3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
49 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
56 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
57 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
58 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
59 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 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, {.dbl = 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->chunkCount); /* entry count */
98 for (i=0; i<track->entry; i++) {
99 if(!track->cluster[i].chunkNum)
102 avio_wb64(pb, track->cluster[i].pos);
104 avio_wb32(pb, track->cluster[i].pos);
106 return update_size(pb, pos);
109 /* Sample size atom */
110 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
113 int i, j, entries = 0, tst = -1, oldtst = -1;
115 int64_t pos = avio_tell(pb);
116 avio_wb32(pb, 0); /* size */
117 ffio_wfourcc(pb, "stsz");
118 avio_wb32(pb, 0); /* version & flags */
120 for (i=0; i<track->entry; i++) {
121 tst = track->cluster[i].size/track->cluster[i].entries;
122 if(oldtst != -1 && tst != oldtst) {
126 entries += track->cluster[i].entries;
128 if (equalChunks && track->entry) {
129 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
130 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
131 avio_wb32(pb, sSize); // sample size
132 avio_wb32(pb, entries); // sample count
135 avio_wb32(pb, 0); // sample size
136 avio_wb32(pb, entries); // sample count
137 for (i=0; i<track->entry; i++) {
138 for (j=0; j<track->cluster[i].entries; j++) {
139 avio_wb32(pb, track->cluster[i].size /
140 track->cluster[i].entries);
144 return update_size(pb, pos);
147 /* Sample to chunk atom */
148 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
150 int index = 0, oldval = -1, i;
151 int64_t entryPos, curpos;
153 int64_t pos = avio_tell(pb);
154 avio_wb32(pb, 0); /* size */
155 ffio_wfourcc(pb, "stsc");
156 avio_wb32(pb, 0); // version & flags
157 entryPos = avio_tell(pb);
158 avio_wb32(pb, track->chunkCount); // entry count
159 for (i=0; i<track->entry; i++) {
160 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
162 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
163 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
164 avio_wb32(pb, 0x1); // sample description index
165 oldval = track->cluster[i].samples_in_chunk;
169 curpos = avio_tell(pb);
170 avio_seek(pb, entryPos, SEEK_SET);
171 avio_wb32(pb, index); // rewrite size
172 avio_seek(pb, curpos, SEEK_SET);
174 return update_size(pb, pos);
177 /* Sync sample atom */
178 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
180 int64_t curpos, entryPos;
182 int64_t pos = avio_tell(pb);
183 avio_wb32(pb, 0); // size
184 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
185 avio_wb32(pb, 0); // version & flags
186 entryPos = avio_tell(pb);
187 avio_wb32(pb, track->entry); // entry count
188 for (i=0; i<track->entry; i++) {
189 if (track->cluster[i].flags & flag) {
194 curpos = avio_tell(pb);
195 avio_seek(pb, entryPos, SEEK_SET);
196 avio_wb32(pb, index); // rewrite size
197 avio_seek(pb, curpos, SEEK_SET);
198 return update_size(pb, pos);
201 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
203 avio_wb32(pb, 0x11); /* size */
204 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
205 else ffio_wfourcc(pb, "damr");
206 ffio_wfourcc(pb, "FFMP");
207 avio_w8(pb, 0); /* decoder version */
209 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
210 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
211 avio_w8(pb, 0x01); /* Frames per sample */
215 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
220 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
222 if (track->vos_len < 7)
226 ffio_wfourcc(pb, "dac3");
228 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
229 fscod = get_bits(&gbc, 2);
230 frmsizecod = get_bits(&gbc, 6);
231 bsid = get_bits(&gbc, 5);
232 bsmod = get_bits(&gbc, 3);
233 acmod = get_bits(&gbc, 3);
235 skip_bits(&gbc, 2); // dsurmod
237 if ((acmod & 1) && acmod != 1)
238 skip_bits(&gbc, 2); // cmixlev
240 skip_bits(&gbc, 2); // surmixlev
242 lfeon = get_bits1(&gbc);
244 init_put_bits(&pbc, buf, sizeof(buf));
245 put_bits(&pbc, 2, fscod);
246 put_bits(&pbc, 5, bsid);
247 put_bits(&pbc, 3, bsmod);
248 put_bits(&pbc, 3, acmod);
249 put_bits(&pbc, 1, lfeon);
250 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
251 put_bits(&pbc, 5, 0); // reserved
253 flush_put_bits(&pbc);
254 avio_write(pb, buf, sizeof(buf));
260 * This function writes extradata "as is".
261 * Extradata must be formatted like a valid atom (with size and tag).
263 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
265 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
266 return track->enc->extradata_size;
269 static int mov_write_enda_tag(AVIOContext *pb)
272 ffio_wfourcc(pb, "enda");
273 avio_wb16(pb, 1); /* little endian */
277 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
282 avio_w8(pb, (size>>(7*i)) | 0x80);
283 avio_w8(pb, size & 0x7F);
286 static unsigned compute_avg_bitrate(MOVTrack *track)
290 for (i = 0; i < track->entry; i++)
291 size += track->cluster[i].size;
292 return size * 8 * track->timescale / track->track_duration;
295 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
297 int64_t pos = avio_tell(pb);
298 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
299 unsigned avg_bitrate;
301 avio_wb32(pb, 0); // size
302 ffio_wfourcc(pb, "esds");
303 avio_wb32(pb, 0); // Version
306 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
307 avio_wb16(pb, track->track_id);
308 avio_w8(pb, 0x00); // flags (= no flags)
310 // DecoderConfig descriptor
311 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
313 // Object type indication
314 if ((track->enc->codec_id == CODEC_ID_MP2 ||
315 track->enc->codec_id == CODEC_ID_MP3) &&
316 track->enc->sample_rate > 24000)
317 avio_w8(pb, 0x6B); // 11172-3
319 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
321 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
322 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
323 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
324 avio_w8(pb, 0x15); // flags (= Audiostream)
326 avio_w8(pb, 0x11); // flags (= Visualstream)
328 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
329 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
331 avg_bitrate = compute_avg_bitrate(track);
332 // maxbitrate (FIXME should be max rate in any 1 sec window)
333 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
334 avio_wb32(pb, avg_bitrate);
336 if (track->vos_len) {
337 // DecoderSpecific info descriptor
338 put_descr(pb, 0x05, track->vos_len);
339 avio_write(pb, track->vos_data, track->vos_len);
343 put_descr(pb, 0x06, 1);
345 return update_size(pb, pos);
348 static int mov_pcm_le_gt16(enum CodecID codec_id)
350 return codec_id == CODEC_ID_PCM_S24LE ||
351 codec_id == CODEC_ID_PCM_S32LE ||
352 codec_id == CODEC_ID_PCM_F32LE ||
353 codec_id == CODEC_ID_PCM_F64LE;
356 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
358 int64_t pos = avio_tell(pb);
360 avio_wl32(pb, track->tag); // store it byteswapped
361 track->enc->codec_tag = av_bswap16(track->tag >> 16);
362 ff_put_wav_header(pb, track->enc);
363 return update_size(pb, pos);
366 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
368 int64_t pos = avio_tell(pb);
370 ffio_wfourcc(pb, "wfex");
371 ff_put_wav_header(pb, track->enc);
372 return update_size(pb, pos);
375 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
377 uint32_t layout_tag, bitmap;
378 int64_t pos = avio_tell(pb);
380 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
381 track->enc->channel_layout,
384 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
385 "lack of channel information\n");
389 avio_wb32(pb, 0); // Size
390 ffio_wfourcc(pb, "chan"); // Type
391 avio_w8(pb, 0); // Version
392 avio_wb24(pb, 0); // Flags
393 avio_wb32(pb, layout_tag); // mChannelLayoutTag
394 avio_wb32(pb, bitmap); // mChannelBitmap
395 avio_wb32(pb, 0); // mNumberChannelDescriptions
397 return update_size(pb, pos);
400 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
402 int64_t pos = avio_tell(pb);
404 avio_wb32(pb, 0); /* size */
405 ffio_wfourcc(pb, "wave");
407 avio_wb32(pb, 12); /* size */
408 ffio_wfourcc(pb, "frma");
409 avio_wl32(pb, track->tag);
411 if (track->enc->codec_id == CODEC_ID_AAC) {
412 /* useless atom needed by mplayer, ipod, not needed by quicktime */
413 avio_wb32(pb, 12); /* size */
414 ffio_wfourcc(pb, "mp4a");
416 mov_write_esds_tag(pb, track);
417 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
418 mov_write_enda_tag(pb);
419 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
420 mov_write_amr_tag(pb, track);
421 } else if (track->enc->codec_id == CODEC_ID_AC3) {
422 mov_write_chan_tag(pb, track);
423 mov_write_ac3_tag(pb, track);
424 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
425 mov_write_extradata_tag(pb, track);
426 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
427 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
428 mov_write_ms_tag(pb, track);
431 avio_wb32(pb, 8); /* size */
432 avio_wb32(pb, 0); /* null tag */
434 return update_size(pb, pos);
437 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
440 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
441 int unescaped_size, seq_found = 0;
442 int level = 0, interlace = 0;
443 int packet_seq = track->vc1_info.packet_seq;
444 int packet_entry = track->vc1_info.packet_entry;
445 int slices = track->vc1_info.slices;
448 if (track->start_dts == AV_NOPTS_VALUE) {
449 /* No packets written yet, vc1_info isn't authoritative yet. */
450 /* Assume inline sequence and entry headers. This will be
451 * overwritten at the end if the file is seekable. */
452 packet_seq = packet_entry = 1;
455 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
457 return AVERROR(ENOMEM);
458 start = find_next_marker(track->vos_data, end);
459 for (next = start; next < end; start = next) {
462 next = find_next_marker(start + 4, end);
463 size = next - start - 4;
466 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
467 init_get_bits(&gb, unescaped, 8 * unescaped_size);
468 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
469 int profile = get_bits(&gb, 2);
470 if (profile != PROFILE_ADVANCED) {
472 return AVERROR(ENOSYS);
475 level = get_bits(&gb, 3);
476 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
478 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
479 skip_bits(&gb, 1); /* broadcast */
480 interlace = get_bits1(&gb);
481 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
486 return AVERROR(ENOSYS);
489 init_put_bits(&pbc, buf, 7);
490 /* VC1DecSpecStruc */
491 put_bits(&pbc, 4, 12); /* profile - advanced */
492 put_bits(&pbc, 3, level);
493 put_bits(&pbc, 1, 0); /* reserved */
494 /* VC1AdvDecSpecStruc */
495 put_bits(&pbc, 3, level);
496 put_bits(&pbc, 1, 0); /* cbr */
497 put_bits(&pbc, 6, 0); /* reserved */
498 put_bits(&pbc, 1, !interlace); /* no interlace */
499 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
500 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
501 put_bits(&pbc, 1, !slices); /* no slice code */
502 put_bits(&pbc, 1, 0); /* no bframe */
503 put_bits(&pbc, 1, 0); /* reserved */
504 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
505 flush_put_bits(&pbc);
512 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
514 uint8_t buf[7] = { 0 };
517 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
520 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
521 ffio_wfourcc(pb, "dvc1");
522 track->vc1_info.struct_offset = avio_tell(pb);
523 avio_write(pb, buf, sizeof(buf));
524 avio_write(pb, track->vos_data, track->vos_len);
529 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
531 avio_wb32(pb, track->vos_len + 8);
532 ffio_wfourcc(pb, "glbl");
533 avio_write(pb, track->vos_data, track->vos_len);
534 return 8 + track->vos_len;
538 * Compute flags for 'lpcm' tag.
539 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
541 static int mov_get_lpcm_flags(enum CodecID codec_id)
544 case CODEC_ID_PCM_F32BE:
545 case CODEC_ID_PCM_F64BE:
547 case CODEC_ID_PCM_F32LE:
548 case CODEC_ID_PCM_F64LE:
550 case CODEC_ID_PCM_U8:
552 case CODEC_ID_PCM_S16BE:
553 case CODEC_ID_PCM_S24BE:
554 case CODEC_ID_PCM_S32BE:
556 case CODEC_ID_PCM_S8:
557 case CODEC_ID_PCM_S16LE:
558 case CODEC_ID_PCM_S24LE:
559 case CODEC_ID_PCM_S32LE:
566 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
568 int64_t pos = avio_tell(pb);
570 uint32_t tag = track->tag;
572 if (track->mode == MODE_MOV) {
573 if (track->timescale > UINT16_MAX) {
574 if (mov_get_lpcm_flags(track->enc->codec_id))
575 tag = AV_RL32("lpcm");
577 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
578 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
579 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
584 avio_wb32(pb, 0); /* size */
585 avio_wl32(pb, tag); // store it byteswapped
586 avio_wb32(pb, 0); /* Reserved */
587 avio_wb16(pb, 0); /* Reserved */
588 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
590 /* SoundDescription */
591 avio_wb16(pb, version); /* Version */
592 avio_wb16(pb, 0); /* Revision level */
593 avio_wb32(pb, 0); /* Reserved */
598 avio_wb16(pb, 0xfffe);
600 avio_wb32(pb, 0x00010000);
602 avio_wb64(pb, av_double2int(track->enc->sample_rate));
603 avio_wb32(pb, track->enc->channels);
604 avio_wb32(pb, 0x7F000000);
605 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
606 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
607 avio_wb32(pb, track->sample_size);
608 avio_wb32(pb, track->enc->frame_size);
610 if (track->mode == MODE_MOV) {
611 avio_wb16(pb, track->enc->channels);
612 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
613 track->enc->codec_id == CODEC_ID_PCM_S8)
614 avio_wb16(pb, 8); /* bits per sample */
617 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
618 } else { /* reserved for mp4/3gp */
624 avio_wb16(pb, 0); /* packet size (= 0) */
625 avio_wb16(pb, track->enc->sample_rate);
626 avio_wb16(pb, 0); /* Reserved */
629 if(version == 1) { /* SoundDescription V1 extended info */
630 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
631 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
632 avio_wb32(pb, track->sample_size); /* Bytes per frame */
633 avio_wb32(pb, 2); /* Bytes per sample */
636 if(track->mode == MODE_MOV &&
637 (track->enc->codec_id == CODEC_ID_AAC ||
638 track->enc->codec_id == CODEC_ID_AC3 ||
639 track->enc->codec_id == CODEC_ID_AMR_NB ||
640 track->enc->codec_id == CODEC_ID_ALAC ||
641 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
642 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
643 mov_pcm_le_gt16(track->enc->codec_id)))
644 mov_write_wave_tag(pb, track);
645 else if(track->tag == MKTAG('m','p','4','a'))
646 mov_write_esds_tag(pb, track);
647 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
648 mov_write_amr_tag(pb, track);
649 else if(track->enc->codec_id == CODEC_ID_AC3)
650 mov_write_ac3_tag(pb, track);
651 else if(track->enc->codec_id == CODEC_ID_ALAC)
652 mov_write_extradata_tag(pb, track);
653 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
654 mov_write_wfex_tag(pb, track);
655 else if (track->vos_len > 0)
656 mov_write_glbl_tag(pb, track);
658 return update_size(pb, pos);
661 static int mov_write_d263_tag(AVIOContext *pb)
663 avio_wb32(pb, 0xf); /* size */
664 ffio_wfourcc(pb, "d263");
665 ffio_wfourcc(pb, "FFMP");
666 avio_w8(pb, 0); /* decoder version */
667 /* FIXME use AVCodecContext level/profile, when encoder will set values */
668 avio_w8(pb, 0xa); /* level */
669 avio_w8(pb, 0); /* profile */
673 /* TODO: No idea about these values */
674 static int mov_write_svq3_tag(AVIOContext *pb)
677 ffio_wfourcc(pb, "SMI ");
678 ffio_wfourcc(pb, "SEQH");
680 avio_wb32(pb, 0xe2c0211d);
681 avio_wb32(pb, 0xc0000000);
686 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
688 int64_t pos = avio_tell(pb);
691 ffio_wfourcc(pb, "avcC");
692 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
693 return update_size(pb, pos);
696 /* also used by all avid codecs (dv, imx, meridien) and their variants */
697 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
700 avio_wb32(pb, 24); /* size */
701 ffio_wfourcc(pb, "ACLR");
702 ffio_wfourcc(pb, "ACLR");
703 ffio_wfourcc(pb, "0001");
704 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
705 avio_wb32(pb, 0); /* unknown */
707 avio_wb32(pb, 24); /* size */
708 ffio_wfourcc(pb, "APRG");
709 ffio_wfourcc(pb, "APRG");
710 ffio_wfourcc(pb, "0001");
711 avio_wb32(pb, 1); /* unknown */
712 avio_wb32(pb, 0); /* unknown */
714 avio_wb32(pb, 120); /* size */
715 ffio_wfourcc(pb, "ARES");
716 ffio_wfourcc(pb, "ARES");
717 ffio_wfourcc(pb, "0001");
718 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
719 avio_wb32(pb, track->enc->width);
720 /* values below are based on samples created with quicktime and avid codecs */
721 if (track->vos_data[5] & 2) { // interlaced
722 avio_wb32(pb, track->enc->height/2);
723 avio_wb32(pb, 2); /* unknown */
724 avio_wb32(pb, 0); /* unknown */
725 avio_wb32(pb, 4); /* unknown */
727 avio_wb32(pb, track->enc->height);
728 avio_wb32(pb, 1); /* unknown */
729 avio_wb32(pb, 0); /* unknown */
730 if (track->enc->height == 1080)
731 avio_wb32(pb, 5); /* unknown */
733 avio_wb32(pb, 6); /* unknown */
736 for (i = 0; i < 10; i++)
739 /* extra padding for stsd needed */
744 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
746 int tag = track->enc->codec_tag;
748 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
751 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
752 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
753 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
754 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
755 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
756 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
757 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
762 static const AVCodecTag codec_ipod_tags[] = {
763 { CODEC_ID_H264, MKTAG('a','v','c','1') },
764 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
765 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
766 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
767 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
768 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
769 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
770 { CODEC_ID_NONE, 0 },
773 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
775 int tag = track->enc->codec_tag;
777 // keep original tag for subs, ipod supports both formats
778 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
779 (tag == MKTAG('t','x','3','g') ||
780 tag == MKTAG('t','e','x','t'))))
781 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
783 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
784 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
785 "Quicktime/Ipod might not play the file\n");
790 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
794 if (track->enc->width == 720) /* SD */
795 if (track->enc->height == 480) /* NTSC */
796 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
797 else tag = MKTAG('d','v','c',' ');
798 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
799 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
800 else tag = MKTAG('d','v','p','p');
801 else if (track->enc->height == 720) /* HD 720 line */
802 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
803 else tag = MKTAG('d','v','h','p');
804 else if (track->enc->height == 1080) /* HD 1080 line */
805 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
806 else tag = MKTAG('d','v','h','6');
808 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
815 static const struct {
816 enum PixelFormat pix_fmt;
819 } mov_pix_fmt_tags[] = {
820 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
821 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
822 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
823 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
824 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
825 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
826 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
827 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
828 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
829 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
830 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
831 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
832 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
833 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
836 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
838 int tag = track->enc->codec_tag;
841 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
842 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
843 tag = mov_pix_fmt_tags[i].tag;
844 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
852 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
854 int tag = track->enc->codec_tag;
856 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
857 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
858 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
859 track->enc->codec_id == CODEC_ID_H263 ||
860 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
861 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
862 tag = mov_get_dv_codec_tag(s, track);
863 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
864 tag = mov_get_rawvideo_codec_tag(s, track);
865 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
866 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
867 if (!tag) { // if no mac fcc found, try with Microsoft tags
868 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
870 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
871 "the file may be unplayable!\n");
873 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
874 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
875 if (!tag) { // if no mac fcc found, try with Microsoft tags
876 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
878 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
879 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
880 "the file may be unplayable!\n");
883 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
884 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
890 static const AVCodecTag codec_3gp_tags[] = {
891 { CODEC_ID_H263, MKTAG('s','2','6','3') },
892 { CODEC_ID_H264, MKTAG('a','v','c','1') },
893 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
894 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
895 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
896 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
897 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
898 { CODEC_ID_NONE, 0 },
901 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
903 int tag = track->enc->codec_tag;
905 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
906 tag = mp4_get_codec_tag(s, track);
907 else if (track->mode == MODE_ISM) {
908 tag = mp4_get_codec_tag(s, track);
909 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
910 tag = MKTAG('w', 'm', 'a', ' ');
911 } else if (track->mode == MODE_IPOD)
912 tag = ipod_get_codec_tag(s, track);
913 else if (track->mode & MODE_3GP)
914 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
916 tag = mov_get_codec_tag(s, track);
922 * Needed to make file play in iPods running newest firmware
923 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
925 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
928 ffio_wfourcc(pb, "uuid");
929 avio_wb32(pb, 0x6b6840f2);
930 avio_wb32(pb, 0x5f244fc5);
931 avio_wb32(pb, 0xba39a51b);
932 avio_wb32(pb, 0xcf0323f3);
937 static const uint16_t fiel_data[] = {
938 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
941 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
943 unsigned mov_field_order = 0;
944 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
945 mov_field_order = fiel_data[track->enc->field_order];
949 ffio_wfourcc(pb, "fiel");
950 avio_wb16(pb, mov_field_order);
954 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
956 int64_t pos = avio_tell(pb);
957 avio_wb32(pb, 0); /* size */
958 avio_wl32(pb, track->tag); // store it byteswapped
959 avio_wb32(pb, 0); /* Reserved */
960 avio_wb16(pb, 0); /* Reserved */
961 avio_wb16(pb, 1); /* Data-reference index */
963 if (track->enc->extradata_size)
964 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
966 return update_size(pb, pos);
969 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
972 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
973 track->enc->sample_aspect_ratio.den, INT_MAX);
976 ffio_wfourcc(pb, "pasp");
977 avio_wb32(pb, sar.num);
978 avio_wb32(pb, sar.den);
982 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
984 int64_t pos = avio_tell(pb);
985 char compressor_name[32];
987 avio_wb32(pb, 0); /* size */
988 avio_wl32(pb, track->tag); // store it byteswapped
989 avio_wb32(pb, 0); /* Reserved */
990 avio_wb16(pb, 0); /* Reserved */
991 avio_wb16(pb, 1); /* Data-reference index */
993 avio_wb16(pb, 0); /* Codec stream version */
994 avio_wb16(pb, 0); /* Codec stream revision (=0) */
995 if (track->mode == MODE_MOV) {
996 ffio_wfourcc(pb, "FFMP"); /* Vendor */
997 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
998 avio_wb32(pb, 0); /* Temporal Quality */
999 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1001 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1002 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1005 avio_wb32(pb, 0); /* Reserved */
1006 avio_wb32(pb, 0); /* Reserved */
1007 avio_wb32(pb, 0); /* Reserved */
1009 avio_wb16(pb, track->enc->width); /* Video width */
1010 avio_wb16(pb, track->height); /* Video height */
1011 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1012 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1013 avio_wb32(pb, 0); /* Data size (= 0) */
1014 avio_wb16(pb, 1); /* Frame count (= 1) */
1016 memset(compressor_name,0,32);
1017 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1018 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1019 av_strlcpy(compressor_name,track->enc->codec->name,32);
1020 avio_w8(pb, strlen(compressor_name));
1021 avio_write(pb, compressor_name, 31);
1023 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1024 avio_wb16(pb, track->enc->bits_per_coded_sample);
1026 avio_wb16(pb, 0x18); /* Reserved */
1027 avio_wb16(pb, 0xffff); /* Reserved */
1028 if(track->tag == MKTAG('m','p','4','v'))
1029 mov_write_esds_tag(pb, track);
1030 else if(track->enc->codec_id == CODEC_ID_H263)
1031 mov_write_d263_tag(pb);
1032 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1033 mov_write_svq3_tag(pb);
1034 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1035 mov_write_avid_tag(pb, track);
1036 else if(track->enc->codec_id == CODEC_ID_H264) {
1037 mov_write_avcc_tag(pb, track);
1038 if(track->mode == MODE_IPOD)
1039 mov_write_uuid_tag_ipod(pb);
1040 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1041 mov_write_fiel_tag(pb, track);
1042 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1043 mov_write_dvc1_tag(pb, track);
1044 else if (track->vos_len > 0)
1045 mov_write_glbl_tag(pb, track);
1047 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1048 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1049 mov_write_pasp_tag(pb, track);
1052 return update_size(pb, pos);
1055 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1057 int64_t pos = avio_tell(pb);
1058 avio_wb32(pb, 0); /* size */
1059 ffio_wfourcc(pb, "rtp ");
1060 avio_wb32(pb, 0); /* Reserved */
1061 avio_wb16(pb, 0); /* Reserved */
1062 avio_wb16(pb, 1); /* Data-reference index */
1064 avio_wb16(pb, 1); /* Hint track version */
1065 avio_wb16(pb, 1); /* Highest compatible version */
1066 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1068 avio_wb32(pb, 12); /* size */
1069 ffio_wfourcc(pb, "tims");
1070 avio_wb32(pb, track->timescale);
1072 return update_size(pb, pos);
1075 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1077 int64_t pos = avio_tell(pb);
1078 avio_wb32(pb, 0); /* size */
1079 ffio_wfourcc(pb, "stsd");
1080 avio_wb32(pb, 0); /* version & flags */
1081 avio_wb32(pb, 1); /* entry count */
1082 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1083 mov_write_video_tag(pb, track);
1084 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1085 mov_write_audio_tag(pb, track);
1086 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1087 mov_write_subtitle_tag(pb, track);
1088 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1089 mov_write_rtp_tag(pb, track);
1090 return update_size(pb, pos);
1093 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1095 MOVStts *ctts_entries;
1096 uint32_t entries = 0;
1100 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1101 ctts_entries[0].count = 1;
1102 ctts_entries[0].duration = track->cluster[0].cts;
1103 for (i=1; i<track->entry; i++) {
1104 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1105 ctts_entries[entries].count++; /* compress */
1108 ctts_entries[entries].duration = track->cluster[i].cts;
1109 ctts_entries[entries].count = 1;
1112 entries++; /* last one */
1113 atom_size = 16 + (entries * 8);
1114 avio_wb32(pb, atom_size); /* size */
1115 ffio_wfourcc(pb, "ctts");
1116 avio_wb32(pb, 0); /* version & flags */
1117 avio_wb32(pb, entries); /* entry count */
1118 for (i=0; i<entries; i++) {
1119 avio_wb32(pb, ctts_entries[i].count);
1120 avio_wb32(pb, ctts_entries[i].duration);
1122 av_free(ctts_entries);
1126 /* Time to sample atom */
1127 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1129 MOVStts *stts_entries;
1130 uint32_t entries = -1;
1134 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1135 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1136 stts_entries[0].count = track->sample_count;
1137 stts_entries[0].duration = 1;
1140 stts_entries = track->entry ?
1141 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1143 for (i=0; i<track->entry; i++) {
1144 int64_t duration = i + 1 == track->entry ?
1145 track->track_duration - track->cluster[i].dts + track->start_dts : /* readjusting */
1146 track->cluster[i+1].dts - track->cluster[i].dts;
1147 if (i && duration == stts_entries[entries].duration) {
1148 stts_entries[entries].count++; /* compress */
1151 stts_entries[entries].duration = duration;
1152 stts_entries[entries].count = 1;
1155 entries++; /* last one */
1157 atom_size = 16 + (entries * 8);
1158 avio_wb32(pb, atom_size); /* size */
1159 ffio_wfourcc(pb, "stts");
1160 avio_wb32(pb, 0); /* version & flags */
1161 avio_wb32(pb, entries); /* entry count */
1162 for (i=0; i<entries; i++) {
1163 avio_wb32(pb, stts_entries[i].count);
1164 avio_wb32(pb, stts_entries[i].duration);
1166 av_free(stts_entries);
1170 static int mov_write_dref_tag(AVIOContext *pb)
1172 avio_wb32(pb, 28); /* size */
1173 ffio_wfourcc(pb, "dref");
1174 avio_wb32(pb, 0); /* version & flags */
1175 avio_wb32(pb, 1); /* entry count */
1177 avio_wb32(pb, 0xc); /* size */
1178 //FIXME add the alis and rsrc atom
1179 ffio_wfourcc(pb, "url ");
1180 avio_wb32(pb, 1); /* version & flags */
1185 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1187 int64_t pos = avio_tell(pb);
1188 avio_wb32(pb, 0); /* size */
1189 ffio_wfourcc(pb, "stbl");
1190 mov_write_stsd_tag(pb, track);
1191 mov_write_stts_tag(pb, track);
1192 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1193 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1194 track->has_keyframes && track->has_keyframes < track->entry)
1195 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1196 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1197 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1198 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1199 track->flags & MOV_TRACK_CTTS)
1200 mov_write_ctts_tag(pb, track);
1201 mov_write_stsc_tag(pb, track);
1202 mov_write_stsz_tag(pb, track);
1203 mov_write_stco_tag(pb, track);
1204 return update_size(pb, pos);
1207 static int mov_write_dinf_tag(AVIOContext *pb)
1209 int64_t pos = avio_tell(pb);
1210 avio_wb32(pb, 0); /* size */
1211 ffio_wfourcc(pb, "dinf");
1212 mov_write_dref_tag(pb);
1213 return update_size(pb, pos);
1216 static int mov_write_nmhd_tag(AVIOContext *pb)
1219 ffio_wfourcc(pb, "nmhd");
1224 static int mov_write_gmhd_tag(AVIOContext *pb)
1226 avio_wb32(pb, 0x20); /* size */
1227 ffio_wfourcc(pb, "gmhd");
1228 avio_wb32(pb, 0x18); /* gmin size */
1229 ffio_wfourcc(pb, "gmin");/* generic media info */
1230 avio_wb32(pb, 0); /* version & flags */
1231 avio_wb16(pb, 0x40); /* graphics mode = */
1232 avio_wb16(pb, 0x8000); /* opColor (r?) */
1233 avio_wb16(pb, 0x8000); /* opColor (g?) */
1234 avio_wb16(pb, 0x8000); /* opColor (b?) */
1235 avio_wb16(pb, 0); /* balance */
1236 avio_wb16(pb, 0); /* reserved */
1240 static int mov_write_smhd_tag(AVIOContext *pb)
1242 avio_wb32(pb, 16); /* size */
1243 ffio_wfourcc(pb, "smhd");
1244 avio_wb32(pb, 0); /* version & flags */
1245 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1246 avio_wb16(pb, 0); /* reserved */
1250 static int mov_write_vmhd_tag(AVIOContext *pb)
1252 avio_wb32(pb, 0x14); /* size (always 0x14) */
1253 ffio_wfourcc(pb, "vmhd");
1254 avio_wb32(pb, 0x01); /* version & flags */
1255 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1259 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1261 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1262 int64_t pos = avio_tell(pb);
1264 if (!track) { /* no media --> data handler */
1267 descr = "DataHandler";
1269 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1270 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1272 descr = "VideoHandler";
1273 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1275 descr = "SoundHandler";
1276 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1277 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1278 else hdlr_type = "text";
1279 descr = "SubtitleHandler";
1280 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1282 descr = "HintHandler";
1286 avio_wb32(pb, 0); /* size */
1287 ffio_wfourcc(pb, "hdlr");
1288 avio_wb32(pb, 0); /* Version & flags */
1289 avio_write(pb, hdlr, 4); /* handler */
1290 ffio_wfourcc(pb, hdlr_type); /* handler type */
1291 avio_wb32(pb ,0); /* reserved */
1292 avio_wb32(pb ,0); /* reserved */
1293 avio_wb32(pb ,0); /* reserved */
1294 if (!track || track->mode == MODE_MOV)
1295 avio_w8(pb, strlen(descr)); /* pascal string */
1296 avio_write(pb, descr, strlen(descr)); /* handler description */
1297 if (track && track->mode != MODE_MOV)
1298 avio_w8(pb, 0); /* c string */
1299 return update_size(pb, pos);
1302 static int mov_write_hmhd_tag(AVIOContext *pb)
1304 /* This atom must be present, but leaving the values at zero
1305 * seems harmless. */
1306 avio_wb32(pb, 28); /* size */
1307 ffio_wfourcc(pb, "hmhd");
1308 avio_wb32(pb, 0); /* version, flags */
1309 avio_wb16(pb, 0); /* maxPDUsize */
1310 avio_wb16(pb, 0); /* avgPDUsize */
1311 avio_wb32(pb, 0); /* maxbitrate */
1312 avio_wb32(pb, 0); /* avgbitrate */
1313 avio_wb32(pb, 0); /* reserved */
1317 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1319 int64_t pos = avio_tell(pb);
1320 avio_wb32(pb, 0); /* size */
1321 ffio_wfourcc(pb, "minf");
1322 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1323 mov_write_vmhd_tag(pb);
1324 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1325 mov_write_smhd_tag(pb);
1326 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1327 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1328 else mov_write_nmhd_tag(pb);
1329 } else if (track->tag == MKTAG('r','t','p',' ')) {
1330 mov_write_hmhd_tag(pb);
1332 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1333 mov_write_hdlr_tag(pb, NULL);
1334 mov_write_dinf_tag(pb);
1335 mov_write_stbl_tag(pb, track);
1336 return update_size(pb, pos);
1339 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1341 int version = track->track_duration < INT32_MAX ? 0 : 1;
1343 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1344 ffio_wfourcc(pb, "mdhd");
1345 avio_w8(pb, version);
1346 avio_wb24(pb, 0); /* flags */
1348 avio_wb64(pb, track->time);
1349 avio_wb64(pb, track->time);
1351 avio_wb32(pb, track->time); /* creation time */
1352 avio_wb32(pb, track->time); /* modification time */
1354 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1355 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1356 avio_wb16(pb, track->language); /* language */
1357 avio_wb16(pb, 0); /* reserved (quality) */
1359 if(version!=0 && track->mode == MODE_MOV){
1360 av_log(NULL, AV_LOG_ERROR,
1361 "FATAL error, file duration too long for timebase, this file will not be\n"
1362 "playable with quicktime. Choose a different timebase or a different\n"
1363 "container format\n");
1369 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1371 int64_t pos = avio_tell(pb);
1372 avio_wb32(pb, 0); /* size */
1373 ffio_wfourcc(pb, "mdia");
1374 mov_write_mdhd_tag(pb, track);
1375 mov_write_hdlr_tag(pb, track);
1376 mov_write_minf_tag(pb, track);
1377 return update_size(pb, pos);
1380 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1382 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1383 track->timescale, AV_ROUND_UP);
1384 int version = duration < INT32_MAX ? 0 : 1;
1386 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1387 ffio_wfourcc(pb, "tkhd");
1388 avio_w8(pb, version);
1389 avio_wb24(pb, 0xf); /* flags (track enabled) */
1391 avio_wb64(pb, track->time);
1392 avio_wb64(pb, track->time);
1394 avio_wb32(pb, track->time); /* creation time */
1395 avio_wb32(pb, track->time); /* modification time */
1397 avio_wb32(pb, track->track_id); /* track-id */
1398 avio_wb32(pb, 0); /* reserved */
1399 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1401 avio_wb32(pb, 0); /* reserved */
1402 avio_wb32(pb, 0); /* reserved */
1403 avio_wb16(pb, 0); /* layer */
1404 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1405 /* Volume, only for audio */
1406 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1407 avio_wb16(pb, 0x0100);
1410 avio_wb16(pb, 0); /* reserved */
1412 /* Matrix structure */
1413 avio_wb32(pb, 0x00010000); /* reserved */
1414 avio_wb32(pb, 0x0); /* reserved */
1415 avio_wb32(pb, 0x0); /* reserved */
1416 avio_wb32(pb, 0x0); /* reserved */
1417 avio_wb32(pb, 0x00010000); /* reserved */
1418 avio_wb32(pb, 0x0); /* reserved */
1419 avio_wb32(pb, 0x0); /* reserved */
1420 avio_wb32(pb, 0x0); /* reserved */
1421 avio_wb32(pb, 0x40000000); /* reserved */
1423 /* Track width and height, for visual only */
1424 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1425 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1426 if(track->mode == MODE_MOV) {
1427 avio_wb32(pb, track->enc->width << 16);
1428 avio_wb32(pb, track->height << 16);
1430 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1431 if(!sample_aspect_ratio || track->height != track->enc->height)
1432 sample_aspect_ratio = 1;
1433 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1434 avio_wb32(pb, track->height*0x10000);
1444 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1446 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1447 track->enc->sample_aspect_ratio.den);
1449 int64_t pos = avio_tell(pb);
1451 avio_wb32(pb, 0); /* size */
1452 ffio_wfourcc(pb, "tapt");
1455 ffio_wfourcc(pb, "clef");
1457 avio_wb32(pb, width << 16);
1458 avio_wb32(pb, track->enc->height << 16);
1461 ffio_wfourcc(pb, "enof");
1463 avio_wb32(pb, track->enc->width << 16);
1464 avio_wb32(pb, track->enc->height << 16);
1466 return update_size(pb, pos);
1469 // This box seems important for the psp playback ... without it the movie seems to hang
1470 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1472 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1473 track->timescale, AV_ROUND_UP);
1474 int version = duration < INT32_MAX ? 0 : 1;
1475 int entry_size, entry_count, size;
1476 int64_t delay, start_ct = track->cluster[0].cts;
1477 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1478 track->timescale, AV_ROUND_DOWN);
1479 version |= delay < INT32_MAX ? 0 : 1;
1481 entry_size = (version == 1) ? 20 : 12;
1482 entry_count = 1 + (delay > 0);
1483 size = 24 + entry_count * entry_size;
1485 /* write the atom data */
1486 avio_wb32(pb, size);
1487 ffio_wfourcc(pb, "edts");
1488 avio_wb32(pb, size - 8);
1489 ffio_wfourcc(pb, "elst");
1490 avio_w8(pb, version);
1491 avio_wb24(pb, 0); /* flags */
1493 avio_wb32(pb, entry_count);
1494 if (delay > 0) { /* add an empty edit to delay presentation */
1496 avio_wb64(pb, delay);
1499 avio_wb32(pb, delay);
1502 avio_wb32(pb, 0x00010000);
1507 avio_wb64(pb, duration);
1508 avio_wb64(pb, start_ct);
1510 avio_wb32(pb, duration);
1511 avio_wb32(pb, start_ct);
1513 avio_wb32(pb, 0x00010000);
1517 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1519 avio_wb32(pb, 20); // size
1520 ffio_wfourcc(pb, "tref");
1521 avio_wb32(pb, 12); // size (subatom)
1522 avio_wl32(pb, track->tref_tag);
1523 avio_wb32(pb, track->tref_id);
1527 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1528 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1530 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1531 ffio_wfourcc(pb, "uuid");
1532 ffio_wfourcc(pb, "USMT");
1533 avio_wb32(pb, 0x21d24fce);
1534 avio_wb32(pb, 0xbb88695c);
1535 avio_wb32(pb, 0xfac9c740);
1536 avio_wb32(pb, 0x1c); // another size here!
1537 ffio_wfourcc(pb, "MTDT");
1538 avio_wb32(pb, 0x00010012);
1539 avio_wb32(pb, 0x0a);
1540 avio_wb32(pb, 0x55c40000);
1546 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1548 char buf[1000] = "";
1551 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1552 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1555 avio_wb32(pb, len + 24);
1556 ffio_wfourcc(pb, "udta");
1557 avio_wb32(pb, len + 16);
1558 ffio_wfourcc(pb, "hnti");
1559 avio_wb32(pb, len + 8);
1560 ffio_wfourcc(pb, "sdp ");
1561 avio_write(pb, buf, len);
1565 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1566 MOVTrack *track, AVStream *st)
1568 int64_t pos = avio_tell(pb);
1569 avio_wb32(pb, 0); /* size */
1570 ffio_wfourcc(pb, "trak");
1571 mov_write_tkhd_tag(pb, track, st);
1572 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1573 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1574 if (track->tref_tag)
1575 mov_write_tref_tag(pb, track);
1576 mov_write_mdia_tag(pb, track);
1577 if (track->mode == MODE_PSP)
1578 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1579 if (track->tag == MKTAG('r','t','p',' '))
1580 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1581 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1582 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1583 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1584 mov_write_tapt_tag(pb, track);
1586 return update_size(pb, pos);
1589 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1591 int i, has_audio = 0, has_video = 0;
1592 int64_t pos = avio_tell(pb);
1593 int audio_profile = mov->iods_audio_profile;
1594 int video_profile = mov->iods_video_profile;
1595 for (i = 0; i < mov->nb_streams; i++) {
1596 if(mov->tracks[i].entry > 0) {
1597 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1598 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1601 if (audio_profile < 0)
1602 audio_profile = 0xFF - has_audio;
1603 if (video_profile < 0)
1604 video_profile = 0xFF - has_video;
1605 avio_wb32(pb, 0x0); /* size */
1606 ffio_wfourcc(pb, "iods");
1607 avio_wb32(pb, 0); /* version & flags */
1608 put_descr(pb, 0x10, 7);
1609 avio_wb16(pb, 0x004f);
1612 avio_w8(pb, audio_profile);
1613 avio_w8(pb, video_profile);
1615 return update_size(pb, pos);
1618 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1620 avio_wb32(pb, 0x20); /* size */
1621 ffio_wfourcc(pb, "trex");
1622 avio_wb32(pb, 0); /* version & flags */
1623 avio_wb32(pb, track->track_id); /* track ID */
1624 avio_wb32(pb, 1); /* default sample description index */
1625 avio_wb32(pb, 0); /* default sample duration */
1626 avio_wb32(pb, 0); /* default sample size */
1627 avio_wb32(pb, 0); /* default sample flags */
1631 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1633 int64_t pos = avio_tell(pb);
1635 avio_wb32(pb, 0x0); /* size */
1636 ffio_wfourcc(pb, "mvex");
1637 for (i = 0; i < mov->nb_streams; i++)
1638 mov_write_trex_tag(pb, &mov->tracks[i]);
1639 return update_size(pb, pos);
1642 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1644 int max_track_id = 1, i;
1645 int64_t max_track_len_temp, max_track_len = 0;
1648 for (i=0; i<mov->nb_streams; i++) {
1649 if(mov->tracks[i].entry > 0) {
1650 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1652 mov->tracks[i].timescale,
1654 if (max_track_len < max_track_len_temp)
1655 max_track_len = max_track_len_temp;
1656 if (max_track_id < mov->tracks[i].track_id)
1657 max_track_id = mov->tracks[i].track_id;
1661 version = max_track_len < UINT32_MAX ? 0 : 1;
1662 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1663 ffio_wfourcc(pb, "mvhd");
1664 avio_w8(pb, version);
1665 avio_wb24(pb, 0); /* flags */
1667 avio_wb64(pb, mov->time);
1668 avio_wb64(pb, mov->time);
1670 avio_wb32(pb, mov->time); /* creation time */
1671 avio_wb32(pb, mov->time); /* modification time */
1673 avio_wb32(pb, MOV_TIMESCALE);
1674 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1676 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1677 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1678 avio_wb16(pb, 0); /* reserved */
1679 avio_wb32(pb, 0); /* reserved */
1680 avio_wb32(pb, 0); /* reserved */
1682 /* Matrix structure */
1683 avio_wb32(pb, 0x00010000); /* reserved */
1684 avio_wb32(pb, 0x0); /* reserved */
1685 avio_wb32(pb, 0x0); /* reserved */
1686 avio_wb32(pb, 0x0); /* reserved */
1687 avio_wb32(pb, 0x00010000); /* reserved */
1688 avio_wb32(pb, 0x0); /* reserved */
1689 avio_wb32(pb, 0x0); /* reserved */
1690 avio_wb32(pb, 0x0); /* reserved */
1691 avio_wb32(pb, 0x40000000); /* reserved */
1693 avio_wb32(pb, 0); /* reserved (preview time) */
1694 avio_wb32(pb, 0); /* reserved (preview duration) */
1695 avio_wb32(pb, 0); /* reserved (poster time) */
1696 avio_wb32(pb, 0); /* reserved (selection time) */
1697 avio_wb32(pb, 0); /* reserved (selection duration) */
1698 avio_wb32(pb, 0); /* reserved (current time) */
1699 avio_wb32(pb, max_track_id + 1); /* Next track id */
1703 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1706 avio_wb32(pb, 33); /* size */
1707 ffio_wfourcc(pb, "hdlr");
1710 ffio_wfourcc(pb, "mdir");
1711 ffio_wfourcc(pb, "appl");
1718 /* helper function to write a data tag with the specified string as data */
1719 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1722 int size = 16 + strlen(data);
1723 avio_wb32(pb, size); /* size */
1724 ffio_wfourcc(pb, "data");
1727 avio_write(pb, data, strlen(data));
1731 lang = ff_mov_iso639_to_lang("und", 1);
1732 avio_wb16(pb, strlen(data)); /* string length */
1733 avio_wb16(pb, lang);
1734 avio_write(pb, data, strlen(data));
1735 return strlen(data) + 4;
1739 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1741 if (value && value[0]) {
1742 int64_t pos = avio_tell(pb);
1743 avio_wb32(pb, 0); /* size */
1744 ffio_wfourcc(pb, name);
1745 mov_write_string_data_tag(pb, value, lang, long_style);
1746 size = update_size(pb, pos);
1751 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1752 const char *name, const char *tag,
1755 int l, lang = 0, len, len2;
1756 AVDictionaryEntry *t, *t2 = NULL;
1759 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1762 len = strlen(t->key);
1763 snprintf(tag2, sizeof(tag2), "%s-", tag);
1764 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1765 len2 = strlen(t2->key);
1766 if (len2 == len+4 && !strcmp(t->value, t2->value)
1767 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1772 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1775 /* iTunes track number */
1776 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1779 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1780 int size = 0, track = t ? atoi(t->value) : 0;
1782 avio_wb32(pb, 32); /* size */
1783 ffio_wfourcc(pb, "trkn");
1784 avio_wb32(pb, 24); /* size */
1785 ffio_wfourcc(pb, "data");
1786 avio_wb32(pb, 0); // 8 bytes empty
1788 avio_wb16(pb, 0); // empty
1789 avio_wb16(pb, track); // track number
1790 avio_wb16(pb, 0); // total track number
1791 avio_wb16(pb, 0); // empty
1797 /* iTunes meta data list */
1798 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1801 int64_t pos = avio_tell(pb);
1802 avio_wb32(pb, 0); /* size */
1803 ffio_wfourcc(pb, "ilst");
1804 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1805 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1806 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1807 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1808 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1809 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1810 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1811 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1812 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1813 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1814 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1815 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1816 mov_write_string_metadata(s, pb, "desc", "description",1);
1817 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1818 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1819 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1820 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1821 mov_write_trkn_tag(pb, mov, s);
1822 return update_size(pb, pos);
1825 /* iTunes meta data tag */
1826 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1830 int64_t pos = avio_tell(pb);
1831 avio_wb32(pb, 0); /* size */
1832 ffio_wfourcc(pb, "meta");
1834 mov_write_itunes_hdlr_tag(pb, mov, s);
1835 mov_write_ilst_tag(pb, mov, s);
1836 size = update_size(pb, pos);
1840 static int utf8len(const uint8_t *b)
1845 GET_UTF8(val, *b++, return -1;)
1851 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1855 GET_UTF8(val, *b++, return -1;)
1858 avio_wb16(pb, 0x00);
1862 static uint16_t language_code(const char *str)
1864 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1867 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1868 const char *tag, const char *str)
1870 int64_t pos = avio_tell(pb);
1871 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1872 if (!t || !utf8len(t->value))
1874 avio_wb32(pb, 0); /* size */
1875 ffio_wfourcc(pb, tag); /* type */
1876 avio_wb32(pb, 0); /* version + flags */
1877 if (!strcmp(tag, "yrrc"))
1878 avio_wb16(pb, atoi(t->value));
1880 avio_wb16(pb, language_code("eng")); /* language */
1881 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1882 if (!strcmp(tag, "albm") &&
1883 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1884 avio_w8(pb, atoi(t->value));
1886 return update_size(pb, pos);
1889 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1891 int64_t pos = avio_tell(pb);
1892 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1894 avio_wb32(pb, 0); // size
1895 ffio_wfourcc(pb, "chpl");
1896 avio_wb32(pb, 0x01000000); // version + flags
1897 avio_wb32(pb, 0); // unknown
1898 avio_w8(pb, nb_chapters);
1900 for (i = 0; i < nb_chapters; i++) {
1901 AVChapter *c = s->chapters[i];
1902 AVDictionaryEntry *t;
1903 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1905 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1906 int len = FFMIN(strlen(t->value), 255);
1908 avio_write(pb, t->value, len);
1912 return update_size(pb, pos);
1915 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1918 AVIOContext *pb_buf;
1922 for (i = 0; i < s->nb_streams; i++)
1923 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1927 ret = avio_open_dyn_buf(&pb_buf);
1931 if (mov->mode & MODE_3GP) {
1932 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1933 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1934 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1935 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1936 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1937 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1938 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1939 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1940 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1941 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1942 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1943 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1944 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1945 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1946 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1947 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1948 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1949 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1951 /* iTunes meta data */
1952 mov_write_meta_tag(pb_buf, mov, s);
1956 mov_write_chpl_tag(pb_buf, s);
1958 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1959 avio_wb32(pb, size+8);
1960 ffio_wfourcc(pb, "udta");
1961 avio_write(pb, buf, size);
1968 static void mov_write_psp_udta_tag(AVIOContext *pb,
1969 const char *str, const char *lang, int type)
1971 int len = utf8len(str)+1;
1974 avio_wb16(pb, len*2+10); /* size */
1975 avio_wb32(pb, type); /* type */
1976 avio_wb16(pb, language_code(lang)); /* language */
1977 avio_wb16(pb, 0x01); /* ? */
1978 ascii_to_wc(pb, str);
1981 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1983 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1987 pos = avio_tell(pb);
1988 avio_wb32(pb, 0); /* size placeholder*/
1989 ffio_wfourcc(pb, "uuid");
1990 ffio_wfourcc(pb, "USMT");
1991 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1992 avio_wb32(pb, 0xbb88695c);
1993 avio_wb32(pb, 0xfac9c740);
1995 pos2 = avio_tell(pb);
1996 avio_wb32(pb, 0); /* size placeholder*/
1997 ffio_wfourcc(pb, "MTDT");
2001 avio_wb16(pb, 0x0C); /* size */
2002 avio_wb32(pb, 0x0B); /* type */
2003 avio_wb16(pb, language_code("und")); /* language */
2004 avio_wb16(pb, 0x0); /* ? */
2005 avio_wb16(pb, 0x021C); /* data */
2007 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2008 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2009 // snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
2010 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2012 update_size(pb, pos2);
2013 return update_size(pb, pos);
2019 static void build_chunks(MOVTrack *trk)
2022 MOVIentry *chunk= &trk->cluster[0];
2023 uint64_t chunkSize = chunk->size;
2026 for(i=1; i<trk->entry; i++){
2027 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2028 chunkSize + trk->cluster[i].size < (1<<20)){
2029 chunkSize += trk->cluster[i].size;
2030 chunk->samples_in_chunk += trk->cluster[i].entries;
2032 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2033 chunk=&trk->cluster[i];
2034 chunkSize = chunk->size;
2040 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2044 int64_t pos = avio_tell(pb);
2045 avio_wb32(pb, 0); /* size placeholder*/
2046 ffio_wfourcc(pb, "moov");
2048 for (i=0; i<mov->nb_streams; i++) {
2049 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2052 mov->tracks[i].time = mov->time;
2053 mov->tracks[i].track_id = i+1;
2055 build_chunks(&mov->tracks[i]);
2058 if (mov->chapter_track)
2059 for (i=0; i<s->nb_streams; i++) {
2060 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2061 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2063 for (i = 0; i < mov->nb_streams; i++) {
2064 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2065 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2066 mov->tracks[i].tref_id =
2067 mov->tracks[mov->tracks[i].src_track].track_id;
2071 mov_write_mvhd_tag(pb, mov);
2072 if (mov->mode != MODE_MOV && !mov->iods_skip)
2073 mov_write_iods_tag(pb, mov);
2074 for (i=0; i<mov->nb_streams; i++) {
2075 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2076 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2079 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2080 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2082 if (mov->mode == MODE_PSP)
2083 mov_write_uuidusmt_tag(pb, s);
2085 mov_write_udta_tag(pb, mov, s);
2087 return update_size(pb, pos);
2090 static void param_write_int(AVIOContext *pb, const char *name, int value)
2092 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2095 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2097 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2100 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2103 len = FFMIN(sizeof(buf)/2 - 1, len);
2104 ff_data_to_hex(buf, value, len, 0);
2106 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2109 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2111 uint16_t sps_size, pps_size, len;
2113 sps_size = AV_RB16(&enc->extradata[6]);
2114 if (11 + sps_size > enc->extradata_size)
2116 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2117 if (11 + sps_size + pps_size > enc->extradata_size)
2119 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2120 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2122 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2123 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2124 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2126 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2129 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2131 int64_t pos = avio_tell(pb);
2133 const uint8_t uuid[] = {
2134 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2135 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2139 ffio_wfourcc(pb, "uuid");
2140 avio_write(pb, uuid, sizeof(uuid));
2143 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2144 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2145 avio_printf(pb, "<head>\n");
2146 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2148 avio_printf(pb, "</head>\n");
2149 avio_printf(pb, "<body>\n");
2150 avio_printf(pb, "<switch>\n");
2151 for (i = 0; i < mov->nb_streams; i++) {
2152 MOVTrack *track = &mov->tracks[i];
2154 /* track->track_id is initialized in write_moov, and thus isn't known
2156 int track_id = i + 1;
2158 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2160 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2165 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2166 track->enc->bit_rate);
2167 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2168 param_write_int(pb, "trackID", track_id);
2169 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2170 if (track->enc->codec_id == CODEC_ID_H264 &&
2171 track->enc->extradata_size >= 11 &&
2172 track->enc->extradata[0] == 1) {
2173 write_h264_extradata(pb, track->enc);
2175 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2176 track->enc->extradata_size);
2178 if (track->enc->codec_id == CODEC_ID_H264) {
2179 param_write_string(pb, "FourCC", "H264");
2180 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2181 param_write_string(pb, "FourCC", "WVC1");
2183 param_write_int(pb, "MaxWidth", track->enc->width);
2184 param_write_int(pb, "MaxHeight", track->enc->height);
2185 param_write_int(pb, "DisplayWidth", track->enc->width);
2186 param_write_int(pb, "DisplayHeight", track->enc->height);
2188 if (track->enc->codec_id == CODEC_ID_AAC) {
2189 param_write_string(pb, "FourCC", "AACL");
2190 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2191 param_write_string(pb, "FourCC", "WMAP");
2193 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2194 track->enc->extradata_size);
2195 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2196 track->enc->codec_id));
2197 param_write_int(pb, "Channels", track->enc->channels);
2198 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2199 param_write_int(pb, "BitsPerSample", 16);
2200 param_write_int(pb, "PacketSize", track->enc->block_align ?
2201 track->enc->block_align : 4);
2203 avio_printf(pb, "</%s>\n", type);
2205 avio_printf(pb, "</switch>\n");
2206 avio_printf(pb, "</body>\n");
2207 avio_printf(pb, "</smil>\n");
2209 return update_size(pb, pos);
2212 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2215 ffio_wfourcc(pb, "mfhd");
2217 avio_wb32(pb, mov->fragments);
2221 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2222 int64_t moof_offset)
2224 int64_t pos = avio_tell(pb);
2225 /* default-sample-size + default-sample-duration + base-data-offset */
2226 uint32_t flags = 0x19;
2227 if (!track->entry) {
2228 flags |= 0x010000; /* duration-is-empty */
2230 flags |= 0x20; /* default-sample-flags-present */
2233 /* Don't set a default sample size when creating data for silverlight,
2234 * the player refuses to play files with that set. */
2235 if (track->mode == MODE_ISM)
2238 avio_wb32(pb, 0); /* size placeholder */
2239 ffio_wfourcc(pb, "tfhd");
2240 avio_w8(pb, 0); /* version */
2241 avio_wb24(pb, flags);
2243 avio_wb32(pb, track->track_id); /* track-id */
2245 avio_wb64(pb, moof_offset);
2247 track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
2248 avio_wb32(pb, track->default_duration);
2251 track->default_size = track->entry ? track->cluster[0].size : 1;
2252 avio_wb32(pb, track->default_size);
2254 track->default_size = -1;
2257 track->default_sample_flags =
2258 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2259 0x01010000 : 0x02000000;
2260 avio_wb32(pb, track->default_sample_flags);
2263 return update_size(pb, pos);
2266 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2268 return entry->flags & MOV_SYNC_SAMPLE ? 0x02000000 : 0x01010000;
2271 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2273 int64_t pos = avio_tell(pb);
2274 uint32_t flags = 1; /* data-offset-present */
2277 for (i = 0; i < track->entry; i++) {
2278 int64_t duration = i + 1 == track->entry ?
2279 track->track_duration - track->cluster[i].dts + track->start_dts :
2280 track->cluster[i + 1].dts - track->cluster[i].dts;
2281 if (duration != track->default_duration)
2282 flags |= 0x100; /* sample-duration-present */
2283 if (track->cluster[i].size != track->default_size)
2284 flags |= 0x200; /* sample-size-present */
2285 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2286 flags |= 0x400; /* sample-flags-present */
2288 if (!(flags & 0x400))
2289 flags |= 0x4; /* first-sample-flags-present */
2290 if (track->flags & MOV_TRACK_CTTS)
2291 flags |= 0x800; /* sample-composition-time-offsets-present */
2293 avio_wb32(pb, 0); /* size placeholder */
2294 ffio_wfourcc(pb, "trun");
2295 avio_w8(pb, 0); /* version */
2296 avio_wb24(pb, flags);
2298 avio_wb32(pb, track->entry); /* sample count */
2299 track->moof_size_offset = avio_tell(pb);
2300 avio_wb32(pb, 0); /* data offset */
2301 if (flags & 0x4) /* first sample flags */
2302 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2304 for (i = 0; i < track->entry; i++) {
2305 int64_t duration = i + 1 == track->entry ?
2306 track->track_duration - track->cluster[i].dts + track->start_dts :
2307 track->cluster[i + 1].dts - track->cluster[i].dts;
2309 avio_wb32(pb, duration);
2311 avio_wb32(pb, track->cluster[i].size);
2313 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2315 avio_wb32(pb, track->cluster[i].cts);
2318 return update_size(pb, pos);
2321 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2323 int64_t pos = avio_tell(pb);
2324 const uint8_t uuid[] = {
2325 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2326 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2329 avio_wb32(pb, 0); /* size placeholder */
2330 ffio_wfourcc(pb, "uuid");
2331 avio_write(pb, uuid, sizeof(uuid));
2334 avio_wb64(pb, track->frag_start);
2335 avio_wb64(pb, track->start_dts + track->track_duration -
2336 track->cluster[0].dts);
2338 return update_size(pb, pos);
2341 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2342 MOVTrack *track, int entry)
2344 int n = track->nb_frag_info - 1 - entry, i;
2345 int size = 8 + 16 + 4 + 1 + 16*n;
2346 const uint8_t uuid[] = {
2347 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2348 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2354 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2355 avio_wb32(pb, size);
2356 ffio_wfourcc(pb, "uuid");
2357 avio_write(pb, uuid, sizeof(uuid));
2361 for (i = 0; i < n; i++) {
2362 int index = entry + 1 + i;
2363 avio_wb64(pb, track->frag_info[index].time);
2364 avio_wb64(pb, track->frag_info[index].duration);
2366 if (n < mov->ism_lookahead) {
2367 int free_size = 16*(mov->ism_lookahead - n);
2368 avio_wb32(pb, free_size);
2369 ffio_wfourcc(pb, "free");
2370 for (i = 0; i < free_size - 8; i++)
2377 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2380 int64_t pos = avio_tell(pb);
2382 for (i = 0; i < mov->ism_lookahead; i++) {
2383 /* Update the tfrf tag for the last ism_lookahead fragments,
2384 * nb_frag_info - 1 is the next fragment to be written. */
2385 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2387 avio_seek(pb, pos, SEEK_SET);
2391 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2392 MOVTrack *track, int64_t moof_offset)
2394 int64_t pos = avio_tell(pb);
2395 avio_wb32(pb, 0); /* size placeholder */
2396 ffio_wfourcc(pb, "traf");
2398 mov_write_tfhd_tag(pb, track, moof_offset);
2399 mov_write_trun_tag(pb, track);
2400 if (mov->mode == MODE_ISM) {
2401 mov_write_tfxd_tag(pb, track);
2403 if (mov->ism_lookahead) {
2404 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2406 track->tfrf_offset = avio_tell(pb);
2407 avio_wb32(pb, 8 + size);
2408 ffio_wfourcc(pb, "free");
2409 for (i = 0; i < size; i++)
2414 return update_size(pb, pos);
2417 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2419 int64_t pos = avio_tell(pb), end;
2422 avio_wb32(pb, 0); /* size placeholder */
2423 ffio_wfourcc(pb, "moof");
2425 mov_write_mfhd_tag(pb, mov);
2426 for (i = 0; i < mov->nb_streams; i++) {
2427 MOVTrack *track = &mov->tracks[i];
2428 if (tracks >= 0 && i != tracks)
2432 mov_write_traf_tag(pb, mov, track, pos);
2435 end = avio_tell(pb);
2436 moof_size = end - pos;
2437 for (i = 0; i < mov->nb_streams; i++) {
2438 MOVTrack *track = &mov->tracks[i];
2439 if (tracks >= 0 && i != tracks)
2443 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2444 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2446 avio_seek(pb, end, SEEK_SET);
2448 return update_size(pb, pos);
2451 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2453 int64_t pos = avio_tell(pb);
2456 avio_wb32(pb, 0); /* size placeholder */
2457 ffio_wfourcc(pb, "tfra");
2458 avio_w8(pb, 1); /* version */
2461 avio_wb32(pb, track->track_id);
2462 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2463 avio_wb32(pb, track->nb_frag_info);
2464 for (i = 0; i < track->nb_frag_info; i++) {
2465 avio_wb64(pb, track->frag_info[i].time);
2466 avio_wb64(pb, track->frag_info[i].offset);
2467 avio_w8(pb, 1); /* traf number */
2468 avio_w8(pb, 1); /* trun number */
2469 avio_w8(pb, 1); /* sample number */
2472 return update_size(pb, pos);
2475 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2477 int64_t pos = avio_tell(pb);
2480 avio_wb32(pb, 0); /* size placeholder */
2481 ffio_wfourcc(pb, "mfra");
2482 /* An empty mfra atom is enough to indicate to the publishing point that
2483 * the stream has ended. */
2484 if (mov->flags & FF_MOV_FLAG_ISML)
2485 return update_size(pb, pos);
2487 for (i = 0; i < mov->nb_streams; i++) {
2488 MOVTrack *track = &mov->tracks[i];
2489 if (track->nb_frag_info)
2490 mov_write_tfra_tag(pb, track);
2494 ffio_wfourcc(pb, "mfro");
2495 avio_wb32(pb, 0); /* version + flags */
2496 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2498 return update_size(pb, pos);
2501 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2503 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2504 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2506 mov->mdat_pos = avio_tell(pb);
2507 avio_wb32(pb, 0); /* size placeholder*/
2508 ffio_wfourcc(pb, "mdat");
2512 /* TODO: This needs to be more general */
2513 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2515 MOVMuxContext *mov = s->priv_data;
2516 int64_t pos = avio_tell(pb);
2517 int has_h264 = 0, has_video = 0;
2521 for (i = 0; i < s->nb_streams; i++) {
2522 AVStream *st = s->streams[i];
2523 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2525 if (st->codec->codec_id == CODEC_ID_H264)
2529 avio_wb32(pb, 0); /* size */
2530 ffio_wfourcc(pb, "ftyp");
2532 if (mov->mode == MODE_3GP) {
2533 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2534 minor = has_h264 ? 0x100 : 0x200;
2535 } else if (mov->mode & MODE_3G2) {
2536 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2537 minor = has_h264 ? 0x20000 : 0x10000;
2538 }else if (mov->mode == MODE_PSP)
2539 ffio_wfourcc(pb, "MSNV");
2540 else if (mov->mode == MODE_MP4)
2541 ffio_wfourcc(pb, "isom");
2542 else if (mov->mode == MODE_IPOD)
2543 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2544 else if (mov->mode == MODE_ISM)
2545 ffio_wfourcc(pb, "isml");
2547 ffio_wfourcc(pb, "qt ");
2549 avio_wb32(pb, minor);
2551 if(mov->mode == MODE_MOV)
2552 ffio_wfourcc(pb, "qt ");
2553 else if (mov->mode == MODE_ISM) {
2554 ffio_wfourcc(pb, "piff");
2555 ffio_wfourcc(pb, "iso2");
2557 ffio_wfourcc(pb, "isom");
2558 ffio_wfourcc(pb, "iso2");
2560 ffio_wfourcc(pb, "avc1");
2563 if (mov->mode == MODE_3GP)
2564 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2565 else if (mov->mode & MODE_3G2)
2566 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2567 else if (mov->mode == MODE_PSP)
2568 ffio_wfourcc(pb, "MSNV");
2569 else if (mov->mode == MODE_MP4)
2570 ffio_wfourcc(pb, "mp41");
2571 return update_size(pb, pos);
2574 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2576 AVCodecContext *video_codec = s->streams[0]->codec;
2577 AVCodecContext *audio_codec = s->streams[1]->codec;
2578 int audio_rate = audio_codec->sample_rate;
2579 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2580 int audio_kbitrate = audio_codec->bit_rate / 1000;
2581 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2583 avio_wb32(pb, 0x94); /* size */
2584 ffio_wfourcc(pb, "uuid");
2585 ffio_wfourcc(pb, "PROF");
2587 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2588 avio_wb32(pb, 0xbb88695c);
2589 avio_wb32(pb, 0xfac9c740);
2591 avio_wb32(pb, 0x0); /* ? */
2592 avio_wb32(pb, 0x3); /* 3 sections ? */
2594 avio_wb32(pb, 0x14); /* size */
2595 ffio_wfourcc(pb, "FPRF");
2596 avio_wb32(pb, 0x0); /* ? */
2597 avio_wb32(pb, 0x0); /* ? */
2598 avio_wb32(pb, 0x0); /* ? */
2600 avio_wb32(pb, 0x2c); /* size */
2601 ffio_wfourcc(pb, "APRF");/* audio */
2603 avio_wb32(pb, 0x2); /* TrackID */
2604 ffio_wfourcc(pb, "mp4a");
2605 avio_wb32(pb, 0x20f);
2607 avio_wb32(pb, audio_kbitrate);
2608 avio_wb32(pb, audio_kbitrate);
2609 avio_wb32(pb, audio_rate);
2610 avio_wb32(pb, audio_codec->channels);
2612 avio_wb32(pb, 0x34); /* size */
2613 ffio_wfourcc(pb, "VPRF"); /* video */
2615 avio_wb32(pb, 0x1); /* TrackID */
2616 if (video_codec->codec_id == CODEC_ID_H264) {
2617 ffio_wfourcc(pb, "avc1");
2618 avio_wb16(pb, 0x014D);
2619 avio_wb16(pb, 0x0015);
2621 ffio_wfourcc(pb, "mp4v");
2622 avio_wb16(pb, 0x0000);
2623 avio_wb16(pb, 0x0103);
2626 avio_wb32(pb, video_kbitrate);
2627 avio_wb32(pb, video_kbitrate);
2628 avio_wb32(pb, frame_rate);
2629 avio_wb32(pb, frame_rate);
2630 avio_wb16(pb, video_codec->width);
2631 avio_wb16(pb, video_codec->height);
2632 avio_wb32(pb, 0x010001); /* ? */
2635 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2638 int i, closed_gop = 0;
2640 for (i = 0; i < pkt->size - 4; i++) {
2641 c = (c<<8) + pkt->data[i];
2642 if (c == 0x1b8) { // gop
2643 closed_gop = pkt->data[i+4]>>6 & 0x01;
2644 } else if (c == 0x100) { // pic
2645 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2646 if (!temp_ref || closed_gop) // I picture is not reordered
2647 *flags = MOV_SYNC_SAMPLE;
2649 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2656 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2658 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2659 int seq = 0, entry = 0;
2660 int key = pkt->flags & AV_PKT_FLAG_KEY;
2661 start = find_next_marker(pkt->data, end);
2662 for (next = start; next < end; start = next) {
2663 next = find_next_marker(start + 4, end);
2664 switch (AV_RB32(start)) {
2665 case VC1_CODE_SEQHDR:
2668 case VC1_CODE_ENTRYPOINT:
2671 case VC1_CODE_SLICE:
2672 trk->vc1_info.slices = 1;
2676 if (!trk->entry && !fragment) {
2677 /* First packet in first fragment */
2678 trk->vc1_info.first_packet_seq = seq;
2679 trk->vc1_info.first_packet_entry = entry;
2680 } else if ((seq && !trk->vc1_info.packet_seq) ||
2681 (entry && !trk->vc1_info.packet_entry)) {
2683 for (i = 0; i < trk->entry; i++)
2684 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2685 trk->has_keyframes = 0;
2687 trk->vc1_info.packet_seq = 1;
2689 trk->vc1_info.packet_entry = 1;
2691 /* First fragment */
2692 if ((!seq || trk->vc1_info.first_packet_seq) &&
2693 (!entry || trk->vc1_info.first_packet_entry)) {
2694 /* First packet had the same headers as this one, readd the
2695 * sync sample flag. */
2696 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2697 trk->has_keyframes = 1;
2701 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2703 else if (trk->vc1_info.packet_seq)
2705 else if (trk->vc1_info.packet_entry)
2708 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2709 trk->has_keyframes++;
2713 static int mov_flush_fragment(AVFormatContext *s)
2715 MOVMuxContext *mov = s->priv_data;
2716 int i, first_track = -1;
2717 int64_t mdat_size = 0;
2719 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2722 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2723 int64_t pos = avio_tell(s->pb);
2725 for (i = 0; i < mov->nb_streams; i++)
2726 if (!mov->tracks[i].entry)
2728 /* Don't write the initial moov unless all tracks have data */
2729 if (i < mov->nb_streams)
2731 avio_seek(s->pb, mov->mdat_pos, SEEK_SET);
2732 avio_wb32(s->pb, mov->mdat_size + 8);
2733 avio_seek(s->pb, pos, SEEK_SET);
2734 mov_write_moov_tag(s->pb, mov, s);
2737 for (i = 0; i < mov->nb_streams; i++) {
2738 if (mov->tracks[i].entry)
2739 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2740 mov->tracks[i].track_duration -
2741 mov->tracks[i].cluster[0].dts;
2742 mov->tracks[i].entry = 0;
2748 for (i = 0; i < mov->nb_streams; i++) {
2749 MOVTrack *track = &mov->tracks[i];
2750 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2751 track->data_offset = 0;
2753 track->data_offset = mdat_size;
2754 if (!track->mdat_buf)
2756 mdat_size += avio_tell(track->mdat_buf);
2757 if (first_track < 0)
2764 for (i = 0; i < mov->nb_streams; i++) {
2765 MOVTrack *track = &mov->tracks[i];
2766 int buf_size, write_moof = 1, moof_tracks = -1;
2768 int64_t duration = 0;
2771 duration = track->start_dts + track->track_duration -
2772 track->cluster[0].dts;
2773 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2774 if (!track->mdat_buf)
2776 mdat_size = avio_tell(track->mdat_buf);
2779 write_moof = i == first_track;
2783 MOVFragmentInfo *info;
2785 track->nb_frag_info++;
2786 track->frag_info = av_realloc(track->frag_info,
2787 sizeof(*track->frag_info) *
2788 track->nb_frag_info);
2789 info = &track->frag_info[track->nb_frag_info - 1];
2790 info->offset = avio_tell(s->pb);
2791 info->time = mov->tracks[i].frag_start;
2792 info->duration = duration;
2793 mov_write_tfrf_tags(s->pb, mov, track);
2795 mov_write_moof_tag(s->pb, mov, moof_tracks);
2796 info->tfrf_offset = track->tfrf_offset;
2799 avio_wb32(s->pb, mdat_size + 8);
2800 ffio_wfourcc(s->pb, "mdat");
2804 track->frag_start += duration;
2806 if (!track->mdat_buf)
2808 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2809 track->mdat_buf = NULL;
2811 avio_write(s->pb, buf, buf_size);
2821 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2823 MOVMuxContext *mov = s->priv_data;
2824 AVIOContext *pb = s->pb;
2825 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2826 AVCodecContext *enc = trk->enc;
2827 unsigned int samples_in_chunk = 0;
2828 int size= pkt->size;
2829 uint8_t *reformatted_data = NULL;
2831 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2832 return 0; /* Can't handle that */
2834 if (!size) return 0; /* Discard 0 sized packets */
2836 if ((mov->max_fragment_duration && trk->entry &&
2837 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2838 s->streams[pkt->stream_index]->time_base,
2839 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2840 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2841 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2842 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2843 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2844 mov_flush_fragment(s);
2847 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->fragments > 0) {
2848 if (!trk->mdat_buf) {
2850 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2856 if (enc->codec_id == CODEC_ID_AMR_NB) {
2857 /* We must find out how many AMR blocks there are in one packet */
2858 static uint16_t packed_size[16] =
2859 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2862 while (len < size && samples_in_chunk < 100) {
2863 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2866 if (samples_in_chunk > 1) {
2867 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2870 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2871 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2872 samples_in_chunk = enc->frame_size;
2873 } else if (trk->sample_size)
2874 samples_in_chunk = size / trk->sample_size;
2876 samples_in_chunk = 1;
2878 /* copy extradata if it exists */
2879 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2880 trk->vos_len = enc->extradata_size;
2881 trk->vos_data = av_malloc(trk->vos_len);
2882 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2885 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2886 /* from x264 or from bytestream h264 */
2887 /* nal reformating needed */
2888 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2889 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2891 avio_write(pb, reformatted_data, size);
2893 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2895 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2896 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2897 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2900 avio_write(pb, pkt->data, size);
2903 if ((enc->codec_id == CODEC_ID_DNXHD ||
2904 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2905 /* copy frame to create needed atoms */
2906 trk->vos_len = size;
2907 trk->vos_data = av_malloc(size);
2909 return AVERROR(ENOMEM);
2910 memcpy(trk->vos_data, pkt->data, size);
2913 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2914 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2919 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2920 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2921 trk->cluster[trk->entry].chunkNum = 0;
2922 trk->cluster[trk->entry].size = size;
2923 trk->cluster[trk->entry].entries = samples_in_chunk;
2924 trk->cluster[trk->entry].dts = pkt->dts;
2925 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2926 /* First packet of a new fragment. We already wrote the duration
2927 * of the last packet of the previous fragment based on track_duration,
2928 * which might not exactly match our dts. Therefore adjust the dts
2929 * of this packet to be what the previous packets duration implies. */
2930 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2932 if (trk->start_dts == AV_NOPTS_VALUE)
2933 trk->start_dts = pkt->dts;
2934 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2936 if (pkt->pts == AV_NOPTS_VALUE) {
2937 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2938 pkt->pts = pkt->dts;
2940 if (pkt->dts != pkt->pts)
2941 trk->flags |= MOV_TRACK_CTTS;
2942 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2943 trk->cluster[trk->entry].flags = 0;
2944 if (enc->codec_id == CODEC_ID_VC1) {
2945 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2946 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2947 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2948 trk->entry > 0) { // force sync sample for the first key frame
2949 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2950 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2951 trk->flags |= MOV_TRACK_STPS;
2953 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2955 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2956 trk->has_keyframes++;
2959 trk->sample_count += samples_in_chunk;
2960 mov->mdat_size += size;
2964 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2965 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2966 reformatted_data, size);
2967 av_free(reformatted_data);
2971 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2974 mov_flush_fragment(s);
2977 return mov_write_packet_internal(s, pkt);
2981 // QuickTime chapters involve an additional text track with the chapter names
2982 // as samples, and a tref pointing from the other tracks to the chapter one.
2983 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2985 MOVMuxContext *mov = s->priv_data;
2986 MOVTrack *track = &mov->tracks[tracknum];
2987 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2990 track->mode = mov->mode;
2991 track->tag = MKTAG('t','e','x','t');
2992 track->timescale = MOV_TIMESCALE;
2993 track->enc = avcodec_alloc_context3(NULL);
2994 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2996 for (i = 0; i < s->nb_chapters; i++) {
2997 AVChapter *c = s->chapters[i];
2998 AVDictionaryEntry *t;
3000 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3001 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3002 pkt.duration = end - pkt.dts;
3004 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3005 len = strlen(t->value);
3007 pkt.data = av_malloc(pkt.size);
3008 AV_WB16(pkt.data, len);
3009 memcpy(pkt.data+2, t->value, len);
3010 ff_mov_write_packet(s, &pkt);
3011 av_freep(&pkt.data);
3016 static int mov_write_header(AVFormatContext *s)
3018 AVIOContext *pb = s->pb;
3019 MOVMuxContext *mov = s->priv_data;
3020 AVDictionaryEntry *t;
3021 int i, hint_track = 0;
3023 /* Non-seekable output is ok if EMPTY_MOOV is set, or if using the ismv
3024 * format (which sets EMPTY_MOOV later in this function). If ism_lookahead
3025 * is enabled, we don't support non-seekable output at all. */
3026 if (!s->pb->seekable &&
3027 ((!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) &&
3028 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3029 || mov->ism_lookahead)) {
3030 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3034 /* Default mode == MP4 */
3035 mov->mode = MODE_MP4;
3037 if (s->oformat != NULL) {
3038 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3039 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3040 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3041 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3042 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3043 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3045 mov_write_ftyp_tag(pb,s);
3046 if (mov->mode == MODE_PSP) {
3047 if (s->nb_streams != 2) {
3048 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3051 mov_write_uuidprof_tag(pb,s);
3055 mov->nb_streams = s->nb_streams;
3056 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3057 mov->chapter_track = mov->nb_streams++;
3059 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3060 /* Add hint tracks for each audio and video stream */
3061 hint_track = mov->nb_streams;
3062 for (i = 0; i < s->nb_streams; i++) {
3063 AVStream *st = s->streams[i];
3064 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3065 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3071 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3073 return AVERROR(ENOMEM);
3075 for(i=0; i<s->nb_streams; i++){
3076 AVStream *st= s->streams[i];
3077 MOVTrack *track= &mov->tracks[i];
3078 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3080 track->enc = st->codec;
3081 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3082 if (track->language < 0)
3083 track->language = 0;
3084 track->mode = mov->mode;
3085 track->tag = mov_find_codec_tag(s, track);
3087 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3088 "codec not currently supported in container\n", i);
3091 /* If hinting of this track is enabled by a later hint track,
3092 * this is updated. */
3093 track->hint_track = -1;
3094 track->start_dts = AV_NOPTS_VALUE;
3095 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3096 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3097 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3098 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3099 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3100 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3103 track->height = track->tag>>24 == 'n' ? 486 : 576;
3105 track->timescale = st->codec->time_base.den;
3106 if (track->mode == MODE_MOV && track->timescale > 100000)
3107 av_log(s, AV_LOG_WARNING,
3108 "WARNING codec timebase is very high. If duration is too long,\n"
3109 "file may not be playable by quicktime. Specify a shorter timebase\n"
3110 "or choose different container.\n");
3111 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3112 track->timescale = st->codec->sample_rate;
3113 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3114 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
3116 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3117 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3118 if (!st->codec->block_align) {
3119 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3122 track->sample_size = st->codec->block_align;
3123 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3124 track->audio_vbr = 1;
3126 st->codec->frame_size = 1;
3127 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3129 if (track->mode != MODE_MOV) {
3130 if (track->timescale > UINT16_MAX) {
3131 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3132 "sample rate %dhz\n", i, track->timescale);
3135 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3136 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3137 i, track->enc->sample_rate);
3141 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3142 track->timescale = st->codec->time_base.den;
3145 track->height = st->codec->height;
3146 /* The ism specific timescale isn't mandatory, but is assumed by
3147 * some tools, such as mp4split. */
3148 if (mov->mode == MODE_ISM)
3149 track->timescale = 10000000;
3151 avpriv_set_pts_info(st, 64, 1, track->timescale);
3153 /* copy extradata if it exists */
3154 if (st->codec->extradata_size) {
3155 track->vos_len = st->codec->extradata_size;
3156 track->vos_data = av_malloc(track->vos_len);
3157 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3161 if (mov->mode == MODE_ISM) {
3162 /* If no fragmentation options have been set, set a default. */
3163 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3164 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3165 !mov->max_fragment_duration && !mov->max_fragment_size)
3166 mov->max_fragment_duration = 5000000;
3167 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
3170 if(mov->reserved_moov_size){
3171 mov->reserved_moov_pos= avio_tell(pb);
3172 avio_skip(pb, mov->reserved_moov_size);
3175 /* Set the FRAGMENT flag if any of the fragmentation methods are
3177 if (mov->max_fragment_duration || mov->max_fragment_size ||
3178 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3179 FF_MOV_FLAG_FRAG_KEYFRAME |
3180 FF_MOV_FLAG_FRAG_CUSTOM))
3181 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3183 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
3184 mov_write_mdat_tag(pb, mov);
3186 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3187 mov->time = ff_iso8601_to_unix_time(t->value);
3189 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3191 if (mov->chapter_track)
3192 mov_create_chapter_track(s, mov->chapter_track);
3194 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3195 /* Initialize the hint tracks for each audio and video stream */
3196 for (i = 0; i < s->nb_streams; i++) {
3197 AVStream *st = s->streams[i];
3198 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3199 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3200 ff_mov_init_hinting(s, hint_track, i);
3208 if (mov->flags & FF_MOV_FLAG_ISML)
3209 mov_write_isml_manifest(pb, mov);
3211 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3212 mov_write_moov_tag(pb, mov, s);
3218 av_freep(&mov->tracks);
3222 static int mov_write_trailer(AVFormatContext *s)
3224 MOVMuxContext *mov = s->priv_data;
3225 AVIOContext *pb = s->pb;
3229 int64_t moov_pos = avio_tell(pb);
3231 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3232 /* Write size of mdat tag */
3233 if (mov->mdat_size + 8 <= UINT32_MAX) {
3234 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3235 avio_wb32(pb, mov->mdat_size + 8);
3237 /* overwrite 'wide' placeholder atom */
3238 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3239 /* special value: real atom size will be 64 bit value after
3242 ffio_wfourcc(pb, "mdat");
3243 avio_wb64(pb, mov->mdat_size + 16);
3245 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3247 mov_write_moov_tag(pb, mov, s);
3248 if(mov->reserved_moov_size){
3249 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3251 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3254 avio_wb32(pb, size);
3255 ffio_wfourcc(pb, "free");
3256 for(i=0; i<size; i++)
3258 avio_seek(pb, moov_pos, SEEK_SET);
3261 mov_flush_fragment(s);
3262 mov_write_mfra_tag(pb, mov);
3265 if (mov->chapter_track)
3266 av_freep(&mov->tracks[mov->chapter_track].enc);
3268 for (i=0; i<mov->nb_streams; i++) {
3269 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3270 ff_mov_close_hinting(&mov->tracks[i]);
3271 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3272 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3273 int64_t off = avio_tell(pb);
3275 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3276 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3277 avio_write(pb, buf, 7);
3278 avio_seek(pb, off, SEEK_SET);
3281 av_freep(&mov->tracks[i].cluster);
3282 av_freep(&mov->tracks[i].frag_info);
3284 if (mov->tracks[i].vos_len)
3285 av_free(mov->tracks[i].vos_data);
3291 av_freep(&mov->tracks);
3296 #if CONFIG_MOV_MUXER
3298 AVOutputFormat ff_mov_muxer = {
3300 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3301 .extensions = "mov",
3302 .priv_data_size = sizeof(MOVMuxContext),
3303 .audio_codec = CODEC_ID_AAC,
3304 #if CONFIG_LIBX264_ENCODER
3305 .video_codec = CODEC_ID_H264,
3307 .video_codec = CODEC_ID_MPEG4,
3309 .write_header = mov_write_header,
3310 .write_packet = ff_mov_write_packet,
3311 .write_trailer = mov_write_trailer,
3312 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3313 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
3314 .priv_class = &mov_muxer_class,
3317 #if CONFIG_TGP_MUXER
3319 AVOutputFormat ff_tgp_muxer = {
3321 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3322 .extensions = "3gp",
3323 .priv_data_size = sizeof(MOVMuxContext),
3324 .audio_codec = CODEC_ID_AMR_NB,
3325 .video_codec = CODEC_ID_H263,
3326 .write_header = mov_write_header,
3327 .write_packet = ff_mov_write_packet,
3328 .write_trailer = mov_write_trailer,
3329 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3330 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3331 .priv_class = &tgp_muxer_class,
3334 #if CONFIG_MP4_MUXER
3336 AVOutputFormat ff_mp4_muxer = {
3338 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3339 .mime_type = "application/mp4",
3340 .extensions = "mp4",
3341 .priv_data_size = sizeof(MOVMuxContext),
3342 .audio_codec = CODEC_ID_AAC,
3343 #if CONFIG_LIBX264_ENCODER
3344 .video_codec = CODEC_ID_H264,
3346 .video_codec = CODEC_ID_MPEG4,
3348 .write_header = mov_write_header,
3349 .write_packet = ff_mov_write_packet,
3350 .write_trailer = mov_write_trailer,
3351 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3352 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3353 .priv_class = &mp4_muxer_class,
3356 #if CONFIG_PSP_MUXER
3358 AVOutputFormat ff_psp_muxer = {
3360 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3361 .extensions = "mp4,psp",
3362 .priv_data_size = sizeof(MOVMuxContext),
3363 .audio_codec = CODEC_ID_AAC,
3364 #if CONFIG_LIBX264_ENCODER
3365 .video_codec = CODEC_ID_H264,
3367 .video_codec = CODEC_ID_MPEG4,
3369 .write_header = mov_write_header,
3370 .write_packet = ff_mov_write_packet,
3371 .write_trailer = mov_write_trailer,
3372 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3373 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3374 .priv_class = &psp_muxer_class,
3377 #if CONFIG_TG2_MUXER
3379 AVOutputFormat ff_tg2_muxer = {
3381 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3382 .extensions = "3g2",
3383 .priv_data_size = sizeof(MOVMuxContext),
3384 .audio_codec = CODEC_ID_AMR_NB,
3385 .video_codec = CODEC_ID_H263,
3386 .write_header = mov_write_header,
3387 .write_packet = ff_mov_write_packet,
3388 .write_trailer = mov_write_trailer,
3389 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3390 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3391 .priv_class = &tg2_muxer_class,
3394 #if CONFIG_IPOD_MUXER
3396 AVOutputFormat ff_ipod_muxer = {
3398 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3399 .mime_type = "application/mp4",
3400 .extensions = "m4v,m4a",
3401 .priv_data_size = sizeof(MOVMuxContext),
3402 .audio_codec = CODEC_ID_AAC,
3403 .video_codec = CODEC_ID_H264,
3404 .write_header = mov_write_header,
3405 .write_packet = ff_mov_write_packet,
3406 .write_trailer = mov_write_trailer,
3407 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3408 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3409 .priv_class = &ipod_muxer_class,
3412 #if CONFIG_ISMV_MUXER
3414 AVOutputFormat ff_ismv_muxer = {
3416 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3417 .mime_type = "application/mp4",
3418 .extensions = "ismv,isma",
3419 .priv_data_size = sizeof(MOVMuxContext),
3420 .audio_codec = CODEC_ID_AAC,
3421 .video_codec = CODEC_ID_H264,
3422 .write_header = mov_write_header,
3423 .write_packet = ff_mov_write_packet,
3424 .write_trailer = mov_write_trailer,
3425 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3426 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3427 .priv_class = &ismv_muxer_class,