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},
65 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
69 #define MOV_CLASS(flavor)\
70 static const AVClass flavor ## _muxer_class = {\
71 .class_name = #flavor " muxer",\
72 .item_name = av_default_item_name,\
74 .version = LIBAVUTIL_VERSION_INT,\
77 //FIXME support 64 bit variant with wide placeholders
78 static int64_t update_size(AVIOContext *pb, int64_t pos)
80 int64_t curpos = avio_tell(pb);
81 avio_seek(pb, pos, SEEK_SET);
82 avio_wb32(pb, curpos - pos); /* rewrite size */
83 avio_seek(pb, curpos, SEEK_SET);
88 static int supports_edts(MOVMuxContext *mov)
90 // EDTS with fragments is tricky as we dont know the duration when its written
91 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
94 static int is_co64_required(const MOVTrack *track)
98 for (i = 0; i < track->entry; i++) {
99 if (!track->cluster[i].chunkNum)
101 if (track->cluster[i].pos + track->data_offset > UINT32_MAX)
107 /* Chunk offset atom */
108 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
111 int mode64 = is_co64_required(track); // use 32 bit size variant if possible
112 int64_t pos = avio_tell(pb);
113 avio_wb32(pb, 0); /* size */
115 ffio_wfourcc(pb, "co64");
117 ffio_wfourcc(pb, "stco");
118 avio_wb32(pb, 0); /* version & flags */
119 avio_wb32(pb, track->chunkCount); /* entry count */
120 for (i=0; i<track->entry; i++) {
121 if(!track->cluster[i].chunkNum)
124 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
126 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
128 return update_size(pb, pos);
131 /* Sample size atom */
132 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
135 int i, j, entries = 0, tst = -1, oldtst = -1;
137 int64_t pos = avio_tell(pb);
138 avio_wb32(pb, 0); /* size */
139 ffio_wfourcc(pb, "stsz");
140 avio_wb32(pb, 0); /* version & flags */
142 for (i=0; i<track->entry; i++) {
143 tst = track->cluster[i].size/track->cluster[i].entries;
144 if(oldtst != -1 && tst != oldtst) {
148 entries += track->cluster[i].entries;
150 if (equalChunks && track->entry) {
151 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
152 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
153 avio_wb32(pb, sSize); // sample size
154 avio_wb32(pb, entries); // sample count
157 avio_wb32(pb, 0); // sample size
158 avio_wb32(pb, entries); // sample count
159 for (i=0; i<track->entry; i++) {
160 for (j=0; j<track->cluster[i].entries; j++) {
161 avio_wb32(pb, track->cluster[i].size /
162 track->cluster[i].entries);
166 return update_size(pb, pos);
169 /* Sample to chunk atom */
170 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
172 int index = 0, oldval = -1, i;
173 int64_t entryPos, curpos;
175 int64_t pos = avio_tell(pb);
176 avio_wb32(pb, 0); /* size */
177 ffio_wfourcc(pb, "stsc");
178 avio_wb32(pb, 0); // version & flags
179 entryPos = avio_tell(pb);
180 avio_wb32(pb, track->chunkCount); // entry count
181 for (i=0; i<track->entry; i++) {
182 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
184 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
185 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
186 avio_wb32(pb, 0x1); // sample description index
187 oldval = track->cluster[i].samples_in_chunk;
191 curpos = avio_tell(pb);
192 avio_seek(pb, entryPos, SEEK_SET);
193 avio_wb32(pb, index); // rewrite size
194 avio_seek(pb, curpos, SEEK_SET);
196 return update_size(pb, pos);
199 /* Sync sample atom */
200 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
202 int64_t curpos, entryPos;
204 int64_t pos = avio_tell(pb);
205 avio_wb32(pb, 0); // size
206 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
207 avio_wb32(pb, 0); // version & flags
208 entryPos = avio_tell(pb);
209 avio_wb32(pb, track->entry); // entry count
210 for (i=0; i<track->entry; i++) {
211 if (track->cluster[i].flags & flag) {
216 curpos = avio_tell(pb);
217 avio_seek(pb, entryPos, SEEK_SET);
218 avio_wb32(pb, index); // rewrite size
219 avio_seek(pb, curpos, SEEK_SET);
220 return update_size(pb, pos);
223 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
225 avio_wb32(pb, 0x11); /* size */
226 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
227 else ffio_wfourcc(pb, "damr");
228 ffio_wfourcc(pb, "FFMP");
229 avio_w8(pb, 0); /* decoder version */
231 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
232 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
233 avio_w8(pb, 0x01); /* Frames per sample */
237 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
242 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
244 if (track->vos_len < 7)
248 ffio_wfourcc(pb, "dac3");
250 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
251 fscod = get_bits(&gbc, 2);
252 frmsizecod = get_bits(&gbc, 6);
253 bsid = get_bits(&gbc, 5);
254 bsmod = get_bits(&gbc, 3);
255 acmod = get_bits(&gbc, 3);
257 skip_bits(&gbc, 2); // dsurmod
259 if ((acmod & 1) && acmod != 1)
260 skip_bits(&gbc, 2); // cmixlev
262 skip_bits(&gbc, 2); // surmixlev
264 lfeon = get_bits1(&gbc);
266 init_put_bits(&pbc, buf, sizeof(buf));
267 put_bits(&pbc, 2, fscod);
268 put_bits(&pbc, 5, bsid);
269 put_bits(&pbc, 3, bsmod);
270 put_bits(&pbc, 3, acmod);
271 put_bits(&pbc, 1, lfeon);
272 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
273 put_bits(&pbc, 5, 0); // reserved
275 flush_put_bits(&pbc);
276 avio_write(pb, buf, sizeof(buf));
282 * This function writes extradata "as is".
283 * Extradata must be formatted like a valid atom (with size and tag).
285 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
287 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
288 return track->enc->extradata_size;
291 static int mov_write_enda_tag(AVIOContext *pb)
294 ffio_wfourcc(pb, "enda");
295 avio_wb16(pb, 1); /* little endian */
299 static int mov_write_enda_tag_be(AVIOContext *pb)
302 ffio_wfourcc(pb, "enda");
303 avio_wb16(pb, 0); /* big endian */
307 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
312 avio_w8(pb, (size>>(7*i)) | 0x80);
313 avio_w8(pb, size & 0x7F);
316 static unsigned compute_avg_bitrate(MOVTrack *track)
320 if (!track->track_duration)
322 for (i = 0; i < track->entry; i++)
323 size += track->cluster[i].size;
324 return size * 8 * track->timescale / track->track_duration;
327 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
329 int64_t pos = avio_tell(pb);
330 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
331 unsigned avg_bitrate;
333 avio_wb32(pb, 0); // size
334 ffio_wfourcc(pb, "esds");
335 avio_wb32(pb, 0); // Version
338 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
339 avio_wb16(pb, track->track_id);
340 avio_w8(pb, 0x00); // flags (= no flags)
342 // DecoderConfig descriptor
343 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
345 // Object type indication
346 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
347 track->enc->codec_id == AV_CODEC_ID_MP3) &&
348 track->enc->sample_rate > 24000)
349 avio_w8(pb, 0x6B); // 11172-3
351 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
353 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
354 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
355 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
356 avio_w8(pb, 0x15); // flags (= Audiostream)
358 avio_w8(pb, 0x11); // flags (= Visualstream)
360 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // 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->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1132 mov_write_dvc1_tag(pb, track);
1133 else if (track->vos_len > 0)
1134 mov_write_glbl_tag(pb, track);
1136 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1137 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1138 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1139 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1140 mov_write_fiel_tag(pb, track);
1142 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1143 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1144 mov_write_pasp_tag(pb, track);
1147 return update_size(pb, pos);
1150 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1152 int64_t pos = avio_tell(pb);
1153 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1154 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1156 if (nb_frames > 255) {
1157 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1158 return AVERROR(EINVAL);
1161 avio_wb32(pb, 0); /* size */
1162 ffio_wfourcc(pb, "tmcd"); /* Data format */
1163 avio_wb32(pb, 0); /* Reserved */
1164 avio_wb32(pb, 1); /* Data reference index */
1165 avio_wb32(pb, 0); /* Flags */
1166 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1167 avio_wb32(pb, track->timescale); /* Timescale */
1168 avio_wb32(pb, frame_duration); /* Frame duration */
1169 avio_w8(pb, nb_frames); /* Number of frames */
1170 avio_wb24(pb, 0); /* Reserved */
1171 /* TODO: source reference string */
1172 return update_size(pb, pos);
1175 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1177 int64_t pos = avio_tell(pb);
1178 avio_wb32(pb, 0); /* size */
1179 ffio_wfourcc(pb, "rtp ");
1180 avio_wb32(pb, 0); /* Reserved */
1181 avio_wb16(pb, 0); /* Reserved */
1182 avio_wb16(pb, 1); /* Data-reference index */
1184 avio_wb16(pb, 1); /* Hint track version */
1185 avio_wb16(pb, 1); /* Highest compatible version */
1186 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1188 avio_wb32(pb, 12); /* size */
1189 ffio_wfourcc(pb, "tims");
1190 avio_wb32(pb, track->timescale);
1192 return update_size(pb, pos);
1195 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1197 int64_t pos = avio_tell(pb);
1198 avio_wb32(pb, 0); /* size */
1199 ffio_wfourcc(pb, "stsd");
1200 avio_wb32(pb, 0); /* version & flags */
1201 avio_wb32(pb, 1); /* entry count */
1202 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1203 mov_write_video_tag(pb, track);
1204 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1205 mov_write_audio_tag(pb, track);
1206 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1207 mov_write_subtitle_tag(pb, track);
1208 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1209 mov_write_rtp_tag(pb, track);
1210 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1211 mov_write_tmcd_tag(pb, track);
1212 return update_size(pb, pos);
1215 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1217 MOVStts *ctts_entries;
1218 uint32_t entries = 0;
1222 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1223 ctts_entries[0].count = 1;
1224 ctts_entries[0].duration = track->cluster[0].cts;
1225 for (i=1; i<track->entry; i++) {
1226 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1227 ctts_entries[entries].count++; /* compress */
1230 ctts_entries[entries].duration = track->cluster[i].cts;
1231 ctts_entries[entries].count = 1;
1234 entries++; /* last one */
1235 atom_size = 16 + (entries * 8);
1236 avio_wb32(pb, atom_size); /* size */
1237 ffio_wfourcc(pb, "ctts");
1238 avio_wb32(pb, 0); /* version & flags */
1239 avio_wb32(pb, entries); /* entry count */
1240 for (i=0; i<entries; i++) {
1241 avio_wb32(pb, ctts_entries[i].count);
1242 avio_wb32(pb, ctts_entries[i].duration);
1244 av_free(ctts_entries);
1248 /* Time to sample atom */
1249 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1251 MOVStts *stts_entries;
1252 uint32_t entries = -1;
1256 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1257 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1258 stts_entries[0].count = track->sample_count;
1259 stts_entries[0].duration = 1;
1262 stts_entries = track->entry ?
1263 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1265 for (i=0; i<track->entry; i++) {
1266 int duration = get_cluster_duration(track, i);
1267 if (i && duration == stts_entries[entries].duration) {
1268 stts_entries[entries].count++; /* compress */
1271 stts_entries[entries].duration = duration;
1272 stts_entries[entries].count = 1;
1275 entries++; /* last one */
1277 atom_size = 16 + (entries * 8);
1278 avio_wb32(pb, atom_size); /* size */
1279 ffio_wfourcc(pb, "stts");
1280 avio_wb32(pb, 0); /* version & flags */
1281 avio_wb32(pb, entries); /* entry count */
1282 for (i=0; i<entries; i++) {
1283 avio_wb32(pb, stts_entries[i].count);
1284 avio_wb32(pb, stts_entries[i].duration);
1286 av_free(stts_entries);
1290 static int mov_write_dref_tag(AVIOContext *pb)
1292 avio_wb32(pb, 28); /* size */
1293 ffio_wfourcc(pb, "dref");
1294 avio_wb32(pb, 0); /* version & flags */
1295 avio_wb32(pb, 1); /* entry count */
1297 avio_wb32(pb, 0xc); /* size */
1298 //FIXME add the alis and rsrc atom
1299 ffio_wfourcc(pb, "url ");
1300 avio_wb32(pb, 1); /* version & flags */
1305 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1307 int64_t pos = avio_tell(pb);
1308 avio_wb32(pb, 0); /* size */
1309 ffio_wfourcc(pb, "stbl");
1310 mov_write_stsd_tag(pb, track);
1311 mov_write_stts_tag(pb, track);
1312 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1313 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1314 track->has_keyframes && track->has_keyframes < track->entry)
1315 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1316 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1317 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1318 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1319 track->flags & MOV_TRACK_CTTS)
1320 mov_write_ctts_tag(pb, track);
1321 mov_write_stsc_tag(pb, track);
1322 mov_write_stsz_tag(pb, track);
1323 mov_write_stco_tag(pb, track);
1324 return update_size(pb, pos);
1327 static int mov_write_dinf_tag(AVIOContext *pb)
1329 int64_t pos = avio_tell(pb);
1330 avio_wb32(pb, 0); /* size */
1331 ffio_wfourcc(pb, "dinf");
1332 mov_write_dref_tag(pb);
1333 return update_size(pb, pos);
1336 static int mov_write_nmhd_tag(AVIOContext *pb)
1339 ffio_wfourcc(pb, "nmhd");
1344 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1346 int64_t pos = avio_tell(pb);
1347 const char *font = "Lucida Grande";
1348 avio_wb32(pb, 0); /* size */
1349 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1350 avio_wb32(pb, 0); /* version & flags */
1351 avio_wb16(pb, 0); /* text font */
1352 avio_wb16(pb, 0); /* text face */
1353 avio_wb16(pb, 12); /* text size */
1354 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1355 avio_wb16(pb, 0x0000); /* text color (red) */
1356 avio_wb16(pb, 0x0000); /* text color (green) */
1357 avio_wb16(pb, 0x0000); /* text color (blue) */
1358 avio_wb16(pb, 0xffff); /* background color (red) */
1359 avio_wb16(pb, 0xffff); /* background color (green) */
1360 avio_wb16(pb, 0xffff); /* background color (blue) */
1361 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1362 avio_write(pb, font, strlen(font)); /* font name */
1363 return update_size(pb, pos);
1366 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1368 int64_t pos = avio_tell(pb);
1369 avio_wb32(pb, 0); /* size */
1370 ffio_wfourcc(pb, "gmhd");
1371 avio_wb32(pb, 0x18); /* gmin size */
1372 ffio_wfourcc(pb, "gmin");/* generic media info */
1373 avio_wb32(pb, 0); /* version & flags */
1374 avio_wb16(pb, 0x40); /* graphics mode = */
1375 avio_wb16(pb, 0x8000); /* opColor (r?) */
1376 avio_wb16(pb, 0x8000); /* opColor (g?) */
1377 avio_wb16(pb, 0x8000); /* opColor (b?) */
1378 avio_wb16(pb, 0); /* balance */
1379 avio_wb16(pb, 0); /* reserved */
1382 * This special text atom is required for
1383 * Apple Quicktime chapters. The contents
1384 * don't appear to be documented, so the
1385 * bytes are copied verbatim.
1387 if (track->tag != MKTAG('c','6','0','8')) {
1388 avio_wb32(pb, 0x2C); /* size */
1389 ffio_wfourcc(pb, "text");
1390 avio_wb16(pb, 0x01);
1391 avio_wb32(pb, 0x00);
1392 avio_wb32(pb, 0x00);
1393 avio_wb32(pb, 0x00);
1394 avio_wb32(pb, 0x01);
1395 avio_wb32(pb, 0x00);
1396 avio_wb32(pb, 0x00);
1397 avio_wb32(pb, 0x00);
1398 avio_wb32(pb, 0x00004000);
1399 avio_wb16(pb, 0x0000);
1402 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1403 int64_t tmcd_pos = avio_tell(pb);
1404 avio_wb32(pb, 0); /* size */
1405 ffio_wfourcc(pb, "tmcd");
1406 mov_write_tcmi_tag(pb, track);
1407 update_size(pb, tmcd_pos);
1409 return update_size(pb, pos);
1412 static int mov_write_smhd_tag(AVIOContext *pb)
1414 avio_wb32(pb, 16); /* size */
1415 ffio_wfourcc(pb, "smhd");
1416 avio_wb32(pb, 0); /* version & flags */
1417 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1418 avio_wb16(pb, 0); /* reserved */
1422 static int mov_write_vmhd_tag(AVIOContext *pb)
1424 avio_wb32(pb, 0x14); /* size (always 0x14) */
1425 ffio_wfourcc(pb, "vmhd");
1426 avio_wb32(pb, 0x01); /* version & flags */
1427 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1431 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1433 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1434 int64_t pos = avio_tell(pb);
1436 if (!track) { /* no media --> data handler */
1439 descr = "DataHandler";
1441 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1442 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1444 descr = "VideoHandler";
1445 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1447 descr = "SoundHandler";
1448 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1449 if (track->tag == MKTAG('c','6','0','8')) {
1451 descr = "ClosedCaptionHandler";
1453 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1454 else hdlr_type = "text";
1455 descr = "SubtitleHandler";
1457 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1459 descr = "TimeCodeHandler";
1460 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1462 descr = "HintHandler";
1466 descr = "DataHandler";
1470 avio_wb32(pb, 0); /* size */
1471 ffio_wfourcc(pb, "hdlr");
1472 avio_wb32(pb, 0); /* Version & flags */
1473 avio_write(pb, hdlr, 4); /* handler */
1474 ffio_wfourcc(pb, hdlr_type); /* handler type */
1475 avio_wb32(pb ,0); /* reserved */
1476 avio_wb32(pb ,0); /* reserved */
1477 avio_wb32(pb ,0); /* reserved */
1478 if (!track || track->mode == MODE_MOV)
1479 avio_w8(pb, strlen(descr)); /* pascal string */
1480 avio_write(pb, descr, strlen(descr)); /* handler description */
1481 if (track && track->mode != MODE_MOV)
1482 avio_w8(pb, 0); /* c string */
1483 return update_size(pb, pos);
1486 static int mov_write_hmhd_tag(AVIOContext *pb)
1488 /* This atom must be present, but leaving the values at zero
1489 * seems harmless. */
1490 avio_wb32(pb, 28); /* size */
1491 ffio_wfourcc(pb, "hmhd");
1492 avio_wb32(pb, 0); /* version, flags */
1493 avio_wb16(pb, 0); /* maxPDUsize */
1494 avio_wb16(pb, 0); /* avgPDUsize */
1495 avio_wb32(pb, 0); /* maxbitrate */
1496 avio_wb32(pb, 0); /* avgbitrate */
1497 avio_wb32(pb, 0); /* reserved */
1501 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1503 int64_t pos = avio_tell(pb);
1504 avio_wb32(pb, 0); /* size */
1505 ffio_wfourcc(pb, "minf");
1506 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1507 mov_write_vmhd_tag(pb);
1508 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1509 mov_write_smhd_tag(pb);
1510 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1511 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1512 mov_write_gmhd_tag(pb, track);
1514 mov_write_nmhd_tag(pb);
1516 } else if (track->tag == MKTAG('t','m','c','d')) {
1517 mov_write_gmhd_tag(pb, track);
1518 } else if (track->tag == MKTAG('r','t','p',' ')) {
1519 mov_write_hmhd_tag(pb);
1521 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1522 mov_write_hdlr_tag(pb, NULL);
1523 mov_write_dinf_tag(pb);
1524 mov_write_stbl_tag(pb, track);
1525 return update_size(pb, pos);
1528 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1530 int version = track->track_duration < INT32_MAX ? 0 : 1;
1532 if (track->mode == MODE_ISM)
1535 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1536 ffio_wfourcc(pb, "mdhd");
1537 avio_w8(pb, version);
1538 avio_wb24(pb, 0); /* flags */
1540 avio_wb64(pb, track->time);
1541 avio_wb64(pb, track->time);
1543 avio_wb32(pb, track->time); /* creation time */
1544 avio_wb32(pb, track->time); /* modification time */
1546 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1548 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1550 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1551 avio_wb16(pb, track->language); /* language */
1552 avio_wb16(pb, 0); /* reserved (quality) */
1554 if(version!=0 && track->mode == MODE_MOV){
1555 av_log(NULL, AV_LOG_ERROR,
1556 "FATAL error, file duration too long for timebase, this file will not be\n"
1557 "playable with quicktime. Choose a different timebase or a different\n"
1558 "container format\n");
1564 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1566 int64_t pos = avio_tell(pb);
1567 avio_wb32(pb, 0); /* size */
1568 ffio_wfourcc(pb, "mdia");
1569 mov_write_mdhd_tag(pb, track);
1570 mov_write_hdlr_tag(pb, track);
1571 mov_write_minf_tag(pb, track);
1572 return update_size(pb, pos);
1575 /* transformation matrix
1579 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1580 int16_t d, int16_t tx, int16_t ty)
1582 avio_wb32(pb, a << 16); /* 16.16 format */
1583 avio_wb32(pb, b << 16); /* 16.16 format */
1584 avio_wb32(pb, 0); /* u in 2.30 format */
1585 avio_wb32(pb, c << 16); /* 16.16 format */
1586 avio_wb32(pb, d << 16); /* 16.16 format */
1587 avio_wb32(pb, 0); /* v in 2.30 format */
1588 avio_wb32(pb, tx << 16); /* 16.16 format */
1589 avio_wb32(pb, ty << 16); /* 16.16 format */
1590 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1593 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1595 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1596 track->timescale, AV_ROUND_UP);
1597 int version = duration < INT32_MAX ? 0 : 1;
1600 if (track->mode == MODE_ISM)
1603 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1604 ffio_wfourcc(pb, "tkhd");
1605 avio_w8(pb, version);
1606 avio_wb24(pb, track->secondary ? 0x2 : 0xf); /* flags (first track enabled) */
1608 avio_wb64(pb, track->time);
1609 avio_wb64(pb, track->time);
1611 avio_wb32(pb, track->time); /* creation time */
1612 avio_wb32(pb, track->time); /* modification time */
1614 avio_wb32(pb, track->track_id); /* track-id */
1615 avio_wb32(pb, 0); /* reserved */
1617 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1619 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1621 avio_wb32(pb, 0); /* reserved */
1622 avio_wb32(pb, 0); /* reserved */
1623 avio_wb16(pb, 0); /* layer */
1624 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1625 /* Volume, only for audio */
1626 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1627 avio_wb16(pb, 0x0100);
1630 avio_wb16(pb, 0); /* reserved */
1632 /* Matrix structure */
1633 if (st && st->metadata) {
1634 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1635 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1637 if (rotation == 90) {
1638 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1639 } else if (rotation == 180) {
1640 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1641 } else if (rotation == 270) {
1642 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1644 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1646 /* Track width and height, for visual only */
1647 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1648 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1649 if(track->mode == MODE_MOV) {
1650 avio_wb32(pb, track->enc->width << 16);
1651 avio_wb32(pb, track->height << 16);
1653 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1654 if(!sample_aspect_ratio || track->height != track->enc->height)
1655 sample_aspect_ratio = 1;
1656 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1657 avio_wb32(pb, track->height*0x10000);
1667 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1669 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1670 track->enc->sample_aspect_ratio.den);
1672 int64_t pos = avio_tell(pb);
1674 avio_wb32(pb, 0); /* size */
1675 ffio_wfourcc(pb, "tapt");
1678 ffio_wfourcc(pb, "clef");
1680 avio_wb32(pb, width << 16);
1681 avio_wb32(pb, track->enc->height << 16);
1684 ffio_wfourcc(pb, "prof");
1686 avio_wb32(pb, width << 16);
1687 avio_wb32(pb, track->enc->height << 16);
1690 ffio_wfourcc(pb, "enof");
1692 avio_wb32(pb, track->enc->width << 16);
1693 avio_wb32(pb, track->enc->height << 16);
1695 return update_size(pb, pos);
1698 // This box seems important for the psp playback ... without it the movie seems to hang
1699 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1701 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1702 track->timescale, AV_ROUND_UP);
1703 int version = duration < INT32_MAX ? 0 : 1;
1704 int entry_size, entry_count, size;
1705 int64_t delay, start_ct = track->cluster[0].cts;
1706 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1707 track->timescale, AV_ROUND_DOWN);
1708 version |= delay < INT32_MAX ? 0 : 1;
1710 entry_size = (version == 1) ? 20 : 12;
1711 entry_count = 1 + (delay > 0);
1712 size = 24 + entry_count * entry_size;
1714 /* write the atom data */
1715 avio_wb32(pb, size);
1716 ffio_wfourcc(pb, "edts");
1717 avio_wb32(pb, size - 8);
1718 ffio_wfourcc(pb, "elst");
1719 avio_w8(pb, version);
1720 avio_wb24(pb, 0); /* flags */
1722 avio_wb32(pb, entry_count);
1723 if (delay > 0) { /* add an empty edit to delay presentation */
1725 avio_wb64(pb, delay);
1728 avio_wb32(pb, delay);
1731 avio_wb32(pb, 0x00010000);
1733 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1734 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1740 avio_wb64(pb, duration);
1741 avio_wb64(pb, start_ct);
1743 avio_wb32(pb, duration);
1744 avio_wb32(pb, start_ct);
1746 avio_wb32(pb, 0x00010000);
1750 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1752 avio_wb32(pb, 20); // size
1753 ffio_wfourcc(pb, "tref");
1754 avio_wb32(pb, 12); // size (subatom)
1755 avio_wl32(pb, track->tref_tag);
1756 avio_wb32(pb, track->tref_id);
1760 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1761 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1763 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1764 ffio_wfourcc(pb, "uuid");
1765 ffio_wfourcc(pb, "USMT");
1766 avio_wb32(pb, 0x21d24fce);
1767 avio_wb32(pb, 0xbb88695c);
1768 avio_wb32(pb, 0xfac9c740);
1769 avio_wb32(pb, 0x1c); // another size here!
1770 ffio_wfourcc(pb, "MTDT");
1771 avio_wb32(pb, 0x00010012);
1772 avio_wb32(pb, 0x0a);
1773 avio_wb32(pb, 0x55c40000);
1779 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1782 AVFormatContext *ctx = track->rtp_ctx;
1783 char buf[1000] = "";
1786 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1787 NULL, NULL, 0, 0, ctx);
1788 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1791 avio_wb32(pb, len + 24);
1792 ffio_wfourcc(pb, "udta");
1793 avio_wb32(pb, len + 16);
1794 ffio_wfourcc(pb, "hnti");
1795 avio_wb32(pb, len + 8);
1796 ffio_wfourcc(pb, "sdp ");
1797 avio_write(pb, buf, len);
1801 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1802 MOVTrack *track, AVStream *st)
1804 int64_t pos = avio_tell(pb);
1805 avio_wb32(pb, 0); /* size */
1806 ffio_wfourcc(pb, "trak");
1807 mov_write_tkhd_tag(pb, track, st);
1808 if (supports_edts(mov))
1809 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1810 if (track->tref_tag)
1811 mov_write_tref_tag(pb, track);
1812 mov_write_mdia_tag(pb, track);
1813 if (track->mode == MODE_PSP)
1814 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1815 if (track->tag == MKTAG('r','t','p',' '))
1816 mov_write_udta_sdp(pb, track);
1817 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1818 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1819 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1820 mov_write_tapt_tag(pb, track);
1822 return update_size(pb, pos);
1825 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1827 int i, has_audio = 0, has_video = 0;
1828 int64_t pos = avio_tell(pb);
1829 int audio_profile = mov->iods_audio_profile;
1830 int video_profile = mov->iods_video_profile;
1831 for (i = 0; i < mov->nb_streams; i++) {
1832 if(mov->tracks[i].entry > 0) {
1833 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1834 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1837 if (audio_profile < 0)
1838 audio_profile = 0xFF - has_audio;
1839 if (video_profile < 0)
1840 video_profile = 0xFF - has_video;
1841 avio_wb32(pb, 0x0); /* size */
1842 ffio_wfourcc(pb, "iods");
1843 avio_wb32(pb, 0); /* version & flags */
1844 put_descr(pb, 0x10, 7);
1845 avio_wb16(pb, 0x004f);
1848 avio_w8(pb, audio_profile);
1849 avio_w8(pb, video_profile);
1851 return update_size(pb, pos);
1854 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1856 avio_wb32(pb, 0x20); /* size */
1857 ffio_wfourcc(pb, "trex");
1858 avio_wb32(pb, 0); /* version & flags */
1859 avio_wb32(pb, track->track_id); /* track ID */
1860 avio_wb32(pb, 1); /* default sample description index */
1861 avio_wb32(pb, 0); /* default sample duration */
1862 avio_wb32(pb, 0); /* default sample size */
1863 avio_wb32(pb, 0); /* default sample flags */
1867 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1869 int64_t pos = avio_tell(pb);
1871 avio_wb32(pb, 0x0); /* size */
1872 ffio_wfourcc(pb, "mvex");
1873 for (i = 0; i < mov->nb_streams; i++)
1874 mov_write_trex_tag(pb, &mov->tracks[i]);
1875 return update_size(pb, pos);
1878 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1880 int max_track_id = 1, i;
1881 int64_t max_track_len_temp, max_track_len = 0;
1884 for (i=0; i<mov->nb_streams; i++) {
1885 if(mov->tracks[i].entry > 0) {
1886 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1888 mov->tracks[i].timescale,
1890 if (max_track_len < max_track_len_temp)
1891 max_track_len = max_track_len_temp;
1892 if (max_track_id < mov->tracks[i].track_id)
1893 max_track_id = mov->tracks[i].track_id;
1897 version = max_track_len < UINT32_MAX ? 0 : 1;
1898 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1899 ffio_wfourcc(pb, "mvhd");
1900 avio_w8(pb, version);
1901 avio_wb24(pb, 0); /* flags */
1903 avio_wb64(pb, mov->time);
1904 avio_wb64(pb, mov->time);
1906 avio_wb32(pb, mov->time); /* creation time */
1907 avio_wb32(pb, mov->time); /* modification time */
1909 avio_wb32(pb, MOV_TIMESCALE);
1910 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1912 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1913 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1914 avio_wb16(pb, 0); /* reserved */
1915 avio_wb32(pb, 0); /* reserved */
1916 avio_wb32(pb, 0); /* reserved */
1918 /* Matrix structure */
1919 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1921 avio_wb32(pb, 0); /* reserved (preview time) */
1922 avio_wb32(pb, 0); /* reserved (preview duration) */
1923 avio_wb32(pb, 0); /* reserved (poster time) */
1924 avio_wb32(pb, 0); /* reserved (selection time) */
1925 avio_wb32(pb, 0); /* reserved (selection duration) */
1926 avio_wb32(pb, 0); /* reserved (current time) */
1927 avio_wb32(pb, max_track_id + 1); /* Next track id */
1931 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1934 avio_wb32(pb, 33); /* size */
1935 ffio_wfourcc(pb, "hdlr");
1938 ffio_wfourcc(pb, "mdir");
1939 ffio_wfourcc(pb, "appl");
1946 /* helper function to write a data tag with the specified string as data */
1947 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1950 int size = 16 + strlen(data);
1951 avio_wb32(pb, size); /* size */
1952 ffio_wfourcc(pb, "data");
1955 avio_write(pb, data, strlen(data));
1959 lang = ff_mov_iso639_to_lang("und", 1);
1960 avio_wb16(pb, strlen(data)); /* string length */
1961 avio_wb16(pb, lang);
1962 avio_write(pb, data, strlen(data));
1963 return strlen(data) + 4;
1967 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1969 if (value && value[0]) {
1970 int64_t pos = avio_tell(pb);
1971 avio_wb32(pb, 0); /* size */
1972 ffio_wfourcc(pb, name);
1973 mov_write_string_data_tag(pb, value, lang, long_style);
1974 size = update_size(pb, pos);
1979 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1980 const char *name, const char *tag,
1983 int l, lang = 0, len, len2;
1984 AVDictionaryEntry *t, *t2 = NULL;
1987 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1990 len = strlen(t->key);
1991 snprintf(tag2, sizeof(tag2), "%s-", tag);
1992 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1993 len2 = strlen(t2->key);
1994 if (len2 == len+4 && !strcmp(t->value, t2->value)
1995 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
2000 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2003 /* iTunes bpm number */
2004 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2006 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2007 int size = 0, tmpo = t ? atoi(t->value) : 0;
2010 avio_wb32(pb, size);
2011 ffio_wfourcc(pb, "tmpo");
2012 avio_wb32(pb, size-8); /* size */
2013 ffio_wfourcc(pb, "data");
2014 avio_wb32(pb, 0x15); //type specifier
2016 avio_wb16(pb, tmpo); // data
2021 /* iTunes track number */
2022 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2025 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2026 int size = 0, track = t ? atoi(t->value) : 0;
2028 avio_wb32(pb, 32); /* size */
2029 ffio_wfourcc(pb, "trkn");
2030 avio_wb32(pb, 24); /* size */
2031 ffio_wfourcc(pb, "data");
2032 avio_wb32(pb, 0); // 8 bytes empty
2034 avio_wb16(pb, 0); // empty
2035 avio_wb16(pb, track); // track number
2036 avio_wb16(pb, 0); // total track number
2037 avio_wb16(pb, 0); // empty
2043 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2044 const char *name, const char *tag,
2047 AVDictionaryEntry *t = NULL;
2050 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2052 num = atoi(t->value);
2054 avio_wb32(pb, len+8);
2055 ffio_wfourcc(pb, name);
2056 if (len==4) avio_wb32(pb, num);
2057 else avio_w8 (pb, num);
2061 /* iTunes meta data list */
2062 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2065 int64_t pos = avio_tell(pb);
2066 avio_wb32(pb, 0); /* size */
2067 ffio_wfourcc(pb, "ilst");
2068 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2069 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2070 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2071 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2072 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2073 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2074 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2075 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2076 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2077 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2078 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2079 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2080 mov_write_string_metadata(s, pb, "desc", "description",1);
2081 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2082 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2083 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2084 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2085 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2086 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2087 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2088 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2089 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2090 mov_write_trkn_tag(pb, mov, s);
2091 mov_write_tmpo_tag(pb, s);
2092 return update_size(pb, pos);
2095 /* iTunes meta data tag */
2096 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2100 int64_t pos = avio_tell(pb);
2101 avio_wb32(pb, 0); /* size */
2102 ffio_wfourcc(pb, "meta");
2104 mov_write_itunes_hdlr_tag(pb, mov, s);
2105 mov_write_ilst_tag(pb, mov, s);
2106 size = update_size(pb, pos);
2110 static int utf8len(const uint8_t *b)
2115 GET_UTF8(val, *b++, return -1;)
2121 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2125 GET_UTF8(val, *b++, return -1;)
2128 avio_wb16(pb, 0x00);
2132 static uint16_t language_code(const char *str)
2134 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
2137 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2138 const char *tag, const char *str)
2140 int64_t pos = avio_tell(pb);
2141 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2142 if (!t || !utf8len(t->value))
2144 avio_wb32(pb, 0); /* size */
2145 ffio_wfourcc(pb, tag); /* type */
2146 avio_wb32(pb, 0); /* version + flags */
2147 if (!strcmp(tag, "yrrc"))
2148 avio_wb16(pb, atoi(t->value));
2150 avio_wb16(pb, language_code("eng")); /* language */
2151 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
2152 if (!strcmp(tag, "albm") &&
2153 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2154 avio_w8(pb, atoi(t->value));
2156 return update_size(pb, pos);
2159 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2161 int64_t pos = avio_tell(pb);
2162 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2164 avio_wb32(pb, 0); // size
2165 ffio_wfourcc(pb, "chpl");
2166 avio_wb32(pb, 0x01000000); // version + flags
2167 avio_wb32(pb, 0); // unknown
2168 avio_w8(pb, nb_chapters);
2170 for (i = 0; i < nb_chapters; i++) {
2171 AVChapter *c = s->chapters[i];
2172 AVDictionaryEntry *t;
2173 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2175 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2176 int len = FFMIN(strlen(t->value), 255);
2178 avio_write(pb, t->value, len);
2182 return update_size(pb, pos);
2185 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2188 AVIOContext *pb_buf;
2192 for (i = 0; i < s->nb_streams; i++)
2193 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2197 ret = avio_open_dyn_buf(&pb_buf);
2201 if (mov->mode & MODE_3GP) {
2202 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2203 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2204 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2205 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2206 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2207 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2208 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2209 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2210 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2211 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
2212 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
2213 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
2214 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2215 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2216 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2217 // currently ignored by mov.c
2218 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2219 // add support for libquicktime, this atom is also actually read by mov.c
2220 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment" , 0);
2221 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2222 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2224 /* iTunes meta data */
2225 mov_write_meta_tag(pb_buf, mov, s);
2229 mov_write_chpl_tag(pb_buf, s);
2231 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2232 avio_wb32(pb, size+8);
2233 ffio_wfourcc(pb, "udta");
2234 avio_write(pb, buf, size);
2241 static void mov_write_psp_udta_tag(AVIOContext *pb,
2242 const char *str, const char *lang, int type)
2244 int len = utf8len(str)+1;
2247 avio_wb16(pb, len*2+10); /* size */
2248 avio_wb32(pb, type); /* type */
2249 avio_wb16(pb, language_code(lang)); /* language */
2250 avio_wb16(pb, 0x01); /* ? */
2251 ascii_to_wc(pb, str);
2254 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2256 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2260 pos = avio_tell(pb);
2261 avio_wb32(pb, 0); /* size placeholder*/
2262 ffio_wfourcc(pb, "uuid");
2263 ffio_wfourcc(pb, "USMT");
2264 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2265 avio_wb32(pb, 0xbb88695c);
2266 avio_wb32(pb, 0xfac9c740);
2268 pos2 = avio_tell(pb);
2269 avio_wb32(pb, 0); /* size placeholder*/
2270 ffio_wfourcc(pb, "MTDT");
2274 avio_wb16(pb, 0x0C); /* size */
2275 avio_wb32(pb, 0x0B); /* type */
2276 avio_wb16(pb, language_code("und")); /* language */
2277 avio_wb16(pb, 0x0); /* ? */
2278 avio_wb16(pb, 0x021C); /* data */
2280 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2281 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2282 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2284 update_size(pb, pos2);
2285 return update_size(pb, pos);
2291 static void build_chunks(MOVTrack *trk)
2294 MOVIentry *chunk= &trk->cluster[0];
2295 uint64_t chunkSize = chunk->size;
2297 if (trk->chunkCount)
2300 for(i=1; i<trk->entry; i++){
2301 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2302 chunkSize + trk->cluster[i].size < (1<<20)){
2303 chunkSize += trk->cluster[i].size;
2304 chunk->samples_in_chunk += trk->cluster[i].entries;
2306 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2307 chunk=&trk->cluster[i];
2308 chunkSize = chunk->size;
2314 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2318 int64_t pos = avio_tell(pb);
2319 int not_first[AVMEDIA_TYPE_NB]={0};
2320 avio_wb32(pb, 0); /* size placeholder*/
2321 ffio_wfourcc(pb, "moov");
2323 for (i=0; i<mov->nb_streams; i++) {
2324 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2327 mov->tracks[i].time = mov->time;
2328 mov->tracks[i].track_id = i+1;
2330 if (mov->tracks[i].entry)
2331 build_chunks(&mov->tracks[i]);
2334 if (mov->chapter_track)
2335 for (i=0; i<s->nb_streams; i++) {
2336 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2337 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2339 for (i = 0; i < mov->nb_streams; i++) {
2340 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2341 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2342 mov->tracks[i].tref_id =
2343 mov->tracks[mov->tracks[i].src_track].track_id;
2346 for (i = 0; i < mov->nb_streams; i++) {
2347 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2348 int src_trk = mov->tracks[i].src_track;
2349 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2350 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2351 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2355 mov_write_mvhd_tag(pb, mov);
2356 if (mov->mode != MODE_MOV && !mov->iods_skip)
2357 mov_write_iods_tag(pb, mov);
2358 for (i=0; i<mov->nb_streams; i++) {
2359 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2360 if(i < s->nb_streams){
2361 int codec_type= s->streams[i]->codec->codec_type;
2362 if(codec_type==AVMEDIA_TYPE_AUDIO || codec_type==AVMEDIA_TYPE_SUBTITLE){
2363 mov->tracks[i].secondary= not_first[codec_type];
2364 not_first[codec_type]= 1;
2367 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2370 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2371 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2373 if (mov->mode == MODE_PSP)
2374 mov_write_uuidusmt_tag(pb, s);
2376 mov_write_udta_tag(pb, mov, s);
2378 return update_size(pb, pos);
2381 static void param_write_int(AVIOContext *pb, const char *name, int value)
2383 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2386 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2388 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2391 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2394 len = FFMIN(sizeof(buf)/2 - 1, len);
2395 ff_data_to_hex(buf, value, len, 0);
2397 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2400 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2402 int64_t pos = avio_tell(pb);
2404 const uint8_t uuid[] = {
2405 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2406 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2410 ffio_wfourcc(pb, "uuid");
2411 avio_write(pb, uuid, sizeof(uuid));
2414 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2415 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2416 avio_printf(pb, "<head>\n");
2417 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2419 avio_printf(pb, "</head>\n");
2420 avio_printf(pb, "<body>\n");
2421 avio_printf(pb, "<switch>\n");
2422 for (i = 0; i < mov->nb_streams; i++) {
2423 MOVTrack *track = &mov->tracks[i];
2425 /* track->track_id is initialized in write_moov, and thus isn't known
2427 int track_id = i + 1;
2429 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2431 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2436 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2437 track->enc->bit_rate);
2438 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2439 param_write_int(pb, "trackID", track_id);
2440 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2441 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2443 int size = track->enc->extradata_size;
2444 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2446 param_write_hex(pb, "CodecPrivateData",
2447 ptr ? ptr : track->enc->extradata,
2451 param_write_string(pb, "FourCC", "H264");
2452 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2453 param_write_string(pb, "FourCC", "WVC1");
2454 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2455 track->enc->extradata_size);
2457 param_write_int(pb, "MaxWidth", track->enc->width);
2458 param_write_int(pb, "MaxHeight", track->enc->height);
2459 param_write_int(pb, "DisplayWidth", track->enc->width);
2460 param_write_int(pb, "DisplayHeight", track->enc->height);
2462 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2463 param_write_string(pb, "FourCC", "AACL");
2464 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2465 param_write_string(pb, "FourCC", "WMAP");
2467 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2468 track->enc->extradata_size);
2469 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2470 track->enc->codec_id));
2471 param_write_int(pb, "Channels", track->enc->channels);
2472 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2473 param_write_int(pb, "BitsPerSample", 16);
2474 param_write_int(pb, "PacketSize", track->enc->block_align ?
2475 track->enc->block_align : 4);
2477 avio_printf(pb, "</%s>\n", type);
2479 avio_printf(pb, "</switch>\n");
2480 avio_printf(pb, "</body>\n");
2481 avio_printf(pb, "</smil>\n");
2483 return update_size(pb, pos);
2486 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2489 ffio_wfourcc(pb, "mfhd");
2491 avio_wb32(pb, mov->fragments);
2495 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2496 int64_t moof_offset)
2498 int64_t pos = avio_tell(pb);
2499 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2500 MOV_TFHD_BASE_DATA_OFFSET;
2501 if (!track->entry) {
2502 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2504 flags |= MOV_TFHD_DEFAULT_FLAGS;
2507 /* Don't set a default sample size, the silverlight player refuses
2508 * to play files with that set. Don't set a default sample duration,
2509 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2510 * file format says it MUST NOT be set. */
2511 if (track->mode == MODE_ISM)
2512 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2513 MOV_TFHD_BASE_DATA_OFFSET);
2515 avio_wb32(pb, 0); /* size placeholder */
2516 ffio_wfourcc(pb, "tfhd");
2517 avio_w8(pb, 0); /* version */
2518 avio_wb24(pb, flags);
2520 avio_wb32(pb, track->track_id); /* track-id */
2521 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2522 avio_wb64(pb, moof_offset);
2523 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2524 track->default_duration = get_cluster_duration(track, 0);
2525 avio_wb32(pb, track->default_duration);
2527 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2528 track->default_size = track->entry ? track->cluster[0].size : 1;
2529 avio_wb32(pb, track->default_size);
2531 track->default_size = -1;
2533 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2534 track->default_sample_flags =
2535 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2536 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2537 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2538 avio_wb32(pb, track->default_sample_flags);
2541 return update_size(pb, pos);
2544 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2546 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2547 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2550 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2552 int64_t pos = avio_tell(pb);
2553 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2556 for (i = 0; i < track->entry; i++) {
2557 if (get_cluster_duration(track, i) != track->default_duration)
2558 flags |= MOV_TRUN_SAMPLE_DURATION;
2559 if (track->cluster[i].size != track->default_size)
2560 flags |= MOV_TRUN_SAMPLE_SIZE;
2561 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2562 flags |= MOV_TRUN_SAMPLE_FLAGS;
2564 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2565 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2566 if (track->flags & MOV_TRACK_CTTS)
2567 flags |= MOV_TRUN_SAMPLE_CTS;
2569 avio_wb32(pb, 0); /* size placeholder */
2570 ffio_wfourcc(pb, "trun");
2571 avio_w8(pb, 0); /* version */
2572 avio_wb24(pb, flags);
2574 avio_wb32(pb, track->entry); /* sample count */
2575 track->moof_size_offset = avio_tell(pb);
2576 avio_wb32(pb, 0); /* data offset */
2577 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2578 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2580 for (i = 0; i < track->entry; i++) {
2581 if (flags & MOV_TRUN_SAMPLE_DURATION)
2582 avio_wb32(pb, get_cluster_duration(track, i));
2583 if (flags & MOV_TRUN_SAMPLE_SIZE)
2584 avio_wb32(pb, track->cluster[i].size);
2585 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2586 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2587 if (flags & MOV_TRUN_SAMPLE_CTS)
2588 avio_wb32(pb, track->cluster[i].cts);
2591 return update_size(pb, pos);
2594 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2596 int64_t pos = avio_tell(pb);
2597 const uint8_t uuid[] = {
2598 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2599 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2602 avio_wb32(pb, 0); /* size placeholder */
2603 ffio_wfourcc(pb, "uuid");
2604 avio_write(pb, uuid, sizeof(uuid));
2607 avio_wb64(pb, track->frag_start);
2608 avio_wb64(pb, track->start_dts + track->track_duration -
2609 track->cluster[0].dts);
2611 return update_size(pb, pos);
2614 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2615 MOVTrack *track, int entry)
2617 int n = track->nb_frag_info - 1 - entry, i;
2618 int size = 8 + 16 + 4 + 1 + 16*n;
2619 const uint8_t uuid[] = {
2620 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2621 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2627 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2628 avio_wb32(pb, size);
2629 ffio_wfourcc(pb, "uuid");
2630 avio_write(pb, uuid, sizeof(uuid));
2634 for (i = 0; i < n; i++) {
2635 int index = entry + 1 + i;
2636 avio_wb64(pb, track->frag_info[index].time);
2637 avio_wb64(pb, track->frag_info[index].duration);
2639 if (n < mov->ism_lookahead) {
2640 int free_size = 16*(mov->ism_lookahead - n);
2641 avio_wb32(pb, free_size);
2642 ffio_wfourcc(pb, "free");
2643 for (i = 0; i < free_size - 8; i++)
2650 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2653 int64_t pos = avio_tell(pb);
2655 for (i = 0; i < mov->ism_lookahead; i++) {
2656 /* Update the tfrf tag for the last ism_lookahead fragments,
2657 * nb_frag_info - 1 is the next fragment to be written. */
2658 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2660 avio_seek(pb, pos, SEEK_SET);
2664 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2665 MOVTrack *track, int64_t moof_offset)
2667 int64_t pos = avio_tell(pb);
2668 avio_wb32(pb, 0); /* size placeholder */
2669 ffio_wfourcc(pb, "traf");
2671 mov_write_tfhd_tag(pb, track, moof_offset);
2672 mov_write_trun_tag(pb, track);
2673 if (mov->mode == MODE_ISM) {
2674 mov_write_tfxd_tag(pb, track);
2676 if (mov->ism_lookahead) {
2677 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2679 track->tfrf_offset = avio_tell(pb);
2680 avio_wb32(pb, 8 + size);
2681 ffio_wfourcc(pb, "free");
2682 for (i = 0; i < size; i++)
2687 return update_size(pb, pos);
2690 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2692 int64_t pos = avio_tell(pb), end;
2695 avio_wb32(pb, 0); /* size placeholder */
2696 ffio_wfourcc(pb, "moof");
2698 mov_write_mfhd_tag(pb, mov);
2699 for (i = 0; i < mov->nb_streams; i++) {
2700 MOVTrack *track = &mov->tracks[i];
2701 if (tracks >= 0 && i != tracks)
2705 mov_write_traf_tag(pb, mov, track, pos);
2708 end = avio_tell(pb);
2709 moof_size = end - pos;
2710 for (i = 0; i < mov->nb_streams; i++) {
2711 MOVTrack *track = &mov->tracks[i];
2712 if (tracks >= 0 && i != tracks)
2716 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2717 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2719 avio_seek(pb, end, SEEK_SET);
2721 return update_size(pb, pos);
2724 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2726 int64_t pos = avio_tell(pb);
2729 avio_wb32(pb, 0); /* size placeholder */
2730 ffio_wfourcc(pb, "tfra");
2731 avio_w8(pb, 1); /* version */
2734 avio_wb32(pb, track->track_id);
2735 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2736 avio_wb32(pb, track->nb_frag_info);
2737 for (i = 0; i < track->nb_frag_info; i++) {
2738 avio_wb64(pb, track->frag_info[i].time);
2739 avio_wb64(pb, track->frag_info[i].offset);
2740 avio_w8(pb, 1); /* traf number */
2741 avio_w8(pb, 1); /* trun number */
2742 avio_w8(pb, 1); /* sample number */
2745 return update_size(pb, pos);
2748 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2750 int64_t pos = avio_tell(pb);
2753 avio_wb32(pb, 0); /* size placeholder */
2754 ffio_wfourcc(pb, "mfra");
2755 /* An empty mfra atom is enough to indicate to the publishing point that
2756 * the stream has ended. */
2757 if (mov->flags & FF_MOV_FLAG_ISML)
2758 return update_size(pb, pos);
2760 for (i = 0; i < mov->nb_streams; i++) {
2761 MOVTrack *track = &mov->tracks[i];
2762 if (track->nb_frag_info)
2763 mov_write_tfra_tag(pb, track);
2767 ffio_wfourcc(pb, "mfro");
2768 avio_wb32(pb, 0); /* version + flags */
2769 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2771 return update_size(pb, pos);
2774 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2776 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2777 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2779 mov->mdat_pos = avio_tell(pb);
2780 avio_wb32(pb, 0); /* size placeholder*/
2781 ffio_wfourcc(pb, "mdat");
2785 /* TODO: This needs to be more general */
2786 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2788 MOVMuxContext *mov = s->priv_data;
2789 int64_t pos = avio_tell(pb);
2790 int has_h264 = 0, has_video = 0;
2794 for (i = 0; i < s->nb_streams; i++) {
2795 AVStream *st = s->streams[i];
2796 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2798 if (st->codec->codec_id == AV_CODEC_ID_H264)
2802 avio_wb32(pb, 0); /* size */
2803 ffio_wfourcc(pb, "ftyp");
2805 if (mov->mode == MODE_3GP) {
2806 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2807 minor = has_h264 ? 0x100 : 0x200;
2808 } else if (mov->mode & MODE_3G2) {
2809 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2810 minor = has_h264 ? 0x20000 : 0x10000;
2811 }else if (mov->mode == MODE_PSP)
2812 ffio_wfourcc(pb, "MSNV");
2813 else if (mov->mode == MODE_MP4)
2814 ffio_wfourcc(pb, "isom");
2815 else if (mov->mode == MODE_IPOD)
2816 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2817 else if (mov->mode == MODE_ISM)
2818 ffio_wfourcc(pb, "isml");
2819 else if (mov->mode == MODE_F4V)
2820 ffio_wfourcc(pb, "f4v ");
2822 ffio_wfourcc(pb, "qt ");
2824 avio_wb32(pb, minor);
2826 if(mov->mode == MODE_MOV)
2827 ffio_wfourcc(pb, "qt ");
2828 else if (mov->mode == MODE_ISM) {
2829 ffio_wfourcc(pb, "piff");
2830 ffio_wfourcc(pb, "iso2");
2832 ffio_wfourcc(pb, "isom");
2833 ffio_wfourcc(pb, "iso2");
2835 ffio_wfourcc(pb, "avc1");
2838 if (mov->mode == MODE_3GP)
2839 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2840 else if (mov->mode & MODE_3G2)
2841 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2842 else if (mov->mode == MODE_PSP)
2843 ffio_wfourcc(pb, "MSNV");
2844 else if (mov->mode == MODE_MP4)
2845 ffio_wfourcc(pb, "mp41");
2846 return update_size(pb, pos);
2849 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2851 AVCodecContext *video_codec = s->streams[0]->codec;
2852 AVCodecContext *audio_codec = s->streams[1]->codec;
2853 int audio_rate = audio_codec->sample_rate;
2854 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2855 int audio_kbitrate = audio_codec->bit_rate / 1000;
2856 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2858 avio_wb32(pb, 0x94); /* size */
2859 ffio_wfourcc(pb, "uuid");
2860 ffio_wfourcc(pb, "PROF");
2862 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2863 avio_wb32(pb, 0xbb88695c);
2864 avio_wb32(pb, 0xfac9c740);
2866 avio_wb32(pb, 0x0); /* ? */
2867 avio_wb32(pb, 0x3); /* 3 sections ? */
2869 avio_wb32(pb, 0x14); /* size */
2870 ffio_wfourcc(pb, "FPRF");
2871 avio_wb32(pb, 0x0); /* ? */
2872 avio_wb32(pb, 0x0); /* ? */
2873 avio_wb32(pb, 0x0); /* ? */
2875 avio_wb32(pb, 0x2c); /* size */
2876 ffio_wfourcc(pb, "APRF");/* audio */
2878 avio_wb32(pb, 0x2); /* TrackID */
2879 ffio_wfourcc(pb, "mp4a");
2880 avio_wb32(pb, 0x20f);
2882 avio_wb32(pb, audio_kbitrate);
2883 avio_wb32(pb, audio_kbitrate);
2884 avio_wb32(pb, audio_rate);
2885 avio_wb32(pb, audio_codec->channels);
2887 avio_wb32(pb, 0x34); /* size */
2888 ffio_wfourcc(pb, "VPRF"); /* video */
2890 avio_wb32(pb, 0x1); /* TrackID */
2891 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2892 ffio_wfourcc(pb, "avc1");
2893 avio_wb16(pb, 0x014D);
2894 avio_wb16(pb, 0x0015);
2896 ffio_wfourcc(pb, "mp4v");
2897 avio_wb16(pb, 0x0000);
2898 avio_wb16(pb, 0x0103);
2901 avio_wb32(pb, video_kbitrate);
2902 avio_wb32(pb, video_kbitrate);
2903 avio_wb32(pb, frame_rate);
2904 avio_wb32(pb, frame_rate);
2905 avio_wb16(pb, video_codec->width);
2906 avio_wb16(pb, video_codec->height);
2907 avio_wb32(pb, 0x010001); /* ? */
2910 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2913 int i, closed_gop = 0;
2915 for (i = 0; i < pkt->size - 4; i++) {
2916 c = (c<<8) + pkt->data[i];
2917 if (c == 0x1b8) { // gop
2918 closed_gop = pkt->data[i+4]>>6 & 0x01;
2919 } else if (c == 0x100) { // pic
2920 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2921 if (!temp_ref || closed_gop) // I picture is not reordered
2922 *flags = MOV_SYNC_SAMPLE;
2924 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2931 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2933 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2934 int seq = 0, entry = 0;
2935 int key = pkt->flags & AV_PKT_FLAG_KEY;
2936 start = find_next_marker(pkt->data, end);
2937 for (next = start; next < end; start = next) {
2938 next = find_next_marker(start + 4, end);
2939 switch (AV_RB32(start)) {
2940 case VC1_CODE_SEQHDR:
2943 case VC1_CODE_ENTRYPOINT:
2946 case VC1_CODE_SLICE:
2947 trk->vc1_info.slices = 1;
2951 if (!trk->entry && !fragment) {
2952 /* First packet in first fragment */
2953 trk->vc1_info.first_packet_seq = seq;
2954 trk->vc1_info.first_packet_entry = entry;
2955 } else if ((seq && !trk->vc1_info.packet_seq) ||
2956 (entry && !trk->vc1_info.packet_entry)) {
2958 for (i = 0; i < trk->entry; i++)
2959 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2960 trk->has_keyframes = 0;
2962 trk->vc1_info.packet_seq = 1;
2964 trk->vc1_info.packet_entry = 1;
2966 /* First fragment */
2967 if ((!seq || trk->vc1_info.first_packet_seq) &&
2968 (!entry || trk->vc1_info.first_packet_entry)) {
2969 /* First packet had the same headers as this one, readd the
2970 * sync sample flag. */
2971 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2972 trk->has_keyframes = 1;
2976 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2978 else if (trk->vc1_info.packet_seq)
2980 else if (trk->vc1_info.packet_entry)
2983 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2984 trk->has_keyframes++;
2988 static int get_moov_size(AVFormatContext *s)
2992 AVIOContext *moov_buf;
2993 MOVMuxContext *mov = s->priv_data;
2995 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2997 mov_write_moov_tag(moov_buf, mov, s);
2998 ret = avio_close_dyn_buf(moov_buf, &buf);
3003 static int mov_flush_fragment(AVFormatContext *s)
3005 MOVMuxContext *mov = s->priv_data;
3006 int i, first_track = -1;
3007 int64_t mdat_size = 0;
3009 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3012 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3013 int64_t pos = avio_tell(s->pb);
3015 int buf_size, moov_size;
3017 for (i = 0; i < mov->nb_streams; i++)
3018 if (!mov->tracks[i].entry)
3020 /* Don't write the initial moov unless all tracks have data */
3021 if (i < mov->nb_streams)
3024 moov_size = get_moov_size(s);
3025 for (i = 0; i < mov->nb_streams; i++)
3026 mov->tracks[i].data_offset = pos + moov_size + 8;
3028 mov_write_moov_tag(s->pb, mov, s);
3030 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3031 mov->mdat_buf = NULL;
3032 avio_wb32(s->pb, buf_size + 8);
3033 ffio_wfourcc(s->pb, "mdat");
3034 avio_write(s->pb, buf, buf_size);
3039 for (i = 0; i < mov->nb_streams; i++) {
3040 if (mov->tracks[i].entry)
3041 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3042 mov->tracks[i].track_duration -
3043 mov->tracks[i].cluster[0].dts;
3044 mov->tracks[i].entry = 0;
3050 for (i = 0; i < mov->nb_streams; i++) {
3051 MOVTrack *track = &mov->tracks[i];
3052 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3053 track->data_offset = 0;
3055 track->data_offset = mdat_size;
3056 if (!track->mdat_buf)
3058 mdat_size += avio_tell(track->mdat_buf);
3059 if (first_track < 0)
3066 for (i = 0; i < mov->nb_streams; i++) {
3067 MOVTrack *track = &mov->tracks[i];
3068 int buf_size, write_moof = 1, moof_tracks = -1;
3070 int64_t duration = 0;
3073 duration = track->start_dts + track->track_duration -
3074 track->cluster[0].dts;
3075 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3076 if (!track->mdat_buf)
3078 mdat_size = avio_tell(track->mdat_buf);
3081 write_moof = i == first_track;
3085 MOVFragmentInfo *info;
3087 track->nb_frag_info++;
3088 if (track->nb_frag_info >= track->frag_info_capacity) {
3089 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3090 if (av_reallocp_array(&track->frag_info,
3092 sizeof(*track->frag_info)))
3093 return AVERROR(ENOMEM);
3094 track->frag_info_capacity = new_capacity;
3096 info = &track->frag_info[track->nb_frag_info - 1];
3097 info->offset = avio_tell(s->pb);
3098 info->time = mov->tracks[i].frag_start;
3099 info->duration = duration;
3100 mov_write_tfrf_tags(s->pb, mov, track);
3102 mov_write_moof_tag(s->pb, mov, moof_tracks);
3103 info->tfrf_offset = track->tfrf_offset;
3106 avio_wb32(s->pb, mdat_size + 8);
3107 ffio_wfourcc(s->pb, "mdat");
3111 track->frag_start += duration;
3113 if (!track->mdat_buf)
3115 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3116 track->mdat_buf = NULL;
3118 avio_write(s->pb, buf, buf_size);
3128 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3130 MOVMuxContext *mov = s->priv_data;
3131 AVIOContext *pb = s->pb;
3132 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3133 AVCodecContext *enc = trk->enc;
3134 unsigned int samples_in_chunk = 0;
3135 int size= pkt->size;
3136 uint8_t *reformatted_data = NULL;
3138 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3140 if (mov->fragments > 0) {
3141 if (!trk->mdat_buf) {
3142 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3147 if (!mov->mdat_buf) {
3148 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3155 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3156 /* We must find out how many AMR blocks there are in one packet */
3157 static uint16_t packed_size[16] =
3158 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3161 while (len < size && samples_in_chunk < 100) {
3162 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3165 if (samples_in_chunk > 1) {
3166 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3169 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3170 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3171 samples_in_chunk = enc->frame_size;
3172 } else if (trk->sample_size)
3173 samples_in_chunk = size / trk->sample_size;
3175 samples_in_chunk = 1;
3177 /* copy extradata if it exists */
3178 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3179 trk->vos_len = enc->extradata_size;
3180 trk->vos_data = av_malloc(trk->vos_len);
3181 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3184 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3185 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3186 if (!s->streams[pkt->stream_index]->nb_frames) {
3187 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
3190 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3192 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3193 /* from x264 or from bytestream h264 */
3194 /* nal reformating needed */
3195 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3196 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3198 avio_write(pb, reformatted_data, size);
3200 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3203 avio_write(pb, pkt->data, size);
3206 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3207 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3208 /* copy frame to create needed atoms */
3209 trk->vos_len = size;
3210 trk->vos_data = av_malloc(size);
3212 return AVERROR(ENOMEM);
3213 memcpy(trk->vos_data, pkt->data, size);
3216 if (trk->entry >= trk->cluster_capacity) {
3217 unsigned new_capacity = 2*(trk->entry + MOV_INDEX_CLUSTER_SIZE);
3218 if (av_reallocp_array(&trk->cluster, new_capacity,
3219 sizeof(*trk->cluster)))
3220 return AVERROR(ENOMEM);
3221 trk->cluster_capacity = new_capacity;
3224 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3225 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3226 trk->cluster[trk->entry].chunkNum = 0;
3227 trk->cluster[trk->entry].size = size;
3228 trk->cluster[trk->entry].entries = samples_in_chunk;
3229 trk->cluster[trk->entry].dts = pkt->dts;
3230 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3231 /* First packet of a new fragment. We already wrote the duration
3232 * of the last packet of the previous fragment based on track_duration,
3233 * which might not exactly match our dts. Therefore adjust the dts
3234 * of this packet to be what the previous packets duration implies. */
3235 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3237 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3238 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3240 if (trk->start_dts == AV_NOPTS_VALUE)
3241 trk->start_dts = pkt->dts;
3242 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3243 trk->last_sample_is_subtitle_end = 0;
3245 if (pkt->pts == AV_NOPTS_VALUE) {
3246 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3247 pkt->pts = pkt->dts;
3249 if (pkt->dts != pkt->pts)
3250 trk->flags |= MOV_TRACK_CTTS;
3251 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3252 trk->cluster[trk->entry].flags = 0;
3253 if (enc->codec_id == AV_CODEC_ID_VC1) {
3254 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3255 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3256 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3257 trk->entry > 0) { // force sync sample for the first key frame
3258 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3259 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3260 trk->flags |= MOV_TRACK_STPS;
3262 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3264 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3265 trk->has_keyframes++;
3268 trk->sample_count += samples_in_chunk;
3269 mov->mdat_size += size;
3273 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3274 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3275 reformatted_data, size);
3276 av_free(reformatted_data);
3280 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3282 MOVMuxContext *mov = s->priv_data;
3283 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3284 AVCodecContext *enc = trk->enc;
3285 int64_t frag_duration = 0;
3286 int size = pkt->size;
3288 if (!pkt->size) return 0; /* Discard 0 sized packets */
3290 if (trk->entry && pkt->stream_index < s->nb_streams)
3291 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3292 s->streams[pkt->stream_index]->time_base,
3294 if ((mov->max_fragment_duration &&
3295 frag_duration >= mov->max_fragment_duration) ||
3296 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3297 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3298 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3299 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3300 if (frag_duration >= mov->min_fragment_duration)
3301 mov_flush_fragment(s);
3304 return ff_mov_write_packet(s, pkt);
3307 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3311 uint8_t data[2] = {0};
3314 av_init_packet(&end);
3315 end.size = sizeof(data);
3320 end.stream_index = stream_index;
3322 ret = mov_write_single_packet(s, &end);
3323 av_free_packet(&end);
3328 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3331 mov_flush_fragment(s);
3335 MOVMuxContext *mov = s->priv_data;
3337 if (!pkt->size) return 0; /* Discard 0 sized packets */
3340 * Subtitles require special handling.
3342 * 1) For full complaince, every track must have a sample at
3343 * dts == 0, which is rarely true for subtitles. So, as soon
3344 * as we see any packet with dts > 0, write an empty subtitle
3345 * at dts == 0 for any subtitle track with no samples in it.
3347 * 2) For each subtitle track, check if the current packet's
3348 * dts is past the duration of the last subtitle sample. If
3349 * so, we now need to write an end sample for that subtitle.
3351 * This must be done conditionally to allow for subtitles that
3352 * immediately replace each other, in which case an end sample
3353 * is not needed, and is, in fact, actively harmful.
3355 * 3) See mov_write_trailer for how the final end sample is
3358 for (i = 0; i < mov->nb_streams; i++) {
3359 MOVTrack *trk = &mov->tracks[i];
3362 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3363 trk->track_duration < pkt->dts &&
3364 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3365 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3366 if (ret < 0) return ret;
3367 trk->last_sample_is_subtitle_end = 1;
3371 return mov_write_single_packet(s, pkt);
3375 // QuickTime chapters involve an additional text track with the chapter names
3376 // as samples, and a tref pointing from the other tracks to the chapter one.
3377 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3381 MOVMuxContext *mov = s->priv_data;
3382 MOVTrack *track = &mov->tracks[tracknum];
3383 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3386 track->mode = mov->mode;
3387 track->tag = MKTAG('t','e','x','t');
3388 track->timescale = MOV_TIMESCALE;
3389 track->enc = avcodec_alloc_context3(NULL);
3390 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3392 if (avio_open_dyn_buf(&pb) >= 0) {
3396 /* Stub header (usually for Quicktime chapter track) */
3398 avio_wb32(pb, 0x01); // displayFlags
3399 avio_w8(pb, 0x00); // horizontal justification
3400 avio_w8(pb, 0x00); // vertical justification
3401 avio_w8(pb, 0x00); // bgColourRed
3402 avio_w8(pb, 0x00); // bgColourGreen
3403 avio_w8(pb, 0x00); // bgColourBlue
3404 avio_w8(pb, 0x00); // bgColourAlpha
3406 avio_wb16(pb, 0x00); // defTextBoxTop
3407 avio_wb16(pb, 0x00); // defTextBoxLeft
3408 avio_wb16(pb, 0x00); // defTextBoxBottom
3409 avio_wb16(pb, 0x00); // defTextBoxRight
3411 avio_wb16(pb, 0x00); // startChar
3412 avio_wb16(pb, 0x00); // endChar
3413 avio_wb16(pb, 0x01); // fontID
3414 avio_w8(pb, 0x00); // fontStyleFlags
3415 avio_w8(pb, 0x00); // fontSize
3416 avio_w8(pb, 0x00); // fgColourRed
3417 avio_w8(pb, 0x00); // fgColourGreen
3418 avio_w8(pb, 0x00); // fgColourBlue
3419 avio_w8(pb, 0x00); // fgColourAlpha
3421 avio_wb32(pb, 0x0D); // box size
3422 ffio_wfourcc(pb, "ftab"); // box atom name
3423 avio_wb16(pb, 0x01); // entry count
3425 avio_wb16(pb, 0x01); // font ID
3426 avio_w8(pb, 0x00); // font name length
3428 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3429 track->enc->extradata = buf;
3430 track->enc->extradata_size = size;
3436 for (i = 0; i < s->nb_chapters; i++) {
3437 AVChapter *c = s->chapters[i];
3438 AVDictionaryEntry *t;
3440 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3441 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3442 pkt.duration = end - pkt.dts;
3444 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3445 len = strlen(t->value);
3447 pkt.data = av_malloc(pkt.size);
3448 AV_WB16(pkt.data, len);
3449 memcpy(pkt.data+2, t->value, len);
3450 ff_mov_write_packet(s, &pkt);
3451 av_freep(&pkt.data);
3456 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3459 MOVMuxContext *mov = s->priv_data;
3460 MOVTrack *track = &mov->tracks[index];
3461 AVStream *src_st = s->streams[src_index];
3463 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3464 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3466 /* if the codec time base makes no sense, try to fallback on stream frame rate */
3467 if (av_timecode_check_frame_rate(rate) < 0) {
3468 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3469 rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3470 rate = src_st->avg_frame_rate;
3473 /* compute the frame number */
3474 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3478 /* tmcd track based on video stream */
3479 track->mode = mov->mode;
3480 track->tag = MKTAG('t','m','c','d');
3481 track->src_track = src_index;
3482 track->timescale = mov->tracks[src_index].timescale;
3483 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3484 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3486 /* encode context: tmcd data stream */
3487 track->enc = avcodec_alloc_context3(NULL);
3488 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3489 track->enc->codec_tag = track->tag;
3490 track->enc->time_base = src_st->codec->time_base;
3492 /* the tmcd track just contains one packet with the frame number */
3493 pkt.data = av_malloc(pkt.size);
3494 AV_WB32(pkt.data, tc.start);
3495 ret = ff_mov_write_packet(s, &pkt);
3500 static int mov_write_header(AVFormatContext *s)
3502 AVIOContext *pb = s->pb;
3503 MOVMuxContext *mov = s->priv_data;
3504 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3505 int i, hint_track = 0, tmcd_track = 0;
3507 /* Set the FRAGMENT flag if any of the fragmentation methods are
3509 if (mov->max_fragment_duration || mov->max_fragment_size ||
3510 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3511 FF_MOV_FLAG_FRAG_KEYFRAME |
3512 FF_MOV_FLAG_FRAG_CUSTOM))
3513 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3515 /* faststart: moov at the beginning of the file, if supported */
3516 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3517 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3518 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3520 mov->reserved_moov_size = -1;
3523 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3524 s->avoid_negative_ts = 1;
3527 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3528 * is enabled, we don't support non-seekable output at all. */
3529 if (!s->pb->seekable &&
3530 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3531 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3532 || mov->ism_lookahead)) {
3533 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3537 /* Default mode == MP4 */
3538 mov->mode = MODE_MP4;
3540 if (s->oformat != NULL) {
3541 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3542 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3543 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3544 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3545 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3546 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3547 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3549 mov_write_ftyp_tag(pb,s);
3550 if (mov->mode == MODE_PSP) {
3551 if (s->nb_streams != 2) {
3552 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3555 mov_write_uuidprof_tag(pb,s);
3559 mov->nb_streams = s->nb_streams;
3560 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3561 mov->chapter_track = mov->nb_streams++;
3563 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3564 /* Add hint tracks for each audio and video stream */
3565 hint_track = mov->nb_streams;
3566 for (i = 0; i < s->nb_streams; i++) {
3567 AVStream *st = s->streams[i];
3568 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3569 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3575 if (mov->mode == MODE_MOV) {
3576 tmcd_track = mov->nb_streams;
3578 /* +1 tmcd track for each video stream with a timecode */
3579 for (i = 0; i < s->nb_streams; i++) {
3580 AVStream *st = s->streams[i];
3581 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3582 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3583 mov->nb_meta_tmcd++;
3586 /* check if there is already a tmcd track to remux */
3587 if (mov->nb_meta_tmcd) {
3588 for (i = 0; i < s->nb_streams; i++) {
3589 AVStream *st = s->streams[i];
3590 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3591 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3592 "so timecode metadata are now ignored\n");
3593 mov->nb_meta_tmcd = 0;
3598 mov->nb_streams += mov->nb_meta_tmcd;
3601 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3603 return AVERROR(ENOMEM);
3605 for(i=0; i<s->nb_streams; i++){
3606 AVStream *st= s->streams[i];
3607 MOVTrack *track= &mov->tracks[i];
3608 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3610 track->enc = st->codec;
3611 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3612 if (track->language < 0)
3613 track->language = 0;
3614 track->mode = mov->mode;
3615 track->tag = mov_find_codec_tag(s, track);
3617 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3618 "codec not currently supported in container\n", i);
3621 /* If hinting of this track is enabled by a later hint track,
3622 * this is updated. */
3623 track->hint_track = -1;
3624 track->start_dts = AV_NOPTS_VALUE;
3625 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3626 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3627 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3628 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3629 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3630 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3633 track->height = track->tag>>24 == 'n' ? 486 : 576;
3635 if (mov->video_track_timescale) {
3636 track->timescale = mov->video_track_timescale;
3638 track->timescale = st->codec->time_base.den;
3639 while(track->timescale < 10000)
3640 track->timescale *= 2;
3642 if (track->mode == MODE_MOV && track->timescale > 100000)
3643 av_log(s, AV_LOG_WARNING,
3644 "WARNING codec timebase is very high. If duration is too long,\n"
3645 "file may not be playable by quicktime. Specify a shorter timebase\n"
3646 "or choose different container.\n");
3647 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3648 track->timescale = st->codec->sample_rate;
3649 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3650 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3651 track->audio_vbr = 1;
3652 }else if(st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3653 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3654 st->codec->codec_id == AV_CODEC_ID_ILBC){
3655 if (!st->codec->block_align) {
3656 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3659 track->sample_size = st->codec->block_align;
3660 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3661 track->audio_vbr = 1;
3663 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3665 if (track->mode != MODE_MOV &&
3666 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3667 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3668 i, track->enc->sample_rate);
3671 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3672 track->timescale = st->codec->time_base.den;
3674 track->timescale = MOV_TIMESCALE;
3677 track->height = st->codec->height;
3678 /* The ism specific timescale isn't mandatory, but is assumed by
3679 * some tools, such as mp4split. */
3680 if (mov->mode == MODE_ISM)
3681 track->timescale = 10000000;
3683 avpriv_set_pts_info(st, 64, 1, track->timescale);
3685 /* copy extradata if it exists */
3686 if (st->codec->extradata_size) {
3687 track->vos_len = st->codec->extradata_size;
3688 track->vos_data = av_malloc(track->vos_len);
3689 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3693 if (mov->mode == MODE_ISM) {
3694 /* If no fragmentation options have been set, set a default. */
3695 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3696 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3697 !mov->max_fragment_duration && !mov->max_fragment_size)
3698 mov->max_fragment_duration = 5000000;
3699 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3700 FF_MOV_FLAG_FRAGMENT;
3703 if(mov->reserved_moov_size){
3704 mov->reserved_moov_pos= avio_tell(pb);
3705 if (mov->reserved_moov_size > 0)
3706 avio_skip(pb, mov->reserved_moov_size);
3709 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3710 mov_write_mdat_tag(pb, mov);
3712 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3713 mov->time = ff_iso8601_to_unix_time(t->value);
3715 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3717 if (mov->chapter_track)
3718 mov_create_chapter_track(s, mov->chapter_track);
3720 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3721 /* Initialize the hint tracks for each audio and video stream */
3722 for (i = 0; i < s->nb_streams; i++) {
3723 AVStream *st = s->streams[i];
3724 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3725 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3726 ff_mov_init_hinting(s, hint_track, i);
3732 if (mov->nb_meta_tmcd) {
3733 /* Initialize the tmcd tracks */
3734 for (i = 0; i < s->nb_streams; i++) {
3735 AVStream *st = s->streams[i];
3738 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3740 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3743 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3752 if (mov->flags & FF_MOV_FLAG_ISML)
3753 mov_write_isml_manifest(pb, mov);
3755 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3756 mov_write_moov_tag(pb, mov, s);
3762 av_freep(&mov->tracks);
3767 * This function gets the moov size if moved to the top of the file: the chunk
3768 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3769 * entries) when the moov is moved to the top, so the size of the moov would
3770 * change. It also updates the chunk offset tables.
3772 static int compute_moov_size(AVFormatContext *s)
3774 int i, moov_size, moov_size2;
3775 MOVMuxContext *mov = s->priv_data;
3777 moov_size = get_moov_size(s);
3781 for (i = 0; i < mov->nb_streams; i++)
3782 mov->tracks[i].data_offset += moov_size;
3784 moov_size2 = get_moov_size(s);
3788 /* if the size changed, we just switched from stco to co64 and needs to
3789 * update the offsets */
3790 if (moov_size2 != moov_size)
3791 for (i = 0; i < mov->nb_streams; i++)
3792 mov->tracks[i].data_offset += moov_size2 - moov_size;
3797 static int shift_data(AVFormatContext *s)
3799 int ret = 0, moov_size;
3800 MOVMuxContext *mov = s->priv_data;
3801 int64_t pos, pos_end = avio_tell(s->pb);
3802 uint8_t *buf, *read_buf[2];
3803 int read_buf_id = 0;
3805 AVIOContext *read_pb;
3807 moov_size = compute_moov_size(s);
3811 buf = av_malloc(moov_size * 2);
3813 return AVERROR(ENOMEM);
3815 read_buf[1] = buf + moov_size;
3817 /* Shift the data: the AVIO context of the output can only be used for
3818 * writing, so we re-open the same output, but for reading. It also avoids
3819 * a read/seek/write/seek back and forth. */
3821 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3823 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3824 "the second pass (faststart)\n", s->filename);
3828 /* mark the end of the shift to up to the last data we wrote, and get ready
3830 pos_end = avio_tell(s->pb);
3831 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3833 /* start reading at where the new moov will be placed */
3834 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3835 pos = avio_tell(read_pb);
3837 #define READ_BLOCK do { \
3838 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3842 /* shift data by chunk of at most moov_size */
3847 n = read_size[read_buf_id];
3850 avio_write(s->pb, read_buf[read_buf_id], n);
3852 } while (pos < pos_end);
3853 avio_close(read_pb);
3860 static int mov_write_trailer(AVFormatContext *s)
3862 MOVMuxContext *mov = s->priv_data;
3863 AVIOContext *pb = s->pb;
3869 * Before actually writing the trailer, make sure that there are no
3870 * dangling subtitles, that need a terminating sample.
3872 for (i = 0; i < mov->nb_streams; i++) {
3873 MOVTrack *trk = &mov->tracks[i];
3874 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3875 !trk->last_sample_is_subtitle_end) {
3876 mov_write_subtitle_end_packet(s, i, trk->track_duration);
3877 trk->last_sample_is_subtitle_end = 1;
3881 moov_pos = avio_tell(pb);
3883 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3884 /* Write size of mdat tag */
3885 if (mov->mdat_size + 8 <= UINT32_MAX) {
3886 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3887 avio_wb32(pb, mov->mdat_size + 8);
3889 /* overwrite 'wide' placeholder atom */
3890 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3891 /* special value: real atom size will be 64 bit value after
3894 ffio_wfourcc(pb, "mdat");
3895 avio_wb64(pb, mov->mdat_size + 16);
3897 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3899 if (mov->reserved_moov_size == -1) {
3900 av_log(s, AV_LOG_INFO, "Starting second pass: moving header on top of the file\n");
3901 res = shift_data(s);
3903 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3904 mov_write_moov_tag(pb, mov, s);
3906 } else if (mov->reserved_moov_size > 0) {
3908 mov_write_moov_tag(pb, mov, s);
3909 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3911 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3914 avio_wb32(pb, size);
3915 ffio_wfourcc(pb, "free");
3916 for(i=0; i<size; i++)
3918 avio_seek(pb, moov_pos, SEEK_SET);
3920 mov_write_moov_tag(pb, mov, s);
3923 mov_flush_fragment(s);
3924 mov_write_mfra_tag(pb, mov);
3927 if (mov->chapter_track)
3928 av_freep(&mov->tracks[mov->chapter_track].enc);
3930 for (i=0; i<mov->nb_streams; i++) {
3931 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3932 ff_mov_close_hinting(&mov->tracks[i]);
3933 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3934 av_freep(&mov->tracks[i].enc);
3935 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3936 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3937 int64_t off = avio_tell(pb);
3939 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3940 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3941 avio_write(pb, buf, 7);
3942 avio_seek(pb, off, SEEK_SET);
3945 av_freep(&mov->tracks[i].cluster);
3946 av_freep(&mov->tracks[i].frag_info);
3948 if (mov->tracks[i].vos_len)
3949 av_free(mov->tracks[i].vos_data);
3953 av_freep(&mov->tracks);
3958 #if CONFIG_MOV_MUXER
3960 AVOutputFormat ff_mov_muxer = {
3962 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3963 .extensions = "mov",
3964 .priv_data_size = sizeof(MOVMuxContext),
3965 .audio_codec = AV_CODEC_ID_AAC,
3966 .video_codec = CONFIG_LIBX264_ENCODER ?
3967 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3968 .write_header = mov_write_header,
3969 .write_packet = mov_write_packet,
3970 .write_trailer = mov_write_trailer,
3971 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3972 .codec_tag = (const AVCodecTag* const []){
3973 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3975 .priv_class = &mov_muxer_class,
3978 #if CONFIG_TGP_MUXER
3980 AVOutputFormat ff_tgp_muxer = {
3982 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3983 .extensions = "3gp",
3984 .priv_data_size = sizeof(MOVMuxContext),
3985 .audio_codec = AV_CODEC_ID_AMR_NB,
3986 .video_codec = AV_CODEC_ID_H263,
3987 .write_header = mov_write_header,
3988 .write_packet = mov_write_packet,
3989 .write_trailer = mov_write_trailer,
3990 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3991 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3992 .priv_class = &tgp_muxer_class,
3995 #if CONFIG_MP4_MUXER
3997 AVOutputFormat ff_mp4_muxer = {
3999 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4000 .mime_type = "application/mp4",
4001 .extensions = "mp4",
4002 .priv_data_size = sizeof(MOVMuxContext),
4003 .audio_codec = AV_CODEC_ID_AAC,
4004 .video_codec = CONFIG_LIBX264_ENCODER ?
4005 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4006 .write_header = mov_write_header,
4007 .write_packet = mov_write_packet,
4008 .write_trailer = mov_write_trailer,
4009 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4010 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4011 .priv_class = &mp4_muxer_class,
4014 #if CONFIG_PSP_MUXER
4016 AVOutputFormat ff_psp_muxer = {
4018 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4019 .extensions = "mp4,psp",
4020 .priv_data_size = sizeof(MOVMuxContext),
4021 .audio_codec = AV_CODEC_ID_AAC,
4022 .video_codec = CONFIG_LIBX264_ENCODER ?
4023 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4024 .write_header = mov_write_header,
4025 .write_packet = mov_write_packet,
4026 .write_trailer = mov_write_trailer,
4027 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4028 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4029 .priv_class = &psp_muxer_class,
4032 #if CONFIG_TG2_MUXER
4034 AVOutputFormat ff_tg2_muxer = {
4036 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4037 .extensions = "3g2",
4038 .priv_data_size = sizeof(MOVMuxContext),
4039 .audio_codec = AV_CODEC_ID_AMR_NB,
4040 .video_codec = AV_CODEC_ID_H263,
4041 .write_header = mov_write_header,
4042 .write_packet = mov_write_packet,
4043 .write_trailer = mov_write_trailer,
4044 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4045 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4046 .priv_class = &tg2_muxer_class,
4049 #if CONFIG_IPOD_MUXER
4051 AVOutputFormat ff_ipod_muxer = {
4053 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4054 .mime_type = "application/mp4",
4055 .extensions = "m4v,m4a",
4056 .priv_data_size = sizeof(MOVMuxContext),
4057 .audio_codec = AV_CODEC_ID_AAC,
4058 .video_codec = AV_CODEC_ID_H264,
4059 .write_header = mov_write_header,
4060 .write_packet = mov_write_packet,
4061 .write_trailer = mov_write_trailer,
4062 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4063 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4064 .priv_class = &ipod_muxer_class,
4067 #if CONFIG_ISMV_MUXER
4069 AVOutputFormat ff_ismv_muxer = {
4071 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4072 .mime_type = "application/mp4",
4073 .extensions = "ismv,isma",
4074 .priv_data_size = sizeof(MOVMuxContext),
4075 .audio_codec = AV_CODEC_ID_AAC,
4076 .video_codec = AV_CODEC_ID_H264,
4077 .write_header = mov_write_header,
4078 .write_packet = mov_write_packet,
4079 .write_trailer = mov_write_trailer,
4080 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4081 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4082 .priv_class = &ismv_muxer_class,
4085 #if CONFIG_F4V_MUXER
4087 AVOutputFormat ff_f4v_muxer = {
4089 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4090 .mime_type = "application/f4v",
4091 .extensions = "f4v",
4092 .priv_data_size = sizeof(MOVMuxContext),
4093 .audio_codec = AV_CODEC_ID_AAC,
4094 .video_codec = AV_CODEC_ID_H264,
4095 .write_header = mov_write_header,
4096 .write_packet = mov_write_packet,
4097 .write_trailer = mov_write_trailer,
4098 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4099 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4100 .priv_class = &f4v_muxer_class,