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 get_cluster_duration(MOVTrack *track, int cluster_idx)
558 if (cluster_idx >= track->entry)
561 if (cluster_idx + 1 == track->entry)
562 next_dts = track->track_duration + track->start_dts;
564 next_dts = track->cluster[cluster_idx + 1].dts;
566 return next_dts - track->cluster[cluster_idx].dts;
569 static int get_samples_per_packet(MOVTrack *track)
571 int i, first_duration;
573 /* use 1 for raw PCM */
574 if (!track->audio_vbr)
577 /* check to see if duration is constant for all clusters */
580 first_duration = get_cluster_duration(track, 0);
581 for (i = 1; i < track->entry; i++) {
582 if (get_cluster_duration(track, i) != first_duration)
585 return first_duration;
588 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
590 int64_t pos = avio_tell(pb);
592 uint32_t tag = track->tag;
594 if (track->mode == MODE_MOV) {
595 if (mov_get_lpcm_flags(track->enc->codec_id))
596 tag = AV_RL32("lpcm");
600 avio_wb32(pb, 0); /* size */
601 avio_wl32(pb, tag); // store it byteswapped
602 avio_wb32(pb, 0); /* Reserved */
603 avio_wb16(pb, 0); /* Reserved */
604 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
606 /* SoundDescription */
607 avio_wb16(pb, version); /* Version */
608 avio_wb16(pb, 0); /* Revision level */
609 avio_wb32(pb, 0); /* Reserved */
614 avio_wb16(pb, 0xfffe);
616 avio_wb32(pb, 0x00010000);
618 avio_wb64(pb, av_double2int(track->enc->sample_rate));
619 avio_wb32(pb, track->enc->channels);
620 avio_wb32(pb, 0x7F000000);
621 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
622 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
623 avio_wb32(pb, track->sample_size);
624 avio_wb32(pb, get_samples_per_packet(track));
626 /* reserved for mp4/3gp */
631 avio_wb16(pb, 0); /* packet size (= 0) */
632 avio_wb16(pb, track->enc->sample_rate);
633 avio_wb16(pb, 0); /* Reserved */
636 if(track->mode == MODE_MOV &&
637 (track->enc->codec_id == CODEC_ID_AAC ||
638 track->enc->codec_id == CODEC_ID_AC3 ||
639 track->enc->codec_id == CODEC_ID_AMR_NB ||
640 track->enc->codec_id == CODEC_ID_ALAC ||
641 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
642 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
643 mov_pcm_le_gt16(track->enc->codec_id)))
644 mov_write_wave_tag(pb, track);
645 else if(track->tag == MKTAG('m','p','4','a'))
646 mov_write_esds_tag(pb, track);
647 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
648 mov_write_amr_tag(pb, track);
649 else if(track->enc->codec_id == CODEC_ID_AC3)
650 mov_write_ac3_tag(pb, track);
651 else if(track->enc->codec_id == CODEC_ID_ALAC)
652 mov_write_extradata_tag(pb, track);
653 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
654 mov_write_wfex_tag(pb, track);
655 else if (track->vos_len > 0)
656 mov_write_glbl_tag(pb, track);
658 return update_size(pb, pos);
661 static int mov_write_d263_tag(AVIOContext *pb)
663 avio_wb32(pb, 0xf); /* size */
664 ffio_wfourcc(pb, "d263");
665 ffio_wfourcc(pb, "FFMP");
666 avio_w8(pb, 0); /* decoder version */
667 /* FIXME use AVCodecContext level/profile, when encoder will set values */
668 avio_w8(pb, 0xa); /* level */
669 avio_w8(pb, 0); /* profile */
673 /* TODO: No idea about these values */
674 static int mov_write_svq3_tag(AVIOContext *pb)
677 ffio_wfourcc(pb, "SMI ");
678 ffio_wfourcc(pb, "SEQH");
680 avio_wb32(pb, 0xe2c0211d);
681 avio_wb32(pb, 0xc0000000);
686 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
688 int64_t pos = avio_tell(pb);
691 ffio_wfourcc(pb, "avcC");
692 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
693 return update_size(pb, pos);
696 /* also used by all avid codecs (dv, imx, meridien) and their variants */
697 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
700 avio_wb32(pb, 24); /* size */
701 ffio_wfourcc(pb, "ACLR");
702 ffio_wfourcc(pb, "ACLR");
703 ffio_wfourcc(pb, "0001");
704 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
705 avio_wb32(pb, 0); /* unknown */
707 avio_wb32(pb, 24); /* size */
708 ffio_wfourcc(pb, "APRG");
709 ffio_wfourcc(pb, "APRG");
710 ffio_wfourcc(pb, "0001");
711 avio_wb32(pb, 1); /* unknown */
712 avio_wb32(pb, 0); /* unknown */
714 avio_wb32(pb, 120); /* size */
715 ffio_wfourcc(pb, "ARES");
716 ffio_wfourcc(pb, "ARES");
717 ffio_wfourcc(pb, "0001");
718 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
719 avio_wb32(pb, track->enc->width);
720 /* values below are based on samples created with quicktime and avid codecs */
721 if (track->vos_data[5] & 2) { // interlaced
722 avio_wb32(pb, track->enc->height/2);
723 avio_wb32(pb, 2); /* unknown */
724 avio_wb32(pb, 0); /* unknown */
725 avio_wb32(pb, 4); /* unknown */
727 avio_wb32(pb, track->enc->height);
728 avio_wb32(pb, 1); /* unknown */
729 avio_wb32(pb, 0); /* unknown */
730 if (track->enc->height == 1080)
731 avio_wb32(pb, 5); /* unknown */
733 avio_wb32(pb, 6); /* unknown */
736 for (i = 0; i < 10; i++)
739 /* extra padding for stsd needed */
744 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
746 int tag = track->enc->codec_tag;
748 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
751 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
752 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
753 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
754 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
755 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
756 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
757 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
762 static const AVCodecTag codec_ipod_tags[] = {
763 { CODEC_ID_H264, MKTAG('a','v','c','1') },
764 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
765 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
766 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
767 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
768 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
769 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
770 { CODEC_ID_NONE, 0 },
773 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
775 int tag = track->enc->codec_tag;
777 // keep original tag for subs, ipod supports both formats
778 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
779 (tag == MKTAG('t','x','3','g') ||
780 tag == MKTAG('t','e','x','t'))))
781 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
783 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
784 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
785 "Quicktime/Ipod might not play the file\n");
790 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
794 if (track->enc->width == 720) /* SD */
795 if (track->enc->height == 480) /* NTSC */
796 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
797 else tag = MKTAG('d','v','c',' ');
798 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
799 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
800 else tag = MKTAG('d','v','p','p');
801 else if (track->enc->height == 720) /* HD 720 line */
802 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
803 else tag = MKTAG('d','v','h','p');
804 else if (track->enc->height == 1080) /* HD 1080 line */
805 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
806 else tag = MKTAG('d','v','h','6');
808 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
815 static const struct {
816 enum PixelFormat pix_fmt;
819 } mov_pix_fmt_tags[] = {
820 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
821 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
822 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
823 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
824 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
825 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
826 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
827 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
828 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
829 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
830 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
831 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
832 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
833 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
836 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
838 int tag = track->enc->codec_tag;
841 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
842 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
843 tag = mov_pix_fmt_tags[i].tag;
844 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
852 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
854 int tag = track->enc->codec_tag;
856 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
857 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
858 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
859 track->enc->codec_id == CODEC_ID_H263 ||
860 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
861 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
862 tag = mov_get_dv_codec_tag(s, track);
863 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
864 tag = mov_get_rawvideo_codec_tag(s, track);
865 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
866 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
867 if (!tag) { // if no mac fcc found, try with Microsoft tags
868 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
870 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
871 "the file may be unplayable!\n");
873 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
874 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
875 if (!tag) { // if no mac fcc found, try with Microsoft tags
876 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
878 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
879 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
880 "the file may be unplayable!\n");
883 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
884 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
890 static const AVCodecTag codec_3gp_tags[] = {
891 { CODEC_ID_H263, MKTAG('s','2','6','3') },
892 { CODEC_ID_H264, MKTAG('a','v','c','1') },
893 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
894 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
895 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
896 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
897 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
898 { CODEC_ID_NONE, 0 },
901 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
903 int tag = track->enc->codec_tag;
905 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
906 tag = mp4_get_codec_tag(s, track);
907 else if (track->mode == MODE_ISM) {
908 tag = mp4_get_codec_tag(s, track);
909 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
910 tag = MKTAG('w', 'm', 'a', ' ');
911 } else if (track->mode == MODE_IPOD)
912 tag = ipod_get_codec_tag(s, track);
913 else if (track->mode & MODE_3GP)
914 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
916 tag = mov_get_codec_tag(s, track);
922 * Needed to make file play in iPods running newest firmware
923 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
925 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
928 ffio_wfourcc(pb, "uuid");
929 avio_wb32(pb, 0x6b6840f2);
930 avio_wb32(pb, 0x5f244fc5);
931 avio_wb32(pb, 0xba39a51b);
932 avio_wb32(pb, 0xcf0323f3);
937 static const uint16_t fiel_data[] = {
938 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
941 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
943 unsigned mov_field_order = 0;
944 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
945 mov_field_order = fiel_data[track->enc->field_order];
949 ffio_wfourcc(pb, "fiel");
950 avio_wb16(pb, mov_field_order);
954 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
956 int64_t pos = avio_tell(pb);
957 avio_wb32(pb, 0); /* size */
958 avio_wl32(pb, track->tag); // store it byteswapped
959 avio_wb32(pb, 0); /* Reserved */
960 avio_wb16(pb, 0); /* Reserved */
961 avio_wb16(pb, 1); /* Data-reference index */
963 if (track->enc->extradata_size)
964 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
966 return update_size(pb, pos);
969 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
972 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
973 track->enc->sample_aspect_ratio.den, INT_MAX);
976 ffio_wfourcc(pb, "pasp");
977 avio_wb32(pb, sar.num);
978 avio_wb32(pb, sar.den);
982 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
984 int64_t pos = avio_tell(pb);
985 char compressor_name[32];
987 avio_wb32(pb, 0); /* size */
988 avio_wl32(pb, track->tag); // store it byteswapped
989 avio_wb32(pb, 0); /* Reserved */
990 avio_wb16(pb, 0); /* Reserved */
991 avio_wb16(pb, 1); /* Data-reference index */
993 avio_wb16(pb, 0); /* Codec stream version */
994 avio_wb16(pb, 0); /* Codec stream revision (=0) */
995 if (track->mode == MODE_MOV) {
996 ffio_wfourcc(pb, "FFMP"); /* Vendor */
997 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
998 avio_wb32(pb, 0); /* Temporal Quality */
999 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1001 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1002 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1005 avio_wb32(pb, 0); /* Reserved */
1006 avio_wb32(pb, 0); /* Reserved */
1007 avio_wb32(pb, 0); /* Reserved */
1009 avio_wb16(pb, track->enc->width); /* Video width */
1010 avio_wb16(pb, track->height); /* Video height */
1011 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1012 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1013 avio_wb32(pb, 0); /* Data size (= 0) */
1014 avio_wb16(pb, 1); /* Frame count (= 1) */
1016 memset(compressor_name,0,32);
1017 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1018 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1019 av_strlcpy(compressor_name,track->enc->codec->name,32);
1020 avio_w8(pb, strlen(compressor_name));
1021 avio_write(pb, compressor_name, 31);
1023 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1024 avio_wb16(pb, track->enc->bits_per_coded_sample);
1026 avio_wb16(pb, 0x18); /* Reserved */
1027 avio_wb16(pb, 0xffff); /* Reserved */
1028 if(track->tag == MKTAG('m','p','4','v'))
1029 mov_write_esds_tag(pb, track);
1030 else if(track->enc->codec_id == CODEC_ID_H263)
1031 mov_write_d263_tag(pb);
1032 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1033 mov_write_svq3_tag(pb);
1034 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1035 mov_write_avid_tag(pb, track);
1036 else if(track->enc->codec_id == CODEC_ID_H264) {
1037 mov_write_avcc_tag(pb, track);
1038 if(track->mode == MODE_IPOD)
1039 mov_write_uuid_tag_ipod(pb);
1040 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1041 mov_write_fiel_tag(pb, track);
1042 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1043 mov_write_dvc1_tag(pb, track);
1044 else if (track->vos_len > 0)
1045 mov_write_glbl_tag(pb, track);
1047 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1048 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1049 mov_write_pasp_tag(pb, track);
1052 return update_size(pb, pos);
1055 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1057 int64_t pos = avio_tell(pb);
1058 avio_wb32(pb, 0); /* size */
1059 ffio_wfourcc(pb, "rtp ");
1060 avio_wb32(pb, 0); /* Reserved */
1061 avio_wb16(pb, 0); /* Reserved */
1062 avio_wb16(pb, 1); /* Data-reference index */
1064 avio_wb16(pb, 1); /* Hint track version */
1065 avio_wb16(pb, 1); /* Highest compatible version */
1066 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1068 avio_wb32(pb, 12); /* size */
1069 ffio_wfourcc(pb, "tims");
1070 avio_wb32(pb, track->timescale);
1072 return update_size(pb, pos);
1075 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1077 int64_t pos = avio_tell(pb);
1078 avio_wb32(pb, 0); /* size */
1079 ffio_wfourcc(pb, "stsd");
1080 avio_wb32(pb, 0); /* version & flags */
1081 avio_wb32(pb, 1); /* entry count */
1082 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1083 mov_write_video_tag(pb, track);
1084 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1085 mov_write_audio_tag(pb, track);
1086 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1087 mov_write_subtitle_tag(pb, track);
1088 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1089 mov_write_rtp_tag(pb, track);
1090 return update_size(pb, pos);
1093 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1095 MOVStts *ctts_entries;
1096 uint32_t entries = 0;
1100 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1101 ctts_entries[0].count = 1;
1102 ctts_entries[0].duration = track->cluster[0].cts;
1103 for (i=1; i<track->entry; i++) {
1104 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1105 ctts_entries[entries].count++; /* compress */
1108 ctts_entries[entries].duration = track->cluster[i].cts;
1109 ctts_entries[entries].count = 1;
1112 entries++; /* last one */
1113 atom_size = 16 + (entries * 8);
1114 avio_wb32(pb, atom_size); /* size */
1115 ffio_wfourcc(pb, "ctts");
1116 avio_wb32(pb, 0); /* version & flags */
1117 avio_wb32(pb, entries); /* entry count */
1118 for (i=0; i<entries; i++) {
1119 avio_wb32(pb, ctts_entries[i].count);
1120 avio_wb32(pb, ctts_entries[i].duration);
1122 av_free(ctts_entries);
1126 /* Time to sample atom */
1127 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1129 MOVStts *stts_entries;
1130 uint32_t entries = -1;
1134 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1135 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1136 stts_entries[0].count = track->sample_count;
1137 stts_entries[0].duration = 1;
1140 stts_entries = track->entry ?
1141 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1143 for (i=0; i<track->entry; i++) {
1144 int duration = get_cluster_duration(track, i);
1145 if (i && duration == stts_entries[entries].duration) {
1146 stts_entries[entries].count++; /* compress */
1149 stts_entries[entries].duration = duration;
1150 stts_entries[entries].count = 1;
1153 entries++; /* last one */
1155 atom_size = 16 + (entries * 8);
1156 avio_wb32(pb, atom_size); /* size */
1157 ffio_wfourcc(pb, "stts");
1158 avio_wb32(pb, 0); /* version & flags */
1159 avio_wb32(pb, entries); /* entry count */
1160 for (i=0; i<entries; i++) {
1161 avio_wb32(pb, stts_entries[i].count);
1162 avio_wb32(pb, stts_entries[i].duration);
1164 av_free(stts_entries);
1168 static int mov_write_dref_tag(AVIOContext *pb)
1170 avio_wb32(pb, 28); /* size */
1171 ffio_wfourcc(pb, "dref");
1172 avio_wb32(pb, 0); /* version & flags */
1173 avio_wb32(pb, 1); /* entry count */
1175 avio_wb32(pb, 0xc); /* size */
1176 ffio_wfourcc(pb, "url ");
1177 avio_wb32(pb, 1); /* version & flags */
1182 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1184 int64_t pos = avio_tell(pb);
1185 avio_wb32(pb, 0); /* size */
1186 ffio_wfourcc(pb, "stbl");
1187 mov_write_stsd_tag(pb, track);
1188 mov_write_stts_tag(pb, track);
1189 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1190 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1191 track->has_keyframes && track->has_keyframes < track->entry)
1192 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1193 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1194 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1195 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1196 track->flags & MOV_TRACK_CTTS)
1197 mov_write_ctts_tag(pb, track);
1198 mov_write_stsc_tag(pb, track);
1199 mov_write_stsz_tag(pb, track);
1200 mov_write_stco_tag(pb, track);
1201 return update_size(pb, pos);
1204 static int mov_write_dinf_tag(AVIOContext *pb)
1206 int64_t pos = avio_tell(pb);
1207 avio_wb32(pb, 0); /* size */
1208 ffio_wfourcc(pb, "dinf");
1209 mov_write_dref_tag(pb);
1210 return update_size(pb, pos);
1213 static int mov_write_nmhd_tag(AVIOContext *pb)
1216 ffio_wfourcc(pb, "nmhd");
1221 static int mov_write_gmhd_tag(AVIOContext *pb)
1223 avio_wb32(pb, 0x20); /* size */
1224 ffio_wfourcc(pb, "gmhd");
1225 avio_wb32(pb, 0x18); /* gmin size */
1226 ffio_wfourcc(pb, "gmin");/* generic media info */
1227 avio_wb32(pb, 0); /* version & flags */
1228 avio_wb16(pb, 0x40); /* graphics mode = */
1229 avio_wb16(pb, 0x8000); /* opColor (r?) */
1230 avio_wb16(pb, 0x8000); /* opColor (g?) */
1231 avio_wb16(pb, 0x8000); /* opColor (b?) */
1232 avio_wb16(pb, 0); /* balance */
1233 avio_wb16(pb, 0); /* reserved */
1237 static int mov_write_smhd_tag(AVIOContext *pb)
1239 avio_wb32(pb, 16); /* size */
1240 ffio_wfourcc(pb, "smhd");
1241 avio_wb32(pb, 0); /* version & flags */
1242 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1243 avio_wb16(pb, 0); /* reserved */
1247 static int mov_write_vmhd_tag(AVIOContext *pb)
1249 avio_wb32(pb, 0x14); /* size (always 0x14) */
1250 ffio_wfourcc(pb, "vmhd");
1251 avio_wb32(pb, 0x01); /* version & flags */
1252 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1256 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1258 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1259 int64_t pos = avio_tell(pb);
1261 if (!track) { /* no media --> data handler */
1264 descr = "DataHandler";
1266 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1267 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1269 descr = "VideoHandler";
1270 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1272 descr = "SoundHandler";
1273 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1274 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1275 else hdlr_type = "text";
1276 descr = "SubtitleHandler";
1277 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1279 descr = "HintHandler";
1283 avio_wb32(pb, 0); /* size */
1284 ffio_wfourcc(pb, "hdlr");
1285 avio_wb32(pb, 0); /* Version & flags */
1286 avio_write(pb, hdlr, 4); /* handler */
1287 ffio_wfourcc(pb, hdlr_type); /* handler type */
1288 avio_wb32(pb ,0); /* reserved */
1289 avio_wb32(pb ,0); /* reserved */
1290 avio_wb32(pb ,0); /* reserved */
1291 if (!track || track->mode == MODE_MOV)
1292 avio_w8(pb, strlen(descr)); /* pascal string */
1293 avio_write(pb, descr, strlen(descr)); /* handler description */
1294 if (track && track->mode != MODE_MOV)
1295 avio_w8(pb, 0); /* c string */
1296 return update_size(pb, pos);
1299 static int mov_write_hmhd_tag(AVIOContext *pb)
1301 /* This atom must be present, but leaving the values at zero
1302 * seems harmless. */
1303 avio_wb32(pb, 28); /* size */
1304 ffio_wfourcc(pb, "hmhd");
1305 avio_wb32(pb, 0); /* version, flags */
1306 avio_wb16(pb, 0); /* maxPDUsize */
1307 avio_wb16(pb, 0); /* avgPDUsize */
1308 avio_wb32(pb, 0); /* maxbitrate */
1309 avio_wb32(pb, 0); /* avgbitrate */
1310 avio_wb32(pb, 0); /* reserved */
1314 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1316 int64_t pos = avio_tell(pb);
1317 avio_wb32(pb, 0); /* size */
1318 ffio_wfourcc(pb, "minf");
1319 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1320 mov_write_vmhd_tag(pb);
1321 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1322 mov_write_smhd_tag(pb);
1323 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1324 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1325 else mov_write_nmhd_tag(pb);
1326 } else if (track->tag == MKTAG('r','t','p',' ')) {
1327 mov_write_hmhd_tag(pb);
1329 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1330 mov_write_hdlr_tag(pb, NULL);
1331 mov_write_dinf_tag(pb);
1332 mov_write_stbl_tag(pb, track);
1333 return update_size(pb, pos);
1336 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1338 int version = track->track_duration < INT32_MAX ? 0 : 1;
1340 if (track->mode == MODE_ISM)
1343 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1344 ffio_wfourcc(pb, "mdhd");
1345 avio_w8(pb, version);
1346 avio_wb24(pb, 0); /* flags */
1348 avio_wb64(pb, track->time);
1349 avio_wb64(pb, track->time);
1351 avio_wb32(pb, track->time); /* creation time */
1352 avio_wb32(pb, track->time); /* modification time */
1354 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1356 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1358 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1359 avio_wb16(pb, track->language); /* language */
1360 avio_wb16(pb, 0); /* reserved (quality) */
1362 if(version!=0 && track->mode == MODE_MOV){
1363 av_log(NULL, AV_LOG_ERROR,
1364 "FATAL error, file duration too long for timebase, this file will not be\n"
1365 "playable with quicktime. Choose a different timebase or a different\n"
1366 "container format\n");
1372 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1374 int64_t pos = avio_tell(pb);
1375 avio_wb32(pb, 0); /* size */
1376 ffio_wfourcc(pb, "mdia");
1377 mov_write_mdhd_tag(pb, track);
1378 mov_write_hdlr_tag(pb, track);
1379 mov_write_minf_tag(pb, track);
1380 return update_size(pb, pos);
1383 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1385 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1386 track->timescale, AV_ROUND_UP);
1387 int version = duration < INT32_MAX ? 0 : 1;
1389 if (track->mode == MODE_ISM)
1392 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1393 ffio_wfourcc(pb, "tkhd");
1394 avio_w8(pb, version);
1395 avio_wb24(pb, 0xf); /* flags (track enabled) */
1397 avio_wb64(pb, track->time);
1398 avio_wb64(pb, track->time);
1400 avio_wb32(pb, track->time); /* creation time */
1401 avio_wb32(pb, track->time); /* modification time */
1403 avio_wb32(pb, track->track_id); /* track-id */
1404 avio_wb32(pb, 0); /* reserved */
1406 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1408 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1410 avio_wb32(pb, 0); /* reserved */
1411 avio_wb32(pb, 0); /* reserved */
1412 avio_wb16(pb, 0); /* layer */
1413 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1414 /* Volume, only for audio */
1415 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1416 avio_wb16(pb, 0x0100);
1419 avio_wb16(pb, 0); /* reserved */
1421 /* Matrix structure */
1422 avio_wb32(pb, 0x00010000); /* reserved */
1423 avio_wb32(pb, 0x0); /* reserved */
1424 avio_wb32(pb, 0x0); /* reserved */
1425 avio_wb32(pb, 0x0); /* reserved */
1426 avio_wb32(pb, 0x00010000); /* reserved */
1427 avio_wb32(pb, 0x0); /* reserved */
1428 avio_wb32(pb, 0x0); /* reserved */
1429 avio_wb32(pb, 0x0); /* reserved */
1430 avio_wb32(pb, 0x40000000); /* reserved */
1432 /* Track width and height, for visual only */
1433 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1434 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1435 if(track->mode == MODE_MOV) {
1436 avio_wb32(pb, track->enc->width << 16);
1437 avio_wb32(pb, track->height << 16);
1439 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1440 if(!sample_aspect_ratio || track->height != track->enc->height)
1441 sample_aspect_ratio = 1;
1442 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1443 avio_wb32(pb, track->height*0x10000);
1453 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1455 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1456 track->enc->sample_aspect_ratio.den);
1458 int64_t pos = avio_tell(pb);
1460 avio_wb32(pb, 0); /* size */
1461 ffio_wfourcc(pb, "tapt");
1464 ffio_wfourcc(pb, "clef");
1466 avio_wb32(pb, width << 16);
1467 avio_wb32(pb, track->enc->height << 16);
1470 ffio_wfourcc(pb, "enof");
1472 avio_wb32(pb, track->enc->width << 16);
1473 avio_wb32(pb, track->enc->height << 16);
1475 return update_size(pb, pos);
1478 // This box seems important for the psp playback ... without it the movie seems to hang
1479 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1481 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1482 track->timescale, AV_ROUND_UP);
1483 int version = duration < INT32_MAX ? 0 : 1;
1484 int entry_size, entry_count, size;
1485 int64_t delay, start_ct = track->cluster[0].cts;
1486 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1487 track->timescale, AV_ROUND_DOWN);
1488 version |= delay < INT32_MAX ? 0 : 1;
1490 entry_size = (version == 1) ? 20 : 12;
1491 entry_count = 1 + (delay > 0);
1492 size = 24 + entry_count * entry_size;
1494 /* write the atom data */
1495 avio_wb32(pb, size);
1496 ffio_wfourcc(pb, "edts");
1497 avio_wb32(pb, size - 8);
1498 ffio_wfourcc(pb, "elst");
1499 avio_w8(pb, version);
1500 avio_wb24(pb, 0); /* flags */
1502 avio_wb32(pb, entry_count);
1503 if (delay > 0) { /* add an empty edit to delay presentation */
1505 avio_wb64(pb, delay);
1508 avio_wb32(pb, delay);
1511 avio_wb32(pb, 0x00010000);
1516 avio_wb64(pb, duration);
1517 avio_wb64(pb, start_ct);
1519 avio_wb32(pb, duration);
1520 avio_wb32(pb, start_ct);
1522 avio_wb32(pb, 0x00010000);
1526 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1528 avio_wb32(pb, 20); // size
1529 ffio_wfourcc(pb, "tref");
1530 avio_wb32(pb, 12); // size (subatom)
1531 avio_wl32(pb, track->tref_tag);
1532 avio_wb32(pb, track->tref_id);
1536 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1537 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1539 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1540 ffio_wfourcc(pb, "uuid");
1541 ffio_wfourcc(pb, "USMT");
1542 avio_wb32(pb, 0x21d24fce);
1543 avio_wb32(pb, 0xbb88695c);
1544 avio_wb32(pb, 0xfac9c740);
1545 avio_wb32(pb, 0x1c); // another size here!
1546 ffio_wfourcc(pb, "MTDT");
1547 avio_wb32(pb, 0x00010012);
1548 avio_wb32(pb, 0x0a);
1549 avio_wb32(pb, 0x55c40000);
1555 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1557 char buf[1000] = "";
1560 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1561 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1564 avio_wb32(pb, len + 24);
1565 ffio_wfourcc(pb, "udta");
1566 avio_wb32(pb, len + 16);
1567 ffio_wfourcc(pb, "hnti");
1568 avio_wb32(pb, len + 8);
1569 ffio_wfourcc(pb, "sdp ");
1570 avio_write(pb, buf, len);
1574 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1575 MOVTrack *track, AVStream *st)
1577 int64_t pos = avio_tell(pb);
1578 avio_wb32(pb, 0); /* size */
1579 ffio_wfourcc(pb, "trak");
1580 mov_write_tkhd_tag(pb, track, st);
1581 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1582 (track->entry && track->cluster[0].dts)) {
1583 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1584 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1586 if (track->tref_tag)
1587 mov_write_tref_tag(pb, track);
1588 mov_write_mdia_tag(pb, track);
1589 if (track->mode == MODE_PSP)
1590 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1591 if (track->tag == MKTAG('r','t','p',' '))
1592 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1593 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1594 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1595 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1596 mov_write_tapt_tag(pb, track);
1598 return update_size(pb, pos);
1601 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1603 int i, has_audio = 0, has_video = 0;
1604 int64_t pos = avio_tell(pb);
1605 int audio_profile = mov->iods_audio_profile;
1606 int video_profile = mov->iods_video_profile;
1607 for (i = 0; i < mov->nb_streams; i++) {
1608 if(mov->tracks[i].entry > 0) {
1609 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1610 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1613 if (audio_profile < 0)
1614 audio_profile = 0xFF - has_audio;
1615 if (video_profile < 0)
1616 video_profile = 0xFF - has_video;
1617 avio_wb32(pb, 0x0); /* size */
1618 ffio_wfourcc(pb, "iods");
1619 avio_wb32(pb, 0); /* version & flags */
1620 put_descr(pb, 0x10, 7);
1621 avio_wb16(pb, 0x004f);
1624 avio_w8(pb, audio_profile);
1625 avio_w8(pb, video_profile);
1627 return update_size(pb, pos);
1630 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1632 avio_wb32(pb, 0x20); /* size */
1633 ffio_wfourcc(pb, "trex");
1634 avio_wb32(pb, 0); /* version & flags */
1635 avio_wb32(pb, track->track_id); /* track ID */
1636 avio_wb32(pb, 1); /* default sample description index */
1637 avio_wb32(pb, 0); /* default sample duration */
1638 avio_wb32(pb, 0); /* default sample size */
1639 avio_wb32(pb, 0); /* default sample flags */
1643 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1645 int64_t pos = avio_tell(pb);
1647 avio_wb32(pb, 0x0); /* size */
1648 ffio_wfourcc(pb, "mvex");
1649 for (i = 0; i < mov->nb_streams; i++)
1650 mov_write_trex_tag(pb, &mov->tracks[i]);
1651 return update_size(pb, pos);
1654 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1656 int max_track_id = 1, i;
1657 int64_t max_track_len_temp, max_track_len = 0;
1660 for (i=0; i<mov->nb_streams; i++) {
1661 if(mov->tracks[i].entry > 0) {
1662 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1664 mov->tracks[i].timescale,
1666 if (max_track_len < max_track_len_temp)
1667 max_track_len = max_track_len_temp;
1668 if (max_track_id < mov->tracks[i].track_id)
1669 max_track_id = mov->tracks[i].track_id;
1673 version = max_track_len < UINT32_MAX ? 0 : 1;
1674 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1675 ffio_wfourcc(pb, "mvhd");
1676 avio_w8(pb, version);
1677 avio_wb24(pb, 0); /* flags */
1679 avio_wb64(pb, mov->time);
1680 avio_wb64(pb, mov->time);
1682 avio_wb32(pb, mov->time); /* creation time */
1683 avio_wb32(pb, mov->time); /* modification time */
1685 avio_wb32(pb, MOV_TIMESCALE);
1686 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1688 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1689 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1690 avio_wb16(pb, 0); /* reserved */
1691 avio_wb32(pb, 0); /* reserved */
1692 avio_wb32(pb, 0); /* reserved */
1694 /* Matrix structure */
1695 avio_wb32(pb, 0x00010000); /* reserved */
1696 avio_wb32(pb, 0x0); /* reserved */
1697 avio_wb32(pb, 0x0); /* reserved */
1698 avio_wb32(pb, 0x0); /* reserved */
1699 avio_wb32(pb, 0x00010000); /* reserved */
1700 avio_wb32(pb, 0x0); /* reserved */
1701 avio_wb32(pb, 0x0); /* reserved */
1702 avio_wb32(pb, 0x0); /* reserved */
1703 avio_wb32(pb, 0x40000000); /* reserved */
1705 avio_wb32(pb, 0); /* reserved (preview time) */
1706 avio_wb32(pb, 0); /* reserved (preview duration) */
1707 avio_wb32(pb, 0); /* reserved (poster time) */
1708 avio_wb32(pb, 0); /* reserved (selection time) */
1709 avio_wb32(pb, 0); /* reserved (selection duration) */
1710 avio_wb32(pb, 0); /* reserved (current time) */
1711 avio_wb32(pb, max_track_id + 1); /* Next track id */
1715 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1718 avio_wb32(pb, 33); /* size */
1719 ffio_wfourcc(pb, "hdlr");
1722 ffio_wfourcc(pb, "mdir");
1723 ffio_wfourcc(pb, "appl");
1730 /* helper function to write a data tag with the specified string as data */
1731 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1734 int size = 16 + strlen(data);
1735 avio_wb32(pb, size); /* size */
1736 ffio_wfourcc(pb, "data");
1739 avio_write(pb, data, strlen(data));
1743 lang = ff_mov_iso639_to_lang("und", 1);
1744 avio_wb16(pb, strlen(data)); /* string length */
1745 avio_wb16(pb, lang);
1746 avio_write(pb, data, strlen(data));
1747 return strlen(data) + 4;
1751 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1753 if (value && value[0]) {
1754 int64_t pos = avio_tell(pb);
1755 avio_wb32(pb, 0); /* size */
1756 ffio_wfourcc(pb, name);
1757 mov_write_string_data_tag(pb, value, lang, long_style);
1758 size = update_size(pb, pos);
1763 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1764 const char *name, const char *tag,
1767 int l, lang = 0, len, len2;
1768 AVDictionaryEntry *t, *t2 = NULL;
1771 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1774 len = strlen(t->key);
1775 snprintf(tag2, sizeof(tag2), "%s-", tag);
1776 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1777 len2 = strlen(t2->key);
1778 if (len2 == len+4 && !strcmp(t->value, t2->value)
1779 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1784 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1787 /* iTunes track number */
1788 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1791 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1792 int size = 0, track = t ? atoi(t->value) : 0;
1794 avio_wb32(pb, 32); /* size */
1795 ffio_wfourcc(pb, "trkn");
1796 avio_wb32(pb, 24); /* size */
1797 ffio_wfourcc(pb, "data");
1798 avio_wb32(pb, 0); // 8 bytes empty
1800 avio_wb16(pb, 0); // empty
1801 avio_wb16(pb, track); // track number
1802 avio_wb16(pb, 0); // total track number
1803 avio_wb16(pb, 0); // empty
1809 /* iTunes meta data list */
1810 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1813 int64_t pos = avio_tell(pb);
1814 avio_wb32(pb, 0); /* size */
1815 ffio_wfourcc(pb, "ilst");
1816 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1817 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1818 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1819 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1820 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1821 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1822 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1823 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1824 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1825 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1826 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1827 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1828 mov_write_string_metadata(s, pb, "desc", "description",1);
1829 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1830 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1831 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1832 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1833 mov_write_trkn_tag(pb, mov, s);
1834 return update_size(pb, pos);
1837 /* iTunes meta data tag */
1838 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1842 int64_t pos = avio_tell(pb);
1843 avio_wb32(pb, 0); /* size */
1844 ffio_wfourcc(pb, "meta");
1846 mov_write_itunes_hdlr_tag(pb, mov, s);
1847 mov_write_ilst_tag(pb, mov, s);
1848 size = update_size(pb, pos);
1852 static int utf8len(const uint8_t *b)
1857 GET_UTF8(val, *b++, return -1;)
1863 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1867 GET_UTF8(val, *b++, return -1;)
1870 avio_wb16(pb, 0x00);
1874 static uint16_t language_code(const char *str)
1876 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1879 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1880 const char *tag, const char *str)
1882 int64_t pos = avio_tell(pb);
1883 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1884 if (!t || !utf8len(t->value))
1886 avio_wb32(pb, 0); /* size */
1887 ffio_wfourcc(pb, tag); /* type */
1888 avio_wb32(pb, 0); /* version + flags */
1889 if (!strcmp(tag, "yrrc"))
1890 avio_wb16(pb, atoi(t->value));
1892 avio_wb16(pb, language_code("eng")); /* language */
1893 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1894 if (!strcmp(tag, "albm") &&
1895 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1896 avio_w8(pb, atoi(t->value));
1898 return update_size(pb, pos);
1901 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1903 int64_t pos = avio_tell(pb);
1904 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1906 avio_wb32(pb, 0); // size
1907 ffio_wfourcc(pb, "chpl");
1908 avio_wb32(pb, 0x01000000); // version + flags
1909 avio_wb32(pb, 0); // unknown
1910 avio_w8(pb, nb_chapters);
1912 for (i = 0; i < nb_chapters; i++) {
1913 AVChapter *c = s->chapters[i];
1914 AVDictionaryEntry *t;
1915 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1917 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1918 int len = FFMIN(strlen(t->value), 255);
1920 avio_write(pb, t->value, len);
1924 return update_size(pb, pos);
1927 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1930 AVIOContext *pb_buf;
1934 for (i = 0; i < s->nb_streams; i++)
1935 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1939 ret = avio_open_dyn_buf(&pb_buf);
1943 if (mov->mode & MODE_3GP) {
1944 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1945 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1946 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1947 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1948 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1949 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1950 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1951 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1952 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1953 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1954 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1955 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1956 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1957 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1958 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1959 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1960 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1961 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1963 /* iTunes meta data */
1964 mov_write_meta_tag(pb_buf, mov, s);
1968 mov_write_chpl_tag(pb_buf, s);
1970 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1971 avio_wb32(pb, size+8);
1972 ffio_wfourcc(pb, "udta");
1973 avio_write(pb, buf, size);
1980 static void mov_write_psp_udta_tag(AVIOContext *pb,
1981 const char *str, const char *lang, int type)
1983 int len = utf8len(str)+1;
1986 avio_wb16(pb, len*2+10); /* size */
1987 avio_wb32(pb, type); /* type */
1988 avio_wb16(pb, language_code(lang)); /* language */
1989 avio_wb16(pb, 0x01); /* ? */
1990 ascii_to_wc(pb, str);
1993 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1995 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1999 pos = avio_tell(pb);
2000 avio_wb32(pb, 0); /* size placeholder*/
2001 ffio_wfourcc(pb, "uuid");
2002 ffio_wfourcc(pb, "USMT");
2003 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2004 avio_wb32(pb, 0xbb88695c);
2005 avio_wb32(pb, 0xfac9c740);
2007 pos2 = avio_tell(pb);
2008 avio_wb32(pb, 0); /* size placeholder*/
2009 ffio_wfourcc(pb, "MTDT");
2013 avio_wb16(pb, 0x0C); /* size */
2014 avio_wb32(pb, 0x0B); /* type */
2015 avio_wb16(pb, language_code("und")); /* language */
2016 avio_wb16(pb, 0x0); /* ? */
2017 avio_wb16(pb, 0x021C); /* data */
2019 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2020 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2021 // 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);
2022 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2024 update_size(pb, pos2);
2025 return update_size(pb, pos);
2031 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2035 int64_t pos = avio_tell(pb);
2036 avio_wb32(pb, 0); /* size placeholder*/
2037 ffio_wfourcc(pb, "moov");
2039 for (i=0; i<mov->nb_streams; i++) {
2040 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2043 mov->tracks[i].time = mov->time;
2044 mov->tracks[i].track_id = i+1;
2047 if (mov->chapter_track)
2048 for (i=0; i<s->nb_streams; i++) {
2049 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2050 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2052 for (i = 0; i < mov->nb_streams; i++) {
2053 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2054 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2055 mov->tracks[i].tref_id =
2056 mov->tracks[mov->tracks[i].src_track].track_id;
2060 mov_write_mvhd_tag(pb, mov);
2061 if (mov->mode != MODE_MOV && !mov->iods_skip)
2062 mov_write_iods_tag(pb, mov);
2063 for (i=0; i<mov->nb_streams; i++) {
2064 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2065 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2068 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2069 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2071 if (mov->mode == MODE_PSP)
2072 mov_write_uuidusmt_tag(pb, s);
2074 mov_write_udta_tag(pb, mov, s);
2076 return update_size(pb, pos);
2079 static void param_write_int(AVIOContext *pb, const char *name, int value)
2081 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2084 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2086 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2089 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2092 len = FFMIN(sizeof(buf)/2 - 1, len);
2093 ff_data_to_hex(buf, value, len, 0);
2095 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2098 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2100 uint16_t sps_size, pps_size, len;
2102 sps_size = AV_RB16(&enc->extradata[6]);
2103 if (11 + sps_size > enc->extradata_size)
2105 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2106 if (11 + sps_size + pps_size > enc->extradata_size)
2108 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2109 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2111 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2112 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2113 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2115 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2118 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2120 int64_t pos = avio_tell(pb);
2122 const uint8_t uuid[] = {
2123 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2124 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2128 ffio_wfourcc(pb, "uuid");
2129 avio_write(pb, uuid, sizeof(uuid));
2132 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2133 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2134 avio_printf(pb, "<head>\n");
2135 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2137 avio_printf(pb, "</head>\n");
2138 avio_printf(pb, "<body>\n");
2139 avio_printf(pb, "<switch>\n");
2140 for (i = 0; i < mov->nb_streams; i++) {
2141 MOVTrack *track = &mov->tracks[i];
2143 /* track->track_id is initialized in write_moov, and thus isn't known
2145 int track_id = i + 1;
2147 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2149 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2154 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2155 track->enc->bit_rate);
2156 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2157 param_write_int(pb, "trackID", track_id);
2158 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2159 if (track->enc->codec_id == CODEC_ID_H264 &&
2160 track->enc->extradata_size >= 11 &&
2161 track->enc->extradata[0] == 1) {
2162 write_h264_extradata(pb, track->enc);
2164 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2165 track->enc->extradata_size);
2167 if (track->enc->codec_id == CODEC_ID_H264) {
2168 param_write_string(pb, "FourCC", "H264");
2169 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2170 param_write_string(pb, "FourCC", "WVC1");
2172 param_write_int(pb, "MaxWidth", track->enc->width);
2173 param_write_int(pb, "MaxHeight", track->enc->height);
2174 param_write_int(pb, "DisplayWidth", track->enc->width);
2175 param_write_int(pb, "DisplayHeight", track->enc->height);
2177 if (track->enc->codec_id == CODEC_ID_AAC) {
2178 param_write_string(pb, "FourCC", "AACL");
2179 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2180 param_write_string(pb, "FourCC", "WMAP");
2182 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2183 track->enc->extradata_size);
2184 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2185 track->enc->codec_id));
2186 param_write_int(pb, "Channels", track->enc->channels);
2187 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2188 param_write_int(pb, "BitsPerSample", 16);
2189 param_write_int(pb, "PacketSize", track->enc->block_align ?
2190 track->enc->block_align : 4);
2192 avio_printf(pb, "</%s>\n", type);
2194 avio_printf(pb, "</switch>\n");
2195 avio_printf(pb, "</body>\n");
2196 avio_printf(pb, "</smil>\n");
2198 return update_size(pb, pos);
2201 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2204 ffio_wfourcc(pb, "mfhd");
2206 avio_wb32(pb, mov->fragments);
2210 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2211 int64_t moof_offset)
2213 int64_t pos = avio_tell(pb);
2214 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2215 MOV_TFHD_BASE_DATA_OFFSET;
2216 if (!track->entry) {
2217 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2219 flags |= MOV_TFHD_DEFAULT_FLAGS;
2222 /* Don't set a default sample size, the silverlight player refuses
2223 * to play files with that set. Don't set a default sample duration,
2224 * WMP freaks out if it is set. */
2225 if (track->mode == MODE_ISM)
2226 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2228 avio_wb32(pb, 0); /* size placeholder */
2229 ffio_wfourcc(pb, "tfhd");
2230 avio_w8(pb, 0); /* version */
2231 avio_wb24(pb, flags);
2233 avio_wb32(pb, track->track_id); /* track-id */
2234 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2235 avio_wb64(pb, moof_offset);
2236 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2237 track->default_duration = get_cluster_duration(track, 0);
2238 avio_wb32(pb, track->default_duration);
2240 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2241 track->default_size = track->entry ? track->cluster[0].size : 1;
2242 avio_wb32(pb, track->default_size);
2244 track->default_size = -1;
2246 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2247 track->default_sample_flags =
2248 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2249 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2250 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2251 avio_wb32(pb, track->default_sample_flags);
2254 return update_size(pb, pos);
2257 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2259 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2260 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2263 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2265 int64_t pos = avio_tell(pb);
2266 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2269 for (i = 0; i < track->entry; i++) {
2270 if (get_cluster_duration(track, i) != track->default_duration)
2271 flags |= MOV_TRUN_SAMPLE_DURATION;
2272 if (track->cluster[i].size != track->default_size)
2273 flags |= MOV_TRUN_SAMPLE_SIZE;
2274 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2275 flags |= MOV_TRUN_SAMPLE_FLAGS;
2277 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2278 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2279 if (track->flags & MOV_TRACK_CTTS)
2280 flags |= MOV_TRUN_SAMPLE_CTS;
2282 avio_wb32(pb, 0); /* size placeholder */
2283 ffio_wfourcc(pb, "trun");
2284 avio_w8(pb, 0); /* version */
2285 avio_wb24(pb, flags);
2287 avio_wb32(pb, track->entry); /* sample count */
2288 track->moof_size_offset = avio_tell(pb);
2289 avio_wb32(pb, 0); /* data offset */
2290 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2291 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2293 for (i = 0; i < track->entry; i++) {
2294 if (flags & MOV_TRUN_SAMPLE_DURATION)
2295 avio_wb32(pb, get_cluster_duration(track, i));
2296 if (flags & MOV_TRUN_SAMPLE_SIZE)
2297 avio_wb32(pb, track->cluster[i].size);
2298 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2299 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2300 if (flags & MOV_TRUN_SAMPLE_CTS)
2301 avio_wb32(pb, track->cluster[i].cts);
2304 return update_size(pb, pos);
2307 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2309 int64_t pos = avio_tell(pb);
2310 const uint8_t uuid[] = {
2311 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2312 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2315 avio_wb32(pb, 0); /* size placeholder */
2316 ffio_wfourcc(pb, "uuid");
2317 avio_write(pb, uuid, sizeof(uuid));
2320 avio_wb64(pb, track->frag_start);
2321 avio_wb64(pb, track->start_dts + track->track_duration -
2322 track->cluster[0].dts);
2324 return update_size(pb, pos);
2327 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2328 MOVTrack *track, int entry)
2330 int n = track->nb_frag_info - 1 - entry, i;
2331 int size = 8 + 16 + 4 + 1 + 16*n;
2332 const uint8_t uuid[] = {
2333 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2334 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2340 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2341 avio_wb32(pb, size);
2342 ffio_wfourcc(pb, "uuid");
2343 avio_write(pb, uuid, sizeof(uuid));
2347 for (i = 0; i < n; i++) {
2348 int index = entry + 1 + i;
2349 avio_wb64(pb, track->frag_info[index].time);
2350 avio_wb64(pb, track->frag_info[index].duration);
2352 if (n < mov->ism_lookahead) {
2353 int free_size = 16*(mov->ism_lookahead - n);
2354 avio_wb32(pb, free_size);
2355 ffio_wfourcc(pb, "free");
2356 for (i = 0; i < free_size - 8; i++)
2363 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2366 int64_t pos = avio_tell(pb);
2368 for (i = 0; i < mov->ism_lookahead; i++) {
2369 /* Update the tfrf tag for the last ism_lookahead fragments,
2370 * nb_frag_info - 1 is the next fragment to be written. */
2371 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2373 avio_seek(pb, pos, SEEK_SET);
2377 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2378 MOVTrack *track, int64_t moof_offset)
2380 int64_t pos = avio_tell(pb);
2381 avio_wb32(pb, 0); /* size placeholder */
2382 ffio_wfourcc(pb, "traf");
2384 mov_write_tfhd_tag(pb, track, moof_offset);
2385 mov_write_trun_tag(pb, track);
2386 if (mov->mode == MODE_ISM) {
2387 mov_write_tfxd_tag(pb, track);
2389 if (mov->ism_lookahead) {
2390 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2392 track->tfrf_offset = avio_tell(pb);
2393 avio_wb32(pb, 8 + size);
2394 ffio_wfourcc(pb, "free");
2395 for (i = 0; i < size; i++)
2400 return update_size(pb, pos);
2403 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2405 int64_t pos = avio_tell(pb), end;
2408 avio_wb32(pb, 0); /* size placeholder */
2409 ffio_wfourcc(pb, "moof");
2411 mov_write_mfhd_tag(pb, mov);
2412 for (i = 0; i < mov->nb_streams; i++) {
2413 MOVTrack *track = &mov->tracks[i];
2414 if (tracks >= 0 && i != tracks)
2418 mov_write_traf_tag(pb, mov, track, pos);
2421 end = avio_tell(pb);
2422 moof_size = end - pos;
2423 for (i = 0; i < mov->nb_streams; i++) {
2424 MOVTrack *track = &mov->tracks[i];
2425 if (tracks >= 0 && i != tracks)
2429 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2430 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2432 avio_seek(pb, end, SEEK_SET);
2434 return update_size(pb, pos);
2437 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2439 int64_t pos = avio_tell(pb);
2442 avio_wb32(pb, 0); /* size placeholder */
2443 ffio_wfourcc(pb, "tfra");
2444 avio_w8(pb, 1); /* version */
2447 avio_wb32(pb, track->track_id);
2448 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2449 avio_wb32(pb, track->nb_frag_info);
2450 for (i = 0; i < track->nb_frag_info; i++) {
2451 avio_wb64(pb, track->frag_info[i].time);
2452 avio_wb64(pb, track->frag_info[i].offset);
2453 avio_w8(pb, 1); /* traf number */
2454 avio_w8(pb, 1); /* trun number */
2455 avio_w8(pb, 1); /* sample number */
2458 return update_size(pb, pos);
2461 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2463 int64_t pos = avio_tell(pb);
2466 avio_wb32(pb, 0); /* size placeholder */
2467 ffio_wfourcc(pb, "mfra");
2468 /* An empty mfra atom is enough to indicate to the publishing point that
2469 * the stream has ended. */
2470 if (mov->flags & FF_MOV_FLAG_ISML)
2471 return update_size(pb, pos);
2473 for (i = 0; i < mov->nb_streams; i++) {
2474 MOVTrack *track = &mov->tracks[i];
2475 if (track->nb_frag_info)
2476 mov_write_tfra_tag(pb, track);
2480 ffio_wfourcc(pb, "mfro");
2481 avio_wb32(pb, 0); /* version + flags */
2482 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2484 return update_size(pb, pos);
2487 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2489 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2490 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2492 mov->mdat_pos = avio_tell(pb);
2493 avio_wb32(pb, 0); /* size placeholder*/
2494 ffio_wfourcc(pb, "mdat");
2498 /* TODO: This needs to be more general */
2499 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2501 MOVMuxContext *mov = s->priv_data;
2502 int64_t pos = avio_tell(pb);
2503 int has_h264 = 0, has_video = 0;
2507 for (i = 0; i < s->nb_streams; i++) {
2508 AVStream *st = s->streams[i];
2509 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2511 if (st->codec->codec_id == CODEC_ID_H264)
2515 avio_wb32(pb, 0); /* size */
2516 ffio_wfourcc(pb, "ftyp");
2518 if (mov->mode == MODE_3GP) {
2519 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2520 minor = has_h264 ? 0x100 : 0x200;
2521 } else if (mov->mode & MODE_3G2) {
2522 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2523 minor = has_h264 ? 0x20000 : 0x10000;
2524 }else if (mov->mode == MODE_PSP)
2525 ffio_wfourcc(pb, "MSNV");
2526 else if (mov->mode == MODE_MP4)
2527 ffio_wfourcc(pb, "isom");
2528 else if (mov->mode == MODE_IPOD)
2529 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2530 else if (mov->mode == MODE_ISM)
2531 ffio_wfourcc(pb, "isml");
2533 ffio_wfourcc(pb, "qt ");
2535 avio_wb32(pb, minor);
2537 if(mov->mode == MODE_MOV)
2538 ffio_wfourcc(pb, "qt ");
2539 else if (mov->mode == MODE_ISM) {
2540 ffio_wfourcc(pb, "piff");
2541 ffio_wfourcc(pb, "iso2");
2543 ffio_wfourcc(pb, "isom");
2544 ffio_wfourcc(pb, "iso2");
2546 ffio_wfourcc(pb, "avc1");
2549 if (mov->mode == MODE_3GP)
2550 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2551 else if (mov->mode & MODE_3G2)
2552 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2553 else if (mov->mode == MODE_PSP)
2554 ffio_wfourcc(pb, "MSNV");
2555 else if (mov->mode == MODE_MP4)
2556 ffio_wfourcc(pb, "mp41");
2557 return update_size(pb, pos);
2560 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2562 AVCodecContext *video_codec = s->streams[0]->codec;
2563 AVCodecContext *audio_codec = s->streams[1]->codec;
2564 int audio_rate = audio_codec->sample_rate;
2565 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2566 int audio_kbitrate = audio_codec->bit_rate / 1000;
2567 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2569 avio_wb32(pb, 0x94); /* size */
2570 ffio_wfourcc(pb, "uuid");
2571 ffio_wfourcc(pb, "PROF");
2573 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2574 avio_wb32(pb, 0xbb88695c);
2575 avio_wb32(pb, 0xfac9c740);
2577 avio_wb32(pb, 0x0); /* ? */
2578 avio_wb32(pb, 0x3); /* 3 sections ? */
2580 avio_wb32(pb, 0x14); /* size */
2581 ffio_wfourcc(pb, "FPRF");
2582 avio_wb32(pb, 0x0); /* ? */
2583 avio_wb32(pb, 0x0); /* ? */
2584 avio_wb32(pb, 0x0); /* ? */
2586 avio_wb32(pb, 0x2c); /* size */
2587 ffio_wfourcc(pb, "APRF");/* audio */
2589 avio_wb32(pb, 0x2); /* TrackID */
2590 ffio_wfourcc(pb, "mp4a");
2591 avio_wb32(pb, 0x20f);
2593 avio_wb32(pb, audio_kbitrate);
2594 avio_wb32(pb, audio_kbitrate);
2595 avio_wb32(pb, audio_rate);
2596 avio_wb32(pb, audio_codec->channels);
2598 avio_wb32(pb, 0x34); /* size */
2599 ffio_wfourcc(pb, "VPRF"); /* video */
2601 avio_wb32(pb, 0x1); /* TrackID */
2602 if (video_codec->codec_id == CODEC_ID_H264) {
2603 ffio_wfourcc(pb, "avc1");
2604 avio_wb16(pb, 0x014D);
2605 avio_wb16(pb, 0x0015);
2607 ffio_wfourcc(pb, "mp4v");
2608 avio_wb16(pb, 0x0000);
2609 avio_wb16(pb, 0x0103);
2612 avio_wb32(pb, video_kbitrate);
2613 avio_wb32(pb, video_kbitrate);
2614 avio_wb32(pb, frame_rate);
2615 avio_wb32(pb, frame_rate);
2616 avio_wb16(pb, video_codec->width);
2617 avio_wb16(pb, video_codec->height);
2618 avio_wb32(pb, 0x010001); /* ? */
2621 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2624 int i, closed_gop = 0;
2626 for (i = 0; i < pkt->size - 4; i++) {
2627 c = (c<<8) + pkt->data[i];
2628 if (c == 0x1b8) { // gop
2629 closed_gop = pkt->data[i+4]>>6 & 0x01;
2630 } else if (c == 0x100) { // pic
2631 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2632 if (!temp_ref || closed_gop) // I picture is not reordered
2633 *flags = MOV_SYNC_SAMPLE;
2635 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2642 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2644 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2645 int seq = 0, entry = 0;
2646 int key = pkt->flags & AV_PKT_FLAG_KEY;
2647 start = find_next_marker(pkt->data, end);
2648 for (next = start; next < end; start = next) {
2649 next = find_next_marker(start + 4, end);
2650 switch (AV_RB32(start)) {
2651 case VC1_CODE_SEQHDR:
2654 case VC1_CODE_ENTRYPOINT:
2657 case VC1_CODE_SLICE:
2658 trk->vc1_info.slices = 1;
2662 if (!trk->entry && !fragment) {
2663 /* First packet in first fragment */
2664 trk->vc1_info.first_packet_seq = seq;
2665 trk->vc1_info.first_packet_entry = entry;
2666 } else if ((seq && !trk->vc1_info.packet_seq) ||
2667 (entry && !trk->vc1_info.packet_entry)) {
2669 for (i = 0; i < trk->entry; i++)
2670 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2671 trk->has_keyframes = 0;
2673 trk->vc1_info.packet_seq = 1;
2675 trk->vc1_info.packet_entry = 1;
2677 /* First fragment */
2678 if ((!seq || trk->vc1_info.first_packet_seq) &&
2679 (!entry || trk->vc1_info.first_packet_entry)) {
2680 /* First packet had the same headers as this one, readd the
2681 * sync sample flag. */
2682 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2683 trk->has_keyframes = 1;
2687 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2689 else if (trk->vc1_info.packet_seq)
2691 else if (trk->vc1_info.packet_entry)
2694 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2695 trk->has_keyframes++;
2699 static int mov_flush_fragment(AVFormatContext *s)
2701 MOVMuxContext *mov = s->priv_data;
2702 int i, first_track = -1;
2703 int64_t mdat_size = 0;
2705 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2708 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2709 int64_t pos = avio_tell(s->pb);
2711 AVIOContext *moov_buf;
2715 for (i = 0; i < mov->nb_streams; i++)
2716 if (!mov->tracks[i].entry)
2718 /* Don't write the initial moov unless all tracks have data */
2719 if (i < mov->nb_streams)
2722 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2724 mov_write_moov_tag(moov_buf, mov, s);
2725 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2727 for (i = 0; i < mov->nb_streams; i++)
2728 mov->tracks[i].data_offset = pos + buf_size + 8;
2730 mov_write_moov_tag(s->pb, mov, s);
2732 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2733 mov->mdat_buf = NULL;
2734 avio_wb32(s->pb, buf_size + 8);
2735 ffio_wfourcc(s->pb, "mdat");
2736 avio_write(s->pb, buf, buf_size);
2741 for (i = 0; i < mov->nb_streams; i++) {
2742 if (mov->tracks[i].entry)
2743 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2744 mov->tracks[i].track_duration -
2745 mov->tracks[i].cluster[0].dts;
2746 mov->tracks[i].entry = 0;
2752 for (i = 0; i < mov->nb_streams; i++) {
2753 MOVTrack *track = &mov->tracks[i];
2754 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2755 track->data_offset = 0;
2757 track->data_offset = mdat_size;
2758 if (!track->mdat_buf)
2760 mdat_size += avio_tell(track->mdat_buf);
2761 if (first_track < 0)
2768 for (i = 0; i < mov->nb_streams; i++) {
2769 MOVTrack *track = &mov->tracks[i];
2770 int buf_size, write_moof = 1, moof_tracks = -1;
2772 int64_t duration = 0;
2775 duration = track->start_dts + track->track_duration -
2776 track->cluster[0].dts;
2777 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2778 if (!track->mdat_buf)
2780 mdat_size = avio_tell(track->mdat_buf);
2783 write_moof = i == first_track;
2787 MOVFragmentInfo *info;
2789 track->nb_frag_info++;
2790 track->frag_info = av_realloc(track->frag_info,
2791 sizeof(*track->frag_info) *
2792 track->nb_frag_info);
2793 info = &track->frag_info[track->nb_frag_info - 1];
2794 info->offset = avio_tell(s->pb);
2795 info->time = mov->tracks[i].frag_start;
2796 info->duration = duration;
2797 mov_write_tfrf_tags(s->pb, mov, track);
2799 mov_write_moof_tag(s->pb, mov, moof_tracks);
2800 info->tfrf_offset = track->tfrf_offset;
2803 avio_wb32(s->pb, mdat_size + 8);
2804 ffio_wfourcc(s->pb, "mdat");
2808 track->frag_start += duration;
2810 if (!track->mdat_buf)
2812 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2813 track->mdat_buf = NULL;
2815 avio_write(s->pb, buf, buf_size);
2825 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2827 MOVMuxContext *mov = s->priv_data;
2828 AVIOContext *pb = s->pb;
2829 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2830 AVCodecContext *enc = trk->enc;
2831 unsigned int samples_in_chunk = 0;
2832 int size= pkt->size;
2833 uint8_t *reformatted_data = NULL;
2835 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2836 return 0; /* Can't handle that */
2838 if (!size) return 0; /* Discard 0 sized packets */
2840 if ((mov->max_fragment_duration && trk->entry &&
2841 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2842 s->streams[pkt->stream_index]->time_base,
2843 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2844 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2845 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2846 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2847 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2848 mov_flush_fragment(s);
2851 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2853 if (mov->fragments > 0) {
2854 if (!trk->mdat_buf) {
2855 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2860 if (!mov->mdat_buf) {
2861 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2868 if (enc->codec_id == CODEC_ID_AMR_NB) {
2869 /* We must find out how many AMR blocks there are in one packet */
2870 static uint16_t packed_size[16] =
2871 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2874 while (len < size && samples_in_chunk < 100) {
2875 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2878 if (samples_in_chunk > 1) {
2879 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2882 } else if (trk->sample_size)
2883 samples_in_chunk = size / trk->sample_size;
2885 samples_in_chunk = 1;
2887 /* copy extradata if it exists */
2888 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2889 trk->vos_len = enc->extradata_size;
2890 trk->vos_data = av_malloc(trk->vos_len);
2891 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2894 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2895 /* from x264 or from bytestream h264 */
2896 /* nal reformating needed */
2897 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2898 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2900 avio_write(pb, reformatted_data, size);
2902 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2905 avio_write(pb, pkt->data, size);
2908 if ((enc->codec_id == CODEC_ID_DNXHD ||
2909 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2910 /* copy frame to create needed atoms */
2911 trk->vos_len = size;
2912 trk->vos_data = av_malloc(size);
2914 return AVERROR(ENOMEM);
2915 memcpy(trk->vos_data, pkt->data, size);
2918 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2919 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2924 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2925 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2926 trk->cluster[trk->entry].size = size;
2927 trk->cluster[trk->entry].entries = samples_in_chunk;
2928 trk->cluster[trk->entry].dts = pkt->dts;
2929 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2930 /* First packet of a new fragment. We already wrote the duration
2931 * of the last packet of the previous fragment based on track_duration,
2932 * which might not exactly match our dts. Therefore adjust the dts
2933 * of this packet to be what the previous packets duration implies. */
2934 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2936 if (trk->start_dts == AV_NOPTS_VALUE)
2937 trk->start_dts = pkt->dts;
2938 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2940 if (pkt->pts == AV_NOPTS_VALUE) {
2941 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2942 pkt->pts = pkt->dts;
2944 if (pkt->dts != pkt->pts)
2945 trk->flags |= MOV_TRACK_CTTS;
2946 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2947 trk->cluster[trk->entry].flags = 0;
2948 if (enc->codec_id == CODEC_ID_VC1) {
2949 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2950 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2951 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2952 trk->entry > 0) { // force sync sample for the first key frame
2953 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2954 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2955 trk->flags |= MOV_TRACK_STPS;
2957 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2959 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2960 trk->has_keyframes++;
2963 trk->sample_count += samples_in_chunk;
2964 mov->mdat_size += size;
2968 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2969 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2970 reformatted_data, size);
2971 av_free(reformatted_data);
2975 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2978 mov_flush_fragment(s);
2981 return mov_write_packet_internal(s, pkt);
2985 // QuickTime chapters involve an additional text track with the chapter names
2986 // as samples, and a tref pointing from the other tracks to the chapter one.
2987 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2989 MOVMuxContext *mov = s->priv_data;
2990 MOVTrack *track = &mov->tracks[tracknum];
2991 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2994 track->mode = mov->mode;
2995 track->tag = MKTAG('t','e','x','t');
2996 track->timescale = MOV_TIMESCALE;
2997 track->enc = avcodec_alloc_context3(NULL);
2998 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3000 for (i = 0; i < s->nb_chapters; i++) {
3001 AVChapter *c = s->chapters[i];
3002 AVDictionaryEntry *t;
3004 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3005 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3006 pkt.duration = end - pkt.dts;
3008 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3009 len = strlen(t->value);
3011 pkt.data = av_malloc(pkt.size);
3012 AV_WB16(pkt.data, len);
3013 memcpy(pkt.data+2, t->value, len);
3014 ff_mov_write_packet(s, &pkt);
3015 av_freep(&pkt.data);
3020 static int mov_write_header(AVFormatContext *s)
3022 AVIOContext *pb = s->pb;
3023 MOVMuxContext *mov = s->priv_data;
3024 AVDictionaryEntry *t;
3025 int i, hint_track = 0;
3027 /* Set the FRAGMENT flag if any of the fragmentation methods are
3029 if (mov->max_fragment_duration || mov->max_fragment_size ||
3030 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3031 FF_MOV_FLAG_FRAG_KEYFRAME |
3032 FF_MOV_FLAG_FRAG_CUSTOM))
3033 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3035 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3036 * is enabled, we don't support non-seekable output at all. */
3037 if (!s->pb->seekable &&
3038 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3039 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3040 || mov->ism_lookahead)) {
3041 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3045 /* Default mode == MP4 */
3046 mov->mode = MODE_MP4;
3048 if (s->oformat != NULL) {
3049 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3050 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3051 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3052 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3053 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3054 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3056 mov_write_ftyp_tag(pb,s);
3057 if (mov->mode == MODE_PSP) {
3058 if (s->nb_streams != 2) {
3059 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3062 mov_write_uuidprof_tag(pb,s);
3066 mov->nb_streams = s->nb_streams;
3067 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3068 mov->chapter_track = mov->nb_streams++;
3070 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3071 /* Add hint tracks for each audio and video stream */
3072 hint_track = mov->nb_streams;
3073 for (i = 0; i < s->nb_streams; i++) {
3074 AVStream *st = s->streams[i];
3075 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3076 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3082 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3084 return AVERROR(ENOMEM);
3086 for(i=0; i<s->nb_streams; i++){
3087 AVStream *st= s->streams[i];
3088 MOVTrack *track= &mov->tracks[i];
3089 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3091 track->enc = st->codec;
3092 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3093 if (track->language < 0)
3094 track->language = 0;
3095 track->mode = mov->mode;
3096 track->tag = mov_find_codec_tag(s, track);
3098 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3099 "codec not currently supported in container\n", i);
3102 /* If hinting of this track is enabled by a later hint track,
3103 * this is updated. */
3104 track->hint_track = -1;
3105 track->start_dts = AV_NOPTS_VALUE;
3106 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3107 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3108 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3109 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3110 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3111 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3114 track->height = track->tag>>24 == 'n' ? 486 : 576;
3116 track->timescale = st->codec->time_base.den;
3117 if (track->mode == MODE_MOV && track->timescale > 100000)
3118 av_log(s, AV_LOG_WARNING,
3119 "WARNING codec timebase is very high. If duration is too long,\n"
3120 "file may not be playable by quicktime. Specify a shorter timebase\n"
3121 "or choose different container.\n");
3122 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3123 track->timescale = st->codec->sample_rate;
3124 /* set sample_size for PCM and ADPCM */
3125 if (av_get_bits_per_sample(st->codec->codec_id)) {
3126 if (!st->codec->block_align) {
3127 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3130 track->sample_size = st->codec->block_align;
3132 /* set audio_vbr for compressed audio */
3133 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3134 track->audio_vbr = 1;
3136 if (track->mode != MODE_MOV) {
3137 if (track->timescale > UINT16_MAX) {
3138 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3139 "sample rate %dhz\n", i, track->timescale);
3142 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3143 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3144 i, track->enc->sample_rate);
3148 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3149 track->timescale = st->codec->time_base.den;
3152 track->height = st->codec->height;
3153 /* The ism specific timescale isn't mandatory, but is assumed by
3154 * some tools, such as mp4split. */
3155 if (mov->mode == MODE_ISM)
3156 track->timescale = 10000000;
3158 avpriv_set_pts_info(st, 64, 1, track->timescale);
3160 /* copy extradata if it exists */
3161 if (st->codec->extradata_size) {
3162 track->vos_len = st->codec->extradata_size;
3163 track->vos_data = av_malloc(track->vos_len);
3164 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3168 if (mov->mode == MODE_ISM) {
3169 /* If no fragmentation options have been set, set a default. */
3170 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3171 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3172 !mov->max_fragment_duration && !mov->max_fragment_size)
3173 mov->max_fragment_duration = 5000000;
3174 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3175 FF_MOV_FLAG_FRAGMENT;
3178 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3179 mov_write_mdat_tag(pb, mov);
3181 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3182 mov->time = ff_iso8601_to_unix_time(t->value);
3184 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3186 if (mov->chapter_track)
3187 mov_create_chapter_track(s, mov->chapter_track);
3189 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3190 /* Initialize the hint tracks for each audio and video stream */
3191 for (i = 0; i < s->nb_streams; i++) {
3192 AVStream *st = s->streams[i];
3193 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3194 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3195 ff_mov_init_hinting(s, hint_track, i);
3203 if (mov->flags & FF_MOV_FLAG_ISML)
3204 mov_write_isml_manifest(pb, mov);
3206 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3207 mov_write_moov_tag(pb, mov, s);
3213 av_freep(&mov->tracks);
3217 static int mov_write_trailer(AVFormatContext *s)
3219 MOVMuxContext *mov = s->priv_data;
3220 AVIOContext *pb = s->pb;
3224 int64_t moov_pos = avio_tell(pb);
3226 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3227 /* Write size of mdat tag */
3228 if (mov->mdat_size + 8 <= UINT32_MAX) {
3229 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3230 avio_wb32(pb, mov->mdat_size + 8);
3232 /* overwrite 'wide' placeholder atom */
3233 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3234 /* special value: real atom size will be 64 bit value after
3237 ffio_wfourcc(pb, "mdat");
3238 avio_wb64(pb, mov->mdat_size + 16);
3240 avio_seek(pb, moov_pos, SEEK_SET);
3242 mov_write_moov_tag(pb, mov, s);
3244 mov_flush_fragment(s);
3245 mov_write_mfra_tag(pb, mov);
3248 if (mov->chapter_track)
3249 av_freep(&mov->tracks[mov->chapter_track].enc);
3251 for (i=0; i<mov->nb_streams; i++) {
3252 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3253 ff_mov_close_hinting(&mov->tracks[i]);
3254 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3255 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3256 int64_t off = avio_tell(pb);
3258 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3259 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3260 avio_write(pb, buf, 7);
3261 avio_seek(pb, off, SEEK_SET);
3264 av_freep(&mov->tracks[i].cluster);
3265 av_freep(&mov->tracks[i].frag_info);
3267 if (mov->tracks[i].vos_len)
3268 av_free(mov->tracks[i].vos_data);
3274 av_freep(&mov->tracks);
3279 #if CONFIG_MOV_MUXER
3281 AVOutputFormat ff_mov_muxer = {
3283 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3284 .extensions = "mov",
3285 .priv_data_size = sizeof(MOVMuxContext),
3286 .audio_codec = CODEC_ID_AAC,
3287 #if CONFIG_LIBX264_ENCODER
3288 .video_codec = CODEC_ID_H264,
3290 .video_codec = CODEC_ID_MPEG4,
3292 .write_header = mov_write_header,
3293 .write_packet = ff_mov_write_packet,
3294 .write_trailer = mov_write_trailer,
3295 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3296 .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
3297 .priv_class = &mov_muxer_class,
3300 #if CONFIG_TGP_MUXER
3302 AVOutputFormat ff_tgp_muxer = {
3304 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3305 .extensions = "3gp",
3306 .priv_data_size = sizeof(MOVMuxContext),
3307 .audio_codec = CODEC_ID_AMR_NB,
3308 .video_codec = CODEC_ID_H263,
3309 .write_header = mov_write_header,
3310 .write_packet = ff_mov_write_packet,
3311 .write_trailer = mov_write_trailer,
3312 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3313 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3314 .priv_class = &tgp_muxer_class,
3317 #if CONFIG_MP4_MUXER
3319 AVOutputFormat ff_mp4_muxer = {
3321 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3322 .mime_type = "application/mp4",
3323 .extensions = "mp4",
3324 .priv_data_size = sizeof(MOVMuxContext),
3325 .audio_codec = CODEC_ID_AAC,
3326 #if CONFIG_LIBX264_ENCODER
3327 .video_codec = CODEC_ID_H264,
3329 .video_codec = CODEC_ID_MPEG4,
3331 .write_header = mov_write_header,
3332 .write_packet = ff_mov_write_packet,
3333 .write_trailer = mov_write_trailer,
3334 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3335 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3336 .priv_class = &mp4_muxer_class,
3339 #if CONFIG_PSP_MUXER
3341 AVOutputFormat ff_psp_muxer = {
3343 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3344 .extensions = "mp4,psp",
3345 .priv_data_size = sizeof(MOVMuxContext),
3346 .audio_codec = CODEC_ID_AAC,
3347 #if CONFIG_LIBX264_ENCODER
3348 .video_codec = CODEC_ID_H264,
3350 .video_codec = CODEC_ID_MPEG4,
3352 .write_header = mov_write_header,
3353 .write_packet = ff_mov_write_packet,
3354 .write_trailer = mov_write_trailer,
3355 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3356 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3357 .priv_class = &psp_muxer_class,
3360 #if CONFIG_TG2_MUXER
3362 AVOutputFormat ff_tg2_muxer = {
3364 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3365 .extensions = "3g2",
3366 .priv_data_size = sizeof(MOVMuxContext),
3367 .audio_codec = CODEC_ID_AMR_NB,
3368 .video_codec = CODEC_ID_H263,
3369 .write_header = mov_write_header,
3370 .write_packet = ff_mov_write_packet,
3371 .write_trailer = mov_write_trailer,
3372 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3373 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3374 .priv_class = &tg2_muxer_class,
3377 #if CONFIG_IPOD_MUXER
3379 AVOutputFormat ff_ipod_muxer = {
3381 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3382 .mime_type = "application/mp4",
3383 .extensions = "m4v,m4a",
3384 .priv_data_size = sizeof(MOVMuxContext),
3385 .audio_codec = CODEC_ID_AAC,
3386 .video_codec = CODEC_ID_H264,
3387 .write_header = mov_write_header,
3388 .write_packet = ff_mov_write_packet,
3389 .write_trailer = mov_write_trailer,
3390 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3391 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3392 .priv_class = &ipod_muxer_class,
3395 #if CONFIG_ISMV_MUXER
3397 AVOutputFormat ff_ismv_muxer = {
3399 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3400 .mime_type = "application/mp4",
3401 .extensions = "ismv,isma",
3402 .priv_data_size = sizeof(MOVMuxContext),
3403 .audio_codec = CODEC_ID_AAC,
3404 .video_codec = CODEC_ID_H264,
3405 .write_header = mov_write_header,
3406 .write_packet = ff_mov_write_packet,
3407 .write_trailer = mov_write_trailer,
3408 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3409 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3410 .priv_class = &ismv_muxer_class,