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"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "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" },
49 { "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 },
50 { "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" },
51 { "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" },
52 { "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" },
53 { "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" },
54 { "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" },
55 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags)
56 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
57 { "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},
58 { "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},
59 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
62 { "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},
66 #define MOV_CLASS(flavor)\
67 static const AVClass flavor ## _muxer_class = {\
68 .class_name = #flavor " muxer",\
69 .item_name = av_default_item_name,\
71 .version = LIBAVUTIL_VERSION_INT,\
74 //FIXME support 64 bit variant with wide placeholders
75 static int64_t update_size(AVIOContext *pb, int64_t pos)
77 int64_t curpos = avio_tell(pb);
78 avio_seek(pb, pos, SEEK_SET);
79 avio_wb32(pb, curpos - pos); /* rewrite size */
80 avio_seek(pb, curpos, SEEK_SET);
85 /* Chunk offset atom */
86 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
89 int mode64 = 0; // use 32 bit size variant if possible
90 int64_t pos = avio_tell(pb);
91 avio_wb32(pb, 0); /* size */
92 if (pos > UINT32_MAX) {
94 ffio_wfourcc(pb, "co64");
96 ffio_wfourcc(pb, "stco");
97 avio_wb32(pb, 0); /* version & flags */
98 avio_wb32(pb, track->chunkCount); /* entry count */
99 for (i=0; i<track->entry; i++) {
100 if(!track->cluster[i].chunkNum)
103 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
105 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
107 return update_size(pb, pos);
110 /* Sample size atom */
111 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
114 int i, j, entries = 0, tst = -1, oldtst = -1;
116 int64_t pos = avio_tell(pb);
117 avio_wb32(pb, 0); /* size */
118 ffio_wfourcc(pb, "stsz");
119 avio_wb32(pb, 0); /* version & flags */
121 for (i=0; i<track->entry; i++) {
122 tst = track->cluster[i].size/track->cluster[i].entries;
123 if(oldtst != -1 && tst != oldtst) {
127 entries += track->cluster[i].entries;
129 if (equalChunks && track->entry) {
130 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
131 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
132 avio_wb32(pb, sSize); // sample size
133 avio_wb32(pb, entries); // sample count
136 avio_wb32(pb, 0); // sample size
137 avio_wb32(pb, entries); // sample count
138 for (i=0; i<track->entry; i++) {
139 for (j=0; j<track->cluster[i].entries; j++) {
140 avio_wb32(pb, track->cluster[i].size /
141 track->cluster[i].entries);
145 return update_size(pb, pos);
148 /* Sample to chunk atom */
149 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
151 int index = 0, oldval = -1, i;
152 int64_t entryPos, curpos;
154 int64_t pos = avio_tell(pb);
155 avio_wb32(pb, 0); /* size */
156 ffio_wfourcc(pb, "stsc");
157 avio_wb32(pb, 0); // version & flags
158 entryPos = avio_tell(pb);
159 avio_wb32(pb, track->chunkCount); // entry count
160 for (i=0; i<track->entry; i++) {
161 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
163 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
164 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
165 avio_wb32(pb, 0x1); // sample description index
166 oldval = track->cluster[i].samples_in_chunk;
170 curpos = avio_tell(pb);
171 avio_seek(pb, entryPos, SEEK_SET);
172 avio_wb32(pb, index); // rewrite size
173 avio_seek(pb, curpos, SEEK_SET);
175 return update_size(pb, pos);
178 /* Sync sample atom */
179 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
181 int64_t curpos, entryPos;
183 int64_t pos = avio_tell(pb);
184 avio_wb32(pb, 0); // size
185 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
186 avio_wb32(pb, 0); // version & flags
187 entryPos = avio_tell(pb);
188 avio_wb32(pb, track->entry); // entry count
189 for (i=0; i<track->entry; i++) {
190 if (track->cluster[i].flags & flag) {
195 curpos = avio_tell(pb);
196 avio_seek(pb, entryPos, SEEK_SET);
197 avio_wb32(pb, index); // rewrite size
198 avio_seek(pb, curpos, SEEK_SET);
199 return update_size(pb, pos);
202 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
204 avio_wb32(pb, 0x11); /* size */
205 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
206 else ffio_wfourcc(pb, "damr");
207 ffio_wfourcc(pb, "FFMP");
208 avio_w8(pb, 0); /* decoder version */
210 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
211 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
212 avio_w8(pb, 0x01); /* Frames per sample */
216 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
221 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
223 if (track->vos_len < 7)
227 ffio_wfourcc(pb, "dac3");
229 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
230 fscod = get_bits(&gbc, 2);
231 frmsizecod = get_bits(&gbc, 6);
232 bsid = get_bits(&gbc, 5);
233 bsmod = get_bits(&gbc, 3);
234 acmod = get_bits(&gbc, 3);
236 skip_bits(&gbc, 2); // dsurmod
238 if ((acmod & 1) && acmod != 1)
239 skip_bits(&gbc, 2); // cmixlev
241 skip_bits(&gbc, 2); // surmixlev
243 lfeon = get_bits1(&gbc);
245 init_put_bits(&pbc, buf, sizeof(buf));
246 put_bits(&pbc, 2, fscod);
247 put_bits(&pbc, 5, bsid);
248 put_bits(&pbc, 3, bsmod);
249 put_bits(&pbc, 3, acmod);
250 put_bits(&pbc, 1, lfeon);
251 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
252 put_bits(&pbc, 5, 0); // reserved
254 flush_put_bits(&pbc);
255 avio_write(pb, buf, sizeof(buf));
261 * This function writes extradata "as is".
262 * Extradata must be formatted like a valid atom (with size and tag).
264 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
266 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
267 return track->enc->extradata_size;
270 static int mov_write_enda_tag(AVIOContext *pb)
273 ffio_wfourcc(pb, "enda");
274 avio_wb16(pb, 1); /* little endian */
278 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
283 avio_w8(pb, (size>>(7*i)) | 0x80);
284 avio_w8(pb, size & 0x7F);
287 static unsigned compute_avg_bitrate(MOVTrack *track)
291 if (!track->track_duration)
293 for (i = 0; i < track->entry; i++)
294 size += track->cluster[i].size;
295 return size * 8 * track->timescale / track->track_duration;
298 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
300 int64_t pos = avio_tell(pb);
301 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
302 unsigned avg_bitrate;
304 avio_wb32(pb, 0); // size
305 ffio_wfourcc(pb, "esds");
306 avio_wb32(pb, 0); // Version
309 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
310 avio_wb16(pb, track->track_id);
311 avio_w8(pb, 0x00); // flags (= no flags)
313 // DecoderConfig descriptor
314 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
316 // Object type indication
317 if ((track->enc->codec_id == CODEC_ID_MP2 ||
318 track->enc->codec_id == CODEC_ID_MP3) &&
319 track->enc->sample_rate > 24000)
320 avio_w8(pb, 0x6B); // 11172-3
322 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
324 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
325 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
326 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
327 avio_w8(pb, 0x15); // flags (= Audiostream)
329 avio_w8(pb, 0x11); // flags (= Visualstream)
331 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
332 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
334 avg_bitrate = compute_avg_bitrate(track);
335 // maxbitrate (FIXME should be max rate in any 1 sec window)
336 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
337 avio_wb32(pb, avg_bitrate);
339 if (track->vos_len) {
340 // DecoderSpecific info descriptor
341 put_descr(pb, 0x05, track->vos_len);
342 avio_write(pb, track->vos_data, track->vos_len);
346 put_descr(pb, 0x06, 1);
348 return update_size(pb, pos);
351 static int mov_pcm_le_gt16(enum CodecID codec_id)
353 return codec_id == CODEC_ID_PCM_S24LE ||
354 codec_id == CODEC_ID_PCM_S32LE ||
355 codec_id == CODEC_ID_PCM_F32LE ||
356 codec_id == CODEC_ID_PCM_F64LE;
359 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
361 int64_t pos = avio_tell(pb);
363 avio_wl32(pb, track->tag); // store it byteswapped
364 track->enc->codec_tag = av_bswap16(track->tag >> 16);
365 ff_put_wav_header(pb, track->enc);
366 return update_size(pb, pos);
369 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
371 int64_t pos = avio_tell(pb);
373 ffio_wfourcc(pb, "wfex");
374 ff_put_wav_header(pb, track->enc);
375 return update_size(pb, pos);
378 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
380 uint32_t layout_tag, bitmap;
381 int64_t pos = avio_tell(pb);
383 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
384 track->enc->channel_layout,
387 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
388 "lack of channel information\n");
392 avio_wb32(pb, 0); // Size
393 ffio_wfourcc(pb, "chan"); // Type
394 avio_w8(pb, 0); // Version
395 avio_wb24(pb, 0); // Flags
396 avio_wb32(pb, layout_tag); // mChannelLayoutTag
397 avio_wb32(pb, bitmap); // mChannelBitmap
398 avio_wb32(pb, 0); // mNumberChannelDescriptions
400 return update_size(pb, pos);
403 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
405 int64_t pos = avio_tell(pb);
407 avio_wb32(pb, 0); /* size */
408 ffio_wfourcc(pb, "wave");
410 avio_wb32(pb, 12); /* size */
411 ffio_wfourcc(pb, "frma");
412 avio_wl32(pb, track->tag);
414 if (track->enc->codec_id == CODEC_ID_AAC) {
415 /* useless atom needed by mplayer, ipod, not needed by quicktime */
416 avio_wb32(pb, 12); /* size */
417 ffio_wfourcc(pb, "mp4a");
419 mov_write_esds_tag(pb, track);
420 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
421 mov_write_enda_tag(pb);
422 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
423 mov_write_amr_tag(pb, track);
424 } else if (track->enc->codec_id == CODEC_ID_AC3) {
425 mov_write_ac3_tag(pb, track);
426 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
427 mov_write_extradata_tag(pb, track);
428 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
429 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
430 mov_write_ms_tag(pb, track);
433 avio_wb32(pb, 8); /* size */
434 avio_wb32(pb, 0); /* null tag */
436 return update_size(pb, pos);
439 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
442 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
443 int unescaped_size, seq_found = 0;
444 int level = 0, interlace = 0;
445 int packet_seq = track->vc1_info.packet_seq;
446 int packet_entry = track->vc1_info.packet_entry;
447 int slices = track->vc1_info.slices;
450 if (track->start_dts == AV_NOPTS_VALUE) {
451 /* No packets written yet, vc1_info isn't authoritative yet. */
452 /* Assume inline sequence and entry headers. This will be
453 * overwritten at the end if the file is seekable. */
454 packet_seq = packet_entry = 1;
457 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
459 return AVERROR(ENOMEM);
460 start = find_next_marker(track->vos_data, end);
461 for (next = start; next < end; start = next) {
464 next = find_next_marker(start + 4, end);
465 size = next - start - 4;
468 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
469 init_get_bits(&gb, unescaped, 8 * unescaped_size);
470 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
471 int profile = get_bits(&gb, 2);
472 if (profile != PROFILE_ADVANCED) {
474 return AVERROR(ENOSYS);
477 level = get_bits(&gb, 3);
478 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
480 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
481 skip_bits(&gb, 1); /* broadcast */
482 interlace = get_bits1(&gb);
483 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
488 return AVERROR(ENOSYS);
491 init_put_bits(&pbc, buf, 7);
492 /* VC1DecSpecStruc */
493 put_bits(&pbc, 4, 12); /* profile - advanced */
494 put_bits(&pbc, 3, level);
495 put_bits(&pbc, 1, 0); /* reserved */
496 /* VC1AdvDecSpecStruc */
497 put_bits(&pbc, 3, level);
498 put_bits(&pbc, 1, 0); /* cbr */
499 put_bits(&pbc, 6, 0); /* reserved */
500 put_bits(&pbc, 1, !interlace); /* no interlace */
501 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
502 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
503 put_bits(&pbc, 1, !slices); /* no slice code */
504 put_bits(&pbc, 1, 0); /* no bframe */
505 put_bits(&pbc, 1, 0); /* reserved */
506 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
507 flush_put_bits(&pbc);
514 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
516 uint8_t buf[7] = { 0 };
519 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
522 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
523 ffio_wfourcc(pb, "dvc1");
524 track->vc1_info.struct_offset = avio_tell(pb);
525 avio_write(pb, buf, sizeof(buf));
526 avio_write(pb, track->vos_data, track->vos_len);
531 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
533 avio_wb32(pb, track->vos_len + 8);
534 ffio_wfourcc(pb, "glbl");
535 avio_write(pb, track->vos_data, track->vos_len);
536 return 8 + track->vos_len;
540 * Compute flags for 'lpcm' tag.
541 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
543 static int mov_get_lpcm_flags(enum CodecID codec_id)
546 case CODEC_ID_PCM_F32BE:
547 case CODEC_ID_PCM_F64BE:
549 case CODEC_ID_PCM_F32LE:
550 case CODEC_ID_PCM_F64LE:
552 case CODEC_ID_PCM_U8:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_S24BE:
556 case CODEC_ID_PCM_S32BE:
558 case CODEC_ID_PCM_S8:
559 case CODEC_ID_PCM_S16LE:
560 case CODEC_ID_PCM_S24LE:
561 case CODEC_ID_PCM_S32LE:
568 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
572 if (cluster_idx >= track->entry)
575 if (cluster_idx + 1 == track->entry)
576 next_dts = track->track_duration + track->start_dts;
578 next_dts = track->cluster[cluster_idx + 1].dts;
580 return next_dts - track->cluster[cluster_idx].dts;
583 static int get_samples_per_packet(MOVTrack *track)
585 int i, first_duration;
587 // return track->enc->frame_size;
589 /* use 1 for raw PCM */
590 if (!track->audio_vbr)
593 /* check to see if duration is constant for all clusters */
596 first_duration = get_cluster_duration(track, 0);
597 for (i = 1; i < track->entry; i++) {
598 if (get_cluster_duration(track, i) != first_duration)
601 return first_duration;
604 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
606 int64_t pos = avio_tell(pb);
608 uint32_t tag = track->tag;
610 if (track->mode == MODE_MOV) {
611 if (track->timescale > UINT16_MAX) {
612 if (mov_get_lpcm_flags(track->enc->codec_id))
613 tag = AV_RL32("lpcm");
615 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
616 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
617 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
622 avio_wb32(pb, 0); /* size */
623 avio_wl32(pb, tag); // store it byteswapped
624 avio_wb32(pb, 0); /* Reserved */
625 avio_wb16(pb, 0); /* Reserved */
626 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
628 /* SoundDescription */
629 avio_wb16(pb, version); /* Version */
630 avio_wb16(pb, 0); /* Revision level */
631 avio_wb32(pb, 0); /* Reserved */
636 avio_wb16(pb, 0xfffe);
638 avio_wb32(pb, 0x00010000);
640 avio_wb64(pb, av_double2int(track->enc->sample_rate));
641 avio_wb32(pb, track->enc->channels);
642 avio_wb32(pb, 0x7F000000);
643 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
644 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
645 avio_wb32(pb, track->sample_size);
646 avio_wb32(pb, get_samples_per_packet(track));
648 if (track->mode == MODE_MOV) {
649 avio_wb16(pb, track->enc->channels);
650 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
651 track->enc->codec_id == CODEC_ID_PCM_S8)
652 avio_wb16(pb, 8); /* bits per sample */
655 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
656 } else { /* reserved for mp4/3gp */
662 avio_wb16(pb, 0); /* packet size (= 0) */
663 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
664 track->enc->sample_rate : 0);
665 avio_wb16(pb, 0); /* Reserved */
668 if(version == 1) { /* SoundDescription V1 extended info */
669 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
670 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
671 avio_wb32(pb, track->sample_size); /* Bytes per frame */
672 avio_wb32(pb, 2); /* Bytes per sample */
675 if(track->mode == MODE_MOV &&
676 (track->enc->codec_id == CODEC_ID_AAC ||
677 track->enc->codec_id == CODEC_ID_AC3 ||
678 track->enc->codec_id == CODEC_ID_AMR_NB ||
679 track->enc->codec_id == CODEC_ID_ALAC ||
680 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
681 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
682 (mov_pcm_le_gt16(track->enc->codec_id) && version==1)))
683 mov_write_wave_tag(pb, track);
684 else if(track->tag == MKTAG('m','p','4','a'))
685 mov_write_esds_tag(pb, track);
686 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
687 mov_write_amr_tag(pb, track);
688 else if(track->enc->codec_id == CODEC_ID_AC3)
689 mov_write_ac3_tag(pb, track);
690 else if(track->enc->codec_id == CODEC_ID_ALAC)
691 mov_write_extradata_tag(pb, track);
692 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
693 mov_write_wfex_tag(pb, track);
694 else if (track->vos_len > 0)
695 mov_write_glbl_tag(pb, track);
697 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
698 mov_write_chan_tag(pb, track);
700 return update_size(pb, pos);
703 static int mov_write_d263_tag(AVIOContext *pb)
705 avio_wb32(pb, 0xf); /* size */
706 ffio_wfourcc(pb, "d263");
707 ffio_wfourcc(pb, "FFMP");
708 avio_w8(pb, 0); /* decoder version */
709 /* FIXME use AVCodecContext level/profile, when encoder will set values */
710 avio_w8(pb, 0xa); /* level */
711 avio_w8(pb, 0); /* profile */
715 /* TODO: No idea about these values */
716 static int mov_write_svq3_tag(AVIOContext *pb)
719 ffio_wfourcc(pb, "SMI ");
720 ffio_wfourcc(pb, "SEQH");
722 avio_wb32(pb, 0xe2c0211d);
723 avio_wb32(pb, 0xc0000000);
728 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
730 int64_t pos = avio_tell(pb);
733 ffio_wfourcc(pb, "avcC");
734 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
735 return update_size(pb, pos);
738 /* also used by all avid codecs (dv, imx, meridien) and their variants */
739 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
742 avio_wb32(pb, 24); /* size */
743 ffio_wfourcc(pb, "ACLR");
744 ffio_wfourcc(pb, "ACLR");
745 ffio_wfourcc(pb, "0001");
746 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
747 avio_wb32(pb, 0); /* unknown */
749 avio_wb32(pb, 24); /* size */
750 ffio_wfourcc(pb, "APRG");
751 ffio_wfourcc(pb, "APRG");
752 ffio_wfourcc(pb, "0001");
753 avio_wb32(pb, 1); /* unknown */
754 avio_wb32(pb, 0); /* unknown */
756 avio_wb32(pb, 120); /* size */
757 ffio_wfourcc(pb, "ARES");
758 ffio_wfourcc(pb, "ARES");
759 ffio_wfourcc(pb, "0001");
760 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
761 avio_wb32(pb, track->enc->width);
762 /* values below are based on samples created with quicktime and avid codecs */
763 if (track->vos_data[5] & 2) { // interlaced
764 avio_wb32(pb, track->enc->height/2);
765 avio_wb32(pb, 2); /* unknown */
766 avio_wb32(pb, 0); /* unknown */
767 avio_wb32(pb, 4); /* unknown */
769 avio_wb32(pb, track->enc->height);
770 avio_wb32(pb, 1); /* unknown */
771 avio_wb32(pb, 0); /* unknown */
772 if (track->enc->height == 1080)
773 avio_wb32(pb, 5); /* unknown */
775 avio_wb32(pb, 6); /* unknown */
778 for (i = 0; i < 10; i++)
781 /* extra padding for stsd needed */
786 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
788 int tag = track->enc->codec_tag;
790 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
793 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
794 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
795 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
796 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
797 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
798 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
799 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
804 static const AVCodecTag codec_ipod_tags[] = {
805 { CODEC_ID_H264, MKTAG('a','v','c','1') },
806 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
807 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
808 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
809 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
810 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
811 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
812 { CODEC_ID_NONE, 0 },
815 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
817 int tag = track->enc->codec_tag;
819 // keep original tag for subs, ipod supports both formats
820 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
821 (tag == MKTAG('t','x','3','g') ||
822 tag == MKTAG('t','e','x','t'))))
823 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
825 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
826 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
827 "Quicktime/Ipod might not play the file\n");
832 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
836 if (track->enc->width == 720) /* SD */
837 if (track->enc->height == 480) /* NTSC */
838 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
839 else tag = MKTAG('d','v','c',' ');
840 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
841 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
842 else tag = MKTAG('d','v','p','p');
843 else if (track->enc->height == 720) /* HD 720 line */
844 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
845 else tag = MKTAG('d','v','h','p');
846 else if (track->enc->height == 1080) /* HD 1080 line */
847 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
848 else tag = MKTAG('d','v','h','6');
850 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
857 static const struct {
858 enum PixelFormat pix_fmt;
861 } mov_pix_fmt_tags[] = {
862 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
863 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
864 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
865 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
866 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
867 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
868 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
869 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
870 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
871 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
872 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
873 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
874 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
875 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
878 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
880 int tag = track->enc->codec_tag;
883 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
884 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
885 tag = mov_pix_fmt_tags[i].tag;
886 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
894 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
896 int tag = track->enc->codec_tag;
898 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
899 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
900 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
901 track->enc->codec_id == CODEC_ID_H263 ||
902 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
903 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
904 tag = mov_get_dv_codec_tag(s, track);
905 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
906 tag = mov_get_rawvideo_codec_tag(s, track);
907 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
908 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
909 if (!tag) { // if no mac fcc found, try with Microsoft tags
910 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
912 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
913 "the file may be unplayable!\n");
915 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
916 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
917 if (!tag) { // if no mac fcc found, try with Microsoft tags
918 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
920 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
921 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
922 "the file may be unplayable!\n");
925 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
926 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
932 static const AVCodecTag codec_3gp_tags[] = {
933 { CODEC_ID_H263, MKTAG('s','2','6','3') },
934 { CODEC_ID_H264, MKTAG('a','v','c','1') },
935 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
936 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
937 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
938 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
939 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
940 { CODEC_ID_NONE, 0 },
943 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
947 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
948 tag = mp4_get_codec_tag(s, track);
949 else if (track->mode == MODE_ISM) {
950 tag = mp4_get_codec_tag(s, track);
951 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
952 tag = MKTAG('w', 'm', 'a', ' ');
953 } else if (track->mode == MODE_IPOD)
954 tag = ipod_get_codec_tag(s, track);
955 else if (track->mode & MODE_3GP)
956 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
958 tag = mov_get_codec_tag(s, track);
964 * Needed to make file play in iPods running newest firmware
965 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
967 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
970 ffio_wfourcc(pb, "uuid");
971 avio_wb32(pb, 0x6b6840f2);
972 avio_wb32(pb, 0x5f244fc5);
973 avio_wb32(pb, 0xba39a51b);
974 avio_wb32(pb, 0xcf0323f3);
979 static const uint16_t fiel_data[] = {
980 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
983 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
985 unsigned mov_field_order = 0;
986 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
987 mov_field_order = fiel_data[track->enc->field_order];
991 ffio_wfourcc(pb, "fiel");
992 avio_wb16(pb, mov_field_order);
996 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
998 int64_t pos = avio_tell(pb);
999 avio_wb32(pb, 0); /* size */
1000 avio_wl32(pb, track->tag); // store it byteswapped
1001 avio_wb32(pb, 0); /* Reserved */
1002 avio_wb16(pb, 0); /* Reserved */
1003 avio_wb16(pb, 1); /* Data-reference index */
1005 if (track->enc->extradata_size)
1006 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1008 return update_size(pb, pos);
1011 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1014 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1015 track->enc->sample_aspect_ratio.den, INT_MAX);
1018 ffio_wfourcc(pb, "pasp");
1019 avio_wb32(pb, sar.num);
1020 avio_wb32(pb, sar.den);
1024 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1026 int64_t pos = avio_tell(pb);
1027 char compressor_name[32] = { 0 };
1029 avio_wb32(pb, 0); /* size */
1030 avio_wl32(pb, track->tag); // store it byteswapped
1031 avio_wb32(pb, 0); /* Reserved */
1032 avio_wb16(pb, 0); /* Reserved */
1033 avio_wb16(pb, 1); /* Data-reference index */
1035 avio_wb16(pb, 0); /* Codec stream version */
1036 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1037 if (track->mode == MODE_MOV) {
1038 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1039 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
1040 avio_wb32(pb, 0); /* Temporal Quality */
1041 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1043 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1044 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1047 avio_wb32(pb, 0); /* Reserved */
1048 avio_wb32(pb, 0); /* Reserved */
1049 avio_wb32(pb, 0); /* Reserved */
1051 avio_wb16(pb, track->enc->width); /* Video width */
1052 avio_wb16(pb, track->height); /* Video height */
1053 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1054 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1055 avio_wb32(pb, 0); /* Data size (= 0) */
1056 avio_wb16(pb, 1); /* Frame count (= 1) */
1058 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1059 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1060 av_strlcpy(compressor_name,track->enc->codec->name,32);
1061 avio_w8(pb, strlen(compressor_name));
1062 avio_write(pb, compressor_name, 31);
1064 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1065 avio_wb16(pb, track->enc->bits_per_coded_sample);
1067 avio_wb16(pb, 0x18); /* Reserved */
1068 avio_wb16(pb, 0xffff); /* Reserved */
1069 if(track->tag == MKTAG('m','p','4','v'))
1070 mov_write_esds_tag(pb, track);
1071 else if(track->enc->codec_id == CODEC_ID_H263)
1072 mov_write_d263_tag(pb);
1073 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1074 mov_write_svq3_tag(pb);
1075 else if(track->enc->codec_id == CODEC_ID_AVUI)
1076 mov_write_extradata_tag(pb, track);
1077 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1078 mov_write_avid_tag(pb, track);
1079 else if(track->enc->codec_id == CODEC_ID_H264) {
1080 mov_write_avcc_tag(pb, track);
1081 if(track->mode == MODE_IPOD)
1082 mov_write_uuid_tag_ipod(pb);
1083 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1084 mov_write_fiel_tag(pb, track);
1085 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1086 mov_write_dvc1_tag(pb, track);
1087 else if (track->vos_len > 0)
1088 mov_write_glbl_tag(pb, track);
1090 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1091 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1092 mov_write_pasp_tag(pb, track);
1095 return update_size(pb, pos);
1098 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1100 int64_t pos = avio_tell(pb);
1101 int frame_duration = track->enc->time_base.num;
1102 int nb_frames = (track->timescale + frame_duration/2) / frame_duration;
1104 avio_wb32(pb, 0); /* size */
1105 ffio_wfourcc(pb, "tmcd"); /* Data format */
1106 avio_wb32(pb, 0); /* Reserved */
1107 avio_wb32(pb, 1); /* Data reference index */
1108 avio_wb32(pb, 0); /* Flags */
1109 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1110 avio_wb32(pb, track->timescale); /* Timescale */
1111 avio_wb32(pb, frame_duration); /* Frame duration */
1112 avio_w8(pb, nb_frames); /* Number of frames */
1113 avio_wb24(pb, 0); /* Reserved */
1114 /* TODO: source reference string */
1115 return update_size(pb, pos);
1118 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1120 int64_t pos = avio_tell(pb);
1121 avio_wb32(pb, 0); /* size */
1122 ffio_wfourcc(pb, "rtp ");
1123 avio_wb32(pb, 0); /* Reserved */
1124 avio_wb16(pb, 0); /* Reserved */
1125 avio_wb16(pb, 1); /* Data-reference index */
1127 avio_wb16(pb, 1); /* Hint track version */
1128 avio_wb16(pb, 1); /* Highest compatible version */
1129 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1131 avio_wb32(pb, 12); /* size */
1132 ffio_wfourcc(pb, "tims");
1133 avio_wb32(pb, track->timescale);
1135 return update_size(pb, pos);
1138 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1140 int64_t pos = avio_tell(pb);
1141 avio_wb32(pb, 0); /* size */
1142 ffio_wfourcc(pb, "stsd");
1143 avio_wb32(pb, 0); /* version & flags */
1144 avio_wb32(pb, 1); /* entry count */
1145 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1146 mov_write_video_tag(pb, track);
1147 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1148 mov_write_audio_tag(pb, track);
1149 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1150 mov_write_subtitle_tag(pb, track);
1151 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1152 mov_write_rtp_tag(pb, track);
1153 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1154 mov_write_tmcd_tag(pb, track);
1155 return update_size(pb, pos);
1158 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1160 MOVStts *ctts_entries;
1161 uint32_t entries = 0;
1165 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1166 ctts_entries[0].count = 1;
1167 ctts_entries[0].duration = track->cluster[0].cts;
1168 for (i=1; i<track->entry; i++) {
1169 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1170 ctts_entries[entries].count++; /* compress */
1173 ctts_entries[entries].duration = track->cluster[i].cts;
1174 ctts_entries[entries].count = 1;
1177 entries++; /* last one */
1178 atom_size = 16 + (entries * 8);
1179 avio_wb32(pb, atom_size); /* size */
1180 ffio_wfourcc(pb, "ctts");
1181 avio_wb32(pb, 0); /* version & flags */
1182 avio_wb32(pb, entries); /* entry count */
1183 for (i=0; i<entries; i++) {
1184 avio_wb32(pb, ctts_entries[i].count);
1185 avio_wb32(pb, ctts_entries[i].duration);
1187 av_free(ctts_entries);
1191 /* Time to sample atom */
1192 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1194 MOVStts *stts_entries;
1195 uint32_t entries = -1;
1199 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1200 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1201 stts_entries[0].count = track->sample_count;
1202 stts_entries[0].duration = 1;
1205 stts_entries = track->entry ?
1206 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1208 for (i=0; i<track->entry; i++) {
1209 int duration = get_cluster_duration(track, i);
1210 if (i && duration == stts_entries[entries].duration) {
1211 stts_entries[entries].count++; /* compress */
1214 stts_entries[entries].duration = duration;
1215 stts_entries[entries].count = 1;
1218 entries++; /* last one */
1220 atom_size = 16 + (entries * 8);
1221 avio_wb32(pb, atom_size); /* size */
1222 ffio_wfourcc(pb, "stts");
1223 avio_wb32(pb, 0); /* version & flags */
1224 avio_wb32(pb, entries); /* entry count */
1225 for (i=0; i<entries; i++) {
1226 avio_wb32(pb, stts_entries[i].count);
1227 avio_wb32(pb, stts_entries[i].duration);
1229 av_free(stts_entries);
1233 static int mov_write_dref_tag(AVIOContext *pb)
1235 avio_wb32(pb, 28); /* size */
1236 ffio_wfourcc(pb, "dref");
1237 avio_wb32(pb, 0); /* version & flags */
1238 avio_wb32(pb, 1); /* entry count */
1240 avio_wb32(pb, 0xc); /* size */
1241 //FIXME add the alis and rsrc atom
1242 ffio_wfourcc(pb, "url ");
1243 avio_wb32(pb, 1); /* version & flags */
1248 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1250 int64_t pos = avio_tell(pb);
1251 avio_wb32(pb, 0); /* size */
1252 ffio_wfourcc(pb, "stbl");
1253 mov_write_stsd_tag(pb, track);
1254 mov_write_stts_tag(pb, track);
1255 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1256 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1257 track->has_keyframes && track->has_keyframes < track->entry)
1258 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1259 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1260 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1261 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1262 track->flags & MOV_TRACK_CTTS)
1263 mov_write_ctts_tag(pb, track);
1264 mov_write_stsc_tag(pb, track);
1265 mov_write_stsz_tag(pb, track);
1266 mov_write_stco_tag(pb, track);
1267 return update_size(pb, pos);
1270 static int mov_write_dinf_tag(AVIOContext *pb)
1272 int64_t pos = avio_tell(pb);
1273 avio_wb32(pb, 0); /* size */
1274 ffio_wfourcc(pb, "dinf");
1275 mov_write_dref_tag(pb);
1276 return update_size(pb, pos);
1279 static int mov_write_nmhd_tag(AVIOContext *pb)
1282 ffio_wfourcc(pb, "nmhd");
1287 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1289 int64_t pos = avio_tell(pb);
1290 const char *font = "Lucida Grande";
1291 avio_wb32(pb, 0); /* size */
1292 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1293 avio_wb32(pb, 0); /* version & flags */
1294 avio_wb16(pb, 0); /* text font */
1295 avio_wb16(pb, 0); /* text face */
1296 avio_wb16(pb, 12); /* text size */
1297 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1298 avio_wb16(pb, 0x0000); /* text color (red) */
1299 avio_wb16(pb, 0x0000); /* text color (green) */
1300 avio_wb16(pb, 0x0000); /* text color (blue) */
1301 avio_wb16(pb, 0xffff); /* background color (red) */
1302 avio_wb16(pb, 0xffff); /* background color (green) */
1303 avio_wb16(pb, 0xffff); /* background color (blue) */
1304 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1305 avio_write(pb, font, strlen(font)); /* font name */
1306 return update_size(pb, pos);
1309 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1311 int64_t pos = avio_tell(pb);
1312 avio_wb32(pb, 0); /* size */
1313 ffio_wfourcc(pb, "gmhd");
1314 avio_wb32(pb, 0x18); /* gmin size */
1315 ffio_wfourcc(pb, "gmin");/* generic media info */
1316 avio_wb32(pb, 0); /* version & flags */
1317 avio_wb16(pb, 0x40); /* graphics mode = */
1318 avio_wb16(pb, 0x8000); /* opColor (r?) */
1319 avio_wb16(pb, 0x8000); /* opColor (g?) */
1320 avio_wb16(pb, 0x8000); /* opColor (b?) */
1321 avio_wb16(pb, 0); /* balance */
1322 avio_wb16(pb, 0); /* reserved */
1325 * This special text atom is required for
1326 * Apple Quicktime chapters. The contents
1327 * don't appear to be documented, so the
1328 * bytes are copied verbatim.
1330 avio_wb32(pb, 0x2C); /* size */
1331 ffio_wfourcc(pb, "text");
1332 avio_wb16(pb, 0x01);
1333 avio_wb32(pb, 0x00);
1334 avio_wb32(pb, 0x00);
1335 avio_wb32(pb, 0x00);
1336 avio_wb32(pb, 0x01);
1337 avio_wb32(pb, 0x00);
1338 avio_wb32(pb, 0x00);
1339 avio_wb32(pb, 0x00);
1340 avio_wb32(pb, 0x00004000);
1341 avio_wb16(pb, 0x0000);
1343 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1344 int64_t tmcd_pos = avio_tell(pb);
1345 avio_wb32(pb, 0); /* size */
1346 ffio_wfourcc(pb, "tmcd");
1347 mov_write_tcmi_tag(pb, track);
1348 update_size(pb, tmcd_pos);
1350 return update_size(pb, pos);
1353 static int mov_write_smhd_tag(AVIOContext *pb)
1355 avio_wb32(pb, 16); /* size */
1356 ffio_wfourcc(pb, "smhd");
1357 avio_wb32(pb, 0); /* version & flags */
1358 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1359 avio_wb16(pb, 0); /* reserved */
1363 static int mov_write_vmhd_tag(AVIOContext *pb)
1365 avio_wb32(pb, 0x14); /* size (always 0x14) */
1366 ffio_wfourcc(pb, "vmhd");
1367 avio_wb32(pb, 0x01); /* version & flags */
1368 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1372 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1374 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1375 int64_t pos = avio_tell(pb);
1377 if (!track) { /* no media --> data handler */
1380 descr = "DataHandler";
1382 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1383 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1385 descr = "VideoHandler";
1386 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1388 descr = "SoundHandler";
1389 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1390 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1391 else hdlr_type = "text";
1392 descr = "SubtitleHandler";
1393 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1395 descr = "TimeCodeHandler";
1396 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1398 descr = "HintHandler";
1402 descr = "DataHandler";
1406 avio_wb32(pb, 0); /* size */
1407 ffio_wfourcc(pb, "hdlr");
1408 avio_wb32(pb, 0); /* Version & flags */
1409 avio_write(pb, hdlr, 4); /* handler */
1410 ffio_wfourcc(pb, hdlr_type); /* handler type */
1411 avio_wb32(pb ,0); /* reserved */
1412 avio_wb32(pb ,0); /* reserved */
1413 avio_wb32(pb ,0); /* reserved */
1414 if (!track || track->mode == MODE_MOV)
1415 avio_w8(pb, strlen(descr)); /* pascal string */
1416 avio_write(pb, descr, strlen(descr)); /* handler description */
1417 if (track && track->mode != MODE_MOV)
1418 avio_w8(pb, 0); /* c string */
1419 return update_size(pb, pos);
1422 static int mov_write_hmhd_tag(AVIOContext *pb)
1424 /* This atom must be present, but leaving the values at zero
1425 * seems harmless. */
1426 avio_wb32(pb, 28); /* size */
1427 ffio_wfourcc(pb, "hmhd");
1428 avio_wb32(pb, 0); /* version, flags */
1429 avio_wb16(pb, 0); /* maxPDUsize */
1430 avio_wb16(pb, 0); /* avgPDUsize */
1431 avio_wb32(pb, 0); /* maxbitrate */
1432 avio_wb32(pb, 0); /* avgbitrate */
1433 avio_wb32(pb, 0); /* reserved */
1437 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1439 int64_t pos = avio_tell(pb);
1440 avio_wb32(pb, 0); /* size */
1441 ffio_wfourcc(pb, "minf");
1442 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1443 mov_write_vmhd_tag(pb);
1444 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1445 mov_write_smhd_tag(pb);
1446 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1447 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb, track);
1448 else mov_write_nmhd_tag(pb);
1449 } else if (track->tag == MKTAG('t','m','c','d')) {
1450 mov_write_gmhd_tag(pb, track);
1451 } else if (track->tag == MKTAG('r','t','p',' ')) {
1452 mov_write_hmhd_tag(pb);
1454 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1455 mov_write_hdlr_tag(pb, NULL);
1456 mov_write_dinf_tag(pb);
1457 mov_write_stbl_tag(pb, track);
1458 return update_size(pb, pos);
1461 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1463 int version = track->track_duration < INT32_MAX ? 0 : 1;
1465 if (track->mode == MODE_ISM)
1468 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1469 ffio_wfourcc(pb, "mdhd");
1470 avio_w8(pb, version);
1471 avio_wb24(pb, 0); /* flags */
1473 avio_wb64(pb, track->time);
1474 avio_wb64(pb, track->time);
1476 avio_wb32(pb, track->time); /* creation time */
1477 avio_wb32(pb, track->time); /* modification time */
1479 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1481 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1483 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1484 avio_wb16(pb, track->language); /* language */
1485 avio_wb16(pb, 0); /* reserved (quality) */
1487 if(version!=0 && track->mode == MODE_MOV){
1488 av_log(NULL, AV_LOG_ERROR,
1489 "FATAL error, file duration too long for timebase, this file will not be\n"
1490 "playable with quicktime. Choose a different timebase or a different\n"
1491 "container format\n");
1497 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1499 int64_t pos = avio_tell(pb);
1500 avio_wb32(pb, 0); /* size */
1501 ffio_wfourcc(pb, "mdia");
1502 mov_write_mdhd_tag(pb, track);
1503 mov_write_hdlr_tag(pb, track);
1504 mov_write_minf_tag(pb, track);
1505 return update_size(pb, pos);
1508 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1510 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1511 track->timescale, AV_ROUND_UP);
1512 int version = duration < INT32_MAX ? 0 : 1;
1514 if (track->mode == MODE_ISM)
1517 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1518 ffio_wfourcc(pb, "tkhd");
1519 avio_w8(pb, version);
1520 avio_wb24(pb, 0xf); /* flags (track enabled) */
1522 avio_wb64(pb, track->time);
1523 avio_wb64(pb, track->time);
1525 avio_wb32(pb, track->time); /* creation time */
1526 avio_wb32(pb, track->time); /* modification time */
1528 avio_wb32(pb, track->track_id); /* track-id */
1529 avio_wb32(pb, 0); /* reserved */
1531 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1533 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1535 avio_wb32(pb, 0); /* reserved */
1536 avio_wb32(pb, 0); /* reserved */
1537 avio_wb16(pb, 0); /* layer */
1538 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1539 /* Volume, only for audio */
1540 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1541 avio_wb16(pb, 0x0100);
1544 avio_wb16(pb, 0); /* reserved */
1546 /* Matrix structure */
1547 avio_wb32(pb, 0x00010000); /* reserved */
1548 avio_wb32(pb, 0x0); /* reserved */
1549 avio_wb32(pb, 0x0); /* reserved */
1550 avio_wb32(pb, 0x0); /* reserved */
1551 avio_wb32(pb, 0x00010000); /* reserved */
1552 avio_wb32(pb, 0x0); /* reserved */
1553 avio_wb32(pb, 0x0); /* reserved */
1554 avio_wb32(pb, 0x0); /* reserved */
1555 avio_wb32(pb, 0x40000000); /* reserved */
1557 /* Track width and height, for visual only */
1558 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1559 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1560 if(track->mode == MODE_MOV) {
1561 avio_wb32(pb, track->enc->width << 16);
1562 avio_wb32(pb, track->height << 16);
1564 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1565 if(!sample_aspect_ratio || track->height != track->enc->height)
1566 sample_aspect_ratio = 1;
1567 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1568 avio_wb32(pb, track->height*0x10000);
1578 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1580 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1581 track->enc->sample_aspect_ratio.den);
1583 int64_t pos = avio_tell(pb);
1585 avio_wb32(pb, 0); /* size */
1586 ffio_wfourcc(pb, "tapt");
1589 ffio_wfourcc(pb, "clef");
1591 avio_wb32(pb, width << 16);
1592 avio_wb32(pb, track->enc->height << 16);
1595 ffio_wfourcc(pb, "enof");
1597 avio_wb32(pb, track->enc->width << 16);
1598 avio_wb32(pb, track->enc->height << 16);
1600 return update_size(pb, pos);
1603 // This box seems important for the psp playback ... without it the movie seems to hang
1604 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1606 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1607 track->timescale, AV_ROUND_UP);
1608 int version = duration < INT32_MAX ? 0 : 1;
1609 int entry_size, entry_count, size;
1610 int64_t delay, start_ct = track->cluster[0].cts;
1611 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1612 track->timescale, AV_ROUND_DOWN);
1613 version |= delay < INT32_MAX ? 0 : 1;
1615 entry_size = (version == 1) ? 20 : 12;
1616 entry_count = 1 + (delay > 0);
1617 size = 24 + entry_count * entry_size;
1619 /* write the atom data */
1620 avio_wb32(pb, size);
1621 ffio_wfourcc(pb, "edts");
1622 avio_wb32(pb, size - 8);
1623 ffio_wfourcc(pb, "elst");
1624 avio_w8(pb, version);
1625 avio_wb24(pb, 0); /* flags */
1627 avio_wb32(pb, entry_count);
1628 if (delay > 0) { /* add an empty edit to delay presentation */
1630 avio_wb64(pb, delay);
1633 avio_wb32(pb, delay);
1636 avio_wb32(pb, 0x00010000);
1641 avio_wb64(pb, duration);
1642 avio_wb64(pb, start_ct);
1644 avio_wb32(pb, duration);
1645 avio_wb32(pb, start_ct);
1647 avio_wb32(pb, 0x00010000);
1651 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1653 avio_wb32(pb, 20); // size
1654 ffio_wfourcc(pb, "tref");
1655 avio_wb32(pb, 12); // size (subatom)
1656 avio_wl32(pb, track->tref_tag);
1657 avio_wb32(pb, track->tref_id);
1661 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1662 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1664 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1665 ffio_wfourcc(pb, "uuid");
1666 ffio_wfourcc(pb, "USMT");
1667 avio_wb32(pb, 0x21d24fce);
1668 avio_wb32(pb, 0xbb88695c);
1669 avio_wb32(pb, 0xfac9c740);
1670 avio_wb32(pb, 0x1c); // another size here!
1671 ffio_wfourcc(pb, "MTDT");
1672 avio_wb32(pb, 0x00010012);
1673 avio_wb32(pb, 0x0a);
1674 avio_wb32(pb, 0x55c40000);
1680 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1682 char buf[1000] = "";
1685 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1686 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1689 avio_wb32(pb, len + 24);
1690 ffio_wfourcc(pb, "udta");
1691 avio_wb32(pb, len + 16);
1692 ffio_wfourcc(pb, "hnti");
1693 avio_wb32(pb, len + 8);
1694 ffio_wfourcc(pb, "sdp ");
1695 avio_write(pb, buf, len);
1699 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1700 MOVTrack *track, AVStream *st)
1702 int64_t pos = avio_tell(pb);
1703 avio_wb32(pb, 0); /* size */
1704 ffio_wfourcc(pb, "trak");
1705 mov_write_tkhd_tag(pb, track, st);
1706 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1707 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1708 if (track->tref_tag)
1709 mov_write_tref_tag(pb, track);
1710 mov_write_mdia_tag(pb, track);
1711 if (track->mode == MODE_PSP)
1712 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1713 if (track->tag == MKTAG('r','t','p',' '))
1714 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1715 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1716 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1717 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1718 mov_write_tapt_tag(pb, track);
1720 return update_size(pb, pos);
1723 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1725 int i, has_audio = 0, has_video = 0;
1726 int64_t pos = avio_tell(pb);
1727 int audio_profile = mov->iods_audio_profile;
1728 int video_profile = mov->iods_video_profile;
1729 for (i = 0; i < mov->nb_streams; i++) {
1730 if(mov->tracks[i].entry > 0) {
1731 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1732 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1735 if (audio_profile < 0)
1736 audio_profile = 0xFF - has_audio;
1737 if (video_profile < 0)
1738 video_profile = 0xFF - has_video;
1739 avio_wb32(pb, 0x0); /* size */
1740 ffio_wfourcc(pb, "iods");
1741 avio_wb32(pb, 0); /* version & flags */
1742 put_descr(pb, 0x10, 7);
1743 avio_wb16(pb, 0x004f);
1746 avio_w8(pb, audio_profile);
1747 avio_w8(pb, video_profile);
1749 return update_size(pb, pos);
1752 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1754 avio_wb32(pb, 0x20); /* size */
1755 ffio_wfourcc(pb, "trex");
1756 avio_wb32(pb, 0); /* version & flags */
1757 avio_wb32(pb, track->track_id); /* track ID */
1758 avio_wb32(pb, 1); /* default sample description index */
1759 avio_wb32(pb, 0); /* default sample duration */
1760 avio_wb32(pb, 0); /* default sample size */
1761 avio_wb32(pb, 0); /* default sample flags */
1765 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1767 int64_t pos = avio_tell(pb);
1769 avio_wb32(pb, 0x0); /* size */
1770 ffio_wfourcc(pb, "mvex");
1771 for (i = 0; i < mov->nb_streams; i++)
1772 mov_write_trex_tag(pb, &mov->tracks[i]);
1773 return update_size(pb, pos);
1776 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1778 int max_track_id = 1, i;
1779 int64_t max_track_len_temp, max_track_len = 0;
1782 for (i=0; i<mov->nb_streams; i++) {
1783 if(mov->tracks[i].entry > 0) {
1784 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1786 mov->tracks[i].timescale,
1788 if (max_track_len < max_track_len_temp)
1789 max_track_len = max_track_len_temp;
1790 if (max_track_id < mov->tracks[i].track_id)
1791 max_track_id = mov->tracks[i].track_id;
1795 version = max_track_len < UINT32_MAX ? 0 : 1;
1796 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1797 ffio_wfourcc(pb, "mvhd");
1798 avio_w8(pb, version);
1799 avio_wb24(pb, 0); /* flags */
1801 avio_wb64(pb, mov->time);
1802 avio_wb64(pb, mov->time);
1804 avio_wb32(pb, mov->time); /* creation time */
1805 avio_wb32(pb, mov->time); /* modification time */
1807 avio_wb32(pb, MOV_TIMESCALE);
1808 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1810 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1811 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1812 avio_wb16(pb, 0); /* reserved */
1813 avio_wb32(pb, 0); /* reserved */
1814 avio_wb32(pb, 0); /* reserved */
1816 /* Matrix structure */
1817 avio_wb32(pb, 0x00010000); /* reserved */
1818 avio_wb32(pb, 0x0); /* reserved */
1819 avio_wb32(pb, 0x0); /* reserved */
1820 avio_wb32(pb, 0x0); /* reserved */
1821 avio_wb32(pb, 0x00010000); /* reserved */
1822 avio_wb32(pb, 0x0); /* reserved */
1823 avio_wb32(pb, 0x0); /* reserved */
1824 avio_wb32(pb, 0x0); /* reserved */
1825 avio_wb32(pb, 0x40000000); /* reserved */
1827 avio_wb32(pb, 0); /* reserved (preview time) */
1828 avio_wb32(pb, 0); /* reserved (preview duration) */
1829 avio_wb32(pb, 0); /* reserved (poster time) */
1830 avio_wb32(pb, 0); /* reserved (selection time) */
1831 avio_wb32(pb, 0); /* reserved (selection duration) */
1832 avio_wb32(pb, 0); /* reserved (current time) */
1833 avio_wb32(pb, max_track_id + 1); /* Next track id */
1837 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1840 avio_wb32(pb, 33); /* size */
1841 ffio_wfourcc(pb, "hdlr");
1844 ffio_wfourcc(pb, "mdir");
1845 ffio_wfourcc(pb, "appl");
1852 /* helper function to write a data tag with the specified string as data */
1853 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1856 int size = 16 + strlen(data);
1857 avio_wb32(pb, size); /* size */
1858 ffio_wfourcc(pb, "data");
1861 avio_write(pb, data, strlen(data));
1865 lang = ff_mov_iso639_to_lang("und", 1);
1866 avio_wb16(pb, strlen(data)); /* string length */
1867 avio_wb16(pb, lang);
1868 avio_write(pb, data, strlen(data));
1869 return strlen(data) + 4;
1873 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1875 if (value && value[0]) {
1876 int64_t pos = avio_tell(pb);
1877 avio_wb32(pb, 0); /* size */
1878 ffio_wfourcc(pb, name);
1879 mov_write_string_data_tag(pb, value, lang, long_style);
1880 size = update_size(pb, pos);
1885 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1886 const char *name, const char *tag,
1889 int l, lang = 0, len, len2;
1890 AVDictionaryEntry *t, *t2 = NULL;
1893 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1896 len = strlen(t->key);
1897 snprintf(tag2, sizeof(tag2), "%s-", tag);
1898 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1899 len2 = strlen(t2->key);
1900 if (len2 == len+4 && !strcmp(t->value, t2->value)
1901 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1906 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1909 /* iTunes track number */
1910 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1913 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1914 int size = 0, track = t ? atoi(t->value) : 0;
1916 avio_wb32(pb, 32); /* size */
1917 ffio_wfourcc(pb, "trkn");
1918 avio_wb32(pb, 24); /* size */
1919 ffio_wfourcc(pb, "data");
1920 avio_wb32(pb, 0); // 8 bytes empty
1922 avio_wb16(pb, 0); // empty
1923 avio_wb16(pb, track); // track number
1924 avio_wb16(pb, 0); // total track number
1925 avio_wb16(pb, 0); // empty
1931 /* iTunes meta data list */
1932 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1935 int64_t pos = avio_tell(pb);
1936 avio_wb32(pb, 0); /* size */
1937 ffio_wfourcc(pb, "ilst");
1938 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1939 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1940 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1941 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1942 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1943 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1944 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1945 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1946 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1947 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1948 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1949 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1950 mov_write_string_metadata(s, pb, "desc", "description",1);
1951 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1952 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1953 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1954 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1955 mov_write_trkn_tag(pb, mov, s);
1956 return update_size(pb, pos);
1959 /* iTunes meta data tag */
1960 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1964 int64_t pos = avio_tell(pb);
1965 avio_wb32(pb, 0); /* size */
1966 ffio_wfourcc(pb, "meta");
1968 mov_write_itunes_hdlr_tag(pb, mov, s);
1969 mov_write_ilst_tag(pb, mov, s);
1970 size = update_size(pb, pos);
1974 static int utf8len(const uint8_t *b)
1979 GET_UTF8(val, *b++, return -1;)
1985 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1989 GET_UTF8(val, *b++, return -1;)
1992 avio_wb16(pb, 0x00);
1996 static uint16_t language_code(const char *str)
1998 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
2001 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2002 const char *tag, const char *str)
2004 int64_t pos = avio_tell(pb);
2005 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2006 if (!t || !utf8len(t->value))
2008 avio_wb32(pb, 0); /* size */
2009 ffio_wfourcc(pb, tag); /* type */
2010 avio_wb32(pb, 0); /* version + flags */
2011 if (!strcmp(tag, "yrrc"))
2012 avio_wb16(pb, atoi(t->value));
2014 avio_wb16(pb, language_code("eng")); /* language */
2015 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
2016 if (!strcmp(tag, "albm") &&
2017 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2018 avio_w8(pb, atoi(t->value));
2020 return update_size(pb, pos);
2023 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2025 int64_t pos = avio_tell(pb);
2026 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2028 avio_wb32(pb, 0); // size
2029 ffio_wfourcc(pb, "chpl");
2030 avio_wb32(pb, 0x01000000); // version + flags
2031 avio_wb32(pb, 0); // unknown
2032 avio_w8(pb, nb_chapters);
2034 for (i = 0; i < nb_chapters; i++) {
2035 AVChapter *c = s->chapters[i];
2036 AVDictionaryEntry *t;
2037 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2039 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2040 int len = FFMIN(strlen(t->value), 255);
2042 avio_write(pb, t->value, len);
2046 return update_size(pb, pos);
2049 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2052 AVIOContext *pb_buf;
2056 for (i = 0; i < s->nb_streams; i++)
2057 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2061 ret = avio_open_dyn_buf(&pb_buf);
2065 if (mov->mode & MODE_3GP) {
2066 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2067 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2068 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2069 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2070 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2071 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2072 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2073 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2074 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2075 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
2076 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
2077 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
2078 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2079 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2080 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2081 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2082 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2083 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2085 /* iTunes meta data */
2086 mov_write_meta_tag(pb_buf, mov, s);
2090 mov_write_chpl_tag(pb_buf, s);
2092 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2093 avio_wb32(pb, size+8);
2094 ffio_wfourcc(pb, "udta");
2095 avio_write(pb, buf, size);
2102 static void mov_write_psp_udta_tag(AVIOContext *pb,
2103 const char *str, const char *lang, int type)
2105 int len = utf8len(str)+1;
2108 avio_wb16(pb, len*2+10); /* size */
2109 avio_wb32(pb, type); /* type */
2110 avio_wb16(pb, language_code(lang)); /* language */
2111 avio_wb16(pb, 0x01); /* ? */
2112 ascii_to_wc(pb, str);
2115 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2117 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2121 pos = avio_tell(pb);
2122 avio_wb32(pb, 0); /* size placeholder*/
2123 ffio_wfourcc(pb, "uuid");
2124 ffio_wfourcc(pb, "USMT");
2125 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2126 avio_wb32(pb, 0xbb88695c);
2127 avio_wb32(pb, 0xfac9c740);
2129 pos2 = avio_tell(pb);
2130 avio_wb32(pb, 0); /* size placeholder*/
2131 ffio_wfourcc(pb, "MTDT");
2135 avio_wb16(pb, 0x0C); /* size */
2136 avio_wb32(pb, 0x0B); /* type */
2137 avio_wb16(pb, language_code("und")); /* language */
2138 avio_wb16(pb, 0x0); /* ? */
2139 avio_wb16(pb, 0x021C); /* data */
2141 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2142 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2143 // 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);
2144 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2146 update_size(pb, pos2);
2147 return update_size(pb, pos);
2153 static void build_chunks(MOVTrack *trk)
2156 MOVIentry *chunk= &trk->cluster[0];
2157 uint64_t chunkSize = chunk->size;
2159 if (trk->chunkCount)
2162 for(i=1; i<trk->entry; i++){
2163 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2164 chunkSize + trk->cluster[i].size < (1<<20)){
2165 chunkSize += trk->cluster[i].size;
2166 chunk->samples_in_chunk += trk->cluster[i].entries;
2168 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2169 chunk=&trk->cluster[i];
2170 chunkSize = chunk->size;
2176 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2180 int64_t pos = avio_tell(pb);
2181 avio_wb32(pb, 0); /* size placeholder*/
2182 ffio_wfourcc(pb, "moov");
2184 for (i=0; i<mov->nb_streams; i++) {
2185 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2188 mov->tracks[i].time = mov->time;
2189 mov->tracks[i].track_id = i+1;
2191 if (mov->tracks[i].entry)
2192 build_chunks(&mov->tracks[i]);
2195 if (mov->chapter_track)
2196 for (i=0; i<s->nb_streams; i++) {
2197 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2198 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2200 for (i = 0; i < mov->nb_streams; i++) {
2201 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2202 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2203 mov->tracks[i].tref_id =
2204 mov->tracks[mov->tracks[i].src_track].track_id;
2207 for (i = 0; i < mov->nb_streams; i++) {
2208 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2209 int src_trk = mov->tracks[i].src_track;
2210 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2211 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2212 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2216 mov_write_mvhd_tag(pb, mov);
2217 if (mov->mode != MODE_MOV && !mov->iods_skip)
2218 mov_write_iods_tag(pb, mov);
2219 for (i=0; i<mov->nb_streams; i++) {
2220 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2221 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2224 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2225 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2227 if (mov->mode == MODE_PSP)
2228 mov_write_uuidusmt_tag(pb, s);
2230 mov_write_udta_tag(pb, mov, s);
2232 return update_size(pb, pos);
2235 static void param_write_int(AVIOContext *pb, const char *name, int value)
2237 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2240 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2242 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2245 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2248 len = FFMIN(sizeof(buf)/2 - 1, len);
2249 ff_data_to_hex(buf, value, len, 0);
2251 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2254 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2256 int64_t pos = avio_tell(pb);
2258 const uint8_t uuid[] = {
2259 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2260 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2264 ffio_wfourcc(pb, "uuid");
2265 avio_write(pb, uuid, sizeof(uuid));
2268 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2269 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2270 avio_printf(pb, "<head>\n");
2271 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2273 avio_printf(pb, "</head>\n");
2274 avio_printf(pb, "<body>\n");
2275 avio_printf(pb, "<switch>\n");
2276 for (i = 0; i < mov->nb_streams; i++) {
2277 MOVTrack *track = &mov->tracks[i];
2279 /* track->track_id is initialized in write_moov, and thus isn't known
2281 int track_id = i + 1;
2283 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2285 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2290 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2291 track->enc->bit_rate);
2292 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2293 param_write_int(pb, "trackID", track_id);
2294 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2295 if (track->enc->codec_id == CODEC_ID_H264) {
2297 int size = track->enc->extradata_size;
2298 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2300 param_write_hex(pb, "CodecPrivateData",
2301 ptr ? ptr : track->enc->extradata,
2305 param_write_string(pb, "FourCC", "H264");
2306 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2307 param_write_string(pb, "FourCC", "WVC1");
2308 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2309 track->enc->extradata_size);
2311 param_write_int(pb, "MaxWidth", track->enc->width);
2312 param_write_int(pb, "MaxHeight", track->enc->height);
2313 param_write_int(pb, "DisplayWidth", track->enc->width);
2314 param_write_int(pb, "DisplayHeight", track->enc->height);
2316 if (track->enc->codec_id == CODEC_ID_AAC) {
2317 param_write_string(pb, "FourCC", "AACL");
2318 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2319 param_write_string(pb, "FourCC", "WMAP");
2321 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2322 track->enc->extradata_size);
2323 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2324 track->enc->codec_id));
2325 param_write_int(pb, "Channels", track->enc->channels);
2326 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2327 param_write_int(pb, "BitsPerSample", 16);
2328 param_write_int(pb, "PacketSize", track->enc->block_align ?
2329 track->enc->block_align : 4);
2331 avio_printf(pb, "</%s>\n", type);
2333 avio_printf(pb, "</switch>\n");
2334 avio_printf(pb, "</body>\n");
2335 avio_printf(pb, "</smil>\n");
2337 return update_size(pb, pos);
2340 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2343 ffio_wfourcc(pb, "mfhd");
2345 avio_wb32(pb, mov->fragments);
2349 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2350 int64_t moof_offset)
2352 int64_t pos = avio_tell(pb);
2353 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2354 MOV_TFHD_BASE_DATA_OFFSET;
2355 if (!track->entry) {
2356 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2358 flags |= MOV_TFHD_DEFAULT_FLAGS;
2361 /* Don't set a default sample size, the silverlight player refuses
2362 * to play files with that set. Don't set a default sample duration,
2363 * WMP freaks out if it is set. */
2364 if (track->mode == MODE_ISM)
2365 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2367 avio_wb32(pb, 0); /* size placeholder */
2368 ffio_wfourcc(pb, "tfhd");
2369 avio_w8(pb, 0); /* version */
2370 avio_wb24(pb, flags);
2372 avio_wb32(pb, track->track_id); /* track-id */
2373 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2374 avio_wb64(pb, moof_offset);
2375 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2376 track->default_duration = get_cluster_duration(track, 0);
2377 avio_wb32(pb, track->default_duration);
2379 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2380 track->default_size = track->entry ? track->cluster[0].size : 1;
2381 avio_wb32(pb, track->default_size);
2383 track->default_size = -1;
2385 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2386 track->default_sample_flags =
2387 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2388 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2389 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2390 avio_wb32(pb, track->default_sample_flags);
2393 return update_size(pb, pos);
2396 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2398 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2399 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2402 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2404 int64_t pos = avio_tell(pb);
2405 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2408 for (i = 0; i < track->entry; i++) {
2409 if (get_cluster_duration(track, i) != track->default_duration)
2410 flags |= MOV_TRUN_SAMPLE_DURATION;
2411 if (track->cluster[i].size != track->default_size)
2412 flags |= MOV_TRUN_SAMPLE_SIZE;
2413 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2414 flags |= MOV_TRUN_SAMPLE_FLAGS;
2416 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2417 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2418 if (track->flags & MOV_TRACK_CTTS)
2419 flags |= MOV_TRUN_SAMPLE_CTS;
2421 avio_wb32(pb, 0); /* size placeholder */
2422 ffio_wfourcc(pb, "trun");
2423 avio_w8(pb, 0); /* version */
2424 avio_wb24(pb, flags);
2426 avio_wb32(pb, track->entry); /* sample count */
2427 track->moof_size_offset = avio_tell(pb);
2428 avio_wb32(pb, 0); /* data offset */
2429 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2430 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2432 for (i = 0; i < track->entry; i++) {
2433 if (flags & MOV_TRUN_SAMPLE_DURATION)
2434 avio_wb32(pb, get_cluster_duration(track, i));
2435 if (flags & MOV_TRUN_SAMPLE_SIZE)
2436 avio_wb32(pb, track->cluster[i].size);
2437 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2438 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2439 if (flags & MOV_TRUN_SAMPLE_CTS)
2440 avio_wb32(pb, track->cluster[i].cts);
2443 return update_size(pb, pos);
2446 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2448 int64_t pos = avio_tell(pb);
2449 const uint8_t uuid[] = {
2450 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2451 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2454 avio_wb32(pb, 0); /* size placeholder */
2455 ffio_wfourcc(pb, "uuid");
2456 avio_write(pb, uuid, sizeof(uuid));
2459 avio_wb64(pb, track->frag_start);
2460 avio_wb64(pb, track->start_dts + track->track_duration -
2461 track->cluster[0].dts);
2463 return update_size(pb, pos);
2466 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2467 MOVTrack *track, int entry)
2469 int n = track->nb_frag_info - 1 - entry, i;
2470 int size = 8 + 16 + 4 + 1 + 16*n;
2471 const uint8_t uuid[] = {
2472 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2473 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2479 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2480 avio_wb32(pb, size);
2481 ffio_wfourcc(pb, "uuid");
2482 avio_write(pb, uuid, sizeof(uuid));
2486 for (i = 0; i < n; i++) {
2487 int index = entry + 1 + i;
2488 avio_wb64(pb, track->frag_info[index].time);
2489 avio_wb64(pb, track->frag_info[index].duration);
2491 if (n < mov->ism_lookahead) {
2492 int free_size = 16*(mov->ism_lookahead - n);
2493 avio_wb32(pb, free_size);
2494 ffio_wfourcc(pb, "free");
2495 for (i = 0; i < free_size - 8; i++)
2502 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2505 int64_t pos = avio_tell(pb);
2507 for (i = 0; i < mov->ism_lookahead; i++) {
2508 /* Update the tfrf tag for the last ism_lookahead fragments,
2509 * nb_frag_info - 1 is the next fragment to be written. */
2510 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2512 avio_seek(pb, pos, SEEK_SET);
2516 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2517 MOVTrack *track, int64_t moof_offset)
2519 int64_t pos = avio_tell(pb);
2520 avio_wb32(pb, 0); /* size placeholder */
2521 ffio_wfourcc(pb, "traf");
2523 mov_write_tfhd_tag(pb, track, moof_offset);
2524 mov_write_trun_tag(pb, track);
2525 if (mov->mode == MODE_ISM) {
2526 mov_write_tfxd_tag(pb, track);
2528 if (mov->ism_lookahead) {
2529 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2531 track->tfrf_offset = avio_tell(pb);
2532 avio_wb32(pb, 8 + size);
2533 ffio_wfourcc(pb, "free");
2534 for (i = 0; i < size; i++)
2539 return update_size(pb, pos);
2542 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2544 int64_t pos = avio_tell(pb), end;
2547 avio_wb32(pb, 0); /* size placeholder */
2548 ffio_wfourcc(pb, "moof");
2550 mov_write_mfhd_tag(pb, mov);
2551 for (i = 0; i < mov->nb_streams; i++) {
2552 MOVTrack *track = &mov->tracks[i];
2553 if (tracks >= 0 && i != tracks)
2557 mov_write_traf_tag(pb, mov, track, pos);
2560 end = avio_tell(pb);
2561 moof_size = end - pos;
2562 for (i = 0; i < mov->nb_streams; i++) {
2563 MOVTrack *track = &mov->tracks[i];
2564 if (tracks >= 0 && i != tracks)
2568 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2569 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2571 avio_seek(pb, end, SEEK_SET);
2573 return update_size(pb, pos);
2576 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2578 int64_t pos = avio_tell(pb);
2581 avio_wb32(pb, 0); /* size placeholder */
2582 ffio_wfourcc(pb, "tfra");
2583 avio_w8(pb, 1); /* version */
2586 avio_wb32(pb, track->track_id);
2587 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2588 avio_wb32(pb, track->nb_frag_info);
2589 for (i = 0; i < track->nb_frag_info; i++) {
2590 avio_wb64(pb, track->frag_info[i].time);
2591 avio_wb64(pb, track->frag_info[i].offset);
2592 avio_w8(pb, 1); /* traf number */
2593 avio_w8(pb, 1); /* trun number */
2594 avio_w8(pb, 1); /* sample number */
2597 return update_size(pb, pos);
2600 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2602 int64_t pos = avio_tell(pb);
2605 avio_wb32(pb, 0); /* size placeholder */
2606 ffio_wfourcc(pb, "mfra");
2607 /* An empty mfra atom is enough to indicate to the publishing point that
2608 * the stream has ended. */
2609 if (mov->flags & FF_MOV_FLAG_ISML)
2610 return update_size(pb, pos);
2612 for (i = 0; i < mov->nb_streams; i++) {
2613 MOVTrack *track = &mov->tracks[i];
2614 if (track->nb_frag_info)
2615 mov_write_tfra_tag(pb, track);
2619 ffio_wfourcc(pb, "mfro");
2620 avio_wb32(pb, 0); /* version + flags */
2621 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2623 return update_size(pb, pos);
2626 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2628 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2629 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2631 mov->mdat_pos = avio_tell(pb);
2632 avio_wb32(pb, 0); /* size placeholder*/
2633 ffio_wfourcc(pb, "mdat");
2637 /* TODO: This needs to be more general */
2638 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2640 MOVMuxContext *mov = s->priv_data;
2641 int64_t pos = avio_tell(pb);
2642 int has_h264 = 0, has_video = 0;
2646 for (i = 0; i < s->nb_streams; i++) {
2647 AVStream *st = s->streams[i];
2648 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2650 if (st->codec->codec_id == CODEC_ID_H264)
2654 avio_wb32(pb, 0); /* size */
2655 ffio_wfourcc(pb, "ftyp");
2657 if (mov->mode == MODE_3GP) {
2658 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2659 minor = has_h264 ? 0x100 : 0x200;
2660 } else if (mov->mode & MODE_3G2) {
2661 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2662 minor = has_h264 ? 0x20000 : 0x10000;
2663 }else if (mov->mode == MODE_PSP)
2664 ffio_wfourcc(pb, "MSNV");
2665 else if (mov->mode == MODE_MP4)
2666 ffio_wfourcc(pb, "isom");
2667 else if (mov->mode == MODE_IPOD)
2668 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2669 else if (mov->mode == MODE_ISM)
2670 ffio_wfourcc(pb, "isml");
2672 ffio_wfourcc(pb, "qt ");
2674 avio_wb32(pb, minor);
2676 if(mov->mode == MODE_MOV)
2677 ffio_wfourcc(pb, "qt ");
2678 else if (mov->mode == MODE_ISM) {
2679 ffio_wfourcc(pb, "piff");
2680 ffio_wfourcc(pb, "iso2");
2682 ffio_wfourcc(pb, "isom");
2683 ffio_wfourcc(pb, "iso2");
2685 ffio_wfourcc(pb, "avc1");
2688 if (mov->mode == MODE_3GP)
2689 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2690 else if (mov->mode & MODE_3G2)
2691 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2692 else if (mov->mode == MODE_PSP)
2693 ffio_wfourcc(pb, "MSNV");
2694 else if (mov->mode == MODE_MP4)
2695 ffio_wfourcc(pb, "mp41");
2696 return update_size(pb, pos);
2699 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2701 AVCodecContext *video_codec = s->streams[0]->codec;
2702 AVCodecContext *audio_codec = s->streams[1]->codec;
2703 int audio_rate = audio_codec->sample_rate;
2704 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2705 int audio_kbitrate = audio_codec->bit_rate / 1000;
2706 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2708 avio_wb32(pb, 0x94); /* size */
2709 ffio_wfourcc(pb, "uuid");
2710 ffio_wfourcc(pb, "PROF");
2712 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2713 avio_wb32(pb, 0xbb88695c);
2714 avio_wb32(pb, 0xfac9c740);
2716 avio_wb32(pb, 0x0); /* ? */
2717 avio_wb32(pb, 0x3); /* 3 sections ? */
2719 avio_wb32(pb, 0x14); /* size */
2720 ffio_wfourcc(pb, "FPRF");
2721 avio_wb32(pb, 0x0); /* ? */
2722 avio_wb32(pb, 0x0); /* ? */
2723 avio_wb32(pb, 0x0); /* ? */
2725 avio_wb32(pb, 0x2c); /* size */
2726 ffio_wfourcc(pb, "APRF");/* audio */
2728 avio_wb32(pb, 0x2); /* TrackID */
2729 ffio_wfourcc(pb, "mp4a");
2730 avio_wb32(pb, 0x20f);
2732 avio_wb32(pb, audio_kbitrate);
2733 avio_wb32(pb, audio_kbitrate);
2734 avio_wb32(pb, audio_rate);
2735 avio_wb32(pb, audio_codec->channels);
2737 avio_wb32(pb, 0x34); /* size */
2738 ffio_wfourcc(pb, "VPRF"); /* video */
2740 avio_wb32(pb, 0x1); /* TrackID */
2741 if (video_codec->codec_id == CODEC_ID_H264) {
2742 ffio_wfourcc(pb, "avc1");
2743 avio_wb16(pb, 0x014D);
2744 avio_wb16(pb, 0x0015);
2746 ffio_wfourcc(pb, "mp4v");
2747 avio_wb16(pb, 0x0000);
2748 avio_wb16(pb, 0x0103);
2751 avio_wb32(pb, video_kbitrate);
2752 avio_wb32(pb, video_kbitrate);
2753 avio_wb32(pb, frame_rate);
2754 avio_wb32(pb, frame_rate);
2755 avio_wb16(pb, video_codec->width);
2756 avio_wb16(pb, video_codec->height);
2757 avio_wb32(pb, 0x010001); /* ? */
2760 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2763 int i, closed_gop = 0;
2765 for (i = 0; i < pkt->size - 4; i++) {
2766 c = (c<<8) + pkt->data[i];
2767 if (c == 0x1b8) { // gop
2768 closed_gop = pkt->data[i+4]>>6 & 0x01;
2769 } else if (c == 0x100) { // pic
2770 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2771 if (!temp_ref || closed_gop) // I picture is not reordered
2772 *flags = MOV_SYNC_SAMPLE;
2774 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2781 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2783 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2784 int seq = 0, entry = 0;
2785 int key = pkt->flags & AV_PKT_FLAG_KEY;
2786 start = find_next_marker(pkt->data, end);
2787 for (next = start; next < end; start = next) {
2788 next = find_next_marker(start + 4, end);
2789 switch (AV_RB32(start)) {
2790 case VC1_CODE_SEQHDR:
2793 case VC1_CODE_ENTRYPOINT:
2796 case VC1_CODE_SLICE:
2797 trk->vc1_info.slices = 1;
2801 if (!trk->entry && !fragment) {
2802 /* First packet in first fragment */
2803 trk->vc1_info.first_packet_seq = seq;
2804 trk->vc1_info.first_packet_entry = entry;
2805 } else if ((seq && !trk->vc1_info.packet_seq) ||
2806 (entry && !trk->vc1_info.packet_entry)) {
2808 for (i = 0; i < trk->entry; i++)
2809 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2810 trk->has_keyframes = 0;
2812 trk->vc1_info.packet_seq = 1;
2814 trk->vc1_info.packet_entry = 1;
2816 /* First fragment */
2817 if ((!seq || trk->vc1_info.first_packet_seq) &&
2818 (!entry || trk->vc1_info.first_packet_entry)) {
2819 /* First packet had the same headers as this one, readd the
2820 * sync sample flag. */
2821 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2822 trk->has_keyframes = 1;
2826 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2828 else if (trk->vc1_info.packet_seq)
2830 else if (trk->vc1_info.packet_entry)
2833 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2834 trk->has_keyframes++;
2838 static int mov_flush_fragment(AVFormatContext *s)
2840 MOVMuxContext *mov = s->priv_data;
2841 int i, first_track = -1;
2842 int64_t mdat_size = 0;
2844 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2847 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2848 int64_t pos = avio_tell(s->pb);
2850 AVIOContext *moov_buf;
2854 for (i = 0; i < mov->nb_streams; i++)
2855 if (!mov->tracks[i].entry)
2857 /* Don't write the initial moov unless all tracks have data */
2858 if (i < mov->nb_streams)
2861 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2863 mov_write_moov_tag(moov_buf, mov, s);
2864 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2866 for (i = 0; i < mov->nb_streams; i++)
2867 mov->tracks[i].data_offset = pos + buf_size + 8;
2869 mov_write_moov_tag(s->pb, mov, s);
2871 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2872 mov->mdat_buf = NULL;
2873 avio_wb32(s->pb, buf_size + 8);
2874 ffio_wfourcc(s->pb, "mdat");
2875 avio_write(s->pb, buf, buf_size);
2880 for (i = 0; i < mov->nb_streams; i++) {
2881 if (mov->tracks[i].entry)
2882 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2883 mov->tracks[i].track_duration -
2884 mov->tracks[i].cluster[0].dts;
2885 mov->tracks[i].entry = 0;
2891 for (i = 0; i < mov->nb_streams; i++) {
2892 MOVTrack *track = &mov->tracks[i];
2893 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2894 track->data_offset = 0;
2896 track->data_offset = mdat_size;
2897 if (!track->mdat_buf)
2899 mdat_size += avio_tell(track->mdat_buf);
2900 if (first_track < 0)
2907 for (i = 0; i < mov->nb_streams; i++) {
2908 MOVTrack *track = &mov->tracks[i];
2909 int buf_size, write_moof = 1, moof_tracks = -1;
2911 int64_t duration = 0;
2914 duration = track->start_dts + track->track_duration -
2915 track->cluster[0].dts;
2916 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2917 if (!track->mdat_buf)
2919 mdat_size = avio_tell(track->mdat_buf);
2922 write_moof = i == first_track;
2926 MOVFragmentInfo *info;
2928 track->nb_frag_info++;
2929 track->frag_info = av_realloc(track->frag_info,
2930 sizeof(*track->frag_info) *
2931 track->nb_frag_info);
2932 info = &track->frag_info[track->nb_frag_info - 1];
2933 info->offset = avio_tell(s->pb);
2934 info->time = mov->tracks[i].frag_start;
2935 info->duration = duration;
2936 mov_write_tfrf_tags(s->pb, mov, track);
2938 mov_write_moof_tag(s->pb, mov, moof_tracks);
2939 info->tfrf_offset = track->tfrf_offset;
2942 avio_wb32(s->pb, mdat_size + 8);
2943 ffio_wfourcc(s->pb, "mdat");
2947 track->frag_start += duration;
2949 if (!track->mdat_buf)
2951 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2952 track->mdat_buf = NULL;
2954 avio_write(s->pb, buf, buf_size);
2964 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2966 MOVMuxContext *mov = s->priv_data;
2967 AVIOContext *pb = s->pb;
2968 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2969 AVCodecContext *enc = trk->enc;
2970 unsigned int samples_in_chunk = 0;
2971 int size= pkt->size;
2972 uint8_t *reformatted_data = NULL;
2974 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2976 if (mov->fragments > 0) {
2977 if (!trk->mdat_buf) {
2978 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2983 if (!mov->mdat_buf) {
2984 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2991 if (enc->codec_id == CODEC_ID_AMR_NB) {
2992 /* We must find out how many AMR blocks there are in one packet */
2993 static uint16_t packed_size[16] =
2994 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2997 while (len < size && samples_in_chunk < 100) {
2998 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3001 if (samples_in_chunk > 1) {
3002 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3005 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
3006 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
3007 samples_in_chunk = enc->frame_size;
3008 } else if (trk->sample_size)
3009 samples_in_chunk = size / trk->sample_size;
3011 samples_in_chunk = 1;
3013 /* copy extradata if it exists */
3014 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3015 trk->vos_len = enc->extradata_size;
3016 trk->vos_data = av_malloc(trk->vos_len);
3017 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3020 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3021 /* from x264 or from bytestream h264 */
3022 /* nal reformating needed */
3023 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3024 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3026 avio_write(pb, reformatted_data, size);
3028 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3030 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
3031 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3032 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
3035 avio_write(pb, pkt->data, size);
3038 if ((enc->codec_id == CODEC_ID_DNXHD ||
3039 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
3040 /* copy frame to create needed atoms */
3041 trk->vos_len = size;
3042 trk->vos_data = av_malloc(size);
3044 return AVERROR(ENOMEM);
3045 memcpy(trk->vos_data, pkt->data, size);
3048 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
3049 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
3054 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3055 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3056 trk->cluster[trk->entry].chunkNum = 0;
3057 trk->cluster[trk->entry].size = size;
3058 trk->cluster[trk->entry].entries = samples_in_chunk;
3059 trk->cluster[trk->entry].dts = pkt->dts;
3060 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3061 /* First packet of a new fragment. We already wrote the duration
3062 * of the last packet of the previous fragment based on track_duration,
3063 * which might not exactly match our dts. Therefore adjust the dts
3064 * of this packet to be what the previous packets duration implies. */
3065 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3067 if (trk->start_dts == AV_NOPTS_VALUE)
3068 trk->start_dts = pkt->dts;
3069 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3071 if (pkt->pts == AV_NOPTS_VALUE) {
3072 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3073 pkt->pts = pkt->dts;
3075 if (pkt->dts != pkt->pts)
3076 trk->flags |= MOV_TRACK_CTTS;
3077 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3078 trk->cluster[trk->entry].flags = 0;
3079 if (enc->codec_id == CODEC_ID_VC1) {
3080 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3081 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3082 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
3083 trk->entry > 0) { // force sync sample for the first key frame
3084 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3085 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3086 trk->flags |= MOV_TRACK_STPS;
3088 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3090 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3091 trk->has_keyframes++;
3094 trk->sample_count += samples_in_chunk;
3095 mov->mdat_size += size;
3099 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3100 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3101 reformatted_data, size);
3102 av_free(reformatted_data);
3106 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3109 mov_flush_fragment(s);
3112 MOVMuxContext *mov = s->priv_data;
3113 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3114 AVCodecContext *enc = trk->enc;
3115 int64_t frag_duration = 0;
3116 int size = pkt->size;
3118 if (!pkt->size) return 0; /* Discard 0 sized packets */
3120 if (trk->entry && pkt->stream_index < s->nb_streams)
3121 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3122 s->streams[pkt->stream_index]->time_base,
3124 if ((mov->max_fragment_duration &&
3125 frag_duration >= mov->max_fragment_duration) ||
3126 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3127 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3128 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3129 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3130 if (frag_duration >= mov->min_fragment_duration)
3131 mov_flush_fragment(s);
3134 return ff_mov_write_packet(s, pkt);
3138 // QuickTime chapters involve an additional text track with the chapter names
3139 // as samples, and a tref pointing from the other tracks to the chapter one.
3140 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3144 MOVMuxContext *mov = s->priv_data;
3145 MOVTrack *track = &mov->tracks[tracknum];
3146 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3149 track->mode = mov->mode;
3150 track->tag = MKTAG('t','e','x','t');
3151 track->timescale = MOV_TIMESCALE;
3152 track->enc = avcodec_alloc_context3(NULL);
3153 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3155 if (avio_open_dyn_buf(&pb) >= 0) {
3159 /* Stub header (usually for Quicktime chapter track) */
3161 avio_wb32(pb, 0x01); // displayFlags
3162 avio_w8(pb, 0x00); // horizontal justification
3163 avio_w8(pb, 0x00); // vertical justification
3164 avio_w8(pb, 0x00); // bgColourRed
3165 avio_w8(pb, 0x00); // bgColourGreen
3166 avio_w8(pb, 0x00); // bgColourBlue
3167 avio_w8(pb, 0x00); // bgColourAlpha
3169 avio_wb16(pb, 0x00); // defTextBoxTop
3170 avio_wb16(pb, 0x00); // defTextBoxLeft
3171 avio_wb16(pb, 0x00); // defTextBoxBottom
3172 avio_wb16(pb, 0x00); // defTextBoxRight
3174 avio_wb16(pb, 0x00); // startChar
3175 avio_wb16(pb, 0x00); // endChar
3176 avio_wb16(pb, 0x01); // fontID
3177 avio_w8(pb, 0x00); // fontStyleFlags
3178 avio_w8(pb, 0x00); // fontSize
3179 avio_w8(pb, 0x00); // fgColourRed
3180 avio_w8(pb, 0x00); // fgColourGreen
3181 avio_w8(pb, 0x00); // fgColourBlue
3182 avio_w8(pb, 0x00); // fgColourAlpha
3184 avio_wb32(pb, 0x0D); // box size
3185 ffio_wfourcc(pb, "ftab"); // box atom name
3186 avio_wb16(pb, 0x01); // entry count
3188 avio_wb16(pb, 0x01); // font ID
3189 avio_w8(pb, 0x00); // font name length
3191 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3192 track->enc->extradata = buf;
3193 track->enc->extradata_size = size;
3199 for (i = 0; i < s->nb_chapters; i++) {
3200 AVChapter *c = s->chapters[i];
3201 AVDictionaryEntry *t;
3203 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3204 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3205 pkt.duration = end - pkt.dts;
3207 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3208 len = strlen(t->value);
3210 pkt.data = av_malloc(pkt.size);
3211 AV_WB16(pkt.data, len);
3212 memcpy(pkt.data+2, t->value, len);
3213 ff_mov_write_packet(s, &pkt);
3214 av_freep(&pkt.data);
3219 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3221 MOVMuxContext *mov = s->priv_data;
3222 MOVTrack *track = &mov->tracks[index];
3223 AVStream *src_st = s->streams[src_index];
3225 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3226 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3228 /* compute the frame number */
3229 int ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3233 /* tmcd track based on video stream */
3234 track->mode = mov->mode;
3235 track->tag = MKTAG('t','m','c','d');
3236 track->src_track = src_index;
3237 track->timescale = src_st->codec->time_base.den;
3238 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3239 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3241 /* encode context: tmcd data stream */
3242 track->enc = avcodec_alloc_context3(NULL);
3243 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3244 track->enc->codec_tag = track->tag;
3245 track->enc->time_base = src_st->codec->time_base;
3247 /* the tmcd track just contains one packet with the frame number */
3248 pkt.data = av_malloc(pkt.size);
3249 AV_WB32(pkt.data, tc.start);
3250 ret = ff_mov_write_packet(s, &pkt);
3255 static int mov_write_header(AVFormatContext *s)
3257 AVIOContext *pb = s->pb;
3258 MOVMuxContext *mov = s->priv_data;
3259 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3260 int i, hint_track = 0, tmcd_track = 0;
3262 /* Set the FRAGMENT flag if any of the fragmentation methods are
3264 if (mov->max_fragment_duration || mov->max_fragment_size ||
3265 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3266 FF_MOV_FLAG_FRAG_KEYFRAME |
3267 FF_MOV_FLAG_FRAG_CUSTOM))
3268 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3270 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3271 * is enabled, we don't support non-seekable output at all. */
3272 if (!s->pb->seekable &&
3273 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3274 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3275 || mov->ism_lookahead)) {
3276 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3280 /* Default mode == MP4 */
3281 mov->mode = MODE_MP4;
3283 if (s->oformat != NULL) {
3284 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3285 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3286 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3287 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3288 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3289 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3291 mov_write_ftyp_tag(pb,s);
3292 if (mov->mode == MODE_PSP) {
3293 if (s->nb_streams != 2) {
3294 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3297 mov_write_uuidprof_tag(pb,s);
3301 mov->nb_streams = s->nb_streams;
3302 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3303 mov->chapter_track = mov->nb_streams++;
3305 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3306 /* Add hint tracks for each audio and video stream */
3307 hint_track = mov->nb_streams;
3308 for (i = 0; i < s->nb_streams; i++) {
3309 AVStream *st = s->streams[i];
3310 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3311 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3317 if (mov->mode == MODE_MOV) {
3318 /* Add a tmcd track for each video stream with a timecode */
3319 tmcd_track = mov->nb_streams;
3320 for (i = 0; i < s->nb_streams; i++) {
3321 AVStream *st = s->streams[i];
3322 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3323 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3328 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3330 return AVERROR(ENOMEM);
3332 for(i=0; i<s->nb_streams; i++){
3333 AVStream *st= s->streams[i];
3334 MOVTrack *track= &mov->tracks[i];
3335 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3337 track->enc = st->codec;
3338 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3339 if (track->language < 0)
3340 track->language = 0;
3341 track->mode = mov->mode;
3342 track->tag = mov_find_codec_tag(s, track);
3344 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3345 "codec not currently supported in container\n", i);
3348 /* If hinting of this track is enabled by a later hint track,
3349 * this is updated. */
3350 track->hint_track = -1;
3351 track->start_dts = AV_NOPTS_VALUE;
3352 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3353 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3354 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3355 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3356 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3357 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3360 track->height = track->tag>>24 == 'n' ? 486 : 576;
3362 track->timescale = st->codec->time_base.den;
3363 if (track->mode == MODE_MOV && track->timescale > 100000)
3364 av_log(s, AV_LOG_WARNING,
3365 "WARNING codec timebase is very high. If duration is too long,\n"
3366 "file may not be playable by quicktime. Specify a shorter timebase\n"
3367 "or choose different container.\n");
3368 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3369 track->timescale = st->codec->sample_rate;
3370 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3371 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3372 track->audio_vbr = 1;
3373 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3374 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
3375 st->codec->codec_id == CODEC_ID_ILBC){
3376 if (!st->codec->block_align) {
3377 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3380 track->sample_size = st->codec->block_align;
3381 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3382 track->audio_vbr = 1;
3384 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3386 if (track->mode != MODE_MOV &&
3387 track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3388 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3389 i, track->enc->sample_rate);
3392 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3393 track->timescale = st->codec->time_base.den;
3395 track->timescale = MOV_TIMESCALE;
3398 track->height = st->codec->height;
3399 /* The ism specific timescale isn't mandatory, but is assumed by
3400 * some tools, such as mp4split. */
3401 if (mov->mode == MODE_ISM)
3402 track->timescale = 10000000;
3404 avpriv_set_pts_info(st, 64, 1, track->timescale);
3406 /* copy extradata if it exists */
3407 if (st->codec->extradata_size) {
3408 track->vos_len = st->codec->extradata_size;
3409 track->vos_data = av_malloc(track->vos_len);
3410 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3414 if (mov->mode == MODE_ISM) {
3415 /* If no fragmentation options have been set, set a default. */
3416 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3417 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3418 !mov->max_fragment_duration && !mov->max_fragment_size)
3419 mov->max_fragment_duration = 5000000;
3420 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3421 FF_MOV_FLAG_FRAGMENT;
3424 if(mov->reserved_moov_size){
3425 mov->reserved_moov_pos= avio_tell(pb);
3426 avio_skip(pb, mov->reserved_moov_size);
3429 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3430 mov_write_mdat_tag(pb, mov);
3432 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3433 mov->time = ff_iso8601_to_unix_time(t->value);
3435 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3437 if (mov->chapter_track)
3438 mov_create_chapter_track(s, mov->chapter_track);
3440 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3441 /* Initialize the hint tracks for each audio and video stream */
3442 for (i = 0; i < s->nb_streams; i++) {
3443 AVStream *st = s->streams[i];
3444 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3445 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3446 ff_mov_init_hinting(s, hint_track, i);
3452 if (mov->mode == MODE_MOV) {
3453 /* Initialize the tmcd tracks */
3454 for (i = 0; i < s->nb_streams; i++) {
3455 AVStream *st = s->streams[i];
3458 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3460 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3463 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3472 if (mov->flags & FF_MOV_FLAG_ISML)
3473 mov_write_isml_manifest(pb, mov);
3475 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3476 mov_write_moov_tag(pb, mov, s);
3482 av_freep(&mov->tracks);
3486 static int mov_write_trailer(AVFormatContext *s)
3488 MOVMuxContext *mov = s->priv_data;
3489 AVIOContext *pb = s->pb;
3493 int64_t moov_pos = avio_tell(pb);
3495 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3496 /* Write size of mdat tag */
3497 if (mov->mdat_size + 8 <= UINT32_MAX) {
3498 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3499 avio_wb32(pb, mov->mdat_size + 8);
3501 /* overwrite 'wide' placeholder atom */
3502 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3503 /* special value: real atom size will be 64 bit value after
3506 ffio_wfourcc(pb, "mdat");
3507 avio_wb64(pb, mov->mdat_size + 16);
3509 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3511 mov_write_moov_tag(pb, mov, s);
3512 if(mov->reserved_moov_size){
3513 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3515 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3518 avio_wb32(pb, size);
3519 ffio_wfourcc(pb, "free");
3520 for(i=0; i<size; i++)
3522 avio_seek(pb, moov_pos, SEEK_SET);
3525 mov_flush_fragment(s);
3526 mov_write_mfra_tag(pb, mov);
3529 if (mov->chapter_track)
3530 av_freep(&mov->tracks[mov->chapter_track].enc);
3532 for (i=0; i<mov->nb_streams; i++) {
3533 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3534 ff_mov_close_hinting(&mov->tracks[i]);
3535 else if (mov->tracks[i].tag == MKTAG('t','m','c','d'))
3536 av_freep(&mov->tracks[i].enc);
3537 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3538 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3539 int64_t off = avio_tell(pb);
3541 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3542 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3543 avio_write(pb, buf, 7);
3544 avio_seek(pb, off, SEEK_SET);
3547 av_freep(&mov->tracks[i].cluster);
3548 av_freep(&mov->tracks[i].frag_info);
3550 if (mov->tracks[i].vos_len)
3551 av_free(mov->tracks[i].vos_data);
3557 av_freep(&mov->tracks);
3562 #if CONFIG_MOV_MUXER
3564 AVOutputFormat ff_mov_muxer = {
3566 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3567 .extensions = "mov",
3568 .priv_data_size = sizeof(MOVMuxContext),
3569 .audio_codec = CODEC_ID_AAC,
3570 #if CONFIG_LIBX264_ENCODER
3571 .video_codec = CODEC_ID_H264,
3573 .video_codec = CODEC_ID_MPEG4,
3575 .write_header = mov_write_header,
3576 .write_packet = mov_write_packet,
3577 .write_trailer = mov_write_trailer,
3578 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3579 .codec_tag = (const AVCodecTag* const []){
3580 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3582 .priv_class = &mov_muxer_class,
3585 #if CONFIG_TGP_MUXER
3587 AVOutputFormat ff_tgp_muxer = {
3589 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3590 .extensions = "3gp",
3591 .priv_data_size = sizeof(MOVMuxContext),
3592 .audio_codec = CODEC_ID_AMR_NB,
3593 .video_codec = CODEC_ID_H263,
3594 .write_header = mov_write_header,
3595 .write_packet = mov_write_packet,
3596 .write_trailer = mov_write_trailer,
3597 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3598 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3599 .priv_class = &tgp_muxer_class,
3602 #if CONFIG_MP4_MUXER
3604 AVOutputFormat ff_mp4_muxer = {
3606 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3607 .mime_type = "application/mp4",
3608 .extensions = "mp4",
3609 .priv_data_size = sizeof(MOVMuxContext),
3610 .audio_codec = CODEC_ID_AAC,
3611 #if CONFIG_LIBX264_ENCODER
3612 .video_codec = CODEC_ID_H264,
3614 .video_codec = CODEC_ID_MPEG4,
3616 .write_header = mov_write_header,
3617 .write_packet = mov_write_packet,
3618 .write_trailer = mov_write_trailer,
3619 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3620 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3621 .priv_class = &mp4_muxer_class,
3624 #if CONFIG_PSP_MUXER
3626 AVOutputFormat ff_psp_muxer = {
3628 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3629 .extensions = "mp4,psp",
3630 .priv_data_size = sizeof(MOVMuxContext),
3631 .audio_codec = CODEC_ID_AAC,
3632 #if CONFIG_LIBX264_ENCODER
3633 .video_codec = CODEC_ID_H264,
3635 .video_codec = CODEC_ID_MPEG4,
3637 .write_header = mov_write_header,
3638 .write_packet = mov_write_packet,
3639 .write_trailer = mov_write_trailer,
3640 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3641 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3642 .priv_class = &psp_muxer_class,
3645 #if CONFIG_TG2_MUXER
3647 AVOutputFormat ff_tg2_muxer = {
3649 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3650 .extensions = "3g2",
3651 .priv_data_size = sizeof(MOVMuxContext),
3652 .audio_codec = CODEC_ID_AMR_NB,
3653 .video_codec = CODEC_ID_H263,
3654 .write_header = mov_write_header,
3655 .write_packet = mov_write_packet,
3656 .write_trailer = mov_write_trailer,
3657 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3658 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3659 .priv_class = &tg2_muxer_class,
3662 #if CONFIG_IPOD_MUXER
3664 AVOutputFormat ff_ipod_muxer = {
3666 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3667 .mime_type = "application/mp4",
3668 .extensions = "m4v,m4a",
3669 .priv_data_size = sizeof(MOVMuxContext),
3670 .audio_codec = CODEC_ID_AAC,
3671 .video_codec = CODEC_ID_H264,
3672 .write_header = mov_write_header,
3673 .write_packet = mov_write_packet,
3674 .write_trailer = mov_write_trailer,
3675 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3676 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3677 .priv_class = &ipod_muxer_class,
3680 #if CONFIG_ISMV_MUXER
3682 AVOutputFormat ff_ismv_muxer = {
3684 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3685 .mime_type = "application/mp4",
3686 .extensions = "ismv,isma",
3687 .priv_data_size = sizeof(MOVMuxContext),
3688 .audio_codec = CODEC_ID_AAC,
3689 .video_codec = CODEC_ID_H264,
3690 .write_header = mov_write_header,
3691 .write_packet = mov_write_packet,
3692 .write_trailer = mov_write_trailer,
3693 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3694 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3695 .priv_class = &ismv_muxer_class,