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
29 #include "avio_internal.h"
34 #include "libavcodec/get_bits.h"
35 #include "libavcodec/put_bits.h"
36 #include "libavcodec/vc1_common.h"
37 #include "libavcodec/raw.h"
39 #include "libavutil/avstring.h"
40 #include "libavutil/intfloat.h"
41 #include "libavutil/mathematics.h"
42 #include "libavutil/opt.h"
43 #include "libavutil/dict.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/timecode.h"
53 static const AVOption options[] = {
54 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "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" },
56 { "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 },
57 { "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" },
58 { "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" },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
66 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
67 { "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},
68 { "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},
69 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
70 { "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},
71 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
72 { "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},
73 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
74 { "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},
75 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
79 #define MOV_CLASS(flavor)\
80 static const AVClass flavor ## _muxer_class = {\
81 .class_name = #flavor " muxer",\
82 .item_name = av_default_item_name,\
84 .version = LIBAVUTIL_VERSION_INT,\
87 static int get_moov_size(AVFormatContext *s);
89 static int utf8len(const uint8_t *b)
94 GET_UTF8(val, *b++, return -1;)
100 //FIXME support 64 bit variant with wide placeholders
101 static int64_t update_size(AVIOContext *pb, int64_t pos)
103 int64_t curpos = avio_tell(pb);
104 avio_seek(pb, pos, SEEK_SET);
105 avio_wb32(pb, curpos - pos); /* rewrite size */
106 avio_seek(pb, curpos, SEEK_SET);
111 static int supports_edts(MOVMuxContext *mov)
113 // EDTS with fragments is tricky as we don't know the duration when its written
114 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
117 static int co64_required(const MOVTrack *track)
119 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
124 /* Chunk offset atom */
125 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
128 int mode64 = co64_required(track); // use 32 bit size variant if possible
129 int64_t pos = avio_tell(pb);
130 avio_wb32(pb, 0); /* size */
132 ffio_wfourcc(pb, "co64");
134 ffio_wfourcc(pb, "stco");
135 avio_wb32(pb, 0); /* version & flags */
136 avio_wb32(pb, track->chunkCount); /* entry count */
137 for (i = 0; i < track->entry; i++) {
138 if (!track->cluster[i].chunkNum)
141 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
143 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
145 return update_size(pb, pos);
148 /* Sample size atom */
149 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
152 int i, j, entries = 0, tst = -1, oldtst = -1;
154 int64_t pos = avio_tell(pb);
155 avio_wb32(pb, 0); /* size */
156 ffio_wfourcc(pb, "stsz");
157 avio_wb32(pb, 0); /* version & flags */
159 for (i = 0; i < track->entry; i++) {
160 tst = track->cluster[i].size / track->cluster[i].entries;
161 if (oldtst != -1 && tst != oldtst)
164 entries += track->cluster[i].entries;
166 if (equalChunks && track->entry) {
167 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
168 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
169 avio_wb32(pb, sSize); // sample size
170 avio_wb32(pb, entries); // sample count
172 avio_wb32(pb, 0); // sample size
173 avio_wb32(pb, entries); // sample count
174 for (i = 0; i < track->entry; i++) {
175 for (j = 0; j < track->cluster[i].entries; j++) {
176 avio_wb32(pb, track->cluster[i].size /
177 track->cluster[i].entries);
181 return update_size(pb, pos);
184 /* Sample to chunk atom */
185 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
187 int index = 0, oldval = -1, i;
188 int64_t entryPos, curpos;
190 int64_t pos = avio_tell(pb);
191 avio_wb32(pb, 0); /* size */
192 ffio_wfourcc(pb, "stsc");
193 avio_wb32(pb, 0); // version & flags
194 entryPos = avio_tell(pb);
195 avio_wb32(pb, track->chunkCount); // entry count
196 for (i = 0; i < track->entry; i++) {
197 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
198 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
199 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
200 avio_wb32(pb, 0x1); // sample description index
201 oldval = track->cluster[i].samples_in_chunk;
205 curpos = avio_tell(pb);
206 avio_seek(pb, entryPos, SEEK_SET);
207 avio_wb32(pb, index); // rewrite size
208 avio_seek(pb, curpos, SEEK_SET);
210 return update_size(pb, pos);
213 /* Sync sample atom */
214 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
216 int64_t curpos, entryPos;
218 int64_t pos = avio_tell(pb);
219 avio_wb32(pb, 0); // size
220 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
221 avio_wb32(pb, 0); // version & flags
222 entryPos = avio_tell(pb);
223 avio_wb32(pb, track->entry); // entry count
224 for (i = 0; i < track->entry; i++) {
225 if (track->cluster[i].flags & flag) {
226 avio_wb32(pb, i + 1);
230 curpos = avio_tell(pb);
231 avio_seek(pb, entryPos, SEEK_SET);
232 avio_wb32(pb, index); // rewrite size
233 avio_seek(pb, curpos, SEEK_SET);
234 return update_size(pb, pos);
237 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
239 avio_wb32(pb, 0x11); /* size */
240 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
241 else ffio_wfourcc(pb, "damr");
242 ffio_wfourcc(pb, "FFMP");
243 avio_w8(pb, 0); /* decoder version */
245 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
246 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
247 avio_w8(pb, 0x01); /* Frames per sample */
251 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
256 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
258 if (track->vos_len < 7)
262 ffio_wfourcc(pb, "dac3");
264 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
265 fscod = get_bits(&gbc, 2);
266 frmsizecod = get_bits(&gbc, 6);
267 bsid = get_bits(&gbc, 5);
268 bsmod = get_bits(&gbc, 3);
269 acmod = get_bits(&gbc, 3);
271 skip_bits(&gbc, 2); // dsurmod
273 if ((acmod & 1) && acmod != 1)
274 skip_bits(&gbc, 2); // cmixlev
276 skip_bits(&gbc, 2); // surmixlev
278 lfeon = get_bits1(&gbc);
280 init_put_bits(&pbc, buf, sizeof(buf));
281 put_bits(&pbc, 2, fscod);
282 put_bits(&pbc, 5, bsid);
283 put_bits(&pbc, 3, bsmod);
284 put_bits(&pbc, 3, acmod);
285 put_bits(&pbc, 1, lfeon);
286 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
287 put_bits(&pbc, 5, 0); // reserved
289 flush_put_bits(&pbc);
290 avio_write(pb, buf, sizeof(buf));
296 * This function writes extradata "as is".
297 * Extradata must be formatted like a valid atom (with size and tag).
299 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
301 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
302 return track->enc->extradata_size;
305 static int mov_write_enda_tag(AVIOContext *pb)
308 ffio_wfourcc(pb, "enda");
309 avio_wb16(pb, 1); /* little endian */
313 static int mov_write_enda_tag_be(AVIOContext *pb)
316 ffio_wfourcc(pb, "enda");
317 avio_wb16(pb, 0); /* big endian */
321 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
326 avio_w8(pb, (size >> (7 * i)) | 0x80);
327 avio_w8(pb, size & 0x7F);
330 static unsigned compute_avg_bitrate(MOVTrack *track)
334 if (!track->track_duration)
336 for (i = 0; i < track->entry; i++)
337 size += track->cluster[i].size;
338 return size * 8 * track->timescale / track->track_duration;
341 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
343 int64_t pos = avio_tell(pb);
344 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
345 unsigned avg_bitrate;
347 avio_wb32(pb, 0); // size
348 ffio_wfourcc(pb, "esds");
349 avio_wb32(pb, 0); // Version
352 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
353 avio_wb16(pb, track->track_id);
354 avio_w8(pb, 0x00); // flags (= no flags)
356 // DecoderConfig descriptor
357 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
359 // Object type indication
360 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
361 track->enc->codec_id == AV_CODEC_ID_MP3) &&
362 track->enc->sample_rate > 24000)
363 avio_w8(pb, 0x6B); // 11172-3
365 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
367 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
368 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
369 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
370 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
371 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
372 avio_w8(pb, 0x15); // flags (= Audiostream)
374 avio_w8(pb, 0x11); // flags (= Visualstream)
376 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
378 avg_bitrate = compute_avg_bitrate(track);
379 // maxbitrate (FIXME should be max rate in any 1 sec window)
380 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
381 avio_wb32(pb, avg_bitrate);
383 if (track->vos_len) {
384 // DecoderSpecific info descriptor
385 put_descr(pb, 0x05, track->vos_len);
386 avio_write(pb, track->vos_data, track->vos_len);
390 put_descr(pb, 0x06, 1);
392 return update_size(pb, pos);
395 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
397 return codec_id == AV_CODEC_ID_PCM_S24LE ||
398 codec_id == AV_CODEC_ID_PCM_S32LE ||
399 codec_id == AV_CODEC_ID_PCM_F32LE ||
400 codec_id == AV_CODEC_ID_PCM_F64LE;
403 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
405 return codec_id == AV_CODEC_ID_PCM_S24BE ||
406 codec_id == AV_CODEC_ID_PCM_S32BE ||
407 codec_id == AV_CODEC_ID_PCM_F32BE ||
408 codec_id == AV_CODEC_ID_PCM_F64BE;
411 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
414 int64_t pos = avio_tell(pb);
416 avio_wl32(pb, track->tag); // store it byteswapped
417 track->enc->codec_tag = av_bswap16(track->tag >> 16);
418 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
420 return update_size(pb, pos);
423 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
426 int64_t pos = avio_tell(pb);
428 ffio_wfourcc(pb, "wfex");
429 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
431 return update_size(pb, pos);
434 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
436 uint32_t layout_tag, bitmap;
437 int64_t pos = avio_tell(pb);
439 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
440 track->enc->channel_layout,
443 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
444 "lack of channel information\n");
448 if (track->multichannel_as_mono)
451 avio_wb32(pb, 0); // Size
452 ffio_wfourcc(pb, "chan"); // Type
453 avio_w8(pb, 0); // Version
454 avio_wb24(pb, 0); // Flags
455 avio_wb32(pb, layout_tag); // mChannelLayoutTag
456 avio_wb32(pb, bitmap); // mChannelBitmap
457 avio_wb32(pb, 0); // mNumberChannelDescriptions
459 return update_size(pb, pos);
462 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
464 int64_t pos = avio_tell(pb);
466 avio_wb32(pb, 0); /* size */
467 ffio_wfourcc(pb, "wave");
469 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
470 avio_wb32(pb, 12); /* size */
471 ffio_wfourcc(pb, "frma");
472 avio_wl32(pb, track->tag);
475 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
476 /* useless atom needed by mplayer, ipod, not needed by quicktime */
477 avio_wb32(pb, 12); /* size */
478 ffio_wfourcc(pb, "mp4a");
480 mov_write_esds_tag(pb, track);
481 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
482 mov_write_enda_tag(pb);
483 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
484 mov_write_enda_tag_be(pb);
485 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
486 mov_write_amr_tag(pb, track);
487 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
488 mov_write_ac3_tag(pb, track);
489 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
490 track->enc->codec_id == AV_CODEC_ID_QDM2) {
491 mov_write_extradata_tag(pb, track);
492 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
493 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
494 mov_write_ms_tag(pb, track);
497 avio_wb32(pb, 8); /* size */
498 avio_wb32(pb, 0); /* null tag */
500 return update_size(pb, pos);
503 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
506 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
507 int unescaped_size, seq_found = 0;
508 int level = 0, interlace = 0;
509 int packet_seq = track->vc1_info.packet_seq;
510 int packet_entry = track->vc1_info.packet_entry;
511 int slices = track->vc1_info.slices;
514 if (track->start_dts == AV_NOPTS_VALUE) {
515 /* No packets written yet, vc1_info isn't authoritative yet. */
516 /* Assume inline sequence and entry headers. This will be
517 * overwritten at the end if the file is seekable. */
518 packet_seq = packet_entry = 1;
521 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
523 return AVERROR(ENOMEM);
524 start = find_next_marker(track->vos_data, end);
525 for (next = start; next < end; start = next) {
528 next = find_next_marker(start + 4, end);
529 size = next - start - 4;
532 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
533 init_get_bits(&gb, unescaped, 8 * unescaped_size);
534 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
535 int profile = get_bits(&gb, 2);
536 if (profile != PROFILE_ADVANCED) {
538 return AVERROR(ENOSYS);
541 level = get_bits(&gb, 3);
542 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
544 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
545 skip_bits(&gb, 1); /* broadcast */
546 interlace = get_bits1(&gb);
547 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
552 return AVERROR(ENOSYS);
555 init_put_bits(&pbc, buf, 7);
556 /* VC1DecSpecStruc */
557 put_bits(&pbc, 4, 12); /* profile - advanced */
558 put_bits(&pbc, 3, level);
559 put_bits(&pbc, 1, 0); /* reserved */
560 /* VC1AdvDecSpecStruc */
561 put_bits(&pbc, 3, level);
562 put_bits(&pbc, 1, 0); /* cbr */
563 put_bits(&pbc, 6, 0); /* reserved */
564 put_bits(&pbc, 1, !interlace); /* no interlace */
565 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
566 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
567 put_bits(&pbc, 1, !slices); /* no slice code */
568 put_bits(&pbc, 1, 0); /* no bframe */
569 put_bits(&pbc, 1, 0); /* reserved */
572 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
573 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
575 put_bits32(&pbc, 0xffffffff);
577 flush_put_bits(&pbc);
584 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
586 uint8_t buf[7] = { 0 };
589 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
592 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
593 ffio_wfourcc(pb, "dvc1");
594 track->vc1_info.struct_offset = avio_tell(pb);
595 avio_write(pb, buf, sizeof(buf));
596 avio_write(pb, track->vos_data, track->vos_len);
601 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
603 avio_wb32(pb, track->vos_len + 8);
604 ffio_wfourcc(pb, "glbl");
605 avio_write(pb, track->vos_data, track->vos_len);
606 return 8 + track->vos_len;
610 * Compute flags for 'lpcm' tag.
611 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
613 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
616 case AV_CODEC_ID_PCM_F32BE:
617 case AV_CODEC_ID_PCM_F64BE:
619 case AV_CODEC_ID_PCM_F32LE:
620 case AV_CODEC_ID_PCM_F64LE:
622 case AV_CODEC_ID_PCM_U8:
624 case AV_CODEC_ID_PCM_S16BE:
625 case AV_CODEC_ID_PCM_S24BE:
626 case AV_CODEC_ID_PCM_S32BE:
628 case AV_CODEC_ID_PCM_S8:
629 case AV_CODEC_ID_PCM_S16LE:
630 case AV_CODEC_ID_PCM_S24LE:
631 case AV_CODEC_ID_PCM_S32LE:
638 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
642 if (cluster_idx >= track->entry)
645 if (cluster_idx + 1 == track->entry)
646 next_dts = track->track_duration + track->start_dts;
648 next_dts = track->cluster[cluster_idx + 1].dts;
650 next_dts -= track->cluster[cluster_idx].dts;
652 av_assert0(next_dts >= 0);
653 av_assert0(next_dts <= INT_MAX);
658 static int get_samples_per_packet(MOVTrack *track)
660 int i, first_duration;
662 // return track->enc->frame_size;
664 /* use 1 for raw PCM */
665 if (!track->audio_vbr)
668 /* check to see if duration is constant for all clusters */
671 first_duration = get_cluster_duration(track, 0);
672 for (i = 1; i < track->entry; i++) {
673 if (get_cluster_duration(track, i) != first_duration)
676 return first_duration;
679 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
681 int64_t pos = avio_tell(pb);
683 uint32_t tag = track->tag;
685 if (track->mode == MODE_MOV) {
686 if (track->timescale > UINT16_MAX) {
687 if (mov_get_lpcm_flags(track->enc->codec_id))
688 tag = AV_RL32("lpcm");
690 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
691 mov_pcm_be_gt16(track->enc->codec_id) ||
692 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
693 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
694 track->enc->codec_id == AV_CODEC_ID_QDM2) {
699 avio_wb32(pb, 0); /* size */
700 avio_wl32(pb, tag); // store it byteswapped
701 avio_wb32(pb, 0); /* Reserved */
702 avio_wb16(pb, 0); /* Reserved */
703 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
705 /* SoundDescription */
706 avio_wb16(pb, version); /* Version */
707 avio_wb16(pb, 0); /* Revision level */
708 avio_wb32(pb, 0); /* Reserved */
713 avio_wb16(pb, 0xfffe);
715 avio_wb32(pb, 0x00010000);
717 avio_wb64(pb, av_double2int(track->enc->sample_rate));
718 avio_wb32(pb, track->enc->channels);
719 avio_wb32(pb, 0x7F000000);
720 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
721 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
722 avio_wb32(pb, track->sample_size);
723 avio_wb32(pb, get_samples_per_packet(track));
725 if (track->mode == MODE_MOV) {
726 avio_wb16(pb, track->enc->channels);
727 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
728 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
729 avio_wb16(pb, 8); /* bits per sample */
732 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
733 } else { /* reserved for mp4/3gp */
739 avio_wb16(pb, 0); /* packet size (= 0) */
740 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
741 track->enc->sample_rate : 0);
742 avio_wb16(pb, 0); /* Reserved */
745 if (version == 1) { /* SoundDescription V1 extended info */
746 if (mov_pcm_le_gt16(track->enc->codec_id) ||
747 mov_pcm_be_gt16(track->enc->codec_id))
748 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
750 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
751 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
752 avio_wb32(pb, track->sample_size); /* Bytes per frame */
753 avio_wb32(pb, 2); /* Bytes per sample */
756 if (track->mode == MODE_MOV &&
757 (track->enc->codec_id == AV_CODEC_ID_AAC ||
758 track->enc->codec_id == AV_CODEC_ID_AC3 ||
759 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
760 track->enc->codec_id == AV_CODEC_ID_ALAC ||
761 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
762 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
763 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
764 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
765 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
766 mov_write_wave_tag(pb, track);
767 else if (track->tag == MKTAG('m','p','4','a'))
768 mov_write_esds_tag(pb, track);
769 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
770 mov_write_amr_tag(pb, track);
771 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
772 mov_write_ac3_tag(pb, track);
773 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
774 mov_write_extradata_tag(pb, track);
775 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
776 mov_write_wfex_tag(pb, track);
777 else if (track->vos_len > 0)
778 mov_write_glbl_tag(pb, track);
780 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
781 mov_write_chan_tag(pb, track);
783 return update_size(pb, pos);
786 static int mov_write_d263_tag(AVIOContext *pb)
788 avio_wb32(pb, 0xf); /* size */
789 ffio_wfourcc(pb, "d263");
790 ffio_wfourcc(pb, "FFMP");
791 avio_w8(pb, 0); /* decoder version */
792 /* FIXME use AVCodecContext level/profile, when encoder will set values */
793 avio_w8(pb, 0xa); /* level */
794 avio_w8(pb, 0); /* profile */
798 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
800 int64_t pos = avio_tell(pb);
803 ffio_wfourcc(pb, "avcC");
804 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
805 return update_size(pb, pos);
808 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
810 int64_t pos = avio_tell(pb);
813 ffio_wfourcc(pb, "hvcC");
814 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
815 return update_size(pb, pos);
818 /* also used by all avid codecs (dv, imx, meridien) and their variants */
819 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
822 avio_wb32(pb, 24); /* size */
823 ffio_wfourcc(pb, "ACLR");
824 ffio_wfourcc(pb, "ACLR");
825 ffio_wfourcc(pb, "0001");
826 if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
827 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
828 } else { /* Full range (0-255) */
829 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
831 avio_wb32(pb, 0); /* unknown */
833 avio_wb32(pb, 24); /* size */
834 ffio_wfourcc(pb, "APRG");
835 ffio_wfourcc(pb, "APRG");
836 ffio_wfourcc(pb, "0001");
837 avio_wb32(pb, 1); /* unknown */
838 avio_wb32(pb, 0); /* unknown */
840 avio_wb32(pb, 120); /* size */
841 ffio_wfourcc(pb, "ARES");
842 ffio_wfourcc(pb, "ARES");
843 ffio_wfourcc(pb, "0001");
844 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
845 avio_wb32(pb, track->enc->width);
846 /* values below are based on samples created with quicktime and avid codecs */
847 if (track->vos_data[5] & 2) { // interlaced
848 avio_wb32(pb, track->enc->height / 2);
849 avio_wb32(pb, 2); /* unknown */
850 avio_wb32(pb, 0); /* unknown */
851 avio_wb32(pb, 4); /* unknown */
853 avio_wb32(pb, track->enc->height);
854 avio_wb32(pb, 1); /* unknown */
855 avio_wb32(pb, 0); /* unknown */
856 if (track->enc->height == 1080)
857 avio_wb32(pb, 5); /* unknown */
859 avio_wb32(pb, 6); /* unknown */
862 for (i = 0; i < 10; i++)
865 /* extra padding for stsd needed */
870 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
872 int tag = track->enc->codec_tag;
874 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
877 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
878 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
879 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
880 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
881 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
882 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
883 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
884 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
885 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
890 static const AVCodecTag codec_ipod_tags[] = {
891 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
892 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
893 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
894 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
895 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
896 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
897 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
898 { AV_CODEC_ID_NONE, 0 },
901 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
903 int tag = track->enc->codec_tag;
905 // keep original tag for subs, ipod supports both formats
906 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
907 (tag == MKTAG('t', 'x', '3', 'g') ||
908 tag == MKTAG('t', 'e', 'x', 't'))))
909 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
911 if (!av_match_ext(s->filename, "m4a") &&
912 !av_match_ext(s->filename, "m4b") &&
913 !av_match_ext(s->filename, "m4v"))
914 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
915 "Quicktime/Ipod might not play the file\n");
920 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
924 if (track->enc->width == 720) { /* SD */
925 if (track->enc->height == 480) { /* NTSC */
926 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
927 else tag = MKTAG('d','v','c',' ');
928 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
929 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
930 else tag = MKTAG('d','v','p','p');
931 } else if (track->enc->height == 720) { /* HD 720 line */
932 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
933 else tag = MKTAG('d','v','h','p');
934 } else if (track->enc->height == 1080) { /* HD 1080 line */
935 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
936 else tag = MKTAG('d','v','h','6');
938 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
945 static AVRational find_fps(AVFormatContext *s, AVStream *st)
947 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
948 /* if the codec time base makes no sense, try to fallback on stream frame rate */
949 if (av_timecode_check_frame_rate(rate) < 0) {
950 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
951 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
952 rate = st->avg_frame_rate;
958 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
960 int tag = track->enc->codec_tag;
961 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
962 AVStream *st = track->st;
963 int rate = av_q2d(find_fps(s, st));
966 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
968 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
969 if (track->enc->width == 1280 && track->enc->height == 720) {
971 if (rate == 24) tag = MKTAG('x','d','v','4');
972 else if (rate == 25) tag = MKTAG('x','d','v','5');
973 else if (rate == 30) tag = MKTAG('x','d','v','1');
974 else if (rate == 50) tag = MKTAG('x','d','v','a');
975 else if (rate == 60) tag = MKTAG('x','d','v','9');
977 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
979 if (rate == 24) tag = MKTAG('x','d','v','6');
980 else if (rate == 25) tag = MKTAG('x','d','v','7');
981 else if (rate == 30) tag = MKTAG('x','d','v','8');
983 if (rate == 25) tag = MKTAG('x','d','v','3');
984 else if (rate == 30) tag = MKTAG('x','d','v','2');
986 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
988 if (rate == 24) tag = MKTAG('x','d','v','d');
989 else if (rate == 25) tag = MKTAG('x','d','v','e');
990 else if (rate == 30) tag = MKTAG('x','d','v','f');
992 if (rate == 25) tag = MKTAG('x','d','v','c');
993 else if (rate == 30) tag = MKTAG('x','d','v','b');
996 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
997 if (track->enc->width == 1280 && track->enc->height == 720) {
999 if (rate == 24) tag = MKTAG('x','d','5','4');
1000 else if (rate == 25) tag = MKTAG('x','d','5','5');
1001 else if (rate == 30) tag = MKTAG('x','d','5','1');
1002 else if (rate == 50) tag = MKTAG('x','d','5','a');
1003 else if (rate == 60) tag = MKTAG('x','d','5','9');
1005 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1007 if (rate == 24) tag = MKTAG('x','d','5','d');
1008 else if (rate == 25) tag = MKTAG('x','d','5','e');
1009 else if (rate == 30) tag = MKTAG('x','d','5','f');
1011 if (rate == 25) tag = MKTAG('x','d','5','c');
1012 else if (rate == 30) tag = MKTAG('x','d','5','b');
1020 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1022 int tag = track->enc->codec_tag;
1023 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1024 AVStream *st = track->st;
1025 int rate = av_q2d(find_fps(s, st));
1028 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1030 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1031 if (track->enc->width == 960 && track->enc->height == 720) {
1033 if (rate == 24) tag = MKTAG('a','i','5','p');
1034 else if (rate == 25) tag = MKTAG('a','i','5','q');
1035 else if (rate == 30) tag = MKTAG('a','i','5','p');
1036 else if (rate == 50) tag = MKTAG('a','i','5','q');
1037 else if (rate == 60) tag = MKTAG('a','i','5','p');
1039 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1041 if (rate == 24) tag = MKTAG('a','i','5','3');
1042 else if (rate == 25) tag = MKTAG('a','i','5','2');
1043 else if (rate == 30) tag = MKTAG('a','i','5','3');
1045 if (rate == 50) tag = MKTAG('a','i','5','5');
1046 else if (rate == 60) tag = MKTAG('a','i','5','6');
1049 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1050 if (track->enc->width == 1280 && track->enc->height == 720) {
1052 if (rate == 24) tag = MKTAG('a','i','1','p');
1053 else if (rate == 25) tag = MKTAG('a','i','1','q');
1054 else if (rate == 30) tag = MKTAG('a','i','1','p');
1055 else if (rate == 50) tag = MKTAG('a','i','1','q');
1056 else if (rate == 60) tag = MKTAG('a','i','1','p');
1058 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1060 if (rate == 24) tag = MKTAG('a','i','1','3');
1061 else if (rate == 25) tag = MKTAG('a','i','1','2');
1062 else if (rate == 30) tag = MKTAG('a','i','1','3');
1064 if (rate == 25) tag = MKTAG('a','i','1','5');
1065 else if (rate == 50) tag = MKTAG('a','i','1','5');
1066 else if (rate == 60) tag = MKTAG('a','i','1','6');
1074 static const struct {
1075 enum AVPixelFormat pix_fmt;
1078 } mov_pix_fmt_tags[] = {
1079 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1080 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1081 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1082 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1083 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1084 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1085 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1086 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1087 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1088 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1089 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1090 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1091 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1092 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1093 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1096 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1098 int tag = track->enc->codec_tag;
1100 enum AVPixelFormat pix_fmt;
1102 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1103 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1104 tag = mov_pix_fmt_tags[i].tag;
1105 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1106 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1111 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1112 track->enc->bits_per_coded_sample);
1113 if (tag == MKTAG('r','a','w',' ') &&
1114 track->enc->pix_fmt != pix_fmt &&
1115 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1116 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1117 av_get_pix_fmt_name(track->enc->pix_fmt));
1121 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1123 int tag = track->enc->codec_tag;
1125 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1126 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1127 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1128 track->enc->codec_id == AV_CODEC_ID_H263 ||
1129 track->enc->codec_id == AV_CODEC_ID_H264 ||
1130 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1131 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1132 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1133 tag = mov_get_dv_codec_tag(s, track);
1134 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1135 tag = mov_get_rawvideo_codec_tag(s, track);
1136 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1137 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1138 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1139 tag = mov_get_h264_codec_tag(s, track);
1140 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1141 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1142 if (!tag) { // if no mac fcc found, try with Microsoft tags
1143 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1145 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1146 "the file may be unplayable!\n");
1148 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1149 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1150 if (!tag) { // if no mac fcc found, try with Microsoft tags
1151 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1153 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1154 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1155 "the file may be unplayable!\n");
1158 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1159 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1165 static const AVCodecTag codec_3gp_tags[] = {
1166 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1167 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1168 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1169 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1170 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1171 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1172 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1173 { AV_CODEC_ID_NONE, 0 },
1176 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1177 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1178 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1179 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1180 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1181 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1182 { AV_CODEC_ID_NONE, 0 },
1185 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1189 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1190 tag = mp4_get_codec_tag(s, track);
1191 else if (track->mode == MODE_ISM) {
1192 tag = mp4_get_codec_tag(s, track);
1193 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1194 tag = MKTAG('w', 'm', 'a', ' ');
1195 } else if (track->mode == MODE_IPOD)
1196 tag = ipod_get_codec_tag(s, track);
1197 else if (track->mode & MODE_3GP)
1198 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1199 else if (track->mode == MODE_F4V)
1200 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1202 tag = mov_get_codec_tag(s, track);
1207 /** Write uuid atom.
1208 * Needed to make file play in iPods running newest firmware
1209 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1211 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1214 ffio_wfourcc(pb, "uuid");
1215 avio_wb32(pb, 0x6b6840f2);
1216 avio_wb32(pb, 0x5f244fc5);
1217 avio_wb32(pb, 0xba39a51b);
1218 avio_wb32(pb, 0xcf0323f3);
1223 static const uint16_t fiel_data[] = {
1224 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1227 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1229 unsigned mov_field_order = 0;
1230 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1231 mov_field_order = fiel_data[track->enc->field_order];
1235 ffio_wfourcc(pb, "fiel");
1236 avio_wb16(pb, mov_field_order);
1240 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1242 int64_t pos = avio_tell(pb);
1243 avio_wb32(pb, 0); /* size */
1244 avio_wl32(pb, track->tag); // store it byteswapped
1245 avio_wb32(pb, 0); /* Reserved */
1246 avio_wb16(pb, 0); /* Reserved */
1247 avio_wb16(pb, 1); /* Data-reference index */
1249 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1250 mov_write_esds_tag(pb, track);
1251 else if (track->enc->extradata_size)
1252 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1254 return update_size(pb, pos);
1257 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1260 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1261 track->enc->sample_aspect_ratio.den, INT_MAX);
1264 ffio_wfourcc(pb, "pasp");
1265 avio_wb32(pb, sar.num);
1266 avio_wb32(pb, sar.den);
1270 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1272 AVDictionaryEntry *encoder;
1273 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1274 || (track->enc->width == 1440 && track->enc->height == 1080)
1275 || (track->enc->width == 1920 && track->enc->height == 1080);
1277 if (track->mode == MODE_MOV &&
1278 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1279 av_strlcpy(compressor_name, encoder->value, 32);
1280 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1281 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1282 AVStream *st = track->st;
1283 int rate = av_q2d(find_fps(NULL, st));
1284 av_strlcatf(compressor_name, len, "XDCAM");
1285 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1286 av_strlcatf(compressor_name, len, " HD422");
1287 } else if(track->enc->width == 1440) {
1288 av_strlcatf(compressor_name, len, " HD");
1290 av_strlcatf(compressor_name, len, " EX");
1292 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1294 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1298 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1300 int64_t pos = avio_tell(pb);
1301 char compressor_name[32] = { 0 };
1303 avio_wb32(pb, 0); /* size */
1304 avio_wl32(pb, track->tag); // store it byteswapped
1305 avio_wb32(pb, 0); /* Reserved */
1306 avio_wb16(pb, 0); /* Reserved */
1307 avio_wb16(pb, 1); /* Data-reference index */
1309 avio_wb16(pb, 0); /* Codec stream version */
1310 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1311 if (track->mode == MODE_MOV) {
1312 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1313 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1314 avio_wb32(pb, 0); /* Temporal Quality */
1315 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1317 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1318 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1321 avio_wb32(pb, 0); /* Reserved */
1322 avio_wb32(pb, 0); /* Reserved */
1323 avio_wb32(pb, 0); /* Reserved */
1325 avio_wb16(pb, track->enc->width); /* Video width */
1326 avio_wb16(pb, track->height); /* Video height */
1327 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1328 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1329 avio_wb32(pb, 0); /* Data size (= 0) */
1330 avio_wb16(pb, 1); /* Frame count (= 1) */
1332 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1333 find_compressor(compressor_name, 32, track);
1334 avio_w8(pb, strlen(compressor_name));
1335 avio_write(pb, compressor_name, 31);
1337 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1338 avio_wb16(pb, track->enc->bits_per_coded_sample);
1340 avio_wb16(pb, 0x18); /* Reserved */
1341 avio_wb16(pb, 0xffff); /* Reserved */
1342 if (track->tag == MKTAG('m','p','4','v'))
1343 mov_write_esds_tag(pb, track);
1344 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1345 mov_write_d263_tag(pb);
1346 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1347 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1348 mov_write_extradata_tag(pb, track);
1350 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1351 mov_write_avid_tag(pb, track);
1352 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1353 mov_write_hvcc_tag(pb, track);
1354 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1355 mov_write_avcc_tag(pb, track);
1356 if (track->mode == MODE_IPOD)
1357 mov_write_uuid_tag_ipod(pb);
1358 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1359 mov_write_dvc1_tag(pb, track);
1360 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1361 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1362 /* Don't write any potential extradata here - the cropping
1363 * is signalled via the normal width/height fields. */
1364 } else if (track->vos_len > 0)
1365 mov_write_glbl_tag(pb, track);
1367 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1368 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1369 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1370 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1371 mov_write_fiel_tag(pb, track);
1373 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1374 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1375 mov_write_pasp_tag(pb, track);
1378 return update_size(pb, pos);
1381 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1383 int64_t pos = avio_tell(pb);
1384 avio_wb32(pb, 0); /* size */
1385 ffio_wfourcc(pb, "rtp ");
1386 avio_wb32(pb, 0); /* Reserved */
1387 avio_wb16(pb, 0); /* Reserved */
1388 avio_wb16(pb, 1); /* Data-reference index */
1390 avio_wb16(pb, 1); /* Hint track version */
1391 avio_wb16(pb, 1); /* Highest compatible version */
1392 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1394 avio_wb32(pb, 12); /* size */
1395 ffio_wfourcc(pb, "tims");
1396 avio_wb32(pb, track->timescale);
1398 return update_size(pb, pos);
1401 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1403 uint64_t str_size =strlen(reel_name);
1404 int64_t pos = avio_tell(pb);
1406 if (str_size >= UINT16_MAX){
1407 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1409 return AVERROR(EINVAL);
1412 avio_wb32(pb, 0); /* size */
1413 ffio_wfourcc(pb, "name"); /* Data format */
1414 avio_wb16(pb, str_size); /* string size */
1415 avio_wb16(pb, track->language); /* langcode */
1416 avio_write(pb, reel_name, str_size); /* reel name */
1417 return update_size(pb,pos);
1420 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1422 int64_t pos = avio_tell(pb);
1424 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1425 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1426 AVDictionaryEntry *t = NULL;
1428 if (nb_frames > 255) {
1429 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1430 return AVERROR(EINVAL);
1433 avio_wb32(pb, 0); /* size */
1434 ffio_wfourcc(pb, "tmcd"); /* Data format */
1435 avio_wb32(pb, 0); /* Reserved */
1436 avio_wb32(pb, 1); /* Data reference index */
1437 avio_wb32(pb, 0); /* Flags */
1438 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1439 avio_wb32(pb, track->timescale); /* Timescale */
1440 avio_wb32(pb, frame_duration); /* Frame duration */
1441 avio_w8(pb, nb_frames); /* Number of frames */
1442 avio_w8(pb, 0); /* Reserved */
1445 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1447 if (t && utf8len(t->value))
1448 mov_write_source_reference_tag(pb, track, t->value);
1450 avio_wb16(pb, 0); /* zero size */
1453 avio_wb32(pb, 0); /* size */
1454 ffio_wfourcc(pb, "tmcd"); /* Data format */
1455 avio_wb32(pb, 0); /* Reserved */
1456 avio_wb32(pb, 1); /* Data reference index */
1457 if (track->enc->extradata_size)
1458 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1460 return update_size(pb, pos);
1463 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1465 int64_t pos = avio_tell(pb);
1466 avio_wb32(pb, 0); /* size */
1467 ffio_wfourcc(pb, "stsd");
1468 avio_wb32(pb, 0); /* version & flags */
1469 avio_wb32(pb, 1); /* entry count */
1470 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1471 mov_write_video_tag(pb, track);
1472 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1473 mov_write_audio_tag(pb, track);
1474 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1475 mov_write_subtitle_tag(pb, track);
1476 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1477 mov_write_rtp_tag(pb, track);
1478 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1479 mov_write_tmcd_tag(pb, track);
1480 return update_size(pb, pos);
1483 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1485 MOVStts *ctts_entries;
1486 uint32_t entries = 0;
1490 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1491 ctts_entries[0].count = 1;
1492 ctts_entries[0].duration = track->cluster[0].cts;
1493 for (i = 1; i < track->entry; i++) {
1494 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1495 ctts_entries[entries].count++; /* compress */
1498 ctts_entries[entries].duration = track->cluster[i].cts;
1499 ctts_entries[entries].count = 1;
1502 entries++; /* last one */
1503 atom_size = 16 + (entries * 8);
1504 avio_wb32(pb, atom_size); /* size */
1505 ffio_wfourcc(pb, "ctts");
1506 avio_wb32(pb, 0); /* version & flags */
1507 avio_wb32(pb, entries); /* entry count */
1508 for (i = 0; i < entries; i++) {
1509 avio_wb32(pb, ctts_entries[i].count);
1510 avio_wb32(pb, ctts_entries[i].duration);
1512 av_free(ctts_entries);
1516 /* Time to sample atom */
1517 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1519 MOVStts *stts_entries;
1520 uint32_t entries = -1;
1524 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1525 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1526 stts_entries[0].count = track->sample_count;
1527 stts_entries[0].duration = 1;
1530 stts_entries = track->entry ?
1531 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1533 for (i = 0; i < track->entry; i++) {
1534 int duration = get_cluster_duration(track, i);
1535 if (i && duration == stts_entries[entries].duration) {
1536 stts_entries[entries].count++; /* compress */
1539 stts_entries[entries].duration = duration;
1540 stts_entries[entries].count = 1;
1543 entries++; /* last one */
1545 atom_size = 16 + (entries * 8);
1546 avio_wb32(pb, atom_size); /* size */
1547 ffio_wfourcc(pb, "stts");
1548 avio_wb32(pb, 0); /* version & flags */
1549 avio_wb32(pb, entries); /* entry count */
1550 for (i = 0; i < entries; i++) {
1551 avio_wb32(pb, stts_entries[i].count);
1552 avio_wb32(pb, stts_entries[i].duration);
1554 av_free(stts_entries);
1558 static int mov_write_dref_tag(AVIOContext *pb)
1560 avio_wb32(pb, 28); /* size */
1561 ffio_wfourcc(pb, "dref");
1562 avio_wb32(pb, 0); /* version & flags */
1563 avio_wb32(pb, 1); /* entry count */
1565 avio_wb32(pb, 0xc); /* size */
1566 //FIXME add the alis and rsrc atom
1567 ffio_wfourcc(pb, "url ");
1568 avio_wb32(pb, 1); /* version & flags */
1573 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1575 int64_t pos = avio_tell(pb);
1576 avio_wb32(pb, 0); /* size */
1577 ffio_wfourcc(pb, "stbl");
1578 mov_write_stsd_tag(pb, track);
1579 mov_write_stts_tag(pb, track);
1580 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1581 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1582 track->has_keyframes && track->has_keyframes < track->entry)
1583 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1584 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1585 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1586 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1587 track->flags & MOV_TRACK_CTTS)
1588 mov_write_ctts_tag(pb, track);
1589 mov_write_stsc_tag(pb, track);
1590 mov_write_stsz_tag(pb, track);
1591 mov_write_stco_tag(pb, track);
1592 return update_size(pb, pos);
1595 static int mov_write_dinf_tag(AVIOContext *pb)
1597 int64_t pos = avio_tell(pb);
1598 avio_wb32(pb, 0); /* size */
1599 ffio_wfourcc(pb, "dinf");
1600 mov_write_dref_tag(pb);
1601 return update_size(pb, pos);
1604 static int mov_write_nmhd_tag(AVIOContext *pb)
1607 ffio_wfourcc(pb, "nmhd");
1612 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1614 int64_t pos = avio_tell(pb);
1615 const char *font = "Lucida Grande";
1616 avio_wb32(pb, 0); /* size */
1617 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1618 avio_wb32(pb, 0); /* version & flags */
1619 avio_wb16(pb, 0); /* text font */
1620 avio_wb16(pb, 0); /* text face */
1621 avio_wb16(pb, 12); /* text size */
1622 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1623 avio_wb16(pb, 0x0000); /* text color (red) */
1624 avio_wb16(pb, 0x0000); /* text color (green) */
1625 avio_wb16(pb, 0x0000); /* text color (blue) */
1626 avio_wb16(pb, 0xffff); /* background color (red) */
1627 avio_wb16(pb, 0xffff); /* background color (green) */
1628 avio_wb16(pb, 0xffff); /* background color (blue) */
1629 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1630 avio_write(pb, font, strlen(font)); /* font name */
1631 return update_size(pb, pos);
1634 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1636 int64_t pos = avio_tell(pb);
1637 avio_wb32(pb, 0); /* size */
1638 ffio_wfourcc(pb, "gmhd");
1639 avio_wb32(pb, 0x18); /* gmin size */
1640 ffio_wfourcc(pb, "gmin");/* generic media info */
1641 avio_wb32(pb, 0); /* version & flags */
1642 avio_wb16(pb, 0x40); /* graphics mode = */
1643 avio_wb16(pb, 0x8000); /* opColor (r?) */
1644 avio_wb16(pb, 0x8000); /* opColor (g?) */
1645 avio_wb16(pb, 0x8000); /* opColor (b?) */
1646 avio_wb16(pb, 0); /* balance */
1647 avio_wb16(pb, 0); /* reserved */
1650 * This special text atom is required for
1651 * Apple Quicktime chapters. The contents
1652 * don't appear to be documented, so the
1653 * bytes are copied verbatim.
1655 if (track->tag != MKTAG('c','6','0','8')) {
1656 avio_wb32(pb, 0x2C); /* size */
1657 ffio_wfourcc(pb, "text");
1658 avio_wb16(pb, 0x01);
1659 avio_wb32(pb, 0x00);
1660 avio_wb32(pb, 0x00);
1661 avio_wb32(pb, 0x00);
1662 avio_wb32(pb, 0x01);
1663 avio_wb32(pb, 0x00);
1664 avio_wb32(pb, 0x00);
1665 avio_wb32(pb, 0x00);
1666 avio_wb32(pb, 0x00004000);
1667 avio_wb16(pb, 0x0000);
1670 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1671 int64_t tmcd_pos = avio_tell(pb);
1672 avio_wb32(pb, 0); /* size */
1673 ffio_wfourcc(pb, "tmcd");
1674 mov_write_tcmi_tag(pb, track);
1675 update_size(pb, tmcd_pos);
1677 return update_size(pb, pos);
1680 static int mov_write_smhd_tag(AVIOContext *pb)
1682 avio_wb32(pb, 16); /* size */
1683 ffio_wfourcc(pb, "smhd");
1684 avio_wb32(pb, 0); /* version & flags */
1685 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1686 avio_wb16(pb, 0); /* reserved */
1690 static int mov_write_vmhd_tag(AVIOContext *pb)
1692 avio_wb32(pb, 0x14); /* size (always 0x14) */
1693 ffio_wfourcc(pb, "vmhd");
1694 avio_wb32(pb, 0x01); /* version & flags */
1695 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1699 static int is_clcp_track(MOVTrack *track)
1701 return track->tag == MKTAG('c','7','0','8') ||
1702 track->tag == MKTAG('c','6','0','8');
1705 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1707 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1708 int64_t pos = avio_tell(pb);
1712 descr = "DataHandler";
1715 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1716 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1718 descr = "VideoHandler";
1719 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1721 descr = "SoundHandler";
1722 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1723 if (is_clcp_track(track)) {
1725 descr = "ClosedCaptionHandler";
1727 if (track->tag == MKTAG('t','x','3','g')) {
1729 } else if (track->tag == MKTAG('m','p','4','s')) {
1734 descr = "SubtitleHandler";
1736 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1738 descr = "HintHandler";
1739 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1741 descr = "TimeCodeHandler";
1744 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1745 track->enc->codec_tag);
1747 av_log(track->enc, AV_LOG_WARNING,
1748 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1749 tag_buf, track->enc->codec_tag);
1752 // hdlr.name is used by some players to identify the content title
1753 // of the track. So if an alternate handler description is
1754 // specified, use it.
1755 AVDictionaryEntry *t;
1756 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1757 if (t && utf8len(t->value))
1762 avio_wb32(pb, 0); /* size */
1763 ffio_wfourcc(pb, "hdlr");
1764 avio_wb32(pb, 0); /* Version & flags */
1765 avio_write(pb, hdlr, 4); /* handler */
1766 ffio_wfourcc(pb, hdlr_type); /* handler type */
1767 avio_wb32(pb, 0); /* reserved */
1768 avio_wb32(pb, 0); /* reserved */
1769 avio_wb32(pb, 0); /* reserved */
1770 if (!track || track->mode == MODE_MOV)
1771 avio_w8(pb, strlen(descr)); /* pascal string */
1772 avio_write(pb, descr, strlen(descr)); /* handler description */
1773 if (track && track->mode != MODE_MOV)
1774 avio_w8(pb, 0); /* c string */
1775 return update_size(pb, pos);
1778 static int mov_write_hmhd_tag(AVIOContext *pb)
1780 /* This atom must be present, but leaving the values at zero
1781 * seems harmless. */
1782 avio_wb32(pb, 28); /* size */
1783 ffio_wfourcc(pb, "hmhd");
1784 avio_wb32(pb, 0); /* version, flags */
1785 avio_wb16(pb, 0); /* maxPDUsize */
1786 avio_wb16(pb, 0); /* avgPDUsize */
1787 avio_wb32(pb, 0); /* maxbitrate */
1788 avio_wb32(pb, 0); /* avgbitrate */
1789 avio_wb32(pb, 0); /* reserved */
1793 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1795 int64_t pos = avio_tell(pb);
1796 avio_wb32(pb, 0); /* size */
1797 ffio_wfourcc(pb, "minf");
1798 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1799 mov_write_vmhd_tag(pb);
1800 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1801 mov_write_smhd_tag(pb);
1802 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1803 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1804 mov_write_gmhd_tag(pb, track);
1806 mov_write_nmhd_tag(pb);
1808 } else if (track->tag == MKTAG('r','t','p',' ')) {
1809 mov_write_hmhd_tag(pb);
1810 } else if (track->tag == MKTAG('t','m','c','d')) {
1811 mov_write_gmhd_tag(pb, track);
1813 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1814 mov_write_hdlr_tag(pb, NULL);
1815 mov_write_dinf_tag(pb);
1816 mov_write_stbl_tag(pb, track);
1817 return update_size(pb, pos);
1820 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1822 int version = track->track_duration < INT32_MAX ? 0 : 1;
1824 if (track->mode == MODE_ISM)
1827 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1828 ffio_wfourcc(pb, "mdhd");
1829 avio_w8(pb, version);
1830 avio_wb24(pb, 0); /* flags */
1832 avio_wb64(pb, track->time);
1833 avio_wb64(pb, track->time);
1835 avio_wb32(pb, track->time); /* creation time */
1836 avio_wb32(pb, track->time); /* modification time */
1838 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1840 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1842 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1843 avio_wb16(pb, track->language); /* language */
1844 avio_wb16(pb, 0); /* reserved (quality) */
1846 if (version != 0 && track->mode == MODE_MOV) {
1847 av_log(NULL, AV_LOG_ERROR,
1848 "FATAL error, file duration too long for timebase, this file will not be\n"
1849 "playable with quicktime. Choose a different timebase or a different\n"
1850 "container format\n");
1856 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1858 int64_t pos = avio_tell(pb);
1859 avio_wb32(pb, 0); /* size */
1860 ffio_wfourcc(pb, "mdia");
1861 mov_write_mdhd_tag(pb, track);
1862 mov_write_hdlr_tag(pb, track);
1863 mov_write_minf_tag(pb, track);
1864 return update_size(pb, pos);
1867 /* transformation matrix
1871 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1872 int16_t d, int16_t tx, int16_t ty)
1874 avio_wb32(pb, a << 16); /* 16.16 format */
1875 avio_wb32(pb, b << 16); /* 16.16 format */
1876 avio_wb32(pb, 0); /* u in 2.30 format */
1877 avio_wb32(pb, c << 16); /* 16.16 format */
1878 avio_wb32(pb, d << 16); /* 16.16 format */
1879 avio_wb32(pb, 0); /* v in 2.30 format */
1880 avio_wb32(pb, tx << 16); /* 16.16 format */
1881 avio_wb32(pb, ty << 16); /* 16.16 format */
1882 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1885 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1886 MOVTrack *track, AVStream *st)
1888 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1889 track->timescale, AV_ROUND_UP);
1890 int version = duration < INT32_MAX ? 0 : 1;
1891 int flags = MOV_TKHD_FLAG_IN_MOVIE;
1897 if (mov->per_stream_grouping)
1900 group = st->codec->codec_type;
1903 if (track->flags & MOV_TRACK_ENABLED)
1904 flags |= MOV_TKHD_FLAG_ENABLED;
1906 if (track->mode == MODE_ISM)
1909 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1910 ffio_wfourcc(pb, "tkhd");
1911 avio_w8(pb, version);
1912 avio_wb24(pb, flags);
1914 avio_wb64(pb, track->time);
1915 avio_wb64(pb, track->time);
1917 avio_wb32(pb, track->time); /* creation time */
1918 avio_wb32(pb, track->time); /* modification time */
1920 avio_wb32(pb, track->track_id); /* track-id */
1921 avio_wb32(pb, 0); /* reserved */
1923 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1925 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1927 avio_wb32(pb, 0); /* reserved */
1928 avio_wb32(pb, 0); /* reserved */
1929 avio_wb16(pb, 0); /* layer */
1930 avio_wb16(pb, group); /* alternate group) */
1931 /* Volume, only for audio */
1932 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1933 avio_wb16(pb, 0x0100);
1936 avio_wb16(pb, 0); /* reserved */
1938 /* Matrix structure */
1939 if (st && st->metadata) {
1940 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1941 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1943 if (rotation == 90) {
1944 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1945 } else if (rotation == 180) {
1946 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1947 } else if (rotation == 270) {
1948 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1950 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1952 /* Track width and height, for visual only */
1953 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1954 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1955 if (track->mode == MODE_MOV) {
1956 avio_wb32(pb, track->enc->width << 16);
1957 avio_wb32(pb, track->height << 16);
1959 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1960 if (!sample_aspect_ratio || track->height != track->enc->height)
1961 sample_aspect_ratio = 1;
1962 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1963 avio_wb32(pb, track->height * 0x10000);
1972 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1974 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1975 track->enc->sample_aspect_ratio.den);
1977 int64_t pos = avio_tell(pb);
1979 avio_wb32(pb, 0); /* size */
1980 ffio_wfourcc(pb, "tapt");
1983 ffio_wfourcc(pb, "clef");
1985 avio_wb32(pb, width << 16);
1986 avio_wb32(pb, track->enc->height << 16);
1989 ffio_wfourcc(pb, "prof");
1991 avio_wb32(pb, width << 16);
1992 avio_wb32(pb, track->enc->height << 16);
1995 ffio_wfourcc(pb, "enof");
1997 avio_wb32(pb, track->enc->width << 16);
1998 avio_wb32(pb, track->enc->height << 16);
2000 return update_size(pb, pos);
2003 // This box seems important for the psp playback ... without it the movie seems to hang
2004 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
2006 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2007 track->timescale, AV_ROUND_UP);
2008 int version = duration < INT32_MAX ? 0 : 1;
2009 int entry_size, entry_count, size;
2010 int64_t delay, start_ct = track->cluster[0].cts;
2011 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
2012 track->timescale, AV_ROUND_DOWN);
2013 version |= delay < INT32_MAX ? 0 : 1;
2015 entry_size = (version == 1) ? 20 : 12;
2016 entry_count = 1 + (delay > 0);
2017 size = 24 + entry_count * entry_size;
2019 /* write the atom data */
2020 avio_wb32(pb, size);
2021 ffio_wfourcc(pb, "edts");
2022 avio_wb32(pb, size - 8);
2023 ffio_wfourcc(pb, "elst");
2024 avio_w8(pb, version);
2025 avio_wb24(pb, 0); /* flags */
2027 avio_wb32(pb, entry_count);
2028 if (delay > 0) { /* add an empty edit to delay presentation */
2030 avio_wb64(pb, delay);
2033 avio_wb32(pb, delay);
2036 avio_wb32(pb, 0x00010000);
2038 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2039 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
2045 avio_wb64(pb, duration);
2046 avio_wb64(pb, start_ct);
2048 avio_wb32(pb, duration);
2049 avio_wb32(pb, start_ct);
2051 avio_wb32(pb, 0x00010000);
2055 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2057 avio_wb32(pb, 20); // size
2058 ffio_wfourcc(pb, "tref");
2059 avio_wb32(pb, 12); // size (subatom)
2060 avio_wl32(pb, track->tref_tag);
2061 avio_wb32(pb, track->tref_id);
2065 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2066 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2068 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2069 ffio_wfourcc(pb, "uuid");
2070 ffio_wfourcc(pb, "USMT");
2071 avio_wb32(pb, 0x21d24fce);
2072 avio_wb32(pb, 0xbb88695c);
2073 avio_wb32(pb, 0xfac9c740);
2074 avio_wb32(pb, 0x1c); // another size here!
2075 ffio_wfourcc(pb, "MTDT");
2076 avio_wb32(pb, 0x00010012);
2077 avio_wb32(pb, 0x0a);
2078 avio_wb32(pb, 0x55c40000);
2084 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2086 AVFormatContext *ctx = track->rtp_ctx;
2087 char buf[1000] = "";
2090 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2091 NULL, NULL, 0, 0, ctx);
2092 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2095 avio_wb32(pb, len + 24);
2096 ffio_wfourcc(pb, "udta");
2097 avio_wb32(pb, len + 16);
2098 ffio_wfourcc(pb, "hnti");
2099 avio_wb32(pb, len + 8);
2100 ffio_wfourcc(pb, "sdp ");
2101 avio_write(pb, buf, len);
2105 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2106 const char *tag, const char *str)
2108 int64_t pos = avio_tell(pb);
2109 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2110 if (!t || !utf8len(t->value))
2113 avio_wb32(pb, 0); /* size */
2114 ffio_wfourcc(pb, tag); /* type */
2115 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2116 return update_size(pb, pos);
2119 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2122 AVIOContext *pb_buf;
2126 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2129 ret = avio_open_dyn_buf(&pb_buf);
2133 if (mov->mode & MODE_MP4)
2134 mov_write_track_metadata(pb_buf, st, "name", "title");
2136 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2137 avio_wb32(pb, size + 8);
2138 ffio_wfourcc(pb, "udta");
2139 avio_write(pb, buf, size);
2146 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2147 MOVTrack *track, AVStream *st)
2149 int64_t pos = avio_tell(pb);
2150 avio_wb32(pb, 0); /* size */
2151 ffio_wfourcc(pb, "trak");
2152 mov_write_tkhd_tag(pb, mov, track, st);
2153 if (supports_edts(mov))
2154 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
2155 if (track->tref_tag)
2156 mov_write_tref_tag(pb, track);
2157 mov_write_mdia_tag(pb, track);
2158 if (track->mode == MODE_PSP)
2159 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2160 if (track->tag == MKTAG('r','t','p',' '))
2161 mov_write_udta_sdp(pb, track);
2162 if (track->mode == MODE_MOV) {
2163 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2164 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2165 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2166 mov_write_tapt_tag(pb, track);
2169 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2170 mov_write_tapt_tag(pb, track);
2173 mov_write_track_udta_tag(pb, mov, st);
2174 return update_size(pb, pos);
2177 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2179 int i, has_audio = 0, has_video = 0;
2180 int64_t pos = avio_tell(pb);
2181 int audio_profile = mov->iods_audio_profile;
2182 int video_profile = mov->iods_video_profile;
2183 for (i = 0; i < mov->nb_streams; i++) {
2184 if (mov->tracks[i].entry > 0) {
2185 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2186 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2189 if (audio_profile < 0)
2190 audio_profile = 0xFF - has_audio;
2191 if (video_profile < 0)
2192 video_profile = 0xFF - has_video;
2193 avio_wb32(pb, 0x0); /* size */
2194 ffio_wfourcc(pb, "iods");
2195 avio_wb32(pb, 0); /* version & flags */
2196 put_descr(pb, 0x10, 7);
2197 avio_wb16(pb, 0x004f);
2200 avio_w8(pb, audio_profile);
2201 avio_w8(pb, video_profile);
2203 return update_size(pb, pos);
2206 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2208 avio_wb32(pb, 0x20); /* size */
2209 ffio_wfourcc(pb, "trex");
2210 avio_wb32(pb, 0); /* version & flags */
2211 avio_wb32(pb, track->track_id); /* track ID */
2212 avio_wb32(pb, 1); /* default sample description index */
2213 avio_wb32(pb, 0); /* default sample duration */
2214 avio_wb32(pb, 0); /* default sample size */
2215 avio_wb32(pb, 0); /* default sample flags */
2219 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2221 int64_t pos = avio_tell(pb);
2223 avio_wb32(pb, 0x0); /* size */
2224 ffio_wfourcc(pb, "mvex");
2225 for (i = 0; i < mov->nb_streams; i++)
2226 mov_write_trex_tag(pb, &mov->tracks[i]);
2227 return update_size(pb, pos);
2230 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2232 int max_track_id = 1, i;
2233 int64_t max_track_len_temp, max_track_len = 0;
2236 for (i = 0; i < mov->nb_streams; i++) {
2237 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2238 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2240 mov->tracks[i].timescale,
2242 if (max_track_len < max_track_len_temp)
2243 max_track_len = max_track_len_temp;
2244 if (max_track_id < mov->tracks[i].track_id)
2245 max_track_id = mov->tracks[i].track_id;
2249 version = max_track_len < UINT32_MAX ? 0 : 1;
2250 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2251 ffio_wfourcc(pb, "mvhd");
2252 avio_w8(pb, version);
2253 avio_wb24(pb, 0); /* flags */
2255 avio_wb64(pb, mov->time);
2256 avio_wb64(pb, mov->time);
2258 avio_wb32(pb, mov->time); /* creation time */
2259 avio_wb32(pb, mov->time); /* modification time */
2261 avio_wb32(pb, MOV_TIMESCALE);
2262 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2264 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2265 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2266 avio_wb16(pb, 0); /* reserved */
2267 avio_wb32(pb, 0); /* reserved */
2268 avio_wb32(pb, 0); /* reserved */
2270 /* Matrix structure */
2271 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2273 avio_wb32(pb, 0); /* reserved (preview time) */
2274 avio_wb32(pb, 0); /* reserved (preview duration) */
2275 avio_wb32(pb, 0); /* reserved (poster time) */
2276 avio_wb32(pb, 0); /* reserved (selection time) */
2277 avio_wb32(pb, 0); /* reserved (selection duration) */
2278 avio_wb32(pb, 0); /* reserved (current time) */
2279 avio_wb32(pb, max_track_id + 1); /* Next track id */
2283 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2286 avio_wb32(pb, 33); /* size */
2287 ffio_wfourcc(pb, "hdlr");
2290 ffio_wfourcc(pb, "mdir");
2291 ffio_wfourcc(pb, "appl");
2298 /* helper function to write a data tag with the specified string as data */
2299 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2302 int size = 16 + strlen(data);
2303 avio_wb32(pb, size); /* size */
2304 ffio_wfourcc(pb, "data");
2307 avio_write(pb, data, strlen(data));
2311 lang = ff_mov_iso639_to_lang("und", 1);
2312 avio_wb16(pb, strlen(data)); /* string length */
2313 avio_wb16(pb, lang);
2314 avio_write(pb, data, strlen(data));
2315 return strlen(data) + 4;
2319 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2320 const char *value, int lang, int long_style)
2323 if (value && value[0]) {
2324 int64_t pos = avio_tell(pb);
2325 avio_wb32(pb, 0); /* size */
2326 ffio_wfourcc(pb, name);
2327 mov_write_string_data_tag(pb, value, lang, long_style);
2328 size = update_size(pb, pos);
2333 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2334 const char *name, const char *tag,
2337 int l, lang = 0, len, len2;
2338 AVDictionaryEntry *t, *t2 = NULL;
2341 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2344 len = strlen(t->key);
2345 snprintf(tag2, sizeof(tag2), "%s-", tag);
2346 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2347 len2 = strlen(t2->key);
2348 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2349 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2354 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2357 /* iTunes bpm number */
2358 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2360 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2361 int size = 0, tmpo = t ? atoi(t->value) : 0;
2364 avio_wb32(pb, size);
2365 ffio_wfourcc(pb, "tmpo");
2366 avio_wb32(pb, size-8); /* size */
2367 ffio_wfourcc(pb, "data");
2368 avio_wb32(pb, 0x15); //type specifier
2370 avio_wb16(pb, tmpo); // data
2375 /* iTunes track or disc number */
2376 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2377 AVFormatContext *s, int disc)
2379 AVDictionaryEntry *t = av_dict_get(s->metadata,
2380 disc ? "disc" : "track",
2382 int size = 0, track = t ? atoi(t->value) : 0;
2385 char *slash = strchr(t->value, '/');
2387 tracks = atoi(slash + 1);
2388 avio_wb32(pb, 32); /* size */
2389 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2390 avio_wb32(pb, 24); /* size */
2391 ffio_wfourcc(pb, "data");
2392 avio_wb32(pb, 0); // 8 bytes empty
2394 avio_wb16(pb, 0); // empty
2395 avio_wb16(pb, track); // track / disc number
2396 avio_wb16(pb, tracks); // total track / disc number
2397 avio_wb16(pb, 0); // empty
2403 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2404 const char *name, const char *tag,
2407 AVDictionaryEntry *t = NULL;
2409 int size = 24 + len;
2411 if (len != 1 && len != 4)
2414 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2416 num = atoi(t->value);
2418 avio_wb32(pb, size);
2419 ffio_wfourcc(pb, name);
2420 avio_wb32(pb, size - 8);
2421 ffio_wfourcc(pb, "data");
2422 avio_wb32(pb, 0x15);
2424 if (len==4) avio_wb32(pb, num);
2425 else avio_w8 (pb, num);
2430 /* iTunes meta data list */
2431 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2434 int64_t pos = avio_tell(pb);
2435 avio_wb32(pb, 0); /* size */
2436 ffio_wfourcc(pb, "ilst");
2437 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2438 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2439 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2440 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2441 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2442 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2444 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2445 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2446 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2447 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2448 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2449 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2450 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2451 mov_write_string_metadata(s, pb, "desc", "description",1);
2452 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2453 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2454 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2455 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2456 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2457 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2458 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2459 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2460 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2461 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2462 mov_write_trkn_tag(pb, mov, s, 0); // track number
2463 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2464 mov_write_tmpo_tag(pb, s);
2465 return update_size(pb, pos);
2468 /* iTunes meta data tag */
2469 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2473 int64_t pos = avio_tell(pb);
2474 avio_wb32(pb, 0); /* size */
2475 ffio_wfourcc(pb, "meta");
2477 mov_write_itunes_hdlr_tag(pb, mov, s);
2478 mov_write_ilst_tag(pb, mov, s);
2479 size = update_size(pb, pos);
2483 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2484 const char *name, const char *key)
2487 AVDictionaryEntry *t;
2489 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2492 len = strlen(t->value);
2495 avio_wb32(pb, size);
2496 ffio_wfourcc(pb, name);
2497 avio_write(pb, t->value, len);
2503 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2507 GET_UTF8(val, *b++, return -1;)
2510 avio_wb16(pb, 0x00);
2514 static uint16_t language_code(const char *str)
2516 return (((str[0] - 0x60) & 0x1F) << 10) +
2517 (((str[1] - 0x60) & 0x1F) << 5) +
2518 (( str[2] - 0x60) & 0x1F);
2521 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2522 const char *tag, const char *str)
2524 int64_t pos = avio_tell(pb);
2525 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2526 if (!t || !utf8len(t->value))
2528 avio_wb32(pb, 0); /* size */
2529 ffio_wfourcc(pb, tag); /* type */
2530 avio_wb32(pb, 0); /* version + flags */
2531 if (!strcmp(tag, "yrrc"))
2532 avio_wb16(pb, atoi(t->value));
2534 avio_wb16(pb, language_code("eng")); /* language */
2535 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2536 if (!strcmp(tag, "albm") &&
2537 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2538 avio_w8(pb, atoi(t->value));
2540 return update_size(pb, pos);
2543 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2545 int64_t pos = avio_tell(pb);
2546 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2548 avio_wb32(pb, 0); // size
2549 ffio_wfourcc(pb, "chpl");
2550 avio_wb32(pb, 0x01000000); // version + flags
2551 avio_wb32(pb, 0); // unknown
2552 avio_w8(pb, nb_chapters);
2554 for (i = 0; i < nb_chapters; i++) {
2555 AVChapter *c = s->chapters[i];
2556 AVDictionaryEntry *t;
2557 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2559 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2560 int len = FFMIN(strlen(t->value), 255);
2562 avio_write(pb, t->value, len);
2566 return update_size(pb, pos);
2569 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2572 AVIOContext *pb_buf;
2576 ret = avio_open_dyn_buf(&pb_buf);
2580 if (mov->mode & MODE_3GP) {
2581 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2582 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2583 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2584 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2585 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2586 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2587 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2588 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2589 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2590 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2591 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2592 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2593 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2594 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2595 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2596 // currently ignored by mov.c
2597 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2598 // add support for libquicktime, this atom is also actually read by mov.c
2599 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2600 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2601 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2602 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
2604 /* iTunes meta data */
2605 mov_write_meta_tag(pb_buf, mov, s);
2608 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2609 mov_write_chpl_tag(pb_buf, s);
2611 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2612 avio_wb32(pb, size + 8);
2613 ffio_wfourcc(pb, "udta");
2614 avio_write(pb, buf, size);
2621 static void mov_write_psp_udta_tag(AVIOContext *pb,
2622 const char *str, const char *lang, int type)
2624 int len = utf8len(str) + 1;
2627 avio_wb16(pb, len * 2 + 10); /* size */
2628 avio_wb32(pb, type); /* type */
2629 avio_wb16(pb, language_code(lang)); /* language */
2630 avio_wb16(pb, 0x01); /* ? */
2631 ascii_to_wc(pb, str);
2634 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2636 MOVMuxContext *mov = s->priv_data;
2637 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2641 pos = avio_tell(pb);
2642 avio_wb32(pb, 0); /* size placeholder*/
2643 ffio_wfourcc(pb, "uuid");
2644 ffio_wfourcc(pb, "USMT");
2645 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2646 avio_wb32(pb, 0xbb88695c);
2647 avio_wb32(pb, 0xfac9c740);
2649 pos2 = avio_tell(pb);
2650 avio_wb32(pb, 0); /* size placeholder*/
2651 ffio_wfourcc(pb, "MTDT");
2655 avio_wb16(pb, 0x0C); /* size */
2656 avio_wb32(pb, 0x0B); /* type */
2657 avio_wb16(pb, language_code("und")); /* language */
2658 avio_wb16(pb, 0x0); /* ? */
2659 avio_wb16(pb, 0x021C); /* data */
2662 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2663 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2664 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2666 update_size(pb, pos2);
2667 return update_size(pb, pos);
2673 static void build_chunks(MOVTrack *trk)
2676 MOVIentry *chunk = &trk->cluster[0];
2677 uint64_t chunkSize = chunk->size;
2678 chunk->chunkNum = 1;
2679 if (trk->chunkCount)
2681 trk->chunkCount = 1;
2682 for (i = 1; i<trk->entry; i++){
2683 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2684 chunkSize + trk->cluster[i].size < (1<<20)){
2685 chunkSize += trk->cluster[i].size;
2686 chunk->samples_in_chunk += trk->cluster[i].entries;
2688 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2689 chunk=&trk->cluster[i];
2690 chunkSize = chunk->size;
2696 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2700 int64_t pos = avio_tell(pb);
2701 avio_wb32(pb, 0); /* size placeholder*/
2702 ffio_wfourcc(pb, "moov");
2704 for (i = 0; i < mov->nb_streams; i++) {
2705 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2708 mov->tracks[i].time = mov->time;
2709 mov->tracks[i].track_id = i + 1;
2711 if (mov->tracks[i].entry)
2712 build_chunks(&mov->tracks[i]);
2715 if (mov->chapter_track)
2716 for (i = 0; i < s->nb_streams; i++) {
2717 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2718 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2720 for (i = 0; i < mov->nb_streams; i++) {
2721 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2722 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2723 mov->tracks[i].tref_id =
2724 mov->tracks[mov->tracks[i].src_track].track_id;
2727 for (i = 0; i < mov->nb_streams; i++) {
2728 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2729 int src_trk = mov->tracks[i].src_track;
2730 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2731 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2732 //src_trk may have a different timescale than the tmcd track
2733 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
2734 mov->tracks[i].timescale,
2735 mov->tracks[src_trk].timescale);
2739 mov_write_mvhd_tag(pb, mov);
2740 if (mov->mode != MODE_MOV && !mov->iods_skip)
2741 mov_write_iods_tag(pb, mov);
2742 for (i = 0; i < mov->nb_streams; i++) {
2743 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2744 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2747 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2748 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2750 if (mov->mode == MODE_PSP)
2751 mov_write_uuidusmt_tag(pb, s);
2753 mov_write_udta_tag(pb, mov, s);
2755 return update_size(pb, pos);
2758 static void param_write_int(AVIOContext *pb, const char *name, int value)
2760 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2763 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2765 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2768 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2771 len = FFMIN(sizeof(buf) / 2 - 1, len);
2772 ff_data_to_hex(buf, value, len, 0);
2773 buf[2 * len] = '\0';
2774 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2777 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2779 int64_t pos = avio_tell(pb);
2781 static const uint8_t uuid[] = {
2782 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2783 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2787 ffio_wfourcc(pb, "uuid");
2788 avio_write(pb, uuid, sizeof(uuid));
2791 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2792 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2793 avio_printf(pb, "<head>\n");
2795 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2797 avio_printf(pb, "</head>\n");
2798 avio_printf(pb, "<body>\n");
2799 avio_printf(pb, "<switch>\n");
2800 for (i = 0; i < mov->nb_streams; i++) {
2801 MOVTrack *track = &mov->tracks[i];
2803 /* track->track_id is initialized in write_moov, and thus isn't known
2805 int track_id = i + 1;
2807 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2809 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2814 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2815 track->enc->bit_rate);
2816 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2817 param_write_int(pb, "trackID", track_id);
2818 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2819 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2821 int size = track->enc->extradata_size;
2822 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2824 param_write_hex(pb, "CodecPrivateData",
2825 ptr ? ptr : track->enc->extradata,
2829 param_write_string(pb, "FourCC", "H264");
2830 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2831 param_write_string(pb, "FourCC", "WVC1");
2832 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2833 track->enc->extradata_size);
2835 param_write_int(pb, "MaxWidth", track->enc->width);
2836 param_write_int(pb, "MaxHeight", track->enc->height);
2837 param_write_int(pb, "DisplayWidth", track->enc->width);
2838 param_write_int(pb, "DisplayHeight", track->enc->height);
2840 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2841 param_write_string(pb, "FourCC", "AACL");
2842 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2843 param_write_string(pb, "FourCC", "WMAP");
2845 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2846 track->enc->extradata_size);
2847 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2848 track->enc->codec_id));
2849 param_write_int(pb, "Channels", track->enc->channels);
2850 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2851 param_write_int(pb, "BitsPerSample", 16);
2852 param_write_int(pb, "PacketSize", track->enc->block_align ?
2853 track->enc->block_align : 4);
2855 avio_printf(pb, "</%s>\n", type);
2857 avio_printf(pb, "</switch>\n");
2858 avio_printf(pb, "</body>\n");
2859 avio_printf(pb, "</smil>\n");
2861 return update_size(pb, pos);
2864 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2867 ffio_wfourcc(pb, "mfhd");
2869 avio_wb32(pb, mov->fragments);
2873 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2874 MOVTrack *track, int64_t moof_offset)
2876 int64_t pos = avio_tell(pb);
2877 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2878 MOV_TFHD_BASE_DATA_OFFSET;
2879 if (!track->entry) {
2880 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2882 flags |= MOV_TFHD_DEFAULT_FLAGS;
2884 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2885 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2887 /* Don't set a default sample size, the silverlight player refuses
2888 * to play files with that set. Don't set a default sample duration,
2889 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2890 * file format says it MUST NOT be set. */
2891 if (track->mode == MODE_ISM)
2892 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2893 MOV_TFHD_BASE_DATA_OFFSET);
2895 avio_wb32(pb, 0); /* size placeholder */
2896 ffio_wfourcc(pb, "tfhd");
2897 avio_w8(pb, 0); /* version */
2898 avio_wb24(pb, flags);
2900 avio_wb32(pb, track->track_id); /* track-id */
2901 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2902 avio_wb64(pb, moof_offset);
2903 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2904 track->default_duration = get_cluster_duration(track, 0);
2905 avio_wb32(pb, track->default_duration);
2907 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2908 track->default_size = track->entry ? track->cluster[0].size : 1;
2909 avio_wb32(pb, track->default_size);
2911 track->default_size = -1;
2913 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2914 track->default_sample_flags =
2915 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2916 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2917 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2918 avio_wb32(pb, track->default_sample_flags);
2921 return update_size(pb, pos);
2924 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2926 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2927 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2930 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2931 MOVTrack *track, int moof_size)
2933 int64_t pos = avio_tell(pb);
2934 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2937 for (i = 0; i < track->entry; i++) {
2938 if (get_cluster_duration(track, i) != track->default_duration)
2939 flags |= MOV_TRUN_SAMPLE_DURATION;
2940 if (track->cluster[i].size != track->default_size)
2941 flags |= MOV_TRUN_SAMPLE_SIZE;
2942 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2943 flags |= MOV_TRUN_SAMPLE_FLAGS;
2945 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2946 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2947 if (track->flags & MOV_TRACK_CTTS)
2948 flags |= MOV_TRUN_SAMPLE_CTS;
2950 avio_wb32(pb, 0); /* size placeholder */
2951 ffio_wfourcc(pb, "trun");
2952 avio_w8(pb, 0); /* version */
2953 avio_wb24(pb, flags);
2955 avio_wb32(pb, track->entry); /* sample count */
2956 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2957 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2958 track->track_id != 1)
2959 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2961 avio_wb32(pb, moof_size + 8 + track->data_offset +
2962 track->cluster[0].pos); /* data offset */
2963 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2964 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2966 for (i = 0; i < track->entry; i++) {
2967 if (flags & MOV_TRUN_SAMPLE_DURATION)
2968 avio_wb32(pb, get_cluster_duration(track, i));
2969 if (flags & MOV_TRUN_SAMPLE_SIZE)
2970 avio_wb32(pb, track->cluster[i].size);
2971 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2972 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2973 if (flags & MOV_TRUN_SAMPLE_CTS)
2974 avio_wb32(pb, track->cluster[i].cts);
2977 return update_size(pb, pos);
2980 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2982 int64_t pos = avio_tell(pb);
2983 static const uint8_t uuid[] = {
2984 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2985 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2988 avio_wb32(pb, 0); /* size placeholder */
2989 ffio_wfourcc(pb, "uuid");
2990 avio_write(pb, uuid, sizeof(uuid));
2993 avio_wb64(pb, track->frag_start);
2994 avio_wb64(pb, track->start_dts + track->track_duration -
2995 track->cluster[0].dts);
2997 return update_size(pb, pos);
3000 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3001 MOVTrack *track, int entry)
3003 int n = track->nb_frag_info - 1 - entry, i;
3004 int size = 8 + 16 + 4 + 1 + 16*n;
3005 static const uint8_t uuid[] = {
3006 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3007 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3013 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3014 avio_wb32(pb, size);
3015 ffio_wfourcc(pb, "uuid");
3016 avio_write(pb, uuid, sizeof(uuid));
3020 for (i = 0; i < n; i++) {
3021 int index = entry + 1 + i;
3022 avio_wb64(pb, track->frag_info[index].time);
3023 avio_wb64(pb, track->frag_info[index].duration);
3025 if (n < mov->ism_lookahead) {
3026 int free_size = 16 * (mov->ism_lookahead - n);
3027 avio_wb32(pb, free_size);
3028 ffio_wfourcc(pb, "free");
3029 ffio_fill(pb, 0, free_size - 8);
3035 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3038 int64_t pos = avio_tell(pb);
3040 for (i = 0; i < mov->ism_lookahead; i++) {
3041 /* Update the tfrf tag for the last ism_lookahead fragments,
3042 * nb_frag_info - 1 is the next fragment to be written. */
3043 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3045 avio_seek(pb, pos, SEEK_SET);
3049 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3050 MOVTrack *track, int64_t moof_offset,
3053 int64_t pos = avio_tell(pb);
3054 avio_wb32(pb, 0); /* size placeholder */
3055 ffio_wfourcc(pb, "traf");
3057 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3058 mov_write_trun_tag(pb, mov, track, moof_size);
3059 if (mov->mode == MODE_ISM) {
3060 mov_write_tfxd_tag(pb, track);
3062 if (mov->ism_lookahead) {
3063 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3065 track->tfrf_offset = avio_tell(pb);
3066 avio_wb32(pb, 8 + size);
3067 ffio_wfourcc(pb, "free");
3068 for (i = 0; i < size; i++)
3073 return update_size(pb, pos);
3076 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3077 int tracks, int moof_size)
3079 int64_t pos = avio_tell(pb);
3082 avio_wb32(pb, 0); /* size placeholder */
3083 ffio_wfourcc(pb, "moof");
3085 mov_write_mfhd_tag(pb, mov);
3086 for (i = 0; i < mov->nb_streams; i++) {
3087 MOVTrack *track = &mov->tracks[i];
3088 if (tracks >= 0 && i != tracks)
3092 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3095 return update_size(pb, pos);
3098 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
3100 AVIOContext *avio_buf;
3103 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3105 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3106 moof_size = ffio_close_null_buf(avio_buf);
3107 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3110 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3112 int64_t pos = avio_tell(pb);
3115 avio_wb32(pb, 0); /* size placeholder */
3116 ffio_wfourcc(pb, "tfra");
3117 avio_w8(pb, 1); /* version */
3120 avio_wb32(pb, track->track_id);
3121 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3122 avio_wb32(pb, track->nb_frag_info);
3123 for (i = 0; i < track->nb_frag_info; i++) {
3124 avio_wb64(pb, track->frag_info[i].time);
3125 avio_wb64(pb, track->frag_info[i].offset);
3126 avio_w8(pb, 1); /* traf number */
3127 avio_w8(pb, 1); /* trun number */
3128 avio_w8(pb, 1); /* sample number */
3131 return update_size(pb, pos);
3134 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3136 int64_t pos = avio_tell(pb);
3139 avio_wb32(pb, 0); /* size placeholder */
3140 ffio_wfourcc(pb, "mfra");
3141 /* An empty mfra atom is enough to indicate to the publishing point that
3142 * the stream has ended. */
3143 if (mov->flags & FF_MOV_FLAG_ISML)
3144 return update_size(pb, pos);
3146 for (i = 0; i < mov->nb_streams; i++) {
3147 MOVTrack *track = &mov->tracks[i];
3148 if (track->nb_frag_info)
3149 mov_write_tfra_tag(pb, track);
3153 ffio_wfourcc(pb, "mfro");
3154 avio_wb32(pb, 0); /* version + flags */
3155 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3157 return update_size(pb, pos);
3160 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3162 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3163 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3165 mov->mdat_pos = avio_tell(pb);
3166 avio_wb32(pb, 0); /* size placeholder*/
3167 ffio_wfourcc(pb, "mdat");
3171 /* TODO: This needs to be more general */
3172 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3174 MOVMuxContext *mov = s->priv_data;
3175 int64_t pos = avio_tell(pb);
3176 int has_h264 = 0, has_video = 0;
3180 for (i = 0; i < s->nb_streams; i++) {
3181 AVStream *st = s->streams[i];
3182 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3184 if (st->codec->codec_id == AV_CODEC_ID_H264)
3188 avio_wb32(pb, 0); /* size */
3189 ffio_wfourcc(pb, "ftyp");
3191 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3192 ffio_wfourcc(pb, mov->major_brand);
3193 else if (mov->mode == MODE_3GP) {
3194 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3195 minor = has_h264 ? 0x100 : 0x200;
3196 } else if (mov->mode & MODE_3G2) {
3197 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3198 minor = has_h264 ? 0x20000 : 0x10000;
3199 } else if (mov->mode == MODE_PSP)
3200 ffio_wfourcc(pb, "MSNV");
3201 else if (mov->mode == MODE_MP4)
3202 ffio_wfourcc(pb, "isom");
3203 else if (mov->mode == MODE_IPOD)
3204 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3205 else if (mov->mode == MODE_ISM)
3206 ffio_wfourcc(pb, "isml");
3207 else if (mov->mode == MODE_F4V)
3208 ffio_wfourcc(pb, "f4v ");
3210 ffio_wfourcc(pb, "qt ");
3212 avio_wb32(pb, minor);
3214 if (mov->mode == MODE_MOV)
3215 ffio_wfourcc(pb, "qt ");
3216 else if (mov->mode == MODE_ISM) {
3217 ffio_wfourcc(pb, "piff");
3218 ffio_wfourcc(pb, "iso2");
3220 ffio_wfourcc(pb, "isom");
3221 ffio_wfourcc(pb, "iso2");
3223 ffio_wfourcc(pb, "avc1");
3226 if (mov->mode == MODE_3GP)
3227 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3228 else if (mov->mode & MODE_3G2)
3229 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3230 else if (mov->mode == MODE_PSP)
3231 ffio_wfourcc(pb, "MSNV");
3232 else if (mov->mode == MODE_MP4)
3233 ffio_wfourcc(pb, "mp41");
3234 return update_size(pb, pos);
3237 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3239 AVStream *video_st = s->streams[0];
3240 AVCodecContext *video_codec = s->streams[0]->codec;
3241 AVCodecContext *audio_codec = s->streams[1]->codec;
3242 int audio_rate = audio_codec->sample_rate;
3243 // TODO: should be avg_frame_rate
3244 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3245 int audio_kbitrate = audio_codec->bit_rate / 1000;
3246 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3248 avio_wb32(pb, 0x94); /* size */
3249 ffio_wfourcc(pb, "uuid");
3250 ffio_wfourcc(pb, "PROF");
3252 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3253 avio_wb32(pb, 0xbb88695c);
3254 avio_wb32(pb, 0xfac9c740);
3256 avio_wb32(pb, 0x0); /* ? */
3257 avio_wb32(pb, 0x3); /* 3 sections ? */
3259 avio_wb32(pb, 0x14); /* size */
3260 ffio_wfourcc(pb, "FPRF");
3261 avio_wb32(pb, 0x0); /* ? */
3262 avio_wb32(pb, 0x0); /* ? */
3263 avio_wb32(pb, 0x0); /* ? */
3265 avio_wb32(pb, 0x2c); /* size */
3266 ffio_wfourcc(pb, "APRF"); /* audio */
3268 avio_wb32(pb, 0x2); /* TrackID */
3269 ffio_wfourcc(pb, "mp4a");
3270 avio_wb32(pb, 0x20f);
3272 avio_wb32(pb, audio_kbitrate);
3273 avio_wb32(pb, audio_kbitrate);
3274 avio_wb32(pb, audio_rate);
3275 avio_wb32(pb, audio_codec->channels);
3277 avio_wb32(pb, 0x34); /* size */
3278 ffio_wfourcc(pb, "VPRF"); /* video */
3280 avio_wb32(pb, 0x1); /* TrackID */
3281 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3282 ffio_wfourcc(pb, "avc1");
3283 avio_wb16(pb, 0x014D);
3284 avio_wb16(pb, 0x0015);
3286 ffio_wfourcc(pb, "mp4v");
3287 avio_wb16(pb, 0x0000);
3288 avio_wb16(pb, 0x0103);
3291 avio_wb32(pb, video_kbitrate);
3292 avio_wb32(pb, video_kbitrate);
3293 avio_wb32(pb, frame_rate);
3294 avio_wb32(pb, frame_rate);
3295 avio_wb16(pb, video_codec->width);
3296 avio_wb16(pb, video_codec->height);
3297 avio_wb32(pb, 0x010001); /* ? */
3300 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3303 int i, closed_gop = 0;
3305 for (i = 0; i < pkt->size - 4; i++) {
3306 c = (c << 8) + pkt->data[i];
3307 if (c == 0x1b8) { // gop
3308 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3309 } else if (c == 0x100) { // pic
3310 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3311 if (!temp_ref || closed_gop) // I picture is not reordered
3312 *flags = MOV_SYNC_SAMPLE;
3314 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3321 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3323 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3324 int seq = 0, entry = 0;
3325 int key = pkt->flags & AV_PKT_FLAG_KEY;
3326 start = find_next_marker(pkt->data, end);
3327 for (next = start; next < end; start = next) {
3328 next = find_next_marker(start + 4, end);
3329 switch (AV_RB32(start)) {
3330 case VC1_CODE_SEQHDR:
3333 case VC1_CODE_ENTRYPOINT:
3336 case VC1_CODE_SLICE:
3337 trk->vc1_info.slices = 1;
3341 if (!trk->entry && !fragment) {
3342 /* First packet in first fragment */
3343 trk->vc1_info.first_packet_seq = seq;
3344 trk->vc1_info.first_packet_entry = entry;
3345 } else if ((seq && !trk->vc1_info.packet_seq) ||
3346 (entry && !trk->vc1_info.packet_entry)) {
3348 for (i = 0; i < trk->entry; i++)
3349 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3350 trk->has_keyframes = 0;
3352 trk->vc1_info.packet_seq = 1;
3354 trk->vc1_info.packet_entry = 1;
3356 /* First fragment */
3357 if ((!seq || trk->vc1_info.first_packet_seq) &&
3358 (!entry || trk->vc1_info.first_packet_entry)) {
3359 /* First packet had the same headers as this one, readd the
3360 * sync sample flag. */
3361 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3362 trk->has_keyframes = 1;
3366 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3368 else if (trk->vc1_info.packet_seq)
3370 else if (trk->vc1_info.packet_entry)
3373 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3374 trk->has_keyframes++;
3378 static int mov_flush_fragment(AVFormatContext *s)
3380 MOVMuxContext *mov = s->priv_data;
3381 int i, first_track = -1;
3382 int64_t mdat_size = 0;
3384 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3387 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3388 int64_t pos = avio_tell(s->pb);
3390 int buf_size, moov_size;
3392 for (i = 0; i < mov->nb_streams; i++)
3393 if (!mov->tracks[i].entry)
3395 /* Don't write the initial moov unless all tracks have data */
3396 if (i < mov->nb_streams)
3399 moov_size = get_moov_size(s);
3400 for (i = 0; i < mov->nb_streams; i++)
3401 mov->tracks[i].data_offset = pos + moov_size + 8;
3403 mov_write_moov_tag(s->pb, mov, s);
3405 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3406 mov->mdat_buf = NULL;
3407 avio_wb32(s->pb, buf_size + 8);
3408 ffio_wfourcc(s->pb, "mdat");
3409 avio_write(s->pb, buf, buf_size);
3414 for (i = 0; i < mov->nb_streams; i++) {
3415 if (mov->tracks[i].entry)
3416 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3417 mov->tracks[i].track_duration -
3418 mov->tracks[i].cluster[0].dts;
3419 mov->tracks[i].entry = 0;
3425 for (i = 0; i < mov->nb_streams; i++) {
3426 MOVTrack *track = &mov->tracks[i];
3427 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3428 track->data_offset = 0;
3430 track->data_offset = mdat_size;
3431 if (!track->mdat_buf)
3433 mdat_size += avio_tell(track->mdat_buf);
3434 if (first_track < 0)
3441 for (i = 0; i < mov->nb_streams; i++) {
3442 MOVTrack *track = &mov->tracks[i];
3443 int buf_size, write_moof = 1, moof_tracks = -1;
3445 int64_t duration = 0;
3448 duration = track->start_dts + track->track_duration -
3449 track->cluster[0].dts;
3450 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3451 if (!track->mdat_buf)
3453 mdat_size = avio_tell(track->mdat_buf);
3456 write_moof = i == first_track;
3460 MOVFragmentInfo *info;
3462 track->nb_frag_info++;
3463 if (track->nb_frag_info >= track->frag_info_capacity) {
3464 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3465 if (av_reallocp_array(&track->frag_info,
3467 sizeof(*track->frag_info)))
3468 return AVERROR(ENOMEM);
3469 track->frag_info_capacity = new_capacity;
3471 info = &track->frag_info[track->nb_frag_info - 1];
3472 info->offset = avio_tell(s->pb);
3473 info->time = mov->tracks[i].frag_start;
3474 info->duration = duration;
3475 mov_write_tfrf_tags(s->pb, mov, track);
3477 mov_write_moof_tag(s->pb, mov, moof_tracks);
3478 info->tfrf_offset = track->tfrf_offset;
3481 avio_wb32(s->pb, mdat_size + 8);
3482 ffio_wfourcc(s->pb, "mdat");
3486 track->frag_start += duration;
3488 if (!track->mdat_buf)
3490 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3491 track->mdat_buf = NULL;
3493 avio_write(s->pb, buf, buf_size);
3503 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3505 MOVMuxContext *mov = s->priv_data;
3506 AVIOContext *pb = s->pb;
3507 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3508 AVCodecContext *enc = trk->enc;
3509 unsigned int samples_in_chunk = 0;
3510 int size = pkt->size;
3511 uint8_t *reformatted_data = NULL;
3514 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3515 if (duration < 0 || duration > INT_MAX) {
3516 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3520 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3521 pkt->pts = AV_NOPTS_VALUE;
3523 if (pkt->duration < 0) {
3524 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
3525 return AVERROR(EINVAL);
3528 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3530 if (mov->fragments > 0) {
3531 if (!trk->mdat_buf) {
3532 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3537 if (!mov->mdat_buf) {
3538 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3545 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3546 /* We must find out how many AMR blocks there are in one packet */
3547 static uint16_t packed_size[16] =
3548 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3551 while (len < size && samples_in_chunk < 100) {
3552 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3555 if (samples_in_chunk > 1) {
3556 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3559 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3560 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3561 samples_in_chunk = enc->frame_size;
3562 } else if (trk->sample_size)
3563 samples_in_chunk = size / trk->sample_size;
3565 samples_in_chunk = 1;
3567 /* copy extradata if it exists */
3568 if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag)) {
3569 trk->vos_len = enc->extradata_size;
3570 trk->vos_data = av_malloc(trk->vos_len);
3571 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3574 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3575 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3576 if (!s->streams[pkt->stream_index]->nb_frames) {
3577 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3578 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3579 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3582 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3584 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
3585 /* from x264 or from bytestream h264 */
3586 /* nal reformating needed */
3587 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3588 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3590 avio_write(pb, reformatted_data, size);
3592 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3594 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3595 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3596 /* extradata is Annex B, assume the bitstream is too and convert it */
3597 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3598 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3599 avio_write(pb, reformatted_data, size);
3601 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3604 avio_write(pb, pkt->data, size);
3607 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3608 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3609 /* copy frame to create needed atoms */
3610 trk->vos_len = size;
3611 trk->vos_data = av_malloc(size);
3613 return AVERROR(ENOMEM);
3614 memcpy(trk->vos_data, pkt->data, size);
3617 if (trk->entry >= trk->cluster_capacity) {
3618 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3619 if (av_reallocp_array(&trk->cluster, new_capacity,
3620 sizeof(*trk->cluster)))
3621 return AVERROR(ENOMEM);
3622 trk->cluster_capacity = new_capacity;
3625 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3626 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3627 trk->cluster[trk->entry].chunkNum = 0;
3628 trk->cluster[trk->entry].size = size;
3629 trk->cluster[trk->entry].entries = samples_in_chunk;
3630 trk->cluster[trk->entry].dts = pkt->dts;
3631 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3632 /* First packet of a new fragment. We already wrote the duration
3633 * of the last packet of the previous fragment based on track_duration,
3634 * which might not exactly match our dts. Therefore adjust the dts
3635 * of this packet to be what the previous packets duration implies. */
3636 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3638 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3639 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3641 if (trk->start_dts == AV_NOPTS_VALUE)
3642 trk->start_dts = pkt->dts;
3643 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3644 trk->last_sample_is_subtitle_end = 0;
3646 if (pkt->pts == AV_NOPTS_VALUE) {
3647 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3648 pkt->pts = pkt->dts;
3650 if (pkt->dts != pkt->pts)
3651 trk->flags |= MOV_TRACK_CTTS;
3652 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3653 trk->cluster[trk->entry].flags = 0;
3654 if (enc->codec_id == AV_CODEC_ID_VC1) {
3655 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3656 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3657 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3658 trk->entry > 0) { // force sync sample for the first key frame
3659 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3660 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3661 trk->flags |= MOV_TRACK_STPS;
3663 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3665 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3666 trk->has_keyframes++;
3669 trk->sample_count += samples_in_chunk;
3670 mov->mdat_size += size;
3672 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3673 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3674 reformatted_data, size);
3675 av_free(reformatted_data);
3679 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3681 MOVMuxContext *mov = s->priv_data;
3682 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3683 AVCodecContext *enc = trk->enc;
3684 int64_t frag_duration = 0;
3685 int size = pkt->size;
3688 return 0; /* Discard 0 sized packets */
3690 if (trk->entry && pkt->stream_index < s->nb_streams)
3691 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3692 s->streams[pkt->stream_index]->time_base,
3694 if ((mov->max_fragment_duration &&
3695 frag_duration >= mov->max_fragment_duration) ||
3696 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3697 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3698 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3699 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3700 if (frag_duration >= mov->min_fragment_duration)
3701 mov_flush_fragment(s);
3704 return ff_mov_write_packet(s, pkt);
3707 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3711 uint8_t data[2] = {0};
3714 av_init_packet(&end);
3715 end.size = sizeof(data);
3720 end.stream_index = stream_index;
3722 ret = mov_write_single_packet(s, &end);
3723 av_free_packet(&end);
3728 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3731 mov_flush_fragment(s);
3735 MOVMuxContext *mov = s->priv_data;
3737 if (!pkt->size) return 0; /* Discard 0 sized packets */
3740 * Subtitles require special handling.
3742 * 1) For full complaince, every track must have a sample at
3743 * dts == 0, which is rarely true for subtitles. So, as soon
3744 * as we see any packet with dts > 0, write an empty subtitle
3745 * at dts == 0 for any subtitle track with no samples in it.
3747 * 2) For each subtitle track, check if the current packet's
3748 * dts is past the duration of the last subtitle sample. If
3749 * so, we now need to write an end sample for that subtitle.
3751 * This must be done conditionally to allow for subtitles that
3752 * immediately replace each other, in which case an end sample
3753 * is not needed, and is, in fact, actively harmful.
3755 * 3) See mov_write_trailer for how the final end sample is
3758 for (i = 0; i < mov->nb_streams; i++) {
3759 MOVTrack *trk = &mov->tracks[i];
3762 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3763 trk->track_duration < pkt->dts &&
3764 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3765 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3766 if (ret < 0) return ret;
3767 trk->last_sample_is_subtitle_end = 1;
3771 return mov_write_single_packet(s, pkt);
3775 // QuickTime chapters involve an additional text track with the chapter names
3776 // as samples, and a tref pointing from the other tracks to the chapter one.
3777 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3781 MOVMuxContext *mov = s->priv_data;
3782 MOVTrack *track = &mov->tracks[tracknum];
3783 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3786 track->mode = mov->mode;
3787 track->tag = MKTAG('t','e','x','t');
3788 track->timescale = MOV_TIMESCALE;
3789 track->enc = avcodec_alloc_context3(NULL);
3791 return AVERROR(ENOMEM);
3792 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3794 // These properties are required to make QT recognize the chapter track
3795 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3796 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
3797 return AVERROR(ENOMEM);
3798 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3800 if (avio_open_dyn_buf(&pb) >= 0) {
3804 /* Stub header (usually for Quicktime chapter track) */
3806 avio_wb32(pb, 0x01); // displayFlags
3807 avio_w8(pb, 0x00); // horizontal justification
3808 avio_w8(pb, 0x00); // vertical justification
3809 avio_w8(pb, 0x00); // bgColourRed
3810 avio_w8(pb, 0x00); // bgColourGreen
3811 avio_w8(pb, 0x00); // bgColourBlue
3812 avio_w8(pb, 0x00); // bgColourAlpha
3814 avio_wb16(pb, 0x00); // defTextBoxTop
3815 avio_wb16(pb, 0x00); // defTextBoxLeft
3816 avio_wb16(pb, 0x00); // defTextBoxBottom
3817 avio_wb16(pb, 0x00); // defTextBoxRight
3819 avio_wb16(pb, 0x00); // startChar
3820 avio_wb16(pb, 0x00); // endChar
3821 avio_wb16(pb, 0x01); // fontID
3822 avio_w8(pb, 0x00); // fontStyleFlags
3823 avio_w8(pb, 0x00); // fontSize
3824 avio_w8(pb, 0x00); // fgColourRed
3825 avio_w8(pb, 0x00); // fgColourGreen
3826 avio_w8(pb, 0x00); // fgColourBlue
3827 avio_w8(pb, 0x00); // fgColourAlpha
3829 avio_wb32(pb, 0x0D); // box size
3830 ffio_wfourcc(pb, "ftab"); // box atom name
3831 avio_wb16(pb, 0x01); // entry count
3833 avio_wb16(pb, 0x01); // font ID
3834 avio_w8(pb, 0x00); // font name length
3836 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3837 track->enc->extradata = buf;
3838 track->enc->extradata_size = size;
3845 for (i = 0; i < s->nb_chapters; i++) {
3846 AVChapter *c = s->chapters[i];
3847 AVDictionaryEntry *t;
3849 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3850 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3851 pkt.duration = end - pkt.dts;
3853 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3854 const char encd[12] = {
3855 0x00, 0x00, 0x00, 0x0C,
3857 0x00, 0x00, 0x01, 0x00 };
3858 len = strlen(t->value);
3859 pkt.size = len + 2 + 12;
3860 pkt.data = av_malloc(pkt.size);
3862 return AVERROR(ENOMEM);
3863 AV_WB16(pkt.data, len);
3864 memcpy(pkt.data + 2, t->value, len);
3865 memcpy(pkt.data + len + 2, encd, sizeof(encd));
3866 ff_mov_write_packet(s, &pkt);
3867 av_freep(&pkt.data);
3874 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3877 MOVMuxContext *mov = s->priv_data;
3878 MOVTrack *track = &mov->tracks[index];
3879 AVStream *src_st = s->streams[src_index];
3881 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3882 AVRational rate = find_fps(s, src_st);
3884 /* compute the frame number */
3885 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3889 /* tmcd track based on video stream */
3890 track->mode = mov->mode;
3891 track->tag = MKTAG('t','m','c','d');
3892 track->src_track = src_index;
3893 track->timescale = mov->tracks[src_index].timescale;
3894 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3895 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3897 /* set st to src_st for metadata access*/
3900 /* encode context: tmcd data stream */
3901 track->enc = avcodec_alloc_context3(NULL);
3902 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3903 track->enc->codec_tag = track->tag;
3904 track->enc->time_base = av_inv_q(rate);
3906 /* the tmcd track just contains one packet with the frame number */
3907 pkt.data = av_malloc(pkt.size);
3908 AV_WB32(pkt.data, tc.start);
3909 ret = ff_mov_write_packet(s, &pkt);
3915 * st->disposition controls the "enabled" flag in the tkhd tag.
3916 * QuickTime will not play a track if it is not enabled. So make sure
3917 * that one track of each type (audio, video, subtitle) is enabled.
3919 * Subtitles are special. For audio and video, setting "enabled" also
3920 * makes the track "default" (i.e. it is rendered when played). For
3921 * subtitles, an "enabled" subtitle is not rendered by default, but
3922 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3925 static void enable_tracks(AVFormatContext *s)
3927 MOVMuxContext *mov = s->priv_data;
3929 int enabled[AVMEDIA_TYPE_NB];
3930 int first[AVMEDIA_TYPE_NB];
3932 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3937 for (i = 0; i < s->nb_streams; i++) {
3938 AVStream *st = s->streams[i];
3940 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3941 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3944 if (first[st->codec->codec_type] < 0)
3945 first[st->codec->codec_type] = i;
3946 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3947 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3948 enabled[st->codec->codec_type]++;
3952 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3954 case AVMEDIA_TYPE_VIDEO:
3955 case AVMEDIA_TYPE_AUDIO:
3956 case AVMEDIA_TYPE_SUBTITLE:
3958 mov->per_stream_grouping = 1;
3959 if (!enabled[i] && first[i] >= 0)
3960 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3966 static void mov_free(AVFormatContext *s)
3968 MOVMuxContext *mov = s->priv_data;
3971 if (mov->chapter_track) {
3972 if (mov->tracks[mov->chapter_track].enc)
3973 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
3974 av_freep(&mov->tracks[mov->chapter_track].enc);
3977 for (i = 0; i < mov->nb_streams; i++) {
3978 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3979 ff_mov_close_hinting(&mov->tracks[i]);
3980 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3981 av_freep(&mov->tracks[i].enc);
3982 av_freep(&mov->tracks[i].cluster);
3983 av_freep(&mov->tracks[i].frag_info);
3985 if (mov->tracks[i].vos_len)
3986 av_freep(&mov->tracks[i].vos_data);
3989 av_freep(&mov->tracks);
3992 static uint32_t rgb_to_yuv(uint32_t rgb)
3997 r = (rgb >> 16) & 0xFF;
3998 g = (rgb >> 8) & 0xFF;
4001 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4002 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4003 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4005 return (y << 16) | (cr << 8) | cb;
4008 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4011 int i, width = 720, height = 480;
4012 int have_palette = 0, have_size = 0;
4013 uint32_t palette[16];
4014 char *cur = st->codec->extradata;
4016 while (cur && *cur) {
4017 if (strncmp("palette:", cur, 8) == 0) {
4019 count = sscanf(cur + 8,
4020 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4021 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4022 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4023 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4024 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4025 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4026 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4027 &palette[12], &palette[13], &palette[14], &palette[15]);
4029 for (i = 0; i < count; i++) {
4030 palette[i] = rgb_to_yuv(palette[i]);
4033 } else if (!strncmp("size:", cur, 5)) {
4034 sscanf(cur + 5, "%dx%d", &width, &height);
4037 if (have_palette && have_size)
4039 cur += strcspn(cur, "\n\r");
4040 cur += strspn(cur, "\n\r");
4043 track->vos_data = av_malloc(16*4);
4044 if (!track->vos_data)
4045 return AVERROR(ENOMEM);
4046 for (i = 0; i < 16; i++) {
4047 AV_WB32(track->vos_data + i * 4, palette[i]);
4049 track->vos_len = 16 * 4;
4051 st->codec->width = width;
4052 st->codec->height = track->height = height;
4057 static int mov_write_header(AVFormatContext *s)
4059 AVIOContext *pb = s->pb;
4060 MOVMuxContext *mov = s->priv_data;
4061 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4062 int i, ret, hint_track = 0, tmcd_track = 0;
4066 /* Default mode == MP4 */
4067 mov->mode = MODE_MP4;
4070 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4071 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4072 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4073 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4074 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4075 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4076 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4079 if (s->flags & AVFMT_FLAG_BITEXACT)
4082 /* Set the FRAGMENT flag if any of the fragmentation methods are
4084 if (mov->max_fragment_duration || mov->max_fragment_size ||
4085 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4086 FF_MOV_FLAG_FRAG_KEYFRAME |
4087 FF_MOV_FLAG_FRAG_CUSTOM))
4088 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4090 /* Set other implicit flags immediately */
4091 if (mov->mode == MODE_ISM)
4092 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4093 FF_MOV_FLAG_FRAGMENT;
4095 /* faststart: moov at the beginning of the file, if supported */
4096 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4097 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
4098 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
4099 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
4100 "with fragmentation and custom IO, disabling faststart\n");
4101 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
4103 mov->reserved_moov_size = -1;
4106 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
4107 s->avoid_negative_ts = 2;
4110 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4111 * is enabled, we don't support non-seekable output at all. */
4112 if (!s->pb->seekable &&
4113 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4114 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4115 return AVERROR(EINVAL);
4118 mov_write_ftyp_tag(pb,s);
4119 if (mov->mode == MODE_PSP) {
4120 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4121 for (i = 0; i < s->nb_streams; i++) {
4122 AVStream *st = s->streams[i];
4123 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4125 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4131 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4132 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4133 return AVERROR(EINVAL);
4135 mov_write_uuidprof_tag(pb, s);
4138 mov->nb_streams = s->nb_streams;
4139 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4140 mov->chapter_track = mov->nb_streams++;
4142 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4143 /* Add hint tracks for each audio and video stream */
4144 hint_track = mov->nb_streams;
4145 for (i = 0; i < s->nb_streams; i++) {
4146 AVStream *st = s->streams[i];
4147 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4148 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4154 if (mov->mode == MODE_MOV) {
4155 tmcd_track = mov->nb_streams;
4157 /* +1 tmcd track for each video stream with a timecode */
4158 for (i = 0; i < s->nb_streams; i++) {
4159 AVStream *st = s->streams[i];
4160 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4161 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4162 mov->nb_meta_tmcd++;
4165 /* check if there is already a tmcd track to remux */
4166 if (mov->nb_meta_tmcd) {
4167 for (i = 0; i < s->nb_streams; i++) {
4168 AVStream *st = s->streams[i];
4169 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4170 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4171 "so timecode metadata are now ignored\n");
4172 mov->nb_meta_tmcd = 0;
4177 mov->nb_streams += mov->nb_meta_tmcd;
4180 // Reserve an extra stream for chapters for the case where chapters
4181 // are written in the trailer
4182 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4184 return AVERROR(ENOMEM);
4186 for (i = 0; i < s->nb_streams; i++) {
4187 AVStream *st= s->streams[i];
4188 MOVTrack *track= &mov->tracks[i];
4189 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4192 track->enc = st->codec;
4193 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4194 if (track->language < 0)
4195 track->language = 0;
4196 track->mode = mov->mode;
4197 track->tag = mov_find_codec_tag(s, track);
4199 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4200 "codec not currently supported in container\n",
4201 avcodec_get_name(st->codec->codec_id), i);
4202 ret = AVERROR(EINVAL);
4205 /* If hinting of this track is enabled by a later hint track,
4206 * this is updated. */
4207 track->hint_track = -1;
4208 track->start_dts = AV_NOPTS_VALUE;
4209 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4210 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4211 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4212 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4213 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4214 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4215 ret = AVERROR(EINVAL);
4218 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4220 if (mov->video_track_timescale) {
4221 track->timescale = mov->video_track_timescale;
4223 track->timescale = st->time_base.den;
4224 while(track->timescale < 10000)
4225 track->timescale *= 2;
4227 if (st->codec->width > 65535 || st->codec->height > 65535) {
4228 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4229 ret = AVERROR(EINVAL);
4232 if (track->mode == MODE_MOV && track->timescale > 100000)
4233 av_log(s, AV_LOG_WARNING,
4234 "WARNING codec timebase is very high. If duration is too long,\n"
4235 "file may not be playable by quicktime. Specify a shorter timebase\n"
4236 "or choose different container.\n");
4237 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4238 track->timescale = st->codec->sample_rate;
4239 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4240 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4241 track->audio_vbr = 1;
4242 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4243 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4244 st->codec->codec_id == AV_CODEC_ID_ILBC){
4245 if (!st->codec->block_align) {
4246 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4247 ret = AVERROR(EINVAL);
4250 track->sample_size = st->codec->block_align;
4251 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4252 track->audio_vbr = 1;
4254 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4256 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4257 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4258 track->audio_vbr = 1;
4260 if (track->mode != MODE_MOV &&
4261 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4262 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4263 i, track->enc->sample_rate);
4264 ret = AVERROR(EINVAL);
4267 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4268 track->timescale = st->time_base.den;
4269 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4270 track->timescale = st->time_base.den;
4272 track->timescale = MOV_TIMESCALE;
4275 track->height = st->codec->height;
4276 /* The ism specific timescale isn't mandatory, but is assumed by
4277 * some tools, such as mp4split. */
4278 if (mov->mode == MODE_ISM)
4279 track->timescale = 10000000;
4281 avpriv_set_pts_info(st, 64, 1, track->timescale);
4283 /* copy extradata if it exists */
4284 if (st->codec->extradata_size) {
4285 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4286 mov_create_dvd_sub_decoder_specific_info(track, st);
4287 else if (!TAG_IS_AVCI(track->tag)){
4288 track->vos_len = st->codec->extradata_size;
4289 track->vos_data = av_malloc(track->vos_len);
4290 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
4295 for (i = 0; i < s->nb_streams; i++) {
4297 AVStream *st= s->streams[i];
4298 MOVTrack *track= &mov->tracks[i];
4300 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4301 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
4304 for (j = 0; j < s->nb_streams; j++) {
4305 AVStream *stj= s->streams[j];
4306 MOVTrack *trackj= &mov->tracks[j];
4310 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4311 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
4312 trackj->language != track->language ||
4313 trackj->tag != track->tag
4316 track->multichannel_as_mono++;
4323 if (mov->reserved_moov_size){
4324 mov->reserved_moov_pos= avio_tell(pb);
4325 if (mov->reserved_moov_size > 0)
4326 avio_skip(pb, mov->reserved_moov_size);
4329 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4330 /* If no fragmentation options have been set, set a default. */
4331 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
4332 FF_MOV_FLAG_FRAG_CUSTOM)) &&
4333 !mov->max_fragment_duration && !mov->max_fragment_size)
4334 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
4336 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4337 mov->reserved_moov_pos = avio_tell(pb);
4338 mov_write_mdat_tag(pb, mov);
4341 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4342 mov->time = ff_iso8601_to_unix_time(t->value);
4344 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4346 if (mov->chapter_track)
4347 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4350 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4351 /* Initialize the hint tracks for each audio and video stream */
4352 for (i = 0; i < s->nb_streams; i++) {
4353 AVStream *st = s->streams[i];
4354 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4355 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4356 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
4363 if (mov->nb_meta_tmcd) {
4364 /* Initialize the tmcd tracks */
4365 for (i = 0; i < s->nb_streams; i++) {
4366 AVStream *st = s->streams[i];
4369 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4371 t = av_dict_get(st->metadata, "timecode", NULL, 0);
4374 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4383 if (mov->flags & FF_MOV_FLAG_ISML)
4384 mov_write_isml_manifest(pb, mov);
4386 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4387 mov_write_moov_tag(pb, mov, s);
4397 static int get_moov_size(AVFormatContext *s)
4400 AVIOContext *moov_buf;
4401 MOVMuxContext *mov = s->priv_data;
4403 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4405 mov_write_moov_tag(moov_buf, mov, s);
4406 return ffio_close_null_buf(moov_buf);
4410 * This function gets the moov size if moved to the top of the file: the chunk
4411 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4412 * entries) when the moov is moved to the beginning, so the size of the moov
4413 * would change. It also updates the chunk offset tables.
4415 static int compute_moov_size(AVFormatContext *s)
4417 int i, moov_size, moov_size2;
4418 MOVMuxContext *mov = s->priv_data;
4420 moov_size = get_moov_size(s);
4424 for (i = 0; i < mov->nb_streams; i++)
4425 mov->tracks[i].data_offset += moov_size;
4427 moov_size2 = get_moov_size(s);
4431 /* if the size changed, we just switched from stco to co64 and need to
4432 * update the offsets */
4433 if (moov_size2 != moov_size)
4434 for (i = 0; i < mov->nb_streams; i++)
4435 mov->tracks[i].data_offset += moov_size2 - moov_size;
4440 static int shift_data(AVFormatContext *s)
4442 int ret = 0, moov_size;
4443 MOVMuxContext *mov = s->priv_data;
4444 int64_t pos, pos_end = avio_tell(s->pb);
4445 uint8_t *buf, *read_buf[2];
4446 int read_buf_id = 0;
4448 AVIOContext *read_pb;
4450 moov_size = compute_moov_size(s);
4454 buf = av_malloc(moov_size * 2);
4456 return AVERROR(ENOMEM);
4458 read_buf[1] = buf + moov_size;
4460 /* Shift the data: the AVIO context of the output can only be used for
4461 * writing, so we re-open the same output, but for reading. It also avoids
4462 * a read/seek/write/seek back and forth. */
4464 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4466 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4467 "the second pass (faststart)\n", s->filename);
4471 /* mark the end of the shift to up to the last data we wrote, and get ready
4473 pos_end = avio_tell(s->pb);
4474 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4476 /* start reading at where the new moov will be placed */
4477 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4478 pos = avio_tell(read_pb);
4480 #define READ_BLOCK do { \
4481 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4485 /* shift data by chunk of at most moov_size */
4490 n = read_size[read_buf_id];
4493 avio_write(s->pb, read_buf[read_buf_id], n);
4495 } while (pos < pos_end);
4496 avio_close(read_pb);
4503 static int mov_write_trailer(AVFormatContext *s)
4505 MOVMuxContext *mov = s->priv_data;
4506 AVIOContext *pb = s->pb;
4512 * Before actually writing the trailer, make sure that there are no
4513 * dangling subtitles, that need a terminating sample.
4515 for (i = 0; i < mov->nb_streams; i++) {
4516 MOVTrack *trk = &mov->tracks[i];
4517 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4518 !trk->last_sample_is_subtitle_end) {
4519 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4520 trk->last_sample_is_subtitle_end = 1;
4524 // If there were no chapters when the header was written, but there
4525 // are chapters now, write them in the trailer. This only works
4526 // when we are not doing fragments.
4527 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4528 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4529 mov->chapter_track = mov->nb_streams++;
4530 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4535 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4536 moov_pos = avio_tell(pb);
4538 /* Write size of mdat tag */
4539 if (mov->mdat_size + 8 <= UINT32_MAX) {
4540 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4541 avio_wb32(pb, mov->mdat_size + 8);
4543 /* overwrite 'wide' placeholder atom */
4544 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4545 /* special value: real atom size will be 64 bit value after
4548 ffio_wfourcc(pb, "mdat");
4549 avio_wb64(pb, mov->mdat_size + 16);
4551 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4553 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4554 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4555 res = shift_data(s);
4557 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4558 mov_write_moov_tag(pb, mov, s);
4560 } else if (mov->reserved_moov_size > 0) {
4562 mov_write_moov_tag(pb, mov, s);
4563 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4565 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4568 avio_wb32(pb, size);
4569 ffio_wfourcc(pb, "free");
4570 ffio_fill(pb, 0, size - 8);
4571 avio_seek(pb, moov_pos, SEEK_SET);
4573 mov_write_moov_tag(pb, mov, s);
4576 mov_flush_fragment(s);
4577 mov_write_mfra_tag(pb, mov);
4580 for (i = 0; i < mov->nb_streams; i++) {
4581 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4582 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4583 int64_t off = avio_tell(pb);
4585 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4586 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4587 avio_write(pb, buf, 7);
4588 avio_seek(pb, off, SEEK_SET);
4599 #if CONFIG_MOV_MUXER
4601 AVOutputFormat ff_mov_muxer = {
4603 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4604 .extensions = "mov",
4605 .priv_data_size = sizeof(MOVMuxContext),
4606 .audio_codec = AV_CODEC_ID_AAC,
4607 .video_codec = CONFIG_LIBX264_ENCODER ?
4608 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4609 .write_header = mov_write_header,
4610 .write_packet = mov_write_packet,
4611 .write_trailer = mov_write_trailer,
4612 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4613 .codec_tag = (const AVCodecTag* const []){
4614 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4616 .priv_class = &mov_muxer_class,
4619 #if CONFIG_TGP_MUXER
4621 AVOutputFormat ff_tgp_muxer = {
4623 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4624 .extensions = "3gp",
4625 .priv_data_size = sizeof(MOVMuxContext),
4626 .audio_codec = AV_CODEC_ID_AMR_NB,
4627 .video_codec = AV_CODEC_ID_H263,
4628 .write_header = mov_write_header,
4629 .write_packet = mov_write_packet,
4630 .write_trailer = mov_write_trailer,
4631 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4632 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4633 .priv_class = &tgp_muxer_class,
4636 #if CONFIG_MP4_MUXER
4638 AVOutputFormat ff_mp4_muxer = {
4640 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4641 .mime_type = "application/mp4",
4642 .extensions = "mp4",
4643 .priv_data_size = sizeof(MOVMuxContext),
4644 .audio_codec = AV_CODEC_ID_AAC,
4645 .video_codec = CONFIG_LIBX264_ENCODER ?
4646 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4647 .write_header = mov_write_header,
4648 .write_packet = mov_write_packet,
4649 .write_trailer = mov_write_trailer,
4650 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4651 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4652 .priv_class = &mp4_muxer_class,
4655 #if CONFIG_PSP_MUXER
4657 AVOutputFormat ff_psp_muxer = {
4659 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4660 .extensions = "mp4,psp",
4661 .priv_data_size = sizeof(MOVMuxContext),
4662 .audio_codec = AV_CODEC_ID_AAC,
4663 .video_codec = CONFIG_LIBX264_ENCODER ?
4664 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4665 .write_header = mov_write_header,
4666 .write_packet = mov_write_packet,
4667 .write_trailer = mov_write_trailer,
4668 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4669 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4670 .priv_class = &psp_muxer_class,
4673 #if CONFIG_TG2_MUXER
4675 AVOutputFormat ff_tg2_muxer = {
4677 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4678 .extensions = "3g2",
4679 .priv_data_size = sizeof(MOVMuxContext),
4680 .audio_codec = AV_CODEC_ID_AMR_NB,
4681 .video_codec = AV_CODEC_ID_H263,
4682 .write_header = mov_write_header,
4683 .write_packet = mov_write_packet,
4684 .write_trailer = mov_write_trailer,
4685 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4686 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4687 .priv_class = &tg2_muxer_class,
4690 #if CONFIG_IPOD_MUXER
4692 AVOutputFormat ff_ipod_muxer = {
4694 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4695 .mime_type = "application/mp4",
4696 .extensions = "m4v,m4a",
4697 .priv_data_size = sizeof(MOVMuxContext),
4698 .audio_codec = AV_CODEC_ID_AAC,
4699 .video_codec = AV_CODEC_ID_H264,
4700 .write_header = mov_write_header,
4701 .write_packet = mov_write_packet,
4702 .write_trailer = mov_write_trailer,
4703 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4704 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4705 .priv_class = &ipod_muxer_class,
4708 #if CONFIG_ISMV_MUXER
4710 AVOutputFormat ff_ismv_muxer = {
4712 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4713 .mime_type = "application/mp4",
4714 .extensions = "ismv,isma",
4715 .priv_data_size = sizeof(MOVMuxContext),
4716 .audio_codec = AV_CODEC_ID_AAC,
4717 .video_codec = AV_CODEC_ID_H264,
4718 .write_header = mov_write_header,
4719 .write_packet = mov_write_packet,
4720 .write_trailer = mov_write_trailer,
4721 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4722 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4723 .priv_class = &ismv_muxer_class,
4726 #if CONFIG_F4V_MUXER
4728 AVOutputFormat ff_f4v_muxer = {
4730 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4731 .mime_type = "application/f4v",
4732 .extensions = "f4v",
4733 .priv_data_size = sizeof(MOVMuxContext),
4734 .audio_codec = AV_CODEC_ID_AAC,
4735 .video_codec = AV_CODEC_ID_H264,
4736 .write_header = mov_write_header,
4737 .write_packet = mov_write_packet,
4738 .write_trailer = mov_write_trailer,
4739 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4740 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4741 .priv_class = &f4v_muxer_class,