3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
49 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 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 static int get_moov_size(AVFormatContext *s);
79 //FIXME support 64 bit variant with wide placeholders
80 static int64_t update_size(AVIOContext *pb, int64_t pos)
82 int64_t curpos = avio_tell(pb);
83 avio_seek(pb, pos, SEEK_SET);
84 avio_wb32(pb, curpos - pos); /* rewrite size */
85 avio_seek(pb, curpos, SEEK_SET);
90 static int supports_edts(MOVMuxContext *mov)
92 // EDTS with fragments is tricky as we don't know the duration when its written
93 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
96 static int co64_required(const MOVTrack *track)
98 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
103 /* Chunk offset atom */
104 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
107 int mode64 = co64_required(track); // use 32 bit size variant if possible
108 int64_t pos = avio_tell(pb);
109 avio_wb32(pb, 0); /* size */
111 ffio_wfourcc(pb, "co64");
113 ffio_wfourcc(pb, "stco");
114 avio_wb32(pb, 0); /* version & flags */
115 avio_wb32(pb, track->chunkCount); /* entry count */
116 for (i = 0; i < track->entry; i++) {
117 if (!track->cluster[i].chunkNum)
120 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
122 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
124 return update_size(pb, pos);
127 /* Sample size atom */
128 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
131 int i, j, entries = 0, tst = -1, oldtst = -1;
133 int64_t pos = avio_tell(pb);
134 avio_wb32(pb, 0); /* size */
135 ffio_wfourcc(pb, "stsz");
136 avio_wb32(pb, 0); /* version & flags */
138 for (i = 0; i < track->entry; i++) {
139 tst = track->cluster[i].size / track->cluster[i].entries;
140 if (oldtst != -1 && tst != oldtst)
143 entries += track->cluster[i].entries;
145 if (equalChunks && track->entry) {
146 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
147 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
148 avio_wb32(pb, sSize); // sample size
149 avio_wb32(pb, entries); // sample count
151 avio_wb32(pb, 0); // sample size
152 avio_wb32(pb, entries); // sample count
153 for (i = 0; i < track->entry; i++) {
154 for (j = 0; j < track->cluster[i].entries; j++) {
155 avio_wb32(pb, track->cluster[i].size /
156 track->cluster[i].entries);
160 return update_size(pb, pos);
163 /* Sample to chunk atom */
164 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
166 int index = 0, oldval = -1, i;
167 int64_t entryPos, curpos;
169 int64_t pos = avio_tell(pb);
170 avio_wb32(pb, 0); /* size */
171 ffio_wfourcc(pb, "stsc");
172 avio_wb32(pb, 0); // version & flags
173 entryPos = avio_tell(pb);
174 avio_wb32(pb, track->chunkCount); // entry count
175 for (i = 0; i < track->entry; i++) {
176 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
177 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
178 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
179 avio_wb32(pb, 0x1); // sample description index
180 oldval = track->cluster[i].samples_in_chunk;
184 curpos = avio_tell(pb);
185 avio_seek(pb, entryPos, SEEK_SET);
186 avio_wb32(pb, index); // rewrite size
187 avio_seek(pb, curpos, SEEK_SET);
189 return update_size(pb, pos);
192 /* Sync sample atom */
193 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
195 int64_t curpos, entryPos;
197 int64_t pos = avio_tell(pb);
198 avio_wb32(pb, 0); // size
199 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
200 avio_wb32(pb, 0); // version & flags
201 entryPos = avio_tell(pb);
202 avio_wb32(pb, track->entry); // entry count
203 for (i = 0; i < track->entry; i++) {
204 if (track->cluster[i].flags & flag) {
205 avio_wb32(pb, i + 1);
209 curpos = avio_tell(pb);
210 avio_seek(pb, entryPos, SEEK_SET);
211 avio_wb32(pb, index); // rewrite size
212 avio_seek(pb, curpos, SEEK_SET);
213 return update_size(pb, pos);
216 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
218 avio_wb32(pb, 0x11); /* size */
219 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
220 else ffio_wfourcc(pb, "damr");
221 ffio_wfourcc(pb, "FFMP");
222 avio_w8(pb, 0); /* decoder version */
224 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
225 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
226 avio_w8(pb, 0x01); /* Frames per sample */
230 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
235 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
237 if (track->vos_len < 7)
241 ffio_wfourcc(pb, "dac3");
243 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
244 fscod = get_bits(&gbc, 2);
245 frmsizecod = get_bits(&gbc, 6);
246 bsid = get_bits(&gbc, 5);
247 bsmod = get_bits(&gbc, 3);
248 acmod = get_bits(&gbc, 3);
250 skip_bits(&gbc, 2); // dsurmod
252 if ((acmod & 1) && acmod != 1)
253 skip_bits(&gbc, 2); // cmixlev
255 skip_bits(&gbc, 2); // surmixlev
257 lfeon = get_bits1(&gbc);
259 init_put_bits(&pbc, buf, sizeof(buf));
260 put_bits(&pbc, 2, fscod);
261 put_bits(&pbc, 5, bsid);
262 put_bits(&pbc, 3, bsmod);
263 put_bits(&pbc, 3, acmod);
264 put_bits(&pbc, 1, lfeon);
265 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
266 put_bits(&pbc, 5, 0); // reserved
268 flush_put_bits(&pbc);
269 avio_write(pb, buf, sizeof(buf));
275 * This function writes extradata "as is".
276 * Extradata must be formatted like a valid atom (with size and tag).
278 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
280 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
281 return track->enc->extradata_size;
284 static int mov_write_enda_tag(AVIOContext *pb)
287 ffio_wfourcc(pb, "enda");
288 avio_wb16(pb, 1); /* little endian */
292 static int mov_write_enda_tag_be(AVIOContext *pb)
295 ffio_wfourcc(pb, "enda");
296 avio_wb16(pb, 0); /* big endian */
300 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
305 avio_w8(pb, (size >> (7 * i)) | 0x80);
306 avio_w8(pb, size & 0x7F);
309 static unsigned compute_avg_bitrate(MOVTrack *track)
313 if (!track->track_duration)
315 for (i = 0; i < track->entry; i++)
316 size += track->cluster[i].size;
317 return size * 8 * track->timescale / track->track_duration;
320 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
322 int64_t pos = avio_tell(pb);
323 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
324 unsigned avg_bitrate;
326 avio_wb32(pb, 0); // size
327 ffio_wfourcc(pb, "esds");
328 avio_wb32(pb, 0); // Version
331 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
332 avio_wb16(pb, track->track_id);
333 avio_w8(pb, 0x00); // flags (= no flags)
335 // DecoderConfig descriptor
336 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
338 // Object type indication
339 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
340 track->enc->codec_id == AV_CODEC_ID_MP3) &&
341 track->enc->sample_rate > 24000)
342 avio_w8(pb, 0x6B); // 11172-3
344 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
346 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
347 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
348 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
349 avio_w8(pb, 0x15); // flags (= Audiostream)
351 avio_w8(pb, 0x11); // flags (= Visualstream)
353 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
355 avg_bitrate = compute_avg_bitrate(track);
356 // maxbitrate (FIXME should be max rate in any 1 sec window)
357 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
358 avio_wb32(pb, avg_bitrate);
360 if (track->vos_len) {
361 // DecoderSpecific info descriptor
362 put_descr(pb, 0x05, track->vos_len);
363 avio_write(pb, track->vos_data, track->vos_len);
367 put_descr(pb, 0x06, 1);
369 return update_size(pb, pos);
372 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
374 return codec_id == AV_CODEC_ID_PCM_S24LE ||
375 codec_id == AV_CODEC_ID_PCM_S32LE ||
376 codec_id == AV_CODEC_ID_PCM_F32LE ||
377 codec_id == AV_CODEC_ID_PCM_F64LE;
380 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
382 return codec_id == AV_CODEC_ID_PCM_S24BE ||
383 codec_id == AV_CODEC_ID_PCM_S32BE ||
384 codec_id == AV_CODEC_ID_PCM_F32BE ||
385 codec_id == AV_CODEC_ID_PCM_F64BE;
388 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
390 int64_t pos = avio_tell(pb);
392 avio_wl32(pb, track->tag); // store it byteswapped
393 track->enc->codec_tag = av_bswap16(track->tag >> 16);
394 ff_put_wav_header(pb, track->enc);
395 return update_size(pb, pos);
398 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
400 int64_t pos = avio_tell(pb);
402 ffio_wfourcc(pb, "wfex");
403 ff_put_wav_header(pb, track->enc);
404 return update_size(pb, pos);
407 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
409 uint32_t layout_tag, bitmap;
410 int64_t pos = avio_tell(pb);
412 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
413 track->enc->channel_layout,
416 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
417 "lack of channel information\n");
421 avio_wb32(pb, 0); // Size
422 ffio_wfourcc(pb, "chan"); // Type
423 avio_w8(pb, 0); // Version
424 avio_wb24(pb, 0); // Flags
425 avio_wb32(pb, layout_tag); // mChannelLayoutTag
426 avio_wb32(pb, bitmap); // mChannelBitmap
427 avio_wb32(pb, 0); // mNumberChannelDescriptions
429 return update_size(pb, pos);
432 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
434 int64_t pos = avio_tell(pb);
436 avio_wb32(pb, 0); /* size */
437 ffio_wfourcc(pb, "wave");
439 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
440 avio_wb32(pb, 12); /* size */
441 ffio_wfourcc(pb, "frma");
442 avio_wl32(pb, track->tag);
445 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
446 /* useless atom needed by mplayer, ipod, not needed by quicktime */
447 avio_wb32(pb, 12); /* size */
448 ffio_wfourcc(pb, "mp4a");
450 mov_write_esds_tag(pb, track);
451 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
452 mov_write_enda_tag(pb);
453 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
454 mov_write_enda_tag_be(pb);
455 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
456 mov_write_amr_tag(pb, track);
457 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
458 mov_write_ac3_tag(pb, track);
459 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
460 track->enc->codec_id == AV_CODEC_ID_QDM2) {
461 mov_write_extradata_tag(pb, track);
462 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
463 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
464 mov_write_ms_tag(pb, track);
467 avio_wb32(pb, 8); /* size */
468 avio_wb32(pb, 0); /* null tag */
470 return update_size(pb, pos);
473 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
476 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
477 int unescaped_size, seq_found = 0;
478 int level = 0, interlace = 0;
479 int packet_seq = track->vc1_info.packet_seq;
480 int packet_entry = track->vc1_info.packet_entry;
481 int slices = track->vc1_info.slices;
484 if (track->start_dts == AV_NOPTS_VALUE) {
485 /* No packets written yet, vc1_info isn't authoritative yet. */
486 /* Assume inline sequence and entry headers. This will be
487 * overwritten at the end if the file is seekable. */
488 packet_seq = packet_entry = 1;
491 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
493 return AVERROR(ENOMEM);
494 start = find_next_marker(track->vos_data, end);
495 for (next = start; next < end; start = next) {
498 next = find_next_marker(start + 4, end);
499 size = next - start - 4;
502 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
503 init_get_bits(&gb, unescaped, 8 * unescaped_size);
504 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
505 int profile = get_bits(&gb, 2);
506 if (profile != PROFILE_ADVANCED) {
508 return AVERROR(ENOSYS);
511 level = get_bits(&gb, 3);
512 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
514 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
515 skip_bits(&gb, 1); /* broadcast */
516 interlace = get_bits1(&gb);
517 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
522 return AVERROR(ENOSYS);
525 init_put_bits(&pbc, buf, 7);
526 /* VC1DecSpecStruc */
527 put_bits(&pbc, 4, 12); /* profile - advanced */
528 put_bits(&pbc, 3, level);
529 put_bits(&pbc, 1, 0); /* reserved */
530 /* VC1AdvDecSpecStruc */
531 put_bits(&pbc, 3, level);
532 put_bits(&pbc, 1, 0); /* cbr */
533 put_bits(&pbc, 6, 0); /* reserved */
534 put_bits(&pbc, 1, !interlace); /* no interlace */
535 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
536 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
537 put_bits(&pbc, 1, !slices); /* no slice code */
538 put_bits(&pbc, 1, 0); /* no bframe */
539 put_bits(&pbc, 1, 0); /* reserved */
540 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
541 flush_put_bits(&pbc);
548 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
550 uint8_t buf[7] = { 0 };
553 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
556 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
557 ffio_wfourcc(pb, "dvc1");
558 track->vc1_info.struct_offset = avio_tell(pb);
559 avio_write(pb, buf, sizeof(buf));
560 avio_write(pb, track->vos_data, track->vos_len);
565 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
567 avio_wb32(pb, track->vos_len + 8);
568 ffio_wfourcc(pb, "glbl");
569 avio_write(pb, track->vos_data, track->vos_len);
570 return 8 + track->vos_len;
574 * Compute flags for 'lpcm' tag.
575 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
577 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
580 case AV_CODEC_ID_PCM_F32BE:
581 case AV_CODEC_ID_PCM_F64BE:
583 case AV_CODEC_ID_PCM_F32LE:
584 case AV_CODEC_ID_PCM_F64LE:
586 case AV_CODEC_ID_PCM_U8:
588 case AV_CODEC_ID_PCM_S16BE:
589 case AV_CODEC_ID_PCM_S24BE:
590 case AV_CODEC_ID_PCM_S32BE:
592 case AV_CODEC_ID_PCM_S8:
593 case AV_CODEC_ID_PCM_S16LE:
594 case AV_CODEC_ID_PCM_S24LE:
595 case AV_CODEC_ID_PCM_S32LE:
602 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
606 if (cluster_idx >= track->entry)
609 if (cluster_idx + 1 == track->entry)
610 next_dts = track->track_duration + track->start_dts;
612 next_dts = track->cluster[cluster_idx + 1].dts;
614 return next_dts - track->cluster[cluster_idx].dts;
617 static int get_samples_per_packet(MOVTrack *track)
619 int i, first_duration;
621 // return track->enc->frame_size;
623 /* use 1 for raw PCM */
624 if (!track->audio_vbr)
627 /* check to see if duration is constant for all clusters */
630 first_duration = get_cluster_duration(track, 0);
631 for (i = 1; i < track->entry; i++) {
632 if (get_cluster_duration(track, i) != first_duration)
635 return first_duration;
638 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
640 int64_t pos = avio_tell(pb);
642 uint32_t tag = track->tag;
644 if (track->mode == MODE_MOV) {
645 if (track->timescale > UINT16_MAX) {
646 if (mov_get_lpcm_flags(track->enc->codec_id))
647 tag = AV_RL32("lpcm");
649 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
650 mov_pcm_be_gt16(track->enc->codec_id) ||
651 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
652 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
653 track->enc->codec_id == AV_CODEC_ID_QDM2) {
658 avio_wb32(pb, 0); /* size */
659 avio_wl32(pb, tag); // store it byteswapped
660 avio_wb32(pb, 0); /* Reserved */
661 avio_wb16(pb, 0); /* Reserved */
662 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
664 /* SoundDescription */
665 avio_wb16(pb, version); /* Version */
666 avio_wb16(pb, 0); /* Revision level */
667 avio_wb32(pb, 0); /* Reserved */
672 avio_wb16(pb, 0xfffe);
674 avio_wb32(pb, 0x00010000);
676 avio_wb64(pb, av_double2int(track->enc->sample_rate));
677 avio_wb32(pb, track->enc->channels);
678 avio_wb32(pb, 0x7F000000);
679 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
680 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
681 avio_wb32(pb, track->sample_size);
682 avio_wb32(pb, get_samples_per_packet(track));
684 if (track->mode == MODE_MOV) {
685 avio_wb16(pb, track->enc->channels);
686 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
687 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
688 avio_wb16(pb, 8); /* bits per sample */
691 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
692 } else { /* reserved for mp4/3gp */
698 avio_wb16(pb, 0); /* packet size (= 0) */
699 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
700 track->enc->sample_rate : 0);
701 avio_wb16(pb, 0); /* Reserved */
704 if (version == 1) { /* SoundDescription V1 extended info */
705 if (mov_pcm_le_gt16(track->enc->codec_id) ||
706 mov_pcm_be_gt16(track->enc->codec_id))
707 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
709 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
710 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
711 avio_wb32(pb, track->sample_size); /* Bytes per frame */
712 avio_wb32(pb, 2); /* Bytes per sample */
715 if (track->mode == MODE_MOV &&
716 (track->enc->codec_id == AV_CODEC_ID_AAC ||
717 track->enc->codec_id == AV_CODEC_ID_AC3 ||
718 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
719 track->enc->codec_id == AV_CODEC_ID_ALAC ||
720 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
721 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
722 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
723 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
724 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
725 mov_write_wave_tag(pb, track);
726 else if (track->tag == MKTAG('m','p','4','a'))
727 mov_write_esds_tag(pb, track);
728 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
729 mov_write_amr_tag(pb, track);
730 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
731 mov_write_ac3_tag(pb, track);
732 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
733 mov_write_extradata_tag(pb, track);
734 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
735 mov_write_wfex_tag(pb, track);
736 else if (track->vos_len > 0)
737 mov_write_glbl_tag(pb, track);
739 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
740 mov_write_chan_tag(pb, track);
742 return update_size(pb, pos);
745 static int mov_write_d263_tag(AVIOContext *pb)
747 avio_wb32(pb, 0xf); /* size */
748 ffio_wfourcc(pb, "d263");
749 ffio_wfourcc(pb, "FFMP");
750 avio_w8(pb, 0); /* decoder version */
751 /* FIXME use AVCodecContext level/profile, when encoder will set values */
752 avio_w8(pb, 0xa); /* level */
753 avio_w8(pb, 0); /* profile */
757 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
759 int64_t pos = avio_tell(pb);
762 ffio_wfourcc(pb, "avcC");
763 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
764 return update_size(pb, pos);
767 /* also used by all avid codecs (dv, imx, meridien) and their variants */
768 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
771 avio_wb32(pb, 24); /* size */
772 ffio_wfourcc(pb, "ACLR");
773 ffio_wfourcc(pb, "ACLR");
774 ffio_wfourcc(pb, "0001");
775 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
776 avio_wb32(pb, 0); /* unknown */
778 avio_wb32(pb, 24); /* size */
779 ffio_wfourcc(pb, "APRG");
780 ffio_wfourcc(pb, "APRG");
781 ffio_wfourcc(pb, "0001");
782 avio_wb32(pb, 1); /* unknown */
783 avio_wb32(pb, 0); /* unknown */
785 avio_wb32(pb, 120); /* size */
786 ffio_wfourcc(pb, "ARES");
787 ffio_wfourcc(pb, "ARES");
788 ffio_wfourcc(pb, "0001");
789 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
790 avio_wb32(pb, track->enc->width);
791 /* values below are based on samples created with quicktime and avid codecs */
792 if (track->vos_data[5] & 2) { // interlaced
793 avio_wb32(pb, track->enc->height / 2);
794 avio_wb32(pb, 2); /* unknown */
795 avio_wb32(pb, 0); /* unknown */
796 avio_wb32(pb, 4); /* unknown */
798 avio_wb32(pb, track->enc->height);
799 avio_wb32(pb, 1); /* unknown */
800 avio_wb32(pb, 0); /* unknown */
801 if (track->enc->height == 1080)
802 avio_wb32(pb, 5); /* unknown */
804 avio_wb32(pb, 6); /* unknown */
807 for (i = 0; i < 10; i++)
810 /* extra padding for stsd needed */
815 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
817 int tag = track->enc->codec_tag;
819 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
822 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
823 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
824 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
825 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
826 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
827 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
828 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
833 static const AVCodecTag codec_ipod_tags[] = {
834 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
835 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
836 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
837 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
838 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
839 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
840 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
841 { AV_CODEC_ID_NONE, 0 },
844 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
846 int tag = track->enc->codec_tag;
848 // keep original tag for subs, ipod supports both formats
849 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
850 (tag == MKTAG('t', 'x', '3', 'g') ||
851 tag == MKTAG('t', 'e', 'x', 't'))))
852 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
854 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
855 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
856 "Quicktime/Ipod might not play the file\n");
861 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
865 if (track->enc->width == 720) { /* SD */
866 if (track->enc->height == 480) { /* NTSC */
867 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
868 else tag = MKTAG('d','v','c',' ');
869 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
870 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
871 else tag = MKTAG('d','v','p','p');
872 } else if (track->enc->height == 720) { /* HD 720 line */
873 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
874 else tag = MKTAG('d','v','h','p');
875 } else if (track->enc->height == 1080) { /* HD 1080 line */
876 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
877 else tag = MKTAG('d','v','h','6');
879 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
886 static const struct {
887 enum AVPixelFormat pix_fmt;
890 } mov_pix_fmt_tags[] = {
891 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
892 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
893 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
894 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
895 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
896 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
897 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
898 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
899 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
900 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
901 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
902 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
903 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
904 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
905 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
908 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
910 int tag = track->enc->codec_tag;
913 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
914 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
915 tag = mov_pix_fmt_tags[i].tag;
916 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
917 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
925 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
927 int tag = track->enc->codec_tag;
929 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
930 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
931 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
932 track->enc->codec_id == AV_CODEC_ID_H263 ||
933 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
934 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
935 tag = mov_get_dv_codec_tag(s, track);
936 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
937 tag = mov_get_rawvideo_codec_tag(s, track);
938 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
939 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
940 if (!tag) { // if no mac fcc found, try with Microsoft tags
941 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
943 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
944 "the file may be unplayable!\n");
946 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
947 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
948 if (!tag) { // if no mac fcc found, try with Microsoft tags
949 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
951 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
952 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
953 "the file may be unplayable!\n");
956 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
957 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
963 static const AVCodecTag codec_3gp_tags[] = {
964 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
965 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
966 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
967 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
968 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
969 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
970 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
971 { AV_CODEC_ID_NONE, 0 },
974 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
975 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
976 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
977 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
978 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
979 { AV_CODEC_ID_NONE, 0 },
982 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
986 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
987 tag = mp4_get_codec_tag(s, track);
988 else if (track->mode == MODE_ISM) {
989 tag = mp4_get_codec_tag(s, track);
990 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
991 tag = MKTAG('w', 'm', 'a', ' ');
992 } else if (track->mode == MODE_IPOD)
993 tag = ipod_get_codec_tag(s, track);
994 else if (track->mode & MODE_3GP)
995 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
996 else if (track->mode & MODE_F4V)
997 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
999 tag = mov_get_codec_tag(s, track);
1004 /** Write uuid atom.
1005 * Needed to make file play in iPods running newest firmware
1006 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1008 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1011 ffio_wfourcc(pb, "uuid");
1012 avio_wb32(pb, 0x6b6840f2);
1013 avio_wb32(pb, 0x5f244fc5);
1014 avio_wb32(pb, 0xba39a51b);
1015 avio_wb32(pb, 0xcf0323f3);
1020 static const uint16_t fiel_data[] = {
1021 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1024 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1026 unsigned mov_field_order = 0;
1027 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1028 mov_field_order = fiel_data[track->enc->field_order];
1032 ffio_wfourcc(pb, "fiel");
1033 avio_wb16(pb, mov_field_order);
1037 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1039 int64_t pos = avio_tell(pb);
1040 avio_wb32(pb, 0); /* size */
1041 avio_wl32(pb, track->tag); // store it byteswapped
1042 avio_wb32(pb, 0); /* Reserved */
1043 avio_wb16(pb, 0); /* Reserved */
1044 avio_wb16(pb, 1); /* Data-reference index */
1046 if (track->enc->extradata_size)
1047 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1049 return update_size(pb, pos);
1052 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1055 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1056 track->enc->sample_aspect_ratio.den, INT_MAX);
1059 ffio_wfourcc(pb, "pasp");
1060 avio_wb32(pb, sar.num);
1061 avio_wb32(pb, sar.den);
1065 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1067 int64_t pos = avio_tell(pb);
1068 char compressor_name[32] = { 0 };
1070 avio_wb32(pb, 0); /* size */
1071 avio_wl32(pb, track->tag); // store it byteswapped
1072 avio_wb32(pb, 0); /* Reserved */
1073 avio_wb16(pb, 0); /* Reserved */
1074 avio_wb16(pb, 1); /* Data-reference index */
1076 avio_wb16(pb, 0); /* Codec stream version */
1077 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1078 if (track->mode == MODE_MOV) {
1079 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1080 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1081 avio_wb32(pb, 0); /* Temporal Quality */
1082 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1084 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1085 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1088 avio_wb32(pb, 0); /* Reserved */
1089 avio_wb32(pb, 0); /* Reserved */
1090 avio_wb32(pb, 0); /* Reserved */
1092 avio_wb16(pb, track->enc->width); /* Video width */
1093 avio_wb16(pb, track->height); /* Video height */
1094 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1095 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1096 avio_wb32(pb, 0); /* Data size (= 0) */
1097 avio_wb16(pb, 1); /* Frame count (= 1) */
1099 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1100 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1101 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1102 avio_w8(pb, strlen(compressor_name));
1103 avio_write(pb, compressor_name, 31);
1105 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1106 avio_wb16(pb, track->enc->bits_per_coded_sample);
1108 avio_wb16(pb, 0x18); /* Reserved */
1109 avio_wb16(pb, 0xffff); /* Reserved */
1110 if (track->tag == MKTAG('m','p','4','v'))
1111 mov_write_esds_tag(pb, track);
1112 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1113 mov_write_d263_tag(pb);
1114 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1115 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1116 mov_write_extradata_tag(pb, track);
1118 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1119 mov_write_avid_tag(pb, track);
1120 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1121 mov_write_avcc_tag(pb, track);
1122 if (track->mode == MODE_IPOD)
1123 mov_write_uuid_tag_ipod(pb);
1124 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1125 mov_write_dvc1_tag(pb, track);
1126 else if (track->vos_len > 0)
1127 mov_write_glbl_tag(pb, track);
1129 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1130 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1131 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1132 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1133 mov_write_fiel_tag(pb, track);
1135 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1136 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1137 mov_write_pasp_tag(pb, track);
1140 return update_size(pb, pos);
1143 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1145 int64_t pos = avio_tell(pb);
1146 avio_wb32(pb, 0); /* size */
1147 ffio_wfourcc(pb, "rtp ");
1148 avio_wb32(pb, 0); /* Reserved */
1149 avio_wb16(pb, 0); /* Reserved */
1150 avio_wb16(pb, 1); /* Data-reference index */
1152 avio_wb16(pb, 1); /* Hint track version */
1153 avio_wb16(pb, 1); /* Highest compatible version */
1154 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1156 avio_wb32(pb, 12); /* size */
1157 ffio_wfourcc(pb, "tims");
1158 avio_wb32(pb, track->timescale);
1160 return update_size(pb, pos);
1163 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1165 int64_t pos = avio_tell(pb);
1167 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1168 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1170 if (nb_frames > 255) {
1171 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1172 return AVERROR(EINVAL);
1175 avio_wb32(pb, 0); /* size */
1176 ffio_wfourcc(pb, "tmcd"); /* Data format */
1177 avio_wb32(pb, 0); /* Reserved */
1178 avio_wb32(pb, 1); /* Data reference index */
1179 avio_wb32(pb, 0); /* Flags */
1180 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1181 avio_wb32(pb, track->timescale); /* Timescale */
1182 avio_wb32(pb, frame_duration); /* Frame duration */
1183 avio_w8(pb, nb_frames); /* Number of frames */
1184 avio_wb24(pb, 0); /* Reserved */
1185 /* TODO: source reference string */
1188 avio_wb32(pb, 0); /* size */
1189 ffio_wfourcc(pb, "tmcd"); /* Data format */
1190 avio_wb32(pb, 0); /* Reserved */
1191 avio_wb32(pb, 1); /* Data reference index */
1192 if (track->enc->extradata_size)
1193 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1195 return update_size(pb, pos);
1198 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1200 int64_t pos = avio_tell(pb);
1201 avio_wb32(pb, 0); /* size */
1202 ffio_wfourcc(pb, "stsd");
1203 avio_wb32(pb, 0); /* version & flags */
1204 avio_wb32(pb, 1); /* entry count */
1205 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1206 mov_write_video_tag(pb, track);
1207 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1208 mov_write_audio_tag(pb, track);
1209 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1210 mov_write_subtitle_tag(pb, track);
1211 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1212 mov_write_rtp_tag(pb, track);
1213 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1214 mov_write_tmcd_tag(pb, track);
1215 return update_size(pb, pos);
1218 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1220 MOVStts *ctts_entries;
1221 uint32_t entries = 0;
1225 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1226 ctts_entries[0].count = 1;
1227 ctts_entries[0].duration = track->cluster[0].cts;
1228 for (i = 1; i < track->entry; i++) {
1229 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1230 ctts_entries[entries].count++; /* compress */
1233 ctts_entries[entries].duration = track->cluster[i].cts;
1234 ctts_entries[entries].count = 1;
1237 entries++; /* last one */
1238 atom_size = 16 + (entries * 8);
1239 avio_wb32(pb, atom_size); /* size */
1240 ffio_wfourcc(pb, "ctts");
1241 avio_wb32(pb, 0); /* version & flags */
1242 avio_wb32(pb, entries); /* entry count */
1243 for (i = 0; i < entries; i++) {
1244 avio_wb32(pb, ctts_entries[i].count);
1245 avio_wb32(pb, ctts_entries[i].duration);
1247 av_free(ctts_entries);
1251 /* Time to sample atom */
1252 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1254 MOVStts *stts_entries;
1255 uint32_t entries = -1;
1259 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1260 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1261 stts_entries[0].count = track->sample_count;
1262 stts_entries[0].duration = 1;
1265 stts_entries = track->entry ?
1266 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1268 for (i = 0; i < track->entry; i++) {
1269 int duration = get_cluster_duration(track, i);
1270 if (i && duration == stts_entries[entries].duration) {
1271 stts_entries[entries].count++; /* compress */
1274 stts_entries[entries].duration = duration;
1275 stts_entries[entries].count = 1;
1278 entries++; /* last one */
1280 atom_size = 16 + (entries * 8);
1281 avio_wb32(pb, atom_size); /* size */
1282 ffio_wfourcc(pb, "stts");
1283 avio_wb32(pb, 0); /* version & flags */
1284 avio_wb32(pb, entries); /* entry count */
1285 for (i = 0; i < entries; i++) {
1286 avio_wb32(pb, stts_entries[i].count);
1287 avio_wb32(pb, stts_entries[i].duration);
1289 av_free(stts_entries);
1293 static int mov_write_dref_tag(AVIOContext *pb)
1295 avio_wb32(pb, 28); /* size */
1296 ffio_wfourcc(pb, "dref");
1297 avio_wb32(pb, 0); /* version & flags */
1298 avio_wb32(pb, 1); /* entry count */
1300 avio_wb32(pb, 0xc); /* size */
1301 //FIXME add the alis and rsrc atom
1302 ffio_wfourcc(pb, "url ");
1303 avio_wb32(pb, 1); /* version & flags */
1308 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1310 int64_t pos = avio_tell(pb);
1311 avio_wb32(pb, 0); /* size */
1312 ffio_wfourcc(pb, "stbl");
1313 mov_write_stsd_tag(pb, track);
1314 mov_write_stts_tag(pb, track);
1315 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1316 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1317 track->has_keyframes && track->has_keyframes < track->entry)
1318 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1319 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1320 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1321 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1322 track->flags & MOV_TRACK_CTTS)
1323 mov_write_ctts_tag(pb, track);
1324 mov_write_stsc_tag(pb, track);
1325 mov_write_stsz_tag(pb, track);
1326 mov_write_stco_tag(pb, track);
1327 return update_size(pb, pos);
1330 static int mov_write_dinf_tag(AVIOContext *pb)
1332 int64_t pos = avio_tell(pb);
1333 avio_wb32(pb, 0); /* size */
1334 ffio_wfourcc(pb, "dinf");
1335 mov_write_dref_tag(pb);
1336 return update_size(pb, pos);
1339 static int mov_write_nmhd_tag(AVIOContext *pb)
1342 ffio_wfourcc(pb, "nmhd");
1347 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1349 int64_t pos = avio_tell(pb);
1350 const char *font = "Lucida Grande";
1351 avio_wb32(pb, 0); /* size */
1352 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1353 avio_wb32(pb, 0); /* version & flags */
1354 avio_wb16(pb, 0); /* text font */
1355 avio_wb16(pb, 0); /* text face */
1356 avio_wb16(pb, 12); /* text size */
1357 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1358 avio_wb16(pb, 0x0000); /* text color (red) */
1359 avio_wb16(pb, 0x0000); /* text color (green) */
1360 avio_wb16(pb, 0x0000); /* text color (blue) */
1361 avio_wb16(pb, 0xffff); /* background color (red) */
1362 avio_wb16(pb, 0xffff); /* background color (green) */
1363 avio_wb16(pb, 0xffff); /* background color (blue) */
1364 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1365 avio_write(pb, font, strlen(font)); /* font name */
1366 return update_size(pb, pos);
1369 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1371 int64_t pos = avio_tell(pb);
1372 avio_wb32(pb, 0); /* size */
1373 ffio_wfourcc(pb, "gmhd");
1374 avio_wb32(pb, 0x18); /* gmin size */
1375 ffio_wfourcc(pb, "gmin");/* generic media info */
1376 avio_wb32(pb, 0); /* version & flags */
1377 avio_wb16(pb, 0x40); /* graphics mode = */
1378 avio_wb16(pb, 0x8000); /* opColor (r?) */
1379 avio_wb16(pb, 0x8000); /* opColor (g?) */
1380 avio_wb16(pb, 0x8000); /* opColor (b?) */
1381 avio_wb16(pb, 0); /* balance */
1382 avio_wb16(pb, 0); /* reserved */
1385 * This special text atom is required for
1386 * Apple Quicktime chapters. The contents
1387 * don't appear to be documented, so the
1388 * bytes are copied verbatim.
1390 if (track->tag != MKTAG('c','6','0','8')) {
1391 avio_wb32(pb, 0x2C); /* size */
1392 ffio_wfourcc(pb, "text");
1393 avio_wb16(pb, 0x01);
1394 avio_wb32(pb, 0x00);
1395 avio_wb32(pb, 0x00);
1396 avio_wb32(pb, 0x00);
1397 avio_wb32(pb, 0x01);
1398 avio_wb32(pb, 0x00);
1399 avio_wb32(pb, 0x00);
1400 avio_wb32(pb, 0x00);
1401 avio_wb32(pb, 0x00004000);
1402 avio_wb16(pb, 0x0000);
1405 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1406 int64_t tmcd_pos = avio_tell(pb);
1407 avio_wb32(pb, 0); /* size */
1408 ffio_wfourcc(pb, "tmcd");
1409 mov_write_tcmi_tag(pb, track);
1410 update_size(pb, tmcd_pos);
1412 return update_size(pb, pos);
1415 static int mov_write_smhd_tag(AVIOContext *pb)
1417 avio_wb32(pb, 16); /* size */
1418 ffio_wfourcc(pb, "smhd");
1419 avio_wb32(pb, 0); /* version & flags */
1420 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1421 avio_wb16(pb, 0); /* reserved */
1425 static int mov_write_vmhd_tag(AVIOContext *pb)
1427 avio_wb32(pb, 0x14); /* size (always 0x14) */
1428 ffio_wfourcc(pb, "vmhd");
1429 avio_wb32(pb, 0x01); /* version & flags */
1430 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1434 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1436 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1437 int64_t pos = avio_tell(pb);
1441 descr = "DataHandler";
1444 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1445 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1447 descr = "VideoHandler";
1448 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1450 descr = "SoundHandler";
1451 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1452 if (track->tag == MKTAG('c','6','0','8')) {
1454 descr = "ClosedCaptionHandler";
1456 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1457 else hdlr_type = "text";
1458 descr = "SubtitleHandler";
1460 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1462 descr = "HintHandler";
1463 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1465 descr = "TimeCodeHandler";
1468 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1469 track->enc->codec_tag);
1471 av_log(track->enc, AV_LOG_WARNING,
1472 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1473 tag_buf, track->enc->codec_tag);
1477 avio_wb32(pb, 0); /* size */
1478 ffio_wfourcc(pb, "hdlr");
1479 avio_wb32(pb, 0); /* Version & flags */
1480 avio_write(pb, hdlr, 4); /* handler */
1481 ffio_wfourcc(pb, hdlr_type); /* handler type */
1482 avio_wb32(pb, 0); /* reserved */
1483 avio_wb32(pb, 0); /* reserved */
1484 avio_wb32(pb, 0); /* reserved */
1485 if (!track || track->mode == MODE_MOV)
1486 avio_w8(pb, strlen(descr)); /* pascal string */
1487 avio_write(pb, descr, strlen(descr)); /* handler description */
1488 if (track && track->mode != MODE_MOV)
1489 avio_w8(pb, 0); /* c string */
1490 return update_size(pb, pos);
1493 static int mov_write_hmhd_tag(AVIOContext *pb)
1495 /* This atom must be present, but leaving the values at zero
1496 * seems harmless. */
1497 avio_wb32(pb, 28); /* size */
1498 ffio_wfourcc(pb, "hmhd");
1499 avio_wb32(pb, 0); /* version, flags */
1500 avio_wb16(pb, 0); /* maxPDUsize */
1501 avio_wb16(pb, 0); /* avgPDUsize */
1502 avio_wb32(pb, 0); /* maxbitrate */
1503 avio_wb32(pb, 0); /* avgbitrate */
1504 avio_wb32(pb, 0); /* reserved */
1508 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1510 int64_t pos = avio_tell(pb);
1511 avio_wb32(pb, 0); /* size */
1512 ffio_wfourcc(pb, "minf");
1513 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1514 mov_write_vmhd_tag(pb);
1515 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1516 mov_write_smhd_tag(pb);
1517 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1518 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1519 mov_write_gmhd_tag(pb, track);
1521 mov_write_nmhd_tag(pb);
1523 } else if (track->tag == MKTAG('r','t','p',' ')) {
1524 mov_write_hmhd_tag(pb);
1525 } else if (track->tag == MKTAG('t','m','c','d')) {
1526 mov_write_gmhd_tag(pb, track);
1528 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1529 mov_write_hdlr_tag(pb, NULL);
1530 mov_write_dinf_tag(pb);
1531 mov_write_stbl_tag(pb, track);
1532 return update_size(pb, pos);
1535 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1537 int version = track->track_duration < INT32_MAX ? 0 : 1;
1539 if (track->mode == MODE_ISM)
1542 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1543 ffio_wfourcc(pb, "mdhd");
1544 avio_w8(pb, version);
1545 avio_wb24(pb, 0); /* flags */
1547 avio_wb64(pb, track->time);
1548 avio_wb64(pb, track->time);
1550 avio_wb32(pb, track->time); /* creation time */
1551 avio_wb32(pb, track->time); /* modification time */
1553 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1555 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1557 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1558 avio_wb16(pb, track->language); /* language */
1559 avio_wb16(pb, 0); /* reserved (quality) */
1561 if (version != 0 && track->mode == MODE_MOV) {
1562 av_log(NULL, AV_LOG_ERROR,
1563 "FATAL error, file duration too long for timebase, this file will not be\n"
1564 "playable with quicktime. Choose a different timebase or a different\n"
1565 "container format\n");
1571 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1573 int64_t pos = avio_tell(pb);
1574 avio_wb32(pb, 0); /* size */
1575 ffio_wfourcc(pb, "mdia");
1576 mov_write_mdhd_tag(pb, track);
1577 mov_write_hdlr_tag(pb, track);
1578 mov_write_minf_tag(pb, track);
1579 return update_size(pb, pos);
1582 /* transformation matrix
1586 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1587 int16_t d, int16_t tx, int16_t ty)
1589 avio_wb32(pb, a << 16); /* 16.16 format */
1590 avio_wb32(pb, b << 16); /* 16.16 format */
1591 avio_wb32(pb, 0); /* u in 2.30 format */
1592 avio_wb32(pb, c << 16); /* 16.16 format */
1593 avio_wb32(pb, d << 16); /* 16.16 format */
1594 avio_wb32(pb, 0); /* v in 2.30 format */
1595 avio_wb32(pb, tx << 16); /* 16.16 format */
1596 avio_wb32(pb, ty << 16); /* 16.16 format */
1597 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1600 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1602 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1603 track->timescale, AV_ROUND_UP);
1604 int version = duration < INT32_MAX ? 0 : 1;
1607 if (track->mode == MODE_ISM)
1610 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1611 ffio_wfourcc(pb, "tkhd");
1612 avio_w8(pb, version);
1613 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1614 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1615 MOV_TKHD_FLAG_IN_MOVIE);
1617 avio_wb64(pb, track->time);
1618 avio_wb64(pb, track->time);
1620 avio_wb32(pb, track->time); /* creation time */
1621 avio_wb32(pb, track->time); /* modification time */
1623 avio_wb32(pb, track->track_id); /* track-id */
1624 avio_wb32(pb, 0); /* reserved */
1626 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1628 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1630 avio_wb32(pb, 0); /* reserved */
1631 avio_wb32(pb, 0); /* reserved */
1632 avio_wb16(pb, 0); /* layer */
1633 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1634 /* Volume, only for audio */
1635 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1636 avio_wb16(pb, 0x0100);
1639 avio_wb16(pb, 0); /* reserved */
1641 /* Matrix structure */
1642 if (st && st->metadata) {
1643 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1644 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1646 if (rotation == 90) {
1647 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1648 } else if (rotation == 180) {
1649 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1650 } else if (rotation == 270) {
1651 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1653 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1655 /* Track width and height, for visual only */
1656 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1657 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1658 if (track->mode == MODE_MOV) {
1659 avio_wb32(pb, track->enc->width << 16);
1660 avio_wb32(pb, track->height << 16);
1662 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1663 if (!sample_aspect_ratio || track->height != track->enc->height)
1664 sample_aspect_ratio = 1;
1665 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1666 avio_wb32(pb, track->height * 0x10000);
1675 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1677 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1678 track->enc->sample_aspect_ratio.den);
1680 int64_t pos = avio_tell(pb);
1682 avio_wb32(pb, 0); /* size */
1683 ffio_wfourcc(pb, "tapt");
1686 ffio_wfourcc(pb, "clef");
1688 avio_wb32(pb, width << 16);
1689 avio_wb32(pb, track->enc->height << 16);
1692 ffio_wfourcc(pb, "prof");
1694 avio_wb32(pb, width << 16);
1695 avio_wb32(pb, track->enc->height << 16);
1698 ffio_wfourcc(pb, "enof");
1700 avio_wb32(pb, track->enc->width << 16);
1701 avio_wb32(pb, track->enc->height << 16);
1703 return update_size(pb, pos);
1706 // This box seems important for the psp playback ... without it the movie seems to hang
1707 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1709 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1710 track->timescale, AV_ROUND_UP);
1711 int version = duration < INT32_MAX ? 0 : 1;
1712 int entry_size, entry_count, size;
1713 int64_t delay, start_ct = track->cluster[0].cts;
1714 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1715 track->timescale, AV_ROUND_DOWN);
1716 version |= delay < INT32_MAX ? 0 : 1;
1718 entry_size = (version == 1) ? 20 : 12;
1719 entry_count = 1 + (delay > 0);
1720 size = 24 + entry_count * entry_size;
1722 /* write the atom data */
1723 avio_wb32(pb, size);
1724 ffio_wfourcc(pb, "edts");
1725 avio_wb32(pb, size - 8);
1726 ffio_wfourcc(pb, "elst");
1727 avio_w8(pb, version);
1728 avio_wb24(pb, 0); /* flags */
1730 avio_wb32(pb, entry_count);
1731 if (delay > 0) { /* add an empty edit to delay presentation */
1733 avio_wb64(pb, delay);
1736 avio_wb32(pb, delay);
1739 avio_wb32(pb, 0x00010000);
1741 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1742 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1748 avio_wb64(pb, duration);
1749 avio_wb64(pb, start_ct);
1751 avio_wb32(pb, duration);
1752 avio_wb32(pb, start_ct);
1754 avio_wb32(pb, 0x00010000);
1758 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1760 avio_wb32(pb, 20); // size
1761 ffio_wfourcc(pb, "tref");
1762 avio_wb32(pb, 12); // size (subatom)
1763 avio_wl32(pb, track->tref_tag);
1764 avio_wb32(pb, track->tref_id);
1768 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1769 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1771 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1772 ffio_wfourcc(pb, "uuid");
1773 ffio_wfourcc(pb, "USMT");
1774 avio_wb32(pb, 0x21d24fce);
1775 avio_wb32(pb, 0xbb88695c);
1776 avio_wb32(pb, 0xfac9c740);
1777 avio_wb32(pb, 0x1c); // another size here!
1778 ffio_wfourcc(pb, "MTDT");
1779 avio_wb32(pb, 0x00010012);
1780 avio_wb32(pb, 0x0a);
1781 avio_wb32(pb, 0x55c40000);
1787 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1789 AVFormatContext *ctx = track->rtp_ctx;
1790 char buf[1000] = "";
1793 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1794 NULL, NULL, 0, 0, ctx);
1795 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1798 avio_wb32(pb, len + 24);
1799 ffio_wfourcc(pb, "udta");
1800 avio_wb32(pb, len + 16);
1801 ffio_wfourcc(pb, "hnti");
1802 avio_wb32(pb, len + 8);
1803 ffio_wfourcc(pb, "sdp ");
1804 avio_write(pb, buf, len);
1808 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1809 MOVTrack *track, AVStream *st)
1811 int64_t pos = avio_tell(pb);
1812 avio_wb32(pb, 0); /* size */
1813 ffio_wfourcc(pb, "trak");
1814 mov_write_tkhd_tag(pb, track, st);
1815 if (supports_edts(mov))
1816 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1817 if (track->tref_tag)
1818 mov_write_tref_tag(pb, track);
1819 mov_write_mdia_tag(pb, track);
1820 if (track->mode == MODE_PSP)
1821 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1822 if (track->tag == MKTAG('r','t','p',' '))
1823 mov_write_udta_sdp(pb, track);
1824 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1825 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1826 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1827 mov_write_tapt_tag(pb, track);
1829 return update_size(pb, pos);
1832 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1834 int i, has_audio = 0, has_video = 0;
1835 int64_t pos = avio_tell(pb);
1836 int audio_profile = mov->iods_audio_profile;
1837 int video_profile = mov->iods_video_profile;
1838 for (i = 0; i < mov->nb_streams; i++) {
1839 if (mov->tracks[i].entry > 0) {
1840 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1841 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1844 if (audio_profile < 0)
1845 audio_profile = 0xFF - has_audio;
1846 if (video_profile < 0)
1847 video_profile = 0xFF - has_video;
1848 avio_wb32(pb, 0x0); /* size */
1849 ffio_wfourcc(pb, "iods");
1850 avio_wb32(pb, 0); /* version & flags */
1851 put_descr(pb, 0x10, 7);
1852 avio_wb16(pb, 0x004f);
1855 avio_w8(pb, audio_profile);
1856 avio_w8(pb, video_profile);
1858 return update_size(pb, pos);
1861 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1863 avio_wb32(pb, 0x20); /* size */
1864 ffio_wfourcc(pb, "trex");
1865 avio_wb32(pb, 0); /* version & flags */
1866 avio_wb32(pb, track->track_id); /* track ID */
1867 avio_wb32(pb, 1); /* default sample description index */
1868 avio_wb32(pb, 0); /* default sample duration */
1869 avio_wb32(pb, 0); /* default sample size */
1870 avio_wb32(pb, 0); /* default sample flags */
1874 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1876 int64_t pos = avio_tell(pb);
1878 avio_wb32(pb, 0x0); /* size */
1879 ffio_wfourcc(pb, "mvex");
1880 for (i = 0; i < mov->nb_streams; i++)
1881 mov_write_trex_tag(pb, &mov->tracks[i]);
1882 return update_size(pb, pos);
1885 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1887 int max_track_id = 1, i;
1888 int64_t max_track_len_temp, max_track_len = 0;
1891 for (i = 0; i < mov->nb_streams; i++) {
1892 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1893 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1895 mov->tracks[i].timescale,
1897 if (max_track_len < max_track_len_temp)
1898 max_track_len = max_track_len_temp;
1899 if (max_track_id < mov->tracks[i].track_id)
1900 max_track_id = mov->tracks[i].track_id;
1904 version = max_track_len < UINT32_MAX ? 0 : 1;
1905 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1906 ffio_wfourcc(pb, "mvhd");
1907 avio_w8(pb, version);
1908 avio_wb24(pb, 0); /* flags */
1910 avio_wb64(pb, mov->time);
1911 avio_wb64(pb, mov->time);
1913 avio_wb32(pb, mov->time); /* creation time */
1914 avio_wb32(pb, mov->time); /* modification time */
1916 avio_wb32(pb, MOV_TIMESCALE);
1917 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1919 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1920 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1921 avio_wb16(pb, 0); /* reserved */
1922 avio_wb32(pb, 0); /* reserved */
1923 avio_wb32(pb, 0); /* reserved */
1925 /* Matrix structure */
1926 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1928 avio_wb32(pb, 0); /* reserved (preview time) */
1929 avio_wb32(pb, 0); /* reserved (preview duration) */
1930 avio_wb32(pb, 0); /* reserved (poster time) */
1931 avio_wb32(pb, 0); /* reserved (selection time) */
1932 avio_wb32(pb, 0); /* reserved (selection duration) */
1933 avio_wb32(pb, 0); /* reserved (current time) */
1934 avio_wb32(pb, max_track_id + 1); /* Next track id */
1938 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1941 avio_wb32(pb, 33); /* size */
1942 ffio_wfourcc(pb, "hdlr");
1945 ffio_wfourcc(pb, "mdir");
1946 ffio_wfourcc(pb, "appl");
1953 /* helper function to write a data tag with the specified string as data */
1954 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1957 int size = 16 + strlen(data);
1958 avio_wb32(pb, size); /* size */
1959 ffio_wfourcc(pb, "data");
1962 avio_write(pb, data, strlen(data));
1966 lang = ff_mov_iso639_to_lang("und", 1);
1967 avio_wb16(pb, strlen(data)); /* string length */
1968 avio_wb16(pb, lang);
1969 avio_write(pb, data, strlen(data));
1970 return strlen(data) + 4;
1974 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1975 const char *value, int lang, int long_style)
1978 if (value && value[0]) {
1979 int64_t pos = avio_tell(pb);
1980 avio_wb32(pb, 0); /* size */
1981 ffio_wfourcc(pb, name);
1982 mov_write_string_data_tag(pb, value, lang, long_style);
1983 size = update_size(pb, pos);
1988 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1989 const char *name, const char *tag,
1992 int l, lang = 0, len, len2;
1993 AVDictionaryEntry *t, *t2 = NULL;
1996 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1999 len = strlen(t->key);
2000 snprintf(tag2, sizeof(tag2), "%s-", tag);
2001 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2002 len2 = strlen(t2->key);
2003 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2004 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2009 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2012 /* iTunes bpm number */
2013 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2015 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2016 int size = 0, tmpo = t ? atoi(t->value) : 0;
2019 avio_wb32(pb, size);
2020 ffio_wfourcc(pb, "tmpo");
2021 avio_wb32(pb, size-8); /* size */
2022 ffio_wfourcc(pb, "data");
2023 avio_wb32(pb, 0x15); //type specifier
2025 avio_wb16(pb, tmpo); // data
2030 /* iTunes track or disc number */
2031 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2032 AVFormatContext *s, int disc)
2034 AVDictionaryEntry *t = av_dict_get(s->metadata,
2035 disc ? "disc" : "track",
2037 int size = 0, track = t ? atoi(t->value) : 0;
2040 char *slash = strchr(t->value, '/');
2042 tracks = atoi(slash + 1);
2043 avio_wb32(pb, 32); /* size */
2044 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2045 avio_wb32(pb, 24); /* size */
2046 ffio_wfourcc(pb, "data");
2047 avio_wb32(pb, 0); // 8 bytes empty
2049 avio_wb16(pb, 0); // empty
2050 avio_wb16(pb, track); // track / disc number
2051 avio_wb16(pb, tracks); // total track / disc number
2052 avio_wb16(pb, 0); // empty
2058 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2059 const char *name, const char *tag,
2062 AVDictionaryEntry *t = NULL;
2064 int size = 24 + len;
2066 if (len != 1 && len != 4)
2069 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2071 num = atoi(t->value);
2073 avio_wb32(pb, size);
2074 ffio_wfourcc(pb, name);
2075 avio_wb32(pb, size - 8);
2076 ffio_wfourcc(pb, "data");
2077 avio_wb32(pb, 0x15);
2079 if (len==4) avio_wb32(pb, num);
2080 else avio_w8 (pb, num);
2085 /* iTunes meta data list */
2086 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2089 int64_t pos = avio_tell(pb);
2090 avio_wb32(pb, 0); /* size */
2091 ffio_wfourcc(pb, "ilst");
2092 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2093 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2094 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2095 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2096 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2097 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2098 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2099 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2100 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2101 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2102 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2103 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2104 mov_write_string_metadata(s, pb, "desc", "description",1);
2105 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2106 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2107 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2108 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2109 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2110 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2111 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2112 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2113 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2114 mov_write_trkn_tag(pb, mov, s, 0); // track number
2115 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2116 mov_write_tmpo_tag(pb, s);
2117 return update_size(pb, pos);
2120 /* iTunes meta data tag */
2121 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2125 int64_t pos = avio_tell(pb);
2126 avio_wb32(pb, 0); /* size */
2127 ffio_wfourcc(pb, "meta");
2129 mov_write_itunes_hdlr_tag(pb, mov, s);
2130 mov_write_ilst_tag(pb, mov, s);
2131 size = update_size(pb, pos);
2135 static int utf8len(const uint8_t *b)
2140 GET_UTF8(val, *b++, return -1;)
2146 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2150 GET_UTF8(val, *b++, return -1;)
2153 avio_wb16(pb, 0x00);
2157 static uint16_t language_code(const char *str)
2159 return (((str[0] - 0x60) & 0x1F) << 10) +
2160 (((str[1] - 0x60) & 0x1F) << 5) +
2161 (( str[2] - 0x60) & 0x1F);
2164 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2165 const char *tag, const char *str)
2167 int64_t pos = avio_tell(pb);
2168 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2169 if (!t || !utf8len(t->value))
2171 avio_wb32(pb, 0); /* size */
2172 ffio_wfourcc(pb, tag); /* type */
2173 avio_wb32(pb, 0); /* version + flags */
2174 if (!strcmp(tag, "yrrc"))
2175 avio_wb16(pb, atoi(t->value));
2177 avio_wb16(pb, language_code("eng")); /* language */
2178 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2179 if (!strcmp(tag, "albm") &&
2180 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2181 avio_w8(pb, atoi(t->value));
2183 return update_size(pb, pos);
2186 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2188 int64_t pos = avio_tell(pb);
2189 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2191 avio_wb32(pb, 0); // size
2192 ffio_wfourcc(pb, "chpl");
2193 avio_wb32(pb, 0x01000000); // version + flags
2194 avio_wb32(pb, 0); // unknown
2195 avio_w8(pb, nb_chapters);
2197 for (i = 0; i < nb_chapters; i++) {
2198 AVChapter *c = s->chapters[i];
2199 AVDictionaryEntry *t;
2200 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2202 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2203 int len = FFMIN(strlen(t->value), 255);
2205 avio_write(pb, t->value, len);
2209 return update_size(pb, pos);
2212 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2215 AVIOContext *pb_buf;
2219 for (i = 0; i < s->nb_streams; i++)
2220 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2224 ret = avio_open_dyn_buf(&pb_buf);
2228 if (mov->mode & MODE_3GP) {
2229 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2230 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2231 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2232 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2233 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2234 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2235 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2236 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2237 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2238 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2239 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2240 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2241 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2242 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2243 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2244 // currently ignored by mov.c
2245 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2246 // add support for libquicktime, this atom is also actually read by mov.c
2247 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2248 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2249 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2251 /* iTunes meta data */
2252 mov_write_meta_tag(pb_buf, mov, s);
2256 mov_write_chpl_tag(pb_buf, s);
2258 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2259 avio_wb32(pb, size + 8);
2260 ffio_wfourcc(pb, "udta");
2261 avio_write(pb, buf, size);
2268 static void mov_write_psp_udta_tag(AVIOContext *pb,
2269 const char *str, const char *lang, int type)
2271 int len = utf8len(str) + 1;
2274 avio_wb16(pb, len * 2 + 10); /* size */
2275 avio_wb32(pb, type); /* type */
2276 avio_wb16(pb, language_code(lang)); /* language */
2277 avio_wb16(pb, 0x01); /* ? */
2278 ascii_to_wc(pb, str);
2281 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2283 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2287 pos = avio_tell(pb);
2288 avio_wb32(pb, 0); /* size placeholder*/
2289 ffio_wfourcc(pb, "uuid");
2290 ffio_wfourcc(pb, "USMT");
2291 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2292 avio_wb32(pb, 0xbb88695c);
2293 avio_wb32(pb, 0xfac9c740);
2295 pos2 = avio_tell(pb);
2296 avio_wb32(pb, 0); /* size placeholder*/
2297 ffio_wfourcc(pb, "MTDT");
2301 avio_wb16(pb, 0x0C); /* size */
2302 avio_wb32(pb, 0x0B); /* type */
2303 avio_wb16(pb, language_code("und")); /* language */
2304 avio_wb16(pb, 0x0); /* ? */
2305 avio_wb16(pb, 0x021C); /* data */
2307 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2308 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2309 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2311 update_size(pb, pos2);
2312 return update_size(pb, pos);
2318 static void build_chunks(MOVTrack *trk)
2321 MOVIentry *chunk = &trk->cluster[0];
2322 uint64_t chunkSize = chunk->size;
2323 chunk->chunkNum = 1;
2324 if (trk->chunkCount)
2326 trk->chunkCount = 1;
2327 for (i = 1; i<trk->entry; i++){
2328 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2329 chunkSize + trk->cluster[i].size < (1<<20)){
2330 chunkSize += trk->cluster[i].size;
2331 chunk->samples_in_chunk += trk->cluster[i].entries;
2333 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2334 chunk=&trk->cluster[i];
2335 chunkSize = chunk->size;
2341 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2345 int64_t pos = avio_tell(pb);
2346 avio_wb32(pb, 0); /* size placeholder*/
2347 ffio_wfourcc(pb, "moov");
2349 for (i = 0; i < mov->nb_streams; i++) {
2350 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2353 mov->tracks[i].time = mov->time;
2354 mov->tracks[i].track_id = i + 1;
2356 if (mov->tracks[i].entry)
2357 build_chunks(&mov->tracks[i]);
2360 if (mov->chapter_track)
2361 for (i = 0; i < s->nb_streams; i++) {
2362 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2363 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2365 for (i = 0; i < mov->nb_streams; i++) {
2366 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2367 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2368 mov->tracks[i].tref_id =
2369 mov->tracks[mov->tracks[i].src_track].track_id;
2372 for (i = 0; i < mov->nb_streams; i++) {
2373 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2374 int src_trk = mov->tracks[i].src_track;
2375 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2376 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2377 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2381 mov_write_mvhd_tag(pb, mov);
2382 if (mov->mode != MODE_MOV && !mov->iods_skip)
2383 mov_write_iods_tag(pb, mov);
2384 for (i = 0; i < mov->nb_streams; i++) {
2385 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2386 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2389 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2390 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2392 if (mov->mode == MODE_PSP)
2393 mov_write_uuidusmt_tag(pb, s);
2395 mov_write_udta_tag(pb, mov, s);
2397 return update_size(pb, pos);
2400 static void param_write_int(AVIOContext *pb, const char *name, int value)
2402 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2405 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2407 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2410 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2413 len = FFMIN(sizeof(buf) / 2 - 1, len);
2414 ff_data_to_hex(buf, value, len, 0);
2415 buf[2 * len] = '\0';
2416 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2419 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2421 int64_t pos = avio_tell(pb);
2423 static const uint8_t uuid[] = {
2424 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2425 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2429 ffio_wfourcc(pb, "uuid");
2430 avio_write(pb, uuid, sizeof(uuid));
2433 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2434 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2435 avio_printf(pb, "<head>\n");
2436 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2438 avio_printf(pb, "</head>\n");
2439 avio_printf(pb, "<body>\n");
2440 avio_printf(pb, "<switch>\n");
2441 for (i = 0; i < mov->nb_streams; i++) {
2442 MOVTrack *track = &mov->tracks[i];
2444 /* track->track_id is initialized in write_moov, and thus isn't known
2446 int track_id = i + 1;
2448 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2450 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2455 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2456 track->enc->bit_rate);
2457 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2458 param_write_int(pb, "trackID", track_id);
2459 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2460 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2462 int size = track->enc->extradata_size;
2463 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2465 param_write_hex(pb, "CodecPrivateData",
2466 ptr ? ptr : track->enc->extradata,
2470 param_write_string(pb, "FourCC", "H264");
2471 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2472 param_write_string(pb, "FourCC", "WVC1");
2473 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2474 track->enc->extradata_size);
2476 param_write_int(pb, "MaxWidth", track->enc->width);
2477 param_write_int(pb, "MaxHeight", track->enc->height);
2478 param_write_int(pb, "DisplayWidth", track->enc->width);
2479 param_write_int(pb, "DisplayHeight", track->enc->height);
2481 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2482 param_write_string(pb, "FourCC", "AACL");
2483 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2484 param_write_string(pb, "FourCC", "WMAP");
2486 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2487 track->enc->extradata_size);
2488 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2489 track->enc->codec_id));
2490 param_write_int(pb, "Channels", track->enc->channels);
2491 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2492 param_write_int(pb, "BitsPerSample", 16);
2493 param_write_int(pb, "PacketSize", track->enc->block_align ?
2494 track->enc->block_align : 4);
2496 avio_printf(pb, "</%s>\n", type);
2498 avio_printf(pb, "</switch>\n");
2499 avio_printf(pb, "</body>\n");
2500 avio_printf(pb, "</smil>\n");
2502 return update_size(pb, pos);
2505 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2508 ffio_wfourcc(pb, "mfhd");
2510 avio_wb32(pb, mov->fragments);
2514 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2515 int64_t moof_offset)
2517 int64_t pos = avio_tell(pb);
2518 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2519 MOV_TFHD_BASE_DATA_OFFSET;
2520 if (!track->entry) {
2521 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2523 flags |= MOV_TFHD_DEFAULT_FLAGS;
2526 /* Don't set a default sample size, the silverlight player refuses
2527 * to play files with that set. Don't set a default sample duration,
2528 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2529 * file format says it MUST NOT be set. */
2530 if (track->mode == MODE_ISM)
2531 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2532 MOV_TFHD_BASE_DATA_OFFSET);
2534 avio_wb32(pb, 0); /* size placeholder */
2535 ffio_wfourcc(pb, "tfhd");
2536 avio_w8(pb, 0); /* version */
2537 avio_wb24(pb, flags);
2539 avio_wb32(pb, track->track_id); /* track-id */
2540 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2541 avio_wb64(pb, moof_offset);
2542 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2543 track->default_duration = get_cluster_duration(track, 0);
2544 avio_wb32(pb, track->default_duration);
2546 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2547 track->default_size = track->entry ? track->cluster[0].size : 1;
2548 avio_wb32(pb, track->default_size);
2550 track->default_size = -1;
2552 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2553 track->default_sample_flags =
2554 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2555 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2556 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2557 avio_wb32(pb, track->default_sample_flags);
2560 return update_size(pb, pos);
2563 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2565 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2566 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2569 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2571 int64_t pos = avio_tell(pb);
2572 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2575 for (i = 0; i < track->entry; i++) {
2576 if (get_cluster_duration(track, i) != track->default_duration)
2577 flags |= MOV_TRUN_SAMPLE_DURATION;
2578 if (track->cluster[i].size != track->default_size)
2579 flags |= MOV_TRUN_SAMPLE_SIZE;
2580 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2581 flags |= MOV_TRUN_SAMPLE_FLAGS;
2583 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2584 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2585 if (track->flags & MOV_TRACK_CTTS)
2586 flags |= MOV_TRUN_SAMPLE_CTS;
2588 avio_wb32(pb, 0); /* size placeholder */
2589 ffio_wfourcc(pb, "trun");
2590 avio_w8(pb, 0); /* version */
2591 avio_wb24(pb, flags);
2593 avio_wb32(pb, track->entry); /* sample count */
2594 track->moof_size_offset = avio_tell(pb);
2595 avio_wb32(pb, 0); /* data offset */
2596 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2597 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2599 for (i = 0; i < track->entry; i++) {
2600 if (flags & MOV_TRUN_SAMPLE_DURATION)
2601 avio_wb32(pb, get_cluster_duration(track, i));
2602 if (flags & MOV_TRUN_SAMPLE_SIZE)
2603 avio_wb32(pb, track->cluster[i].size);
2604 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2605 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2606 if (flags & MOV_TRUN_SAMPLE_CTS)
2607 avio_wb32(pb, track->cluster[i].cts);
2610 return update_size(pb, pos);
2613 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2615 int64_t pos = avio_tell(pb);
2616 static const uint8_t uuid[] = {
2617 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2618 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2621 avio_wb32(pb, 0); /* size placeholder */
2622 ffio_wfourcc(pb, "uuid");
2623 avio_write(pb, uuid, sizeof(uuid));
2626 avio_wb64(pb, track->frag_start);
2627 avio_wb64(pb, track->start_dts + track->track_duration -
2628 track->cluster[0].dts);
2630 return update_size(pb, pos);
2633 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2634 MOVTrack *track, int entry)
2636 int n = track->nb_frag_info - 1 - entry, i;
2637 int size = 8 + 16 + 4 + 1 + 16*n;
2638 static const uint8_t uuid[] = {
2639 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2640 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2646 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2647 avio_wb32(pb, size);
2648 ffio_wfourcc(pb, "uuid");
2649 avio_write(pb, uuid, sizeof(uuid));
2653 for (i = 0; i < n; i++) {
2654 int index = entry + 1 + i;
2655 avio_wb64(pb, track->frag_info[index].time);
2656 avio_wb64(pb, track->frag_info[index].duration);
2658 if (n < mov->ism_lookahead) {
2659 int free_size = 16 * (mov->ism_lookahead - n);
2660 avio_wb32(pb, free_size);
2661 ffio_wfourcc(pb, "free");
2662 ffio_fill(pb, 0, free_size - 8);
2668 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2671 int64_t pos = avio_tell(pb);
2673 for (i = 0; i < mov->ism_lookahead; i++) {
2674 /* Update the tfrf tag for the last ism_lookahead fragments,
2675 * nb_frag_info - 1 is the next fragment to be written. */
2676 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2678 avio_seek(pb, pos, SEEK_SET);
2682 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2683 MOVTrack *track, int64_t moof_offset)
2685 int64_t pos = avio_tell(pb);
2686 avio_wb32(pb, 0); /* size placeholder */
2687 ffio_wfourcc(pb, "traf");
2689 mov_write_tfhd_tag(pb, track, moof_offset);
2690 mov_write_trun_tag(pb, track);
2691 if (mov->mode == MODE_ISM) {
2692 mov_write_tfxd_tag(pb, track);
2694 if (mov->ism_lookahead) {
2695 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2697 track->tfrf_offset = avio_tell(pb);
2698 avio_wb32(pb, 8 + size);
2699 ffio_wfourcc(pb, "free");
2700 for (i = 0; i < size; i++)
2705 return update_size(pb, pos);
2708 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2710 int64_t pos = avio_tell(pb), end;
2713 avio_wb32(pb, 0); /* size placeholder */
2714 ffio_wfourcc(pb, "moof");
2716 mov_write_mfhd_tag(pb, mov);
2717 for (i = 0; i < mov->nb_streams; i++) {
2718 MOVTrack *track = &mov->tracks[i];
2719 if (tracks >= 0 && i != tracks)
2723 mov_write_traf_tag(pb, mov, track, pos);
2726 end = avio_tell(pb);
2727 moof_size = end - pos;
2728 for (i = 0; i < mov->nb_streams; i++) {
2729 MOVTrack *track = &mov->tracks[i];
2730 if (tracks >= 0 && i != tracks)
2734 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2735 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2737 avio_seek(pb, end, SEEK_SET);
2739 return update_size(pb, pos);
2742 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2744 int64_t pos = avio_tell(pb);
2747 avio_wb32(pb, 0); /* size placeholder */
2748 ffio_wfourcc(pb, "tfra");
2749 avio_w8(pb, 1); /* version */
2752 avio_wb32(pb, track->track_id);
2753 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2754 avio_wb32(pb, track->nb_frag_info);
2755 for (i = 0; i < track->nb_frag_info; i++) {
2756 avio_wb64(pb, track->frag_info[i].time);
2757 avio_wb64(pb, track->frag_info[i].offset);
2758 avio_w8(pb, 1); /* traf number */
2759 avio_w8(pb, 1); /* trun number */
2760 avio_w8(pb, 1); /* sample number */
2763 return update_size(pb, pos);
2766 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2768 int64_t pos = avio_tell(pb);
2771 avio_wb32(pb, 0); /* size placeholder */
2772 ffio_wfourcc(pb, "mfra");
2773 /* An empty mfra atom is enough to indicate to the publishing point that
2774 * the stream has ended. */
2775 if (mov->flags & FF_MOV_FLAG_ISML)
2776 return update_size(pb, pos);
2778 for (i = 0; i < mov->nb_streams; i++) {
2779 MOVTrack *track = &mov->tracks[i];
2780 if (track->nb_frag_info)
2781 mov_write_tfra_tag(pb, track);
2785 ffio_wfourcc(pb, "mfro");
2786 avio_wb32(pb, 0); /* version + flags */
2787 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2789 return update_size(pb, pos);
2792 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2794 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2795 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2797 mov->mdat_pos = avio_tell(pb);
2798 avio_wb32(pb, 0); /* size placeholder*/
2799 ffio_wfourcc(pb, "mdat");
2803 /* TODO: This needs to be more general */
2804 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2806 MOVMuxContext *mov = s->priv_data;
2807 int64_t pos = avio_tell(pb);
2808 int has_h264 = 0, has_video = 0;
2812 for (i = 0; i < s->nb_streams; i++) {
2813 AVStream *st = s->streams[i];
2814 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2816 if (st->codec->codec_id == AV_CODEC_ID_H264)
2820 avio_wb32(pb, 0); /* size */
2821 ffio_wfourcc(pb, "ftyp");
2823 if (mov->mode == MODE_3GP) {
2824 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2825 minor = has_h264 ? 0x100 : 0x200;
2826 } else if (mov->mode & MODE_3G2) {
2827 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2828 minor = has_h264 ? 0x20000 : 0x10000;
2829 } else if (mov->mode == MODE_PSP)
2830 ffio_wfourcc(pb, "MSNV");
2831 else if (mov->mode == MODE_MP4)
2832 ffio_wfourcc(pb, "isom");
2833 else if (mov->mode == MODE_IPOD)
2834 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2835 else if (mov->mode == MODE_ISM)
2836 ffio_wfourcc(pb, "isml");
2837 else if (mov->mode == MODE_F4V)
2838 ffio_wfourcc(pb, "f4v ");
2840 ffio_wfourcc(pb, "qt ");
2842 avio_wb32(pb, minor);
2844 if (mov->mode == MODE_MOV)
2845 ffio_wfourcc(pb, "qt ");
2846 else if (mov->mode == MODE_ISM) {
2847 ffio_wfourcc(pb, "piff");
2848 ffio_wfourcc(pb, "iso2");
2850 ffio_wfourcc(pb, "isom");
2851 ffio_wfourcc(pb, "iso2");
2853 ffio_wfourcc(pb, "avc1");
2856 if (mov->mode == MODE_3GP)
2857 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2858 else if (mov->mode & MODE_3G2)
2859 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2860 else if (mov->mode == MODE_PSP)
2861 ffio_wfourcc(pb, "MSNV");
2862 else if (mov->mode == MODE_MP4)
2863 ffio_wfourcc(pb, "mp41");
2864 return update_size(pb, pos);
2867 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2869 AVCodecContext *video_codec = s->streams[0]->codec;
2870 AVCodecContext *audio_codec = s->streams[1]->codec;
2871 int audio_rate = audio_codec->sample_rate;
2872 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2873 int audio_kbitrate = audio_codec->bit_rate / 1000;
2874 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2876 avio_wb32(pb, 0x94); /* size */
2877 ffio_wfourcc(pb, "uuid");
2878 ffio_wfourcc(pb, "PROF");
2880 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2881 avio_wb32(pb, 0xbb88695c);
2882 avio_wb32(pb, 0xfac9c740);
2884 avio_wb32(pb, 0x0); /* ? */
2885 avio_wb32(pb, 0x3); /* 3 sections ? */
2887 avio_wb32(pb, 0x14); /* size */
2888 ffio_wfourcc(pb, "FPRF");
2889 avio_wb32(pb, 0x0); /* ? */
2890 avio_wb32(pb, 0x0); /* ? */
2891 avio_wb32(pb, 0x0); /* ? */
2893 avio_wb32(pb, 0x2c); /* size */
2894 ffio_wfourcc(pb, "APRF"); /* audio */
2896 avio_wb32(pb, 0x2); /* TrackID */
2897 ffio_wfourcc(pb, "mp4a");
2898 avio_wb32(pb, 0x20f);
2900 avio_wb32(pb, audio_kbitrate);
2901 avio_wb32(pb, audio_kbitrate);
2902 avio_wb32(pb, audio_rate);
2903 avio_wb32(pb, audio_codec->channels);
2905 avio_wb32(pb, 0x34); /* size */
2906 ffio_wfourcc(pb, "VPRF"); /* video */
2908 avio_wb32(pb, 0x1); /* TrackID */
2909 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2910 ffio_wfourcc(pb, "avc1");
2911 avio_wb16(pb, 0x014D);
2912 avio_wb16(pb, 0x0015);
2914 ffio_wfourcc(pb, "mp4v");
2915 avio_wb16(pb, 0x0000);
2916 avio_wb16(pb, 0x0103);
2919 avio_wb32(pb, video_kbitrate);
2920 avio_wb32(pb, video_kbitrate);
2921 avio_wb32(pb, frame_rate);
2922 avio_wb32(pb, frame_rate);
2923 avio_wb16(pb, video_codec->width);
2924 avio_wb16(pb, video_codec->height);
2925 avio_wb32(pb, 0x010001); /* ? */
2928 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2931 int i, closed_gop = 0;
2933 for (i = 0; i < pkt->size - 4; i++) {
2934 c = (c << 8) + pkt->data[i];
2935 if (c == 0x1b8) { // gop
2936 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2937 } else if (c == 0x100) { // pic
2938 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
2939 if (!temp_ref || closed_gop) // I picture is not reordered
2940 *flags = MOV_SYNC_SAMPLE;
2942 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2949 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2951 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2952 int seq = 0, entry = 0;
2953 int key = pkt->flags & AV_PKT_FLAG_KEY;
2954 start = find_next_marker(pkt->data, end);
2955 for (next = start; next < end; start = next) {
2956 next = find_next_marker(start + 4, end);
2957 switch (AV_RB32(start)) {
2958 case VC1_CODE_SEQHDR:
2961 case VC1_CODE_ENTRYPOINT:
2964 case VC1_CODE_SLICE:
2965 trk->vc1_info.slices = 1;
2969 if (!trk->entry && !fragment) {
2970 /* First packet in first fragment */
2971 trk->vc1_info.first_packet_seq = seq;
2972 trk->vc1_info.first_packet_entry = entry;
2973 } else if ((seq && !trk->vc1_info.packet_seq) ||
2974 (entry && !trk->vc1_info.packet_entry)) {
2976 for (i = 0; i < trk->entry; i++)
2977 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2978 trk->has_keyframes = 0;
2980 trk->vc1_info.packet_seq = 1;
2982 trk->vc1_info.packet_entry = 1;
2984 /* First fragment */
2985 if ((!seq || trk->vc1_info.first_packet_seq) &&
2986 (!entry || trk->vc1_info.first_packet_entry)) {
2987 /* First packet had the same headers as this one, readd the
2988 * sync sample flag. */
2989 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2990 trk->has_keyframes = 1;
2994 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2996 else if (trk->vc1_info.packet_seq)
2998 else if (trk->vc1_info.packet_entry)
3001 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3002 trk->has_keyframes++;
3006 static int mov_flush_fragment(AVFormatContext *s)
3008 MOVMuxContext *mov = s->priv_data;
3009 int i, first_track = -1;
3010 int64_t mdat_size = 0;
3012 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3015 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3016 int64_t pos = avio_tell(s->pb);
3018 int buf_size, moov_size;
3020 for (i = 0; i < mov->nb_streams; i++)
3021 if (!mov->tracks[i].entry)
3023 /* Don't write the initial moov unless all tracks have data */
3024 if (i < mov->nb_streams)
3027 moov_size = get_moov_size(s);
3028 for (i = 0; i < mov->nb_streams; i++)
3029 mov->tracks[i].data_offset = pos + moov_size + 8;
3031 mov_write_moov_tag(s->pb, mov, s);
3033 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3034 mov->mdat_buf = NULL;
3035 avio_wb32(s->pb, buf_size + 8);
3036 ffio_wfourcc(s->pb, "mdat");
3037 avio_write(s->pb, buf, buf_size);
3042 for (i = 0; i < mov->nb_streams; i++) {
3043 if (mov->tracks[i].entry)
3044 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3045 mov->tracks[i].track_duration -
3046 mov->tracks[i].cluster[0].dts;
3047 mov->tracks[i].entry = 0;
3053 for (i = 0; i < mov->nb_streams; i++) {
3054 MOVTrack *track = &mov->tracks[i];
3055 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3056 track->data_offset = 0;
3058 track->data_offset = mdat_size;
3059 if (!track->mdat_buf)
3061 mdat_size += avio_tell(track->mdat_buf);
3062 if (first_track < 0)
3069 for (i = 0; i < mov->nb_streams; i++) {
3070 MOVTrack *track = &mov->tracks[i];
3071 int buf_size, write_moof = 1, moof_tracks = -1;
3073 int64_t duration = 0;
3076 duration = track->start_dts + track->track_duration -
3077 track->cluster[0].dts;
3078 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3079 if (!track->mdat_buf)
3081 mdat_size = avio_tell(track->mdat_buf);
3084 write_moof = i == first_track;
3088 MOVFragmentInfo *info;
3090 track->nb_frag_info++;
3091 if (track->nb_frag_info >= track->frag_info_capacity) {
3092 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3093 if (av_reallocp_array(&track->frag_info,
3095 sizeof(*track->frag_info)))
3096 return AVERROR(ENOMEM);
3097 track->frag_info_capacity = new_capacity;
3099 info = &track->frag_info[track->nb_frag_info - 1];
3100 info->offset = avio_tell(s->pb);
3101 info->time = mov->tracks[i].frag_start;
3102 info->duration = duration;
3103 mov_write_tfrf_tags(s->pb, mov, track);
3105 mov_write_moof_tag(s->pb, mov, moof_tracks);
3106 info->tfrf_offset = track->tfrf_offset;
3109 avio_wb32(s->pb, mdat_size + 8);
3110 ffio_wfourcc(s->pb, "mdat");
3114 track->frag_start += duration;
3116 if (!track->mdat_buf)
3118 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3119 track->mdat_buf = NULL;
3121 avio_write(s->pb, buf, buf_size);
3131 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3133 MOVMuxContext *mov = s->priv_data;
3134 AVIOContext *pb = s->pb;
3135 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3136 AVCodecContext *enc = trk->enc;
3137 unsigned int samples_in_chunk = 0;
3138 int size = pkt->size;
3139 uint8_t *reformatted_data = NULL;
3141 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3143 if (mov->fragments > 0) {
3144 if (!trk->mdat_buf) {
3145 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3150 if (!mov->mdat_buf) {
3151 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3158 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3159 /* We must find out how many AMR blocks there are in one packet */
3160 static uint16_t packed_size[16] =
3161 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3164 while (len < size && samples_in_chunk < 100) {
3165 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3168 if (samples_in_chunk > 1) {
3169 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3172 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3173 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3174 samples_in_chunk = enc->frame_size;
3175 } else if (trk->sample_size)
3176 samples_in_chunk = size / trk->sample_size;
3178 samples_in_chunk = 1;
3180 /* copy extradata if it exists */
3181 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3182 trk->vos_len = enc->extradata_size;
3183 trk->vos_data = av_malloc(trk->vos_len);
3184 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3187 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3188 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3189 if (!s->streams[pkt->stream_index]->nb_frames) {
3190 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3191 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3192 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3195 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3197 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3198 /* from x264 or from bytestream h264 */
3199 /* nal reformating needed */
3200 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3201 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3203 avio_write(pb, reformatted_data, size);
3205 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3208 avio_write(pb, pkt->data, size);
3211 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3212 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3213 /* copy frame to create needed atoms */
3214 trk->vos_len = size;
3215 trk->vos_data = av_malloc(size);
3217 return AVERROR(ENOMEM);
3218 memcpy(trk->vos_data, pkt->data, size);
3221 if (trk->entry >= trk->cluster_capacity) {
3222 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3223 if (av_reallocp_array(&trk->cluster, new_capacity,
3224 sizeof(*trk->cluster)))
3225 return AVERROR(ENOMEM);
3226 trk->cluster_capacity = new_capacity;
3229 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3230 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3231 trk->cluster[trk->entry].chunkNum = 0;
3232 trk->cluster[trk->entry].size = size;
3233 trk->cluster[trk->entry].entries = samples_in_chunk;
3234 trk->cluster[trk->entry].dts = pkt->dts;
3235 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3236 /* First packet of a new fragment. We already wrote the duration
3237 * of the last packet of the previous fragment based on track_duration,
3238 * which might not exactly match our dts. Therefore adjust the dts
3239 * of this packet to be what the previous packets duration implies. */
3240 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3242 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3243 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3245 if (trk->start_dts == AV_NOPTS_VALUE)
3246 trk->start_dts = pkt->dts;
3247 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3248 trk->last_sample_is_subtitle_end = 0;
3250 if (pkt->pts == AV_NOPTS_VALUE) {
3251 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3252 pkt->pts = pkt->dts;
3254 if (pkt->dts != pkt->pts)
3255 trk->flags |= MOV_TRACK_CTTS;
3256 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3257 trk->cluster[trk->entry].flags = 0;
3258 if (enc->codec_id == AV_CODEC_ID_VC1) {
3259 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3260 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3261 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3262 trk->entry > 0) { // force sync sample for the first key frame
3263 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3264 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3265 trk->flags |= MOV_TRACK_STPS;
3267 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3269 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3270 trk->has_keyframes++;
3273 trk->sample_count += samples_in_chunk;
3274 mov->mdat_size += size;
3278 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3279 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3280 reformatted_data, size);
3281 av_free(reformatted_data);
3285 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3287 MOVMuxContext *mov = s->priv_data;
3288 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3289 AVCodecContext *enc = trk->enc;
3290 int64_t frag_duration = 0;
3291 int size = pkt->size;
3294 return 0; /* Discard 0 sized packets */
3296 if (trk->entry && pkt->stream_index < s->nb_streams)
3297 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3298 s->streams[pkt->stream_index]->time_base,
3300 if ((mov->max_fragment_duration &&
3301 frag_duration >= mov->max_fragment_duration) ||
3302 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3303 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3304 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3305 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3306 if (frag_duration >= mov->min_fragment_duration)
3307 mov_flush_fragment(s);
3310 return ff_mov_write_packet(s, pkt);
3313 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3317 uint8_t data[2] = {0};
3320 av_init_packet(&end);
3321 end.size = sizeof(data);
3326 end.stream_index = stream_index;
3328 ret = mov_write_single_packet(s, &end);
3329 av_free_packet(&end);
3334 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3337 mov_flush_fragment(s);
3341 MOVMuxContext *mov = s->priv_data;
3343 if (!pkt->size) return 0; /* Discard 0 sized packets */
3346 * Subtitles require special handling.
3348 * 1) For full complaince, every track must have a sample at
3349 * dts == 0, which is rarely true for subtitles. So, as soon
3350 * as we see any packet with dts > 0, write an empty subtitle
3351 * at dts == 0 for any subtitle track with no samples in it.
3353 * 2) For each subtitle track, check if the current packet's
3354 * dts is past the duration of the last subtitle sample. If
3355 * so, we now need to write an end sample for that subtitle.
3357 * This must be done conditionally to allow for subtitles that
3358 * immediately replace each other, in which case an end sample
3359 * is not needed, and is, in fact, actively harmful.
3361 * 3) See mov_write_trailer for how the final end sample is
3364 for (i = 0; i < mov->nb_streams; i++) {
3365 MOVTrack *trk = &mov->tracks[i];
3368 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3369 trk->track_duration < pkt->dts &&
3370 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3371 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3372 if (ret < 0) return ret;
3373 trk->last_sample_is_subtitle_end = 1;
3377 return mov_write_single_packet(s, pkt);
3381 // QuickTime chapters involve an additional text track with the chapter names
3382 // as samples, and a tref pointing from the other tracks to the chapter one.
3383 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3387 MOVMuxContext *mov = s->priv_data;
3388 MOVTrack *track = &mov->tracks[tracknum];
3389 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3392 track->mode = mov->mode;
3393 track->tag = MKTAG('t','e','x','t');
3394 track->timescale = MOV_TIMESCALE;
3395 track->enc = avcodec_alloc_context3(NULL);
3397 return AVERROR(ENOMEM);
3398 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3400 // These properties are required to make QT recognize the chapter track
3401 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3402 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3403 if (track->enc->extradata == NULL)
3404 return AVERROR(ENOMEM);
3405 track->enc->extradata_size = sizeof(chapter_properties);
3406 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3408 if (avio_open_dyn_buf(&pb) >= 0) {
3412 /* Stub header (usually for Quicktime chapter track) */
3414 avio_wb32(pb, 0x01); // displayFlags
3415 avio_w8(pb, 0x00); // horizontal justification
3416 avio_w8(pb, 0x00); // vertical justification
3417 avio_w8(pb, 0x00); // bgColourRed
3418 avio_w8(pb, 0x00); // bgColourGreen
3419 avio_w8(pb, 0x00); // bgColourBlue
3420 avio_w8(pb, 0x00); // bgColourAlpha
3422 avio_wb16(pb, 0x00); // defTextBoxTop
3423 avio_wb16(pb, 0x00); // defTextBoxLeft
3424 avio_wb16(pb, 0x00); // defTextBoxBottom
3425 avio_wb16(pb, 0x00); // defTextBoxRight
3427 avio_wb16(pb, 0x00); // startChar
3428 avio_wb16(pb, 0x00); // endChar
3429 avio_wb16(pb, 0x01); // fontID
3430 avio_w8(pb, 0x00); // fontStyleFlags
3431 avio_w8(pb, 0x00); // fontSize
3432 avio_w8(pb, 0x00); // fgColourRed
3433 avio_w8(pb, 0x00); // fgColourGreen
3434 avio_w8(pb, 0x00); // fgColourBlue
3435 avio_w8(pb, 0x00); // fgColourAlpha
3437 avio_wb32(pb, 0x0D); // box size
3438 ffio_wfourcc(pb, "ftab"); // box atom name
3439 avio_wb16(pb, 0x01); // entry count
3441 avio_wb16(pb, 0x01); // font ID
3442 avio_w8(pb, 0x00); // font name length
3444 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3445 track->enc->extradata = buf;
3446 track->enc->extradata_size = size;
3453 for (i = 0; i < s->nb_chapters; i++) {
3454 AVChapter *c = s->chapters[i];
3455 AVDictionaryEntry *t;
3457 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3458 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3459 pkt.duration = end - pkt.dts;
3461 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3462 len = strlen(t->value);
3464 pkt.data = av_malloc(pkt.size);
3466 return AVERROR(ENOMEM);
3467 AV_WB16(pkt.data, len);
3468 memcpy(pkt.data + 2, t->value, len);
3469 ff_mov_write_packet(s, &pkt);
3470 av_freep(&pkt.data);
3477 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3480 MOVMuxContext *mov = s->priv_data;
3481 MOVTrack *track = &mov->tracks[index];
3482 AVStream *src_st = s->streams[src_index];
3484 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3485 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3487 /* if the codec time base makes no sense, try to fallback on stream frame rate */
3488 if (av_timecode_check_frame_rate(rate) < 0) {
3489 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3490 rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3491 rate = src_st->avg_frame_rate;
3494 /* compute the frame number */
3495 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3499 /* tmcd track based on video stream */
3500 track->mode = mov->mode;
3501 track->tag = MKTAG('t','m','c','d');
3502 track->src_track = src_index;
3503 track->timescale = mov->tracks[src_index].timescale;
3504 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3505 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3507 /* encode context: tmcd data stream */
3508 track->enc = avcodec_alloc_context3(NULL);
3509 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3510 track->enc->codec_tag = track->tag;
3511 track->enc->time_base = src_st->codec->time_base;
3513 /* the tmcd track just contains one packet with the frame number */
3514 pkt.data = av_malloc(pkt.size);
3515 AV_WB32(pkt.data, tc.start);
3516 ret = ff_mov_write_packet(s, &pkt);
3522 * st->disposition controls the "enabled" flag in the tkhd tag.
3523 * QuickTime will not play a track if it is not enabled. So make sure
3524 * that one track of each type (audio, video, subtitle) is enabled.
3526 * Subtitles are special. For audio and video, setting "enabled" also
3527 * makes the track "default" (i.e. it is rendered when played). For
3528 * subtitles, an "enabled" subtitle is not rendered by default, but
3529 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3532 static void enable_tracks(AVFormatContext *s)
3534 MOVMuxContext *mov = s->priv_data;
3536 uint8_t enabled[AVMEDIA_TYPE_NB];
3537 int first[AVMEDIA_TYPE_NB];
3539 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3544 for (i = 0; i < s->nb_streams; i++) {
3545 AVStream *st = s->streams[i];
3547 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3548 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3551 if (first[st->codec->codec_type] < 0)
3552 first[st->codec->codec_type] = i;
3553 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3554 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3555 enabled[st->codec->codec_type] = 1;
3559 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3561 case AVMEDIA_TYPE_VIDEO:
3562 case AVMEDIA_TYPE_AUDIO:
3563 case AVMEDIA_TYPE_SUBTITLE:
3564 if (!enabled[i] && first[i] >= 0)
3565 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3571 static void mov_free(AVFormatContext *s)
3573 MOVMuxContext *mov = s->priv_data;
3576 if (mov->chapter_track) {
3577 if (mov->tracks[mov->chapter_track].enc)
3578 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
3579 av_freep(&mov->tracks[mov->chapter_track].enc);
3582 for (i = 0; i < mov->nb_streams; i++) {
3583 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3584 ff_mov_close_hinting(&mov->tracks[i]);
3585 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3586 av_freep(&mov->tracks[i].enc);
3587 av_freep(&mov->tracks[i].cluster);
3588 av_freep(&mov->tracks[i].frag_info);
3590 if (mov->tracks[i].vos_len)
3591 av_freep(&mov->tracks[i].vos_data);
3594 av_freep(&mov->tracks);
3597 static int mov_write_header(AVFormatContext *s)
3599 AVIOContext *pb = s->pb;
3600 MOVMuxContext *mov = s->priv_data;
3601 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3602 int i, hint_track = 0, tmcd_track = 0;
3604 /* Set the FRAGMENT flag if any of the fragmentation methods are
3606 if (mov->max_fragment_duration || mov->max_fragment_size ||
3607 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3608 FF_MOV_FLAG_FRAG_KEYFRAME |
3609 FF_MOV_FLAG_FRAG_CUSTOM))
3610 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3612 /* faststart: moov at the beginning of the file, if supported */
3613 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3614 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3615 (s->flags & AVFMT_FLAG_CUSTOM_IO))
3616 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3618 mov->reserved_moov_size = -1;
3621 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3622 s->avoid_negative_ts = 1;
3625 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3626 * is enabled, we don't support non-seekable output at all. */
3627 if (!s->pb->seekable &&
3628 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3629 strcmp(s->oformat->name, "ismv"))
3630 || mov->ism_lookahead)) {
3631 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3635 /* Default mode == MP4 */
3636 mov->mode = MODE_MP4;
3638 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3639 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3640 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3641 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3642 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3643 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3644 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3646 mov_write_ftyp_tag(pb,s);
3647 if (mov->mode == MODE_PSP) {
3648 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3649 for (i = 0; i < s->nb_streams; i++) {
3650 AVStream *st = s->streams[i];
3651 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3653 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3659 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3660 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3663 mov_write_uuidprof_tag(pb, s);
3666 mov->nb_streams = s->nb_streams;
3667 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3668 mov->chapter_track = mov->nb_streams++;
3670 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3671 /* Add hint tracks for each audio and video stream */
3672 hint_track = mov->nb_streams;
3673 for (i = 0; i < s->nb_streams; i++) {
3674 AVStream *st = s->streams[i];
3675 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3676 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3682 if (mov->mode == MODE_MOV) {
3683 tmcd_track = mov->nb_streams;
3685 /* +1 tmcd track for each video stream with a timecode */
3686 for (i = 0; i < s->nb_streams; i++) {
3687 AVStream *st = s->streams[i];
3688 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3689 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3690 mov->nb_meta_tmcd++;
3693 /* check if there is already a tmcd track to remux */
3694 if (mov->nb_meta_tmcd) {
3695 for (i = 0; i < s->nb_streams; i++) {
3696 AVStream *st = s->streams[i];
3697 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3698 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3699 "so timecode metadata are now ignored\n");
3700 mov->nb_meta_tmcd = 0;
3705 mov->nb_streams += mov->nb_meta_tmcd;
3708 // Reserve an extra stream for chapters for the case where chapters
3709 // are written in the trailer
3710 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3712 return AVERROR(ENOMEM);
3714 for (i = 0; i < s->nb_streams; i++) {
3715 AVStream *st= s->streams[i];
3716 MOVTrack *track= &mov->tracks[i];
3717 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3719 track->enc = st->codec;
3720 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3721 if (track->language < 0)
3722 track->language = 0;
3723 track->mode = mov->mode;
3724 track->tag = mov_find_codec_tag(s, track);
3726 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3727 "codec not currently supported in container\n", i);
3730 /* If hinting of this track is enabled by a later hint track,
3731 * this is updated. */
3732 track->hint_track = -1;
3733 track->start_dts = AV_NOPTS_VALUE;
3734 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3735 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3736 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3737 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3738 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3739 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3742 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3744 if (mov->video_track_timescale) {
3745 track->timescale = mov->video_track_timescale;
3747 track->timescale = st->codec->time_base.den;
3748 while(track->timescale < 10000)
3749 track->timescale *= 2;
3751 if (track->mode == MODE_MOV && track->timescale > 100000)
3752 av_log(s, AV_LOG_WARNING,
3753 "WARNING codec timebase is very high. If duration is too long,\n"
3754 "file may not be playable by quicktime. Specify a shorter timebase\n"
3755 "or choose different container.\n");
3756 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3757 track->timescale = st->codec->sample_rate;
3758 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3759 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3760 track->audio_vbr = 1;
3761 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3762 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3763 st->codec->codec_id == AV_CODEC_ID_ILBC){
3764 if (!st->codec->block_align) {
3765 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3768 track->sample_size = st->codec->block_align;
3769 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3770 track->audio_vbr = 1;
3772 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3774 if (st->codec->codec_id == AV_CODEC_ID_ILBC) {
3775 track->audio_vbr = 1;
3777 if (track->mode != MODE_MOV &&
3778 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3779 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3780 i, track->enc->sample_rate);
3783 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3784 track->timescale = st->codec->time_base.den;
3785 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3786 track->timescale = st->codec->time_base.den;
3788 track->timescale = MOV_TIMESCALE;
3791 track->height = st->codec->height;
3792 /* The ism specific timescale isn't mandatory, but is assumed by
3793 * some tools, such as mp4split. */
3794 if (mov->mode == MODE_ISM)
3795 track->timescale = 10000000;
3797 avpriv_set_pts_info(st, 64, 1, track->timescale);
3799 /* copy extradata if it exists */
3800 if (st->codec->extradata_size) {
3801 track->vos_len = st->codec->extradata_size;
3802 track->vos_data = av_malloc(track->vos_len);
3803 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3809 if (mov->mode == MODE_ISM) {
3810 /* If no fragmentation options have been set, set a default. */
3811 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3812 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3813 !mov->max_fragment_duration && !mov->max_fragment_size)
3814 mov->max_fragment_duration = 5000000;
3815 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3816 FF_MOV_FLAG_FRAGMENT;
3819 if (mov->reserved_moov_size){
3820 mov->reserved_moov_pos= avio_tell(pb);
3821 if (mov->reserved_moov_size > 0)
3822 avio_skip(pb, mov->reserved_moov_size);
3825 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3826 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3827 mov->reserved_moov_pos = avio_tell(pb);
3828 mov_write_mdat_tag(pb, mov);
3831 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3832 mov->time = ff_iso8601_to_unix_time(t->value);
3834 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3836 if (mov->chapter_track)
3837 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3840 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3841 /* Initialize the hint tracks for each audio and video stream */
3842 for (i = 0; i < s->nb_streams; i++) {
3843 AVStream *st = s->streams[i];
3844 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3845 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3846 if (ff_mov_init_hinting(s, hint_track, i) < 0)
3853 if (mov->nb_meta_tmcd) {
3854 /* Initialize the tmcd tracks */
3855 for (i = 0; i < s->nb_streams; i++) {
3856 AVStream *st = s->streams[i];
3859 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3861 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3864 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3873 if (mov->flags & FF_MOV_FLAG_ISML)
3874 mov_write_isml_manifest(pb, mov);
3876 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3877 mov_write_moov_tag(pb, mov, s);
3887 static int get_moov_size(AVFormatContext *s)
3891 AVIOContext *moov_buf;
3892 MOVMuxContext *mov = s->priv_data;
3894 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
3896 mov_write_moov_tag(moov_buf, mov, s);
3897 ret = avio_close_dyn_buf(moov_buf, &buf);
3903 * This function gets the moov size if moved to the top of the file: the chunk
3904 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3905 * entries) when the moov is moved to the beginning, so the size of the moov
3906 * would change. It also updates the chunk offset tables.
3908 static int compute_moov_size(AVFormatContext *s)
3910 int i, moov_size, moov_size2;
3911 MOVMuxContext *mov = s->priv_data;
3913 moov_size = get_moov_size(s);
3917 for (i = 0; i < mov->nb_streams; i++)
3918 mov->tracks[i].data_offset += moov_size;
3920 moov_size2 = get_moov_size(s);
3924 /* if the size changed, we just switched from stco to co64 and need to
3925 * update the offsets */
3926 if (moov_size2 != moov_size)
3927 for (i = 0; i < mov->nb_streams; i++)
3928 mov->tracks[i].data_offset += moov_size2 - moov_size;
3933 static int shift_data(AVFormatContext *s)
3935 int ret = 0, moov_size;
3936 MOVMuxContext *mov = s->priv_data;
3937 int64_t pos, pos_end = avio_tell(s->pb);
3938 uint8_t *buf, *read_buf[2];
3939 int read_buf_id = 0;
3941 AVIOContext *read_pb;
3943 moov_size = compute_moov_size(s);
3947 buf = av_malloc(moov_size * 2);
3949 return AVERROR(ENOMEM);
3951 read_buf[1] = buf + moov_size;
3953 /* Shift the data: the AVIO context of the output can only be used for
3954 * writing, so we re-open the same output, but for reading. It also avoids
3955 * a read/seek/write/seek back and forth. */
3957 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3959 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3960 "the second pass (faststart)\n", s->filename);
3964 /* mark the end of the shift to up to the last data we wrote, and get ready
3966 pos_end = avio_tell(s->pb);
3967 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3969 /* start reading at where the new moov will be placed */
3970 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3971 pos = avio_tell(read_pb);
3973 #define READ_BLOCK do { \
3974 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3978 /* shift data by chunk of at most moov_size */
3983 n = read_size[read_buf_id];
3986 avio_write(s->pb, read_buf[read_buf_id], n);
3988 } while (pos < pos_end);
3989 avio_close(read_pb);
3996 static int mov_write_trailer(AVFormatContext *s)
3998 MOVMuxContext *mov = s->priv_data;
3999 AVIOContext *pb = s->pb;
4005 * Before actually writing the trailer, make sure that there are no
4006 * dangling subtitles, that need a terminating sample.
4008 for (i = 0; i < mov->nb_streams; i++) {
4009 MOVTrack *trk = &mov->tracks[i];
4010 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4011 !trk->last_sample_is_subtitle_end) {
4012 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4013 trk->last_sample_is_subtitle_end = 1;
4017 // If there were no chapters when the header was written, but there
4018 // are chapters now, write them in the trailer. This only works
4019 // when we are not doing fragments.
4020 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4021 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4022 mov->chapter_track = mov->nb_streams++;
4023 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4028 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4029 moov_pos = avio_tell(pb);
4031 /* Write size of mdat tag */
4032 if (mov->mdat_size + 8 <= UINT32_MAX) {
4033 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4034 avio_wb32(pb, mov->mdat_size + 8);
4036 /* overwrite 'wide' placeholder atom */
4037 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4038 /* special value: real atom size will be 64 bit value after
4041 ffio_wfourcc(pb, "mdat");
4042 avio_wb64(pb, mov->mdat_size + 16);
4044 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4046 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4047 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4048 res = shift_data(s);
4050 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4051 mov_write_moov_tag(pb, mov, s);
4053 } else if (mov->reserved_moov_size > 0) {
4055 mov_write_moov_tag(pb, mov, s);
4056 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4058 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4061 avio_wb32(pb, size);
4062 ffio_wfourcc(pb, "free");
4063 for (i = 0; i < size; i++)
4065 avio_seek(pb, moov_pos, SEEK_SET);
4067 mov_write_moov_tag(pb, mov, s);
4070 mov_flush_fragment(s);
4071 mov_write_mfra_tag(pb, mov);
4074 for (i = 0; i < mov->nb_streams; i++) {
4075 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4076 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4077 int64_t off = avio_tell(pb);
4079 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4080 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4081 avio_write(pb, buf, 7);
4082 avio_seek(pb, off, SEEK_SET);
4093 #if CONFIG_MOV_MUXER
4095 AVOutputFormat ff_mov_muxer = {
4097 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4098 .extensions = "mov",
4099 .priv_data_size = sizeof(MOVMuxContext),
4100 .audio_codec = AV_CODEC_ID_AAC,
4101 .video_codec = CONFIG_LIBX264_ENCODER ?
4102 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4103 .write_header = mov_write_header,
4104 .write_packet = mov_write_packet,
4105 .write_trailer = mov_write_trailer,
4106 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4107 .codec_tag = (const AVCodecTag* const []){
4108 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4110 .priv_class = &mov_muxer_class,
4113 #if CONFIG_TGP_MUXER
4115 AVOutputFormat ff_tgp_muxer = {
4117 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4118 .extensions = "3gp",
4119 .priv_data_size = sizeof(MOVMuxContext),
4120 .audio_codec = AV_CODEC_ID_AMR_NB,
4121 .video_codec = AV_CODEC_ID_H263,
4122 .write_header = mov_write_header,
4123 .write_packet = mov_write_packet,
4124 .write_trailer = mov_write_trailer,
4125 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4126 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4127 .priv_class = &tgp_muxer_class,
4130 #if CONFIG_MP4_MUXER
4132 AVOutputFormat ff_mp4_muxer = {
4134 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4135 .mime_type = "application/mp4",
4136 .extensions = "mp4",
4137 .priv_data_size = sizeof(MOVMuxContext),
4138 .audio_codec = AV_CODEC_ID_AAC,
4139 .video_codec = CONFIG_LIBX264_ENCODER ?
4140 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4141 .write_header = mov_write_header,
4142 .write_packet = mov_write_packet,
4143 .write_trailer = mov_write_trailer,
4144 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4145 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4146 .priv_class = &mp4_muxer_class,
4149 #if CONFIG_PSP_MUXER
4151 AVOutputFormat ff_psp_muxer = {
4153 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4154 .extensions = "mp4,psp",
4155 .priv_data_size = sizeof(MOVMuxContext),
4156 .audio_codec = AV_CODEC_ID_AAC,
4157 .video_codec = CONFIG_LIBX264_ENCODER ?
4158 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4159 .write_header = mov_write_header,
4160 .write_packet = mov_write_packet,
4161 .write_trailer = mov_write_trailer,
4162 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4163 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4164 .priv_class = &psp_muxer_class,
4167 #if CONFIG_TG2_MUXER
4169 AVOutputFormat ff_tg2_muxer = {
4171 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4172 .extensions = "3g2",
4173 .priv_data_size = sizeof(MOVMuxContext),
4174 .audio_codec = AV_CODEC_ID_AMR_NB,
4175 .video_codec = AV_CODEC_ID_H263,
4176 .write_header = mov_write_header,
4177 .write_packet = mov_write_packet,
4178 .write_trailer = mov_write_trailer,
4179 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4180 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4181 .priv_class = &tg2_muxer_class,
4184 #if CONFIG_IPOD_MUXER
4186 AVOutputFormat ff_ipod_muxer = {
4188 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4189 .mime_type = "application/mp4",
4190 .extensions = "m4v,m4a",
4191 .priv_data_size = sizeof(MOVMuxContext),
4192 .audio_codec = AV_CODEC_ID_AAC,
4193 .video_codec = AV_CODEC_ID_H264,
4194 .write_header = mov_write_header,
4195 .write_packet = mov_write_packet,
4196 .write_trailer = mov_write_trailer,
4197 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4198 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4199 .priv_class = &ipod_muxer_class,
4202 #if CONFIG_ISMV_MUXER
4204 AVOutputFormat ff_ismv_muxer = {
4206 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4207 .mime_type = "application/mp4",
4208 .extensions = "ismv,isma",
4209 .priv_data_size = sizeof(MOVMuxContext),
4210 .audio_codec = AV_CODEC_ID_AAC,
4211 .video_codec = AV_CODEC_ID_H264,
4212 .write_header = mov_write_header,
4213 .write_packet = mov_write_packet,
4214 .write_trailer = mov_write_trailer,
4215 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4216 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4217 .priv_class = &ismv_muxer_class,
4220 #if CONFIG_F4V_MUXER
4222 AVOutputFormat ff_f4v_muxer = {
4224 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4225 .mime_type = "application/f4v",
4226 .extensions = "f4v",
4227 .priv_data_size = sizeof(MOVMuxContext),
4228 .audio_codec = AV_CODEC_ID_AAC,
4229 .video_codec = AV_CODEC_ID_H264,
4230 .write_header = mov_write_header,
4231 .write_packet = mov_write_packet,
4232 .write_trailer = mov_write_trailer,
4233 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4234 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4235 .priv_class = &f4v_muxer_class,