| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2010-2011 Maxim Poliakovski | ||
| 3 | * Copyright (c) 2010-2011 Elvis Presley | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * @file | ||
| 24 | * Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'apco' (Proxy), 'ap4h' (4444), 'ap4x' (4444 XQ) | ||
| 25 | */ | ||
| 26 | |||
| 27 | //#define DEBUG | ||
| 28 | |||
| 29 | #define LONG_BITSTREAM_READER | ||
| 30 | |||
| 31 | #include "config_components.h" | ||
| 32 | |||
| 33 | #include "libavutil/internal.h" | ||
| 34 | #include "libavutil/mem.h" | ||
| 35 | #include "libavutil/mem_internal.h" | ||
| 36 | |||
| 37 | #include "avcodec.h" | ||
| 38 | #include "codec_internal.h" | ||
| 39 | #include "decode.h" | ||
| 40 | #include "get_bits.h" | ||
| 41 | #include "hwaccel_internal.h" | ||
| 42 | #include "hwconfig.h" | ||
| 43 | #include "idctdsp.h" | ||
| 44 | #include "profiles.h" | ||
| 45 | #include "proresdec.h" | ||
| 46 | #include "proresdata.h" | ||
| 47 | #include "thread.h" | ||
| 48 | |||
| 49 | #define ALPHA_SHIFT_16_TO_10(alpha_val) (alpha_val >> 6) | ||
| 50 | #define ALPHA_SHIFT_8_TO_10(alpha_val) ((alpha_val << 2) | (alpha_val >> 6)) | ||
| 51 | #define ALPHA_SHIFT_16_TO_12(alpha_val) (alpha_val >> 4) | ||
| 52 | #define ALPHA_SHIFT_8_TO_12(alpha_val) ((alpha_val << 4) | (alpha_val >> 4)) | ||
| 53 | |||
| 54 | 5100 | static void inline unpack_alpha(GetBitContext *gb, uint16_t *dst, int num_coeffs, | |
| 55 | const int num_bits, const int decode_precision) { | ||
| 56 | 5100 | const int mask = (1 << num_bits) - 1; | |
| 57 | int i, idx, val, alpha_val; | ||
| 58 | |||
| 59 | 5100 | idx = 0; | |
| 60 | 5100 | alpha_val = mask; | |
| 61 | do { | ||
| 62 | do { | ||
| 63 |
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58400 | if (get_bits1(gb)) { |
| 64 | 43404 | val = get_bits(gb, num_bits); | |
| 65 | } else { | ||
| 66 | int sign; | ||
| 67 |
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14996 | val = get_bits(gb, num_bits == 16 ? 7 : 4); |
| 68 | 14996 | sign = val & 1; | |
| 69 | 14996 | val = (val + 2) >> 1; | |
| 70 |
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14996 | if (sign) |
| 71 | ✗ | val = -val; | |
| 72 | } | ||
| 73 | 58400 | alpha_val = (alpha_val + val) & mask; | |
| 74 |
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58400 | if (num_bits == 16) { |
| 75 |
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58400 | if (decode_precision == 10) { |
| 76 | ✗ | dst[idx++] = ALPHA_SHIFT_16_TO_10(alpha_val); | |
| 77 | } else { /* 12b */ | ||
| 78 | 58400 | dst[idx++] = ALPHA_SHIFT_16_TO_12(alpha_val); | |
| 79 | } | ||
| 80 | } else { | ||
| 81 | ✗ | if (decode_precision == 10) { | |
| 82 | ✗ | dst[idx++] = ALPHA_SHIFT_8_TO_10(alpha_val); | |
| 83 | } else { /* 12b */ | ||
| 84 | ✗ | dst[idx++] = ALPHA_SHIFT_8_TO_12(alpha_val); | |
| 85 | } | ||
| 86 | } | ||
| 87 |
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58400 | if (idx >= num_coeffs) |
| 88 | 36 | break; | |
| 89 |
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58364 | } while (get_bits_left(gb)>0 && get_bits1(gb)); |
| 90 | 37552 | val = get_bits(gb, 4); | |
| 91 |
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37552 | if (!val) |
| 92 | 35779 | val = get_bits(gb, 11); | |
| 93 |
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37552 | if (idx + val > num_coeffs) |
| 94 | 140 | val = num_coeffs - idx; | |
| 95 |
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37552 | if (num_bits == 16) { |
| 96 |
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10423952 | for (i = 0; i < val; i++) { |
| 97 |
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10386400 | if (decode_precision == 10) { |
| 98 | ✗ | dst[idx++] = ALPHA_SHIFT_16_TO_10(alpha_val); | |
| 99 | } else { /* 12b */ | ||
| 100 | 10386400 | dst[idx++] = ALPHA_SHIFT_16_TO_12(alpha_val); | |
| 101 | } | ||
| 102 | } | ||
| 103 | } else { | ||
| 104 | ✗ | for (i = 0; i < val; i++) { | |
| 105 | ✗ | if (decode_precision == 10) { | |
| 106 | ✗ | dst[idx++] = ALPHA_SHIFT_8_TO_10(alpha_val); | |
| 107 | } else { /* 12b */ | ||
| 108 | ✗ | dst[idx++] = ALPHA_SHIFT_8_TO_12(alpha_val); | |
| 109 | } | ||
| 110 | } | ||
| 111 | } | ||
| 112 |
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37552 | } while (idx < num_coeffs); |
| 113 | 5100 | } | |
| 114 | |||
| 115 | ✗ | static void unpack_alpha_10(GetBitContext *gb, uint16_t *dst, int num_coeffs, | |
| 116 | const int num_bits) | ||
| 117 | { | ||
| 118 | ✗ | if (num_bits == 16) { | |
| 119 | ✗ | unpack_alpha(gb, dst, num_coeffs, 16, 10); | |
| 120 | } else { /* 8 bits alpha */ | ||
| 121 | ✗ | unpack_alpha(gb, dst, num_coeffs, 8, 10); | |
| 122 | } | ||
| 123 | ✗ | } | |
| 124 | |||
| 125 | 5100 | static void unpack_alpha_12(GetBitContext *gb, uint16_t *dst, int num_coeffs, | |
| 126 | const int num_bits) | ||
| 127 | { | ||
| 128 |
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5100 | if (num_bits == 16) { |
| 129 | 5100 | unpack_alpha(gb, dst, num_coeffs, 16, 12); | |
| 130 | } else { /* 8 bits alpha */ | ||
| 131 | ✗ | unpack_alpha(gb, dst, num_coeffs, 8, 12); | |
| 132 | } | ||
| 133 | 5100 | } | |
| 134 | |||
| 135 | 73 | static av_cold int decode_init(AVCodecContext *avctx) | |
| 136 | { | ||
| 137 | 73 | int ret = 0; | |
| 138 | 73 | ProresContext *ctx = avctx->priv_data; | |
| 139 | uint8_t idct_permutation[64]; | ||
| 140 | |||
| 141 | 73 | avctx->bits_per_raw_sample = 10; | |
| 142 | |||
| 143 |
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73 | switch (avctx->codec_tag) { |
| 144 | 14 | case MKTAG('a','p','c','o'): | |
| 145 | 14 | avctx->profile = AV_PROFILE_PRORES_PROXY; | |
| 146 | 14 | break; | |
| 147 | 2 | case MKTAG('a','p','c','s'): | |
| 148 | 2 | avctx->profile = AV_PROFILE_PRORES_LT; | |
| 149 | 2 | break; | |
| 150 | 21 | case MKTAG('a','p','c','n'): | |
| 151 | 21 | avctx->profile = AV_PROFILE_PRORES_STANDARD; | |
| 152 | 21 | break; | |
| 153 | 12 | case MKTAG('a','p','c','h'): | |
| 154 | 12 | avctx->profile = AV_PROFILE_PRORES_HQ; | |
| 155 | 12 | break; | |
| 156 | 24 | case MKTAG('a','p','4','h'): | |
| 157 | 24 | avctx->profile = AV_PROFILE_PRORES_4444; | |
| 158 | 24 | avctx->bits_per_raw_sample = 12; | |
| 159 | 24 | break; | |
| 160 | ✗ | case MKTAG('a','p','4','x'): | |
| 161 | ✗ | avctx->profile = AV_PROFILE_PRORES_XQ; | |
| 162 | ✗ | avctx->bits_per_raw_sample = 12; | |
| 163 | ✗ | break; | |
| 164 | ✗ | default: | |
| 165 | ✗ | avctx->profile = AV_PROFILE_UNKNOWN; | |
| 166 | ✗ | av_log(avctx, AV_LOG_WARNING, "Unknown prores profile %d\n", avctx->codec_tag); | |
| 167 | } | ||
| 168 | |||
| 169 |
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73 | if (avctx->bits_per_raw_sample == 10) { |
| 170 | 49 | av_log(avctx, AV_LOG_DEBUG, "Auto bitdepth precision. Use 10b decoding based on codec tag.\n"); | |
| 171 | } else { /* 12b */ | ||
| 172 | 24 | av_log(avctx, AV_LOG_DEBUG, "Auto bitdepth precision. Use 12b decoding based on codec tag.\n"); | |
| 173 | } | ||
| 174 | |||
| 175 | 73 | ff_blockdsp_init(&ctx->bdsp); | |
| 176 | 73 | ret = ff_proresdsp_init(&ctx->prodsp, avctx->bits_per_raw_sample); | |
| 177 |
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73 | if (ret < 0) { |
| 178 | ✗ | av_log(avctx, AV_LOG_ERROR, "Fail to init proresdsp for bits per raw sample %d\n", avctx->bits_per_raw_sample); | |
| 179 | ✗ | return ret; | |
| 180 | } | ||
| 181 | |||
| 182 | 73 | ff_init_scantable_permutation(idct_permutation, | |
| 183 | 73 | ctx->prodsp.idct_permutation_type); | |
| 184 | |||
| 185 | 73 | ff_permute_scantable(ctx->progressive_scan, ff_prores_progressive_scan, idct_permutation); | |
| 186 | 73 | ff_permute_scantable(ctx->interlaced_scan, ff_prores_interlaced_scan, idct_permutation); | |
| 187 | |||
| 188 | 73 | ctx->pix_fmt = AV_PIX_FMT_NONE; | |
| 189 | |||
| 190 |
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73 | if (avctx->bits_per_raw_sample == 10){ |
| 191 | 49 | ctx->unpack_alpha = unpack_alpha_10; | |
| 192 |
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24 | } else if (avctx->bits_per_raw_sample == 12){ |
| 193 | 24 | ctx->unpack_alpha = unpack_alpha_12; | |
| 194 | } else { | ||
| 195 | ✗ | av_log(avctx, AV_LOG_ERROR, "Fail to set unpack_alpha for bits per raw sample %d\n", avctx->bits_per_raw_sample); | |
| 196 | ✗ | return AVERROR_BUG; | |
| 197 | } | ||
| 198 | 73 | return ret; | |
| 199 | } | ||
| 200 | |||
| 201 | 1061 | static int decode_frame_header(ProresContext *ctx, const uint8_t *buf, | |
| 202 | const int data_size, AVCodecContext *avctx) | ||
| 203 | { | ||
| 204 | int hdr_size, width, height, flags; | ||
| 205 | int version; | ||
| 206 | const uint8_t *ptr; | ||
| 207 | enum AVPixelFormat pix_fmt; | ||
| 208 | |||
| 209 | 1061 | hdr_size = AV_RB16(buf); | |
| 210 | ff_dlog(avctx, "header size %d\n", hdr_size); | ||
| 211 |
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1061 | if (hdr_size > data_size) { |
| 212 | ✗ | av_log(avctx, AV_LOG_ERROR, "error, wrong header size\n"); | |
| 213 | ✗ | return AVERROR_INVALIDDATA; | |
| 214 | } | ||
| 215 | |||
| 216 | 1061 | version = AV_RB16(buf + 2); | |
| 217 | ff_dlog(avctx, "%.4s version %d\n", buf+4, version); | ||
| 218 |
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1061 | if (version > 1) { |
| 219 | ✗ | av_log(avctx, AV_LOG_ERROR, "unsupported version: %d\n", version); | |
| 220 | ✗ | return AVERROR_PATCHWELCOME; | |
| 221 | } | ||
| 222 | |||
| 223 | 1061 | width = AV_RB16(buf + 8); | |
| 224 | 1061 | height = AV_RB16(buf + 10); | |
| 225 | |||
| 226 |
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1061 | if (width != avctx->width || height != avctx->height) { |
| 227 | int ret; | ||
| 228 | |||
| 229 | ✗ | av_log(avctx, AV_LOG_WARNING, "picture resolution change: %dx%d -> %dx%d\n", | |
| 230 | avctx->width, avctx->height, width, height); | ||
| 231 | ✗ | if ((ret = ff_set_dimensions(avctx, width, height)) < 0) | |
| 232 | ✗ | return ret; | |
| 233 | } | ||
| 234 | |||
| 235 | 1061 | ctx->frame_type = (buf[12] >> 2) & 3; | |
| 236 | 1061 | ctx->alpha_info = buf[17] & 0xf; | |
| 237 | |||
| 238 |
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1061 | if (ctx->alpha_info > 2) { |
| 239 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid alpha mode %d\n", ctx->alpha_info); | |
| 240 | ✗ | return AVERROR_INVALIDDATA; | |
| 241 | } | ||
| 242 |
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1061 | if (avctx->skip_alpha) ctx->alpha_info = 0; |
| 243 | |||
| 244 | ff_dlog(avctx, "frame type %d\n", ctx->frame_type); | ||
| 245 | |||
| 246 |
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1061 | if (ctx->frame_type == 0) { |
| 247 | 633 | ctx->scan = ctx->progressive_scan; // permuted | |
| 248 | } else { | ||
| 249 | 428 | ctx->scan = ctx->interlaced_scan; // permuted | |
| 250 | 428 | ctx->frame->flags |= AV_FRAME_FLAG_INTERLACED; | |
| 251 |
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428 | if (ctx->frame_type == 1) |
| 252 | 408 | ctx->frame->flags |= AV_FRAME_FLAG_TOP_FIELD_FIRST; | |
| 253 | } | ||
| 254 | |||
| 255 |
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1061 | if (ctx->alpha_info) { |
| 256 |
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5 | if (avctx->bits_per_raw_sample == 10) { |
| 257 | ✗ | pix_fmt = (buf[12] & 0xC0) == 0xC0 ? AV_PIX_FMT_YUVA444P10 : AV_PIX_FMT_YUVA422P10; | |
| 258 | } else { /* 12b */ | ||
| 259 |
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5 | pix_fmt = (buf[12] & 0xC0) == 0xC0 ? AV_PIX_FMT_YUVA444P12 : AV_PIX_FMT_YUVA422P12; |
| 260 | } | ||
| 261 | } else { | ||
| 262 |
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1056 | if (avctx->bits_per_raw_sample == 10) { |
| 263 |
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643 | pix_fmt = (buf[12] & 0xC0) == 0xC0 ? AV_PIX_FMT_YUV444P10 : AV_PIX_FMT_YUV422P10; |
| 264 | } else { /* 12b */ | ||
| 265 |
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413 | pix_fmt = (buf[12] & 0xC0) == 0xC0 ? AV_PIX_FMT_YUV444P12 : AV_PIX_FMT_YUV422P12; |
| 266 | } | ||
| 267 | } | ||
| 268 | |||
| 269 |
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1061 | if (pix_fmt != ctx->pix_fmt) { |
| 270 | #define HWACCEL_MAX (CONFIG_PRORES_VIDEOTOOLBOX_HWACCEL) | ||
| 271 | 70 | enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts; | |
| 272 | int ret; | ||
| 273 | |||
| 274 | 70 | ctx->pix_fmt = pix_fmt; | |
| 275 | |||
| 276 | #if CONFIG_PRORES_VIDEOTOOLBOX_HWACCEL | ||
| 277 | *fmtp++ = AV_PIX_FMT_VIDEOTOOLBOX; | ||
| 278 | #endif | ||
| 279 | 70 | *fmtp++ = ctx->pix_fmt; | |
| 280 | 70 | *fmtp = AV_PIX_FMT_NONE; | |
| 281 | |||
| 282 |
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70 | if ((ret = ff_get_format(avctx, pix_fmts)) < 0) |
| 283 | ✗ | return ret; | |
| 284 | |||
| 285 | 70 | avctx->pix_fmt = ret; | |
| 286 | } | ||
| 287 | |||
| 288 | 1061 | ctx->frame->color_primaries = buf[14]; | |
| 289 | 1061 | ctx->frame->color_trc = buf[15]; | |
| 290 | 1061 | ctx->frame->colorspace = buf[16]; | |
| 291 | 1061 | ctx->frame->color_range = AVCOL_RANGE_MPEG; | |
| 292 | |||
| 293 | 1061 | ptr = buf + 20; | |
| 294 | 1061 | flags = buf[19]; | |
| 295 | ff_dlog(avctx, "flags %x\n", flags); | ||
| 296 | |||
| 297 |
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1061 | if (flags & 2) { |
| 298 |
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1061 | if(buf + data_size - ptr < 64) { |
| 299 | ✗ | av_log(avctx, AV_LOG_ERROR, "Header truncated\n"); | |
| 300 | ✗ | return AVERROR_INVALIDDATA; | |
| 301 | } | ||
| 302 | 1061 | ff_permute_scantable(ctx->qmat_luma, ctx->prodsp.idct_permutation, ptr); | |
| 303 | 1061 | ptr += 64; | |
| 304 | } else { | ||
| 305 | ✗ | memset(ctx->qmat_luma, 4, 64); | |
| 306 | } | ||
| 307 | |||
| 308 |
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1061 | if (flags & 1) { |
| 309 |
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1061 | if(buf + data_size - ptr < 64) { |
| 310 | ✗ | av_log(avctx, AV_LOG_ERROR, "Header truncated\n"); | |
| 311 | ✗ | return AVERROR_INVALIDDATA; | |
| 312 | } | ||
| 313 | 1061 | ff_permute_scantable(ctx->qmat_chroma, ctx->prodsp.idct_permutation, ptr); | |
| 314 | } else { | ||
| 315 | ✗ | memcpy(ctx->qmat_chroma, ctx->qmat_luma, 64); | |
| 316 | } | ||
| 317 | |||
| 318 | 1061 | return hdr_size; | |
| 319 | } | ||
| 320 | |||
| 321 | 1489 | static int decode_picture_header(AVCodecContext *avctx, const uint8_t *buf, const int buf_size) | |
| 322 | { | ||
| 323 | 1489 | ProresContext *ctx = avctx->priv_data; | |
| 324 | int i, hdr_size, slice_count; | ||
| 325 | unsigned pic_data_size; | ||
| 326 | int log2_slice_mb_width, log2_slice_mb_height; | ||
| 327 | int slice_mb_count, mb_x, mb_y; | ||
| 328 | const uint8_t *data_ptr, *index_ptr; | ||
| 329 | |||
| 330 | 1489 | hdr_size = buf[0] >> 3; | |
| 331 |
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1489 | if (hdr_size < 8 || hdr_size > buf_size) { |
| 332 | ✗ | av_log(avctx, AV_LOG_ERROR, "error, wrong picture header size\n"); | |
| 333 | ✗ | return AVERROR_INVALIDDATA; | |
| 334 | } | ||
| 335 | |||
| 336 | 1489 | pic_data_size = AV_RB32(buf + 1); | |
| 337 |
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1489 | if (pic_data_size > buf_size) { |
| 338 | ✗ | av_log(avctx, AV_LOG_ERROR, "error, wrong picture data size\n"); | |
| 339 | ✗ | return AVERROR_INVALIDDATA; | |
| 340 | } | ||
| 341 | |||
| 342 | 1489 | log2_slice_mb_width = buf[7] >> 4; | |
| 343 | 1489 | log2_slice_mb_height = buf[7] & 0xF; | |
| 344 |
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1489 | if (log2_slice_mb_width > 3 || log2_slice_mb_height) { |
| 345 | ✗ | av_log(avctx, AV_LOG_ERROR, "unsupported slice resolution: %dx%d\n", | |
| 346 | 1 << log2_slice_mb_width, 1 << log2_slice_mb_height); | ||
| 347 | ✗ | return AVERROR_INVALIDDATA; | |
| 348 | } | ||
| 349 | |||
| 350 | 1489 | ctx->mb_width = (avctx->width + 15) >> 4; | |
| 351 |
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1489 | if (ctx->frame_type) |
| 352 | 856 | ctx->mb_height = (avctx->height + 31) >> 5; | |
| 353 | else | ||
| 354 | 633 | ctx->mb_height = (avctx->height + 15) >> 4; | |
| 355 | |||
| 356 | // QT ignores the written value | ||
| 357 | // slice_count = AV_RB16(buf + 5); | ||
| 358 | 1489 | slice_count = ctx->mb_height * ((ctx->mb_width >> log2_slice_mb_width) + | |
| 359 | 1489 | av_popcount(ctx->mb_width & (1 << log2_slice_mb_width) - 1)); | |
| 360 | |||
| 361 |
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1489 | if (ctx->slice_count != slice_count || !ctx->slices) { |
| 362 | 70 | av_freep(&ctx->slices); | |
| 363 | 70 | ctx->slice_count = 0; | |
| 364 | 70 | ctx->slices = av_calloc(slice_count, sizeof(*ctx->slices)); | |
| 365 |
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70 | if (!ctx->slices) |
| 366 | ✗ | return AVERROR(ENOMEM); | |
| 367 | 70 | ctx->slice_count = slice_count; | |
| 368 | } | ||
| 369 | |||
| 370 |
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1489 | if (!slice_count) |
| 371 | ✗ | return AVERROR(EINVAL); | |
| 372 | |||
| 373 |
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1489 | if (hdr_size + slice_count*2 > buf_size) { |
| 374 | ✗ | av_log(avctx, AV_LOG_ERROR, "error, wrong slice count\n"); | |
| 375 | ✗ | return AVERROR_INVALIDDATA; | |
| 376 | } | ||
| 377 | |||
| 378 | // parse slice information | ||
| 379 | 1489 | index_ptr = buf + hdr_size; | |
| 380 | 1489 | data_ptr = index_ptr + slice_count*2; | |
| 381 | |||
| 382 | 1489 | slice_mb_count = 1 << log2_slice_mb_width; | |
| 383 | 1489 | mb_x = 0; | |
| 384 | 1489 | mb_y = 0; | |
| 385 | |||
| 386 |
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89359 | for (i = 0; i < slice_count; i++) { |
| 387 | 87870 | SliceContext *slice = &ctx->slices[i]; | |
| 388 | |||
| 389 | 87870 | slice->data = data_ptr; | |
| 390 | 87870 | data_ptr += AV_RB16(index_ptr + i*2); | |
| 391 | |||
| 392 |
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118515 | while (ctx->mb_width - mb_x < slice_mb_count) |
| 393 | 30645 | slice_mb_count >>= 1; | |
| 394 | |||
| 395 | 87870 | slice->mb_x = mb_x; | |
| 396 | 87870 | slice->mb_y = mb_y; | |
| 397 | 87870 | slice->mb_count = slice_mb_count; | |
| 398 | 87870 | slice->data_size = data_ptr - slice->data; | |
| 399 | |||
| 400 |
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87870 | if (slice->data_size < 6) { |
| 401 | ✗ | av_log(avctx, AV_LOG_ERROR, "error, wrong slice data size\n"); | |
| 402 | ✗ | return AVERROR_INVALIDDATA; | |
| 403 | } | ||
| 404 | |||
| 405 | 87870 | mb_x += slice_mb_count; | |
| 406 |
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87870 | if (mb_x == ctx->mb_width) { |
| 407 | 16977 | slice_mb_count = 1 << log2_slice_mb_width; | |
| 408 | 16977 | mb_x = 0; | |
| 409 | 16977 | mb_y++; | |
| 410 | } | ||
| 411 |
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87870 | if (data_ptr > buf + buf_size) { |
| 412 | ✗ | av_log(avctx, AV_LOG_ERROR, "error, slice out of bounds\n"); | |
| 413 | ✗ | return AVERROR_INVALIDDATA; | |
| 414 | } | ||
| 415 | } | ||
| 416 | |||
| 417 |
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1489 | if (mb_x || mb_y != ctx->mb_height) { |
| 418 | ✗ | av_log(avctx, AV_LOG_ERROR, "error wrong mb count y %d h %d\n", | |
| 419 | mb_y, ctx->mb_height); | ||
| 420 | ✗ | return AVERROR_INVALIDDATA; | |
| 421 | } | ||
| 422 | |||
| 423 | 1489 | return pic_data_size; | |
| 424 | } | ||
| 425 | |||
| 426 | #define DECODE_CODEWORD(val, codebook, SKIP) \ | ||
| 427 | do { \ | ||
| 428 | unsigned int rice_order, exp_order, switch_bits; \ | ||
| 429 | unsigned int q, buf, bits; \ | ||
| 430 | \ | ||
| 431 | UPDATE_CACHE(re, gb); \ | ||
| 432 | buf = GET_CACHE(re, gb); \ | ||
| 433 | \ | ||
| 434 | /* number of bits to switch between rice and exp golomb */ \ | ||
| 435 | switch_bits = codebook & 3; \ | ||
| 436 | rice_order = codebook >> 5; \ | ||
| 437 | exp_order = (codebook >> 2) & 7; \ | ||
| 438 | \ | ||
| 439 | q = 31 - av_log2(buf); \ | ||
| 440 | \ | ||
| 441 | if (q > switch_bits) { /* exp golomb */ \ | ||
| 442 | bits = exp_order - switch_bits + (q<<1); \ | ||
| 443 | if (bits > FFMIN(MIN_CACHE_BITS, 31)) \ | ||
| 444 | return AVERROR_INVALIDDATA; \ | ||
| 445 | val = SHOW_UBITS(re, gb, bits) - (1 << exp_order) + \ | ||
| 446 | ((switch_bits + 1) << rice_order); \ | ||
| 447 | SKIP(re, gb, bits); \ | ||
| 448 | } else if (rice_order) { \ | ||
| 449 | SKIP_BITS(re, gb, q+1); \ | ||
| 450 | val = (q << rice_order) + SHOW_UBITS(re, gb, rice_order); \ | ||
| 451 | SKIP(re, gb, rice_order); \ | ||
| 452 | } else { \ | ||
| 453 | val = q; \ | ||
| 454 | SKIP(re, gb, q+1); \ | ||
| 455 | } \ | ||
| 456 | } while (0) | ||
| 457 | |||
| 458 | #define TOSIGNED(x) (((x) >> 1) ^ (-((x) & 1))) | ||
| 459 | |||
| 460 | #define FIRST_DC_CB 0xB8 | ||
| 461 | |||
| 462 | static const uint8_t dc_codebook[7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70}; | ||
| 463 | |||
| 464 | 262098 | static av_always_inline int decode_dc_coeffs(GetBitContext *gb, int16_t *out, | |
| 465 | int blocks_per_slice) | ||
| 466 | { | ||
| 467 | int16_t prev_dc; | ||
| 468 | int code, i, sign; | ||
| 469 | |||
| 470 | 262098 | OPEN_READER(re, gb); | |
| 471 | |||
| 472 |
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262098 | DECODE_CODEWORD(code, FIRST_DC_CB, LAST_SKIP_BITS); |
| 473 | 262098 | prev_dc = TOSIGNED(code); | |
| 474 | 262098 | out[0] = prev_dc; | |
| 475 | |||
| 476 | 262098 | out += 64; // dc coeff for the next block | |
| 477 | |||
| 478 | 262098 | code = 5; | |
| 479 | 262098 | sign = 0; | |
| 480 |
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5213076 | for (i = 1; i < blocks_per_slice; i++, out += 64) { |
| 481 |
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4950978 | DECODE_CODEWORD(code, dc_codebook[FFMIN(code, 6U)], LAST_SKIP_BITS); |
| 482 |
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4950978 | if(code) sign ^= -(code & 1); |
| 483 | 1852456 | else sign = 0; | |
| 484 | 4950978 | prev_dc += (((code + 1) >> 1) ^ sign) - sign; | |
| 485 | 4950978 | out[0] = prev_dc; | |
| 486 | } | ||
| 487 | 262098 | CLOSE_READER(re, gb); | |
| 488 | 262098 | return 0; | |
| 489 | } | ||
| 490 | |||
| 491 | // adaptive codebook switching lut according to previous run/level values | ||
| 492 | static const uint8_t run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29, 0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C }; | ||
| 493 | static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28, 0x28, 0x28, 0x28, 0x4C }; | ||
| 494 | |||
| 495 | 262098 | static av_always_inline int decode_ac_coeffs(AVCodecContext *avctx, GetBitContext *gb, | |
| 496 | int16_t *out, int blocks_per_slice) | ||
| 497 | { | ||
| 498 | 262098 | const ProresContext *ctx = avctx->priv_data; | |
| 499 | int block_mask, sign; | ||
| 500 | unsigned pos, run, level; | ||
| 501 | int max_coeffs, i, bits_left; | ||
| 502 | 262098 | int log2_block_count = av_log2(blocks_per_slice); | |
| 503 | |||
| 504 | 262098 | OPEN_READER(re, gb); | |
| 505 | 262098 | UPDATE_CACHE(re, gb); \ | |
| 506 | 262098 | run = 4; | |
| 507 | 262098 | level = 2; | |
| 508 | |||
| 509 | 262098 | max_coeffs = 64 << log2_block_count; | |
| 510 | 262098 | block_mask = blocks_per_slice - 1; | |
| 511 | |||
| 512 | 262098 | for (pos = block_mask;;) { | |
| 513 | 84950870 | bits_left = gb->size_in_bits - re_index; | |
| 514 |
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84950870 | if (!bits_left || (bits_left < 32 && !SHOW_UBITS(re, gb, bits_left))) |
| 515 | break; | ||
| 516 | |||
| 517 |
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84688772 | DECODE_CODEWORD(run, run_to_cb[FFMIN(run, 15)], LAST_SKIP_BITS); |
| 518 | 84688772 | pos += run + 1; | |
| 519 |
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84688772 | if (pos >= max_coeffs) { |
| 520 | ✗ | av_log(avctx, AV_LOG_ERROR, "ac tex damaged %d, %d\n", pos, max_coeffs); | |
| 521 | ✗ | return AVERROR_INVALIDDATA; | |
| 522 | } | ||
| 523 | |||
| 524 |
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84688772 | DECODE_CODEWORD(level, lev_to_cb[FFMIN(level, 9)], SKIP_BITS); |
| 525 | 84688772 | level += 1; | |
| 526 | |||
| 527 | 84688772 | i = pos >> log2_block_count; | |
| 528 | |||
| 529 | 84688772 | sign = SHOW_SBITS(re, gb, 1); | |
| 530 | 84688772 | SKIP_BITS(re, gb, 1); | |
| 531 | 84688772 | out[((pos & block_mask) << 6) + ctx->scan[i]] = ((level ^ sign) - sign); | |
| 532 | } | ||
| 533 | |||
| 534 | 262098 | CLOSE_READER(re, gb); | |
| 535 | 262098 | return 0; | |
| 536 | } | ||
| 537 | |||
| 538 | 87870 | static int decode_slice_luma(AVCodecContext *avctx, SliceContext *slice, | |
| 539 | uint16_t *dst, int dst_stride, | ||
| 540 | const uint8_t *buf, unsigned buf_size, | ||
| 541 | const int16_t *qmat) | ||
| 542 | { | ||
| 543 | 87870 | const ProresContext *ctx = avctx->priv_data; | |
| 544 | 87870 | LOCAL_ALIGNED_32(int16_t, blocks, [8*4*64]); | |
| 545 | int16_t *block; | ||
| 546 | GetBitContext gb; | ||
| 547 | 87870 | int i, blocks_per_slice = slice->mb_count<<2; | |
| 548 | int ret; | ||
| 549 | |||
| 550 |
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2296434 | for (i = 0; i < blocks_per_slice; i++) |
| 551 | 2208564 | ctx->bdsp.clear_block(blocks+(i<<6)); | |
| 552 | |||
| 553 | 87870 | init_get_bits(&gb, buf, buf_size << 3); | |
| 554 | |||
| 555 |
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87870 | if ((ret = decode_dc_coeffs(&gb, blocks, blocks_per_slice)) < 0) |
| 556 | ✗ | return ret; | |
| 557 |
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87870 | if ((ret = decode_ac_coeffs(avctx, &gb, blocks, blocks_per_slice)) < 0) |
| 558 | ✗ | return ret; | |
| 559 | |||
| 560 | 87870 | block = blocks; | |
| 561 |
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640011 | for (i = 0; i < slice->mb_count; i++) { |
| 562 | 552141 | ctx->prodsp.idct_put(dst, dst_stride, block+(0<<6), qmat); | |
| 563 | 552141 | ctx->prodsp.idct_put(dst +8, dst_stride, block+(1<<6), qmat); | |
| 564 | 552141 | ctx->prodsp.idct_put(dst+4*dst_stride , dst_stride, block+(2<<6), qmat); | |
| 565 | 552141 | ctx->prodsp.idct_put(dst+4*dst_stride+8, dst_stride, block+(3<<6), qmat); | |
| 566 | 552141 | block += 4*64; | |
| 567 | 552141 | dst += 16; | |
| 568 | } | ||
| 569 | 87870 | return 0; | |
| 570 | } | ||
| 571 | |||
| 572 | 174228 | static int decode_slice_chroma(AVCodecContext *avctx, SliceContext *slice, | |
| 573 | uint16_t *dst, int dst_stride, | ||
| 574 | const uint8_t *buf, unsigned buf_size, | ||
| 575 | const int16_t *qmat, int log2_blocks_per_mb) | ||
| 576 | { | ||
| 577 | 174228 | ProresContext *ctx = avctx->priv_data; | |
| 578 | 174228 | LOCAL_ALIGNED_32(int16_t, blocks, [8*4*64]); | |
| 579 | int16_t *block; | ||
| 580 | GetBitContext gb; | ||
| 581 | 174228 | int i, j, blocks_per_slice = slice->mb_count << log2_blocks_per_mb; | |
| 582 | int ret; | ||
| 583 | |||
| 584 |
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3178740 | for (i = 0; i < blocks_per_slice; i++) |
| 585 | 3004512 | ctx->bdsp.clear_block(blocks+(i<<6)); | |
| 586 | |||
| 587 | 174228 | init_get_bits(&gb, buf, buf_size << 3); | |
| 588 | |||
| 589 |
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174228 | if ((ret = decode_dc_coeffs(&gb, blocks, blocks_per_slice)) < 0) |
| 590 | ✗ | return ret; | |
| 591 |
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174228 | if ((ret = decode_ac_coeffs(avctx, &gb, blocks, blocks_per_slice)) < 0) |
| 592 | ✗ | return ret; | |
| 593 | |||
| 594 | 174228 | block = blocks; | |
| 595 |
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1268790 | for (i = 0; i < slice->mb_count; i++) { |
| 596 |
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2596818 | for (j = 0; j < log2_blocks_per_mb; j++) { |
| 597 | 1502256 | ctx->prodsp.idct_put(dst, dst_stride, block+(0<<6), qmat); | |
| 598 | 1502256 | ctx->prodsp.idct_put(dst+4*dst_stride, dst_stride, block+(1<<6), qmat); | |
| 599 | 1502256 | block += 2*64; | |
| 600 | 1502256 | dst += 8; | |
| 601 | } | ||
| 602 | } | ||
| 603 | 174228 | return 0; | |
| 604 | } | ||
| 605 | |||
| 606 | /** | ||
| 607 | * Decode alpha slice plane. | ||
| 608 | */ | ||
| 609 | 5100 | static void decode_slice_alpha(const ProresContext *ctx, | |
| 610 | uint16_t *dst, int dst_stride, | ||
| 611 | const uint8_t *buf, int buf_size, | ||
| 612 | int blocks_per_slice) | ||
| 613 | { | ||
| 614 | GetBitContext gb; | ||
| 615 | int i; | ||
| 616 | 5100 | LOCAL_ALIGNED_32(int16_t, blocks, [8*4*64]); | |
| 617 | int16_t *block; | ||
| 618 | |||
| 619 |
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168300 | for (i = 0; i < blocks_per_slice<<2; i++) |
| 620 | 163200 | ctx->bdsp.clear_block(blocks+(i<<6)); | |
| 621 | |||
| 622 | 5100 | init_get_bits(&gb, buf, buf_size << 3); | |
| 623 | |||
| 624 |
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5100 | if (ctx->alpha_info == 2) { |
| 625 | 5100 | ctx->unpack_alpha(&gb, blocks, blocks_per_slice * 4 * 64, 16); | |
| 626 | } else { | ||
| 627 | ✗ | ctx->unpack_alpha(&gb, blocks, blocks_per_slice * 4 * 64, 8); | |
| 628 | } | ||
| 629 | |||
| 630 | 5100 | block = blocks; | |
| 631 | |||
| 632 |
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86700 | for (i = 0; i < 16; i++) { |
| 633 | 81600 | memcpy(dst, block, 16 * blocks_per_slice * sizeof(*dst)); | |
| 634 | 81600 | dst += dst_stride >> 1; | |
| 635 | 81600 | block += 16 * blocks_per_slice; | |
| 636 | } | ||
| 637 | 5100 | } | |
| 638 | |||
| 639 | 87870 | static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr) | |
| 640 | { | ||
| 641 | 87870 | const ProresContext *ctx = avctx->priv_data; | |
| 642 | 87870 | SliceContext *slice = &ctx->slices[jobnr]; | |
| 643 | 87870 | const uint8_t *buf = slice->data; | |
| 644 | 87870 | AVFrame *pic = ctx->frame; | |
| 645 | int i, hdr_size, qscale, log2_chroma_blocks_per_mb; | ||
| 646 | int luma_stride, chroma_stride; | ||
| 647 | int y_data_size, u_data_size, v_data_size, a_data_size, offset; | ||
| 648 | uint8_t *dest_y, *dest_u, *dest_v; | ||
| 649 | 87870 | LOCAL_ALIGNED_16(int16_t, qmat_luma_scaled, [64]); | |
| 650 | 87870 | LOCAL_ALIGNED_16(int16_t, qmat_chroma_scaled,[64]); | |
| 651 | int mb_x_shift; | ||
| 652 | int ret; | ||
| 653 | uint16_t val_no_chroma; | ||
| 654 | |||
| 655 | 87870 | slice->ret = -1; | |
| 656 | //av_log(avctx, AV_LOG_INFO, "slice %d mb width %d mb x %d y %d\n", | ||
| 657 | // jobnr, slice->mb_count, slice->mb_x, slice->mb_y); | ||
| 658 | |||
| 659 | // slice header | ||
| 660 | 87870 | hdr_size = buf[0] >> 3; | |
| 661 | 87870 | qscale = av_clip(buf[1], 1, 224); | |
| 662 |
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87870 | qscale = qscale > 128 ? qscale - 96 << 2: qscale; |
| 663 | 87870 | y_data_size = AV_RB16(buf + 2); | |
| 664 | 87870 | u_data_size = AV_RB16(buf + 4); | |
| 665 | 87870 | v_data_size = slice->data_size - y_data_size - u_data_size - hdr_size; | |
| 666 |
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87870 | if (hdr_size > 7) v_data_size = AV_RB16(buf + 6); |
| 667 | 87870 | a_data_size = slice->data_size - y_data_size - u_data_size - | |
| 668 | 87870 | v_data_size - hdr_size; | |
| 669 | |||
| 670 |
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87870 | if (y_data_size < 0 || u_data_size < 0 || v_data_size < 0 |
| 671 |
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87870 | || hdr_size+y_data_size+u_data_size+v_data_size > slice->data_size){ |
| 672 | ✗ | av_log(avctx, AV_LOG_ERROR, "invalid plane data size\n"); | |
| 673 | ✗ | return AVERROR_INVALIDDATA; | |
| 674 | } | ||
| 675 | |||
| 676 | 87870 | buf += hdr_size; | |
| 677 | |||
| 678 |
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5711550 | for (i = 0; i < 64; i++) { |
| 679 | 5623680 | qmat_luma_scaled [i] = ctx->qmat_luma [i] * qscale; | |
| 680 | 5623680 | qmat_chroma_scaled[i] = ctx->qmat_chroma[i] * qscale; | |
| 681 | } | ||
| 682 | |||
| 683 |
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87870 | if (ctx->frame_type == 0) { |
| 684 | 44622 | luma_stride = pic->linesize[0]; | |
| 685 | 44622 | chroma_stride = pic->linesize[1]; | |
| 686 | } else { | ||
| 687 | 43248 | luma_stride = pic->linesize[0] << 1; | |
| 688 | 43248 | chroma_stride = pic->linesize[1] << 1; | |
| 689 | } | ||
| 690 | |||
| 691 |
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87870 | if (avctx->pix_fmt == AV_PIX_FMT_YUV444P10 || avctx->pix_fmt == AV_PIX_FMT_YUVA444P10 || |
| 692 |
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87870 | avctx->pix_fmt == AV_PIX_FMT_YUV444P12 || avctx->pix_fmt == AV_PIX_FMT_YUVA444P12) { |
| 693 | 32946 | mb_x_shift = 5; | |
| 694 | 32946 | log2_chroma_blocks_per_mb = 2; | |
| 695 | } else { | ||
| 696 | 54924 | mb_x_shift = 4; | |
| 697 | 54924 | log2_chroma_blocks_per_mb = 1; | |
| 698 | } | ||
| 699 | |||
| 700 | 87870 | offset = (slice->mb_y << 4) * luma_stride + (slice->mb_x << 5); | |
| 701 | 87870 | dest_y = pic->data[0] + offset; | |
| 702 | 87870 | dest_u = pic->data[1] + (slice->mb_y << 4) * chroma_stride + (slice->mb_x << mb_x_shift); | |
| 703 | 87870 | dest_v = pic->data[2] + (slice->mb_y << 4) * chroma_stride + (slice->mb_x << mb_x_shift); | |
| 704 | |||
| 705 |
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87870 | if (ctx->frame_type && ctx->first_field ^ !!(ctx->frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST)) { |
| 706 | 21624 | dest_y += pic->linesize[0]; | |
| 707 | 21624 | dest_u += pic->linesize[1]; | |
| 708 | 21624 | dest_v += pic->linesize[2]; | |
| 709 | 21624 | offset += pic->linesize[3]; | |
| 710 | } | ||
| 711 | |||
| 712 | 87870 | ret = decode_slice_luma(avctx, slice, (uint16_t*)dest_y, luma_stride, | |
| 713 | buf, y_data_size, qmat_luma_scaled); | ||
| 714 |
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87870 | if (ret < 0) |
| 715 | ✗ | return ret; | |
| 716 | |||
| 717 |
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87870 | if (!(avctx->flags & AV_CODEC_FLAG_GRAY) && (u_data_size + v_data_size) > 0) { |
| 718 | 87114 | ret = decode_slice_chroma(avctx, slice, (uint16_t*)dest_u, chroma_stride, | |
| 719 | buf + y_data_size, u_data_size, | ||
| 720 | qmat_chroma_scaled, log2_chroma_blocks_per_mb); | ||
| 721 |
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87114 | if (ret < 0) |
| 722 | ✗ | return ret; | |
| 723 | |||
| 724 | 87114 | ret = decode_slice_chroma(avctx, slice, (uint16_t*)dest_v, chroma_stride, | |
| 725 | 87114 | buf + y_data_size + u_data_size, v_data_size, | |
| 726 | qmat_chroma_scaled, log2_chroma_blocks_per_mb); | ||
| 727 |
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87114 | if (ret < 0) |
| 728 | ✗ | return ret; | |
| 729 | } | ||
| 730 | else { | ||
| 731 | 756 | size_t mb_max_x = slice->mb_count << (mb_x_shift - 1); | |
| 732 | size_t i, j; | ||
| 733 |
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756 | if (avctx->bits_per_raw_sample == 10) { |
| 734 | 756 | val_no_chroma = 511; | |
| 735 | } else { /* 12b */ | ||
| 736 | ✗ | val_no_chroma = 511 * 4; | |
| 737 | } | ||
| 738 |
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12852 | for (i = 0; i < 16; ++i) |
| 739 |
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634176 | for (j = 0; j < mb_max_x; ++j) { |
| 740 | 622080 | *(uint16_t*)(dest_u + (i * chroma_stride) + (j << 1)) = val_no_chroma; | |
| 741 | 622080 | *(uint16_t*)(dest_v + (i * chroma_stride) + (j << 1)) = val_no_chroma; | |
| 742 | } | ||
| 743 | } | ||
| 744 | |||
| 745 | /* decode alpha plane if available */ | ||
| 746 |
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87870 | if (ctx->alpha_info && pic->data[3] && a_data_size) { |
| 747 | 5100 | uint8_t *dest_a = pic->data[3] + offset; | |
| 748 | 5100 | decode_slice_alpha(ctx, (uint16_t*)dest_a, luma_stride, | |
| 749 | 5100 | buf + y_data_size + u_data_size + v_data_size, | |
| 750 | 5100 | a_data_size, slice->mb_count); | |
| 751 | } | ||
| 752 | |||
| 753 | 87870 | slice->ret = 0; | |
| 754 | 87870 | return 0; | |
| 755 | } | ||
| 756 | |||
| 757 | 1489 | static int decode_picture(AVCodecContext *avctx) | |
| 758 | { | ||
| 759 | 1489 | ProresContext *ctx = avctx->priv_data; | |
| 760 | int i; | ||
| 761 | 1489 | int error = 0; | |
| 762 | |||
| 763 | 1489 | avctx->execute2(avctx, decode_slice_thread, NULL, NULL, ctx->slice_count); | |
| 764 | |||
| 765 |
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89359 | for (i = 0; i < ctx->slice_count; i++) |
| 766 | 87870 | error += ctx->slices[i].ret < 0; | |
| 767 | |||
| 768 |
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1489 | if (error) |
| 769 | ✗ | ctx->frame->decode_error_flags = FF_DECODE_ERROR_INVALID_BITSTREAM; | |
| 770 |
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1489 | if (error < ctx->slice_count) |
| 771 | 1489 | return 0; | |
| 772 | |||
| 773 | ✗ | return ctx->slices[0].ret; | |
| 774 | } | ||
| 775 | |||
| 776 | 1061 | static int decode_frame(AVCodecContext *avctx, AVFrame *frame, | |
| 777 | int *got_frame, AVPacket *avpkt) | ||
| 778 | { | ||
| 779 | 1061 | ProresContext *ctx = avctx->priv_data; | |
| 780 | 1061 | const uint8_t *buf = avpkt->data; | |
| 781 | 1061 | int buf_size = avpkt->size; | |
| 782 | int frame_hdr_size, pic_size, ret; | ||
| 783 | |||
| 784 |
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1061 | if (buf_size < 28 || AV_RL32(buf + 4) != AV_RL32("icpf")) { |
| 785 | ✗ | av_log(avctx, AV_LOG_ERROR, "invalid frame header\n"); | |
| 786 | ✗ | return AVERROR_INVALIDDATA; | |
| 787 | } | ||
| 788 | |||
| 789 | 1061 | ctx->frame = frame; | |
| 790 | 1061 | ctx->frame->pict_type = AV_PICTURE_TYPE_I; | |
| 791 | 1061 | ctx->frame->flags |= AV_FRAME_FLAG_KEY; | |
| 792 | 1061 | ctx->first_field = 1; | |
| 793 | |||
| 794 | 1061 | buf += 8; | |
| 795 | 1061 | buf_size -= 8; | |
| 796 | |||
| 797 | 1061 | frame_hdr_size = decode_frame_header(ctx, buf, buf_size, avctx); | |
| 798 |
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1061 | if (frame_hdr_size < 0) |
| 799 | ✗ | return frame_hdr_size; | |
| 800 | |||
| 801 | 1061 | buf += frame_hdr_size; | |
| 802 | 1061 | buf_size -= frame_hdr_size; | |
| 803 | |||
| 804 |
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1061 | if ((ret = ff_thread_get_buffer(avctx, frame, 0)) < 0) |
| 805 | ✗ | return ret; | |
| 806 | 1061 | ff_thread_finish_setup(avctx); | |
| 807 | |||
| 808 |
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1061 | if (avctx->hwaccel) { |
| 809 | ✗ | const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel); | |
| 810 | ✗ | ret = hwaccel->start_frame(avctx, NULL, 0); | |
| 811 | ✗ | if (ret < 0) | |
| 812 | ✗ | return ret; | |
| 813 | ✗ | ret = hwaccel->decode_slice(avctx, avpkt->data, avpkt->size); | |
| 814 | ✗ | if (ret < 0) | |
| 815 | ✗ | return ret; | |
| 816 | ✗ | ret = hwaccel->end_frame(avctx); | |
| 817 | ✗ | if (ret < 0) | |
| 818 | ✗ | return ret; | |
| 819 | ✗ | goto finish; | |
| 820 | } | ||
| 821 | |||
| 822 | 1061 | decode_picture: | |
| 823 | 1489 | pic_size = decode_picture_header(avctx, buf, buf_size); | |
| 824 |
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1489 | if (pic_size < 0) { |
| 825 | ✗ | av_log(avctx, AV_LOG_ERROR, "error decoding picture header\n"); | |
| 826 | ✗ | return pic_size; | |
| 827 | } | ||
| 828 | |||
| 829 |
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1489 | if ((ret = decode_picture(avctx)) < 0) { |
| 830 | ✗ | av_log(avctx, AV_LOG_ERROR, "error decoding picture\n"); | |
| 831 | ✗ | return ret; | |
| 832 | } | ||
| 833 | |||
| 834 | 1489 | buf += pic_size; | |
| 835 | 1489 | buf_size -= pic_size; | |
| 836 | |||
| 837 |
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1489 | if (ctx->frame_type && buf_size > 0 && ctx->first_field) { |
| 838 | 428 | ctx->first_field = 0; | |
| 839 | 428 | goto decode_picture; | |
| 840 | } | ||
| 841 | |||
| 842 | 1061 | finish: | |
| 843 | 1061 | *got_frame = 1; | |
| 844 | |||
| 845 | 1061 | return avpkt->size; | |
| 846 | } | ||
| 847 | |||
| 848 | 73 | static av_cold int decode_close(AVCodecContext *avctx) | |
| 849 | { | ||
| 850 | 73 | ProresContext *ctx = avctx->priv_data; | |
| 851 | |||
| 852 | 73 | av_freep(&ctx->slices); | |
| 853 | |||
| 854 | 73 | return 0; | |
| 855 | } | ||
| 856 | |||
| 857 | #if HAVE_THREADS | ||
| 858 | ✗ | static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src) | |
| 859 | { | ||
| 860 | ✗ | ProresContext *csrc = src->priv_data; | |
| 861 | ✗ | ProresContext *cdst = dst->priv_data; | |
| 862 | |||
| 863 | ✗ | cdst->pix_fmt = csrc->pix_fmt; | |
| 864 | |||
| 865 | ✗ | return 0; | |
| 866 | } | ||
| 867 | #endif | ||
| 868 | |||
| 869 | const FFCodec ff_prores_decoder = { | ||
| 870 | .p.name = "prores", | ||
| 871 | CODEC_LONG_NAME("Apple ProRes (iCodec Pro)"), | ||
| 872 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 873 | .p.id = AV_CODEC_ID_PRORES, | ||
| 874 | .priv_data_size = sizeof(ProresContext), | ||
| 875 | .init = decode_init, | ||
| 876 | .close = decode_close, | ||
| 877 | FF_CODEC_DECODE_CB(decode_frame), | ||
| 878 | UPDATE_THREAD_CONTEXT(update_thread_context), | ||
| 879 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS | AV_CODEC_CAP_FRAME_THREADS, | ||
| 880 | .p.profiles = NULL_IF_CONFIG_SMALL(ff_prores_profiles), | ||
| 881 | .hw_configs = (const AVCodecHWConfigInternal *const []) { | ||
| 882 | #if CONFIG_PRORES_VIDEOTOOLBOX_HWACCEL | ||
| 883 | HWACCEL_VIDEOTOOLBOX(prores), | ||
| 884 | #endif | ||
| 885 | NULL | ||
| 886 | }, | ||
| 887 | }; | ||
| 888 |