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 <= UINT16_MAX ?
665 track->enc->sample_rate : 0);
666 avio_wb16(pb, 0); /* Reserved */
669 if(version == 1) { /* SoundDescription V1 extended info */
670 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
671 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
672 avio_wb32(pb, track->sample_size); /* Bytes per frame */
673 avio_wb32(pb, 2); /* Bytes per sample */
676 if(track->mode == MODE_MOV &&
677 (track->enc->codec_id == CODEC_ID_AAC ||
678 track->enc->codec_id == CODEC_ID_AC3 ||
679 track->enc->codec_id == CODEC_ID_AMR_NB ||
680 track->enc->codec_id == CODEC_ID_ALAC ||
681 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
682 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
683 (mov_pcm_le_gt16(track->enc->codec_id) && version==1)))
684 mov_write_wave_tag(pb, track);
685 else if(track->tag == MKTAG('m','p','4','a'))
686 mov_write_esds_tag(pb, track);
687 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
688 mov_write_amr_tag(pb, track);
689 else if(track->enc->codec_id == CODEC_ID_AC3)
690 mov_write_ac3_tag(pb, track);
691 else if(track->enc->codec_id == CODEC_ID_ALAC)
692 mov_write_extradata_tag(pb, track);
693 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
694 mov_write_wfex_tag(pb, track);
695 else if (track->vos_len > 0)
696 mov_write_glbl_tag(pb, track);
698 return update_size(pb, pos);
701 static int mov_write_d263_tag(AVIOContext *pb)
703 avio_wb32(pb, 0xf); /* size */
704 ffio_wfourcc(pb, "d263");
705 ffio_wfourcc(pb, "FFMP");
706 avio_w8(pb, 0); /* decoder version */
707 /* FIXME use AVCodecContext level/profile, when encoder will set values */
708 avio_w8(pb, 0xa); /* level */
709 avio_w8(pb, 0); /* profile */
713 /* TODO: No idea about these values */
714 static int mov_write_svq3_tag(AVIOContext *pb)
717 ffio_wfourcc(pb, "SMI ");
718 ffio_wfourcc(pb, "SEQH");
720 avio_wb32(pb, 0xe2c0211d);
721 avio_wb32(pb, 0xc0000000);
726 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
728 int64_t pos = avio_tell(pb);
731 ffio_wfourcc(pb, "avcC");
732 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
733 return update_size(pb, pos);
736 /* also used by all avid codecs (dv, imx, meridien) and their variants */
737 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
740 avio_wb32(pb, 24); /* size */
741 ffio_wfourcc(pb, "ACLR");
742 ffio_wfourcc(pb, "ACLR");
743 ffio_wfourcc(pb, "0001");
744 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
745 avio_wb32(pb, 0); /* unknown */
747 avio_wb32(pb, 24); /* size */
748 ffio_wfourcc(pb, "APRG");
749 ffio_wfourcc(pb, "APRG");
750 ffio_wfourcc(pb, "0001");
751 avio_wb32(pb, 1); /* unknown */
752 avio_wb32(pb, 0); /* unknown */
754 avio_wb32(pb, 120); /* size */
755 ffio_wfourcc(pb, "ARES");
756 ffio_wfourcc(pb, "ARES");
757 ffio_wfourcc(pb, "0001");
758 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
759 avio_wb32(pb, track->enc->width);
760 /* values below are based on samples created with quicktime and avid codecs */
761 if (track->vos_data[5] & 2) { // interlaced
762 avio_wb32(pb, track->enc->height/2);
763 avio_wb32(pb, 2); /* unknown */
764 avio_wb32(pb, 0); /* unknown */
765 avio_wb32(pb, 4); /* unknown */
767 avio_wb32(pb, track->enc->height);
768 avio_wb32(pb, 1); /* unknown */
769 avio_wb32(pb, 0); /* unknown */
770 if (track->enc->height == 1080)
771 avio_wb32(pb, 5); /* unknown */
773 avio_wb32(pb, 6); /* unknown */
776 for (i = 0; i < 10; i++)
779 /* extra padding for stsd needed */
784 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
786 int tag = track->enc->codec_tag;
788 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
791 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
792 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
793 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
794 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
795 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
796 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
797 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
802 static const AVCodecTag codec_ipod_tags[] = {
803 { CODEC_ID_H264, MKTAG('a','v','c','1') },
804 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
805 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
806 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
807 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
808 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
809 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
810 { CODEC_ID_NONE, 0 },
813 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
815 int tag = track->enc->codec_tag;
817 // keep original tag for subs, ipod supports both formats
818 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
819 (tag == MKTAG('t','x','3','g') ||
820 tag == MKTAG('t','e','x','t'))))
821 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
823 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
824 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
825 "Quicktime/Ipod might not play the file\n");
830 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
834 if (track->enc->width == 720) /* SD */
835 if (track->enc->height == 480) /* NTSC */
836 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
837 else tag = MKTAG('d','v','c',' ');
838 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
839 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
840 else tag = MKTAG('d','v','p','p');
841 else if (track->enc->height == 720) /* HD 720 line */
842 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
843 else tag = MKTAG('d','v','h','p');
844 else if (track->enc->height == 1080) /* HD 1080 line */
845 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
846 else tag = MKTAG('d','v','h','6');
848 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
855 static const struct {
856 enum PixelFormat pix_fmt;
859 } mov_pix_fmt_tags[] = {
860 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
861 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
862 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
863 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
864 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
865 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
866 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
867 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
868 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
869 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
870 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
871 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
872 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
873 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
876 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
878 int tag = track->enc->codec_tag;
881 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
882 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
883 tag = mov_pix_fmt_tags[i].tag;
884 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
892 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
894 int tag = track->enc->codec_tag;
896 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
897 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
898 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
899 track->enc->codec_id == CODEC_ID_H263 ||
900 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
901 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
902 tag = mov_get_dv_codec_tag(s, track);
903 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
904 tag = mov_get_rawvideo_codec_tag(s, track);
905 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
906 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
907 if (!tag) { // if no mac fcc found, try with Microsoft tags
908 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
910 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
911 "the file may be unplayable!\n");
913 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
914 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
915 if (!tag) { // if no mac fcc found, try with Microsoft tags
916 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
918 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
919 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
920 "the file may be unplayable!\n");
923 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
924 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
930 static const AVCodecTag codec_3gp_tags[] = {
931 { CODEC_ID_H263, MKTAG('s','2','6','3') },
932 { CODEC_ID_H264, MKTAG('a','v','c','1') },
933 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
934 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
935 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
936 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
937 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
938 { CODEC_ID_NONE, 0 },
941 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
945 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
946 tag = mp4_get_codec_tag(s, track);
947 else if (track->mode == MODE_ISM) {
948 tag = mp4_get_codec_tag(s, track);
949 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
950 tag = MKTAG('w', 'm', 'a', ' ');
951 } else if (track->mode == MODE_IPOD)
952 tag = ipod_get_codec_tag(s, track);
953 else if (track->mode & MODE_3GP)
954 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
956 tag = mov_get_codec_tag(s, track);
962 * Needed to make file play in iPods running newest firmware
963 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
965 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
968 ffio_wfourcc(pb, "uuid");
969 avio_wb32(pb, 0x6b6840f2);
970 avio_wb32(pb, 0x5f244fc5);
971 avio_wb32(pb, 0xba39a51b);
972 avio_wb32(pb, 0xcf0323f3);
977 static const uint16_t fiel_data[] = {
978 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
981 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
983 unsigned mov_field_order = 0;
984 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
985 mov_field_order = fiel_data[track->enc->field_order];
989 ffio_wfourcc(pb, "fiel");
990 avio_wb16(pb, mov_field_order);
994 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
996 int64_t pos = avio_tell(pb);
997 avio_wb32(pb, 0); /* size */
998 avio_wl32(pb, track->tag); // store it byteswapped
999 avio_wb32(pb, 0); /* Reserved */
1000 avio_wb16(pb, 0); /* Reserved */
1001 avio_wb16(pb, 1); /* Data-reference index */
1003 if (track->enc->extradata_size)
1004 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1006 return update_size(pb, pos);
1009 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1012 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1013 track->enc->sample_aspect_ratio.den, INT_MAX);
1016 ffio_wfourcc(pb, "pasp");
1017 avio_wb32(pb, sar.num);
1018 avio_wb32(pb, sar.den);
1022 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1024 int64_t pos = avio_tell(pb);
1025 char compressor_name[32] = { 0 };
1027 avio_wb32(pb, 0); /* size */
1028 avio_wl32(pb, track->tag); // store it byteswapped
1029 avio_wb32(pb, 0); /* Reserved */
1030 avio_wb16(pb, 0); /* Reserved */
1031 avio_wb16(pb, 1); /* Data-reference index */
1033 avio_wb16(pb, 0); /* Codec stream version */
1034 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1035 if (track->mode == MODE_MOV) {
1036 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1037 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
1038 avio_wb32(pb, 0); /* Temporal Quality */
1039 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1041 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1042 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1045 avio_wb32(pb, 0); /* Reserved */
1046 avio_wb32(pb, 0); /* Reserved */
1047 avio_wb32(pb, 0); /* Reserved */
1049 avio_wb16(pb, track->enc->width); /* Video width */
1050 avio_wb16(pb, track->height); /* Video height */
1051 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1052 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1053 avio_wb32(pb, 0); /* Data size (= 0) */
1054 avio_wb16(pb, 1); /* Frame count (= 1) */
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_AVUI)
1074 mov_write_extradata_tag(pb, track);
1075 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1076 mov_write_avid_tag(pb, track);
1077 else if(track->enc->codec_id == CODEC_ID_H264) {
1078 mov_write_avcc_tag(pb, track);
1079 if(track->mode == MODE_IPOD)
1080 mov_write_uuid_tag_ipod(pb);
1081 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1082 mov_write_fiel_tag(pb, track);
1083 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1084 mov_write_dvc1_tag(pb, track);
1085 else if (track->vos_len > 0)
1086 mov_write_glbl_tag(pb, track);
1088 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1089 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1090 mov_write_pasp_tag(pb, track);
1093 return update_size(pb, pos);
1096 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1098 int64_t pos = avio_tell(pb);
1099 avio_wb32(pb, 0); /* size */
1100 ffio_wfourcc(pb, "rtp ");
1101 avio_wb32(pb, 0); /* Reserved */
1102 avio_wb16(pb, 0); /* Reserved */
1103 avio_wb16(pb, 1); /* Data-reference index */
1105 avio_wb16(pb, 1); /* Hint track version */
1106 avio_wb16(pb, 1); /* Highest compatible version */
1107 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1109 avio_wb32(pb, 12); /* size */
1110 ffio_wfourcc(pb, "tims");
1111 avio_wb32(pb, track->timescale);
1113 return update_size(pb, pos);
1116 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1118 int64_t pos = avio_tell(pb);
1119 avio_wb32(pb, 0); /* size */
1120 ffio_wfourcc(pb, "stsd");
1121 avio_wb32(pb, 0); /* version & flags */
1122 avio_wb32(pb, 1); /* entry count */
1123 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1124 mov_write_video_tag(pb, track);
1125 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1126 mov_write_audio_tag(pb, track);
1127 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1128 mov_write_subtitle_tag(pb, track);
1129 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1130 mov_write_rtp_tag(pb, track);
1131 return update_size(pb, pos);
1134 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1136 MOVStts *ctts_entries;
1137 uint32_t entries = 0;
1141 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1142 ctts_entries[0].count = 1;
1143 ctts_entries[0].duration = track->cluster[0].cts;
1144 for (i=1; i<track->entry; i++) {
1145 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1146 ctts_entries[entries].count++; /* compress */
1149 ctts_entries[entries].duration = track->cluster[i].cts;
1150 ctts_entries[entries].count = 1;
1153 entries++; /* last one */
1154 atom_size = 16 + (entries * 8);
1155 avio_wb32(pb, atom_size); /* size */
1156 ffio_wfourcc(pb, "ctts");
1157 avio_wb32(pb, 0); /* version & flags */
1158 avio_wb32(pb, entries); /* entry count */
1159 for (i=0; i<entries; i++) {
1160 avio_wb32(pb, ctts_entries[i].count);
1161 avio_wb32(pb, ctts_entries[i].duration);
1163 av_free(ctts_entries);
1167 /* Time to sample atom */
1168 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1170 MOVStts *stts_entries;
1171 uint32_t entries = -1;
1175 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1176 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1177 stts_entries[0].count = track->sample_count;
1178 stts_entries[0].duration = 1;
1181 stts_entries = track->entry ?
1182 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1184 for (i=0; i<track->entry; i++) {
1185 int duration = get_cluster_duration(track, i);
1186 if (i && duration == stts_entries[entries].duration) {
1187 stts_entries[entries].count++; /* compress */
1190 stts_entries[entries].duration = duration;
1191 stts_entries[entries].count = 1;
1194 entries++; /* last one */
1196 atom_size = 16 + (entries * 8);
1197 avio_wb32(pb, atom_size); /* size */
1198 ffio_wfourcc(pb, "stts");
1199 avio_wb32(pb, 0); /* version & flags */
1200 avio_wb32(pb, entries); /* entry count */
1201 for (i=0; i<entries; i++) {
1202 avio_wb32(pb, stts_entries[i].count);
1203 avio_wb32(pb, stts_entries[i].duration);
1205 av_free(stts_entries);
1209 static int mov_write_dref_tag(AVIOContext *pb)
1211 avio_wb32(pb, 28); /* size */
1212 ffio_wfourcc(pb, "dref");
1213 avio_wb32(pb, 0); /* version & flags */
1214 avio_wb32(pb, 1); /* entry count */
1216 avio_wb32(pb, 0xc); /* size */
1217 //FIXME add the alis and rsrc atom
1218 ffio_wfourcc(pb, "url ");
1219 avio_wb32(pb, 1); /* version & flags */
1224 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1226 int64_t pos = avio_tell(pb);
1227 avio_wb32(pb, 0); /* size */
1228 ffio_wfourcc(pb, "stbl");
1229 mov_write_stsd_tag(pb, track);
1230 mov_write_stts_tag(pb, track);
1231 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1232 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1233 track->has_keyframes && track->has_keyframes < track->entry)
1234 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1235 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1236 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1237 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1238 track->flags & MOV_TRACK_CTTS)
1239 mov_write_ctts_tag(pb, track);
1240 mov_write_stsc_tag(pb, track);
1241 mov_write_stsz_tag(pb, track);
1242 mov_write_stco_tag(pb, track);
1243 return update_size(pb, pos);
1246 static int mov_write_dinf_tag(AVIOContext *pb)
1248 int64_t pos = avio_tell(pb);
1249 avio_wb32(pb, 0); /* size */
1250 ffio_wfourcc(pb, "dinf");
1251 mov_write_dref_tag(pb);
1252 return update_size(pb, pos);
1255 static int mov_write_nmhd_tag(AVIOContext *pb)
1258 ffio_wfourcc(pb, "nmhd");
1263 static int mov_write_gmhd_tag(AVIOContext *pb)
1265 avio_wb32(pb, 0x20); /* size */
1266 ffio_wfourcc(pb, "gmhd");
1267 avio_wb32(pb, 0x18); /* gmin size */
1268 ffio_wfourcc(pb, "gmin");/* generic media info */
1269 avio_wb32(pb, 0); /* version & flags */
1270 avio_wb16(pb, 0x40); /* graphics mode = */
1271 avio_wb16(pb, 0x8000); /* opColor (r?) */
1272 avio_wb16(pb, 0x8000); /* opColor (g?) */
1273 avio_wb16(pb, 0x8000); /* opColor (b?) */
1274 avio_wb16(pb, 0); /* balance */
1275 avio_wb16(pb, 0); /* reserved */
1279 static int mov_write_smhd_tag(AVIOContext *pb)
1281 avio_wb32(pb, 16); /* size */
1282 ffio_wfourcc(pb, "smhd");
1283 avio_wb32(pb, 0); /* version & flags */
1284 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1285 avio_wb16(pb, 0); /* reserved */
1289 static int mov_write_vmhd_tag(AVIOContext *pb)
1291 avio_wb32(pb, 0x14); /* size (always 0x14) */
1292 ffio_wfourcc(pb, "vmhd");
1293 avio_wb32(pb, 0x01); /* version & flags */
1294 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1298 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1300 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1301 int64_t pos = avio_tell(pb);
1303 if (!track) { /* no media --> data handler */
1306 descr = "DataHandler";
1308 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1309 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1311 descr = "VideoHandler";
1312 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1314 descr = "SoundHandler";
1315 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1316 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1317 else hdlr_type = "text";
1318 descr = "SubtitleHandler";
1319 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1321 descr = "HintHandler";
1325 descr = "DataHandler";
1329 avio_wb32(pb, 0); /* size */
1330 ffio_wfourcc(pb, "hdlr");
1331 avio_wb32(pb, 0); /* Version & flags */
1332 avio_write(pb, hdlr, 4); /* handler */
1333 ffio_wfourcc(pb, hdlr_type); /* handler type */
1334 avio_wb32(pb ,0); /* reserved */
1335 avio_wb32(pb ,0); /* reserved */
1336 avio_wb32(pb ,0); /* reserved */
1337 if (!track || track->mode == MODE_MOV)
1338 avio_w8(pb, strlen(descr)); /* pascal string */
1339 avio_write(pb, descr, strlen(descr)); /* handler description */
1340 if (track && track->mode != MODE_MOV)
1341 avio_w8(pb, 0); /* c string */
1342 return update_size(pb, pos);
1345 static int mov_write_hmhd_tag(AVIOContext *pb)
1347 /* This atom must be present, but leaving the values at zero
1348 * seems harmless. */
1349 avio_wb32(pb, 28); /* size */
1350 ffio_wfourcc(pb, "hmhd");
1351 avio_wb32(pb, 0); /* version, flags */
1352 avio_wb16(pb, 0); /* maxPDUsize */
1353 avio_wb16(pb, 0); /* avgPDUsize */
1354 avio_wb32(pb, 0); /* maxbitrate */
1355 avio_wb32(pb, 0); /* avgbitrate */
1356 avio_wb32(pb, 0); /* reserved */
1360 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1362 int64_t pos = avio_tell(pb);
1363 avio_wb32(pb, 0); /* size */
1364 ffio_wfourcc(pb, "minf");
1365 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1366 mov_write_vmhd_tag(pb);
1367 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1368 mov_write_smhd_tag(pb);
1369 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1370 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1371 else mov_write_nmhd_tag(pb);
1372 } else if (track->tag == MKTAG('r','t','p',' ')) {
1373 mov_write_hmhd_tag(pb);
1375 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1376 mov_write_hdlr_tag(pb, NULL);
1377 mov_write_dinf_tag(pb);
1378 mov_write_stbl_tag(pb, track);
1379 return update_size(pb, pos);
1382 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1384 int version = track->track_duration < INT32_MAX ? 0 : 1;
1386 if (track->mode == MODE_ISM)
1389 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1390 ffio_wfourcc(pb, "mdhd");
1391 avio_w8(pb, version);
1392 avio_wb24(pb, 0); /* flags */
1394 avio_wb64(pb, track->time);
1395 avio_wb64(pb, track->time);
1397 avio_wb32(pb, track->time); /* creation time */
1398 avio_wb32(pb, track->time); /* modification time */
1400 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1402 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1404 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1405 avio_wb16(pb, track->language); /* language */
1406 avio_wb16(pb, 0); /* reserved (quality) */
1408 if(version!=0 && track->mode == MODE_MOV){
1409 av_log(NULL, AV_LOG_ERROR,
1410 "FATAL error, file duration too long for timebase, this file will not be\n"
1411 "playable with quicktime. Choose a different timebase or a different\n"
1412 "container format\n");
1418 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1420 int64_t pos = avio_tell(pb);
1421 avio_wb32(pb, 0); /* size */
1422 ffio_wfourcc(pb, "mdia");
1423 mov_write_mdhd_tag(pb, track);
1424 mov_write_hdlr_tag(pb, track);
1425 mov_write_minf_tag(pb, track);
1426 return update_size(pb, pos);
1429 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1431 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1432 track->timescale, AV_ROUND_UP);
1433 int version = duration < INT32_MAX ? 0 : 1;
1435 if (track->mode == MODE_ISM)
1438 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1439 ffio_wfourcc(pb, "tkhd");
1440 avio_w8(pb, version);
1441 avio_wb24(pb, 0xf); /* flags (track enabled) */
1443 avio_wb64(pb, track->time);
1444 avio_wb64(pb, track->time);
1446 avio_wb32(pb, track->time); /* creation time */
1447 avio_wb32(pb, track->time); /* modification time */
1449 avio_wb32(pb, track->track_id); /* track-id */
1450 avio_wb32(pb, 0); /* reserved */
1452 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1454 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1456 avio_wb32(pb, 0); /* reserved */
1457 avio_wb32(pb, 0); /* reserved */
1458 avio_wb16(pb, 0); /* layer */
1459 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1460 /* Volume, only for audio */
1461 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1462 avio_wb16(pb, 0x0100);
1465 avio_wb16(pb, 0); /* reserved */
1467 /* Matrix structure */
1468 avio_wb32(pb, 0x00010000); /* reserved */
1469 avio_wb32(pb, 0x0); /* reserved */
1470 avio_wb32(pb, 0x0); /* reserved */
1471 avio_wb32(pb, 0x0); /* reserved */
1472 avio_wb32(pb, 0x00010000); /* reserved */
1473 avio_wb32(pb, 0x0); /* reserved */
1474 avio_wb32(pb, 0x0); /* reserved */
1475 avio_wb32(pb, 0x0); /* reserved */
1476 avio_wb32(pb, 0x40000000); /* reserved */
1478 /* Track width and height, for visual only */
1479 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1480 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1481 if(track->mode == MODE_MOV) {
1482 avio_wb32(pb, track->enc->width << 16);
1483 avio_wb32(pb, track->height << 16);
1485 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1486 if(!sample_aspect_ratio || track->height != track->enc->height)
1487 sample_aspect_ratio = 1;
1488 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1489 avio_wb32(pb, track->height*0x10000);
1499 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1501 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1502 track->enc->sample_aspect_ratio.den);
1504 int64_t pos = avio_tell(pb);
1506 avio_wb32(pb, 0); /* size */
1507 ffio_wfourcc(pb, "tapt");
1510 ffio_wfourcc(pb, "clef");
1512 avio_wb32(pb, width << 16);
1513 avio_wb32(pb, track->enc->height << 16);
1516 ffio_wfourcc(pb, "enof");
1518 avio_wb32(pb, track->enc->width << 16);
1519 avio_wb32(pb, track->enc->height << 16);
1521 return update_size(pb, pos);
1524 // This box seems important for the psp playback ... without it the movie seems to hang
1525 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1527 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1528 track->timescale, AV_ROUND_UP);
1529 int version = duration < INT32_MAX ? 0 : 1;
1530 int entry_size, entry_count, size;
1531 int64_t delay, start_ct = track->cluster[0].cts;
1532 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1533 track->timescale, AV_ROUND_DOWN);
1534 version |= delay < INT32_MAX ? 0 : 1;
1536 entry_size = (version == 1) ? 20 : 12;
1537 entry_count = 1 + (delay > 0);
1538 size = 24 + entry_count * entry_size;
1540 /* write the atom data */
1541 avio_wb32(pb, size);
1542 ffio_wfourcc(pb, "edts");
1543 avio_wb32(pb, size - 8);
1544 ffio_wfourcc(pb, "elst");
1545 avio_w8(pb, version);
1546 avio_wb24(pb, 0); /* flags */
1548 avio_wb32(pb, entry_count);
1549 if (delay > 0) { /* add an empty edit to delay presentation */
1551 avio_wb64(pb, delay);
1554 avio_wb32(pb, delay);
1557 avio_wb32(pb, 0x00010000);
1562 avio_wb64(pb, duration);
1563 avio_wb64(pb, start_ct);
1565 avio_wb32(pb, duration);
1566 avio_wb32(pb, start_ct);
1568 avio_wb32(pb, 0x00010000);
1572 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1574 avio_wb32(pb, 20); // size
1575 ffio_wfourcc(pb, "tref");
1576 avio_wb32(pb, 12); // size (subatom)
1577 avio_wl32(pb, track->tref_tag);
1578 avio_wb32(pb, track->tref_id);
1582 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1583 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1585 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1586 ffio_wfourcc(pb, "uuid");
1587 ffio_wfourcc(pb, "USMT");
1588 avio_wb32(pb, 0x21d24fce);
1589 avio_wb32(pb, 0xbb88695c);
1590 avio_wb32(pb, 0xfac9c740);
1591 avio_wb32(pb, 0x1c); // another size here!
1592 ffio_wfourcc(pb, "MTDT");
1593 avio_wb32(pb, 0x00010012);
1594 avio_wb32(pb, 0x0a);
1595 avio_wb32(pb, 0x55c40000);
1601 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1603 char buf[1000] = "";
1606 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1607 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1610 avio_wb32(pb, len + 24);
1611 ffio_wfourcc(pb, "udta");
1612 avio_wb32(pb, len + 16);
1613 ffio_wfourcc(pb, "hnti");
1614 avio_wb32(pb, len + 8);
1615 ffio_wfourcc(pb, "sdp ");
1616 avio_write(pb, buf, len);
1620 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1621 MOVTrack *track, AVStream *st)
1623 int64_t pos = avio_tell(pb);
1624 avio_wb32(pb, 0); /* size */
1625 ffio_wfourcc(pb, "trak");
1626 mov_write_tkhd_tag(pb, track, st);
1627 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1628 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1629 if (track->tref_tag)
1630 mov_write_tref_tag(pb, track);
1631 mov_write_mdia_tag(pb, track);
1632 if (track->mode == MODE_PSP)
1633 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1634 if (track->tag == MKTAG('r','t','p',' '))
1635 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1636 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1637 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1638 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1639 mov_write_tapt_tag(pb, track);
1641 return update_size(pb, pos);
1644 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1646 int i, has_audio = 0, has_video = 0;
1647 int64_t pos = avio_tell(pb);
1648 int audio_profile = mov->iods_audio_profile;
1649 int video_profile = mov->iods_video_profile;
1650 for (i = 0; i < mov->nb_streams; i++) {
1651 if(mov->tracks[i].entry > 0) {
1652 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1653 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1656 if (audio_profile < 0)
1657 audio_profile = 0xFF - has_audio;
1658 if (video_profile < 0)
1659 video_profile = 0xFF - has_video;
1660 avio_wb32(pb, 0x0); /* size */
1661 ffio_wfourcc(pb, "iods");
1662 avio_wb32(pb, 0); /* version & flags */
1663 put_descr(pb, 0x10, 7);
1664 avio_wb16(pb, 0x004f);
1667 avio_w8(pb, audio_profile);
1668 avio_w8(pb, video_profile);
1670 return update_size(pb, pos);
1673 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1675 avio_wb32(pb, 0x20); /* size */
1676 ffio_wfourcc(pb, "trex");
1677 avio_wb32(pb, 0); /* version & flags */
1678 avio_wb32(pb, track->track_id); /* track ID */
1679 avio_wb32(pb, 1); /* default sample description index */
1680 avio_wb32(pb, 0); /* default sample duration */
1681 avio_wb32(pb, 0); /* default sample size */
1682 avio_wb32(pb, 0); /* default sample flags */
1686 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1688 int64_t pos = avio_tell(pb);
1690 avio_wb32(pb, 0x0); /* size */
1691 ffio_wfourcc(pb, "mvex");
1692 for (i = 0; i < mov->nb_streams; i++)
1693 mov_write_trex_tag(pb, &mov->tracks[i]);
1694 return update_size(pb, pos);
1697 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1699 int max_track_id = 1, i;
1700 int64_t max_track_len_temp, max_track_len = 0;
1703 for (i=0; i<mov->nb_streams; i++) {
1704 if(mov->tracks[i].entry > 0) {
1705 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1707 mov->tracks[i].timescale,
1709 if (max_track_len < max_track_len_temp)
1710 max_track_len = max_track_len_temp;
1711 if (max_track_id < mov->tracks[i].track_id)
1712 max_track_id = mov->tracks[i].track_id;
1716 version = max_track_len < UINT32_MAX ? 0 : 1;
1717 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1718 ffio_wfourcc(pb, "mvhd");
1719 avio_w8(pb, version);
1720 avio_wb24(pb, 0); /* flags */
1722 avio_wb64(pb, mov->time);
1723 avio_wb64(pb, mov->time);
1725 avio_wb32(pb, mov->time); /* creation time */
1726 avio_wb32(pb, mov->time); /* modification time */
1728 avio_wb32(pb, MOV_TIMESCALE);
1729 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1731 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1732 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1733 avio_wb16(pb, 0); /* reserved */
1734 avio_wb32(pb, 0); /* reserved */
1735 avio_wb32(pb, 0); /* reserved */
1737 /* Matrix structure */
1738 avio_wb32(pb, 0x00010000); /* reserved */
1739 avio_wb32(pb, 0x0); /* reserved */
1740 avio_wb32(pb, 0x0); /* reserved */
1741 avio_wb32(pb, 0x0); /* reserved */
1742 avio_wb32(pb, 0x00010000); /* reserved */
1743 avio_wb32(pb, 0x0); /* reserved */
1744 avio_wb32(pb, 0x0); /* reserved */
1745 avio_wb32(pb, 0x0); /* reserved */
1746 avio_wb32(pb, 0x40000000); /* reserved */
1748 avio_wb32(pb, 0); /* reserved (preview time) */
1749 avio_wb32(pb, 0); /* reserved (preview duration) */
1750 avio_wb32(pb, 0); /* reserved (poster time) */
1751 avio_wb32(pb, 0); /* reserved (selection time) */
1752 avio_wb32(pb, 0); /* reserved (selection duration) */
1753 avio_wb32(pb, 0); /* reserved (current time) */
1754 avio_wb32(pb, max_track_id + 1); /* Next track id */
1758 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1761 avio_wb32(pb, 33); /* size */
1762 ffio_wfourcc(pb, "hdlr");
1765 ffio_wfourcc(pb, "mdir");
1766 ffio_wfourcc(pb, "appl");
1773 /* helper function to write a data tag with the specified string as data */
1774 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1777 int size = 16 + strlen(data);
1778 avio_wb32(pb, size); /* size */
1779 ffio_wfourcc(pb, "data");
1782 avio_write(pb, data, strlen(data));
1786 lang = ff_mov_iso639_to_lang("und", 1);
1787 avio_wb16(pb, strlen(data)); /* string length */
1788 avio_wb16(pb, lang);
1789 avio_write(pb, data, strlen(data));
1790 return strlen(data) + 4;
1794 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1796 if (value && value[0]) {
1797 int64_t pos = avio_tell(pb);
1798 avio_wb32(pb, 0); /* size */
1799 ffio_wfourcc(pb, name);
1800 mov_write_string_data_tag(pb, value, lang, long_style);
1801 size = update_size(pb, pos);
1806 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1807 const char *name, const char *tag,
1810 int l, lang = 0, len, len2;
1811 AVDictionaryEntry *t, *t2 = NULL;
1814 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1817 len = strlen(t->key);
1818 snprintf(tag2, sizeof(tag2), "%s-", tag);
1819 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1820 len2 = strlen(t2->key);
1821 if (len2 == len+4 && !strcmp(t->value, t2->value)
1822 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1827 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1830 /* iTunes track number */
1831 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1834 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1835 int size = 0, track = t ? atoi(t->value) : 0;
1837 avio_wb32(pb, 32); /* size */
1838 ffio_wfourcc(pb, "trkn");
1839 avio_wb32(pb, 24); /* size */
1840 ffio_wfourcc(pb, "data");
1841 avio_wb32(pb, 0); // 8 bytes empty
1843 avio_wb16(pb, 0); // empty
1844 avio_wb16(pb, track); // track number
1845 avio_wb16(pb, 0); // total track number
1846 avio_wb16(pb, 0); // empty
1852 /* iTunes meta data list */
1853 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1856 int64_t pos = avio_tell(pb);
1857 avio_wb32(pb, 0); /* size */
1858 ffio_wfourcc(pb, "ilst");
1859 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1860 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1861 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1862 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1863 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1864 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1865 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1866 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1867 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1868 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1869 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1870 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1871 mov_write_string_metadata(s, pb, "desc", "description",1);
1872 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1873 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1874 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1875 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1876 mov_write_trkn_tag(pb, mov, s);
1877 return update_size(pb, pos);
1880 /* iTunes meta data tag */
1881 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1885 int64_t pos = avio_tell(pb);
1886 avio_wb32(pb, 0); /* size */
1887 ffio_wfourcc(pb, "meta");
1889 mov_write_itunes_hdlr_tag(pb, mov, s);
1890 mov_write_ilst_tag(pb, mov, s);
1891 size = update_size(pb, pos);
1895 static int utf8len(const uint8_t *b)
1900 GET_UTF8(val, *b++, return -1;)
1906 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1910 GET_UTF8(val, *b++, return -1;)
1913 avio_wb16(pb, 0x00);
1917 static uint16_t language_code(const char *str)
1919 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1922 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1923 const char *tag, const char *str)
1925 int64_t pos = avio_tell(pb);
1926 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1927 if (!t || !utf8len(t->value))
1929 avio_wb32(pb, 0); /* size */
1930 ffio_wfourcc(pb, tag); /* type */
1931 avio_wb32(pb, 0); /* version + flags */
1932 if (!strcmp(tag, "yrrc"))
1933 avio_wb16(pb, atoi(t->value));
1935 avio_wb16(pb, language_code("eng")); /* language */
1936 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1937 if (!strcmp(tag, "albm") &&
1938 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1939 avio_w8(pb, atoi(t->value));
1941 return update_size(pb, pos);
1944 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1946 int64_t pos = avio_tell(pb);
1947 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1949 avio_wb32(pb, 0); // size
1950 ffio_wfourcc(pb, "chpl");
1951 avio_wb32(pb, 0x01000000); // version + flags
1952 avio_wb32(pb, 0); // unknown
1953 avio_w8(pb, nb_chapters);
1955 for (i = 0; i < nb_chapters; i++) {
1956 AVChapter *c = s->chapters[i];
1957 AVDictionaryEntry *t;
1958 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1960 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1961 int len = FFMIN(strlen(t->value), 255);
1963 avio_write(pb, t->value, len);
1967 return update_size(pb, pos);
1970 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1973 AVIOContext *pb_buf;
1977 for (i = 0; i < s->nb_streams; i++)
1978 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1982 ret = avio_open_dyn_buf(&pb_buf);
1986 if (mov->mode & MODE_3GP) {
1987 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1988 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1989 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1990 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1991 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1992 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1993 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1994 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1995 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1996 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1997 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1998 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1999 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2000 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2001 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2002 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2003 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2004 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2006 /* iTunes meta data */
2007 mov_write_meta_tag(pb_buf, mov, s);
2011 mov_write_chpl_tag(pb_buf, s);
2013 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2014 avio_wb32(pb, size+8);
2015 ffio_wfourcc(pb, "udta");
2016 avio_write(pb, buf, size);
2023 static void mov_write_psp_udta_tag(AVIOContext *pb,
2024 const char *str, const char *lang, int type)
2026 int len = utf8len(str)+1;
2029 avio_wb16(pb, len*2+10); /* size */
2030 avio_wb32(pb, type); /* type */
2031 avio_wb16(pb, language_code(lang)); /* language */
2032 avio_wb16(pb, 0x01); /* ? */
2033 ascii_to_wc(pb, str);
2036 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2038 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2042 pos = avio_tell(pb);
2043 avio_wb32(pb, 0); /* size placeholder*/
2044 ffio_wfourcc(pb, "uuid");
2045 ffio_wfourcc(pb, "USMT");
2046 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2047 avio_wb32(pb, 0xbb88695c);
2048 avio_wb32(pb, 0xfac9c740);
2050 pos2 = avio_tell(pb);
2051 avio_wb32(pb, 0); /* size placeholder*/
2052 ffio_wfourcc(pb, "MTDT");
2056 avio_wb16(pb, 0x0C); /* size */
2057 avio_wb32(pb, 0x0B); /* type */
2058 avio_wb16(pb, language_code("und")); /* language */
2059 avio_wb16(pb, 0x0); /* ? */
2060 avio_wb16(pb, 0x021C); /* data */
2062 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2063 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2064 // 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);
2065 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2067 update_size(pb, pos2);
2068 return update_size(pb, pos);
2074 static void build_chunks(MOVTrack *trk)
2077 MOVIentry *chunk= &trk->cluster[0];
2078 uint64_t chunkSize = chunk->size;
2080 if (trk->chunkCount)
2083 for(i=1; i<trk->entry; i++){
2084 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2085 chunkSize + trk->cluster[i].size < (1<<20)){
2086 chunkSize += trk->cluster[i].size;
2087 chunk->samples_in_chunk += trk->cluster[i].entries;
2089 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2090 chunk=&trk->cluster[i];
2091 chunkSize = chunk->size;
2097 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2101 int64_t pos = avio_tell(pb);
2102 avio_wb32(pb, 0); /* size placeholder*/
2103 ffio_wfourcc(pb, "moov");
2105 for (i=0; i<mov->nb_streams; i++) {
2106 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2109 mov->tracks[i].time = mov->time;
2110 mov->tracks[i].track_id = i+1;
2112 if (mov->tracks[i].entry)
2113 build_chunks(&mov->tracks[i]);
2116 if (mov->chapter_track)
2117 for (i=0; i<s->nb_streams; i++) {
2118 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2119 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2121 for (i = 0; i < mov->nb_streams; i++) {
2122 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2123 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2124 mov->tracks[i].tref_id =
2125 mov->tracks[mov->tracks[i].src_track].track_id;
2129 mov_write_mvhd_tag(pb, mov);
2130 if (mov->mode != MODE_MOV && !mov->iods_skip)
2131 mov_write_iods_tag(pb, mov);
2132 for (i=0; i<mov->nb_streams; i++) {
2133 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2134 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2137 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2138 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2140 if (mov->mode == MODE_PSP)
2141 mov_write_uuidusmt_tag(pb, s);
2143 mov_write_udta_tag(pb, mov, s);
2145 return update_size(pb, pos);
2148 static void param_write_int(AVIOContext *pb, const char *name, int value)
2150 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2153 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2155 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2158 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2161 len = FFMIN(sizeof(buf)/2 - 1, len);
2162 ff_data_to_hex(buf, value, len, 0);
2164 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2167 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2169 int64_t pos = avio_tell(pb);
2171 const uint8_t uuid[] = {
2172 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2173 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2177 ffio_wfourcc(pb, "uuid");
2178 avio_write(pb, uuid, sizeof(uuid));
2181 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2182 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2183 avio_printf(pb, "<head>\n");
2184 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2186 avio_printf(pb, "</head>\n");
2187 avio_printf(pb, "<body>\n");
2188 avio_printf(pb, "<switch>\n");
2189 for (i = 0; i < mov->nb_streams; i++) {
2190 MOVTrack *track = &mov->tracks[i];
2192 /* track->track_id is initialized in write_moov, and thus isn't known
2194 int track_id = i + 1;
2196 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2198 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2203 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2204 track->enc->bit_rate);
2205 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2206 param_write_int(pb, "trackID", track_id);
2207 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2208 if (track->enc->codec_id == CODEC_ID_H264) {
2210 int size = track->enc->extradata_size;
2211 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2213 param_write_hex(pb, "CodecPrivateData",
2214 ptr ? ptr : track->enc->extradata,
2218 param_write_string(pb, "FourCC", "H264");
2219 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2220 param_write_string(pb, "FourCC", "WVC1");
2221 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2222 track->enc->extradata_size);
2224 param_write_int(pb, "MaxWidth", track->enc->width);
2225 param_write_int(pb, "MaxHeight", track->enc->height);
2226 param_write_int(pb, "DisplayWidth", track->enc->width);
2227 param_write_int(pb, "DisplayHeight", track->enc->height);
2229 if (track->enc->codec_id == CODEC_ID_AAC) {
2230 param_write_string(pb, "FourCC", "AACL");
2231 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2232 param_write_string(pb, "FourCC", "WMAP");
2234 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2235 track->enc->extradata_size);
2236 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2237 track->enc->codec_id));
2238 param_write_int(pb, "Channels", track->enc->channels);
2239 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2240 param_write_int(pb, "BitsPerSample", 16);
2241 param_write_int(pb, "PacketSize", track->enc->block_align ?
2242 track->enc->block_align : 4);
2244 avio_printf(pb, "</%s>\n", type);
2246 avio_printf(pb, "</switch>\n");
2247 avio_printf(pb, "</body>\n");
2248 avio_printf(pb, "</smil>\n");
2250 return update_size(pb, pos);
2253 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2256 ffio_wfourcc(pb, "mfhd");
2258 avio_wb32(pb, mov->fragments);
2262 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2263 int64_t moof_offset)
2265 int64_t pos = avio_tell(pb);
2266 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2267 MOV_TFHD_BASE_DATA_OFFSET;
2268 if (!track->entry) {
2269 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2271 flags |= MOV_TFHD_DEFAULT_FLAGS;
2274 /* Don't set a default sample size, the silverlight player refuses
2275 * to play files with that set. Don't set a default sample duration,
2276 * WMP freaks out if it is set. */
2277 if (track->mode == MODE_ISM)
2278 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2280 avio_wb32(pb, 0); /* size placeholder */
2281 ffio_wfourcc(pb, "tfhd");
2282 avio_w8(pb, 0); /* version */
2283 avio_wb24(pb, flags);
2285 avio_wb32(pb, track->track_id); /* track-id */
2286 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2287 avio_wb64(pb, moof_offset);
2288 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2289 track->default_duration = get_cluster_duration(track, 0);
2290 avio_wb32(pb, track->default_duration);
2292 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2293 track->default_size = track->entry ? track->cluster[0].size : 1;
2294 avio_wb32(pb, track->default_size);
2296 track->default_size = -1;
2298 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2299 track->default_sample_flags =
2300 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2301 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2302 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2303 avio_wb32(pb, track->default_sample_flags);
2306 return update_size(pb, pos);
2309 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2311 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2312 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2315 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2317 int64_t pos = avio_tell(pb);
2318 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2321 for (i = 0; i < track->entry; i++) {
2322 if (get_cluster_duration(track, i) != track->default_duration)
2323 flags |= MOV_TRUN_SAMPLE_DURATION;
2324 if (track->cluster[i].size != track->default_size)
2325 flags |= MOV_TRUN_SAMPLE_SIZE;
2326 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2327 flags |= MOV_TRUN_SAMPLE_FLAGS;
2329 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2330 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2331 if (track->flags & MOV_TRACK_CTTS)
2332 flags |= MOV_TRUN_SAMPLE_CTS;
2334 avio_wb32(pb, 0); /* size placeholder */
2335 ffio_wfourcc(pb, "trun");
2336 avio_w8(pb, 0); /* version */
2337 avio_wb24(pb, flags);
2339 avio_wb32(pb, track->entry); /* sample count */
2340 track->moof_size_offset = avio_tell(pb);
2341 avio_wb32(pb, 0); /* data offset */
2342 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2343 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2345 for (i = 0; i < track->entry; i++) {
2346 if (flags & MOV_TRUN_SAMPLE_DURATION)
2347 avio_wb32(pb, get_cluster_duration(track, i));
2348 if (flags & MOV_TRUN_SAMPLE_SIZE)
2349 avio_wb32(pb, track->cluster[i].size);
2350 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2351 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2352 if (flags & MOV_TRUN_SAMPLE_CTS)
2353 avio_wb32(pb, track->cluster[i].cts);
2356 return update_size(pb, pos);
2359 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2361 int64_t pos = avio_tell(pb);
2362 const uint8_t uuid[] = {
2363 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2364 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2367 avio_wb32(pb, 0); /* size placeholder */
2368 ffio_wfourcc(pb, "uuid");
2369 avio_write(pb, uuid, sizeof(uuid));
2372 avio_wb64(pb, track->frag_start);
2373 avio_wb64(pb, track->start_dts + track->track_duration -
2374 track->cluster[0].dts);
2376 return update_size(pb, pos);
2379 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2380 MOVTrack *track, int entry)
2382 int n = track->nb_frag_info - 1 - entry, i;
2383 int size = 8 + 16 + 4 + 1 + 16*n;
2384 const uint8_t uuid[] = {
2385 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2386 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2392 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2393 avio_wb32(pb, size);
2394 ffio_wfourcc(pb, "uuid");
2395 avio_write(pb, uuid, sizeof(uuid));
2399 for (i = 0; i < n; i++) {
2400 int index = entry + 1 + i;
2401 avio_wb64(pb, track->frag_info[index].time);
2402 avio_wb64(pb, track->frag_info[index].duration);
2404 if (n < mov->ism_lookahead) {
2405 int free_size = 16*(mov->ism_lookahead - n);
2406 avio_wb32(pb, free_size);
2407 ffio_wfourcc(pb, "free");
2408 for (i = 0; i < free_size - 8; i++)
2415 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2418 int64_t pos = avio_tell(pb);
2420 for (i = 0; i < mov->ism_lookahead; i++) {
2421 /* Update the tfrf tag for the last ism_lookahead fragments,
2422 * nb_frag_info - 1 is the next fragment to be written. */
2423 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2425 avio_seek(pb, pos, SEEK_SET);
2429 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2430 MOVTrack *track, int64_t moof_offset)
2432 int64_t pos = avio_tell(pb);
2433 avio_wb32(pb, 0); /* size placeholder */
2434 ffio_wfourcc(pb, "traf");
2436 mov_write_tfhd_tag(pb, track, moof_offset);
2437 mov_write_trun_tag(pb, track);
2438 if (mov->mode == MODE_ISM) {
2439 mov_write_tfxd_tag(pb, track);
2441 if (mov->ism_lookahead) {
2442 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2444 track->tfrf_offset = avio_tell(pb);
2445 avio_wb32(pb, 8 + size);
2446 ffio_wfourcc(pb, "free");
2447 for (i = 0; i < size; i++)
2452 return update_size(pb, pos);
2455 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2457 int64_t pos = avio_tell(pb), end;
2460 avio_wb32(pb, 0); /* size placeholder */
2461 ffio_wfourcc(pb, "moof");
2463 mov_write_mfhd_tag(pb, mov);
2464 for (i = 0; i < mov->nb_streams; i++) {
2465 MOVTrack *track = &mov->tracks[i];
2466 if (tracks >= 0 && i != tracks)
2470 mov_write_traf_tag(pb, mov, track, pos);
2473 end = avio_tell(pb);
2474 moof_size = end - pos;
2475 for (i = 0; i < mov->nb_streams; i++) {
2476 MOVTrack *track = &mov->tracks[i];
2477 if (tracks >= 0 && i != tracks)
2481 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2482 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2484 avio_seek(pb, end, SEEK_SET);
2486 return update_size(pb, pos);
2489 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2491 int64_t pos = avio_tell(pb);
2494 avio_wb32(pb, 0); /* size placeholder */
2495 ffio_wfourcc(pb, "tfra");
2496 avio_w8(pb, 1); /* version */
2499 avio_wb32(pb, track->track_id);
2500 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2501 avio_wb32(pb, track->nb_frag_info);
2502 for (i = 0; i < track->nb_frag_info; i++) {
2503 avio_wb64(pb, track->frag_info[i].time);
2504 avio_wb64(pb, track->frag_info[i].offset);
2505 avio_w8(pb, 1); /* traf number */
2506 avio_w8(pb, 1); /* trun number */
2507 avio_w8(pb, 1); /* sample number */
2510 return update_size(pb, pos);
2513 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2515 int64_t pos = avio_tell(pb);
2518 avio_wb32(pb, 0); /* size placeholder */
2519 ffio_wfourcc(pb, "mfra");
2520 /* An empty mfra atom is enough to indicate to the publishing point that
2521 * the stream has ended. */
2522 if (mov->flags & FF_MOV_FLAG_ISML)
2523 return update_size(pb, pos);
2525 for (i = 0; i < mov->nb_streams; i++) {
2526 MOVTrack *track = &mov->tracks[i];
2527 if (track->nb_frag_info)
2528 mov_write_tfra_tag(pb, track);
2532 ffio_wfourcc(pb, "mfro");
2533 avio_wb32(pb, 0); /* version + flags */
2534 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2536 return update_size(pb, pos);
2539 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2541 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2542 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2544 mov->mdat_pos = avio_tell(pb);
2545 avio_wb32(pb, 0); /* size placeholder*/
2546 ffio_wfourcc(pb, "mdat");
2550 /* TODO: This needs to be more general */
2551 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2553 MOVMuxContext *mov = s->priv_data;
2554 int64_t pos = avio_tell(pb);
2555 int has_h264 = 0, has_video = 0;
2559 for (i = 0; i < s->nb_streams; i++) {
2560 AVStream *st = s->streams[i];
2561 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2563 if (st->codec->codec_id == CODEC_ID_H264)
2567 avio_wb32(pb, 0); /* size */
2568 ffio_wfourcc(pb, "ftyp");
2570 if (mov->mode == MODE_3GP) {
2571 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2572 minor = has_h264 ? 0x100 : 0x200;
2573 } else if (mov->mode & MODE_3G2) {
2574 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2575 minor = has_h264 ? 0x20000 : 0x10000;
2576 }else if (mov->mode == MODE_PSP)
2577 ffio_wfourcc(pb, "MSNV");
2578 else if (mov->mode == MODE_MP4)
2579 ffio_wfourcc(pb, "isom");
2580 else if (mov->mode == MODE_IPOD)
2581 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2582 else if (mov->mode == MODE_ISM)
2583 ffio_wfourcc(pb, "isml");
2585 ffio_wfourcc(pb, "qt ");
2587 avio_wb32(pb, minor);
2589 if(mov->mode == MODE_MOV)
2590 ffio_wfourcc(pb, "qt ");
2591 else if (mov->mode == MODE_ISM) {
2592 ffio_wfourcc(pb, "piff");
2593 ffio_wfourcc(pb, "iso2");
2595 ffio_wfourcc(pb, "isom");
2596 ffio_wfourcc(pb, "iso2");
2598 ffio_wfourcc(pb, "avc1");
2601 if (mov->mode == MODE_3GP)
2602 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2603 else if (mov->mode & MODE_3G2)
2604 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2605 else if (mov->mode == MODE_PSP)
2606 ffio_wfourcc(pb, "MSNV");
2607 else if (mov->mode == MODE_MP4)
2608 ffio_wfourcc(pb, "mp41");
2609 return update_size(pb, pos);
2612 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2614 AVCodecContext *video_codec = s->streams[0]->codec;
2615 AVCodecContext *audio_codec = s->streams[1]->codec;
2616 int audio_rate = audio_codec->sample_rate;
2617 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2618 int audio_kbitrate = audio_codec->bit_rate / 1000;
2619 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2621 avio_wb32(pb, 0x94); /* size */
2622 ffio_wfourcc(pb, "uuid");
2623 ffio_wfourcc(pb, "PROF");
2625 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2626 avio_wb32(pb, 0xbb88695c);
2627 avio_wb32(pb, 0xfac9c740);
2629 avio_wb32(pb, 0x0); /* ? */
2630 avio_wb32(pb, 0x3); /* 3 sections ? */
2632 avio_wb32(pb, 0x14); /* size */
2633 ffio_wfourcc(pb, "FPRF");
2634 avio_wb32(pb, 0x0); /* ? */
2635 avio_wb32(pb, 0x0); /* ? */
2636 avio_wb32(pb, 0x0); /* ? */
2638 avio_wb32(pb, 0x2c); /* size */
2639 ffio_wfourcc(pb, "APRF");/* audio */
2641 avio_wb32(pb, 0x2); /* TrackID */
2642 ffio_wfourcc(pb, "mp4a");
2643 avio_wb32(pb, 0x20f);
2645 avio_wb32(pb, audio_kbitrate);
2646 avio_wb32(pb, audio_kbitrate);
2647 avio_wb32(pb, audio_rate);
2648 avio_wb32(pb, audio_codec->channels);
2650 avio_wb32(pb, 0x34); /* size */
2651 ffio_wfourcc(pb, "VPRF"); /* video */
2653 avio_wb32(pb, 0x1); /* TrackID */
2654 if (video_codec->codec_id == CODEC_ID_H264) {
2655 ffio_wfourcc(pb, "avc1");
2656 avio_wb16(pb, 0x014D);
2657 avio_wb16(pb, 0x0015);
2659 ffio_wfourcc(pb, "mp4v");
2660 avio_wb16(pb, 0x0000);
2661 avio_wb16(pb, 0x0103);
2664 avio_wb32(pb, video_kbitrate);
2665 avio_wb32(pb, video_kbitrate);
2666 avio_wb32(pb, frame_rate);
2667 avio_wb32(pb, frame_rate);
2668 avio_wb16(pb, video_codec->width);
2669 avio_wb16(pb, video_codec->height);
2670 avio_wb32(pb, 0x010001); /* ? */
2673 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2676 int i, closed_gop = 0;
2678 for (i = 0; i < pkt->size - 4; i++) {
2679 c = (c<<8) + pkt->data[i];
2680 if (c == 0x1b8) { // gop
2681 closed_gop = pkt->data[i+4]>>6 & 0x01;
2682 } else if (c == 0x100) { // pic
2683 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2684 if (!temp_ref || closed_gop) // I picture is not reordered
2685 *flags = MOV_SYNC_SAMPLE;
2687 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2694 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2696 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2697 int seq = 0, entry = 0;
2698 int key = pkt->flags & AV_PKT_FLAG_KEY;
2699 start = find_next_marker(pkt->data, end);
2700 for (next = start; next < end; start = next) {
2701 next = find_next_marker(start + 4, end);
2702 switch (AV_RB32(start)) {
2703 case VC1_CODE_SEQHDR:
2706 case VC1_CODE_ENTRYPOINT:
2709 case VC1_CODE_SLICE:
2710 trk->vc1_info.slices = 1;
2714 if (!trk->entry && !fragment) {
2715 /* First packet in first fragment */
2716 trk->vc1_info.first_packet_seq = seq;
2717 trk->vc1_info.first_packet_entry = entry;
2718 } else if ((seq && !trk->vc1_info.packet_seq) ||
2719 (entry && !trk->vc1_info.packet_entry)) {
2721 for (i = 0; i < trk->entry; i++)
2722 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2723 trk->has_keyframes = 0;
2725 trk->vc1_info.packet_seq = 1;
2727 trk->vc1_info.packet_entry = 1;
2729 /* First fragment */
2730 if ((!seq || trk->vc1_info.first_packet_seq) &&
2731 (!entry || trk->vc1_info.first_packet_entry)) {
2732 /* First packet had the same headers as this one, readd the
2733 * sync sample flag. */
2734 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2735 trk->has_keyframes = 1;
2739 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2741 else if (trk->vc1_info.packet_seq)
2743 else if (trk->vc1_info.packet_entry)
2746 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2747 trk->has_keyframes++;
2751 static int mov_flush_fragment(AVFormatContext *s)
2753 MOVMuxContext *mov = s->priv_data;
2754 int i, first_track = -1;
2755 int64_t mdat_size = 0;
2757 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2760 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2761 int64_t pos = avio_tell(s->pb);
2763 AVIOContext *moov_buf;
2767 for (i = 0; i < mov->nb_streams; i++)
2768 if (!mov->tracks[i].entry)
2770 /* Don't write the initial moov unless all tracks have data */
2771 if (i < mov->nb_streams)
2774 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2776 mov_write_moov_tag(moov_buf, mov, s);
2777 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2779 for (i = 0; i < mov->nb_streams; i++)
2780 mov->tracks[i].data_offset = pos + buf_size + 8;
2782 mov_write_moov_tag(s->pb, mov, s);
2784 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2785 mov->mdat_buf = NULL;
2786 avio_wb32(s->pb, buf_size + 8);
2787 ffio_wfourcc(s->pb, "mdat");
2788 avio_write(s->pb, buf, buf_size);
2793 for (i = 0; i < mov->nb_streams; i++) {
2794 if (mov->tracks[i].entry)
2795 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2796 mov->tracks[i].track_duration -
2797 mov->tracks[i].cluster[0].dts;
2798 mov->tracks[i].entry = 0;
2804 for (i = 0; i < mov->nb_streams; i++) {
2805 MOVTrack *track = &mov->tracks[i];
2806 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2807 track->data_offset = 0;
2809 track->data_offset = mdat_size;
2810 if (!track->mdat_buf)
2812 mdat_size += avio_tell(track->mdat_buf);
2813 if (first_track < 0)
2820 for (i = 0; i < mov->nb_streams; i++) {
2821 MOVTrack *track = &mov->tracks[i];
2822 int buf_size, write_moof = 1, moof_tracks = -1;
2824 int64_t duration = 0;
2827 duration = track->start_dts + track->track_duration -
2828 track->cluster[0].dts;
2829 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2830 if (!track->mdat_buf)
2832 mdat_size = avio_tell(track->mdat_buf);
2835 write_moof = i == first_track;
2839 MOVFragmentInfo *info;
2841 track->nb_frag_info++;
2842 track->frag_info = av_realloc(track->frag_info,
2843 sizeof(*track->frag_info) *
2844 track->nb_frag_info);
2845 info = &track->frag_info[track->nb_frag_info - 1];
2846 info->offset = avio_tell(s->pb);
2847 info->time = mov->tracks[i].frag_start;
2848 info->duration = duration;
2849 mov_write_tfrf_tags(s->pb, mov, track);
2851 mov_write_moof_tag(s->pb, mov, moof_tracks);
2852 info->tfrf_offset = track->tfrf_offset;
2855 avio_wb32(s->pb, mdat_size + 8);
2856 ffio_wfourcc(s->pb, "mdat");
2860 track->frag_start += duration;
2862 if (!track->mdat_buf)
2864 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2865 track->mdat_buf = NULL;
2867 avio_write(s->pb, buf, buf_size);
2877 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2879 MOVMuxContext *mov = s->priv_data;
2880 AVIOContext *pb = s->pb;
2881 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2882 AVCodecContext *enc = trk->enc;
2883 unsigned int samples_in_chunk = 0;
2884 int size= pkt->size;
2885 uint8_t *reformatted_data = NULL;
2887 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2889 if (mov->fragments > 0) {
2890 if (!trk->mdat_buf) {
2891 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2896 if (!mov->mdat_buf) {
2897 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2904 if (enc->codec_id == CODEC_ID_AMR_NB) {
2905 /* We must find out how many AMR blocks there are in one packet */
2906 static uint16_t packed_size[16] =
2907 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2910 while (len < size && samples_in_chunk < 100) {
2911 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2914 if (samples_in_chunk > 1) {
2915 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2918 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2919 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2920 samples_in_chunk = enc->frame_size;
2921 } else if (trk->sample_size)
2922 samples_in_chunk = size / trk->sample_size;
2924 samples_in_chunk = 1;
2926 /* copy extradata if it exists */
2927 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2928 trk->vos_len = enc->extradata_size;
2929 trk->vos_data = av_malloc(trk->vos_len);
2930 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2933 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2934 /* from x264 or from bytestream h264 */
2935 /* nal reformating needed */
2936 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2937 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2939 avio_write(pb, reformatted_data, size);
2941 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2943 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2944 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2945 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2948 avio_write(pb, pkt->data, size);
2951 if ((enc->codec_id == CODEC_ID_DNXHD ||
2952 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2953 /* copy frame to create needed atoms */
2954 trk->vos_len = size;
2955 trk->vos_data = av_malloc(size);
2957 return AVERROR(ENOMEM);
2958 memcpy(trk->vos_data, pkt->data, size);
2961 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2962 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2967 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2968 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2969 trk->cluster[trk->entry].chunkNum = 0;
2970 trk->cluster[trk->entry].size = size;
2971 trk->cluster[trk->entry].entries = samples_in_chunk;
2972 trk->cluster[trk->entry].dts = pkt->dts;
2973 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2974 /* First packet of a new fragment. We already wrote the duration
2975 * of the last packet of the previous fragment based on track_duration,
2976 * which might not exactly match our dts. Therefore adjust the dts
2977 * of this packet to be what the previous packets duration implies. */
2978 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2980 if (trk->start_dts == AV_NOPTS_VALUE)
2981 trk->start_dts = pkt->dts;
2982 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2984 if (pkt->pts == AV_NOPTS_VALUE) {
2985 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2986 pkt->pts = pkt->dts;
2988 if (pkt->dts != pkt->pts)
2989 trk->flags |= MOV_TRACK_CTTS;
2990 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2991 trk->cluster[trk->entry].flags = 0;
2992 if (enc->codec_id == CODEC_ID_VC1) {
2993 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2994 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2995 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2996 trk->entry > 0) { // force sync sample for the first key frame
2997 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2998 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2999 trk->flags |= MOV_TRACK_STPS;
3001 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3003 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3004 trk->has_keyframes++;
3007 trk->sample_count += samples_in_chunk;
3008 mov->mdat_size += size;
3012 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3013 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3014 reformatted_data, size);
3015 av_free(reformatted_data);
3019 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3022 mov_flush_fragment(s);
3025 MOVMuxContext *mov = s->priv_data;
3026 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3027 AVCodecContext *enc = trk->enc;
3028 int64_t frag_duration = 0;
3029 int size = pkt->size;
3031 if (!pkt->size) return 0; /* Discard 0 sized packets */
3033 if (trk->entry && pkt->stream_index < s->nb_streams)
3034 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3035 s->streams[pkt->stream_index]->time_base,
3037 if ((mov->max_fragment_duration &&
3038 frag_duration >= mov->max_fragment_duration) ||
3039 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3040 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3041 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3042 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3043 if (frag_duration >= mov->min_fragment_duration)
3044 mov_flush_fragment(s);
3047 return ff_mov_write_packet(s, pkt);
3051 // QuickTime chapters involve an additional text track with the chapter names
3052 // as samples, and a tref pointing from the other tracks to the chapter one.
3053 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3055 MOVMuxContext *mov = s->priv_data;
3056 MOVTrack *track = &mov->tracks[tracknum];
3057 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3060 track->mode = mov->mode;
3061 track->tag = MKTAG('t','e','x','t');
3062 track->timescale = MOV_TIMESCALE;
3063 track->enc = avcodec_alloc_context3(NULL);
3064 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3066 for (i = 0; i < s->nb_chapters; i++) {
3067 AVChapter *c = s->chapters[i];
3068 AVDictionaryEntry *t;
3070 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3071 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3072 pkt.duration = end - pkt.dts;
3074 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3075 len = strlen(t->value);
3077 pkt.data = av_malloc(pkt.size);
3078 AV_WB16(pkt.data, len);
3079 memcpy(pkt.data+2, t->value, len);
3080 ff_mov_write_packet(s, &pkt);
3081 av_freep(&pkt.data);
3086 static int mov_write_header(AVFormatContext *s)
3088 AVIOContext *pb = s->pb;
3089 MOVMuxContext *mov = s->priv_data;
3090 AVDictionaryEntry *t;
3091 int i, hint_track = 0;
3093 /* Set the FRAGMENT flag if any of the fragmentation methods are
3095 if (mov->max_fragment_duration || mov->max_fragment_size ||
3096 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3097 FF_MOV_FLAG_FRAG_KEYFRAME |
3098 FF_MOV_FLAG_FRAG_CUSTOM))
3099 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3101 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3102 * is enabled, we don't support non-seekable output at all. */
3103 if (!s->pb->seekable &&
3104 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3105 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3106 || mov->ism_lookahead)) {
3107 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3111 /* Default mode == MP4 */
3112 mov->mode = MODE_MP4;
3114 if (s->oformat != NULL) {
3115 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3116 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3117 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3118 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3119 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3120 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3122 mov_write_ftyp_tag(pb,s);
3123 if (mov->mode == MODE_PSP) {
3124 if (s->nb_streams != 2) {
3125 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3128 mov_write_uuidprof_tag(pb,s);
3132 mov->nb_streams = s->nb_streams;
3133 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3134 mov->chapter_track = mov->nb_streams++;
3136 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3137 /* Add hint tracks for each audio and video stream */
3138 hint_track = mov->nb_streams;
3139 for (i = 0; i < s->nb_streams; i++) {
3140 AVStream *st = s->streams[i];
3141 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3142 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3148 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3150 return AVERROR(ENOMEM);
3152 for(i=0; i<s->nb_streams; i++){
3153 AVStream *st= s->streams[i];
3154 MOVTrack *track= &mov->tracks[i];
3155 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3157 track->enc = st->codec;
3158 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3159 if (track->language < 0)
3160 track->language = 0;
3161 track->mode = mov->mode;
3162 track->tag = mov_find_codec_tag(s, track);
3164 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3165 "codec not currently supported in container\n", i);
3168 /* If hinting of this track is enabled by a later hint track,
3169 * this is updated. */
3170 track->hint_track = -1;
3171 track->start_dts = AV_NOPTS_VALUE;
3172 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3173 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3174 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3175 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3176 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3177 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3180 track->height = track->tag>>24 == 'n' ? 486 : 576;
3182 track->timescale = st->codec->time_base.den;
3183 if (track->mode == MODE_MOV && track->timescale > 100000)
3184 av_log(s, AV_LOG_WARNING,
3185 "WARNING codec timebase is very high. If duration is too long,\n"
3186 "file may not be playable by quicktime. Specify a shorter timebase\n"
3187 "or choose different container.\n");
3188 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3189 track->timescale = st->codec->sample_rate;
3190 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3191 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3192 track->audio_vbr = 1;
3193 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3194 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3195 if (!st->codec->block_align) {
3196 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3199 track->sample_size = st->codec->block_align;
3200 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3201 track->audio_vbr = 1;
3203 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3205 if (track->mode != MODE_MOV &&
3206 track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3207 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3208 i, track->enc->sample_rate);
3211 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3212 track->timescale = st->codec->time_base.den;
3214 track->timescale = MOV_TIMESCALE;
3217 track->height = st->codec->height;
3218 /* The ism specific timescale isn't mandatory, but is assumed by
3219 * some tools, such as mp4split. */
3220 if (mov->mode == MODE_ISM)
3221 track->timescale = 10000000;
3223 avpriv_set_pts_info(st, 64, 1, track->timescale);
3225 /* copy extradata if it exists */
3226 if (st->codec->extradata_size) {
3227 track->vos_len = st->codec->extradata_size;
3228 track->vos_data = av_malloc(track->vos_len);
3229 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3233 if (mov->mode == MODE_ISM) {
3234 /* If no fragmentation options have been set, set a default. */
3235 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3236 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3237 !mov->max_fragment_duration && !mov->max_fragment_size)
3238 mov->max_fragment_duration = 5000000;
3239 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3240 FF_MOV_FLAG_FRAGMENT;
3243 if(mov->reserved_moov_size){
3244 mov->reserved_moov_pos= avio_tell(pb);
3245 avio_skip(pb, mov->reserved_moov_size);
3248 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3249 mov_write_mdat_tag(pb, mov);
3251 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3252 mov->time = ff_iso8601_to_unix_time(t->value);
3254 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3256 if (mov->chapter_track)
3257 mov_create_chapter_track(s, mov->chapter_track);
3259 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3260 /* Initialize the hint tracks for each audio and video stream */
3261 for (i = 0; i < s->nb_streams; i++) {
3262 AVStream *st = s->streams[i];
3263 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3264 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3265 ff_mov_init_hinting(s, hint_track, i);
3273 if (mov->flags & FF_MOV_FLAG_ISML)
3274 mov_write_isml_manifest(pb, mov);
3276 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3277 mov_write_moov_tag(pb, mov, s);
3283 av_freep(&mov->tracks);
3287 static int mov_write_trailer(AVFormatContext *s)
3289 MOVMuxContext *mov = s->priv_data;
3290 AVIOContext *pb = s->pb;
3294 int64_t moov_pos = avio_tell(pb);
3296 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3297 /* Write size of mdat tag */
3298 if (mov->mdat_size + 8 <= UINT32_MAX) {
3299 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3300 avio_wb32(pb, mov->mdat_size + 8);
3302 /* overwrite 'wide' placeholder atom */
3303 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3304 /* special value: real atom size will be 64 bit value after
3307 ffio_wfourcc(pb, "mdat");
3308 avio_wb64(pb, mov->mdat_size + 16);
3310 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3312 mov_write_moov_tag(pb, mov, s);
3313 if(mov->reserved_moov_size){
3314 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3316 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3319 avio_wb32(pb, size);
3320 ffio_wfourcc(pb, "free");
3321 for(i=0; i<size; i++)
3323 avio_seek(pb, moov_pos, SEEK_SET);
3326 mov_flush_fragment(s);
3327 mov_write_mfra_tag(pb, mov);
3330 if (mov->chapter_track)
3331 av_freep(&mov->tracks[mov->chapter_track].enc);
3333 for (i=0; i<mov->nb_streams; i++) {
3334 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3335 ff_mov_close_hinting(&mov->tracks[i]);
3336 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3337 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3338 int64_t off = avio_tell(pb);
3340 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3341 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3342 avio_write(pb, buf, 7);
3343 avio_seek(pb, off, SEEK_SET);
3346 av_freep(&mov->tracks[i].cluster);
3347 av_freep(&mov->tracks[i].frag_info);
3349 if (mov->tracks[i].vos_len)
3350 av_free(mov->tracks[i].vos_data);
3356 av_freep(&mov->tracks);
3361 #if CONFIG_MOV_MUXER
3363 AVOutputFormat ff_mov_muxer = {
3365 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3366 .extensions = "mov",
3367 .priv_data_size = sizeof(MOVMuxContext),
3368 .audio_codec = CODEC_ID_AAC,
3369 #if CONFIG_LIBX264_ENCODER
3370 .video_codec = CODEC_ID_H264,
3372 .video_codec = CODEC_ID_MPEG4,
3374 .write_header = mov_write_header,
3375 .write_packet = mov_write_packet,
3376 .write_trailer = mov_write_trailer,
3377 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3378 .codec_tag = (const AVCodecTag* const []){
3379 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3381 .priv_class = &mov_muxer_class,
3384 #if CONFIG_TGP_MUXER
3386 AVOutputFormat ff_tgp_muxer = {
3388 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3389 .extensions = "3gp",
3390 .priv_data_size = sizeof(MOVMuxContext),
3391 .audio_codec = CODEC_ID_AMR_NB,
3392 .video_codec = CODEC_ID_H263,
3393 .write_header = mov_write_header,
3394 .write_packet = mov_write_packet,
3395 .write_trailer = mov_write_trailer,
3396 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3397 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3398 .priv_class = &tgp_muxer_class,
3401 #if CONFIG_MP4_MUXER
3403 AVOutputFormat ff_mp4_muxer = {
3405 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3406 .mime_type = "application/mp4",
3407 .extensions = "mp4",
3408 .priv_data_size = sizeof(MOVMuxContext),
3409 .audio_codec = CODEC_ID_AAC,
3410 #if CONFIG_LIBX264_ENCODER
3411 .video_codec = CODEC_ID_H264,
3413 .video_codec = CODEC_ID_MPEG4,
3415 .write_header = mov_write_header,
3416 .write_packet = mov_write_packet,
3417 .write_trailer = mov_write_trailer,
3418 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3419 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3420 .priv_class = &mp4_muxer_class,
3423 #if CONFIG_PSP_MUXER
3425 AVOutputFormat ff_psp_muxer = {
3427 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3428 .extensions = "mp4,psp",
3429 .priv_data_size = sizeof(MOVMuxContext),
3430 .audio_codec = CODEC_ID_AAC,
3431 #if CONFIG_LIBX264_ENCODER
3432 .video_codec = CODEC_ID_H264,
3434 .video_codec = CODEC_ID_MPEG4,
3436 .write_header = mov_write_header,
3437 .write_packet = mov_write_packet,
3438 .write_trailer = mov_write_trailer,
3439 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3440 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3441 .priv_class = &psp_muxer_class,
3444 #if CONFIG_TG2_MUXER
3446 AVOutputFormat ff_tg2_muxer = {
3448 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3449 .extensions = "3g2",
3450 .priv_data_size = sizeof(MOVMuxContext),
3451 .audio_codec = CODEC_ID_AMR_NB,
3452 .video_codec = CODEC_ID_H263,
3453 .write_header = mov_write_header,
3454 .write_packet = mov_write_packet,
3455 .write_trailer = mov_write_trailer,
3456 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3457 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3458 .priv_class = &tg2_muxer_class,
3461 #if CONFIG_IPOD_MUXER
3463 AVOutputFormat ff_ipod_muxer = {
3465 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3466 .mime_type = "application/mp4",
3467 .extensions = "m4v,m4a",
3468 .priv_data_size = sizeof(MOVMuxContext),
3469 .audio_codec = CODEC_ID_AAC,
3470 .video_codec = CODEC_ID_H264,
3471 .write_header = mov_write_header,
3472 .write_packet = mov_write_packet,
3473 .write_trailer = mov_write_trailer,
3474 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3475 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3476 .priv_class = &ipod_muxer_class,
3479 #if CONFIG_ISMV_MUXER
3481 AVOutputFormat ff_ismv_muxer = {
3483 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3484 .mime_type = "application/mp4",
3485 .extensions = "ismv,isma",
3486 .priv_data_size = sizeof(MOVMuxContext),
3487 .audio_codec = CODEC_ID_AAC,
3488 .video_codec = CODEC_ID_H264,
3489 .write_header = mov_write_header,
3490 .write_packet = mov_write_packet,
3491 .write_trailer = mov_write_trailer,
3492 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3493 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3494 .priv_class = &ismv_muxer_class,