1/* 2 * MOV, 3GP, MP4 muxer 3 * Copyright (c) 2003 Thomas Raivio 4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22#include "avformat.h" 23#include "riff.h" 24#include "avio.h" 25#include "isom.h" 26#include "avc.h" 27#include "libavcodec/bitstream.h" 28 29#undef NDEBUG 30#include <assert.h> 31 32#define MOV_INDEX_CLUSTER_SIZE 16384 33#define globalTimescale 1000 34 35#define MODE_MP4 0x01 36#define MODE_MOV 0x02 37#define MODE_3GP 0x04 38#define MODE_PSP 0x08 // example working PSP command line: 39// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4 40#define MODE_3G2 0x10 41#define MODE_IPOD 0x20 42 43typedef struct MOVIentry { 44 unsigned int flags, size; 45 uint64_t pos; 46 unsigned int samplesInChunk; 47 char key_frame; 48 unsigned int entries; 49 int64_t cts; 50 int64_t dts; 51} MOVIentry; 52 53typedef struct MOVIndex { 54 int mode; 55 int entry; 56 long timescale; 57 long time; 58 int64_t trackDuration; 59 long sampleCount; 60 long sampleSize; 61 int hasKeyframes; 62 int hasBframes; 63 int language; 64 int trackID; 65 int tag; ///< stsd fourcc 66 AVCodecContext *enc; 67 68 int vosLen; 69 uint8_t *vosData; 70 MOVIentry *cluster; 71 int audio_vbr; 72 int height; ///< active picture (w/o VBI) height for D-10/IMX 73} MOVTrack; 74 75typedef struct MOVMuxContext { 76 int mode; 77 int64_t time; 78 int nb_streams; 79 int64_t mdat_pos; 80 uint64_t mdat_size; 81 long timescale; 82 MOVTrack tracks[MAX_STREAMS]; 83} MOVMuxContext; 84 85//FIXME support 64 bit variant with wide placeholders 86static int64_t updateSize(ByteIOContext *pb, int64_t pos) 87{ 88 int64_t curpos = url_ftell(pb); 89 url_fseek(pb, pos, SEEK_SET); 90 put_be32(pb, curpos - pos); /* rewrite size */ 91 url_fseek(pb, curpos, SEEK_SET); 92 93 return curpos - pos; 94} 95 96/* Chunk offset atom */ 97static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track) 98{ 99 int i; 100 int mode64 = 0; // use 32 bit size variant if possible 101 int64_t pos = url_ftell(pb); 102 put_be32(pb, 0); /* size */ 103 if (pos > UINT32_MAX) { 104 mode64 = 1; 105 put_tag(pb, "co64"); 106 } else 107 put_tag(pb, "stco"); 108 put_be32(pb, 0); /* version & flags */ 109 put_be32(pb, track->entry); /* entry count */ 110 for (i=0; i<track->entry; i++) { 111 if(mode64 == 1) 112 put_be64(pb, track->cluster[i].pos); 113 else 114 put_be32(pb, track->cluster[i].pos); 115 } 116 return updateSize(pb, pos); 117} 118 119/* Sample size atom */ 120static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track) 121{ 122 int equalChunks = 1; 123 int i, j, entries = 0, tst = -1, oldtst = -1; 124 125 int64_t pos = url_ftell(pb); 126 put_be32(pb, 0); /* size */ 127 put_tag(pb, "stsz"); 128 put_be32(pb, 0); /* version & flags */ 129 130 for (i=0; i<track->entry; i++) { 131 tst = track->cluster[i].size/track->cluster[i].entries; 132 if(oldtst != -1 && tst != oldtst) { 133 equalChunks = 0; 134 } 135 oldtst = tst; 136 entries += track->cluster[i].entries; 137 } 138 if (equalChunks) { 139 int sSize = track->cluster[0].size/track->cluster[0].entries; 140 put_be32(pb, sSize); // sample size 141 put_be32(pb, entries); // sample count 142 } 143 else { 144 put_be32(pb, 0); // sample size 145 put_be32(pb, entries); // sample count 146 for (i=0; i<track->entry; i++) { 147 for (j=0; j<track->cluster[i].entries; j++) { 148 put_be32(pb, track->cluster[i].size / 149 track->cluster[i].entries); 150 } 151 } 152 } 153 return updateSize(pb, pos); 154} 155 156/* Sample to chunk atom */ 157static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track) 158{ 159 int index = 0, oldval = -1, i; 160 int64_t entryPos, curpos; 161 162 int64_t pos = url_ftell(pb); 163 put_be32(pb, 0); /* size */ 164 put_tag(pb, "stsc"); 165 put_be32(pb, 0); // version & flags 166 entryPos = url_ftell(pb); 167 put_be32(pb, track->entry); // entry count 168 for (i=0; i<track->entry; i++) { 169 if(oldval != track->cluster[i].samplesInChunk) 170 { 171 put_be32(pb, i+1); // first chunk 172 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk 173 put_be32(pb, 0x1); // sample description index 174 oldval = track->cluster[i].samplesInChunk; 175 index++; 176 } 177 } 178 curpos = url_ftell(pb); 179 url_fseek(pb, entryPos, SEEK_SET); 180 put_be32(pb, index); // rewrite size 181 url_fseek(pb, curpos, SEEK_SET); 182 183 return updateSize(pb, pos); 184} 185 186/* Sync sample atom */ 187static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track) 188{ 189 int64_t curpos, entryPos; 190 int i, index = 0; 191 int64_t pos = url_ftell(pb); 192 put_be32(pb, 0); // size 193 put_tag(pb, "stss"); 194 put_be32(pb, 0); // version & flags 195 entryPos = url_ftell(pb); 196 put_be32(pb, track->entry); // entry count 197 for (i=0; i<track->entry; i++) { 198 if(track->cluster[i].key_frame == 1) { 199 put_be32(pb, i+1); 200 index++; 201 } 202 } 203 curpos = url_ftell(pb); 204 url_fseek(pb, entryPos, SEEK_SET); 205 put_be32(pb, index); // rewrite size 206 url_fseek(pb, curpos, SEEK_SET); 207 return updateSize(pb, pos); 208} 209 210static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track) 211{ 212 put_be32(pb, 0x11); /* size */ 213 if (track->mode == MODE_MOV) put_tag(pb, "samr"); 214 else put_tag(pb, "damr"); 215 put_tag(pb, "FFMP"); 216 put_byte(pb, 0); /* decoder version */ 217 218 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ 219 put_byte(pb, 0x00); /* Mode change period (no restriction) */ 220 put_byte(pb, 0x01); /* Frames per sample */ 221 return 0x11; 222} 223 224static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track) 225{ 226 GetBitContext gbc; 227 PutBitContext pbc; 228 uint8_t buf[3]; 229 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod; 230 231 if (track->vosLen < 7) 232 return -1; 233 234 put_be32(pb, 11); 235 put_tag(pb, "dac3"); 236 237 init_get_bits(&gbc, track->vosData+4, track->vosLen-4); 238 fscod = get_bits(&gbc, 2); 239 frmsizecod = get_bits(&gbc, 6); 240 bsid = get_bits(&gbc, 5); 241 bsmod = get_bits(&gbc, 3); 242 acmod = get_bits(&gbc, 3); 243 if (acmod == 2) { 244 skip_bits(&gbc, 2); // dsurmod 245 } else { 246 if ((acmod & 1) && acmod != 1) 247 skip_bits(&gbc, 2); // cmixlev 248 if (acmod & 4) 249 skip_bits(&gbc, 2); // surmixlev 250 } 251 lfeon = get_bits1(&gbc); 252 253 init_put_bits(&pbc, buf, sizeof(buf)); 254 put_bits(&pbc, 2, fscod); 255 put_bits(&pbc, 5, bsid); 256 put_bits(&pbc, 3, bsmod); 257 put_bits(&pbc, 3, acmod); 258 put_bits(&pbc, 1, lfeon); 259 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code 260 put_bits(&pbc, 5, 0); // reserved 261 262 flush_put_bits(&pbc); 263 put_buffer(pb, buf, sizeof(buf)); 264 265 return 11; 266} 267 268/** 269 * This function writes extradata "as is". 270 * Extradata must be formated like a valid atom (with size and tag) 271 */ 272static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track) 273{ 274 put_buffer(pb, track->enc->extradata, track->enc->extradata_size); 275 return track->enc->extradata_size; 276} 277 278static int mov_write_enda_tag(ByteIOContext *pb) 279{ 280 put_be32(pb, 10); 281 put_tag(pb, "enda"); 282 put_be16(pb, 1); /* little endian */ 283 return 10; 284} 285 286static unsigned int descrLength(unsigned int len) 287{ 288 int i; 289 for(i=1; len>>(7*i); i++); 290 return len + 1 + i; 291} 292 293static void putDescr(ByteIOContext *pb, int tag, unsigned int size) 294{ 295 int i= descrLength(size) - size - 2; 296 put_byte(pb, tag); 297 for(; i>0; i--) 298 put_byte(pb, (size>>(7*i)) | 0x80); 299 put_byte(pb, size & 0x7F); 300} 301 302static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic 303{ 304 int64_t pos = url_ftell(pb); 305 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0; 306 307 put_be32(pb, 0); // size 308 put_tag(pb, "esds"); 309 put_be32(pb, 0); // Version 310 311 // ES descriptor 312 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) + 313 descrLength(1)); 314 put_be16(pb, track->trackID); 315 put_byte(pb, 0x00); // flags (= no flags) 316 317 // DecoderConfig descriptor 318 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); 319 320 // Object type indication 321 if ((track->enc->codec_id == CODEC_ID_MP2 || 322 track->enc->codec_id == CODEC_ID_MP3) && 323 track->enc->sample_rate > 24000) 324 put_byte(pb, 0x6B); // 11172-3 325 else 326 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); 327 328 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) 329 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) 330 if(track->enc->codec_type == CODEC_TYPE_AUDIO) 331 put_byte(pb, 0x15); // flags (= Audiostream) 332 else 333 put_byte(pb, 0x11); // flags (= Visualstream) 334 335 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits) 336 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB 337 338 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window) 339 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0) 340 put_be32(pb, 0); // vbr 341 else 342 put_be32(pb, track->enc->rc_max_rate); // avg bitrate 343 344 if (track->vosLen) { 345 // DecoderSpecific info descriptor 346 putDescr(pb, 0x05, track->vosLen); 347 put_buffer(pb, track->vosData, track->vosLen); 348 } 349 350 // SL descriptor 351 putDescr(pb, 0x06, 1); 352 put_byte(pb, 0x02); 353 return updateSize(pb, pos); 354} 355 356static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track) 357{ 358 int64_t pos = url_ftell(pb); 359 360 put_be32(pb, 0); /* size */ 361 put_tag(pb, "wave"); 362 363 put_be32(pb, 12); /* size */ 364 put_tag(pb, "frma"); 365 put_le32(pb, track->tag); 366 367 if (track->enc->codec_id == CODEC_ID_AAC) { 368 /* useless atom needed by mplayer, ipod, not needed by quicktime */ 369 put_be32(pb, 12); /* size */ 370 put_tag(pb, "mp4a"); 371 put_be32(pb, 0); 372 mov_write_esds_tag(pb, track); 373 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE || 374 track->enc->codec_id == CODEC_ID_PCM_S32LE) { 375 mov_write_enda_tag(pb); 376 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) { 377 mov_write_amr_tag(pb, track); 378 } else if (track->enc->codec_id == CODEC_ID_AC3) { 379 mov_write_ac3_tag(pb, track); 380 } else if (track->enc->codec_id == CODEC_ID_ALAC) { 381 mov_write_extradata_tag(pb, track); 382 } 383 384 put_be32(pb, 8); /* size */ 385 put_be32(pb, 0); /* null tag */ 386 387 return updateSize(pb, pos); 388} 389 390static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track) 391{ 392 put_be32(pb, track->vosLen+8); 393 put_tag(pb, "glbl"); 394 put_buffer(pb, track->vosData, track->vosLen); 395 return 8+track->vosLen; 396} 397 398static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track) 399{ 400 int64_t pos = url_ftell(pb); 401 int version = track->mode == MODE_MOV && 402 (track->audio_vbr || 403 track->enc->codec_id == CODEC_ID_PCM_S32LE || 404 track->enc->codec_id == CODEC_ID_PCM_S24LE); 405 406 put_be32(pb, 0); /* size */ 407 put_le32(pb, track->tag); // store it byteswapped 408 put_be32(pb, 0); /* Reserved */ 409 put_be16(pb, 0); /* Reserved */ 410 put_be16(pb, 1); /* Data-reference index, XXX == 1 */ 411 412 /* SoundDescription */ 413 put_be16(pb, version); /* Version */ 414 put_be16(pb, 0); /* Revision level */ 415 put_be32(pb, 0); /* Reserved */ 416 417 if (track->mode == MODE_MOV) { 418 put_be16(pb, track->enc->channels); 419 if (track->enc->codec_id == CODEC_ID_PCM_U8 || 420 track->enc->codec_id == CODEC_ID_PCM_S8) 421 put_be16(pb, 8); /* bits per sample */ 422 else 423 put_be16(pb, 16); 424 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ 425 } else { /* reserved for mp4/3gp */ 426 put_be16(pb, 2); 427 put_be16(pb, 16); 428 put_be16(pb, 0); 429 } 430 431 put_be16(pb, 0); /* packet size (= 0) */ 432 put_be16(pb, track->timescale); /* Time scale */ 433 put_be16(pb, 0); /* Reserved */ 434 435 if(version == 1) { /* SoundDescription V1 extended info */ 436 put_be32(pb, track->enc->frame_size); /* Samples per packet */ 437 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */ 438 put_be32(pb, track->sampleSize); /* Bytes per frame */ 439 put_be32(pb, 2); /* Bytes per sample */ 440 } 441 442 if(track->mode == MODE_MOV && 443 (track->enc->codec_id == CODEC_ID_AAC || 444 track->enc->codec_id == CODEC_ID_AC3 || 445 track->enc->codec_id == CODEC_ID_AMR_NB || 446 track->enc->codec_id == CODEC_ID_PCM_S24LE || 447 track->enc->codec_id == CODEC_ID_PCM_S32LE || 448 track->enc->codec_id == CODEC_ID_ALAC)) 449 mov_write_wave_tag(pb, track); 450 else if(track->tag == MKTAG('m','p','4','a')) 451 mov_write_esds_tag(pb, track); 452 else if(track->enc->codec_id == CODEC_ID_AMR_NB) 453 mov_write_amr_tag(pb, track); 454 else if(track->enc->codec_id == CODEC_ID_AC3) 455 mov_write_ac3_tag(pb, track); 456 else if(track->enc->codec_id == CODEC_ID_ALAC) 457 mov_write_extradata_tag(pb, track); 458 else if(track->vosLen > 0) 459 mov_write_glbl_tag(pb, track); 460 461 return updateSize(pb, pos); 462} 463 464static int mov_write_d263_tag(ByteIOContext *pb) 465{ 466 put_be32(pb, 0xf); /* size */ 467 put_tag(pb, "d263"); 468 put_tag(pb, "FFMP"); 469 put_byte(pb, 0); /* decoder version */ 470 /* FIXME use AVCodecContext level/profile, when encoder will set values */ 471 put_byte(pb, 0xa); /* level */ 472 put_byte(pb, 0); /* profile */ 473 return 0xf; 474} 475 476/* TODO: No idea about these values */ 477static int mov_write_svq3_tag(ByteIOContext *pb) 478{ 479 put_be32(pb, 0x15); 480 put_tag(pb, "SMI "); 481 put_tag(pb, "SEQH"); 482 put_be32(pb, 0x5); 483 put_be32(pb, 0xe2c0211d); 484 put_be32(pb, 0xc0000000); 485 put_byte(pb, 0); 486 return 0x15; 487} 488 489static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track) 490{ 491 int64_t pos = url_ftell(pb); 492 493 put_be32(pb, 0); 494 put_tag(pb, "avcC"); 495 ff_isom_write_avcc(pb, track->vosData, track->vosLen); 496 return updateSize(pb, pos); 497} 498 499/* also used by all avid codecs (dv, imx, meridien) and their variants */ 500static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track) 501{ 502 int i; 503 put_be32(pb, 24); /* size */ 504 put_tag(pb, "ACLR"); 505 put_tag(pb, "ACLR"); 506 put_tag(pb, "0001"); 507 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */ 508 put_be32(pb, 0); /* unknown */ 509 510 put_be32(pb, 24); /* size */ 511 put_tag(pb, "APRG"); 512 put_tag(pb, "APRG"); 513 put_tag(pb, "0001"); 514 put_be32(pb, 1); /* unknown */ 515 put_be32(pb, 0); /* unknown */ 516 517 put_be32(pb, 120); /* size */ 518 put_tag(pb, "ARES"); 519 put_tag(pb, "ARES"); 520 put_tag(pb, "0001"); 521 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */ 522 put_be32(pb, track->enc->width); 523 /* values below are based on samples created with quicktime and avid codecs */ 524 if (track->vosData[5] & 2) { // interlaced 525 put_be32(pb, track->enc->height/2); 526 put_be32(pb, 2); /* unknown */ 527 put_be32(pb, 0); /* unknown */ 528 put_be32(pb, 4); /* unknown */ 529 } else { 530 put_be32(pb, track->enc->height); 531 put_be32(pb, 1); /* unknown */ 532 put_be32(pb, 0); /* unknown */ 533 if (track->enc->height == 1080) 534 put_be32(pb, 5); /* unknown */ 535 else 536 put_be32(pb, 6); /* unknown */ 537 } 538 /* padding */ 539 for (i = 0; i < 10; i++) 540 put_be64(pb, 0); 541 542 /* extra padding for stsd needed */ 543 put_be32(pb, 0); 544 return 0; 545} 546 547static const AVCodecTag codec_3gp_tags[] = { 548 { CODEC_ID_H263, MKTAG('s','2','6','3') }, 549 { CODEC_ID_H264, MKTAG('a','v','c','1') }, 550 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, 551 { CODEC_ID_AAC, MKTAG('m','p','4','a') }, 552 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, 553 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, 554 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, 555 { CODEC_ID_NONE, 0 }, 556}; 557 558static const AVCodecTag mov_pix_fmt_tags[] = { 559 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') }, 560 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') }, 561 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') }, 562 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') }, 563 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') }, 564}; 565 566static const AVCodecTag codec_ipod_tags[] = { 567 { CODEC_ID_H264, MKTAG('a','v','c','1') }, 568 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, 569 { CODEC_ID_AAC, MKTAG('m','p','4','a') }, 570 { CODEC_ID_ALAC, MKTAG('a','l','a','c') }, 571 { CODEC_ID_AC3, MKTAG('a','c','-','3') }, 572 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, 573 { CODEC_ID_NONE, 0 }, 574}; 575 576static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) 577{ 578 int tag = track->enc->codec_tag; 579 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) { 580 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)) 581 return 0; 582 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1'); 583 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); 584 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); 585 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); 586 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); 587 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); 588 } else if (track->mode == MODE_IPOD) { 589 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id); 590 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v")) 591 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v " 592 "Quicktime/Ipod might not play the file\n"); 593 } else if (track->mode & MODE_3GP) { 594 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id); 595 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL && 596 (tag == MKTAG('d','v','c','p') || 597 track->enc->codec_id == CODEC_ID_RAWVIDEO))) { 598 if (track->enc->codec_id == CODEC_ID_DVVIDEO) { 599 if (track->enc->height == 480) /* NTSC */ 600 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); 601 else tag = MKTAG('d','v','c',' '); 602 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); 603 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); 604 else tag = MKTAG('d','v','p','p'); 605 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) { 606 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt); 607 if (!tag) // restore tag 608 tag = track->enc->codec_tag; 609 } else { 610 if (track->enc->codec_type == CODEC_TYPE_VIDEO) { 611 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id); 612 if (!tag) { // if no mac fcc found, try with Microsoft tags 613 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id); 614 if (tag) 615 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, " 616 "the file may be unplayable!\n"); 617 } 618 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) { 619 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id); 620 if (!tag) { // if no mac fcc found, try with Microsoft tags 621 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id); 622 if (ms_tag) { 623 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); 624 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, " 625 "the file may be unplayable!\n"); 626 } 627 } 628 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) { 629 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); 630 } 631 } 632 } 633 return tag; 634} 635 636/** Write uuid atom. 637 * Needed to make file play in iPods running newest firmware 638 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1 639 */ 640static int mov_write_uuid_tag_ipod(ByteIOContext *pb) 641{ 642 put_be32(pb, 28); 643 put_tag(pb, "uuid"); 644 put_be32(pb, 0x6b6840f2); 645 put_be32(pb, 0x5f244fc5); 646 put_be32(pb, 0xba39a51b); 647 put_be32(pb, 0xcf0323f3); 648 put_be32(pb, 0x0); 649 return 28; 650} 651 652static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track) 653{ 654 int64_t pos = url_ftell(pb); 655 put_be32(pb, 0); /* size */ 656 put_le32(pb, track->tag); // store it byteswapped 657 put_be32(pb, 0); /* Reserved */ 658 put_be16(pb, 0); /* Reserved */ 659 put_be16(pb, 1); /* Data-reference index */ 660 661 if (track->enc->extradata_size) 662 put_buffer(pb, track->enc->extradata, track->enc->extradata_size); 663 664 return updateSize(pb, pos); 665} 666 667static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track) 668{ 669 int64_t pos = url_ftell(pb); 670 char compressor_name[32]; 671 672 put_be32(pb, 0); /* size */ 673 put_le32(pb, track->tag); // store it byteswapped 674 put_be32(pb, 0); /* Reserved */ 675 put_be16(pb, 0); /* Reserved */ 676 put_be16(pb, 1); /* Data-reference index */ 677 678 put_be16(pb, 0); /* Codec stream version */ 679 put_be16(pb, 0); /* Codec stream revision (=0) */ 680 if (track->mode == MODE_MOV) { 681 put_tag(pb, "FFMP"); /* Vendor */ 682 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) { 683 put_be32(pb, 0); /* Temporal Quality */ 684 put_be32(pb, 0x400); /* Spatial Quality = lossless*/ 685 } else { 686 put_be32(pb, 0x200); /* Temporal Quality = normal */ 687 put_be32(pb, 0x200); /* Spatial Quality = normal */ 688 } 689 } else { 690 put_be32(pb, 0); /* Reserved */ 691 put_be32(pb, 0); /* Reserved */ 692 put_be32(pb, 0); /* Reserved */ 693 } 694 put_be16(pb, track->enc->width); /* Video width */ 695 put_be16(pb, track->height); /* Video height */ 696 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */ 697 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */ 698 put_be32(pb, 0); /* Data size (= 0) */ 699 put_be16(pb, 1); /* Frame count (= 1) */ 700 701 memset(compressor_name,0,32); 702 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */ 703 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) 704 strncpy(compressor_name,track->enc->codec->name,31); 705 put_byte(pb, strlen(compressor_name)); 706 put_buffer(pb, compressor_name, 31); 707 708 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample) 709 put_be16(pb, track->enc->bits_per_coded_sample); 710 else 711 put_be16(pb, 0x18); /* Reserved */ 712 put_be16(pb, 0xffff); /* Reserved */ 713 if(track->tag == MKTAG('m','p','4','v')) 714 mov_write_esds_tag(pb, track); 715 else if(track->enc->codec_id == CODEC_ID_H263) 716 mov_write_d263_tag(pb); 717 else if(track->enc->codec_id == CODEC_ID_SVQ3) 718 mov_write_svq3_tag(pb); 719 else if(track->enc->codec_id == CODEC_ID_DNXHD) 720 mov_write_avid_tag(pb, track); 721 else if(track->enc->codec_id == CODEC_ID_H264) { 722 mov_write_avcc_tag(pb, track); 723 if(track->mode == MODE_IPOD) 724 mov_write_uuid_tag_ipod(pb); 725 } else if(track->vosLen > 0) 726 mov_write_glbl_tag(pb, track); 727 728 return updateSize(pb, pos); 729} 730 731static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track) 732{ 733 int64_t pos = url_ftell(pb); 734 put_be32(pb, 0); /* size */ 735 put_tag(pb, "stsd"); 736 put_be32(pb, 0); /* version & flags */ 737 put_be32(pb, 1); /* entry count */ 738 if (track->enc->codec_type == CODEC_TYPE_VIDEO) 739 mov_write_video_tag(pb, track); 740 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) 741 mov_write_audio_tag(pb, track); 742 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) 743 mov_write_subtitle_tag(pb, track); 744 return updateSize(pb, pos); 745} 746 747static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track) 748{ 749 MOVStts *ctts_entries; 750 uint32_t entries = 0; 751 uint32_t atom_size; 752 int i; 753 754 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ 755 ctts_entries[0].count = 1; 756 ctts_entries[0].duration = track->cluster[0].cts; 757 for (i=1; i<track->entry; i++) { 758 if (track->cluster[i].cts == ctts_entries[entries].duration) { 759 ctts_entries[entries].count++; /* compress */ 760 } else { 761 entries++; 762 ctts_entries[entries].duration = track->cluster[i].cts; 763 ctts_entries[entries].count = 1; 764 } 765 } 766 entries++; /* last one */ 767 atom_size = 16 + (entries * 8); 768 put_be32(pb, atom_size); /* size */ 769 put_tag(pb, "ctts"); 770 put_be32(pb, 0); /* version & flags */ 771 put_be32(pb, entries); /* entry count */ 772 for (i=0; i<entries; i++) { 773 put_be32(pb, ctts_entries[i].count); 774 put_be32(pb, ctts_entries[i].duration); 775 } 776 av_free(ctts_entries); 777 return atom_size; 778} 779 780/* Time to sample atom */ 781static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track) 782{ 783 MOVStts *stts_entries; 784 uint32_t entries = -1; 785 uint32_t atom_size; 786 int i; 787 788 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) { 789 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ 790 stts_entries[0].count = track->sampleCount; 791 stts_entries[0].duration = 1; 792 entries = 1; 793 } else { 794 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */ 795 for (i=0; i<track->entry; i++) { 796 int64_t duration = i + 1 == track->entry ? 797 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */ 798 track->cluster[i+1].dts - track->cluster[i].dts; 799 if (i && duration == stts_entries[entries].duration) { 800 stts_entries[entries].count++; /* compress */ 801 } else { 802 entries++; 803 stts_entries[entries].duration = duration; 804 stts_entries[entries].count = 1; 805 } 806 } 807 entries++; /* last one */ 808 } 809 atom_size = 16 + (entries * 8); 810 put_be32(pb, atom_size); /* size */ 811 put_tag(pb, "stts"); 812 put_be32(pb, 0); /* version & flags */ 813 put_be32(pb, entries); /* entry count */ 814 for (i=0; i<entries; i++) { 815 put_be32(pb, stts_entries[i].count); 816 put_be32(pb, stts_entries[i].duration); 817 } 818 av_free(stts_entries); 819 return atom_size; 820} 821 822static int mov_write_dref_tag(ByteIOContext *pb) 823{ 824 put_be32(pb, 28); /* size */ 825 put_tag(pb, "dref"); 826 put_be32(pb, 0); /* version & flags */ 827 put_be32(pb, 1); /* entry count */ 828 829 put_be32(pb, 0xc); /* size */ 830 put_tag(pb, "url "); 831 put_be32(pb, 1); /* version & flags */ 832 833 return 28; 834} 835 836static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track) 837{ 838 int64_t pos = url_ftell(pb); 839 put_be32(pb, 0); /* size */ 840 put_tag(pb, "stbl"); 841 mov_write_stsd_tag(pb, track); 842 mov_write_stts_tag(pb, track); 843 if (track->enc->codec_type == CODEC_TYPE_VIDEO && 844 track->hasKeyframes && track->hasKeyframes < track->entry) 845 mov_write_stss_tag(pb, track); 846 if (track->enc->codec_type == CODEC_TYPE_VIDEO && 847 track->hasBframes) 848 mov_write_ctts_tag(pb, track); 849 mov_write_stsc_tag(pb, track); 850 mov_write_stsz_tag(pb, track); 851 mov_write_stco_tag(pb, track); 852 return updateSize(pb, pos); 853} 854 855static int mov_write_dinf_tag(ByteIOContext *pb) 856{ 857 int64_t pos = url_ftell(pb); 858 put_be32(pb, 0); /* size */ 859 put_tag(pb, "dinf"); 860 mov_write_dref_tag(pb); 861 return updateSize(pb, pos); 862} 863 864static int mov_write_nmhd_tag(ByteIOContext *pb) 865{ 866 put_be32(pb, 12); 867 put_tag(pb, "nmhd"); 868 put_be32(pb, 0); 869 return 12; 870} 871 872static int mov_write_gmhd_tag(ByteIOContext *pb) 873{ 874 put_be32(pb, 0x20); /* size */ 875 put_tag(pb, "gmhd"); 876 put_be32(pb, 0x18); /* gmin size */ 877 put_tag(pb, "gmin"); /* generic media info */ 878 put_be32(pb, 0); /* version & flags */ 879 put_be16(pb, 0x40); /* graphics mode = */ 880 put_be16(pb, 0x8000); /* opColor (r?) */ 881 put_be16(pb, 0x8000); /* opColor (g?) */ 882 put_be16(pb, 0x8000); /* opColor (b?) */ 883 put_be16(pb, 0); /* balance */ 884 put_be16(pb, 0); /* reserved */ 885 return 0x20; 886} 887 888static int mov_write_smhd_tag(ByteIOContext *pb) 889{ 890 put_be32(pb, 16); /* size */ 891 put_tag(pb, "smhd"); 892 put_be32(pb, 0); /* version & flags */ 893 put_be16(pb, 0); /* reserved (balance, normally = 0) */ 894 put_be16(pb, 0); /* reserved */ 895 return 16; 896} 897 898static int mov_write_vmhd_tag(ByteIOContext *pb) 899{ 900 put_be32(pb, 0x14); /* size (always 0x14) */ 901 put_tag(pb, "vmhd"); 902 put_be32(pb, 0x01); /* version & flags */ 903 put_be64(pb, 0); /* reserved (graphics mode = copy) */ 904 return 0x14; 905} 906 907static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track) 908{ 909 const char *hdlr, *descr = NULL, *hdlr_type = NULL; 910 int64_t pos = url_ftell(pb); 911 912 if (!track) { /* no media --> data handler */ 913 hdlr = "dhlr"; 914 hdlr_type = "url "; 915 descr = "DataHandler"; 916 } else { 917 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; 918 if (track->enc->codec_type == CODEC_TYPE_VIDEO) { 919 hdlr_type = "vide"; 920 descr = "VideoHandler"; 921 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) { 922 hdlr_type = "soun"; 923 descr = "SoundHandler"; 924 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) { 925 if (track->mode == MODE_IPOD) hdlr_type = "sbtl"; 926 else hdlr_type = "text"; 927 descr = "SubtitleHandler"; 928 } 929 } 930 931 put_be32(pb, 0); /* size */ 932 put_tag(pb, "hdlr"); 933 put_be32(pb, 0); /* Version & flags */ 934 put_buffer(pb, hdlr, 4); /* handler */ 935 put_tag(pb, hdlr_type); /* handler type */ 936 put_be32(pb ,0); /* reserved */ 937 put_be32(pb ,0); /* reserved */ 938 put_be32(pb ,0); /* reserved */ 939 put_byte(pb, strlen(descr)); /* string counter */ 940 put_buffer(pb, descr, strlen(descr)); /* handler description */ 941 return updateSize(pb, pos); 942} 943 944static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track) 945{ 946 int64_t pos = url_ftell(pb); 947 put_be32(pb, 0); /* size */ 948 put_tag(pb, "minf"); 949 if(track->enc->codec_type == CODEC_TYPE_VIDEO) 950 mov_write_vmhd_tag(pb); 951 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) 952 mov_write_smhd_tag(pb); 953 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) { 954 if (track->mode == MODE_MOV) mov_write_gmhd_tag(pb); 955 else mov_write_nmhd_tag(pb); 956 } 957 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ 958 mov_write_hdlr_tag(pb, NULL); 959 mov_write_dinf_tag(pb); 960 mov_write_stbl_tag(pb, track); 961 return updateSize(pb, pos); 962} 963 964static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track) 965{ 966 int version = track->trackDuration < INT32_MAX ? 0 : 1; 967 968 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */ 969 put_tag(pb, "mdhd"); 970 put_byte(pb, version); 971 put_be24(pb, 0); /* flags */ 972 if (version == 1) { 973 put_be64(pb, track->time); 974 put_be64(pb, track->time); 975 } else { 976 put_be32(pb, track->time); /* creation time */ 977 put_be32(pb, track->time); /* modification time */ 978 } 979 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */ 980 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */ 981 put_be16(pb, track->language); /* language */ 982 put_be16(pb, 0); /* reserved (quality) */ 983 984 if(version!=0 && track->mode == MODE_MOV){ 985 av_log(NULL, AV_LOG_ERROR, 986 "FATAL error, file duration too long for timebase, this file will not be\n" 987 "playable with quicktime. Choose a different timebase or a different\n" 988 "container format\n"); 989 } 990 991 return 32; 992} 993 994static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track) 995{ 996 int64_t pos = url_ftell(pb); 997 put_be32(pb, 0); /* size */ 998 put_tag(pb, "mdia"); 999 mov_write_mdhd_tag(pb, track); 1000 mov_write_hdlr_tag(pb, track); 1001 mov_write_minf_tag(pb, track); 1002 return updateSize(pb, pos); 1003} 1004 1005static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) 1006{ 1007 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP); 1008 int version = duration < INT32_MAX ? 0 : 1; 1009 1010 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */ 1011 put_tag(pb, "tkhd"); 1012 put_byte(pb, version); 1013 put_be24(pb, 0xf); /* flags (track enabled) */ 1014 if (version == 1) { 1015 put_be64(pb, track->time); 1016 put_be64(pb, track->time); 1017 } else { 1018 put_be32(pb, track->time); /* creation time */ 1019 put_be32(pb, track->time); /* modification time */ 1020 } 1021 put_be32(pb, track->trackID); /* track-id */ 1022 put_be32(pb, 0); /* reserved */ 1023 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration); 1024 1025 put_be32(pb, 0); /* reserved */ 1026 put_be32(pb, 0); /* reserved */ 1027 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */ 1028 /* Volume, only for audio */ 1029 if(track->enc->codec_type == CODEC_TYPE_AUDIO) 1030 put_be16(pb, 0x0100); 1031 else 1032 put_be16(pb, 0); 1033 put_be16(pb, 0); /* reserved */ 1034 1035 /* Matrix structure */ 1036 put_be32(pb, 0x00010000); /* reserved */ 1037 put_be32(pb, 0x0); /* reserved */ 1038 put_be32(pb, 0x0); /* reserved */ 1039 put_be32(pb, 0x0); /* reserved */ 1040 put_be32(pb, 0x00010000); /* reserved */ 1041 put_be32(pb, 0x0); /* reserved */ 1042 put_be32(pb, 0x0); /* reserved */ 1043 put_be32(pb, 0x0); /* reserved */ 1044 put_be32(pb, 0x40000000); /* reserved */ 1045 1046 /* Track width and height, for visual only */ 1047 if(track->enc->codec_type == CODEC_TYPE_VIDEO || 1048 track->enc->codec_type == CODEC_TYPE_SUBTITLE) { 1049 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); 1050 if(!sample_aspect_ratio || track->height != track->enc->height) 1051 sample_aspect_ratio = 1; 1052 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000); 1053 put_be32(pb, track->height*0x10000); 1054 } 1055 else { 1056 put_be32(pb, 0); 1057 put_be32(pb, 0); 1058 } 1059 return 0x5c; 1060} 1061 1062// This box seems important for the psp playback ... without it the movie seems to hang 1063static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track) 1064{ 1065 put_be32(pb, 0x24); /* size */ 1066 put_tag(pb, "edts"); 1067 put_be32(pb, 0x1c); /* size */ 1068 put_tag(pb, "elst"); 1069 put_be32(pb, 0x0); 1070 put_be32(pb, 0x1); 1071 1072 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */ 1073 1074 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */ 1075 put_be32(pb, 0x00010000); 1076 return 0x24; 1077} 1078 1079// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it) 1080static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov) 1081{ 1082 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */ 1083 put_tag(pb, "uuid"); 1084 put_tag(pb, "USMT"); 1085 put_be32(pb, 0x21d24fce); 1086 put_be32(pb, 0xbb88695c); 1087 put_be32(pb, 0xfac9c740); 1088 put_be32(pb, 0x1c); // another size here! 1089 put_tag(pb, "MTDT"); 1090 put_be32(pb, 0x00010012); 1091 put_be32(pb, 0x0a); 1092 put_be32(pb, 0x55c40000); 1093 put_be32(pb, 0x1); 1094 put_be32(pb, 0x0); 1095 return 0x34; 1096} 1097 1098static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) 1099{ 1100 int64_t pos = url_ftell(pb); 1101 put_be32(pb, 0); /* size */ 1102 put_tag(pb, "trak"); 1103 mov_write_tkhd_tag(pb, track, st); 1104 if (track->mode == MODE_PSP || track->hasBframes) 1105 mov_write_edts_tag(pb, track); // PSP Movies require edts box 1106 mov_write_mdia_tag(pb, track); 1107 if (track->mode == MODE_PSP) 1108 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box 1109 return updateSize(pb, pos); 1110} 1111 1112#if 0 1113/* TODO: Not sorted out, but not necessary either */ 1114static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov) 1115{ 1116 put_be32(pb, 0x15); /* size */ 1117 put_tag(pb, "iods"); 1118 put_be32(pb, 0); /* version & flags */ 1119 put_be16(pb, 0x1007); 1120 put_byte(pb, 0); 1121 put_be16(pb, 0x4fff); 1122 put_be16(pb, 0xfffe); 1123 put_be16(pb, 0x01ff); 1124 return 0x15; 1125} 1126#endif 1127 1128static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov) 1129{ 1130 int maxTrackID = 1, i; 1131 int64_t maxTrackLenTemp, maxTrackLen = 0; 1132 int version; 1133 1134 for (i=0; i<mov->nb_streams; i++) { 1135 if(mov->tracks[i].entry > 0) { 1136 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP); 1137 if(maxTrackLen < maxTrackLenTemp) 1138 maxTrackLen = maxTrackLenTemp; 1139 if(maxTrackID < mov->tracks[i].trackID) 1140 maxTrackID = mov->tracks[i].trackID; 1141 } 1142 } 1143 1144 version = maxTrackLen < UINT32_MAX ? 0 : 1; 1145 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */ 1146 put_tag(pb, "mvhd"); 1147 put_byte(pb, version); 1148 put_be24(pb, 0); /* flags */ 1149 if (version == 1) { 1150 put_be64(pb, mov->time); 1151 put_be64(pb, mov->time); 1152 } else { 1153 put_be32(pb, mov->time); /* creation time */ 1154 put_be32(pb, mov->time); /* modification time */ 1155 } 1156 put_be32(pb, mov->timescale); /* timescale */ 1157 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */ 1158 1159 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ 1160 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ 1161 put_be16(pb, 0); /* reserved */ 1162 put_be32(pb, 0); /* reserved */ 1163 put_be32(pb, 0); /* reserved */ 1164 1165 /* Matrix structure */ 1166 put_be32(pb, 0x00010000); /* reserved */ 1167 put_be32(pb, 0x0); /* reserved */ 1168 put_be32(pb, 0x0); /* reserved */ 1169 put_be32(pb, 0x0); /* reserved */ 1170 put_be32(pb, 0x00010000); /* reserved */ 1171 put_be32(pb, 0x0); /* reserved */ 1172 put_be32(pb, 0x0); /* reserved */ 1173 put_be32(pb, 0x0); /* reserved */ 1174 put_be32(pb, 0x40000000); /* reserved */ 1175 1176 put_be32(pb, 0); /* reserved (preview time) */ 1177 put_be32(pb, 0); /* reserved (preview duration) */ 1178 put_be32(pb, 0); /* reserved (poster time) */ 1179 put_be32(pb, 0); /* reserved (selection time) */ 1180 put_be32(pb, 0); /* reserved (selection duration) */ 1181 put_be32(pb, 0); /* reserved (current time) */ 1182 put_be32(pb, maxTrackID+1); /* Next track id */ 1183 return 0x6c; 1184} 1185 1186static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov, 1187 AVFormatContext *s) 1188{ 1189 int64_t pos = url_ftell(pb); 1190 put_be32(pb, 0); /* size */ 1191 put_tag(pb, "hdlr"); 1192 put_be32(pb, 0); 1193 put_be32(pb, 0); 1194 put_tag(pb, "mdir"); 1195 put_tag(pb, "appl"); 1196 put_be32(pb, 0); 1197 put_be32(pb, 0); 1198 put_be16(pb, 0); 1199 return updateSize(pb, pos); 1200} 1201 1202/* helper function to write a data tag with the specified string as data */ 1203static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style) 1204{ 1205 if(long_style){ 1206 int64_t pos = url_ftell(pb); 1207 put_be32(pb, 0); /* size */ 1208 put_tag(pb, "data"); 1209 put_be32(pb, 1); 1210 put_be32(pb, 0); 1211 put_buffer(pb, data, strlen(data)); 1212 return updateSize(pb, pos); 1213 }else{ 1214 put_be16(pb, strlen(data)); /* string length */ 1215 put_be16(pb, lang); 1216 put_buffer(pb, data, strlen(data)); 1217 return strlen(data) + 4; 1218 } 1219} 1220 1221static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){ 1222 int size = 0; 1223 if (value && value[0]) { 1224 int64_t pos = url_ftell(pb); 1225 put_be32(pb, 0); /* size */ 1226 put_tag(pb, name); 1227 mov_write_string_data_tag(pb, value, lang, long_style); 1228 size= updateSize(pb, pos); 1229 } 1230 return size; 1231} 1232 1233static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb, 1234 const char *name, const char *tag, 1235 int long_style) 1236{ 1237 int l, lang = 0, len, len2; 1238 AVMetadataTag *t, *t2 = NULL; 1239 char tag2[16]; 1240 1241 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0))) 1242 return 0; 1243 1244 len = strlen(t->key); 1245 snprintf(tag2, sizeof(tag2), "%s-", tag); 1246 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) { 1247 len2 = strlen(t2->key); 1248 if (len2 == len+4 && !strcmp(t->value, t2->value) 1249 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 0)) >= 0) { 1250 lang = l; 1251 break; 1252 } 1253 } 1254 return mov_write_string_tag(pb, name, t->value, lang, long_style); 1255} 1256 1257/* iTunes track number */ 1258static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov, 1259 AVFormatContext *s) 1260{ 1261 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0); 1262 int size = 0, track = t ? atoi(t->value) : 0; 1263 if (track) { 1264 int64_t pos = url_ftell(pb); 1265 put_be32(pb, 0); /* size */ 1266 put_tag(pb, "trkn"); 1267 { 1268 int64_t pos = url_ftell(pb); 1269 put_be32(pb, 0); /* size */ 1270 put_tag(pb, "data"); 1271 put_be32(pb, 0); // 8 bytes empty 1272 put_be32(pb, 0); 1273 put_be16(pb, 0); // empty 1274 put_be16(pb, track); // track number 1275 put_be16(pb, 0); // total track number 1276 put_be16(pb, 0); // empty 1277 updateSize(pb, pos); 1278 } 1279 size = updateSize(pb, pos); 1280 } 1281 return size; 1282} 1283 1284/* iTunes meta data list */ 1285static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov, 1286 AVFormatContext *s) 1287{ 1288 int64_t pos = url_ftell(pb); 1289 put_be32(pb, 0); /* size */ 1290 put_tag(pb, "ilst"); 1291 mov_write_string_metadata(s, pb, "\251nam", "title" , 1); 1292 mov_write_string_metadata(s, pb, "\251ART", "author" , 1); 1293 mov_write_string_metadata(s, pb, "\251wrt", "author" , 1); 1294 mov_write_string_metadata(s, pb, "\251alb", "album" , 1); 1295 mov_write_string_metadata(s, pb, "\251day", "year" , 1); 1296 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); 1297 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); 1298 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); 1299 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); 1300 mov_write_trkn_tag(pb, mov, s); 1301 return updateSize(pb, pos); 1302} 1303 1304/* iTunes meta data tag */ 1305static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov, 1306 AVFormatContext *s) 1307{ 1308 int size = 0; 1309 int64_t pos = url_ftell(pb); 1310 put_be32(pb, 0); /* size */ 1311 put_tag(pb, "meta"); 1312 put_be32(pb, 0); 1313 mov_write_itunes_hdlr_tag(pb, mov, s); 1314 mov_write_ilst_tag(pb, mov, s); 1315 size = updateSize(pb, pos); 1316 return size; 1317} 1318 1319static int utf8len(const uint8_t *b) 1320{ 1321 int len=0; 1322 int val; 1323 while(*b){ 1324 GET_UTF8(val, *b++, return -1;) 1325 len++; 1326 } 1327 return len; 1328} 1329 1330static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b) 1331{ 1332 int val; 1333 while(*b){ 1334 GET_UTF8(val, *b++, return -1;) 1335 put_be16(pb, val); 1336 } 1337 put_be16(pb, 0x00); 1338 return 0; 1339} 1340 1341static uint16_t language_code(const char *str) 1342{ 1343 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F); 1344} 1345 1346static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s, 1347 const char *tag, const char *str) 1348{ 1349 int64_t pos = url_ftell(pb); 1350 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0); 1351 if (!t || !utf8len(t->value)) 1352 return 0; 1353 put_be32(pb, 0); /* size */ 1354 put_tag (pb, tag); /* type */ 1355 put_be32(pb, 0); /* version + flags */ 1356 if (!strcmp(tag, "yrrc")) 1357 put_be16(pb, atoi(t->value)); 1358 else { 1359 put_be16(pb, language_code("eng")); /* language */ 1360 ascii_to_wc(pb, t->value); 1361 if (!strcmp(tag, "albm") && 1362 (t = av_metadata_get(s->metadata, "year", NULL, 0))) 1363 put_byte(pb, atoi(t->value)); 1364 } 1365 return updateSize(pb, pos); 1366} 1367 1368static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov, 1369 AVFormatContext *s) 1370{ 1371 ByteIOContext *pb_buf; 1372 int i, ret, size; 1373 uint8_t *buf; 1374 1375 for (i = 0; i < s->nb_streams; i++) 1376 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) { 1377 return 0; 1378 } 1379 1380 ret = url_open_dyn_buf(&pb_buf); 1381 if(ret < 0) 1382 return ret; 1383 1384 if (mov->mode & MODE_3GP) { 1385 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); 1386 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); 1387 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); 1388 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); 1389 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); 1390 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); 1391 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year"); 1392 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 1393 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0); 1394 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0); 1395 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0); 1396 mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0); 1397 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0); 1398 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0); 1399 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0); 1400 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0); 1401 } else { 1402 /* iTunes meta data */ 1403 mov_write_meta_tag(pb_buf, mov, s); 1404 } 1405 1406 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) { 1407 put_be32(pb, size+8); 1408 put_tag(pb, "udta"); 1409 put_buffer(pb, buf, size); 1410 av_free(buf); 1411 } 1412 1413 return 0; 1414} 1415 1416static void mov_write_psp_udta_tag(ByteIOContext *pb, 1417 const char *str, const char *lang, int type) 1418{ 1419 int len = utf8len(str)+1; 1420 if(len<=0) 1421 return; 1422 put_be16(pb, len*2+10); /* size */ 1423 put_be32(pb, type); /* type */ 1424 put_be16(pb, language_code(lang)); /* language */ 1425 put_be16(pb, 0x01); /* ? */ 1426 ascii_to_wc(pb, str); 1427} 1428 1429static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s) 1430{ 1431 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0); 1432 int64_t pos, pos2; 1433 1434 if (title) { 1435 pos = url_ftell(pb); 1436 put_be32(pb, 0); /* size placeholder*/ 1437 put_tag(pb, "uuid"); 1438 put_tag(pb, "USMT"); 1439 put_be32(pb, 0x21d24fce); /* 96 bit UUID */ 1440 put_be32(pb, 0xbb88695c); 1441 put_be32(pb, 0xfac9c740); 1442 1443 pos2 = url_ftell(pb); 1444 put_be32(pb, 0); /* size placeholder*/ 1445 put_tag(pb, "MTDT"); 1446 put_be16(pb, 4); 1447 1448 // ? 1449 put_be16(pb, 0x0C); /* size */ 1450 put_be32(pb, 0x0B); /* type */ 1451 put_be16(pb, language_code("und")); /* language */ 1452 put_be16(pb, 0x0); /* ? */ 1453 put_be16(pb, 0x021C); /* data */ 1454 1455 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); 1456 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); 1457// 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); 1458 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); 1459 1460 updateSize(pb, pos2); 1461 return updateSize(pb, pos); 1462 } 1463 1464 return 0; 1465} 1466 1467static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov, 1468 AVFormatContext *s) 1469{ 1470 int i; 1471 int64_t pos = url_ftell(pb); 1472 put_be32(pb, 0); /* size placeholder*/ 1473 put_tag(pb, "moov"); 1474 mov->timescale = globalTimescale; 1475 1476 for (i=0; i<mov->nb_streams; i++) { 1477 if(mov->tracks[i].entry <= 0) continue; 1478 1479 mov->tracks[i].time = mov->time; 1480 mov->tracks[i].trackID = i+1; 1481 } 1482 1483 mov_write_mvhd_tag(pb, mov); 1484 //mov_write_iods_tag(pb, mov); 1485 for (i=0; i<mov->nb_streams; i++) { 1486 if(mov->tracks[i].entry > 0) { 1487 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]); 1488 } 1489 } 1490 1491 if (mov->mode == MODE_PSP) 1492 mov_write_uuidusmt_tag(pb, s); 1493 else 1494 mov_write_udta_tag(pb, mov, s); 1495 1496 return updateSize(pb, pos); 1497} 1498 1499static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov) 1500{ 1501 put_be32(pb, 8); // placeholder for extended size field (64 bit) 1502 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free"); 1503 1504 mov->mdat_pos = url_ftell(pb); 1505 put_be32(pb, 0); /* size placeholder*/ 1506 put_tag(pb, "mdat"); 1507 return 0; 1508} 1509 1510/* TODO: This needs to be more general */ 1511static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s) 1512{ 1513 MOVMuxContext *mov = s->priv_data; 1514 int64_t pos = url_ftell(pb); 1515 int has_h264 = 0, has_video = 0; 1516 int minor = 0x200; 1517 int i; 1518 1519 for (i = 0; i < s->nb_streams; i++) { 1520 AVStream *st = s->streams[i]; 1521 if (st->codec->codec_type == CODEC_TYPE_VIDEO) 1522 has_video = 1; 1523 if (st->codec->codec_id == CODEC_ID_H264) 1524 has_h264 = 1; 1525 } 1526 1527 put_be32(pb, 0); /* size */ 1528 put_tag(pb, "ftyp"); 1529 1530 if (mov->mode == MODE_3GP) { 1531 put_tag(pb, has_h264 ? "3gp6" : "3gp4"); 1532 minor = has_h264 ? 0x100 : 0x200; 1533 } else if (mov->mode & MODE_3G2) { 1534 put_tag(pb, has_h264 ? "3g2b" : "3g2a"); 1535 minor = has_h264 ? 0x20000 : 0x10000; 1536 }else if (mov->mode == MODE_PSP) 1537 put_tag(pb, "MSNV"); 1538 else if (mov->mode == MODE_MP4) 1539 put_tag(pb, "isom"); 1540 else if (mov->mode == MODE_IPOD) 1541 put_tag(pb, has_video ? "M4V ":"M4A "); 1542 else 1543 put_tag(pb, "qt "); 1544 1545 put_be32(pb, minor); 1546 1547 if(mov->mode == MODE_MOV) 1548 put_tag(pb, "qt "); 1549 else{ 1550 put_tag(pb, "isom"); 1551 put_tag(pb, "iso2"); 1552 if(has_h264) 1553 put_tag(pb, "avc1"); 1554 } 1555 1556 if (mov->mode == MODE_3GP) 1557 put_tag(pb, has_h264 ? "3gp6":"3gp4"); 1558 else if (mov->mode & MODE_3G2) 1559 put_tag(pb, has_h264 ? "3g2b":"3g2a"); 1560 else if (mov->mode == MODE_PSP) 1561 put_tag(pb, "MSNV"); 1562 else if (mov->mode == MODE_MP4) 1563 put_tag(pb, "mp41"); 1564 return updateSize(pb, pos); 1565} 1566 1567static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s) 1568{ 1569 AVCodecContext *VideoCodec = s->streams[0]->codec; 1570 AVCodecContext *AudioCodec = s->streams[1]->codec; 1571 int AudioRate = AudioCodec->sample_rate; 1572 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); 1573 int audio_kbitrate= AudioCodec->bit_rate / 1000; 1574 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate); 1575 1576 put_be32(pb, 0x94); /* size */ 1577 put_tag(pb, "uuid"); 1578 put_tag(pb, "PROF"); 1579 1580 put_be32(pb, 0x21d24fce); /* 96 bit UUID */ 1581 put_be32(pb, 0xbb88695c); 1582 put_be32(pb, 0xfac9c740); 1583 1584 put_be32(pb, 0x0); /* ? */ 1585 put_be32(pb, 0x3); /* 3 sections ? */ 1586 1587 put_be32(pb, 0x14); /* size */ 1588 put_tag(pb, "FPRF"); 1589 put_be32(pb, 0x0); /* ? */ 1590 put_be32(pb, 0x0); /* ? */ 1591 put_be32(pb, 0x0); /* ? */ 1592 1593 put_be32(pb, 0x2c); /* size */ 1594 put_tag(pb, "APRF"); /* audio */ 1595 put_be32(pb, 0x0); 1596 put_be32(pb, 0x2); /* TrackID */ 1597 put_tag(pb, "mp4a"); 1598 put_be32(pb, 0x20f); 1599 put_be32(pb, 0x0); 1600 put_be32(pb, audio_kbitrate); 1601 put_be32(pb, audio_kbitrate); 1602 put_be32(pb, AudioRate); 1603 put_be32(pb, AudioCodec->channels); 1604 1605 put_be32(pb, 0x34); /* size */ 1606 put_tag(pb, "VPRF"); /* video */ 1607 put_be32(pb, 0x0); 1608 put_be32(pb, 0x1); /* TrackID */ 1609 if (VideoCodec->codec_id == CODEC_ID_H264) { 1610 put_tag(pb, "avc1"); 1611 put_be16(pb, 0x014D); 1612 put_be16(pb, 0x0015); 1613 } else { 1614 put_tag(pb, "mp4v"); 1615 put_be16(pb, 0x0000); 1616 put_be16(pb, 0x0103); 1617 } 1618 put_be32(pb, 0x0); 1619 put_be32(pb, video_kbitrate); 1620 put_be32(pb, video_kbitrate); 1621 put_be32(pb, FrameRate); 1622 put_be32(pb, FrameRate); 1623 put_be16(pb, VideoCodec->width); 1624 put_be16(pb, VideoCodec->height); 1625 put_be32(pb, 0x010001); /* ? */ 1626} 1627 1628static int mov_write_header(AVFormatContext *s) 1629{ 1630 ByteIOContext *pb = s->pb; 1631 MOVMuxContext *mov = s->priv_data; 1632 int i; 1633 1634 if (url_is_streamed(s->pb)) { 1635 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); 1636 return -1; 1637 } 1638 1639 /* Default mode == MP4 */ 1640 mov->mode = MODE_MP4; 1641 1642 if (s->oformat != NULL) { 1643 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; 1644 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; 1645 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; 1646 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; 1647 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; 1648 1649 mov_write_ftyp_tag(pb,s); 1650 if (mov->mode == MODE_PSP) { 1651 if (s->nb_streams != 2) { 1652 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n"); 1653 return -1; 1654 } 1655 mov_write_uuidprof_tag(pb,s); 1656 } 1657 } 1658 1659 for(i=0; i<s->nb_streams; i++){ 1660 AVStream *st= s->streams[i]; 1661 MOVTrack *track= &mov->tracks[i]; 1662 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0); 1663 1664 track->enc = st->codec; 1665 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); 1666 if (track->language < 0) 1667 track->language = 0; 1668 track->mode = mov->mode; 1669 track->tag = mov_find_codec_tag(s, track); 1670 if (!track->tag) { 1671 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, " 1672 "codec not currently supported in container\n", i); 1673 return -1; 1674 } 1675 if(st->codec->codec_type == CODEC_TYPE_VIDEO){ 1676 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || 1677 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || 1678 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { 1679 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { 1680 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); 1681 return -1; 1682 } 1683 track->height = track->tag>>24 == 'n' ? 486 : 576; 1684 } else 1685 track->height = st->codec->height; 1686 track->timescale = st->codec->time_base.den; 1687 av_set_pts_info(st, 64, 1, st->codec->time_base.den); 1688 if (track->mode == MODE_MOV && track->timescale > 100000) 1689 av_log(s, AV_LOG_WARNING, 1690 "WARNING codec timebase is very high. If duration is too long,\n" 1691 "file may not be playable by quicktime. Specify a shorter timebase\n" 1692 "or choose different container.\n"); 1693 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){ 1694 track->timescale = st->codec->sample_rate; 1695 av_set_pts_info(st, 64, 1, st->codec->sample_rate); 1696 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { 1697 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i); 1698 return -1; 1699 }else if(st->codec->frame_size > 1){ /* assume compressed audio */ 1700 track->audio_vbr = 1; 1701 }else{ 1702 st->codec->frame_size = 1; 1703 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; 1704 } 1705 if(track->mode != MODE_MOV && 1706 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){ 1707 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n", 1708 i, track->enc->sample_rate); 1709 return -1; 1710 } 1711 }else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){ 1712 track->timescale = st->codec->time_base.den; 1713 av_set_pts_info(st, 64, 1, st->codec->time_base.den); 1714 } 1715 } 1716 1717 mov_write_mdat_tag(pb, mov); 1718 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based 1719 mov->nb_streams = s->nb_streams; 1720 1721 put_flush_packet(pb); 1722 1723 return 0; 1724} 1725 1726static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) 1727{ 1728 MOVMuxContext *mov = s->priv_data; 1729 ByteIOContext *pb = s->pb; 1730 MOVTrack *trk = &mov->tracks[pkt->stream_index]; 1731 AVCodecContext *enc = trk->enc; 1732 unsigned int samplesInChunk = 0; 1733 int size= pkt->size; 1734 1735 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */ 1736 if (!size) return 0; /* Discard 0 sized packets */ 1737 1738 if (enc->codec_id == CODEC_ID_AMR_NB) { 1739 /* We must find out how many AMR blocks there are in one packet */ 1740 static uint16_t packed_size[16] = 1741 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0}; 1742 int len = 0; 1743 1744 while (len < size && samplesInChunk < 100) { 1745 len += packed_size[(pkt->data[len] >> 3) & 0x0F]; 1746 samplesInChunk++; 1747 } 1748 if(samplesInChunk > 1){ 1749 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); 1750 return -1; 1751 } 1752 } else if (trk->sampleSize) 1753 samplesInChunk = size/trk->sampleSize; 1754 else 1755 samplesInChunk = 1; 1756 1757 /* copy extradata if it exists */ 1758 if (trk->vosLen == 0 && enc->extradata_size > 0) { 1759 trk->vosLen = enc->extradata_size; 1760 trk->vosData = av_malloc(trk->vosLen); 1761 memcpy(trk->vosData, enc->extradata, trk->vosLen); 1762 } 1763 1764 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { 1765 /* from x264 or from bytestream h264 */ 1766 /* nal reformating needed */ 1767 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); 1768 } else { 1769 put_buffer(pb, pkt->data, size); 1770 } 1771 1772 if ((enc->codec_id == CODEC_ID_DNXHD || 1773 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) { 1774 /* copy frame to create needed atoms */ 1775 trk->vosLen = size; 1776 trk->vosData = av_malloc(size); 1777 if (!trk->vosData) 1778 return AVERROR(ENOMEM); 1779 memcpy(trk->vosData, pkt->data, size); 1780 } 1781 1782 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) { 1783 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster)); 1784 if (!trk->cluster) 1785 return -1; 1786 } 1787 1788 trk->cluster[trk->entry].pos = url_ftell(pb) - size; 1789 trk->cluster[trk->entry].samplesInChunk = samplesInChunk; 1790 trk->cluster[trk->entry].size = size; 1791 trk->cluster[trk->entry].entries = samplesInChunk; 1792 trk->cluster[trk->entry].dts = pkt->dts; 1793 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration; 1794 1795 if (pkt->pts == AV_NOPTS_VALUE) { 1796 av_log(s, AV_LOG_WARNING, "pts has no value\n"); 1797 pkt->pts = pkt->dts; 1798 } 1799 if (pkt->dts != pkt->pts) 1800 trk->hasBframes = 1; 1801 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; 1802 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY); 1803 if(trk->cluster[trk->entry].key_frame) 1804 trk->hasKeyframes++; 1805 trk->entry++; 1806 trk->sampleCount += samplesInChunk; 1807 mov->mdat_size += size; 1808 1809 put_flush_packet(pb); 1810 return 0; 1811} 1812 1813static int mov_write_trailer(AVFormatContext *s) 1814{ 1815 MOVMuxContext *mov = s->priv_data; 1816 ByteIOContext *pb = s->pb; 1817 int res = 0; 1818 int i; 1819 1820 int64_t moov_pos = url_ftell(pb); 1821 1822 /* Write size of mdat tag */ 1823 if (mov->mdat_size+8 <= UINT32_MAX) { 1824 url_fseek(pb, mov->mdat_pos, SEEK_SET); 1825 put_be32(pb, mov->mdat_size+8); 1826 } else { 1827 /* overwrite 'wide' placeholder atom */ 1828 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET); 1829 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ 1830 put_tag(pb, "mdat"); 1831 put_be64(pb, mov->mdat_size+16); 1832 } 1833 url_fseek(pb, moov_pos, SEEK_SET); 1834 1835 mov_write_moov_tag(pb, mov, s); 1836 1837 for (i=0; i<mov->nb_streams; i++) { 1838 av_freep(&mov->tracks[i].cluster); 1839 1840 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData); 1841 1842 } 1843 1844 put_flush_packet(pb); 1845 1846 return res; 1847} 1848 1849#if CONFIG_MOV_MUXER 1850AVOutputFormat mov_muxer = { 1851 "mov", 1852 NULL_IF_CONFIG_SMALL("MOV format"), 1853 NULL, 1854 "mov", 1855 sizeof(MOVMuxContext), 1856 CODEC_ID_AAC, 1857 CODEC_ID_MPEG4, 1858 mov_write_header, 1859 mov_write_packet, 1860 mov_write_trailer, 1861 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, 1862 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0}, 1863}; 1864#endif 1865#if CONFIG_TGP_MUXER 1866AVOutputFormat tgp_muxer = { 1867 "3gp", 1868 NULL_IF_CONFIG_SMALL("3GP format"), 1869 NULL, 1870 "3gp", 1871 sizeof(MOVMuxContext), 1872 CODEC_ID_AMR_NB, 1873 CODEC_ID_H263, 1874 mov_write_header, 1875 mov_write_packet, 1876 mov_write_trailer, 1877 .flags = AVFMT_GLOBALHEADER, 1878 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, 1879}; 1880#endif 1881#if CONFIG_MP4_MUXER 1882AVOutputFormat mp4_muxer = { 1883 "mp4", 1884 NULL_IF_CONFIG_SMALL("MP4 format"), 1885 "application/mp4", 1886 "mp4", 1887 sizeof(MOVMuxContext), 1888 CODEC_ID_AAC, 1889 CODEC_ID_MPEG4, 1890 mov_write_header, 1891 mov_write_packet, 1892 mov_write_trailer, 1893 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, 1894 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 1895}; 1896#endif 1897#if CONFIG_PSP_MUXER 1898AVOutputFormat psp_muxer = { 1899 "psp", 1900 NULL_IF_CONFIG_SMALL("PSP MP4 format"), 1901 NULL, 1902 "mp4,psp", 1903 sizeof(MOVMuxContext), 1904 CODEC_ID_AAC, 1905 CODEC_ID_MPEG4, 1906 mov_write_header, 1907 mov_write_packet, 1908 mov_write_trailer, 1909 .flags = AVFMT_GLOBALHEADER, 1910 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 1911}; 1912#endif 1913#if CONFIG_TG2_MUXER 1914AVOutputFormat tg2_muxer = { 1915 "3g2", 1916 NULL_IF_CONFIG_SMALL("3GP2 format"), 1917 NULL, 1918 "3g2", 1919 sizeof(MOVMuxContext), 1920 CODEC_ID_AMR_NB, 1921 CODEC_ID_H263, 1922 mov_write_header, 1923 mov_write_packet, 1924 mov_write_trailer, 1925 .flags = AVFMT_GLOBALHEADER, 1926 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, 1927}; 1928#endif 1929#if CONFIG_IPOD_MUXER 1930AVOutputFormat ipod_muxer = { 1931 "ipod", 1932 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"), 1933 "application/mp4", 1934 "m4v,m4a", 1935 sizeof(MOVMuxContext), 1936 CODEC_ID_AAC, 1937 CODEC_ID_H264, 1938 mov_write_header, 1939 mov_write_packet, 1940 mov_write_trailer, 1941 .flags = AVFMT_GLOBALHEADER, 1942 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 1943}; 1944#endif 1945