3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of Libav.
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * Libav is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.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 { "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" },
50 { "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" },
51 { "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" },
52 { "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" },
53 { "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" },
54 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags)
55 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
56 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
57 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
58 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
59 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "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},
64 #define MOV_CLASS(flavor)\
65 static const AVClass flavor ## _muxer_class = {\
66 .class_name = #flavor " muxer",\
67 .item_name = av_default_item_name,\
69 .version = LIBAVUTIL_VERSION_INT,\
72 //FIXME support 64 bit variant with wide placeholders
73 static int64_t update_size(AVIOContext *pb, int64_t pos)
75 int64_t curpos = avio_tell(pb);
76 avio_seek(pb, pos, SEEK_SET);
77 avio_wb32(pb, curpos - pos); /* rewrite size */
78 avio_seek(pb, curpos, SEEK_SET);
83 /* Chunk offset atom */
84 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
87 int mode64 = 0; // use 32 bit size variant if possible
88 int64_t pos = avio_tell(pb);
89 avio_wb32(pb, 0); /* size */
90 if (pos > UINT32_MAX) {
92 ffio_wfourcc(pb, "co64");
94 ffio_wfourcc(pb, "stco");
95 avio_wb32(pb, 0); /* version & flags */
96 avio_wb32(pb, track->entry); /* entry count */
97 for (i=0; i<track->entry; i++) {
99 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
101 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
103 return update_size(pb, pos);
106 /* Sample size atom */
107 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
110 int i, j, entries = 0, tst = -1, oldtst = -1;
112 int64_t pos = avio_tell(pb);
113 avio_wb32(pb, 0); /* size */
114 ffio_wfourcc(pb, "stsz");
115 avio_wb32(pb, 0); /* version & flags */
117 for (i=0; i<track->entry; i++) {
118 tst = track->cluster[i].size/track->cluster[i].entries;
119 if(oldtst != -1 && tst != oldtst) {
123 entries += track->cluster[i].entries;
125 if (equalChunks && track->entry) {
126 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
127 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
128 avio_wb32(pb, sSize); // sample size
129 avio_wb32(pb, entries); // sample count
132 avio_wb32(pb, 0); // sample size
133 avio_wb32(pb, entries); // sample count
134 for (i=0; i<track->entry; i++) {
135 for (j=0; j<track->cluster[i].entries; j++) {
136 avio_wb32(pb, track->cluster[i].size /
137 track->cluster[i].entries);
141 return update_size(pb, pos);
144 /* Sample to chunk atom */
145 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
147 int index = 0, oldval = -1, i;
148 int64_t entryPos, curpos;
150 int64_t pos = avio_tell(pb);
151 avio_wb32(pb, 0); /* size */
152 ffio_wfourcc(pb, "stsc");
153 avio_wb32(pb, 0); // version & flags
154 entryPos = avio_tell(pb);
155 avio_wb32(pb, track->entry); // entry count
156 for (i=0; i<track->entry; i++) {
157 if (oldval != track->cluster[i].samples_in_chunk)
159 avio_wb32(pb, i+1); // first chunk
160 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
161 avio_wb32(pb, 0x1); // sample description index
162 oldval = track->cluster[i].samples_in_chunk;
166 curpos = avio_tell(pb);
167 avio_seek(pb, entryPos, SEEK_SET);
168 avio_wb32(pb, index); // rewrite size
169 avio_seek(pb, curpos, SEEK_SET);
171 return update_size(pb, pos);
174 /* Sync sample atom */
175 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
177 int64_t curpos, entryPos;
179 int64_t pos = avio_tell(pb);
180 avio_wb32(pb, 0); // size
181 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
182 avio_wb32(pb, 0); // version & flags
183 entryPos = avio_tell(pb);
184 avio_wb32(pb, track->entry); // entry count
185 for (i=0; i<track->entry; i++) {
186 if (track->cluster[i].flags & flag) {
191 curpos = avio_tell(pb);
192 avio_seek(pb, entryPos, SEEK_SET);
193 avio_wb32(pb, index); // rewrite size
194 avio_seek(pb, curpos, SEEK_SET);
195 return update_size(pb, pos);
198 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
200 avio_wb32(pb, 0x11); /* size */
201 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
202 else ffio_wfourcc(pb, "damr");
203 ffio_wfourcc(pb, "FFMP");
204 avio_w8(pb, 0); /* decoder version */
206 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
207 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
208 avio_w8(pb, 0x01); /* Frames per sample */
212 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
217 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
219 if (track->vos_len < 7)
223 ffio_wfourcc(pb, "dac3");
225 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
226 fscod = get_bits(&gbc, 2);
227 frmsizecod = get_bits(&gbc, 6);
228 bsid = get_bits(&gbc, 5);
229 bsmod = get_bits(&gbc, 3);
230 acmod = get_bits(&gbc, 3);
232 skip_bits(&gbc, 2); // dsurmod
234 if ((acmod & 1) && acmod != 1)
235 skip_bits(&gbc, 2); // cmixlev
237 skip_bits(&gbc, 2); // surmixlev
239 lfeon = get_bits1(&gbc);
241 init_put_bits(&pbc, buf, sizeof(buf));
242 put_bits(&pbc, 2, fscod);
243 put_bits(&pbc, 5, bsid);
244 put_bits(&pbc, 3, bsmod);
245 put_bits(&pbc, 3, acmod);
246 put_bits(&pbc, 1, lfeon);
247 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
248 put_bits(&pbc, 5, 0); // reserved
250 flush_put_bits(&pbc);
251 avio_write(pb, buf, sizeof(buf));
257 * This function writes extradata "as is".
258 * Extradata must be formatted like a valid atom (with size and tag).
260 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
262 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
263 return track->enc->extradata_size;
266 static int mov_write_enda_tag(AVIOContext *pb)
269 ffio_wfourcc(pb, "enda");
270 avio_wb16(pb, 1); /* little endian */
274 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
279 avio_w8(pb, (size>>(7*i)) | 0x80);
280 avio_w8(pb, size & 0x7F);
283 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
285 int64_t pos = avio_tell(pb);
286 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
288 avio_wb32(pb, 0); // size
289 ffio_wfourcc(pb, "esds");
290 avio_wb32(pb, 0); // Version
293 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
294 avio_wb16(pb, track->track_id);
295 avio_w8(pb, 0x00); // flags (= no flags)
297 // DecoderConfig descriptor
298 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
300 // Object type indication
301 if ((track->enc->codec_id == CODEC_ID_MP2 ||
302 track->enc->codec_id == CODEC_ID_MP3) &&
303 track->enc->sample_rate > 24000)
304 avio_w8(pb, 0x6B); // 11172-3
306 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
308 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
309 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
310 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
311 avio_w8(pb, 0x15); // flags (= Audiostream)
313 avio_w8(pb, 0x11); // flags (= Visualstream)
315 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
316 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
318 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
319 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
320 avio_wb32(pb, 0); // vbr
322 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
324 if (track->vos_len) {
325 // DecoderSpecific info descriptor
326 put_descr(pb, 0x05, track->vos_len);
327 avio_write(pb, track->vos_data, track->vos_len);
331 put_descr(pb, 0x06, 1);
333 return update_size(pb, pos);
336 static int mov_pcm_le_gt16(enum CodecID codec_id)
338 return codec_id == CODEC_ID_PCM_S24LE ||
339 codec_id == CODEC_ID_PCM_S32LE ||
340 codec_id == CODEC_ID_PCM_F32LE ||
341 codec_id == CODEC_ID_PCM_F64LE;
344 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
346 int64_t pos = avio_tell(pb);
348 avio_wl32(pb, track->tag); // store it byteswapped
349 track->enc->codec_tag = av_bswap16(track->tag >> 16);
350 ff_put_wav_header(pb, track->enc);
351 return update_size(pb, pos);
354 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
356 int64_t pos = avio_tell(pb);
358 ffio_wfourcc(pb, "wfex");
359 ff_put_wav_header(pb, track->enc);
360 return update_size(pb, pos);
363 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
365 uint32_t layout_tag, bitmap;
366 int64_t pos = avio_tell(pb);
368 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
369 track->enc->channel_layout,
372 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
373 "lack of channel information\n");
377 avio_wb32(pb, 0); // Size
378 ffio_wfourcc(pb, "chan"); // Type
379 avio_w8(pb, 0); // Version
380 avio_wb24(pb, 0); // Flags
381 avio_wb32(pb, layout_tag); // mChannelLayoutTag
382 avio_wb32(pb, bitmap); // mChannelBitmap
383 avio_wb32(pb, 0); // mNumberChannelDescriptions
385 return update_size(pb, pos);
388 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
390 int64_t pos = avio_tell(pb);
392 avio_wb32(pb, 0); /* size */
393 ffio_wfourcc(pb, "wave");
395 avio_wb32(pb, 12); /* size */
396 ffio_wfourcc(pb, "frma");
397 avio_wl32(pb, track->tag);
399 if (track->enc->codec_id == CODEC_ID_AAC) {
400 /* useless atom needed by mplayer, ipod, not needed by quicktime */
401 avio_wb32(pb, 12); /* size */
402 ffio_wfourcc(pb, "mp4a");
404 mov_write_esds_tag(pb, track);
405 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
406 mov_write_enda_tag(pb);
407 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
408 mov_write_amr_tag(pb, track);
409 } else if (track->enc->codec_id == CODEC_ID_AC3) {
410 mov_write_chan_tag(pb, track);
411 mov_write_ac3_tag(pb, track);
412 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
413 mov_write_extradata_tag(pb, track);
414 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
415 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
416 mov_write_ms_tag(pb, track);
419 avio_wb32(pb, 8); /* size */
420 avio_wb32(pb, 0); /* null tag */
422 return update_size(pb, pos);
425 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
428 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
429 int unescaped_size, seq_found = 0;
430 int level = 0, interlace = 0;
431 int packet_seq = track->vc1_info.packet_seq;
432 int packet_entry = track->vc1_info.packet_entry;
433 int slices = track->vc1_info.slices;
436 if (track->start_dts == AV_NOPTS_VALUE) {
437 /* No packets written yet, vc1_info isn't authoritative yet. */
438 /* Assume inline sequence and entry headers. This will be
439 * overwritten at the end if the file is seekable. */
440 packet_seq = packet_entry = 1;
443 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
445 return AVERROR(ENOMEM);
446 start = find_next_marker(track->vos_data, end);
447 for (next = start; next < end; start = next) {
450 next = find_next_marker(start + 4, end);
451 size = next - start - 4;
454 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
455 init_get_bits(&gb, unescaped, 8 * unescaped_size);
456 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
457 int profile = get_bits(&gb, 2);
458 if (profile != PROFILE_ADVANCED) {
460 return AVERROR(ENOSYS);
463 level = get_bits(&gb, 3);
464 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
466 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
467 skip_bits(&gb, 1); /* broadcast */
468 interlace = get_bits1(&gb);
469 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
474 return AVERROR(ENOSYS);
477 init_put_bits(&pbc, buf, 7);
478 /* VC1DecSpecStruc */
479 put_bits(&pbc, 4, 12); /* profile - advanced */
480 put_bits(&pbc, 3, level);
481 put_bits(&pbc, 1, 0); /* reserved */
482 /* VC1AdvDecSpecStruc */
483 put_bits(&pbc, 3, level);
484 put_bits(&pbc, 1, 0); /* cbr */
485 put_bits(&pbc, 6, 0); /* reserved */
486 put_bits(&pbc, 1, !interlace); /* no interlace */
487 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
488 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
489 put_bits(&pbc, 1, !slices); /* no slice code */
490 put_bits(&pbc, 1, 0); /* no bframe */
491 put_bits(&pbc, 1, 0); /* reserved */
492 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
493 flush_put_bits(&pbc);
500 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
502 uint8_t buf[7] = { 0 };
505 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
508 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
509 ffio_wfourcc(pb, "dvc1");
510 track->vc1_info.struct_offset = avio_tell(pb);
511 avio_write(pb, buf, sizeof(buf));
512 avio_write(pb, track->vos_data, track->vos_len);
517 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
519 avio_wb32(pb, track->vos_len + 8);
520 ffio_wfourcc(pb, "glbl");
521 avio_write(pb, track->vos_data, track->vos_len);
522 return 8 + track->vos_len;
526 * Compute flags for 'lpcm' tag.
527 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
529 static int mov_get_lpcm_flags(enum CodecID codec_id)
532 case CODEC_ID_PCM_F32BE:
533 case CODEC_ID_PCM_F64BE:
535 case CODEC_ID_PCM_F32LE:
536 case CODEC_ID_PCM_F64LE:
538 case CODEC_ID_PCM_U8:
540 case CODEC_ID_PCM_S16BE:
541 case CODEC_ID_PCM_S24BE:
542 case CODEC_ID_PCM_S32BE:
544 case CODEC_ID_PCM_S8:
545 case CODEC_ID_PCM_S16LE:
546 case CODEC_ID_PCM_S24LE:
547 case CODEC_ID_PCM_S32LE:
554 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
556 int64_t pos = avio_tell(pb);
558 uint32_t tag = track->tag;
560 if (track->mode == MODE_MOV) {
561 if (mov_get_lpcm_flags(track->enc->codec_id))
562 tag = AV_RL32("lpcm");
566 avio_wb32(pb, 0); /* size */
567 avio_wl32(pb, tag); // store it byteswapped
568 avio_wb32(pb, 0); /* Reserved */
569 avio_wb16(pb, 0); /* Reserved */
570 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
572 /* SoundDescription */
573 avio_wb16(pb, version); /* Version */
574 avio_wb16(pb, 0); /* Revision level */
575 avio_wb32(pb, 0); /* Reserved */
580 avio_wb16(pb, 0xfffe);
582 avio_wb32(pb, 0x00010000);
584 avio_wb64(pb, av_double2int(track->enc->sample_rate));
585 avio_wb32(pb, track->enc->channels);
586 avio_wb32(pb, 0x7F000000);
587 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
588 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
589 avio_wb32(pb, track->sample_size);
590 avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
592 /* reserved for mp4/3gp */
597 avio_wb16(pb, 0); /* packet size (= 0) */
598 avio_wb16(pb, track->enc->sample_rate);
599 avio_wb16(pb, 0); /* Reserved */
602 if(track->mode == MODE_MOV &&
603 (track->enc->codec_id == CODEC_ID_AAC ||
604 track->enc->codec_id == CODEC_ID_AC3 ||
605 track->enc->codec_id == CODEC_ID_AMR_NB ||
606 track->enc->codec_id == CODEC_ID_ALAC ||
607 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
608 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
609 mov_pcm_le_gt16(track->enc->codec_id)))
610 mov_write_wave_tag(pb, track);
611 else if(track->tag == MKTAG('m','p','4','a'))
612 mov_write_esds_tag(pb, track);
613 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
614 mov_write_amr_tag(pb, track);
615 else if(track->enc->codec_id == CODEC_ID_AC3)
616 mov_write_ac3_tag(pb, track);
617 else if(track->enc->codec_id == CODEC_ID_ALAC)
618 mov_write_extradata_tag(pb, track);
619 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
620 mov_write_wfex_tag(pb, track);
621 else if (track->vos_len > 0)
622 mov_write_glbl_tag(pb, track);
624 return update_size(pb, pos);
627 static int mov_write_d263_tag(AVIOContext *pb)
629 avio_wb32(pb, 0xf); /* size */
630 ffio_wfourcc(pb, "d263");
631 ffio_wfourcc(pb, "FFMP");
632 avio_w8(pb, 0); /* decoder version */
633 /* FIXME use AVCodecContext level/profile, when encoder will set values */
634 avio_w8(pb, 0xa); /* level */
635 avio_w8(pb, 0); /* profile */
639 /* TODO: No idea about these values */
640 static int mov_write_svq3_tag(AVIOContext *pb)
643 ffio_wfourcc(pb, "SMI ");
644 ffio_wfourcc(pb, "SEQH");
646 avio_wb32(pb, 0xe2c0211d);
647 avio_wb32(pb, 0xc0000000);
652 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
654 int64_t pos = avio_tell(pb);
657 ffio_wfourcc(pb, "avcC");
658 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
659 return update_size(pb, pos);
662 /* also used by all avid codecs (dv, imx, meridien) and their variants */
663 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
666 avio_wb32(pb, 24); /* size */
667 ffio_wfourcc(pb, "ACLR");
668 ffio_wfourcc(pb, "ACLR");
669 ffio_wfourcc(pb, "0001");
670 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
671 avio_wb32(pb, 0); /* unknown */
673 avio_wb32(pb, 24); /* size */
674 ffio_wfourcc(pb, "APRG");
675 ffio_wfourcc(pb, "APRG");
676 ffio_wfourcc(pb, "0001");
677 avio_wb32(pb, 1); /* unknown */
678 avio_wb32(pb, 0); /* unknown */
680 avio_wb32(pb, 120); /* size */
681 ffio_wfourcc(pb, "ARES");
682 ffio_wfourcc(pb, "ARES");
683 ffio_wfourcc(pb, "0001");
684 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
685 avio_wb32(pb, track->enc->width);
686 /* values below are based on samples created with quicktime and avid codecs */
687 if (track->vos_data[5] & 2) { // interlaced
688 avio_wb32(pb, track->enc->height/2);
689 avio_wb32(pb, 2); /* unknown */
690 avio_wb32(pb, 0); /* unknown */
691 avio_wb32(pb, 4); /* unknown */
693 avio_wb32(pb, track->enc->height);
694 avio_wb32(pb, 1); /* unknown */
695 avio_wb32(pb, 0); /* unknown */
696 if (track->enc->height == 1080)
697 avio_wb32(pb, 5); /* unknown */
699 avio_wb32(pb, 6); /* unknown */
702 for (i = 0; i < 10; i++)
705 /* extra padding for stsd needed */
710 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
712 int tag = track->enc->codec_tag;
714 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
717 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
718 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
719 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
720 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
721 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
722 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
723 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
728 static const AVCodecTag codec_ipod_tags[] = {
729 { CODEC_ID_H264, MKTAG('a','v','c','1') },
730 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
731 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
732 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
733 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
734 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
735 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
736 { CODEC_ID_NONE, 0 },
739 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
741 int tag = track->enc->codec_tag;
743 // keep original tag for subs, ipod supports both formats
744 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
745 (tag == MKTAG('t','x','3','g') ||
746 tag == MKTAG('t','e','x','t'))))
747 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
749 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
750 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
751 "Quicktime/Ipod might not play the file\n");
756 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
760 if (track->enc->width == 720) /* SD */
761 if (track->enc->height == 480) /* NTSC */
762 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
763 else tag = MKTAG('d','v','c',' ');
764 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
765 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
766 else tag = MKTAG('d','v','p','p');
767 else if (track->enc->height == 720) /* HD 720 line */
768 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
769 else tag = MKTAG('d','v','h','p');
770 else if (track->enc->height == 1080) /* HD 1080 line */
771 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
772 else tag = MKTAG('d','v','h','6');
774 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
781 static const struct {
782 enum PixelFormat pix_fmt;
785 } mov_pix_fmt_tags[] = {
786 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
787 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
788 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
789 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
790 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
791 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
792 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
793 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
794 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
795 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
796 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
797 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
798 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
799 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
802 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
804 int tag = track->enc->codec_tag;
807 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
808 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
809 tag = mov_pix_fmt_tags[i].tag;
810 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
818 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
820 int tag = track->enc->codec_tag;
822 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
823 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
824 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
825 track->enc->codec_id == CODEC_ID_H263 ||
826 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
827 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
828 tag = mov_get_dv_codec_tag(s, track);
829 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
830 tag = mov_get_rawvideo_codec_tag(s, track);
831 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
832 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
833 if (!tag) { // if no mac fcc found, try with Microsoft tags
834 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
836 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
837 "the file may be unplayable!\n");
839 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
840 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
841 if (!tag) { // if no mac fcc found, try with Microsoft tags
842 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
844 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
845 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
846 "the file may be unplayable!\n");
849 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
850 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
856 static const AVCodecTag codec_3gp_tags[] = {
857 { CODEC_ID_H263, MKTAG('s','2','6','3') },
858 { CODEC_ID_H264, MKTAG('a','v','c','1') },
859 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
860 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
861 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
862 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
863 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
864 { CODEC_ID_NONE, 0 },
867 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
869 int tag = track->enc->codec_tag;
871 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
872 tag = mp4_get_codec_tag(s, track);
873 else if (track->mode == MODE_ISM) {
874 tag = mp4_get_codec_tag(s, track);
875 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
876 tag = MKTAG('w', 'm', 'a', ' ');
877 } else if (track->mode == MODE_IPOD)
878 tag = ipod_get_codec_tag(s, track);
879 else if (track->mode & MODE_3GP)
880 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
882 tag = mov_get_codec_tag(s, track);
888 * Needed to make file play in iPods running newest firmware
889 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
891 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
894 ffio_wfourcc(pb, "uuid");
895 avio_wb32(pb, 0x6b6840f2);
896 avio_wb32(pb, 0x5f244fc5);
897 avio_wb32(pb, 0xba39a51b);
898 avio_wb32(pb, 0xcf0323f3);
903 static const uint16_t fiel_data[] = {
904 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
907 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
909 unsigned mov_field_order = 0;
910 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
911 mov_field_order = fiel_data[track->enc->field_order];
915 ffio_wfourcc(pb, "fiel");
916 avio_wb16(pb, mov_field_order);
920 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
922 int64_t pos = avio_tell(pb);
923 avio_wb32(pb, 0); /* size */
924 avio_wl32(pb, track->tag); // store it byteswapped
925 avio_wb32(pb, 0); /* Reserved */
926 avio_wb16(pb, 0); /* Reserved */
927 avio_wb16(pb, 1); /* Data-reference index */
929 if (track->enc->extradata_size)
930 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
932 return update_size(pb, pos);
935 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
938 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
939 track->enc->sample_aspect_ratio.den, INT_MAX);
942 ffio_wfourcc(pb, "pasp");
943 avio_wb32(pb, sar.num);
944 avio_wb32(pb, sar.den);
948 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
950 int64_t pos = avio_tell(pb);
951 char compressor_name[32];
953 avio_wb32(pb, 0); /* size */
954 avio_wl32(pb, track->tag); // store it byteswapped
955 avio_wb32(pb, 0); /* Reserved */
956 avio_wb16(pb, 0); /* Reserved */
957 avio_wb16(pb, 1); /* Data-reference index */
959 avio_wb16(pb, 0); /* Codec stream version */
960 avio_wb16(pb, 0); /* Codec stream revision (=0) */
961 if (track->mode == MODE_MOV) {
962 ffio_wfourcc(pb, "FFMP"); /* Vendor */
963 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
964 avio_wb32(pb, 0); /* Temporal Quality */
965 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
967 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
968 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
971 avio_wb32(pb, 0); /* Reserved */
972 avio_wb32(pb, 0); /* Reserved */
973 avio_wb32(pb, 0); /* Reserved */
975 avio_wb16(pb, track->enc->width); /* Video width */
976 avio_wb16(pb, track->height); /* Video height */
977 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
978 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
979 avio_wb32(pb, 0); /* Data size (= 0) */
980 avio_wb16(pb, 1); /* Frame count (= 1) */
982 memset(compressor_name,0,32);
983 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
984 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
985 av_strlcpy(compressor_name,track->enc->codec->name,32);
986 avio_w8(pb, strlen(compressor_name));
987 avio_write(pb, compressor_name, 31);
989 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
990 avio_wb16(pb, track->enc->bits_per_coded_sample);
992 avio_wb16(pb, 0x18); /* Reserved */
993 avio_wb16(pb, 0xffff); /* Reserved */
994 if(track->tag == MKTAG('m','p','4','v'))
995 mov_write_esds_tag(pb, track);
996 else if(track->enc->codec_id == CODEC_ID_H263)
997 mov_write_d263_tag(pb);
998 else if(track->enc->codec_id == CODEC_ID_SVQ3)
999 mov_write_svq3_tag(pb);
1000 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1001 mov_write_avid_tag(pb, track);
1002 else if(track->enc->codec_id == CODEC_ID_H264) {
1003 mov_write_avcc_tag(pb, track);
1004 if(track->mode == MODE_IPOD)
1005 mov_write_uuid_tag_ipod(pb);
1006 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1007 mov_write_fiel_tag(pb, track);
1008 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1009 mov_write_dvc1_tag(pb, track);
1010 else if (track->vos_len > 0)
1011 mov_write_glbl_tag(pb, track);
1013 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1014 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1015 mov_write_pasp_tag(pb, track);
1018 return update_size(pb, pos);
1021 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1023 int64_t pos = avio_tell(pb);
1024 avio_wb32(pb, 0); /* size */
1025 ffio_wfourcc(pb, "rtp ");
1026 avio_wb32(pb, 0); /* Reserved */
1027 avio_wb16(pb, 0); /* Reserved */
1028 avio_wb16(pb, 1); /* Data-reference index */
1030 avio_wb16(pb, 1); /* Hint track version */
1031 avio_wb16(pb, 1); /* Highest compatible version */
1032 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1034 avio_wb32(pb, 12); /* size */
1035 ffio_wfourcc(pb, "tims");
1036 avio_wb32(pb, track->timescale);
1038 return update_size(pb, pos);
1041 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1043 int64_t pos = avio_tell(pb);
1044 avio_wb32(pb, 0); /* size */
1045 ffio_wfourcc(pb, "stsd");
1046 avio_wb32(pb, 0); /* version & flags */
1047 avio_wb32(pb, 1); /* entry count */
1048 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1049 mov_write_video_tag(pb, track);
1050 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1051 mov_write_audio_tag(pb, track);
1052 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1053 mov_write_subtitle_tag(pb, track);
1054 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1055 mov_write_rtp_tag(pb, track);
1056 return update_size(pb, pos);
1059 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1061 MOVStts *ctts_entries;
1062 uint32_t entries = 0;
1066 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1067 ctts_entries[0].count = 1;
1068 ctts_entries[0].duration = track->cluster[0].cts;
1069 for (i=1; i<track->entry; i++) {
1070 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1071 ctts_entries[entries].count++; /* compress */
1074 ctts_entries[entries].duration = track->cluster[i].cts;
1075 ctts_entries[entries].count = 1;
1078 entries++; /* last one */
1079 atom_size = 16 + (entries * 8);
1080 avio_wb32(pb, atom_size); /* size */
1081 ffio_wfourcc(pb, "ctts");
1082 avio_wb32(pb, 0); /* version & flags */
1083 avio_wb32(pb, entries); /* entry count */
1084 for (i=0; i<entries; i++) {
1085 avio_wb32(pb, ctts_entries[i].count);
1086 avio_wb32(pb, ctts_entries[i].duration);
1088 av_free(ctts_entries);
1092 /* Time to sample atom */
1093 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1095 MOVStts *stts_entries;
1096 uint32_t entries = -1;
1100 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1101 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1102 stts_entries[0].count = track->sample_count;
1103 stts_entries[0].duration = 1;
1106 stts_entries = track->entry ?
1107 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1109 for (i=0; i<track->entry; i++) {
1110 int64_t duration = i + 1 == track->entry ?
1111 track->track_duration - track->cluster[i].dts + track->start_dts : /* readjusting */
1112 track->cluster[i+1].dts - track->cluster[i].dts;
1113 if (i && duration == stts_entries[entries].duration) {
1114 stts_entries[entries].count++; /* compress */
1117 stts_entries[entries].duration = duration;
1118 stts_entries[entries].count = 1;
1121 entries++; /* last one */
1123 atom_size = 16 + (entries * 8);
1124 avio_wb32(pb, atom_size); /* size */
1125 ffio_wfourcc(pb, "stts");
1126 avio_wb32(pb, 0); /* version & flags */
1127 avio_wb32(pb, entries); /* entry count */
1128 for (i=0; i<entries; i++) {
1129 avio_wb32(pb, stts_entries[i].count);
1130 avio_wb32(pb, stts_entries[i].duration);
1132 av_free(stts_entries);
1136 static int mov_write_dref_tag(AVIOContext *pb)
1138 avio_wb32(pb, 28); /* size */
1139 ffio_wfourcc(pb, "dref");
1140 avio_wb32(pb, 0); /* version & flags */
1141 avio_wb32(pb, 1); /* entry count */
1143 avio_wb32(pb, 0xc); /* size */
1144 ffio_wfourcc(pb, "url ");
1145 avio_wb32(pb, 1); /* version & flags */
1150 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1152 int64_t pos = avio_tell(pb);
1153 avio_wb32(pb, 0); /* size */
1154 ffio_wfourcc(pb, "stbl");
1155 mov_write_stsd_tag(pb, track);
1156 mov_write_stts_tag(pb, track);
1157 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1158 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1159 track->has_keyframes && track->has_keyframes < track->entry)
1160 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1161 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1162 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1163 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1164 track->flags & MOV_TRACK_CTTS)
1165 mov_write_ctts_tag(pb, track);
1166 mov_write_stsc_tag(pb, track);
1167 mov_write_stsz_tag(pb, track);
1168 mov_write_stco_tag(pb, track);
1169 return update_size(pb, pos);
1172 static int mov_write_dinf_tag(AVIOContext *pb)
1174 int64_t pos = avio_tell(pb);
1175 avio_wb32(pb, 0); /* size */
1176 ffio_wfourcc(pb, "dinf");
1177 mov_write_dref_tag(pb);
1178 return update_size(pb, pos);
1181 static int mov_write_nmhd_tag(AVIOContext *pb)
1184 ffio_wfourcc(pb, "nmhd");
1189 static int mov_write_gmhd_tag(AVIOContext *pb)
1191 avio_wb32(pb, 0x20); /* size */
1192 ffio_wfourcc(pb, "gmhd");
1193 avio_wb32(pb, 0x18); /* gmin size */
1194 ffio_wfourcc(pb, "gmin");/* generic media info */
1195 avio_wb32(pb, 0); /* version & flags */
1196 avio_wb16(pb, 0x40); /* graphics mode = */
1197 avio_wb16(pb, 0x8000); /* opColor (r?) */
1198 avio_wb16(pb, 0x8000); /* opColor (g?) */
1199 avio_wb16(pb, 0x8000); /* opColor (b?) */
1200 avio_wb16(pb, 0); /* balance */
1201 avio_wb16(pb, 0); /* reserved */
1205 static int mov_write_smhd_tag(AVIOContext *pb)
1207 avio_wb32(pb, 16); /* size */
1208 ffio_wfourcc(pb, "smhd");
1209 avio_wb32(pb, 0); /* version & flags */
1210 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1211 avio_wb16(pb, 0); /* reserved */
1215 static int mov_write_vmhd_tag(AVIOContext *pb)
1217 avio_wb32(pb, 0x14); /* size (always 0x14) */
1218 ffio_wfourcc(pb, "vmhd");
1219 avio_wb32(pb, 0x01); /* version & flags */
1220 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1224 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1226 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1227 int64_t pos = avio_tell(pb);
1229 if (!track) { /* no media --> data handler */
1232 descr = "DataHandler";
1234 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1235 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1237 descr = "VideoHandler";
1238 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1240 descr = "SoundHandler";
1241 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1242 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1243 else hdlr_type = "text";
1244 descr = "SubtitleHandler";
1245 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1247 descr = "HintHandler";
1251 avio_wb32(pb, 0); /* size */
1252 ffio_wfourcc(pb, "hdlr");
1253 avio_wb32(pb, 0); /* Version & flags */
1254 avio_write(pb, hdlr, 4); /* handler */
1255 ffio_wfourcc(pb, hdlr_type); /* handler type */
1256 avio_wb32(pb ,0); /* reserved */
1257 avio_wb32(pb ,0); /* reserved */
1258 avio_wb32(pb ,0); /* reserved */
1259 if (!track || track->mode == MODE_MOV)
1260 avio_w8(pb, strlen(descr)); /* pascal string */
1261 avio_write(pb, descr, strlen(descr)); /* handler description */
1262 if (track && track->mode != MODE_MOV)
1263 avio_w8(pb, 0); /* c string */
1264 return update_size(pb, pos);
1267 static int mov_write_hmhd_tag(AVIOContext *pb)
1269 /* This atom must be present, but leaving the values at zero
1270 * seems harmless. */
1271 avio_wb32(pb, 28); /* size */
1272 ffio_wfourcc(pb, "hmhd");
1273 avio_wb32(pb, 0); /* version, flags */
1274 avio_wb16(pb, 0); /* maxPDUsize */
1275 avio_wb16(pb, 0); /* avgPDUsize */
1276 avio_wb32(pb, 0); /* maxbitrate */
1277 avio_wb32(pb, 0); /* avgbitrate */
1278 avio_wb32(pb, 0); /* reserved */
1282 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1284 int64_t pos = avio_tell(pb);
1285 avio_wb32(pb, 0); /* size */
1286 ffio_wfourcc(pb, "minf");
1287 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1288 mov_write_vmhd_tag(pb);
1289 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1290 mov_write_smhd_tag(pb);
1291 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1292 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1293 else mov_write_nmhd_tag(pb);
1294 } else if (track->tag == MKTAG('r','t','p',' ')) {
1295 mov_write_hmhd_tag(pb);
1297 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1298 mov_write_hdlr_tag(pb, NULL);
1299 mov_write_dinf_tag(pb);
1300 mov_write_stbl_tag(pb, track);
1301 return update_size(pb, pos);
1304 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1306 int version = track->track_duration < INT32_MAX ? 0 : 1;
1308 if (track->mode == MODE_ISM)
1311 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1312 ffio_wfourcc(pb, "mdhd");
1313 avio_w8(pb, version);
1314 avio_wb24(pb, 0); /* flags */
1316 avio_wb64(pb, track->time);
1317 avio_wb64(pb, track->time);
1319 avio_wb32(pb, track->time); /* creation time */
1320 avio_wb32(pb, track->time); /* modification time */
1322 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1324 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1326 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1327 avio_wb16(pb, track->language); /* language */
1328 avio_wb16(pb, 0); /* reserved (quality) */
1330 if(version!=0 && track->mode == MODE_MOV){
1331 av_log(NULL, AV_LOG_ERROR,
1332 "FATAL error, file duration too long for timebase, this file will not be\n"
1333 "playable with quicktime. Choose a different timebase or a different\n"
1334 "container format\n");
1340 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1342 int64_t pos = avio_tell(pb);
1343 avio_wb32(pb, 0); /* size */
1344 ffio_wfourcc(pb, "mdia");
1345 mov_write_mdhd_tag(pb, track);
1346 mov_write_hdlr_tag(pb, track);
1347 mov_write_minf_tag(pb, track);
1348 return update_size(pb, pos);
1351 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1353 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1354 track->timescale, AV_ROUND_UP);
1355 int version = duration < INT32_MAX ? 0 : 1;
1357 if (track->mode == MODE_ISM)
1360 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1361 ffio_wfourcc(pb, "tkhd");
1362 avio_w8(pb, version);
1363 avio_wb24(pb, 0xf); /* flags (track enabled) */
1365 avio_wb64(pb, track->time);
1366 avio_wb64(pb, track->time);
1368 avio_wb32(pb, track->time); /* creation time */
1369 avio_wb32(pb, track->time); /* modification time */
1371 avio_wb32(pb, track->track_id); /* track-id */
1372 avio_wb32(pb, 0); /* reserved */
1374 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1376 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1378 avio_wb32(pb, 0); /* reserved */
1379 avio_wb32(pb, 0); /* reserved */
1380 avio_wb16(pb, 0); /* layer */
1381 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1382 /* Volume, only for audio */
1383 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1384 avio_wb16(pb, 0x0100);
1387 avio_wb16(pb, 0); /* reserved */
1389 /* Matrix structure */
1390 avio_wb32(pb, 0x00010000); /* reserved */
1391 avio_wb32(pb, 0x0); /* reserved */
1392 avio_wb32(pb, 0x0); /* reserved */
1393 avio_wb32(pb, 0x0); /* reserved */
1394 avio_wb32(pb, 0x00010000); /* reserved */
1395 avio_wb32(pb, 0x0); /* reserved */
1396 avio_wb32(pb, 0x0); /* reserved */
1397 avio_wb32(pb, 0x0); /* reserved */
1398 avio_wb32(pb, 0x40000000); /* reserved */
1400 /* Track width and height, for visual only */
1401 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1402 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1403 if(track->mode == MODE_MOV) {
1404 avio_wb32(pb, track->enc->width << 16);
1405 avio_wb32(pb, track->height << 16);
1407 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1408 if(!sample_aspect_ratio || track->height != track->enc->height)
1409 sample_aspect_ratio = 1;
1410 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1411 avio_wb32(pb, track->height*0x10000);
1421 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1423 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1424 track->enc->sample_aspect_ratio.den);
1426 int64_t pos = avio_tell(pb);
1428 avio_wb32(pb, 0); /* size */
1429 ffio_wfourcc(pb, "tapt");
1432 ffio_wfourcc(pb, "clef");
1434 avio_wb32(pb, width << 16);
1435 avio_wb32(pb, track->enc->height << 16);
1438 ffio_wfourcc(pb, "enof");
1440 avio_wb32(pb, track->enc->width << 16);
1441 avio_wb32(pb, track->enc->height << 16);
1443 return update_size(pb, pos);
1446 // This box seems important for the psp playback ... without it the movie seems to hang
1447 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1449 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1450 track->timescale, AV_ROUND_UP);
1451 int version = duration < INT32_MAX ? 0 : 1;
1452 int entry_size, entry_count, size;
1453 int64_t delay, start_ct = track->cluster[0].cts;
1454 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1455 track->timescale, AV_ROUND_DOWN);
1456 version |= delay < INT32_MAX ? 0 : 1;
1458 entry_size = (version == 1) ? 20 : 12;
1459 entry_count = 1 + (delay > 0);
1460 size = 24 + entry_count * entry_size;
1462 /* write the atom data */
1463 avio_wb32(pb, size);
1464 ffio_wfourcc(pb, "edts");
1465 avio_wb32(pb, size - 8);
1466 ffio_wfourcc(pb, "elst");
1467 avio_w8(pb, version);
1468 avio_wb24(pb, 0); /* flags */
1470 avio_wb32(pb, entry_count);
1471 if (delay > 0) { /* add an empty edit to delay presentation */
1473 avio_wb64(pb, delay);
1476 avio_wb32(pb, delay);
1479 avio_wb32(pb, 0x00010000);
1484 avio_wb64(pb, duration);
1485 avio_wb64(pb, start_ct);
1487 avio_wb32(pb, duration);
1488 avio_wb32(pb, start_ct);
1490 avio_wb32(pb, 0x00010000);
1494 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1496 avio_wb32(pb, 20); // size
1497 ffio_wfourcc(pb, "tref");
1498 avio_wb32(pb, 12); // size (subatom)
1499 avio_wl32(pb, track->tref_tag);
1500 avio_wb32(pb, track->tref_id);
1504 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1505 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1507 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1508 ffio_wfourcc(pb, "uuid");
1509 ffio_wfourcc(pb, "USMT");
1510 avio_wb32(pb, 0x21d24fce);
1511 avio_wb32(pb, 0xbb88695c);
1512 avio_wb32(pb, 0xfac9c740);
1513 avio_wb32(pb, 0x1c); // another size here!
1514 ffio_wfourcc(pb, "MTDT");
1515 avio_wb32(pb, 0x00010012);
1516 avio_wb32(pb, 0x0a);
1517 avio_wb32(pb, 0x55c40000);
1523 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1525 char buf[1000] = "";
1528 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1529 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1532 avio_wb32(pb, len + 24);
1533 ffio_wfourcc(pb, "udta");
1534 avio_wb32(pb, len + 16);
1535 ffio_wfourcc(pb, "hnti");
1536 avio_wb32(pb, len + 8);
1537 ffio_wfourcc(pb, "sdp ");
1538 avio_write(pb, buf, len);
1542 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1543 MOVTrack *track, AVStream *st)
1545 int64_t pos = avio_tell(pb);
1546 avio_wb32(pb, 0); /* size */
1547 ffio_wfourcc(pb, "trak");
1548 mov_write_tkhd_tag(pb, track, st);
1549 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1550 (track->entry && track->cluster[0].dts)) {
1551 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1552 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1554 if (track->tref_tag)
1555 mov_write_tref_tag(pb, track);
1556 mov_write_mdia_tag(pb, track);
1557 if (track->mode == MODE_PSP)
1558 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1559 if (track->tag == MKTAG('r','t','p',' '))
1560 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1561 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1562 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1563 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1564 mov_write_tapt_tag(pb, track);
1566 return update_size(pb, pos);
1569 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1571 int i, has_audio = 0, has_video = 0;
1572 int64_t pos = avio_tell(pb);
1573 int audio_profile = mov->iods_audio_profile;
1574 int video_profile = mov->iods_video_profile;
1575 for (i = 0; i < mov->nb_streams; i++) {
1576 if(mov->tracks[i].entry > 0) {
1577 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1578 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1581 if (audio_profile < 0)
1582 audio_profile = 0xFF - has_audio;
1583 if (video_profile < 0)
1584 video_profile = 0xFF - has_video;
1585 avio_wb32(pb, 0x0); /* size */
1586 ffio_wfourcc(pb, "iods");
1587 avio_wb32(pb, 0); /* version & flags */
1588 put_descr(pb, 0x10, 7);
1589 avio_wb16(pb, 0x004f);
1592 avio_w8(pb, audio_profile);
1593 avio_w8(pb, video_profile);
1595 return update_size(pb, pos);
1598 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1600 avio_wb32(pb, 0x20); /* size */
1601 ffio_wfourcc(pb, "trex");
1602 avio_wb32(pb, 0); /* version & flags */
1603 avio_wb32(pb, track->track_id); /* track ID */
1604 avio_wb32(pb, 1); /* default sample description index */
1605 avio_wb32(pb, 0); /* default sample duration */
1606 avio_wb32(pb, 0); /* default sample size */
1607 avio_wb32(pb, 0); /* default sample flags */
1611 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1613 int64_t pos = avio_tell(pb);
1615 avio_wb32(pb, 0x0); /* size */
1616 ffio_wfourcc(pb, "mvex");
1617 for (i = 0; i < mov->nb_streams; i++)
1618 mov_write_trex_tag(pb, &mov->tracks[i]);
1619 return update_size(pb, pos);
1622 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1624 int max_track_id = 1, i;
1625 int64_t max_track_len_temp, max_track_len = 0;
1628 for (i=0; i<mov->nb_streams; i++) {
1629 if(mov->tracks[i].entry > 0) {
1630 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1632 mov->tracks[i].timescale,
1634 if (max_track_len < max_track_len_temp)
1635 max_track_len = max_track_len_temp;
1636 if (max_track_id < mov->tracks[i].track_id)
1637 max_track_id = mov->tracks[i].track_id;
1641 version = max_track_len < UINT32_MAX ? 0 : 1;
1642 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1643 ffio_wfourcc(pb, "mvhd");
1644 avio_w8(pb, version);
1645 avio_wb24(pb, 0); /* flags */
1647 avio_wb64(pb, mov->time);
1648 avio_wb64(pb, mov->time);
1650 avio_wb32(pb, mov->time); /* creation time */
1651 avio_wb32(pb, mov->time); /* modification time */
1653 avio_wb32(pb, MOV_TIMESCALE);
1654 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1656 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1657 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1658 avio_wb16(pb, 0); /* reserved */
1659 avio_wb32(pb, 0); /* reserved */
1660 avio_wb32(pb, 0); /* reserved */
1662 /* Matrix structure */
1663 avio_wb32(pb, 0x00010000); /* reserved */
1664 avio_wb32(pb, 0x0); /* reserved */
1665 avio_wb32(pb, 0x0); /* reserved */
1666 avio_wb32(pb, 0x0); /* reserved */
1667 avio_wb32(pb, 0x00010000); /* reserved */
1668 avio_wb32(pb, 0x0); /* reserved */
1669 avio_wb32(pb, 0x0); /* reserved */
1670 avio_wb32(pb, 0x0); /* reserved */
1671 avio_wb32(pb, 0x40000000); /* reserved */
1673 avio_wb32(pb, 0); /* reserved (preview time) */
1674 avio_wb32(pb, 0); /* reserved (preview duration) */
1675 avio_wb32(pb, 0); /* reserved (poster time) */
1676 avio_wb32(pb, 0); /* reserved (selection time) */
1677 avio_wb32(pb, 0); /* reserved (selection duration) */
1678 avio_wb32(pb, 0); /* reserved (current time) */
1679 avio_wb32(pb, max_track_id + 1); /* Next track id */
1683 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1686 avio_wb32(pb, 33); /* size */
1687 ffio_wfourcc(pb, "hdlr");
1690 ffio_wfourcc(pb, "mdir");
1691 ffio_wfourcc(pb, "appl");
1698 /* helper function to write a data tag with the specified string as data */
1699 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1702 int size = 16 + strlen(data);
1703 avio_wb32(pb, size); /* size */
1704 ffio_wfourcc(pb, "data");
1707 avio_write(pb, data, strlen(data));
1711 lang = ff_mov_iso639_to_lang("und", 1);
1712 avio_wb16(pb, strlen(data)); /* string length */
1713 avio_wb16(pb, lang);
1714 avio_write(pb, data, strlen(data));
1715 return strlen(data) + 4;
1719 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1721 if (value && value[0]) {
1722 int64_t pos = avio_tell(pb);
1723 avio_wb32(pb, 0); /* size */
1724 ffio_wfourcc(pb, name);
1725 mov_write_string_data_tag(pb, value, lang, long_style);
1726 size = update_size(pb, pos);
1731 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1732 const char *name, const char *tag,
1735 int l, lang = 0, len, len2;
1736 AVDictionaryEntry *t, *t2 = NULL;
1739 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1742 len = strlen(t->key);
1743 snprintf(tag2, sizeof(tag2), "%s-", tag);
1744 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1745 len2 = strlen(t2->key);
1746 if (len2 == len+4 && !strcmp(t->value, t2->value)
1747 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1752 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1755 /* iTunes track number */
1756 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1759 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1760 int size = 0, track = t ? atoi(t->value) : 0;
1762 avio_wb32(pb, 32); /* size */
1763 ffio_wfourcc(pb, "trkn");
1764 avio_wb32(pb, 24); /* size */
1765 ffio_wfourcc(pb, "data");
1766 avio_wb32(pb, 0); // 8 bytes empty
1768 avio_wb16(pb, 0); // empty
1769 avio_wb16(pb, track); // track number
1770 avio_wb16(pb, 0); // total track number
1771 avio_wb16(pb, 0); // empty
1777 /* iTunes meta data list */
1778 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1781 int64_t pos = avio_tell(pb);
1782 avio_wb32(pb, 0); /* size */
1783 ffio_wfourcc(pb, "ilst");
1784 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1785 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1786 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1787 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1788 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1789 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1790 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1791 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1792 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1793 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1794 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1795 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1796 mov_write_string_metadata(s, pb, "desc", "description",1);
1797 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1798 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1799 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1800 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1801 mov_write_trkn_tag(pb, mov, s);
1802 return update_size(pb, pos);
1805 /* iTunes meta data tag */
1806 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1810 int64_t pos = avio_tell(pb);
1811 avio_wb32(pb, 0); /* size */
1812 ffio_wfourcc(pb, "meta");
1814 mov_write_itunes_hdlr_tag(pb, mov, s);
1815 mov_write_ilst_tag(pb, mov, s);
1816 size = update_size(pb, pos);
1820 static int utf8len(const uint8_t *b)
1825 GET_UTF8(val, *b++, return -1;)
1831 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1835 GET_UTF8(val, *b++, return -1;)
1838 avio_wb16(pb, 0x00);
1842 static uint16_t language_code(const char *str)
1844 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1847 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1848 const char *tag, const char *str)
1850 int64_t pos = avio_tell(pb);
1851 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1852 if (!t || !utf8len(t->value))
1854 avio_wb32(pb, 0); /* size */
1855 ffio_wfourcc(pb, tag); /* type */
1856 avio_wb32(pb, 0); /* version + flags */
1857 if (!strcmp(tag, "yrrc"))
1858 avio_wb16(pb, atoi(t->value));
1860 avio_wb16(pb, language_code("eng")); /* language */
1861 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1862 if (!strcmp(tag, "albm") &&
1863 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1864 avio_w8(pb, atoi(t->value));
1866 return update_size(pb, pos);
1869 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1871 int64_t pos = avio_tell(pb);
1872 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1874 avio_wb32(pb, 0); // size
1875 ffio_wfourcc(pb, "chpl");
1876 avio_wb32(pb, 0x01000000); // version + flags
1877 avio_wb32(pb, 0); // unknown
1878 avio_w8(pb, nb_chapters);
1880 for (i = 0; i < nb_chapters; i++) {
1881 AVChapter *c = s->chapters[i];
1882 AVDictionaryEntry *t;
1883 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1885 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1886 int len = FFMIN(strlen(t->value), 255);
1888 avio_write(pb, t->value, len);
1892 return update_size(pb, pos);
1895 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1898 AVIOContext *pb_buf;
1902 for (i = 0; i < s->nb_streams; i++)
1903 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1907 ret = avio_open_dyn_buf(&pb_buf);
1911 if (mov->mode & MODE_3GP) {
1912 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1913 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1914 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1915 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1916 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1917 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1918 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1919 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1920 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1921 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1922 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1923 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1924 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1925 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1926 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1927 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1928 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1929 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1931 /* iTunes meta data */
1932 mov_write_meta_tag(pb_buf, mov, s);
1936 mov_write_chpl_tag(pb_buf, s);
1938 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1939 avio_wb32(pb, size+8);
1940 ffio_wfourcc(pb, "udta");
1941 avio_write(pb, buf, size);
1948 static void mov_write_psp_udta_tag(AVIOContext *pb,
1949 const char *str, const char *lang, int type)
1951 int len = utf8len(str)+1;
1954 avio_wb16(pb, len*2+10); /* size */
1955 avio_wb32(pb, type); /* type */
1956 avio_wb16(pb, language_code(lang)); /* language */
1957 avio_wb16(pb, 0x01); /* ? */
1958 ascii_to_wc(pb, str);
1961 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1963 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1967 pos = avio_tell(pb);
1968 avio_wb32(pb, 0); /* size placeholder*/
1969 ffio_wfourcc(pb, "uuid");
1970 ffio_wfourcc(pb, "USMT");
1971 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1972 avio_wb32(pb, 0xbb88695c);
1973 avio_wb32(pb, 0xfac9c740);
1975 pos2 = avio_tell(pb);
1976 avio_wb32(pb, 0); /* size placeholder*/
1977 ffio_wfourcc(pb, "MTDT");
1981 avio_wb16(pb, 0x0C); /* size */
1982 avio_wb32(pb, 0x0B); /* type */
1983 avio_wb16(pb, language_code("und")); /* language */
1984 avio_wb16(pb, 0x0); /* ? */
1985 avio_wb16(pb, 0x021C); /* data */
1987 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1988 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1989 // 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);
1990 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1992 update_size(pb, pos2);
1993 return update_size(pb, pos);
1999 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2003 int64_t pos = avio_tell(pb);
2004 avio_wb32(pb, 0); /* size placeholder*/
2005 ffio_wfourcc(pb, "moov");
2007 for (i=0; i<mov->nb_streams; i++) {
2008 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2011 mov->tracks[i].time = mov->time;
2012 mov->tracks[i].track_id = i+1;
2015 if (mov->chapter_track)
2016 for (i=0; i<s->nb_streams; i++) {
2017 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2018 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2020 for (i = 0; i < mov->nb_streams; i++) {
2021 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2022 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2023 mov->tracks[i].tref_id =
2024 mov->tracks[mov->tracks[i].src_track].track_id;
2028 mov_write_mvhd_tag(pb, mov);
2029 if (mov->mode != MODE_MOV && !mov->iods_skip)
2030 mov_write_iods_tag(pb, mov);
2031 for (i=0; i<mov->nb_streams; i++) {
2032 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2033 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2036 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2037 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2039 if (mov->mode == MODE_PSP)
2040 mov_write_uuidusmt_tag(pb, s);
2042 mov_write_udta_tag(pb, mov, s);
2044 return update_size(pb, pos);
2047 static void param_write_int(AVIOContext *pb, const char *name, int value)
2049 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2052 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2054 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2057 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2060 len = FFMIN(sizeof(buf)/2 - 1, len);
2061 ff_data_to_hex(buf, value, len, 0);
2063 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2066 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2068 uint16_t sps_size, pps_size, len;
2070 sps_size = AV_RB16(&enc->extradata[6]);
2071 if (11 + sps_size > enc->extradata_size)
2073 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2074 if (11 + sps_size + pps_size > enc->extradata_size)
2076 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2077 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2079 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2080 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2081 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2083 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2086 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2088 int64_t pos = avio_tell(pb);
2090 const uint8_t uuid[] = {
2091 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2092 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2096 ffio_wfourcc(pb, "uuid");
2097 avio_write(pb, uuid, sizeof(uuid));
2100 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2101 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2102 avio_printf(pb, "<head>\n");
2103 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2105 avio_printf(pb, "</head>\n");
2106 avio_printf(pb, "<body>\n");
2107 avio_printf(pb, "<switch>\n");
2108 for (i = 0; i < mov->nb_streams; i++) {
2109 MOVTrack *track = &mov->tracks[i];
2111 /* track->track_id is initialized in write_moov, and thus isn't known
2113 int track_id = i + 1;
2115 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2117 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2122 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2123 track->enc->bit_rate);
2124 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2125 param_write_int(pb, "trackID", track_id);
2126 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2127 if (track->enc->codec_id == CODEC_ID_H264 &&
2128 track->enc->extradata_size >= 11 &&
2129 track->enc->extradata[0] == 1) {
2130 write_h264_extradata(pb, track->enc);
2132 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2133 track->enc->extradata_size);
2135 if (track->enc->codec_id == CODEC_ID_H264) {
2136 param_write_string(pb, "FourCC", "H264");
2137 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2138 param_write_string(pb, "FourCC", "WVC1");
2140 param_write_int(pb, "MaxWidth", track->enc->width);
2141 param_write_int(pb, "MaxHeight", track->enc->height);
2142 param_write_int(pb, "DisplayWidth", track->enc->width);
2143 param_write_int(pb, "DisplayHeight", track->enc->height);
2145 if (track->enc->codec_id == CODEC_ID_AAC) {
2146 param_write_string(pb, "FourCC", "AACL");
2147 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2148 param_write_string(pb, "FourCC", "WMAP");
2150 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2151 track->enc->extradata_size);
2152 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2153 track->enc->codec_id));
2154 param_write_int(pb, "Channels", track->enc->channels);
2155 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2156 param_write_int(pb, "BitsPerSample", 16);
2157 param_write_int(pb, "PacketSize", track->enc->block_align ?
2158 track->enc->block_align : 4);
2160 avio_printf(pb, "</%s>\n", type);
2162 avio_printf(pb, "</switch>\n");
2163 avio_printf(pb, "</body>\n");
2164 avio_printf(pb, "</smil>\n");
2166 return update_size(pb, pos);
2169 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2172 ffio_wfourcc(pb, "mfhd");
2174 avio_wb32(pb, mov->fragments);
2178 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2179 int64_t moof_offset)
2181 int64_t pos = avio_tell(pb);
2182 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2183 MOV_TFHD_BASE_DATA_OFFSET;
2184 if (!track->entry) {
2185 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2187 flags |= MOV_TFHD_DEFAULT_FLAGS;
2190 /* Don't set a default sample size, the silverlight player refuses
2191 * to play files with that set. Don't set a default sample duration,
2192 * WMP freaks out if it is set. */
2193 if (track->mode == MODE_ISM)
2194 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2196 avio_wb32(pb, 0); /* size placeholder */
2197 ffio_wfourcc(pb, "tfhd");
2198 avio_w8(pb, 0); /* version */
2199 avio_wb24(pb, flags);
2201 avio_wb32(pb, track->track_id); /* track-id */
2202 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2203 avio_wb64(pb, moof_offset);
2204 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2205 track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
2206 avio_wb32(pb, track->default_duration);
2208 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2209 track->default_size = track->entry ? track->cluster[0].size : 1;
2210 avio_wb32(pb, track->default_size);
2212 track->default_size = -1;
2214 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2215 track->default_sample_flags =
2216 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2217 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2218 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2219 avio_wb32(pb, track->default_sample_flags);
2222 return update_size(pb, pos);
2225 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2227 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2228 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2231 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2233 int64_t pos = avio_tell(pb);
2234 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2237 for (i = 0; i < track->entry; i++) {
2238 int64_t duration = i + 1 == track->entry ?
2239 track->track_duration - track->cluster[i].dts + track->start_dts :
2240 track->cluster[i + 1].dts - track->cluster[i].dts;
2241 if (duration != track->default_duration)
2242 flags |= MOV_TRUN_SAMPLE_DURATION;
2243 if (track->cluster[i].size != track->default_size)
2244 flags |= MOV_TRUN_SAMPLE_SIZE;
2245 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2246 flags |= MOV_TRUN_SAMPLE_FLAGS;
2248 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2249 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2250 if (track->flags & MOV_TRACK_CTTS)
2251 flags |= MOV_TRUN_SAMPLE_CTS;
2253 avio_wb32(pb, 0); /* size placeholder */
2254 ffio_wfourcc(pb, "trun");
2255 avio_w8(pb, 0); /* version */
2256 avio_wb24(pb, flags);
2258 avio_wb32(pb, track->entry); /* sample count */
2259 track->moof_size_offset = avio_tell(pb);
2260 avio_wb32(pb, 0); /* data offset */
2261 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2262 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2264 for (i = 0; i < track->entry; i++) {
2265 int64_t duration = i + 1 == track->entry ?
2266 track->track_duration - track->cluster[i].dts + track->start_dts :
2267 track->cluster[i + 1].dts - track->cluster[i].dts;
2268 if (flags & MOV_TRUN_SAMPLE_DURATION)
2269 avio_wb32(pb, duration);
2270 if (flags & MOV_TRUN_SAMPLE_SIZE)
2271 avio_wb32(pb, track->cluster[i].size);
2272 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2273 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2274 if (flags & MOV_TRUN_SAMPLE_CTS)
2275 avio_wb32(pb, track->cluster[i].cts);
2278 return update_size(pb, pos);
2281 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2283 int64_t pos = avio_tell(pb);
2284 const uint8_t uuid[] = {
2285 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2286 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2289 avio_wb32(pb, 0); /* size placeholder */
2290 ffio_wfourcc(pb, "uuid");
2291 avio_write(pb, uuid, sizeof(uuid));
2294 avio_wb64(pb, track->frag_start);
2295 avio_wb64(pb, track->start_dts + track->track_duration -
2296 track->cluster[0].dts);
2298 return update_size(pb, pos);
2301 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2302 MOVTrack *track, int entry)
2304 int n = track->nb_frag_info - 1 - entry, i;
2305 int size = 8 + 16 + 4 + 1 + 16*n;
2306 const uint8_t uuid[] = {
2307 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2308 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2314 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2315 avio_wb32(pb, size);
2316 ffio_wfourcc(pb, "uuid");
2317 avio_write(pb, uuid, sizeof(uuid));
2321 for (i = 0; i < n; i++) {
2322 int index = entry + 1 + i;
2323 avio_wb64(pb, track->frag_info[index].time);
2324 avio_wb64(pb, track->frag_info[index].duration);
2326 if (n < mov->ism_lookahead) {
2327 int free_size = 16*(mov->ism_lookahead - n);
2328 avio_wb32(pb, free_size);
2329 ffio_wfourcc(pb, "free");
2330 for (i = 0; i < free_size - 8; i++)
2337 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2340 int64_t pos = avio_tell(pb);
2342 for (i = 0; i < mov->ism_lookahead; i++) {
2343 /* Update the tfrf tag for the last ism_lookahead fragments,
2344 * nb_frag_info - 1 is the next fragment to be written. */
2345 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2347 avio_seek(pb, pos, SEEK_SET);
2351 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2352 MOVTrack *track, int64_t moof_offset)
2354 int64_t pos = avio_tell(pb);
2355 avio_wb32(pb, 0); /* size placeholder */
2356 ffio_wfourcc(pb, "traf");
2358 mov_write_tfhd_tag(pb, track, moof_offset);
2359 mov_write_trun_tag(pb, track);
2360 if (mov->mode == MODE_ISM) {
2361 mov_write_tfxd_tag(pb, track);
2363 if (mov->ism_lookahead) {
2364 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2366 track->tfrf_offset = avio_tell(pb);
2367 avio_wb32(pb, 8 + size);
2368 ffio_wfourcc(pb, "free");
2369 for (i = 0; i < size; i++)
2374 return update_size(pb, pos);
2377 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2379 int64_t pos = avio_tell(pb), end;
2382 avio_wb32(pb, 0); /* size placeholder */
2383 ffio_wfourcc(pb, "moof");
2385 mov_write_mfhd_tag(pb, mov);
2386 for (i = 0; i < mov->nb_streams; i++) {
2387 MOVTrack *track = &mov->tracks[i];
2388 if (tracks >= 0 && i != tracks)
2392 mov_write_traf_tag(pb, mov, track, pos);
2395 end = avio_tell(pb);
2396 moof_size = end - pos;
2397 for (i = 0; i < mov->nb_streams; i++) {
2398 MOVTrack *track = &mov->tracks[i];
2399 if (tracks >= 0 && i != tracks)
2403 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2404 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2406 avio_seek(pb, end, SEEK_SET);
2408 return update_size(pb, pos);
2411 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2413 int64_t pos = avio_tell(pb);
2416 avio_wb32(pb, 0); /* size placeholder */
2417 ffio_wfourcc(pb, "tfra");
2418 avio_w8(pb, 1); /* version */
2421 avio_wb32(pb, track->track_id);
2422 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2423 avio_wb32(pb, track->nb_frag_info);
2424 for (i = 0; i < track->nb_frag_info; i++) {
2425 avio_wb64(pb, track->frag_info[i].time);
2426 avio_wb64(pb, track->frag_info[i].offset);
2427 avio_w8(pb, 1); /* traf number */
2428 avio_w8(pb, 1); /* trun number */
2429 avio_w8(pb, 1); /* sample number */
2432 return update_size(pb, pos);
2435 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2437 int64_t pos = avio_tell(pb);
2440 avio_wb32(pb, 0); /* size placeholder */
2441 ffio_wfourcc(pb, "mfra");
2442 /* An empty mfra atom is enough to indicate to the publishing point that
2443 * the stream has ended. */
2444 if (mov->flags & FF_MOV_FLAG_ISML)
2445 return update_size(pb, pos);
2447 for (i = 0; i < mov->nb_streams; i++) {
2448 MOVTrack *track = &mov->tracks[i];
2449 if (track->nb_frag_info)
2450 mov_write_tfra_tag(pb, track);
2454 ffio_wfourcc(pb, "mfro");
2455 avio_wb32(pb, 0); /* version + flags */
2456 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2458 return update_size(pb, pos);
2461 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2463 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2464 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2466 mov->mdat_pos = avio_tell(pb);
2467 avio_wb32(pb, 0); /* size placeholder*/
2468 ffio_wfourcc(pb, "mdat");
2472 /* TODO: This needs to be more general */
2473 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2475 MOVMuxContext *mov = s->priv_data;
2476 int64_t pos = avio_tell(pb);
2477 int has_h264 = 0, has_video = 0;
2481 for (i = 0; i < s->nb_streams; i++) {
2482 AVStream *st = s->streams[i];
2483 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2485 if (st->codec->codec_id == CODEC_ID_H264)
2489 avio_wb32(pb, 0); /* size */
2490 ffio_wfourcc(pb, "ftyp");
2492 if (mov->mode == MODE_3GP) {
2493 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2494 minor = has_h264 ? 0x100 : 0x200;
2495 } else if (mov->mode & MODE_3G2) {
2496 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2497 minor = has_h264 ? 0x20000 : 0x10000;
2498 }else if (mov->mode == MODE_PSP)
2499 ffio_wfourcc(pb, "MSNV");
2500 else if (mov->mode == MODE_MP4)
2501 ffio_wfourcc(pb, "isom");
2502 else if (mov->mode == MODE_IPOD)
2503 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2504 else if (mov->mode == MODE_ISM)
2505 ffio_wfourcc(pb, "isml");
2507 ffio_wfourcc(pb, "qt ");
2509 avio_wb32(pb, minor);
2511 if(mov->mode == MODE_MOV)
2512 ffio_wfourcc(pb, "qt ");
2513 else if (mov->mode == MODE_ISM) {
2514 ffio_wfourcc(pb, "piff");
2515 ffio_wfourcc(pb, "iso2");
2517 ffio_wfourcc(pb, "isom");
2518 ffio_wfourcc(pb, "iso2");
2520 ffio_wfourcc(pb, "avc1");
2523 if (mov->mode == MODE_3GP)
2524 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2525 else if (mov->mode & MODE_3G2)
2526 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2527 else if (mov->mode == MODE_PSP)
2528 ffio_wfourcc(pb, "MSNV");
2529 else if (mov->mode == MODE_MP4)
2530 ffio_wfourcc(pb, "mp41");
2531 return update_size(pb, pos);
2534 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2536 AVCodecContext *video_codec = s->streams[0]->codec;
2537 AVCodecContext *audio_codec = s->streams[1]->codec;
2538 int audio_rate = audio_codec->sample_rate;
2539 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2540 int audio_kbitrate = audio_codec->bit_rate / 1000;
2541 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2543 avio_wb32(pb, 0x94); /* size */
2544 ffio_wfourcc(pb, "uuid");
2545 ffio_wfourcc(pb, "PROF");
2547 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2548 avio_wb32(pb, 0xbb88695c);
2549 avio_wb32(pb, 0xfac9c740);
2551 avio_wb32(pb, 0x0); /* ? */
2552 avio_wb32(pb, 0x3); /* 3 sections ? */
2554 avio_wb32(pb, 0x14); /* size */
2555 ffio_wfourcc(pb, "FPRF");
2556 avio_wb32(pb, 0x0); /* ? */
2557 avio_wb32(pb, 0x0); /* ? */
2558 avio_wb32(pb, 0x0); /* ? */
2560 avio_wb32(pb, 0x2c); /* size */
2561 ffio_wfourcc(pb, "APRF");/* audio */
2563 avio_wb32(pb, 0x2); /* TrackID */
2564 ffio_wfourcc(pb, "mp4a");
2565 avio_wb32(pb, 0x20f);
2567 avio_wb32(pb, audio_kbitrate);
2568 avio_wb32(pb, audio_kbitrate);
2569 avio_wb32(pb, audio_rate);
2570 avio_wb32(pb, audio_codec->channels);
2572 avio_wb32(pb, 0x34); /* size */
2573 ffio_wfourcc(pb, "VPRF"); /* video */
2575 avio_wb32(pb, 0x1); /* TrackID */
2576 if (video_codec->codec_id == CODEC_ID_H264) {
2577 ffio_wfourcc(pb, "avc1");
2578 avio_wb16(pb, 0x014D);
2579 avio_wb16(pb, 0x0015);
2581 ffio_wfourcc(pb, "mp4v");
2582 avio_wb16(pb, 0x0000);
2583 avio_wb16(pb, 0x0103);
2586 avio_wb32(pb, video_kbitrate);
2587 avio_wb32(pb, video_kbitrate);
2588 avio_wb32(pb, frame_rate);
2589 avio_wb32(pb, frame_rate);
2590 avio_wb16(pb, video_codec->width);
2591 avio_wb16(pb, video_codec->height);
2592 avio_wb32(pb, 0x010001); /* ? */
2595 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2598 int i, closed_gop = 0;
2600 for (i = 0; i < pkt->size - 4; i++) {
2601 c = (c<<8) + pkt->data[i];
2602 if (c == 0x1b8) { // gop
2603 closed_gop = pkt->data[i+4]>>6 & 0x01;
2604 } else if (c == 0x100) { // pic
2605 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2606 if (!temp_ref || closed_gop) // I picture is not reordered
2607 *flags = MOV_SYNC_SAMPLE;
2609 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2616 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2618 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2619 int seq = 0, entry = 0;
2620 int key = pkt->flags & AV_PKT_FLAG_KEY;
2621 start = find_next_marker(pkt->data, end);
2622 for (next = start; next < end; start = next) {
2623 next = find_next_marker(start + 4, end);
2624 switch (AV_RB32(start)) {
2625 case VC1_CODE_SEQHDR:
2628 case VC1_CODE_ENTRYPOINT:
2631 case VC1_CODE_SLICE:
2632 trk->vc1_info.slices = 1;
2636 if (!trk->entry && !fragment) {
2637 /* First packet in first fragment */
2638 trk->vc1_info.first_packet_seq = seq;
2639 trk->vc1_info.first_packet_entry = entry;
2640 } else if ((seq && !trk->vc1_info.packet_seq) ||
2641 (entry && !trk->vc1_info.packet_entry)) {
2643 for (i = 0; i < trk->entry; i++)
2644 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2645 trk->has_keyframes = 0;
2647 trk->vc1_info.packet_seq = 1;
2649 trk->vc1_info.packet_entry = 1;
2651 /* First fragment */
2652 if ((!seq || trk->vc1_info.first_packet_seq) &&
2653 (!entry || trk->vc1_info.first_packet_entry)) {
2654 /* First packet had the same headers as this one, readd the
2655 * sync sample flag. */
2656 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2657 trk->has_keyframes = 1;
2661 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2663 else if (trk->vc1_info.packet_seq)
2665 else if (trk->vc1_info.packet_entry)
2668 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2669 trk->has_keyframes++;
2673 static int mov_flush_fragment(AVFormatContext *s)
2675 MOVMuxContext *mov = s->priv_data;
2676 int i, first_track = -1;
2677 int64_t mdat_size = 0;
2679 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2682 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2683 int64_t pos = avio_tell(s->pb);
2685 AVIOContext *moov_buf;
2689 for (i = 0; i < mov->nb_streams; i++)
2690 if (!mov->tracks[i].entry)
2692 /* Don't write the initial moov unless all tracks have data */
2693 if (i < mov->nb_streams)
2696 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2698 mov_write_moov_tag(moov_buf, mov, s);
2699 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2701 for (i = 0; i < mov->nb_streams; i++)
2702 mov->tracks[i].data_offset = pos + buf_size + 8;
2704 mov_write_moov_tag(s->pb, mov, s);
2706 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2707 mov->mdat_buf = NULL;
2708 avio_wb32(s->pb, buf_size + 8);
2709 ffio_wfourcc(s->pb, "mdat");
2710 avio_write(s->pb, buf, buf_size);
2715 for (i = 0; i < mov->nb_streams; i++) {
2716 if (mov->tracks[i].entry)
2717 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2718 mov->tracks[i].track_duration -
2719 mov->tracks[i].cluster[0].dts;
2720 mov->tracks[i].entry = 0;
2726 for (i = 0; i < mov->nb_streams; i++) {
2727 MOVTrack *track = &mov->tracks[i];
2728 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2729 track->data_offset = 0;
2731 track->data_offset = mdat_size;
2732 if (!track->mdat_buf)
2734 mdat_size += avio_tell(track->mdat_buf);
2735 if (first_track < 0)
2742 for (i = 0; i < mov->nb_streams; i++) {
2743 MOVTrack *track = &mov->tracks[i];
2744 int buf_size, write_moof = 1, moof_tracks = -1;
2746 int64_t duration = 0;
2749 duration = track->start_dts + track->track_duration -
2750 track->cluster[0].dts;
2751 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2752 if (!track->mdat_buf)
2754 mdat_size = avio_tell(track->mdat_buf);
2757 write_moof = i == first_track;
2761 MOVFragmentInfo *info;
2763 track->nb_frag_info++;
2764 track->frag_info = av_realloc(track->frag_info,
2765 sizeof(*track->frag_info) *
2766 track->nb_frag_info);
2767 info = &track->frag_info[track->nb_frag_info - 1];
2768 info->offset = avio_tell(s->pb);
2769 info->time = mov->tracks[i].frag_start;
2770 info->duration = duration;
2771 mov_write_tfrf_tags(s->pb, mov, track);
2773 mov_write_moof_tag(s->pb, mov, moof_tracks);
2774 info->tfrf_offset = track->tfrf_offset;
2777 avio_wb32(s->pb, mdat_size + 8);
2778 ffio_wfourcc(s->pb, "mdat");
2782 track->frag_start += duration;
2784 if (!track->mdat_buf)
2786 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2787 track->mdat_buf = NULL;
2789 avio_write(s->pb, buf, buf_size);
2799 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2801 MOVMuxContext *mov = s->priv_data;
2802 AVIOContext *pb = s->pb;
2803 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2804 AVCodecContext *enc = trk->enc;
2805 unsigned int samples_in_chunk = 0;
2806 int size= pkt->size;
2807 uint8_t *reformatted_data = NULL;
2809 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2810 return 0; /* Can't handle that */
2812 if (!size) return 0; /* Discard 0 sized packets */
2814 if ((mov->max_fragment_duration && trk->entry &&
2815 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2816 s->streams[pkt->stream_index]->time_base,
2817 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2818 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2819 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2820 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2821 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2822 mov_flush_fragment(s);
2825 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2827 if (mov->fragments > 0) {
2828 if (!trk->mdat_buf) {
2829 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2834 if (!mov->mdat_buf) {
2835 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2842 if (enc->codec_id == CODEC_ID_AMR_NB) {
2843 /* We must find out how many AMR blocks there are in one packet */
2844 static uint16_t packed_size[16] =
2845 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2848 while (len < size && samples_in_chunk < 100) {
2849 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2852 if (samples_in_chunk > 1) {
2853 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2856 } else if (trk->sample_size)
2857 samples_in_chunk = size / trk->sample_size;
2859 samples_in_chunk = 1;
2861 /* copy extradata if it exists */
2862 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2863 trk->vos_len = enc->extradata_size;
2864 trk->vos_data = av_malloc(trk->vos_len);
2865 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2868 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2869 /* from x264 or from bytestream h264 */
2870 /* nal reformating needed */
2871 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2872 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2874 avio_write(pb, reformatted_data, size);
2876 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2879 avio_write(pb, pkt->data, size);
2882 if ((enc->codec_id == CODEC_ID_DNXHD ||
2883 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2884 /* copy frame to create needed atoms */
2885 trk->vos_len = size;
2886 trk->vos_data = av_malloc(size);
2888 return AVERROR(ENOMEM);
2889 memcpy(trk->vos_data, pkt->data, size);
2892 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2893 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2898 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2899 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2900 trk->cluster[trk->entry].size = size;
2901 trk->cluster[trk->entry].entries = samples_in_chunk;
2902 trk->cluster[trk->entry].dts = pkt->dts;
2903 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2904 /* First packet of a new fragment. We already wrote the duration
2905 * of the last packet of the previous fragment based on track_duration,
2906 * which might not exactly match our dts. Therefore adjust the dts
2907 * of this packet to be what the previous packets duration implies. */
2908 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2910 if (trk->start_dts == AV_NOPTS_VALUE)
2911 trk->start_dts = pkt->dts;
2912 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2914 if (pkt->pts == AV_NOPTS_VALUE) {
2915 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2916 pkt->pts = pkt->dts;
2918 if (pkt->dts != pkt->pts)
2919 trk->flags |= MOV_TRACK_CTTS;
2920 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2921 trk->cluster[trk->entry].flags = 0;
2922 if (enc->codec_id == CODEC_ID_VC1) {
2923 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2924 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2925 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2926 trk->entry > 0) { // force sync sample for the first key frame
2927 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2928 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2929 trk->flags |= MOV_TRACK_STPS;
2931 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2933 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2934 trk->has_keyframes++;
2937 trk->sample_count += samples_in_chunk;
2938 mov->mdat_size += size;
2942 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2943 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2944 reformatted_data, size);
2945 av_free(reformatted_data);
2949 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2952 mov_flush_fragment(s);
2955 return mov_write_packet_internal(s, pkt);
2959 // QuickTime chapters involve an additional text track with the chapter names
2960 // as samples, and a tref pointing from the other tracks to the chapter one.
2961 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2963 MOVMuxContext *mov = s->priv_data;
2964 MOVTrack *track = &mov->tracks[tracknum];
2965 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2968 track->mode = mov->mode;
2969 track->tag = MKTAG('t','e','x','t');
2970 track->timescale = MOV_TIMESCALE;
2971 track->enc = avcodec_alloc_context3(NULL);
2972 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2974 for (i = 0; i < s->nb_chapters; i++) {
2975 AVChapter *c = s->chapters[i];
2976 AVDictionaryEntry *t;
2978 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2979 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2980 pkt.duration = end - pkt.dts;
2982 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2983 len = strlen(t->value);
2985 pkt.data = av_malloc(pkt.size);
2986 AV_WB16(pkt.data, len);
2987 memcpy(pkt.data+2, t->value, len);
2988 ff_mov_write_packet(s, &pkt);
2989 av_freep(&pkt.data);
2994 static int mov_write_header(AVFormatContext *s)
2996 AVIOContext *pb = s->pb;
2997 MOVMuxContext *mov = s->priv_data;
2998 AVDictionaryEntry *t;
2999 int i, hint_track = 0;
3001 /* Set the FRAGMENT flag if any of the fragmentation methods are
3003 if (mov->max_fragment_duration || mov->max_fragment_size ||
3004 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3005 FF_MOV_FLAG_FRAG_KEYFRAME |
3006 FF_MOV_FLAG_FRAG_CUSTOM))
3007 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3009 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3010 * is enabled, we don't support non-seekable output at all. */
3011 if (!s->pb->seekable &&
3012 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3013 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3014 || mov->ism_lookahead)) {
3015 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3019 /* Default mode == MP4 */
3020 mov->mode = MODE_MP4;
3022 if (s->oformat != NULL) {
3023 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3024 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3025 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3026 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3027 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3028 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3030 mov_write_ftyp_tag(pb,s);
3031 if (mov->mode == MODE_PSP) {
3032 if (s->nb_streams != 2) {
3033 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3036 mov_write_uuidprof_tag(pb,s);
3040 mov->nb_streams = s->nb_streams;
3041 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3042 mov->chapter_track = mov->nb_streams++;
3044 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3045 /* Add hint tracks for each audio and video stream */
3046 hint_track = mov->nb_streams;
3047 for (i = 0; i < s->nb_streams; i++) {
3048 AVStream *st = s->streams[i];
3049 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3050 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3056 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3058 return AVERROR(ENOMEM);
3060 for(i=0; i<s->nb_streams; i++){
3061 AVStream *st= s->streams[i];
3062 MOVTrack *track= &mov->tracks[i];
3063 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3065 track->enc = st->codec;
3066 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3067 if (track->language < 0)
3068 track->language = 0;
3069 track->mode = mov->mode;
3070 track->tag = mov_find_codec_tag(s, track);
3072 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3073 "codec not currently supported in container\n", i);
3076 /* If hinting of this track is enabled by a later hint track,
3077 * this is updated. */
3078 track->hint_track = -1;
3079 track->start_dts = AV_NOPTS_VALUE;
3080 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3081 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3082 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3083 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3084 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3085 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3088 track->height = track->tag>>24 == 'n' ? 486 : 576;
3090 track->timescale = st->codec->time_base.den;
3091 if (track->mode == MODE_MOV && track->timescale > 100000)
3092 av_log(s, AV_LOG_WARNING,
3093 "WARNING codec timebase is very high. If duration is too long,\n"
3094 "file may not be playable by quicktime. Specify a shorter timebase\n"
3095 "or choose different container.\n");
3096 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3097 track->timescale = st->codec->sample_rate;
3098 /* set sample_size for PCM and ADPCM */
3099 if (av_get_bits_per_sample(st->codec->codec_id)) {
3100 if (!st->codec->block_align) {
3101 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3104 track->sample_size = st->codec->block_align;
3106 /* set audio_vbr for compressed audio */
3107 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3108 if (!st->codec->frame_size && track->mode == MODE_MOV) {
3109 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
3112 track->audio_vbr = 1;
3114 if (track->mode != MODE_MOV) {
3115 if (track->timescale > UINT16_MAX) {
3116 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3117 "sample rate %dhz\n", i, track->timescale);
3120 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3121 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3122 i, track->enc->sample_rate);
3126 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3127 track->timescale = st->codec->time_base.den;
3130 track->height = st->codec->height;
3131 /* The ism specific timescale isn't mandatory, but is assumed by
3132 * some tools, such as mp4split. */
3133 if (mov->mode == MODE_ISM)
3134 track->timescale = 10000000;
3136 avpriv_set_pts_info(st, 64, 1, track->timescale);
3138 /* copy extradata if it exists */
3139 if (st->codec->extradata_size) {
3140 track->vos_len = st->codec->extradata_size;
3141 track->vos_data = av_malloc(track->vos_len);
3142 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3146 if (mov->mode == MODE_ISM) {
3147 /* If no fragmentation options have been set, set a default. */
3148 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3149 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3150 !mov->max_fragment_duration && !mov->max_fragment_size)
3151 mov->max_fragment_duration = 5000000;
3152 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3153 FF_MOV_FLAG_FRAGMENT;
3156 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3157 mov_write_mdat_tag(pb, mov);
3159 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3160 mov->time = ff_iso8601_to_unix_time(t->value);
3162 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3164 if (mov->chapter_track)
3165 mov_create_chapter_track(s, mov->chapter_track);
3167 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3168 /* Initialize the hint tracks for each audio and video stream */
3169 for (i = 0; i < s->nb_streams; i++) {
3170 AVStream *st = s->streams[i];
3171 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3172 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3173 ff_mov_init_hinting(s, hint_track, i);
3181 if (mov->flags & FF_MOV_FLAG_ISML)
3182 mov_write_isml_manifest(pb, mov);
3184 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3185 mov_write_moov_tag(pb, mov, s);
3191 av_freep(&mov->tracks);
3195 static int mov_write_trailer(AVFormatContext *s)
3197 MOVMuxContext *mov = s->priv_data;
3198 AVIOContext *pb = s->pb;
3202 int64_t moov_pos = avio_tell(pb);
3204 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3205 /* Write size of mdat tag */
3206 if (mov->mdat_size + 8 <= UINT32_MAX) {
3207 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3208 avio_wb32(pb, mov->mdat_size + 8);
3210 /* overwrite 'wide' placeholder atom */
3211 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3212 /* special value: real atom size will be 64 bit value after
3215 ffio_wfourcc(pb, "mdat");
3216 avio_wb64(pb, mov->mdat_size + 16);
3218 avio_seek(pb, moov_pos, SEEK_SET);
3220 mov_write_moov_tag(pb, mov, s);
3222 mov_flush_fragment(s);
3223 mov_write_mfra_tag(pb, mov);
3226 if (mov->chapter_track)
3227 av_freep(&mov->tracks[mov->chapter_track].enc);
3229 for (i=0; i<mov->nb_streams; i++) {
3230 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3231 ff_mov_close_hinting(&mov->tracks[i]);
3232 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3233 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3234 int64_t off = avio_tell(pb);
3236 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3237 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3238 avio_write(pb, buf, 7);
3239 avio_seek(pb, off, SEEK_SET);
3242 av_freep(&mov->tracks[i].cluster);
3243 av_freep(&mov->tracks[i].frag_info);
3245 if (mov->tracks[i].vos_len)
3246 av_free(mov->tracks[i].vos_data);
3252 av_freep(&mov->tracks);
3257 #if CONFIG_MOV_MUXER
3259 AVOutputFormat ff_mov_muxer = {
3261 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3262 .extensions = "mov",
3263 .priv_data_size = sizeof(MOVMuxContext),
3264 .audio_codec = CODEC_ID_AAC,
3265 #if CONFIG_LIBX264_ENCODER
3266 .video_codec = CODEC_ID_H264,
3268 .video_codec = CODEC_ID_MPEG4,
3270 .write_header = mov_write_header,
3271 .write_packet = ff_mov_write_packet,
3272 .write_trailer = mov_write_trailer,
3273 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3274 .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
3275 .priv_class = &mov_muxer_class,
3278 #if CONFIG_TGP_MUXER
3280 AVOutputFormat ff_tgp_muxer = {
3282 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3283 .extensions = "3gp",
3284 .priv_data_size = sizeof(MOVMuxContext),
3285 .audio_codec = CODEC_ID_AMR_NB,
3286 .video_codec = CODEC_ID_H263,
3287 .write_header = mov_write_header,
3288 .write_packet = ff_mov_write_packet,
3289 .write_trailer = mov_write_trailer,
3290 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3291 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3292 .priv_class = &tgp_muxer_class,
3295 #if CONFIG_MP4_MUXER
3297 AVOutputFormat ff_mp4_muxer = {
3299 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3300 .mime_type = "application/mp4",
3301 .extensions = "mp4",
3302 .priv_data_size = sizeof(MOVMuxContext),
3303 .audio_codec = CODEC_ID_AAC,
3304 #if CONFIG_LIBX264_ENCODER
3305 .video_codec = CODEC_ID_H264,
3307 .video_codec = CODEC_ID_MPEG4,
3309 .write_header = mov_write_header,
3310 .write_packet = ff_mov_write_packet,
3311 .write_trailer = mov_write_trailer,
3312 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3313 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3314 .priv_class = &mp4_muxer_class,
3317 #if CONFIG_PSP_MUXER
3319 AVOutputFormat ff_psp_muxer = {
3321 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3322 .extensions = "mp4,psp",
3323 .priv_data_size = sizeof(MOVMuxContext),
3324 .audio_codec = CODEC_ID_AAC,
3325 #if CONFIG_LIBX264_ENCODER
3326 .video_codec = CODEC_ID_H264,
3328 .video_codec = CODEC_ID_MPEG4,
3330 .write_header = mov_write_header,
3331 .write_packet = ff_mov_write_packet,
3332 .write_trailer = mov_write_trailer,
3333 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3334 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3335 .priv_class = &psp_muxer_class,
3338 #if CONFIG_TG2_MUXER
3340 AVOutputFormat ff_tg2_muxer = {
3342 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3343 .extensions = "3g2",
3344 .priv_data_size = sizeof(MOVMuxContext),
3345 .audio_codec = CODEC_ID_AMR_NB,
3346 .video_codec = CODEC_ID_H263,
3347 .write_header = mov_write_header,
3348 .write_packet = ff_mov_write_packet,
3349 .write_trailer = mov_write_trailer,
3350 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3351 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3352 .priv_class = &tg2_muxer_class,
3355 #if CONFIG_IPOD_MUXER
3357 AVOutputFormat ff_ipod_muxer = {
3359 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3360 .mime_type = "application/mp4",
3361 .extensions = "m4v,m4a",
3362 .priv_data_size = sizeof(MOVMuxContext),
3363 .audio_codec = CODEC_ID_AAC,
3364 .video_codec = CODEC_ID_H264,
3365 .write_header = mov_write_header,
3366 .write_packet = ff_mov_write_packet,
3367 .write_trailer = mov_write_trailer,
3368 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3369 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3370 .priv_class = &ipod_muxer_class,
3373 #if CONFIG_ISMV_MUXER
3375 AVOutputFormat ff_ismv_muxer = {
3377 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3378 .mime_type = "application/mp4",
3379 .extensions = "ismv,isma",
3380 .priv_data_size = sizeof(MOVMuxContext),
3381 .audio_codec = CODEC_ID_AAC,
3382 .video_codec = CODEC_ID_H264,
3383 .write_header = mov_write_header,
3384 .write_packet = ff_mov_write_packet,
3385 .write_trailer = mov_write_trailer,
3386 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3387 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3388 .priv_class = &ismv_muxer_class,