3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
49 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags)
56 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
57 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
58 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
59 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "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},
61 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
62 { "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},
66 #define MOV_CLASS(flavor)\
67 static const AVClass flavor ## _muxer_class = {\
68 .class_name = #flavor " muxer",\
69 .item_name = av_default_item_name,\
71 .version = LIBAVUTIL_VERSION_INT,\
74 //FIXME support 64 bit variant with wide placeholders
75 static int64_t update_size(AVIOContext *pb, int64_t pos)
77 int64_t curpos = avio_tell(pb);
78 avio_seek(pb, pos, SEEK_SET);
79 avio_wb32(pb, curpos - pos); /* rewrite size */
80 avio_seek(pb, curpos, SEEK_SET);
85 /* Chunk offset atom */
86 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
89 int mode64 = 0; // use 32 bit size variant if possible
90 int64_t pos = avio_tell(pb);
91 avio_wb32(pb, 0); /* size */
92 if (pos > UINT32_MAX) {
94 ffio_wfourcc(pb, "co64");
96 ffio_wfourcc(pb, "stco");
97 avio_wb32(pb, 0); /* version & flags */
98 avio_wb32(pb, track->chunkCount); /* entry count */
99 for (i=0; i<track->entry; i++) {
100 if(!track->cluster[i].chunkNum)
103 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
105 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
107 return update_size(pb, pos);
110 /* Sample size atom */
111 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
114 int i, j, entries = 0, tst = -1, oldtst = -1;
116 int64_t pos = avio_tell(pb);
117 avio_wb32(pb, 0); /* size */
118 ffio_wfourcc(pb, "stsz");
119 avio_wb32(pb, 0); /* version & flags */
121 for (i=0; i<track->entry; i++) {
122 tst = track->cluster[i].size/track->cluster[i].entries;
123 if(oldtst != -1 && tst != oldtst) {
127 entries += track->cluster[i].entries;
129 if (equalChunks && track->entry) {
130 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
131 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
132 avio_wb32(pb, sSize); // sample size
133 avio_wb32(pb, entries); // sample count
136 avio_wb32(pb, 0); // sample size
137 avio_wb32(pb, entries); // sample count
138 for (i=0; i<track->entry; i++) {
139 for (j=0; j<track->cluster[i].entries; j++) {
140 avio_wb32(pb, track->cluster[i].size /
141 track->cluster[i].entries);
145 return update_size(pb, pos);
148 /* Sample to chunk atom */
149 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
151 int index = 0, oldval = -1, i;
152 int64_t entryPos, curpos;
154 int64_t pos = avio_tell(pb);
155 avio_wb32(pb, 0); /* size */
156 ffio_wfourcc(pb, "stsc");
157 avio_wb32(pb, 0); // version & flags
158 entryPos = avio_tell(pb);
159 avio_wb32(pb, track->chunkCount); // entry count
160 for (i=0; i<track->entry; i++) {
161 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
163 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
164 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
165 avio_wb32(pb, 0x1); // sample description index
166 oldval = track->cluster[i].samples_in_chunk;
170 curpos = avio_tell(pb);
171 avio_seek(pb, entryPos, SEEK_SET);
172 avio_wb32(pb, index); // rewrite size
173 avio_seek(pb, curpos, SEEK_SET);
175 return update_size(pb, pos);
178 /* Sync sample atom */
179 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
181 int64_t curpos, entryPos;
183 int64_t pos = avio_tell(pb);
184 avio_wb32(pb, 0); // size
185 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
186 avio_wb32(pb, 0); // version & flags
187 entryPos = avio_tell(pb);
188 avio_wb32(pb, track->entry); // entry count
189 for (i=0; i<track->entry; i++) {
190 if (track->cluster[i].flags & flag) {
195 curpos = avio_tell(pb);
196 avio_seek(pb, entryPos, SEEK_SET);
197 avio_wb32(pb, index); // rewrite size
198 avio_seek(pb, curpos, SEEK_SET);
199 return update_size(pb, pos);
202 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
204 avio_wb32(pb, 0x11); /* size */
205 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
206 else ffio_wfourcc(pb, "damr");
207 ffio_wfourcc(pb, "FFMP");
208 avio_w8(pb, 0); /* decoder version */
210 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
211 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
212 avio_w8(pb, 0x01); /* Frames per sample */
216 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
221 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
223 if (track->vos_len < 7)
227 ffio_wfourcc(pb, "dac3");
229 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
230 fscod = get_bits(&gbc, 2);
231 frmsizecod = get_bits(&gbc, 6);
232 bsid = get_bits(&gbc, 5);
233 bsmod = get_bits(&gbc, 3);
234 acmod = get_bits(&gbc, 3);
236 skip_bits(&gbc, 2); // dsurmod
238 if ((acmod & 1) && acmod != 1)
239 skip_bits(&gbc, 2); // cmixlev
241 skip_bits(&gbc, 2); // surmixlev
243 lfeon = get_bits1(&gbc);
245 init_put_bits(&pbc, buf, sizeof(buf));
246 put_bits(&pbc, 2, fscod);
247 put_bits(&pbc, 5, bsid);
248 put_bits(&pbc, 3, bsmod);
249 put_bits(&pbc, 3, acmod);
250 put_bits(&pbc, 1, lfeon);
251 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
252 put_bits(&pbc, 5, 0); // reserved
254 flush_put_bits(&pbc);
255 avio_write(pb, buf, sizeof(buf));
261 * This function writes extradata "as is".
262 * Extradata must be formatted like a valid atom (with size and tag).
264 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
266 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
267 return track->enc->extradata_size;
270 static int mov_write_enda_tag(AVIOContext *pb)
273 ffio_wfourcc(pb, "enda");
274 avio_wb16(pb, 1); /* little endian */
278 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
283 avio_w8(pb, (size>>(7*i)) | 0x80);
284 avio_w8(pb, size & 0x7F);
287 static unsigned compute_avg_bitrate(MOVTrack *track)
291 if (!track->track_duration)
293 for (i = 0; i < track->entry; i++)
294 size += track->cluster[i].size;
295 return size * 8 * track->timescale / track->track_duration;
298 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
300 int64_t pos = avio_tell(pb);
301 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
302 unsigned avg_bitrate;
304 avio_wb32(pb, 0); // size
305 ffio_wfourcc(pb, "esds");
306 avio_wb32(pb, 0); // Version
309 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
310 avio_wb16(pb, track->track_id);
311 avio_w8(pb, 0x00); // flags (= no flags)
313 // DecoderConfig descriptor
314 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
316 // Object type indication
317 if ((track->enc->codec_id == CODEC_ID_MP2 ||
318 track->enc->codec_id == CODEC_ID_MP3) &&
319 track->enc->sample_rate > 24000)
320 avio_w8(pb, 0x6B); // 11172-3
322 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
324 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
325 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
326 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
327 avio_w8(pb, 0x15); // flags (= Audiostream)
329 avio_w8(pb, 0x11); // flags (= Visualstream)
331 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
332 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
334 avg_bitrate = compute_avg_bitrate(track);
335 // maxbitrate (FIXME should be max rate in any 1 sec window)
336 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
337 avio_wb32(pb, avg_bitrate);
339 if (track->vos_len) {
340 // DecoderSpecific info descriptor
341 put_descr(pb, 0x05, track->vos_len);
342 avio_write(pb, track->vos_data, track->vos_len);
346 put_descr(pb, 0x06, 1);
348 return update_size(pb, pos);
351 static int mov_pcm_le_gt16(enum CodecID codec_id)
353 return codec_id == CODEC_ID_PCM_S24LE ||
354 codec_id == CODEC_ID_PCM_S32LE ||
355 codec_id == CODEC_ID_PCM_F32LE ||
356 codec_id == CODEC_ID_PCM_F64LE;
359 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
361 int64_t pos = avio_tell(pb);
363 avio_wl32(pb, track->tag); // store it byteswapped
364 track->enc->codec_tag = av_bswap16(track->tag >> 16);
365 ff_put_wav_header(pb, track->enc);
366 return update_size(pb, pos);
369 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
371 int64_t pos = avio_tell(pb);
373 ffio_wfourcc(pb, "wfex");
374 ff_put_wav_header(pb, track->enc);
375 return update_size(pb, pos);
378 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
380 uint32_t layout_tag, bitmap;
381 int64_t pos = avio_tell(pb);
383 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
384 track->enc->channel_layout,
387 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
388 "lack of channel information\n");
392 avio_wb32(pb, 0); // Size
393 ffio_wfourcc(pb, "chan"); // Type
394 avio_w8(pb, 0); // Version
395 avio_wb24(pb, 0); // Flags
396 avio_wb32(pb, layout_tag); // mChannelLayoutTag
397 avio_wb32(pb, bitmap); // mChannelBitmap
398 avio_wb32(pb, 0); // mNumberChannelDescriptions
400 return update_size(pb, pos);
403 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
405 int64_t pos = avio_tell(pb);
407 avio_wb32(pb, 0); /* size */
408 ffio_wfourcc(pb, "wave");
410 avio_wb32(pb, 12); /* size */
411 ffio_wfourcc(pb, "frma");
412 avio_wl32(pb, track->tag);
414 if (track->enc->codec_id == CODEC_ID_AAC) {
415 /* useless atom needed by mplayer, ipod, not needed by quicktime */
416 avio_wb32(pb, 12); /* size */
417 ffio_wfourcc(pb, "mp4a");
419 mov_write_esds_tag(pb, track);
420 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
421 mov_write_enda_tag(pb);
422 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
423 mov_write_amr_tag(pb, track);
424 } else if (track->enc->codec_id == CODEC_ID_AC3) {
425 mov_write_chan_tag(pb, track);
426 mov_write_ac3_tag(pb, track);
427 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
428 mov_write_extradata_tag(pb, track);
429 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
430 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
431 mov_write_ms_tag(pb, track);
434 avio_wb32(pb, 8); /* size */
435 avio_wb32(pb, 0); /* null tag */
437 return update_size(pb, pos);
440 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
443 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
444 int unescaped_size, seq_found = 0;
445 int level = 0, interlace = 0;
446 int packet_seq = track->vc1_info.packet_seq;
447 int packet_entry = track->vc1_info.packet_entry;
448 int slices = track->vc1_info.slices;
451 if (track->start_dts == AV_NOPTS_VALUE) {
452 /* No packets written yet, vc1_info isn't authoritative yet. */
453 /* Assume inline sequence and entry headers. This will be
454 * overwritten at the end if the file is seekable. */
455 packet_seq = packet_entry = 1;
458 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
460 return AVERROR(ENOMEM);
461 start = find_next_marker(track->vos_data, end);
462 for (next = start; next < end; start = next) {
465 next = find_next_marker(start + 4, end);
466 size = next - start - 4;
469 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
470 init_get_bits(&gb, unescaped, 8 * unescaped_size);
471 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
472 int profile = get_bits(&gb, 2);
473 if (profile != PROFILE_ADVANCED) {
475 return AVERROR(ENOSYS);
478 level = get_bits(&gb, 3);
479 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
481 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
482 skip_bits(&gb, 1); /* broadcast */
483 interlace = get_bits1(&gb);
484 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
489 return AVERROR(ENOSYS);
492 init_put_bits(&pbc, buf, 7);
493 /* VC1DecSpecStruc */
494 put_bits(&pbc, 4, 12); /* profile - advanced */
495 put_bits(&pbc, 3, level);
496 put_bits(&pbc, 1, 0); /* reserved */
497 /* VC1AdvDecSpecStruc */
498 put_bits(&pbc, 3, level);
499 put_bits(&pbc, 1, 0); /* cbr */
500 put_bits(&pbc, 6, 0); /* reserved */
501 put_bits(&pbc, 1, !interlace); /* no interlace */
502 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
503 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
504 put_bits(&pbc, 1, !slices); /* no slice code */
505 put_bits(&pbc, 1, 0); /* no bframe */
506 put_bits(&pbc, 1, 0); /* reserved */
507 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
508 flush_put_bits(&pbc);
515 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
517 uint8_t buf[7] = { 0 };
520 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
523 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
524 ffio_wfourcc(pb, "dvc1");
525 track->vc1_info.struct_offset = avio_tell(pb);
526 avio_write(pb, buf, sizeof(buf));
527 avio_write(pb, track->vos_data, track->vos_len);
532 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
534 avio_wb32(pb, track->vos_len + 8);
535 ffio_wfourcc(pb, "glbl");
536 avio_write(pb, track->vos_data, track->vos_len);
537 return 8 + track->vos_len;
541 * Compute flags for 'lpcm' tag.
542 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
544 static int mov_get_lpcm_flags(enum CodecID codec_id)
547 case CODEC_ID_PCM_F32BE:
548 case CODEC_ID_PCM_F64BE:
550 case CODEC_ID_PCM_F32LE:
551 case CODEC_ID_PCM_F64LE:
553 case CODEC_ID_PCM_U8:
555 case CODEC_ID_PCM_S16BE:
556 case CODEC_ID_PCM_S24BE:
557 case CODEC_ID_PCM_S32BE:
559 case CODEC_ID_PCM_S8:
560 case CODEC_ID_PCM_S16LE:
561 case CODEC_ID_PCM_S24LE:
562 case CODEC_ID_PCM_S32LE:
569 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
573 if (cluster_idx >= track->entry)
576 if (cluster_idx + 1 == track->entry)
577 next_dts = track->track_duration + track->start_dts;
579 next_dts = track->cluster[cluster_idx + 1].dts;
581 return next_dts - track->cluster[cluster_idx].dts;
584 static int get_samples_per_packet(MOVTrack *track)
586 int i, first_duration;
588 // return track->enc->frame_size;
590 /* use 1 for raw PCM */
591 if (!track->audio_vbr)
594 /* check to see if duration is constant for all clusters */
597 first_duration = get_cluster_duration(track, 0);
598 for (i = 1; i < track->entry; i++) {
599 if (get_cluster_duration(track, i) != first_duration)
602 return first_duration;
605 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
607 int64_t pos = avio_tell(pb);
609 uint32_t tag = track->tag;
611 if (track->mode == MODE_MOV) {
612 if (track->timescale > UINT16_MAX) {
613 if (mov_get_lpcm_flags(track->enc->codec_id))
614 tag = AV_RL32("lpcm");
616 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
617 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
618 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
623 avio_wb32(pb, 0); /* size */
624 avio_wl32(pb, tag); // store it byteswapped
625 avio_wb32(pb, 0); /* Reserved */
626 avio_wb16(pb, 0); /* Reserved */
627 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
629 /* SoundDescription */
630 avio_wb16(pb, version); /* Version */
631 avio_wb16(pb, 0); /* Revision level */
632 avio_wb32(pb, 0); /* Reserved */
637 avio_wb16(pb, 0xfffe);
639 avio_wb32(pb, 0x00010000);
641 avio_wb64(pb, av_double2int(track->enc->sample_rate));
642 avio_wb32(pb, track->enc->channels);
643 avio_wb32(pb, 0x7F000000);
644 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
645 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
646 avio_wb32(pb, track->sample_size);
647 avio_wb32(pb, get_samples_per_packet(track));
649 if (track->mode == MODE_MOV) {
650 avio_wb16(pb, track->enc->channels);
651 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
652 track->enc->codec_id == CODEC_ID_PCM_S8)
653 avio_wb16(pb, 8); /* bits per sample */
656 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
657 } else { /* reserved for mp4/3gp */
663 avio_wb16(pb, 0); /* packet size (= 0) */
664 avio_wb16(pb, track->enc->sample_rate);
665 avio_wb16(pb, 0); /* Reserved */
668 if(version == 1) { /* SoundDescription V1 extended info */
669 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
670 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
671 avio_wb32(pb, track->sample_size); /* Bytes per frame */
672 avio_wb32(pb, 2); /* Bytes per sample */
675 if(track->mode == MODE_MOV &&
676 (track->enc->codec_id == CODEC_ID_AAC ||
677 track->enc->codec_id == CODEC_ID_AC3 ||
678 track->enc->codec_id == CODEC_ID_AMR_NB ||
679 track->enc->codec_id == CODEC_ID_ALAC ||
680 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
681 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
682 mov_pcm_le_gt16(track->enc->codec_id)))
683 mov_write_wave_tag(pb, track);
684 else if(track->tag == MKTAG('m','p','4','a'))
685 mov_write_esds_tag(pb, track);
686 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
687 mov_write_amr_tag(pb, track);
688 else if(track->enc->codec_id == CODEC_ID_AC3)
689 mov_write_ac3_tag(pb, track);
690 else if(track->enc->codec_id == CODEC_ID_ALAC)
691 mov_write_extradata_tag(pb, track);
692 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
693 mov_write_wfex_tag(pb, track);
694 else if (track->vos_len > 0)
695 mov_write_glbl_tag(pb, track);
697 return update_size(pb, pos);
700 static int mov_write_d263_tag(AVIOContext *pb)
702 avio_wb32(pb, 0xf); /* size */
703 ffio_wfourcc(pb, "d263");
704 ffio_wfourcc(pb, "FFMP");
705 avio_w8(pb, 0); /* decoder version */
706 /* FIXME use AVCodecContext level/profile, when encoder will set values */
707 avio_w8(pb, 0xa); /* level */
708 avio_w8(pb, 0); /* profile */
712 /* TODO: No idea about these values */
713 static int mov_write_svq3_tag(AVIOContext *pb)
716 ffio_wfourcc(pb, "SMI ");
717 ffio_wfourcc(pb, "SEQH");
719 avio_wb32(pb, 0xe2c0211d);
720 avio_wb32(pb, 0xc0000000);
725 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
727 int64_t pos = avio_tell(pb);
730 ffio_wfourcc(pb, "avcC");
731 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
732 return update_size(pb, pos);
735 /* also used by all avid codecs (dv, imx, meridien) and their variants */
736 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
739 avio_wb32(pb, 24); /* size */
740 ffio_wfourcc(pb, "ACLR");
741 ffio_wfourcc(pb, "ACLR");
742 ffio_wfourcc(pb, "0001");
743 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
744 avio_wb32(pb, 0); /* unknown */
746 avio_wb32(pb, 24); /* size */
747 ffio_wfourcc(pb, "APRG");
748 ffio_wfourcc(pb, "APRG");
749 ffio_wfourcc(pb, "0001");
750 avio_wb32(pb, 1); /* unknown */
751 avio_wb32(pb, 0); /* unknown */
753 avio_wb32(pb, 120); /* size */
754 ffio_wfourcc(pb, "ARES");
755 ffio_wfourcc(pb, "ARES");
756 ffio_wfourcc(pb, "0001");
757 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
758 avio_wb32(pb, track->enc->width);
759 /* values below are based on samples created with quicktime and avid codecs */
760 if (track->vos_data[5] & 2) { // interlaced
761 avio_wb32(pb, track->enc->height/2);
762 avio_wb32(pb, 2); /* unknown */
763 avio_wb32(pb, 0); /* unknown */
764 avio_wb32(pb, 4); /* unknown */
766 avio_wb32(pb, track->enc->height);
767 avio_wb32(pb, 1); /* unknown */
768 avio_wb32(pb, 0); /* unknown */
769 if (track->enc->height == 1080)
770 avio_wb32(pb, 5); /* unknown */
772 avio_wb32(pb, 6); /* unknown */
775 for (i = 0; i < 10; i++)
778 /* extra padding for stsd needed */
783 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
785 int tag = track->enc->codec_tag;
787 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
790 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
791 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
792 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
793 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
794 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
795 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
796 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
801 static const AVCodecTag codec_ipod_tags[] = {
802 { CODEC_ID_H264, MKTAG('a','v','c','1') },
803 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
804 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
805 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
806 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
807 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
808 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
809 { CODEC_ID_NONE, 0 },
812 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
814 int tag = track->enc->codec_tag;
816 // keep original tag for subs, ipod supports both formats
817 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
818 (tag == MKTAG('t','x','3','g') ||
819 tag == MKTAG('t','e','x','t'))))
820 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
822 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
823 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
824 "Quicktime/Ipod might not play the file\n");
829 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
833 if (track->enc->width == 720) /* SD */
834 if (track->enc->height == 480) /* NTSC */
835 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
836 else tag = MKTAG('d','v','c',' ');
837 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
838 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
839 else tag = MKTAG('d','v','p','p');
840 else if (track->enc->height == 720) /* HD 720 line */
841 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
842 else tag = MKTAG('d','v','h','p');
843 else if (track->enc->height == 1080) /* HD 1080 line */
844 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
845 else tag = MKTAG('d','v','h','6');
847 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
854 static const struct {
855 enum PixelFormat pix_fmt;
858 } mov_pix_fmt_tags[] = {
859 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
860 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
861 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
862 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
863 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
864 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
865 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
866 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
867 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
868 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
869 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
870 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
871 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
872 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
875 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
877 int tag = track->enc->codec_tag;
880 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
881 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
882 tag = mov_pix_fmt_tags[i].tag;
883 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
891 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
893 int tag = track->enc->codec_tag;
895 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
896 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
897 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
898 track->enc->codec_id == CODEC_ID_H263 ||
899 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
900 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
901 tag = mov_get_dv_codec_tag(s, track);
902 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
903 tag = mov_get_rawvideo_codec_tag(s, track);
904 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
905 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
906 if (!tag) { // if no mac fcc found, try with Microsoft tags
907 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
909 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
910 "the file may be unplayable!\n");
912 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
913 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
914 if (!tag) { // if no mac fcc found, try with Microsoft tags
915 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
917 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
918 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
919 "the file may be unplayable!\n");
922 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
923 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
929 static const AVCodecTag codec_3gp_tags[] = {
930 { CODEC_ID_H263, MKTAG('s','2','6','3') },
931 { CODEC_ID_H264, MKTAG('a','v','c','1') },
932 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
933 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
934 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
935 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
936 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
937 { CODEC_ID_NONE, 0 },
940 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
942 int tag = track->enc->codec_tag;
944 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
945 tag = mp4_get_codec_tag(s, track);
946 else if (track->mode == MODE_ISM) {
947 tag = mp4_get_codec_tag(s, track);
948 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
949 tag = MKTAG('w', 'm', 'a', ' ');
950 } else if (track->mode == MODE_IPOD)
951 tag = ipod_get_codec_tag(s, track);
952 else if (track->mode & MODE_3GP)
953 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
955 tag = mov_get_codec_tag(s, track);
961 * Needed to make file play in iPods running newest firmware
962 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
964 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
967 ffio_wfourcc(pb, "uuid");
968 avio_wb32(pb, 0x6b6840f2);
969 avio_wb32(pb, 0x5f244fc5);
970 avio_wb32(pb, 0xba39a51b);
971 avio_wb32(pb, 0xcf0323f3);
976 static const uint16_t fiel_data[] = {
977 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
980 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
982 unsigned mov_field_order = 0;
983 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
984 mov_field_order = fiel_data[track->enc->field_order];
988 ffio_wfourcc(pb, "fiel");
989 avio_wb16(pb, mov_field_order);
993 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
995 int64_t pos = avio_tell(pb);
996 avio_wb32(pb, 0); /* size */
997 avio_wl32(pb, track->tag); // store it byteswapped
998 avio_wb32(pb, 0); /* Reserved */
999 avio_wb16(pb, 0); /* Reserved */
1000 avio_wb16(pb, 1); /* Data-reference index */
1002 if (track->enc->extradata_size)
1003 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1005 return update_size(pb, pos);
1008 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1011 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1012 track->enc->sample_aspect_ratio.den, INT_MAX);
1015 ffio_wfourcc(pb, "pasp");
1016 avio_wb32(pb, sar.num);
1017 avio_wb32(pb, sar.den);
1021 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1023 int64_t pos = avio_tell(pb);
1024 char compressor_name[32];
1026 avio_wb32(pb, 0); /* size */
1027 avio_wl32(pb, track->tag); // store it byteswapped
1028 avio_wb32(pb, 0); /* Reserved */
1029 avio_wb16(pb, 0); /* Reserved */
1030 avio_wb16(pb, 1); /* Data-reference index */
1032 avio_wb16(pb, 0); /* Codec stream version */
1033 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1034 if (track->mode == MODE_MOV) {
1035 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1036 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
1037 avio_wb32(pb, 0); /* Temporal Quality */
1038 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1040 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1041 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1044 avio_wb32(pb, 0); /* Reserved */
1045 avio_wb32(pb, 0); /* Reserved */
1046 avio_wb32(pb, 0); /* Reserved */
1048 avio_wb16(pb, track->enc->width); /* Video width */
1049 avio_wb16(pb, track->height); /* Video height */
1050 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1051 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1052 avio_wb32(pb, 0); /* Data size (= 0) */
1053 avio_wb16(pb, 1); /* Frame count (= 1) */
1055 memset(compressor_name,0,32);
1056 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1057 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1058 av_strlcpy(compressor_name,track->enc->codec->name,32);
1059 avio_w8(pb, strlen(compressor_name));
1060 avio_write(pb, compressor_name, 31);
1062 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1063 avio_wb16(pb, track->enc->bits_per_coded_sample);
1065 avio_wb16(pb, 0x18); /* Reserved */
1066 avio_wb16(pb, 0xffff); /* Reserved */
1067 if(track->tag == MKTAG('m','p','4','v'))
1068 mov_write_esds_tag(pb, track);
1069 else if(track->enc->codec_id == CODEC_ID_H263)
1070 mov_write_d263_tag(pb);
1071 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1072 mov_write_svq3_tag(pb);
1073 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1074 mov_write_avid_tag(pb, track);
1075 else if(track->enc->codec_id == CODEC_ID_H264) {
1076 mov_write_avcc_tag(pb, track);
1077 if(track->mode == MODE_IPOD)
1078 mov_write_uuid_tag_ipod(pb);
1079 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1080 mov_write_fiel_tag(pb, track);
1081 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1082 mov_write_dvc1_tag(pb, track);
1083 else if (track->vos_len > 0)
1084 mov_write_glbl_tag(pb, track);
1086 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1087 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1088 mov_write_pasp_tag(pb, track);
1091 return update_size(pb, pos);
1094 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1096 int64_t pos = avio_tell(pb);
1097 avio_wb32(pb, 0); /* size */
1098 ffio_wfourcc(pb, "rtp ");
1099 avio_wb32(pb, 0); /* Reserved */
1100 avio_wb16(pb, 0); /* Reserved */
1101 avio_wb16(pb, 1); /* Data-reference index */
1103 avio_wb16(pb, 1); /* Hint track version */
1104 avio_wb16(pb, 1); /* Highest compatible version */
1105 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1107 avio_wb32(pb, 12); /* size */
1108 ffio_wfourcc(pb, "tims");
1109 avio_wb32(pb, track->timescale);
1111 return update_size(pb, pos);
1114 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1116 int64_t pos = avio_tell(pb);
1117 avio_wb32(pb, 0); /* size */
1118 ffio_wfourcc(pb, "stsd");
1119 avio_wb32(pb, 0); /* version & flags */
1120 avio_wb32(pb, 1); /* entry count */
1121 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1122 mov_write_video_tag(pb, track);
1123 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1124 mov_write_audio_tag(pb, track);
1125 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1126 mov_write_subtitle_tag(pb, track);
1127 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1128 mov_write_rtp_tag(pb, track);
1129 return update_size(pb, pos);
1132 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1134 MOVStts *ctts_entries;
1135 uint32_t entries = 0;
1139 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1140 ctts_entries[0].count = 1;
1141 ctts_entries[0].duration = track->cluster[0].cts;
1142 for (i=1; i<track->entry; i++) {
1143 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1144 ctts_entries[entries].count++; /* compress */
1147 ctts_entries[entries].duration = track->cluster[i].cts;
1148 ctts_entries[entries].count = 1;
1151 entries++; /* last one */
1152 atom_size = 16 + (entries * 8);
1153 avio_wb32(pb, atom_size); /* size */
1154 ffio_wfourcc(pb, "ctts");
1155 avio_wb32(pb, 0); /* version & flags */
1156 avio_wb32(pb, entries); /* entry count */
1157 for (i=0; i<entries; i++) {
1158 avio_wb32(pb, ctts_entries[i].count);
1159 avio_wb32(pb, ctts_entries[i].duration);
1161 av_free(ctts_entries);
1165 /* Time to sample atom */
1166 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1168 MOVStts *stts_entries;
1169 uint32_t entries = -1;
1173 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1174 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1175 stts_entries[0].count = track->sample_count;
1176 stts_entries[0].duration = 1;
1179 stts_entries = track->entry ?
1180 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1182 for (i=0; i<track->entry; i++) {
1183 int duration = get_cluster_duration(track, i);
1184 if (i && duration == stts_entries[entries].duration) {
1185 stts_entries[entries].count++; /* compress */
1188 stts_entries[entries].duration = duration;
1189 stts_entries[entries].count = 1;
1192 entries++; /* last one */
1194 atom_size = 16 + (entries * 8);
1195 avio_wb32(pb, atom_size); /* size */
1196 ffio_wfourcc(pb, "stts");
1197 avio_wb32(pb, 0); /* version & flags */
1198 avio_wb32(pb, entries); /* entry count */
1199 for (i=0; i<entries; i++) {
1200 avio_wb32(pb, stts_entries[i].count);
1201 avio_wb32(pb, stts_entries[i].duration);
1203 av_free(stts_entries);
1207 static int mov_write_dref_tag(AVIOContext *pb)
1209 avio_wb32(pb, 28); /* size */
1210 ffio_wfourcc(pb, "dref");
1211 avio_wb32(pb, 0); /* version & flags */
1212 avio_wb32(pb, 1); /* entry count */
1214 avio_wb32(pb, 0xc); /* size */
1215 //FIXME add the alis and rsrc atom
1216 ffio_wfourcc(pb, "url ");
1217 avio_wb32(pb, 1); /* version & flags */
1222 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1224 int64_t pos = avio_tell(pb);
1225 avio_wb32(pb, 0); /* size */
1226 ffio_wfourcc(pb, "stbl");
1227 mov_write_stsd_tag(pb, track);
1228 mov_write_stts_tag(pb, track);
1229 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1230 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1231 track->has_keyframes && track->has_keyframes < track->entry)
1232 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1233 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1234 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1235 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1236 track->flags & MOV_TRACK_CTTS)
1237 mov_write_ctts_tag(pb, track);
1238 mov_write_stsc_tag(pb, track);
1239 mov_write_stsz_tag(pb, track);
1240 mov_write_stco_tag(pb, track);
1241 return update_size(pb, pos);
1244 static int mov_write_dinf_tag(AVIOContext *pb)
1246 int64_t pos = avio_tell(pb);
1247 avio_wb32(pb, 0); /* size */
1248 ffio_wfourcc(pb, "dinf");
1249 mov_write_dref_tag(pb);
1250 return update_size(pb, pos);
1253 static int mov_write_nmhd_tag(AVIOContext *pb)
1256 ffio_wfourcc(pb, "nmhd");
1261 static int mov_write_gmhd_tag(AVIOContext *pb)
1263 avio_wb32(pb, 0x20); /* size */
1264 ffio_wfourcc(pb, "gmhd");
1265 avio_wb32(pb, 0x18); /* gmin size */
1266 ffio_wfourcc(pb, "gmin");/* generic media info */
1267 avio_wb32(pb, 0); /* version & flags */
1268 avio_wb16(pb, 0x40); /* graphics mode = */
1269 avio_wb16(pb, 0x8000); /* opColor (r?) */
1270 avio_wb16(pb, 0x8000); /* opColor (g?) */
1271 avio_wb16(pb, 0x8000); /* opColor (b?) */
1272 avio_wb16(pb, 0); /* balance */
1273 avio_wb16(pb, 0); /* reserved */
1277 static int mov_write_smhd_tag(AVIOContext *pb)
1279 avio_wb32(pb, 16); /* size */
1280 ffio_wfourcc(pb, "smhd");
1281 avio_wb32(pb, 0); /* version & flags */
1282 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1283 avio_wb16(pb, 0); /* reserved */
1287 static int mov_write_vmhd_tag(AVIOContext *pb)
1289 avio_wb32(pb, 0x14); /* size (always 0x14) */
1290 ffio_wfourcc(pb, "vmhd");
1291 avio_wb32(pb, 0x01); /* version & flags */
1292 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1296 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1298 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1299 int64_t pos = avio_tell(pb);
1301 if (!track) { /* no media --> data handler */
1304 descr = "DataHandler";
1306 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1307 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1309 descr = "VideoHandler";
1310 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1312 descr = "SoundHandler";
1313 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1314 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1315 else hdlr_type = "text";
1316 descr = "SubtitleHandler";
1317 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1319 descr = "HintHandler";
1323 avio_wb32(pb, 0); /* size */
1324 ffio_wfourcc(pb, "hdlr");
1325 avio_wb32(pb, 0); /* Version & flags */
1326 avio_write(pb, hdlr, 4); /* handler */
1327 ffio_wfourcc(pb, hdlr_type); /* handler type */
1328 avio_wb32(pb ,0); /* reserved */
1329 avio_wb32(pb ,0); /* reserved */
1330 avio_wb32(pb ,0); /* reserved */
1331 if (!track || track->mode == MODE_MOV)
1332 avio_w8(pb, strlen(descr)); /* pascal string */
1333 avio_write(pb, descr, strlen(descr)); /* handler description */
1334 if (track && track->mode != MODE_MOV)
1335 avio_w8(pb, 0); /* c string */
1336 return update_size(pb, pos);
1339 static int mov_write_hmhd_tag(AVIOContext *pb)
1341 /* This atom must be present, but leaving the values at zero
1342 * seems harmless. */
1343 avio_wb32(pb, 28); /* size */
1344 ffio_wfourcc(pb, "hmhd");
1345 avio_wb32(pb, 0); /* version, flags */
1346 avio_wb16(pb, 0); /* maxPDUsize */
1347 avio_wb16(pb, 0); /* avgPDUsize */
1348 avio_wb32(pb, 0); /* maxbitrate */
1349 avio_wb32(pb, 0); /* avgbitrate */
1350 avio_wb32(pb, 0); /* reserved */
1354 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1356 int64_t pos = avio_tell(pb);
1357 avio_wb32(pb, 0); /* size */
1358 ffio_wfourcc(pb, "minf");
1359 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1360 mov_write_vmhd_tag(pb);
1361 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1362 mov_write_smhd_tag(pb);
1363 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1364 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1365 else mov_write_nmhd_tag(pb);
1366 } else if (track->tag == MKTAG('r','t','p',' ')) {
1367 mov_write_hmhd_tag(pb);
1369 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1370 mov_write_hdlr_tag(pb, NULL);
1371 mov_write_dinf_tag(pb);
1372 mov_write_stbl_tag(pb, track);
1373 return update_size(pb, pos);
1376 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1378 int version = track->track_duration < INT32_MAX ? 0 : 1;
1380 if (track->mode == MODE_ISM)
1383 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1384 ffio_wfourcc(pb, "mdhd");
1385 avio_w8(pb, version);
1386 avio_wb24(pb, 0); /* flags */
1388 avio_wb64(pb, track->time);
1389 avio_wb64(pb, track->time);
1391 avio_wb32(pb, track->time); /* creation time */
1392 avio_wb32(pb, track->time); /* modification time */
1394 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1396 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1398 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1399 avio_wb16(pb, track->language); /* language */
1400 avio_wb16(pb, 0); /* reserved (quality) */
1402 if(version!=0 && track->mode == MODE_MOV){
1403 av_log(NULL, AV_LOG_ERROR,
1404 "FATAL error, file duration too long for timebase, this file will not be\n"
1405 "playable with quicktime. Choose a different timebase or a different\n"
1406 "container format\n");
1412 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1414 int64_t pos = avio_tell(pb);
1415 avio_wb32(pb, 0); /* size */
1416 ffio_wfourcc(pb, "mdia");
1417 mov_write_mdhd_tag(pb, track);
1418 mov_write_hdlr_tag(pb, track);
1419 mov_write_minf_tag(pb, track);
1420 return update_size(pb, pos);
1423 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1425 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1426 track->timescale, AV_ROUND_UP);
1427 int version = duration < INT32_MAX ? 0 : 1;
1429 if (track->mode == MODE_ISM)
1432 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1433 ffio_wfourcc(pb, "tkhd");
1434 avio_w8(pb, version);
1435 avio_wb24(pb, 0xf); /* flags (track enabled) */
1437 avio_wb64(pb, track->time);
1438 avio_wb64(pb, track->time);
1440 avio_wb32(pb, track->time); /* creation time */
1441 avio_wb32(pb, track->time); /* modification time */
1443 avio_wb32(pb, track->track_id); /* track-id */
1444 avio_wb32(pb, 0); /* reserved */
1446 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1448 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1450 avio_wb32(pb, 0); /* reserved */
1451 avio_wb32(pb, 0); /* reserved */
1452 avio_wb16(pb, 0); /* layer */
1453 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1454 /* Volume, only for audio */
1455 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1456 avio_wb16(pb, 0x0100);
1459 avio_wb16(pb, 0); /* reserved */
1461 /* Matrix structure */
1462 avio_wb32(pb, 0x00010000); /* reserved */
1463 avio_wb32(pb, 0x0); /* reserved */
1464 avio_wb32(pb, 0x0); /* reserved */
1465 avio_wb32(pb, 0x0); /* reserved */
1466 avio_wb32(pb, 0x00010000); /* reserved */
1467 avio_wb32(pb, 0x0); /* reserved */
1468 avio_wb32(pb, 0x0); /* reserved */
1469 avio_wb32(pb, 0x0); /* reserved */
1470 avio_wb32(pb, 0x40000000); /* reserved */
1472 /* Track width and height, for visual only */
1473 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1474 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1475 if(track->mode == MODE_MOV) {
1476 avio_wb32(pb, track->enc->width << 16);
1477 avio_wb32(pb, track->height << 16);
1479 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1480 if(!sample_aspect_ratio || track->height != track->enc->height)
1481 sample_aspect_ratio = 1;
1482 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1483 avio_wb32(pb, track->height*0x10000);
1493 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1495 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1496 track->enc->sample_aspect_ratio.den);
1498 int64_t pos = avio_tell(pb);
1500 avio_wb32(pb, 0); /* size */
1501 ffio_wfourcc(pb, "tapt");
1504 ffio_wfourcc(pb, "clef");
1506 avio_wb32(pb, width << 16);
1507 avio_wb32(pb, track->enc->height << 16);
1510 ffio_wfourcc(pb, "enof");
1512 avio_wb32(pb, track->enc->width << 16);
1513 avio_wb32(pb, track->enc->height << 16);
1515 return update_size(pb, pos);
1518 // This box seems important for the psp playback ... without it the movie seems to hang
1519 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1521 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1522 track->timescale, AV_ROUND_UP);
1523 int version = duration < INT32_MAX ? 0 : 1;
1524 int entry_size, entry_count, size;
1525 int64_t delay, start_ct = track->cluster[0].cts;
1526 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1527 track->timescale, AV_ROUND_DOWN);
1528 version |= delay < INT32_MAX ? 0 : 1;
1530 entry_size = (version == 1) ? 20 : 12;
1531 entry_count = 1 + (delay > 0);
1532 size = 24 + entry_count * entry_size;
1534 /* write the atom data */
1535 avio_wb32(pb, size);
1536 ffio_wfourcc(pb, "edts");
1537 avio_wb32(pb, size - 8);
1538 ffio_wfourcc(pb, "elst");
1539 avio_w8(pb, version);
1540 avio_wb24(pb, 0); /* flags */
1542 avio_wb32(pb, entry_count);
1543 if (delay > 0) { /* add an empty edit to delay presentation */
1545 avio_wb64(pb, delay);
1548 avio_wb32(pb, delay);
1551 avio_wb32(pb, 0x00010000);
1556 avio_wb64(pb, duration);
1557 avio_wb64(pb, start_ct);
1559 avio_wb32(pb, duration);
1560 avio_wb32(pb, start_ct);
1562 avio_wb32(pb, 0x00010000);
1566 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1568 avio_wb32(pb, 20); // size
1569 ffio_wfourcc(pb, "tref");
1570 avio_wb32(pb, 12); // size (subatom)
1571 avio_wl32(pb, track->tref_tag);
1572 avio_wb32(pb, track->tref_id);
1576 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1577 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1579 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1580 ffio_wfourcc(pb, "uuid");
1581 ffio_wfourcc(pb, "USMT");
1582 avio_wb32(pb, 0x21d24fce);
1583 avio_wb32(pb, 0xbb88695c);
1584 avio_wb32(pb, 0xfac9c740);
1585 avio_wb32(pb, 0x1c); // another size here!
1586 ffio_wfourcc(pb, "MTDT");
1587 avio_wb32(pb, 0x00010012);
1588 avio_wb32(pb, 0x0a);
1589 avio_wb32(pb, 0x55c40000);
1595 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1597 char buf[1000] = "";
1600 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1601 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1604 avio_wb32(pb, len + 24);
1605 ffio_wfourcc(pb, "udta");
1606 avio_wb32(pb, len + 16);
1607 ffio_wfourcc(pb, "hnti");
1608 avio_wb32(pb, len + 8);
1609 ffio_wfourcc(pb, "sdp ");
1610 avio_write(pb, buf, len);
1614 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1615 MOVTrack *track, AVStream *st)
1617 int64_t pos = avio_tell(pb);
1618 avio_wb32(pb, 0); /* size */
1619 ffio_wfourcc(pb, "trak");
1620 mov_write_tkhd_tag(pb, track, st);
1621 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1622 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1623 if (track->tref_tag)
1624 mov_write_tref_tag(pb, track);
1625 mov_write_mdia_tag(pb, track);
1626 if (track->mode == MODE_PSP)
1627 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1628 if (track->tag == MKTAG('r','t','p',' '))
1629 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1630 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1631 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1632 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1633 mov_write_tapt_tag(pb, track);
1635 return update_size(pb, pos);
1638 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1640 int i, has_audio = 0, has_video = 0;
1641 int64_t pos = avio_tell(pb);
1642 int audio_profile = mov->iods_audio_profile;
1643 int video_profile = mov->iods_video_profile;
1644 for (i = 0; i < mov->nb_streams; i++) {
1645 if(mov->tracks[i].entry > 0) {
1646 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1647 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1650 if (audio_profile < 0)
1651 audio_profile = 0xFF - has_audio;
1652 if (video_profile < 0)
1653 video_profile = 0xFF - has_video;
1654 avio_wb32(pb, 0x0); /* size */
1655 ffio_wfourcc(pb, "iods");
1656 avio_wb32(pb, 0); /* version & flags */
1657 put_descr(pb, 0x10, 7);
1658 avio_wb16(pb, 0x004f);
1661 avio_w8(pb, audio_profile);
1662 avio_w8(pb, video_profile);
1664 return update_size(pb, pos);
1667 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1669 avio_wb32(pb, 0x20); /* size */
1670 ffio_wfourcc(pb, "trex");
1671 avio_wb32(pb, 0); /* version & flags */
1672 avio_wb32(pb, track->track_id); /* track ID */
1673 avio_wb32(pb, 1); /* default sample description index */
1674 avio_wb32(pb, 0); /* default sample duration */
1675 avio_wb32(pb, 0); /* default sample size */
1676 avio_wb32(pb, 0); /* default sample flags */
1680 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1682 int64_t pos = avio_tell(pb);
1684 avio_wb32(pb, 0x0); /* size */
1685 ffio_wfourcc(pb, "mvex");
1686 for (i = 0; i < mov->nb_streams; i++)
1687 mov_write_trex_tag(pb, &mov->tracks[i]);
1688 return update_size(pb, pos);
1691 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1693 int max_track_id = 1, i;
1694 int64_t max_track_len_temp, max_track_len = 0;
1697 for (i=0; i<mov->nb_streams; i++) {
1698 if(mov->tracks[i].entry > 0) {
1699 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1701 mov->tracks[i].timescale,
1703 if (max_track_len < max_track_len_temp)
1704 max_track_len = max_track_len_temp;
1705 if (max_track_id < mov->tracks[i].track_id)
1706 max_track_id = mov->tracks[i].track_id;
1710 version = max_track_len < UINT32_MAX ? 0 : 1;
1711 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1712 ffio_wfourcc(pb, "mvhd");
1713 avio_w8(pb, version);
1714 avio_wb24(pb, 0); /* flags */
1716 avio_wb64(pb, mov->time);
1717 avio_wb64(pb, mov->time);
1719 avio_wb32(pb, mov->time); /* creation time */
1720 avio_wb32(pb, mov->time); /* modification time */
1722 avio_wb32(pb, MOV_TIMESCALE);
1723 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1725 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1726 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1727 avio_wb16(pb, 0); /* reserved */
1728 avio_wb32(pb, 0); /* reserved */
1729 avio_wb32(pb, 0); /* reserved */
1731 /* Matrix structure */
1732 avio_wb32(pb, 0x00010000); /* reserved */
1733 avio_wb32(pb, 0x0); /* reserved */
1734 avio_wb32(pb, 0x0); /* reserved */
1735 avio_wb32(pb, 0x0); /* reserved */
1736 avio_wb32(pb, 0x00010000); /* reserved */
1737 avio_wb32(pb, 0x0); /* reserved */
1738 avio_wb32(pb, 0x0); /* reserved */
1739 avio_wb32(pb, 0x0); /* reserved */
1740 avio_wb32(pb, 0x40000000); /* reserved */
1742 avio_wb32(pb, 0); /* reserved (preview time) */
1743 avio_wb32(pb, 0); /* reserved (preview duration) */
1744 avio_wb32(pb, 0); /* reserved (poster time) */
1745 avio_wb32(pb, 0); /* reserved (selection time) */
1746 avio_wb32(pb, 0); /* reserved (selection duration) */
1747 avio_wb32(pb, 0); /* reserved (current time) */
1748 avio_wb32(pb, max_track_id + 1); /* Next track id */
1752 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1755 avio_wb32(pb, 33); /* size */
1756 ffio_wfourcc(pb, "hdlr");
1759 ffio_wfourcc(pb, "mdir");
1760 ffio_wfourcc(pb, "appl");
1767 /* helper function to write a data tag with the specified string as data */
1768 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1771 int size = 16 + strlen(data);
1772 avio_wb32(pb, size); /* size */
1773 ffio_wfourcc(pb, "data");
1776 avio_write(pb, data, strlen(data));
1780 lang = ff_mov_iso639_to_lang("und", 1);
1781 avio_wb16(pb, strlen(data)); /* string length */
1782 avio_wb16(pb, lang);
1783 avio_write(pb, data, strlen(data));
1784 return strlen(data) + 4;
1788 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1790 if (value && value[0]) {
1791 int64_t pos = avio_tell(pb);
1792 avio_wb32(pb, 0); /* size */
1793 ffio_wfourcc(pb, name);
1794 mov_write_string_data_tag(pb, value, lang, long_style);
1795 size = update_size(pb, pos);
1800 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1801 const char *name, const char *tag,
1804 int l, lang = 0, len, len2;
1805 AVDictionaryEntry *t, *t2 = NULL;
1808 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1811 len = strlen(t->key);
1812 snprintf(tag2, sizeof(tag2), "%s-", tag);
1813 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1814 len2 = strlen(t2->key);
1815 if (len2 == len+4 && !strcmp(t->value, t2->value)
1816 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1821 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1824 /* iTunes track number */
1825 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1828 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1829 int size = 0, track = t ? atoi(t->value) : 0;
1831 avio_wb32(pb, 32); /* size */
1832 ffio_wfourcc(pb, "trkn");
1833 avio_wb32(pb, 24); /* size */
1834 ffio_wfourcc(pb, "data");
1835 avio_wb32(pb, 0); // 8 bytes empty
1837 avio_wb16(pb, 0); // empty
1838 avio_wb16(pb, track); // track number
1839 avio_wb16(pb, 0); // total track number
1840 avio_wb16(pb, 0); // empty
1846 /* iTunes meta data list */
1847 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1850 int64_t pos = avio_tell(pb);
1851 avio_wb32(pb, 0); /* size */
1852 ffio_wfourcc(pb, "ilst");
1853 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1854 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1855 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1856 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1857 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1858 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1859 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1860 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1861 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1862 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1863 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1864 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1865 mov_write_string_metadata(s, pb, "desc", "description",1);
1866 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1867 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1868 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1869 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1870 mov_write_trkn_tag(pb, mov, s);
1871 return update_size(pb, pos);
1874 /* iTunes meta data tag */
1875 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1879 int64_t pos = avio_tell(pb);
1880 avio_wb32(pb, 0); /* size */
1881 ffio_wfourcc(pb, "meta");
1883 mov_write_itunes_hdlr_tag(pb, mov, s);
1884 mov_write_ilst_tag(pb, mov, s);
1885 size = update_size(pb, pos);
1889 static int utf8len(const uint8_t *b)
1894 GET_UTF8(val, *b++, return -1;)
1900 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1904 GET_UTF8(val, *b++, return -1;)
1907 avio_wb16(pb, 0x00);
1911 static uint16_t language_code(const char *str)
1913 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1916 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1917 const char *tag, const char *str)
1919 int64_t pos = avio_tell(pb);
1920 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1921 if (!t || !utf8len(t->value))
1923 avio_wb32(pb, 0); /* size */
1924 ffio_wfourcc(pb, tag); /* type */
1925 avio_wb32(pb, 0); /* version + flags */
1926 if (!strcmp(tag, "yrrc"))
1927 avio_wb16(pb, atoi(t->value));
1929 avio_wb16(pb, language_code("eng")); /* language */
1930 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1931 if (!strcmp(tag, "albm") &&
1932 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1933 avio_w8(pb, atoi(t->value));
1935 return update_size(pb, pos);
1938 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1940 int64_t pos = avio_tell(pb);
1941 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1943 avio_wb32(pb, 0); // size
1944 ffio_wfourcc(pb, "chpl");
1945 avio_wb32(pb, 0x01000000); // version + flags
1946 avio_wb32(pb, 0); // unknown
1947 avio_w8(pb, nb_chapters);
1949 for (i = 0; i < nb_chapters; i++) {
1950 AVChapter *c = s->chapters[i];
1951 AVDictionaryEntry *t;
1952 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1954 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1955 int len = FFMIN(strlen(t->value), 255);
1957 avio_write(pb, t->value, len);
1961 return update_size(pb, pos);
1964 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1967 AVIOContext *pb_buf;
1971 for (i = 0; i < s->nb_streams; i++)
1972 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1976 ret = avio_open_dyn_buf(&pb_buf);
1980 if (mov->mode & MODE_3GP) {
1981 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1982 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1983 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1984 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1985 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1986 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1987 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1988 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1989 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1990 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1991 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1992 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1993 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1994 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1995 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1996 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1997 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1998 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2000 /* iTunes meta data */
2001 mov_write_meta_tag(pb_buf, mov, s);
2005 mov_write_chpl_tag(pb_buf, s);
2007 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2008 avio_wb32(pb, size+8);
2009 ffio_wfourcc(pb, "udta");
2010 avio_write(pb, buf, size);
2017 static void mov_write_psp_udta_tag(AVIOContext *pb,
2018 const char *str, const char *lang, int type)
2020 int len = utf8len(str)+1;
2023 avio_wb16(pb, len*2+10); /* size */
2024 avio_wb32(pb, type); /* type */
2025 avio_wb16(pb, language_code(lang)); /* language */
2026 avio_wb16(pb, 0x01); /* ? */
2027 ascii_to_wc(pb, str);
2030 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2032 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2036 pos = avio_tell(pb);
2037 avio_wb32(pb, 0); /* size placeholder*/
2038 ffio_wfourcc(pb, "uuid");
2039 ffio_wfourcc(pb, "USMT");
2040 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2041 avio_wb32(pb, 0xbb88695c);
2042 avio_wb32(pb, 0xfac9c740);
2044 pos2 = avio_tell(pb);
2045 avio_wb32(pb, 0); /* size placeholder*/
2046 ffio_wfourcc(pb, "MTDT");
2050 avio_wb16(pb, 0x0C); /* size */
2051 avio_wb32(pb, 0x0B); /* type */
2052 avio_wb16(pb, language_code("und")); /* language */
2053 avio_wb16(pb, 0x0); /* ? */
2054 avio_wb16(pb, 0x021C); /* data */
2056 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2057 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2058 // 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);
2059 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2061 update_size(pb, pos2);
2062 return update_size(pb, pos);
2068 static void build_chunks(MOVTrack *trk)
2071 MOVIentry *chunk= &trk->cluster[0];
2072 uint64_t chunkSize = chunk->size;
2074 if (trk->chunkCount)
2077 for(i=1; i<trk->entry; i++){
2078 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2079 chunkSize + trk->cluster[i].size < (1<<20)){
2080 chunkSize += trk->cluster[i].size;
2081 chunk->samples_in_chunk += trk->cluster[i].entries;
2083 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2084 chunk=&trk->cluster[i];
2085 chunkSize = chunk->size;
2091 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2095 int64_t pos = avio_tell(pb);
2096 avio_wb32(pb, 0); /* size placeholder*/
2097 ffio_wfourcc(pb, "moov");
2099 for (i=0; i<mov->nb_streams; i++) {
2100 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2103 mov->tracks[i].time = mov->time;
2104 mov->tracks[i].track_id = i+1;
2106 if (mov->tracks[i].entry)
2107 build_chunks(&mov->tracks[i]);
2110 if (mov->chapter_track)
2111 for (i=0; i<s->nb_streams; i++) {
2112 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2113 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2115 for (i = 0; i < mov->nb_streams; i++) {
2116 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2117 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2118 mov->tracks[i].tref_id =
2119 mov->tracks[mov->tracks[i].src_track].track_id;
2123 mov_write_mvhd_tag(pb, mov);
2124 if (mov->mode != MODE_MOV && !mov->iods_skip)
2125 mov_write_iods_tag(pb, mov);
2126 for (i=0; i<mov->nb_streams; i++) {
2127 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2128 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2131 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2132 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2134 if (mov->mode == MODE_PSP)
2135 mov_write_uuidusmt_tag(pb, s);
2137 mov_write_udta_tag(pb, mov, s);
2139 return update_size(pb, pos);
2142 static void param_write_int(AVIOContext *pb, const char *name, int value)
2144 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2147 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2149 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2152 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2155 len = FFMIN(sizeof(buf)/2 - 1, len);
2156 ff_data_to_hex(buf, value, len, 0);
2158 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2161 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2163 uint16_t sps_size, pps_size, len;
2165 sps_size = AV_RB16(&enc->extradata[6]);
2166 if (11 + sps_size > enc->extradata_size)
2168 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2169 if (11 + sps_size + pps_size > enc->extradata_size)
2171 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2172 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2174 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2175 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2176 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2178 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2181 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2183 int64_t pos = avio_tell(pb);
2185 const uint8_t uuid[] = {
2186 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2187 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2191 ffio_wfourcc(pb, "uuid");
2192 avio_write(pb, uuid, sizeof(uuid));
2195 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2196 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2197 avio_printf(pb, "<head>\n");
2198 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2200 avio_printf(pb, "</head>\n");
2201 avio_printf(pb, "<body>\n");
2202 avio_printf(pb, "<switch>\n");
2203 for (i = 0; i < mov->nb_streams; i++) {
2204 MOVTrack *track = &mov->tracks[i];
2206 /* track->track_id is initialized in write_moov, and thus isn't known
2208 int track_id = i + 1;
2210 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2212 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2217 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2218 track->enc->bit_rate);
2219 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2220 param_write_int(pb, "trackID", track_id);
2221 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2222 if (track->enc->codec_id == CODEC_ID_H264 &&
2223 track->enc->extradata_size >= 11 &&
2224 track->enc->extradata[0] == 1) {
2225 write_h264_extradata(pb, track->enc);
2227 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2228 track->enc->extradata_size);
2230 if (track->enc->codec_id == CODEC_ID_H264) {
2231 param_write_string(pb, "FourCC", "H264");
2232 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2233 param_write_string(pb, "FourCC", "WVC1");
2235 param_write_int(pb, "MaxWidth", track->enc->width);
2236 param_write_int(pb, "MaxHeight", track->enc->height);
2237 param_write_int(pb, "DisplayWidth", track->enc->width);
2238 param_write_int(pb, "DisplayHeight", track->enc->height);
2240 if (track->enc->codec_id == CODEC_ID_AAC) {
2241 param_write_string(pb, "FourCC", "AACL");
2242 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2243 param_write_string(pb, "FourCC", "WMAP");
2245 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2246 track->enc->extradata_size);
2247 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2248 track->enc->codec_id));
2249 param_write_int(pb, "Channels", track->enc->channels);
2250 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2251 param_write_int(pb, "BitsPerSample", 16);
2252 param_write_int(pb, "PacketSize", track->enc->block_align ?
2253 track->enc->block_align : 4);
2255 avio_printf(pb, "</%s>\n", type);
2257 avio_printf(pb, "</switch>\n");
2258 avio_printf(pb, "</body>\n");
2259 avio_printf(pb, "</smil>\n");
2261 return update_size(pb, pos);
2264 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2267 ffio_wfourcc(pb, "mfhd");
2269 avio_wb32(pb, mov->fragments);
2273 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2274 int64_t moof_offset)
2276 int64_t pos = avio_tell(pb);
2277 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2278 MOV_TFHD_BASE_DATA_OFFSET;
2279 if (!track->entry) {
2280 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2282 flags |= MOV_TFHD_DEFAULT_FLAGS;
2285 /* Don't set a default sample size, the silverlight player refuses
2286 * to play files with that set. Don't set a default sample duration,
2287 * WMP freaks out if it is set. */
2288 if (track->mode == MODE_ISM)
2289 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2291 avio_wb32(pb, 0); /* size placeholder */
2292 ffio_wfourcc(pb, "tfhd");
2293 avio_w8(pb, 0); /* version */
2294 avio_wb24(pb, flags);
2296 avio_wb32(pb, track->track_id); /* track-id */
2297 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2298 avio_wb64(pb, moof_offset);
2299 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2300 track->default_duration = get_cluster_duration(track, 0);
2301 avio_wb32(pb, track->default_duration);
2303 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2304 track->default_size = track->entry ? track->cluster[0].size : 1;
2305 avio_wb32(pb, track->default_size);
2307 track->default_size = -1;
2309 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2310 track->default_sample_flags =
2311 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2312 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2313 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2314 avio_wb32(pb, track->default_sample_flags);
2317 return update_size(pb, pos);
2320 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2322 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2323 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2326 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2328 int64_t pos = avio_tell(pb);
2329 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2332 for (i = 0; i < track->entry; i++) {
2333 if (get_cluster_duration(track, i) != track->default_duration)
2334 flags |= MOV_TRUN_SAMPLE_DURATION;
2335 if (track->cluster[i].size != track->default_size)
2336 flags |= MOV_TRUN_SAMPLE_SIZE;
2337 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2338 flags |= MOV_TRUN_SAMPLE_FLAGS;
2340 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2341 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2342 if (track->flags & MOV_TRACK_CTTS)
2343 flags |= MOV_TRUN_SAMPLE_CTS;
2345 avio_wb32(pb, 0); /* size placeholder */
2346 ffio_wfourcc(pb, "trun");
2347 avio_w8(pb, 0); /* version */
2348 avio_wb24(pb, flags);
2350 avio_wb32(pb, track->entry); /* sample count */
2351 track->moof_size_offset = avio_tell(pb);
2352 avio_wb32(pb, 0); /* data offset */
2353 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2354 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2356 for (i = 0; i < track->entry; i++) {
2357 if (flags & MOV_TRUN_SAMPLE_DURATION)
2358 avio_wb32(pb, get_cluster_duration(track, i));
2359 if (flags & MOV_TRUN_SAMPLE_SIZE)
2360 avio_wb32(pb, track->cluster[i].size);
2361 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2362 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2363 if (flags & MOV_TRUN_SAMPLE_CTS)
2364 avio_wb32(pb, track->cluster[i].cts);
2367 return update_size(pb, pos);
2370 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2372 int64_t pos = avio_tell(pb);
2373 const uint8_t uuid[] = {
2374 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2375 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2378 avio_wb32(pb, 0); /* size placeholder */
2379 ffio_wfourcc(pb, "uuid");
2380 avio_write(pb, uuid, sizeof(uuid));
2383 avio_wb64(pb, track->frag_start);
2384 avio_wb64(pb, track->start_dts + track->track_duration -
2385 track->cluster[0].dts);
2387 return update_size(pb, pos);
2390 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2391 MOVTrack *track, int entry)
2393 int n = track->nb_frag_info - 1 - entry, i;
2394 int size = 8 + 16 + 4 + 1 + 16*n;
2395 const uint8_t uuid[] = {
2396 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2397 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2403 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2404 avio_wb32(pb, size);
2405 ffio_wfourcc(pb, "uuid");
2406 avio_write(pb, uuid, sizeof(uuid));
2410 for (i = 0; i < n; i++) {
2411 int index = entry + 1 + i;
2412 avio_wb64(pb, track->frag_info[index].time);
2413 avio_wb64(pb, track->frag_info[index].duration);
2415 if (n < mov->ism_lookahead) {
2416 int free_size = 16*(mov->ism_lookahead - n);
2417 avio_wb32(pb, free_size);
2418 ffio_wfourcc(pb, "free");
2419 for (i = 0; i < free_size - 8; i++)
2426 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2429 int64_t pos = avio_tell(pb);
2431 for (i = 0; i < mov->ism_lookahead; i++) {
2432 /* Update the tfrf tag for the last ism_lookahead fragments,
2433 * nb_frag_info - 1 is the next fragment to be written. */
2434 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2436 avio_seek(pb, pos, SEEK_SET);
2440 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2441 MOVTrack *track, int64_t moof_offset)
2443 int64_t pos = avio_tell(pb);
2444 avio_wb32(pb, 0); /* size placeholder */
2445 ffio_wfourcc(pb, "traf");
2447 mov_write_tfhd_tag(pb, track, moof_offset);
2448 mov_write_trun_tag(pb, track);
2449 if (mov->mode == MODE_ISM) {
2450 mov_write_tfxd_tag(pb, track);
2452 if (mov->ism_lookahead) {
2453 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2455 track->tfrf_offset = avio_tell(pb);
2456 avio_wb32(pb, 8 + size);
2457 ffio_wfourcc(pb, "free");
2458 for (i = 0; i < size; i++)
2463 return update_size(pb, pos);
2466 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2468 int64_t pos = avio_tell(pb), end;
2471 avio_wb32(pb, 0); /* size placeholder */
2472 ffio_wfourcc(pb, "moof");
2474 mov_write_mfhd_tag(pb, mov);
2475 for (i = 0; i < mov->nb_streams; i++) {
2476 MOVTrack *track = &mov->tracks[i];
2477 if (tracks >= 0 && i != tracks)
2481 mov_write_traf_tag(pb, mov, track, pos);
2484 end = avio_tell(pb);
2485 moof_size = end - pos;
2486 for (i = 0; i < mov->nb_streams; i++) {
2487 MOVTrack *track = &mov->tracks[i];
2488 if (tracks >= 0 && i != tracks)
2492 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2493 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2495 avio_seek(pb, end, SEEK_SET);
2497 return update_size(pb, pos);
2500 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2502 int64_t pos = avio_tell(pb);
2505 avio_wb32(pb, 0); /* size placeholder */
2506 ffio_wfourcc(pb, "tfra");
2507 avio_w8(pb, 1); /* version */
2510 avio_wb32(pb, track->track_id);
2511 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2512 avio_wb32(pb, track->nb_frag_info);
2513 for (i = 0; i < track->nb_frag_info; i++) {
2514 avio_wb64(pb, track->frag_info[i].time);
2515 avio_wb64(pb, track->frag_info[i].offset);
2516 avio_w8(pb, 1); /* traf number */
2517 avio_w8(pb, 1); /* trun number */
2518 avio_w8(pb, 1); /* sample number */
2521 return update_size(pb, pos);
2524 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2526 int64_t pos = avio_tell(pb);
2529 avio_wb32(pb, 0); /* size placeholder */
2530 ffio_wfourcc(pb, "mfra");
2531 /* An empty mfra atom is enough to indicate to the publishing point that
2532 * the stream has ended. */
2533 if (mov->flags & FF_MOV_FLAG_ISML)
2534 return update_size(pb, pos);
2536 for (i = 0; i < mov->nb_streams; i++) {
2537 MOVTrack *track = &mov->tracks[i];
2538 if (track->nb_frag_info)
2539 mov_write_tfra_tag(pb, track);
2543 ffio_wfourcc(pb, "mfro");
2544 avio_wb32(pb, 0); /* version + flags */
2545 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2547 return update_size(pb, pos);
2550 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2552 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2553 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2555 mov->mdat_pos = avio_tell(pb);
2556 avio_wb32(pb, 0); /* size placeholder*/
2557 ffio_wfourcc(pb, "mdat");
2561 /* TODO: This needs to be more general */
2562 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2564 MOVMuxContext *mov = s->priv_data;
2565 int64_t pos = avio_tell(pb);
2566 int has_h264 = 0, has_video = 0;
2570 for (i = 0; i < s->nb_streams; i++) {
2571 AVStream *st = s->streams[i];
2572 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2574 if (st->codec->codec_id == CODEC_ID_H264)
2578 avio_wb32(pb, 0); /* size */
2579 ffio_wfourcc(pb, "ftyp");
2581 if (mov->mode == MODE_3GP) {
2582 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2583 minor = has_h264 ? 0x100 : 0x200;
2584 } else if (mov->mode & MODE_3G2) {
2585 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2586 minor = has_h264 ? 0x20000 : 0x10000;
2587 }else if (mov->mode == MODE_PSP)
2588 ffio_wfourcc(pb, "MSNV");
2589 else if (mov->mode == MODE_MP4)
2590 ffio_wfourcc(pb, "isom");
2591 else if (mov->mode == MODE_IPOD)
2592 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2593 else if (mov->mode == MODE_ISM)
2594 ffio_wfourcc(pb, "isml");
2596 ffio_wfourcc(pb, "qt ");
2598 avio_wb32(pb, minor);
2600 if(mov->mode == MODE_MOV)
2601 ffio_wfourcc(pb, "qt ");
2602 else if (mov->mode == MODE_ISM) {
2603 ffio_wfourcc(pb, "piff");
2604 ffio_wfourcc(pb, "iso2");
2606 ffio_wfourcc(pb, "isom");
2607 ffio_wfourcc(pb, "iso2");
2609 ffio_wfourcc(pb, "avc1");
2612 if (mov->mode == MODE_3GP)
2613 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2614 else if (mov->mode & MODE_3G2)
2615 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2616 else if (mov->mode == MODE_PSP)
2617 ffio_wfourcc(pb, "MSNV");
2618 else if (mov->mode == MODE_MP4)
2619 ffio_wfourcc(pb, "mp41");
2620 return update_size(pb, pos);
2623 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2625 AVCodecContext *video_codec = s->streams[0]->codec;
2626 AVCodecContext *audio_codec = s->streams[1]->codec;
2627 int audio_rate = audio_codec->sample_rate;
2628 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2629 int audio_kbitrate = audio_codec->bit_rate / 1000;
2630 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2632 avio_wb32(pb, 0x94); /* size */
2633 ffio_wfourcc(pb, "uuid");
2634 ffio_wfourcc(pb, "PROF");
2636 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2637 avio_wb32(pb, 0xbb88695c);
2638 avio_wb32(pb, 0xfac9c740);
2640 avio_wb32(pb, 0x0); /* ? */
2641 avio_wb32(pb, 0x3); /* 3 sections ? */
2643 avio_wb32(pb, 0x14); /* size */
2644 ffio_wfourcc(pb, "FPRF");
2645 avio_wb32(pb, 0x0); /* ? */
2646 avio_wb32(pb, 0x0); /* ? */
2647 avio_wb32(pb, 0x0); /* ? */
2649 avio_wb32(pb, 0x2c); /* size */
2650 ffio_wfourcc(pb, "APRF");/* audio */
2652 avio_wb32(pb, 0x2); /* TrackID */
2653 ffio_wfourcc(pb, "mp4a");
2654 avio_wb32(pb, 0x20f);
2656 avio_wb32(pb, audio_kbitrate);
2657 avio_wb32(pb, audio_kbitrate);
2658 avio_wb32(pb, audio_rate);
2659 avio_wb32(pb, audio_codec->channels);
2661 avio_wb32(pb, 0x34); /* size */
2662 ffio_wfourcc(pb, "VPRF"); /* video */
2664 avio_wb32(pb, 0x1); /* TrackID */
2665 if (video_codec->codec_id == CODEC_ID_H264) {
2666 ffio_wfourcc(pb, "avc1");
2667 avio_wb16(pb, 0x014D);
2668 avio_wb16(pb, 0x0015);
2670 ffio_wfourcc(pb, "mp4v");
2671 avio_wb16(pb, 0x0000);
2672 avio_wb16(pb, 0x0103);
2675 avio_wb32(pb, video_kbitrate);
2676 avio_wb32(pb, video_kbitrate);
2677 avio_wb32(pb, frame_rate);
2678 avio_wb32(pb, frame_rate);
2679 avio_wb16(pb, video_codec->width);
2680 avio_wb16(pb, video_codec->height);
2681 avio_wb32(pb, 0x010001); /* ? */
2684 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2687 int i, closed_gop = 0;
2689 for (i = 0; i < pkt->size - 4; i++) {
2690 c = (c<<8) + pkt->data[i];
2691 if (c == 0x1b8) { // gop
2692 closed_gop = pkt->data[i+4]>>6 & 0x01;
2693 } else if (c == 0x100) { // pic
2694 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2695 if (!temp_ref || closed_gop) // I picture is not reordered
2696 *flags = MOV_SYNC_SAMPLE;
2698 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2705 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2707 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2708 int seq = 0, entry = 0;
2709 int key = pkt->flags & AV_PKT_FLAG_KEY;
2710 start = find_next_marker(pkt->data, end);
2711 for (next = start; next < end; start = next) {
2712 next = find_next_marker(start + 4, end);
2713 switch (AV_RB32(start)) {
2714 case VC1_CODE_SEQHDR:
2717 case VC1_CODE_ENTRYPOINT:
2720 case VC1_CODE_SLICE:
2721 trk->vc1_info.slices = 1;
2725 if (!trk->entry && !fragment) {
2726 /* First packet in first fragment */
2727 trk->vc1_info.first_packet_seq = seq;
2728 trk->vc1_info.first_packet_entry = entry;
2729 } else if ((seq && !trk->vc1_info.packet_seq) ||
2730 (entry && !trk->vc1_info.packet_entry)) {
2732 for (i = 0; i < trk->entry; i++)
2733 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2734 trk->has_keyframes = 0;
2736 trk->vc1_info.packet_seq = 1;
2738 trk->vc1_info.packet_entry = 1;
2740 /* First fragment */
2741 if ((!seq || trk->vc1_info.first_packet_seq) &&
2742 (!entry || trk->vc1_info.first_packet_entry)) {
2743 /* First packet had the same headers as this one, readd the
2744 * sync sample flag. */
2745 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2746 trk->has_keyframes = 1;
2750 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2752 else if (trk->vc1_info.packet_seq)
2754 else if (trk->vc1_info.packet_entry)
2757 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2758 trk->has_keyframes++;
2762 static int mov_flush_fragment(AVFormatContext *s)
2764 MOVMuxContext *mov = s->priv_data;
2765 int i, first_track = -1;
2766 int64_t mdat_size = 0;
2768 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2771 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2772 int64_t pos = avio_tell(s->pb);
2774 AVIOContext *moov_buf;
2778 for (i = 0; i < mov->nb_streams; i++)
2779 if (!mov->tracks[i].entry)
2781 /* Don't write the initial moov unless all tracks have data */
2782 if (i < mov->nb_streams)
2785 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2787 mov_write_moov_tag(moov_buf, mov, s);
2788 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2790 for (i = 0; i < mov->nb_streams; i++)
2791 mov->tracks[i].data_offset = pos + buf_size + 8;
2793 mov_write_moov_tag(s->pb, mov, s);
2795 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2796 mov->mdat_buf = NULL;
2797 avio_wb32(s->pb, buf_size + 8);
2798 ffio_wfourcc(s->pb, "mdat");
2799 avio_write(s->pb, buf, buf_size);
2804 for (i = 0; i < mov->nb_streams; i++) {
2805 if (mov->tracks[i].entry)
2806 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2807 mov->tracks[i].track_duration -
2808 mov->tracks[i].cluster[0].dts;
2809 mov->tracks[i].entry = 0;
2815 for (i = 0; i < mov->nb_streams; i++) {
2816 MOVTrack *track = &mov->tracks[i];
2817 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2818 track->data_offset = 0;
2820 track->data_offset = mdat_size;
2821 if (!track->mdat_buf)
2823 mdat_size += avio_tell(track->mdat_buf);
2824 if (first_track < 0)
2831 for (i = 0; i < mov->nb_streams; i++) {
2832 MOVTrack *track = &mov->tracks[i];
2833 int buf_size, write_moof = 1, moof_tracks = -1;
2835 int64_t duration = 0;
2838 duration = track->start_dts + track->track_duration -
2839 track->cluster[0].dts;
2840 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2841 if (!track->mdat_buf)
2843 mdat_size = avio_tell(track->mdat_buf);
2846 write_moof = i == first_track;
2850 MOVFragmentInfo *info;
2852 track->nb_frag_info++;
2853 track->frag_info = av_realloc(track->frag_info,
2854 sizeof(*track->frag_info) *
2855 track->nb_frag_info);
2856 info = &track->frag_info[track->nb_frag_info - 1];
2857 info->offset = avio_tell(s->pb);
2858 info->time = mov->tracks[i].frag_start;
2859 info->duration = duration;
2860 mov_write_tfrf_tags(s->pb, mov, track);
2862 mov_write_moof_tag(s->pb, mov, moof_tracks);
2863 info->tfrf_offset = track->tfrf_offset;
2866 avio_wb32(s->pb, mdat_size + 8);
2867 ffio_wfourcc(s->pb, "mdat");
2871 track->frag_start += duration;
2873 if (!track->mdat_buf)
2875 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2876 track->mdat_buf = NULL;
2878 avio_write(s->pb, buf, buf_size);
2888 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2890 MOVMuxContext *mov = s->priv_data;
2891 AVIOContext *pb = s->pb;
2892 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2893 AVCodecContext *enc = trk->enc;
2894 unsigned int samples_in_chunk = 0;
2895 int size= pkt->size;
2896 uint8_t *reformatted_data = NULL;
2897 int64_t frag_duration = 0;
2899 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2900 return 0; /* Can't handle that */
2902 if (!size) return 0; /* Discard 0 sized packets */
2905 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
2906 s->streams[pkt->stream_index]->time_base,
2908 if ((mov->max_fragment_duration &&
2909 frag_duration >= mov->max_fragment_duration) ||
2910 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2911 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2912 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2913 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2914 if (frag_duration >= mov->min_fragment_duration)
2915 mov_flush_fragment(s);
2918 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2920 if (mov->fragments > 0) {
2921 if (!trk->mdat_buf) {
2922 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2927 if (!mov->mdat_buf) {
2928 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2935 if (enc->codec_id == CODEC_ID_AMR_NB) {
2936 /* We must find out how many AMR blocks there are in one packet */
2937 static uint16_t packed_size[16] =
2938 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2941 while (len < size && samples_in_chunk < 100) {
2942 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2945 if (samples_in_chunk > 1) {
2946 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2949 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2950 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2951 samples_in_chunk = enc->frame_size;
2952 } else if (trk->sample_size)
2953 samples_in_chunk = size / trk->sample_size;
2955 samples_in_chunk = 1;
2957 /* copy extradata if it exists */
2958 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2959 trk->vos_len = enc->extradata_size;
2960 trk->vos_data = av_malloc(trk->vos_len);
2961 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2964 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2965 /* from x264 or from bytestream h264 */
2966 /* nal reformating needed */
2967 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2968 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2970 avio_write(pb, reformatted_data, size);
2972 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2974 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2975 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2976 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2979 avio_write(pb, pkt->data, size);
2982 if ((enc->codec_id == CODEC_ID_DNXHD ||
2983 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2984 /* copy frame to create needed atoms */
2985 trk->vos_len = size;
2986 trk->vos_data = av_malloc(size);
2988 return AVERROR(ENOMEM);
2989 memcpy(trk->vos_data, pkt->data, size);
2992 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2993 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2998 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2999 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3000 trk->cluster[trk->entry].chunkNum = 0;
3001 trk->cluster[trk->entry].size = size;
3002 trk->cluster[trk->entry].entries = samples_in_chunk;
3003 trk->cluster[trk->entry].dts = pkt->dts;
3004 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3005 /* First packet of a new fragment. We already wrote the duration
3006 * of the last packet of the previous fragment based on track_duration,
3007 * which might not exactly match our dts. Therefore adjust the dts
3008 * of this packet to be what the previous packets duration implies. */
3009 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3011 if (trk->start_dts == AV_NOPTS_VALUE)
3012 trk->start_dts = pkt->dts;
3013 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3015 if (pkt->pts == AV_NOPTS_VALUE) {
3016 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3017 pkt->pts = pkt->dts;
3019 if (pkt->dts != pkt->pts)
3020 trk->flags |= MOV_TRACK_CTTS;
3021 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3022 trk->cluster[trk->entry].flags = 0;
3023 if (enc->codec_id == CODEC_ID_VC1) {
3024 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3025 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3026 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
3027 trk->entry > 0) { // force sync sample for the first key frame
3028 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3029 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3030 trk->flags |= MOV_TRACK_STPS;
3032 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3034 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3035 trk->has_keyframes++;
3038 trk->sample_count += samples_in_chunk;
3039 mov->mdat_size += size;
3043 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3044 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3045 reformatted_data, size);
3046 av_free(reformatted_data);
3050 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3053 mov_flush_fragment(s);
3056 return mov_write_packet_internal(s, pkt);
3060 // QuickTime chapters involve an additional text track with the chapter names
3061 // as samples, and a tref pointing from the other tracks to the chapter one.
3062 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3064 MOVMuxContext *mov = s->priv_data;
3065 MOVTrack *track = &mov->tracks[tracknum];
3066 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3069 track->mode = mov->mode;
3070 track->tag = MKTAG('t','e','x','t');
3071 track->timescale = MOV_TIMESCALE;
3072 track->enc = avcodec_alloc_context3(NULL);
3073 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3075 for (i = 0; i < s->nb_chapters; i++) {
3076 AVChapter *c = s->chapters[i];
3077 AVDictionaryEntry *t;
3079 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3080 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3081 pkt.duration = end - pkt.dts;
3083 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3084 len = strlen(t->value);
3086 pkt.data = av_malloc(pkt.size);
3087 AV_WB16(pkt.data, len);
3088 memcpy(pkt.data+2, t->value, len);
3089 ff_mov_write_packet(s, &pkt);
3090 av_freep(&pkt.data);
3095 static int mov_write_header(AVFormatContext *s)
3097 AVIOContext *pb = s->pb;
3098 MOVMuxContext *mov = s->priv_data;
3099 AVDictionaryEntry *t;
3100 int i, hint_track = 0;
3102 /* Set the FRAGMENT flag if any of the fragmentation methods are
3104 if (mov->max_fragment_duration || mov->max_fragment_size ||
3105 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3106 FF_MOV_FLAG_FRAG_KEYFRAME |
3107 FF_MOV_FLAG_FRAG_CUSTOM))
3108 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3110 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3111 * is enabled, we don't support non-seekable output at all. */
3112 if (!s->pb->seekable &&
3113 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3114 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3115 || mov->ism_lookahead)) {
3116 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3120 /* Default mode == MP4 */
3121 mov->mode = MODE_MP4;
3123 if (s->oformat != NULL) {
3124 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3125 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3126 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3127 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3128 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3129 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3131 mov_write_ftyp_tag(pb,s);
3132 if (mov->mode == MODE_PSP) {
3133 if (s->nb_streams != 2) {
3134 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3137 mov_write_uuidprof_tag(pb,s);
3141 mov->nb_streams = s->nb_streams;
3142 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3143 mov->chapter_track = mov->nb_streams++;
3145 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3146 /* Add hint tracks for each audio and video stream */
3147 hint_track = mov->nb_streams;
3148 for (i = 0; i < s->nb_streams; i++) {
3149 AVStream *st = s->streams[i];
3150 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3151 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3157 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3159 return AVERROR(ENOMEM);
3161 for(i=0; i<s->nb_streams; i++){
3162 AVStream *st= s->streams[i];
3163 MOVTrack *track= &mov->tracks[i];
3164 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3166 track->enc = st->codec;
3167 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3168 if (track->language < 0)
3169 track->language = 0;
3170 track->mode = mov->mode;
3171 track->tag = mov_find_codec_tag(s, track);
3173 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3174 "codec not currently supported in container\n", i);
3177 /* If hinting of this track is enabled by a later hint track,
3178 * this is updated. */
3179 track->hint_track = -1;
3180 track->start_dts = AV_NOPTS_VALUE;
3181 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3182 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3183 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3184 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3185 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3186 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3189 track->height = track->tag>>24 == 'n' ? 486 : 576;
3191 track->timescale = st->codec->time_base.den;
3192 if (track->mode == MODE_MOV && track->timescale > 100000)
3193 av_log(s, AV_LOG_WARNING,
3194 "WARNING codec timebase is very high. If duration is too long,\n"
3195 "file may not be playable by quicktime. Specify a shorter timebase\n"
3196 "or choose different container.\n");
3197 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3198 track->timescale = st->codec->sample_rate;
3199 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3200 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
3202 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3203 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3204 if (!st->codec->block_align) {
3205 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3208 track->sample_size = st->codec->block_align;
3209 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3210 track->audio_vbr = 1;
3212 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3214 if (track->mode != MODE_MOV) {
3215 if (track->timescale > UINT16_MAX) {
3216 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3217 "sample rate %dhz\n", i, track->timescale);
3220 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3221 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3222 i, track->enc->sample_rate);
3226 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3227 track->timescale = st->codec->time_base.den;
3230 track->height = st->codec->height;
3231 /* The ism specific timescale isn't mandatory, but is assumed by
3232 * some tools, such as mp4split. */
3233 if (mov->mode == MODE_ISM)
3234 track->timescale = 10000000;
3236 avpriv_set_pts_info(st, 64, 1, track->timescale);
3238 /* copy extradata if it exists */
3239 if (st->codec->extradata_size) {
3240 track->vos_len = st->codec->extradata_size;
3241 track->vos_data = av_malloc(track->vos_len);
3242 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3246 if (mov->mode == MODE_ISM) {
3247 /* If no fragmentation options have been set, set a default. */
3248 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3249 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3250 !mov->max_fragment_duration && !mov->max_fragment_size)
3251 mov->max_fragment_duration = 5000000;
3252 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3253 FF_MOV_FLAG_FRAGMENT;
3256 if(mov->reserved_moov_size){
3257 mov->reserved_moov_pos= avio_tell(pb);
3258 avio_skip(pb, mov->reserved_moov_size);
3261 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3262 mov_write_mdat_tag(pb, mov);
3264 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3265 mov->time = ff_iso8601_to_unix_time(t->value);
3267 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3269 if (mov->chapter_track)
3270 mov_create_chapter_track(s, mov->chapter_track);
3272 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3273 /* Initialize the hint tracks for each audio and video stream */
3274 for (i = 0; i < s->nb_streams; i++) {
3275 AVStream *st = s->streams[i];
3276 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3277 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3278 ff_mov_init_hinting(s, hint_track, i);
3286 if (mov->flags & FF_MOV_FLAG_ISML)
3287 mov_write_isml_manifest(pb, mov);
3289 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3290 mov_write_moov_tag(pb, mov, s);
3296 av_freep(&mov->tracks);
3300 static int mov_write_trailer(AVFormatContext *s)
3302 MOVMuxContext *mov = s->priv_data;
3303 AVIOContext *pb = s->pb;
3307 int64_t moov_pos = avio_tell(pb);
3309 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3310 /* Write size of mdat tag */
3311 if (mov->mdat_size + 8 <= UINT32_MAX) {
3312 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3313 avio_wb32(pb, mov->mdat_size + 8);
3315 /* overwrite 'wide' placeholder atom */
3316 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3317 /* special value: real atom size will be 64 bit value after
3320 ffio_wfourcc(pb, "mdat");
3321 avio_wb64(pb, mov->mdat_size + 16);
3323 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3325 mov_write_moov_tag(pb, mov, s);
3326 if(mov->reserved_moov_size){
3327 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3329 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3332 avio_wb32(pb, size);
3333 ffio_wfourcc(pb, "free");
3334 for(i=0; i<size; i++)
3336 avio_seek(pb, moov_pos, SEEK_SET);
3339 mov_flush_fragment(s);
3340 mov_write_mfra_tag(pb, mov);
3343 if (mov->chapter_track)
3344 av_freep(&mov->tracks[mov->chapter_track].enc);
3346 for (i=0; i<mov->nb_streams; i++) {
3347 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3348 ff_mov_close_hinting(&mov->tracks[i]);
3349 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3350 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3351 int64_t off = avio_tell(pb);
3353 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3354 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3355 avio_write(pb, buf, 7);
3356 avio_seek(pb, off, SEEK_SET);
3359 av_freep(&mov->tracks[i].cluster);
3360 av_freep(&mov->tracks[i].frag_info);
3362 if (mov->tracks[i].vos_len)
3363 av_free(mov->tracks[i].vos_data);
3369 av_freep(&mov->tracks);
3374 #if CONFIG_MOV_MUXER
3376 AVOutputFormat ff_mov_muxer = {
3378 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3379 .extensions = "mov",
3380 .priv_data_size = sizeof(MOVMuxContext),
3381 .audio_codec = CODEC_ID_AAC,
3382 #if CONFIG_LIBX264_ENCODER
3383 .video_codec = CODEC_ID_H264,
3385 .video_codec = CODEC_ID_MPEG4,
3387 .write_header = mov_write_header,
3388 .write_packet = ff_mov_write_packet,
3389 .write_trailer = mov_write_trailer,
3390 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3391 .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
3392 .priv_class = &mov_muxer_class,
3395 #if CONFIG_TGP_MUXER
3397 AVOutputFormat ff_tgp_muxer = {
3399 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3400 .extensions = "3gp",
3401 .priv_data_size = sizeof(MOVMuxContext),
3402 .audio_codec = CODEC_ID_AMR_NB,
3403 .video_codec = CODEC_ID_H263,
3404 .write_header = mov_write_header,
3405 .write_packet = ff_mov_write_packet,
3406 .write_trailer = mov_write_trailer,
3407 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3408 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3409 .priv_class = &tgp_muxer_class,
3412 #if CONFIG_MP4_MUXER
3414 AVOutputFormat ff_mp4_muxer = {
3416 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3417 .mime_type = "application/mp4",
3418 .extensions = "mp4",
3419 .priv_data_size = sizeof(MOVMuxContext),
3420 .audio_codec = CODEC_ID_AAC,
3421 #if CONFIG_LIBX264_ENCODER
3422 .video_codec = CODEC_ID_H264,
3424 .video_codec = CODEC_ID_MPEG4,
3426 .write_header = mov_write_header,
3427 .write_packet = ff_mov_write_packet,
3428 .write_trailer = mov_write_trailer,
3429 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3430 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3431 .priv_class = &mp4_muxer_class,
3434 #if CONFIG_PSP_MUXER
3436 AVOutputFormat ff_psp_muxer = {
3438 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3439 .extensions = "mp4,psp",
3440 .priv_data_size = sizeof(MOVMuxContext),
3441 .audio_codec = CODEC_ID_AAC,
3442 #if CONFIG_LIBX264_ENCODER
3443 .video_codec = CODEC_ID_H264,
3445 .video_codec = CODEC_ID_MPEG4,
3447 .write_header = mov_write_header,
3448 .write_packet = ff_mov_write_packet,
3449 .write_trailer = mov_write_trailer,
3450 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3451 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3452 .priv_class = &psp_muxer_class,
3455 #if CONFIG_TG2_MUXER
3457 AVOutputFormat ff_tg2_muxer = {
3459 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3460 .extensions = "3g2",
3461 .priv_data_size = sizeof(MOVMuxContext),
3462 .audio_codec = CODEC_ID_AMR_NB,
3463 .video_codec = CODEC_ID_H263,
3464 .write_header = mov_write_header,
3465 .write_packet = ff_mov_write_packet,
3466 .write_trailer = mov_write_trailer,
3467 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3468 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3469 .priv_class = &tg2_muxer_class,
3472 #if CONFIG_IPOD_MUXER
3474 AVOutputFormat ff_ipod_muxer = {
3476 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3477 .mime_type = "application/mp4",
3478 .extensions = "m4v,m4a",
3479 .priv_data_size = sizeof(MOVMuxContext),
3480 .audio_codec = CODEC_ID_AAC,
3481 .video_codec = CODEC_ID_H264,
3482 .write_header = mov_write_header,
3483 .write_packet = ff_mov_write_packet,
3484 .write_trailer = mov_write_trailer,
3485 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3486 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3487 .priv_class = &ipod_muxer_class,
3490 #if CONFIG_ISMV_MUXER
3492 AVOutputFormat ff_ismv_muxer = {
3494 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3495 .mime_type = "application/mp4",
3496 .extensions = "ismv,isma",
3497 .priv_data_size = sizeof(MOVMuxContext),
3498 .audio_codec = CODEC_ID_AAC,
3499 .video_codec = CODEC_ID_H264,
3500 .write_header = mov_write_header,
3501 .write_packet = ff_mov_write_packet,
3502 .write_trailer = mov_write_trailer,
3503 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3504 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3505 .priv_class = &ismv_muxer_class,