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, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = 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, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "faststart", "Run a second pass to put the moov at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
57 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
58 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
59 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
60 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
62 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
63 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
64 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
68 #define MOV_CLASS(flavor)\
69 static const AVClass flavor ## _muxer_class = {\
70 .class_name = #flavor " muxer",\
71 .item_name = av_default_item_name,\
73 .version = LIBAVUTIL_VERSION_INT,\
76 //FIXME support 64 bit variant with wide placeholders
77 static int64_t update_size(AVIOContext *pb, int64_t pos)
79 int64_t curpos = avio_tell(pb);
80 avio_seek(pb, pos, SEEK_SET);
81 avio_wb32(pb, curpos - pos); /* rewrite size */
82 avio_seek(pb, curpos, SEEK_SET);
87 static int supports_edts(MOVMuxContext *mov)
89 // EDTS with fragments is tricky as we dont know the duration when its written
90 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
93 static int is_co64_required(const MOVTrack *track)
97 for (i = 0; i < track->entry; i++) {
98 if (!track->cluster[i].chunkNum)
100 if (track->cluster[i].pos + track->data_offset > UINT32_MAX)
106 /* Chunk offset atom */
107 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
110 int mode64 = is_co64_required(track); // use 32 bit size variant if possible
111 int64_t pos = avio_tell(pb);
112 avio_wb32(pb, 0); /* size */
114 ffio_wfourcc(pb, "co64");
116 ffio_wfourcc(pb, "stco");
117 avio_wb32(pb, 0); /* version & flags */
118 avio_wb32(pb, track->chunkCount); /* entry count */
119 for (i=0; i<track->entry; i++) {
120 if(!track->cluster[i].chunkNum)
123 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
125 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
127 return update_size(pb, pos);
130 /* Sample size atom */
131 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
134 int i, j, entries = 0, tst = -1, oldtst = -1;
136 int64_t pos = avio_tell(pb);
137 avio_wb32(pb, 0); /* size */
138 ffio_wfourcc(pb, "stsz");
139 avio_wb32(pb, 0); /* version & flags */
141 for (i=0; i<track->entry; i++) {
142 tst = track->cluster[i].size/track->cluster[i].entries;
143 if(oldtst != -1 && tst != oldtst) {
147 entries += track->cluster[i].entries;
149 if (equalChunks && track->entry) {
150 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
151 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
152 avio_wb32(pb, sSize); // sample size
153 avio_wb32(pb, entries); // sample count
156 avio_wb32(pb, 0); // sample size
157 avio_wb32(pb, entries); // sample count
158 for (i=0; i<track->entry; i++) {
159 for (j=0; j<track->cluster[i].entries; j++) {
160 avio_wb32(pb, track->cluster[i].size /
161 track->cluster[i].entries);
165 return update_size(pb, pos);
168 /* Sample to chunk atom */
169 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
171 int index = 0, oldval = -1, i;
172 int64_t entryPos, curpos;
174 int64_t pos = avio_tell(pb);
175 avio_wb32(pb, 0); /* size */
176 ffio_wfourcc(pb, "stsc");
177 avio_wb32(pb, 0); // version & flags
178 entryPos = avio_tell(pb);
179 avio_wb32(pb, track->chunkCount); // entry count
180 for (i=0; i<track->entry; i++) {
181 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
183 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
184 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
185 avio_wb32(pb, 0x1); // sample description index
186 oldval = track->cluster[i].samples_in_chunk;
190 curpos = avio_tell(pb);
191 avio_seek(pb, entryPos, SEEK_SET);
192 avio_wb32(pb, index); // rewrite size
193 avio_seek(pb, curpos, SEEK_SET);
195 return update_size(pb, pos);
198 /* Sync sample atom */
199 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
201 int64_t curpos, entryPos;
203 int64_t pos = avio_tell(pb);
204 avio_wb32(pb, 0); // size
205 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
206 avio_wb32(pb, 0); // version & flags
207 entryPos = avio_tell(pb);
208 avio_wb32(pb, track->entry); // entry count
209 for (i=0; i<track->entry; i++) {
210 if (track->cluster[i].flags & flag) {
215 curpos = avio_tell(pb);
216 avio_seek(pb, entryPos, SEEK_SET);
217 avio_wb32(pb, index); // rewrite size
218 avio_seek(pb, curpos, SEEK_SET);
219 return update_size(pb, pos);
222 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
224 avio_wb32(pb, 0x11); /* size */
225 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
226 else ffio_wfourcc(pb, "damr");
227 ffio_wfourcc(pb, "FFMP");
228 avio_w8(pb, 0); /* decoder version */
230 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
231 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
232 avio_w8(pb, 0x01); /* Frames per sample */
236 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
241 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
243 if (track->vos_len < 7)
247 ffio_wfourcc(pb, "dac3");
249 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
250 fscod = get_bits(&gbc, 2);
251 frmsizecod = get_bits(&gbc, 6);
252 bsid = get_bits(&gbc, 5);
253 bsmod = get_bits(&gbc, 3);
254 acmod = get_bits(&gbc, 3);
256 skip_bits(&gbc, 2); // dsurmod
258 if ((acmod & 1) && acmod != 1)
259 skip_bits(&gbc, 2); // cmixlev
261 skip_bits(&gbc, 2); // surmixlev
263 lfeon = get_bits1(&gbc);
265 init_put_bits(&pbc, buf, sizeof(buf));
266 put_bits(&pbc, 2, fscod);
267 put_bits(&pbc, 5, bsid);
268 put_bits(&pbc, 3, bsmod);
269 put_bits(&pbc, 3, acmod);
270 put_bits(&pbc, 1, lfeon);
271 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
272 put_bits(&pbc, 5, 0); // reserved
274 flush_put_bits(&pbc);
275 avio_write(pb, buf, sizeof(buf));
281 * This function writes extradata "as is".
282 * Extradata must be formatted like a valid atom (with size and tag).
284 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
286 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
287 return track->enc->extradata_size;
290 static int mov_write_enda_tag(AVIOContext *pb)
293 ffio_wfourcc(pb, "enda");
294 avio_wb16(pb, 1); /* little endian */
298 static int mov_write_enda_tag_be(AVIOContext *pb)
301 ffio_wfourcc(pb, "enda");
302 avio_wb16(pb, 0); /* big endian */
306 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
311 avio_w8(pb, (size>>(7*i)) | 0x80);
312 avio_w8(pb, size & 0x7F);
315 static unsigned compute_avg_bitrate(MOVTrack *track)
319 if (!track->track_duration)
321 for (i = 0; i < track->entry; i++)
322 size += track->cluster[i].size;
323 return size * 8 * track->timescale / track->track_duration;
326 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
328 int64_t pos = avio_tell(pb);
329 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
330 unsigned avg_bitrate;
332 avio_wb32(pb, 0); // size
333 ffio_wfourcc(pb, "esds");
334 avio_wb32(pb, 0); // Version
337 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
338 avio_wb16(pb, track->track_id);
339 avio_w8(pb, 0x00); // flags (= no flags)
341 // DecoderConfig descriptor
342 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
344 // Object type indication
345 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
346 track->enc->codec_id == AV_CODEC_ID_MP3) &&
347 track->enc->sample_rate > 24000)
348 avio_w8(pb, 0x6B); // 11172-3
350 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
352 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
353 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
354 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
355 avio_w8(pb, 0x15); // flags (= Audiostream)
357 avio_w8(pb, 0x11); // flags (= Visualstream)
359 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
360 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
362 avg_bitrate = compute_avg_bitrate(track);
363 // maxbitrate (FIXME should be max rate in any 1 sec window)
364 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
365 avio_wb32(pb, avg_bitrate);
367 if (track->vos_len) {
368 // DecoderSpecific info descriptor
369 put_descr(pb, 0x05, track->vos_len);
370 avio_write(pb, track->vos_data, track->vos_len);
374 put_descr(pb, 0x06, 1);
376 return update_size(pb, pos);
379 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
381 return codec_id == AV_CODEC_ID_PCM_S24LE ||
382 codec_id == AV_CODEC_ID_PCM_S32LE ||
383 codec_id == AV_CODEC_ID_PCM_F32LE ||
384 codec_id == AV_CODEC_ID_PCM_F64LE;
387 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
389 return codec_id == AV_CODEC_ID_PCM_S24BE ||
390 codec_id == AV_CODEC_ID_PCM_S32BE ||
391 codec_id == AV_CODEC_ID_PCM_F32BE ||
392 codec_id == AV_CODEC_ID_PCM_F64BE;
395 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
397 int64_t pos = avio_tell(pb);
399 avio_wl32(pb, track->tag); // store it byteswapped
400 track->enc->codec_tag = av_bswap16(track->tag >> 16);
401 ff_put_wav_header(pb, track->enc);
402 return update_size(pb, pos);
405 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
407 int64_t pos = avio_tell(pb);
409 ffio_wfourcc(pb, "wfex");
410 ff_put_wav_header(pb, track->enc);
411 return update_size(pb, pos);
414 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
416 uint32_t layout_tag, bitmap;
417 int64_t pos = avio_tell(pb);
419 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
420 track->enc->channel_layout,
423 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
424 "lack of channel information\n");
428 avio_wb32(pb, 0); // Size
429 ffio_wfourcc(pb, "chan"); // Type
430 avio_w8(pb, 0); // Version
431 avio_wb24(pb, 0); // Flags
432 avio_wb32(pb, layout_tag); // mChannelLayoutTag
433 avio_wb32(pb, bitmap); // mChannelBitmap
434 avio_wb32(pb, 0); // mNumberChannelDescriptions
436 return update_size(pb, pos);
439 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
441 int64_t pos = avio_tell(pb);
443 avio_wb32(pb, 0); /* size */
444 ffio_wfourcc(pb, "wave");
446 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
447 avio_wb32(pb, 12); /* size */
448 ffio_wfourcc(pb, "frma");
449 avio_wl32(pb, track->tag);
452 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
453 /* useless atom needed by mplayer, ipod, not needed by quicktime */
454 avio_wb32(pb, 12); /* size */
455 ffio_wfourcc(pb, "mp4a");
457 mov_write_esds_tag(pb, track);
458 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
459 mov_write_enda_tag(pb);
460 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
461 mov_write_enda_tag_be(pb);
462 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
463 mov_write_amr_tag(pb, track);
464 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
465 mov_write_ac3_tag(pb, track);
466 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
467 track->enc->codec_id == AV_CODEC_ID_QDM2) {
468 mov_write_extradata_tag(pb, track);
469 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
470 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
471 mov_write_ms_tag(pb, track);
474 avio_wb32(pb, 8); /* size */
475 avio_wb32(pb, 0); /* null tag */
477 return update_size(pb, pos);
480 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
483 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
484 int unescaped_size, seq_found = 0;
485 int level = 0, interlace = 0;
486 int packet_seq = track->vc1_info.packet_seq;
487 int packet_entry = track->vc1_info.packet_entry;
488 int slices = track->vc1_info.slices;
491 if (track->start_dts == AV_NOPTS_VALUE) {
492 /* No packets written yet, vc1_info isn't authoritative yet. */
493 /* Assume inline sequence and entry headers. This will be
494 * overwritten at the end if the file is seekable. */
495 packet_seq = packet_entry = 1;
498 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
500 return AVERROR(ENOMEM);
501 start = find_next_marker(track->vos_data, end);
502 for (next = start; next < end; start = next) {
505 next = find_next_marker(start + 4, end);
506 size = next - start - 4;
509 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
510 init_get_bits(&gb, unescaped, 8 * unescaped_size);
511 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
512 int profile = get_bits(&gb, 2);
513 if (profile != PROFILE_ADVANCED) {
515 return AVERROR(ENOSYS);
518 level = get_bits(&gb, 3);
519 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
521 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
522 skip_bits(&gb, 1); /* broadcast */
523 interlace = get_bits1(&gb);
524 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
529 return AVERROR(ENOSYS);
532 init_put_bits(&pbc, buf, 7);
533 /* VC1DecSpecStruc */
534 put_bits(&pbc, 4, 12); /* profile - advanced */
535 put_bits(&pbc, 3, level);
536 put_bits(&pbc, 1, 0); /* reserved */
537 /* VC1AdvDecSpecStruc */
538 put_bits(&pbc, 3, level);
539 put_bits(&pbc, 1, 0); /* cbr */
540 put_bits(&pbc, 6, 0); /* reserved */
541 put_bits(&pbc, 1, !interlace); /* no interlace */
542 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
543 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
544 put_bits(&pbc, 1, !slices); /* no slice code */
545 put_bits(&pbc, 1, 0); /* no bframe */
546 put_bits(&pbc, 1, 0); /* reserved */
547 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
548 flush_put_bits(&pbc);
555 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
557 uint8_t buf[7] = { 0 };
560 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
563 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
564 ffio_wfourcc(pb, "dvc1");
565 track->vc1_info.struct_offset = avio_tell(pb);
566 avio_write(pb, buf, sizeof(buf));
567 avio_write(pb, track->vos_data, track->vos_len);
572 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
574 avio_wb32(pb, track->vos_len + 8);
575 ffio_wfourcc(pb, "glbl");
576 avio_write(pb, track->vos_data, track->vos_len);
577 return 8 + track->vos_len;
581 * Compute flags for 'lpcm' tag.
582 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
584 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
587 case AV_CODEC_ID_PCM_F32BE:
588 case AV_CODEC_ID_PCM_F64BE:
590 case AV_CODEC_ID_PCM_F32LE:
591 case AV_CODEC_ID_PCM_F64LE:
593 case AV_CODEC_ID_PCM_U8:
595 case AV_CODEC_ID_PCM_S16BE:
596 case AV_CODEC_ID_PCM_S24BE:
597 case AV_CODEC_ID_PCM_S32BE:
599 case AV_CODEC_ID_PCM_S8:
600 case AV_CODEC_ID_PCM_S16LE:
601 case AV_CODEC_ID_PCM_S24LE:
602 case AV_CODEC_ID_PCM_S32LE:
609 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
613 if (cluster_idx >= track->entry)
616 if (cluster_idx + 1 == track->entry)
617 next_dts = track->track_duration + track->start_dts;
619 next_dts = track->cluster[cluster_idx + 1].dts;
621 return next_dts - track->cluster[cluster_idx].dts;
624 static int get_samples_per_packet(MOVTrack *track)
626 int i, first_duration;
628 // return track->enc->frame_size;
630 /* use 1 for raw PCM */
631 if (!track->audio_vbr)
634 /* check to see if duration is constant for all clusters */
637 first_duration = get_cluster_duration(track, 0);
638 for (i = 1; i < track->entry; i++) {
639 if (get_cluster_duration(track, i) != first_duration)
642 return first_duration;
645 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
647 int64_t pos = avio_tell(pb);
649 uint32_t tag = track->tag;
651 if (track->mode == MODE_MOV) {
652 if (track->timescale > UINT16_MAX) {
653 if (mov_get_lpcm_flags(track->enc->codec_id))
654 tag = AV_RL32("lpcm");
656 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
657 mov_pcm_be_gt16(track->enc->codec_id) ||
658 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
659 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
660 track->enc->codec_id == AV_CODEC_ID_QDM2) {
665 avio_wb32(pb, 0); /* size */
666 avio_wl32(pb, tag); // store it byteswapped
667 avio_wb32(pb, 0); /* Reserved */
668 avio_wb16(pb, 0); /* Reserved */
669 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
671 /* SoundDescription */
672 avio_wb16(pb, version); /* Version */
673 avio_wb16(pb, 0); /* Revision level */
674 avio_wb32(pb, 0); /* Reserved */
679 avio_wb16(pb, 0xfffe);
681 avio_wb32(pb, 0x00010000);
683 avio_wb64(pb, av_double2int(track->enc->sample_rate));
684 avio_wb32(pb, track->enc->channels);
685 avio_wb32(pb, 0x7F000000);
686 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
687 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
688 avio_wb32(pb, track->sample_size);
689 avio_wb32(pb, get_samples_per_packet(track));
691 if (track->mode == MODE_MOV) {
692 avio_wb16(pb, track->enc->channels);
693 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
694 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
695 avio_wb16(pb, 8); /* bits per sample */
698 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
699 } else { /* reserved for mp4/3gp */
705 avio_wb16(pb, 0); /* packet size (= 0) */
706 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
707 track->enc->sample_rate : 0);
708 avio_wb16(pb, 0); /* Reserved */
711 if(version == 1) { /* SoundDescription V1 extended info */
712 if (mov_pcm_le_gt16(track->enc->codec_id) ||
713 mov_pcm_be_gt16(track->enc->codec_id))
714 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
716 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
717 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
718 avio_wb32(pb, track->sample_size); /* Bytes per frame */
719 avio_wb32(pb, 2); /* Bytes per sample */
722 if(track->mode == MODE_MOV &&
723 (track->enc->codec_id == AV_CODEC_ID_AAC ||
724 track->enc->codec_id == AV_CODEC_ID_AC3 ||
725 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
726 track->enc->codec_id == AV_CODEC_ID_ALAC ||
727 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
728 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
729 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
730 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
731 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
732 mov_write_wave_tag(pb, track);
733 else if(track->tag == MKTAG('m','p','4','a'))
734 mov_write_esds_tag(pb, track);
735 else if(track->enc->codec_id == AV_CODEC_ID_AMR_NB)
736 mov_write_amr_tag(pb, track);
737 else if(track->enc->codec_id == AV_CODEC_ID_AC3)
738 mov_write_ac3_tag(pb, track);
739 else if(track->enc->codec_id == AV_CODEC_ID_ALAC)
740 mov_write_extradata_tag(pb, track);
741 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
742 mov_write_wfex_tag(pb, track);
743 else if (track->vos_len > 0)
744 mov_write_glbl_tag(pb, track);
746 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
747 mov_write_chan_tag(pb, track);
749 return update_size(pb, pos);
752 static int mov_write_d263_tag(AVIOContext *pb)
754 avio_wb32(pb, 0xf); /* size */
755 ffio_wfourcc(pb, "d263");
756 ffio_wfourcc(pb, "FFMP");
757 avio_w8(pb, 0); /* decoder version */
758 /* FIXME use AVCodecContext level/profile, when encoder will set values */
759 avio_w8(pb, 0xa); /* level */
760 avio_w8(pb, 0); /* profile */
764 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
766 int64_t pos = avio_tell(pb);
769 ffio_wfourcc(pb, "avcC");
770 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
771 return update_size(pb, pos);
774 /* also used by all avid codecs (dv, imx, meridien) and their variants */
775 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
778 avio_wb32(pb, 24); /* size */
779 ffio_wfourcc(pb, "ACLR");
780 ffio_wfourcc(pb, "ACLR");
781 ffio_wfourcc(pb, "0001");
782 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
783 avio_wb32(pb, 0); /* unknown */
785 avio_wb32(pb, 24); /* size */
786 ffio_wfourcc(pb, "APRG");
787 ffio_wfourcc(pb, "APRG");
788 ffio_wfourcc(pb, "0001");
789 avio_wb32(pb, 1); /* unknown */
790 avio_wb32(pb, 0); /* unknown */
792 avio_wb32(pb, 120); /* size */
793 ffio_wfourcc(pb, "ARES");
794 ffio_wfourcc(pb, "ARES");
795 ffio_wfourcc(pb, "0001");
796 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
797 avio_wb32(pb, track->enc->width);
798 /* values below are based on samples created with quicktime and avid codecs */
799 if (track->vos_data[5] & 2) { // interlaced
800 avio_wb32(pb, track->enc->height/2);
801 avio_wb32(pb, 2); /* unknown */
802 avio_wb32(pb, 0); /* unknown */
803 avio_wb32(pb, 4); /* unknown */
805 avio_wb32(pb, track->enc->height);
806 avio_wb32(pb, 1); /* unknown */
807 avio_wb32(pb, 0); /* unknown */
808 if (track->enc->height == 1080)
809 avio_wb32(pb, 5); /* unknown */
811 avio_wb32(pb, 6); /* unknown */
814 for (i = 0; i < 10; i++)
817 /* extra padding for stsd needed */
822 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
824 int tag = track->enc->codec_tag;
826 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
829 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
830 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
831 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
832 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
833 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
834 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
835 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
840 static const AVCodecTag codec_ipod_tags[] = {
841 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
842 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
843 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
844 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
845 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
846 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
847 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
848 { AV_CODEC_ID_NONE, 0 },
851 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
853 int tag = track->enc->codec_tag;
855 // keep original tag for subs, ipod supports both formats
856 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
857 (tag == MKTAG('t','x','3','g') ||
858 tag == MKTAG('t','e','x','t'))))
859 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
861 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
862 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
863 "Quicktime/Ipod might not play the file\n");
868 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
872 if (track->enc->width == 720) { /* SD */
873 if (track->enc->height == 480) { /* NTSC */
874 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
875 else tag = MKTAG('d','v','c',' ');
876 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
877 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
878 else tag = MKTAG('d','v','p','p');
879 } else if (track->enc->height == 720) { /* HD 720 line */
880 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
881 else tag = MKTAG('d','v','h','p');
882 } else if (track->enc->height == 1080) { /* HD 1080 line */
883 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
884 else tag = MKTAG('d','v','h','6');
886 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
893 static const struct {
894 enum AVPixelFormat pix_fmt;
897 } mov_pix_fmt_tags[] = {
898 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
899 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
900 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
901 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
902 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
903 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
904 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
905 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
906 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
907 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
908 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
909 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
910 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
911 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
912 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
915 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
917 int tag = track->enc->codec_tag;
920 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
921 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
922 tag = mov_pix_fmt_tags[i].tag;
923 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
924 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
932 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
934 int tag = track->enc->codec_tag;
936 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
937 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
938 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
939 track->enc->codec_id == AV_CODEC_ID_H263 ||
940 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
941 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
942 tag = mov_get_dv_codec_tag(s, track);
943 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
944 tag = mov_get_rawvideo_codec_tag(s, track);
945 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
946 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
947 if (!tag) { // if no mac fcc found, try with Microsoft tags
948 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
950 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
951 "the file may be unplayable!\n");
953 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
954 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
955 if (!tag) { // if no mac fcc found, try with Microsoft tags
956 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
958 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
959 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
960 "the file may be unplayable!\n");
963 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
964 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
970 static const AVCodecTag codec_3gp_tags[] = {
971 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
972 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
973 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
974 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
975 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
976 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
977 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
978 { AV_CODEC_ID_NONE, 0 },
981 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
982 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
983 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
984 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
985 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
986 { AV_CODEC_ID_NONE, 0 },
989 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
993 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
994 tag = mp4_get_codec_tag(s, track);
995 else if (track->mode == MODE_ISM) {
996 tag = mp4_get_codec_tag(s, track);
997 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
998 tag = MKTAG('w', 'm', 'a', ' ');
999 } else if (track->mode == MODE_IPOD)
1000 tag = ipod_get_codec_tag(s, track);
1001 else if (track->mode & MODE_3GP)
1002 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1003 else if (track->mode & MODE_F4V)
1004 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1006 tag = mov_get_codec_tag(s, track);
1011 /** Write uuid atom.
1012 * Needed to make file play in iPods running newest firmware
1013 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1015 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1018 ffio_wfourcc(pb, "uuid");
1019 avio_wb32(pb, 0x6b6840f2);
1020 avio_wb32(pb, 0x5f244fc5);
1021 avio_wb32(pb, 0xba39a51b);
1022 avio_wb32(pb, 0xcf0323f3);
1027 static const uint16_t fiel_data[] = {
1028 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1031 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1033 unsigned mov_field_order = 0;
1034 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1035 mov_field_order = fiel_data[track->enc->field_order];
1039 ffio_wfourcc(pb, "fiel");
1040 avio_wb16(pb, mov_field_order);
1044 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1046 int64_t pos = avio_tell(pb);
1047 avio_wb32(pb, 0); /* size */
1048 avio_wl32(pb, track->tag); // store it byteswapped
1049 avio_wb32(pb, 0); /* Reserved */
1050 avio_wb16(pb, 0); /* Reserved */
1051 avio_wb16(pb, 1); /* Data-reference index */
1053 if (track->enc->extradata_size)
1054 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1056 return update_size(pb, pos);
1059 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1062 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1063 track->enc->sample_aspect_ratio.den, INT_MAX);
1066 ffio_wfourcc(pb, "pasp");
1067 avio_wb32(pb, sar.num);
1068 avio_wb32(pb, sar.den);
1072 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1074 int64_t pos = avio_tell(pb);
1075 char compressor_name[32] = { 0 };
1077 avio_wb32(pb, 0); /* size */
1078 avio_wl32(pb, track->tag); // store it byteswapped
1079 avio_wb32(pb, 0); /* Reserved */
1080 avio_wb16(pb, 0); /* Reserved */
1081 avio_wb16(pb, 1); /* Data-reference index */
1083 avio_wb16(pb, 0); /* Codec stream version */
1084 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1085 if (track->mode == MODE_MOV) {
1086 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1087 if(track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1088 avio_wb32(pb, 0); /* Temporal Quality */
1089 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1091 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1092 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1095 avio_wb32(pb, 0); /* Reserved */
1096 avio_wb32(pb, 0); /* Reserved */
1097 avio_wb32(pb, 0); /* Reserved */
1099 avio_wb16(pb, track->enc->width); /* Video width */
1100 avio_wb16(pb, track->height); /* Video height */
1101 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1102 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1103 avio_wb32(pb, 0); /* Data size (= 0) */
1104 avio_wb16(pb, 1); /* Frame count (= 1) */
1106 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1107 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1108 av_strlcpy(compressor_name,track->enc->codec->name,32);
1109 avio_w8(pb, strlen(compressor_name));
1110 avio_write(pb, compressor_name, 31);
1112 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1113 avio_wb16(pb, track->enc->bits_per_coded_sample);
1115 avio_wb16(pb, 0x18); /* Reserved */
1116 avio_wb16(pb, 0xffff); /* Reserved */
1117 if(track->tag == MKTAG('m','p','4','v'))
1118 mov_write_esds_tag(pb, track);
1119 else if(track->enc->codec_id == AV_CODEC_ID_H263)
1120 mov_write_d263_tag(pb);
1121 else if(track->enc->codec_id == AV_CODEC_ID_AVUI ||
1122 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1123 mov_write_extradata_tag(pb, track);
1125 } else if(track->enc->codec_id == AV_CODEC_ID_DNXHD)
1126 mov_write_avid_tag(pb, track);
1127 else if(track->enc->codec_id == AV_CODEC_ID_H264) {
1128 mov_write_avcc_tag(pb, track);
1129 if(track->mode == MODE_IPOD)
1130 mov_write_uuid_tag_ipod(pb);
1131 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1132 mov_write_fiel_tag(pb, track);
1133 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1134 mov_write_dvc1_tag(pb, track);
1135 else if (track->vos_len > 0)
1136 mov_write_glbl_tag(pb, track);
1138 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1139 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1140 mov_write_pasp_tag(pb, track);
1143 return update_size(pb, pos);
1146 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1148 int64_t pos = avio_tell(pb);
1149 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1150 int nb_frames = (track->timescale + frame_duration/2) / frame_duration;
1152 avio_wb32(pb, 0); /* size */
1153 ffio_wfourcc(pb, "tmcd"); /* Data format */
1154 avio_wb32(pb, 0); /* Reserved */
1155 avio_wb32(pb, 1); /* Data reference index */
1156 avio_wb32(pb, 0); /* Flags */
1157 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1158 avio_wb32(pb, track->timescale); /* Timescale */
1159 avio_wb32(pb, frame_duration); /* Frame duration */
1160 avio_w8(pb, nb_frames); /* Number of frames */
1161 avio_wb24(pb, 0); /* Reserved */
1162 /* TODO: source reference string */
1163 return update_size(pb, pos);
1166 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1168 int64_t pos = avio_tell(pb);
1169 avio_wb32(pb, 0); /* size */
1170 ffio_wfourcc(pb, "rtp ");
1171 avio_wb32(pb, 0); /* Reserved */
1172 avio_wb16(pb, 0); /* Reserved */
1173 avio_wb16(pb, 1); /* Data-reference index */
1175 avio_wb16(pb, 1); /* Hint track version */
1176 avio_wb16(pb, 1); /* Highest compatible version */
1177 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1179 avio_wb32(pb, 12); /* size */
1180 ffio_wfourcc(pb, "tims");
1181 avio_wb32(pb, track->timescale);
1183 return update_size(pb, pos);
1186 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1188 int64_t pos = avio_tell(pb);
1189 avio_wb32(pb, 0); /* size */
1190 ffio_wfourcc(pb, "stsd");
1191 avio_wb32(pb, 0); /* version & flags */
1192 avio_wb32(pb, 1); /* entry count */
1193 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1194 mov_write_video_tag(pb, track);
1195 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1196 mov_write_audio_tag(pb, track);
1197 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1198 mov_write_subtitle_tag(pb, track);
1199 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1200 mov_write_rtp_tag(pb, track);
1201 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1202 mov_write_tmcd_tag(pb, track);
1203 return update_size(pb, pos);
1206 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1208 MOVStts *ctts_entries;
1209 uint32_t entries = 0;
1213 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1214 ctts_entries[0].count = 1;
1215 ctts_entries[0].duration = track->cluster[0].cts;
1216 for (i=1; i<track->entry; i++) {
1217 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1218 ctts_entries[entries].count++; /* compress */
1221 ctts_entries[entries].duration = track->cluster[i].cts;
1222 ctts_entries[entries].count = 1;
1225 entries++; /* last one */
1226 atom_size = 16 + (entries * 8);
1227 avio_wb32(pb, atom_size); /* size */
1228 ffio_wfourcc(pb, "ctts");
1229 avio_wb32(pb, 0); /* version & flags */
1230 avio_wb32(pb, entries); /* entry count */
1231 for (i=0; i<entries; i++) {
1232 avio_wb32(pb, ctts_entries[i].count);
1233 avio_wb32(pb, ctts_entries[i].duration);
1235 av_free(ctts_entries);
1239 /* Time to sample atom */
1240 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1242 MOVStts *stts_entries;
1243 uint32_t entries = -1;
1247 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1248 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1249 stts_entries[0].count = track->sample_count;
1250 stts_entries[0].duration = 1;
1253 stts_entries = track->entry ?
1254 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1256 for (i=0; i<track->entry; i++) {
1257 int duration = get_cluster_duration(track, i);
1258 if (i && duration == stts_entries[entries].duration) {
1259 stts_entries[entries].count++; /* compress */
1262 stts_entries[entries].duration = duration;
1263 stts_entries[entries].count = 1;
1266 entries++; /* last one */
1268 atom_size = 16 + (entries * 8);
1269 avio_wb32(pb, atom_size); /* size */
1270 ffio_wfourcc(pb, "stts");
1271 avio_wb32(pb, 0); /* version & flags */
1272 avio_wb32(pb, entries); /* entry count */
1273 for (i=0; i<entries; i++) {
1274 avio_wb32(pb, stts_entries[i].count);
1275 avio_wb32(pb, stts_entries[i].duration);
1277 av_free(stts_entries);
1281 static int mov_write_dref_tag(AVIOContext *pb)
1283 avio_wb32(pb, 28); /* size */
1284 ffio_wfourcc(pb, "dref");
1285 avio_wb32(pb, 0); /* version & flags */
1286 avio_wb32(pb, 1); /* entry count */
1288 avio_wb32(pb, 0xc); /* size */
1289 //FIXME add the alis and rsrc atom
1290 ffio_wfourcc(pb, "url ");
1291 avio_wb32(pb, 1); /* version & flags */
1296 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1298 int64_t pos = avio_tell(pb);
1299 avio_wb32(pb, 0); /* size */
1300 ffio_wfourcc(pb, "stbl");
1301 mov_write_stsd_tag(pb, track);
1302 mov_write_stts_tag(pb, track);
1303 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1304 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1305 track->has_keyframes && track->has_keyframes < track->entry)
1306 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1307 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1308 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1309 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1310 track->flags & MOV_TRACK_CTTS)
1311 mov_write_ctts_tag(pb, track);
1312 mov_write_stsc_tag(pb, track);
1313 mov_write_stsz_tag(pb, track);
1314 mov_write_stco_tag(pb, track);
1315 return update_size(pb, pos);
1318 static int mov_write_dinf_tag(AVIOContext *pb)
1320 int64_t pos = avio_tell(pb);
1321 avio_wb32(pb, 0); /* size */
1322 ffio_wfourcc(pb, "dinf");
1323 mov_write_dref_tag(pb);
1324 return update_size(pb, pos);
1327 static int mov_write_nmhd_tag(AVIOContext *pb)
1330 ffio_wfourcc(pb, "nmhd");
1335 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1337 int64_t pos = avio_tell(pb);
1338 const char *font = "Lucida Grande";
1339 avio_wb32(pb, 0); /* size */
1340 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1341 avio_wb32(pb, 0); /* version & flags */
1342 avio_wb16(pb, 0); /* text font */
1343 avio_wb16(pb, 0); /* text face */
1344 avio_wb16(pb, 12); /* text size */
1345 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1346 avio_wb16(pb, 0x0000); /* text color (red) */
1347 avio_wb16(pb, 0x0000); /* text color (green) */
1348 avio_wb16(pb, 0x0000); /* text color (blue) */
1349 avio_wb16(pb, 0xffff); /* background color (red) */
1350 avio_wb16(pb, 0xffff); /* background color (green) */
1351 avio_wb16(pb, 0xffff); /* background color (blue) */
1352 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1353 avio_write(pb, font, strlen(font)); /* font name */
1354 return update_size(pb, pos);
1357 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1359 int64_t pos = avio_tell(pb);
1360 avio_wb32(pb, 0); /* size */
1361 ffio_wfourcc(pb, "gmhd");
1362 avio_wb32(pb, 0x18); /* gmin size */
1363 ffio_wfourcc(pb, "gmin");/* generic media info */
1364 avio_wb32(pb, 0); /* version & flags */
1365 avio_wb16(pb, 0x40); /* graphics mode = */
1366 avio_wb16(pb, 0x8000); /* opColor (r?) */
1367 avio_wb16(pb, 0x8000); /* opColor (g?) */
1368 avio_wb16(pb, 0x8000); /* opColor (b?) */
1369 avio_wb16(pb, 0); /* balance */
1370 avio_wb16(pb, 0); /* reserved */
1373 * This special text atom is required for
1374 * Apple Quicktime chapters. The contents
1375 * don't appear to be documented, so the
1376 * bytes are copied verbatim.
1378 avio_wb32(pb, 0x2C); /* size */
1379 ffio_wfourcc(pb, "text");
1380 avio_wb16(pb, 0x01);
1381 avio_wb32(pb, 0x00);
1382 avio_wb32(pb, 0x00);
1383 avio_wb32(pb, 0x00);
1384 avio_wb32(pb, 0x01);
1385 avio_wb32(pb, 0x00);
1386 avio_wb32(pb, 0x00);
1387 avio_wb32(pb, 0x00);
1388 avio_wb32(pb, 0x00004000);
1389 avio_wb16(pb, 0x0000);
1391 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1392 int64_t tmcd_pos = avio_tell(pb);
1393 avio_wb32(pb, 0); /* size */
1394 ffio_wfourcc(pb, "tmcd");
1395 mov_write_tcmi_tag(pb, track);
1396 update_size(pb, tmcd_pos);
1398 return update_size(pb, pos);
1401 static int mov_write_smhd_tag(AVIOContext *pb)
1403 avio_wb32(pb, 16); /* size */
1404 ffio_wfourcc(pb, "smhd");
1405 avio_wb32(pb, 0); /* version & flags */
1406 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1407 avio_wb16(pb, 0); /* reserved */
1411 static int mov_write_vmhd_tag(AVIOContext *pb)
1413 avio_wb32(pb, 0x14); /* size (always 0x14) */
1414 ffio_wfourcc(pb, "vmhd");
1415 avio_wb32(pb, 0x01); /* version & flags */
1416 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1420 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1422 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1423 int64_t pos = avio_tell(pb);
1425 if (!track) { /* no media --> data handler */
1428 descr = "DataHandler";
1430 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1431 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1433 descr = "VideoHandler";
1434 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1436 descr = "SoundHandler";
1437 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1438 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1439 else hdlr_type = "text";
1440 descr = "SubtitleHandler";
1441 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1443 descr = "TimeCodeHandler";
1444 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1446 descr = "HintHandler";
1450 descr = "DataHandler";
1454 avio_wb32(pb, 0); /* size */
1455 ffio_wfourcc(pb, "hdlr");
1456 avio_wb32(pb, 0); /* Version & flags */
1457 avio_write(pb, hdlr, 4); /* handler */
1458 ffio_wfourcc(pb, hdlr_type); /* handler type */
1459 avio_wb32(pb ,0); /* reserved */
1460 avio_wb32(pb ,0); /* reserved */
1461 avio_wb32(pb ,0); /* reserved */
1462 if (!track || track->mode == MODE_MOV)
1463 avio_w8(pb, strlen(descr)); /* pascal string */
1464 avio_write(pb, descr, strlen(descr)); /* handler description */
1465 if (track && track->mode != MODE_MOV)
1466 avio_w8(pb, 0); /* c string */
1467 return update_size(pb, pos);
1470 static int mov_write_hmhd_tag(AVIOContext *pb)
1472 /* This atom must be present, but leaving the values at zero
1473 * seems harmless. */
1474 avio_wb32(pb, 28); /* size */
1475 ffio_wfourcc(pb, "hmhd");
1476 avio_wb32(pb, 0); /* version, flags */
1477 avio_wb16(pb, 0); /* maxPDUsize */
1478 avio_wb16(pb, 0); /* avgPDUsize */
1479 avio_wb32(pb, 0); /* maxbitrate */
1480 avio_wb32(pb, 0); /* avgbitrate */
1481 avio_wb32(pb, 0); /* reserved */
1485 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1487 int64_t pos = avio_tell(pb);
1488 avio_wb32(pb, 0); /* size */
1489 ffio_wfourcc(pb, "minf");
1490 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1491 mov_write_vmhd_tag(pb);
1492 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1493 mov_write_smhd_tag(pb);
1494 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1495 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb, track);
1496 else mov_write_nmhd_tag(pb);
1497 } else if (track->tag == MKTAG('t','m','c','d')) {
1498 mov_write_gmhd_tag(pb, track);
1499 } else if (track->tag == MKTAG('r','t','p',' ')) {
1500 mov_write_hmhd_tag(pb);
1502 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1503 mov_write_hdlr_tag(pb, NULL);
1504 mov_write_dinf_tag(pb);
1505 mov_write_stbl_tag(pb, track);
1506 return update_size(pb, pos);
1509 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1511 int version = track->track_duration < INT32_MAX ? 0 : 1;
1513 if (track->mode == MODE_ISM)
1516 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1517 ffio_wfourcc(pb, "mdhd");
1518 avio_w8(pb, version);
1519 avio_wb24(pb, 0); /* flags */
1521 avio_wb64(pb, track->time);
1522 avio_wb64(pb, track->time);
1524 avio_wb32(pb, track->time); /* creation time */
1525 avio_wb32(pb, track->time); /* modification time */
1527 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1529 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1531 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1532 avio_wb16(pb, track->language); /* language */
1533 avio_wb16(pb, 0); /* reserved (quality) */
1535 if(version!=0 && track->mode == MODE_MOV){
1536 av_log(NULL, AV_LOG_ERROR,
1537 "FATAL error, file duration too long for timebase, this file will not be\n"
1538 "playable with quicktime. Choose a different timebase or a different\n"
1539 "container format\n");
1545 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1547 int64_t pos = avio_tell(pb);
1548 avio_wb32(pb, 0); /* size */
1549 ffio_wfourcc(pb, "mdia");
1550 mov_write_mdhd_tag(pb, track);
1551 mov_write_hdlr_tag(pb, track);
1552 mov_write_minf_tag(pb, track);
1553 return update_size(pb, pos);
1556 /* transformation matrix
1560 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1561 int16_t d, int16_t tx, int16_t ty)
1563 avio_wb32(pb, a << 16); /* 16.16 format */
1564 avio_wb32(pb, b << 16); /* 16.16 format */
1565 avio_wb32(pb, 0); /* u in 2.30 format */
1566 avio_wb32(pb, c << 16); /* 16.16 format */
1567 avio_wb32(pb, d << 16); /* 16.16 format */
1568 avio_wb32(pb, 0); /* v in 2.30 format */
1569 avio_wb32(pb, tx << 16); /* 16.16 format */
1570 avio_wb32(pb, ty << 16); /* 16.16 format */
1571 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1574 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1576 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1577 track->timescale, AV_ROUND_UP);
1578 int version = duration < INT32_MAX ? 0 : 1;
1581 if (track->mode == MODE_ISM)
1584 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1585 ffio_wfourcc(pb, "tkhd");
1586 avio_w8(pb, version);
1587 avio_wb24(pb, 0xf); /* flags (track enabled) */
1589 avio_wb64(pb, track->time);
1590 avio_wb64(pb, track->time);
1592 avio_wb32(pb, track->time); /* creation time */
1593 avio_wb32(pb, track->time); /* modification time */
1595 avio_wb32(pb, track->track_id); /* track-id */
1596 avio_wb32(pb, 0); /* reserved */
1598 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1600 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1602 avio_wb32(pb, 0); /* reserved */
1603 avio_wb32(pb, 0); /* reserved */
1604 avio_wb16(pb, 0); /* layer */
1605 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1606 /* Volume, only for audio */
1607 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1608 avio_wb16(pb, 0x0100);
1611 avio_wb16(pb, 0); /* reserved */
1613 /* Matrix structure */
1614 if (st && st->metadata) {
1615 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1616 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1618 if (rotation == 90) {
1619 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1620 } else if (rotation == 180) {
1621 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1622 } else if (rotation == 270) {
1623 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1625 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1627 /* Track width and height, for visual only */
1628 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1629 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1630 if(track->mode == MODE_MOV) {
1631 avio_wb32(pb, track->enc->width << 16);
1632 avio_wb32(pb, track->height << 16);
1634 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1635 if(!sample_aspect_ratio || track->height != track->enc->height)
1636 sample_aspect_ratio = 1;
1637 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1638 avio_wb32(pb, track->height*0x10000);
1648 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1650 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1651 track->enc->sample_aspect_ratio.den);
1653 int64_t pos = avio_tell(pb);
1655 avio_wb32(pb, 0); /* size */
1656 ffio_wfourcc(pb, "tapt");
1659 ffio_wfourcc(pb, "clef");
1661 avio_wb32(pb, width << 16);
1662 avio_wb32(pb, track->enc->height << 16);
1665 ffio_wfourcc(pb, "prof");
1667 avio_wb32(pb, width << 16);
1668 avio_wb32(pb, track->enc->height << 16);
1671 ffio_wfourcc(pb, "enof");
1673 avio_wb32(pb, track->enc->width << 16);
1674 avio_wb32(pb, track->enc->height << 16);
1676 return update_size(pb, pos);
1679 // This box seems important for the psp playback ... without it the movie seems to hang
1680 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1682 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1683 track->timescale, AV_ROUND_UP);
1684 int version = duration < INT32_MAX ? 0 : 1;
1685 int entry_size, entry_count, size;
1686 int64_t delay, start_ct = track->cluster[0].cts;
1687 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1688 track->timescale, AV_ROUND_DOWN);
1689 version |= delay < INT32_MAX ? 0 : 1;
1691 entry_size = (version == 1) ? 20 : 12;
1692 entry_count = 1 + (delay > 0);
1693 size = 24 + entry_count * entry_size;
1695 /* write the atom data */
1696 avio_wb32(pb, size);
1697 ffio_wfourcc(pb, "edts");
1698 avio_wb32(pb, size - 8);
1699 ffio_wfourcc(pb, "elst");
1700 avio_w8(pb, version);
1701 avio_wb24(pb, 0); /* flags */
1703 avio_wb32(pb, entry_count);
1704 if (delay > 0) { /* add an empty edit to delay presentation */
1706 avio_wb64(pb, delay);
1709 avio_wb32(pb, delay);
1712 avio_wb32(pb, 0x00010000);
1714 av_assert0(track->cluster[0].dts <= 0);
1715 start_ct = -track->cluster[0].dts;
1721 avio_wb64(pb, duration);
1722 avio_wb64(pb, start_ct);
1724 avio_wb32(pb, duration);
1725 avio_wb32(pb, start_ct);
1727 avio_wb32(pb, 0x00010000);
1731 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1733 avio_wb32(pb, 20); // size
1734 ffio_wfourcc(pb, "tref");
1735 avio_wb32(pb, 12); // size (subatom)
1736 avio_wl32(pb, track->tref_tag);
1737 avio_wb32(pb, track->tref_id);
1741 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1742 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1744 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1745 ffio_wfourcc(pb, "uuid");
1746 ffio_wfourcc(pb, "USMT");
1747 avio_wb32(pb, 0x21d24fce);
1748 avio_wb32(pb, 0xbb88695c);
1749 avio_wb32(pb, 0xfac9c740);
1750 avio_wb32(pb, 0x1c); // another size here!
1751 ffio_wfourcc(pb, "MTDT");
1752 avio_wb32(pb, 0x00010012);
1753 avio_wb32(pb, 0x0a);
1754 avio_wb32(pb, 0x55c40000);
1760 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1762 char buf[1000] = "";
1765 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1766 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1769 avio_wb32(pb, len + 24);
1770 ffio_wfourcc(pb, "udta");
1771 avio_wb32(pb, len + 16);
1772 ffio_wfourcc(pb, "hnti");
1773 avio_wb32(pb, len + 8);
1774 ffio_wfourcc(pb, "sdp ");
1775 avio_write(pb, buf, len);
1779 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1780 MOVTrack *track, AVStream *st)
1782 int64_t pos = avio_tell(pb);
1783 avio_wb32(pb, 0); /* size */
1784 ffio_wfourcc(pb, "trak");
1785 mov_write_tkhd_tag(pb, track, st);
1786 if (supports_edts(mov))
1787 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1788 if (track->tref_tag)
1789 mov_write_tref_tag(pb, track);
1790 mov_write_mdia_tag(pb, track);
1791 if (track->mode == MODE_PSP)
1792 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1793 if (track->tag == MKTAG('r','t','p',' '))
1794 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1795 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1796 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1797 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1798 mov_write_tapt_tag(pb, track);
1800 return update_size(pb, pos);
1803 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1805 int i, has_audio = 0, has_video = 0;
1806 int64_t pos = avio_tell(pb);
1807 int audio_profile = mov->iods_audio_profile;
1808 int video_profile = mov->iods_video_profile;
1809 for (i = 0; i < mov->nb_streams; i++) {
1810 if(mov->tracks[i].entry > 0) {
1811 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1812 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1815 if (audio_profile < 0)
1816 audio_profile = 0xFF - has_audio;
1817 if (video_profile < 0)
1818 video_profile = 0xFF - has_video;
1819 avio_wb32(pb, 0x0); /* size */
1820 ffio_wfourcc(pb, "iods");
1821 avio_wb32(pb, 0); /* version & flags */
1822 put_descr(pb, 0x10, 7);
1823 avio_wb16(pb, 0x004f);
1826 avio_w8(pb, audio_profile);
1827 avio_w8(pb, video_profile);
1829 return update_size(pb, pos);
1832 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1834 avio_wb32(pb, 0x20); /* size */
1835 ffio_wfourcc(pb, "trex");
1836 avio_wb32(pb, 0); /* version & flags */
1837 avio_wb32(pb, track->track_id); /* track ID */
1838 avio_wb32(pb, 1); /* default sample description index */
1839 avio_wb32(pb, 0); /* default sample duration */
1840 avio_wb32(pb, 0); /* default sample size */
1841 avio_wb32(pb, 0); /* default sample flags */
1845 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1847 int64_t pos = avio_tell(pb);
1849 avio_wb32(pb, 0x0); /* size */
1850 ffio_wfourcc(pb, "mvex");
1851 for (i = 0; i < mov->nb_streams; i++)
1852 mov_write_trex_tag(pb, &mov->tracks[i]);
1853 return update_size(pb, pos);
1856 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1858 int max_track_id = 1, i;
1859 int64_t max_track_len_temp, max_track_len = 0;
1862 for (i=0; i<mov->nb_streams; i++) {
1863 if(mov->tracks[i].entry > 0) {
1864 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1866 mov->tracks[i].timescale,
1868 if (max_track_len < max_track_len_temp)
1869 max_track_len = max_track_len_temp;
1870 if (max_track_id < mov->tracks[i].track_id)
1871 max_track_id = mov->tracks[i].track_id;
1875 version = max_track_len < UINT32_MAX ? 0 : 1;
1876 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1877 ffio_wfourcc(pb, "mvhd");
1878 avio_w8(pb, version);
1879 avio_wb24(pb, 0); /* flags */
1881 avio_wb64(pb, mov->time);
1882 avio_wb64(pb, mov->time);
1884 avio_wb32(pb, mov->time); /* creation time */
1885 avio_wb32(pb, mov->time); /* modification time */
1887 avio_wb32(pb, MOV_TIMESCALE);
1888 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1890 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1891 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1892 avio_wb16(pb, 0); /* reserved */
1893 avio_wb32(pb, 0); /* reserved */
1894 avio_wb32(pb, 0); /* reserved */
1896 /* Matrix structure */
1897 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1899 avio_wb32(pb, 0); /* reserved (preview time) */
1900 avio_wb32(pb, 0); /* reserved (preview duration) */
1901 avio_wb32(pb, 0); /* reserved (poster time) */
1902 avio_wb32(pb, 0); /* reserved (selection time) */
1903 avio_wb32(pb, 0); /* reserved (selection duration) */
1904 avio_wb32(pb, 0); /* reserved (current time) */
1905 avio_wb32(pb, max_track_id + 1); /* Next track id */
1909 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1912 avio_wb32(pb, 33); /* size */
1913 ffio_wfourcc(pb, "hdlr");
1916 ffio_wfourcc(pb, "mdir");
1917 ffio_wfourcc(pb, "appl");
1924 /* helper function to write a data tag with the specified string as data */
1925 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1928 int size = 16 + strlen(data);
1929 avio_wb32(pb, size); /* size */
1930 ffio_wfourcc(pb, "data");
1933 avio_write(pb, data, strlen(data));
1937 lang = ff_mov_iso639_to_lang("und", 1);
1938 avio_wb16(pb, strlen(data)); /* string length */
1939 avio_wb16(pb, lang);
1940 avio_write(pb, data, strlen(data));
1941 return strlen(data) + 4;
1945 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1947 if (value && value[0]) {
1948 int64_t pos = avio_tell(pb);
1949 avio_wb32(pb, 0); /* size */
1950 ffio_wfourcc(pb, name);
1951 mov_write_string_data_tag(pb, value, lang, long_style);
1952 size = update_size(pb, pos);
1957 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1958 const char *name, const char *tag,
1961 int l, lang = 0, len, len2;
1962 AVDictionaryEntry *t, *t2 = NULL;
1965 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1968 len = strlen(t->key);
1969 snprintf(tag2, sizeof(tag2), "%s-", tag);
1970 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1971 len2 = strlen(t2->key);
1972 if (len2 == len+4 && !strcmp(t->value, t2->value)
1973 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1978 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1981 /* iTunes bpm number */
1982 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
1984 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
1985 int size = 0, tmpo = t ? atoi(t->value) : 0;
1988 avio_wb32(pb, size);
1989 ffio_wfourcc(pb, "tmpo");
1990 avio_wb32(pb, size-8); /* size */
1991 ffio_wfourcc(pb, "data");
1992 avio_wb32(pb, 0x15); //type specifier
1994 avio_wb16(pb, tmpo); // data
1999 /* iTunes track number */
2000 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2003 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2004 int size = 0, track = t ? atoi(t->value) : 0;
2006 avio_wb32(pb, 32); /* size */
2007 ffio_wfourcc(pb, "trkn");
2008 avio_wb32(pb, 24); /* size */
2009 ffio_wfourcc(pb, "data");
2010 avio_wb32(pb, 0); // 8 bytes empty
2012 avio_wb16(pb, 0); // empty
2013 avio_wb16(pb, track); // track number
2014 avio_wb16(pb, 0); // total track number
2015 avio_wb16(pb, 0); // empty
2021 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2022 const char *name, const char *tag,
2025 AVDictionaryEntry *t = NULL;
2028 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2030 num = t ? atoi(t->value) : 0;
2032 avio_wb32(pb, len+8);
2033 ffio_wfourcc(pb, name);
2034 if (len==4) avio_wb32(pb, num);
2035 else avio_w8 (pb, num);
2039 /* iTunes meta data list */
2040 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2043 int64_t pos = avio_tell(pb);
2044 avio_wb32(pb, 0); /* size */
2045 ffio_wfourcc(pb, "ilst");
2046 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2047 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2048 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2049 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2050 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2051 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2052 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2053 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2054 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2055 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2056 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2057 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2058 mov_write_string_metadata(s, pb, "desc", "description",1);
2059 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2060 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2061 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2062 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2063 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2064 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2065 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2066 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2067 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2068 mov_write_trkn_tag(pb, mov, s);
2069 mov_write_tmpo_tag(pb, s);
2070 return update_size(pb, pos);
2073 /* iTunes meta data tag */
2074 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2078 int64_t pos = avio_tell(pb);
2079 avio_wb32(pb, 0); /* size */
2080 ffio_wfourcc(pb, "meta");
2082 mov_write_itunes_hdlr_tag(pb, mov, s);
2083 mov_write_ilst_tag(pb, mov, s);
2084 size = update_size(pb, pos);
2088 static int utf8len(const uint8_t *b)
2093 GET_UTF8(val, *b++, return -1;)
2099 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2103 GET_UTF8(val, *b++, return -1;)
2106 avio_wb16(pb, 0x00);
2110 static uint16_t language_code(const char *str)
2112 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
2115 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2116 const char *tag, const char *str)
2118 int64_t pos = avio_tell(pb);
2119 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2120 if (!t || !utf8len(t->value))
2122 avio_wb32(pb, 0); /* size */
2123 ffio_wfourcc(pb, tag); /* type */
2124 avio_wb32(pb, 0); /* version + flags */
2125 if (!strcmp(tag, "yrrc"))
2126 avio_wb16(pb, atoi(t->value));
2128 avio_wb16(pb, language_code("eng")); /* language */
2129 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
2130 if (!strcmp(tag, "albm") &&
2131 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2132 avio_w8(pb, atoi(t->value));
2134 return update_size(pb, pos);
2137 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2139 int64_t pos = avio_tell(pb);
2140 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2142 avio_wb32(pb, 0); // size
2143 ffio_wfourcc(pb, "chpl");
2144 avio_wb32(pb, 0x01000000); // version + flags
2145 avio_wb32(pb, 0); // unknown
2146 avio_w8(pb, nb_chapters);
2148 for (i = 0; i < nb_chapters; i++) {
2149 AVChapter *c = s->chapters[i];
2150 AVDictionaryEntry *t;
2151 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2153 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2154 int len = FFMIN(strlen(t->value), 255);
2156 avio_write(pb, t->value, len);
2160 return update_size(pb, pos);
2163 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2166 AVIOContext *pb_buf;
2170 for (i = 0; i < s->nb_streams; i++)
2171 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2175 ret = avio_open_dyn_buf(&pb_buf);
2179 if (mov->mode & MODE_3GP) {
2180 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2181 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2182 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2183 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2184 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2185 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2186 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2187 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2188 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2189 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
2190 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
2191 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
2192 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2193 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2194 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2195 // currently ignored by mov.c
2196 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2197 // add support for libquicktime, this atom is also actually read by mov.c
2198 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment" , 0);
2199 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2200 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2202 /* iTunes meta data */
2203 mov_write_meta_tag(pb_buf, mov, s);
2207 mov_write_chpl_tag(pb_buf, s);
2209 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2210 avio_wb32(pb, size+8);
2211 ffio_wfourcc(pb, "udta");
2212 avio_write(pb, buf, size);
2219 static void mov_write_psp_udta_tag(AVIOContext *pb,
2220 const char *str, const char *lang, int type)
2222 int len = utf8len(str)+1;
2225 avio_wb16(pb, len*2+10); /* size */
2226 avio_wb32(pb, type); /* type */
2227 avio_wb16(pb, language_code(lang)); /* language */
2228 avio_wb16(pb, 0x01); /* ? */
2229 ascii_to_wc(pb, str);
2232 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2234 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2238 pos = avio_tell(pb);
2239 avio_wb32(pb, 0); /* size placeholder*/
2240 ffio_wfourcc(pb, "uuid");
2241 ffio_wfourcc(pb, "USMT");
2242 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2243 avio_wb32(pb, 0xbb88695c);
2244 avio_wb32(pb, 0xfac9c740);
2246 pos2 = avio_tell(pb);
2247 avio_wb32(pb, 0); /* size placeholder*/
2248 ffio_wfourcc(pb, "MTDT");
2252 avio_wb16(pb, 0x0C); /* size */
2253 avio_wb32(pb, 0x0B); /* type */
2254 avio_wb16(pb, language_code("und")); /* language */
2255 avio_wb16(pb, 0x0); /* ? */
2256 avio_wb16(pb, 0x021C); /* data */
2258 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2259 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2260 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2262 update_size(pb, pos2);
2263 return update_size(pb, pos);
2269 static void build_chunks(MOVTrack *trk)
2272 MOVIentry *chunk= &trk->cluster[0];
2273 uint64_t chunkSize = chunk->size;
2275 if (trk->chunkCount)
2278 for(i=1; i<trk->entry; i++){
2279 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2280 chunkSize + trk->cluster[i].size < (1<<20)){
2281 chunkSize += trk->cluster[i].size;
2282 chunk->samples_in_chunk += trk->cluster[i].entries;
2284 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2285 chunk=&trk->cluster[i];
2286 chunkSize = chunk->size;
2292 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2296 int64_t pos = avio_tell(pb);
2297 avio_wb32(pb, 0); /* size placeholder*/
2298 ffio_wfourcc(pb, "moov");
2300 for (i=0; i<mov->nb_streams; i++) {
2301 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2304 mov->tracks[i].time = mov->time;
2305 mov->tracks[i].track_id = i+1;
2307 if (mov->tracks[i].entry)
2308 build_chunks(&mov->tracks[i]);
2311 if (mov->chapter_track)
2312 for (i=0; i<s->nb_streams; i++) {
2313 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2314 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2316 for (i = 0; i < mov->nb_streams; i++) {
2317 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2318 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2319 mov->tracks[i].tref_id =
2320 mov->tracks[mov->tracks[i].src_track].track_id;
2323 for (i = 0; i < mov->nb_streams; i++) {
2324 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2325 int src_trk = mov->tracks[i].src_track;
2326 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2327 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2328 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2332 mov_write_mvhd_tag(pb, mov);
2333 if (mov->mode != MODE_MOV && !mov->iods_skip)
2334 mov_write_iods_tag(pb, mov);
2335 for (i=0; i<mov->nb_streams; i++) {
2336 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2337 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2340 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2341 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2343 if (mov->mode == MODE_PSP)
2344 mov_write_uuidusmt_tag(pb, s);
2346 mov_write_udta_tag(pb, mov, s);
2348 return update_size(pb, pos);
2351 static void param_write_int(AVIOContext *pb, const char *name, int value)
2353 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2356 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2358 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2361 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2364 len = FFMIN(sizeof(buf)/2 - 1, len);
2365 ff_data_to_hex(buf, value, len, 0);
2367 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2370 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2372 int64_t pos = avio_tell(pb);
2374 const uint8_t uuid[] = {
2375 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2376 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2380 ffio_wfourcc(pb, "uuid");
2381 avio_write(pb, uuid, sizeof(uuid));
2384 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2385 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2386 avio_printf(pb, "<head>\n");
2387 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2389 avio_printf(pb, "</head>\n");
2390 avio_printf(pb, "<body>\n");
2391 avio_printf(pb, "<switch>\n");
2392 for (i = 0; i < mov->nb_streams; i++) {
2393 MOVTrack *track = &mov->tracks[i];
2395 /* track->track_id is initialized in write_moov, and thus isn't known
2397 int track_id = i + 1;
2399 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2401 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2406 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2407 track->enc->bit_rate);
2408 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2409 param_write_int(pb, "trackID", track_id);
2410 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2411 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2413 int size = track->enc->extradata_size;
2414 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2416 param_write_hex(pb, "CodecPrivateData",
2417 ptr ? ptr : track->enc->extradata,
2421 param_write_string(pb, "FourCC", "H264");
2422 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2423 param_write_string(pb, "FourCC", "WVC1");
2424 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2425 track->enc->extradata_size);
2427 param_write_int(pb, "MaxWidth", track->enc->width);
2428 param_write_int(pb, "MaxHeight", track->enc->height);
2429 param_write_int(pb, "DisplayWidth", track->enc->width);
2430 param_write_int(pb, "DisplayHeight", track->enc->height);
2432 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2433 param_write_string(pb, "FourCC", "AACL");
2434 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2435 param_write_string(pb, "FourCC", "WMAP");
2437 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2438 track->enc->extradata_size);
2439 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2440 track->enc->codec_id));
2441 param_write_int(pb, "Channels", track->enc->channels);
2442 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2443 param_write_int(pb, "BitsPerSample", 16);
2444 param_write_int(pb, "PacketSize", track->enc->block_align ?
2445 track->enc->block_align : 4);
2447 avio_printf(pb, "</%s>\n", type);
2449 avio_printf(pb, "</switch>\n");
2450 avio_printf(pb, "</body>\n");
2451 avio_printf(pb, "</smil>\n");
2453 return update_size(pb, pos);
2456 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2459 ffio_wfourcc(pb, "mfhd");
2461 avio_wb32(pb, mov->fragments);
2465 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2466 int64_t moof_offset)
2468 int64_t pos = avio_tell(pb);
2469 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2470 MOV_TFHD_BASE_DATA_OFFSET;
2471 if (!track->entry) {
2472 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2474 flags |= MOV_TFHD_DEFAULT_FLAGS;
2477 /* Don't set a default sample size, the silverlight player refuses
2478 * to play files with that set. Don't set a default sample duration,
2479 * WMP freaks out if it is set. */
2480 if (track->mode == MODE_ISM)
2481 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2483 avio_wb32(pb, 0); /* size placeholder */
2484 ffio_wfourcc(pb, "tfhd");
2485 avio_w8(pb, 0); /* version */
2486 avio_wb24(pb, flags);
2488 avio_wb32(pb, track->track_id); /* track-id */
2489 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2490 avio_wb64(pb, moof_offset);
2491 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2492 track->default_duration = get_cluster_duration(track, 0);
2493 avio_wb32(pb, track->default_duration);
2495 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2496 track->default_size = track->entry ? track->cluster[0].size : 1;
2497 avio_wb32(pb, track->default_size);
2499 track->default_size = -1;
2501 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2502 track->default_sample_flags =
2503 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2504 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2505 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2506 avio_wb32(pb, track->default_sample_flags);
2509 return update_size(pb, pos);
2512 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2514 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2515 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2518 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2520 int64_t pos = avio_tell(pb);
2521 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2524 for (i = 0; i < track->entry; i++) {
2525 if (get_cluster_duration(track, i) != track->default_duration)
2526 flags |= MOV_TRUN_SAMPLE_DURATION;
2527 if (track->cluster[i].size != track->default_size)
2528 flags |= MOV_TRUN_SAMPLE_SIZE;
2529 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2530 flags |= MOV_TRUN_SAMPLE_FLAGS;
2532 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2533 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2534 if (track->flags & MOV_TRACK_CTTS)
2535 flags |= MOV_TRUN_SAMPLE_CTS;
2537 avio_wb32(pb, 0); /* size placeholder */
2538 ffio_wfourcc(pb, "trun");
2539 avio_w8(pb, 0); /* version */
2540 avio_wb24(pb, flags);
2542 avio_wb32(pb, track->entry); /* sample count */
2543 track->moof_size_offset = avio_tell(pb);
2544 avio_wb32(pb, 0); /* data offset */
2545 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2546 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2548 for (i = 0; i < track->entry; i++) {
2549 if (flags & MOV_TRUN_SAMPLE_DURATION)
2550 avio_wb32(pb, get_cluster_duration(track, i));
2551 if (flags & MOV_TRUN_SAMPLE_SIZE)
2552 avio_wb32(pb, track->cluster[i].size);
2553 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2554 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2555 if (flags & MOV_TRUN_SAMPLE_CTS)
2556 avio_wb32(pb, track->cluster[i].cts);
2559 return update_size(pb, pos);
2562 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2564 int64_t pos = avio_tell(pb);
2565 const uint8_t uuid[] = {
2566 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2567 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2570 avio_wb32(pb, 0); /* size placeholder */
2571 ffio_wfourcc(pb, "uuid");
2572 avio_write(pb, uuid, sizeof(uuid));
2575 avio_wb64(pb, track->frag_start);
2576 avio_wb64(pb, track->start_dts + track->track_duration -
2577 track->cluster[0].dts);
2579 return update_size(pb, pos);
2582 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2583 MOVTrack *track, int entry)
2585 int n = track->nb_frag_info - 1 - entry, i;
2586 int size = 8 + 16 + 4 + 1 + 16*n;
2587 const uint8_t uuid[] = {
2588 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2589 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2595 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2596 avio_wb32(pb, size);
2597 ffio_wfourcc(pb, "uuid");
2598 avio_write(pb, uuid, sizeof(uuid));
2602 for (i = 0; i < n; i++) {
2603 int index = entry + 1 + i;
2604 avio_wb64(pb, track->frag_info[index].time);
2605 avio_wb64(pb, track->frag_info[index].duration);
2607 if (n < mov->ism_lookahead) {
2608 int free_size = 16*(mov->ism_lookahead - n);
2609 avio_wb32(pb, free_size);
2610 ffio_wfourcc(pb, "free");
2611 for (i = 0; i < free_size - 8; i++)
2618 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2621 int64_t pos = avio_tell(pb);
2623 for (i = 0; i < mov->ism_lookahead; i++) {
2624 /* Update the tfrf tag for the last ism_lookahead fragments,
2625 * nb_frag_info - 1 is the next fragment to be written. */
2626 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2628 avio_seek(pb, pos, SEEK_SET);
2632 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2633 MOVTrack *track, int64_t moof_offset)
2635 int64_t pos = avio_tell(pb);
2636 avio_wb32(pb, 0); /* size placeholder */
2637 ffio_wfourcc(pb, "traf");
2639 mov_write_tfhd_tag(pb, track, moof_offset);
2640 mov_write_trun_tag(pb, track);
2641 if (mov->mode == MODE_ISM) {
2642 mov_write_tfxd_tag(pb, track);
2644 if (mov->ism_lookahead) {
2645 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2647 track->tfrf_offset = avio_tell(pb);
2648 avio_wb32(pb, 8 + size);
2649 ffio_wfourcc(pb, "free");
2650 for (i = 0; i < size; i++)
2655 return update_size(pb, pos);
2658 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2660 int64_t pos = avio_tell(pb), end;
2663 avio_wb32(pb, 0); /* size placeholder */
2664 ffio_wfourcc(pb, "moof");
2666 mov_write_mfhd_tag(pb, mov);
2667 for (i = 0; i < mov->nb_streams; i++) {
2668 MOVTrack *track = &mov->tracks[i];
2669 if (tracks >= 0 && i != tracks)
2673 mov_write_traf_tag(pb, mov, track, pos);
2676 end = avio_tell(pb);
2677 moof_size = end - pos;
2678 for (i = 0; i < mov->nb_streams; i++) {
2679 MOVTrack *track = &mov->tracks[i];
2680 if (tracks >= 0 && i != tracks)
2684 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2685 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2687 avio_seek(pb, end, SEEK_SET);
2689 return update_size(pb, pos);
2692 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2694 int64_t pos = avio_tell(pb);
2697 avio_wb32(pb, 0); /* size placeholder */
2698 ffio_wfourcc(pb, "tfra");
2699 avio_w8(pb, 1); /* version */
2702 avio_wb32(pb, track->track_id);
2703 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2704 avio_wb32(pb, track->nb_frag_info);
2705 for (i = 0; i < track->nb_frag_info; i++) {
2706 avio_wb64(pb, track->frag_info[i].time);
2707 avio_wb64(pb, track->frag_info[i].offset);
2708 avio_w8(pb, 1); /* traf number */
2709 avio_w8(pb, 1); /* trun number */
2710 avio_w8(pb, 1); /* sample number */
2713 return update_size(pb, pos);
2716 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2718 int64_t pos = avio_tell(pb);
2721 avio_wb32(pb, 0); /* size placeholder */
2722 ffio_wfourcc(pb, "mfra");
2723 /* An empty mfra atom is enough to indicate to the publishing point that
2724 * the stream has ended. */
2725 if (mov->flags & FF_MOV_FLAG_ISML)
2726 return update_size(pb, pos);
2728 for (i = 0; i < mov->nb_streams; i++) {
2729 MOVTrack *track = &mov->tracks[i];
2730 if (track->nb_frag_info)
2731 mov_write_tfra_tag(pb, track);
2735 ffio_wfourcc(pb, "mfro");
2736 avio_wb32(pb, 0); /* version + flags */
2737 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2739 return update_size(pb, pos);
2742 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2744 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2745 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2747 mov->mdat_pos = avio_tell(pb);
2748 avio_wb32(pb, 0); /* size placeholder*/
2749 ffio_wfourcc(pb, "mdat");
2753 /* TODO: This needs to be more general */
2754 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2756 MOVMuxContext *mov = s->priv_data;
2757 int64_t pos = avio_tell(pb);
2758 int has_h264 = 0, has_video = 0;
2762 for (i = 0; i < s->nb_streams; i++) {
2763 AVStream *st = s->streams[i];
2764 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2766 if (st->codec->codec_id == AV_CODEC_ID_H264)
2770 avio_wb32(pb, 0); /* size */
2771 ffio_wfourcc(pb, "ftyp");
2773 if (mov->mode == MODE_3GP) {
2774 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2775 minor = has_h264 ? 0x100 : 0x200;
2776 } else if (mov->mode & MODE_3G2) {
2777 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2778 minor = has_h264 ? 0x20000 : 0x10000;
2779 }else if (mov->mode == MODE_PSP)
2780 ffio_wfourcc(pb, "MSNV");
2781 else if (mov->mode == MODE_MP4)
2782 ffio_wfourcc(pb, "isom");
2783 else if (mov->mode == MODE_IPOD)
2784 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2785 else if (mov->mode == MODE_ISM)
2786 ffio_wfourcc(pb, "isml");
2787 else if (mov->mode == MODE_F4V)
2788 ffio_wfourcc(pb, "f4v ");
2790 ffio_wfourcc(pb, "qt ");
2792 avio_wb32(pb, minor);
2794 if(mov->mode == MODE_MOV)
2795 ffio_wfourcc(pb, "qt ");
2796 else if (mov->mode == MODE_ISM) {
2797 ffio_wfourcc(pb, "piff");
2798 ffio_wfourcc(pb, "iso2");
2800 ffio_wfourcc(pb, "isom");
2801 ffio_wfourcc(pb, "iso2");
2803 ffio_wfourcc(pb, "avc1");
2806 if (mov->mode == MODE_3GP)
2807 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2808 else if (mov->mode & MODE_3G2)
2809 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2810 else if (mov->mode == MODE_PSP)
2811 ffio_wfourcc(pb, "MSNV");
2812 else if (mov->mode == MODE_MP4)
2813 ffio_wfourcc(pb, "mp41");
2814 return update_size(pb, pos);
2817 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2819 AVCodecContext *video_codec = s->streams[0]->codec;
2820 AVCodecContext *audio_codec = s->streams[1]->codec;
2821 int audio_rate = audio_codec->sample_rate;
2822 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2823 int audio_kbitrate = audio_codec->bit_rate / 1000;
2824 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2826 avio_wb32(pb, 0x94); /* size */
2827 ffio_wfourcc(pb, "uuid");
2828 ffio_wfourcc(pb, "PROF");
2830 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2831 avio_wb32(pb, 0xbb88695c);
2832 avio_wb32(pb, 0xfac9c740);
2834 avio_wb32(pb, 0x0); /* ? */
2835 avio_wb32(pb, 0x3); /* 3 sections ? */
2837 avio_wb32(pb, 0x14); /* size */
2838 ffio_wfourcc(pb, "FPRF");
2839 avio_wb32(pb, 0x0); /* ? */
2840 avio_wb32(pb, 0x0); /* ? */
2841 avio_wb32(pb, 0x0); /* ? */
2843 avio_wb32(pb, 0x2c); /* size */
2844 ffio_wfourcc(pb, "APRF");/* audio */
2846 avio_wb32(pb, 0x2); /* TrackID */
2847 ffio_wfourcc(pb, "mp4a");
2848 avio_wb32(pb, 0x20f);
2850 avio_wb32(pb, audio_kbitrate);
2851 avio_wb32(pb, audio_kbitrate);
2852 avio_wb32(pb, audio_rate);
2853 avio_wb32(pb, audio_codec->channels);
2855 avio_wb32(pb, 0x34); /* size */
2856 ffio_wfourcc(pb, "VPRF"); /* video */
2858 avio_wb32(pb, 0x1); /* TrackID */
2859 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2860 ffio_wfourcc(pb, "avc1");
2861 avio_wb16(pb, 0x014D);
2862 avio_wb16(pb, 0x0015);
2864 ffio_wfourcc(pb, "mp4v");
2865 avio_wb16(pb, 0x0000);
2866 avio_wb16(pb, 0x0103);
2869 avio_wb32(pb, video_kbitrate);
2870 avio_wb32(pb, video_kbitrate);
2871 avio_wb32(pb, frame_rate);
2872 avio_wb32(pb, frame_rate);
2873 avio_wb16(pb, video_codec->width);
2874 avio_wb16(pb, video_codec->height);
2875 avio_wb32(pb, 0x010001); /* ? */
2878 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2881 int i, closed_gop = 0;
2883 for (i = 0; i < pkt->size - 4; i++) {
2884 c = (c<<8) + pkt->data[i];
2885 if (c == 0x1b8) { // gop
2886 closed_gop = pkt->data[i+4]>>6 & 0x01;
2887 } else if (c == 0x100) { // pic
2888 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2889 if (!temp_ref || closed_gop) // I picture is not reordered
2890 *flags = MOV_SYNC_SAMPLE;
2892 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2899 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2901 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2902 int seq = 0, entry = 0;
2903 int key = pkt->flags & AV_PKT_FLAG_KEY;
2904 start = find_next_marker(pkt->data, end);
2905 for (next = start; next < end; start = next) {
2906 next = find_next_marker(start + 4, end);
2907 switch (AV_RB32(start)) {
2908 case VC1_CODE_SEQHDR:
2911 case VC1_CODE_ENTRYPOINT:
2914 case VC1_CODE_SLICE:
2915 trk->vc1_info.slices = 1;
2919 if (!trk->entry && !fragment) {
2920 /* First packet in first fragment */
2921 trk->vc1_info.first_packet_seq = seq;
2922 trk->vc1_info.first_packet_entry = entry;
2923 } else if ((seq && !trk->vc1_info.packet_seq) ||
2924 (entry && !trk->vc1_info.packet_entry)) {
2926 for (i = 0; i < trk->entry; i++)
2927 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2928 trk->has_keyframes = 0;
2930 trk->vc1_info.packet_seq = 1;
2932 trk->vc1_info.packet_entry = 1;
2934 /* First fragment */
2935 if ((!seq || trk->vc1_info.first_packet_seq) &&
2936 (!entry || trk->vc1_info.first_packet_entry)) {
2937 /* First packet had the same headers as this one, readd the
2938 * sync sample flag. */
2939 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2940 trk->has_keyframes = 1;
2944 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2946 else if (trk->vc1_info.packet_seq)
2948 else if (trk->vc1_info.packet_entry)
2951 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2952 trk->has_keyframes++;
2956 static int get_moov_size(AVFormatContext *s)
2960 AVIOContext *moov_buf;
2961 MOVMuxContext *mov = s->priv_data;
2963 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2965 mov_write_moov_tag(moov_buf, mov, s);
2966 ret = avio_close_dyn_buf(moov_buf, &buf);
2971 static int mov_flush_fragment(AVFormatContext *s)
2973 MOVMuxContext *mov = s->priv_data;
2974 int i, first_track = -1;
2975 int64_t mdat_size = 0;
2977 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2980 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2981 int64_t pos = avio_tell(s->pb);
2983 int buf_size, moov_size;
2985 for (i = 0; i < mov->nb_streams; i++)
2986 if (!mov->tracks[i].entry)
2988 /* Don't write the initial moov unless all tracks have data */
2989 if (i < mov->nb_streams)
2992 moov_size = get_moov_size(s);
2993 for (i = 0; i < mov->nb_streams; i++)
2994 mov->tracks[i].data_offset = pos + moov_size + 8;
2996 mov_write_moov_tag(s->pb, mov, s);
2998 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2999 mov->mdat_buf = NULL;
3000 avio_wb32(s->pb, buf_size + 8);
3001 ffio_wfourcc(s->pb, "mdat");
3002 avio_write(s->pb, buf, buf_size);
3007 for (i = 0; i < mov->nb_streams; i++) {
3008 if (mov->tracks[i].entry)
3009 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3010 mov->tracks[i].track_duration -
3011 mov->tracks[i].cluster[0].dts;
3012 mov->tracks[i].entry = 0;
3018 for (i = 0; i < mov->nb_streams; i++) {
3019 MOVTrack *track = &mov->tracks[i];
3020 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3021 track->data_offset = 0;
3023 track->data_offset = mdat_size;
3024 if (!track->mdat_buf)
3026 mdat_size += avio_tell(track->mdat_buf);
3027 if (first_track < 0)
3034 for (i = 0; i < mov->nb_streams; i++) {
3035 MOVTrack *track = &mov->tracks[i];
3036 int buf_size, write_moof = 1, moof_tracks = -1;
3038 int64_t duration = 0;
3041 duration = track->start_dts + track->track_duration -
3042 track->cluster[0].dts;
3043 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3044 if (!track->mdat_buf)
3046 mdat_size = avio_tell(track->mdat_buf);
3049 write_moof = i == first_track;
3053 MOVFragmentInfo *info;
3055 track->nb_frag_info++;
3056 track->frag_info = av_realloc(track->frag_info,
3057 sizeof(*track->frag_info) *
3058 track->nb_frag_info);
3059 info = &track->frag_info[track->nb_frag_info - 1];
3060 info->offset = avio_tell(s->pb);
3061 info->time = mov->tracks[i].frag_start;
3062 info->duration = duration;
3063 mov_write_tfrf_tags(s->pb, mov, track);
3065 mov_write_moof_tag(s->pb, mov, moof_tracks);
3066 info->tfrf_offset = track->tfrf_offset;
3069 avio_wb32(s->pb, mdat_size + 8);
3070 ffio_wfourcc(s->pb, "mdat");
3074 track->frag_start += duration;
3076 if (!track->mdat_buf)
3078 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3079 track->mdat_buf = NULL;
3081 avio_write(s->pb, buf, buf_size);
3091 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3093 MOVMuxContext *mov = s->priv_data;
3094 AVIOContext *pb = s->pb;
3095 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3096 AVCodecContext *enc = trk->enc;
3097 unsigned int samples_in_chunk = 0;
3098 int size= pkt->size;
3099 uint8_t *reformatted_data = NULL;
3101 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3103 if (mov->fragments > 0) {
3104 if (!trk->mdat_buf) {
3105 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3110 if (!mov->mdat_buf) {
3111 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3118 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3119 /* We must find out how many AMR blocks there are in one packet */
3120 static uint16_t packed_size[16] =
3121 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3124 while (len < size && samples_in_chunk < 100) {
3125 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3128 if (samples_in_chunk > 1) {
3129 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3132 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3133 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3134 samples_in_chunk = enc->frame_size;
3135 } else if (trk->sample_size)
3136 samples_in_chunk = size / trk->sample_size;
3138 samples_in_chunk = 1;
3140 /* copy extradata if it exists */
3141 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3142 trk->vos_len = enc->extradata_size;
3143 trk->vos_data = av_malloc(trk->vos_len);
3144 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3147 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3148 /* from x264 or from bytestream h264 */
3149 /* nal reformating needed */
3150 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3151 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3153 avio_write(pb, reformatted_data, size);
3155 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3157 } else if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3158 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3159 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
3162 avio_write(pb, pkt->data, size);
3165 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3166 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3167 /* copy frame to create needed atoms */
3168 trk->vos_len = size;
3169 trk->vos_data = av_malloc(size);
3171 return AVERROR(ENOMEM);
3172 memcpy(trk->vos_data, pkt->data, size);
3175 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
3176 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
3181 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3182 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3183 trk->cluster[trk->entry].chunkNum = 0;
3184 trk->cluster[trk->entry].size = size;
3185 trk->cluster[trk->entry].entries = samples_in_chunk;
3186 trk->cluster[trk->entry].dts = pkt->dts;
3187 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3188 /* First packet of a new fragment. We already wrote the duration
3189 * of the last packet of the previous fragment based on track_duration,
3190 * which might not exactly match our dts. Therefore adjust the dts
3191 * of this packet to be what the previous packets duration implies. */
3192 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3194 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3195 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3197 if (trk->start_dts == AV_NOPTS_VALUE)
3198 trk->start_dts = pkt->dts;
3199 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3200 trk->last_sample_is_subtitle_end = 0;
3202 if (pkt->pts == AV_NOPTS_VALUE) {
3203 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3204 pkt->pts = pkt->dts;
3206 if (pkt->dts != pkt->pts)
3207 trk->flags |= MOV_TRACK_CTTS;
3208 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3209 trk->cluster[trk->entry].flags = 0;
3210 if (enc->codec_id == AV_CODEC_ID_VC1) {
3211 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3212 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3213 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3214 trk->entry > 0) { // force sync sample for the first key frame
3215 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3216 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3217 trk->flags |= MOV_TRACK_STPS;
3219 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3221 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3222 trk->has_keyframes++;
3225 trk->sample_count += samples_in_chunk;
3226 mov->mdat_size += size;
3230 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3231 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3232 reformatted_data, size);
3233 av_free(reformatted_data);
3237 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3239 MOVMuxContext *mov = s->priv_data;
3240 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3241 AVCodecContext *enc = trk->enc;
3242 int64_t frag_duration = 0;
3243 int size = pkt->size;
3245 if (!pkt->size) return 0; /* Discard 0 sized packets */
3247 if (trk->entry && pkt->stream_index < s->nb_streams)
3248 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3249 s->streams[pkt->stream_index]->time_base,
3251 if ((mov->max_fragment_duration &&
3252 frag_duration >= mov->max_fragment_duration) ||
3253 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3254 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3255 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3256 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3257 if (frag_duration >= mov->min_fragment_duration)
3258 mov_flush_fragment(s);
3261 return ff_mov_write_packet(s, pkt);
3264 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3268 uint8_t data[2] = {0};
3271 av_init_packet(&end);
3272 end.size = sizeof(data);
3277 end.stream_index = stream_index;
3279 ret = mov_write_single_packet(s, &end);
3280 av_free_packet(&end);
3285 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3288 mov_flush_fragment(s);
3292 MOVMuxContext *mov = s->priv_data;
3294 if (!pkt->size) return 0; /* Discard 0 sized packets */
3297 * Subtitles require special handling.
3299 * 1) For full complaince, every track must have a sample at
3300 * dts == 0, which is rarely true for subtitles. So, as soon
3301 * as we see any packet with dts > 0, write an empty subtitle
3302 * at dts == 0 for any subtitle track with no samples in it.
3304 * 2) For each subtitle track, check if the current packet's
3305 * dts is past the duration of the last subtitle sample. If
3306 * so, we now need to write an end sample for that subtitle.
3308 * This must be done conditionally to allow for subtitles that
3309 * immediately replace each other, in which case an end sample
3310 * is not needed, and is, in fact, actively harmful.
3312 * 3) See mov_write_trailer for how the final end sample is
3315 for (i = 0; i < mov->nb_streams; i++) {
3316 MOVTrack *trk = &mov->tracks[i];
3319 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3320 trk->track_duration < pkt->dts &&
3321 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3322 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3323 if (ret < 0) return ret;
3324 trk->last_sample_is_subtitle_end = 1;
3328 return mov_write_single_packet(s, pkt);
3332 // QuickTime chapters involve an additional text track with the chapter names
3333 // as samples, and a tref pointing from the other tracks to the chapter one.
3334 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3338 MOVMuxContext *mov = s->priv_data;
3339 MOVTrack *track = &mov->tracks[tracknum];
3340 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3343 track->mode = mov->mode;
3344 track->tag = MKTAG('t','e','x','t');
3345 track->timescale = MOV_TIMESCALE;
3346 track->enc = avcodec_alloc_context3(NULL);
3347 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3349 if (avio_open_dyn_buf(&pb) >= 0) {
3353 /* Stub header (usually for Quicktime chapter track) */
3355 avio_wb32(pb, 0x01); // displayFlags
3356 avio_w8(pb, 0x00); // horizontal justification
3357 avio_w8(pb, 0x00); // vertical justification
3358 avio_w8(pb, 0x00); // bgColourRed
3359 avio_w8(pb, 0x00); // bgColourGreen
3360 avio_w8(pb, 0x00); // bgColourBlue
3361 avio_w8(pb, 0x00); // bgColourAlpha
3363 avio_wb16(pb, 0x00); // defTextBoxTop
3364 avio_wb16(pb, 0x00); // defTextBoxLeft
3365 avio_wb16(pb, 0x00); // defTextBoxBottom
3366 avio_wb16(pb, 0x00); // defTextBoxRight
3368 avio_wb16(pb, 0x00); // startChar
3369 avio_wb16(pb, 0x00); // endChar
3370 avio_wb16(pb, 0x01); // fontID
3371 avio_w8(pb, 0x00); // fontStyleFlags
3372 avio_w8(pb, 0x00); // fontSize
3373 avio_w8(pb, 0x00); // fgColourRed
3374 avio_w8(pb, 0x00); // fgColourGreen
3375 avio_w8(pb, 0x00); // fgColourBlue
3376 avio_w8(pb, 0x00); // fgColourAlpha
3378 avio_wb32(pb, 0x0D); // box size
3379 ffio_wfourcc(pb, "ftab"); // box atom name
3380 avio_wb16(pb, 0x01); // entry count
3382 avio_wb16(pb, 0x01); // font ID
3383 avio_w8(pb, 0x00); // font name length
3385 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3386 track->enc->extradata = buf;
3387 track->enc->extradata_size = size;
3393 for (i = 0; i < s->nb_chapters; i++) {
3394 AVChapter *c = s->chapters[i];
3395 AVDictionaryEntry *t;
3397 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3398 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3399 pkt.duration = end - pkt.dts;
3401 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3402 len = strlen(t->value);
3404 pkt.data = av_malloc(pkt.size);
3405 AV_WB16(pkt.data, len);
3406 memcpy(pkt.data+2, t->value, len);
3407 ff_mov_write_packet(s, &pkt);
3408 av_freep(&pkt.data);
3413 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3416 MOVMuxContext *mov = s->priv_data;
3417 MOVTrack *track = &mov->tracks[index];
3418 AVStream *src_st = s->streams[src_index];
3420 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3421 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3423 /* if the codec time base makes no sense, try to fallback on stream frame rate */
3424 if (av_timecode_check_frame_rate(rate) < 0) {
3425 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3426 rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3427 rate = src_st->avg_frame_rate;
3430 /* compute the frame number */
3431 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3435 /* tmcd track based on video stream */
3436 track->mode = mov->mode;
3437 track->tag = MKTAG('t','m','c','d');
3438 track->src_track = src_index;
3439 track->timescale = mov->tracks[src_index].timescale;
3440 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3441 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3443 /* encode context: tmcd data stream */
3444 track->enc = avcodec_alloc_context3(NULL);
3445 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3446 track->enc->codec_tag = track->tag;
3447 track->enc->time_base = src_st->codec->time_base;
3449 /* the tmcd track just contains one packet with the frame number */
3450 pkt.data = av_malloc(pkt.size);
3451 AV_WB32(pkt.data, tc.start);
3452 ret = ff_mov_write_packet(s, &pkt);
3457 static int mov_write_header(AVFormatContext *s)
3459 AVIOContext *pb = s->pb;
3460 MOVMuxContext *mov = s->priv_data;
3461 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3462 int i, hint_track = 0, tmcd_track = 0;
3464 /* Set the FRAGMENT flag if any of the fragmentation methods are
3466 if (mov->max_fragment_duration || mov->max_fragment_size ||
3467 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3468 FF_MOV_FLAG_FRAG_KEYFRAME |
3469 FF_MOV_FLAG_FRAG_CUSTOM))
3470 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3472 /* faststart: moov at the beginning of the file, if supported */
3473 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3474 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3475 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3477 mov->reserved_moov_size = -1;
3480 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3481 s->avoid_negative_ts = 1;
3484 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3485 * is enabled, we don't support non-seekable output at all. */
3486 if (!s->pb->seekable &&
3487 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3488 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3489 || mov->ism_lookahead)) {
3490 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3494 /* Default mode == MP4 */
3495 mov->mode = MODE_MP4;
3497 if (s->oformat != NULL) {
3498 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3499 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3500 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3501 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3502 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3503 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3504 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3506 mov_write_ftyp_tag(pb,s);
3507 if (mov->mode == MODE_PSP) {
3508 if (s->nb_streams != 2) {
3509 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3512 mov_write_uuidprof_tag(pb,s);
3516 mov->nb_streams = s->nb_streams;
3517 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3518 mov->chapter_track = mov->nb_streams++;
3520 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3521 /* Add hint tracks for each audio and video stream */
3522 hint_track = mov->nb_streams;
3523 for (i = 0; i < s->nb_streams; i++) {
3524 AVStream *st = s->streams[i];
3525 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3526 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3532 if (mov->mode == MODE_MOV) {
3533 tmcd_track = mov->nb_streams;
3535 /* +1 tmcd track for each video stream with a timecode */
3536 for (i = 0; i < s->nb_streams; i++) {
3537 AVStream *st = s->streams[i];
3538 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3539 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3540 mov->nb_meta_tmcd++;
3543 /* check if there is already a tmcd track to remux */
3544 if (mov->nb_meta_tmcd) {
3545 for (i = 0; i < s->nb_streams; i++) {
3546 AVStream *st = s->streams[i];
3547 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3548 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3549 "so timecode metadata are now ignored\n");
3550 mov->nb_meta_tmcd = 0;
3555 mov->nb_streams += mov->nb_meta_tmcd;
3558 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3560 return AVERROR(ENOMEM);
3562 for(i=0; i<s->nb_streams; i++){
3563 AVStream *st= s->streams[i];
3564 MOVTrack *track= &mov->tracks[i];
3565 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3567 track->enc = st->codec;
3568 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3569 if (track->language < 0)
3570 track->language = 0;
3571 track->mode = mov->mode;
3572 track->tag = mov_find_codec_tag(s, track);
3574 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3575 "codec not currently supported in container\n", i);
3578 /* If hinting of this track is enabled by a later hint track,
3579 * this is updated. */
3580 track->hint_track = -1;
3581 track->start_dts = AV_NOPTS_VALUE;
3582 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3583 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3584 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3585 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3586 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3587 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3590 track->height = track->tag>>24 == 'n' ? 486 : 576;
3592 track->timescale = st->codec->time_base.den;
3593 while(track->timescale < 10000)
3594 track->timescale *= 2;
3595 if (track->mode == MODE_MOV && track->timescale > 100000)
3596 av_log(s, AV_LOG_WARNING,
3597 "WARNING codec timebase is very high. If duration is too long,\n"
3598 "file may not be playable by quicktime. Specify a shorter timebase\n"
3599 "or choose different container.\n");
3600 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3601 track->timescale = st->codec->sample_rate;
3602 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3603 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3604 track->audio_vbr = 1;
3605 }else if(st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3606 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3607 st->codec->codec_id == AV_CODEC_ID_ILBC){
3608 if (!st->codec->block_align) {
3609 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3612 track->sample_size = st->codec->block_align;
3613 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3614 track->audio_vbr = 1;
3616 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3618 if (track->mode != MODE_MOV &&
3619 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3620 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3621 i, track->enc->sample_rate);
3624 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3625 track->timescale = st->codec->time_base.den;
3627 track->timescale = MOV_TIMESCALE;
3630 track->height = st->codec->height;
3631 /* The ism specific timescale isn't mandatory, but is assumed by
3632 * some tools, such as mp4split. */
3633 if (mov->mode == MODE_ISM)
3634 track->timescale = 10000000;
3636 avpriv_set_pts_info(st, 64, 1, track->timescale);
3638 /* copy extradata if it exists */
3639 if (st->codec->extradata_size) {
3640 track->vos_len = st->codec->extradata_size;
3641 track->vos_data = av_malloc(track->vos_len);
3642 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3646 if (mov->mode == MODE_ISM) {
3647 /* If no fragmentation options have been set, set a default. */
3648 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3649 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3650 !mov->max_fragment_duration && !mov->max_fragment_size)
3651 mov->max_fragment_duration = 5000000;
3652 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3653 FF_MOV_FLAG_FRAGMENT;
3656 if(mov->reserved_moov_size){
3657 mov->reserved_moov_pos= avio_tell(pb);
3658 if (mov->reserved_moov_size > 0)
3659 avio_skip(pb, mov->reserved_moov_size);
3662 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3663 mov_write_mdat_tag(pb, mov);
3665 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3666 mov->time = ff_iso8601_to_unix_time(t->value);
3668 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3670 if (mov->chapter_track)
3671 mov_create_chapter_track(s, mov->chapter_track);
3673 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3674 /* Initialize the hint tracks for each audio and video stream */
3675 for (i = 0; i < s->nb_streams; i++) {
3676 AVStream *st = s->streams[i];
3677 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3678 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3679 ff_mov_init_hinting(s, hint_track, i);
3685 if (mov->nb_meta_tmcd) {
3686 /* Initialize the tmcd tracks */
3687 for (i = 0; i < s->nb_streams; i++) {
3688 AVStream *st = s->streams[i];
3691 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3693 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3696 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3705 if (mov->flags & FF_MOV_FLAG_ISML)
3706 mov_write_isml_manifest(pb, mov);
3708 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3709 mov_write_moov_tag(pb, mov, s);
3715 av_freep(&mov->tracks);
3720 * This function gets the moov size if moved to the top of the file: the chunk
3721 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3722 * entries) when the moov is moved to the top, so the size of the moov would
3723 * change. It also updates the chunk offset tables.
3725 static int compute_moov_size(AVFormatContext *s)
3727 int i, moov_size, moov_size2;
3728 MOVMuxContext *mov = s->priv_data;
3730 moov_size = get_moov_size(s);
3734 for (i = 0; i < mov->nb_streams; i++)
3735 mov->tracks[i].data_offset += moov_size;
3737 moov_size2 = get_moov_size(s);
3741 /* if the size changed, we just switched from stco to co64 and needs to
3742 * update the offsets */
3743 if (moov_size2 != moov_size)
3744 for (i = 0; i < mov->nb_streams; i++)
3745 mov->tracks[i].data_offset += moov_size2 - moov_size;
3750 static int shift_data(AVFormatContext *s)
3752 int ret = 0, moov_size;
3753 MOVMuxContext *mov = s->priv_data;
3754 int64_t pos, pos_end = avio_tell(s->pb);
3755 uint8_t *buf, *read_buf[2];
3756 int read_buf_id = 0;
3758 AVIOContext *read_pb;
3760 moov_size = compute_moov_size(s);
3764 buf = av_malloc(moov_size * 2);
3766 return AVERROR(ENOMEM);
3768 read_buf[1] = buf + moov_size;
3770 /* Shift the data: the AVIO context of the output can only be used for
3771 * writing, so we re-open the same output, but for reading. It also avoids
3772 * a read/seek/write/seek back and forth. */
3774 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3776 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3777 "the second pass (faststart)\n", s->filename);
3781 /* mark the end of the shift to up to the last data we wrote, and get ready
3783 pos_end = avio_tell(s->pb);
3784 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3786 /* start reading at where the new moov will be placed */
3787 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3788 pos = avio_tell(read_pb);
3790 #define READ_BLOCK do { \
3791 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3795 /* shift data by chunk of at most moov_size */
3800 n = read_size[read_buf_id];
3803 avio_write(s->pb, read_buf[read_buf_id], n);
3805 } while (pos < pos_end);
3806 avio_close(read_pb);
3813 static int mov_write_trailer(AVFormatContext *s)
3815 MOVMuxContext *mov = s->priv_data;
3816 AVIOContext *pb = s->pb;
3822 * Before actually writing the trailer, make sure that there are no
3823 * dangling subtitles, that need a terminating sample.
3825 for (i = 0; i < mov->nb_streams; i++) {
3826 MOVTrack *trk = &mov->tracks[i];
3827 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3828 !trk->last_sample_is_subtitle_end) {
3829 mov_write_subtitle_end_packet(s, i, trk->track_duration);
3830 trk->last_sample_is_subtitle_end = 1;
3834 moov_pos = avio_tell(pb);
3836 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3837 /* Write size of mdat tag */
3838 if (mov->mdat_size + 8 <= UINT32_MAX) {
3839 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3840 avio_wb32(pb, mov->mdat_size + 8);
3842 /* overwrite 'wide' placeholder atom */
3843 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3844 /* special value: real atom size will be 64 bit value after
3847 ffio_wfourcc(pb, "mdat");
3848 avio_wb64(pb, mov->mdat_size + 16);
3850 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3852 if (mov->reserved_moov_size == -1) {
3853 av_log(s, AV_LOG_INFO, "Starting second pass: moving header on top of the file\n");
3854 res = shift_data(s);
3856 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3857 mov_write_moov_tag(pb, mov, s);
3859 } else if (mov->reserved_moov_size > 0) {
3861 mov_write_moov_tag(pb, mov, s);
3862 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3864 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3867 avio_wb32(pb, size);
3868 ffio_wfourcc(pb, "free");
3869 for(i=0; i<size; i++)
3871 avio_seek(pb, moov_pos, SEEK_SET);
3873 mov_write_moov_tag(pb, mov, s);
3876 mov_flush_fragment(s);
3877 mov_write_mfra_tag(pb, mov);
3880 if (mov->chapter_track)
3881 av_freep(&mov->tracks[mov->chapter_track].enc);
3883 for (i=0; i<mov->nb_streams; i++) {
3884 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3885 ff_mov_close_hinting(&mov->tracks[i]);
3886 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3887 av_freep(&mov->tracks[i].enc);
3888 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3889 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3890 int64_t off = avio_tell(pb);
3892 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3893 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3894 avio_write(pb, buf, 7);
3895 avio_seek(pb, off, SEEK_SET);
3898 av_freep(&mov->tracks[i].cluster);
3899 av_freep(&mov->tracks[i].frag_info);
3901 if (mov->tracks[i].vos_len)
3902 av_free(mov->tracks[i].vos_data);
3906 av_freep(&mov->tracks);
3911 #if CONFIG_MOV_MUXER
3913 AVOutputFormat ff_mov_muxer = {
3915 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3916 .extensions = "mov",
3917 .priv_data_size = sizeof(MOVMuxContext),
3918 .audio_codec = AV_CODEC_ID_AAC,
3919 .video_codec = CONFIG_LIBX264_ENCODER ?
3920 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3921 .write_header = mov_write_header,
3922 .write_packet = mov_write_packet,
3923 .write_trailer = mov_write_trailer,
3924 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3925 .codec_tag = (const AVCodecTag* const []){
3926 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3928 .priv_class = &mov_muxer_class,
3931 #if CONFIG_TGP_MUXER
3933 AVOutputFormat ff_tgp_muxer = {
3935 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3936 .extensions = "3gp",
3937 .priv_data_size = sizeof(MOVMuxContext),
3938 .audio_codec = AV_CODEC_ID_AMR_NB,
3939 .video_codec = AV_CODEC_ID_H263,
3940 .write_header = mov_write_header,
3941 .write_packet = mov_write_packet,
3942 .write_trailer = mov_write_trailer,
3943 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3944 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3945 .priv_class = &tgp_muxer_class,
3948 #if CONFIG_MP4_MUXER
3950 AVOutputFormat ff_mp4_muxer = {
3952 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3953 .mime_type = "application/mp4",
3954 .extensions = "mp4",
3955 .priv_data_size = sizeof(MOVMuxContext),
3956 .audio_codec = AV_CODEC_ID_AAC,
3957 .video_codec = CONFIG_LIBX264_ENCODER ?
3958 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3959 .write_header = mov_write_header,
3960 .write_packet = mov_write_packet,
3961 .write_trailer = mov_write_trailer,
3962 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3963 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3964 .priv_class = &mp4_muxer_class,
3967 #if CONFIG_PSP_MUXER
3969 AVOutputFormat ff_psp_muxer = {
3971 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
3972 .extensions = "mp4,psp",
3973 .priv_data_size = sizeof(MOVMuxContext),
3974 .audio_codec = AV_CODEC_ID_AAC,
3975 .video_codec = CONFIG_LIBX264_ENCODER ?
3976 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3977 .write_header = mov_write_header,
3978 .write_packet = mov_write_packet,
3979 .write_trailer = mov_write_trailer,
3980 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3981 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3982 .priv_class = &psp_muxer_class,
3985 #if CONFIG_TG2_MUXER
3987 AVOutputFormat ff_tg2_muxer = {
3989 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
3990 .extensions = "3g2",
3991 .priv_data_size = sizeof(MOVMuxContext),
3992 .audio_codec = AV_CODEC_ID_AMR_NB,
3993 .video_codec = AV_CODEC_ID_H263,
3994 .write_header = mov_write_header,
3995 .write_packet = mov_write_packet,
3996 .write_trailer = mov_write_trailer,
3997 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3998 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3999 .priv_class = &tg2_muxer_class,
4002 #if CONFIG_IPOD_MUXER
4004 AVOutputFormat ff_ipod_muxer = {
4006 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4007 .mime_type = "application/mp4",
4008 .extensions = "m4v,m4a",
4009 .priv_data_size = sizeof(MOVMuxContext),
4010 .audio_codec = AV_CODEC_ID_AAC,
4011 .video_codec = AV_CODEC_ID_H264,
4012 .write_header = mov_write_header,
4013 .write_packet = mov_write_packet,
4014 .write_trailer = mov_write_trailer,
4015 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4016 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4017 .priv_class = &ipod_muxer_class,
4020 #if CONFIG_ISMV_MUXER
4022 AVOutputFormat ff_ismv_muxer = {
4024 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4025 .mime_type = "application/mp4",
4026 .extensions = "ismv,isma",
4027 .priv_data_size = sizeof(MOVMuxContext),
4028 .audio_codec = AV_CODEC_ID_AAC,
4029 .video_codec = AV_CODEC_ID_H264,
4030 .write_header = mov_write_header,
4031 .write_packet = mov_write_packet,
4032 .write_trailer = mov_write_trailer,
4033 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4034 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4035 .priv_class = &ismv_muxer_class,
4038 #if CONFIG_F4V_MUXER
4040 AVOutputFormat ff_f4v_muxer = {
4042 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4043 .mime_type = "application/f4v",
4044 .extensions = "f4v",
4045 .priv_data_size = sizeof(MOVMuxContext),
4046 .audio_codec = AV_CODEC_ID_AAC,
4047 .video_codec = AV_CODEC_ID_H264,
4048 .write_header = mov_write_header,
4049 .write_packet = mov_write_packet,
4050 .write_trailer = mov_write_trailer,
4051 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4052 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4053 .priv_class = &f4v_muxer_class,