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00024 #include "movenc.h"
00025 #include "avformat.h"
00026 #include "avio_internal.h"
00027 #include "riff.h"
00028 #include "avio.h"
00029 #include "isom.h"
00030 #include "avc.h"
00031 #include "libavcodec/get_bits.h"
00032 #include "libavcodec/put_bits.h"
00033 #include "internal.h"
00034 #include "libavutil/avstring.h"
00035
00036 #undef NDEBUG
00037 #include <assert.h>
00038
00039
00040 static int64_t updateSize(AVIOContext *pb, int64_t pos)
00041 {
00042 int64_t curpos = avio_tell(pb);
00043 avio_seek(pb, pos, SEEK_SET);
00044 avio_wb32(pb, curpos - pos);
00045 avio_seek(pb, curpos, SEEK_SET);
00046
00047 return curpos - pos;
00048 }
00049
00050
00051 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
00052 {
00053 int i;
00054 int mode64 = 0;
00055 int64_t pos = avio_tell(pb);
00056 avio_wb32(pb, 0);
00057 if (pos > UINT32_MAX) {
00058 mode64 = 1;
00059 ffio_wfourcc(pb, "co64");
00060 } else
00061 ffio_wfourcc(pb, "stco");
00062 avio_wb32(pb, 0);
00063 avio_wb32(pb, track->entry);
00064 for (i=0; i<track->entry; i++) {
00065 if(mode64 == 1)
00066 avio_wb64(pb, track->cluster[i].pos);
00067 else
00068 avio_wb32(pb, track->cluster[i].pos);
00069 }
00070 return updateSize(pb, pos);
00071 }
00072
00073
00074 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
00075 {
00076 int equalChunks = 1;
00077 int i, j, entries = 0, tst = -1, oldtst = -1;
00078
00079 int64_t pos = avio_tell(pb);
00080 avio_wb32(pb, 0);
00081 ffio_wfourcc(pb, "stsz");
00082 avio_wb32(pb, 0);
00083
00084 for (i=0; i<track->entry; i++) {
00085 tst = track->cluster[i].size/track->cluster[i].entries;
00086 if(oldtst != -1 && tst != oldtst) {
00087 equalChunks = 0;
00088 }
00089 oldtst = tst;
00090 entries += track->cluster[i].entries;
00091 }
00092 if (equalChunks) {
00093 int sSize = track->cluster[0].size/track->cluster[0].entries;
00094 avio_wb32(pb, sSize);
00095 avio_wb32(pb, entries);
00096 }
00097 else {
00098 avio_wb32(pb, 0);
00099 avio_wb32(pb, entries);
00100 for (i=0; i<track->entry; i++) {
00101 for (j=0; j<track->cluster[i].entries; j++) {
00102 avio_wb32(pb, track->cluster[i].size /
00103 track->cluster[i].entries);
00104 }
00105 }
00106 }
00107 return updateSize(pb, pos);
00108 }
00109
00110
00111 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
00112 {
00113 int index = 0, oldval = -1, i;
00114 int64_t entryPos, curpos;
00115
00116 int64_t pos = avio_tell(pb);
00117 avio_wb32(pb, 0);
00118 ffio_wfourcc(pb, "stsc");
00119 avio_wb32(pb, 0);
00120 entryPos = avio_tell(pb);
00121 avio_wb32(pb, track->entry);
00122 for (i=0; i<track->entry; i++) {
00123 if(oldval != track->cluster[i].samplesInChunk)
00124 {
00125 avio_wb32(pb, i+1);
00126 avio_wb32(pb, track->cluster[i].samplesInChunk);
00127 avio_wb32(pb, 0x1);
00128 oldval = track->cluster[i].samplesInChunk;
00129 index++;
00130 }
00131 }
00132 curpos = avio_tell(pb);
00133 avio_seek(pb, entryPos, SEEK_SET);
00134 avio_wb32(pb, index);
00135 avio_seek(pb, curpos, SEEK_SET);
00136
00137 return updateSize(pb, pos);
00138 }
00139
00140
00141 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
00142 {
00143 int64_t curpos, entryPos;
00144 int i, index = 0;
00145 int64_t pos = avio_tell(pb);
00146 avio_wb32(pb, 0);
00147 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
00148 avio_wb32(pb, 0);
00149 entryPos = avio_tell(pb);
00150 avio_wb32(pb, track->entry);
00151 for (i=0; i<track->entry; i++) {
00152 if (track->cluster[i].flags & flag) {
00153 avio_wb32(pb, i+1);
00154 index++;
00155 }
00156 }
00157 curpos = avio_tell(pb);
00158 avio_seek(pb, entryPos, SEEK_SET);
00159 avio_wb32(pb, index);
00160 avio_seek(pb, curpos, SEEK_SET);
00161 return updateSize(pb, pos);
00162 }
00163
00164 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
00165 {
00166 avio_wb32(pb, 0x11);
00167 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
00168 else ffio_wfourcc(pb, "damr");
00169 ffio_wfourcc(pb, "FFMP");
00170 avio_w8(pb, 0);
00171
00172 avio_wb16(pb, 0x81FF);
00173 avio_w8(pb, 0x00);
00174 avio_w8(pb, 0x01);
00175 return 0x11;
00176 }
00177
00178 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
00179 {
00180 GetBitContext gbc;
00181 PutBitContext pbc;
00182 uint8_t buf[3];
00183 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
00184
00185 if (track->vosLen < 7)
00186 return -1;
00187
00188 avio_wb32(pb, 11);
00189 ffio_wfourcc(pb, "dac3");
00190
00191 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
00192 fscod = get_bits(&gbc, 2);
00193 frmsizecod = get_bits(&gbc, 6);
00194 bsid = get_bits(&gbc, 5);
00195 bsmod = get_bits(&gbc, 3);
00196 acmod = get_bits(&gbc, 3);
00197 if (acmod == 2) {
00198 skip_bits(&gbc, 2);
00199 } else {
00200 if ((acmod & 1) && acmod != 1)
00201 skip_bits(&gbc, 2);
00202 if (acmod & 4)
00203 skip_bits(&gbc, 2);
00204 }
00205 lfeon = get_bits1(&gbc);
00206
00207 init_put_bits(&pbc, buf, sizeof(buf));
00208 put_bits(&pbc, 2, fscod);
00209 put_bits(&pbc, 5, bsid);
00210 put_bits(&pbc, 3, bsmod);
00211 put_bits(&pbc, 3, acmod);
00212 put_bits(&pbc, 1, lfeon);
00213 put_bits(&pbc, 5, frmsizecod>>1);
00214 put_bits(&pbc, 5, 0);
00215
00216 flush_put_bits(&pbc);
00217 avio_write(pb, buf, sizeof(buf));
00218
00219 return 11;
00220 }
00221
00226 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
00227 {
00228 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
00229 return track->enc->extradata_size;
00230 }
00231
00232 static int mov_write_enda_tag(AVIOContext *pb)
00233 {
00234 avio_wb32(pb, 10);
00235 ffio_wfourcc(pb, "enda");
00236 avio_wb16(pb, 1);
00237 return 10;
00238 }
00239
00240 static unsigned int descrLength(unsigned int len)
00241 {
00242 int i;
00243 for(i=1; len>>(7*i); i++);
00244 return len + 1 + i;
00245 }
00246
00247 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
00248 {
00249 int i= descrLength(size) - size - 2;
00250 avio_w8(pb, tag);
00251 for(; i>0; i--)
00252 avio_w8(pb, (size>>(7*i)) | 0x80);
00253 avio_w8(pb, size & 0x7F);
00254 }
00255
00256 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track)
00257 {
00258 int64_t pos = avio_tell(pb);
00259 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
00260
00261 avio_wb32(pb, 0);
00262 ffio_wfourcc(pb, "esds");
00263 avio_wb32(pb, 0);
00264
00265
00266 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
00267 descrLength(1));
00268 avio_wb16(pb, track->trackID);
00269 avio_w8(pb, 0x00);
00270
00271
00272 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
00273
00274
00275 if ((track->enc->codec_id == CODEC_ID_MP2 ||
00276 track->enc->codec_id == CODEC_ID_MP3) &&
00277 track->enc->sample_rate > 24000)
00278 avio_w8(pb, 0x6B);
00279 else
00280 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
00281
00282
00283
00284 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
00285 avio_w8(pb, 0x15);
00286 else
00287 avio_w8(pb, 0x11);
00288
00289 avio_w8(pb, track->enc->rc_buffer_size>>(3+16));
00290 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF);
00291
00292 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate));
00293 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
00294 avio_wb32(pb, 0);
00295 else
00296 avio_wb32(pb, track->enc->rc_max_rate);
00297
00298 if (track->vosLen) {
00299
00300 putDescr(pb, 0x05, track->vosLen);
00301 avio_write(pb, track->vosData, track->vosLen);
00302 }
00303
00304
00305 putDescr(pb, 0x06, 1);
00306 avio_w8(pb, 0x02);
00307 return updateSize(pb, pos);
00308 }
00309
00310 static int mov_pcm_le_gt16(enum CodecID codec_id)
00311 {
00312 return codec_id == CODEC_ID_PCM_S24LE ||
00313 codec_id == CODEC_ID_PCM_S32LE ||
00314 codec_id == CODEC_ID_PCM_F32LE ||
00315 codec_id == CODEC_ID_PCM_F64LE;
00316 }
00317
00318 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
00319 {
00320 int64_t pos = avio_tell(pb);
00321 avio_wb32(pb, 0);
00322 avio_wl32(pb, track->tag);
00323 track->enc->codec_tag = av_bswap16(track->tag >> 16);
00324 ff_put_wav_header(pb, track->enc);
00325 return updateSize(pb, pos);
00326 }
00327
00328 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
00329 {
00330 int64_t pos = avio_tell(pb);
00331
00332 avio_wb32(pb, 0);
00333 ffio_wfourcc(pb, "wave");
00334
00335 avio_wb32(pb, 12);
00336 ffio_wfourcc(pb, "frma");
00337 avio_wl32(pb, track->tag);
00338
00339 if (track->enc->codec_id == CODEC_ID_AAC) {
00340
00341 avio_wb32(pb, 12);
00342 ffio_wfourcc(pb, "mp4a");
00343 avio_wb32(pb, 0);
00344 mov_write_esds_tag(pb, track);
00345 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
00346 mov_write_enda_tag(pb);
00347 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
00348 mov_write_amr_tag(pb, track);
00349 } else if (track->enc->codec_id == CODEC_ID_AC3) {
00350 mov_write_ac3_tag(pb, track);
00351 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
00352 mov_write_extradata_tag(pb, track);
00353 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
00354 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
00355 mov_write_ms_tag(pb, track);
00356 }
00357
00358 avio_wb32(pb, 8);
00359 avio_wb32(pb, 0);
00360
00361 return updateSize(pb, pos);
00362 }
00363
00364 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
00365 {
00366 avio_wb32(pb, track->vosLen+8);
00367 ffio_wfourcc(pb, "glbl");
00368 avio_write(pb, track->vosData, track->vosLen);
00369 return 8+track->vosLen;
00370 }
00371
00376 static int mov_get_lpcm_flags(enum CodecID codec_id)
00377 {
00378 switch (codec_id) {
00379 case CODEC_ID_PCM_F32BE:
00380 case CODEC_ID_PCM_F64BE:
00381 return 11;
00382 case CODEC_ID_PCM_F32LE:
00383 case CODEC_ID_PCM_F64LE:
00384 return 9;
00385 case CODEC_ID_PCM_U8:
00386 return 10;
00387 case CODEC_ID_PCM_S16BE:
00388 case CODEC_ID_PCM_S24BE:
00389 case CODEC_ID_PCM_S32BE:
00390 return 14;
00391 case CODEC_ID_PCM_S8:
00392 case CODEC_ID_PCM_S16LE:
00393 case CODEC_ID_PCM_S24LE:
00394 case CODEC_ID_PCM_S32LE:
00395 return 12;
00396 default:
00397 return 0;
00398 }
00399 }
00400
00401 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
00402 {
00403 int64_t pos = avio_tell(pb);
00404 int version = 0;
00405 uint32_t tag = track->tag;
00406
00407 if (track->mode == MODE_MOV) {
00408 if (track->timescale > UINT16_MAX) {
00409 if (mov_get_lpcm_flags(track->enc->codec_id))
00410 tag = AV_RL32("lpcm");
00411 version = 2;
00412 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
00413 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
00414 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
00415 version = 1;
00416 }
00417 }
00418
00419 avio_wb32(pb, 0);
00420 avio_wl32(pb, tag);
00421 avio_wb32(pb, 0);
00422 avio_wb16(pb, 0);
00423 avio_wb16(pb, 1);
00424
00425
00426 avio_wb16(pb, version);
00427 avio_wb16(pb, 0);
00428 avio_wb32(pb, 0);
00429
00430 if (version == 2) {
00431 avio_wb16(pb, 3);
00432 avio_wb16(pb, 16);
00433 avio_wb16(pb, 0xfffe);
00434 avio_wb16(pb, 0);
00435 avio_wb32(pb, 0x00010000);
00436 avio_wb32(pb, 72);
00437 avio_wb64(pb, av_dbl2int(track->timescale));
00438 avio_wb32(pb, track->enc->channels);
00439 avio_wb32(pb, 0x7F000000);
00440 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
00441 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
00442 avio_wb32(pb, track->sampleSize);
00443 avio_wb32(pb, track->enc->frame_size);
00444 } else {
00445 if (track->mode == MODE_MOV) {
00446 avio_wb16(pb, track->enc->channels);
00447 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
00448 track->enc->codec_id == CODEC_ID_PCM_S8)
00449 avio_wb16(pb, 8);
00450 else
00451 avio_wb16(pb, 16);
00452 avio_wb16(pb, track->audio_vbr ? -2 : 0);
00453 } else {
00454 avio_wb16(pb, 2);
00455 avio_wb16(pb, 16);
00456 avio_wb16(pb, 0);
00457 }
00458
00459 avio_wb16(pb, 0);
00460 avio_wb16(pb, track->timescale);
00461 avio_wb16(pb, 0);
00462 }
00463
00464 if(version == 1) {
00465 avio_wb32(pb, track->enc->frame_size);
00466 avio_wb32(pb, track->sampleSize / track->enc->channels);
00467 avio_wb32(pb, track->sampleSize);
00468 avio_wb32(pb, 2);
00469 }
00470
00471 if(track->mode == MODE_MOV &&
00472 (track->enc->codec_id == CODEC_ID_AAC ||
00473 track->enc->codec_id == CODEC_ID_AC3 ||
00474 track->enc->codec_id == CODEC_ID_AMR_NB ||
00475 track->enc->codec_id == CODEC_ID_ALAC ||
00476 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
00477 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
00478 mov_pcm_le_gt16(track->enc->codec_id)))
00479 mov_write_wave_tag(pb, track);
00480 else if(track->tag == MKTAG('m','p','4','a'))
00481 mov_write_esds_tag(pb, track);
00482 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
00483 mov_write_amr_tag(pb, track);
00484 else if(track->enc->codec_id == CODEC_ID_AC3)
00485 mov_write_ac3_tag(pb, track);
00486 else if(track->enc->codec_id == CODEC_ID_ALAC)
00487 mov_write_extradata_tag(pb, track);
00488 else if(track->vosLen > 0)
00489 mov_write_glbl_tag(pb, track);
00490
00491 return updateSize(pb, pos);
00492 }
00493
00494 static int mov_write_d263_tag(AVIOContext *pb)
00495 {
00496 avio_wb32(pb, 0xf);
00497 ffio_wfourcc(pb, "d263");
00498 ffio_wfourcc(pb, "FFMP");
00499 avio_w8(pb, 0);
00500
00501 avio_w8(pb, 0xa);
00502 avio_w8(pb, 0);
00503 return 0xf;
00504 }
00505
00506
00507 static int mov_write_svq3_tag(AVIOContext *pb)
00508 {
00509 avio_wb32(pb, 0x15);
00510 ffio_wfourcc(pb, "SMI ");
00511 ffio_wfourcc(pb, "SEQH");
00512 avio_wb32(pb, 0x5);
00513 avio_wb32(pb, 0xe2c0211d);
00514 avio_wb32(pb, 0xc0000000);
00515 avio_w8(pb, 0);
00516 return 0x15;
00517 }
00518
00519 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
00520 {
00521 int64_t pos = avio_tell(pb);
00522
00523 avio_wb32(pb, 0);
00524 ffio_wfourcc(pb, "avcC");
00525 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
00526 return updateSize(pb, pos);
00527 }
00528
00529
00530 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
00531 {
00532 int i;
00533 avio_wb32(pb, 24);
00534 ffio_wfourcc(pb, "ACLR");
00535 ffio_wfourcc(pb, "ACLR");
00536 ffio_wfourcc(pb, "0001");
00537 avio_wb32(pb, 1);
00538 avio_wb32(pb, 0);
00539
00540 avio_wb32(pb, 24);
00541 ffio_wfourcc(pb, "APRG");
00542 ffio_wfourcc(pb, "APRG");
00543 ffio_wfourcc(pb, "0001");
00544 avio_wb32(pb, 1);
00545 avio_wb32(pb, 0);
00546
00547 avio_wb32(pb, 120);
00548 ffio_wfourcc(pb, "ARES");
00549 ffio_wfourcc(pb, "ARES");
00550 ffio_wfourcc(pb, "0001");
00551 avio_wb32(pb, AV_RB32(track->vosData + 0x28));
00552 avio_wb32(pb, track->enc->width);
00553
00554 if (track->vosData[5] & 2) {
00555 avio_wb32(pb, track->enc->height/2);
00556 avio_wb32(pb, 2);
00557 avio_wb32(pb, 0);
00558 avio_wb32(pb, 4);
00559 } else {
00560 avio_wb32(pb, track->enc->height);
00561 avio_wb32(pb, 1);
00562 avio_wb32(pb, 0);
00563 if (track->enc->height == 1080)
00564 avio_wb32(pb, 5);
00565 else
00566 avio_wb32(pb, 6);
00567 }
00568
00569 for (i = 0; i < 10; i++)
00570 avio_wb64(pb, 0);
00571
00572
00573 avio_wb32(pb, 0);
00574 return 0;
00575 }
00576
00577 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
00578 {
00579 int tag = track->enc->codec_tag;
00580
00581 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
00582 return 0;
00583
00584 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
00585 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
00586 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
00587 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
00588 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
00589 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
00590
00591 return tag;
00592 }
00593
00594 static const AVCodecTag codec_ipod_tags[] = {
00595 { CODEC_ID_H264, MKTAG('a','v','c','1') },
00596 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
00597 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
00598 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
00599 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
00600 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
00601 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
00602 { CODEC_ID_NONE, 0 },
00603 };
00604
00605 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
00606 {
00607 int tag = track->enc->codec_tag;
00608
00609
00610 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
00611 (tag == MKTAG('t','x','3','g') ||
00612 tag == MKTAG('t','e','x','t'))))
00613 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
00614
00615 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
00616 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
00617 "Quicktime/Ipod might not play the file\n");
00618
00619 return tag;
00620 }
00621
00622 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
00623 {
00624 int tag;
00625
00626 if (track->enc->width == 720)
00627 if (track->enc->height == 480)
00628 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
00629 else tag = MKTAG('d','v','c',' ');
00630 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
00631 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
00632 else tag = MKTAG('d','v','p','p');
00633 else if (track->enc->height == 720)
00634 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
00635 else tag = MKTAG('d','v','h','p');
00636 else if (track->enc->height == 1080)
00637 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
00638 else tag = MKTAG('d','v','h','6');
00639 else {
00640 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
00641 return 0;
00642 }
00643
00644 return tag;
00645 }
00646
00647 static const struct {
00648 enum PixelFormat pix_fmt;
00649 uint32_t tag;
00650 unsigned bps;
00651 } mov_pix_fmt_tags[] = {
00652 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
00653 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
00654 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
00655 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
00656 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
00657 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
00658 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
00659 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
00660 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
00661 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
00662 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
00663 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
00664 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
00665 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
00666 };
00667
00668 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
00669 {
00670 int tag = track->enc->codec_tag;
00671 int i;
00672
00673 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
00674 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
00675 tag = mov_pix_fmt_tags[i].tag;
00676 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
00677 break;
00678 }
00679 }
00680
00681 return tag;
00682 }
00683
00684 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
00685 {
00686 int tag = track->enc->codec_tag;
00687
00688 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
00689 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
00690 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
00691 track->enc->codec_id == CODEC_ID_H263 ||
00692 av_get_bits_per_sample(track->enc->codec_id)))) {
00693 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
00694 tag = mov_get_dv_codec_tag(s, track);
00695 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
00696 tag = mov_get_rawvideo_codec_tag(s, track);
00697 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
00698 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
00699 if (!tag) {
00700 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
00701 if (tag)
00702 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
00703 "the file may be unplayable!\n");
00704 }
00705 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
00706 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
00707 if (!tag) {
00708 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
00709 if (ms_tag) {
00710 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
00711 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
00712 "the file may be unplayable!\n");
00713 }
00714 }
00715 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
00716 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
00717 }
00718
00719 return tag;
00720 }
00721
00722 static const AVCodecTag codec_3gp_tags[] = {
00723 { CODEC_ID_H263, MKTAG('s','2','6','3') },
00724 { CODEC_ID_H264, MKTAG('a','v','c','1') },
00725 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
00726 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
00727 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
00728 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
00729 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
00730 { CODEC_ID_NONE, 0 },
00731 };
00732
00733 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
00734 {
00735 int tag = track->enc->codec_tag;
00736
00737 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
00738 tag = mp4_get_codec_tag(s, track);
00739 else if (track->mode == MODE_IPOD)
00740 tag = ipod_get_codec_tag(s, track);
00741 else if (track->mode & MODE_3GP)
00742 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
00743 else
00744 tag = mov_get_codec_tag(s, track);
00745
00746 return tag;
00747 }
00748
00753 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
00754 {
00755 avio_wb32(pb, 28);
00756 ffio_wfourcc(pb, "uuid");
00757 avio_wb32(pb, 0x6b6840f2);
00758 avio_wb32(pb, 0x5f244fc5);
00759 avio_wb32(pb, 0xba39a51b);
00760 avio_wb32(pb, 0xcf0323f3);
00761 avio_wb32(pb, 0x0);
00762 return 28;
00763 }
00764
00765 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
00766 {
00767 int64_t pos = avio_tell(pb);
00768 avio_wb32(pb, 0);
00769 avio_wl32(pb, track->tag);
00770 avio_wb32(pb, 0);
00771 avio_wb16(pb, 0);
00772 avio_wb16(pb, 1);
00773
00774 if (track->enc->extradata_size)
00775 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
00776
00777 return updateSize(pb, pos);
00778 }
00779
00780 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
00781 {
00782 AVRational sar;
00783 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
00784 track->enc->sample_aspect_ratio.den, INT_MAX);
00785
00786 avio_wb32(pb, 16);
00787 ffio_wfourcc(pb, "pasp");
00788 avio_wb32(pb, sar.num);
00789 avio_wb32(pb, sar.den);
00790 return 16;
00791 }
00792
00793 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
00794 {
00795 int64_t pos = avio_tell(pb);
00796 char compressor_name[32];
00797
00798 avio_wb32(pb, 0);
00799 avio_wl32(pb, track->tag);
00800 avio_wb32(pb, 0);
00801 avio_wb16(pb, 0);
00802 avio_wb16(pb, 1);
00803
00804 avio_wb16(pb, 0);
00805 avio_wb16(pb, 0);
00806 if (track->mode == MODE_MOV) {
00807 ffio_wfourcc(pb, "FFMP");
00808 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
00809 avio_wb32(pb, 0);
00810 avio_wb32(pb, 0x400);
00811 } else {
00812 avio_wb32(pb, 0x200);
00813 avio_wb32(pb, 0x200);
00814 }
00815 } else {
00816 avio_wb32(pb, 0);
00817 avio_wb32(pb, 0);
00818 avio_wb32(pb, 0);
00819 }
00820 avio_wb16(pb, track->enc->width);
00821 avio_wb16(pb, track->height);
00822 avio_wb32(pb, 0x00480000);
00823 avio_wb32(pb, 0x00480000);
00824 avio_wb32(pb, 0);
00825 avio_wb16(pb, 1);
00826
00827 memset(compressor_name,0,32);
00828
00829 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
00830 strncpy(compressor_name,track->enc->codec->name,31);
00831 avio_w8(pb, strlen(compressor_name));
00832 avio_write(pb, compressor_name, 31);
00833
00834 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
00835 avio_wb16(pb, track->enc->bits_per_coded_sample);
00836 else
00837 avio_wb16(pb, 0x18);
00838 avio_wb16(pb, 0xffff);
00839 if(track->tag == MKTAG('m','p','4','v'))
00840 mov_write_esds_tag(pb, track);
00841 else if(track->enc->codec_id == CODEC_ID_H263)
00842 mov_write_d263_tag(pb);
00843 else if(track->enc->codec_id == CODEC_ID_SVQ3)
00844 mov_write_svq3_tag(pb);
00845 else if(track->enc->codec_id == CODEC_ID_DNXHD)
00846 mov_write_avid_tag(pb, track);
00847 else if(track->enc->codec_id == CODEC_ID_H264) {
00848 mov_write_avcc_tag(pb, track);
00849 if(track->mode == MODE_IPOD)
00850 mov_write_uuid_tag_ipod(pb);
00851 } else if(track->vosLen > 0)
00852 mov_write_glbl_tag(pb, track);
00853
00854 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
00855 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
00856 mov_write_pasp_tag(pb, track);
00857 }
00858
00859 return updateSize(pb, pos);
00860 }
00861
00862 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
00863 {
00864 int64_t pos = avio_tell(pb);
00865 avio_wb32(pb, 0);
00866 ffio_wfourcc(pb, "rtp ");
00867 avio_wb32(pb, 0);
00868 avio_wb16(pb, 0);
00869 avio_wb16(pb, 1);
00870
00871 avio_wb16(pb, 1);
00872 avio_wb16(pb, 1);
00873 avio_wb32(pb, track->max_packet_size);
00874
00875 avio_wb32(pb, 12);
00876 ffio_wfourcc(pb, "tims");
00877 avio_wb32(pb, track->timescale);
00878
00879 return updateSize(pb, pos);
00880 }
00881
00882 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
00883 {
00884 int64_t pos = avio_tell(pb);
00885 avio_wb32(pb, 0);
00886 ffio_wfourcc(pb, "stsd");
00887 avio_wb32(pb, 0);
00888 avio_wb32(pb, 1);
00889 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
00890 mov_write_video_tag(pb, track);
00891 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
00892 mov_write_audio_tag(pb, track);
00893 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
00894 mov_write_subtitle_tag(pb, track);
00895 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
00896 mov_write_rtp_tag(pb, track);
00897 return updateSize(pb, pos);
00898 }
00899
00900 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
00901 {
00902 MOVStts *ctts_entries;
00903 uint32_t entries = 0;
00904 uint32_t atom_size;
00905 int i;
00906
00907 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries));
00908 ctts_entries[0].count = 1;
00909 ctts_entries[0].duration = track->cluster[0].cts;
00910 for (i=1; i<track->entry; i++) {
00911 if (track->cluster[i].cts == ctts_entries[entries].duration) {
00912 ctts_entries[entries].count++;
00913 } else {
00914 entries++;
00915 ctts_entries[entries].duration = track->cluster[i].cts;
00916 ctts_entries[entries].count = 1;
00917 }
00918 }
00919 entries++;
00920 atom_size = 16 + (entries * 8);
00921 avio_wb32(pb, atom_size);
00922 ffio_wfourcc(pb, "ctts");
00923 avio_wb32(pb, 0);
00924 avio_wb32(pb, entries);
00925 for (i=0; i<entries; i++) {
00926 avio_wb32(pb, ctts_entries[i].count);
00927 avio_wb32(pb, ctts_entries[i].duration);
00928 }
00929 av_free(ctts_entries);
00930 return atom_size;
00931 }
00932
00933
00934 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
00935 {
00936 MOVStts *stts_entries;
00937 uint32_t entries = -1;
00938 uint32_t atom_size;
00939 int i;
00940
00941 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
00942 stts_entries = av_malloc(sizeof(*stts_entries));
00943 stts_entries[0].count = track->sampleCount;
00944 stts_entries[0].duration = 1;
00945 entries = 1;
00946 } else {
00947 stts_entries = av_malloc(track->entry * sizeof(*stts_entries));
00948 for (i=0; i<track->entry; i++) {
00949 int64_t duration = i + 1 == track->entry ?
00950 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts :
00951 track->cluster[i+1].dts - track->cluster[i].dts;
00952 if (i && duration == stts_entries[entries].duration) {
00953 stts_entries[entries].count++;
00954 } else {
00955 entries++;
00956 stts_entries[entries].duration = duration;
00957 stts_entries[entries].count = 1;
00958 }
00959 }
00960 entries++;
00961 }
00962 atom_size = 16 + (entries * 8);
00963 avio_wb32(pb, atom_size);
00964 ffio_wfourcc(pb, "stts");
00965 avio_wb32(pb, 0);
00966 avio_wb32(pb, entries);
00967 for (i=0; i<entries; i++) {
00968 avio_wb32(pb, stts_entries[i].count);
00969 avio_wb32(pb, stts_entries[i].duration);
00970 }
00971 av_free(stts_entries);
00972 return atom_size;
00973 }
00974
00975 static int mov_write_dref_tag(AVIOContext *pb)
00976 {
00977 avio_wb32(pb, 28);
00978 ffio_wfourcc(pb, "dref");
00979 avio_wb32(pb, 0);
00980 avio_wb32(pb, 1);
00981
00982 avio_wb32(pb, 0xc);
00983 ffio_wfourcc(pb, "url ");
00984 avio_wb32(pb, 1);
00985
00986 return 28;
00987 }
00988
00989 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
00990 {
00991 int64_t pos = avio_tell(pb);
00992 avio_wb32(pb, 0);
00993 ffio_wfourcc(pb, "stbl");
00994 mov_write_stsd_tag(pb, track);
00995 mov_write_stts_tag(pb, track);
00996 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
00997 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
00998 track->hasKeyframes && track->hasKeyframes < track->entry)
00999 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
01000 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
01001 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
01002 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
01003 track->flags & MOV_TRACK_CTTS)
01004 mov_write_ctts_tag(pb, track);
01005 mov_write_stsc_tag(pb, track);
01006 mov_write_stsz_tag(pb, track);
01007 mov_write_stco_tag(pb, track);
01008 return updateSize(pb, pos);
01009 }
01010
01011 static int mov_write_dinf_tag(AVIOContext *pb)
01012 {
01013 int64_t pos = avio_tell(pb);
01014 avio_wb32(pb, 0);
01015 ffio_wfourcc(pb, "dinf");
01016 mov_write_dref_tag(pb);
01017 return updateSize(pb, pos);
01018 }
01019
01020 static int mov_write_nmhd_tag(AVIOContext *pb)
01021 {
01022 avio_wb32(pb, 12);
01023 ffio_wfourcc(pb, "nmhd");
01024 avio_wb32(pb, 0);
01025 return 12;
01026 }
01027
01028 static int mov_write_gmhd_tag(AVIOContext *pb)
01029 {
01030 avio_wb32(pb, 0x20);
01031 ffio_wfourcc(pb, "gmhd");
01032 avio_wb32(pb, 0x18);
01033 ffio_wfourcc(pb, "gmin");
01034 avio_wb32(pb, 0);
01035 avio_wb16(pb, 0x40);
01036 avio_wb16(pb, 0x8000);
01037 avio_wb16(pb, 0x8000);
01038 avio_wb16(pb, 0x8000);
01039 avio_wb16(pb, 0);
01040 avio_wb16(pb, 0);
01041 return 0x20;
01042 }
01043
01044 static int mov_write_smhd_tag(AVIOContext *pb)
01045 {
01046 avio_wb32(pb, 16);
01047 ffio_wfourcc(pb, "smhd");
01048 avio_wb32(pb, 0);
01049 avio_wb16(pb, 0);
01050 avio_wb16(pb, 0);
01051 return 16;
01052 }
01053
01054 static int mov_write_vmhd_tag(AVIOContext *pb)
01055 {
01056 avio_wb32(pb, 0x14);
01057 ffio_wfourcc(pb, "vmhd");
01058 avio_wb32(pb, 0x01);
01059 avio_wb64(pb, 0);
01060 return 0x14;
01061 }
01062
01063 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
01064 {
01065 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
01066 int64_t pos = avio_tell(pb);
01067
01068 if (!track) {
01069 hdlr = "dhlr";
01070 hdlr_type = "url ";
01071 descr = "DataHandler";
01072 } else {
01073 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
01074 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01075 hdlr_type = "vide";
01076 descr = "VideoHandler";
01077 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
01078 hdlr_type = "soun";
01079 descr = "SoundHandler";
01080 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
01081 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
01082 else hdlr_type = "text";
01083 descr = "SubtitleHandler";
01084 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
01085 hdlr_type = "hint";
01086 descr = "HintHandler";
01087 }
01088 }
01089
01090 avio_wb32(pb, 0);
01091 ffio_wfourcc(pb, "hdlr");
01092 avio_wb32(pb, 0);
01093 avio_write(pb, hdlr, 4);
01094 ffio_wfourcc(pb, hdlr_type);
01095 avio_wb32(pb ,0);
01096 avio_wb32(pb ,0);
01097 avio_wb32(pb ,0);
01098 if (!track || track->mode == MODE_MOV)
01099 avio_w8(pb, strlen(descr));
01100 avio_write(pb, descr, strlen(descr));
01101 if (track && track->mode != MODE_MOV)
01102 avio_w8(pb, 0);
01103 return updateSize(pb, pos);
01104 }
01105
01106 static int mov_write_hmhd_tag(AVIOContext *pb)
01107 {
01108
01109
01110 avio_wb32(pb, 28);
01111 ffio_wfourcc(pb, "hmhd");
01112 avio_wb32(pb, 0);
01113 avio_wb16(pb, 0);
01114 avio_wb16(pb, 0);
01115 avio_wb32(pb, 0);
01116 avio_wb32(pb, 0);
01117 avio_wb32(pb, 0);
01118 return 28;
01119 }
01120
01121 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
01122 {
01123 int64_t pos = avio_tell(pb);
01124 avio_wb32(pb, 0);
01125 ffio_wfourcc(pb, "minf");
01126 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
01127 mov_write_vmhd_tag(pb);
01128 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
01129 mov_write_smhd_tag(pb);
01130 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
01131 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
01132 else mov_write_nmhd_tag(pb);
01133 } else if (track->tag == MKTAG('r','t','p',' ')) {
01134 mov_write_hmhd_tag(pb);
01135 }
01136 if (track->mode == MODE_MOV)
01137 mov_write_hdlr_tag(pb, NULL);
01138 mov_write_dinf_tag(pb);
01139 mov_write_stbl_tag(pb, track);
01140 return updateSize(pb, pos);
01141 }
01142
01143 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
01144 {
01145 int version = track->trackDuration < INT32_MAX ? 0 : 1;
01146
01147 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32);
01148 ffio_wfourcc(pb, "mdhd");
01149 avio_w8(pb, version);
01150 avio_wb24(pb, 0);
01151 if (version == 1) {
01152 avio_wb64(pb, track->time);
01153 avio_wb64(pb, track->time);
01154 } else {
01155 avio_wb32(pb, track->time);
01156 avio_wb32(pb, track->time);
01157 }
01158 avio_wb32(pb, track->timescale);
01159 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration);
01160 avio_wb16(pb, track->language);
01161 avio_wb16(pb, 0);
01162
01163 if(version!=0 && track->mode == MODE_MOV){
01164 av_log(NULL, AV_LOG_ERROR,
01165 "FATAL error, file duration too long for timebase, this file will not be\n"
01166 "playable with quicktime. Choose a different timebase or a different\n"
01167 "container format\n");
01168 }
01169
01170 return 32;
01171 }
01172
01173 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
01174 {
01175 int64_t pos = avio_tell(pb);
01176 avio_wb32(pb, 0);
01177 ffio_wfourcc(pb, "mdia");
01178 mov_write_mdhd_tag(pb, track);
01179 mov_write_hdlr_tag(pb, track);
01180 mov_write_minf_tag(pb, track);
01181 return updateSize(pb, pos);
01182 }
01183
01184 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
01185 {
01186 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
01187 track->timescale, AV_ROUND_UP);
01188 int version = duration < INT32_MAX ? 0 : 1;
01189
01190 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92);
01191 ffio_wfourcc(pb, "tkhd");
01192 avio_w8(pb, version);
01193 avio_wb24(pb, 0xf);
01194 if (version == 1) {
01195 avio_wb64(pb, track->time);
01196 avio_wb64(pb, track->time);
01197 } else {
01198 avio_wb32(pb, track->time);
01199 avio_wb32(pb, track->time);
01200 }
01201 avio_wb32(pb, track->trackID);
01202 avio_wb32(pb, 0);
01203 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
01204
01205 avio_wb32(pb, 0);
01206 avio_wb32(pb, 0);
01207 avio_wb32(pb, 0x0);
01208
01209 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
01210 avio_wb16(pb, 0x0100);
01211 else
01212 avio_wb16(pb, 0);
01213 avio_wb16(pb, 0);
01214
01215
01216 avio_wb32(pb, 0x00010000);
01217 avio_wb32(pb, 0x0);
01218 avio_wb32(pb, 0x0);
01219 avio_wb32(pb, 0x0);
01220 avio_wb32(pb, 0x00010000);
01221 avio_wb32(pb, 0x0);
01222 avio_wb32(pb, 0x0);
01223 avio_wb32(pb, 0x0);
01224 avio_wb32(pb, 0x40000000);
01225
01226
01227 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
01228 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
01229 if(track->mode == MODE_MOV) {
01230 avio_wb32(pb, track->enc->width << 16);
01231 avio_wb32(pb, track->height << 16);
01232 } else {
01233 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
01234 if(!sample_aspect_ratio || track->height != track->enc->height)
01235 sample_aspect_ratio = 1;
01236 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
01237 avio_wb32(pb, track->height*0x10000);
01238 }
01239 }
01240 else {
01241 avio_wb32(pb, 0);
01242 avio_wb32(pb, 0);
01243 }
01244 return 0x5c;
01245 }
01246
01247 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
01248 {
01249 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
01250 track->enc->sample_aspect_ratio.den);
01251
01252 int64_t pos = avio_tell(pb);
01253
01254 avio_wb32(pb, 0);
01255 ffio_wfourcc(pb, "tapt");
01256
01257 avio_wb32(pb, 20);
01258 ffio_wfourcc(pb, "clef");
01259 avio_wb32(pb, 0);
01260 avio_wb32(pb, width << 16);
01261 avio_wb32(pb, track->enc->height << 16);
01262
01263 avio_wb32(pb, 20);
01264 ffio_wfourcc(pb, "enof");
01265 avio_wb32(pb, 0);
01266 avio_wb32(pb, track->enc->width << 16);
01267 avio_wb32(pb, track->enc->height << 16);
01268
01269 return updateSize(pb, pos);
01270 };
01271
01272
01273 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
01274 {
01275 avio_wb32(pb, 0x24);
01276 ffio_wfourcc(pb, "edts");
01277 avio_wb32(pb, 0x1c);
01278 ffio_wfourcc(pb, "elst");
01279 avio_wb32(pb, 0x0);
01280 avio_wb32(pb, 0x1);
01281
01282
01283 avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
01284 track->timescale, AV_ROUND_UP));
01285
01286 avio_wb32(pb, track->cluster[0].cts);
01287 avio_wb32(pb, 0x00010000);
01288 return 0x24;
01289 }
01290
01291 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
01292 {
01293 avio_wb32(pb, 20);
01294 ffio_wfourcc(pb, "tref");
01295 avio_wb32(pb, 12);
01296 avio_wl32(pb, track->tref_tag);
01297 avio_wb32(pb, track->tref_id);
01298 return 20;
01299 }
01300
01301
01302 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
01303 {
01304 avio_wb32(pb, 0x34);
01305 ffio_wfourcc(pb, "uuid");
01306 ffio_wfourcc(pb, "USMT");
01307 avio_wb32(pb, 0x21d24fce);
01308 avio_wb32(pb, 0xbb88695c);
01309 avio_wb32(pb, 0xfac9c740);
01310 avio_wb32(pb, 0x1c);
01311 ffio_wfourcc(pb, "MTDT");
01312 avio_wb32(pb, 0x00010012);
01313 avio_wb32(pb, 0x0a);
01314 avio_wb32(pb, 0x55c40000);
01315 avio_wb32(pb, 0x1);
01316 avio_wb32(pb, 0x0);
01317 return 0x34;
01318 }
01319
01320 static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
01321 {
01322 char buf[1000] = "";
01323 int len;
01324
01325 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
01326 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
01327 len = strlen(buf);
01328
01329 avio_wb32(pb, len + 24);
01330 ffio_wfourcc(pb, "udta");
01331 avio_wb32(pb, len + 16);
01332 ffio_wfourcc(pb, "hnti");
01333 avio_wb32(pb, len + 8);
01334 ffio_wfourcc(pb, "sdp ");
01335 avio_write(pb, buf, len);
01336 return len + 24;
01337 }
01338
01339 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
01340 {
01341 int64_t pos = avio_tell(pb);
01342 avio_wb32(pb, 0);
01343 ffio_wfourcc(pb, "trak");
01344 mov_write_tkhd_tag(pb, track, st);
01345 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
01346 mov_write_edts_tag(pb, track);
01347 if (track->tref_tag)
01348 mov_write_tref_tag(pb, track);
01349 mov_write_mdia_tag(pb, track);
01350 if (track->mode == MODE_PSP)
01351 mov_write_uuid_tag_psp(pb,track);
01352 if (track->tag == MKTAG('r','t','p',' '))
01353 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
01354 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
01355 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
01356 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
01357 mov_write_tapt_tag(pb, track);
01358 };
01359 return updateSize(pb, pos);
01360 }
01361
01362 #if 0
01363
01364 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
01365 {
01366 avio_wb32(pb, 0x15);
01367 ffio_wfourcc(pb, "iods");
01368 avio_wb32(pb, 0);
01369 avio_wb16(pb, 0x1007);
01370 avio_w8(pb, 0);
01371 avio_wb16(pb, 0x4fff);
01372 avio_wb16(pb, 0xfffe);
01373 avio_wb16(pb, 0x01ff);
01374 return 0x15;
01375 }
01376 #endif
01377
01378 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
01379 {
01380 int maxTrackID = 1, i;
01381 int64_t maxTrackLenTemp, maxTrackLen = 0;
01382 int version;
01383
01384 for (i=0; i<mov->nb_streams; i++) {
01385 if(mov->tracks[i].entry > 0) {
01386 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
01387 MOV_TIMESCALE,
01388 mov->tracks[i].timescale,
01389 AV_ROUND_UP);
01390 if(maxTrackLen < maxTrackLenTemp)
01391 maxTrackLen = maxTrackLenTemp;
01392 if(maxTrackID < mov->tracks[i].trackID)
01393 maxTrackID = mov->tracks[i].trackID;
01394 }
01395 }
01396
01397 version = maxTrackLen < UINT32_MAX ? 0 : 1;
01398 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108);
01399 ffio_wfourcc(pb, "mvhd");
01400 avio_w8(pb, version);
01401 avio_wb24(pb, 0);
01402 if (version == 1) {
01403 avio_wb64(pb, mov->time);
01404 avio_wb64(pb, mov->time);
01405 } else {
01406 avio_wb32(pb, mov->time);
01407 avio_wb32(pb, mov->time);
01408 }
01409 avio_wb32(pb, MOV_TIMESCALE);
01410 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen);
01411
01412 avio_wb32(pb, 0x00010000);
01413 avio_wb16(pb, 0x0100);
01414 avio_wb16(pb, 0);
01415 avio_wb32(pb, 0);
01416 avio_wb32(pb, 0);
01417
01418
01419 avio_wb32(pb, 0x00010000);
01420 avio_wb32(pb, 0x0);
01421 avio_wb32(pb, 0x0);
01422 avio_wb32(pb, 0x0);
01423 avio_wb32(pb, 0x00010000);
01424 avio_wb32(pb, 0x0);
01425 avio_wb32(pb, 0x0);
01426 avio_wb32(pb, 0x0);
01427 avio_wb32(pb, 0x40000000);
01428
01429 avio_wb32(pb, 0);
01430 avio_wb32(pb, 0);
01431 avio_wb32(pb, 0);
01432 avio_wb32(pb, 0);
01433 avio_wb32(pb, 0);
01434 avio_wb32(pb, 0);
01435 avio_wb32(pb, maxTrackID+1);
01436 return 0x6c;
01437 }
01438
01439 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
01440 AVFormatContext *s)
01441 {
01442 avio_wb32(pb, 33);
01443 ffio_wfourcc(pb, "hdlr");
01444 avio_wb32(pb, 0);
01445 avio_wb32(pb, 0);
01446 ffio_wfourcc(pb, "mdir");
01447 ffio_wfourcc(pb, "appl");
01448 avio_wb32(pb, 0);
01449 avio_wb32(pb, 0);
01450 avio_w8(pb, 0);
01451 return 33;
01452 }
01453
01454
01455 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
01456 {
01457 if(long_style){
01458 int size = 16 + strlen(data);
01459 avio_wb32(pb, size);
01460 ffio_wfourcc(pb, "data");
01461 avio_wb32(pb, 1);
01462 avio_wb32(pb, 0);
01463 avio_write(pb, data, strlen(data));
01464 return size;
01465 }else{
01466 if (!lang)
01467 lang = ff_mov_iso639_to_lang("und", 1);
01468 avio_wb16(pb, strlen(data));
01469 avio_wb16(pb, lang);
01470 avio_write(pb, data, strlen(data));
01471 return strlen(data) + 4;
01472 }
01473 }
01474
01475 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
01476 int size = 0;
01477 if (value && value[0]) {
01478 int64_t pos = avio_tell(pb);
01479 avio_wb32(pb, 0);
01480 ffio_wfourcc(pb, name);
01481 mov_write_string_data_tag(pb, value, lang, long_style);
01482 size= updateSize(pb, pos);
01483 }
01484 return size;
01485 }
01486
01487 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
01488 const char *name, const char *tag,
01489 int long_style)
01490 {
01491 int l, lang = 0, len, len2;
01492 AVMetadataTag *t, *t2 = NULL;
01493 char tag2[16];
01494
01495 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
01496 return 0;
01497
01498 len = strlen(t->key);
01499 snprintf(tag2, sizeof(tag2), "%s-", tag);
01500 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
01501 len2 = strlen(t2->key);
01502 if (len2 == len+4 && !strcmp(t->value, t2->value)
01503 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
01504 lang = l;
01505 break;
01506 }
01507 }
01508 return mov_write_string_tag(pb, name, t->value, lang, long_style);
01509 }
01510
01511
01512 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
01513 AVFormatContext *s)
01514 {
01515 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
01516 int size = 0, track = t ? atoi(t->value) : 0;
01517 if (track) {
01518 avio_wb32(pb, 32);
01519 ffio_wfourcc(pb, "trkn");
01520 avio_wb32(pb, 24);
01521 ffio_wfourcc(pb, "data");
01522 avio_wb32(pb, 0);
01523 avio_wb32(pb, 0);
01524 avio_wb16(pb, 0);
01525 avio_wb16(pb, track);
01526 avio_wb16(pb, 0);
01527 avio_wb16(pb, 0);
01528 size = 32;
01529 }
01530 return size;
01531 }
01532
01533
01534 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
01535 AVFormatContext *s)
01536 {
01537 int64_t pos = avio_tell(pb);
01538 avio_wb32(pb, 0);
01539 ffio_wfourcc(pb, "ilst");
01540 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
01541 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
01542 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
01543 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
01544 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
01545 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
01546 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
01547 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
01548 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
01549 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
01550 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
01551 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
01552 mov_write_string_metadata(s, pb, "desc", "description",1);
01553 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
01554 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
01555 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
01556 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
01557 mov_write_trkn_tag(pb, mov, s);
01558 return updateSize(pb, pos);
01559 }
01560
01561
01562 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
01563 AVFormatContext *s)
01564 {
01565 int size = 0;
01566 int64_t pos = avio_tell(pb);
01567 avio_wb32(pb, 0);
01568 ffio_wfourcc(pb, "meta");
01569 avio_wb32(pb, 0);
01570 mov_write_itunes_hdlr_tag(pb, mov, s);
01571 mov_write_ilst_tag(pb, mov, s);
01572 size = updateSize(pb, pos);
01573 return size;
01574 }
01575
01576 static int utf8len(const uint8_t *b)
01577 {
01578 int len=0;
01579 int val;
01580 while(*b){
01581 GET_UTF8(val, *b++, return -1;)
01582 len++;
01583 }
01584 return len;
01585 }
01586
01587 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
01588 {
01589 int val;
01590 while(*b){
01591 GET_UTF8(val, *b++, return -1;)
01592 avio_wb16(pb, val);
01593 }
01594 avio_wb16(pb, 0x00);
01595 return 0;
01596 }
01597
01598 static uint16_t language_code(const char *str)
01599 {
01600 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
01601 }
01602
01603 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
01604 const char *tag, const char *str)
01605 {
01606 int64_t pos = avio_tell(pb);
01607 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
01608 if (!t || !utf8len(t->value))
01609 return 0;
01610 avio_wb32(pb, 0);
01611 ffio_wfourcc(pb, tag);
01612 avio_wb32(pb, 0);
01613 if (!strcmp(tag, "yrrc"))
01614 avio_wb16(pb, atoi(t->value));
01615 else {
01616 avio_wb16(pb, language_code("eng"));
01617 avio_write(pb, t->value, strlen(t->value)+1);
01618 if (!strcmp(tag, "albm") &&
01619 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
01620 avio_w8(pb, atoi(t->value));
01621 }
01622 return updateSize(pb, pos);
01623 }
01624
01625 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
01626 {
01627 int64_t pos = avio_tell(pb);
01628 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
01629
01630 avio_wb32(pb, 0);
01631 ffio_wfourcc(pb, "chpl");
01632 avio_wb32(pb, 0x01000000);
01633 avio_wb32(pb, 0);
01634 avio_w8(pb, nb_chapters);
01635
01636 for (i = 0; i < nb_chapters; i++) {
01637 AVChapter *c = s->chapters[i];
01638 AVMetadataTag *t;
01639 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
01640
01641 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
01642 int len = FFMIN(strlen(t->value), 255);
01643 avio_w8(pb, len);
01644 avio_write(pb, t->value, len);
01645 } else
01646 avio_w8(pb, 0);
01647 }
01648 return updateSize(pb, pos);
01649 }
01650
01651 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
01652 AVFormatContext *s)
01653 {
01654 AVIOContext *pb_buf;
01655 int i, ret, size;
01656 uint8_t *buf;
01657
01658 for (i = 0; i < s->nb_streams; i++)
01659 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
01660 return 0;
01661 }
01662
01663 ret = url_open_dyn_buf(&pb_buf);
01664 if(ret < 0)
01665 return ret;
01666
01667 if (mov->mode & MODE_3GP) {
01668 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
01669 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
01670 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
01671 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
01672 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
01673 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
01674 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
01675 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
01676 } else if (mov->mode == MODE_MOV) {
01677 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
01678 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
01679 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
01680 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
01681 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
01682 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
01683 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
01684 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
01685 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
01686 } else {
01687
01688 mov_write_meta_tag(pb_buf, mov, s);
01689 }
01690
01691 if (s->nb_chapters)
01692 mov_write_chpl_tag(pb_buf, s);
01693
01694 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
01695 avio_wb32(pb, size+8);
01696 ffio_wfourcc(pb, "udta");
01697 avio_write(pb, buf, size);
01698 }
01699 av_free(buf);
01700
01701 return 0;
01702 }
01703
01704 static void mov_write_psp_udta_tag(AVIOContext *pb,
01705 const char *str, const char *lang, int type)
01706 {
01707 int len = utf8len(str)+1;
01708 if(len<=0)
01709 return;
01710 avio_wb16(pb, len*2+10);
01711 avio_wb32(pb, type);
01712 avio_wb16(pb, language_code(lang));
01713 avio_wb16(pb, 0x01);
01714 ascii_to_wc(pb, str);
01715 }
01716
01717 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
01718 {
01719 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
01720 int64_t pos, pos2;
01721
01722 if (title) {
01723 pos = avio_tell(pb);
01724 avio_wb32(pb, 0);
01725 ffio_wfourcc(pb, "uuid");
01726 ffio_wfourcc(pb, "USMT");
01727 avio_wb32(pb, 0x21d24fce);
01728 avio_wb32(pb, 0xbb88695c);
01729 avio_wb32(pb, 0xfac9c740);
01730
01731 pos2 = avio_tell(pb);
01732 avio_wb32(pb, 0);
01733 ffio_wfourcc(pb, "MTDT");
01734 avio_wb16(pb, 4);
01735
01736
01737 avio_wb16(pb, 0x0C);
01738 avio_wb32(pb, 0x0B);
01739 avio_wb16(pb, language_code("und"));
01740 avio_wb16(pb, 0x0);
01741 avio_wb16(pb, 0x021C);
01742
01743 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
01744 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
01745
01746 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
01747
01748 updateSize(pb, pos2);
01749 return updateSize(pb, pos);
01750 }
01751
01752 return 0;
01753 }
01754
01755 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
01756 AVFormatContext *s)
01757 {
01758 int i;
01759 int64_t pos = avio_tell(pb);
01760 avio_wb32(pb, 0);
01761 ffio_wfourcc(pb, "moov");
01762
01763 for (i=0; i<mov->nb_streams; i++) {
01764 if(mov->tracks[i].entry <= 0) continue;
01765
01766 mov->tracks[i].time = mov->time;
01767 mov->tracks[i].trackID = i+1;
01768 }
01769
01770 if (mov->chapter_track)
01771 for (i=0; i<s->nb_streams; i++) {
01772 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
01773 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
01774 }
01775 for (i = 0; i < mov->nb_streams; i++) {
01776 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
01777 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
01778 mov->tracks[i].tref_id =
01779 mov->tracks[mov->tracks[i].src_track].trackID;
01780 }
01781 }
01782
01783 mov_write_mvhd_tag(pb, mov);
01784
01785 for (i=0; i<mov->nb_streams; i++) {
01786 if(mov->tracks[i].entry > 0) {
01787 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
01788 }
01789 }
01790
01791 if (mov->mode == MODE_PSP)
01792 mov_write_uuidusmt_tag(pb, s);
01793 else
01794 mov_write_udta_tag(pb, mov, s);
01795
01796 return updateSize(pb, pos);
01797 }
01798
01799 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
01800 {
01801 avio_wb32(pb, 8);
01802 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
01803
01804 mov->mdat_pos = avio_tell(pb);
01805 avio_wb32(pb, 0);
01806 ffio_wfourcc(pb, "mdat");
01807 return 0;
01808 }
01809
01810
01811 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
01812 {
01813 MOVMuxContext *mov = s->priv_data;
01814 int64_t pos = avio_tell(pb);
01815 int has_h264 = 0, has_video = 0;
01816 int minor = 0x200;
01817 int i;
01818
01819 for (i = 0; i < s->nb_streams; i++) {
01820 AVStream *st = s->streams[i];
01821 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
01822 has_video = 1;
01823 if (st->codec->codec_id == CODEC_ID_H264)
01824 has_h264 = 1;
01825 }
01826
01827 avio_wb32(pb, 0);
01828 ffio_wfourcc(pb, "ftyp");
01829
01830 if (mov->mode == MODE_3GP) {
01831 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
01832 minor = has_h264 ? 0x100 : 0x200;
01833 } else if (mov->mode & MODE_3G2) {
01834 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
01835 minor = has_h264 ? 0x20000 : 0x10000;
01836 }else if (mov->mode == MODE_PSP)
01837 ffio_wfourcc(pb, "MSNV");
01838 else if (mov->mode == MODE_MP4)
01839 ffio_wfourcc(pb, "isom");
01840 else if (mov->mode == MODE_IPOD)
01841 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
01842 else
01843 ffio_wfourcc(pb, "qt ");
01844
01845 avio_wb32(pb, minor);
01846
01847 if(mov->mode == MODE_MOV)
01848 ffio_wfourcc(pb, "qt ");
01849 else{
01850 ffio_wfourcc(pb, "isom");
01851 ffio_wfourcc(pb, "iso2");
01852 if(has_h264)
01853 ffio_wfourcc(pb, "avc1");
01854 }
01855
01856 if (mov->mode == MODE_3GP)
01857 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
01858 else if (mov->mode & MODE_3G2)
01859 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
01860 else if (mov->mode == MODE_PSP)
01861 ffio_wfourcc(pb, "MSNV");
01862 else if (mov->mode == MODE_MP4)
01863 ffio_wfourcc(pb, "mp41");
01864 return updateSize(pb, pos);
01865 }
01866
01867 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
01868 {
01869 AVCodecContext *VideoCodec = s->streams[0]->codec;
01870 AVCodecContext *AudioCodec = s->streams[1]->codec;
01871 int AudioRate = AudioCodec->sample_rate;
01872 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
01873 int audio_kbitrate= AudioCodec->bit_rate / 1000;
01874 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
01875
01876 avio_wb32(pb, 0x94);
01877 ffio_wfourcc(pb, "uuid");
01878 ffio_wfourcc(pb, "PROF");
01879
01880 avio_wb32(pb, 0x21d24fce);
01881 avio_wb32(pb, 0xbb88695c);
01882 avio_wb32(pb, 0xfac9c740);
01883
01884 avio_wb32(pb, 0x0);
01885 avio_wb32(pb, 0x3);
01886
01887 avio_wb32(pb, 0x14);
01888 ffio_wfourcc(pb, "FPRF");
01889 avio_wb32(pb, 0x0);
01890 avio_wb32(pb, 0x0);
01891 avio_wb32(pb, 0x0);
01892
01893 avio_wb32(pb, 0x2c);
01894 ffio_wfourcc(pb, "APRF");
01895 avio_wb32(pb, 0x0);
01896 avio_wb32(pb, 0x2);
01897 ffio_wfourcc(pb, "mp4a");
01898 avio_wb32(pb, 0x20f);
01899 avio_wb32(pb, 0x0);
01900 avio_wb32(pb, audio_kbitrate);
01901 avio_wb32(pb, audio_kbitrate);
01902 avio_wb32(pb, AudioRate);
01903 avio_wb32(pb, AudioCodec->channels);
01904
01905 avio_wb32(pb, 0x34);
01906 ffio_wfourcc(pb, "VPRF");
01907 avio_wb32(pb, 0x0);
01908 avio_wb32(pb, 0x1);
01909 if (VideoCodec->codec_id == CODEC_ID_H264) {
01910 ffio_wfourcc(pb, "avc1");
01911 avio_wb16(pb, 0x014D);
01912 avio_wb16(pb, 0x0015);
01913 } else {
01914 ffio_wfourcc(pb, "mp4v");
01915 avio_wb16(pb, 0x0000);
01916 avio_wb16(pb, 0x0103);
01917 }
01918 avio_wb32(pb, 0x0);
01919 avio_wb32(pb, video_kbitrate);
01920 avio_wb32(pb, video_kbitrate);
01921 avio_wb32(pb, FrameRate);
01922 avio_wb32(pb, FrameRate);
01923 avio_wb16(pb, VideoCodec->width);
01924 avio_wb16(pb, VideoCodec->height);
01925 avio_wb32(pb, 0x010001);
01926 }
01927
01928 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
01929 {
01930 uint32_t c = -1;
01931 int i, closed_gop = 0;
01932
01933 for (i = 0; i < pkt->size - 4; i++) {
01934 c = (c<<8) + pkt->data[i];
01935 if (c == 0x1b8) {
01936 closed_gop = pkt->data[i+4]>>6 & 0x01;
01937 } else if (c == 0x100) {
01938 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
01939 if (!temp_ref || closed_gop)
01940 *flags = MOV_SYNC_SAMPLE;
01941 else
01942 *flags = MOV_PARTIAL_SYNC_SAMPLE;
01943 break;
01944 }
01945 }
01946 return 0;
01947 }
01948
01949 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
01950 {
01951 MOVMuxContext *mov = s->priv_data;
01952 AVIOContext *pb = s->pb;
01953 MOVTrack *trk = &mov->tracks[pkt->stream_index];
01954 AVCodecContext *enc = trk->enc;
01955 unsigned int samplesInChunk = 0;
01956 int size= pkt->size;
01957
01958 if (url_is_streamed(s->pb)) return 0;
01959 if (!size) return 0;
01960
01961 if (enc->codec_id == CODEC_ID_AMR_NB) {
01962
01963 static uint16_t packed_size[16] =
01964 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
01965 int len = 0;
01966
01967 while (len < size && samplesInChunk < 100) {
01968 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
01969 samplesInChunk++;
01970 }
01971 if(samplesInChunk > 1){
01972 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
01973 return -1;
01974 }
01975 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
01976 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
01977 samplesInChunk = enc->frame_size;
01978 } else if (trk->sampleSize)
01979 samplesInChunk = size/trk->sampleSize;
01980 else
01981 samplesInChunk = 1;
01982
01983
01984 if (trk->vosLen == 0 && enc->extradata_size > 0) {
01985 trk->vosLen = enc->extradata_size;
01986 trk->vosData = av_malloc(trk->vosLen);
01987 memcpy(trk->vosData, enc->extradata, trk->vosLen);
01988 }
01989
01990 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
01991
01992
01993 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
01994 } else {
01995 avio_write(pb, pkt->data, size);
01996 }
01997
01998 if ((enc->codec_id == CODEC_ID_DNXHD ||
01999 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
02000
02001 trk->vosLen = size;
02002 trk->vosData = av_malloc(size);
02003 if (!trk->vosData)
02004 return AVERROR(ENOMEM);
02005 memcpy(trk->vosData, pkt->data, size);
02006 }
02007
02008 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
02009 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
02010 if (!trk->cluster)
02011 return -1;
02012 }
02013
02014 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
02015 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
02016 trk->cluster[trk->entry].size = size;
02017 trk->cluster[trk->entry].entries = samplesInChunk;
02018 trk->cluster[trk->entry].dts = pkt->dts;
02019 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
02020
02021 if (pkt->pts == AV_NOPTS_VALUE) {
02022 av_log(s, AV_LOG_WARNING, "pts has no value\n");
02023 pkt->pts = pkt->dts;
02024 }
02025 if (pkt->dts != pkt->pts)
02026 trk->flags |= MOV_TRACK_CTTS;
02027 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
02028 trk->cluster[trk->entry].flags = 0;
02029 if (pkt->flags & AV_PKT_FLAG_KEY) {
02030 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
02031 trk->entry > 0) {
02032 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
02033 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
02034 trk->flags |= MOV_TRACK_STPS;
02035 } else {
02036 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
02037 }
02038 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
02039 trk->hasKeyframes++;
02040 }
02041 trk->entry++;
02042 trk->sampleCount += samplesInChunk;
02043 mov->mdat_size += size;
02044
02045 put_flush_packet(pb);
02046
02047 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
02048 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
02049 return 0;
02050 }
02051
02052
02053
02054 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
02055 {
02056 MOVMuxContext *mov = s->priv_data;
02057 MOVTrack *track = &mov->tracks[tracknum];
02058 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
02059 int i, len;
02060
02061 track->mode = mov->mode;
02062 track->tag = MKTAG('t','e','x','t');
02063 track->timescale = MOV_TIMESCALE;
02064 track->enc = avcodec_alloc_context();
02065 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
02066
02067 for (i = 0; i < s->nb_chapters; i++) {
02068 AVChapter *c = s->chapters[i];
02069 AVMetadataTag *t;
02070
02071 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
02072 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
02073 pkt.duration = end - pkt.dts;
02074
02075 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
02076 len = strlen(t->value);
02077 pkt.size = len+2;
02078 pkt.data = av_malloc(pkt.size);
02079 AV_WB16(pkt.data, len);
02080 memcpy(pkt.data+2, t->value, len);
02081 ff_mov_write_packet(s, &pkt);
02082 av_freep(&pkt.data);
02083 }
02084 }
02085 }
02086
02087 static int mov_write_header(AVFormatContext *s)
02088 {
02089 AVIOContext *pb = s->pb;
02090 MOVMuxContext *mov = s->priv_data;
02091 int i, hint_track = 0;
02092
02093 if (url_is_streamed(s->pb)) {
02094 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
02095 return -1;
02096 }
02097
02098
02099 mov->mode = MODE_MP4;
02100
02101 if (s->oformat != NULL) {
02102 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
02103 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
02104 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
02105 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
02106 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
02107
02108 mov_write_ftyp_tag(pb,s);
02109 if (mov->mode == MODE_PSP) {
02110 if (s->nb_streams != 2) {
02111 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
02112 return -1;
02113 }
02114 mov_write_uuidprof_tag(pb,s);
02115 }
02116 }
02117
02118 mov->nb_streams = s->nb_streams;
02119 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
02120 mov->chapter_track = mov->nb_streams++;
02121
02122 if (s->flags & AVFMT_FLAG_RTP_HINT) {
02123
02124 hint_track = mov->nb_streams;
02125 for (i = 0; i < s->nb_streams; i++) {
02126 AVStream *st = s->streams[i];
02127 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
02128 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
02129 mov->nb_streams++;
02130 }
02131 }
02132 }
02133
02134 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
02135 if (!mov->tracks)
02136 return AVERROR(ENOMEM);
02137
02138 for(i=0; i<s->nb_streams; i++){
02139 AVStream *st= s->streams[i];
02140 MOVTrack *track= &mov->tracks[i];
02141 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
02142
02143 track->enc = st->codec;
02144 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
02145 if (track->language < 0)
02146 track->language = 0;
02147 track->mode = mov->mode;
02148 track->tag = mov_find_codec_tag(s, track);
02149 if (!track->tag) {
02150 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
02151 "codec not currently supported in container\n", i);
02152 goto error;
02153 }
02154
02155
02156 track->hint_track = -1;
02157 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
02158 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
02159 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
02160 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
02161 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
02162 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
02163 goto error;
02164 }
02165 track->height = track->tag>>24 == 'n' ? 486 : 576;
02166 }
02167 track->timescale = st->codec->time_base.den;
02168 if (track->mode == MODE_MOV && track->timescale > 100000)
02169 av_log(s, AV_LOG_WARNING,
02170 "WARNING codec timebase is very high. If duration is too long,\n"
02171 "file may not be playable by quicktime. Specify a shorter timebase\n"
02172 "or choose different container.\n");
02173 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
02174 track->timescale = st->codec->sample_rate;
02175 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
02176 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
02177 goto error;
02178 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
02179 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
02180 if (!st->codec->block_align) {
02181 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
02182 goto error;
02183 }
02184 track->sampleSize = st->codec->block_align;
02185 }else if(st->codec->frame_size > 1){
02186 track->audio_vbr = 1;
02187 }else{
02188 st->codec->frame_size = 1;
02189 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
02190 }
02191 if (track->mode != MODE_MOV) {
02192 if (track->timescale > UINT16_MAX) {
02193 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
02194 "sample rate %dhz\n", i, track->timescale);
02195 goto error;
02196 }
02197 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
02198 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
02199 i, track->enc->sample_rate);
02200 goto error;
02201 }
02202 }
02203 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
02204 track->timescale = st->codec->time_base.den;
02205 }
02206 if (!track->height)
02207 track->height = st->codec->height;
02208
02209 av_set_pts_info(st, 64, 1, track->timescale);
02210 }
02211
02212 mov_write_mdat_tag(pb, mov);
02213 mov->time = s->timestamp + 0x7C25B080;
02214
02215 if (mov->chapter_track)
02216 mov_create_chapter_track(s, mov->chapter_track);
02217
02218 if (s->flags & AVFMT_FLAG_RTP_HINT) {
02219
02220 for (i = 0; i < s->nb_streams; i++) {
02221 AVStream *st = s->streams[i];
02222 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
02223 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
02224 ff_mov_init_hinting(s, hint_track, i);
02225 hint_track++;
02226 }
02227 }
02228 }
02229
02230 put_flush_packet(pb);
02231
02232 return 0;
02233 error:
02234 av_freep(&mov->tracks);
02235 return -1;
02236 }
02237
02238 static int mov_write_trailer(AVFormatContext *s)
02239 {
02240 MOVMuxContext *mov = s->priv_data;
02241 AVIOContext *pb = s->pb;
02242 int res = 0;
02243 int i;
02244
02245 int64_t moov_pos = avio_tell(pb);
02246
02247
02248 if (mov->mdat_size+8 <= UINT32_MAX) {
02249 avio_seek(pb, mov->mdat_pos, SEEK_SET);
02250 avio_wb32(pb, mov->mdat_size+8);
02251 } else {
02252
02253 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
02254 avio_wb32(pb, 1);
02255 ffio_wfourcc(pb, "mdat");
02256 avio_wb64(pb, mov->mdat_size+16);
02257 }
02258 avio_seek(pb, moov_pos, SEEK_SET);
02259
02260 mov_write_moov_tag(pb, mov, s);
02261
02262 if (mov->chapter_track)
02263 av_freep(&mov->tracks[mov->chapter_track].enc);
02264
02265 for (i=0; i<mov->nb_streams; i++) {
02266 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
02267 ff_mov_close_hinting(&mov->tracks[i]);
02268 av_freep(&mov->tracks[i].cluster);
02269
02270 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
02271
02272 }
02273
02274 put_flush_packet(pb);
02275
02276 av_freep(&mov->tracks);
02277
02278 return res;
02279 }
02280
02281 #if CONFIG_MOV_MUXER
02282 AVOutputFormat ff_mov_muxer = {
02283 "mov",
02284 NULL_IF_CONFIG_SMALL("MOV format"),
02285 NULL,
02286 "mov",
02287 sizeof(MOVMuxContext),
02288 CODEC_ID_AAC,
02289 CODEC_ID_MPEG4,
02290 mov_write_header,
02291 ff_mov_write_packet,
02292 mov_write_trailer,
02293 .flags = AVFMT_GLOBALHEADER,
02294 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
02295 };
02296 #endif
02297 #if CONFIG_TGP_MUXER
02298 AVOutputFormat ff_tgp_muxer = {
02299 "3gp",
02300 NULL_IF_CONFIG_SMALL("3GP format"),
02301 NULL,
02302 "3gp",
02303 sizeof(MOVMuxContext),
02304 CODEC_ID_AMR_NB,
02305 CODEC_ID_H263,
02306 mov_write_header,
02307 ff_mov_write_packet,
02308 mov_write_trailer,
02309 .flags = AVFMT_GLOBALHEADER,
02310 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
02311 };
02312 #endif
02313 #if CONFIG_MP4_MUXER
02314 AVOutputFormat ff_mp4_muxer = {
02315 "mp4",
02316 NULL_IF_CONFIG_SMALL("MP4 format"),
02317 "application/mp4",
02318 "mp4",
02319 sizeof(MOVMuxContext),
02320 CODEC_ID_AAC,
02321 CODEC_ID_MPEG4,
02322 mov_write_header,
02323 ff_mov_write_packet,
02324 mov_write_trailer,
02325 .flags = AVFMT_GLOBALHEADER,
02326 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
02327 };
02328 #endif
02329 #if CONFIG_PSP_MUXER
02330 AVOutputFormat ff_psp_muxer = {
02331 "psp",
02332 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
02333 NULL,
02334 "mp4,psp",
02335 sizeof(MOVMuxContext),
02336 CODEC_ID_AAC,
02337 CODEC_ID_MPEG4,
02338 mov_write_header,
02339 ff_mov_write_packet,
02340 mov_write_trailer,
02341 .flags = AVFMT_GLOBALHEADER,
02342 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
02343 };
02344 #endif
02345 #if CONFIG_TG2_MUXER
02346 AVOutputFormat ff_tg2_muxer = {
02347 "3g2",
02348 NULL_IF_CONFIG_SMALL("3GP2 format"),
02349 NULL,
02350 "3g2",
02351 sizeof(MOVMuxContext),
02352 CODEC_ID_AMR_NB,
02353 CODEC_ID_H263,
02354 mov_write_header,
02355 ff_mov_write_packet,
02356 mov_write_trailer,
02357 .flags = AVFMT_GLOBALHEADER,
02358 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
02359 };
02360 #endif
02361 #if CONFIG_IPOD_MUXER
02362 AVOutputFormat ff_ipod_muxer = {
02363 "ipod",
02364 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
02365 "application/mp4",
02366 "m4v,m4a",
02367 sizeof(MOVMuxContext),
02368 CODEC_ID_AAC,
02369 CODEC_ID_H264,
02370 mov_write_header,
02371 ff_mov_write_packet,
02372 mov_write_trailer,
02373 .flags = AVFMT_GLOBALHEADER,
02374 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
02375 };
02376 #endif