Libav
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00001 /* 00002 * MOV, 3GP, MP4 muxer 00003 * Copyright (c) 2003 Thomas Raivio 00004 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> 00005 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> 00006 * 00007 * This file is part of FFmpeg. 00008 * 00009 * FFmpeg is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU Lesser General Public 00011 * License as published by the Free Software Foundation; either 00012 * version 2.1 of the License, or (at your option) any later version. 00013 * 00014 * FFmpeg is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 * Lesser General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU Lesser General Public 00020 * License along with FFmpeg; if not, write to the Free Software 00021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00022 */ 00023 00024 #include "movenc.h" 00025 #include "avformat.h" 00026 #include "riff.h" 00027 #include "avio.h" 00028 #include "isom.h" 00029 #include "avc.h" 00030 #include "libavcodec/get_bits.h" 00031 #include "libavcodec/put_bits.h" 00032 #include "internal.h" 00033 #include "libavutil/avstring.h" 00034 00035 #undef NDEBUG 00036 #include <assert.h> 00037 00038 //FIXME support 64 bit variant with wide placeholders 00039 static int64_t updateSize(ByteIOContext *pb, int64_t pos) 00040 { 00041 int64_t curpos = url_ftell(pb); 00042 url_fseek(pb, pos, SEEK_SET); 00043 put_be32(pb, curpos - pos); /* rewrite size */ 00044 url_fseek(pb, curpos, SEEK_SET); 00045 00046 return curpos - pos; 00047 } 00048 00049 /* Chunk offset atom */ 00050 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track) 00051 { 00052 int i; 00053 int mode64 = 0; // use 32 bit size variant if possible 00054 int64_t pos = url_ftell(pb); 00055 put_be32(pb, 0); /* size */ 00056 if (pos > UINT32_MAX) { 00057 mode64 = 1; 00058 put_tag(pb, "co64"); 00059 } else 00060 put_tag(pb, "stco"); 00061 put_be32(pb, 0); /* version & flags */ 00062 put_be32(pb, track->entry); /* entry count */ 00063 for (i=0; i<track->entry; i++) { 00064 if(mode64 == 1) 00065 put_be64(pb, track->cluster[i].pos); 00066 else 00067 put_be32(pb, track->cluster[i].pos); 00068 } 00069 return updateSize(pb, pos); 00070 } 00071 00072 /* Sample size atom */ 00073 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track) 00074 { 00075 int equalChunks = 1; 00076 int i, j, entries = 0, tst = -1, oldtst = -1; 00077 00078 int64_t pos = url_ftell(pb); 00079 put_be32(pb, 0); /* size */ 00080 put_tag(pb, "stsz"); 00081 put_be32(pb, 0); /* version & flags */ 00082 00083 for (i=0; i<track->entry; i++) { 00084 tst = track->cluster[i].size/track->cluster[i].entries; 00085 if(oldtst != -1 && tst != oldtst) { 00086 equalChunks = 0; 00087 } 00088 oldtst = tst; 00089 entries += track->cluster[i].entries; 00090 } 00091 if (equalChunks) { 00092 int sSize = track->cluster[0].size/track->cluster[0].entries; 00093 put_be32(pb, sSize); // sample size 00094 put_be32(pb, entries); // sample count 00095 } 00096 else { 00097 put_be32(pb, 0); // sample size 00098 put_be32(pb, entries); // sample count 00099 for (i=0; i<track->entry; i++) { 00100 for (j=0; j<track->cluster[i].entries; j++) { 00101 put_be32(pb, track->cluster[i].size / 00102 track->cluster[i].entries); 00103 } 00104 } 00105 } 00106 return updateSize(pb, pos); 00107 } 00108 00109 /* Sample to chunk atom */ 00110 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track) 00111 { 00112 int index = 0, oldval = -1, i; 00113 int64_t entryPos, curpos; 00114 00115 int64_t pos = url_ftell(pb); 00116 put_be32(pb, 0); /* size */ 00117 put_tag(pb, "stsc"); 00118 put_be32(pb, 0); // version & flags 00119 entryPos = url_ftell(pb); 00120 put_be32(pb, track->entry); // entry count 00121 for (i=0; i<track->entry; i++) { 00122 if(oldval != track->cluster[i].samplesInChunk) 00123 { 00124 put_be32(pb, i+1); // first chunk 00125 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk 00126 put_be32(pb, 0x1); // sample description index 00127 oldval = track->cluster[i].samplesInChunk; 00128 index++; 00129 } 00130 } 00131 curpos = url_ftell(pb); 00132 url_fseek(pb, entryPos, SEEK_SET); 00133 put_be32(pb, index); // rewrite size 00134 url_fseek(pb, curpos, SEEK_SET); 00135 00136 return updateSize(pb, pos); 00137 } 00138 00139 /* Sync sample atom */ 00140 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, uint32_t flag) 00141 { 00142 int64_t curpos, entryPos; 00143 int i, index = 0; 00144 int64_t pos = url_ftell(pb); 00145 put_be32(pb, 0); // size 00146 put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps"); 00147 put_be32(pb, 0); // version & flags 00148 entryPos = url_ftell(pb); 00149 put_be32(pb, track->entry); // entry count 00150 for (i=0; i<track->entry; i++) { 00151 if (track->cluster[i].flags & flag) { 00152 put_be32(pb, i+1); 00153 index++; 00154 } 00155 } 00156 curpos = url_ftell(pb); 00157 url_fseek(pb, entryPos, SEEK_SET); 00158 put_be32(pb, index); // rewrite size 00159 url_fseek(pb, curpos, SEEK_SET); 00160 return updateSize(pb, pos); 00161 } 00162 00163 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track) 00164 { 00165 put_be32(pb, 0x11); /* size */ 00166 if (track->mode == MODE_MOV) put_tag(pb, "samr"); 00167 else put_tag(pb, "damr"); 00168 put_tag(pb, "FFMP"); 00169 put_byte(pb, 0); /* decoder version */ 00170 00171 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ 00172 put_byte(pb, 0x00); /* Mode change period (no restriction) */ 00173 put_byte(pb, 0x01); /* Frames per sample */ 00174 return 0x11; 00175 } 00176 00177 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track) 00178 { 00179 GetBitContext gbc; 00180 PutBitContext pbc; 00181 uint8_t buf[3]; 00182 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod; 00183 00184 if (track->vosLen < 7) 00185 return -1; 00186 00187 put_be32(pb, 11); 00188 put_tag(pb, "dac3"); 00189 00190 init_get_bits(&gbc, track->vosData+4, track->vosLen-4); 00191 fscod = get_bits(&gbc, 2); 00192 frmsizecod = get_bits(&gbc, 6); 00193 bsid = get_bits(&gbc, 5); 00194 bsmod = get_bits(&gbc, 3); 00195 acmod = get_bits(&gbc, 3); 00196 if (acmod == 2) { 00197 skip_bits(&gbc, 2); // dsurmod 00198 } else { 00199 if ((acmod & 1) && acmod != 1) 00200 skip_bits(&gbc, 2); // cmixlev 00201 if (acmod & 4) 00202 skip_bits(&gbc, 2); // surmixlev 00203 } 00204 lfeon = get_bits1(&gbc); 00205 00206 init_put_bits(&pbc, buf, sizeof(buf)); 00207 put_bits(&pbc, 2, fscod); 00208 put_bits(&pbc, 5, bsid); 00209 put_bits(&pbc, 3, bsmod); 00210 put_bits(&pbc, 3, acmod); 00211 put_bits(&pbc, 1, lfeon); 00212 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code 00213 put_bits(&pbc, 5, 0); // reserved 00214 00215 flush_put_bits(&pbc); 00216 put_buffer(pb, buf, sizeof(buf)); 00217 00218 return 11; 00219 } 00220 00225 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track) 00226 { 00227 put_buffer(pb, track->enc->extradata, track->enc->extradata_size); 00228 return track->enc->extradata_size; 00229 } 00230 00231 static int mov_write_enda_tag(ByteIOContext *pb) 00232 { 00233 put_be32(pb, 10); 00234 put_tag(pb, "enda"); 00235 put_be16(pb, 1); /* little endian */ 00236 return 10; 00237 } 00238 00239 static unsigned int descrLength(unsigned int len) 00240 { 00241 int i; 00242 for(i=1; len>>(7*i); i++); 00243 return len + 1 + i; 00244 } 00245 00246 static void putDescr(ByteIOContext *pb, int tag, unsigned int size) 00247 { 00248 int i= descrLength(size) - size - 2; 00249 put_byte(pb, tag); 00250 for(; i>0; i--) 00251 put_byte(pb, (size>>(7*i)) | 0x80); 00252 put_byte(pb, size & 0x7F); 00253 } 00254 00255 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic 00256 { 00257 int64_t pos = url_ftell(pb); 00258 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0; 00259 00260 put_be32(pb, 0); // size 00261 put_tag(pb, "esds"); 00262 put_be32(pb, 0); // Version 00263 00264 // ES descriptor 00265 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) + 00266 descrLength(1)); 00267 put_be16(pb, track->trackID); 00268 put_byte(pb, 0x00); // flags (= no flags) 00269 00270 // DecoderConfig descriptor 00271 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); 00272 00273 // Object type indication 00274 if ((track->enc->codec_id == CODEC_ID_MP2 || 00275 track->enc->codec_id == CODEC_ID_MP3) && 00276 track->enc->sample_rate > 24000) 00277 put_byte(pb, 0x6B); // 11172-3 00278 else 00279 put_byte(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); 00280 00281 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) 00282 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) 00283 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 00284 put_byte(pb, 0x15); // flags (= Audiostream) 00285 else 00286 put_byte(pb, 0x11); // flags (= Visualstream) 00287 00288 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits) 00289 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB 00290 00291 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window) 00292 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0) 00293 put_be32(pb, 0); // vbr 00294 else 00295 put_be32(pb, track->enc->rc_max_rate); // avg bitrate 00296 00297 if (track->vosLen) { 00298 // DecoderSpecific info descriptor 00299 putDescr(pb, 0x05, track->vosLen); 00300 put_buffer(pb, track->vosData, track->vosLen); 00301 } 00302 00303 // SL descriptor 00304 putDescr(pb, 0x06, 1); 00305 put_byte(pb, 0x02); 00306 return updateSize(pb, pos); 00307 } 00308 00309 static int mov_pcm_le_gt16(enum CodecID codec_id) 00310 { 00311 return codec_id == CODEC_ID_PCM_S24LE || 00312 codec_id == CODEC_ID_PCM_S32LE || 00313 codec_id == CODEC_ID_PCM_F32LE || 00314 codec_id == CODEC_ID_PCM_F64LE; 00315 } 00316 00317 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track) 00318 { 00319 int64_t pos = url_ftell(pb); 00320 00321 put_be32(pb, 0); /* size */ 00322 put_tag(pb, "wave"); 00323 00324 put_be32(pb, 12); /* size */ 00325 put_tag(pb, "frma"); 00326 put_le32(pb, track->tag); 00327 00328 if (track->enc->codec_id == CODEC_ID_AAC) { 00329 /* useless atom needed by mplayer, ipod, not needed by quicktime */ 00330 put_be32(pb, 12); /* size */ 00331 put_tag(pb, "mp4a"); 00332 put_be32(pb, 0); 00333 mov_write_esds_tag(pb, track); 00334 } else if (mov_pcm_le_gt16(track->enc->codec_id)) { 00335 mov_write_enda_tag(pb); 00336 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) { 00337 mov_write_amr_tag(pb, track); 00338 } else if (track->enc->codec_id == CODEC_ID_AC3) { 00339 mov_write_ac3_tag(pb, track); 00340 } else if (track->enc->codec_id == CODEC_ID_ALAC) { 00341 mov_write_extradata_tag(pb, track); 00342 } 00343 00344 put_be32(pb, 8); /* size */ 00345 put_be32(pb, 0); /* null tag */ 00346 00347 return updateSize(pb, pos); 00348 } 00349 00350 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track) 00351 { 00352 put_be32(pb, track->vosLen+8); 00353 put_tag(pb, "glbl"); 00354 put_buffer(pb, track->vosData, track->vosLen); 00355 return 8+track->vosLen; 00356 } 00357 00362 static int mov_get_lpcm_flags(enum CodecID codec_id) 00363 { 00364 switch (codec_id) { 00365 case CODEC_ID_PCM_F32BE: 00366 case CODEC_ID_PCM_F64BE: 00367 return 11; 00368 case CODEC_ID_PCM_F32LE: 00369 case CODEC_ID_PCM_F64LE: 00370 return 9; 00371 case CODEC_ID_PCM_U8: 00372 return 10; 00373 case CODEC_ID_PCM_S16BE: 00374 case CODEC_ID_PCM_S24BE: 00375 case CODEC_ID_PCM_S32BE: 00376 return 14; 00377 case CODEC_ID_PCM_S8: 00378 case CODEC_ID_PCM_S16LE: 00379 case CODEC_ID_PCM_S24LE: 00380 case CODEC_ID_PCM_S32LE: 00381 return 12; 00382 default: 00383 return 0; 00384 } 00385 } 00386 00387 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track) 00388 { 00389 int64_t pos = url_ftell(pb); 00390 int version = 0; 00391 uint32_t tag = track->tag; 00392 00393 if (track->mode == MODE_MOV) { 00394 if (track->timescale > UINT16_MAX) { 00395 if (mov_get_lpcm_flags(track->enc->codec_id)) 00396 tag = AV_RL32("lpcm"); 00397 version = 2; 00398 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id)) { 00399 version = 1; 00400 } 00401 } 00402 00403 put_be32(pb, 0); /* size */ 00404 put_le32(pb, tag); // store it byteswapped 00405 put_be32(pb, 0); /* Reserved */ 00406 put_be16(pb, 0); /* Reserved */ 00407 put_be16(pb, 1); /* Data-reference index, XXX == 1 */ 00408 00409 /* SoundDescription */ 00410 put_be16(pb, version); /* Version */ 00411 put_be16(pb, 0); /* Revision level */ 00412 put_be32(pb, 0); /* Reserved */ 00413 00414 if (version == 2) { 00415 put_be16(pb, 3); 00416 put_be16(pb, 16); 00417 put_be16(pb, 0xfffe); 00418 put_be16(pb, 0); 00419 put_be32(pb, 0x00010000); 00420 put_be32(pb, 72); 00421 put_be64(pb, av_dbl2int(track->timescale)); 00422 put_be32(pb, track->enc->channels); 00423 put_be32(pb, 0x7F000000); 00424 put_be32(pb, av_get_bits_per_sample(track->enc->codec_id)); 00425 put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id)); 00426 put_be32(pb, track->sampleSize); 00427 put_be32(pb, track->enc->frame_size); 00428 } else { 00429 if (track->mode == MODE_MOV) { 00430 put_be16(pb, track->enc->channels); 00431 if (track->enc->codec_id == CODEC_ID_PCM_U8 || 00432 track->enc->codec_id == CODEC_ID_PCM_S8) 00433 put_be16(pb, 8); /* bits per sample */ 00434 else 00435 put_be16(pb, 16); 00436 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ 00437 } else { /* reserved for mp4/3gp */ 00438 put_be16(pb, 2); 00439 put_be16(pb, 16); 00440 put_be16(pb, 0); 00441 } 00442 00443 put_be16(pb, 0); /* packet size (= 0) */ 00444 put_be16(pb, track->timescale); /* Time scale */ 00445 put_be16(pb, 0); /* Reserved */ 00446 } 00447 00448 if(version == 1) { /* SoundDescription V1 extended info */ 00449 put_be32(pb, track->enc->frame_size); /* Samples per packet */ 00450 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */ 00451 put_be32(pb, track->sampleSize); /* Bytes per frame */ 00452 put_be32(pb, 2); /* Bytes per sample */ 00453 } 00454 00455 if(track->mode == MODE_MOV && 00456 (track->enc->codec_id == CODEC_ID_AAC || 00457 track->enc->codec_id == CODEC_ID_AC3 || 00458 track->enc->codec_id == CODEC_ID_AMR_NB || 00459 track->enc->codec_id == CODEC_ID_ALAC || 00460 mov_pcm_le_gt16(track->enc->codec_id))) 00461 mov_write_wave_tag(pb, track); 00462 else if(track->tag == MKTAG('m','p','4','a')) 00463 mov_write_esds_tag(pb, track); 00464 else if(track->enc->codec_id == CODEC_ID_AMR_NB) 00465 mov_write_amr_tag(pb, track); 00466 else if(track->enc->codec_id == CODEC_ID_AC3) 00467 mov_write_ac3_tag(pb, track); 00468 else if(track->enc->codec_id == CODEC_ID_ALAC) 00469 mov_write_extradata_tag(pb, track); 00470 else if(track->vosLen > 0) 00471 mov_write_glbl_tag(pb, track); 00472 00473 return updateSize(pb, pos); 00474 } 00475 00476 static int mov_write_d263_tag(ByteIOContext *pb) 00477 { 00478 put_be32(pb, 0xf); /* size */ 00479 put_tag(pb, "d263"); 00480 put_tag(pb, "FFMP"); 00481 put_byte(pb, 0); /* decoder version */ 00482 /* FIXME use AVCodecContext level/profile, when encoder will set values */ 00483 put_byte(pb, 0xa); /* level */ 00484 put_byte(pb, 0); /* profile */ 00485 return 0xf; 00486 } 00487 00488 /* TODO: No idea about these values */ 00489 static int mov_write_svq3_tag(ByteIOContext *pb) 00490 { 00491 put_be32(pb, 0x15); 00492 put_tag(pb, "SMI "); 00493 put_tag(pb, "SEQH"); 00494 put_be32(pb, 0x5); 00495 put_be32(pb, 0xe2c0211d); 00496 put_be32(pb, 0xc0000000); 00497 put_byte(pb, 0); 00498 return 0x15; 00499 } 00500 00501 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track) 00502 { 00503 int64_t pos = url_ftell(pb); 00504 00505 put_be32(pb, 0); 00506 put_tag(pb, "avcC"); 00507 ff_isom_write_avcc(pb, track->vosData, track->vosLen); 00508 return updateSize(pb, pos); 00509 } 00510 00511 /* also used by all avid codecs (dv, imx, meridien) and their variants */ 00512 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track) 00513 { 00514 int i; 00515 put_be32(pb, 24); /* size */ 00516 put_tag(pb, "ACLR"); 00517 put_tag(pb, "ACLR"); 00518 put_tag(pb, "0001"); 00519 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */ 00520 put_be32(pb, 0); /* unknown */ 00521 00522 put_be32(pb, 24); /* size */ 00523 put_tag(pb, "APRG"); 00524 put_tag(pb, "APRG"); 00525 put_tag(pb, "0001"); 00526 put_be32(pb, 1); /* unknown */ 00527 put_be32(pb, 0); /* unknown */ 00528 00529 put_be32(pb, 120); /* size */ 00530 put_tag(pb, "ARES"); 00531 put_tag(pb, "ARES"); 00532 put_tag(pb, "0001"); 00533 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */ 00534 put_be32(pb, track->enc->width); 00535 /* values below are based on samples created with quicktime and avid codecs */ 00536 if (track->vosData[5] & 2) { // interlaced 00537 put_be32(pb, track->enc->height/2); 00538 put_be32(pb, 2); /* unknown */ 00539 put_be32(pb, 0); /* unknown */ 00540 put_be32(pb, 4); /* unknown */ 00541 } else { 00542 put_be32(pb, track->enc->height); 00543 put_be32(pb, 1); /* unknown */ 00544 put_be32(pb, 0); /* unknown */ 00545 if (track->enc->height == 1080) 00546 put_be32(pb, 5); /* unknown */ 00547 else 00548 put_be32(pb, 6); /* unknown */ 00549 } 00550 /* padding */ 00551 for (i = 0; i < 10; i++) 00552 put_be64(pb, 0); 00553 00554 /* extra padding for stsd needed */ 00555 put_be32(pb, 0); 00556 return 0; 00557 } 00558 00559 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) 00560 { 00561 int tag = track->enc->codec_tag; 00562 00563 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)) 00564 return 0; 00565 00566 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1'); 00567 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); 00568 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); 00569 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); 00570 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); 00571 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); 00572 00573 return tag; 00574 } 00575 00576 static const AVCodecTag codec_ipod_tags[] = { 00577 { CODEC_ID_H264, MKTAG('a','v','c','1') }, 00578 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, 00579 { CODEC_ID_AAC, MKTAG('m','p','4','a') }, 00580 { CODEC_ID_ALAC, MKTAG('a','l','a','c') }, 00581 { CODEC_ID_AC3, MKTAG('a','c','-','3') }, 00582 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, 00583 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, 00584 { CODEC_ID_NONE, 0 }, 00585 }; 00586 00587 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) 00588 { 00589 int tag = track->enc->codec_tag; 00590 00591 // keep original tag for subs, ipod supports both formats 00592 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE && 00593 (tag == MKTAG('t','x','3','g') || 00594 tag == MKTAG('t','e','x','t')))) 00595 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); 00596 00597 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v")) 00598 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v " 00599 "Quicktime/Ipod might not play the file\n"); 00600 00601 return tag; 00602 } 00603 00604 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) 00605 { 00606 int tag; 00607 00608 if (track->enc->height == 480) /* NTSC */ 00609 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); 00610 else tag = MKTAG('d','v','c',' '); 00611 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); 00612 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); 00613 else tag = MKTAG('d','v','p','p'); 00614 00615 return tag; 00616 } 00617 00618 static const struct { 00619 enum PixelFormat pix_fmt; 00620 uint32_t tag; 00621 unsigned bps; 00622 } mov_pix_fmt_tags[] = { 00623 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, 00624 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, 00625 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 }, 00626 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, 00627 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, 00628 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, 00629 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, 00630 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, 00631 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, 00632 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, 00633 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, 00634 }; 00635 00636 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) 00637 { 00638 int tag = track->enc->codec_tag; 00639 int i; 00640 00641 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { 00642 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) { 00643 tag = mov_pix_fmt_tags[i].tag; 00644 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; 00645 break; 00646 } 00647 } 00648 00649 return tag; 00650 } 00651 00652 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) 00653 { 00654 int tag = track->enc->codec_tag; 00655 00656 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL && 00657 (tag == MKTAG('d','v','c','p') || 00658 track->enc->codec_id == CODEC_ID_RAWVIDEO || 00659 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio 00660 if (track->enc->codec_id == CODEC_ID_DVVIDEO) 00661 tag = mov_get_dv_codec_tag(s, track); 00662 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) 00663 tag = mov_get_rawvideo_codec_tag(s, track); 00664 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { 00665 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id); 00666 if (!tag) { // if no mac fcc found, try with Microsoft tags 00667 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); 00668 if (tag) 00669 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, " 00670 "the file may be unplayable!\n"); 00671 } 00672 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { 00673 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id); 00674 if (!tag) { // if no mac fcc found, try with Microsoft tags 00675 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id); 00676 if (ms_tag) { 00677 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); 00678 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, " 00679 "the file may be unplayable!\n"); 00680 } 00681 } 00682 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) 00683 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); 00684 } 00685 00686 return tag; 00687 } 00688 00689 static const AVCodecTag codec_3gp_tags[] = { 00690 { CODEC_ID_H263, MKTAG('s','2','6','3') }, 00691 { CODEC_ID_H264, MKTAG('a','v','c','1') }, 00692 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, 00693 { CODEC_ID_AAC, MKTAG('m','p','4','a') }, 00694 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, 00695 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, 00696 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, 00697 { CODEC_ID_NONE, 0 }, 00698 }; 00699 00700 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) 00701 { 00702 int tag = track->enc->codec_tag; 00703 00704 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) 00705 tag = mp4_get_codec_tag(s, track); 00706 else if (track->mode == MODE_IPOD) 00707 tag = ipod_get_codec_tag(s, track); 00708 else if (track->mode & MODE_3GP) 00709 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); 00710 else 00711 tag = mov_get_codec_tag(s, track); 00712 00713 return tag; 00714 } 00715 00720 static int mov_write_uuid_tag_ipod(ByteIOContext *pb) 00721 { 00722 put_be32(pb, 28); 00723 put_tag(pb, "uuid"); 00724 put_be32(pb, 0x6b6840f2); 00725 put_be32(pb, 0x5f244fc5); 00726 put_be32(pb, 0xba39a51b); 00727 put_be32(pb, 0xcf0323f3); 00728 put_be32(pb, 0x0); 00729 return 28; 00730 } 00731 00732 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track) 00733 { 00734 int64_t pos = url_ftell(pb); 00735 put_be32(pb, 0); /* size */ 00736 put_le32(pb, track->tag); // store it byteswapped 00737 put_be32(pb, 0); /* Reserved */ 00738 put_be16(pb, 0); /* Reserved */ 00739 put_be16(pb, 1); /* Data-reference index */ 00740 00741 if (track->enc->extradata_size) 00742 put_buffer(pb, track->enc->extradata, track->enc->extradata_size); 00743 00744 return updateSize(pb, pos); 00745 } 00746 00747 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track) 00748 { 00749 int64_t pos = url_ftell(pb); 00750 char compressor_name[32]; 00751 00752 put_be32(pb, 0); /* size */ 00753 put_le32(pb, track->tag); // store it byteswapped 00754 put_be32(pb, 0); /* Reserved */ 00755 put_be16(pb, 0); /* Reserved */ 00756 put_be16(pb, 1); /* Data-reference index */ 00757 00758 put_be16(pb, 0); /* Codec stream version */ 00759 put_be16(pb, 0); /* Codec stream revision (=0) */ 00760 if (track->mode == MODE_MOV) { 00761 put_tag(pb, "FFMP"); /* Vendor */ 00762 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) { 00763 put_be32(pb, 0); /* Temporal Quality */ 00764 put_be32(pb, 0x400); /* Spatial Quality = lossless*/ 00765 } else { 00766 put_be32(pb, 0x200); /* Temporal Quality = normal */ 00767 put_be32(pb, 0x200); /* Spatial Quality = normal */ 00768 } 00769 } else { 00770 put_be32(pb, 0); /* Reserved */ 00771 put_be32(pb, 0); /* Reserved */ 00772 put_be32(pb, 0); /* Reserved */ 00773 } 00774 put_be16(pb, track->enc->width); /* Video width */ 00775 put_be16(pb, track->height); /* Video height */ 00776 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */ 00777 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */ 00778 put_be32(pb, 0); /* Data size (= 0) */ 00779 put_be16(pb, 1); /* Frame count (= 1) */ 00780 00781 memset(compressor_name,0,32); 00782 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */ 00783 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) 00784 strncpy(compressor_name,track->enc->codec->name,31); 00785 put_byte(pb, strlen(compressor_name)); 00786 put_buffer(pb, compressor_name, 31); 00787 00788 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample) 00789 put_be16(pb, track->enc->bits_per_coded_sample); 00790 else 00791 put_be16(pb, 0x18); /* Reserved */ 00792 put_be16(pb, 0xffff); /* Reserved */ 00793 if(track->tag == MKTAG('m','p','4','v')) 00794 mov_write_esds_tag(pb, track); 00795 else if(track->enc->codec_id == CODEC_ID_H263) 00796 mov_write_d263_tag(pb); 00797 else if(track->enc->codec_id == CODEC_ID_SVQ3) 00798 mov_write_svq3_tag(pb); 00799 else if(track->enc->codec_id == CODEC_ID_DNXHD) 00800 mov_write_avid_tag(pb, track); 00801 else if(track->enc->codec_id == CODEC_ID_H264) { 00802 mov_write_avcc_tag(pb, track); 00803 if(track->mode == MODE_IPOD) 00804 mov_write_uuid_tag_ipod(pb); 00805 } else if(track->vosLen > 0) 00806 mov_write_glbl_tag(pb, track); 00807 00808 return updateSize(pb, pos); 00809 } 00810 00811 static int mov_write_rtp_tag(ByteIOContext *pb, MOVTrack *track) 00812 { 00813 int64_t pos = url_ftell(pb); 00814 put_be32(pb, 0); /* size */ 00815 put_tag(pb, "rtp "); 00816 put_be32(pb, 0); /* Reserved */ 00817 put_be16(pb, 0); /* Reserved */ 00818 put_be16(pb, 1); /* Data-reference index */ 00819 00820 put_be16(pb, 1); /* Hint track version */ 00821 put_be16(pb, 1); /* Highest compatible version */ 00822 put_be32(pb, track->max_packet_size); /* Max packet size */ 00823 00824 put_be32(pb, 12); /* size */ 00825 put_tag(pb, "tims"); 00826 put_be32(pb, track->timescale); 00827 00828 return updateSize(pb, pos); 00829 } 00830 00831 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track) 00832 { 00833 int64_t pos = url_ftell(pb); 00834 put_be32(pb, 0); /* size */ 00835 put_tag(pb, "stsd"); 00836 put_be32(pb, 0); /* version & flags */ 00837 put_be32(pb, 1); /* entry count */ 00838 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) 00839 mov_write_video_tag(pb, track); 00840 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 00841 mov_write_audio_tag(pb, track); 00842 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) 00843 mov_write_subtitle_tag(pb, track); 00844 else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) 00845 mov_write_rtp_tag(pb, track); 00846 return updateSize(pb, pos); 00847 } 00848 00849 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track) 00850 { 00851 MOVStts *ctts_entries; 00852 uint32_t entries = 0; 00853 uint32_t atom_size; 00854 int i; 00855 00856 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ 00857 ctts_entries[0].count = 1; 00858 ctts_entries[0].duration = track->cluster[0].cts; 00859 for (i=1; i<track->entry; i++) { 00860 if (track->cluster[i].cts == ctts_entries[entries].duration) { 00861 ctts_entries[entries].count++; /* compress */ 00862 } else { 00863 entries++; 00864 ctts_entries[entries].duration = track->cluster[i].cts; 00865 ctts_entries[entries].count = 1; 00866 } 00867 } 00868 entries++; /* last one */ 00869 atom_size = 16 + (entries * 8); 00870 put_be32(pb, atom_size); /* size */ 00871 put_tag(pb, "ctts"); 00872 put_be32(pb, 0); /* version & flags */ 00873 put_be32(pb, entries); /* entry count */ 00874 for (i=0; i<entries; i++) { 00875 put_be32(pb, ctts_entries[i].count); 00876 put_be32(pb, ctts_entries[i].duration); 00877 } 00878 av_free(ctts_entries); 00879 return atom_size; 00880 } 00881 00882 /* Time to sample atom */ 00883 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track) 00884 { 00885 MOVStts *stts_entries; 00886 uint32_t entries = -1; 00887 uint32_t atom_size; 00888 int i; 00889 00890 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) { 00891 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ 00892 stts_entries[0].count = track->sampleCount; 00893 stts_entries[0].duration = 1; 00894 entries = 1; 00895 } else { 00896 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */ 00897 for (i=0; i<track->entry; i++) { 00898 int64_t duration = i + 1 == track->entry ? 00899 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */ 00900 track->cluster[i+1].dts - track->cluster[i].dts; 00901 if (i && duration == stts_entries[entries].duration) { 00902 stts_entries[entries].count++; /* compress */ 00903 } else { 00904 entries++; 00905 stts_entries[entries].duration = duration; 00906 stts_entries[entries].count = 1; 00907 } 00908 } 00909 entries++; /* last one */ 00910 } 00911 atom_size = 16 + (entries * 8); 00912 put_be32(pb, atom_size); /* size */ 00913 put_tag(pb, "stts"); 00914 put_be32(pb, 0); /* version & flags */ 00915 put_be32(pb, entries); /* entry count */ 00916 for (i=0; i<entries; i++) { 00917 put_be32(pb, stts_entries[i].count); 00918 put_be32(pb, stts_entries[i].duration); 00919 } 00920 av_free(stts_entries); 00921 return atom_size; 00922 } 00923 00924 static int mov_write_dref_tag(ByteIOContext *pb) 00925 { 00926 put_be32(pb, 28); /* size */ 00927 put_tag(pb, "dref"); 00928 put_be32(pb, 0); /* version & flags */ 00929 put_be32(pb, 1); /* entry count */ 00930 00931 put_be32(pb, 0xc); /* size */ 00932 put_tag(pb, "url "); 00933 put_be32(pb, 1); /* version & flags */ 00934 00935 return 28; 00936 } 00937 00938 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track) 00939 { 00940 int64_t pos = url_ftell(pb); 00941 put_be32(pb, 0); /* size */ 00942 put_tag(pb, "stbl"); 00943 mov_write_stsd_tag(pb, track); 00944 mov_write_stts_tag(pb, track); 00945 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO || 00946 track->enc->codec_tag == MKTAG('r','t','p',' ')) && 00947 track->hasKeyframes && track->hasKeyframes < track->entry) 00948 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); 00949 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS) 00950 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); 00951 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && 00952 track->flags & MOV_TRACK_CTTS) 00953 mov_write_ctts_tag(pb, track); 00954 mov_write_stsc_tag(pb, track); 00955 mov_write_stsz_tag(pb, track); 00956 mov_write_stco_tag(pb, track); 00957 return updateSize(pb, pos); 00958 } 00959 00960 static int mov_write_dinf_tag(ByteIOContext *pb) 00961 { 00962 int64_t pos = url_ftell(pb); 00963 put_be32(pb, 0); /* size */ 00964 put_tag(pb, "dinf"); 00965 mov_write_dref_tag(pb); 00966 return updateSize(pb, pos); 00967 } 00968 00969 static int mov_write_nmhd_tag(ByteIOContext *pb) 00970 { 00971 put_be32(pb, 12); 00972 put_tag(pb, "nmhd"); 00973 put_be32(pb, 0); 00974 return 12; 00975 } 00976 00977 static int mov_write_gmhd_tag(ByteIOContext *pb) 00978 { 00979 put_be32(pb, 0x20); /* size */ 00980 put_tag(pb, "gmhd"); 00981 put_be32(pb, 0x18); /* gmin size */ 00982 put_tag(pb, "gmin"); /* generic media info */ 00983 put_be32(pb, 0); /* version & flags */ 00984 put_be16(pb, 0x40); /* graphics mode = */ 00985 put_be16(pb, 0x8000); /* opColor (r?) */ 00986 put_be16(pb, 0x8000); /* opColor (g?) */ 00987 put_be16(pb, 0x8000); /* opColor (b?) */ 00988 put_be16(pb, 0); /* balance */ 00989 put_be16(pb, 0); /* reserved */ 00990 return 0x20; 00991 } 00992 00993 static int mov_write_smhd_tag(ByteIOContext *pb) 00994 { 00995 put_be32(pb, 16); /* size */ 00996 put_tag(pb, "smhd"); 00997 put_be32(pb, 0); /* version & flags */ 00998 put_be16(pb, 0); /* reserved (balance, normally = 0) */ 00999 put_be16(pb, 0); /* reserved */ 01000 return 16; 01001 } 01002 01003 static int mov_write_vmhd_tag(ByteIOContext *pb) 01004 { 01005 put_be32(pb, 0x14); /* size (always 0x14) */ 01006 put_tag(pb, "vmhd"); 01007 put_be32(pb, 0x01); /* version & flags */ 01008 put_be64(pb, 0); /* reserved (graphics mode = copy) */ 01009 return 0x14; 01010 } 01011 01012 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track) 01013 { 01014 const char *hdlr, *descr = NULL, *hdlr_type = NULL; 01015 int64_t pos = url_ftell(pb); 01016 01017 if (!track) { /* no media --> data handler */ 01018 hdlr = "dhlr"; 01019 hdlr_type = "url "; 01020 descr = "DataHandler"; 01021 } else { 01022 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; 01023 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { 01024 hdlr_type = "vide"; 01025 descr = "VideoHandler"; 01026 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { 01027 hdlr_type = "soun"; 01028 descr = "SoundHandler"; 01029 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { 01030 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl"; 01031 else hdlr_type = "text"; 01032 descr = "SubtitleHandler"; 01033 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { 01034 hdlr_type = "hint"; 01035 descr = "HintHandler"; 01036 } 01037 } 01038 01039 put_be32(pb, 0); /* size */ 01040 put_tag(pb, "hdlr"); 01041 put_be32(pb, 0); /* Version & flags */ 01042 put_buffer(pb, hdlr, 4); /* handler */ 01043 put_tag(pb, hdlr_type); /* handler type */ 01044 put_be32(pb ,0); /* reserved */ 01045 put_be32(pb ,0); /* reserved */ 01046 put_be32(pb ,0); /* reserved */ 01047 if (!track || track->mode == MODE_MOV) 01048 put_byte(pb, strlen(descr)); /* pascal string */ 01049 put_buffer(pb, descr, strlen(descr)); /* handler description */ 01050 if (track && track->mode != MODE_MOV) 01051 put_byte(pb, 0); /* c string */ 01052 return updateSize(pb, pos); 01053 } 01054 01055 static int mov_write_hmhd_tag(ByteIOContext *pb) 01056 { 01057 /* This atom must be present, but leaving the values at zero 01058 * seems harmless. */ 01059 put_be32(pb, 28); /* size */ 01060 put_tag(pb, "hmhd"); 01061 put_be32(pb, 0); /* version, flags */ 01062 put_be16(pb, 0); /* maxPDUsize */ 01063 put_be16(pb, 0); /* avgPDUsize */ 01064 put_be32(pb, 0); /* maxbitrate */ 01065 put_be32(pb, 0); /* avgbitrate */ 01066 put_be32(pb, 0); /* reserved */ 01067 return 28; 01068 } 01069 01070 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track) 01071 { 01072 int64_t pos = url_ftell(pb); 01073 put_be32(pb, 0); /* size */ 01074 put_tag(pb, "minf"); 01075 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO) 01076 mov_write_vmhd_tag(pb); 01077 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 01078 mov_write_smhd_tag(pb); 01079 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { 01080 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb); 01081 else mov_write_nmhd_tag(pb); 01082 } else if (track->tag == MKTAG('r','t','p',' ')) { 01083 mov_write_hmhd_tag(pb); 01084 } 01085 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ 01086 mov_write_hdlr_tag(pb, NULL); 01087 mov_write_dinf_tag(pb); 01088 mov_write_stbl_tag(pb, track); 01089 return updateSize(pb, pos); 01090 } 01091 01092 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track) 01093 { 01094 int version = track->trackDuration < INT32_MAX ? 0 : 1; 01095 01096 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */ 01097 put_tag(pb, "mdhd"); 01098 put_byte(pb, version); 01099 put_be24(pb, 0); /* flags */ 01100 if (version == 1) { 01101 put_be64(pb, track->time); 01102 put_be64(pb, track->time); 01103 } else { 01104 put_be32(pb, track->time); /* creation time */ 01105 put_be32(pb, track->time); /* modification time */ 01106 } 01107 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */ 01108 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */ 01109 put_be16(pb, track->language); /* language */ 01110 put_be16(pb, 0); /* reserved (quality) */ 01111 01112 if(version!=0 && track->mode == MODE_MOV){ 01113 av_log(NULL, AV_LOG_ERROR, 01114 "FATAL error, file duration too long for timebase, this file will not be\n" 01115 "playable with quicktime. Choose a different timebase or a different\n" 01116 "container format\n"); 01117 } 01118 01119 return 32; 01120 } 01121 01122 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track) 01123 { 01124 int64_t pos = url_ftell(pb); 01125 put_be32(pb, 0); /* size */ 01126 put_tag(pb, "mdia"); 01127 mov_write_mdhd_tag(pb, track); 01128 mov_write_hdlr_tag(pb, track); 01129 mov_write_minf_tag(pb, track); 01130 return updateSize(pb, pos); 01131 } 01132 01133 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) 01134 { 01135 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, 01136 track->timescale, AV_ROUND_UP); 01137 int version = duration < INT32_MAX ? 0 : 1; 01138 01139 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */ 01140 put_tag(pb, "tkhd"); 01141 put_byte(pb, version); 01142 put_be24(pb, 0xf); /* flags (track enabled) */ 01143 if (version == 1) { 01144 put_be64(pb, track->time); 01145 put_be64(pb, track->time); 01146 } else { 01147 put_be32(pb, track->time); /* creation time */ 01148 put_be32(pb, track->time); /* modification time */ 01149 } 01150 put_be32(pb, track->trackID); /* track-id */ 01151 put_be32(pb, 0); /* reserved */ 01152 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration); 01153 01154 put_be32(pb, 0); /* reserved */ 01155 put_be32(pb, 0); /* reserved */ 01156 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */ 01157 /* Volume, only for audio */ 01158 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO) 01159 put_be16(pb, 0x0100); 01160 else 01161 put_be16(pb, 0); 01162 put_be16(pb, 0); /* reserved */ 01163 01164 /* Matrix structure */ 01165 put_be32(pb, 0x00010000); /* reserved */ 01166 put_be32(pb, 0x0); /* reserved */ 01167 put_be32(pb, 0x0); /* reserved */ 01168 put_be32(pb, 0x0); /* reserved */ 01169 put_be32(pb, 0x00010000); /* reserved */ 01170 put_be32(pb, 0x0); /* reserved */ 01171 put_be32(pb, 0x0); /* reserved */ 01172 put_be32(pb, 0x0); /* reserved */ 01173 put_be32(pb, 0x40000000); /* reserved */ 01174 01175 /* Track width and height, for visual only */ 01176 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO || 01177 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { 01178 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); 01179 if(!sample_aspect_ratio || track->height != track->enc->height) 01180 sample_aspect_ratio = 1; 01181 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000); 01182 put_be32(pb, track->height*0x10000); 01183 } 01184 else { 01185 put_be32(pb, 0); 01186 put_be32(pb, 0); 01187 } 01188 return 0x5c; 01189 } 01190 01191 // This box seems important for the psp playback ... without it the movie seems to hang 01192 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track) 01193 { 01194 put_be32(pb, 0x24); /* size */ 01195 put_tag(pb, "edts"); 01196 put_be32(pb, 0x1c); /* size */ 01197 put_tag(pb, "elst"); 01198 put_be32(pb, 0x0); 01199 put_be32(pb, 0x1); 01200 01201 /* duration ... doesn't seem to effect psp */ 01202 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE, 01203 track->timescale, AV_ROUND_UP)); 01204 01205 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */ 01206 put_be32(pb, 0x00010000); 01207 return 0x24; 01208 } 01209 01210 static int mov_write_tref_tag(ByteIOContext *pb, MOVTrack *track) 01211 { 01212 put_be32(pb, 20); // size 01213 put_tag(pb, "tref"); 01214 put_be32(pb, 12); // size (subatom) 01215 put_le32(pb, track->tref_tag); 01216 put_be32(pb, track->tref_id); 01217 return 20; 01218 } 01219 01220 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it) 01221 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov) 01222 { 01223 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */ 01224 put_tag(pb, "uuid"); 01225 put_tag(pb, "USMT"); 01226 put_be32(pb, 0x21d24fce); 01227 put_be32(pb, 0xbb88695c); 01228 put_be32(pb, 0xfac9c740); 01229 put_be32(pb, 0x1c); // another size here! 01230 put_tag(pb, "MTDT"); 01231 put_be32(pb, 0x00010012); 01232 put_be32(pb, 0x0a); 01233 put_be32(pb, 0x55c40000); 01234 put_be32(pb, 0x1); 01235 put_be32(pb, 0x0); 01236 return 0x34; 01237 } 01238 01239 static int mov_write_udta_sdp(ByteIOContext *pb, AVCodecContext *ctx, int index) 01240 { 01241 char buf[1000] = ""; 01242 int len; 01243 01244 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, 0, 0); 01245 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index); 01246 len = strlen(buf); 01247 01248 put_be32(pb, len + 24); 01249 put_tag (pb, "udta"); 01250 put_be32(pb, len + 16); 01251 put_tag (pb, "hnti"); 01252 put_be32(pb, len + 8); 01253 put_tag (pb, "sdp "); 01254 put_buffer(pb, buf, len); 01255 return len + 24; 01256 } 01257 01258 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st) 01259 { 01260 int64_t pos = url_ftell(pb); 01261 put_be32(pb, 0); /* size */ 01262 put_tag(pb, "trak"); 01263 mov_write_tkhd_tag(pb, track, st); 01264 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS) 01265 mov_write_edts_tag(pb, track); // PSP Movies require edts box 01266 if (track->tref_tag) 01267 mov_write_tref_tag(pb, track); 01268 mov_write_mdia_tag(pb, track); 01269 if (track->mode == MODE_PSP) 01270 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box 01271 if (track->tag == MKTAG('r','t','p',' ')) 01272 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID); 01273 return updateSize(pb, pos); 01274 } 01275 01276 #if 0 01277 /* TODO: Not sorted out, but not necessary either */ 01278 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov) 01279 { 01280 put_be32(pb, 0x15); /* size */ 01281 put_tag(pb, "iods"); 01282 put_be32(pb, 0); /* version & flags */ 01283 put_be16(pb, 0x1007); 01284 put_byte(pb, 0); 01285 put_be16(pb, 0x4fff); 01286 put_be16(pb, 0xfffe); 01287 put_be16(pb, 0x01ff); 01288 return 0x15; 01289 } 01290 #endif 01291 01292 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov) 01293 { 01294 int maxTrackID = 1, i; 01295 int64_t maxTrackLenTemp, maxTrackLen = 0; 01296 int version; 01297 01298 for (i=0; i<mov->nb_streams; i++) { 01299 if(mov->tracks[i].entry > 0) { 01300 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, 01301 MOV_TIMESCALE, 01302 mov->tracks[i].timescale, 01303 AV_ROUND_UP); 01304 if(maxTrackLen < maxTrackLenTemp) 01305 maxTrackLen = maxTrackLenTemp; 01306 if(maxTrackID < mov->tracks[i].trackID) 01307 maxTrackID = mov->tracks[i].trackID; 01308 } 01309 } 01310 01311 version = maxTrackLen < UINT32_MAX ? 0 : 1; 01312 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */ 01313 put_tag(pb, "mvhd"); 01314 put_byte(pb, version); 01315 put_be24(pb, 0); /* flags */ 01316 if (version == 1) { 01317 put_be64(pb, mov->time); 01318 put_be64(pb, mov->time); 01319 } else { 01320 put_be32(pb, mov->time); /* creation time */ 01321 put_be32(pb, mov->time); /* modification time */ 01322 } 01323 put_be32(pb, MOV_TIMESCALE); 01324 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */ 01325 01326 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ 01327 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ 01328 put_be16(pb, 0); /* reserved */ 01329 put_be32(pb, 0); /* reserved */ 01330 put_be32(pb, 0); /* reserved */ 01331 01332 /* Matrix structure */ 01333 put_be32(pb, 0x00010000); /* reserved */ 01334 put_be32(pb, 0x0); /* reserved */ 01335 put_be32(pb, 0x0); /* reserved */ 01336 put_be32(pb, 0x0); /* reserved */ 01337 put_be32(pb, 0x00010000); /* reserved */ 01338 put_be32(pb, 0x0); /* reserved */ 01339 put_be32(pb, 0x0); /* reserved */ 01340 put_be32(pb, 0x0); /* reserved */ 01341 put_be32(pb, 0x40000000); /* reserved */ 01342 01343 put_be32(pb, 0); /* reserved (preview time) */ 01344 put_be32(pb, 0); /* reserved (preview duration) */ 01345 put_be32(pb, 0); /* reserved (poster time) */ 01346 put_be32(pb, 0); /* reserved (selection time) */ 01347 put_be32(pb, 0); /* reserved (selection duration) */ 01348 put_be32(pb, 0); /* reserved (current time) */ 01349 put_be32(pb, maxTrackID+1); /* Next track id */ 01350 return 0x6c; 01351 } 01352 01353 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov, 01354 AVFormatContext *s) 01355 { 01356 put_be32(pb, 33); /* size */ 01357 put_tag(pb, "hdlr"); 01358 put_be32(pb, 0); 01359 put_be32(pb, 0); 01360 put_tag(pb, "mdir"); 01361 put_tag(pb, "appl"); 01362 put_be32(pb, 0); 01363 put_be32(pb, 0); 01364 put_byte(pb, 0); 01365 return 33; 01366 } 01367 01368 /* helper function to write a data tag with the specified string as data */ 01369 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style) 01370 { 01371 if(long_style){ 01372 int size = 16 + strlen(data); 01373 put_be32(pb, size); /* size */ 01374 put_tag(pb, "data"); 01375 put_be32(pb, 1); 01376 put_be32(pb, 0); 01377 put_buffer(pb, data, strlen(data)); 01378 return size; 01379 }else{ 01380 if (!lang) 01381 lang = ff_mov_iso639_to_lang("und", 1); 01382 put_be16(pb, strlen(data)); /* string length */ 01383 put_be16(pb, lang); 01384 put_buffer(pb, data, strlen(data)); 01385 return strlen(data) + 4; 01386 } 01387 } 01388 01389 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){ 01390 int size = 0; 01391 if (value && value[0]) { 01392 int64_t pos = url_ftell(pb); 01393 put_be32(pb, 0); /* size */ 01394 put_tag(pb, name); 01395 mov_write_string_data_tag(pb, value, lang, long_style); 01396 size= updateSize(pb, pos); 01397 } 01398 return size; 01399 } 01400 01401 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb, 01402 const char *name, const char *tag, 01403 int long_style) 01404 { 01405 int l, lang = 0, len, len2; 01406 AVMetadataTag *t, *t2 = NULL; 01407 char tag2[16]; 01408 01409 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0))) 01410 return 0; 01411 01412 len = strlen(t->key); 01413 snprintf(tag2, sizeof(tag2), "%s-", tag); 01414 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) { 01415 len2 = strlen(t2->key); 01416 if (len2 == len+4 && !strcmp(t->value, t2->value) 01417 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) { 01418 lang = l; 01419 break; 01420 } 01421 } 01422 return mov_write_string_tag(pb, name, t->value, lang, long_style); 01423 } 01424 01425 /* iTunes track number */ 01426 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov, 01427 AVFormatContext *s) 01428 { 01429 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0); 01430 int size = 0, track = t ? atoi(t->value) : 0; 01431 if (track) { 01432 put_be32(pb, 32); /* size */ 01433 put_tag(pb, "trkn"); 01434 put_be32(pb, 24); /* size */ 01435 put_tag(pb, "data"); 01436 put_be32(pb, 0); // 8 bytes empty 01437 put_be32(pb, 0); 01438 put_be16(pb, 0); // empty 01439 put_be16(pb, track); // track number 01440 put_be16(pb, 0); // total track number 01441 put_be16(pb, 0); // empty 01442 size = 32; 01443 } 01444 return size; 01445 } 01446 01447 /* iTunes meta data list */ 01448 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov, 01449 AVFormatContext *s) 01450 { 01451 int64_t pos = url_ftell(pb); 01452 put_be32(pb, 0); /* size */ 01453 put_tag(pb, "ilst"); 01454 mov_write_string_metadata(s, pb, "\251nam", "title" , 1); 01455 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1); 01456 mov_write_string_metadata(s, pb, "aART", "album_artist", 1); 01457 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); 01458 mov_write_string_metadata(s, pb, "\251alb", "album" , 1); 01459 mov_write_string_metadata(s, pb, "\251day", "date" , 1); 01460 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); 01461 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); 01462 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); 01463 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); 01464 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); 01465 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); 01466 mov_write_string_metadata(s, pb, "desc", "description",1); 01467 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); 01468 mov_write_string_metadata(s, pb, "tvsh", "show" , 1); 01469 mov_write_string_metadata(s, pb, "tven", "episode_id",1); 01470 mov_write_string_metadata(s, pb, "tvnn", "network" , 1); 01471 mov_write_trkn_tag(pb, mov, s); 01472 return updateSize(pb, pos); 01473 } 01474 01475 /* iTunes meta data tag */ 01476 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov, 01477 AVFormatContext *s) 01478 { 01479 int size = 0; 01480 int64_t pos = url_ftell(pb); 01481 put_be32(pb, 0); /* size */ 01482 put_tag(pb, "meta"); 01483 put_be32(pb, 0); 01484 mov_write_itunes_hdlr_tag(pb, mov, s); 01485 mov_write_ilst_tag(pb, mov, s); 01486 size = updateSize(pb, pos); 01487 return size; 01488 } 01489 01490 static int utf8len(const uint8_t *b) 01491 { 01492 int len=0; 01493 int val; 01494 while(*b){ 01495 GET_UTF8(val, *b++, return -1;) 01496 len++; 01497 } 01498 return len; 01499 } 01500 01501 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b) 01502 { 01503 int val; 01504 while(*b){ 01505 GET_UTF8(val, *b++, return -1;) 01506 put_be16(pb, val); 01507 } 01508 put_be16(pb, 0x00); 01509 return 0; 01510 } 01511 01512 static uint16_t language_code(const char *str) 01513 { 01514 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F); 01515 } 01516 01517 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s, 01518 const char *tag, const char *str) 01519 { 01520 int64_t pos = url_ftell(pb); 01521 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0); 01522 if (!t || !utf8len(t->value)) 01523 return 0; 01524 put_be32(pb, 0); /* size */ 01525 put_tag (pb, tag); /* type */ 01526 put_be32(pb, 0); /* version + flags */ 01527 if (!strcmp(tag, "yrrc")) 01528 put_be16(pb, atoi(t->value)); 01529 else { 01530 put_be16(pb, language_code("eng")); /* language */ 01531 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */ 01532 if (!strcmp(tag, "albm") && 01533 (t = av_metadata_get(s->metadata, "date", NULL, 0))) 01534 put_byte(pb, atoi(t->value)); 01535 } 01536 return updateSize(pb, pos); 01537 } 01538 01539 static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s) 01540 { 01541 int64_t pos = url_ftell(pb); 01542 int i, nb_chapters = FFMIN(s->nb_chapters, 255); 01543 01544 put_be32(pb, 0); // size 01545 put_tag (pb, "chpl"); 01546 put_be32(pb, 0x01000000); // version + flags 01547 put_be32(pb, 0); // unknown 01548 put_byte(pb, nb_chapters); 01549 01550 for (i = 0; i < nb_chapters; i++) { 01551 AVChapter *c = s->chapters[i]; 01552 AVMetadataTag *t; 01553 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); 01554 01555 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) { 01556 int len = FFMIN(strlen(t->value), 255); 01557 put_byte(pb, len); 01558 put_buffer(pb, t->value, len); 01559 } else 01560 put_byte(pb, 0); 01561 } 01562 return updateSize(pb, pos); 01563 } 01564 01565 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov, 01566 AVFormatContext *s) 01567 { 01568 ByteIOContext *pb_buf; 01569 int i, ret, size; 01570 uint8_t *buf; 01571 01572 for (i = 0; i < s->nb_streams; i++) 01573 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) { 01574 return 0; 01575 } 01576 01577 ret = url_open_dyn_buf(&pb_buf); 01578 if(ret < 0) 01579 return ret; 01580 01581 if (mov->mode & MODE_3GP) { 01582 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); 01583 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); 01584 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); 01585 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); 01586 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); 01587 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); 01588 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); 01589 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); 01590 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 01591 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0); 01592 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0); 01593 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0); 01594 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0); 01595 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0); 01596 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0); 01597 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0); 01598 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0); 01599 } else { 01600 /* iTunes meta data */ 01601 mov_write_meta_tag(pb_buf, mov, s); 01602 } 01603 01604 if (s->nb_chapters) 01605 mov_write_chpl_tag(pb_buf, s); 01606 01607 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) { 01608 put_be32(pb, size+8); 01609 put_tag(pb, "udta"); 01610 put_buffer(pb, buf, size); 01611 av_free(buf); 01612 } 01613 01614 return 0; 01615 } 01616 01617 static void mov_write_psp_udta_tag(ByteIOContext *pb, 01618 const char *str, const char *lang, int type) 01619 { 01620 int len = utf8len(str)+1; 01621 if(len<=0) 01622 return; 01623 put_be16(pb, len*2+10); /* size */ 01624 put_be32(pb, type); /* type */ 01625 put_be16(pb, language_code(lang)); /* language */ 01626 put_be16(pb, 0x01); /* ? */ 01627 ascii_to_wc(pb, str); 01628 } 01629 01630 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s) 01631 { 01632 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0); 01633 int64_t pos, pos2; 01634 01635 if (title) { 01636 pos = url_ftell(pb); 01637 put_be32(pb, 0); /* size placeholder*/ 01638 put_tag(pb, "uuid"); 01639 put_tag(pb, "USMT"); 01640 put_be32(pb, 0x21d24fce); /* 96 bit UUID */ 01641 put_be32(pb, 0xbb88695c); 01642 put_be32(pb, 0xfac9c740); 01643 01644 pos2 = url_ftell(pb); 01645 put_be32(pb, 0); /* size placeholder*/ 01646 put_tag(pb, "MTDT"); 01647 put_be16(pb, 4); 01648 01649 // ? 01650 put_be16(pb, 0x0C); /* size */ 01651 put_be32(pb, 0x0B); /* type */ 01652 put_be16(pb, language_code("und")); /* language */ 01653 put_be16(pb, 0x0); /* ? */ 01654 put_be16(pb, 0x021C); /* data */ 01655 01656 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); 01657 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); 01658 // 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); 01659 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); 01660 01661 updateSize(pb, pos2); 01662 return updateSize(pb, pos); 01663 } 01664 01665 return 0; 01666 } 01667 01668 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov, 01669 AVFormatContext *s) 01670 { 01671 int i; 01672 int64_t pos = url_ftell(pb); 01673 put_be32(pb, 0); /* size placeholder*/ 01674 put_tag(pb, "moov"); 01675 01676 for (i=0; i<mov->nb_streams; i++) { 01677 if(mov->tracks[i].entry <= 0) continue; 01678 01679 mov->tracks[i].time = mov->time; 01680 mov->tracks[i].trackID = i+1; 01681 } 01682 01683 if (mov->chapter_track) 01684 for (i=0; i<s->nb_streams; i++) { 01685 mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); 01686 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID; 01687 } 01688 for (i = 0; i < mov->nb_streams; i++) { 01689 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { 01690 mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); 01691 mov->tracks[i].tref_id = 01692 mov->tracks[mov->tracks[i].src_track].trackID; 01693 } 01694 } 01695 01696 mov_write_mvhd_tag(pb, mov); 01697 //mov_write_iods_tag(pb, mov); 01698 for (i=0; i<mov->nb_streams; i++) { 01699 if(mov->tracks[i].entry > 0) { 01700 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); 01701 } 01702 } 01703 01704 if (mov->mode == MODE_PSP) 01705 mov_write_uuidusmt_tag(pb, s); 01706 else 01707 mov_write_udta_tag(pb, mov, s); 01708 01709 return updateSize(pb, pos); 01710 } 01711 01712 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov) 01713 { 01714 put_be32(pb, 8); // placeholder for extended size field (64 bit) 01715 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free"); 01716 01717 mov->mdat_pos = url_ftell(pb); 01718 put_be32(pb, 0); /* size placeholder*/ 01719 put_tag(pb, "mdat"); 01720 return 0; 01721 } 01722 01723 /* TODO: This needs to be more general */ 01724 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s) 01725 { 01726 MOVMuxContext *mov = s->priv_data; 01727 int64_t pos = url_ftell(pb); 01728 int has_h264 = 0, has_video = 0; 01729 int minor = 0x200; 01730 int i; 01731 01732 for (i = 0; i < s->nb_streams; i++) { 01733 AVStream *st = s->streams[i]; 01734 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) 01735 has_video = 1; 01736 if (st->codec->codec_id == CODEC_ID_H264) 01737 has_h264 = 1; 01738 } 01739 01740 put_be32(pb, 0); /* size */ 01741 put_tag(pb, "ftyp"); 01742 01743 if (mov->mode == MODE_3GP) { 01744 put_tag(pb, has_h264 ? "3gp6" : "3gp4"); 01745 minor = has_h264 ? 0x100 : 0x200; 01746 } else if (mov->mode & MODE_3G2) { 01747 put_tag(pb, has_h264 ? "3g2b" : "3g2a"); 01748 minor = has_h264 ? 0x20000 : 0x10000; 01749 }else if (mov->mode == MODE_PSP) 01750 put_tag(pb, "MSNV"); 01751 else if (mov->mode == MODE_MP4) 01752 put_tag(pb, "isom"); 01753 else if (mov->mode == MODE_IPOD) 01754 put_tag(pb, has_video ? "M4V ":"M4A "); 01755 else 01756 put_tag(pb, "qt "); 01757 01758 put_be32(pb, minor); 01759 01760 if(mov->mode == MODE_MOV) 01761 put_tag(pb, "qt "); 01762 else{ 01763 put_tag(pb, "isom"); 01764 put_tag(pb, "iso2"); 01765 if(has_h264) 01766 put_tag(pb, "avc1"); 01767 } 01768 01769 if (mov->mode == MODE_3GP) 01770 put_tag(pb, has_h264 ? "3gp6":"3gp4"); 01771 else if (mov->mode & MODE_3G2) 01772 put_tag(pb, has_h264 ? "3g2b":"3g2a"); 01773 else if (mov->mode == MODE_PSP) 01774 put_tag(pb, "MSNV"); 01775 else if (mov->mode == MODE_MP4) 01776 put_tag(pb, "mp41"); 01777 return updateSize(pb, pos); 01778 } 01779 01780 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s) 01781 { 01782 AVCodecContext *VideoCodec = s->streams[0]->codec; 01783 AVCodecContext *AudioCodec = s->streams[1]->codec; 01784 int AudioRate = AudioCodec->sample_rate; 01785 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); 01786 int audio_kbitrate= AudioCodec->bit_rate / 1000; 01787 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate); 01788 01789 put_be32(pb, 0x94); /* size */ 01790 put_tag(pb, "uuid"); 01791 put_tag(pb, "PROF"); 01792 01793 put_be32(pb, 0x21d24fce); /* 96 bit UUID */ 01794 put_be32(pb, 0xbb88695c); 01795 put_be32(pb, 0xfac9c740); 01796 01797 put_be32(pb, 0x0); /* ? */ 01798 put_be32(pb, 0x3); /* 3 sections ? */ 01799 01800 put_be32(pb, 0x14); /* size */ 01801 put_tag(pb, "FPRF"); 01802 put_be32(pb, 0x0); /* ? */ 01803 put_be32(pb, 0x0); /* ? */ 01804 put_be32(pb, 0x0); /* ? */ 01805 01806 put_be32(pb, 0x2c); /* size */ 01807 put_tag(pb, "APRF"); /* audio */ 01808 put_be32(pb, 0x0); 01809 put_be32(pb, 0x2); /* TrackID */ 01810 put_tag(pb, "mp4a"); 01811 put_be32(pb, 0x20f); 01812 put_be32(pb, 0x0); 01813 put_be32(pb, audio_kbitrate); 01814 put_be32(pb, audio_kbitrate); 01815 put_be32(pb, AudioRate); 01816 put_be32(pb, AudioCodec->channels); 01817 01818 put_be32(pb, 0x34); /* size */ 01819 put_tag(pb, "VPRF"); /* video */ 01820 put_be32(pb, 0x0); 01821 put_be32(pb, 0x1); /* TrackID */ 01822 if (VideoCodec->codec_id == CODEC_ID_H264) { 01823 put_tag(pb, "avc1"); 01824 put_be16(pb, 0x014D); 01825 put_be16(pb, 0x0015); 01826 } else { 01827 put_tag(pb, "mp4v"); 01828 put_be16(pb, 0x0000); 01829 put_be16(pb, 0x0103); 01830 } 01831 put_be32(pb, 0x0); 01832 put_be32(pb, video_kbitrate); 01833 put_be32(pb, video_kbitrate); 01834 put_be32(pb, FrameRate); 01835 put_be32(pb, FrameRate); 01836 put_be16(pb, VideoCodec->width); 01837 put_be16(pb, VideoCodec->height); 01838 put_be32(pb, 0x010001); /* ? */ 01839 } 01840 01841 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) 01842 { 01843 uint32_t c = -1; 01844 int i, closed_gop = 0; 01845 01846 for (i = 0; i < pkt->size - 4; i++) { 01847 c = (c<<8) + pkt->data[i]; 01848 if (c == 0x1b8) { // gop 01849 closed_gop = pkt->data[i+4]>>6 & 0x01; 01850 } else if (c == 0x100) { // pic 01851 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6); 01852 if (!temp_ref || closed_gop) // I picture is not reordered 01853 *flags = MOV_SYNC_SAMPLE; 01854 else 01855 *flags = MOV_PARTIAL_SYNC_SAMPLE; 01856 break; 01857 } 01858 } 01859 return 0; 01860 } 01861 01862 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) 01863 { 01864 MOVMuxContext *mov = s->priv_data; 01865 ByteIOContext *pb = s->pb; 01866 MOVTrack *trk = &mov->tracks[pkt->stream_index]; 01867 AVCodecContext *enc = trk->enc; 01868 unsigned int samplesInChunk = 0; 01869 int size= pkt->size; 01870 01871 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */ 01872 if (!size) return 0; /* Discard 0 sized packets */ 01873 01874 if (enc->codec_id == CODEC_ID_AMR_NB) { 01875 /* We must find out how many AMR blocks there are in one packet */ 01876 static uint16_t packed_size[16] = 01877 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0}; 01878 int len = 0; 01879 01880 while (len < size && samplesInChunk < 100) { 01881 len += packed_size[(pkt->data[len] >> 3) & 0x0F]; 01882 samplesInChunk++; 01883 } 01884 if(samplesInChunk > 1){ 01885 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); 01886 return -1; 01887 } 01888 } else if (trk->sampleSize) 01889 samplesInChunk = size/trk->sampleSize; 01890 else 01891 samplesInChunk = 1; 01892 01893 /* copy extradata if it exists */ 01894 if (trk->vosLen == 0 && enc->extradata_size > 0) { 01895 trk->vosLen = enc->extradata_size; 01896 trk->vosData = av_malloc(trk->vosLen); 01897 memcpy(trk->vosData, enc->extradata, trk->vosLen); 01898 } 01899 01900 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) { 01901 /* from x264 or from bytestream h264 */ 01902 /* nal reformating needed */ 01903 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); 01904 } else { 01905 put_buffer(pb, pkt->data, size); 01906 } 01907 01908 if ((enc->codec_id == CODEC_ID_DNXHD || 01909 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) { 01910 /* copy frame to create needed atoms */ 01911 trk->vosLen = size; 01912 trk->vosData = av_malloc(size); 01913 if (!trk->vosData) 01914 return AVERROR(ENOMEM); 01915 memcpy(trk->vosData, pkt->data, size); 01916 } 01917 01918 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) { 01919 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster)); 01920 if (!trk->cluster) 01921 return -1; 01922 } 01923 01924 trk->cluster[trk->entry].pos = url_ftell(pb) - size; 01925 trk->cluster[trk->entry].samplesInChunk = samplesInChunk; 01926 trk->cluster[trk->entry].size = size; 01927 trk->cluster[trk->entry].entries = samplesInChunk; 01928 trk->cluster[trk->entry].dts = pkt->dts; 01929 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration; 01930 01931 if (pkt->pts == AV_NOPTS_VALUE) { 01932 av_log(s, AV_LOG_WARNING, "pts has no value\n"); 01933 pkt->pts = pkt->dts; 01934 } 01935 if (pkt->dts != pkt->pts) 01936 trk->flags |= MOV_TRACK_CTTS; 01937 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; 01938 trk->cluster[trk->entry].flags = 0; 01939 if (pkt->flags & AV_PKT_FLAG_KEY) { 01940 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) { 01941 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); 01942 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE) 01943 trk->flags |= MOV_TRACK_STPS; 01944 } else { 01945 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; 01946 } 01947 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE) 01948 trk->hasKeyframes++; 01949 } 01950 trk->entry++; 01951 trk->sampleCount += samplesInChunk; 01952 mov->mdat_size += size; 01953 01954 put_flush_packet(pb); 01955 01956 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) 01957 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry); 01958 return 0; 01959 } 01960 01961 // QuickTime chapters involve an additional text track with the chapter names 01962 // as samples, and a tref pointing from the other tracks to the chapter one. 01963 static void mov_create_chapter_track(AVFormatContext *s, int tracknum) 01964 { 01965 MOVMuxContext *mov = s->priv_data; 01966 MOVTrack *track = &mov->tracks[tracknum]; 01967 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; 01968 int i, len; 01969 01970 track->mode = mov->mode; 01971 track->tag = MKTAG('t','e','x','t'); 01972 track->timescale = MOV_TIMESCALE; 01973 track->enc = avcodec_alloc_context(); 01974 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; 01975 01976 for (i = 0; i < s->nb_chapters; i++) { 01977 AVChapter *c = s->chapters[i]; 01978 AVMetadataTag *t; 01979 01980 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE}); 01981 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE}); 01982 pkt.duration = end - pkt.dts; 01983 01984 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) { 01985 len = strlen(t->value); 01986 pkt.size = len+2; 01987 pkt.data = av_malloc(pkt.size); 01988 AV_WB16(pkt.data, len); 01989 memcpy(pkt.data+2, t->value, len); 01990 ff_mov_write_packet(s, &pkt); 01991 av_freep(&pkt.data); 01992 } 01993 } 01994 } 01995 01996 static int mov_write_header(AVFormatContext *s) 01997 { 01998 ByteIOContext *pb = s->pb; 01999 MOVMuxContext *mov = s->priv_data; 02000 int i, hint_track = 0; 02001 02002 if (url_is_streamed(s->pb)) { 02003 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); 02004 return -1; 02005 } 02006 02007 /* Default mode == MP4 */ 02008 mov->mode = MODE_MP4; 02009 02010 if (s->oformat != NULL) { 02011 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; 02012 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; 02013 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; 02014 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; 02015 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; 02016 02017 mov_write_ftyp_tag(pb,s); 02018 if (mov->mode == MODE_PSP) { 02019 if (s->nb_streams != 2) { 02020 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n"); 02021 return -1; 02022 } 02023 mov_write_uuidprof_tag(pb,s); 02024 } 02025 } 02026 02027 mov->nb_streams = s->nb_streams; 02028 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters) 02029 mov->chapter_track = mov->nb_streams++; 02030 02031 if (s->flags & AVFMT_FLAG_RTP_HINT) { 02032 /* Add hint tracks for each audio and video stream */ 02033 hint_track = mov->nb_streams; 02034 for (i = 0; i < s->nb_streams; i++) { 02035 AVStream *st = s->streams[i]; 02036 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || 02037 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { 02038 mov->nb_streams++; 02039 } 02040 } 02041 } 02042 02043 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks)); 02044 if (!mov->tracks) 02045 return AVERROR(ENOMEM); 02046 02047 for(i=0; i<s->nb_streams; i++){ 02048 AVStream *st= s->streams[i]; 02049 MOVTrack *track= &mov->tracks[i]; 02050 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0); 02051 02052 track->enc = st->codec; 02053 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); 02054 if (track->language < 0) 02055 track->language = 0; 02056 track->mode = mov->mode; 02057 track->tag = mov_find_codec_tag(s, track); 02058 if (!track->tag) { 02059 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, " 02060 "codec not currently supported in container\n", i); 02061 goto error; 02062 } 02063 /* If hinting of this track is enabled by a later hint track, 02064 * this is updated. */ 02065 track->hint_track = -1; 02066 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){ 02067 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || 02068 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || 02069 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { 02070 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { 02071 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); 02072 goto error; 02073 } 02074 track->height = track->tag>>24 == 'n' ? 486 : 576; 02075 } 02076 track->timescale = st->codec->time_base.den; 02077 if (track->mode == MODE_MOV && track->timescale > 100000) 02078 av_log(s, AV_LOG_WARNING, 02079 "WARNING codec timebase is very high. If duration is too long,\n" 02080 "file may not be playable by quicktime. Specify a shorter timebase\n" 02081 "or choose different container.\n"); 02082 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){ 02083 track->timescale = st->codec->sample_rate; 02084 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { 02085 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i); 02086 goto error; 02087 }else if(st->codec->frame_size > 1){ /* assume compressed audio */ 02088 track->audio_vbr = 1; 02089 }else{ 02090 st->codec->frame_size = 1; 02091 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; 02092 } 02093 if (track->mode != MODE_MOV) { 02094 if (track->timescale > UINT16_MAX) { 02095 av_log(s, AV_LOG_ERROR, "track %d: output format does not support " 02096 "sample rate %dhz\n", i, track->timescale); 02097 goto error; 02098 } 02099 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) { 02100 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n", 02101 i, track->enc->sample_rate); 02102 goto error; 02103 } 02104 } 02105 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){ 02106 track->timescale = st->codec->time_base.den; 02107 } 02108 if (!track->height) 02109 track->height = st->codec->height; 02110 02111 av_set_pts_info(st, 64, 1, track->timescale); 02112 } 02113 02114 mov_write_mdat_tag(pb, mov); 02115 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based 02116 02117 if (mov->chapter_track) 02118 mov_create_chapter_track(s, mov->chapter_track); 02119 02120 if (s->flags & AVFMT_FLAG_RTP_HINT) { 02121 /* Initialize the hint tracks for each audio and video stream */ 02122 for (i = 0; i < s->nb_streams; i++) { 02123 AVStream *st = s->streams[i]; 02124 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || 02125 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { 02126 ff_mov_init_hinting(s, hint_track, i); 02127 hint_track++; 02128 } 02129 } 02130 } 02131 02132 put_flush_packet(pb); 02133 02134 return 0; 02135 error: 02136 av_freep(&mov->tracks); 02137 return -1; 02138 } 02139 02140 static int mov_write_trailer(AVFormatContext *s) 02141 { 02142 MOVMuxContext *mov = s->priv_data; 02143 ByteIOContext *pb = s->pb; 02144 int res = 0; 02145 int i; 02146 02147 int64_t moov_pos = url_ftell(pb); 02148 02149 /* Write size of mdat tag */ 02150 if (mov->mdat_size+8 <= UINT32_MAX) { 02151 url_fseek(pb, mov->mdat_pos, SEEK_SET); 02152 put_be32(pb, mov->mdat_size+8); 02153 } else { 02154 /* overwrite 'wide' placeholder atom */ 02155 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET); 02156 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ 02157 put_tag(pb, "mdat"); 02158 put_be64(pb, mov->mdat_size+16); 02159 } 02160 url_fseek(pb, moov_pos, SEEK_SET); 02161 02162 mov_write_moov_tag(pb, mov, s); 02163 02164 if (mov->chapter_track) 02165 av_freep(&mov->tracks[mov->chapter_track].enc); 02166 02167 for (i=0; i<mov->nb_streams; i++) { 02168 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) 02169 ff_mov_close_hinting(&mov->tracks[i]); 02170 av_freep(&mov->tracks[i].cluster); 02171 02172 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData); 02173 02174 } 02175 02176 put_flush_packet(pb); 02177 02178 av_freep(&mov->tracks); 02179 02180 return res; 02181 } 02182 02183 #if CONFIG_MOV_MUXER 02184 AVOutputFormat mov_muxer = { 02185 "mov", 02186 NULL_IF_CONFIG_SMALL("MOV format"), 02187 NULL, 02188 "mov", 02189 sizeof(MOVMuxContext), 02190 CODEC_ID_AAC, 02191 CODEC_ID_MPEG4, 02192 mov_write_header, 02193 ff_mov_write_packet, 02194 mov_write_trailer, 02195 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, 02196 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0}, 02197 }; 02198 #endif 02199 #if CONFIG_TGP_MUXER 02200 AVOutputFormat tgp_muxer = { 02201 "3gp", 02202 NULL_IF_CONFIG_SMALL("3GP format"), 02203 NULL, 02204 "3gp", 02205 sizeof(MOVMuxContext), 02206 CODEC_ID_AMR_NB, 02207 CODEC_ID_H263, 02208 mov_write_header, 02209 ff_mov_write_packet, 02210 mov_write_trailer, 02211 .flags = AVFMT_GLOBALHEADER, 02212 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, 02213 }; 02214 #endif 02215 #if CONFIG_MP4_MUXER 02216 AVOutputFormat mp4_muxer = { 02217 "mp4", 02218 NULL_IF_CONFIG_SMALL("MP4 format"), 02219 "application/mp4", 02220 "mp4", 02221 sizeof(MOVMuxContext), 02222 CODEC_ID_AAC, 02223 CODEC_ID_MPEG4, 02224 mov_write_header, 02225 ff_mov_write_packet, 02226 mov_write_trailer, 02227 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS, 02228 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 02229 }; 02230 #endif 02231 #if CONFIG_PSP_MUXER 02232 AVOutputFormat psp_muxer = { 02233 "psp", 02234 NULL_IF_CONFIG_SMALL("PSP MP4 format"), 02235 NULL, 02236 "mp4,psp", 02237 sizeof(MOVMuxContext), 02238 CODEC_ID_AAC, 02239 CODEC_ID_MPEG4, 02240 mov_write_header, 02241 ff_mov_write_packet, 02242 mov_write_trailer, 02243 .flags = AVFMT_GLOBALHEADER, 02244 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0}, 02245 }; 02246 #endif 02247 #if CONFIG_TG2_MUXER 02248 AVOutputFormat tg2_muxer = { 02249 "3g2", 02250 NULL_IF_CONFIG_SMALL("3GP2 format"), 02251 NULL, 02252 "3g2", 02253 sizeof(MOVMuxContext), 02254 CODEC_ID_AMR_NB, 02255 CODEC_ID_H263, 02256 mov_write_header, 02257 ff_mov_write_packet, 02258 mov_write_trailer, 02259 .flags = AVFMT_GLOBALHEADER, 02260 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0}, 02261 }; 02262 #endif 02263 #if CONFIG_IPOD_MUXER 02264 AVOutputFormat ipod_muxer = { 02265 "ipod", 02266 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"), 02267 "application/mp4", 02268 "m4v,m4a", 02269 sizeof(MOVMuxContext), 02270 CODEC_ID_AAC, 02271 CODEC_ID_H264, 02272 mov_write_header, 02273 ff_mov_write_packet, 02274 mov_write_trailer, 02275 .flags = AVFMT_GLOBALHEADER, 02276 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0}, 02277 }; 02278 #endif