3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
34 #include "libavutil/avstring.h"
35 #include "libavutil/intfloat.h"
36 #include "libavutil/mathematics.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/dict.h"
45 static const AVOption options[] = {
46 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
47 { "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" },
48 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
49 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
50 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
55 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
56 { "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},
57 { "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},
58 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
59 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
64 #define MOV_CLASS(flavor)\
65 static const AVClass flavor ## _muxer_class = {\
66 .class_name = #flavor " muxer",\
67 .item_name = av_default_item_name,\
69 .version = LIBAVUTIL_VERSION_INT,\
72 //FIXME support 64 bit variant with wide placeholders
73 static int64_t update_size(AVIOContext *pb, int64_t pos)
75 int64_t curpos = avio_tell(pb);
76 avio_seek(pb, pos, SEEK_SET);
77 avio_wb32(pb, curpos - pos); /* rewrite size */
78 avio_seek(pb, curpos, SEEK_SET);
83 /* Chunk offset atom */
84 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
87 int mode64 = 0; // use 32 bit size variant if possible
88 int64_t pos = avio_tell(pb);
89 avio_wb32(pb, 0); /* size */
90 if (pos > UINT32_MAX) {
92 ffio_wfourcc(pb, "co64");
94 ffio_wfourcc(pb, "stco");
95 avio_wb32(pb, 0); /* version & flags */
96 avio_wb32(pb, track->chunkCount); /* entry count */
97 for (i=0; i<track->entry; i++) {
98 if(!track->cluster[i].chunkNum)
101 avio_wb64(pb, track->cluster[i].pos);
103 avio_wb32(pb, track->cluster[i].pos);
105 return update_size(pb, pos);
108 /* Sample size atom */
109 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
112 int i, j, entries = 0, tst = -1, oldtst = -1;
114 int64_t pos = avio_tell(pb);
115 avio_wb32(pb, 0); /* size */
116 ffio_wfourcc(pb, "stsz");
117 avio_wb32(pb, 0); /* version & flags */
119 for (i=0; i<track->entry; i++) {
120 tst = track->cluster[i].size/track->cluster[i].entries;
121 if(oldtst != -1 && tst != oldtst) {
125 entries += track->cluster[i].entries;
127 if (equalChunks && track->entry) {
128 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
129 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
130 avio_wb32(pb, sSize); // sample size
131 avio_wb32(pb, entries); // sample count
134 avio_wb32(pb, 0); // sample size
135 avio_wb32(pb, entries); // sample count
136 for (i=0; i<track->entry; i++) {
137 for (j=0; j<track->cluster[i].entries; j++) {
138 avio_wb32(pb, track->cluster[i].size /
139 track->cluster[i].entries);
143 return update_size(pb, pos);
146 /* Sample to chunk atom */
147 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
149 int index = 0, oldval = -1, i;
150 int64_t entryPos, curpos;
152 int64_t pos = avio_tell(pb);
153 avio_wb32(pb, 0); /* size */
154 ffio_wfourcc(pb, "stsc");
155 avio_wb32(pb, 0); // version & flags
156 entryPos = avio_tell(pb);
157 avio_wb32(pb, track->chunkCount); // entry count
158 for (i=0; i<track->entry; i++) {
159 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
161 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
162 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
163 avio_wb32(pb, 0x1); // sample description index
164 oldval = track->cluster[i].samples_in_chunk;
168 curpos = avio_tell(pb);
169 avio_seek(pb, entryPos, SEEK_SET);
170 avio_wb32(pb, index); // rewrite size
171 avio_seek(pb, curpos, SEEK_SET);
173 return update_size(pb, pos);
176 /* Sync sample atom */
177 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
179 int64_t curpos, entryPos;
181 int64_t pos = avio_tell(pb);
182 avio_wb32(pb, 0); // size
183 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
184 avio_wb32(pb, 0); // version & flags
185 entryPos = avio_tell(pb);
186 avio_wb32(pb, track->entry); // entry count
187 for (i=0; i<track->entry; i++) {
188 if (track->cluster[i].flags & flag) {
193 curpos = avio_tell(pb);
194 avio_seek(pb, entryPos, SEEK_SET);
195 avio_wb32(pb, index); // rewrite size
196 avio_seek(pb, curpos, SEEK_SET);
197 return update_size(pb, pos);
200 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
202 avio_wb32(pb, 0x11); /* size */
203 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
204 else ffio_wfourcc(pb, "damr");
205 ffio_wfourcc(pb, "FFMP");
206 avio_w8(pb, 0); /* decoder version */
208 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
209 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
210 avio_w8(pb, 0x01); /* Frames per sample */
214 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
219 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
221 if (track->vos_len < 7)
225 ffio_wfourcc(pb, "dac3");
227 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
228 fscod = get_bits(&gbc, 2);
229 frmsizecod = get_bits(&gbc, 6);
230 bsid = get_bits(&gbc, 5);
231 bsmod = get_bits(&gbc, 3);
232 acmod = get_bits(&gbc, 3);
234 skip_bits(&gbc, 2); // dsurmod
236 if ((acmod & 1) && acmod != 1)
237 skip_bits(&gbc, 2); // cmixlev
239 skip_bits(&gbc, 2); // surmixlev
241 lfeon = get_bits1(&gbc);
243 init_put_bits(&pbc, buf, sizeof(buf));
244 put_bits(&pbc, 2, fscod);
245 put_bits(&pbc, 5, bsid);
246 put_bits(&pbc, 3, bsmod);
247 put_bits(&pbc, 3, acmod);
248 put_bits(&pbc, 1, lfeon);
249 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
250 put_bits(&pbc, 5, 0); // reserved
252 flush_put_bits(&pbc);
253 avio_write(pb, buf, sizeof(buf));
259 * This function writes extradata "as is".
260 * Extradata must be formatted like a valid atom (with size and tag).
262 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
264 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
265 return track->enc->extradata_size;
268 static int mov_write_enda_tag(AVIOContext *pb)
271 ffio_wfourcc(pb, "enda");
272 avio_wb16(pb, 1); /* little endian */
276 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
281 avio_w8(pb, (size>>(7*i)) | 0x80);
282 avio_w8(pb, size & 0x7F);
285 static unsigned compute_avg_bitrate(MOVTrack *track)
289 for (i = 0; i < track->entry; i++)
290 size += track->cluster[i].size;
291 return size * 8 * track->timescale / track->track_duration;
294 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
296 int64_t pos = avio_tell(pb);
297 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
298 unsigned avg_bitrate;
300 avio_wb32(pb, 0); // size
301 ffio_wfourcc(pb, "esds");
302 avio_wb32(pb, 0); // Version
305 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
306 avio_wb16(pb, track->track_id);
307 avio_w8(pb, 0x00); // flags (= no flags)
309 // DecoderConfig descriptor
310 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
312 // Object type indication
313 if ((track->enc->codec_id == CODEC_ID_MP2 ||
314 track->enc->codec_id == CODEC_ID_MP3) &&
315 track->enc->sample_rate > 24000)
316 avio_w8(pb, 0x6B); // 11172-3
318 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
320 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
321 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
322 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
323 avio_w8(pb, 0x15); // flags (= Audiostream)
325 avio_w8(pb, 0x11); // flags (= Visualstream)
327 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
328 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
330 avg_bitrate = compute_avg_bitrate(track);
331 // maxbitrate (FIXME should be max rate in any 1 sec window)
332 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
333 avio_wb32(pb, avg_bitrate);
335 if (track->vos_len) {
336 // DecoderSpecific info descriptor
337 put_descr(pb, 0x05, track->vos_len);
338 avio_write(pb, track->vos_data, track->vos_len);
342 put_descr(pb, 0x06, 1);
344 return update_size(pb, pos);
347 static int mov_pcm_le_gt16(enum CodecID codec_id)
349 return codec_id == CODEC_ID_PCM_S24LE ||
350 codec_id == CODEC_ID_PCM_S32LE ||
351 codec_id == CODEC_ID_PCM_F32LE ||
352 codec_id == CODEC_ID_PCM_F64LE;
355 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
357 int64_t pos = avio_tell(pb);
359 avio_wl32(pb, track->tag); // store it byteswapped
360 track->enc->codec_tag = av_bswap16(track->tag >> 16);
361 ff_put_wav_header(pb, track->enc);
362 return update_size(pb, pos);
365 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
367 uint32_t layout_tag, bitmap;
368 int64_t pos = avio_tell(pb);
370 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
371 track->enc->channel_layout,
374 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
375 "lack of channel information\n");
379 avio_wb32(pb, 0); // Size
380 ffio_wfourcc(pb, "chan"); // Type
381 avio_w8(pb, 0); // Version
382 avio_wb24(pb, 0); // Flags
383 avio_wb32(pb, layout_tag); // mChannelLayoutTag
384 avio_wb32(pb, bitmap); // mChannelBitmap
385 avio_wb32(pb, 0); // mNumberChannelDescriptions
387 return update_size(pb, pos);
390 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
392 int64_t pos = avio_tell(pb);
394 avio_wb32(pb, 0); /* size */
395 ffio_wfourcc(pb, "wave");
397 avio_wb32(pb, 12); /* size */
398 ffio_wfourcc(pb, "frma");
399 avio_wl32(pb, track->tag);
401 if (track->enc->codec_id == CODEC_ID_AAC) {
402 /* useless atom needed by mplayer, ipod, not needed by quicktime */
403 avio_wb32(pb, 12); /* size */
404 ffio_wfourcc(pb, "mp4a");
406 mov_write_esds_tag(pb, track);
407 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
408 mov_write_enda_tag(pb);
409 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
410 mov_write_amr_tag(pb, track);
411 } else if (track->enc->codec_id == CODEC_ID_AC3) {
412 mov_write_chan_tag(pb, track);
413 mov_write_ac3_tag(pb, track);
414 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
415 mov_write_extradata_tag(pb, track);
416 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
417 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
418 mov_write_ms_tag(pb, track);
421 avio_wb32(pb, 8); /* size */
422 avio_wb32(pb, 0); /* null tag */
424 return update_size(pb, pos);
427 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
429 avio_wb32(pb, track->vos_len + 8);
430 ffio_wfourcc(pb, "glbl");
431 avio_write(pb, track->vos_data, track->vos_len);
432 return 8 + track->vos_len;
436 * Compute flags for 'lpcm' tag.
437 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
439 static int mov_get_lpcm_flags(enum CodecID codec_id)
442 case CODEC_ID_PCM_F32BE:
443 case CODEC_ID_PCM_F64BE:
445 case CODEC_ID_PCM_F32LE:
446 case CODEC_ID_PCM_F64LE:
448 case CODEC_ID_PCM_U8:
450 case CODEC_ID_PCM_S16BE:
451 case CODEC_ID_PCM_S24BE:
452 case CODEC_ID_PCM_S32BE:
454 case CODEC_ID_PCM_S8:
455 case CODEC_ID_PCM_S16LE:
456 case CODEC_ID_PCM_S24LE:
457 case CODEC_ID_PCM_S32LE:
464 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
466 int64_t pos = avio_tell(pb);
468 uint32_t tag = track->tag;
470 if (track->mode == MODE_MOV) {
471 if (track->timescale > UINT16_MAX) {
472 if (mov_get_lpcm_flags(track->enc->codec_id))
473 tag = AV_RL32("lpcm");
475 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
476 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
477 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
482 avio_wb32(pb, 0); /* size */
483 avio_wl32(pb, tag); // store it byteswapped
484 avio_wb32(pb, 0); /* Reserved */
485 avio_wb16(pb, 0); /* Reserved */
486 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
488 /* SoundDescription */
489 avio_wb16(pb, version); /* Version */
490 avio_wb16(pb, 0); /* Revision level */
491 avio_wb32(pb, 0); /* Reserved */
496 avio_wb16(pb, 0xfffe);
498 avio_wb32(pb, 0x00010000);
500 avio_wb64(pb, av_double2int(track->enc->sample_rate));
501 avio_wb32(pb, track->enc->channels);
502 avio_wb32(pb, 0x7F000000);
503 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
504 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
505 avio_wb32(pb, track->sample_size);
506 avio_wb32(pb, track->enc->frame_size);
508 if (track->mode == MODE_MOV) {
509 avio_wb16(pb, track->enc->channels);
510 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
511 track->enc->codec_id == CODEC_ID_PCM_S8)
512 avio_wb16(pb, 8); /* bits per sample */
515 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
516 } else { /* reserved for mp4/3gp */
522 avio_wb16(pb, 0); /* packet size (= 0) */
523 avio_wb16(pb, track->enc->sample_rate);
524 avio_wb16(pb, 0); /* Reserved */
527 if(version == 1) { /* SoundDescription V1 extended info */
528 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
529 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
530 avio_wb32(pb, track->sample_size); /* Bytes per frame */
531 avio_wb32(pb, 2); /* Bytes per sample */
534 if(track->mode == MODE_MOV &&
535 (track->enc->codec_id == CODEC_ID_AAC ||
536 track->enc->codec_id == CODEC_ID_AC3 ||
537 track->enc->codec_id == CODEC_ID_AMR_NB ||
538 track->enc->codec_id == CODEC_ID_ALAC ||
539 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
540 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
541 mov_pcm_le_gt16(track->enc->codec_id)))
542 mov_write_wave_tag(pb, track);
543 else if(track->tag == MKTAG('m','p','4','a'))
544 mov_write_esds_tag(pb, track);
545 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
546 mov_write_amr_tag(pb, track);
547 else if(track->enc->codec_id == CODEC_ID_AC3)
548 mov_write_ac3_tag(pb, track);
549 else if(track->enc->codec_id == CODEC_ID_ALAC)
550 mov_write_extradata_tag(pb, track);
551 else if (track->vos_len > 0)
552 mov_write_glbl_tag(pb, track);
554 return update_size(pb, pos);
557 static int mov_write_d263_tag(AVIOContext *pb)
559 avio_wb32(pb, 0xf); /* size */
560 ffio_wfourcc(pb, "d263");
561 ffio_wfourcc(pb, "FFMP");
562 avio_w8(pb, 0); /* decoder version */
563 /* FIXME use AVCodecContext level/profile, when encoder will set values */
564 avio_w8(pb, 0xa); /* level */
565 avio_w8(pb, 0); /* profile */
569 /* TODO: No idea about these values */
570 static int mov_write_svq3_tag(AVIOContext *pb)
573 ffio_wfourcc(pb, "SMI ");
574 ffio_wfourcc(pb, "SEQH");
576 avio_wb32(pb, 0xe2c0211d);
577 avio_wb32(pb, 0xc0000000);
582 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
584 int64_t pos = avio_tell(pb);
587 ffio_wfourcc(pb, "avcC");
588 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
589 return update_size(pb, pos);
592 /* also used by all avid codecs (dv, imx, meridien) and their variants */
593 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
596 avio_wb32(pb, 24); /* size */
597 ffio_wfourcc(pb, "ACLR");
598 ffio_wfourcc(pb, "ACLR");
599 ffio_wfourcc(pb, "0001");
600 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
601 avio_wb32(pb, 0); /* unknown */
603 avio_wb32(pb, 24); /* size */
604 ffio_wfourcc(pb, "APRG");
605 ffio_wfourcc(pb, "APRG");
606 ffio_wfourcc(pb, "0001");
607 avio_wb32(pb, 1); /* unknown */
608 avio_wb32(pb, 0); /* unknown */
610 avio_wb32(pb, 120); /* size */
611 ffio_wfourcc(pb, "ARES");
612 ffio_wfourcc(pb, "ARES");
613 ffio_wfourcc(pb, "0001");
614 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
615 avio_wb32(pb, track->enc->width);
616 /* values below are based on samples created with quicktime and avid codecs */
617 if (track->vos_data[5] & 2) { // interlaced
618 avio_wb32(pb, track->enc->height/2);
619 avio_wb32(pb, 2); /* unknown */
620 avio_wb32(pb, 0); /* unknown */
621 avio_wb32(pb, 4); /* unknown */
623 avio_wb32(pb, track->enc->height);
624 avio_wb32(pb, 1); /* unknown */
625 avio_wb32(pb, 0); /* unknown */
626 if (track->enc->height == 1080)
627 avio_wb32(pb, 5); /* unknown */
629 avio_wb32(pb, 6); /* unknown */
632 for (i = 0; i < 10; i++)
635 /* extra padding for stsd needed */
640 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
642 int tag = track->enc->codec_tag;
644 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
647 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
648 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
649 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
650 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
651 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
652 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
657 static const AVCodecTag codec_ipod_tags[] = {
658 { CODEC_ID_H264, MKTAG('a','v','c','1') },
659 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
660 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
661 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
662 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
663 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
664 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
665 { CODEC_ID_NONE, 0 },
668 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
670 int tag = track->enc->codec_tag;
672 // keep original tag for subs, ipod supports both formats
673 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
674 (tag == MKTAG('t','x','3','g') ||
675 tag == MKTAG('t','e','x','t'))))
676 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
678 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
679 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
680 "Quicktime/Ipod might not play the file\n");
685 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
689 if (track->enc->width == 720) /* SD */
690 if (track->enc->height == 480) /* NTSC */
691 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
692 else tag = MKTAG('d','v','c',' ');
693 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
694 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
695 else tag = MKTAG('d','v','p','p');
696 else if (track->enc->height == 720) /* HD 720 line */
697 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
698 else tag = MKTAG('d','v','h','p');
699 else if (track->enc->height == 1080) /* HD 1080 line */
700 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
701 else tag = MKTAG('d','v','h','6');
703 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
710 static const struct {
711 enum PixelFormat pix_fmt;
714 } mov_pix_fmt_tags[] = {
715 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
716 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
717 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
718 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
719 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
720 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
721 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
722 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
723 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
724 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
725 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
726 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
727 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
728 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
731 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
733 int tag = track->enc->codec_tag;
736 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
737 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
738 tag = mov_pix_fmt_tags[i].tag;
739 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
747 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
749 int tag = track->enc->codec_tag;
751 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
752 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
753 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
754 track->enc->codec_id == CODEC_ID_H263 ||
755 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
756 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
757 tag = mov_get_dv_codec_tag(s, track);
758 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
759 tag = mov_get_rawvideo_codec_tag(s, track);
760 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
761 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
762 if (!tag) { // if no mac fcc found, try with Microsoft tags
763 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
765 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
766 "the file may be unplayable!\n");
768 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
769 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
770 if (!tag) { // if no mac fcc found, try with Microsoft tags
771 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
773 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
774 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
775 "the file may be unplayable!\n");
778 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
779 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
785 static const AVCodecTag codec_3gp_tags[] = {
786 { CODEC_ID_H263, MKTAG('s','2','6','3') },
787 { CODEC_ID_H264, MKTAG('a','v','c','1') },
788 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
789 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
790 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
791 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
792 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
793 { CODEC_ID_NONE, 0 },
796 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
798 int tag = track->enc->codec_tag;
800 if (track->mode == MODE_MP4 || track->mode == MODE_PSP || track->mode == MODE_ISM)
801 tag = mp4_get_codec_tag(s, track);
802 else if (track->mode == MODE_IPOD)
803 tag = ipod_get_codec_tag(s, track);
804 else if (track->mode & MODE_3GP)
805 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
807 tag = mov_get_codec_tag(s, track);
813 * Needed to make file play in iPods running newest firmware
814 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
816 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
819 ffio_wfourcc(pb, "uuid");
820 avio_wb32(pb, 0x6b6840f2);
821 avio_wb32(pb, 0x5f244fc5);
822 avio_wb32(pb, 0xba39a51b);
823 avio_wb32(pb, 0xcf0323f3);
828 static const uint16_t fiel_data[] = {
829 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
832 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
834 unsigned mov_field_order = 0;
835 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
836 mov_field_order = fiel_data[track->enc->field_order];
840 ffio_wfourcc(pb, "fiel");
841 avio_wb16(pb, mov_field_order);
845 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
847 int64_t pos = avio_tell(pb);
848 avio_wb32(pb, 0); /* size */
849 avio_wl32(pb, track->tag); // store it byteswapped
850 avio_wb32(pb, 0); /* Reserved */
851 avio_wb16(pb, 0); /* Reserved */
852 avio_wb16(pb, 1); /* Data-reference index */
854 if (track->enc->extradata_size)
855 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
857 return update_size(pb, pos);
860 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
863 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
864 track->enc->sample_aspect_ratio.den, INT_MAX);
867 ffio_wfourcc(pb, "pasp");
868 avio_wb32(pb, sar.num);
869 avio_wb32(pb, sar.den);
873 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
875 int64_t pos = avio_tell(pb);
876 char compressor_name[32];
878 avio_wb32(pb, 0); /* size */
879 avio_wl32(pb, track->tag); // store it byteswapped
880 avio_wb32(pb, 0); /* Reserved */
881 avio_wb16(pb, 0); /* Reserved */
882 avio_wb16(pb, 1); /* Data-reference index */
884 avio_wb16(pb, 0); /* Codec stream version */
885 avio_wb16(pb, 0); /* Codec stream revision (=0) */
886 if (track->mode == MODE_MOV) {
887 ffio_wfourcc(pb, "FFMP"); /* Vendor */
888 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
889 avio_wb32(pb, 0); /* Temporal Quality */
890 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
892 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
893 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
896 avio_wb32(pb, 0); /* Reserved */
897 avio_wb32(pb, 0); /* Reserved */
898 avio_wb32(pb, 0); /* Reserved */
900 avio_wb16(pb, track->enc->width); /* Video width */
901 avio_wb16(pb, track->height); /* Video height */
902 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
903 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
904 avio_wb32(pb, 0); /* Data size (= 0) */
905 avio_wb16(pb, 1); /* Frame count (= 1) */
907 memset(compressor_name,0,32);
908 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
909 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
910 av_strlcpy(compressor_name,track->enc->codec->name,32);
911 avio_w8(pb, strlen(compressor_name));
912 avio_write(pb, compressor_name, 31);
914 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
915 avio_wb16(pb, track->enc->bits_per_coded_sample);
917 avio_wb16(pb, 0x18); /* Reserved */
918 avio_wb16(pb, 0xffff); /* Reserved */
919 if(track->tag == MKTAG('m','p','4','v'))
920 mov_write_esds_tag(pb, track);
921 else if(track->enc->codec_id == CODEC_ID_H263)
922 mov_write_d263_tag(pb);
923 else if(track->enc->codec_id == CODEC_ID_SVQ3)
924 mov_write_svq3_tag(pb);
925 else if(track->enc->codec_id == CODEC_ID_DNXHD)
926 mov_write_avid_tag(pb, track);
927 else if(track->enc->codec_id == CODEC_ID_H264) {
928 mov_write_avcc_tag(pb, track);
929 if(track->mode == MODE_IPOD)
930 mov_write_uuid_tag_ipod(pb);
931 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
932 mov_write_fiel_tag(pb, track);
933 else if (track->vos_len > 0)
934 mov_write_glbl_tag(pb, track);
936 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
937 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
938 mov_write_pasp_tag(pb, track);
941 return update_size(pb, pos);
944 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
946 int64_t pos = avio_tell(pb);
947 avio_wb32(pb, 0); /* size */
948 ffio_wfourcc(pb, "rtp ");
949 avio_wb32(pb, 0); /* Reserved */
950 avio_wb16(pb, 0); /* Reserved */
951 avio_wb16(pb, 1); /* Data-reference index */
953 avio_wb16(pb, 1); /* Hint track version */
954 avio_wb16(pb, 1); /* Highest compatible version */
955 avio_wb32(pb, track->max_packet_size); /* Max packet size */
957 avio_wb32(pb, 12); /* size */
958 ffio_wfourcc(pb, "tims");
959 avio_wb32(pb, track->timescale);
961 return update_size(pb, pos);
964 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
966 int64_t pos = avio_tell(pb);
967 avio_wb32(pb, 0); /* size */
968 ffio_wfourcc(pb, "stsd");
969 avio_wb32(pb, 0); /* version & flags */
970 avio_wb32(pb, 1); /* entry count */
971 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
972 mov_write_video_tag(pb, track);
973 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
974 mov_write_audio_tag(pb, track);
975 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
976 mov_write_subtitle_tag(pb, track);
977 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
978 mov_write_rtp_tag(pb, track);
979 return update_size(pb, pos);
982 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
984 MOVStts *ctts_entries;
985 uint32_t entries = 0;
989 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
990 ctts_entries[0].count = 1;
991 ctts_entries[0].duration = track->cluster[0].cts;
992 for (i=1; i<track->entry; i++) {
993 if (track->cluster[i].cts == ctts_entries[entries].duration) {
994 ctts_entries[entries].count++; /* compress */
997 ctts_entries[entries].duration = track->cluster[i].cts;
998 ctts_entries[entries].count = 1;
1001 entries++; /* last one */
1002 atom_size = 16 + (entries * 8);
1003 avio_wb32(pb, atom_size); /* size */
1004 ffio_wfourcc(pb, "ctts");
1005 avio_wb32(pb, 0); /* version & flags */
1006 avio_wb32(pb, entries); /* entry count */
1007 for (i=0; i<entries; i++) {
1008 avio_wb32(pb, ctts_entries[i].count);
1009 avio_wb32(pb, ctts_entries[i].duration);
1011 av_free(ctts_entries);
1015 /* Time to sample atom */
1016 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1018 MOVStts *stts_entries;
1019 uint32_t entries = -1;
1023 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1024 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1025 stts_entries[0].count = track->sample_count;
1026 stts_entries[0].duration = 1;
1029 stts_entries = track->entry ?
1030 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1032 for (i=0; i<track->entry; i++) {
1033 int64_t duration = i + 1 == track->entry ?
1034 track->track_duration - track->cluster[i].dts + track->start_dts : /* readjusting */
1035 track->cluster[i+1].dts - track->cluster[i].dts;
1036 if (i && duration == stts_entries[entries].duration) {
1037 stts_entries[entries].count++; /* compress */
1040 stts_entries[entries].duration = duration;
1041 stts_entries[entries].count = 1;
1044 entries++; /* last one */
1046 atom_size = 16 + (entries * 8);
1047 avio_wb32(pb, atom_size); /* size */
1048 ffio_wfourcc(pb, "stts");
1049 avio_wb32(pb, 0); /* version & flags */
1050 avio_wb32(pb, entries); /* entry count */
1051 for (i=0; i<entries; i++) {
1052 avio_wb32(pb, stts_entries[i].count);
1053 avio_wb32(pb, stts_entries[i].duration);
1055 av_free(stts_entries);
1059 static int mov_write_dref_tag(AVIOContext *pb)
1061 avio_wb32(pb, 28); /* size */
1062 ffio_wfourcc(pb, "dref");
1063 avio_wb32(pb, 0); /* version & flags */
1064 avio_wb32(pb, 1); /* entry count */
1066 avio_wb32(pb, 0xc); /* size */
1067 //FIXME add the alis and rsrc atom
1068 ffio_wfourcc(pb, "url ");
1069 avio_wb32(pb, 1); /* version & flags */
1074 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1076 int64_t pos = avio_tell(pb);
1077 avio_wb32(pb, 0); /* size */
1078 ffio_wfourcc(pb, "stbl");
1079 mov_write_stsd_tag(pb, track);
1080 mov_write_stts_tag(pb, track);
1081 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1082 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1083 track->has_keyframes && track->has_keyframes < track->entry)
1084 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1085 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1086 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1087 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1088 track->flags & MOV_TRACK_CTTS)
1089 mov_write_ctts_tag(pb, track);
1090 mov_write_stsc_tag(pb, track);
1091 mov_write_stsz_tag(pb, track);
1092 mov_write_stco_tag(pb, track);
1093 return update_size(pb, pos);
1096 static int mov_write_dinf_tag(AVIOContext *pb)
1098 int64_t pos = avio_tell(pb);
1099 avio_wb32(pb, 0); /* size */
1100 ffio_wfourcc(pb, "dinf");
1101 mov_write_dref_tag(pb);
1102 return update_size(pb, pos);
1105 static int mov_write_nmhd_tag(AVIOContext *pb)
1108 ffio_wfourcc(pb, "nmhd");
1113 static int mov_write_gmhd_tag(AVIOContext *pb)
1115 avio_wb32(pb, 0x20); /* size */
1116 ffio_wfourcc(pb, "gmhd");
1117 avio_wb32(pb, 0x18); /* gmin size */
1118 ffio_wfourcc(pb, "gmin");/* generic media info */
1119 avio_wb32(pb, 0); /* version & flags */
1120 avio_wb16(pb, 0x40); /* graphics mode = */
1121 avio_wb16(pb, 0x8000); /* opColor (r?) */
1122 avio_wb16(pb, 0x8000); /* opColor (g?) */
1123 avio_wb16(pb, 0x8000); /* opColor (b?) */
1124 avio_wb16(pb, 0); /* balance */
1125 avio_wb16(pb, 0); /* reserved */
1129 static int mov_write_smhd_tag(AVIOContext *pb)
1131 avio_wb32(pb, 16); /* size */
1132 ffio_wfourcc(pb, "smhd");
1133 avio_wb32(pb, 0); /* version & flags */
1134 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1135 avio_wb16(pb, 0); /* reserved */
1139 static int mov_write_vmhd_tag(AVIOContext *pb)
1141 avio_wb32(pb, 0x14); /* size (always 0x14) */
1142 ffio_wfourcc(pb, "vmhd");
1143 avio_wb32(pb, 0x01); /* version & flags */
1144 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1148 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1150 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1151 int64_t pos = avio_tell(pb);
1153 if (!track) { /* no media --> data handler */
1156 descr = "DataHandler";
1158 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1159 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1161 descr = "VideoHandler";
1162 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1164 descr = "SoundHandler";
1165 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1166 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1167 else hdlr_type = "text";
1168 descr = "SubtitleHandler";
1169 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1171 descr = "HintHandler";
1175 avio_wb32(pb, 0); /* size */
1176 ffio_wfourcc(pb, "hdlr");
1177 avio_wb32(pb, 0); /* Version & flags */
1178 avio_write(pb, hdlr, 4); /* handler */
1179 ffio_wfourcc(pb, hdlr_type); /* handler type */
1180 avio_wb32(pb ,0); /* reserved */
1181 avio_wb32(pb ,0); /* reserved */
1182 avio_wb32(pb ,0); /* reserved */
1183 if (!track || track->mode == MODE_MOV)
1184 avio_w8(pb, strlen(descr)); /* pascal string */
1185 avio_write(pb, descr, strlen(descr)); /* handler description */
1186 if (track && track->mode != MODE_MOV)
1187 avio_w8(pb, 0); /* c string */
1188 return update_size(pb, pos);
1191 static int mov_write_hmhd_tag(AVIOContext *pb)
1193 /* This atom must be present, but leaving the values at zero
1194 * seems harmless. */
1195 avio_wb32(pb, 28); /* size */
1196 ffio_wfourcc(pb, "hmhd");
1197 avio_wb32(pb, 0); /* version, flags */
1198 avio_wb16(pb, 0); /* maxPDUsize */
1199 avio_wb16(pb, 0); /* avgPDUsize */
1200 avio_wb32(pb, 0); /* maxbitrate */
1201 avio_wb32(pb, 0); /* avgbitrate */
1202 avio_wb32(pb, 0); /* reserved */
1206 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1208 int64_t pos = avio_tell(pb);
1209 avio_wb32(pb, 0); /* size */
1210 ffio_wfourcc(pb, "minf");
1211 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1212 mov_write_vmhd_tag(pb);
1213 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1214 mov_write_smhd_tag(pb);
1215 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1216 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1217 else mov_write_nmhd_tag(pb);
1218 } else if (track->tag == MKTAG('r','t','p',' ')) {
1219 mov_write_hmhd_tag(pb);
1221 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1222 mov_write_hdlr_tag(pb, NULL);
1223 mov_write_dinf_tag(pb);
1224 mov_write_stbl_tag(pb, track);
1225 return update_size(pb, pos);
1228 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1230 int version = track->track_duration < INT32_MAX ? 0 : 1;
1232 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1233 ffio_wfourcc(pb, "mdhd");
1234 avio_w8(pb, version);
1235 avio_wb24(pb, 0); /* flags */
1237 avio_wb64(pb, track->time);
1238 avio_wb64(pb, track->time);
1240 avio_wb32(pb, track->time); /* creation time */
1241 avio_wb32(pb, track->time); /* modification time */
1243 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1244 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1245 avio_wb16(pb, track->language); /* language */
1246 avio_wb16(pb, 0); /* reserved (quality) */
1248 if(version!=0 && track->mode == MODE_MOV){
1249 av_log(NULL, AV_LOG_ERROR,
1250 "FATAL error, file duration too long for timebase, this file will not be\n"
1251 "playable with quicktime. Choose a different timebase or a different\n"
1252 "container format\n");
1258 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1260 int64_t pos = avio_tell(pb);
1261 avio_wb32(pb, 0); /* size */
1262 ffio_wfourcc(pb, "mdia");
1263 mov_write_mdhd_tag(pb, track);
1264 mov_write_hdlr_tag(pb, track);
1265 mov_write_minf_tag(pb, track);
1266 return update_size(pb, pos);
1269 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1271 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1272 track->timescale, AV_ROUND_UP);
1273 int version = duration < INT32_MAX ? 0 : 1;
1275 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1276 ffio_wfourcc(pb, "tkhd");
1277 avio_w8(pb, version);
1278 avio_wb24(pb, 0xf); /* flags (track enabled) */
1280 avio_wb64(pb, track->time);
1281 avio_wb64(pb, track->time);
1283 avio_wb32(pb, track->time); /* creation time */
1284 avio_wb32(pb, track->time); /* modification time */
1286 avio_wb32(pb, track->track_id); /* track-id */
1287 avio_wb32(pb, 0); /* reserved */
1288 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1290 avio_wb32(pb, 0); /* reserved */
1291 avio_wb32(pb, 0); /* reserved */
1292 avio_wb16(pb, 0); /* layer */
1293 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1294 /* Volume, only for audio */
1295 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1296 avio_wb16(pb, 0x0100);
1299 avio_wb16(pb, 0); /* reserved */
1301 /* Matrix structure */
1302 avio_wb32(pb, 0x00010000); /* reserved */
1303 avio_wb32(pb, 0x0); /* reserved */
1304 avio_wb32(pb, 0x0); /* reserved */
1305 avio_wb32(pb, 0x0); /* reserved */
1306 avio_wb32(pb, 0x00010000); /* reserved */
1307 avio_wb32(pb, 0x0); /* reserved */
1308 avio_wb32(pb, 0x0); /* reserved */
1309 avio_wb32(pb, 0x0); /* reserved */
1310 avio_wb32(pb, 0x40000000); /* reserved */
1312 /* Track width and height, for visual only */
1313 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1314 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1315 if(track->mode == MODE_MOV) {
1316 avio_wb32(pb, track->enc->width << 16);
1317 avio_wb32(pb, track->height << 16);
1319 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1320 if(!sample_aspect_ratio || track->height != track->enc->height)
1321 sample_aspect_ratio = 1;
1322 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1323 avio_wb32(pb, track->height*0x10000);
1333 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1335 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1336 track->enc->sample_aspect_ratio.den);
1338 int64_t pos = avio_tell(pb);
1340 avio_wb32(pb, 0); /* size */
1341 ffio_wfourcc(pb, "tapt");
1344 ffio_wfourcc(pb, "clef");
1346 avio_wb32(pb, width << 16);
1347 avio_wb32(pb, track->enc->height << 16);
1350 ffio_wfourcc(pb, "enof");
1352 avio_wb32(pb, track->enc->width << 16);
1353 avio_wb32(pb, track->enc->height << 16);
1355 return update_size(pb, pos);
1358 // This box seems important for the psp playback ... without it the movie seems to hang
1359 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1361 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1362 track->timescale, AV_ROUND_UP);
1363 int version = duration < INT32_MAX ? 0 : 1;
1364 int entry_size, entry_count, size;
1365 int64_t delay, start_ct = track->cluster[0].cts;
1366 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1367 track->timescale, AV_ROUND_DOWN);
1368 version |= delay < INT32_MAX ? 0 : 1;
1370 entry_size = (version == 1) ? 20 : 12;
1371 entry_count = 1 + (delay > 0);
1372 size = 24 + entry_count * entry_size;
1374 /* write the atom data */
1375 avio_wb32(pb, size);
1376 ffio_wfourcc(pb, "edts");
1377 avio_wb32(pb, size - 8);
1378 ffio_wfourcc(pb, "elst");
1379 avio_w8(pb, version);
1380 avio_wb24(pb, 0); /* flags */
1382 avio_wb32(pb, entry_count);
1383 if (delay > 0) { /* add an empty edit to delay presentation */
1385 avio_wb64(pb, delay);
1388 avio_wb32(pb, delay);
1391 avio_wb32(pb, 0x00010000);
1396 avio_wb64(pb, duration);
1397 avio_wb64(pb, start_ct);
1399 avio_wb32(pb, duration);
1400 avio_wb32(pb, start_ct);
1402 avio_wb32(pb, 0x00010000);
1406 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1408 avio_wb32(pb, 20); // size
1409 ffio_wfourcc(pb, "tref");
1410 avio_wb32(pb, 12); // size (subatom)
1411 avio_wl32(pb, track->tref_tag);
1412 avio_wb32(pb, track->tref_id);
1416 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1417 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1419 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1420 ffio_wfourcc(pb, "uuid");
1421 ffio_wfourcc(pb, "USMT");
1422 avio_wb32(pb, 0x21d24fce);
1423 avio_wb32(pb, 0xbb88695c);
1424 avio_wb32(pb, 0xfac9c740);
1425 avio_wb32(pb, 0x1c); // another size here!
1426 ffio_wfourcc(pb, "MTDT");
1427 avio_wb32(pb, 0x00010012);
1428 avio_wb32(pb, 0x0a);
1429 avio_wb32(pb, 0x55c40000);
1435 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1437 char buf[1000] = "";
1440 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1441 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1444 avio_wb32(pb, len + 24);
1445 ffio_wfourcc(pb, "udta");
1446 avio_wb32(pb, len + 16);
1447 ffio_wfourcc(pb, "hnti");
1448 avio_wb32(pb, len + 8);
1449 ffio_wfourcc(pb, "sdp ");
1450 avio_write(pb, buf, len);
1454 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1455 MOVTrack *track, AVStream *st)
1457 int64_t pos = avio_tell(pb);
1458 avio_wb32(pb, 0); /* size */
1459 ffio_wfourcc(pb, "trak");
1460 mov_write_tkhd_tag(pb, track, st);
1461 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1462 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1463 if (track->tref_tag)
1464 mov_write_tref_tag(pb, track);
1465 mov_write_mdia_tag(pb, track);
1466 if (track->mode == MODE_PSP)
1467 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1468 if (track->tag == MKTAG('r','t','p',' '))
1469 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1470 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1471 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1472 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1473 mov_write_tapt_tag(pb, track);
1475 return update_size(pb, pos);
1478 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1480 int i, has_audio = 0, has_video = 0;
1481 int64_t pos = avio_tell(pb);
1482 int audio_profile = mov->iods_audio_profile;
1483 int video_profile = mov->iods_video_profile;
1484 for (i = 0; i < mov->nb_streams; i++) {
1485 if(mov->tracks[i].entry > 0) {
1486 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1487 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1490 if (audio_profile < 0)
1491 audio_profile = 0xFF - has_audio;
1492 if (video_profile < 0)
1493 video_profile = 0xFF - has_video;
1494 avio_wb32(pb, 0x0); /* size */
1495 ffio_wfourcc(pb, "iods");
1496 avio_wb32(pb, 0); /* version & flags */
1497 put_descr(pb, 0x10, 7);
1498 avio_wb16(pb, 0x004f);
1501 avio_w8(pb, audio_profile);
1502 avio_w8(pb, video_profile);
1504 return update_size(pb, pos);
1507 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1509 avio_wb32(pb, 0x20); /* size */
1510 ffio_wfourcc(pb, "trex");
1511 avio_wb32(pb, 0); /* version & flags */
1512 avio_wb32(pb, track->track_id); /* track ID */
1513 avio_wb32(pb, 1); /* default sample description index */
1514 avio_wb32(pb, 0); /* default sample duration */
1515 avio_wb32(pb, 0); /* default sample size */
1516 avio_wb32(pb, 0); /* default sample flags */
1520 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1522 int64_t pos = avio_tell(pb);
1524 avio_wb32(pb, 0x0); /* size */
1525 ffio_wfourcc(pb, "mvex");
1526 for (i = 0; i < mov->nb_streams; i++)
1527 mov_write_trex_tag(pb, &mov->tracks[i]);
1528 return update_size(pb, pos);
1531 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1533 int max_track_id = 1, i;
1534 int64_t max_track_len_temp, max_track_len = 0;
1537 for (i=0; i<mov->nb_streams; i++) {
1538 if(mov->tracks[i].entry > 0) {
1539 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1541 mov->tracks[i].timescale,
1543 if (max_track_len < max_track_len_temp)
1544 max_track_len = max_track_len_temp;
1545 if (max_track_id < mov->tracks[i].track_id)
1546 max_track_id = mov->tracks[i].track_id;
1550 version = max_track_len < UINT32_MAX ? 0 : 1;
1551 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1552 ffio_wfourcc(pb, "mvhd");
1553 avio_w8(pb, version);
1554 avio_wb24(pb, 0); /* flags */
1556 avio_wb64(pb, mov->time);
1557 avio_wb64(pb, mov->time);
1559 avio_wb32(pb, mov->time); /* creation time */
1560 avio_wb32(pb, mov->time); /* modification time */
1562 avio_wb32(pb, MOV_TIMESCALE);
1563 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1565 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1566 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1567 avio_wb16(pb, 0); /* reserved */
1568 avio_wb32(pb, 0); /* reserved */
1569 avio_wb32(pb, 0); /* reserved */
1571 /* Matrix structure */
1572 avio_wb32(pb, 0x00010000); /* reserved */
1573 avio_wb32(pb, 0x0); /* reserved */
1574 avio_wb32(pb, 0x0); /* reserved */
1575 avio_wb32(pb, 0x0); /* reserved */
1576 avio_wb32(pb, 0x00010000); /* reserved */
1577 avio_wb32(pb, 0x0); /* reserved */
1578 avio_wb32(pb, 0x0); /* reserved */
1579 avio_wb32(pb, 0x0); /* reserved */
1580 avio_wb32(pb, 0x40000000); /* reserved */
1582 avio_wb32(pb, 0); /* reserved (preview time) */
1583 avio_wb32(pb, 0); /* reserved (preview duration) */
1584 avio_wb32(pb, 0); /* reserved (poster time) */
1585 avio_wb32(pb, 0); /* reserved (selection time) */
1586 avio_wb32(pb, 0); /* reserved (selection duration) */
1587 avio_wb32(pb, 0); /* reserved (current time) */
1588 avio_wb32(pb, max_track_id + 1); /* Next track id */
1592 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1595 avio_wb32(pb, 33); /* size */
1596 ffio_wfourcc(pb, "hdlr");
1599 ffio_wfourcc(pb, "mdir");
1600 ffio_wfourcc(pb, "appl");
1607 /* helper function to write a data tag with the specified string as data */
1608 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1611 int size = 16 + strlen(data);
1612 avio_wb32(pb, size); /* size */
1613 ffio_wfourcc(pb, "data");
1616 avio_write(pb, data, strlen(data));
1620 lang = ff_mov_iso639_to_lang("und", 1);
1621 avio_wb16(pb, strlen(data)); /* string length */
1622 avio_wb16(pb, lang);
1623 avio_write(pb, data, strlen(data));
1624 return strlen(data) + 4;
1628 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1630 if (value && value[0]) {
1631 int64_t pos = avio_tell(pb);
1632 avio_wb32(pb, 0); /* size */
1633 ffio_wfourcc(pb, name);
1634 mov_write_string_data_tag(pb, value, lang, long_style);
1635 size = update_size(pb, pos);
1640 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1641 const char *name, const char *tag,
1644 int l, lang = 0, len, len2;
1645 AVDictionaryEntry *t, *t2 = NULL;
1648 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1651 len = strlen(t->key);
1652 snprintf(tag2, sizeof(tag2), "%s-", tag);
1653 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1654 len2 = strlen(t2->key);
1655 if (len2 == len+4 && !strcmp(t->value, t2->value)
1656 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1661 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1664 /* iTunes track number */
1665 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1668 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1669 int size = 0, track = t ? atoi(t->value) : 0;
1671 avio_wb32(pb, 32); /* size */
1672 ffio_wfourcc(pb, "trkn");
1673 avio_wb32(pb, 24); /* size */
1674 ffio_wfourcc(pb, "data");
1675 avio_wb32(pb, 0); // 8 bytes empty
1677 avio_wb16(pb, 0); // empty
1678 avio_wb16(pb, track); // track number
1679 avio_wb16(pb, 0); // total track number
1680 avio_wb16(pb, 0); // empty
1686 /* iTunes meta data list */
1687 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1690 int64_t pos = avio_tell(pb);
1691 avio_wb32(pb, 0); /* size */
1692 ffio_wfourcc(pb, "ilst");
1693 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1694 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1695 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1696 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1697 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1698 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1699 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1700 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1701 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1702 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1703 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1704 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1705 mov_write_string_metadata(s, pb, "desc", "description",1);
1706 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1707 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1708 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1709 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1710 mov_write_trkn_tag(pb, mov, s);
1711 return update_size(pb, pos);
1714 /* iTunes meta data tag */
1715 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1719 int64_t pos = avio_tell(pb);
1720 avio_wb32(pb, 0); /* size */
1721 ffio_wfourcc(pb, "meta");
1723 mov_write_itunes_hdlr_tag(pb, mov, s);
1724 mov_write_ilst_tag(pb, mov, s);
1725 size = update_size(pb, pos);
1729 static int utf8len(const uint8_t *b)
1734 GET_UTF8(val, *b++, return -1;)
1740 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1744 GET_UTF8(val, *b++, return -1;)
1747 avio_wb16(pb, 0x00);
1751 static uint16_t language_code(const char *str)
1753 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1756 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1757 const char *tag, const char *str)
1759 int64_t pos = avio_tell(pb);
1760 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1761 if (!t || !utf8len(t->value))
1763 avio_wb32(pb, 0); /* size */
1764 ffio_wfourcc(pb, tag); /* type */
1765 avio_wb32(pb, 0); /* version + flags */
1766 if (!strcmp(tag, "yrrc"))
1767 avio_wb16(pb, atoi(t->value));
1769 avio_wb16(pb, language_code("eng")); /* language */
1770 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1771 if (!strcmp(tag, "albm") &&
1772 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1773 avio_w8(pb, atoi(t->value));
1775 return update_size(pb, pos);
1778 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1780 int64_t pos = avio_tell(pb);
1781 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1783 avio_wb32(pb, 0); // size
1784 ffio_wfourcc(pb, "chpl");
1785 avio_wb32(pb, 0x01000000); // version + flags
1786 avio_wb32(pb, 0); // unknown
1787 avio_w8(pb, nb_chapters);
1789 for (i = 0; i < nb_chapters; i++) {
1790 AVChapter *c = s->chapters[i];
1791 AVDictionaryEntry *t;
1792 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1794 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1795 int len = FFMIN(strlen(t->value), 255);
1797 avio_write(pb, t->value, len);
1801 return update_size(pb, pos);
1804 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1807 AVIOContext *pb_buf;
1811 for (i = 0; i < s->nb_streams; i++)
1812 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1816 ret = avio_open_dyn_buf(&pb_buf);
1820 if (mov->mode & MODE_3GP) {
1821 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1822 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1823 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1824 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1825 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1826 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1827 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1828 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1829 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1830 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1831 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1832 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1833 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1834 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1835 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1836 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1837 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1838 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1840 /* iTunes meta data */
1841 mov_write_meta_tag(pb_buf, mov, s);
1845 mov_write_chpl_tag(pb_buf, s);
1847 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1848 avio_wb32(pb, size+8);
1849 ffio_wfourcc(pb, "udta");
1850 avio_write(pb, buf, size);
1857 static void mov_write_psp_udta_tag(AVIOContext *pb,
1858 const char *str, const char *lang, int type)
1860 int len = utf8len(str)+1;
1863 avio_wb16(pb, len*2+10); /* size */
1864 avio_wb32(pb, type); /* type */
1865 avio_wb16(pb, language_code(lang)); /* language */
1866 avio_wb16(pb, 0x01); /* ? */
1867 ascii_to_wc(pb, str);
1870 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1872 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1876 pos = avio_tell(pb);
1877 avio_wb32(pb, 0); /* size placeholder*/
1878 ffio_wfourcc(pb, "uuid");
1879 ffio_wfourcc(pb, "USMT");
1880 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1881 avio_wb32(pb, 0xbb88695c);
1882 avio_wb32(pb, 0xfac9c740);
1884 pos2 = avio_tell(pb);
1885 avio_wb32(pb, 0); /* size placeholder*/
1886 ffio_wfourcc(pb, "MTDT");
1890 avio_wb16(pb, 0x0C); /* size */
1891 avio_wb32(pb, 0x0B); /* type */
1892 avio_wb16(pb, language_code("und")); /* language */
1893 avio_wb16(pb, 0x0); /* ? */
1894 avio_wb16(pb, 0x021C); /* data */
1896 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1897 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1898 // snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
1899 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1901 update_size(pb, pos2);
1902 return update_size(pb, pos);
1908 static void build_chunks(MOVTrack *trk)
1911 MOVIentry *chunk= &trk->cluster[0];
1912 uint64_t chunkSize = chunk->size;
1915 for(i=1; i<trk->entry; i++){
1916 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
1917 chunkSize + trk->cluster[i].size < (1<<20)){
1918 chunkSize += trk->cluster[i].size;
1919 chunk->samples_in_chunk += trk->cluster[i].entries;
1921 trk->cluster[i].chunkNum = chunk->chunkNum+1;
1922 chunk=&trk->cluster[i];
1923 chunkSize = chunk->size;
1929 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1933 int64_t pos = avio_tell(pb);
1934 avio_wb32(pb, 0); /* size placeholder*/
1935 ffio_wfourcc(pb, "moov");
1937 for (i=0; i<mov->nb_streams; i++) {
1938 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
1941 mov->tracks[i].time = mov->time;
1942 mov->tracks[i].track_id = i+1;
1944 build_chunks(&mov->tracks[i]);
1947 if (mov->chapter_track)
1948 for (i=0; i<s->nb_streams; i++) {
1949 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1950 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
1952 for (i = 0; i < mov->nb_streams; i++) {
1953 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1954 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1955 mov->tracks[i].tref_id =
1956 mov->tracks[mov->tracks[i].src_track].track_id;
1960 mov_write_mvhd_tag(pb, mov);
1961 if (mov->mode != MODE_MOV && !mov->iods_skip)
1962 mov_write_iods_tag(pb, mov);
1963 for (i=0; i<mov->nb_streams; i++) {
1964 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
1965 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1968 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
1969 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
1971 if (mov->mode == MODE_PSP)
1972 mov_write_uuidusmt_tag(pb, s);
1974 mov_write_udta_tag(pb, mov, s);
1976 return update_size(pb, pos);
1979 static void param_write_int(AVIOContext *pb, const char *name, int value)
1981 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
1984 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
1986 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
1989 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
1992 len = FFMIN(sizeof(buf)/2 - 1, len);
1993 ff_data_to_hex(buf, value, len, 0);
1995 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
1998 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2000 uint16_t sps_size, pps_size, len;
2002 sps_size = AV_RB16(&enc->extradata[6]);
2003 if (11 + sps_size > enc->extradata_size)
2005 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2006 if (11 + sps_size + pps_size > enc->extradata_size)
2008 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2009 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2011 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2012 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2013 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2015 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2018 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2020 int64_t pos = avio_tell(pb);
2022 const uint8_t uuid[] = {
2023 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2024 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2028 ffio_wfourcc(pb, "uuid");
2029 avio_write(pb, uuid, sizeof(uuid));
2032 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2033 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2034 avio_printf(pb, "<head>\n");
2035 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2037 avio_printf(pb, "</head>\n");
2038 avio_printf(pb, "<body>\n");
2039 avio_printf(pb, "<switch>\n");
2040 for (i = 0; i < mov->nb_streams; i++) {
2041 MOVTrack *track = &mov->tracks[i];
2043 /* track->track_id is initialized in write_moov, and thus isn't known
2045 int track_id = i + 1;
2047 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2049 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2054 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2055 track->enc->bit_rate);
2056 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2057 param_write_int(pb, "trackID", track_id);
2058 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2059 if (track->enc->codec_id == CODEC_ID_H264 &&
2060 track->enc->extradata_size >= 11 &&
2061 track->enc->extradata[0] == 1) {
2062 write_h264_extradata(pb, track->enc);
2064 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2065 track->enc->extradata_size);
2067 if (track->enc->codec_id == CODEC_ID_H264) {
2068 param_write_string(pb, "FourCC", "H264");
2069 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2070 param_write_string(pb, "FourCC", "WVC1");
2072 param_write_int(pb, "MaxWidth", track->enc->width);
2073 param_write_int(pb, "MaxHeight", track->enc->height);
2074 param_write_int(pb, "DisplayWidth", track->enc->width);
2075 param_write_int(pb, "DisplayHeight", track->enc->height);
2077 if (track->enc->codec_id == CODEC_ID_AAC) {
2078 param_write_string(pb, "FourCC", "AACL");
2079 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2080 param_write_string(pb, "FourCC", "WMAP");
2082 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2083 track->enc->extradata_size);
2084 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2085 track->enc->codec_id));
2086 param_write_int(pb, "Channels", track->enc->channels);
2087 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2088 param_write_int(pb, "BitsPerSample", 16);
2089 param_write_int(pb, "PacketSize", track->enc->block_align ?
2090 track->enc->block_align : 4);
2092 avio_printf(pb, "</%s>\n", type);
2094 avio_printf(pb, "</switch>\n");
2095 avio_printf(pb, "</body>\n");
2096 avio_printf(pb, "</smil>\n");
2098 return update_size(pb, pos);
2101 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2104 ffio_wfourcc(pb, "mfhd");
2106 avio_wb32(pb, mov->fragments);
2110 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2111 int64_t moof_offset)
2113 int64_t pos = avio_tell(pb);
2114 /* default-sample-size + default-sample-duration + base-data-offset */
2115 uint32_t flags = 0x19;
2116 if (!track->entry) {
2117 flags |= 0x010000; /* duration-is-empty */
2119 flags |= 0x20; /* default-sample-flags-present */
2122 /* Don't set a default sample size when creating data for silverlight,
2123 * the player refuses to play files with that set. */
2124 if (track->mode == MODE_ISM)
2127 avio_wb32(pb, 0); /* size placeholder */
2128 ffio_wfourcc(pb, "tfhd");
2129 avio_w8(pb, 0); /* version */
2130 avio_wb24(pb, flags);
2132 avio_wb32(pb, track->track_id); /* track-id */
2134 avio_wb64(pb, moof_offset);
2136 track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
2137 avio_wb32(pb, track->default_duration);
2140 track->default_size = track->entry ? track->cluster[0].size : 1;
2141 avio_wb32(pb, track->default_size);
2143 track->default_size = -1;
2146 track->default_sample_flags =
2147 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2148 0x01010000 : 0x02000000;
2149 avio_wb32(pb, track->default_sample_flags);
2152 return update_size(pb, pos);
2155 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2157 return entry->flags & MOV_SYNC_SAMPLE ? 0x02000000 : 0x01010000;
2160 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2162 int64_t pos = avio_tell(pb);
2163 uint32_t flags = 1; /* data-offset-present */
2166 for (i = 0; i < track->entry; i++) {
2167 int64_t duration = i + 1 == track->entry ?
2168 track->track_duration - track->cluster[i].dts + track->start_dts :
2169 track->cluster[i + 1].dts - track->cluster[i].dts;
2170 if (duration != track->default_duration)
2171 flags |= 0x100; /* sample-duration-present */
2172 if (track->cluster[i].size != track->default_size)
2173 flags |= 0x200; /* sample-size-present */
2174 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2175 flags |= 0x400; /* sample-flags-present */
2177 if (!(flags & 0x400))
2178 flags |= 0x4; /* first-sample-flags-present */
2179 if (track->flags & MOV_TRACK_CTTS)
2180 flags |= 0x800; /* sample-composition-time-offsets-present */
2182 avio_wb32(pb, 0); /* size placeholder */
2183 ffio_wfourcc(pb, "trun");
2184 avio_w8(pb, 0); /* version */
2185 avio_wb24(pb, flags);
2187 avio_wb32(pb, track->entry); /* sample count */
2188 track->moof_size_offset = avio_tell(pb);
2189 avio_wb32(pb, 0); /* data offset */
2190 if (flags & 0x4) /* first sample flags */
2191 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2193 for (i = 0; i < track->entry; i++) {
2194 int64_t duration = i + 1 == track->entry ?
2195 track->track_duration - track->cluster[i].dts + track->start_dts :
2196 track->cluster[i + 1].dts - track->cluster[i].dts;
2198 avio_wb32(pb, duration);
2200 avio_wb32(pb, track->cluster[i].size);
2202 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2204 avio_wb32(pb, track->cluster[i].cts);
2207 return update_size(pb, pos);
2210 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2212 int64_t pos = avio_tell(pb);
2213 const uint8_t uuid[] = {
2214 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2215 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2218 avio_wb32(pb, 0); /* size placeholder */
2219 ffio_wfourcc(pb, "uuid");
2220 avio_write(pb, uuid, sizeof(uuid));
2223 avio_wb64(pb, track->frag_start);
2224 avio_wb64(pb, track->start_dts + track->track_duration -
2225 track->cluster[0].dts);
2227 return update_size(pb, pos);
2230 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2231 MOVTrack *track, int entry)
2233 int n = track->nb_frag_info - 1 - entry, i;
2234 int size = 8 + 16 + 4 + 1 + 16*n;
2235 const uint8_t uuid[] = {
2236 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2237 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2243 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2244 avio_wb32(pb, size);
2245 ffio_wfourcc(pb, "uuid");
2246 avio_write(pb, uuid, sizeof(uuid));
2250 for (i = 0; i < n; i++) {
2251 int index = entry + 1 + i;
2252 avio_wb64(pb, track->frag_info[index].time);
2253 avio_wb64(pb, track->frag_info[index].duration);
2255 if (n < mov->ism_lookahead) {
2256 int free_size = 16*(mov->ism_lookahead - n);
2257 avio_wb32(pb, free_size);
2258 ffio_wfourcc(pb, "free");
2259 for (i = 0; i < free_size - 8; i++)
2266 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2269 int64_t pos = avio_tell(pb);
2271 for (i = 0; i < mov->ism_lookahead; i++) {
2272 /* Update the tfrf tag for the last ism_lookahead fragments,
2273 * nb_frag_info - 1 is the next fragment to be written. */
2274 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2276 avio_seek(pb, pos, SEEK_SET);
2280 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2281 MOVTrack *track, int64_t moof_offset)
2283 int64_t pos = avio_tell(pb);
2284 avio_wb32(pb, 0); /* size placeholder */
2285 ffio_wfourcc(pb, "traf");
2287 mov_write_tfhd_tag(pb, track, moof_offset);
2288 mov_write_trun_tag(pb, track);
2289 if (mov->mode == MODE_ISM) {
2290 mov_write_tfxd_tag(pb, track);
2292 if (mov->ism_lookahead) {
2293 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2295 track->tfrf_offset = avio_tell(pb);
2296 avio_wb32(pb, 8 + size);
2297 ffio_wfourcc(pb, "free");
2298 for (i = 0; i < size; i++)
2303 return update_size(pb, pos);
2306 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2308 int64_t pos = avio_tell(pb), end;
2311 avio_wb32(pb, 0); /* size placeholder */
2312 ffio_wfourcc(pb, "moof");
2314 mov_write_mfhd_tag(pb, mov);
2315 for (i = 0; i < mov->nb_streams; i++) {
2316 MOVTrack *track = &mov->tracks[i];
2317 if (tracks >= 0 && i != tracks)
2321 mov_write_traf_tag(pb, mov, track, pos);
2324 end = avio_tell(pb);
2325 moof_size = end - pos;
2326 for (i = 0; i < mov->nb_streams; i++) {
2327 MOVTrack *track = &mov->tracks[i];
2328 if (tracks >= 0 && i != tracks)
2332 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2333 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2335 avio_seek(pb, end, SEEK_SET);
2337 return update_size(pb, pos);
2340 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2342 int64_t pos = avio_tell(pb);
2345 avio_wb32(pb, 0); /* size placeholder */
2346 ffio_wfourcc(pb, "tfra");
2347 avio_w8(pb, 1); /* version */
2350 avio_wb32(pb, track->track_id);
2351 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2352 avio_wb32(pb, track->nb_frag_info);
2353 for (i = 0; i < track->nb_frag_info; i++) {
2354 avio_wb64(pb, track->frag_info[i].time);
2355 avio_wb64(pb, track->frag_info[i].offset);
2356 avio_w8(pb, 1); /* traf number */
2357 avio_w8(pb, 1); /* trun number */
2358 avio_w8(pb, 1); /* sample number */
2361 return update_size(pb, pos);
2364 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2366 int64_t pos = avio_tell(pb);
2369 avio_wb32(pb, 0); /* size placeholder */
2370 ffio_wfourcc(pb, "mfra");
2371 /* An empty mfra atom is enough to indicate to the publishing point that
2372 * the stream has ended. */
2373 if (mov->flags & FF_MOV_FLAG_ISML)
2374 return update_size(pb, pos);
2376 for (i = 0; i < mov->nb_streams; i++) {
2377 MOVTrack *track = &mov->tracks[i];
2378 if (track->nb_frag_info)
2379 mov_write_tfra_tag(pb, track);
2383 ffio_wfourcc(pb, "mfro");
2384 avio_wb32(pb, 0); /* version + flags */
2385 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2387 return update_size(pb, pos);
2390 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2392 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2393 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2395 mov->mdat_pos = avio_tell(pb);
2396 avio_wb32(pb, 0); /* size placeholder*/
2397 ffio_wfourcc(pb, "mdat");
2401 /* TODO: This needs to be more general */
2402 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2404 MOVMuxContext *mov = s->priv_data;
2405 int64_t pos = avio_tell(pb);
2406 int has_h264 = 0, has_video = 0;
2410 for (i = 0; i < s->nb_streams; i++) {
2411 AVStream *st = s->streams[i];
2412 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2414 if (st->codec->codec_id == CODEC_ID_H264)
2418 avio_wb32(pb, 0); /* size */
2419 ffio_wfourcc(pb, "ftyp");
2421 if (mov->mode == MODE_3GP) {
2422 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2423 minor = has_h264 ? 0x100 : 0x200;
2424 } else if (mov->mode & MODE_3G2) {
2425 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2426 minor = has_h264 ? 0x20000 : 0x10000;
2427 }else if (mov->mode == MODE_PSP)
2428 ffio_wfourcc(pb, "MSNV");
2429 else if (mov->mode == MODE_MP4)
2430 ffio_wfourcc(pb, "isom");
2431 else if (mov->mode == MODE_IPOD)
2432 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2433 else if (mov->mode == MODE_ISM)
2434 ffio_wfourcc(pb, "isml");
2436 ffio_wfourcc(pb, "qt ");
2438 avio_wb32(pb, minor);
2440 if(mov->mode == MODE_MOV)
2441 ffio_wfourcc(pb, "qt ");
2442 else if (mov->mode == MODE_ISM) {
2443 ffio_wfourcc(pb, "piff");
2444 ffio_wfourcc(pb, "iso2");
2446 ffio_wfourcc(pb, "isom");
2447 ffio_wfourcc(pb, "iso2");
2449 ffio_wfourcc(pb, "avc1");
2452 if (mov->mode == MODE_3GP)
2453 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2454 else if (mov->mode & MODE_3G2)
2455 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2456 else if (mov->mode == MODE_PSP)
2457 ffio_wfourcc(pb, "MSNV");
2458 else if (mov->mode == MODE_MP4)
2459 ffio_wfourcc(pb, "mp41");
2460 return update_size(pb, pos);
2463 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2465 AVCodecContext *video_codec = s->streams[0]->codec;
2466 AVCodecContext *audio_codec = s->streams[1]->codec;
2467 int audio_rate = audio_codec->sample_rate;
2468 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2469 int audio_kbitrate = audio_codec->bit_rate / 1000;
2470 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2472 avio_wb32(pb, 0x94); /* size */
2473 ffio_wfourcc(pb, "uuid");
2474 ffio_wfourcc(pb, "PROF");
2476 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2477 avio_wb32(pb, 0xbb88695c);
2478 avio_wb32(pb, 0xfac9c740);
2480 avio_wb32(pb, 0x0); /* ? */
2481 avio_wb32(pb, 0x3); /* 3 sections ? */
2483 avio_wb32(pb, 0x14); /* size */
2484 ffio_wfourcc(pb, "FPRF");
2485 avio_wb32(pb, 0x0); /* ? */
2486 avio_wb32(pb, 0x0); /* ? */
2487 avio_wb32(pb, 0x0); /* ? */
2489 avio_wb32(pb, 0x2c); /* size */
2490 ffio_wfourcc(pb, "APRF");/* audio */
2492 avio_wb32(pb, 0x2); /* TrackID */
2493 ffio_wfourcc(pb, "mp4a");
2494 avio_wb32(pb, 0x20f);
2496 avio_wb32(pb, audio_kbitrate);
2497 avio_wb32(pb, audio_kbitrate);
2498 avio_wb32(pb, audio_rate);
2499 avio_wb32(pb, audio_codec->channels);
2501 avio_wb32(pb, 0x34); /* size */
2502 ffio_wfourcc(pb, "VPRF"); /* video */
2504 avio_wb32(pb, 0x1); /* TrackID */
2505 if (video_codec->codec_id == CODEC_ID_H264) {
2506 ffio_wfourcc(pb, "avc1");
2507 avio_wb16(pb, 0x014D);
2508 avio_wb16(pb, 0x0015);
2510 ffio_wfourcc(pb, "mp4v");
2511 avio_wb16(pb, 0x0000);
2512 avio_wb16(pb, 0x0103);
2515 avio_wb32(pb, video_kbitrate);
2516 avio_wb32(pb, video_kbitrate);
2517 avio_wb32(pb, frame_rate);
2518 avio_wb32(pb, frame_rate);
2519 avio_wb16(pb, video_codec->width);
2520 avio_wb16(pb, video_codec->height);
2521 avio_wb32(pb, 0x010001); /* ? */
2524 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2527 int i, closed_gop = 0;
2529 for (i = 0; i < pkt->size - 4; i++) {
2530 c = (c<<8) + pkt->data[i];
2531 if (c == 0x1b8) { // gop
2532 closed_gop = pkt->data[i+4]>>6 & 0x01;
2533 } else if (c == 0x100) { // pic
2534 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2535 if (!temp_ref || closed_gop) // I picture is not reordered
2536 *flags = MOV_SYNC_SAMPLE;
2538 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2545 static int mov_flush_fragment(AVFormatContext *s)
2547 MOVMuxContext *mov = s->priv_data;
2548 int i, first_track = -1;
2549 int64_t mdat_size = 0;
2551 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2554 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2555 int64_t pos = avio_tell(s->pb);
2557 for (i = 0; i < mov->nb_streams; i++)
2558 if (!mov->tracks[i].entry)
2560 /* Don't write the initial moov unless all tracks have data */
2561 if (i < mov->nb_streams)
2563 avio_seek(s->pb, mov->mdat_pos, SEEK_SET);
2564 avio_wb32(s->pb, mov->mdat_size + 8);
2565 avio_seek(s->pb, pos, SEEK_SET);
2566 mov_write_moov_tag(s->pb, mov, s);
2569 for (i = 0; i < mov->nb_streams; i++) {
2570 if (mov->tracks[i].entry)
2571 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2572 mov->tracks[i].track_duration -
2573 mov->tracks[i].cluster[0].dts;
2574 mov->tracks[i].entry = 0;
2580 for (i = 0; i < mov->nb_streams; i++) {
2581 MOVTrack *track = &mov->tracks[i];
2582 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2583 track->data_offset = 0;
2585 track->data_offset = mdat_size;
2586 if (!track->mdat_buf)
2588 mdat_size += avio_tell(track->mdat_buf);
2589 if (first_track < 0)
2596 for (i = 0; i < mov->nb_streams; i++) {
2597 MOVTrack *track = &mov->tracks[i];
2598 int buf_size, write_moof = 1, moof_tracks = -1;
2600 int64_t duration = 0;
2603 duration = track->start_dts + track->track_duration -
2604 track->cluster[0].dts;
2605 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2606 if (!track->mdat_buf)
2608 mdat_size = avio_tell(track->mdat_buf);
2611 write_moof = i == first_track;
2615 MOVFragmentInfo *info;
2617 track->nb_frag_info++;
2618 track->frag_info = av_realloc(track->frag_info,
2619 sizeof(*track->frag_info) *
2620 track->nb_frag_info);
2621 info = &track->frag_info[track->nb_frag_info - 1];
2622 info->offset = avio_tell(s->pb);
2623 info->time = mov->tracks[i].frag_start;
2624 info->duration = duration;
2625 mov_write_tfrf_tags(s->pb, mov, track);
2627 mov_write_moof_tag(s->pb, mov, moof_tracks);
2628 info->tfrf_offset = track->tfrf_offset;
2631 avio_wb32(s->pb, mdat_size + 8);
2632 ffio_wfourcc(s->pb, "mdat");
2636 track->frag_start += duration;
2638 if (!track->mdat_buf)
2640 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2641 track->mdat_buf = NULL;
2643 avio_write(s->pb, buf, buf_size);
2653 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2655 MOVMuxContext *mov = s->priv_data;
2656 AVIOContext *pb = s->pb;
2657 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2658 AVCodecContext *enc = trk->enc;
2659 unsigned int samples_in_chunk = 0;
2660 int size= pkt->size;
2661 uint8_t *reformatted_data = NULL;
2663 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2664 return 0; /* Can't handle that */
2666 if (!size) return 0; /* Discard 0 sized packets */
2668 if ((mov->max_fragment_duration && trk->entry &&
2669 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2670 s->streams[pkt->stream_index]->time_base,
2671 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2672 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2673 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2674 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2675 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2676 mov_flush_fragment(s);
2679 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->fragments > 0) {
2680 if (!trk->mdat_buf) {
2682 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2688 if (enc->codec_id == CODEC_ID_AMR_NB) {
2689 /* We must find out how many AMR blocks there are in one packet */
2690 static uint16_t packed_size[16] =
2691 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2694 while (len < size && samples_in_chunk < 100) {
2695 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2698 if (samples_in_chunk > 1) {
2699 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2702 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2703 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2704 samples_in_chunk = enc->frame_size;
2705 } else if (trk->sample_size)
2706 samples_in_chunk = size / trk->sample_size;
2708 samples_in_chunk = 1;
2710 /* copy extradata if it exists */
2711 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2712 trk->vos_len = enc->extradata_size;
2713 trk->vos_data = av_malloc(trk->vos_len);
2714 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2717 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2718 /* from x264 or from bytestream h264 */
2719 /* nal reformating needed */
2720 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2721 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2723 avio_write(pb, reformatted_data, size);
2725 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2727 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2728 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2729 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2732 avio_write(pb, pkt->data, size);
2735 if ((enc->codec_id == CODEC_ID_DNXHD ||
2736 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2737 /* copy frame to create needed atoms */
2738 trk->vos_len = size;
2739 trk->vos_data = av_malloc(size);
2741 return AVERROR(ENOMEM);
2742 memcpy(trk->vos_data, pkt->data, size);
2745 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2746 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2751 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2752 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2753 trk->cluster[trk->entry].chunkNum = 0;
2754 trk->cluster[trk->entry].size = size;
2755 trk->cluster[trk->entry].entries = samples_in_chunk;
2756 trk->cluster[trk->entry].dts = pkt->dts;
2757 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2758 /* First packet of a new fragment. We already wrote the duration
2759 * of the last packet of the previous fragment based on track_duration,
2760 * which might not exactly match our dts. Therefore adjust the dts
2761 * of this packet to be what the previous packets duration implies. */
2762 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2764 if (trk->start_dts == AV_NOPTS_VALUE)
2765 trk->start_dts = pkt->dts;
2766 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2768 if (pkt->pts == AV_NOPTS_VALUE) {
2769 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2770 pkt->pts = pkt->dts;
2772 if (pkt->dts != pkt->pts)
2773 trk->flags |= MOV_TRACK_CTTS;
2774 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2775 trk->cluster[trk->entry].flags = 0;
2776 if (pkt->flags & AV_PKT_FLAG_KEY) {
2777 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2778 trk->entry > 0) { // force sync sample for the first key frame
2779 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2780 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2781 trk->flags |= MOV_TRACK_STPS;
2783 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2785 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2786 trk->has_keyframes++;
2789 trk->sample_count += samples_in_chunk;
2790 mov->mdat_size += size;
2794 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2795 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2796 reformatted_data, size);
2797 av_free(reformatted_data);
2801 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2804 mov_flush_fragment(s);
2807 return mov_write_packet_internal(s, pkt);
2811 // QuickTime chapters involve an additional text track with the chapter names
2812 // as samples, and a tref pointing from the other tracks to the chapter one.
2813 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2815 MOVMuxContext *mov = s->priv_data;
2816 MOVTrack *track = &mov->tracks[tracknum];
2817 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2820 track->mode = mov->mode;
2821 track->tag = MKTAG('t','e','x','t');
2822 track->timescale = MOV_TIMESCALE;
2823 track->enc = avcodec_alloc_context3(NULL);
2824 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2826 for (i = 0; i < s->nb_chapters; i++) {
2827 AVChapter *c = s->chapters[i];
2828 AVDictionaryEntry *t;
2830 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2831 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2832 pkt.duration = end - pkt.dts;
2834 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2835 len = strlen(t->value);
2837 pkt.data = av_malloc(pkt.size);
2838 AV_WB16(pkt.data, len);
2839 memcpy(pkt.data+2, t->value, len);
2840 ff_mov_write_packet(s, &pkt);
2841 av_freep(&pkt.data);
2846 static int mov_write_header(AVFormatContext *s)
2848 AVIOContext *pb = s->pb;
2849 MOVMuxContext *mov = s->priv_data;
2850 AVDictionaryEntry *t;
2851 int i, hint_track = 0;
2853 /* Non-seekable output is ok if EMPTY_MOOV is set, or if using the ismv
2854 * format (which sets EMPTY_MOOV later in this function). If ism_lookahead
2855 * is enabled, we don't support non-seekable output at all. */
2856 if (!s->pb->seekable &&
2857 ((!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) &&
2858 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
2859 || mov->ism_lookahead)) {
2860 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2864 /* Default mode == MP4 */
2865 mov->mode = MODE_MP4;
2867 if (s->oformat != NULL) {
2868 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2869 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2870 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2871 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2872 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2873 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
2875 mov_write_ftyp_tag(pb,s);
2876 if (mov->mode == MODE_PSP) {
2877 if (s->nb_streams != 2) {
2878 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2881 mov_write_uuidprof_tag(pb,s);
2885 mov->nb_streams = s->nb_streams;
2886 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2887 mov->chapter_track = mov->nb_streams++;
2889 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2890 /* Add hint tracks for each audio and video stream */
2891 hint_track = mov->nb_streams;
2892 for (i = 0; i < s->nb_streams; i++) {
2893 AVStream *st = s->streams[i];
2894 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2895 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2901 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2903 return AVERROR(ENOMEM);
2905 for(i=0; i<s->nb_streams; i++){
2906 AVStream *st= s->streams[i];
2907 MOVTrack *track= &mov->tracks[i];
2908 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2910 track->enc = st->codec;
2911 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2912 if (track->language < 0)
2913 track->language = 0;
2914 track->mode = mov->mode;
2915 track->tag = mov_find_codec_tag(s, track);
2917 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2918 "codec not currently supported in container\n", i);
2921 /* If hinting of this track is enabled by a later hint track,
2922 * this is updated. */
2923 track->hint_track = -1;
2924 track->start_dts = AV_NOPTS_VALUE;
2925 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2926 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2927 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2928 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2929 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2930 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2933 track->height = track->tag>>24 == 'n' ? 486 : 576;
2935 track->timescale = st->codec->time_base.den;
2936 if (track->mode == MODE_MOV && track->timescale > 100000)
2937 av_log(s, AV_LOG_WARNING,
2938 "WARNING codec timebase is very high. If duration is too long,\n"
2939 "file may not be playable by quicktime. Specify a shorter timebase\n"
2940 "or choose different container.\n");
2941 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2942 track->timescale = st->codec->sample_rate;
2943 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2944 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2946 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2947 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2948 if (!st->codec->block_align) {
2949 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2952 track->sample_size = st->codec->block_align;
2953 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2954 track->audio_vbr = 1;
2956 st->codec->frame_size = 1;
2957 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2959 if (track->mode != MODE_MOV) {
2960 if (track->timescale > UINT16_MAX) {
2961 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2962 "sample rate %dhz\n", i, track->timescale);
2965 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2966 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2967 i, track->enc->sample_rate);
2971 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2972 track->timescale = st->codec->time_base.den;
2975 track->height = st->codec->height;
2976 /* The ism specific timescale isn't mandatory, but is assumed by
2977 * some tools, such as mp4split. */
2978 if (mov->mode == MODE_ISM)
2979 track->timescale = 10000000;
2981 avpriv_set_pts_info(st, 64, 1, track->timescale);
2983 /* copy extradata if it exists */
2984 if (st->codec->extradata_size) {
2985 track->vos_len = st->codec->extradata_size;
2986 track->vos_data = av_malloc(track->vos_len);
2987 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
2991 if (mov->mode == MODE_ISM) {
2992 /* If no fragmentation options have been set, set a default. */
2993 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
2994 FF_MOV_FLAG_FRAG_CUSTOM)) &&
2995 !mov->max_fragment_duration && !mov->max_fragment_size)
2996 mov->max_fragment_duration = 5000000;
2997 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
3000 if(mov->reserved_moov_size){
3001 mov->reserved_moov_pos= avio_tell(pb);
3002 avio_skip(pb, mov->reserved_moov_size);
3005 /* Set the FRAGMENT flag if any of the fragmentation methods are
3007 if (mov->max_fragment_duration || mov->max_fragment_size ||
3008 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3009 FF_MOV_FLAG_FRAG_KEYFRAME |
3010 FF_MOV_FLAG_FRAG_CUSTOM))
3011 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3013 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
3014 mov_write_mdat_tag(pb, mov);
3016 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3017 mov->time = ff_iso8601_to_unix_time(t->value);
3019 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3021 if (mov->chapter_track)
3022 mov_create_chapter_track(s, mov->chapter_track);
3024 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3025 /* Initialize the hint tracks for each audio and video stream */
3026 for (i = 0; i < s->nb_streams; i++) {
3027 AVStream *st = s->streams[i];
3028 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3029 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3030 ff_mov_init_hinting(s, hint_track, i);
3038 if (mov->flags & FF_MOV_FLAG_ISML)
3039 mov_write_isml_manifest(pb, mov);
3041 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3042 mov_write_moov_tag(pb, mov, s);
3048 av_freep(&mov->tracks);
3052 static int mov_write_trailer(AVFormatContext *s)
3054 MOVMuxContext *mov = s->priv_data;
3055 AVIOContext *pb = s->pb;
3059 int64_t moov_pos = avio_tell(pb);
3061 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3062 /* Write size of mdat tag */
3063 if (mov->mdat_size + 8 <= UINT32_MAX) {
3064 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3065 avio_wb32(pb, mov->mdat_size + 8);
3067 /* overwrite 'wide' placeholder atom */
3068 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3069 /* special value: real atom size will be 64 bit value after
3072 ffio_wfourcc(pb, "mdat");
3073 avio_wb64(pb, mov->mdat_size + 16);
3075 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3077 mov_write_moov_tag(pb, mov, s);
3078 if(mov->reserved_moov_size){
3079 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3081 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3084 avio_wb32(pb, size);
3085 ffio_wfourcc(pb, "free");
3086 for(i=0; i<size; i++)
3088 avio_seek(pb, moov_pos, SEEK_SET);
3091 mov_flush_fragment(s);
3092 mov_write_mfra_tag(pb, mov);
3095 if (mov->chapter_track)
3096 av_freep(&mov->tracks[mov->chapter_track].enc);
3098 for (i=0; i<mov->nb_streams; i++) {
3099 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3100 ff_mov_close_hinting(&mov->tracks[i]);
3101 av_freep(&mov->tracks[i].cluster);
3102 av_freep(&mov->tracks[i].frag_info);
3104 if (mov->tracks[i].vos_len)
3105 av_free(mov->tracks[i].vos_data);
3111 av_freep(&mov->tracks);
3116 #if CONFIG_MOV_MUXER
3118 AVOutputFormat ff_mov_muxer = {
3120 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3121 .extensions = "mov",
3122 .priv_data_size = sizeof(MOVMuxContext),
3123 .audio_codec = CODEC_ID_AAC,
3124 #if CONFIG_LIBX264_ENCODER
3125 .video_codec = CODEC_ID_H264,
3127 .video_codec = CODEC_ID_MPEG4,
3129 .write_header = mov_write_header,
3130 .write_packet = ff_mov_write_packet,
3131 .write_trailer = mov_write_trailer,
3132 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3133 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
3134 .priv_class = &mov_muxer_class,
3137 #if CONFIG_TGP_MUXER
3139 AVOutputFormat ff_tgp_muxer = {
3141 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3142 .extensions = "3gp",
3143 .priv_data_size = sizeof(MOVMuxContext),
3144 .audio_codec = CODEC_ID_AMR_NB,
3145 .video_codec = CODEC_ID_H263,
3146 .write_header = mov_write_header,
3147 .write_packet = ff_mov_write_packet,
3148 .write_trailer = mov_write_trailer,
3149 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3150 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3151 .priv_class = &tgp_muxer_class,
3154 #if CONFIG_MP4_MUXER
3156 AVOutputFormat ff_mp4_muxer = {
3158 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3159 .mime_type = "application/mp4",
3160 .extensions = "mp4",
3161 .priv_data_size = sizeof(MOVMuxContext),
3162 .audio_codec = CODEC_ID_AAC,
3163 #if CONFIG_LIBX264_ENCODER
3164 .video_codec = CODEC_ID_H264,
3166 .video_codec = CODEC_ID_MPEG4,
3168 .write_header = mov_write_header,
3169 .write_packet = ff_mov_write_packet,
3170 .write_trailer = mov_write_trailer,
3171 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3172 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3173 .priv_class = &mp4_muxer_class,
3176 #if CONFIG_PSP_MUXER
3178 AVOutputFormat ff_psp_muxer = {
3180 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3181 .extensions = "mp4,psp",
3182 .priv_data_size = sizeof(MOVMuxContext),
3183 .audio_codec = CODEC_ID_AAC,
3184 #if CONFIG_LIBX264_ENCODER
3185 .video_codec = CODEC_ID_H264,
3187 .video_codec = CODEC_ID_MPEG4,
3189 .write_header = mov_write_header,
3190 .write_packet = ff_mov_write_packet,
3191 .write_trailer = mov_write_trailer,
3192 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3193 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3194 .priv_class = &psp_muxer_class,
3197 #if CONFIG_TG2_MUXER
3199 AVOutputFormat ff_tg2_muxer = {
3201 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3202 .extensions = "3g2",
3203 .priv_data_size = sizeof(MOVMuxContext),
3204 .audio_codec = CODEC_ID_AMR_NB,
3205 .video_codec = CODEC_ID_H263,
3206 .write_header = mov_write_header,
3207 .write_packet = ff_mov_write_packet,
3208 .write_trailer = mov_write_trailer,
3209 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3210 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3211 .priv_class = &tg2_muxer_class,
3214 #if CONFIG_IPOD_MUXER
3216 AVOutputFormat ff_ipod_muxer = {
3218 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3219 .mime_type = "application/mp4",
3220 .extensions = "m4v,m4a",
3221 .priv_data_size = sizeof(MOVMuxContext),
3222 .audio_codec = CODEC_ID_AAC,
3223 .video_codec = CODEC_ID_H264,
3224 .write_header = mov_write_header,
3225 .write_packet = ff_mov_write_packet,
3226 .write_trailer = mov_write_trailer,
3227 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3228 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3229 .priv_class = &ipod_muxer_class,
3232 #if CONFIG_ISMV_MUXER
3234 AVOutputFormat ff_ismv_muxer = {
3236 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3237 .mime_type = "application/mp4",
3238 .extensions = "ismv,isma",
3239 .priv_data_size = sizeof(MOVMuxContext),
3240 .audio_codec = CODEC_ID_AAC,
3241 .video_codec = CODEC_ID_H264,
3242 .write_header = mov_write_header,
3243 .write_packet = ff_mov_write_packet,
3244 .write_trailer = mov_write_trailer,
3245 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3246 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3247 .priv_class = &ismv_muxer_class,