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 index (moov atom) 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 static int get_moov_size(AVFormatContext *s);
79 //FIXME support 64 bit variant with wide placeholders
80 static int64_t update_size(AVIOContext *pb, int64_t pos)
82 int64_t curpos = avio_tell(pb);
83 avio_seek(pb, pos, SEEK_SET);
84 avio_wb32(pb, curpos - pos); /* rewrite size */
85 avio_seek(pb, curpos, SEEK_SET);
90 static int supports_edts(MOVMuxContext *mov)
92 // EDTS with fragments is tricky as we don't know the duration when its written
93 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
96 static int is_co64_required(const MOVTrack *track)
100 for (i = 0; i < track->entry; i++) {
101 if (!track->cluster[i].chunkNum)
103 if (track->cluster[i].pos + track->data_offset > UINT32_MAX)
109 /* Chunk offset atom */
110 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
113 int mode64 = is_co64_required(track); // use 32 bit size variant if possible
114 int64_t pos = avio_tell(pb);
115 avio_wb32(pb, 0); /* size */
117 ffio_wfourcc(pb, "co64");
119 ffio_wfourcc(pb, "stco");
120 avio_wb32(pb, 0); /* version & flags */
121 avio_wb32(pb, track->chunkCount); /* entry count */
122 for (i = 0; i < track->entry; i++) {
123 if (!track->cluster[i].chunkNum)
126 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
128 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
130 return update_size(pb, pos);
133 /* Sample size atom */
134 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
137 int i, j, entries = 0, tst = -1, oldtst = -1;
139 int64_t pos = avio_tell(pb);
140 avio_wb32(pb, 0); /* size */
141 ffio_wfourcc(pb, "stsz");
142 avio_wb32(pb, 0); /* version & flags */
144 for (i = 0; i < track->entry; i++) {
145 tst = track->cluster[i].size / track->cluster[i].entries;
146 if (oldtst != -1 && tst != oldtst)
149 entries += track->cluster[i].entries;
151 if (equalChunks && track->entry) {
152 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
153 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
154 avio_wb32(pb, sSize); // sample size
155 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) {
183 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
184 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
185 avio_wb32(pb, 0x1); // sample description index
186 oldval = track->cluster[i].samples_in_chunk;
190 curpos = avio_tell(pb);
191 avio_seek(pb, entryPos, SEEK_SET);
192 avio_wb32(pb, index); // rewrite size
193 avio_seek(pb, curpos, SEEK_SET);
195 return update_size(pb, pos);
198 /* Sync sample atom */
199 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
201 int64_t curpos, entryPos;
203 int64_t pos = avio_tell(pb);
204 avio_wb32(pb, 0); // size
205 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
206 avio_wb32(pb, 0); // version & flags
207 entryPos = avio_tell(pb);
208 avio_wb32(pb, track->entry); // entry count
209 for (i = 0; i < track->entry; i++) {
210 if (track->cluster[i].flags & flag) {
211 avio_wb32(pb, i + 1);
215 curpos = avio_tell(pb);
216 avio_seek(pb, entryPos, SEEK_SET);
217 avio_wb32(pb, index); // rewrite size
218 avio_seek(pb, curpos, SEEK_SET);
219 return update_size(pb, pos);
222 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
224 avio_wb32(pb, 0x11); /* size */
225 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
226 else ffio_wfourcc(pb, "damr");
227 ffio_wfourcc(pb, "FFMP");
228 avio_w8(pb, 0); /* decoder version */
230 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
231 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
232 avio_w8(pb, 0x01); /* Frames per sample */
236 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
241 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
243 if (track->vos_len < 7)
247 ffio_wfourcc(pb, "dac3");
249 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
250 fscod = get_bits(&gbc, 2);
251 frmsizecod = get_bits(&gbc, 6);
252 bsid = get_bits(&gbc, 5);
253 bsmod = get_bits(&gbc, 3);
254 acmod = get_bits(&gbc, 3);
256 skip_bits(&gbc, 2); // dsurmod
258 if ((acmod & 1) && acmod != 1)
259 skip_bits(&gbc, 2); // cmixlev
261 skip_bits(&gbc, 2); // surmixlev
263 lfeon = get_bits1(&gbc);
265 init_put_bits(&pbc, buf, sizeof(buf));
266 put_bits(&pbc, 2, fscod);
267 put_bits(&pbc, 5, bsid);
268 put_bits(&pbc, 3, bsmod);
269 put_bits(&pbc, 3, acmod);
270 put_bits(&pbc, 1, lfeon);
271 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
272 put_bits(&pbc, 5, 0); // reserved
274 flush_put_bits(&pbc);
275 avio_write(pb, buf, sizeof(buf));
281 * This function writes extradata "as is".
282 * Extradata must be formatted like a valid atom (with size and tag).
284 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
286 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
287 return track->enc->extradata_size;
290 static int mov_write_enda_tag(AVIOContext *pb)
293 ffio_wfourcc(pb, "enda");
294 avio_wb16(pb, 1); /* little endian */
298 static int mov_write_enda_tag_be(AVIOContext *pb)
301 ffio_wfourcc(pb, "enda");
302 avio_wb16(pb, 0); /* big endian */
306 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
311 avio_w8(pb, (size >> (7 * i)) | 0x80);
312 avio_w8(pb, size & 0x7F);
315 static unsigned compute_avg_bitrate(MOVTrack *track)
319 if (!track->track_duration)
321 for (i = 0; i < track->entry; i++)
322 size += track->cluster[i].size;
323 return size * 8 * track->timescale / track->track_duration;
326 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
328 int64_t pos = avio_tell(pb);
329 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
330 unsigned avg_bitrate;
332 avio_wb32(pb, 0); // size
333 ffio_wfourcc(pb, "esds");
334 avio_wb32(pb, 0); // Version
337 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
338 avio_wb16(pb, track->track_id);
339 avio_w8(pb, 0x00); // flags (= no flags)
341 // DecoderConfig descriptor
342 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
344 // Object type indication
345 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
346 track->enc->codec_id == AV_CODEC_ID_MP3) &&
347 track->enc->sample_rate > 24000)
348 avio_w8(pb, 0x6B); // 11172-3
350 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
352 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
353 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
354 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
355 avio_w8(pb, 0x15); // flags (= Audiostream)
357 avio_w8(pb, 0x11); // flags (= Visualstream)
359 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
361 avg_bitrate = compute_avg_bitrate(track);
362 // maxbitrate (FIXME should be max rate in any 1 sec window)
363 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
364 avio_wb32(pb, avg_bitrate);
366 if (track->vos_len) {
367 // DecoderSpecific info descriptor
368 put_descr(pb, 0x05, track->vos_len);
369 avio_write(pb, track->vos_data, track->vos_len);
373 put_descr(pb, 0x06, 1);
375 return update_size(pb, pos);
378 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
380 return codec_id == AV_CODEC_ID_PCM_S24LE ||
381 codec_id == AV_CODEC_ID_PCM_S32LE ||
382 codec_id == AV_CODEC_ID_PCM_F32LE ||
383 codec_id == AV_CODEC_ID_PCM_F64LE;
386 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
388 return codec_id == AV_CODEC_ID_PCM_S24BE ||
389 codec_id == AV_CODEC_ID_PCM_S32BE ||
390 codec_id == AV_CODEC_ID_PCM_F32BE ||
391 codec_id == AV_CODEC_ID_PCM_F64BE;
394 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
396 int64_t pos = avio_tell(pb);
398 avio_wl32(pb, track->tag); // store it byteswapped
399 track->enc->codec_tag = av_bswap16(track->tag >> 16);
400 ff_put_wav_header(pb, track->enc);
401 return update_size(pb, pos);
404 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
406 int64_t pos = avio_tell(pb);
408 ffio_wfourcc(pb, "wfex");
409 ff_put_wav_header(pb, track->enc);
410 return update_size(pb, pos);
413 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
415 uint32_t layout_tag, bitmap;
416 int64_t pos = avio_tell(pb);
418 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
419 track->enc->channel_layout,
422 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
423 "lack of channel information\n");
427 avio_wb32(pb, 0); // Size
428 ffio_wfourcc(pb, "chan"); // Type
429 avio_w8(pb, 0); // Version
430 avio_wb24(pb, 0); // Flags
431 avio_wb32(pb, layout_tag); // mChannelLayoutTag
432 avio_wb32(pb, bitmap); // mChannelBitmap
433 avio_wb32(pb, 0); // mNumberChannelDescriptions
435 return update_size(pb, pos);
438 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
440 int64_t pos = avio_tell(pb);
442 avio_wb32(pb, 0); /* size */
443 ffio_wfourcc(pb, "wave");
445 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
446 avio_wb32(pb, 12); /* size */
447 ffio_wfourcc(pb, "frma");
448 avio_wl32(pb, track->tag);
451 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
452 /* useless atom needed by mplayer, ipod, not needed by quicktime */
453 avio_wb32(pb, 12); /* size */
454 ffio_wfourcc(pb, "mp4a");
456 mov_write_esds_tag(pb, track);
457 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
458 mov_write_enda_tag(pb);
459 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
460 mov_write_enda_tag_be(pb);
461 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
462 mov_write_amr_tag(pb, track);
463 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
464 mov_write_ac3_tag(pb, track);
465 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
466 track->enc->codec_id == AV_CODEC_ID_QDM2) {
467 mov_write_extradata_tag(pb, track);
468 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
469 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
470 mov_write_ms_tag(pb, track);
473 avio_wb32(pb, 8); /* size */
474 avio_wb32(pb, 0); /* null tag */
476 return update_size(pb, pos);
479 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
482 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
483 int unescaped_size, seq_found = 0;
484 int level = 0, interlace = 0;
485 int packet_seq = track->vc1_info.packet_seq;
486 int packet_entry = track->vc1_info.packet_entry;
487 int slices = track->vc1_info.slices;
490 if (track->start_dts == AV_NOPTS_VALUE) {
491 /* No packets written yet, vc1_info isn't authoritative yet. */
492 /* Assume inline sequence and entry headers. This will be
493 * overwritten at the end if the file is seekable. */
494 packet_seq = packet_entry = 1;
497 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
499 return AVERROR(ENOMEM);
500 start = find_next_marker(track->vos_data, end);
501 for (next = start; next < end; start = next) {
504 next = find_next_marker(start + 4, end);
505 size = next - start - 4;
508 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
509 init_get_bits(&gb, unescaped, 8 * unescaped_size);
510 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
511 int profile = get_bits(&gb, 2);
512 if (profile != PROFILE_ADVANCED) {
514 return AVERROR(ENOSYS);
517 level = get_bits(&gb, 3);
518 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
520 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
521 skip_bits(&gb, 1); /* broadcast */
522 interlace = get_bits1(&gb);
523 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
528 return AVERROR(ENOSYS);
531 init_put_bits(&pbc, buf, 7);
532 /* VC1DecSpecStruc */
533 put_bits(&pbc, 4, 12); /* profile - advanced */
534 put_bits(&pbc, 3, level);
535 put_bits(&pbc, 1, 0); /* reserved */
536 /* VC1AdvDecSpecStruc */
537 put_bits(&pbc, 3, level);
538 put_bits(&pbc, 1, 0); /* cbr */
539 put_bits(&pbc, 6, 0); /* reserved */
540 put_bits(&pbc, 1, !interlace); /* no interlace */
541 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
542 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
543 put_bits(&pbc, 1, !slices); /* no slice code */
544 put_bits(&pbc, 1, 0); /* no bframe */
545 put_bits(&pbc, 1, 0); /* reserved */
546 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
547 flush_put_bits(&pbc);
554 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
556 uint8_t buf[7] = { 0 };
559 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
562 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
563 ffio_wfourcc(pb, "dvc1");
564 track->vc1_info.struct_offset = avio_tell(pb);
565 avio_write(pb, buf, sizeof(buf));
566 avio_write(pb, track->vos_data, track->vos_len);
571 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
573 avio_wb32(pb, track->vos_len + 8);
574 ffio_wfourcc(pb, "glbl");
575 avio_write(pb, track->vos_data, track->vos_len);
576 return 8 + track->vos_len;
580 * Compute flags for 'lpcm' tag.
581 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
583 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
586 case AV_CODEC_ID_PCM_F32BE:
587 case AV_CODEC_ID_PCM_F64BE:
589 case AV_CODEC_ID_PCM_F32LE:
590 case AV_CODEC_ID_PCM_F64LE:
592 case AV_CODEC_ID_PCM_U8:
594 case AV_CODEC_ID_PCM_S16BE:
595 case AV_CODEC_ID_PCM_S24BE:
596 case AV_CODEC_ID_PCM_S32BE:
598 case AV_CODEC_ID_PCM_S8:
599 case AV_CODEC_ID_PCM_S16LE:
600 case AV_CODEC_ID_PCM_S24LE:
601 case AV_CODEC_ID_PCM_S32LE:
608 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
612 if (cluster_idx >= track->entry)
615 if (cluster_idx + 1 == track->entry)
616 next_dts = track->track_duration + track->start_dts;
618 next_dts = track->cluster[cluster_idx + 1].dts;
620 return next_dts - track->cluster[cluster_idx].dts;
623 static int get_samples_per_packet(MOVTrack *track)
625 int i, first_duration;
627 // return track->enc->frame_size;
629 /* use 1 for raw PCM */
630 if (!track->audio_vbr)
633 /* check to see if duration is constant for all clusters */
636 first_duration = get_cluster_duration(track, 0);
637 for (i = 1; i < track->entry; i++) {
638 if (get_cluster_duration(track, i) != first_duration)
641 return first_duration;
644 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
646 int64_t pos = avio_tell(pb);
648 uint32_t tag = track->tag;
650 if (track->mode == MODE_MOV) {
651 if (track->timescale > UINT16_MAX) {
652 if (mov_get_lpcm_flags(track->enc->codec_id))
653 tag = AV_RL32("lpcm");
655 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
656 mov_pcm_be_gt16(track->enc->codec_id) ||
657 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
658 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
659 track->enc->codec_id == AV_CODEC_ID_QDM2) {
664 avio_wb32(pb, 0); /* size */
665 avio_wl32(pb, tag); // store it byteswapped
666 avio_wb32(pb, 0); /* Reserved */
667 avio_wb16(pb, 0); /* Reserved */
668 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
670 /* SoundDescription */
671 avio_wb16(pb, version); /* Version */
672 avio_wb16(pb, 0); /* Revision level */
673 avio_wb32(pb, 0); /* Reserved */
678 avio_wb16(pb, 0xfffe);
680 avio_wb32(pb, 0x00010000);
682 avio_wb64(pb, av_double2int(track->enc->sample_rate));
683 avio_wb32(pb, track->enc->channels);
684 avio_wb32(pb, 0x7F000000);
685 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
686 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
687 avio_wb32(pb, track->sample_size);
688 avio_wb32(pb, get_samples_per_packet(track));
690 if (track->mode == MODE_MOV) {
691 avio_wb16(pb, track->enc->channels);
692 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
693 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
694 avio_wb16(pb, 8); /* bits per sample */
697 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
698 } else { /* reserved for mp4/3gp */
704 avio_wb16(pb, 0); /* packet size (= 0) */
705 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
706 track->enc->sample_rate : 0);
707 avio_wb16(pb, 0); /* Reserved */
710 if (version == 1) { /* SoundDescription V1 extended info */
711 if (mov_pcm_le_gt16(track->enc->codec_id) ||
712 mov_pcm_be_gt16(track->enc->codec_id))
713 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
715 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
716 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
717 avio_wb32(pb, track->sample_size); /* Bytes per frame */
718 avio_wb32(pb, 2); /* Bytes per sample */
721 if (track->mode == MODE_MOV &&
722 (track->enc->codec_id == AV_CODEC_ID_AAC ||
723 track->enc->codec_id == AV_CODEC_ID_AC3 ||
724 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
725 track->enc->codec_id == AV_CODEC_ID_ALAC ||
726 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
727 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
728 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
729 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
730 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
731 mov_write_wave_tag(pb, track);
732 else if (track->tag == MKTAG('m','p','4','a'))
733 mov_write_esds_tag(pb, track);
734 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
735 mov_write_amr_tag(pb, track);
736 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
737 mov_write_ac3_tag(pb, track);
738 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
739 mov_write_extradata_tag(pb, track);
740 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
741 mov_write_wfex_tag(pb, track);
742 else if (track->vos_len > 0)
743 mov_write_glbl_tag(pb, track);
745 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
746 mov_write_chan_tag(pb, track);
748 return update_size(pb, pos);
751 static int mov_write_d263_tag(AVIOContext *pb)
753 avio_wb32(pb, 0xf); /* size */
754 ffio_wfourcc(pb, "d263");
755 ffio_wfourcc(pb, "FFMP");
756 avio_w8(pb, 0); /* decoder version */
757 /* FIXME use AVCodecContext level/profile, when encoder will set values */
758 avio_w8(pb, 0xa); /* level */
759 avio_w8(pb, 0); /* profile */
763 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
765 int64_t pos = avio_tell(pb);
768 ffio_wfourcc(pb, "avcC");
769 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
770 return update_size(pb, pos);
773 /* also used by all avid codecs (dv, imx, meridien) and their variants */
774 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
777 avio_wb32(pb, 24); /* size */
778 ffio_wfourcc(pb, "ACLR");
779 ffio_wfourcc(pb, "ACLR");
780 ffio_wfourcc(pb, "0001");
781 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
782 avio_wb32(pb, 0); /* unknown */
784 avio_wb32(pb, 24); /* size */
785 ffio_wfourcc(pb, "APRG");
786 ffio_wfourcc(pb, "APRG");
787 ffio_wfourcc(pb, "0001");
788 avio_wb32(pb, 1); /* unknown */
789 avio_wb32(pb, 0); /* unknown */
791 avio_wb32(pb, 120); /* size */
792 ffio_wfourcc(pb, "ARES");
793 ffio_wfourcc(pb, "ARES");
794 ffio_wfourcc(pb, "0001");
795 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
796 avio_wb32(pb, track->enc->width);
797 /* values below are based on samples created with quicktime and avid codecs */
798 if (track->vos_data[5] & 2) { // interlaced
799 avio_wb32(pb, track->enc->height / 2);
800 avio_wb32(pb, 2); /* unknown */
801 avio_wb32(pb, 0); /* unknown */
802 avio_wb32(pb, 4); /* unknown */
804 avio_wb32(pb, track->enc->height);
805 avio_wb32(pb, 1); /* unknown */
806 avio_wb32(pb, 0); /* unknown */
807 if (track->enc->height == 1080)
808 avio_wb32(pb, 5); /* unknown */
810 avio_wb32(pb, 6); /* unknown */
813 for (i = 0; i < 10; i++)
816 /* extra padding for stsd needed */
821 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
823 int tag = track->enc->codec_tag;
825 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
828 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
829 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
830 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
831 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
832 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
833 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
834 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
839 static const AVCodecTag codec_ipod_tags[] = {
840 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
841 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
842 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
843 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
844 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
845 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
846 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
847 { AV_CODEC_ID_NONE, 0 },
850 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
852 int tag = track->enc->codec_tag;
854 // keep original tag for subs, ipod supports both formats
855 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
856 (tag == MKTAG('t', 'x', '3', 'g') ||
857 tag == MKTAG('t', 'e', 'x', 't'))))
858 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
860 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
861 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
862 "Quicktime/Ipod might not play the file\n");
867 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
871 if (track->enc->width == 720) { /* SD */
872 if (track->enc->height == 480) { /* NTSC */
873 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
874 else tag = MKTAG('d','v','c',' ');
875 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
876 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
877 else tag = MKTAG('d','v','p','p');
878 } else if (track->enc->height == 720) { /* HD 720 line */
879 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
880 else tag = MKTAG('d','v','h','p');
881 } else if (track->enc->height == 1080) { /* HD 1080 line */
882 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
883 else tag = MKTAG('d','v','h','6');
885 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
892 static const struct {
893 enum AVPixelFormat pix_fmt;
896 } mov_pix_fmt_tags[] = {
897 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
898 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
899 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
900 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
901 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
902 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
903 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
904 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
905 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
906 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
907 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
908 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
909 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
910 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
911 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
914 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
916 int tag = track->enc->codec_tag;
919 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
920 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
921 tag = mov_pix_fmt_tags[i].tag;
922 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
923 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
931 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
933 int tag = track->enc->codec_tag;
935 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
936 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
937 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
938 track->enc->codec_id == AV_CODEC_ID_H263 ||
939 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
940 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
941 tag = mov_get_dv_codec_tag(s, track);
942 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
943 tag = mov_get_rawvideo_codec_tag(s, track);
944 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
945 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
946 if (!tag) { // if no mac fcc found, try with Microsoft tags
947 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
949 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
950 "the file may be unplayable!\n");
952 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
953 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
954 if (!tag) { // if no mac fcc found, try with Microsoft tags
955 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
957 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
958 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
959 "the file may be unplayable!\n");
962 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
963 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
969 static const AVCodecTag codec_3gp_tags[] = {
970 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
971 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
972 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
973 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
974 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
975 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
976 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
977 { AV_CODEC_ID_NONE, 0 },
980 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
981 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
982 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
983 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
984 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
985 { AV_CODEC_ID_NONE, 0 },
988 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
992 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
993 tag = mp4_get_codec_tag(s, track);
994 else if (track->mode == MODE_ISM) {
995 tag = mp4_get_codec_tag(s, track);
996 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
997 tag = MKTAG('w', 'm', 'a', ' ');
998 } else if (track->mode == MODE_IPOD)
999 tag = ipod_get_codec_tag(s, track);
1000 else if (track->mode & MODE_3GP)
1001 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1002 else if (track->mode & MODE_F4V)
1003 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1005 tag = mov_get_codec_tag(s, track);
1010 /** Write uuid atom.
1011 * Needed to make file play in iPods running newest firmware
1012 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1014 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1017 ffio_wfourcc(pb, "uuid");
1018 avio_wb32(pb, 0x6b6840f2);
1019 avio_wb32(pb, 0x5f244fc5);
1020 avio_wb32(pb, 0xba39a51b);
1021 avio_wb32(pb, 0xcf0323f3);
1026 static const uint16_t fiel_data[] = {
1027 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1030 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1032 unsigned mov_field_order = 0;
1033 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1034 mov_field_order = fiel_data[track->enc->field_order];
1038 ffio_wfourcc(pb, "fiel");
1039 avio_wb16(pb, mov_field_order);
1043 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1045 int64_t pos = avio_tell(pb);
1046 avio_wb32(pb, 0); /* size */
1047 avio_wl32(pb, track->tag); // store it byteswapped
1048 avio_wb32(pb, 0); /* Reserved */
1049 avio_wb16(pb, 0); /* Reserved */
1050 avio_wb16(pb, 1); /* Data-reference index */
1052 if (track->enc->extradata_size)
1053 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1055 return update_size(pb, pos);
1058 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1061 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1062 track->enc->sample_aspect_ratio.den, INT_MAX);
1065 ffio_wfourcc(pb, "pasp");
1066 avio_wb32(pb, sar.num);
1067 avio_wb32(pb, sar.den);
1071 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1073 int64_t pos = avio_tell(pb);
1074 char compressor_name[32] = { 0 };
1076 avio_wb32(pb, 0); /* size */
1077 avio_wl32(pb, track->tag); // store it byteswapped
1078 avio_wb32(pb, 0); /* Reserved */
1079 avio_wb16(pb, 0); /* Reserved */
1080 avio_wb16(pb, 1); /* Data-reference index */
1082 avio_wb16(pb, 0); /* Codec stream version */
1083 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1084 if (track->mode == MODE_MOV) {
1085 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1086 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1087 avio_wb32(pb, 0); /* Temporal Quality */
1088 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1090 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1091 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1094 avio_wb32(pb, 0); /* Reserved */
1095 avio_wb32(pb, 0); /* Reserved */
1096 avio_wb32(pb, 0); /* Reserved */
1098 avio_wb16(pb, track->enc->width); /* Video width */
1099 avio_wb16(pb, track->height); /* Video height */
1100 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1101 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1102 avio_wb32(pb, 0); /* Data size (= 0) */
1103 avio_wb16(pb, 1); /* Frame count (= 1) */
1105 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1106 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1107 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1108 avio_w8(pb, strlen(compressor_name));
1109 avio_write(pb, compressor_name, 31);
1111 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1112 avio_wb16(pb, track->enc->bits_per_coded_sample);
1114 avio_wb16(pb, 0x18); /* Reserved */
1115 avio_wb16(pb, 0xffff); /* Reserved */
1116 if (track->tag == MKTAG('m','p','4','v'))
1117 mov_write_esds_tag(pb, track);
1118 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1119 mov_write_d263_tag(pb);
1120 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1121 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1122 mov_write_extradata_tag(pb, track);
1124 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1125 mov_write_avid_tag(pb, track);
1126 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1127 mov_write_avcc_tag(pb, track);
1128 if (track->mode == MODE_IPOD)
1129 mov_write_uuid_tag_ipod(pb);
1130 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1131 mov_write_dvc1_tag(pb, track);
1132 else if (track->vos_len > 0)
1133 mov_write_glbl_tag(pb, track);
1135 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1136 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1137 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1138 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1139 mov_write_fiel_tag(pb, track);
1141 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1142 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1143 mov_write_pasp_tag(pb, track);
1146 return update_size(pb, pos);
1149 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1151 int64_t pos = avio_tell(pb);
1152 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1153 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1155 if (nb_frames > 255) {
1156 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1157 return AVERROR(EINVAL);
1160 avio_wb32(pb, 0); /* size */
1161 ffio_wfourcc(pb, "tmcd"); /* Data format */
1162 avio_wb32(pb, 0); /* Reserved */
1163 avio_wb32(pb, 1); /* Data reference index */
1164 avio_wb32(pb, 0); /* Flags */
1165 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1166 avio_wb32(pb, track->timescale); /* Timescale */
1167 avio_wb32(pb, frame_duration); /* Frame duration */
1168 avio_w8(pb, nb_frames); /* Number of frames */
1169 avio_wb24(pb, 0); /* Reserved */
1170 /* TODO: source reference string */
1171 return update_size(pb, pos);
1174 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1176 int64_t pos = avio_tell(pb);
1177 avio_wb32(pb, 0); /* size */
1178 ffio_wfourcc(pb, "rtp ");
1179 avio_wb32(pb, 0); /* Reserved */
1180 avio_wb16(pb, 0); /* Reserved */
1181 avio_wb16(pb, 1); /* Data-reference index */
1183 avio_wb16(pb, 1); /* Hint track version */
1184 avio_wb16(pb, 1); /* Highest compatible version */
1185 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1187 avio_wb32(pb, 12); /* size */
1188 ffio_wfourcc(pb, "tims");
1189 avio_wb32(pb, track->timescale);
1191 return update_size(pb, pos);
1194 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1196 int64_t pos = avio_tell(pb);
1197 avio_wb32(pb, 0); /* size */
1198 ffio_wfourcc(pb, "stsd");
1199 avio_wb32(pb, 0); /* version & flags */
1200 avio_wb32(pb, 1); /* entry count */
1201 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1202 mov_write_video_tag(pb, track);
1203 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1204 mov_write_audio_tag(pb, track);
1205 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1206 mov_write_subtitle_tag(pb, track);
1207 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1208 mov_write_rtp_tag(pb, track);
1209 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1210 mov_write_tmcd_tag(pb, track);
1211 return update_size(pb, pos);
1214 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1216 MOVStts *ctts_entries;
1217 uint32_t entries = 0;
1221 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1222 ctts_entries[0].count = 1;
1223 ctts_entries[0].duration = track->cluster[0].cts;
1224 for (i = 1; i < track->entry; i++) {
1225 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1226 ctts_entries[entries].count++; /* compress */
1229 ctts_entries[entries].duration = track->cluster[i].cts;
1230 ctts_entries[entries].count = 1;
1233 entries++; /* last one */
1234 atom_size = 16 + (entries * 8);
1235 avio_wb32(pb, atom_size); /* size */
1236 ffio_wfourcc(pb, "ctts");
1237 avio_wb32(pb, 0); /* version & flags */
1238 avio_wb32(pb, entries); /* entry count */
1239 for (i = 0; i < entries; i++) {
1240 avio_wb32(pb, ctts_entries[i].count);
1241 avio_wb32(pb, ctts_entries[i].duration);
1243 av_free(ctts_entries);
1247 /* Time to sample atom */
1248 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1250 MOVStts *stts_entries;
1251 uint32_t entries = -1;
1255 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1256 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1257 stts_entries[0].count = track->sample_count;
1258 stts_entries[0].duration = 1;
1261 stts_entries = track->entry ?
1262 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1264 for (i = 0; i < track->entry; i++) {
1265 int duration = get_cluster_duration(track, i);
1266 if (i && duration == stts_entries[entries].duration) {
1267 stts_entries[entries].count++; /* compress */
1270 stts_entries[entries].duration = duration;
1271 stts_entries[entries].count = 1;
1274 entries++; /* last one */
1276 atom_size = 16 + (entries * 8);
1277 avio_wb32(pb, atom_size); /* size */
1278 ffio_wfourcc(pb, "stts");
1279 avio_wb32(pb, 0); /* version & flags */
1280 avio_wb32(pb, entries); /* entry count */
1281 for (i = 0; i < entries; i++) {
1282 avio_wb32(pb, stts_entries[i].count);
1283 avio_wb32(pb, stts_entries[i].duration);
1285 av_free(stts_entries);
1289 static int mov_write_dref_tag(AVIOContext *pb)
1291 avio_wb32(pb, 28); /* size */
1292 ffio_wfourcc(pb, "dref");
1293 avio_wb32(pb, 0); /* version & flags */
1294 avio_wb32(pb, 1); /* entry count */
1296 avio_wb32(pb, 0xc); /* size */
1297 //FIXME add the alis and rsrc atom
1298 ffio_wfourcc(pb, "url ");
1299 avio_wb32(pb, 1); /* version & flags */
1304 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1306 int64_t pos = avio_tell(pb);
1307 avio_wb32(pb, 0); /* size */
1308 ffio_wfourcc(pb, "stbl");
1309 mov_write_stsd_tag(pb, track);
1310 mov_write_stts_tag(pb, track);
1311 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1312 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1313 track->has_keyframes && track->has_keyframes < track->entry)
1314 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1315 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1316 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1317 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1318 track->flags & MOV_TRACK_CTTS)
1319 mov_write_ctts_tag(pb, track);
1320 mov_write_stsc_tag(pb, track);
1321 mov_write_stsz_tag(pb, track);
1322 mov_write_stco_tag(pb, track);
1323 return update_size(pb, pos);
1326 static int mov_write_dinf_tag(AVIOContext *pb)
1328 int64_t pos = avio_tell(pb);
1329 avio_wb32(pb, 0); /* size */
1330 ffio_wfourcc(pb, "dinf");
1331 mov_write_dref_tag(pb);
1332 return update_size(pb, pos);
1335 static int mov_write_nmhd_tag(AVIOContext *pb)
1338 ffio_wfourcc(pb, "nmhd");
1343 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1345 int64_t pos = avio_tell(pb);
1346 const char *font = "Lucida Grande";
1347 avio_wb32(pb, 0); /* size */
1348 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1349 avio_wb32(pb, 0); /* version & flags */
1350 avio_wb16(pb, 0); /* text font */
1351 avio_wb16(pb, 0); /* text face */
1352 avio_wb16(pb, 12); /* text size */
1353 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1354 avio_wb16(pb, 0x0000); /* text color (red) */
1355 avio_wb16(pb, 0x0000); /* text color (green) */
1356 avio_wb16(pb, 0x0000); /* text color (blue) */
1357 avio_wb16(pb, 0xffff); /* background color (red) */
1358 avio_wb16(pb, 0xffff); /* background color (green) */
1359 avio_wb16(pb, 0xffff); /* background color (blue) */
1360 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1361 avio_write(pb, font, strlen(font)); /* font name */
1362 return update_size(pb, pos);
1365 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1367 int64_t pos = avio_tell(pb);
1368 avio_wb32(pb, 0); /* size */
1369 ffio_wfourcc(pb, "gmhd");
1370 avio_wb32(pb, 0x18); /* gmin size */
1371 ffio_wfourcc(pb, "gmin");/* generic media info */
1372 avio_wb32(pb, 0); /* version & flags */
1373 avio_wb16(pb, 0x40); /* graphics mode = */
1374 avio_wb16(pb, 0x8000); /* opColor (r?) */
1375 avio_wb16(pb, 0x8000); /* opColor (g?) */
1376 avio_wb16(pb, 0x8000); /* opColor (b?) */
1377 avio_wb16(pb, 0); /* balance */
1378 avio_wb16(pb, 0); /* reserved */
1381 * This special text atom is required for
1382 * Apple Quicktime chapters. The contents
1383 * don't appear to be documented, so the
1384 * bytes are copied verbatim.
1386 if (track->tag != MKTAG('c','6','0','8')) {
1387 avio_wb32(pb, 0x2C); /* size */
1388 ffio_wfourcc(pb, "text");
1389 avio_wb16(pb, 0x01);
1390 avio_wb32(pb, 0x00);
1391 avio_wb32(pb, 0x00);
1392 avio_wb32(pb, 0x00);
1393 avio_wb32(pb, 0x01);
1394 avio_wb32(pb, 0x00);
1395 avio_wb32(pb, 0x00);
1396 avio_wb32(pb, 0x00);
1397 avio_wb32(pb, 0x00004000);
1398 avio_wb16(pb, 0x0000);
1401 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1402 int64_t tmcd_pos = avio_tell(pb);
1403 avio_wb32(pb, 0); /* size */
1404 ffio_wfourcc(pb, "tmcd");
1405 mov_write_tcmi_tag(pb, track);
1406 update_size(pb, tmcd_pos);
1408 return update_size(pb, pos);
1411 static int mov_write_smhd_tag(AVIOContext *pb)
1413 avio_wb32(pb, 16); /* size */
1414 ffio_wfourcc(pb, "smhd");
1415 avio_wb32(pb, 0); /* version & flags */
1416 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1417 avio_wb16(pb, 0); /* reserved */
1421 static int mov_write_vmhd_tag(AVIOContext *pb)
1423 avio_wb32(pb, 0x14); /* size (always 0x14) */
1424 ffio_wfourcc(pb, "vmhd");
1425 avio_wb32(pb, 0x01); /* version & flags */
1426 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1430 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1432 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1433 int64_t pos = avio_tell(pb);
1437 descr = "DataHandler";
1440 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1441 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1443 descr = "VideoHandler";
1444 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1446 descr = "SoundHandler";
1447 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1448 if (track->tag == MKTAG('c','6','0','8')) {
1450 descr = "ClosedCaptionHandler";
1452 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1453 else hdlr_type = "text";
1454 descr = "SubtitleHandler";
1456 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1458 descr = "HintHandler";
1459 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1461 descr = "TimeCodeHandler";
1464 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1465 track->enc->codec_tag);
1467 av_log(track->enc, AV_LOG_WARNING,
1468 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1469 tag_buf, track->enc->codec_tag);
1473 avio_wb32(pb, 0); /* size */
1474 ffio_wfourcc(pb, "hdlr");
1475 avio_wb32(pb, 0); /* Version & flags */
1476 avio_write(pb, hdlr, 4); /* handler */
1477 ffio_wfourcc(pb, hdlr_type); /* handler type */
1478 avio_wb32(pb, 0); /* reserved */
1479 avio_wb32(pb, 0); /* reserved */
1480 avio_wb32(pb, 0); /* reserved */
1481 if (!track || track->mode == MODE_MOV)
1482 avio_w8(pb, strlen(descr)); /* pascal string */
1483 avio_write(pb, descr, strlen(descr)); /* handler description */
1484 if (track && track->mode != MODE_MOV)
1485 avio_w8(pb, 0); /* c string */
1486 return update_size(pb, pos);
1489 static int mov_write_hmhd_tag(AVIOContext *pb)
1491 /* This atom must be present, but leaving the values at zero
1492 * seems harmless. */
1493 avio_wb32(pb, 28); /* size */
1494 ffio_wfourcc(pb, "hmhd");
1495 avio_wb32(pb, 0); /* version, flags */
1496 avio_wb16(pb, 0); /* maxPDUsize */
1497 avio_wb16(pb, 0); /* avgPDUsize */
1498 avio_wb32(pb, 0); /* maxbitrate */
1499 avio_wb32(pb, 0); /* avgbitrate */
1500 avio_wb32(pb, 0); /* reserved */
1504 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1506 int64_t pos = avio_tell(pb);
1507 avio_wb32(pb, 0); /* size */
1508 ffio_wfourcc(pb, "minf");
1509 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1510 mov_write_vmhd_tag(pb);
1511 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1512 mov_write_smhd_tag(pb);
1513 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1514 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1515 mov_write_gmhd_tag(pb, track);
1517 mov_write_nmhd_tag(pb);
1519 } else if (track->tag == MKTAG('t','m','c','d')) {
1520 mov_write_gmhd_tag(pb, track);
1521 } else if (track->tag == MKTAG('r','t','p',' ')) {
1522 mov_write_hmhd_tag(pb);
1524 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1525 mov_write_hdlr_tag(pb, NULL);
1526 mov_write_dinf_tag(pb);
1527 mov_write_stbl_tag(pb, track);
1528 return update_size(pb, pos);
1531 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1533 int version = track->track_duration < INT32_MAX ? 0 : 1;
1535 if (track->mode == MODE_ISM)
1538 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1539 ffio_wfourcc(pb, "mdhd");
1540 avio_w8(pb, version);
1541 avio_wb24(pb, 0); /* flags */
1543 avio_wb64(pb, track->time);
1544 avio_wb64(pb, track->time);
1546 avio_wb32(pb, track->time); /* creation time */
1547 avio_wb32(pb, track->time); /* modification time */
1549 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1551 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1553 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1554 avio_wb16(pb, track->language); /* language */
1555 avio_wb16(pb, 0); /* reserved (quality) */
1557 if (version != 0 && track->mode == MODE_MOV) {
1558 av_log(NULL, AV_LOG_ERROR,
1559 "FATAL error, file duration too long for timebase, this file will not be\n"
1560 "playable with quicktime. Choose a different timebase or a different\n"
1561 "container format\n");
1567 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1569 int64_t pos = avio_tell(pb);
1570 avio_wb32(pb, 0); /* size */
1571 ffio_wfourcc(pb, "mdia");
1572 mov_write_mdhd_tag(pb, track);
1573 mov_write_hdlr_tag(pb, track);
1574 mov_write_minf_tag(pb, track);
1575 return update_size(pb, pos);
1578 /* transformation matrix
1582 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1583 int16_t d, int16_t tx, int16_t ty)
1585 avio_wb32(pb, a << 16); /* 16.16 format */
1586 avio_wb32(pb, b << 16); /* 16.16 format */
1587 avio_wb32(pb, 0); /* u in 2.30 format */
1588 avio_wb32(pb, c << 16); /* 16.16 format */
1589 avio_wb32(pb, d << 16); /* 16.16 format */
1590 avio_wb32(pb, 0); /* v in 2.30 format */
1591 avio_wb32(pb, tx << 16); /* 16.16 format */
1592 avio_wb32(pb, ty << 16); /* 16.16 format */
1593 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1596 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1598 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1599 track->timescale, AV_ROUND_UP);
1600 int version = duration < INT32_MAX ? 0 : 1;
1603 if (track->mode == MODE_ISM)
1606 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1607 ffio_wfourcc(pb, "tkhd");
1608 avio_w8(pb, version);
1609 avio_wb24(pb, track->secondary ? 0x2 : 0xf); /* flags (first track enabled) */
1611 avio_wb64(pb, track->time);
1612 avio_wb64(pb, track->time);
1614 avio_wb32(pb, track->time); /* creation time */
1615 avio_wb32(pb, track->time); /* modification time */
1617 avio_wb32(pb, track->track_id); /* track-id */
1618 avio_wb32(pb, 0); /* reserved */
1620 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1622 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1624 avio_wb32(pb, 0); /* reserved */
1625 avio_wb32(pb, 0); /* reserved */
1626 avio_wb16(pb, 0); /* layer */
1627 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1628 /* Volume, only for audio */
1629 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1630 avio_wb16(pb, 0x0100);
1633 avio_wb16(pb, 0); /* reserved */
1635 /* Matrix structure */
1636 if (st && st->metadata) {
1637 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1638 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1640 if (rotation == 90) {
1641 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1642 } else if (rotation == 180) {
1643 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1644 } else if (rotation == 270) {
1645 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1647 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1649 /* Track width and height, for visual only */
1650 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1651 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1652 if (track->mode == MODE_MOV) {
1653 avio_wb32(pb, track->enc->width << 16);
1654 avio_wb32(pb, track->height << 16);
1656 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1657 if (!sample_aspect_ratio || track->height != track->enc->height)
1658 sample_aspect_ratio = 1;
1659 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1660 avio_wb32(pb, track->height * 0x10000);
1669 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1671 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1672 track->enc->sample_aspect_ratio.den);
1674 int64_t pos = avio_tell(pb);
1676 avio_wb32(pb, 0); /* size */
1677 ffio_wfourcc(pb, "tapt");
1680 ffio_wfourcc(pb, "clef");
1682 avio_wb32(pb, width << 16);
1683 avio_wb32(pb, track->enc->height << 16);
1686 ffio_wfourcc(pb, "prof");
1688 avio_wb32(pb, width << 16);
1689 avio_wb32(pb, track->enc->height << 16);
1692 ffio_wfourcc(pb, "enof");
1694 avio_wb32(pb, track->enc->width << 16);
1695 avio_wb32(pb, track->enc->height << 16);
1697 return update_size(pb, pos);
1700 // This box seems important for the psp playback ... without it the movie seems to hang
1701 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1703 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1704 track->timescale, AV_ROUND_UP);
1705 int version = duration < INT32_MAX ? 0 : 1;
1706 int entry_size, entry_count, size;
1707 int64_t delay, start_ct = track->cluster[0].cts;
1708 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1709 track->timescale, AV_ROUND_DOWN);
1710 version |= delay < INT32_MAX ? 0 : 1;
1712 entry_size = (version == 1) ? 20 : 12;
1713 entry_count = 1 + (delay > 0);
1714 size = 24 + entry_count * entry_size;
1716 /* write the atom data */
1717 avio_wb32(pb, size);
1718 ffio_wfourcc(pb, "edts");
1719 avio_wb32(pb, size - 8);
1720 ffio_wfourcc(pb, "elst");
1721 avio_w8(pb, version);
1722 avio_wb24(pb, 0); /* flags */
1724 avio_wb32(pb, entry_count);
1725 if (delay > 0) { /* add an empty edit to delay presentation */
1727 avio_wb64(pb, delay);
1730 avio_wb32(pb, delay);
1733 avio_wb32(pb, 0x00010000);
1735 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1736 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1742 avio_wb64(pb, duration);
1743 avio_wb64(pb, start_ct);
1745 avio_wb32(pb, duration);
1746 avio_wb32(pb, start_ct);
1748 avio_wb32(pb, 0x00010000);
1752 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1754 avio_wb32(pb, 20); // size
1755 ffio_wfourcc(pb, "tref");
1756 avio_wb32(pb, 12); // size (subatom)
1757 avio_wl32(pb, track->tref_tag);
1758 avio_wb32(pb, track->tref_id);
1762 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1763 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1765 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1766 ffio_wfourcc(pb, "uuid");
1767 ffio_wfourcc(pb, "USMT");
1768 avio_wb32(pb, 0x21d24fce);
1769 avio_wb32(pb, 0xbb88695c);
1770 avio_wb32(pb, 0xfac9c740);
1771 avio_wb32(pb, 0x1c); // another size here!
1772 ffio_wfourcc(pb, "MTDT");
1773 avio_wb32(pb, 0x00010012);
1774 avio_wb32(pb, 0x0a);
1775 avio_wb32(pb, 0x55c40000);
1781 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1783 AVFormatContext *ctx = track->rtp_ctx;
1784 char buf[1000] = "";
1787 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1788 NULL, NULL, 0, 0, ctx);
1789 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1792 avio_wb32(pb, len + 24);
1793 ffio_wfourcc(pb, "udta");
1794 avio_wb32(pb, len + 16);
1795 ffio_wfourcc(pb, "hnti");
1796 avio_wb32(pb, len + 8);
1797 ffio_wfourcc(pb, "sdp ");
1798 avio_write(pb, buf, len);
1802 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1803 MOVTrack *track, AVStream *st)
1805 int64_t pos = avio_tell(pb);
1806 avio_wb32(pb, 0); /* size */
1807 ffio_wfourcc(pb, "trak");
1808 mov_write_tkhd_tag(pb, track, st);
1809 if (supports_edts(mov))
1810 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1811 if (track->tref_tag)
1812 mov_write_tref_tag(pb, track);
1813 mov_write_mdia_tag(pb, track);
1814 if (track->mode == MODE_PSP)
1815 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1816 if (track->tag == MKTAG('r','t','p',' '))
1817 mov_write_udta_sdp(pb, track);
1818 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1819 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1820 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1821 mov_write_tapt_tag(pb, track);
1823 return update_size(pb, pos);
1826 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1828 int i, has_audio = 0, has_video = 0;
1829 int64_t pos = avio_tell(pb);
1830 int audio_profile = mov->iods_audio_profile;
1831 int video_profile = mov->iods_video_profile;
1832 for (i = 0; i < mov->nb_streams; i++) {
1833 if (mov->tracks[i].entry > 0) {
1834 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1835 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1838 if (audio_profile < 0)
1839 audio_profile = 0xFF - has_audio;
1840 if (video_profile < 0)
1841 video_profile = 0xFF - has_video;
1842 avio_wb32(pb, 0x0); /* size */
1843 ffio_wfourcc(pb, "iods");
1844 avio_wb32(pb, 0); /* version & flags */
1845 put_descr(pb, 0x10, 7);
1846 avio_wb16(pb, 0x004f);
1849 avio_w8(pb, audio_profile);
1850 avio_w8(pb, video_profile);
1852 return update_size(pb, pos);
1855 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1857 avio_wb32(pb, 0x20); /* size */
1858 ffio_wfourcc(pb, "trex");
1859 avio_wb32(pb, 0); /* version & flags */
1860 avio_wb32(pb, track->track_id); /* track ID */
1861 avio_wb32(pb, 1); /* default sample description index */
1862 avio_wb32(pb, 0); /* default sample duration */
1863 avio_wb32(pb, 0); /* default sample size */
1864 avio_wb32(pb, 0); /* default sample flags */
1868 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1870 int64_t pos = avio_tell(pb);
1872 avio_wb32(pb, 0x0); /* size */
1873 ffio_wfourcc(pb, "mvex");
1874 for (i = 0; i < mov->nb_streams; i++)
1875 mov_write_trex_tag(pb, &mov->tracks[i]);
1876 return update_size(pb, pos);
1879 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1881 int max_track_id = 1, i;
1882 int64_t max_track_len_temp, max_track_len = 0;
1885 for (i = 0; i < mov->nb_streams; i++) {
1886 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1887 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1889 mov->tracks[i].timescale,
1891 if (max_track_len < max_track_len_temp)
1892 max_track_len = max_track_len_temp;
1893 if (max_track_id < mov->tracks[i].track_id)
1894 max_track_id = mov->tracks[i].track_id;
1898 version = max_track_len < UINT32_MAX ? 0 : 1;
1899 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1900 ffio_wfourcc(pb, "mvhd");
1901 avio_w8(pb, version);
1902 avio_wb24(pb, 0); /* flags */
1904 avio_wb64(pb, mov->time);
1905 avio_wb64(pb, mov->time);
1907 avio_wb32(pb, mov->time); /* creation time */
1908 avio_wb32(pb, mov->time); /* modification time */
1910 avio_wb32(pb, MOV_TIMESCALE);
1911 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1913 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1914 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1915 avio_wb16(pb, 0); /* reserved */
1916 avio_wb32(pb, 0); /* reserved */
1917 avio_wb32(pb, 0); /* reserved */
1919 /* Matrix structure */
1920 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1922 avio_wb32(pb, 0); /* reserved (preview time) */
1923 avio_wb32(pb, 0); /* reserved (preview duration) */
1924 avio_wb32(pb, 0); /* reserved (poster time) */
1925 avio_wb32(pb, 0); /* reserved (selection time) */
1926 avio_wb32(pb, 0); /* reserved (selection duration) */
1927 avio_wb32(pb, 0); /* reserved (current time) */
1928 avio_wb32(pb, max_track_id + 1); /* Next track id */
1932 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1935 avio_wb32(pb, 33); /* size */
1936 ffio_wfourcc(pb, "hdlr");
1939 ffio_wfourcc(pb, "mdir");
1940 ffio_wfourcc(pb, "appl");
1947 /* helper function to write a data tag with the specified string as data */
1948 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1951 int size = 16 + strlen(data);
1952 avio_wb32(pb, size); /* size */
1953 ffio_wfourcc(pb, "data");
1956 avio_write(pb, data, strlen(data));
1960 lang = ff_mov_iso639_to_lang("und", 1);
1961 avio_wb16(pb, strlen(data)); /* string length */
1962 avio_wb16(pb, lang);
1963 avio_write(pb, data, strlen(data));
1964 return strlen(data) + 4;
1968 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1969 const char *value, int lang, int long_style)
1972 if (value && value[0]) {
1973 int64_t pos = avio_tell(pb);
1974 avio_wb32(pb, 0); /* size */
1975 ffio_wfourcc(pb, name);
1976 mov_write_string_data_tag(pb, value, lang, long_style);
1977 size = update_size(pb, pos);
1982 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1983 const char *name, const char *tag,
1986 int l, lang = 0, len, len2;
1987 AVDictionaryEntry *t, *t2 = NULL;
1990 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1993 len = strlen(t->key);
1994 snprintf(tag2, sizeof(tag2), "%s-", tag);
1995 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1996 len2 = strlen(t2->key);
1997 if (len2 == len + 4 && !strcmp(t->value, t2->value)
1998 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2003 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2006 /* iTunes bpm number */
2007 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2009 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2010 int size = 0, tmpo = t ? atoi(t->value) : 0;
2013 avio_wb32(pb, size);
2014 ffio_wfourcc(pb, "tmpo");
2015 avio_wb32(pb, size-8); /* size */
2016 ffio_wfourcc(pb, "data");
2017 avio_wb32(pb, 0x15); //type specifier
2019 avio_wb16(pb, tmpo); // data
2024 /* iTunes track or disc number */
2025 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2026 AVFormatContext *s, int disc)
2028 AVDictionaryEntry *t = av_dict_get(s->metadata,
2029 disc ? "disc" : "track",
2031 int size = 0, track = t ? atoi(t->value) : 0;
2034 char *slash = strchr(t->value, '/');
2036 tracks = atoi(slash + 1);
2037 avio_wb32(pb, 32); /* size */
2038 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2039 avio_wb32(pb, 24); /* size */
2040 ffio_wfourcc(pb, "data");
2041 avio_wb32(pb, 0); // 8 bytes empty
2043 avio_wb16(pb, 0); // empty
2044 avio_wb16(pb, track); // track / disc number
2045 avio_wb16(pb, tracks); // total track / disc number
2046 avio_wb16(pb, 0); // empty
2052 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2053 const char *name, const char *tag,
2056 AVDictionaryEntry *t = NULL;
2058 int size = 24 + len;
2060 if (len != 1 && len != 4)
2063 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2065 num = atoi(t->value);
2067 avio_wb32(pb, size);
2068 ffio_wfourcc(pb, name);
2069 avio_wb32(pb, size - 8);
2070 ffio_wfourcc(pb, "data");
2071 avio_wb32(pb, 0x15);
2073 if (len==4) avio_wb32(pb, num);
2074 else avio_w8 (pb, num);
2079 /* iTunes meta data list */
2080 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2083 int64_t pos = avio_tell(pb);
2084 avio_wb32(pb, 0); /* size */
2085 ffio_wfourcc(pb, "ilst");
2086 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2087 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2088 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2089 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2090 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2091 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2092 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2093 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2094 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2095 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2096 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2097 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2098 mov_write_string_metadata(s, pb, "desc", "description",1);
2099 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2100 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2101 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2102 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2103 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2104 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2105 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2106 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2107 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2108 mov_write_trkn_tag(pb, mov, s, 0); // track number
2109 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2110 mov_write_tmpo_tag(pb, s);
2111 return update_size(pb, pos);
2114 /* iTunes meta data tag */
2115 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2119 int64_t pos = avio_tell(pb);
2120 avio_wb32(pb, 0); /* size */
2121 ffio_wfourcc(pb, "meta");
2123 mov_write_itunes_hdlr_tag(pb, mov, s);
2124 mov_write_ilst_tag(pb, mov, s);
2125 size = update_size(pb, pos);
2129 static int utf8len(const uint8_t *b)
2134 GET_UTF8(val, *b++, return -1;)
2140 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2144 GET_UTF8(val, *b++, return -1;)
2147 avio_wb16(pb, 0x00);
2151 static uint16_t language_code(const char *str)
2153 return (((str[0] - 0x60) & 0x1F) << 10) +
2154 (((str[1] - 0x60) & 0x1F) << 5) +
2155 (( str[2] - 0x60) & 0x1F);
2158 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2159 const char *tag, const char *str)
2161 int64_t pos = avio_tell(pb);
2162 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2163 if (!t || !utf8len(t->value))
2165 avio_wb32(pb, 0); /* size */
2166 ffio_wfourcc(pb, tag); /* type */
2167 avio_wb32(pb, 0); /* version + flags */
2168 if (!strcmp(tag, "yrrc"))
2169 avio_wb16(pb, atoi(t->value));
2171 avio_wb16(pb, language_code("eng")); /* language */
2172 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2173 if (!strcmp(tag, "albm") &&
2174 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2175 avio_w8(pb, atoi(t->value));
2177 return update_size(pb, pos);
2180 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2182 int64_t pos = avio_tell(pb);
2183 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2185 avio_wb32(pb, 0); // size
2186 ffio_wfourcc(pb, "chpl");
2187 avio_wb32(pb, 0x01000000); // version + flags
2188 avio_wb32(pb, 0); // unknown
2189 avio_w8(pb, nb_chapters);
2191 for (i = 0; i < nb_chapters; i++) {
2192 AVChapter *c = s->chapters[i];
2193 AVDictionaryEntry *t;
2194 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2196 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2197 int len = FFMIN(strlen(t->value), 255);
2199 avio_write(pb, t->value, len);
2203 return update_size(pb, pos);
2206 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2209 AVIOContext *pb_buf;
2213 for (i = 0; i < s->nb_streams; i++)
2214 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2218 ret = avio_open_dyn_buf(&pb_buf);
2222 if (mov->mode & MODE_3GP) {
2223 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2224 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2225 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2226 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2227 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2228 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2229 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2230 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2231 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2232 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2233 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2234 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2235 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2236 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2237 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2238 // currently ignored by mov.c
2239 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2240 // add support for libquicktime, this atom is also actually read by mov.c
2241 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2242 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2243 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2245 /* iTunes meta data */
2246 mov_write_meta_tag(pb_buf, mov, s);
2250 mov_write_chpl_tag(pb_buf, s);
2252 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2253 avio_wb32(pb, size + 8);
2254 ffio_wfourcc(pb, "udta");
2255 avio_write(pb, buf, size);
2262 static void mov_write_psp_udta_tag(AVIOContext *pb,
2263 const char *str, const char *lang, int type)
2265 int len = utf8len(str) + 1;
2268 avio_wb16(pb, len * 2 + 10); /* size */
2269 avio_wb32(pb, type); /* type */
2270 avio_wb16(pb, language_code(lang)); /* language */
2271 avio_wb16(pb, 0x01); /* ? */
2272 ascii_to_wc(pb, str);
2275 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2277 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2281 pos = avio_tell(pb);
2282 avio_wb32(pb, 0); /* size placeholder*/
2283 ffio_wfourcc(pb, "uuid");
2284 ffio_wfourcc(pb, "USMT");
2285 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2286 avio_wb32(pb, 0xbb88695c);
2287 avio_wb32(pb, 0xfac9c740);
2289 pos2 = avio_tell(pb);
2290 avio_wb32(pb, 0); /* size placeholder*/
2291 ffio_wfourcc(pb, "MTDT");
2295 avio_wb16(pb, 0x0C); /* size */
2296 avio_wb32(pb, 0x0B); /* type */
2297 avio_wb16(pb, language_code("und")); /* language */
2298 avio_wb16(pb, 0x0); /* ? */
2299 avio_wb16(pb, 0x021C); /* data */
2301 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2302 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2303 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2305 update_size(pb, pos2);
2306 return update_size(pb, pos);
2312 static void build_chunks(MOVTrack *trk)
2315 MOVIentry *chunk = &trk->cluster[0];
2316 uint64_t chunkSize = chunk->size;
2317 chunk->chunkNum = 1;
2318 if (trk->chunkCount)
2320 trk->chunkCount = 1;
2321 for (i = 1; i<trk->entry; i++){
2322 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2323 chunkSize + trk->cluster[i].size < (1<<20)){
2324 chunkSize += trk->cluster[i].size;
2325 chunk->samples_in_chunk += trk->cluster[i].entries;
2327 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2328 chunk=&trk->cluster[i];
2329 chunkSize = chunk->size;
2335 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2339 int64_t pos = avio_tell(pb);
2340 int not_first[AVMEDIA_TYPE_NB]={0};
2341 avio_wb32(pb, 0); /* size placeholder*/
2342 ffio_wfourcc(pb, "moov");
2344 for (i = 0; i < mov->nb_streams; i++) {
2345 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2348 mov->tracks[i].time = mov->time;
2349 mov->tracks[i].track_id = i + 1;
2351 if (mov->tracks[i].entry)
2352 build_chunks(&mov->tracks[i]);
2355 if (mov->chapter_track)
2356 for (i = 0; i < s->nb_streams; i++) {
2357 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2358 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2360 for (i = 0; i < mov->nb_streams; i++) {
2361 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2362 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2363 mov->tracks[i].tref_id =
2364 mov->tracks[mov->tracks[i].src_track].track_id;
2367 for (i = 0; i < mov->nb_streams; i++) {
2368 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2369 int src_trk = mov->tracks[i].src_track;
2370 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2371 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2372 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2376 mov_write_mvhd_tag(pb, mov);
2377 if (mov->mode != MODE_MOV && !mov->iods_skip)
2378 mov_write_iods_tag(pb, mov);
2379 for (i = 0; i < mov->nb_streams; i++) {
2380 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2381 if (i < s->nb_streams){
2382 int codec_type= s->streams[i]->codec->codec_type;
2383 if (codec_type==AVMEDIA_TYPE_AUDIO || codec_type==AVMEDIA_TYPE_SUBTITLE){
2384 mov->tracks[i].secondary= not_first[codec_type];
2385 not_first[codec_type]= 1;
2388 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2391 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2392 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2394 if (mov->mode == MODE_PSP)
2395 mov_write_uuidusmt_tag(pb, s);
2397 mov_write_udta_tag(pb, mov, s);
2399 return update_size(pb, pos);
2402 static void param_write_int(AVIOContext *pb, const char *name, int value)
2404 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2407 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2409 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2412 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2415 len = FFMIN(sizeof(buf) / 2 - 1, len);
2416 ff_data_to_hex(buf, value, len, 0);
2417 buf[2 * len] = '\0';
2418 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2421 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2423 int64_t pos = avio_tell(pb);
2425 static const uint8_t uuid[] = {
2426 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2427 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2431 ffio_wfourcc(pb, "uuid");
2432 avio_write(pb, uuid, sizeof(uuid));
2435 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2436 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2437 avio_printf(pb, "<head>\n");
2438 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2440 avio_printf(pb, "</head>\n");
2441 avio_printf(pb, "<body>\n");
2442 avio_printf(pb, "<switch>\n");
2443 for (i = 0; i < mov->nb_streams; i++) {
2444 MOVTrack *track = &mov->tracks[i];
2446 /* track->track_id is initialized in write_moov, and thus isn't known
2448 int track_id = i + 1;
2450 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2452 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2457 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2458 track->enc->bit_rate);
2459 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2460 param_write_int(pb, "trackID", track_id);
2461 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2462 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2464 int size = track->enc->extradata_size;
2465 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2467 param_write_hex(pb, "CodecPrivateData",
2468 ptr ? ptr : track->enc->extradata,
2472 param_write_string(pb, "FourCC", "H264");
2473 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2474 param_write_string(pb, "FourCC", "WVC1");
2475 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2476 track->enc->extradata_size);
2478 param_write_int(pb, "MaxWidth", track->enc->width);
2479 param_write_int(pb, "MaxHeight", track->enc->height);
2480 param_write_int(pb, "DisplayWidth", track->enc->width);
2481 param_write_int(pb, "DisplayHeight", track->enc->height);
2483 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2484 param_write_string(pb, "FourCC", "AACL");
2485 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2486 param_write_string(pb, "FourCC", "WMAP");
2488 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2489 track->enc->extradata_size);
2490 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2491 track->enc->codec_id));
2492 param_write_int(pb, "Channels", track->enc->channels);
2493 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2494 param_write_int(pb, "BitsPerSample", 16);
2495 param_write_int(pb, "PacketSize", track->enc->block_align ?
2496 track->enc->block_align : 4);
2498 avio_printf(pb, "</%s>\n", type);
2500 avio_printf(pb, "</switch>\n");
2501 avio_printf(pb, "</body>\n");
2502 avio_printf(pb, "</smil>\n");
2504 return update_size(pb, pos);
2507 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2510 ffio_wfourcc(pb, "mfhd");
2512 avio_wb32(pb, mov->fragments);
2516 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2517 int64_t moof_offset)
2519 int64_t pos = avio_tell(pb);
2520 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2521 MOV_TFHD_BASE_DATA_OFFSET;
2522 if (!track->entry) {
2523 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2525 flags |= MOV_TFHD_DEFAULT_FLAGS;
2528 /* Don't set a default sample size, the silverlight player refuses
2529 * to play files with that set. Don't set a default sample duration,
2530 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2531 * file format says it MUST NOT be set. */
2532 if (track->mode == MODE_ISM)
2533 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2534 MOV_TFHD_BASE_DATA_OFFSET);
2536 avio_wb32(pb, 0); /* size placeholder */
2537 ffio_wfourcc(pb, "tfhd");
2538 avio_w8(pb, 0); /* version */
2539 avio_wb24(pb, flags);
2541 avio_wb32(pb, track->track_id); /* track-id */
2542 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2543 avio_wb64(pb, moof_offset);
2544 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2545 track->default_duration = get_cluster_duration(track, 0);
2546 avio_wb32(pb, track->default_duration);
2548 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2549 track->default_size = track->entry ? track->cluster[0].size : 1;
2550 avio_wb32(pb, track->default_size);
2552 track->default_size = -1;
2554 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2555 track->default_sample_flags =
2556 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2557 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2558 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2559 avio_wb32(pb, track->default_sample_flags);
2562 return update_size(pb, pos);
2565 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2567 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2568 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2571 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2573 int64_t pos = avio_tell(pb);
2574 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2577 for (i = 0; i < track->entry; i++) {
2578 if (get_cluster_duration(track, i) != track->default_duration)
2579 flags |= MOV_TRUN_SAMPLE_DURATION;
2580 if (track->cluster[i].size != track->default_size)
2581 flags |= MOV_TRUN_SAMPLE_SIZE;
2582 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2583 flags |= MOV_TRUN_SAMPLE_FLAGS;
2585 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2586 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2587 if (track->flags & MOV_TRACK_CTTS)
2588 flags |= MOV_TRUN_SAMPLE_CTS;
2590 avio_wb32(pb, 0); /* size placeholder */
2591 ffio_wfourcc(pb, "trun");
2592 avio_w8(pb, 0); /* version */
2593 avio_wb24(pb, flags);
2595 avio_wb32(pb, track->entry); /* sample count */
2596 track->moof_size_offset = avio_tell(pb);
2597 avio_wb32(pb, 0); /* data offset */
2598 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2599 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2601 for (i = 0; i < track->entry; i++) {
2602 if (flags & MOV_TRUN_SAMPLE_DURATION)
2603 avio_wb32(pb, get_cluster_duration(track, i));
2604 if (flags & MOV_TRUN_SAMPLE_SIZE)
2605 avio_wb32(pb, track->cluster[i].size);
2606 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2607 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2608 if (flags & MOV_TRUN_SAMPLE_CTS)
2609 avio_wb32(pb, track->cluster[i].cts);
2612 return update_size(pb, pos);
2615 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2617 int64_t pos = avio_tell(pb);
2618 static const uint8_t uuid[] = {
2619 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2620 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2623 avio_wb32(pb, 0); /* size placeholder */
2624 ffio_wfourcc(pb, "uuid");
2625 avio_write(pb, uuid, sizeof(uuid));
2628 avio_wb64(pb, track->frag_start);
2629 avio_wb64(pb, track->start_dts + track->track_duration -
2630 track->cluster[0].dts);
2632 return update_size(pb, pos);
2635 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2636 MOVTrack *track, int entry)
2638 int n = track->nb_frag_info - 1 - entry, i;
2639 int size = 8 + 16 + 4 + 1 + 16*n;
2640 static const uint8_t uuid[] = {
2641 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2642 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2648 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2649 avio_wb32(pb, size);
2650 ffio_wfourcc(pb, "uuid");
2651 avio_write(pb, uuid, sizeof(uuid));
2655 for (i = 0; i < n; i++) {
2656 int index = entry + 1 + i;
2657 avio_wb64(pb, track->frag_info[index].time);
2658 avio_wb64(pb, track->frag_info[index].duration);
2660 if (n < mov->ism_lookahead) {
2661 int free_size = 16 * (mov->ism_lookahead - n);
2662 avio_wb32(pb, free_size);
2663 ffio_wfourcc(pb, "free");
2664 ffio_fill(pb, 0, free_size - 8);
2670 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2673 int64_t pos = avio_tell(pb);
2675 for (i = 0; i < mov->ism_lookahead; i++) {
2676 /* Update the tfrf tag for the last ism_lookahead fragments,
2677 * nb_frag_info - 1 is the next fragment to be written. */
2678 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2680 avio_seek(pb, pos, SEEK_SET);
2684 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2685 MOVTrack *track, int64_t moof_offset)
2687 int64_t pos = avio_tell(pb);
2688 avio_wb32(pb, 0); /* size placeholder */
2689 ffio_wfourcc(pb, "traf");
2691 mov_write_tfhd_tag(pb, track, moof_offset);
2692 mov_write_trun_tag(pb, track);
2693 if (mov->mode == MODE_ISM) {
2694 mov_write_tfxd_tag(pb, track);
2696 if (mov->ism_lookahead) {
2697 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2699 track->tfrf_offset = avio_tell(pb);
2700 avio_wb32(pb, 8 + size);
2701 ffio_wfourcc(pb, "free");
2702 for (i = 0; i < size; i++)
2707 return update_size(pb, pos);
2710 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2712 int64_t pos = avio_tell(pb), end;
2715 avio_wb32(pb, 0); /* size placeholder */
2716 ffio_wfourcc(pb, "moof");
2718 mov_write_mfhd_tag(pb, mov);
2719 for (i = 0; i < mov->nb_streams; i++) {
2720 MOVTrack *track = &mov->tracks[i];
2721 if (tracks >= 0 && i != tracks)
2725 mov_write_traf_tag(pb, mov, track, pos);
2728 end = avio_tell(pb);
2729 moof_size = end - pos;
2730 for (i = 0; i < mov->nb_streams; i++) {
2731 MOVTrack *track = &mov->tracks[i];
2732 if (tracks >= 0 && i != tracks)
2736 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2737 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2739 avio_seek(pb, end, SEEK_SET);
2741 return update_size(pb, pos);
2744 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2746 int64_t pos = avio_tell(pb);
2749 avio_wb32(pb, 0); /* size placeholder */
2750 ffio_wfourcc(pb, "tfra");
2751 avio_w8(pb, 1); /* version */
2754 avio_wb32(pb, track->track_id);
2755 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2756 avio_wb32(pb, track->nb_frag_info);
2757 for (i = 0; i < track->nb_frag_info; i++) {
2758 avio_wb64(pb, track->frag_info[i].time);
2759 avio_wb64(pb, track->frag_info[i].offset);
2760 avio_w8(pb, 1); /* traf number */
2761 avio_w8(pb, 1); /* trun number */
2762 avio_w8(pb, 1); /* sample number */
2765 return update_size(pb, pos);
2768 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2770 int64_t pos = avio_tell(pb);
2773 avio_wb32(pb, 0); /* size placeholder */
2774 ffio_wfourcc(pb, "mfra");
2775 /* An empty mfra atom is enough to indicate to the publishing point that
2776 * the stream has ended. */
2777 if (mov->flags & FF_MOV_FLAG_ISML)
2778 return update_size(pb, pos);
2780 for (i = 0; i < mov->nb_streams; i++) {
2781 MOVTrack *track = &mov->tracks[i];
2782 if (track->nb_frag_info)
2783 mov_write_tfra_tag(pb, track);
2787 ffio_wfourcc(pb, "mfro");
2788 avio_wb32(pb, 0); /* version + flags */
2789 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2791 return update_size(pb, pos);
2794 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2796 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2797 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2799 mov->mdat_pos = avio_tell(pb);
2800 avio_wb32(pb, 0); /* size placeholder*/
2801 ffio_wfourcc(pb, "mdat");
2805 /* TODO: This needs to be more general */
2806 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2808 MOVMuxContext *mov = s->priv_data;
2809 int64_t pos = avio_tell(pb);
2810 int has_h264 = 0, has_video = 0;
2814 for (i = 0; i < s->nb_streams; i++) {
2815 AVStream *st = s->streams[i];
2816 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2818 if (st->codec->codec_id == AV_CODEC_ID_H264)
2822 avio_wb32(pb, 0); /* size */
2823 ffio_wfourcc(pb, "ftyp");
2825 if (mov->mode == MODE_3GP) {
2826 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2827 minor = has_h264 ? 0x100 : 0x200;
2828 } else if (mov->mode & MODE_3G2) {
2829 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2830 minor = has_h264 ? 0x20000 : 0x10000;
2831 } else if (mov->mode == MODE_PSP)
2832 ffio_wfourcc(pb, "MSNV");
2833 else if (mov->mode == MODE_MP4)
2834 ffio_wfourcc(pb, "isom");
2835 else if (mov->mode == MODE_IPOD)
2836 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2837 else if (mov->mode == MODE_ISM)
2838 ffio_wfourcc(pb, "isml");
2839 else if (mov->mode == MODE_F4V)
2840 ffio_wfourcc(pb, "f4v ");
2842 ffio_wfourcc(pb, "qt ");
2844 avio_wb32(pb, minor);
2846 if (mov->mode == MODE_MOV)
2847 ffio_wfourcc(pb, "qt ");
2848 else if (mov->mode == MODE_ISM) {
2849 ffio_wfourcc(pb, "piff");
2850 ffio_wfourcc(pb, "iso2");
2852 ffio_wfourcc(pb, "isom");
2853 ffio_wfourcc(pb, "iso2");
2855 ffio_wfourcc(pb, "avc1");
2858 if (mov->mode == MODE_3GP)
2859 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2860 else if (mov->mode & MODE_3G2)
2861 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2862 else if (mov->mode == MODE_PSP)
2863 ffio_wfourcc(pb, "MSNV");
2864 else if (mov->mode == MODE_MP4)
2865 ffio_wfourcc(pb, "mp41");
2866 return update_size(pb, pos);
2869 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2871 AVCodecContext *video_codec = s->streams[0]->codec;
2872 AVCodecContext *audio_codec = s->streams[1]->codec;
2873 int audio_rate = audio_codec->sample_rate;
2874 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2875 int audio_kbitrate = audio_codec->bit_rate / 1000;
2876 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2878 avio_wb32(pb, 0x94); /* size */
2879 ffio_wfourcc(pb, "uuid");
2880 ffio_wfourcc(pb, "PROF");
2882 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2883 avio_wb32(pb, 0xbb88695c);
2884 avio_wb32(pb, 0xfac9c740);
2886 avio_wb32(pb, 0x0); /* ? */
2887 avio_wb32(pb, 0x3); /* 3 sections ? */
2889 avio_wb32(pb, 0x14); /* size */
2890 ffio_wfourcc(pb, "FPRF");
2891 avio_wb32(pb, 0x0); /* ? */
2892 avio_wb32(pb, 0x0); /* ? */
2893 avio_wb32(pb, 0x0); /* ? */
2895 avio_wb32(pb, 0x2c); /* size */
2896 ffio_wfourcc(pb, "APRF"); /* audio */
2898 avio_wb32(pb, 0x2); /* TrackID */
2899 ffio_wfourcc(pb, "mp4a");
2900 avio_wb32(pb, 0x20f);
2902 avio_wb32(pb, audio_kbitrate);
2903 avio_wb32(pb, audio_kbitrate);
2904 avio_wb32(pb, audio_rate);
2905 avio_wb32(pb, audio_codec->channels);
2907 avio_wb32(pb, 0x34); /* size */
2908 ffio_wfourcc(pb, "VPRF"); /* video */
2910 avio_wb32(pb, 0x1); /* TrackID */
2911 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2912 ffio_wfourcc(pb, "avc1");
2913 avio_wb16(pb, 0x014D);
2914 avio_wb16(pb, 0x0015);
2916 ffio_wfourcc(pb, "mp4v");
2917 avio_wb16(pb, 0x0000);
2918 avio_wb16(pb, 0x0103);
2921 avio_wb32(pb, video_kbitrate);
2922 avio_wb32(pb, video_kbitrate);
2923 avio_wb32(pb, frame_rate);
2924 avio_wb32(pb, frame_rate);
2925 avio_wb16(pb, video_codec->width);
2926 avio_wb16(pb, video_codec->height);
2927 avio_wb32(pb, 0x010001); /* ? */
2930 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2933 int i, closed_gop = 0;
2935 for (i = 0; i < pkt->size - 4; i++) {
2936 c = (c << 8) + pkt->data[i];
2937 if (c == 0x1b8) { // gop
2938 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2939 } else if (c == 0x100) { // pic
2940 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
2941 if (!temp_ref || closed_gop) // I picture is not reordered
2942 *flags = MOV_SYNC_SAMPLE;
2944 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2951 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2953 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2954 int seq = 0, entry = 0;
2955 int key = pkt->flags & AV_PKT_FLAG_KEY;
2956 start = find_next_marker(pkt->data, end);
2957 for (next = start; next < end; start = next) {
2958 next = find_next_marker(start + 4, end);
2959 switch (AV_RB32(start)) {
2960 case VC1_CODE_SEQHDR:
2963 case VC1_CODE_ENTRYPOINT:
2966 case VC1_CODE_SLICE:
2967 trk->vc1_info.slices = 1;
2971 if (!trk->entry && !fragment) {
2972 /* First packet in first fragment */
2973 trk->vc1_info.first_packet_seq = seq;
2974 trk->vc1_info.first_packet_entry = entry;
2975 } else if ((seq && !trk->vc1_info.packet_seq) ||
2976 (entry && !trk->vc1_info.packet_entry)) {
2978 for (i = 0; i < trk->entry; i++)
2979 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2980 trk->has_keyframes = 0;
2982 trk->vc1_info.packet_seq = 1;
2984 trk->vc1_info.packet_entry = 1;
2986 /* First fragment */
2987 if ((!seq || trk->vc1_info.first_packet_seq) &&
2988 (!entry || trk->vc1_info.first_packet_entry)) {
2989 /* First packet had the same headers as this one, readd the
2990 * sync sample flag. */
2991 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2992 trk->has_keyframes = 1;
2996 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2998 else if (trk->vc1_info.packet_seq)
3000 else if (trk->vc1_info.packet_entry)
3003 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3004 trk->has_keyframes++;
3008 static int mov_flush_fragment(AVFormatContext *s)
3010 MOVMuxContext *mov = s->priv_data;
3011 int i, first_track = -1;
3012 int64_t mdat_size = 0;
3014 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3017 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3018 int64_t pos = avio_tell(s->pb);
3020 int buf_size, moov_size;
3022 for (i = 0; i < mov->nb_streams; i++)
3023 if (!mov->tracks[i].entry)
3025 /* Don't write the initial moov unless all tracks have data */
3026 if (i < mov->nb_streams)
3029 moov_size = get_moov_size(s);
3030 for (i = 0; i < mov->nb_streams; i++)
3031 mov->tracks[i].data_offset = pos + moov_size + 8;
3033 mov_write_moov_tag(s->pb, mov, s);
3035 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3036 mov->mdat_buf = NULL;
3037 avio_wb32(s->pb, buf_size + 8);
3038 ffio_wfourcc(s->pb, "mdat");
3039 avio_write(s->pb, buf, buf_size);
3044 for (i = 0; i < mov->nb_streams; i++) {
3045 if (mov->tracks[i].entry)
3046 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3047 mov->tracks[i].track_duration -
3048 mov->tracks[i].cluster[0].dts;
3049 mov->tracks[i].entry = 0;
3055 for (i = 0; i < mov->nb_streams; i++) {
3056 MOVTrack *track = &mov->tracks[i];
3057 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3058 track->data_offset = 0;
3060 track->data_offset = mdat_size;
3061 if (!track->mdat_buf)
3063 mdat_size += avio_tell(track->mdat_buf);
3064 if (first_track < 0)
3071 for (i = 0; i < mov->nb_streams; i++) {
3072 MOVTrack *track = &mov->tracks[i];
3073 int buf_size, write_moof = 1, moof_tracks = -1;
3075 int64_t duration = 0;
3078 duration = track->start_dts + track->track_duration -
3079 track->cluster[0].dts;
3080 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3081 if (!track->mdat_buf)
3083 mdat_size = avio_tell(track->mdat_buf);
3086 write_moof = i == first_track;
3090 MOVFragmentInfo *info;
3092 track->nb_frag_info++;
3093 if (track->nb_frag_info >= track->frag_info_capacity) {
3094 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3095 if (av_reallocp_array(&track->frag_info,
3097 sizeof(*track->frag_info)))
3098 return AVERROR(ENOMEM);
3099 track->frag_info_capacity = new_capacity;
3101 info = &track->frag_info[track->nb_frag_info - 1];
3102 info->offset = avio_tell(s->pb);
3103 info->time = mov->tracks[i].frag_start;
3104 info->duration = duration;
3105 mov_write_tfrf_tags(s->pb, mov, track);
3107 mov_write_moof_tag(s->pb, mov, moof_tracks);
3108 info->tfrf_offset = track->tfrf_offset;
3111 avio_wb32(s->pb, mdat_size + 8);
3112 ffio_wfourcc(s->pb, "mdat");
3116 track->frag_start += duration;
3118 if (!track->mdat_buf)
3120 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3121 track->mdat_buf = NULL;
3123 avio_write(s->pb, buf, buf_size);
3133 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3135 MOVMuxContext *mov = s->priv_data;
3136 AVIOContext *pb = s->pb;
3137 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3138 AVCodecContext *enc = trk->enc;
3139 unsigned int samples_in_chunk = 0;
3140 int size = pkt->size;
3141 uint8_t *reformatted_data = NULL;
3143 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3145 if (mov->fragments > 0) {
3146 if (!trk->mdat_buf) {
3147 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3152 if (!mov->mdat_buf) {
3153 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3160 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3161 /* We must find out how many AMR blocks there are in one packet */
3162 static uint16_t packed_size[16] =
3163 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3166 while (len < size && samples_in_chunk < 100) {
3167 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3170 if (samples_in_chunk > 1) {
3171 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3174 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3175 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3176 samples_in_chunk = enc->frame_size;
3177 } else if (trk->sample_size)
3178 samples_in_chunk = size / trk->sample_size;
3180 samples_in_chunk = 1;
3182 /* copy extradata if it exists */
3183 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3184 trk->vos_len = enc->extradata_size;
3185 trk->vos_data = av_malloc(trk->vos_len);
3186 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3189 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3190 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3191 if (!s->streams[pkt->stream_index]->nb_frames) {
3192 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3193 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3194 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3197 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3199 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3200 /* from x264 or from bytestream h264 */
3201 /* nal reformating needed */
3202 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3203 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3205 avio_write(pb, reformatted_data, size);
3207 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3210 avio_write(pb, pkt->data, size);
3213 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3214 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3215 /* copy frame to create needed atoms */
3216 trk->vos_len = size;
3217 trk->vos_data = av_malloc(size);
3219 return AVERROR(ENOMEM);
3220 memcpy(trk->vos_data, pkt->data, size);
3223 if (trk->entry >= trk->cluster_capacity) {
3224 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3225 if (av_reallocp_array(&trk->cluster, new_capacity,
3226 sizeof(*trk->cluster)))
3227 return AVERROR(ENOMEM);
3228 trk->cluster_capacity = new_capacity;
3231 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3232 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3233 trk->cluster[trk->entry].chunkNum = 0;
3234 trk->cluster[trk->entry].size = size;
3235 trk->cluster[trk->entry].entries = samples_in_chunk;
3236 trk->cluster[trk->entry].dts = pkt->dts;
3237 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3238 /* First packet of a new fragment. We already wrote the duration
3239 * of the last packet of the previous fragment based on track_duration,
3240 * which might not exactly match our dts. Therefore adjust the dts
3241 * of this packet to be what the previous packets duration implies. */
3242 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3244 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3245 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3247 if (trk->start_dts == AV_NOPTS_VALUE)
3248 trk->start_dts = pkt->dts;
3249 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3250 trk->last_sample_is_subtitle_end = 0;
3252 if (pkt->pts == AV_NOPTS_VALUE) {
3253 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3254 pkt->pts = pkt->dts;
3256 if (pkt->dts != pkt->pts)
3257 trk->flags |= MOV_TRACK_CTTS;
3258 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3259 trk->cluster[trk->entry].flags = 0;
3260 if (enc->codec_id == AV_CODEC_ID_VC1) {
3261 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3262 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3263 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3264 trk->entry > 0) { // force sync sample for the first key frame
3265 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3266 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3267 trk->flags |= MOV_TRACK_STPS;
3269 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3271 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3272 trk->has_keyframes++;
3275 trk->sample_count += samples_in_chunk;
3276 mov->mdat_size += size;
3280 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3281 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3282 reformatted_data, size);
3283 av_free(reformatted_data);
3287 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3289 MOVMuxContext *mov = s->priv_data;
3290 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3291 AVCodecContext *enc = trk->enc;
3292 int64_t frag_duration = 0;
3293 int size = pkt->size;
3296 return 0; /* Discard 0 sized packets */
3298 if (trk->entry && pkt->stream_index < s->nb_streams)
3299 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3300 s->streams[pkt->stream_index]->time_base,
3302 if ((mov->max_fragment_duration &&
3303 frag_duration >= mov->max_fragment_duration) ||
3304 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3305 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3306 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3307 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3308 if (frag_duration >= mov->min_fragment_duration)
3309 mov_flush_fragment(s);
3312 return ff_mov_write_packet(s, pkt);
3315 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3319 uint8_t data[2] = {0};
3322 av_init_packet(&end);
3323 end.size = sizeof(data);
3328 end.stream_index = stream_index;
3330 ret = mov_write_single_packet(s, &end);
3331 av_free_packet(&end);
3336 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3339 mov_flush_fragment(s);
3343 MOVMuxContext *mov = s->priv_data;
3345 if (!pkt->size) return 0; /* Discard 0 sized packets */
3348 * Subtitles require special handling.
3350 * 1) For full complaince, every track must have a sample at
3351 * dts == 0, which is rarely true for subtitles. So, as soon
3352 * as we see any packet with dts > 0, write an empty subtitle
3353 * at dts == 0 for any subtitle track with no samples in it.
3355 * 2) For each subtitle track, check if the current packet's
3356 * dts is past the duration of the last subtitle sample. If
3357 * so, we now need to write an end sample for that subtitle.
3359 * This must be done conditionally to allow for subtitles that
3360 * immediately replace each other, in which case an end sample
3361 * is not needed, and is, in fact, actively harmful.
3363 * 3) See mov_write_trailer for how the final end sample is
3366 for (i = 0; i < mov->nb_streams; i++) {
3367 MOVTrack *trk = &mov->tracks[i];
3370 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3371 trk->track_duration < pkt->dts &&
3372 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3373 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3374 if (ret < 0) return ret;
3375 trk->last_sample_is_subtitle_end = 1;
3379 return mov_write_single_packet(s, pkt);
3383 // QuickTime chapters involve an additional text track with the chapter names
3384 // as samples, and a tref pointing from the other tracks to the chapter one.
3385 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3389 MOVMuxContext *mov = s->priv_data;
3390 MOVTrack *track = &mov->tracks[tracknum];
3391 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3393 // These properties are required to make QT recognize the chapter track
3394 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3396 track->mode = mov->mode;
3397 track->tag = MKTAG('t','e','x','t');
3398 track->timescale = MOV_TIMESCALE;
3399 track->enc = avcodec_alloc_context3(NULL);
3400 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3402 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3403 if (track->enc->extradata == NULL)
3404 return AVERROR(ENOMEM);
3405 track->enc->extradata_size = sizeof(chapter_properties);
3406 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3408 if (avio_open_dyn_buf(&pb) >= 0) {
3412 /* Stub header (usually for Quicktime chapter track) */
3414 avio_wb32(pb, 0x01); // displayFlags
3415 avio_w8(pb, 0x00); // horizontal justification
3416 avio_w8(pb, 0x00); // vertical justification
3417 avio_w8(pb, 0x00); // bgColourRed
3418 avio_w8(pb, 0x00); // bgColourGreen
3419 avio_w8(pb, 0x00); // bgColourBlue
3420 avio_w8(pb, 0x00); // bgColourAlpha
3422 avio_wb16(pb, 0x00); // defTextBoxTop
3423 avio_wb16(pb, 0x00); // defTextBoxLeft
3424 avio_wb16(pb, 0x00); // defTextBoxBottom
3425 avio_wb16(pb, 0x00); // defTextBoxRight
3427 avio_wb16(pb, 0x00); // startChar
3428 avio_wb16(pb, 0x00); // endChar
3429 avio_wb16(pb, 0x01); // fontID
3430 avio_w8(pb, 0x00); // fontStyleFlags
3431 avio_w8(pb, 0x00); // fontSize
3432 avio_w8(pb, 0x00); // fgColourRed
3433 avio_w8(pb, 0x00); // fgColourGreen
3434 avio_w8(pb, 0x00); // fgColourBlue
3435 avio_w8(pb, 0x00); // fgColourAlpha
3437 avio_wb32(pb, 0x0D); // box size
3438 ffio_wfourcc(pb, "ftab"); // box atom name
3439 avio_wb16(pb, 0x01); // entry count
3441 avio_wb16(pb, 0x01); // font ID
3442 avio_w8(pb, 0x00); // font name length
3444 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3445 track->enc->extradata = buf;
3446 track->enc->extradata_size = size;
3453 for (i = 0; i < s->nb_chapters; i++) {
3454 AVChapter *c = s->chapters[i];
3455 AVDictionaryEntry *t;
3457 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3458 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3459 pkt.duration = end - pkt.dts;
3461 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3462 len = strlen(t->value);
3464 pkt.data = av_malloc(pkt.size);
3465 AV_WB16(pkt.data, len);
3466 memcpy(pkt.data + 2, t->value, len);
3467 ff_mov_write_packet(s, &pkt);
3468 av_freep(&pkt.data);
3475 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3478 MOVMuxContext *mov = s->priv_data;
3479 MOVTrack *track = &mov->tracks[index];
3480 AVStream *src_st = s->streams[src_index];
3482 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3483 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3485 /* if the codec time base makes no sense, try to fallback on stream frame rate */
3486 if (av_timecode_check_frame_rate(rate) < 0) {
3487 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3488 rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3489 rate = src_st->avg_frame_rate;
3492 /* compute the frame number */
3493 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3497 /* tmcd track based on video stream */
3498 track->mode = mov->mode;
3499 track->tag = MKTAG('t','m','c','d');
3500 track->src_track = src_index;
3501 track->timescale = mov->tracks[src_index].timescale;
3502 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3503 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3505 /* encode context: tmcd data stream */
3506 track->enc = avcodec_alloc_context3(NULL);
3507 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3508 track->enc->codec_tag = track->tag;
3509 track->enc->time_base = src_st->codec->time_base;
3511 /* the tmcd track just contains one packet with the frame number */
3512 pkt.data = av_malloc(pkt.size);
3513 AV_WB32(pkt.data, tc.start);
3514 ret = ff_mov_write_packet(s, &pkt);
3519 static int mov_write_header(AVFormatContext *s)
3521 AVIOContext *pb = s->pb;
3522 MOVMuxContext *mov = s->priv_data;
3523 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3524 int i, hint_track = 0, tmcd_track = 0;
3526 /* Set the FRAGMENT flag if any of the fragmentation methods are
3528 if (mov->max_fragment_duration || mov->max_fragment_size ||
3529 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3530 FF_MOV_FLAG_FRAG_KEYFRAME |
3531 FF_MOV_FLAG_FRAG_CUSTOM))
3532 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3534 /* faststart: moov at the beginning of the file, if supported */
3535 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3536 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3537 (s->flags & AVFMT_FLAG_CUSTOM_IO))
3538 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3540 mov->reserved_moov_size = -1;
3543 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3544 s->avoid_negative_ts = 1;
3547 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3548 * is enabled, we don't support non-seekable output at all. */
3549 if (!s->pb->seekable &&
3550 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3551 strcmp(s->oformat->name, "ismv"))
3552 || mov->ism_lookahead)) {
3553 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3557 /* Default mode == MP4 */
3558 mov->mode = MODE_MP4;
3560 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3561 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3562 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3563 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3564 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3565 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3566 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3568 mov_write_ftyp_tag(pb,s);
3569 if (mov->mode == MODE_PSP) {
3570 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3571 for (i = 0; i < s->nb_streams; i++) {
3572 AVStream *st = s->streams[i];
3573 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3575 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3581 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3582 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3585 mov_write_uuidprof_tag(pb, s);
3588 mov->nb_streams = s->nb_streams;
3589 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3590 mov->chapter_track = mov->nb_streams++;
3592 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3593 /* Add hint tracks for each audio and video stream */
3594 hint_track = mov->nb_streams;
3595 for (i = 0; i < s->nb_streams; i++) {
3596 AVStream *st = s->streams[i];
3597 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3598 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3604 if (mov->mode == MODE_MOV) {
3605 tmcd_track = mov->nb_streams;
3607 /* +1 tmcd track for each video stream with a timecode */
3608 for (i = 0; i < s->nb_streams; i++) {
3609 AVStream *st = s->streams[i];
3610 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3611 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3612 mov->nb_meta_tmcd++;
3615 /* check if there is already a tmcd track to remux */
3616 if (mov->nb_meta_tmcd) {
3617 for (i = 0; i < s->nb_streams; i++) {
3618 AVStream *st = s->streams[i];
3619 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3620 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3621 "so timecode metadata are now ignored\n");
3622 mov->nb_meta_tmcd = 0;
3627 mov->nb_streams += mov->nb_meta_tmcd;
3630 // Reserve an extra stream for chapters for the case where chapters
3631 // are written in the trailer
3632 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3634 return AVERROR(ENOMEM);
3636 for (i = 0; i < s->nb_streams; i++) {
3637 AVStream *st= s->streams[i];
3638 MOVTrack *track= &mov->tracks[i];
3639 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3641 track->enc = st->codec;
3642 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3643 if (track->language < 0)
3644 track->language = 0;
3645 track->mode = mov->mode;
3646 track->tag = mov_find_codec_tag(s, track);
3648 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3649 "codec not currently supported in container\n", i);
3652 /* If hinting of this track is enabled by a later hint track,
3653 * this is updated. */
3654 track->hint_track = -1;
3655 track->start_dts = AV_NOPTS_VALUE;
3656 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3657 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3658 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3659 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3660 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3661 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3664 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3666 if (mov->video_track_timescale) {
3667 track->timescale = mov->video_track_timescale;
3669 track->timescale = st->codec->time_base.den;
3670 while(track->timescale < 10000)
3671 track->timescale *= 2;
3673 if (track->mode == MODE_MOV && track->timescale > 100000)
3674 av_log(s, AV_LOG_WARNING,
3675 "WARNING codec timebase is very high. If duration is too long,\n"
3676 "file may not be playable by quicktime. Specify a shorter timebase\n"
3677 "or choose different container.\n");
3678 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3679 track->timescale = st->codec->sample_rate;
3680 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3681 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3682 track->audio_vbr = 1;
3683 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3684 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3685 st->codec->codec_id == AV_CODEC_ID_ILBC){
3686 if (!st->codec->block_align) {
3687 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3690 track->sample_size = st->codec->block_align;
3691 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3692 track->audio_vbr = 1;
3694 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3696 if (st->codec->codec_id == AV_CODEC_ID_ILBC) {
3697 track->audio_vbr = 1;
3699 if (track->mode != MODE_MOV &&
3700 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3701 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3702 i, track->enc->sample_rate);
3705 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3706 track->timescale = st->codec->time_base.den;
3707 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3708 track->timescale = st->codec->time_base.den;
3710 track->timescale = MOV_TIMESCALE;
3713 track->height = st->codec->height;
3714 /* The ism specific timescale isn't mandatory, but is assumed by
3715 * some tools, such as mp4split. */
3716 if (mov->mode == MODE_ISM)
3717 track->timescale = 10000000;
3719 avpriv_set_pts_info(st, 64, 1, track->timescale);
3721 /* copy extradata if it exists */
3722 if (st->codec->extradata_size) {
3723 track->vos_len = st->codec->extradata_size;
3724 track->vos_data = av_malloc(track->vos_len);
3725 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3729 if (mov->mode == MODE_ISM) {
3730 /* If no fragmentation options have been set, set a default. */
3731 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3732 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3733 !mov->max_fragment_duration && !mov->max_fragment_size)
3734 mov->max_fragment_duration = 5000000;
3735 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3736 FF_MOV_FLAG_FRAGMENT;
3739 if (mov->reserved_moov_size){
3740 mov->reserved_moov_pos= avio_tell(pb);
3741 if (mov->reserved_moov_size > 0)
3742 avio_skip(pb, mov->reserved_moov_size);
3745 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3746 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3747 mov->reserved_moov_pos = avio_tell(pb);
3748 mov_write_mdat_tag(pb, mov);
3751 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3752 mov->time = ff_iso8601_to_unix_time(t->value);
3754 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3756 if (mov->chapter_track)
3757 mov_create_chapter_track(s, mov->chapter_track);
3759 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3760 /* Initialize the hint tracks for each audio and video stream */
3761 for (i = 0; i < s->nb_streams; i++) {
3762 AVStream *st = s->streams[i];
3763 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3764 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3765 if (ff_mov_init_hinting(s, hint_track, i) < 0)
3772 if (mov->nb_meta_tmcd) {
3773 /* Initialize the tmcd tracks */
3774 for (i = 0; i < s->nb_streams; i++) {
3775 AVStream *st = s->streams[i];
3778 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3780 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3783 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3792 if (mov->flags & FF_MOV_FLAG_ISML)
3793 mov_write_isml_manifest(pb, mov);
3795 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3796 mov_write_moov_tag(pb, mov, s);
3802 av_freep(&mov->tracks);
3806 static int get_moov_size(AVFormatContext *s)
3810 AVIOContext *moov_buf;
3811 MOVMuxContext *mov = s->priv_data;
3813 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
3815 mov_write_moov_tag(moov_buf, mov, s);
3816 ret = avio_close_dyn_buf(moov_buf, &buf);
3822 * This function gets the moov size if moved to the top of the file: the chunk
3823 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3824 * entries) when the moov is moved to the beginning, so the size of the moov
3825 * would change. It also updates the chunk offset tables.
3827 static int compute_moov_size(AVFormatContext *s)
3829 int i, moov_size, moov_size2;
3830 MOVMuxContext *mov = s->priv_data;
3832 moov_size = get_moov_size(s);
3836 for (i = 0; i < mov->nb_streams; i++)
3837 mov->tracks[i].data_offset += moov_size;
3839 moov_size2 = get_moov_size(s);
3843 /* if the size changed, we just switched from stco to co64 and need to
3844 * update the offsets */
3845 if (moov_size2 != moov_size)
3846 for (i = 0; i < mov->nb_streams; i++)
3847 mov->tracks[i].data_offset += moov_size2 - moov_size;
3852 static int shift_data(AVFormatContext *s)
3854 int ret = 0, moov_size;
3855 MOVMuxContext *mov = s->priv_data;
3856 int64_t pos, pos_end = avio_tell(s->pb);
3857 uint8_t *buf, *read_buf[2];
3858 int read_buf_id = 0;
3860 AVIOContext *read_pb;
3862 moov_size = compute_moov_size(s);
3866 buf = av_malloc(moov_size * 2);
3868 return AVERROR(ENOMEM);
3870 read_buf[1] = buf + moov_size;
3872 /* Shift the data: the AVIO context of the output can only be used for
3873 * writing, so we re-open the same output, but for reading. It also avoids
3874 * a read/seek/write/seek back and forth. */
3876 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3878 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3879 "the second pass (faststart)\n", s->filename);
3883 /* mark the end of the shift to up to the last data we wrote, and get ready
3885 pos_end = avio_tell(s->pb);
3886 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3888 /* start reading at where the new moov will be placed */
3889 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3890 pos = avio_tell(read_pb);
3892 #define READ_BLOCK do { \
3893 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3897 /* shift data by chunk of at most moov_size */
3902 n = read_size[read_buf_id];
3905 avio_write(s->pb, read_buf[read_buf_id], n);
3907 } while (pos < pos_end);
3908 avio_close(read_pb);
3915 static int mov_write_trailer(AVFormatContext *s)
3917 MOVMuxContext *mov = s->priv_data;
3918 AVIOContext *pb = s->pb;
3924 * Before actually writing the trailer, make sure that there are no
3925 * dangling subtitles, that need a terminating sample.
3927 for (i = 0; i < mov->nb_streams; i++) {
3928 MOVTrack *trk = &mov->tracks[i];
3929 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3930 !trk->last_sample_is_subtitle_end) {
3931 mov_write_subtitle_end_packet(s, i, trk->track_duration);
3932 trk->last_sample_is_subtitle_end = 1;
3936 // If there were no chapters when the header was written, but there
3937 // are chapters now, write them in the trailer. This only works
3938 // when we are not doing fragments.
3939 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3940 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
3941 mov->chapter_track = mov->nb_streams++;
3942 mov_create_chapter_track(s, mov->chapter_track);
3946 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3947 moov_pos = avio_tell(pb);
3949 /* Write size of mdat tag */
3950 if (mov->mdat_size + 8 <= UINT32_MAX) {
3951 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3952 avio_wb32(pb, mov->mdat_size + 8);
3954 /* overwrite 'wide' placeholder atom */
3955 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3956 /* special value: real atom size will be 64 bit value after
3959 ffio_wfourcc(pb, "mdat");
3960 avio_wb64(pb, mov->mdat_size + 16);
3962 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3964 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3965 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
3966 res = shift_data(s);
3968 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3969 mov_write_moov_tag(pb, mov, s);
3971 } else if (mov->reserved_moov_size > 0) {
3973 mov_write_moov_tag(pb, mov, s);
3974 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3976 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3979 avio_wb32(pb, size);
3980 ffio_wfourcc(pb, "free");
3981 for (i = 0; i < size; i++)
3983 avio_seek(pb, moov_pos, SEEK_SET);
3985 mov_write_moov_tag(pb, mov, s);
3988 mov_flush_fragment(s);
3989 mov_write_mfra_tag(pb, mov);
3992 if (mov->chapter_track) {
3993 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3994 av_freep(&mov->tracks[mov->chapter_track].enc);
3997 for (i = 0; i < mov->nb_streams; i++) {
3998 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3999 ff_mov_close_hinting(&mov->tracks[i]);
4000 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4001 av_freep(&mov->tracks[i].enc);
4002 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4003 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4004 int64_t off = avio_tell(pb);
4006 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4007 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4008 avio_write(pb, buf, 7);
4009 avio_seek(pb, off, SEEK_SET);
4012 av_freep(&mov->tracks[i].cluster);
4013 av_freep(&mov->tracks[i].frag_info);
4015 if (mov->tracks[i].vos_len)
4016 av_free(mov->tracks[i].vos_data);
4019 av_freep(&mov->tracks);
4024 #if CONFIG_MOV_MUXER
4026 AVOutputFormat ff_mov_muxer = {
4028 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4029 .extensions = "mov",
4030 .priv_data_size = sizeof(MOVMuxContext),
4031 .audio_codec = AV_CODEC_ID_AAC,
4032 .video_codec = CONFIG_LIBX264_ENCODER ?
4033 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4034 .write_header = mov_write_header,
4035 .write_packet = mov_write_packet,
4036 .write_trailer = mov_write_trailer,
4037 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4038 .codec_tag = (const AVCodecTag* const []){
4039 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4041 .priv_class = &mov_muxer_class,
4044 #if CONFIG_TGP_MUXER
4046 AVOutputFormat ff_tgp_muxer = {
4048 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4049 .extensions = "3gp",
4050 .priv_data_size = sizeof(MOVMuxContext),
4051 .audio_codec = AV_CODEC_ID_AMR_NB,
4052 .video_codec = AV_CODEC_ID_H263,
4053 .write_header = mov_write_header,
4054 .write_packet = mov_write_packet,
4055 .write_trailer = mov_write_trailer,
4056 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4057 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4058 .priv_class = &tgp_muxer_class,
4061 #if CONFIG_MP4_MUXER
4063 AVOutputFormat ff_mp4_muxer = {
4065 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4066 .mime_type = "application/mp4",
4067 .extensions = "mp4",
4068 .priv_data_size = sizeof(MOVMuxContext),
4069 .audio_codec = AV_CODEC_ID_AAC,
4070 .video_codec = CONFIG_LIBX264_ENCODER ?
4071 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4072 .write_header = mov_write_header,
4073 .write_packet = mov_write_packet,
4074 .write_trailer = mov_write_trailer,
4075 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4076 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4077 .priv_class = &mp4_muxer_class,
4080 #if CONFIG_PSP_MUXER
4082 AVOutputFormat ff_psp_muxer = {
4084 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4085 .extensions = "mp4,psp",
4086 .priv_data_size = sizeof(MOVMuxContext),
4087 .audio_codec = AV_CODEC_ID_AAC,
4088 .video_codec = CONFIG_LIBX264_ENCODER ?
4089 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4090 .write_header = mov_write_header,
4091 .write_packet = mov_write_packet,
4092 .write_trailer = mov_write_trailer,
4093 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4094 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4095 .priv_class = &psp_muxer_class,
4098 #if CONFIG_TG2_MUXER
4100 AVOutputFormat ff_tg2_muxer = {
4102 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4103 .extensions = "3g2",
4104 .priv_data_size = sizeof(MOVMuxContext),
4105 .audio_codec = AV_CODEC_ID_AMR_NB,
4106 .video_codec = AV_CODEC_ID_H263,
4107 .write_header = mov_write_header,
4108 .write_packet = mov_write_packet,
4109 .write_trailer = mov_write_trailer,
4110 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4111 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4112 .priv_class = &tg2_muxer_class,
4115 #if CONFIG_IPOD_MUXER
4117 AVOutputFormat ff_ipod_muxer = {
4119 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4120 .mime_type = "application/mp4",
4121 .extensions = "m4v,m4a",
4122 .priv_data_size = sizeof(MOVMuxContext),
4123 .audio_codec = AV_CODEC_ID_AAC,
4124 .video_codec = AV_CODEC_ID_H264,
4125 .write_header = mov_write_header,
4126 .write_packet = mov_write_packet,
4127 .write_trailer = mov_write_trailer,
4128 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4129 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4130 .priv_class = &ipod_muxer_class,
4133 #if CONFIG_ISMV_MUXER
4135 AVOutputFormat ff_ismv_muxer = {
4137 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4138 .mime_type = "application/mp4",
4139 .extensions = "ismv,isma",
4140 .priv_data_size = sizeof(MOVMuxContext),
4141 .audio_codec = AV_CODEC_ID_AAC,
4142 .video_codec = AV_CODEC_ID_H264,
4143 .write_header = mov_write_header,
4144 .write_packet = mov_write_packet,
4145 .write_trailer = mov_write_trailer,
4146 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4147 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4148 .priv_class = &ismv_muxer_class,
4151 #if CONFIG_F4V_MUXER
4153 AVOutputFormat ff_f4v_muxer = {
4155 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4156 .mime_type = "application/f4v",
4157 .extensions = "f4v",
4158 .priv_data_size = sizeof(MOVMuxContext),
4159 .audio_codec = AV_CODEC_ID_AAC,
4160 .video_codec = AV_CODEC_ID_H264,
4161 .write_header = mov_write_header,
4162 .write_packet = mov_write_packet,
4163 .write_trailer = mov_write_trailer,
4164 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4165 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4166 .priv_class = &f4v_muxer_class,