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 + track->data_offset);
104 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
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 if (!track->track_duration)
292 for (i = 0; i < track->entry; i++)
293 size += track->cluster[i].size;
294 return size * 8 * track->timescale / track->track_duration;
297 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
299 int64_t pos = avio_tell(pb);
300 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
301 unsigned avg_bitrate;
303 avio_wb32(pb, 0); // size
304 ffio_wfourcc(pb, "esds");
305 avio_wb32(pb, 0); // Version
308 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
309 avio_wb16(pb, track->track_id);
310 avio_w8(pb, 0x00); // flags (= no flags)
312 // DecoderConfig descriptor
313 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
315 // Object type indication
316 if ((track->enc->codec_id == CODEC_ID_MP2 ||
317 track->enc->codec_id == CODEC_ID_MP3) &&
318 track->enc->sample_rate > 24000)
319 avio_w8(pb, 0x6B); // 11172-3
321 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
323 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
324 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
325 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
326 avio_w8(pb, 0x15); // flags (= Audiostream)
328 avio_w8(pb, 0x11); // flags (= Visualstream)
330 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
331 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
333 avg_bitrate = compute_avg_bitrate(track);
334 // maxbitrate (FIXME should be max rate in any 1 sec window)
335 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
336 avio_wb32(pb, avg_bitrate);
338 if (track->vos_len) {
339 // DecoderSpecific info descriptor
340 put_descr(pb, 0x05, track->vos_len);
341 avio_write(pb, track->vos_data, track->vos_len);
345 put_descr(pb, 0x06, 1);
347 return update_size(pb, pos);
350 static int mov_pcm_le_gt16(enum CodecID codec_id)
352 return codec_id == CODEC_ID_PCM_S24LE ||
353 codec_id == CODEC_ID_PCM_S32LE ||
354 codec_id == CODEC_ID_PCM_F32LE ||
355 codec_id == CODEC_ID_PCM_F64LE;
358 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
360 int64_t pos = avio_tell(pb);
362 avio_wl32(pb, track->tag); // store it byteswapped
363 track->enc->codec_tag = av_bswap16(track->tag >> 16);
364 ff_put_wav_header(pb, track->enc);
365 return update_size(pb, pos);
368 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
370 int64_t pos = avio_tell(pb);
372 ffio_wfourcc(pb, "wfex");
373 ff_put_wav_header(pb, track->enc);
374 return update_size(pb, pos);
377 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
379 uint32_t layout_tag, bitmap;
380 int64_t pos = avio_tell(pb);
382 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
383 track->enc->channel_layout,
386 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
387 "lack of channel information\n");
391 avio_wb32(pb, 0); // Size
392 ffio_wfourcc(pb, "chan"); // Type
393 avio_w8(pb, 0); // Version
394 avio_wb24(pb, 0); // Flags
395 avio_wb32(pb, layout_tag); // mChannelLayoutTag
396 avio_wb32(pb, bitmap); // mChannelBitmap
397 avio_wb32(pb, 0); // mNumberChannelDescriptions
399 return update_size(pb, pos);
402 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
404 int64_t pos = avio_tell(pb);
406 avio_wb32(pb, 0); /* size */
407 ffio_wfourcc(pb, "wave");
409 avio_wb32(pb, 12); /* size */
410 ffio_wfourcc(pb, "frma");
411 avio_wl32(pb, track->tag);
413 if (track->enc->codec_id == CODEC_ID_AAC) {
414 /* useless atom needed by mplayer, ipod, not needed by quicktime */
415 avio_wb32(pb, 12); /* size */
416 ffio_wfourcc(pb, "mp4a");
418 mov_write_esds_tag(pb, track);
419 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
420 mov_write_enda_tag(pb);
421 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
422 mov_write_amr_tag(pb, track);
423 } else if (track->enc->codec_id == CODEC_ID_AC3) {
424 mov_write_chan_tag(pb, track);
425 mov_write_ac3_tag(pb, track);
426 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
427 mov_write_extradata_tag(pb, track);
428 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
429 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
430 mov_write_ms_tag(pb, track);
433 avio_wb32(pb, 8); /* size */
434 avio_wb32(pb, 0); /* null tag */
436 return update_size(pb, pos);
439 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
442 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
443 int unescaped_size, seq_found = 0;
444 int level = 0, interlace = 0;
445 int packet_seq = track->vc1_info.packet_seq;
446 int packet_entry = track->vc1_info.packet_entry;
447 int slices = track->vc1_info.slices;
450 if (track->start_dts == AV_NOPTS_VALUE) {
451 /* No packets written yet, vc1_info isn't authoritative yet. */
452 /* Assume inline sequence and entry headers. This will be
453 * overwritten at the end if the file is seekable. */
454 packet_seq = packet_entry = 1;
457 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
459 return AVERROR(ENOMEM);
460 start = find_next_marker(track->vos_data, end);
461 for (next = start; next < end; start = next) {
464 next = find_next_marker(start + 4, end);
465 size = next - start - 4;
468 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
469 init_get_bits(&gb, unescaped, 8 * unescaped_size);
470 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
471 int profile = get_bits(&gb, 2);
472 if (profile != PROFILE_ADVANCED) {
474 return AVERROR(ENOSYS);
477 level = get_bits(&gb, 3);
478 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
480 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
481 skip_bits(&gb, 1); /* broadcast */
482 interlace = get_bits1(&gb);
483 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
488 return AVERROR(ENOSYS);
491 init_put_bits(&pbc, buf, 7);
492 /* VC1DecSpecStruc */
493 put_bits(&pbc, 4, 12); /* profile - advanced */
494 put_bits(&pbc, 3, level);
495 put_bits(&pbc, 1, 0); /* reserved */
496 /* VC1AdvDecSpecStruc */
497 put_bits(&pbc, 3, level);
498 put_bits(&pbc, 1, 0); /* cbr */
499 put_bits(&pbc, 6, 0); /* reserved */
500 put_bits(&pbc, 1, !interlace); /* no interlace */
501 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
502 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
503 put_bits(&pbc, 1, !slices); /* no slice code */
504 put_bits(&pbc, 1, 0); /* no bframe */
505 put_bits(&pbc, 1, 0); /* reserved */
506 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
507 flush_put_bits(&pbc);
514 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
516 uint8_t buf[7] = { 0 };
519 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
522 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
523 ffio_wfourcc(pb, "dvc1");
524 track->vc1_info.struct_offset = avio_tell(pb);
525 avio_write(pb, buf, sizeof(buf));
526 avio_write(pb, track->vos_data, track->vos_len);
531 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
533 avio_wb32(pb, track->vos_len + 8);
534 ffio_wfourcc(pb, "glbl");
535 avio_write(pb, track->vos_data, track->vos_len);
536 return 8 + track->vos_len;
540 * Compute flags for 'lpcm' tag.
541 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
543 static int mov_get_lpcm_flags(enum CodecID codec_id)
546 case CODEC_ID_PCM_F32BE:
547 case CODEC_ID_PCM_F64BE:
549 case CODEC_ID_PCM_F32LE:
550 case CODEC_ID_PCM_F64LE:
552 case CODEC_ID_PCM_U8:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_S24BE:
556 case CODEC_ID_PCM_S32BE:
558 case CODEC_ID_PCM_S8:
559 case CODEC_ID_PCM_S16LE:
560 case CODEC_ID_PCM_S24LE:
561 case CODEC_ID_PCM_S32LE:
568 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
572 if (cluster_idx >= track->entry)
575 if (cluster_idx + 1 == track->entry)
576 next_dts = track->track_duration + track->start_dts;
578 next_dts = track->cluster[cluster_idx + 1].dts;
580 return next_dts - track->cluster[cluster_idx].dts;
583 static int get_samples_per_packet(MOVTrack *track)
585 int i, first_duration;
587 // return track->enc->frame_size;
589 /* use 1 for raw PCM */
590 if (!track->audio_vbr)
593 /* check to see if duration is constant for all clusters */
596 first_duration = get_cluster_duration(track, 0);
597 for (i = 1; i < track->entry; i++) {
598 if (get_cluster_duration(track, i) != first_duration)
601 return first_duration;
604 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
606 int64_t pos = avio_tell(pb);
608 uint32_t tag = track->tag;
610 if (track->mode == MODE_MOV) {
611 if (track->timescale > UINT16_MAX) {
612 if (mov_get_lpcm_flags(track->enc->codec_id))
613 tag = AV_RL32("lpcm");
615 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
616 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
617 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
622 avio_wb32(pb, 0); /* size */
623 avio_wl32(pb, tag); // store it byteswapped
624 avio_wb32(pb, 0); /* Reserved */
625 avio_wb16(pb, 0); /* Reserved */
626 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
628 /* SoundDescription */
629 avio_wb16(pb, version); /* Version */
630 avio_wb16(pb, 0); /* Revision level */
631 avio_wb32(pb, 0); /* Reserved */
636 avio_wb16(pb, 0xfffe);
638 avio_wb32(pb, 0x00010000);
640 avio_wb64(pb, av_double2int(track->enc->sample_rate));
641 avio_wb32(pb, track->enc->channels);
642 avio_wb32(pb, 0x7F000000);
643 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
644 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
645 avio_wb32(pb, track->sample_size);
646 avio_wb32(pb, get_samples_per_packet(track));
648 if (track->mode == MODE_MOV) {
649 avio_wb16(pb, track->enc->channels);
650 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
651 track->enc->codec_id == CODEC_ID_PCM_S8)
652 avio_wb16(pb, 8); /* bits per sample */
655 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
656 } else { /* reserved for mp4/3gp */
662 avio_wb16(pb, 0); /* packet size (= 0) */
663 avio_wb16(pb, track->enc->sample_rate);
664 avio_wb16(pb, 0); /* Reserved */
667 if(version == 1) { /* SoundDescription V1 extended info */
668 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
669 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
670 avio_wb32(pb, track->sample_size); /* Bytes per frame */
671 avio_wb32(pb, 2); /* Bytes per sample */
674 if(track->mode == MODE_MOV &&
675 (track->enc->codec_id == CODEC_ID_AAC ||
676 track->enc->codec_id == CODEC_ID_AC3 ||
677 track->enc->codec_id == CODEC_ID_AMR_NB ||
678 track->enc->codec_id == CODEC_ID_ALAC ||
679 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
680 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
681 mov_pcm_le_gt16(track->enc->codec_id)))
682 mov_write_wave_tag(pb, track);
683 else if(track->tag == MKTAG('m','p','4','a'))
684 mov_write_esds_tag(pb, track);
685 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
686 mov_write_amr_tag(pb, track);
687 else if(track->enc->codec_id == CODEC_ID_AC3)
688 mov_write_ac3_tag(pb, track);
689 else if(track->enc->codec_id == CODEC_ID_ALAC)
690 mov_write_extradata_tag(pb, track);
691 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
692 mov_write_wfex_tag(pb, track);
693 else if (track->vos_len > 0)
694 mov_write_glbl_tag(pb, track);
696 return update_size(pb, pos);
699 static int mov_write_d263_tag(AVIOContext *pb)
701 avio_wb32(pb, 0xf); /* size */
702 ffio_wfourcc(pb, "d263");
703 ffio_wfourcc(pb, "FFMP");
704 avio_w8(pb, 0); /* decoder version */
705 /* FIXME use AVCodecContext level/profile, when encoder will set values */
706 avio_w8(pb, 0xa); /* level */
707 avio_w8(pb, 0); /* profile */
711 /* TODO: No idea about these values */
712 static int mov_write_svq3_tag(AVIOContext *pb)
715 ffio_wfourcc(pb, "SMI ");
716 ffio_wfourcc(pb, "SEQH");
718 avio_wb32(pb, 0xe2c0211d);
719 avio_wb32(pb, 0xc0000000);
724 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
726 int64_t pos = avio_tell(pb);
729 ffio_wfourcc(pb, "avcC");
730 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
731 return update_size(pb, pos);
734 /* also used by all avid codecs (dv, imx, meridien) and their variants */
735 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
738 avio_wb32(pb, 24); /* size */
739 ffio_wfourcc(pb, "ACLR");
740 ffio_wfourcc(pb, "ACLR");
741 ffio_wfourcc(pb, "0001");
742 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
743 avio_wb32(pb, 0); /* unknown */
745 avio_wb32(pb, 24); /* size */
746 ffio_wfourcc(pb, "APRG");
747 ffio_wfourcc(pb, "APRG");
748 ffio_wfourcc(pb, "0001");
749 avio_wb32(pb, 1); /* unknown */
750 avio_wb32(pb, 0); /* unknown */
752 avio_wb32(pb, 120); /* size */
753 ffio_wfourcc(pb, "ARES");
754 ffio_wfourcc(pb, "ARES");
755 ffio_wfourcc(pb, "0001");
756 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
757 avio_wb32(pb, track->enc->width);
758 /* values below are based on samples created with quicktime and avid codecs */
759 if (track->vos_data[5] & 2) { // interlaced
760 avio_wb32(pb, track->enc->height/2);
761 avio_wb32(pb, 2); /* unknown */
762 avio_wb32(pb, 0); /* unknown */
763 avio_wb32(pb, 4); /* unknown */
765 avio_wb32(pb, track->enc->height);
766 avio_wb32(pb, 1); /* unknown */
767 avio_wb32(pb, 0); /* unknown */
768 if (track->enc->height == 1080)
769 avio_wb32(pb, 5); /* unknown */
771 avio_wb32(pb, 6); /* unknown */
774 for (i = 0; i < 10; i++)
777 /* extra padding for stsd needed */
782 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
784 int tag = track->enc->codec_tag;
786 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
789 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
790 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
791 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
792 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
793 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
794 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
795 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
800 static const AVCodecTag codec_ipod_tags[] = {
801 { CODEC_ID_H264, MKTAG('a','v','c','1') },
802 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
803 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
804 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
805 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
806 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
807 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
808 { CODEC_ID_NONE, 0 },
811 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
813 int tag = track->enc->codec_tag;
815 // keep original tag for subs, ipod supports both formats
816 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
817 (tag == MKTAG('t','x','3','g') ||
818 tag == MKTAG('t','e','x','t'))))
819 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
821 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
822 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
823 "Quicktime/Ipod might not play the file\n");
828 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
832 if (track->enc->width == 720) /* SD */
833 if (track->enc->height == 480) /* NTSC */
834 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
835 else tag = MKTAG('d','v','c',' ');
836 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
837 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
838 else tag = MKTAG('d','v','p','p');
839 else if (track->enc->height == 720) /* HD 720 line */
840 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
841 else tag = MKTAG('d','v','h','p');
842 else if (track->enc->height == 1080) /* HD 1080 line */
843 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
844 else tag = MKTAG('d','v','h','6');
846 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
853 static const struct {
854 enum PixelFormat pix_fmt;
857 } mov_pix_fmt_tags[] = {
858 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
859 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
860 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
861 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
862 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
863 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
864 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
865 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
866 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
867 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
868 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
869 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
870 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
871 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
874 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
876 int tag = track->enc->codec_tag;
879 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
880 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
881 tag = mov_pix_fmt_tags[i].tag;
882 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
890 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
892 int tag = track->enc->codec_tag;
894 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
895 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
896 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
897 track->enc->codec_id == CODEC_ID_H263 ||
898 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
899 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
900 tag = mov_get_dv_codec_tag(s, track);
901 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
902 tag = mov_get_rawvideo_codec_tag(s, track);
903 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
904 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
905 if (!tag) { // if no mac fcc found, try with Microsoft tags
906 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
908 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
909 "the file may be unplayable!\n");
911 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
912 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
913 if (!tag) { // if no mac fcc found, try with Microsoft tags
914 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
916 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
917 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
918 "the file may be unplayable!\n");
921 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
922 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
928 static const AVCodecTag codec_3gp_tags[] = {
929 { CODEC_ID_H263, MKTAG('s','2','6','3') },
930 { CODEC_ID_H264, MKTAG('a','v','c','1') },
931 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
932 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
933 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
934 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
935 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
936 { CODEC_ID_NONE, 0 },
939 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
941 int tag = track->enc->codec_tag;
943 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
944 tag = mp4_get_codec_tag(s, track);
945 else if (track->mode == MODE_ISM) {
946 tag = mp4_get_codec_tag(s, track);
947 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
948 tag = MKTAG('w', 'm', 'a', ' ');
949 } else if (track->mode == MODE_IPOD)
950 tag = ipod_get_codec_tag(s, track);
951 else if (track->mode & MODE_3GP)
952 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
954 tag = mov_get_codec_tag(s, track);
960 * Needed to make file play in iPods running newest firmware
961 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
963 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
966 ffio_wfourcc(pb, "uuid");
967 avio_wb32(pb, 0x6b6840f2);
968 avio_wb32(pb, 0x5f244fc5);
969 avio_wb32(pb, 0xba39a51b);
970 avio_wb32(pb, 0xcf0323f3);
975 static const uint16_t fiel_data[] = {
976 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
979 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
981 unsigned mov_field_order = 0;
982 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
983 mov_field_order = fiel_data[track->enc->field_order];
987 ffio_wfourcc(pb, "fiel");
988 avio_wb16(pb, mov_field_order);
992 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
994 int64_t pos = avio_tell(pb);
995 avio_wb32(pb, 0); /* size */
996 avio_wl32(pb, track->tag); // store it byteswapped
997 avio_wb32(pb, 0); /* Reserved */
998 avio_wb16(pb, 0); /* Reserved */
999 avio_wb16(pb, 1); /* Data-reference index */
1001 if (track->enc->extradata_size)
1002 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1004 return update_size(pb, pos);
1007 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1010 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1011 track->enc->sample_aspect_ratio.den, INT_MAX);
1014 ffio_wfourcc(pb, "pasp");
1015 avio_wb32(pb, sar.num);
1016 avio_wb32(pb, sar.den);
1020 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1022 int64_t pos = avio_tell(pb);
1023 char compressor_name[32];
1025 avio_wb32(pb, 0); /* size */
1026 avio_wl32(pb, track->tag); // store it byteswapped
1027 avio_wb32(pb, 0); /* Reserved */
1028 avio_wb16(pb, 0); /* Reserved */
1029 avio_wb16(pb, 1); /* Data-reference index */
1031 avio_wb16(pb, 0); /* Codec stream version */
1032 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1033 if (track->mode == MODE_MOV) {
1034 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1035 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
1036 avio_wb32(pb, 0); /* Temporal Quality */
1037 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1039 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1040 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1043 avio_wb32(pb, 0); /* Reserved */
1044 avio_wb32(pb, 0); /* Reserved */
1045 avio_wb32(pb, 0); /* Reserved */
1047 avio_wb16(pb, track->enc->width); /* Video width */
1048 avio_wb16(pb, track->height); /* Video height */
1049 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1050 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1051 avio_wb32(pb, 0); /* Data size (= 0) */
1052 avio_wb16(pb, 1); /* Frame count (= 1) */
1054 memset(compressor_name,0,32);
1055 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1056 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1057 av_strlcpy(compressor_name,track->enc->codec->name,32);
1058 avio_w8(pb, strlen(compressor_name));
1059 avio_write(pb, compressor_name, 31);
1061 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1062 avio_wb16(pb, track->enc->bits_per_coded_sample);
1064 avio_wb16(pb, 0x18); /* Reserved */
1065 avio_wb16(pb, 0xffff); /* Reserved */
1066 if(track->tag == MKTAG('m','p','4','v'))
1067 mov_write_esds_tag(pb, track);
1068 else if(track->enc->codec_id == CODEC_ID_H263)
1069 mov_write_d263_tag(pb);
1070 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1071 mov_write_svq3_tag(pb);
1072 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1073 mov_write_avid_tag(pb, track);
1074 else if(track->enc->codec_id == CODEC_ID_H264) {
1075 mov_write_avcc_tag(pb, track);
1076 if(track->mode == MODE_IPOD)
1077 mov_write_uuid_tag_ipod(pb);
1078 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1079 mov_write_fiel_tag(pb, track);
1080 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1081 mov_write_dvc1_tag(pb, track);
1082 else if (track->vos_len > 0)
1083 mov_write_glbl_tag(pb, track);
1085 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1086 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1087 mov_write_pasp_tag(pb, track);
1090 return update_size(pb, pos);
1093 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1095 int64_t pos = avio_tell(pb);
1096 avio_wb32(pb, 0); /* size */
1097 ffio_wfourcc(pb, "rtp ");
1098 avio_wb32(pb, 0); /* Reserved */
1099 avio_wb16(pb, 0); /* Reserved */
1100 avio_wb16(pb, 1); /* Data-reference index */
1102 avio_wb16(pb, 1); /* Hint track version */
1103 avio_wb16(pb, 1); /* Highest compatible version */
1104 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1106 avio_wb32(pb, 12); /* size */
1107 ffio_wfourcc(pb, "tims");
1108 avio_wb32(pb, track->timescale);
1110 return update_size(pb, pos);
1113 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1115 int64_t pos = avio_tell(pb);
1116 avio_wb32(pb, 0); /* size */
1117 ffio_wfourcc(pb, "stsd");
1118 avio_wb32(pb, 0); /* version & flags */
1119 avio_wb32(pb, 1); /* entry count */
1120 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1121 mov_write_video_tag(pb, track);
1122 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1123 mov_write_audio_tag(pb, track);
1124 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1125 mov_write_subtitle_tag(pb, track);
1126 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1127 mov_write_rtp_tag(pb, track);
1128 return update_size(pb, pos);
1131 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1133 MOVStts *ctts_entries;
1134 uint32_t entries = 0;
1138 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1139 ctts_entries[0].count = 1;
1140 ctts_entries[0].duration = track->cluster[0].cts;
1141 for (i=1; i<track->entry; i++) {
1142 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1143 ctts_entries[entries].count++; /* compress */
1146 ctts_entries[entries].duration = track->cluster[i].cts;
1147 ctts_entries[entries].count = 1;
1150 entries++; /* last one */
1151 atom_size = 16 + (entries * 8);
1152 avio_wb32(pb, atom_size); /* size */
1153 ffio_wfourcc(pb, "ctts");
1154 avio_wb32(pb, 0); /* version & flags */
1155 avio_wb32(pb, entries); /* entry count */
1156 for (i=0; i<entries; i++) {
1157 avio_wb32(pb, ctts_entries[i].count);
1158 avio_wb32(pb, ctts_entries[i].duration);
1160 av_free(ctts_entries);
1164 /* Time to sample atom */
1165 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1167 MOVStts *stts_entries;
1168 uint32_t entries = -1;
1172 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1173 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1174 stts_entries[0].count = track->sample_count;
1175 stts_entries[0].duration = 1;
1178 stts_entries = track->entry ?
1179 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1181 for (i=0; i<track->entry; i++) {
1182 int duration = get_cluster_duration(track, i);
1183 if (i && duration == stts_entries[entries].duration) {
1184 stts_entries[entries].count++; /* compress */
1187 stts_entries[entries].duration = duration;
1188 stts_entries[entries].count = 1;
1191 entries++; /* last one */
1193 atom_size = 16 + (entries * 8);
1194 avio_wb32(pb, atom_size); /* size */
1195 ffio_wfourcc(pb, "stts");
1196 avio_wb32(pb, 0); /* version & flags */
1197 avio_wb32(pb, entries); /* entry count */
1198 for (i=0; i<entries; i++) {
1199 avio_wb32(pb, stts_entries[i].count);
1200 avio_wb32(pb, stts_entries[i].duration);
1202 av_free(stts_entries);
1206 static int mov_write_dref_tag(AVIOContext *pb)
1208 avio_wb32(pb, 28); /* size */
1209 ffio_wfourcc(pb, "dref");
1210 avio_wb32(pb, 0); /* version & flags */
1211 avio_wb32(pb, 1); /* entry count */
1213 avio_wb32(pb, 0xc); /* size */
1214 //FIXME add the alis and rsrc atom
1215 ffio_wfourcc(pb, "url ");
1216 avio_wb32(pb, 1); /* version & flags */
1221 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1223 int64_t pos = avio_tell(pb);
1224 avio_wb32(pb, 0); /* size */
1225 ffio_wfourcc(pb, "stbl");
1226 mov_write_stsd_tag(pb, track);
1227 mov_write_stts_tag(pb, track);
1228 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1229 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1230 track->has_keyframes && track->has_keyframes < track->entry)
1231 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1232 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1233 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1234 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1235 track->flags & MOV_TRACK_CTTS)
1236 mov_write_ctts_tag(pb, track);
1237 mov_write_stsc_tag(pb, track);
1238 mov_write_stsz_tag(pb, track);
1239 mov_write_stco_tag(pb, track);
1240 return update_size(pb, pos);
1243 static int mov_write_dinf_tag(AVIOContext *pb)
1245 int64_t pos = avio_tell(pb);
1246 avio_wb32(pb, 0); /* size */
1247 ffio_wfourcc(pb, "dinf");
1248 mov_write_dref_tag(pb);
1249 return update_size(pb, pos);
1252 static int mov_write_nmhd_tag(AVIOContext *pb)
1255 ffio_wfourcc(pb, "nmhd");
1260 static int mov_write_gmhd_tag(AVIOContext *pb)
1262 avio_wb32(pb, 0x20); /* size */
1263 ffio_wfourcc(pb, "gmhd");
1264 avio_wb32(pb, 0x18); /* gmin size */
1265 ffio_wfourcc(pb, "gmin");/* generic media info */
1266 avio_wb32(pb, 0); /* version & flags */
1267 avio_wb16(pb, 0x40); /* graphics mode = */
1268 avio_wb16(pb, 0x8000); /* opColor (r?) */
1269 avio_wb16(pb, 0x8000); /* opColor (g?) */
1270 avio_wb16(pb, 0x8000); /* opColor (b?) */
1271 avio_wb16(pb, 0); /* balance */
1272 avio_wb16(pb, 0); /* reserved */
1276 static int mov_write_smhd_tag(AVIOContext *pb)
1278 avio_wb32(pb, 16); /* size */
1279 ffio_wfourcc(pb, "smhd");
1280 avio_wb32(pb, 0); /* version & flags */
1281 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1282 avio_wb16(pb, 0); /* reserved */
1286 static int mov_write_vmhd_tag(AVIOContext *pb)
1288 avio_wb32(pb, 0x14); /* size (always 0x14) */
1289 ffio_wfourcc(pb, "vmhd");
1290 avio_wb32(pb, 0x01); /* version & flags */
1291 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1295 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1297 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1298 int64_t pos = avio_tell(pb);
1300 if (!track) { /* no media --> data handler */
1303 descr = "DataHandler";
1305 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1306 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1308 descr = "VideoHandler";
1309 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1311 descr = "SoundHandler";
1312 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1313 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1314 else hdlr_type = "text";
1315 descr = "SubtitleHandler";
1316 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1318 descr = "HintHandler";
1322 avio_wb32(pb, 0); /* size */
1323 ffio_wfourcc(pb, "hdlr");
1324 avio_wb32(pb, 0); /* Version & flags */
1325 avio_write(pb, hdlr, 4); /* handler */
1326 ffio_wfourcc(pb, hdlr_type); /* handler type */
1327 avio_wb32(pb ,0); /* reserved */
1328 avio_wb32(pb ,0); /* reserved */
1329 avio_wb32(pb ,0); /* reserved */
1330 if (!track || track->mode == MODE_MOV)
1331 avio_w8(pb, strlen(descr)); /* pascal string */
1332 avio_write(pb, descr, strlen(descr)); /* handler description */
1333 if (track && track->mode != MODE_MOV)
1334 avio_w8(pb, 0); /* c string */
1335 return update_size(pb, pos);
1338 static int mov_write_hmhd_tag(AVIOContext *pb)
1340 /* This atom must be present, but leaving the values at zero
1341 * seems harmless. */
1342 avio_wb32(pb, 28); /* size */
1343 ffio_wfourcc(pb, "hmhd");
1344 avio_wb32(pb, 0); /* version, flags */
1345 avio_wb16(pb, 0); /* maxPDUsize */
1346 avio_wb16(pb, 0); /* avgPDUsize */
1347 avio_wb32(pb, 0); /* maxbitrate */
1348 avio_wb32(pb, 0); /* avgbitrate */
1349 avio_wb32(pb, 0); /* reserved */
1353 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1355 int64_t pos = avio_tell(pb);
1356 avio_wb32(pb, 0); /* size */
1357 ffio_wfourcc(pb, "minf");
1358 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1359 mov_write_vmhd_tag(pb);
1360 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1361 mov_write_smhd_tag(pb);
1362 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1363 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1364 else mov_write_nmhd_tag(pb);
1365 } else if (track->tag == MKTAG('r','t','p',' ')) {
1366 mov_write_hmhd_tag(pb);
1368 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1369 mov_write_hdlr_tag(pb, NULL);
1370 mov_write_dinf_tag(pb);
1371 mov_write_stbl_tag(pb, track);
1372 return update_size(pb, pos);
1375 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1377 int version = track->track_duration < INT32_MAX ? 0 : 1;
1379 if (track->mode == MODE_ISM)
1382 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1383 ffio_wfourcc(pb, "mdhd");
1384 avio_w8(pb, version);
1385 avio_wb24(pb, 0); /* flags */
1387 avio_wb64(pb, track->time);
1388 avio_wb64(pb, track->time);
1390 avio_wb32(pb, track->time); /* creation time */
1391 avio_wb32(pb, track->time); /* modification time */
1393 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1395 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1397 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1398 avio_wb16(pb, track->language); /* language */
1399 avio_wb16(pb, 0); /* reserved (quality) */
1401 if(version!=0 && track->mode == MODE_MOV){
1402 av_log(NULL, AV_LOG_ERROR,
1403 "FATAL error, file duration too long for timebase, this file will not be\n"
1404 "playable with quicktime. Choose a different timebase or a different\n"
1405 "container format\n");
1411 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1413 int64_t pos = avio_tell(pb);
1414 avio_wb32(pb, 0); /* size */
1415 ffio_wfourcc(pb, "mdia");
1416 mov_write_mdhd_tag(pb, track);
1417 mov_write_hdlr_tag(pb, track);
1418 mov_write_minf_tag(pb, track);
1419 return update_size(pb, pos);
1422 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1424 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1425 track->timescale, AV_ROUND_UP);
1426 int version = duration < INT32_MAX ? 0 : 1;
1428 if (track->mode == MODE_ISM)
1431 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1432 ffio_wfourcc(pb, "tkhd");
1433 avio_w8(pb, version);
1434 avio_wb24(pb, 0xf); /* flags (track enabled) */
1436 avio_wb64(pb, track->time);
1437 avio_wb64(pb, track->time);
1439 avio_wb32(pb, track->time); /* creation time */
1440 avio_wb32(pb, track->time); /* modification time */
1442 avio_wb32(pb, track->track_id); /* track-id */
1443 avio_wb32(pb, 0); /* reserved */
1445 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1447 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1449 avio_wb32(pb, 0); /* reserved */
1450 avio_wb32(pb, 0); /* reserved */
1451 avio_wb16(pb, 0); /* layer */
1452 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1453 /* Volume, only for audio */
1454 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1455 avio_wb16(pb, 0x0100);
1458 avio_wb16(pb, 0); /* reserved */
1460 /* Matrix structure */
1461 avio_wb32(pb, 0x00010000); /* reserved */
1462 avio_wb32(pb, 0x0); /* reserved */
1463 avio_wb32(pb, 0x0); /* reserved */
1464 avio_wb32(pb, 0x0); /* reserved */
1465 avio_wb32(pb, 0x00010000); /* reserved */
1466 avio_wb32(pb, 0x0); /* reserved */
1467 avio_wb32(pb, 0x0); /* reserved */
1468 avio_wb32(pb, 0x0); /* reserved */
1469 avio_wb32(pb, 0x40000000); /* reserved */
1471 /* Track width and height, for visual only */
1472 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1473 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1474 if(track->mode == MODE_MOV) {
1475 avio_wb32(pb, track->enc->width << 16);
1476 avio_wb32(pb, track->height << 16);
1478 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1479 if(!sample_aspect_ratio || track->height != track->enc->height)
1480 sample_aspect_ratio = 1;
1481 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1482 avio_wb32(pb, track->height*0x10000);
1492 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1494 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1495 track->enc->sample_aspect_ratio.den);
1497 int64_t pos = avio_tell(pb);
1499 avio_wb32(pb, 0); /* size */
1500 ffio_wfourcc(pb, "tapt");
1503 ffio_wfourcc(pb, "clef");
1505 avio_wb32(pb, width << 16);
1506 avio_wb32(pb, track->enc->height << 16);
1509 ffio_wfourcc(pb, "enof");
1511 avio_wb32(pb, track->enc->width << 16);
1512 avio_wb32(pb, track->enc->height << 16);
1514 return update_size(pb, pos);
1517 // This box seems important for the psp playback ... without it the movie seems to hang
1518 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1520 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1521 track->timescale, AV_ROUND_UP);
1522 int version = duration < INT32_MAX ? 0 : 1;
1523 int entry_size, entry_count, size;
1524 int64_t delay, start_ct = track->cluster[0].cts;
1525 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1526 track->timescale, AV_ROUND_DOWN);
1527 version |= delay < INT32_MAX ? 0 : 1;
1529 entry_size = (version == 1) ? 20 : 12;
1530 entry_count = 1 + (delay > 0);
1531 size = 24 + entry_count * entry_size;
1533 /* write the atom data */
1534 avio_wb32(pb, size);
1535 ffio_wfourcc(pb, "edts");
1536 avio_wb32(pb, size - 8);
1537 ffio_wfourcc(pb, "elst");
1538 avio_w8(pb, version);
1539 avio_wb24(pb, 0); /* flags */
1541 avio_wb32(pb, entry_count);
1542 if (delay > 0) { /* add an empty edit to delay presentation */
1544 avio_wb64(pb, delay);
1547 avio_wb32(pb, delay);
1550 avio_wb32(pb, 0x00010000);
1555 avio_wb64(pb, duration);
1556 avio_wb64(pb, start_ct);
1558 avio_wb32(pb, duration);
1559 avio_wb32(pb, start_ct);
1561 avio_wb32(pb, 0x00010000);
1565 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1567 avio_wb32(pb, 20); // size
1568 ffio_wfourcc(pb, "tref");
1569 avio_wb32(pb, 12); // size (subatom)
1570 avio_wl32(pb, track->tref_tag);
1571 avio_wb32(pb, track->tref_id);
1575 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1576 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1578 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1579 ffio_wfourcc(pb, "uuid");
1580 ffio_wfourcc(pb, "USMT");
1581 avio_wb32(pb, 0x21d24fce);
1582 avio_wb32(pb, 0xbb88695c);
1583 avio_wb32(pb, 0xfac9c740);
1584 avio_wb32(pb, 0x1c); // another size here!
1585 ffio_wfourcc(pb, "MTDT");
1586 avio_wb32(pb, 0x00010012);
1587 avio_wb32(pb, 0x0a);
1588 avio_wb32(pb, 0x55c40000);
1594 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1596 char buf[1000] = "";
1599 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1600 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1603 avio_wb32(pb, len + 24);
1604 ffio_wfourcc(pb, "udta");
1605 avio_wb32(pb, len + 16);
1606 ffio_wfourcc(pb, "hnti");
1607 avio_wb32(pb, len + 8);
1608 ffio_wfourcc(pb, "sdp ");
1609 avio_write(pb, buf, len);
1613 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1614 MOVTrack *track, AVStream *st)
1616 int64_t pos = avio_tell(pb);
1617 avio_wb32(pb, 0); /* size */
1618 ffio_wfourcc(pb, "trak");
1619 mov_write_tkhd_tag(pb, track, st);
1620 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1621 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1622 if (track->tref_tag)
1623 mov_write_tref_tag(pb, track);
1624 mov_write_mdia_tag(pb, track);
1625 if (track->mode == MODE_PSP)
1626 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1627 if (track->tag == MKTAG('r','t','p',' '))
1628 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1629 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1630 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1631 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1632 mov_write_tapt_tag(pb, track);
1634 return update_size(pb, pos);
1637 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1639 int i, has_audio = 0, has_video = 0;
1640 int64_t pos = avio_tell(pb);
1641 int audio_profile = mov->iods_audio_profile;
1642 int video_profile = mov->iods_video_profile;
1643 for (i = 0; i < mov->nb_streams; i++) {
1644 if(mov->tracks[i].entry > 0) {
1645 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1646 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1649 if (audio_profile < 0)
1650 audio_profile = 0xFF - has_audio;
1651 if (video_profile < 0)
1652 video_profile = 0xFF - has_video;
1653 avio_wb32(pb, 0x0); /* size */
1654 ffio_wfourcc(pb, "iods");
1655 avio_wb32(pb, 0); /* version & flags */
1656 put_descr(pb, 0x10, 7);
1657 avio_wb16(pb, 0x004f);
1660 avio_w8(pb, audio_profile);
1661 avio_w8(pb, video_profile);
1663 return update_size(pb, pos);
1666 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1668 avio_wb32(pb, 0x20); /* size */
1669 ffio_wfourcc(pb, "trex");
1670 avio_wb32(pb, 0); /* version & flags */
1671 avio_wb32(pb, track->track_id); /* track ID */
1672 avio_wb32(pb, 1); /* default sample description index */
1673 avio_wb32(pb, 0); /* default sample duration */
1674 avio_wb32(pb, 0); /* default sample size */
1675 avio_wb32(pb, 0); /* default sample flags */
1679 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1681 int64_t pos = avio_tell(pb);
1683 avio_wb32(pb, 0x0); /* size */
1684 ffio_wfourcc(pb, "mvex");
1685 for (i = 0; i < mov->nb_streams; i++)
1686 mov_write_trex_tag(pb, &mov->tracks[i]);
1687 return update_size(pb, pos);
1690 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1692 int max_track_id = 1, i;
1693 int64_t max_track_len_temp, max_track_len = 0;
1696 for (i=0; i<mov->nb_streams; i++) {
1697 if(mov->tracks[i].entry > 0) {
1698 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1700 mov->tracks[i].timescale,
1702 if (max_track_len < max_track_len_temp)
1703 max_track_len = max_track_len_temp;
1704 if (max_track_id < mov->tracks[i].track_id)
1705 max_track_id = mov->tracks[i].track_id;
1709 version = max_track_len < UINT32_MAX ? 0 : 1;
1710 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1711 ffio_wfourcc(pb, "mvhd");
1712 avio_w8(pb, version);
1713 avio_wb24(pb, 0); /* flags */
1715 avio_wb64(pb, mov->time);
1716 avio_wb64(pb, mov->time);
1718 avio_wb32(pb, mov->time); /* creation time */
1719 avio_wb32(pb, mov->time); /* modification time */
1721 avio_wb32(pb, MOV_TIMESCALE);
1722 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1724 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1725 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1726 avio_wb16(pb, 0); /* reserved */
1727 avio_wb32(pb, 0); /* reserved */
1728 avio_wb32(pb, 0); /* reserved */
1730 /* Matrix structure */
1731 avio_wb32(pb, 0x00010000); /* reserved */
1732 avio_wb32(pb, 0x0); /* reserved */
1733 avio_wb32(pb, 0x0); /* reserved */
1734 avio_wb32(pb, 0x0); /* reserved */
1735 avio_wb32(pb, 0x00010000); /* reserved */
1736 avio_wb32(pb, 0x0); /* reserved */
1737 avio_wb32(pb, 0x0); /* reserved */
1738 avio_wb32(pb, 0x0); /* reserved */
1739 avio_wb32(pb, 0x40000000); /* reserved */
1741 avio_wb32(pb, 0); /* reserved (preview time) */
1742 avio_wb32(pb, 0); /* reserved (preview duration) */
1743 avio_wb32(pb, 0); /* reserved (poster time) */
1744 avio_wb32(pb, 0); /* reserved (selection time) */
1745 avio_wb32(pb, 0); /* reserved (selection duration) */
1746 avio_wb32(pb, 0); /* reserved (current time) */
1747 avio_wb32(pb, max_track_id + 1); /* Next track id */
1751 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1754 avio_wb32(pb, 33); /* size */
1755 ffio_wfourcc(pb, "hdlr");
1758 ffio_wfourcc(pb, "mdir");
1759 ffio_wfourcc(pb, "appl");
1766 /* helper function to write a data tag with the specified string as data */
1767 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1770 int size = 16 + strlen(data);
1771 avio_wb32(pb, size); /* size */
1772 ffio_wfourcc(pb, "data");
1775 avio_write(pb, data, strlen(data));
1779 lang = ff_mov_iso639_to_lang("und", 1);
1780 avio_wb16(pb, strlen(data)); /* string length */
1781 avio_wb16(pb, lang);
1782 avio_write(pb, data, strlen(data));
1783 return strlen(data) + 4;
1787 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1789 if (value && value[0]) {
1790 int64_t pos = avio_tell(pb);
1791 avio_wb32(pb, 0); /* size */
1792 ffio_wfourcc(pb, name);
1793 mov_write_string_data_tag(pb, value, lang, long_style);
1794 size = update_size(pb, pos);
1799 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1800 const char *name, const char *tag,
1803 int l, lang = 0, len, len2;
1804 AVDictionaryEntry *t, *t2 = NULL;
1807 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1810 len = strlen(t->key);
1811 snprintf(tag2, sizeof(tag2), "%s-", tag);
1812 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1813 len2 = strlen(t2->key);
1814 if (len2 == len+4 && !strcmp(t->value, t2->value)
1815 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1820 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1823 /* iTunes track number */
1824 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1827 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1828 int size = 0, track = t ? atoi(t->value) : 0;
1830 avio_wb32(pb, 32); /* size */
1831 ffio_wfourcc(pb, "trkn");
1832 avio_wb32(pb, 24); /* size */
1833 ffio_wfourcc(pb, "data");
1834 avio_wb32(pb, 0); // 8 bytes empty
1836 avio_wb16(pb, 0); // empty
1837 avio_wb16(pb, track); // track number
1838 avio_wb16(pb, 0); // total track number
1839 avio_wb16(pb, 0); // empty
1845 /* iTunes meta data list */
1846 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1849 int64_t pos = avio_tell(pb);
1850 avio_wb32(pb, 0); /* size */
1851 ffio_wfourcc(pb, "ilst");
1852 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1853 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1854 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1855 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1856 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1857 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1858 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1859 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1860 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1861 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1862 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1863 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1864 mov_write_string_metadata(s, pb, "desc", "description",1);
1865 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1866 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1867 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1868 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1869 mov_write_trkn_tag(pb, mov, s);
1870 return update_size(pb, pos);
1873 /* iTunes meta data tag */
1874 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1878 int64_t pos = avio_tell(pb);
1879 avio_wb32(pb, 0); /* size */
1880 ffio_wfourcc(pb, "meta");
1882 mov_write_itunes_hdlr_tag(pb, mov, s);
1883 mov_write_ilst_tag(pb, mov, s);
1884 size = update_size(pb, pos);
1888 static int utf8len(const uint8_t *b)
1893 GET_UTF8(val, *b++, return -1;)
1899 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1903 GET_UTF8(val, *b++, return -1;)
1906 avio_wb16(pb, 0x00);
1910 static uint16_t language_code(const char *str)
1912 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1915 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1916 const char *tag, const char *str)
1918 int64_t pos = avio_tell(pb);
1919 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1920 if (!t || !utf8len(t->value))
1922 avio_wb32(pb, 0); /* size */
1923 ffio_wfourcc(pb, tag); /* type */
1924 avio_wb32(pb, 0); /* version + flags */
1925 if (!strcmp(tag, "yrrc"))
1926 avio_wb16(pb, atoi(t->value));
1928 avio_wb16(pb, language_code("eng")); /* language */
1929 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1930 if (!strcmp(tag, "albm") &&
1931 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1932 avio_w8(pb, atoi(t->value));
1934 return update_size(pb, pos);
1937 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1939 int64_t pos = avio_tell(pb);
1940 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1942 avio_wb32(pb, 0); // size
1943 ffio_wfourcc(pb, "chpl");
1944 avio_wb32(pb, 0x01000000); // version + flags
1945 avio_wb32(pb, 0); // unknown
1946 avio_w8(pb, nb_chapters);
1948 for (i = 0; i < nb_chapters; i++) {
1949 AVChapter *c = s->chapters[i];
1950 AVDictionaryEntry *t;
1951 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1953 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1954 int len = FFMIN(strlen(t->value), 255);
1956 avio_write(pb, t->value, len);
1960 return update_size(pb, pos);
1963 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1966 AVIOContext *pb_buf;
1970 for (i = 0; i < s->nb_streams; i++)
1971 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1975 ret = avio_open_dyn_buf(&pb_buf);
1979 if (mov->mode & MODE_3GP) {
1980 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1981 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1982 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1983 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1984 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1985 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1986 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1987 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1988 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1989 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1990 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1991 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1992 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1993 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1994 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1995 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1996 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1997 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1999 /* iTunes meta data */
2000 mov_write_meta_tag(pb_buf, mov, s);
2004 mov_write_chpl_tag(pb_buf, s);
2006 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2007 avio_wb32(pb, size+8);
2008 ffio_wfourcc(pb, "udta");
2009 avio_write(pb, buf, size);
2016 static void mov_write_psp_udta_tag(AVIOContext *pb,
2017 const char *str, const char *lang, int type)
2019 int len = utf8len(str)+1;
2022 avio_wb16(pb, len*2+10); /* size */
2023 avio_wb32(pb, type); /* type */
2024 avio_wb16(pb, language_code(lang)); /* language */
2025 avio_wb16(pb, 0x01); /* ? */
2026 ascii_to_wc(pb, str);
2029 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2031 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2035 pos = avio_tell(pb);
2036 avio_wb32(pb, 0); /* size placeholder*/
2037 ffio_wfourcc(pb, "uuid");
2038 ffio_wfourcc(pb, "USMT");
2039 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2040 avio_wb32(pb, 0xbb88695c);
2041 avio_wb32(pb, 0xfac9c740);
2043 pos2 = avio_tell(pb);
2044 avio_wb32(pb, 0); /* size placeholder*/
2045 ffio_wfourcc(pb, "MTDT");
2049 avio_wb16(pb, 0x0C); /* size */
2050 avio_wb32(pb, 0x0B); /* type */
2051 avio_wb16(pb, language_code("und")); /* language */
2052 avio_wb16(pb, 0x0); /* ? */
2053 avio_wb16(pb, 0x021C); /* data */
2055 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2056 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2057 // 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);
2058 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2060 update_size(pb, pos2);
2061 return update_size(pb, pos);
2067 static void build_chunks(MOVTrack *trk)
2070 MOVIentry *chunk= &trk->cluster[0];
2071 uint64_t chunkSize = chunk->size;
2073 if (trk->chunkCount)
2076 for(i=1; i<trk->entry; i++){
2077 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2078 chunkSize + trk->cluster[i].size < (1<<20)){
2079 chunkSize += trk->cluster[i].size;
2080 chunk->samples_in_chunk += trk->cluster[i].entries;
2082 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2083 chunk=&trk->cluster[i];
2084 chunkSize = chunk->size;
2090 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2094 int64_t pos = avio_tell(pb);
2095 avio_wb32(pb, 0); /* size placeholder*/
2096 ffio_wfourcc(pb, "moov");
2098 for (i=0; i<mov->nb_streams; i++) {
2099 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2102 mov->tracks[i].time = mov->time;
2103 mov->tracks[i].track_id = i+1;
2105 if (mov->tracks[i].entry)
2106 build_chunks(&mov->tracks[i]);
2109 if (mov->chapter_track)
2110 for (i=0; i<s->nb_streams; i++) {
2111 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2112 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2114 for (i = 0; i < mov->nb_streams; i++) {
2115 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2116 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2117 mov->tracks[i].tref_id =
2118 mov->tracks[mov->tracks[i].src_track].track_id;
2122 mov_write_mvhd_tag(pb, mov);
2123 if (mov->mode != MODE_MOV && !mov->iods_skip)
2124 mov_write_iods_tag(pb, mov);
2125 for (i=0; i<mov->nb_streams; i++) {
2126 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2127 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2130 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2131 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2133 if (mov->mode == MODE_PSP)
2134 mov_write_uuidusmt_tag(pb, s);
2136 mov_write_udta_tag(pb, mov, s);
2138 return update_size(pb, pos);
2141 static void param_write_int(AVIOContext *pb, const char *name, int value)
2143 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2146 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2148 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2151 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2154 len = FFMIN(sizeof(buf)/2 - 1, len);
2155 ff_data_to_hex(buf, value, len, 0);
2157 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2160 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2162 uint16_t sps_size, pps_size, len;
2164 sps_size = AV_RB16(&enc->extradata[6]);
2165 if (11 + sps_size > enc->extradata_size)
2167 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2168 if (11 + sps_size + pps_size > enc->extradata_size)
2170 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2171 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2173 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2174 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2175 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2177 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2180 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2182 int64_t pos = avio_tell(pb);
2184 const uint8_t uuid[] = {
2185 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2186 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2190 ffio_wfourcc(pb, "uuid");
2191 avio_write(pb, uuid, sizeof(uuid));
2194 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2195 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2196 avio_printf(pb, "<head>\n");
2197 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2199 avio_printf(pb, "</head>\n");
2200 avio_printf(pb, "<body>\n");
2201 avio_printf(pb, "<switch>\n");
2202 for (i = 0; i < mov->nb_streams; i++) {
2203 MOVTrack *track = &mov->tracks[i];
2205 /* track->track_id is initialized in write_moov, and thus isn't known
2207 int track_id = i + 1;
2209 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2211 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2216 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2217 track->enc->bit_rate);
2218 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2219 param_write_int(pb, "trackID", track_id);
2220 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2221 if (track->enc->codec_id == CODEC_ID_H264 &&
2222 track->enc->extradata_size >= 11 &&
2223 track->enc->extradata[0] == 1) {
2224 write_h264_extradata(pb, track->enc);
2226 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2227 track->enc->extradata_size);
2229 if (track->enc->codec_id == CODEC_ID_H264) {
2230 param_write_string(pb, "FourCC", "H264");
2231 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2232 param_write_string(pb, "FourCC", "WVC1");
2234 param_write_int(pb, "MaxWidth", track->enc->width);
2235 param_write_int(pb, "MaxHeight", track->enc->height);
2236 param_write_int(pb, "DisplayWidth", track->enc->width);
2237 param_write_int(pb, "DisplayHeight", track->enc->height);
2239 if (track->enc->codec_id == CODEC_ID_AAC) {
2240 param_write_string(pb, "FourCC", "AACL");
2241 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2242 param_write_string(pb, "FourCC", "WMAP");
2244 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2245 track->enc->extradata_size);
2246 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2247 track->enc->codec_id));
2248 param_write_int(pb, "Channels", track->enc->channels);
2249 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2250 param_write_int(pb, "BitsPerSample", 16);
2251 param_write_int(pb, "PacketSize", track->enc->block_align ?
2252 track->enc->block_align : 4);
2254 avio_printf(pb, "</%s>\n", type);
2256 avio_printf(pb, "</switch>\n");
2257 avio_printf(pb, "</body>\n");
2258 avio_printf(pb, "</smil>\n");
2260 return update_size(pb, pos);
2263 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2266 ffio_wfourcc(pb, "mfhd");
2268 avio_wb32(pb, mov->fragments);
2272 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2273 int64_t moof_offset)
2275 int64_t pos = avio_tell(pb);
2276 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2277 MOV_TFHD_BASE_DATA_OFFSET;
2278 if (!track->entry) {
2279 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2281 flags |= MOV_TFHD_DEFAULT_FLAGS;
2284 /* Don't set a default sample size, the silverlight player refuses
2285 * to play files with that set. Don't set a default sample duration,
2286 * WMP freaks out if it is set. */
2287 if (track->mode == MODE_ISM)
2288 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2290 avio_wb32(pb, 0); /* size placeholder */
2291 ffio_wfourcc(pb, "tfhd");
2292 avio_w8(pb, 0); /* version */
2293 avio_wb24(pb, flags);
2295 avio_wb32(pb, track->track_id); /* track-id */
2296 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2297 avio_wb64(pb, moof_offset);
2298 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2299 track->default_duration = get_cluster_duration(track, 0);
2300 avio_wb32(pb, track->default_duration);
2302 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2303 track->default_size = track->entry ? track->cluster[0].size : 1;
2304 avio_wb32(pb, track->default_size);
2306 track->default_size = -1;
2308 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2309 track->default_sample_flags =
2310 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2311 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2312 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2313 avio_wb32(pb, track->default_sample_flags);
2316 return update_size(pb, pos);
2319 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2321 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2322 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2325 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2327 int64_t pos = avio_tell(pb);
2328 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2331 for (i = 0; i < track->entry; i++) {
2332 if (get_cluster_duration(track, i) != track->default_duration)
2333 flags |= MOV_TRUN_SAMPLE_DURATION;
2334 if (track->cluster[i].size != track->default_size)
2335 flags |= MOV_TRUN_SAMPLE_SIZE;
2336 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2337 flags |= MOV_TRUN_SAMPLE_FLAGS;
2339 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2340 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2341 if (track->flags & MOV_TRACK_CTTS)
2342 flags |= MOV_TRUN_SAMPLE_CTS;
2344 avio_wb32(pb, 0); /* size placeholder */
2345 ffio_wfourcc(pb, "trun");
2346 avio_w8(pb, 0); /* version */
2347 avio_wb24(pb, flags);
2349 avio_wb32(pb, track->entry); /* sample count */
2350 track->moof_size_offset = avio_tell(pb);
2351 avio_wb32(pb, 0); /* data offset */
2352 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2353 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2355 for (i = 0; i < track->entry; i++) {
2356 if (flags & MOV_TRUN_SAMPLE_DURATION)
2357 avio_wb32(pb, get_cluster_duration(track, i));
2358 if (flags & MOV_TRUN_SAMPLE_SIZE)
2359 avio_wb32(pb, track->cluster[i].size);
2360 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2361 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2362 if (flags & MOV_TRUN_SAMPLE_CTS)
2363 avio_wb32(pb, track->cluster[i].cts);
2366 return update_size(pb, pos);
2369 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2371 int64_t pos = avio_tell(pb);
2372 const uint8_t uuid[] = {
2373 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2374 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2377 avio_wb32(pb, 0); /* size placeholder */
2378 ffio_wfourcc(pb, "uuid");
2379 avio_write(pb, uuid, sizeof(uuid));
2382 avio_wb64(pb, track->frag_start);
2383 avio_wb64(pb, track->start_dts + track->track_duration -
2384 track->cluster[0].dts);
2386 return update_size(pb, pos);
2389 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2390 MOVTrack *track, int entry)
2392 int n = track->nb_frag_info - 1 - entry, i;
2393 int size = 8 + 16 + 4 + 1 + 16*n;
2394 const uint8_t uuid[] = {
2395 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2396 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2402 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2403 avio_wb32(pb, size);
2404 ffio_wfourcc(pb, "uuid");
2405 avio_write(pb, uuid, sizeof(uuid));
2409 for (i = 0; i < n; i++) {
2410 int index = entry + 1 + i;
2411 avio_wb64(pb, track->frag_info[index].time);
2412 avio_wb64(pb, track->frag_info[index].duration);
2414 if (n < mov->ism_lookahead) {
2415 int free_size = 16*(mov->ism_lookahead - n);
2416 avio_wb32(pb, free_size);
2417 ffio_wfourcc(pb, "free");
2418 for (i = 0; i < free_size - 8; i++)
2425 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2428 int64_t pos = avio_tell(pb);
2430 for (i = 0; i < mov->ism_lookahead; i++) {
2431 /* Update the tfrf tag for the last ism_lookahead fragments,
2432 * nb_frag_info - 1 is the next fragment to be written. */
2433 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2435 avio_seek(pb, pos, SEEK_SET);
2439 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2440 MOVTrack *track, int64_t moof_offset)
2442 int64_t pos = avio_tell(pb);
2443 avio_wb32(pb, 0); /* size placeholder */
2444 ffio_wfourcc(pb, "traf");
2446 mov_write_tfhd_tag(pb, track, moof_offset);
2447 mov_write_trun_tag(pb, track);
2448 if (mov->mode == MODE_ISM) {
2449 mov_write_tfxd_tag(pb, track);
2451 if (mov->ism_lookahead) {
2452 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2454 track->tfrf_offset = avio_tell(pb);
2455 avio_wb32(pb, 8 + size);
2456 ffio_wfourcc(pb, "free");
2457 for (i = 0; i < size; i++)
2462 return update_size(pb, pos);
2465 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2467 int64_t pos = avio_tell(pb), end;
2470 avio_wb32(pb, 0); /* size placeholder */
2471 ffio_wfourcc(pb, "moof");
2473 mov_write_mfhd_tag(pb, mov);
2474 for (i = 0; i < mov->nb_streams; i++) {
2475 MOVTrack *track = &mov->tracks[i];
2476 if (tracks >= 0 && i != tracks)
2480 mov_write_traf_tag(pb, mov, track, pos);
2483 end = avio_tell(pb);
2484 moof_size = end - pos;
2485 for (i = 0; i < mov->nb_streams; i++) {
2486 MOVTrack *track = &mov->tracks[i];
2487 if (tracks >= 0 && i != tracks)
2491 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2492 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2494 avio_seek(pb, end, SEEK_SET);
2496 return update_size(pb, pos);
2499 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2501 int64_t pos = avio_tell(pb);
2504 avio_wb32(pb, 0); /* size placeholder */
2505 ffio_wfourcc(pb, "tfra");
2506 avio_w8(pb, 1); /* version */
2509 avio_wb32(pb, track->track_id);
2510 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2511 avio_wb32(pb, track->nb_frag_info);
2512 for (i = 0; i < track->nb_frag_info; i++) {
2513 avio_wb64(pb, track->frag_info[i].time);
2514 avio_wb64(pb, track->frag_info[i].offset);
2515 avio_w8(pb, 1); /* traf number */
2516 avio_w8(pb, 1); /* trun number */
2517 avio_w8(pb, 1); /* sample number */
2520 return update_size(pb, pos);
2523 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2525 int64_t pos = avio_tell(pb);
2528 avio_wb32(pb, 0); /* size placeholder */
2529 ffio_wfourcc(pb, "mfra");
2530 /* An empty mfra atom is enough to indicate to the publishing point that
2531 * the stream has ended. */
2532 if (mov->flags & FF_MOV_FLAG_ISML)
2533 return update_size(pb, pos);
2535 for (i = 0; i < mov->nb_streams; i++) {
2536 MOVTrack *track = &mov->tracks[i];
2537 if (track->nb_frag_info)
2538 mov_write_tfra_tag(pb, track);
2542 ffio_wfourcc(pb, "mfro");
2543 avio_wb32(pb, 0); /* version + flags */
2544 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2546 return update_size(pb, pos);
2549 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2551 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2552 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2554 mov->mdat_pos = avio_tell(pb);
2555 avio_wb32(pb, 0); /* size placeholder*/
2556 ffio_wfourcc(pb, "mdat");
2560 /* TODO: This needs to be more general */
2561 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2563 MOVMuxContext *mov = s->priv_data;
2564 int64_t pos = avio_tell(pb);
2565 int has_h264 = 0, has_video = 0;
2569 for (i = 0; i < s->nb_streams; i++) {
2570 AVStream *st = s->streams[i];
2571 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2573 if (st->codec->codec_id == CODEC_ID_H264)
2577 avio_wb32(pb, 0); /* size */
2578 ffio_wfourcc(pb, "ftyp");
2580 if (mov->mode == MODE_3GP) {
2581 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2582 minor = has_h264 ? 0x100 : 0x200;
2583 } else if (mov->mode & MODE_3G2) {
2584 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2585 minor = has_h264 ? 0x20000 : 0x10000;
2586 }else if (mov->mode == MODE_PSP)
2587 ffio_wfourcc(pb, "MSNV");
2588 else if (mov->mode == MODE_MP4)
2589 ffio_wfourcc(pb, "isom");
2590 else if (mov->mode == MODE_IPOD)
2591 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2592 else if (mov->mode == MODE_ISM)
2593 ffio_wfourcc(pb, "isml");
2595 ffio_wfourcc(pb, "qt ");
2597 avio_wb32(pb, minor);
2599 if(mov->mode == MODE_MOV)
2600 ffio_wfourcc(pb, "qt ");
2601 else if (mov->mode == MODE_ISM) {
2602 ffio_wfourcc(pb, "piff");
2603 ffio_wfourcc(pb, "iso2");
2605 ffio_wfourcc(pb, "isom");
2606 ffio_wfourcc(pb, "iso2");
2608 ffio_wfourcc(pb, "avc1");
2611 if (mov->mode == MODE_3GP)
2612 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2613 else if (mov->mode & MODE_3G2)
2614 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2615 else if (mov->mode == MODE_PSP)
2616 ffio_wfourcc(pb, "MSNV");
2617 else if (mov->mode == MODE_MP4)
2618 ffio_wfourcc(pb, "mp41");
2619 return update_size(pb, pos);
2622 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2624 AVCodecContext *video_codec = s->streams[0]->codec;
2625 AVCodecContext *audio_codec = s->streams[1]->codec;
2626 int audio_rate = audio_codec->sample_rate;
2627 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2628 int audio_kbitrate = audio_codec->bit_rate / 1000;
2629 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2631 avio_wb32(pb, 0x94); /* size */
2632 ffio_wfourcc(pb, "uuid");
2633 ffio_wfourcc(pb, "PROF");
2635 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2636 avio_wb32(pb, 0xbb88695c);
2637 avio_wb32(pb, 0xfac9c740);
2639 avio_wb32(pb, 0x0); /* ? */
2640 avio_wb32(pb, 0x3); /* 3 sections ? */
2642 avio_wb32(pb, 0x14); /* size */
2643 ffio_wfourcc(pb, "FPRF");
2644 avio_wb32(pb, 0x0); /* ? */
2645 avio_wb32(pb, 0x0); /* ? */
2646 avio_wb32(pb, 0x0); /* ? */
2648 avio_wb32(pb, 0x2c); /* size */
2649 ffio_wfourcc(pb, "APRF");/* audio */
2651 avio_wb32(pb, 0x2); /* TrackID */
2652 ffio_wfourcc(pb, "mp4a");
2653 avio_wb32(pb, 0x20f);
2655 avio_wb32(pb, audio_kbitrate);
2656 avio_wb32(pb, audio_kbitrate);
2657 avio_wb32(pb, audio_rate);
2658 avio_wb32(pb, audio_codec->channels);
2660 avio_wb32(pb, 0x34); /* size */
2661 ffio_wfourcc(pb, "VPRF"); /* video */
2663 avio_wb32(pb, 0x1); /* TrackID */
2664 if (video_codec->codec_id == CODEC_ID_H264) {
2665 ffio_wfourcc(pb, "avc1");
2666 avio_wb16(pb, 0x014D);
2667 avio_wb16(pb, 0x0015);
2669 ffio_wfourcc(pb, "mp4v");
2670 avio_wb16(pb, 0x0000);
2671 avio_wb16(pb, 0x0103);
2674 avio_wb32(pb, video_kbitrate);
2675 avio_wb32(pb, video_kbitrate);
2676 avio_wb32(pb, frame_rate);
2677 avio_wb32(pb, frame_rate);
2678 avio_wb16(pb, video_codec->width);
2679 avio_wb16(pb, video_codec->height);
2680 avio_wb32(pb, 0x010001); /* ? */
2683 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2686 int i, closed_gop = 0;
2688 for (i = 0; i < pkt->size - 4; i++) {
2689 c = (c<<8) + pkt->data[i];
2690 if (c == 0x1b8) { // gop
2691 closed_gop = pkt->data[i+4]>>6 & 0x01;
2692 } else if (c == 0x100) { // pic
2693 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2694 if (!temp_ref || closed_gop) // I picture is not reordered
2695 *flags = MOV_SYNC_SAMPLE;
2697 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2704 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2706 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2707 int seq = 0, entry = 0;
2708 int key = pkt->flags & AV_PKT_FLAG_KEY;
2709 start = find_next_marker(pkt->data, end);
2710 for (next = start; next < end; start = next) {
2711 next = find_next_marker(start + 4, end);
2712 switch (AV_RB32(start)) {
2713 case VC1_CODE_SEQHDR:
2716 case VC1_CODE_ENTRYPOINT:
2719 case VC1_CODE_SLICE:
2720 trk->vc1_info.slices = 1;
2724 if (!trk->entry && !fragment) {
2725 /* First packet in first fragment */
2726 trk->vc1_info.first_packet_seq = seq;
2727 trk->vc1_info.first_packet_entry = entry;
2728 } else if ((seq && !trk->vc1_info.packet_seq) ||
2729 (entry && !trk->vc1_info.packet_entry)) {
2731 for (i = 0; i < trk->entry; i++)
2732 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2733 trk->has_keyframes = 0;
2735 trk->vc1_info.packet_seq = 1;
2737 trk->vc1_info.packet_entry = 1;
2739 /* First fragment */
2740 if ((!seq || trk->vc1_info.first_packet_seq) &&
2741 (!entry || trk->vc1_info.first_packet_entry)) {
2742 /* First packet had the same headers as this one, readd the
2743 * sync sample flag. */
2744 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2745 trk->has_keyframes = 1;
2749 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2751 else if (trk->vc1_info.packet_seq)
2753 else if (trk->vc1_info.packet_entry)
2756 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2757 trk->has_keyframes++;
2761 static int mov_flush_fragment(AVFormatContext *s)
2763 MOVMuxContext *mov = s->priv_data;
2764 int i, first_track = -1;
2765 int64_t mdat_size = 0;
2767 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2770 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2771 int64_t pos = avio_tell(s->pb);
2773 AVIOContext *moov_buf;
2777 for (i = 0; i < mov->nb_streams; i++)
2778 if (!mov->tracks[i].entry)
2780 /* Don't write the initial moov unless all tracks have data */
2781 if (i < mov->nb_streams)
2784 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2786 mov_write_moov_tag(moov_buf, mov, s);
2787 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2789 for (i = 0; i < mov->nb_streams; i++)
2790 mov->tracks[i].data_offset = pos + buf_size + 8;
2792 mov_write_moov_tag(s->pb, mov, s);
2794 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2795 mov->mdat_buf = NULL;
2796 avio_wb32(s->pb, buf_size + 8);
2797 ffio_wfourcc(s->pb, "mdat");
2798 avio_write(s->pb, buf, buf_size);
2803 for (i = 0; i < mov->nb_streams; i++) {
2804 if (mov->tracks[i].entry)
2805 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2806 mov->tracks[i].track_duration -
2807 mov->tracks[i].cluster[0].dts;
2808 mov->tracks[i].entry = 0;
2814 for (i = 0; i < mov->nb_streams; i++) {
2815 MOVTrack *track = &mov->tracks[i];
2816 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2817 track->data_offset = 0;
2819 track->data_offset = mdat_size;
2820 if (!track->mdat_buf)
2822 mdat_size += avio_tell(track->mdat_buf);
2823 if (first_track < 0)
2830 for (i = 0; i < mov->nb_streams; i++) {
2831 MOVTrack *track = &mov->tracks[i];
2832 int buf_size, write_moof = 1, moof_tracks = -1;
2834 int64_t duration = 0;
2837 duration = track->start_dts + track->track_duration -
2838 track->cluster[0].dts;
2839 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2840 if (!track->mdat_buf)
2842 mdat_size = avio_tell(track->mdat_buf);
2845 write_moof = i == first_track;
2849 MOVFragmentInfo *info;
2851 track->nb_frag_info++;
2852 track->frag_info = av_realloc(track->frag_info,
2853 sizeof(*track->frag_info) *
2854 track->nb_frag_info);
2855 info = &track->frag_info[track->nb_frag_info - 1];
2856 info->offset = avio_tell(s->pb);
2857 info->time = mov->tracks[i].frag_start;
2858 info->duration = duration;
2859 mov_write_tfrf_tags(s->pb, mov, track);
2861 mov_write_moof_tag(s->pb, mov, moof_tracks);
2862 info->tfrf_offset = track->tfrf_offset;
2865 avio_wb32(s->pb, mdat_size + 8);
2866 ffio_wfourcc(s->pb, "mdat");
2870 track->frag_start += duration;
2872 if (!track->mdat_buf)
2874 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2875 track->mdat_buf = NULL;
2877 avio_write(s->pb, buf, buf_size);
2887 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2889 MOVMuxContext *mov = s->priv_data;
2890 AVIOContext *pb = s->pb;
2891 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2892 AVCodecContext *enc = trk->enc;
2893 unsigned int samples_in_chunk = 0;
2894 int size= pkt->size;
2895 uint8_t *reformatted_data = NULL;
2897 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2898 return 0; /* Can't handle that */
2900 if (!size) return 0; /* Discard 0 sized packets */
2902 if ((mov->max_fragment_duration && trk->entry &&
2903 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2904 s->streams[pkt->stream_index]->time_base,
2905 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2906 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2907 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2908 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2909 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2910 mov_flush_fragment(s);
2913 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2915 if (mov->fragments > 0) {
2916 if (!trk->mdat_buf) {
2917 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2922 if (!mov->mdat_buf) {
2923 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2930 if (enc->codec_id == CODEC_ID_AMR_NB) {
2931 /* We must find out how many AMR blocks there are in one packet */
2932 static uint16_t packed_size[16] =
2933 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2936 while (len < size && samples_in_chunk < 100) {
2937 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2940 if (samples_in_chunk > 1) {
2941 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2944 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2945 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2946 samples_in_chunk = enc->frame_size;
2947 } else if (trk->sample_size)
2948 samples_in_chunk = size / trk->sample_size;
2950 samples_in_chunk = 1;
2952 /* copy extradata if it exists */
2953 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2954 trk->vos_len = enc->extradata_size;
2955 trk->vos_data = av_malloc(trk->vos_len);
2956 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2959 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2960 /* from x264 or from bytestream h264 */
2961 /* nal reformating needed */
2962 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2963 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2965 avio_write(pb, reformatted_data, size);
2967 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2969 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2970 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2971 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2974 avio_write(pb, pkt->data, size);
2977 if ((enc->codec_id == CODEC_ID_DNXHD ||
2978 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2979 /* copy frame to create needed atoms */
2980 trk->vos_len = size;
2981 trk->vos_data = av_malloc(size);
2983 return AVERROR(ENOMEM);
2984 memcpy(trk->vos_data, pkt->data, size);
2987 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2988 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2993 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2994 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2995 trk->cluster[trk->entry].chunkNum = 0;
2996 trk->cluster[trk->entry].size = size;
2997 trk->cluster[trk->entry].entries = samples_in_chunk;
2998 trk->cluster[trk->entry].dts = pkt->dts;
2999 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3000 /* First packet of a new fragment. We already wrote the duration
3001 * of the last packet of the previous fragment based on track_duration,
3002 * which might not exactly match our dts. Therefore adjust the dts
3003 * of this packet to be what the previous packets duration implies. */
3004 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3006 if (trk->start_dts == AV_NOPTS_VALUE)
3007 trk->start_dts = pkt->dts;
3008 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3010 if (pkt->pts == AV_NOPTS_VALUE) {
3011 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3012 pkt->pts = pkt->dts;
3014 if (pkt->dts != pkt->pts)
3015 trk->flags |= MOV_TRACK_CTTS;
3016 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3017 trk->cluster[trk->entry].flags = 0;
3018 if (enc->codec_id == CODEC_ID_VC1) {
3019 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3020 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3021 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
3022 trk->entry > 0) { // force sync sample for the first key frame
3023 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3024 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3025 trk->flags |= MOV_TRACK_STPS;
3027 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3029 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3030 trk->has_keyframes++;
3033 trk->sample_count += samples_in_chunk;
3034 mov->mdat_size += size;
3038 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3039 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3040 reformatted_data, size);
3041 av_free(reformatted_data);
3045 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3048 mov_flush_fragment(s);
3051 return mov_write_packet_internal(s, pkt);
3055 // QuickTime chapters involve an additional text track with the chapter names
3056 // as samples, and a tref pointing from the other tracks to the chapter one.
3057 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3059 MOVMuxContext *mov = s->priv_data;
3060 MOVTrack *track = &mov->tracks[tracknum];
3061 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3064 track->mode = mov->mode;
3065 track->tag = MKTAG('t','e','x','t');
3066 track->timescale = MOV_TIMESCALE;
3067 track->enc = avcodec_alloc_context3(NULL);
3068 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3070 for (i = 0; i < s->nb_chapters; i++) {
3071 AVChapter *c = s->chapters[i];
3072 AVDictionaryEntry *t;
3074 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3075 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3076 pkt.duration = end - pkt.dts;
3078 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3079 len = strlen(t->value);
3081 pkt.data = av_malloc(pkt.size);
3082 AV_WB16(pkt.data, len);
3083 memcpy(pkt.data+2, t->value, len);
3084 ff_mov_write_packet(s, &pkt);
3085 av_freep(&pkt.data);
3090 static int mov_write_header(AVFormatContext *s)
3092 AVIOContext *pb = s->pb;
3093 MOVMuxContext *mov = s->priv_data;
3094 AVDictionaryEntry *t;
3095 int i, hint_track = 0;
3097 /* Set the FRAGMENT flag if any of the fragmentation methods are
3099 if (mov->max_fragment_duration || mov->max_fragment_size ||
3100 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3101 FF_MOV_FLAG_FRAG_KEYFRAME |
3102 FF_MOV_FLAG_FRAG_CUSTOM))
3103 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3105 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3106 * is enabled, we don't support non-seekable output at all. */
3107 if (!s->pb->seekable &&
3108 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3109 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3110 || mov->ism_lookahead)) {
3111 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3115 /* Default mode == MP4 */
3116 mov->mode = MODE_MP4;
3118 if (s->oformat != NULL) {
3119 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3120 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3121 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3122 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3123 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3124 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3126 mov_write_ftyp_tag(pb,s);
3127 if (mov->mode == MODE_PSP) {
3128 if (s->nb_streams != 2) {
3129 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3132 mov_write_uuidprof_tag(pb,s);
3136 mov->nb_streams = s->nb_streams;
3137 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3138 mov->chapter_track = mov->nb_streams++;
3140 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3141 /* Add hint tracks for each audio and video stream */
3142 hint_track = mov->nb_streams;
3143 for (i = 0; i < s->nb_streams; i++) {
3144 AVStream *st = s->streams[i];
3145 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3146 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3152 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3154 return AVERROR(ENOMEM);
3156 for(i=0; i<s->nb_streams; i++){
3157 AVStream *st= s->streams[i];
3158 MOVTrack *track= &mov->tracks[i];
3159 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3161 track->enc = st->codec;
3162 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3163 if (track->language < 0)
3164 track->language = 0;
3165 track->mode = mov->mode;
3166 track->tag = mov_find_codec_tag(s, track);
3168 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3169 "codec not currently supported in container\n", i);
3172 /* If hinting of this track is enabled by a later hint track,
3173 * this is updated. */
3174 track->hint_track = -1;
3175 track->start_dts = AV_NOPTS_VALUE;
3176 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3177 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3178 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3179 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3180 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3181 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3184 track->height = track->tag>>24 == 'n' ? 486 : 576;
3186 track->timescale = st->codec->time_base.den;
3187 if (track->mode == MODE_MOV && track->timescale > 100000)
3188 av_log(s, AV_LOG_WARNING,
3189 "WARNING codec timebase is very high. If duration is too long,\n"
3190 "file may not be playable by quicktime. Specify a shorter timebase\n"
3191 "or choose different container.\n");
3192 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3193 track->timescale = st->codec->sample_rate;
3194 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3195 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
3197 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3198 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3199 if (!st->codec->block_align) {
3200 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3203 track->sample_size = st->codec->block_align;
3204 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3205 track->audio_vbr = 1;
3207 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3209 if (track->mode != MODE_MOV) {
3210 if (track->timescale > UINT16_MAX) {
3211 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3212 "sample rate %dhz\n", i, track->timescale);
3215 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3216 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3217 i, track->enc->sample_rate);
3221 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3222 track->timescale = st->codec->time_base.den;
3225 track->height = st->codec->height;
3226 /* The ism specific timescale isn't mandatory, but is assumed by
3227 * some tools, such as mp4split. */
3228 if (mov->mode == MODE_ISM)
3229 track->timescale = 10000000;
3231 avpriv_set_pts_info(st, 64, 1, track->timescale);
3233 /* copy extradata if it exists */
3234 if (st->codec->extradata_size) {
3235 track->vos_len = st->codec->extradata_size;
3236 track->vos_data = av_malloc(track->vos_len);
3237 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3241 if (mov->mode == MODE_ISM) {
3242 /* If no fragmentation options have been set, set a default. */
3243 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3244 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3245 !mov->max_fragment_duration && !mov->max_fragment_size)
3246 mov->max_fragment_duration = 5000000;
3247 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3248 FF_MOV_FLAG_FRAGMENT;
3251 if(mov->reserved_moov_size){
3252 mov->reserved_moov_pos= avio_tell(pb);
3253 avio_skip(pb, mov->reserved_moov_size);
3256 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3257 mov_write_mdat_tag(pb, mov);
3259 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3260 mov->time = ff_iso8601_to_unix_time(t->value);
3262 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3264 if (mov->chapter_track)
3265 mov_create_chapter_track(s, mov->chapter_track);
3267 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3268 /* Initialize the hint tracks for each audio and video stream */
3269 for (i = 0; i < s->nb_streams; i++) {
3270 AVStream *st = s->streams[i];
3271 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3272 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3273 ff_mov_init_hinting(s, hint_track, i);
3281 if (mov->flags & FF_MOV_FLAG_ISML)
3282 mov_write_isml_manifest(pb, mov);
3284 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3285 mov_write_moov_tag(pb, mov, s);
3291 av_freep(&mov->tracks);
3295 static int mov_write_trailer(AVFormatContext *s)
3297 MOVMuxContext *mov = s->priv_data;
3298 AVIOContext *pb = s->pb;
3302 int64_t moov_pos = avio_tell(pb);
3304 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3305 /* Write size of mdat tag */
3306 if (mov->mdat_size + 8 <= UINT32_MAX) {
3307 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3308 avio_wb32(pb, mov->mdat_size + 8);
3310 /* overwrite 'wide' placeholder atom */
3311 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3312 /* special value: real atom size will be 64 bit value after
3315 ffio_wfourcc(pb, "mdat");
3316 avio_wb64(pb, mov->mdat_size + 16);
3318 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3320 mov_write_moov_tag(pb, mov, s);
3321 if(mov->reserved_moov_size){
3322 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3324 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3327 avio_wb32(pb, size);
3328 ffio_wfourcc(pb, "free");
3329 for(i=0; i<size; i++)
3331 avio_seek(pb, moov_pos, SEEK_SET);
3334 mov_flush_fragment(s);
3335 mov_write_mfra_tag(pb, mov);
3338 if (mov->chapter_track)
3339 av_freep(&mov->tracks[mov->chapter_track].enc);
3341 for (i=0; i<mov->nb_streams; i++) {
3342 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3343 ff_mov_close_hinting(&mov->tracks[i]);
3344 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3345 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3346 int64_t off = avio_tell(pb);
3348 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3349 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3350 avio_write(pb, buf, 7);
3351 avio_seek(pb, off, SEEK_SET);
3354 av_freep(&mov->tracks[i].cluster);
3355 av_freep(&mov->tracks[i].frag_info);
3357 if (mov->tracks[i].vos_len)
3358 av_free(mov->tracks[i].vos_data);
3364 av_freep(&mov->tracks);
3369 #if CONFIG_MOV_MUXER
3371 AVOutputFormat ff_mov_muxer = {
3373 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3374 .extensions = "mov",
3375 .priv_data_size = sizeof(MOVMuxContext),
3376 .audio_codec = CODEC_ID_AAC,
3377 #if CONFIG_LIBX264_ENCODER
3378 .video_codec = CODEC_ID_H264,
3380 .video_codec = CODEC_ID_MPEG4,
3382 .write_header = mov_write_header,
3383 .write_packet = ff_mov_write_packet,
3384 .write_trailer = mov_write_trailer,
3385 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3386 .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
3387 .priv_class = &mov_muxer_class,
3390 #if CONFIG_TGP_MUXER
3392 AVOutputFormat ff_tgp_muxer = {
3394 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3395 .extensions = "3gp",
3396 .priv_data_size = sizeof(MOVMuxContext),
3397 .audio_codec = CODEC_ID_AMR_NB,
3398 .video_codec = CODEC_ID_H263,
3399 .write_header = mov_write_header,
3400 .write_packet = ff_mov_write_packet,
3401 .write_trailer = mov_write_trailer,
3402 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3403 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3404 .priv_class = &tgp_muxer_class,
3407 #if CONFIG_MP4_MUXER
3409 AVOutputFormat ff_mp4_muxer = {
3411 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3412 .mime_type = "application/mp4",
3413 .extensions = "mp4",
3414 .priv_data_size = sizeof(MOVMuxContext),
3415 .audio_codec = CODEC_ID_AAC,
3416 #if CONFIG_LIBX264_ENCODER
3417 .video_codec = CODEC_ID_H264,
3419 .video_codec = CODEC_ID_MPEG4,
3421 .write_header = mov_write_header,
3422 .write_packet = ff_mov_write_packet,
3423 .write_trailer = mov_write_trailer,
3424 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3425 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3426 .priv_class = &mp4_muxer_class,
3429 #if CONFIG_PSP_MUXER
3431 AVOutputFormat ff_psp_muxer = {
3433 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3434 .extensions = "mp4,psp",
3435 .priv_data_size = sizeof(MOVMuxContext),
3436 .audio_codec = CODEC_ID_AAC,
3437 #if CONFIG_LIBX264_ENCODER
3438 .video_codec = CODEC_ID_H264,
3440 .video_codec = CODEC_ID_MPEG4,
3442 .write_header = mov_write_header,
3443 .write_packet = ff_mov_write_packet,
3444 .write_trailer = mov_write_trailer,
3445 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3446 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3447 .priv_class = &psp_muxer_class,
3450 #if CONFIG_TG2_MUXER
3452 AVOutputFormat ff_tg2_muxer = {
3454 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3455 .extensions = "3g2",
3456 .priv_data_size = sizeof(MOVMuxContext),
3457 .audio_codec = CODEC_ID_AMR_NB,
3458 .video_codec = CODEC_ID_H263,
3459 .write_header = mov_write_header,
3460 .write_packet = ff_mov_write_packet,
3461 .write_trailer = mov_write_trailer,
3462 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3463 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3464 .priv_class = &tg2_muxer_class,
3467 #if CONFIG_IPOD_MUXER
3469 AVOutputFormat ff_ipod_muxer = {
3471 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3472 .mime_type = "application/mp4",
3473 .extensions = "m4v,m4a",
3474 .priv_data_size = sizeof(MOVMuxContext),
3475 .audio_codec = CODEC_ID_AAC,
3476 .video_codec = CODEC_ID_H264,
3477 .write_header = mov_write_header,
3478 .write_packet = ff_mov_write_packet,
3479 .write_trailer = mov_write_trailer,
3480 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3481 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3482 .priv_class = &ipod_muxer_class,
3485 #if CONFIG_ISMV_MUXER
3487 AVOutputFormat ff_ismv_muxer = {
3489 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3490 .mime_type = "application/mp4",
3491 .extensions = "ismv,isma",
3492 .priv_data_size = sizeof(MOVMuxContext),
3493 .audio_codec = CODEC_ID_AAC,
3494 .video_codec = CODEC_ID_H264,
3495 .write_header = mov_write_header,
3496 .write_packet = ff_mov_write_packet,
3497 .write_trailer = mov_write_trailer,
3498 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3499 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3500 .priv_class = &ismv_muxer_class,