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
28 #include "avio_internal.h"
33 #include "libavcodec/get_bits.h"
34 #include "libavcodec/put_bits.h"
35 #include "libavcodec/vc1.h"
37 #include "libavutil/avstring.h"
38 #include "libavutil/intfloat.h"
39 #include "libavutil/mathematics.h"
40 #include "libavutil/opt.h"
41 #include "libavutil/dict.h"
49 static const AVOption options[] = {
50 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "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" },
52 { "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 },
53 { "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" },
54 { "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" },
55 { "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" },
56 { "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" },
57 { "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" },
58 { "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" },
59 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
61 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
62 { "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},
63 { "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},
64 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
65 { "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},
66 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
67 { "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},
68 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
69 { "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},
70 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
74 #define MOV_CLASS(flavor)\
75 static const AVClass flavor ## _muxer_class = {\
76 .class_name = #flavor " muxer",\
77 .item_name = av_default_item_name,\
79 .version = LIBAVUTIL_VERSION_INT,\
82 static int get_moov_size(AVFormatContext *s);
84 //FIXME support 64 bit variant with wide placeholders
85 static int64_t update_size(AVIOContext *pb, int64_t pos)
87 int64_t curpos = avio_tell(pb);
88 avio_seek(pb, pos, SEEK_SET);
89 avio_wb32(pb, curpos - pos); /* rewrite size */
90 avio_seek(pb, curpos, SEEK_SET);
95 static int supports_edts(MOVMuxContext *mov)
97 // EDTS with fragments is tricky as we don't know the duration when its written
98 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
101 static int co64_required(const MOVTrack *track)
103 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
108 /* Chunk offset atom */
109 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
112 int mode64 = co64_required(track); // use 32 bit size variant if possible
113 int64_t pos = avio_tell(pb);
114 avio_wb32(pb, 0); /* size */
116 ffio_wfourcc(pb, "co64");
118 ffio_wfourcc(pb, "stco");
119 avio_wb32(pb, 0); /* version & flags */
120 avio_wb32(pb, track->chunkCount); /* entry count */
121 for (i = 0; i < track->entry; i++) {
122 if (!track->cluster[i].chunkNum)
125 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
127 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
129 return update_size(pb, pos);
132 /* Sample size atom */
133 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
136 int i, j, entries = 0, tst = -1, oldtst = -1;
138 int64_t pos = avio_tell(pb);
139 avio_wb32(pb, 0); /* size */
140 ffio_wfourcc(pb, "stsz");
141 avio_wb32(pb, 0); /* version & flags */
143 for (i = 0; i < track->entry; i++) {
144 tst = track->cluster[i].size / track->cluster[i].entries;
145 if (oldtst != -1 && tst != oldtst)
148 entries += track->cluster[i].entries;
150 if (equalChunks && track->entry) {
151 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
152 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
153 avio_wb32(pb, sSize); // sample size
154 avio_wb32(pb, entries); // sample count
156 avio_wb32(pb, 0); // sample size
157 avio_wb32(pb, entries); // sample count
158 for (i = 0; i < track->entry; i++) {
159 for (j = 0; j < track->cluster[i].entries; j++) {
160 avio_wb32(pb, track->cluster[i].size /
161 track->cluster[i].entries);
165 return update_size(pb, pos);
168 /* Sample to chunk atom */
169 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
171 int index = 0, oldval = -1, i;
172 int64_t entryPos, curpos;
174 int64_t pos = avio_tell(pb);
175 avio_wb32(pb, 0); /* size */
176 ffio_wfourcc(pb, "stsc");
177 avio_wb32(pb, 0); // version & flags
178 entryPos = avio_tell(pb);
179 avio_wb32(pb, track->chunkCount); // entry count
180 for (i = 0; i < track->entry; i++) {
181 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
182 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
183 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
184 avio_wb32(pb, 0x1); // sample description index
185 oldval = track->cluster[i].samples_in_chunk;
189 curpos = avio_tell(pb);
190 avio_seek(pb, entryPos, SEEK_SET);
191 avio_wb32(pb, index); // rewrite size
192 avio_seek(pb, curpos, SEEK_SET);
194 return update_size(pb, pos);
197 /* Sync sample atom */
198 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
200 int64_t curpos, entryPos;
202 int64_t pos = avio_tell(pb);
203 avio_wb32(pb, 0); // size
204 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
205 avio_wb32(pb, 0); // version & flags
206 entryPos = avio_tell(pb);
207 avio_wb32(pb, track->entry); // entry count
208 for (i = 0; i < track->entry; i++) {
209 if (track->cluster[i].flags & flag) {
210 avio_wb32(pb, i + 1);
214 curpos = avio_tell(pb);
215 avio_seek(pb, entryPos, SEEK_SET);
216 avio_wb32(pb, index); // rewrite size
217 avio_seek(pb, curpos, SEEK_SET);
218 return update_size(pb, pos);
221 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
223 avio_wb32(pb, 0x11); /* size */
224 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
225 else ffio_wfourcc(pb, "damr");
226 ffio_wfourcc(pb, "FFMP");
227 avio_w8(pb, 0); /* decoder version */
229 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
230 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
231 avio_w8(pb, 0x01); /* Frames per sample */
235 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
240 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
242 if (track->vos_len < 7)
246 ffio_wfourcc(pb, "dac3");
248 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
249 fscod = get_bits(&gbc, 2);
250 frmsizecod = get_bits(&gbc, 6);
251 bsid = get_bits(&gbc, 5);
252 bsmod = get_bits(&gbc, 3);
253 acmod = get_bits(&gbc, 3);
255 skip_bits(&gbc, 2); // dsurmod
257 if ((acmod & 1) && acmod != 1)
258 skip_bits(&gbc, 2); // cmixlev
260 skip_bits(&gbc, 2); // surmixlev
262 lfeon = get_bits1(&gbc);
264 init_put_bits(&pbc, buf, sizeof(buf));
265 put_bits(&pbc, 2, fscod);
266 put_bits(&pbc, 5, bsid);
267 put_bits(&pbc, 3, bsmod);
268 put_bits(&pbc, 3, acmod);
269 put_bits(&pbc, 1, lfeon);
270 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
271 put_bits(&pbc, 5, 0); // reserved
273 flush_put_bits(&pbc);
274 avio_write(pb, buf, sizeof(buf));
280 * This function writes extradata "as is".
281 * Extradata must be formatted like a valid atom (with size and tag).
283 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
285 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
286 return track->enc->extradata_size;
289 static int mov_write_enda_tag(AVIOContext *pb)
292 ffio_wfourcc(pb, "enda");
293 avio_wb16(pb, 1); /* little endian */
297 static int mov_write_enda_tag_be(AVIOContext *pb)
300 ffio_wfourcc(pb, "enda");
301 avio_wb16(pb, 0); /* big endian */
305 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
310 avio_w8(pb, (size >> (7 * i)) | 0x80);
311 avio_w8(pb, size & 0x7F);
314 static unsigned compute_avg_bitrate(MOVTrack *track)
318 if (!track->track_duration)
320 for (i = 0; i < track->entry; i++)
321 size += track->cluster[i].size;
322 return size * 8 * track->timescale / track->track_duration;
325 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
327 int64_t pos = avio_tell(pb);
328 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
329 unsigned avg_bitrate;
331 avio_wb32(pb, 0); // size
332 ffio_wfourcc(pb, "esds");
333 avio_wb32(pb, 0); // Version
336 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
337 avio_wb16(pb, track->track_id);
338 avio_w8(pb, 0x00); // flags (= no flags)
340 // DecoderConfig descriptor
341 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
343 // Object type indication
344 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
345 track->enc->codec_id == AV_CODEC_ID_MP3) &&
346 track->enc->sample_rate > 24000)
347 avio_w8(pb, 0x6B); // 11172-3
349 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
351 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
352 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
353 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
354 avio_w8(pb, 0x15); // flags (= Audiostream)
356 avio_w8(pb, 0x11); // flags (= Visualstream)
358 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
360 avg_bitrate = compute_avg_bitrate(track);
361 // maxbitrate (FIXME should be max rate in any 1 sec window)
362 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
363 avio_wb32(pb, avg_bitrate);
365 if (track->vos_len) {
366 // DecoderSpecific info descriptor
367 put_descr(pb, 0x05, track->vos_len);
368 avio_write(pb, track->vos_data, track->vos_len);
372 put_descr(pb, 0x06, 1);
374 return update_size(pb, pos);
377 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
379 return codec_id == AV_CODEC_ID_PCM_S24LE ||
380 codec_id == AV_CODEC_ID_PCM_S32LE ||
381 codec_id == AV_CODEC_ID_PCM_F32LE ||
382 codec_id == AV_CODEC_ID_PCM_F64LE;
385 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
387 return codec_id == AV_CODEC_ID_PCM_S24BE ||
388 codec_id == AV_CODEC_ID_PCM_S32BE ||
389 codec_id == AV_CODEC_ID_PCM_F32BE ||
390 codec_id == AV_CODEC_ID_PCM_F64BE;
393 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
395 int64_t pos = avio_tell(pb);
397 avio_wl32(pb, track->tag); // store it byteswapped
398 track->enc->codec_tag = av_bswap16(track->tag >> 16);
399 ff_put_wav_header(pb, track->enc);
400 return update_size(pb, pos);
403 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
405 int64_t pos = avio_tell(pb);
407 ffio_wfourcc(pb, "wfex");
408 ff_put_wav_header(pb, track->enc);
409 return update_size(pb, pos);
412 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
414 uint32_t layout_tag, bitmap;
415 int64_t pos = avio_tell(pb);
417 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
418 track->enc->channel_layout,
421 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
422 "lack of channel information\n");
426 avio_wb32(pb, 0); // Size
427 ffio_wfourcc(pb, "chan"); // Type
428 avio_w8(pb, 0); // Version
429 avio_wb24(pb, 0); // Flags
430 avio_wb32(pb, layout_tag); // mChannelLayoutTag
431 avio_wb32(pb, bitmap); // mChannelBitmap
432 avio_wb32(pb, 0); // mNumberChannelDescriptions
434 return update_size(pb, pos);
437 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
439 int64_t pos = avio_tell(pb);
441 avio_wb32(pb, 0); /* size */
442 ffio_wfourcc(pb, "wave");
444 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
445 avio_wb32(pb, 12); /* size */
446 ffio_wfourcc(pb, "frma");
447 avio_wl32(pb, track->tag);
450 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
451 /* useless atom needed by mplayer, ipod, not needed by quicktime */
452 avio_wb32(pb, 12); /* size */
453 ffio_wfourcc(pb, "mp4a");
455 mov_write_esds_tag(pb, track);
456 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
457 mov_write_enda_tag(pb);
458 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
459 mov_write_enda_tag_be(pb);
460 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
461 mov_write_amr_tag(pb, track);
462 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
463 mov_write_ac3_tag(pb, track);
464 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
465 track->enc->codec_id == AV_CODEC_ID_QDM2) {
466 mov_write_extradata_tag(pb, track);
467 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
468 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
469 mov_write_ms_tag(pb, track);
472 avio_wb32(pb, 8); /* size */
473 avio_wb32(pb, 0); /* null tag */
475 return update_size(pb, pos);
478 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
481 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
482 int unescaped_size, seq_found = 0;
483 int level = 0, interlace = 0;
484 int packet_seq = track->vc1_info.packet_seq;
485 int packet_entry = track->vc1_info.packet_entry;
486 int slices = track->vc1_info.slices;
489 if (track->start_dts == AV_NOPTS_VALUE) {
490 /* No packets written yet, vc1_info isn't authoritative yet. */
491 /* Assume inline sequence and entry headers. This will be
492 * overwritten at the end if the file is seekable. */
493 packet_seq = packet_entry = 1;
496 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
498 return AVERROR(ENOMEM);
499 start = find_next_marker(track->vos_data, end);
500 for (next = start; next < end; start = next) {
503 next = find_next_marker(start + 4, end);
504 size = next - start - 4;
507 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
508 init_get_bits(&gb, unescaped, 8 * unescaped_size);
509 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
510 int profile = get_bits(&gb, 2);
511 if (profile != PROFILE_ADVANCED) {
513 return AVERROR(ENOSYS);
516 level = get_bits(&gb, 3);
517 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
519 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
520 skip_bits(&gb, 1); /* broadcast */
521 interlace = get_bits1(&gb);
522 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
527 return AVERROR(ENOSYS);
530 init_put_bits(&pbc, buf, 7);
531 /* VC1DecSpecStruc */
532 put_bits(&pbc, 4, 12); /* profile - advanced */
533 put_bits(&pbc, 3, level);
534 put_bits(&pbc, 1, 0); /* reserved */
535 /* VC1AdvDecSpecStruc */
536 put_bits(&pbc, 3, level);
537 put_bits(&pbc, 1, 0); /* cbr */
538 put_bits(&pbc, 6, 0); /* reserved */
539 put_bits(&pbc, 1, !interlace); /* no interlace */
540 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
541 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
542 put_bits(&pbc, 1, !slices); /* no slice code */
543 put_bits(&pbc, 1, 0); /* no bframe */
544 put_bits(&pbc, 1, 0); /* reserved */
545 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
546 flush_put_bits(&pbc);
553 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
555 uint8_t buf[7] = { 0 };
558 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
561 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
562 ffio_wfourcc(pb, "dvc1");
563 track->vc1_info.struct_offset = avio_tell(pb);
564 avio_write(pb, buf, sizeof(buf));
565 avio_write(pb, track->vos_data, track->vos_len);
570 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
572 avio_wb32(pb, track->vos_len + 8);
573 ffio_wfourcc(pb, "glbl");
574 avio_write(pb, track->vos_data, track->vos_len);
575 return 8 + track->vos_len;
579 * Compute flags for 'lpcm' tag.
580 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
582 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
585 case AV_CODEC_ID_PCM_F32BE:
586 case AV_CODEC_ID_PCM_F64BE:
588 case AV_CODEC_ID_PCM_F32LE:
589 case AV_CODEC_ID_PCM_F64LE:
591 case AV_CODEC_ID_PCM_U8:
593 case AV_CODEC_ID_PCM_S16BE:
594 case AV_CODEC_ID_PCM_S24BE:
595 case AV_CODEC_ID_PCM_S32BE:
597 case AV_CODEC_ID_PCM_S8:
598 case AV_CODEC_ID_PCM_S16LE:
599 case AV_CODEC_ID_PCM_S24LE:
600 case AV_CODEC_ID_PCM_S32LE:
607 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
611 if (cluster_idx >= track->entry)
614 if (cluster_idx + 1 == track->entry)
615 next_dts = track->track_duration + track->start_dts;
617 next_dts = track->cluster[cluster_idx + 1].dts;
619 next_dts -= track->cluster[cluster_idx].dts;
621 av_assert0(next_dts >= 0);
622 av_assert0(next_dts <= INT_MAX);
627 static int get_samples_per_packet(MOVTrack *track)
629 int i, first_duration;
631 // return track->enc->frame_size;
633 /* use 1 for raw PCM */
634 if (!track->audio_vbr)
637 /* check to see if duration is constant for all clusters */
640 first_duration = get_cluster_duration(track, 0);
641 for (i = 1; i < track->entry; i++) {
642 if (get_cluster_duration(track, i) != first_duration)
645 return first_duration;
648 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
650 int64_t pos = avio_tell(pb);
652 uint32_t tag = track->tag;
654 if (track->mode == MODE_MOV) {
655 if (track->timescale > UINT16_MAX) {
656 if (mov_get_lpcm_flags(track->enc->codec_id))
657 tag = AV_RL32("lpcm");
659 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
660 mov_pcm_be_gt16(track->enc->codec_id) ||
661 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
662 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
663 track->enc->codec_id == AV_CODEC_ID_QDM2) {
668 avio_wb32(pb, 0); /* size */
669 avio_wl32(pb, tag); // store it byteswapped
670 avio_wb32(pb, 0); /* Reserved */
671 avio_wb16(pb, 0); /* Reserved */
672 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
674 /* SoundDescription */
675 avio_wb16(pb, version); /* Version */
676 avio_wb16(pb, 0); /* Revision level */
677 avio_wb32(pb, 0); /* Reserved */
682 avio_wb16(pb, 0xfffe);
684 avio_wb32(pb, 0x00010000);
686 avio_wb64(pb, av_double2int(track->enc->sample_rate));
687 avio_wb32(pb, track->enc->channels);
688 avio_wb32(pb, 0x7F000000);
689 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
690 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
691 avio_wb32(pb, track->sample_size);
692 avio_wb32(pb, get_samples_per_packet(track));
694 if (track->mode == MODE_MOV) {
695 avio_wb16(pb, track->enc->channels);
696 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
697 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
698 avio_wb16(pb, 8); /* bits per sample */
701 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
702 } else { /* reserved for mp4/3gp */
708 avio_wb16(pb, 0); /* packet size (= 0) */
709 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
710 track->enc->sample_rate : 0);
711 avio_wb16(pb, 0); /* Reserved */
714 if (version == 1) { /* SoundDescription V1 extended info */
715 if (mov_pcm_le_gt16(track->enc->codec_id) ||
716 mov_pcm_be_gt16(track->enc->codec_id))
717 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
719 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
720 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
721 avio_wb32(pb, track->sample_size); /* Bytes per frame */
722 avio_wb32(pb, 2); /* Bytes per sample */
725 if (track->mode == MODE_MOV &&
726 (track->enc->codec_id == AV_CODEC_ID_AAC ||
727 track->enc->codec_id == AV_CODEC_ID_AC3 ||
728 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
729 track->enc->codec_id == AV_CODEC_ID_ALAC ||
730 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
731 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
732 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
733 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
734 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
735 mov_write_wave_tag(pb, track);
736 else if (track->tag == MKTAG('m','p','4','a'))
737 mov_write_esds_tag(pb, track);
738 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
739 mov_write_amr_tag(pb, track);
740 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
741 mov_write_ac3_tag(pb, track);
742 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
743 mov_write_extradata_tag(pb, track);
744 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
745 mov_write_wfex_tag(pb, track);
746 else if (track->vos_len > 0)
747 mov_write_glbl_tag(pb, track);
749 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
750 mov_write_chan_tag(pb, track);
752 return update_size(pb, pos);
755 static int mov_write_d263_tag(AVIOContext *pb)
757 avio_wb32(pb, 0xf); /* size */
758 ffio_wfourcc(pb, "d263");
759 ffio_wfourcc(pb, "FFMP");
760 avio_w8(pb, 0); /* decoder version */
761 /* FIXME use AVCodecContext level/profile, when encoder will set values */
762 avio_w8(pb, 0xa); /* level */
763 avio_w8(pb, 0); /* profile */
767 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
769 int64_t pos = avio_tell(pb);
772 ffio_wfourcc(pb, "avcC");
773 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
774 return update_size(pb, pos);
777 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
779 int64_t pos = avio_tell(pb);
782 ffio_wfourcc(pb, "hvcC");
783 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
784 return update_size(pb, pos);
787 /* also used by all avid codecs (dv, imx, meridien) and their variants */
788 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
791 avio_wb32(pb, 24); /* size */
792 ffio_wfourcc(pb, "ACLR");
793 ffio_wfourcc(pb, "ACLR");
794 ffio_wfourcc(pb, "0001");
795 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
796 avio_wb32(pb, 0); /* unknown */
798 avio_wb32(pb, 24); /* size */
799 ffio_wfourcc(pb, "APRG");
800 ffio_wfourcc(pb, "APRG");
801 ffio_wfourcc(pb, "0001");
802 avio_wb32(pb, 1); /* unknown */
803 avio_wb32(pb, 0); /* unknown */
805 avio_wb32(pb, 120); /* size */
806 ffio_wfourcc(pb, "ARES");
807 ffio_wfourcc(pb, "ARES");
808 ffio_wfourcc(pb, "0001");
809 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
810 avio_wb32(pb, track->enc->width);
811 /* values below are based on samples created with quicktime and avid codecs */
812 if (track->vos_data[5] & 2) { // interlaced
813 avio_wb32(pb, track->enc->height / 2);
814 avio_wb32(pb, 2); /* unknown */
815 avio_wb32(pb, 0); /* unknown */
816 avio_wb32(pb, 4); /* unknown */
818 avio_wb32(pb, track->enc->height);
819 avio_wb32(pb, 1); /* unknown */
820 avio_wb32(pb, 0); /* unknown */
821 if (track->enc->height == 1080)
822 avio_wb32(pb, 5); /* unknown */
824 avio_wb32(pb, 6); /* unknown */
827 for (i = 0; i < 10; i++)
830 /* extra padding for stsd needed */
835 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
837 int tag = track->enc->codec_tag;
839 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
842 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
843 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
844 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
845 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
846 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
847 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
848 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
849 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
854 static const AVCodecTag codec_ipod_tags[] = {
855 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
856 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
857 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
858 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
859 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
860 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
861 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
862 { AV_CODEC_ID_NONE, 0 },
865 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
867 int tag = track->enc->codec_tag;
869 // keep original tag for subs, ipod supports both formats
870 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
871 (tag == MKTAG('t', 'x', '3', 'g') ||
872 tag == MKTAG('t', 'e', 'x', 't'))))
873 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
875 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
876 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
877 "Quicktime/Ipod might not play the file\n");
882 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
886 if (track->enc->width == 720) { /* SD */
887 if (track->enc->height == 480) { /* NTSC */
888 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
889 else tag = MKTAG('d','v','c',' ');
890 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
891 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
892 else tag = MKTAG('d','v','p','p');
893 } else if (track->enc->height == 720) { /* HD 720 line */
894 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
895 else tag = MKTAG('d','v','h','p');
896 } else if (track->enc->height == 1080) { /* HD 1080 line */
897 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
898 else tag = MKTAG('d','v','h','6');
900 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
907 static AVRational find_fps(AVFormatContext *s, AVStream *st)
909 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
910 /* if the codec time base makes no sense, try to fallback on stream frame rate */
911 if (av_timecode_check_frame_rate(rate) < 0) {
912 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
913 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
914 rate = st->avg_frame_rate;
920 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
922 int tag = track->enc->codec_tag;
923 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
924 AVStream *st = track->st;
925 int rate = av_q2d(find_fps(s, st));
928 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
930 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
931 if (track->enc->width == 1280 && track->enc->height == 720) {
933 if (rate == 24) tag = MKTAG('x','d','v','4');
934 else if (rate == 25) tag = MKTAG('x','d','v','5');
935 else if (rate == 30) tag = MKTAG('x','d','v','1');
936 else if (rate == 50) tag = MKTAG('x','d','v','a');
937 else if (rate == 60) tag = MKTAG('x','d','v','9');
939 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
941 if (rate == 24) tag = MKTAG('x','d','v','6');
942 else if (rate == 25) tag = MKTAG('x','d','v','7');
943 else if (rate == 30) tag = MKTAG('x','d','v','8');
945 if (rate == 25) tag = MKTAG('x','d','v','3');
946 else if (rate == 30) tag = MKTAG('x','d','v','2');
948 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
950 if (rate == 24) tag = MKTAG('x','d','v','d');
951 else if (rate == 25) tag = MKTAG('x','d','v','e');
952 else if (rate == 30) tag = MKTAG('x','d','v','f');
954 if (rate == 25) tag = MKTAG('x','d','v','c');
955 else if (rate == 30) tag = MKTAG('x','d','v','b');
958 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
959 if (track->enc->width == 1280 && track->enc->height == 720) {
961 if (rate == 24) tag = MKTAG('x','d','5','4');
962 else if (rate == 25) tag = MKTAG('x','d','5','5');
963 else if (rate == 30) tag = MKTAG('x','d','5','1');
964 else if (rate == 50) tag = MKTAG('x','d','5','a');
965 else if (rate == 60) tag = MKTAG('x','d','5','9');
967 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
969 if (rate == 24) tag = MKTAG('x','d','5','d');
970 else if (rate == 25) tag = MKTAG('x','d','5','e');
971 else if (rate == 30) tag = MKTAG('x','d','5','f');
973 if (rate == 25) tag = MKTAG('x','d','5','c');
974 else if (rate == 30) tag = MKTAG('x','d','5','b');
982 static const struct {
983 enum AVPixelFormat pix_fmt;
986 } mov_pix_fmt_tags[] = {
987 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
988 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
989 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
990 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
991 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
992 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
993 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
994 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
995 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
996 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
997 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
998 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
999 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1000 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1001 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1004 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1006 int tag = track->enc->codec_tag;
1009 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1010 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1011 tag = mov_pix_fmt_tags[i].tag;
1012 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1013 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1021 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1023 int tag = track->enc->codec_tag;
1025 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1026 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1027 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1028 track->enc->codec_id == AV_CODEC_ID_H263 ||
1029 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1030 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1031 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1032 tag = mov_get_dv_codec_tag(s, track);
1033 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1034 tag = mov_get_rawvideo_codec_tag(s, track);
1035 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1036 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1037 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1038 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1039 if (!tag) { // if no mac fcc found, try with Microsoft tags
1040 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1042 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1043 "the file may be unplayable!\n");
1045 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1046 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1047 if (!tag) { // if no mac fcc found, try with Microsoft tags
1048 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1050 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1051 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1052 "the file may be unplayable!\n");
1055 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1056 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1062 static const AVCodecTag codec_3gp_tags[] = {
1063 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1064 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1065 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1066 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1067 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1068 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1069 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1070 { AV_CODEC_ID_NONE, 0 },
1073 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1074 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1075 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1076 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1077 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1078 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1079 { AV_CODEC_ID_NONE, 0 },
1082 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1086 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1087 tag = mp4_get_codec_tag(s, track);
1088 else if (track->mode == MODE_ISM) {
1089 tag = mp4_get_codec_tag(s, track);
1090 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1091 tag = MKTAG('w', 'm', 'a', ' ');
1092 } else if (track->mode == MODE_IPOD)
1093 tag = ipod_get_codec_tag(s, track);
1094 else if (track->mode & MODE_3GP)
1095 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1096 else if (track->mode == MODE_F4V)
1097 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1099 tag = mov_get_codec_tag(s, track);
1104 /** Write uuid atom.
1105 * Needed to make file play in iPods running newest firmware
1106 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1108 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1111 ffio_wfourcc(pb, "uuid");
1112 avio_wb32(pb, 0x6b6840f2);
1113 avio_wb32(pb, 0x5f244fc5);
1114 avio_wb32(pb, 0xba39a51b);
1115 avio_wb32(pb, 0xcf0323f3);
1120 static const uint16_t fiel_data[] = {
1121 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1124 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1126 unsigned mov_field_order = 0;
1127 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1128 mov_field_order = fiel_data[track->enc->field_order];
1132 ffio_wfourcc(pb, "fiel");
1133 avio_wb16(pb, mov_field_order);
1137 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1139 int64_t pos = avio_tell(pb);
1140 avio_wb32(pb, 0); /* size */
1141 avio_wl32(pb, track->tag); // store it byteswapped
1142 avio_wb32(pb, 0); /* Reserved */
1143 avio_wb16(pb, 0); /* Reserved */
1144 avio_wb16(pb, 1); /* Data-reference index */
1146 if (track->enc->extradata_size)
1147 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1149 return update_size(pb, pos);
1152 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1155 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1156 track->enc->sample_aspect_ratio.den, INT_MAX);
1159 ffio_wfourcc(pb, "pasp");
1160 avio_wb32(pb, sar.num);
1161 avio_wb32(pb, sar.den);
1165 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1167 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1168 || (track->enc->width == 1440 && track->enc->height == 1080)
1169 || (track->enc->width == 1920 && track->enc->height == 1080);
1171 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name) {
1172 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1173 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1174 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1175 AVStream *st = track->st;
1176 int rate = av_q2d(find_fps(NULL, st));
1177 av_strlcatf(compressor_name, len, "XDCAM");
1178 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1179 av_strlcatf(compressor_name, len, " HD422");
1180 } else if(track->enc->width == 1440) {
1181 av_strlcatf(compressor_name, len, " HD");
1183 av_strlcatf(compressor_name, len, " EX");
1185 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1187 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1191 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1193 int64_t pos = avio_tell(pb);
1194 char compressor_name[32] = { 0 };
1196 avio_wb32(pb, 0); /* size */
1197 avio_wl32(pb, track->tag); // store it byteswapped
1198 avio_wb32(pb, 0); /* Reserved */
1199 avio_wb16(pb, 0); /* Reserved */
1200 avio_wb16(pb, 1); /* Data-reference index */
1202 avio_wb16(pb, 0); /* Codec stream version */
1203 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1204 if (track->mode == MODE_MOV) {
1205 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1206 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1207 avio_wb32(pb, 0); /* Temporal Quality */
1208 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1210 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1211 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1214 avio_wb32(pb, 0); /* Reserved */
1215 avio_wb32(pb, 0); /* Reserved */
1216 avio_wb32(pb, 0); /* Reserved */
1218 avio_wb16(pb, track->enc->width); /* Video width */
1219 avio_wb16(pb, track->height); /* Video height */
1220 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1221 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1222 avio_wb32(pb, 0); /* Data size (= 0) */
1223 avio_wb16(pb, 1); /* Frame count (= 1) */
1225 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1226 find_compressor(compressor_name, 32, track);
1227 avio_w8(pb, strlen(compressor_name));
1228 avio_write(pb, compressor_name, 31);
1230 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1231 avio_wb16(pb, track->enc->bits_per_coded_sample);
1233 avio_wb16(pb, 0x18); /* Reserved */
1234 avio_wb16(pb, 0xffff); /* Reserved */
1235 if (track->tag == MKTAG('m','p','4','v'))
1236 mov_write_esds_tag(pb, track);
1237 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1238 mov_write_d263_tag(pb);
1239 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1240 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1241 mov_write_extradata_tag(pb, track);
1243 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1244 mov_write_avid_tag(pb, track);
1245 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1246 mov_write_hvcc_tag(pb, track);
1247 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1248 mov_write_avcc_tag(pb, track);
1249 if (track->mode == MODE_IPOD)
1250 mov_write_uuid_tag_ipod(pb);
1251 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1252 mov_write_dvc1_tag(pb, track);
1253 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1254 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1255 /* Don't write any potential extradata here - the cropping
1256 * is signalled via the normal width/height fields. */
1257 } else if (track->vos_len > 0)
1258 mov_write_glbl_tag(pb, track);
1260 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1261 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1262 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1263 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1264 mov_write_fiel_tag(pb, track);
1266 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1267 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1268 mov_write_pasp_tag(pb, track);
1271 return update_size(pb, pos);
1274 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1276 int64_t pos = avio_tell(pb);
1277 avio_wb32(pb, 0); /* size */
1278 ffio_wfourcc(pb, "rtp ");
1279 avio_wb32(pb, 0); /* Reserved */
1280 avio_wb16(pb, 0); /* Reserved */
1281 avio_wb16(pb, 1); /* Data-reference index */
1283 avio_wb16(pb, 1); /* Hint track version */
1284 avio_wb16(pb, 1); /* Highest compatible version */
1285 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1287 avio_wb32(pb, 12); /* size */
1288 ffio_wfourcc(pb, "tims");
1289 avio_wb32(pb, track->timescale);
1291 return update_size(pb, pos);
1294 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1296 int64_t pos = avio_tell(pb);
1298 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1299 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1301 if (nb_frames > 255) {
1302 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1303 return AVERROR(EINVAL);
1306 avio_wb32(pb, 0); /* size */
1307 ffio_wfourcc(pb, "tmcd"); /* Data format */
1308 avio_wb32(pb, 0); /* Reserved */
1309 avio_wb32(pb, 1); /* Data reference index */
1310 avio_wb32(pb, 0); /* Flags */
1311 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1312 avio_wb32(pb, track->timescale); /* Timescale */
1313 avio_wb32(pb, frame_duration); /* Frame duration */
1314 avio_w8(pb, nb_frames); /* Number of frames */
1315 avio_wb24(pb, 0); /* Reserved */
1316 /* TODO: source reference string */
1319 avio_wb32(pb, 0); /* size */
1320 ffio_wfourcc(pb, "tmcd"); /* Data format */
1321 avio_wb32(pb, 0); /* Reserved */
1322 avio_wb32(pb, 1); /* Data reference index */
1323 if (track->enc->extradata_size)
1324 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1326 return update_size(pb, pos);
1329 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1331 int64_t pos = avio_tell(pb);
1332 avio_wb32(pb, 0); /* size */
1333 ffio_wfourcc(pb, "stsd");
1334 avio_wb32(pb, 0); /* version & flags */
1335 avio_wb32(pb, 1); /* entry count */
1336 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1337 mov_write_video_tag(pb, track);
1338 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1339 mov_write_audio_tag(pb, track);
1340 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1341 mov_write_subtitle_tag(pb, track);
1342 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1343 mov_write_rtp_tag(pb, track);
1344 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1345 mov_write_tmcd_tag(pb, track);
1346 return update_size(pb, pos);
1349 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1351 MOVStts *ctts_entries;
1352 uint32_t entries = 0;
1356 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1357 ctts_entries[0].count = 1;
1358 ctts_entries[0].duration = track->cluster[0].cts;
1359 for (i = 1; i < track->entry; i++) {
1360 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1361 ctts_entries[entries].count++; /* compress */
1364 ctts_entries[entries].duration = track->cluster[i].cts;
1365 ctts_entries[entries].count = 1;
1368 entries++; /* last one */
1369 atom_size = 16 + (entries * 8);
1370 avio_wb32(pb, atom_size); /* size */
1371 ffio_wfourcc(pb, "ctts");
1372 avio_wb32(pb, 0); /* version & flags */
1373 avio_wb32(pb, entries); /* entry count */
1374 for (i = 0; i < entries; i++) {
1375 avio_wb32(pb, ctts_entries[i].count);
1376 avio_wb32(pb, ctts_entries[i].duration);
1378 av_free(ctts_entries);
1382 /* Time to sample atom */
1383 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1385 MOVStts *stts_entries;
1386 uint32_t entries = -1;
1390 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1391 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1392 stts_entries[0].count = track->sample_count;
1393 stts_entries[0].duration = 1;
1396 stts_entries = track->entry ?
1397 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1399 for (i = 0; i < track->entry; i++) {
1400 int duration = get_cluster_duration(track, i);
1401 if (i && duration == stts_entries[entries].duration) {
1402 stts_entries[entries].count++; /* compress */
1405 stts_entries[entries].duration = duration;
1406 stts_entries[entries].count = 1;
1409 entries++; /* last one */
1411 atom_size = 16 + (entries * 8);
1412 avio_wb32(pb, atom_size); /* size */
1413 ffio_wfourcc(pb, "stts");
1414 avio_wb32(pb, 0); /* version & flags */
1415 avio_wb32(pb, entries); /* entry count */
1416 for (i = 0; i < entries; i++) {
1417 avio_wb32(pb, stts_entries[i].count);
1418 avio_wb32(pb, stts_entries[i].duration);
1420 av_free(stts_entries);
1424 static int mov_write_dref_tag(AVIOContext *pb)
1426 avio_wb32(pb, 28); /* size */
1427 ffio_wfourcc(pb, "dref");
1428 avio_wb32(pb, 0); /* version & flags */
1429 avio_wb32(pb, 1); /* entry count */
1431 avio_wb32(pb, 0xc); /* size */
1432 //FIXME add the alis and rsrc atom
1433 ffio_wfourcc(pb, "url ");
1434 avio_wb32(pb, 1); /* version & flags */
1439 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1441 int64_t pos = avio_tell(pb);
1442 avio_wb32(pb, 0); /* size */
1443 ffio_wfourcc(pb, "stbl");
1444 mov_write_stsd_tag(pb, track);
1445 mov_write_stts_tag(pb, track);
1446 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1447 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1448 track->has_keyframes && track->has_keyframes < track->entry)
1449 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1450 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1451 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1452 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1453 track->flags & MOV_TRACK_CTTS)
1454 mov_write_ctts_tag(pb, track);
1455 mov_write_stsc_tag(pb, track);
1456 mov_write_stsz_tag(pb, track);
1457 mov_write_stco_tag(pb, track);
1458 return update_size(pb, pos);
1461 static int mov_write_dinf_tag(AVIOContext *pb)
1463 int64_t pos = avio_tell(pb);
1464 avio_wb32(pb, 0); /* size */
1465 ffio_wfourcc(pb, "dinf");
1466 mov_write_dref_tag(pb);
1467 return update_size(pb, pos);
1470 static int mov_write_nmhd_tag(AVIOContext *pb)
1473 ffio_wfourcc(pb, "nmhd");
1478 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1480 int64_t pos = avio_tell(pb);
1481 const char *font = "Lucida Grande";
1482 avio_wb32(pb, 0); /* size */
1483 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1484 avio_wb32(pb, 0); /* version & flags */
1485 avio_wb16(pb, 0); /* text font */
1486 avio_wb16(pb, 0); /* text face */
1487 avio_wb16(pb, 12); /* text size */
1488 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1489 avio_wb16(pb, 0x0000); /* text color (red) */
1490 avio_wb16(pb, 0x0000); /* text color (green) */
1491 avio_wb16(pb, 0x0000); /* text color (blue) */
1492 avio_wb16(pb, 0xffff); /* background color (red) */
1493 avio_wb16(pb, 0xffff); /* background color (green) */
1494 avio_wb16(pb, 0xffff); /* background color (blue) */
1495 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1496 avio_write(pb, font, strlen(font)); /* font name */
1497 return update_size(pb, pos);
1500 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1502 int64_t pos = avio_tell(pb);
1503 avio_wb32(pb, 0); /* size */
1504 ffio_wfourcc(pb, "gmhd");
1505 avio_wb32(pb, 0x18); /* gmin size */
1506 ffio_wfourcc(pb, "gmin");/* generic media info */
1507 avio_wb32(pb, 0); /* version & flags */
1508 avio_wb16(pb, 0x40); /* graphics mode = */
1509 avio_wb16(pb, 0x8000); /* opColor (r?) */
1510 avio_wb16(pb, 0x8000); /* opColor (g?) */
1511 avio_wb16(pb, 0x8000); /* opColor (b?) */
1512 avio_wb16(pb, 0); /* balance */
1513 avio_wb16(pb, 0); /* reserved */
1516 * This special text atom is required for
1517 * Apple Quicktime chapters. The contents
1518 * don't appear to be documented, so the
1519 * bytes are copied verbatim.
1521 if (track->tag != MKTAG('c','6','0','8')) {
1522 avio_wb32(pb, 0x2C); /* size */
1523 ffio_wfourcc(pb, "text");
1524 avio_wb16(pb, 0x01);
1525 avio_wb32(pb, 0x00);
1526 avio_wb32(pb, 0x00);
1527 avio_wb32(pb, 0x00);
1528 avio_wb32(pb, 0x01);
1529 avio_wb32(pb, 0x00);
1530 avio_wb32(pb, 0x00);
1531 avio_wb32(pb, 0x00);
1532 avio_wb32(pb, 0x00004000);
1533 avio_wb16(pb, 0x0000);
1536 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1537 int64_t tmcd_pos = avio_tell(pb);
1538 avio_wb32(pb, 0); /* size */
1539 ffio_wfourcc(pb, "tmcd");
1540 mov_write_tcmi_tag(pb, track);
1541 update_size(pb, tmcd_pos);
1543 return update_size(pb, pos);
1546 static int mov_write_smhd_tag(AVIOContext *pb)
1548 avio_wb32(pb, 16); /* size */
1549 ffio_wfourcc(pb, "smhd");
1550 avio_wb32(pb, 0); /* version & flags */
1551 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1552 avio_wb16(pb, 0); /* reserved */
1556 static int mov_write_vmhd_tag(AVIOContext *pb)
1558 avio_wb32(pb, 0x14); /* size (always 0x14) */
1559 ffio_wfourcc(pb, "vmhd");
1560 avio_wb32(pb, 0x01); /* version & flags */
1561 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1565 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1567 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1568 int64_t pos = avio_tell(pb);
1572 descr = "DataHandler";
1575 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1576 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1578 descr = "VideoHandler";
1579 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1581 descr = "SoundHandler";
1582 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1583 if (track->tag == MKTAG('c','6','0','8')) {
1585 descr = "ClosedCaptionHandler";
1587 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1588 else hdlr_type = "text";
1589 descr = "SubtitleHandler";
1591 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1593 descr = "HintHandler";
1594 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1596 descr = "TimeCodeHandler";
1599 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1600 track->enc->codec_tag);
1602 av_log(track->enc, AV_LOG_WARNING,
1603 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1604 tag_buf, track->enc->codec_tag);
1608 avio_wb32(pb, 0); /* size */
1609 ffio_wfourcc(pb, "hdlr");
1610 avio_wb32(pb, 0); /* Version & flags */
1611 avio_write(pb, hdlr, 4); /* handler */
1612 ffio_wfourcc(pb, hdlr_type); /* handler type */
1613 avio_wb32(pb, 0); /* reserved */
1614 avio_wb32(pb, 0); /* reserved */
1615 avio_wb32(pb, 0); /* reserved */
1616 if (!track || track->mode == MODE_MOV)
1617 avio_w8(pb, strlen(descr)); /* pascal string */
1618 avio_write(pb, descr, strlen(descr)); /* handler description */
1619 if (track && track->mode != MODE_MOV)
1620 avio_w8(pb, 0); /* c string */
1621 return update_size(pb, pos);
1624 static int mov_write_hmhd_tag(AVIOContext *pb)
1626 /* This atom must be present, but leaving the values at zero
1627 * seems harmless. */
1628 avio_wb32(pb, 28); /* size */
1629 ffio_wfourcc(pb, "hmhd");
1630 avio_wb32(pb, 0); /* version, flags */
1631 avio_wb16(pb, 0); /* maxPDUsize */
1632 avio_wb16(pb, 0); /* avgPDUsize */
1633 avio_wb32(pb, 0); /* maxbitrate */
1634 avio_wb32(pb, 0); /* avgbitrate */
1635 avio_wb32(pb, 0); /* reserved */
1639 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1641 int64_t pos = avio_tell(pb);
1642 avio_wb32(pb, 0); /* size */
1643 ffio_wfourcc(pb, "minf");
1644 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1645 mov_write_vmhd_tag(pb);
1646 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1647 mov_write_smhd_tag(pb);
1648 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1649 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1650 mov_write_gmhd_tag(pb, track);
1652 mov_write_nmhd_tag(pb);
1654 } else if (track->tag == MKTAG('r','t','p',' ')) {
1655 mov_write_hmhd_tag(pb);
1656 } else if (track->tag == MKTAG('t','m','c','d')) {
1657 mov_write_gmhd_tag(pb, track);
1659 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1660 mov_write_hdlr_tag(pb, NULL);
1661 mov_write_dinf_tag(pb);
1662 mov_write_stbl_tag(pb, track);
1663 return update_size(pb, pos);
1666 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1668 int version = track->track_duration < INT32_MAX ? 0 : 1;
1670 if (track->mode == MODE_ISM)
1673 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1674 ffio_wfourcc(pb, "mdhd");
1675 avio_w8(pb, version);
1676 avio_wb24(pb, 0); /* flags */
1678 avio_wb64(pb, track->time);
1679 avio_wb64(pb, track->time);
1681 avio_wb32(pb, track->time); /* creation time */
1682 avio_wb32(pb, track->time); /* modification time */
1684 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1686 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1688 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1689 avio_wb16(pb, track->language); /* language */
1690 avio_wb16(pb, 0); /* reserved (quality) */
1692 if (version != 0 && track->mode == MODE_MOV) {
1693 av_log(NULL, AV_LOG_ERROR,
1694 "FATAL error, file duration too long for timebase, this file will not be\n"
1695 "playable with quicktime. Choose a different timebase or a different\n"
1696 "container format\n");
1702 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1704 int64_t pos = avio_tell(pb);
1705 avio_wb32(pb, 0); /* size */
1706 ffio_wfourcc(pb, "mdia");
1707 mov_write_mdhd_tag(pb, track);
1708 mov_write_hdlr_tag(pb, track);
1709 mov_write_minf_tag(pb, track);
1710 return update_size(pb, pos);
1713 /* transformation matrix
1717 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1718 int16_t d, int16_t tx, int16_t ty)
1720 avio_wb32(pb, a << 16); /* 16.16 format */
1721 avio_wb32(pb, b << 16); /* 16.16 format */
1722 avio_wb32(pb, 0); /* u in 2.30 format */
1723 avio_wb32(pb, c << 16); /* 16.16 format */
1724 avio_wb32(pb, d << 16); /* 16.16 format */
1725 avio_wb32(pb, 0); /* v in 2.30 format */
1726 avio_wb32(pb, tx << 16); /* 16.16 format */
1727 avio_wb32(pb, ty << 16); /* 16.16 format */
1728 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1731 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1733 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1734 track->timescale, AV_ROUND_UP);
1735 int version = duration < INT32_MAX ? 0 : 1;
1738 if (track->mode == MODE_ISM)
1741 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1742 ffio_wfourcc(pb, "tkhd");
1743 avio_w8(pb, version);
1744 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1745 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1746 MOV_TKHD_FLAG_IN_MOVIE);
1748 avio_wb64(pb, track->time);
1749 avio_wb64(pb, track->time);
1751 avio_wb32(pb, track->time); /* creation time */
1752 avio_wb32(pb, track->time); /* modification time */
1754 avio_wb32(pb, track->track_id); /* track-id */
1755 avio_wb32(pb, 0); /* reserved */
1757 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1759 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1761 avio_wb32(pb, 0); /* reserved */
1762 avio_wb32(pb, 0); /* reserved */
1763 avio_wb16(pb, 0); /* layer */
1764 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1765 /* Volume, only for audio */
1766 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1767 avio_wb16(pb, 0x0100);
1770 avio_wb16(pb, 0); /* reserved */
1772 /* Matrix structure */
1773 if (st && st->metadata) {
1774 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1775 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1777 if (rotation == 90) {
1778 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1779 } else if (rotation == 180) {
1780 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1781 } else if (rotation == 270) {
1782 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1784 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1786 /* Track width and height, for visual only */
1787 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1788 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1789 if (track->mode == MODE_MOV) {
1790 avio_wb32(pb, track->enc->width << 16);
1791 avio_wb32(pb, track->height << 16);
1793 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1794 if (!sample_aspect_ratio || track->height != track->enc->height)
1795 sample_aspect_ratio = 1;
1796 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1797 avio_wb32(pb, track->height * 0x10000);
1806 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1808 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1809 track->enc->sample_aspect_ratio.den);
1811 int64_t pos = avio_tell(pb);
1813 avio_wb32(pb, 0); /* size */
1814 ffio_wfourcc(pb, "tapt");
1817 ffio_wfourcc(pb, "clef");
1819 avio_wb32(pb, width << 16);
1820 avio_wb32(pb, track->enc->height << 16);
1823 ffio_wfourcc(pb, "prof");
1825 avio_wb32(pb, width << 16);
1826 avio_wb32(pb, track->enc->height << 16);
1829 ffio_wfourcc(pb, "enof");
1831 avio_wb32(pb, track->enc->width << 16);
1832 avio_wb32(pb, track->enc->height << 16);
1834 return update_size(pb, pos);
1837 // This box seems important for the psp playback ... without it the movie seems to hang
1838 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1840 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1841 track->timescale, AV_ROUND_UP);
1842 int version = duration < INT32_MAX ? 0 : 1;
1843 int entry_size, entry_count, size;
1844 int64_t delay, start_ct = track->cluster[0].cts;
1845 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1846 track->timescale, AV_ROUND_DOWN);
1847 version |= delay < INT32_MAX ? 0 : 1;
1849 entry_size = (version == 1) ? 20 : 12;
1850 entry_count = 1 + (delay > 0);
1851 size = 24 + entry_count * entry_size;
1853 /* write the atom data */
1854 avio_wb32(pb, size);
1855 ffio_wfourcc(pb, "edts");
1856 avio_wb32(pb, size - 8);
1857 ffio_wfourcc(pb, "elst");
1858 avio_w8(pb, version);
1859 avio_wb24(pb, 0); /* flags */
1861 avio_wb32(pb, entry_count);
1862 if (delay > 0) { /* add an empty edit to delay presentation */
1864 avio_wb64(pb, delay);
1867 avio_wb32(pb, delay);
1870 avio_wb32(pb, 0x00010000);
1872 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1873 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1879 avio_wb64(pb, duration);
1880 avio_wb64(pb, start_ct);
1882 avio_wb32(pb, duration);
1883 avio_wb32(pb, start_ct);
1885 avio_wb32(pb, 0x00010000);
1889 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1891 avio_wb32(pb, 20); // size
1892 ffio_wfourcc(pb, "tref");
1893 avio_wb32(pb, 12); // size (subatom)
1894 avio_wl32(pb, track->tref_tag);
1895 avio_wb32(pb, track->tref_id);
1899 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1900 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1902 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1903 ffio_wfourcc(pb, "uuid");
1904 ffio_wfourcc(pb, "USMT");
1905 avio_wb32(pb, 0x21d24fce);
1906 avio_wb32(pb, 0xbb88695c);
1907 avio_wb32(pb, 0xfac9c740);
1908 avio_wb32(pb, 0x1c); // another size here!
1909 ffio_wfourcc(pb, "MTDT");
1910 avio_wb32(pb, 0x00010012);
1911 avio_wb32(pb, 0x0a);
1912 avio_wb32(pb, 0x55c40000);
1918 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1920 AVFormatContext *ctx = track->rtp_ctx;
1921 char buf[1000] = "";
1924 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1925 NULL, NULL, 0, 0, ctx);
1926 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1929 avio_wb32(pb, len + 24);
1930 ffio_wfourcc(pb, "udta");
1931 avio_wb32(pb, len + 16);
1932 ffio_wfourcc(pb, "hnti");
1933 avio_wb32(pb, len + 8);
1934 ffio_wfourcc(pb, "sdp ");
1935 avio_write(pb, buf, len);
1939 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1940 MOVTrack *track, AVStream *st)
1942 int64_t pos = avio_tell(pb);
1943 avio_wb32(pb, 0); /* size */
1944 ffio_wfourcc(pb, "trak");
1945 mov_write_tkhd_tag(pb, track, st);
1946 if (supports_edts(mov))
1947 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1948 if (track->tref_tag)
1949 mov_write_tref_tag(pb, track);
1950 mov_write_mdia_tag(pb, track);
1951 if (track->mode == MODE_PSP)
1952 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1953 if (track->tag == MKTAG('r','t','p',' '))
1954 mov_write_udta_sdp(pb, track);
1955 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1956 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1957 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1958 mov_write_tapt_tag(pb, track);
1960 return update_size(pb, pos);
1963 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1965 int i, has_audio = 0, has_video = 0;
1966 int64_t pos = avio_tell(pb);
1967 int audio_profile = mov->iods_audio_profile;
1968 int video_profile = mov->iods_video_profile;
1969 for (i = 0; i < mov->nb_streams; i++) {
1970 if (mov->tracks[i].entry > 0) {
1971 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1972 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1975 if (audio_profile < 0)
1976 audio_profile = 0xFF - has_audio;
1977 if (video_profile < 0)
1978 video_profile = 0xFF - has_video;
1979 avio_wb32(pb, 0x0); /* size */
1980 ffio_wfourcc(pb, "iods");
1981 avio_wb32(pb, 0); /* version & flags */
1982 put_descr(pb, 0x10, 7);
1983 avio_wb16(pb, 0x004f);
1986 avio_w8(pb, audio_profile);
1987 avio_w8(pb, video_profile);
1989 return update_size(pb, pos);
1992 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1994 avio_wb32(pb, 0x20); /* size */
1995 ffio_wfourcc(pb, "trex");
1996 avio_wb32(pb, 0); /* version & flags */
1997 avio_wb32(pb, track->track_id); /* track ID */
1998 avio_wb32(pb, 1); /* default sample description index */
1999 avio_wb32(pb, 0); /* default sample duration */
2000 avio_wb32(pb, 0); /* default sample size */
2001 avio_wb32(pb, 0); /* default sample flags */
2005 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2007 int64_t pos = avio_tell(pb);
2009 avio_wb32(pb, 0x0); /* size */
2010 ffio_wfourcc(pb, "mvex");
2011 for (i = 0; i < mov->nb_streams; i++)
2012 mov_write_trex_tag(pb, &mov->tracks[i]);
2013 return update_size(pb, pos);
2016 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2018 int max_track_id = 1, i;
2019 int64_t max_track_len_temp, max_track_len = 0;
2022 for (i = 0; i < mov->nb_streams; i++) {
2023 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2024 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2026 mov->tracks[i].timescale,
2028 if (max_track_len < max_track_len_temp)
2029 max_track_len = max_track_len_temp;
2030 if (max_track_id < mov->tracks[i].track_id)
2031 max_track_id = mov->tracks[i].track_id;
2035 version = max_track_len < UINT32_MAX ? 0 : 1;
2036 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2037 ffio_wfourcc(pb, "mvhd");
2038 avio_w8(pb, version);
2039 avio_wb24(pb, 0); /* flags */
2041 avio_wb64(pb, mov->time);
2042 avio_wb64(pb, mov->time);
2044 avio_wb32(pb, mov->time); /* creation time */
2045 avio_wb32(pb, mov->time); /* modification time */
2047 avio_wb32(pb, MOV_TIMESCALE);
2048 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2050 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2051 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2052 avio_wb16(pb, 0); /* reserved */
2053 avio_wb32(pb, 0); /* reserved */
2054 avio_wb32(pb, 0); /* reserved */
2056 /* Matrix structure */
2057 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2059 avio_wb32(pb, 0); /* reserved (preview time) */
2060 avio_wb32(pb, 0); /* reserved (preview duration) */
2061 avio_wb32(pb, 0); /* reserved (poster time) */
2062 avio_wb32(pb, 0); /* reserved (selection time) */
2063 avio_wb32(pb, 0); /* reserved (selection duration) */
2064 avio_wb32(pb, 0); /* reserved (current time) */
2065 avio_wb32(pb, max_track_id + 1); /* Next track id */
2069 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2072 avio_wb32(pb, 33); /* size */
2073 ffio_wfourcc(pb, "hdlr");
2076 ffio_wfourcc(pb, "mdir");
2077 ffio_wfourcc(pb, "appl");
2084 /* helper function to write a data tag with the specified string as data */
2085 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2088 int size = 16 + strlen(data);
2089 avio_wb32(pb, size); /* size */
2090 ffio_wfourcc(pb, "data");
2093 avio_write(pb, data, strlen(data));
2097 lang = ff_mov_iso639_to_lang("und", 1);
2098 avio_wb16(pb, strlen(data)); /* string length */
2099 avio_wb16(pb, lang);
2100 avio_write(pb, data, strlen(data));
2101 return strlen(data) + 4;
2105 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2106 const char *value, int lang, int long_style)
2109 if (value && value[0]) {
2110 int64_t pos = avio_tell(pb);
2111 avio_wb32(pb, 0); /* size */
2112 ffio_wfourcc(pb, name);
2113 mov_write_string_data_tag(pb, value, lang, long_style);
2114 size = update_size(pb, pos);
2119 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2120 const char *name, const char *tag,
2123 int l, lang = 0, len, len2;
2124 AVDictionaryEntry *t, *t2 = NULL;
2127 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2130 len = strlen(t->key);
2131 snprintf(tag2, sizeof(tag2), "%s-", tag);
2132 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2133 len2 = strlen(t2->key);
2134 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2135 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2140 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2143 /* iTunes bpm number */
2144 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2146 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2147 int size = 0, tmpo = t ? atoi(t->value) : 0;
2150 avio_wb32(pb, size);
2151 ffio_wfourcc(pb, "tmpo");
2152 avio_wb32(pb, size-8); /* size */
2153 ffio_wfourcc(pb, "data");
2154 avio_wb32(pb, 0x15); //type specifier
2156 avio_wb16(pb, tmpo); // data
2161 /* iTunes track or disc number */
2162 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2163 AVFormatContext *s, int disc)
2165 AVDictionaryEntry *t = av_dict_get(s->metadata,
2166 disc ? "disc" : "track",
2168 int size = 0, track = t ? atoi(t->value) : 0;
2171 char *slash = strchr(t->value, '/');
2173 tracks = atoi(slash + 1);
2174 avio_wb32(pb, 32); /* size */
2175 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2176 avio_wb32(pb, 24); /* size */
2177 ffio_wfourcc(pb, "data");
2178 avio_wb32(pb, 0); // 8 bytes empty
2180 avio_wb16(pb, 0); // empty
2181 avio_wb16(pb, track); // track / disc number
2182 avio_wb16(pb, tracks); // total track / disc number
2183 avio_wb16(pb, 0); // empty
2189 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2190 const char *name, const char *tag,
2193 AVDictionaryEntry *t = NULL;
2195 int size = 24 + len;
2197 if (len != 1 && len != 4)
2200 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2202 num = atoi(t->value);
2204 avio_wb32(pb, size);
2205 ffio_wfourcc(pb, name);
2206 avio_wb32(pb, size - 8);
2207 ffio_wfourcc(pb, "data");
2208 avio_wb32(pb, 0x15);
2210 if (len==4) avio_wb32(pb, num);
2211 else avio_w8 (pb, num);
2216 /* iTunes meta data list */
2217 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2220 int64_t pos = avio_tell(pb);
2221 avio_wb32(pb, 0); /* size */
2222 ffio_wfourcc(pb, "ilst");
2223 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2224 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2225 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2226 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2227 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2228 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2230 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2231 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2232 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2233 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2234 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2235 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2236 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2237 mov_write_string_metadata(s, pb, "desc", "description",1);
2238 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2239 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2240 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2241 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2242 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2243 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2244 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2245 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2246 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2247 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2248 mov_write_trkn_tag(pb, mov, s, 0); // track number
2249 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2250 mov_write_tmpo_tag(pb, s);
2251 return update_size(pb, pos);
2254 /* iTunes meta data tag */
2255 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2259 int64_t pos = avio_tell(pb);
2260 avio_wb32(pb, 0); /* size */
2261 ffio_wfourcc(pb, "meta");
2263 mov_write_itunes_hdlr_tag(pb, mov, s);
2264 mov_write_ilst_tag(pb, mov, s);
2265 size = update_size(pb, pos);
2269 static int utf8len(const uint8_t *b)
2274 GET_UTF8(val, *b++, return -1;)
2280 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2284 GET_UTF8(val, *b++, return -1;)
2287 avio_wb16(pb, 0x00);
2291 static uint16_t language_code(const char *str)
2293 return (((str[0] - 0x60) & 0x1F) << 10) +
2294 (((str[1] - 0x60) & 0x1F) << 5) +
2295 (( str[2] - 0x60) & 0x1F);
2298 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2299 const char *tag, const char *str)
2301 int64_t pos = avio_tell(pb);
2302 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2303 if (!t || !utf8len(t->value))
2305 avio_wb32(pb, 0); /* size */
2306 ffio_wfourcc(pb, tag); /* type */
2307 avio_wb32(pb, 0); /* version + flags */
2308 if (!strcmp(tag, "yrrc"))
2309 avio_wb16(pb, atoi(t->value));
2311 avio_wb16(pb, language_code("eng")); /* language */
2312 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2313 if (!strcmp(tag, "albm") &&
2314 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2315 avio_w8(pb, atoi(t->value));
2317 return update_size(pb, pos);
2320 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2322 int64_t pos = avio_tell(pb);
2323 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2325 avio_wb32(pb, 0); // size
2326 ffio_wfourcc(pb, "chpl");
2327 avio_wb32(pb, 0x01000000); // version + flags
2328 avio_wb32(pb, 0); // unknown
2329 avio_w8(pb, nb_chapters);
2331 for (i = 0; i < nb_chapters; i++) {
2332 AVChapter *c = s->chapters[i];
2333 AVDictionaryEntry *t;
2334 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2336 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2337 int len = FFMIN(strlen(t->value), 255);
2339 avio_write(pb, t->value, len);
2343 return update_size(pb, pos);
2346 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2349 AVIOContext *pb_buf;
2353 ret = avio_open_dyn_buf(&pb_buf);
2357 if (mov->mode & MODE_3GP) {
2358 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2359 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2360 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2361 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2362 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2363 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2364 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2365 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2366 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2367 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2368 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2369 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2370 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2371 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2372 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2373 // currently ignored by mov.c
2374 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2375 // add support for libquicktime, this atom is also actually read by mov.c
2376 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2377 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2378 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2380 /* iTunes meta data */
2381 mov_write_meta_tag(pb_buf, mov, s);
2385 mov_write_chpl_tag(pb_buf, s);
2387 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2388 avio_wb32(pb, size + 8);
2389 ffio_wfourcc(pb, "udta");
2390 avio_write(pb, buf, size);
2397 static void mov_write_psp_udta_tag(AVIOContext *pb,
2398 const char *str, const char *lang, int type)
2400 int len = utf8len(str) + 1;
2403 avio_wb16(pb, len * 2 + 10); /* size */
2404 avio_wb32(pb, type); /* type */
2405 avio_wb16(pb, language_code(lang)); /* language */
2406 avio_wb16(pb, 0x01); /* ? */
2407 ascii_to_wc(pb, str);
2410 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2412 MOVMuxContext *mov = s->priv_data;
2413 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2417 pos = avio_tell(pb);
2418 avio_wb32(pb, 0); /* size placeholder*/
2419 ffio_wfourcc(pb, "uuid");
2420 ffio_wfourcc(pb, "USMT");
2421 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2422 avio_wb32(pb, 0xbb88695c);
2423 avio_wb32(pb, 0xfac9c740);
2425 pos2 = avio_tell(pb);
2426 avio_wb32(pb, 0); /* size placeholder*/
2427 ffio_wfourcc(pb, "MTDT");
2431 avio_wb16(pb, 0x0C); /* size */
2432 avio_wb32(pb, 0x0B); /* type */
2433 avio_wb16(pb, language_code("und")); /* language */
2434 avio_wb16(pb, 0x0); /* ? */
2435 avio_wb16(pb, 0x021C); /* data */
2438 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2439 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2440 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2442 update_size(pb, pos2);
2443 return update_size(pb, pos);
2449 static void build_chunks(MOVTrack *trk)
2452 MOVIentry *chunk = &trk->cluster[0];
2453 uint64_t chunkSize = chunk->size;
2454 chunk->chunkNum = 1;
2455 if (trk->chunkCount)
2457 trk->chunkCount = 1;
2458 for (i = 1; i<trk->entry; i++){
2459 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2460 chunkSize + trk->cluster[i].size < (1<<20)){
2461 chunkSize += trk->cluster[i].size;
2462 chunk->samples_in_chunk += trk->cluster[i].entries;
2464 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2465 chunk=&trk->cluster[i];
2466 chunkSize = chunk->size;
2472 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2476 int64_t pos = avio_tell(pb);
2477 avio_wb32(pb, 0); /* size placeholder*/
2478 ffio_wfourcc(pb, "moov");
2480 for (i = 0; i < mov->nb_streams; i++) {
2481 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2484 mov->tracks[i].time = mov->time;
2485 mov->tracks[i].track_id = i + 1;
2487 if (mov->tracks[i].entry)
2488 build_chunks(&mov->tracks[i]);
2491 if (mov->chapter_track)
2492 for (i = 0; i < s->nb_streams; i++) {
2493 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2494 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2496 for (i = 0; i < mov->nb_streams; i++) {
2497 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2498 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2499 mov->tracks[i].tref_id =
2500 mov->tracks[mov->tracks[i].src_track].track_id;
2503 for (i = 0; i < mov->nb_streams; i++) {
2504 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2505 int src_trk = mov->tracks[i].src_track;
2506 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2507 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2508 //src_trk may have a different timescale than the tmcd track
2509 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
2510 mov->tracks[i].timescale,
2511 mov->tracks[src_trk].timescale);
2515 mov_write_mvhd_tag(pb, mov);
2516 if (mov->mode != MODE_MOV && !mov->iods_skip)
2517 mov_write_iods_tag(pb, mov);
2518 for (i = 0; i < mov->nb_streams; i++) {
2519 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2520 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2523 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2524 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2526 if (mov->mode == MODE_PSP)
2527 mov_write_uuidusmt_tag(pb, s);
2529 mov_write_udta_tag(pb, mov, s);
2531 return update_size(pb, pos);
2534 static void param_write_int(AVIOContext *pb, const char *name, int value)
2536 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2539 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2541 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2544 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2547 len = FFMIN(sizeof(buf) / 2 - 1, len);
2548 ff_data_to_hex(buf, value, len, 0);
2549 buf[2 * len] = '\0';
2550 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2553 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2555 int64_t pos = avio_tell(pb);
2557 static const uint8_t uuid[] = {
2558 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2559 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2563 ffio_wfourcc(pb, "uuid");
2564 avio_write(pb, uuid, sizeof(uuid));
2567 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2568 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2569 avio_printf(pb, "<head>\n");
2571 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2573 avio_printf(pb, "</head>\n");
2574 avio_printf(pb, "<body>\n");
2575 avio_printf(pb, "<switch>\n");
2576 for (i = 0; i < mov->nb_streams; i++) {
2577 MOVTrack *track = &mov->tracks[i];
2579 /* track->track_id is initialized in write_moov, and thus isn't known
2581 int track_id = i + 1;
2583 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2585 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2590 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2591 track->enc->bit_rate);
2592 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2593 param_write_int(pb, "trackID", track_id);
2594 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2595 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2597 int size = track->enc->extradata_size;
2598 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2600 param_write_hex(pb, "CodecPrivateData",
2601 ptr ? ptr : track->enc->extradata,
2605 param_write_string(pb, "FourCC", "H264");
2606 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2607 param_write_string(pb, "FourCC", "WVC1");
2608 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2609 track->enc->extradata_size);
2611 param_write_int(pb, "MaxWidth", track->enc->width);
2612 param_write_int(pb, "MaxHeight", track->enc->height);
2613 param_write_int(pb, "DisplayWidth", track->enc->width);
2614 param_write_int(pb, "DisplayHeight", track->enc->height);
2616 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2617 param_write_string(pb, "FourCC", "AACL");
2618 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2619 param_write_string(pb, "FourCC", "WMAP");
2621 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2622 track->enc->extradata_size);
2623 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2624 track->enc->codec_id));
2625 param_write_int(pb, "Channels", track->enc->channels);
2626 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2627 param_write_int(pb, "BitsPerSample", 16);
2628 param_write_int(pb, "PacketSize", track->enc->block_align ?
2629 track->enc->block_align : 4);
2631 avio_printf(pb, "</%s>\n", type);
2633 avio_printf(pb, "</switch>\n");
2634 avio_printf(pb, "</body>\n");
2635 avio_printf(pb, "</smil>\n");
2637 return update_size(pb, pos);
2640 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2643 ffio_wfourcc(pb, "mfhd");
2645 avio_wb32(pb, mov->fragments);
2649 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2650 MOVTrack *track, int64_t moof_offset)
2652 int64_t pos = avio_tell(pb);
2653 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2654 MOV_TFHD_BASE_DATA_OFFSET;
2655 if (!track->entry) {
2656 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2658 flags |= MOV_TFHD_DEFAULT_FLAGS;
2660 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2661 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2663 /* Don't set a default sample size, the silverlight player refuses
2664 * to play files with that set. Don't set a default sample duration,
2665 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2666 * file format says it MUST NOT be set. */
2667 if (track->mode == MODE_ISM)
2668 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2669 MOV_TFHD_BASE_DATA_OFFSET);
2671 avio_wb32(pb, 0); /* size placeholder */
2672 ffio_wfourcc(pb, "tfhd");
2673 avio_w8(pb, 0); /* version */
2674 avio_wb24(pb, flags);
2676 avio_wb32(pb, track->track_id); /* track-id */
2677 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2678 avio_wb64(pb, moof_offset);
2679 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2680 track->default_duration = get_cluster_duration(track, 0);
2681 avio_wb32(pb, track->default_duration);
2683 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2684 track->default_size = track->entry ? track->cluster[0].size : 1;
2685 avio_wb32(pb, track->default_size);
2687 track->default_size = -1;
2689 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2690 track->default_sample_flags =
2691 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2692 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2693 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2694 avio_wb32(pb, track->default_sample_flags);
2697 return update_size(pb, pos);
2700 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2702 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2703 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2706 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2707 MOVTrack *track, int moof_size)
2709 int64_t pos = avio_tell(pb);
2710 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2713 for (i = 0; i < track->entry; i++) {
2714 if (get_cluster_duration(track, i) != track->default_duration)
2715 flags |= MOV_TRUN_SAMPLE_DURATION;
2716 if (track->cluster[i].size != track->default_size)
2717 flags |= MOV_TRUN_SAMPLE_SIZE;
2718 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2719 flags |= MOV_TRUN_SAMPLE_FLAGS;
2721 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2722 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2723 if (track->flags & MOV_TRACK_CTTS)
2724 flags |= MOV_TRUN_SAMPLE_CTS;
2726 avio_wb32(pb, 0); /* size placeholder */
2727 ffio_wfourcc(pb, "trun");
2728 avio_w8(pb, 0); /* version */
2729 avio_wb24(pb, flags);
2731 avio_wb32(pb, track->entry); /* sample count */
2732 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2733 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2734 track->track_id != 1)
2735 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2737 avio_wb32(pb, moof_size + 8 + track->data_offset +
2738 track->cluster[0].pos); /* data offset */
2739 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2740 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2742 for (i = 0; i < track->entry; i++) {
2743 if (flags & MOV_TRUN_SAMPLE_DURATION)
2744 avio_wb32(pb, get_cluster_duration(track, i));
2745 if (flags & MOV_TRUN_SAMPLE_SIZE)
2746 avio_wb32(pb, track->cluster[i].size);
2747 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2748 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2749 if (flags & MOV_TRUN_SAMPLE_CTS)
2750 avio_wb32(pb, track->cluster[i].cts);
2753 return update_size(pb, pos);
2756 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2758 int64_t pos = avio_tell(pb);
2759 static const uint8_t uuid[] = {
2760 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2761 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2764 avio_wb32(pb, 0); /* size placeholder */
2765 ffio_wfourcc(pb, "uuid");
2766 avio_write(pb, uuid, sizeof(uuid));
2769 avio_wb64(pb, track->frag_start);
2770 avio_wb64(pb, track->start_dts + track->track_duration -
2771 track->cluster[0].dts);
2773 return update_size(pb, pos);
2776 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2777 MOVTrack *track, int entry)
2779 int n = track->nb_frag_info - 1 - entry, i;
2780 int size = 8 + 16 + 4 + 1 + 16*n;
2781 static const uint8_t uuid[] = {
2782 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2783 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2789 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2790 avio_wb32(pb, size);
2791 ffio_wfourcc(pb, "uuid");
2792 avio_write(pb, uuid, sizeof(uuid));
2796 for (i = 0; i < n; i++) {
2797 int index = entry + 1 + i;
2798 avio_wb64(pb, track->frag_info[index].time);
2799 avio_wb64(pb, track->frag_info[index].duration);
2801 if (n < mov->ism_lookahead) {
2802 int free_size = 16 * (mov->ism_lookahead - n);
2803 avio_wb32(pb, free_size);
2804 ffio_wfourcc(pb, "free");
2805 ffio_fill(pb, 0, free_size - 8);
2811 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2814 int64_t pos = avio_tell(pb);
2816 for (i = 0; i < mov->ism_lookahead; i++) {
2817 /* Update the tfrf tag for the last ism_lookahead fragments,
2818 * nb_frag_info - 1 is the next fragment to be written. */
2819 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2821 avio_seek(pb, pos, SEEK_SET);
2825 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2826 MOVTrack *track, int64_t moof_offset,
2829 int64_t pos = avio_tell(pb);
2830 avio_wb32(pb, 0); /* size placeholder */
2831 ffio_wfourcc(pb, "traf");
2833 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2834 mov_write_trun_tag(pb, mov, track, moof_size);
2835 if (mov->mode == MODE_ISM) {
2836 mov_write_tfxd_tag(pb, track);
2838 if (mov->ism_lookahead) {
2839 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2841 track->tfrf_offset = avio_tell(pb);
2842 avio_wb32(pb, 8 + size);
2843 ffio_wfourcc(pb, "free");
2844 for (i = 0; i < size; i++)
2849 return update_size(pb, pos);
2852 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2853 int tracks, int moof_size)
2855 int64_t pos = avio_tell(pb);
2858 avio_wb32(pb, 0); /* size placeholder */
2859 ffio_wfourcc(pb, "moof");
2861 mov_write_mfhd_tag(pb, mov);
2862 for (i = 0; i < mov->nb_streams; i++) {
2863 MOVTrack *track = &mov->tracks[i];
2864 if (tracks >= 0 && i != tracks)
2868 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2871 return update_size(pb, pos);
2874 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2876 AVIOContext *avio_buf;
2879 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2881 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2882 moof_size = ffio_close_null_buf(avio_buf);
2883 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2886 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2888 int64_t pos = avio_tell(pb);
2891 avio_wb32(pb, 0); /* size placeholder */
2892 ffio_wfourcc(pb, "tfra");
2893 avio_w8(pb, 1); /* version */
2896 avio_wb32(pb, track->track_id);
2897 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2898 avio_wb32(pb, track->nb_frag_info);
2899 for (i = 0; i < track->nb_frag_info; i++) {
2900 avio_wb64(pb, track->frag_info[i].time);
2901 avio_wb64(pb, track->frag_info[i].offset);
2902 avio_w8(pb, 1); /* traf number */
2903 avio_w8(pb, 1); /* trun number */
2904 avio_w8(pb, 1); /* sample number */
2907 return update_size(pb, pos);
2910 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2912 int64_t pos = avio_tell(pb);
2915 avio_wb32(pb, 0); /* size placeholder */
2916 ffio_wfourcc(pb, "mfra");
2917 /* An empty mfra atom is enough to indicate to the publishing point that
2918 * the stream has ended. */
2919 if (mov->flags & FF_MOV_FLAG_ISML)
2920 return update_size(pb, pos);
2922 for (i = 0; i < mov->nb_streams; i++) {
2923 MOVTrack *track = &mov->tracks[i];
2924 if (track->nb_frag_info)
2925 mov_write_tfra_tag(pb, track);
2929 ffio_wfourcc(pb, "mfro");
2930 avio_wb32(pb, 0); /* version + flags */
2931 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2933 return update_size(pb, pos);
2936 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2938 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2939 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2941 mov->mdat_pos = avio_tell(pb);
2942 avio_wb32(pb, 0); /* size placeholder*/
2943 ffio_wfourcc(pb, "mdat");
2947 /* TODO: This needs to be more general */
2948 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2950 MOVMuxContext *mov = s->priv_data;
2951 int64_t pos = avio_tell(pb);
2952 int has_h264 = 0, has_video = 0;
2956 for (i = 0; i < s->nb_streams; i++) {
2957 AVStream *st = s->streams[i];
2958 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2960 if (st->codec->codec_id == AV_CODEC_ID_H264)
2964 avio_wb32(pb, 0); /* size */
2965 ffio_wfourcc(pb, "ftyp");
2967 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2968 ffio_wfourcc(pb, mov->major_brand);
2969 else if (mov->mode == MODE_3GP) {
2970 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2971 minor = has_h264 ? 0x100 : 0x200;
2972 } else if (mov->mode & MODE_3G2) {
2973 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2974 minor = has_h264 ? 0x20000 : 0x10000;
2975 } else if (mov->mode == MODE_PSP)
2976 ffio_wfourcc(pb, "MSNV");
2977 else if (mov->mode == MODE_MP4)
2978 ffio_wfourcc(pb, "isom");
2979 else if (mov->mode == MODE_IPOD)
2980 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2981 else if (mov->mode == MODE_ISM)
2982 ffio_wfourcc(pb, "isml");
2983 else if (mov->mode == MODE_F4V)
2984 ffio_wfourcc(pb, "f4v ");
2986 ffio_wfourcc(pb, "qt ");
2988 avio_wb32(pb, minor);
2990 if (mov->mode == MODE_MOV)
2991 ffio_wfourcc(pb, "qt ");
2992 else if (mov->mode == MODE_ISM) {
2993 ffio_wfourcc(pb, "piff");
2994 ffio_wfourcc(pb, "iso2");
2996 ffio_wfourcc(pb, "isom");
2997 ffio_wfourcc(pb, "iso2");
2999 ffio_wfourcc(pb, "avc1");
3002 if (mov->mode == MODE_3GP)
3003 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3004 else if (mov->mode & MODE_3G2)
3005 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3006 else if (mov->mode == MODE_PSP)
3007 ffio_wfourcc(pb, "MSNV");
3008 else if (mov->mode == MODE_MP4)
3009 ffio_wfourcc(pb, "mp41");
3010 return update_size(pb, pos);
3013 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3015 AVCodecContext *video_codec = s->streams[0]->codec;
3016 AVCodecContext *audio_codec = s->streams[1]->codec;
3017 int audio_rate = audio_codec->sample_rate;
3018 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
3019 int audio_kbitrate = audio_codec->bit_rate / 1000;
3020 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3022 avio_wb32(pb, 0x94); /* size */
3023 ffio_wfourcc(pb, "uuid");
3024 ffio_wfourcc(pb, "PROF");
3026 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3027 avio_wb32(pb, 0xbb88695c);
3028 avio_wb32(pb, 0xfac9c740);
3030 avio_wb32(pb, 0x0); /* ? */
3031 avio_wb32(pb, 0x3); /* 3 sections ? */
3033 avio_wb32(pb, 0x14); /* size */
3034 ffio_wfourcc(pb, "FPRF");
3035 avio_wb32(pb, 0x0); /* ? */
3036 avio_wb32(pb, 0x0); /* ? */
3037 avio_wb32(pb, 0x0); /* ? */
3039 avio_wb32(pb, 0x2c); /* size */
3040 ffio_wfourcc(pb, "APRF"); /* audio */
3042 avio_wb32(pb, 0x2); /* TrackID */
3043 ffio_wfourcc(pb, "mp4a");
3044 avio_wb32(pb, 0x20f);
3046 avio_wb32(pb, audio_kbitrate);
3047 avio_wb32(pb, audio_kbitrate);
3048 avio_wb32(pb, audio_rate);
3049 avio_wb32(pb, audio_codec->channels);
3051 avio_wb32(pb, 0x34); /* size */
3052 ffio_wfourcc(pb, "VPRF"); /* video */
3054 avio_wb32(pb, 0x1); /* TrackID */
3055 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3056 ffio_wfourcc(pb, "avc1");
3057 avio_wb16(pb, 0x014D);
3058 avio_wb16(pb, 0x0015);
3060 ffio_wfourcc(pb, "mp4v");
3061 avio_wb16(pb, 0x0000);
3062 avio_wb16(pb, 0x0103);
3065 avio_wb32(pb, video_kbitrate);
3066 avio_wb32(pb, video_kbitrate);
3067 avio_wb32(pb, frame_rate);
3068 avio_wb32(pb, frame_rate);
3069 avio_wb16(pb, video_codec->width);
3070 avio_wb16(pb, video_codec->height);
3071 avio_wb32(pb, 0x010001); /* ? */
3074 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3077 int i, closed_gop = 0;
3079 for (i = 0; i < pkt->size - 4; i++) {
3080 c = (c << 8) + pkt->data[i];
3081 if (c == 0x1b8) { // gop
3082 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3083 } else if (c == 0x100) { // pic
3084 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3085 if (!temp_ref || closed_gop) // I picture is not reordered
3086 *flags = MOV_SYNC_SAMPLE;
3088 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3095 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3097 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3098 int seq = 0, entry = 0;
3099 int key = pkt->flags & AV_PKT_FLAG_KEY;
3100 start = find_next_marker(pkt->data, end);
3101 for (next = start; next < end; start = next) {
3102 next = find_next_marker(start + 4, end);
3103 switch (AV_RB32(start)) {
3104 case VC1_CODE_SEQHDR:
3107 case VC1_CODE_ENTRYPOINT:
3110 case VC1_CODE_SLICE:
3111 trk->vc1_info.slices = 1;
3115 if (!trk->entry && !fragment) {
3116 /* First packet in first fragment */
3117 trk->vc1_info.first_packet_seq = seq;
3118 trk->vc1_info.first_packet_entry = entry;
3119 } else if ((seq && !trk->vc1_info.packet_seq) ||
3120 (entry && !trk->vc1_info.packet_entry)) {
3122 for (i = 0; i < trk->entry; i++)
3123 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3124 trk->has_keyframes = 0;
3126 trk->vc1_info.packet_seq = 1;
3128 trk->vc1_info.packet_entry = 1;
3130 /* First fragment */
3131 if ((!seq || trk->vc1_info.first_packet_seq) &&
3132 (!entry || trk->vc1_info.first_packet_entry)) {
3133 /* First packet had the same headers as this one, readd the
3134 * sync sample flag. */
3135 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3136 trk->has_keyframes = 1;
3140 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3142 else if (trk->vc1_info.packet_seq)
3144 else if (trk->vc1_info.packet_entry)
3147 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3148 trk->has_keyframes++;
3152 static int mov_flush_fragment(AVFormatContext *s)
3154 MOVMuxContext *mov = s->priv_data;
3155 int i, first_track = -1;
3156 int64_t mdat_size = 0;
3158 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3161 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3162 int64_t pos = avio_tell(s->pb);
3164 int buf_size, moov_size;
3166 for (i = 0; i < mov->nb_streams; i++)
3167 if (!mov->tracks[i].entry)
3169 /* Don't write the initial moov unless all tracks have data */
3170 if (i < mov->nb_streams)
3173 moov_size = get_moov_size(s);
3174 for (i = 0; i < mov->nb_streams; i++)
3175 mov->tracks[i].data_offset = pos + moov_size + 8;
3177 mov_write_moov_tag(s->pb, mov, s);
3179 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3180 mov->mdat_buf = NULL;
3181 avio_wb32(s->pb, buf_size + 8);
3182 ffio_wfourcc(s->pb, "mdat");
3183 avio_write(s->pb, buf, buf_size);
3188 for (i = 0; i < mov->nb_streams; i++) {
3189 if (mov->tracks[i].entry)
3190 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3191 mov->tracks[i].track_duration -
3192 mov->tracks[i].cluster[0].dts;
3193 mov->tracks[i].entry = 0;
3199 for (i = 0; i < mov->nb_streams; i++) {
3200 MOVTrack *track = &mov->tracks[i];
3201 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3202 track->data_offset = 0;
3204 track->data_offset = mdat_size;
3205 if (!track->mdat_buf)
3207 mdat_size += avio_tell(track->mdat_buf);
3208 if (first_track < 0)
3215 for (i = 0; i < mov->nb_streams; i++) {
3216 MOVTrack *track = &mov->tracks[i];
3217 int buf_size, write_moof = 1, moof_tracks = -1;
3219 int64_t duration = 0;
3222 duration = track->start_dts + track->track_duration -
3223 track->cluster[0].dts;
3224 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3225 if (!track->mdat_buf)
3227 mdat_size = avio_tell(track->mdat_buf);
3230 write_moof = i == first_track;
3234 MOVFragmentInfo *info;
3236 track->nb_frag_info++;
3237 if (track->nb_frag_info >= track->frag_info_capacity) {
3238 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3239 if (av_reallocp_array(&track->frag_info,
3241 sizeof(*track->frag_info)))
3242 return AVERROR(ENOMEM);
3243 track->frag_info_capacity = new_capacity;
3245 info = &track->frag_info[track->nb_frag_info - 1];
3246 info->offset = avio_tell(s->pb);
3247 info->time = mov->tracks[i].frag_start;
3248 info->duration = duration;
3249 mov_write_tfrf_tags(s->pb, mov, track);
3251 mov_write_moof_tag(s->pb, mov, moof_tracks);
3252 info->tfrf_offset = track->tfrf_offset;
3255 avio_wb32(s->pb, mdat_size + 8);
3256 ffio_wfourcc(s->pb, "mdat");
3260 track->frag_start += duration;
3262 if (!track->mdat_buf)
3264 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3265 track->mdat_buf = NULL;
3267 avio_write(s->pb, buf, buf_size);
3277 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3279 MOVMuxContext *mov = s->priv_data;
3280 AVIOContext *pb = s->pb;
3281 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3282 AVCodecContext *enc = trk->enc;
3283 unsigned int samples_in_chunk = 0;
3284 int size = pkt->size;
3285 uint8_t *reformatted_data = NULL;
3288 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3289 if (duration < 0 || duration > INT_MAX) {
3290 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3294 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3295 pkt->pts = AV_NOPTS_VALUE;
3298 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3300 if (mov->fragments > 0) {
3301 if (!trk->mdat_buf) {
3302 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3307 if (!mov->mdat_buf) {
3308 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3315 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3316 /* We must find out how many AMR blocks there are in one packet */
3317 static uint16_t packed_size[16] =
3318 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3321 while (len < size && samples_in_chunk < 100) {
3322 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3325 if (samples_in_chunk > 1) {
3326 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3329 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3330 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3331 samples_in_chunk = enc->frame_size;
3332 } else if (trk->sample_size)
3333 samples_in_chunk = size / trk->sample_size;
3335 samples_in_chunk = 1;
3337 /* copy extradata if it exists */
3338 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3339 trk->vos_len = enc->extradata_size;
3340 trk->vos_data = av_malloc(trk->vos_len);
3341 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3344 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3345 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3346 if (!s->streams[pkt->stream_index]->nb_frames) {
3347 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3348 "use audio bitstream filter 'aac_adtstoasc' to fix it "
3349 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3352 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3354 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3355 /* from x264 or from bytestream h264 */
3356 /* nal reformating needed */
3357 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3358 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3360 avio_write(pb, reformatted_data, size);
3362 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3364 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3365 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3366 /* extradata is Annex B, assume the bitstream is too and convert it */
3367 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3368 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3369 avio_write(pb, reformatted_data, size);
3371 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3374 avio_write(pb, pkt->data, size);
3377 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3378 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3379 /* copy frame to create needed atoms */
3380 trk->vos_len = size;
3381 trk->vos_data = av_malloc(size);
3383 return AVERROR(ENOMEM);
3384 memcpy(trk->vos_data, pkt->data, size);
3387 if (trk->entry >= trk->cluster_capacity) {
3388 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3389 if (av_reallocp_array(&trk->cluster, new_capacity,
3390 sizeof(*trk->cluster)))
3391 return AVERROR(ENOMEM);
3392 trk->cluster_capacity = new_capacity;
3395 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3396 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3397 trk->cluster[trk->entry].chunkNum = 0;
3398 trk->cluster[trk->entry].size = size;
3399 trk->cluster[trk->entry].entries = samples_in_chunk;
3400 trk->cluster[trk->entry].dts = pkt->dts;
3401 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3402 /* First packet of a new fragment. We already wrote the duration
3403 * of the last packet of the previous fragment based on track_duration,
3404 * which might not exactly match our dts. Therefore adjust the dts
3405 * of this packet to be what the previous packets duration implies. */
3406 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3408 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3409 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3411 if (trk->start_dts == AV_NOPTS_VALUE)
3412 trk->start_dts = pkt->dts;
3413 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3414 trk->last_sample_is_subtitle_end = 0;
3416 if (pkt->pts == AV_NOPTS_VALUE) {
3417 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3418 pkt->pts = pkt->dts;
3420 if (pkt->dts != pkt->pts)
3421 trk->flags |= MOV_TRACK_CTTS;
3422 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3423 trk->cluster[trk->entry].flags = 0;
3424 if (enc->codec_id == AV_CODEC_ID_VC1) {
3425 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3426 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3427 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3428 trk->entry > 0) { // force sync sample for the first key frame
3429 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3430 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3431 trk->flags |= MOV_TRACK_STPS;
3433 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3435 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3436 trk->has_keyframes++;
3439 trk->sample_count += samples_in_chunk;
3440 mov->mdat_size += size;
3442 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3443 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3444 reformatted_data, size);
3445 av_free(reformatted_data);
3449 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3451 MOVMuxContext *mov = s->priv_data;
3452 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3453 AVCodecContext *enc = trk->enc;
3454 int64_t frag_duration = 0;
3455 int size = pkt->size;
3458 return 0; /* Discard 0 sized packets */
3460 if (trk->entry && pkt->stream_index < s->nb_streams)
3461 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3462 s->streams[pkt->stream_index]->time_base,
3464 if ((mov->max_fragment_duration &&
3465 frag_duration >= mov->max_fragment_duration) ||
3466 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3467 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3468 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3469 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3470 if (frag_duration >= mov->min_fragment_duration)
3471 mov_flush_fragment(s);
3474 return ff_mov_write_packet(s, pkt);
3477 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3481 uint8_t data[2] = {0};
3484 av_init_packet(&end);
3485 end.size = sizeof(data);
3490 end.stream_index = stream_index;
3492 ret = mov_write_single_packet(s, &end);
3493 av_free_packet(&end);
3498 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3501 mov_flush_fragment(s);
3505 MOVMuxContext *mov = s->priv_data;
3507 if (!pkt->size) return 0; /* Discard 0 sized packets */
3510 * Subtitles require special handling.
3512 * 1) For full complaince, every track must have a sample at
3513 * dts == 0, which is rarely true for subtitles. So, as soon
3514 * as we see any packet with dts > 0, write an empty subtitle
3515 * at dts == 0 for any subtitle track with no samples in it.
3517 * 2) For each subtitle track, check if the current packet's
3518 * dts is past the duration of the last subtitle sample. If
3519 * so, we now need to write an end sample for that subtitle.
3521 * This must be done conditionally to allow for subtitles that
3522 * immediately replace each other, in which case an end sample
3523 * is not needed, and is, in fact, actively harmful.
3525 * 3) See mov_write_trailer for how the final end sample is
3528 for (i = 0; i < mov->nb_streams; i++) {
3529 MOVTrack *trk = &mov->tracks[i];
3532 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3533 trk->track_duration < pkt->dts &&
3534 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3535 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3536 if (ret < 0) return ret;
3537 trk->last_sample_is_subtitle_end = 1;
3541 return mov_write_single_packet(s, pkt);
3545 // QuickTime chapters involve an additional text track with the chapter names
3546 // as samples, and a tref pointing from the other tracks to the chapter one.
3547 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3551 MOVMuxContext *mov = s->priv_data;
3552 MOVTrack *track = &mov->tracks[tracknum];
3553 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3556 track->mode = mov->mode;
3557 track->tag = MKTAG('t','e','x','t');
3558 track->timescale = MOV_TIMESCALE;
3559 track->enc = avcodec_alloc_context3(NULL);
3561 return AVERROR(ENOMEM);
3562 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3564 // These properties are required to make QT recognize the chapter track
3565 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3566 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
3567 return AVERROR(ENOMEM);
3568 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3570 if (avio_open_dyn_buf(&pb) >= 0) {
3574 /* Stub header (usually for Quicktime chapter track) */
3576 avio_wb32(pb, 0x01); // displayFlags
3577 avio_w8(pb, 0x00); // horizontal justification
3578 avio_w8(pb, 0x00); // vertical justification
3579 avio_w8(pb, 0x00); // bgColourRed
3580 avio_w8(pb, 0x00); // bgColourGreen
3581 avio_w8(pb, 0x00); // bgColourBlue
3582 avio_w8(pb, 0x00); // bgColourAlpha
3584 avio_wb16(pb, 0x00); // defTextBoxTop
3585 avio_wb16(pb, 0x00); // defTextBoxLeft
3586 avio_wb16(pb, 0x00); // defTextBoxBottom
3587 avio_wb16(pb, 0x00); // defTextBoxRight
3589 avio_wb16(pb, 0x00); // startChar
3590 avio_wb16(pb, 0x00); // endChar
3591 avio_wb16(pb, 0x01); // fontID
3592 avio_w8(pb, 0x00); // fontStyleFlags
3593 avio_w8(pb, 0x00); // fontSize
3594 avio_w8(pb, 0x00); // fgColourRed
3595 avio_w8(pb, 0x00); // fgColourGreen
3596 avio_w8(pb, 0x00); // fgColourBlue
3597 avio_w8(pb, 0x00); // fgColourAlpha
3599 avio_wb32(pb, 0x0D); // box size
3600 ffio_wfourcc(pb, "ftab"); // box atom name
3601 avio_wb16(pb, 0x01); // entry count
3603 avio_wb16(pb, 0x01); // font ID
3604 avio_w8(pb, 0x00); // font name length
3606 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3607 track->enc->extradata = buf;
3608 track->enc->extradata_size = size;
3615 for (i = 0; i < s->nb_chapters; i++) {
3616 AVChapter *c = s->chapters[i];
3617 AVDictionaryEntry *t;
3619 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3620 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3621 pkt.duration = end - pkt.dts;
3623 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3624 len = strlen(t->value);
3626 pkt.data = av_malloc(pkt.size);
3628 return AVERROR(ENOMEM);
3629 AV_WB16(pkt.data, len);
3630 memcpy(pkt.data + 2, t->value, len);
3631 ff_mov_write_packet(s, &pkt);
3632 av_freep(&pkt.data);
3639 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3642 MOVMuxContext *mov = s->priv_data;
3643 MOVTrack *track = &mov->tracks[index];
3644 AVStream *src_st = s->streams[src_index];
3646 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3647 AVRational rate = find_fps(s, src_st);
3649 /* compute the frame number */
3650 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3654 /* tmcd track based on video stream */
3655 track->mode = mov->mode;
3656 track->tag = MKTAG('t','m','c','d');
3657 track->src_track = src_index;
3658 track->timescale = mov->tracks[src_index].timescale;
3659 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3660 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3662 /* encode context: tmcd data stream */
3663 track->enc = avcodec_alloc_context3(NULL);
3664 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3665 track->enc->codec_tag = track->tag;
3666 track->enc->time_base = av_inv_q(rate);
3668 /* the tmcd track just contains one packet with the frame number */
3669 pkt.data = av_malloc(pkt.size);
3670 AV_WB32(pkt.data, tc.start);
3671 ret = ff_mov_write_packet(s, &pkt);
3677 * st->disposition controls the "enabled" flag in the tkhd tag.
3678 * QuickTime will not play a track if it is not enabled. So make sure
3679 * that one track of each type (audio, video, subtitle) is enabled.
3681 * Subtitles are special. For audio and video, setting "enabled" also
3682 * makes the track "default" (i.e. it is rendered when played). For
3683 * subtitles, an "enabled" subtitle is not rendered by default, but
3684 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3687 static void enable_tracks(AVFormatContext *s)
3689 MOVMuxContext *mov = s->priv_data;
3691 uint8_t enabled[AVMEDIA_TYPE_NB];
3692 int first[AVMEDIA_TYPE_NB];
3694 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3699 for (i = 0; i < s->nb_streams; i++) {
3700 AVStream *st = s->streams[i];
3702 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3703 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3706 if (first[st->codec->codec_type] < 0)
3707 first[st->codec->codec_type] = i;
3708 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3709 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3710 enabled[st->codec->codec_type] = 1;
3714 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3716 case AVMEDIA_TYPE_VIDEO:
3717 case AVMEDIA_TYPE_AUDIO:
3718 case AVMEDIA_TYPE_SUBTITLE:
3719 if (!enabled[i] && first[i] >= 0)
3720 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3726 static void mov_free(AVFormatContext *s)
3728 MOVMuxContext *mov = s->priv_data;
3731 if (mov->chapter_track) {
3732 if (mov->tracks[mov->chapter_track].enc)
3733 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
3734 av_freep(&mov->tracks[mov->chapter_track].enc);
3737 for (i = 0; i < mov->nb_streams; i++) {
3738 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3739 ff_mov_close_hinting(&mov->tracks[i]);
3740 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3741 av_freep(&mov->tracks[i].enc);
3742 av_freep(&mov->tracks[i].cluster);
3743 av_freep(&mov->tracks[i].frag_info);
3745 if (mov->tracks[i].vos_len)
3746 av_freep(&mov->tracks[i].vos_data);
3749 av_freep(&mov->tracks);
3752 static int mov_write_header(AVFormatContext *s)
3754 AVIOContext *pb = s->pb;
3755 MOVMuxContext *mov = s->priv_data;
3756 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3757 int i, ret, hint_track = 0, tmcd_track = 0;
3759 /* Default mode == MP4 */
3760 mov->mode = MODE_MP4;
3762 if (s->oformat != NULL) {
3763 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3764 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3765 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3766 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3767 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3768 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3769 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3772 for (i = 0; i < s->nb_streams; i++)
3773 if (s->streams[i]->codec->flags & CODEC_FLAG_BITEXACT)
3776 /* Set the FRAGMENT flag if any of the fragmentation methods are
3778 if (mov->max_fragment_duration || mov->max_fragment_size ||
3779 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3780 FF_MOV_FLAG_FRAG_KEYFRAME |
3781 FF_MOV_FLAG_FRAG_CUSTOM))
3782 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3784 /* Set other implicit flags immediately */
3785 if (mov->mode == MODE_ISM)
3786 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3787 FF_MOV_FLAG_FRAGMENT;
3789 /* faststart: moov at the beginning of the file, if supported */
3790 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3791 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3792 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3793 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3794 "with fragmentation and custom IO, disabling faststart\n");
3795 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3797 mov->reserved_moov_size = -1;
3800 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3801 s->avoid_negative_ts = 2;
3804 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3805 * is enabled, we don't support non-seekable output at all. */
3806 if (!s->pb->seekable &&
3807 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3808 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3809 return AVERROR(EINVAL);
3812 mov_write_ftyp_tag(pb,s);
3813 if (mov->mode == MODE_PSP) {
3814 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3815 for (i = 0; i < s->nb_streams; i++) {
3816 AVStream *st = s->streams[i];
3817 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3819 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3825 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3826 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3827 return AVERROR(EINVAL);
3829 mov_write_uuidprof_tag(pb, s);
3832 mov->nb_streams = s->nb_streams;
3833 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3834 mov->chapter_track = mov->nb_streams++;
3836 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3837 /* Add hint tracks for each audio and video stream */
3838 hint_track = mov->nb_streams;
3839 for (i = 0; i < s->nb_streams; i++) {
3840 AVStream *st = s->streams[i];
3841 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3842 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3848 if (mov->mode == MODE_MOV) {
3849 tmcd_track = mov->nb_streams;
3851 /* +1 tmcd track for each video stream with a timecode */
3852 for (i = 0; i < s->nb_streams; i++) {
3853 AVStream *st = s->streams[i];
3854 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3855 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3856 mov->nb_meta_tmcd++;
3859 /* check if there is already a tmcd track to remux */
3860 if (mov->nb_meta_tmcd) {
3861 for (i = 0; i < s->nb_streams; i++) {
3862 AVStream *st = s->streams[i];
3863 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3864 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3865 "so timecode metadata are now ignored\n");
3866 mov->nb_meta_tmcd = 0;
3871 mov->nb_streams += mov->nb_meta_tmcd;
3874 // Reserve an extra stream for chapters for the case where chapters
3875 // are written in the trailer
3876 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3878 return AVERROR(ENOMEM);
3880 for (i = 0; i < s->nb_streams; i++) {
3881 AVStream *st= s->streams[i];
3882 MOVTrack *track= &mov->tracks[i];
3883 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3885 track->enc = st->codec;
3887 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3888 if (track->language < 0)
3889 track->language = 0;
3890 track->mode = mov->mode;
3891 track->tag = mov_find_codec_tag(s, track);
3893 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
3894 "codec not currently supported in container\n",
3895 avcodec_get_name(st->codec->codec_id), i);
3896 ret = AVERROR(EINVAL);
3899 /* If hinting of this track is enabled by a later hint track,
3900 * this is updated. */
3901 track->hint_track = -1;
3902 track->start_dts = AV_NOPTS_VALUE;
3903 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3904 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3905 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3906 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3907 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3908 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3909 ret = AVERROR(EINVAL);
3912 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3914 if (mov->video_track_timescale) {
3915 track->timescale = mov->video_track_timescale;
3917 track->timescale = st->codec->time_base.den;
3918 while(track->timescale < 10000)
3919 track->timescale *= 2;
3921 if (track->mode == MODE_MOV && track->timescale > 100000)
3922 av_log(s, AV_LOG_WARNING,
3923 "WARNING codec timebase is very high. If duration is too long,\n"
3924 "file may not be playable by quicktime. Specify a shorter timebase\n"
3925 "or choose different container.\n");
3926 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3927 track->timescale = st->codec->sample_rate;
3928 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3929 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3930 track->audio_vbr = 1;
3931 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3932 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3933 st->codec->codec_id == AV_CODEC_ID_ILBC){
3934 if (!st->codec->block_align) {
3935 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3936 ret = AVERROR(EINVAL);
3939 track->sample_size = st->codec->block_align;
3940 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
3941 track->audio_vbr = 1;
3943 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3945 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
3946 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
3947 track->audio_vbr = 1;
3949 if (track->mode != MODE_MOV &&
3950 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3951 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3952 i, track->enc->sample_rate);
3953 ret = AVERROR(EINVAL);
3956 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3957 track->timescale = st->codec->time_base.den;
3958 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3959 track->timescale = st->codec->time_base.den;
3961 track->timescale = MOV_TIMESCALE;
3964 track->height = st->codec->height;
3965 /* The ism specific timescale isn't mandatory, but is assumed by
3966 * some tools, such as mp4split. */
3967 if (mov->mode == MODE_ISM)
3968 track->timescale = 10000000;
3970 avpriv_set_pts_info(st, 64, 1, track->timescale);
3972 /* copy extradata if it exists */
3973 if (st->codec->extradata_size) {
3974 track->vos_len = st->codec->extradata_size;
3975 track->vos_data = av_malloc(track->vos_len);
3976 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3983 if (mov->reserved_moov_size){
3984 mov->reserved_moov_pos= avio_tell(pb);
3985 if (mov->reserved_moov_size > 0)
3986 avio_skip(pb, mov->reserved_moov_size);
3989 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3990 /* If no fragmentation options have been set, set a default. */
3991 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3992 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3993 !mov->max_fragment_duration && !mov->max_fragment_size)
3994 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3996 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3997 mov->reserved_moov_pos = avio_tell(pb);
3998 mov_write_mdat_tag(pb, mov);
4001 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4002 mov->time = ff_iso8601_to_unix_time(t->value);
4004 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4006 if (mov->chapter_track)
4007 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4010 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4011 /* Initialize the hint tracks for each audio and video stream */
4012 for (i = 0; i < s->nb_streams; i++) {
4013 AVStream *st = s->streams[i];
4014 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4015 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4016 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
4023 if (mov->nb_meta_tmcd) {
4024 /* Initialize the tmcd tracks */
4025 for (i = 0; i < s->nb_streams; i++) {
4026 AVStream *st = s->streams[i];
4029 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4031 t = av_dict_get(st->metadata, "timecode", NULL, 0);
4034 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4043 if (mov->flags & FF_MOV_FLAG_ISML)
4044 mov_write_isml_manifest(pb, mov);
4046 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4047 mov_write_moov_tag(pb, mov, s);
4057 static int get_moov_size(AVFormatContext *s)
4060 AVIOContext *moov_buf;
4061 MOVMuxContext *mov = s->priv_data;
4063 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4065 mov_write_moov_tag(moov_buf, mov, s);
4066 return ffio_close_null_buf(moov_buf);
4070 * This function gets the moov size if moved to the top of the file: the chunk
4071 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4072 * entries) when the moov is moved to the beginning, so the size of the moov
4073 * would change. It also updates the chunk offset tables.
4075 static int compute_moov_size(AVFormatContext *s)
4077 int i, moov_size, moov_size2;
4078 MOVMuxContext *mov = s->priv_data;
4080 moov_size = get_moov_size(s);
4084 for (i = 0; i < mov->nb_streams; i++)
4085 mov->tracks[i].data_offset += moov_size;
4087 moov_size2 = get_moov_size(s);
4091 /* if the size changed, we just switched from stco to co64 and need to
4092 * update the offsets */
4093 if (moov_size2 != moov_size)
4094 for (i = 0; i < mov->nb_streams; i++)
4095 mov->tracks[i].data_offset += moov_size2 - moov_size;
4100 static int shift_data(AVFormatContext *s)
4102 int ret = 0, moov_size;
4103 MOVMuxContext *mov = s->priv_data;
4104 int64_t pos, pos_end = avio_tell(s->pb);
4105 uint8_t *buf, *read_buf[2];
4106 int read_buf_id = 0;
4108 AVIOContext *read_pb;
4110 moov_size = compute_moov_size(s);
4114 buf = av_malloc(moov_size * 2);
4116 return AVERROR(ENOMEM);
4118 read_buf[1] = buf + moov_size;
4120 /* Shift the data: the AVIO context of the output can only be used for
4121 * writing, so we re-open the same output, but for reading. It also avoids
4122 * a read/seek/write/seek back and forth. */
4124 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4126 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4127 "the second pass (faststart)\n", s->filename);
4131 /* mark the end of the shift to up to the last data we wrote, and get ready
4133 pos_end = avio_tell(s->pb);
4134 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4136 /* start reading at where the new moov will be placed */
4137 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4138 pos = avio_tell(read_pb);
4140 #define READ_BLOCK do { \
4141 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4145 /* shift data by chunk of at most moov_size */
4150 n = read_size[read_buf_id];
4153 avio_write(s->pb, read_buf[read_buf_id], n);
4155 } while (pos < pos_end);
4156 avio_close(read_pb);
4163 static int mov_write_trailer(AVFormatContext *s)
4165 MOVMuxContext *mov = s->priv_data;
4166 AVIOContext *pb = s->pb;
4172 * Before actually writing the trailer, make sure that there are no
4173 * dangling subtitles, that need a terminating sample.
4175 for (i = 0; i < mov->nb_streams; i++) {
4176 MOVTrack *trk = &mov->tracks[i];
4177 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4178 !trk->last_sample_is_subtitle_end) {
4179 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4180 trk->last_sample_is_subtitle_end = 1;
4184 // If there were no chapters when the header was written, but there
4185 // are chapters now, write them in the trailer. This only works
4186 // when we are not doing fragments.
4187 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4188 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4189 mov->chapter_track = mov->nb_streams++;
4190 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4195 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4196 moov_pos = avio_tell(pb);
4198 /* Write size of mdat tag */
4199 if (mov->mdat_size + 8 <= UINT32_MAX) {
4200 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4201 avio_wb32(pb, mov->mdat_size + 8);
4203 /* overwrite 'wide' placeholder atom */
4204 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4205 /* special value: real atom size will be 64 bit value after
4208 ffio_wfourcc(pb, "mdat");
4209 avio_wb64(pb, mov->mdat_size + 16);
4211 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4213 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4214 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4215 res = shift_data(s);
4217 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4218 mov_write_moov_tag(pb, mov, s);
4220 } else if (mov->reserved_moov_size > 0) {
4222 mov_write_moov_tag(pb, mov, s);
4223 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4225 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4228 avio_wb32(pb, size);
4229 ffio_wfourcc(pb, "free");
4230 for (i = 0; i < size; i++)
4232 avio_seek(pb, moov_pos, SEEK_SET);
4234 mov_write_moov_tag(pb, mov, s);
4237 mov_flush_fragment(s);
4238 mov_write_mfra_tag(pb, mov);
4241 for (i = 0; i < mov->nb_streams; i++) {
4242 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4243 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4244 int64_t off = avio_tell(pb);
4246 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4247 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4248 avio_write(pb, buf, 7);
4249 avio_seek(pb, off, SEEK_SET);
4260 #if CONFIG_MOV_MUXER
4262 AVOutputFormat ff_mov_muxer = {
4264 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4265 .extensions = "mov",
4266 .priv_data_size = sizeof(MOVMuxContext),
4267 .audio_codec = AV_CODEC_ID_AAC,
4268 .video_codec = CONFIG_LIBX264_ENCODER ?
4269 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4270 .write_header = mov_write_header,
4271 .write_packet = mov_write_packet,
4272 .write_trailer = mov_write_trailer,
4273 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4274 .codec_tag = (const AVCodecTag* const []){
4275 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4277 .priv_class = &mov_muxer_class,
4280 #if CONFIG_TGP_MUXER
4282 AVOutputFormat ff_tgp_muxer = {
4284 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4285 .extensions = "3gp",
4286 .priv_data_size = sizeof(MOVMuxContext),
4287 .audio_codec = AV_CODEC_ID_AMR_NB,
4288 .video_codec = AV_CODEC_ID_H263,
4289 .write_header = mov_write_header,
4290 .write_packet = mov_write_packet,
4291 .write_trailer = mov_write_trailer,
4292 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4293 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4294 .priv_class = &tgp_muxer_class,
4297 #if CONFIG_MP4_MUXER
4299 AVOutputFormat ff_mp4_muxer = {
4301 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4302 .mime_type = "application/mp4",
4303 .extensions = "mp4",
4304 .priv_data_size = sizeof(MOVMuxContext),
4305 .audio_codec = AV_CODEC_ID_AAC,
4306 .video_codec = CONFIG_LIBX264_ENCODER ?
4307 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4308 .write_header = mov_write_header,
4309 .write_packet = mov_write_packet,
4310 .write_trailer = mov_write_trailer,
4311 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4312 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4313 .priv_class = &mp4_muxer_class,
4316 #if CONFIG_PSP_MUXER
4318 AVOutputFormat ff_psp_muxer = {
4320 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4321 .extensions = "mp4,psp",
4322 .priv_data_size = sizeof(MOVMuxContext),
4323 .audio_codec = AV_CODEC_ID_AAC,
4324 .video_codec = CONFIG_LIBX264_ENCODER ?
4325 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4326 .write_header = mov_write_header,
4327 .write_packet = mov_write_packet,
4328 .write_trailer = mov_write_trailer,
4329 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4330 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4331 .priv_class = &psp_muxer_class,
4334 #if CONFIG_TG2_MUXER
4336 AVOutputFormat ff_tg2_muxer = {
4338 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4339 .extensions = "3g2",
4340 .priv_data_size = sizeof(MOVMuxContext),
4341 .audio_codec = AV_CODEC_ID_AMR_NB,
4342 .video_codec = AV_CODEC_ID_H263,
4343 .write_header = mov_write_header,
4344 .write_packet = mov_write_packet,
4345 .write_trailer = mov_write_trailer,
4346 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4347 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4348 .priv_class = &tg2_muxer_class,
4351 #if CONFIG_IPOD_MUXER
4353 AVOutputFormat ff_ipod_muxer = {
4355 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4356 .mime_type = "application/mp4",
4357 .extensions = "m4v,m4a",
4358 .priv_data_size = sizeof(MOVMuxContext),
4359 .audio_codec = AV_CODEC_ID_AAC,
4360 .video_codec = AV_CODEC_ID_H264,
4361 .write_header = mov_write_header,
4362 .write_packet = mov_write_packet,
4363 .write_trailer = mov_write_trailer,
4364 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4365 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4366 .priv_class = &ipod_muxer_class,
4369 #if CONFIG_ISMV_MUXER
4371 AVOutputFormat ff_ismv_muxer = {
4373 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4374 .mime_type = "application/mp4",
4375 .extensions = "ismv,isma",
4376 .priv_data_size = sizeof(MOVMuxContext),
4377 .audio_codec = AV_CODEC_ID_AAC,
4378 .video_codec = AV_CODEC_ID_H264,
4379 .write_header = mov_write_header,
4380 .write_packet = mov_write_packet,
4381 .write_trailer = mov_write_trailer,
4382 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4383 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4384 .priv_class = &ismv_muxer_class,
4387 #if CONFIG_F4V_MUXER
4389 AVOutputFormat ff_f4v_muxer = {
4391 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4392 .mime_type = "application/f4v",
4393 .extensions = "f4v",
4394 .priv_data_size = sizeof(MOVMuxContext),
4395 .audio_codec = AV_CODEC_ID_AAC,
4396 .video_codec = AV_CODEC_ID_H264,
4397 .write_header = mov_write_header,
4398 .write_packet = mov_write_packet,
4399 .write_trailer = mov_write_trailer,
4400 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4401 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4402 .priv_class = &f4v_muxer_class,