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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 #include "libavutil/intfloat.h"
00036 #include "libavutil/mathematics.h"
00037 #include "libavutil/opt.h"
00038 #include "libavutil/dict.h"
00039 #include "rtpenc.h"
00040 #include "mov_chan.h"
00041
00042 #undef NDEBUG
00043 #include <assert.h>
00044
00045 static const AVOption options[] = {
00046 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
00047 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
00048 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
00049 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
00050 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
00051 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
00052 { NULL },
00053 };
00054
00055 #define MOV_CLASS(flavor)\
00056 static const AVClass flavor ## _muxer_class = {\
00057 .class_name = #flavor " muxer",\
00058 .item_name = av_default_item_name,\
00059 .option = options,\
00060 .version = LIBAVUTIL_VERSION_INT,\
00061 };
00062
00063
00064 static int64_t updateSize(AVIOContext *pb, int64_t pos)
00065 {
00066 int64_t curpos = avio_tell(pb);
00067 avio_seek(pb, pos, SEEK_SET);
00068 avio_wb32(pb, curpos - pos);
00069 avio_seek(pb, curpos, SEEK_SET);
00070
00071 return curpos - pos;
00072 }
00073
00074
00075 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
00076 {
00077 int i;
00078 int mode64 = 0;
00079 int64_t pos = avio_tell(pb);
00080 avio_wb32(pb, 0);
00081 if (pos > UINT32_MAX) {
00082 mode64 = 1;
00083 ffio_wfourcc(pb, "co64");
00084 } else
00085 ffio_wfourcc(pb, "stco");
00086 avio_wb32(pb, 0);
00087 avio_wb32(pb, track->entry);
00088 for (i=0; i<track->entry; i++) {
00089 if(mode64 == 1)
00090 avio_wb64(pb, track->cluster[i].pos);
00091 else
00092 avio_wb32(pb, track->cluster[i].pos);
00093 }
00094 return updateSize(pb, pos);
00095 }
00096
00097
00098 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
00099 {
00100 int equalChunks = 1;
00101 int i, j, entries = 0, tst = -1, oldtst = -1;
00102
00103 int64_t pos = avio_tell(pb);
00104 avio_wb32(pb, 0);
00105 ffio_wfourcc(pb, "stsz");
00106 avio_wb32(pb, 0);
00107
00108 for (i=0; i<track->entry; i++) {
00109 tst = track->cluster[i].size/track->cluster[i].entries;
00110 if(oldtst != -1 && tst != oldtst) {
00111 equalChunks = 0;
00112 }
00113 oldtst = tst;
00114 entries += track->cluster[i].entries;
00115 }
00116 if (equalChunks) {
00117 int sSize = track->cluster[0].size/track->cluster[0].entries;
00118 sSize = FFMAX(1, sSize);
00119 avio_wb32(pb, sSize);
00120 avio_wb32(pb, entries);
00121 }
00122 else {
00123 avio_wb32(pb, 0);
00124 avio_wb32(pb, entries);
00125 for (i=0; i<track->entry; i++) {
00126 for (j=0; j<track->cluster[i].entries; j++) {
00127 avio_wb32(pb, track->cluster[i].size /
00128 track->cluster[i].entries);
00129 }
00130 }
00131 }
00132 return updateSize(pb, pos);
00133 }
00134
00135
00136 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
00137 {
00138 int index = 0, oldval = -1, i;
00139 int64_t entryPos, curpos;
00140
00141 int64_t pos = avio_tell(pb);
00142 avio_wb32(pb, 0);
00143 ffio_wfourcc(pb, "stsc");
00144 avio_wb32(pb, 0);
00145 entryPos = avio_tell(pb);
00146 avio_wb32(pb, track->entry);
00147 for (i=0; i<track->entry; i++) {
00148 if(oldval != track->cluster[i].samplesInChunk)
00149 {
00150 avio_wb32(pb, i+1);
00151 avio_wb32(pb, track->cluster[i].samplesInChunk);
00152 avio_wb32(pb, 0x1);
00153 oldval = track->cluster[i].samplesInChunk;
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
00162 return updateSize(pb, pos);
00163 }
00164
00165
00166 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
00167 {
00168 int64_t curpos, entryPos;
00169 int i, index = 0;
00170 int64_t pos = avio_tell(pb);
00171 avio_wb32(pb, 0);
00172 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
00173 avio_wb32(pb, 0);
00174 entryPos = avio_tell(pb);
00175 avio_wb32(pb, track->entry);
00176 for (i=0; i<track->entry; i++) {
00177 if (track->cluster[i].flags & flag) {
00178 avio_wb32(pb, i+1);
00179 index++;
00180 }
00181 }
00182 curpos = avio_tell(pb);
00183 avio_seek(pb, entryPos, SEEK_SET);
00184 avio_wb32(pb, index);
00185 avio_seek(pb, curpos, SEEK_SET);
00186 return updateSize(pb, pos);
00187 }
00188
00189 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
00190 {
00191 avio_wb32(pb, 0x11);
00192 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
00193 else ffio_wfourcc(pb, "damr");
00194 ffio_wfourcc(pb, "FFMP");
00195 avio_w8(pb, 0);
00196
00197 avio_wb16(pb, 0x81FF);
00198 avio_w8(pb, 0x00);
00199 avio_w8(pb, 0x01);
00200 return 0x11;
00201 }
00202
00203 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
00204 {
00205 GetBitContext gbc;
00206 PutBitContext pbc;
00207 uint8_t buf[3];
00208 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
00209
00210 if (track->vosLen < 7)
00211 return -1;
00212
00213 avio_wb32(pb, 11);
00214 ffio_wfourcc(pb, "dac3");
00215
00216 init_get_bits(&gbc, track->vosData+4, (track->vosLen-4) * 8);
00217 fscod = get_bits(&gbc, 2);
00218 frmsizecod = get_bits(&gbc, 6);
00219 bsid = get_bits(&gbc, 5);
00220 bsmod = get_bits(&gbc, 3);
00221 acmod = get_bits(&gbc, 3);
00222 if (acmod == 2) {
00223 skip_bits(&gbc, 2);
00224 } else {
00225 if ((acmod & 1) && acmod != 1)
00226 skip_bits(&gbc, 2);
00227 if (acmod & 4)
00228 skip_bits(&gbc, 2);
00229 }
00230 lfeon = get_bits1(&gbc);
00231
00232 init_put_bits(&pbc, buf, sizeof(buf));
00233 put_bits(&pbc, 2, fscod);
00234 put_bits(&pbc, 5, bsid);
00235 put_bits(&pbc, 3, bsmod);
00236 put_bits(&pbc, 3, acmod);
00237 put_bits(&pbc, 1, lfeon);
00238 put_bits(&pbc, 5, frmsizecod>>1);
00239 put_bits(&pbc, 5, 0);
00240
00241 flush_put_bits(&pbc);
00242 avio_write(pb, buf, sizeof(buf));
00243
00244 return 11;
00245 }
00246
00251 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
00252 {
00253 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
00254 return track->enc->extradata_size;
00255 }
00256
00257 static int mov_write_enda_tag(AVIOContext *pb)
00258 {
00259 avio_wb32(pb, 10);
00260 ffio_wfourcc(pb, "enda");
00261 avio_wb16(pb, 1);
00262 return 10;
00263 }
00264
00265 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
00266 {
00267 int i = 3;
00268 avio_w8(pb, tag);
00269 for(; i>0; i--)
00270 avio_w8(pb, (size>>(7*i)) | 0x80);
00271 avio_w8(pb, size & 0x7F);
00272 }
00273
00274 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track)
00275 {
00276 int64_t pos = avio_tell(pb);
00277 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
00278
00279 avio_wb32(pb, 0);
00280 ffio_wfourcc(pb, "esds");
00281 avio_wb32(pb, 0);
00282
00283
00284 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
00285 avio_wb16(pb, track->trackID);
00286 avio_w8(pb, 0x00);
00287
00288
00289 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
00290
00291
00292 if ((track->enc->codec_id == CODEC_ID_MP2 ||
00293 track->enc->codec_id == CODEC_ID_MP3) &&
00294 track->enc->sample_rate > 24000)
00295 avio_w8(pb, 0x6B);
00296 else
00297 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
00298
00299
00300
00301 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
00302 avio_w8(pb, 0x15);
00303 else
00304 avio_w8(pb, 0x11);
00305
00306 avio_w8(pb, track->enc->rc_buffer_size>>(3+16));
00307 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF);
00308
00309 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate));
00310 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
00311 avio_wb32(pb, 0);
00312 else
00313 avio_wb32(pb, track->enc->rc_max_rate);
00314
00315 if (track->vosLen) {
00316
00317 putDescr(pb, 0x05, track->vosLen);
00318 avio_write(pb, track->vosData, track->vosLen);
00319 }
00320
00321
00322 putDescr(pb, 0x06, 1);
00323 avio_w8(pb, 0x02);
00324 return updateSize(pb, pos);
00325 }
00326
00327 static int mov_pcm_le_gt16(enum CodecID codec_id)
00328 {
00329 return codec_id == CODEC_ID_PCM_S24LE ||
00330 codec_id == CODEC_ID_PCM_S32LE ||
00331 codec_id == CODEC_ID_PCM_F32LE ||
00332 codec_id == CODEC_ID_PCM_F64LE;
00333 }
00334
00335 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
00336 {
00337 int64_t pos = avio_tell(pb);
00338 avio_wb32(pb, 0);
00339 avio_wl32(pb, track->tag);
00340 track->enc->codec_tag = av_bswap16(track->tag >> 16);
00341 ff_put_wav_header(pb, track->enc);
00342 return updateSize(pb, pos);
00343 }
00344
00345 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
00346 {
00347 uint32_t layout_tag, bitmap;
00348 int64_t pos = avio_tell(pb);
00349
00350 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
00351 track->enc->channel_layout,
00352 &bitmap);
00353 if (!layout_tag) {
00354 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
00355 "lack of channel information\n");
00356 return 0;
00357 }
00358
00359 avio_wb32(pb, 0);
00360 ffio_wfourcc(pb, "chan");
00361 avio_w8(pb, 0);
00362 avio_wb24(pb, 0);
00363 avio_wb32(pb, layout_tag);
00364 avio_wb32(pb, bitmap);
00365 avio_wb32(pb, 0);
00366
00367 return updateSize(pb, pos);
00368 }
00369
00370 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
00371 {
00372 int64_t pos = avio_tell(pb);
00373
00374 avio_wb32(pb, 0);
00375 ffio_wfourcc(pb, "wave");
00376
00377 avio_wb32(pb, 12);
00378 ffio_wfourcc(pb, "frma");
00379 avio_wl32(pb, track->tag);
00380
00381 if (track->enc->codec_id == CODEC_ID_AAC) {
00382
00383 avio_wb32(pb, 12);
00384 ffio_wfourcc(pb, "mp4a");
00385 avio_wb32(pb, 0);
00386 mov_write_esds_tag(pb, track);
00387 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
00388 mov_write_enda_tag(pb);
00389 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
00390 mov_write_amr_tag(pb, track);
00391 } else if (track->enc->codec_id == CODEC_ID_AC3) {
00392 mov_write_chan_tag(pb, track);
00393 mov_write_ac3_tag(pb, track);
00394 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
00395 mov_write_extradata_tag(pb, track);
00396 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
00397 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
00398 mov_write_ms_tag(pb, track);
00399 }
00400
00401 avio_wb32(pb, 8);
00402 avio_wb32(pb, 0);
00403
00404 return updateSize(pb, pos);
00405 }
00406
00407 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
00408 {
00409 avio_wb32(pb, track->vosLen+8);
00410 ffio_wfourcc(pb, "glbl");
00411 avio_write(pb, track->vosData, track->vosLen);
00412 return 8+track->vosLen;
00413 }
00414
00419 static int mov_get_lpcm_flags(enum CodecID codec_id)
00420 {
00421 switch (codec_id) {
00422 case CODEC_ID_PCM_F32BE:
00423 case CODEC_ID_PCM_F64BE:
00424 return 11;
00425 case CODEC_ID_PCM_F32LE:
00426 case CODEC_ID_PCM_F64LE:
00427 return 9;
00428 case CODEC_ID_PCM_U8:
00429 return 10;
00430 case CODEC_ID_PCM_S16BE:
00431 case CODEC_ID_PCM_S24BE:
00432 case CODEC_ID_PCM_S32BE:
00433 return 14;
00434 case CODEC_ID_PCM_S8:
00435 case CODEC_ID_PCM_S16LE:
00436 case CODEC_ID_PCM_S24LE:
00437 case CODEC_ID_PCM_S32LE:
00438 return 12;
00439 default:
00440 return 0;
00441 }
00442 }
00443
00444 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
00445 {
00446 int64_t pos = avio_tell(pb);
00447 int version = 0;
00448 uint32_t tag = track->tag;
00449
00450 if (track->mode == MODE_MOV) {
00451 if (mov_get_lpcm_flags(track->enc->codec_id))
00452 tag = AV_RL32("lpcm");
00453 version = 2;
00454 }
00455
00456 avio_wb32(pb, 0);
00457 avio_wl32(pb, tag);
00458 avio_wb32(pb, 0);
00459 avio_wb16(pb, 0);
00460 avio_wb16(pb, 1);
00461
00462
00463 avio_wb16(pb, version);
00464 avio_wb16(pb, 0);
00465 avio_wb32(pb, 0);
00466
00467 if (version == 2) {
00468 avio_wb16(pb, 3);
00469 avio_wb16(pb, 16);
00470 avio_wb16(pb, 0xfffe);
00471 avio_wb16(pb, 0);
00472 avio_wb32(pb, 0x00010000);
00473 avio_wb32(pb, 72);
00474 avio_wb64(pb, av_double2int(track->timescale));
00475 avio_wb32(pb, track->enc->channels);
00476 avio_wb32(pb, 0x7F000000);
00477 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
00478 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
00479 avio_wb32(pb, track->sampleSize);
00480 avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
00481 } else {
00482
00483 avio_wb16(pb, 2);
00484 avio_wb16(pb, 16);
00485 avio_wb16(pb, 0);
00486
00487 avio_wb16(pb, 0);
00488 avio_wb16(pb, track->timescale);
00489 avio_wb16(pb, 0);
00490 }
00491
00492 if(track->mode == MODE_MOV &&
00493 (track->enc->codec_id == CODEC_ID_AAC ||
00494 track->enc->codec_id == CODEC_ID_AC3 ||
00495 track->enc->codec_id == CODEC_ID_AMR_NB ||
00496 track->enc->codec_id == CODEC_ID_ALAC ||
00497 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
00498 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
00499 mov_pcm_le_gt16(track->enc->codec_id)))
00500 mov_write_wave_tag(pb, track);
00501 else if(track->tag == MKTAG('m','p','4','a'))
00502 mov_write_esds_tag(pb, track);
00503 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
00504 mov_write_amr_tag(pb, track);
00505 else if(track->enc->codec_id == CODEC_ID_AC3)
00506 mov_write_ac3_tag(pb, track);
00507 else if(track->enc->codec_id == CODEC_ID_ALAC)
00508 mov_write_extradata_tag(pb, track);
00509 else if(track->vosLen > 0)
00510 mov_write_glbl_tag(pb, track);
00511
00512 return updateSize(pb, pos);
00513 }
00514
00515 static int mov_write_d263_tag(AVIOContext *pb)
00516 {
00517 avio_wb32(pb, 0xf);
00518 ffio_wfourcc(pb, "d263");
00519 ffio_wfourcc(pb, "FFMP");
00520 avio_w8(pb, 0);
00521
00522 avio_w8(pb, 0xa);
00523 avio_w8(pb, 0);
00524 return 0xf;
00525 }
00526
00527
00528 static int mov_write_svq3_tag(AVIOContext *pb)
00529 {
00530 avio_wb32(pb, 0x15);
00531 ffio_wfourcc(pb, "SMI ");
00532 ffio_wfourcc(pb, "SEQH");
00533 avio_wb32(pb, 0x5);
00534 avio_wb32(pb, 0xe2c0211d);
00535 avio_wb32(pb, 0xc0000000);
00536 avio_w8(pb, 0);
00537 return 0x15;
00538 }
00539
00540 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
00541 {
00542 int64_t pos = avio_tell(pb);
00543
00544 avio_wb32(pb, 0);
00545 ffio_wfourcc(pb, "avcC");
00546 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
00547 return updateSize(pb, pos);
00548 }
00549
00550
00551 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
00552 {
00553 int i;
00554 avio_wb32(pb, 24);
00555 ffio_wfourcc(pb, "ACLR");
00556 ffio_wfourcc(pb, "ACLR");
00557 ffio_wfourcc(pb, "0001");
00558 avio_wb32(pb, 2);
00559 avio_wb32(pb, 0);
00560
00561 avio_wb32(pb, 24);
00562 ffio_wfourcc(pb, "APRG");
00563 ffio_wfourcc(pb, "APRG");
00564 ffio_wfourcc(pb, "0001");
00565 avio_wb32(pb, 1);
00566 avio_wb32(pb, 0);
00567
00568 avio_wb32(pb, 120);
00569 ffio_wfourcc(pb, "ARES");
00570 ffio_wfourcc(pb, "ARES");
00571 ffio_wfourcc(pb, "0001");
00572 avio_wb32(pb, AV_RB32(track->vosData + 0x28));
00573 avio_wb32(pb, track->enc->width);
00574
00575 if (track->vosData[5] & 2) {
00576 avio_wb32(pb, track->enc->height/2);
00577 avio_wb32(pb, 2);
00578 avio_wb32(pb, 0);
00579 avio_wb32(pb, 4);
00580 } else {
00581 avio_wb32(pb, track->enc->height);
00582 avio_wb32(pb, 1);
00583 avio_wb32(pb, 0);
00584 if (track->enc->height == 1080)
00585 avio_wb32(pb, 5);
00586 else
00587 avio_wb32(pb, 6);
00588 }
00589
00590 for (i = 0; i < 10; i++)
00591 avio_wb64(pb, 0);
00592
00593
00594 avio_wb32(pb, 0);
00595 return 0;
00596 }
00597
00598 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
00599 {
00600 int tag = track->enc->codec_tag;
00601
00602 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
00603 return 0;
00604
00605 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
00606 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
00607 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
00608 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
00609 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
00610 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
00611
00612 return tag;
00613 }
00614
00615 static const AVCodecTag codec_ipod_tags[] = {
00616 { CODEC_ID_H264, MKTAG('a','v','c','1') },
00617 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
00618 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
00619 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
00620 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
00621 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
00622 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
00623 { CODEC_ID_NONE, 0 },
00624 };
00625
00626 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
00627 {
00628 int tag = track->enc->codec_tag;
00629
00630
00631 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
00632 (tag == MKTAG('t','x','3','g') ||
00633 tag == MKTAG('t','e','x','t'))))
00634 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
00635
00636 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
00637 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
00638 "Quicktime/Ipod might not play the file\n");
00639
00640 return tag;
00641 }
00642
00643 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
00644 {
00645 int tag;
00646
00647 if (track->enc->width == 720)
00648 if (track->enc->height == 480)
00649 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
00650 else tag = MKTAG('d','v','c',' ');
00651 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
00652 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
00653 else tag = MKTAG('d','v','p','p');
00654 else if (track->enc->height == 720)
00655 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
00656 else tag = MKTAG('d','v','h','p');
00657 else if (track->enc->height == 1080)
00658 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
00659 else tag = MKTAG('d','v','h','6');
00660 else {
00661 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
00662 return 0;
00663 }
00664
00665 return tag;
00666 }
00667
00668 static const struct {
00669 enum PixelFormat pix_fmt;
00670 uint32_t tag;
00671 unsigned bps;
00672 } mov_pix_fmt_tags[] = {
00673 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
00674 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
00675 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
00676 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
00677 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
00678 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
00679 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
00680 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
00681 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
00682 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
00683 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
00684 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
00685 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
00686 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
00687 };
00688
00689 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
00690 {
00691 int tag = track->enc->codec_tag;
00692 int i;
00693
00694 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
00695 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
00696 tag = mov_pix_fmt_tags[i].tag;
00697 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
00698 break;
00699 }
00700 }
00701
00702 return tag;
00703 }
00704
00705 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
00706 {
00707 int tag = track->enc->codec_tag;
00708
00709 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
00710 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
00711 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
00712 track->enc->codec_id == CODEC_ID_H263 ||
00713 av_get_bits_per_sample(track->enc->codec_id)))) {
00714 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
00715 tag = mov_get_dv_codec_tag(s, track);
00716 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
00717 tag = mov_get_rawvideo_codec_tag(s, track);
00718 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
00719 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
00720 if (!tag) {
00721 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
00722 if (tag)
00723 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
00724 "the file may be unplayable!\n");
00725 }
00726 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
00727 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
00728 if (!tag) {
00729 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
00730 if (ms_tag) {
00731 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
00732 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
00733 "the file may be unplayable!\n");
00734 }
00735 }
00736 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
00737 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
00738 }
00739
00740 return tag;
00741 }
00742
00743 static const AVCodecTag codec_3gp_tags[] = {
00744 { CODEC_ID_H263, MKTAG('s','2','6','3') },
00745 { CODEC_ID_H264, MKTAG('a','v','c','1') },
00746 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
00747 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
00748 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
00749 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
00750 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
00751 { CODEC_ID_NONE, 0 },
00752 };
00753
00754 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
00755 {
00756 int tag = track->enc->codec_tag;
00757
00758 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
00759 tag = mp4_get_codec_tag(s, track);
00760 else if (track->mode == MODE_IPOD)
00761 tag = ipod_get_codec_tag(s, track);
00762 else if (track->mode & MODE_3GP)
00763 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
00764 else
00765 tag = mov_get_codec_tag(s, track);
00766
00767 return tag;
00768 }
00769
00774 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
00775 {
00776 avio_wb32(pb, 28);
00777 ffio_wfourcc(pb, "uuid");
00778 avio_wb32(pb, 0x6b6840f2);
00779 avio_wb32(pb, 0x5f244fc5);
00780 avio_wb32(pb, 0xba39a51b);
00781 avio_wb32(pb, 0xcf0323f3);
00782 avio_wb32(pb, 0x0);
00783 return 28;
00784 }
00785
00786 static const uint16_t fiel_data[] = {
00787 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
00788 };
00789
00790 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
00791 {
00792 unsigned mov_field_order = 0;
00793 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
00794 mov_field_order = fiel_data[track->enc->field_order];
00795 else
00796 return 0;
00797 avio_wb32(pb, 10);
00798 ffio_wfourcc(pb, "fiel");
00799 avio_wb16(pb, mov_field_order);
00800 return 10;
00801 }
00802
00803 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
00804 {
00805 int64_t pos = avio_tell(pb);
00806 avio_wb32(pb, 0);
00807 avio_wl32(pb, track->tag);
00808 avio_wb32(pb, 0);
00809 avio_wb16(pb, 0);
00810 avio_wb16(pb, 1);
00811
00812 if (track->enc->extradata_size)
00813 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
00814
00815 return updateSize(pb, pos);
00816 }
00817
00818 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
00819 {
00820 AVRational sar;
00821 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
00822 track->enc->sample_aspect_ratio.den, INT_MAX);
00823
00824 avio_wb32(pb, 16);
00825 ffio_wfourcc(pb, "pasp");
00826 avio_wb32(pb, sar.num);
00827 avio_wb32(pb, sar.den);
00828 return 16;
00829 }
00830
00831 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
00832 {
00833 int64_t pos = avio_tell(pb);
00834 char compressor_name[32];
00835
00836 avio_wb32(pb, 0);
00837 avio_wl32(pb, track->tag);
00838 avio_wb32(pb, 0);
00839 avio_wb16(pb, 0);
00840 avio_wb16(pb, 1);
00841
00842 avio_wb16(pb, 0);
00843 avio_wb16(pb, 0);
00844 if (track->mode == MODE_MOV) {
00845 ffio_wfourcc(pb, "FFMP");
00846 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
00847 avio_wb32(pb, 0);
00848 avio_wb32(pb, 0x400);
00849 } else {
00850 avio_wb32(pb, 0x200);
00851 avio_wb32(pb, 0x200);
00852 }
00853 } else {
00854 avio_wb32(pb, 0);
00855 avio_wb32(pb, 0);
00856 avio_wb32(pb, 0);
00857 }
00858 avio_wb16(pb, track->enc->width);
00859 avio_wb16(pb, track->height);
00860 avio_wb32(pb, 0x00480000);
00861 avio_wb32(pb, 0x00480000);
00862 avio_wb32(pb, 0);
00863 avio_wb16(pb, 1);
00864
00865 memset(compressor_name,0,32);
00866
00867 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
00868 av_strlcpy(compressor_name,track->enc->codec->name,32);
00869 avio_w8(pb, strlen(compressor_name));
00870 avio_write(pb, compressor_name, 31);
00871
00872 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
00873 avio_wb16(pb, track->enc->bits_per_coded_sample);
00874 else
00875 avio_wb16(pb, 0x18);
00876 avio_wb16(pb, 0xffff);
00877 if(track->tag == MKTAG('m','p','4','v'))
00878 mov_write_esds_tag(pb, track);
00879 else if(track->enc->codec_id == CODEC_ID_H263)
00880 mov_write_d263_tag(pb);
00881 else if(track->enc->codec_id == CODEC_ID_SVQ3)
00882 mov_write_svq3_tag(pb);
00883 else if(track->enc->codec_id == CODEC_ID_DNXHD)
00884 mov_write_avid_tag(pb, track);
00885 else if(track->enc->codec_id == CODEC_ID_H264) {
00886 mov_write_avcc_tag(pb, track);
00887 if(track->mode == MODE_IPOD)
00888 mov_write_uuid_tag_ipod(pb);
00889 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
00890 mov_write_fiel_tag(pb, track);
00891 else if(track->vosLen > 0)
00892 mov_write_glbl_tag(pb, track);
00893
00894 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
00895 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
00896 mov_write_pasp_tag(pb, track);
00897 }
00898
00899 return updateSize(pb, pos);
00900 }
00901
00902 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
00903 {
00904 int64_t pos = avio_tell(pb);
00905 avio_wb32(pb, 0);
00906 ffio_wfourcc(pb, "rtp ");
00907 avio_wb32(pb, 0);
00908 avio_wb16(pb, 0);
00909 avio_wb16(pb, 1);
00910
00911 avio_wb16(pb, 1);
00912 avio_wb16(pb, 1);
00913 avio_wb32(pb, track->max_packet_size);
00914
00915 avio_wb32(pb, 12);
00916 ffio_wfourcc(pb, "tims");
00917 avio_wb32(pb, track->timescale);
00918
00919 return updateSize(pb, pos);
00920 }
00921
00922 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
00923 {
00924 int64_t pos = avio_tell(pb);
00925 avio_wb32(pb, 0);
00926 ffio_wfourcc(pb, "stsd");
00927 avio_wb32(pb, 0);
00928 avio_wb32(pb, 1);
00929 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
00930 mov_write_video_tag(pb, track);
00931 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
00932 mov_write_audio_tag(pb, track);
00933 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
00934 mov_write_subtitle_tag(pb, track);
00935 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
00936 mov_write_rtp_tag(pb, track);
00937 return updateSize(pb, pos);
00938 }
00939
00940 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
00941 {
00942 MOVStts *ctts_entries;
00943 uint32_t entries = 0;
00944 uint32_t atom_size;
00945 int i;
00946
00947 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries));
00948 ctts_entries[0].count = 1;
00949 ctts_entries[0].duration = track->cluster[0].cts;
00950 for (i=1; i<track->entry; i++) {
00951 if (track->cluster[i].cts == ctts_entries[entries].duration) {
00952 ctts_entries[entries].count++;
00953 } else {
00954 entries++;
00955 ctts_entries[entries].duration = track->cluster[i].cts;
00956 ctts_entries[entries].count = 1;
00957 }
00958 }
00959 entries++;
00960 atom_size = 16 + (entries * 8);
00961 avio_wb32(pb, atom_size);
00962 ffio_wfourcc(pb, "ctts");
00963 avio_wb32(pb, 0);
00964 avio_wb32(pb, entries);
00965 for (i=0; i<entries; i++) {
00966 avio_wb32(pb, ctts_entries[i].count);
00967 avio_wb32(pb, ctts_entries[i].duration);
00968 }
00969 av_free(ctts_entries);
00970 return atom_size;
00971 }
00972
00973
00974 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
00975 {
00976 MOVStts *stts_entries;
00977 uint32_t entries = -1;
00978 uint32_t atom_size;
00979 int i;
00980
00981 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
00982 stts_entries = av_malloc(sizeof(*stts_entries));
00983 stts_entries[0].count = track->sampleCount;
00984 stts_entries[0].duration = 1;
00985 entries = 1;
00986 } else {
00987 stts_entries = av_malloc(track->entry * sizeof(*stts_entries));
00988 for (i=0; i<track->entry; i++) {
00989 int64_t duration = i + 1 == track->entry ?
00990 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts :
00991 track->cluster[i+1].dts - track->cluster[i].dts;
00992 if (i && duration == stts_entries[entries].duration) {
00993 stts_entries[entries].count++;
00994 } else {
00995 entries++;
00996 stts_entries[entries].duration = duration;
00997 stts_entries[entries].count = 1;
00998 }
00999 }
01000 entries++;
01001 }
01002 atom_size = 16 + (entries * 8);
01003 avio_wb32(pb, atom_size);
01004 ffio_wfourcc(pb, "stts");
01005 avio_wb32(pb, 0);
01006 avio_wb32(pb, entries);
01007 for (i=0; i<entries; i++) {
01008 avio_wb32(pb, stts_entries[i].count);
01009 avio_wb32(pb, stts_entries[i].duration);
01010 }
01011 av_free(stts_entries);
01012 return atom_size;
01013 }
01014
01015 static int mov_write_dref_tag(AVIOContext *pb)
01016 {
01017 avio_wb32(pb, 28);
01018 ffio_wfourcc(pb, "dref");
01019 avio_wb32(pb, 0);
01020 avio_wb32(pb, 1);
01021
01022 avio_wb32(pb, 0xc);
01023 ffio_wfourcc(pb, "url ");
01024 avio_wb32(pb, 1);
01025
01026 return 28;
01027 }
01028
01029 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
01030 {
01031 int64_t pos = avio_tell(pb);
01032 avio_wb32(pb, 0);
01033 ffio_wfourcc(pb, "stbl");
01034 mov_write_stsd_tag(pb, track);
01035 mov_write_stts_tag(pb, track);
01036 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
01037 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
01038 track->hasKeyframes && track->hasKeyframes < track->entry)
01039 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
01040 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
01041 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
01042 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
01043 track->flags & MOV_TRACK_CTTS)
01044 mov_write_ctts_tag(pb, track);
01045 mov_write_stsc_tag(pb, track);
01046 mov_write_stsz_tag(pb, track);
01047 mov_write_stco_tag(pb, track);
01048 return updateSize(pb, pos);
01049 }
01050
01051 static int mov_write_dinf_tag(AVIOContext *pb)
01052 {
01053 int64_t pos = avio_tell(pb);
01054 avio_wb32(pb, 0);
01055 ffio_wfourcc(pb, "dinf");
01056 mov_write_dref_tag(pb);
01057 return updateSize(pb, pos);
01058 }
01059
01060 static int mov_write_nmhd_tag(AVIOContext *pb)
01061 {
01062 avio_wb32(pb, 12);
01063 ffio_wfourcc(pb, "nmhd");
01064 avio_wb32(pb, 0);
01065 return 12;
01066 }
01067
01068 static int mov_write_gmhd_tag(AVIOContext *pb)
01069 {
01070 avio_wb32(pb, 0x20);
01071 ffio_wfourcc(pb, "gmhd");
01072 avio_wb32(pb, 0x18);
01073 ffio_wfourcc(pb, "gmin");
01074 avio_wb32(pb, 0);
01075 avio_wb16(pb, 0x40);
01076 avio_wb16(pb, 0x8000);
01077 avio_wb16(pb, 0x8000);
01078 avio_wb16(pb, 0x8000);
01079 avio_wb16(pb, 0);
01080 avio_wb16(pb, 0);
01081 return 0x20;
01082 }
01083
01084 static int mov_write_smhd_tag(AVIOContext *pb)
01085 {
01086 avio_wb32(pb, 16);
01087 ffio_wfourcc(pb, "smhd");
01088 avio_wb32(pb, 0);
01089 avio_wb16(pb, 0);
01090 avio_wb16(pb, 0);
01091 return 16;
01092 }
01093
01094 static int mov_write_vmhd_tag(AVIOContext *pb)
01095 {
01096 avio_wb32(pb, 0x14);
01097 ffio_wfourcc(pb, "vmhd");
01098 avio_wb32(pb, 0x01);
01099 avio_wb64(pb, 0);
01100 return 0x14;
01101 }
01102
01103 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
01104 {
01105 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
01106 int64_t pos = avio_tell(pb);
01107
01108 if (!track) {
01109 hdlr = "dhlr";
01110 hdlr_type = "url ";
01111 descr = "DataHandler";
01112 } else {
01113 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
01114 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01115 hdlr_type = "vide";
01116 descr = "VideoHandler";
01117 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
01118 hdlr_type = "soun";
01119 descr = "SoundHandler";
01120 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
01121 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
01122 else hdlr_type = "text";
01123 descr = "SubtitleHandler";
01124 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
01125 hdlr_type = "hint";
01126 descr = "HintHandler";
01127 }
01128 }
01129
01130 avio_wb32(pb, 0);
01131 ffio_wfourcc(pb, "hdlr");
01132 avio_wb32(pb, 0);
01133 avio_write(pb, hdlr, 4);
01134 ffio_wfourcc(pb, hdlr_type);
01135 avio_wb32(pb ,0);
01136 avio_wb32(pb ,0);
01137 avio_wb32(pb ,0);
01138 if (!track || track->mode == MODE_MOV)
01139 avio_w8(pb, strlen(descr));
01140 avio_write(pb, descr, strlen(descr));
01141 if (track && track->mode != MODE_MOV)
01142 avio_w8(pb, 0);
01143 return updateSize(pb, pos);
01144 }
01145
01146 static int mov_write_hmhd_tag(AVIOContext *pb)
01147 {
01148
01149
01150 avio_wb32(pb, 28);
01151 ffio_wfourcc(pb, "hmhd");
01152 avio_wb32(pb, 0);
01153 avio_wb16(pb, 0);
01154 avio_wb16(pb, 0);
01155 avio_wb32(pb, 0);
01156 avio_wb32(pb, 0);
01157 avio_wb32(pb, 0);
01158 return 28;
01159 }
01160
01161 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
01162 {
01163 int64_t pos = avio_tell(pb);
01164 avio_wb32(pb, 0);
01165 ffio_wfourcc(pb, "minf");
01166 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
01167 mov_write_vmhd_tag(pb);
01168 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
01169 mov_write_smhd_tag(pb);
01170 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
01171 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
01172 else mov_write_nmhd_tag(pb);
01173 } else if (track->tag == MKTAG('r','t','p',' ')) {
01174 mov_write_hmhd_tag(pb);
01175 }
01176 if (track->mode == MODE_MOV)
01177 mov_write_hdlr_tag(pb, NULL);
01178 mov_write_dinf_tag(pb);
01179 mov_write_stbl_tag(pb, track);
01180 return updateSize(pb, pos);
01181 }
01182
01183 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
01184 {
01185 int version = track->trackDuration < INT32_MAX ? 0 : 1;
01186
01187 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32);
01188 ffio_wfourcc(pb, "mdhd");
01189 avio_w8(pb, version);
01190 avio_wb24(pb, 0);
01191 if (version == 1) {
01192 avio_wb64(pb, track->time);
01193 avio_wb64(pb, track->time);
01194 } else {
01195 avio_wb32(pb, track->time);
01196 avio_wb32(pb, track->time);
01197 }
01198 avio_wb32(pb, track->timescale);
01199 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration);
01200 avio_wb16(pb, track->language);
01201 avio_wb16(pb, 0);
01202
01203 if(version!=0 && track->mode == MODE_MOV){
01204 av_log(NULL, AV_LOG_ERROR,
01205 "FATAL error, file duration too long for timebase, this file will not be\n"
01206 "playable with quicktime. Choose a different timebase or a different\n"
01207 "container format\n");
01208 }
01209
01210 return 32;
01211 }
01212
01213 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
01214 {
01215 int64_t pos = avio_tell(pb);
01216 avio_wb32(pb, 0);
01217 ffio_wfourcc(pb, "mdia");
01218 mov_write_mdhd_tag(pb, track);
01219 mov_write_hdlr_tag(pb, track);
01220 mov_write_minf_tag(pb, track);
01221 return updateSize(pb, pos);
01222 }
01223
01224 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
01225 {
01226 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
01227 track->timescale, AV_ROUND_UP);
01228 int version = duration < INT32_MAX ? 0 : 1;
01229
01230 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92);
01231 ffio_wfourcc(pb, "tkhd");
01232 avio_w8(pb, version);
01233 avio_wb24(pb, 0xf);
01234 if (version == 1) {
01235 avio_wb64(pb, track->time);
01236 avio_wb64(pb, track->time);
01237 } else {
01238 avio_wb32(pb, track->time);
01239 avio_wb32(pb, track->time);
01240 }
01241 avio_wb32(pb, track->trackID);
01242 avio_wb32(pb, 0);
01243 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
01244
01245 avio_wb32(pb, 0);
01246 avio_wb32(pb, 0);
01247 avio_wb16(pb, 0);
01248 avio_wb16(pb, st ? st->codec->codec_type : 0);
01249
01250 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
01251 avio_wb16(pb, 0x0100);
01252 else
01253 avio_wb16(pb, 0);
01254 avio_wb16(pb, 0);
01255
01256
01257 avio_wb32(pb, 0x00010000);
01258 avio_wb32(pb, 0x0);
01259 avio_wb32(pb, 0x0);
01260 avio_wb32(pb, 0x0);
01261 avio_wb32(pb, 0x00010000);
01262 avio_wb32(pb, 0x0);
01263 avio_wb32(pb, 0x0);
01264 avio_wb32(pb, 0x0);
01265 avio_wb32(pb, 0x40000000);
01266
01267
01268 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
01269 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
01270 if(track->mode == MODE_MOV) {
01271 avio_wb32(pb, track->enc->width << 16);
01272 avio_wb32(pb, track->height << 16);
01273 } else {
01274 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
01275 if(!sample_aspect_ratio || track->height != track->enc->height)
01276 sample_aspect_ratio = 1;
01277 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
01278 avio_wb32(pb, track->height*0x10000);
01279 }
01280 }
01281 else {
01282 avio_wb32(pb, 0);
01283 avio_wb32(pb, 0);
01284 }
01285 return 0x5c;
01286 }
01287
01288 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
01289 {
01290 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
01291 track->enc->sample_aspect_ratio.den);
01292
01293 int64_t pos = avio_tell(pb);
01294
01295 avio_wb32(pb, 0);
01296 ffio_wfourcc(pb, "tapt");
01297
01298 avio_wb32(pb, 20);
01299 ffio_wfourcc(pb, "clef");
01300 avio_wb32(pb, 0);
01301 avio_wb32(pb, width << 16);
01302 avio_wb32(pb, track->enc->height << 16);
01303
01304 avio_wb32(pb, 20);
01305 ffio_wfourcc(pb, "enof");
01306 avio_wb32(pb, 0);
01307 avio_wb32(pb, track->enc->width << 16);
01308 avio_wb32(pb, track->enc->height << 16);
01309
01310 return updateSize(pb, pos);
01311 }
01312
01313
01314 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
01315 {
01316 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
01317 track->timescale, AV_ROUND_UP);
01318 int version = duration < INT32_MAX ? 0 : 1;
01319 int entry_size, entry_count, size;
01320 int64_t delay, start_ct = track->cluster[0].cts;
01321 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
01322 track->timescale, AV_ROUND_DOWN);
01323 version |= delay < INT32_MAX ? 0 : 1;
01324
01325 entry_size = (version == 1) ? 20 : 12;
01326 entry_count = 1 + (delay > 0);
01327 size = 24 + entry_count * entry_size;
01328
01329
01330 avio_wb32(pb, size);
01331 ffio_wfourcc(pb, "edts");
01332 avio_wb32(pb, size - 8);
01333 ffio_wfourcc(pb, "elst");
01334 avio_w8(pb, version);
01335 avio_wb24(pb, 0);
01336
01337 avio_wb32(pb, entry_count);
01338 if (delay > 0) {
01339 if (version == 1) {
01340 avio_wb64(pb, delay);
01341 avio_wb64(pb, -1);
01342 } else {
01343 avio_wb32(pb, delay);
01344 avio_wb32(pb, -1);
01345 }
01346 avio_wb32(pb, 0x00010000);
01347 }
01348
01349
01350 if (version == 1) {
01351 avio_wb64(pb, duration);
01352 avio_wb64(pb, start_ct);
01353 } else {
01354 avio_wb32(pb, duration);
01355 avio_wb32(pb, start_ct);
01356 }
01357 avio_wb32(pb, 0x00010000);
01358 return size;
01359 }
01360
01361 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
01362 {
01363 avio_wb32(pb, 20);
01364 ffio_wfourcc(pb, "tref");
01365 avio_wb32(pb, 12);
01366 avio_wl32(pb, track->tref_tag);
01367 avio_wb32(pb, track->tref_id);
01368 return 20;
01369 }
01370
01371
01372 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
01373 {
01374 avio_wb32(pb, 0x34);
01375 ffio_wfourcc(pb, "uuid");
01376 ffio_wfourcc(pb, "USMT");
01377 avio_wb32(pb, 0x21d24fce);
01378 avio_wb32(pb, 0xbb88695c);
01379 avio_wb32(pb, 0xfac9c740);
01380 avio_wb32(pb, 0x1c);
01381 ffio_wfourcc(pb, "MTDT");
01382 avio_wb32(pb, 0x00010012);
01383 avio_wb32(pb, 0x0a);
01384 avio_wb32(pb, 0x55c40000);
01385 avio_wb32(pb, 0x1);
01386 avio_wb32(pb, 0x0);
01387 return 0x34;
01388 }
01389
01390 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
01391 {
01392 char buf[1000] = "";
01393 int len;
01394
01395 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
01396 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
01397 len = strlen(buf);
01398
01399 avio_wb32(pb, len + 24);
01400 ffio_wfourcc(pb, "udta");
01401 avio_wb32(pb, len + 16);
01402 ffio_wfourcc(pb, "hnti");
01403 avio_wb32(pb, len + 8);
01404 ffio_wfourcc(pb, "sdp ");
01405 avio_write(pb, buf, len);
01406 return len + 24;
01407 }
01408
01409 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
01410 {
01411 int64_t pos = avio_tell(pb);
01412 avio_wb32(pb, 0);
01413 ffio_wfourcc(pb, "trak");
01414 mov_write_tkhd_tag(pb, track, st);
01415 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
01416 mov_write_edts_tag(pb, track);
01417 if (track->tref_tag)
01418 mov_write_tref_tag(pb, track);
01419 mov_write_mdia_tag(pb, track);
01420 if (track->mode == MODE_PSP)
01421 mov_write_uuid_tag_psp(pb,track);
01422 if (track->tag == MKTAG('r','t','p',' '))
01423 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
01424 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
01425 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
01426 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
01427 mov_write_tapt_tag(pb, track);
01428 };
01429 return updateSize(pb, pos);
01430 }
01431
01432 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
01433 {
01434 int i, has_audio = 0, has_video = 0;
01435 int64_t pos = avio_tell(pb);
01436 int audio_profile = mov->iods_audio_profile;
01437 int video_profile = mov->iods_video_profile;
01438 for (i = 0; i < mov->nb_streams; i++) {
01439 if(mov->tracks[i].entry > 0) {
01440 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
01441 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
01442 }
01443 }
01444 if (audio_profile < 0)
01445 audio_profile = 0xFF - has_audio;
01446 if (video_profile < 0)
01447 video_profile = 0xFF - has_video;
01448 avio_wb32(pb, 0x0);
01449 ffio_wfourcc(pb, "iods");
01450 avio_wb32(pb, 0);
01451 putDescr(pb, 0x10, 7);
01452 avio_wb16(pb, 0x004f);
01453 avio_w8(pb, 0xff);
01454 avio_w8(pb, 0xff);
01455 avio_w8(pb, audio_profile);
01456 avio_w8(pb, video_profile);
01457 avio_w8(pb, 0xff);
01458 return updateSize(pb, pos);
01459 }
01460
01461 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
01462 {
01463 int maxTrackID = 1, i;
01464 int64_t maxTrackLenTemp, maxTrackLen = 0;
01465 int version;
01466
01467 for (i=0; i<mov->nb_streams; i++) {
01468 if(mov->tracks[i].entry > 0) {
01469 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
01470 MOV_TIMESCALE,
01471 mov->tracks[i].timescale,
01472 AV_ROUND_UP);
01473 if(maxTrackLen < maxTrackLenTemp)
01474 maxTrackLen = maxTrackLenTemp;
01475 if(maxTrackID < mov->tracks[i].trackID)
01476 maxTrackID = mov->tracks[i].trackID;
01477 }
01478 }
01479
01480 version = maxTrackLen < UINT32_MAX ? 0 : 1;
01481 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108);
01482 ffio_wfourcc(pb, "mvhd");
01483 avio_w8(pb, version);
01484 avio_wb24(pb, 0);
01485 if (version == 1) {
01486 avio_wb64(pb, mov->time);
01487 avio_wb64(pb, mov->time);
01488 } else {
01489 avio_wb32(pb, mov->time);
01490 avio_wb32(pb, mov->time);
01491 }
01492 avio_wb32(pb, MOV_TIMESCALE);
01493 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen);
01494
01495 avio_wb32(pb, 0x00010000);
01496 avio_wb16(pb, 0x0100);
01497 avio_wb16(pb, 0);
01498 avio_wb32(pb, 0);
01499 avio_wb32(pb, 0);
01500
01501
01502 avio_wb32(pb, 0x00010000);
01503 avio_wb32(pb, 0x0);
01504 avio_wb32(pb, 0x0);
01505 avio_wb32(pb, 0x0);
01506 avio_wb32(pb, 0x00010000);
01507 avio_wb32(pb, 0x0);
01508 avio_wb32(pb, 0x0);
01509 avio_wb32(pb, 0x0);
01510 avio_wb32(pb, 0x40000000);
01511
01512 avio_wb32(pb, 0);
01513 avio_wb32(pb, 0);
01514 avio_wb32(pb, 0);
01515 avio_wb32(pb, 0);
01516 avio_wb32(pb, 0);
01517 avio_wb32(pb, 0);
01518 avio_wb32(pb, maxTrackID+1);
01519 return 0x6c;
01520 }
01521
01522 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
01523 AVFormatContext *s)
01524 {
01525 avio_wb32(pb, 33);
01526 ffio_wfourcc(pb, "hdlr");
01527 avio_wb32(pb, 0);
01528 avio_wb32(pb, 0);
01529 ffio_wfourcc(pb, "mdir");
01530 ffio_wfourcc(pb, "appl");
01531 avio_wb32(pb, 0);
01532 avio_wb32(pb, 0);
01533 avio_w8(pb, 0);
01534 return 33;
01535 }
01536
01537
01538 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
01539 {
01540 if(long_style){
01541 int size = 16 + strlen(data);
01542 avio_wb32(pb, size);
01543 ffio_wfourcc(pb, "data");
01544 avio_wb32(pb, 1);
01545 avio_wb32(pb, 0);
01546 avio_write(pb, data, strlen(data));
01547 return size;
01548 }else{
01549 if (!lang)
01550 lang = ff_mov_iso639_to_lang("und", 1);
01551 avio_wb16(pb, strlen(data));
01552 avio_wb16(pb, lang);
01553 avio_write(pb, data, strlen(data));
01554 return strlen(data) + 4;
01555 }
01556 }
01557
01558 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
01559 int size = 0;
01560 if (value && value[0]) {
01561 int64_t pos = avio_tell(pb);
01562 avio_wb32(pb, 0);
01563 ffio_wfourcc(pb, name);
01564 mov_write_string_data_tag(pb, value, lang, long_style);
01565 size= updateSize(pb, pos);
01566 }
01567 return size;
01568 }
01569
01570 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
01571 const char *name, const char *tag,
01572 int long_style)
01573 {
01574 int l, lang = 0, len, len2;
01575 AVDictionaryEntry *t, *t2 = NULL;
01576 char tag2[16];
01577
01578 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
01579 return 0;
01580
01581 len = strlen(t->key);
01582 snprintf(tag2, sizeof(tag2), "%s-", tag);
01583 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
01584 len2 = strlen(t2->key);
01585 if (len2 == len+4 && !strcmp(t->value, t2->value)
01586 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
01587 lang = l;
01588 break;
01589 }
01590 }
01591 return mov_write_string_tag(pb, name, t->value, lang, long_style);
01592 }
01593
01594
01595 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
01596 AVFormatContext *s)
01597 {
01598 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
01599 int size = 0, track = t ? atoi(t->value) : 0;
01600 if (track) {
01601 avio_wb32(pb, 32);
01602 ffio_wfourcc(pb, "trkn");
01603 avio_wb32(pb, 24);
01604 ffio_wfourcc(pb, "data");
01605 avio_wb32(pb, 0);
01606 avio_wb32(pb, 0);
01607 avio_wb16(pb, 0);
01608 avio_wb16(pb, track);
01609 avio_wb16(pb, 0);
01610 avio_wb16(pb, 0);
01611 size = 32;
01612 }
01613 return size;
01614 }
01615
01616
01617 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
01618 AVFormatContext *s)
01619 {
01620 int64_t pos = avio_tell(pb);
01621 avio_wb32(pb, 0);
01622 ffio_wfourcc(pb, "ilst");
01623 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
01624 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
01625 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
01626 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
01627 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
01628 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
01629 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
01630 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
01631 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
01632 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
01633 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
01634 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
01635 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
01636 mov_write_string_metadata(s, pb, "desc", "description",1);
01637 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
01638 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
01639 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
01640 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
01641 mov_write_trkn_tag(pb, mov, s);
01642 return updateSize(pb, pos);
01643 }
01644
01645
01646 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
01647 AVFormatContext *s)
01648 {
01649 int size = 0;
01650 int64_t pos = avio_tell(pb);
01651 avio_wb32(pb, 0);
01652 ffio_wfourcc(pb, "meta");
01653 avio_wb32(pb, 0);
01654 mov_write_itunes_hdlr_tag(pb, mov, s);
01655 mov_write_ilst_tag(pb, mov, s);
01656 size = updateSize(pb, pos);
01657 return size;
01658 }
01659
01660 static int utf8len(const uint8_t *b)
01661 {
01662 int len=0;
01663 int val;
01664 while(*b){
01665 GET_UTF8(val, *b++, return -1;)
01666 len++;
01667 }
01668 return len;
01669 }
01670
01671 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
01672 {
01673 int val;
01674 while(*b){
01675 GET_UTF8(val, *b++, return -1;)
01676 avio_wb16(pb, val);
01677 }
01678 avio_wb16(pb, 0x00);
01679 return 0;
01680 }
01681
01682 static uint16_t language_code(const char *str)
01683 {
01684 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
01685 }
01686
01687 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
01688 const char *tag, const char *str)
01689 {
01690 int64_t pos = avio_tell(pb);
01691 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
01692 if (!t || !utf8len(t->value))
01693 return 0;
01694 avio_wb32(pb, 0);
01695 ffio_wfourcc(pb, tag);
01696 avio_wb32(pb, 0);
01697 if (!strcmp(tag, "yrrc"))
01698 avio_wb16(pb, atoi(t->value));
01699 else {
01700 avio_wb16(pb, language_code("eng"));
01701 avio_write(pb, t->value, strlen(t->value)+1);
01702 if (!strcmp(tag, "albm") &&
01703 (t = av_dict_get(s->metadata, "track", NULL, 0)))
01704 avio_w8(pb, atoi(t->value));
01705 }
01706 return updateSize(pb, pos);
01707 }
01708
01709 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
01710 {
01711 int64_t pos = avio_tell(pb);
01712 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
01713
01714 avio_wb32(pb, 0);
01715 ffio_wfourcc(pb, "chpl");
01716 avio_wb32(pb, 0x01000000);
01717 avio_wb32(pb, 0);
01718 avio_w8(pb, nb_chapters);
01719
01720 for (i = 0; i < nb_chapters; i++) {
01721 AVChapter *c = s->chapters[i];
01722 AVDictionaryEntry *t;
01723 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
01724
01725 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
01726 int len = FFMIN(strlen(t->value), 255);
01727 avio_w8(pb, len);
01728 avio_write(pb, t->value, len);
01729 } else
01730 avio_w8(pb, 0);
01731 }
01732 return updateSize(pb, pos);
01733 }
01734
01735 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
01736 AVFormatContext *s)
01737 {
01738 AVIOContext *pb_buf;
01739 int i, ret, size;
01740 uint8_t *buf;
01741
01742 for (i = 0; i < s->nb_streams; i++)
01743 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
01744 return 0;
01745 }
01746
01747 ret = avio_open_dyn_buf(&pb_buf);
01748 if(ret < 0)
01749 return ret;
01750
01751 if (mov->mode & MODE_3GP) {
01752 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
01753 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
01754 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
01755 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
01756 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
01757 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
01758 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
01759 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
01760 } else if (mov->mode == MODE_MOV) {
01761 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
01762 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
01763 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
01764 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
01765 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
01766 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
01767 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
01768 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
01769 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
01770 } else {
01771
01772 mov_write_meta_tag(pb_buf, mov, s);
01773 }
01774
01775 if (s->nb_chapters)
01776 mov_write_chpl_tag(pb_buf, s);
01777
01778 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
01779 avio_wb32(pb, size+8);
01780 ffio_wfourcc(pb, "udta");
01781 avio_write(pb, buf, size);
01782 }
01783 av_free(buf);
01784
01785 return 0;
01786 }
01787
01788 static void mov_write_psp_udta_tag(AVIOContext *pb,
01789 const char *str, const char *lang, int type)
01790 {
01791 int len = utf8len(str)+1;
01792 if(len<=0)
01793 return;
01794 avio_wb16(pb, len*2+10);
01795 avio_wb32(pb, type);
01796 avio_wb16(pb, language_code(lang));
01797 avio_wb16(pb, 0x01);
01798 ascii_to_wc(pb, str);
01799 }
01800
01801 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
01802 {
01803 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
01804 int64_t pos, pos2;
01805
01806 if (title) {
01807 pos = avio_tell(pb);
01808 avio_wb32(pb, 0);
01809 ffio_wfourcc(pb, "uuid");
01810 ffio_wfourcc(pb, "USMT");
01811 avio_wb32(pb, 0x21d24fce);
01812 avio_wb32(pb, 0xbb88695c);
01813 avio_wb32(pb, 0xfac9c740);
01814
01815 pos2 = avio_tell(pb);
01816 avio_wb32(pb, 0);
01817 ffio_wfourcc(pb, "MTDT");
01818 avio_wb16(pb, 4);
01819
01820
01821 avio_wb16(pb, 0x0C);
01822 avio_wb32(pb, 0x0B);
01823 avio_wb16(pb, language_code("und"));
01824 avio_wb16(pb, 0x0);
01825 avio_wb16(pb, 0x021C);
01826
01827 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
01828 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
01829
01830 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
01831
01832 updateSize(pb, pos2);
01833 return updateSize(pb, pos);
01834 }
01835
01836 return 0;
01837 }
01838
01839 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
01840 AVFormatContext *s)
01841 {
01842 int i;
01843 int64_t pos = avio_tell(pb);
01844 avio_wb32(pb, 0);
01845 ffio_wfourcc(pb, "moov");
01846
01847 for (i=0; i<mov->nb_streams; i++) {
01848 if(mov->tracks[i].entry <= 0) continue;
01849
01850 mov->tracks[i].time = mov->time;
01851 mov->tracks[i].trackID = i+1;
01852 }
01853
01854 if (mov->chapter_track)
01855 for (i=0; i<s->nb_streams; i++) {
01856 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
01857 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
01858 }
01859 for (i = 0; i < mov->nb_streams; i++) {
01860 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
01861 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
01862 mov->tracks[i].tref_id =
01863 mov->tracks[mov->tracks[i].src_track].trackID;
01864 }
01865 }
01866
01867 mov_write_mvhd_tag(pb, mov);
01868 if (mov->mode != MODE_MOV && !mov->iods_skip)
01869 mov_write_iods_tag(pb, mov);
01870 for (i=0; i<mov->nb_streams; i++) {
01871 if(mov->tracks[i].entry > 0) {
01872 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
01873 }
01874 }
01875
01876 if (mov->mode == MODE_PSP)
01877 mov_write_uuidusmt_tag(pb, s);
01878 else
01879 mov_write_udta_tag(pb, mov, s);
01880
01881 return updateSize(pb, pos);
01882 }
01883
01884 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
01885 {
01886 avio_wb32(pb, 8);
01887 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
01888
01889 mov->mdat_pos = avio_tell(pb);
01890 avio_wb32(pb, 0);
01891 ffio_wfourcc(pb, "mdat");
01892 return 0;
01893 }
01894
01895
01896 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
01897 {
01898 MOVMuxContext *mov = s->priv_data;
01899 int64_t pos = avio_tell(pb);
01900 int has_h264 = 0, has_video = 0;
01901 int minor = 0x200;
01902 int i;
01903
01904 for (i = 0; i < s->nb_streams; i++) {
01905 AVStream *st = s->streams[i];
01906 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
01907 has_video = 1;
01908 if (st->codec->codec_id == CODEC_ID_H264)
01909 has_h264 = 1;
01910 }
01911
01912 avio_wb32(pb, 0);
01913 ffio_wfourcc(pb, "ftyp");
01914
01915 if (mov->mode == MODE_3GP) {
01916 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
01917 minor = has_h264 ? 0x100 : 0x200;
01918 } else if (mov->mode & MODE_3G2) {
01919 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
01920 minor = has_h264 ? 0x20000 : 0x10000;
01921 }else if (mov->mode == MODE_PSP)
01922 ffio_wfourcc(pb, "MSNV");
01923 else if (mov->mode == MODE_MP4)
01924 ffio_wfourcc(pb, "isom");
01925 else if (mov->mode == MODE_IPOD)
01926 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
01927 else
01928 ffio_wfourcc(pb, "qt ");
01929
01930 avio_wb32(pb, minor);
01931
01932 if(mov->mode == MODE_MOV)
01933 ffio_wfourcc(pb, "qt ");
01934 else{
01935 ffio_wfourcc(pb, "isom");
01936 ffio_wfourcc(pb, "iso2");
01937 if(has_h264)
01938 ffio_wfourcc(pb, "avc1");
01939 }
01940
01941 if (mov->mode == MODE_3GP)
01942 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
01943 else if (mov->mode & MODE_3G2)
01944 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
01945 else if (mov->mode == MODE_PSP)
01946 ffio_wfourcc(pb, "MSNV");
01947 else if (mov->mode == MODE_MP4)
01948 ffio_wfourcc(pb, "mp41");
01949 return updateSize(pb, pos);
01950 }
01951
01952 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
01953 {
01954 AVCodecContext *VideoCodec = s->streams[0]->codec;
01955 AVCodecContext *AudioCodec = s->streams[1]->codec;
01956 int AudioRate = AudioCodec->sample_rate;
01957 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
01958 int audio_kbitrate= AudioCodec->bit_rate / 1000;
01959 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
01960
01961 avio_wb32(pb, 0x94);
01962 ffio_wfourcc(pb, "uuid");
01963 ffio_wfourcc(pb, "PROF");
01964
01965 avio_wb32(pb, 0x21d24fce);
01966 avio_wb32(pb, 0xbb88695c);
01967 avio_wb32(pb, 0xfac9c740);
01968
01969 avio_wb32(pb, 0x0);
01970 avio_wb32(pb, 0x3);
01971
01972 avio_wb32(pb, 0x14);
01973 ffio_wfourcc(pb, "FPRF");
01974 avio_wb32(pb, 0x0);
01975 avio_wb32(pb, 0x0);
01976 avio_wb32(pb, 0x0);
01977
01978 avio_wb32(pb, 0x2c);
01979 ffio_wfourcc(pb, "APRF");
01980 avio_wb32(pb, 0x0);
01981 avio_wb32(pb, 0x2);
01982 ffio_wfourcc(pb, "mp4a");
01983 avio_wb32(pb, 0x20f);
01984 avio_wb32(pb, 0x0);
01985 avio_wb32(pb, audio_kbitrate);
01986 avio_wb32(pb, audio_kbitrate);
01987 avio_wb32(pb, AudioRate);
01988 avio_wb32(pb, AudioCodec->channels);
01989
01990 avio_wb32(pb, 0x34);
01991 ffio_wfourcc(pb, "VPRF");
01992 avio_wb32(pb, 0x0);
01993 avio_wb32(pb, 0x1);
01994 if (VideoCodec->codec_id == CODEC_ID_H264) {
01995 ffio_wfourcc(pb, "avc1");
01996 avio_wb16(pb, 0x014D);
01997 avio_wb16(pb, 0x0015);
01998 } else {
01999 ffio_wfourcc(pb, "mp4v");
02000 avio_wb16(pb, 0x0000);
02001 avio_wb16(pb, 0x0103);
02002 }
02003 avio_wb32(pb, 0x0);
02004 avio_wb32(pb, video_kbitrate);
02005 avio_wb32(pb, video_kbitrate);
02006 avio_wb32(pb, FrameRate);
02007 avio_wb32(pb, FrameRate);
02008 avio_wb16(pb, VideoCodec->width);
02009 avio_wb16(pb, VideoCodec->height);
02010 avio_wb32(pb, 0x010001);
02011 }
02012
02013 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
02014 {
02015 uint32_t c = -1;
02016 int i, closed_gop = 0;
02017
02018 for (i = 0; i < pkt->size - 4; i++) {
02019 c = (c<<8) + pkt->data[i];
02020 if (c == 0x1b8) {
02021 closed_gop = pkt->data[i+4]>>6 & 0x01;
02022 } else if (c == 0x100) {
02023 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
02024 if (!temp_ref || closed_gop)
02025 *flags = MOV_SYNC_SAMPLE;
02026 else
02027 *flags = MOV_PARTIAL_SYNC_SAMPLE;
02028 break;
02029 }
02030 }
02031 return 0;
02032 }
02033
02034 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
02035 {
02036 MOVMuxContext *mov = s->priv_data;
02037 AVIOContext *pb = s->pb;
02038 MOVTrack *trk = &mov->tracks[pkt->stream_index];
02039 AVCodecContext *enc = trk->enc;
02040 unsigned int samplesInChunk = 0;
02041 int size= pkt->size;
02042 uint8_t *reformatted_data = NULL;
02043
02044 if (!s->pb->seekable) return 0;
02045 if (!size) return 0;
02046
02047 if (enc->codec_id == CODEC_ID_AMR_NB) {
02048
02049 static uint16_t packed_size[16] =
02050 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
02051 int len = 0;
02052
02053 while (len < size && samplesInChunk < 100) {
02054 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
02055 samplesInChunk++;
02056 }
02057 if(samplesInChunk > 1){
02058 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
02059 return -1;
02060 }
02061 } else if (trk->sampleSize)
02062 samplesInChunk = size/trk->sampleSize;
02063 else
02064 samplesInChunk = 1;
02065
02066
02067 if (trk->vosLen == 0 && enc->extradata_size > 0) {
02068 trk->vosLen = enc->extradata_size;
02069 trk->vosData = av_malloc(trk->vosLen);
02070 memcpy(trk->vosData, enc->extradata, trk->vosLen);
02071 }
02072
02073 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
02074
02075
02076 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
02077 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
02078 &size);
02079 avio_write(pb, reformatted_data, size);
02080 } else {
02081 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
02082 }
02083 } else {
02084 avio_write(pb, pkt->data, size);
02085 }
02086
02087 if ((enc->codec_id == CODEC_ID_DNXHD ||
02088 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
02089
02090 trk->vosLen = size;
02091 trk->vosData = av_malloc(size);
02092 if (!trk->vosData)
02093 return AVERROR(ENOMEM);
02094 memcpy(trk->vosData, pkt->data, size);
02095 }
02096
02097 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
02098 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
02099 if (!trk->cluster)
02100 return -1;
02101 }
02102
02103 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
02104 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
02105 trk->cluster[trk->entry].size = size;
02106 trk->cluster[trk->entry].entries = samplesInChunk;
02107 trk->cluster[trk->entry].dts = pkt->dts;
02108 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
02109
02110 if (pkt->pts == AV_NOPTS_VALUE) {
02111 av_log(s, AV_LOG_WARNING, "pts has no value\n");
02112 pkt->pts = pkt->dts;
02113 }
02114 if (pkt->dts != pkt->pts)
02115 trk->flags |= MOV_TRACK_CTTS;
02116 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
02117 trk->cluster[trk->entry].flags = 0;
02118 if (pkt->flags & AV_PKT_FLAG_KEY) {
02119 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
02120 trk->entry > 0) {
02121 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
02122 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
02123 trk->flags |= MOV_TRACK_STPS;
02124 } else {
02125 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
02126 }
02127 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
02128 trk->hasKeyframes++;
02129 }
02130 trk->entry++;
02131 trk->sampleCount += samplesInChunk;
02132 mov->mdat_size += size;
02133
02134 avio_flush(pb);
02135
02136 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
02137 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
02138 reformatted_data, size);
02139 av_free(reformatted_data);
02140 return 0;
02141 }
02142
02143
02144
02145 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
02146 {
02147 MOVMuxContext *mov = s->priv_data;
02148 MOVTrack *track = &mov->tracks[tracknum];
02149 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
02150 int i, len;
02151
02152 track->mode = mov->mode;
02153 track->tag = MKTAG('t','e','x','t');
02154 track->timescale = MOV_TIMESCALE;
02155 track->enc = avcodec_alloc_context3(NULL);
02156 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
02157
02158 for (i = 0; i < s->nb_chapters; i++) {
02159 AVChapter *c = s->chapters[i];
02160 AVDictionaryEntry *t;
02161
02162 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
02163 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
02164 pkt.duration = end - pkt.dts;
02165
02166 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
02167 len = strlen(t->value);
02168 pkt.size = len+2;
02169 pkt.data = av_malloc(pkt.size);
02170 AV_WB16(pkt.data, len);
02171 memcpy(pkt.data+2, t->value, len);
02172 ff_mov_write_packet(s, &pkt);
02173 av_freep(&pkt.data);
02174 }
02175 }
02176 }
02177
02178 static int mov_write_header(AVFormatContext *s)
02179 {
02180 AVIOContext *pb = s->pb;
02181 MOVMuxContext *mov = s->priv_data;
02182 AVDictionaryEntry *t;
02183 int i, hint_track = 0;
02184
02185 if (!s->pb->seekable) {
02186 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
02187 return -1;
02188 }
02189
02190
02191 mov->mode = MODE_MP4;
02192
02193 if (s->oformat != NULL) {
02194 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
02195 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
02196 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
02197 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
02198 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
02199
02200 mov_write_ftyp_tag(pb,s);
02201 if (mov->mode == MODE_PSP) {
02202 if (s->nb_streams != 2) {
02203 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
02204 return -1;
02205 }
02206 mov_write_uuidprof_tag(pb,s);
02207 }
02208 }
02209
02210 mov->nb_streams = s->nb_streams;
02211 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
02212 mov->chapter_track = mov->nb_streams++;
02213
02214 #if FF_API_FLAG_RTP_HINT
02215 if (s->flags & AVFMT_FLAG_RTP_HINT) {
02216 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
02217 "via the -movflags rtphint muxer option "
02218 "instead.\n");
02219 mov->flags |= FF_MOV_FLAG_RTP_HINT;
02220 }
02221 #endif
02222 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
02223
02224 hint_track = mov->nb_streams;
02225 for (i = 0; i < s->nb_streams; i++) {
02226 AVStream *st = s->streams[i];
02227 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
02228 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
02229 mov->nb_streams++;
02230 }
02231 }
02232 }
02233
02234 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
02235 if (!mov->tracks)
02236 return AVERROR(ENOMEM);
02237
02238 for(i=0; i<s->nb_streams; i++){
02239 AVStream *st= s->streams[i];
02240 MOVTrack *track= &mov->tracks[i];
02241 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
02242
02243 track->enc = st->codec;
02244 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
02245 if (track->language < 0)
02246 track->language = 0;
02247 track->mode = mov->mode;
02248 track->tag = mov_find_codec_tag(s, track);
02249 if (!track->tag) {
02250 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
02251 "codec not currently supported in container\n", i);
02252 goto error;
02253 }
02254
02255
02256 track->hint_track = -1;
02257 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
02258 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
02259 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
02260 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
02261 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
02262 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
02263 goto error;
02264 }
02265 track->height = track->tag>>24 == 'n' ? 486 : 576;
02266 }
02267 track->timescale = st->codec->time_base.den;
02268 if (track->mode == MODE_MOV && track->timescale > 100000)
02269 av_log(s, AV_LOG_WARNING,
02270 "WARNING codec timebase is very high. If duration is too long,\n"
02271 "file may not be playable by quicktime. Specify a shorter timebase\n"
02272 "or choose different container.\n");
02273 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
02274 track->timescale = st->codec->sample_rate;
02275
02276 if (av_get_bits_per_sample(st->codec->codec_id)) {
02277 if (!st->codec->block_align) {
02278 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
02279 goto error;
02280 }
02281 track->sampleSize = st->codec->block_align;
02282 }
02283
02284 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
02285 if (!st->codec->frame_size) {
02286 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
02287 goto error;
02288 }
02289 track->audio_vbr = 1;
02290 }
02291 if (track->mode != MODE_MOV) {
02292 if (track->timescale > UINT16_MAX) {
02293 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
02294 "sample rate %dhz\n", i, track->timescale);
02295 goto error;
02296 }
02297 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
02298 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
02299 i, track->enc->sample_rate);
02300 goto error;
02301 }
02302 }
02303 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
02304 track->timescale = st->codec->time_base.den;
02305 }
02306 if (!track->height)
02307 track->height = st->codec->height;
02308
02309 avpriv_set_pts_info(st, 64, 1, track->timescale);
02310 }
02311
02312 mov_write_mdat_tag(pb, mov);
02313
02314 #if FF_API_TIMESTAMP
02315 if (s->timestamp)
02316 mov->time = s->timestamp;
02317 else
02318 #endif
02319 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
02320 mov->time = ff_iso8601_to_unix_time(t->value);
02321 if (mov->time)
02322 mov->time += 0x7C25B080;
02323
02324 if (mov->chapter_track)
02325 mov_create_chapter_track(s, mov->chapter_track);
02326
02327 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
02328
02329 for (i = 0; i < s->nb_streams; i++) {
02330 AVStream *st = s->streams[i];
02331 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
02332 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
02333 ff_mov_init_hinting(s, hint_track, i);
02334 hint_track++;
02335 }
02336 }
02337 }
02338
02339 avio_flush(pb);
02340
02341 return 0;
02342 error:
02343 av_freep(&mov->tracks);
02344 return -1;
02345 }
02346
02347 static int mov_write_trailer(AVFormatContext *s)
02348 {
02349 MOVMuxContext *mov = s->priv_data;
02350 AVIOContext *pb = s->pb;
02351 int res = 0;
02352 int i;
02353
02354 int64_t moov_pos = avio_tell(pb);
02355
02356
02357 if (mov->mdat_size+8 <= UINT32_MAX) {
02358 avio_seek(pb, mov->mdat_pos, SEEK_SET);
02359 avio_wb32(pb, mov->mdat_size+8);
02360 } else {
02361
02362 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
02363 avio_wb32(pb, 1);
02364 ffio_wfourcc(pb, "mdat");
02365 avio_wb64(pb, mov->mdat_size+16);
02366 }
02367 avio_seek(pb, moov_pos, SEEK_SET);
02368
02369 mov_write_moov_tag(pb, mov, s);
02370
02371 if (mov->chapter_track)
02372 av_freep(&mov->tracks[mov->chapter_track].enc);
02373
02374 for (i=0; i<mov->nb_streams; i++) {
02375 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
02376 ff_mov_close_hinting(&mov->tracks[i]);
02377 av_freep(&mov->tracks[i].cluster);
02378
02379 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
02380
02381 }
02382
02383 avio_flush(pb);
02384
02385 av_freep(&mov->tracks);
02386
02387 return res;
02388 }
02389
02390 #if CONFIG_MOV_MUXER
02391 MOV_CLASS(mov)
02392 AVOutputFormat ff_mov_muxer = {
02393 .name = "mov",
02394 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
02395 .extensions = "mov",
02396 .priv_data_size = sizeof(MOVMuxContext),
02397 .audio_codec = CODEC_ID_AAC,
02398 #if CONFIG_LIBX264_ENCODER
02399 .video_codec = CODEC_ID_H264,
02400 #else
02401 .video_codec = CODEC_ID_MPEG4,
02402 #endif
02403 .write_header = mov_write_header,
02404 .write_packet = ff_mov_write_packet,
02405 .write_trailer = mov_write_trailer,
02406 .flags = AVFMT_GLOBALHEADER,
02407 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
02408 .priv_class = &mov_muxer_class,
02409 };
02410 #endif
02411 #if CONFIG_TGP_MUXER
02412 MOV_CLASS(tgp)
02413 AVOutputFormat ff_tgp_muxer = {
02414 .name = "3gp",
02415 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
02416 .extensions = "3gp",
02417 .priv_data_size = sizeof(MOVMuxContext),
02418 .audio_codec = CODEC_ID_AMR_NB,
02419 .video_codec = CODEC_ID_H263,
02420 .write_header = mov_write_header,
02421 .write_packet = ff_mov_write_packet,
02422 .write_trailer = mov_write_trailer,
02423 .flags = AVFMT_GLOBALHEADER,
02424 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
02425 .priv_class = &tgp_muxer_class,
02426 };
02427 #endif
02428 #if CONFIG_MP4_MUXER
02429 MOV_CLASS(mp4)
02430 AVOutputFormat ff_mp4_muxer = {
02431 .name = "mp4",
02432 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
02433 .mime_type = "application/mp4",
02434 .extensions = "mp4",
02435 .priv_data_size = sizeof(MOVMuxContext),
02436 .audio_codec = CODEC_ID_AAC,
02437 #if CONFIG_LIBX264_ENCODER
02438 .video_codec = CODEC_ID_H264,
02439 #else
02440 .video_codec = CODEC_ID_MPEG4,
02441 #endif
02442 .write_header = mov_write_header,
02443 .write_packet = ff_mov_write_packet,
02444 .write_trailer = mov_write_trailer,
02445 .flags = AVFMT_GLOBALHEADER,
02446 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
02447 .priv_class = &mp4_muxer_class,
02448 };
02449 #endif
02450 #if CONFIG_PSP_MUXER
02451 MOV_CLASS(psp)
02452 AVOutputFormat ff_psp_muxer = {
02453 .name = "psp",
02454 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
02455 .extensions = "mp4,psp",
02456 .priv_data_size = sizeof(MOVMuxContext),
02457 .audio_codec = CODEC_ID_AAC,
02458 #if CONFIG_LIBX264_ENCODER
02459 .video_codec = CODEC_ID_H264,
02460 #else
02461 .video_codec = CODEC_ID_MPEG4,
02462 #endif
02463 .write_header = mov_write_header,
02464 .write_packet = ff_mov_write_packet,
02465 .write_trailer = mov_write_trailer,
02466 .flags = AVFMT_GLOBALHEADER,
02467 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
02468 .priv_class = &psp_muxer_class,
02469 };
02470 #endif
02471 #if CONFIG_TG2_MUXER
02472 MOV_CLASS(tg2)
02473 AVOutputFormat ff_tg2_muxer = {
02474 .name = "3g2",
02475 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
02476 .extensions = "3g2",
02477 .priv_data_size = sizeof(MOVMuxContext),
02478 .audio_codec = CODEC_ID_AMR_NB,
02479 .video_codec = CODEC_ID_H263,
02480 .write_header = mov_write_header,
02481 .write_packet = ff_mov_write_packet,
02482 .write_trailer = mov_write_trailer,
02483 .flags = AVFMT_GLOBALHEADER,
02484 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
02485 .priv_class = &tg2_muxer_class,
02486 };
02487 #endif
02488 #if CONFIG_IPOD_MUXER
02489 MOV_CLASS(ipod)
02490 AVOutputFormat ff_ipod_muxer = {
02491 .name = "ipod",
02492 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
02493 .mime_type = "application/mp4",
02494 .extensions = "m4v,m4a",
02495 .priv_data_size = sizeof(MOVMuxContext),
02496 .audio_codec = CODEC_ID_AAC,
02497 .video_codec = CODEC_ID_H264,
02498 .write_header = mov_write_header,
02499 .write_packet = ff_mov_write_packet,
02500 .write_trailer = mov_write_trailer,
02501 .flags = AVFMT_GLOBALHEADER,
02502 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
02503 .priv_class = &ipod_muxer_class,
02504 };
02505 #endif