3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
49 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "faststart", "Run a second pass to put the moov at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
57 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
58 { "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},
59 { "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},
60 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "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},
62 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
63 { "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},
64 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
65 { "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},
69 #define MOV_CLASS(flavor)\
70 static const AVClass flavor ## _muxer_class = {\
71 .class_name = #flavor " muxer",\
72 .item_name = av_default_item_name,\
74 .version = LIBAVUTIL_VERSION_INT,\
77 //FIXME support 64 bit variant with wide placeholders
78 static int64_t update_size(AVIOContext *pb, int64_t pos)
80 int64_t curpos = avio_tell(pb);
81 avio_seek(pb, pos, SEEK_SET);
82 avio_wb32(pb, curpos - pos); /* rewrite size */
83 avio_seek(pb, curpos, SEEK_SET);
88 static int supports_edts(MOVMuxContext *mov)
90 // EDTS with fragments is tricky as we don't know the duration when its written
91 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
94 static int is_co64_required(const MOVTrack *track)
98 for (i = 0; i < track->entry; i++) {
99 if (!track->cluster[i].chunkNum)
101 if (track->cluster[i].pos + track->data_offset > UINT32_MAX)
107 /* Chunk offset atom */
108 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
111 int mode64 = is_co64_required(track); // use 32 bit size variant if possible
112 int64_t pos = avio_tell(pb);
113 avio_wb32(pb, 0); /* size */
115 ffio_wfourcc(pb, "co64");
117 ffio_wfourcc(pb, "stco");
118 avio_wb32(pb, 0); /* version & flags */
119 avio_wb32(pb, track->chunkCount); /* entry count */
120 for (i = 0; i < track->entry; i++) {
121 if (!track->cluster[i].chunkNum)
124 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
126 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
128 return update_size(pb, pos);
131 /* Sample size atom */
132 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
135 int i, j, entries = 0, tst = -1, oldtst = -1;
137 int64_t pos = avio_tell(pb);
138 avio_wb32(pb, 0); /* size */
139 ffio_wfourcc(pb, "stsz");
140 avio_wb32(pb, 0); /* version & flags */
142 for (i = 0; i < track->entry; i++) {
143 tst = track->cluster[i].size / track->cluster[i].entries;
144 if (oldtst != -1 && tst != oldtst)
147 entries += track->cluster[i].entries;
149 if (equalChunks && track->entry) {
150 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
151 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
152 avio_wb32(pb, sSize); // sample size
153 avio_wb32(pb, entries); // sample count
155 avio_wb32(pb, 0); // sample size
156 avio_wb32(pb, entries); // sample count
157 for (i = 0; i < track->entry; i++) {
158 for (j = 0; j < track->cluster[i].entries; j++) {
159 avio_wb32(pb, track->cluster[i].size /
160 track->cluster[i].entries);
164 return update_size(pb, pos);
167 /* Sample to chunk atom */
168 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
170 int index = 0, oldval = -1, i;
171 int64_t entryPos, curpos;
173 int64_t pos = avio_tell(pb);
174 avio_wb32(pb, 0); /* size */
175 ffio_wfourcc(pb, "stsc");
176 avio_wb32(pb, 0); // version & flags
177 entryPos = avio_tell(pb);
178 avio_wb32(pb, track->chunkCount); // entry count
179 for (i = 0; i < track->entry; i++) {
180 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
181 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
182 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
183 avio_wb32(pb, 0x1); // sample description index
184 oldval = track->cluster[i].samples_in_chunk;
188 curpos = avio_tell(pb);
189 avio_seek(pb, entryPos, SEEK_SET);
190 avio_wb32(pb, index); // rewrite size
191 avio_seek(pb, curpos, SEEK_SET);
193 return update_size(pb, pos);
196 /* Sync sample atom */
197 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
199 int64_t curpos, entryPos;
201 int64_t pos = avio_tell(pb);
202 avio_wb32(pb, 0); // size
203 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
204 avio_wb32(pb, 0); // version & flags
205 entryPos = avio_tell(pb);
206 avio_wb32(pb, track->entry); // entry count
207 for (i = 0; i < track->entry; i++) {
208 if (track->cluster[i].flags & flag) {
209 avio_wb32(pb, i + 1);
213 curpos = avio_tell(pb);
214 avio_seek(pb, entryPos, SEEK_SET);
215 avio_wb32(pb, index); // rewrite size
216 avio_seek(pb, curpos, SEEK_SET);
217 return update_size(pb, pos);
220 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
222 avio_wb32(pb, 0x11); /* size */
223 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
224 else ffio_wfourcc(pb, "damr");
225 ffio_wfourcc(pb, "FFMP");
226 avio_w8(pb, 0); /* decoder version */
228 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
229 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
230 avio_w8(pb, 0x01); /* Frames per sample */
234 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
239 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
241 if (track->vos_len < 7)
245 ffio_wfourcc(pb, "dac3");
247 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
248 fscod = get_bits(&gbc, 2);
249 frmsizecod = get_bits(&gbc, 6);
250 bsid = get_bits(&gbc, 5);
251 bsmod = get_bits(&gbc, 3);
252 acmod = get_bits(&gbc, 3);
254 skip_bits(&gbc, 2); // dsurmod
256 if ((acmod & 1) && acmod != 1)
257 skip_bits(&gbc, 2); // cmixlev
259 skip_bits(&gbc, 2); // surmixlev
261 lfeon = get_bits1(&gbc);
263 init_put_bits(&pbc, buf, sizeof(buf));
264 put_bits(&pbc, 2, fscod);
265 put_bits(&pbc, 5, bsid);
266 put_bits(&pbc, 3, bsmod);
267 put_bits(&pbc, 3, acmod);
268 put_bits(&pbc, 1, lfeon);
269 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
270 put_bits(&pbc, 5, 0); // reserved
272 flush_put_bits(&pbc);
273 avio_write(pb, buf, sizeof(buf));
279 * This function writes extradata "as is".
280 * Extradata must be formatted like a valid atom (with size and tag).
282 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
284 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
285 return track->enc->extradata_size;
288 static int mov_write_enda_tag(AVIOContext *pb)
291 ffio_wfourcc(pb, "enda");
292 avio_wb16(pb, 1); /* little endian */
296 static int mov_write_enda_tag_be(AVIOContext *pb)
299 ffio_wfourcc(pb, "enda");
300 avio_wb16(pb, 0); /* big endian */
304 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
309 avio_w8(pb, (size >> (7 * i)) | 0x80);
310 avio_w8(pb, size & 0x7F);
313 static unsigned compute_avg_bitrate(MOVTrack *track)
317 if (!track->track_duration)
319 for (i = 0; i < track->entry; i++)
320 size += track->cluster[i].size;
321 return size * 8 * track->timescale / track->track_duration;
324 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
326 int64_t pos = avio_tell(pb);
327 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
328 unsigned avg_bitrate;
330 avio_wb32(pb, 0); // size
331 ffio_wfourcc(pb, "esds");
332 avio_wb32(pb, 0); // Version
335 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
336 avio_wb16(pb, track->track_id);
337 avio_w8(pb, 0x00); // flags (= no flags)
339 // DecoderConfig descriptor
340 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
342 // Object type indication
343 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
344 track->enc->codec_id == AV_CODEC_ID_MP3) &&
345 track->enc->sample_rate > 24000)
346 avio_w8(pb, 0x6B); // 11172-3
348 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
350 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
351 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
352 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
353 avio_w8(pb, 0x15); // flags (= Audiostream)
355 avio_w8(pb, 0x11); // flags (= Visualstream)
357 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
359 avg_bitrate = compute_avg_bitrate(track);
360 // maxbitrate (FIXME should be max rate in any 1 sec window)
361 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
362 avio_wb32(pb, avg_bitrate);
364 if (track->vos_len) {
365 // DecoderSpecific info descriptor
366 put_descr(pb, 0x05, track->vos_len);
367 avio_write(pb, track->vos_data, track->vos_len);
371 put_descr(pb, 0x06, 1);
373 return update_size(pb, pos);
376 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
378 return codec_id == AV_CODEC_ID_PCM_S24LE ||
379 codec_id == AV_CODEC_ID_PCM_S32LE ||
380 codec_id == AV_CODEC_ID_PCM_F32LE ||
381 codec_id == AV_CODEC_ID_PCM_F64LE;
384 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
386 return codec_id == AV_CODEC_ID_PCM_S24BE ||
387 codec_id == AV_CODEC_ID_PCM_S32BE ||
388 codec_id == AV_CODEC_ID_PCM_F32BE ||
389 codec_id == AV_CODEC_ID_PCM_F64BE;
392 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
394 int64_t pos = avio_tell(pb);
396 avio_wl32(pb, track->tag); // store it byteswapped
397 track->enc->codec_tag = av_bswap16(track->tag >> 16);
398 ff_put_wav_header(pb, track->enc);
399 return update_size(pb, pos);
402 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
404 int64_t pos = avio_tell(pb);
406 ffio_wfourcc(pb, "wfex");
407 ff_put_wav_header(pb, track->enc);
408 return update_size(pb, pos);
411 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
413 uint32_t layout_tag, bitmap;
414 int64_t pos = avio_tell(pb);
416 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
417 track->enc->channel_layout,
420 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
421 "lack of channel information\n");
425 avio_wb32(pb, 0); // Size
426 ffio_wfourcc(pb, "chan"); // Type
427 avio_w8(pb, 0); // Version
428 avio_wb24(pb, 0); // Flags
429 avio_wb32(pb, layout_tag); // mChannelLayoutTag
430 avio_wb32(pb, bitmap); // mChannelBitmap
431 avio_wb32(pb, 0); // mNumberChannelDescriptions
433 return update_size(pb, pos);
436 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
438 int64_t pos = avio_tell(pb);
440 avio_wb32(pb, 0); /* size */
441 ffio_wfourcc(pb, "wave");
443 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
444 avio_wb32(pb, 12); /* size */
445 ffio_wfourcc(pb, "frma");
446 avio_wl32(pb, track->tag);
449 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
450 /* useless atom needed by mplayer, ipod, not needed by quicktime */
451 avio_wb32(pb, 12); /* size */
452 ffio_wfourcc(pb, "mp4a");
454 mov_write_esds_tag(pb, track);
455 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
456 mov_write_enda_tag(pb);
457 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
458 mov_write_enda_tag_be(pb);
459 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
460 mov_write_amr_tag(pb, track);
461 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
462 mov_write_ac3_tag(pb, track);
463 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
464 track->enc->codec_id == AV_CODEC_ID_QDM2) {
465 mov_write_extradata_tag(pb, track);
466 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
467 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
468 mov_write_ms_tag(pb, track);
471 avio_wb32(pb, 8); /* size */
472 avio_wb32(pb, 0); /* null tag */
474 return update_size(pb, pos);
477 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
480 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
481 int unescaped_size, seq_found = 0;
482 int level = 0, interlace = 0;
483 int packet_seq = track->vc1_info.packet_seq;
484 int packet_entry = track->vc1_info.packet_entry;
485 int slices = track->vc1_info.slices;
488 if (track->start_dts == AV_NOPTS_VALUE) {
489 /* No packets written yet, vc1_info isn't authoritative yet. */
490 /* Assume inline sequence and entry headers. This will be
491 * overwritten at the end if the file is seekable. */
492 packet_seq = packet_entry = 1;
495 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
497 return AVERROR(ENOMEM);
498 start = find_next_marker(track->vos_data, end);
499 for (next = start; next < end; start = next) {
502 next = find_next_marker(start + 4, end);
503 size = next - start - 4;
506 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
507 init_get_bits(&gb, unescaped, 8 * unescaped_size);
508 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
509 int profile = get_bits(&gb, 2);
510 if (profile != PROFILE_ADVANCED) {
512 return AVERROR(ENOSYS);
515 level = get_bits(&gb, 3);
516 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
518 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
519 skip_bits(&gb, 1); /* broadcast */
520 interlace = get_bits1(&gb);
521 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
526 return AVERROR(ENOSYS);
529 init_put_bits(&pbc, buf, 7);
530 /* VC1DecSpecStruc */
531 put_bits(&pbc, 4, 12); /* profile - advanced */
532 put_bits(&pbc, 3, level);
533 put_bits(&pbc, 1, 0); /* reserved */
534 /* VC1AdvDecSpecStruc */
535 put_bits(&pbc, 3, level);
536 put_bits(&pbc, 1, 0); /* cbr */
537 put_bits(&pbc, 6, 0); /* reserved */
538 put_bits(&pbc, 1, !interlace); /* no interlace */
539 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
540 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
541 put_bits(&pbc, 1, !slices); /* no slice code */
542 put_bits(&pbc, 1, 0); /* no bframe */
543 put_bits(&pbc, 1, 0); /* reserved */
544 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
545 flush_put_bits(&pbc);
552 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
554 uint8_t buf[7] = { 0 };
557 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
560 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
561 ffio_wfourcc(pb, "dvc1");
562 track->vc1_info.struct_offset = avio_tell(pb);
563 avio_write(pb, buf, sizeof(buf));
564 avio_write(pb, track->vos_data, track->vos_len);
569 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
571 avio_wb32(pb, track->vos_len + 8);
572 ffio_wfourcc(pb, "glbl");
573 avio_write(pb, track->vos_data, track->vos_len);
574 return 8 + track->vos_len;
578 * Compute flags for 'lpcm' tag.
579 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
581 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
584 case AV_CODEC_ID_PCM_F32BE:
585 case AV_CODEC_ID_PCM_F64BE:
587 case AV_CODEC_ID_PCM_F32LE:
588 case AV_CODEC_ID_PCM_F64LE:
590 case AV_CODEC_ID_PCM_U8:
592 case AV_CODEC_ID_PCM_S16BE:
593 case AV_CODEC_ID_PCM_S24BE:
594 case AV_CODEC_ID_PCM_S32BE:
596 case AV_CODEC_ID_PCM_S8:
597 case AV_CODEC_ID_PCM_S16LE:
598 case AV_CODEC_ID_PCM_S24LE:
599 case AV_CODEC_ID_PCM_S32LE:
606 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
610 if (cluster_idx >= track->entry)
613 if (cluster_idx + 1 == track->entry)
614 next_dts = track->track_duration + track->start_dts;
616 next_dts = track->cluster[cluster_idx + 1].dts;
618 return next_dts - track->cluster[cluster_idx].dts;
621 static int get_samples_per_packet(MOVTrack *track)
623 int i, first_duration;
625 // return track->enc->frame_size;
627 /* use 1 for raw PCM */
628 if (!track->audio_vbr)
631 /* check to see if duration is constant for all clusters */
634 first_duration = get_cluster_duration(track, 0);
635 for (i = 1; i < track->entry; i++) {
636 if (get_cluster_duration(track, i) != first_duration)
639 return first_duration;
642 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
644 int64_t pos = avio_tell(pb);
646 uint32_t tag = track->tag;
648 if (track->mode == MODE_MOV) {
649 if (track->timescale > UINT16_MAX) {
650 if (mov_get_lpcm_flags(track->enc->codec_id))
651 tag = AV_RL32("lpcm");
653 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
654 mov_pcm_be_gt16(track->enc->codec_id) ||
655 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
656 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
657 track->enc->codec_id == AV_CODEC_ID_QDM2) {
662 avio_wb32(pb, 0); /* size */
663 avio_wl32(pb, tag); // store it byteswapped
664 avio_wb32(pb, 0); /* Reserved */
665 avio_wb16(pb, 0); /* Reserved */
666 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
668 /* SoundDescription */
669 avio_wb16(pb, version); /* Version */
670 avio_wb16(pb, 0); /* Revision level */
671 avio_wb32(pb, 0); /* Reserved */
676 avio_wb16(pb, 0xfffe);
678 avio_wb32(pb, 0x00010000);
680 avio_wb64(pb, av_double2int(track->enc->sample_rate));
681 avio_wb32(pb, track->enc->channels);
682 avio_wb32(pb, 0x7F000000);
683 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
684 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
685 avio_wb32(pb, track->sample_size);
686 avio_wb32(pb, get_samples_per_packet(track));
688 if (track->mode == MODE_MOV) {
689 avio_wb16(pb, track->enc->channels);
690 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
691 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
692 avio_wb16(pb, 8); /* bits per sample */
695 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
696 } else { /* reserved for mp4/3gp */
702 avio_wb16(pb, 0); /* packet size (= 0) */
703 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
704 track->enc->sample_rate : 0);
705 avio_wb16(pb, 0); /* Reserved */
708 if (version == 1) { /* SoundDescription V1 extended info */
709 if (mov_pcm_le_gt16(track->enc->codec_id) ||
710 mov_pcm_be_gt16(track->enc->codec_id))
711 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
713 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
714 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
715 avio_wb32(pb, track->sample_size); /* Bytes per frame */
716 avio_wb32(pb, 2); /* Bytes per sample */
719 if (track->mode == MODE_MOV &&
720 (track->enc->codec_id == AV_CODEC_ID_AAC ||
721 track->enc->codec_id == AV_CODEC_ID_AC3 ||
722 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
723 track->enc->codec_id == AV_CODEC_ID_ALAC ||
724 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
725 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
726 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
727 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
728 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
729 mov_write_wave_tag(pb, track);
730 else if (track->tag == MKTAG('m','p','4','a'))
731 mov_write_esds_tag(pb, track);
732 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
733 mov_write_amr_tag(pb, track);
734 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
735 mov_write_ac3_tag(pb, track);
736 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
737 mov_write_extradata_tag(pb, track);
738 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
739 mov_write_wfex_tag(pb, track);
740 else if (track->vos_len > 0)
741 mov_write_glbl_tag(pb, track);
743 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
744 mov_write_chan_tag(pb, track);
746 return update_size(pb, pos);
749 static int mov_write_d263_tag(AVIOContext *pb)
751 avio_wb32(pb, 0xf); /* size */
752 ffio_wfourcc(pb, "d263");
753 ffio_wfourcc(pb, "FFMP");
754 avio_w8(pb, 0); /* decoder version */
755 /* FIXME use AVCodecContext level/profile, when encoder will set values */
756 avio_w8(pb, 0xa); /* level */
757 avio_w8(pb, 0); /* profile */
761 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
763 int64_t pos = avio_tell(pb);
766 ffio_wfourcc(pb, "avcC");
767 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
768 return update_size(pb, pos);
771 /* also used by all avid codecs (dv, imx, meridien) and their variants */
772 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
775 avio_wb32(pb, 24); /* size */
776 ffio_wfourcc(pb, "ACLR");
777 ffio_wfourcc(pb, "ACLR");
778 ffio_wfourcc(pb, "0001");
779 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
780 avio_wb32(pb, 0); /* unknown */
782 avio_wb32(pb, 24); /* size */
783 ffio_wfourcc(pb, "APRG");
784 ffio_wfourcc(pb, "APRG");
785 ffio_wfourcc(pb, "0001");
786 avio_wb32(pb, 1); /* unknown */
787 avio_wb32(pb, 0); /* unknown */
789 avio_wb32(pb, 120); /* size */
790 ffio_wfourcc(pb, "ARES");
791 ffio_wfourcc(pb, "ARES");
792 ffio_wfourcc(pb, "0001");
793 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
794 avio_wb32(pb, track->enc->width);
795 /* values below are based on samples created with quicktime and avid codecs */
796 if (track->vos_data[5] & 2) { // interlaced
797 avio_wb32(pb, track->enc->height / 2);
798 avio_wb32(pb, 2); /* unknown */
799 avio_wb32(pb, 0); /* unknown */
800 avio_wb32(pb, 4); /* unknown */
802 avio_wb32(pb, track->enc->height);
803 avio_wb32(pb, 1); /* unknown */
804 avio_wb32(pb, 0); /* unknown */
805 if (track->enc->height == 1080)
806 avio_wb32(pb, 5); /* unknown */
808 avio_wb32(pb, 6); /* unknown */
811 for (i = 0; i < 10; i++)
814 /* extra padding for stsd needed */
819 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
821 int tag = track->enc->codec_tag;
823 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
826 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
827 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
828 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
829 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
830 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
831 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
832 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
837 static const AVCodecTag codec_ipod_tags[] = {
838 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
839 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
840 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
841 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
842 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
843 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
844 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
845 { AV_CODEC_ID_NONE, 0 },
848 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
850 int tag = track->enc->codec_tag;
852 // keep original tag for subs, ipod supports both formats
853 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
854 (tag == MKTAG('t', 'x', '3', 'g') ||
855 tag == MKTAG('t', 'e', 'x', 't'))))
856 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
858 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
859 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
860 "Quicktime/Ipod might not play the file\n");
865 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
869 if (track->enc->width == 720) { /* SD */
870 if (track->enc->height == 480) { /* NTSC */
871 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
872 else tag = MKTAG('d','v','c',' ');
873 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
874 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
875 else tag = MKTAG('d','v','p','p');
876 } else if (track->enc->height == 720) { /* HD 720 line */
877 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
878 else tag = MKTAG('d','v','h','p');
879 } else if (track->enc->height == 1080) { /* HD 1080 line */
880 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
881 else tag = MKTAG('d','v','h','6');
883 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
890 static const struct {
891 enum AVPixelFormat pix_fmt;
894 } mov_pix_fmt_tags[] = {
895 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
896 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
897 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
898 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
899 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
900 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
901 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
902 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
903 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
904 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
905 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
906 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
907 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
908 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
909 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
912 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
914 int tag = track->enc->codec_tag;
917 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
918 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
919 tag = mov_pix_fmt_tags[i].tag;
920 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
921 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
929 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
931 int tag = track->enc->codec_tag;
933 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
934 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
935 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
936 track->enc->codec_id == AV_CODEC_ID_H263 ||
937 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
938 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
939 tag = mov_get_dv_codec_tag(s, track);
940 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
941 tag = mov_get_rawvideo_codec_tag(s, track);
942 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
943 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
944 if (!tag) { // if no mac fcc found, try with Microsoft tags
945 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
947 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
948 "the file may be unplayable!\n");
950 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
951 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
952 if (!tag) { // if no mac fcc found, try with Microsoft tags
953 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
955 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
956 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
957 "the file may be unplayable!\n");
960 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
961 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
967 static const AVCodecTag codec_3gp_tags[] = {
968 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
969 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
970 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
971 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
972 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
973 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
974 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
975 { AV_CODEC_ID_NONE, 0 },
978 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
979 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
980 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
981 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
982 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
983 { AV_CODEC_ID_NONE, 0 },
986 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
990 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
991 tag = mp4_get_codec_tag(s, track);
992 else if (track->mode == MODE_ISM) {
993 tag = mp4_get_codec_tag(s, track);
994 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
995 tag = MKTAG('w', 'm', 'a', ' ');
996 } else if (track->mode == MODE_IPOD)
997 tag = ipod_get_codec_tag(s, track);
998 else if (track->mode & MODE_3GP)
999 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1000 else if (track->mode & MODE_F4V)
1001 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1003 tag = mov_get_codec_tag(s, track);
1008 /** Write uuid atom.
1009 * Needed to make file play in iPods running newest firmware
1010 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1012 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1015 ffio_wfourcc(pb, "uuid");
1016 avio_wb32(pb, 0x6b6840f2);
1017 avio_wb32(pb, 0x5f244fc5);
1018 avio_wb32(pb, 0xba39a51b);
1019 avio_wb32(pb, 0xcf0323f3);
1024 static const uint16_t fiel_data[] = {
1025 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1028 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1030 unsigned mov_field_order = 0;
1031 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1032 mov_field_order = fiel_data[track->enc->field_order];
1036 ffio_wfourcc(pb, "fiel");
1037 avio_wb16(pb, mov_field_order);
1041 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1043 int64_t pos = avio_tell(pb);
1044 avio_wb32(pb, 0); /* size */
1045 avio_wl32(pb, track->tag); // store it byteswapped
1046 avio_wb32(pb, 0); /* Reserved */
1047 avio_wb16(pb, 0); /* Reserved */
1048 avio_wb16(pb, 1); /* Data-reference index */
1050 if (track->enc->extradata_size)
1051 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1053 return update_size(pb, pos);
1056 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1059 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1060 track->enc->sample_aspect_ratio.den, INT_MAX);
1063 ffio_wfourcc(pb, "pasp");
1064 avio_wb32(pb, sar.num);
1065 avio_wb32(pb, sar.den);
1069 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1071 int64_t pos = avio_tell(pb);
1072 char compressor_name[32] = { 0 };
1074 avio_wb32(pb, 0); /* size */
1075 avio_wl32(pb, track->tag); // store it byteswapped
1076 avio_wb32(pb, 0); /* Reserved */
1077 avio_wb16(pb, 0); /* Reserved */
1078 avio_wb16(pb, 1); /* Data-reference index */
1080 avio_wb16(pb, 0); /* Codec stream version */
1081 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1082 if (track->mode == MODE_MOV) {
1083 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1084 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1085 avio_wb32(pb, 0); /* Temporal Quality */
1086 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1088 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1089 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1092 avio_wb32(pb, 0); /* Reserved */
1093 avio_wb32(pb, 0); /* Reserved */
1094 avio_wb32(pb, 0); /* Reserved */
1096 avio_wb16(pb, track->enc->width); /* Video width */
1097 avio_wb16(pb, track->height); /* Video height */
1098 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1099 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1100 avio_wb32(pb, 0); /* Data size (= 0) */
1101 avio_wb16(pb, 1); /* Frame count (= 1) */
1103 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1104 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1105 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1106 avio_w8(pb, strlen(compressor_name));
1107 avio_write(pb, compressor_name, 31);
1109 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1110 avio_wb16(pb, track->enc->bits_per_coded_sample);
1112 avio_wb16(pb, 0x18); /* Reserved */
1113 avio_wb16(pb, 0xffff); /* Reserved */
1114 if (track->tag == MKTAG('m','p','4','v'))
1115 mov_write_esds_tag(pb, track);
1116 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1117 mov_write_d263_tag(pb);
1118 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1119 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1120 mov_write_extradata_tag(pb, track);
1122 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1123 mov_write_avid_tag(pb, track);
1124 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1125 mov_write_avcc_tag(pb, track);
1126 if (track->mode == MODE_IPOD)
1127 mov_write_uuid_tag_ipod(pb);
1128 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1129 mov_write_dvc1_tag(pb, track);
1130 else if (track->vos_len > 0)
1131 mov_write_glbl_tag(pb, track);
1133 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1134 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1135 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1136 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1137 mov_write_fiel_tag(pb, track);
1139 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1140 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1141 mov_write_pasp_tag(pb, track);
1144 return update_size(pb, pos);
1147 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1149 int64_t pos = avio_tell(pb);
1150 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1151 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1153 if (nb_frames > 255) {
1154 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1155 return AVERROR(EINVAL);
1158 avio_wb32(pb, 0); /* size */
1159 ffio_wfourcc(pb, "tmcd"); /* Data format */
1160 avio_wb32(pb, 0); /* Reserved */
1161 avio_wb32(pb, 1); /* Data reference index */
1162 avio_wb32(pb, 0); /* Flags */
1163 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1164 avio_wb32(pb, track->timescale); /* Timescale */
1165 avio_wb32(pb, frame_duration); /* Frame duration */
1166 avio_w8(pb, nb_frames); /* Number of frames */
1167 avio_wb24(pb, 0); /* Reserved */
1168 /* TODO: source reference string */
1169 return update_size(pb, pos);
1172 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1174 int64_t pos = avio_tell(pb);
1175 avio_wb32(pb, 0); /* size */
1176 ffio_wfourcc(pb, "rtp ");
1177 avio_wb32(pb, 0); /* Reserved */
1178 avio_wb16(pb, 0); /* Reserved */
1179 avio_wb16(pb, 1); /* Data-reference index */
1181 avio_wb16(pb, 1); /* Hint track version */
1182 avio_wb16(pb, 1); /* Highest compatible version */
1183 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1185 avio_wb32(pb, 12); /* size */
1186 ffio_wfourcc(pb, "tims");
1187 avio_wb32(pb, track->timescale);
1189 return update_size(pb, pos);
1192 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1194 int64_t pos = avio_tell(pb);
1195 avio_wb32(pb, 0); /* size */
1196 ffio_wfourcc(pb, "stsd");
1197 avio_wb32(pb, 0); /* version & flags */
1198 avio_wb32(pb, 1); /* entry count */
1199 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1200 mov_write_video_tag(pb, track);
1201 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1202 mov_write_audio_tag(pb, track);
1203 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1204 mov_write_subtitle_tag(pb, track);
1205 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1206 mov_write_rtp_tag(pb, track);
1207 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1208 mov_write_tmcd_tag(pb, track);
1209 return update_size(pb, pos);
1212 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1214 MOVStts *ctts_entries;
1215 uint32_t entries = 0;
1219 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1220 ctts_entries[0].count = 1;
1221 ctts_entries[0].duration = track->cluster[0].cts;
1222 for (i = 1; i < track->entry; i++) {
1223 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1224 ctts_entries[entries].count++; /* compress */
1227 ctts_entries[entries].duration = track->cluster[i].cts;
1228 ctts_entries[entries].count = 1;
1231 entries++; /* last one */
1232 atom_size = 16 + (entries * 8);
1233 avio_wb32(pb, atom_size); /* size */
1234 ffio_wfourcc(pb, "ctts");
1235 avio_wb32(pb, 0); /* version & flags */
1236 avio_wb32(pb, entries); /* entry count */
1237 for (i = 0; i < entries; i++) {
1238 avio_wb32(pb, ctts_entries[i].count);
1239 avio_wb32(pb, ctts_entries[i].duration);
1241 av_free(ctts_entries);
1245 /* Time to sample atom */
1246 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1248 MOVStts *stts_entries;
1249 uint32_t entries = -1;
1253 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1254 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1255 stts_entries[0].count = track->sample_count;
1256 stts_entries[0].duration = 1;
1259 stts_entries = track->entry ?
1260 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1262 for (i = 0; i < track->entry; i++) {
1263 int duration = get_cluster_duration(track, i);
1264 if (i && duration == stts_entries[entries].duration) {
1265 stts_entries[entries].count++; /* compress */
1268 stts_entries[entries].duration = duration;
1269 stts_entries[entries].count = 1;
1272 entries++; /* last one */
1274 atom_size = 16 + (entries * 8);
1275 avio_wb32(pb, atom_size); /* size */
1276 ffio_wfourcc(pb, "stts");
1277 avio_wb32(pb, 0); /* version & flags */
1278 avio_wb32(pb, entries); /* entry count */
1279 for (i = 0; i < entries; i++) {
1280 avio_wb32(pb, stts_entries[i].count);
1281 avio_wb32(pb, stts_entries[i].duration);
1283 av_free(stts_entries);
1287 static int mov_write_dref_tag(AVIOContext *pb)
1289 avio_wb32(pb, 28); /* size */
1290 ffio_wfourcc(pb, "dref");
1291 avio_wb32(pb, 0); /* version & flags */
1292 avio_wb32(pb, 1); /* entry count */
1294 avio_wb32(pb, 0xc); /* size */
1295 //FIXME add the alis and rsrc atom
1296 ffio_wfourcc(pb, "url ");
1297 avio_wb32(pb, 1); /* version & flags */
1302 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1304 int64_t pos = avio_tell(pb);
1305 avio_wb32(pb, 0); /* size */
1306 ffio_wfourcc(pb, "stbl");
1307 mov_write_stsd_tag(pb, track);
1308 mov_write_stts_tag(pb, track);
1309 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1310 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1311 track->has_keyframes && track->has_keyframes < track->entry)
1312 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1313 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1314 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1315 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1316 track->flags & MOV_TRACK_CTTS)
1317 mov_write_ctts_tag(pb, track);
1318 mov_write_stsc_tag(pb, track);
1319 mov_write_stsz_tag(pb, track);
1320 mov_write_stco_tag(pb, track);
1321 return update_size(pb, pos);
1324 static int mov_write_dinf_tag(AVIOContext *pb)
1326 int64_t pos = avio_tell(pb);
1327 avio_wb32(pb, 0); /* size */
1328 ffio_wfourcc(pb, "dinf");
1329 mov_write_dref_tag(pb);
1330 return update_size(pb, pos);
1333 static int mov_write_nmhd_tag(AVIOContext *pb)
1336 ffio_wfourcc(pb, "nmhd");
1341 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1343 int64_t pos = avio_tell(pb);
1344 const char *font = "Lucida Grande";
1345 avio_wb32(pb, 0); /* size */
1346 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1347 avio_wb32(pb, 0); /* version & flags */
1348 avio_wb16(pb, 0); /* text font */
1349 avio_wb16(pb, 0); /* text face */
1350 avio_wb16(pb, 12); /* text size */
1351 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1352 avio_wb16(pb, 0x0000); /* text color (red) */
1353 avio_wb16(pb, 0x0000); /* text color (green) */
1354 avio_wb16(pb, 0x0000); /* text color (blue) */
1355 avio_wb16(pb, 0xffff); /* background color (red) */
1356 avio_wb16(pb, 0xffff); /* background color (green) */
1357 avio_wb16(pb, 0xffff); /* background color (blue) */
1358 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1359 avio_write(pb, font, strlen(font)); /* font name */
1360 return update_size(pb, pos);
1363 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1365 int64_t pos = avio_tell(pb);
1366 avio_wb32(pb, 0); /* size */
1367 ffio_wfourcc(pb, "gmhd");
1368 avio_wb32(pb, 0x18); /* gmin size */
1369 ffio_wfourcc(pb, "gmin");/* generic media info */
1370 avio_wb32(pb, 0); /* version & flags */
1371 avio_wb16(pb, 0x40); /* graphics mode = */
1372 avio_wb16(pb, 0x8000); /* opColor (r?) */
1373 avio_wb16(pb, 0x8000); /* opColor (g?) */
1374 avio_wb16(pb, 0x8000); /* opColor (b?) */
1375 avio_wb16(pb, 0); /* balance */
1376 avio_wb16(pb, 0); /* reserved */
1379 * This special text atom is required for
1380 * Apple Quicktime chapters. The contents
1381 * don't appear to be documented, so the
1382 * bytes are copied verbatim.
1384 if (track->tag != MKTAG('c','6','0','8')) {
1385 avio_wb32(pb, 0x2C); /* size */
1386 ffio_wfourcc(pb, "text");
1387 avio_wb16(pb, 0x01);
1388 avio_wb32(pb, 0x00);
1389 avio_wb32(pb, 0x00);
1390 avio_wb32(pb, 0x00);
1391 avio_wb32(pb, 0x01);
1392 avio_wb32(pb, 0x00);
1393 avio_wb32(pb, 0x00);
1394 avio_wb32(pb, 0x00);
1395 avio_wb32(pb, 0x00004000);
1396 avio_wb16(pb, 0x0000);
1399 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1400 int64_t tmcd_pos = avio_tell(pb);
1401 avio_wb32(pb, 0); /* size */
1402 ffio_wfourcc(pb, "tmcd");
1403 mov_write_tcmi_tag(pb, track);
1404 update_size(pb, tmcd_pos);
1406 return update_size(pb, pos);
1409 static int mov_write_smhd_tag(AVIOContext *pb)
1411 avio_wb32(pb, 16); /* size */
1412 ffio_wfourcc(pb, "smhd");
1413 avio_wb32(pb, 0); /* version & flags */
1414 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1415 avio_wb16(pb, 0); /* reserved */
1419 static int mov_write_vmhd_tag(AVIOContext *pb)
1421 avio_wb32(pb, 0x14); /* size (always 0x14) */
1422 ffio_wfourcc(pb, "vmhd");
1423 avio_wb32(pb, 0x01); /* version & flags */
1424 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1428 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1430 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1431 int64_t pos = avio_tell(pb);
1433 if (!track) { /* no media --> data handler */
1436 descr = "DataHandler";
1438 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1439 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1441 descr = "VideoHandler";
1442 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1444 descr = "SoundHandler";
1445 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1446 if (track->tag == MKTAG('c','6','0','8')) {
1448 descr = "ClosedCaptionHandler";
1450 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1451 else hdlr_type = "text";
1452 descr = "SubtitleHandler";
1454 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1456 descr = "TimeCodeHandler";
1457 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1459 descr = "HintHandler";
1463 descr = "DataHandler";
1467 avio_wb32(pb, 0); /* size */
1468 ffio_wfourcc(pb, "hdlr");
1469 avio_wb32(pb, 0); /* Version & flags */
1470 avio_write(pb, hdlr, 4); /* handler */
1471 ffio_wfourcc(pb, hdlr_type); /* handler type */
1472 avio_wb32(pb, 0); /* reserved */
1473 avio_wb32(pb, 0); /* reserved */
1474 avio_wb32(pb, 0); /* reserved */
1475 if (!track || track->mode == MODE_MOV)
1476 avio_w8(pb, strlen(descr)); /* pascal string */
1477 avio_write(pb, descr, strlen(descr)); /* handler description */
1478 if (track && track->mode != MODE_MOV)
1479 avio_w8(pb, 0); /* c string */
1480 return update_size(pb, pos);
1483 static int mov_write_hmhd_tag(AVIOContext *pb)
1485 /* This atom must be present, but leaving the values at zero
1486 * seems harmless. */
1487 avio_wb32(pb, 28); /* size */
1488 ffio_wfourcc(pb, "hmhd");
1489 avio_wb32(pb, 0); /* version, flags */
1490 avio_wb16(pb, 0); /* maxPDUsize */
1491 avio_wb16(pb, 0); /* avgPDUsize */
1492 avio_wb32(pb, 0); /* maxbitrate */
1493 avio_wb32(pb, 0); /* avgbitrate */
1494 avio_wb32(pb, 0); /* reserved */
1498 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1500 int64_t pos = avio_tell(pb);
1501 avio_wb32(pb, 0); /* size */
1502 ffio_wfourcc(pb, "minf");
1503 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1504 mov_write_vmhd_tag(pb);
1505 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1506 mov_write_smhd_tag(pb);
1507 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1508 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1509 mov_write_gmhd_tag(pb, track);
1511 mov_write_nmhd_tag(pb);
1513 } else if (track->tag == MKTAG('t','m','c','d')) {
1514 mov_write_gmhd_tag(pb, track);
1515 } else if (track->tag == MKTAG('r','t','p',' ')) {
1516 mov_write_hmhd_tag(pb);
1518 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1519 mov_write_hdlr_tag(pb, NULL);
1520 mov_write_dinf_tag(pb);
1521 mov_write_stbl_tag(pb, track);
1522 return update_size(pb, pos);
1525 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1527 int version = track->track_duration < INT32_MAX ? 0 : 1;
1529 if (track->mode == MODE_ISM)
1532 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1533 ffio_wfourcc(pb, "mdhd");
1534 avio_w8(pb, version);
1535 avio_wb24(pb, 0); /* flags */
1537 avio_wb64(pb, track->time);
1538 avio_wb64(pb, track->time);
1540 avio_wb32(pb, track->time); /* creation time */
1541 avio_wb32(pb, track->time); /* modification time */
1543 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1545 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1547 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1548 avio_wb16(pb, track->language); /* language */
1549 avio_wb16(pb, 0); /* reserved (quality) */
1551 if (version != 0 && track->mode == MODE_MOV) {
1552 av_log(NULL, AV_LOG_ERROR,
1553 "FATAL error, file duration too long for timebase, this file will not be\n"
1554 "playable with quicktime. Choose a different timebase or a different\n"
1555 "container format\n");
1561 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1563 int64_t pos = avio_tell(pb);
1564 avio_wb32(pb, 0); /* size */
1565 ffio_wfourcc(pb, "mdia");
1566 mov_write_mdhd_tag(pb, track);
1567 mov_write_hdlr_tag(pb, track);
1568 mov_write_minf_tag(pb, track);
1569 return update_size(pb, pos);
1572 /* transformation matrix
1576 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1577 int16_t d, int16_t tx, int16_t ty)
1579 avio_wb32(pb, a << 16); /* 16.16 format */
1580 avio_wb32(pb, b << 16); /* 16.16 format */
1581 avio_wb32(pb, 0); /* u in 2.30 format */
1582 avio_wb32(pb, c << 16); /* 16.16 format */
1583 avio_wb32(pb, d << 16); /* 16.16 format */
1584 avio_wb32(pb, 0); /* v in 2.30 format */
1585 avio_wb32(pb, tx << 16); /* 16.16 format */
1586 avio_wb32(pb, ty << 16); /* 16.16 format */
1587 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1590 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1592 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1593 track->timescale, AV_ROUND_UP);
1594 int version = duration < INT32_MAX ? 0 : 1;
1597 if (track->mode == MODE_ISM)
1600 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1601 ffio_wfourcc(pb, "tkhd");
1602 avio_w8(pb, version);
1603 avio_wb24(pb, track->secondary ? 0x2 : 0xf); /* flags (first track enabled) */
1605 avio_wb64(pb, track->time);
1606 avio_wb64(pb, track->time);
1608 avio_wb32(pb, track->time); /* creation time */
1609 avio_wb32(pb, track->time); /* modification time */
1611 avio_wb32(pb, track->track_id); /* track-id */
1612 avio_wb32(pb, 0); /* reserved */
1614 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1616 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1618 avio_wb32(pb, 0); /* reserved */
1619 avio_wb32(pb, 0); /* reserved */
1620 avio_wb16(pb, 0); /* layer */
1621 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1622 /* Volume, only for audio */
1623 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1624 avio_wb16(pb, 0x0100);
1627 avio_wb16(pb, 0); /* reserved */
1629 /* Matrix structure */
1630 if (st && st->metadata) {
1631 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1632 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1634 if (rotation == 90) {
1635 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1636 } else if (rotation == 180) {
1637 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1638 } else if (rotation == 270) {
1639 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1641 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1643 /* Track width and height, for visual only */
1644 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1645 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1646 if (track->mode == MODE_MOV) {
1647 avio_wb32(pb, track->enc->width << 16);
1648 avio_wb32(pb, track->height << 16);
1650 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1651 if (!sample_aspect_ratio || track->height != track->enc->height)
1652 sample_aspect_ratio = 1;
1653 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1654 avio_wb32(pb, track->height * 0x10000);
1663 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1665 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1666 track->enc->sample_aspect_ratio.den);
1668 int64_t pos = avio_tell(pb);
1670 avio_wb32(pb, 0); /* size */
1671 ffio_wfourcc(pb, "tapt");
1674 ffio_wfourcc(pb, "clef");
1676 avio_wb32(pb, width << 16);
1677 avio_wb32(pb, track->enc->height << 16);
1680 ffio_wfourcc(pb, "prof");
1682 avio_wb32(pb, width << 16);
1683 avio_wb32(pb, track->enc->height << 16);
1686 ffio_wfourcc(pb, "enof");
1688 avio_wb32(pb, track->enc->width << 16);
1689 avio_wb32(pb, track->enc->height << 16);
1691 return update_size(pb, pos);
1694 // This box seems important for the psp playback ... without it the movie seems to hang
1695 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1697 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1698 track->timescale, AV_ROUND_UP);
1699 int version = duration < INT32_MAX ? 0 : 1;
1700 int entry_size, entry_count, size;
1701 int64_t delay, start_ct = track->cluster[0].cts;
1702 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1703 track->timescale, AV_ROUND_DOWN);
1704 version |= delay < INT32_MAX ? 0 : 1;
1706 entry_size = (version == 1) ? 20 : 12;
1707 entry_count = 1 + (delay > 0);
1708 size = 24 + entry_count * entry_size;
1710 /* write the atom data */
1711 avio_wb32(pb, size);
1712 ffio_wfourcc(pb, "edts");
1713 avio_wb32(pb, size - 8);
1714 ffio_wfourcc(pb, "elst");
1715 avio_w8(pb, version);
1716 avio_wb24(pb, 0); /* flags */
1718 avio_wb32(pb, entry_count);
1719 if (delay > 0) { /* add an empty edit to delay presentation */
1721 avio_wb64(pb, delay);
1724 avio_wb32(pb, delay);
1727 avio_wb32(pb, 0x00010000);
1729 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1730 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1736 avio_wb64(pb, duration);
1737 avio_wb64(pb, start_ct);
1739 avio_wb32(pb, duration);
1740 avio_wb32(pb, start_ct);
1742 avio_wb32(pb, 0x00010000);
1746 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1748 avio_wb32(pb, 20); // size
1749 ffio_wfourcc(pb, "tref");
1750 avio_wb32(pb, 12); // size (subatom)
1751 avio_wl32(pb, track->tref_tag);
1752 avio_wb32(pb, track->tref_id);
1756 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1757 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1759 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1760 ffio_wfourcc(pb, "uuid");
1761 ffio_wfourcc(pb, "USMT");
1762 avio_wb32(pb, 0x21d24fce);
1763 avio_wb32(pb, 0xbb88695c);
1764 avio_wb32(pb, 0xfac9c740);
1765 avio_wb32(pb, 0x1c); // another size here!
1766 ffio_wfourcc(pb, "MTDT");
1767 avio_wb32(pb, 0x00010012);
1768 avio_wb32(pb, 0x0a);
1769 avio_wb32(pb, 0x55c40000);
1775 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1777 AVFormatContext *ctx = track->rtp_ctx;
1778 char buf[1000] = "";
1781 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1782 NULL, NULL, 0, 0, ctx);
1783 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1786 avio_wb32(pb, len + 24);
1787 ffio_wfourcc(pb, "udta");
1788 avio_wb32(pb, len + 16);
1789 ffio_wfourcc(pb, "hnti");
1790 avio_wb32(pb, len + 8);
1791 ffio_wfourcc(pb, "sdp ");
1792 avio_write(pb, buf, len);
1796 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1797 MOVTrack *track, AVStream *st)
1799 int64_t pos = avio_tell(pb);
1800 avio_wb32(pb, 0); /* size */
1801 ffio_wfourcc(pb, "trak");
1802 mov_write_tkhd_tag(pb, track, st);
1803 if (supports_edts(mov))
1804 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1805 if (track->tref_tag)
1806 mov_write_tref_tag(pb, track);
1807 mov_write_mdia_tag(pb, track);
1808 if (track->mode == MODE_PSP)
1809 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1810 if (track->tag == MKTAG('r','t','p',' '))
1811 mov_write_udta_sdp(pb, track);
1812 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1813 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1814 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1815 mov_write_tapt_tag(pb, track);
1817 return update_size(pb, pos);
1820 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1822 int i, has_audio = 0, has_video = 0;
1823 int64_t pos = avio_tell(pb);
1824 int audio_profile = mov->iods_audio_profile;
1825 int video_profile = mov->iods_video_profile;
1826 for (i = 0; i < mov->nb_streams; i++) {
1827 if (mov->tracks[i].entry > 0) {
1828 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1829 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1832 if (audio_profile < 0)
1833 audio_profile = 0xFF - has_audio;
1834 if (video_profile < 0)
1835 video_profile = 0xFF - has_video;
1836 avio_wb32(pb, 0x0); /* size */
1837 ffio_wfourcc(pb, "iods");
1838 avio_wb32(pb, 0); /* version & flags */
1839 put_descr(pb, 0x10, 7);
1840 avio_wb16(pb, 0x004f);
1843 avio_w8(pb, audio_profile);
1844 avio_w8(pb, video_profile);
1846 return update_size(pb, pos);
1849 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1851 avio_wb32(pb, 0x20); /* size */
1852 ffio_wfourcc(pb, "trex");
1853 avio_wb32(pb, 0); /* version & flags */
1854 avio_wb32(pb, track->track_id); /* track ID */
1855 avio_wb32(pb, 1); /* default sample description index */
1856 avio_wb32(pb, 0); /* default sample duration */
1857 avio_wb32(pb, 0); /* default sample size */
1858 avio_wb32(pb, 0); /* default sample flags */
1862 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1864 int64_t pos = avio_tell(pb);
1866 avio_wb32(pb, 0x0); /* size */
1867 ffio_wfourcc(pb, "mvex");
1868 for (i = 0; i < mov->nb_streams; i++)
1869 mov_write_trex_tag(pb, &mov->tracks[i]);
1870 return update_size(pb, pos);
1873 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1875 int max_track_id = 1, i;
1876 int64_t max_track_len_temp, max_track_len = 0;
1879 for (i = 0; i < mov->nb_streams; i++) {
1880 if (mov->tracks[i].entry > 0) {
1881 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1883 mov->tracks[i].timescale,
1885 if (max_track_len < max_track_len_temp)
1886 max_track_len = max_track_len_temp;
1887 if (max_track_id < mov->tracks[i].track_id)
1888 max_track_id = mov->tracks[i].track_id;
1892 version = max_track_len < UINT32_MAX ? 0 : 1;
1893 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1894 ffio_wfourcc(pb, "mvhd");
1895 avio_w8(pb, version);
1896 avio_wb24(pb, 0); /* flags */
1898 avio_wb64(pb, mov->time);
1899 avio_wb64(pb, mov->time);
1901 avio_wb32(pb, mov->time); /* creation time */
1902 avio_wb32(pb, mov->time); /* modification time */
1904 avio_wb32(pb, MOV_TIMESCALE);
1905 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1907 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1908 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1909 avio_wb16(pb, 0); /* reserved */
1910 avio_wb32(pb, 0); /* reserved */
1911 avio_wb32(pb, 0); /* reserved */
1913 /* Matrix structure */
1914 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1916 avio_wb32(pb, 0); /* reserved (preview time) */
1917 avio_wb32(pb, 0); /* reserved (preview duration) */
1918 avio_wb32(pb, 0); /* reserved (poster time) */
1919 avio_wb32(pb, 0); /* reserved (selection time) */
1920 avio_wb32(pb, 0); /* reserved (selection duration) */
1921 avio_wb32(pb, 0); /* reserved (current time) */
1922 avio_wb32(pb, max_track_id + 1); /* Next track id */
1926 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1929 avio_wb32(pb, 33); /* size */
1930 ffio_wfourcc(pb, "hdlr");
1933 ffio_wfourcc(pb, "mdir");
1934 ffio_wfourcc(pb, "appl");
1941 /* helper function to write a data tag with the specified string as data */
1942 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1945 int size = 16 + strlen(data);
1946 avio_wb32(pb, size); /* size */
1947 ffio_wfourcc(pb, "data");
1950 avio_write(pb, data, strlen(data));
1954 lang = ff_mov_iso639_to_lang("und", 1);
1955 avio_wb16(pb, strlen(data)); /* string length */
1956 avio_wb16(pb, lang);
1957 avio_write(pb, data, strlen(data));
1958 return strlen(data) + 4;
1962 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1963 const char *value, int lang, int long_style)
1966 if (value && value[0]) {
1967 int64_t pos = avio_tell(pb);
1968 avio_wb32(pb, 0); /* size */
1969 ffio_wfourcc(pb, name);
1970 mov_write_string_data_tag(pb, value, lang, long_style);
1971 size = update_size(pb, pos);
1976 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1977 const char *name, const char *tag,
1980 int l, lang = 0, len, len2;
1981 AVDictionaryEntry *t, *t2 = NULL;
1984 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1987 len = strlen(t->key);
1988 snprintf(tag2, sizeof(tag2), "%s-", tag);
1989 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1990 len2 = strlen(t2->key);
1991 if (len2 == len + 4 && !strcmp(t->value, t2->value)
1992 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
1997 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2000 /* iTunes bpm number */
2001 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2003 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2004 int size = 0, tmpo = t ? atoi(t->value) : 0;
2007 avio_wb32(pb, size);
2008 ffio_wfourcc(pb, "tmpo");
2009 avio_wb32(pb, size-8); /* size */
2010 ffio_wfourcc(pb, "data");
2011 avio_wb32(pb, 0x15); //type specifier
2013 avio_wb16(pb, tmpo); // data
2018 /* iTunes track number */
2019 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2022 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2023 int size = 0, track = t ? atoi(t->value) : 0;
2025 avio_wb32(pb, 32); /* size */
2026 ffio_wfourcc(pb, "trkn");
2027 avio_wb32(pb, 24); /* size */
2028 ffio_wfourcc(pb, "data");
2029 avio_wb32(pb, 0); // 8 bytes empty
2031 avio_wb16(pb, 0); // empty
2032 avio_wb16(pb, track); // track number
2033 avio_wb16(pb, 0); // total track number
2034 avio_wb16(pb, 0); // empty
2040 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2041 const char *name, const char *tag,
2044 AVDictionaryEntry *t = NULL;
2046 int size = 24 + len;
2048 if (len != 1 && len != 4)
2051 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2053 num = atoi(t->value);
2055 avio_wb32(pb, size);
2056 ffio_wfourcc(pb, name);
2057 avio_wb32(pb, size - 8);
2058 ffio_wfourcc(pb, "data");
2059 avio_wb32(pb, 0x15);
2061 if (len==4) avio_wb32(pb, num);
2062 else avio_w8 (pb, num);
2067 /* iTunes meta data list */
2068 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2071 int64_t pos = avio_tell(pb);
2072 avio_wb32(pb, 0); /* size */
2073 ffio_wfourcc(pb, "ilst");
2074 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2075 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2076 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2077 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2078 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2079 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2080 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2081 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2082 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2083 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2084 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2085 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2086 mov_write_string_metadata(s, pb, "desc", "description",1);
2087 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2088 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2089 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2090 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2091 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2092 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2093 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2094 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2095 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2096 mov_write_trkn_tag(pb, mov, s);
2097 mov_write_tmpo_tag(pb, s);
2098 return update_size(pb, pos);
2101 /* iTunes meta data tag */
2102 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2106 int64_t pos = avio_tell(pb);
2107 avio_wb32(pb, 0); /* size */
2108 ffio_wfourcc(pb, "meta");
2110 mov_write_itunes_hdlr_tag(pb, mov, s);
2111 mov_write_ilst_tag(pb, mov, s);
2112 size = update_size(pb, pos);
2116 static int utf8len(const uint8_t *b)
2121 GET_UTF8(val, *b++, return -1;)
2127 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2131 GET_UTF8(val, *b++, return -1;)
2134 avio_wb16(pb, 0x00);
2138 static uint16_t language_code(const char *str)
2140 return (((str[0] - 0x60) & 0x1F) << 10) +
2141 (((str[1] - 0x60) & 0x1F) << 5) +
2142 (( str[2] - 0x60) & 0x1F);
2145 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2146 const char *tag, const char *str)
2148 int64_t pos = avio_tell(pb);
2149 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2150 if (!t || !utf8len(t->value))
2152 avio_wb32(pb, 0); /* size */
2153 ffio_wfourcc(pb, tag); /* type */
2154 avio_wb32(pb, 0); /* version + flags */
2155 if (!strcmp(tag, "yrrc"))
2156 avio_wb16(pb, atoi(t->value));
2158 avio_wb16(pb, language_code("eng")); /* language */
2159 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2160 if (!strcmp(tag, "albm") &&
2161 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2162 avio_w8(pb, atoi(t->value));
2164 return update_size(pb, pos);
2167 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2169 int64_t pos = avio_tell(pb);
2170 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2172 avio_wb32(pb, 0); // size
2173 ffio_wfourcc(pb, "chpl");
2174 avio_wb32(pb, 0x01000000); // version + flags
2175 avio_wb32(pb, 0); // unknown
2176 avio_w8(pb, nb_chapters);
2178 for (i = 0; i < nb_chapters; i++) {
2179 AVChapter *c = s->chapters[i];
2180 AVDictionaryEntry *t;
2181 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2183 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2184 int len = FFMIN(strlen(t->value), 255);
2186 avio_write(pb, t->value, len);
2190 return update_size(pb, pos);
2193 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2196 AVIOContext *pb_buf;
2200 for (i = 0; i < s->nb_streams; i++)
2201 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2205 ret = avio_open_dyn_buf(&pb_buf);
2209 if (mov->mode & MODE_3GP) {
2210 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2211 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2212 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2213 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2214 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2215 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2216 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2217 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2218 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2219 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2220 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2221 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2222 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2223 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2224 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2225 // currently ignored by mov.c
2226 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2227 // add support for libquicktime, this atom is also actually read by mov.c
2228 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2229 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2230 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2232 /* iTunes meta data */
2233 mov_write_meta_tag(pb_buf, mov, s);
2237 mov_write_chpl_tag(pb_buf, s);
2239 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2240 avio_wb32(pb, size + 8);
2241 ffio_wfourcc(pb, "udta");
2242 avio_write(pb, buf, size);
2249 static void mov_write_psp_udta_tag(AVIOContext *pb,
2250 const char *str, const char *lang, int type)
2252 int len = utf8len(str) + 1;
2255 avio_wb16(pb, len * 2 + 10); /* size */
2256 avio_wb32(pb, type); /* type */
2257 avio_wb16(pb, language_code(lang)); /* language */
2258 avio_wb16(pb, 0x01); /* ? */
2259 ascii_to_wc(pb, str);
2262 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2264 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2268 pos = avio_tell(pb);
2269 avio_wb32(pb, 0); /* size placeholder*/
2270 ffio_wfourcc(pb, "uuid");
2271 ffio_wfourcc(pb, "USMT");
2272 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2273 avio_wb32(pb, 0xbb88695c);
2274 avio_wb32(pb, 0xfac9c740);
2276 pos2 = avio_tell(pb);
2277 avio_wb32(pb, 0); /* size placeholder*/
2278 ffio_wfourcc(pb, "MTDT");
2282 avio_wb16(pb, 0x0C); /* size */
2283 avio_wb32(pb, 0x0B); /* type */
2284 avio_wb16(pb, language_code("und")); /* language */
2285 avio_wb16(pb, 0x0); /* ? */
2286 avio_wb16(pb, 0x021C); /* data */
2288 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2289 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2290 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2292 update_size(pb, pos2);
2293 return update_size(pb, pos);
2299 static void build_chunks(MOVTrack *trk)
2302 MOVIentry *chunk = &trk->cluster[0];
2303 uint64_t chunkSize = chunk->size;
2304 chunk->chunkNum = 1;
2305 if (trk->chunkCount)
2307 trk->chunkCount = 1;
2308 for (i = 1; i<trk->entry; i++){
2309 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2310 chunkSize + trk->cluster[i].size < (1<<20)){
2311 chunkSize += trk->cluster[i].size;
2312 chunk->samples_in_chunk += trk->cluster[i].entries;
2314 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2315 chunk=&trk->cluster[i];
2316 chunkSize = chunk->size;
2322 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2326 int64_t pos = avio_tell(pb);
2327 int not_first[AVMEDIA_TYPE_NB]={0};
2328 avio_wb32(pb, 0); /* size placeholder*/
2329 ffio_wfourcc(pb, "moov");
2331 for (i = 0; i < mov->nb_streams; i++) {
2332 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2335 mov->tracks[i].time = mov->time;
2336 mov->tracks[i].track_id = i + 1;
2338 if (mov->tracks[i].entry)
2339 build_chunks(&mov->tracks[i]);
2342 if (mov->chapter_track)
2343 for (i = 0; i < s->nb_streams; i++) {
2344 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2345 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2347 for (i = 0; i < mov->nb_streams; i++) {
2348 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2349 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2350 mov->tracks[i].tref_id =
2351 mov->tracks[mov->tracks[i].src_track].track_id;
2354 for (i = 0; i < mov->nb_streams; i++) {
2355 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2356 int src_trk = mov->tracks[i].src_track;
2357 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2358 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2359 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2363 mov_write_mvhd_tag(pb, mov);
2364 if (mov->mode != MODE_MOV && !mov->iods_skip)
2365 mov_write_iods_tag(pb, mov);
2366 for (i = 0; i < mov->nb_streams; i++) {
2367 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2368 if (i < s->nb_streams){
2369 int codec_type= s->streams[i]->codec->codec_type;
2370 if (codec_type==AVMEDIA_TYPE_AUDIO || codec_type==AVMEDIA_TYPE_SUBTITLE){
2371 mov->tracks[i].secondary= not_first[codec_type];
2372 not_first[codec_type]= 1;
2375 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2378 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2379 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2381 if (mov->mode == MODE_PSP)
2382 mov_write_uuidusmt_tag(pb, s);
2384 mov_write_udta_tag(pb, mov, s);
2386 return update_size(pb, pos);
2389 static void param_write_int(AVIOContext *pb, const char *name, int value)
2391 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2394 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2396 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2399 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2402 len = FFMIN(sizeof(buf) / 2 - 1, len);
2403 ff_data_to_hex(buf, value, len, 0);
2404 buf[2 * len] = '\0';
2405 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2408 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2410 int64_t pos = avio_tell(pb);
2412 const uint8_t uuid[] = {
2413 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2414 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2418 ffio_wfourcc(pb, "uuid");
2419 avio_write(pb, uuid, sizeof(uuid));
2422 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2423 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2424 avio_printf(pb, "<head>\n");
2425 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2427 avio_printf(pb, "</head>\n");
2428 avio_printf(pb, "<body>\n");
2429 avio_printf(pb, "<switch>\n");
2430 for (i = 0; i < mov->nb_streams; i++) {
2431 MOVTrack *track = &mov->tracks[i];
2433 /* track->track_id is initialized in write_moov, and thus isn't known
2435 int track_id = i + 1;
2437 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2439 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2444 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2445 track->enc->bit_rate);
2446 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2447 param_write_int(pb, "trackID", track_id);
2448 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2449 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2451 int size = track->enc->extradata_size;
2452 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2454 param_write_hex(pb, "CodecPrivateData",
2455 ptr ? ptr : track->enc->extradata,
2459 param_write_string(pb, "FourCC", "H264");
2460 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2461 param_write_string(pb, "FourCC", "WVC1");
2462 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2463 track->enc->extradata_size);
2465 param_write_int(pb, "MaxWidth", track->enc->width);
2466 param_write_int(pb, "MaxHeight", track->enc->height);
2467 param_write_int(pb, "DisplayWidth", track->enc->width);
2468 param_write_int(pb, "DisplayHeight", track->enc->height);
2470 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2471 param_write_string(pb, "FourCC", "AACL");
2472 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2473 param_write_string(pb, "FourCC", "WMAP");
2475 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2476 track->enc->extradata_size);
2477 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2478 track->enc->codec_id));
2479 param_write_int(pb, "Channels", track->enc->channels);
2480 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2481 param_write_int(pb, "BitsPerSample", 16);
2482 param_write_int(pb, "PacketSize", track->enc->block_align ?
2483 track->enc->block_align : 4);
2485 avio_printf(pb, "</%s>\n", type);
2487 avio_printf(pb, "</switch>\n");
2488 avio_printf(pb, "</body>\n");
2489 avio_printf(pb, "</smil>\n");
2491 return update_size(pb, pos);
2494 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2497 ffio_wfourcc(pb, "mfhd");
2499 avio_wb32(pb, mov->fragments);
2503 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2504 int64_t moof_offset)
2506 int64_t pos = avio_tell(pb);
2507 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2508 MOV_TFHD_BASE_DATA_OFFSET;
2509 if (!track->entry) {
2510 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2512 flags |= MOV_TFHD_DEFAULT_FLAGS;
2515 /* Don't set a default sample size, the silverlight player refuses
2516 * to play files with that set. Don't set a default sample duration,
2517 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2518 * file format says it MUST NOT be set. */
2519 if (track->mode == MODE_ISM)
2520 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2521 MOV_TFHD_BASE_DATA_OFFSET);
2523 avio_wb32(pb, 0); /* size placeholder */
2524 ffio_wfourcc(pb, "tfhd");
2525 avio_w8(pb, 0); /* version */
2526 avio_wb24(pb, flags);
2528 avio_wb32(pb, track->track_id); /* track-id */
2529 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2530 avio_wb64(pb, moof_offset);
2531 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2532 track->default_duration = get_cluster_duration(track, 0);
2533 avio_wb32(pb, track->default_duration);
2535 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2536 track->default_size = track->entry ? track->cluster[0].size : 1;
2537 avio_wb32(pb, track->default_size);
2539 track->default_size = -1;
2541 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2542 track->default_sample_flags =
2543 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2544 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2545 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2546 avio_wb32(pb, track->default_sample_flags);
2549 return update_size(pb, pos);
2552 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2554 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2555 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2558 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2560 int64_t pos = avio_tell(pb);
2561 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2564 for (i = 0; i < track->entry; i++) {
2565 if (get_cluster_duration(track, i) != track->default_duration)
2566 flags |= MOV_TRUN_SAMPLE_DURATION;
2567 if (track->cluster[i].size != track->default_size)
2568 flags |= MOV_TRUN_SAMPLE_SIZE;
2569 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2570 flags |= MOV_TRUN_SAMPLE_FLAGS;
2572 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2573 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2574 if (track->flags & MOV_TRACK_CTTS)
2575 flags |= MOV_TRUN_SAMPLE_CTS;
2577 avio_wb32(pb, 0); /* size placeholder */
2578 ffio_wfourcc(pb, "trun");
2579 avio_w8(pb, 0); /* version */
2580 avio_wb24(pb, flags);
2582 avio_wb32(pb, track->entry); /* sample count */
2583 track->moof_size_offset = avio_tell(pb);
2584 avio_wb32(pb, 0); /* data offset */
2585 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2586 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2588 for (i = 0; i < track->entry; i++) {
2589 if (flags & MOV_TRUN_SAMPLE_DURATION)
2590 avio_wb32(pb, get_cluster_duration(track, i));
2591 if (flags & MOV_TRUN_SAMPLE_SIZE)
2592 avio_wb32(pb, track->cluster[i].size);
2593 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2594 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2595 if (flags & MOV_TRUN_SAMPLE_CTS)
2596 avio_wb32(pb, track->cluster[i].cts);
2599 return update_size(pb, pos);
2602 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2604 int64_t pos = avio_tell(pb);
2605 const uint8_t uuid[] = {
2606 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2607 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2610 avio_wb32(pb, 0); /* size placeholder */
2611 ffio_wfourcc(pb, "uuid");
2612 avio_write(pb, uuid, sizeof(uuid));
2615 avio_wb64(pb, track->frag_start);
2616 avio_wb64(pb, track->start_dts + track->track_duration -
2617 track->cluster[0].dts);
2619 return update_size(pb, pos);
2622 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2623 MOVTrack *track, int entry)
2625 int n = track->nb_frag_info - 1 - entry, i;
2626 int size = 8 + 16 + 4 + 1 + 16*n;
2627 const uint8_t uuid[] = {
2628 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2629 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2635 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2636 avio_wb32(pb, size);
2637 ffio_wfourcc(pb, "uuid");
2638 avio_write(pb, uuid, sizeof(uuid));
2642 for (i = 0; i < n; i++) {
2643 int index = entry + 1 + i;
2644 avio_wb64(pb, track->frag_info[index].time);
2645 avio_wb64(pb, track->frag_info[index].duration);
2647 if (n < mov->ism_lookahead) {
2648 int free_size = 16 * (mov->ism_lookahead - n);
2649 avio_wb32(pb, free_size);
2650 ffio_wfourcc(pb, "free");
2651 ffio_fill(pb, 0, free_size - 8);
2657 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2660 int64_t pos = avio_tell(pb);
2662 for (i = 0; i < mov->ism_lookahead; i++) {
2663 /* Update the tfrf tag for the last ism_lookahead fragments,
2664 * nb_frag_info - 1 is the next fragment to be written. */
2665 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2667 avio_seek(pb, pos, SEEK_SET);
2671 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2672 MOVTrack *track, int64_t moof_offset)
2674 int64_t pos = avio_tell(pb);
2675 avio_wb32(pb, 0); /* size placeholder */
2676 ffio_wfourcc(pb, "traf");
2678 mov_write_tfhd_tag(pb, track, moof_offset);
2679 mov_write_trun_tag(pb, track);
2680 if (mov->mode == MODE_ISM) {
2681 mov_write_tfxd_tag(pb, track);
2683 if (mov->ism_lookahead) {
2684 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2686 track->tfrf_offset = avio_tell(pb);
2687 avio_wb32(pb, 8 + size);
2688 ffio_wfourcc(pb, "free");
2689 for (i = 0; i < size; i++)
2694 return update_size(pb, pos);
2697 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2699 int64_t pos = avio_tell(pb), end;
2702 avio_wb32(pb, 0); /* size placeholder */
2703 ffio_wfourcc(pb, "moof");
2705 mov_write_mfhd_tag(pb, mov);
2706 for (i = 0; i < mov->nb_streams; i++) {
2707 MOVTrack *track = &mov->tracks[i];
2708 if (tracks >= 0 && i != tracks)
2712 mov_write_traf_tag(pb, mov, track, pos);
2715 end = avio_tell(pb);
2716 moof_size = end - pos;
2717 for (i = 0; i < mov->nb_streams; i++) {
2718 MOVTrack *track = &mov->tracks[i];
2719 if (tracks >= 0 && i != tracks)
2723 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2724 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2726 avio_seek(pb, end, SEEK_SET);
2728 return update_size(pb, pos);
2731 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2733 int64_t pos = avio_tell(pb);
2736 avio_wb32(pb, 0); /* size placeholder */
2737 ffio_wfourcc(pb, "tfra");
2738 avio_w8(pb, 1); /* version */
2741 avio_wb32(pb, track->track_id);
2742 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2743 avio_wb32(pb, track->nb_frag_info);
2744 for (i = 0; i < track->nb_frag_info; i++) {
2745 avio_wb64(pb, track->frag_info[i].time);
2746 avio_wb64(pb, track->frag_info[i].offset);
2747 avio_w8(pb, 1); /* traf number */
2748 avio_w8(pb, 1); /* trun number */
2749 avio_w8(pb, 1); /* sample number */
2752 return update_size(pb, pos);
2755 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2757 int64_t pos = avio_tell(pb);
2760 avio_wb32(pb, 0); /* size placeholder */
2761 ffio_wfourcc(pb, "mfra");
2762 /* An empty mfra atom is enough to indicate to the publishing point that
2763 * the stream has ended. */
2764 if (mov->flags & FF_MOV_FLAG_ISML)
2765 return update_size(pb, pos);
2767 for (i = 0; i < mov->nb_streams; i++) {
2768 MOVTrack *track = &mov->tracks[i];
2769 if (track->nb_frag_info)
2770 mov_write_tfra_tag(pb, track);
2774 ffio_wfourcc(pb, "mfro");
2775 avio_wb32(pb, 0); /* version + flags */
2776 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2778 return update_size(pb, pos);
2781 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2783 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2784 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2786 mov->mdat_pos = avio_tell(pb);
2787 avio_wb32(pb, 0); /* size placeholder*/
2788 ffio_wfourcc(pb, "mdat");
2792 /* TODO: This needs to be more general */
2793 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2795 MOVMuxContext *mov = s->priv_data;
2796 int64_t pos = avio_tell(pb);
2797 int has_h264 = 0, has_video = 0;
2801 for (i = 0; i < s->nb_streams; i++) {
2802 AVStream *st = s->streams[i];
2803 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2805 if (st->codec->codec_id == AV_CODEC_ID_H264)
2809 avio_wb32(pb, 0); /* size */
2810 ffio_wfourcc(pb, "ftyp");
2812 if (mov->mode == MODE_3GP) {
2813 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2814 minor = has_h264 ? 0x100 : 0x200;
2815 } else if (mov->mode & MODE_3G2) {
2816 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2817 minor = has_h264 ? 0x20000 : 0x10000;
2818 } else if (mov->mode == MODE_PSP)
2819 ffio_wfourcc(pb, "MSNV");
2820 else if (mov->mode == MODE_MP4)
2821 ffio_wfourcc(pb, "isom");
2822 else if (mov->mode == MODE_IPOD)
2823 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2824 else if (mov->mode == MODE_ISM)
2825 ffio_wfourcc(pb, "isml");
2826 else if (mov->mode == MODE_F4V)
2827 ffio_wfourcc(pb, "f4v ");
2829 ffio_wfourcc(pb, "qt ");
2831 avio_wb32(pb, minor);
2833 if (mov->mode == MODE_MOV)
2834 ffio_wfourcc(pb, "qt ");
2835 else if (mov->mode == MODE_ISM) {
2836 ffio_wfourcc(pb, "piff");
2837 ffio_wfourcc(pb, "iso2");
2839 ffio_wfourcc(pb, "isom");
2840 ffio_wfourcc(pb, "iso2");
2842 ffio_wfourcc(pb, "avc1");
2845 if (mov->mode == MODE_3GP)
2846 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2847 else if (mov->mode & MODE_3G2)
2848 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2849 else if (mov->mode == MODE_PSP)
2850 ffio_wfourcc(pb, "MSNV");
2851 else if (mov->mode == MODE_MP4)
2852 ffio_wfourcc(pb, "mp41");
2853 return update_size(pb, pos);
2856 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2858 AVCodecContext *video_codec = s->streams[0]->codec;
2859 AVCodecContext *audio_codec = s->streams[1]->codec;
2860 int audio_rate = audio_codec->sample_rate;
2861 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2862 int audio_kbitrate = audio_codec->bit_rate / 1000;
2863 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2865 avio_wb32(pb, 0x94); /* size */
2866 ffio_wfourcc(pb, "uuid");
2867 ffio_wfourcc(pb, "PROF");
2869 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2870 avio_wb32(pb, 0xbb88695c);
2871 avio_wb32(pb, 0xfac9c740);
2873 avio_wb32(pb, 0x0); /* ? */
2874 avio_wb32(pb, 0x3); /* 3 sections ? */
2876 avio_wb32(pb, 0x14); /* size */
2877 ffio_wfourcc(pb, "FPRF");
2878 avio_wb32(pb, 0x0); /* ? */
2879 avio_wb32(pb, 0x0); /* ? */
2880 avio_wb32(pb, 0x0); /* ? */
2882 avio_wb32(pb, 0x2c); /* size */
2883 ffio_wfourcc(pb, "APRF"); /* audio */
2885 avio_wb32(pb, 0x2); /* TrackID */
2886 ffio_wfourcc(pb, "mp4a");
2887 avio_wb32(pb, 0x20f);
2889 avio_wb32(pb, audio_kbitrate);
2890 avio_wb32(pb, audio_kbitrate);
2891 avio_wb32(pb, audio_rate);
2892 avio_wb32(pb, audio_codec->channels);
2894 avio_wb32(pb, 0x34); /* size */
2895 ffio_wfourcc(pb, "VPRF"); /* video */
2897 avio_wb32(pb, 0x1); /* TrackID */
2898 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2899 ffio_wfourcc(pb, "avc1");
2900 avio_wb16(pb, 0x014D);
2901 avio_wb16(pb, 0x0015);
2903 ffio_wfourcc(pb, "mp4v");
2904 avio_wb16(pb, 0x0000);
2905 avio_wb16(pb, 0x0103);
2908 avio_wb32(pb, video_kbitrate);
2909 avio_wb32(pb, video_kbitrate);
2910 avio_wb32(pb, frame_rate);
2911 avio_wb32(pb, frame_rate);
2912 avio_wb16(pb, video_codec->width);
2913 avio_wb16(pb, video_codec->height);
2914 avio_wb32(pb, 0x010001); /* ? */
2917 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2920 int i, closed_gop = 0;
2922 for (i = 0; i < pkt->size - 4; i++) {
2923 c = (c << 8) + pkt->data[i];
2924 if (c == 0x1b8) { // gop
2925 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2926 } else if (c == 0x100) { // pic
2927 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
2928 if (!temp_ref || closed_gop) // I picture is not reordered
2929 *flags = MOV_SYNC_SAMPLE;
2931 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2938 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2940 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2941 int seq = 0, entry = 0;
2942 int key = pkt->flags & AV_PKT_FLAG_KEY;
2943 start = find_next_marker(pkt->data, end);
2944 for (next = start; next < end; start = next) {
2945 next = find_next_marker(start + 4, end);
2946 switch (AV_RB32(start)) {
2947 case VC1_CODE_SEQHDR:
2950 case VC1_CODE_ENTRYPOINT:
2953 case VC1_CODE_SLICE:
2954 trk->vc1_info.slices = 1;
2958 if (!trk->entry && !fragment) {
2959 /* First packet in first fragment */
2960 trk->vc1_info.first_packet_seq = seq;
2961 trk->vc1_info.first_packet_entry = entry;
2962 } else if ((seq && !trk->vc1_info.packet_seq) ||
2963 (entry && !trk->vc1_info.packet_entry)) {
2965 for (i = 0; i < trk->entry; i++)
2966 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2967 trk->has_keyframes = 0;
2969 trk->vc1_info.packet_seq = 1;
2971 trk->vc1_info.packet_entry = 1;
2973 /* First fragment */
2974 if ((!seq || trk->vc1_info.first_packet_seq) &&
2975 (!entry || trk->vc1_info.first_packet_entry)) {
2976 /* First packet had the same headers as this one, readd the
2977 * sync sample flag. */
2978 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2979 trk->has_keyframes = 1;
2983 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2985 else if (trk->vc1_info.packet_seq)
2987 else if (trk->vc1_info.packet_entry)
2990 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2991 trk->has_keyframes++;
2995 static int get_moov_size(AVFormatContext *s)
2999 AVIOContext *moov_buf;
3000 MOVMuxContext *mov = s->priv_data;
3002 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
3004 mov_write_moov_tag(moov_buf, mov, s);
3005 ret = avio_close_dyn_buf(moov_buf, &buf);
3010 static int mov_flush_fragment(AVFormatContext *s)
3012 MOVMuxContext *mov = s->priv_data;
3013 int i, first_track = -1;
3014 int64_t mdat_size = 0;
3016 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3019 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3020 int64_t pos = avio_tell(s->pb);
3022 int buf_size, moov_size;
3024 for (i = 0; i < mov->nb_streams; i++)
3025 if (!mov->tracks[i].entry)
3027 /* Don't write the initial moov unless all tracks have data */
3028 if (i < mov->nb_streams)
3031 moov_size = get_moov_size(s);
3032 for (i = 0; i < mov->nb_streams; i++)
3033 mov->tracks[i].data_offset = pos + moov_size + 8;
3035 mov_write_moov_tag(s->pb, mov, s);
3037 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3038 mov->mdat_buf = NULL;
3039 avio_wb32(s->pb, buf_size + 8);
3040 ffio_wfourcc(s->pb, "mdat");
3041 avio_write(s->pb, buf, buf_size);
3046 for (i = 0; i < mov->nb_streams; i++) {
3047 if (mov->tracks[i].entry)
3048 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3049 mov->tracks[i].track_duration -
3050 mov->tracks[i].cluster[0].dts;
3051 mov->tracks[i].entry = 0;
3057 for (i = 0; i < mov->nb_streams; i++) {
3058 MOVTrack *track = &mov->tracks[i];
3059 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3060 track->data_offset = 0;
3062 track->data_offset = mdat_size;
3063 if (!track->mdat_buf)
3065 mdat_size += avio_tell(track->mdat_buf);
3066 if (first_track < 0)
3073 for (i = 0; i < mov->nb_streams; i++) {
3074 MOVTrack *track = &mov->tracks[i];
3075 int buf_size, write_moof = 1, moof_tracks = -1;
3077 int64_t duration = 0;
3080 duration = track->start_dts + track->track_duration -
3081 track->cluster[0].dts;
3082 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3083 if (!track->mdat_buf)
3085 mdat_size = avio_tell(track->mdat_buf);
3088 write_moof = i == first_track;
3092 MOVFragmentInfo *info;
3094 track->nb_frag_info++;
3095 if (track->nb_frag_info >= track->frag_info_capacity) {
3096 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3097 if (av_reallocp_array(&track->frag_info,
3099 sizeof(*track->frag_info)))
3100 return AVERROR(ENOMEM);
3101 track->frag_info_capacity = new_capacity;
3103 info = &track->frag_info[track->nb_frag_info - 1];
3104 info->offset = avio_tell(s->pb);
3105 info->time = mov->tracks[i].frag_start;
3106 info->duration = duration;
3107 mov_write_tfrf_tags(s->pb, mov, track);
3109 mov_write_moof_tag(s->pb, mov, moof_tracks);
3110 info->tfrf_offset = track->tfrf_offset;
3113 avio_wb32(s->pb, mdat_size + 8);
3114 ffio_wfourcc(s->pb, "mdat");
3118 track->frag_start += duration;
3120 if (!track->mdat_buf)
3122 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3123 track->mdat_buf = NULL;
3125 avio_write(s->pb, buf, buf_size);
3135 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3137 MOVMuxContext *mov = s->priv_data;
3138 AVIOContext *pb = s->pb;
3139 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3140 AVCodecContext *enc = trk->enc;
3141 unsigned int samples_in_chunk = 0;
3142 int size = pkt->size;
3143 uint8_t *reformatted_data = NULL;
3145 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3147 if (mov->fragments > 0) {
3148 if (!trk->mdat_buf) {
3149 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3154 if (!mov->mdat_buf) {
3155 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3162 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3163 /* We must find out how many AMR blocks there are in one packet */
3164 static uint16_t packed_size[16] =
3165 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3168 while (len < size && samples_in_chunk < 100) {
3169 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3172 if (samples_in_chunk > 1) {
3173 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3176 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3177 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3178 samples_in_chunk = enc->frame_size;
3179 } else if (trk->sample_size)
3180 samples_in_chunk = size / trk->sample_size;
3182 samples_in_chunk = 1;
3184 /* copy extradata if it exists */
3185 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3186 trk->vos_len = enc->extradata_size;
3187 trk->vos_data = av_malloc(trk->vos_len);
3188 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3191 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3192 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3193 if (!s->streams[pkt->stream_index]->nb_frames) {
3194 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3195 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3196 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3199 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3201 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3202 /* from x264 or from bytestream h264 */
3203 /* nal reformating needed */
3204 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3205 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3207 avio_write(pb, reformatted_data, size);
3209 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3212 avio_write(pb, pkt->data, size);
3215 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3216 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3217 /* copy frame to create needed atoms */
3218 trk->vos_len = size;
3219 trk->vos_data = av_malloc(size);
3221 return AVERROR(ENOMEM);
3222 memcpy(trk->vos_data, pkt->data, size);
3225 if (trk->entry >= trk->cluster_capacity) {
3226 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3227 if (av_reallocp_array(&trk->cluster, new_capacity,
3228 sizeof(*trk->cluster)))
3229 return AVERROR(ENOMEM);
3230 trk->cluster_capacity = new_capacity;
3233 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3234 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3235 trk->cluster[trk->entry].chunkNum = 0;
3236 trk->cluster[trk->entry].size = size;
3237 trk->cluster[trk->entry].entries = samples_in_chunk;
3238 trk->cluster[trk->entry].dts = pkt->dts;
3239 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3240 /* First packet of a new fragment. We already wrote the duration
3241 * of the last packet of the previous fragment based on track_duration,
3242 * which might not exactly match our dts. Therefore adjust the dts
3243 * of this packet to be what the previous packets duration implies. */
3244 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3246 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3247 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3249 if (trk->start_dts == AV_NOPTS_VALUE)
3250 trk->start_dts = pkt->dts;
3251 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3252 trk->last_sample_is_subtitle_end = 0;
3254 if (pkt->pts == AV_NOPTS_VALUE) {
3255 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3256 pkt->pts = pkt->dts;
3258 if (pkt->dts != pkt->pts)
3259 trk->flags |= MOV_TRACK_CTTS;
3260 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3261 trk->cluster[trk->entry].flags = 0;
3262 if (enc->codec_id == AV_CODEC_ID_VC1) {
3263 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3264 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3265 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3266 trk->entry > 0) { // force sync sample for the first key frame
3267 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3268 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3269 trk->flags |= MOV_TRACK_STPS;
3271 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3273 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3274 trk->has_keyframes++;
3277 trk->sample_count += samples_in_chunk;
3278 mov->mdat_size += size;
3282 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3283 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3284 reformatted_data, size);
3285 av_free(reformatted_data);
3289 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3291 MOVMuxContext *mov = s->priv_data;
3292 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3293 AVCodecContext *enc = trk->enc;
3294 int64_t frag_duration = 0;
3295 int size = pkt->size;
3298 return 0; /* Discard 0 sized packets */
3300 if (trk->entry && pkt->stream_index < s->nb_streams)
3301 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3302 s->streams[pkt->stream_index]->time_base,
3304 if ((mov->max_fragment_duration &&
3305 frag_duration >= mov->max_fragment_duration) ||
3306 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3307 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3308 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3309 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3310 if (frag_duration >= mov->min_fragment_duration)
3311 mov_flush_fragment(s);
3314 return ff_mov_write_packet(s, pkt);
3317 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3321 uint8_t data[2] = {0};
3324 av_init_packet(&end);
3325 end.size = sizeof(data);
3330 end.stream_index = stream_index;
3332 ret = mov_write_single_packet(s, &end);
3333 av_free_packet(&end);
3338 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3341 mov_flush_fragment(s);
3345 MOVMuxContext *mov = s->priv_data;
3347 if (!pkt->size) return 0; /* Discard 0 sized packets */
3350 * Subtitles require special handling.
3352 * 1) For full complaince, every track must have a sample at
3353 * dts == 0, which is rarely true for subtitles. So, as soon
3354 * as we see any packet with dts > 0, write an empty subtitle
3355 * at dts == 0 for any subtitle track with no samples in it.
3357 * 2) For each subtitle track, check if the current packet's
3358 * dts is past the duration of the last subtitle sample. If
3359 * so, we now need to write an end sample for that subtitle.
3361 * This must be done conditionally to allow for subtitles that
3362 * immediately replace each other, in which case an end sample
3363 * is not needed, and is, in fact, actively harmful.
3365 * 3) See mov_write_trailer for how the final end sample is
3368 for (i = 0; i < mov->nb_streams; i++) {
3369 MOVTrack *trk = &mov->tracks[i];
3372 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3373 trk->track_duration < pkt->dts &&
3374 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3375 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3376 if (ret < 0) return ret;
3377 trk->last_sample_is_subtitle_end = 1;
3381 return mov_write_single_packet(s, pkt);
3385 // QuickTime chapters involve an additional text track with the chapter names
3386 // as samples, and a tref pointing from the other tracks to the chapter one.
3387 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3391 MOVMuxContext *mov = s->priv_data;
3392 MOVTrack *track = &mov->tracks[tracknum];
3393 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3396 track->mode = mov->mode;
3397 track->tag = MKTAG('t','e','x','t');
3398 track->timescale = MOV_TIMESCALE;
3399 track->enc = avcodec_alloc_context3(NULL);
3400 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3402 if (avio_open_dyn_buf(&pb) >= 0) {
3406 /* Stub header (usually for Quicktime chapter track) */
3408 avio_wb32(pb, 0x01); // displayFlags
3409 avio_w8(pb, 0x00); // horizontal justification
3410 avio_w8(pb, 0x00); // vertical justification
3411 avio_w8(pb, 0x00); // bgColourRed
3412 avio_w8(pb, 0x00); // bgColourGreen
3413 avio_w8(pb, 0x00); // bgColourBlue
3414 avio_w8(pb, 0x00); // bgColourAlpha
3416 avio_wb16(pb, 0x00); // defTextBoxTop
3417 avio_wb16(pb, 0x00); // defTextBoxLeft
3418 avio_wb16(pb, 0x00); // defTextBoxBottom
3419 avio_wb16(pb, 0x00); // defTextBoxRight
3421 avio_wb16(pb, 0x00); // startChar
3422 avio_wb16(pb, 0x00); // endChar
3423 avio_wb16(pb, 0x01); // fontID
3424 avio_w8(pb, 0x00); // fontStyleFlags
3425 avio_w8(pb, 0x00); // fontSize
3426 avio_w8(pb, 0x00); // fgColourRed
3427 avio_w8(pb, 0x00); // fgColourGreen
3428 avio_w8(pb, 0x00); // fgColourBlue
3429 avio_w8(pb, 0x00); // fgColourAlpha
3431 avio_wb32(pb, 0x0D); // box size
3432 ffio_wfourcc(pb, "ftab"); // box atom name
3433 avio_wb16(pb, 0x01); // entry count
3435 avio_wb16(pb, 0x01); // font ID
3436 avio_w8(pb, 0x00); // font name length
3438 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3439 track->enc->extradata = buf;
3440 track->enc->extradata_size = size;
3446 for (i = 0; i < s->nb_chapters; i++) {
3447 AVChapter *c = s->chapters[i];
3448 AVDictionaryEntry *t;
3450 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3451 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3452 pkt.duration = end - pkt.dts;
3454 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3455 len = strlen(t->value);
3457 pkt.data = av_malloc(pkt.size);
3458 AV_WB16(pkt.data, len);
3459 memcpy(pkt.data + 2, t->value, len);
3460 ff_mov_write_packet(s, &pkt);
3461 av_freep(&pkt.data);
3466 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3469 MOVMuxContext *mov = s->priv_data;
3470 MOVTrack *track = &mov->tracks[index];
3471 AVStream *src_st = s->streams[src_index];
3473 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3474 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3476 /* if the codec time base makes no sense, try to fallback on stream frame rate */
3477 if (av_timecode_check_frame_rate(rate) < 0) {
3478 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3479 rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3480 rate = src_st->avg_frame_rate;
3483 /* compute the frame number */
3484 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3488 /* tmcd track based on video stream */
3489 track->mode = mov->mode;
3490 track->tag = MKTAG('t','m','c','d');
3491 track->src_track = src_index;
3492 track->timescale = mov->tracks[src_index].timescale;
3493 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3494 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3496 /* encode context: tmcd data stream */
3497 track->enc = avcodec_alloc_context3(NULL);
3498 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3499 track->enc->codec_tag = track->tag;
3500 track->enc->time_base = src_st->codec->time_base;
3502 /* the tmcd track just contains one packet with the frame number */
3503 pkt.data = av_malloc(pkt.size);
3504 AV_WB32(pkt.data, tc.start);
3505 ret = ff_mov_write_packet(s, &pkt);
3510 static int mov_write_header(AVFormatContext *s)
3512 AVIOContext *pb = s->pb;
3513 MOVMuxContext *mov = s->priv_data;
3514 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3515 int i, hint_track = 0, tmcd_track = 0;
3517 /* Set the FRAGMENT flag if any of the fragmentation methods are
3519 if (mov->max_fragment_duration || mov->max_fragment_size ||
3520 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3521 FF_MOV_FLAG_FRAG_KEYFRAME |
3522 FF_MOV_FLAG_FRAG_CUSTOM))
3523 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3525 /* faststart: moov at the beginning of the file, if supported */
3526 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3527 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3528 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3530 mov->reserved_moov_size = -1;
3533 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3534 s->avoid_negative_ts = 1;
3537 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3538 * is enabled, we don't support non-seekable output at all. */
3539 if (!s->pb->seekable &&
3540 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3541 strcmp(s->oformat->name, "ismv"))
3542 || mov->ism_lookahead)) {
3543 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3547 /* Default mode == MP4 */
3548 mov->mode = MODE_MP4;
3550 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3551 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3552 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3553 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3554 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3555 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3556 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3558 mov_write_ftyp_tag(pb,s);
3559 if (mov->mode == MODE_PSP) {
3560 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3561 for (i = 0; i < s->nb_streams; i++) {
3562 AVStream *st = s->streams[i];
3563 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3565 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3571 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3572 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3575 mov_write_uuidprof_tag(pb, s);
3578 mov->nb_streams = s->nb_streams;
3579 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3580 mov->chapter_track = mov->nb_streams++;
3582 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3583 /* Add hint tracks for each audio and video stream */
3584 hint_track = mov->nb_streams;
3585 for (i = 0; i < s->nb_streams; i++) {
3586 AVStream *st = s->streams[i];
3587 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3588 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3594 if (mov->mode == MODE_MOV) {
3595 tmcd_track = mov->nb_streams;
3597 /* +1 tmcd track for each video stream with a timecode */
3598 for (i = 0; i < s->nb_streams; i++) {
3599 AVStream *st = s->streams[i];
3600 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3601 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3602 mov->nb_meta_tmcd++;
3605 /* check if there is already a tmcd track to remux */
3606 if (mov->nb_meta_tmcd) {
3607 for (i = 0; i < s->nb_streams; i++) {
3608 AVStream *st = s->streams[i];
3609 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3610 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3611 "so timecode metadata are now ignored\n");
3612 mov->nb_meta_tmcd = 0;
3617 mov->nb_streams += mov->nb_meta_tmcd;
3620 mov->tracks = av_mallocz(mov->nb_streams * sizeof(*mov->tracks));
3622 return AVERROR(ENOMEM);
3624 for (i = 0; i < s->nb_streams; i++) {
3625 AVStream *st= s->streams[i];
3626 MOVTrack *track= &mov->tracks[i];
3627 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3629 track->enc = st->codec;
3630 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3631 if (track->language < 0)
3632 track->language = 0;
3633 track->mode = mov->mode;
3634 track->tag = mov_find_codec_tag(s, track);
3636 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3637 "codec not currently supported in container\n", i);
3640 /* If hinting of this track is enabled by a later hint track,
3641 * this is updated. */
3642 track->hint_track = -1;
3643 track->start_dts = AV_NOPTS_VALUE;
3644 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3645 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3646 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3647 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3648 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3649 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3652 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3654 if (mov->video_track_timescale) {
3655 track->timescale = mov->video_track_timescale;
3657 track->timescale = st->codec->time_base.den;
3658 while(track->timescale < 10000)
3659 track->timescale *= 2;
3661 if (track->mode == MODE_MOV && track->timescale > 100000)
3662 av_log(s, AV_LOG_WARNING,
3663 "WARNING codec timebase is very high. If duration is too long,\n"
3664 "file may not be playable by quicktime. Specify a shorter timebase\n"
3665 "or choose different container.\n");
3666 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3667 track->timescale = st->codec->sample_rate;
3668 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3669 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3670 track->audio_vbr = 1;
3671 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3672 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3673 st->codec->codec_id == AV_CODEC_ID_ILBC){
3674 if (!st->codec->block_align) {
3675 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3678 track->sample_size = st->codec->block_align;
3679 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3680 track->audio_vbr = 1;
3682 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3684 if (track->mode != MODE_MOV &&
3685 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3686 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3687 i, track->enc->sample_rate);
3690 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3691 track->timescale = st->codec->time_base.den;
3693 track->timescale = MOV_TIMESCALE;
3696 track->height = st->codec->height;
3697 /* The ism specific timescale isn't mandatory, but is assumed by
3698 * some tools, such as mp4split. */
3699 if (mov->mode == MODE_ISM)
3700 track->timescale = 10000000;
3702 avpriv_set_pts_info(st, 64, 1, track->timescale);
3704 /* copy extradata if it exists */
3705 if (st->codec->extradata_size) {
3706 track->vos_len = st->codec->extradata_size;
3707 track->vos_data = av_malloc(track->vos_len);
3708 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3712 if (mov->mode == MODE_ISM) {
3713 /* If no fragmentation options have been set, set a default. */
3714 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3715 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3716 !mov->max_fragment_duration && !mov->max_fragment_size)
3717 mov->max_fragment_duration = 5000000;
3718 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3719 FF_MOV_FLAG_FRAGMENT;
3722 if (mov->reserved_moov_size){
3723 mov->reserved_moov_pos= avio_tell(pb);
3724 if (mov->reserved_moov_size > 0)
3725 avio_skip(pb, mov->reserved_moov_size);
3728 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3729 mov_write_mdat_tag(pb, mov);
3731 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3732 mov->time = ff_iso8601_to_unix_time(t->value);
3734 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3736 if (mov->chapter_track)
3737 mov_create_chapter_track(s, mov->chapter_track);
3739 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3740 /* Initialize the hint tracks for each audio and video stream */
3741 for (i = 0; i < s->nb_streams; i++) {
3742 AVStream *st = s->streams[i];
3743 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3744 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3745 if (ff_mov_init_hinting(s, hint_track, i) < 0)
3752 if (mov->nb_meta_tmcd) {
3753 /* Initialize the tmcd tracks */
3754 for (i = 0; i < s->nb_streams; i++) {
3755 AVStream *st = s->streams[i];
3758 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3760 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3763 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3772 if (mov->flags & FF_MOV_FLAG_ISML)
3773 mov_write_isml_manifest(pb, mov);
3775 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3776 mov_write_moov_tag(pb, mov, s);
3782 av_freep(&mov->tracks);
3787 * This function gets the moov size if moved to the top of the file: the chunk
3788 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3789 * entries) when the moov is moved to the top, so the size of the moov would
3790 * change. It also updates the chunk offset tables.
3792 static int compute_moov_size(AVFormatContext *s)
3794 int i, moov_size, moov_size2;
3795 MOVMuxContext *mov = s->priv_data;
3797 moov_size = get_moov_size(s);
3801 for (i = 0; i < mov->nb_streams; i++)
3802 mov->tracks[i].data_offset += moov_size;
3804 moov_size2 = get_moov_size(s);
3808 /* if the size changed, we just switched from stco to co64 and needs to
3809 * update the offsets */
3810 if (moov_size2 != moov_size)
3811 for (i = 0; i < mov->nb_streams; i++)
3812 mov->tracks[i].data_offset += moov_size2 - moov_size;
3817 static int shift_data(AVFormatContext *s)
3819 int ret = 0, moov_size;
3820 MOVMuxContext *mov = s->priv_data;
3821 int64_t pos, pos_end = avio_tell(s->pb);
3822 uint8_t *buf, *read_buf[2];
3823 int read_buf_id = 0;
3825 AVIOContext *read_pb;
3827 moov_size = compute_moov_size(s);
3831 buf = av_malloc(moov_size * 2);
3833 return AVERROR(ENOMEM);
3835 read_buf[1] = buf + moov_size;
3837 /* Shift the data: the AVIO context of the output can only be used for
3838 * writing, so we re-open the same output, but for reading. It also avoids
3839 * a read/seek/write/seek back and forth. */
3841 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3843 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3844 "the second pass (faststart)\n", s->filename);
3848 /* mark the end of the shift to up to the last data we wrote, and get ready
3850 pos_end = avio_tell(s->pb);
3851 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3853 /* start reading at where the new moov will be placed */
3854 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3855 pos = avio_tell(read_pb);
3857 #define READ_BLOCK do { \
3858 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3862 /* shift data by chunk of at most moov_size */
3867 n = read_size[read_buf_id];
3870 avio_write(s->pb, read_buf[read_buf_id], n);
3872 } while (pos < pos_end);
3873 avio_close(read_pb);
3880 static int mov_write_trailer(AVFormatContext *s)
3882 MOVMuxContext *mov = s->priv_data;
3883 AVIOContext *pb = s->pb;
3889 * Before actually writing the trailer, make sure that there are no
3890 * dangling subtitles, that need a terminating sample.
3892 for (i = 0; i < mov->nb_streams; i++) {
3893 MOVTrack *trk = &mov->tracks[i];
3894 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3895 !trk->last_sample_is_subtitle_end) {
3896 mov_write_subtitle_end_packet(s, i, trk->track_duration);
3897 trk->last_sample_is_subtitle_end = 1;
3901 moov_pos = avio_tell(pb);
3903 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3904 /* Write size of mdat tag */
3905 if (mov->mdat_size + 8 <= UINT32_MAX) {
3906 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3907 avio_wb32(pb, mov->mdat_size + 8);
3909 /* overwrite 'wide' placeholder atom */
3910 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3911 /* special value: real atom size will be 64 bit value after
3914 ffio_wfourcc(pb, "mdat");
3915 avio_wb64(pb, mov->mdat_size + 16);
3917 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3919 if (mov->reserved_moov_size == -1) {
3920 av_log(s, AV_LOG_INFO, "Starting second pass: moving header on top of the file\n");
3921 res = shift_data(s);
3923 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3924 mov_write_moov_tag(pb, mov, s);
3926 } else if (mov->reserved_moov_size > 0) {
3928 mov_write_moov_tag(pb, mov, s);
3929 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3931 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3934 avio_wb32(pb, size);
3935 ffio_wfourcc(pb, "free");
3936 for (i = 0; i < size; i++)
3938 avio_seek(pb, moov_pos, SEEK_SET);
3940 mov_write_moov_tag(pb, mov, s);
3943 mov_flush_fragment(s);
3944 mov_write_mfra_tag(pb, mov);
3947 if (mov->chapter_track)
3948 av_freep(&mov->tracks[mov->chapter_track].enc);
3950 for (i = 0; i < mov->nb_streams; i++) {
3951 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3952 ff_mov_close_hinting(&mov->tracks[i]);
3953 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3954 av_freep(&mov->tracks[i].enc);
3955 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3956 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3957 int64_t off = avio_tell(pb);
3959 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3960 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3961 avio_write(pb, buf, 7);
3962 avio_seek(pb, off, SEEK_SET);
3965 av_freep(&mov->tracks[i].cluster);
3966 av_freep(&mov->tracks[i].frag_info);
3968 if (mov->tracks[i].vos_len)
3969 av_free(mov->tracks[i].vos_data);
3972 av_freep(&mov->tracks);
3977 #if CONFIG_MOV_MUXER
3979 AVOutputFormat ff_mov_muxer = {
3981 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3982 .extensions = "mov",
3983 .priv_data_size = sizeof(MOVMuxContext),
3984 .audio_codec = AV_CODEC_ID_AAC,
3985 .video_codec = CONFIG_LIBX264_ENCODER ?
3986 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3987 .write_header = mov_write_header,
3988 .write_packet = mov_write_packet,
3989 .write_trailer = mov_write_trailer,
3990 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3991 .codec_tag = (const AVCodecTag* const []){
3992 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3994 .priv_class = &mov_muxer_class,
3997 #if CONFIG_TGP_MUXER
3999 AVOutputFormat ff_tgp_muxer = {
4001 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4002 .extensions = "3gp",
4003 .priv_data_size = sizeof(MOVMuxContext),
4004 .audio_codec = AV_CODEC_ID_AMR_NB,
4005 .video_codec = AV_CODEC_ID_H263,
4006 .write_header = mov_write_header,
4007 .write_packet = mov_write_packet,
4008 .write_trailer = mov_write_trailer,
4009 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4010 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4011 .priv_class = &tgp_muxer_class,
4014 #if CONFIG_MP4_MUXER
4016 AVOutputFormat ff_mp4_muxer = {
4018 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4019 .mime_type = "application/mp4",
4020 .extensions = "mp4",
4021 .priv_data_size = sizeof(MOVMuxContext),
4022 .audio_codec = AV_CODEC_ID_AAC,
4023 .video_codec = CONFIG_LIBX264_ENCODER ?
4024 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4025 .write_header = mov_write_header,
4026 .write_packet = mov_write_packet,
4027 .write_trailer = mov_write_trailer,
4028 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4029 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4030 .priv_class = &mp4_muxer_class,
4033 #if CONFIG_PSP_MUXER
4035 AVOutputFormat ff_psp_muxer = {
4037 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4038 .extensions = "mp4,psp",
4039 .priv_data_size = sizeof(MOVMuxContext),
4040 .audio_codec = AV_CODEC_ID_AAC,
4041 .video_codec = CONFIG_LIBX264_ENCODER ?
4042 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4043 .write_header = mov_write_header,
4044 .write_packet = mov_write_packet,
4045 .write_trailer = mov_write_trailer,
4046 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4047 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4048 .priv_class = &psp_muxer_class,
4051 #if CONFIG_TG2_MUXER
4053 AVOutputFormat ff_tg2_muxer = {
4055 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4056 .extensions = "3g2",
4057 .priv_data_size = sizeof(MOVMuxContext),
4058 .audio_codec = AV_CODEC_ID_AMR_NB,
4059 .video_codec = AV_CODEC_ID_H263,
4060 .write_header = mov_write_header,
4061 .write_packet = mov_write_packet,
4062 .write_trailer = mov_write_trailer,
4063 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4064 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4065 .priv_class = &tg2_muxer_class,
4068 #if CONFIG_IPOD_MUXER
4070 AVOutputFormat ff_ipod_muxer = {
4072 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4073 .mime_type = "application/mp4",
4074 .extensions = "m4v,m4a",
4075 .priv_data_size = sizeof(MOVMuxContext),
4076 .audio_codec = AV_CODEC_ID_AAC,
4077 .video_codec = AV_CODEC_ID_H264,
4078 .write_header = mov_write_header,
4079 .write_packet = mov_write_packet,
4080 .write_trailer = mov_write_trailer,
4081 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4082 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4083 .priv_class = &ipod_muxer_class,
4086 #if CONFIG_ISMV_MUXER
4088 AVOutputFormat ff_ismv_muxer = {
4090 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4091 .mime_type = "application/mp4",
4092 .extensions = "ismv,isma",
4093 .priv_data_size = sizeof(MOVMuxContext),
4094 .audio_codec = AV_CODEC_ID_AAC,
4095 .video_codec = AV_CODEC_ID_H264,
4096 .write_header = mov_write_header,
4097 .write_packet = mov_write_packet,
4098 .write_trailer = mov_write_trailer,
4099 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4100 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4101 .priv_class = &ismv_muxer_class,
4104 #if CONFIG_F4V_MUXER
4106 AVOutputFormat ff_f4v_muxer = {
4108 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4109 .mime_type = "application/f4v",
4110 .extensions = "f4v",
4111 .priv_data_size = sizeof(MOVMuxContext),
4112 .audio_codec = AV_CODEC_ID_AAC,
4113 .video_codec = AV_CODEC_ID_H264,
4114 .write_header = mov_write_header,
4115 .write_packet = mov_write_packet,
4116 .write_trailer = mov_write_trailer,
4117 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4118 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4119 .priv_class = &f4v_muxer_class,