(c->fc, NULL); | |
| 5431 |
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✓ Branch 1 taken 31 times.
|
31 | if (!st) |
| 5432 | ✗ | return AVERROR(ENOMEM); | |
| 5433 | 31 | sc = av_mallocz(sizeof(MOVStreamContext)); | |
| 5434 |
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|
31 | if (!sc) |
| 5435 | ✗ | goto fail; | |
| 5436 | |||
| 5437 | 31 | item->st = st; | |
| 5438 | 31 | st->id = item->item_id; | |
| 5439 | 31 | st->priv_data = sc; | |
| 5440 | 31 | st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; | |
| 5441 | 31 | st->codecpar->codec_id = mov_codec_id(st, item->type); | |
| 5442 | 31 | sc->id = st->id; | |
| 5443 | 31 | sc->ffindex = st->index; | |
| 5444 | 31 | st->avg_frame_rate.num = st->avg_frame_rate.den = 1; | |
| 5445 | 31 | st->time_base.num = st->time_base.den = 1; | |
| 5446 | 31 | st->nb_frames = 1; | |
| 5447 | 31 | sc->time_scale = 1; | |
| 5448 | 31 | sc->pb = c->fc->pb; | |
| 5449 | 31 | sc->pb_is_copied = 1; | |
| 5450 | 31 | sc->refcount = 1; | |
| 5451 | |||
| 5452 |
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|
31 | if (item->name) |
| 5453 | 31 | av_dict_set(&st->metadata, "title", item->name, 0); | |
| 5454 | |||
| 5455 | // Populate the necessary fields used by mov_build_index. | ||
| 5456 | 31 | sc->stsc_data = av_malloc_array(1, sizeof(*sc->stsc_data)); | |
| 5457 |
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|
31 | if (!sc->stsc_data) |
| 5458 | ✗ | goto fail; | |
| 5459 | 31 | sc->stsc_count = 1; | |
| 5460 | 31 | sc->stsc_data[0].first = 1; | |
| 5461 | 31 | sc->stsc_data[0].count = 1; | |
| 5462 | 31 | sc->stsc_data[0].id = 1; | |
| 5463 | 31 | sc->chunk_offsets = av_malloc_array(1, sizeof(*sc->chunk_offsets)); | |
| 5464 |
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|
31 | if (!sc->chunk_offsets) |
| 5465 | ✗ | goto fail; | |
| 5466 | 31 | sc->chunk_count = 1; | |
| 5467 | 31 | sc->stts_data = av_malloc_array(1, sizeof(*sc->stts_data)); | |
| 5468 |
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|
31 | if (!sc->stts_data) |
| 5469 | ✗ | goto fail; | |
| 5470 | 31 | sc->stts_count = 1; | |
| 5471 | 31 | sc->stts_data[0].count = 1; | |
| 5472 | // Not used for still images. But needed by mov_build_index. | ||
| 5473 | 31 | sc->stts_data[0].duration = 0; | |
| 5474 | |||
| 5475 | 31 | return 0; | |
| 5476 | ✗ | fail: | |
| 5477 | ✗ | mov_free_stream_context(c->fc, st); | |
| 5478 | ✗ | ff_remove_stream(c->fc, st); | |
| 5479 | ✗ | item->st = NULL; | |
| 5480 | |||
| 5481 | ✗ | return AVERROR(ENOMEM); | |
| 5482 | } | ||
| 5483 | |||
| 5484 | 149 | static int mov_read_meta(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5485 | { | ||
| 5486 |
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|
433 | while (atom.size > 8) { |
| 5487 | uint32_t tag; | ||
| 5488 |
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|
433 | if (avio_feof(pb)) |
| 5489 | ✗ | return AVERROR_EOF; | |
| 5490 | 433 | tag = avio_rl32(pb); | |
| 5491 | 433 | atom.size -= 4; | |
| 5492 |
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|
433 | if (tag == MKTAG('h','d','l','r')) { |
| 5493 | 149 | avio_seek(pb, -8, SEEK_CUR); | |
| 5494 | 149 | atom.size += 8; | |
| 5495 | 149 | return mov_read_default(c, pb, atom); | |
| 5496 | } | ||
| 5497 | } | ||
| 5498 | ✗ | return 0; | |
| 5499 | } | ||
| 5500 | |||
| 5501 | // return 1 when matrix is identity, 0 otherwise | ||
| 5502 | #define IS_MATRIX_IDENT(matrix) \ | ||
| 5503 | ( (matrix)[0][0] == (1 << 16) && \ | ||
| 5504 | (matrix)[1][1] == (1 << 16) && \ | ||
| 5505 | (matrix)[2][2] == (1 << 30) && \ | ||
| 5506 | !(matrix)[0][1] && !(matrix)[0][2] && \ | ||
| 5507 | !(matrix)[1][0] && !(matrix)[1][2] && \ | ||
| 5508 | !(matrix)[2][0] && !(matrix)[2][1]) | ||
| 5509 | |||
| 5510 | 612 | static int mov_read_tkhd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5511 | { | ||
| 5512 | int i, j, e; | ||
| 5513 | int width; | ||
| 5514 | int height; | ||
| 5515 | int display_matrix[3][3]; | ||
| 5516 | 612 | int res_display_matrix[3][3] = { { 0 } }; | |
| 5517 | AVStream *st; | ||
| 5518 | MOVStreamContext *sc; | ||
| 5519 | int version; | ||
| 5520 | int flags; | ||
| 5521 | |||
| 5522 |
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|
612 | if (c->fc->nb_streams < 1) |
| 5523 | ✗ | return 0; | |
| 5524 | 612 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 5525 | 612 | sc = st->priv_data; | |
| 5526 | |||
| 5527 | // Each stream (trak) should have exactly 1 tkhd. This catches bad files and | ||
| 5528 | // avoids corrupting AVStreams mapped to an earlier tkhd. | ||
| 5529 |
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|
612 | if (st->id != -1) |
| 5530 | ✗ | return AVERROR_INVALIDDATA; | |
| 5531 | |||
| 5532 | 612 | version = avio_r8(pb); | |
| 5533 | 612 | flags = avio_rb24(pb); | |
| 5534 | 612 | st->disposition |= (flags & MOV_TKHD_FLAG_ENABLED) ? AV_DISPOSITION_DEFAULT : 0; | |
| 5535 | |||
| 5536 |
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|
612 | if (version == 1) { |
| 5537 | 13 | avio_rb64(pb); | |
| 5538 | 13 | avio_rb64(pb); | |
| 5539 | } else { | ||
| 5540 | 599 | avio_rb32(pb); /* creation time */ | |
| 5541 | 599 | avio_rb32(pb); /* modification time */ | |
| 5542 | } | ||
| 5543 | 612 | st->id = (int)avio_rb32(pb); /* track id (NOT 0 !)*/ | |
| 5544 | 612 | sc->id = st->id; | |
| 5545 | 612 | avio_rb32(pb); /* reserved */ | |
| 5546 | |||
| 5547 | /* highlevel (considering edits) duration in movie timebase */ | ||
| 5548 |
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|
612 | (version == 1) ? avio_rb64(pb) : avio_rb32(pb); |
| 5549 | 612 | avio_rb32(pb); /* reserved */ | |
| 5550 | 612 | avio_rb32(pb); /* reserved */ | |
| 5551 | |||
| 5552 | 612 | avio_rb16(pb); /* layer */ | |
| 5553 | 612 | avio_rb16(pb); /* alternate group */ | |
| 5554 | 612 | avio_rb16(pb); /* volume */ | |
| 5555 | 612 | avio_rb16(pb); /* reserved */ | |
| 5556 | |||
| 5557 | //read in the display matrix (outlined in ISO 14496-12, Section 6.2.2) | ||
| 5558 | // they're kept in fixed point format through all calculations | ||
| 5559 | // save u,v,z to store the whole matrix in the AV_PKT_DATA_DISPLAYMATRIX | ||
| 5560 | // side data, but the scale factor is not needed to calculate aspect ratio | ||
| 5561 |
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|
2448 | for (i = 0; i < 3; i++) { |
| 5562 | 1836 | display_matrix[i][0] = avio_rb32(pb); // 16.16 fixed point | |
| 5563 | 1836 | display_matrix[i][1] = avio_rb32(pb); // 16.16 fixed point | |
| 5564 | 1836 | display_matrix[i][2] = avio_rb32(pb); // 2.30 fixed point | |
| 5565 | } | ||
| 5566 | |||
| 5567 | 612 | width = avio_rb32(pb); // 16.16 fixed point track width | |
| 5568 | 612 | height = avio_rb32(pb); // 16.16 fixed point track height | |
| 5569 | 612 | sc->width = width >> 16; | |
| 5570 | 612 | sc->height = height >> 16; | |
| 5571 | |||
| 5572 | // apply the moov display matrix (after the tkhd one) | ||
| 5573 |
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|
2448 | for (i = 0; i < 3; i++) { |
| 5574 | 1836 | const int sh[3] = { 16, 16, 30 }; | |
| 5575 |
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|
7344 | for (j = 0; j < 3; j++) { |
| 5576 |
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|
22032 | for (e = 0; e < 3; e++) { |
| 5577 | 16524 | res_display_matrix[i][j] += | |
| 5578 | 16524 | ((int64_t) display_matrix[i][e] * | |
| 5579 | 16524 | c->movie_display_matrix[e][j]) >> sh[e]; | |
| 5580 | } | ||
| 5581 | } | ||
| 5582 | } | ||
| 5583 | |||
| 5584 | // save the matrix when it is not the default identity | ||
| 5585 |
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|
612 | if (!IS_MATRIX_IDENT(res_display_matrix)) { |
| 5586 | 9 | av_freep(&sc->display_matrix); | |
| 5587 | 9 | sc->display_matrix = av_malloc(sizeof(int32_t) * 9); | |
| 5588 |
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|
9 | if (!sc->display_matrix) |
| 5589 | ✗ | return AVERROR(ENOMEM); | |
| 5590 | |||
| 5591 |
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|
36 | for (i = 0; i < 3; i++) |
| 5592 |
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|
108 | for (j = 0; j < 3; j++) |
| 5593 | 81 | sc->display_matrix[i * 3 + j] = res_display_matrix[i][j]; | |
| 5594 | } | ||
| 5595 | |||
| 5596 | // transform the display width/height according to the matrix | ||
| 5597 | // to keep the same scale, use [width height 1<<16] | ||
| 5598 |
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|
612 | if (width && height && sc->display_matrix) { |
| 5599 | double disp_transform[2]; | ||
| 5600 | |||
| 5601 |
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|
24 | for (i = 0; i < 2; i++) |
| 5602 | 16 | disp_transform[i] = hypot(sc->display_matrix[0 + i], | |
| 5603 | 16 | sc->display_matrix[3 + i]); | |
| 5604 | |||
| 5605 |
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|
8 | if (disp_transform[0] > 1 && disp_transform[1] > 1 && |
| 5606 |
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|
8 | disp_transform[0] < (1<<24) && disp_transform[1] < (1<<24) && |
| 5607 |
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|
8 | fabs((disp_transform[0] / disp_transform[1]) - 1.0) > 0.01) |
| 5608 | 3 | st->sample_aspect_ratio = av_d2q( | |
| 5609 | 3 | disp_transform[0] / disp_transform[1], | |
| 5610 | INT_MAX); | ||
| 5611 | } | ||
| 5612 | 612 | return 0; | |
| 5613 | } | ||
| 5614 | |||
| 5615 | 493 | static int mov_read_tfhd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5616 | { | ||
| 5617 | 493 | MOVFragment *frag = &c->fragment; | |
| 5618 | 493 | MOVTrackExt *trex = NULL; | |
| 5619 | int flags, track_id, i; | ||
| 5620 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 5621 | |||
| 5622 | 493 | avio_r8(pb); /* version */ | |
| 5623 | 493 | flags = avio_rb24(pb); | |
| 5624 | |||
| 5625 | 493 | track_id = avio_rb32(pb); | |
| 5626 |
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|
493 | if (!track_id) |
| 5627 | ✗ | return AVERROR_INVALIDDATA; | |
| 5628 |
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|
551 | for (i = 0; i < c->trex_count; i++) |
| 5629 |
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|
551 | if (c->trex_data[i].track_id == track_id) { |
| 5630 | 493 | trex = &c->trex_data[i]; | |
| 5631 | 493 | break; | |
| 5632 | } | ||
| 5633 |
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✓ Branch 1 taken 493 times.
|
493 | if (!trex) { |
| 5634 | ✗ | av_log(c->fc, AV_LOG_WARNING, "could not find corresponding trex (id %u)\n", track_id); | |
| 5635 | ✗ | return 0; | |
| 5636 | } | ||
| 5637 | 493 | c->fragment.found_tfhd = 1; | |
| 5638 | 493 | frag->track_id = track_id; | |
| 5639 | 493 | set_frag_stream(&c->frag_index, track_id); | |
| 5640 | |||
| 5641 | 986 | frag->base_data_offset = flags & MOV_TFHD_BASE_DATA_OFFSET ? | |
| 5642 |
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|
986 | avio_rb64(pb) : flags & MOV_TFHD_DEFAULT_BASE_IS_MOOF ? |
| 5643 |
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|
493 | frag->moof_offset : frag->implicit_offset; |
| 5644 |
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|
493 | frag->stsd_id = flags & MOV_TFHD_STSD_ID ? avio_rb32(pb) : trex->stsd_id; |
| 5645 | |||
| 5646 | 986 | frag->duration = flags & MOV_TFHD_DEFAULT_DURATION ? | |
| 5647 |
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|
493 | avio_rb32(pb) : trex->duration; |
| 5648 | 986 | frag->size = flags & MOV_TFHD_DEFAULT_SIZE ? | |
| 5649 |
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|
493 | avio_rb32(pb) : trex->size; |
| 5650 | 986 | frag->flags = flags & MOV_TFHD_DEFAULT_FLAGS ? | |
| 5651 |
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|
493 | avio_rb32(pb) : trex->flags; |
| 5652 | 493 | av_log(c->fc, AV_LOG_TRACE, "frag flags 0x%x\n", frag->flags); | |
| 5653 | |||
| 5654 | 493 | frag_stream_info = get_current_frag_stream_info(&c->frag_index); | |
| 5655 |
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|
493 | if (frag_stream_info) { |
| 5656 | 493 | frag_stream_info->next_trun_dts = AV_NOPTS_VALUE; | |
| 5657 | 493 | frag_stream_info->stsd_id = frag->stsd_id; | |
| 5658 | } | ||
| 5659 | 493 | return 0; | |
| 5660 | } | ||
| 5661 | |||
| 5662 | 2 | static int mov_read_chap(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5663 | { | ||
| 5664 | unsigned i, num; | ||
| 5665 | void *new_tracks; | ||
| 5666 | |||
| 5667 | 2 | num = atom.size / 4; | |
| 5668 |
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✓ Branch 2 taken 2 times.
|
2 | if (!(new_tracks = av_malloc_array(num, sizeof(int)))) |
| 5669 | ✗ | return AVERROR(ENOMEM); | |
| 5670 | |||
| 5671 | 2 | av_free(c->chapter_tracks); | |
| 5672 | 2 | c->chapter_tracks = new_tracks; | |
| 5673 | 2 | c->nb_chapter_tracks = num; | |
| 5674 | |||
| 5675 |
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4 | for (i = 0; i < num && !pb->eof_reached; i++) |
| 5676 | 2 | c->chapter_tracks[i] = avio_rb32(pb); | |
| 5677 | |||
| 5678 | 2 | c->nb_chapter_tracks = i; | |
| 5679 | |||
| 5680 | 2 | return 0; | |
| 5681 | } | ||
| 5682 | |||
| 5683 | 24 | static int mov_read_trex(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5684 | { | ||
| 5685 | MOVTrackExt *trex; | ||
| 5686 | int err; | ||
| 5687 | |||
| 5688 |
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|
24 | if ((uint64_t)c->trex_count+1 >= UINT_MAX / sizeof(*c->trex_data)) |
| 5689 | ✗ | return AVERROR_INVALIDDATA; | |
| 5690 |
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|
24 | if ((err = av_reallocp_array(&c->trex_data, c->trex_count + 1, |
| 5691 | sizeof(*c->trex_data))) < 0) { | ||
| 5692 | ✗ | c->trex_count = 0; | |
| 5693 | ✗ | return err; | |
| 5694 | } | ||
| 5695 | |||
| 5696 | 24 | c->fc->duration = AV_NOPTS_VALUE; // the duration from mvhd is not representing the whole file when fragments are used. | |
| 5697 | |||
| 5698 | 24 | trex = &c->trex_data[c->trex_count++]; | |
| 5699 | 24 | avio_r8(pb); /* version */ | |
| 5700 | 24 | avio_rb24(pb); /* flags */ | |
| 5701 | 24 | trex->track_id = avio_rb32(pb); | |
| 5702 | 24 | trex->stsd_id = avio_rb32(pb); | |
| 5703 | 24 | trex->duration = avio_rb32(pb); | |
| 5704 | 24 | trex->size = avio_rb32(pb); | |
| 5705 | 24 | trex->flags = avio_rb32(pb); | |
| 5706 | 24 | return 0; | |
| 5707 | } | ||
| 5708 | |||
| 5709 | 420 | static int mov_read_tfdt(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5710 | { | ||
| 5711 | 420 | MOVFragment *frag = &c->fragment; | |
| 5712 | 420 | AVStream *st = NULL; | |
| 5713 | MOVStreamContext *sc; | ||
| 5714 | int version, i; | ||
| 5715 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 5716 | int64_t base_media_decode_time; | ||
| 5717 | |||
| 5718 |
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|
446 | for (i = 0; i < c->fc->nb_streams; i++) { |
| 5719 | 446 | sc = c->fc->streams[i]->priv_data; | |
| 5720 |
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|
446 | if (sc->id == frag->track_id) { |
| 5721 | 420 | st = c->fc->streams[i]; | |
| 5722 | 420 | break; | |
| 5723 | } | ||
| 5724 | } | ||
| 5725 |
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|
420 | if (!st) { |
| 5726 | ✗ | av_log(c->fc, AV_LOG_WARNING, "could not find corresponding track id %u\n", frag->track_id); | |
| 5727 | ✗ | return 0; | |
| 5728 | } | ||
| 5729 | 420 | sc = st->priv_data; | |
| 5730 |
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|
420 | if (sc->pseudo_stream_id + 1 != frag->stsd_id && sc->pseudo_stream_id != -1) |
| 5731 | ✗ | return 0; | |
| 5732 | 420 | version = avio_r8(pb); | |
| 5733 | 420 | avio_rb24(pb); /* flags */ | |
| 5734 |
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|
420 | if (version) { |
| 5735 | 53 | base_media_decode_time = avio_rb64(pb); | |
| 5736 | } else { | ||
| 5737 | 367 | base_media_decode_time = avio_rb32(pb); | |
| 5738 | } | ||
| 5739 | |||
| 5740 | 420 | frag_stream_info = get_current_frag_stream_info(&c->frag_index); | |
| 5741 |
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|
420 | if (frag_stream_info) |
| 5742 | 420 | frag_stream_info->tfdt_dts = base_media_decode_time; | |
| 5743 | 420 | sc->track_end = base_media_decode_time; | |
| 5744 | |||
| 5745 | 420 | return 0; | |
| 5746 | } | ||
| 5747 | |||
| 5748 | 493 | static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 5749 | { | ||
| 5750 | 493 | MOVFragment *frag = &c->fragment; | |
| 5751 | 493 | AVStream *st = NULL; | |
| 5752 | 493 | FFStream *sti = NULL; | |
| 5753 | MOVStreamContext *sc; | ||
| 5754 | MOVTimeToSample *tts_data; | ||
| 5755 | uint64_t offset; | ||
| 5756 | 493 | int64_t dts, pts = AV_NOPTS_VALUE; | |
| 5757 | 493 | int data_offset = 0; | |
| 5758 | 493 | unsigned entries, first_sample_flags = frag->flags; | |
| 5759 | int flags, distance, i; | ||
| 5760 | 493 | int64_t prev_dts = AV_NOPTS_VALUE; | |
| 5761 | 493 | int next_frag_index = -1, index_entry_pos; | |
| 5762 | size_t requested_size; | ||
| 5763 | size_t old_allocated_size; | ||
| 5764 | AVIndexEntry *new_entries; | ||
| 5765 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 5766 | |||
| 5767 |
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|
493 | if (!frag->found_tfhd) { |
| 5768 | ✗ | av_log(c->fc, AV_LOG_ERROR, "trun track id unknown, no tfhd was found\n"); | |
| 5769 | ✗ | return AVERROR_INVALIDDATA; | |
| 5770 | } | ||
| 5771 | |||
| 5772 |
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|
551 | for (i = 0; i < c->fc->nb_streams; i++) { |
| 5773 | 551 | sc = c->fc->streams[i]->priv_data; | |
| 5774 |
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|
551 | if (sc->id == frag->track_id) { |
| 5775 | 493 | st = c->fc->streams[i]; | |
| 5776 | 493 | sti = ffstream(st); | |
| 5777 | 493 | break; | |
| 5778 | } | ||
| 5779 | } | ||
| 5780 |
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|
493 | if (!st) { |
| 5781 | ✗ | av_log(c->fc, AV_LOG_WARNING, "could not find corresponding track id %u\n", frag->track_id); | |
| 5782 | ✗ | return 0; | |
| 5783 | } | ||
| 5784 | 493 | sc = st->priv_data; | |
| 5785 |
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|
493 | if (sc->pseudo_stream_id+1 != frag->stsd_id && sc->pseudo_stream_id != -1) |
| 5786 | ✗ | return 0; | |
| 5787 | |||
| 5788 | // Find the next frag_index index that has a valid index_entry for | ||
| 5789 | // the current track_id. | ||
| 5790 | // | ||
| 5791 | // A valid index_entry means the trun for the fragment was read | ||
| 5792 | // and it's samples are in index_entries at the given position. | ||
| 5793 | // New index entries will be inserted before the index_entry found. | ||
| 5794 | 493 | index_entry_pos = sti->nb_index_entries; | |
| 5795 |
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|
2114 | for (i = c->frag_index.current + 1; i < c->frag_index.nb_items; i++) { |
| 5796 | 1621 | frag_stream_info = get_frag_stream_info(&c->frag_index, i, frag->track_id); | |
| 5797 |
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|
1621 | if (frag_stream_info && frag_stream_info->index_entry >= 0) { |
| 5798 | ✗ | next_frag_index = i; | |
| 5799 | ✗ | index_entry_pos = frag_stream_info->index_entry; | |
| 5800 | ✗ | break; | |
| 5801 | } | ||
| 5802 | } | ||
| 5803 |
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|
493 | av_assert0(index_entry_pos <= sti->nb_index_entries); |
| 5804 | |||
| 5805 | 493 | avio_r8(pb); /* version */ | |
| 5806 | 493 | flags = avio_rb24(pb); | |
| 5807 | 493 | entries = avio_rb32(pb); | |
| 5808 | 493 | av_log(c->fc, AV_LOG_TRACE, "flags 0x%x entries %u\n", flags, entries); | |
| 5809 | |||
| 5810 |
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|
493 | if ((uint64_t)entries+sc->tts_count >= UINT_MAX/sizeof(*sc->tts_data)) |
| 5811 | ✗ | return AVERROR_INVALIDDATA; | |
| 5812 |
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|
493 | if (flags & MOV_TRUN_DATA_OFFSET) data_offset = avio_rb32(pb); |
| 5813 |
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|
493 | if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS) first_sample_flags = avio_rb32(pb); |
| 5814 | |||
| 5815 | 493 | frag_stream_info = get_current_frag_stream_info(&c->frag_index); | |
| 5816 |
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493 | if (frag_stream_info) { |
| 5817 |
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|
493 | if (frag_stream_info->next_trun_dts != AV_NOPTS_VALUE) { |
| 5818 | ✗ | dts = frag_stream_info->next_trun_dts - sc->time_offset; | |
| 5819 |
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|
493 | } else if (frag_stream_info->first_tfra_pts != AV_NOPTS_VALUE && |
| 5820 | ✗ | c->use_mfra_for == FF_MOV_FLAG_MFRA_PTS) { | |
| 5821 | ✗ | pts = frag_stream_info->first_tfra_pts; | |
| 5822 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "found mfra time %"PRId64 | |
| 5823 | ", using it for pts\n", pts); | ||
| 5824 |
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|
493 | } else if (frag_stream_info->first_tfra_pts != AV_NOPTS_VALUE && |
| 5825 | ✗ | c->use_mfra_for == FF_MOV_FLAG_MFRA_DTS) { | |
| 5826 | ✗ | dts = frag_stream_info->first_tfra_pts; | |
| 5827 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "found mfra time %"PRId64 | |
| 5828 | ", using it for dts\n", pts); | ||
| 5829 | } else { | ||
| 5830 | 493 | int has_tfdt = frag_stream_info->tfdt_dts != AV_NOPTS_VALUE; | |
| 5831 | 493 | int has_sidx = frag_stream_info->sidx_pts != AV_NOPTS_VALUE; | |
| 5832 |
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493 | int fallback_tfdt = !c->use_tfdt && !has_sidx && has_tfdt; |
| 5833 |
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|
493 | int fallback_sidx = c->use_tfdt && !has_tfdt && has_sidx; |
| 5834 | |||
| 5835 |
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|
493 | if (fallback_sidx) { |
| 5836 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "use_tfdt set but no tfdt found, using sidx instead\n"); | |
| 5837 | } | ||
| 5838 |
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|
493 | if (fallback_tfdt) { |
| 5839 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "use_tfdt not set but no sidx found, using tfdt instead\n"); | |
| 5840 | } | ||
| 5841 | |||
| 5842 |
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|
493 | if (has_tfdt && c->use_tfdt || fallback_tfdt) { |
| 5843 | 420 | dts = frag_stream_info->tfdt_dts - sc->time_offset; | |
| 5844 | 420 | av_log(c->fc, AV_LOG_DEBUG, "found tfdt time %"PRId64 | |
| 5845 | ", using it for dts\n", dts); | ||
| 5846 |
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|
73 | } else if (has_sidx && !c->use_tfdt || fallback_sidx) { |
| 5847 | // FIXME: sidx earliest_presentation_time is *PTS*, s.b. | ||
| 5848 | // pts = frag_stream_info->sidx_pts; | ||
| 5849 | ✗ | dts = frag_stream_info->sidx_pts; | |
| 5850 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "found sidx time %"PRId64 | |
| 5851 | ", using it for dts\n", frag_stream_info->sidx_pts); | ||
| 5852 | } else { | ||
| 5853 | 73 | dts = sc->track_end - sc->time_offset; | |
| 5854 | 73 | av_log(c->fc, AV_LOG_DEBUG, "found track end time %"PRId64 | |
| 5855 | ", using it for dts\n", dts); | ||
| 5856 | } | ||
| 5857 | } | ||
| 5858 | } else { | ||
| 5859 | ✗ | dts = sc->track_end - sc->time_offset; | |
| 5860 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "found track end time %"PRId64 | |
| 5861 | ", using it for dts\n", dts); | ||
| 5862 | } | ||
| 5863 | 493 | offset = frag->base_data_offset + data_offset; | |
| 5864 | 493 | distance = 0; | |
| 5865 | 493 | av_log(c->fc, AV_LOG_TRACE, "first sample flags 0x%x\n", first_sample_flags); | |
| 5866 | |||
| 5867 | // realloc space for new index entries | ||
| 5868 |
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|
493 | if ((uint64_t)sti->nb_index_entries + entries >= UINT_MAX / sizeof(AVIndexEntry)) { |
| 5869 | ✗ | entries = UINT_MAX / sizeof(AVIndexEntry) - sti->nb_index_entries; | |
| 5870 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Failed to add index entry\n"); | |
| 5871 | } | ||
| 5872 |
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|
493 | if (entries == 0) |
| 5873 | ✗ | return 0; | |
| 5874 | |||
| 5875 | 493 | requested_size = (sti->nb_index_entries + entries) * sizeof(AVIndexEntry); | |
| 5876 | 493 | new_entries = av_fast_realloc(sti->index_entries, | |
| 5877 | &sti->index_entries_allocated_size, | ||
| 5878 | requested_size); | ||
| 5879 |
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|
493 | if (!new_entries) |
| 5880 | ✗ | return AVERROR(ENOMEM); | |
| 5881 | 493 | sti->index_entries= new_entries; | |
| 5882 | |||
| 5883 | 493 | requested_size = (sti->nb_index_entries + entries) * sizeof(*sc->tts_data); | |
| 5884 | 493 | old_allocated_size = sc->tts_allocated_size; | |
| 5885 | 493 | tts_data = av_fast_realloc(sc->tts_data, &sc->tts_allocated_size, | |
| 5886 | requested_size); | ||
| 5887 |
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|
493 | if (!tts_data) |
| 5888 | ✗ | return AVERROR(ENOMEM); | |
| 5889 | 493 | sc->tts_data = tts_data; | |
| 5890 | |||
| 5891 | // In case there were samples without time to sample entries, ensure they get | ||
| 5892 | // zero valued entries. This ensures clips which mix boxes with and | ||
| 5893 | // without time to sample entries don't pickup uninitialized data. | ||
| 5894 | 493 | memset((uint8_t*)(sc->tts_data) + old_allocated_size, 0, | |
| 5895 | 493 | sc->tts_allocated_size - old_allocated_size); | |
| 5896 | |||
| 5897 |
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|
493 | if (index_entry_pos < sti->nb_index_entries) { |
| 5898 | // Make hole in index_entries and tts_data for new samples | ||
| 5899 | ✗ | memmove(sti->index_entries + index_entry_pos + entries, | |
| 5900 | ✗ | sti->index_entries + index_entry_pos, | |
| 5901 | sizeof(*sti->index_entries) * | ||
| 5902 | ✗ | (sti->nb_index_entries - index_entry_pos)); | |
| 5903 | ✗ | memmove(sc->tts_data + index_entry_pos + entries, | |
| 5904 | ✗ | sc->tts_data + index_entry_pos, | |
| 5905 | ✗ | sizeof(*sc->tts_data) * (sc->tts_count - index_entry_pos)); | |
| 5906 | ✗ | if (index_entry_pos < sc->current_sample) { | |
| 5907 | ✗ | sc->current_sample += entries; | |
| 5908 | } | ||
| 5909 | } | ||
| 5910 | |||
| 5911 | 493 | sti->nb_index_entries += entries; | |
| 5912 | 493 | sc->tts_count = sti->nb_index_entries; | |
| 5913 | 493 | sc->stts_count = sti->nb_index_entries; | |
| 5914 |
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|
493 | if (flags & MOV_TRUN_SAMPLE_CTS) |
| 5915 | 386 | sc->ctts_count = sti->nb_index_entries; | |
| 5916 | |||
| 5917 | // Record the index_entry position in frag_index of this fragment | ||
| 5918 |
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493 | if (frag_stream_info) { |
| 5919 | 493 | frag_stream_info->index_entry = index_entry_pos; | |
| 5920 |
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|
493 | if (frag_stream_info->index_base < 0) |
| 5921 | 493 | frag_stream_info->index_base = index_entry_pos; | |
| 5922 | } | ||
| 5923 | |||
| 5924 |
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|
493 | if (index_entry_pos > 0) |
| 5925 | 470 | prev_dts = sti->index_entries[index_entry_pos-1].timestamp; | |
| 5926 | |||
| 5927 |
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|
9007 | for (i = 0; i < entries && !pb->eof_reached; i++) { |
| 5928 | 8514 | unsigned sample_size = frag->size; | |
| 5929 |
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|
8514 | int sample_flags = i ? frag->flags : first_sample_flags; |
| 5930 | 8514 | unsigned sample_duration = frag->duration; | |
| 5931 | 8514 | unsigned ctts_duration = 0; | |
| 5932 | 8514 | int keyframe = 0; | |
| 5933 | 8514 | int index_entry_flags = 0; | |
| 5934 | |||
| 5935 |
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|
8514 | if (flags & MOV_TRUN_SAMPLE_DURATION) sample_duration = avio_rb32(pb); |
| 5936 |
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|
8514 | if (flags & MOV_TRUN_SAMPLE_SIZE) sample_size = avio_rb32(pb); |
| 5937 |
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|
8514 | if (flags & MOV_TRUN_SAMPLE_FLAGS) sample_flags = avio_rb32(pb); |
| 5938 |
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|
8514 | if (flags & MOV_TRUN_SAMPLE_CTS) ctts_duration = avio_rb32(pb); |
| 5939 | |||
| 5940 | 8514 | mov_update_dts_shift(sc, ctts_duration, c->fc); | |
| 5941 |
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|
8514 | if (pts != AV_NOPTS_VALUE) { |
| 5942 | ✗ | dts = pts - sc->dts_shift; | |
| 5943 | ✗ | if (flags & MOV_TRUN_SAMPLE_CTS) { | |
| 5944 | ✗ | dts -= ctts_duration; | |
| 5945 | } else { | ||
| 5946 | ✗ | dts -= sc->time_offset; | |
| 5947 | } | ||
| 5948 | ✗ | av_log(c->fc, AV_LOG_DEBUG, | |
| 5949 | "pts %"PRId64" calculated dts %"PRId64 | ||
| 5950 | " sc->dts_shift %d ctts.duration %d" | ||
| 5951 | " sc->time_offset %"PRId64 | ||
| 5952 | " flags & MOV_TRUN_SAMPLE_CTS %d\n", | ||
| 5953 | pts, dts, | ||
| 5954 | sc->dts_shift, ctts_duration, | ||
| 5955 | sc->time_offset, flags & MOV_TRUN_SAMPLE_CTS); | ||
| 5956 | ✗ | pts = AV_NOPTS_VALUE; | |
| 5957 | } | ||
| 5958 | |||
| 5959 | 8514 | keyframe = | |
| 5960 | 8514 | !(sample_flags & (MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC | | |
| 5961 | MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES)); | ||
| 5962 |
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|
8514 | if (keyframe) { |
| 5963 | 548 | distance = 0; | |
| 5964 | 548 | index_entry_flags |= AVINDEX_KEYFRAME; | |
| 5965 | } | ||
| 5966 | // Fragments can overlap in time. Discard overlapping frames after | ||
| 5967 | // decoding. | ||
| 5968 |
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|
8514 | if (prev_dts >= dts) |
| 5969 | 24 | index_entry_flags |= AVINDEX_DISCARD_FRAME; | |
| 5970 | |||
| 5971 | 8514 | sti->index_entries[index_entry_pos].pos = offset; | |
| 5972 | 8514 | sti->index_entries[index_entry_pos].timestamp = dts; | |
| 5973 | 8514 | sti->index_entries[index_entry_pos].size = sample_size; | |
| 5974 | 8514 | sti->index_entries[index_entry_pos].min_distance = distance; | |
| 5975 | 8514 | sti->index_entries[index_entry_pos].flags = index_entry_flags; | |
| 5976 | |||
| 5977 | 8514 | sc->tts_data[index_entry_pos].count = 1; | |
| 5978 | 8514 | sc->tts_data[index_entry_pos].offset = ctts_duration; | |
| 5979 | 8514 | sc->tts_data[index_entry_pos].duration = sample_duration; | |
| 5980 | 8514 | index_entry_pos++; | |
| 5981 | |||
| 5982 | 8514 | av_log(c->fc, AV_LOG_TRACE, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", " | |
| 5983 | "size %u, distance %d, keyframe %d\n", st->index, | ||
| 5984 | index_entry_pos, offset, dts, sample_size, distance, keyframe); | ||
| 5985 | 8514 | distance++; | |
| 5986 |
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|
8514 | if (av_sat_add64(dts, sample_duration) != dts + (uint64_t)sample_duration) |
| 5987 | ✗ | return AVERROR_INVALIDDATA; | |
| 5988 |
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|
8514 | if (!sample_size) |
| 5989 | ✗ | return AVERROR_INVALIDDATA; | |
| 5990 | 8514 | dts += sample_duration; | |
| 5991 | 8514 | offset += sample_size; | |
| 5992 | 8514 | sc->data_size += sample_size; | |
| 5993 | |||
| 5994 |
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|
8514 | if (sample_duration <= INT64_MAX - sc->duration_for_fps && |
| 5995 |
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|
8514 | 1 <= INT_MAX - sc->nb_frames_for_fps |
| 5996 | ) { | ||
| 5997 | 8514 | sc->duration_for_fps += sample_duration; | |
| 5998 | 8514 | sc->nb_frames_for_fps ++; | |
| 5999 | } | ||
| 6000 | } | ||
| 6001 |
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|
493 | if (frag_stream_info) |
| 6002 | 493 | frag_stream_info->next_trun_dts = dts + sc->time_offset; | |
| 6003 |
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|
493 | if (i < entries) { |
| 6004 | // EOF found before reading all entries. Fix the hole this would | ||
| 6005 | // leave in index_entries and tts_data | ||
| 6006 | ✗ | int gap = entries - i; | |
| 6007 | ✗ | memmove(sti->index_entries + index_entry_pos, | |
| 6008 | ✗ | sti->index_entries + index_entry_pos + gap, | |
| 6009 | sizeof(*sti->index_entries) * | ||
| 6010 | ✗ | (sti->nb_index_entries - (index_entry_pos + gap))); | |
| 6011 | ✗ | memmove(sc->tts_data + index_entry_pos, | |
| 6012 | ✗ | sc->tts_data + index_entry_pos + gap, | |
| 6013 | sizeof(*sc->tts_data) * | ||
| 6014 | ✗ | (sc->tts_count - (index_entry_pos + gap))); | |
| 6015 | |||
| 6016 | ✗ | sti->nb_index_entries -= gap; | |
| 6017 | ✗ | sc->tts_count -= gap; | |
| 6018 | ✗ | if (index_entry_pos < sc->current_sample) { | |
| 6019 | ✗ | sc->current_sample -= gap; | |
| 6020 | } | ||
| 6021 | ✗ | entries = i; | |
| 6022 | } | ||
| 6023 | |||
| 6024 | // The end of this new fragment may overlap in time with the start | ||
| 6025 | // of the next fragment in index_entries. Mark the samples in the next | ||
| 6026 | // fragment that overlap with AVINDEX_DISCARD_FRAME | ||
| 6027 | 493 | prev_dts = AV_NOPTS_VALUE; | |
| 6028 |
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|
493 | if (index_entry_pos > 0) |
| 6029 | 493 | prev_dts = sti->index_entries[index_entry_pos-1].timestamp; | |
| 6030 |
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|
493 | for (int i = index_entry_pos; i < sti->nb_index_entries; i++) { |
| 6031 | ✗ | if (prev_dts < sti->index_entries[i].timestamp) | |
| 6032 | ✗ | break; | |
| 6033 | ✗ | sti->index_entries[i].flags |= AVINDEX_DISCARD_FRAME; | |
| 6034 | } | ||
| 6035 | |||
| 6036 | // If a hole was created to insert the new index_entries into, | ||
| 6037 | // the index_entry recorded for all subsequent moof must | ||
| 6038 | // be incremented by the number of entries inserted. | ||
| 6039 | 493 | fix_frag_index_entries(&c->frag_index, next_frag_index, | |
| 6040 | 493 | frag->track_id, entries); | |
| 6041 | |||
| 6042 |
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|
493 | if (pb->eof_reached) { |
| 6043 | ✗ | av_log(c->fc, AV_LOG_WARNING, "reached eof, corrupted TRUN atom\n"); | |
| 6044 | ✗ | return AVERROR_EOF; | |
| 6045 | } | ||
| 6046 | |||
| 6047 | 493 | frag->implicit_offset = offset; | |
| 6048 | |||
| 6049 | 493 | sc->track_end = dts + sc->time_offset; | |
| 6050 |
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|
493 | if (st->duration < sc->track_end) |
| 6051 | 113 | st->duration = sc->track_end; | |
| 6052 | |||
| 6053 | 493 | return 0; | |
| 6054 | } | ||
| 6055 | |||
| 6056 | 44 | static int mov_read_sidx(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6057 | { | ||
| 6058 | 44 | int64_t stream_size = avio_size(pb); | |
| 6059 | 44 | int64_t offset = av_sat_add64(avio_tell(pb), atom.size), pts, timestamp; | |
| 6060 | uint8_t version, is_complete; | ||
| 6061 | int64_t offadd; | ||
| 6062 | unsigned i, j, track_id, item_count; | ||
| 6063 | 44 | AVStream *st = NULL; | |
| 6064 | 44 | AVStream *ref_st = NULL; | |
| 6065 | 44 | MOVStreamContext *sc, *ref_sc = NULL; | |
| 6066 | AVRational timescale; | ||
| 6067 | |||
| 6068 | 44 | version = avio_r8(pb); | |
| 6069 |
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|
44 | if (version > 1) { |
| 6070 | ✗ | avpriv_request_sample(c->fc, "sidx version %u", version); | |
| 6071 | ✗ | return 0; | |
| 6072 | } | ||
| 6073 | |||
| 6074 | 44 | avio_rb24(pb); // flags | |
| 6075 | |||
| 6076 | 44 | track_id = avio_rb32(pb); // Reference ID | |
| 6077 |
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|
44 | for (i = 0; i < c->fc->nb_streams; i++) { |
| 6078 | 44 | sc = c->fc->streams[i]->priv_data; | |
| 6079 |
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|
44 | if (sc->id == track_id) { |
| 6080 | 44 | st = c->fc->streams[i]; | |
| 6081 | 44 | break; | |
| 6082 | } | ||
| 6083 | } | ||
| 6084 |
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|
44 | if (!st) { |
| 6085 | ✗ | av_log(c->fc, AV_LOG_WARNING, "could not find corresponding track id %d\n", track_id); | |
| 6086 | ✗ | return 0; | |
| 6087 | } | ||
| 6088 | |||
| 6089 | 44 | sc = st->priv_data; | |
| 6090 | |||
| 6091 | 44 | timescale = av_make_q(1, avio_rb32(pb)); | |
| 6092 | |||
| 6093 |
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|
44 | if (timescale.den <= 0) { |
| 6094 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid sidx timescale 1/%d\n", timescale.den); | |
| 6095 | ✗ | return AVERROR_INVALIDDATA; | |
| 6096 | } | ||
| 6097 | |||
| 6098 |
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|
44 | if (version == 0) { |
| 6099 | 43 | pts = avio_rb32(pb); | |
| 6100 | 43 | offadd= avio_rb32(pb); | |
| 6101 | } else { | ||
| 6102 | 1 | pts = avio_rb64(pb); | |
| 6103 | 1 | offadd= avio_rb64(pb); | |
| 6104 | } | ||
| 6105 |
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|
44 | if (av_sat_add64(offset, offadd) != offset + (uint64_t)offadd) |
| 6106 | ✗ | return AVERROR_INVALIDDATA; | |
| 6107 | |||
| 6108 | 44 | offset += (uint64_t)offadd; | |
| 6109 | |||
| 6110 | 44 | avio_rb16(pb); // reserved | |
| 6111 | |||
| 6112 | 44 | item_count = avio_rb16(pb); | |
| 6113 |
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|
44 | if (item_count == 0) |
| 6114 | ✗ | return AVERROR_INVALIDDATA; | |
| 6115 | |||
| 6116 |
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|
413 | for (i = 0; i < item_count; i++) { |
| 6117 | int index; | ||
| 6118 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 6119 | 369 | uint32_t size = avio_rb32(pb); | |
| 6120 | 369 | uint32_t duration = avio_rb32(pb); | |
| 6121 |
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|
369 | if (size & 0x80000000) { |
| 6122 | ✗ | avpriv_request_sample(c->fc, "sidx reference_type 1"); | |
| 6123 | ✗ | return AVERROR_PATCHWELCOME; | |
| 6124 | } | ||
| 6125 | 369 | avio_rb32(pb); // sap_flags | |
| 6126 | 369 | timestamp = av_rescale_q(pts, timescale, st->time_base); | |
| 6127 | |||
| 6128 | 369 | index = update_frag_index(c, offset); | |
| 6129 | 369 | frag_stream_info = get_frag_stream_info(&c->frag_index, index, track_id); | |
| 6130 |
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|
369 | if (frag_stream_info) |
| 6131 | 369 | frag_stream_info->sidx_pts = timestamp; | |
| 6132 | |||
| 6133 |
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|
369 | if (av_sat_add64(offset, size) != offset + (uint64_t)size || |
| 6134 |
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|
369 | av_sat_add64(pts, duration) != pts + (uint64_t)duration |
| 6135 | ) | ||
| 6136 | ✗ | return AVERROR_INVALIDDATA; | |
| 6137 | 369 | offset += size; | |
| 6138 | 369 | pts += duration; | |
| 6139 | } | ||
| 6140 | |||
| 6141 | 44 | st->duration = sc->track_end = pts; | |
| 6142 | |||
| 6143 | 44 | sc->has_sidx = 1; | |
| 6144 | |||
| 6145 | // See if the remaining bytes are just an mfra which we can ignore. | ||
| 6146 | 44 | is_complete = offset == stream_size; | |
| 6147 |
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|
44 | if (!is_complete && (pb->seekable & AVIO_SEEKABLE_NORMAL) && stream_size > 0 ) { |
| 6148 | int64_t ret; | ||
| 6149 | 38 | int64_t original_pos = avio_tell(pb); | |
| 6150 |
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|
38 | if (!c->have_read_mfra_size) { |
| 6151 |
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|
3 | if ((ret = avio_seek(pb, stream_size - 4, SEEK_SET)) < 0) |
| 6152 | ✗ | return ret; | |
| 6153 | 3 | c->mfra_size = avio_rb32(pb); | |
| 6154 | 3 | c->have_read_mfra_size = 1; | |
| 6155 |
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|
3 | if ((ret = avio_seek(pb, original_pos, SEEK_SET)) < 0) |
| 6156 | ✗ | return ret; | |
| 6157 | } | ||
| 6158 |
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|
38 | if (offset == stream_size - c->mfra_size) |
| 6159 | ✗ | is_complete = 1; | |
| 6160 | } | ||
| 6161 | |||
| 6162 |
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|
44 | if (is_complete) { |
| 6163 | // Find first entry in fragment index that came from an sidx. | ||
| 6164 | // This will pretty much always be the first entry. | ||
| 6165 |
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|
373 | for (i = 0; i < c->frag_index.nb_items; i++) { |
| 6166 | 368 | MOVFragmentIndexItem * item = &c->frag_index.item[i]; | |
| 6167 |
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|
368 | for (j = 0; ref_st == NULL && j < item->nb_stream_info; j++) { |
| 6168 | MOVFragmentStreamInfo * si; | ||
| 6169 | 5 | si = &item->stream_info[j]; | |
| 6170 |
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|
5 | if (si->sidx_pts != AV_NOPTS_VALUE) { |
| 6171 | 5 | ref_st = c->fc->streams[j]; | |
| 6172 | 5 | ref_sc = ref_st->priv_data; | |
| 6173 | 5 | break; | |
| 6174 | } | ||
| 6175 | } | ||
| 6176 | } | ||
| 6177 |
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|
10 | if (ref_st) for (i = 0; i < c->fc->nb_streams; i++) { |
| 6178 | 5 | st = c->fc->streams[i]; | |
| 6179 | 5 | sc = st->priv_data; | |
| 6180 |
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|
5 | if (!sc->has_sidx) { |
| 6181 | ✗ | st->duration = sc->track_end = av_rescale(ref_st->duration, sc->time_scale, ref_sc->time_scale); | |
| 6182 | } | ||
| 6183 | } | ||
| 6184 | |||
| 6185 | 5 | c->frag_index.complete = 1; | |
| 6186 | } | ||
| 6187 | |||
| 6188 | 44 | return 0; | |
| 6189 | } | ||
| 6190 | |||
| 6191 | /* this atom should be null (from specs), but some buggy files put the 'moov' atom inside it... */ | ||
| 6192 | /* like the files created with Adobe Premiere 5.0, for samples see */ | ||
| 6193 | /* http://graphics.tudelft.nl/~wouter/publications/soundtests/ */ | ||
| 6194 | 271 | static int mov_read_wide(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6195 | { | ||
| 6196 | int err; | ||
| 6197 | |||
| 6198 |
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|
271 | if (atom.size < 8) |
| 6199 | 271 | return 0; /* continue */ | |
| 6200 | ✗ | if (avio_rb32(pb) != 0) { /* 0 sized mdat atom... use the 'wide' atom size */ | |
| 6201 | ✗ | avio_skip(pb, atom.size - 4); | |
| 6202 | ✗ | return 0; | |
| 6203 | } | ||
| 6204 | ✗ | atom.type = avio_rl32(pb); | |
| 6205 | ✗ | atom.size -= 8; | |
| 6206 | ✗ | if (atom.type != MKTAG('m','d','a','t')) { | |
| 6207 | ✗ | avio_skip(pb, atom.size); | |
| 6208 | ✗ | return 0; | |
| 6209 | } | ||
| 6210 | ✗ | err = mov_read_mdat(c, pb, atom); | |
| 6211 | ✗ | return err; | |
| 6212 | } | ||
| 6213 | |||
| 6214 | 3 | static int mov_read_cmov(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6215 | { | ||
| 6216 | #if CONFIG_ZLIB | ||
| 6217 | FFIOContext ctx; | ||
| 6218 | uint8_t *cmov_data; | ||
| 6219 | uint8_t *moov_data; /* uncompressed data */ | ||
| 6220 | long cmov_len, moov_len; | ||
| 6221 | 3 | int ret = -1; | |
| 6222 | |||
| 6223 | 3 | avio_rb32(pb); /* dcom atom */ | |
| 6224 |
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|
3 | if (avio_rl32(pb) != MKTAG('d','c','o','m')) |
| 6225 | ✗ | return AVERROR_INVALIDDATA; | |
| 6226 |
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|
3 | if (avio_rl32(pb) != MKTAG('z','l','i','b')) { |
| 6227 | ✗ | av_log(c->fc, AV_LOG_ERROR, "unknown compression for cmov atom !\n"); | |
| 6228 | ✗ | return AVERROR_INVALIDDATA; | |
| 6229 | } | ||
| 6230 | 3 | avio_rb32(pb); /* cmvd atom */ | |
| 6231 |
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|
3 | if (avio_rl32(pb) != MKTAG('c','m','v','d')) |
| 6232 | ✗ | return AVERROR_INVALIDDATA; | |
| 6233 | 3 | moov_len = avio_rb32(pb); /* uncompressed size */ | |
| 6234 | 3 | cmov_len = atom.size - 6 * 4; | |
| 6235 | |||
| 6236 | 3 | cmov_data = av_malloc(cmov_len); | |
| 6237 |
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|
3 | if (!cmov_data) |
| 6238 | ✗ | return AVERROR(ENOMEM); | |
| 6239 | 3 | moov_data = av_malloc(moov_len); | |
| 6240 |
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|
3 | if (!moov_data) { |
| 6241 | ✗ | av_free(cmov_data); | |
| 6242 | ✗ | return AVERROR(ENOMEM); | |
| 6243 | } | ||
| 6244 | 3 | ret = ffio_read_size(pb, cmov_data, cmov_len); | |
| 6245 |
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|
3 | if (ret < 0) |
| 6246 | ✗ | goto free_and_return; | |
| 6247 | |||
| 6248 | 3 | ret = AVERROR_INVALIDDATA; | |
| 6249 |
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|
3 | if (uncompress (moov_data, (uLongf *) &moov_len, (const Bytef *)cmov_data, cmov_len) != Z_OK) |
| 6250 | ✗ | goto free_and_return; | |
| 6251 | 3 | ffio_init_read_context(&ctx, moov_data, moov_len); | |
| 6252 | 3 | ctx.pub.seekable = AVIO_SEEKABLE_NORMAL; | |
| 6253 | 3 | atom.type = MKTAG('m','o','o','v'); | |
| 6254 | 3 | atom.size = moov_len; | |
| 6255 | 3 | ret = mov_read_default(c, &ctx.pub, atom); | |
| 6256 | 3 | free_and_return: | |
| 6257 | 3 | av_free(moov_data); | |
| 6258 | 3 | av_free(cmov_data); | |
| 6259 | 3 | return ret; | |
| 6260 | #else | ||
| 6261 | av_log(c->fc, AV_LOG_ERROR, "this file requires zlib support compiled in\n"); | ||
| 6262 | return AVERROR(ENOSYS); | ||
| 6263 | #endif | ||
| 6264 | } | ||
| 6265 | |||
| 6266 | /* edit list atom */ | ||
| 6267 | 446 | static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6268 | { | ||
| 6269 | MOVStreamContext *sc; | ||
| 6270 | int i, edit_count, version; | ||
| 6271 | int64_t elst_entry_size; | ||
| 6272 | |||
| 6273 |
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|
446 | if (c->fc->nb_streams < 1 || c->ignore_editlist) |
| 6274 | ✗ | return 0; | |
| 6275 | 446 | sc = c->fc->streams[c->fc->nb_streams-1]->priv_data; | |
| 6276 | |||
| 6277 | 446 | version = avio_r8(pb); /* version */ | |
| 6278 | 446 | avio_rb24(pb); /* flags */ | |
| 6279 | 446 | edit_count = avio_rb32(pb); /* entries */ | |
| 6280 | 446 | atom.size -= 8; | |
| 6281 | |||
| 6282 |
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|
446 | elst_entry_size = version == 1 ? 20 : 12; |
| 6283 |
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|
446 | if (atom.size != edit_count * elst_entry_size) { |
| 6284 |
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|
1 | if (c->fc->strict_std_compliance >= FF_COMPLIANCE_STRICT) { |
| 6285 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid edit list entry_count: %d for elst atom of size: %"PRId64" bytes.\n", | |
| 6286 | ✗ | edit_count, atom.size + 8); | |
| 6287 | ✗ | return AVERROR_INVALIDDATA; | |
| 6288 | } else { | ||
| 6289 | 1 | edit_count = atom.size / elst_entry_size; | |
| 6290 |
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|
1 | if (edit_count * elst_entry_size != atom.size) { |
| 6291 | ✗ | av_log(c->fc, AV_LOG_WARNING, "ELST atom of %"PRId64" bytes, bigger than %d entries.\n", atom.size, edit_count); | |
| 6292 | } | ||
| 6293 | } | ||
| 6294 | } | ||
| 6295 | |||
| 6296 |
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|
446 | if (!edit_count) |
| 6297 | ✗ | return 0; | |
| 6298 |
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|
446 | if (sc->elst_data) |
| 6299 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicated ELST atom\n"); | |
| 6300 | 446 | av_free(sc->elst_data); | |
| 6301 | 446 | sc->elst_count = 0; | |
| 6302 | 446 | sc->elst_data = av_malloc_array(edit_count, sizeof(*sc->elst_data)); | |
| 6303 |
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|
446 | if (!sc->elst_data) |
| 6304 | ✗ | return AVERROR(ENOMEM); | |
| 6305 | |||
| 6306 | 446 | av_log(c->fc, AV_LOG_TRACE, "track[%u].edit_count = %i\n", c->fc->nb_streams - 1, edit_count); | |
| 6307 |
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|
919 | for (i = 0; i < edit_count && atom.size > 0 && !pb->eof_reached; i++) { |
| 6308 | 473 | MOVElst *e = &sc->elst_data[i]; | |
| 6309 | |||
| 6310 |
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|
473 | if (version == 1) { |
| 6311 | ✗ | e->duration = avio_rb64(pb); | |
| 6312 | ✗ | e->time = avio_rb64(pb); | |
| 6313 | ✗ | atom.size -= 16; | |
| 6314 | } else { | ||
| 6315 | 473 | e->duration = avio_rb32(pb); /* segment duration */ | |
| 6316 | 473 | e->time = (int32_t)avio_rb32(pb); /* media time */ | |
| 6317 | 473 | atom.size -= 8; | |
| 6318 | } | ||
| 6319 | 473 | e->rate = avio_rb32(pb) / 65536.0; | |
| 6320 | 473 | atom.size -= 4; | |
| 6321 | 473 | av_log(c->fc, AV_LOG_TRACE, "duration=%"PRId64" time=%"PRId64" rate=%f\n", | |
| 6322 | 473 | e->duration, e->time, e->rate); | |
| 6323 | |||
| 6324 |
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|
473 | if (e->time < 0 && e->time != -1 && |
| 6325 | ✗ | c->fc->strict_std_compliance >= FF_COMPLIANCE_STRICT) { | |
| 6326 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Track %d, edit %d: Invalid edit list media time=%"PRId64"\n", | |
| 6327 | ✗ | c->fc->nb_streams-1, i, e->time); | |
| 6328 | ✗ | return AVERROR_INVALIDDATA; | |
| 6329 | } | ||
| 6330 |
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|
473 | if (e->duration < 0) { |
| 6331 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Track %d, edit %d: Invalid edit list duration=%"PRId64"\n", | |
| 6332 | ✗ | c->fc->nb_streams-1, i, e->duration); | |
| 6333 | ✗ | return AVERROR_INVALIDDATA; | |
| 6334 | } | ||
| 6335 | } | ||
| 6336 | 446 | sc->elst_count = i; | |
| 6337 | |||
| 6338 | 446 | return 0; | |
| 6339 | } | ||
| 6340 | |||
| 6341 | 18 | static int mov_read_tmcd(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6342 | { | ||
| 6343 | MOVStreamContext *sc; | ||
| 6344 | |||
| 6345 |
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|
18 | if (c->fc->nb_streams < 1) |
| 6346 | ✗ | return AVERROR_INVALIDDATA; | |
| 6347 | 18 | sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data; | |
| 6348 | 18 | sc->timecode_track = avio_rb32(pb); | |
| 6349 | 18 | return 0; | |
| 6350 | } | ||
| 6351 | |||
| 6352 | ✗ | static int mov_read_vpcc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6353 | { | ||
| 6354 | AVStream *st; | ||
| 6355 | int version, color_range, color_primaries, color_trc, color_space; | ||
| 6356 | |||
| 6357 | ✗ | if (c->fc->nb_streams < 1) | |
| 6358 | ✗ | return 0; | |
| 6359 | ✗ | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 6360 | |||
| 6361 | ✗ | if (atom.size < 5) { | |
| 6362 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty VP Codec Configuration box\n"); | |
| 6363 | ✗ | return AVERROR_INVALIDDATA; | |
| 6364 | } | ||
| 6365 | |||
| 6366 | ✗ | version = avio_r8(pb); | |
| 6367 | ✗ | if (version != 1) { | |
| 6368 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unsupported VP Codec Configuration box version %d\n", version); | |
| 6369 | ✗ | return 0; | |
| 6370 | } | ||
| 6371 | ✗ | avio_skip(pb, 3); /* flags */ | |
| 6372 | |||
| 6373 | ✗ | avio_skip(pb, 2); /* profile + level */ | |
| 6374 | ✗ | color_range = avio_r8(pb); /* bitDepth, chromaSubsampling, videoFullRangeFlag */ | |
| 6375 | ✗ | color_primaries = avio_r8(pb); | |
| 6376 | ✗ | color_trc = avio_r8(pb); | |
| 6377 | ✗ | color_space = avio_r8(pb); | |
| 6378 | ✗ | if (avio_rb16(pb)) /* codecIntializationDataSize */ | |
| 6379 | ✗ | return AVERROR_INVALIDDATA; | |
| 6380 | |||
| 6381 | ✗ | if (!av_color_primaries_name(color_primaries)) | |
| 6382 | ✗ | color_primaries = AVCOL_PRI_UNSPECIFIED; | |
| 6383 | ✗ | if (!av_color_transfer_name(color_trc)) | |
| 6384 | ✗ | color_trc = AVCOL_TRC_UNSPECIFIED; | |
| 6385 | ✗ | if (!av_color_space_name(color_space)) | |
| 6386 | ✗ | color_space = AVCOL_SPC_UNSPECIFIED; | |
| 6387 | |||
| 6388 | ✗ | st->codecpar->color_range = (color_range & 1) ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; | |
| 6389 | ✗ | st->codecpar->color_primaries = color_primaries; | |
| 6390 | ✗ | st->codecpar->color_trc = color_trc; | |
| 6391 | ✗ | st->codecpar->color_space = color_space; | |
| 6392 | |||
| 6393 | ✗ | return 0; | |
| 6394 | } | ||
| 6395 | |||
| 6396 | ✗ | static int mov_read_smdm(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6397 | { | ||
| 6398 | MOVStreamContext *sc; | ||
| 6399 | int i, version; | ||
| 6400 | |||
| 6401 | ✗ | if (c->fc->nb_streams < 1) | |
| 6402 | ✗ | return AVERROR_INVALIDDATA; | |
| 6403 | |||
| 6404 | ✗ | sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data; | |
| 6405 | |||
| 6406 | ✗ | if (atom.size < 5) { | |
| 6407 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty Mastering Display Metadata box\n"); | |
| 6408 | ✗ | return AVERROR_INVALIDDATA; | |
| 6409 | } | ||
| 6410 | |||
| 6411 | ✗ | version = avio_r8(pb); | |
| 6412 | ✗ | if (version) { | |
| 6413 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unsupported Mastering Display Metadata box version %d\n", version); | |
| 6414 | ✗ | return 0; | |
| 6415 | } | ||
| 6416 | ✗ | if (sc->mastering) { | |
| 6417 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate Mastering Display Metadata\n"); | |
| 6418 | ✗ | return 0; | |
| 6419 | } | ||
| 6420 | |||
| 6421 | ✗ | avio_skip(pb, 3); /* flags */ | |
| 6422 | |||
| 6423 | ✗ | sc->mastering = av_mastering_display_metadata_alloc_size(&sc->mastering_size); | |
| 6424 | ✗ | if (!sc->mastering) | |
| 6425 | ✗ | return AVERROR(ENOMEM); | |
| 6426 | |||
| 6427 | ✗ | for (i = 0; i < 3; i++) { | |
| 6428 | ✗ | sc->mastering->display_primaries[i][0] = av_make_q(avio_rb16(pb), 1 << 16); | |
| 6429 | ✗ | sc->mastering->display_primaries[i][1] = av_make_q(avio_rb16(pb), 1 << 16); | |
| 6430 | } | ||
| 6431 | ✗ | sc->mastering->white_point[0] = av_make_q(avio_rb16(pb), 1 << 16); | |
| 6432 | ✗ | sc->mastering->white_point[1] = av_make_q(avio_rb16(pb), 1 << 16); | |
| 6433 | |||
| 6434 | ✗ | sc->mastering->max_luminance = av_make_q(avio_rb32(pb), 1 << 8); | |
| 6435 | ✗ | sc->mastering->min_luminance = av_make_q(avio_rb32(pb), 1 << 14); | |
| 6436 | |||
| 6437 | ✗ | sc->mastering->has_primaries = 1; | |
| 6438 | ✗ | sc->mastering->has_luminance = 1; | |
| 6439 | |||
| 6440 | ✗ | return 0; | |
| 6441 | } | ||
| 6442 | |||
| 6443 | ✗ | static int mov_read_mdcv(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6444 | { | ||
| 6445 | MOVStreamContext *sc; | ||
| 6446 | ✗ | const int mapping[3] = {1, 2, 0}; | |
| 6447 | ✗ | const int chroma_den = 50000; | |
| 6448 | ✗ | const int luma_den = 10000; | |
| 6449 | int i; | ||
| 6450 | |||
| 6451 | ✗ | if (c->fc->nb_streams < 1) | |
| 6452 | ✗ | return AVERROR_INVALIDDATA; | |
| 6453 | |||
| 6454 | ✗ | sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data; | |
| 6455 | |||
| 6456 | ✗ | if (atom.size < 24) { | |
| 6457 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid Mastering Display Color Volume box\n"); | |
| 6458 | ✗ | return AVERROR_INVALIDDATA; | |
| 6459 | } | ||
| 6460 | |||
| 6461 | ✗ | if (sc->mastering) { | |
| 6462 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate Mastering Display Color Volume\n"); | |
| 6463 | ✗ | return 0; | |
| 6464 | } | ||
| 6465 | |||
| 6466 | ✗ | sc->mastering = av_mastering_display_metadata_alloc_size(&sc->mastering_size); | |
| 6467 | ✗ | if (!sc->mastering) | |
| 6468 | ✗ | return AVERROR(ENOMEM); | |
| 6469 | |||
| 6470 | ✗ | for (i = 0; i < 3; i++) { | |
| 6471 | ✗ | const int j = mapping[i]; | |
| 6472 | ✗ | sc->mastering->display_primaries[j][0] = av_make_q(avio_rb16(pb), chroma_den); | |
| 6473 | ✗ | sc->mastering->display_primaries[j][1] = av_make_q(avio_rb16(pb), chroma_den); | |
| 6474 | } | ||
| 6475 | ✗ | sc->mastering->white_point[0] = av_make_q(avio_rb16(pb), chroma_den); | |
| 6476 | ✗ | sc->mastering->white_point[1] = av_make_q(avio_rb16(pb), chroma_den); | |
| 6477 | |||
| 6478 | ✗ | sc->mastering->max_luminance = av_make_q(avio_rb32(pb), luma_den); | |
| 6479 | ✗ | sc->mastering->min_luminance = av_make_q(avio_rb32(pb), luma_den); | |
| 6480 | |||
| 6481 | ✗ | sc->mastering->has_luminance = 1; | |
| 6482 | ✗ | sc->mastering->has_primaries = 1; | |
| 6483 | |||
| 6484 | ✗ | return 0; | |
| 6485 | } | ||
| 6486 | |||
| 6487 | ✗ | static int mov_read_coll(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6488 | { | ||
| 6489 | MOVStreamContext *sc; | ||
| 6490 | int version; | ||
| 6491 | |||
| 6492 | ✗ | if (c->fc->nb_streams < 1) | |
| 6493 | ✗ | return AVERROR_INVALIDDATA; | |
| 6494 | |||
| 6495 | ✗ | sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data; | |
| 6496 | |||
| 6497 | ✗ | if (atom.size < 5) { | |
| 6498 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty Content Light Level box\n"); | |
| 6499 | ✗ | return AVERROR_INVALIDDATA; | |
| 6500 | } | ||
| 6501 | |||
| 6502 | ✗ | version = avio_r8(pb); | |
| 6503 | ✗ | if (version) { | |
| 6504 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unsupported Content Light Level box version %d\n", version); | |
| 6505 | ✗ | return 0; | |
| 6506 | } | ||
| 6507 | ✗ | avio_skip(pb, 3); /* flags */ | |
| 6508 | |||
| 6509 | ✗ | if (sc->coll){ | |
| 6510 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate COLL\n"); | |
| 6511 | ✗ | return 0; | |
| 6512 | } | ||
| 6513 | |||
| 6514 | ✗ | sc->coll = av_content_light_metadata_alloc(&sc->coll_size); | |
| 6515 | ✗ | if (!sc->coll) | |
| 6516 | ✗ | return AVERROR(ENOMEM); | |
| 6517 | |||
| 6518 | ✗ | sc->coll->MaxCLL = avio_rb16(pb); | |
| 6519 | ✗ | sc->coll->MaxFALL = avio_rb16(pb); | |
| 6520 | |||
| 6521 | ✗ | return 0; | |
| 6522 | } | ||
| 6523 | |||
| 6524 | ✗ | static int mov_read_clli(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6525 | { | ||
| 6526 | MOVStreamContext *sc; | ||
| 6527 | |||
| 6528 | ✗ | if (c->fc->nb_streams < 1) | |
| 6529 | ✗ | return AVERROR_INVALIDDATA; | |
| 6530 | |||
| 6531 | ✗ | sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data; | |
| 6532 | |||
| 6533 | ✗ | if (atom.size < 4) { | |
| 6534 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty Content Light Level Info box\n"); | |
| 6535 | ✗ | return AVERROR_INVALIDDATA; | |
| 6536 | } | ||
| 6537 | |||
| 6538 | ✗ | if (sc->coll){ | |
| 6539 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate CLLI/COLL\n"); | |
| 6540 | ✗ | return 0; | |
| 6541 | } | ||
| 6542 | |||
| 6543 | ✗ | sc->coll = av_content_light_metadata_alloc(&sc->coll_size); | |
| 6544 | ✗ | if (!sc->coll) | |
| 6545 | ✗ | return AVERROR(ENOMEM); | |
| 6546 | |||
| 6547 | ✗ | sc->coll->MaxCLL = avio_rb16(pb); | |
| 6548 | ✗ | sc->coll->MaxFALL = avio_rb16(pb); | |
| 6549 | |||
| 6550 | ✗ | return 0; | |
| 6551 | } | ||
| 6552 | |||
| 6553 | 4 | static int mov_read_amve(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6554 | { | ||
| 6555 | MOVStreamContext *sc; | ||
| 6556 | 4 | const int illuminance_den = 10000; | |
| 6557 | 4 | const int ambient_den = 50000; | |
| 6558 |
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|
4 | if (c->fc->nb_streams < 1) |
| 6559 | ✗ | return AVERROR_INVALIDDATA; | |
| 6560 | 4 | sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data; | |
| 6561 |
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|
4 | if (atom.size < 6) { |
| 6562 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty Ambient Viewing Environment Info box\n"); | |
| 6563 | ✗ | return AVERROR_INVALIDDATA; | |
| 6564 | } | ||
| 6565 |
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|
4 | if (sc->ambient){ |
| 6566 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate AMVE\n"); | |
| 6567 | ✗ | return 0; | |
| 6568 | } | ||
| 6569 | 4 | sc->ambient = av_ambient_viewing_environment_alloc(&sc->ambient_size); | |
| 6570 |
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|
4 | if (!sc->ambient) |
| 6571 | ✗ | return AVERROR(ENOMEM); | |
| 6572 | 4 | sc->ambient->ambient_illuminance = av_make_q(avio_rb32(pb), illuminance_den); | |
| 6573 | 4 | sc->ambient->ambient_light_x = av_make_q(avio_rb16(pb), ambient_den); | |
| 6574 | 4 | sc->ambient->ambient_light_y = av_make_q(avio_rb16(pb), ambient_den); | |
| 6575 | 4 | return 0; | |
| 6576 | } | ||
| 6577 | |||
| 6578 | 1 | static int mov_read_st3d(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6579 | { | ||
| 6580 | AVStream *st; | ||
| 6581 | MOVStreamContext *sc; | ||
| 6582 | enum AVStereo3DType type; | ||
| 6583 | int mode; | ||
| 6584 | |||
| 6585 |
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|
1 | if (c->fc->nb_streams < 1) |
| 6586 | ✗ | return 0; | |
| 6587 | |||
| 6588 | 1 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 6589 | 1 | sc = st->priv_data; | |
| 6590 | |||
| 6591 |
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|
1 | if (atom.size < 5) { |
| 6592 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty stereoscopic video box\n"); | |
| 6593 | ✗ | return AVERROR_INVALIDDATA; | |
| 6594 | } | ||
| 6595 | |||
| 6596 |
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|
1 | if (sc->stereo3d) |
| 6597 | ✗ | return AVERROR_INVALIDDATA; | |
| 6598 | |||
| 6599 | 1 | avio_skip(pb, 4); /* version + flags */ | |
| 6600 | |||
| 6601 | 1 | mode = avio_r8(pb); | |
| 6602 |
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|
1 | switch (mode) { |
| 6603 | 1 | case 0: | |
| 6604 | 1 | type = AV_STEREO3D_2D; | |
| 6605 | 1 | break; | |
| 6606 | ✗ | case 1: | |
| 6607 | ✗ | type = AV_STEREO3D_TOPBOTTOM; | |
| 6608 | ✗ | break; | |
| 6609 | ✗ | case 2: | |
| 6610 | ✗ | type = AV_STEREO3D_SIDEBYSIDE; | |
| 6611 | ✗ | break; | |
| 6612 | ✗ | default: | |
| 6613 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown st3d mode value %d\n", mode); | |
| 6614 | ✗ | return 0; | |
| 6615 | } | ||
| 6616 | |||
| 6617 | 1 | sc->stereo3d = av_stereo3d_alloc_size(&sc->stereo3d_size); | |
| 6618 |
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|
1 | if (!sc->stereo3d) |
| 6619 | ✗ | return AVERROR(ENOMEM); | |
| 6620 | |||
| 6621 | 1 | sc->stereo3d->type = type; | |
| 6622 | 1 | return 0; | |
| 6623 | } | ||
| 6624 | |||
| 6625 | ✗ | static int mov_read_pack(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6626 | { | ||
| 6627 | AVStream *st; | ||
| 6628 | MOVStreamContext *sc; | ||
| 6629 | ✗ | int size = 0; | |
| 6630 | int64_t remaining; | ||
| 6631 | ✗ | uint32_t tag = 0; | |
| 6632 | ✗ | enum AVStereo3DType type = AV_STEREO3D_2D; | |
| 6633 | |||
| 6634 | ✗ | if (c->fc->nb_streams < 1) | |
| 6635 | ✗ | return 0; | |
| 6636 | |||
| 6637 | ✗ | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 6638 | ✗ | sc = st->priv_data; | |
| 6639 | |||
| 6640 | ✗ | remaining = atom.size; | |
| 6641 | ✗ | while (remaining > 0) { | |
| 6642 | ✗ | size = avio_rb32(pb); | |
| 6643 | ✗ | if (size < 8 || size > remaining ) { | |
| 6644 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid child size in pack box\n"); | |
| 6645 | ✗ | return AVERROR_INVALIDDATA; | |
| 6646 | } | ||
| 6647 | |||
| 6648 | ✗ | tag = avio_rl32(pb); | |
| 6649 | ✗ | switch (tag) { | |
| 6650 | ✗ | case MKTAG('p','k','i','n'): { | |
| 6651 | ✗ | if (size != 16) { | |
| 6652 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of pkin box: %d\n", size); | |
| 6653 | ✗ | return AVERROR_INVALIDDATA; | |
| 6654 | } | ||
| 6655 | ✗ | avio_skip(pb, 1); // version | |
| 6656 | ✗ | avio_skip(pb, 3); // flags | |
| 6657 | |||
| 6658 | ✗ | tag = avio_rl32(pb); | |
| 6659 | ✗ | switch (tag) { | |
| 6660 | ✗ | case MKTAG('s','i','d','e'): | |
| 6661 | ✗ | type = AV_STEREO3D_SIDEBYSIDE; | |
| 6662 | ✗ | break; | |
| 6663 | ✗ | case MKTAG('o','v','e','r'): | |
| 6664 | ✗ | type = AV_STEREO3D_TOPBOTTOM; | |
| 6665 | ✗ | break; | |
| 6666 | ✗ | case 0: | |
| 6667 | // This means value will be set in another layer | ||
| 6668 | ✗ | break; | |
| 6669 | ✗ | default: | |
| 6670 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown tag in pkin: 0x%08X\n", tag); | |
| 6671 | ✗ | avio_skip(pb, size - 8); | |
| 6672 | ✗ | break; | |
| 6673 | } | ||
| 6674 | |||
| 6675 | ✗ | break; | |
| 6676 | } | ||
| 6677 | ✗ | default: | |
| 6678 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown tag in pack: 0x%08X\n", tag); | |
| 6679 | ✗ | avio_skip(pb, size - 8); | |
| 6680 | ✗ | break; | |
| 6681 | } | ||
| 6682 | ✗ | remaining -= size; | |
| 6683 | } | ||
| 6684 | |||
| 6685 | ✗ | if (remaining != 0) { | |
| 6686 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Broken pack box\n"); | |
| 6687 | ✗ | return AVERROR_INVALIDDATA; | |
| 6688 | } | ||
| 6689 | |||
| 6690 | ✗ | if (type == AV_STEREO3D_2D) | |
| 6691 | ✗ | return 0; | |
| 6692 | |||
| 6693 | ✗ | if (!sc->stereo3d) { | |
| 6694 | ✗ | sc->stereo3d = av_stereo3d_alloc_size(&sc->stereo3d_size); | |
| 6695 | ✗ | if (!sc->stereo3d) | |
| 6696 | ✗ | return AVERROR(ENOMEM); | |
| 6697 | } | ||
| 6698 | |||
| 6699 | ✗ | sc->stereo3d->type = type; | |
| 6700 | |||
| 6701 | ✗ | return 0; | |
| 6702 | } | ||
| 6703 | |||
| 6704 | 1 | static int mov_read_sv3d(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6705 | { | ||
| 6706 | AVStream *st; | ||
| 6707 | MOVStreamContext *sc; | ||
| 6708 | int size, version, layout; | ||
| 6709 | int32_t yaw, pitch, roll; | ||
| 6710 | 1 | uint32_t l = 0, t = 0, r = 0, b = 0; | |
| 6711 | 1 | uint32_t tag, padding = 0; | |
| 6712 | enum AVSphericalProjection projection; | ||
| 6713 | |||
| 6714 |
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|
1 | if (c->fc->nb_streams < 1) |
| 6715 | ✗ | return 0; | |
| 6716 | |||
| 6717 | 1 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 6718 | 1 | sc = st->priv_data; | |
| 6719 | |||
| 6720 |
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|
1 | if (atom.size < 8) { |
| 6721 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty spherical video box\n"); | |
| 6722 | ✗ | return AVERROR_INVALIDDATA; | |
| 6723 | } | ||
| 6724 | |||
| 6725 | 1 | size = avio_rb32(pb); | |
| 6726 |
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|
1 | if (size <= 12 || size > atom.size) |
| 6727 | ✗ | return AVERROR_INVALIDDATA; | |
| 6728 | |||
| 6729 | 1 | tag = avio_rl32(pb); | |
| 6730 |
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|
1 | if (tag != MKTAG('s','v','h','d')) { |
| 6731 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Missing spherical video header\n"); | |
| 6732 | ✗ | return 0; | |
| 6733 | } | ||
| 6734 | 1 | version = avio_r8(pb); | |
| 6735 |
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|
1 | if (version != 0) { |
| 6736 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown spherical version %d\n", | |
| 6737 | version); | ||
| 6738 | ✗ | return 0; | |
| 6739 | } | ||
| 6740 | 1 | avio_skip(pb, 3); /* flags */ | |
| 6741 | 1 | avio_skip(pb, size - 12); /* metadata_source */ | |
| 6742 | |||
| 6743 | 1 | size = avio_rb32(pb); | |
| 6744 |
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|
1 | if (size > atom.size) |
| 6745 | ✗ | return AVERROR_INVALIDDATA; | |
| 6746 | |||
| 6747 | 1 | tag = avio_rl32(pb); | |
| 6748 |
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1 | if (tag != MKTAG('p','r','o','j')) { |
| 6749 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Missing projection box\n"); | |
| 6750 | ✗ | return 0; | |
| 6751 | } | ||
| 6752 | |||
| 6753 | 1 | size = avio_rb32(pb); | |
| 6754 |
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|
1 | if (size > atom.size) |
| 6755 | ✗ | return AVERROR_INVALIDDATA; | |
| 6756 | |||
| 6757 | 1 | tag = avio_rl32(pb); | |
| 6758 |
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|
1 | if (tag != MKTAG('p','r','h','d')) { |
| 6759 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Missing projection header box\n"); | |
| 6760 | ✗ | return 0; | |
| 6761 | } | ||
| 6762 | 1 | version = avio_r8(pb); | |
| 6763 |
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|
1 | if (version != 0) { |
| 6764 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown spherical version %d\n", | |
| 6765 | version); | ||
| 6766 | ✗ | return 0; | |
| 6767 | } | ||
| 6768 | 1 | avio_skip(pb, 3); /* flags */ | |
| 6769 | |||
| 6770 | /* 16.16 fixed point */ | ||
| 6771 | 1 | yaw = avio_rb32(pb); | |
| 6772 | 1 | pitch = avio_rb32(pb); | |
| 6773 | 1 | roll = avio_rb32(pb); | |
| 6774 | |||
| 6775 | 1 | size = avio_rb32(pb); | |
| 6776 |
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|
1 | if (size > atom.size) |
| 6777 | ✗ | return AVERROR_INVALIDDATA; | |
| 6778 | |||
| 6779 | 1 | tag = avio_rl32(pb); | |
| 6780 | 1 | version = avio_r8(pb); | |
| 6781 |
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|
1 | if (version != 0) { |
| 6782 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown spherical version %d\n", | |
| 6783 | version); | ||
| 6784 | ✗ | return 0; | |
| 6785 | } | ||
| 6786 | 1 | avio_skip(pb, 3); /* flags */ | |
| 6787 |
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|
1 | switch (tag) { |
| 6788 | ✗ | case MKTAG('c','b','m','p'): | |
| 6789 | ✗ | layout = avio_rb32(pb); | |
| 6790 | ✗ | if (layout) { | |
| 6791 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 6792 | "Unsupported cubemap layout %d\n", layout); | ||
| 6793 | ✗ | return 0; | |
| 6794 | } | ||
| 6795 | ✗ | projection = AV_SPHERICAL_CUBEMAP; | |
| 6796 | ✗ | padding = avio_rb32(pb); | |
| 6797 | ✗ | break; | |
| 6798 | 1 | case MKTAG('e','q','u','i'): | |
| 6799 | 1 | t = avio_rb32(pb); | |
| 6800 | 1 | b = avio_rb32(pb); | |
| 6801 | 1 | l = avio_rb32(pb); | |
| 6802 | 1 | r = avio_rb32(pb); | |
| 6803 | |||
| 6804 |
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|
1 | if (b >= UINT_MAX - t || r >= UINT_MAX - l) { |
| 6805 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 6806 | "Invalid bounding rectangle coordinates " | ||
| 6807 | "%"PRIu32",%"PRIu32",%"PRIu32",%"PRIu32"\n", l, t, r, b); | ||
| 6808 | ✗ | return AVERROR_INVALIDDATA; | |
| 6809 | } | ||
| 6810 | |||
| 6811 |
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|
1 | if (l || t || r || b) |
| 6812 | 1 | projection = AV_SPHERICAL_EQUIRECTANGULAR_TILE; | |
| 6813 | else | ||
| 6814 | ✗ | projection = AV_SPHERICAL_EQUIRECTANGULAR; | |
| 6815 | 1 | break; | |
| 6816 | ✗ | default: | |
| 6817 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Unknown projection type: %s\n", av_fourcc2str(tag)); | |
| 6818 | ✗ | return 0; | |
| 6819 | } | ||
| 6820 | |||
| 6821 | 1 | sc->spherical = av_spherical_alloc(&sc->spherical_size); | |
| 6822 |
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|
1 | if (!sc->spherical) |
| 6823 | ✗ | return AVERROR(ENOMEM); | |
| 6824 | |||
| 6825 | 1 | sc->spherical->projection = projection; | |
| 6826 | |||
| 6827 | 1 | sc->spherical->yaw = yaw; | |
| 6828 | 1 | sc->spherical->pitch = pitch; | |
| 6829 | 1 | sc->spherical->roll = roll; | |
| 6830 | |||
| 6831 | 1 | sc->spherical->padding = padding; | |
| 6832 | |||
| 6833 | 1 | sc->spherical->bound_left = l; | |
| 6834 | 1 | sc->spherical->bound_top = t; | |
| 6835 | 1 | sc->spherical->bound_right = r; | |
| 6836 | 1 | sc->spherical->bound_bottom = b; | |
| 6837 | |||
| 6838 | 1 | return 0; | |
| 6839 | } | ||
| 6840 | |||
| 6841 | 3 | static int mov_read_vexu_proj(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6842 | { | ||
| 6843 | AVStream *st; | ||
| 6844 | MOVStreamContext *sc; | ||
| 6845 | int size; | ||
| 6846 | uint32_t tag; | ||
| 6847 | enum AVSphericalProjection projection; | ||
| 6848 | |||
| 6849 |
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|
3 | if (c->fc->nb_streams < 1) |
| 6850 | ✗ | return 0; | |
| 6851 | |||
| 6852 | 3 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 6853 | 3 | sc = st->priv_data; | |
| 6854 | |||
| 6855 |
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|
3 | if (atom.size != 16) { |
| 6856 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size for proj box: %"PRIu64"\n", atom.size); | |
| 6857 | ✗ | return AVERROR_INVALIDDATA; | |
| 6858 | } | ||
| 6859 | |||
| 6860 | 3 | size = avio_rb32(pb); | |
| 6861 |
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|
3 | if (size != 16) { |
| 6862 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size for prji box: %d\n", size); | |
| 6863 | ✗ | return AVERROR_INVALIDDATA; | |
| 6864 | } | ||
| 6865 | |||
| 6866 | 3 | tag = avio_rl32(pb); | |
| 6867 |
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|
3 | if (tag != MKTAG('p','r','j','i')) { |
| 6868 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid child box of proj box: 0x%08X\n", tag); | |
| 6869 | ✗ | return AVERROR_INVALIDDATA; | |
| 6870 | } | ||
| 6871 | |||
| 6872 | 3 | avio_skip(pb, 1); // version | |
| 6873 | 3 | avio_skip(pb, 3); // flags | |
| 6874 | |||
| 6875 | 3 | tag = avio_rl32(pb); | |
| 6876 |
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3 | switch (tag) { |
| 6877 | 3 | case MKTAG('r','e','c','t'): | |
| 6878 | 3 | projection = AV_SPHERICAL_RECTILINEAR; | |
| 6879 | 3 | break; | |
| 6880 | ✗ | case MKTAG('e','q','u','i'): | |
| 6881 | ✗ | projection = AV_SPHERICAL_EQUIRECTANGULAR; | |
| 6882 | ✗ | break; | |
| 6883 | ✗ | case MKTAG('h','e','q','u'): | |
| 6884 | ✗ | projection = AV_SPHERICAL_HALF_EQUIRECTANGULAR; | |
| 6885 | ✗ | break; | |
| 6886 | ✗ | case MKTAG('f','i','s','h'): | |
| 6887 | ✗ | projection = AV_SPHERICAL_FISHEYE; | |
| 6888 | ✗ | break; | |
| 6889 | ✗ | case MKTAG('p','r','i','m'): | |
| 6890 | ✗ | projection = AV_SPHERICAL_PARAMETRIC_IMMERSIVE; | |
| 6891 | ✗ | break; | |
| 6892 | ✗ | default: | |
| 6893 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid projection type in prji box: 0x%08X\n", tag); | |
| 6894 | ✗ | return AVERROR_INVALIDDATA; | |
| 6895 | } | ||
| 6896 | |||
| 6897 | 3 | sc->spherical = av_spherical_alloc(&sc->spherical_size); | |
| 6898 |
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|
3 | if (!sc->spherical) |
| 6899 | ✗ | return AVERROR(ENOMEM); | |
| 6900 | |||
| 6901 | 3 | sc->spherical->projection = projection; | |
| 6902 | |||
| 6903 | 3 | return 0; | |
| 6904 | } | ||
| 6905 | |||
| 6906 | 3 | static int mov_read_eyes(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 6907 | { | ||
| 6908 | AVStream *st; | ||
| 6909 | MOVStreamContext *sc; | ||
| 6910 | 3 | int size, flags = 0; | |
| 6911 | int64_t remaining; | ||
| 6912 | 3 | uint32_t tag, baseline = 0; | |
| 6913 | 3 | enum AVStereo3DView view = AV_STEREO3D_VIEW_UNSPEC; | |
| 6914 | 3 | enum AVStereo3DType type = AV_STEREO3D_2D; | |
| 6915 | 3 | enum AVStereo3DPrimaryEye primary_eye = AV_PRIMARY_EYE_NONE; | |
| 6916 | 3 | AVRational horizontal_disparity_adjustment = { 0, 1 }; | |
| 6917 | |||
| 6918 |
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3 | if (c->fc->nb_streams < 1) |
| 6919 | ✗ | return 0; | |
| 6920 | |||
| 6921 | 3 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 6922 | 3 | sc = st->priv_data; | |
| 6923 | |||
| 6924 | 3 | remaining = atom.size; | |
| 6925 |
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|
12 | while (remaining > 0) { |
| 6926 | 9 | size = avio_rb32(pb); | |
| 6927 |
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9 | if (size < 8 || size > remaining ) { |
| 6928 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid child size in eyes box\n"); | |
| 6929 | ✗ | return AVERROR_INVALIDDATA; | |
| 6930 | } | ||
| 6931 | |||
| 6932 | 9 | tag = avio_rl32(pb); | |
| 6933 |
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9 | switch (tag) { |
| 6934 | 3 | case MKTAG('s','t','r','i'): { | |
| 6935 | int has_right, has_left; | ||
| 6936 | uint8_t tmp; | ||
| 6937 |
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|
3 | if (size != 13) { |
| 6938 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of stri box: %d\n", size); | |
| 6939 | ✗ | return AVERROR_INVALIDDATA; | |
| 6940 | } | ||
| 6941 | 3 | avio_skip(pb, 1); // version | |
| 6942 | 3 | avio_skip(pb, 3); // flags | |
| 6943 | |||
| 6944 | 3 | tmp = avio_r8(pb); | |
| 6945 | |||
| 6946 | // eye_views_reversed | ||
| 6947 |
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|
3 | if (tmp & 8) { |
| 6948 | ✗ | flags |= AV_STEREO3D_FLAG_INVERT; | |
| 6949 | } | ||
| 6950 | // has_additional_views | ||
| 6951 | 3 | if (tmp & 4) { | |
| 6952 | // skip... | ||
| 6953 | } | ||
| 6954 | |||
| 6955 | 3 | has_right = tmp & 2; // has_right_eye_view | |
| 6956 | 3 | has_left = tmp & 1; // has_left_eye_view | |
| 6957 | |||
| 6958 |
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3 | if (has_left && has_right) |
| 6959 | 3 | view = AV_STEREO3D_VIEW_PACKED; | |
| 6960 | ✗ | else if (has_left) | |
| 6961 | ✗ | view = AV_STEREO3D_VIEW_LEFT; | |
| 6962 | ✗ | else if (has_right) | |
| 6963 | ✗ | view = AV_STEREO3D_VIEW_RIGHT; | |
| 6964 |
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3 | if (has_left || has_right) |
| 6965 | 3 | type = AV_STEREO3D_UNSPEC; | |
| 6966 | |||
| 6967 | 3 | break; | |
| 6968 | } | ||
| 6969 | ✗ | case MKTAG('h','e','r','o'): { | |
| 6970 | int tmp; | ||
| 6971 | ✗ | if (size != 13) { | |
| 6972 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of hero box: %d\n", size); | |
| 6973 | ✗ | return AVERROR_INVALIDDATA; | |
| 6974 | } | ||
| 6975 | ✗ | avio_skip(pb, 1); // version | |
| 6976 | ✗ | avio_skip(pb, 3); // flags | |
| 6977 | |||
| 6978 | ✗ | tmp = avio_r8(pb); | |
| 6979 | ✗ | if (tmp == 0) | |
| 6980 | ✗ | primary_eye = AV_PRIMARY_EYE_NONE; | |
| 6981 | ✗ | else if (tmp == 1) | |
| 6982 | ✗ | primary_eye = AV_PRIMARY_EYE_LEFT; | |
| 6983 | ✗ | else if (tmp == 2) | |
| 6984 | ✗ | primary_eye = AV_PRIMARY_EYE_RIGHT; | |
| 6985 | else | ||
| 6986 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown hero eye type: %d\n", tmp); | |
| 6987 | |||
| 6988 | ✗ | break; | |
| 6989 | } | ||
| 6990 | 3 | case MKTAG('c','a','m','s'): { | |
| 6991 | uint32_t subtag; | ||
| 6992 | int subsize; | ||
| 6993 |
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|
3 | if (size != 24) { |
| 6994 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of cams box: %d\n", size); | |
| 6995 | ✗ | return AVERROR_INVALIDDATA; | |
| 6996 | } | ||
| 6997 | |||
| 6998 | 3 | subsize = avio_rb32(pb); | |
| 6999 |
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|
3 | if (subsize != 16) { |
| 7000 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of blin box: %d\n", size); | |
| 7001 | ✗ | return AVERROR_INVALIDDATA; | |
| 7002 | } | ||
| 7003 | |||
| 7004 | 3 | subtag = avio_rl32(pb); | |
| 7005 |
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|
3 | if (subtag != MKTAG('b','l','i','n')) { |
| 7006 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Expected blin box, got 0x%08X\n", subtag); | |
| 7007 | ✗ | return AVERROR_INVALIDDATA; | |
| 7008 | } | ||
| 7009 | |||
| 7010 | 3 | avio_skip(pb, 1); // version | |
| 7011 | 3 | avio_skip(pb, 3); // flags | |
| 7012 | |||
| 7013 | 3 | baseline = avio_rb32(pb); | |
| 7014 | |||
| 7015 | 3 | break; | |
| 7016 | } | ||
| 7017 | 3 | case MKTAG('c','m','f','y'): { | |
| 7018 | uint32_t subtag; | ||
| 7019 | int subsize; | ||
| 7020 | int32_t adjustment; | ||
| 7021 |
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|
3 | if (size != 24) { |
| 7022 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of cmfy box: %d\n", size); | |
| 7023 | ✗ | return AVERROR_INVALIDDATA; | |
| 7024 | } | ||
| 7025 | |||
| 7026 | 3 | subsize = avio_rb32(pb); | |
| 7027 |
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|
3 | if (subsize != 16) { |
| 7028 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of dadj box: %d\n", size); | |
| 7029 | ✗ | return AVERROR_INVALIDDATA; | |
| 7030 | } | ||
| 7031 | |||
| 7032 | 3 | subtag = avio_rl32(pb); | |
| 7033 |
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|
3 | if (subtag != MKTAG('d','a','d','j')) { |
| 7034 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Expected dadj box, got 0x%08X\n", subtag); | |
| 7035 | ✗ | return AVERROR_INVALIDDATA; | |
| 7036 | } | ||
| 7037 | |||
| 7038 | 3 | avio_skip(pb, 1); // version | |
| 7039 | 3 | avio_skip(pb, 3); // flags | |
| 7040 | |||
| 7041 | 3 | adjustment = (int32_t) avio_rb32(pb); | |
| 7042 | |||
| 7043 | 3 | horizontal_disparity_adjustment.num = (int) adjustment; | |
| 7044 | 3 | horizontal_disparity_adjustment.den = 10000; | |
| 7045 | |||
| 7046 | 3 | break; | |
| 7047 | } | ||
| 7048 | ✗ | default: | |
| 7049 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown tag in eyes: 0x%08X\n", tag); | |
| 7050 | ✗ | avio_skip(pb, size - 8); | |
| 7051 | ✗ | break; | |
| 7052 | } | ||
| 7053 | 9 | remaining -= size; | |
| 7054 | } | ||
| 7055 | |||
| 7056 |
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|
3 | if (remaining != 0) { |
| 7057 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Broken eyes box\n"); | |
| 7058 | ✗ | return AVERROR_INVALIDDATA; | |
| 7059 | } | ||
| 7060 | |||
| 7061 |
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|
3 | if (type == AV_STEREO3D_2D) |
| 7062 | ✗ | return 0; | |
| 7063 | |||
| 7064 |
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|
3 | if (!sc->stereo3d) { |
| 7065 | 3 | sc->stereo3d = av_stereo3d_alloc_size(&sc->stereo3d_size); | |
| 7066 |
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|
3 | if (!sc->stereo3d) |
| 7067 | ✗ | return AVERROR(ENOMEM); | |
| 7068 | } | ||
| 7069 | |||
| 7070 | 3 | sc->stereo3d->flags = flags; | |
| 7071 | 3 | sc->stereo3d->type = type; | |
| 7072 | 3 | sc->stereo3d->view = view; | |
| 7073 | 3 | sc->stereo3d->primary_eye = primary_eye; | |
| 7074 | 3 | sc->stereo3d->baseline = baseline; | |
| 7075 | 3 | sc->stereo3d->horizontal_disparity_adjustment = horizontal_disparity_adjustment; | |
| 7076 | |||
| 7077 | 3 | return 0; | |
| 7078 | } | ||
| 7079 | |||
| 7080 | 3 | static int mov_read_vexu(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7081 | { | ||
| 7082 | int size; | ||
| 7083 | int64_t remaining; | ||
| 7084 | uint32_t tag; | ||
| 7085 | |||
| 7086 |
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3 | if (c->fc->nb_streams < 1) |
| 7087 | ✗ | return 0; | |
| 7088 | |||
| 7089 |
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|
3 | if (atom.size < 8) { |
| 7090 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty video extension usage box\n"); | |
| 7091 | ✗ | return AVERROR_INVALIDDATA; | |
| 7092 | } | ||
| 7093 | |||
| 7094 | 3 | remaining = atom.size; | |
| 7095 |
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|
9 | while (remaining > 0) { |
| 7096 | 6 | size = avio_rb32(pb); | |
| 7097 |
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|
6 | if (size < 8 || size > remaining ) { |
| 7098 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid child size in vexu box\n"); | |
| 7099 | ✗ | return AVERROR_INVALIDDATA; | |
| 7100 | } | ||
| 7101 | |||
| 7102 | 6 | tag = avio_rl32(pb); | |
| 7103 |
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|
6 | switch (tag) { |
| 7104 | 3 | case MKTAG('p','r','o','j'): { | |
| 7105 | 3 | MOVAtom proj = { tag, size - 8 }; | |
| 7106 | 3 | int ret = mov_read_vexu_proj(c, pb, proj); | |
| 7107 |
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|
3 | if (ret < 0) |
| 7108 | ✗ | return ret; | |
| 7109 | 3 | break; | |
| 7110 | } | ||
| 7111 | 3 | case MKTAG('e','y','e','s'): { | |
| 7112 | 3 | MOVAtom eyes = { tag, size - 8 }; | |
| 7113 | 3 | int ret = mov_read_eyes(c, pb, eyes); | |
| 7114 |
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|
3 | if (ret < 0) |
| 7115 | ✗ | return ret; | |
| 7116 | 3 | break; | |
| 7117 | } | ||
| 7118 | ✗ | case MKTAG('p','a','c','k'): { | |
| 7119 | ✗ | MOVAtom pack = { tag, size - 8 }; | |
| 7120 | ✗ | int ret = mov_read_pack(c, pb, pack); | |
| 7121 | ✗ | if (ret < 0) | |
| 7122 | ✗ | return ret; | |
| 7123 | ✗ | break; | |
| 7124 | } | ||
| 7125 | ✗ | default: | |
| 7126 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown tag in vexu: 0x%08X\n", tag); | |
| 7127 | ✗ | avio_skip(pb, size - 8); | |
| 7128 | ✗ | break; | |
| 7129 | } | ||
| 7130 | 6 | remaining -= size; | |
| 7131 | } | ||
| 7132 | |||
| 7133 |
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|
3 | if (remaining != 0) { |
| 7134 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Broken vexu box\n"); | |
| 7135 | ✗ | return AVERROR_INVALIDDATA; | |
| 7136 | } | ||
| 7137 | |||
| 7138 | 3 | return 0; | |
| 7139 | } | ||
| 7140 | |||
| 7141 | 3 | static int mov_read_hfov(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7142 | { | ||
| 7143 | AVStream *st; | ||
| 7144 | MOVStreamContext *sc; | ||
| 7145 | |||
| 7146 |
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|
3 | if (c->fc->nb_streams < 1) |
| 7147 | ✗ | return 0; | |
| 7148 | |||
| 7149 | 3 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 7150 | 3 | sc = st->priv_data; | |
| 7151 | |||
| 7152 |
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|
3 | if (atom.size != 4) { |
| 7153 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid size of hfov box: %"PRIu64"\n", atom.size); | |
| 7154 | ✗ | return AVERROR_INVALIDDATA; | |
| 7155 | } | ||
| 7156 | |||
| 7157 | |||
| 7158 |
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|
3 | if (!sc->stereo3d) { |
| 7159 | ✗ | sc->stereo3d = av_stereo3d_alloc_size(&sc->stereo3d_size); | |
| 7160 | ✗ | if (!sc->stereo3d) | |
| 7161 | ✗ | return AVERROR(ENOMEM); | |
| 7162 | } | ||
| 7163 | |||
| 7164 | 3 | sc->stereo3d->horizontal_field_of_view.num = avio_rb32(pb); | |
| 7165 | 3 | sc->stereo3d->horizontal_field_of_view.den = 1000; // thousands of a degree | |
| 7166 | |||
| 7167 | 3 | return 0; | |
| 7168 | } | ||
| 7169 | |||
| 7170 | ✗ | static int mov_parse_uuid_spherical(MOVStreamContext *sc, AVIOContext *pb, size_t len) | |
| 7171 | { | ||
| 7172 | ✗ | int ret = 0; | |
| 7173 | ✗ | uint8_t *buffer = av_malloc(len + 1); | |
| 7174 | const char *val; | ||
| 7175 | |||
| 7176 | ✗ | if (!buffer) | |
| 7177 | ✗ | return AVERROR(ENOMEM); | |
| 7178 | ✗ | buffer[len] = '\0'; | |
| 7179 | |||
| 7180 | ✗ | ret = ffio_read_size(pb, buffer, len); | |
| 7181 | ✗ | if (ret < 0) | |
| 7182 | ✗ | goto out; | |
| 7183 | |||
| 7184 | /* Check for mandatory keys and values, try to support XML as best-effort */ | ||
| 7185 | ✗ | if (!sc->spherical && | |
| 7186 | ✗ | av_stristr(buffer, "<GSpherical:StitchingSoftware>") && | |
| 7187 | ✗ | (val = av_stristr(buffer, "<GSpherical:Spherical>")) && | |
| 7188 | ✗ | av_stristr(val, "true") && | |
| 7189 | ✗ | (val = av_stristr(buffer, "<GSpherical:Stitched>")) && | |
| 7190 | ✗ | av_stristr(val, "true") && | |
| 7191 | ✗ | (val = av_stristr(buffer, "<GSpherical:ProjectionType>")) && | |
| 7192 | ✗ | av_stristr(val, "equirectangular")) { | |
| 7193 | ✗ | sc->spherical = av_spherical_alloc(&sc->spherical_size); | |
| 7194 | ✗ | if (!sc->spherical) | |
| 7195 | ✗ | goto out; | |
| 7196 | |||
| 7197 | ✗ | sc->spherical->projection = AV_SPHERICAL_EQUIRECTANGULAR; | |
| 7198 | |||
| 7199 | ✗ | if (av_stristr(buffer, "<GSpherical:StereoMode>") && !sc->stereo3d) { | |
| 7200 | enum AVStereo3DType mode; | ||
| 7201 | |||
| 7202 | ✗ | if (av_stristr(buffer, "left-right")) | |
| 7203 | ✗ | mode = AV_STEREO3D_SIDEBYSIDE; | |
| 7204 | ✗ | else if (av_stristr(buffer, "top-bottom")) | |
| 7205 | ✗ | mode = AV_STEREO3D_TOPBOTTOM; | |
| 7206 | else | ||
| 7207 | ✗ | mode = AV_STEREO3D_2D; | |
| 7208 | |||
| 7209 | ✗ | sc->stereo3d = av_stereo3d_alloc_size(&sc->stereo3d_size); | |
| 7210 | ✗ | if (!sc->stereo3d) | |
| 7211 | ✗ | goto out; | |
| 7212 | |||
| 7213 | ✗ | sc->stereo3d->type = mode; | |
| 7214 | } | ||
| 7215 | |||
| 7216 | /* orientation */ | ||
| 7217 | ✗ | val = av_stristr(buffer, "<GSpherical:InitialViewHeadingDegrees>"); | |
| 7218 | ✗ | if (val) | |
| 7219 | ✗ | sc->spherical->yaw = strtol(val, NULL, 10) * (1 << 16); | |
| 7220 | ✗ | val = av_stristr(buffer, "<GSpherical:InitialViewPitchDegrees>"); | |
| 7221 | ✗ | if (val) | |
| 7222 | ✗ | sc->spherical->pitch = strtol(val, NULL, 10) * (1 << 16); | |
| 7223 | ✗ | val = av_stristr(buffer, "<GSpherical:InitialViewRollDegrees>"); | |
| 7224 | ✗ | if (val) | |
| 7225 | ✗ | sc->spherical->roll = strtol(val, NULL, 10) * (1 << 16); | |
| 7226 | } | ||
| 7227 | |||
| 7228 | ✗ | out: | |
| 7229 | ✗ | av_free(buffer); | |
| 7230 | ✗ | return ret; | |
| 7231 | } | ||
| 7232 | |||
| 7233 | 69 | static int mov_read_uuid(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7234 | { | ||
| 7235 | AVStream *st; | ||
| 7236 | MOVStreamContext *sc; | ||
| 7237 | int64_t ret; | ||
| 7238 | AVUUID uuid; | ||
| 7239 | static const AVUUID uuid_isml_manifest = { | ||
| 7240 | 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd, | ||
| 7241 | 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 | ||
| 7242 | }; | ||
| 7243 | static const AVUUID uuid_xmp = { | ||
| 7244 | 0xbe, 0x7a, 0xcf, 0xcb, 0x97, 0xa9, 0x42, 0xe8, | ||
| 7245 | 0x9c, 0x71, 0x99, 0x94, 0x91, 0xe3, 0xaf, 0xac | ||
| 7246 | }; | ||
| 7247 | static const AVUUID uuid_spherical = { | ||
| 7248 | 0xff, 0xcc, 0x82, 0x63, 0xf8, 0x55, 0x4a, 0x93, | ||
| 7249 | 0x88, 0x14, 0x58, 0x7a, 0x02, 0x52, 0x1f, 0xdd, | ||
| 7250 | }; | ||
| 7251 | |||
| 7252 |
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|
69 | if (atom.size < AV_UUID_LEN || atom.size >= FFMIN(INT_MAX, SIZE_MAX)) |
| 7253 | ✗ | return AVERROR_INVALIDDATA; | |
| 7254 | |||
| 7255 |
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|
69 | if (c->fc->nb_streams < 1) |
| 7256 | 3 | return 0; | |
| 7257 | 66 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 7258 | 66 | sc = st->priv_data; | |
| 7259 | |||
| 7260 | 66 | ret = ffio_read_size(pb, uuid, AV_UUID_LEN); | |
| 7261 |
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|
66 | if (ret < 0) |
| 7262 | ✗ | return ret; | |
| 7263 |
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|
66 | if (av_uuid_equal(uuid, uuid_isml_manifest)) { |
| 7264 | uint8_t *buffer, *ptr; | ||
| 7265 | char *endptr; | ||
| 7266 | ✗ | size_t len = atom.size - AV_UUID_LEN; | |
| 7267 | |||
| 7268 | ✗ | if (len < 4) { | |
| 7269 | ✗ | return AVERROR_INVALIDDATA; | |
| 7270 | } | ||
| 7271 | ✗ | ret = avio_skip(pb, 4); // zeroes | |
| 7272 | ✗ | len -= 4; | |
| 7273 | |||
| 7274 | ✗ | buffer = av_mallocz(len + 1); | |
| 7275 | ✗ | if (!buffer) { | |
| 7276 | ✗ | return AVERROR(ENOMEM); | |
| 7277 | } | ||
| 7278 | ✗ | ret = ffio_read_size(pb, buffer, len); | |
| 7279 | ✗ | if (ret < 0) { | |
| 7280 | ✗ | av_free(buffer); | |
| 7281 | ✗ | return ret; | |
| 7282 | } | ||
| 7283 | |||
| 7284 | ✗ | ptr = buffer; | |
| 7285 | ✗ | while ((ptr = av_stristr(ptr, "systemBitrate=\""))) { | |
| 7286 | ✗ | ptr += sizeof("systemBitrate=\"") - 1; | |
| 7287 | ✗ | c->bitrates_count++; | |
| 7288 | ✗ | c->bitrates = av_realloc_f(c->bitrates, c->bitrates_count, sizeof(*c->bitrates)); | |
| 7289 | ✗ | if (!c->bitrates) { | |
| 7290 | ✗ | c->bitrates_count = 0; | |
| 7291 | ✗ | av_free(buffer); | |
| 7292 | ✗ | return AVERROR(ENOMEM); | |
| 7293 | } | ||
| 7294 | ✗ | errno = 0; | |
| 7295 | ✗ | ret = strtol(ptr, &endptr, 10); | |
| 7296 | ✗ | if (ret < 0 || errno || *endptr != '"') { | |
| 7297 | ✗ | c->bitrates[c->bitrates_count - 1] = 0; | |
| 7298 | } else { | ||
| 7299 | ✗ | c->bitrates[c->bitrates_count - 1] = ret; | |
| 7300 | } | ||
| 7301 | } | ||
| 7302 | |||
| 7303 | ✗ | av_free(buffer); | |
| 7304 |
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|
66 | } else if (av_uuid_equal(uuid, uuid_xmp)) { |
| 7305 | uint8_t *buffer; | ||
| 7306 | ✗ | size_t len = atom.size - AV_UUID_LEN; | |
| 7307 | ✗ | if (c->export_xmp) { | |
| 7308 | ✗ | buffer = av_mallocz(len + 1); | |
| 7309 | ✗ | if (!buffer) { | |
| 7310 | ✗ | return AVERROR(ENOMEM); | |
| 7311 | } | ||
| 7312 | ✗ | ret = ffio_read_size(pb, buffer, len); | |
| 7313 | ✗ | if (ret < 0) { | |
| 7314 | ✗ | av_free(buffer); | |
| 7315 | ✗ | return ret; | |
| 7316 | } | ||
| 7317 | ✗ | buffer[len] = '\0'; | |
| 7318 | ✗ | av_dict_set(&c->fc->metadata, "xmp", | |
| 7319 | buffer, AV_DICT_DONT_STRDUP_VAL); | ||
| 7320 | } else { | ||
| 7321 | // skip all uuid atom, which makes it fast for long uuid-xmp file | ||
| 7322 | ✗ | ret = avio_skip(pb, len); | |
| 7323 | ✗ | if (ret < 0) | |
| 7324 | ✗ | return ret; | |
| 7325 | } | ||
| 7326 |
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|
66 | } else if (av_uuid_equal(uuid, uuid_spherical)) { |
| 7327 | ✗ | size_t len = atom.size - AV_UUID_LEN; | |
| 7328 | ✗ | ret = mov_parse_uuid_spherical(sc, pb, len); | |
| 7329 | ✗ | if (ret < 0) | |
| 7330 | ✗ | return ret; | |
| 7331 | ✗ | if (!sc->spherical) | |
| 7332 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Invalid spherical metadata found\n"); | |
| 7333 | } | ||
| 7334 | |||
| 7335 | 66 | return 0; | |
| 7336 | } | ||
| 7337 | |||
| 7338 | 194 | static int mov_read_free(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7339 | { | ||
| 7340 | int ret; | ||
| 7341 | uint8_t content[16]; | ||
| 7342 | |||
| 7343 |
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|
194 | if (atom.size < 8) |
| 7344 | 95 | return 0; | |
| 7345 | |||
| 7346 | 99 | ret = ffio_read_size(pb, content, FFMIN(sizeof(content), atom.size)); | |
| 7347 |
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|
99 | if (ret < 0) |
| 7348 | ✗ | return ret; | |
| 7349 | |||
| 7350 |
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|
99 | if ( !c->found_moov |
| 7351 |
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|
43 | && !c->found_mdat |
| 7352 |
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|
20 | && !memcmp(content, "Anevia\x1A\x1A", 8) |
| 7353 | ✗ | && c->use_mfra_for == FF_MOV_FLAG_MFRA_AUTO) { | |
| 7354 | ✗ | c->use_mfra_for = FF_MOV_FLAG_MFRA_PTS; | |
| 7355 | } | ||
| 7356 | |||
| 7357 | 99 | return 0; | |
| 7358 | } | ||
| 7359 | |||
| 7360 | 35 | static int mov_read_frma(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7361 | { | ||
| 7362 | 35 | uint32_t format = avio_rl32(pb); | |
| 7363 | MOVStreamContext *sc; | ||
| 7364 | enum AVCodecID id; | ||
| 7365 | AVStream *st; | ||
| 7366 | |||
| 7367 |
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✓ Branch 1 taken 35 times.
|
35 | if (c->fc->nb_streams < 1) |
| 7368 | ✗ | return 0; | |
| 7369 | 35 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 7370 | 35 | sc = st->priv_data; | |
| 7371 | |||
| 7372 |
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|
35 | switch (sc->format) |
| 7373 | { | ||
| 7374 | 3 | case MKTAG('e','n','c','v'): // encrypted video | |
| 7375 | case MKTAG('e','n','c','a'): // encrypted audio | ||
| 7376 | 3 | id = mov_codec_id(st, format); | |
| 7377 |
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|
3 | if (st->codecpar->codec_id != AV_CODEC_ID_NONE && |
| 7378 | ✗ | st->codecpar->codec_id != id) { | |
| 7379 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 7380 | "ignoring 'frma' atom of '%.4s', stream has codec id %d\n", | ||
| 7381 | ✗ | (char*)&format, st->codecpar->codec_id); | |
| 7382 | ✗ | break; | |
| 7383 | } | ||
| 7384 | |||
| 7385 | 3 | st->codecpar->codec_id = id; | |
| 7386 | 3 | sc->format = format; | |
| 7387 | 3 | break; | |
| 7388 | |||
| 7389 | 32 | default: | |
| 7390 |
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|
32 | if (format != sc->format) { |
| 7391 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 7392 | "ignoring 'frma' atom of '%.4s', stream format is '%.4s'\n", | ||
| 7393 | ✗ | (char*)&format, (char*)&sc->format); | |
| 7394 | } | ||
| 7395 | 32 | break; | |
| 7396 | } | ||
| 7397 | |||
| 7398 | 35 | return 0; | |
| 7399 | } | ||
| 7400 | |||
| 7401 | /** | ||
| 7402 | * Gets the current encryption info and associated current stream context. If | ||
| 7403 | * we are parsing a track fragment, this will return the specific encryption | ||
| 7404 | * info for this fragment; otherwise this will return the global encryption | ||
| 7405 | * info for the current stream. | ||
| 7406 | */ | ||
| 7407 | 6 | static int get_current_encryption_info(MOVContext *c, MOVEncryptionIndex **encryption_index, MOVStreamContext **sc) | |
| 7408 | { | ||
| 7409 | MOVFragmentStreamInfo *frag_stream_info; | ||
| 7410 | AVStream *st; | ||
| 7411 | int i; | ||
| 7412 | |||
| 7413 | 6 | frag_stream_info = get_current_frag_stream_info(&c->frag_index); | |
| 7414 |
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|
6 | if (frag_stream_info) { |
| 7415 |
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|
3 | for (i = 0; i < c->fc->nb_streams; i++) { |
| 7416 | 3 | *sc = c->fc->streams[i]->priv_data; | |
| 7417 |
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|
3 | if ((*sc)->id == frag_stream_info->id) { |
| 7418 | 3 | st = c->fc->streams[i]; | |
| 7419 | 3 | break; | |
| 7420 | } | ||
| 7421 | } | ||
| 7422 |
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|
3 | if (i == c->fc->nb_streams) |
| 7423 | ✗ | return 0; | |
| 7424 | 3 | *sc = st->priv_data; | |
| 7425 | |||
| 7426 |
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|
3 | if (!frag_stream_info->encryption_index) { |
| 7427 | // If this stream isn't encrypted, don't create the index. | ||
| 7428 |
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|
1 | if (!(*sc)->cenc.default_encrypted_sample) |
| 7429 | ✗ | return 0; | |
| 7430 | 1 | frag_stream_info->encryption_index = av_mallocz(sizeof(*frag_stream_info->encryption_index)); | |
| 7431 |
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|
1 | if (!frag_stream_info->encryption_index) |
| 7432 | ✗ | return AVERROR(ENOMEM); | |
| 7433 | } | ||
| 7434 | 3 | *encryption_index = frag_stream_info->encryption_index; | |
| 7435 | 3 | return 1; | |
| 7436 | } else { | ||
| 7437 | // No current track fragment, using stream level encryption info. | ||
| 7438 | |||
| 7439 |
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|
3 | if (c->fc->nb_streams < 1) |
| 7440 | ✗ | return 0; | |
| 7441 | 3 | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 7442 | 3 | *sc = st->priv_data; | |
| 7443 | |||
| 7444 |
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|
3 | if (!(*sc)->cenc.encryption_index) { |
| 7445 | // If this stream isn't encrypted, don't create the index. | ||
| 7446 | ✗ | if (!(*sc)->cenc.default_encrypted_sample) | |
| 7447 | ✗ | return 0; | |
| 7448 | ✗ | (*sc)->cenc.encryption_index = av_mallocz(sizeof(*frag_stream_info->encryption_index)); | |
| 7449 | ✗ | if (!(*sc)->cenc.encryption_index) | |
| 7450 | ✗ | return AVERROR(ENOMEM); | |
| 7451 | } | ||
| 7452 | |||
| 7453 | 3 | *encryption_index = (*sc)->cenc.encryption_index; | |
| 7454 | 3 | return 1; | |
| 7455 | } | ||
| 7456 | } | ||
| 7457 | |||
| 7458 | 72 | static int mov_read_sample_encryption_info(MOVContext *c, AVIOContext *pb, MOVStreamContext *sc, AVEncryptionInfo **sample, int use_subsamples) | |
| 7459 | { | ||
| 7460 | int i, ret; | ||
| 7461 | unsigned int subsample_count; | ||
| 7462 | AVSubsampleEncryptionInfo *subsamples; | ||
| 7463 | |||
| 7464 |
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|
72 | if (!sc->cenc.default_encrypted_sample) { |
| 7465 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Missing schm or tenc\n"); | |
| 7466 | ✗ | return AVERROR_INVALIDDATA; | |
| 7467 | } | ||
| 7468 | |||
| 7469 |
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|
72 | if (sc->cenc.per_sample_iv_size || use_subsamples) { |
| 7470 | 72 | *sample = av_encryption_info_clone(sc->cenc.default_encrypted_sample); | |
| 7471 |
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|
72 | if (!*sample) |
| 7472 | ✗ | return AVERROR(ENOMEM); | |
| 7473 | } else | ||
| 7474 | ✗ | *sample = NULL; | |
| 7475 | |||
| 7476 |
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|
72 | if (sc->cenc.per_sample_iv_size != 0) { |
| 7477 |
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|
72 | if ((ret = ffio_read_size(pb, (*sample)->iv, sc->cenc.per_sample_iv_size)) < 0) { |
| 7478 | ✗ | av_log(c->fc, AV_LOG_ERROR, "failed to read the initialization vector\n"); | |
| 7479 | ✗ | av_encryption_info_free(*sample); | |
| 7480 | ✗ | *sample = NULL; | |
| 7481 | ✗ | return ret; | |
| 7482 | } | ||
| 7483 | } | ||
| 7484 | |||
| 7485 |
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|
72 | if (use_subsamples) { |
| 7486 | 72 | subsample_count = avio_rb16(pb); | |
| 7487 | 72 | av_free((*sample)->subsamples); | |
| 7488 | 72 | (*sample)->subsamples = av_calloc(subsample_count, sizeof(*subsamples)); | |
| 7489 |
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|
72 | if (!(*sample)->subsamples) { |
| 7490 | ✗ | av_encryption_info_free(*sample); | |
| 7491 | ✗ | *sample = NULL; | |
| 7492 | ✗ | return AVERROR(ENOMEM); | |
| 7493 | } | ||
| 7494 | |||
| 7495 |
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|
144 | for (i = 0; i < subsample_count && !pb->eof_reached; i++) { |
| 7496 | 72 | (*sample)->subsamples[i].bytes_of_clear_data = avio_rb16(pb); | |
| 7497 | 72 | (*sample)->subsamples[i].bytes_of_protected_data = avio_rb32(pb); | |
| 7498 | } | ||
| 7499 | |||
| 7500 |
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|
72 | if (pb->eof_reached) { |
| 7501 | ✗ | av_log(c->fc, AV_LOG_ERROR, "hit EOF while reading sub-sample encryption info\n"); | |
| 7502 | ✗ | av_encryption_info_free(*sample); | |
| 7503 | ✗ | *sample = NULL; | |
| 7504 | ✗ | return AVERROR_INVALIDDATA; | |
| 7505 | } | ||
| 7506 | 72 | (*sample)->subsample_count = subsample_count; | |
| 7507 | } | ||
| 7508 | |||
| 7509 | 72 | return 0; | |
| 7510 | } | ||
| 7511 | |||
| 7512 | 2 | static int mov_read_senc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7513 | { | ||
| 7514 | AVEncryptionInfo **encrypted_samples; | ||
| 7515 | MOVEncryptionIndex *encryption_index; | ||
| 7516 | MOVStreamContext *sc; | ||
| 7517 | int use_subsamples, ret; | ||
| 7518 | 2 | unsigned int sample_count, i, alloc_size = 0; | |
| 7519 | |||
| 7520 | 2 | ret = get_current_encryption_info(c, &encryption_index, &sc); | |
| 7521 |
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|
2 | if (ret != 1) |
| 7522 | ✗ | return ret; | |
| 7523 | |||
| 7524 |
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|
2 | if (encryption_index->nb_encrypted_samples) { |
| 7525 | // This can happen if we have both saio/saiz and senc atoms. | ||
| 7526 | 1 | av_log(c->fc, AV_LOG_DEBUG, "Ignoring duplicate encryption info in senc\n"); | |
| 7527 | 1 | return 0; | |
| 7528 | } | ||
| 7529 | |||
| 7530 | 1 | avio_r8(pb); /* version */ | |
| 7531 | 1 | use_subsamples = avio_rb24(pb) & 0x02; /* flags */ | |
| 7532 | |||
| 7533 | 1 | sample_count = avio_rb32(pb); | |
| 7534 |
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|
1 | if (sample_count >= INT_MAX / sizeof(*encrypted_samples)) |
| 7535 | ✗ | return AVERROR(ENOMEM); | |
| 7536 | |||
| 7537 |
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|
49 | for (i = 0; i < sample_count; i++) { |
| 7538 | 48 | unsigned int min_samples = FFMIN(FFMAX(i + 1, 1024 * 1024), sample_count); | |
| 7539 | 48 | encrypted_samples = av_fast_realloc(encryption_index->encrypted_samples, &alloc_size, | |
| 7540 | min_samples * sizeof(*encrypted_samples)); | ||
| 7541 |
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|
48 | if (encrypted_samples) { |
| 7542 | 48 | encryption_index->encrypted_samples = encrypted_samples; | |
| 7543 | |||
| 7544 | 48 | ret = mov_read_sample_encryption_info( | |
| 7545 | 48 | c, pb, sc, &encryption_index->encrypted_samples[i], use_subsamples); | |
| 7546 | } else { | ||
| 7547 | ✗ | ret = AVERROR(ENOMEM); | |
| 7548 | } | ||
| 7549 |
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|
48 | if (pb->eof_reached) { |
| 7550 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Hit EOF while reading senc\n"); | |
| 7551 | ✗ | if (ret >= 0) | |
| 7552 | ✗ | av_encryption_info_free(encryption_index->encrypted_samples[i]); | |
| 7553 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 7554 | } | ||
| 7555 | |||
| 7556 |
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|
48 | if (ret < 0) { |
| 7557 | ✗ | for (; i > 0; i--) | |
| 7558 | ✗ | av_encryption_info_free(encryption_index->encrypted_samples[i - 1]); | |
| 7559 | ✗ | av_freep(&encryption_index->encrypted_samples); | |
| 7560 | ✗ | return ret; | |
| 7561 | } | ||
| 7562 | } | ||
| 7563 | 1 | encryption_index->nb_encrypted_samples = sample_count; | |
| 7564 | |||
| 7565 | 1 | return 0; | |
| 7566 | } | ||
| 7567 | |||
| 7568 | 1 | static int mov_parse_auxiliary_info(MOVContext *c, MOVStreamContext *sc, AVIOContext *pb, MOVEncryptionIndex *encryption_index) | |
| 7569 | { | ||
| 7570 | AVEncryptionInfo **sample, **encrypted_samples; | ||
| 7571 | int64_t prev_pos; | ||
| 7572 | size_t sample_count, sample_info_size, i; | ||
| 7573 | 1 | int ret = 0; | |
| 7574 | 1 | unsigned int alloc_size = 0; | |
| 7575 | |||
| 7576 |
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|
1 | if (encryption_index->nb_encrypted_samples) |
| 7577 | ✗ | return 0; | |
| 7578 | 1 | sample_count = encryption_index->auxiliary_info_sample_count; | |
| 7579 |
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|
1 | if (encryption_index->auxiliary_offsets_count != 1) { |
| 7580 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Multiple auxiliary info chunks are not supported\n"); | |
| 7581 | ✗ | return AVERROR_PATCHWELCOME; | |
| 7582 | } | ||
| 7583 |
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|
1 | if (sample_count >= INT_MAX / sizeof(*encrypted_samples)) |
| 7584 | ✗ | return AVERROR(ENOMEM); | |
| 7585 | |||
| 7586 | 1 | prev_pos = avio_tell(pb); | |
| 7587 |
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|
1 | if (!(pb->seekable & AVIO_SEEKABLE_NORMAL) || |
| 7588 |
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|
1 | avio_seek(pb, encryption_index->auxiliary_offsets[0], SEEK_SET) != encryption_index->auxiliary_offsets[0]) { |
| 7589 | ✗ | av_log(c->fc, AV_LOG_INFO, "Failed to seek for auxiliary info, will only parse senc atoms for encryption info\n"); | |
| 7590 | ✗ | goto finish; | |
| 7591 | } | ||
| 7592 | |||
| 7593 |
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|
25 | for (i = 0; i < sample_count && !pb->eof_reached; i++) { |
| 7594 | 24 | unsigned int min_samples = FFMIN(FFMAX(i + 1, 1024 * 1024), sample_count); | |
| 7595 | 24 | encrypted_samples = av_fast_realloc(encryption_index->encrypted_samples, &alloc_size, | |
| 7596 | min_samples * sizeof(*encrypted_samples)); | ||
| 7597 |
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|
24 | if (!encrypted_samples) { |
| 7598 | ✗ | ret = AVERROR(ENOMEM); | |
| 7599 | ✗ | goto finish; | |
| 7600 | } | ||
| 7601 | 24 | encryption_index->encrypted_samples = encrypted_samples; | |
| 7602 | |||
| 7603 | 24 | sample = &encryption_index->encrypted_samples[i]; | |
| 7604 | 48 | sample_info_size = encryption_index->auxiliary_info_default_size | |
| 7605 | 24 | ? encryption_index->auxiliary_info_default_size | |
| 7606 |
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|
24 | : encryption_index->auxiliary_info_sizes[i]; |
| 7607 | |||
| 7608 | 24 | ret = mov_read_sample_encryption_info(c, pb, sc, sample, sample_info_size > sc->cenc.per_sample_iv_size); | |
| 7609 |
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|
24 | if (ret < 0) |
| 7610 | ✗ | goto finish; | |
| 7611 | } | ||
| 7612 |
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|
1 | if (pb->eof_reached) { |
| 7613 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Hit EOF while reading auxiliary info\n"); | |
| 7614 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 7615 | } else { | ||
| 7616 | 1 | encryption_index->nb_encrypted_samples = sample_count; | |
| 7617 | } | ||
| 7618 | |||
| 7619 | 1 | finish: | |
| 7620 | 1 | avio_seek(pb, prev_pos, SEEK_SET); | |
| 7621 |
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|
1 | if (ret < 0) { |
| 7622 | ✗ | for (; i > 0; i--) { | |
| 7623 | ✗ | av_encryption_info_free(encryption_index->encrypted_samples[i - 1]); | |
| 7624 | } | ||
| 7625 | ✗ | av_freep(&encryption_index->encrypted_samples); | |
| 7626 | } | ||
| 7627 | 1 | return ret; | |
| 7628 | } | ||
| 7629 | |||
| 7630 | 2 | static int mov_read_saiz(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7631 | { | ||
| 7632 | MOVEncryptionIndex *encryption_index; | ||
| 7633 | MOVStreamContext *sc; | ||
| 7634 | int ret; | ||
| 7635 | unsigned int sample_count, aux_info_type, aux_info_param; | ||
| 7636 | |||
| 7637 | 2 | ret = get_current_encryption_info(c, &encryption_index, &sc); | |
| 7638 |
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|
2 | if (ret != 1) |
| 7639 | ✗ | return ret; | |
| 7640 | |||
| 7641 |
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|
2 | if (encryption_index->nb_encrypted_samples) { |
| 7642 | // This can happen if we have both saio/saiz and senc atoms. | ||
| 7643 | 1 | av_log(c->fc, AV_LOG_DEBUG, "Ignoring duplicate encryption info in saiz\n"); | |
| 7644 | 1 | return 0; | |
| 7645 | } | ||
| 7646 | |||
| 7647 |
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|
1 | if (encryption_index->auxiliary_info_sample_count) { |
| 7648 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Duplicate saiz atom\n"); | |
| 7649 | ✗ | return AVERROR_INVALIDDATA; | |
| 7650 | } | ||
| 7651 | |||
| 7652 | 1 | avio_r8(pb); /* version */ | |
| 7653 |
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|
1 | if (avio_rb24(pb) & 0x01) { /* flags */ |
| 7654 | ✗ | aux_info_type = avio_rb32(pb); | |
| 7655 | ✗ | aux_info_param = avio_rb32(pb); | |
| 7656 | ✗ | if (sc->cenc.default_encrypted_sample) { | |
| 7657 | ✗ | if (aux_info_type != sc->cenc.default_encrypted_sample->scheme) { | |
| 7658 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "Ignoring saiz box with non-zero aux_info_type\n"); | |
| 7659 | ✗ | return 0; | |
| 7660 | } | ||
| 7661 | ✗ | if (aux_info_param != 0) { | |
| 7662 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "Ignoring saiz box with non-zero aux_info_type_parameter\n"); | |
| 7663 | ✗ | return 0; | |
| 7664 | } | ||
| 7665 | } else { | ||
| 7666 | // Didn't see 'schm' or 'tenc', so this isn't encrypted. | ||
| 7667 | ✗ | if ((aux_info_type == MKBETAG('c','e','n','c') || | |
| 7668 | ✗ | aux_info_type == MKBETAG('c','e','n','s') || | |
| 7669 | ✗ | aux_info_type == MKBETAG('c','b','c','1') || | |
| 7670 | ✗ | aux_info_type == MKBETAG('c','b','c','s')) && | |
| 7671 | aux_info_param == 0) { | ||
| 7672 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Saw encrypted saiz without schm/tenc\n"); | |
| 7673 | ✗ | return AVERROR_INVALIDDATA; | |
| 7674 | } else { | ||
| 7675 | ✗ | return 0; | |
| 7676 | } | ||
| 7677 | } | ||
| 7678 |
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|
1 | } else if (!sc->cenc.default_encrypted_sample) { |
| 7679 | // Didn't see 'schm' or 'tenc', so this isn't encrypted. | ||
| 7680 | ✗ | return 0; | |
| 7681 | } | ||
| 7682 | |||
| 7683 | 1 | encryption_index->auxiliary_info_default_size = avio_r8(pb); | |
| 7684 | 1 | sample_count = avio_rb32(pb); | |
| 7685 | |||
| 7686 |
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|
1 | if (encryption_index->auxiliary_info_default_size == 0) { |
| 7687 | ✗ | if (sample_count == 0) | |
| 7688 | ✗ | return AVERROR_INVALIDDATA; | |
| 7689 | |||
| 7690 | ✗ | encryption_index->auxiliary_info_sizes = av_malloc(sample_count); | |
| 7691 | ✗ | if (!encryption_index->auxiliary_info_sizes) | |
| 7692 | ✗ | return AVERROR(ENOMEM); | |
| 7693 | |||
| 7694 | ✗ | ret = avio_read(pb, encryption_index->auxiliary_info_sizes, sample_count); | |
| 7695 | ✗ | if (ret != sample_count) { | |
| 7696 | ✗ | av_freep(&encryption_index->auxiliary_info_sizes); | |
| 7697 | |||
| 7698 | ✗ | if (ret >= 0) | |
| 7699 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 7700 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Failed to read the auxiliary info, %s\n", | |
| 7701 | ✗ | av_err2str(ret)); | |
| 7702 | ✗ | return ret; | |
| 7703 | } | ||
| 7704 | } | ||
| 7705 | 1 | encryption_index->auxiliary_info_sample_count = sample_count; | |
| 7706 | |||
| 7707 |
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|
1 | if (encryption_index->auxiliary_offsets_count) { |
| 7708 | ✗ | return mov_parse_auxiliary_info(c, sc, pb, encryption_index); | |
| 7709 | } | ||
| 7710 | |||
| 7711 | 1 | return 0; | |
| 7712 | } | ||
| 7713 | |||
| 7714 | 2 | static int mov_read_saio(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7715 | { | ||
| 7716 | uint64_t *auxiliary_offsets; | ||
| 7717 | MOVEncryptionIndex *encryption_index; | ||
| 7718 | MOVStreamContext *sc; | ||
| 7719 | int i, ret; | ||
| 7720 | unsigned int version, entry_count, aux_info_type, aux_info_param; | ||
| 7721 | 2 | unsigned int alloc_size = 0; | |
| 7722 | |||
| 7723 | 2 | ret = get_current_encryption_info(c, &encryption_index, &sc); | |
| 7724 |
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|
2 | if (ret != 1) |
| 7725 | ✗ | return ret; | |
| 7726 | |||
| 7727 |
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|
2 | if (encryption_index->nb_encrypted_samples) { |
| 7728 | // This can happen if we have both saio/saiz and senc atoms. | ||
| 7729 | 1 | av_log(c->fc, AV_LOG_DEBUG, "Ignoring duplicate encryption info in saio\n"); | |
| 7730 | 1 | return 0; | |
| 7731 | } | ||
| 7732 | |||
| 7733 |
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|
1 | if (encryption_index->auxiliary_offsets_count) { |
| 7734 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Duplicate saio atom\n"); | |
| 7735 | ✗ | return AVERROR_INVALIDDATA; | |
| 7736 | } | ||
| 7737 | |||
| 7738 | 1 | version = avio_r8(pb); /* version */ | |
| 7739 |
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|
1 | if (avio_rb24(pb) & 0x01) { /* flags */ |
| 7740 | ✗ | aux_info_type = avio_rb32(pb); | |
| 7741 | ✗ | aux_info_param = avio_rb32(pb); | |
| 7742 | ✗ | if (sc->cenc.default_encrypted_sample) { | |
| 7743 | ✗ | if (aux_info_type != sc->cenc.default_encrypted_sample->scheme) { | |
| 7744 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "Ignoring saio box with non-zero aux_info_type\n"); | |
| 7745 | ✗ | return 0; | |
| 7746 | } | ||
| 7747 | ✗ | if (aux_info_param != 0) { | |
| 7748 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "Ignoring saio box with non-zero aux_info_type_parameter\n"); | |
| 7749 | ✗ | return 0; | |
| 7750 | } | ||
| 7751 | } else { | ||
| 7752 | // Didn't see 'schm' or 'tenc', so this isn't encrypted. | ||
| 7753 | ✗ | if ((aux_info_type == MKBETAG('c','e','n','c') || | |
| 7754 | ✗ | aux_info_type == MKBETAG('c','e','n','s') || | |
| 7755 | ✗ | aux_info_type == MKBETAG('c','b','c','1') || | |
| 7756 | ✗ | aux_info_type == MKBETAG('c','b','c','s')) && | |
| 7757 | aux_info_param == 0) { | ||
| 7758 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Saw encrypted saio without schm/tenc\n"); | |
| 7759 | ✗ | return AVERROR_INVALIDDATA; | |
| 7760 | } else { | ||
| 7761 | ✗ | return 0; | |
| 7762 | } | ||
| 7763 | } | ||
| 7764 |
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|
1 | } else if (!sc->cenc.default_encrypted_sample) { |
| 7765 | // Didn't see 'schm' or 'tenc', so this isn't encrypted. | ||
| 7766 | ✗ | return 0; | |
| 7767 | } | ||
| 7768 | |||
| 7769 | 1 | entry_count = avio_rb32(pb); | |
| 7770 |
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|
1 | if (entry_count >= INT_MAX / sizeof(*auxiliary_offsets)) |
| 7771 | ✗ | return AVERROR(ENOMEM); | |
| 7772 | |||
| 7773 |
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|
2 | for (i = 0; i < entry_count && !pb->eof_reached; i++) { |
| 7774 |
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|
1 | unsigned int min_offsets = FFMIN(FFMAX(i + 1, 1024), entry_count); |
| 7775 | 1 | auxiliary_offsets = av_fast_realloc( | |
| 7776 | 1 | encryption_index->auxiliary_offsets, &alloc_size, | |
| 7777 | min_offsets * sizeof(*auxiliary_offsets)); | ||
| 7778 |
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|
1 | if (!auxiliary_offsets) { |
| 7779 | ✗ | av_freep(&encryption_index->auxiliary_offsets); | |
| 7780 | ✗ | return AVERROR(ENOMEM); | |
| 7781 | } | ||
| 7782 | 1 | encryption_index->auxiliary_offsets = auxiliary_offsets; | |
| 7783 | |||
| 7784 |
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|
1 | if (version == 0) { |
| 7785 | 1 | encryption_index->auxiliary_offsets[i] = avio_rb32(pb); | |
| 7786 | } else { | ||
| 7787 | ✗ | encryption_index->auxiliary_offsets[i] = avio_rb64(pb); | |
| 7788 | } | ||
| 7789 |
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|
1 | if (c->frag_index.current >= 0) { |
| 7790 | 1 | encryption_index->auxiliary_offsets[i] += c->fragment.base_data_offset; | |
| 7791 | } | ||
| 7792 | } | ||
| 7793 | |||
| 7794 |
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|
1 | if (pb->eof_reached) { |
| 7795 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Hit EOF while reading saio\n"); | |
| 7796 | ✗ | av_freep(&encryption_index->auxiliary_offsets); | |
| 7797 | ✗ | return AVERROR_INVALIDDATA; | |
| 7798 | } | ||
| 7799 | |||
| 7800 | 1 | encryption_index->auxiliary_offsets_count = entry_count; | |
| 7801 | |||
| 7802 |
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|
1 | if (encryption_index->auxiliary_info_sample_count) { |
| 7803 | 1 | return mov_parse_auxiliary_info(c, sc, pb, encryption_index); | |
| 7804 | } | ||
| 7805 | |||
| 7806 | ✗ | return 0; | |
| 7807 | } | ||
| 7808 | |||
| 7809 | 2 | static int mov_read_pssh(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7810 | { | ||
| 7811 | AVEncryptionInitInfo *info, *old_init_info; | ||
| 7812 | uint8_t **key_ids; | ||
| 7813 | AVStream *st; | ||
| 7814 | const AVPacketSideData *old_side_data; | ||
| 7815 | uint8_t *side_data, *extra_data; | ||
| 7816 | size_t side_data_size; | ||
| 7817 | 2 | int ret = 0; | |
| 7818 | 2 | unsigned int version, kid_count, extra_data_size, alloc_size = 0; | |
| 7819 | |||
| 7820 |
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|
2 | if (c->fc->nb_streams < 1) |
| 7821 | ✗ | return 0; | |
| 7822 | 2 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 7823 | |||
| 7824 | 2 | version = avio_r8(pb); /* version */ | |
| 7825 | 2 | avio_rb24(pb); /* flags */ | |
| 7826 | |||
| 7827 | 2 | info = av_encryption_init_info_alloc(/* system_id_size */ 16, /* num_key_ids */ 0, | |
| 7828 | /* key_id_size */ 16, /* data_size */ 0); | ||
| 7829 |
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|
2 | if (!info) |
| 7830 | ✗ | return AVERROR(ENOMEM); | |
| 7831 | |||
| 7832 |
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|
2 | if ((ret = ffio_read_size(pb, info->system_id, 16)) < 0) { |
| 7833 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Failed to read the system id\n"); | |
| 7834 | ✗ | goto finish; | |
| 7835 | } | ||
| 7836 | |||
| 7837 |
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|
2 | if (version > 0) { |
| 7838 | 2 | kid_count = avio_rb32(pb); | |
| 7839 |
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|
2 | if (kid_count >= INT_MAX / sizeof(*key_ids)) { |
| 7840 | ✗ | ret = AVERROR(ENOMEM); | |
| 7841 | ✗ | goto finish; | |
| 7842 | } | ||
| 7843 | |||
| 7844 |
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|
4 | for (unsigned int i = 0; i < kid_count && !pb->eof_reached; i++) { |
| 7845 | 2 | unsigned int min_kid_count = FFMIN(FFMAX(i + 1, 1024), kid_count); | |
| 7846 | 2 | key_ids = av_fast_realloc(info->key_ids, &alloc_size, | |
| 7847 | min_kid_count * sizeof(*key_ids)); | ||
| 7848 |
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|
2 | if (!key_ids) { |
| 7849 | ✗ | ret = AVERROR(ENOMEM); | |
| 7850 | ✗ | goto finish; | |
| 7851 | } | ||
| 7852 | 2 | info->key_ids = key_ids; | |
| 7853 | |||
| 7854 | 2 | info->key_ids[i] = av_mallocz(16); | |
| 7855 |
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|
2 | if (!info->key_ids[i]) { |
| 7856 | ✗ | ret = AVERROR(ENOMEM); | |
| 7857 | ✗ | goto finish; | |
| 7858 | } | ||
| 7859 | 2 | info->num_key_ids = i + 1; | |
| 7860 | |||
| 7861 |
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|
2 | if ((ret = ffio_read_size(pb, info->key_ids[i], 16)) < 0) { |
| 7862 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Failed to read the key id\n"); | |
| 7863 | ✗ | goto finish; | |
| 7864 | } | ||
| 7865 | } | ||
| 7866 | |||
| 7867 |
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|
2 | if (pb->eof_reached) { |
| 7868 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Hit EOF while reading pssh\n"); | |
| 7869 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 7870 | ✗ | goto finish; | |
| 7871 | } | ||
| 7872 | } | ||
| 7873 | |||
| 7874 | 2 | extra_data_size = avio_rb32(pb); | |
| 7875 | 2 | extra_data = av_malloc(extra_data_size); | |
| 7876 |
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|
2 | if (!extra_data) { |
| 7877 | ✗ | ret = AVERROR(ENOMEM); | |
| 7878 | ✗ | goto finish; | |
| 7879 | } | ||
| 7880 | 2 | ret = avio_read(pb, extra_data, extra_data_size); | |
| 7881 |
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|
2 | if (ret != extra_data_size) { |
| 7882 | ✗ | av_free(extra_data); | |
| 7883 | |||
| 7884 | ✗ | if (ret >= 0) | |
| 7885 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 7886 | ✗ | goto finish; | |
| 7887 | } | ||
| 7888 | |||
| 7889 | 2 | av_freep(&info->data); // malloc(0) may still allocate something. | |
| 7890 | 2 | info->data = extra_data; | |
| 7891 | 2 | info->data_size = extra_data_size; | |
| 7892 | |||
| 7893 | // If there is existing initialization data, append to the list. | ||
| 7894 | 2 | old_side_data = av_packet_side_data_get(st->codecpar->coded_side_data, st->codecpar->nb_coded_side_data, | |
| 7895 | AV_PKT_DATA_ENCRYPTION_INIT_INFO); | ||
| 7896 |
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|
2 | if (old_side_data) { |
| 7897 | ✗ | old_init_info = av_encryption_init_info_get_side_data(old_side_data->data, old_side_data->size); | |
| 7898 | ✗ | if (old_init_info) { | |
| 7899 | // Append to the end of the list. | ||
| 7900 | ✗ | for (AVEncryptionInitInfo *cur = old_init_info;; cur = cur->next) { | |
| 7901 | ✗ | if (!cur->next) { | |
| 7902 | ✗ | cur->next = info; | |
| 7903 | ✗ | break; | |
| 7904 | } | ||
| 7905 | } | ||
| 7906 | ✗ | info = old_init_info; | |
| 7907 | } else { | ||
| 7908 | // Assume existing side-data will be valid, so the only error we could get is OOM. | ||
| 7909 | ✗ | ret = AVERROR(ENOMEM); | |
| 7910 | ✗ | goto finish; | |
| 7911 | } | ||
| 7912 | } | ||
| 7913 | |||
| 7914 | 2 | side_data = av_encryption_init_info_add_side_data(info, &side_data_size); | |
| 7915 |
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|
2 | if (!side_data) { |
| 7916 | ✗ | ret = AVERROR(ENOMEM); | |
| 7917 | ✗ | goto finish; | |
| 7918 | } | ||
| 7919 |
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|
2 | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, |
| 7920 | 2 | &st->codecpar->nb_coded_side_data, | |
| 7921 | AV_PKT_DATA_ENCRYPTION_INIT_INFO, | ||
| 7922 | side_data, side_data_size, 0)) | ||
| 7923 | ✗ | av_free(side_data); | |
| 7924 | |||
| 7925 | 2 | finish: | |
| 7926 | 2 | av_encryption_init_info_free(info); | |
| 7927 | 2 | return ret; | |
| 7928 | } | ||
| 7929 | |||
| 7930 | 3 | static int mov_read_schm(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7931 | { | ||
| 7932 | AVStream *st; | ||
| 7933 | MOVStreamContext *sc; | ||
| 7934 | |||
| 7935 |
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|
3 | if (c->fc->nb_streams < 1) |
| 7936 | ✗ | return 0; | |
| 7937 | 3 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 7938 | 3 | sc = st->priv_data; | |
| 7939 | |||
| 7940 |
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|
3 | if (sc->pseudo_stream_id != 0) { |
| 7941 | ✗ | av_log(c->fc, AV_LOG_ERROR, "schm boxes are only supported in first sample descriptor\n"); | |
| 7942 | ✗ | return AVERROR_PATCHWELCOME; | |
| 7943 | } | ||
| 7944 | |||
| 7945 |
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|
3 | if (atom.size < 8) |
| 7946 | ✗ | return AVERROR_INVALIDDATA; | |
| 7947 | |||
| 7948 | 3 | avio_rb32(pb); /* version and flags */ | |
| 7949 | |||
| 7950 |
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|
3 | if (!sc->cenc.default_encrypted_sample) { |
| 7951 | 3 | sc->cenc.default_encrypted_sample = av_encryption_info_alloc(0, 16, 16); | |
| 7952 |
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|
3 | if (!sc->cenc.default_encrypted_sample) { |
| 7953 | ✗ | return AVERROR(ENOMEM); | |
| 7954 | } | ||
| 7955 | } | ||
| 7956 | |||
| 7957 | 3 | sc->cenc.default_encrypted_sample->scheme = avio_rb32(pb); | |
| 7958 | 3 | return 0; | |
| 7959 | } | ||
| 7960 | |||
| 7961 | 3 | static int mov_read_tenc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 7962 | { | ||
| 7963 | AVStream *st; | ||
| 7964 | MOVStreamContext *sc; | ||
| 7965 | unsigned int version, pattern, is_protected, iv_size; | ||
| 7966 | |||
| 7967 |
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|
3 | if (c->fc->nb_streams < 1) |
| 7968 | ✗ | return 0; | |
| 7969 | 3 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 7970 | 3 | sc = st->priv_data; | |
| 7971 | |||
| 7972 |
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|
3 | if (sc->pseudo_stream_id != 0) { |
| 7973 | ✗ | av_log(c->fc, AV_LOG_ERROR, "tenc atom are only supported in first sample descriptor\n"); | |
| 7974 | ✗ | return AVERROR_PATCHWELCOME; | |
| 7975 | } | ||
| 7976 | |||
| 7977 |
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|
3 | if (!sc->cenc.default_encrypted_sample) { |
| 7978 | ✗ | sc->cenc.default_encrypted_sample = av_encryption_info_alloc(0, 16, 16); | |
| 7979 | ✗ | if (!sc->cenc.default_encrypted_sample) { | |
| 7980 | ✗ | return AVERROR(ENOMEM); | |
| 7981 | } | ||
| 7982 | } | ||
| 7983 | |||
| 7984 |
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|
3 | if (atom.size < 20) |
| 7985 | ✗ | return AVERROR_INVALIDDATA; | |
| 7986 | |||
| 7987 | 3 | version = avio_r8(pb); /* version */ | |
| 7988 | 3 | avio_rb24(pb); /* flags */ | |
| 7989 | |||
| 7990 | 3 | avio_r8(pb); /* reserved */ | |
| 7991 | 3 | pattern = avio_r8(pb); | |
| 7992 | |||
| 7993 |
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|
3 | if (version > 0) { |
| 7994 | ✗ | sc->cenc.default_encrypted_sample->crypt_byte_block = pattern >> 4; | |
| 7995 | ✗ | sc->cenc.default_encrypted_sample->skip_byte_block = pattern & 0xf; | |
| 7996 | } | ||
| 7997 | |||
| 7998 | 3 | is_protected = avio_r8(pb); | |
| 7999 |
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|
3 | if (is_protected && !sc->cenc.encryption_index) { |
| 8000 | // The whole stream should be by-default encrypted. | ||
| 8001 | 3 | sc->cenc.encryption_index = av_mallocz(sizeof(MOVEncryptionIndex)); | |
| 8002 |
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|
3 | if (!sc->cenc.encryption_index) |
| 8003 | ✗ | return AVERROR(ENOMEM); | |
| 8004 | } | ||
| 8005 | 3 | sc->cenc.per_sample_iv_size = avio_r8(pb); | |
| 8006 |
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|
3 | if (sc->cenc.per_sample_iv_size != 0 && sc->cenc.per_sample_iv_size != 8 && |
| 8007 | ✗ | sc->cenc.per_sample_iv_size != 16) { | |
| 8008 | ✗ | av_log(c->fc, AV_LOG_ERROR, "invalid per-sample IV size value\n"); | |
| 8009 | ✗ | return AVERROR_INVALIDDATA; | |
| 8010 | } | ||
| 8011 |
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|
3 | if (avio_read(pb, sc->cenc.default_encrypted_sample->key_id, 16) != 16) { |
| 8012 | ✗ | av_log(c->fc, AV_LOG_ERROR, "failed to read the default key ID\n"); | |
| 8013 | ✗ | return AVERROR_INVALIDDATA; | |
| 8014 | } | ||
| 8015 | |||
| 8016 |
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|
3 | if (is_protected && !sc->cenc.per_sample_iv_size) { |
| 8017 | 1 | iv_size = avio_r8(pb); | |
| 8018 |
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|
1 | if (iv_size != 8 && iv_size != 16) { |
| 8019 | ✗ | av_log(c->fc, AV_LOG_ERROR, "invalid default_constant_IV_size in tenc atom\n"); | |
| 8020 | ✗ | return AVERROR_INVALIDDATA; | |
| 8021 | } | ||
| 8022 | |||
| 8023 |
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|
1 | if (avio_read(pb, sc->cenc.default_encrypted_sample->iv, iv_size) != iv_size) { |
| 8024 | ✗ | av_log(c->fc, AV_LOG_ERROR, "failed to read the default IV\n"); | |
| 8025 | ✗ | return AVERROR_INVALIDDATA; | |
| 8026 | } | ||
| 8027 | } | ||
| 8028 | |||
| 8029 | 3 | return 0; | |
| 8030 | } | ||
| 8031 | |||
| 8032 | ✗ | static int mov_read_dfla(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8033 | { | ||
| 8034 | AVStream *st; | ||
| 8035 | int last, type, size, ret; | ||
| 8036 | uint8_t buf[4]; | ||
| 8037 | |||
| 8038 | ✗ | if (c->fc->nb_streams < 1) | |
| 8039 | ✗ | return 0; | |
| 8040 | ✗ | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 8041 | |||
| 8042 | ✗ | if ((uint64_t)atom.size > (1<<30) || atom.size < 42) | |
| 8043 | ✗ | return AVERROR_INVALIDDATA; | |
| 8044 | |||
| 8045 | /* Check FlacSpecificBox version. */ | ||
| 8046 | ✗ | if (avio_r8(pb) != 0) | |
| 8047 | ✗ | return AVERROR_INVALIDDATA; | |
| 8048 | |||
| 8049 | ✗ | avio_rb24(pb); /* Flags */ | |
| 8050 | |||
| 8051 | ✗ | if (avio_read(pb, buf, sizeof(buf)) != sizeof(buf)) { | |
| 8052 | ✗ | av_log(c->fc, AV_LOG_ERROR, "failed to read FLAC metadata block header\n"); | |
| 8053 | ✗ | return pb->error < 0 ? pb->error : AVERROR_INVALIDDATA; | |
| 8054 | } | ||
| 8055 | ✗ | flac_parse_block_header(buf, &last, &type, &size); | |
| 8056 | |||
| 8057 | ✗ | if (type != FLAC_METADATA_TYPE_STREAMINFO || size != FLAC_STREAMINFO_SIZE) { | |
| 8058 | ✗ | av_log(c->fc, AV_LOG_ERROR, "STREAMINFO must be first FLACMetadataBlock\n"); | |
| 8059 | ✗ | return AVERROR_INVALIDDATA; | |
| 8060 | } | ||
| 8061 | |||
| 8062 | ✗ | ret = ff_get_extradata(c->fc, st->codecpar, pb, size); | |
| 8063 | ✗ | if (ret < 0) | |
| 8064 | ✗ | return ret; | |
| 8065 | |||
| 8066 | ✗ | if (!last) | |
| 8067 | ✗ | av_log(c->fc, AV_LOG_WARNING, "non-STREAMINFO FLACMetadataBlock(s) ignored\n"); | |
| 8068 | |||
| 8069 | ✗ | return 0; | |
| 8070 | } | ||
| 8071 | |||
| 8072 | 146 | static int cenc_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size) | |
| 8073 | { | ||
| 8074 | int i, ret; | ||
| 8075 | int bytes_of_protected_data; | ||
| 8076 | |||
| 8077 |
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|
146 | if (!sc->cenc.aes_ctr) { |
| 8078 | /* initialize the cipher */ | ||
| 8079 | 3 | sc->cenc.aes_ctr = av_aes_ctr_alloc(); | |
| 8080 |
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|
3 | if (!sc->cenc.aes_ctr) { |
| 8081 | ✗ | return AVERROR(ENOMEM); | |
| 8082 | } | ||
| 8083 | |||
| 8084 | 3 | ret = av_aes_ctr_init(sc->cenc.aes_ctr, c->decryption_key); | |
| 8085 |
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|
3 | if (ret < 0) { |
| 8086 | ✗ | return ret; | |
| 8087 | } | ||
| 8088 | } | ||
| 8089 | |||
| 8090 | 146 | av_aes_ctr_set_full_iv(sc->cenc.aes_ctr, sample->iv); | |
| 8091 | |||
| 8092 |
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|
146 | if (!sample->subsample_count) { |
| 8093 | /* decrypt the whole packet */ | ||
| 8094 | 48 | av_aes_ctr_crypt(sc->cenc.aes_ctr, input, input, size); | |
| 8095 | 48 | return 0; | |
| 8096 | } | ||
| 8097 | |||
| 8098 |
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|
196 | for (i = 0; i < sample->subsample_count; i++) { |
| 8099 |
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|
98 | if (sample->subsamples[i].bytes_of_clear_data + sample->subsamples[i].bytes_of_protected_data > size) { |
| 8100 | ✗ | av_log(c->fc, AV_LOG_ERROR, "subsample size exceeds the packet size left\n"); | |
| 8101 | ✗ | return AVERROR_INVALIDDATA; | |
| 8102 | } | ||
| 8103 | |||
| 8104 | /* skip the clear bytes */ | ||
| 8105 | 98 | input += sample->subsamples[i].bytes_of_clear_data; | |
| 8106 | 98 | size -= sample->subsamples[i].bytes_of_clear_data; | |
| 8107 | |||
| 8108 | /* decrypt the encrypted bytes */ | ||
| 8109 | |||
| 8110 | 98 | bytes_of_protected_data = sample->subsamples[i].bytes_of_protected_data; | |
| 8111 | 98 | av_aes_ctr_crypt(sc->cenc.aes_ctr, input, input, bytes_of_protected_data); | |
| 8112 | |||
| 8113 | 98 | input += bytes_of_protected_data; | |
| 8114 | 98 | size -= bytes_of_protected_data; | |
| 8115 | } | ||
| 8116 | |||
| 8117 |
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|
98 | if (size > 0) { |
| 8118 | ✗ | av_log(c->fc, AV_LOG_ERROR, "leftover packet bytes after subsample processing\n"); | |
| 8119 | ✗ | return AVERROR_INVALIDDATA; | |
| 8120 | } | ||
| 8121 | |||
| 8122 | 98 | return 0; | |
| 8123 | } | ||
| 8124 | |||
| 8125 | ✗ | static int cbc1_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size) | |
| 8126 | { | ||
| 8127 | int i, ret; | ||
| 8128 | int num_of_encrypted_blocks; | ||
| 8129 | uint8_t iv[16]; | ||
| 8130 | |||
| 8131 | ✗ | if (!sc->cenc.aes_ctx) { | |
| 8132 | /* initialize the cipher */ | ||
| 8133 | ✗ | sc->cenc.aes_ctx = av_aes_alloc(); | |
| 8134 | ✗ | if (!sc->cenc.aes_ctx) { | |
| 8135 | ✗ | return AVERROR(ENOMEM); | |
| 8136 | } | ||
| 8137 | |||
| 8138 | ✗ | ret = av_aes_init(sc->cenc.aes_ctx, c->decryption_key, 16 * 8, 1); | |
| 8139 | ✗ | if (ret < 0) { | |
| 8140 | ✗ | return ret; | |
| 8141 | } | ||
| 8142 | } | ||
| 8143 | |||
| 8144 | ✗ | memcpy(iv, sample->iv, 16); | |
| 8145 | |||
| 8146 | /* whole-block full sample encryption */ | ||
| 8147 | ✗ | if (!sample->subsample_count) { | |
| 8148 | /* decrypt the whole packet */ | ||
| 8149 | ✗ | av_aes_crypt(sc->cenc.aes_ctx, input, input, size/16, iv, 1); | |
| 8150 | ✗ | return 0; | |
| 8151 | } | ||
| 8152 | |||
| 8153 | ✗ | for (i = 0; i < sample->subsample_count; i++) { | |
| 8154 | ✗ | if (sample->subsamples[i].bytes_of_clear_data + sample->subsamples[i].bytes_of_protected_data > size) { | |
| 8155 | ✗ | av_log(c->fc, AV_LOG_ERROR, "subsample size exceeds the packet size left\n"); | |
| 8156 | ✗ | return AVERROR_INVALIDDATA; | |
| 8157 | } | ||
| 8158 | |||
| 8159 | ✗ | if (sample->subsamples[i].bytes_of_protected_data % 16) { | |
| 8160 | ✗ | av_log(c->fc, AV_LOG_ERROR, "subsample BytesOfProtectedData is not a multiple of 16\n"); | |
| 8161 | ✗ | return AVERROR_INVALIDDATA; | |
| 8162 | } | ||
| 8163 | |||
| 8164 | /* skip the clear bytes */ | ||
| 8165 | ✗ | input += sample->subsamples[i].bytes_of_clear_data; | |
| 8166 | ✗ | size -= sample->subsamples[i].bytes_of_clear_data; | |
| 8167 | |||
| 8168 | /* decrypt the encrypted bytes */ | ||
| 8169 | ✗ | num_of_encrypted_blocks = sample->subsamples[i].bytes_of_protected_data/16; | |
| 8170 | ✗ | if (num_of_encrypted_blocks > 0) { | |
| 8171 | ✗ | av_aes_crypt(sc->cenc.aes_ctx, input, input, num_of_encrypted_blocks, iv, 1); | |
| 8172 | } | ||
| 8173 | ✗ | input += sample->subsamples[i].bytes_of_protected_data; | |
| 8174 | ✗ | size -= sample->subsamples[i].bytes_of_protected_data; | |
| 8175 | } | ||
| 8176 | |||
| 8177 | ✗ | if (size > 0) { | |
| 8178 | ✗ | av_log(c->fc, AV_LOG_ERROR, "leftover packet bytes after subsample processing\n"); | |
| 8179 | ✗ | return AVERROR_INVALIDDATA; | |
| 8180 | } | ||
| 8181 | |||
| 8182 | ✗ | return 0; | |
| 8183 | } | ||
| 8184 | |||
| 8185 | ✗ | static int cens_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size) | |
| 8186 | { | ||
| 8187 | int i, ret, rem_bytes; | ||
| 8188 | uint8_t *data; | ||
| 8189 | |||
| 8190 | ✗ | if (!sc->cenc.aes_ctr) { | |
| 8191 | /* initialize the cipher */ | ||
| 8192 | ✗ | sc->cenc.aes_ctr = av_aes_ctr_alloc(); | |
| 8193 | ✗ | if (!sc->cenc.aes_ctr) { | |
| 8194 | ✗ | return AVERROR(ENOMEM); | |
| 8195 | } | ||
| 8196 | |||
| 8197 | ✗ | ret = av_aes_ctr_init(sc->cenc.aes_ctr, c->decryption_key); | |
| 8198 | ✗ | if (ret < 0) { | |
| 8199 | ✗ | return ret; | |
| 8200 | } | ||
| 8201 | } | ||
| 8202 | |||
| 8203 | ✗ | av_aes_ctr_set_full_iv(sc->cenc.aes_ctr, sample->iv); | |
| 8204 | |||
| 8205 | /* whole-block full sample encryption */ | ||
| 8206 | ✗ | if (!sample->subsample_count) { | |
| 8207 | /* decrypt the whole packet */ | ||
| 8208 | ✗ | av_aes_ctr_crypt(sc->cenc.aes_ctr, input, input, size); | |
| 8209 | ✗ | return 0; | |
| 8210 | ✗ | } else if (!sample->crypt_byte_block && !sample->skip_byte_block) { | |
| 8211 | ✗ | av_log(c->fc, AV_LOG_ERROR, "pattern encryption is not present in 'cens' scheme\n"); | |
| 8212 | ✗ | return AVERROR_INVALIDDATA; | |
| 8213 | } | ||
| 8214 | |||
| 8215 | ✗ | for (i = 0; i < sample->subsample_count; i++) { | |
| 8216 | ✗ | if (sample->subsamples[i].bytes_of_clear_data + sample->subsamples[i].bytes_of_protected_data > size) { | |
| 8217 | ✗ | av_log(c->fc, AV_LOG_ERROR, "subsample size exceeds the packet size left\n"); | |
| 8218 | ✗ | return AVERROR_INVALIDDATA; | |
| 8219 | } | ||
| 8220 | |||
| 8221 | /* skip the clear bytes */ | ||
| 8222 | ✗ | input += sample->subsamples[i].bytes_of_clear_data; | |
| 8223 | ✗ | size -= sample->subsamples[i].bytes_of_clear_data; | |
| 8224 | |||
| 8225 | /* decrypt the encrypted bytes */ | ||
| 8226 | ✗ | data = input; | |
| 8227 | ✗ | rem_bytes = sample->subsamples[i].bytes_of_protected_data; | |
| 8228 | ✗ | while (rem_bytes > 0) { | |
| 8229 | ✗ | if (rem_bytes < 16*sample->crypt_byte_block) { | |
| 8230 | ✗ | break; | |
| 8231 | } | ||
| 8232 | ✗ | av_aes_ctr_crypt(sc->cenc.aes_ctr, data, data, 16*sample->crypt_byte_block); | |
| 8233 | ✗ | data += 16*sample->crypt_byte_block; | |
| 8234 | ✗ | rem_bytes -= 16*sample->crypt_byte_block; | |
| 8235 | ✗ | data += FFMIN(16*sample->skip_byte_block, rem_bytes); | |
| 8236 | ✗ | rem_bytes -= FFMIN(16*sample->skip_byte_block, rem_bytes); | |
| 8237 | } | ||
| 8238 | ✗ | input += sample->subsamples[i].bytes_of_protected_data; | |
| 8239 | ✗ | size -= sample->subsamples[i].bytes_of_protected_data; | |
| 8240 | } | ||
| 8241 | |||
| 8242 | ✗ | if (size > 0) { | |
| 8243 | ✗ | av_log(c->fc, AV_LOG_ERROR, "leftover packet bytes after subsample processing\n"); | |
| 8244 | ✗ | return AVERROR_INVALIDDATA; | |
| 8245 | } | ||
| 8246 | |||
| 8247 | ✗ | return 0; | |
| 8248 | } | ||
| 8249 | |||
| 8250 | ✗ | static int cbcs_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size) | |
| 8251 | { | ||
| 8252 | int i, ret, rem_bytes; | ||
| 8253 | uint8_t iv[16]; | ||
| 8254 | uint8_t *data; | ||
| 8255 | |||
| 8256 | ✗ | if (!sc->cenc.aes_ctx) { | |
| 8257 | /* initialize the cipher */ | ||
| 8258 | ✗ | sc->cenc.aes_ctx = av_aes_alloc(); | |
| 8259 | ✗ | if (!sc->cenc.aes_ctx) { | |
| 8260 | ✗ | return AVERROR(ENOMEM); | |
| 8261 | } | ||
| 8262 | |||
| 8263 | ✗ | ret = av_aes_init(sc->cenc.aes_ctx, c->decryption_key, 16 * 8, 1); | |
| 8264 | ✗ | if (ret < 0) { | |
| 8265 | ✗ | return ret; | |
| 8266 | } | ||
| 8267 | } | ||
| 8268 | |||
| 8269 | /* whole-block full sample encryption */ | ||
| 8270 | ✗ | if (!sample->subsample_count) { | |
| 8271 | /* decrypt the whole packet */ | ||
| 8272 | ✗ | memcpy(iv, sample->iv, 16); | |
| 8273 | ✗ | av_aes_crypt(sc->cenc.aes_ctx, input, input, size/16, iv, 1); | |
| 8274 | ✗ | return 0; | |
| 8275 | ✗ | } else if (!sample->crypt_byte_block && !sample->skip_byte_block) { | |
| 8276 | ✗ | av_log(c->fc, AV_LOG_ERROR, "pattern encryption is not present in 'cbcs' scheme\n"); | |
| 8277 | ✗ | return AVERROR_INVALIDDATA; | |
| 8278 | } | ||
| 8279 | |||
| 8280 | ✗ | for (i = 0; i < sample->subsample_count; i++) { | |
| 8281 | ✗ | if (sample->subsamples[i].bytes_of_clear_data + sample->subsamples[i].bytes_of_protected_data > size) { | |
| 8282 | ✗ | av_log(c->fc, AV_LOG_ERROR, "subsample size exceeds the packet size left\n"); | |
| 8283 | ✗ | return AVERROR_INVALIDDATA; | |
| 8284 | } | ||
| 8285 | |||
| 8286 | /* skip the clear bytes */ | ||
| 8287 | ✗ | input += sample->subsamples[i].bytes_of_clear_data; | |
| 8288 | ✗ | size -= sample->subsamples[i].bytes_of_clear_data; | |
| 8289 | |||
| 8290 | /* decrypt the encrypted bytes */ | ||
| 8291 | ✗ | memcpy(iv, sample->iv, 16); | |
| 8292 | ✗ | data = input; | |
| 8293 | ✗ | rem_bytes = sample->subsamples[i].bytes_of_protected_data; | |
| 8294 | ✗ | while (rem_bytes > 0) { | |
| 8295 | ✗ | if (rem_bytes < 16*sample->crypt_byte_block) { | |
| 8296 | ✗ | break; | |
| 8297 | } | ||
| 8298 | ✗ | av_aes_crypt(sc->cenc.aes_ctx, data, data, sample->crypt_byte_block, iv, 1); | |
| 8299 | ✗ | data += 16*sample->crypt_byte_block; | |
| 8300 | ✗ | rem_bytes -= 16*sample->crypt_byte_block; | |
| 8301 | ✗ | data += FFMIN(16*sample->skip_byte_block, rem_bytes); | |
| 8302 | ✗ | rem_bytes -= FFMIN(16*sample->skip_byte_block, rem_bytes); | |
| 8303 | } | ||
| 8304 | ✗ | input += sample->subsamples[i].bytes_of_protected_data; | |
| 8305 | ✗ | size -= sample->subsamples[i].bytes_of_protected_data; | |
| 8306 | } | ||
| 8307 | |||
| 8308 | ✗ | if (size > 0) { | |
| 8309 | ✗ | av_log(c->fc, AV_LOG_ERROR, "leftover packet bytes after subsample processing\n"); | |
| 8310 | ✗ | return AVERROR_INVALIDDATA; | |
| 8311 | } | ||
| 8312 | |||
| 8313 | ✗ | return 0; | |
| 8314 | } | ||
| 8315 | |||
| 8316 | 146 | static int cenc_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size) | |
| 8317 | { | ||
| 8318 |
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|
146 | if (sample->scheme == MKBETAG('c','e','n','c') && !sample->crypt_byte_block && !sample->skip_byte_block) { |
| 8319 | 146 | return cenc_scheme_decrypt(c, sc, sample, input, size); | |
| 8320 | ✗ | } else if (sample->scheme == MKBETAG('c','b','c','1') && !sample->crypt_byte_block && !sample->skip_byte_block) { | |
| 8321 | ✗ | return cbc1_scheme_decrypt(c, sc, sample, input, size); | |
| 8322 | ✗ | } else if (sample->scheme == MKBETAG('c','e','n','s')) { | |
| 8323 | ✗ | return cens_scheme_decrypt(c, sc, sample, input, size); | |
| 8324 | ✗ | } else if (sample->scheme == MKBETAG('c','b','c','s')) { | |
| 8325 | ✗ | return cbcs_scheme_decrypt(c, sc, sample, input, size); | |
| 8326 | } else { | ||
| 8327 | ✗ | av_log(c->fc, AV_LOG_ERROR, "invalid encryption scheme\n"); | |
| 8328 | ✗ | return AVERROR_INVALIDDATA; | |
| 8329 | } | ||
| 8330 | } | ||
| 8331 | |||
| 8332 | 96761 | static MOVFragmentStreamInfo *get_frag_stream_info_from_pkt(MOVFragmentIndex *frag_index, AVPacket *pkt, int id) | |
| 8333 | { | ||
| 8334 | 96761 | int current = frag_index->current; | |
| 8335 | |||
| 8336 |
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|
96761 | if (!frag_index->nb_items) |
| 8337 | 95920 | return NULL; | |
| 8338 | |||
| 8339 | // Check frag_index->current is the right one for pkt. It can out of sync. | ||
| 8340 |
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|
841 | if (current >= 0 && current < frag_index->nb_items) { |
| 8341 |
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|
841 | if (frag_index->item[current].moof_offset < pkt->pos && |
| 8342 |
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|
815 | (current + 1 == frag_index->nb_items || |
| 8343 |
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|
545 | frag_index->item[current + 1].moof_offset > pkt->pos)) |
| 8344 | 740 | return get_frag_stream_info(frag_index, current, id); | |
| 8345 | } | ||
| 8346 | |||
| 8347 | |||
| 8348 |
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|
4561 | for (int i = 0; i < frag_index->nb_items; i++) { |
| 8349 |
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|
4553 | if (frag_index->item[i].moof_offset > pkt->pos) |
| 8350 | 93 | break; | |
| 8351 | 4460 | current = i; | |
| 8352 | } | ||
| 8353 | 101 | frag_index->current = current; | |
| 8354 | 101 | return get_frag_stream_info(frag_index, current, id); | |
| 8355 | } | ||
| 8356 | |||
| 8357 | 96761 | static int cenc_filter(MOVContext *mov, AVStream* st, MOVStreamContext *sc, AVPacket *pkt, int current_index) | |
| 8358 | { | ||
| 8359 | MOVFragmentStreamInfo *frag_stream_info; | ||
| 8360 | MOVEncryptionIndex *encryption_index; | ||
| 8361 | AVEncryptionInfo *encrypted_sample; | ||
| 8362 | int encrypted_index, ret; | ||
| 8363 | |||
| 8364 | 96761 | frag_stream_info = get_frag_stream_info_from_pkt(&mov->frag_index, pkt, sc->id); | |
| 8365 | 96761 | encrypted_index = current_index; | |
| 8366 | 96761 | encryption_index = NULL; | |
| 8367 |
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|
96761 | if (frag_stream_info) { |
| 8368 | // Note this only supports encryption info in the first sample descriptor. | ||
| 8369 |
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|
841 | if (frag_stream_info->stsd_id == 1) { |
| 8370 |
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|
817 | if (frag_stream_info->encryption_index) { |
| 8371 | 24 | encrypted_index = current_index - frag_stream_info->index_base; | |
| 8372 | 24 | encryption_index = frag_stream_info->encryption_index; | |
| 8373 | } else { | ||
| 8374 | 793 | encryption_index = sc->cenc.encryption_index; | |
| 8375 | } | ||
| 8376 | } | ||
| 8377 | } else { | ||
| 8378 | 95920 | encryption_index = sc->cenc.encryption_index; | |
| 8379 | } | ||
| 8380 | |||
| 8381 |
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|
96761 | if (encryption_index) { |
| 8382 |
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|
146 | if (encryption_index->auxiliary_info_sample_count && |
| 8383 |
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|
24 | !encryption_index->nb_encrypted_samples) { |
| 8384 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "saiz atom found without saio\n"); | |
| 8385 | ✗ | return AVERROR_INVALIDDATA; | |
| 8386 | } | ||
| 8387 |
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|
146 | if (encryption_index->auxiliary_offsets_count && |
| 8388 |
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|
24 | !encryption_index->nb_encrypted_samples) { |
| 8389 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "saio atom found without saiz\n"); | |
| 8390 | ✗ | return AVERROR_INVALIDDATA; | |
| 8391 | } | ||
| 8392 | |||
| 8393 | 146 | encrypted_sample = NULL; | |
| 8394 |
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|
146 | if (!encryption_index->nb_encrypted_samples) { |
| 8395 | // Full-sample encryption with default settings. | ||
| 8396 | 48 | encrypted_sample = sc->cenc.default_encrypted_sample; | |
| 8397 |
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|
98 | } else if (encrypted_index >= 0 && encrypted_index < encryption_index->nb_encrypted_samples) { |
| 8398 | // Per-sample setting override. | ||
| 8399 | 98 | encrypted_sample = encryption_index->encrypted_samples[encrypted_index]; | |
| 8400 |
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|
98 | if (!encrypted_sample) { |
| 8401 | ✗ | encrypted_sample = sc->cenc.default_encrypted_sample; | |
| 8402 | } | ||
| 8403 | } | ||
| 8404 | |||
| 8405 |
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|
146 | if (!encrypted_sample) { |
| 8406 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Incorrect number of samples in encryption info\n"); | |
| 8407 | ✗ | return AVERROR_INVALIDDATA; | |
| 8408 | } | ||
| 8409 | |||
| 8410 |
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|
146 | if (mov->decryption_key) { |
| 8411 | 146 | return cenc_decrypt(mov, sc, encrypted_sample, pkt->data, pkt->size); | |
| 8412 | } else { | ||
| 8413 | size_t size; | ||
| 8414 | ✗ | uint8_t *side_data = av_encryption_info_add_side_data(encrypted_sample, &size); | |
| 8415 | ✗ | if (!side_data) | |
| 8416 | ✗ | return AVERROR(ENOMEM); | |
| 8417 | ✗ | ret = av_packet_add_side_data(pkt, AV_PKT_DATA_ENCRYPTION_INFO, side_data, size); | |
| 8418 | ✗ | if (ret < 0) | |
| 8419 | ✗ | av_free(side_data); | |
| 8420 | ✗ | return ret; | |
| 8421 | } | ||
| 8422 | } | ||
| 8423 | |||
| 8424 | 96615 | return 0; | |
| 8425 | } | ||
| 8426 | |||
| 8427 | ✗ | static int mov_read_dops(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8428 | { | ||
| 8429 | ✗ | const int OPUS_SEEK_PREROLL_MS = 80; | |
| 8430 | int ret; | ||
| 8431 | AVStream *st; | ||
| 8432 | size_t size; | ||
| 8433 | uint16_t pre_skip; | ||
| 8434 | |||
| 8435 | ✗ | if (c->fc->nb_streams < 1) | |
| 8436 | ✗ | return 0; | |
| 8437 | ✗ | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 8438 | |||
| 8439 | ✗ | if ((uint64_t)atom.size > (1<<30) || atom.size < 11) | |
| 8440 | ✗ | return AVERROR_INVALIDDATA; | |
| 8441 | |||
| 8442 | /* Check OpusSpecificBox version. */ | ||
| 8443 | ✗ | if (avio_r8(pb) != 0) { | |
| 8444 | ✗ | av_log(c->fc, AV_LOG_ERROR, "unsupported OpusSpecificBox version\n"); | |
| 8445 | ✗ | return AVERROR_INVALIDDATA; | |
| 8446 | } | ||
| 8447 | |||
| 8448 | /* OpusSpecificBox size plus magic for Ogg OpusHead header. */ | ||
| 8449 | ✗ | size = atom.size + 8; | |
| 8450 | |||
| 8451 | ✗ | if ((ret = ff_alloc_extradata(st->codecpar, size)) < 0) | |
| 8452 | ✗ | return ret; | |
| 8453 | |||
| 8454 | ✗ | AV_WL32A(st->codecpar->extradata, MKTAG('O','p','u','s')); | |
| 8455 | ✗ | AV_WL32A(st->codecpar->extradata + 4, MKTAG('H','e','a','d')); | |
| 8456 | ✗ | AV_WB8(st->codecpar->extradata + 8, 1); /* OpusHead version */ | |
| 8457 | ✗ | avio_read(pb, st->codecpar->extradata + 9, size - 9); | |
| 8458 | |||
| 8459 | /* OpusSpecificBox is stored in big-endian, but OpusHead is | ||
| 8460 | little-endian; aside from the preceding magic and version they're | ||
| 8461 | otherwise currently identical. Data after output gain at offset 16 | ||
| 8462 | doesn't need to be bytewapped. */ | ||
| 8463 | ✗ | pre_skip = AV_RB16A(st->codecpar->extradata + 10); | |
| 8464 | ✗ | AV_WL16A(st->codecpar->extradata + 10, pre_skip); | |
| 8465 | ✗ | AV_WL32A(st->codecpar->extradata + 12, AV_RB32A(st->codecpar->extradata + 12)); | |
| 8466 | ✗ | AV_WL16A(st->codecpar->extradata + 16, AV_RB16A(st->codecpar->extradata + 16)); | |
| 8467 | |||
| 8468 | ✗ | st->codecpar->initial_padding = pre_skip; | |
| 8469 | ✗ | st->codecpar->seek_preroll = av_rescale_q(OPUS_SEEK_PREROLL_MS, | |
| 8470 | ✗ | (AVRational){1, 1000}, | |
| 8471 | ✗ | (AVRational){1, 48000}); | |
| 8472 | |||
| 8473 | ✗ | return 0; | |
| 8474 | } | ||
| 8475 | |||
| 8476 | ✗ | static int mov_read_dmlp(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8477 | { | ||
| 8478 | AVStream *st; | ||
| 8479 | unsigned format_info; | ||
| 8480 | int channel_assignment, channel_assignment1, channel_assignment2; | ||
| 8481 | int ratebits; | ||
| 8482 | uint64_t chmask; | ||
| 8483 | |||
| 8484 | ✗ | if (c->fc->nb_streams < 1) | |
| 8485 | ✗ | return 0; | |
| 8486 | ✗ | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 8487 | |||
| 8488 | ✗ | if (atom.size < 10) | |
| 8489 | ✗ | return AVERROR_INVALIDDATA; | |
| 8490 | |||
| 8491 | ✗ | format_info = avio_rb32(pb); | |
| 8492 | |||
| 8493 | ✗ | ratebits = (format_info >> 28) & 0xF; | |
| 8494 | ✗ | channel_assignment1 = (format_info >> 15) & 0x1F; | |
| 8495 | ✗ | channel_assignment2 = format_info & 0x1FFF; | |
| 8496 | ✗ | if (channel_assignment2) | |
| 8497 | ✗ | channel_assignment = channel_assignment2; | |
| 8498 | else | ||
| 8499 | ✗ | channel_assignment = channel_assignment1; | |
| 8500 | |||
| 8501 | ✗ | st->codecpar->frame_size = 40 << (ratebits & 0x7); | |
| 8502 | ✗ | st->codecpar->sample_rate = mlp_samplerate(ratebits); | |
| 8503 | |||
| 8504 | ✗ | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 8505 | ✗ | chmask = truehd_layout(channel_assignment); | |
| 8506 | ✗ | av_channel_layout_from_mask(&st->codecpar->ch_layout, chmask); | |
| 8507 | |||
| 8508 | ✗ | return 0; | |
| 8509 | } | ||
| 8510 | |||
| 8511 | 4 | static int mov_read_dvcc_dvvc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8512 | { | ||
| 8513 | AVStream *st; | ||
| 8514 | uint8_t buf[ISOM_DVCC_DVVC_SIZE]; | ||
| 8515 | int ret; | ||
| 8516 | 4 | int64_t read_size = atom.size; | |
| 8517 | |||
| 8518 |
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|
4 | if (c->fc->nb_streams < 1) |
| 8519 | ✗ | return 0; | |
| 8520 | 4 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 8521 | |||
| 8522 | // At most 24 bytes | ||
| 8523 | 4 | read_size = FFMIN(read_size, ISOM_DVCC_DVVC_SIZE); | |
| 8524 | |||
| 8525 |
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|
4 | if ((ret = ffio_read_size(pb, buf, read_size)) < 0) |
| 8526 | ✗ | return ret; | |
| 8527 | |||
| 8528 | 4 | return ff_isom_parse_dvcc_dvvc(c->fc, st, buf, read_size); | |
| 8529 | } | ||
| 8530 | |||
| 8531 | 3 | static int mov_read_lhvc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8532 | { | ||
| 8533 | AVStream *st; | ||
| 8534 | uint8_t *buf; | ||
| 8535 | int ret, old_size, num_arrays; | ||
| 8536 | |||
| 8537 |
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|
3 | if (c->fc->nb_streams < 1) |
| 8538 | ✗ | return 0; | |
| 8539 | 3 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 8540 | |||
| 8541 |
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|
3 | if (!st->codecpar->extradata_size) |
| 8542 | // TODO: handle lhvC when present before hvcC | ||
| 8543 | ✗ | return 0; | |
| 8544 | |||
| 8545 |
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|
3 | if (atom.size < 6 || st->codecpar->extradata_size < 23) |
| 8546 | ✗ | return AVERROR_INVALIDDATA; | |
| 8547 | |||
| 8548 | 3 | buf = av_malloc(atom.size + AV_INPUT_BUFFER_PADDING_SIZE); | |
| 8549 |
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|
3 | if (!buf) |
| 8550 | ✗ | return AVERROR(ENOMEM); | |
| 8551 | 3 | memset(buf + atom.size, 0, AV_INPUT_BUFFER_PADDING_SIZE); | |
| 8552 | |||
| 8553 | 3 | ret = ffio_read_size(pb, buf, atom.size); | |
| 8554 |
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|
3 | if (ret < 0) { |
| 8555 | ✗ | av_free(buf); | |
| 8556 | ✗ | av_log(c->fc, AV_LOG_WARNING, "lhvC atom truncated\n"); | |
| 8557 | ✗ | return 0; | |
| 8558 | } | ||
| 8559 | |||
| 8560 | 3 | num_arrays = buf[5]; | |
| 8561 | 3 | old_size = st->codecpar->extradata_size; | |
| 8562 | 3 | atom.size -= 8 /* account for mov_realloc_extradata offsetting */ | |
| 8563 | + 6 /* lhvC bytes before the arrays*/; | ||
| 8564 | |||
| 8565 | 3 | ret = mov_realloc_extradata(st->codecpar, atom); | |
| 8566 |
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|
3 | if (ret < 0) { |
| 8567 | ✗ | av_free(buf); | |
| 8568 | ✗ | return ret; | |
| 8569 | } | ||
| 8570 | |||
| 8571 | 3 | st->codecpar->extradata[22] += num_arrays; | |
| 8572 | 3 | memcpy(st->codecpar->extradata + old_size, buf + 6, atom.size + 8); | |
| 8573 | |||
| 8574 | 3 | st->disposition |= AV_DISPOSITION_MULTILAYER; | |
| 8575 | |||
| 8576 | 3 | av_free(buf); | |
| 8577 | 3 | return 0; | |
| 8578 | } | ||
| 8579 | |||
| 8580 | 4 | static int mov_read_kind(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8581 | { | ||
| 8582 | 4 | AVFormatContext *ctx = c->fc; | |
| 8583 | 4 | AVStream *st = NULL; | |
| 8584 | AVBPrint scheme_buf, value_buf; | ||
| 8585 | 4 | int64_t scheme_str_len = 0, value_str_len = 0; | |
| 8586 | 4 | int version, flags, ret = AVERROR_BUG; | |
| 8587 | 4 | int64_t size = atom.size; | |
| 8588 | |||
| 8589 |
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|
4 | if (atom.size < 6) |
| 8590 | // 4 bytes for version + flags, 2x 1 byte for null | ||
| 8591 | ✗ | return AVERROR_INVALIDDATA; | |
| 8592 | |||
| 8593 |
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|
4 | if (c->fc->nb_streams < 1) |
| 8594 | ✗ | return 0; | |
| 8595 | 4 | st = c->fc->streams[c->fc->nb_streams-1]; | |
| 8596 | |||
| 8597 | 4 | version = avio_r8(pb); | |
| 8598 | 4 | flags = avio_rb24(pb); | |
| 8599 | 4 | size -= 4; | |
| 8600 | |||
| 8601 |
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|
4 | if (version != 0 || flags != 0) { |
| 8602 | ✗ | av_log(ctx, AV_LOG_ERROR, | |
| 8603 | "Unsupported 'kind' box with version %d, flags: %x", | ||
| 8604 | version, flags); | ||
| 8605 | ✗ | return AVERROR_INVALIDDATA; | |
| 8606 | } | ||
| 8607 | |||
| 8608 | 4 | av_bprint_init(&scheme_buf, 0, AV_BPRINT_SIZE_UNLIMITED); | |
| 8609 | 4 | av_bprint_init(&value_buf, 0, AV_BPRINT_SIZE_UNLIMITED); | |
| 8610 | |||
| 8611 |
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|
4 | if ((scheme_str_len = ff_read_string_to_bprint_overwrite(pb, &scheme_buf, |
| 8612 | size)) < 0) { | ||
| 8613 | ✗ | ret = scheme_str_len; | |
| 8614 | ✗ | goto cleanup; | |
| 8615 | } | ||
| 8616 | |||
| 8617 |
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|
4 | if (scheme_str_len + 1 >= size) { |
| 8618 | // we need to have another string, even if nullptr. | ||
| 8619 | // we check with + 1 since we expect that if size was not hit, | ||
| 8620 | // an additional null was read. | ||
| 8621 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 8622 | ✗ | goto cleanup; | |
| 8623 | } | ||
| 8624 | |||
| 8625 | 4 | size -= scheme_str_len + 1; | |
| 8626 | |||
| 8627 |
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|
4 | if ((value_str_len = ff_read_string_to_bprint_overwrite(pb, &value_buf, |
| 8628 | size)) < 0) { | ||
| 8629 | ✗ | ret = value_str_len; | |
| 8630 | ✗ | goto cleanup; | |
| 8631 | } | ||
| 8632 | |||
| 8633 |
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|
4 | if (value_str_len == size) { |
| 8634 | // in case of no trailing null, box is not valid. | ||
| 8635 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 8636 | ✗ | goto cleanup; | |
| 8637 | } | ||
| 8638 | |||
| 8639 | 4 | av_log(ctx, AV_LOG_TRACE, | |
| 8640 | "%s stream %d KindBox(scheme: %s, value: %s)\n", | ||
| 8641 | 4 | av_get_media_type_string(st->codecpar->codec_type), | |
| 8642 | st->index, | ||
| 8643 | scheme_buf.str, value_buf.str); | ||
| 8644 | |||
| 8645 |
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|
8 | for (int i = 0; ff_mov_track_kind_table[i].scheme_uri; i++) { |
| 8646 | 4 | const struct MP4TrackKindMapping map = ff_mov_track_kind_table[i]; | |
| 8647 |
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|
4 | if (!av_strstart(scheme_buf.str, map.scheme_uri, NULL)) |
| 8648 | ✗ | continue; | |
| 8649 | |||
| 8650 |
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|
24 | for (int j = 0; map.value_maps[j].disposition; j++) { |
| 8651 | 20 | const struct MP4TrackKindValueMapping value_map = map.value_maps[j]; | |
| 8652 |
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|
20 | if (!av_strstart(value_buf.str, value_map.value, NULL)) |
| 8653 | 16 | continue; | |
| 8654 | |||
| 8655 | 4 | st->disposition |= value_map.disposition; | |
| 8656 | } | ||
| 8657 | } | ||
| 8658 | |||
| 8659 | 4 | ret = 0; | |
| 8660 | |||
| 8661 | 4 | cleanup: | |
| 8662 | |||
| 8663 | 4 | av_bprint_finalize(&scheme_buf, NULL); | |
| 8664 | 4 | av_bprint_finalize(&value_buf, NULL); | |
| 8665 | |||
| 8666 | 4 | return ret; | |
| 8667 | } | ||
| 8668 | |||
| 8669 | ✗ | static int mov_read_SA3D(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8670 | { | ||
| 8671 | AVStream *st; | ||
| 8672 | ✗ | AVChannelLayout ch_layout = { 0 }; | |
| 8673 | int ret, i, version, type; | ||
| 8674 | int ambisonic_order, channel_order, normalization, channel_count; | ||
| 8675 | int ambi_channels, non_diegetic_channels; | ||
| 8676 | |||
| 8677 | ✗ | if (c->fc->nb_streams < 1) | |
| 8678 | ✗ | return 0; | |
| 8679 | |||
| 8680 | ✗ | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 8681 | |||
| 8682 | ✗ | if (atom.size < 16) { | |
| 8683 | ✗ | av_log(c->fc, AV_LOG_ERROR, "SA3D audio box too small\n"); | |
| 8684 | ✗ | return AVERROR_INVALIDDATA; | |
| 8685 | } | ||
| 8686 | |||
| 8687 | ✗ | version = avio_r8(pb); | |
| 8688 | ✗ | if (version) { | |
| 8689 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unsupported SA3D box version %d\n", version); | |
| 8690 | ✗ | return 0; | |
| 8691 | } | ||
| 8692 | |||
| 8693 | ✗ | type = avio_r8(pb); | |
| 8694 | ✗ | if (type & 0x7f) { | |
| 8695 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 8696 | "Unsupported ambisonic type %d\n", type & 0x7f); | ||
| 8697 | ✗ | return 0; | |
| 8698 | } | ||
| 8699 | ✗ | non_diegetic_channels = (type >> 7) * 2; // head_locked_stereo | |
| 8700 | |||
| 8701 | ✗ | ambisonic_order = avio_rb32(pb); | |
| 8702 | |||
| 8703 | ✗ | channel_order = avio_r8(pb); | |
| 8704 | ✗ | if (channel_order) { | |
| 8705 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 8706 | "Unsupported channel_order %d\n", channel_order); | ||
| 8707 | ✗ | return 0; | |
| 8708 | } | ||
| 8709 | |||
| 8710 | ✗ | normalization = avio_r8(pb); | |
| 8711 | ✗ | if (normalization) { | |
| 8712 | ✗ | av_log(c->fc, AV_LOG_WARNING, | |
| 8713 | "Unsupported normalization %d\n", normalization); | ||
| 8714 | ✗ | return 0; | |
| 8715 | } | ||
| 8716 | |||
| 8717 | ✗ | channel_count = avio_rb32(pb); | |
| 8718 | ✗ | if (ambisonic_order < 0 || ambisonic_order > 31 || | |
| 8719 | ✗ | channel_count != ((ambisonic_order + 1LL) * (ambisonic_order + 1LL) + | |
| 8720 | non_diegetic_channels)) { | ||
| 8721 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 8722 | "Invalid number of channels (%d / %d)\n", | ||
| 8723 | channel_count, ambisonic_order); | ||
| 8724 | ✗ | return 0; | |
| 8725 | } | ||
| 8726 | ✗ | ambi_channels = channel_count - non_diegetic_channels; | |
| 8727 | |||
| 8728 | ✗ | ret = av_channel_layout_custom_init(&ch_layout, channel_count); | |
| 8729 | ✗ | if (ret < 0) | |
| 8730 | ✗ | return 0; | |
| 8731 | |||
| 8732 | ✗ | for (i = 0; i < channel_count; i++) { | |
| 8733 | ✗ | unsigned channel = avio_rb32(pb); | |
| 8734 | |||
| 8735 | ✗ | if (channel >= channel_count) { | |
| 8736 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Invalid channel index (%d / %d)\n", | |
| 8737 | channel, ambisonic_order); | ||
| 8738 | ✗ | av_channel_layout_uninit(&ch_layout); | |
| 8739 | ✗ | return 0; | |
| 8740 | } | ||
| 8741 | ✗ | if (channel >= ambi_channels) | |
| 8742 | ✗ | ch_layout.u.map[i].id = channel - ambi_channels; | |
| 8743 | else | ||
| 8744 | ✗ | ch_layout.u.map[i].id = AV_CHAN_AMBISONIC_BASE + channel; | |
| 8745 | } | ||
| 8746 | |||
| 8747 | ✗ | ret = av_channel_layout_retype(&ch_layout, 0, AV_CHANNEL_LAYOUT_RETYPE_FLAG_CANONICAL); | |
| 8748 | ✗ | if (ret < 0) { | |
| 8749 | ✗ | av_channel_layout_uninit(&ch_layout); | |
| 8750 | ✗ | return 0; | |
| 8751 | } | ||
| 8752 | |||
| 8753 | ✗ | av_channel_layout_uninit(&st->codecpar->ch_layout); | |
| 8754 | ✗ | st->codecpar->ch_layout = ch_layout; | |
| 8755 | |||
| 8756 | ✗ | return 0; | |
| 8757 | } | ||
| 8758 | |||
| 8759 | ✗ | static int mov_read_SAND(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8760 | { | ||
| 8761 | AVStream *st; | ||
| 8762 | int version; | ||
| 8763 | |||
| 8764 | ✗ | if (c->fc->nb_streams < 1) | |
| 8765 | ✗ | return 0; | |
| 8766 | |||
| 8767 | ✗ | st = c->fc->streams[c->fc->nb_streams - 1]; | |
| 8768 | |||
| 8769 | ✗ | if (atom.size < 5) { | |
| 8770 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Empty SAND audio box\n"); | |
| 8771 | ✗ | return AVERROR_INVALIDDATA; | |
| 8772 | } | ||
| 8773 | |||
| 8774 | ✗ | version = avio_r8(pb); | |
| 8775 | ✗ | if (version) { | |
| 8776 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unsupported SAND box version %d\n", version); | |
| 8777 | ✗ | return 0; | |
| 8778 | } | ||
| 8779 | |||
| 8780 | ✗ | st->disposition |= AV_DISPOSITION_NON_DIEGETIC; | |
| 8781 | |||
| 8782 | ✗ | return 0; | |
| 8783 | } | ||
| 8784 | |||
| 8785 | 126 | static int rb_size(AVIOContext *pb, int64_t *value, int size) | |
| 8786 | { | ||
| 8787 |
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|
126 | if (size == 0) |
| 8788 | 11 | *value = 0; | |
| 8789 |
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|
115 | else if (size == 1) |
| 8790 | ✗ | *value = avio_r8(pb); | |
| 8791 |
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|
115 | else if (size == 2) |
| 8792 | ✗ | *value = avio_rb16(pb); | |
| 8793 |
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|
115 | else if (size == 4) |
| 8794 | 115 | *value = avio_rb32(pb); | |
| 8795 | ✗ | else if (size == 8) { | |
| 8796 | ✗ | *value = avio_rb64(pb); | |
| 8797 | ✗ | if (*value < 0) | |
| 8798 | ✗ | return -1; | |
| 8799 | } else | ||
| 8800 | ✗ | return -1; | |
| 8801 | 126 | return size; | |
| 8802 | } | ||
| 8803 | |||
| 8804 | 15 | static int mov_read_pitm(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8805 | { | ||
| 8806 | 15 | avio_rb32(pb); // version & flags. | |
| 8807 | 15 | c->primary_item_id = avio_rb16(pb); | |
| 8808 | 15 | av_log(c->fc, AV_LOG_TRACE, "pitm: primary_item_id %d\n", c->primary_item_id); | |
| 8809 | 15 | return atom.size; | |
| 8810 | } | ||
| 8811 | |||
| 8812 | 6 | static int mov_read_idat(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8813 | { | ||
| 8814 | 6 | c->idat_offset = avio_tell(pb); | |
| 8815 | 6 | return 0; | |
| 8816 | } | ||
| 8817 | |||
| 8818 | 15 | static int mov_read_iloc(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8819 | { | ||
| 8820 | HEIFItem **heif_item; | ||
| 8821 | int version, offset_size, length_size, base_offset_size, index_size; | ||
| 8822 | int item_count, extent_count; | ||
| 8823 | int64_t base_offset, extent_offset, extent_length; | ||
| 8824 | uint8_t value; | ||
| 8825 | |||
| 8826 |
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|
15 | if (c->found_iloc) { |
| 8827 | ✗ | av_log(c->fc, AV_LOG_INFO, "Duplicate iloc box found\n"); | |
| 8828 | ✗ | return 0; | |
| 8829 | } | ||
| 8830 | |||
| 8831 | 15 | version = avio_r8(pb); | |
| 8832 | 15 | avio_rb24(pb); // flags. | |
| 8833 | |||
| 8834 | 15 | value = avio_r8(pb); | |
| 8835 | 15 | offset_size = (value >> 4) & 0xF; | |
| 8836 | 15 | length_size = value & 0xF; | |
| 8837 | 15 | value = avio_r8(pb); | |
| 8838 | 15 | base_offset_size = (value >> 4) & 0xF; | |
| 8839 |
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|
15 | index_size = !version ? 0 : (value & 0xF); |
| 8840 |
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|
15 | if (index_size) { |
| 8841 | ✗ | avpriv_report_missing_feature(c->fc, "iloc: index_size != 0"); | |
| 8842 | ✗ | return AVERROR_PATCHWELCOME; | |
| 8843 | } | ||
| 8844 |
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|
15 | item_count = (version < 2) ? avio_rb16(pb) : avio_rb32(pb); |
| 8845 | |||
| 8846 | 15 | heif_item = av_realloc_array(c->heif_item, FFMAX(item_count, c->nb_heif_item), sizeof(*c->heif_item)); | |
| 8847 |
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|
15 | if (!heif_item) |
| 8848 | ✗ | return AVERROR(ENOMEM); | |
| 8849 | 15 | c->heif_item = heif_item; | |
| 8850 |
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|
15 | if (item_count > c->nb_heif_item) |
| 8851 | 15 | memset(&c->heif_item[c->nb_heif_item], 0, | |
| 8852 | 15 | sizeof(*c->heif_item) * (item_count - c->nb_heif_item)); | |
| 8853 | 15 | c->nb_heif_item = FFMAX(c->nb_heif_item, item_count); | |
| 8854 | |||
| 8855 | 15 | av_log(c->fc, AV_LOG_TRACE, "iloc: item_count %d\n", item_count); | |
| 8856 |
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|
57 | for (int i = 0; i < item_count; i++) { |
| 8857 | 42 | HEIFItem *item = NULL; | |
| 8858 |
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|
42 | int item_id = (version < 2) ? avio_rb16(pb) : avio_rb32(pb); |
| 8859 |
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|
42 | int offset_type = (version > 0) ? avio_rb16(pb) & 0xf : 0; |
| 8860 | |||
| 8861 |
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|
42 | if (avio_feof(pb)) |
| 8862 | ✗ | return AVERROR_INVALIDDATA; | |
| 8863 |
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|
42 | if (offset_type > 1) { |
| 8864 | ✗ | avpriv_report_missing_feature(c->fc, "iloc offset type %d", offset_type); | |
| 8865 | ✗ | return AVERROR_PATCHWELCOME; | |
| 8866 | } | ||
| 8867 | |||
| 8868 | 42 | avio_rb16(pb); // data_reference_index. | |
| 8869 |
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✓ Branch 2 taken 42 times.
|
42 | if (rb_size(pb, &base_offset, base_offset_size) < 0) |
| 8870 | ✗ | return AVERROR_INVALIDDATA; | |
| 8871 | 42 | extent_count = avio_rb16(pb); | |
| 8872 |
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✓ Branch 1 taken 42 times.
|
42 | if (extent_count > 1) { |
| 8873 | // For still AVIF images, we only support one extent item. | ||
| 8874 | ✗ | avpriv_report_missing_feature(c->fc, "iloc: extent_count > 1"); | |
| 8875 | ✗ | return AVERROR_PATCHWELCOME; | |
| 8876 | } | ||
| 8877 | |||
| 8878 |
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|
84 | if (rb_size(pb, &extent_offset, offset_size) < 0 || |
| 8879 | 42 | rb_size(pb, &extent_length, length_size) < 0 || | |
| 8880 |
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|
42 | base_offset > INT64_MAX - extent_offset) |
| 8881 | ✗ | return AVERROR_INVALIDDATA; | |
| 8882 | |||
| 8883 |
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|
95 | for (int j = 0; j < c->nb_heif_item; j++) { |
| 8884 | 95 | item = c->heif_item[j]; | |
| 8885 |
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|
95 | if (!item) |
| 8886 | 42 | item = c->heif_item[j] = av_mallocz(sizeof(*item)); | |
| 8887 |
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|
53 | else if (item->item_id != item_id) |
| 8888 | 53 | continue; | |
| 8889 | 42 | break; | |
| 8890 | } | ||
| 8891 |
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✓ Branch 1 taken 42 times.
|
42 | if (!item) |
| 8892 | ✗ | return AVERROR(ENOMEM); | |
| 8893 | |||
| 8894 | 42 | item->item_id = item_id; | |
| 8895 | |||
| 8896 |
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✓ Branch 1 taken 36 times.
|
42 | if (offset_type == 1) |
| 8897 | 6 | item->is_idat_relative = 1; | |
| 8898 | 42 | item->extent_length = extent_length; | |
| 8899 | 42 | item->extent_offset = base_offset + extent_offset; | |
| 8900 | 42 | av_log(c->fc, AV_LOG_TRACE, "iloc: item_idx %d, item->item_id %d, offset_type %d, " | |
| 8901 | "extent_offset %"PRId64", extent_length %"PRId64"\n", | ||
| 8902 | i, item->item_id, offset_type, item->extent_offset, item->extent_length); | ||
| 8903 | } | ||
| 8904 | |||
| 8905 | 15 | c->found_iloc = 1; | |
| 8906 | 15 | return atom.size; | |
| 8907 | } | ||
| 8908 | |||
| 8909 | 42 | static int mov_read_infe(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8910 | { | ||
| 8911 | 42 | HEIFItem *item = NULL; | |
| 8912 | AVBPrint item_name; | ||
| 8913 | 42 | int64_t size = atom.size; | |
| 8914 | uint32_t item_type; | ||
| 8915 | int item_id; | ||
| 8916 | int version, ret; | ||
| 8917 | |||
| 8918 | 42 | version = avio_r8(pb); | |
| 8919 | 42 | avio_rb24(pb); // flags. | |
| 8920 | 42 | size -= 4; | |
| 8921 |
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|
42 | if (size < 0) |
| 8922 | ✗ | return AVERROR_INVALIDDATA; | |
| 8923 | |||
| 8924 |
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|
42 | if (version < 2) { |
| 8925 | ✗ | avpriv_report_missing_feature(c->fc, "infe version < 2"); | |
| 8926 | ✗ | avio_skip(pb, size); | |
| 8927 | ✗ | return 1; | |
| 8928 | } | ||
| 8929 | |||
| 8930 |
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|
42 | item_id = version > 2 ? avio_rb32(pb) : avio_rb16(pb); |
| 8931 | 42 | avio_rb16(pb); // item_protection_index | |
| 8932 | 42 | item_type = avio_rl32(pb); | |
| 8933 | 42 | size -= 8; | |
| 8934 |
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|
42 | if (size < 1) |
| 8935 | ✗ | return AVERROR_INVALIDDATA; | |
| 8936 | |||
| 8937 | 42 | av_bprint_init(&item_name, 0, AV_BPRINT_SIZE_UNLIMITED); | |
| 8938 | 42 | ret = ff_read_string_to_bprint_overwrite(pb, &item_name, size); | |
| 8939 |
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|
42 | if (ret < 0) { |
| 8940 | ✗ | av_bprint_finalize(&item_name, NULL); | |
| 8941 | ✗ | return ret; | |
| 8942 | } | ||
| 8943 | |||
| 8944 | 42 | av_log(c->fc, AV_LOG_TRACE, "infe: item_id %d, item_type %s, item_name %s\n", | |
| 8945 | 42 | item_id, av_fourcc2str(item_type), item_name.str); | |
| 8946 | |||
| 8947 | 42 | size -= ret + 1; | |
| 8948 |
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|
42 | if (size > 0) |
| 8949 | 2 | avio_skip(pb, size); | |
| 8950 | |||
| 8951 |
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|
95 | for (int i = 0; i < c->nb_heif_item; i++) { |
| 8952 | 95 | item = c->heif_item[i]; | |
| 8953 |
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|
95 | if (!item) |
| 8954 | ✗ | item = c->heif_item[i] = av_mallocz(sizeof(*item)); | |
| 8955 |
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|
95 | else if (item->item_id != item_id) |
| 8956 | 53 | continue; | |
| 8957 | 42 | break; | |
| 8958 | } | ||
| 8959 |
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|
42 | if (!item) { |
| 8960 | ✗ | av_bprint_finalize(&item_name, NULL); | |
| 8961 | ✗ | return AVERROR(ENOMEM); | |
| 8962 | } | ||
| 8963 | |||
| 8964 | 42 | av_freep(&item->name); | |
| 8965 |
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|
42 | av_bprint_finalize(&item_name, ret ? &item->name : NULL); |
| 8966 | 42 | item->item_id = item_id; | |
| 8967 | 42 | item->type = item_type; | |
| 8968 | |||
| 8969 |
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|
42 | switch (item_type) { |
| 8970 | 31 | case MKTAG('a','v','0','1'): | |
| 8971 | case MKTAG('j','p','e','g'): | ||
| 8972 | case MKTAG('h','v','c','1'): | ||
| 8973 | 31 | ret = heif_add_stream(c, item); | |
| 8974 |
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|
31 | if (ret < 0) |
| 8975 | ✗ | return ret; | |
| 8976 | 31 | break; | |
| 8977 | } | ||
| 8978 | |||
| 8979 | 42 | return 0; | |
| 8980 | } | ||
| 8981 | |||
| 8982 | 15 | static int mov_read_iinf(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 8983 | { | ||
| 8984 | HEIFItem **heif_item; | ||
| 8985 | int entry_count; | ||
| 8986 | 15 | int version, got_stream = 0, ret, i; | |
| 8987 | |||
| 8988 |
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|
15 | if (c->found_iinf) { |
| 8989 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Duplicate iinf box found\n"); | |
| 8990 | ✗ | return 0; | |
| 8991 | } | ||
| 8992 | |||
| 8993 | 15 | version = avio_r8(pb); | |
| 8994 | 15 | avio_rb24(pb); // flags. | |
| 8995 |
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|
15 | entry_count = version ? avio_rb32(pb) : avio_rb16(pb); |
| 8996 | |||
| 8997 | 15 | heif_item = av_realloc_array(c->heif_item, FFMAX(entry_count, c->nb_heif_item), sizeof(*c->heif_item)); | |
| 8998 |
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|
15 | if (!heif_item) |
| 8999 | ✗ | return AVERROR(ENOMEM); | |
| 9000 | 15 | c->heif_item = heif_item; | |
| 9001 |
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|
15 | if (entry_count > c->nb_heif_item) |
| 9002 | ✗ | memset(&c->heif_item[c->nb_heif_item], 0, | |
| 9003 | ✗ | sizeof(*c->heif_item) * (entry_count - c->nb_heif_item)); | |
| 9004 | 15 | c->nb_heif_item = FFMAX(c->nb_heif_item, entry_count); | |
| 9005 | |||
| 9006 |
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|
57 | for (i = 0; i < entry_count; i++) { |
| 9007 | MOVAtom infe; | ||
| 9008 | |||
| 9009 | 42 | infe.size = avio_rb32(pb) - 8; | |
| 9010 | 42 | infe.type = avio_rl32(pb); | |
| 9011 |
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|
42 | if (avio_feof(pb)) { |
| 9012 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9013 | ✗ | goto fail; | |
| 9014 | } | ||
| 9015 | 42 | ret = mov_read_infe(c, pb, infe); | |
| 9016 |
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|
42 | if (ret < 0) |
| 9017 | ✗ | goto fail; | |
| 9018 |
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|
42 | if (!ret) |
| 9019 | 42 | got_stream = 1; | |
| 9020 | } | ||
| 9021 | |||
| 9022 | 15 | c->found_iinf = got_stream; | |
| 9023 | 15 | return 0; | |
| 9024 | ✗ | fail: | |
| 9025 | ✗ | for (; i >= 0; i--) { | |
| 9026 | ✗ | HEIFItem *item = c->heif_item[i]; | |
| 9027 | |||
| 9028 | ✗ | if (!item) | |
| 9029 | ✗ | continue; | |
| 9030 | |||
| 9031 | ✗ | av_freep(&item->name); | |
| 9032 | } | ||
| 9033 | ✗ | return ret; | |
| 9034 | } | ||
| 9035 | |||
| 9036 | 6 | static int mov_read_iref_dimg(MOVContext *c, AVIOContext *pb, int version) | |
| 9037 | { | ||
| 9038 | 6 | HEIFItem *item = NULL; | |
| 9039 | HEIFGrid *grid; | ||
| 9040 | int entries, i; | ||
| 9041 |
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|
6 | int from_item_id = version ? avio_rb32(pb) : avio_rb16(pb); |
| 9042 | |||
| 9043 |
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|
6 | for (int i = 0; i < c->nb_heif_grid; i++) { |
| 9044 | ✗ | if (c->heif_grid[i].item->item_id == from_item_id) { | |
| 9045 | ✗ | av_log(c->fc, AV_LOG_ERROR, "More than one 'dimg' box " | |
| 9046 | "referencing the same Derived Image item\n"); | ||
| 9047 | ✗ | return AVERROR_INVALIDDATA; | |
| 9048 | } | ||
| 9049 | } | ||
| 9050 |
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|
20 | for (int i = 0; i < c->nb_heif_item; i++) { |
| 9051 |
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|
20 | if (!c->heif_item[i] || c->heif_item[i]->item_id != from_item_id) |
| 9052 | 14 | continue; | |
| 9053 | 6 | item = c->heif_item[i]; | |
| 9054 | |||
| 9055 |
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|
6 | switch (item->type) { |
| 9056 | 6 | case MKTAG('g','r','i','d'): | |
| 9057 | case MKTAG('i','o','v','l'): | ||
| 9058 | 6 | break; | |
| 9059 | ✗ | default: | |
| 9060 | ✗ | avpriv_report_missing_feature(c->fc, "Derived Image item of type %s", | |
| 9061 | ✗ | av_fourcc2str(item->type)); | |
| 9062 | ✗ | return 0; | |
| 9063 | } | ||
| 9064 | 6 | break; | |
| 9065 | } | ||
| 9066 |
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|
6 | if (!item) { |
| 9067 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Missing grid information\n"); | |
| 9068 | ✗ | return AVERROR_INVALIDDATA; | |
| 9069 | } | ||
| 9070 | |||
| 9071 | 6 | grid = av_realloc_array(c->heif_grid, c->nb_heif_grid + 1U, | |
| 9072 | sizeof(*c->heif_grid)); | ||
| 9073 |
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|
6 | if (!grid) |
| 9074 | ✗ | return AVERROR(ENOMEM); | |
| 9075 | 6 | c->heif_grid = grid; | |
| 9076 | 6 | grid = &grid[c->nb_heif_grid++]; | |
| 9077 | |||
| 9078 | 6 | entries = avio_rb16(pb); | |
| 9079 | 6 | grid->tile_id_list = av_malloc_array(entries, sizeof(*grid->tile_id_list)); | |
| 9080 | 6 | grid->tile_idx_list = av_calloc(entries, sizeof(*grid->tile_idx_list)); | |
| 9081 | 6 | grid->tile_item_list = av_calloc(entries, sizeof(*grid->tile_item_list)); | |
| 9082 |
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|
6 | if (!grid->tile_id_list || !grid->tile_item_list || !grid->tile_idx_list) |
| 9083 | ✗ | return AVERROR(ENOMEM); | |
| 9084 | /* 'to' item ids */ | ||
| 9085 |
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|
22 | for (i = 0; i < entries; i++) |
| 9086 |
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|
16 | grid->tile_id_list[i] = version ? avio_rb32(pb) : avio_rb16(pb); |
| 9087 | 6 | grid->nb_tiles = entries; | |
| 9088 | 6 | grid->item = item; | |
| 9089 | |||
| 9090 | 6 | av_log(c->fc, AV_LOG_TRACE, "dimg: from_item_id %d, entries %d\n", | |
| 9091 | from_item_id, entries); | ||
| 9092 | |||
| 9093 | 6 | return 0; | |
| 9094 | } | ||
| 9095 | |||
| 9096 | 11 | static int mov_read_iref_cdsc(MOVContext *c, AVIOContext *pb, uint32_t type, int version) | |
| 9097 | { | ||
| 9098 | 11 | HEIFItem *from_item = NULL; | |
| 9099 | int entries; | ||
| 9100 |
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|
11 | int from_item_id = version ? avio_rb32(pb) : avio_rb16(pb); |
| 9101 | 11 | const HEIFItemRef ref = { type, from_item_id }; | |
| 9102 | |||
| 9103 | 11 | from_item = get_heif_item(c, from_item_id); | |
| 9104 |
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|
11 | if (!from_item) { |
| 9105 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Missing stream referenced by thmb item\n"); | |
| 9106 | ✗ | return AVERROR_INVALIDDATA; | |
| 9107 | } | ||
| 9108 | |||
| 9109 | 11 | entries = avio_rb16(pb); | |
| 9110 | /* 'to' item ids */ | ||
| 9111 |
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|
22 | for (int i = 0; i < entries; i++) { |
| 9112 |
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|
11 | HEIFItem *item = get_heif_item(c, version ? avio_rb32(pb) : avio_rb16(pb)); |
| 9113 |
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✓ Branch 1 taken 11 times.
|
11 | if (!item) { |
| 9114 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Missing stream referenced by %s item\n", | |
| 9115 | ✗ | av_fourcc2str(type)); | |
| 9116 | ✗ | continue; | |
| 9117 | } | ||
| 9118 | |||
| 9119 |
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✓ Branch 2 taken 11 times.
|
11 | if (!av_dynarray2_add((void **)&item->iref_list, &item->nb_iref_list, |
| 9120 | sizeof(*item->iref_list), (const uint8_t *)&ref)) | ||
| 9121 | ✗ | return AVERROR(ENOMEM); | |
| 9122 | } | ||
| 9123 | |||
| 9124 | 11 | av_log(c->fc, AV_LOG_TRACE, "%s: from_item_id %d, entries %d\n", | |
| 9125 | 11 | av_fourcc2str(type), from_item_id, entries); | |
| 9126 | |||
| 9127 | 11 | return 0; | |
| 9128 | } | ||
| 9129 | |||
| 9130 | 11 | static int mov_read_iref(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 9131 | { | ||
| 9132 | 11 | int version = avio_r8(pb); | |
| 9133 | 11 | avio_rb24(pb); // flags | |
| 9134 | 11 | atom.size -= 4; | |
| 9135 | |||
| 9136 |
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✓ Branch 1 taken 11 times.
|
11 | if (version > 1) { |
| 9137 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Unknown iref box version %d\n", version); | |
| 9138 | ✗ | return 0; | |
| 9139 | } | ||
| 9140 | |||
| 9141 |
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|
28 | while (atom.size) { |
| 9142 | 17 | uint32_t type, size = avio_rb32(pb); | |
| 9143 | 17 | int64_t next = avio_tell(pb); | |
| 9144 | |||
| 9145 |
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|
17 | if (size < 14 || next < 0 || next > INT64_MAX - size) |
| 9146 | ✗ | return AVERROR_INVALIDDATA; | |
| 9147 | |||
| 9148 | 17 | next += size - 4; | |
| 9149 | 17 | type = avio_rl32(pb); | |
| 9150 |
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|
17 | switch (type) { |
| 9151 | 6 | case MKTAG('d','i','m','g'): | |
| 9152 | 6 | mov_read_iref_dimg(c, pb, version); | |
| 9153 | 17 | break; | |
| 9154 | 11 | case MKTAG('c','d','s','c'): | |
| 9155 | case MKTAG('t','h','m','b'): | ||
| 9156 | 11 | mov_read_iref_cdsc(c, pb, type, version); | |
| 9157 | 11 | break; | |
| 9158 | ✗ | default: | |
| 9159 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "Unknown iref type %s size %"PRIu32"\n", | |
| 9160 | ✗ | av_fourcc2str(type), size); | |
| 9161 | } | ||
| 9162 | |||
| 9163 | 17 | atom.size -= size; | |
| 9164 | 17 | avio_seek(pb, next, SEEK_SET); | |
| 9165 | } | ||
| 9166 | 11 | return 0; | |
| 9167 | } | ||
| 9168 | |||
| 9169 | 37 | static int mov_read_ispe(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 9170 | { | ||
| 9171 | HEIFItem *item; | ||
| 9172 | uint32_t width, height; | ||
| 9173 | |||
| 9174 | 37 | avio_r8(pb); /* version */ | |
| 9175 | 37 | avio_rb24(pb); /* flags */ | |
| 9176 | 37 | width = avio_rb32(pb); | |
| 9177 | 37 | height = avio_rb32(pb); | |
| 9178 | |||
| 9179 | 37 | av_log(c->fc, AV_LOG_TRACE, "ispe: item_id %d, width %u, height %u\n", | |
| 9180 | c->cur_item_id, width, height); | ||
| 9181 | |||
| 9182 | 37 | item = get_heif_item(c, c->cur_item_id); | |
| 9183 |
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✗ Branch 1 not taken.
|
37 | if (item) { |
| 9184 | 37 | item->width = width; | |
| 9185 | 37 | item->height = height; | |
| 9186 | } | ||
| 9187 | |||
| 9188 | 37 | return 0; | |
| 9189 | } | ||
| 9190 | |||
| 9191 | 8 | static int mov_read_irot(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 9192 | { | ||
| 9193 | HEIFItem *item; | ||
| 9194 | int angle; | ||
| 9195 | |||
| 9196 | 8 | angle = avio_r8(pb) & 0x3; | |
| 9197 | |||
| 9198 | 8 | av_log(c->fc, AV_LOG_TRACE, "irot: item_id %d, angle %u\n", | |
| 9199 | c->cur_item_id, angle); | ||
| 9200 | |||
| 9201 | 8 | item = get_heif_item(c, c->cur_item_id); | |
| 9202 |
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|
8 | if (item) { |
| 9203 | // angle * 90 specifies the angle (in anti-clockwise direction) | ||
| 9204 | // in units of degrees. | ||
| 9205 | 8 | item->rotation = angle * 90; | |
| 9206 | } | ||
| 9207 | |||
| 9208 | 8 | return 0; | |
| 9209 | } | ||
| 9210 | |||
| 9211 | 6 | static int mov_read_imir(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 9212 | { | ||
| 9213 | HEIFItem *item; | ||
| 9214 | int axis; | ||
| 9215 | |||
| 9216 | 6 | axis = avio_r8(pb) & 0x1; | |
| 9217 | |||
| 9218 | 6 | av_log(c->fc, AV_LOG_TRACE, "imir: item_id %d, axis %u\n", | |
| 9219 | c->cur_item_id, axis); | ||
| 9220 | |||
| 9221 | 6 | item = get_heif_item(c, c->cur_item_id); | |
| 9222 |
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|
6 | if (item) { |
| 9223 | 6 | item->hflip = axis; | |
| 9224 | 6 | item->vflip = !axis; | |
| 9225 | } | ||
| 9226 | |||
| 9227 | 6 | return 0; | |
| 9228 | } | ||
| 9229 | |||
| 9230 | 15 | static int mov_read_iprp(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 9231 | { | ||
| 9232 | typedef struct MOVAtoms { | ||
| 9233 | FFIOContext b; | ||
| 9234 | uint32_t type; | ||
| 9235 | int64_t size; | ||
| 9236 | uint8_t *data; | ||
| 9237 | } MOVAtoms; | ||
| 9238 | 15 | MOVAtoms *atoms = NULL; | |
| 9239 | MOVAtom a; | ||
| 9240 | unsigned count; | ||
| 9241 | 15 | int nb_atoms = 0; | |
| 9242 | int version, flags; | ||
| 9243 | int ret; | ||
| 9244 | |||
| 9245 | 15 | a.size = avio_rb32(pb); | |
| 9246 | 15 | a.type = avio_rl32(pb); | |
| 9247 | |||
| 9248 |
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|
15 | if (a.size < 8 || a.type != MKTAG('i','p','c','o')) |
| 9249 | ✗ | return AVERROR_INVALIDDATA; | |
| 9250 | |||
| 9251 | 15 | a.size -= 8; | |
| 9252 |
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|
86 | while (a.size >= 8) { |
| 9253 | 71 | MOVAtoms *ref = av_dynarray2_add((void**)&atoms, &nb_atoms, sizeof(MOVAtoms), NULL); | |
| 9254 |
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✓ Branch 1 taken 71 times.
|
71 | if (!ref) { |
| 9255 | ✗ | ret = AVERROR(ENOMEM); | |
| 9256 | ✗ | goto fail; | |
| 9257 | } | ||
| 9258 | 71 | ref->data = NULL; | |
| 9259 | 71 | ref->size = avio_rb32(pb); | |
| 9260 | 71 | ref->type = avio_rl32(pb); | |
| 9261 |
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|
71 | if (ref->size > a.size || ref->size < 8) |
| 9262 | break; | ||
| 9263 | 71 | ref->data = av_malloc(ref->size); | |
| 9264 |
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✓ Branch 1 taken 71 times.
|
71 | if (!ref->data) { |
| 9265 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9266 | ✗ | goto fail; | |
| 9267 | } | ||
| 9268 | 71 | av_log(c->fc, AV_LOG_TRACE, "ipco: index %d, box type %s\n", nb_atoms, av_fourcc2str(ref->type)); | |
| 9269 | 71 | avio_seek(pb, -8, SEEK_CUR); | |
| 9270 |
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✓ Branch 2 taken 71 times.
|
71 | if (avio_read(pb, ref->data, ref->size) != ref->size) { |
| 9271 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9272 | ✗ | goto fail; | |
| 9273 | } | ||
| 9274 | 71 | ffio_init_read_context(&ref->b, ref->data, ref->size); | |
| 9275 | 71 | a.size -= ref->size; | |
| 9276 | } | ||
| 9277 | |||
| 9278 |
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|
15 | if (a.size) { |
| 9279 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9280 | ✗ | goto fail; | |
| 9281 | } | ||
| 9282 | |||
| 9283 | 15 | a.size = avio_rb32(pb); | |
| 9284 | 15 | a.type = avio_rl32(pb); | |
| 9285 | |||
| 9286 |
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|
15 | if (a.size < 8 || a.type != MKTAG('i','p','m','a')) { |
| 9287 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9288 | ✗ | goto fail; | |
| 9289 | } | ||
| 9290 | |||
| 9291 | 15 | version = avio_r8(pb); | |
| 9292 | 15 | flags = avio_rb24(pb); | |
| 9293 | 15 | count = avio_rb32(pb); | |
| 9294 | |||
| 9295 |
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|
52 | for (int i = 0; i < count; i++) { |
| 9296 |
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|
37 | int item_id = version ? avio_rb32(pb) : avio_rb16(pb); |
| 9297 | 37 | int assoc_count = avio_r8(pb); | |
| 9298 | |||
| 9299 |
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|
37 | if (avio_feof(pb)) { |
| 9300 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9301 | ✗ | goto fail; | |
| 9302 | } | ||
| 9303 | |||
| 9304 |
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|
135 | for (int j = 0; j < assoc_count; j++) { |
| 9305 | MOVAtoms *ref; | ||
| 9306 | 98 | int index = avio_r8(pb) & 0x7f; | |
| 9307 |
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|
98 | if (flags & 1) { |
| 9308 | ✗ | index <<= 8; | |
| 9309 | ✗ | index |= avio_r8(pb); | |
| 9310 | } | ||
| 9311 |
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|
98 | if (index > nb_atoms || index <= 0) { |
| 9312 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 9313 | ✗ | goto fail; | |
| 9314 | } | ||
| 9315 | 98 | ref = &atoms[--index]; | |
| 9316 | |||
| 9317 | 98 | av_log(c->fc, AV_LOG_TRACE, "ipma: property_index %d, item_id %d, item_type %s\n", | |
| 9318 | 98 | index + 1, item_id, av_fourcc2str(ref->type)); | |
| 9319 | |||
| 9320 | 98 | c->cur_item_id = item_id; | |
| 9321 | |||
| 9322 | 98 | ret = mov_read_default(c, &ref->b.pub, | |
| 9323 | 98 | (MOVAtom) { .size = ref->size, | |
| 9324 | .type = MKTAG('i','p','c','o') }); | ||
| 9325 |
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|
98 | if (ret < 0) |
| 9326 | ✗ | goto fail; | |
| 9327 | 98 | ffio_init_read_context(&ref->b, ref->data, ref->size); | |
| 9328 | } | ||
| 9329 | } | ||
| 9330 | |||
| 9331 | 15 | ret = 0; | |
| 9332 | 15 | fail: | |
| 9333 | 15 | c->cur_item_id = -1; | |
| 9334 |
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|
86 | for (int i = 0; i < nb_atoms; i++) |
| 9335 | 71 | av_free(atoms[i].data); | |
| 9336 | 15 | av_free(atoms); | |
| 9337 | |||
| 9338 | 15 | return ret; | |
| 9339 | } | ||
| 9340 | |||
| 9341 | static const MOVParseTableEntry mov_default_parse_table[] = { | ||
| 9342 | { MKTAG('A','C','L','R'), mov_read_aclr }, | ||
| 9343 | { MKTAG('A','P','R','G'), mov_read_avid }, | ||
| 9344 | { MKTAG('A','A','L','P'), mov_read_avid }, | ||
| 9345 | { MKTAG('A','R','E','S'), mov_read_ares }, | ||
| 9346 | { MKTAG('a','v','s','s'), mov_read_avss }, | ||
| 9347 | { MKTAG('a','v','1','C'), mov_read_glbl }, | ||
| 9348 | { MKTAG('c','h','p','l'), mov_read_chpl }, | ||
| 9349 | { MKTAG('c','o','6','4'), mov_read_stco }, | ||
| 9350 | { MKTAG('c','o','l','r'), mov_read_colr }, | ||
| 9351 | { MKTAG('c','t','t','s'), mov_read_ctts }, /* composition time to sample */ | ||
| 9352 | { MKTAG('d','i','n','f'), mov_read_default }, | ||
| 9353 | { MKTAG('D','p','x','E'), mov_read_dpxe }, | ||
| 9354 | { MKTAG('d','r','e','f'), mov_read_dref }, | ||
| 9355 | { MKTAG('e','d','t','s'), mov_read_default }, | ||
| 9356 | { MKTAG('e','l','s','t'), mov_read_elst }, | ||
| 9357 | { MKTAG('e','n','d','a'), mov_read_enda }, | ||
| 9358 | { MKTAG('f','i','e','l'), mov_read_fiel }, | ||
| 9359 | { MKTAG('a','d','r','m'), mov_read_adrm }, | ||
| 9360 | { MKTAG('f','t','y','p'), mov_read_ftyp }, | ||
| 9361 | { MKTAG('g','l','b','l'), mov_read_glbl }, | ||
| 9362 | { MKTAG('h','d','l','r'), mov_read_hdlr }, | ||
| 9363 | { MKTAG('i','l','s','t'), mov_read_ilst }, | ||
| 9364 | { MKTAG('j','p','2','h'), mov_read_jp2h }, | ||
| 9365 | { MKTAG('m','d','a','t'), mov_read_mdat }, | ||
| 9366 | { MKTAG('m','d','h','d'), mov_read_mdhd }, | ||
| 9367 | { MKTAG('m','d','i','a'), mov_read_default }, | ||
| 9368 | { MKTAG('m','e','t','a'), mov_read_meta }, | ||
| 9369 | { MKTAG('m','i','n','f'), mov_read_default }, | ||
| 9370 | { MKTAG('m','o','o','f'), mov_read_moof }, | ||
| 9371 | { MKTAG('m','o','o','v'), mov_read_moov }, | ||
| 9372 | { MKTAG('m','v','e','x'), mov_read_default }, | ||
| 9373 | { MKTAG('m','v','h','d'), mov_read_mvhd }, | ||
| 9374 | { MKTAG('S','M','I',' '), mov_read_svq3 }, | ||
| 9375 | { MKTAG('a','l','a','c'), mov_read_alac }, /* alac specific atom */ | ||
| 9376 | { MKTAG('a','v','c','C'), mov_read_glbl }, | ||
| 9377 | { MKTAG('p','a','s','p'), mov_read_pasp }, | ||
| 9378 | { MKTAG('c','l','a','p'), mov_read_clap }, | ||
| 9379 | { MKTAG('s','b','a','s'), mov_read_sbas }, | ||
| 9380 | { MKTAG('s','i','d','x'), mov_read_sidx }, | ||
| 9381 | { MKTAG('s','t','b','l'), mov_read_default }, | ||
| 9382 | { MKTAG('s','t','c','o'), mov_read_stco }, | ||
| 9383 | { MKTAG('s','t','p','s'), mov_read_stps }, | ||
| 9384 | { MKTAG('s','t','r','f'), mov_read_strf }, | ||
| 9385 | { MKTAG('s','t','s','c'), mov_read_stsc }, | ||
| 9386 | { MKTAG('s','t','s','d'), mov_read_stsd }, /* sample description */ | ||
| 9387 | { MKTAG('s','t','s','s'), mov_read_stss }, /* sync sample */ | ||
| 9388 | { MKTAG('s','t','s','z'), mov_read_stsz }, /* sample size */ | ||
| 9389 | { MKTAG('s','t','t','s'), mov_read_stts }, | ||
| 9390 | { MKTAG('s','t','z','2'), mov_read_stsz }, /* compact sample size */ | ||
| 9391 | { MKTAG('s','d','t','p'), mov_read_sdtp }, /* independent and disposable samples */ | ||
| 9392 | { MKTAG('t','k','h','d'), mov_read_tkhd }, /* track header */ | ||
| 9393 | { MKTAG('t','f','d','t'), mov_read_tfdt }, | ||
| 9394 | { MKTAG('t','f','h','d'), mov_read_tfhd }, /* track fragment header */ | ||
| 9395 | { MKTAG('t','r','a','k'), mov_read_trak }, | ||
| 9396 | { MKTAG('t','r','a','f'), mov_read_default }, | ||
| 9397 | { MKTAG('t','r','e','f'), mov_read_default }, | ||
| 9398 | { MKTAG('t','m','c','d'), mov_read_tmcd }, | ||
| 9399 | { MKTAG('c','h','a','p'), mov_read_chap }, | ||
| 9400 | { MKTAG('t','r','e','x'), mov_read_trex }, | ||
| 9401 | { MKTAG('t','r','u','n'), mov_read_trun }, | ||
| 9402 | { MKTAG('u','d','t','a'), mov_read_default }, | ||
| 9403 | { MKTAG('w','a','v','e'), mov_read_wave }, | ||
| 9404 | { MKTAG('e','s','d','s'), mov_read_esds }, | ||
| 9405 | { MKTAG('d','a','c','3'), mov_read_dac3 }, /* AC-3 info */ | ||
| 9406 | { MKTAG('d','e','c','3'), mov_read_dec3 }, /* EAC-3 info */ | ||
| 9407 | { MKTAG('d','d','t','s'), mov_read_ddts }, /* DTS audio descriptor */ | ||
| 9408 | { MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */ | ||
| 9409 | { MKTAG('w','f','e','x'), mov_read_wfex }, | ||
| 9410 | { MKTAG('c','m','o','v'), mov_read_cmov }, | ||
| 9411 | { MKTAG('c','h','a','n'), mov_read_chan }, /* channel layout from quicktime */ | ||
| 9412 | { MKTAG('c','h','n','l'), mov_read_chnl }, /* channel layout from ISO-14496-12 */ | ||
| 9413 | { MKTAG('d','v','c','1'), mov_read_dvc1 }, | ||
| 9414 | { MKTAG('s','g','p','d'), mov_read_sgpd }, | ||
| 9415 | { MKTAG('s','b','g','p'), mov_read_sbgp }, | ||
| 9416 | { MKTAG('h','v','c','C'), mov_read_glbl }, | ||
| 9417 | { MKTAG('v','v','c','C'), mov_read_glbl }, | ||
| 9418 | { MKTAG('u','u','i','d'), mov_read_uuid }, | ||
| 9419 | { MKTAG('C','i','n', 0x8e), mov_read_targa_y216 }, | ||
| 9420 | { MKTAG('f','r','e','e'), mov_read_free }, | ||
| 9421 | { MKTAG('-','-','-','-'), mov_read_custom }, | ||
| 9422 | { MKTAG('s','i','n','f'), mov_read_default }, | ||
| 9423 | { MKTAG('f','r','m','a'), mov_read_frma }, | ||
| 9424 | { MKTAG('s','e','n','c'), mov_read_senc }, | ||
| 9425 | { MKTAG('s','a','i','z'), mov_read_saiz }, | ||
| 9426 | { MKTAG('s','a','i','o'), mov_read_saio }, | ||
| 9427 | { MKTAG('p','s','s','h'), mov_read_pssh }, | ||
| 9428 | { MKTAG('s','c','h','m'), mov_read_schm }, | ||
| 9429 | { MKTAG('s','c','h','i'), mov_read_default }, | ||
| 9430 | { MKTAG('t','e','n','c'), mov_read_tenc }, | ||
| 9431 | { MKTAG('d','f','L','a'), mov_read_dfla }, | ||
| 9432 | { MKTAG('s','t','3','d'), mov_read_st3d }, /* stereoscopic 3D video box */ | ||
| 9433 | { MKTAG('s','v','3','d'), mov_read_sv3d }, /* spherical video box */ | ||
| 9434 | { MKTAG('v','e','x','u'), mov_read_vexu }, /* video extension usage */ | ||
| 9435 | { MKTAG('h','f','o','v'), mov_read_hfov }, | ||
| 9436 | { MKTAG('d','O','p','s'), mov_read_dops }, | ||
| 9437 | { MKTAG('d','m','l','p'), mov_read_dmlp }, | ||
| 9438 | { MKTAG('S','m','D','m'), mov_read_smdm }, | ||
| 9439 | { MKTAG('C','o','L','L'), mov_read_coll }, | ||
| 9440 | { MKTAG('v','p','c','C'), mov_read_vpcc }, | ||
| 9441 | { MKTAG('m','d','c','v'), mov_read_mdcv }, | ||
| 9442 | { MKTAG('c','l','l','i'), mov_read_clli }, | ||
| 9443 | { MKTAG('d','v','c','C'), mov_read_dvcc_dvvc }, | ||
| 9444 | { MKTAG('d','v','v','C'), mov_read_dvcc_dvvc }, | ||
| 9445 | { MKTAG('d','v','w','C'), mov_read_dvcc_dvvc }, | ||
| 9446 | { MKTAG('k','i','n','d'), mov_read_kind }, | ||
| 9447 | { MKTAG('S','A','3','D'), mov_read_SA3D }, /* ambisonic audio box */ | ||
| 9448 | { MKTAG('S','A','N','D'), mov_read_SAND }, /* non diegetic audio box */ | ||
| 9449 | { MKTAG('i','l','o','c'), mov_read_iloc }, | ||
| 9450 | { MKTAG('p','c','m','C'), mov_read_pcmc }, /* PCM configuration box */ | ||
| 9451 | { MKTAG('p','i','t','m'), mov_read_pitm }, | ||
| 9452 | { MKTAG('e','v','c','C'), mov_read_glbl }, | ||
| 9453 | { MKTAG('i','d','a','t'), mov_read_idat }, | ||
| 9454 | { MKTAG('i','m','i','r'), mov_read_imir }, | ||
| 9455 | { MKTAG('i','r','e','f'), mov_read_iref }, | ||
| 9456 | { MKTAG('i','s','p','e'), mov_read_ispe }, | ||
| 9457 | { MKTAG('i','r','o','t'), mov_read_irot }, | ||
| 9458 | { MKTAG('i','p','r','p'), mov_read_iprp }, | ||
| 9459 | { MKTAG('i','i','n','f'), mov_read_iinf }, | ||
| 9460 | { MKTAG('a','m','v','e'), mov_read_amve }, /* ambient viewing environment box */ | ||
| 9461 | { MKTAG('l','h','v','C'), mov_read_lhvc }, | ||
| 9462 | { MKTAG('l','v','c','C'), mov_read_glbl }, | ||
| 9463 | { MKTAG('a','p','v','C'), mov_read_glbl }, | ||
| 9464 | #if CONFIG_IAMFDEC | ||
| 9465 | { MKTAG('i','a','c','b'), mov_read_iacb }, | ||
| 9466 | #endif | ||
| 9467 | { 0, NULL } | ||
| 9468 | }; | ||
| 9469 | |||
| 9470 | 6703 | static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom) | |
| 9471 | { | ||
| 9472 | 6703 | int64_t total_size = 0; | |
| 9473 | MOVAtom a; | ||
| 9474 | int i; | ||
| 9475 | |||
| 9476 |
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|
6703 | if (c->atom_depth > 10) { |
| 9477 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Atoms too deeply nested\n"); | |
| 9478 | ✗ | return AVERROR_INVALIDDATA; | |
| 9479 | } | ||
| 9480 | 6703 | c->atom_depth ++; | |
| 9481 | |||
| 9482 |
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|
6703 | if (atom.size < 0) |
| 9483 | ✗ | atom.size = INT64_MAX; | |
| 9484 |
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|
25490 | while (total_size <= atom.size - 8) { |
| 9485 | 19278 | int (*parse)(MOVContext*, AVIOContext*, MOVAtom) = NULL; | |
| 9486 | 19278 | a.size = avio_rb32(pb); | |
| 9487 | 19278 | a.type = avio_rl32(pb); | |
| 9488 |
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|
19278 | if (avio_feof(pb)) |
| 9489 | 5 | break; | |
| 9490 |
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|
19273 | if (((a.type == MKTAG('f','r','e','e') && c->moov_retry) || |
| 9491 |
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|
19273 | a.type == MKTAG('h','o','o','v')) && |
| 9492 | ✗ | a.size >= 8 && | |
| 9493 | ✗ | c->fc->strict_std_compliance < FF_COMPLIANCE_STRICT) { | |
| 9494 | uint32_t type; | ||
| 9495 | ✗ | avio_skip(pb, 4); | |
| 9496 | ✗ | type = avio_rl32(pb); | |
| 9497 | ✗ | if (avio_feof(pb)) | |
| 9498 | ✗ | break; | |
| 9499 | ✗ | avio_seek(pb, -8, SEEK_CUR); | |
| 9500 | ✗ | if (type == MKTAG('m','v','h','d') || | |
| 9501 | type == MKTAG('c','m','o','v')) { | ||
| 9502 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Detected moov in a free or hoov atom.\n"); | |
| 9503 | ✗ | a.type = MKTAG('m','o','o','v'); | |
| 9504 | } | ||
| 9505 | } | ||
| 9506 |
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|
19273 | if (atom.type != MKTAG('r','o','o','t') && |
| 9507 |
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|
16366 | atom.type != MKTAG('m','o','o','v')) { |
| 9508 |
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|
14919 | if (a.type == MKTAG('t','r','a','k') || |
| 9509 |
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|
14919 | a.type == MKTAG('m','d','a','t')) { |
| 9510 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Broken file, trak/mdat not at top-level\n"); | |
| 9511 | ✗ | avio_skip(pb, -8); | |
| 9512 | ✗ | c->atom_depth --; | |
| 9513 | 486 | return 0; | |
| 9514 | } | ||
| 9515 | } | ||
| 9516 | 19273 | total_size += 8; | |
| 9517 |
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|
19273 | if (a.size == 1 && total_size + 8 <= atom.size) { /* 64 bit extended size */ |
| 9518 | 26 | a.size = avio_rb64(pb) - 8; | |
| 9519 | 26 | total_size += 8; | |
| 9520 | } | ||
| 9521 | 19273 | av_log(c->fc, AV_LOG_TRACE, "type:'%s' parent:'%s' sz: %"PRId64" %"PRId64" %"PRId64"\n", | |
| 9522 | 19273 | av_fourcc2str(a.type), av_fourcc2str(atom.type), a.size, total_size, atom.size); | |
| 9523 |
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|
19273 | if (a.size == 0) { |
| 9524 | 5 | a.size = atom.size - total_size + 8; | |
| 9525 | } | ||
| 9526 |
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|
19273 | if (a.size < 0) |
| 9527 | ✗ | break; | |
| 9528 | 19273 | a.size -= 8; | |
| 9529 |
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|
19273 | if (a.size < 0) |
| 9530 | ✗ | break; | |
| 9531 | 19273 | a.size = FFMIN(a.size, atom.size - total_size); | |
| 9532 | |||
| 9533 |
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|
890104 | for (i = 0; mov_default_parse_table[i].type; i++) |
| 9534 |
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|
888143 | if (mov_default_parse_table[i].type == a.type) { |
| 9535 | 17312 | parse = mov_default_parse_table[i].parse; | |
| 9536 | 17312 | break; | |
| 9537 | } | ||
| 9538 | |||
| 9539 | // container is user data | ||
| 9540 |
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|
19273 | if (!parse && (atom.type == MKTAG('u','d','t','a') || |
| 9541 |
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|
1784 | atom.type == MKTAG('i','l','s','t'))) |
| 9542 | 477 | parse = mov_read_udta_string; | |
| 9543 | |||
| 9544 | // Supports parsing the QuickTime Metadata Keys. | ||
| 9545 | // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html | ||
| 9546 |
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|
19273 | if (!parse && c->found_hdlr_mdta && |
| 9547 |
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|
11 | atom.type == MKTAG('m','e','t','a') && |
| 9548 |
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|
11 | a.type == MKTAG('k','e','y','s') && |
| 9549 |
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|
11 | c->meta_keys_count == 0) { |
| 9550 | 11 | parse = mov_read_keys; | |
| 9551 | } | ||
| 9552 | |||
| 9553 |
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|
19273 | if (!parse) { /* skip leaf atoms data */ |
| 9554 | 1473 | avio_skip(pb, a.size); | |
| 9555 | } else { | ||
| 9556 | 17800 | int64_t start_pos = avio_tell(pb); | |
| 9557 | int64_t left; | ||
| 9558 | 17800 | int err = parse(c, pb, a); | |
| 9559 |
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|
17800 | if (err < 0) { |
| 9560 | ✗ | c->atom_depth --; | |
| 9561 | ✗ | return err; | |
| 9562 | } | ||
| 9563 |
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|
17800 | if (c->found_moov && c->found_mdat && a.size <= INT64_MAX - start_pos && |
| 9564 |
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|
6661 | ((!(pb->seekable & AVIO_SEEKABLE_NORMAL) || c->fc->flags & AVFMT_FLAG_IGNIDX || c->frag_index.complete) || |
| 9565 | 3326 | start_pos + a.size == avio_size(pb))) { | |
| 9566 |
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|
486 | if (!(pb->seekable & AVIO_SEEKABLE_NORMAL) || c->fc->flags & AVFMT_FLAG_IGNIDX || c->frag_index.complete) |
| 9567 | 9 | c->next_root_atom = start_pos + a.size; | |
| 9568 | 486 | c->atom_depth --; | |
| 9569 | 486 | return 0; | |
| 9570 | } | ||
| 9571 | 17314 | left = a.size - avio_tell(pb) + start_pos; | |
| 9572 |
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|
17314 | if (left > 0) /* skip garbage at atom end */ |
| 9573 | 1465 | avio_skip(pb, left); | |
| 9574 |
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|
15849 | else if (left < 0) { |
| 9575 | 2 | av_log(c->fc, AV_LOG_WARNING, | |
| 9576 | "overread end of atom '%s' by %"PRId64" bytes\n", | ||
| 9577 | 2 | av_fourcc2str(a.type), -left); | |
| 9578 | 2 | avio_seek(pb, left, SEEK_CUR); | |
| 9579 | } | ||
| 9580 | } | ||
| 9581 | |||
| 9582 | 18787 | total_size += a.size; | |
| 9583 | } | ||
| 9584 | |||
| 9585 |
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|
6217 | if (total_size < atom.size && atom.size < 0x7ffff) |
| 9586 | 102 | avio_skip(pb, atom.size - total_size); | |
| 9587 | |||
| 9588 | 6217 | c->atom_depth --; | |
| 9589 | 6217 | return 0; | |
| 9590 | } | ||
| 9591 | |||
| 9592 | 7279 | static int mov_probe(const AVProbeData *p) | |
| 9593 | { | ||
| 9594 | int64_t offset; | ||
| 9595 | uint32_t tag; | ||
| 9596 | 7279 | int score = 0; | |
| 9597 | 7279 | int moov_offset = -1; | |
| 9598 | |||
| 9599 | /* check file header */ | ||
| 9600 | 7279 | offset = 0; | |
| 9601 | 8980 | for (;;) { | |
| 9602 | int64_t size; | ||
| 9603 | 16259 | int minsize = 8; | |
| 9604 | /* ignore invalid offset */ | ||
| 9605 |
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|
16259 | if ((offset + 8ULL) > (unsigned int)p->buf_size) |
| 9606 | 7279 | break; | |
| 9607 | 8980 | size = AV_RB32(p->buf + offset); | |
| 9608 |
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|
8980 | if (size == 1 && offset + 16 <= (unsigned int)p->buf_size) { |
| 9609 | 524 | size = AV_RB64(p->buf+offset + 8); | |
| 9610 | 524 | minsize = 16; | |
| 9611 |
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|
8456 | } else if (size == 0) { |
| 9612 | 55 | size = p->buf_size - offset; | |
| 9613 | } | ||
| 9614 |
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|
8980 | if (size < minsize) { |
| 9615 | 399 | offset += 4; | |
| 9616 | 399 | continue; | |
| 9617 | } | ||
| 9618 | 8581 | tag = AV_RL32(p->buf + offset + 4); | |
| 9619 |
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|
8581 | switch(tag) { |
| 9620 | /* check for obvious tags */ | ||
| 9621 | 129 | case MKTAG('m','o','o','v'): | |
| 9622 | 129 | moov_offset = offset + 4; | |
| 9623 | 979 | case MKTAG('m','d','a','t'): | |
| 9624 | case MKTAG('p','n','o','t'): /* detect movs with preview pics like ew.mov and april.mov */ | ||
| 9625 | case MKTAG('u','d','t','a'): /* Packet Video PVAuthor adds this and a lot of more junk */ | ||
| 9626 | case MKTAG('f','t','y','p'): | ||
| 9627 |
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|
979 | if (tag == MKTAG('f','t','y','p') && |
| 9628 |
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✗ Branch 1 not taken.
|
444 | ( AV_RL32(p->buf + offset + 8) == MKTAG('j','p','2',' ') |
| 9629 |
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✗ Branch 1 not taken.
|
444 | || AV_RL32(p->buf + offset + 8) == MKTAG('j','p','x',' ') |
| 9630 |
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|
444 | || AV_RL32(p->buf + offset + 8) == MKTAG('j','x','l',' ') |
| 9631 | )) { | ||
| 9632 | 6 | score = FFMAX(score, 5); | |
| 9633 | } else { | ||
| 9634 | 973 | score = AVPROBE_SCORE_MAX; | |
| 9635 | } | ||
| 9636 | 979 | break; | |
| 9637 | /* those are more common words, so rate then a bit less */ | ||
| 9638 | 358 | case MKTAG('e','d','i','w'): /* xdcam files have reverted first tags */ | |
| 9639 | case MKTAG('w','i','d','e'): | ||
| 9640 | case MKTAG('f','r','e','e'): | ||
| 9641 | case MKTAG('j','u','n','k'): | ||
| 9642 | case MKTAG('p','i','c','t'): | ||
| 9643 | 358 | score = FFMAX(score, AVPROBE_SCORE_MAX - 5); | |
| 9644 | 358 | break; | |
| 9645 | ✗ | case MKTAG(0x82,0x82,0x7f,0x7d): | |
| 9646 | ✗ | score = FFMAX(score, AVPROBE_SCORE_EXTENSION - 5); | |
| 9647 | ✗ | break; | |
| 9648 | 1 | case MKTAG('s','k','i','p'): | |
| 9649 | case MKTAG('u','u','i','d'): | ||
| 9650 | case MKTAG('p','r','f','l'): | ||
| 9651 | /* if we only find those cause probedata is too small at least rate them */ | ||
| 9652 | 1 | score = FFMAX(score, AVPROBE_SCORE_EXTENSION); | |
| 9653 | 1 | break; | |
| 9654 | } | ||
| 9655 |
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|
8581 | if (size > INT64_MAX - offset) |
| 9656 | ✗ | break; | |
| 9657 | 8581 | offset += size; | |
| 9658 | } | ||
| 9659 |
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|
7279 | if (score > AVPROBE_SCORE_MAX - 50 && moov_offset != -1) { |
| 9660 | /* moov atom in the header - we should make sure that this is not a | ||
| 9661 | * MOV-packed MPEG-PS */ | ||
| 9662 | 129 | offset = moov_offset; | |
| 9663 | |||
| 9664 |
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|
126743 | while (offset < (p->buf_size - 16)) { /* Sufficient space */ |
| 9665 | /* We found an actual hdlr atom */ | ||
| 9666 |
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|
126614 | if (AV_RL32(p->buf + offset ) == MKTAG('h','d','l','r') && |
| 9667 |
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|
137 | AV_RL32(p->buf + offset + 8) == MKTAG('m','h','l','r') && |
| 9668 |
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|
21 | AV_RL32(p->buf + offset + 12) == MKTAG('M','P','E','G')) { |
| 9669 | ✗ | av_log(NULL, AV_LOG_WARNING, "Found media data tag MPEG indicating this is a MOV-packed MPEG-PS.\n"); | |
| 9670 | /* We found a media handler reference atom describing an | ||
| 9671 | * MPEG-PS-in-MOV, return a | ||
| 9672 | * low score to force expanding the probe window until | ||
| 9673 | * mpegps_probe finds what it needs */ | ||
| 9674 | ✗ | return 5; | |
| 9675 | } else { | ||
| 9676 | /* Keep looking */ | ||
| 9677 | 126614 | offset += 2; | |
| 9678 | } | ||
| 9679 | } | ||
| 9680 | } | ||
| 9681 | |||
| 9682 | 7279 | return score; | |
| 9683 | } | ||
| 9684 | |||
| 9685 | // must be done after parsing all trak because there's no order requirement | ||
| 9686 | 2 | static void mov_read_chapters(AVFormatContext *s) | |
| 9687 | { | ||
| 9688 | 2 | MOVContext *mov = s->priv_data; | |
| 9689 | MOVStreamContext *sc; | ||
| 9690 | int64_t cur_pos; | ||
| 9691 | int i, j; | ||
| 9692 | int chapter_track; | ||
| 9693 | |||
| 9694 |
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|
4 | for (j = 0; j < mov->nb_chapter_tracks; j++) { |
| 9695 | 2 | AVStream *st = NULL; | |
| 9696 | 2 | FFStream *sti = NULL; | |
| 9697 | 2 | chapter_track = mov->chapter_tracks[j]; | |
| 9698 |
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|
4 | for (i = 0; i < s->nb_streams; i++) { |
| 9699 | 4 | sc = mov->fc->streams[i]->priv_data; | |
| 9700 |
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|
4 | if (sc->id == chapter_track) { |
| 9701 | 2 | st = s->streams[i]; | |
| 9702 | 2 | break; | |
| 9703 | } | ||
| 9704 | } | ||
| 9705 |
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|
2 | if (!st) { |
| 9706 | ✗ | av_log(s, AV_LOG_ERROR, "Referenced QT chapter track not found\n"); | |
| 9707 | ✗ | continue; | |
| 9708 | } | ||
| 9709 | 2 | sti = ffstream(st); | |
| 9710 | |||
| 9711 | 2 | sc = st->priv_data; | |
| 9712 | 2 | cur_pos = avio_tell(sc->pb); | |
| 9713 | |||
| 9714 |
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|
2 | if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 9715 | ✗ | st->disposition |= AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS; | |
| 9716 | ✗ | if (!st->attached_pic.data && sti->nb_index_entries) { | |
| 9717 | // Retrieve the first frame, if possible | ||
| 9718 | ✗ | AVIndexEntry *sample = &sti->index_entries[0]; | |
| 9719 | ✗ | if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { | |
| 9720 | ✗ | av_log(s, AV_LOG_ERROR, "Failed to retrieve first frame\n"); | |
| 9721 | ✗ | goto finish; | |
| 9722 | } | ||
| 9723 | |||
| 9724 | ✗ | if (ff_add_attached_pic(s, st, sc->pb, NULL, sample->size) < 0) | |
| 9725 | ✗ | goto finish; | |
| 9726 | } | ||
| 9727 | } else { | ||
| 9728 | 2 | st->codecpar->codec_type = AVMEDIA_TYPE_DATA; | |
| 9729 | 2 | st->codecpar->codec_id = AV_CODEC_ID_BIN_DATA; | |
| 9730 | 2 | st->discard = AVDISCARD_ALL; | |
| 9731 |
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|
10 | for (int i = 0; i < sti->nb_index_entries; i++) { |
| 9732 | 8 | AVIndexEntry *sample = &sti->index_entries[i]; | |
| 9733 |
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|
8 | int64_t end = i+1 < sti->nb_index_entries ? sti->index_entries[i+1].timestamp : st->duration; |
| 9734 | uint8_t *title; | ||
| 9735 | uint16_t ch; | ||
| 9736 | int len, title_len; | ||
| 9737 | |||
| 9738 |
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|
8 | if (end < sample->timestamp) { |
| 9739 | ✗ | av_log(s, AV_LOG_WARNING, "ignoring stream duration which is shorter than chapters\n"); | |
| 9740 | ✗ | end = AV_NOPTS_VALUE; | |
| 9741 | } | ||
| 9742 | |||
| 9743 |
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|
8 | if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) { |
| 9744 | ✗ | av_log(s, AV_LOG_ERROR, "Chapter %d not found in file\n", i); | |
| 9745 | ✗ | goto finish; | |
| 9746 | } | ||
| 9747 | |||
| 9748 | // the first two bytes are the length of the title | ||
| 9749 | 8 | len = avio_rb16(sc->pb); | |
| 9750 |
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|
8 | if (len > sample->size-2) |
| 9751 | ✗ | continue; | |
| 9752 | 8 | title_len = 2*len + 1; | |
| 9753 |
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|
8 | if (!(title = av_mallocz(title_len))) |
| 9754 | ✗ | goto finish; | |
| 9755 | |||
| 9756 | // The samples could theoretically be in any encoding if there's an encd | ||
| 9757 | // atom following, but in practice are only utf-8 or utf-16, distinguished | ||
| 9758 | // instead by the presence of a BOM | ||
| 9759 |
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|
8 | if (!len) { |
| 9760 | ✗ | title[0] = 0; | |
| 9761 | } else { | ||
| 9762 | 8 | ch = avio_rb16(sc->pb); | |
| 9763 |
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|
8 | if (ch == 0xfeff) |
| 9764 | ✗ | avio_get_str16be(sc->pb, len, title, title_len); | |
| 9765 |
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|
8 | else if (ch == 0xfffe) |
| 9766 | ✗ | avio_get_str16le(sc->pb, len, title, title_len); | |
| 9767 | else { | ||
| 9768 | 8 | AV_WB16(title, ch); | |
| 9769 |
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|
8 | if (len == 1 || len == 2) |
| 9770 | ✗ | title[len] = 0; | |
| 9771 | else | ||
| 9772 | 8 | avio_get_str(sc->pb, INT_MAX, title + 2, len - 1); | |
| 9773 | } | ||
| 9774 | } | ||
| 9775 | |||
| 9776 | 8 | avpriv_new_chapter(s, i, st->time_base, sample->timestamp, end, title); | |
| 9777 | 8 | av_freep(&title); | |
| 9778 | } | ||
| 9779 | } | ||
| 9780 | 2 | finish: | |
| 9781 | 2 | avio_seek(sc->pb, cur_pos, SEEK_SET); | |
| 9782 | } | ||
| 9783 | 2 | } | |
| 9784 | |||
| 9785 | 19 | static int parse_timecode_in_framenum_format(AVFormatContext *s, AVStream *st, | |
| 9786 | int64_t value, int flags) | ||
| 9787 | { | ||
| 9788 | AVTimecode tc; | ||
| 9789 | char buf[AV_TIMECODE_STR_SIZE]; | ||
| 9790 | 19 | AVRational rate = st->avg_frame_rate; | |
| 9791 | 19 | int ret = av_timecode_init(&tc, rate, flags, 0, s); | |
| 9792 |
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|
19 | if (ret < 0) |
| 9793 | ✗ | return ret; | |
| 9794 | 19 | av_dict_set(&st->metadata, "timecode", | |
| 9795 | 19 | av_timecode_make_string(&tc, buf, value), 0); | |
| 9796 | 19 | return 0; | |
| 9797 | } | ||
| 9798 | |||
| 9799 | ✗ | static int mov_read_rtmd_track(AVFormatContext *s, AVStream *st) | |
| 9800 | { | ||
| 9801 | ✗ | MOVStreamContext *sc = st->priv_data; | |
| 9802 | ✗ | FFStream *const sti = ffstream(st); | |
| 9803 | char buf[AV_TIMECODE_STR_SIZE]; | ||
| 9804 | ✗ | int64_t cur_pos = avio_tell(sc->pb); | |
| 9805 | int hh, mm, ss, ff, drop; | ||
| 9806 | |||
| 9807 | ✗ | if (!sti->nb_index_entries) | |
| 9808 | ✗ | return -1; | |
| 9809 | |||
| 9810 | ✗ | avio_seek(sc->pb, sti->index_entries->pos, SEEK_SET); | |
| 9811 | ✗ | avio_skip(s->pb, 13); | |
| 9812 | ✗ | hh = avio_r8(s->pb); | |
| 9813 | ✗ | mm = avio_r8(s->pb); | |
| 9814 | ✗ | ss = avio_r8(s->pb); | |
| 9815 | ✗ | drop = avio_r8(s->pb); | |
| 9816 | ✗ | ff = avio_r8(s->pb); | |
| 9817 | ✗ | snprintf(buf, AV_TIMECODE_STR_SIZE, "%02d:%02d:%02d%c%02d", | |
| 9818 | hh, mm, ss, drop ? ';' : ':', ff); | ||
| 9819 | ✗ | av_dict_set(&st->metadata, "timecode", buf, 0); | |
| 9820 | |||
| 9821 | ✗ | avio_seek(sc->pb, cur_pos, SEEK_SET); | |
| 9822 | ✗ | return 0; | |
| 9823 | } | ||
| 9824 | |||
| 9825 | 19 | static int mov_read_timecode_track(AVFormatContext *s, AVStream *st) | |
| 9826 | { | ||
| 9827 | 19 | MOVStreamContext *sc = st->priv_data; | |
| 9828 | 19 | FFStream *const sti = ffstream(st); | |
| 9829 | 19 | int flags = 0; | |
| 9830 | 19 | int64_t cur_pos = avio_tell(sc->pb); | |
| 9831 | int64_t value; | ||
| 9832 | 19 | AVRational tc_rate = st->avg_frame_rate; | |
| 9833 | 19 | int tmcd_nb_frames = sc->tmcd_nb_frames; | |
| 9834 | int rounded_tc_rate; | ||
| 9835 | |||
| 9836 |
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|
19 | if (!sti->nb_index_entries) |
| 9837 | ✗ | return -1; | |
| 9838 | |||
| 9839 |
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|
19 | if (!tc_rate.num || !tc_rate.den || !tmcd_nb_frames) |
| 9840 | ✗ | return -1; | |
| 9841 | |||
| 9842 | 19 | avio_seek(sc->pb, sti->index_entries->pos, SEEK_SET); | |
| 9843 | 19 | value = avio_rb32(s->pb); | |
| 9844 | |||
| 9845 |
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|
19 | if (sc->tmcd_flags & 0x0001) flags |= AV_TIMECODE_FLAG_DROPFRAME; |
| 9846 |
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|
19 | if (sc->tmcd_flags & 0x0002) flags |= AV_TIMECODE_FLAG_24HOURSMAX; |
| 9847 |
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|
19 | if (sc->tmcd_flags & 0x0004) flags |= AV_TIMECODE_FLAG_ALLOWNEGATIVE; |
| 9848 | |||
| 9849 | /* Assume Counter flag is set to 1 in tmcd track (even though it is likely | ||
| 9850 | * not the case) and thus assume "frame number format" instead of QT one. | ||
| 9851 | * No sample with tmcd track can be found with a QT timecode at the moment, | ||
| 9852 | * despite what the tmcd track "suggests" (Counter flag set to 0 means QT | ||
| 9853 | * format). */ | ||
| 9854 | |||
| 9855 | /* 60 fps content have tmcd_nb_frames set to 30 but tc_rate set to 60, so | ||
| 9856 | * we multiply the frame number with the quotient. | ||
| 9857 | * See tickets #9492, #9710. */ | ||
| 9858 | 19 | rounded_tc_rate = (tc_rate.num + tc_rate.den / 2LL) / tc_rate.den; | |
| 9859 | /* Work around files where tmcd_nb_frames is rounded down from frame rate | ||
| 9860 | * instead of up. See ticket #5978. */ | ||
| 9861 |
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|
19 | if (tmcd_nb_frames == tc_rate.num / tc_rate.den && |
| 9862 |
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✗ Branch 1 not taken.
|
10 | s->strict_std_compliance < FF_COMPLIANCE_STRICT) |
| 9863 | 10 | tmcd_nb_frames = rounded_tc_rate; | |
| 9864 | 19 | value = av_rescale(value, rounded_tc_rate, tmcd_nb_frames); | |
| 9865 | |||
| 9866 | 19 | parse_timecode_in_framenum_format(s, st, value, flags); | |
| 9867 | |||
| 9868 | 19 | avio_seek(sc->pb, cur_pos, SEEK_SET); | |
| 9869 | 19 | return 0; | |
| 9870 | } | ||
| 9871 | |||
| 9872 | 1221 | static void mov_free_encryption_index(MOVEncryptionIndex **index) { | |
| 9873 | int i; | ||
| 9874 |
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|
1221 | if (!index || !*index) return; |
| 9875 |
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|
76 | for (i = 0; i < (*index)->nb_encrypted_samples; i++) { |
| 9876 | 72 | av_encryption_info_free((*index)->encrypted_samples[i]); | |
| 9877 | } | ||
| 9878 | 4 | av_freep(&(*index)->encrypted_samples); | |
| 9879 | 4 | av_freep(&(*index)->auxiliary_info_sizes); | |
| 9880 | 4 | av_freep(&(*index)->auxiliary_offsets); | |
| 9881 | 4 | av_freep(index); | |
| 9882 | } | ||
| 9883 | |||
| 9884 | 697 | static void mov_free_stream_context(AVFormatContext *s, AVStream *st) | |
| 9885 | { | ||
| 9886 | 697 | MOVStreamContext *sc = st->priv_data; | |
| 9887 | |||
| 9888 |
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|
697 | if (!sc || --sc->refcount) { |
| 9889 | 40 | st->priv_data = NULL; | |
| 9890 | 40 | return; | |
| 9891 | } | ||
| 9892 | |||
| 9893 | 657 | av_freep(&sc->tts_data); | |
| 9894 |
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✓ Branch 1 taken 657 times.
|
1269 | for (int i = 0; i < sc->drefs_count; i++) { |
| 9895 | 612 | av_freep(&sc->drefs[i].path); | |
| 9896 | 612 | av_freep(&sc->drefs[i].dir); | |
| 9897 | } | ||
| 9898 | 657 | av_freep(&sc->drefs); | |
| 9899 | |||
| 9900 | 657 | sc->drefs_count = 0; | |
| 9901 | |||
| 9902 |
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✓ Branch 1 taken 643 times.
|
657 | if (!sc->pb_is_copied) |
| 9903 | 14 | ff_format_io_close(s, &sc->pb); | |
| 9904 | |||
| 9905 | 657 | sc->pb = NULL; | |
| 9906 | 657 | av_freep(&sc->chunk_offsets); | |
| 9907 | 657 | av_freep(&sc->stsc_data); | |
| 9908 | 657 | av_freep(&sc->sample_sizes); | |
| 9909 | 657 | av_freep(&sc->keyframes); | |
| 9910 | 657 | av_freep(&sc->ctts_data); | |
| 9911 | 657 | av_freep(&sc->stts_data); | |
| 9912 | 657 | av_freep(&sc->sdtp_data); | |
| 9913 | 657 | av_freep(&sc->stps_data); | |
| 9914 | 657 | av_freep(&sc->elst_data); | |
| 9915 | 657 | av_freep(&sc->rap_group); | |
| 9916 | 657 | av_freep(&sc->sync_group); | |
| 9917 | 657 | av_freep(&sc->sgpd_sync); | |
| 9918 | 657 | av_freep(&sc->sample_offsets); | |
| 9919 | 657 | av_freep(&sc->open_key_samples); | |
| 9920 | 657 | av_freep(&sc->display_matrix); | |
| 9921 | 657 | av_freep(&sc->index_ranges); | |
| 9922 | |||
| 9923 |
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|
657 | if (sc->extradata) |
| 9924 |
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|
1237 | for (int i = 0; i < sc->stsd_count; i++) |
| 9925 | 625 | av_free(sc->extradata[i]); | |
| 9926 | 657 | av_freep(&sc->extradata); | |
| 9927 | 657 | av_freep(&sc->extradata_size); | |
| 9928 | |||
| 9929 | 657 | mov_free_encryption_index(&sc->cenc.encryption_index); | |
| 9930 | 657 | av_encryption_info_free(sc->cenc.default_encrypted_sample); | |
| 9931 | 657 | av_aes_ctr_free(sc->cenc.aes_ctr); | |
| 9932 | |||
| 9933 | 657 | av_freep(&sc->stereo3d); | |
| 9934 | 657 | av_freep(&sc->spherical); | |
| 9935 | 657 | av_freep(&sc->mastering); | |
| 9936 | 657 | av_freep(&sc->coll); | |
| 9937 | 657 | av_freep(&sc->ambient); | |
| 9938 | |||
| 9939 | #if CONFIG_IAMFDEC | ||
| 9940 |
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|
657 | if (sc->iamf) |
| 9941 | 10 | ff_iamf_read_deinit(sc->iamf); | |
| 9942 | #endif | ||
| 9943 | 657 | av_freep(&sc->iamf); | |
| 9944 | } | ||
| 9945 | |||
| 9946 | 509 | static int mov_read_close(AVFormatContext *s) | |
| 9947 | { | ||
| 9948 | 509 | MOVContext *mov = s->priv_data; | |
| 9949 | int i, j; | ||
| 9950 | |||
| 9951 |
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|
1206 | for (i = 0; i < s->nb_streams; i++) { |
| 9952 | 697 | AVStream *st = s->streams[i]; | |
| 9953 | |||
| 9954 | 697 | mov_free_stream_context(s, st); | |
| 9955 | } | ||
| 9956 | |||
| 9957 | 509 | av_freep(&mov->dv_demux); | |
| 9958 | 509 | avformat_free_context(mov->dv_fctx); | |
| 9959 | 509 | mov->dv_fctx = NULL; | |
| 9960 | |||
| 9961 |
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|
509 | if (mov->meta_keys) { |
| 9962 |
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|
69 | for (i = 1; i < mov->meta_keys_count; i++) { |
| 9963 | 58 | av_freep(&mov->meta_keys[i]); | |
| 9964 | } | ||
| 9965 | 11 | av_freep(&mov->meta_keys); | |
| 9966 | } | ||
| 9967 | |||
| 9968 | 509 | av_freep(&mov->trex_data); | |
| 9969 | 509 | av_freep(&mov->bitrates); | |
| 9970 | |||
| 9971 |
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|
977 | for (i = 0; i < mov->frag_index.nb_items; i++) { |
| 9972 | 468 | MOVFragmentStreamInfo *frag = mov->frag_index.item[i].stream_info; | |
| 9973 |
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|
1032 | for (j = 0; j < mov->frag_index.item[i].nb_stream_info; j++) { |
| 9974 | 564 | mov_free_encryption_index(&frag[j].encryption_index); | |
| 9975 | } | ||
| 9976 | 468 | av_freep(&mov->frag_index.item[i].stream_info); | |
| 9977 | } | ||
| 9978 | 509 | av_freep(&mov->frag_index.item); | |
| 9979 | |||
| 9980 | 509 | av_freep(&mov->aes_decrypt); | |
| 9981 | 509 | av_freep(&mov->chapter_tracks); | |
| 9982 |
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|
551 | for (i = 0; i < mov->nb_heif_item; i++) { |
| 9983 |
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|
42 | if (!mov->heif_item[i]) |
| 9984 | ✗ | continue; | |
| 9985 | 42 | av_freep(&mov->heif_item[i]->name); | |
| 9986 | 42 | av_freep(&mov->heif_item[i]->iref_list); | |
| 9987 | 42 | av_freep(&mov->heif_item[i]->icc_profile); | |
| 9988 | 42 | av_freep(&mov->heif_item[i]); | |
| 9989 | } | ||
| 9990 | 509 | av_freep(&mov->heif_item); | |
| 9991 |
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|
515 | for (i = 0; i < mov->nb_heif_grid; i++) { |
| 9992 | 6 | av_freep(&mov->heif_grid[i].tile_id_list); | |
| 9993 | 6 | av_freep(&mov->heif_grid[i].tile_idx_list); | |
| 9994 | 6 | av_freep(&mov->heif_grid[i].tile_item_list); | |
| 9995 | } | ||
| 9996 | 509 | av_freep(&mov->heif_grid); | |
| 9997 | |||
| 9998 | 509 | return 0; | |
| 9999 | } | ||
| 10000 | |||
| 10001 | 16 | static int tmcd_is_referenced(AVFormatContext *s, int tmcd_id) | |
| 10002 | { | ||
| 10003 | int i; | ||
| 10004 | |||
| 10005 |
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|
26 | for (i = 0; i < s->nb_streams; i++) { |
| 10006 | 24 | AVStream *st = s->streams[i]; | |
| 10007 | 24 | MOVStreamContext *sc = st->priv_data; | |
| 10008 | |||
| 10009 |
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|
24 | if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && |
| 10010 |
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|
16 | sc->timecode_track == tmcd_id) |
| 10011 | 14 | return 1; | |
| 10012 | } | ||
| 10013 | 2 | return 0; | |
| 10014 | } | ||
| 10015 | |||
| 10016 | /* look for a tmcd track not referenced by any video track, and export it globally */ | ||
| 10017 | 509 | static void export_orphan_timecode(AVFormatContext *s) | |
| 10018 | { | ||
| 10019 | int i; | ||
| 10020 | |||
| 10021 |
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|
1201 | for (i = 0; i < s->nb_streams; i++) { |
| 10022 | 694 | AVStream *st = s->streams[i]; | |
| 10023 | |||
| 10024 |
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|
710 | if (st->codecpar->codec_tag == MKTAG('t','m','c','d') && |
| 10025 | 16 | !tmcd_is_referenced(s, i + 1)) { | |
| 10026 | 2 | AVDictionaryEntry *tcr = av_dict_get(st->metadata, "timecode", NULL, 0); | |
| 10027 |
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|
2 | if (tcr) { |
| 10028 | 2 | av_dict_set(&s->metadata, "timecode", tcr->value, 0); | |
| 10029 | 2 | break; | |
| 10030 | } | ||
| 10031 | } | ||
| 10032 | } | ||
| 10033 | 509 | } | |
| 10034 | |||
| 10035 | ✗ | static int read_tfra(MOVContext *mov, AVIOContext *f) | |
| 10036 | { | ||
| 10037 | int version, fieldlength, i, j; | ||
| 10038 | ✗ | int64_t pos = avio_tell(f); | |
| 10039 | ✗ | uint32_t size = avio_rb32(f); | |
| 10040 | unsigned track_id, item_count; | ||
| 10041 | |||
| 10042 | ✗ | if (avio_rb32(f) != MKBETAG('t', 'f', 'r', 'a')) { | |
| 10043 | ✗ | return 1; | |
| 10044 | } | ||
| 10045 | ✗ | av_log(mov->fc, AV_LOG_VERBOSE, "found tfra\n"); | |
| 10046 | |||
| 10047 | ✗ | version = avio_r8(f); | |
| 10048 | ✗ | avio_rb24(f); | |
| 10049 | ✗ | track_id = avio_rb32(f); | |
| 10050 | ✗ | fieldlength = avio_rb32(f); | |
| 10051 | ✗ | item_count = avio_rb32(f); | |
| 10052 | ✗ | for (i = 0; i < item_count; i++) { | |
| 10053 | int64_t time, offset; | ||
| 10054 | int index; | ||
| 10055 | MOVFragmentStreamInfo * frag_stream_info; | ||
| 10056 | |||
| 10057 | ✗ | if (avio_feof(f)) { | |
| 10058 | ✗ | return AVERROR_INVALIDDATA; | |
| 10059 | } | ||
| 10060 | |||
| 10061 | ✗ | if (version == 1) { | |
| 10062 | ✗ | time = avio_rb64(f); | |
| 10063 | ✗ | offset = avio_rb64(f); | |
| 10064 | } else { | ||
| 10065 | ✗ | time = avio_rb32(f); | |
| 10066 | ✗ | offset = avio_rb32(f); | |
| 10067 | } | ||
| 10068 | |||
| 10069 | // The first sample of each stream in a fragment is always a random | ||
| 10070 | // access sample. So it's entry in the tfra can be used as the | ||
| 10071 | // initial PTS of the fragment. | ||
| 10072 | ✗ | index = update_frag_index(mov, offset); | |
| 10073 | ✗ | frag_stream_info = get_frag_stream_info(&mov->frag_index, index, track_id); | |
| 10074 | ✗ | if (frag_stream_info && | |
| 10075 | ✗ | frag_stream_info->first_tfra_pts == AV_NOPTS_VALUE) | |
| 10076 | ✗ | frag_stream_info->first_tfra_pts = time; | |
| 10077 | |||
| 10078 | ✗ | for (j = 0; j < ((fieldlength >> 4) & 3) + 1; j++) | |
| 10079 | ✗ | avio_r8(f); | |
| 10080 | ✗ | for (j = 0; j < ((fieldlength >> 2) & 3) + 1; j++) | |
| 10081 | ✗ | avio_r8(f); | |
| 10082 | ✗ | for (j = 0; j < ((fieldlength >> 0) & 3) + 1; j++) | |
| 10083 | ✗ | avio_r8(f); | |
| 10084 | } | ||
| 10085 | |||
| 10086 | ✗ | avio_seek(f, pos + size, SEEK_SET); | |
| 10087 | ✗ | return 0; | |
| 10088 | } | ||
| 10089 | |||
| 10090 | ✗ | static int mov_read_mfra(MOVContext *c, AVIOContext *f) | |
| 10091 | { | ||
| 10092 | ✗ | int64_t stream_size = avio_size(f); | |
| 10093 | ✗ | int64_t original_pos = avio_tell(f); | |
| 10094 | int64_t seek_ret; | ||
| 10095 | ✗ | int ret = -1; | |
| 10096 | ✗ | if ((seek_ret = avio_seek(f, stream_size - 4, SEEK_SET)) < 0) { | |
| 10097 | ✗ | ret = seek_ret; | |
| 10098 | ✗ | goto fail; | |
| 10099 | } | ||
| 10100 | ✗ | c->mfra_size = avio_rb32(f); | |
| 10101 | ✗ | c->have_read_mfra_size = 1; | |
| 10102 | ✗ | if (!c->mfra_size || c->mfra_size > stream_size) { | |
| 10103 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (unreasonable size)\n"); | |
| 10104 | ✗ | goto fail; | |
| 10105 | } | ||
| 10106 | ✗ | if ((seek_ret = avio_seek(f, -((int64_t) c->mfra_size), SEEK_CUR)) < 0) { | |
| 10107 | ✗ | ret = seek_ret; | |
| 10108 | ✗ | goto fail; | |
| 10109 | } | ||
| 10110 | ✗ | if (avio_rb32(f) != c->mfra_size) { | |
| 10111 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (size mismatch)\n"); | |
| 10112 | ✗ | goto fail; | |
| 10113 | } | ||
| 10114 | ✗ | if (avio_rb32(f) != MKBETAG('m', 'f', 'r', 'a')) { | |
| 10115 | ✗ | av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (tag mismatch)\n"); | |
| 10116 | ✗ | goto fail; | |
| 10117 | } | ||
| 10118 | ✗ | av_log(c->fc, AV_LOG_VERBOSE, "stream has mfra\n"); | |
| 10119 | do { | ||
| 10120 | ✗ | ret = read_tfra(c, f); | |
| 10121 | ✗ | if (ret < 0) | |
| 10122 | ✗ | goto fail; | |
| 10123 | ✗ | } while (!ret); | |
| 10124 | ✗ | ret = 0; | |
| 10125 | ✗ | c->frag_index.complete = 1; | |
| 10126 | ✗ | fail: | |
| 10127 | ✗ | seek_ret = avio_seek(f, original_pos, SEEK_SET); | |
| 10128 | ✗ | if (seek_ret < 0) { | |
| 10129 | ✗ | av_log(c->fc, AV_LOG_ERROR, | |
| 10130 | "failed to seek back after looking for mfra\n"); | ||
| 10131 | ✗ | ret = seek_ret; | |
| 10132 | } | ||
| 10133 | ✗ | return ret; | |
| 10134 | } | ||
| 10135 | |||
| 10136 | ✗ | static int set_icc_profile_from_item(AVPacketSideData **coded_side_data, int *nb_coded_side_data, | |
| 10137 | const HEIFItem *item) | ||
| 10138 | { | ||
| 10139 | ✗ | AVPacketSideData *sd = av_packet_side_data_new(coded_side_data, nb_coded_side_data, | |
| 10140 | AV_PKT_DATA_ICC_PROFILE, | ||
| 10141 | ✗ | item->icc_profile_size, 0); | |
| 10142 | ✗ | if (!sd) | |
| 10143 | ✗ | return AVERROR(ENOMEM); | |
| 10144 | |||
| 10145 | ✗ | memcpy(sd->data, item->icc_profile, item->icc_profile_size); | |
| 10146 | |||
| 10147 | ✗ | return 0; | |
| 10148 | } | ||
| 10149 | |||
| 10150 | 6 | static int set_display_matrix_from_item(AVPacketSideData **coded_side_data, int *nb_coded_side_data, | |
| 10151 | const HEIFItem *item) | ||
| 10152 | { | ||
| 10153 | int32_t *matrix; | ||
| 10154 | 6 | AVPacketSideData *sd = av_packet_side_data_new(coded_side_data, | |
| 10155 | nb_coded_side_data, | ||
| 10156 | AV_PKT_DATA_DISPLAYMATRIX, | ||
| 10157 | 9 * sizeof(*matrix), 0); | ||
| 10158 |
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|
6 | if (!sd) |
| 10159 | ✗ | return AVERROR(ENOMEM); | |
| 10160 | |||
| 10161 | 6 | matrix = (int32_t*)sd->data; | |
| 10162 | /* rotation is in the counter-clockwise direction whereas | ||
| 10163 | * av_display_rotation_set() expects its argument to be | ||
| 10164 | * oriented clockwise, so we need to negate it. */ | ||
| 10165 | 6 | av_display_rotation_set(matrix, -item->rotation); | |
| 10166 | 6 | av_display_matrix_flip(matrix, item->hflip, item->vflip); | |
| 10167 | |||
| 10168 | 6 | return 0; | |
| 10169 | } | ||
| 10170 | |||
| 10171 | 2 | static int read_image_grid(AVFormatContext *s, const HEIFGrid *grid, | |
| 10172 | AVStreamGroupTileGrid *tile_grid) | ||
| 10173 | { | ||
| 10174 | 2 | MOVContext *c = s->priv_data; | |
| 10175 | 2 | const HEIFItem *item = grid->item; | |
| 10176 | 2 | int64_t offset = 0, pos = avio_tell(s->pb); | |
| 10177 | 2 | int x = 0, y = 0, i = 0; | |
| 10178 | int tile_rows, tile_cols; | ||
| 10179 | int flags, size; | ||
| 10180 | |||
| 10181 |
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|
2 | if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL)) { |
| 10182 | ✗ | av_log(c->fc, AV_LOG_INFO, "grid box with non seekable input\n"); | |
| 10183 | ✗ | return AVERROR_PATCHWELCOME; | |
| 10184 | } | ||
| 10185 |
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|
2 | if (item->is_idat_relative) { |
| 10186 |
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|
2 | if (!c->idat_offset) { |
| 10187 | ✗ | av_log(c->fc, AV_LOG_ERROR, "missing idat box required by the image grid\n"); | |
| 10188 | ✗ | return AVERROR_INVALIDDATA; | |
| 10189 | } | ||
| 10190 | 2 | offset = c->idat_offset; | |
| 10191 | } | ||
| 10192 | |||
| 10193 | 2 | avio_seek(s->pb, item->extent_offset + offset, SEEK_SET); | |
| 10194 | |||
| 10195 | 2 | avio_r8(s->pb); /* version */ | |
| 10196 | 2 | flags = avio_r8(s->pb); | |
| 10197 | |||
| 10198 | 2 | tile_rows = avio_r8(s->pb) + 1; | |
| 10199 | 2 | tile_cols = avio_r8(s->pb) + 1; | |
| 10200 | /* actual width and height of output image */ | ||
| 10201 |
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|
2 | tile_grid->width = (flags & 1) ? avio_rb32(s->pb) : avio_rb16(s->pb); |
| 10202 |
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|
2 | tile_grid->height = (flags & 1) ? avio_rb32(s->pb) : avio_rb16(s->pb); |
| 10203 | |||
| 10204 | 2 | av_log(c->fc, AV_LOG_TRACE, "grid: grid_rows %d grid_cols %d output_width %d output_height %d\n", | |
| 10205 | tile_rows, tile_cols, tile_grid->width, tile_grid->height); | ||
| 10206 | |||
| 10207 | 2 | avio_seek(s->pb, pos, SEEK_SET); | |
| 10208 | |||
| 10209 | 2 | size = tile_rows * tile_cols; | |
| 10210 | 2 | tile_grid->nb_tiles = grid->nb_tiles; | |
| 10211 | |||
| 10212 |
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|
2 | if (tile_grid->nb_tiles != size) |
| 10213 | ✗ | return AVERROR_INVALIDDATA; | |
| 10214 | |||
| 10215 |
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|
6 | for (int i = 0; i < tile_cols; i++) |
| 10216 | 4 | tile_grid->coded_width += grid->tile_item_list[i]->width; | |
| 10217 |
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|
6 | for (int i = 0; i < size; i += tile_cols) |
| 10218 | 4 | tile_grid->coded_height += grid->tile_item_list[i]->height; | |
| 10219 | |||
| 10220 | 2 | tile_grid->offsets = av_calloc(tile_grid->nb_tiles, sizeof(*tile_grid->offsets)); | |
| 10221 |
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|
2 | if (!tile_grid->offsets) |
| 10222 | ✗ | return AVERROR(ENOMEM); | |
| 10223 | |||
| 10224 |
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|
6 | while (y < tile_grid->coded_height) { |
| 10225 | 4 | int left_col = i; | |
| 10226 | |||
| 10227 |
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|
12 | while (x < tile_grid->coded_width) { |
| 10228 |
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|
8 | if (i == tile_grid->nb_tiles) |
| 10229 | ✗ | return AVERROR_INVALIDDATA; | |
| 10230 | |||
| 10231 | 8 | tile_grid->offsets[i].idx = grid->tile_idx_list[i]; | |
| 10232 | 8 | tile_grid->offsets[i].horizontal = x; | |
| 10233 | 8 | tile_grid->offsets[i].vertical = y; | |
| 10234 | |||
| 10235 | 8 | x += grid->tile_item_list[i++]->width; | |
| 10236 | } | ||
| 10237 | |||
| 10238 |
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|
4 | if (x > tile_grid->coded_width) { |
| 10239 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Non uniform HEIF tiles\n"); | |
| 10240 | ✗ | return AVERROR_INVALIDDATA; | |
| 10241 | } | ||
| 10242 | |||
| 10243 | 4 | x = 0; | |
| 10244 | 4 | y += grid->tile_item_list[left_col]->height; | |
| 10245 | } | ||
| 10246 | |||
| 10247 |
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|
2 | if (y > tile_grid->coded_height || i != tile_grid->nb_tiles) { |
| 10248 | ✗ | av_log(c->fc, AV_LOG_ERROR, "Non uniform HEIF tiles\n"); | |
| 10249 | ✗ | return AVERROR_INVALIDDATA; | |
| 10250 | } | ||
| 10251 | |||
| 10252 | 2 | return 0; | |
| 10253 | } | ||
| 10254 | |||
| 10255 | 4 | static int read_image_iovl(AVFormatContext *s, const HEIFGrid *grid, | |
| 10256 | AVStreamGroupTileGrid *tile_grid) | ||
| 10257 | { | ||
| 10258 | 4 | MOVContext *c = s->priv_data; | |
| 10259 | 4 | const HEIFItem *item = grid->item; | |
| 10260 | uint16_t canvas_fill_value[4]; | ||
| 10261 | 4 | int64_t offset = 0, pos = avio_tell(s->pb); | |
| 10262 | 4 | int ret = 0, flags; | |
| 10263 | |||
| 10264 |
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|
4 | if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL)) { |
| 10265 | ✗ | av_log(c->fc, AV_LOG_INFO, "iovl box with non seekable input\n"); | |
| 10266 | ✗ | return AVERROR_PATCHWELCOME; | |
| 10267 | } | ||
| 10268 |
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|
4 | if (item->is_idat_relative) { |
| 10269 |
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|
4 | if (!c->idat_offset) { |
| 10270 | ✗ | av_log(c->fc, AV_LOG_ERROR, "missing idat box required by the image overlay\n"); | |
| 10271 | ✗ | return AVERROR_INVALIDDATA; | |
| 10272 | } | ||
| 10273 | 4 | offset = c->idat_offset; | |
| 10274 | } | ||
| 10275 | |||
| 10276 | 4 | avio_seek(s->pb, item->extent_offset + offset, SEEK_SET); | |
| 10277 | |||
| 10278 | 4 | avio_r8(s->pb); /* version */ | |
| 10279 | 4 | flags = avio_r8(s->pb); | |
| 10280 | |||
| 10281 |
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|
20 | for (int i = 0; i < 4; i++) |
| 10282 | 16 | canvas_fill_value[i] = avio_rb16(s->pb); | |
| 10283 | 4 | av_log(c->fc, AV_LOG_TRACE, "iovl: canvas_fill_value { %u, %u, %u, %u }\n", | |
| 10284 | 4 | canvas_fill_value[0], canvas_fill_value[1], | |
| 10285 | 4 | canvas_fill_value[2], canvas_fill_value[3]); | |
| 10286 |
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|
20 | for (int i = 0; i < 4; i++) |
| 10287 | 16 | tile_grid->background[i] = canvas_fill_value[i]; | |
| 10288 | |||
| 10289 | /* actual width and height of output image */ | ||
| 10290 | 4 | tile_grid->width = | |
| 10291 |
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|
4 | tile_grid->coded_width = (flags & 1) ? avio_rb32(s->pb) : avio_rb16(s->pb); |
| 10292 | 4 | tile_grid->height = | |
| 10293 |
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|
4 | tile_grid->coded_height = (flags & 1) ? avio_rb32(s->pb) : avio_rb16(s->pb); |
| 10294 | |||
| 10295 | 4 | av_log(c->fc, AV_LOG_TRACE, "iovl: output_width %d, output_height %d\n", | |
| 10296 | tile_grid->width, tile_grid->height); | ||
| 10297 | |||
| 10298 | 4 | tile_grid->nb_tiles = grid->nb_tiles; | |
| 10299 | 4 | tile_grid->offsets = av_malloc_array(tile_grid->nb_tiles, sizeof(*tile_grid->offsets)); | |
| 10300 |
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|
4 | if (!tile_grid->offsets) { |
| 10301 | ✗ | ret = AVERROR(ENOMEM); | |
| 10302 | ✗ | goto fail; | |
| 10303 | } | ||
| 10304 | |||
| 10305 |
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|
12 | for (int i = 0; i < tile_grid->nb_tiles; i++) { |
| 10306 | 8 | tile_grid->offsets[i].idx = grid->tile_idx_list[i]; | |
| 10307 |
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|
8 | tile_grid->offsets[i].horizontal = (flags & 1) ? avio_rb32(s->pb) : avio_rb16(s->pb); |
| 10308 |
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|
8 | tile_grid->offsets[i].vertical = (flags & 1) ? avio_rb32(s->pb) : avio_rb16(s->pb); |
| 10309 | 8 | av_log(c->fc, AV_LOG_TRACE, "iovl: stream_idx[%d] %u, " | |
| 10310 | "horizontal_offset[%d] %d, vertical_offset[%d] %d\n", | ||
| 10311 | 8 | i, tile_grid->offsets[i].idx, | |
| 10312 | 8 | i, tile_grid->offsets[i].horizontal, i, tile_grid->offsets[i].vertical); | |
| 10313 | } | ||
| 10314 | |||
| 10315 | 4 | fail: | |
| 10316 | 4 | avio_seek(s->pb, pos, SEEK_SET); | |
| 10317 | |||
| 10318 | 4 | return ret; | |
| 10319 | } | ||
| 10320 | |||
| 10321 | 2 | static int mov_parse_exif_item(AVFormatContext *s, | |
| 10322 | AVPacketSideData **coded_side_data, int *nb_coded_side_data, | ||
| 10323 | const HEIFItem *ref) | ||
| 10324 | { | ||
| 10325 | 2 | MOVContext *c = s->priv_data; | |
| 10326 | AVPacketSideData *sd; | ||
| 10327 | 2 | AVExifMetadata ifd = { 0 }; | |
| 10328 | AVBufferRef *buf; | ||
| 10329 | 2 | int64_t offset = 0, pos = avio_tell(s->pb); | |
| 10330 | 2 | unsigned orientation_id = av_exif_get_tag_id("Orientation"); | |
| 10331 | int err; | ||
| 10332 | |||
| 10333 |
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|
2 | if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL)) { |
| 10334 | ✗ | av_log(c->fc, AV_LOG_WARNING, "Exif metadata with non seekable input\n"); | |
| 10335 | ✗ | return AVERROR_PATCHWELCOME; | |
| 10336 | } | ||
| 10337 |
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|
2 | if (ref->is_idat_relative) { |
| 10338 | ✗ | if (!c->idat_offset) { | |
| 10339 | ✗ | av_log(c->fc, AV_LOG_ERROR, "missing idat box required by the Exif metadata\n"); | |
| 10340 | ✗ | return AVERROR_INVALIDDATA; | |
| 10341 | } | ||
| 10342 | ✗ | offset = c->idat_offset; | |
| 10343 | } | ||
| 10344 | |||
| 10345 | 2 | buf = av_buffer_alloc(ref->extent_length); | |
| 10346 |
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|
2 | if (!buf) |
| 10347 | ✗ | return AVERROR(ENOMEM); | |
| 10348 | |||
| 10349 | 2 | avio_seek(s->pb, ref->extent_offset + offset, SEEK_SET); | |
| 10350 | 2 | err = avio_read(s->pb, buf->data, ref->extent_length); | |
| 10351 |
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|
2 | if (err != ref->extent_length) { |
| 10352 | ✗ | if (err > 0) | |
| 10353 | ✗ | err = AVERROR_INVALIDDATA; | |
| 10354 | ✗ | goto fail; | |
| 10355 | } | ||
| 10356 | |||
| 10357 | // HEIF spec states that Exif metadata is informative. The irot item property is | ||
| 10358 | // the normative source of rotation information. So we remove any Orientation tag | ||
| 10359 | // present in the Exif buffer. | ||
| 10360 | 2 | err = av_exif_parse_buffer(s, buf->data, ref->extent_length, &ifd, AV_EXIF_T_OFF); | |
| 10361 |
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|
2 | if (err < 0) { |
| 10362 | ✗ | av_log(s, AV_LOG_ERROR, "Unable to parse Exif metadata\n"); | |
| 10363 | ✗ | goto fail; | |
| 10364 | } | ||
| 10365 | |||
| 10366 | 2 | err = av_exif_remove_entry(s, &ifd, orientation_id, 0); | |
| 10367 |
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|
2 | if (err < 0) |
| 10368 | ✗ | goto fail; | |
| 10369 |
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|
2 | else if (!err) |
| 10370 | ✗ | goto finish; | |
| 10371 | |||
| 10372 | 2 | av_buffer_unref(&buf); | |
| 10373 | 2 | err = av_exif_write(s, &ifd, &buf, AV_EXIF_T_OFF); | |
| 10374 |
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|
2 | if (err < 0) |
| 10375 | ✗ | goto fail; | |
| 10376 | |||
| 10377 | 2 | finish: | |
| 10378 | 2 | offset = AV_RB32(buf->data) + 4; | |
| 10379 |
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|
2 | if (offset >= buf->size) { |
| 10380 | ✗ | err = AVERROR_INVALIDDATA; | |
| 10381 | ✗ | goto fail; | |
| 10382 | } | ||
| 10383 | 2 | sd = av_packet_side_data_new(coded_side_data, nb_coded_side_data, | |
| 10384 | 2 | AV_PKT_DATA_EXIF, buf->size - offset, 0); | |
| 10385 |
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|
2 | if (!sd) { |
| 10386 | ✗ | err = AVERROR(ENOMEM); | |
| 10387 | ✗ | goto fail; | |
| 10388 | } | ||
| 10389 | 2 | memcpy(sd->data, buf->data + offset, buf->size - offset); | |
| 10390 | |||
| 10391 | 2 | err = 0; | |
| 10392 | 2 | fail: | |
| 10393 | 2 | av_buffer_unref(&buf); | |
| 10394 | 2 | av_exif_free(&ifd); | |
| 10395 | 2 | avio_seek(s->pb, pos, SEEK_SET); | |
| 10396 | |||
| 10397 | 2 | return err; | |
| 10398 | } | ||
| 10399 | |||
| 10400 | 6 | static int mov_parse_tiles(AVFormatContext *s) | |
| 10401 | { | ||
| 10402 | 6 | MOVContext *mov = s->priv_data; | |
| 10403 | |||
| 10404 |
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|
12 | for (int i = 0; i < mov->nb_heif_grid; i++) { |
| 10405 | 6 | AVStreamGroup *stg = avformat_stream_group_create(s, AV_STREAM_GROUP_PARAMS_TILE_GRID, NULL); | |
| 10406 | AVStreamGroupTileGrid *tile_grid; | ||
| 10407 | 6 | const HEIFGrid *grid = &mov->heif_grid[i]; | |
| 10408 | 6 | int err, loop = 1; | |
| 10409 | |||
| 10410 |
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|
6 | if (!stg) |
| 10411 | ✗ | return AVERROR(ENOMEM); | |
| 10412 | |||
| 10413 | 6 | stg->id = grid->item->item_id; | |
| 10414 | 6 | tile_grid = stg->params.tile_grid; | |
| 10415 | |||
| 10416 |
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|
22 | for (int j = 0; j < grid->nb_tiles; j++) { |
| 10417 | 16 | int tile_id = grid->tile_id_list[j]; | |
| 10418 | int k; | ||
| 10419 | |||
| 10420 |
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|
30 | for (k = 0; k < mov->nb_heif_item; k++) { |
| 10421 | 30 | HEIFItem *item = mov->heif_item[k]; | |
| 10422 | AVStream *st; | ||
| 10423 | |||
| 10424 |
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|
30 | if (!item || item->item_id != tile_id) |
| 10425 | 14 | continue; | |
| 10426 | 16 | st = item->st; | |
| 10427 |
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|
16 | if (!st) { |
| 10428 | ✗ | av_log(s, AV_LOG_WARNING, "HEIF item id %d from grid id %d doesn't " | |
| 10429 | "reference a stream\n", | ||
| 10430 | ✗ | tile_id, grid->item->item_id); | |
| 10431 | ✗ | ff_remove_stream_group(s, stg); | |
| 10432 | ✗ | loop = 0; | |
| 10433 | ✗ | break; | |
| 10434 | } | ||
| 10435 | |||
| 10436 | 16 | grid->tile_item_list[j] = item; | |
| 10437 | 16 | grid->tile_idx_list[j] = stg->nb_streams; | |
| 10438 | |||
| 10439 | 16 | err = avformat_stream_group_add_stream(stg, st); | |
| 10440 |
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|
16 | if (err < 0) { |
| 10441 | int l; | ||
| 10442 |
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|
2 | if (err != AVERROR(EEXIST)) |
| 10443 | ✗ | return err; | |
| 10444 | |||
| 10445 |
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|
2 | for (l = 0; l < stg->nb_streams; l++) |
| 10446 |
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|
2 | if (stg->streams[l]->index == st->index) |
| 10447 | 2 | break; | |
| 10448 |
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|
2 | av_assert0(l < stg->nb_streams); |
| 10449 | 2 | grid->tile_idx_list[j] = l; | |
| 10450 | } | ||
| 10451 | |||
| 10452 |
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|
16 | if (item->item_id != mov->primary_item_id) |
| 10453 | 10 | st->disposition |= AV_DISPOSITION_DEPENDENT; | |
| 10454 | 16 | break; | |
| 10455 | } | ||
| 10456 | |||
| 10457 |
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|
16 | if (k == mov->nb_heif_item) { |
| 10458 | ✗ | av_assert0(loop); | |
| 10459 | ✗ | av_log(s, AV_LOG_WARNING, "HEIF item id %d referenced by grid id %d doesn't " | |
| 10460 | "exist\n", | ||
| 10461 | ✗ | tile_id, grid->item->item_id); | |
| 10462 | ✗ | ff_remove_stream_group(s, stg); | |
| 10463 | ✗ | loop = 0; | |
| 10464 | } | ||
| 10465 |
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|
16 | if (!loop) |
| 10466 | ✗ | break; | |
| 10467 | } | ||
| 10468 | |||
| 10469 |
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|
6 | if (!loop) |
| 10470 | ✗ | continue; | |
| 10471 | |||
| 10472 |
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|
6 | switch (grid->item->type) { |
| 10473 | 2 | case MKTAG('g','r','i','d'): | |
| 10474 | 2 | err = read_image_grid(s, grid, tile_grid); | |
| 10475 | 2 | break; | |
| 10476 | 4 | case MKTAG('i','o','v','l'): | |
| 10477 | 4 | err = read_image_iovl(s, grid, tile_grid); | |
| 10478 | 4 | break; | |
| 10479 | ✗ | default: | |
| 10480 | ✗ | av_assert0(0); | |
| 10481 | } | ||
| 10482 |
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|
6 | if (err < 0) |
| 10483 | ✗ | return err; | |
| 10484 | |||
| 10485 |
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|
6 | for (int j = 0; j < grid->item->nb_iref_list; j++) { |
| 10486 | ✗ | HEIFItem *ref = get_heif_item(mov, grid->item->iref_list[j].item_id); | |
| 10487 | |||
| 10488 | ✗ | av_assert0(ref); | |
| 10489 | ✗ | switch(ref->type) { | |
| 10490 | ✗ | case MKTAG('E','x','i','f'): | |
| 10491 | ✗ | err = mov_parse_exif_item(s, &tile_grid->coded_side_data, | |
| 10492 | &tile_grid->nb_coded_side_data, ref); | ||
| 10493 | ✗ | if (err < 0 && (s->error_recognition & AV_EF_EXPLODE)) | |
| 10494 | ✗ | return err; | |
| 10495 | ✗ | break; | |
| 10496 | ✗ | default: | |
| 10497 | ✗ | break; | |
| 10498 | } | ||
| 10499 | } | ||
| 10500 | |||
| 10501 | /* rotation */ | ||
| 10502 |
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|
6 | if (grid->item->rotation || grid->item->hflip || grid->item->vflip) { |
| 10503 | ✗ | err = set_display_matrix_from_item(&tile_grid->coded_side_data, | |
| 10504 | ✗ | &tile_grid->nb_coded_side_data, grid->item); | |
| 10505 | ✗ | if (err < 0) | |
| 10506 | ✗ | return err; | |
| 10507 | } | ||
| 10508 | |||
| 10509 | /* ICC profile */ | ||
| 10510 |
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|
6 | if (grid->item->icc_profile_size) { |
| 10511 | ✗ | err = set_icc_profile_from_item(&tile_grid->coded_side_data, | |
| 10512 | ✗ | &tile_grid->nb_coded_side_data, grid->item); | |
| 10513 | ✗ | if (err < 0) | |
| 10514 | ✗ | return err; | |
| 10515 | } | ||
| 10516 | |||
| 10517 |
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|
6 | if (grid->item->name) |
| 10518 | 6 | av_dict_set(&stg->metadata, "title", grid->item->name, 0); | |
| 10519 |
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|
6 | if (grid->item->item_id == mov->primary_item_id) |
| 10520 | 2 | stg->disposition |= AV_DISPOSITION_DEFAULT; | |
| 10521 | } | ||
| 10522 | |||
| 10523 | 6 | return 0; | |
| 10524 | } | ||
| 10525 | |||
| 10526 | 15 | static int mov_parse_heif_items(AVFormatContext *s) | |
| 10527 | { | ||
| 10528 | 15 | MOVContext *mov = s->priv_data; | |
| 10529 | int err; | ||
| 10530 | |||
| 10531 |
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|
57 | for (int i = 0; i < mov->nb_heif_item; i++) { |
| 10532 | 42 | HEIFItem *item = mov->heif_item[i]; | |
| 10533 | MOVStreamContext *sc; | ||
| 10534 | AVStream *st; | ||
| 10535 | 42 | int64_t offset = 0; | |
| 10536 | |||
| 10537 |
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|
42 | if (!item) |
| 10538 | ✗ | continue; | |
| 10539 |
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|
42 | if (!item->st) { |
| 10540 | 11 | continue; | |
| 10541 | } | ||
| 10542 |
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|
31 | if (item->is_idat_relative) { |
| 10543 | ✗ | if (!mov->idat_offset) { | |
| 10544 | ✗ | av_log(s, AV_LOG_ERROR, "Missing idat box for item %d\n", item->item_id); | |
| 10545 | ✗ | return AVERROR_INVALIDDATA; | |
| 10546 | } | ||
| 10547 | ✗ | offset = mov->idat_offset; | |
| 10548 | } | ||
| 10549 | |||
| 10550 | 31 | st = item->st; | |
| 10551 | 31 | sc = st->priv_data; | |
| 10552 | 31 | st->codecpar->width = item->width; | |
| 10553 | 31 | st->codecpar->height = item->height; | |
| 10554 | |||
| 10555 | 31 | sc->sample_size = sc->stsz_sample_size = item->extent_length; | |
| 10556 | 31 | sc->sample_count = 1; | |
| 10557 | |||
| 10558 | 31 | err = sanity_checks(s, sc, st->index); | |
| 10559 |
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|
31 | if (err) |
| 10560 | ✗ | return AVERROR_INVALIDDATA; | |
| 10561 | |||
| 10562 | 31 | sc->chunk_offsets[0] = item->extent_offset + offset; | |
| 10563 | |||
| 10564 |
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|
31 | if (item->item_id == mov->primary_item_id) |
| 10565 | 13 | st->disposition |= AV_DISPOSITION_DEFAULT; | |
| 10566 | |||
| 10567 |
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|
42 | for (int j = 0; j < item->nb_iref_list; j++) { |
| 10568 | 11 | HEIFItem *ref = get_heif_item(mov, item->iref_list[j].item_id); | |
| 10569 | |||
| 10570 |
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|
11 | av_assert0(ref); |
| 10571 |
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|
11 | switch(ref->type) { |
| 10572 | 2 | case MKTAG('E','x','i','f'): | |
| 10573 | 2 | err = mov_parse_exif_item(s, &st->codecpar->coded_side_data, | |
| 10574 | 2 | &st->codecpar->nb_coded_side_data, ref); | |
| 10575 |
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|
2 | if (err < 0 && (s->error_recognition & AV_EF_EXPLODE)) |
| 10576 | ✗ | return err; | |
| 10577 | 2 | break; | |
| 10578 | 9 | default: | |
| 10579 | 9 | break; | |
| 10580 | } | ||
| 10581 | } | ||
| 10582 | |||
| 10583 |
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|
31 | if (item->rotation || item->hflip || item->vflip) { |
| 10584 | 6 | err = set_display_matrix_from_item(&st->codecpar->coded_side_data, | |
| 10585 | 6 | &st->codecpar->nb_coded_side_data, item); | |
| 10586 |
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|
6 | if (err < 0) |
| 10587 | ✗ | return err; | |
| 10588 | } | ||
| 10589 | |||
| 10590 | 31 | mov_build_index(mov, st); | |
| 10591 | } | ||
| 10592 | |||
| 10593 |
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|
15 | if (mov->nb_heif_grid) { |
| 10594 | 6 | err = mov_parse_tiles(s); | |
| 10595 |
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|
6 | if (err < 0) |
| 10596 | ✗ | return err; | |
| 10597 | } | ||
| 10598 | |||
| 10599 | 15 | return 0; | |
| 10600 | } | ||
| 10601 | |||
| 10602 | ✗ | static AVStream *mov_find_reference_track(AVFormatContext *s, AVStream *st, | |
| 10603 | int first_index) | ||
| 10604 | { | ||
| 10605 | ✗ | MOVStreamContext *sc = st->priv_data; | |
| 10606 | |||
| 10607 | ✗ | if (sc->tref_id < 0) | |
| 10608 | ✗ | return NULL; | |
| 10609 | |||
| 10610 | ✗ | for (int i = first_index; i < s->nb_streams; i++) | |
| 10611 | ✗ | if (s->streams[i]->id == sc->tref_id) | |
| 10612 | ✗ | return s->streams[i]; | |
| 10613 | |||
| 10614 | ✗ | return NULL; | |
| 10615 | } | ||
| 10616 | |||
| 10617 | 509 | static int mov_parse_lcevc_streams(AVFormatContext *s) | |
| 10618 | { | ||
| 10619 | int err; | ||
| 10620 | |||
| 10621 |
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|
1206 | for (int i = 0; i < s->nb_streams; i++) { |
| 10622 | AVStreamGroup *stg; | ||
| 10623 | 697 | AVStream *st = s->streams[i]; | |
| 10624 | AVStream *st_base; | ||
| 10625 | 697 | MOVStreamContext *sc = st->priv_data; | |
| 10626 | 697 | int j = 0; | |
| 10627 | |||
| 10628 | /* Find an enhancement stream. */ | ||
| 10629 |
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|
697 | if (st->codecpar->codec_id != AV_CODEC_ID_LCEVC || |
| 10630 | ✗ | !(sc->tref_flags & MOV_TREF_FLAG_ENHANCEMENT)) | |
| 10631 | 697 | continue; | |
| 10632 | |||
| 10633 | ✗ | st->codecpar->codec_type = AVMEDIA_TYPE_DATA; | |
| 10634 | |||
| 10635 | ✗ | stg = avformat_stream_group_create(s, AV_STREAM_GROUP_PARAMS_LCEVC, NULL); | |
| 10636 | ✗ | if (!stg) | |
| 10637 | ✗ | return AVERROR(ENOMEM); | |
| 10638 | |||
| 10639 | ✗ | stg->id = st->id; | |
| 10640 | ✗ | stg->params.lcevc->width = st->codecpar->width; | |
| 10641 | ✗ | stg->params.lcevc->height = st->codecpar->height; | |
| 10642 | ✗ | st->codecpar->width = 0; | |
| 10643 | ✗ | st->codecpar->height = 0; | |
| 10644 | |||
| 10645 | ✗ | while (st_base = mov_find_reference_track(s, st, j)) { | |
| 10646 | ✗ | err = avformat_stream_group_add_stream(stg, st_base); | |
| 10647 | ✗ | if (err < 0) | |
| 10648 | ✗ | return err; | |
| 10649 | |||
| 10650 | ✗ | j = st_base->index + 1; | |
| 10651 | } | ||
| 10652 | ✗ | if (!j) { | |
| 10653 | ✗ | av_log(s, AV_LOG_ERROR, "Failed to find base stream for enhancement stream\n"); | |
| 10654 | ✗ | return AVERROR_INVALIDDATA; | |
| 10655 | } | ||
| 10656 | |||
| 10657 | ✗ | err = avformat_stream_group_add_stream(stg, st); | |
| 10658 | ✗ | if (err < 0) | |
| 10659 | ✗ | return err; | |
| 10660 | |||
| 10661 | ✗ | stg->params.lcevc->lcevc_index = stg->nb_streams - 1; | |
| 10662 | } | ||
| 10663 | |||
| 10664 | 509 | return 0; | |
| 10665 | } | ||
| 10666 | |||
| 10667 | 509 | static void fix_stream_ids(AVFormatContext *s) | |
| 10668 | { | ||
| 10669 | 509 | int highest_id = 0; | |
| 10670 | |||
| 10671 |
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|
1206 | for (int i = 0; i < s->nb_streams; i++) { |
| 10672 | 697 | const AVStream *st = s->streams[i]; | |
| 10673 | 697 | const MOVStreamContext *sc = st->priv_data; | |
| 10674 |
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|
697 | if (!sc->iamf) |
| 10675 | 647 | highest_id = FFMAX(highest_id, st->id); | |
| 10676 | } | ||
| 10677 | 509 | highest_id += !highest_id; | |
| 10678 |
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|
519 | for (int i = 0; highest_id > 1 && i < s->nb_stream_groups; i++) { |
| 10679 | 10 | AVStreamGroup *stg = s->stream_groups[i]; | |
| 10680 |
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|
10 | if (stg->type != AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT) |
| 10681 | 8 | continue; | |
| 10682 |
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|
16 | for (int j = 0; j < stg->nb_streams; j++) { |
| 10683 | 14 | AVStream *st = stg->streams[j]; | |
| 10684 | 14 | MOVStreamContext *sc = st->priv_data; | |
| 10685 | 14 | st->id += highest_id; | |
| 10686 | 14 | sc->iamf_stream_offset = highest_id; | |
| 10687 | } | ||
| 10688 | } | ||
| 10689 | 509 | } | |
| 10690 | |||
| 10691 | 509 | static int mov_read_header(AVFormatContext *s) | |
| 10692 | { | ||
| 10693 | 509 | MOVContext *mov = s->priv_data; | |
| 10694 | 509 | AVIOContext *pb = s->pb; | |
| 10695 | int j, err; | ||
| 10696 | 509 | MOVAtom atom = { AV_RL32("root") }; | |
| 10697 | int i; | ||
| 10698 | |||
| 10699 |
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|
509 | if (mov->decryption_key_len != 0 && mov->decryption_key_len != AES_CTR_KEY_SIZE) { |
| 10700 | ✗ | av_log(s, AV_LOG_ERROR, "Invalid decryption key len %d expected %d\n", | |
| 10701 | mov->decryption_key_len, AES_CTR_KEY_SIZE); | ||
| 10702 | ✗ | return AVERROR(EINVAL); | |
| 10703 | } | ||
| 10704 | |||
| 10705 | 509 | mov->fc = s; | |
| 10706 | 509 | mov->trak_index = -1; | |
| 10707 | 509 | mov->primary_item_id = -1; | |
| 10708 | 509 | mov->cur_item_id = -1; | |
| 10709 | /* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */ | ||
| 10710 |
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|
509 | if (pb->seekable & AVIO_SEEKABLE_NORMAL) |
| 10711 | 508 | atom.size = avio_size(pb); | |
| 10712 | else | ||
| 10713 | 1 | atom.size = INT64_MAX; | |
| 10714 | |||
| 10715 | /* check MOV header */ | ||
| 10716 | do { | ||
| 10717 |
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|
509 | if (mov->moov_retry) |
| 10718 | ✗ | avio_seek(pb, 0, SEEK_SET); | |
| 10719 |
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|
509 | if ((err = mov_read_default(mov, pb, atom)) < 0) { |
| 10720 | ✗ | av_log(s, AV_LOG_ERROR, "error reading header\n"); | |
| 10721 | ✗ | return err; | |
| 10722 | } | ||
| 10723 | 1017 | } while ((pb->seekable & AVIO_SEEKABLE_NORMAL) && | |
| 10724 |
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|
509 | !mov->found_moov && (!mov->found_iloc || !mov->found_iinf) && !mov->moov_retry++); |
| 10725 |
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|
509 | if (!mov->found_moov && !mov->found_iloc && !mov->found_iinf) { |
| 10726 | ✗ | av_log(s, AV_LOG_ERROR, "moov atom not found\n"); | |
| 10727 | ✗ | return AVERROR_INVALIDDATA; | |
| 10728 | } | ||
| 10729 | 509 | av_log(mov->fc, AV_LOG_TRACE, "on_parse_exit_offset=%"PRId64"\n", avio_tell(pb)); | |
| 10730 | |||
| 10731 |
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|
509 | if (mov->found_iloc && mov->found_iinf) { |
| 10732 | 15 | err = mov_parse_heif_items(s); | |
| 10733 |
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|
15 | if (err < 0) |
| 10734 | ✗ | return err; | |
| 10735 | } | ||
| 10736 | // prevent iloc and iinf boxes from being parsed while reading packets. | ||
| 10737 | // this is needed because an iinf box may have been parsed but ignored | ||
| 10738 | // for having old infe boxes which create no streams. | ||
| 10739 | 509 | mov->found_iloc = mov->found_iinf = 1; | |
| 10740 | |||
| 10741 |
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|
509 | if (pb->seekable & AVIO_SEEKABLE_NORMAL) { |
| 10742 |
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|
508 | if (mov->nb_chapter_tracks > 0 && !mov->ignore_chapters) |
| 10743 | 2 | mov_read_chapters(s); | |
| 10744 |
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|
1204 | for (i = 0; i < s->nb_streams; i++) |
| 10745 |
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|
696 | if (s->streams[i]->codecpar->codec_tag == AV_RL32("tmcd")) { |
| 10746 | 19 | mov_read_timecode_track(s, s->streams[i]); | |
| 10747 |
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|
677 | } else if (s->streams[i]->codecpar->codec_tag == AV_RL32("rtmd")) { |
| 10748 | ✗ | mov_read_rtmd_track(s, s->streams[i]); | |
| 10749 | } | ||
| 10750 | } | ||
| 10751 | |||
| 10752 | /* copy timecode metadata from tmcd tracks to the related video streams */ | ||
| 10753 |
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|
1206 | for (i = 0; i < s->nb_streams; i++) { |
| 10754 | 697 | AVStream *st = s->streams[i]; | |
| 10755 | 697 | MOVStreamContext *sc = st->priv_data; | |
| 10756 |
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|
697 | if (sc->timecode_track > 0) { |
| 10757 | AVDictionaryEntry *tcr; | ||
| 10758 | 18 | int tmcd_st_id = -1; | |
| 10759 | |||
| 10760 |
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|
66 | for (j = 0; j < s->nb_streams; j++) { |
| 10761 | 48 | MOVStreamContext *sc2 = s->streams[j]->priv_data; | |
| 10762 |
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|
48 | if (sc2->id == sc->timecode_track) |
| 10763 | 18 | tmcd_st_id = j; | |
| 10764 | } | ||
| 10765 | |||
| 10766 |
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|
18 | if (tmcd_st_id < 0 || tmcd_st_id == i) |
| 10767 | ✗ | continue; | |
| 10768 | 18 | tcr = av_dict_get(s->streams[tmcd_st_id]->metadata, "timecode", NULL, 0); | |
| 10769 |
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|
18 | if (tcr) |
| 10770 | 16 | av_dict_set(&st->metadata, "timecode", tcr->value, 0); | |
| 10771 | } | ||
| 10772 | } | ||
| 10773 | 509 | export_orphan_timecode(s); | |
| 10774 | |||
| 10775 | /* Create LCEVC stream groups. */ | ||
| 10776 | 509 | err = mov_parse_lcevc_streams(s); | |
| 10777 |
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|
509 | if (err < 0) |
| 10778 | ✗ | return err; | |
| 10779 | |||
| 10780 |
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|
1206 | for (i = 0; i < s->nb_streams; i++) { |
| 10781 | 697 | AVStream *st = s->streams[i]; | |
| 10782 | 697 | FFStream *const sti = ffstream(st); | |
| 10783 | 697 | MOVStreamContext *sc = st->priv_data; | |
| 10784 | 697 | uint32_t dvdsub_clut[FF_DVDCLUT_CLUT_LEN] = {0}; | |
| 10785 | 697 | fix_timescale(mov, sc); | |
| 10786 | |||
| 10787 | /* Set the primary extradata based on the first Sample if it doesn't reference the first stsd entry. */ | ||
| 10788 |
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|
697 | if (sc->stsc_count && sc->extradata_size && !sc->iamf && |
| 10789 |
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|
577 | sc->stsc_data[0].id > 1 && sc->stsc_data[0].id <= sc->stsd_count) { |
| 10790 | 3 | sc->last_stsd_index = sc->stsc_data[0].id - 1; | |
| 10791 | 3 | av_freep(&st->codecpar->extradata); | |
| 10792 | 3 | st->codecpar->extradata_size = sc->extradata_size[sc->last_stsd_index]; | |
| 10793 |
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|
3 | if (sc->extradata_size[sc->last_stsd_index]) { |
| 10794 | 3 | st->codecpar->extradata = av_mallocz(sc->extradata_size[sc->last_stsd_index] + AV_INPUT_BUFFER_PADDING_SIZE); | |
| 10795 |
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|
3 | if (!st->codecpar->extradata) |
| 10796 | ✗ | return AVERROR(ENOMEM); | |
| 10797 | 3 | memcpy(st->codecpar->extradata, sc->extradata[sc->last_stsd_index], sc->extradata_size[sc->last_stsd_index]); | |
| 10798 | } | ||
| 10799 | } | ||
| 10800 | |||
| 10801 |
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|
697 | if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && |
| 10802 |
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|
283 | st->codecpar->codec_id == AV_CODEC_ID_AAC) { |
| 10803 | 118 | sti->skip_samples = sc->start_pad; | |
| 10804 | } | ||
| 10805 |
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|
697 | if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && sc->nb_frames_for_fps > 0 && sc->duration_for_fps > 0) |
| 10806 | 314 | av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den, | |
| 10807 | 314 | sc->time_scale*(int64_t)sc->nb_frames_for_fps, sc->duration_for_fps, INT_MAX); | |
| 10808 |
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|
697 | if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
| 10809 |
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|
12 | if (st->codecpar->width <= 0 || st->codecpar->height <= 0) { |
| 10810 | 8 | st->codecpar->width = sc->width; | |
| 10811 | 8 | st->codecpar->height = sc->height; | |
| 10812 | } | ||
| 10813 |
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|
12 | if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE && |
| 10814 | ✗ | st->codecpar->extradata_size == FF_DVDCLUT_CLUT_SIZE) { | |
| 10815 | |||
| 10816 | ✗ | for (j = 0; j < FF_DVDCLUT_CLUT_LEN; j++) | |
| 10817 | ✗ | dvdsub_clut[j] = AV_RB32(st->codecpar->extradata + j * 4); | |
| 10818 | |||
| 10819 | ✗ | err = ff_dvdclut_yuv_to_rgb(dvdsub_clut, FF_DVDCLUT_CLUT_SIZE); | |
| 10820 | ✗ | if (err < 0) | |
| 10821 | ✗ | return err; | |
| 10822 | |||
| 10823 | ✗ | av_freep(&st->codecpar->extradata); | |
| 10824 | ✗ | st->codecpar->extradata_size = 0; | |
| 10825 | |||
| 10826 | ✗ | err = ff_dvdclut_palette_extradata_cat(dvdsub_clut, FF_DVDCLUT_CLUT_SIZE, | |
| 10827 | st->codecpar); | ||
| 10828 | ✗ | if (err < 0) | |
| 10829 | ✗ | return err; | |
| 10830 | } | ||
| 10831 | } | ||
| 10832 |
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|
697 | if (mov->handbrake_version && |
| 10833 | ✗ | mov->handbrake_version <= 1000000*0 + 1000*10 + 2 && // 0.10.2 | |
| 10834 | ✗ | st->codecpar->codec_id == AV_CODEC_ID_MP3) { | |
| 10835 | ✗ | av_log(s, AV_LOG_VERBOSE, "Forcing full parsing for mp3 stream\n"); | |
| 10836 | ✗ | sti->need_parsing = AVSTREAM_PARSE_FULL; | |
| 10837 | } | ||
| 10838 | } | ||
| 10839 | |||
| 10840 |
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|
509 | if (mov->trex_data || mov->use_mfra_for > 0) { |
| 10841 |
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|
40 | for (i = 0; i < s->nb_streams; i++) { |
| 10842 | 24 | AVStream *st = s->streams[i]; | |
| 10843 | 24 | MOVStreamContext *sc = st->priv_data; | |
| 10844 |
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|
24 | if (sc->duration_for_fps > 0) { |
| 10845 | /* Akin to sc->data_size * 8 * sc->time_scale / sc->duration_for_fps but accounting for overflows. */ | ||
| 10846 | 21 | st->codecpar->bit_rate = av_rescale(sc->data_size, ((int64_t) sc->time_scale) * 8, sc->duration_for_fps); | |
| 10847 |
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|
21 | if (st->codecpar->bit_rate == INT64_MIN) { |
| 10848 | ✗ | av_log(s, AV_LOG_WARNING, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", | |
| 10849 | sc->data_size, sc->time_scale); | ||
| 10850 | ✗ | st->codecpar->bit_rate = 0; | |
| 10851 | ✗ | if (s->error_recognition & AV_EF_EXPLODE) | |
| 10852 | ✗ | return AVERROR_INVALIDDATA; | |
| 10853 | } | ||
| 10854 | } | ||
| 10855 | } | ||
| 10856 | } | ||
| 10857 | |||
| 10858 |
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|
509 | for (i = 0; i < mov->bitrates_count && i < s->nb_streams; i++) { |
| 10859 | ✗ | if (mov->bitrates[i]) { | |
| 10860 | ✗ | s->streams[i]->codecpar->bit_rate = mov->bitrates[i]; | |
| 10861 | } | ||
| 10862 | } | ||
| 10863 | |||
| 10864 | 509 | ff_rfps_calculate(s); | |
| 10865 | |||
| 10866 |
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|
1206 | for (i = 0; i < s->nb_streams; i++) { |
| 10867 | 697 | AVStream *st = s->streams[i]; | |
| 10868 | 697 | MOVStreamContext *sc = st->priv_data; | |
| 10869 | |||
| 10870 |
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|
697 | switch (st->codecpar->codec_type) { |
| 10871 | 283 | case AVMEDIA_TYPE_AUDIO: | |
| 10872 | 283 | err = ff_replaygain_export(st, s->metadata); | |
| 10873 |
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|
283 | if (err < 0) |
| 10874 | ✗ | return err; | |
| 10875 | 283 | break; | |
| 10876 | 359 | case AVMEDIA_TYPE_VIDEO: | |
| 10877 |
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|
359 | if (sc->display_matrix) { |
| 10878 |
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|
8 | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, |
| 10879 | AV_PKT_DATA_DISPLAYMATRIX, | ||
| 10880 | 8 | (uint8_t*)sc->display_matrix, sizeof(int32_t) * 9, 0)) | |
| 10881 | ✗ | return AVERROR(ENOMEM); | |
| 10882 | |||
| 10883 | 8 | sc->display_matrix = NULL; | |
| 10884 | } | ||
| 10885 |
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|
359 | if (sc->stereo3d) { |
| 10886 |
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|
4 | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, |
| 10887 | AV_PKT_DATA_STEREO3D, | ||
| 10888 | 4 | (uint8_t *)sc->stereo3d, sc->stereo3d_size, 0)) | |
| 10889 | ✗ | return AVERROR(ENOMEM); | |
| 10890 | |||
| 10891 | 4 | sc->stereo3d = NULL; | |
| 10892 | } | ||
| 10893 |
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|
359 | if (sc->spherical) { |
| 10894 |
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|
4 | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, |
| 10895 | AV_PKT_DATA_SPHERICAL, | ||
| 10896 | 4 | (uint8_t *)sc->spherical, sc->spherical_size, 0)) | |
| 10897 | ✗ | return AVERROR(ENOMEM); | |
| 10898 | |||
| 10899 | 4 | sc->spherical = NULL; | |
| 10900 | } | ||
| 10901 |
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|
359 | if (sc->mastering) { |
| 10902 | ✗ | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, | |
| 10903 | AV_PKT_DATA_MASTERING_DISPLAY_METADATA, | ||
| 10904 | ✗ | (uint8_t *)sc->mastering, sc->mastering_size, 0)) | |
| 10905 | ✗ | return AVERROR(ENOMEM); | |
| 10906 | |||
| 10907 | ✗ | sc->mastering = NULL; | |
| 10908 | } | ||
| 10909 |
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|
359 | if (sc->coll) { |
| 10910 | ✗ | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, | |
| 10911 | AV_PKT_DATA_CONTENT_LIGHT_LEVEL, | ||
| 10912 | ✗ | (uint8_t *)sc->coll, sc->coll_size, 0)) | |
| 10913 | ✗ | return AVERROR(ENOMEM); | |
| 10914 | |||
| 10915 | ✗ | sc->coll = NULL; | |
| 10916 | } | ||
| 10917 |
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|
359 | if (sc->ambient) { |
| 10918 |
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|
4 | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, |
| 10919 | AV_PKT_DATA_AMBIENT_VIEWING_ENVIRONMENT, | ||
| 10920 | 4 | (uint8_t *) sc->ambient, sc->ambient_size, 0)) | |
| 10921 | ✗ | return AVERROR(ENOMEM); | |
| 10922 | |||
| 10923 | 4 | sc->ambient = NULL; | |
| 10924 | } | ||
| 10925 | 359 | break; | |
| 10926 | } | ||
| 10927 | } | ||
| 10928 | |||
| 10929 | 509 | fix_stream_ids(s); | |
| 10930 | |||
| 10931 | 509 | ff_configure_buffers_for_index(s, AV_TIME_BASE); | |
| 10932 | |||
| 10933 |
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|
977 | for (i = 0; i < mov->frag_index.nb_items; i++) |
| 10934 |
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|
468 | if (mov->frag_index.item[i].moof_offset <= mov->fragment.moof_offset) |
| 10935 | 464 | mov->frag_index.item[i].headers_read = 1; | |
| 10936 | |||
| 10937 | 509 | return 0; | |
| 10938 | } | ||
| 10939 | |||
| 10940 | 106457 | static AVIndexEntry *mov_find_next_sample(AVFormatContext *s, AVStream **st) | |
| 10941 | { | ||
| 10942 | 106457 | AVIndexEntry *sample = NULL; | |
| 10943 | 106457 | int64_t best_dts = INT64_MAX; | |
| 10944 | int i; | ||
| 10945 | 106457 | MOVContext *mov = s->priv_data; | |
| 10946 |
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|
106457 | int no_interleave = !mov->interleaved_read || !(s->pb->seekable & AVIO_SEEKABLE_NORMAL); |
| 10947 |
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|
245245 | for (i = 0; i < s->nb_streams; i++) { |
| 10948 | 138788 | AVStream *avst = s->streams[i]; | |
| 10949 | 138788 | FFStream *const avsti = ffstream(avst); | |
| 10950 | 138788 | MOVStreamContext *msc = avst->priv_data; | |
| 10951 |
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|
138788 | if (msc->pb && msc->current_sample < avsti->nb_index_entries) { |
| 10952 | 127228 | AVIndexEntry *current_sample = &avsti->index_entries[msc->current_sample]; | |
| 10953 | 127228 | int64_t dts = av_rescale(current_sample->timestamp, AV_TIME_BASE, msc->time_scale); | |
| 10954 |
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|
127228 | uint64_t dtsdiff = best_dts > dts ? best_dts - (uint64_t)dts : ((uint64_t)dts - best_dts); |
| 10955 | 127228 | av_log(s, AV_LOG_TRACE, "stream %d, sample %d, dts %"PRId64"\n", i, msc->current_sample, dts); | |
| 10956 |
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|
127228 | if (!sample || (no_interleave && current_sample->pos < sample->pos) || |
| 10957 |
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21276 | ((s->pb->seekable & AVIO_SEEKABLE_NORMAL) && |
| 10958 |
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|
21276 | ((msc->pb != s->pb && dts < best_dts) || (msc->pb == s->pb && dts != AV_NOPTS_VALUE && |
| 10959 |
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|
21276 | ((dtsdiff <= AV_TIME_BASE && current_sample->pos < sample->pos) || |
| 10960 |
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|
2209 | (dtsdiff > AV_TIME_BASE && dts < best_dts && mov->interleaved_read)))))) { |
| 10961 | 114841 | sample = current_sample; | |
| 10962 | 114841 | best_dts = dts; | |
| 10963 | 114841 | *st = avst; | |
| 10964 | } | ||
| 10965 | } | ||
| 10966 | } | ||
| 10967 | 106457 | return sample; | |
| 10968 | } | ||
| 10969 | |||
| 10970 | 9 | static int should_retry(AVIOContext *pb, int error_code) { | |
| 10971 |
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|
9 | if (error_code == AVERROR_EOF || avio_feof(pb)) |
| 10972 | 9 | return 0; | |
| 10973 | |||
| 10974 | ✗ | return 1; | |
| 10975 | } | ||
| 10976 | |||
| 10977 | 43 | static int mov_switch_root(AVFormatContext *s, int64_t target, int index) | |
| 10978 | { | ||
| 10979 | int ret; | ||
| 10980 | 43 | MOVContext *mov = s->priv_data; | |
| 10981 | |||
| 10982 |
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|
43 | if (index >= 0 && index < mov->frag_index.nb_items) |
| 10983 | ✗ | target = mov->frag_index.item[index].moof_offset; | |
| 10984 |
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|
43 | if (target >= 0 && avio_seek(s->pb, target, SEEK_SET) != target) { |
| 10985 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "root atom offset 0x%"PRIx64": partial file\n", target); | |
| 10986 | ✗ | return AVERROR_INVALIDDATA; | |
| 10987 | } | ||
| 10988 | |||
| 10989 | 43 | mov->next_root_atom = 0; | |
| 10990 |
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|
43 | if ((index < 0 && target >= 0) || index >= mov->frag_index.nb_items) |
| 10991 | 43 | index = search_frag_moof_offset(&mov->frag_index, target); | |
| 10992 |
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|
43 | if (index >= 0 && index < mov->frag_index.nb_items && |
| 10993 |
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|
38 | mov->frag_index.item[index].moof_offset == target) { |
| 10994 |
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|
38 | if (index + 1 < mov->frag_index.nb_items) |
| 10995 | 35 | mov->next_root_atom = mov->frag_index.item[index + 1].moof_offset; | |
| 10996 |
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|
38 | if (mov->frag_index.item[index].headers_read) |
| 10997 | 35 | return 0; | |
| 10998 | 3 | mov->frag_index.item[index].headers_read = 1; | |
| 10999 | } | ||
| 11000 | |||
| 11001 | 8 | mov->found_mdat = 0; | |
| 11002 | |||
| 11003 | 8 | ret = mov_read_default(mov, s->pb, (MOVAtom){ AV_RL32("root"), INT64_MAX }); | |
| 11004 |
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|
8 | if (ret < 0) |
| 11005 | ✗ | return ret; | |
| 11006 |
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|
8 | if (avio_feof(s->pb)) |
| 11007 | 5 | return AVERROR_EOF; | |
| 11008 | 3 | av_log(s, AV_LOG_TRACE, "read fragments, offset 0x%"PRIx64"\n", avio_tell(s->pb)); | |
| 11009 | |||
| 11010 | 3 | return 1; | |
| 11011 | } | ||
| 11012 | |||
| 11013 | 15 | static int mov_change_extradata(AVStream *st, AVPacket *pkt) | |
| 11014 | { | ||
| 11015 | 15 | MOVStreamContext *sc = st->priv_data; | |
| 11016 | uint8_t *side, *extradata; | ||
| 11017 | int extradata_size; | ||
| 11018 | |||
| 11019 | /* Save the current index. */ | ||
| 11020 | 15 | sc->last_stsd_index = sc->stsc_data[sc->stsc_index].id - 1; | |
| 11021 | |||
| 11022 | /* Notify the decoder that extradata changed. */ | ||
| 11023 | 15 | extradata_size = sc->extradata_size[sc->last_stsd_index]; | |
| 11024 | 15 | extradata = sc->extradata[sc->last_stsd_index]; | |
| 11025 |
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|
15 | if (st->discard != AVDISCARD_ALL && extradata_size > 0 && extradata) { |
| 11026 | 12 | side = av_packet_new_side_data(pkt, | |
| 11027 | AV_PKT_DATA_NEW_EXTRADATA, | ||
| 11028 | extradata_size); | ||
| 11029 |
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|
12 | if (!side) |
| 11030 | ✗ | return AVERROR(ENOMEM); | |
| 11031 | 12 | memcpy(side, extradata, extradata_size); | |
| 11032 | } | ||
| 11033 | |||
| 11034 | 15 | return 0; | |
| 11035 | } | ||
| 11036 | |||
| 11037 | ✗ | static int get_eia608_packet(AVIOContext *pb, AVPacket *pkt, int src_size) | |
| 11038 | { | ||
| 11039 | /* We can't make assumptions about the structure of the payload, | ||
| 11040 | because it may include multiple cdat and cdt2 samples. */ | ||
| 11041 | ✗ | const uint32_t cdat = AV_RB32("cdat"); | |
| 11042 | ✗ | const uint32_t cdt2 = AV_RB32("cdt2"); | |
| 11043 | ✗ | int ret, out_size = 0; | |
| 11044 | |||
| 11045 | /* a valid payload must have size, 4cc, and at least 1 byte pair: */ | ||
| 11046 | ✗ | if (src_size < 10) | |
| 11047 | ✗ | return AVERROR_INVALIDDATA; | |
| 11048 | |||
| 11049 | /* avoid an int overflow: */ | ||
| 11050 | ✗ | if ((src_size - 8) / 2 >= INT_MAX / 3) | |
| 11051 | ✗ | return AVERROR_INVALIDDATA; | |
| 11052 | |||
| 11053 | ✗ | ret = av_new_packet(pkt, ((src_size - 8) / 2) * 3); | |
| 11054 | ✗ | if (ret < 0) | |
| 11055 | ✗ | return ret; | |
| 11056 | |||
| 11057 | /* parse and re-format the c608 payload in one pass. */ | ||
| 11058 | ✗ | while (src_size >= 10) { | |
| 11059 | ✗ | const uint32_t atom_size = avio_rb32(pb); | |
| 11060 | ✗ | const uint32_t atom_type = avio_rb32(pb); | |
| 11061 | ✗ | const uint32_t data_size = atom_size - 8; | |
| 11062 | ✗ | const uint8_t cc_field = | |
| 11063 | atom_type == cdat ? 1 : | ||
| 11064 | atom_type == cdt2 ? 2 : | ||
| 11065 | 0; | ||
| 11066 | |||
| 11067 | /* account for bytes consumed for atom size and type. */ | ||
| 11068 | ✗ | src_size -= 8; | |
| 11069 | |||
| 11070 | /* make sure the data size stays within the buffer boundaries. */ | ||
| 11071 | ✗ | if (data_size < 2 || data_size > src_size) { | |
| 11072 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 11073 | ✗ | break; | |
| 11074 | } | ||
| 11075 | |||
| 11076 | /* make sure the data size is consistent with N byte pairs. */ | ||
| 11077 | ✗ | if (data_size % 2 != 0) { | |
| 11078 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 11079 | ✗ | break; | |
| 11080 | } | ||
| 11081 | |||
| 11082 | ✗ | if (!cc_field) { | |
| 11083 | /* neither cdat or cdt2 ... skip it */ | ||
| 11084 | ✗ | avio_skip(pb, data_size); | |
| 11085 | ✗ | src_size -= data_size; | |
| 11086 | ✗ | continue; | |
| 11087 | } | ||
| 11088 | |||
| 11089 | ✗ | for (uint32_t i = 0; i < data_size; i += 2) { | |
| 11090 | ✗ | pkt->data[out_size] = (0x1F << 3) | (1 << 2) | (cc_field - 1); | |
| 11091 | ✗ | pkt->data[out_size + 1] = avio_r8(pb); | |
| 11092 | ✗ | pkt->data[out_size + 2] = avio_r8(pb); | |
| 11093 | ✗ | out_size += 3; | |
| 11094 | ✗ | src_size -= 2; | |
| 11095 | } | ||
| 11096 | } | ||
| 11097 | |||
| 11098 | ✗ | if (src_size > 0) | |
| 11099 | /* skip any remaining unread portion of the input payload */ | ||
| 11100 | ✗ | avio_skip(pb, src_size); | |
| 11101 | |||
| 11102 | ✗ | av_shrink_packet(pkt, out_size); | |
| 11103 | ✗ | return ret; | |
| 11104 | } | ||
| 11105 | |||
| 11106 | 105908 | static int mov_finalize_packet(AVFormatContext *s, AVStream *st, AVIndexEntry *sample, | |
| 11107 | int64_t current_index, AVPacket *pkt) | ||
| 11108 | { | ||
| 11109 | 105908 | MOVStreamContext *sc = st->priv_data; | |
| 11110 | |||
| 11111 | 105908 | pkt->stream_index = sc->ffindex; | |
| 11112 | 105908 | pkt->dts = sample->timestamp; | |
| 11113 |
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|
105908 | if (sample->flags & AVINDEX_DISCARD_FRAME) { |
| 11114 | 237 | pkt->flags |= AV_PKT_FLAG_DISCARD; | |
| 11115 | } | ||
| 11116 |
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|
105908 | if (sc->stts_count && sc->tts_index < sc->tts_count) |
| 11117 | 86038 | pkt->duration = sc->tts_data[sc->tts_index].duration; | |
| 11118 |
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|
105908 | if (sc->ctts_count && sc->tts_index < sc->tts_count) { |
| 11119 | 4191 | pkt->pts = av_sat_add64(pkt->dts, av_sat_add64(sc->dts_shift, sc->tts_data[sc->tts_index].offset)); | |
| 11120 | } else { | ||
| 11121 |
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|
101717 | if (pkt->duration == 0) { |
| 11122 | 15783 | int64_t next_dts = (sc->current_sample < ffstream(st)->nb_index_entries) ? | |
| 11123 |
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|
15783 | ffstream(st)->index_entries[sc->current_sample].timestamp : st->duration; |
| 11124 |
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|
15783 | if (next_dts >= pkt->dts) |
| 11125 | 15749 | pkt->duration = next_dts - pkt->dts; | |
| 11126 | } | ||
| 11127 | 101717 | pkt->pts = pkt->dts; | |
| 11128 | } | ||
| 11129 | |||
| 11130 |
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|
105908 | if (sc->tts_data && sc->tts_index < sc->tts_count) { |
| 11131 | /* update tts context */ | ||
| 11132 | 86038 | sc->tts_sample++; | |
| 11133 |
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86038 | if (sc->tts_index < sc->tts_count && |
| 11134 |
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|
86038 | sc->tts_data[sc->tts_index].count == sc->tts_sample) { |
| 11135 | 86038 | sc->tts_index++; | |
| 11136 | 86038 | sc->tts_sample = 0; | |
| 11137 | } | ||
| 11138 | } | ||
| 11139 | |||
| 11140 |
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|
105908 | if (sc->sdtp_data && sc->current_sample <= sc->sdtp_count) { |
| 11141 | 911 | uint8_t sample_flags = sc->sdtp_data[sc->current_sample - 1]; | |
| 11142 | 911 | uint8_t sample_is_depended_on = (sample_flags >> 2) & 0x3; | |
| 11143 |
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|
911 | pkt->flags |= sample_is_depended_on == MOV_SAMPLE_DEPENDENCY_NO ? AV_PKT_FLAG_DISPOSABLE : 0; |
| 11144 | } | ||
| 11145 | 105908 | pkt->flags |= sample->flags & AVINDEX_KEYFRAME ? AV_PKT_FLAG_KEY : 0; | |
| 11146 | 105908 | pkt->pos = sample->pos; | |
| 11147 | |||
| 11148 | /* Multiple stsd handling. */ | ||
| 11149 |
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|
105908 | if (sc->stsc_data) { |
| 11150 |
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|
102669 | if (sc->stsc_data[sc->stsc_index].id > 0 && |
| 11151 |
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|
102669 | sc->stsc_data[sc->stsc_index].id - 1 < sc->stsd_count && |
| 11152 |
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|
102638 | sc->stsc_data[sc->stsc_index].id - 1 != sc->last_stsd_index) { |
| 11153 | 15 | int ret = mov_change_extradata(st, pkt); | |
| 11154 |
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|
15 | if (ret < 0) |
| 11155 | ✗ | return ret; | |
| 11156 | } | ||
| 11157 | |||
| 11158 | /* Update the stsc index for the next sample */ | ||
| 11159 | 102669 | sc->stsc_sample++; | |
| 11160 |
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|
102669 | if (mov_stsc_index_valid(sc->stsc_index, sc->stsc_count) && |
| 11161 |
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|
55149 | mov_get_stsc_samples(sc, sc->stsc_index) == sc->stsc_sample) { |
| 11162 | 1191 | sc->stsc_index++; | |
| 11163 | 1191 | sc->stsc_sample = 0; | |
| 11164 | } | ||
| 11165 | } | ||
| 11166 | |||
| 11167 | 105908 | return 0; | |
| 11168 | } | ||
| 11169 | |||
| 11170 | 97327 | static int mov_read_packet(AVFormatContext *s, AVPacket *pkt) | |
| 11171 | { | ||
| 11172 | 97327 | MOVContext *mov = s->priv_data; | |
| 11173 | MOVStreamContext *sc; | ||
| 11174 | AVIndexEntry *sample; | ||
| 11175 | 97327 | AVStream *st = NULL; | |
| 11176 | 97327 | FFStream *avsti = NULL; | |
| 11177 | int64_t current_index; | ||
| 11178 | int ret; | ||
| 11179 | int i; | ||
| 11180 | 97327 | mov->fc = s; | |
| 11181 | 9130 | retry: | |
| 11182 |
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|
106457 | if (s->pb->pos == 0) { |
| 11183 | |||
| 11184 | // Discard current fragment index | ||
| 11185 | ✗ | if (mov->frag_index.allocated_size > 0) { | |
| 11186 | ✗ | for(int i = 0; i < mov->frag_index.nb_items; i++) { | |
| 11187 | ✗ | av_freep(&mov->frag_index.item[i].stream_info); | |
| 11188 | } | ||
| 11189 | ✗ | av_freep(&mov->frag_index.item); | |
| 11190 | ✗ | mov->frag_index.nb_items = 0; | |
| 11191 | ✗ | mov->frag_index.allocated_size = 0; | |
| 11192 | ✗ | mov->frag_index.current = -1; | |
| 11193 | ✗ | mov->frag_index.complete = 0; | |
| 11194 | } | ||
| 11195 | |||
| 11196 | ✗ | for (i = 0; i < s->nb_streams; i++) { | |
| 11197 | ✗ | AVStream *avst = s->streams[i]; | |
| 11198 | ✗ | MOVStreamContext *msc = avst->priv_data; | |
| 11199 | |||
| 11200 | // Clear current sample | ||
| 11201 | ✗ | mov_current_sample_set(msc, 0); | |
| 11202 | ✗ | msc->tts_index = 0; | |
| 11203 | |||
| 11204 | // Discard current index entries | ||
| 11205 | ✗ | avsti = ffstream(avst); | |
| 11206 | ✗ | if (avsti->index_entries_allocated_size > 0) { | |
| 11207 | ✗ | av_freep(&avsti->index_entries); | |
| 11208 | ✗ | avsti->index_entries_allocated_size = 0; | |
| 11209 | ✗ | avsti->nb_index_entries = 0; | |
| 11210 | } | ||
| 11211 | } | ||
| 11212 | |||
| 11213 | ✗ | if ((ret = mov_switch_root(s, -1, -1)) < 0) | |
| 11214 | ✗ | return ret; | |
| 11215 | } | ||
| 11216 | 106457 | sample = mov_find_next_sample(s, &st); | |
| 11217 |
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|
106457 | if (!sample || (mov->next_root_atom && sample->pos > mov->next_root_atom)) { |
| 11218 |
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|
540 | if (!mov->next_root_atom) |
| 11219 | 497 | return AVERROR_EOF; | |
| 11220 |
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✓ Branch 2 taken 38 times.
|
43 | if ((ret = mov_switch_root(s, mov->next_root_atom, -1)) < 0) |
| 11221 | 5 | return ret; | |
| 11222 | 38 | goto retry; | |
| 11223 | } | ||
| 11224 | 105917 | sc = st->priv_data; | |
| 11225 | /* must be done just before reading, to avoid infinite loop on sample */ | ||
| 11226 | 105917 | current_index = sc->current_index; | |
| 11227 | 105917 | mov_current_sample_inc(sc); | |
| 11228 | |||
| 11229 |
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|
105917 | if (mov->next_root_atom) { |
| 11230 | 481 | sample->pos = FFMIN(sample->pos, mov->next_root_atom); | |
| 11231 | 481 | sample->size = FFMIN(sample->size, (mov->next_root_atom - sample->pos)); | |
| 11232 | } | ||
| 11233 | |||
| 11234 |
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|
105917 | if (st->discard != AVDISCARD_ALL) { |
| 11235 | 96825 | int64_t ret64 = avio_seek(sc->pb, sample->pos, SEEK_SET); | |
| 11236 |
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|
96825 | if (ret64 != sample->pos) { |
| 11237 | 7 | av_log(mov->fc, AV_LOG_ERROR, "stream %d, offset 0x%"PRIx64": partial file\n", | |
| 11238 | sc->ffindex, sample->pos); | ||
| 11239 |
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|
7 | if (should_retry(sc->pb, ret64)) { |
| 11240 | ✗ | mov_current_sample_dec(sc); | |
| 11241 |
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|
7 | } else if (ret64 < 0) { |
| 11242 | 7 | return (int)ret64; | |
| 11243 | } | ||
| 11244 | ✗ | return AVERROR_INVALIDDATA; | |
| 11245 | } | ||
| 11246 | |||
| 11247 |
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|
96818 | if (st->discard == AVDISCARD_NONKEY && !(sample->flags & AVINDEX_KEYFRAME)) { |
| 11248 | ✗ | av_log(mov->fc, AV_LOG_DEBUG, "Nonkey frame from stream %d discarded due to AVDISCARD_NONKEY\n", sc->ffindex); | |
| 11249 | ✗ | goto retry; | |
| 11250 | } | ||
| 11251 | |||
| 11252 |
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|
96818 | if (st->codecpar->codec_id == AV_CODEC_ID_EIA_608 && sample->size > 8) |
| 11253 | ✗ | ret = get_eia608_packet(sc->pb, pkt, sample->size); | |
| 11254 | #if CONFIG_IAMFDEC | ||
| 11255 |
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|
96818 | else if (sc->iamf) { |
| 11256 | int64_t pts, dts, pos, duration; | ||
| 11257 | 55 | int flags, size = sample->size; | |
| 11258 | 55 | ret = mov_finalize_packet(s, st, sample, current_index, pkt); | |
| 11259 | 55 | pts = pkt->pts; dts = pkt->dts; | |
| 11260 | 55 | pos = pkt->pos; flags = pkt->flags; | |
| 11261 | 55 | duration = pkt->duration; | |
| 11262 |
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|
330 | while (!ret && size > 0) { |
| 11263 | 275 | ret = ff_iamf_read_packet(s, sc->iamf, sc->pb, size, sc->iamf_stream_offset, pkt); | |
| 11264 |
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|
275 | if (ret < 0) { |
| 11265 | ✗ | if (should_retry(sc->pb, ret)) | |
| 11266 | ✗ | mov_current_sample_dec(sc); | |
| 11267 | ✗ | return ret; | |
| 11268 | } | ||
| 11269 | 275 | size -= ret; | |
| 11270 | 275 | pkt->pts = pts; pkt->dts = dts; | |
| 11271 | 275 | pkt->pos = pos; pkt->flags |= flags; | |
| 11272 | 275 | pkt->duration = duration; | |
| 11273 | 275 | ret = ff_buffer_packet(s, pkt); | |
| 11274 | } | ||
| 11275 |
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|
55 | if (!ret) |
| 11276 | 55 | return FFERROR_REDO; | |
| 11277 | } | ||
| 11278 | #endif | ||
| 11279 |
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|
96766 | else if (st->codecpar->codec_id == AV_CODEC_ID_APV && sample->size > 4) { |
| 11280 | 3 | const uint32_t au_size = avio_rb32(sc->pb); | |
| 11281 | 3 | ret = av_get_packet(sc->pb, pkt, au_size); | |
| 11282 | } else | ||
| 11283 | 96760 | ret = av_get_packet(sc->pb, pkt, sample->size); | |
| 11284 |
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|
96763 | if (ret < 0) { |
| 11285 |
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|
2 | if (should_retry(sc->pb, ret)) { |
| 11286 | ✗ | mov_current_sample_dec(sc); | |
| 11287 | } | ||
| 11288 | 2 | return ret; | |
| 11289 | } | ||
| 11290 | #if CONFIG_DV_DEMUXER | ||
| 11291 |
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|
96761 | if (mov->dv_demux && sc->dv_audio_container) { |
| 11292 | ✗ | ret = avpriv_dv_produce_packet(mov->dv_demux, NULL, pkt->data, pkt->size, pkt->pos); | |
| 11293 | ✗ | av_packet_unref(pkt); | |
| 11294 | ✗ | if (ret < 0) | |
| 11295 | ✗ | return ret; | |
| 11296 | ✗ | ret = avpriv_dv_get_packet(mov->dv_demux, pkt); | |
| 11297 | ✗ | if (ret < 0) | |
| 11298 | ✗ | return ret; | |
| 11299 | } | ||
| 11300 | #endif | ||
| 11301 |
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|
96761 | if (sc->has_palette) { |
| 11302 | uint8_t *pal; | ||
| 11303 | |||
| 11304 | 18 | pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, AVPALETTE_SIZE); | |
| 11305 |
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✓ Branch 1 taken 18 times.
|
18 | if (!pal) { |
| 11306 | ✗ | av_log(mov->fc, AV_LOG_ERROR, "Cannot append palette to packet\n"); | |
| 11307 | } else { | ||
| 11308 | 18 | memcpy(pal, sc->palette, AVPALETTE_SIZE); | |
| 11309 | 18 | sc->has_palette = 0; | |
| 11310 | } | ||
| 11311 | } | ||
| 11312 |
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|
96761 | if (st->codecpar->codec_id == AV_CODEC_ID_MP3 && !ffstream(st)->need_parsing && pkt->size > 4) { |
| 11313 |
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|
288 | if (ff_mpa_check_header(AV_RB32(pkt->data)) < 0) |
| 11314 | ✗ | ffstream(st)->need_parsing = AVSTREAM_PARSE_FULL; | |
| 11315 | } | ||
| 11316 | } | ||
| 11317 | |||
| 11318 | 105853 | ret = mov_finalize_packet(s, st, sample, current_index, pkt); | |
| 11319 |
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|
105853 | if (ret < 0) |
| 11320 | ✗ | return ret; | |
| 11321 | |||
| 11322 |
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|
105853 | if (st->discard == AVDISCARD_ALL) |
| 11323 | 9092 | goto retry; | |
| 11324 | |||
| 11325 |
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|
96761 | if (mov->aax_mode) |
| 11326 | ✗ | aax_filter(pkt->data, pkt->size, mov); | |
| 11327 | |||
| 11328 | 96761 | ret = cenc_filter(mov, st, sc, pkt, current_index); | |
| 11329 |
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|
96761 | if (ret < 0) { |
| 11330 | ✗ | return ret; | |
| 11331 | } | ||
| 11332 | |||
| 11333 | 96761 | return 0; | |
| 11334 | } | ||
| 11335 | |||
| 11336 | 361 | static int mov_seek_fragment(AVFormatContext *s, AVStream *st, int64_t timestamp) | |
| 11337 | { | ||
| 11338 | 361 | MOVContext *mov = s->priv_data; | |
| 11339 | int index; | ||
| 11340 | |||
| 11341 |
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|
361 | if (!mov->frag_index.complete) |
| 11342 | 335 | return 0; | |
| 11343 | |||
| 11344 | 26 | index = search_frag_timestamp(s, &mov->frag_index, st, timestamp); | |
| 11345 |
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|
26 | if (index < 0) |
| 11346 | 4 | index = 0; | |
| 11347 |
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|
26 | if (!mov->frag_index.item[index].headers_read) |
| 11348 | ✗ | return mov_switch_root(s, -1, index); | |
| 11349 |
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|
26 | if (index + 1 < mov->frag_index.nb_items) |
| 11350 | 26 | mov->next_root_atom = mov->frag_index.item[index + 1].moof_offset; | |
| 11351 | |||
| 11352 | 26 | return 0; | |
| 11353 | } | ||
| 11354 | |||
| 11355 | ✗ | static int is_open_key_sample(const MOVStreamContext *sc, int sample) | |
| 11356 | { | ||
| 11357 | // TODO: a bisect search would scale much better | ||
| 11358 | ✗ | for (int i = 0; i < sc->open_key_samples_count; i++) { | |
| 11359 | ✗ | const int oks = sc->open_key_samples[i]; | |
| 11360 | ✗ | if (oks == sample) | |
| 11361 | ✗ | return 1; | |
| 11362 | ✗ | if (oks > sample) /* list is monotically increasing so we can stop early */ | |
| 11363 | ✗ | break; | |
| 11364 | } | ||
| 11365 | ✗ | return 0; | |
| 11366 | } | ||
| 11367 | |||
| 11368 | /* | ||
| 11369 | * Some key sample may be key frames but not IDR frames, so a random access to | ||
| 11370 | * them may not be allowed. | ||
| 11371 | */ | ||
| 11372 | 229 | static int can_seek_to_key_sample(AVStream *st, int sample, int64_t requested_pts) | |
| 11373 | { | ||
| 11374 | 229 | MOVStreamContext *sc = st->priv_data; | |
| 11375 | 229 | FFStream *const sti = ffstream(st); | |
| 11376 | int64_t key_sample_dts, key_sample_pts; | ||
| 11377 | |||
| 11378 |
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|
229 | if (st->codecpar->codec_id != AV_CODEC_ID_HEVC) |
| 11379 | 229 | return 1; | |
| 11380 | |||
| 11381 | ✗ | if (sample >= sc->sample_offsets_count) | |
| 11382 | ✗ | return 1; | |
| 11383 | |||
| 11384 | ✗ | key_sample_dts = sti->index_entries[sample].timestamp; | |
| 11385 | ✗ | key_sample_pts = key_sample_dts + sc->sample_offsets[sample] + sc->dts_shift; | |
| 11386 | |||
| 11387 | /* | ||
| 11388 | * If the sample needs to be presented before an open key sample, they may | ||
| 11389 | * not be decodable properly, even though they come after in decoding | ||
| 11390 | * order. | ||
| 11391 | */ | ||
| 11392 | ✗ | if (is_open_key_sample(sc, sample) && key_sample_pts > requested_pts) | |
| 11393 | ✗ | return 0; | |
| 11394 | |||
| 11395 | ✗ | return 1; | |
| 11396 | } | ||
| 11397 | |||
| 11398 | 361 | static int mov_seek_stream(AVFormatContext *s, AVStream *st, int64_t timestamp, int flags) | |
| 11399 | { | ||
| 11400 | 361 | MOVStreamContext *sc = st->priv_data; | |
| 11401 | 361 | FFStream *const sti = ffstream(st); | |
| 11402 | int sample, time_sample, ret, requested_sample; | ||
| 11403 | int64_t next_ts; | ||
| 11404 | unsigned int i; | ||
| 11405 | |||
| 11406 | // Here we consider timestamp to be PTS, hence try to offset it so that we | ||
| 11407 | // can search over the DTS timeline. | ||
| 11408 | 361 | timestamp -= (sc->min_corrected_pts + sc->dts_shift); | |
| 11409 | |||
| 11410 | 361 | ret = mov_seek_fragment(s, st, timestamp); | |
| 11411 |
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|
361 | if (ret < 0) |
| 11412 | ✗ | return ret; | |
| 11413 | |||
| 11414 | for (;;) { | ||
| 11415 | 361 | sample = av_index_search_timestamp(st, timestamp, flags); | |
| 11416 | 361 | av_log(s, AV_LOG_TRACE, "stream %d, timestamp %"PRId64", sample %d\n", st->index, timestamp, sample); | |
| 11417 |
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|
361 | if (sample < 0 && sti->nb_index_entries && timestamp < sti->index_entries[0].timestamp) |
| 11418 | 43 | sample = 0; | |
| 11419 |
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|
361 | if (sample < 0) /* not sure what to do */ |
| 11420 | 26 | return AVERROR_INVALIDDATA; | |
| 11421 | |||
| 11422 |
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|
335 | if (!sample || can_seek_to_key_sample(st, sample, timestamp)) |
| 11423 | break; | ||
| 11424 | |||
| 11425 | ✗ | next_ts = timestamp - FFMAX(sc->min_sample_duration, 1); | |
| 11426 | ✗ | requested_sample = av_index_search_timestamp(st, next_ts, flags); | |
| 11427 | |||
| 11428 | // If we've reached a different sample trying to find a good pts to | ||
| 11429 | // seek to, give up searching because we'll end up seeking back to | ||
| 11430 | // sample 0 on every seek. | ||
| 11431 | ✗ | if (sample != requested_sample && !can_seek_to_key_sample(st, requested_sample, next_ts)) | |
| 11432 | ✗ | break; | |
| 11433 | |||
| 11434 | ✗ | timestamp = next_ts; | |
| 11435 | } | ||
| 11436 | |||
| 11437 | 335 | mov_current_sample_set(sc, sample); | |
| 11438 | 335 | av_log(s, AV_LOG_TRACE, "stream %d, found sample %d\n", st->index, sc->current_sample); | |
| 11439 | /* adjust time to sample index */ | ||
| 11440 |
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|
335 | if (sc->tts_data) { |
| 11441 | 210 | time_sample = 0; | |
| 11442 |
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|
60235 | for (i = 0; i < sc->tts_count; i++) { |
| 11443 | 60235 | int next = time_sample + sc->tts_data[i].count; | |
| 11444 |
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|
60235 | if (next > sc->current_sample) { |
| 11445 | 210 | sc->tts_index = i; | |
| 11446 | 210 | sc->tts_sample = sc->current_sample - time_sample; | |
| 11447 | 210 | break; | |
| 11448 | } | ||
| 11449 | 60025 | time_sample = next; | |
| 11450 | } | ||
| 11451 | } | ||
| 11452 | |||
| 11453 | /* adjust stsd index */ | ||
| 11454 |
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|
335 | if (sc->chunk_count) { |
| 11455 | 309 | time_sample = 0; | |
| 11456 |
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|
381 | for (i = 0; i < sc->stsc_count; i++) { |
| 11457 | 381 | int64_t next = time_sample + mov_get_stsc_samples(sc, i); | |
| 11458 |
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|
381 | if (next > sc->current_sample) { |
| 11459 | 309 | sc->stsc_index = i; | |
| 11460 | 309 | sc->stsc_sample = sc->current_sample - time_sample; | |
| 11461 | 309 | break; | |
| 11462 | } | ||
| 11463 |
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|
72 | av_assert0(next == (int)next); |
| 11464 | 72 | time_sample = next; | |
| 11465 | } | ||
| 11466 | } | ||
| 11467 | |||
| 11468 | 335 | return sample; | |
| 11469 | } | ||
| 11470 | |||
| 11471 | 335 | static int64_t mov_get_skip_samples(AVStream *st, int sample) | |
| 11472 | { | ||
| 11473 | 335 | MOVStreamContext *sc = st->priv_data; | |
| 11474 | 335 | FFStream *const sti = ffstream(st); | |
| 11475 | 335 | int64_t first_ts = sti->index_entries[0].timestamp; | |
| 11476 | 335 | int64_t ts = sti->index_entries[sample].timestamp; | |
| 11477 | int64_t off; | ||
| 11478 | |||
| 11479 |
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|
335 | if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) |
| 11480 | 184 | return 0; | |
| 11481 | |||
| 11482 | /* compute skip samples according to stream start_pad, seek ts and first ts */ | ||
| 11483 | 151 | off = av_rescale_q(ts - first_ts, st->time_base, | |
| 11484 | 151 | (AVRational){1, st->codecpar->sample_rate}); | |
| 11485 | 151 | return FFMAX(sc->start_pad - off, 0); | |
| 11486 | } | ||
| 11487 | |||
| 11488 | 340 | static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags) | |
| 11489 | { | ||
| 11490 | 340 | MOVContext *mc = s->priv_data; | |
| 11491 | AVStream *st; | ||
| 11492 | FFStream *sti; | ||
| 11493 | int sample; | ||
| 11494 | int i; | ||
| 11495 | |||
| 11496 |
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|
340 | if (stream_index >= s->nb_streams) |
| 11497 | ✗ | return AVERROR_INVALIDDATA; | |
| 11498 | |||
| 11499 | 340 | st = s->streams[stream_index]; | |
| 11500 | 340 | sti = ffstream(st); | |
| 11501 | 340 | sample = mov_seek_stream(s, st, sample_time, flags); | |
| 11502 |
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|
340 | if (sample < 0) |
| 11503 | 26 | return sample; | |
| 11504 | |||
| 11505 |
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|
314 | if (mc->seek_individually) { |
| 11506 | /* adjust seek timestamp to found sample timestamp */ | ||
| 11507 | 314 | int64_t seek_timestamp = sti->index_entries[sample].timestamp; | |
| 11508 | 314 | sti->skip_samples = mov_get_skip_samples(st, sample); | |
| 11509 | |||
| 11510 |
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|
649 | for (i = 0; i < s->nb_streams; i++) { |
| 11511 | 335 | AVStream *const st = s->streams[i]; | |
| 11512 | 335 | FFStream *const sti = ffstream(st); | |
| 11513 | int64_t timestamp; | ||
| 11514 | |||
| 11515 |
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|
335 | if (stream_index == i) |
| 11516 | 314 | continue; | |
| 11517 | |||
| 11518 | 21 | timestamp = av_rescale_q(seek_timestamp, s->streams[stream_index]->time_base, st->time_base); | |
| 11519 | 21 | sample = mov_seek_stream(s, st, timestamp, flags); | |
| 11520 |
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|
21 | if (sample >= 0) |
| 11521 | 21 | sti->skip_samples = mov_get_skip_samples(st, sample); | |
| 11522 | } | ||
| 11523 | } else { | ||
| 11524 | ✗ | for (i = 0; i < s->nb_streams; i++) { | |
| 11525 | MOVStreamContext *sc; | ||
| 11526 | ✗ | st = s->streams[i]; | |
| 11527 | ✗ | sc = st->priv_data; | |
| 11528 | ✗ | mov_current_sample_set(sc, 0); | |
| 11529 | } | ||
| 11530 | ✗ | while (1) { | |
| 11531 | MOVStreamContext *sc; | ||
| 11532 | ✗ | AVIndexEntry *entry = mov_find_next_sample(s, &st); | |
| 11533 | ✗ | if (!entry) | |
| 11534 | ✗ | return AVERROR_INVALIDDATA; | |
| 11535 | ✗ | sc = st->priv_data; | |
| 11536 | ✗ | if (sc->ffindex == stream_index && sc->current_sample == sample) | |
| 11537 | ✗ | break; | |
| 11538 | ✗ | mov_current_sample_inc(sc); | |
| 11539 | } | ||
| 11540 | } | ||
| 11541 | 314 | return 0; | |
| 11542 | } | ||
| 11543 | |||
| 11544 | #define OFFSET(x) offsetof(MOVContext, x) | ||
| 11545 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | ||
| 11546 | static const AVOption mov_options[] = { | ||
| 11547 | {"use_absolute_path", | ||
| 11548 | "allow using absolute path when opening alias, this is a possible security issue", | ||
| 11549 | OFFSET(use_absolute_path), AV_OPT_TYPE_BOOL, {.i64 = 0}, | ||
| 11550 | 0, 1, FLAGS}, | ||
| 11551 | {"seek_streams_individually", | ||
| 11552 | "Seek each stream individually to the closest point", | ||
| 11553 | OFFSET(seek_individually), AV_OPT_TYPE_BOOL, { .i64 = 1 }, | ||
| 11554 | 0, 1, FLAGS}, | ||
| 11555 | {"ignore_editlist", "Ignore the edit list atom.", OFFSET(ignore_editlist), AV_OPT_TYPE_BOOL, {.i64 = 0}, | ||
| 11556 | 0, 1, FLAGS}, | ||
| 11557 | {"advanced_editlist", | ||
| 11558 | "Modify the AVIndex according to the editlists. Use this option to decode in the order specified by the edits.", | ||
| 11559 | OFFSET(advanced_editlist), AV_OPT_TYPE_BOOL, {.i64 = 1}, | ||
| 11560 | 0, 1, FLAGS}, | ||
| 11561 | {"ignore_chapters", "", OFFSET(ignore_chapters), AV_OPT_TYPE_BOOL, {.i64 = 0}, | ||
| 11562 | 0, 1, FLAGS}, | ||
| 11563 | {"use_mfra_for", | ||
| 11564 | "use mfra for fragment timestamps", | ||
| 11565 | OFFSET(use_mfra_for), AV_OPT_TYPE_INT, {.i64 = FF_MOV_FLAG_MFRA_AUTO}, | ||
| 11566 | -1, FF_MOV_FLAG_MFRA_PTS, FLAGS, | ||
| 11567 | .unit = "use_mfra_for"}, | ||
| 11568 | {"auto", "auto", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_MFRA_AUTO}, 0, 0, | ||
| 11569 | FLAGS, .unit = "use_mfra_for" }, | ||
| 11570 | {"dts", "dts", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_MFRA_DTS}, 0, 0, | ||
| 11571 | FLAGS, .unit = "use_mfra_for" }, | ||
| 11572 | {"pts", "pts", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_MFRA_PTS}, 0, 0, | ||
| 11573 | FLAGS, .unit = "use_mfra_for" }, | ||
| 11574 | {"use_tfdt", "use tfdt for fragment timestamps", OFFSET(use_tfdt), AV_OPT_TYPE_BOOL, {.i64 = 1}, | ||
| 11575 | 0, 1, FLAGS}, | ||
| 11576 | { "export_all", "Export unrecognized metadata entries", OFFSET(export_all), | ||
| 11577 | AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, .flags = FLAGS }, | ||
| 11578 | { "export_xmp", "Export full XMP metadata", OFFSET(export_xmp), | ||
| 11579 | AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, .flags = FLAGS }, | ||
| 11580 | { "activation_bytes", "Secret bytes for Audible AAX files", OFFSET(activation_bytes), | ||
| 11581 | AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11582 | { "audible_key", "AES-128 Key for Audible AAXC files", OFFSET(audible_key), | ||
| 11583 | AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11584 | { "audible_iv", "AES-128 IV for Audible AAXC files", OFFSET(audible_iv), | ||
| 11585 | AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11586 | { "audible_fixed_key", // extracted from libAAX_SDK.so and AAXSDKWin.dll files! | ||
| 11587 | "Fixed key used for handling Audible AAX files", OFFSET(audible_fixed_key), | ||
| 11588 | AV_OPT_TYPE_BINARY, {.str="77214d4b196a87cd520045fd20a51d67"}, | ||
| 11589 | .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11590 | { "decryption_key", "The media decryption key (hex)", OFFSET(decryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11591 | { "enable_drefs", "Enable external track support.", OFFSET(enable_drefs), AV_OPT_TYPE_BOOL, | ||
| 11592 | {.i64 = 0}, 0, 1, FLAGS }, | ||
| 11593 | { "max_stts_delta", "treat offsets above this value as invalid", OFFSET(max_stts_delta), AV_OPT_TYPE_INT, {.i64 = UINT_MAX-48000*10 }, 0, UINT_MAX, .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11594 | { "interleaved_read", "Interleave packets from multiple tracks at demuxer level", OFFSET(interleaved_read), AV_OPT_TYPE_BOOL, {.i64 = 1 }, 0, 1, .flags = AV_OPT_FLAG_DECODING_PARAM }, | ||
| 11595 | |||
| 11596 | { NULL }, | ||
| 11597 | }; | ||
| 11598 | |||
| 11599 | static const AVClass mov_class = { | ||
| 11600 | .class_name = "mov,mp4,m4a,3gp,3g2,mj2", | ||
| 11601 | .item_name = av_default_item_name, | ||
| 11602 | .option = mov_options, | ||
| 11603 | .version = LIBAVUTIL_VERSION_INT, | ||
| 11604 | }; | ||
| 11605 | |||
| 11606 | const FFInputFormat ff_mov_demuxer = { | ||
| 11607 | .p.name = "mov,mp4,m4a,3gp,3g2,mj2", | ||
| 11608 | .p.long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"), | ||
| 11609 | .p.priv_class = &mov_class, | ||
| 11610 | .p.extensions = "mov,mp4,m4a,3gp,3g2,mj2,psp,m4b,ism,ismv,isma,f4v,avif,heic,heif", | ||
| 11611 | .p.flags = AVFMT_NO_BYTE_SEEK | AVFMT_SEEK_TO_PTS | AVFMT_SHOW_IDS, | ||
| 11612 | .priv_data_size = sizeof(MOVContext), | ||
| 11613 | .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP, | ||
| 11614 | .read_probe = mov_probe, | ||
| 11615 | .read_header = mov_read_header, | ||
| 11616 | .read_packet = mov_read_packet, | ||
| 11617 | .read_close = mov_read_close, | ||
| 11618 | .read_seek = mov_read_seek, | ||
| 11619 | }; | ||
| 11620 |