| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * copyright (c) 2007 Luca Abeni | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "config_components.h" | ||
| 22 | |||
| 23 | #include <string.h> | ||
| 24 | #include "libavutil/avstring.h" | ||
| 25 | #include "libavutil/base64.h" | ||
| 26 | #include "libavutil/dict.h" | ||
| 27 | #include "libavutil/mem.h" | ||
| 28 | #include "libavutil/parseutils.h" | ||
| 29 | #include "libavutil/opt.h" | ||
| 30 | #include "libavcodec/xiph.h" | ||
| 31 | #include "libavcodec/mpeg4audio.h" | ||
| 32 | #include "avformat.h" | ||
| 33 | #include "internal.h" | ||
| 34 | #include "av1.h" | ||
| 35 | #include "avc.h" | ||
| 36 | #include "hevc.h" | ||
| 37 | #include "nal.h" | ||
| 38 | #include "rtp.h" | ||
| 39 | #include "version.h" | ||
| 40 | #if CONFIG_NETWORK | ||
| 41 | #include "network.h" | ||
| 42 | #endif | ||
| 43 | |||
| 44 | #if CONFIG_RTP_MUXER | ||
| 45 | #define MAX_EXTRADATA_SIZE ((INT_MAX - 10) / 2) | ||
| 46 | |||
| 47 | struct sdp_session_level { | ||
| 48 | int sdp_version; /**< protocol version (currently 0) */ | ||
| 49 | int id; /**< session ID */ | ||
| 50 | int version; /**< session version */ | ||
| 51 | int start_time; /**< session start time (NTP time, in seconds), | ||
| 52 | or 0 in case of permanent session */ | ||
| 53 | int end_time; /**< session end time (NTP time, in seconds), | ||
| 54 | or 0 if the session is not bounded */ | ||
| 55 | int ttl; /**< TTL, in case of multicast stream */ | ||
| 56 | const char *user; /**< username of the session's creator */ | ||
| 57 | const char *src_addr; /**< IP address of the machine from which the session was created */ | ||
| 58 | const char *src_type; /**< address type of src_addr */ | ||
| 59 | const char *dst_addr; /**< destination IP address (can be multicast) */ | ||
| 60 | const char *dst_type; /**< destination IP address type */ | ||
| 61 | const char *name; /**< session name (can be an empty string) */ | ||
| 62 | }; | ||
| 63 | |||
| 64 | 2 | static void sdp_write_address(char *buff, int size, const char *dest_addr, | |
| 65 | const char *dest_type, int ttl) | ||
| 66 | { | ||
| 67 |
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2 | if (dest_addr) { |
| 68 | ✗ | if (!dest_type) | |
| 69 | ✗ | dest_type = "IP4"; | |
| 70 | ✗ | if (ttl > 0 && !strcmp(dest_type, "IP4")) { | |
| 71 | /* The TTL should only be specified for IPv4 multicast addresses, | ||
| 72 | * not for IPv6. */ | ||
| 73 | ✗ | av_strlcatf(buff, size, "c=IN %s %s/%d\r\n", dest_type, dest_addr, ttl); | |
| 74 | } else { | ||
| 75 | ✗ | av_strlcatf(buff, size, "c=IN %s %s\r\n", dest_type, dest_addr); | |
| 76 | } | ||
| 77 | } | ||
| 78 | 2 | } | |
| 79 | |||
| 80 | ✗ | static void sdp_write_header(char *buff, int size, struct sdp_session_level *s) | |
| 81 | { | ||
| 82 | ✗ | av_strlcatf(buff, size, "v=%d\r\n" | |
| 83 | "o=- %d %d IN %s %s\r\n" | ||
| 84 | "s=%s\r\n", | ||
| 85 | s->sdp_version, | ||
| 86 | s->id, s->version, s->src_type, s->src_addr, | ||
| 87 | s->name); | ||
| 88 | ✗ | sdp_write_address(buff, size, s->dst_addr, s->dst_type, s->ttl); | |
| 89 | ✗ | av_strlcatf(buff, size, "t=%d %d\r\n" | |
| 90 | "a=tool:libavformat " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\r\n", | ||
| 91 | s->start_time, s->end_time); | ||
| 92 | ✗ | } | |
| 93 | |||
| 94 | #if CONFIG_NETWORK | ||
| 95 | ✗ | static int resolve_destination(char *dest_addr, int size, char *type, | |
| 96 | int type_size) | ||
| 97 | { | ||
| 98 | ✗ | struct addrinfo hints = { 0 }, *ai; | |
| 99 | int is_multicast; | ||
| 100 | |||
| 101 | ✗ | av_strlcpy(type, "IP4", type_size); | |
| 102 | ✗ | if (!dest_addr[0]) | |
| 103 | ✗ | return 0; | |
| 104 | |||
| 105 | /* Resolve the destination, since it must be written | ||
| 106 | * as a numeric IP address in the SDP. */ | ||
| 107 | |||
| 108 | ✗ | if (getaddrinfo(dest_addr, NULL, &hints, &ai)) | |
| 109 | ✗ | return 0; | |
| 110 | ✗ | getnameinfo(ai->ai_addr, ai->ai_addrlen, dest_addr, size, | |
| 111 | NULL, 0, NI_NUMERICHOST); | ||
| 112 | #ifdef AF_INET6 | ||
| 113 | ✗ | if (ai->ai_family == AF_INET6) | |
| 114 | ✗ | av_strlcpy(type, "IP6", type_size); | |
| 115 | #endif | ||
| 116 | ✗ | is_multicast = ff_is_multicast_address(ai->ai_addr); | |
| 117 | ✗ | freeaddrinfo(ai); | |
| 118 | ✗ | return is_multicast; | |
| 119 | } | ||
| 120 | #else | ||
| 121 | static int resolve_destination(char *dest_addr, int size, char *type, | ||
| 122 | int type_size) | ||
| 123 | { | ||
| 124 | return 0; | ||
| 125 | } | ||
| 126 | #endif | ||
| 127 | |||
| 128 | ✗ | static int sdp_get_address(char *dest_addr, int size, int *ttl, const char *url) | |
| 129 | { | ||
| 130 | int port; | ||
| 131 | const char *p; | ||
| 132 | char proto[32]; | ||
| 133 | |||
| 134 | ✗ | av_url_split(proto, sizeof(proto), NULL, 0, dest_addr, size, &port, NULL, 0, url); | |
| 135 | |||
| 136 | ✗ | *ttl = 0; | |
| 137 | |||
| 138 | ✗ | if (strcmp(proto, "rtp") && strcmp(proto, "srtp")) { | |
| 139 | /* The url isn't for the actual rtp sessions, | ||
| 140 | * don't parse out anything else than the destination. | ||
| 141 | */ | ||
| 142 | ✗ | return 0; | |
| 143 | } | ||
| 144 | |||
| 145 | ✗ | p = strchr(url, '?'); | |
| 146 | ✗ | if (p) { | |
| 147 | char buff[64]; | ||
| 148 | |||
| 149 | ✗ | if (av_find_info_tag(buff, sizeof(buff), "ttl", p)) { | |
| 150 | ✗ | *ttl = strtol(buff, NULL, 10); | |
| 151 | } else { | ||
| 152 | ✗ | *ttl = 5; | |
| 153 | } | ||
| 154 | } | ||
| 155 | |||
| 156 | ✗ | return port; | |
| 157 | } | ||
| 158 | |||
| 159 | ✗ | static int extradata2psets_av1(AVFormatContext *s, const AVCodecParameters *par, | |
| 160 | char **out) | ||
| 161 | { | ||
| 162 | char *psets; | ||
| 163 | AV1SequenceParameters seq; | ||
| 164 | |||
| 165 | ✗ | if (ff_av1_parse_seq_header(&seq, par->extradata, par->extradata_size) < 0) | |
| 166 | ✗ | return AVERROR_INVALIDDATA; | |
| 167 | |||
| 168 | ✗ | psets = av_mallocz(64); | |
| 169 | ✗ | if (!psets) { | |
| 170 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the parameter sets.\n"); | |
| 171 | ✗ | return AVERROR(ENOMEM); | |
| 172 | } | ||
| 173 | ✗ | av_strlcatf(psets, 64, "profile=%u;level-idx=%u;tier=%u", | |
| 174 | ✗ | seq.profile, seq.level, seq.tier); | |
| 175 | ✗ | *out = psets; | |
| 176 | ✗ | return 0; | |
| 177 | } | ||
| 178 | |||
| 179 | #define MAX_PSET_SIZE 1024 | ||
| 180 | ✗ | static int extradata2psets(AVFormatContext *s, const AVCodecParameters *par, | |
| 181 | char **out) | ||
| 182 | { | ||
| 183 | char *psets, *p; | ||
| 184 | const uint8_t *r; | ||
| 185 | static const char pset_string[] = "; sprop-parameter-sets="; | ||
| 186 | static const char profile_string[] = "; profile-level-id="; | ||
| 187 | ✗ | uint8_t *extradata = par->extradata; | |
| 188 | ✗ | int extradata_size = par->extradata_size; | |
| 189 | ✗ | uint8_t *tmpbuf = NULL; | |
| 190 | ✗ | const uint8_t *sps = NULL, *sps_end; | |
| 191 | |||
| 192 | ✗ | *out = NULL; | |
| 193 | |||
| 194 | ✗ | if (par->extradata_size > MAX_EXTRADATA_SIZE) { | |
| 195 | ✗ | av_log(s, AV_LOG_ERROR, "Too much extradata!\n"); | |
| 196 | ✗ | return AVERROR_INVALIDDATA; | |
| 197 | } | ||
| 198 | ✗ | if (par->extradata[0] == 1) { | |
| 199 | ✗ | int ret = ff_avc_write_annexb_extradata(par->extradata, &extradata, | |
| 200 | &extradata_size); | ||
| 201 | ✗ | if (ret < 0) | |
| 202 | ✗ | return ret; | |
| 203 | |||
| 204 | ✗ | tmpbuf = extradata; | |
| 205 | } | ||
| 206 | |||
| 207 | ✗ | psets = av_mallocz(MAX_PSET_SIZE); | |
| 208 | ✗ | if (!psets) { | |
| 209 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the parameter sets.\n"); | |
| 210 | ✗ | av_free(tmpbuf); | |
| 211 | ✗ | return AVERROR(ENOMEM); | |
| 212 | } | ||
| 213 | ✗ | memcpy(psets, pset_string, strlen(pset_string)); | |
| 214 | ✗ | p = psets + strlen(pset_string); | |
| 215 | ✗ | r = ff_nal_find_startcode(extradata, extradata + extradata_size); | |
| 216 | ✗ | while (r < extradata + extradata_size) { | |
| 217 | const uint8_t *r1; | ||
| 218 | uint8_t nal_type; | ||
| 219 | |||
| 220 | ✗ | while (!*(r++)); | |
| 221 | ✗ | nal_type = *r & 0x1f; | |
| 222 | ✗ | r1 = ff_nal_find_startcode(r, extradata + extradata_size); | |
| 223 | ✗ | if (nal_type != 7 && nal_type != 8) { /* Only output SPS and PPS */ | |
| 224 | ✗ | r = r1; | |
| 225 | ✗ | continue; | |
| 226 | } | ||
| 227 | ✗ | if (p != (psets + strlen(pset_string))) { | |
| 228 | ✗ | if (p - psets >= MAX_PSET_SIZE) | |
| 229 | ✗ | goto fail_in_loop; | |
| 230 | ✗ | *p = ','; | |
| 231 | ✗ | p++; | |
| 232 | } | ||
| 233 | ✗ | if (!sps) { | |
| 234 | ✗ | sps = r; | |
| 235 | ✗ | sps_end = r1; | |
| 236 | } | ||
| 237 | ✗ | if (!av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r)) { | |
| 238 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot Base64-encode %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"!\n", | |
| 239 | ✗ | MAX_PSET_SIZE - (p - psets), r1 - r); | |
| 240 | ✗ | fail_in_loop: | |
| 241 | ✗ | av_free(psets); | |
| 242 | ✗ | av_free(tmpbuf); | |
| 243 | |||
| 244 | ✗ | return AVERROR_INVALIDDATA; | |
| 245 | } | ||
| 246 | ✗ | p += strlen(p); | |
| 247 | ✗ | r = r1; | |
| 248 | } | ||
| 249 | ✗ | if (sps && sps_end - sps >= 4 && p - psets <= MAX_PSET_SIZE - strlen(profile_string) - 7) { | |
| 250 | ✗ | memcpy(p, profile_string, strlen(profile_string)); | |
| 251 | ✗ | p += strlen(p); | |
| 252 | ✗ | ff_data_to_hex(p, sps + 1, 3, 0); | |
| 253 | } | ||
| 254 | ✗ | av_free(tmpbuf); | |
| 255 | |||
| 256 | ✗ | *out = psets; | |
| 257 | ✗ | return 0; | |
| 258 | } | ||
| 259 | |||
| 260 | ✗ | static int extradata2psets_hevc(AVFormatContext *fmt, const AVCodecParameters *par, | |
| 261 | char **out) | ||
| 262 | { | ||
| 263 | char *psets; | ||
| 264 | ✗ | uint8_t *extradata = par->extradata; | |
| 265 | ✗ | int extradata_size = par->extradata_size; | |
| 266 | ✗ | uint8_t *tmpbuf = NULL; | |
| 267 | ✗ | int ps_pos[3] = { 0 }; | |
| 268 | static const char * const ps_names[3] = { "vps", "sps", "pps" }; | ||
| 269 | int num_arrays, num_nalus; | ||
| 270 | ✗ | int pos, i, j, ret = 0; | |
| 271 | |||
| 272 | ✗ | *out = NULL; | |
| 273 | |||
| 274 | // Convert to hvcc format. Since we need to group multiple NALUs of | ||
| 275 | // the same type, and we might need to convert from one format to the | ||
| 276 | // other anyway, we get away with a little less work by using the hvcc | ||
| 277 | // format. | ||
| 278 | ✗ | if (par->extradata[0] != 1) { | |
| 279 | AVIOContext *pb; | ||
| 280 | |||
| 281 | ✗ | ret = avio_open_dyn_buf(&pb); | |
| 282 | ✗ | if (ret < 0) | |
| 283 | ✗ | return ret; | |
| 284 | |||
| 285 | ✗ | ret = ff_isom_write_hvcc(pb, par->extradata, par->extradata_size, 0, fmt); | |
| 286 | ✗ | if (ret < 0) { | |
| 287 | ✗ | avio_close_dyn_buf(pb, &tmpbuf); | |
| 288 | ✗ | goto err; | |
| 289 | } | ||
| 290 | ✗ | extradata_size = avio_close_dyn_buf(pb, &extradata); | |
| 291 | ✗ | tmpbuf = extradata; | |
| 292 | } | ||
| 293 | |||
| 294 | ✗ | if (extradata_size < 23) | |
| 295 | ✗ | goto err; | |
| 296 | |||
| 297 | ✗ | num_arrays = extradata[22]; | |
| 298 | ✗ | pos = 23; | |
| 299 | ✗ | for (i = 0; i < num_arrays; i++) { | |
| 300 | int num_nalus, nalu_type; | ||
| 301 | ✗ | if (pos + 3 > extradata_size) | |
| 302 | ✗ | goto err; | |
| 303 | ✗ | nalu_type = extradata[pos] & 0x3f; | |
| 304 | // Not including libavcodec/hevc.h to avoid confusion between | ||
| 305 | // NAL_* with the same name for both H.264 and HEVC. | ||
| 306 | ✗ | if (nalu_type == 32) // VPS | |
| 307 | ✗ | ps_pos[0] = pos; | |
| 308 | ✗ | else if (nalu_type == 33) // SPS | |
| 309 | ✗ | ps_pos[1] = pos; | |
| 310 | ✗ | else if (nalu_type == 34) // PPS | |
| 311 | ✗ | ps_pos[2] = pos; | |
| 312 | ✗ | num_nalus = AV_RB16(&extradata[pos + 1]); | |
| 313 | ✗ | pos += 3; | |
| 314 | ✗ | for (j = 0; j < num_nalus; j++) { | |
| 315 | int len; | ||
| 316 | ✗ | if (pos + 2 > extradata_size) | |
| 317 | ✗ | goto err; | |
| 318 | ✗ | len = AV_RB16(&extradata[pos]); | |
| 319 | ✗ | pos += 2; | |
| 320 | ✗ | if (pos + len > extradata_size) | |
| 321 | ✗ | goto err; | |
| 322 | ✗ | pos += len; | |
| 323 | } | ||
| 324 | } | ||
| 325 | ✗ | if (!ps_pos[0] || !ps_pos[1] || !ps_pos[2]) | |
| 326 | ✗ | goto err; | |
| 327 | |||
| 328 | ✗ | psets = av_mallocz(MAX_PSET_SIZE); | |
| 329 | ✗ | if (!psets) { | |
| 330 | ✗ | ret = AVERROR(ENOMEM); | |
| 331 | ✗ | goto err; | |
| 332 | } | ||
| 333 | |||
| 334 | ✗ | psets[0] = '\0'; | |
| 335 | |||
| 336 | ✗ | for (i = 0; i < 3; i++) { | |
| 337 | ✗ | pos = ps_pos[i]; | |
| 338 | |||
| 339 | ✗ | if (i > 0) | |
| 340 | ✗ | av_strlcat(psets, "; ", MAX_PSET_SIZE); | |
| 341 | ✗ | av_strlcatf(psets, MAX_PSET_SIZE, "sprop-%s=", ps_names[i]); | |
| 342 | |||
| 343 | // Skipping boundary checks in the input here; we've already traversed | ||
| 344 | // the whole hvcc structure above without issues | ||
| 345 | ✗ | num_nalus = AV_RB16(&extradata[pos + 1]); | |
| 346 | ✗ | pos += 3; | |
| 347 | ✗ | for (j = 0; j < num_nalus; j++) { | |
| 348 | ✗ | int len = AV_RB16(&extradata[pos]); | |
| 349 | int strpos; | ||
| 350 | ✗ | pos += 2; | |
| 351 | ✗ | if (j > 0) | |
| 352 | ✗ | av_strlcat(psets, ",", MAX_PSET_SIZE); | |
| 353 | ✗ | strpos = strlen(psets); | |
| 354 | ✗ | if (!av_base64_encode(psets + strpos, MAX_PSET_SIZE - strpos, | |
| 355 | ✗ | &extradata[pos], len)) { | |
| 356 | ✗ | av_free(psets); | |
| 357 | ✗ | goto err; | |
| 358 | } | ||
| 359 | ✗ | pos += len; | |
| 360 | } | ||
| 361 | } | ||
| 362 | ✗ | av_free(tmpbuf); | |
| 363 | |||
| 364 | ✗ | *out = psets; | |
| 365 | ✗ | return 0; | |
| 366 | ✗ | err: | |
| 367 | ✗ | if (ret >= 0) | |
| 368 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 369 | ✗ | av_free(tmpbuf); | |
| 370 | ✗ | return ret; | |
| 371 | } | ||
| 372 | |||
| 373 | 1 | static int extradata2config(AVFormatContext *s, const AVCodecParameters *par, | |
| 374 | char **out) | ||
| 375 | { | ||
| 376 | char *config; | ||
| 377 | |||
| 378 | 1 | *out = NULL; | |
| 379 | |||
| 380 |
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1 | if (par->extradata_size > MAX_EXTRADATA_SIZE) { |
| 381 | ✗ | av_log(s, AV_LOG_ERROR, "Too much extradata!\n"); | |
| 382 | ✗ | return AVERROR_INVALIDDATA; | |
| 383 | } | ||
| 384 | 1 | config = av_malloc(10 + par->extradata_size * 2); | |
| 385 |
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1 | if (!config) { |
| 386 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n"); | |
| 387 | ✗ | return AVERROR(ENOMEM); | |
| 388 | } | ||
| 389 | 1 | memcpy(config, "; config=", 9); | |
| 390 | 1 | ff_data_to_hex(config + 9, par->extradata, par->extradata_size, 0); | |
| 391 | |||
| 392 | 1 | *out = config; | |
| 393 | 1 | return 0; | |
| 394 | } | ||
| 395 | |||
| 396 | ✗ | static int xiph_extradata2config(AVFormatContext *s, const AVCodecParameters *par, | |
| 397 | char **out) | ||
| 398 | { | ||
| 399 | uint8_t *config; | ||
| 400 | char *encoded_config; | ||
| 401 | const uint8_t *header_start[3]; | ||
| 402 | int headers_len, header_len[3], config_len; | ||
| 403 | int first_header_size, ret; | ||
| 404 | |||
| 405 | ✗ | *out = NULL; | |
| 406 | |||
| 407 | ✗ | switch (par->codec_id) { | |
| 408 | ✗ | case AV_CODEC_ID_THEORA: | |
| 409 | ✗ | first_header_size = 42; | |
| 410 | ✗ | break; | |
| 411 | ✗ | case AV_CODEC_ID_VORBIS: | |
| 412 | ✗ | first_header_size = 30; | |
| 413 | ✗ | break; | |
| 414 | ✗ | default: | |
| 415 | ✗ | av_log(s, AV_LOG_ERROR, "Unsupported Xiph codec ID\n"); | |
| 416 | ✗ | return AVERROR(ENOSYS); | |
| 417 | } | ||
| 418 | |||
| 419 | ✗ | ret = avpriv_split_xiph_headers(par->extradata, par->extradata_size, | |
| 420 | first_header_size, header_start, | ||
| 421 | header_len); | ||
| 422 | ✗ | if (ret < 0) { | |
| 423 | ✗ | av_log(s, AV_LOG_ERROR, "Extradata corrupt.\n"); | |
| 424 | ✗ | return ret; | |
| 425 | } | ||
| 426 | |||
| 427 | ✗ | headers_len = header_len[0] + header_len[2]; | |
| 428 | ✗ | config_len = 4 + // count | |
| 429 | 3 + // ident | ||
| 430 | 2 + // packet size | ||
| 431 | 1 + // header count | ||
| 432 | 2 + // header size | ||
| 433 | headers_len; // and the rest | ||
| 434 | |||
| 435 | ✗ | config = av_malloc(config_len); | |
| 436 | ✗ | if (!config) | |
| 437 | ✗ | goto xiph_fail; | |
| 438 | |||
| 439 | ✗ | encoded_config = av_malloc(AV_BASE64_SIZE(config_len)); | |
| 440 | ✗ | if (!encoded_config) { | |
| 441 | ✗ | av_free(config); | |
| 442 | ✗ | goto xiph_fail; | |
| 443 | } | ||
| 444 | |||
| 445 | ✗ | config[0] = config[1] = config[2] = 0; | |
| 446 | ✗ | config[3] = 1; | |
| 447 | ✗ | config[4] = (RTP_XIPH_IDENT >> 16) & 0xff; | |
| 448 | ✗ | config[5] = (RTP_XIPH_IDENT >> 8) & 0xff; | |
| 449 | ✗ | config[6] = (RTP_XIPH_IDENT ) & 0xff; | |
| 450 | ✗ | config[7] = (headers_len >> 8) & 0xff; | |
| 451 | ✗ | config[8] = headers_len & 0xff; | |
| 452 | ✗ | config[9] = 2; | |
| 453 | ✗ | config[10] = header_len[0]; | |
| 454 | ✗ | config[11] = 0; // size of comment header; nonexistent | |
| 455 | ✗ | memcpy(config + 12, header_start[0], header_len[0]); | |
| 456 | ✗ | memcpy(config + 12 + header_len[0], header_start[2], header_len[2]); | |
| 457 | |||
| 458 | ✗ | av_base64_encode(encoded_config, AV_BASE64_SIZE(config_len), | |
| 459 | config, config_len); | ||
| 460 | ✗ | av_free(config); | |
| 461 | |||
| 462 | ✗ | *out = encoded_config; | |
| 463 | ✗ | return 0; | |
| 464 | |||
| 465 | ✗ | xiph_fail: | |
| 466 | ✗ | av_log(s, AV_LOG_ERROR, | |
| 467 | "Not enough memory for configuration string\n"); | ||
| 468 | ✗ | return AVERROR(ENOMEM); | |
| 469 | } | ||
| 470 | |||
| 471 | ✗ | static int latm_context2profilelevel(const AVCodecParameters *par) | |
| 472 | { | ||
| 473 | /* MP4A-LATM | ||
| 474 | * The RTP payload format specification is described in RFC 3016 | ||
| 475 | * The encoding specifications are provided in ISO/IEC 14496-3 */ | ||
| 476 | |||
| 477 | ✗ | int profile_level = 0x2B; | |
| 478 | |||
| 479 | /* TODO: AAC Profile only supports AAC LC Object Type. | ||
| 480 | * Different Object Types should implement different Profile Levels */ | ||
| 481 | |||
| 482 | ✗ | if (par->sample_rate <= 24000) { | |
| 483 | ✗ | if (par->ch_layout.nb_channels <= 2) | |
| 484 | ✗ | profile_level = 0x28; // AAC Profile, Level 1 | |
| 485 | ✗ | } else if (par->sample_rate <= 48000) { | |
| 486 | ✗ | if (par->ch_layout.nb_channels <= 2) { | |
| 487 | ✗ | profile_level = 0x29; // AAC Profile, Level 2 | |
| 488 | ✗ | } else if (par->ch_layout.nb_channels <= 5) { | |
| 489 | ✗ | profile_level = 0x2A; // AAC Profile, Level 4 | |
| 490 | } | ||
| 491 | ✗ | } else if (par->sample_rate <= 96000) { | |
| 492 | ✗ | if (par->ch_layout.nb_channels <= 5) { | |
| 493 | ✗ | profile_level = 0x2B; // AAC Profile, Level 5 | |
| 494 | } | ||
| 495 | } | ||
| 496 | |||
| 497 | ✗ | return profile_level; | |
| 498 | } | ||
| 499 | |||
| 500 | ✗ | static int latm_context2config(AVFormatContext *s, const AVCodecParameters *par, | |
| 501 | char **out) | ||
| 502 | { | ||
| 503 | /* MP4A-LATM | ||
| 504 | * The RTP payload format specification is described in RFC 3016 | ||
| 505 | * The encoding specifications are provided in ISO/IEC 14496-3 */ | ||
| 506 | |||
| 507 | uint8_t config_byte[6]; | ||
| 508 | int rate_index; | ||
| 509 | char *config; | ||
| 510 | |||
| 511 | ✗ | *out = NULL; | |
| 512 | |||
| 513 | ✗ | for (rate_index = 0; rate_index < 16; rate_index++) | |
| 514 | ✗ | if (ff_mpeg4audio_sample_rates[rate_index] == par->sample_rate) | |
| 515 | ✗ | break; | |
| 516 | ✗ | if (rate_index == 16) { | |
| 517 | ✗ | av_log(s, AV_LOG_ERROR, "Unsupported sample rate\n"); | |
| 518 | ✗ | return AVERROR(ENOSYS); | |
| 519 | } | ||
| 520 | |||
| 521 | ✗ | config_byte[0] = 0x40; | |
| 522 | ✗ | config_byte[1] = 0; | |
| 523 | ✗ | config_byte[2] = 0x20 | rate_index; | |
| 524 | ✗ | config_byte[3] = par->ch_layout.nb_channels << 4; | |
| 525 | ✗ | config_byte[4] = 0x3f; | |
| 526 | ✗ | config_byte[5] = 0xc0; | |
| 527 | |||
| 528 | ✗ | config = av_malloc(6*2+1); | |
| 529 | ✗ | if (!config) { | |
| 530 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n"); | |
| 531 | ✗ | return AVERROR(ENOMEM); | |
| 532 | } | ||
| 533 | ✗ | ff_data_to_hex(config, config_byte, 6, 1); | |
| 534 | |||
| 535 | ✗ | *out = config; | |
| 536 | ✗ | return 0; | |
| 537 | } | ||
| 538 | |||
| 539 | 2 | static int sdp_write_media_attributes(char *buff, int size, const AVStream *st, | |
| 540 | int payload_type, AVFormatContext *fmt) | ||
| 541 | { | ||
| 542 | 2 | char *config = NULL; | |
| 543 | 2 | const AVCodecParameters *p = st->codecpar; | |
| 544 | 2 | int ret = 0; | |
| 545 | |||
| 546 |
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2 | switch (p->codec_id) { |
| 547 | ✗ | case AV_CODEC_ID_AV1: | |
| 548 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d AV1/90000\r\n", payload_type); | |
| 549 | ✗ | if (p->extradata_size) { | |
| 550 | ✗ | ret = extradata2psets_av1(fmt, p, &config); | |
| 551 | ✗ | if (ret < 0) | |
| 552 | ✗ | return ret; | |
| 553 | ✗ | av_strlcatf(buff, size, "a=fmtp:%d %s\r\n", payload_type, config); | |
| 554 | } | ||
| 555 | ✗ | break; | |
| 556 | ✗ | case AV_CODEC_ID_DIRAC: | |
| 557 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d VC2/90000\r\n", payload_type); | |
| 558 | ✗ | break; | |
| 559 | ✗ | case AV_CODEC_ID_H264: { | |
| 560 | ✗ | int mode = 1; | |
| 561 | ✗ | if (fmt && fmt->oformat && fmt->oformat->priv_class && | |
| 562 | ✗ | av_opt_flag_is_set(fmt->priv_data, "rtpflags", "h264_mode0")) | |
| 563 | ✗ | mode = 0; | |
| 564 | ✗ | if (p->extradata_size) { | |
| 565 | ✗ | ret = extradata2psets(fmt, p, &config); | |
| 566 | ✗ | if (ret < 0) | |
| 567 | ✗ | return ret; | |
| 568 | } | ||
| 569 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d H264/90000\r\n" | |
| 570 | "a=fmtp:%d packetization-mode=%d%s\r\n", | ||
| 571 | payload_type, | ||
| 572 | ✗ | payload_type, mode, config ? config : ""); | |
| 573 | ✗ | break; | |
| 574 | } | ||
| 575 | ✗ | case AV_CODEC_ID_H261: | |
| 576 | { | ||
| 577 | ✗ | const char *pic_fmt = NULL; | |
| 578 | /* only QCIF and CIF are specified as supported in RFC 4587 */ | ||
| 579 | ✗ | if (p->width == 176 && p->height == 144) | |
| 580 | ✗ | pic_fmt = "QCIF=1"; | |
| 581 | ✗ | else if (p->width == 352 && p->height == 288) | |
| 582 | ✗ | pic_fmt = "CIF=1"; | |
| 583 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 584 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d H261/90000\r\n", payload_type); | |
| 585 | ✗ | if (pic_fmt) | |
| 586 | ✗ | av_strlcatf(buff, size, "a=fmtp:%d %s\r\n", payload_type, pic_fmt); | |
| 587 | ✗ | break; | |
| 588 | } | ||
| 589 | ✗ | case AV_CODEC_ID_H263: | |
| 590 | case AV_CODEC_ID_H263P: | ||
| 591 | /* a=framesize is required by 3GPP TS 26.234 (PSS). It | ||
| 592 | * actually specifies the maximum video size, but we only know | ||
| 593 | * the current size. This is required for playback on Android | ||
| 594 | * stagefright and on Samsung bada. */ | ||
| 595 | ✗ | if (!fmt || !fmt->oformat->priv_class || | |
| 596 | ✗ | !av_opt_flag_is_set(fmt->priv_data, "rtpflags", "rfc2190") || | |
| 597 | ✗ | p->codec_id == AV_CODEC_ID_H263P) | |
| 598 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d H263-2000/90000\r\n" | |
| 599 | "a=framesize:%d %d-%d\r\n", | ||
| 600 | payload_type, | ||
| 601 | ✗ | payload_type, p->width, p->height); | |
| 602 | ✗ | break; | |
| 603 | ✗ | case AV_CODEC_ID_HEVC: | |
| 604 | ✗ | if (p->extradata_size) { | |
| 605 | ✗ | ret = extradata2psets_hevc(fmt, p, &config); | |
| 606 | ✗ | if (ret < 0) | |
| 607 | ✗ | return ret; | |
| 608 | } | ||
| 609 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d H265/90000\r\n", payload_type); | |
| 610 | ✗ | if (config) | |
| 611 | ✗ | av_strlcatf(buff, size, "a=fmtp:%d %s\r\n", | |
| 612 | payload_type, config); | ||
| 613 | ✗ | break; | |
| 614 | 1 | case AV_CODEC_ID_MPEG4: | |
| 615 |
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1 | if (p->extradata_size) { |
| 616 | 1 | ret = extradata2config(fmt, p, &config); | |
| 617 |
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1 | if (ret < 0) |
| 618 | ✗ | return ret; | |
| 619 | } | ||
| 620 | 1 | av_strlcatf(buff, size, "a=rtpmap:%d MP4V-ES/90000\r\n" | |
| 621 | "a=fmtp:%d profile-level-id=1%s\r\n", | ||
| 622 | payload_type, | ||
| 623 |
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1 | payload_type, config ? config : ""); |
| 624 | 1 | break; | |
| 625 | ✗ | case AV_CODEC_ID_AAC: | |
| 626 | ✗ | if (fmt && fmt->oformat && fmt->oformat->priv_class && | |
| 627 | ✗ | av_opt_flag_is_set(fmt->priv_data, "rtpflags", "latm")) { | |
| 628 | ✗ | ret = latm_context2config(fmt, p, &config); | |
| 629 | ✗ | if (ret < 0) | |
| 630 | ✗ | return ret; | |
| 631 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d MP4A-LATM/%d/%d\r\n" | |
| 632 | "a=fmtp:%d profile-level-id=%d;cpresent=0;config=%s\r\n", | ||
| 633 | ✗ | payload_type, p->sample_rate, p->ch_layout.nb_channels, | |
| 634 | payload_type, latm_context2profilelevel(p), config); | ||
| 635 | } else { | ||
| 636 | ✗ | if (p->extradata_size) { | |
| 637 | ✗ | ret = extradata2config(fmt, p, &config); | |
| 638 | ✗ | if (ret < 0) | |
| 639 | ✗ | return ret; | |
| 640 | } else { | ||
| 641 | /* FIXME: maybe we can forge config information based on the | ||
| 642 | * codec parameters... | ||
| 643 | */ | ||
| 644 | ✗ | av_log(fmt, AV_LOG_ERROR, "AAC with no global headers is currently not supported.\n"); | |
| 645 | ✗ | return AVERROR(ENOSYS); | |
| 646 | } | ||
| 647 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d MPEG4-GENERIC/%d/%d\r\n" | |
| 648 | "a=fmtp:%d profile-level-id=1;" | ||
| 649 | "mode=AAC-hbr;sizelength=13;indexlength=3;" | ||
| 650 | "indexdeltalength=3%s\r\n", | ||
| 651 | ✗ | payload_type, p->sample_rate, p->ch_layout.nb_channels, | |
| 652 | payload_type, config); | ||
| 653 | } | ||
| 654 | ✗ | break; | |
| 655 | ✗ | case AV_CODEC_ID_PCM_S16BE: | |
| 656 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 657 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d L16/%d/%d\r\n", | |
| 658 | payload_type, | ||
| 659 | ✗ | p->sample_rate, p->ch_layout.nb_channels); | |
| 660 | ✗ | break; | |
| 661 | ✗ | case AV_CODEC_ID_PCM_S24BE: | |
| 662 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 663 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d L24/%d/%d\r\n", | |
| 664 | payload_type, | ||
| 665 | ✗ | p->sample_rate, p->ch_layout.nb_channels); | |
| 666 | ✗ | break; | |
| 667 | ✗ | case AV_CODEC_ID_PCM_MULAW: | |
| 668 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 669 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d PCMU/%d/%d\r\n", | |
| 670 | payload_type, | ||
| 671 | ✗ | p->sample_rate, p->ch_layout.nb_channels); | |
| 672 | ✗ | break; | |
| 673 | 1 | case AV_CODEC_ID_PCM_ALAW: | |
| 674 |
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1 | if (payload_type >= RTP_PT_PRIVATE) |
| 675 | 1 | av_strlcatf(buff, size, "a=rtpmap:%d PCMA/%d/%d\r\n", | |
| 676 | payload_type, | ||
| 677 | 1 | p->sample_rate, p->ch_layout.nb_channels); | |
| 678 | 1 | break; | |
| 679 | ✗ | case AV_CODEC_ID_AMR_NB: | |
| 680 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d AMR/%d/%d\r\n" | |
| 681 | "a=fmtp:%d octet-align=1\r\n", | ||
| 682 | ✗ | payload_type, p->sample_rate, p->ch_layout.nb_channels, | |
| 683 | payload_type); | ||
| 684 | ✗ | break; | |
| 685 | ✗ | case AV_CODEC_ID_AMR_WB: | |
| 686 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d AMR-WB/%d/%d\r\n" | |
| 687 | "a=fmtp:%d octet-align=1\r\n", | ||
| 688 | ✗ | payload_type, p->sample_rate, p->ch_layout.nb_channels, | |
| 689 | payload_type); | ||
| 690 | ✗ | break; | |
| 691 | ✗ | case AV_CODEC_ID_VORBIS: | |
| 692 | ✗ | if (p->extradata_size) | |
| 693 | ✗ | ret = xiph_extradata2config(fmt, p, &config); | |
| 694 | else { | ||
| 695 | ✗ | av_log(fmt, AV_LOG_ERROR, "Vorbis configuration info missing\n"); | |
| 696 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 697 | } | ||
| 698 | ✗ | if (ret < 0) | |
| 699 | ✗ | return ret; | |
| 700 | |||
| 701 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d vorbis/%d/%d\r\n" | |
| 702 | "a=fmtp:%d configuration=%s\r\n", | ||
| 703 | ✗ | payload_type, p->sample_rate, p->ch_layout.nb_channels, | |
| 704 | payload_type, config); | ||
| 705 | ✗ | break; | |
| 706 | ✗ | case AV_CODEC_ID_THEORA: { | |
| 707 | const char *pix_fmt; | ||
| 708 | ✗ | switch (p->format) { | |
| 709 | ✗ | case AV_PIX_FMT_YUV420P: | |
| 710 | ✗ | pix_fmt = "YCbCr-4:2:0"; | |
| 711 | ✗ | break; | |
| 712 | ✗ | case AV_PIX_FMT_YUV422P: | |
| 713 | ✗ | pix_fmt = "YCbCr-4:2:2"; | |
| 714 | ✗ | break; | |
| 715 | ✗ | case AV_PIX_FMT_YUV444P: | |
| 716 | ✗ | pix_fmt = "YCbCr-4:4:4"; | |
| 717 | ✗ | break; | |
| 718 | ✗ | default: | |
| 719 | ✗ | av_log(fmt, AV_LOG_ERROR, "Unsupported pixel format.\n"); | |
| 720 | ✗ | return AVERROR(ENOSYS); | |
| 721 | } | ||
| 722 | |||
| 723 | ✗ | if (p->extradata_size) | |
| 724 | ✗ | ret = xiph_extradata2config(fmt, p, &config); | |
| 725 | else { | ||
| 726 | ✗ | av_log(fmt, AV_LOG_ERROR, "Theora configuration info missing\n"); | |
| 727 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 728 | } | ||
| 729 | ✗ | if (ret < 0) | |
| 730 | ✗ | return ret; | |
| 731 | |||
| 732 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d theora/90000\r\n" | |
| 733 | "a=fmtp:%d delivery-method=inline; " | ||
| 734 | "width=%d; height=%d; sampling=%s; " | ||
| 735 | "configuration=%s\r\n", | ||
| 736 | payload_type, payload_type, | ||
| 737 | ✗ | p->width, p->height, pix_fmt, config); | |
| 738 | ✗ | break; | |
| 739 | } | ||
| 740 | ✗ | case AV_CODEC_ID_BITPACKED: | |
| 741 | case AV_CODEC_ID_RAWVIDEO: { | ||
| 742 | const char *pix_fmt; | ||
| 743 | ✗ | int bit_depth = 8; | |
| 744 | |||
| 745 | ✗ | switch (p->format) { | |
| 746 | ✗ | case AV_PIX_FMT_UYVY422: | |
| 747 | ✗ | pix_fmt = "YCbCr-4:2:2"; | |
| 748 | ✗ | break; | |
| 749 | ✗ | case AV_PIX_FMT_YUV422P10: | |
| 750 | ✗ | pix_fmt = "YCbCr-4:2:2"; | |
| 751 | ✗ | bit_depth = 10; | |
| 752 | ✗ | break; | |
| 753 | ✗ | case AV_PIX_FMT_YUV420P: | |
| 754 | ✗ | pix_fmt = "YCbCr-4:2:0"; | |
| 755 | ✗ | break; | |
| 756 | ✗ | case AV_PIX_FMT_RGB24: | |
| 757 | ✗ | pix_fmt = "RGB"; | |
| 758 | ✗ | break; | |
| 759 | ✗ | case AV_PIX_FMT_BGR24: | |
| 760 | ✗ | pix_fmt = "BGR"; | |
| 761 | ✗ | break; | |
| 762 | ✗ | default: | |
| 763 | ✗ | av_log(fmt, AV_LOG_ERROR, "Unsupported pixel format.\n"); | |
| 764 | ✗ | return AVERROR(ENOSYS); | |
| 765 | } | ||
| 766 | |||
| 767 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d raw/90000\r\n" | |
| 768 | "a=fmtp:%d sampling=%s; " | ||
| 769 | "width=%d; height=%d; " | ||
| 770 | "depth=%d", | ||
| 771 | payload_type, payload_type, | ||
| 772 | ✗ | pix_fmt, p->width, p->height, bit_depth); | |
| 773 | ✗ | if (p->field_order != AV_FIELD_PROGRESSIVE) | |
| 774 | ✗ | av_strlcatf(buff, size, "; interlace"); | |
| 775 | ✗ | av_strlcatf(buff, size, "\r\n"); | |
| 776 | ✗ | break; | |
| 777 | } | ||
| 778 | |||
| 779 | ✗ | case AV_CODEC_ID_VP8: | |
| 780 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d VP8/90000\r\n", | |
| 781 | payload_type); | ||
| 782 | ✗ | break; | |
| 783 | ✗ | case AV_CODEC_ID_VP9: | |
| 784 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d VP9/90000\r\n", | |
| 785 | payload_type); | ||
| 786 | ✗ | break; | |
| 787 | ✗ | case AV_CODEC_ID_MJPEG: | |
| 788 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 789 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d JPEG/90000\r\n", | |
| 790 | payload_type); | ||
| 791 | ✗ | break; | |
| 792 | ✗ | case AV_CODEC_ID_ADPCM_G722: | |
| 793 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 794 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d G722/%d/%d\r\n", | |
| 795 | payload_type, | ||
| 796 | ✗ | 8000, p->ch_layout.nb_channels); | |
| 797 | ✗ | break; | |
| 798 | ✗ | case AV_CODEC_ID_ADPCM_G726: { | |
| 799 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 800 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d AAL2-G726-%d/%d\r\n", | |
| 801 | payload_type, | ||
| 802 | ✗ | p->bits_per_coded_sample*8, | |
| 803 | ✗ | p->sample_rate); | |
| 804 | ✗ | break; | |
| 805 | } | ||
| 806 | ✗ | case AV_CODEC_ID_ADPCM_G726LE: { | |
| 807 | ✗ | if (payload_type >= RTP_PT_PRIVATE) | |
| 808 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d G726-%d/%d\r\n", | |
| 809 | payload_type, | ||
| 810 | ✗ | p->bits_per_coded_sample*8, | |
| 811 | ✗ | p->sample_rate); | |
| 812 | ✗ | break; | |
| 813 | } | ||
| 814 | ✗ | case AV_CODEC_ID_ILBC: | |
| 815 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d iLBC/%d\r\n" | |
| 816 | "a=fmtp:%d mode=%d\r\n", | ||
| 817 | ✗ | payload_type, p->sample_rate, | |
| 818 | ✗ | payload_type, p->block_align == 38 ? 20 : 30); | |
| 819 | ✗ | break; | |
| 820 | ✗ | case AV_CODEC_ID_SPEEX: | |
| 821 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d speex/%d\r\n", | |
| 822 | ✗ | payload_type, p->sample_rate); | |
| 823 | ✗ | break; | |
| 824 | ✗ | case AV_CODEC_ID_OPUS: | |
| 825 | /* The opus RTP draft says that all opus streams MUST be declared | ||
| 826 | as stereo, to avoid negotiation failures. The actual number of | ||
| 827 | channels can change on a packet-by-packet basis. The number of | ||
| 828 | channels a receiver prefers to receive or a sender plans to send | ||
| 829 | can be declared via fmtp parameters (both default to mono), but | ||
| 830 | receivers MUST be able to receive and process stereo packets. */ | ||
| 831 | ✗ | av_strlcatf(buff, size, "a=rtpmap:%d opus/48000/2\r\n", | |
| 832 | payload_type); | ||
| 833 | ✗ | if (p->ch_layout.nb_channels == 2) { | |
| 834 | ✗ | av_strlcatf(buff, size, "a=fmtp:%d sprop-stereo=1\r\n", | |
| 835 | payload_type); | ||
| 836 | } | ||
| 837 | ✗ | break; | |
| 838 | ✗ | default: | |
| 839 | /* Nothing special to do here... */ | ||
| 840 | ✗ | break; | |
| 841 | } | ||
| 842 | |||
| 843 | 2 | av_free(config); | |
| 844 | |||
| 845 | 2 | return 0; | |
| 846 | } | ||
| 847 | |||
| 848 | 2 | int ff_sdp_write_media(char *buff, int size, const AVStream *st, int idx, | |
| 849 | const char *dest_addr, const char *dest_type, | ||
| 850 | int port, int ttl, AVFormatContext *fmt) | ||
| 851 | { | ||
| 852 | 2 | const AVCodecParameters *p = st->codecpar; | |
| 853 | const char *type; | ||
| 854 | int payload_type; | ||
| 855 | |||
| 856 | 2 | payload_type = ff_rtp_get_payload_type(fmt, st->codecpar, idx); | |
| 857 | |||
| 858 |
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2 | switch (p->codec_type) { |
| 859 | 1 | case AVMEDIA_TYPE_VIDEO : type = "video" ; break; | |
| 860 | 1 | case AVMEDIA_TYPE_AUDIO : type = "audio" ; break; | |
| 861 | ✗ | case AVMEDIA_TYPE_SUBTITLE: type = "text" ; break; | |
| 862 | ✗ | default : type = "application"; break; | |
| 863 | } | ||
| 864 | |||
| 865 | 2 | av_strlcatf(buff, size, "m=%s %d RTP/AVP %d\r\n", type, port, payload_type); | |
| 866 | 2 | sdp_write_address(buff, size, dest_addr, dest_type, ttl); | |
| 867 |
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2 | if (p->bit_rate) { |
| 868 | 2 | av_strlcatf(buff, size, "b=AS:%"PRId64"\r\n", p->bit_rate / 1000); | |
| 869 | } | ||
| 870 | |||
| 871 | 2 | return sdp_write_media_attributes(buff, size, st, payload_type, fmt); | |
| 872 | } | ||
| 873 | |||
| 874 | ✗ | int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size) | |
| 875 | { | ||
| 876 | ✗ | AVDictionaryEntry *title = av_dict_get(ac[0]->metadata, "title", NULL, 0); | |
| 877 | ✗ | struct sdp_session_level s = { 0 }; | |
| 878 | ✗ | int i, j, port, ttl, is_multicast, index = 0; | |
| 879 | char dst[32], dst_type[5]; | ||
| 880 | |||
| 881 | ✗ | memset(buf, 0, size); | |
| 882 | ✗ | s.user = "-"; | |
| 883 | ✗ | s.src_addr = "127.0.0.1"; /* FIXME: Properly set this */ | |
| 884 | ✗ | s.src_type = "IP4"; | |
| 885 | ✗ | s.name = title ? title->value : "No Name"; | |
| 886 | |||
| 887 | ✗ | port = 0; | |
| 888 | ✗ | ttl = 0; | |
| 889 | ✗ | if (n_files == 1) { | |
| 890 | ✗ | port = sdp_get_address(dst, sizeof(dst), &ttl, ac[0]->url ? ac[0]->url : ""); | |
| 891 | ✗ | is_multicast = resolve_destination(dst, sizeof(dst), dst_type, | |
| 892 | sizeof(dst_type)); | ||
| 893 | ✗ | if (!is_multicast) | |
| 894 | ✗ | ttl = 0; | |
| 895 | ✗ | if (dst[0]) { | |
| 896 | ✗ | s.dst_addr = dst; | |
| 897 | ✗ | s.dst_type = dst_type; | |
| 898 | ✗ | s.ttl = ttl; | |
| 899 | ✗ | if (!strcmp(dst_type, "IP6")) { | |
| 900 | ✗ | s.src_addr = "::1"; | |
| 901 | ✗ | s.src_type = "IP6"; | |
| 902 | } | ||
| 903 | } | ||
| 904 | } | ||
| 905 | ✗ | sdp_write_header(buf, size, &s); | |
| 906 | |||
| 907 | ✗ | dst[0] = 0; | |
| 908 | ✗ | for (i = 0; i < n_files; i++) { | |
| 909 | ✗ | if (n_files != 1) { | |
| 910 | ✗ | port = sdp_get_address(dst, sizeof(dst), &ttl, ac[i]->url ? ac[i]->url : ""); | |
| 911 | ✗ | is_multicast = resolve_destination(dst, sizeof(dst), dst_type, | |
| 912 | sizeof(dst_type)); | ||
| 913 | ✗ | if (!is_multicast) | |
| 914 | ✗ | ttl = 0; | |
| 915 | } | ||
| 916 | ✗ | for (j = 0; j < ac[i]->nb_streams; j++) { | |
| 917 | ✗ | int ret = ff_sdp_write_media(buf, size, ac[i]->streams[j], index++, | |
| 918 | ✗ | dst[0] ? dst : NULL, dst_type, | |
| 919 | ✗ | (port > 0) ? port + j * 2 : 0, | |
| 920 | ✗ | ttl, ac[i]); | |
| 921 | ✗ | if (ret < 0) | |
| 922 | ✗ | return ret; | |
| 923 | |||
| 924 | ✗ | if (port <= 0) { | |
| 925 | ✗ | av_strlcatf(buf, size, | |
| 926 | "a=control:streamid=%d\r\n", i + j); | ||
| 927 | } | ||
| 928 | ✗ | if (ac[i]->pb && ac[i]->pb->av_class) { | |
| 929 | ✗ | uint8_t *crypto_suite = NULL, *crypto_params = NULL; | |
| 930 | ✗ | av_opt_get(ac[i]->pb, "srtp_out_suite", AV_OPT_SEARCH_CHILDREN, | |
| 931 | &crypto_suite); | ||
| 932 | ✗ | av_opt_get(ac[i]->pb, "srtp_out_params", AV_OPT_SEARCH_CHILDREN, | |
| 933 | &crypto_params); | ||
| 934 | ✗ | if (crypto_suite && crypto_suite[0]) | |
| 935 | ✗ | av_strlcatf(buf, size, | |
| 936 | "a=crypto:1 %s inline:%s\r\n", | ||
| 937 | crypto_suite, crypto_params); | ||
| 938 | ✗ | av_free(crypto_suite); | |
| 939 | ✗ | av_free(crypto_params); | |
| 940 | } | ||
| 941 | } | ||
| 942 | } | ||
| 943 | |||
| 944 | ✗ | return 0; | |
| 945 | } | ||
| 946 | #else | ||
| 947 | int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size) | ||
| 948 | { | ||
| 949 | return AVERROR(ENOSYS); | ||
| 950 | } | ||
| 951 | |||
| 952 | int ff_sdp_write_media(char *buff, int size, const AVStream *st, int idx, | ||
| 953 | const char *dest_addr, const char *dest_type, | ||
| 954 | int port, int ttl, AVFormatContext *fmt) | ||
| 955 | { | ||
| 956 | return AVERROR(ENOSYS); | ||
| 957 | } | ||
| 958 | #endif | ||
| 959 |