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_VP6F, MKTAG('V','P','6','F') },
1055 { AV_CODEC_ID_NONE, 0 },
1058 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1062 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1063 tag = mp4_get_codec_tag(s, track);
1064 else if (track->mode == MODE_ISM) {
1065 tag = mp4_get_codec_tag(s, track);
1066 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1067 tag = MKTAG('w', 'm', 'a', ' ');
1068 } else if (track->mode == MODE_IPOD)
1069 tag = ipod_get_codec_tag(s, track);
1070 else if (track->mode & MODE_3GP)
1071 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1072 else if (track->mode & MODE_F4V)
1073 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1075 tag = mov_get_codec_tag(s, track);
1080 /** Write uuid atom.
1081 * Needed to make file play in iPods running newest firmware
1082 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1084 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1087 ffio_wfourcc(pb, "uuid");
1088 avio_wb32(pb, 0x6b6840f2);
1089 avio_wb32(pb, 0x5f244fc5);
1090 avio_wb32(pb, 0xba39a51b);
1091 avio_wb32(pb, 0xcf0323f3);
1096 static const uint16_t fiel_data[] = {
1097 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1100 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1102 unsigned mov_field_order = 0;
1103 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1104 mov_field_order = fiel_data[track->enc->field_order];
1108 ffio_wfourcc(pb, "fiel");
1109 avio_wb16(pb, mov_field_order);
1113 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1115 int64_t pos = avio_tell(pb);
1116 avio_wb32(pb, 0); /* size */
1117 avio_wl32(pb, track->tag); // store it byteswapped
1118 avio_wb32(pb, 0); /* Reserved */
1119 avio_wb16(pb, 0); /* Reserved */
1120 avio_wb16(pb, 1); /* Data-reference index */
1122 if (track->enc->extradata_size)
1123 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1125 return update_size(pb, pos);
1128 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1131 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1132 track->enc->sample_aspect_ratio.den, INT_MAX);
1135 ffio_wfourcc(pb, "pasp");
1136 avio_wb32(pb, sar.num);
1137 avio_wb32(pb, sar.den);
1141 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1143 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1144 || (track->enc->width == 1440 && track->enc->height == 1080)
1145 || (track->enc->width == 1920 && track->enc->height == 1080);
1147 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) {
1148 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1149 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1150 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1151 AVStream *st = track->st;
1152 int rate = av_q2d(find_fps(NULL, st));
1153 av_strlcatf(compressor_name, len, "XDCAM");
1154 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1155 av_strlcatf(compressor_name, len, " HD422");
1156 } else if(track->enc->width == 1440) {
1157 av_strlcatf(compressor_name, len, " HD");
1159 av_strlcatf(compressor_name, len, " EX");
1161 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1163 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1167 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1169 int64_t pos = avio_tell(pb);
1170 char compressor_name[32] = { 0 };
1172 avio_wb32(pb, 0); /* size */
1173 avio_wl32(pb, track->tag); // store it byteswapped
1174 avio_wb32(pb, 0); /* Reserved */
1175 avio_wb16(pb, 0); /* Reserved */
1176 avio_wb16(pb, 1); /* Data-reference index */
1178 avio_wb16(pb, 0); /* Codec stream version */
1179 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1180 if (track->mode == MODE_MOV) {
1181 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1182 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1183 avio_wb32(pb, 0); /* Temporal Quality */
1184 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1186 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1187 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1190 avio_wb32(pb, 0); /* Reserved */
1191 avio_wb32(pb, 0); /* Reserved */
1192 avio_wb32(pb, 0); /* Reserved */
1194 avio_wb16(pb, track->enc->width); /* Video width */
1195 avio_wb16(pb, track->height); /* Video height */
1196 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1197 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1198 avio_wb32(pb, 0); /* Data size (= 0) */
1199 avio_wb16(pb, 1); /* Frame count (= 1) */
1201 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1202 find_compressor(compressor_name, 32, track);
1203 avio_w8(pb, strlen(compressor_name));
1204 avio_write(pb, compressor_name, 31);
1206 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1207 avio_wb16(pb, track->enc->bits_per_coded_sample);
1209 avio_wb16(pb, 0x18); /* Reserved */
1210 avio_wb16(pb, 0xffff); /* Reserved */
1211 if (track->tag == MKTAG('m','p','4','v'))
1212 mov_write_esds_tag(pb, track);
1213 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1214 mov_write_d263_tag(pb);
1215 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1216 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1217 mov_write_extradata_tag(pb, track);
1219 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1220 mov_write_avid_tag(pb, track);
1221 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1222 mov_write_avcc_tag(pb, track);
1223 if (track->mode == MODE_IPOD)
1224 mov_write_uuid_tag_ipod(pb);
1225 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1226 mov_write_dvc1_tag(pb, track);
1227 else if (track->vos_len > 0)
1228 mov_write_glbl_tag(pb, track);
1230 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1231 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1232 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1233 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1234 mov_write_fiel_tag(pb, track);
1236 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1237 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1238 mov_write_pasp_tag(pb, track);
1241 return update_size(pb, pos);
1244 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1246 int64_t pos = avio_tell(pb);
1247 avio_wb32(pb, 0); /* size */
1248 ffio_wfourcc(pb, "rtp ");
1249 avio_wb32(pb, 0); /* Reserved */
1250 avio_wb16(pb, 0); /* Reserved */
1251 avio_wb16(pb, 1); /* Data-reference index */
1253 avio_wb16(pb, 1); /* Hint track version */
1254 avio_wb16(pb, 1); /* Highest compatible version */
1255 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1257 avio_wb32(pb, 12); /* size */
1258 ffio_wfourcc(pb, "tims");
1259 avio_wb32(pb, track->timescale);
1261 return update_size(pb, pos);
1264 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1266 int64_t pos = avio_tell(pb);
1268 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1269 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1271 if (nb_frames > 255) {
1272 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1273 return AVERROR(EINVAL);
1276 avio_wb32(pb, 0); /* size */
1277 ffio_wfourcc(pb, "tmcd"); /* Data format */
1278 avio_wb32(pb, 0); /* Reserved */
1279 avio_wb32(pb, 1); /* Data reference index */
1280 avio_wb32(pb, 0); /* Flags */
1281 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1282 avio_wb32(pb, track->timescale); /* Timescale */
1283 avio_wb32(pb, frame_duration); /* Frame duration */
1284 avio_w8(pb, nb_frames); /* Number of frames */
1285 avio_wb24(pb, 0); /* Reserved */
1286 /* TODO: source reference string */
1289 avio_wb32(pb, 0); /* size */
1290 ffio_wfourcc(pb, "tmcd"); /* Data format */
1291 avio_wb32(pb, 0); /* Reserved */
1292 avio_wb32(pb, 1); /* Data reference index */
1293 if (track->enc->extradata_size)
1294 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1296 return update_size(pb, pos);
1299 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1301 int64_t pos = avio_tell(pb);
1302 avio_wb32(pb, 0); /* size */
1303 ffio_wfourcc(pb, "stsd");
1304 avio_wb32(pb, 0); /* version & flags */
1305 avio_wb32(pb, 1); /* entry count */
1306 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1307 mov_write_video_tag(pb, track);
1308 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1309 mov_write_audio_tag(pb, track);
1310 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1311 mov_write_subtitle_tag(pb, track);
1312 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1313 mov_write_rtp_tag(pb, track);
1314 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1315 mov_write_tmcd_tag(pb, track);
1316 return update_size(pb, pos);
1319 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1321 MOVStts *ctts_entries;
1322 uint32_t entries = 0;
1326 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1327 ctts_entries[0].count = 1;
1328 ctts_entries[0].duration = track->cluster[0].cts;
1329 for (i = 1; i < track->entry; i++) {
1330 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1331 ctts_entries[entries].count++; /* compress */
1334 ctts_entries[entries].duration = track->cluster[i].cts;
1335 ctts_entries[entries].count = 1;
1338 entries++; /* last one */
1339 atom_size = 16 + (entries * 8);
1340 avio_wb32(pb, atom_size); /* size */
1341 ffio_wfourcc(pb, "ctts");
1342 avio_wb32(pb, 0); /* version & flags */
1343 avio_wb32(pb, entries); /* entry count */
1344 for (i = 0; i < entries; i++) {
1345 avio_wb32(pb, ctts_entries[i].count);
1346 avio_wb32(pb, ctts_entries[i].duration);
1348 av_free(ctts_entries);
1352 /* Time to sample atom */
1353 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1355 MOVStts *stts_entries;
1356 uint32_t entries = -1;
1360 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1361 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1362 stts_entries[0].count = track->sample_count;
1363 stts_entries[0].duration = 1;
1366 stts_entries = track->entry ?
1367 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1369 for (i = 0; i < track->entry; i++) {
1370 int duration = get_cluster_duration(track, i);
1371 if (i && duration == stts_entries[entries].duration) {
1372 stts_entries[entries].count++; /* compress */
1375 stts_entries[entries].duration = duration;
1376 stts_entries[entries].count = 1;
1379 entries++; /* last one */
1381 atom_size = 16 + (entries * 8);
1382 avio_wb32(pb, atom_size); /* size */
1383 ffio_wfourcc(pb, "stts");
1384 avio_wb32(pb, 0); /* version & flags */
1385 avio_wb32(pb, entries); /* entry count */
1386 for (i = 0; i < entries; i++) {
1387 avio_wb32(pb, stts_entries[i].count);
1388 avio_wb32(pb, stts_entries[i].duration);
1390 av_free(stts_entries);
1394 static int mov_write_dref_tag(AVIOContext *pb)
1396 avio_wb32(pb, 28); /* size */
1397 ffio_wfourcc(pb, "dref");
1398 avio_wb32(pb, 0); /* version & flags */
1399 avio_wb32(pb, 1); /* entry count */
1401 avio_wb32(pb, 0xc); /* size */
1402 //FIXME add the alis and rsrc atom
1403 ffio_wfourcc(pb, "url ");
1404 avio_wb32(pb, 1); /* version & flags */
1409 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1411 int64_t pos = avio_tell(pb);
1412 avio_wb32(pb, 0); /* size */
1413 ffio_wfourcc(pb, "stbl");
1414 mov_write_stsd_tag(pb, track);
1415 mov_write_stts_tag(pb, track);
1416 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1417 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1418 track->has_keyframes && track->has_keyframes < track->entry)
1419 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1420 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1421 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1422 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1423 track->flags & MOV_TRACK_CTTS)
1424 mov_write_ctts_tag(pb, track);
1425 mov_write_stsc_tag(pb, track);
1426 mov_write_stsz_tag(pb, track);
1427 mov_write_stco_tag(pb, track);
1428 return update_size(pb, pos);
1431 static int mov_write_dinf_tag(AVIOContext *pb)
1433 int64_t pos = avio_tell(pb);
1434 avio_wb32(pb, 0); /* size */
1435 ffio_wfourcc(pb, "dinf");
1436 mov_write_dref_tag(pb);
1437 return update_size(pb, pos);
1440 static int mov_write_nmhd_tag(AVIOContext *pb)
1443 ffio_wfourcc(pb, "nmhd");
1448 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1450 int64_t pos = avio_tell(pb);
1451 const char *font = "Lucida Grande";
1452 avio_wb32(pb, 0); /* size */
1453 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1454 avio_wb32(pb, 0); /* version & flags */
1455 avio_wb16(pb, 0); /* text font */
1456 avio_wb16(pb, 0); /* text face */
1457 avio_wb16(pb, 12); /* text size */
1458 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1459 avio_wb16(pb, 0x0000); /* text color (red) */
1460 avio_wb16(pb, 0x0000); /* text color (green) */
1461 avio_wb16(pb, 0x0000); /* text color (blue) */
1462 avio_wb16(pb, 0xffff); /* background color (red) */
1463 avio_wb16(pb, 0xffff); /* background color (green) */
1464 avio_wb16(pb, 0xffff); /* background color (blue) */
1465 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1466 avio_write(pb, font, strlen(font)); /* font name */
1467 return update_size(pb, pos);
1470 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1472 int64_t pos = avio_tell(pb);
1473 avio_wb32(pb, 0); /* size */
1474 ffio_wfourcc(pb, "gmhd");
1475 avio_wb32(pb, 0x18); /* gmin size */
1476 ffio_wfourcc(pb, "gmin");/* generic media info */
1477 avio_wb32(pb, 0); /* version & flags */
1478 avio_wb16(pb, 0x40); /* graphics mode = */
1479 avio_wb16(pb, 0x8000); /* opColor (r?) */
1480 avio_wb16(pb, 0x8000); /* opColor (g?) */
1481 avio_wb16(pb, 0x8000); /* opColor (b?) */
1482 avio_wb16(pb, 0); /* balance */
1483 avio_wb16(pb, 0); /* reserved */
1486 * This special text atom is required for
1487 * Apple Quicktime chapters. The contents
1488 * don't appear to be documented, so the
1489 * bytes are copied verbatim.
1491 if (track->tag != MKTAG('c','6','0','8')) {
1492 avio_wb32(pb, 0x2C); /* size */
1493 ffio_wfourcc(pb, "text");
1494 avio_wb16(pb, 0x01);
1495 avio_wb32(pb, 0x00);
1496 avio_wb32(pb, 0x00);
1497 avio_wb32(pb, 0x00);
1498 avio_wb32(pb, 0x01);
1499 avio_wb32(pb, 0x00);
1500 avio_wb32(pb, 0x00);
1501 avio_wb32(pb, 0x00);
1502 avio_wb32(pb, 0x00004000);
1503 avio_wb16(pb, 0x0000);
1506 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1507 int64_t tmcd_pos = avio_tell(pb);
1508 avio_wb32(pb, 0); /* size */
1509 ffio_wfourcc(pb, "tmcd");
1510 mov_write_tcmi_tag(pb, track);
1511 update_size(pb, tmcd_pos);
1513 return update_size(pb, pos);
1516 static int mov_write_smhd_tag(AVIOContext *pb)
1518 avio_wb32(pb, 16); /* size */
1519 ffio_wfourcc(pb, "smhd");
1520 avio_wb32(pb, 0); /* version & flags */
1521 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1522 avio_wb16(pb, 0); /* reserved */
1526 static int mov_write_vmhd_tag(AVIOContext *pb)
1528 avio_wb32(pb, 0x14); /* size (always 0x14) */
1529 ffio_wfourcc(pb, "vmhd");
1530 avio_wb32(pb, 0x01); /* version & flags */
1531 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1535 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1537 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1538 int64_t pos = avio_tell(pb);
1542 descr = "DataHandler";
1545 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1546 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1548 descr = "VideoHandler";
1549 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1551 descr = "SoundHandler";
1552 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1553 if (track->tag == MKTAG('c','6','0','8')) {
1555 descr = "ClosedCaptionHandler";
1557 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1558 else hdlr_type = "text";
1559 descr = "SubtitleHandler";
1561 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1563 descr = "HintHandler";
1564 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1566 descr = "TimeCodeHandler";
1569 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1570 track->enc->codec_tag);
1572 av_log(track->enc, AV_LOG_WARNING,
1573 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1574 tag_buf, track->enc->codec_tag);
1578 avio_wb32(pb, 0); /* size */
1579 ffio_wfourcc(pb, "hdlr");
1580 avio_wb32(pb, 0); /* Version & flags */
1581 avio_write(pb, hdlr, 4); /* handler */
1582 ffio_wfourcc(pb, hdlr_type); /* handler type */
1583 avio_wb32(pb, 0); /* reserved */
1584 avio_wb32(pb, 0); /* reserved */
1585 avio_wb32(pb, 0); /* reserved */
1586 if (!track || track->mode == MODE_MOV)
1587 avio_w8(pb, strlen(descr)); /* pascal string */
1588 avio_write(pb, descr, strlen(descr)); /* handler description */
1589 if (track && track->mode != MODE_MOV)
1590 avio_w8(pb, 0); /* c string */
1591 return update_size(pb, pos);
1594 static int mov_write_hmhd_tag(AVIOContext *pb)
1596 /* This atom must be present, but leaving the values at zero
1597 * seems harmless. */
1598 avio_wb32(pb, 28); /* size */
1599 ffio_wfourcc(pb, "hmhd");
1600 avio_wb32(pb, 0); /* version, flags */
1601 avio_wb16(pb, 0); /* maxPDUsize */
1602 avio_wb16(pb, 0); /* avgPDUsize */
1603 avio_wb32(pb, 0); /* maxbitrate */
1604 avio_wb32(pb, 0); /* avgbitrate */
1605 avio_wb32(pb, 0); /* reserved */
1609 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1611 int64_t pos = avio_tell(pb);
1612 avio_wb32(pb, 0); /* size */
1613 ffio_wfourcc(pb, "minf");
1614 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1615 mov_write_vmhd_tag(pb);
1616 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1617 mov_write_smhd_tag(pb);
1618 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1619 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1620 mov_write_gmhd_tag(pb, track);
1622 mov_write_nmhd_tag(pb);
1624 } else if (track->tag == MKTAG('r','t','p',' ')) {
1625 mov_write_hmhd_tag(pb);
1626 } else if (track->tag == MKTAG('t','m','c','d')) {
1627 mov_write_gmhd_tag(pb, track);
1629 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1630 mov_write_hdlr_tag(pb, NULL);
1631 mov_write_dinf_tag(pb);
1632 mov_write_stbl_tag(pb, track);
1633 return update_size(pb, pos);
1636 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1638 int version = track->track_duration < INT32_MAX ? 0 : 1;
1640 if (track->mode == MODE_ISM)
1643 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1644 ffio_wfourcc(pb, "mdhd");
1645 avio_w8(pb, version);
1646 avio_wb24(pb, 0); /* flags */
1648 avio_wb64(pb, track->time);
1649 avio_wb64(pb, track->time);
1651 avio_wb32(pb, track->time); /* creation time */
1652 avio_wb32(pb, track->time); /* modification time */
1654 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1656 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1658 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1659 avio_wb16(pb, track->language); /* language */
1660 avio_wb16(pb, 0); /* reserved (quality) */
1662 if (version != 0 && track->mode == MODE_MOV) {
1663 av_log(NULL, AV_LOG_ERROR,
1664 "FATAL error, file duration too long for timebase, this file will not be\n"
1665 "playable with quicktime. Choose a different timebase or a different\n"
1666 "container format\n");
1672 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1674 int64_t pos = avio_tell(pb);
1675 avio_wb32(pb, 0); /* size */
1676 ffio_wfourcc(pb, "mdia");
1677 mov_write_mdhd_tag(pb, track);
1678 mov_write_hdlr_tag(pb, track);
1679 mov_write_minf_tag(pb, track);
1680 return update_size(pb, pos);
1683 /* transformation matrix
1687 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1688 int16_t d, int16_t tx, int16_t ty)
1690 avio_wb32(pb, a << 16); /* 16.16 format */
1691 avio_wb32(pb, b << 16); /* 16.16 format */
1692 avio_wb32(pb, 0); /* u in 2.30 format */
1693 avio_wb32(pb, c << 16); /* 16.16 format */
1694 avio_wb32(pb, d << 16); /* 16.16 format */
1695 avio_wb32(pb, 0); /* v in 2.30 format */
1696 avio_wb32(pb, tx << 16); /* 16.16 format */
1697 avio_wb32(pb, ty << 16); /* 16.16 format */
1698 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1701 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1703 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1704 track->timescale, AV_ROUND_UP);
1705 int version = duration < INT32_MAX ? 0 : 1;
1708 if (track->mode == MODE_ISM)
1711 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1712 ffio_wfourcc(pb, "tkhd");
1713 avio_w8(pb, version);
1714 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1715 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1716 MOV_TKHD_FLAG_IN_MOVIE);
1718 avio_wb64(pb, track->time);
1719 avio_wb64(pb, track->time);
1721 avio_wb32(pb, track->time); /* creation time */
1722 avio_wb32(pb, track->time); /* modification time */
1724 avio_wb32(pb, track->track_id); /* track-id */
1725 avio_wb32(pb, 0); /* reserved */
1727 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1729 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1731 avio_wb32(pb, 0); /* reserved */
1732 avio_wb32(pb, 0); /* reserved */
1733 avio_wb16(pb, 0); /* layer */
1734 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1735 /* Volume, only for audio */
1736 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1737 avio_wb16(pb, 0x0100);
1740 avio_wb16(pb, 0); /* reserved */
1742 /* Matrix structure */
1743 if (st && st->metadata) {
1744 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1745 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1747 if (rotation == 90) {
1748 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1749 } else if (rotation == 180) {
1750 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1751 } else if (rotation == 270) {
1752 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1754 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1756 /* Track width and height, for visual only */
1757 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1758 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1759 if (track->mode == MODE_MOV) {
1760 avio_wb32(pb, track->enc->width << 16);
1761 avio_wb32(pb, track->height << 16);
1763 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1764 if (!sample_aspect_ratio || track->height != track->enc->height)
1765 sample_aspect_ratio = 1;
1766 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1767 avio_wb32(pb, track->height * 0x10000);
1776 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1778 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1779 track->enc->sample_aspect_ratio.den);
1781 int64_t pos = avio_tell(pb);
1783 avio_wb32(pb, 0); /* size */
1784 ffio_wfourcc(pb, "tapt");
1787 ffio_wfourcc(pb, "clef");
1789 avio_wb32(pb, width << 16);
1790 avio_wb32(pb, track->enc->height << 16);
1793 ffio_wfourcc(pb, "prof");
1795 avio_wb32(pb, width << 16);
1796 avio_wb32(pb, track->enc->height << 16);
1799 ffio_wfourcc(pb, "enof");
1801 avio_wb32(pb, track->enc->width << 16);
1802 avio_wb32(pb, track->enc->height << 16);
1804 return update_size(pb, pos);
1807 // This box seems important for the psp playback ... without it the movie seems to hang
1808 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1810 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1811 track->timescale, AV_ROUND_UP);
1812 int version = duration < INT32_MAX ? 0 : 1;
1813 int entry_size, entry_count, size;
1814 int64_t delay, start_ct = track->cluster[0].cts;
1815 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1816 track->timescale, AV_ROUND_DOWN);
1817 version |= delay < INT32_MAX ? 0 : 1;
1819 entry_size = (version == 1) ? 20 : 12;
1820 entry_count = 1 + (delay > 0);
1821 size = 24 + entry_count * entry_size;
1823 /* write the atom data */
1824 avio_wb32(pb, size);
1825 ffio_wfourcc(pb, "edts");
1826 avio_wb32(pb, size - 8);
1827 ffio_wfourcc(pb, "elst");
1828 avio_w8(pb, version);
1829 avio_wb24(pb, 0); /* flags */
1831 avio_wb32(pb, entry_count);
1832 if (delay > 0) { /* add an empty edit to delay presentation */
1834 avio_wb64(pb, delay);
1837 avio_wb32(pb, delay);
1840 avio_wb32(pb, 0x00010000);
1842 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1843 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1849 avio_wb64(pb, duration);
1850 avio_wb64(pb, start_ct);
1852 avio_wb32(pb, duration);
1853 avio_wb32(pb, start_ct);
1855 avio_wb32(pb, 0x00010000);
1859 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1861 avio_wb32(pb, 20); // size
1862 ffio_wfourcc(pb, "tref");
1863 avio_wb32(pb, 12); // size (subatom)
1864 avio_wl32(pb, track->tref_tag);
1865 avio_wb32(pb, track->tref_id);
1869 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1870 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1872 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1873 ffio_wfourcc(pb, "uuid");
1874 ffio_wfourcc(pb, "USMT");
1875 avio_wb32(pb, 0x21d24fce);
1876 avio_wb32(pb, 0xbb88695c);
1877 avio_wb32(pb, 0xfac9c740);
1878 avio_wb32(pb, 0x1c); // another size here!
1879 ffio_wfourcc(pb, "MTDT");
1880 avio_wb32(pb, 0x00010012);
1881 avio_wb32(pb, 0x0a);
1882 avio_wb32(pb, 0x55c40000);
1888 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1890 AVFormatContext *ctx = track->rtp_ctx;
1891 char buf[1000] = "";
1894 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1895 NULL, NULL, 0, 0, ctx);
1896 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1899 avio_wb32(pb, len + 24);
1900 ffio_wfourcc(pb, "udta");
1901 avio_wb32(pb, len + 16);
1902 ffio_wfourcc(pb, "hnti");
1903 avio_wb32(pb, len + 8);
1904 ffio_wfourcc(pb, "sdp ");
1905 avio_write(pb, buf, len);
1909 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1910 MOVTrack *track, AVStream *st)
1912 int64_t pos = avio_tell(pb);
1913 avio_wb32(pb, 0); /* size */
1914 ffio_wfourcc(pb, "trak");
1915 mov_write_tkhd_tag(pb, track, st);
1916 if (supports_edts(mov))
1917 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1918 if (track->tref_tag)
1919 mov_write_tref_tag(pb, track);
1920 mov_write_mdia_tag(pb, track);
1921 if (track->mode == MODE_PSP)
1922 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1923 if (track->tag == MKTAG('r','t','p',' '))
1924 mov_write_udta_sdp(pb, track);
1925 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1926 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1927 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1928 mov_write_tapt_tag(pb, track);
1930 return update_size(pb, pos);
1933 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1935 int i, has_audio = 0, has_video = 0;
1936 int64_t pos = avio_tell(pb);
1937 int audio_profile = mov->iods_audio_profile;
1938 int video_profile = mov->iods_video_profile;
1939 for (i = 0; i < mov->nb_streams; i++) {
1940 if (mov->tracks[i].entry > 0) {
1941 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1942 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1945 if (audio_profile < 0)
1946 audio_profile = 0xFF - has_audio;
1947 if (video_profile < 0)
1948 video_profile = 0xFF - has_video;
1949 avio_wb32(pb, 0x0); /* size */
1950 ffio_wfourcc(pb, "iods");
1951 avio_wb32(pb, 0); /* version & flags */
1952 put_descr(pb, 0x10, 7);
1953 avio_wb16(pb, 0x004f);
1956 avio_w8(pb, audio_profile);
1957 avio_w8(pb, video_profile);
1959 return update_size(pb, pos);
1962 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1964 avio_wb32(pb, 0x20); /* size */
1965 ffio_wfourcc(pb, "trex");
1966 avio_wb32(pb, 0); /* version & flags */
1967 avio_wb32(pb, track->track_id); /* track ID */
1968 avio_wb32(pb, 1); /* default sample description index */
1969 avio_wb32(pb, 0); /* default sample duration */
1970 avio_wb32(pb, 0); /* default sample size */
1971 avio_wb32(pb, 0); /* default sample flags */
1975 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1977 int64_t pos = avio_tell(pb);
1979 avio_wb32(pb, 0x0); /* size */
1980 ffio_wfourcc(pb, "mvex");
1981 for (i = 0; i < mov->nb_streams; i++)
1982 mov_write_trex_tag(pb, &mov->tracks[i]);
1983 return update_size(pb, pos);
1986 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1988 int max_track_id = 1, i;
1989 int64_t max_track_len_temp, max_track_len = 0;
1992 for (i = 0; i < mov->nb_streams; i++) {
1993 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1994 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1996 mov->tracks[i].timescale,
1998 if (max_track_len < max_track_len_temp)
1999 max_track_len = max_track_len_temp;
2000 if (max_track_id < mov->tracks[i].track_id)
2001 max_track_id = mov->tracks[i].track_id;
2005 version = max_track_len < UINT32_MAX ? 0 : 1;
2006 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2007 ffio_wfourcc(pb, "mvhd");
2008 avio_w8(pb, version);
2009 avio_wb24(pb, 0); /* flags */
2011 avio_wb64(pb, mov->time);
2012 avio_wb64(pb, mov->time);
2014 avio_wb32(pb, mov->time); /* creation time */
2015 avio_wb32(pb, mov->time); /* modification time */
2017 avio_wb32(pb, MOV_TIMESCALE);
2018 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2020 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2021 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2022 avio_wb16(pb, 0); /* reserved */
2023 avio_wb32(pb, 0); /* reserved */
2024 avio_wb32(pb, 0); /* reserved */
2026 /* Matrix structure */
2027 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2029 avio_wb32(pb, 0); /* reserved (preview time) */
2030 avio_wb32(pb, 0); /* reserved (preview duration) */
2031 avio_wb32(pb, 0); /* reserved (poster time) */
2032 avio_wb32(pb, 0); /* reserved (selection time) */
2033 avio_wb32(pb, 0); /* reserved (selection duration) */
2034 avio_wb32(pb, 0); /* reserved (current time) */
2035 avio_wb32(pb, max_track_id + 1); /* Next track id */
2039 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2042 avio_wb32(pb, 33); /* size */
2043 ffio_wfourcc(pb, "hdlr");
2046 ffio_wfourcc(pb, "mdir");
2047 ffio_wfourcc(pb, "appl");
2054 /* helper function to write a data tag with the specified string as data */
2055 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2058 int size = 16 + strlen(data);
2059 avio_wb32(pb, size); /* size */
2060 ffio_wfourcc(pb, "data");
2063 avio_write(pb, data, strlen(data));
2067 lang = ff_mov_iso639_to_lang("und", 1);
2068 avio_wb16(pb, strlen(data)); /* string length */
2069 avio_wb16(pb, lang);
2070 avio_write(pb, data, strlen(data));
2071 return strlen(data) + 4;
2075 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2076 const char *value, int lang, int long_style)
2079 if (value && value[0]) {
2080 int64_t pos = avio_tell(pb);
2081 avio_wb32(pb, 0); /* size */
2082 ffio_wfourcc(pb, name);
2083 mov_write_string_data_tag(pb, value, lang, long_style);
2084 size = update_size(pb, pos);
2089 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2090 const char *name, const char *tag,
2093 int l, lang = 0, len, len2;
2094 AVDictionaryEntry *t, *t2 = NULL;
2097 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2100 len = strlen(t->key);
2101 snprintf(tag2, sizeof(tag2), "%s-", tag);
2102 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2103 len2 = strlen(t2->key);
2104 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2105 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2110 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2113 /* iTunes bpm number */
2114 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2116 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2117 int size = 0, tmpo = t ? atoi(t->value) : 0;
2120 avio_wb32(pb, size);
2121 ffio_wfourcc(pb, "tmpo");
2122 avio_wb32(pb, size-8); /* size */
2123 ffio_wfourcc(pb, "data");
2124 avio_wb32(pb, 0x15); //type specifier
2126 avio_wb16(pb, tmpo); // data
2131 /* iTunes track or disc number */
2132 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2133 AVFormatContext *s, int disc)
2135 AVDictionaryEntry *t = av_dict_get(s->metadata,
2136 disc ? "disc" : "track",
2138 int size = 0, track = t ? atoi(t->value) : 0;
2141 char *slash = strchr(t->value, '/');
2143 tracks = atoi(slash + 1);
2144 avio_wb32(pb, 32); /* size */
2145 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2146 avio_wb32(pb, 24); /* size */
2147 ffio_wfourcc(pb, "data");
2148 avio_wb32(pb, 0); // 8 bytes empty
2150 avio_wb16(pb, 0); // empty
2151 avio_wb16(pb, track); // track / disc number
2152 avio_wb16(pb, tracks); // total track / disc number
2153 avio_wb16(pb, 0); // empty
2159 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2160 const char *name, const char *tag,
2163 AVDictionaryEntry *t = NULL;
2165 int size = 24 + len;
2167 if (len != 1 && len != 4)
2170 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2172 num = atoi(t->value);
2174 avio_wb32(pb, size);
2175 ffio_wfourcc(pb, name);
2176 avio_wb32(pb, size - 8);
2177 ffio_wfourcc(pb, "data");
2178 avio_wb32(pb, 0x15);
2180 if (len==4) avio_wb32(pb, num);
2181 else avio_w8 (pb, num);
2186 /* iTunes meta data list */
2187 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2190 int64_t pos = avio_tell(pb);
2191 avio_wb32(pb, 0); /* size */
2192 ffio_wfourcc(pb, "ilst");
2193 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2194 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2195 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2196 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2197 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2198 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2199 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2200 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2201 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2202 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2203 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2204 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2205 mov_write_string_metadata(s, pb, "desc", "description",1);
2206 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2207 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2208 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2209 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2210 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2211 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2212 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2213 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2214 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2215 mov_write_trkn_tag(pb, mov, s, 0); // track number
2216 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2217 mov_write_tmpo_tag(pb, s);
2218 return update_size(pb, pos);
2221 /* iTunes meta data tag */
2222 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2226 int64_t pos = avio_tell(pb);
2227 avio_wb32(pb, 0); /* size */
2228 ffio_wfourcc(pb, "meta");
2230 mov_write_itunes_hdlr_tag(pb, mov, s);
2231 mov_write_ilst_tag(pb, mov, s);
2232 size = update_size(pb, pos);
2236 static int utf8len(const uint8_t *b)
2241 GET_UTF8(val, *b++, return -1;)
2247 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2251 GET_UTF8(val, *b++, return -1;)
2254 avio_wb16(pb, 0x00);
2258 static uint16_t language_code(const char *str)
2260 return (((str[0] - 0x60) & 0x1F) << 10) +
2261 (((str[1] - 0x60) & 0x1F) << 5) +
2262 (( str[2] - 0x60) & 0x1F);
2265 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2266 const char *tag, const char *str)
2268 int64_t pos = avio_tell(pb);
2269 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2270 if (!t || !utf8len(t->value))
2272 avio_wb32(pb, 0); /* size */
2273 ffio_wfourcc(pb, tag); /* type */
2274 avio_wb32(pb, 0); /* version + flags */
2275 if (!strcmp(tag, "yrrc"))
2276 avio_wb16(pb, atoi(t->value));
2278 avio_wb16(pb, language_code("eng")); /* language */
2279 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2280 if (!strcmp(tag, "albm") &&
2281 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2282 avio_w8(pb, atoi(t->value));
2284 return update_size(pb, pos);
2287 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2289 int64_t pos = avio_tell(pb);
2290 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2292 avio_wb32(pb, 0); // size
2293 ffio_wfourcc(pb, "chpl");
2294 avio_wb32(pb, 0x01000000); // version + flags
2295 avio_wb32(pb, 0); // unknown
2296 avio_w8(pb, nb_chapters);
2298 for (i = 0; i < nb_chapters; i++) {
2299 AVChapter *c = s->chapters[i];
2300 AVDictionaryEntry *t;
2301 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2303 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2304 int len = FFMIN(strlen(t->value), 255);
2306 avio_write(pb, t->value, len);
2310 return update_size(pb, pos);
2313 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2316 AVIOContext *pb_buf;
2320 for (i = 0; i < s->nb_streams; i++)
2321 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2325 ret = avio_open_dyn_buf(&pb_buf);
2329 if (mov->mode & MODE_3GP) {
2330 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2331 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2332 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2333 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2334 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2335 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2336 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2337 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2338 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2339 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2340 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2341 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2342 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2343 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2344 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2345 // currently ignored by mov.c
2346 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2347 // add support for libquicktime, this atom is also actually read by mov.c
2348 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2349 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2350 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2352 /* iTunes meta data */
2353 mov_write_meta_tag(pb_buf, mov, s);
2357 mov_write_chpl_tag(pb_buf, s);
2359 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2360 avio_wb32(pb, size + 8);
2361 ffio_wfourcc(pb, "udta");
2362 avio_write(pb, buf, size);
2369 static void mov_write_psp_udta_tag(AVIOContext *pb,
2370 const char *str, const char *lang, int type)
2372 int len = utf8len(str) + 1;
2375 avio_wb16(pb, len * 2 + 10); /* size */
2376 avio_wb32(pb, type); /* type */
2377 avio_wb16(pb, language_code(lang)); /* language */
2378 avio_wb16(pb, 0x01); /* ? */
2379 ascii_to_wc(pb, str);
2382 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2384 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2388 pos = avio_tell(pb);
2389 avio_wb32(pb, 0); /* size placeholder*/
2390 ffio_wfourcc(pb, "uuid");
2391 ffio_wfourcc(pb, "USMT");
2392 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2393 avio_wb32(pb, 0xbb88695c);
2394 avio_wb32(pb, 0xfac9c740);
2396 pos2 = avio_tell(pb);
2397 avio_wb32(pb, 0); /* size placeholder*/
2398 ffio_wfourcc(pb, "MTDT");
2402 avio_wb16(pb, 0x0C); /* size */
2403 avio_wb32(pb, 0x0B); /* type */
2404 avio_wb16(pb, language_code("und")); /* language */
2405 avio_wb16(pb, 0x0); /* ? */
2406 avio_wb16(pb, 0x021C); /* data */
2408 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2409 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2410 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2412 update_size(pb, pos2);
2413 return update_size(pb, pos);
2419 static void build_chunks(MOVTrack *trk)
2422 MOVIentry *chunk = &trk->cluster[0];
2423 uint64_t chunkSize = chunk->size;
2424 chunk->chunkNum = 1;
2425 if (trk->chunkCount)
2427 trk->chunkCount = 1;
2428 for (i = 1; i<trk->entry; i++){
2429 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2430 chunkSize + trk->cluster[i].size < (1<<20)){
2431 chunkSize += trk->cluster[i].size;
2432 chunk->samples_in_chunk += trk->cluster[i].entries;
2434 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2435 chunk=&trk->cluster[i];
2436 chunkSize = chunk->size;
2442 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2446 int64_t pos = avio_tell(pb);
2447 avio_wb32(pb, 0); /* size placeholder*/
2448 ffio_wfourcc(pb, "moov");
2450 for (i = 0; i < mov->nb_streams; i++) {
2451 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2454 mov->tracks[i].time = mov->time;
2455 mov->tracks[i].track_id = i + 1;
2457 if (mov->tracks[i].entry)
2458 build_chunks(&mov->tracks[i]);
2461 if (mov->chapter_track)
2462 for (i = 0; i < s->nb_streams; i++) {
2463 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2464 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2466 for (i = 0; i < mov->nb_streams; i++) {
2467 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2468 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2469 mov->tracks[i].tref_id =
2470 mov->tracks[mov->tracks[i].src_track].track_id;
2473 for (i = 0; i < mov->nb_streams; i++) {
2474 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2475 int src_trk = mov->tracks[i].src_track;
2476 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2477 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2478 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2482 mov_write_mvhd_tag(pb, mov);
2483 if (mov->mode != MODE_MOV && !mov->iods_skip)
2484 mov_write_iods_tag(pb, mov);
2485 for (i = 0; i < mov->nb_streams; i++) {
2486 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2487 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2490 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2491 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2493 if (mov->mode == MODE_PSP)
2494 mov_write_uuidusmt_tag(pb, s);
2496 mov_write_udta_tag(pb, mov, s);
2498 return update_size(pb, pos);
2501 static void param_write_int(AVIOContext *pb, const char *name, int value)
2503 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2506 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2508 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2511 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2514 len = FFMIN(sizeof(buf) / 2 - 1, len);
2515 ff_data_to_hex(buf, value, len, 0);
2516 buf[2 * len] = '\0';
2517 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2520 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2522 int64_t pos = avio_tell(pb);
2524 static const uint8_t uuid[] = {
2525 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2526 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2530 ffio_wfourcc(pb, "uuid");
2531 avio_write(pb, uuid, sizeof(uuid));
2534 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2535 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2536 avio_printf(pb, "<head>\n");
2537 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2539 avio_printf(pb, "</head>\n");
2540 avio_printf(pb, "<body>\n");
2541 avio_printf(pb, "<switch>\n");
2542 for (i = 0; i < mov->nb_streams; i++) {
2543 MOVTrack *track = &mov->tracks[i];
2545 /* track->track_id is initialized in write_moov, and thus isn't known
2547 int track_id = i + 1;
2549 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2551 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2556 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2557 track->enc->bit_rate);
2558 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2559 param_write_int(pb, "trackID", track_id);
2560 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2561 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2563 int size = track->enc->extradata_size;
2564 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2566 param_write_hex(pb, "CodecPrivateData",
2567 ptr ? ptr : track->enc->extradata,
2571 param_write_string(pb, "FourCC", "H264");
2572 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2573 param_write_string(pb, "FourCC", "WVC1");
2574 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2575 track->enc->extradata_size);
2577 param_write_int(pb, "MaxWidth", track->enc->width);
2578 param_write_int(pb, "MaxHeight", track->enc->height);
2579 param_write_int(pb, "DisplayWidth", track->enc->width);
2580 param_write_int(pb, "DisplayHeight", track->enc->height);
2582 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2583 param_write_string(pb, "FourCC", "AACL");
2584 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2585 param_write_string(pb, "FourCC", "WMAP");
2587 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2588 track->enc->extradata_size);
2589 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2590 track->enc->codec_id));
2591 param_write_int(pb, "Channels", track->enc->channels);
2592 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2593 param_write_int(pb, "BitsPerSample", 16);
2594 param_write_int(pb, "PacketSize", track->enc->block_align ?
2595 track->enc->block_align : 4);
2597 avio_printf(pb, "</%s>\n", type);
2599 avio_printf(pb, "</switch>\n");
2600 avio_printf(pb, "</body>\n");
2601 avio_printf(pb, "</smil>\n");
2603 return update_size(pb, pos);
2606 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2609 ffio_wfourcc(pb, "mfhd");
2611 avio_wb32(pb, mov->fragments);
2615 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2616 MOVTrack *track, int64_t moof_offset)
2618 int64_t pos = avio_tell(pb);
2619 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2620 MOV_TFHD_BASE_DATA_OFFSET;
2621 if (!track->entry) {
2622 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2624 flags |= MOV_TFHD_DEFAULT_FLAGS;
2626 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2627 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2629 /* Don't set a default sample size, the silverlight player refuses
2630 * to play files with that set. Don't set a default sample duration,
2631 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2632 * file format says it MUST NOT be set. */
2633 if (track->mode == MODE_ISM)
2634 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2635 MOV_TFHD_BASE_DATA_OFFSET);
2637 avio_wb32(pb, 0); /* size placeholder */
2638 ffio_wfourcc(pb, "tfhd");
2639 avio_w8(pb, 0); /* version */
2640 avio_wb24(pb, flags);
2642 avio_wb32(pb, track->track_id); /* track-id */
2643 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2644 avio_wb64(pb, moof_offset);
2645 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2646 track->default_duration = get_cluster_duration(track, 0);
2647 avio_wb32(pb, track->default_duration);
2649 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2650 track->default_size = track->entry ? track->cluster[0].size : 1;
2651 avio_wb32(pb, track->default_size);
2653 track->default_size = -1;
2655 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2656 track->default_sample_flags =
2657 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2658 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2659 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2660 avio_wb32(pb, track->default_sample_flags);
2663 return update_size(pb, pos);
2666 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2668 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2669 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2672 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2673 MOVTrack *track, int moof_size)
2675 int64_t pos = avio_tell(pb);
2676 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2679 for (i = 0; i < track->entry; i++) {
2680 if (get_cluster_duration(track, i) != track->default_duration)
2681 flags |= MOV_TRUN_SAMPLE_DURATION;
2682 if (track->cluster[i].size != track->default_size)
2683 flags |= MOV_TRUN_SAMPLE_SIZE;
2684 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2685 flags |= MOV_TRUN_SAMPLE_FLAGS;
2687 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2688 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2689 if (track->flags & MOV_TRACK_CTTS)
2690 flags |= MOV_TRUN_SAMPLE_CTS;
2692 avio_wb32(pb, 0); /* size placeholder */
2693 ffio_wfourcc(pb, "trun");
2694 avio_w8(pb, 0); /* version */
2695 avio_wb24(pb, flags);
2697 avio_wb32(pb, track->entry); /* sample count */
2698 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2699 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2700 track->track_id != 1)
2701 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2703 avio_wb32(pb, moof_size + 8 + track->data_offset +
2704 track->cluster[0].pos); /* data offset */
2705 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2706 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2708 for (i = 0; i < track->entry; i++) {
2709 if (flags & MOV_TRUN_SAMPLE_DURATION)
2710 avio_wb32(pb, get_cluster_duration(track, i));
2711 if (flags & MOV_TRUN_SAMPLE_SIZE)
2712 avio_wb32(pb, track->cluster[i].size);
2713 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2714 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2715 if (flags & MOV_TRUN_SAMPLE_CTS)
2716 avio_wb32(pb, track->cluster[i].cts);
2719 return update_size(pb, pos);
2722 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2724 int64_t pos = avio_tell(pb);
2725 static const uint8_t uuid[] = {
2726 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2727 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2730 avio_wb32(pb, 0); /* size placeholder */
2731 ffio_wfourcc(pb, "uuid");
2732 avio_write(pb, uuid, sizeof(uuid));
2735 avio_wb64(pb, track->frag_start);
2736 avio_wb64(pb, track->start_dts + track->track_duration -
2737 track->cluster[0].dts);
2739 return update_size(pb, pos);
2742 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2743 MOVTrack *track, int entry)
2745 int n = track->nb_frag_info - 1 - entry, i;
2746 int size = 8 + 16 + 4 + 1 + 16*n;
2747 static const uint8_t uuid[] = {
2748 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2749 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2755 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2756 avio_wb32(pb, size);
2757 ffio_wfourcc(pb, "uuid");
2758 avio_write(pb, uuid, sizeof(uuid));
2762 for (i = 0; i < n; i++) {
2763 int index = entry + 1 + i;
2764 avio_wb64(pb, track->frag_info[index].time);
2765 avio_wb64(pb, track->frag_info[index].duration);
2767 if (n < mov->ism_lookahead) {
2768 int free_size = 16 * (mov->ism_lookahead - n);
2769 avio_wb32(pb, free_size);
2770 ffio_wfourcc(pb, "free");
2771 ffio_fill(pb, 0, free_size - 8);
2777 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2780 int64_t pos = avio_tell(pb);
2782 for (i = 0; i < mov->ism_lookahead; i++) {
2783 /* Update the tfrf tag for the last ism_lookahead fragments,
2784 * nb_frag_info - 1 is the next fragment to be written. */
2785 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2787 avio_seek(pb, pos, SEEK_SET);
2791 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2792 MOVTrack *track, int64_t moof_offset,
2795 int64_t pos = avio_tell(pb);
2796 avio_wb32(pb, 0); /* size placeholder */
2797 ffio_wfourcc(pb, "traf");
2799 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2800 mov_write_trun_tag(pb, mov, track, moof_size);
2801 if (mov->mode == MODE_ISM) {
2802 mov_write_tfxd_tag(pb, track);
2804 if (mov->ism_lookahead) {
2805 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2807 track->tfrf_offset = avio_tell(pb);
2808 avio_wb32(pb, 8 + size);
2809 ffio_wfourcc(pb, "free");
2810 for (i = 0; i < size; i++)
2815 return update_size(pb, pos);
2818 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2819 int tracks, int moof_size)
2821 int64_t pos = avio_tell(pb);
2824 avio_wb32(pb, 0); /* size placeholder */
2825 ffio_wfourcc(pb, "moof");
2827 mov_write_mfhd_tag(pb, mov);
2828 for (i = 0; i < mov->nb_streams; i++) {
2829 MOVTrack *track = &mov->tracks[i];
2830 if (tracks >= 0 && i != tracks)
2834 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2837 return update_size(pb, pos);
2840 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2842 AVIOContext *avio_buf;
2845 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2847 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2848 moof_size = ffio_close_null_buf(avio_buf);
2849 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2852 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2854 int64_t pos = avio_tell(pb);
2857 avio_wb32(pb, 0); /* size placeholder */
2858 ffio_wfourcc(pb, "tfra");
2859 avio_w8(pb, 1); /* version */
2862 avio_wb32(pb, track->track_id);
2863 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2864 avio_wb32(pb, track->nb_frag_info);
2865 for (i = 0; i < track->nb_frag_info; i++) {
2866 avio_wb64(pb, track->frag_info[i].time);
2867 avio_wb64(pb, track->frag_info[i].offset);
2868 avio_w8(pb, 1); /* traf number */
2869 avio_w8(pb, 1); /* trun number */
2870 avio_w8(pb, 1); /* sample number */
2873 return update_size(pb, pos);
2876 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2878 int64_t pos = avio_tell(pb);
2881 avio_wb32(pb, 0); /* size placeholder */
2882 ffio_wfourcc(pb, "mfra");
2883 /* An empty mfra atom is enough to indicate to the publishing point that
2884 * the stream has ended. */
2885 if (mov->flags & FF_MOV_FLAG_ISML)
2886 return update_size(pb, pos);
2888 for (i = 0; i < mov->nb_streams; i++) {
2889 MOVTrack *track = &mov->tracks[i];
2890 if (track->nb_frag_info)
2891 mov_write_tfra_tag(pb, track);
2895 ffio_wfourcc(pb, "mfro");
2896 avio_wb32(pb, 0); /* version + flags */
2897 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2899 return update_size(pb, pos);
2902 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2904 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2905 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2907 mov->mdat_pos = avio_tell(pb);
2908 avio_wb32(pb, 0); /* size placeholder*/
2909 ffio_wfourcc(pb, "mdat");
2913 /* TODO: This needs to be more general */
2914 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2916 MOVMuxContext *mov = s->priv_data;
2917 int64_t pos = avio_tell(pb);
2918 int has_h264 = 0, has_video = 0;
2922 for (i = 0; i < s->nb_streams; i++) {
2923 AVStream *st = s->streams[i];
2924 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2926 if (st->codec->codec_id == AV_CODEC_ID_H264)
2930 avio_wb32(pb, 0); /* size */
2931 ffio_wfourcc(pb, "ftyp");
2933 if (mov->mode == MODE_3GP) {
2934 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2935 minor = has_h264 ? 0x100 : 0x200;
2936 } else if (mov->mode & MODE_3G2) {
2937 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2938 minor = has_h264 ? 0x20000 : 0x10000;
2939 } else if (mov->mode == MODE_PSP)
2940 ffio_wfourcc(pb, "MSNV");
2941 else if (mov->mode == MODE_MP4)
2942 ffio_wfourcc(pb, "isom");
2943 else if (mov->mode == MODE_IPOD)
2944 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2945 else if (mov->mode == MODE_ISM)
2946 ffio_wfourcc(pb, "isml");
2947 else if (mov->mode == MODE_F4V)
2948 ffio_wfourcc(pb, "f4v ");
2950 ffio_wfourcc(pb, "qt ");
2952 avio_wb32(pb, minor);
2954 if (mov->mode == MODE_MOV)
2955 ffio_wfourcc(pb, "qt ");
2956 else if (mov->mode == MODE_ISM) {
2957 ffio_wfourcc(pb, "piff");
2958 ffio_wfourcc(pb, "iso2");
2960 ffio_wfourcc(pb, "isom");
2961 ffio_wfourcc(pb, "iso2");
2963 ffio_wfourcc(pb, "avc1");
2966 if (mov->mode == MODE_3GP)
2967 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2968 else if (mov->mode & MODE_3G2)
2969 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2970 else if (mov->mode == MODE_PSP)
2971 ffio_wfourcc(pb, "MSNV");
2972 else if (mov->mode == MODE_MP4)
2973 ffio_wfourcc(pb, "mp41");
2974 return update_size(pb, pos);
2977 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2979 AVCodecContext *video_codec = s->streams[0]->codec;
2980 AVCodecContext *audio_codec = s->streams[1]->codec;
2981 int audio_rate = audio_codec->sample_rate;
2982 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2983 int audio_kbitrate = audio_codec->bit_rate / 1000;
2984 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2986 avio_wb32(pb, 0x94); /* size */
2987 ffio_wfourcc(pb, "uuid");
2988 ffio_wfourcc(pb, "PROF");
2990 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2991 avio_wb32(pb, 0xbb88695c);
2992 avio_wb32(pb, 0xfac9c740);
2994 avio_wb32(pb, 0x0); /* ? */
2995 avio_wb32(pb, 0x3); /* 3 sections ? */
2997 avio_wb32(pb, 0x14); /* size */
2998 ffio_wfourcc(pb, "FPRF");
2999 avio_wb32(pb, 0x0); /* ? */
3000 avio_wb32(pb, 0x0); /* ? */
3001 avio_wb32(pb, 0x0); /* ? */
3003 avio_wb32(pb, 0x2c); /* size */
3004 ffio_wfourcc(pb, "APRF"); /* audio */
3006 avio_wb32(pb, 0x2); /* TrackID */
3007 ffio_wfourcc(pb, "mp4a");
3008 avio_wb32(pb, 0x20f);
3010 avio_wb32(pb, audio_kbitrate);
3011 avio_wb32(pb, audio_kbitrate);
3012 avio_wb32(pb, audio_rate);
3013 avio_wb32(pb, audio_codec->channels);
3015 avio_wb32(pb, 0x34); /* size */
3016 ffio_wfourcc(pb, "VPRF"); /* video */
3018 avio_wb32(pb, 0x1); /* TrackID */
3019 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3020 ffio_wfourcc(pb, "avc1");
3021 avio_wb16(pb, 0x014D);
3022 avio_wb16(pb, 0x0015);
3024 ffio_wfourcc(pb, "mp4v");
3025 avio_wb16(pb, 0x0000);
3026 avio_wb16(pb, 0x0103);
3029 avio_wb32(pb, video_kbitrate);
3030 avio_wb32(pb, video_kbitrate);
3031 avio_wb32(pb, frame_rate);
3032 avio_wb32(pb, frame_rate);
3033 avio_wb16(pb, video_codec->width);
3034 avio_wb16(pb, video_codec->height);
3035 avio_wb32(pb, 0x010001); /* ? */
3038 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3041 int i, closed_gop = 0;
3043 for (i = 0; i < pkt->size - 4; i++) {
3044 c = (c << 8) + pkt->data[i];
3045 if (c == 0x1b8) { // gop
3046 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3047 } else if (c == 0x100) { // pic
3048 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3049 if (!temp_ref || closed_gop) // I picture is not reordered
3050 *flags = MOV_SYNC_SAMPLE;
3052 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3059 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3061 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3062 int seq = 0, entry = 0;
3063 int key = pkt->flags & AV_PKT_FLAG_KEY;
3064 start = find_next_marker(pkt->data, end);
3065 for (next = start; next < end; start = next) {
3066 next = find_next_marker(start + 4, end);
3067 switch (AV_RB32(start)) {
3068 case VC1_CODE_SEQHDR:
3071 case VC1_CODE_ENTRYPOINT:
3074 case VC1_CODE_SLICE:
3075 trk->vc1_info.slices = 1;
3079 if (!trk->entry && !fragment) {
3080 /* First packet in first fragment */
3081 trk->vc1_info.first_packet_seq = seq;
3082 trk->vc1_info.first_packet_entry = entry;
3083 } else if ((seq && !trk->vc1_info.packet_seq) ||
3084 (entry && !trk->vc1_info.packet_entry)) {
3086 for (i = 0; i < trk->entry; i++)
3087 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3088 trk->has_keyframes = 0;
3090 trk->vc1_info.packet_seq = 1;
3092 trk->vc1_info.packet_entry = 1;
3094 /* First fragment */
3095 if ((!seq || trk->vc1_info.first_packet_seq) &&
3096 (!entry || trk->vc1_info.first_packet_entry)) {
3097 /* First packet had the same headers as this one, readd the
3098 * sync sample flag. */
3099 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3100 trk->has_keyframes = 1;
3104 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3106 else if (trk->vc1_info.packet_seq)
3108 else if (trk->vc1_info.packet_entry)
3111 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3112 trk->has_keyframes++;
3116 static int mov_flush_fragment(AVFormatContext *s)
3118 MOVMuxContext *mov = s->priv_data;
3119 int i, first_track = -1;
3120 int64_t mdat_size = 0;
3122 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3125 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3126 int64_t pos = avio_tell(s->pb);
3128 int buf_size, moov_size;
3130 for (i = 0; i < mov->nb_streams; i++)
3131 if (!mov->tracks[i].entry)
3133 /* Don't write the initial moov unless all tracks have data */
3134 if (i < mov->nb_streams)
3137 moov_size = get_moov_size(s);
3138 for (i = 0; i < mov->nb_streams; i++)
3139 mov->tracks[i].data_offset = pos + moov_size + 8;
3141 mov_write_moov_tag(s->pb, mov, s);
3143 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3144 mov->mdat_buf = NULL;
3145 avio_wb32(s->pb, buf_size + 8);
3146 ffio_wfourcc(s->pb, "mdat");
3147 avio_write(s->pb, buf, buf_size);
3152 for (i = 0; i < mov->nb_streams; i++) {
3153 if (mov->tracks[i].entry)
3154 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3155 mov->tracks[i].track_duration -
3156 mov->tracks[i].cluster[0].dts;
3157 mov->tracks[i].entry = 0;
3163 for (i = 0; i < mov->nb_streams; i++) {
3164 MOVTrack *track = &mov->tracks[i];
3165 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3166 track->data_offset = 0;
3168 track->data_offset = mdat_size;
3169 if (!track->mdat_buf)
3171 mdat_size += avio_tell(track->mdat_buf);
3172 if (first_track < 0)
3179 for (i = 0; i < mov->nb_streams; i++) {
3180 MOVTrack *track = &mov->tracks[i];
3181 int buf_size, write_moof = 1, moof_tracks = -1;
3183 int64_t duration = 0;
3186 duration = track->start_dts + track->track_duration -
3187 track->cluster[0].dts;
3188 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3189 if (!track->mdat_buf)
3191 mdat_size = avio_tell(track->mdat_buf);
3194 write_moof = i == first_track;
3198 MOVFragmentInfo *info;
3200 track->nb_frag_info++;
3201 if (track->nb_frag_info >= track->frag_info_capacity) {
3202 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3203 if (av_reallocp_array(&track->frag_info,
3205 sizeof(*track->frag_info)))
3206 return AVERROR(ENOMEM);
3207 track->frag_info_capacity = new_capacity;
3209 info = &track->frag_info[track->nb_frag_info - 1];
3210 info->offset = avio_tell(s->pb);
3211 info->time = mov->tracks[i].frag_start;
3212 info->duration = duration;
3213 mov_write_tfrf_tags(s->pb, mov, track);
3215 mov_write_moof_tag(s->pb, mov, moof_tracks);
3216 info->tfrf_offset = track->tfrf_offset;
3219 avio_wb32(s->pb, mdat_size + 8);
3220 ffio_wfourcc(s->pb, "mdat");
3224 track->frag_start += duration;
3226 if (!track->mdat_buf)
3228 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3229 track->mdat_buf = NULL;
3231 avio_write(s->pb, buf, buf_size);
3241 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3243 MOVMuxContext *mov = s->priv_data;
3244 AVIOContext *pb = s->pb;
3245 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3246 AVCodecContext *enc = trk->enc;
3247 unsigned int samples_in_chunk = 0;
3248 int size = pkt->size;
3249 uint8_t *reformatted_data = NULL;
3251 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3253 if (mov->fragments > 0) {
3254 if (!trk->mdat_buf) {
3255 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3260 if (!mov->mdat_buf) {
3261 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3268 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3269 /* We must find out how many AMR blocks there are in one packet */
3270 static uint16_t packed_size[16] =
3271 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3274 while (len < size && samples_in_chunk < 100) {
3275 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3278 if (samples_in_chunk > 1) {
3279 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3282 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3283 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3284 samples_in_chunk = enc->frame_size;
3285 } else if (trk->sample_size)
3286 samples_in_chunk = size / trk->sample_size;
3288 samples_in_chunk = 1;
3290 /* copy extradata if it exists */
3291 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3292 trk->vos_len = enc->extradata_size;
3293 trk->vos_data = av_malloc(trk->vos_len);
3294 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3297 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3298 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3299 if (!s->streams[pkt->stream_index]->nb_frames) {
3300 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3301 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3302 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3305 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3307 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3308 /* from x264 or from bytestream h264 */
3309 /* nal reformating needed */
3310 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3311 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3313 avio_write(pb, reformatted_data, size);
3315 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3318 avio_write(pb, pkt->data, size);
3321 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3322 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3323 /* copy frame to create needed atoms */
3324 trk->vos_len = size;
3325 trk->vos_data = av_malloc(size);
3327 return AVERROR(ENOMEM);
3328 memcpy(trk->vos_data, pkt->data, size);
3331 if (trk->entry >= trk->cluster_capacity) {
3332 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3333 if (av_reallocp_array(&trk->cluster, new_capacity,
3334 sizeof(*trk->cluster)))
3335 return AVERROR(ENOMEM);
3336 trk->cluster_capacity = new_capacity;
3339 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3340 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3341 trk->cluster[trk->entry].chunkNum = 0;
3342 trk->cluster[trk->entry].size = size;
3343 trk->cluster[trk->entry].entries = samples_in_chunk;
3344 trk->cluster[trk->entry].dts = pkt->dts;
3345 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3346 /* First packet of a new fragment. We already wrote the duration
3347 * of the last packet of the previous fragment based on track_duration,
3348 * which might not exactly match our dts. Therefore adjust the dts
3349 * of this packet to be what the previous packets duration implies. */
3350 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3352 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3353 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3355 if (trk->start_dts == AV_NOPTS_VALUE)
3356 trk->start_dts = pkt->dts;
3357 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3358 trk->last_sample_is_subtitle_end = 0;
3360 if (pkt->pts == AV_NOPTS_VALUE) {
3361 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3362 pkt->pts = pkt->dts;
3364 if (pkt->dts != pkt->pts)
3365 trk->flags |= MOV_TRACK_CTTS;
3366 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3367 trk->cluster[trk->entry].flags = 0;
3368 if (enc->codec_id == AV_CODEC_ID_VC1) {
3369 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3370 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3371 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3372 trk->entry > 0) { // force sync sample for the first key frame
3373 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3374 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3375 trk->flags |= MOV_TRACK_STPS;
3377 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3379 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3380 trk->has_keyframes++;
3383 trk->sample_count += samples_in_chunk;
3384 mov->mdat_size += size;
3386 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3387 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3388 reformatted_data, size);
3389 av_free(reformatted_data);
3393 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3395 MOVMuxContext *mov = s->priv_data;
3396 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3397 AVCodecContext *enc = trk->enc;
3398 int64_t frag_duration = 0;
3399 int size = pkt->size;
3402 return 0; /* Discard 0 sized packets */
3404 if (trk->entry && pkt->stream_index < s->nb_streams)
3405 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3406 s->streams[pkt->stream_index]->time_base,
3408 if ((mov->max_fragment_duration &&
3409 frag_duration >= mov->max_fragment_duration) ||
3410 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3411 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3412 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3413 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3414 if (frag_duration >= mov->min_fragment_duration)
3415 mov_flush_fragment(s);
3418 return ff_mov_write_packet(s, pkt);
3421 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3425 uint8_t data[2] = {0};
3428 av_init_packet(&end);
3429 end.size = sizeof(data);
3434 end.stream_index = stream_index;
3436 ret = mov_write_single_packet(s, &end);
3437 av_free_packet(&end);
3442 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3445 mov_flush_fragment(s);
3449 MOVMuxContext *mov = s->priv_data;
3451 if (!pkt->size) return 0; /* Discard 0 sized packets */
3454 * Subtitles require special handling.
3456 * 1) For full complaince, every track must have a sample at
3457 * dts == 0, which is rarely true for subtitles. So, as soon
3458 * as we see any packet with dts > 0, write an empty subtitle
3459 * at dts == 0 for any subtitle track with no samples in it.
3461 * 2) For each subtitle track, check if the current packet's
3462 * dts is past the duration of the last subtitle sample. If
3463 * so, we now need to write an end sample for that subtitle.
3465 * This must be done conditionally to allow for subtitles that
3466 * immediately replace each other, in which case an end sample
3467 * is not needed, and is, in fact, actively harmful.
3469 * 3) See mov_write_trailer for how the final end sample is
3472 for (i = 0; i < mov->nb_streams; i++) {
3473 MOVTrack *trk = &mov->tracks[i];
3476 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3477 trk->track_duration < pkt->dts &&
3478 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3479 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3480 if (ret < 0) return ret;
3481 trk->last_sample_is_subtitle_end = 1;
3485 return mov_write_single_packet(s, pkt);
3489 // QuickTime chapters involve an additional text track with the chapter names
3490 // as samples, and a tref pointing from the other tracks to the chapter one.
3491 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3495 MOVMuxContext *mov = s->priv_data;
3496 MOVTrack *track = &mov->tracks[tracknum];
3497 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3500 track->mode = mov->mode;
3501 track->tag = MKTAG('t','e','x','t');
3502 track->timescale = MOV_TIMESCALE;
3503 track->enc = avcodec_alloc_context3(NULL);
3505 return AVERROR(ENOMEM);
3506 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3508 // These properties are required to make QT recognize the chapter track
3509 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3510 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
3511 return AVERROR(ENOMEM);
3512 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3514 if (avio_open_dyn_buf(&pb) >= 0) {
3518 /* Stub header (usually for Quicktime chapter track) */
3520 avio_wb32(pb, 0x01); // displayFlags
3521 avio_w8(pb, 0x00); // horizontal justification
3522 avio_w8(pb, 0x00); // vertical justification
3523 avio_w8(pb, 0x00); // bgColourRed
3524 avio_w8(pb, 0x00); // bgColourGreen
3525 avio_w8(pb, 0x00); // bgColourBlue
3526 avio_w8(pb, 0x00); // bgColourAlpha
3528 avio_wb16(pb, 0x00); // defTextBoxTop
3529 avio_wb16(pb, 0x00); // defTextBoxLeft
3530 avio_wb16(pb, 0x00); // defTextBoxBottom
3531 avio_wb16(pb, 0x00); // defTextBoxRight
3533 avio_wb16(pb, 0x00); // startChar
3534 avio_wb16(pb, 0x00); // endChar
3535 avio_wb16(pb, 0x01); // fontID
3536 avio_w8(pb, 0x00); // fontStyleFlags
3537 avio_w8(pb, 0x00); // fontSize
3538 avio_w8(pb, 0x00); // fgColourRed
3539 avio_w8(pb, 0x00); // fgColourGreen
3540 avio_w8(pb, 0x00); // fgColourBlue
3541 avio_w8(pb, 0x00); // fgColourAlpha
3543 avio_wb32(pb, 0x0D); // box size
3544 ffio_wfourcc(pb, "ftab"); // box atom name
3545 avio_wb16(pb, 0x01); // entry count
3547 avio_wb16(pb, 0x01); // font ID
3548 avio_w8(pb, 0x00); // font name length
3550 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3551 track->enc->extradata = buf;
3552 track->enc->extradata_size = size;
3559 for (i = 0; i < s->nb_chapters; i++) {
3560 AVChapter *c = s->chapters[i];
3561 AVDictionaryEntry *t;
3563 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3564 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3565 pkt.duration = end - pkt.dts;
3567 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3568 len = strlen(t->value);
3570 pkt.data = av_malloc(pkt.size);
3572 return AVERROR(ENOMEM);
3573 AV_WB16(pkt.data, len);
3574 memcpy(pkt.data + 2, t->value, len);
3575 ff_mov_write_packet(s, &pkt);
3576 av_freep(&pkt.data);
3583 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3586 MOVMuxContext *mov = s->priv_data;
3587 MOVTrack *track = &mov->tracks[index];
3588 AVStream *src_st = s->streams[src_index];
3590 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3591 AVRational rate = find_fps(s, src_st);
3593 /* compute the frame number */
3594 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3598 /* tmcd track based on video stream */
3599 track->mode = mov->mode;
3600 track->tag = MKTAG('t','m','c','d');
3601 track->src_track = src_index;
3602 track->timescale = mov->tracks[src_index].timescale;
3603 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3604 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3606 /* encode context: tmcd data stream */
3607 track->enc = avcodec_alloc_context3(NULL);
3608 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3609 track->enc->codec_tag = track->tag;
3610 track->enc->time_base = av_inv_q(rate);
3612 /* the tmcd track just contains one packet with the frame number */
3613 pkt.data = av_malloc(pkt.size);
3614 AV_WB32(pkt.data, tc.start);
3615 ret = ff_mov_write_packet(s, &pkt);
3621 * st->disposition controls the "enabled" flag in the tkhd tag.
3622 * QuickTime will not play a track if it is not enabled. So make sure
3623 * that one track of each type (audio, video, subtitle) is enabled.
3625 * Subtitles are special. For audio and video, setting "enabled" also
3626 * makes the track "default" (i.e. it is rendered when played). For
3627 * subtitles, an "enabled" subtitle is not rendered by default, but
3628 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3631 static void enable_tracks(AVFormatContext *s)
3633 MOVMuxContext *mov = s->priv_data;
3635 uint8_t enabled[AVMEDIA_TYPE_NB];
3636 int first[AVMEDIA_TYPE_NB];
3638 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3643 for (i = 0; i < s->nb_streams; i++) {
3644 AVStream *st = s->streams[i];
3646 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3647 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3650 if (first[st->codec->codec_type] < 0)
3651 first[st->codec->codec_type] = i;
3652 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3653 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3654 enabled[st->codec->codec_type] = 1;
3658 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3660 case AVMEDIA_TYPE_VIDEO:
3661 case AVMEDIA_TYPE_AUDIO:
3662 case AVMEDIA_TYPE_SUBTITLE:
3663 if (!enabled[i] && first[i] >= 0)
3664 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3670 static void mov_free(AVFormatContext *s)
3672 MOVMuxContext *mov = s->priv_data;
3675 if (mov->chapter_track) {
3676 if (mov->tracks[mov->chapter_track].enc)
3677 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
3678 av_freep(&mov->tracks[mov->chapter_track].enc);
3681 for (i = 0; i < mov->nb_streams; i++) {
3682 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3683 ff_mov_close_hinting(&mov->tracks[i]);
3684 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3685 av_freep(&mov->tracks[i].enc);
3686 av_freep(&mov->tracks[i].cluster);
3687 av_freep(&mov->tracks[i].frag_info);
3689 if (mov->tracks[i].vos_len)
3690 av_freep(&mov->tracks[i].vos_data);
3693 av_freep(&mov->tracks);
3696 static int mov_write_header(AVFormatContext *s)
3698 AVIOContext *pb = s->pb;
3699 MOVMuxContext *mov = s->priv_data;
3700 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3701 int i, hint_track = 0, tmcd_track = 0;
3703 /* Default mode == MP4 */
3704 mov->mode = MODE_MP4;
3706 if (s->oformat != NULL) {
3707 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3708 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3709 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3710 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3711 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3712 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3713 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3716 /* Set the FRAGMENT flag if any of the fragmentation methods are
3718 if (mov->max_fragment_duration || mov->max_fragment_size ||
3719 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3720 FF_MOV_FLAG_FRAG_KEYFRAME |
3721 FF_MOV_FLAG_FRAG_CUSTOM))
3722 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3724 /* Set other implicit flags immediately */
3725 if (mov->mode == MODE_ISM)
3726 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3727 FF_MOV_FLAG_FRAGMENT;
3729 /* faststart: moov at the beginning of the file, if supported */
3730 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3731 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3732 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3733 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3734 "with fragmentation and custom IO, disabling faststart\n");
3735 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3737 mov->reserved_moov_size = -1;
3740 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3741 s->avoid_negative_ts = 1;
3744 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3745 * is enabled, we don't support non-seekable output at all. */
3746 if (!s->pb->seekable &&
3747 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3748 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3749 return AVERROR(EINVAL);
3752 mov_write_ftyp_tag(pb,s);
3753 if (mov->mode == MODE_PSP) {
3754 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3755 for (i = 0; i < s->nb_streams; i++) {
3756 AVStream *st = s->streams[i];
3757 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3759 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3765 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3766 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3767 return AVERROR(EINVAL);
3769 mov_write_uuidprof_tag(pb, s);
3772 mov->nb_streams = s->nb_streams;
3773 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3774 mov->chapter_track = mov->nb_streams++;
3776 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3777 /* Add hint tracks for each audio and video stream */
3778 hint_track = mov->nb_streams;
3779 for (i = 0; i < s->nb_streams; i++) {
3780 AVStream *st = s->streams[i];
3781 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3782 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3788 if (mov->mode == MODE_MOV) {
3789 tmcd_track = mov->nb_streams;
3791 /* +1 tmcd track for each video stream with a timecode */
3792 for (i = 0; i < s->nb_streams; i++) {
3793 AVStream *st = s->streams[i];
3794 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3795 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3796 mov->nb_meta_tmcd++;
3799 /* check if there is already a tmcd track to remux */
3800 if (mov->nb_meta_tmcd) {
3801 for (i = 0; i < s->nb_streams; i++) {
3802 AVStream *st = s->streams[i];
3803 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3804 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3805 "so timecode metadata are now ignored\n");
3806 mov->nb_meta_tmcd = 0;
3811 mov->nb_streams += mov->nb_meta_tmcd;
3814 // Reserve an extra stream for chapters for the case where chapters
3815 // are written in the trailer
3816 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3818 return AVERROR(ENOMEM);
3820 for (i = 0; i < s->nb_streams; i++) {
3821 AVStream *st= s->streams[i];
3822 MOVTrack *track= &mov->tracks[i];
3823 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3825 track->enc = st->codec;
3827 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3828 if (track->language < 0)
3829 track->language = 0;
3830 track->mode = mov->mode;
3831 track->tag = mov_find_codec_tag(s, track);
3833 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3834 "codec not currently supported in container\n", i);
3837 /* If hinting of this track is enabled by a later hint track,
3838 * this is updated. */
3839 track->hint_track = -1;
3840 track->start_dts = AV_NOPTS_VALUE;
3841 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3842 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3843 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3844 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3845 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3846 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3849 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3851 if (mov->video_track_timescale) {
3852 track->timescale = mov->video_track_timescale;
3854 track->timescale = st->codec->time_base.den;
3855 while(track->timescale < 10000)
3856 track->timescale *= 2;
3858 if (track->mode == MODE_MOV && track->timescale > 100000)
3859 av_log(s, AV_LOG_WARNING,
3860 "WARNING codec timebase is very high. If duration is too long,\n"
3861 "file may not be playable by quicktime. Specify a shorter timebase\n"
3862 "or choose different container.\n");
3863 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3864 track->timescale = st->codec->sample_rate;
3865 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3866 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3867 track->audio_vbr = 1;
3868 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3869 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3870 st->codec->codec_id == AV_CODEC_ID_ILBC){
3871 if (!st->codec->block_align) {
3872 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3875 track->sample_size = st->codec->block_align;
3876 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3877 track->audio_vbr = 1;
3879 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3881 if (st->codec->codec_id == AV_CODEC_ID_ILBC) {
3882 track->audio_vbr = 1;
3884 if (track->mode != MODE_MOV &&
3885 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3886 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3887 i, track->enc->sample_rate);
3890 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3891 track->timescale = st->codec->time_base.den;
3892 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3893 track->timescale = st->codec->time_base.den;
3895 track->timescale = MOV_TIMESCALE;
3898 track->height = st->codec->height;
3899 /* The ism specific timescale isn't mandatory, but is assumed by
3900 * some tools, such as mp4split. */
3901 if (mov->mode == MODE_ISM)
3902 track->timescale = 10000000;
3904 avpriv_set_pts_info(st, 64, 1, track->timescale);
3906 /* copy extradata if it exists */
3907 if (st->codec->extradata_size) {
3908 track->vos_len = st->codec->extradata_size;
3909 track->vos_data = av_malloc(track->vos_len);
3910 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3916 if (mov->mode == MODE_ISM) {
3917 /* If no fragmentation options have been set, set a default. */
3918 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3919 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3920 !mov->max_fragment_duration && !mov->max_fragment_size)
3921 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3924 if (mov->reserved_moov_size){
3925 mov->reserved_moov_pos= avio_tell(pb);
3926 if (mov->reserved_moov_size > 0)
3927 avio_skip(pb, mov->reserved_moov_size);
3930 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3931 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3932 mov->reserved_moov_pos = avio_tell(pb);
3933 mov_write_mdat_tag(pb, mov);
3936 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3937 mov->time = ff_iso8601_to_unix_time(t->value);
3939 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3941 if (mov->chapter_track)
3942 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3945 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3946 /* Initialize the hint tracks for each audio and video stream */
3947 for (i = 0; i < s->nb_streams; i++) {
3948 AVStream *st = s->streams[i];
3949 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3950 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3951 if (ff_mov_init_hinting(s, hint_track, i) < 0)
3958 if (mov->nb_meta_tmcd) {
3959 /* Initialize the tmcd tracks */
3960 for (i = 0; i < s->nb_streams; i++) {
3961 AVStream *st = s->streams[i];
3964 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3966 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3969 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3978 if (mov->flags & FF_MOV_FLAG_ISML)
3979 mov_write_isml_manifest(pb, mov);
3981 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3982 mov_write_moov_tag(pb, mov, s);
3992 static int get_moov_size(AVFormatContext *s)
3995 AVIOContext *moov_buf;
3996 MOVMuxContext *mov = s->priv_data;
3998 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4000 mov_write_moov_tag(moov_buf, mov, s);
4001 return ffio_close_null_buf(moov_buf);
4005 * This function gets the moov size if moved to the top of the file: the chunk
4006 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4007 * entries) when the moov is moved to the beginning, so the size of the moov
4008 * would change. It also updates the chunk offset tables.
4010 static int compute_moov_size(AVFormatContext *s)
4012 int i, moov_size, moov_size2;
4013 MOVMuxContext *mov = s->priv_data;
4015 moov_size = get_moov_size(s);
4019 for (i = 0; i < mov->nb_streams; i++)
4020 mov->tracks[i].data_offset += moov_size;
4022 moov_size2 = get_moov_size(s);
4026 /* if the size changed, we just switched from stco to co64 and need to
4027 * update the offsets */
4028 if (moov_size2 != moov_size)
4029 for (i = 0; i < mov->nb_streams; i++)
4030 mov->tracks[i].data_offset += moov_size2 - moov_size;
4035 static int shift_data(AVFormatContext *s)
4037 int ret = 0, moov_size;
4038 MOVMuxContext *mov = s->priv_data;
4039 int64_t pos, pos_end = avio_tell(s->pb);
4040 uint8_t *buf, *read_buf[2];
4041 int read_buf_id = 0;
4043 AVIOContext *read_pb;
4045 moov_size = compute_moov_size(s);
4049 buf = av_malloc(moov_size * 2);
4051 return AVERROR(ENOMEM);
4053 read_buf[1] = buf + moov_size;
4055 /* Shift the data: the AVIO context of the output can only be used for
4056 * writing, so we re-open the same output, but for reading. It also avoids
4057 * a read/seek/write/seek back and forth. */
4059 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4061 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4062 "the second pass (faststart)\n", s->filename);
4066 /* mark the end of the shift to up to the last data we wrote, and get ready
4068 pos_end = avio_tell(s->pb);
4069 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4071 /* start reading at where the new moov will be placed */
4072 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4073 pos = avio_tell(read_pb);
4075 #define READ_BLOCK do { \
4076 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4080 /* shift data by chunk of at most moov_size */
4085 n = read_size[read_buf_id];
4088 avio_write(s->pb, read_buf[read_buf_id], n);
4090 } while (pos < pos_end);
4091 avio_close(read_pb);
4098 static int mov_write_trailer(AVFormatContext *s)
4100 MOVMuxContext *mov = s->priv_data;
4101 AVIOContext *pb = s->pb;
4107 * Before actually writing the trailer, make sure that there are no
4108 * dangling subtitles, that need a terminating sample.
4110 for (i = 0; i < mov->nb_streams; i++) {
4111 MOVTrack *trk = &mov->tracks[i];
4112 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4113 !trk->last_sample_is_subtitle_end) {
4114 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4115 trk->last_sample_is_subtitle_end = 1;
4119 // If there were no chapters when the header was written, but there
4120 // are chapters now, write them in the trailer. This only works
4121 // when we are not doing fragments.
4122 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4123 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4124 mov->chapter_track = mov->nb_streams++;
4125 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4130 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4131 moov_pos = avio_tell(pb);
4133 /* Write size of mdat tag */
4134 if (mov->mdat_size + 8 <= UINT32_MAX) {
4135 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4136 avio_wb32(pb, mov->mdat_size + 8);
4138 /* overwrite 'wide' placeholder atom */
4139 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4140 /* special value: real atom size will be 64 bit value after
4143 ffio_wfourcc(pb, "mdat");
4144 avio_wb64(pb, mov->mdat_size + 16);
4146 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4148 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4149 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4150 res = shift_data(s);
4152 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4153 mov_write_moov_tag(pb, mov, s);
4155 } else if (mov->reserved_moov_size > 0) {
4157 mov_write_moov_tag(pb, mov, s);
4158 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4160 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4163 avio_wb32(pb, size);
4164 ffio_wfourcc(pb, "free");
4165 for (i = 0; i < size; i++)
4167 avio_seek(pb, moov_pos, SEEK_SET);
4169 mov_write_moov_tag(pb, mov, s);
4172 mov_flush_fragment(s);
4173 mov_write_mfra_tag(pb, mov);
4176 for (i = 0; i < mov->nb_streams; i++) {
4177 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4178 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4179 int64_t off = avio_tell(pb);
4181 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4182 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4183 avio_write(pb, buf, 7);
4184 avio_seek(pb, off, SEEK_SET);
4195 #if CONFIG_MOV_MUXER
4197 AVOutputFormat ff_mov_muxer = {
4199 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4200 .extensions = "mov",
4201 .priv_data_size = sizeof(MOVMuxContext),
4202 .audio_codec = AV_CODEC_ID_AAC,
4203 .video_codec = CONFIG_LIBX264_ENCODER ?
4204 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4205 .write_header = mov_write_header,
4206 .write_packet = mov_write_packet,
4207 .write_trailer = mov_write_trailer,
4208 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4209 .codec_tag = (const AVCodecTag* const []){
4210 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4212 .priv_class = &mov_muxer_class,
4215 #if CONFIG_TGP_MUXER
4217 AVOutputFormat ff_tgp_muxer = {
4219 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4220 .extensions = "3gp",
4221 .priv_data_size = sizeof(MOVMuxContext),
4222 .audio_codec = AV_CODEC_ID_AMR_NB,
4223 .video_codec = AV_CODEC_ID_H263,
4224 .write_header = mov_write_header,
4225 .write_packet = mov_write_packet,
4226 .write_trailer = mov_write_trailer,
4227 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4228 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4229 .priv_class = &tgp_muxer_class,
4232 #if CONFIG_MP4_MUXER
4234 AVOutputFormat ff_mp4_muxer = {
4236 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4237 .mime_type = "application/mp4",
4238 .extensions = "mp4",
4239 .priv_data_size = sizeof(MOVMuxContext),
4240 .audio_codec = AV_CODEC_ID_AAC,
4241 .video_codec = CONFIG_LIBX264_ENCODER ?
4242 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4243 .write_header = mov_write_header,
4244 .write_packet = mov_write_packet,
4245 .write_trailer = mov_write_trailer,
4246 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4247 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4248 .priv_class = &mp4_muxer_class,
4251 #if CONFIG_PSP_MUXER
4253 AVOutputFormat ff_psp_muxer = {
4255 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4256 .extensions = "mp4,psp",
4257 .priv_data_size = sizeof(MOVMuxContext),
4258 .audio_codec = AV_CODEC_ID_AAC,
4259 .video_codec = CONFIG_LIBX264_ENCODER ?
4260 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4261 .write_header = mov_write_header,
4262 .write_packet = mov_write_packet,
4263 .write_trailer = mov_write_trailer,
4264 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4265 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4266 .priv_class = &psp_muxer_class,
4269 #if CONFIG_TG2_MUXER
4271 AVOutputFormat ff_tg2_muxer = {
4273 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4274 .extensions = "3g2",
4275 .priv_data_size = sizeof(MOVMuxContext),
4276 .audio_codec = AV_CODEC_ID_AMR_NB,
4277 .video_codec = AV_CODEC_ID_H263,
4278 .write_header = mov_write_header,
4279 .write_packet = mov_write_packet,
4280 .write_trailer = mov_write_trailer,
4281 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4282 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4283 .priv_class = &tg2_muxer_class,
4286 #if CONFIG_IPOD_MUXER
4288 AVOutputFormat ff_ipod_muxer = {
4290 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4291 .mime_type = "application/mp4",
4292 .extensions = "m4v,m4a",
4293 .priv_data_size = sizeof(MOVMuxContext),
4294 .audio_codec = AV_CODEC_ID_AAC,
4295 .video_codec = AV_CODEC_ID_H264,
4296 .write_header = mov_write_header,
4297 .write_packet = mov_write_packet,
4298 .write_trailer = mov_write_trailer,
4299 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4300 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4301 .priv_class = &ipod_muxer_class,
4304 #if CONFIG_ISMV_MUXER
4306 AVOutputFormat ff_ismv_muxer = {
4308 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4309 .mime_type = "application/mp4",
4310 .extensions = "ismv,isma",
4311 .priv_data_size = sizeof(MOVMuxContext),
4312 .audio_codec = AV_CODEC_ID_AAC,
4313 .video_codec = AV_CODEC_ID_H264,
4314 .write_header = mov_write_header,
4315 .write_packet = mov_write_packet,
4316 .write_trailer = mov_write_trailer,
4317 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4318 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4319 .priv_class = &ismv_muxer_class,
4322 #if CONFIG_F4V_MUXER
4324 AVOutputFormat ff_f4v_muxer = {
4326 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4327 .mime_type = "application/f4v",
4328 .extensions = "f4v",
4329 .priv_data_size = sizeof(MOVMuxContext),
4330 .audio_codec = AV_CODEC_ID_AAC,
4331 .video_codec = AV_CODEC_ID_H264,
4332 .write_header = mov_write_header,
4333 .write_packet = mov_write_packet,
4334 .write_trailer = mov_write_trailer,
4335 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4336 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4337 .priv_class = &f4v_muxer_class,