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
28 #include "avio_internal.h"
33 #include "libavcodec/get_bits.h"
34 #include "libavcodec/put_bits.h"
35 #include "libavcodec/vc1.h"
37 #include "libavutil/avstring.h"
38 #include "libavutil/intfloat.h"
39 #include "libavutil/mathematics.h"
40 #include "libavutil/opt.h"
41 #include "libavutil/dict.h"
48 static const AVOption options[] = {
49 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
50 { "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" },
51 { "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 },
52 { "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" },
53 { "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" },
54 { "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" },
55 { "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" },
56 { "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" },
57 { "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" },
58 { "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" },
59 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
60 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
61 { "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},
62 { "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},
63 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
64 { "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},
65 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
66 { "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},
67 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
68 { "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},
72 #define MOV_CLASS(flavor)\
73 static const AVClass flavor ## _muxer_class = {\
74 .class_name = #flavor " muxer",\
75 .item_name = av_default_item_name,\
77 .version = LIBAVUTIL_VERSION_INT,\
80 static int get_moov_size(AVFormatContext *s);
82 //FIXME support 64 bit variant with wide placeholders
83 static int64_t update_size(AVIOContext *pb, int64_t pos)
85 int64_t curpos = avio_tell(pb);
86 avio_seek(pb, pos, SEEK_SET);
87 avio_wb32(pb, curpos - pos); /* rewrite size */
88 avio_seek(pb, curpos, SEEK_SET);
93 static int supports_edts(MOVMuxContext *mov)
95 // EDTS with fragments is tricky as we don't know the duration when its written
96 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
99 static int co64_required(const MOVTrack *track)
101 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
106 /* Chunk offset atom */
107 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
110 int mode64 = co64_required(track); // use 32 bit size variant if possible
111 int64_t pos = avio_tell(pb);
112 avio_wb32(pb, 0); /* size */
114 ffio_wfourcc(pb, "co64");
116 ffio_wfourcc(pb, "stco");
117 avio_wb32(pb, 0); /* version & flags */
118 avio_wb32(pb, track->chunkCount); /* entry count */
119 for (i = 0; i < track->entry; i++) {
120 if (!track->cluster[i].chunkNum)
123 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
125 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
127 return update_size(pb, pos);
130 /* Sample size atom */
131 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
134 int i, j, entries = 0, tst = -1, oldtst = -1;
136 int64_t pos = avio_tell(pb);
137 avio_wb32(pb, 0); /* size */
138 ffio_wfourcc(pb, "stsz");
139 avio_wb32(pb, 0); /* version & flags */
141 for (i = 0; i < track->entry; i++) {
142 tst = track->cluster[i].size / track->cluster[i].entries;
143 if (oldtst != -1 && tst != oldtst)
146 entries += track->cluster[i].entries;
148 if (equalChunks && track->entry) {
149 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
150 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
151 avio_wb32(pb, sSize); // sample size
152 avio_wb32(pb, entries); // sample count
154 avio_wb32(pb, 0); // sample size
155 avio_wb32(pb, entries); // sample count
156 for (i = 0; i < track->entry; i++) {
157 for (j = 0; j < track->cluster[i].entries; j++) {
158 avio_wb32(pb, track->cluster[i].size /
159 track->cluster[i].entries);
163 return update_size(pb, pos);
166 /* Sample to chunk atom */
167 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
169 int index = 0, oldval = -1, i;
170 int64_t entryPos, curpos;
172 int64_t pos = avio_tell(pb);
173 avio_wb32(pb, 0); /* size */
174 ffio_wfourcc(pb, "stsc");
175 avio_wb32(pb, 0); // version & flags
176 entryPos = avio_tell(pb);
177 avio_wb32(pb, track->chunkCount); // entry count
178 for (i = 0; i < track->entry; i++) {
179 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
180 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
181 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
182 avio_wb32(pb, 0x1); // sample description index
183 oldval = track->cluster[i].samples_in_chunk;
187 curpos = avio_tell(pb);
188 avio_seek(pb, entryPos, SEEK_SET);
189 avio_wb32(pb, index); // rewrite size
190 avio_seek(pb, curpos, SEEK_SET);
192 return update_size(pb, pos);
195 /* Sync sample atom */
196 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
198 int64_t curpos, entryPos;
200 int64_t pos = avio_tell(pb);
201 avio_wb32(pb, 0); // size
202 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
203 avio_wb32(pb, 0); // version & flags
204 entryPos = avio_tell(pb);
205 avio_wb32(pb, track->entry); // entry count
206 for (i = 0; i < track->entry; i++) {
207 if (track->cluster[i].flags & flag) {
208 avio_wb32(pb, i + 1);
212 curpos = avio_tell(pb);
213 avio_seek(pb, entryPos, SEEK_SET);
214 avio_wb32(pb, index); // rewrite size
215 avio_seek(pb, curpos, SEEK_SET);
216 return update_size(pb, pos);
219 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
221 avio_wb32(pb, 0x11); /* size */
222 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
223 else ffio_wfourcc(pb, "damr");
224 ffio_wfourcc(pb, "FFMP");
225 avio_w8(pb, 0); /* decoder version */
227 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
228 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
229 avio_w8(pb, 0x01); /* Frames per sample */
233 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
238 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
240 if (track->vos_len < 7)
244 ffio_wfourcc(pb, "dac3");
246 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
247 fscod = get_bits(&gbc, 2);
248 frmsizecod = get_bits(&gbc, 6);
249 bsid = get_bits(&gbc, 5);
250 bsmod = get_bits(&gbc, 3);
251 acmod = get_bits(&gbc, 3);
253 skip_bits(&gbc, 2); // dsurmod
255 if ((acmod & 1) && acmod != 1)
256 skip_bits(&gbc, 2); // cmixlev
258 skip_bits(&gbc, 2); // surmixlev
260 lfeon = get_bits1(&gbc);
262 init_put_bits(&pbc, buf, sizeof(buf));
263 put_bits(&pbc, 2, fscod);
264 put_bits(&pbc, 5, bsid);
265 put_bits(&pbc, 3, bsmod);
266 put_bits(&pbc, 3, acmod);
267 put_bits(&pbc, 1, lfeon);
268 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
269 put_bits(&pbc, 5, 0); // reserved
271 flush_put_bits(&pbc);
272 avio_write(pb, buf, sizeof(buf));
278 * This function writes extradata "as is".
279 * Extradata must be formatted like a valid atom (with size and tag).
281 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
283 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
284 return track->enc->extradata_size;
287 static int mov_write_enda_tag(AVIOContext *pb)
290 ffio_wfourcc(pb, "enda");
291 avio_wb16(pb, 1); /* little endian */
295 static int mov_write_enda_tag_be(AVIOContext *pb)
298 ffio_wfourcc(pb, "enda");
299 avio_wb16(pb, 0); /* big endian */
303 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
308 avio_w8(pb, (size >> (7 * i)) | 0x80);
309 avio_w8(pb, size & 0x7F);
312 static unsigned compute_avg_bitrate(MOVTrack *track)
316 if (!track->track_duration)
318 for (i = 0; i < track->entry; i++)
319 size += track->cluster[i].size;
320 return size * 8 * track->timescale / track->track_duration;
323 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
325 int64_t pos = avio_tell(pb);
326 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
327 unsigned avg_bitrate;
329 avio_wb32(pb, 0); // size
330 ffio_wfourcc(pb, "esds");
331 avio_wb32(pb, 0); // Version
334 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
335 avio_wb16(pb, track->track_id);
336 avio_w8(pb, 0x00); // flags (= no flags)
338 // DecoderConfig descriptor
339 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
341 // Object type indication
342 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
343 track->enc->codec_id == AV_CODEC_ID_MP3) &&
344 track->enc->sample_rate > 24000)
345 avio_w8(pb, 0x6B); // 11172-3
347 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
349 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
350 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
351 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
352 avio_w8(pb, 0x15); // flags (= Audiostream)
354 avio_w8(pb, 0x11); // flags (= Visualstream)
356 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
358 avg_bitrate = compute_avg_bitrate(track);
359 // maxbitrate (FIXME should be max rate in any 1 sec window)
360 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
361 avio_wb32(pb, avg_bitrate);
363 if (track->vos_len) {
364 // DecoderSpecific info descriptor
365 put_descr(pb, 0x05, track->vos_len);
366 avio_write(pb, track->vos_data, track->vos_len);
370 put_descr(pb, 0x06, 1);
372 return update_size(pb, pos);
375 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
377 return codec_id == AV_CODEC_ID_PCM_S24LE ||
378 codec_id == AV_CODEC_ID_PCM_S32LE ||
379 codec_id == AV_CODEC_ID_PCM_F32LE ||
380 codec_id == AV_CODEC_ID_PCM_F64LE;
383 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
385 return codec_id == AV_CODEC_ID_PCM_S24BE ||
386 codec_id == AV_CODEC_ID_PCM_S32BE ||
387 codec_id == AV_CODEC_ID_PCM_F32BE ||
388 codec_id == AV_CODEC_ID_PCM_F64BE;
391 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
393 int64_t pos = avio_tell(pb);
395 avio_wl32(pb, track->tag); // store it byteswapped
396 track->enc->codec_tag = av_bswap16(track->tag >> 16);
397 ff_put_wav_header(pb, track->enc);
398 return update_size(pb, pos);
401 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
403 int64_t pos = avio_tell(pb);
405 ffio_wfourcc(pb, "wfex");
406 ff_put_wav_header(pb, track->enc);
407 return update_size(pb, pos);
410 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
412 uint32_t layout_tag, bitmap;
413 int64_t pos = avio_tell(pb);
415 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
416 track->enc->channel_layout,
419 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
420 "lack of channel information\n");
424 avio_wb32(pb, 0); // Size
425 ffio_wfourcc(pb, "chan"); // Type
426 avio_w8(pb, 0); // Version
427 avio_wb24(pb, 0); // Flags
428 avio_wb32(pb, layout_tag); // mChannelLayoutTag
429 avio_wb32(pb, bitmap); // mChannelBitmap
430 avio_wb32(pb, 0); // mNumberChannelDescriptions
432 return update_size(pb, pos);
435 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
437 int64_t pos = avio_tell(pb);
439 avio_wb32(pb, 0); /* size */
440 ffio_wfourcc(pb, "wave");
442 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
443 avio_wb32(pb, 12); /* size */
444 ffio_wfourcc(pb, "frma");
445 avio_wl32(pb, track->tag);
448 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
449 /* useless atom needed by mplayer, ipod, not needed by quicktime */
450 avio_wb32(pb, 12); /* size */
451 ffio_wfourcc(pb, "mp4a");
453 mov_write_esds_tag(pb, track);
454 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
455 mov_write_enda_tag(pb);
456 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
457 mov_write_enda_tag_be(pb);
458 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
459 mov_write_amr_tag(pb, track);
460 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
461 mov_write_ac3_tag(pb, track);
462 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
463 track->enc->codec_id == AV_CODEC_ID_QDM2) {
464 mov_write_extradata_tag(pb, track);
465 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
466 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
467 mov_write_ms_tag(pb, track);
470 avio_wb32(pb, 8); /* size */
471 avio_wb32(pb, 0); /* null tag */
473 return update_size(pb, pos);
476 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
479 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
480 int unescaped_size, seq_found = 0;
481 int level = 0, interlace = 0;
482 int packet_seq = track->vc1_info.packet_seq;
483 int packet_entry = track->vc1_info.packet_entry;
484 int slices = track->vc1_info.slices;
487 if (track->start_dts == AV_NOPTS_VALUE) {
488 /* No packets written yet, vc1_info isn't authoritative yet. */
489 /* Assume inline sequence and entry headers. This will be
490 * overwritten at the end if the file is seekable. */
491 packet_seq = packet_entry = 1;
494 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
496 return AVERROR(ENOMEM);
497 start = find_next_marker(track->vos_data, end);
498 for (next = start; next < end; start = next) {
501 next = find_next_marker(start + 4, end);
502 size = next - start - 4;
505 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
506 init_get_bits(&gb, unescaped, 8 * unescaped_size);
507 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
508 int profile = get_bits(&gb, 2);
509 if (profile != PROFILE_ADVANCED) {
511 return AVERROR(ENOSYS);
514 level = get_bits(&gb, 3);
515 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
517 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
518 skip_bits(&gb, 1); /* broadcast */
519 interlace = get_bits1(&gb);
520 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
525 return AVERROR(ENOSYS);
528 init_put_bits(&pbc, buf, 7);
529 /* VC1DecSpecStruc */
530 put_bits(&pbc, 4, 12); /* profile - advanced */
531 put_bits(&pbc, 3, level);
532 put_bits(&pbc, 1, 0); /* reserved */
533 /* VC1AdvDecSpecStruc */
534 put_bits(&pbc, 3, level);
535 put_bits(&pbc, 1, 0); /* cbr */
536 put_bits(&pbc, 6, 0); /* reserved */
537 put_bits(&pbc, 1, !interlace); /* no interlace */
538 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
539 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
540 put_bits(&pbc, 1, !slices); /* no slice code */
541 put_bits(&pbc, 1, 0); /* no bframe */
542 put_bits(&pbc, 1, 0); /* reserved */
543 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
544 flush_put_bits(&pbc);
551 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
553 uint8_t buf[7] = { 0 };
556 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
559 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
560 ffio_wfourcc(pb, "dvc1");
561 track->vc1_info.struct_offset = avio_tell(pb);
562 avio_write(pb, buf, sizeof(buf));
563 avio_write(pb, track->vos_data, track->vos_len);
568 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
570 avio_wb32(pb, track->vos_len + 8);
571 ffio_wfourcc(pb, "glbl");
572 avio_write(pb, track->vos_data, track->vos_len);
573 return 8 + track->vos_len;
577 * Compute flags for 'lpcm' tag.
578 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
580 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
583 case AV_CODEC_ID_PCM_F32BE:
584 case AV_CODEC_ID_PCM_F64BE:
586 case AV_CODEC_ID_PCM_F32LE:
587 case AV_CODEC_ID_PCM_F64LE:
589 case AV_CODEC_ID_PCM_U8:
591 case AV_CODEC_ID_PCM_S16BE:
592 case AV_CODEC_ID_PCM_S24BE:
593 case AV_CODEC_ID_PCM_S32BE:
595 case AV_CODEC_ID_PCM_S8:
596 case AV_CODEC_ID_PCM_S16LE:
597 case AV_CODEC_ID_PCM_S24LE:
598 case AV_CODEC_ID_PCM_S32LE:
605 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
609 if (cluster_idx >= track->entry)
612 if (cluster_idx + 1 == track->entry)
613 next_dts = track->track_duration + track->start_dts;
615 next_dts = track->cluster[cluster_idx + 1].dts;
617 next_dts -= track->cluster[cluster_idx].dts;
619 av_assert0(next_dts >= 0);
620 av_assert0(next_dts <= INT_MAX);
625 static int get_samples_per_packet(MOVTrack *track)
627 int i, first_duration;
629 // return track->enc->frame_size;
631 /* use 1 for raw PCM */
632 if (!track->audio_vbr)
635 /* check to see if duration is constant for all clusters */
638 first_duration = get_cluster_duration(track, 0);
639 for (i = 1; i < track->entry; i++) {
640 if (get_cluster_duration(track, i) != first_duration)
643 return first_duration;
646 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
648 int64_t pos = avio_tell(pb);
650 uint32_t tag = track->tag;
652 if (track->mode == MODE_MOV) {
653 if (track->timescale > UINT16_MAX) {
654 if (mov_get_lpcm_flags(track->enc->codec_id))
655 tag = AV_RL32("lpcm");
657 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
658 mov_pcm_be_gt16(track->enc->codec_id) ||
659 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
660 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
661 track->enc->codec_id == AV_CODEC_ID_QDM2) {
666 avio_wb32(pb, 0); /* size */
667 avio_wl32(pb, tag); // store it byteswapped
668 avio_wb32(pb, 0); /* Reserved */
669 avio_wb16(pb, 0); /* Reserved */
670 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
672 /* SoundDescription */
673 avio_wb16(pb, version); /* Version */
674 avio_wb16(pb, 0); /* Revision level */
675 avio_wb32(pb, 0); /* Reserved */
680 avio_wb16(pb, 0xfffe);
682 avio_wb32(pb, 0x00010000);
684 avio_wb64(pb, av_double2int(track->enc->sample_rate));
685 avio_wb32(pb, track->enc->channels);
686 avio_wb32(pb, 0x7F000000);
687 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
688 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
689 avio_wb32(pb, track->sample_size);
690 avio_wb32(pb, get_samples_per_packet(track));
692 if (track->mode == MODE_MOV) {
693 avio_wb16(pb, track->enc->channels);
694 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
695 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
696 avio_wb16(pb, 8); /* bits per sample */
699 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
700 } else { /* reserved for mp4/3gp */
706 avio_wb16(pb, 0); /* packet size (= 0) */
707 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
708 track->enc->sample_rate : 0);
709 avio_wb16(pb, 0); /* Reserved */
712 if (version == 1) { /* SoundDescription V1 extended info */
713 if (mov_pcm_le_gt16(track->enc->codec_id) ||
714 mov_pcm_be_gt16(track->enc->codec_id))
715 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
717 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
718 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
719 avio_wb32(pb, track->sample_size); /* Bytes per frame */
720 avio_wb32(pb, 2); /* Bytes per sample */
723 if (track->mode == MODE_MOV &&
724 (track->enc->codec_id == AV_CODEC_ID_AAC ||
725 track->enc->codec_id == AV_CODEC_ID_AC3 ||
726 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
727 track->enc->codec_id == AV_CODEC_ID_ALAC ||
728 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
729 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
730 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
731 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
732 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
733 mov_write_wave_tag(pb, track);
734 else if (track->tag == MKTAG('m','p','4','a'))
735 mov_write_esds_tag(pb, track);
736 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
737 mov_write_amr_tag(pb, track);
738 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
739 mov_write_ac3_tag(pb, track);
740 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
741 mov_write_extradata_tag(pb, track);
742 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
743 mov_write_wfex_tag(pb, track);
744 else if (track->vos_len > 0)
745 mov_write_glbl_tag(pb, track);
747 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
748 mov_write_chan_tag(pb, track);
750 return update_size(pb, pos);
753 static int mov_write_d263_tag(AVIOContext *pb)
755 avio_wb32(pb, 0xf); /* size */
756 ffio_wfourcc(pb, "d263");
757 ffio_wfourcc(pb, "FFMP");
758 avio_w8(pb, 0); /* decoder version */
759 /* FIXME use AVCodecContext level/profile, when encoder will set values */
760 avio_w8(pb, 0xa); /* level */
761 avio_w8(pb, 0); /* profile */
765 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
767 int64_t pos = avio_tell(pb);
770 ffio_wfourcc(pb, "avcC");
771 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
772 return update_size(pb, pos);
775 /* also used by all avid codecs (dv, imx, meridien) and their variants */
776 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
779 avio_wb32(pb, 24); /* size */
780 ffio_wfourcc(pb, "ACLR");
781 ffio_wfourcc(pb, "ACLR");
782 ffio_wfourcc(pb, "0001");
783 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
784 avio_wb32(pb, 0); /* unknown */
786 avio_wb32(pb, 24); /* size */
787 ffio_wfourcc(pb, "APRG");
788 ffio_wfourcc(pb, "APRG");
789 ffio_wfourcc(pb, "0001");
790 avio_wb32(pb, 1); /* unknown */
791 avio_wb32(pb, 0); /* unknown */
793 avio_wb32(pb, 120); /* size */
794 ffio_wfourcc(pb, "ARES");
795 ffio_wfourcc(pb, "ARES");
796 ffio_wfourcc(pb, "0001");
797 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
798 avio_wb32(pb, track->enc->width);
799 /* values below are based on samples created with quicktime and avid codecs */
800 if (track->vos_data[5] & 2) { // interlaced
801 avio_wb32(pb, track->enc->height / 2);
802 avio_wb32(pb, 2); /* unknown */
803 avio_wb32(pb, 0); /* unknown */
804 avio_wb32(pb, 4); /* unknown */
806 avio_wb32(pb, track->enc->height);
807 avio_wb32(pb, 1); /* unknown */
808 avio_wb32(pb, 0); /* unknown */
809 if (track->enc->height == 1080)
810 avio_wb32(pb, 5); /* unknown */
812 avio_wb32(pb, 6); /* unknown */
815 for (i = 0; i < 10; i++)
818 /* extra padding for stsd needed */
823 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
825 int tag = track->enc->codec_tag;
827 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
830 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
831 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
832 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
833 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
834 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
835 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
836 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
841 static const AVCodecTag codec_ipod_tags[] = {
842 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
843 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
844 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
845 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
846 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
847 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
848 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
849 { AV_CODEC_ID_NONE, 0 },
852 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
854 int tag = track->enc->codec_tag;
856 // keep original tag for subs, ipod supports both formats
857 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
858 (tag == MKTAG('t', 'x', '3', 'g') ||
859 tag == MKTAG('t', 'e', 'x', 't'))))
860 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
862 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
863 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
864 "Quicktime/Ipod might not play the file\n");
869 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
873 if (track->enc->width == 720) { /* SD */
874 if (track->enc->height == 480) { /* NTSC */
875 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
876 else tag = MKTAG('d','v','c',' ');
877 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
878 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
879 else tag = MKTAG('d','v','p','p');
880 } else if (track->enc->height == 720) { /* HD 720 line */
881 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
882 else tag = MKTAG('d','v','h','p');
883 } else if (track->enc->height == 1080) { /* HD 1080 line */
884 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
885 else tag = MKTAG('d','v','h','6');
887 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
894 static AVRational find_fps(AVFormatContext *s, AVStream *st)
896 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
897 /* if the codec time base makes no sense, try to fallback on stream frame rate */
898 if (av_timecode_check_frame_rate(rate) < 0) {
899 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
900 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
901 rate = st->avg_frame_rate;
907 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
909 int tag = MKTAG('m', '2', 'v', '1'); //fallback tag
910 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
911 AVStream *st = track->st;
912 int rate = av_q2d(find_fps(s, st));
914 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
915 if (track->enc->width == 1280 && track->enc->height == 720) {
917 if (rate == 24) tag = MKTAG('x','d','v','4');
918 else if (rate == 25) tag = MKTAG('x','d','v','5');
919 else if (rate == 30) tag = MKTAG('x','d','v','1');
920 else if (rate == 50) tag = MKTAG('x','d','v','a');
921 else if (rate == 60) tag = MKTAG('x','d','v','9');
923 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
925 if (rate == 24) tag = MKTAG('x','d','v','6');
926 else if (rate == 25) tag = MKTAG('x','d','v','7');
927 else if (rate == 30) tag = MKTAG('x','d','v','8');
929 if (rate == 25) tag = MKTAG('x','d','v','3');
930 else if (rate == 30) tag = MKTAG('x','d','v','2');
932 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
934 if (rate == 24) tag = MKTAG('x','d','v','d');
935 else if (rate == 25) tag = MKTAG('x','d','v','e');
936 else if (rate == 30) tag = MKTAG('x','d','v','f');
938 if (rate == 25) tag = MKTAG('x','d','v','c');
939 else if (rate == 30) tag = MKTAG('x','d','v','b');
942 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
943 if (track->enc->width == 1280 && track->enc->height == 720) {
945 if (rate == 24) tag = MKTAG('x','d','5','4');
946 else if (rate == 25) tag = MKTAG('x','d','5','5');
947 else if (rate == 30) tag = MKTAG('x','d','5','1');
948 else if (rate == 50) tag = MKTAG('x','d','5','a');
949 else if (rate == 60) tag = MKTAG('x','d','5','9');
951 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
953 if (rate == 24) tag = MKTAG('x','d','5','d');
954 else if (rate == 25) tag = MKTAG('x','d','5','e');
955 else if (rate == 30) tag = MKTAG('x','d','5','f');
957 if (rate == 25) tag = MKTAG('x','d','5','c');
958 else if (rate == 30) tag = MKTAG('x','d','5','b');
966 static const struct {
967 enum AVPixelFormat pix_fmt;
970 } mov_pix_fmt_tags[] = {
971 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
972 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
973 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
974 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
975 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
976 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
977 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
978 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
979 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
980 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
981 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
982 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
983 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
984 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
985 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
988 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
990 int tag = track->enc->codec_tag;
993 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
994 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
995 tag = mov_pix_fmt_tags[i].tag;
996 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
997 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1005 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1007 int tag = track->enc->codec_tag;
1009 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1010 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1011 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1012 track->enc->codec_id == AV_CODEC_ID_H263 ||
1013 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1014 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1015 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1016 tag = mov_get_dv_codec_tag(s, track);
1017 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1018 tag = mov_get_rawvideo_codec_tag(s, track);
1019 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1020 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1021 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1022 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1023 if (!tag) { // if no mac fcc found, try with Microsoft tags
1024 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1026 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1027 "the file may be unplayable!\n");
1029 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1030 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1031 if (!tag) { // if no mac fcc found, try with Microsoft tags
1032 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1034 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1035 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1036 "the file may be unplayable!\n");
1039 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1040 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1046 static const AVCodecTag codec_3gp_tags[] = {
1047 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1048 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1049 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1050 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1051 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1052 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1053 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1054 { AV_CODEC_ID_NONE, 0 },
1057 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1058 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1059 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1060 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1061 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1062 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1063 { AV_CODEC_ID_NONE, 0 },
1066 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1070 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1071 tag = mp4_get_codec_tag(s, track);
1072 else if (track->mode == MODE_ISM) {
1073 tag = mp4_get_codec_tag(s, track);
1074 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1075 tag = MKTAG('w', 'm', 'a', ' ');
1076 } else if (track->mode == MODE_IPOD)
1077 tag = ipod_get_codec_tag(s, track);
1078 else if (track->mode & MODE_3GP)
1079 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1080 else if (track->mode == MODE_F4V)
1081 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1083 tag = mov_get_codec_tag(s, track);
1088 /** Write uuid atom.
1089 * Needed to make file play in iPods running newest firmware
1090 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1092 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1095 ffio_wfourcc(pb, "uuid");
1096 avio_wb32(pb, 0x6b6840f2);
1097 avio_wb32(pb, 0x5f244fc5);
1098 avio_wb32(pb, 0xba39a51b);
1099 avio_wb32(pb, 0xcf0323f3);
1104 static const uint16_t fiel_data[] = {
1105 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1108 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1110 unsigned mov_field_order = 0;
1111 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1112 mov_field_order = fiel_data[track->enc->field_order];
1116 ffio_wfourcc(pb, "fiel");
1117 avio_wb16(pb, mov_field_order);
1121 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1123 int64_t pos = avio_tell(pb);
1124 avio_wb32(pb, 0); /* size */
1125 avio_wl32(pb, track->tag); // store it byteswapped
1126 avio_wb32(pb, 0); /* Reserved */
1127 avio_wb16(pb, 0); /* Reserved */
1128 avio_wb16(pb, 1); /* Data-reference index */
1130 if (track->enc->extradata_size)
1131 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1133 return update_size(pb, pos);
1136 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1139 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1140 track->enc->sample_aspect_ratio.den, INT_MAX);
1143 ffio_wfourcc(pb, "pasp");
1144 avio_wb32(pb, sar.num);
1145 avio_wb32(pb, sar.den);
1149 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1151 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1152 || (track->enc->width == 1440 && track->enc->height == 1080)
1153 || (track->enc->width == 1920 && track->enc->height == 1080);
1155 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) {
1156 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1157 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1158 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1159 AVStream *st = track->st;
1160 int rate = av_q2d(find_fps(NULL, st));
1161 av_strlcatf(compressor_name, len, "XDCAM");
1162 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1163 av_strlcatf(compressor_name, len, " HD422");
1164 } else if(track->enc->width == 1440) {
1165 av_strlcatf(compressor_name, len, " HD");
1167 av_strlcatf(compressor_name, len, " EX");
1169 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1171 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1175 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1177 int64_t pos = avio_tell(pb);
1178 char compressor_name[32] = { 0 };
1180 avio_wb32(pb, 0); /* size */
1181 avio_wl32(pb, track->tag); // store it byteswapped
1182 avio_wb32(pb, 0); /* Reserved */
1183 avio_wb16(pb, 0); /* Reserved */
1184 avio_wb16(pb, 1); /* Data-reference index */
1186 avio_wb16(pb, 0); /* Codec stream version */
1187 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1188 if (track->mode == MODE_MOV) {
1189 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1190 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1191 avio_wb32(pb, 0); /* Temporal Quality */
1192 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1194 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1195 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1198 avio_wb32(pb, 0); /* Reserved */
1199 avio_wb32(pb, 0); /* Reserved */
1200 avio_wb32(pb, 0); /* Reserved */
1202 avio_wb16(pb, track->enc->width); /* Video width */
1203 avio_wb16(pb, track->height); /* Video height */
1204 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1205 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1206 avio_wb32(pb, 0); /* Data size (= 0) */
1207 avio_wb16(pb, 1); /* Frame count (= 1) */
1209 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1210 find_compressor(compressor_name, 32, track);
1211 avio_w8(pb, strlen(compressor_name));
1212 avio_write(pb, compressor_name, 31);
1214 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1215 avio_wb16(pb, track->enc->bits_per_coded_sample);
1217 avio_wb16(pb, 0x18); /* Reserved */
1218 avio_wb16(pb, 0xffff); /* Reserved */
1219 if (track->tag == MKTAG('m','p','4','v'))
1220 mov_write_esds_tag(pb, track);
1221 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1222 mov_write_d263_tag(pb);
1223 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1224 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1225 mov_write_extradata_tag(pb, track);
1227 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1228 mov_write_avid_tag(pb, track);
1229 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1230 mov_write_avcc_tag(pb, track);
1231 if (track->mode == MODE_IPOD)
1232 mov_write_uuid_tag_ipod(pb);
1233 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1234 mov_write_dvc1_tag(pb, track);
1235 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1236 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1237 /* Don't write any potential extradata here - the cropping
1238 * is signalled via the normal width/height fields. */
1239 } else if (track->vos_len > 0)
1240 mov_write_glbl_tag(pb, track);
1242 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1243 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1244 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1245 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1246 mov_write_fiel_tag(pb, track);
1248 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1249 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1250 mov_write_pasp_tag(pb, track);
1253 return update_size(pb, pos);
1256 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1258 int64_t pos = avio_tell(pb);
1259 avio_wb32(pb, 0); /* size */
1260 ffio_wfourcc(pb, "rtp ");
1261 avio_wb32(pb, 0); /* Reserved */
1262 avio_wb16(pb, 0); /* Reserved */
1263 avio_wb16(pb, 1); /* Data-reference index */
1265 avio_wb16(pb, 1); /* Hint track version */
1266 avio_wb16(pb, 1); /* Highest compatible version */
1267 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1269 avio_wb32(pb, 12); /* size */
1270 ffio_wfourcc(pb, "tims");
1271 avio_wb32(pb, track->timescale);
1273 return update_size(pb, pos);
1276 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1278 int64_t pos = avio_tell(pb);
1280 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1281 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1283 if (nb_frames > 255) {
1284 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1285 return AVERROR(EINVAL);
1288 avio_wb32(pb, 0); /* size */
1289 ffio_wfourcc(pb, "tmcd"); /* Data format */
1290 avio_wb32(pb, 0); /* Reserved */
1291 avio_wb32(pb, 1); /* Data reference index */
1292 avio_wb32(pb, 0); /* Flags */
1293 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1294 avio_wb32(pb, track->timescale); /* Timescale */
1295 avio_wb32(pb, frame_duration); /* Frame duration */
1296 avio_w8(pb, nb_frames); /* Number of frames */
1297 avio_wb24(pb, 0); /* Reserved */
1298 /* TODO: source reference string */
1301 avio_wb32(pb, 0); /* size */
1302 ffio_wfourcc(pb, "tmcd"); /* Data format */
1303 avio_wb32(pb, 0); /* Reserved */
1304 avio_wb32(pb, 1); /* Data reference index */
1305 if (track->enc->extradata_size)
1306 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1308 return update_size(pb, pos);
1311 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1313 int64_t pos = avio_tell(pb);
1314 avio_wb32(pb, 0); /* size */
1315 ffio_wfourcc(pb, "stsd");
1316 avio_wb32(pb, 0); /* version & flags */
1317 avio_wb32(pb, 1); /* entry count */
1318 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1319 mov_write_video_tag(pb, track);
1320 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1321 mov_write_audio_tag(pb, track);
1322 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1323 mov_write_subtitle_tag(pb, track);
1324 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1325 mov_write_rtp_tag(pb, track);
1326 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1327 mov_write_tmcd_tag(pb, track);
1328 return update_size(pb, pos);
1331 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1333 MOVStts *ctts_entries;
1334 uint32_t entries = 0;
1338 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1339 ctts_entries[0].count = 1;
1340 ctts_entries[0].duration = track->cluster[0].cts;
1341 for (i = 1; i < track->entry; i++) {
1342 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1343 ctts_entries[entries].count++; /* compress */
1346 ctts_entries[entries].duration = track->cluster[i].cts;
1347 ctts_entries[entries].count = 1;
1350 entries++; /* last one */
1351 atom_size = 16 + (entries * 8);
1352 avio_wb32(pb, atom_size); /* size */
1353 ffio_wfourcc(pb, "ctts");
1354 avio_wb32(pb, 0); /* version & flags */
1355 avio_wb32(pb, entries); /* entry count */
1356 for (i = 0; i < entries; i++) {
1357 avio_wb32(pb, ctts_entries[i].count);
1358 avio_wb32(pb, ctts_entries[i].duration);
1360 av_free(ctts_entries);
1364 /* Time to sample atom */
1365 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1367 MOVStts *stts_entries;
1368 uint32_t entries = -1;
1372 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1373 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1374 stts_entries[0].count = track->sample_count;
1375 stts_entries[0].duration = 1;
1378 stts_entries = track->entry ?
1379 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1381 for (i = 0; i < track->entry; i++) {
1382 int duration = get_cluster_duration(track, i);
1383 if (i && duration == stts_entries[entries].duration) {
1384 stts_entries[entries].count++; /* compress */
1387 stts_entries[entries].duration = duration;
1388 stts_entries[entries].count = 1;
1391 entries++; /* last one */
1393 atom_size = 16 + (entries * 8);
1394 avio_wb32(pb, atom_size); /* size */
1395 ffio_wfourcc(pb, "stts");
1396 avio_wb32(pb, 0); /* version & flags */
1397 avio_wb32(pb, entries); /* entry count */
1398 for (i = 0; i < entries; i++) {
1399 avio_wb32(pb, stts_entries[i].count);
1400 avio_wb32(pb, stts_entries[i].duration);
1402 av_free(stts_entries);
1406 static int mov_write_dref_tag(AVIOContext *pb)
1408 avio_wb32(pb, 28); /* size */
1409 ffio_wfourcc(pb, "dref");
1410 avio_wb32(pb, 0); /* version & flags */
1411 avio_wb32(pb, 1); /* entry count */
1413 avio_wb32(pb, 0xc); /* size */
1414 //FIXME add the alis and rsrc atom
1415 ffio_wfourcc(pb, "url ");
1416 avio_wb32(pb, 1); /* version & flags */
1421 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1423 int64_t pos = avio_tell(pb);
1424 avio_wb32(pb, 0); /* size */
1425 ffio_wfourcc(pb, "stbl");
1426 mov_write_stsd_tag(pb, track);
1427 mov_write_stts_tag(pb, track);
1428 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1429 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1430 track->has_keyframes && track->has_keyframes < track->entry)
1431 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1432 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1433 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1434 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1435 track->flags & MOV_TRACK_CTTS)
1436 mov_write_ctts_tag(pb, track);
1437 mov_write_stsc_tag(pb, track);
1438 mov_write_stsz_tag(pb, track);
1439 mov_write_stco_tag(pb, track);
1440 return update_size(pb, pos);
1443 static int mov_write_dinf_tag(AVIOContext *pb)
1445 int64_t pos = avio_tell(pb);
1446 avio_wb32(pb, 0); /* size */
1447 ffio_wfourcc(pb, "dinf");
1448 mov_write_dref_tag(pb);
1449 return update_size(pb, pos);
1452 static int mov_write_nmhd_tag(AVIOContext *pb)
1455 ffio_wfourcc(pb, "nmhd");
1460 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1462 int64_t pos = avio_tell(pb);
1463 const char *font = "Lucida Grande";
1464 avio_wb32(pb, 0); /* size */
1465 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1466 avio_wb32(pb, 0); /* version & flags */
1467 avio_wb16(pb, 0); /* text font */
1468 avio_wb16(pb, 0); /* text face */
1469 avio_wb16(pb, 12); /* text size */
1470 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1471 avio_wb16(pb, 0x0000); /* text color (red) */
1472 avio_wb16(pb, 0x0000); /* text color (green) */
1473 avio_wb16(pb, 0x0000); /* text color (blue) */
1474 avio_wb16(pb, 0xffff); /* background color (red) */
1475 avio_wb16(pb, 0xffff); /* background color (green) */
1476 avio_wb16(pb, 0xffff); /* background color (blue) */
1477 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1478 avio_write(pb, font, strlen(font)); /* font name */
1479 return update_size(pb, pos);
1482 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1484 int64_t pos = avio_tell(pb);
1485 avio_wb32(pb, 0); /* size */
1486 ffio_wfourcc(pb, "gmhd");
1487 avio_wb32(pb, 0x18); /* gmin size */
1488 ffio_wfourcc(pb, "gmin");/* generic media info */
1489 avio_wb32(pb, 0); /* version & flags */
1490 avio_wb16(pb, 0x40); /* graphics mode = */
1491 avio_wb16(pb, 0x8000); /* opColor (r?) */
1492 avio_wb16(pb, 0x8000); /* opColor (g?) */
1493 avio_wb16(pb, 0x8000); /* opColor (b?) */
1494 avio_wb16(pb, 0); /* balance */
1495 avio_wb16(pb, 0); /* reserved */
1498 * This special text atom is required for
1499 * Apple Quicktime chapters. The contents
1500 * don't appear to be documented, so the
1501 * bytes are copied verbatim.
1503 if (track->tag != MKTAG('c','6','0','8')) {
1504 avio_wb32(pb, 0x2C); /* size */
1505 ffio_wfourcc(pb, "text");
1506 avio_wb16(pb, 0x01);
1507 avio_wb32(pb, 0x00);
1508 avio_wb32(pb, 0x00);
1509 avio_wb32(pb, 0x00);
1510 avio_wb32(pb, 0x01);
1511 avio_wb32(pb, 0x00);
1512 avio_wb32(pb, 0x00);
1513 avio_wb32(pb, 0x00);
1514 avio_wb32(pb, 0x00004000);
1515 avio_wb16(pb, 0x0000);
1518 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1519 int64_t tmcd_pos = avio_tell(pb);
1520 avio_wb32(pb, 0); /* size */
1521 ffio_wfourcc(pb, "tmcd");
1522 mov_write_tcmi_tag(pb, track);
1523 update_size(pb, tmcd_pos);
1525 return update_size(pb, pos);
1528 static int mov_write_smhd_tag(AVIOContext *pb)
1530 avio_wb32(pb, 16); /* size */
1531 ffio_wfourcc(pb, "smhd");
1532 avio_wb32(pb, 0); /* version & flags */
1533 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1534 avio_wb16(pb, 0); /* reserved */
1538 static int mov_write_vmhd_tag(AVIOContext *pb)
1540 avio_wb32(pb, 0x14); /* size (always 0x14) */
1541 ffio_wfourcc(pb, "vmhd");
1542 avio_wb32(pb, 0x01); /* version & flags */
1543 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1547 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1549 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1550 int64_t pos = avio_tell(pb);
1554 descr = "DataHandler";
1557 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1558 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1560 descr = "VideoHandler";
1561 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1563 descr = "SoundHandler";
1564 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1565 if (track->tag == MKTAG('c','6','0','8')) {
1567 descr = "ClosedCaptionHandler";
1569 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1570 else hdlr_type = "text";
1571 descr = "SubtitleHandler";
1573 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1575 descr = "HintHandler";
1576 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1578 descr = "TimeCodeHandler";
1581 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1582 track->enc->codec_tag);
1584 av_log(track->enc, AV_LOG_WARNING,
1585 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1586 tag_buf, track->enc->codec_tag);
1590 avio_wb32(pb, 0); /* size */
1591 ffio_wfourcc(pb, "hdlr");
1592 avio_wb32(pb, 0); /* Version & flags */
1593 avio_write(pb, hdlr, 4); /* handler */
1594 ffio_wfourcc(pb, hdlr_type); /* handler type */
1595 avio_wb32(pb, 0); /* reserved */
1596 avio_wb32(pb, 0); /* reserved */
1597 avio_wb32(pb, 0); /* reserved */
1598 if (!track || track->mode == MODE_MOV)
1599 avio_w8(pb, strlen(descr)); /* pascal string */
1600 avio_write(pb, descr, strlen(descr)); /* handler description */
1601 if (track && track->mode != MODE_MOV)
1602 avio_w8(pb, 0); /* c string */
1603 return update_size(pb, pos);
1606 static int mov_write_hmhd_tag(AVIOContext *pb)
1608 /* This atom must be present, but leaving the values at zero
1609 * seems harmless. */
1610 avio_wb32(pb, 28); /* size */
1611 ffio_wfourcc(pb, "hmhd");
1612 avio_wb32(pb, 0); /* version, flags */
1613 avio_wb16(pb, 0); /* maxPDUsize */
1614 avio_wb16(pb, 0); /* avgPDUsize */
1615 avio_wb32(pb, 0); /* maxbitrate */
1616 avio_wb32(pb, 0); /* avgbitrate */
1617 avio_wb32(pb, 0); /* reserved */
1621 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1623 int64_t pos = avio_tell(pb);
1624 avio_wb32(pb, 0); /* size */
1625 ffio_wfourcc(pb, "minf");
1626 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1627 mov_write_vmhd_tag(pb);
1628 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1629 mov_write_smhd_tag(pb);
1630 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1631 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1632 mov_write_gmhd_tag(pb, track);
1634 mov_write_nmhd_tag(pb);
1636 } else if (track->tag == MKTAG('r','t','p',' ')) {
1637 mov_write_hmhd_tag(pb);
1638 } else if (track->tag == MKTAG('t','m','c','d')) {
1639 mov_write_gmhd_tag(pb, track);
1641 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1642 mov_write_hdlr_tag(pb, NULL);
1643 mov_write_dinf_tag(pb);
1644 mov_write_stbl_tag(pb, track);
1645 return update_size(pb, pos);
1648 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1650 int version = track->track_duration < INT32_MAX ? 0 : 1;
1652 if (track->mode == MODE_ISM)
1655 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1656 ffio_wfourcc(pb, "mdhd");
1657 avio_w8(pb, version);
1658 avio_wb24(pb, 0); /* flags */
1660 avio_wb64(pb, track->time);
1661 avio_wb64(pb, track->time);
1663 avio_wb32(pb, track->time); /* creation time */
1664 avio_wb32(pb, track->time); /* modification time */
1666 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1668 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1670 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1671 avio_wb16(pb, track->language); /* language */
1672 avio_wb16(pb, 0); /* reserved (quality) */
1674 if (version != 0 && track->mode == MODE_MOV) {
1675 av_log(NULL, AV_LOG_ERROR,
1676 "FATAL error, file duration too long for timebase, this file will not be\n"
1677 "playable with quicktime. Choose a different timebase or a different\n"
1678 "container format\n");
1684 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1686 int64_t pos = avio_tell(pb);
1687 avio_wb32(pb, 0); /* size */
1688 ffio_wfourcc(pb, "mdia");
1689 mov_write_mdhd_tag(pb, track);
1690 mov_write_hdlr_tag(pb, track);
1691 mov_write_minf_tag(pb, track);
1692 return update_size(pb, pos);
1695 /* transformation matrix
1699 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1700 int16_t d, int16_t tx, int16_t ty)
1702 avio_wb32(pb, a << 16); /* 16.16 format */
1703 avio_wb32(pb, b << 16); /* 16.16 format */
1704 avio_wb32(pb, 0); /* u in 2.30 format */
1705 avio_wb32(pb, c << 16); /* 16.16 format */
1706 avio_wb32(pb, d << 16); /* 16.16 format */
1707 avio_wb32(pb, 0); /* v in 2.30 format */
1708 avio_wb32(pb, tx << 16); /* 16.16 format */
1709 avio_wb32(pb, ty << 16); /* 16.16 format */
1710 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1713 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1715 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1716 track->timescale, AV_ROUND_UP);
1717 int version = duration < INT32_MAX ? 0 : 1;
1720 if (track->mode == MODE_ISM)
1723 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1724 ffio_wfourcc(pb, "tkhd");
1725 avio_w8(pb, version);
1726 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1727 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1728 MOV_TKHD_FLAG_IN_MOVIE);
1730 avio_wb64(pb, track->time);
1731 avio_wb64(pb, track->time);
1733 avio_wb32(pb, track->time); /* creation time */
1734 avio_wb32(pb, track->time); /* modification time */
1736 avio_wb32(pb, track->track_id); /* track-id */
1737 avio_wb32(pb, 0); /* reserved */
1739 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1741 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1743 avio_wb32(pb, 0); /* reserved */
1744 avio_wb32(pb, 0); /* reserved */
1745 avio_wb16(pb, 0); /* layer */
1746 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1747 /* Volume, only for audio */
1748 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1749 avio_wb16(pb, 0x0100);
1752 avio_wb16(pb, 0); /* reserved */
1754 /* Matrix structure */
1755 if (st && st->metadata) {
1756 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1757 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1759 if (rotation == 90) {
1760 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1761 } else if (rotation == 180) {
1762 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1763 } else if (rotation == 270) {
1764 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1766 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1768 /* Track width and height, for visual only */
1769 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1770 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1771 if (track->mode == MODE_MOV) {
1772 avio_wb32(pb, track->enc->width << 16);
1773 avio_wb32(pb, track->height << 16);
1775 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1776 if (!sample_aspect_ratio || track->height != track->enc->height)
1777 sample_aspect_ratio = 1;
1778 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1779 avio_wb32(pb, track->height * 0x10000);
1788 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1790 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1791 track->enc->sample_aspect_ratio.den);
1793 int64_t pos = avio_tell(pb);
1795 avio_wb32(pb, 0); /* size */
1796 ffio_wfourcc(pb, "tapt");
1799 ffio_wfourcc(pb, "clef");
1801 avio_wb32(pb, width << 16);
1802 avio_wb32(pb, track->enc->height << 16);
1805 ffio_wfourcc(pb, "prof");
1807 avio_wb32(pb, width << 16);
1808 avio_wb32(pb, track->enc->height << 16);
1811 ffio_wfourcc(pb, "enof");
1813 avio_wb32(pb, track->enc->width << 16);
1814 avio_wb32(pb, track->enc->height << 16);
1816 return update_size(pb, pos);
1819 // This box seems important for the psp playback ... without it the movie seems to hang
1820 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1822 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1823 track->timescale, AV_ROUND_UP);
1824 int version = duration < INT32_MAX ? 0 : 1;
1825 int entry_size, entry_count, size;
1826 int64_t delay, start_ct = track->cluster[0].cts;
1827 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1828 track->timescale, AV_ROUND_DOWN);
1829 version |= delay < INT32_MAX ? 0 : 1;
1831 entry_size = (version == 1) ? 20 : 12;
1832 entry_count = 1 + (delay > 0);
1833 size = 24 + entry_count * entry_size;
1835 /* write the atom data */
1836 avio_wb32(pb, size);
1837 ffio_wfourcc(pb, "edts");
1838 avio_wb32(pb, size - 8);
1839 ffio_wfourcc(pb, "elst");
1840 avio_w8(pb, version);
1841 avio_wb24(pb, 0); /* flags */
1843 avio_wb32(pb, entry_count);
1844 if (delay > 0) { /* add an empty edit to delay presentation */
1846 avio_wb64(pb, delay);
1849 avio_wb32(pb, delay);
1852 avio_wb32(pb, 0x00010000);
1854 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1855 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1861 avio_wb64(pb, duration);
1862 avio_wb64(pb, start_ct);
1864 avio_wb32(pb, duration);
1865 avio_wb32(pb, start_ct);
1867 avio_wb32(pb, 0x00010000);
1871 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1873 avio_wb32(pb, 20); // size
1874 ffio_wfourcc(pb, "tref");
1875 avio_wb32(pb, 12); // size (subatom)
1876 avio_wl32(pb, track->tref_tag);
1877 avio_wb32(pb, track->tref_id);
1881 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1882 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1884 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1885 ffio_wfourcc(pb, "uuid");
1886 ffio_wfourcc(pb, "USMT");
1887 avio_wb32(pb, 0x21d24fce);
1888 avio_wb32(pb, 0xbb88695c);
1889 avio_wb32(pb, 0xfac9c740);
1890 avio_wb32(pb, 0x1c); // another size here!
1891 ffio_wfourcc(pb, "MTDT");
1892 avio_wb32(pb, 0x00010012);
1893 avio_wb32(pb, 0x0a);
1894 avio_wb32(pb, 0x55c40000);
1900 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1902 AVFormatContext *ctx = track->rtp_ctx;
1903 char buf[1000] = "";
1906 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1907 NULL, NULL, 0, 0, ctx);
1908 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1911 avio_wb32(pb, len + 24);
1912 ffio_wfourcc(pb, "udta");
1913 avio_wb32(pb, len + 16);
1914 ffio_wfourcc(pb, "hnti");
1915 avio_wb32(pb, len + 8);
1916 ffio_wfourcc(pb, "sdp ");
1917 avio_write(pb, buf, len);
1921 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1922 MOVTrack *track, AVStream *st)
1924 int64_t pos = avio_tell(pb);
1925 avio_wb32(pb, 0); /* size */
1926 ffio_wfourcc(pb, "trak");
1927 mov_write_tkhd_tag(pb, track, st);
1928 if (supports_edts(mov))
1929 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1930 if (track->tref_tag)
1931 mov_write_tref_tag(pb, track);
1932 mov_write_mdia_tag(pb, track);
1933 if (track->mode == MODE_PSP)
1934 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1935 if (track->tag == MKTAG('r','t','p',' '))
1936 mov_write_udta_sdp(pb, track);
1937 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1938 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1939 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1940 mov_write_tapt_tag(pb, track);
1942 return update_size(pb, pos);
1945 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1947 int i, has_audio = 0, has_video = 0;
1948 int64_t pos = avio_tell(pb);
1949 int audio_profile = mov->iods_audio_profile;
1950 int video_profile = mov->iods_video_profile;
1951 for (i = 0; i < mov->nb_streams; i++) {
1952 if (mov->tracks[i].entry > 0) {
1953 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1954 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1957 if (audio_profile < 0)
1958 audio_profile = 0xFF - has_audio;
1959 if (video_profile < 0)
1960 video_profile = 0xFF - has_video;
1961 avio_wb32(pb, 0x0); /* size */
1962 ffio_wfourcc(pb, "iods");
1963 avio_wb32(pb, 0); /* version & flags */
1964 put_descr(pb, 0x10, 7);
1965 avio_wb16(pb, 0x004f);
1968 avio_w8(pb, audio_profile);
1969 avio_w8(pb, video_profile);
1971 return update_size(pb, pos);
1974 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1976 avio_wb32(pb, 0x20); /* size */
1977 ffio_wfourcc(pb, "trex");
1978 avio_wb32(pb, 0); /* version & flags */
1979 avio_wb32(pb, track->track_id); /* track ID */
1980 avio_wb32(pb, 1); /* default sample description index */
1981 avio_wb32(pb, 0); /* default sample duration */
1982 avio_wb32(pb, 0); /* default sample size */
1983 avio_wb32(pb, 0); /* default sample flags */
1987 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1989 int64_t pos = avio_tell(pb);
1991 avio_wb32(pb, 0x0); /* size */
1992 ffio_wfourcc(pb, "mvex");
1993 for (i = 0; i < mov->nb_streams; i++)
1994 mov_write_trex_tag(pb, &mov->tracks[i]);
1995 return update_size(pb, pos);
1998 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2000 int max_track_id = 1, i;
2001 int64_t max_track_len_temp, max_track_len = 0;
2004 for (i = 0; i < mov->nb_streams; i++) {
2005 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2006 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2008 mov->tracks[i].timescale,
2010 if (max_track_len < max_track_len_temp)
2011 max_track_len = max_track_len_temp;
2012 if (max_track_id < mov->tracks[i].track_id)
2013 max_track_id = mov->tracks[i].track_id;
2017 version = max_track_len < UINT32_MAX ? 0 : 1;
2018 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2019 ffio_wfourcc(pb, "mvhd");
2020 avio_w8(pb, version);
2021 avio_wb24(pb, 0); /* flags */
2023 avio_wb64(pb, mov->time);
2024 avio_wb64(pb, mov->time);
2026 avio_wb32(pb, mov->time); /* creation time */
2027 avio_wb32(pb, mov->time); /* modification time */
2029 avio_wb32(pb, MOV_TIMESCALE);
2030 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2032 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2033 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2034 avio_wb16(pb, 0); /* reserved */
2035 avio_wb32(pb, 0); /* reserved */
2036 avio_wb32(pb, 0); /* reserved */
2038 /* Matrix structure */
2039 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2041 avio_wb32(pb, 0); /* reserved (preview time) */
2042 avio_wb32(pb, 0); /* reserved (preview duration) */
2043 avio_wb32(pb, 0); /* reserved (poster time) */
2044 avio_wb32(pb, 0); /* reserved (selection time) */
2045 avio_wb32(pb, 0); /* reserved (selection duration) */
2046 avio_wb32(pb, 0); /* reserved (current time) */
2047 avio_wb32(pb, max_track_id + 1); /* Next track id */
2051 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2054 avio_wb32(pb, 33); /* size */
2055 ffio_wfourcc(pb, "hdlr");
2058 ffio_wfourcc(pb, "mdir");
2059 ffio_wfourcc(pb, "appl");
2066 /* helper function to write a data tag with the specified string as data */
2067 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2070 int size = 16 + strlen(data);
2071 avio_wb32(pb, size); /* size */
2072 ffio_wfourcc(pb, "data");
2075 avio_write(pb, data, strlen(data));
2079 lang = ff_mov_iso639_to_lang("und", 1);
2080 avio_wb16(pb, strlen(data)); /* string length */
2081 avio_wb16(pb, lang);
2082 avio_write(pb, data, strlen(data));
2083 return strlen(data) + 4;
2087 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2088 const char *value, int lang, int long_style)
2091 if (value && value[0]) {
2092 int64_t pos = avio_tell(pb);
2093 avio_wb32(pb, 0); /* size */
2094 ffio_wfourcc(pb, name);
2095 mov_write_string_data_tag(pb, value, lang, long_style);
2096 size = update_size(pb, pos);
2101 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2102 const char *name, const char *tag,
2105 int l, lang = 0, len, len2;
2106 AVDictionaryEntry *t, *t2 = NULL;
2109 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2112 len = strlen(t->key);
2113 snprintf(tag2, sizeof(tag2), "%s-", tag);
2114 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2115 len2 = strlen(t2->key);
2116 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2117 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2122 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2125 /* iTunes bpm number */
2126 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2128 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2129 int size = 0, tmpo = t ? atoi(t->value) : 0;
2132 avio_wb32(pb, size);
2133 ffio_wfourcc(pb, "tmpo");
2134 avio_wb32(pb, size-8); /* size */
2135 ffio_wfourcc(pb, "data");
2136 avio_wb32(pb, 0x15); //type specifier
2138 avio_wb16(pb, tmpo); // data
2143 /* iTunes track or disc number */
2144 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2145 AVFormatContext *s, int disc)
2147 AVDictionaryEntry *t = av_dict_get(s->metadata,
2148 disc ? "disc" : "track",
2150 int size = 0, track = t ? atoi(t->value) : 0;
2153 char *slash = strchr(t->value, '/');
2155 tracks = atoi(slash + 1);
2156 avio_wb32(pb, 32); /* size */
2157 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2158 avio_wb32(pb, 24); /* size */
2159 ffio_wfourcc(pb, "data");
2160 avio_wb32(pb, 0); // 8 bytes empty
2162 avio_wb16(pb, 0); // empty
2163 avio_wb16(pb, track); // track / disc number
2164 avio_wb16(pb, tracks); // total track / disc number
2165 avio_wb16(pb, 0); // empty
2171 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2172 const char *name, const char *tag,
2175 AVDictionaryEntry *t = NULL;
2177 int size = 24 + len;
2179 if (len != 1 && len != 4)
2182 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2184 num = atoi(t->value);
2186 avio_wb32(pb, size);
2187 ffio_wfourcc(pb, name);
2188 avio_wb32(pb, size - 8);
2189 ffio_wfourcc(pb, "data");
2190 avio_wb32(pb, 0x15);
2192 if (len==4) avio_wb32(pb, num);
2193 else avio_w8 (pb, num);
2198 /* iTunes meta data list */
2199 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2202 int64_t pos = avio_tell(pb);
2203 avio_wb32(pb, 0); /* size */
2204 ffio_wfourcc(pb, "ilst");
2205 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2206 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2207 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2208 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2209 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2210 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2211 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2212 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2213 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2214 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2215 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2216 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2217 mov_write_string_metadata(s, pb, "desc", "description",1);
2218 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2219 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2220 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2221 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2222 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2223 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2224 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2225 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2226 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2227 mov_write_trkn_tag(pb, mov, s, 0); // track number
2228 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2229 mov_write_tmpo_tag(pb, s);
2230 return update_size(pb, pos);
2233 /* iTunes meta data tag */
2234 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2238 int64_t pos = avio_tell(pb);
2239 avio_wb32(pb, 0); /* size */
2240 ffio_wfourcc(pb, "meta");
2242 mov_write_itunes_hdlr_tag(pb, mov, s);
2243 mov_write_ilst_tag(pb, mov, s);
2244 size = update_size(pb, pos);
2248 static int utf8len(const uint8_t *b)
2253 GET_UTF8(val, *b++, return -1;)
2259 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2263 GET_UTF8(val, *b++, return -1;)
2266 avio_wb16(pb, 0x00);
2270 static uint16_t language_code(const char *str)
2272 return (((str[0] - 0x60) & 0x1F) << 10) +
2273 (((str[1] - 0x60) & 0x1F) << 5) +
2274 (( str[2] - 0x60) & 0x1F);
2277 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2278 const char *tag, const char *str)
2280 int64_t pos = avio_tell(pb);
2281 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2282 if (!t || !utf8len(t->value))
2284 avio_wb32(pb, 0); /* size */
2285 ffio_wfourcc(pb, tag); /* type */
2286 avio_wb32(pb, 0); /* version + flags */
2287 if (!strcmp(tag, "yrrc"))
2288 avio_wb16(pb, atoi(t->value));
2290 avio_wb16(pb, language_code("eng")); /* language */
2291 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2292 if (!strcmp(tag, "albm") &&
2293 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2294 avio_w8(pb, atoi(t->value));
2296 return update_size(pb, pos);
2299 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2301 int64_t pos = avio_tell(pb);
2302 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2304 avio_wb32(pb, 0); // size
2305 ffio_wfourcc(pb, "chpl");
2306 avio_wb32(pb, 0x01000000); // version + flags
2307 avio_wb32(pb, 0); // unknown
2308 avio_w8(pb, nb_chapters);
2310 for (i = 0; i < nb_chapters; i++) {
2311 AVChapter *c = s->chapters[i];
2312 AVDictionaryEntry *t;
2313 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2315 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2316 int len = FFMIN(strlen(t->value), 255);
2318 avio_write(pb, t->value, len);
2322 return update_size(pb, pos);
2325 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2328 AVIOContext *pb_buf;
2332 for (i = 0; i < s->nb_streams; i++)
2333 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2337 ret = avio_open_dyn_buf(&pb_buf);
2341 if (mov->mode & MODE_3GP) {
2342 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2343 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2344 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2345 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2346 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2347 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2348 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2349 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2350 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2351 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2352 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2353 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2354 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2355 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2356 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2357 // currently ignored by mov.c
2358 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2359 // add support for libquicktime, this atom is also actually read by mov.c
2360 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2361 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2362 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2364 /* iTunes meta data */
2365 mov_write_meta_tag(pb_buf, mov, s);
2369 mov_write_chpl_tag(pb_buf, s);
2371 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2372 avio_wb32(pb, size + 8);
2373 ffio_wfourcc(pb, "udta");
2374 avio_write(pb, buf, size);
2381 static void mov_write_psp_udta_tag(AVIOContext *pb,
2382 const char *str, const char *lang, int type)
2384 int len = utf8len(str) + 1;
2387 avio_wb16(pb, len * 2 + 10); /* size */
2388 avio_wb32(pb, type); /* type */
2389 avio_wb16(pb, language_code(lang)); /* language */
2390 avio_wb16(pb, 0x01); /* ? */
2391 ascii_to_wc(pb, str);
2394 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2396 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2400 pos = avio_tell(pb);
2401 avio_wb32(pb, 0); /* size placeholder*/
2402 ffio_wfourcc(pb, "uuid");
2403 ffio_wfourcc(pb, "USMT");
2404 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2405 avio_wb32(pb, 0xbb88695c);
2406 avio_wb32(pb, 0xfac9c740);
2408 pos2 = avio_tell(pb);
2409 avio_wb32(pb, 0); /* size placeholder*/
2410 ffio_wfourcc(pb, "MTDT");
2414 avio_wb16(pb, 0x0C); /* size */
2415 avio_wb32(pb, 0x0B); /* type */
2416 avio_wb16(pb, language_code("und")); /* language */
2417 avio_wb16(pb, 0x0); /* ? */
2418 avio_wb16(pb, 0x021C); /* data */
2420 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2421 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2422 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2424 update_size(pb, pos2);
2425 return update_size(pb, pos);
2431 static void build_chunks(MOVTrack *trk)
2434 MOVIentry *chunk = &trk->cluster[0];
2435 uint64_t chunkSize = chunk->size;
2436 chunk->chunkNum = 1;
2437 if (trk->chunkCount)
2439 trk->chunkCount = 1;
2440 for (i = 1; i<trk->entry; i++){
2441 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2442 chunkSize + trk->cluster[i].size < (1<<20)){
2443 chunkSize += trk->cluster[i].size;
2444 chunk->samples_in_chunk += trk->cluster[i].entries;
2446 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2447 chunk=&trk->cluster[i];
2448 chunkSize = chunk->size;
2454 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2458 int64_t pos = avio_tell(pb);
2459 avio_wb32(pb, 0); /* size placeholder*/
2460 ffio_wfourcc(pb, "moov");
2462 for (i = 0; i < mov->nb_streams; i++) {
2463 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2466 mov->tracks[i].time = mov->time;
2467 mov->tracks[i].track_id = i + 1;
2469 if (mov->tracks[i].entry)
2470 build_chunks(&mov->tracks[i]);
2473 if (mov->chapter_track)
2474 for (i = 0; i < s->nb_streams; i++) {
2475 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2476 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2478 for (i = 0; i < mov->nb_streams; i++) {
2479 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2480 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2481 mov->tracks[i].tref_id =
2482 mov->tracks[mov->tracks[i].src_track].track_id;
2485 for (i = 0; i < mov->nb_streams; i++) {
2486 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2487 int src_trk = mov->tracks[i].src_track;
2488 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2489 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2490 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2494 mov_write_mvhd_tag(pb, mov);
2495 if (mov->mode != MODE_MOV && !mov->iods_skip)
2496 mov_write_iods_tag(pb, mov);
2497 for (i = 0; i < mov->nb_streams; i++) {
2498 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2499 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2502 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2503 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2505 if (mov->mode == MODE_PSP)
2506 mov_write_uuidusmt_tag(pb, s);
2508 mov_write_udta_tag(pb, mov, s);
2510 return update_size(pb, pos);
2513 static void param_write_int(AVIOContext *pb, const char *name, int value)
2515 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2518 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2520 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2523 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2526 len = FFMIN(sizeof(buf) / 2 - 1, len);
2527 ff_data_to_hex(buf, value, len, 0);
2528 buf[2 * len] = '\0';
2529 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2532 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2534 int64_t pos = avio_tell(pb);
2536 static const uint8_t uuid[] = {
2537 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2538 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2542 ffio_wfourcc(pb, "uuid");
2543 avio_write(pb, uuid, sizeof(uuid));
2546 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2547 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2548 avio_printf(pb, "<head>\n");
2549 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2551 avio_printf(pb, "</head>\n");
2552 avio_printf(pb, "<body>\n");
2553 avio_printf(pb, "<switch>\n");
2554 for (i = 0; i < mov->nb_streams; i++) {
2555 MOVTrack *track = &mov->tracks[i];
2557 /* track->track_id is initialized in write_moov, and thus isn't known
2559 int track_id = i + 1;
2561 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2563 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2568 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2569 track->enc->bit_rate);
2570 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2571 param_write_int(pb, "trackID", track_id);
2572 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2573 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2575 int size = track->enc->extradata_size;
2576 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2578 param_write_hex(pb, "CodecPrivateData",
2579 ptr ? ptr : track->enc->extradata,
2583 param_write_string(pb, "FourCC", "H264");
2584 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2585 param_write_string(pb, "FourCC", "WVC1");
2586 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2587 track->enc->extradata_size);
2589 param_write_int(pb, "MaxWidth", track->enc->width);
2590 param_write_int(pb, "MaxHeight", track->enc->height);
2591 param_write_int(pb, "DisplayWidth", track->enc->width);
2592 param_write_int(pb, "DisplayHeight", track->enc->height);
2594 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2595 param_write_string(pb, "FourCC", "AACL");
2596 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2597 param_write_string(pb, "FourCC", "WMAP");
2599 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2600 track->enc->extradata_size);
2601 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2602 track->enc->codec_id));
2603 param_write_int(pb, "Channels", track->enc->channels);
2604 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2605 param_write_int(pb, "BitsPerSample", 16);
2606 param_write_int(pb, "PacketSize", track->enc->block_align ?
2607 track->enc->block_align : 4);
2609 avio_printf(pb, "</%s>\n", type);
2611 avio_printf(pb, "</switch>\n");
2612 avio_printf(pb, "</body>\n");
2613 avio_printf(pb, "</smil>\n");
2615 return update_size(pb, pos);
2618 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2621 ffio_wfourcc(pb, "mfhd");
2623 avio_wb32(pb, mov->fragments);
2627 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2628 MOVTrack *track, int64_t moof_offset)
2630 int64_t pos = avio_tell(pb);
2631 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2632 MOV_TFHD_BASE_DATA_OFFSET;
2633 if (!track->entry) {
2634 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2636 flags |= MOV_TFHD_DEFAULT_FLAGS;
2638 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2639 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2641 /* Don't set a default sample size, the silverlight player refuses
2642 * to play files with that set. Don't set a default sample duration,
2643 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2644 * file format says it MUST NOT be set. */
2645 if (track->mode == MODE_ISM)
2646 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2647 MOV_TFHD_BASE_DATA_OFFSET);
2649 avio_wb32(pb, 0); /* size placeholder */
2650 ffio_wfourcc(pb, "tfhd");
2651 avio_w8(pb, 0); /* version */
2652 avio_wb24(pb, flags);
2654 avio_wb32(pb, track->track_id); /* track-id */
2655 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2656 avio_wb64(pb, moof_offset);
2657 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2658 track->default_duration = get_cluster_duration(track, 0);
2659 avio_wb32(pb, track->default_duration);
2661 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2662 track->default_size = track->entry ? track->cluster[0].size : 1;
2663 avio_wb32(pb, track->default_size);
2665 track->default_size = -1;
2667 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2668 track->default_sample_flags =
2669 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2670 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2671 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2672 avio_wb32(pb, track->default_sample_flags);
2675 return update_size(pb, pos);
2678 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2680 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2681 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2684 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2685 MOVTrack *track, int moof_size)
2687 int64_t pos = avio_tell(pb);
2688 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2691 for (i = 0; i < track->entry; i++) {
2692 if (get_cluster_duration(track, i) != track->default_duration)
2693 flags |= MOV_TRUN_SAMPLE_DURATION;
2694 if (track->cluster[i].size != track->default_size)
2695 flags |= MOV_TRUN_SAMPLE_SIZE;
2696 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2697 flags |= MOV_TRUN_SAMPLE_FLAGS;
2699 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2700 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2701 if (track->flags & MOV_TRACK_CTTS)
2702 flags |= MOV_TRUN_SAMPLE_CTS;
2704 avio_wb32(pb, 0); /* size placeholder */
2705 ffio_wfourcc(pb, "trun");
2706 avio_w8(pb, 0); /* version */
2707 avio_wb24(pb, flags);
2709 avio_wb32(pb, track->entry); /* sample count */
2710 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2711 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2712 track->track_id != 1)
2713 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2715 avio_wb32(pb, moof_size + 8 + track->data_offset +
2716 track->cluster[0].pos); /* data offset */
2717 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2718 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2720 for (i = 0; i < track->entry; i++) {
2721 if (flags & MOV_TRUN_SAMPLE_DURATION)
2722 avio_wb32(pb, get_cluster_duration(track, i));
2723 if (flags & MOV_TRUN_SAMPLE_SIZE)
2724 avio_wb32(pb, track->cluster[i].size);
2725 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2726 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2727 if (flags & MOV_TRUN_SAMPLE_CTS)
2728 avio_wb32(pb, track->cluster[i].cts);
2731 return update_size(pb, pos);
2734 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2736 int64_t pos = avio_tell(pb);
2737 static const uint8_t uuid[] = {
2738 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2739 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2742 avio_wb32(pb, 0); /* size placeholder */
2743 ffio_wfourcc(pb, "uuid");
2744 avio_write(pb, uuid, sizeof(uuid));
2747 avio_wb64(pb, track->frag_start);
2748 avio_wb64(pb, track->start_dts + track->track_duration -
2749 track->cluster[0].dts);
2751 return update_size(pb, pos);
2754 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2755 MOVTrack *track, int entry)
2757 int n = track->nb_frag_info - 1 - entry, i;
2758 int size = 8 + 16 + 4 + 1 + 16*n;
2759 static const uint8_t uuid[] = {
2760 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2761 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2767 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2768 avio_wb32(pb, size);
2769 ffio_wfourcc(pb, "uuid");
2770 avio_write(pb, uuid, sizeof(uuid));
2774 for (i = 0; i < n; i++) {
2775 int index = entry + 1 + i;
2776 avio_wb64(pb, track->frag_info[index].time);
2777 avio_wb64(pb, track->frag_info[index].duration);
2779 if (n < mov->ism_lookahead) {
2780 int free_size = 16 * (mov->ism_lookahead - n);
2781 avio_wb32(pb, free_size);
2782 ffio_wfourcc(pb, "free");
2783 ffio_fill(pb, 0, free_size - 8);
2789 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2792 int64_t pos = avio_tell(pb);
2794 for (i = 0; i < mov->ism_lookahead; i++) {
2795 /* Update the tfrf tag for the last ism_lookahead fragments,
2796 * nb_frag_info - 1 is the next fragment to be written. */
2797 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2799 avio_seek(pb, pos, SEEK_SET);
2803 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2804 MOVTrack *track, int64_t moof_offset,
2807 int64_t pos = avio_tell(pb);
2808 avio_wb32(pb, 0); /* size placeholder */
2809 ffio_wfourcc(pb, "traf");
2811 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2812 mov_write_trun_tag(pb, mov, track, moof_size);
2813 if (mov->mode == MODE_ISM) {
2814 mov_write_tfxd_tag(pb, track);
2816 if (mov->ism_lookahead) {
2817 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2819 track->tfrf_offset = avio_tell(pb);
2820 avio_wb32(pb, 8 + size);
2821 ffio_wfourcc(pb, "free");
2822 for (i = 0; i < size; i++)
2827 return update_size(pb, pos);
2830 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2831 int tracks, int moof_size)
2833 int64_t pos = avio_tell(pb);
2836 avio_wb32(pb, 0); /* size placeholder */
2837 ffio_wfourcc(pb, "moof");
2839 mov_write_mfhd_tag(pb, mov);
2840 for (i = 0; i < mov->nb_streams; i++) {
2841 MOVTrack *track = &mov->tracks[i];
2842 if (tracks >= 0 && i != tracks)
2846 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2849 return update_size(pb, pos);
2852 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2854 AVIOContext *avio_buf;
2857 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2859 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2860 moof_size = ffio_close_null_buf(avio_buf);
2861 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2864 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2866 int64_t pos = avio_tell(pb);
2869 avio_wb32(pb, 0); /* size placeholder */
2870 ffio_wfourcc(pb, "tfra");
2871 avio_w8(pb, 1); /* version */
2874 avio_wb32(pb, track->track_id);
2875 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2876 avio_wb32(pb, track->nb_frag_info);
2877 for (i = 0; i < track->nb_frag_info; i++) {
2878 avio_wb64(pb, track->frag_info[i].time);
2879 avio_wb64(pb, track->frag_info[i].offset);
2880 avio_w8(pb, 1); /* traf number */
2881 avio_w8(pb, 1); /* trun number */
2882 avio_w8(pb, 1); /* sample number */
2885 return update_size(pb, pos);
2888 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2890 int64_t pos = avio_tell(pb);
2893 avio_wb32(pb, 0); /* size placeholder */
2894 ffio_wfourcc(pb, "mfra");
2895 /* An empty mfra atom is enough to indicate to the publishing point that
2896 * the stream has ended. */
2897 if (mov->flags & FF_MOV_FLAG_ISML)
2898 return update_size(pb, pos);
2900 for (i = 0; i < mov->nb_streams; i++) {
2901 MOVTrack *track = &mov->tracks[i];
2902 if (track->nb_frag_info)
2903 mov_write_tfra_tag(pb, track);
2907 ffio_wfourcc(pb, "mfro");
2908 avio_wb32(pb, 0); /* version + flags */
2909 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2911 return update_size(pb, pos);
2914 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2916 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2917 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2919 mov->mdat_pos = avio_tell(pb);
2920 avio_wb32(pb, 0); /* size placeholder*/
2921 ffio_wfourcc(pb, "mdat");
2925 /* TODO: This needs to be more general */
2926 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2928 MOVMuxContext *mov = s->priv_data;
2929 int64_t pos = avio_tell(pb);
2930 int has_h264 = 0, has_video = 0;
2934 for (i = 0; i < s->nb_streams; i++) {
2935 AVStream *st = s->streams[i];
2936 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2938 if (st->codec->codec_id == AV_CODEC_ID_H264)
2942 avio_wb32(pb, 0); /* size */
2943 ffio_wfourcc(pb, "ftyp");
2945 if (mov->mode == MODE_3GP) {
2946 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2947 minor = has_h264 ? 0x100 : 0x200;
2948 } else if (mov->mode & MODE_3G2) {
2949 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2950 minor = has_h264 ? 0x20000 : 0x10000;
2951 } else if (mov->mode == MODE_PSP)
2952 ffio_wfourcc(pb, "MSNV");
2953 else if (mov->mode == MODE_MP4)
2954 ffio_wfourcc(pb, "isom");
2955 else if (mov->mode == MODE_IPOD)
2956 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2957 else if (mov->mode == MODE_ISM)
2958 ffio_wfourcc(pb, "isml");
2959 else if (mov->mode == MODE_F4V)
2960 ffio_wfourcc(pb, "f4v ");
2962 ffio_wfourcc(pb, "qt ");
2964 avio_wb32(pb, minor);
2966 if (mov->mode == MODE_MOV)
2967 ffio_wfourcc(pb, "qt ");
2968 else if (mov->mode == MODE_ISM) {
2969 ffio_wfourcc(pb, "piff");
2970 ffio_wfourcc(pb, "iso2");
2972 ffio_wfourcc(pb, "isom");
2973 ffio_wfourcc(pb, "iso2");
2975 ffio_wfourcc(pb, "avc1");
2978 if (mov->mode == MODE_3GP)
2979 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2980 else if (mov->mode & MODE_3G2)
2981 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2982 else if (mov->mode == MODE_PSP)
2983 ffio_wfourcc(pb, "MSNV");
2984 else if (mov->mode == MODE_MP4)
2985 ffio_wfourcc(pb, "mp41");
2986 return update_size(pb, pos);
2989 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2991 AVCodecContext *video_codec = s->streams[0]->codec;
2992 AVCodecContext *audio_codec = s->streams[1]->codec;
2993 int audio_rate = audio_codec->sample_rate;
2994 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2995 int audio_kbitrate = audio_codec->bit_rate / 1000;
2996 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2998 avio_wb32(pb, 0x94); /* size */
2999 ffio_wfourcc(pb, "uuid");
3000 ffio_wfourcc(pb, "PROF");
3002 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3003 avio_wb32(pb, 0xbb88695c);
3004 avio_wb32(pb, 0xfac9c740);
3006 avio_wb32(pb, 0x0); /* ? */
3007 avio_wb32(pb, 0x3); /* 3 sections ? */
3009 avio_wb32(pb, 0x14); /* size */
3010 ffio_wfourcc(pb, "FPRF");
3011 avio_wb32(pb, 0x0); /* ? */
3012 avio_wb32(pb, 0x0); /* ? */
3013 avio_wb32(pb, 0x0); /* ? */
3015 avio_wb32(pb, 0x2c); /* size */
3016 ffio_wfourcc(pb, "APRF"); /* audio */
3018 avio_wb32(pb, 0x2); /* TrackID */
3019 ffio_wfourcc(pb, "mp4a");
3020 avio_wb32(pb, 0x20f);
3022 avio_wb32(pb, audio_kbitrate);
3023 avio_wb32(pb, audio_kbitrate);
3024 avio_wb32(pb, audio_rate);
3025 avio_wb32(pb, audio_codec->channels);
3027 avio_wb32(pb, 0x34); /* size */
3028 ffio_wfourcc(pb, "VPRF"); /* video */
3030 avio_wb32(pb, 0x1); /* TrackID */
3031 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3032 ffio_wfourcc(pb, "avc1");
3033 avio_wb16(pb, 0x014D);
3034 avio_wb16(pb, 0x0015);
3036 ffio_wfourcc(pb, "mp4v");
3037 avio_wb16(pb, 0x0000);
3038 avio_wb16(pb, 0x0103);
3041 avio_wb32(pb, video_kbitrate);
3042 avio_wb32(pb, video_kbitrate);
3043 avio_wb32(pb, frame_rate);
3044 avio_wb32(pb, frame_rate);
3045 avio_wb16(pb, video_codec->width);
3046 avio_wb16(pb, video_codec->height);
3047 avio_wb32(pb, 0x010001); /* ? */
3050 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3053 int i, closed_gop = 0;
3055 for (i = 0; i < pkt->size - 4; i++) {
3056 c = (c << 8) + pkt->data[i];
3057 if (c == 0x1b8) { // gop
3058 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3059 } else if (c == 0x100) { // pic
3060 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3061 if (!temp_ref || closed_gop) // I picture is not reordered
3062 *flags = MOV_SYNC_SAMPLE;
3064 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3071 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3073 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3074 int seq = 0, entry = 0;
3075 int key = pkt->flags & AV_PKT_FLAG_KEY;
3076 start = find_next_marker(pkt->data, end);
3077 for (next = start; next < end; start = next) {
3078 next = find_next_marker(start + 4, end);
3079 switch (AV_RB32(start)) {
3080 case VC1_CODE_SEQHDR:
3083 case VC1_CODE_ENTRYPOINT:
3086 case VC1_CODE_SLICE:
3087 trk->vc1_info.slices = 1;
3091 if (!trk->entry && !fragment) {
3092 /* First packet in first fragment */
3093 trk->vc1_info.first_packet_seq = seq;
3094 trk->vc1_info.first_packet_entry = entry;
3095 } else if ((seq && !trk->vc1_info.packet_seq) ||
3096 (entry && !trk->vc1_info.packet_entry)) {
3098 for (i = 0; i < trk->entry; i++)
3099 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3100 trk->has_keyframes = 0;
3102 trk->vc1_info.packet_seq = 1;
3104 trk->vc1_info.packet_entry = 1;
3106 /* First fragment */
3107 if ((!seq || trk->vc1_info.first_packet_seq) &&
3108 (!entry || trk->vc1_info.first_packet_entry)) {
3109 /* First packet had the same headers as this one, readd the
3110 * sync sample flag. */
3111 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3112 trk->has_keyframes = 1;
3116 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3118 else if (trk->vc1_info.packet_seq)
3120 else if (trk->vc1_info.packet_entry)
3123 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3124 trk->has_keyframes++;
3128 static int mov_flush_fragment(AVFormatContext *s)
3130 MOVMuxContext *mov = s->priv_data;
3131 int i, first_track = -1;
3132 int64_t mdat_size = 0;
3134 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3137 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3138 int64_t pos = avio_tell(s->pb);
3140 int buf_size, moov_size;
3142 for (i = 0; i < mov->nb_streams; i++)
3143 if (!mov->tracks[i].entry)
3145 /* Don't write the initial moov unless all tracks have data */
3146 if (i < mov->nb_streams)
3149 moov_size = get_moov_size(s);
3150 for (i = 0; i < mov->nb_streams; i++)
3151 mov->tracks[i].data_offset = pos + moov_size + 8;
3153 mov_write_moov_tag(s->pb, mov, s);
3155 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3156 mov->mdat_buf = NULL;
3157 avio_wb32(s->pb, buf_size + 8);
3158 ffio_wfourcc(s->pb, "mdat");
3159 avio_write(s->pb, buf, buf_size);
3164 for (i = 0; i < mov->nb_streams; i++) {
3165 if (mov->tracks[i].entry)
3166 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3167 mov->tracks[i].track_duration -
3168 mov->tracks[i].cluster[0].dts;
3169 mov->tracks[i].entry = 0;
3175 for (i = 0; i < mov->nb_streams; i++) {
3176 MOVTrack *track = &mov->tracks[i];
3177 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3178 track->data_offset = 0;
3180 track->data_offset = mdat_size;
3181 if (!track->mdat_buf)
3183 mdat_size += avio_tell(track->mdat_buf);
3184 if (first_track < 0)
3191 for (i = 0; i < mov->nb_streams; i++) {
3192 MOVTrack *track = &mov->tracks[i];
3193 int buf_size, write_moof = 1, moof_tracks = -1;
3195 int64_t duration = 0;
3198 duration = track->start_dts + track->track_duration -
3199 track->cluster[0].dts;
3200 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3201 if (!track->mdat_buf)
3203 mdat_size = avio_tell(track->mdat_buf);
3206 write_moof = i == first_track;
3210 MOVFragmentInfo *info;
3212 track->nb_frag_info++;
3213 if (track->nb_frag_info >= track->frag_info_capacity) {
3214 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3215 if (av_reallocp_array(&track->frag_info,
3217 sizeof(*track->frag_info)))
3218 return AVERROR(ENOMEM);
3219 track->frag_info_capacity = new_capacity;
3221 info = &track->frag_info[track->nb_frag_info - 1];
3222 info->offset = avio_tell(s->pb);
3223 info->time = mov->tracks[i].frag_start;
3224 info->duration = duration;
3225 mov_write_tfrf_tags(s->pb, mov, track);
3227 mov_write_moof_tag(s->pb, mov, moof_tracks);
3228 info->tfrf_offset = track->tfrf_offset;
3231 avio_wb32(s->pb, mdat_size + 8);
3232 ffio_wfourcc(s->pb, "mdat");
3236 track->frag_start += duration;
3238 if (!track->mdat_buf)
3240 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3241 track->mdat_buf = NULL;
3243 avio_write(s->pb, buf, buf_size);
3253 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3255 MOVMuxContext *mov = s->priv_data;
3256 AVIOContext *pb = s->pb;
3257 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3258 AVCodecContext *enc = trk->enc;
3259 unsigned int samples_in_chunk = 0;
3260 int size = pkt->size;
3261 uint8_t *reformatted_data = NULL;
3264 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3265 if (duration < 0 || duration > INT_MAX) {
3266 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3270 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3271 pkt->pts = AV_NOPTS_VALUE;
3274 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3276 if (mov->fragments > 0) {
3277 if (!trk->mdat_buf) {
3278 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3283 if (!mov->mdat_buf) {
3284 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3291 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3292 /* We must find out how many AMR blocks there are in one packet */
3293 static uint16_t packed_size[16] =
3294 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3297 while (len < size && samples_in_chunk < 100) {
3298 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3301 if (samples_in_chunk > 1) {
3302 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3305 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3306 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3307 samples_in_chunk = enc->frame_size;
3308 } else if (trk->sample_size)
3309 samples_in_chunk = size / trk->sample_size;
3311 samples_in_chunk = 1;
3313 /* copy extradata if it exists */
3314 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3315 trk->vos_len = enc->extradata_size;
3316 trk->vos_data = av_malloc(trk->vos_len);
3317 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3320 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3321 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3322 if (!s->streams[pkt->stream_index]->nb_frames) {
3323 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3324 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3325 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3328 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3330 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3331 /* from x264 or from bytestream h264 */
3332 /* nal reformating needed */
3333 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3334 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3336 avio_write(pb, reformatted_data, size);
3338 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3341 avio_write(pb, pkt->data, size);
3344 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3345 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3346 /* copy frame to create needed atoms */
3347 trk->vos_len = size;
3348 trk->vos_data = av_malloc(size);
3350 return AVERROR(ENOMEM);
3351 memcpy(trk->vos_data, pkt->data, size);
3354 if (trk->entry >= trk->cluster_capacity) {
3355 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3356 if (av_reallocp_array(&trk->cluster, new_capacity,
3357 sizeof(*trk->cluster)))
3358 return AVERROR(ENOMEM);
3359 trk->cluster_capacity = new_capacity;
3362 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3363 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3364 trk->cluster[trk->entry].chunkNum = 0;
3365 trk->cluster[trk->entry].size = size;
3366 trk->cluster[trk->entry].entries = samples_in_chunk;
3367 trk->cluster[trk->entry].dts = pkt->dts;
3368 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3369 /* First packet of a new fragment. We already wrote the duration
3370 * of the last packet of the previous fragment based on track_duration,
3371 * which might not exactly match our dts. Therefore adjust the dts
3372 * of this packet to be what the previous packets duration implies. */
3373 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3375 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3376 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3378 if (trk->start_dts == AV_NOPTS_VALUE)
3379 trk->start_dts = pkt->dts;
3380 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3381 trk->last_sample_is_subtitle_end = 0;
3383 if (pkt->pts == AV_NOPTS_VALUE) {
3384 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3385 pkt->pts = pkt->dts;
3387 if (pkt->dts != pkt->pts)
3388 trk->flags |= MOV_TRACK_CTTS;
3389 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3390 trk->cluster[trk->entry].flags = 0;
3391 if (enc->codec_id == AV_CODEC_ID_VC1) {
3392 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3393 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3394 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3395 trk->entry > 0) { // force sync sample for the first key frame
3396 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3397 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3398 trk->flags |= MOV_TRACK_STPS;
3400 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3402 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3403 trk->has_keyframes++;
3406 trk->sample_count += samples_in_chunk;
3407 mov->mdat_size += size;
3409 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3410 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3411 reformatted_data, size);
3412 av_free(reformatted_data);
3416 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3418 MOVMuxContext *mov = s->priv_data;
3419 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3420 AVCodecContext *enc = trk->enc;
3421 int64_t frag_duration = 0;
3422 int size = pkt->size;
3425 return 0; /* Discard 0 sized packets */
3427 if (trk->entry && pkt->stream_index < s->nb_streams)
3428 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3429 s->streams[pkt->stream_index]->time_base,
3431 if ((mov->max_fragment_duration &&
3432 frag_duration >= mov->max_fragment_duration) ||
3433 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3434 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3435 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3436 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3437 if (frag_duration >= mov->min_fragment_duration)
3438 mov_flush_fragment(s);
3441 return ff_mov_write_packet(s, pkt);
3444 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3448 uint8_t data[2] = {0};
3451 av_init_packet(&end);
3452 end.size = sizeof(data);
3457 end.stream_index = stream_index;
3459 ret = mov_write_single_packet(s, &end);
3460 av_free_packet(&end);
3465 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3468 mov_flush_fragment(s);
3472 MOVMuxContext *mov = s->priv_data;
3474 if (!pkt->size) return 0; /* Discard 0 sized packets */
3477 * Subtitles require special handling.
3479 * 1) For full complaince, every track must have a sample at
3480 * dts == 0, which is rarely true for subtitles. So, as soon
3481 * as we see any packet with dts > 0, write an empty subtitle
3482 * at dts == 0 for any subtitle track with no samples in it.
3484 * 2) For each subtitle track, check if the current packet's
3485 * dts is past the duration of the last subtitle sample. If
3486 * so, we now need to write an end sample for that subtitle.
3488 * This must be done conditionally to allow for subtitles that
3489 * immediately replace each other, in which case an end sample
3490 * is not needed, and is, in fact, actively harmful.
3492 * 3) See mov_write_trailer for how the final end sample is
3495 for (i = 0; i < mov->nb_streams; i++) {
3496 MOVTrack *trk = &mov->tracks[i];
3499 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3500 trk->track_duration < pkt->dts &&
3501 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3502 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3503 if (ret < 0) return ret;
3504 trk->last_sample_is_subtitle_end = 1;
3508 return mov_write_single_packet(s, pkt);
3512 // QuickTime chapters involve an additional text track with the chapter names
3513 // as samples, and a tref pointing from the other tracks to the chapter one.
3514 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3518 MOVMuxContext *mov = s->priv_data;
3519 MOVTrack *track = &mov->tracks[tracknum];
3520 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3523 track->mode = mov->mode;
3524 track->tag = MKTAG('t','e','x','t');
3525 track->timescale = MOV_TIMESCALE;
3526 track->enc = avcodec_alloc_context3(NULL);
3528 return AVERROR(ENOMEM);
3529 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3531 // These properties are required to make QT recognize the chapter track
3532 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3533 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
3534 return AVERROR(ENOMEM);
3535 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3537 if (avio_open_dyn_buf(&pb) >= 0) {
3541 /* Stub header (usually for Quicktime chapter track) */
3543 avio_wb32(pb, 0x01); // displayFlags
3544 avio_w8(pb, 0x00); // horizontal justification
3545 avio_w8(pb, 0x00); // vertical justification
3546 avio_w8(pb, 0x00); // bgColourRed
3547 avio_w8(pb, 0x00); // bgColourGreen
3548 avio_w8(pb, 0x00); // bgColourBlue
3549 avio_w8(pb, 0x00); // bgColourAlpha
3551 avio_wb16(pb, 0x00); // defTextBoxTop
3552 avio_wb16(pb, 0x00); // defTextBoxLeft
3553 avio_wb16(pb, 0x00); // defTextBoxBottom
3554 avio_wb16(pb, 0x00); // defTextBoxRight
3556 avio_wb16(pb, 0x00); // startChar
3557 avio_wb16(pb, 0x00); // endChar
3558 avio_wb16(pb, 0x01); // fontID
3559 avio_w8(pb, 0x00); // fontStyleFlags
3560 avio_w8(pb, 0x00); // fontSize
3561 avio_w8(pb, 0x00); // fgColourRed
3562 avio_w8(pb, 0x00); // fgColourGreen
3563 avio_w8(pb, 0x00); // fgColourBlue
3564 avio_w8(pb, 0x00); // fgColourAlpha
3566 avio_wb32(pb, 0x0D); // box size
3567 ffio_wfourcc(pb, "ftab"); // box atom name
3568 avio_wb16(pb, 0x01); // entry count
3570 avio_wb16(pb, 0x01); // font ID
3571 avio_w8(pb, 0x00); // font name length
3573 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3574 track->enc->extradata = buf;
3575 track->enc->extradata_size = size;
3582 for (i = 0; i < s->nb_chapters; i++) {
3583 AVChapter *c = s->chapters[i];
3584 AVDictionaryEntry *t;
3586 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3587 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3588 pkt.duration = end - pkt.dts;
3590 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3591 len = strlen(t->value);
3593 pkt.data = av_malloc(pkt.size);
3595 return AVERROR(ENOMEM);
3596 AV_WB16(pkt.data, len);
3597 memcpy(pkt.data + 2, t->value, len);
3598 ff_mov_write_packet(s, &pkt);
3599 av_freep(&pkt.data);
3606 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3609 MOVMuxContext *mov = s->priv_data;
3610 MOVTrack *track = &mov->tracks[index];
3611 AVStream *src_st = s->streams[src_index];
3613 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3614 AVRational rate = find_fps(s, src_st);
3616 /* compute the frame number */
3617 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3621 /* tmcd track based on video stream */
3622 track->mode = mov->mode;
3623 track->tag = MKTAG('t','m','c','d');
3624 track->src_track = src_index;
3625 track->timescale = mov->tracks[src_index].timescale;
3626 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3627 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3629 /* encode context: tmcd data stream */
3630 track->enc = avcodec_alloc_context3(NULL);
3631 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3632 track->enc->codec_tag = track->tag;
3633 track->enc->time_base = av_inv_q(rate);
3635 /* the tmcd track just contains one packet with the frame number */
3636 pkt.data = av_malloc(pkt.size);
3637 AV_WB32(pkt.data, tc.start);
3638 ret = ff_mov_write_packet(s, &pkt);
3644 * st->disposition controls the "enabled" flag in the tkhd tag.
3645 * QuickTime will not play a track if it is not enabled. So make sure
3646 * that one track of each type (audio, video, subtitle) is enabled.
3648 * Subtitles are special. For audio and video, setting "enabled" also
3649 * makes the track "default" (i.e. it is rendered when played). For
3650 * subtitles, an "enabled" subtitle is not rendered by default, but
3651 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3654 static void enable_tracks(AVFormatContext *s)
3656 MOVMuxContext *mov = s->priv_data;
3658 uint8_t enabled[AVMEDIA_TYPE_NB];
3659 int first[AVMEDIA_TYPE_NB];
3661 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3666 for (i = 0; i < s->nb_streams; i++) {
3667 AVStream *st = s->streams[i];
3669 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3670 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3673 if (first[st->codec->codec_type] < 0)
3674 first[st->codec->codec_type] = i;
3675 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3676 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3677 enabled[st->codec->codec_type] = 1;
3681 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3683 case AVMEDIA_TYPE_VIDEO:
3684 case AVMEDIA_TYPE_AUDIO:
3685 case AVMEDIA_TYPE_SUBTITLE:
3686 if (!enabled[i] && first[i] >= 0)
3687 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3693 static void mov_free(AVFormatContext *s)
3695 MOVMuxContext *mov = s->priv_data;
3698 if (mov->chapter_track) {
3699 if (mov->tracks[mov->chapter_track].enc)
3700 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
3701 av_freep(&mov->tracks[mov->chapter_track].enc);
3704 for (i = 0; i < mov->nb_streams; i++) {
3705 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3706 ff_mov_close_hinting(&mov->tracks[i]);
3707 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3708 av_freep(&mov->tracks[i].enc);
3709 av_freep(&mov->tracks[i].cluster);
3710 av_freep(&mov->tracks[i].frag_info);
3712 if (mov->tracks[i].vos_len)
3713 av_freep(&mov->tracks[i].vos_data);
3716 av_freep(&mov->tracks);
3719 static int mov_write_header(AVFormatContext *s)
3721 AVIOContext *pb = s->pb;
3722 MOVMuxContext *mov = s->priv_data;
3723 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3724 int i, ret, hint_track = 0, tmcd_track = 0;
3726 /* Default mode == MP4 */
3727 mov->mode = MODE_MP4;
3729 if (s->oformat != NULL) {
3730 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3731 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3732 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3733 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3734 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3735 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3736 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3739 /* Set the FRAGMENT flag if any of the fragmentation methods are
3741 if (mov->max_fragment_duration || mov->max_fragment_size ||
3742 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3743 FF_MOV_FLAG_FRAG_KEYFRAME |
3744 FF_MOV_FLAG_FRAG_CUSTOM))
3745 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3747 /* Set other implicit flags immediately */
3748 if (mov->mode == MODE_ISM)
3749 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3750 FF_MOV_FLAG_FRAGMENT;
3752 /* faststart: moov at the beginning of the file, if supported */
3753 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3754 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3755 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3756 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3757 "with fragmentation and custom IO, disabling faststart\n");
3758 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3760 mov->reserved_moov_size = -1;
3763 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3764 s->avoid_negative_ts = 2;
3767 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3768 * is enabled, we don't support non-seekable output at all. */
3769 if (!s->pb->seekable &&
3770 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3771 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3772 return AVERROR(EINVAL);
3775 mov_write_ftyp_tag(pb,s);
3776 if (mov->mode == MODE_PSP) {
3777 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3778 for (i = 0; i < s->nb_streams; i++) {
3779 AVStream *st = s->streams[i];
3780 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3782 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3788 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3789 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3790 return AVERROR(EINVAL);
3792 mov_write_uuidprof_tag(pb, s);
3795 mov->nb_streams = s->nb_streams;
3796 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3797 mov->chapter_track = mov->nb_streams++;
3799 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3800 /* Add hint tracks for each audio and video stream */
3801 hint_track = mov->nb_streams;
3802 for (i = 0; i < s->nb_streams; i++) {
3803 AVStream *st = s->streams[i];
3804 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3805 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3811 if (mov->mode == MODE_MOV) {
3812 tmcd_track = mov->nb_streams;
3814 /* +1 tmcd track for each video stream with a timecode */
3815 for (i = 0; i < s->nb_streams; i++) {
3816 AVStream *st = s->streams[i];
3817 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3818 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3819 mov->nb_meta_tmcd++;
3822 /* check if there is already a tmcd track to remux */
3823 if (mov->nb_meta_tmcd) {
3824 for (i = 0; i < s->nb_streams; i++) {
3825 AVStream *st = s->streams[i];
3826 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3827 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3828 "so timecode metadata are now ignored\n");
3829 mov->nb_meta_tmcd = 0;
3834 mov->nb_streams += mov->nb_meta_tmcd;
3837 // Reserve an extra stream for chapters for the case where chapters
3838 // are written in the trailer
3839 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3841 return AVERROR(ENOMEM);
3843 for (i = 0; i < s->nb_streams; i++) {
3844 AVStream *st= s->streams[i];
3845 MOVTrack *track= &mov->tracks[i];
3846 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3848 track->enc = st->codec;
3850 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3851 if (track->language < 0)
3852 track->language = 0;
3853 track->mode = mov->mode;
3854 track->tag = mov_find_codec_tag(s, track);
3856 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
3857 "codec not currently supported in container\n",
3858 avcodec_get_name(st->codec->codec_id), i);
3859 ret = AVERROR(EINVAL);
3862 /* If hinting of this track is enabled by a later hint track,
3863 * this is updated. */
3864 track->hint_track = -1;
3865 track->start_dts = AV_NOPTS_VALUE;
3866 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3867 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3868 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3869 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3870 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3871 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3872 ret = AVERROR(EINVAL);
3875 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3877 if (mov->video_track_timescale) {
3878 track->timescale = mov->video_track_timescale;
3880 track->timescale = st->codec->time_base.den;
3881 while(track->timescale < 10000)
3882 track->timescale *= 2;
3884 if (track->mode == MODE_MOV && track->timescale > 100000)
3885 av_log(s, AV_LOG_WARNING,
3886 "WARNING codec timebase is very high. If duration is too long,\n"
3887 "file may not be playable by quicktime. Specify a shorter timebase\n"
3888 "or choose different container.\n");
3889 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3890 track->timescale = st->codec->sample_rate;
3891 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3892 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3893 track->audio_vbr = 1;
3894 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3895 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3896 st->codec->codec_id == AV_CODEC_ID_ILBC){
3897 if (!st->codec->block_align) {
3898 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3899 ret = AVERROR(EINVAL);
3902 track->sample_size = st->codec->block_align;
3903 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3904 track->audio_vbr = 1;
3906 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3908 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
3909 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
3910 track->audio_vbr = 1;
3912 if (track->mode != MODE_MOV &&
3913 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3914 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3915 i, track->enc->sample_rate);
3916 ret = AVERROR(EINVAL);
3919 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3920 track->timescale = st->codec->time_base.den;
3921 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3922 track->timescale = st->codec->time_base.den;
3924 track->timescale = MOV_TIMESCALE;
3927 track->height = st->codec->height;
3928 /* The ism specific timescale isn't mandatory, but is assumed by
3929 * some tools, such as mp4split. */
3930 if (mov->mode == MODE_ISM)
3931 track->timescale = 10000000;
3933 avpriv_set_pts_info(st, 64, 1, track->timescale);
3935 /* copy extradata if it exists */
3936 if (st->codec->extradata_size) {
3937 track->vos_len = st->codec->extradata_size;
3938 track->vos_data = av_malloc(track->vos_len);
3939 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3946 if (mov->reserved_moov_size){
3947 mov->reserved_moov_pos= avio_tell(pb);
3948 if (mov->reserved_moov_size > 0)
3949 avio_skip(pb, mov->reserved_moov_size);
3952 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3953 /* If no fragmentation options have been set, set a default. */
3954 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3955 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3956 !mov->max_fragment_duration && !mov->max_fragment_size)
3957 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3959 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3960 mov->reserved_moov_pos = avio_tell(pb);
3961 mov_write_mdat_tag(pb, mov);
3964 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3965 mov->time = ff_iso8601_to_unix_time(t->value);
3967 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3969 if (mov->chapter_track)
3970 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
3973 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3974 /* Initialize the hint tracks for each audio and video stream */
3975 for (i = 0; i < s->nb_streams; i++) {
3976 AVStream *st = s->streams[i];
3977 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3978 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3979 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
3986 if (mov->nb_meta_tmcd) {
3987 /* Initialize the tmcd tracks */
3988 for (i = 0; i < s->nb_streams; i++) {
3989 AVStream *st = s->streams[i];
3992 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3994 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3997 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4006 if (mov->flags & FF_MOV_FLAG_ISML)
4007 mov_write_isml_manifest(pb, mov);
4009 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4010 mov_write_moov_tag(pb, mov, s);
4020 static int get_moov_size(AVFormatContext *s)
4023 AVIOContext *moov_buf;
4024 MOVMuxContext *mov = s->priv_data;
4026 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4028 mov_write_moov_tag(moov_buf, mov, s);
4029 return ffio_close_null_buf(moov_buf);
4033 * This function gets the moov size if moved to the top of the file: the chunk
4034 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4035 * entries) when the moov is moved to the beginning, so the size of the moov
4036 * would change. It also updates the chunk offset tables.
4038 static int compute_moov_size(AVFormatContext *s)
4040 int i, moov_size, moov_size2;
4041 MOVMuxContext *mov = s->priv_data;
4043 moov_size = get_moov_size(s);
4047 for (i = 0; i < mov->nb_streams; i++)
4048 mov->tracks[i].data_offset += moov_size;
4050 moov_size2 = get_moov_size(s);
4054 /* if the size changed, we just switched from stco to co64 and need to
4055 * update the offsets */
4056 if (moov_size2 != moov_size)
4057 for (i = 0; i < mov->nb_streams; i++)
4058 mov->tracks[i].data_offset += moov_size2 - moov_size;
4063 static int shift_data(AVFormatContext *s)
4065 int ret = 0, moov_size;
4066 MOVMuxContext *mov = s->priv_data;
4067 int64_t pos, pos_end = avio_tell(s->pb);
4068 uint8_t *buf, *read_buf[2];
4069 int read_buf_id = 0;
4071 AVIOContext *read_pb;
4073 moov_size = compute_moov_size(s);
4077 buf = av_malloc(moov_size * 2);
4079 return AVERROR(ENOMEM);
4081 read_buf[1] = buf + moov_size;
4083 /* Shift the data: the AVIO context of the output can only be used for
4084 * writing, so we re-open the same output, but for reading. It also avoids
4085 * a read/seek/write/seek back and forth. */
4087 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4089 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4090 "the second pass (faststart)\n", s->filename);
4094 /* mark the end of the shift to up to the last data we wrote, and get ready
4096 pos_end = avio_tell(s->pb);
4097 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4099 /* start reading at where the new moov will be placed */
4100 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4101 pos = avio_tell(read_pb);
4103 #define READ_BLOCK do { \
4104 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4108 /* shift data by chunk of at most moov_size */
4113 n = read_size[read_buf_id];
4116 avio_write(s->pb, read_buf[read_buf_id], n);
4118 } while (pos < pos_end);
4119 avio_close(read_pb);
4126 static int mov_write_trailer(AVFormatContext *s)
4128 MOVMuxContext *mov = s->priv_data;
4129 AVIOContext *pb = s->pb;
4135 * Before actually writing the trailer, make sure that there are no
4136 * dangling subtitles, that need a terminating sample.
4138 for (i = 0; i < mov->nb_streams; i++) {
4139 MOVTrack *trk = &mov->tracks[i];
4140 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4141 !trk->last_sample_is_subtitle_end) {
4142 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4143 trk->last_sample_is_subtitle_end = 1;
4147 // If there were no chapters when the header was written, but there
4148 // are chapters now, write them in the trailer. This only works
4149 // when we are not doing fragments.
4150 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4151 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4152 mov->chapter_track = mov->nb_streams++;
4153 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4158 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4159 moov_pos = avio_tell(pb);
4161 /* Write size of mdat tag */
4162 if (mov->mdat_size + 8 <= UINT32_MAX) {
4163 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4164 avio_wb32(pb, mov->mdat_size + 8);
4166 /* overwrite 'wide' placeholder atom */
4167 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4168 /* special value: real atom size will be 64 bit value after
4171 ffio_wfourcc(pb, "mdat");
4172 avio_wb64(pb, mov->mdat_size + 16);
4174 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4176 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4177 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4178 res = shift_data(s);
4180 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4181 mov_write_moov_tag(pb, mov, s);
4183 } else if (mov->reserved_moov_size > 0) {
4185 mov_write_moov_tag(pb, mov, s);
4186 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4188 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4191 avio_wb32(pb, size);
4192 ffio_wfourcc(pb, "free");
4193 for (i = 0; i < size; i++)
4195 avio_seek(pb, moov_pos, SEEK_SET);
4197 mov_write_moov_tag(pb, mov, s);
4200 mov_flush_fragment(s);
4201 mov_write_mfra_tag(pb, mov);
4204 for (i = 0; i < mov->nb_streams; i++) {
4205 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4206 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4207 int64_t off = avio_tell(pb);
4209 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4210 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4211 avio_write(pb, buf, 7);
4212 avio_seek(pb, off, SEEK_SET);
4223 #if CONFIG_MOV_MUXER
4225 AVOutputFormat ff_mov_muxer = {
4227 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4228 .extensions = "mov",
4229 .priv_data_size = sizeof(MOVMuxContext),
4230 .audio_codec = AV_CODEC_ID_AAC,
4231 .video_codec = CONFIG_LIBX264_ENCODER ?
4232 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4233 .write_header = mov_write_header,
4234 .write_packet = mov_write_packet,
4235 .write_trailer = mov_write_trailer,
4236 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4237 .codec_tag = (const AVCodecTag* const []){
4238 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4240 .priv_class = &mov_muxer_class,
4243 #if CONFIG_TGP_MUXER
4245 AVOutputFormat ff_tgp_muxer = {
4247 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4248 .extensions = "3gp",
4249 .priv_data_size = sizeof(MOVMuxContext),
4250 .audio_codec = AV_CODEC_ID_AMR_NB,
4251 .video_codec = AV_CODEC_ID_H263,
4252 .write_header = mov_write_header,
4253 .write_packet = mov_write_packet,
4254 .write_trailer = mov_write_trailer,
4255 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4256 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4257 .priv_class = &tgp_muxer_class,
4260 #if CONFIG_MP4_MUXER
4262 AVOutputFormat ff_mp4_muxer = {
4264 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4265 .mime_type = "application/mp4",
4266 .extensions = "mp4",
4267 .priv_data_size = sizeof(MOVMuxContext),
4268 .audio_codec = AV_CODEC_ID_AAC,
4269 .video_codec = CONFIG_LIBX264_ENCODER ?
4270 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4271 .write_header = mov_write_header,
4272 .write_packet = mov_write_packet,
4273 .write_trailer = mov_write_trailer,
4274 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4275 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4276 .priv_class = &mp4_muxer_class,
4279 #if CONFIG_PSP_MUXER
4281 AVOutputFormat ff_psp_muxer = {
4283 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4284 .extensions = "mp4,psp",
4285 .priv_data_size = sizeof(MOVMuxContext),
4286 .audio_codec = AV_CODEC_ID_AAC,
4287 .video_codec = CONFIG_LIBX264_ENCODER ?
4288 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4289 .write_header = mov_write_header,
4290 .write_packet = mov_write_packet,
4291 .write_trailer = mov_write_trailer,
4292 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4293 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4294 .priv_class = &psp_muxer_class,
4297 #if CONFIG_TG2_MUXER
4299 AVOutputFormat ff_tg2_muxer = {
4301 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4302 .extensions = "3g2",
4303 .priv_data_size = sizeof(MOVMuxContext),
4304 .audio_codec = AV_CODEC_ID_AMR_NB,
4305 .video_codec = AV_CODEC_ID_H263,
4306 .write_header = mov_write_header,
4307 .write_packet = mov_write_packet,
4308 .write_trailer = mov_write_trailer,
4309 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4310 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4311 .priv_class = &tg2_muxer_class,
4314 #if CONFIG_IPOD_MUXER
4316 AVOutputFormat ff_ipod_muxer = {
4318 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4319 .mime_type = "application/mp4",
4320 .extensions = "m4v,m4a",
4321 .priv_data_size = sizeof(MOVMuxContext),
4322 .audio_codec = AV_CODEC_ID_AAC,
4323 .video_codec = AV_CODEC_ID_H264,
4324 .write_header = mov_write_header,
4325 .write_packet = mov_write_packet,
4326 .write_trailer = mov_write_trailer,
4327 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4328 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4329 .priv_class = &ipod_muxer_class,
4332 #if CONFIG_ISMV_MUXER
4334 AVOutputFormat ff_ismv_muxer = {
4336 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4337 .mime_type = "application/mp4",
4338 .extensions = "ismv,isma",
4339 .priv_data_size = sizeof(MOVMuxContext),
4340 .audio_codec = AV_CODEC_ID_AAC,
4341 .video_codec = AV_CODEC_ID_H264,
4342 .write_header = mov_write_header,
4343 .write_packet = mov_write_packet,
4344 .write_trailer = mov_write_trailer,
4345 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4346 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4347 .priv_class = &ismv_muxer_class,
4350 #if CONFIG_F4V_MUXER
4352 AVOutputFormat ff_f4v_muxer = {
4354 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4355 .mime_type = "application/f4v",
4356 .extensions = "f4v",
4357 .priv_data_size = sizeof(MOVMuxContext),
4358 .audio_codec = AV_CODEC_ID_AAC,
4359 .video_codec = AV_CODEC_ID_H264,
4360 .write_header = mov_write_header,
4361 .write_packet = mov_write_packet,
4362 .write_trailer = mov_write_trailer,
4363 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4364 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4365 .priv_class = &f4v_muxer_class,