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)))
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_DNXHD)
1074 mov_write_avid_tag(pb, track);
1075 else if(track->enc->codec_id == CODEC_ID_H264) {
1076 mov_write_avcc_tag(pb, track);
1077 if(track->mode == MODE_IPOD)
1078 mov_write_uuid_tag_ipod(pb);
1079 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1080 mov_write_fiel_tag(pb, track);
1081 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1082 mov_write_dvc1_tag(pb, track);
1083 else if (track->vos_len > 0)
1084 mov_write_glbl_tag(pb, track);
1086 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1087 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1088 mov_write_pasp_tag(pb, track);
1091 return update_size(pb, pos);
1094 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1096 int64_t pos = avio_tell(pb);
1097 avio_wb32(pb, 0); /* size */
1098 ffio_wfourcc(pb, "rtp ");
1099 avio_wb32(pb, 0); /* Reserved */
1100 avio_wb16(pb, 0); /* Reserved */
1101 avio_wb16(pb, 1); /* Data-reference index */
1103 avio_wb16(pb, 1); /* Hint track version */
1104 avio_wb16(pb, 1); /* Highest compatible version */
1105 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1107 avio_wb32(pb, 12); /* size */
1108 ffio_wfourcc(pb, "tims");
1109 avio_wb32(pb, track->timescale);
1111 return update_size(pb, pos);
1114 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1116 int64_t pos = avio_tell(pb);
1117 avio_wb32(pb, 0); /* size */
1118 ffio_wfourcc(pb, "stsd");
1119 avio_wb32(pb, 0); /* version & flags */
1120 avio_wb32(pb, 1); /* entry count */
1121 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1122 mov_write_video_tag(pb, track);
1123 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1124 mov_write_audio_tag(pb, track);
1125 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1126 mov_write_subtitle_tag(pb, track);
1127 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1128 mov_write_rtp_tag(pb, track);
1129 return update_size(pb, pos);
1132 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1134 MOVStts *ctts_entries;
1135 uint32_t entries = 0;
1139 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1140 ctts_entries[0].count = 1;
1141 ctts_entries[0].duration = track->cluster[0].cts;
1142 for (i=1; i<track->entry; i++) {
1143 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1144 ctts_entries[entries].count++; /* compress */
1147 ctts_entries[entries].duration = track->cluster[i].cts;
1148 ctts_entries[entries].count = 1;
1151 entries++; /* last one */
1152 atom_size = 16 + (entries * 8);
1153 avio_wb32(pb, atom_size); /* size */
1154 ffio_wfourcc(pb, "ctts");
1155 avio_wb32(pb, 0); /* version & flags */
1156 avio_wb32(pb, entries); /* entry count */
1157 for (i=0; i<entries; i++) {
1158 avio_wb32(pb, ctts_entries[i].count);
1159 avio_wb32(pb, ctts_entries[i].duration);
1161 av_free(ctts_entries);
1165 /* Time to sample atom */
1166 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1168 MOVStts *stts_entries;
1169 uint32_t entries = -1;
1173 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1174 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1175 stts_entries[0].count = track->sample_count;
1176 stts_entries[0].duration = 1;
1179 stts_entries = track->entry ?
1180 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1182 for (i=0; i<track->entry; i++) {
1183 int duration = get_cluster_duration(track, i);
1184 if (i && duration == stts_entries[entries].duration) {
1185 stts_entries[entries].count++; /* compress */
1188 stts_entries[entries].duration = duration;
1189 stts_entries[entries].count = 1;
1192 entries++; /* last one */
1194 atom_size = 16 + (entries * 8);
1195 avio_wb32(pb, atom_size); /* size */
1196 ffio_wfourcc(pb, "stts");
1197 avio_wb32(pb, 0); /* version & flags */
1198 avio_wb32(pb, entries); /* entry count */
1199 for (i=0; i<entries; i++) {
1200 avio_wb32(pb, stts_entries[i].count);
1201 avio_wb32(pb, stts_entries[i].duration);
1203 av_free(stts_entries);
1207 static int mov_write_dref_tag(AVIOContext *pb)
1209 avio_wb32(pb, 28); /* size */
1210 ffio_wfourcc(pb, "dref");
1211 avio_wb32(pb, 0); /* version & flags */
1212 avio_wb32(pb, 1); /* entry count */
1214 avio_wb32(pb, 0xc); /* size */
1215 //FIXME add the alis and rsrc atom
1216 ffio_wfourcc(pb, "url ");
1217 avio_wb32(pb, 1); /* version & flags */
1222 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1224 int64_t pos = avio_tell(pb);
1225 avio_wb32(pb, 0); /* size */
1226 ffio_wfourcc(pb, "stbl");
1227 mov_write_stsd_tag(pb, track);
1228 mov_write_stts_tag(pb, track);
1229 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1230 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1231 track->has_keyframes && track->has_keyframes < track->entry)
1232 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1233 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1234 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1235 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1236 track->flags & MOV_TRACK_CTTS)
1237 mov_write_ctts_tag(pb, track);
1238 mov_write_stsc_tag(pb, track);
1239 mov_write_stsz_tag(pb, track);
1240 mov_write_stco_tag(pb, track);
1241 return update_size(pb, pos);
1244 static int mov_write_dinf_tag(AVIOContext *pb)
1246 int64_t pos = avio_tell(pb);
1247 avio_wb32(pb, 0); /* size */
1248 ffio_wfourcc(pb, "dinf");
1249 mov_write_dref_tag(pb);
1250 return update_size(pb, pos);
1253 static int mov_write_nmhd_tag(AVIOContext *pb)
1256 ffio_wfourcc(pb, "nmhd");
1261 static int mov_write_gmhd_tag(AVIOContext *pb)
1263 avio_wb32(pb, 0x20); /* size */
1264 ffio_wfourcc(pb, "gmhd");
1265 avio_wb32(pb, 0x18); /* gmin size */
1266 ffio_wfourcc(pb, "gmin");/* generic media info */
1267 avio_wb32(pb, 0); /* version & flags */
1268 avio_wb16(pb, 0x40); /* graphics mode = */
1269 avio_wb16(pb, 0x8000); /* opColor (r?) */
1270 avio_wb16(pb, 0x8000); /* opColor (g?) */
1271 avio_wb16(pb, 0x8000); /* opColor (b?) */
1272 avio_wb16(pb, 0); /* balance */
1273 avio_wb16(pb, 0); /* reserved */
1277 static int mov_write_smhd_tag(AVIOContext *pb)
1279 avio_wb32(pb, 16); /* size */
1280 ffio_wfourcc(pb, "smhd");
1281 avio_wb32(pb, 0); /* version & flags */
1282 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1283 avio_wb16(pb, 0); /* reserved */
1287 static int mov_write_vmhd_tag(AVIOContext *pb)
1289 avio_wb32(pb, 0x14); /* size (always 0x14) */
1290 ffio_wfourcc(pb, "vmhd");
1291 avio_wb32(pb, 0x01); /* version & flags */
1292 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1296 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1298 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1299 int64_t pos = avio_tell(pb);
1301 if (!track) { /* no media --> data handler */
1304 descr = "DataHandler";
1306 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1307 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1309 descr = "VideoHandler";
1310 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1312 descr = "SoundHandler";
1313 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1314 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1315 else hdlr_type = "text";
1316 descr = "SubtitleHandler";
1317 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1319 descr = "HintHandler";
1323 descr = "DataHandler";
1327 avio_wb32(pb, 0); /* size */
1328 ffio_wfourcc(pb, "hdlr");
1329 avio_wb32(pb, 0); /* Version & flags */
1330 avio_write(pb, hdlr, 4); /* handler */
1331 ffio_wfourcc(pb, hdlr_type); /* handler type */
1332 avio_wb32(pb ,0); /* reserved */
1333 avio_wb32(pb ,0); /* reserved */
1334 avio_wb32(pb ,0); /* reserved */
1335 if (!track || track->mode == MODE_MOV)
1336 avio_w8(pb, strlen(descr)); /* pascal string */
1337 avio_write(pb, descr, strlen(descr)); /* handler description */
1338 if (track && track->mode != MODE_MOV)
1339 avio_w8(pb, 0); /* c string */
1340 return update_size(pb, pos);
1343 static int mov_write_hmhd_tag(AVIOContext *pb)
1345 /* This atom must be present, but leaving the values at zero
1346 * seems harmless. */
1347 avio_wb32(pb, 28); /* size */
1348 ffio_wfourcc(pb, "hmhd");
1349 avio_wb32(pb, 0); /* version, flags */
1350 avio_wb16(pb, 0); /* maxPDUsize */
1351 avio_wb16(pb, 0); /* avgPDUsize */
1352 avio_wb32(pb, 0); /* maxbitrate */
1353 avio_wb32(pb, 0); /* avgbitrate */
1354 avio_wb32(pb, 0); /* reserved */
1358 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1360 int64_t pos = avio_tell(pb);
1361 avio_wb32(pb, 0); /* size */
1362 ffio_wfourcc(pb, "minf");
1363 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1364 mov_write_vmhd_tag(pb);
1365 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1366 mov_write_smhd_tag(pb);
1367 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1368 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1369 else mov_write_nmhd_tag(pb);
1370 } else if (track->tag == MKTAG('r','t','p',' ')) {
1371 mov_write_hmhd_tag(pb);
1373 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1374 mov_write_hdlr_tag(pb, NULL);
1375 mov_write_dinf_tag(pb);
1376 mov_write_stbl_tag(pb, track);
1377 return update_size(pb, pos);
1380 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1382 int version = track->track_duration < INT32_MAX ? 0 : 1;
1384 if (track->mode == MODE_ISM)
1387 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1388 ffio_wfourcc(pb, "mdhd");
1389 avio_w8(pb, version);
1390 avio_wb24(pb, 0); /* flags */
1392 avio_wb64(pb, track->time);
1393 avio_wb64(pb, track->time);
1395 avio_wb32(pb, track->time); /* creation time */
1396 avio_wb32(pb, track->time); /* modification time */
1398 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1400 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1402 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1403 avio_wb16(pb, track->language); /* language */
1404 avio_wb16(pb, 0); /* reserved (quality) */
1406 if(version!=0 && track->mode == MODE_MOV){
1407 av_log(NULL, AV_LOG_ERROR,
1408 "FATAL error, file duration too long for timebase, this file will not be\n"
1409 "playable with quicktime. Choose a different timebase or a different\n"
1410 "container format\n");
1416 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1418 int64_t pos = avio_tell(pb);
1419 avio_wb32(pb, 0); /* size */
1420 ffio_wfourcc(pb, "mdia");
1421 mov_write_mdhd_tag(pb, track);
1422 mov_write_hdlr_tag(pb, track);
1423 mov_write_minf_tag(pb, track);
1424 return update_size(pb, pos);
1427 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1429 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1430 track->timescale, AV_ROUND_UP);
1431 int version = duration < INT32_MAX ? 0 : 1;
1433 if (track->mode == MODE_ISM)
1436 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1437 ffio_wfourcc(pb, "tkhd");
1438 avio_w8(pb, version);
1439 avio_wb24(pb, 0xf); /* flags (track enabled) */
1441 avio_wb64(pb, track->time);
1442 avio_wb64(pb, track->time);
1444 avio_wb32(pb, track->time); /* creation time */
1445 avio_wb32(pb, track->time); /* modification time */
1447 avio_wb32(pb, track->track_id); /* track-id */
1448 avio_wb32(pb, 0); /* reserved */
1450 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1452 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1454 avio_wb32(pb, 0); /* reserved */
1455 avio_wb32(pb, 0); /* reserved */
1456 avio_wb16(pb, 0); /* layer */
1457 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1458 /* Volume, only for audio */
1459 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1460 avio_wb16(pb, 0x0100);
1463 avio_wb16(pb, 0); /* reserved */
1465 /* Matrix structure */
1466 avio_wb32(pb, 0x00010000); /* reserved */
1467 avio_wb32(pb, 0x0); /* reserved */
1468 avio_wb32(pb, 0x0); /* reserved */
1469 avio_wb32(pb, 0x0); /* reserved */
1470 avio_wb32(pb, 0x00010000); /* reserved */
1471 avio_wb32(pb, 0x0); /* reserved */
1472 avio_wb32(pb, 0x0); /* reserved */
1473 avio_wb32(pb, 0x0); /* reserved */
1474 avio_wb32(pb, 0x40000000); /* reserved */
1476 /* Track width and height, for visual only */
1477 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1478 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1479 if(track->mode == MODE_MOV) {
1480 avio_wb32(pb, track->enc->width << 16);
1481 avio_wb32(pb, track->height << 16);
1483 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1484 if(!sample_aspect_ratio || track->height != track->enc->height)
1485 sample_aspect_ratio = 1;
1486 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1487 avio_wb32(pb, track->height*0x10000);
1497 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1499 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1500 track->enc->sample_aspect_ratio.den);
1502 int64_t pos = avio_tell(pb);
1504 avio_wb32(pb, 0); /* size */
1505 ffio_wfourcc(pb, "tapt");
1508 ffio_wfourcc(pb, "clef");
1510 avio_wb32(pb, width << 16);
1511 avio_wb32(pb, track->enc->height << 16);
1514 ffio_wfourcc(pb, "enof");
1516 avio_wb32(pb, track->enc->width << 16);
1517 avio_wb32(pb, track->enc->height << 16);
1519 return update_size(pb, pos);
1522 // This box seems important for the psp playback ... without it the movie seems to hang
1523 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1525 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1526 track->timescale, AV_ROUND_UP);
1527 int version = duration < INT32_MAX ? 0 : 1;
1528 int entry_size, entry_count, size;
1529 int64_t delay, start_ct = track->cluster[0].cts;
1530 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1531 track->timescale, AV_ROUND_DOWN);
1532 version |= delay < INT32_MAX ? 0 : 1;
1534 entry_size = (version == 1) ? 20 : 12;
1535 entry_count = 1 + (delay > 0);
1536 size = 24 + entry_count * entry_size;
1538 /* write the atom data */
1539 avio_wb32(pb, size);
1540 ffio_wfourcc(pb, "edts");
1541 avio_wb32(pb, size - 8);
1542 ffio_wfourcc(pb, "elst");
1543 avio_w8(pb, version);
1544 avio_wb24(pb, 0); /* flags */
1546 avio_wb32(pb, entry_count);
1547 if (delay > 0) { /* add an empty edit to delay presentation */
1549 avio_wb64(pb, delay);
1552 avio_wb32(pb, delay);
1555 avio_wb32(pb, 0x00010000);
1560 avio_wb64(pb, duration);
1561 avio_wb64(pb, start_ct);
1563 avio_wb32(pb, duration);
1564 avio_wb32(pb, start_ct);
1566 avio_wb32(pb, 0x00010000);
1570 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1572 avio_wb32(pb, 20); // size
1573 ffio_wfourcc(pb, "tref");
1574 avio_wb32(pb, 12); // size (subatom)
1575 avio_wl32(pb, track->tref_tag);
1576 avio_wb32(pb, track->tref_id);
1580 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1581 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1583 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1584 ffio_wfourcc(pb, "uuid");
1585 ffio_wfourcc(pb, "USMT");
1586 avio_wb32(pb, 0x21d24fce);
1587 avio_wb32(pb, 0xbb88695c);
1588 avio_wb32(pb, 0xfac9c740);
1589 avio_wb32(pb, 0x1c); // another size here!
1590 ffio_wfourcc(pb, "MTDT");
1591 avio_wb32(pb, 0x00010012);
1592 avio_wb32(pb, 0x0a);
1593 avio_wb32(pb, 0x55c40000);
1599 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1601 char buf[1000] = "";
1604 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1605 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1608 avio_wb32(pb, len + 24);
1609 ffio_wfourcc(pb, "udta");
1610 avio_wb32(pb, len + 16);
1611 ffio_wfourcc(pb, "hnti");
1612 avio_wb32(pb, len + 8);
1613 ffio_wfourcc(pb, "sdp ");
1614 avio_write(pb, buf, len);
1618 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1619 MOVTrack *track, AVStream *st)
1621 int64_t pos = avio_tell(pb);
1622 avio_wb32(pb, 0); /* size */
1623 ffio_wfourcc(pb, "trak");
1624 mov_write_tkhd_tag(pb, track, st);
1625 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1626 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1627 if (track->tref_tag)
1628 mov_write_tref_tag(pb, track);
1629 mov_write_mdia_tag(pb, track);
1630 if (track->mode == MODE_PSP)
1631 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1632 if (track->tag == MKTAG('r','t','p',' '))
1633 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1634 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1635 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1636 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1637 mov_write_tapt_tag(pb, track);
1639 return update_size(pb, pos);
1642 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1644 int i, has_audio = 0, has_video = 0;
1645 int64_t pos = avio_tell(pb);
1646 int audio_profile = mov->iods_audio_profile;
1647 int video_profile = mov->iods_video_profile;
1648 for (i = 0; i < mov->nb_streams; i++) {
1649 if(mov->tracks[i].entry > 0) {
1650 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1651 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1654 if (audio_profile < 0)
1655 audio_profile = 0xFF - has_audio;
1656 if (video_profile < 0)
1657 video_profile = 0xFF - has_video;
1658 avio_wb32(pb, 0x0); /* size */
1659 ffio_wfourcc(pb, "iods");
1660 avio_wb32(pb, 0); /* version & flags */
1661 put_descr(pb, 0x10, 7);
1662 avio_wb16(pb, 0x004f);
1665 avio_w8(pb, audio_profile);
1666 avio_w8(pb, video_profile);
1668 return update_size(pb, pos);
1671 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1673 avio_wb32(pb, 0x20); /* size */
1674 ffio_wfourcc(pb, "trex");
1675 avio_wb32(pb, 0); /* version & flags */
1676 avio_wb32(pb, track->track_id); /* track ID */
1677 avio_wb32(pb, 1); /* default sample description index */
1678 avio_wb32(pb, 0); /* default sample duration */
1679 avio_wb32(pb, 0); /* default sample size */
1680 avio_wb32(pb, 0); /* default sample flags */
1684 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1686 int64_t pos = avio_tell(pb);
1688 avio_wb32(pb, 0x0); /* size */
1689 ffio_wfourcc(pb, "mvex");
1690 for (i = 0; i < mov->nb_streams; i++)
1691 mov_write_trex_tag(pb, &mov->tracks[i]);
1692 return update_size(pb, pos);
1695 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1697 int max_track_id = 1, i;
1698 int64_t max_track_len_temp, max_track_len = 0;
1701 for (i=0; i<mov->nb_streams; i++) {
1702 if(mov->tracks[i].entry > 0) {
1703 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1705 mov->tracks[i].timescale,
1707 if (max_track_len < max_track_len_temp)
1708 max_track_len = max_track_len_temp;
1709 if (max_track_id < mov->tracks[i].track_id)
1710 max_track_id = mov->tracks[i].track_id;
1714 version = max_track_len < UINT32_MAX ? 0 : 1;
1715 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1716 ffio_wfourcc(pb, "mvhd");
1717 avio_w8(pb, version);
1718 avio_wb24(pb, 0); /* flags */
1720 avio_wb64(pb, mov->time);
1721 avio_wb64(pb, mov->time);
1723 avio_wb32(pb, mov->time); /* creation time */
1724 avio_wb32(pb, mov->time); /* modification time */
1726 avio_wb32(pb, MOV_TIMESCALE);
1727 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1729 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1730 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1731 avio_wb16(pb, 0); /* reserved */
1732 avio_wb32(pb, 0); /* reserved */
1733 avio_wb32(pb, 0); /* reserved */
1735 /* Matrix structure */
1736 avio_wb32(pb, 0x00010000); /* reserved */
1737 avio_wb32(pb, 0x0); /* reserved */
1738 avio_wb32(pb, 0x0); /* reserved */
1739 avio_wb32(pb, 0x0); /* reserved */
1740 avio_wb32(pb, 0x00010000); /* reserved */
1741 avio_wb32(pb, 0x0); /* reserved */
1742 avio_wb32(pb, 0x0); /* reserved */
1743 avio_wb32(pb, 0x0); /* reserved */
1744 avio_wb32(pb, 0x40000000); /* reserved */
1746 avio_wb32(pb, 0); /* reserved (preview time) */
1747 avio_wb32(pb, 0); /* reserved (preview duration) */
1748 avio_wb32(pb, 0); /* reserved (poster time) */
1749 avio_wb32(pb, 0); /* reserved (selection time) */
1750 avio_wb32(pb, 0); /* reserved (selection duration) */
1751 avio_wb32(pb, 0); /* reserved (current time) */
1752 avio_wb32(pb, max_track_id + 1); /* Next track id */
1756 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1759 avio_wb32(pb, 33); /* size */
1760 ffio_wfourcc(pb, "hdlr");
1763 ffio_wfourcc(pb, "mdir");
1764 ffio_wfourcc(pb, "appl");
1771 /* helper function to write a data tag with the specified string as data */
1772 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1775 int size = 16 + strlen(data);
1776 avio_wb32(pb, size); /* size */
1777 ffio_wfourcc(pb, "data");
1780 avio_write(pb, data, strlen(data));
1784 lang = ff_mov_iso639_to_lang("und", 1);
1785 avio_wb16(pb, strlen(data)); /* string length */
1786 avio_wb16(pb, lang);
1787 avio_write(pb, data, strlen(data));
1788 return strlen(data) + 4;
1792 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1794 if (value && value[0]) {
1795 int64_t pos = avio_tell(pb);
1796 avio_wb32(pb, 0); /* size */
1797 ffio_wfourcc(pb, name);
1798 mov_write_string_data_tag(pb, value, lang, long_style);
1799 size = update_size(pb, pos);
1804 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1805 const char *name, const char *tag,
1808 int l, lang = 0, len, len2;
1809 AVDictionaryEntry *t, *t2 = NULL;
1812 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1815 len = strlen(t->key);
1816 snprintf(tag2, sizeof(tag2), "%s-", tag);
1817 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1818 len2 = strlen(t2->key);
1819 if (len2 == len+4 && !strcmp(t->value, t2->value)
1820 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1825 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1828 /* iTunes track number */
1829 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1832 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1833 int size = 0, track = t ? atoi(t->value) : 0;
1835 avio_wb32(pb, 32); /* size */
1836 ffio_wfourcc(pb, "trkn");
1837 avio_wb32(pb, 24); /* size */
1838 ffio_wfourcc(pb, "data");
1839 avio_wb32(pb, 0); // 8 bytes empty
1841 avio_wb16(pb, 0); // empty
1842 avio_wb16(pb, track); // track number
1843 avio_wb16(pb, 0); // total track number
1844 avio_wb16(pb, 0); // empty
1850 /* iTunes meta data list */
1851 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1854 int64_t pos = avio_tell(pb);
1855 avio_wb32(pb, 0); /* size */
1856 ffio_wfourcc(pb, "ilst");
1857 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1858 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1859 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1860 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1861 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1862 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1863 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1864 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1865 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1866 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1867 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1868 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1869 mov_write_string_metadata(s, pb, "desc", "description",1);
1870 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1871 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1872 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1873 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1874 mov_write_trkn_tag(pb, mov, s);
1875 return update_size(pb, pos);
1878 /* iTunes meta data tag */
1879 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1883 int64_t pos = avio_tell(pb);
1884 avio_wb32(pb, 0); /* size */
1885 ffio_wfourcc(pb, "meta");
1887 mov_write_itunes_hdlr_tag(pb, mov, s);
1888 mov_write_ilst_tag(pb, mov, s);
1889 size = update_size(pb, pos);
1893 static int utf8len(const uint8_t *b)
1898 GET_UTF8(val, *b++, return -1;)
1904 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1908 GET_UTF8(val, *b++, return -1;)
1911 avio_wb16(pb, 0x00);
1915 static uint16_t language_code(const char *str)
1917 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1920 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1921 const char *tag, const char *str)
1923 int64_t pos = avio_tell(pb);
1924 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1925 if (!t || !utf8len(t->value))
1927 avio_wb32(pb, 0); /* size */
1928 ffio_wfourcc(pb, tag); /* type */
1929 avio_wb32(pb, 0); /* version + flags */
1930 if (!strcmp(tag, "yrrc"))
1931 avio_wb16(pb, atoi(t->value));
1933 avio_wb16(pb, language_code("eng")); /* language */
1934 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1935 if (!strcmp(tag, "albm") &&
1936 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1937 avio_w8(pb, atoi(t->value));
1939 return update_size(pb, pos);
1942 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1944 int64_t pos = avio_tell(pb);
1945 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1947 avio_wb32(pb, 0); // size
1948 ffio_wfourcc(pb, "chpl");
1949 avio_wb32(pb, 0x01000000); // version + flags
1950 avio_wb32(pb, 0); // unknown
1951 avio_w8(pb, nb_chapters);
1953 for (i = 0; i < nb_chapters; i++) {
1954 AVChapter *c = s->chapters[i];
1955 AVDictionaryEntry *t;
1956 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1958 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1959 int len = FFMIN(strlen(t->value), 255);
1961 avio_write(pb, t->value, len);
1965 return update_size(pb, pos);
1968 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1971 AVIOContext *pb_buf;
1975 for (i = 0; i < s->nb_streams; i++)
1976 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1980 ret = avio_open_dyn_buf(&pb_buf);
1984 if (mov->mode & MODE_3GP) {
1985 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1986 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1987 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1988 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1989 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1990 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1991 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1992 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1993 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1994 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1995 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1996 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1997 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1998 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1999 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2000 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2001 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2002 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2004 /* iTunes meta data */
2005 mov_write_meta_tag(pb_buf, mov, s);
2009 mov_write_chpl_tag(pb_buf, s);
2011 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2012 avio_wb32(pb, size+8);
2013 ffio_wfourcc(pb, "udta");
2014 avio_write(pb, buf, size);
2021 static void mov_write_psp_udta_tag(AVIOContext *pb,
2022 const char *str, const char *lang, int type)
2024 int len = utf8len(str)+1;
2027 avio_wb16(pb, len*2+10); /* size */
2028 avio_wb32(pb, type); /* type */
2029 avio_wb16(pb, language_code(lang)); /* language */
2030 avio_wb16(pb, 0x01); /* ? */
2031 ascii_to_wc(pb, str);
2034 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2036 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2040 pos = avio_tell(pb);
2041 avio_wb32(pb, 0); /* size placeholder*/
2042 ffio_wfourcc(pb, "uuid");
2043 ffio_wfourcc(pb, "USMT");
2044 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2045 avio_wb32(pb, 0xbb88695c);
2046 avio_wb32(pb, 0xfac9c740);
2048 pos2 = avio_tell(pb);
2049 avio_wb32(pb, 0); /* size placeholder*/
2050 ffio_wfourcc(pb, "MTDT");
2054 avio_wb16(pb, 0x0C); /* size */
2055 avio_wb32(pb, 0x0B); /* type */
2056 avio_wb16(pb, language_code("und")); /* language */
2057 avio_wb16(pb, 0x0); /* ? */
2058 avio_wb16(pb, 0x021C); /* data */
2060 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2061 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2062 // 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);
2063 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2065 update_size(pb, pos2);
2066 return update_size(pb, pos);
2072 static void build_chunks(MOVTrack *trk)
2075 MOVIentry *chunk= &trk->cluster[0];
2076 uint64_t chunkSize = chunk->size;
2078 if (trk->chunkCount)
2081 for(i=1; i<trk->entry; i++){
2082 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2083 chunkSize + trk->cluster[i].size < (1<<20)){
2084 chunkSize += trk->cluster[i].size;
2085 chunk->samples_in_chunk += trk->cluster[i].entries;
2087 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2088 chunk=&trk->cluster[i];
2089 chunkSize = chunk->size;
2095 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2099 int64_t pos = avio_tell(pb);
2100 avio_wb32(pb, 0); /* size placeholder*/
2101 ffio_wfourcc(pb, "moov");
2103 for (i=0; i<mov->nb_streams; i++) {
2104 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2107 mov->tracks[i].time = mov->time;
2108 mov->tracks[i].track_id = i+1;
2110 if (mov->tracks[i].entry)
2111 build_chunks(&mov->tracks[i]);
2114 if (mov->chapter_track)
2115 for (i=0; i<s->nb_streams; i++) {
2116 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2117 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2119 for (i = 0; i < mov->nb_streams; i++) {
2120 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2121 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2122 mov->tracks[i].tref_id =
2123 mov->tracks[mov->tracks[i].src_track].track_id;
2127 mov_write_mvhd_tag(pb, mov);
2128 if (mov->mode != MODE_MOV && !mov->iods_skip)
2129 mov_write_iods_tag(pb, mov);
2130 for (i=0; i<mov->nb_streams; i++) {
2131 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2132 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2135 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2136 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2138 if (mov->mode == MODE_PSP)
2139 mov_write_uuidusmt_tag(pb, s);
2141 mov_write_udta_tag(pb, mov, s);
2143 return update_size(pb, pos);
2146 static void param_write_int(AVIOContext *pb, const char *name, int value)
2148 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2151 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2153 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2156 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2159 len = FFMIN(sizeof(buf)/2 - 1, len);
2160 ff_data_to_hex(buf, value, len, 0);
2162 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2165 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2167 int64_t pos = avio_tell(pb);
2169 const uint8_t uuid[] = {
2170 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2171 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2175 ffio_wfourcc(pb, "uuid");
2176 avio_write(pb, uuid, sizeof(uuid));
2179 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2180 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2181 avio_printf(pb, "<head>\n");
2182 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2184 avio_printf(pb, "</head>\n");
2185 avio_printf(pb, "<body>\n");
2186 avio_printf(pb, "<switch>\n");
2187 for (i = 0; i < mov->nb_streams; i++) {
2188 MOVTrack *track = &mov->tracks[i];
2190 /* track->track_id is initialized in write_moov, and thus isn't known
2192 int track_id = i + 1;
2194 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2196 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2201 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2202 track->enc->bit_rate);
2203 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2204 param_write_int(pb, "trackID", track_id);
2205 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2206 if (track->enc->codec_id == CODEC_ID_H264) {
2208 int size = track->enc->extradata_size;
2209 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2211 param_write_hex(pb, "CodecPrivateData",
2212 ptr ? ptr : track->enc->extradata,
2216 param_write_string(pb, "FourCC", "H264");
2217 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2218 param_write_string(pb, "FourCC", "WVC1");
2219 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2220 track->enc->extradata_size);
2222 param_write_int(pb, "MaxWidth", track->enc->width);
2223 param_write_int(pb, "MaxHeight", track->enc->height);
2224 param_write_int(pb, "DisplayWidth", track->enc->width);
2225 param_write_int(pb, "DisplayHeight", track->enc->height);
2227 if (track->enc->codec_id == CODEC_ID_AAC) {
2228 param_write_string(pb, "FourCC", "AACL");
2229 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2230 param_write_string(pb, "FourCC", "WMAP");
2232 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2233 track->enc->extradata_size);
2234 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2235 track->enc->codec_id));
2236 param_write_int(pb, "Channels", track->enc->channels);
2237 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2238 param_write_int(pb, "BitsPerSample", 16);
2239 param_write_int(pb, "PacketSize", track->enc->block_align ?
2240 track->enc->block_align : 4);
2242 avio_printf(pb, "</%s>\n", type);
2244 avio_printf(pb, "</switch>\n");
2245 avio_printf(pb, "</body>\n");
2246 avio_printf(pb, "</smil>\n");
2248 return update_size(pb, pos);
2251 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2254 ffio_wfourcc(pb, "mfhd");
2256 avio_wb32(pb, mov->fragments);
2260 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2261 int64_t moof_offset)
2263 int64_t pos = avio_tell(pb);
2264 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2265 MOV_TFHD_BASE_DATA_OFFSET;
2266 if (!track->entry) {
2267 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2269 flags |= MOV_TFHD_DEFAULT_FLAGS;
2272 /* Don't set a default sample size, the silverlight player refuses
2273 * to play files with that set. Don't set a default sample duration,
2274 * WMP freaks out if it is set. */
2275 if (track->mode == MODE_ISM)
2276 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2278 avio_wb32(pb, 0); /* size placeholder */
2279 ffio_wfourcc(pb, "tfhd");
2280 avio_w8(pb, 0); /* version */
2281 avio_wb24(pb, flags);
2283 avio_wb32(pb, track->track_id); /* track-id */
2284 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2285 avio_wb64(pb, moof_offset);
2286 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2287 track->default_duration = get_cluster_duration(track, 0);
2288 avio_wb32(pb, track->default_duration);
2290 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2291 track->default_size = track->entry ? track->cluster[0].size : 1;
2292 avio_wb32(pb, track->default_size);
2294 track->default_size = -1;
2296 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2297 track->default_sample_flags =
2298 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2299 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2300 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2301 avio_wb32(pb, track->default_sample_flags);
2304 return update_size(pb, pos);
2307 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2309 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2310 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2313 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2315 int64_t pos = avio_tell(pb);
2316 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2319 for (i = 0; i < track->entry; i++) {
2320 if (get_cluster_duration(track, i) != track->default_duration)
2321 flags |= MOV_TRUN_SAMPLE_DURATION;
2322 if (track->cluster[i].size != track->default_size)
2323 flags |= MOV_TRUN_SAMPLE_SIZE;
2324 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2325 flags |= MOV_TRUN_SAMPLE_FLAGS;
2327 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2328 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2329 if (track->flags & MOV_TRACK_CTTS)
2330 flags |= MOV_TRUN_SAMPLE_CTS;
2332 avio_wb32(pb, 0); /* size placeholder */
2333 ffio_wfourcc(pb, "trun");
2334 avio_w8(pb, 0); /* version */
2335 avio_wb24(pb, flags);
2337 avio_wb32(pb, track->entry); /* sample count */
2338 track->moof_size_offset = avio_tell(pb);
2339 avio_wb32(pb, 0); /* data offset */
2340 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2341 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2343 for (i = 0; i < track->entry; i++) {
2344 if (flags & MOV_TRUN_SAMPLE_DURATION)
2345 avio_wb32(pb, get_cluster_duration(track, i));
2346 if (flags & MOV_TRUN_SAMPLE_SIZE)
2347 avio_wb32(pb, track->cluster[i].size);
2348 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2349 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2350 if (flags & MOV_TRUN_SAMPLE_CTS)
2351 avio_wb32(pb, track->cluster[i].cts);
2354 return update_size(pb, pos);
2357 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2359 int64_t pos = avio_tell(pb);
2360 const uint8_t uuid[] = {
2361 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2362 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2365 avio_wb32(pb, 0); /* size placeholder */
2366 ffio_wfourcc(pb, "uuid");
2367 avio_write(pb, uuid, sizeof(uuid));
2370 avio_wb64(pb, track->frag_start);
2371 avio_wb64(pb, track->start_dts + track->track_duration -
2372 track->cluster[0].dts);
2374 return update_size(pb, pos);
2377 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2378 MOVTrack *track, int entry)
2380 int n = track->nb_frag_info - 1 - entry, i;
2381 int size = 8 + 16 + 4 + 1 + 16*n;
2382 const uint8_t uuid[] = {
2383 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2384 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2390 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2391 avio_wb32(pb, size);
2392 ffio_wfourcc(pb, "uuid");
2393 avio_write(pb, uuid, sizeof(uuid));
2397 for (i = 0; i < n; i++) {
2398 int index = entry + 1 + i;
2399 avio_wb64(pb, track->frag_info[index].time);
2400 avio_wb64(pb, track->frag_info[index].duration);
2402 if (n < mov->ism_lookahead) {
2403 int free_size = 16*(mov->ism_lookahead - n);
2404 avio_wb32(pb, free_size);
2405 ffio_wfourcc(pb, "free");
2406 for (i = 0; i < free_size - 8; i++)
2413 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2416 int64_t pos = avio_tell(pb);
2418 for (i = 0; i < mov->ism_lookahead; i++) {
2419 /* Update the tfrf tag for the last ism_lookahead fragments,
2420 * nb_frag_info - 1 is the next fragment to be written. */
2421 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2423 avio_seek(pb, pos, SEEK_SET);
2427 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2428 MOVTrack *track, int64_t moof_offset)
2430 int64_t pos = avio_tell(pb);
2431 avio_wb32(pb, 0); /* size placeholder */
2432 ffio_wfourcc(pb, "traf");
2434 mov_write_tfhd_tag(pb, track, moof_offset);
2435 mov_write_trun_tag(pb, track);
2436 if (mov->mode == MODE_ISM) {
2437 mov_write_tfxd_tag(pb, track);
2439 if (mov->ism_lookahead) {
2440 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2442 track->tfrf_offset = avio_tell(pb);
2443 avio_wb32(pb, 8 + size);
2444 ffio_wfourcc(pb, "free");
2445 for (i = 0; i < size; i++)
2450 return update_size(pb, pos);
2453 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2455 int64_t pos = avio_tell(pb), end;
2458 avio_wb32(pb, 0); /* size placeholder */
2459 ffio_wfourcc(pb, "moof");
2461 mov_write_mfhd_tag(pb, mov);
2462 for (i = 0; i < mov->nb_streams; i++) {
2463 MOVTrack *track = &mov->tracks[i];
2464 if (tracks >= 0 && i != tracks)
2468 mov_write_traf_tag(pb, mov, track, pos);
2471 end = avio_tell(pb);
2472 moof_size = end - pos;
2473 for (i = 0; i < mov->nb_streams; i++) {
2474 MOVTrack *track = &mov->tracks[i];
2475 if (tracks >= 0 && i != tracks)
2479 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2480 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2482 avio_seek(pb, end, SEEK_SET);
2484 return update_size(pb, pos);
2487 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2489 int64_t pos = avio_tell(pb);
2492 avio_wb32(pb, 0); /* size placeholder */
2493 ffio_wfourcc(pb, "tfra");
2494 avio_w8(pb, 1); /* version */
2497 avio_wb32(pb, track->track_id);
2498 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2499 avio_wb32(pb, track->nb_frag_info);
2500 for (i = 0; i < track->nb_frag_info; i++) {
2501 avio_wb64(pb, track->frag_info[i].time);
2502 avio_wb64(pb, track->frag_info[i].offset);
2503 avio_w8(pb, 1); /* traf number */
2504 avio_w8(pb, 1); /* trun number */
2505 avio_w8(pb, 1); /* sample number */
2508 return update_size(pb, pos);
2511 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2513 int64_t pos = avio_tell(pb);
2516 avio_wb32(pb, 0); /* size placeholder */
2517 ffio_wfourcc(pb, "mfra");
2518 /* An empty mfra atom is enough to indicate to the publishing point that
2519 * the stream has ended. */
2520 if (mov->flags & FF_MOV_FLAG_ISML)
2521 return update_size(pb, pos);
2523 for (i = 0; i < mov->nb_streams; i++) {
2524 MOVTrack *track = &mov->tracks[i];
2525 if (track->nb_frag_info)
2526 mov_write_tfra_tag(pb, track);
2530 ffio_wfourcc(pb, "mfro");
2531 avio_wb32(pb, 0); /* version + flags */
2532 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2534 return update_size(pb, pos);
2537 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2539 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2540 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2542 mov->mdat_pos = avio_tell(pb);
2543 avio_wb32(pb, 0); /* size placeholder*/
2544 ffio_wfourcc(pb, "mdat");
2548 /* TODO: This needs to be more general */
2549 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2551 MOVMuxContext *mov = s->priv_data;
2552 int64_t pos = avio_tell(pb);
2553 int has_h264 = 0, has_video = 0;
2557 for (i = 0; i < s->nb_streams; i++) {
2558 AVStream *st = s->streams[i];
2559 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2561 if (st->codec->codec_id == CODEC_ID_H264)
2565 avio_wb32(pb, 0); /* size */
2566 ffio_wfourcc(pb, "ftyp");
2568 if (mov->mode == MODE_3GP) {
2569 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2570 minor = has_h264 ? 0x100 : 0x200;
2571 } else if (mov->mode & MODE_3G2) {
2572 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2573 minor = has_h264 ? 0x20000 : 0x10000;
2574 }else if (mov->mode == MODE_PSP)
2575 ffio_wfourcc(pb, "MSNV");
2576 else if (mov->mode == MODE_MP4)
2577 ffio_wfourcc(pb, "isom");
2578 else if (mov->mode == MODE_IPOD)
2579 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2580 else if (mov->mode == MODE_ISM)
2581 ffio_wfourcc(pb, "isml");
2583 ffio_wfourcc(pb, "qt ");
2585 avio_wb32(pb, minor);
2587 if(mov->mode == MODE_MOV)
2588 ffio_wfourcc(pb, "qt ");
2589 else if (mov->mode == MODE_ISM) {
2590 ffio_wfourcc(pb, "piff");
2591 ffio_wfourcc(pb, "iso2");
2593 ffio_wfourcc(pb, "isom");
2594 ffio_wfourcc(pb, "iso2");
2596 ffio_wfourcc(pb, "avc1");
2599 if (mov->mode == MODE_3GP)
2600 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2601 else if (mov->mode & MODE_3G2)
2602 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2603 else if (mov->mode == MODE_PSP)
2604 ffio_wfourcc(pb, "MSNV");
2605 else if (mov->mode == MODE_MP4)
2606 ffio_wfourcc(pb, "mp41");
2607 return update_size(pb, pos);
2610 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2612 AVCodecContext *video_codec = s->streams[0]->codec;
2613 AVCodecContext *audio_codec = s->streams[1]->codec;
2614 int audio_rate = audio_codec->sample_rate;
2615 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2616 int audio_kbitrate = audio_codec->bit_rate / 1000;
2617 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2619 avio_wb32(pb, 0x94); /* size */
2620 ffio_wfourcc(pb, "uuid");
2621 ffio_wfourcc(pb, "PROF");
2623 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2624 avio_wb32(pb, 0xbb88695c);
2625 avio_wb32(pb, 0xfac9c740);
2627 avio_wb32(pb, 0x0); /* ? */
2628 avio_wb32(pb, 0x3); /* 3 sections ? */
2630 avio_wb32(pb, 0x14); /* size */
2631 ffio_wfourcc(pb, "FPRF");
2632 avio_wb32(pb, 0x0); /* ? */
2633 avio_wb32(pb, 0x0); /* ? */
2634 avio_wb32(pb, 0x0); /* ? */
2636 avio_wb32(pb, 0x2c); /* size */
2637 ffio_wfourcc(pb, "APRF");/* audio */
2639 avio_wb32(pb, 0x2); /* TrackID */
2640 ffio_wfourcc(pb, "mp4a");
2641 avio_wb32(pb, 0x20f);
2643 avio_wb32(pb, audio_kbitrate);
2644 avio_wb32(pb, audio_kbitrate);
2645 avio_wb32(pb, audio_rate);
2646 avio_wb32(pb, audio_codec->channels);
2648 avio_wb32(pb, 0x34); /* size */
2649 ffio_wfourcc(pb, "VPRF"); /* video */
2651 avio_wb32(pb, 0x1); /* TrackID */
2652 if (video_codec->codec_id == CODEC_ID_H264) {
2653 ffio_wfourcc(pb, "avc1");
2654 avio_wb16(pb, 0x014D);
2655 avio_wb16(pb, 0x0015);
2657 ffio_wfourcc(pb, "mp4v");
2658 avio_wb16(pb, 0x0000);
2659 avio_wb16(pb, 0x0103);
2662 avio_wb32(pb, video_kbitrate);
2663 avio_wb32(pb, video_kbitrate);
2664 avio_wb32(pb, frame_rate);
2665 avio_wb32(pb, frame_rate);
2666 avio_wb16(pb, video_codec->width);
2667 avio_wb16(pb, video_codec->height);
2668 avio_wb32(pb, 0x010001); /* ? */
2671 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2674 int i, closed_gop = 0;
2676 for (i = 0; i < pkt->size - 4; i++) {
2677 c = (c<<8) + pkt->data[i];
2678 if (c == 0x1b8) { // gop
2679 closed_gop = pkt->data[i+4]>>6 & 0x01;
2680 } else if (c == 0x100) { // pic
2681 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2682 if (!temp_ref || closed_gop) // I picture is not reordered
2683 *flags = MOV_SYNC_SAMPLE;
2685 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2692 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2694 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2695 int seq = 0, entry = 0;
2696 int key = pkt->flags & AV_PKT_FLAG_KEY;
2697 start = find_next_marker(pkt->data, end);
2698 for (next = start; next < end; start = next) {
2699 next = find_next_marker(start + 4, end);
2700 switch (AV_RB32(start)) {
2701 case VC1_CODE_SEQHDR:
2704 case VC1_CODE_ENTRYPOINT:
2707 case VC1_CODE_SLICE:
2708 trk->vc1_info.slices = 1;
2712 if (!trk->entry && !fragment) {
2713 /* First packet in first fragment */
2714 trk->vc1_info.first_packet_seq = seq;
2715 trk->vc1_info.first_packet_entry = entry;
2716 } else if ((seq && !trk->vc1_info.packet_seq) ||
2717 (entry && !trk->vc1_info.packet_entry)) {
2719 for (i = 0; i < trk->entry; i++)
2720 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2721 trk->has_keyframes = 0;
2723 trk->vc1_info.packet_seq = 1;
2725 trk->vc1_info.packet_entry = 1;
2727 /* First fragment */
2728 if ((!seq || trk->vc1_info.first_packet_seq) &&
2729 (!entry || trk->vc1_info.first_packet_entry)) {
2730 /* First packet had the same headers as this one, readd the
2731 * sync sample flag. */
2732 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2733 trk->has_keyframes = 1;
2737 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2739 else if (trk->vc1_info.packet_seq)
2741 else if (trk->vc1_info.packet_entry)
2744 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2745 trk->has_keyframes++;
2749 static int mov_flush_fragment(AVFormatContext *s)
2751 MOVMuxContext *mov = s->priv_data;
2752 int i, first_track = -1;
2753 int64_t mdat_size = 0;
2755 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2758 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2759 int64_t pos = avio_tell(s->pb);
2761 AVIOContext *moov_buf;
2765 for (i = 0; i < mov->nb_streams; i++)
2766 if (!mov->tracks[i].entry)
2768 /* Don't write the initial moov unless all tracks have data */
2769 if (i < mov->nb_streams)
2772 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2774 mov_write_moov_tag(moov_buf, mov, s);
2775 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2777 for (i = 0; i < mov->nb_streams; i++)
2778 mov->tracks[i].data_offset = pos + buf_size + 8;
2780 mov_write_moov_tag(s->pb, mov, s);
2782 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2783 mov->mdat_buf = NULL;
2784 avio_wb32(s->pb, buf_size + 8);
2785 ffio_wfourcc(s->pb, "mdat");
2786 avio_write(s->pb, buf, buf_size);
2791 for (i = 0; i < mov->nb_streams; i++) {
2792 if (mov->tracks[i].entry)
2793 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2794 mov->tracks[i].track_duration -
2795 mov->tracks[i].cluster[0].dts;
2796 mov->tracks[i].entry = 0;
2802 for (i = 0; i < mov->nb_streams; i++) {
2803 MOVTrack *track = &mov->tracks[i];
2804 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2805 track->data_offset = 0;
2807 track->data_offset = mdat_size;
2808 if (!track->mdat_buf)
2810 mdat_size += avio_tell(track->mdat_buf);
2811 if (first_track < 0)
2818 for (i = 0; i < mov->nb_streams; i++) {
2819 MOVTrack *track = &mov->tracks[i];
2820 int buf_size, write_moof = 1, moof_tracks = -1;
2822 int64_t duration = 0;
2825 duration = track->start_dts + track->track_duration -
2826 track->cluster[0].dts;
2827 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2828 if (!track->mdat_buf)
2830 mdat_size = avio_tell(track->mdat_buf);
2833 write_moof = i == first_track;
2837 MOVFragmentInfo *info;
2839 track->nb_frag_info++;
2840 track->frag_info = av_realloc(track->frag_info,
2841 sizeof(*track->frag_info) *
2842 track->nb_frag_info);
2843 info = &track->frag_info[track->nb_frag_info - 1];
2844 info->offset = avio_tell(s->pb);
2845 info->time = mov->tracks[i].frag_start;
2846 info->duration = duration;
2847 mov_write_tfrf_tags(s->pb, mov, track);
2849 mov_write_moof_tag(s->pb, mov, moof_tracks);
2850 info->tfrf_offset = track->tfrf_offset;
2853 avio_wb32(s->pb, mdat_size + 8);
2854 ffio_wfourcc(s->pb, "mdat");
2858 track->frag_start += duration;
2860 if (!track->mdat_buf)
2862 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2863 track->mdat_buf = NULL;
2865 avio_write(s->pb, buf, buf_size);
2875 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2877 MOVMuxContext *mov = s->priv_data;
2878 AVIOContext *pb = s->pb;
2879 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2880 AVCodecContext *enc = trk->enc;
2881 unsigned int samples_in_chunk = 0;
2882 int size= pkt->size;
2883 uint8_t *reformatted_data = NULL;
2885 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2887 if (mov->fragments > 0) {
2888 if (!trk->mdat_buf) {
2889 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2894 if (!mov->mdat_buf) {
2895 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2902 if (enc->codec_id == CODEC_ID_AMR_NB) {
2903 /* We must find out how many AMR blocks there are in one packet */
2904 static uint16_t packed_size[16] =
2905 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2908 while (len < size && samples_in_chunk < 100) {
2909 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2912 if (samples_in_chunk > 1) {
2913 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2916 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2917 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2918 samples_in_chunk = enc->frame_size;
2919 } else if (trk->sample_size)
2920 samples_in_chunk = size / trk->sample_size;
2922 samples_in_chunk = 1;
2924 /* copy extradata if it exists */
2925 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2926 trk->vos_len = enc->extradata_size;
2927 trk->vos_data = av_malloc(trk->vos_len);
2928 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2931 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2932 /* from x264 or from bytestream h264 */
2933 /* nal reformating needed */
2934 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2935 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2937 avio_write(pb, reformatted_data, size);
2939 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2941 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2942 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2943 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2946 avio_write(pb, pkt->data, size);
2949 if ((enc->codec_id == CODEC_ID_DNXHD ||
2950 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2951 /* copy frame to create needed atoms */
2952 trk->vos_len = size;
2953 trk->vos_data = av_malloc(size);
2955 return AVERROR(ENOMEM);
2956 memcpy(trk->vos_data, pkt->data, size);
2959 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2960 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2965 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2966 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2967 trk->cluster[trk->entry].chunkNum = 0;
2968 trk->cluster[trk->entry].size = size;
2969 trk->cluster[trk->entry].entries = samples_in_chunk;
2970 trk->cluster[trk->entry].dts = pkt->dts;
2971 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2972 /* First packet of a new fragment. We already wrote the duration
2973 * of the last packet of the previous fragment based on track_duration,
2974 * which might not exactly match our dts. Therefore adjust the dts
2975 * of this packet to be what the previous packets duration implies. */
2976 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2978 if (trk->start_dts == AV_NOPTS_VALUE)
2979 trk->start_dts = pkt->dts;
2980 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2982 if (pkt->pts == AV_NOPTS_VALUE) {
2983 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2984 pkt->pts = pkt->dts;
2986 if (pkt->dts != pkt->pts)
2987 trk->flags |= MOV_TRACK_CTTS;
2988 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2989 trk->cluster[trk->entry].flags = 0;
2990 if (enc->codec_id == CODEC_ID_VC1) {
2991 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2992 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2993 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2994 trk->entry > 0) { // force sync sample for the first key frame
2995 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2996 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2997 trk->flags |= MOV_TRACK_STPS;
2999 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3001 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3002 trk->has_keyframes++;
3005 trk->sample_count += samples_in_chunk;
3006 mov->mdat_size += size;
3010 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3011 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3012 reformatted_data, size);
3013 av_free(reformatted_data);
3017 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3020 mov_flush_fragment(s);
3023 MOVMuxContext *mov = s->priv_data;
3024 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3025 AVCodecContext *enc = trk->enc;
3026 int64_t frag_duration = 0;
3027 int size = pkt->size;
3029 if (!pkt->size) return 0; /* Discard 0 sized packets */
3031 if (trk->entry && pkt->stream_index < s->nb_streams)
3032 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3033 s->streams[pkt->stream_index]->time_base,
3035 if ((mov->max_fragment_duration &&
3036 frag_duration >= mov->max_fragment_duration) ||
3037 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3038 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3039 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3040 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3041 if (frag_duration >= mov->min_fragment_duration)
3042 mov_flush_fragment(s);
3045 return ff_mov_write_packet(s, pkt);
3049 // QuickTime chapters involve an additional text track with the chapter names
3050 // as samples, and a tref pointing from the other tracks to the chapter one.
3051 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3053 MOVMuxContext *mov = s->priv_data;
3054 MOVTrack *track = &mov->tracks[tracknum];
3055 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3058 track->mode = mov->mode;
3059 track->tag = MKTAG('t','e','x','t');
3060 track->timescale = MOV_TIMESCALE;
3061 track->enc = avcodec_alloc_context3(NULL);
3062 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3064 for (i = 0; i < s->nb_chapters; i++) {
3065 AVChapter *c = s->chapters[i];
3066 AVDictionaryEntry *t;
3068 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3069 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3070 pkt.duration = end - pkt.dts;
3072 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3073 len = strlen(t->value);
3075 pkt.data = av_malloc(pkt.size);
3076 AV_WB16(pkt.data, len);
3077 memcpy(pkt.data+2, t->value, len);
3078 ff_mov_write_packet(s, &pkt);
3079 av_freep(&pkt.data);
3084 static int mov_write_header(AVFormatContext *s)
3086 AVIOContext *pb = s->pb;
3087 MOVMuxContext *mov = s->priv_data;
3088 AVDictionaryEntry *t;
3089 int i, hint_track = 0;
3091 /* Set the FRAGMENT flag if any of the fragmentation methods are
3093 if (mov->max_fragment_duration || mov->max_fragment_size ||
3094 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3095 FF_MOV_FLAG_FRAG_KEYFRAME |
3096 FF_MOV_FLAG_FRAG_CUSTOM))
3097 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3099 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3100 * is enabled, we don't support non-seekable output at all. */
3101 if (!s->pb->seekable &&
3102 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3103 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3104 || mov->ism_lookahead)) {
3105 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3109 /* Default mode == MP4 */
3110 mov->mode = MODE_MP4;
3112 if (s->oformat != NULL) {
3113 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3114 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3115 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3116 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3117 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3118 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3120 mov_write_ftyp_tag(pb,s);
3121 if (mov->mode == MODE_PSP) {
3122 if (s->nb_streams != 2) {
3123 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3126 mov_write_uuidprof_tag(pb,s);
3130 mov->nb_streams = s->nb_streams;
3131 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3132 mov->chapter_track = mov->nb_streams++;
3134 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3135 /* Add hint tracks for each audio and video stream */
3136 hint_track = mov->nb_streams;
3137 for (i = 0; i < s->nb_streams; i++) {
3138 AVStream *st = s->streams[i];
3139 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3140 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3146 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3148 return AVERROR(ENOMEM);
3150 for(i=0; i<s->nb_streams; i++){
3151 AVStream *st= s->streams[i];
3152 MOVTrack *track= &mov->tracks[i];
3153 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3155 track->enc = st->codec;
3156 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3157 if (track->language < 0)
3158 track->language = 0;
3159 track->mode = mov->mode;
3160 track->tag = mov_find_codec_tag(s, track);
3162 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3163 "codec not currently supported in container\n", i);
3166 /* If hinting of this track is enabled by a later hint track,
3167 * this is updated. */
3168 track->hint_track = -1;
3169 track->start_dts = AV_NOPTS_VALUE;
3170 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3171 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3172 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3173 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3174 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3175 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3178 track->height = track->tag>>24 == 'n' ? 486 : 576;
3180 track->timescale = st->codec->time_base.den;
3181 if (track->mode == MODE_MOV && track->timescale > 100000)
3182 av_log(s, AV_LOG_WARNING,
3183 "WARNING codec timebase is very high. If duration is too long,\n"
3184 "file may not be playable by quicktime. Specify a shorter timebase\n"
3185 "or choose different container.\n");
3186 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3187 track->timescale = st->codec->sample_rate;
3188 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3189 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3190 track->audio_vbr = 1;
3191 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3192 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3193 if (!st->codec->block_align) {
3194 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3197 track->sample_size = st->codec->block_align;
3198 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3199 track->audio_vbr = 1;
3201 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3203 if (track->mode != MODE_MOV &&
3204 track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3205 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3206 i, track->enc->sample_rate);
3209 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3210 track->timescale = st->codec->time_base.den;
3212 track->timescale = MOV_TIMESCALE;
3215 track->height = st->codec->height;
3216 /* The ism specific timescale isn't mandatory, but is assumed by
3217 * some tools, such as mp4split. */
3218 if (mov->mode == MODE_ISM)
3219 track->timescale = 10000000;
3221 avpriv_set_pts_info(st, 64, 1, track->timescale);
3223 /* copy extradata if it exists */
3224 if (st->codec->extradata_size) {
3225 track->vos_len = st->codec->extradata_size;
3226 track->vos_data = av_malloc(track->vos_len);
3227 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3231 if (mov->mode == MODE_ISM) {
3232 /* If no fragmentation options have been set, set a default. */
3233 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3234 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3235 !mov->max_fragment_duration && !mov->max_fragment_size)
3236 mov->max_fragment_duration = 5000000;
3237 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3238 FF_MOV_FLAG_FRAGMENT;
3241 if(mov->reserved_moov_size){
3242 mov->reserved_moov_pos= avio_tell(pb);
3243 avio_skip(pb, mov->reserved_moov_size);
3246 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3247 mov_write_mdat_tag(pb, mov);
3249 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3250 mov->time = ff_iso8601_to_unix_time(t->value);
3252 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3254 if (mov->chapter_track)
3255 mov_create_chapter_track(s, mov->chapter_track);
3257 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3258 /* Initialize the hint tracks for each audio and video stream */
3259 for (i = 0; i < s->nb_streams; i++) {
3260 AVStream *st = s->streams[i];
3261 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3262 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3263 ff_mov_init_hinting(s, hint_track, i);
3271 if (mov->flags & FF_MOV_FLAG_ISML)
3272 mov_write_isml_manifest(pb, mov);
3274 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3275 mov_write_moov_tag(pb, mov, s);
3281 av_freep(&mov->tracks);
3285 static int mov_write_trailer(AVFormatContext *s)
3287 MOVMuxContext *mov = s->priv_data;
3288 AVIOContext *pb = s->pb;
3292 int64_t moov_pos = avio_tell(pb);
3294 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3295 /* Write size of mdat tag */
3296 if (mov->mdat_size + 8 <= UINT32_MAX) {
3297 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3298 avio_wb32(pb, mov->mdat_size + 8);
3300 /* overwrite 'wide' placeholder atom */
3301 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3302 /* special value: real atom size will be 64 bit value after
3305 ffio_wfourcc(pb, "mdat");
3306 avio_wb64(pb, mov->mdat_size + 16);
3308 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3310 mov_write_moov_tag(pb, mov, s);
3311 if(mov->reserved_moov_size){
3312 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3314 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3317 avio_wb32(pb, size);
3318 ffio_wfourcc(pb, "free");
3319 for(i=0; i<size; i++)
3321 avio_seek(pb, moov_pos, SEEK_SET);
3324 mov_flush_fragment(s);
3325 mov_write_mfra_tag(pb, mov);
3328 if (mov->chapter_track)
3329 av_freep(&mov->tracks[mov->chapter_track].enc);
3331 for (i=0; i<mov->nb_streams; i++) {
3332 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3333 ff_mov_close_hinting(&mov->tracks[i]);
3334 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3335 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3336 int64_t off = avio_tell(pb);
3338 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3339 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3340 avio_write(pb, buf, 7);
3341 avio_seek(pb, off, SEEK_SET);
3344 av_freep(&mov->tracks[i].cluster);
3345 av_freep(&mov->tracks[i].frag_info);
3347 if (mov->tracks[i].vos_len)
3348 av_free(mov->tracks[i].vos_data);
3354 av_freep(&mov->tracks);
3359 #if CONFIG_MOV_MUXER
3361 AVOutputFormat ff_mov_muxer = {
3363 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3364 .extensions = "mov",
3365 .priv_data_size = sizeof(MOVMuxContext),
3366 .audio_codec = CODEC_ID_AAC,
3367 #if CONFIG_LIBX264_ENCODER
3368 .video_codec = CODEC_ID_H264,
3370 .video_codec = CODEC_ID_MPEG4,
3372 .write_header = mov_write_header,
3373 .write_packet = mov_write_packet,
3374 .write_trailer = mov_write_trailer,
3375 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3376 .codec_tag = (const AVCodecTag* const []){
3377 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3379 .priv_class = &mov_muxer_class,
3382 #if CONFIG_TGP_MUXER
3384 AVOutputFormat ff_tgp_muxer = {
3386 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3387 .extensions = "3gp",
3388 .priv_data_size = sizeof(MOVMuxContext),
3389 .audio_codec = CODEC_ID_AMR_NB,
3390 .video_codec = CODEC_ID_H263,
3391 .write_header = mov_write_header,
3392 .write_packet = mov_write_packet,
3393 .write_trailer = mov_write_trailer,
3394 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3395 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3396 .priv_class = &tgp_muxer_class,
3399 #if CONFIG_MP4_MUXER
3401 AVOutputFormat ff_mp4_muxer = {
3403 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3404 .mime_type = "application/mp4",
3405 .extensions = "mp4",
3406 .priv_data_size = sizeof(MOVMuxContext),
3407 .audio_codec = CODEC_ID_AAC,
3408 #if CONFIG_LIBX264_ENCODER
3409 .video_codec = CODEC_ID_H264,
3411 .video_codec = CODEC_ID_MPEG4,
3413 .write_header = mov_write_header,
3414 .write_packet = mov_write_packet,
3415 .write_trailer = mov_write_trailer,
3416 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3417 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3418 .priv_class = &mp4_muxer_class,
3421 #if CONFIG_PSP_MUXER
3423 AVOutputFormat ff_psp_muxer = {
3425 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3426 .extensions = "mp4,psp",
3427 .priv_data_size = sizeof(MOVMuxContext),
3428 .audio_codec = CODEC_ID_AAC,
3429 #if CONFIG_LIBX264_ENCODER
3430 .video_codec = CODEC_ID_H264,
3432 .video_codec = CODEC_ID_MPEG4,
3434 .write_header = mov_write_header,
3435 .write_packet = mov_write_packet,
3436 .write_trailer = mov_write_trailer,
3437 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3438 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3439 .priv_class = &psp_muxer_class,
3442 #if CONFIG_TG2_MUXER
3444 AVOutputFormat ff_tg2_muxer = {
3446 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3447 .extensions = "3g2",
3448 .priv_data_size = sizeof(MOVMuxContext),
3449 .audio_codec = CODEC_ID_AMR_NB,
3450 .video_codec = CODEC_ID_H263,
3451 .write_header = mov_write_header,
3452 .write_packet = mov_write_packet,
3453 .write_trailer = mov_write_trailer,
3454 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3455 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3456 .priv_class = &tg2_muxer_class,
3459 #if CONFIG_IPOD_MUXER
3461 AVOutputFormat ff_ipod_muxer = {
3463 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3464 .mime_type = "application/mp4",
3465 .extensions = "m4v,m4a",
3466 .priv_data_size = sizeof(MOVMuxContext),
3467 .audio_codec = CODEC_ID_AAC,
3468 .video_codec = CODEC_ID_H264,
3469 .write_header = mov_write_header,
3470 .write_packet = mov_write_packet,
3471 .write_trailer = mov_write_trailer,
3472 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3473 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3474 .priv_class = &ipod_muxer_class,
3477 #if CONFIG_ISMV_MUXER
3479 AVOutputFormat ff_ismv_muxer = {
3481 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3482 .mime_type = "application/mp4",
3483 .extensions = "ismv,isma",
3484 .priv_data_size = sizeof(MOVMuxContext),
3485 .audio_codec = CODEC_ID_AAC,
3486 .video_codec = CODEC_ID_H264,
3487 .write_header = mov_write_header,
3488 .write_packet = mov_write_packet,
3489 .write_trailer = mov_write_trailer,
3490 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3491 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3492 .priv_class = &ismv_muxer_class,