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 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
65 #define MOV_CLASS(flavor)\
66 static const AVClass flavor ## _muxer_class = {\
67 .class_name = #flavor " muxer",\
68 .item_name = av_default_item_name,\
70 .version = LIBAVUTIL_VERSION_INT,\
73 //FIXME support 64 bit variant with wide placeholders
74 static int64_t update_size(AVIOContext *pb, int64_t pos)
76 int64_t curpos = avio_tell(pb);
77 avio_seek(pb, pos, SEEK_SET);
78 avio_wb32(pb, curpos - pos); /* rewrite size */
79 avio_seek(pb, curpos, SEEK_SET);
84 /* Chunk offset atom */
85 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
88 int mode64 = 0; // use 32 bit size variant if possible
89 int64_t pos = avio_tell(pb);
90 avio_wb32(pb, 0); /* size */
91 if (pos > UINT32_MAX) {
93 ffio_wfourcc(pb, "co64");
95 ffio_wfourcc(pb, "stco");
96 avio_wb32(pb, 0); /* version & flags */
97 avio_wb32(pb, track->entry); /* entry count */
98 for (i=0; i<track->entry; i++) {
100 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
102 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
104 return update_size(pb, pos);
107 /* Sample size atom */
108 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
111 int i, j, entries = 0, tst = -1, oldtst = -1;
113 int64_t pos = avio_tell(pb);
114 avio_wb32(pb, 0); /* size */
115 ffio_wfourcc(pb, "stsz");
116 avio_wb32(pb, 0); /* version & flags */
118 for (i=0; i<track->entry; i++) {
119 tst = track->cluster[i].size/track->cluster[i].entries;
120 if(oldtst != -1 && tst != oldtst) {
124 entries += track->cluster[i].entries;
126 if (equalChunks && track->entry) {
127 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
128 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
129 avio_wb32(pb, sSize); // sample size
130 avio_wb32(pb, entries); // sample count
133 avio_wb32(pb, 0); // sample size
134 avio_wb32(pb, entries); // sample count
135 for (i=0; i<track->entry; i++) {
136 for (j=0; j<track->cluster[i].entries; j++) {
137 avio_wb32(pb, track->cluster[i].size /
138 track->cluster[i].entries);
142 return update_size(pb, pos);
145 /* Sample to chunk atom */
146 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
148 int index = 0, oldval = -1, i;
149 int64_t entryPos, curpos;
151 int64_t pos = avio_tell(pb);
152 avio_wb32(pb, 0); /* size */
153 ffio_wfourcc(pb, "stsc");
154 avio_wb32(pb, 0); // version & flags
155 entryPos = avio_tell(pb);
156 avio_wb32(pb, track->entry); // entry count
157 for (i=0; i<track->entry; i++) {
158 if (oldval != track->cluster[i].samples_in_chunk)
160 avio_wb32(pb, i+1); // first chunk
161 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
162 avio_wb32(pb, 0x1); // sample description index
163 oldval = track->cluster[i].samples_in_chunk;
167 curpos = avio_tell(pb);
168 avio_seek(pb, entryPos, SEEK_SET);
169 avio_wb32(pb, index); // rewrite size
170 avio_seek(pb, curpos, SEEK_SET);
172 return update_size(pb, pos);
175 /* Sync sample atom */
176 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
178 int64_t curpos, entryPos;
180 int64_t pos = avio_tell(pb);
181 avio_wb32(pb, 0); // size
182 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
183 avio_wb32(pb, 0); // version & flags
184 entryPos = avio_tell(pb);
185 avio_wb32(pb, track->entry); // entry count
186 for (i=0; i<track->entry; i++) {
187 if (track->cluster[i].flags & flag) {
192 curpos = avio_tell(pb);
193 avio_seek(pb, entryPos, SEEK_SET);
194 avio_wb32(pb, index); // rewrite size
195 avio_seek(pb, curpos, SEEK_SET);
196 return update_size(pb, pos);
199 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
201 avio_wb32(pb, 0x11); /* size */
202 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
203 else ffio_wfourcc(pb, "damr");
204 ffio_wfourcc(pb, "FFMP");
205 avio_w8(pb, 0); /* decoder version */
207 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
208 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
209 avio_w8(pb, 0x01); /* Frames per sample */
213 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
218 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
220 if (track->vos_len < 7)
224 ffio_wfourcc(pb, "dac3");
226 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
227 fscod = get_bits(&gbc, 2);
228 frmsizecod = get_bits(&gbc, 6);
229 bsid = get_bits(&gbc, 5);
230 bsmod = get_bits(&gbc, 3);
231 acmod = get_bits(&gbc, 3);
233 skip_bits(&gbc, 2); // dsurmod
235 if ((acmod & 1) && acmod != 1)
236 skip_bits(&gbc, 2); // cmixlev
238 skip_bits(&gbc, 2); // surmixlev
240 lfeon = get_bits1(&gbc);
242 init_put_bits(&pbc, buf, sizeof(buf));
243 put_bits(&pbc, 2, fscod);
244 put_bits(&pbc, 5, bsid);
245 put_bits(&pbc, 3, bsmod);
246 put_bits(&pbc, 3, acmod);
247 put_bits(&pbc, 1, lfeon);
248 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
249 put_bits(&pbc, 5, 0); // reserved
251 flush_put_bits(&pbc);
252 avio_write(pb, buf, sizeof(buf));
258 * This function writes extradata "as is".
259 * Extradata must be formatted like a valid atom (with size and tag).
261 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
263 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
264 return track->enc->extradata_size;
267 static int mov_write_enda_tag(AVIOContext *pb)
270 ffio_wfourcc(pb, "enda");
271 avio_wb16(pb, 1); /* little endian */
275 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
280 avio_w8(pb, (size>>(7*i)) | 0x80);
281 avio_w8(pb, size & 0x7F);
284 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
286 int64_t pos = avio_tell(pb);
287 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
289 avio_wb32(pb, 0); // size
290 ffio_wfourcc(pb, "esds");
291 avio_wb32(pb, 0); // Version
294 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
295 avio_wb16(pb, track->track_id);
296 avio_w8(pb, 0x00); // flags (= no flags)
298 // DecoderConfig descriptor
299 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
301 // Object type indication
302 if ((track->enc->codec_id == CODEC_ID_MP2 ||
303 track->enc->codec_id == CODEC_ID_MP3) &&
304 track->enc->sample_rate > 24000)
305 avio_w8(pb, 0x6B); // 11172-3
307 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
309 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
310 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
311 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
312 avio_w8(pb, 0x15); // flags (= Audiostream)
314 avio_w8(pb, 0x11); // flags (= Visualstream)
316 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
317 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
319 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
320 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
321 avio_wb32(pb, 0); // vbr
323 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
325 if (track->vos_len) {
326 // DecoderSpecific info descriptor
327 put_descr(pb, 0x05, track->vos_len);
328 avio_write(pb, track->vos_data, track->vos_len);
332 put_descr(pb, 0x06, 1);
334 return update_size(pb, pos);
337 static int mov_pcm_le_gt16(enum CodecID codec_id)
339 return codec_id == CODEC_ID_PCM_S24LE ||
340 codec_id == CODEC_ID_PCM_S32LE ||
341 codec_id == CODEC_ID_PCM_F32LE ||
342 codec_id == CODEC_ID_PCM_F64LE;
345 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
347 int64_t pos = avio_tell(pb);
349 avio_wl32(pb, track->tag); // store it byteswapped
350 track->enc->codec_tag = av_bswap16(track->tag >> 16);
351 ff_put_wav_header(pb, track->enc);
352 return update_size(pb, pos);
355 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
357 int64_t pos = avio_tell(pb);
359 ffio_wfourcc(pb, "wfex");
360 ff_put_wav_header(pb, track->enc);
361 return update_size(pb, pos);
364 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
366 uint32_t layout_tag, bitmap;
367 int64_t pos = avio_tell(pb);
369 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
370 track->enc->channel_layout,
373 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
374 "lack of channel information\n");
378 avio_wb32(pb, 0); // Size
379 ffio_wfourcc(pb, "chan"); // Type
380 avio_w8(pb, 0); // Version
381 avio_wb24(pb, 0); // Flags
382 avio_wb32(pb, layout_tag); // mChannelLayoutTag
383 avio_wb32(pb, bitmap); // mChannelBitmap
384 avio_wb32(pb, 0); // mNumberChannelDescriptions
386 return update_size(pb, pos);
389 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
391 int64_t pos = avio_tell(pb);
393 avio_wb32(pb, 0); /* size */
394 ffio_wfourcc(pb, "wave");
396 avio_wb32(pb, 12); /* size */
397 ffio_wfourcc(pb, "frma");
398 avio_wl32(pb, track->tag);
400 if (track->enc->codec_id == CODEC_ID_AAC) {
401 /* useless atom needed by mplayer, ipod, not needed by quicktime */
402 avio_wb32(pb, 12); /* size */
403 ffio_wfourcc(pb, "mp4a");
405 mov_write_esds_tag(pb, track);
406 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
407 mov_write_enda_tag(pb);
408 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
409 mov_write_amr_tag(pb, track);
410 } else if (track->enc->codec_id == CODEC_ID_AC3) {
411 mov_write_chan_tag(pb, track);
412 mov_write_ac3_tag(pb, track);
413 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
414 mov_write_extradata_tag(pb, track);
415 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
416 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
417 mov_write_ms_tag(pb, track);
420 avio_wb32(pb, 8); /* size */
421 avio_wb32(pb, 0); /* null tag */
423 return update_size(pb, pos);
426 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
429 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
430 int unescaped_size, seq_found = 0;
431 int level = 0, interlace = 0;
432 int packet_seq = track->vc1_info.packet_seq;
433 int packet_entry = track->vc1_info.packet_entry;
434 int slices = track->vc1_info.slices;
437 if (track->start_dts == AV_NOPTS_VALUE) {
438 /* No packets written yet, vc1_info isn't authoritative yet. */
439 /* Assume inline sequence and entry headers. This will be
440 * overwritten at the end if the file is seekable. */
441 packet_seq = packet_entry = 1;
444 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
446 return AVERROR(ENOMEM);
447 start = find_next_marker(track->vos_data, end);
448 for (next = start; next < end; start = next) {
451 next = find_next_marker(start + 4, end);
452 size = next - start - 4;
455 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
456 init_get_bits(&gb, unescaped, 8 * unescaped_size);
457 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
458 int profile = get_bits(&gb, 2);
459 if (profile != PROFILE_ADVANCED) {
461 return AVERROR(ENOSYS);
464 level = get_bits(&gb, 3);
465 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
467 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
468 skip_bits(&gb, 1); /* broadcast */
469 interlace = get_bits1(&gb);
470 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
475 return AVERROR(ENOSYS);
478 init_put_bits(&pbc, buf, 7);
479 /* VC1DecSpecStruc */
480 put_bits(&pbc, 4, 12); /* profile - advanced */
481 put_bits(&pbc, 3, level);
482 put_bits(&pbc, 1, 0); /* reserved */
483 /* VC1AdvDecSpecStruc */
484 put_bits(&pbc, 3, level);
485 put_bits(&pbc, 1, 0); /* cbr */
486 put_bits(&pbc, 6, 0); /* reserved */
487 put_bits(&pbc, 1, !interlace); /* no interlace */
488 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
489 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
490 put_bits(&pbc, 1, !slices); /* no slice code */
491 put_bits(&pbc, 1, 0); /* no bframe */
492 put_bits(&pbc, 1, 0); /* reserved */
493 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
494 flush_put_bits(&pbc);
501 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
503 uint8_t buf[7] = { 0 };
506 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
509 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
510 ffio_wfourcc(pb, "dvc1");
511 track->vc1_info.struct_offset = avio_tell(pb);
512 avio_write(pb, buf, sizeof(buf));
513 avio_write(pb, track->vos_data, track->vos_len);
518 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
520 avio_wb32(pb, track->vos_len + 8);
521 ffio_wfourcc(pb, "glbl");
522 avio_write(pb, track->vos_data, track->vos_len);
523 return 8 + track->vos_len;
527 * Compute flags for 'lpcm' tag.
528 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
530 static int mov_get_lpcm_flags(enum CodecID codec_id)
533 case CODEC_ID_PCM_F32BE:
534 case CODEC_ID_PCM_F64BE:
536 case CODEC_ID_PCM_F32LE:
537 case CODEC_ID_PCM_F64LE:
539 case CODEC_ID_PCM_U8:
541 case CODEC_ID_PCM_S16BE:
542 case CODEC_ID_PCM_S24BE:
543 case CODEC_ID_PCM_S32BE:
545 case CODEC_ID_PCM_S8:
546 case CODEC_ID_PCM_S16LE:
547 case CODEC_ID_PCM_S24LE:
548 case CODEC_ID_PCM_S32LE:
555 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
559 if (cluster_idx >= track->entry)
562 if (cluster_idx + 1 == track->entry)
563 next_dts = track->track_duration + track->start_dts;
565 next_dts = track->cluster[cluster_idx + 1].dts;
567 return next_dts - track->cluster[cluster_idx].dts;
570 static int get_samples_per_packet(MOVTrack *track)
572 int i, first_duration;
574 /* use 1 for raw PCM */
575 if (!track->audio_vbr)
578 /* check to see if duration is constant for all clusters */
581 first_duration = get_cluster_duration(track, 0);
582 for (i = 1; i < track->entry; i++) {
583 if (get_cluster_duration(track, i) != first_duration)
586 return first_duration;
589 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
591 int64_t pos = avio_tell(pb);
593 uint32_t tag = track->tag;
595 if (track->mode == MODE_MOV) {
596 if (mov_get_lpcm_flags(track->enc->codec_id))
597 tag = AV_RL32("lpcm");
601 avio_wb32(pb, 0); /* size */
602 avio_wl32(pb, tag); // store it byteswapped
603 avio_wb32(pb, 0); /* Reserved */
604 avio_wb16(pb, 0); /* Reserved */
605 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
607 /* SoundDescription */
608 avio_wb16(pb, version); /* Version */
609 avio_wb16(pb, 0); /* Revision level */
610 avio_wb32(pb, 0); /* Reserved */
615 avio_wb16(pb, 0xfffe);
617 avio_wb32(pb, 0x00010000);
619 avio_wb64(pb, av_double2int(track->enc->sample_rate));
620 avio_wb32(pb, track->enc->channels);
621 avio_wb32(pb, 0x7F000000);
622 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
623 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
624 avio_wb32(pb, track->sample_size);
625 avio_wb32(pb, get_samples_per_packet(track));
627 /* reserved for mp4/3gp */
632 avio_wb16(pb, 0); /* packet size (= 0) */
633 avio_wb16(pb, track->enc->sample_rate);
634 avio_wb16(pb, 0); /* Reserved */
637 if(track->mode == MODE_MOV &&
638 (track->enc->codec_id == CODEC_ID_AAC ||
639 track->enc->codec_id == CODEC_ID_AC3 ||
640 track->enc->codec_id == CODEC_ID_AMR_NB ||
641 track->enc->codec_id == CODEC_ID_ALAC ||
642 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
643 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
644 mov_pcm_le_gt16(track->enc->codec_id)))
645 mov_write_wave_tag(pb, track);
646 else if(track->tag == MKTAG('m','p','4','a'))
647 mov_write_esds_tag(pb, track);
648 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
649 mov_write_amr_tag(pb, track);
650 else if(track->enc->codec_id == CODEC_ID_AC3)
651 mov_write_ac3_tag(pb, track);
652 else if(track->enc->codec_id == CODEC_ID_ALAC)
653 mov_write_extradata_tag(pb, track);
654 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
655 mov_write_wfex_tag(pb, track);
656 else if (track->vos_len > 0)
657 mov_write_glbl_tag(pb, track);
659 return update_size(pb, pos);
662 static int mov_write_d263_tag(AVIOContext *pb)
664 avio_wb32(pb, 0xf); /* size */
665 ffio_wfourcc(pb, "d263");
666 ffio_wfourcc(pb, "FFMP");
667 avio_w8(pb, 0); /* decoder version */
668 /* FIXME use AVCodecContext level/profile, when encoder will set values */
669 avio_w8(pb, 0xa); /* level */
670 avio_w8(pb, 0); /* profile */
674 /* TODO: No idea about these values */
675 static int mov_write_svq3_tag(AVIOContext *pb)
678 ffio_wfourcc(pb, "SMI ");
679 ffio_wfourcc(pb, "SEQH");
681 avio_wb32(pb, 0xe2c0211d);
682 avio_wb32(pb, 0xc0000000);
687 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
689 int64_t pos = avio_tell(pb);
692 ffio_wfourcc(pb, "avcC");
693 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
694 return update_size(pb, pos);
697 /* also used by all avid codecs (dv, imx, meridien) and their variants */
698 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
701 avio_wb32(pb, 24); /* size */
702 ffio_wfourcc(pb, "ACLR");
703 ffio_wfourcc(pb, "ACLR");
704 ffio_wfourcc(pb, "0001");
705 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
706 avio_wb32(pb, 0); /* unknown */
708 avio_wb32(pb, 24); /* size */
709 ffio_wfourcc(pb, "APRG");
710 ffio_wfourcc(pb, "APRG");
711 ffio_wfourcc(pb, "0001");
712 avio_wb32(pb, 1); /* unknown */
713 avio_wb32(pb, 0); /* unknown */
715 avio_wb32(pb, 120); /* size */
716 ffio_wfourcc(pb, "ARES");
717 ffio_wfourcc(pb, "ARES");
718 ffio_wfourcc(pb, "0001");
719 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
720 avio_wb32(pb, track->enc->width);
721 /* values below are based on samples created with quicktime and avid codecs */
722 if (track->vos_data[5] & 2) { // interlaced
723 avio_wb32(pb, track->enc->height/2);
724 avio_wb32(pb, 2); /* unknown */
725 avio_wb32(pb, 0); /* unknown */
726 avio_wb32(pb, 4); /* unknown */
728 avio_wb32(pb, track->enc->height);
729 avio_wb32(pb, 1); /* unknown */
730 avio_wb32(pb, 0); /* unknown */
731 if (track->enc->height == 1080)
732 avio_wb32(pb, 5); /* unknown */
734 avio_wb32(pb, 6); /* unknown */
737 for (i = 0; i < 10; i++)
740 /* extra padding for stsd needed */
745 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
747 int tag = track->enc->codec_tag;
749 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
752 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
753 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
754 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
755 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
756 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
757 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
758 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
763 static const AVCodecTag codec_ipod_tags[] = {
764 { CODEC_ID_H264, MKTAG('a','v','c','1') },
765 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
766 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
767 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
768 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
769 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
770 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
771 { CODEC_ID_NONE, 0 },
774 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
776 int tag = track->enc->codec_tag;
778 // keep original tag for subs, ipod supports both formats
779 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
780 (tag == MKTAG('t','x','3','g') ||
781 tag == MKTAG('t','e','x','t'))))
782 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
784 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
785 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
786 "Quicktime/Ipod might not play the file\n");
791 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
795 if (track->enc->width == 720) /* SD */
796 if (track->enc->height == 480) /* NTSC */
797 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
798 else tag = MKTAG('d','v','c',' ');
799 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
800 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
801 else tag = MKTAG('d','v','p','p');
802 else if (track->enc->height == 720) /* HD 720 line */
803 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
804 else tag = MKTAG('d','v','h','p');
805 else if (track->enc->height == 1080) /* HD 1080 line */
806 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
807 else tag = MKTAG('d','v','h','6');
809 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
816 static const struct {
817 enum PixelFormat pix_fmt;
820 } mov_pix_fmt_tags[] = {
821 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
822 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
823 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
824 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
825 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
826 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
827 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
828 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
829 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
830 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
831 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
832 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
833 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
834 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
837 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
839 int tag = track->enc->codec_tag;
842 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
843 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
844 tag = mov_pix_fmt_tags[i].tag;
845 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
853 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
855 int tag = track->enc->codec_tag;
857 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
858 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
859 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
860 track->enc->codec_id == CODEC_ID_H263 ||
861 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
862 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
863 tag = mov_get_dv_codec_tag(s, track);
864 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
865 tag = mov_get_rawvideo_codec_tag(s, track);
866 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
867 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
868 if (!tag) { // if no mac fcc found, try with Microsoft tags
869 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
871 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
872 "the file may be unplayable!\n");
874 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
875 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
876 if (!tag) { // if no mac fcc found, try with Microsoft tags
877 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
879 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
880 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
881 "the file may be unplayable!\n");
884 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
885 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
891 static const AVCodecTag codec_3gp_tags[] = {
892 { CODEC_ID_H263, MKTAG('s','2','6','3') },
893 { CODEC_ID_H264, MKTAG('a','v','c','1') },
894 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
895 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
896 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
897 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
898 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
899 { CODEC_ID_NONE, 0 },
902 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
904 int tag = track->enc->codec_tag;
906 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
907 tag = mp4_get_codec_tag(s, track);
908 else if (track->mode == MODE_ISM) {
909 tag = mp4_get_codec_tag(s, track);
910 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
911 tag = MKTAG('w', 'm', 'a', ' ');
912 } else if (track->mode == MODE_IPOD)
913 tag = ipod_get_codec_tag(s, track);
914 else if (track->mode & MODE_3GP)
915 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
917 tag = mov_get_codec_tag(s, track);
923 * Needed to make file play in iPods running newest firmware
924 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
926 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
929 ffio_wfourcc(pb, "uuid");
930 avio_wb32(pb, 0x6b6840f2);
931 avio_wb32(pb, 0x5f244fc5);
932 avio_wb32(pb, 0xba39a51b);
933 avio_wb32(pb, 0xcf0323f3);
938 static const uint16_t fiel_data[] = {
939 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
942 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
944 unsigned mov_field_order = 0;
945 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
946 mov_field_order = fiel_data[track->enc->field_order];
950 ffio_wfourcc(pb, "fiel");
951 avio_wb16(pb, mov_field_order);
955 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
957 int64_t pos = avio_tell(pb);
958 avio_wb32(pb, 0); /* size */
959 avio_wl32(pb, track->tag); // store it byteswapped
960 avio_wb32(pb, 0); /* Reserved */
961 avio_wb16(pb, 0); /* Reserved */
962 avio_wb16(pb, 1); /* Data-reference index */
964 if (track->enc->extradata_size)
965 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
967 return update_size(pb, pos);
970 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
973 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
974 track->enc->sample_aspect_ratio.den, INT_MAX);
977 ffio_wfourcc(pb, "pasp");
978 avio_wb32(pb, sar.num);
979 avio_wb32(pb, sar.den);
983 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
985 int64_t pos = avio_tell(pb);
986 char compressor_name[32] = { 0 };
988 avio_wb32(pb, 0); /* size */
989 avio_wl32(pb, track->tag); // store it byteswapped
990 avio_wb32(pb, 0); /* Reserved */
991 avio_wb16(pb, 0); /* Reserved */
992 avio_wb16(pb, 1); /* Data-reference index */
994 avio_wb16(pb, 0); /* Codec stream version */
995 avio_wb16(pb, 0); /* Codec stream revision (=0) */
996 if (track->mode == MODE_MOV) {
997 ffio_wfourcc(pb, "FFMP"); /* Vendor */
998 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
999 avio_wb32(pb, 0); /* Temporal Quality */
1000 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1002 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1003 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1006 avio_wb32(pb, 0); /* Reserved */
1007 avio_wb32(pb, 0); /* Reserved */
1008 avio_wb32(pb, 0); /* Reserved */
1010 avio_wb16(pb, track->enc->width); /* Video width */
1011 avio_wb16(pb, track->height); /* Video height */
1012 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1013 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1014 avio_wb32(pb, 0); /* Data size (= 0) */
1015 avio_wb16(pb, 1); /* Frame count (= 1) */
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 int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2100 int64_t pos = avio_tell(pb);
2102 const uint8_t uuid[] = {
2103 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2104 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2108 ffio_wfourcc(pb, "uuid");
2109 avio_write(pb, uuid, sizeof(uuid));
2112 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2113 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2114 avio_printf(pb, "<head>\n");
2115 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2117 avio_printf(pb, "</head>\n");
2118 avio_printf(pb, "<body>\n");
2119 avio_printf(pb, "<switch>\n");
2120 for (i = 0; i < mov->nb_streams; i++) {
2121 MOVTrack *track = &mov->tracks[i];
2123 /* track->track_id is initialized in write_moov, and thus isn't known
2125 int track_id = i + 1;
2127 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2129 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2134 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2135 track->enc->bit_rate);
2136 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2137 param_write_int(pb, "trackID", track_id);
2138 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2139 if (track->enc->codec_id == CODEC_ID_H264) {
2141 int size = track->enc->extradata_size;
2142 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2144 param_write_hex(pb, "CodecPrivateData",
2145 ptr ? ptr : track->enc->extradata,
2149 param_write_string(pb, "FourCC", "H264");
2150 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2151 param_write_string(pb, "FourCC", "WVC1");
2152 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2153 track->enc->extradata_size);
2155 param_write_int(pb, "MaxWidth", track->enc->width);
2156 param_write_int(pb, "MaxHeight", track->enc->height);
2157 param_write_int(pb, "DisplayWidth", track->enc->width);
2158 param_write_int(pb, "DisplayHeight", track->enc->height);
2160 if (track->enc->codec_id == CODEC_ID_AAC) {
2161 param_write_string(pb, "FourCC", "AACL");
2162 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2163 param_write_string(pb, "FourCC", "WMAP");
2165 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2166 track->enc->extradata_size);
2167 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2168 track->enc->codec_id));
2169 param_write_int(pb, "Channels", track->enc->channels);
2170 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2171 param_write_int(pb, "BitsPerSample", 16);
2172 param_write_int(pb, "PacketSize", track->enc->block_align ?
2173 track->enc->block_align : 4);
2175 avio_printf(pb, "</%s>\n", type);
2177 avio_printf(pb, "</switch>\n");
2178 avio_printf(pb, "</body>\n");
2179 avio_printf(pb, "</smil>\n");
2181 return update_size(pb, pos);
2184 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2187 ffio_wfourcc(pb, "mfhd");
2189 avio_wb32(pb, mov->fragments);
2193 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2194 int64_t moof_offset)
2196 int64_t pos = avio_tell(pb);
2197 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2198 MOV_TFHD_BASE_DATA_OFFSET;
2199 if (!track->entry) {
2200 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2202 flags |= MOV_TFHD_DEFAULT_FLAGS;
2205 /* Don't set a default sample size, the silverlight player refuses
2206 * to play files with that set. Don't set a default sample duration,
2207 * WMP freaks out if it is set. */
2208 if (track->mode == MODE_ISM)
2209 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2211 avio_wb32(pb, 0); /* size placeholder */
2212 ffio_wfourcc(pb, "tfhd");
2213 avio_w8(pb, 0); /* version */
2214 avio_wb24(pb, flags);
2216 avio_wb32(pb, track->track_id); /* track-id */
2217 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2218 avio_wb64(pb, moof_offset);
2219 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2220 track->default_duration = get_cluster_duration(track, 0);
2221 avio_wb32(pb, track->default_duration);
2223 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2224 track->default_size = track->entry ? track->cluster[0].size : 1;
2225 avio_wb32(pb, track->default_size);
2227 track->default_size = -1;
2229 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2230 track->default_sample_flags =
2231 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2232 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2233 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2234 avio_wb32(pb, track->default_sample_flags);
2237 return update_size(pb, pos);
2240 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2242 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2243 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2246 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2248 int64_t pos = avio_tell(pb);
2249 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2252 for (i = 0; i < track->entry; i++) {
2253 if (get_cluster_duration(track, i) != track->default_duration)
2254 flags |= MOV_TRUN_SAMPLE_DURATION;
2255 if (track->cluster[i].size != track->default_size)
2256 flags |= MOV_TRUN_SAMPLE_SIZE;
2257 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2258 flags |= MOV_TRUN_SAMPLE_FLAGS;
2260 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2261 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2262 if (track->flags & MOV_TRACK_CTTS)
2263 flags |= MOV_TRUN_SAMPLE_CTS;
2265 avio_wb32(pb, 0); /* size placeholder */
2266 ffio_wfourcc(pb, "trun");
2267 avio_w8(pb, 0); /* version */
2268 avio_wb24(pb, flags);
2270 avio_wb32(pb, track->entry); /* sample count */
2271 track->moof_size_offset = avio_tell(pb);
2272 avio_wb32(pb, 0); /* data offset */
2273 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2274 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2276 for (i = 0; i < track->entry; i++) {
2277 if (flags & MOV_TRUN_SAMPLE_DURATION)
2278 avio_wb32(pb, get_cluster_duration(track, i));
2279 if (flags & MOV_TRUN_SAMPLE_SIZE)
2280 avio_wb32(pb, track->cluster[i].size);
2281 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2282 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2283 if (flags & MOV_TRUN_SAMPLE_CTS)
2284 avio_wb32(pb, track->cluster[i].cts);
2287 return update_size(pb, pos);
2290 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2292 int64_t pos = avio_tell(pb);
2293 const uint8_t uuid[] = {
2294 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2295 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2298 avio_wb32(pb, 0); /* size placeholder */
2299 ffio_wfourcc(pb, "uuid");
2300 avio_write(pb, uuid, sizeof(uuid));
2303 avio_wb64(pb, track->frag_start);
2304 avio_wb64(pb, track->start_dts + track->track_duration -
2305 track->cluster[0].dts);
2307 return update_size(pb, pos);
2310 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2311 MOVTrack *track, int entry)
2313 int n = track->nb_frag_info - 1 - entry, i;
2314 int size = 8 + 16 + 4 + 1 + 16*n;
2315 const uint8_t uuid[] = {
2316 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2317 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2323 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2324 avio_wb32(pb, size);
2325 ffio_wfourcc(pb, "uuid");
2326 avio_write(pb, uuid, sizeof(uuid));
2330 for (i = 0; i < n; i++) {
2331 int index = entry + 1 + i;
2332 avio_wb64(pb, track->frag_info[index].time);
2333 avio_wb64(pb, track->frag_info[index].duration);
2335 if (n < mov->ism_lookahead) {
2336 int free_size = 16*(mov->ism_lookahead - n);
2337 avio_wb32(pb, free_size);
2338 ffio_wfourcc(pb, "free");
2339 for (i = 0; i < free_size - 8; i++)
2346 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2349 int64_t pos = avio_tell(pb);
2351 for (i = 0; i < mov->ism_lookahead; i++) {
2352 /* Update the tfrf tag for the last ism_lookahead fragments,
2353 * nb_frag_info - 1 is the next fragment to be written. */
2354 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2356 avio_seek(pb, pos, SEEK_SET);
2360 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2361 MOVTrack *track, int64_t moof_offset)
2363 int64_t pos = avio_tell(pb);
2364 avio_wb32(pb, 0); /* size placeholder */
2365 ffio_wfourcc(pb, "traf");
2367 mov_write_tfhd_tag(pb, track, moof_offset);
2368 mov_write_trun_tag(pb, track);
2369 if (mov->mode == MODE_ISM) {
2370 mov_write_tfxd_tag(pb, track);
2372 if (mov->ism_lookahead) {
2373 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2375 track->tfrf_offset = avio_tell(pb);
2376 avio_wb32(pb, 8 + size);
2377 ffio_wfourcc(pb, "free");
2378 for (i = 0; i < size; i++)
2383 return update_size(pb, pos);
2386 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2388 int64_t pos = avio_tell(pb), end;
2391 avio_wb32(pb, 0); /* size placeholder */
2392 ffio_wfourcc(pb, "moof");
2394 mov_write_mfhd_tag(pb, mov);
2395 for (i = 0; i < mov->nb_streams; i++) {
2396 MOVTrack *track = &mov->tracks[i];
2397 if (tracks >= 0 && i != tracks)
2401 mov_write_traf_tag(pb, mov, track, pos);
2404 end = avio_tell(pb);
2405 moof_size = end - pos;
2406 for (i = 0; i < mov->nb_streams; i++) {
2407 MOVTrack *track = &mov->tracks[i];
2408 if (tracks >= 0 && i != tracks)
2412 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2413 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2415 avio_seek(pb, end, SEEK_SET);
2417 return update_size(pb, pos);
2420 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2422 int64_t pos = avio_tell(pb);
2425 avio_wb32(pb, 0); /* size placeholder */
2426 ffio_wfourcc(pb, "tfra");
2427 avio_w8(pb, 1); /* version */
2430 avio_wb32(pb, track->track_id);
2431 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2432 avio_wb32(pb, track->nb_frag_info);
2433 for (i = 0; i < track->nb_frag_info; i++) {
2434 avio_wb64(pb, track->frag_info[i].time);
2435 avio_wb64(pb, track->frag_info[i].offset);
2436 avio_w8(pb, 1); /* traf number */
2437 avio_w8(pb, 1); /* trun number */
2438 avio_w8(pb, 1); /* sample number */
2441 return update_size(pb, pos);
2444 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2446 int64_t pos = avio_tell(pb);
2449 avio_wb32(pb, 0); /* size placeholder */
2450 ffio_wfourcc(pb, "mfra");
2451 /* An empty mfra atom is enough to indicate to the publishing point that
2452 * the stream has ended. */
2453 if (mov->flags & FF_MOV_FLAG_ISML)
2454 return update_size(pb, pos);
2456 for (i = 0; i < mov->nb_streams; i++) {
2457 MOVTrack *track = &mov->tracks[i];
2458 if (track->nb_frag_info)
2459 mov_write_tfra_tag(pb, track);
2463 ffio_wfourcc(pb, "mfro");
2464 avio_wb32(pb, 0); /* version + flags */
2465 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2467 return update_size(pb, pos);
2470 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2472 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2473 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2475 mov->mdat_pos = avio_tell(pb);
2476 avio_wb32(pb, 0); /* size placeholder*/
2477 ffio_wfourcc(pb, "mdat");
2481 /* TODO: This needs to be more general */
2482 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2484 MOVMuxContext *mov = s->priv_data;
2485 int64_t pos = avio_tell(pb);
2486 int has_h264 = 0, has_video = 0;
2490 for (i = 0; i < s->nb_streams; i++) {
2491 AVStream *st = s->streams[i];
2492 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2494 if (st->codec->codec_id == CODEC_ID_H264)
2498 avio_wb32(pb, 0); /* size */
2499 ffio_wfourcc(pb, "ftyp");
2501 if (mov->mode == MODE_3GP) {
2502 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2503 minor = has_h264 ? 0x100 : 0x200;
2504 } else if (mov->mode & MODE_3G2) {
2505 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2506 minor = has_h264 ? 0x20000 : 0x10000;
2507 }else if (mov->mode == MODE_PSP)
2508 ffio_wfourcc(pb, "MSNV");
2509 else if (mov->mode == MODE_MP4)
2510 ffio_wfourcc(pb, "isom");
2511 else if (mov->mode == MODE_IPOD)
2512 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2513 else if (mov->mode == MODE_ISM)
2514 ffio_wfourcc(pb, "isml");
2516 ffio_wfourcc(pb, "qt ");
2518 avio_wb32(pb, minor);
2520 if(mov->mode == MODE_MOV)
2521 ffio_wfourcc(pb, "qt ");
2522 else if (mov->mode == MODE_ISM) {
2523 ffio_wfourcc(pb, "piff");
2524 ffio_wfourcc(pb, "iso2");
2526 ffio_wfourcc(pb, "isom");
2527 ffio_wfourcc(pb, "iso2");
2529 ffio_wfourcc(pb, "avc1");
2532 if (mov->mode == MODE_3GP)
2533 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2534 else if (mov->mode & MODE_3G2)
2535 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2536 else if (mov->mode == MODE_PSP)
2537 ffio_wfourcc(pb, "MSNV");
2538 else if (mov->mode == MODE_MP4)
2539 ffio_wfourcc(pb, "mp41");
2540 return update_size(pb, pos);
2543 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2545 AVCodecContext *video_codec = s->streams[0]->codec;
2546 AVCodecContext *audio_codec = s->streams[1]->codec;
2547 int audio_rate = audio_codec->sample_rate;
2548 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2549 int audio_kbitrate = audio_codec->bit_rate / 1000;
2550 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2552 avio_wb32(pb, 0x94); /* size */
2553 ffio_wfourcc(pb, "uuid");
2554 ffio_wfourcc(pb, "PROF");
2556 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2557 avio_wb32(pb, 0xbb88695c);
2558 avio_wb32(pb, 0xfac9c740);
2560 avio_wb32(pb, 0x0); /* ? */
2561 avio_wb32(pb, 0x3); /* 3 sections ? */
2563 avio_wb32(pb, 0x14); /* size */
2564 ffio_wfourcc(pb, "FPRF");
2565 avio_wb32(pb, 0x0); /* ? */
2566 avio_wb32(pb, 0x0); /* ? */
2567 avio_wb32(pb, 0x0); /* ? */
2569 avio_wb32(pb, 0x2c); /* size */
2570 ffio_wfourcc(pb, "APRF");/* audio */
2572 avio_wb32(pb, 0x2); /* TrackID */
2573 ffio_wfourcc(pb, "mp4a");
2574 avio_wb32(pb, 0x20f);
2576 avio_wb32(pb, audio_kbitrate);
2577 avio_wb32(pb, audio_kbitrate);
2578 avio_wb32(pb, audio_rate);
2579 avio_wb32(pb, audio_codec->channels);
2581 avio_wb32(pb, 0x34); /* size */
2582 ffio_wfourcc(pb, "VPRF"); /* video */
2584 avio_wb32(pb, 0x1); /* TrackID */
2585 if (video_codec->codec_id == CODEC_ID_H264) {
2586 ffio_wfourcc(pb, "avc1");
2587 avio_wb16(pb, 0x014D);
2588 avio_wb16(pb, 0x0015);
2590 ffio_wfourcc(pb, "mp4v");
2591 avio_wb16(pb, 0x0000);
2592 avio_wb16(pb, 0x0103);
2595 avio_wb32(pb, video_kbitrate);
2596 avio_wb32(pb, video_kbitrate);
2597 avio_wb32(pb, frame_rate);
2598 avio_wb32(pb, frame_rate);
2599 avio_wb16(pb, video_codec->width);
2600 avio_wb16(pb, video_codec->height);
2601 avio_wb32(pb, 0x010001); /* ? */
2604 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2607 int i, closed_gop = 0;
2609 for (i = 0; i < pkt->size - 4; i++) {
2610 c = (c<<8) + pkt->data[i];
2611 if (c == 0x1b8) { // gop
2612 closed_gop = pkt->data[i+4]>>6 & 0x01;
2613 } else if (c == 0x100) { // pic
2614 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2615 if (!temp_ref || closed_gop) // I picture is not reordered
2616 *flags = MOV_SYNC_SAMPLE;
2618 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2625 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2627 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2628 int seq = 0, entry = 0;
2629 int key = pkt->flags & AV_PKT_FLAG_KEY;
2630 start = find_next_marker(pkt->data, end);
2631 for (next = start; next < end; start = next) {
2632 next = find_next_marker(start + 4, end);
2633 switch (AV_RB32(start)) {
2634 case VC1_CODE_SEQHDR:
2637 case VC1_CODE_ENTRYPOINT:
2640 case VC1_CODE_SLICE:
2641 trk->vc1_info.slices = 1;
2645 if (!trk->entry && !fragment) {
2646 /* First packet in first fragment */
2647 trk->vc1_info.first_packet_seq = seq;
2648 trk->vc1_info.first_packet_entry = entry;
2649 } else if ((seq && !trk->vc1_info.packet_seq) ||
2650 (entry && !trk->vc1_info.packet_entry)) {
2652 for (i = 0; i < trk->entry; i++)
2653 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2654 trk->has_keyframes = 0;
2656 trk->vc1_info.packet_seq = 1;
2658 trk->vc1_info.packet_entry = 1;
2660 /* First fragment */
2661 if ((!seq || trk->vc1_info.first_packet_seq) &&
2662 (!entry || trk->vc1_info.first_packet_entry)) {
2663 /* First packet had the same headers as this one, readd the
2664 * sync sample flag. */
2665 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2666 trk->has_keyframes = 1;
2670 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2672 else if (trk->vc1_info.packet_seq)
2674 else if (trk->vc1_info.packet_entry)
2677 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2678 trk->has_keyframes++;
2682 static int mov_flush_fragment(AVFormatContext *s)
2684 MOVMuxContext *mov = s->priv_data;
2685 int i, first_track = -1;
2686 int64_t mdat_size = 0;
2688 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2691 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2692 int64_t pos = avio_tell(s->pb);
2694 AVIOContext *moov_buf;
2698 for (i = 0; i < mov->nb_streams; i++)
2699 if (!mov->tracks[i].entry)
2701 /* Don't write the initial moov unless all tracks have data */
2702 if (i < mov->nb_streams)
2705 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2707 mov_write_moov_tag(moov_buf, mov, s);
2708 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2710 for (i = 0; i < mov->nb_streams; i++)
2711 mov->tracks[i].data_offset = pos + buf_size + 8;
2713 mov_write_moov_tag(s->pb, mov, s);
2715 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2716 mov->mdat_buf = NULL;
2717 avio_wb32(s->pb, buf_size + 8);
2718 ffio_wfourcc(s->pb, "mdat");
2719 avio_write(s->pb, buf, buf_size);
2724 for (i = 0; i < mov->nb_streams; i++) {
2725 if (mov->tracks[i].entry)
2726 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2727 mov->tracks[i].track_duration -
2728 mov->tracks[i].cluster[0].dts;
2729 mov->tracks[i].entry = 0;
2735 for (i = 0; i < mov->nb_streams; i++) {
2736 MOVTrack *track = &mov->tracks[i];
2737 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2738 track->data_offset = 0;
2740 track->data_offset = mdat_size;
2741 if (!track->mdat_buf)
2743 mdat_size += avio_tell(track->mdat_buf);
2744 if (first_track < 0)
2751 for (i = 0; i < mov->nb_streams; i++) {
2752 MOVTrack *track = &mov->tracks[i];
2753 int buf_size, write_moof = 1, moof_tracks = -1;
2755 int64_t duration = 0;
2758 duration = track->start_dts + track->track_duration -
2759 track->cluster[0].dts;
2760 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2761 if (!track->mdat_buf)
2763 mdat_size = avio_tell(track->mdat_buf);
2766 write_moof = i == first_track;
2770 MOVFragmentInfo *info;
2772 track->nb_frag_info++;
2773 track->frag_info = av_realloc(track->frag_info,
2774 sizeof(*track->frag_info) *
2775 track->nb_frag_info);
2776 info = &track->frag_info[track->nb_frag_info - 1];
2777 info->offset = avio_tell(s->pb);
2778 info->time = mov->tracks[i].frag_start;
2779 info->duration = duration;
2780 mov_write_tfrf_tags(s->pb, mov, track);
2782 mov_write_moof_tag(s->pb, mov, moof_tracks);
2783 info->tfrf_offset = track->tfrf_offset;
2786 avio_wb32(s->pb, mdat_size + 8);
2787 ffio_wfourcc(s->pb, "mdat");
2791 track->frag_start += duration;
2793 if (!track->mdat_buf)
2795 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2796 track->mdat_buf = NULL;
2798 avio_write(s->pb, buf, buf_size);
2808 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2810 MOVMuxContext *mov = s->priv_data;
2811 AVIOContext *pb = s->pb;
2812 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2813 AVCodecContext *enc = trk->enc;
2814 unsigned int samples_in_chunk = 0;
2815 int size= pkt->size;
2816 uint8_t *reformatted_data = NULL;
2817 int64_t frag_duration = 0;
2819 if (!size) return 0; /* Discard 0 sized packets */
2822 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
2823 s->streams[pkt->stream_index]->time_base,
2825 if ((mov->max_fragment_duration &&
2826 frag_duration >= mov->max_fragment_duration) ||
2827 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2828 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2829 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2830 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2831 if (frag_duration >= mov->min_fragment_duration)
2832 mov_flush_fragment(s);
2835 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2837 if (mov->fragments > 0) {
2838 if (!trk->mdat_buf) {
2839 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2844 if (!mov->mdat_buf) {
2845 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2852 if (enc->codec_id == CODEC_ID_AMR_NB) {
2853 /* We must find out how many AMR blocks there are in one packet */
2854 static uint16_t packed_size[16] =
2855 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2858 while (len < size && samples_in_chunk < 100) {
2859 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2862 if (samples_in_chunk > 1) {
2863 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2866 } else if (trk->sample_size)
2867 samples_in_chunk = size / trk->sample_size;
2869 samples_in_chunk = 1;
2871 /* copy extradata if it exists */
2872 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2873 trk->vos_len = enc->extradata_size;
2874 trk->vos_data = av_malloc(trk->vos_len);
2875 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2878 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2879 /* from x264 or from bytestream h264 */
2880 /* nal reformating needed */
2881 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2882 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2884 avio_write(pb, reformatted_data, size);
2886 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2889 avio_write(pb, pkt->data, size);
2892 if ((enc->codec_id == CODEC_ID_DNXHD ||
2893 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2894 /* copy frame to create needed atoms */
2895 trk->vos_len = size;
2896 trk->vos_data = av_malloc(size);
2898 return AVERROR(ENOMEM);
2899 memcpy(trk->vos_data, pkt->data, size);
2902 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2903 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2908 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2909 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2910 trk->cluster[trk->entry].size = size;
2911 trk->cluster[trk->entry].entries = samples_in_chunk;
2912 trk->cluster[trk->entry].dts = pkt->dts;
2913 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2914 /* First packet of a new fragment. We already wrote the duration
2915 * of the last packet of the previous fragment based on track_duration,
2916 * which might not exactly match our dts. Therefore adjust the dts
2917 * of this packet to be what the previous packets duration implies. */
2918 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2920 if (trk->start_dts == AV_NOPTS_VALUE)
2921 trk->start_dts = pkt->dts;
2922 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2924 if (pkt->pts == AV_NOPTS_VALUE) {
2925 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2926 pkt->pts = pkt->dts;
2928 if (pkt->dts != pkt->pts)
2929 trk->flags |= MOV_TRACK_CTTS;
2930 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2931 trk->cluster[trk->entry].flags = 0;
2932 if (enc->codec_id == CODEC_ID_VC1) {
2933 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2934 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2935 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2936 trk->entry > 0) { // force sync sample for the first key frame
2937 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2938 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2939 trk->flags |= MOV_TRACK_STPS;
2941 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2943 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2944 trk->has_keyframes++;
2947 trk->sample_count += samples_in_chunk;
2948 mov->mdat_size += size;
2952 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2953 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2954 reformatted_data, size);
2955 av_free(reformatted_data);
2959 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2962 mov_flush_fragment(s);
2965 return mov_write_packet_internal(s, pkt);
2969 // QuickTime chapters involve an additional text track with the chapter names
2970 // as samples, and a tref pointing from the other tracks to the chapter one.
2971 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2973 MOVMuxContext *mov = s->priv_data;
2974 MOVTrack *track = &mov->tracks[tracknum];
2975 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2978 track->mode = mov->mode;
2979 track->tag = MKTAG('t','e','x','t');
2980 track->timescale = MOV_TIMESCALE;
2981 track->enc = avcodec_alloc_context3(NULL);
2982 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2984 for (i = 0; i < s->nb_chapters; i++) {
2985 AVChapter *c = s->chapters[i];
2986 AVDictionaryEntry *t;
2988 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2989 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2990 pkt.duration = end - pkt.dts;
2992 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2993 len = strlen(t->value);
2995 pkt.data = av_malloc(pkt.size);
2996 AV_WB16(pkt.data, len);
2997 memcpy(pkt.data+2, t->value, len);
2998 ff_mov_write_packet(s, &pkt);
2999 av_freep(&pkt.data);
3004 static int mov_write_header(AVFormatContext *s)
3006 AVIOContext *pb = s->pb;
3007 MOVMuxContext *mov = s->priv_data;
3008 AVDictionaryEntry *t;
3009 int i, hint_track = 0;
3011 /* Set the FRAGMENT flag if any of the fragmentation methods are
3013 if (mov->max_fragment_duration || mov->max_fragment_size ||
3014 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3015 FF_MOV_FLAG_FRAG_KEYFRAME |
3016 FF_MOV_FLAG_FRAG_CUSTOM))
3017 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3019 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3020 * is enabled, we don't support non-seekable output at all. */
3021 if (!s->pb->seekable &&
3022 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3023 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3024 || mov->ism_lookahead)) {
3025 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3029 /* Default mode == MP4 */
3030 mov->mode = MODE_MP4;
3032 if (s->oformat != NULL) {
3033 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3034 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3035 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3036 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3037 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3038 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3040 mov_write_ftyp_tag(pb,s);
3041 if (mov->mode == MODE_PSP) {
3042 if (s->nb_streams != 2) {
3043 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3046 mov_write_uuidprof_tag(pb,s);
3050 mov->nb_streams = s->nb_streams;
3051 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3052 mov->chapter_track = mov->nb_streams++;
3054 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3055 /* Add hint tracks for each audio and video stream */
3056 hint_track = mov->nb_streams;
3057 for (i = 0; i < s->nb_streams; i++) {
3058 AVStream *st = s->streams[i];
3059 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3060 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3066 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3068 return AVERROR(ENOMEM);
3070 for(i=0; i<s->nb_streams; i++){
3071 AVStream *st= s->streams[i];
3072 MOVTrack *track= &mov->tracks[i];
3073 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3075 track->enc = st->codec;
3076 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3077 if (track->language < 0)
3078 track->language = 0;
3079 track->mode = mov->mode;
3080 track->tag = mov_find_codec_tag(s, track);
3082 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3083 "codec not currently supported in container\n", i);
3086 /* If hinting of this track is enabled by a later hint track,
3087 * this is updated. */
3088 track->hint_track = -1;
3089 track->start_dts = AV_NOPTS_VALUE;
3090 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3091 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3092 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3093 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3094 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3095 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3098 track->height = track->tag>>24 == 'n' ? 486 : 576;
3100 track->timescale = st->codec->time_base.den;
3101 if (track->mode == MODE_MOV && track->timescale > 100000)
3102 av_log(s, AV_LOG_WARNING,
3103 "WARNING codec timebase is very high. If duration is too long,\n"
3104 "file may not be playable by quicktime. Specify a shorter timebase\n"
3105 "or choose different container.\n");
3106 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3107 track->timescale = st->codec->sample_rate;
3108 /* set sample_size for PCM and ADPCM */
3109 if (av_get_bits_per_sample(st->codec->codec_id)) {
3110 if (!st->codec->block_align) {
3111 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3114 track->sample_size = st->codec->block_align;
3116 /* set audio_vbr for compressed audio */
3117 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3118 track->audio_vbr = 1;
3120 if (track->mode != MODE_MOV) {
3121 if (track->timescale > UINT16_MAX) {
3122 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3123 "sample rate %dhz\n", i, track->timescale);
3126 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3127 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3128 i, track->enc->sample_rate);
3132 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3133 track->timescale = st->codec->time_base.den;
3136 track->height = st->codec->height;
3137 /* The ism specific timescale isn't mandatory, but is assumed by
3138 * some tools, such as mp4split. */
3139 if (mov->mode == MODE_ISM)
3140 track->timescale = 10000000;
3142 avpriv_set_pts_info(st, 64, 1, track->timescale);
3144 /* copy extradata if it exists */
3145 if (st->codec->extradata_size) {
3146 track->vos_len = st->codec->extradata_size;
3147 track->vos_data = av_malloc(track->vos_len);
3148 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3152 if (mov->mode == MODE_ISM) {
3153 /* If no fragmentation options have been set, set a default. */
3154 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3155 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3156 !mov->max_fragment_duration && !mov->max_fragment_size)
3157 mov->max_fragment_duration = 5000000;
3158 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3159 FF_MOV_FLAG_FRAGMENT;
3162 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3163 mov_write_mdat_tag(pb, mov);
3165 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3166 mov->time = ff_iso8601_to_unix_time(t->value);
3168 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3170 if (mov->chapter_track)
3171 mov_create_chapter_track(s, mov->chapter_track);
3173 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3174 /* Initialize the hint tracks for each audio and video stream */
3175 for (i = 0; i < s->nb_streams; i++) {
3176 AVStream *st = s->streams[i];
3177 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3178 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3179 ff_mov_init_hinting(s, hint_track, i);
3187 if (mov->flags & FF_MOV_FLAG_ISML)
3188 mov_write_isml_manifest(pb, mov);
3190 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3191 mov_write_moov_tag(pb, mov, s);
3197 av_freep(&mov->tracks);
3201 static int mov_write_trailer(AVFormatContext *s)
3203 MOVMuxContext *mov = s->priv_data;
3204 AVIOContext *pb = s->pb;
3208 int64_t moov_pos = avio_tell(pb);
3210 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3211 /* Write size of mdat tag */
3212 if (mov->mdat_size + 8 <= UINT32_MAX) {
3213 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3214 avio_wb32(pb, mov->mdat_size + 8);
3216 /* overwrite 'wide' placeholder atom */
3217 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3218 /* special value: real atom size will be 64 bit value after
3221 ffio_wfourcc(pb, "mdat");
3222 avio_wb64(pb, mov->mdat_size + 16);
3224 avio_seek(pb, moov_pos, SEEK_SET);
3226 mov_write_moov_tag(pb, mov, s);
3228 mov_flush_fragment(s);
3229 mov_write_mfra_tag(pb, mov);
3232 if (mov->chapter_track)
3233 av_freep(&mov->tracks[mov->chapter_track].enc);
3235 for (i=0; i<mov->nb_streams; i++) {
3236 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3237 ff_mov_close_hinting(&mov->tracks[i]);
3238 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3239 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3240 int64_t off = avio_tell(pb);
3242 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3243 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3244 avio_write(pb, buf, 7);
3245 avio_seek(pb, off, SEEK_SET);
3248 av_freep(&mov->tracks[i].cluster);
3249 av_freep(&mov->tracks[i].frag_info);
3251 if (mov->tracks[i].vos_len)
3252 av_free(mov->tracks[i].vos_data);
3258 av_freep(&mov->tracks);
3263 #if CONFIG_MOV_MUXER
3265 AVOutputFormat ff_mov_muxer = {
3267 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3268 .extensions = "mov",
3269 .priv_data_size = sizeof(MOVMuxContext),
3270 .audio_codec = CODEC_ID_AAC,
3271 #if CONFIG_LIBX264_ENCODER
3272 .video_codec = CODEC_ID_H264,
3274 .video_codec = CODEC_ID_MPEG4,
3276 .write_header = mov_write_header,
3277 .write_packet = ff_mov_write_packet,
3278 .write_trailer = mov_write_trailer,
3279 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3280 .codec_tag = (const AVCodecTag* const []){
3281 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3283 .priv_class = &mov_muxer_class,
3286 #if CONFIG_TGP_MUXER
3288 AVOutputFormat ff_tgp_muxer = {
3290 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3291 .extensions = "3gp",
3292 .priv_data_size = sizeof(MOVMuxContext),
3293 .audio_codec = CODEC_ID_AMR_NB,
3294 .video_codec = CODEC_ID_H263,
3295 .write_header = mov_write_header,
3296 .write_packet = ff_mov_write_packet,
3297 .write_trailer = mov_write_trailer,
3298 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3299 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3300 .priv_class = &tgp_muxer_class,
3303 #if CONFIG_MP4_MUXER
3305 AVOutputFormat ff_mp4_muxer = {
3307 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3308 .mime_type = "application/mp4",
3309 .extensions = "mp4",
3310 .priv_data_size = sizeof(MOVMuxContext),
3311 .audio_codec = CODEC_ID_AAC,
3312 #if CONFIG_LIBX264_ENCODER
3313 .video_codec = CODEC_ID_H264,
3315 .video_codec = CODEC_ID_MPEG4,
3317 .write_header = mov_write_header,
3318 .write_packet = ff_mov_write_packet,
3319 .write_trailer = mov_write_trailer,
3320 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3321 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3322 .priv_class = &mp4_muxer_class,
3325 #if CONFIG_PSP_MUXER
3327 AVOutputFormat ff_psp_muxer = {
3329 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3330 .extensions = "mp4,psp",
3331 .priv_data_size = sizeof(MOVMuxContext),
3332 .audio_codec = CODEC_ID_AAC,
3333 #if CONFIG_LIBX264_ENCODER
3334 .video_codec = CODEC_ID_H264,
3336 .video_codec = CODEC_ID_MPEG4,
3338 .write_header = mov_write_header,
3339 .write_packet = ff_mov_write_packet,
3340 .write_trailer = mov_write_trailer,
3341 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3342 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3343 .priv_class = &psp_muxer_class,
3346 #if CONFIG_TG2_MUXER
3348 AVOutputFormat ff_tg2_muxer = {
3350 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3351 .extensions = "3g2",
3352 .priv_data_size = sizeof(MOVMuxContext),
3353 .audio_codec = CODEC_ID_AMR_NB,
3354 .video_codec = CODEC_ID_H263,
3355 .write_header = mov_write_header,
3356 .write_packet = ff_mov_write_packet,
3357 .write_trailer = mov_write_trailer,
3358 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3359 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3360 .priv_class = &tg2_muxer_class,
3363 #if CONFIG_IPOD_MUXER
3365 AVOutputFormat ff_ipod_muxer = {
3367 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3368 .mime_type = "application/mp4",
3369 .extensions = "m4v,m4a",
3370 .priv_data_size = sizeof(MOVMuxContext),
3371 .audio_codec = CODEC_ID_AAC,
3372 .video_codec = CODEC_ID_H264,
3373 .write_header = mov_write_header,
3374 .write_packet = ff_mov_write_packet,
3375 .write_trailer = mov_write_trailer,
3376 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3377 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3378 .priv_class = &ipod_muxer_class,
3381 #if CONFIG_ISMV_MUXER
3383 AVOutputFormat ff_ismv_muxer = {
3385 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3386 .mime_type = "application/mp4",
3387 .extensions = "ismv,isma",
3388 .priv_data_size = sizeof(MOVMuxContext),
3389 .audio_codec = CODEC_ID_AAC,
3390 .video_codec = CODEC_ID_H264,
3391 .write_header = mov_write_header,
3392 .write_packet = ff_mov_write_packet,
3393 .write_trailer = mov_write_trailer,
3394 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3395 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3396 .priv_class = &ismv_muxer_class,