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_ac3_tag(pb, track);
426 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
427 mov_write_extradata_tag(pb, track);
428 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
429 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
430 mov_write_ms_tag(pb, track);
433 avio_wb32(pb, 8); /* size */
434 avio_wb32(pb, 0); /* null tag */
436 return update_size(pb, pos);
439 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
442 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
443 int unescaped_size, seq_found = 0;
444 int level = 0, interlace = 0;
445 int packet_seq = track->vc1_info.packet_seq;
446 int packet_entry = track->vc1_info.packet_entry;
447 int slices = track->vc1_info.slices;
450 if (track->start_dts == AV_NOPTS_VALUE) {
451 /* No packets written yet, vc1_info isn't authoritative yet. */
452 /* Assume inline sequence and entry headers. This will be
453 * overwritten at the end if the file is seekable. */
454 packet_seq = packet_entry = 1;
457 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
459 return AVERROR(ENOMEM);
460 start = find_next_marker(track->vos_data, end);
461 for (next = start; next < end; start = next) {
464 next = find_next_marker(start + 4, end);
465 size = next - start - 4;
468 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
469 init_get_bits(&gb, unescaped, 8 * unescaped_size);
470 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
471 int profile = get_bits(&gb, 2);
472 if (profile != PROFILE_ADVANCED) {
474 return AVERROR(ENOSYS);
477 level = get_bits(&gb, 3);
478 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
480 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
481 skip_bits(&gb, 1); /* broadcast */
482 interlace = get_bits1(&gb);
483 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
488 return AVERROR(ENOSYS);
491 init_put_bits(&pbc, buf, 7);
492 /* VC1DecSpecStruc */
493 put_bits(&pbc, 4, 12); /* profile - advanced */
494 put_bits(&pbc, 3, level);
495 put_bits(&pbc, 1, 0); /* reserved */
496 /* VC1AdvDecSpecStruc */
497 put_bits(&pbc, 3, level);
498 put_bits(&pbc, 1, 0); /* cbr */
499 put_bits(&pbc, 6, 0); /* reserved */
500 put_bits(&pbc, 1, !interlace); /* no interlace */
501 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
502 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
503 put_bits(&pbc, 1, !slices); /* no slice code */
504 put_bits(&pbc, 1, 0); /* no bframe */
505 put_bits(&pbc, 1, 0); /* reserved */
506 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
507 flush_put_bits(&pbc);
514 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
516 uint8_t buf[7] = { 0 };
519 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
522 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
523 ffio_wfourcc(pb, "dvc1");
524 track->vc1_info.struct_offset = avio_tell(pb);
525 avio_write(pb, buf, sizeof(buf));
526 avio_write(pb, track->vos_data, track->vos_len);
531 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
533 avio_wb32(pb, track->vos_len + 8);
534 ffio_wfourcc(pb, "glbl");
535 avio_write(pb, track->vos_data, track->vos_len);
536 return 8 + track->vos_len;
540 * Compute flags for 'lpcm' tag.
541 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
543 static int mov_get_lpcm_flags(enum CodecID codec_id)
546 case CODEC_ID_PCM_F32BE:
547 case CODEC_ID_PCM_F64BE:
549 case CODEC_ID_PCM_F32LE:
550 case CODEC_ID_PCM_F64LE:
552 case CODEC_ID_PCM_U8:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_S24BE:
556 case CODEC_ID_PCM_S32BE:
558 case CODEC_ID_PCM_S8:
559 case CODEC_ID_PCM_S16LE:
560 case CODEC_ID_PCM_S24LE:
561 case CODEC_ID_PCM_S32LE:
568 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
572 if (cluster_idx >= track->entry)
575 if (cluster_idx + 1 == track->entry)
576 next_dts = track->track_duration + track->start_dts;
578 next_dts = track->cluster[cluster_idx + 1].dts;
580 return next_dts - track->cluster[cluster_idx].dts;
583 static int get_samples_per_packet(MOVTrack *track)
585 int i, first_duration;
587 // return track->enc->frame_size;
589 /* use 1 for raw PCM */
590 if (!track->audio_vbr)
593 /* check to see if duration is constant for all clusters */
596 first_duration = get_cluster_duration(track, 0);
597 for (i = 1; i < track->entry; i++) {
598 if (get_cluster_duration(track, i) != first_duration)
601 return first_duration;
604 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
606 int64_t pos = avio_tell(pb);
608 uint32_t tag = track->tag;
610 if (track->mode == MODE_MOV) {
611 if (track->timescale > UINT16_MAX) {
612 if (mov_get_lpcm_flags(track->enc->codec_id))
613 tag = AV_RL32("lpcm");
615 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
616 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
617 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
622 avio_wb32(pb, 0); /* size */
623 avio_wl32(pb, tag); // store it byteswapped
624 avio_wb32(pb, 0); /* Reserved */
625 avio_wb16(pb, 0); /* Reserved */
626 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
628 /* SoundDescription */
629 avio_wb16(pb, version); /* Version */
630 avio_wb16(pb, 0); /* Revision level */
631 avio_wb32(pb, 0); /* Reserved */
636 avio_wb16(pb, 0xfffe);
638 avio_wb32(pb, 0x00010000);
640 avio_wb64(pb, av_double2int(track->enc->sample_rate));
641 avio_wb32(pb, track->enc->channels);
642 avio_wb32(pb, 0x7F000000);
643 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
644 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
645 avio_wb32(pb, track->sample_size);
646 avio_wb32(pb, get_samples_per_packet(track));
648 if (track->mode == MODE_MOV) {
649 avio_wb16(pb, track->enc->channels);
650 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
651 track->enc->codec_id == CODEC_ID_PCM_S8)
652 avio_wb16(pb, 8); /* bits per sample */
655 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
656 } else { /* reserved for mp4/3gp */
662 avio_wb16(pb, 0); /* packet size (= 0) */
663 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
664 track->enc->sample_rate : 0);
665 avio_wb16(pb, 0); /* Reserved */
668 if(version == 1) { /* SoundDescription V1 extended info */
669 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
670 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
671 avio_wb32(pb, track->sample_size); /* Bytes per frame */
672 avio_wb32(pb, 2); /* Bytes per sample */
675 if(track->mode == MODE_MOV &&
676 (track->enc->codec_id == CODEC_ID_AAC ||
677 track->enc->codec_id == CODEC_ID_AC3 ||
678 track->enc->codec_id == CODEC_ID_AMR_NB ||
679 track->enc->codec_id == CODEC_ID_ALAC ||
680 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
681 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
682 (mov_pcm_le_gt16(track->enc->codec_id) && version==1)))
683 mov_write_wave_tag(pb, track);
684 else if(track->tag == MKTAG('m','p','4','a'))
685 mov_write_esds_tag(pb, track);
686 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
687 mov_write_amr_tag(pb, track);
688 else if(track->enc->codec_id == CODEC_ID_AC3)
689 mov_write_ac3_tag(pb, track);
690 else if(track->enc->codec_id == CODEC_ID_ALAC)
691 mov_write_extradata_tag(pb, track);
692 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
693 mov_write_wfex_tag(pb, track);
694 else if (track->vos_len > 0)
695 mov_write_glbl_tag(pb, track);
697 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
698 mov_write_chan_tag(pb, track);
700 return update_size(pb, pos);
703 static int mov_write_d263_tag(AVIOContext *pb)
705 avio_wb32(pb, 0xf); /* size */
706 ffio_wfourcc(pb, "d263");
707 ffio_wfourcc(pb, "FFMP");
708 avio_w8(pb, 0); /* decoder version */
709 /* FIXME use AVCodecContext level/profile, when encoder will set values */
710 avio_w8(pb, 0xa); /* level */
711 avio_w8(pb, 0); /* profile */
715 /* TODO: No idea about these values */
716 static int mov_write_svq3_tag(AVIOContext *pb)
719 ffio_wfourcc(pb, "SMI ");
720 ffio_wfourcc(pb, "SEQH");
722 avio_wb32(pb, 0xe2c0211d);
723 avio_wb32(pb, 0xc0000000);
728 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
730 int64_t pos = avio_tell(pb);
733 ffio_wfourcc(pb, "avcC");
734 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
735 return update_size(pb, pos);
738 /* also used by all avid codecs (dv, imx, meridien) and their variants */
739 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
742 avio_wb32(pb, 24); /* size */
743 ffio_wfourcc(pb, "ACLR");
744 ffio_wfourcc(pb, "ACLR");
745 ffio_wfourcc(pb, "0001");
746 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
747 avio_wb32(pb, 0); /* unknown */
749 avio_wb32(pb, 24); /* size */
750 ffio_wfourcc(pb, "APRG");
751 ffio_wfourcc(pb, "APRG");
752 ffio_wfourcc(pb, "0001");
753 avio_wb32(pb, 1); /* unknown */
754 avio_wb32(pb, 0); /* unknown */
756 avio_wb32(pb, 120); /* size */
757 ffio_wfourcc(pb, "ARES");
758 ffio_wfourcc(pb, "ARES");
759 ffio_wfourcc(pb, "0001");
760 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
761 avio_wb32(pb, track->enc->width);
762 /* values below are based on samples created with quicktime and avid codecs */
763 if (track->vos_data[5] & 2) { // interlaced
764 avio_wb32(pb, track->enc->height/2);
765 avio_wb32(pb, 2); /* unknown */
766 avio_wb32(pb, 0); /* unknown */
767 avio_wb32(pb, 4); /* unknown */
769 avio_wb32(pb, track->enc->height);
770 avio_wb32(pb, 1); /* unknown */
771 avio_wb32(pb, 0); /* unknown */
772 if (track->enc->height == 1080)
773 avio_wb32(pb, 5); /* unknown */
775 avio_wb32(pb, 6); /* unknown */
778 for (i = 0; i < 10; i++)
781 /* extra padding for stsd needed */
786 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
788 int tag = track->enc->codec_tag;
790 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
793 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
794 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
795 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
796 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
797 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
798 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
799 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
804 static const AVCodecTag codec_ipod_tags[] = {
805 { CODEC_ID_H264, MKTAG('a','v','c','1') },
806 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
807 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
808 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
809 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
810 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
811 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
812 { CODEC_ID_NONE, 0 },
815 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
817 int tag = track->enc->codec_tag;
819 // keep original tag for subs, ipod supports both formats
820 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
821 (tag == MKTAG('t','x','3','g') ||
822 tag == MKTAG('t','e','x','t'))))
823 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
825 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
826 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
827 "Quicktime/Ipod might not play the file\n");
832 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
836 if (track->enc->width == 720) /* SD */
837 if (track->enc->height == 480) /* NTSC */
838 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
839 else tag = MKTAG('d','v','c',' ');
840 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
841 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
842 else tag = MKTAG('d','v','p','p');
843 else if (track->enc->height == 720) /* HD 720 line */
844 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
845 else tag = MKTAG('d','v','h','p');
846 else if (track->enc->height == 1080) /* HD 1080 line */
847 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
848 else tag = MKTAG('d','v','h','6');
850 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
857 static const struct {
858 enum PixelFormat pix_fmt;
861 } mov_pix_fmt_tags[] = {
862 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
863 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
864 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
865 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
866 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
867 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
868 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
869 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
870 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
871 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
872 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
873 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
874 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
875 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
878 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
880 int tag = track->enc->codec_tag;
883 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
884 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
885 tag = mov_pix_fmt_tags[i].tag;
886 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
894 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
896 int tag = track->enc->codec_tag;
898 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
899 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
900 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
901 track->enc->codec_id == CODEC_ID_H263 ||
902 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
903 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
904 tag = mov_get_dv_codec_tag(s, track);
905 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
906 tag = mov_get_rawvideo_codec_tag(s, track);
907 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
908 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
909 if (!tag) { // if no mac fcc found, try with Microsoft tags
910 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
912 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
913 "the file may be unplayable!\n");
915 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
916 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
917 if (!tag) { // if no mac fcc found, try with Microsoft tags
918 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
920 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
921 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
922 "the file may be unplayable!\n");
925 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
926 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
932 static const AVCodecTag codec_3gp_tags[] = {
933 { CODEC_ID_H263, MKTAG('s','2','6','3') },
934 { CODEC_ID_H264, MKTAG('a','v','c','1') },
935 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
936 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
937 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
938 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
939 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
940 { CODEC_ID_NONE, 0 },
943 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
947 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
948 tag = mp4_get_codec_tag(s, track);
949 else if (track->mode == MODE_ISM) {
950 tag = mp4_get_codec_tag(s, track);
951 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
952 tag = MKTAG('w', 'm', 'a', ' ');
953 } else if (track->mode == MODE_IPOD)
954 tag = ipod_get_codec_tag(s, track);
955 else if (track->mode & MODE_3GP)
956 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
958 tag = mov_get_codec_tag(s, track);
964 * Needed to make file play in iPods running newest firmware
965 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
967 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
970 ffio_wfourcc(pb, "uuid");
971 avio_wb32(pb, 0x6b6840f2);
972 avio_wb32(pb, 0x5f244fc5);
973 avio_wb32(pb, 0xba39a51b);
974 avio_wb32(pb, 0xcf0323f3);
979 static const uint16_t fiel_data[] = {
980 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
983 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
985 unsigned mov_field_order = 0;
986 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
987 mov_field_order = fiel_data[track->enc->field_order];
991 ffio_wfourcc(pb, "fiel");
992 avio_wb16(pb, mov_field_order);
996 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
998 int64_t pos = avio_tell(pb);
999 avio_wb32(pb, 0); /* size */
1000 avio_wl32(pb, track->tag); // store it byteswapped
1001 avio_wb32(pb, 0); /* Reserved */
1002 avio_wb16(pb, 0); /* Reserved */
1003 avio_wb16(pb, 1); /* Data-reference index */
1005 if (track->enc->extradata_size)
1006 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1008 return update_size(pb, pos);
1011 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1014 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1015 track->enc->sample_aspect_ratio.den, INT_MAX);
1018 ffio_wfourcc(pb, "pasp");
1019 avio_wb32(pb, sar.num);
1020 avio_wb32(pb, sar.den);
1024 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1026 int64_t pos = avio_tell(pb);
1027 char compressor_name[32] = { 0 };
1029 avio_wb32(pb, 0); /* size */
1030 avio_wl32(pb, track->tag); // store it byteswapped
1031 avio_wb32(pb, 0); /* Reserved */
1032 avio_wb16(pb, 0); /* Reserved */
1033 avio_wb16(pb, 1); /* Data-reference index */
1035 avio_wb16(pb, 0); /* Codec stream version */
1036 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1037 if (track->mode == MODE_MOV) {
1038 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1039 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
1040 avio_wb32(pb, 0); /* Temporal Quality */
1041 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1043 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1044 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1047 avio_wb32(pb, 0); /* Reserved */
1048 avio_wb32(pb, 0); /* Reserved */
1049 avio_wb32(pb, 0); /* Reserved */
1051 avio_wb16(pb, track->enc->width); /* Video width */
1052 avio_wb16(pb, track->height); /* Video height */
1053 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1054 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1055 avio_wb32(pb, 0); /* Data size (= 0) */
1056 avio_wb16(pb, 1); /* Frame count (= 1) */
1058 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1059 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1060 av_strlcpy(compressor_name,track->enc->codec->name,32);
1061 avio_w8(pb, strlen(compressor_name));
1062 avio_write(pb, compressor_name, 31);
1064 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1065 avio_wb16(pb, track->enc->bits_per_coded_sample);
1067 avio_wb16(pb, 0x18); /* Reserved */
1068 avio_wb16(pb, 0xffff); /* Reserved */
1069 if(track->tag == MKTAG('m','p','4','v'))
1070 mov_write_esds_tag(pb, track);
1071 else if(track->enc->codec_id == CODEC_ID_H263)
1072 mov_write_d263_tag(pb);
1073 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1074 mov_write_svq3_tag(pb);
1075 else if(track->enc->codec_id == CODEC_ID_AVUI)
1076 mov_write_extradata_tag(pb, track);
1077 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1078 mov_write_avid_tag(pb, track);
1079 else if(track->enc->codec_id == CODEC_ID_H264) {
1080 mov_write_avcc_tag(pb, track);
1081 if(track->mode == MODE_IPOD)
1082 mov_write_uuid_tag_ipod(pb);
1083 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1084 mov_write_fiel_tag(pb, track);
1085 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1086 mov_write_dvc1_tag(pb, track);
1087 else if (track->vos_len > 0)
1088 mov_write_glbl_tag(pb, track);
1090 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1091 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1092 mov_write_pasp_tag(pb, track);
1095 return update_size(pb, pos);
1098 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1100 int64_t pos = avio_tell(pb);
1101 avio_wb32(pb, 0); /* size */
1102 ffio_wfourcc(pb, "rtp ");
1103 avio_wb32(pb, 0); /* Reserved */
1104 avio_wb16(pb, 0); /* Reserved */
1105 avio_wb16(pb, 1); /* Data-reference index */
1107 avio_wb16(pb, 1); /* Hint track version */
1108 avio_wb16(pb, 1); /* Highest compatible version */
1109 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1111 avio_wb32(pb, 12); /* size */
1112 ffio_wfourcc(pb, "tims");
1113 avio_wb32(pb, track->timescale);
1115 return update_size(pb, pos);
1118 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1120 int64_t pos = avio_tell(pb);
1121 avio_wb32(pb, 0); /* size */
1122 ffio_wfourcc(pb, "stsd");
1123 avio_wb32(pb, 0); /* version & flags */
1124 avio_wb32(pb, 1); /* entry count */
1125 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1126 mov_write_video_tag(pb, track);
1127 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1128 mov_write_audio_tag(pb, track);
1129 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1130 mov_write_subtitle_tag(pb, track);
1131 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1132 mov_write_rtp_tag(pb, track);
1133 return update_size(pb, pos);
1136 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1138 MOVStts *ctts_entries;
1139 uint32_t entries = 0;
1143 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1144 ctts_entries[0].count = 1;
1145 ctts_entries[0].duration = track->cluster[0].cts;
1146 for (i=1; i<track->entry; i++) {
1147 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1148 ctts_entries[entries].count++; /* compress */
1151 ctts_entries[entries].duration = track->cluster[i].cts;
1152 ctts_entries[entries].count = 1;
1155 entries++; /* last one */
1156 atom_size = 16 + (entries * 8);
1157 avio_wb32(pb, atom_size); /* size */
1158 ffio_wfourcc(pb, "ctts");
1159 avio_wb32(pb, 0); /* version & flags */
1160 avio_wb32(pb, entries); /* entry count */
1161 for (i=0; i<entries; i++) {
1162 avio_wb32(pb, ctts_entries[i].count);
1163 avio_wb32(pb, ctts_entries[i].duration);
1165 av_free(ctts_entries);
1169 /* Time to sample atom */
1170 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1172 MOVStts *stts_entries;
1173 uint32_t entries = -1;
1177 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1178 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1179 stts_entries[0].count = track->sample_count;
1180 stts_entries[0].duration = 1;
1183 stts_entries = track->entry ?
1184 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1186 for (i=0; i<track->entry; i++) {
1187 int duration = get_cluster_duration(track, i);
1188 if (i && duration == stts_entries[entries].duration) {
1189 stts_entries[entries].count++; /* compress */
1192 stts_entries[entries].duration = duration;
1193 stts_entries[entries].count = 1;
1196 entries++; /* last one */
1198 atom_size = 16 + (entries * 8);
1199 avio_wb32(pb, atom_size); /* size */
1200 ffio_wfourcc(pb, "stts");
1201 avio_wb32(pb, 0); /* version & flags */
1202 avio_wb32(pb, entries); /* entry count */
1203 for (i=0; i<entries; i++) {
1204 avio_wb32(pb, stts_entries[i].count);
1205 avio_wb32(pb, stts_entries[i].duration);
1207 av_free(stts_entries);
1211 static int mov_write_dref_tag(AVIOContext *pb)
1213 avio_wb32(pb, 28); /* size */
1214 ffio_wfourcc(pb, "dref");
1215 avio_wb32(pb, 0); /* version & flags */
1216 avio_wb32(pb, 1); /* entry count */
1218 avio_wb32(pb, 0xc); /* size */
1219 //FIXME add the alis and rsrc atom
1220 ffio_wfourcc(pb, "url ");
1221 avio_wb32(pb, 1); /* version & flags */
1226 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1228 int64_t pos = avio_tell(pb);
1229 avio_wb32(pb, 0); /* size */
1230 ffio_wfourcc(pb, "stbl");
1231 mov_write_stsd_tag(pb, track);
1232 mov_write_stts_tag(pb, track);
1233 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1234 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1235 track->has_keyframes && track->has_keyframes < track->entry)
1236 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1237 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1238 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1239 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1240 track->flags & MOV_TRACK_CTTS)
1241 mov_write_ctts_tag(pb, track);
1242 mov_write_stsc_tag(pb, track);
1243 mov_write_stsz_tag(pb, track);
1244 mov_write_stco_tag(pb, track);
1245 return update_size(pb, pos);
1248 static int mov_write_dinf_tag(AVIOContext *pb)
1250 int64_t pos = avio_tell(pb);
1251 avio_wb32(pb, 0); /* size */
1252 ffio_wfourcc(pb, "dinf");
1253 mov_write_dref_tag(pb);
1254 return update_size(pb, pos);
1257 static int mov_write_nmhd_tag(AVIOContext *pb)
1260 ffio_wfourcc(pb, "nmhd");
1265 static int mov_write_gmhd_tag(AVIOContext *pb)
1267 avio_wb32(pb, 0x4C); /* size */
1268 ffio_wfourcc(pb, "gmhd");
1269 avio_wb32(pb, 0x18); /* gmin size */
1270 ffio_wfourcc(pb, "gmin");/* generic media info */
1271 avio_wb32(pb, 0); /* version & flags */
1272 avio_wb16(pb, 0x40); /* graphics mode = */
1273 avio_wb16(pb, 0x8000); /* opColor (r?) */
1274 avio_wb16(pb, 0x8000); /* opColor (g?) */
1275 avio_wb16(pb, 0x8000); /* opColor (b?) */
1276 avio_wb16(pb, 0); /* balance */
1277 avio_wb16(pb, 0); /* reserved */
1280 * This special text atom is required for
1281 * Apple Quicktime chapters. The contents
1282 * don't appear to be documented, so the
1283 * bytes are copied verbatim.
1285 avio_wb32(pb, 0x2C); /* size */
1286 ffio_wfourcc(pb, "text");
1287 avio_wb16(pb, 0x01);
1288 avio_wb32(pb, 0x00);
1289 avio_wb32(pb, 0x00);
1290 avio_wb32(pb, 0x00);
1291 avio_wb32(pb, 0x01);
1292 avio_wb32(pb, 0x00);
1293 avio_wb32(pb, 0x00);
1294 avio_wb32(pb, 0x00);
1295 avio_wb32(pb, 0x00004000);
1296 avio_wb16(pb, 0x0000);
1301 static int mov_write_smhd_tag(AVIOContext *pb)
1303 avio_wb32(pb, 16); /* size */
1304 ffio_wfourcc(pb, "smhd");
1305 avio_wb32(pb, 0); /* version & flags */
1306 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1307 avio_wb16(pb, 0); /* reserved */
1311 static int mov_write_vmhd_tag(AVIOContext *pb)
1313 avio_wb32(pb, 0x14); /* size (always 0x14) */
1314 ffio_wfourcc(pb, "vmhd");
1315 avio_wb32(pb, 0x01); /* version & flags */
1316 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1320 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1322 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1323 int64_t pos = avio_tell(pb);
1325 if (!track) { /* no media --> data handler */
1328 descr = "DataHandler";
1330 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1331 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1333 descr = "VideoHandler";
1334 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1336 descr = "SoundHandler";
1337 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1338 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1339 else hdlr_type = "text";
1340 descr = "SubtitleHandler";
1341 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1343 descr = "HintHandler";
1347 descr = "DataHandler";
1351 avio_wb32(pb, 0); /* size */
1352 ffio_wfourcc(pb, "hdlr");
1353 avio_wb32(pb, 0); /* Version & flags */
1354 avio_write(pb, hdlr, 4); /* handler */
1355 ffio_wfourcc(pb, hdlr_type); /* handler type */
1356 avio_wb32(pb ,0); /* reserved */
1357 avio_wb32(pb ,0); /* reserved */
1358 avio_wb32(pb ,0); /* reserved */
1359 if (!track || track->mode == MODE_MOV)
1360 avio_w8(pb, strlen(descr)); /* pascal string */
1361 avio_write(pb, descr, strlen(descr)); /* handler description */
1362 if (track && track->mode != MODE_MOV)
1363 avio_w8(pb, 0); /* c string */
1364 return update_size(pb, pos);
1367 static int mov_write_hmhd_tag(AVIOContext *pb)
1369 /* This atom must be present, but leaving the values at zero
1370 * seems harmless. */
1371 avio_wb32(pb, 28); /* size */
1372 ffio_wfourcc(pb, "hmhd");
1373 avio_wb32(pb, 0); /* version, flags */
1374 avio_wb16(pb, 0); /* maxPDUsize */
1375 avio_wb16(pb, 0); /* avgPDUsize */
1376 avio_wb32(pb, 0); /* maxbitrate */
1377 avio_wb32(pb, 0); /* avgbitrate */
1378 avio_wb32(pb, 0); /* reserved */
1382 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1384 int64_t pos = avio_tell(pb);
1385 avio_wb32(pb, 0); /* size */
1386 ffio_wfourcc(pb, "minf");
1387 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1388 mov_write_vmhd_tag(pb);
1389 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1390 mov_write_smhd_tag(pb);
1391 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1392 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1393 else mov_write_nmhd_tag(pb);
1394 } else if (track->tag == MKTAG('r','t','p',' ')) {
1395 mov_write_hmhd_tag(pb);
1397 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1398 mov_write_hdlr_tag(pb, NULL);
1399 mov_write_dinf_tag(pb);
1400 mov_write_stbl_tag(pb, track);
1401 return update_size(pb, pos);
1404 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1406 int version = track->track_duration < INT32_MAX ? 0 : 1;
1408 if (track->mode == MODE_ISM)
1411 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1412 ffio_wfourcc(pb, "mdhd");
1413 avio_w8(pb, version);
1414 avio_wb24(pb, 0); /* flags */
1416 avio_wb64(pb, track->time);
1417 avio_wb64(pb, track->time);
1419 avio_wb32(pb, track->time); /* creation time */
1420 avio_wb32(pb, track->time); /* modification time */
1422 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1424 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1426 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1427 avio_wb16(pb, track->language); /* language */
1428 avio_wb16(pb, 0); /* reserved (quality) */
1430 if(version!=0 && track->mode == MODE_MOV){
1431 av_log(NULL, AV_LOG_ERROR,
1432 "FATAL error, file duration too long for timebase, this file will not be\n"
1433 "playable with quicktime. Choose a different timebase or a different\n"
1434 "container format\n");
1440 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1442 int64_t pos = avio_tell(pb);
1443 avio_wb32(pb, 0); /* size */
1444 ffio_wfourcc(pb, "mdia");
1445 mov_write_mdhd_tag(pb, track);
1446 mov_write_hdlr_tag(pb, track);
1447 mov_write_minf_tag(pb, track);
1448 return update_size(pb, pos);
1451 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1453 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1454 track->timescale, AV_ROUND_UP);
1455 int version = duration < INT32_MAX ? 0 : 1;
1457 if (track->mode == MODE_ISM)
1460 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1461 ffio_wfourcc(pb, "tkhd");
1462 avio_w8(pb, version);
1463 avio_wb24(pb, 0xf); /* flags (track enabled) */
1465 avio_wb64(pb, track->time);
1466 avio_wb64(pb, track->time);
1468 avio_wb32(pb, track->time); /* creation time */
1469 avio_wb32(pb, track->time); /* modification time */
1471 avio_wb32(pb, track->track_id); /* track-id */
1472 avio_wb32(pb, 0); /* reserved */
1474 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1476 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1478 avio_wb32(pb, 0); /* reserved */
1479 avio_wb32(pb, 0); /* reserved */
1480 avio_wb16(pb, 0); /* layer */
1481 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1482 /* Volume, only for audio */
1483 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1484 avio_wb16(pb, 0x0100);
1487 avio_wb16(pb, 0); /* reserved */
1489 /* Matrix structure */
1490 avio_wb32(pb, 0x00010000); /* reserved */
1491 avio_wb32(pb, 0x0); /* reserved */
1492 avio_wb32(pb, 0x0); /* reserved */
1493 avio_wb32(pb, 0x0); /* reserved */
1494 avio_wb32(pb, 0x00010000); /* reserved */
1495 avio_wb32(pb, 0x0); /* reserved */
1496 avio_wb32(pb, 0x0); /* reserved */
1497 avio_wb32(pb, 0x0); /* reserved */
1498 avio_wb32(pb, 0x40000000); /* reserved */
1500 /* Track width and height, for visual only */
1501 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1502 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1503 if(track->mode == MODE_MOV) {
1504 avio_wb32(pb, track->enc->width << 16);
1505 avio_wb32(pb, track->height << 16);
1507 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1508 if(!sample_aspect_ratio || track->height != track->enc->height)
1509 sample_aspect_ratio = 1;
1510 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1511 avio_wb32(pb, track->height*0x10000);
1521 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1523 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1524 track->enc->sample_aspect_ratio.den);
1526 int64_t pos = avio_tell(pb);
1528 avio_wb32(pb, 0); /* size */
1529 ffio_wfourcc(pb, "tapt");
1532 ffio_wfourcc(pb, "clef");
1534 avio_wb32(pb, width << 16);
1535 avio_wb32(pb, track->enc->height << 16);
1538 ffio_wfourcc(pb, "enof");
1540 avio_wb32(pb, track->enc->width << 16);
1541 avio_wb32(pb, track->enc->height << 16);
1543 return update_size(pb, pos);
1546 // This box seems important for the psp playback ... without it the movie seems to hang
1547 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1549 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1550 track->timescale, AV_ROUND_UP);
1551 int version = duration < INT32_MAX ? 0 : 1;
1552 int entry_size, entry_count, size;
1553 int64_t delay, start_ct = track->cluster[0].cts;
1554 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1555 track->timescale, AV_ROUND_DOWN);
1556 version |= delay < INT32_MAX ? 0 : 1;
1558 entry_size = (version == 1) ? 20 : 12;
1559 entry_count = 1 + (delay > 0);
1560 size = 24 + entry_count * entry_size;
1562 /* write the atom data */
1563 avio_wb32(pb, size);
1564 ffio_wfourcc(pb, "edts");
1565 avio_wb32(pb, size - 8);
1566 ffio_wfourcc(pb, "elst");
1567 avio_w8(pb, version);
1568 avio_wb24(pb, 0); /* flags */
1570 avio_wb32(pb, entry_count);
1571 if (delay > 0) { /* add an empty edit to delay presentation */
1573 avio_wb64(pb, delay);
1576 avio_wb32(pb, delay);
1579 avio_wb32(pb, 0x00010000);
1584 avio_wb64(pb, duration);
1585 avio_wb64(pb, start_ct);
1587 avio_wb32(pb, duration);
1588 avio_wb32(pb, start_ct);
1590 avio_wb32(pb, 0x00010000);
1594 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1596 avio_wb32(pb, 20); // size
1597 ffio_wfourcc(pb, "tref");
1598 avio_wb32(pb, 12); // size (subatom)
1599 avio_wl32(pb, track->tref_tag);
1600 avio_wb32(pb, track->tref_id);
1604 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1605 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1607 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1608 ffio_wfourcc(pb, "uuid");
1609 ffio_wfourcc(pb, "USMT");
1610 avio_wb32(pb, 0x21d24fce);
1611 avio_wb32(pb, 0xbb88695c);
1612 avio_wb32(pb, 0xfac9c740);
1613 avio_wb32(pb, 0x1c); // another size here!
1614 ffio_wfourcc(pb, "MTDT");
1615 avio_wb32(pb, 0x00010012);
1616 avio_wb32(pb, 0x0a);
1617 avio_wb32(pb, 0x55c40000);
1623 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1625 char buf[1000] = "";
1628 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1629 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1632 avio_wb32(pb, len + 24);
1633 ffio_wfourcc(pb, "udta");
1634 avio_wb32(pb, len + 16);
1635 ffio_wfourcc(pb, "hnti");
1636 avio_wb32(pb, len + 8);
1637 ffio_wfourcc(pb, "sdp ");
1638 avio_write(pb, buf, len);
1642 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1643 MOVTrack *track, AVStream *st)
1645 int64_t pos = avio_tell(pb);
1646 avio_wb32(pb, 0); /* size */
1647 ffio_wfourcc(pb, "trak");
1648 mov_write_tkhd_tag(pb, track, st);
1649 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1650 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1651 if (track->tref_tag)
1652 mov_write_tref_tag(pb, track);
1653 mov_write_mdia_tag(pb, track);
1654 if (track->mode == MODE_PSP)
1655 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1656 if (track->tag == MKTAG('r','t','p',' '))
1657 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1658 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1659 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1660 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1661 mov_write_tapt_tag(pb, track);
1663 return update_size(pb, pos);
1666 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1668 int i, has_audio = 0, has_video = 0;
1669 int64_t pos = avio_tell(pb);
1670 int audio_profile = mov->iods_audio_profile;
1671 int video_profile = mov->iods_video_profile;
1672 for (i = 0; i < mov->nb_streams; i++) {
1673 if(mov->tracks[i].entry > 0) {
1674 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1675 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1678 if (audio_profile < 0)
1679 audio_profile = 0xFF - has_audio;
1680 if (video_profile < 0)
1681 video_profile = 0xFF - has_video;
1682 avio_wb32(pb, 0x0); /* size */
1683 ffio_wfourcc(pb, "iods");
1684 avio_wb32(pb, 0); /* version & flags */
1685 put_descr(pb, 0x10, 7);
1686 avio_wb16(pb, 0x004f);
1689 avio_w8(pb, audio_profile);
1690 avio_w8(pb, video_profile);
1692 return update_size(pb, pos);
1695 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1697 avio_wb32(pb, 0x20); /* size */
1698 ffio_wfourcc(pb, "trex");
1699 avio_wb32(pb, 0); /* version & flags */
1700 avio_wb32(pb, track->track_id); /* track ID */
1701 avio_wb32(pb, 1); /* default sample description index */
1702 avio_wb32(pb, 0); /* default sample duration */
1703 avio_wb32(pb, 0); /* default sample size */
1704 avio_wb32(pb, 0); /* default sample flags */
1708 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1710 int64_t pos = avio_tell(pb);
1712 avio_wb32(pb, 0x0); /* size */
1713 ffio_wfourcc(pb, "mvex");
1714 for (i = 0; i < mov->nb_streams; i++)
1715 mov_write_trex_tag(pb, &mov->tracks[i]);
1716 return update_size(pb, pos);
1719 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1721 int max_track_id = 1, i;
1722 int64_t max_track_len_temp, max_track_len = 0;
1725 for (i=0; i<mov->nb_streams; i++) {
1726 if(mov->tracks[i].entry > 0) {
1727 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1729 mov->tracks[i].timescale,
1731 if (max_track_len < max_track_len_temp)
1732 max_track_len = max_track_len_temp;
1733 if (max_track_id < mov->tracks[i].track_id)
1734 max_track_id = mov->tracks[i].track_id;
1738 version = max_track_len < UINT32_MAX ? 0 : 1;
1739 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1740 ffio_wfourcc(pb, "mvhd");
1741 avio_w8(pb, version);
1742 avio_wb24(pb, 0); /* flags */
1744 avio_wb64(pb, mov->time);
1745 avio_wb64(pb, mov->time);
1747 avio_wb32(pb, mov->time); /* creation time */
1748 avio_wb32(pb, mov->time); /* modification time */
1750 avio_wb32(pb, MOV_TIMESCALE);
1751 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1753 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1754 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1755 avio_wb16(pb, 0); /* reserved */
1756 avio_wb32(pb, 0); /* reserved */
1757 avio_wb32(pb, 0); /* reserved */
1759 /* Matrix structure */
1760 avio_wb32(pb, 0x00010000); /* reserved */
1761 avio_wb32(pb, 0x0); /* reserved */
1762 avio_wb32(pb, 0x0); /* reserved */
1763 avio_wb32(pb, 0x0); /* reserved */
1764 avio_wb32(pb, 0x00010000); /* reserved */
1765 avio_wb32(pb, 0x0); /* reserved */
1766 avio_wb32(pb, 0x0); /* reserved */
1767 avio_wb32(pb, 0x0); /* reserved */
1768 avio_wb32(pb, 0x40000000); /* reserved */
1770 avio_wb32(pb, 0); /* reserved (preview time) */
1771 avio_wb32(pb, 0); /* reserved (preview duration) */
1772 avio_wb32(pb, 0); /* reserved (poster time) */
1773 avio_wb32(pb, 0); /* reserved (selection time) */
1774 avio_wb32(pb, 0); /* reserved (selection duration) */
1775 avio_wb32(pb, 0); /* reserved (current time) */
1776 avio_wb32(pb, max_track_id + 1); /* Next track id */
1780 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1783 avio_wb32(pb, 33); /* size */
1784 ffio_wfourcc(pb, "hdlr");
1787 ffio_wfourcc(pb, "mdir");
1788 ffio_wfourcc(pb, "appl");
1795 /* helper function to write a data tag with the specified string as data */
1796 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1799 int size = 16 + strlen(data);
1800 avio_wb32(pb, size); /* size */
1801 ffio_wfourcc(pb, "data");
1804 avio_write(pb, data, strlen(data));
1808 lang = ff_mov_iso639_to_lang("und", 1);
1809 avio_wb16(pb, strlen(data)); /* string length */
1810 avio_wb16(pb, lang);
1811 avio_write(pb, data, strlen(data));
1812 return strlen(data) + 4;
1816 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1818 if (value && value[0]) {
1819 int64_t pos = avio_tell(pb);
1820 avio_wb32(pb, 0); /* size */
1821 ffio_wfourcc(pb, name);
1822 mov_write_string_data_tag(pb, value, lang, long_style);
1823 size = update_size(pb, pos);
1828 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1829 const char *name, const char *tag,
1832 int l, lang = 0, len, len2;
1833 AVDictionaryEntry *t, *t2 = NULL;
1836 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1839 len = strlen(t->key);
1840 snprintf(tag2, sizeof(tag2), "%s-", tag);
1841 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1842 len2 = strlen(t2->key);
1843 if (len2 == len+4 && !strcmp(t->value, t2->value)
1844 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1849 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1852 /* iTunes track number */
1853 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1856 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1857 int size = 0, track = t ? atoi(t->value) : 0;
1859 avio_wb32(pb, 32); /* size */
1860 ffio_wfourcc(pb, "trkn");
1861 avio_wb32(pb, 24); /* size */
1862 ffio_wfourcc(pb, "data");
1863 avio_wb32(pb, 0); // 8 bytes empty
1865 avio_wb16(pb, 0); // empty
1866 avio_wb16(pb, track); // track number
1867 avio_wb16(pb, 0); // total track number
1868 avio_wb16(pb, 0); // empty
1874 /* iTunes meta data list */
1875 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1878 int64_t pos = avio_tell(pb);
1879 avio_wb32(pb, 0); /* size */
1880 ffio_wfourcc(pb, "ilst");
1881 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1882 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1883 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1884 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1885 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1886 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1887 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1888 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1889 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1890 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1891 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1892 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1893 mov_write_string_metadata(s, pb, "desc", "description",1);
1894 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1895 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1896 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1897 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1898 mov_write_trkn_tag(pb, mov, s);
1899 return update_size(pb, pos);
1902 /* iTunes meta data tag */
1903 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1907 int64_t pos = avio_tell(pb);
1908 avio_wb32(pb, 0); /* size */
1909 ffio_wfourcc(pb, "meta");
1911 mov_write_itunes_hdlr_tag(pb, mov, s);
1912 mov_write_ilst_tag(pb, mov, s);
1913 size = update_size(pb, pos);
1917 static int utf8len(const uint8_t *b)
1922 GET_UTF8(val, *b++, return -1;)
1928 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1932 GET_UTF8(val, *b++, return -1;)
1935 avio_wb16(pb, 0x00);
1939 static uint16_t language_code(const char *str)
1941 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1944 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1945 const char *tag, const char *str)
1947 int64_t pos = avio_tell(pb);
1948 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1949 if (!t || !utf8len(t->value))
1951 avio_wb32(pb, 0); /* size */
1952 ffio_wfourcc(pb, tag); /* type */
1953 avio_wb32(pb, 0); /* version + flags */
1954 if (!strcmp(tag, "yrrc"))
1955 avio_wb16(pb, atoi(t->value));
1957 avio_wb16(pb, language_code("eng")); /* language */
1958 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1959 if (!strcmp(tag, "albm") &&
1960 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1961 avio_w8(pb, atoi(t->value));
1963 return update_size(pb, pos);
1966 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1968 int64_t pos = avio_tell(pb);
1969 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1971 avio_wb32(pb, 0); // size
1972 ffio_wfourcc(pb, "chpl");
1973 avio_wb32(pb, 0x01000000); // version + flags
1974 avio_wb32(pb, 0); // unknown
1975 avio_w8(pb, nb_chapters);
1977 for (i = 0; i < nb_chapters; i++) {
1978 AVChapter *c = s->chapters[i];
1979 AVDictionaryEntry *t;
1980 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1982 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1983 int len = FFMIN(strlen(t->value), 255);
1985 avio_write(pb, t->value, len);
1989 return update_size(pb, pos);
1992 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1995 AVIOContext *pb_buf;
1999 for (i = 0; i < s->nb_streams; i++)
2000 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2004 ret = avio_open_dyn_buf(&pb_buf);
2008 if (mov->mode & MODE_3GP) {
2009 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2010 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2011 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2012 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2013 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2014 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2015 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2016 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2017 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2018 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
2019 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
2020 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
2021 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2022 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2023 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2024 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2025 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2026 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2028 /* iTunes meta data */
2029 mov_write_meta_tag(pb_buf, mov, s);
2033 mov_write_chpl_tag(pb_buf, s);
2035 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2036 avio_wb32(pb, size+8);
2037 ffio_wfourcc(pb, "udta");
2038 avio_write(pb, buf, size);
2045 static void mov_write_psp_udta_tag(AVIOContext *pb,
2046 const char *str, const char *lang, int type)
2048 int len = utf8len(str)+1;
2051 avio_wb16(pb, len*2+10); /* size */
2052 avio_wb32(pb, type); /* type */
2053 avio_wb16(pb, language_code(lang)); /* language */
2054 avio_wb16(pb, 0x01); /* ? */
2055 ascii_to_wc(pb, str);
2058 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2060 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2064 pos = avio_tell(pb);
2065 avio_wb32(pb, 0); /* size placeholder*/
2066 ffio_wfourcc(pb, "uuid");
2067 ffio_wfourcc(pb, "USMT");
2068 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2069 avio_wb32(pb, 0xbb88695c);
2070 avio_wb32(pb, 0xfac9c740);
2072 pos2 = avio_tell(pb);
2073 avio_wb32(pb, 0); /* size placeholder*/
2074 ffio_wfourcc(pb, "MTDT");
2078 avio_wb16(pb, 0x0C); /* size */
2079 avio_wb32(pb, 0x0B); /* type */
2080 avio_wb16(pb, language_code("und")); /* language */
2081 avio_wb16(pb, 0x0); /* ? */
2082 avio_wb16(pb, 0x021C); /* data */
2084 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2085 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2086 // 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);
2087 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2089 update_size(pb, pos2);
2090 return update_size(pb, pos);
2096 static void build_chunks(MOVTrack *trk)
2099 MOVIentry *chunk= &trk->cluster[0];
2100 uint64_t chunkSize = chunk->size;
2102 if (trk->chunkCount)
2105 for(i=1; i<trk->entry; i++){
2106 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2107 chunkSize + trk->cluster[i].size < (1<<20)){
2108 chunkSize += trk->cluster[i].size;
2109 chunk->samples_in_chunk += trk->cluster[i].entries;
2111 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2112 chunk=&trk->cluster[i];
2113 chunkSize = chunk->size;
2119 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2123 int64_t pos = avio_tell(pb);
2124 avio_wb32(pb, 0); /* size placeholder*/
2125 ffio_wfourcc(pb, "moov");
2127 for (i=0; i<mov->nb_streams; i++) {
2128 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2131 mov->tracks[i].time = mov->time;
2132 mov->tracks[i].track_id = i+1;
2134 if (mov->tracks[i].entry)
2135 build_chunks(&mov->tracks[i]);
2138 if (mov->chapter_track)
2139 for (i=0; i<s->nb_streams; i++) {
2140 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2141 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2143 for (i = 0; i < mov->nb_streams; i++) {
2144 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2145 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2146 mov->tracks[i].tref_id =
2147 mov->tracks[mov->tracks[i].src_track].track_id;
2151 mov_write_mvhd_tag(pb, mov);
2152 if (mov->mode != MODE_MOV && !mov->iods_skip)
2153 mov_write_iods_tag(pb, mov);
2154 for (i=0; i<mov->nb_streams; i++) {
2155 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2156 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2159 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2160 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2162 if (mov->mode == MODE_PSP)
2163 mov_write_uuidusmt_tag(pb, s);
2165 mov_write_udta_tag(pb, mov, s);
2167 return update_size(pb, pos);
2170 static void param_write_int(AVIOContext *pb, const char *name, int value)
2172 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2175 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2177 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2180 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2183 len = FFMIN(sizeof(buf)/2 - 1, len);
2184 ff_data_to_hex(buf, value, len, 0);
2186 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2189 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2191 int64_t pos = avio_tell(pb);
2193 const uint8_t uuid[] = {
2194 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2195 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2199 ffio_wfourcc(pb, "uuid");
2200 avio_write(pb, uuid, sizeof(uuid));
2203 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2204 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2205 avio_printf(pb, "<head>\n");
2206 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2208 avio_printf(pb, "</head>\n");
2209 avio_printf(pb, "<body>\n");
2210 avio_printf(pb, "<switch>\n");
2211 for (i = 0; i < mov->nb_streams; i++) {
2212 MOVTrack *track = &mov->tracks[i];
2214 /* track->track_id is initialized in write_moov, and thus isn't known
2216 int track_id = i + 1;
2218 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2220 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2225 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2226 track->enc->bit_rate);
2227 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2228 param_write_int(pb, "trackID", track_id);
2229 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2230 if (track->enc->codec_id == CODEC_ID_H264) {
2232 int size = track->enc->extradata_size;
2233 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2235 param_write_hex(pb, "CodecPrivateData",
2236 ptr ? ptr : track->enc->extradata,
2240 param_write_string(pb, "FourCC", "H264");
2241 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2242 param_write_string(pb, "FourCC", "WVC1");
2243 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2244 track->enc->extradata_size);
2246 param_write_int(pb, "MaxWidth", track->enc->width);
2247 param_write_int(pb, "MaxHeight", track->enc->height);
2248 param_write_int(pb, "DisplayWidth", track->enc->width);
2249 param_write_int(pb, "DisplayHeight", track->enc->height);
2251 if (track->enc->codec_id == CODEC_ID_AAC) {
2252 param_write_string(pb, "FourCC", "AACL");
2253 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2254 param_write_string(pb, "FourCC", "WMAP");
2256 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2257 track->enc->extradata_size);
2258 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2259 track->enc->codec_id));
2260 param_write_int(pb, "Channels", track->enc->channels);
2261 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2262 param_write_int(pb, "BitsPerSample", 16);
2263 param_write_int(pb, "PacketSize", track->enc->block_align ?
2264 track->enc->block_align : 4);
2266 avio_printf(pb, "</%s>\n", type);
2268 avio_printf(pb, "</switch>\n");
2269 avio_printf(pb, "</body>\n");
2270 avio_printf(pb, "</smil>\n");
2272 return update_size(pb, pos);
2275 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2278 ffio_wfourcc(pb, "mfhd");
2280 avio_wb32(pb, mov->fragments);
2284 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2285 int64_t moof_offset)
2287 int64_t pos = avio_tell(pb);
2288 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2289 MOV_TFHD_BASE_DATA_OFFSET;
2290 if (!track->entry) {
2291 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2293 flags |= MOV_TFHD_DEFAULT_FLAGS;
2296 /* Don't set a default sample size, the silverlight player refuses
2297 * to play files with that set. Don't set a default sample duration,
2298 * WMP freaks out if it is set. */
2299 if (track->mode == MODE_ISM)
2300 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2302 avio_wb32(pb, 0); /* size placeholder */
2303 ffio_wfourcc(pb, "tfhd");
2304 avio_w8(pb, 0); /* version */
2305 avio_wb24(pb, flags);
2307 avio_wb32(pb, track->track_id); /* track-id */
2308 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2309 avio_wb64(pb, moof_offset);
2310 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2311 track->default_duration = get_cluster_duration(track, 0);
2312 avio_wb32(pb, track->default_duration);
2314 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2315 track->default_size = track->entry ? track->cluster[0].size : 1;
2316 avio_wb32(pb, track->default_size);
2318 track->default_size = -1;
2320 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2321 track->default_sample_flags =
2322 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2323 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2324 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2325 avio_wb32(pb, track->default_sample_flags);
2328 return update_size(pb, pos);
2331 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2333 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2334 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2337 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2339 int64_t pos = avio_tell(pb);
2340 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2343 for (i = 0; i < track->entry; i++) {
2344 if (get_cluster_duration(track, i) != track->default_duration)
2345 flags |= MOV_TRUN_SAMPLE_DURATION;
2346 if (track->cluster[i].size != track->default_size)
2347 flags |= MOV_TRUN_SAMPLE_SIZE;
2348 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2349 flags |= MOV_TRUN_SAMPLE_FLAGS;
2351 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2352 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2353 if (track->flags & MOV_TRACK_CTTS)
2354 flags |= MOV_TRUN_SAMPLE_CTS;
2356 avio_wb32(pb, 0); /* size placeholder */
2357 ffio_wfourcc(pb, "trun");
2358 avio_w8(pb, 0); /* version */
2359 avio_wb24(pb, flags);
2361 avio_wb32(pb, track->entry); /* sample count */
2362 track->moof_size_offset = avio_tell(pb);
2363 avio_wb32(pb, 0); /* data offset */
2364 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2365 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2367 for (i = 0; i < track->entry; i++) {
2368 if (flags & MOV_TRUN_SAMPLE_DURATION)
2369 avio_wb32(pb, get_cluster_duration(track, i));
2370 if (flags & MOV_TRUN_SAMPLE_SIZE)
2371 avio_wb32(pb, track->cluster[i].size);
2372 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2373 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2374 if (flags & MOV_TRUN_SAMPLE_CTS)
2375 avio_wb32(pb, track->cluster[i].cts);
2378 return update_size(pb, pos);
2381 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2383 int64_t pos = avio_tell(pb);
2384 const uint8_t uuid[] = {
2385 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2386 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2389 avio_wb32(pb, 0); /* size placeholder */
2390 ffio_wfourcc(pb, "uuid");
2391 avio_write(pb, uuid, sizeof(uuid));
2394 avio_wb64(pb, track->frag_start);
2395 avio_wb64(pb, track->start_dts + track->track_duration -
2396 track->cluster[0].dts);
2398 return update_size(pb, pos);
2401 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2402 MOVTrack *track, int entry)
2404 int n = track->nb_frag_info - 1 - entry, i;
2405 int size = 8 + 16 + 4 + 1 + 16*n;
2406 const uint8_t uuid[] = {
2407 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2408 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2414 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2415 avio_wb32(pb, size);
2416 ffio_wfourcc(pb, "uuid");
2417 avio_write(pb, uuid, sizeof(uuid));
2421 for (i = 0; i < n; i++) {
2422 int index = entry + 1 + i;
2423 avio_wb64(pb, track->frag_info[index].time);
2424 avio_wb64(pb, track->frag_info[index].duration);
2426 if (n < mov->ism_lookahead) {
2427 int free_size = 16*(mov->ism_lookahead - n);
2428 avio_wb32(pb, free_size);
2429 ffio_wfourcc(pb, "free");
2430 for (i = 0; i < free_size - 8; i++)
2437 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2440 int64_t pos = avio_tell(pb);
2442 for (i = 0; i < mov->ism_lookahead; i++) {
2443 /* Update the tfrf tag for the last ism_lookahead fragments,
2444 * nb_frag_info - 1 is the next fragment to be written. */
2445 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2447 avio_seek(pb, pos, SEEK_SET);
2451 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2452 MOVTrack *track, int64_t moof_offset)
2454 int64_t pos = avio_tell(pb);
2455 avio_wb32(pb, 0); /* size placeholder */
2456 ffio_wfourcc(pb, "traf");
2458 mov_write_tfhd_tag(pb, track, moof_offset);
2459 mov_write_trun_tag(pb, track);
2460 if (mov->mode == MODE_ISM) {
2461 mov_write_tfxd_tag(pb, track);
2463 if (mov->ism_lookahead) {
2464 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2466 track->tfrf_offset = avio_tell(pb);
2467 avio_wb32(pb, 8 + size);
2468 ffio_wfourcc(pb, "free");
2469 for (i = 0; i < size; i++)
2474 return update_size(pb, pos);
2477 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2479 int64_t pos = avio_tell(pb), end;
2482 avio_wb32(pb, 0); /* size placeholder */
2483 ffio_wfourcc(pb, "moof");
2485 mov_write_mfhd_tag(pb, mov);
2486 for (i = 0; i < mov->nb_streams; i++) {
2487 MOVTrack *track = &mov->tracks[i];
2488 if (tracks >= 0 && i != tracks)
2492 mov_write_traf_tag(pb, mov, track, pos);
2495 end = avio_tell(pb);
2496 moof_size = end - pos;
2497 for (i = 0; i < mov->nb_streams; i++) {
2498 MOVTrack *track = &mov->tracks[i];
2499 if (tracks >= 0 && i != tracks)
2503 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2504 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2506 avio_seek(pb, end, SEEK_SET);
2508 return update_size(pb, pos);
2511 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2513 int64_t pos = avio_tell(pb);
2516 avio_wb32(pb, 0); /* size placeholder */
2517 ffio_wfourcc(pb, "tfra");
2518 avio_w8(pb, 1); /* version */
2521 avio_wb32(pb, track->track_id);
2522 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2523 avio_wb32(pb, track->nb_frag_info);
2524 for (i = 0; i < track->nb_frag_info; i++) {
2525 avio_wb64(pb, track->frag_info[i].time);
2526 avio_wb64(pb, track->frag_info[i].offset);
2527 avio_w8(pb, 1); /* traf number */
2528 avio_w8(pb, 1); /* trun number */
2529 avio_w8(pb, 1); /* sample number */
2532 return update_size(pb, pos);
2535 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2537 int64_t pos = avio_tell(pb);
2540 avio_wb32(pb, 0); /* size placeholder */
2541 ffio_wfourcc(pb, "mfra");
2542 /* An empty mfra atom is enough to indicate to the publishing point that
2543 * the stream has ended. */
2544 if (mov->flags & FF_MOV_FLAG_ISML)
2545 return update_size(pb, pos);
2547 for (i = 0; i < mov->nb_streams; i++) {
2548 MOVTrack *track = &mov->tracks[i];
2549 if (track->nb_frag_info)
2550 mov_write_tfra_tag(pb, track);
2554 ffio_wfourcc(pb, "mfro");
2555 avio_wb32(pb, 0); /* version + flags */
2556 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2558 return update_size(pb, pos);
2561 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2563 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2564 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2566 mov->mdat_pos = avio_tell(pb);
2567 avio_wb32(pb, 0); /* size placeholder*/
2568 ffio_wfourcc(pb, "mdat");
2572 /* TODO: This needs to be more general */
2573 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2575 MOVMuxContext *mov = s->priv_data;
2576 int64_t pos = avio_tell(pb);
2577 int has_h264 = 0, has_video = 0;
2581 for (i = 0; i < s->nb_streams; i++) {
2582 AVStream *st = s->streams[i];
2583 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2585 if (st->codec->codec_id == CODEC_ID_H264)
2589 avio_wb32(pb, 0); /* size */
2590 ffio_wfourcc(pb, "ftyp");
2592 if (mov->mode == MODE_3GP) {
2593 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2594 minor = has_h264 ? 0x100 : 0x200;
2595 } else if (mov->mode & MODE_3G2) {
2596 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2597 minor = has_h264 ? 0x20000 : 0x10000;
2598 }else if (mov->mode == MODE_PSP)
2599 ffio_wfourcc(pb, "MSNV");
2600 else if (mov->mode == MODE_MP4)
2601 ffio_wfourcc(pb, "isom");
2602 else if (mov->mode == MODE_IPOD)
2603 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2604 else if (mov->mode == MODE_ISM)
2605 ffio_wfourcc(pb, "isml");
2607 ffio_wfourcc(pb, "qt ");
2609 avio_wb32(pb, minor);
2611 if(mov->mode == MODE_MOV)
2612 ffio_wfourcc(pb, "qt ");
2613 else if (mov->mode == MODE_ISM) {
2614 ffio_wfourcc(pb, "piff");
2615 ffio_wfourcc(pb, "iso2");
2617 ffio_wfourcc(pb, "isom");
2618 ffio_wfourcc(pb, "iso2");
2620 ffio_wfourcc(pb, "avc1");
2623 if (mov->mode == MODE_3GP)
2624 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2625 else if (mov->mode & MODE_3G2)
2626 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2627 else if (mov->mode == MODE_PSP)
2628 ffio_wfourcc(pb, "MSNV");
2629 else if (mov->mode == MODE_MP4)
2630 ffio_wfourcc(pb, "mp41");
2631 return update_size(pb, pos);
2634 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2636 AVCodecContext *video_codec = s->streams[0]->codec;
2637 AVCodecContext *audio_codec = s->streams[1]->codec;
2638 int audio_rate = audio_codec->sample_rate;
2639 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2640 int audio_kbitrate = audio_codec->bit_rate / 1000;
2641 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2643 avio_wb32(pb, 0x94); /* size */
2644 ffio_wfourcc(pb, "uuid");
2645 ffio_wfourcc(pb, "PROF");
2647 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2648 avio_wb32(pb, 0xbb88695c);
2649 avio_wb32(pb, 0xfac9c740);
2651 avio_wb32(pb, 0x0); /* ? */
2652 avio_wb32(pb, 0x3); /* 3 sections ? */
2654 avio_wb32(pb, 0x14); /* size */
2655 ffio_wfourcc(pb, "FPRF");
2656 avio_wb32(pb, 0x0); /* ? */
2657 avio_wb32(pb, 0x0); /* ? */
2658 avio_wb32(pb, 0x0); /* ? */
2660 avio_wb32(pb, 0x2c); /* size */
2661 ffio_wfourcc(pb, "APRF");/* audio */
2663 avio_wb32(pb, 0x2); /* TrackID */
2664 ffio_wfourcc(pb, "mp4a");
2665 avio_wb32(pb, 0x20f);
2667 avio_wb32(pb, audio_kbitrate);
2668 avio_wb32(pb, audio_kbitrate);
2669 avio_wb32(pb, audio_rate);
2670 avio_wb32(pb, audio_codec->channels);
2672 avio_wb32(pb, 0x34); /* size */
2673 ffio_wfourcc(pb, "VPRF"); /* video */
2675 avio_wb32(pb, 0x1); /* TrackID */
2676 if (video_codec->codec_id == CODEC_ID_H264) {
2677 ffio_wfourcc(pb, "avc1");
2678 avio_wb16(pb, 0x014D);
2679 avio_wb16(pb, 0x0015);
2681 ffio_wfourcc(pb, "mp4v");
2682 avio_wb16(pb, 0x0000);
2683 avio_wb16(pb, 0x0103);
2686 avio_wb32(pb, video_kbitrate);
2687 avio_wb32(pb, video_kbitrate);
2688 avio_wb32(pb, frame_rate);
2689 avio_wb32(pb, frame_rate);
2690 avio_wb16(pb, video_codec->width);
2691 avio_wb16(pb, video_codec->height);
2692 avio_wb32(pb, 0x010001); /* ? */
2695 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2698 int i, closed_gop = 0;
2700 for (i = 0; i < pkt->size - 4; i++) {
2701 c = (c<<8) + pkt->data[i];
2702 if (c == 0x1b8) { // gop
2703 closed_gop = pkt->data[i+4]>>6 & 0x01;
2704 } else if (c == 0x100) { // pic
2705 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2706 if (!temp_ref || closed_gop) // I picture is not reordered
2707 *flags = MOV_SYNC_SAMPLE;
2709 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2716 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2718 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2719 int seq = 0, entry = 0;
2720 int key = pkt->flags & AV_PKT_FLAG_KEY;
2721 start = find_next_marker(pkt->data, end);
2722 for (next = start; next < end; start = next) {
2723 next = find_next_marker(start + 4, end);
2724 switch (AV_RB32(start)) {
2725 case VC1_CODE_SEQHDR:
2728 case VC1_CODE_ENTRYPOINT:
2731 case VC1_CODE_SLICE:
2732 trk->vc1_info.slices = 1;
2736 if (!trk->entry && !fragment) {
2737 /* First packet in first fragment */
2738 trk->vc1_info.first_packet_seq = seq;
2739 trk->vc1_info.first_packet_entry = entry;
2740 } else if ((seq && !trk->vc1_info.packet_seq) ||
2741 (entry && !trk->vc1_info.packet_entry)) {
2743 for (i = 0; i < trk->entry; i++)
2744 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2745 trk->has_keyframes = 0;
2747 trk->vc1_info.packet_seq = 1;
2749 trk->vc1_info.packet_entry = 1;
2751 /* First fragment */
2752 if ((!seq || trk->vc1_info.first_packet_seq) &&
2753 (!entry || trk->vc1_info.first_packet_entry)) {
2754 /* First packet had the same headers as this one, readd the
2755 * sync sample flag. */
2756 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2757 trk->has_keyframes = 1;
2761 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2763 else if (trk->vc1_info.packet_seq)
2765 else if (trk->vc1_info.packet_entry)
2768 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2769 trk->has_keyframes++;
2773 static int mov_flush_fragment(AVFormatContext *s)
2775 MOVMuxContext *mov = s->priv_data;
2776 int i, first_track = -1;
2777 int64_t mdat_size = 0;
2779 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2782 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2783 int64_t pos = avio_tell(s->pb);
2785 AVIOContext *moov_buf;
2789 for (i = 0; i < mov->nb_streams; i++)
2790 if (!mov->tracks[i].entry)
2792 /* Don't write the initial moov unless all tracks have data */
2793 if (i < mov->nb_streams)
2796 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2798 mov_write_moov_tag(moov_buf, mov, s);
2799 buf_size = avio_close_dyn_buf(moov_buf, &buf);
2801 for (i = 0; i < mov->nb_streams; i++)
2802 mov->tracks[i].data_offset = pos + buf_size + 8;
2804 mov_write_moov_tag(s->pb, mov, s);
2806 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2807 mov->mdat_buf = NULL;
2808 avio_wb32(s->pb, buf_size + 8);
2809 ffio_wfourcc(s->pb, "mdat");
2810 avio_write(s->pb, buf, buf_size);
2815 for (i = 0; i < mov->nb_streams; i++) {
2816 if (mov->tracks[i].entry)
2817 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2818 mov->tracks[i].track_duration -
2819 mov->tracks[i].cluster[0].dts;
2820 mov->tracks[i].entry = 0;
2826 for (i = 0; i < mov->nb_streams; i++) {
2827 MOVTrack *track = &mov->tracks[i];
2828 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2829 track->data_offset = 0;
2831 track->data_offset = mdat_size;
2832 if (!track->mdat_buf)
2834 mdat_size += avio_tell(track->mdat_buf);
2835 if (first_track < 0)
2842 for (i = 0; i < mov->nb_streams; i++) {
2843 MOVTrack *track = &mov->tracks[i];
2844 int buf_size, write_moof = 1, moof_tracks = -1;
2846 int64_t duration = 0;
2849 duration = track->start_dts + track->track_duration -
2850 track->cluster[0].dts;
2851 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2852 if (!track->mdat_buf)
2854 mdat_size = avio_tell(track->mdat_buf);
2857 write_moof = i == first_track;
2861 MOVFragmentInfo *info;
2863 track->nb_frag_info++;
2864 track->frag_info = av_realloc(track->frag_info,
2865 sizeof(*track->frag_info) *
2866 track->nb_frag_info);
2867 info = &track->frag_info[track->nb_frag_info - 1];
2868 info->offset = avio_tell(s->pb);
2869 info->time = mov->tracks[i].frag_start;
2870 info->duration = duration;
2871 mov_write_tfrf_tags(s->pb, mov, track);
2873 mov_write_moof_tag(s->pb, mov, moof_tracks);
2874 info->tfrf_offset = track->tfrf_offset;
2877 avio_wb32(s->pb, mdat_size + 8);
2878 ffio_wfourcc(s->pb, "mdat");
2882 track->frag_start += duration;
2884 if (!track->mdat_buf)
2886 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2887 track->mdat_buf = NULL;
2889 avio_write(s->pb, buf, buf_size);
2899 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2901 MOVMuxContext *mov = s->priv_data;
2902 AVIOContext *pb = s->pb;
2903 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2904 AVCodecContext *enc = trk->enc;
2905 unsigned int samples_in_chunk = 0;
2906 int size= pkt->size;
2907 uint8_t *reformatted_data = NULL;
2909 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2911 if (mov->fragments > 0) {
2912 if (!trk->mdat_buf) {
2913 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2918 if (!mov->mdat_buf) {
2919 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2926 if (enc->codec_id == CODEC_ID_AMR_NB) {
2927 /* We must find out how many AMR blocks there are in one packet */
2928 static uint16_t packed_size[16] =
2929 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2932 while (len < size && samples_in_chunk < 100) {
2933 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2936 if (samples_in_chunk > 1) {
2937 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2940 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2941 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2942 samples_in_chunk = enc->frame_size;
2943 } else if (trk->sample_size)
2944 samples_in_chunk = size / trk->sample_size;
2946 samples_in_chunk = 1;
2948 /* copy extradata if it exists */
2949 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2950 trk->vos_len = enc->extradata_size;
2951 trk->vos_data = av_malloc(trk->vos_len);
2952 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2955 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2956 /* from x264 or from bytestream h264 */
2957 /* nal reformating needed */
2958 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2959 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2961 avio_write(pb, reformatted_data, size);
2963 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2965 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2966 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2967 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2970 avio_write(pb, pkt->data, size);
2973 if ((enc->codec_id == CODEC_ID_DNXHD ||
2974 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2975 /* copy frame to create needed atoms */
2976 trk->vos_len = size;
2977 trk->vos_data = av_malloc(size);
2979 return AVERROR(ENOMEM);
2980 memcpy(trk->vos_data, pkt->data, size);
2983 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2984 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2989 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2990 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2991 trk->cluster[trk->entry].chunkNum = 0;
2992 trk->cluster[trk->entry].size = size;
2993 trk->cluster[trk->entry].entries = samples_in_chunk;
2994 trk->cluster[trk->entry].dts = pkt->dts;
2995 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2996 /* First packet of a new fragment. We already wrote the duration
2997 * of the last packet of the previous fragment based on track_duration,
2998 * which might not exactly match our dts. Therefore adjust the dts
2999 * of this packet to be what the previous packets duration implies. */
3000 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3002 if (trk->start_dts == AV_NOPTS_VALUE)
3003 trk->start_dts = pkt->dts;
3004 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3006 if (pkt->pts == AV_NOPTS_VALUE) {
3007 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3008 pkt->pts = pkt->dts;
3010 if (pkt->dts != pkt->pts)
3011 trk->flags |= MOV_TRACK_CTTS;
3012 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3013 trk->cluster[trk->entry].flags = 0;
3014 if (enc->codec_id == CODEC_ID_VC1) {
3015 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3016 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3017 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
3018 trk->entry > 0) { // force sync sample for the first key frame
3019 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3020 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3021 trk->flags |= MOV_TRACK_STPS;
3023 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3025 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3026 trk->has_keyframes++;
3029 trk->sample_count += samples_in_chunk;
3030 mov->mdat_size += size;
3034 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3035 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3036 reformatted_data, size);
3037 av_free(reformatted_data);
3041 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3044 mov_flush_fragment(s);
3047 MOVMuxContext *mov = s->priv_data;
3048 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3049 AVCodecContext *enc = trk->enc;
3050 int64_t frag_duration = 0;
3051 int size = pkt->size;
3053 if (!pkt->size) return 0; /* Discard 0 sized packets */
3055 if (trk->entry && pkt->stream_index < s->nb_streams)
3056 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3057 s->streams[pkt->stream_index]->time_base,
3059 if ((mov->max_fragment_duration &&
3060 frag_duration >= mov->max_fragment_duration) ||
3061 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3062 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3063 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3064 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3065 if (frag_duration >= mov->min_fragment_duration)
3066 mov_flush_fragment(s);
3069 return ff_mov_write_packet(s, pkt);
3073 // QuickTime chapters involve an additional text track with the chapter names
3074 // as samples, and a tref pointing from the other tracks to the chapter one.
3075 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3079 MOVMuxContext *mov = s->priv_data;
3080 MOVTrack *track = &mov->tracks[tracknum];
3081 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3084 track->mode = mov->mode;
3085 track->tag = MKTAG('t','e','x','t');
3086 track->timescale = MOV_TIMESCALE;
3087 track->enc = avcodec_alloc_context3(NULL);
3088 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3090 if (avio_open_dyn_buf(&pb) >= 0) {
3094 /* Stub header (usually for Quicktime chapter track) */
3096 avio_wb32(pb, 0x01); // displayFlags
3097 avio_w8(pb, 0x00); // horizontal justification
3098 avio_w8(pb, 0x00); // vertical justification
3099 avio_w8(pb, 0x00); // bgColourRed
3100 avio_w8(pb, 0x00); // bgColourGreen
3101 avio_w8(pb, 0x00); // bgColourBlue
3102 avio_w8(pb, 0x00); // bgColourAlpha
3104 avio_wb16(pb, 0x00); // defTextBoxTop
3105 avio_wb16(pb, 0x00); // defTextBoxLeft
3106 avio_wb16(pb, 0x00); // defTextBoxBottom
3107 avio_wb16(pb, 0x00); // defTextBoxRight
3109 avio_wb16(pb, 0x00); // startChar
3110 avio_wb16(pb, 0x00); // endChar
3111 avio_wb16(pb, 0x01); // fontID
3112 avio_w8(pb, 0x00); // fontStyleFlags
3113 avio_w8(pb, 0x00); // fontSize
3114 avio_w8(pb, 0x00); // fgColourRed
3115 avio_w8(pb, 0x00); // fgColourGreen
3116 avio_w8(pb, 0x00); // fgColourBlue
3117 avio_w8(pb, 0x00); // fgColourAlpha
3119 avio_wb32(pb, 0x0D); // box size
3120 ffio_wfourcc(pb, "ftab"); // box atom name
3121 avio_wb16(pb, 0x01); // entry count
3123 avio_wb16(pb, 0x01); // font ID
3124 avio_w8(pb, 0x00); // font name length
3126 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3127 track->enc->extradata = buf;
3128 track->enc->extradata_size = size;
3134 for (i = 0; i < s->nb_chapters; i++) {
3135 AVChapter *c = s->chapters[i];
3136 AVDictionaryEntry *t;
3138 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3139 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3140 pkt.duration = end - pkt.dts;
3142 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3143 len = strlen(t->value);
3145 pkt.data = av_malloc(pkt.size);
3146 AV_WB16(pkt.data, len);
3147 memcpy(pkt.data+2, t->value, len);
3148 ff_mov_write_packet(s, &pkt);
3149 av_freep(&pkt.data);
3154 static int mov_write_header(AVFormatContext *s)
3156 AVIOContext *pb = s->pb;
3157 MOVMuxContext *mov = s->priv_data;
3158 AVDictionaryEntry *t;
3159 int i, hint_track = 0;
3161 /* Set the FRAGMENT flag if any of the fragmentation methods are
3163 if (mov->max_fragment_duration || mov->max_fragment_size ||
3164 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3165 FF_MOV_FLAG_FRAG_KEYFRAME |
3166 FF_MOV_FLAG_FRAG_CUSTOM))
3167 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3169 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3170 * is enabled, we don't support non-seekable output at all. */
3171 if (!s->pb->seekable &&
3172 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3173 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3174 || mov->ism_lookahead)) {
3175 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3179 /* Default mode == MP4 */
3180 mov->mode = MODE_MP4;
3182 if (s->oformat != NULL) {
3183 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3184 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3185 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3186 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3187 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3188 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3190 mov_write_ftyp_tag(pb,s);
3191 if (mov->mode == MODE_PSP) {
3192 if (s->nb_streams != 2) {
3193 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3196 mov_write_uuidprof_tag(pb,s);
3200 mov->nb_streams = s->nb_streams;
3201 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3202 mov->chapter_track = mov->nb_streams++;
3204 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3205 /* Add hint tracks for each audio and video stream */
3206 hint_track = mov->nb_streams;
3207 for (i = 0; i < s->nb_streams; i++) {
3208 AVStream *st = s->streams[i];
3209 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3210 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3216 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3218 return AVERROR(ENOMEM);
3220 for(i=0; i<s->nb_streams; i++){
3221 AVStream *st= s->streams[i];
3222 MOVTrack *track= &mov->tracks[i];
3223 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3225 track->enc = st->codec;
3226 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3227 if (track->language < 0)
3228 track->language = 0;
3229 track->mode = mov->mode;
3230 track->tag = mov_find_codec_tag(s, track);
3232 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3233 "codec not currently supported in container\n", i);
3236 /* If hinting of this track is enabled by a later hint track,
3237 * this is updated. */
3238 track->hint_track = -1;
3239 track->start_dts = AV_NOPTS_VALUE;
3240 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3241 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3242 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3243 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3244 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3245 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3248 track->height = track->tag>>24 == 'n' ? 486 : 576;
3250 track->timescale = st->codec->time_base.den;
3251 if (track->mode == MODE_MOV && track->timescale > 100000)
3252 av_log(s, AV_LOG_WARNING,
3253 "WARNING codec timebase is very high. If duration is too long,\n"
3254 "file may not be playable by quicktime. Specify a shorter timebase\n"
3255 "or choose different container.\n");
3256 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3257 track->timescale = st->codec->sample_rate;
3258 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3259 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3260 track->audio_vbr = 1;
3261 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3262 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3263 if (!st->codec->block_align) {
3264 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3267 track->sample_size = st->codec->block_align;
3268 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3269 track->audio_vbr = 1;
3271 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3273 if (track->mode != MODE_MOV &&
3274 track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3275 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3276 i, track->enc->sample_rate);
3279 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3280 track->timescale = st->codec->time_base.den;
3282 track->timescale = MOV_TIMESCALE;
3285 track->height = st->codec->height;
3286 /* The ism specific timescale isn't mandatory, but is assumed by
3287 * some tools, such as mp4split. */
3288 if (mov->mode == MODE_ISM)
3289 track->timescale = 10000000;
3291 avpriv_set_pts_info(st, 64, 1, track->timescale);
3293 /* copy extradata if it exists */
3294 if (st->codec->extradata_size) {
3295 track->vos_len = st->codec->extradata_size;
3296 track->vos_data = av_malloc(track->vos_len);
3297 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3301 if (mov->mode == MODE_ISM) {
3302 /* If no fragmentation options have been set, set a default. */
3303 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3304 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3305 !mov->max_fragment_duration && !mov->max_fragment_size)
3306 mov->max_fragment_duration = 5000000;
3307 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3308 FF_MOV_FLAG_FRAGMENT;
3311 if(mov->reserved_moov_size){
3312 mov->reserved_moov_pos= avio_tell(pb);
3313 avio_skip(pb, mov->reserved_moov_size);
3316 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3317 mov_write_mdat_tag(pb, mov);
3319 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3320 mov->time = ff_iso8601_to_unix_time(t->value);
3322 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3324 if (mov->chapter_track)
3325 mov_create_chapter_track(s, mov->chapter_track);
3327 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3328 /* Initialize the hint tracks for each audio and video stream */
3329 for (i = 0; i < s->nb_streams; i++) {
3330 AVStream *st = s->streams[i];
3331 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3332 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3333 ff_mov_init_hinting(s, hint_track, i);
3341 if (mov->flags & FF_MOV_FLAG_ISML)
3342 mov_write_isml_manifest(pb, mov);
3344 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3345 mov_write_moov_tag(pb, mov, s);
3351 av_freep(&mov->tracks);
3355 static int mov_write_trailer(AVFormatContext *s)
3357 MOVMuxContext *mov = s->priv_data;
3358 AVIOContext *pb = s->pb;
3362 int64_t moov_pos = avio_tell(pb);
3364 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3365 /* Write size of mdat tag */
3366 if (mov->mdat_size + 8 <= UINT32_MAX) {
3367 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3368 avio_wb32(pb, mov->mdat_size + 8);
3370 /* overwrite 'wide' placeholder atom */
3371 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3372 /* special value: real atom size will be 64 bit value after
3375 ffio_wfourcc(pb, "mdat");
3376 avio_wb64(pb, mov->mdat_size + 16);
3378 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3380 mov_write_moov_tag(pb, mov, s);
3381 if(mov->reserved_moov_size){
3382 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3384 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3387 avio_wb32(pb, size);
3388 ffio_wfourcc(pb, "free");
3389 for(i=0; i<size; i++)
3391 avio_seek(pb, moov_pos, SEEK_SET);
3394 mov_flush_fragment(s);
3395 mov_write_mfra_tag(pb, mov);
3398 if (mov->chapter_track)
3399 av_freep(&mov->tracks[mov->chapter_track].enc);
3401 for (i=0; i<mov->nb_streams; i++) {
3402 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3403 ff_mov_close_hinting(&mov->tracks[i]);
3404 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3405 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3406 int64_t off = avio_tell(pb);
3408 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3409 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3410 avio_write(pb, buf, 7);
3411 avio_seek(pb, off, SEEK_SET);
3414 av_freep(&mov->tracks[i].cluster);
3415 av_freep(&mov->tracks[i].frag_info);
3417 if (mov->tracks[i].vos_len)
3418 av_free(mov->tracks[i].vos_data);
3424 av_freep(&mov->tracks);
3429 #if CONFIG_MOV_MUXER
3431 AVOutputFormat ff_mov_muxer = {
3433 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3434 .extensions = "mov",
3435 .priv_data_size = sizeof(MOVMuxContext),
3436 .audio_codec = CODEC_ID_AAC,
3437 #if CONFIG_LIBX264_ENCODER
3438 .video_codec = CODEC_ID_H264,
3440 .video_codec = CODEC_ID_MPEG4,
3442 .write_header = mov_write_header,
3443 .write_packet = mov_write_packet,
3444 .write_trailer = mov_write_trailer,
3445 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3446 .codec_tag = (const AVCodecTag* const []){
3447 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3449 .priv_class = &mov_muxer_class,
3452 #if CONFIG_TGP_MUXER
3454 AVOutputFormat ff_tgp_muxer = {
3456 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3457 .extensions = "3gp",
3458 .priv_data_size = sizeof(MOVMuxContext),
3459 .audio_codec = CODEC_ID_AMR_NB,
3460 .video_codec = CODEC_ID_H263,
3461 .write_header = mov_write_header,
3462 .write_packet = mov_write_packet,
3463 .write_trailer = mov_write_trailer,
3464 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3465 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3466 .priv_class = &tgp_muxer_class,
3469 #if CONFIG_MP4_MUXER
3471 AVOutputFormat ff_mp4_muxer = {
3473 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3474 .mime_type = "application/mp4",
3475 .extensions = "mp4",
3476 .priv_data_size = sizeof(MOVMuxContext),
3477 .audio_codec = CODEC_ID_AAC,
3478 #if CONFIG_LIBX264_ENCODER
3479 .video_codec = CODEC_ID_H264,
3481 .video_codec = CODEC_ID_MPEG4,
3483 .write_header = mov_write_header,
3484 .write_packet = mov_write_packet,
3485 .write_trailer = mov_write_trailer,
3486 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3487 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3488 .priv_class = &mp4_muxer_class,
3491 #if CONFIG_PSP_MUXER
3493 AVOutputFormat ff_psp_muxer = {
3495 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3496 .extensions = "mp4,psp",
3497 .priv_data_size = sizeof(MOVMuxContext),
3498 .audio_codec = CODEC_ID_AAC,
3499 #if CONFIG_LIBX264_ENCODER
3500 .video_codec = CODEC_ID_H264,
3502 .video_codec = CODEC_ID_MPEG4,
3504 .write_header = mov_write_header,
3505 .write_packet = mov_write_packet,
3506 .write_trailer = mov_write_trailer,
3507 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3508 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3509 .priv_class = &psp_muxer_class,
3512 #if CONFIG_TG2_MUXER
3514 AVOutputFormat ff_tg2_muxer = {
3516 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3517 .extensions = "3g2",
3518 .priv_data_size = sizeof(MOVMuxContext),
3519 .audio_codec = CODEC_ID_AMR_NB,
3520 .video_codec = CODEC_ID_H263,
3521 .write_header = mov_write_header,
3522 .write_packet = mov_write_packet,
3523 .write_trailer = mov_write_trailer,
3524 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3525 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3526 .priv_class = &tg2_muxer_class,
3529 #if CONFIG_IPOD_MUXER
3531 AVOutputFormat ff_ipod_muxer = {
3533 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3534 .mime_type = "application/mp4",
3535 .extensions = "m4v,m4a",
3536 .priv_data_size = sizeof(MOVMuxContext),
3537 .audio_codec = CODEC_ID_AAC,
3538 .video_codec = CODEC_ID_H264,
3539 .write_header = mov_write_header,
3540 .write_packet = mov_write_packet,
3541 .write_trailer = mov_write_trailer,
3542 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3543 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3544 .priv_class = &ipod_muxer_class,
3547 #if CONFIG_ISMV_MUXER
3549 AVOutputFormat ff_ismv_muxer = {
3551 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3552 .mime_type = "application/mp4",
3553 .extensions = "ismv,isma",
3554 .priv_data_size = sizeof(MOVMuxContext),
3555 .audio_codec = CODEC_ID_AAC,
3556 .video_codec = CODEC_ID_H264,
3557 .write_header = mov_write_header,
3558 .write_packet = mov_write_packet,
3559 .write_trailer = mov_write_trailer,
3560 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3561 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3562 .priv_class = &ismv_muxer_class,