1/* 2 * MOV, 3GP, MP4 muxer 3 * Copyright (c) 2003 Thomas Raivio 4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> 5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24#include "movenc.h" 25#include "avformat.h" 26#include "riff.h" 27#include "avio.h" 28#include "isom.h" 29#include "avc.h" 30#include "libavcodec/get_bits.h" 31#include "libavcodec/put_bits.h" 32#include "internal.h" 33#include "libavutil/avstring.h" 34 35#undef NDEBUG 36#include <assert.h> 37 38//FIXME support 64 bit variant with wide placeholders 39static int64_t updateSize(ByteIOContext *pb, int64_t pos) 40{ 41 int64_t curpos = url_ftell(pb); 42 url_fseek(pb, pos, SEEK_SET); 43 put_be32(pb, curpos - pos); /* rewrite size */ 44 url_fseek(pb, curpos, SEEK_SET); 45 46 return curpos - pos; 47} 48 49/* Chunk offset atom */ 50static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track) 51{ 52 int i; 53 int mode64 = 0; // use 32 bit size variant if possible 54 int64_t pos = url_ftell(pb); 55 put_be32(pb, 0); /* size */ 56 if (pos > UINT32_MAX) { 57 mode64 = 1; 58 put_tag(pb, "co64"); 59 } else 60 put_tag(pb, "stco"); 61 put_be32(pb, 0); /* version & flags */ 62 put_be32(pb, track->entry); /* entry count */ 63 for (i=0; i<track->entry; i++) { 64 if(mode64 == 1) 65 put_be64(pb, track->cluster[i].pos); 66 else 67 put_be32(pb, track->cluster[i].pos); 68 } 69 return updateSize(pb, pos); 70} 71 72/* Sample size atom */ 73static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track) 74{ 75 int equalChunks = 1; 76 int i, j, entries = 0, tst = -1, oldtst = -1; 77 78 int64_t pos = url_ftell(pb); 79 put_be32(pb, 0); /* size */ 80 put_tag(pb, "stsz"); 81 put_be32(pb, 0); /* version & flags */ 82 83 for (i=0; i<track->entry; i++) { 84 tst = track->cluster[i].size/track->cluster[i].entries; 85 if(oldtst != -1 && tst != oldtst) { 86 equalChunks = 0; 87 } 88 oldtst = tst; 89 entries += track->cluster[i].entries; 90 } 91 if (equalChunks) { 92 int sSize = track->cluster[0].size/track->cluster[0].entries; 93 put_be32(pb, sSize); // sample size 94 put_be32(pb, entries); // sample count 95 } 96 else { 97 put_be32(pb, 0); // sample size 98 put_be32(pb, entries); // sample count 99 for (i=0; i<track->entry; i++) { 100 for (j=0; j<track->cluster[i].entries; j++) { 101 put_be32(pb, track->cluster[i].size / 102 track->cluster[i].entries); 103 } 104 } 105 } 106 return updateSize(pb, pos); 107} 108 109/* Sample to chunk atom */ 110static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track) 111{ 112 int index = 0, oldval = -1, i; 113 int64_t entryPos, curpos; 114 115 int64_t pos = url_ftell(pb); 116 put_be32(pb, 0); /* size */ 117 put_tag(pb, "stsc"); 118 put_be32(pb, 0); // version & flags 119 entryPos = url_ftell(pb); 120 put_be32(pb, track->entry); // entry count 121 for (i=0; i<track->entry; i++) { 122 if(oldval != track->cluster[i].samplesInChunk) 123 { 124 put_be32(pb, i+1); // first chunk 125 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk 126 put_be32(pb, 0x1); // sample description index 127 oldval = track->cluster[i].samplesInChunk; 128 index++; 129 } 130 } 131 curpos = url_ftell(pb); 132 url_fseek(pb, entryPos, SEEK_SET); 133 put_be32(pb, index); // rewrite size 134 url_fseek(pb, curpos, SEEK_SET); 135 136 return updateSize(pb, pos); 137} 138 139/* Sync sample atom */ 140static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, uint32_t flag) 141{ 142 int64_t curpos, entryPos; 143 int i, index = 0; 144 int64_t pos = url_ftell(pb); 145 put_be32(pb, 0); // size 146 put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps"); 147 put_be32(pb, 0); // version & flags 148 entryPos = url_ftell(pb); 149 put_be32(pb, track->entry); // entry count 150 for (i=0; i<track->entry; i++) { 151 if (track->cluster[i].flags & flag) { 152 put_be32(pb, i+1); 153 index++; 154 } 155 } 156 curpos = url_ftell(pb); 157 url_fseek(pb, entryPos, SEEK_SET); 158 put_be32(pb, index); // rewrite size 159 url_fseek(pb, curpos, SEEK_SET); 160 return updateSize(pb, pos); 161} 162 163static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track) 164{ 165 put_be32(pb, 0x11); /* size */ 166 if (track->mode == MODE_MOV) put_tag(pb, "samr"); 167 else put_tag(pb, "damr"); 168 put_tag(pb, "FFMP"); 169 put_byte(pb, 0); /* decoder version */ 170 171 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ 172 put_byte(pb, 0x00); /* Mode change period (no restriction) */ 173 put_byte(pb, 0x01); /* Frames per sample */ 174 return 0x11; 175} 176 177static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track) 178{ 179 GetBitContext gbc; 180 PutBitContext pbc; 181 uint8_t buf[3]; 182 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod; 183 184 if (track->vosLen < 7) 185 return -1; 186 187 put_be32(pb, 11); 188 put_tag(pb, "dac3"); 189 190 init_get_bits(&gbc, track->vosData+4, track->vosLen-4); 191 fscod = get_bits(&gbc, 2); 192 frmsizecod = get_bits(&gbc, 6); 193 bsid = get_bits(&gbc, 5); 194 bsmod = get_bits(&gbc, 3); 195 acmod = get_bits(&gbc, 3); 196 if (acmod == 2) { 197 skip_bits(&gbc, 2); // dsurmod 198 } else { 199 if ((acmod & 1) && acmod != 1) 200 skip_bits(&gbc, 2); // cmixlev 201 if (acmod & 4) 202 skip_bits(&gbc, 2); // surmixlev 203 } 204 lfeon = get_bits1(&gbc); 205 206 init_put_bits(&pbc, buf, sizeof(buf)); 207 put_bits(&pbc, 2, fscod); 208 put_bits(&pbc, 5, bsid); 209 put_bits(&pbc, 3, bsmod); 210 put_bits(&pbc, 3, acmod); 211 put_bits(&pbc, 1, lfeon); 212 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code 213 put_bits(&pbc, 5, 0); // reserved 214 215 flush_put_bits(&pbc); 216 put_buffer(pb, buf, sizeof(buf)); 217 218 return 11; 219} 220 221/** 222 * This function writes extradata "as is". 223 * Extradata must be formated like a valid atom (with size and tag) 224 */ 225static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track) 226{ 227 put_buffer(pb, track->enc->extradata, track->enc->extradata_size); 228 return track->enc->extradata_size; 229} 230 231static int mov_write_enda_tag(ByteIOContext *pb) 232{ 233 put_be32(pb, 10); 234 put_tag(pb, "enda"); 235 put_be16(pb, 1); /* little endian */ 236 return 10; 237} 238 239static unsigned int descrLength(unsigned int len) 240{ 241 int i; 242 for(i=1; len>>(7*i); i++); 243 return len + 1 + i; 244} 245 246static void putDescr(ByteIOContext *pb, int tag, unsigned int size) 247{ 248 int i= descrLength(size) - size - 2; 249 put_byte(pb, tag); 250 for(; i>0; i--) 251 put_byte(pb, (size>>(7*i)) | 0x80); 252 put_byte(pb, size & 0x7F); 253} 254 255static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic 256{ 257 int64_t pos = url_ftell(pb); 258 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0; 259 260 put_be32(pb, 0); // size 261 put_tag(pb, "esds"); 262 put_be32(pb, 0); // Version 263 264 // ES descriptor 265 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) + 266 descrLength(1)); 267 put_be16(pb, track->trackID); 268 put_byte(pb, 0x00); // flags (= no flags) 269 270 // DecoderConfig descriptor 271 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); 272 273 // Object type indication 274 if ((track->enc->codec_id == CODEC_ID_MP2 || 275 track->enc->codec_id == CODEC_ID_MP3) && 276 track->enc->sample_rate > 24000) 277 put_byte(pb, 0x6B); // 11172-3 278 else 279 put_byte(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); 280 281 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) 282 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) 283 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 284 put_byte(pb, 0x15); // flags (= Audiostream) 285 else 286 put_byte(pb, 0x11); // flags (= Visualstream) 287 288 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits) 289 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB 290 291 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window) 292 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0) 293 put_be32(pb, 0); // vbr 294 else 295 put_be32(pb, track->enc->rc_max_rate); // avg bitrate 296 297 if (track->vosLen) { 298 // DecoderSpecific info descriptor 299 putDescr(pb, 0x05, track->vosLen); 300 put_buffer(pb, track->vosData, track->vosLen); 301 } 302 303 // SL descriptor 304 putDescr(pb, 0x06, 1); 305 put_byte(pb, 0x02); 306 return updateSize(pb, pos); 307} 308 309static int mov_pcm_le_gt16(enum CodecID codec_id) 310{ 311 return codec_id == CODEC_ID_PCM_S24LE || 312 codec_id == CODEC_ID_PCM_S32LE || 313 codec_id == CODEC_ID_PCM_F32LE || 314 codec_id == CODEC_ID_PCM_F64LE; 315} 316 317static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track) 318{ 319 int64_t pos = url_ftell(pb); 320 321 put_be32(pb, 0); /* size */ 322 put_tag(pb, "wave"); 323 324 put_be32(pb, 12); /* size */ 325 put_tag(pb, "frma"); 326 put_le32(pb, track->tag); 327 328 if (track->enc->codec_id == CODEC_ID_AAC) { 329 /* useless atom needed by mplayer, ipod, not needed by quicktime */ 330 put_be32(pb, 12); /* size */ 331 put_tag(pb, "mp4a"); 332 put_be32(pb, 0); 333 mov_write_esds_tag(pb, track); 334 } else if (mov_pcm_le_gt16(track->enc->codec_id)) { 335 mov_write_enda_tag(pb); 336 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) { 337 mov_write_amr_tag(pb, track); 338 } else if (track->enc->codec_id == CODEC_ID_AC3) { 339 mov_write_ac3_tag(pb, track); 340 } else if (track->enc->codec_id == CODEC_ID_ALAC) { 341 mov_write_extradata_tag(pb, track); 342 } 343 344 put_be32(pb, 8); /* size */ 345 put_be32(pb, 0); /* null tag */ 346 347 return updateSize(pb, pos); 348} 349 350static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track) 351{ 352 put_be32(pb, track->vosLen+8); 353 put_tag(pb, "glbl"); 354 put_buffer(pb, track->vosData, track->vosLen); 355 return 8+track->vosLen; 356} 357 358/** 359 * Compute flags for 'lpcm' tag. 360 * See CoreAudioTypes and AudioStreamBasicDescription at Apple. 361 */ 362static int mov_get_lpcm_flags(enum CodecID codec_id) 363{ 364 switch (codec_id) { 365 case CODEC_ID_PCM_F32BE: 366 case CODEC_ID_PCM_F64BE: 367 return 11; 368 case CODEC_ID_PCM_F32LE: 369 case CODEC_ID_PCM_F64LE: 370 return 9; 371 case CODEC_ID_PCM_U8: 372 return 10; 373 case CODEC_ID_PCM_S16BE: 374 case CODEC_ID_PCM_S24BE: 375 case CODEC_ID_PCM_S32BE: 376 return 14; 377 case CODEC_ID_PCM_S8: 378 case CODEC_ID_PCM_S16LE: 379 case CODEC_ID_PCM_S24LE: 380 case CODEC_ID_PCM_S32LE: 381 return 12; 382 default: 383 return 0; 384 } 385} 386 387static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track) 388{ 389 int64_t pos = url_ftell(pb); 390 int version = 0; 391 uint32_t tag = track->tag; 392 393 if (track->mode == MODE_MOV) { 394 if (track->timescale > UINT16_MAX) { 395 if (mov_get_lpcm_flags(track->enc->codec_id)) 396 tag = AV_RL32("lpcm"); 397 version = 2; 398 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id)) { 399 version = 1; 400 } 401 } 402 403 put_be32(pb, 0); /* size */ 404 put_le32(pb, tag); // store it byteswapped 405 put_be32(pb, 0); /* Reserved */ 406 put_be16(pb, 0); /* Reserved */ 407 put_be16(pb, 1); /* Data-reference index, XXX == 1 */ 408 409 /* SoundDescription */ 410 put_be16(pb, version); /* Version */ 411 put_be16(pb, 0); /* Revision level */ 412 put_be32(pb, 0); /* Reserved */ 413 414 if (version == 2) { 415 put_be16(pb, 3); 416 put_be16(pb, 16); 417 put_be16(pb, 0xfffe); 418 put_be16(pb, 0); 419 put_be32(pb, 0x00010000); 420 put_be32(pb, 72); 421 put_be64(pb, av_dbl2int(track->timescale)); 422 put_be32(pb, track->enc->channels); 423 put_be32(pb, 0x7F000000); 424 put_be32(pb, av_get_bits_per_sample(track->enc->codec_id)); 425 put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id)); 426 put_be32(pb, track->sampleSize); 427 put_be32(pb, track->enc->frame_size); 428 } else { 429 if (track->mode == MODE_MOV) { 430 put_be16(pb, track->enc->channels); 431 if (track->enc->codec_id == CODEC_ID_PCM_U8 || 432 track->enc->codec_id == CODEC_ID_PCM_S8) 433 put_be16(pb, 8); /* bits per sample */ 434 else 435 put_be16(pb, 16); 436 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ 437 } else { /* reserved for mp4/3gp */ 438 put_be16(pb, 2); 439 put_be16(pb, 16); 440 put_be16(pb, 0); 441 } 442 443 put_be16(pb, 0); /* packet size (= 0) */ 444 put_be16(pb, track->timescale); /* Time scale */ 445 put_be16(pb, 0); /* Reserved */ 446 } 447 448 if(version == 1) { /* SoundDescription V1 extended info */ 449 put_be32(pb, track->enc->frame_size); /* Samples per packet */ 450 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */ 451 put_be32(pb, track->sampleSize); /* Bytes per frame */ 452 put_be32(pb, 2); /* Bytes per sample */ 453 } 454 455 if(track->mode == MODE_MOV && 456 (track->enc->codec_id == CODEC_ID_AAC || 457 track->enc->codec_id == CODEC_ID_AC3 || 458 track->enc->codec_id == CODEC_ID_AMR_NB || 459 track->enc->codec_id == CODEC_ID_ALAC || 460 mov_pcm_le_gt16(track->enc->codec_id))) 461 mov_write_wave_tag(pb, track); 462 else if(track->tag == MKTAG('m','p','4','a')) 463 mov_write_esds_tag(pb, track); 464 else if(track->enc->codec_id == CODEC_ID_AMR_NB) 465 mov_write_amr_tag(pb, track); 466 else if(track->enc->codec_id == CODEC_ID_AC3) 467 mov_write_ac3_tag(pb, track); 468 else if(track->enc->codec_id == CODEC_ID_ALAC) 469 mov_write_extradata_tag(pb, track); 470 else if(track->vosLen > 0) 471 mov_write_glbl_tag(pb, track); 472 473 return updateSize(pb, pos); 474} 475 476static int mov_write_d263_tag(ByteIOContext *pb) 477{ 478 put_be32(pb, 0xf); /* size */ 479 put_tag(pb, "d263"); 480 put_tag(pb, "FFMP"); 481 put_byte(pb, 0); /* decoder version */ 482 /* FIXME use AVCodecContext level/profile, when encoder will set values */ 483 put_byte(pb, 0xa); /* level */ 484 put_byte(pb, 0); /* profile */ 485 return 0xf; 486} 487 488/* TODO: No idea about these values */ 489static int mov_write_svq3_tag(ByteIOContext *pb) 490{ 491 put_be32(pb, 0x15); 492 put_tag(pb, "SMI "); 493 put_tag(pb, "SEQH"); 494 put_be32(pb, 0x5); 495 put_be32(pb, 0xe2c0211d); 496 put_be32(pb, 0xc0000000); 497 put_byte(pb, 0); 498 return 0x15; 499} 500 501static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track) 502{ 503 int64_t pos = url_ftell(pb); 504 505 put_be32(pb, 0); 506 put_tag(pb, "avcC"); 507 ff_isom_write_avcc(pb, track->vosData, track->vosLen); 508 return updateSize(pb, pos); 509} 510 511/* also used by all avid codecs (dv, imx, meridien) and their variants */ 512static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track) 513{ 514 int i; 515 put_be32(pb, 24); /* size */ 516 put_tag(pb, "ACLR"); 517 put_tag(pb, "ACLR"); 518 put_tag(pb, "0001"); 519 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */ 520 put_be32(pb, 0); /* unknown */ 521 522 put_be32(pb, 24); /* size */ 523 put_tag(pb, "APRG"); 524 put_tag(pb, "APRG"); 525 put_tag(pb, "0001"); 526 put_be32(pb, 1); /* unknown */ 527 put_be32(pb, 0); /* unknown */ 528 529 put_be32(pb, 120); /* size */ 530 put_tag(pb, "ARES"); 531 put_tag(pb, "ARES"); 532 put_tag(pb, "0001"); 533 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */ 534 put_be32(pb, track->enc->width); 535 /* values below are based on samples created with quicktime and avid codecs */ 536 if (track->vosData[5] & 2) { // interlaced 537 put_be32(pb, track->enc->height/2); 538 put_be32(pb, 2); /* unknown */ 539 put_be32(pb, 0); /* unknown */ 540 put_be32(pb, 4); /* unknown */ 541 } else { 542 put_be32(pb, track->enc->height); 543 put_be32(pb, 1); /* unknown */ 544 put_be32(pb, 0); /* unknown */ 545 if (track->enc->height == 1080) 546 put_be32(pb, 5); /* unknown */ 547 else 548 put_be32(pb, 6); /* unknown */ 549 } 550 /* padding */ 551 for (i = 0; i < 10; i++) 552 put_be64(pb, 0); 553 554 /* extra padding for stsd needed */ 555 put_be32(pb, 0); 556 return 0; 557} 558 559static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) 560{ 561 int tag = track->enc->codec_tag; 562 563 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)) 564 return 0; 565 566 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1'); 567 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); 568 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); 569 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); 570 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); 571 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); 572 573 return tag; 574} 575 576static const AVCodecTag codec_ipod_tags[] = { 577 { CODEC_ID_H264, MKTAG('a','v','c','1') }, 578 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, 579 { CODEC_ID_AAC, MKTAG('m','p','4','a') }, 580 { CODEC_ID_ALAC, MKTAG('a','l','a','c') }, 581 { CODEC_ID_AC3, MKTAG('a','c','-','3') }, 582 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, 583 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, 584 { CODEC_ID_NONE, 0 }, 585}; 586 587static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) 588{ 589 int tag = track->enc->codec_tag; 590 591 // keep original tag for subs, ipod supports both formats 592 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE && 593 (tag == MKTAG('t','x','3','g') || 594 tag == MKTAG('t','e','x','t')))) 595 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); 596 597 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v")) 598 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v " 599 "Quicktime/Ipod might not play the file\n"); 600 601 return tag; 602} 603 604static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) 605{ 606 int tag; 607 608 if (track->enc->height == 480) /* NTSC */ 609 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); 610 else tag = MKTAG('d','v','c',' '); 611 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); 612 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); 613 else tag = MKTAG('d','v','p','p'); 614 615 return tag; 616} 617 618static const struct { 619 enum PixelFormat pix_fmt; 620 uint32_t tag; 621 unsigned bps; 622} mov_pix_fmt_tags[] = { 623 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, 624 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, 625 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 }, 626 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, 627 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, 628 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, 629 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, 630 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, 631 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, 632 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, 633 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, 634}; 635 636static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) 637{ 638 int tag = track->enc->codec_tag; 639 int i; 640 641 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { 642 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) { 643 tag = mov_pix_fmt_tags[i].tag; 644 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; 645 break; 646 } 647 } 648 649 return tag; 650} 651 652static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) 653{ 654 int tag = track->enc->codec_tag; 655 656 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL && 657 (tag == MKTAG('d','v','c','p') || 658 track->enc->codec_id == CODEC_ID_RAWVIDEO || 659 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio 660 if (track->enc->codec_id == CODEC_ID_DVVIDEO) 661 tag = mov_get_dv_codec_tag(s, track); 662 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) 663 tag = mov_get_rawvideo_codec_tag(s, track); 664 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { 665 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id); 666 if (!tag) { // if no mac fcc found, try with Microsoft tags 667 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); 668 if (tag) 669 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, " 670 "the file may be unplayable!\n"); 671 } 672 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { 673 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id); 674 if (!tag) { // if no mac fcc found, try with Microsoft tags 675 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id); 676 if (ms_tag) { 677 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); 678 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, " 679 "the file may be unplayable!\n"); 680 } 681 } 682 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) 683 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); 684 } 685 686 return tag; 687} 688 689static const AVCodecTag codec_3gp_tags[] = { 690 { CODEC_ID_H263, MKTAG('s','2','6','3') }, 691 { CODEC_ID_H264, MKTAG('a','v','c','1') }, 692 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, 693 { CODEC_ID_AAC, MKTAG('m','p','4','a') }, 694 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, 695 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, 696 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, 697 { CODEC_ID_NONE, 0 }, 698}; 699 700static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) 701{ 702 int tag = track->enc->codec_tag; 703 704 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) 705 tag = mp4_get_codec_tag(s, track); 706 else if (track->mode == MODE_IPOD) 707 tag = ipod_get_codec_tag(s, track); 708 else if (track->mode & MODE_3GP) 709 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); 710 else 711 tag = mov_get_codec_tag(s, track); 712 713 return tag; 714} 715 716/** Write uuid atom. 717 * Needed to make file play in iPods running newest firmware 718 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1 719 */ 720static int mov_write_uuid_tag_ipod(ByteIOContext *pb) 721{ 722 put_be32(pb, 28); 723 put_tag(pb, "uuid"); 724 put_be32(pb, 0x6b6840f2); 725 put_be32(pb, 0x5f244fc5); 726 put_be32(pb, 0xba39a51b); 727 put_be32(pb, 0xcf0323f3); 728 put_be32(pb, 0x0); 729 return 28; 730} 731 732static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track) 733{ 734 int64_t pos = url_ftell(pb); 735 put_be32(pb, 0); /* size */ 736 put_le32(pb, track->tag); // store it byteswapped 737 put_be32(pb, 0); /* Reserved */ 738 put_be16(pb, 0); /* Reserved */ 739 put_be16(pb, 1); /* Data-reference index */ 740 741 if (track->enc->extradata_size) 742 put_buffer(pb, track->enc->extradata, track->enc->extradata_size); 743 744 return updateSize(pb, pos); 745} 746 747static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track) 748{ 749 int64_t pos = url_ftell(pb); 750 char compressor_name[32]; 751 752 put_be32(pb, 0); /* size */ 753 put_le32(pb, track->tag); // store it byteswapped 754 put_be32(pb, 0); /* Reserved */ 755 put_be16(pb, 0); /* Reserved */ 756 put_be16(pb, 1); /* Data-reference index */ 757 758 put_be16(pb, 0); /* Codec stream version */ 759 put_be16(pb, 0); /* Codec stream revision (=0) */ 760 if (track->mode == MODE_MOV) { 761 put_tag(pb, "FFMP"); /* Vendor */ 762 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) { 763 put_be32(pb, 0); /* Temporal Quality */ 764 put_be32(pb, 0x400); /* Spatial Quality = lossless*/ 765 } else { 766 put_be32(pb, 0x200); /* Temporal Quality = normal */ 767 put_be32(pb, 0x200); /* Spatial Quality = normal */ 768 } 769 } else { 770 put_be32(pb, 0); /* Reserved */ 771 put_be32(pb, 0); /* Reserved */ 772 put_be32(pb, 0); /* Reserved */ 773 } 774 put_be16(pb, track->enc->width); /* Video width */ 775 put_be16(pb, track->height); /* Video height */ 776 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */ 777 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */ 778 put_be32(pb, 0); /* Data size (= 0) */ 779 put_be16(pb, 1); /* Frame count (= 1) */ 780 781 memset(compressor_name,0,32); 782 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */ 783 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) 784 strncpy(compressor_name,track->enc->codec->name,31); 785 put_byte(pb, strlen(compressor_name)); 786 put_buffer(pb, compressor_name, 31); 787 788 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample) 789 put_be16(pb, track->enc->bits_per_coded_sample); 790 else 791 put_be16(pb, 0x18); /* Reserved */ 792 put_be16(pb, 0xffff); /* Reserved */ 793 if(track->tag == MKTAG('m','p','4','v')) 794 mov_write_esds_tag(pb, track); 795 else if(track->enc->codec_id == CODEC_ID_H263) 796 mov_write_d263_tag(pb); 797 else if(track->enc->codec_id == CODEC_ID_SVQ3) 798 mov_write_svq3_tag(pb); 799 else if(track->enc->codec_id == CODEC_ID_DNXHD) 800 mov_write_avid_tag(pb, track); 801 else if(track->enc->codec_id == CODEC_ID_H264) { 802 mov_write_avcc_tag(pb, track); 803 if(track->mode == MODE_IPOD) 804 mov_write_uuid_tag_ipod(pb); 805 } else if(track->vosLen > 0) 806 mov_write_glbl_tag(pb, track); 807 808 return updateSize(pb, pos); 809} 810 811static int mov_write_rtp_tag(ByteIOContext *pb, MOVTrack *track) 812{ 813 int64_t pos = url_ftell(pb); 814 put_be32(pb, 0); /* size */ 815 put_tag(pb, "rtp "); 816 put_be32(pb, 0); /* Reserved */ 817 put_be16(pb, 0); /* Reserved */ 818 put_be16(pb, 1); /* Data-reference index */ 819 820 put_be16(pb, 1); /* Hint track version */ 821 put_be16(pb, 1); /* Highest compatible version */ 822 put_be32(pb, track->max_packet_size); /* Max packet size */ 823 824 put_be32(pb, 12); /* size */ 825 put_tag(pb, "tims"); 826 put_be32(pb, track->timescale); 827 828 return updateSize(pb, pos); 829} 830 831static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track) 832{ 833 int64_t pos = url_ftell(pb); 834 put_be32(pb, 0); /* size */ 835 put_tag(pb, "stsd"); 836 put_be32(pb, 0); /* version & flags */ 837 put_be32(pb, 1); /* entry count */ 838 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) 839 mov_write_video_tag(pb, track); 840 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 841 mov_write_audio_tag(pb, track); 842 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) 843 mov_write_subtitle_tag(pb, track); 844 else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) 845 mov_write_rtp_tag(pb, track); 846 return updateSize(pb, pos); 847} 848 849static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track) 850{ 851 MOVStts *ctts_entries; 852 uint32_t entries = 0; 853 uint32_t atom_size; 854 int i; 855 856 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ 857 ctts_entries[0].count = 1; 858 ctts_entries[0].duration = track->cluster[0].cts; 859 for (i=1; i<track->entry; i++) { 860 if (track->cluster[i].cts == ctts_entries[entries].duration) { 861 ctts_entries[entries].count++; /* compress */ 862 } else { 863 entries++; 864 ctts_entries[entries].duration = track->cluster[i].cts; 865 ctts_entries[entries].count = 1; 866 } 867 } 868 entries++; /* last one */ 869 atom_size = 16 + (entries * 8); 870 put_be32(pb, atom_size); /* size */ 871 put_tag(pb, "ctts"); 872 put_be32(pb, 0); /* version & flags */ 873 put_be32(pb, entries); /* entry count */ 874 for (i=0; i<entries; i++) { 875 put_be32(pb, ctts_entries[i].count); 876 put_be32(pb, ctts_entries[i].duration); 877 } 878 av_free(ctts_entries); 879 return atom_size; 880} 881 882/* Time to sample atom */ 883static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track) 884{ 885 MOVStts *stts_entries; 886 uint32_t entries = -1; 887 uint32_t atom_size; 888 int i; 889 890 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) { 891 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ 892 stts_entries[0].count = track->sampleCount; 893 stts_entries[0].duration = 1; 894 entries = 1; 895 } else { 896 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */ 897 for (i=0; i<track->entry; i++) { 898 int64_t duration = i + 1 == track->entry ? 899 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */ 900 track->cluster[i+1].dts - track->cluster[i].dts; 901 if (i && duration == stts_entries[entries].duration) { 902 stts_entries[entries].count++; /* compress */ 903 } else { 904 entries++; 905 stts_entries[entries].duration = duration; 906 stts_entries[entries].count = 1; 907 } 908 } 909 entries++; /* last one */ 910 } 911 atom_size = 16 + (entries * 8); 912 put_be32(pb, atom_size); /* size */ 913 put_tag(pb, "stts"); 914 put_be32(pb, 0); /* version & flags */ 915 put_be32(pb, entries); /* entry count */ 916 for (i=0; i<entries; i++) { 917 put_be32(pb, stts_entries[i].count); 918 put_be32(pb, stts_entries[i].duration); 919 } 920 av_free(stts_entries); 921 return atom_size; 922} 923 924static int mov_write_dref_tag(ByteIOContext *pb) 925{ 926 put_be32(pb, 28); /* size */ 927 put_tag(pb, "dref"); 928 put_be32(pb, 0); /* version & flags */ 929 put_be32(pb, 1); /* entry count */ 930 931 put_be32(pb, 0xc); /* size */ 932 put_tag(pb, "url "); 933 put_be32(pb, 1); /* version & flags */ 934 935 return 28; 936} 937 938static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track) 939{ 940 int64_t pos = url_ftell(pb); 941 put_be32(pb, 0); /* size */ 942 put_tag(pb, "stbl"); 943 mov_write_stsd_tag(pb, track); 944 mov_write_stts_tag(pb, track); 945 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO || 946 track->enc->codec_tag == MKTAG('r','t','p',' ')) && 947 track->hasKeyframes && track->hasKeyframes < track->entry) 948 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); 949 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS) 950 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); 951 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && 952 track->flags & MOV_TRACK_CTTS) 953 mov_write_ctts_tag(pb, track); 954 mov_write_stsc_tag(pb, track); 955 mov_write_stsz_tag(pb, track); 956 mov_write_stco_tag(pb, track); 957 return updateSize(pb, pos); 958} 959 960static int mov_write_dinf_tag(ByteIOContext *pb) 961{ 962 int64_t pos = url_ftell(pb); 963 put_be32(pb, 0); /* size */ 964 put_tag(pb, "dinf"); 965 mov_write_dref_tag(pb); 966 return updateSize(pb, pos); 967} 968 969static int mov_write_nmhd_tag(ByteIOContext *pb) 970{ 971 put_be32(pb, 12); 972 put_tag(pb, "nmhd"); 973 put_be32(pb, 0); 974 return 12; 975} 976 977static int mov_write_gmhd_tag(ByteIOContext *pb) 978{ 979 put_be32(pb, 0x20); /* size */ 980 put_tag(pb, "gmhd"); 981 put_be32(pb, 0x18); /* gmin size */ 982 put_tag(pb, "gmin"); /* generic media info */ 983 put_be32(pb, 0); /* version & flags */ 984 put_be16(pb, 0x40); /* graphics mode = */ 985 put_be16(pb, 0x8000); /* opColor (r?) */ 986 put_be16(pb, 0x8000); /* opColor (g?) */ 987 put_be16(pb, 0x8000); /* opColor (b?) */ 988 put_be16(pb, 0); /* balance */ 989 put_be16(pb, 0); /* reserved */ 990 return 0x20; 991} 992 993static int mov_write_smhd_tag(ByteIOContext *pb) 994{ 995 put_be32(pb, 16); /* size */ 996 put_tag(pb, "smhd"); 997 put_be32(pb, 0); /* version & flags */ 998 put_be16(pb, 0); /* reserved (balance, normally = 0) */ 999 put_be16(pb, 0); /* reserved */ 1000 return 16; 1001} 1002 1003static int mov_write_vmhd_tag(ByteIOContext *pb) 1004{ 1005 put_be32(pb, 0x14); /* size (always 0x14) */ 1006 put_tag(pb, "vmhd"); 1007 put_be32(pb, 0x01); /* version & flags */ 1008 put_be64(pb, 0); /* reserved (graphics mode = copy) */ 1009 return 0x14; 1010} 1011 1012static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track) 1013{ 1014 const char *hdlr, *descr = NULL, *hdlr_type = NULL; 1015 int64_t pos = url_ftell(pb); 1016 1017 if (!track) { /* no media --> data handler */ 1018 hdlr = "dhlr"; 1019 hdlr_type = "url "; 1020 descr = "DataHandler"; 1021 } else { 1022 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; 1023 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { 1024 hdlr_type = "vide"; 1025 descr = "VideoHandler"; 1026 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { 1027 hdlr_type = "soun"; 1028 descr = "SoundHandler"; 1029 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { 1030 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl"; 1031 else hdlr_type = "text"; 1032 descr = "SubtitleHandler"; 1033 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { 1034 hdlr_type = "hint"; 1035 descr = "HintHandler"; 1036 } 1037 } 1038 1039 put_be32(pb, 0); /* size */ 1040 put_tag(pb, "hdlr"); 1041 put_be32(pb, 0); /* Version & flags */ 1042 put_buffer(pb, hdlr, 4); /* handler */ 1043 put_tag(pb, hdlr_type); /* handler type */ 1044 put_be32(pb ,0); /* reserved */ 1045 put_be32(pb ,0); /* reserved */ 1046 put_be32(pb ,0); /* reserved */ 1047 if (!track || track->mode == MODE_MOV) 1048 put_byte(pb, strlen(descr)); /* pascal string */ 1049 put_buffer(pb, descr, strlen(descr)); /* handler description */ 1050 if (track && track->mode != MODE_MOV) 1051 put_byte(pb, 0); /* c string */ 1052 return updateSize(pb, pos); 1053} 1054 1055static int mov_write_hmhd_tag(ByteIOContext *pb) 1056{ 1057 /* This atom must be present, but leaving the values at zero 1058 * seems harmless. */ 1059 put_be32(pb, 28); /* size */ 1060 put_tag(pb, "hmhd"); 1061 put_be32(pb, 0); /* version, flags */ 1062 put_be16(pb, 0); /* maxPDUsize */ 1063 put_be16(pb, 0); /* avgPDUsize */ 1064 put_be32(pb, 0); /* maxbitrate */ 1065 put_be32(pb, 0); /* avgbitrate */ 1066 put_be32(pb, 0); /* reserved */ 1067 return 28; 1068} 1069 1070static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track) 1071{ 1072 int64_t pos = url_ftell(pb); 1073 put_be32(pb, 0); /* size */ 1074 put_tag(pb, "minf"); 1075 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO) 1076 mov_write_vmhd_tag(pb); 1077 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 1078 mov_write_smhd_tag(pb); 1079 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { 1080 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb); 1081 else mov_write_nmhd_tag(pb); 1082 } else if (track->tag == MKTAG('r','t','p',' ')) { 1083 mov_write_hmhd_tag(pb); 1084 } 1085 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ 1086 mov_write_hdlr_tag(pb, NULL); 1087 mov_write_dinf_tag(pb); 1088 mov_write_stbl_tag(pb, track); 1089 return updateSize(pb, pos); 1090} 1091 1092static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track) 1093{ 1094 int version = track->trackDuration < INT32_MAX ? 0 : 1; 1095 1096 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */ 1097 put_tag(pb, "mdhd"); 1098 put_byte(pb, version); 1099 put_be24(pb, 0); /* flags */ 1100 if (version == 1) { 1101 put_be64(pb, track->time); 1102 put_be64(pb, track->time); 1103 } else { 1104 put_be32(pb, track->time); /* creation time */ 1105 put_be32(pb, track->time); /* modification time */ 1106 } 1107 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */ 1108 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */ 1109 put_be16(pb, track->language); /* language */ 1110 put_be16(pb, 0); /* reserved (quality) */ 1111 1112 if(version!=0 && track->mode == MODE_MOV){ 1113 av_log(NULL, AV_LOG_ERROR, 1114 "FATAL error, file duration too long for timebase, this file will not be\n" 1115 "playable with quicktime. Choose a different timebase or a different\n" 1116 "container format\n"); 1117 } 1118 1119 return 32; 1120} 1121 1122static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track) 1123{ 1124 int64_t pos = url_ftell(pb); 1125 put_be32(pb, 0); /* size */ 1126 put_tag(pb, "mdia"); 1127 mov_write_mdhd_tag(pb, track); 1128 mov_write_hdlr_tag(pb, track); 1129 mov_write_minf_tag(pb, track); 1130 return updateSize(pb, pos); 1131} 1132 1133static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) 1134{ 1135 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, 1136 track->timescale, AV_ROUND_UP); 1137 int version = duration < INT32_MAX ? 0 : 1; 1138 1139 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */ 1140 put_tag(pb, "tkhd"); 1141 put_byte(pb, version); 1142 put_be24(pb, 0xf); /* flags (track enabled) */ 1143 if (version == 1) { 1144 put_be64(pb, track->time); 1145 put_be64(pb, track->time); 1146 } else { 1147 put_be32(pb, track->time); /* creation time */ 1148 put_be32(pb, track->time); /* modification time */ 1149 } 1150 put_be32(pb, track->trackID); /* track-id */ 1151 put_be32(pb, 0); /* reserved */ 1152 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration); 1153 1154 put_be32(pb, 0); /* reserved */ 1155 put_be32(pb, 0); /* reserved */ 1156 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */ 1157 /* Volume, only for audio */ 1158 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 1159 put_be16(pb, 0x0100); 1160 else 1161 put_be16(pb, 0); 1162 put_be16(pb, 0); /* reserved */ 1163 1164 /* Matrix structure */ 1165 put_be32(pb, 0x00010000); /* reserved */ 1166 put_be32(pb, 0x0); /* reserved */ 1167 put_be32(pb, 0x0); /* reserved */ 1168 put_be32(pb, 0x0); /* reserved */ 1169 put_be32(pb, 0x00010000); /* reserved */ 1170 put_be32(pb, 0x0); /* reserved */ 1171 put_be32(pb, 0x0); /* reserved */ 1172 put_be32(pb, 0x0); /* reserved */ 1173 put_be32(pb, 0x40000000); /* reserved */ 1174 1175 /* Track width and height, for visual only */ 1176 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO || 1177 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { 1178 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); 1179 if(!sample_aspect_ratio || track->height != track->enc->height) 1180 sample_aspect_ratio = 1; 1181 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000); 1182 put_be32(pb, track->height*0x10000); 1183 } 1184 else { 1185 put_be32(pb, 0); 1186 put_be32(pb, 0); 1187 } 1188 return 0x5c; 1189} 1190 1191// This box seems important for the psp playback ... without it the movie seems to hang 1192static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track) 1193{ 1194 put_be32(pb, 0x24); /* size */ 1195 put_tag(pb, "edts"); 1196 put_be32(pb, 0x1c); /* size */ 1197 put_tag(pb, "elst"); 1198 put_be32(pb, 0x0); 1199 put_be32(pb, 0x1); 1200 1201 /* duration ... doesn't seem to effect psp */ 1202 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, 1203 track->timescale, AV_ROUND_UP)); 1204 1205 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */ 1206 put_be32(pb, 0x00010000); 1207 return 0x24; 1208} 1209 1210static int mov_write_tref_tag(ByteIOContext *pb, MOVTrack *track) 1211{ 1212 put_be32(pb, 20); // size 1213 put_tag(pb, "tref"); 1214 put_be32(pb, 12); // size (subatom) 1215 put_le32(pb, track->tref_tag); 1216 put_be32(pb, track->tref_id); 1217 return 20; 1218} 1219 1220// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it) 1221static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov) 1222{ 1223 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */ 1224 put_tag(pb, "uuid"); 1225 put_tag(pb, "USMT"); 1226 put_be32(pb, 0x21d24fce); 1227 put_be32(pb, 0xbb88695c); 1228 put_be32(pb, 0xfac9c740); 1229 put_be32(pb, 0x1c); // another size here! 1230 put_tag(pb, "MTDT"); 1231 put_be32(pb, 0x00010012); 1232 put_be32(pb, 0x0a); 1233 put_be32(pb, 0x55c40000); 1234 put_be32(pb, 0x1); 1235 put_be32(pb, 0x0); 1236 return 0x34; 1237} 1238 1239static int mov_write_udta_sdp(ByteIOContext *pb, AVCodecContext *ctx, int index) 1240{ 1241 char buf[1000] = ""; 1242 int len; 1243 1244 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, 0, 0); 1245 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index); 1246 len = strlen(buf); 1247 1248 put_be32(pb, len + 24); 1249 put_tag (pb, "udta"); 1250 put_be32(pb, len + 16); 1251 put_tag (pb, "hnti"); 1252 put_be32(pb, len + 8); 1253 put_tag (pb, "sdp "); 1254 put_buffer(pb, buf, len); 1255 return len + 24; 1256} 1257 1258static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) 1259{ 1260 int64_t pos = url_ftell(pb); 1261 put_be32(pb, 0); /* size */ 1262 put_tag(pb, "trak"); 1263 mov_write_tkhd_tag(pb, track, st); 1264 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS) 1265 mov_write_edts_tag(pb, track); // PSP Movies require edts box 1266 if (track->tref_tag) 1267 mov_write_tref_tag(pb, track); 1268 mov_write_mdia_tag(pb, track); 1269 if (track->mode == MODE_PSP) 1270 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box 1271 if (track->tag == MKTAG('r','t','p',' ')) 1272 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID); 1273 return updateSize(pb, pos); 1274} 1275 1276#if 0 1277/* TODO: Not sorted out, but not necessary either */ 1278static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov) 1279{ 1280 put_be32(pb, 0x15); /* size */ 1281 put_tag(pb, "iods"); 1282 put_be32(pb, 0); /* version & flags */ 1283 put_be16(pb, 0x1007); 1284 put_byte(pb, 0); 1285 put_be16(pb, 0x4fff); 1286 put_be16(pb, 0xfffe); 1287 put_be16(pb, 0x01ff); 1288 return 0x15; 1289} 1290#endif 1291 1292static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov) 1293{ 1294 int maxTrackID = 1, i; 1295 int64_t maxTrackLenTemp, maxTrackLen = 0; 1296 int version; 1297 1298 for (i=0; i<mov->nb_streams; i++) { 1299 if(mov->tracks[i].entry > 0) { 1300 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, 1301 MOV_TIMESCALE, 1302 mov->tracks[i].timescale, 1303 AV_ROUND_UP); 1304 if(maxTrackLen < maxTrackLenTemp) 1305 maxTrackLen = maxTrackLenTemp; 1306 if(maxTrackID < mov->tracks[i].trackID) 1307 maxTrackID = mov->tracks[i].trackID; 1308 } 1309 } 1310 1311 version = maxTrackLen < UINT32_MAX ? 0 : 1; 1312 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */ 1313 put_tag(pb, "mvhd"); 1314 put_byte(pb, version); 1315 put_be24(pb, 0); /* flags */ 1316 if (version == 1) { 1317 put_be64(pb, mov->time); 1318 put_be64(pb, mov->time); 1319 } else { 1320 put_be32(pb, mov->time); /* creation time */ 1321 put_be32(pb, mov->time); /* modification time */ 1322 } 1323 put_be32(pb, MOV_TIMESCALE); 1324 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */ 1325 1326 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ 1327 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ 1328 put_be16(pb, 0); /* reserved */ 1329 put_be32(pb, 0); /* reserved */ 1330 put_be32(pb, 0); /* reserved */ 1331 1332 /* Matrix structure */ 1333 put_be32(pb, 0x00010000); /* reserved */ 1334 put_be32(pb, 0x0); /* reserved */ 1335 put_be32(pb, 0x0); /* reserved */ 1336 put_be32(pb, 0x0); /* reserved */ 1337 put_be32(pb, 0x00010000); /* reserved */ 1338 put_be32(pb, 0x0); /* reserved */ 1339 put_be32(pb, 0x0); /* reserved */ 1340 put_be32(pb, 0x0); /* reserved */ 1341 put_be32(pb, 0x40000000); /* reserved */ 1342 1343 put_be32(pb, 0); /* reserved (preview time) */ 1344 put_be32(pb, 0); /* reserved (preview duration) */ 1345 put_be32(pb, 0); /* reserved (poster time) */ 1346 put_be32(pb, 0); /* reserved (selection time) */ 1347 put_be32(pb, 0); /* reserved (selection duration) */ 1348 put_be32(pb, 0); /* reserved (current time) */ 1349 put_be32(pb, maxTrackID+1); /* Next track id */ 1350 return 0x6c; 1351} 1352 1353static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov, 1354 AVFormatContext *s) 1355{ 1356 put_be32(pb, 33); /* size */ 1357 put_tag(pb, "hdlr"); 1358 put_be32(pb, 0); 1359 put_be32(pb, 0); 1360 put_tag(pb, "mdir"); 1361 put_tag(pb, "appl"); 1362 put_be32(pb, 0); 1363 put_be32(pb, 0); 1364 put_byte(pb, 0); 1365 return 33; 1366} 1367 1368/* helper function to write a data tag with the specified string as data */ 1369static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style) 1370{ 1371 if(long_style){ 1372 int size = 16 + strlen(data); 1373 put_be32(pb, size); /* size */ 1374 put_tag(pb, "data"); 1375 put_be32(pb, 1); 1376 put_be32(pb, 0); 1377 put_buffer(pb, data, strlen(data)); 1378 return size; 1379 }else{ 1380 if (!lang) 1381 lang = ff_mov_iso639_to_lang("und", 1); 1382 put_be16(pb, strlen(data)); /* string length */ 1383 put_be16(pb, lang); 1384 put_buffer(pb, data, strlen(data)); 1385 return strlen(data) + 4; 1386 } 1387} 1388 1389static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){ 1390 int size = 0; 1391 if (value && value[0]) { 1392 int64_t pos = url_ftell(pb); 1393 put_be32(pb, 0); /* size */ 1394 put_tag(pb, name); 1395 mov_write_string_data_tag(pb, value, lang, long_style); 1396 size= updateSize(pb, pos); 1397 } 1398 return size; 1399} 1400 1401static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb, 1402 const char *name, const char *tag, 1403 int long_style) 1404{ 1405 int l, lang = 0, len, len2; 1406 AVMetadataTag *t, *t2 = NULL; 1407 char tag2[16]; 1408 1409 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0))) 1410 return 0; 1411 1412 len = strlen(t->key); 1413 snprintf(tag2, sizeof(tag2), "%s-", tag); 1414 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) { 1415 len2 = strlen(t2->key); 1416 if (len2 == len+4 && !strcmp(t->value, t2->value) 1417 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) { 1418 lang = l; 1419 break; 1420 } 1421 } 1422 return mov_write_string_tag(pb, name, t->value, lang, long_style); 1423} 1424 1425/* iTunes track number */ 1426static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov, 1427 AVFormatContext *s) 1428{ 1429 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0); 1430 int size = 0, track = t ? atoi(t->value) : 0; 1431 if (track) { 1432 put_be32(pb, 32); /* size */ 1433 put_tag(pb, "trkn"); 1434 put_be32(pb, 24); /* size */ 1435 put_tag(pb, "data"); 1436 put_be32(pb, 0); // 8 bytes empty 1437 put_be32(pb, 0); 1438 put_be16(pb, 0); // empty 1439 put_be16(pb, track); // track number 1440 put_be16(pb, 0); // total track number 1441 put_be16(pb, 0); // empty 1442 size = 32; 1443 } 1444 return size; 1445} 1446 1447/* iTunes meta data list */ 1448static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov, 1449 AVFormatContext *s) 1450{ 1451 int64_t pos = url_ftell(pb); 1452 put_be32(pb, 0); /* size */ 1453 put_tag(pb, "ilst"); 1454 mov_write_string_metadata(s, pb, "\251nam", "title" , 1); 1455 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1); 1456 mov_write_string_metadata(s, pb, "aART", "album_artist", 1); 1457 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); 1458 mov_write_string_metadata(s, pb, "\251alb", "album" , 1); 1459 mov_write_string_metadata(s, pb, "\251day", "date" , 1); 1460 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); 1461 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); 1462 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); 1463 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); 1464 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); 1465 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); 1466 mov_write_string_metadata(s, pb, "desc", "description",1); 1467 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); 1468 mov_write_string_metadata(s, pb, "tvsh", "show" , 1); 1469 mov_write_string_metadata(s, pb, "tven", "episode_id",1); 1470 mov_write_string_metadata(s, pb, "tvnn", "network" , 1); 1471 mov_write_trkn_tag(pb, mov, s); 1472 return updateSize(pb, pos); 1473} 1474 1475/* iTunes meta data tag */ 1476static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov, 1477 AVFormatContext *s) 1478{ 1479 int size = 0; 1480 int64_t pos = url_ftell(pb); 1481 put_be32(pb, 0); /* size */ 1482 put_tag(pb, "meta"); 1483 put_be32(pb, 0); 1484 mov_write_itunes_hdlr_tag(pb, mov, s); 1485 mov_write_ilst_tag(pb, mov, s); 1486 size = updateSize(pb, pos); 1487 return size; 1488} 1489 1490static int utf8len(const uint8_t *b) 1491{ 1492 int len=0; 1493 int val; 1494 while(*b){ 1495 GET_UTF8(val, *b++, return -1;) 1496 len++; 1497 } 1498 return len; 1499} 1500 1501static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b) 1502{ 1503 int val; 1504 while(*b){ 1505 GET_UTF8(val, *b++, return -1;) 1506 put_be16(pb, val); 1507 } 1508 put_be16(pb, 0x00); 1509 return 0; 1510} 1511 1512static uint16_t language_code(const char *str) 1513{ 1514 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F); 1515} 1516 1517static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s, 1518 const char *tag, const char *str) 1519{ 1520 int64_t pos = url_ftell(pb); 1521 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0); 1522 if (!t || !utf8len(t->value)) 1523 return 0; 1524 put_be32(pb, 0); /* size */ 1525 put_tag (pb, tag); /* type */ 1526 put_be32(pb, 0); /* version + flags */ 1527 if (!strcmp(tag, "yrrc")) 1528 put_be16(pb, atoi(t->value)); 1529 else { 1530 put_be16(pb, language_code("eng")); /* language */ 1531 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */ 1532 if (!strcmp(tag, "albm") && 1533 (t = av_metadata_get(s->metadata, "date", NULL, 0))) 1534 put_byte(pb, atoi(t->value)); 1535 } 1536 return updateSize(pb, pos); 1537} 1538 1539static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s) 1540{ 1541 int64_t pos = url_ftell(pb); 1542 int i, nb_chapters = FFMIN(s->nb_chapters, 255); 1543 1544 put_be32(pb, 0); // size 1545 put_tag (pb, "chpl"); 1546 put_be32(pb, 0x01000000); // version + flags 1547 put_be32(pb, 0); // unknown 1548 put_byte(pb, nb_chapters); 1549 1550 for (i = 0; i < nb_chapters; i++) { 1551 AVChapter *c = s->chapters[i]; 1552 AVMetadataTag *t; 1553 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); 1554 1555 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) { 1556 int len = FFMIN(strlen(t->value), 255); 1557 put_byte(pb, len); 1558 put_buffer(pb, t->value, len); 1559 } else 1560 put_byte(pb, 0); 1561 } 1562 return updateSize(pb, pos); 1563} 1564 1565static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov, 1566 AVFormatContext *s) 1567{ 1568 ByteIOContext *pb_buf; 1569 int i, ret, size; 1570 uint8_t *buf; 1571 1572 for (i = 0; i < s->nb_streams; i++) 1573 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) { 1574 return 0; 1575 } 1576 1577 ret = url_open_dyn_buf(&pb_buf); 1578 if(ret < 0) 1579 return ret; 1580 1581 if (mov->mode & MODE_3GP) { 1582 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); 1583 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); 1584 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); 1585 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); 1586 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); 1587 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); 1588 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); 1589 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); 1590 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 1591 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0); 1592 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0); 1593 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0); 1594 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0); 1595 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0); 1596 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0); 1597 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0); 1598 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0); 1599 } else { 1600 /* iTunes meta data */ 1601 mov_write_meta_tag(pb_buf, mov, s); 1602 } 1603 1604 if (s->nb_chapters) 1605 mov_write_chpl_tag(pb_buf, s); 1606 1607 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) { 1608 put_be32(pb, size+8); 1609 put_tag(pb, "udta"); 1610 put_buffer(pb, buf, size); 1611 av_free(buf); 1612 } 1613 1614 return 0; 1615} 1616 1617static void mov_write_psp_udta_tag(ByteIOContext *pb, 1618 const char *str, const char *lang, int type) 1619{ 1620 int len = utf8len(str)+1; 1621 if(len<=0) 1622 return; 1623 put_be16(pb, len*2+10); /* size */ 1624 put_be32(pb, type); /* type */ 1625 put_be16(pb, language_code(lang)); /* language */ 1626 put_be16(pb, 0x01); /* ? */ 1627 ascii_to_wc(pb, str); 1628} 1629 1630static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s) 1631{ 1632 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0); 1633 int64_t pos, pos2; 1634 1635 if (title) { 1636 pos = url_ftell(pb); 1637 put_be32(pb, 0); /* size placeholder*/ 1638 put_tag(pb, "uuid"); 1639 put_tag(pb, "USMT"); 1640 put_be32(pb, 0x21d24fce); /* 96 bit UUID */ 1641 put_be32(pb, 0xbb88695c); 1642 put_be32(pb, 0xfac9c740); 1643 1644 pos2 = url_ftell(pb); 1645 put_be32(pb, 0); /* size placeholder*/ 1646 put_tag(pb, "MTDT"); 1647 put_be16(pb, 4); 1648 1649 // ? 1650 put_be16(pb, 0x0C); /* size */ 1651 put_be32(pb, 0x0B); /* type */ 1652 put_be16(pb, language_code("und")); /* language */ 1653 put_be16(pb, 0x0); /* ? */ 1654 put_be16(pb, 0x021C); /* data */ 1655 1656 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); 1657 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); 1658// snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec); 1659 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); 1660 1661 updateSize(pb, pos2); 1662 return updateSize(pb, pos); 1663 } 1664 1665 return 0; 1666} 1667 1668static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov, 1669 AVFormatContext *s) 1670{ 1671 int i; 1672 int64_t pos = url_ftell(pb); 1673 put_be32(pb, 0); /* size placeholder*/ 1674 put_tag(pb, "moov"); 1675 1676 for (i=0; i<mov->nb_streams; i++) { 1677 if(mov->tracks[i].entry <= 0) continue; 1678 1679 mov->tracks[i].time = mov->time; 1680 mov->tracks[i].trackID = i+1; 1681 } 1682 1683 if (mov->chapter_track) 1684 for (i=0; i<s->nb_streams; i++) { 1685 mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); 1686 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID; 1687 } 1688 for (i = 0; i < mov->nb_streams; i++) { 1689 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { 1690 mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); 1691 mov->tracks[i].tref_id = 1692 mov->tracks[mov->tracks[i].src_track].trackID; 1693 } 1694 } 1695 1696 mov_write_mvhd_tag(pb, mov); 1697 //mov_write_iods_tag(pb, mov); 1698 for (i=0; i<mov->nb_streams; i++) { 1699 if(mov->tracks[i].entry > 0) { 1700 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); 1701 } 1702 } 1703 1704 if (mov->mode == MODE_PSP) 1705 mov_write_uuidusmt_tag(pb, s); 1706 else 1707 mov_write_udta_tag(pb, mov, s); 1708 1709 return updateSize(pb, pos); 1710} 1711 1712static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov) 1713{ 1714 put_be32(pb, 8); // placeholder for extended size field (64 bit) 1715 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free"); 1716 1717 mov->mdat_pos = url_ftell(pb); 1718 put_be32(pb, 0); /* size placeholder*/ 1719 put_tag(pb, "mdat"); 1720 return 0; 1721} 1722 1723/* TODO: This needs to be more general */ 1724static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s) 1725{ 1726 MOVMuxContext *mov = s->priv_data; 1727 int64_t pos = url_ftell(pb); 1728 int has_h264 = 0, has_video = 0; 1729 int minor = 0x200; 1730 int i; 1731 1732 for (i = 0; i < s->nb_streams; i++) { 1733 AVStream *st = s->streams[i]; 1734 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) 1735 has_video = 1; 1736 if (st->codec->codec_id == CODEC_ID_H264) 1737 has_h264 = 1; 1738 } 1739 1740 put_be32(pb, 0); /* size */ 1741 put_tag(pb, "ftyp"); 1742 1743 if (mov->mode == MODE_3GP) { 1744 put_tag(pb, has_h264 ? "3gp6" : "3gp4"); 1745 minor = has_h264 ? 0x100 : 0x200; 1746 } else if (mov->mode & MODE_3G2) { 1747 put_tag(pb, has_h264 ? "3g2b" : "3g2a"); 1748 minor = has_h264 ? 0x20000 : 0x10000; 1749 }else if (mov->mode == MODE_PSP) 1750 put_tag(pb, "MSNV"); 1751 else if (mov->mode == MODE_MP4) 1752 put_tag(pb, "isom"); 1753 else if (mov->mode == MODE_IPOD) 1754 put_tag(pb, has_video ? "M4V ":"M4A "); 1755 else 1756 put_tag(pb, "qt "); 1757 1758 put_be32(pb, minor); 1759 1760 if(mov->mode == MODE_MOV) 1761 put_tag(pb, "qt "); 1762 else{ 1763 put_tag(pb, "isom"); 1764 put_tag(pb, "iso2"); 1765 if(has_h264) 1766 put_tag(pb, "avc1"); 1767 } 1768 1769 if (mov->mode == MODE_3GP) 1770 put_tag(pb, has_h264 ? "3gp6":"3gp4"); 1771 else if (mov->mode & MODE_3G2) 1772 put_tag(pb, has_h264 ? "3g2b":"3g2a"); 1773 else if (mov->mode == MODE_PSP) 1774 put_tag(pb, "MSNV"); 1775 else if (mov->mode == MODE_MP4) 1776 put_tag(pb, "mp41"); 1777 return updateSize(pb, pos); 1778} 1779 1780static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s) 1781{ 1782 AVCodecContext *VideoCodec = s->streams[0]->codec; 1783 AVCodecContext *AudioCodec = s->streams[1]->codec; 1784 int AudioRate = AudioCodec->sample_rate; 1785 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); 1786 int audio_kbitrate= AudioCodec->bit_rate / 1000; 1787 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate); 1788 1789 put_be32(pb, 0x94); /* size */ 1790 put_tag(pb, "uuid"); 1791 put_tag(pb, "PROF"); 1792 1793 put_be32(pb, 0x21d24fce); /* 96 bit UUID */ 1794 put_be32(pb, 0xbb88695c); 1795 put_be32(pb, 0xfac9c740); 1796 1797 put_be32(pb, 0x0); /* ? */ 1798 put_be32(pb, 0x3); /* 3 sections ? */ 1799 1800 put_be32(pb, 0x14); /* size */ 1801 put_tag(pb, "FPRF"); 1802 put_be32(pb, 0x0); /* ? */ 1803 put_be32(pb, 0x0); /* ? */ 1804 put_be32(pb, 0x0); /* ? */ 1805 1806 put_be32(pb, 0x2c); /* size */ 1807 put_tag(pb, "APRF"); /* audio */ 1808 put_be32(pb, 0x0); 1809 put_be32(pb, 0x2); /* TrackID */ 1810 put_tag(pb, "mp4a"); 1811 put_be32(pb, 0x20f); 1812 put_be32(pb, 0x0); 1813 put_be32(pb, audio_kbitrate); 1814 put_be32(pb, audio_kbitrate); 1815 put_be32(pb, AudioRate); 1816 put_be32(pb, AudioCodec->channels); 1817 1818 put_be32(pb, 0x34); /* size */ 1819 put_tag(pb, "VPRF"); /* video */ 1820 put_be32(pb, 0x0); 1821 put_be32(pb, 0x1); /* TrackID */ 1822 if (VideoCodec->codec_id == CODEC_ID_H264) { 1823 put_tag(pb, "avc1"); 1824 put_be16(pb, 0x014D); 1825 put_be16(pb, 0x0015); 1826 } else { 1827 put_tag(pb, "mp4v"); 1828 put_be16(pb, 0x0000); 1829 put_be16(pb, 0x0103); 1830 } 1831 put_be32(pb, 0x0); 1832 put_be32(pb, video_kbitrate); 1833 put_be32(pb, video_kbitrate); 1834 put_be32(pb, FrameRate); 1835 put_be32(pb, FrameRate); 1836 put_be16(pb, VideoCodec->width); 1837 put_be16(pb, VideoCodec->height); 1838 put_be32(pb, 0x010001); /* ? */ 1839} 1840 1841static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) 1842{ 1843 uint32_t c = -1; 1844 int i, closed_gop = 0; 1845 1846 for (i = 0; i < pkt->size - 4; i++) { 1847 c = (c<<8) + pkt->data[i]; 1848 if (c == 0x1b8) { // gop 1849 closed_gop = pkt->data[i+4]>>6 & 0x01; 1850 } else if (c == 0x100) { // pic 1851 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); 1852 if (!temp_ref || closed_gop) // I picture is not reordered 1853 *flags = MOV_SYNC_SAMPLE; 1854 else 1855 *flags = MOV_PARTIAL_SYNC_SAMPLE; 1856 break; 1857 } 1858 } 1859 return 0; 1860} 1861 1862int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) 1863{ 1864 MOVMuxContext *mov = s->priv_data; 1865 ByteIOContext *pb = s->pb; 1866 MOVTrack *trk = &mov->tracks[pkt->stream_index]; 1867 AVCodecContext *enc = trk->enc; 1868 unsigned int samplesInChunk = 0; 1869 int size= pkt->size; 1870 1871 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */ 1872 if (!size) return 0; /* Discard 0 sized packets */ 1873 1874 if (enc->codec_id == CODEC_ID_AMR_NB) { 1875 /* We must find out how many AMR blocks there are in one packet */ 1876 static uint16_t packed_size[16] = 1877 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0}; 1878 int len = 0; 1879 1880 while (len < size && samplesInChunk < 100) { 1881 len += packed_size[(pkt->data[len] >> 3) & 0x0F]; 1882 samplesInChunk++; 1883 } 1884 if(samplesInChunk > 1){ 1885 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); 1886 return -1; 1887 } 1888 } else if (trk->sampleSize) 1889 samplesInChunk = size/trk->sampleSize; 1890 else 1891 samplesInChunk = 1; 1892 1893 /* copy extradata if it exists */ 1894 if (trk->vosLen == 0 && enc->extradata_size > 0) { 1895 trk->vosLen = enc->extradata_size; 1896 trk->vosData = av_malloc(trk->vosLen); 1897 memcpy(trk->vosData, enc->extradata, trk->vosLen); 1898 } 1899 1900 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { 1901 /* from x264 or from bytestream h264 */ 1902 /* nal reformating needed */ 1903 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); 1904 } else { 1905 put_buffer(pb, pkt->data, size); 1906 } 1907 1908 if ((enc->codec_id == CODEC_ID_DNXHD || 1909 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) { 1910 /* copy frame to create needed atoms */ 1911 trk->vosLen = size; 1912 trk->vosData = av_malloc(size); 1913 if (!trk->vosData) 1914 return AVERROR(ENOMEM); 1915 memcpy(trk->vosData, pkt->data, size); 1916 } 1917 1918 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) { 1919 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster)); 1920 if (!trk->cluster) 1921 return -1; 1922 } 1923 1924 trk->cluster[trk->entry].pos = url_ftell(pb) - size; 1925 trk->cluster[trk->entry].samplesInChunk = samplesInChunk; 1926 trk->cluster[trk->entry].size = size; 1927 trk->cluster[trk->entry].entries = samplesInChunk; 1928 trk->cluster[trk->entry].dts = pkt->dts; 1929 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration; 1930 1931 if (pkt->pts == AV_NOPTS_VALUE) { 1932 av_log(s, AV_LOG_WARNING, "pts has no value\n"); 1933 pkt->pts = pkt->dts; 1934 } 1935 if (pkt->dts != pkt->pts) 1936 trk->flags |= MOV_TRACK_CTTS; 1937 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; 1938 trk->cluster[trk->entry].flags = 0; 1939 if (pkt->flags & AV_PKT_FLAG_KEY) { 1940 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) { 1941 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); 1942 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE) 1943 trk->flags |= MOV_TRACK_STPS; 1944 } else { 1945 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; 1946 } 1947 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE) 1948 trk->hasKeyframes++; 1949 } 1950 trk->entry++; 1951 trk->sampleCount += samplesInChunk; 1952 mov->mdat_size += size; 1953 1954 put_flush_packet(pb); 1955 1956 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) 1957 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry); 1958 return 0; 1959} 1960 1961// QuickTime chapters involve an additional text track with the chapter names 1962// as samples, and a tref pointing from the other tracks to the chapter one. 1963static void mov_create_chapter_track(AVFormatContext *s, int tracknum) 1964{ 1965 MOVMuxContext *mov = s->priv_data; 1966 MOVTrack *track = &mov->tracks[tracknum]; 1967 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; 1968 int i, len; 1969 1970 track->mode = mov->mode; 1971 track->tag = MKTAG('t','e','x','t'); 1972 track->timescale = MOV_TIMESCALE; 1973 track->enc = avcodec_alloc_context(); 1974 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; 1975 1976 for (i = 0; i < s->nb_chapters; i++) { 1977 AVChapter *c = s->chapters[i]; 1978 AVMetadataTag *t; 1979 1980 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE}); 1981 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE}); 1982 pkt.duration = end - pkt.dts; 1983 1984 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) { 1985 len = strlen(t->value); 1986 pkt.size = len+2; 1987 pkt.data = av_malloc(pkt.size); 1988 AV_WB16(pkt.data, len); 1989 memcpy(pkt.data+2, t->value, len); 1990 ff_mov_write_packet(s, &pkt); 1991 av_freep(&pkt.data); 1992 } 1993 } 1994} 1995 1996static int mov_write_header(AVFormatContext *s) 1997{ 1998 ByteIOContext *pb = s->pb; 1999 MOVMuxContext *mov = s->priv_data; 2000 int i, hint_track = 0; 2001 2002 if (url_is_streamed(s->pb)) { 2003 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); 2004 return -1; 2005 } 2006 2007 /* Default mode == MP4 */ 2008 mov->mode = MODE_MP4; 2009 2010 if (s->oformat != NULL) { 2011 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; 2012 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; 2013 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; 2014 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; 2015 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; 2016 2017 mov_write_ftyp_tag(pb,s); 2018 if (mov->mode == MODE_PSP) { 2019 if (s->nb_streams != 2) { 2020 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n"); 2021 return -1; 2022 } 2023 mov_write_uuidprof_tag(pb,s); 2024 } 2025 } 2026 2027 mov->nb_streams = s->nb_streams; 2028 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters) 2029 mov->chapter_track = mov->nb_streams++; 2030 2031 if (s->flags & AVFMT_FLAG_RTP_HINT) { 2032 /* Add hint tracks for each audio and video stream */ 2033 hint_track = mov->nb_streams; 2034 for (i = 0; i < s->nb_streams; i++) { 2035 AVStream *st = s->streams[i]; 2036 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || 2037 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { 2038 mov->nb_streams++; 2039 } 2040 } 2041 } 2042 2043 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks)); 2044 if (!mov->tracks) 2045 return AVERROR(ENOMEM); 2046 2047 for(i=0; i<s->nb_streams; i++){ 2048 AVStream *st= s->streams[i]; 2049 MOVTrack *track= &mov->tracks[i]; 2050 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0); 2051 2052 track->enc = st->codec; 2053 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); 2054 if (track->language < 0) 2055 track->language = 0; 2056 track->mode = mov->mode; 2057 track->tag = mov_find_codec_tag(s, track); 2058 if (!track->tag) { 2059 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, " 2060 "codec not currently supported in container\n", i); 2061 goto error; 2062 } 2063 /* If hinting of this track is enabled by a later hint track, 2064 * this is updated. */ 2065 track->hint_track = -1; 2066 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){ 2067 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || 2068 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || 2069 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { 2070 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { 2071 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); 2072 goto error; 2073 } 2074 track->height = track->tag>>24 == 'n' ? 486 : 576; 2075 } 2076 track->timescale = st->codec->time_base.den; 2077 if (track->mode == MODE_MOV && track->timescale > 100000) 2078 av_log(s, AV_LOG_WARNING, 2079 "WARNING codec timebase is very high. If duration is too long,\n" 2080 "file may not be playable by quicktime. Specify a shorter timebase\n" 2081 "or choose different container.\n"); 2082 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){ 2083 track->timescale = st->codec->sample_rate; 2084 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { 2085 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i); 2086 goto error; 2087 }else if(st->codec->frame_size > 1){ /* assume compressed audio */ 2088 track->audio_vbr = 1; 2089 }else{ 2090 st->codec->frame_size = 1; 2091 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; 2092 } 2093 if (track->mode != MODE_MOV) { 2094 if (track->timescale > UINT16_MAX) { 2095 av_log(s, AV_LOG_ERROR, "track %d: output format does not support " 2096 "sample rate %dhz\n", i, track->timescale); 2097 goto error; 2098 } 2099 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) { 2100 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n", 2101 i, track->enc->sample_rate); 2102 goto error; 2103 } 2104 } 2105 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){ 2106 track->timescale = st->codec->time_base.den; 2107 } 2108 if (!track->height) 2109 track->height = st->codec->height; 2110 2111 av_set_pts_info(st, 64, 1, track->timescale); 2112 } 2113 2114 mov_write_mdat_tag(pb, mov); 2115 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based 2116 2117 if (mov->chapter_track) 2118 mov_create_chapter_track(s, mov->chapter_track); 2119 2120 if (s->flags & AVFMT_FLAG_RTP_HINT) { 2121 /* Initialize the hint tracks for each audio and video stream */ 2122 for (i = 0; i < s->nb_streams; i++) { 2123 AVStream *st = s->streams[i]; 2124 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || 2125 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { 2126 ff_mov_init_hinting(s, hint_track, i); 2127 hint_track++; 2128 } 2129 } 2130 } 2131 2132 put_flush_packet(pb); 2133 2134 return 0; 2135 error: 2136 av_freep(&mov->tracks); 2137 return -1; 2138} 2139 2140static int mov_write_trailer(AVFormatContext *s) 2141{ 2142 MOVMuxContext *mov = s->priv_data; 2143 ByteIOContext *pb = s->pb; 2144 int res = 0; 2145 int i; 2146 2147 int64_t moov_pos = url_ftell(pb); 2148 2149 /* Write size of mdat tag */ 2150 if (mov->mdat_size+8 <= UINT32_MAX) { 2151 url_fseek(pb, mov->mdat_pos, SEEK_SET); 2152 put_be32(pb, mov->mdat_size+8); 2153 } else { 2154 /* overwrite 'wide' placeholder atom */ 2155 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET); 2156 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ 2157 put_tag(pb, "mdat"); 2158 put_be64(pb, mov->mdat_size+16); 2159 } 2160 url_fseek(pb, moov_pos, SEEK_SET); 2161 2162 mov_write_moov_tag(pb, mov, s); 2163 2164 if (mov->chapter_track) 2165 av_freep(&mov->tracks[mov->chapter_track].enc); 2166 2167 for (i=0; i<mov->nb_streams; i++) { 2168 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) 2169 ff_mov_close_hinting(&mov->tracks[i]); 2170 av_freep(&mov->tracks[i].cluster); 2171 2172 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData); 2173 2174 } 2175 2176 put_flush_packet(pb); 2177 2178 av_freep(&mov->tracks); 2179 2180 return res; 2181} 2182 2183#if CONFIG_MOV_MUXER 2184AVOutputFormat mov_muxer = { 2185 "mov", 2186 NULL_IF_CONFIG_SMALL("MOV format"), 2187 NULL, 2188 "mov", 2189 sizeof(MOVMuxContext), 2190 CODEC_ID_AAC, 2191 CODEC_ID_MPEG4, 2192 mov_write_header, 2193 ff_mov_write_packet, 2194 mov_write_trailer, 2195 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, 2196 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0}, 2197}; 2198#endif 2199#if CONFIG_TGP_MUXER 2200AVOutputFormat tgp_muxer = { 2201 "3gp", 2202 NULL_IF_CONFIG_SMALL("3GP format"), 2203 NULL, 2204 "3gp", 2205 sizeof(MOVMuxContext), 2206 CODEC_ID_AMR_NB, 2207 CODEC_ID_H263, 2208 mov_write_header, 2209 ff_mov_write_packet, 2210 mov_write_trailer, 2211 .flags = AVFMT_GLOBALHEADER, 2212 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, 2213}; 2214#endif 2215#if CONFIG_MP4_MUXER 2216AVOutputFormat mp4_muxer = { 2217 "mp4", 2218 NULL_IF_CONFIG_SMALL("MP4 format"), 2219 "application/mp4", 2220 "mp4", 2221 sizeof(MOVMuxContext), 2222 CODEC_ID_AAC, 2223 CODEC_ID_MPEG4, 2224 mov_write_header, 2225 ff_mov_write_packet, 2226 mov_write_trailer, 2227 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, 2228 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 2229}; 2230#endif 2231#if CONFIG_PSP_MUXER 2232AVOutputFormat psp_muxer = { 2233 "psp", 2234 NULL_IF_CONFIG_SMALL("PSP MP4 format"), 2235 NULL, 2236 "mp4,psp", 2237 sizeof(MOVMuxContext), 2238 CODEC_ID_AAC, 2239 CODEC_ID_MPEG4, 2240 mov_write_header, 2241 ff_mov_write_packet, 2242 mov_write_trailer, 2243 .flags = AVFMT_GLOBALHEADER, 2244 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 2245}; 2246#endif 2247#if CONFIG_TG2_MUXER 2248AVOutputFormat tg2_muxer = { 2249 "3g2", 2250 NULL_IF_CONFIG_SMALL("3GP2 format"), 2251 NULL, 2252 "3g2", 2253 sizeof(MOVMuxContext), 2254 CODEC_ID_AMR_NB, 2255 CODEC_ID_H263, 2256 mov_write_header, 2257 ff_mov_write_packet, 2258 mov_write_trailer, 2259 .flags = AVFMT_GLOBALHEADER, 2260 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, 2261}; 2262#endif 2263#if CONFIG_IPOD_MUXER 2264AVOutputFormat ipod_muxer = { 2265 "ipod", 2266 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"), 2267 "application/mp4", 2268 "m4v,m4a", 2269 sizeof(MOVMuxContext), 2270 CODEC_ID_AAC, 2271 CODEC_ID_H264, 2272 mov_write_header, 2273 ff_mov_write_packet, 2274 mov_write_trailer, 2275 .flags = AVFMT_GLOBALHEADER, 2276 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0}, 2277}; 2278#endif 2279