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, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
58 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
59 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
60 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
61 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
62 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
63 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
64 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
65 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
66 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
70 #define MOV_CLASS(flavor)\
71 static const AVClass flavor ## _muxer_class = {\
72 .class_name = #flavor " muxer",\
73 .item_name = av_default_item_name,\
75 .version = LIBAVUTIL_VERSION_INT,\
78 static int get_moov_size(AVFormatContext *s);
80 //FIXME support 64 bit variant with wide placeholders
81 static int64_t update_size(AVIOContext *pb, int64_t pos)
83 int64_t curpos = avio_tell(pb);
84 avio_seek(pb, pos, SEEK_SET);
85 avio_wb32(pb, curpos - pos); /* rewrite size */
86 avio_seek(pb, curpos, SEEK_SET);
91 static int supports_edts(MOVMuxContext *mov)
93 // EDTS with fragments is tricky as we don't know the duration when its written
94 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
97 static int co64_required(const MOVTrack *track)
99 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
104 /* Chunk offset atom */
105 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
108 int mode64 = co64_required(track); // use 32 bit size variant if possible
109 int64_t pos = avio_tell(pb);
110 avio_wb32(pb, 0); /* size */
112 ffio_wfourcc(pb, "co64");
114 ffio_wfourcc(pb, "stco");
115 avio_wb32(pb, 0); /* version & flags */
116 avio_wb32(pb, track->chunkCount); /* entry count */
117 for (i = 0; i < track->entry; i++) {
118 if (!track->cluster[i].chunkNum)
121 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
123 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
125 return update_size(pb, pos);
128 /* Sample size atom */
129 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
132 int i, j, entries = 0, tst = -1, oldtst = -1;
134 int64_t pos = avio_tell(pb);
135 avio_wb32(pb, 0); /* size */
136 ffio_wfourcc(pb, "stsz");
137 avio_wb32(pb, 0); /* version & flags */
139 for (i = 0; i < track->entry; i++) {
140 tst = track->cluster[i].size / track->cluster[i].entries;
141 if (oldtst != -1 && tst != oldtst)
144 entries += track->cluster[i].entries;
146 if (equalChunks && track->entry) {
147 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
148 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
149 avio_wb32(pb, sSize); // sample size
150 avio_wb32(pb, entries); // sample count
152 avio_wb32(pb, 0); // sample size
153 avio_wb32(pb, entries); // sample count
154 for (i = 0; i < track->entry; i++) {
155 for (j = 0; j < track->cluster[i].entries; j++) {
156 avio_wb32(pb, track->cluster[i].size /
157 track->cluster[i].entries);
161 return update_size(pb, pos);
164 /* Sample to chunk atom */
165 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
167 int index = 0, oldval = -1, i;
168 int64_t entryPos, curpos;
170 int64_t pos = avio_tell(pb);
171 avio_wb32(pb, 0); /* size */
172 ffio_wfourcc(pb, "stsc");
173 avio_wb32(pb, 0); // version & flags
174 entryPos = avio_tell(pb);
175 avio_wb32(pb, track->chunkCount); // entry count
176 for (i = 0; i < track->entry; i++) {
177 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
178 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
179 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
180 avio_wb32(pb, 0x1); // sample description index
181 oldval = track->cluster[i].samples_in_chunk;
185 curpos = avio_tell(pb);
186 avio_seek(pb, entryPos, SEEK_SET);
187 avio_wb32(pb, index); // rewrite size
188 avio_seek(pb, curpos, SEEK_SET);
190 return update_size(pb, pos);
193 /* Sync sample atom */
194 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
196 int64_t curpos, entryPos;
198 int64_t pos = avio_tell(pb);
199 avio_wb32(pb, 0); // size
200 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
201 avio_wb32(pb, 0); // version & flags
202 entryPos = avio_tell(pb);
203 avio_wb32(pb, track->entry); // entry count
204 for (i = 0; i < track->entry; i++) {
205 if (track->cluster[i].flags & flag) {
206 avio_wb32(pb, i + 1);
210 curpos = avio_tell(pb);
211 avio_seek(pb, entryPos, SEEK_SET);
212 avio_wb32(pb, index); // rewrite size
213 avio_seek(pb, curpos, SEEK_SET);
214 return update_size(pb, pos);
217 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
219 avio_wb32(pb, 0x11); /* size */
220 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
221 else ffio_wfourcc(pb, "damr");
222 ffio_wfourcc(pb, "FFMP");
223 avio_w8(pb, 0); /* decoder version */
225 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
226 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
227 avio_w8(pb, 0x01); /* Frames per sample */
231 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
236 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
238 if (track->vos_len < 7)
242 ffio_wfourcc(pb, "dac3");
244 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
245 fscod = get_bits(&gbc, 2);
246 frmsizecod = get_bits(&gbc, 6);
247 bsid = get_bits(&gbc, 5);
248 bsmod = get_bits(&gbc, 3);
249 acmod = get_bits(&gbc, 3);
251 skip_bits(&gbc, 2); // dsurmod
253 if ((acmod & 1) && acmod != 1)
254 skip_bits(&gbc, 2); // cmixlev
256 skip_bits(&gbc, 2); // surmixlev
258 lfeon = get_bits1(&gbc);
260 init_put_bits(&pbc, buf, sizeof(buf));
261 put_bits(&pbc, 2, fscod);
262 put_bits(&pbc, 5, bsid);
263 put_bits(&pbc, 3, bsmod);
264 put_bits(&pbc, 3, acmod);
265 put_bits(&pbc, 1, lfeon);
266 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
267 put_bits(&pbc, 5, 0); // reserved
269 flush_put_bits(&pbc);
270 avio_write(pb, buf, sizeof(buf));
276 * This function writes extradata "as is".
277 * Extradata must be formatted like a valid atom (with size and tag).
279 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
281 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
282 return track->enc->extradata_size;
285 static int mov_write_enda_tag(AVIOContext *pb)
288 ffio_wfourcc(pb, "enda");
289 avio_wb16(pb, 1); /* little endian */
293 static int mov_write_enda_tag_be(AVIOContext *pb)
296 ffio_wfourcc(pb, "enda");
297 avio_wb16(pb, 0); /* big endian */
301 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
306 avio_w8(pb, (size >> (7 * i)) | 0x80);
307 avio_w8(pb, size & 0x7F);
310 static unsigned compute_avg_bitrate(MOVTrack *track)
314 if (!track->track_duration)
316 for (i = 0; i < track->entry; i++)
317 size += track->cluster[i].size;
318 return size * 8 * track->timescale / track->track_duration;
321 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
323 int64_t pos = avio_tell(pb);
324 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
325 unsigned avg_bitrate;
327 avio_wb32(pb, 0); // size
328 ffio_wfourcc(pb, "esds");
329 avio_wb32(pb, 0); // Version
332 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
333 avio_wb16(pb, track->track_id);
334 avio_w8(pb, 0x00); // flags (= no flags)
336 // DecoderConfig descriptor
337 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
339 // Object type indication
340 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
341 track->enc->codec_id == AV_CODEC_ID_MP3) &&
342 track->enc->sample_rate > 24000)
343 avio_w8(pb, 0x6B); // 11172-3
345 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
347 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
348 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
349 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
350 avio_w8(pb, 0x15); // flags (= Audiostream)
352 avio_w8(pb, 0x11); // flags (= Visualstream)
354 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
356 avg_bitrate = compute_avg_bitrate(track);
357 // maxbitrate (FIXME should be max rate in any 1 sec window)
358 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
359 avio_wb32(pb, avg_bitrate);
361 if (track->vos_len) {
362 // DecoderSpecific info descriptor
363 put_descr(pb, 0x05, track->vos_len);
364 avio_write(pb, track->vos_data, track->vos_len);
368 put_descr(pb, 0x06, 1);
370 return update_size(pb, pos);
373 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
375 return codec_id == AV_CODEC_ID_PCM_S24LE ||
376 codec_id == AV_CODEC_ID_PCM_S32LE ||
377 codec_id == AV_CODEC_ID_PCM_F32LE ||
378 codec_id == AV_CODEC_ID_PCM_F64LE;
381 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
383 return codec_id == AV_CODEC_ID_PCM_S24BE ||
384 codec_id == AV_CODEC_ID_PCM_S32BE ||
385 codec_id == AV_CODEC_ID_PCM_F32BE ||
386 codec_id == AV_CODEC_ID_PCM_F64BE;
389 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
391 int64_t pos = avio_tell(pb);
393 avio_wl32(pb, track->tag); // store it byteswapped
394 track->enc->codec_tag = av_bswap16(track->tag >> 16);
395 ff_put_wav_header(pb, track->enc);
396 return update_size(pb, pos);
399 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
401 int64_t pos = avio_tell(pb);
403 ffio_wfourcc(pb, "wfex");
404 ff_put_wav_header(pb, track->enc);
405 return update_size(pb, pos);
408 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
410 uint32_t layout_tag, bitmap;
411 int64_t pos = avio_tell(pb);
413 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
414 track->enc->channel_layout,
417 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
418 "lack of channel information\n");
422 avio_wb32(pb, 0); // Size
423 ffio_wfourcc(pb, "chan"); // Type
424 avio_w8(pb, 0); // Version
425 avio_wb24(pb, 0); // Flags
426 avio_wb32(pb, layout_tag); // mChannelLayoutTag
427 avio_wb32(pb, bitmap); // mChannelBitmap
428 avio_wb32(pb, 0); // mNumberChannelDescriptions
430 return update_size(pb, pos);
433 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
435 int64_t pos = avio_tell(pb);
437 avio_wb32(pb, 0); /* size */
438 ffio_wfourcc(pb, "wave");
440 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
441 avio_wb32(pb, 12); /* size */
442 ffio_wfourcc(pb, "frma");
443 avio_wl32(pb, track->tag);
446 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
447 /* useless atom needed by mplayer, ipod, not needed by quicktime */
448 avio_wb32(pb, 12); /* size */
449 ffio_wfourcc(pb, "mp4a");
451 mov_write_esds_tag(pb, track);
452 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
453 mov_write_enda_tag(pb);
454 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
455 mov_write_enda_tag_be(pb);
456 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
457 mov_write_amr_tag(pb, track);
458 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
459 mov_write_ac3_tag(pb, track);
460 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
461 track->enc->codec_id == AV_CODEC_ID_QDM2) {
462 mov_write_extradata_tag(pb, track);
463 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
464 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
465 mov_write_ms_tag(pb, track);
468 avio_wb32(pb, 8); /* size */
469 avio_wb32(pb, 0); /* null tag */
471 return update_size(pb, pos);
474 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
477 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
478 int unescaped_size, seq_found = 0;
479 int level = 0, interlace = 0;
480 int packet_seq = track->vc1_info.packet_seq;
481 int packet_entry = track->vc1_info.packet_entry;
482 int slices = track->vc1_info.slices;
485 if (track->start_dts == AV_NOPTS_VALUE) {
486 /* No packets written yet, vc1_info isn't authoritative yet. */
487 /* Assume inline sequence and entry headers. This will be
488 * overwritten at the end if the file is seekable. */
489 packet_seq = packet_entry = 1;
492 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
494 return AVERROR(ENOMEM);
495 start = find_next_marker(track->vos_data, end);
496 for (next = start; next < end; start = next) {
499 next = find_next_marker(start + 4, end);
500 size = next - start - 4;
503 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
504 init_get_bits(&gb, unescaped, 8 * unescaped_size);
505 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
506 int profile = get_bits(&gb, 2);
507 if (profile != PROFILE_ADVANCED) {
509 return AVERROR(ENOSYS);
512 level = get_bits(&gb, 3);
513 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
515 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
516 skip_bits(&gb, 1); /* broadcast */
517 interlace = get_bits1(&gb);
518 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
523 return AVERROR(ENOSYS);
526 init_put_bits(&pbc, buf, 7);
527 /* VC1DecSpecStruc */
528 put_bits(&pbc, 4, 12); /* profile - advanced */
529 put_bits(&pbc, 3, level);
530 put_bits(&pbc, 1, 0); /* reserved */
531 /* VC1AdvDecSpecStruc */
532 put_bits(&pbc, 3, level);
533 put_bits(&pbc, 1, 0); /* cbr */
534 put_bits(&pbc, 6, 0); /* reserved */
535 put_bits(&pbc, 1, !interlace); /* no interlace */
536 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
537 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
538 put_bits(&pbc, 1, !slices); /* no slice code */
539 put_bits(&pbc, 1, 0); /* no bframe */
540 put_bits(&pbc, 1, 0); /* reserved */
541 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
542 flush_put_bits(&pbc);
549 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
551 uint8_t buf[7] = { 0 };
554 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
557 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
558 ffio_wfourcc(pb, "dvc1");
559 track->vc1_info.struct_offset = avio_tell(pb);
560 avio_write(pb, buf, sizeof(buf));
561 avio_write(pb, track->vos_data, track->vos_len);
566 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
568 avio_wb32(pb, track->vos_len + 8);
569 ffio_wfourcc(pb, "glbl");
570 avio_write(pb, track->vos_data, track->vos_len);
571 return 8 + track->vos_len;
575 * Compute flags for 'lpcm' tag.
576 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
578 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
581 case AV_CODEC_ID_PCM_F32BE:
582 case AV_CODEC_ID_PCM_F64BE:
584 case AV_CODEC_ID_PCM_F32LE:
585 case AV_CODEC_ID_PCM_F64LE:
587 case AV_CODEC_ID_PCM_U8:
589 case AV_CODEC_ID_PCM_S16BE:
590 case AV_CODEC_ID_PCM_S24BE:
591 case AV_CODEC_ID_PCM_S32BE:
593 case AV_CODEC_ID_PCM_S8:
594 case AV_CODEC_ID_PCM_S16LE:
595 case AV_CODEC_ID_PCM_S24LE:
596 case AV_CODEC_ID_PCM_S32LE:
603 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
607 if (cluster_idx >= track->entry)
610 if (cluster_idx + 1 == track->entry)
611 next_dts = track->track_duration + track->start_dts;
613 next_dts = track->cluster[cluster_idx + 1].dts;
615 return next_dts - track->cluster[cluster_idx].dts;
618 static int get_samples_per_packet(MOVTrack *track)
620 int i, first_duration;
622 // return track->enc->frame_size;
624 /* use 1 for raw PCM */
625 if (!track->audio_vbr)
628 /* check to see if duration is constant for all clusters */
631 first_duration = get_cluster_duration(track, 0);
632 for (i = 1; i < track->entry; i++) {
633 if (get_cluster_duration(track, i) != first_duration)
636 return first_duration;
639 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
641 int64_t pos = avio_tell(pb);
643 uint32_t tag = track->tag;
645 if (track->mode == MODE_MOV) {
646 if (track->timescale > UINT16_MAX) {
647 if (mov_get_lpcm_flags(track->enc->codec_id))
648 tag = AV_RL32("lpcm");
650 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
651 mov_pcm_be_gt16(track->enc->codec_id) ||
652 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
653 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
654 track->enc->codec_id == AV_CODEC_ID_QDM2) {
659 avio_wb32(pb, 0); /* size */
660 avio_wl32(pb, tag); // store it byteswapped
661 avio_wb32(pb, 0); /* Reserved */
662 avio_wb16(pb, 0); /* Reserved */
663 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
665 /* SoundDescription */
666 avio_wb16(pb, version); /* Version */
667 avio_wb16(pb, 0); /* Revision level */
668 avio_wb32(pb, 0); /* Reserved */
673 avio_wb16(pb, 0xfffe);
675 avio_wb32(pb, 0x00010000);
677 avio_wb64(pb, av_double2int(track->enc->sample_rate));
678 avio_wb32(pb, track->enc->channels);
679 avio_wb32(pb, 0x7F000000);
680 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
681 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
682 avio_wb32(pb, track->sample_size);
683 avio_wb32(pb, get_samples_per_packet(track));
685 if (track->mode == MODE_MOV) {
686 avio_wb16(pb, track->enc->channels);
687 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
688 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
689 avio_wb16(pb, 8); /* bits per sample */
692 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
693 } else { /* reserved for mp4/3gp */
699 avio_wb16(pb, 0); /* packet size (= 0) */
700 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
701 track->enc->sample_rate : 0);
702 avio_wb16(pb, 0); /* Reserved */
705 if (version == 1) { /* SoundDescription V1 extended info */
706 if (mov_pcm_le_gt16(track->enc->codec_id) ||
707 mov_pcm_be_gt16(track->enc->codec_id))
708 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
710 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
711 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
712 avio_wb32(pb, track->sample_size); /* Bytes per frame */
713 avio_wb32(pb, 2); /* Bytes per sample */
716 if (track->mode == MODE_MOV &&
717 (track->enc->codec_id == AV_CODEC_ID_AAC ||
718 track->enc->codec_id == AV_CODEC_ID_AC3 ||
719 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
720 track->enc->codec_id == AV_CODEC_ID_ALAC ||
721 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
722 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
723 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
724 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
725 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
726 mov_write_wave_tag(pb, track);
727 else if (track->tag == MKTAG('m','p','4','a'))
728 mov_write_esds_tag(pb, track);
729 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
730 mov_write_amr_tag(pb, track);
731 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
732 mov_write_ac3_tag(pb, track);
733 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
734 mov_write_extradata_tag(pb, track);
735 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
736 mov_write_wfex_tag(pb, track);
737 else if (track->vos_len > 0)
738 mov_write_glbl_tag(pb, track);
740 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
741 mov_write_chan_tag(pb, track);
743 return update_size(pb, pos);
746 static int mov_write_d263_tag(AVIOContext *pb)
748 avio_wb32(pb, 0xf); /* size */
749 ffio_wfourcc(pb, "d263");
750 ffio_wfourcc(pb, "FFMP");
751 avio_w8(pb, 0); /* decoder version */
752 /* FIXME use AVCodecContext level/profile, when encoder will set values */
753 avio_w8(pb, 0xa); /* level */
754 avio_w8(pb, 0); /* profile */
758 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
760 int64_t pos = avio_tell(pb);
763 ffio_wfourcc(pb, "avcC");
764 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
765 return update_size(pb, pos);
768 /* also used by all avid codecs (dv, imx, meridien) and their variants */
769 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
772 avio_wb32(pb, 24); /* size */
773 ffio_wfourcc(pb, "ACLR");
774 ffio_wfourcc(pb, "ACLR");
775 ffio_wfourcc(pb, "0001");
776 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
777 avio_wb32(pb, 0); /* unknown */
779 avio_wb32(pb, 24); /* size */
780 ffio_wfourcc(pb, "APRG");
781 ffio_wfourcc(pb, "APRG");
782 ffio_wfourcc(pb, "0001");
783 avio_wb32(pb, 1); /* unknown */
784 avio_wb32(pb, 0); /* unknown */
786 avio_wb32(pb, 120); /* size */
787 ffio_wfourcc(pb, "ARES");
788 ffio_wfourcc(pb, "ARES");
789 ffio_wfourcc(pb, "0001");
790 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
791 avio_wb32(pb, track->enc->width);
792 /* values below are based on samples created with quicktime and avid codecs */
793 if (track->vos_data[5] & 2) { // interlaced
794 avio_wb32(pb, track->enc->height / 2);
795 avio_wb32(pb, 2); /* unknown */
796 avio_wb32(pb, 0); /* unknown */
797 avio_wb32(pb, 4); /* unknown */
799 avio_wb32(pb, track->enc->height);
800 avio_wb32(pb, 1); /* unknown */
801 avio_wb32(pb, 0); /* unknown */
802 if (track->enc->height == 1080)
803 avio_wb32(pb, 5); /* unknown */
805 avio_wb32(pb, 6); /* unknown */
808 for (i = 0; i < 10; i++)
811 /* extra padding for stsd needed */
816 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
818 int tag = track->enc->codec_tag;
820 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
823 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
824 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
825 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
826 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
827 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
828 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
829 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
834 static const AVCodecTag codec_ipod_tags[] = {
835 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
836 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
837 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
838 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
839 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
840 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
841 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
842 { AV_CODEC_ID_NONE, 0 },
845 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
847 int tag = track->enc->codec_tag;
849 // keep original tag for subs, ipod supports both formats
850 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
851 (tag == MKTAG('t', 'x', '3', 'g') ||
852 tag == MKTAG('t', 'e', 'x', 't'))))
853 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
855 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
856 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
857 "Quicktime/Ipod might not play the file\n");
862 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
866 if (track->enc->width == 720) { /* SD */
867 if (track->enc->height == 480) { /* NTSC */
868 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
869 else tag = MKTAG('d','v','c',' ');
870 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
871 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
872 else tag = MKTAG('d','v','p','p');
873 } else if (track->enc->height == 720) { /* HD 720 line */
874 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
875 else tag = MKTAG('d','v','h','p');
876 } else if (track->enc->height == 1080) { /* HD 1080 line */
877 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
878 else tag = MKTAG('d','v','h','6');
880 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
887 static AVRational find_fps(AVFormatContext *s, AVStream *st)
889 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
890 /* if the codec time base makes no sense, try to fallback on stream frame rate */
891 if (av_timecode_check_frame_rate(rate) < 0) {
892 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
893 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
894 rate = st->avg_frame_rate;
900 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
902 int tag = MKTAG('m', '2', 'v', '1'); //fallback tag
903 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
904 AVStream *st = track->st;
905 int rate = av_q2d(find_fps(s, st));
907 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
908 if (track->enc->width == 1280 && track->enc->height == 720) {
910 if (rate == 24) tag = MKTAG('x','d','v','4');
911 else if (rate == 25) tag = MKTAG('x','d','v','5');
912 else if (rate == 30) tag = MKTAG('x','d','v','1');
913 else if (rate == 50) tag = MKTAG('x','d','v','a');
914 else if (rate == 60) tag = MKTAG('x','d','v','9');
916 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
918 if (rate == 24) tag = MKTAG('x','d','v','6');
919 else if (rate == 25) tag = MKTAG('x','d','v','7');
920 else if (rate == 30) tag = MKTAG('x','d','v','8');
922 if (rate == 25) tag = MKTAG('x','d','v','3');
923 else if (rate == 30) tag = MKTAG('x','d','v','2');
925 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
927 if (rate == 24) tag = MKTAG('x','d','v','d');
928 else if (rate == 25) tag = MKTAG('x','d','v','e');
929 else if (rate == 30) tag = MKTAG('x','d','v','f');
931 if (rate == 25) tag = MKTAG('x','d','v','c');
932 else if (rate == 30) tag = MKTAG('x','d','v','b');
935 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
936 if (track->enc->width == 1280 && track->enc->height == 720) {
938 if (rate == 24) tag = MKTAG('x','d','5','4');
939 else if (rate == 25) tag = MKTAG('x','d','5','5');
940 else if (rate == 30) tag = MKTAG('x','d','5','1');
941 else if (rate == 50) tag = MKTAG('x','d','5','a');
942 else if (rate == 60) tag = MKTAG('x','d','5','9');
944 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
946 if (rate == 24) tag = MKTAG('x','d','5','d');
947 else if (rate == 25) tag = MKTAG('x','d','5','e');
948 else if (rate == 30) tag = MKTAG('x','d','5','f');
950 if (rate == 25) tag = MKTAG('x','d','5','c');
951 else if (rate == 30) tag = MKTAG('x','d','5','b');
959 static const struct {
960 enum AVPixelFormat pix_fmt;
963 } mov_pix_fmt_tags[] = {
964 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
965 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
966 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
967 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
968 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
969 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
970 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
971 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
972 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
973 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
974 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
975 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
976 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
977 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
978 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
981 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
983 int tag = track->enc->codec_tag;
986 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
987 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
988 tag = mov_pix_fmt_tags[i].tag;
989 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
990 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
998 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1000 int tag = track->enc->codec_tag;
1002 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1003 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1004 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1005 track->enc->codec_id == AV_CODEC_ID_H263 ||
1006 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1007 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1008 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1009 tag = mov_get_dv_codec_tag(s, track);
1010 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1011 tag = mov_get_rawvideo_codec_tag(s, track);
1012 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1013 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1014 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1015 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1016 if (!tag) { // if no mac fcc found, try with Microsoft tags
1017 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1019 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1020 "the file may be unplayable!\n");
1022 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1023 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1024 if (!tag) { // if no mac fcc found, try with Microsoft tags
1025 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1027 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1028 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1029 "the file may be unplayable!\n");
1032 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1033 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1039 static const AVCodecTag codec_3gp_tags[] = {
1040 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1041 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1042 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1043 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1044 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1045 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1046 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1047 { AV_CODEC_ID_NONE, 0 },
1050 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1051 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1052 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1053 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1054 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1055 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1056 { AV_CODEC_ID_NONE, 0 },
1059 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1063 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1064 tag = mp4_get_codec_tag(s, track);
1065 else if (track->mode == MODE_ISM) {
1066 tag = mp4_get_codec_tag(s, track);
1067 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1068 tag = MKTAG('w', 'm', 'a', ' ');
1069 } else if (track->mode == MODE_IPOD)
1070 tag = ipod_get_codec_tag(s, track);
1071 else if (track->mode & MODE_3GP)
1072 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1073 else if (track->mode == MODE_F4V)
1074 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1076 tag = mov_get_codec_tag(s, track);
1081 /** Write uuid atom.
1082 * Needed to make file play in iPods running newest firmware
1083 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1085 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1088 ffio_wfourcc(pb, "uuid");
1089 avio_wb32(pb, 0x6b6840f2);
1090 avio_wb32(pb, 0x5f244fc5);
1091 avio_wb32(pb, 0xba39a51b);
1092 avio_wb32(pb, 0xcf0323f3);
1097 static const uint16_t fiel_data[] = {
1098 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1101 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1103 unsigned mov_field_order = 0;
1104 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1105 mov_field_order = fiel_data[track->enc->field_order];
1109 ffio_wfourcc(pb, "fiel");
1110 avio_wb16(pb, mov_field_order);
1114 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1116 int64_t pos = avio_tell(pb);
1117 avio_wb32(pb, 0); /* size */
1118 avio_wl32(pb, track->tag); // store it byteswapped
1119 avio_wb32(pb, 0); /* Reserved */
1120 avio_wb16(pb, 0); /* Reserved */
1121 avio_wb16(pb, 1); /* Data-reference index */
1123 if (track->enc->extradata_size)
1124 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1126 return update_size(pb, pos);
1129 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1132 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1133 track->enc->sample_aspect_ratio.den, INT_MAX);
1136 ffio_wfourcc(pb, "pasp");
1137 avio_wb32(pb, sar.num);
1138 avio_wb32(pb, sar.den);
1142 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1144 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1145 || (track->enc->width == 1440 && track->enc->height == 1080)
1146 || (track->enc->width == 1920 && track->enc->height == 1080);
1148 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) {
1149 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1150 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1151 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1152 AVStream *st = track->st;
1153 int rate = av_q2d(find_fps(NULL, st));
1154 av_strlcatf(compressor_name, len, "XDCAM");
1155 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1156 av_strlcatf(compressor_name, len, " HD422");
1157 } else if(track->enc->width == 1440) {
1158 av_strlcatf(compressor_name, len, " HD");
1160 av_strlcatf(compressor_name, len, " EX");
1162 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1164 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1168 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1170 int64_t pos = avio_tell(pb);
1171 char compressor_name[32] = { 0 };
1173 avio_wb32(pb, 0); /* size */
1174 avio_wl32(pb, track->tag); // store it byteswapped
1175 avio_wb32(pb, 0); /* Reserved */
1176 avio_wb16(pb, 0); /* Reserved */
1177 avio_wb16(pb, 1); /* Data-reference index */
1179 avio_wb16(pb, 0); /* Codec stream version */
1180 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1181 if (track->mode == MODE_MOV) {
1182 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1183 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1184 avio_wb32(pb, 0); /* Temporal Quality */
1185 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1187 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1188 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1191 avio_wb32(pb, 0); /* Reserved */
1192 avio_wb32(pb, 0); /* Reserved */
1193 avio_wb32(pb, 0); /* Reserved */
1195 avio_wb16(pb, track->enc->width); /* Video width */
1196 avio_wb16(pb, track->height); /* Video height */
1197 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1198 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1199 avio_wb32(pb, 0); /* Data size (= 0) */
1200 avio_wb16(pb, 1); /* Frame count (= 1) */
1202 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1203 find_compressor(compressor_name, 32, track);
1204 avio_w8(pb, strlen(compressor_name));
1205 avio_write(pb, compressor_name, 31);
1207 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1208 avio_wb16(pb, track->enc->bits_per_coded_sample);
1210 avio_wb16(pb, 0x18); /* Reserved */
1211 avio_wb16(pb, 0xffff); /* Reserved */
1212 if (track->tag == MKTAG('m','p','4','v'))
1213 mov_write_esds_tag(pb, track);
1214 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1215 mov_write_d263_tag(pb);
1216 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1217 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1218 mov_write_extradata_tag(pb, track);
1220 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1221 mov_write_avid_tag(pb, track);
1222 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1223 mov_write_avcc_tag(pb, track);
1224 if (track->mode == MODE_IPOD)
1225 mov_write_uuid_tag_ipod(pb);
1226 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1227 mov_write_dvc1_tag(pb, track);
1228 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1229 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1230 /* Don't write any potential extradata here - the cropping
1231 * is signalled via the normal width/height fields. */
1232 } else if (track->vos_len > 0)
1233 mov_write_glbl_tag(pb, track);
1235 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1236 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1237 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1238 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1239 mov_write_fiel_tag(pb, track);
1241 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1242 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1243 mov_write_pasp_tag(pb, track);
1246 return update_size(pb, pos);
1249 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1251 int64_t pos = avio_tell(pb);
1252 avio_wb32(pb, 0); /* size */
1253 ffio_wfourcc(pb, "rtp ");
1254 avio_wb32(pb, 0); /* Reserved */
1255 avio_wb16(pb, 0); /* Reserved */
1256 avio_wb16(pb, 1); /* Data-reference index */
1258 avio_wb16(pb, 1); /* Hint track version */
1259 avio_wb16(pb, 1); /* Highest compatible version */
1260 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1262 avio_wb32(pb, 12); /* size */
1263 ffio_wfourcc(pb, "tims");
1264 avio_wb32(pb, track->timescale);
1266 return update_size(pb, pos);
1269 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1271 int64_t pos = avio_tell(pb);
1273 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1274 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1276 if (nb_frames > 255) {
1277 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1278 return AVERROR(EINVAL);
1281 avio_wb32(pb, 0); /* size */
1282 ffio_wfourcc(pb, "tmcd"); /* Data format */
1283 avio_wb32(pb, 0); /* Reserved */
1284 avio_wb32(pb, 1); /* Data reference index */
1285 avio_wb32(pb, 0); /* Flags */
1286 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1287 avio_wb32(pb, track->timescale); /* Timescale */
1288 avio_wb32(pb, frame_duration); /* Frame duration */
1289 avio_w8(pb, nb_frames); /* Number of frames */
1290 avio_wb24(pb, 0); /* Reserved */
1291 /* TODO: source reference string */
1294 avio_wb32(pb, 0); /* size */
1295 ffio_wfourcc(pb, "tmcd"); /* Data format */
1296 avio_wb32(pb, 0); /* Reserved */
1297 avio_wb32(pb, 1); /* Data reference index */
1298 if (track->enc->extradata_size)
1299 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1301 return update_size(pb, pos);
1304 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1306 int64_t pos = avio_tell(pb);
1307 avio_wb32(pb, 0); /* size */
1308 ffio_wfourcc(pb, "stsd");
1309 avio_wb32(pb, 0); /* version & flags */
1310 avio_wb32(pb, 1); /* entry count */
1311 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1312 mov_write_video_tag(pb, track);
1313 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1314 mov_write_audio_tag(pb, track);
1315 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1316 mov_write_subtitle_tag(pb, track);
1317 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1318 mov_write_rtp_tag(pb, track);
1319 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1320 mov_write_tmcd_tag(pb, track);
1321 return update_size(pb, pos);
1324 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1326 MOVStts *ctts_entries;
1327 uint32_t entries = 0;
1331 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1332 ctts_entries[0].count = 1;
1333 ctts_entries[0].duration = track->cluster[0].cts;
1334 for (i = 1; i < track->entry; i++) {
1335 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1336 ctts_entries[entries].count++; /* compress */
1339 ctts_entries[entries].duration = track->cluster[i].cts;
1340 ctts_entries[entries].count = 1;
1343 entries++; /* last one */
1344 atom_size = 16 + (entries * 8);
1345 avio_wb32(pb, atom_size); /* size */
1346 ffio_wfourcc(pb, "ctts");
1347 avio_wb32(pb, 0); /* version & flags */
1348 avio_wb32(pb, entries); /* entry count */
1349 for (i = 0; i < entries; i++) {
1350 avio_wb32(pb, ctts_entries[i].count);
1351 avio_wb32(pb, ctts_entries[i].duration);
1353 av_free(ctts_entries);
1357 /* Time to sample atom */
1358 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1360 MOVStts *stts_entries;
1361 uint32_t entries = -1;
1365 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1366 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1367 stts_entries[0].count = track->sample_count;
1368 stts_entries[0].duration = 1;
1371 stts_entries = track->entry ?
1372 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1374 for (i = 0; i < track->entry; i++) {
1375 int duration = get_cluster_duration(track, i);
1376 if (i && duration == stts_entries[entries].duration) {
1377 stts_entries[entries].count++; /* compress */
1380 stts_entries[entries].duration = duration;
1381 stts_entries[entries].count = 1;
1384 entries++; /* last one */
1386 atom_size = 16 + (entries * 8);
1387 avio_wb32(pb, atom_size); /* size */
1388 ffio_wfourcc(pb, "stts");
1389 avio_wb32(pb, 0); /* version & flags */
1390 avio_wb32(pb, entries); /* entry count */
1391 for (i = 0; i < entries; i++) {
1392 avio_wb32(pb, stts_entries[i].count);
1393 avio_wb32(pb, stts_entries[i].duration);
1395 av_free(stts_entries);
1399 static int mov_write_dref_tag(AVIOContext *pb)
1401 avio_wb32(pb, 28); /* size */
1402 ffio_wfourcc(pb, "dref");
1403 avio_wb32(pb, 0); /* version & flags */
1404 avio_wb32(pb, 1); /* entry count */
1406 avio_wb32(pb, 0xc); /* size */
1407 //FIXME add the alis and rsrc atom
1408 ffio_wfourcc(pb, "url ");
1409 avio_wb32(pb, 1); /* version & flags */
1414 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1416 int64_t pos = avio_tell(pb);
1417 avio_wb32(pb, 0); /* size */
1418 ffio_wfourcc(pb, "stbl");
1419 mov_write_stsd_tag(pb, track);
1420 mov_write_stts_tag(pb, track);
1421 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1422 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1423 track->has_keyframes && track->has_keyframes < track->entry)
1424 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1425 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1426 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1427 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1428 track->flags & MOV_TRACK_CTTS)
1429 mov_write_ctts_tag(pb, track);
1430 mov_write_stsc_tag(pb, track);
1431 mov_write_stsz_tag(pb, track);
1432 mov_write_stco_tag(pb, track);
1433 return update_size(pb, pos);
1436 static int mov_write_dinf_tag(AVIOContext *pb)
1438 int64_t pos = avio_tell(pb);
1439 avio_wb32(pb, 0); /* size */
1440 ffio_wfourcc(pb, "dinf");
1441 mov_write_dref_tag(pb);
1442 return update_size(pb, pos);
1445 static int mov_write_nmhd_tag(AVIOContext *pb)
1448 ffio_wfourcc(pb, "nmhd");
1453 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1455 int64_t pos = avio_tell(pb);
1456 const char *font = "Lucida Grande";
1457 avio_wb32(pb, 0); /* size */
1458 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1459 avio_wb32(pb, 0); /* version & flags */
1460 avio_wb16(pb, 0); /* text font */
1461 avio_wb16(pb, 0); /* text face */
1462 avio_wb16(pb, 12); /* text size */
1463 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1464 avio_wb16(pb, 0x0000); /* text color (red) */
1465 avio_wb16(pb, 0x0000); /* text color (green) */
1466 avio_wb16(pb, 0x0000); /* text color (blue) */
1467 avio_wb16(pb, 0xffff); /* background color (red) */
1468 avio_wb16(pb, 0xffff); /* background color (green) */
1469 avio_wb16(pb, 0xffff); /* background color (blue) */
1470 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1471 avio_write(pb, font, strlen(font)); /* font name */
1472 return update_size(pb, pos);
1475 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1477 int64_t pos = avio_tell(pb);
1478 avio_wb32(pb, 0); /* size */
1479 ffio_wfourcc(pb, "gmhd");
1480 avio_wb32(pb, 0x18); /* gmin size */
1481 ffio_wfourcc(pb, "gmin");/* generic media info */
1482 avio_wb32(pb, 0); /* version & flags */
1483 avio_wb16(pb, 0x40); /* graphics mode = */
1484 avio_wb16(pb, 0x8000); /* opColor (r?) */
1485 avio_wb16(pb, 0x8000); /* opColor (g?) */
1486 avio_wb16(pb, 0x8000); /* opColor (b?) */
1487 avio_wb16(pb, 0); /* balance */
1488 avio_wb16(pb, 0); /* reserved */
1491 * This special text atom is required for
1492 * Apple Quicktime chapters. The contents
1493 * don't appear to be documented, so the
1494 * bytes are copied verbatim.
1496 if (track->tag != MKTAG('c','6','0','8')) {
1497 avio_wb32(pb, 0x2C); /* size */
1498 ffio_wfourcc(pb, "text");
1499 avio_wb16(pb, 0x01);
1500 avio_wb32(pb, 0x00);
1501 avio_wb32(pb, 0x00);
1502 avio_wb32(pb, 0x00);
1503 avio_wb32(pb, 0x01);
1504 avio_wb32(pb, 0x00);
1505 avio_wb32(pb, 0x00);
1506 avio_wb32(pb, 0x00);
1507 avio_wb32(pb, 0x00004000);
1508 avio_wb16(pb, 0x0000);
1511 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1512 int64_t tmcd_pos = avio_tell(pb);
1513 avio_wb32(pb, 0); /* size */
1514 ffio_wfourcc(pb, "tmcd");
1515 mov_write_tcmi_tag(pb, track);
1516 update_size(pb, tmcd_pos);
1518 return update_size(pb, pos);
1521 static int mov_write_smhd_tag(AVIOContext *pb)
1523 avio_wb32(pb, 16); /* size */
1524 ffio_wfourcc(pb, "smhd");
1525 avio_wb32(pb, 0); /* version & flags */
1526 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1527 avio_wb16(pb, 0); /* reserved */
1531 static int mov_write_vmhd_tag(AVIOContext *pb)
1533 avio_wb32(pb, 0x14); /* size (always 0x14) */
1534 ffio_wfourcc(pb, "vmhd");
1535 avio_wb32(pb, 0x01); /* version & flags */
1536 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1540 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1542 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1543 int64_t pos = avio_tell(pb);
1547 descr = "DataHandler";
1550 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1551 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1553 descr = "VideoHandler";
1554 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1556 descr = "SoundHandler";
1557 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1558 if (track->tag == MKTAG('c','6','0','8')) {
1560 descr = "ClosedCaptionHandler";
1562 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1563 else hdlr_type = "text";
1564 descr = "SubtitleHandler";
1566 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1568 descr = "HintHandler";
1569 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1571 descr = "TimeCodeHandler";
1574 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1575 track->enc->codec_tag);
1577 av_log(track->enc, AV_LOG_WARNING,
1578 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1579 tag_buf, track->enc->codec_tag);
1583 avio_wb32(pb, 0); /* size */
1584 ffio_wfourcc(pb, "hdlr");
1585 avio_wb32(pb, 0); /* Version & flags */
1586 avio_write(pb, hdlr, 4); /* handler */
1587 ffio_wfourcc(pb, hdlr_type); /* handler type */
1588 avio_wb32(pb, 0); /* reserved */
1589 avio_wb32(pb, 0); /* reserved */
1590 avio_wb32(pb, 0); /* reserved */
1591 if (!track || track->mode == MODE_MOV)
1592 avio_w8(pb, strlen(descr)); /* pascal string */
1593 avio_write(pb, descr, strlen(descr)); /* handler description */
1594 if (track && track->mode != MODE_MOV)
1595 avio_w8(pb, 0); /* c string */
1596 return update_size(pb, pos);
1599 static int mov_write_hmhd_tag(AVIOContext *pb)
1601 /* This atom must be present, but leaving the values at zero
1602 * seems harmless. */
1603 avio_wb32(pb, 28); /* size */
1604 ffio_wfourcc(pb, "hmhd");
1605 avio_wb32(pb, 0); /* version, flags */
1606 avio_wb16(pb, 0); /* maxPDUsize */
1607 avio_wb16(pb, 0); /* avgPDUsize */
1608 avio_wb32(pb, 0); /* maxbitrate */
1609 avio_wb32(pb, 0); /* avgbitrate */
1610 avio_wb32(pb, 0); /* reserved */
1614 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1616 int64_t pos = avio_tell(pb);
1617 avio_wb32(pb, 0); /* size */
1618 ffio_wfourcc(pb, "minf");
1619 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1620 mov_write_vmhd_tag(pb);
1621 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1622 mov_write_smhd_tag(pb);
1623 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1624 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1625 mov_write_gmhd_tag(pb, track);
1627 mov_write_nmhd_tag(pb);
1629 } else if (track->tag == MKTAG('r','t','p',' ')) {
1630 mov_write_hmhd_tag(pb);
1631 } else if (track->tag == MKTAG('t','m','c','d')) {
1632 mov_write_gmhd_tag(pb, track);
1634 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1635 mov_write_hdlr_tag(pb, NULL);
1636 mov_write_dinf_tag(pb);
1637 mov_write_stbl_tag(pb, track);
1638 return update_size(pb, pos);
1641 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1643 int version = track->track_duration < INT32_MAX ? 0 : 1;
1645 if (track->mode == MODE_ISM)
1648 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1649 ffio_wfourcc(pb, "mdhd");
1650 avio_w8(pb, version);
1651 avio_wb24(pb, 0); /* flags */
1653 avio_wb64(pb, track->time);
1654 avio_wb64(pb, track->time);
1656 avio_wb32(pb, track->time); /* creation time */
1657 avio_wb32(pb, track->time); /* modification time */
1659 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1661 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1663 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1664 avio_wb16(pb, track->language); /* language */
1665 avio_wb16(pb, 0); /* reserved (quality) */
1667 if (version != 0 && track->mode == MODE_MOV) {
1668 av_log(NULL, AV_LOG_ERROR,
1669 "FATAL error, file duration too long for timebase, this file will not be\n"
1670 "playable with quicktime. Choose a different timebase or a different\n"
1671 "container format\n");
1677 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1679 int64_t pos = avio_tell(pb);
1680 avio_wb32(pb, 0); /* size */
1681 ffio_wfourcc(pb, "mdia");
1682 mov_write_mdhd_tag(pb, track);
1683 mov_write_hdlr_tag(pb, track);
1684 mov_write_minf_tag(pb, track);
1685 return update_size(pb, pos);
1688 /* transformation matrix
1692 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1693 int16_t d, int16_t tx, int16_t ty)
1695 avio_wb32(pb, a << 16); /* 16.16 format */
1696 avio_wb32(pb, b << 16); /* 16.16 format */
1697 avio_wb32(pb, 0); /* u in 2.30 format */
1698 avio_wb32(pb, c << 16); /* 16.16 format */
1699 avio_wb32(pb, d << 16); /* 16.16 format */
1700 avio_wb32(pb, 0); /* v in 2.30 format */
1701 avio_wb32(pb, tx << 16); /* 16.16 format */
1702 avio_wb32(pb, ty << 16); /* 16.16 format */
1703 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1706 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1708 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1709 track->timescale, AV_ROUND_UP);
1710 int version = duration < INT32_MAX ? 0 : 1;
1713 if (track->mode == MODE_ISM)
1716 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1717 ffio_wfourcc(pb, "tkhd");
1718 avio_w8(pb, version);
1719 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1720 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1721 MOV_TKHD_FLAG_IN_MOVIE);
1723 avio_wb64(pb, track->time);
1724 avio_wb64(pb, track->time);
1726 avio_wb32(pb, track->time); /* creation time */
1727 avio_wb32(pb, track->time); /* modification time */
1729 avio_wb32(pb, track->track_id); /* track-id */
1730 avio_wb32(pb, 0); /* reserved */
1732 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1734 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1736 avio_wb32(pb, 0); /* reserved */
1737 avio_wb32(pb, 0); /* reserved */
1738 avio_wb16(pb, 0); /* layer */
1739 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1740 /* Volume, only for audio */
1741 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1742 avio_wb16(pb, 0x0100);
1745 avio_wb16(pb, 0); /* reserved */
1747 /* Matrix structure */
1748 if (st && st->metadata) {
1749 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1750 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1752 if (rotation == 90) {
1753 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1754 } else if (rotation == 180) {
1755 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1756 } else if (rotation == 270) {
1757 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1759 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1761 /* Track width and height, for visual only */
1762 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1763 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1764 if (track->mode == MODE_MOV) {
1765 avio_wb32(pb, track->enc->width << 16);
1766 avio_wb32(pb, track->height << 16);
1768 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1769 if (!sample_aspect_ratio || track->height != track->enc->height)
1770 sample_aspect_ratio = 1;
1771 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1772 avio_wb32(pb, track->height * 0x10000);
1781 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1783 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1784 track->enc->sample_aspect_ratio.den);
1786 int64_t pos = avio_tell(pb);
1788 avio_wb32(pb, 0); /* size */
1789 ffio_wfourcc(pb, "tapt");
1792 ffio_wfourcc(pb, "clef");
1794 avio_wb32(pb, width << 16);
1795 avio_wb32(pb, track->enc->height << 16);
1798 ffio_wfourcc(pb, "prof");
1800 avio_wb32(pb, width << 16);
1801 avio_wb32(pb, track->enc->height << 16);
1804 ffio_wfourcc(pb, "enof");
1806 avio_wb32(pb, track->enc->width << 16);
1807 avio_wb32(pb, track->enc->height << 16);
1809 return update_size(pb, pos);
1812 // This box seems important for the psp playback ... without it the movie seems to hang
1813 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1815 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1816 track->timescale, AV_ROUND_UP);
1817 int version = duration < INT32_MAX ? 0 : 1;
1818 int entry_size, entry_count, size;
1819 int64_t delay, start_ct = track->cluster[0].cts;
1820 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1821 track->timescale, AV_ROUND_DOWN);
1822 version |= delay < INT32_MAX ? 0 : 1;
1824 entry_size = (version == 1) ? 20 : 12;
1825 entry_count = 1 + (delay > 0);
1826 size = 24 + entry_count * entry_size;
1828 /* write the atom data */
1829 avio_wb32(pb, size);
1830 ffio_wfourcc(pb, "edts");
1831 avio_wb32(pb, size - 8);
1832 ffio_wfourcc(pb, "elst");
1833 avio_w8(pb, version);
1834 avio_wb24(pb, 0); /* flags */
1836 avio_wb32(pb, entry_count);
1837 if (delay > 0) { /* add an empty edit to delay presentation */
1839 avio_wb64(pb, delay);
1842 avio_wb32(pb, delay);
1845 avio_wb32(pb, 0x00010000);
1847 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1848 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1854 avio_wb64(pb, duration);
1855 avio_wb64(pb, start_ct);
1857 avio_wb32(pb, duration);
1858 avio_wb32(pb, start_ct);
1860 avio_wb32(pb, 0x00010000);
1864 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1866 avio_wb32(pb, 20); // size
1867 ffio_wfourcc(pb, "tref");
1868 avio_wb32(pb, 12); // size (subatom)
1869 avio_wl32(pb, track->tref_tag);
1870 avio_wb32(pb, track->tref_id);
1874 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1875 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1877 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1878 ffio_wfourcc(pb, "uuid");
1879 ffio_wfourcc(pb, "USMT");
1880 avio_wb32(pb, 0x21d24fce);
1881 avio_wb32(pb, 0xbb88695c);
1882 avio_wb32(pb, 0xfac9c740);
1883 avio_wb32(pb, 0x1c); // another size here!
1884 ffio_wfourcc(pb, "MTDT");
1885 avio_wb32(pb, 0x00010012);
1886 avio_wb32(pb, 0x0a);
1887 avio_wb32(pb, 0x55c40000);
1893 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1895 AVFormatContext *ctx = track->rtp_ctx;
1896 char buf[1000] = "";
1899 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1900 NULL, NULL, 0, 0, ctx);
1901 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1904 avio_wb32(pb, len + 24);
1905 ffio_wfourcc(pb, "udta");
1906 avio_wb32(pb, len + 16);
1907 ffio_wfourcc(pb, "hnti");
1908 avio_wb32(pb, len + 8);
1909 ffio_wfourcc(pb, "sdp ");
1910 avio_write(pb, buf, len);
1914 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1915 MOVTrack *track, AVStream *st)
1917 int64_t pos = avio_tell(pb);
1918 avio_wb32(pb, 0); /* size */
1919 ffio_wfourcc(pb, "trak");
1920 mov_write_tkhd_tag(pb, track, st);
1921 if (supports_edts(mov))
1922 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1923 if (track->tref_tag)
1924 mov_write_tref_tag(pb, track);
1925 mov_write_mdia_tag(pb, track);
1926 if (track->mode == MODE_PSP)
1927 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1928 if (track->tag == MKTAG('r','t','p',' '))
1929 mov_write_udta_sdp(pb, track);
1930 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1931 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1932 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1933 mov_write_tapt_tag(pb, track);
1935 return update_size(pb, pos);
1938 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1940 int i, has_audio = 0, has_video = 0;
1941 int64_t pos = avio_tell(pb);
1942 int audio_profile = mov->iods_audio_profile;
1943 int video_profile = mov->iods_video_profile;
1944 for (i = 0; i < mov->nb_streams; i++) {
1945 if (mov->tracks[i].entry > 0) {
1946 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1947 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1950 if (audio_profile < 0)
1951 audio_profile = 0xFF - has_audio;
1952 if (video_profile < 0)
1953 video_profile = 0xFF - has_video;
1954 avio_wb32(pb, 0x0); /* size */
1955 ffio_wfourcc(pb, "iods");
1956 avio_wb32(pb, 0); /* version & flags */
1957 put_descr(pb, 0x10, 7);
1958 avio_wb16(pb, 0x004f);
1961 avio_w8(pb, audio_profile);
1962 avio_w8(pb, video_profile);
1964 return update_size(pb, pos);
1967 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1969 avio_wb32(pb, 0x20); /* size */
1970 ffio_wfourcc(pb, "trex");
1971 avio_wb32(pb, 0); /* version & flags */
1972 avio_wb32(pb, track->track_id); /* track ID */
1973 avio_wb32(pb, 1); /* default sample description index */
1974 avio_wb32(pb, 0); /* default sample duration */
1975 avio_wb32(pb, 0); /* default sample size */
1976 avio_wb32(pb, 0); /* default sample flags */
1980 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1982 int64_t pos = avio_tell(pb);
1984 avio_wb32(pb, 0x0); /* size */
1985 ffio_wfourcc(pb, "mvex");
1986 for (i = 0; i < mov->nb_streams; i++)
1987 mov_write_trex_tag(pb, &mov->tracks[i]);
1988 return update_size(pb, pos);
1991 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1993 int max_track_id = 1, i;
1994 int64_t max_track_len_temp, max_track_len = 0;
1997 for (i = 0; i < mov->nb_streams; i++) {
1998 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1999 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2001 mov->tracks[i].timescale,
2003 if (max_track_len < max_track_len_temp)
2004 max_track_len = max_track_len_temp;
2005 if (max_track_id < mov->tracks[i].track_id)
2006 max_track_id = mov->tracks[i].track_id;
2010 version = max_track_len < UINT32_MAX ? 0 : 1;
2011 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2012 ffio_wfourcc(pb, "mvhd");
2013 avio_w8(pb, version);
2014 avio_wb24(pb, 0); /* flags */
2016 avio_wb64(pb, mov->time);
2017 avio_wb64(pb, mov->time);
2019 avio_wb32(pb, mov->time); /* creation time */
2020 avio_wb32(pb, mov->time); /* modification time */
2022 avio_wb32(pb, MOV_TIMESCALE);
2023 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2025 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2026 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2027 avio_wb16(pb, 0); /* reserved */
2028 avio_wb32(pb, 0); /* reserved */
2029 avio_wb32(pb, 0); /* reserved */
2031 /* Matrix structure */
2032 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2034 avio_wb32(pb, 0); /* reserved (preview time) */
2035 avio_wb32(pb, 0); /* reserved (preview duration) */
2036 avio_wb32(pb, 0); /* reserved (poster time) */
2037 avio_wb32(pb, 0); /* reserved (selection time) */
2038 avio_wb32(pb, 0); /* reserved (selection duration) */
2039 avio_wb32(pb, 0); /* reserved (current time) */
2040 avio_wb32(pb, max_track_id + 1); /* Next track id */
2044 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2047 avio_wb32(pb, 33); /* size */
2048 ffio_wfourcc(pb, "hdlr");
2051 ffio_wfourcc(pb, "mdir");
2052 ffio_wfourcc(pb, "appl");
2059 /* helper function to write a data tag with the specified string as data */
2060 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2063 int size = 16 + strlen(data);
2064 avio_wb32(pb, size); /* size */
2065 ffio_wfourcc(pb, "data");
2068 avio_write(pb, data, strlen(data));
2072 lang = ff_mov_iso639_to_lang("und", 1);
2073 avio_wb16(pb, strlen(data)); /* string length */
2074 avio_wb16(pb, lang);
2075 avio_write(pb, data, strlen(data));
2076 return strlen(data) + 4;
2080 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2081 const char *value, int lang, int long_style)
2084 if (value && value[0]) {
2085 int64_t pos = avio_tell(pb);
2086 avio_wb32(pb, 0); /* size */
2087 ffio_wfourcc(pb, name);
2088 mov_write_string_data_tag(pb, value, lang, long_style);
2089 size = update_size(pb, pos);
2094 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2095 const char *name, const char *tag,
2098 int l, lang = 0, len, len2;
2099 AVDictionaryEntry *t, *t2 = NULL;
2102 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2105 len = strlen(t->key);
2106 snprintf(tag2, sizeof(tag2), "%s-", tag);
2107 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2108 len2 = strlen(t2->key);
2109 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2110 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2115 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2118 /* iTunes bpm number */
2119 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2121 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2122 int size = 0, tmpo = t ? atoi(t->value) : 0;
2125 avio_wb32(pb, size);
2126 ffio_wfourcc(pb, "tmpo");
2127 avio_wb32(pb, size-8); /* size */
2128 ffio_wfourcc(pb, "data");
2129 avio_wb32(pb, 0x15); //type specifier
2131 avio_wb16(pb, tmpo); // data
2136 /* iTunes track or disc number */
2137 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2138 AVFormatContext *s, int disc)
2140 AVDictionaryEntry *t = av_dict_get(s->metadata,
2141 disc ? "disc" : "track",
2143 int size = 0, track = t ? atoi(t->value) : 0;
2146 char *slash = strchr(t->value, '/');
2148 tracks = atoi(slash + 1);
2149 avio_wb32(pb, 32); /* size */
2150 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2151 avio_wb32(pb, 24); /* size */
2152 ffio_wfourcc(pb, "data");
2153 avio_wb32(pb, 0); // 8 bytes empty
2155 avio_wb16(pb, 0); // empty
2156 avio_wb16(pb, track); // track / disc number
2157 avio_wb16(pb, tracks); // total track / disc number
2158 avio_wb16(pb, 0); // empty
2164 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2165 const char *name, const char *tag,
2168 AVDictionaryEntry *t = NULL;
2170 int size = 24 + len;
2172 if (len != 1 && len != 4)
2175 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2177 num = atoi(t->value);
2179 avio_wb32(pb, size);
2180 ffio_wfourcc(pb, name);
2181 avio_wb32(pb, size - 8);
2182 ffio_wfourcc(pb, "data");
2183 avio_wb32(pb, 0x15);
2185 if (len==4) avio_wb32(pb, num);
2186 else avio_w8 (pb, num);
2191 /* iTunes meta data list */
2192 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2195 int64_t pos = avio_tell(pb);
2196 avio_wb32(pb, 0); /* size */
2197 ffio_wfourcc(pb, "ilst");
2198 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2199 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2200 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2201 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2202 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2203 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2204 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2205 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2206 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2207 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2208 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2209 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2210 mov_write_string_metadata(s, pb, "desc", "description",1);
2211 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2212 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2213 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2214 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2215 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2216 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2217 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2218 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2219 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2220 mov_write_trkn_tag(pb, mov, s, 0); // track number
2221 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2222 mov_write_tmpo_tag(pb, s);
2223 return update_size(pb, pos);
2226 /* iTunes meta data tag */
2227 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2231 int64_t pos = avio_tell(pb);
2232 avio_wb32(pb, 0); /* size */
2233 ffio_wfourcc(pb, "meta");
2235 mov_write_itunes_hdlr_tag(pb, mov, s);
2236 mov_write_ilst_tag(pb, mov, s);
2237 size = update_size(pb, pos);
2241 static int utf8len(const uint8_t *b)
2246 GET_UTF8(val, *b++, return -1;)
2252 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2256 GET_UTF8(val, *b++, return -1;)
2259 avio_wb16(pb, 0x00);
2263 static uint16_t language_code(const char *str)
2265 return (((str[0] - 0x60) & 0x1F) << 10) +
2266 (((str[1] - 0x60) & 0x1F) << 5) +
2267 (( str[2] - 0x60) & 0x1F);
2270 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2271 const char *tag, const char *str)
2273 int64_t pos = avio_tell(pb);
2274 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2275 if (!t || !utf8len(t->value))
2277 avio_wb32(pb, 0); /* size */
2278 ffio_wfourcc(pb, tag); /* type */
2279 avio_wb32(pb, 0); /* version + flags */
2280 if (!strcmp(tag, "yrrc"))
2281 avio_wb16(pb, atoi(t->value));
2283 avio_wb16(pb, language_code("eng")); /* language */
2284 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2285 if (!strcmp(tag, "albm") &&
2286 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2287 avio_w8(pb, atoi(t->value));
2289 return update_size(pb, pos);
2292 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2294 int64_t pos = avio_tell(pb);
2295 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2297 avio_wb32(pb, 0); // size
2298 ffio_wfourcc(pb, "chpl");
2299 avio_wb32(pb, 0x01000000); // version + flags
2300 avio_wb32(pb, 0); // unknown
2301 avio_w8(pb, nb_chapters);
2303 for (i = 0; i < nb_chapters; i++) {
2304 AVChapter *c = s->chapters[i];
2305 AVDictionaryEntry *t;
2306 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2308 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2309 int len = FFMIN(strlen(t->value), 255);
2311 avio_write(pb, t->value, len);
2315 return update_size(pb, pos);
2318 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2321 AVIOContext *pb_buf;
2325 for (i = 0; i < s->nb_streams; i++)
2326 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2330 ret = avio_open_dyn_buf(&pb_buf);
2334 if (mov->mode & MODE_3GP) {
2335 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2336 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2337 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2338 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2339 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2340 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2341 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2342 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2343 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2344 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2345 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2346 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2347 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2348 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2349 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2350 // currently ignored by mov.c
2351 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2352 // add support for libquicktime, this atom is also actually read by mov.c
2353 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2354 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2355 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2357 /* iTunes meta data */
2358 mov_write_meta_tag(pb_buf, mov, s);
2362 mov_write_chpl_tag(pb_buf, s);
2364 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2365 avio_wb32(pb, size + 8);
2366 ffio_wfourcc(pb, "udta");
2367 avio_write(pb, buf, size);
2374 static void mov_write_psp_udta_tag(AVIOContext *pb,
2375 const char *str, const char *lang, int type)
2377 int len = utf8len(str) + 1;
2380 avio_wb16(pb, len * 2 + 10); /* size */
2381 avio_wb32(pb, type); /* type */
2382 avio_wb16(pb, language_code(lang)); /* language */
2383 avio_wb16(pb, 0x01); /* ? */
2384 ascii_to_wc(pb, str);
2387 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2389 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2393 pos = avio_tell(pb);
2394 avio_wb32(pb, 0); /* size placeholder*/
2395 ffio_wfourcc(pb, "uuid");
2396 ffio_wfourcc(pb, "USMT");
2397 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2398 avio_wb32(pb, 0xbb88695c);
2399 avio_wb32(pb, 0xfac9c740);
2401 pos2 = avio_tell(pb);
2402 avio_wb32(pb, 0); /* size placeholder*/
2403 ffio_wfourcc(pb, "MTDT");
2407 avio_wb16(pb, 0x0C); /* size */
2408 avio_wb32(pb, 0x0B); /* type */
2409 avio_wb16(pb, language_code("und")); /* language */
2410 avio_wb16(pb, 0x0); /* ? */
2411 avio_wb16(pb, 0x021C); /* data */
2413 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2414 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2415 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2417 update_size(pb, pos2);
2418 return update_size(pb, pos);
2424 static void build_chunks(MOVTrack *trk)
2427 MOVIentry *chunk = &trk->cluster[0];
2428 uint64_t chunkSize = chunk->size;
2429 chunk->chunkNum = 1;
2430 if (trk->chunkCount)
2432 trk->chunkCount = 1;
2433 for (i = 1; i<trk->entry; i++){
2434 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2435 chunkSize + trk->cluster[i].size < (1<<20)){
2436 chunkSize += trk->cluster[i].size;
2437 chunk->samples_in_chunk += trk->cluster[i].entries;
2439 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2440 chunk=&trk->cluster[i];
2441 chunkSize = chunk->size;
2447 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2451 int64_t pos = avio_tell(pb);
2452 avio_wb32(pb, 0); /* size placeholder*/
2453 ffio_wfourcc(pb, "moov");
2455 for (i = 0; i < mov->nb_streams; i++) {
2456 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2459 mov->tracks[i].time = mov->time;
2460 mov->tracks[i].track_id = i + 1;
2462 if (mov->tracks[i].entry)
2463 build_chunks(&mov->tracks[i]);
2466 if (mov->chapter_track)
2467 for (i = 0; i < s->nb_streams; i++) {
2468 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2469 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2471 for (i = 0; i < mov->nb_streams; i++) {
2472 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2473 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2474 mov->tracks[i].tref_id =
2475 mov->tracks[mov->tracks[i].src_track].track_id;
2478 for (i = 0; i < mov->nb_streams; i++) {
2479 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2480 int src_trk = mov->tracks[i].src_track;
2481 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2482 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2483 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2487 mov_write_mvhd_tag(pb, mov);
2488 if (mov->mode != MODE_MOV && !mov->iods_skip)
2489 mov_write_iods_tag(pb, mov);
2490 for (i = 0; i < mov->nb_streams; i++) {
2491 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2492 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2495 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2496 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2498 if (mov->mode == MODE_PSP)
2499 mov_write_uuidusmt_tag(pb, s);
2501 mov_write_udta_tag(pb, mov, s);
2503 return update_size(pb, pos);
2506 static void param_write_int(AVIOContext *pb, const char *name, int value)
2508 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2511 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2513 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2516 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2519 len = FFMIN(sizeof(buf) / 2 - 1, len);
2520 ff_data_to_hex(buf, value, len, 0);
2521 buf[2 * len] = '\0';
2522 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2525 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2527 int64_t pos = avio_tell(pb);
2529 static const uint8_t uuid[] = {
2530 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2531 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2535 ffio_wfourcc(pb, "uuid");
2536 avio_write(pb, uuid, sizeof(uuid));
2539 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2540 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2541 avio_printf(pb, "<head>\n");
2542 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2544 avio_printf(pb, "</head>\n");
2545 avio_printf(pb, "<body>\n");
2546 avio_printf(pb, "<switch>\n");
2547 for (i = 0; i < mov->nb_streams; i++) {
2548 MOVTrack *track = &mov->tracks[i];
2550 /* track->track_id is initialized in write_moov, and thus isn't known
2552 int track_id = i + 1;
2554 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2556 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2561 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2562 track->enc->bit_rate);
2563 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2564 param_write_int(pb, "trackID", track_id);
2565 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2566 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2568 int size = track->enc->extradata_size;
2569 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2571 param_write_hex(pb, "CodecPrivateData",
2572 ptr ? ptr : track->enc->extradata,
2576 param_write_string(pb, "FourCC", "H264");
2577 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2578 param_write_string(pb, "FourCC", "WVC1");
2579 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2580 track->enc->extradata_size);
2582 param_write_int(pb, "MaxWidth", track->enc->width);
2583 param_write_int(pb, "MaxHeight", track->enc->height);
2584 param_write_int(pb, "DisplayWidth", track->enc->width);
2585 param_write_int(pb, "DisplayHeight", track->enc->height);
2587 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2588 param_write_string(pb, "FourCC", "AACL");
2589 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2590 param_write_string(pb, "FourCC", "WMAP");
2592 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2593 track->enc->extradata_size);
2594 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2595 track->enc->codec_id));
2596 param_write_int(pb, "Channels", track->enc->channels);
2597 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2598 param_write_int(pb, "BitsPerSample", 16);
2599 param_write_int(pb, "PacketSize", track->enc->block_align ?
2600 track->enc->block_align : 4);
2602 avio_printf(pb, "</%s>\n", type);
2604 avio_printf(pb, "</switch>\n");
2605 avio_printf(pb, "</body>\n");
2606 avio_printf(pb, "</smil>\n");
2608 return update_size(pb, pos);
2611 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2614 ffio_wfourcc(pb, "mfhd");
2616 avio_wb32(pb, mov->fragments);
2620 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2621 MOVTrack *track, int64_t moof_offset)
2623 int64_t pos = avio_tell(pb);
2624 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2625 MOV_TFHD_BASE_DATA_OFFSET;
2626 if (!track->entry) {
2627 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2629 flags |= MOV_TFHD_DEFAULT_FLAGS;
2631 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2632 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2634 /* Don't set a default sample size, the silverlight player refuses
2635 * to play files with that set. Don't set a default sample duration,
2636 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2637 * file format says it MUST NOT be set. */
2638 if (track->mode == MODE_ISM)
2639 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2640 MOV_TFHD_BASE_DATA_OFFSET);
2642 avio_wb32(pb, 0); /* size placeholder */
2643 ffio_wfourcc(pb, "tfhd");
2644 avio_w8(pb, 0); /* version */
2645 avio_wb24(pb, flags);
2647 avio_wb32(pb, track->track_id); /* track-id */
2648 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2649 avio_wb64(pb, moof_offset);
2650 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2651 track->default_duration = get_cluster_duration(track, 0);
2652 avio_wb32(pb, track->default_duration);
2654 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2655 track->default_size = track->entry ? track->cluster[0].size : 1;
2656 avio_wb32(pb, track->default_size);
2658 track->default_size = -1;
2660 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2661 track->default_sample_flags =
2662 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2663 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2664 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2665 avio_wb32(pb, track->default_sample_flags);
2668 return update_size(pb, pos);
2671 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2673 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2674 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2677 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2678 MOVTrack *track, int moof_size)
2680 int64_t pos = avio_tell(pb);
2681 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2684 for (i = 0; i < track->entry; i++) {
2685 if (get_cluster_duration(track, i) != track->default_duration)
2686 flags |= MOV_TRUN_SAMPLE_DURATION;
2687 if (track->cluster[i].size != track->default_size)
2688 flags |= MOV_TRUN_SAMPLE_SIZE;
2689 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2690 flags |= MOV_TRUN_SAMPLE_FLAGS;
2692 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2693 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2694 if (track->flags & MOV_TRACK_CTTS)
2695 flags |= MOV_TRUN_SAMPLE_CTS;
2697 avio_wb32(pb, 0); /* size placeholder */
2698 ffio_wfourcc(pb, "trun");
2699 avio_w8(pb, 0); /* version */
2700 avio_wb24(pb, flags);
2702 avio_wb32(pb, track->entry); /* sample count */
2703 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2704 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2705 track->track_id != 1)
2706 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2708 avio_wb32(pb, moof_size + 8 + track->data_offset +
2709 track->cluster[0].pos); /* data offset */
2710 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2711 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2713 for (i = 0; i < track->entry; i++) {
2714 if (flags & MOV_TRUN_SAMPLE_DURATION)
2715 avio_wb32(pb, get_cluster_duration(track, i));
2716 if (flags & MOV_TRUN_SAMPLE_SIZE)
2717 avio_wb32(pb, track->cluster[i].size);
2718 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2719 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2720 if (flags & MOV_TRUN_SAMPLE_CTS)
2721 avio_wb32(pb, track->cluster[i].cts);
2724 return update_size(pb, pos);
2727 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2729 int64_t pos = avio_tell(pb);
2730 static const uint8_t uuid[] = {
2731 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2732 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2735 avio_wb32(pb, 0); /* size placeholder */
2736 ffio_wfourcc(pb, "uuid");
2737 avio_write(pb, uuid, sizeof(uuid));
2740 avio_wb64(pb, track->frag_start);
2741 avio_wb64(pb, track->start_dts + track->track_duration -
2742 track->cluster[0].dts);
2744 return update_size(pb, pos);
2747 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2748 MOVTrack *track, int entry)
2750 int n = track->nb_frag_info - 1 - entry, i;
2751 int size = 8 + 16 + 4 + 1 + 16*n;
2752 static const uint8_t uuid[] = {
2753 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2754 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2760 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2761 avio_wb32(pb, size);
2762 ffio_wfourcc(pb, "uuid");
2763 avio_write(pb, uuid, sizeof(uuid));
2767 for (i = 0; i < n; i++) {
2768 int index = entry + 1 + i;
2769 avio_wb64(pb, track->frag_info[index].time);
2770 avio_wb64(pb, track->frag_info[index].duration);
2772 if (n < mov->ism_lookahead) {
2773 int free_size = 16 * (mov->ism_lookahead - n);
2774 avio_wb32(pb, free_size);
2775 ffio_wfourcc(pb, "free");
2776 ffio_fill(pb, 0, free_size - 8);
2782 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2785 int64_t pos = avio_tell(pb);
2787 for (i = 0; i < mov->ism_lookahead; i++) {
2788 /* Update the tfrf tag for the last ism_lookahead fragments,
2789 * nb_frag_info - 1 is the next fragment to be written. */
2790 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2792 avio_seek(pb, pos, SEEK_SET);
2796 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2797 MOVTrack *track, int64_t moof_offset,
2800 int64_t pos = avio_tell(pb);
2801 avio_wb32(pb, 0); /* size placeholder */
2802 ffio_wfourcc(pb, "traf");
2804 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2805 mov_write_trun_tag(pb, mov, track, moof_size);
2806 if (mov->mode == MODE_ISM) {
2807 mov_write_tfxd_tag(pb, track);
2809 if (mov->ism_lookahead) {
2810 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2812 track->tfrf_offset = avio_tell(pb);
2813 avio_wb32(pb, 8 + size);
2814 ffio_wfourcc(pb, "free");
2815 for (i = 0; i < size; i++)
2820 return update_size(pb, pos);
2823 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2824 int tracks, int moof_size)
2826 int64_t pos = avio_tell(pb);
2829 avio_wb32(pb, 0); /* size placeholder */
2830 ffio_wfourcc(pb, "moof");
2832 mov_write_mfhd_tag(pb, mov);
2833 for (i = 0; i < mov->nb_streams; i++) {
2834 MOVTrack *track = &mov->tracks[i];
2835 if (tracks >= 0 && i != tracks)
2839 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2842 return update_size(pb, pos);
2845 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2847 AVIOContext *avio_buf;
2850 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2852 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2853 moof_size = ffio_close_null_buf(avio_buf);
2854 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2857 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2859 int64_t pos = avio_tell(pb);
2862 avio_wb32(pb, 0); /* size placeholder */
2863 ffio_wfourcc(pb, "tfra");
2864 avio_w8(pb, 1); /* version */
2867 avio_wb32(pb, track->track_id);
2868 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2869 avio_wb32(pb, track->nb_frag_info);
2870 for (i = 0; i < track->nb_frag_info; i++) {
2871 avio_wb64(pb, track->frag_info[i].time);
2872 avio_wb64(pb, track->frag_info[i].offset);
2873 avio_w8(pb, 1); /* traf number */
2874 avio_w8(pb, 1); /* trun number */
2875 avio_w8(pb, 1); /* sample number */
2878 return update_size(pb, pos);
2881 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2883 int64_t pos = avio_tell(pb);
2886 avio_wb32(pb, 0); /* size placeholder */
2887 ffio_wfourcc(pb, "mfra");
2888 /* An empty mfra atom is enough to indicate to the publishing point that
2889 * the stream has ended. */
2890 if (mov->flags & FF_MOV_FLAG_ISML)
2891 return update_size(pb, pos);
2893 for (i = 0; i < mov->nb_streams; i++) {
2894 MOVTrack *track = &mov->tracks[i];
2895 if (track->nb_frag_info)
2896 mov_write_tfra_tag(pb, track);
2900 ffio_wfourcc(pb, "mfro");
2901 avio_wb32(pb, 0); /* version + flags */
2902 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2904 return update_size(pb, pos);
2907 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2909 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2910 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2912 mov->mdat_pos = avio_tell(pb);
2913 avio_wb32(pb, 0); /* size placeholder*/
2914 ffio_wfourcc(pb, "mdat");
2918 /* TODO: This needs to be more general */
2919 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2921 MOVMuxContext *mov = s->priv_data;
2922 int64_t pos = avio_tell(pb);
2923 int has_h264 = 0, has_video = 0;
2927 for (i = 0; i < s->nb_streams; i++) {
2928 AVStream *st = s->streams[i];
2929 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2931 if (st->codec->codec_id == AV_CODEC_ID_H264)
2935 avio_wb32(pb, 0); /* size */
2936 ffio_wfourcc(pb, "ftyp");
2938 if (mov->mode == MODE_3GP) {
2939 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2940 minor = has_h264 ? 0x100 : 0x200;
2941 } else if (mov->mode & MODE_3G2) {
2942 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2943 minor = has_h264 ? 0x20000 : 0x10000;
2944 } else if (mov->mode == MODE_PSP)
2945 ffio_wfourcc(pb, "MSNV");
2946 else if (mov->mode == MODE_MP4)
2947 ffio_wfourcc(pb, "isom");
2948 else if (mov->mode == MODE_IPOD)
2949 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2950 else if (mov->mode == MODE_ISM)
2951 ffio_wfourcc(pb, "isml");
2952 else if (mov->mode == MODE_F4V)
2953 ffio_wfourcc(pb, "f4v ");
2955 ffio_wfourcc(pb, "qt ");
2957 avio_wb32(pb, minor);
2959 if (mov->mode == MODE_MOV)
2960 ffio_wfourcc(pb, "qt ");
2961 else if (mov->mode == MODE_ISM) {
2962 ffio_wfourcc(pb, "piff");
2963 ffio_wfourcc(pb, "iso2");
2965 ffio_wfourcc(pb, "isom");
2966 ffio_wfourcc(pb, "iso2");
2968 ffio_wfourcc(pb, "avc1");
2971 if (mov->mode == MODE_3GP)
2972 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2973 else if (mov->mode & MODE_3G2)
2974 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2975 else if (mov->mode == MODE_PSP)
2976 ffio_wfourcc(pb, "MSNV");
2977 else if (mov->mode == MODE_MP4)
2978 ffio_wfourcc(pb, "mp41");
2979 return update_size(pb, pos);
2982 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2984 AVCodecContext *video_codec = s->streams[0]->codec;
2985 AVCodecContext *audio_codec = s->streams[1]->codec;
2986 int audio_rate = audio_codec->sample_rate;
2987 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2988 int audio_kbitrate = audio_codec->bit_rate / 1000;
2989 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2991 avio_wb32(pb, 0x94); /* size */
2992 ffio_wfourcc(pb, "uuid");
2993 ffio_wfourcc(pb, "PROF");
2995 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2996 avio_wb32(pb, 0xbb88695c);
2997 avio_wb32(pb, 0xfac9c740);
2999 avio_wb32(pb, 0x0); /* ? */
3000 avio_wb32(pb, 0x3); /* 3 sections ? */
3002 avio_wb32(pb, 0x14); /* size */
3003 ffio_wfourcc(pb, "FPRF");
3004 avio_wb32(pb, 0x0); /* ? */
3005 avio_wb32(pb, 0x0); /* ? */
3006 avio_wb32(pb, 0x0); /* ? */
3008 avio_wb32(pb, 0x2c); /* size */
3009 ffio_wfourcc(pb, "APRF"); /* audio */
3011 avio_wb32(pb, 0x2); /* TrackID */
3012 ffio_wfourcc(pb, "mp4a");
3013 avio_wb32(pb, 0x20f);
3015 avio_wb32(pb, audio_kbitrate);
3016 avio_wb32(pb, audio_kbitrate);
3017 avio_wb32(pb, audio_rate);
3018 avio_wb32(pb, audio_codec->channels);
3020 avio_wb32(pb, 0x34); /* size */
3021 ffio_wfourcc(pb, "VPRF"); /* video */
3023 avio_wb32(pb, 0x1); /* TrackID */
3024 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3025 ffio_wfourcc(pb, "avc1");
3026 avio_wb16(pb, 0x014D);
3027 avio_wb16(pb, 0x0015);
3029 ffio_wfourcc(pb, "mp4v");
3030 avio_wb16(pb, 0x0000);
3031 avio_wb16(pb, 0x0103);
3034 avio_wb32(pb, video_kbitrate);
3035 avio_wb32(pb, video_kbitrate);
3036 avio_wb32(pb, frame_rate);
3037 avio_wb32(pb, frame_rate);
3038 avio_wb16(pb, video_codec->width);
3039 avio_wb16(pb, video_codec->height);
3040 avio_wb32(pb, 0x010001); /* ? */
3043 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3046 int i, closed_gop = 0;
3048 for (i = 0; i < pkt->size - 4; i++) {
3049 c = (c << 8) + pkt->data[i];
3050 if (c == 0x1b8) { // gop
3051 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3052 } else if (c == 0x100) { // pic
3053 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3054 if (!temp_ref || closed_gop) // I picture is not reordered
3055 *flags = MOV_SYNC_SAMPLE;
3057 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3064 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3066 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3067 int seq = 0, entry = 0;
3068 int key = pkt->flags & AV_PKT_FLAG_KEY;
3069 start = find_next_marker(pkt->data, end);
3070 for (next = start; next < end; start = next) {
3071 next = find_next_marker(start + 4, end);
3072 switch (AV_RB32(start)) {
3073 case VC1_CODE_SEQHDR:
3076 case VC1_CODE_ENTRYPOINT:
3079 case VC1_CODE_SLICE:
3080 trk->vc1_info.slices = 1;
3084 if (!trk->entry && !fragment) {
3085 /* First packet in first fragment */
3086 trk->vc1_info.first_packet_seq = seq;
3087 trk->vc1_info.first_packet_entry = entry;
3088 } else if ((seq && !trk->vc1_info.packet_seq) ||
3089 (entry && !trk->vc1_info.packet_entry)) {
3091 for (i = 0; i < trk->entry; i++)
3092 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3093 trk->has_keyframes = 0;
3095 trk->vc1_info.packet_seq = 1;
3097 trk->vc1_info.packet_entry = 1;
3099 /* First fragment */
3100 if ((!seq || trk->vc1_info.first_packet_seq) &&
3101 (!entry || trk->vc1_info.first_packet_entry)) {
3102 /* First packet had the same headers as this one, readd the
3103 * sync sample flag. */
3104 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3105 trk->has_keyframes = 1;
3109 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3111 else if (trk->vc1_info.packet_seq)
3113 else if (trk->vc1_info.packet_entry)
3116 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3117 trk->has_keyframes++;
3121 static int mov_flush_fragment(AVFormatContext *s)
3123 MOVMuxContext *mov = s->priv_data;
3124 int i, first_track = -1;
3125 int64_t mdat_size = 0;
3127 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3130 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3131 int64_t pos = avio_tell(s->pb);
3133 int buf_size, moov_size;
3135 for (i = 0; i < mov->nb_streams; i++)
3136 if (!mov->tracks[i].entry)
3138 /* Don't write the initial moov unless all tracks have data */
3139 if (i < mov->nb_streams)
3142 moov_size = get_moov_size(s);
3143 for (i = 0; i < mov->nb_streams; i++)
3144 mov->tracks[i].data_offset = pos + moov_size + 8;
3146 mov_write_moov_tag(s->pb, mov, s);
3148 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3149 mov->mdat_buf = NULL;
3150 avio_wb32(s->pb, buf_size + 8);
3151 ffio_wfourcc(s->pb, "mdat");
3152 avio_write(s->pb, buf, buf_size);
3157 for (i = 0; i < mov->nb_streams; i++) {
3158 if (mov->tracks[i].entry)
3159 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3160 mov->tracks[i].track_duration -
3161 mov->tracks[i].cluster[0].dts;
3162 mov->tracks[i].entry = 0;
3168 for (i = 0; i < mov->nb_streams; i++) {
3169 MOVTrack *track = &mov->tracks[i];
3170 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3171 track->data_offset = 0;
3173 track->data_offset = mdat_size;
3174 if (!track->mdat_buf)
3176 mdat_size += avio_tell(track->mdat_buf);
3177 if (first_track < 0)
3184 for (i = 0; i < mov->nb_streams; i++) {
3185 MOVTrack *track = &mov->tracks[i];
3186 int buf_size, write_moof = 1, moof_tracks = -1;
3188 int64_t duration = 0;
3191 duration = track->start_dts + track->track_duration -
3192 track->cluster[0].dts;
3193 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3194 if (!track->mdat_buf)
3196 mdat_size = avio_tell(track->mdat_buf);
3199 write_moof = i == first_track;
3203 MOVFragmentInfo *info;
3205 track->nb_frag_info++;
3206 if (track->nb_frag_info >= track->frag_info_capacity) {
3207 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3208 if (av_reallocp_array(&track->frag_info,
3210 sizeof(*track->frag_info)))
3211 return AVERROR(ENOMEM);
3212 track->frag_info_capacity = new_capacity;
3214 info = &track->frag_info[track->nb_frag_info - 1];
3215 info->offset = avio_tell(s->pb);
3216 info->time = mov->tracks[i].frag_start;
3217 info->duration = duration;
3218 mov_write_tfrf_tags(s->pb, mov, track);
3220 mov_write_moof_tag(s->pb, mov, moof_tracks);
3221 info->tfrf_offset = track->tfrf_offset;
3224 avio_wb32(s->pb, mdat_size + 8);
3225 ffio_wfourcc(s->pb, "mdat");
3229 track->frag_start += duration;
3231 if (!track->mdat_buf)
3233 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3234 track->mdat_buf = NULL;
3236 avio_write(s->pb, buf, buf_size);
3246 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3248 MOVMuxContext *mov = s->priv_data;
3249 AVIOContext *pb = s->pb;
3250 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3251 AVCodecContext *enc = trk->enc;
3252 unsigned int samples_in_chunk = 0;
3253 int size = pkt->size;
3254 uint8_t *reformatted_data = NULL;
3256 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3258 if (mov->fragments > 0) {
3259 if (!trk->mdat_buf) {
3260 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3265 if (!mov->mdat_buf) {
3266 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3273 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3274 /* We must find out how many AMR blocks there are in one packet */
3275 static uint16_t packed_size[16] =
3276 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3279 while (len < size && samples_in_chunk < 100) {
3280 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3283 if (samples_in_chunk > 1) {
3284 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3287 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3288 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3289 samples_in_chunk = enc->frame_size;
3290 } else if (trk->sample_size)
3291 samples_in_chunk = size / trk->sample_size;
3293 samples_in_chunk = 1;
3295 /* copy extradata if it exists */
3296 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3297 trk->vos_len = enc->extradata_size;
3298 trk->vos_data = av_malloc(trk->vos_len);
3299 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3302 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3303 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3304 if (!s->streams[pkt->stream_index]->nb_frames) {
3305 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3306 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3307 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3310 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3312 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3313 /* from x264 or from bytestream h264 */
3314 /* nal reformating needed */
3315 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3316 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3318 avio_write(pb, reformatted_data, size);
3320 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3323 avio_write(pb, pkt->data, size);
3326 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3327 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3328 /* copy frame to create needed atoms */
3329 trk->vos_len = size;
3330 trk->vos_data = av_malloc(size);
3332 return AVERROR(ENOMEM);
3333 memcpy(trk->vos_data, pkt->data, size);
3336 if (trk->entry >= trk->cluster_capacity) {
3337 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3338 if (av_reallocp_array(&trk->cluster, new_capacity,
3339 sizeof(*trk->cluster)))
3340 return AVERROR(ENOMEM);
3341 trk->cluster_capacity = new_capacity;
3344 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3345 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3346 trk->cluster[trk->entry].chunkNum = 0;
3347 trk->cluster[trk->entry].size = size;
3348 trk->cluster[trk->entry].entries = samples_in_chunk;
3349 trk->cluster[trk->entry].dts = pkt->dts;
3350 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3351 /* First packet of a new fragment. We already wrote the duration
3352 * of the last packet of the previous fragment based on track_duration,
3353 * which might not exactly match our dts. Therefore adjust the dts
3354 * of this packet to be what the previous packets duration implies. */
3355 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3357 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3358 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3360 if (trk->start_dts == AV_NOPTS_VALUE)
3361 trk->start_dts = pkt->dts;
3362 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3363 trk->last_sample_is_subtitle_end = 0;
3365 if (pkt->pts == AV_NOPTS_VALUE) {
3366 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3367 pkt->pts = pkt->dts;
3369 if (pkt->dts != pkt->pts)
3370 trk->flags |= MOV_TRACK_CTTS;
3371 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3372 trk->cluster[trk->entry].flags = 0;
3373 if (enc->codec_id == AV_CODEC_ID_VC1) {
3374 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3375 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3376 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3377 trk->entry > 0) { // force sync sample for the first key frame
3378 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3379 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3380 trk->flags |= MOV_TRACK_STPS;
3382 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3384 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3385 trk->has_keyframes++;
3388 trk->sample_count += samples_in_chunk;
3389 mov->mdat_size += size;
3391 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3392 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3393 reformatted_data, size);
3394 av_free(reformatted_data);
3398 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3400 MOVMuxContext *mov = s->priv_data;
3401 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3402 AVCodecContext *enc = trk->enc;
3403 int64_t frag_duration = 0;
3404 int size = pkt->size;
3407 return 0; /* Discard 0 sized packets */
3409 if (trk->entry && pkt->stream_index < s->nb_streams)
3410 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3411 s->streams[pkt->stream_index]->time_base,
3413 if ((mov->max_fragment_duration &&
3414 frag_duration >= mov->max_fragment_duration) ||
3415 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3416 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3417 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3418 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3419 if (frag_duration >= mov->min_fragment_duration)
3420 mov_flush_fragment(s);
3423 return ff_mov_write_packet(s, pkt);
3426 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3430 uint8_t data[2] = {0};
3433 av_init_packet(&end);
3434 end.size = sizeof(data);
3439 end.stream_index = stream_index;
3441 ret = mov_write_single_packet(s, &end);
3442 av_free_packet(&end);
3447 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3450 mov_flush_fragment(s);
3454 MOVMuxContext *mov = s->priv_data;
3456 if (!pkt->size) return 0; /* Discard 0 sized packets */
3459 * Subtitles require special handling.
3461 * 1) For full complaince, every track must have a sample at
3462 * dts == 0, which is rarely true for subtitles. So, as soon
3463 * as we see any packet with dts > 0, write an empty subtitle
3464 * at dts == 0 for any subtitle track with no samples in it.
3466 * 2) For each subtitle track, check if the current packet's
3467 * dts is past the duration of the last subtitle sample. If
3468 * so, we now need to write an end sample for that subtitle.
3470 * This must be done conditionally to allow for subtitles that
3471 * immediately replace each other, in which case an end sample
3472 * is not needed, and is, in fact, actively harmful.
3474 * 3) See mov_write_trailer for how the final end sample is
3477 for (i = 0; i < mov->nb_streams; i++) {
3478 MOVTrack *trk = &mov->tracks[i];
3481 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3482 trk->track_duration < pkt->dts &&
3483 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3484 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3485 if (ret < 0) return ret;
3486 trk->last_sample_is_subtitle_end = 1;
3490 return mov_write_single_packet(s, pkt);
3494 // QuickTime chapters involve an additional text track with the chapter names
3495 // as samples, and a tref pointing from the other tracks to the chapter one.
3496 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3500 MOVMuxContext *mov = s->priv_data;
3501 MOVTrack *track = &mov->tracks[tracknum];
3502 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3505 track->mode = mov->mode;
3506 track->tag = MKTAG('t','e','x','t');
3507 track->timescale = MOV_TIMESCALE;
3508 track->enc = avcodec_alloc_context3(NULL);
3510 return AVERROR(ENOMEM);
3511 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3513 // These properties are required to make QT recognize the chapter track
3514 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3515 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
3516 return AVERROR(ENOMEM);
3517 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3519 if (avio_open_dyn_buf(&pb) >= 0) {
3523 /* Stub header (usually for Quicktime chapter track) */
3525 avio_wb32(pb, 0x01); // displayFlags
3526 avio_w8(pb, 0x00); // horizontal justification
3527 avio_w8(pb, 0x00); // vertical justification
3528 avio_w8(pb, 0x00); // bgColourRed
3529 avio_w8(pb, 0x00); // bgColourGreen
3530 avio_w8(pb, 0x00); // bgColourBlue
3531 avio_w8(pb, 0x00); // bgColourAlpha
3533 avio_wb16(pb, 0x00); // defTextBoxTop
3534 avio_wb16(pb, 0x00); // defTextBoxLeft
3535 avio_wb16(pb, 0x00); // defTextBoxBottom
3536 avio_wb16(pb, 0x00); // defTextBoxRight
3538 avio_wb16(pb, 0x00); // startChar
3539 avio_wb16(pb, 0x00); // endChar
3540 avio_wb16(pb, 0x01); // fontID
3541 avio_w8(pb, 0x00); // fontStyleFlags
3542 avio_w8(pb, 0x00); // fontSize
3543 avio_w8(pb, 0x00); // fgColourRed
3544 avio_w8(pb, 0x00); // fgColourGreen
3545 avio_w8(pb, 0x00); // fgColourBlue
3546 avio_w8(pb, 0x00); // fgColourAlpha
3548 avio_wb32(pb, 0x0D); // box size
3549 ffio_wfourcc(pb, "ftab"); // box atom name
3550 avio_wb16(pb, 0x01); // entry count
3552 avio_wb16(pb, 0x01); // font ID
3553 avio_w8(pb, 0x00); // font name length
3555 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3556 track->enc->extradata = buf;
3557 track->enc->extradata_size = size;
3564 for (i = 0; i < s->nb_chapters; i++) {
3565 AVChapter *c = s->chapters[i];
3566 AVDictionaryEntry *t;
3568 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3569 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3570 pkt.duration = end - pkt.dts;
3572 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3573 len = strlen(t->value);
3575 pkt.data = av_malloc(pkt.size);
3577 return AVERROR(ENOMEM);
3578 AV_WB16(pkt.data, len);
3579 memcpy(pkt.data + 2, t->value, len);
3580 ff_mov_write_packet(s, &pkt);
3581 av_freep(&pkt.data);
3588 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3591 MOVMuxContext *mov = s->priv_data;
3592 MOVTrack *track = &mov->tracks[index];
3593 AVStream *src_st = s->streams[src_index];
3595 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3596 AVRational rate = find_fps(s, src_st);
3598 /* compute the frame number */
3599 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3603 /* tmcd track based on video stream */
3604 track->mode = mov->mode;
3605 track->tag = MKTAG('t','m','c','d');
3606 track->src_track = src_index;
3607 track->timescale = mov->tracks[src_index].timescale;
3608 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3609 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3611 /* encode context: tmcd data stream */
3612 track->enc = avcodec_alloc_context3(NULL);
3613 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3614 track->enc->codec_tag = track->tag;
3615 track->enc->time_base = av_inv_q(rate);
3617 /* the tmcd track just contains one packet with the frame number */
3618 pkt.data = av_malloc(pkt.size);
3619 AV_WB32(pkt.data, tc.start);
3620 ret = ff_mov_write_packet(s, &pkt);
3626 * st->disposition controls the "enabled" flag in the tkhd tag.
3627 * QuickTime will not play a track if it is not enabled. So make sure
3628 * that one track of each type (audio, video, subtitle) is enabled.
3630 * Subtitles are special. For audio and video, setting "enabled" also
3631 * makes the track "default" (i.e. it is rendered when played). For
3632 * subtitles, an "enabled" subtitle is not rendered by default, but
3633 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3636 static void enable_tracks(AVFormatContext *s)
3638 MOVMuxContext *mov = s->priv_data;
3640 uint8_t enabled[AVMEDIA_TYPE_NB];
3641 int first[AVMEDIA_TYPE_NB];
3643 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3648 for (i = 0; i < s->nb_streams; i++) {
3649 AVStream *st = s->streams[i];
3651 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3652 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3655 if (first[st->codec->codec_type] < 0)
3656 first[st->codec->codec_type] = i;
3657 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3658 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3659 enabled[st->codec->codec_type] = 1;
3663 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3665 case AVMEDIA_TYPE_VIDEO:
3666 case AVMEDIA_TYPE_AUDIO:
3667 case AVMEDIA_TYPE_SUBTITLE:
3668 if (!enabled[i] && first[i] >= 0)
3669 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3675 static void mov_free(AVFormatContext *s)
3677 MOVMuxContext *mov = s->priv_data;
3680 if (mov->chapter_track) {
3681 if (mov->tracks[mov->chapter_track].enc)
3682 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
3683 av_freep(&mov->tracks[mov->chapter_track].enc);
3686 for (i = 0; i < mov->nb_streams; i++) {
3687 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3688 ff_mov_close_hinting(&mov->tracks[i]);
3689 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3690 av_freep(&mov->tracks[i].enc);
3691 av_freep(&mov->tracks[i].cluster);
3692 av_freep(&mov->tracks[i].frag_info);
3694 if (mov->tracks[i].vos_len)
3695 av_freep(&mov->tracks[i].vos_data);
3698 av_freep(&mov->tracks);
3701 static int mov_write_header(AVFormatContext *s)
3703 AVIOContext *pb = s->pb;
3704 MOVMuxContext *mov = s->priv_data;
3705 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3706 int i, hint_track = 0, tmcd_track = 0;
3708 /* Default mode == MP4 */
3709 mov->mode = MODE_MP4;
3711 if (s->oformat != NULL) {
3712 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3713 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3714 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3715 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3716 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3717 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3718 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3721 /* Set the FRAGMENT flag if any of the fragmentation methods are
3723 if (mov->max_fragment_duration || mov->max_fragment_size ||
3724 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3725 FF_MOV_FLAG_FRAG_KEYFRAME |
3726 FF_MOV_FLAG_FRAG_CUSTOM))
3727 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3729 /* Set other implicit flags immediately */
3730 if (mov->mode == MODE_ISM)
3731 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3732 FF_MOV_FLAG_FRAGMENT;
3734 /* faststart: moov at the beginning of the file, if supported */
3735 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3736 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3737 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3738 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3739 "with fragmentation and custom IO, disabling faststart\n");
3740 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3742 mov->reserved_moov_size = -1;
3745 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3746 s->avoid_negative_ts = 1;
3749 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3750 * is enabled, we don't support non-seekable output at all. */
3751 if (!s->pb->seekable &&
3752 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3753 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3754 return AVERROR(EINVAL);
3757 mov_write_ftyp_tag(pb,s);
3758 if (mov->mode == MODE_PSP) {
3759 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3760 for (i = 0; i < s->nb_streams; i++) {
3761 AVStream *st = s->streams[i];
3762 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3764 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3770 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3771 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3772 return AVERROR(EINVAL);
3774 mov_write_uuidprof_tag(pb, s);
3777 mov->nb_streams = s->nb_streams;
3778 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3779 mov->chapter_track = mov->nb_streams++;
3781 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3782 /* Add hint tracks for each audio and video stream */
3783 hint_track = mov->nb_streams;
3784 for (i = 0; i < s->nb_streams; i++) {
3785 AVStream *st = s->streams[i];
3786 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3787 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3793 if (mov->mode == MODE_MOV) {
3794 tmcd_track = mov->nb_streams;
3796 /* +1 tmcd track for each video stream with a timecode */
3797 for (i = 0; i < s->nb_streams; i++) {
3798 AVStream *st = s->streams[i];
3799 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3800 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3801 mov->nb_meta_tmcd++;
3804 /* check if there is already a tmcd track to remux */
3805 if (mov->nb_meta_tmcd) {
3806 for (i = 0; i < s->nb_streams; i++) {
3807 AVStream *st = s->streams[i];
3808 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3809 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3810 "so timecode metadata are now ignored\n");
3811 mov->nb_meta_tmcd = 0;
3816 mov->nb_streams += mov->nb_meta_tmcd;
3819 // Reserve an extra stream for chapters for the case where chapters
3820 // are written in the trailer
3821 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3823 return AVERROR(ENOMEM);
3825 for (i = 0; i < s->nb_streams; i++) {
3826 AVStream *st= s->streams[i];
3827 MOVTrack *track= &mov->tracks[i];
3828 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3830 track->enc = st->codec;
3832 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3833 if (track->language < 0)
3834 track->language = 0;
3835 track->mode = mov->mode;
3836 track->tag = mov_find_codec_tag(s, track);
3838 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3839 "codec not currently supported in container\n", i);
3842 /* If hinting of this track is enabled by a later hint track,
3843 * this is updated. */
3844 track->hint_track = -1;
3845 track->start_dts = AV_NOPTS_VALUE;
3846 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3847 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3848 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3849 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3850 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3851 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3854 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3856 if (mov->video_track_timescale) {
3857 track->timescale = mov->video_track_timescale;
3859 track->timescale = st->codec->time_base.den;
3860 while(track->timescale < 10000)
3861 track->timescale *= 2;
3863 if (track->mode == MODE_MOV && track->timescale > 100000)
3864 av_log(s, AV_LOG_WARNING,
3865 "WARNING codec timebase is very high. If duration is too long,\n"
3866 "file may not be playable by quicktime. Specify a shorter timebase\n"
3867 "or choose different container.\n");
3868 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3869 track->timescale = st->codec->sample_rate;
3870 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3871 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3872 track->audio_vbr = 1;
3873 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3874 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3875 st->codec->codec_id == AV_CODEC_ID_ILBC){
3876 if (!st->codec->block_align) {
3877 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3880 track->sample_size = st->codec->block_align;
3881 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3882 track->audio_vbr = 1;
3884 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3886 if (st->codec->codec_id == AV_CODEC_ID_ILBC) {
3887 track->audio_vbr = 1;
3889 if (track->mode != MODE_MOV &&
3890 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3891 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3892 i, track->enc->sample_rate);
3895 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3896 track->timescale = st->codec->time_base.den;
3897 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3898 track->timescale = st->codec->time_base.den;
3900 track->timescale = MOV_TIMESCALE;
3903 track->height = st->codec->height;
3904 /* The ism specific timescale isn't mandatory, but is assumed by
3905 * some tools, such as mp4split. */
3906 if (mov->mode == MODE_ISM)
3907 track->timescale = 10000000;
3909 avpriv_set_pts_info(st, 64, 1, track->timescale);
3911 /* copy extradata if it exists */
3912 if (st->codec->extradata_size) {
3913 track->vos_len = st->codec->extradata_size;
3914 track->vos_data = av_malloc(track->vos_len);
3915 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3921 if (mov->mode == MODE_ISM) {
3922 /* If no fragmentation options have been set, set a default. */
3923 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3924 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3925 !mov->max_fragment_duration && !mov->max_fragment_size)
3926 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3929 if (mov->reserved_moov_size){
3930 mov->reserved_moov_pos= avio_tell(pb);
3931 if (mov->reserved_moov_size > 0)
3932 avio_skip(pb, mov->reserved_moov_size);
3935 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3936 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3937 mov->reserved_moov_pos = avio_tell(pb);
3938 mov_write_mdat_tag(pb, mov);
3941 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3942 mov->time = ff_iso8601_to_unix_time(t->value);
3944 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3946 if (mov->chapter_track)
3947 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3950 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3951 /* Initialize the hint tracks for each audio and video stream */
3952 for (i = 0; i < s->nb_streams; i++) {
3953 AVStream *st = s->streams[i];
3954 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3955 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3956 if (ff_mov_init_hinting(s, hint_track, i) < 0)
3963 if (mov->nb_meta_tmcd) {
3964 /* Initialize the tmcd tracks */
3965 for (i = 0; i < s->nb_streams; i++) {
3966 AVStream *st = s->streams[i];
3969 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3971 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3974 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3983 if (mov->flags & FF_MOV_FLAG_ISML)
3984 mov_write_isml_manifest(pb, mov);
3986 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3987 mov_write_moov_tag(pb, mov, s);
3997 static int get_moov_size(AVFormatContext *s)
4000 AVIOContext *moov_buf;
4001 MOVMuxContext *mov = s->priv_data;
4003 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4005 mov_write_moov_tag(moov_buf, mov, s);
4006 return ffio_close_null_buf(moov_buf);
4010 * This function gets the moov size if moved to the top of the file: the chunk
4011 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4012 * entries) when the moov is moved to the beginning, so the size of the moov
4013 * would change. It also updates the chunk offset tables.
4015 static int compute_moov_size(AVFormatContext *s)
4017 int i, moov_size, moov_size2;
4018 MOVMuxContext *mov = s->priv_data;
4020 moov_size = get_moov_size(s);
4024 for (i = 0; i < mov->nb_streams; i++)
4025 mov->tracks[i].data_offset += moov_size;
4027 moov_size2 = get_moov_size(s);
4031 /* if the size changed, we just switched from stco to co64 and need to
4032 * update the offsets */
4033 if (moov_size2 != moov_size)
4034 for (i = 0; i < mov->nb_streams; i++)
4035 mov->tracks[i].data_offset += moov_size2 - moov_size;
4040 static int shift_data(AVFormatContext *s)
4042 int ret = 0, moov_size;
4043 MOVMuxContext *mov = s->priv_data;
4044 int64_t pos, pos_end = avio_tell(s->pb);
4045 uint8_t *buf, *read_buf[2];
4046 int read_buf_id = 0;
4048 AVIOContext *read_pb;
4050 moov_size = compute_moov_size(s);
4054 buf = av_malloc(moov_size * 2);
4056 return AVERROR(ENOMEM);
4058 read_buf[1] = buf + moov_size;
4060 /* Shift the data: the AVIO context of the output can only be used for
4061 * writing, so we re-open the same output, but for reading. It also avoids
4062 * a read/seek/write/seek back and forth. */
4064 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4066 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4067 "the second pass (faststart)\n", s->filename);
4071 /* mark the end of the shift to up to the last data we wrote, and get ready
4073 pos_end = avio_tell(s->pb);
4074 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4076 /* start reading at where the new moov will be placed */
4077 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4078 pos = avio_tell(read_pb);
4080 #define READ_BLOCK do { \
4081 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4085 /* shift data by chunk of at most moov_size */
4090 n = read_size[read_buf_id];
4093 avio_write(s->pb, read_buf[read_buf_id], n);
4095 } while (pos < pos_end);
4096 avio_close(read_pb);
4103 static int mov_write_trailer(AVFormatContext *s)
4105 MOVMuxContext *mov = s->priv_data;
4106 AVIOContext *pb = s->pb;
4112 * Before actually writing the trailer, make sure that there are no
4113 * dangling subtitles, that need a terminating sample.
4115 for (i = 0; i < mov->nb_streams; i++) {
4116 MOVTrack *trk = &mov->tracks[i];
4117 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4118 !trk->last_sample_is_subtitle_end) {
4119 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4120 trk->last_sample_is_subtitle_end = 1;
4124 // If there were no chapters when the header was written, but there
4125 // are chapters now, write them in the trailer. This only works
4126 // when we are not doing fragments.
4127 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4128 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4129 mov->chapter_track = mov->nb_streams++;
4130 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4135 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4136 moov_pos = avio_tell(pb);
4138 /* Write size of mdat tag */
4139 if (mov->mdat_size + 8 <= UINT32_MAX) {
4140 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4141 avio_wb32(pb, mov->mdat_size + 8);
4143 /* overwrite 'wide' placeholder atom */
4144 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4145 /* special value: real atom size will be 64 bit value after
4148 ffio_wfourcc(pb, "mdat");
4149 avio_wb64(pb, mov->mdat_size + 16);
4151 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4153 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4154 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4155 res = shift_data(s);
4157 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4158 mov_write_moov_tag(pb, mov, s);
4160 } else if (mov->reserved_moov_size > 0) {
4162 mov_write_moov_tag(pb, mov, s);
4163 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4165 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4168 avio_wb32(pb, size);
4169 ffio_wfourcc(pb, "free");
4170 for (i = 0; i < size; i++)
4172 avio_seek(pb, moov_pos, SEEK_SET);
4174 mov_write_moov_tag(pb, mov, s);
4177 mov_flush_fragment(s);
4178 mov_write_mfra_tag(pb, mov);
4181 for (i = 0; i < mov->nb_streams; i++) {
4182 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4183 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4184 int64_t off = avio_tell(pb);
4186 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4187 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4188 avio_write(pb, buf, 7);
4189 avio_seek(pb, off, SEEK_SET);
4200 #if CONFIG_MOV_MUXER
4202 AVOutputFormat ff_mov_muxer = {
4204 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4205 .extensions = "mov",
4206 .priv_data_size = sizeof(MOVMuxContext),
4207 .audio_codec = AV_CODEC_ID_AAC,
4208 .video_codec = CONFIG_LIBX264_ENCODER ?
4209 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4210 .write_header = mov_write_header,
4211 .write_packet = mov_write_packet,
4212 .write_trailer = mov_write_trailer,
4213 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4214 .codec_tag = (const AVCodecTag* const []){
4215 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4217 .priv_class = &mov_muxer_class,
4220 #if CONFIG_TGP_MUXER
4222 AVOutputFormat ff_tgp_muxer = {
4224 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4225 .extensions = "3gp",
4226 .priv_data_size = sizeof(MOVMuxContext),
4227 .audio_codec = AV_CODEC_ID_AMR_NB,
4228 .video_codec = AV_CODEC_ID_H263,
4229 .write_header = mov_write_header,
4230 .write_packet = mov_write_packet,
4231 .write_trailer = mov_write_trailer,
4232 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4233 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4234 .priv_class = &tgp_muxer_class,
4237 #if CONFIG_MP4_MUXER
4239 AVOutputFormat ff_mp4_muxer = {
4241 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4242 .mime_type = "application/mp4",
4243 .extensions = "mp4",
4244 .priv_data_size = sizeof(MOVMuxContext),
4245 .audio_codec = AV_CODEC_ID_AAC,
4246 .video_codec = CONFIG_LIBX264_ENCODER ?
4247 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4248 .write_header = mov_write_header,
4249 .write_packet = mov_write_packet,
4250 .write_trailer = mov_write_trailer,
4251 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4252 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4253 .priv_class = &mp4_muxer_class,
4256 #if CONFIG_PSP_MUXER
4258 AVOutputFormat ff_psp_muxer = {
4260 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4261 .extensions = "mp4,psp",
4262 .priv_data_size = sizeof(MOVMuxContext),
4263 .audio_codec = AV_CODEC_ID_AAC,
4264 .video_codec = CONFIG_LIBX264_ENCODER ?
4265 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4266 .write_header = mov_write_header,
4267 .write_packet = mov_write_packet,
4268 .write_trailer = mov_write_trailer,
4269 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4270 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4271 .priv_class = &psp_muxer_class,
4274 #if CONFIG_TG2_MUXER
4276 AVOutputFormat ff_tg2_muxer = {
4278 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4279 .extensions = "3g2",
4280 .priv_data_size = sizeof(MOVMuxContext),
4281 .audio_codec = AV_CODEC_ID_AMR_NB,
4282 .video_codec = AV_CODEC_ID_H263,
4283 .write_header = mov_write_header,
4284 .write_packet = mov_write_packet,
4285 .write_trailer = mov_write_trailer,
4286 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4287 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4288 .priv_class = &tg2_muxer_class,
4291 #if CONFIG_IPOD_MUXER
4293 AVOutputFormat ff_ipod_muxer = {
4295 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4296 .mime_type = "application/mp4",
4297 .extensions = "m4v,m4a",
4298 .priv_data_size = sizeof(MOVMuxContext),
4299 .audio_codec = AV_CODEC_ID_AAC,
4300 .video_codec = AV_CODEC_ID_H264,
4301 .write_header = mov_write_header,
4302 .write_packet = mov_write_packet,
4303 .write_trailer = mov_write_trailer,
4304 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4305 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4306 .priv_class = &ipod_muxer_class,
4309 #if CONFIG_ISMV_MUXER
4311 AVOutputFormat ff_ismv_muxer = {
4313 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4314 .mime_type = "application/mp4",
4315 .extensions = "ismv,isma",
4316 .priv_data_size = sizeof(MOVMuxContext),
4317 .audio_codec = AV_CODEC_ID_AAC,
4318 .video_codec = AV_CODEC_ID_H264,
4319 .write_header = mov_write_header,
4320 .write_packet = mov_write_packet,
4321 .write_trailer = mov_write_trailer,
4322 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4323 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4324 .priv_class = &ismv_muxer_class,
4327 #if CONFIG_F4V_MUXER
4329 AVOutputFormat ff_f4v_muxer = {
4331 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4332 .mime_type = "application/f4v",
4333 .extensions = "f4v",
4334 .priv_data_size = sizeof(MOVMuxContext),
4335 .audio_codec = AV_CODEC_ID_AAC,
4336 .video_codec = AV_CODEC_ID_H264,
4337 .write_header = mov_write_header,
4338 .write_packet = mov_write_packet,
4339 .write_trailer = mov_write_trailer,
4340 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4341 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4342 .priv_class = &f4v_muxer_class,