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 Libav.
9 * Libav 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 * Libav 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 Libav; 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 { "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" },
50 { "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" },
51 { "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" },
52 { "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" },
53 { "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" },
54 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
55 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
56 { "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},
57 { "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},
58 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
59 { "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},
60 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
65 #define MOV_CLASS(flavor)\
66 static const AVClass flavor ## _muxer_class = {\
67 .class_name = #flavor " muxer",\
68 .item_name = av_default_item_name,\
70 .version = LIBAVUTIL_VERSION_INT,\
73 //FIXME support 64 bit variant with wide placeholders
74 static int64_t update_size(AVIOContext *pb, int64_t pos)
76 int64_t curpos = avio_tell(pb);
77 avio_seek(pb, pos, SEEK_SET);
78 avio_wb32(pb, curpos - pos); /* rewrite size */
79 avio_seek(pb, curpos, SEEK_SET);
84 /* Chunk offset atom */
85 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
88 int mode64 = 0; // use 32 bit size variant if possible
89 int64_t pos = avio_tell(pb);
90 avio_wb32(pb, 0); /* size */
91 if (pos > UINT32_MAX) {
93 ffio_wfourcc(pb, "co64");
95 ffio_wfourcc(pb, "stco");
96 avio_wb32(pb, 0); /* version & flags */
97 avio_wb32(pb, track->entry); /* entry count */
98 for (i=0; i<track->entry; i++) {
100 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
102 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
104 return update_size(pb, pos);
107 /* Sample size atom */
108 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
111 int i, j, entries = 0, tst = -1, oldtst = -1;
113 int64_t pos = avio_tell(pb);
114 avio_wb32(pb, 0); /* size */
115 ffio_wfourcc(pb, "stsz");
116 avio_wb32(pb, 0); /* version & flags */
118 for (i=0; i<track->entry; i++) {
119 tst = track->cluster[i].size/track->cluster[i].entries;
120 if(oldtst != -1 && tst != oldtst) {
124 entries += track->cluster[i].entries;
126 if (equalChunks && track->entry) {
127 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
128 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
129 avio_wb32(pb, sSize); // sample size
130 avio_wb32(pb, entries); // sample count
133 avio_wb32(pb, 0); // sample size
134 avio_wb32(pb, entries); // sample count
135 for (i=0; i<track->entry; i++) {
136 for (j=0; j<track->cluster[i].entries; j++) {
137 avio_wb32(pb, track->cluster[i].size /
138 track->cluster[i].entries);
142 return update_size(pb, pos);
145 /* Sample to chunk atom */
146 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
148 int index = 0, oldval = -1, i;
149 int64_t entryPos, curpos;
151 int64_t pos = avio_tell(pb);
152 avio_wb32(pb, 0); /* size */
153 ffio_wfourcc(pb, "stsc");
154 avio_wb32(pb, 0); // version & flags
155 entryPos = avio_tell(pb);
156 avio_wb32(pb, track->entry); // entry count
157 for (i=0; i<track->entry; i++) {
158 if (oldval != track->cluster[i].samples_in_chunk)
160 avio_wb32(pb, i+1); // first chunk
161 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
162 avio_wb32(pb, 0x1); // sample description index
163 oldval = track->cluster[i].samples_in_chunk;
167 curpos = avio_tell(pb);
168 avio_seek(pb, entryPos, SEEK_SET);
169 avio_wb32(pb, index); // rewrite size
170 avio_seek(pb, curpos, SEEK_SET);
172 return update_size(pb, pos);
175 /* Sync sample atom */
176 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
178 int64_t curpos, entryPos;
180 int64_t pos = avio_tell(pb);
181 avio_wb32(pb, 0); // size
182 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
183 avio_wb32(pb, 0); // version & flags
184 entryPos = avio_tell(pb);
185 avio_wb32(pb, track->entry); // entry count
186 for (i=0; i<track->entry; i++) {
187 if (track->cluster[i].flags & flag) {
192 curpos = avio_tell(pb);
193 avio_seek(pb, entryPos, SEEK_SET);
194 avio_wb32(pb, index); // rewrite size
195 avio_seek(pb, curpos, SEEK_SET);
196 return update_size(pb, pos);
199 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
201 avio_wb32(pb, 0x11); /* size */
202 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
203 else ffio_wfourcc(pb, "damr");
204 ffio_wfourcc(pb, "FFMP");
205 avio_w8(pb, 0); /* decoder version */
207 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
208 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
209 avio_w8(pb, 0x01); /* Frames per sample */
213 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
218 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
220 if (track->vos_len < 7)
224 ffio_wfourcc(pb, "dac3");
226 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
227 fscod = get_bits(&gbc, 2);
228 frmsizecod = get_bits(&gbc, 6);
229 bsid = get_bits(&gbc, 5);
230 bsmod = get_bits(&gbc, 3);
231 acmod = get_bits(&gbc, 3);
233 skip_bits(&gbc, 2); // dsurmod
235 if ((acmod & 1) && acmod != 1)
236 skip_bits(&gbc, 2); // cmixlev
238 skip_bits(&gbc, 2); // surmixlev
240 lfeon = get_bits1(&gbc);
242 init_put_bits(&pbc, buf, sizeof(buf));
243 put_bits(&pbc, 2, fscod);
244 put_bits(&pbc, 5, bsid);
245 put_bits(&pbc, 3, bsmod);
246 put_bits(&pbc, 3, acmod);
247 put_bits(&pbc, 1, lfeon);
248 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
249 put_bits(&pbc, 5, 0); // reserved
251 flush_put_bits(&pbc);
252 avio_write(pb, buf, sizeof(buf));
258 * This function writes extradata "as is".
259 * Extradata must be formatted like a valid atom (with size and tag).
261 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
263 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
264 return track->enc->extradata_size;
267 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
272 avio_w8(pb, (size>>(7*i)) | 0x80);
273 avio_w8(pb, size & 0x7F);
276 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
278 int64_t pos = avio_tell(pb);
279 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
281 avio_wb32(pb, 0); // size
282 ffio_wfourcc(pb, "esds");
283 avio_wb32(pb, 0); // Version
286 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
287 avio_wb16(pb, track->track_id);
288 avio_w8(pb, 0x00); // flags (= no flags)
290 // DecoderConfig descriptor
291 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
293 // Object type indication
294 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
295 track->enc->codec_id == AV_CODEC_ID_MP3) &&
296 track->enc->sample_rate > 24000)
297 avio_w8(pb, 0x6B); // 11172-3
299 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
301 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
302 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
303 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
304 avio_w8(pb, 0x15); // flags (= Audiostream)
306 avio_w8(pb, 0x11); // flags (= Visualstream)
308 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
310 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
311 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
312 avio_wb32(pb, 0); // vbr
314 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
316 if (track->vos_len) {
317 // DecoderSpecific info descriptor
318 put_descr(pb, 0x05, track->vos_len);
319 avio_write(pb, track->vos_data, track->vos_len);
323 put_descr(pb, 0x06, 1);
325 return update_size(pb, pos);
328 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
330 int64_t pos = avio_tell(pb);
332 avio_wl32(pb, track->tag); // store it byteswapped
333 track->enc->codec_tag = av_bswap16(track->tag >> 16);
334 ff_put_wav_header(pb, track->enc);
335 return update_size(pb, pos);
338 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
340 int64_t pos = avio_tell(pb);
342 ffio_wfourcc(pb, "wfex");
343 ff_put_wav_header(pb, track->enc);
344 return update_size(pb, pos);
347 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
349 uint32_t layout_tag, bitmap;
350 int64_t pos = avio_tell(pb);
352 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
353 track->enc->channel_layout,
356 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
357 "lack of channel information\n");
361 avio_wb32(pb, 0); // Size
362 ffio_wfourcc(pb, "chan"); // Type
363 avio_w8(pb, 0); // Version
364 avio_wb24(pb, 0); // Flags
365 avio_wb32(pb, layout_tag); // mChannelLayoutTag
366 avio_wb32(pb, bitmap); // mChannelBitmap
367 avio_wb32(pb, 0); // mNumberChannelDescriptions
369 return update_size(pb, pos);
372 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
374 int64_t pos = avio_tell(pb);
376 avio_wb32(pb, 0); /* size */
377 ffio_wfourcc(pb, "wave");
379 avio_wb32(pb, 12); /* size */
380 ffio_wfourcc(pb, "frma");
381 avio_wl32(pb, track->tag);
383 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
384 /* useless atom needed by mplayer, ipod, not needed by quicktime */
385 avio_wb32(pb, 12); /* size */
386 ffio_wfourcc(pb, "mp4a");
388 mov_write_esds_tag(pb, track);
389 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
390 mov_write_amr_tag(pb, track);
391 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
392 mov_write_ac3_tag(pb, track);
393 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
394 mov_write_extradata_tag(pb, track);
395 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
396 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
397 mov_write_ms_tag(pb, track);
400 avio_wb32(pb, 8); /* size */
401 avio_wb32(pb, 0); /* null tag */
403 return update_size(pb, pos);
406 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
409 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
410 int unescaped_size, seq_found = 0;
411 int level = 0, interlace = 0;
412 int packet_seq = track->vc1_info.packet_seq;
413 int packet_entry = track->vc1_info.packet_entry;
414 int slices = track->vc1_info.slices;
417 if (track->start_dts == AV_NOPTS_VALUE) {
418 /* No packets written yet, vc1_info isn't authoritative yet. */
419 /* Assume inline sequence and entry headers. This will be
420 * overwritten at the end if the file is seekable. */
421 packet_seq = packet_entry = 1;
424 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
426 return AVERROR(ENOMEM);
427 start = find_next_marker(track->vos_data, end);
428 for (next = start; next < end; start = next) {
431 next = find_next_marker(start + 4, end);
432 size = next - start - 4;
435 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
436 init_get_bits(&gb, unescaped, 8 * unescaped_size);
437 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
438 int profile = get_bits(&gb, 2);
439 if (profile != PROFILE_ADVANCED) {
441 return AVERROR(ENOSYS);
444 level = get_bits(&gb, 3);
445 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
447 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
448 skip_bits(&gb, 1); /* broadcast */
449 interlace = get_bits1(&gb);
450 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
455 return AVERROR(ENOSYS);
458 init_put_bits(&pbc, buf, 7);
459 /* VC1DecSpecStruc */
460 put_bits(&pbc, 4, 12); /* profile - advanced */
461 put_bits(&pbc, 3, level);
462 put_bits(&pbc, 1, 0); /* reserved */
463 /* VC1AdvDecSpecStruc */
464 put_bits(&pbc, 3, level);
465 put_bits(&pbc, 1, 0); /* cbr */
466 put_bits(&pbc, 6, 0); /* reserved */
467 put_bits(&pbc, 1, !interlace); /* no interlace */
468 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
469 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
470 put_bits(&pbc, 1, !slices); /* no slice code */
471 put_bits(&pbc, 1, 0); /* no bframe */
472 put_bits(&pbc, 1, 0); /* reserved */
473 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
474 flush_put_bits(&pbc);
481 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
483 uint8_t buf[7] = { 0 };
486 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
489 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
490 ffio_wfourcc(pb, "dvc1");
491 track->vc1_info.struct_offset = avio_tell(pb);
492 avio_write(pb, buf, sizeof(buf));
493 avio_write(pb, track->vos_data, track->vos_len);
498 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
500 avio_wb32(pb, track->vos_len + 8);
501 ffio_wfourcc(pb, "glbl");
502 avio_write(pb, track->vos_data, track->vos_len);
503 return 8 + track->vos_len;
507 * Compute flags for 'lpcm' tag.
508 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
510 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
513 case AV_CODEC_ID_PCM_F32BE:
514 case AV_CODEC_ID_PCM_F64BE:
516 case AV_CODEC_ID_PCM_F32LE:
517 case AV_CODEC_ID_PCM_F64LE:
519 case AV_CODEC_ID_PCM_U8:
521 case AV_CODEC_ID_PCM_S16BE:
522 case AV_CODEC_ID_PCM_S24BE:
523 case AV_CODEC_ID_PCM_S32BE:
525 case AV_CODEC_ID_PCM_S8:
526 case AV_CODEC_ID_PCM_S16LE:
527 case AV_CODEC_ID_PCM_S24LE:
528 case AV_CODEC_ID_PCM_S32LE:
535 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
539 if (cluster_idx >= track->entry)
542 if (cluster_idx + 1 == track->entry)
543 next_dts = track->track_duration + track->start_dts;
545 next_dts = track->cluster[cluster_idx + 1].dts;
547 return next_dts - track->cluster[cluster_idx].dts;
550 static int get_samples_per_packet(MOVTrack *track)
552 int i, first_duration;
554 /* use 1 for raw PCM */
555 if (!track->audio_vbr)
558 /* check to see if duration is constant for all clusters */
561 first_duration = get_cluster_duration(track, 0);
562 for (i = 1; i < track->entry; i++) {
563 if (get_cluster_duration(track, i) != first_duration)
566 return first_duration;
569 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
571 int64_t pos = avio_tell(pb);
573 uint32_t tag = track->tag;
575 if (track->mode == MODE_MOV) {
576 if (mov_get_lpcm_flags(track->enc->codec_id))
577 tag = AV_RL32("lpcm");
581 avio_wb32(pb, 0); /* size */
582 avio_wl32(pb, tag); // store it byteswapped
583 avio_wb32(pb, 0); /* Reserved */
584 avio_wb16(pb, 0); /* Reserved */
585 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
587 /* SoundDescription */
588 avio_wb16(pb, version); /* Version */
589 avio_wb16(pb, 0); /* Revision level */
590 avio_wb32(pb, 0); /* Reserved */
595 avio_wb16(pb, 0xfffe);
597 avio_wb32(pb, 0x00010000);
599 avio_wb64(pb, av_double2int(track->enc->sample_rate));
600 avio_wb32(pb, track->enc->channels);
601 avio_wb32(pb, 0x7F000000);
602 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
603 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
604 avio_wb32(pb, track->sample_size);
605 avio_wb32(pb, get_samples_per_packet(track));
607 /* reserved for mp4/3gp */
612 avio_wb16(pb, 0); /* packet size (= 0) */
613 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
614 track->enc->sample_rate : 0);
615 avio_wb16(pb, 0); /* Reserved */
618 if(track->mode == MODE_MOV &&
619 (track->enc->codec_id == AV_CODEC_ID_AAC ||
620 track->enc->codec_id == AV_CODEC_ID_AC3 ||
621 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
622 track->enc->codec_id == AV_CODEC_ID_ALAC ||
623 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
624 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
625 mov_write_wave_tag(pb, track);
626 else if(track->tag == MKTAG('m','p','4','a'))
627 mov_write_esds_tag(pb, track);
628 else if(track->enc->codec_id == AV_CODEC_ID_AMR_NB)
629 mov_write_amr_tag(pb, track);
630 else if(track->enc->codec_id == AV_CODEC_ID_AC3)
631 mov_write_ac3_tag(pb, track);
632 else if(track->enc->codec_id == AV_CODEC_ID_ALAC)
633 mov_write_extradata_tag(pb, track);
634 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
635 mov_write_wfex_tag(pb, track);
636 else if (track->vos_len > 0)
637 mov_write_glbl_tag(pb, track);
639 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
640 mov_write_chan_tag(pb, track);
642 return update_size(pb, pos);
645 static int mov_write_d263_tag(AVIOContext *pb)
647 avio_wb32(pb, 0xf); /* size */
648 ffio_wfourcc(pb, "d263");
649 ffio_wfourcc(pb, "FFMP");
650 avio_w8(pb, 0); /* decoder version */
651 /* FIXME use AVCodecContext level/profile, when encoder will set values */
652 avio_w8(pb, 0xa); /* level */
653 avio_w8(pb, 0); /* profile */
657 /* TODO: No idea about these values */
658 static int mov_write_svq3_tag(AVIOContext *pb)
661 ffio_wfourcc(pb, "SMI ");
662 ffio_wfourcc(pb, "SEQH");
664 avio_wb32(pb, 0xe2c0211d);
665 avio_wb32(pb, 0xc0000000);
670 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
672 int64_t pos = avio_tell(pb);
675 ffio_wfourcc(pb, "avcC");
676 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
677 return update_size(pb, pos);
680 /* also used by all avid codecs (dv, imx, meridien) and their variants */
681 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
684 avio_wb32(pb, 24); /* size */
685 ffio_wfourcc(pb, "ACLR");
686 ffio_wfourcc(pb, "ACLR");
687 ffio_wfourcc(pb, "0001");
688 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
689 avio_wb32(pb, 0); /* unknown */
691 avio_wb32(pb, 24); /* size */
692 ffio_wfourcc(pb, "APRG");
693 ffio_wfourcc(pb, "APRG");
694 ffio_wfourcc(pb, "0001");
695 avio_wb32(pb, 1); /* unknown */
696 avio_wb32(pb, 0); /* unknown */
698 avio_wb32(pb, 120); /* size */
699 ffio_wfourcc(pb, "ARES");
700 ffio_wfourcc(pb, "ARES");
701 ffio_wfourcc(pb, "0001");
702 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
703 avio_wb32(pb, track->enc->width);
704 /* values below are based on samples created with quicktime and avid codecs */
705 if (track->vos_data[5] & 2) { // interlaced
706 avio_wb32(pb, track->enc->height/2);
707 avio_wb32(pb, 2); /* unknown */
708 avio_wb32(pb, 0); /* unknown */
709 avio_wb32(pb, 4); /* unknown */
711 avio_wb32(pb, track->enc->height);
712 avio_wb32(pb, 1); /* unknown */
713 avio_wb32(pb, 0); /* unknown */
714 if (track->enc->height == 1080)
715 avio_wb32(pb, 5); /* unknown */
717 avio_wb32(pb, 6); /* unknown */
720 for (i = 0; i < 10; i++)
723 /* extra padding for stsd needed */
728 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
730 int tag = track->enc->codec_tag;
732 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
735 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
736 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
737 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
738 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
739 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
740 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
741 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
746 static const AVCodecTag codec_ipod_tags[] = {
747 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
748 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
749 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
750 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
751 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
752 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
753 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
754 { AV_CODEC_ID_NONE, 0 },
757 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
759 int tag = track->enc->codec_tag;
761 // keep original tag for subs, ipod supports both formats
762 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
763 (tag == MKTAG('t','x','3','g') ||
764 tag == MKTAG('t','e','x','t'))))
765 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
767 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
768 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
769 "Quicktime/Ipod might not play the file\n");
774 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
778 if (track->enc->width == 720) /* SD */
779 if (track->enc->height == 480) /* NTSC */
780 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
781 else tag = MKTAG('d','v','c',' ');
782 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
783 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
784 else tag = MKTAG('d','v','p','p');
785 else if (track->enc->height == 720) /* HD 720 line */
786 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
787 else tag = MKTAG('d','v','h','p');
788 else if (track->enc->height == 1080) /* HD 1080 line */
789 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
790 else tag = MKTAG('d','v','h','6');
792 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
799 static const struct {
800 enum AVPixelFormat pix_fmt;
803 } mov_pix_fmt_tags[] = {
804 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
805 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
806 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
807 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
808 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
809 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
810 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
811 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
812 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
813 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
814 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
815 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
816 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
817 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
820 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
822 int tag = track->enc->codec_tag;
825 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
826 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
827 tag = mov_pix_fmt_tags[i].tag;
828 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
836 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
838 int tag = track->enc->codec_tag;
840 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
841 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
842 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
843 track->enc->codec_id == AV_CODEC_ID_H263 ||
844 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
845 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
846 tag = mov_get_dv_codec_tag(s, track);
847 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
848 tag = mov_get_rawvideo_codec_tag(s, track);
849 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
850 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
851 if (!tag) { // if no mac fcc found, try with Microsoft tags
852 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
854 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
855 "the file may be unplayable!\n");
857 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
858 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
859 if (!tag) { // if no mac fcc found, try with Microsoft tags
860 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
862 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
863 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
864 "the file may be unplayable!\n");
867 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
868 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
874 static const AVCodecTag codec_3gp_tags[] = {
875 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
876 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
877 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
878 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
879 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
880 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
881 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
882 { AV_CODEC_ID_NONE, 0 },
885 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
889 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
890 tag = mp4_get_codec_tag(s, track);
891 else if (track->mode == MODE_ISM) {
892 tag = mp4_get_codec_tag(s, track);
893 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
894 tag = MKTAG('w', 'm', 'a', ' ');
895 } else if (track->mode == MODE_IPOD)
896 tag = ipod_get_codec_tag(s, track);
897 else if (track->mode & MODE_3GP)
898 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
900 tag = mov_get_codec_tag(s, track);
906 * Needed to make file play in iPods running newest firmware
907 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
909 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
912 ffio_wfourcc(pb, "uuid");
913 avio_wb32(pb, 0x6b6840f2);
914 avio_wb32(pb, 0x5f244fc5);
915 avio_wb32(pb, 0xba39a51b);
916 avio_wb32(pb, 0xcf0323f3);
921 static const uint16_t fiel_data[] = {
922 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
925 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
927 unsigned mov_field_order = 0;
928 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
929 mov_field_order = fiel_data[track->enc->field_order];
933 ffio_wfourcc(pb, "fiel");
934 avio_wb16(pb, mov_field_order);
938 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
940 int64_t pos = avio_tell(pb);
941 avio_wb32(pb, 0); /* size */
942 avio_wl32(pb, track->tag); // store it byteswapped
943 avio_wb32(pb, 0); /* Reserved */
944 avio_wb16(pb, 0); /* Reserved */
945 avio_wb16(pb, 1); /* Data-reference index */
947 if (track->enc->extradata_size)
948 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
950 return update_size(pb, pos);
953 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
956 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
957 track->enc->sample_aspect_ratio.den, INT_MAX);
960 ffio_wfourcc(pb, "pasp");
961 avio_wb32(pb, sar.num);
962 avio_wb32(pb, sar.den);
966 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
968 int64_t pos = avio_tell(pb);
969 char compressor_name[32] = { 0 };
971 avio_wb32(pb, 0); /* size */
972 avio_wl32(pb, track->tag); // store it byteswapped
973 avio_wb32(pb, 0); /* Reserved */
974 avio_wb16(pb, 0); /* Reserved */
975 avio_wb16(pb, 1); /* Data-reference index */
977 avio_wb16(pb, 0); /* Codec stream version */
978 avio_wb16(pb, 0); /* Codec stream revision (=0) */
979 if (track->mode == MODE_MOV) {
980 ffio_wfourcc(pb, "FFMP"); /* Vendor */
981 if(track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
982 avio_wb32(pb, 0); /* Temporal Quality */
983 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
985 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
986 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
989 avio_wb32(pb, 0); /* Reserved */
990 avio_wb32(pb, 0); /* Reserved */
991 avio_wb32(pb, 0); /* Reserved */
993 avio_wb16(pb, track->enc->width); /* Video width */
994 avio_wb16(pb, track->height); /* Video height */
995 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
996 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
997 avio_wb32(pb, 0); /* Data size (= 0) */
998 avio_wb16(pb, 1); /* Frame count (= 1) */
1000 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1001 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1002 av_strlcpy(compressor_name,track->enc->codec->name,32);
1003 avio_w8(pb, strlen(compressor_name));
1004 avio_write(pb, compressor_name, 31);
1006 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1007 avio_wb16(pb, track->enc->bits_per_coded_sample);
1009 avio_wb16(pb, 0x18); /* Reserved */
1010 avio_wb16(pb, 0xffff); /* Reserved */
1011 if(track->tag == MKTAG('m','p','4','v'))
1012 mov_write_esds_tag(pb, track);
1013 else if(track->enc->codec_id == AV_CODEC_ID_H263)
1014 mov_write_d263_tag(pb);
1015 else if(track->enc->codec_id == AV_CODEC_ID_SVQ3)
1016 mov_write_svq3_tag(pb);
1017 else if(track->enc->codec_id == AV_CODEC_ID_DNXHD)
1018 mov_write_avid_tag(pb, track);
1019 else if(track->enc->codec_id == AV_CODEC_ID_H264) {
1020 mov_write_avcc_tag(pb, track);
1021 if(track->mode == MODE_IPOD)
1022 mov_write_uuid_tag_ipod(pb);
1023 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1024 mov_write_fiel_tag(pb, track);
1025 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1026 mov_write_dvc1_tag(pb, track);
1027 else if (track->vos_len > 0)
1028 mov_write_glbl_tag(pb, track);
1030 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1031 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1032 mov_write_pasp_tag(pb, track);
1035 return update_size(pb, pos);
1038 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1040 int64_t pos = avio_tell(pb);
1041 avio_wb32(pb, 0); /* size */
1042 ffio_wfourcc(pb, "rtp ");
1043 avio_wb32(pb, 0); /* Reserved */
1044 avio_wb16(pb, 0); /* Reserved */
1045 avio_wb16(pb, 1); /* Data-reference index */
1047 avio_wb16(pb, 1); /* Hint track version */
1048 avio_wb16(pb, 1); /* Highest compatible version */
1049 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1051 avio_wb32(pb, 12); /* size */
1052 ffio_wfourcc(pb, "tims");
1053 avio_wb32(pb, track->timescale);
1055 return update_size(pb, pos);
1058 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1060 int64_t pos = avio_tell(pb);
1061 avio_wb32(pb, 0); /* size */
1062 ffio_wfourcc(pb, "stsd");
1063 avio_wb32(pb, 0); /* version & flags */
1064 avio_wb32(pb, 1); /* entry count */
1065 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1066 mov_write_video_tag(pb, track);
1067 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1068 mov_write_audio_tag(pb, track);
1069 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1070 mov_write_subtitle_tag(pb, track);
1071 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1072 mov_write_rtp_tag(pb, track);
1073 return update_size(pb, pos);
1076 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1078 MOVStts *ctts_entries;
1079 uint32_t entries = 0;
1083 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1084 ctts_entries[0].count = 1;
1085 ctts_entries[0].duration = track->cluster[0].cts;
1086 for (i=1; i<track->entry; i++) {
1087 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1088 ctts_entries[entries].count++; /* compress */
1091 ctts_entries[entries].duration = track->cluster[i].cts;
1092 ctts_entries[entries].count = 1;
1095 entries++; /* last one */
1096 atom_size = 16 + (entries * 8);
1097 avio_wb32(pb, atom_size); /* size */
1098 ffio_wfourcc(pb, "ctts");
1099 avio_wb32(pb, 0); /* version & flags */
1100 avio_wb32(pb, entries); /* entry count */
1101 for (i=0; i<entries; i++) {
1102 avio_wb32(pb, ctts_entries[i].count);
1103 avio_wb32(pb, ctts_entries[i].duration);
1105 av_free(ctts_entries);
1109 /* Time to sample atom */
1110 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1112 MOVStts *stts_entries;
1113 uint32_t entries = -1;
1117 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1118 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1119 stts_entries[0].count = track->sample_count;
1120 stts_entries[0].duration = 1;
1123 stts_entries = track->entry ?
1124 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1126 for (i=0; i<track->entry; i++) {
1127 int duration = get_cluster_duration(track, i);
1128 if (i && duration == stts_entries[entries].duration) {
1129 stts_entries[entries].count++; /* compress */
1132 stts_entries[entries].duration = duration;
1133 stts_entries[entries].count = 1;
1136 entries++; /* last one */
1138 atom_size = 16 + (entries * 8);
1139 avio_wb32(pb, atom_size); /* size */
1140 ffio_wfourcc(pb, "stts");
1141 avio_wb32(pb, 0); /* version & flags */
1142 avio_wb32(pb, entries); /* entry count */
1143 for (i=0; i<entries; i++) {
1144 avio_wb32(pb, stts_entries[i].count);
1145 avio_wb32(pb, stts_entries[i].duration);
1147 av_free(stts_entries);
1151 static int mov_write_dref_tag(AVIOContext *pb)
1153 avio_wb32(pb, 28); /* size */
1154 ffio_wfourcc(pb, "dref");
1155 avio_wb32(pb, 0); /* version & flags */
1156 avio_wb32(pb, 1); /* entry count */
1158 avio_wb32(pb, 0xc); /* size */
1159 ffio_wfourcc(pb, "url ");
1160 avio_wb32(pb, 1); /* version & flags */
1165 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1167 int64_t pos = avio_tell(pb);
1168 avio_wb32(pb, 0); /* size */
1169 ffio_wfourcc(pb, "stbl");
1170 mov_write_stsd_tag(pb, track);
1171 mov_write_stts_tag(pb, track);
1172 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1173 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1174 track->has_keyframes && track->has_keyframes < track->entry)
1175 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1176 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1177 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1178 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1179 track->flags & MOV_TRACK_CTTS)
1180 mov_write_ctts_tag(pb, track);
1181 mov_write_stsc_tag(pb, track);
1182 mov_write_stsz_tag(pb, track);
1183 mov_write_stco_tag(pb, track);
1184 return update_size(pb, pos);
1187 static int mov_write_dinf_tag(AVIOContext *pb)
1189 int64_t pos = avio_tell(pb);
1190 avio_wb32(pb, 0); /* size */
1191 ffio_wfourcc(pb, "dinf");
1192 mov_write_dref_tag(pb);
1193 return update_size(pb, pos);
1196 static int mov_write_nmhd_tag(AVIOContext *pb)
1199 ffio_wfourcc(pb, "nmhd");
1204 static int mov_write_gmhd_tag(AVIOContext *pb)
1206 avio_wb32(pb, 0x20); /* size */
1207 ffio_wfourcc(pb, "gmhd");
1208 avio_wb32(pb, 0x18); /* gmin size */
1209 ffio_wfourcc(pb, "gmin");/* generic media info */
1210 avio_wb32(pb, 0); /* version & flags */
1211 avio_wb16(pb, 0x40); /* graphics mode = */
1212 avio_wb16(pb, 0x8000); /* opColor (r?) */
1213 avio_wb16(pb, 0x8000); /* opColor (g?) */
1214 avio_wb16(pb, 0x8000); /* opColor (b?) */
1215 avio_wb16(pb, 0); /* balance */
1216 avio_wb16(pb, 0); /* reserved */
1220 static int mov_write_smhd_tag(AVIOContext *pb)
1222 avio_wb32(pb, 16); /* size */
1223 ffio_wfourcc(pb, "smhd");
1224 avio_wb32(pb, 0); /* version & flags */
1225 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1226 avio_wb16(pb, 0); /* reserved */
1230 static int mov_write_vmhd_tag(AVIOContext *pb)
1232 avio_wb32(pb, 0x14); /* size (always 0x14) */
1233 ffio_wfourcc(pb, "vmhd");
1234 avio_wb32(pb, 0x01); /* version & flags */
1235 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1239 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1241 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1242 int64_t pos = avio_tell(pb);
1244 if (!track) { /* no media --> data handler */
1247 descr = "DataHandler";
1249 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1250 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1252 descr = "VideoHandler";
1253 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1255 descr = "SoundHandler";
1256 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1257 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1258 else hdlr_type = "text";
1259 descr = "SubtitleHandler";
1260 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1262 descr = "HintHandler";
1266 avio_wb32(pb, 0); /* size */
1267 ffio_wfourcc(pb, "hdlr");
1268 avio_wb32(pb, 0); /* Version & flags */
1269 avio_write(pb, hdlr, 4); /* handler */
1270 ffio_wfourcc(pb, hdlr_type); /* handler type */
1271 avio_wb32(pb ,0); /* reserved */
1272 avio_wb32(pb ,0); /* reserved */
1273 avio_wb32(pb ,0); /* reserved */
1274 if (!track || track->mode == MODE_MOV)
1275 avio_w8(pb, strlen(descr)); /* pascal string */
1276 avio_write(pb, descr, strlen(descr)); /* handler description */
1277 if (track && track->mode != MODE_MOV)
1278 avio_w8(pb, 0); /* c string */
1279 return update_size(pb, pos);
1282 static int mov_write_hmhd_tag(AVIOContext *pb)
1284 /* This atom must be present, but leaving the values at zero
1285 * seems harmless. */
1286 avio_wb32(pb, 28); /* size */
1287 ffio_wfourcc(pb, "hmhd");
1288 avio_wb32(pb, 0); /* version, flags */
1289 avio_wb16(pb, 0); /* maxPDUsize */
1290 avio_wb16(pb, 0); /* avgPDUsize */
1291 avio_wb32(pb, 0); /* maxbitrate */
1292 avio_wb32(pb, 0); /* avgbitrate */
1293 avio_wb32(pb, 0); /* reserved */
1297 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1299 int64_t pos = avio_tell(pb);
1300 avio_wb32(pb, 0); /* size */
1301 ffio_wfourcc(pb, "minf");
1302 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1303 mov_write_vmhd_tag(pb);
1304 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1305 mov_write_smhd_tag(pb);
1306 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1307 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1308 else mov_write_nmhd_tag(pb);
1309 } else if (track->tag == MKTAG('r','t','p',' ')) {
1310 mov_write_hmhd_tag(pb);
1312 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1313 mov_write_hdlr_tag(pb, NULL);
1314 mov_write_dinf_tag(pb);
1315 mov_write_stbl_tag(pb, track);
1316 return update_size(pb, pos);
1319 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1321 int version = track->track_duration < INT32_MAX ? 0 : 1;
1323 if (track->mode == MODE_ISM)
1326 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1327 ffio_wfourcc(pb, "mdhd");
1328 avio_w8(pb, version);
1329 avio_wb24(pb, 0); /* flags */
1331 avio_wb64(pb, track->time);
1332 avio_wb64(pb, track->time);
1334 avio_wb32(pb, track->time); /* creation time */
1335 avio_wb32(pb, track->time); /* modification time */
1337 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1339 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1341 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1342 avio_wb16(pb, track->language); /* language */
1343 avio_wb16(pb, 0); /* reserved (quality) */
1345 if(version!=0 && track->mode == MODE_MOV){
1346 av_log(NULL, AV_LOG_ERROR,
1347 "FATAL error, file duration too long for timebase, this file will not be\n"
1348 "playable with quicktime. Choose a different timebase or a different\n"
1349 "container format\n");
1355 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1357 int64_t pos = avio_tell(pb);
1358 avio_wb32(pb, 0); /* size */
1359 ffio_wfourcc(pb, "mdia");
1360 mov_write_mdhd_tag(pb, track);
1361 mov_write_hdlr_tag(pb, track);
1362 mov_write_minf_tag(pb, track);
1363 return update_size(pb, pos);
1366 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1368 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1369 track->timescale, AV_ROUND_UP);
1370 int version = duration < INT32_MAX ? 0 : 1;
1372 if (track->mode == MODE_ISM)
1375 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1376 ffio_wfourcc(pb, "tkhd");
1377 avio_w8(pb, version);
1378 avio_wb24(pb, 0xf); /* flags (track enabled) */
1380 avio_wb64(pb, track->time);
1381 avio_wb64(pb, track->time);
1383 avio_wb32(pb, track->time); /* creation time */
1384 avio_wb32(pb, track->time); /* modification time */
1386 avio_wb32(pb, track->track_id); /* track-id */
1387 avio_wb32(pb, 0); /* reserved */
1389 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1391 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1393 avio_wb32(pb, 0); /* reserved */
1394 avio_wb32(pb, 0); /* reserved */
1395 avio_wb16(pb, 0); /* layer */
1396 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1397 /* Volume, only for audio */
1398 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1399 avio_wb16(pb, 0x0100);
1402 avio_wb16(pb, 0); /* reserved */
1404 /* Matrix structure */
1405 avio_wb32(pb, 0x00010000); /* reserved */
1406 avio_wb32(pb, 0x0); /* reserved */
1407 avio_wb32(pb, 0x0); /* reserved */
1408 avio_wb32(pb, 0x0); /* reserved */
1409 avio_wb32(pb, 0x00010000); /* reserved */
1410 avio_wb32(pb, 0x0); /* reserved */
1411 avio_wb32(pb, 0x0); /* reserved */
1412 avio_wb32(pb, 0x0); /* reserved */
1413 avio_wb32(pb, 0x40000000); /* reserved */
1415 /* Track width and height, for visual only */
1416 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1417 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1418 if(track->mode == MODE_MOV) {
1419 avio_wb32(pb, track->enc->width << 16);
1420 avio_wb32(pb, track->height << 16);
1422 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1423 if(!sample_aspect_ratio || track->height != track->enc->height)
1424 sample_aspect_ratio = 1;
1425 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1426 avio_wb32(pb, track->height*0x10000);
1436 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1438 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1439 track->enc->sample_aspect_ratio.den);
1441 int64_t pos = avio_tell(pb);
1443 avio_wb32(pb, 0); /* size */
1444 ffio_wfourcc(pb, "tapt");
1447 ffio_wfourcc(pb, "clef");
1449 avio_wb32(pb, width << 16);
1450 avio_wb32(pb, track->enc->height << 16);
1453 ffio_wfourcc(pb, "enof");
1455 avio_wb32(pb, track->enc->width << 16);
1456 avio_wb32(pb, track->enc->height << 16);
1458 return update_size(pb, pos);
1461 // This box seems important for the psp playback ... without it the movie seems to hang
1462 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1464 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1465 track->timescale, AV_ROUND_UP);
1466 int version = duration < INT32_MAX ? 0 : 1;
1467 int entry_size, entry_count, size;
1468 int64_t delay, start_ct = track->cluster[0].cts;
1469 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1470 track->timescale, AV_ROUND_DOWN);
1471 version |= delay < INT32_MAX ? 0 : 1;
1473 entry_size = (version == 1) ? 20 : 12;
1474 entry_count = 1 + (delay > 0);
1475 size = 24 + entry_count * entry_size;
1477 /* write the atom data */
1478 avio_wb32(pb, size);
1479 ffio_wfourcc(pb, "edts");
1480 avio_wb32(pb, size - 8);
1481 ffio_wfourcc(pb, "elst");
1482 avio_w8(pb, version);
1483 avio_wb24(pb, 0); /* flags */
1485 avio_wb32(pb, entry_count);
1486 if (delay > 0) { /* add an empty edit to delay presentation */
1488 avio_wb64(pb, delay);
1491 avio_wb32(pb, delay);
1494 avio_wb32(pb, 0x00010000);
1499 avio_wb64(pb, duration);
1500 avio_wb64(pb, start_ct);
1502 avio_wb32(pb, duration);
1503 avio_wb32(pb, start_ct);
1505 avio_wb32(pb, 0x00010000);
1509 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1511 avio_wb32(pb, 20); // size
1512 ffio_wfourcc(pb, "tref");
1513 avio_wb32(pb, 12); // size (subatom)
1514 avio_wl32(pb, track->tref_tag);
1515 avio_wb32(pb, track->tref_id);
1519 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1520 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1522 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1523 ffio_wfourcc(pb, "uuid");
1524 ffio_wfourcc(pb, "USMT");
1525 avio_wb32(pb, 0x21d24fce);
1526 avio_wb32(pb, 0xbb88695c);
1527 avio_wb32(pb, 0xfac9c740);
1528 avio_wb32(pb, 0x1c); // another size here!
1529 ffio_wfourcc(pb, "MTDT");
1530 avio_wb32(pb, 0x00010012);
1531 avio_wb32(pb, 0x0a);
1532 avio_wb32(pb, 0x55c40000);
1538 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1541 AVFormatContext *ctx = track->rtp_ctx;
1542 char buf[1000] = "";
1545 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1546 NULL, NULL, 0, 0, ctx);
1547 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1550 avio_wb32(pb, len + 24);
1551 ffio_wfourcc(pb, "udta");
1552 avio_wb32(pb, len + 16);
1553 ffio_wfourcc(pb, "hnti");
1554 avio_wb32(pb, len + 8);
1555 ffio_wfourcc(pb, "sdp ");
1556 avio_write(pb, buf, len);
1560 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1561 MOVTrack *track, AVStream *st)
1563 int64_t pos = avio_tell(pb);
1564 avio_wb32(pb, 0); /* size */
1565 ffio_wfourcc(pb, "trak");
1566 mov_write_tkhd_tag(pb, track, st);
1567 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1568 (track->entry && track->cluster[0].dts)) {
1569 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1570 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1572 if (track->tref_tag)
1573 mov_write_tref_tag(pb, track);
1574 mov_write_mdia_tag(pb, track);
1575 if (track->mode == MODE_PSP)
1576 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1577 if (track->tag == MKTAG('r','t','p',' '))
1578 mov_write_udta_sdp(pb, track);
1579 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1580 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1581 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1582 mov_write_tapt_tag(pb, track);
1584 return update_size(pb, pos);
1587 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1589 int i, has_audio = 0, has_video = 0;
1590 int64_t pos = avio_tell(pb);
1591 int audio_profile = mov->iods_audio_profile;
1592 int video_profile = mov->iods_video_profile;
1593 for (i = 0; i < mov->nb_streams; i++) {
1594 if(mov->tracks[i].entry > 0) {
1595 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1596 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1599 if (audio_profile < 0)
1600 audio_profile = 0xFF - has_audio;
1601 if (video_profile < 0)
1602 video_profile = 0xFF - has_video;
1603 avio_wb32(pb, 0x0); /* size */
1604 ffio_wfourcc(pb, "iods");
1605 avio_wb32(pb, 0); /* version & flags */
1606 put_descr(pb, 0x10, 7);
1607 avio_wb16(pb, 0x004f);
1610 avio_w8(pb, audio_profile);
1611 avio_w8(pb, video_profile);
1613 return update_size(pb, pos);
1616 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1618 avio_wb32(pb, 0x20); /* size */
1619 ffio_wfourcc(pb, "trex");
1620 avio_wb32(pb, 0); /* version & flags */
1621 avio_wb32(pb, track->track_id); /* track ID */
1622 avio_wb32(pb, 1); /* default sample description index */
1623 avio_wb32(pb, 0); /* default sample duration */
1624 avio_wb32(pb, 0); /* default sample size */
1625 avio_wb32(pb, 0); /* default sample flags */
1629 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1631 int64_t pos = avio_tell(pb);
1633 avio_wb32(pb, 0x0); /* size */
1634 ffio_wfourcc(pb, "mvex");
1635 for (i = 0; i < mov->nb_streams; i++)
1636 mov_write_trex_tag(pb, &mov->tracks[i]);
1637 return update_size(pb, pos);
1640 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1642 int max_track_id = 1, i;
1643 int64_t max_track_len_temp, max_track_len = 0;
1646 for (i=0; i<mov->nb_streams; i++) {
1647 if(mov->tracks[i].entry > 0) {
1648 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1650 mov->tracks[i].timescale,
1652 if (max_track_len < max_track_len_temp)
1653 max_track_len = max_track_len_temp;
1654 if (max_track_id < mov->tracks[i].track_id)
1655 max_track_id = mov->tracks[i].track_id;
1659 version = max_track_len < UINT32_MAX ? 0 : 1;
1660 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1661 ffio_wfourcc(pb, "mvhd");
1662 avio_w8(pb, version);
1663 avio_wb24(pb, 0); /* flags */
1665 avio_wb64(pb, mov->time);
1666 avio_wb64(pb, mov->time);
1668 avio_wb32(pb, mov->time); /* creation time */
1669 avio_wb32(pb, mov->time); /* modification time */
1671 avio_wb32(pb, MOV_TIMESCALE);
1672 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1674 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1675 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1676 avio_wb16(pb, 0); /* reserved */
1677 avio_wb32(pb, 0); /* reserved */
1678 avio_wb32(pb, 0); /* reserved */
1680 /* Matrix structure */
1681 avio_wb32(pb, 0x00010000); /* reserved */
1682 avio_wb32(pb, 0x0); /* reserved */
1683 avio_wb32(pb, 0x0); /* reserved */
1684 avio_wb32(pb, 0x0); /* reserved */
1685 avio_wb32(pb, 0x00010000); /* reserved */
1686 avio_wb32(pb, 0x0); /* reserved */
1687 avio_wb32(pb, 0x0); /* reserved */
1688 avio_wb32(pb, 0x0); /* reserved */
1689 avio_wb32(pb, 0x40000000); /* reserved */
1691 avio_wb32(pb, 0); /* reserved (preview time) */
1692 avio_wb32(pb, 0); /* reserved (preview duration) */
1693 avio_wb32(pb, 0); /* reserved (poster time) */
1694 avio_wb32(pb, 0); /* reserved (selection time) */
1695 avio_wb32(pb, 0); /* reserved (selection duration) */
1696 avio_wb32(pb, 0); /* reserved (current time) */
1697 avio_wb32(pb, max_track_id + 1); /* Next track id */
1701 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1704 avio_wb32(pb, 33); /* size */
1705 ffio_wfourcc(pb, "hdlr");
1708 ffio_wfourcc(pb, "mdir");
1709 ffio_wfourcc(pb, "appl");
1716 /* helper function to write a data tag with the specified string as data */
1717 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1720 int size = 16 + strlen(data);
1721 avio_wb32(pb, size); /* size */
1722 ffio_wfourcc(pb, "data");
1725 avio_write(pb, data, strlen(data));
1729 lang = ff_mov_iso639_to_lang("und", 1);
1730 avio_wb16(pb, strlen(data)); /* string length */
1731 avio_wb16(pb, lang);
1732 avio_write(pb, data, strlen(data));
1733 return strlen(data) + 4;
1737 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1739 if (value && value[0]) {
1740 int64_t pos = avio_tell(pb);
1741 avio_wb32(pb, 0); /* size */
1742 ffio_wfourcc(pb, name);
1743 mov_write_string_data_tag(pb, value, lang, long_style);
1744 size = update_size(pb, pos);
1749 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1750 const char *name, const char *tag,
1753 int l, lang = 0, len, len2;
1754 AVDictionaryEntry *t, *t2 = NULL;
1757 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1760 len = strlen(t->key);
1761 snprintf(tag2, sizeof(tag2), "%s-", tag);
1762 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1763 len2 = strlen(t2->key);
1764 if (len2 == len+4 && !strcmp(t->value, t2->value)
1765 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1770 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1773 /* iTunes track number */
1774 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1777 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1778 int size = 0, track = t ? atoi(t->value) : 0;
1780 avio_wb32(pb, 32); /* size */
1781 ffio_wfourcc(pb, "trkn");
1782 avio_wb32(pb, 24); /* size */
1783 ffio_wfourcc(pb, "data");
1784 avio_wb32(pb, 0); // 8 bytes empty
1786 avio_wb16(pb, 0); // empty
1787 avio_wb16(pb, track); // track number
1788 avio_wb16(pb, 0); // total track number
1789 avio_wb16(pb, 0); // empty
1795 /* iTunes meta data list */
1796 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1799 int64_t pos = avio_tell(pb);
1800 avio_wb32(pb, 0); /* size */
1801 ffio_wfourcc(pb, "ilst");
1802 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1803 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1804 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1805 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1806 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1807 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1808 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1809 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1810 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1811 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1812 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1813 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1814 mov_write_string_metadata(s, pb, "desc", "description",1);
1815 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1816 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1817 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1818 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1819 mov_write_trkn_tag(pb, mov, s);
1820 return update_size(pb, pos);
1823 /* iTunes meta data tag */
1824 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1828 int64_t pos = avio_tell(pb);
1829 avio_wb32(pb, 0); /* size */
1830 ffio_wfourcc(pb, "meta");
1832 mov_write_itunes_hdlr_tag(pb, mov, s);
1833 mov_write_ilst_tag(pb, mov, s);
1834 size = update_size(pb, pos);
1838 static int utf8len(const uint8_t *b)
1843 GET_UTF8(val, *b++, return -1;)
1849 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1853 GET_UTF8(val, *b++, return -1;)
1856 avio_wb16(pb, 0x00);
1860 static uint16_t language_code(const char *str)
1862 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1865 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1866 const char *tag, const char *str)
1868 int64_t pos = avio_tell(pb);
1869 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1870 if (!t || !utf8len(t->value))
1872 avio_wb32(pb, 0); /* size */
1873 ffio_wfourcc(pb, tag); /* type */
1874 avio_wb32(pb, 0); /* version + flags */
1875 if (!strcmp(tag, "yrrc"))
1876 avio_wb16(pb, atoi(t->value));
1878 avio_wb16(pb, language_code("eng")); /* language */
1879 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1880 if (!strcmp(tag, "albm") &&
1881 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1882 avio_w8(pb, atoi(t->value));
1884 return update_size(pb, pos);
1887 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1889 int64_t pos = avio_tell(pb);
1890 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1892 avio_wb32(pb, 0); // size
1893 ffio_wfourcc(pb, "chpl");
1894 avio_wb32(pb, 0x01000000); // version + flags
1895 avio_wb32(pb, 0); // unknown
1896 avio_w8(pb, nb_chapters);
1898 for (i = 0; i < nb_chapters; i++) {
1899 AVChapter *c = s->chapters[i];
1900 AVDictionaryEntry *t;
1901 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1903 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1904 int len = FFMIN(strlen(t->value), 255);
1906 avio_write(pb, t->value, len);
1910 return update_size(pb, pos);
1913 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1916 AVIOContext *pb_buf;
1920 for (i = 0; i < s->nb_streams; i++)
1921 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1925 ret = avio_open_dyn_buf(&pb_buf);
1929 if (mov->mode & MODE_3GP) {
1930 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1931 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1932 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1933 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1934 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1935 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1936 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1937 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1938 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1939 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1940 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1941 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1942 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1943 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1944 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1945 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1946 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1947 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1949 /* iTunes meta data */
1950 mov_write_meta_tag(pb_buf, mov, s);
1954 mov_write_chpl_tag(pb_buf, s);
1956 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1957 avio_wb32(pb, size+8);
1958 ffio_wfourcc(pb, "udta");
1959 avio_write(pb, buf, size);
1966 static void mov_write_psp_udta_tag(AVIOContext *pb,
1967 const char *str, const char *lang, int type)
1969 int len = utf8len(str)+1;
1972 avio_wb16(pb, len*2+10); /* size */
1973 avio_wb32(pb, type); /* type */
1974 avio_wb16(pb, language_code(lang)); /* language */
1975 avio_wb16(pb, 0x01); /* ? */
1976 ascii_to_wc(pb, str);
1979 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1981 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1985 pos = avio_tell(pb);
1986 avio_wb32(pb, 0); /* size placeholder*/
1987 ffio_wfourcc(pb, "uuid");
1988 ffio_wfourcc(pb, "USMT");
1989 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1990 avio_wb32(pb, 0xbb88695c);
1991 avio_wb32(pb, 0xfac9c740);
1993 pos2 = avio_tell(pb);
1994 avio_wb32(pb, 0); /* size placeholder*/
1995 ffio_wfourcc(pb, "MTDT");
1999 avio_wb16(pb, 0x0C); /* size */
2000 avio_wb32(pb, 0x0B); /* type */
2001 avio_wb16(pb, language_code("und")); /* language */
2002 avio_wb16(pb, 0x0); /* ? */
2003 avio_wb16(pb, 0x021C); /* data */
2005 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2006 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2007 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2009 update_size(pb, pos2);
2010 return update_size(pb, pos);
2016 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2020 int64_t pos = avio_tell(pb);
2021 avio_wb32(pb, 0); /* size placeholder*/
2022 ffio_wfourcc(pb, "moov");
2024 for (i=0; i<mov->nb_streams; i++) {
2025 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2028 mov->tracks[i].time = mov->time;
2029 mov->tracks[i].track_id = i+1;
2032 if (mov->chapter_track)
2033 for (i=0; i<s->nb_streams; i++) {
2034 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2035 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2037 for (i = 0; i < mov->nb_streams; i++) {
2038 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2039 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2040 mov->tracks[i].tref_id =
2041 mov->tracks[mov->tracks[i].src_track].track_id;
2045 mov_write_mvhd_tag(pb, mov);
2046 if (mov->mode != MODE_MOV && !mov->iods_skip)
2047 mov_write_iods_tag(pb, mov);
2048 for (i=0; i<mov->nb_streams; i++) {
2049 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2050 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2053 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2054 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2056 if (mov->mode == MODE_PSP)
2057 mov_write_uuidusmt_tag(pb, s);
2059 mov_write_udta_tag(pb, mov, s);
2061 return update_size(pb, pos);
2064 static void param_write_int(AVIOContext *pb, const char *name, int value)
2066 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2069 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2071 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2074 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2077 len = FFMIN(sizeof(buf)/2 - 1, len);
2078 ff_data_to_hex(buf, value, len, 0);
2080 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2083 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2085 int64_t pos = avio_tell(pb);
2087 const uint8_t uuid[] = {
2088 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2089 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2093 ffio_wfourcc(pb, "uuid");
2094 avio_write(pb, uuid, sizeof(uuid));
2097 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2098 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2099 avio_printf(pb, "<head>\n");
2100 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2102 avio_printf(pb, "</head>\n");
2103 avio_printf(pb, "<body>\n");
2104 avio_printf(pb, "<switch>\n");
2105 for (i = 0; i < mov->nb_streams; i++) {
2106 MOVTrack *track = &mov->tracks[i];
2108 /* track->track_id is initialized in write_moov, and thus isn't known
2110 int track_id = i + 1;
2112 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2114 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2119 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2120 track->enc->bit_rate);
2121 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2122 param_write_int(pb, "trackID", track_id);
2123 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2124 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2126 int size = track->enc->extradata_size;
2127 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2129 param_write_hex(pb, "CodecPrivateData",
2130 ptr ? ptr : track->enc->extradata,
2134 param_write_string(pb, "FourCC", "H264");
2135 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2136 param_write_string(pb, "FourCC", "WVC1");
2137 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2138 track->enc->extradata_size);
2140 param_write_int(pb, "MaxWidth", track->enc->width);
2141 param_write_int(pb, "MaxHeight", track->enc->height);
2142 param_write_int(pb, "DisplayWidth", track->enc->width);
2143 param_write_int(pb, "DisplayHeight", track->enc->height);
2145 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2146 param_write_string(pb, "FourCC", "AACL");
2147 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2148 param_write_string(pb, "FourCC", "WMAP");
2150 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2151 track->enc->extradata_size);
2152 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2153 track->enc->codec_id));
2154 param_write_int(pb, "Channels", track->enc->channels);
2155 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2156 param_write_int(pb, "BitsPerSample", 16);
2157 param_write_int(pb, "PacketSize", track->enc->block_align ?
2158 track->enc->block_align : 4);
2160 avio_printf(pb, "</%s>\n", type);
2162 avio_printf(pb, "</switch>\n");
2163 avio_printf(pb, "</body>\n");
2164 avio_printf(pb, "</smil>\n");
2166 return update_size(pb, pos);
2169 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2172 ffio_wfourcc(pb, "mfhd");
2174 avio_wb32(pb, mov->fragments);
2178 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2179 int64_t moof_offset)
2181 int64_t pos = avio_tell(pb);
2182 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2183 MOV_TFHD_BASE_DATA_OFFSET;
2184 if (!track->entry) {
2185 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2187 flags |= MOV_TFHD_DEFAULT_FLAGS;
2190 /* Don't set a default sample size, the silverlight player refuses
2191 * to play files with that set. Don't set a default sample duration,
2192 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2193 * file format says it MUST NOT be set. */
2194 if (track->mode == MODE_ISM)
2195 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2196 MOV_TFHD_BASE_DATA_OFFSET);
2198 avio_wb32(pb, 0); /* size placeholder */
2199 ffio_wfourcc(pb, "tfhd");
2200 avio_w8(pb, 0); /* version */
2201 avio_wb24(pb, flags);
2203 avio_wb32(pb, track->track_id); /* track-id */
2204 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2205 avio_wb64(pb, moof_offset);
2206 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2207 track->default_duration = get_cluster_duration(track, 0);
2208 avio_wb32(pb, track->default_duration);
2210 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2211 track->default_size = track->entry ? track->cluster[0].size : 1;
2212 avio_wb32(pb, track->default_size);
2214 track->default_size = -1;
2216 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2217 track->default_sample_flags =
2218 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2219 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2220 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2221 avio_wb32(pb, track->default_sample_flags);
2224 return update_size(pb, pos);
2227 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2229 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2230 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2233 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2235 int64_t pos = avio_tell(pb);
2236 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2239 for (i = 0; i < track->entry; i++) {
2240 if (get_cluster_duration(track, i) != track->default_duration)
2241 flags |= MOV_TRUN_SAMPLE_DURATION;
2242 if (track->cluster[i].size != track->default_size)
2243 flags |= MOV_TRUN_SAMPLE_SIZE;
2244 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2245 flags |= MOV_TRUN_SAMPLE_FLAGS;
2247 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2248 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2249 if (track->flags & MOV_TRACK_CTTS)
2250 flags |= MOV_TRUN_SAMPLE_CTS;
2252 avio_wb32(pb, 0); /* size placeholder */
2253 ffio_wfourcc(pb, "trun");
2254 avio_w8(pb, 0); /* version */
2255 avio_wb24(pb, flags);
2257 avio_wb32(pb, track->entry); /* sample count */
2258 track->moof_size_offset = avio_tell(pb);
2259 avio_wb32(pb, 0); /* data offset */
2260 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2261 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2263 for (i = 0; i < track->entry; i++) {
2264 if (flags & MOV_TRUN_SAMPLE_DURATION)
2265 avio_wb32(pb, get_cluster_duration(track, i));
2266 if (flags & MOV_TRUN_SAMPLE_SIZE)
2267 avio_wb32(pb, track->cluster[i].size);
2268 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2269 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2270 if (flags & MOV_TRUN_SAMPLE_CTS)
2271 avio_wb32(pb, track->cluster[i].cts);
2274 return update_size(pb, pos);
2277 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2279 int64_t pos = avio_tell(pb);
2280 const uint8_t uuid[] = {
2281 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2282 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2285 avio_wb32(pb, 0); /* size placeholder */
2286 ffio_wfourcc(pb, "uuid");
2287 avio_write(pb, uuid, sizeof(uuid));
2290 avio_wb64(pb, track->frag_start);
2291 avio_wb64(pb, track->start_dts + track->track_duration -
2292 track->cluster[0].dts);
2294 return update_size(pb, pos);
2297 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2298 MOVTrack *track, int entry)
2300 int n = track->nb_frag_info - 1 - entry, i;
2301 int size = 8 + 16 + 4 + 1 + 16*n;
2302 const uint8_t uuid[] = {
2303 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2304 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2310 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2311 avio_wb32(pb, size);
2312 ffio_wfourcc(pb, "uuid");
2313 avio_write(pb, uuid, sizeof(uuid));
2317 for (i = 0; i < n; i++) {
2318 int index = entry + 1 + i;
2319 avio_wb64(pb, track->frag_info[index].time);
2320 avio_wb64(pb, track->frag_info[index].duration);
2322 if (n < mov->ism_lookahead) {
2323 int free_size = 16*(mov->ism_lookahead - n);
2324 avio_wb32(pb, free_size);
2325 ffio_wfourcc(pb, "free");
2326 for (i = 0; i < free_size - 8; i++)
2333 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2336 int64_t pos = avio_tell(pb);
2338 for (i = 0; i < mov->ism_lookahead; i++) {
2339 /* Update the tfrf tag for the last ism_lookahead fragments,
2340 * nb_frag_info - 1 is the next fragment to be written. */
2341 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2343 avio_seek(pb, pos, SEEK_SET);
2347 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2348 MOVTrack *track, int64_t moof_offset)
2350 int64_t pos = avio_tell(pb);
2351 avio_wb32(pb, 0); /* size placeholder */
2352 ffio_wfourcc(pb, "traf");
2354 mov_write_tfhd_tag(pb, track, moof_offset);
2355 mov_write_trun_tag(pb, track);
2356 if (mov->mode == MODE_ISM) {
2357 mov_write_tfxd_tag(pb, track);
2359 if (mov->ism_lookahead) {
2360 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2362 track->tfrf_offset = avio_tell(pb);
2363 avio_wb32(pb, 8 + size);
2364 ffio_wfourcc(pb, "free");
2365 for (i = 0; i < size; i++)
2370 return update_size(pb, pos);
2373 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2375 int64_t pos = avio_tell(pb), end;
2378 avio_wb32(pb, 0); /* size placeholder */
2379 ffio_wfourcc(pb, "moof");
2381 mov_write_mfhd_tag(pb, mov);
2382 for (i = 0; i < mov->nb_streams; i++) {
2383 MOVTrack *track = &mov->tracks[i];
2384 if (tracks >= 0 && i != tracks)
2388 mov_write_traf_tag(pb, mov, track, pos);
2391 end = avio_tell(pb);
2392 moof_size = end - pos;
2393 for (i = 0; i < mov->nb_streams; i++) {
2394 MOVTrack *track = &mov->tracks[i];
2395 if (tracks >= 0 && i != tracks)
2399 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2400 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2402 avio_seek(pb, end, SEEK_SET);
2404 return update_size(pb, pos);
2407 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2409 int64_t pos = avio_tell(pb);
2412 avio_wb32(pb, 0); /* size placeholder */
2413 ffio_wfourcc(pb, "tfra");
2414 avio_w8(pb, 1); /* version */
2417 avio_wb32(pb, track->track_id);
2418 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2419 avio_wb32(pb, track->nb_frag_info);
2420 for (i = 0; i < track->nb_frag_info; i++) {
2421 avio_wb64(pb, track->frag_info[i].time);
2422 avio_wb64(pb, track->frag_info[i].offset);
2423 avio_w8(pb, 1); /* traf number */
2424 avio_w8(pb, 1); /* trun number */
2425 avio_w8(pb, 1); /* sample number */
2428 return update_size(pb, pos);
2431 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2433 int64_t pos = avio_tell(pb);
2436 avio_wb32(pb, 0); /* size placeholder */
2437 ffio_wfourcc(pb, "mfra");
2438 /* An empty mfra atom is enough to indicate to the publishing point that
2439 * the stream has ended. */
2440 if (mov->flags & FF_MOV_FLAG_ISML)
2441 return update_size(pb, pos);
2443 for (i = 0; i < mov->nb_streams; i++) {
2444 MOVTrack *track = &mov->tracks[i];
2445 if (track->nb_frag_info)
2446 mov_write_tfra_tag(pb, track);
2450 ffio_wfourcc(pb, "mfro");
2451 avio_wb32(pb, 0); /* version + flags */
2452 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2454 return update_size(pb, pos);
2457 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2459 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2460 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2462 mov->mdat_pos = avio_tell(pb);
2463 avio_wb32(pb, 0); /* size placeholder*/
2464 ffio_wfourcc(pb, "mdat");
2468 /* TODO: This needs to be more general */
2469 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2471 MOVMuxContext *mov = s->priv_data;
2472 int64_t pos = avio_tell(pb);
2473 int has_h264 = 0, has_video = 0;
2477 for (i = 0; i < s->nb_streams; i++) {
2478 AVStream *st = s->streams[i];
2479 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2481 if (st->codec->codec_id == AV_CODEC_ID_H264)
2485 avio_wb32(pb, 0); /* size */
2486 ffio_wfourcc(pb, "ftyp");
2488 if (mov->mode == MODE_3GP) {
2489 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2490 minor = has_h264 ? 0x100 : 0x200;
2491 } else if (mov->mode & MODE_3G2) {
2492 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2493 minor = has_h264 ? 0x20000 : 0x10000;
2494 }else if (mov->mode == MODE_PSP)
2495 ffio_wfourcc(pb, "MSNV");
2496 else if (mov->mode == MODE_MP4)
2497 ffio_wfourcc(pb, "isom");
2498 else if (mov->mode == MODE_IPOD)
2499 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2500 else if (mov->mode == MODE_ISM)
2501 ffio_wfourcc(pb, "isml");
2503 ffio_wfourcc(pb, "qt ");
2505 avio_wb32(pb, minor);
2507 if(mov->mode == MODE_MOV)
2508 ffio_wfourcc(pb, "qt ");
2509 else if (mov->mode == MODE_ISM) {
2510 ffio_wfourcc(pb, "piff");
2511 ffio_wfourcc(pb, "iso2");
2513 ffio_wfourcc(pb, "isom");
2514 ffio_wfourcc(pb, "iso2");
2516 ffio_wfourcc(pb, "avc1");
2519 if (mov->mode == MODE_3GP)
2520 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2521 else if (mov->mode & MODE_3G2)
2522 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2523 else if (mov->mode == MODE_PSP)
2524 ffio_wfourcc(pb, "MSNV");
2525 else if (mov->mode == MODE_MP4)
2526 ffio_wfourcc(pb, "mp41");
2527 return update_size(pb, pos);
2530 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2532 AVCodecContext *video_codec = s->streams[0]->codec;
2533 AVCodecContext *audio_codec = s->streams[1]->codec;
2534 int audio_rate = audio_codec->sample_rate;
2535 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2536 int audio_kbitrate = audio_codec->bit_rate / 1000;
2537 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2539 avio_wb32(pb, 0x94); /* size */
2540 ffio_wfourcc(pb, "uuid");
2541 ffio_wfourcc(pb, "PROF");
2543 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2544 avio_wb32(pb, 0xbb88695c);
2545 avio_wb32(pb, 0xfac9c740);
2547 avio_wb32(pb, 0x0); /* ? */
2548 avio_wb32(pb, 0x3); /* 3 sections ? */
2550 avio_wb32(pb, 0x14); /* size */
2551 ffio_wfourcc(pb, "FPRF");
2552 avio_wb32(pb, 0x0); /* ? */
2553 avio_wb32(pb, 0x0); /* ? */
2554 avio_wb32(pb, 0x0); /* ? */
2556 avio_wb32(pb, 0x2c); /* size */
2557 ffio_wfourcc(pb, "APRF");/* audio */
2559 avio_wb32(pb, 0x2); /* TrackID */
2560 ffio_wfourcc(pb, "mp4a");
2561 avio_wb32(pb, 0x20f);
2563 avio_wb32(pb, audio_kbitrate);
2564 avio_wb32(pb, audio_kbitrate);
2565 avio_wb32(pb, audio_rate);
2566 avio_wb32(pb, audio_codec->channels);
2568 avio_wb32(pb, 0x34); /* size */
2569 ffio_wfourcc(pb, "VPRF"); /* video */
2571 avio_wb32(pb, 0x1); /* TrackID */
2572 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2573 ffio_wfourcc(pb, "avc1");
2574 avio_wb16(pb, 0x014D);
2575 avio_wb16(pb, 0x0015);
2577 ffio_wfourcc(pb, "mp4v");
2578 avio_wb16(pb, 0x0000);
2579 avio_wb16(pb, 0x0103);
2582 avio_wb32(pb, video_kbitrate);
2583 avio_wb32(pb, video_kbitrate);
2584 avio_wb32(pb, frame_rate);
2585 avio_wb32(pb, frame_rate);
2586 avio_wb16(pb, video_codec->width);
2587 avio_wb16(pb, video_codec->height);
2588 avio_wb32(pb, 0x010001); /* ? */
2591 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2594 int i, closed_gop = 0;
2596 for (i = 0; i < pkt->size - 4; i++) {
2597 c = (c<<8) + pkt->data[i];
2598 if (c == 0x1b8) { // gop
2599 closed_gop = pkt->data[i+4]>>6 & 0x01;
2600 } else if (c == 0x100) { // pic
2601 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2602 if (!temp_ref || closed_gop) // I picture is not reordered
2603 *flags = MOV_SYNC_SAMPLE;
2605 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2612 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2614 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2615 int seq = 0, entry = 0;
2616 int key = pkt->flags & AV_PKT_FLAG_KEY;
2617 start = find_next_marker(pkt->data, end);
2618 for (next = start; next < end; start = next) {
2619 next = find_next_marker(start + 4, end);
2620 switch (AV_RB32(start)) {
2621 case VC1_CODE_SEQHDR:
2624 case VC1_CODE_ENTRYPOINT:
2627 case VC1_CODE_SLICE:
2628 trk->vc1_info.slices = 1;
2632 if (!trk->entry && !fragment) {
2633 /* First packet in first fragment */
2634 trk->vc1_info.first_packet_seq = seq;
2635 trk->vc1_info.first_packet_entry = entry;
2636 } else if ((seq && !trk->vc1_info.packet_seq) ||
2637 (entry && !trk->vc1_info.packet_entry)) {
2639 for (i = 0; i < trk->entry; i++)
2640 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2641 trk->has_keyframes = 0;
2643 trk->vc1_info.packet_seq = 1;
2645 trk->vc1_info.packet_entry = 1;
2647 /* First fragment */
2648 if ((!seq || trk->vc1_info.first_packet_seq) &&
2649 (!entry || trk->vc1_info.first_packet_entry)) {
2650 /* First packet had the same headers as this one, readd the
2651 * sync sample flag. */
2652 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2653 trk->has_keyframes = 1;
2657 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2659 else if (trk->vc1_info.packet_seq)
2661 else if (trk->vc1_info.packet_entry)
2664 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2665 trk->has_keyframes++;
2669 static int mov_flush_fragment(AVFormatContext *s)
2671 MOVMuxContext *mov = s->priv_data;
2672 int i, first_track = -1;
2673 int64_t mdat_size = 0;
2675 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2678 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2679 int64_t pos = avio_tell(s->pb);
2681 AVIOContext *moov_buf;
2685 for (i = 0; i < mov->nb_streams; i++)
2686 if (!mov->tracks[i].entry)
2688 /* Don't write the initial moov unless all tracks have data */
2689 if (i < mov->nb_streams)
2692 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2694 mov_write_moov_tag(moov_buf, mov, s);
2695 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2697 for (i = 0; i < mov->nb_streams; i++)
2698 mov->tracks[i].data_offset = pos + buf_size + 8;
2700 mov_write_moov_tag(s->pb, mov, s);
2702 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2703 mov->mdat_buf = NULL;
2704 avio_wb32(s->pb, buf_size + 8);
2705 ffio_wfourcc(s->pb, "mdat");
2706 avio_write(s->pb, buf, buf_size);
2711 for (i = 0; i < mov->nb_streams; i++) {
2712 if (mov->tracks[i].entry)
2713 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2714 mov->tracks[i].track_duration -
2715 mov->tracks[i].cluster[0].dts;
2716 mov->tracks[i].entry = 0;
2722 for (i = 0; i < mov->nb_streams; i++) {
2723 MOVTrack *track = &mov->tracks[i];
2724 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2725 track->data_offset = 0;
2727 track->data_offset = mdat_size;
2728 if (!track->mdat_buf)
2730 mdat_size += avio_tell(track->mdat_buf);
2731 if (first_track < 0)
2738 for (i = 0; i < mov->nb_streams; i++) {
2739 MOVTrack *track = &mov->tracks[i];
2740 int buf_size, write_moof = 1, moof_tracks = -1;
2742 int64_t duration = 0;
2745 duration = track->start_dts + track->track_duration -
2746 track->cluster[0].dts;
2747 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2748 if (!track->mdat_buf)
2750 mdat_size = avio_tell(track->mdat_buf);
2753 write_moof = i == first_track;
2757 MOVFragmentInfo *info;
2759 track->nb_frag_info++;
2760 track->frag_info = av_realloc(track->frag_info,
2761 sizeof(*track->frag_info) *
2762 track->nb_frag_info);
2763 info = &track->frag_info[track->nb_frag_info - 1];
2764 info->offset = avio_tell(s->pb);
2765 info->time = mov->tracks[i].frag_start;
2766 info->duration = duration;
2767 mov_write_tfrf_tags(s->pb, mov, track);
2769 mov_write_moof_tag(s->pb, mov, moof_tracks);
2770 info->tfrf_offset = track->tfrf_offset;
2773 avio_wb32(s->pb, mdat_size + 8);
2774 ffio_wfourcc(s->pb, "mdat");
2778 track->frag_start += duration;
2780 if (!track->mdat_buf)
2782 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2783 track->mdat_buf = NULL;
2785 avio_write(s->pb, buf, buf_size);
2795 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2797 MOVMuxContext *mov = s->priv_data;
2798 AVIOContext *pb = s->pb;
2799 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2800 AVCodecContext *enc = trk->enc;
2801 unsigned int samples_in_chunk = 0;
2802 int size= pkt->size;
2803 uint8_t *reformatted_data = NULL;
2805 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2807 if (mov->fragments > 0) {
2808 if (!trk->mdat_buf) {
2809 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2814 if (!mov->mdat_buf) {
2815 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2822 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
2823 /* We must find out how many AMR blocks there are in one packet */
2824 static uint16_t packed_size[16] =
2825 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2828 while (len < size && samples_in_chunk < 100) {
2829 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2832 if (samples_in_chunk > 1) {
2833 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2836 } else if (trk->sample_size)
2837 samples_in_chunk = size / trk->sample_size;
2839 samples_in_chunk = 1;
2841 /* copy extradata if it exists */
2842 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2843 trk->vos_len = enc->extradata_size;
2844 trk->vos_data = av_malloc(trk->vos_len);
2845 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2848 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2849 /* from x264 or from bytestream h264 */
2850 /* nal reformating needed */
2851 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2852 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2854 avio_write(pb, reformatted_data, size);
2856 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2859 avio_write(pb, pkt->data, size);
2862 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
2863 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
2864 /* copy frame to create needed atoms */
2865 trk->vos_len = size;
2866 trk->vos_data = av_malloc(size);
2868 return AVERROR(ENOMEM);
2869 memcpy(trk->vos_data, pkt->data, size);
2872 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2873 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2878 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2879 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2880 trk->cluster[trk->entry].size = size;
2881 trk->cluster[trk->entry].entries = samples_in_chunk;
2882 trk->cluster[trk->entry].dts = pkt->dts;
2883 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2884 /* First packet of a new fragment. We already wrote the duration
2885 * of the last packet of the previous fragment based on track_duration,
2886 * which might not exactly match our dts. Therefore adjust the dts
2887 * of this packet to be what the previous packets duration implies. */
2888 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2890 if (trk->start_dts == AV_NOPTS_VALUE)
2891 trk->start_dts = pkt->dts;
2892 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2894 if (pkt->pts == AV_NOPTS_VALUE) {
2895 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2896 pkt->pts = pkt->dts;
2898 if (pkt->dts != pkt->pts)
2899 trk->flags |= MOV_TRACK_CTTS;
2900 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2901 trk->cluster[trk->entry].flags = 0;
2902 if (enc->codec_id == AV_CODEC_ID_VC1) {
2903 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2904 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2905 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
2906 trk->entry > 0) { // force sync sample for the first key frame
2907 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2908 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2909 trk->flags |= MOV_TRACK_STPS;
2911 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2913 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2914 trk->has_keyframes++;
2917 trk->sample_count += samples_in_chunk;
2918 mov->mdat_size += size;
2922 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2923 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2924 reformatted_data, size);
2925 av_free(reformatted_data);
2929 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2932 mov_flush_fragment(s);
2935 MOVMuxContext *mov = s->priv_data;
2936 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2937 AVCodecContext *enc = trk->enc;
2938 int64_t frag_duration = 0;
2939 int size = pkt->size;
2941 if (!pkt->size) return 0; /* Discard 0 sized packets */
2944 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
2945 s->streams[pkt->stream_index]->time_base,
2947 if ((mov->max_fragment_duration &&
2948 frag_duration >= mov->max_fragment_duration) ||
2949 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2950 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2951 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2952 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2953 if (frag_duration >= mov->min_fragment_duration)
2954 mov_flush_fragment(s);
2957 return ff_mov_write_packet(s, pkt);
2961 // QuickTime chapters involve an additional text track with the chapter names
2962 // as samples, and a tref pointing from the other tracks to the chapter one.
2963 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2965 MOVMuxContext *mov = s->priv_data;
2966 MOVTrack *track = &mov->tracks[tracknum];
2967 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2970 track->mode = mov->mode;
2971 track->tag = MKTAG('t','e','x','t');
2972 track->timescale = MOV_TIMESCALE;
2973 track->enc = avcodec_alloc_context3(NULL);
2974 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2976 for (i = 0; i < s->nb_chapters; i++) {
2977 AVChapter *c = s->chapters[i];
2978 AVDictionaryEntry *t;
2980 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2981 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2982 pkt.duration = end - pkt.dts;
2984 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2985 len = strlen(t->value);
2987 pkt.data = av_malloc(pkt.size);
2988 AV_WB16(pkt.data, len);
2989 memcpy(pkt.data+2, t->value, len);
2990 ff_mov_write_packet(s, &pkt);
2991 av_freep(&pkt.data);
2996 static int mov_write_header(AVFormatContext *s)
2998 AVIOContext *pb = s->pb;
2999 MOVMuxContext *mov = s->priv_data;
3000 AVDictionaryEntry *t;
3001 int i, hint_track = 0;
3003 /* Set the FRAGMENT flag if any of the fragmentation methods are
3005 if (mov->max_fragment_duration || mov->max_fragment_size ||
3006 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3007 FF_MOV_FLAG_FRAG_KEYFRAME |
3008 FF_MOV_FLAG_FRAG_CUSTOM))
3009 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3011 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3012 * is enabled, we don't support non-seekable output at all. */
3013 if (!s->pb->seekable &&
3014 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3015 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3016 || mov->ism_lookahead)) {
3017 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3021 /* Default mode == MP4 */
3022 mov->mode = MODE_MP4;
3024 if (s->oformat != NULL) {
3025 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3026 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3027 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3028 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3029 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3030 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3032 mov_write_ftyp_tag(pb,s);
3033 if (mov->mode == MODE_PSP) {
3034 if (s->nb_streams != 2) {
3035 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3038 mov_write_uuidprof_tag(pb,s);
3042 mov->nb_streams = s->nb_streams;
3043 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3044 mov->chapter_track = mov->nb_streams++;
3046 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3047 /* Add hint tracks for each audio and video stream */
3048 hint_track = mov->nb_streams;
3049 for (i = 0; i < s->nb_streams; i++) {
3050 AVStream *st = s->streams[i];
3051 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3052 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3058 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3060 return AVERROR(ENOMEM);
3062 for(i=0; i<s->nb_streams; i++){
3063 AVStream *st= s->streams[i];
3064 MOVTrack *track= &mov->tracks[i];
3065 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3067 track->enc = st->codec;
3068 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3069 if (track->language < 0)
3070 track->language = 0;
3071 track->mode = mov->mode;
3072 track->tag = mov_find_codec_tag(s, track);
3074 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3075 "codec not currently supported in container\n", i);
3078 /* If hinting of this track is enabled by a later hint track,
3079 * this is updated. */
3080 track->hint_track = -1;
3081 track->start_dts = AV_NOPTS_VALUE;
3082 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3083 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3084 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3085 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3086 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3087 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3090 track->height = track->tag>>24 == 'n' ? 486 : 576;
3092 track->timescale = st->codec->time_base.den;
3093 if (track->mode == MODE_MOV && track->timescale > 100000)
3094 av_log(s, AV_LOG_WARNING,
3095 "WARNING codec timebase is very high. If duration is too long,\n"
3096 "file may not be playable by quicktime. Specify a shorter timebase\n"
3097 "or choose different container.\n");
3098 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3099 track->timescale = st->codec->sample_rate;
3100 /* set sample_size for PCM and ADPCM */
3101 if (av_get_bits_per_sample(st->codec->codec_id) ||
3102 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3103 if (!st->codec->block_align) {
3104 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3107 track->sample_size = st->codec->block_align;
3109 /* set audio_vbr for compressed audio */
3110 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3111 track->audio_vbr = 1;
3113 if (track->mode != MODE_MOV &&
3114 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3115 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3116 i, track->enc->sample_rate);
3119 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3120 track->timescale = st->codec->time_base.den;
3123 track->height = st->codec->height;
3124 /* The ism specific timescale isn't mandatory, but is assumed by
3125 * some tools, such as mp4split. */
3126 if (mov->mode == MODE_ISM)
3127 track->timescale = 10000000;
3129 avpriv_set_pts_info(st, 64, 1, track->timescale);
3131 /* copy extradata if it exists */
3132 if (st->codec->extradata_size) {
3133 track->vos_len = st->codec->extradata_size;
3134 track->vos_data = av_malloc(track->vos_len);
3135 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3139 if (mov->mode == MODE_ISM) {
3140 /* If no fragmentation options have been set, set a default. */
3141 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3142 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3143 !mov->max_fragment_duration && !mov->max_fragment_size)
3144 mov->max_fragment_duration = 5000000;
3145 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3146 FF_MOV_FLAG_FRAGMENT;
3149 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3150 mov_write_mdat_tag(pb, mov);
3152 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3153 mov->time = ff_iso8601_to_unix_time(t->value);
3155 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3157 if (mov->chapter_track)
3158 mov_create_chapter_track(s, mov->chapter_track);
3160 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3161 /* Initialize the hint tracks for each audio and video stream */
3162 for (i = 0; i < s->nb_streams; i++) {
3163 AVStream *st = s->streams[i];
3164 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3165 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3166 ff_mov_init_hinting(s, hint_track, i);
3174 if (mov->flags & FF_MOV_FLAG_ISML)
3175 mov_write_isml_manifest(pb, mov);
3177 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3178 mov_write_moov_tag(pb, mov, s);
3184 av_freep(&mov->tracks);
3188 static int mov_write_trailer(AVFormatContext *s)
3190 MOVMuxContext *mov = s->priv_data;
3191 AVIOContext *pb = s->pb;
3195 int64_t moov_pos = avio_tell(pb);
3197 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3198 /* Write size of mdat tag */
3199 if (mov->mdat_size + 8 <= UINT32_MAX) {
3200 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3201 avio_wb32(pb, mov->mdat_size + 8);
3203 /* overwrite 'wide' placeholder atom */
3204 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3205 /* special value: real atom size will be 64 bit value after
3208 ffio_wfourcc(pb, "mdat");
3209 avio_wb64(pb, mov->mdat_size + 16);
3211 avio_seek(pb, moov_pos, SEEK_SET);
3213 mov_write_moov_tag(pb, mov, s);
3215 mov_flush_fragment(s);
3216 mov_write_mfra_tag(pb, mov);
3219 if (mov->chapter_track)
3220 av_freep(&mov->tracks[mov->chapter_track].enc);
3222 for (i=0; i<mov->nb_streams; i++) {
3223 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3224 ff_mov_close_hinting(&mov->tracks[i]);
3225 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3226 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3227 int64_t off = avio_tell(pb);
3229 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3230 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3231 avio_write(pb, buf, 7);
3232 avio_seek(pb, off, SEEK_SET);
3235 av_freep(&mov->tracks[i].cluster);
3236 av_freep(&mov->tracks[i].frag_info);
3238 if (mov->tracks[i].vos_len)
3239 av_free(mov->tracks[i].vos_data);
3243 av_freep(&mov->tracks);
3248 #if CONFIG_MOV_MUXER
3250 AVOutputFormat ff_mov_muxer = {
3252 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3253 .extensions = "mov",
3254 .priv_data_size = sizeof(MOVMuxContext),
3255 .audio_codec = AV_CODEC_ID_AAC,
3256 .video_codec = CONFIG_LIBX264_ENCODER ?
3257 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3258 .write_header = mov_write_header,
3259 .write_packet = mov_write_packet,
3260 .write_trailer = mov_write_trailer,
3261 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3262 .codec_tag = (const AVCodecTag* const []){
3263 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3265 .priv_class = &mov_muxer_class,
3268 #if CONFIG_TGP_MUXER
3270 AVOutputFormat ff_tgp_muxer = {
3272 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3273 .extensions = "3gp",
3274 .priv_data_size = sizeof(MOVMuxContext),
3275 .audio_codec = AV_CODEC_ID_AMR_NB,
3276 .video_codec = AV_CODEC_ID_H263,
3277 .write_header = mov_write_header,
3278 .write_packet = mov_write_packet,
3279 .write_trailer = mov_write_trailer,
3280 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3281 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3282 .priv_class = &tgp_muxer_class,
3285 #if CONFIG_MP4_MUXER
3287 AVOutputFormat ff_mp4_muxer = {
3289 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3290 .mime_type = "application/mp4",
3291 .extensions = "mp4",
3292 .priv_data_size = sizeof(MOVMuxContext),
3293 .audio_codec = AV_CODEC_ID_AAC,
3294 .video_codec = CONFIG_LIBX264_ENCODER ?
3295 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3296 .write_header = mov_write_header,
3297 .write_packet = mov_write_packet,
3298 .write_trailer = mov_write_trailer,
3299 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3300 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3301 .priv_class = &mp4_muxer_class,
3304 #if CONFIG_PSP_MUXER
3306 AVOutputFormat ff_psp_muxer = {
3308 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
3309 .extensions = "mp4,psp",
3310 .priv_data_size = sizeof(MOVMuxContext),
3311 .audio_codec = AV_CODEC_ID_AAC,
3312 .video_codec = CONFIG_LIBX264_ENCODER ?
3313 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3314 .write_header = mov_write_header,
3315 .write_packet = mov_write_packet,
3316 .write_trailer = mov_write_trailer,
3317 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3318 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3319 .priv_class = &psp_muxer_class,
3322 #if CONFIG_TG2_MUXER
3324 AVOutputFormat ff_tg2_muxer = {
3326 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
3327 .extensions = "3g2",
3328 .priv_data_size = sizeof(MOVMuxContext),
3329 .audio_codec = AV_CODEC_ID_AMR_NB,
3330 .video_codec = AV_CODEC_ID_H263,
3331 .write_header = mov_write_header,
3332 .write_packet = mov_write_packet,
3333 .write_trailer = mov_write_trailer,
3334 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3335 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3336 .priv_class = &tg2_muxer_class,
3339 #if CONFIG_IPOD_MUXER
3341 AVOutputFormat ff_ipod_muxer = {
3343 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
3344 .mime_type = "application/mp4",
3345 .extensions = "m4v,m4a",
3346 .priv_data_size = sizeof(MOVMuxContext),
3347 .audio_codec = AV_CODEC_ID_AAC,
3348 .video_codec = AV_CODEC_ID_H264,
3349 .write_header = mov_write_header,
3350 .write_packet = mov_write_packet,
3351 .write_trailer = mov_write_trailer,
3352 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3353 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3354 .priv_class = &ipod_muxer_class,
3357 #if CONFIG_ISMV_MUXER
3359 AVOutputFormat ff_ismv_muxer = {
3361 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
3362 .mime_type = "application/mp4",
3363 .extensions = "ismv,isma",
3364 .priv_data_size = sizeof(MOVMuxContext),
3365 .audio_codec = AV_CODEC_ID_AAC,
3366 .video_codec = AV_CODEC_ID_H264,
3367 .write_header = mov_write_header,
3368 .write_packet = mov_write_packet,
3369 .write_trailer = mov_write_trailer,
3370 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3371 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3372 .priv_class = &ismv_muxer_class,