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 Libav.
9 * Libav 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 * Libav 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 Libav; 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 { "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" },
53 { "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" },
54 { "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" },
55 { "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" },
56 { "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" },
57 { "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" },
58 { "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" },
59 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
60 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
61 { "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},
62 { "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},
63 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
64 { "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},
65 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
66 { "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},
67 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
71 #define MOV_CLASS(flavor)\
72 static const AVClass flavor ## _muxer_class = {\
73 .class_name = #flavor " muxer",\
74 .item_name = av_default_item_name,\
76 .version = LIBAVUTIL_VERSION_INT,\
79 //FIXME support 64 bit variant with wide placeholders
80 static int64_t update_size(AVIOContext *pb, int64_t pos)
82 int64_t curpos = avio_tell(pb);
83 avio_seek(pb, pos, SEEK_SET);
84 avio_wb32(pb, curpos - pos); /* rewrite size */
85 avio_seek(pb, curpos, SEEK_SET);
90 static int co64_required(const MOVTrack *track)
92 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
97 /* Chunk offset atom */
98 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
101 int mode64 = co64_required(track); // use 32 bit size variant if possible
102 int64_t pos = avio_tell(pb);
103 avio_wb32(pb, 0); /* size */
105 ffio_wfourcc(pb, "co64");
107 ffio_wfourcc(pb, "stco");
108 avio_wb32(pb, 0); /* version & flags */
109 avio_wb32(pb, track->entry); /* entry count */
110 for (i = 0; i < track->entry; i++) {
112 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
114 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
116 return update_size(pb, pos);
119 /* Sample size atom */
120 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
123 int i, j, entries = 0, tst = -1, oldtst = -1;
125 int64_t pos = avio_tell(pb);
126 avio_wb32(pb, 0); /* size */
127 ffio_wfourcc(pb, "stsz");
128 avio_wb32(pb, 0); /* version & flags */
130 for (i = 0; i < track->entry; i++) {
131 tst = track->cluster[i].size / track->cluster[i].entries;
132 if (oldtst != -1 && tst != oldtst)
135 entries += track->cluster[i].entries;
137 if (equalChunks && track->entry) {
138 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
139 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
140 avio_wb32(pb, sSize); // sample size
141 avio_wb32(pb, entries); // sample count
143 avio_wb32(pb, 0); // sample size
144 avio_wb32(pb, entries); // sample count
145 for (i = 0; i < track->entry; i++) {
146 for (j = 0; j < track->cluster[i].entries; j++) {
147 avio_wb32(pb, track->cluster[i].size /
148 track->cluster[i].entries);
152 return update_size(pb, pos);
155 /* Sample to chunk atom */
156 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
158 int index = 0, oldval = -1, i;
159 int64_t entryPos, curpos;
161 int64_t pos = avio_tell(pb);
162 avio_wb32(pb, 0); /* size */
163 ffio_wfourcc(pb, "stsc");
164 avio_wb32(pb, 0); // version & flags
165 entryPos = avio_tell(pb);
166 avio_wb32(pb, track->entry); // entry count
167 for (i = 0; i < track->entry; i++) {
168 if (oldval != track->cluster[i].samples_in_chunk) {
169 avio_wb32(pb, i + 1); // first chunk
170 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
171 avio_wb32(pb, 0x1); // sample description index
172 oldval = track->cluster[i].samples_in_chunk;
176 curpos = avio_tell(pb);
177 avio_seek(pb, entryPos, SEEK_SET);
178 avio_wb32(pb, index); // rewrite size
179 avio_seek(pb, curpos, SEEK_SET);
181 return update_size(pb, pos);
184 /* Sync sample atom */
185 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
187 int64_t curpos, entryPos;
189 int64_t pos = avio_tell(pb);
190 avio_wb32(pb, 0); // size
191 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
192 avio_wb32(pb, 0); // version & flags
193 entryPos = avio_tell(pb);
194 avio_wb32(pb, track->entry); // entry count
195 for (i = 0; i < track->entry; i++) {
196 if (track->cluster[i].flags & flag) {
197 avio_wb32(pb, i + 1);
201 curpos = avio_tell(pb);
202 avio_seek(pb, entryPos, SEEK_SET);
203 avio_wb32(pb, index); // rewrite size
204 avio_seek(pb, curpos, SEEK_SET);
205 return update_size(pb, pos);
208 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
210 avio_wb32(pb, 0x11); /* size */
211 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
212 else ffio_wfourcc(pb, "damr");
213 ffio_wfourcc(pb, "FFMP");
214 avio_w8(pb, 0); /* decoder version */
216 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
217 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
218 avio_w8(pb, 0x01); /* Frames per sample */
222 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
227 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
229 if (track->vos_len < 7)
233 ffio_wfourcc(pb, "dac3");
235 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
236 fscod = get_bits(&gbc, 2);
237 frmsizecod = get_bits(&gbc, 6);
238 bsid = get_bits(&gbc, 5);
239 bsmod = get_bits(&gbc, 3);
240 acmod = get_bits(&gbc, 3);
242 skip_bits(&gbc, 2); // dsurmod
244 if ((acmod & 1) && acmod != 1)
245 skip_bits(&gbc, 2); // cmixlev
247 skip_bits(&gbc, 2); // surmixlev
249 lfeon = get_bits1(&gbc);
251 init_put_bits(&pbc, buf, sizeof(buf));
252 put_bits(&pbc, 2, fscod);
253 put_bits(&pbc, 5, bsid);
254 put_bits(&pbc, 3, bsmod);
255 put_bits(&pbc, 3, acmod);
256 put_bits(&pbc, 1, lfeon);
257 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
258 put_bits(&pbc, 5, 0); // reserved
260 flush_put_bits(&pbc);
261 avio_write(pb, buf, sizeof(buf));
267 * This function writes extradata "as is".
268 * Extradata must be formatted like a valid atom (with size and tag).
270 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
272 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
273 return track->enc->extradata_size;
276 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
281 avio_w8(pb, (size >> (7 * i)) | 0x80);
282 avio_w8(pb, size & 0x7F);
285 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
287 int64_t pos = avio_tell(pb);
288 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
290 avio_wb32(pb, 0); // size
291 ffio_wfourcc(pb, "esds");
292 avio_wb32(pb, 0); // Version
295 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
296 avio_wb16(pb, track->track_id);
297 avio_w8(pb, 0x00); // flags (= no flags)
299 // DecoderConfig descriptor
300 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
302 // Object type indication
303 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
304 track->enc->codec_id == AV_CODEC_ID_MP3) &&
305 track->enc->sample_rate > 24000)
306 avio_w8(pb, 0x6B); // 11172-3
308 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
310 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
311 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
312 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
313 avio_w8(pb, 0x15); // flags (= Audiostream)
315 avio_w8(pb, 0x11); // flags (= Visualstream)
317 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
319 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
320 if (track->enc->rc_max_rate != track->enc->rc_min_rate ||
321 track->enc->rc_min_rate == 0)
322 avio_wb32(pb, 0); // vbr
324 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
326 if (track->vos_len) {
327 // DecoderSpecific info descriptor
328 put_descr(pb, 0x05, track->vos_len);
329 avio_write(pb, track->vos_data, track->vos_len);
333 put_descr(pb, 0x06, 1);
335 return update_size(pb, pos);
338 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
340 int64_t pos = avio_tell(pb);
342 avio_wl32(pb, track->tag); // store it byteswapped
343 track->enc->codec_tag = av_bswap16(track->tag >> 16);
344 ff_put_wav_header(pb, track->enc);
345 return update_size(pb, pos);
348 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
350 int64_t pos = avio_tell(pb);
352 ffio_wfourcc(pb, "wfex");
353 ff_put_wav_header(pb, track->enc);
354 return update_size(pb, pos);
357 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
359 uint32_t layout_tag, bitmap;
360 int64_t pos = avio_tell(pb);
362 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
363 track->enc->channel_layout,
366 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
367 "lack of channel information\n");
371 avio_wb32(pb, 0); // Size
372 ffio_wfourcc(pb, "chan"); // Type
373 avio_w8(pb, 0); // Version
374 avio_wb24(pb, 0); // Flags
375 avio_wb32(pb, layout_tag); // mChannelLayoutTag
376 avio_wb32(pb, bitmap); // mChannelBitmap
377 avio_wb32(pb, 0); // mNumberChannelDescriptions
379 return update_size(pb, pos);
382 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
384 int64_t pos = avio_tell(pb);
386 avio_wb32(pb, 0); /* size */
387 ffio_wfourcc(pb, "wave");
389 avio_wb32(pb, 12); /* size */
390 ffio_wfourcc(pb, "frma");
391 avio_wl32(pb, track->tag);
393 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
394 /* useless atom needed by mplayer, ipod, not needed by quicktime */
395 avio_wb32(pb, 12); /* size */
396 ffio_wfourcc(pb, "mp4a");
398 mov_write_esds_tag(pb, track);
399 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
400 mov_write_amr_tag(pb, track);
401 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
402 mov_write_ac3_tag(pb, track);
403 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
404 mov_write_extradata_tag(pb, track);
405 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
406 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
407 mov_write_ms_tag(pb, track);
410 avio_wb32(pb, 8); /* size */
411 avio_wb32(pb, 0); /* null tag */
413 return update_size(pb, pos);
416 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
419 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
420 int unescaped_size, seq_found = 0;
421 int level = 0, interlace = 0;
422 int packet_seq = track->vc1_info.packet_seq;
423 int packet_entry = track->vc1_info.packet_entry;
424 int slices = track->vc1_info.slices;
427 if (track->start_dts == AV_NOPTS_VALUE) {
428 /* No packets written yet, vc1_info isn't authoritative yet. */
429 /* Assume inline sequence and entry headers. This will be
430 * overwritten at the end if the file is seekable. */
431 packet_seq = packet_entry = 1;
434 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
436 return AVERROR(ENOMEM);
437 start = find_next_marker(track->vos_data, end);
438 for (next = start; next < end; start = next) {
441 next = find_next_marker(start + 4, end);
442 size = next - start - 4;
445 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
446 init_get_bits(&gb, unescaped, 8 * unescaped_size);
447 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
448 int profile = get_bits(&gb, 2);
449 if (profile != PROFILE_ADVANCED) {
451 return AVERROR(ENOSYS);
454 level = get_bits(&gb, 3);
455 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
457 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
458 skip_bits(&gb, 1); /* broadcast */
459 interlace = get_bits1(&gb);
460 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
465 return AVERROR(ENOSYS);
468 init_put_bits(&pbc, buf, 7);
469 /* VC1DecSpecStruc */
470 put_bits(&pbc, 4, 12); /* profile - advanced */
471 put_bits(&pbc, 3, level);
472 put_bits(&pbc, 1, 0); /* reserved */
473 /* VC1AdvDecSpecStruc */
474 put_bits(&pbc, 3, level);
475 put_bits(&pbc, 1, 0); /* cbr */
476 put_bits(&pbc, 6, 0); /* reserved */
477 put_bits(&pbc, 1, !interlace); /* no interlace */
478 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
479 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
480 put_bits(&pbc, 1, !slices); /* no slice code */
481 put_bits(&pbc, 1, 0); /* no bframe */
482 put_bits(&pbc, 1, 0); /* reserved */
483 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
484 flush_put_bits(&pbc);
491 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
493 uint8_t buf[7] = { 0 };
496 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
499 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
500 ffio_wfourcc(pb, "dvc1");
501 track->vc1_info.struct_offset = avio_tell(pb);
502 avio_write(pb, buf, sizeof(buf));
503 avio_write(pb, track->vos_data, track->vos_len);
508 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
510 avio_wb32(pb, track->vos_len + 8);
511 ffio_wfourcc(pb, "glbl");
512 avio_write(pb, track->vos_data, track->vos_len);
513 return 8 + track->vos_len;
517 * Compute flags for 'lpcm' tag.
518 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
520 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
523 case AV_CODEC_ID_PCM_F32BE:
524 case AV_CODEC_ID_PCM_F64BE:
526 case AV_CODEC_ID_PCM_F32LE:
527 case AV_CODEC_ID_PCM_F64LE:
529 case AV_CODEC_ID_PCM_U8:
531 case AV_CODEC_ID_PCM_S16BE:
532 case AV_CODEC_ID_PCM_S24BE:
533 case AV_CODEC_ID_PCM_S32BE:
535 case AV_CODEC_ID_PCM_S8:
536 case AV_CODEC_ID_PCM_S16LE:
537 case AV_CODEC_ID_PCM_S24LE:
538 case AV_CODEC_ID_PCM_S32LE:
545 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
549 if (cluster_idx >= track->entry)
552 if (cluster_idx + 1 == track->entry)
553 next_dts = track->track_duration + track->start_dts;
555 next_dts = track->cluster[cluster_idx + 1].dts;
557 return next_dts - track->cluster[cluster_idx].dts;
560 static int get_samples_per_packet(MOVTrack *track)
562 int i, first_duration;
564 /* use 1 for raw PCM */
565 if (!track->audio_vbr)
568 /* check to see if duration is constant for all clusters */
571 first_duration = get_cluster_duration(track, 0);
572 for (i = 1; i < track->entry; i++) {
573 if (get_cluster_duration(track, i) != first_duration)
576 return first_duration;
579 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
581 int64_t pos = avio_tell(pb);
583 uint32_t tag = track->tag;
585 if (track->mode == MODE_MOV) {
586 if (mov_get_lpcm_flags(track->enc->codec_id))
587 tag = AV_RL32("lpcm");
591 avio_wb32(pb, 0); /* size */
592 avio_wl32(pb, tag); // store it byteswapped
593 avio_wb32(pb, 0); /* Reserved */
594 avio_wb16(pb, 0); /* Reserved */
595 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
597 /* SoundDescription */
598 avio_wb16(pb, version); /* Version */
599 avio_wb16(pb, 0); /* Revision level */
600 avio_wb32(pb, 0); /* Reserved */
605 avio_wb16(pb, 0xfffe);
607 avio_wb32(pb, 0x00010000);
609 avio_wb64(pb, av_double2int(track->enc->sample_rate));
610 avio_wb32(pb, track->enc->channels);
611 avio_wb32(pb, 0x7F000000);
612 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
613 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
614 avio_wb32(pb, track->sample_size);
615 avio_wb32(pb, get_samples_per_packet(track));
617 /* reserved for mp4/3gp */
622 avio_wb16(pb, 0); /* packet size (= 0) */
623 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
624 track->enc->sample_rate : 0);
625 avio_wb16(pb, 0); /* Reserved */
628 if (track->mode == MODE_MOV &&
629 (track->enc->codec_id == AV_CODEC_ID_AAC ||
630 track->enc->codec_id == AV_CODEC_ID_AC3 ||
631 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
632 track->enc->codec_id == AV_CODEC_ID_ALAC ||
633 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
634 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
635 mov_write_wave_tag(pb, track);
636 else if (track->tag == MKTAG('m','p','4','a'))
637 mov_write_esds_tag(pb, track);
638 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
639 mov_write_amr_tag(pb, track);
640 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
641 mov_write_ac3_tag(pb, track);
642 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
643 mov_write_extradata_tag(pb, track);
644 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
645 mov_write_wfex_tag(pb, track);
646 else if (track->vos_len > 0)
647 mov_write_glbl_tag(pb, track);
649 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
650 mov_write_chan_tag(pb, track);
652 return update_size(pb, pos);
655 static int mov_write_d263_tag(AVIOContext *pb)
657 avio_wb32(pb, 0xf); /* size */
658 ffio_wfourcc(pb, "d263");
659 ffio_wfourcc(pb, "FFMP");
660 avio_w8(pb, 0); /* decoder version */
661 /* FIXME use AVCodecContext level/profile, when encoder will set values */
662 avio_w8(pb, 0xa); /* level */
663 avio_w8(pb, 0); /* profile */
667 /* TODO: No idea about these values */
668 static int mov_write_svq3_tag(AVIOContext *pb)
671 ffio_wfourcc(pb, "SMI ");
672 ffio_wfourcc(pb, "SEQH");
674 avio_wb32(pb, 0xe2c0211d);
675 avio_wb32(pb, 0xc0000000);
680 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
682 int64_t pos = avio_tell(pb);
685 ffio_wfourcc(pb, "avcC");
686 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
687 return update_size(pb, pos);
690 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
692 int64_t pos = avio_tell(pb);
695 ffio_wfourcc(pb, "hvcC");
696 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
697 return update_size(pb, pos);
700 /* also used by all avid codecs (dv, imx, meridien) and their variants */
701 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
704 avio_wb32(pb, 24); /* size */
705 ffio_wfourcc(pb, "ACLR");
706 ffio_wfourcc(pb, "ACLR");
707 ffio_wfourcc(pb, "0001");
708 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
709 avio_wb32(pb, 0); /* unknown */
711 avio_wb32(pb, 24); /* size */
712 ffio_wfourcc(pb, "APRG");
713 ffio_wfourcc(pb, "APRG");
714 ffio_wfourcc(pb, "0001");
715 avio_wb32(pb, 1); /* unknown */
716 avio_wb32(pb, 0); /* unknown */
718 avio_wb32(pb, 120); /* size */
719 ffio_wfourcc(pb, "ARES");
720 ffio_wfourcc(pb, "ARES");
721 ffio_wfourcc(pb, "0001");
722 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
723 avio_wb32(pb, track->enc->width);
724 /* values below are based on samples created with quicktime and avid codecs */
725 if (track->vos_data[5] & 2) { // interlaced
726 avio_wb32(pb, track->enc->height / 2);
727 avio_wb32(pb, 2); /* unknown */
728 avio_wb32(pb, 0); /* unknown */
729 avio_wb32(pb, 4); /* unknown */
731 avio_wb32(pb, track->enc->height);
732 avio_wb32(pb, 1); /* unknown */
733 avio_wb32(pb, 0); /* unknown */
734 if (track->enc->height == 1080)
735 avio_wb32(pb, 5); /* unknown */
737 avio_wb32(pb, 6); /* unknown */
740 for (i = 0; i < 10; i++)
743 /* extra padding for stsd needed */
748 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
750 int tag = track->enc->codec_tag;
752 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
755 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
756 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
757 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
758 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
759 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
760 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
761 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
762 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
767 static const AVCodecTag codec_ipod_tags[] = {
768 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
769 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
770 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
771 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
772 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
773 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
774 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
775 { AV_CODEC_ID_NONE, 0 },
778 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
780 int tag = track->enc->codec_tag;
782 // keep original tag for subs, ipod supports both formats
783 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
784 (tag == MKTAG('t', 'x', '3', 'g') ||
785 tag == MKTAG('t', 'e', 'x', 't'))))
786 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
788 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
789 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
790 "Quicktime/Ipod might not play the file\n");
795 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
799 if (track->enc->width == 720) /* SD */
800 if (track->enc->height == 480) /* NTSC */
801 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
802 else tag = MKTAG('d','v','c',' ');
803 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
804 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
805 else tag = MKTAG('d','v','p','p');
806 else if (track->enc->height == 720) /* HD 720 line */
807 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
808 else tag = MKTAG('d','v','h','p');
809 else if (track->enc->height == 1080) /* HD 1080 line */
810 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
811 else tag = MKTAG('d','v','h','6');
813 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
820 static const struct {
821 enum AVPixelFormat pix_fmt;
824 } mov_pix_fmt_tags[] = {
825 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
826 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
827 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
828 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
829 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
830 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
831 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
832 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
833 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
834 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
835 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
836 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
837 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
838 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
841 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
843 int tag = track->enc->codec_tag;
846 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
847 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
848 tag = mov_pix_fmt_tags[i].tag;
849 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
857 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
859 int tag = track->enc->codec_tag;
861 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
862 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
863 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
864 track->enc->codec_id == AV_CODEC_ID_H263 ||
865 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
866 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
867 tag = mov_get_dv_codec_tag(s, track);
868 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
869 tag = mov_get_rawvideo_codec_tag(s, track);
870 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
871 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
872 if (!tag) { // if no mac fcc found, try with Microsoft tags
873 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
875 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
876 "the file may be unplayable!\n");
878 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
879 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
880 if (!tag) { // if no mac fcc found, try with Microsoft tags
881 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
883 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
884 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
885 "the file may be unplayable!\n");
888 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
889 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
895 static const AVCodecTag codec_3gp_tags[] = {
896 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
897 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
898 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
899 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
900 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
901 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
902 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
903 { AV_CODEC_ID_NONE, 0 },
906 static const AVCodecTag codec_f4v_tags[] = {
907 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
908 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
909 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
910 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
911 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
912 { AV_CODEC_ID_NONE, 0 },
915 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
919 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
920 tag = mp4_get_codec_tag(s, track);
921 else if (track->mode == MODE_ISM) {
922 tag = mp4_get_codec_tag(s, track);
923 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
924 tag = MKTAG('w', 'm', 'a', ' ');
925 } else if (track->mode == MODE_IPOD)
926 tag = ipod_get_codec_tag(s, track);
927 else if (track->mode & MODE_3GP)
928 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
929 else if (track->mode == MODE_F4V)
930 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
932 tag = mov_get_codec_tag(s, track);
938 * Needed to make file play in iPods running newest firmware
939 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
941 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
944 ffio_wfourcc(pb, "uuid");
945 avio_wb32(pb, 0x6b6840f2);
946 avio_wb32(pb, 0x5f244fc5);
947 avio_wb32(pb, 0xba39a51b);
948 avio_wb32(pb, 0xcf0323f3);
953 static const uint16_t fiel_data[] = {
954 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
957 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
959 unsigned mov_field_order = 0;
960 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
961 mov_field_order = fiel_data[track->enc->field_order];
965 ffio_wfourcc(pb, "fiel");
966 avio_wb16(pb, mov_field_order);
970 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
972 int64_t pos = avio_tell(pb);
973 avio_wb32(pb, 0); /* size */
974 avio_wl32(pb, track->tag); // store it byteswapped
975 avio_wb32(pb, 0); /* Reserved */
976 avio_wb16(pb, 0); /* Reserved */
977 avio_wb16(pb, 1); /* Data-reference index */
979 if (track->enc->extradata_size)
980 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
982 return update_size(pb, pos);
985 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
988 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
989 track->enc->sample_aspect_ratio.den, INT_MAX);
992 ffio_wfourcc(pb, "pasp");
993 avio_wb32(pb, sar.num);
994 avio_wb32(pb, sar.den);
998 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1000 int64_t pos = avio_tell(pb);
1001 char compressor_name[32] = { 0 };
1003 avio_wb32(pb, 0); /* size */
1004 avio_wl32(pb, track->tag); // store it byteswapped
1005 avio_wb32(pb, 0); /* Reserved */
1006 avio_wb16(pb, 0); /* Reserved */
1007 avio_wb16(pb, 1); /* Data-reference index */
1009 avio_wb16(pb, 0); /* Codec stream version */
1010 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1011 if (track->mode == MODE_MOV) {
1012 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1013 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1014 avio_wb32(pb, 0); /* Temporal Quality */
1015 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1017 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1018 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1021 avio_wb32(pb, 0); /* Reserved */
1022 avio_wb32(pb, 0); /* Reserved */
1023 avio_wb32(pb, 0); /* Reserved */
1025 avio_wb16(pb, track->enc->width); /* Video width */
1026 avio_wb16(pb, track->height); /* Video height */
1027 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1028 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1029 avio_wb32(pb, 0); /* Data size (= 0) */
1030 avio_wb16(pb, 1); /* Frame count (= 1) */
1032 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1033 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1034 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1035 avio_w8(pb, strlen(compressor_name));
1036 avio_write(pb, compressor_name, 31);
1038 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1039 avio_wb16(pb, track->enc->bits_per_coded_sample);
1041 avio_wb16(pb, 0x18); /* Reserved */
1042 avio_wb16(pb, 0xffff); /* Reserved */
1043 if (track->tag == MKTAG('m','p','4','v'))
1044 mov_write_esds_tag(pb, track);
1045 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1046 mov_write_d263_tag(pb);
1047 else if (track->enc->codec_id == AV_CODEC_ID_SVQ3)
1048 mov_write_svq3_tag(pb);
1049 else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1050 mov_write_avid_tag(pb, track);
1051 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1052 mov_write_hvcc_tag(pb, track);
1053 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1054 mov_write_avcc_tag(pb, track);
1055 if (track->mode == MODE_IPOD)
1056 mov_write_uuid_tag_ipod(pb);
1057 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1058 mov_write_fiel_tag(pb, track);
1059 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1060 mov_write_dvc1_tag(pb, track);
1061 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1062 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1063 /* Don't write any potential extradata here - the cropping
1064 * is signalled via the normal width/height fields. */
1065 } else if (track->vos_len > 0)
1066 mov_write_glbl_tag(pb, track);
1068 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1069 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1070 mov_write_pasp_tag(pb, track);
1073 return update_size(pb, pos);
1076 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1078 int64_t pos = avio_tell(pb);
1079 avio_wb32(pb, 0); /* size */
1080 ffio_wfourcc(pb, "rtp ");
1081 avio_wb32(pb, 0); /* Reserved */
1082 avio_wb16(pb, 0); /* Reserved */
1083 avio_wb16(pb, 1); /* Data-reference index */
1085 avio_wb16(pb, 1); /* Hint track version */
1086 avio_wb16(pb, 1); /* Highest compatible version */
1087 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1089 avio_wb32(pb, 12); /* size */
1090 ffio_wfourcc(pb, "tims");
1091 avio_wb32(pb, track->timescale);
1093 return update_size(pb, pos);
1096 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1098 int64_t pos = avio_tell(pb);
1100 avio_wb32(pb, 0); /* size */
1101 ffio_wfourcc(pb, "tmcd"); /* Data format */
1102 avio_wb32(pb, 0); /* Reserved */
1103 avio_wb32(pb, 1); /* Data reference index */
1104 if (track->enc->extradata_size)
1105 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1106 return update_size(pb, pos);
1109 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1111 int64_t pos = avio_tell(pb);
1112 avio_wb32(pb, 0); /* size */
1113 ffio_wfourcc(pb, "stsd");
1114 avio_wb32(pb, 0); /* version & flags */
1115 avio_wb32(pb, 1); /* entry count */
1116 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1117 mov_write_video_tag(pb, track);
1118 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1119 mov_write_audio_tag(pb, track);
1120 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1121 mov_write_subtitle_tag(pb, track);
1122 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1123 mov_write_rtp_tag(pb, track);
1124 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1125 mov_write_tmcd_tag(pb, track);
1126 return update_size(pb, pos);
1129 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1131 MOVStts *ctts_entries;
1132 uint32_t entries = 0;
1136 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1137 ctts_entries[0].count = 1;
1138 ctts_entries[0].duration = track->cluster[0].cts;
1139 for (i = 1; i < track->entry; i++) {
1140 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1141 ctts_entries[entries].count++; /* compress */
1144 ctts_entries[entries].duration = track->cluster[i].cts;
1145 ctts_entries[entries].count = 1;
1148 entries++; /* last one */
1149 atom_size = 16 + (entries * 8);
1150 avio_wb32(pb, atom_size); /* size */
1151 ffio_wfourcc(pb, "ctts");
1152 avio_wb32(pb, 0); /* version & flags */
1153 avio_wb32(pb, entries); /* entry count */
1154 for (i = 0; i < entries; i++) {
1155 avio_wb32(pb, ctts_entries[i].count);
1156 avio_wb32(pb, ctts_entries[i].duration);
1158 av_free(ctts_entries);
1162 /* Time to sample atom */
1163 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1165 MOVStts *stts_entries;
1166 uint32_t entries = -1;
1170 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1171 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1172 stts_entries[0].count = track->sample_count;
1173 stts_entries[0].duration = 1;
1176 stts_entries = track->entry ?
1177 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1179 for (i = 0; i < track->entry; i++) {
1180 int duration = get_cluster_duration(track, i);
1181 if (i && duration == stts_entries[entries].duration) {
1182 stts_entries[entries].count++; /* compress */
1185 stts_entries[entries].duration = duration;
1186 stts_entries[entries].count = 1;
1189 entries++; /* last one */
1191 atom_size = 16 + (entries * 8);
1192 avio_wb32(pb, atom_size); /* size */
1193 ffio_wfourcc(pb, "stts");
1194 avio_wb32(pb, 0); /* version & flags */
1195 avio_wb32(pb, entries); /* entry count */
1196 for (i = 0; i < entries; i++) {
1197 avio_wb32(pb, stts_entries[i].count);
1198 avio_wb32(pb, stts_entries[i].duration);
1200 av_free(stts_entries);
1204 static int mov_write_dref_tag(AVIOContext *pb)
1206 avio_wb32(pb, 28); /* size */
1207 ffio_wfourcc(pb, "dref");
1208 avio_wb32(pb, 0); /* version & flags */
1209 avio_wb32(pb, 1); /* entry count */
1211 avio_wb32(pb, 0xc); /* size */
1212 ffio_wfourcc(pb, "url ");
1213 avio_wb32(pb, 1); /* version & flags */
1218 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1220 int64_t pos = avio_tell(pb);
1221 avio_wb32(pb, 0); /* size */
1222 ffio_wfourcc(pb, "stbl");
1223 mov_write_stsd_tag(pb, track);
1224 mov_write_stts_tag(pb, track);
1225 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1226 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1227 track->has_keyframes && track->has_keyframes < track->entry)
1228 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1229 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1230 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1231 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1232 track->flags & MOV_TRACK_CTTS)
1233 mov_write_ctts_tag(pb, track);
1234 mov_write_stsc_tag(pb, track);
1235 mov_write_stsz_tag(pb, track);
1236 mov_write_stco_tag(pb, track);
1237 return update_size(pb, pos);
1240 static int mov_write_dinf_tag(AVIOContext *pb)
1242 int64_t pos = avio_tell(pb);
1243 avio_wb32(pb, 0); /* size */
1244 ffio_wfourcc(pb, "dinf");
1245 mov_write_dref_tag(pb);
1246 return update_size(pb, pos);
1249 static int mov_write_nmhd_tag(AVIOContext *pb)
1252 ffio_wfourcc(pb, "nmhd");
1257 static int mov_write_gmhd_tag(AVIOContext *pb)
1259 avio_wb32(pb, 0x20); /* size */
1260 ffio_wfourcc(pb, "gmhd");
1261 avio_wb32(pb, 0x18); /* gmin size */
1262 ffio_wfourcc(pb, "gmin");/* generic media info */
1263 avio_wb32(pb, 0); /* version & flags */
1264 avio_wb16(pb, 0x40); /* graphics mode = */
1265 avio_wb16(pb, 0x8000); /* opColor (r?) */
1266 avio_wb16(pb, 0x8000); /* opColor (g?) */
1267 avio_wb16(pb, 0x8000); /* opColor (b?) */
1268 avio_wb16(pb, 0); /* balance */
1269 avio_wb16(pb, 0); /* reserved */
1273 static int mov_write_smhd_tag(AVIOContext *pb)
1275 avio_wb32(pb, 16); /* size */
1276 ffio_wfourcc(pb, "smhd");
1277 avio_wb32(pb, 0); /* version & flags */
1278 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1279 avio_wb16(pb, 0); /* reserved */
1283 static int mov_write_vmhd_tag(AVIOContext *pb)
1285 avio_wb32(pb, 0x14); /* size (always 0x14) */
1286 ffio_wfourcc(pb, "vmhd");
1287 avio_wb32(pb, 0x01); /* version & flags */
1288 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1292 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1294 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1295 int64_t pos = avio_tell(pb);
1299 descr = "DataHandler";
1302 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1303 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1305 descr = "VideoHandler";
1306 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1308 descr = "SoundHandler";
1309 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1310 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1311 else hdlr_type = "text";
1312 descr = "SubtitleHandler";
1313 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1315 descr = "HintHandler";
1316 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1318 descr = "TimeCodeHandler";
1321 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1322 track->enc->codec_tag);
1324 av_log(track->enc, AV_LOG_WARNING,
1325 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1326 tag_buf, track->enc->codec_tag);
1330 avio_wb32(pb, 0); /* size */
1331 ffio_wfourcc(pb, "hdlr");
1332 avio_wb32(pb, 0); /* Version & flags */
1333 avio_write(pb, hdlr, 4); /* handler */
1334 ffio_wfourcc(pb, hdlr_type); /* handler type */
1335 avio_wb32(pb, 0); /* reserved */
1336 avio_wb32(pb, 0); /* reserved */
1337 avio_wb32(pb, 0); /* reserved */
1338 if (!track || track->mode == MODE_MOV)
1339 avio_w8(pb, strlen(descr)); /* pascal string */
1340 avio_write(pb, descr, strlen(descr)); /* handler description */
1341 if (track && track->mode != MODE_MOV)
1342 avio_w8(pb, 0); /* c string */
1343 return update_size(pb, pos);
1346 static int mov_write_hmhd_tag(AVIOContext *pb)
1348 /* This atom must be present, but leaving the values at zero
1349 * seems harmless. */
1350 avio_wb32(pb, 28); /* size */
1351 ffio_wfourcc(pb, "hmhd");
1352 avio_wb32(pb, 0); /* version, flags */
1353 avio_wb16(pb, 0); /* maxPDUsize */
1354 avio_wb16(pb, 0); /* avgPDUsize */
1355 avio_wb32(pb, 0); /* maxbitrate */
1356 avio_wb32(pb, 0); /* avgbitrate */
1357 avio_wb32(pb, 0); /* reserved */
1361 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1363 int64_t pos = avio_tell(pb);
1364 avio_wb32(pb, 0); /* size */
1365 ffio_wfourcc(pb, "minf");
1366 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1367 mov_write_vmhd_tag(pb);
1368 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1369 mov_write_smhd_tag(pb);
1370 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1371 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1372 else mov_write_nmhd_tag(pb);
1373 } else if (track->tag == MKTAG('r','t','p',' ')) {
1374 mov_write_hmhd_tag(pb);
1375 } else if (track->tag == MKTAG('t','m','c','d')) {
1376 mov_write_gmhd_tag(pb);
1378 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1379 mov_write_hdlr_tag(pb, NULL);
1380 mov_write_dinf_tag(pb);
1381 mov_write_stbl_tag(pb, track);
1382 return update_size(pb, pos);
1385 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1387 int version = track->track_duration < INT32_MAX ? 0 : 1;
1389 if (track->mode == MODE_ISM)
1392 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1393 ffio_wfourcc(pb, "mdhd");
1394 avio_w8(pb, version);
1395 avio_wb24(pb, 0); /* flags */
1397 avio_wb64(pb, track->time);
1398 avio_wb64(pb, track->time);
1400 avio_wb32(pb, track->time); /* creation time */
1401 avio_wb32(pb, track->time); /* modification time */
1403 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1405 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1407 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1408 avio_wb16(pb, track->language); /* language */
1409 avio_wb16(pb, 0); /* reserved (quality) */
1411 if (version != 0 && track->mode == MODE_MOV) {
1412 av_log(NULL, AV_LOG_ERROR,
1413 "FATAL error, file duration too long for timebase, this file will not be\n"
1414 "playable with quicktime. Choose a different timebase or a different\n"
1415 "container format\n");
1421 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1423 int64_t pos = avio_tell(pb);
1424 avio_wb32(pb, 0); /* size */
1425 ffio_wfourcc(pb, "mdia");
1426 mov_write_mdhd_tag(pb, track);
1427 mov_write_hdlr_tag(pb, track);
1428 mov_write_minf_tag(pb, track);
1429 return update_size(pb, pos);
1432 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1434 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1435 track->timescale, AV_ROUND_UP);
1436 int version = duration < INT32_MAX ? 0 : 1;
1438 if (track->mode == MODE_ISM)
1441 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1442 ffio_wfourcc(pb, "tkhd");
1443 avio_w8(pb, version);
1444 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1445 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1446 MOV_TKHD_FLAG_IN_MOVIE);
1448 avio_wb64(pb, track->time);
1449 avio_wb64(pb, track->time);
1451 avio_wb32(pb, track->time); /* creation time */
1452 avio_wb32(pb, track->time); /* modification time */
1454 avio_wb32(pb, track->track_id); /* track-id */
1455 avio_wb32(pb, 0); /* reserved */
1457 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1459 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1461 avio_wb32(pb, 0); /* reserved */
1462 avio_wb32(pb, 0); /* reserved */
1463 avio_wb16(pb, 0); /* layer */
1464 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1465 /* Volume, only for audio */
1466 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1467 avio_wb16(pb, 0x0100);
1470 avio_wb16(pb, 0); /* reserved */
1472 /* Matrix structure */
1473 avio_wb32(pb, 0x00010000); /* reserved */
1474 avio_wb32(pb, 0x0); /* reserved */
1475 avio_wb32(pb, 0x0); /* reserved */
1476 avio_wb32(pb, 0x0); /* reserved */
1477 avio_wb32(pb, 0x00010000); /* reserved */
1478 avio_wb32(pb, 0x0); /* reserved */
1479 avio_wb32(pb, 0x0); /* reserved */
1480 avio_wb32(pb, 0x0); /* reserved */
1481 avio_wb32(pb, 0x40000000); /* reserved */
1483 /* Track width and height, for visual only */
1484 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1485 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1486 if (track->mode == MODE_MOV) {
1487 avio_wb32(pb, track->enc->width << 16);
1488 avio_wb32(pb, track->height << 16);
1490 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1491 if (!sample_aspect_ratio || track->height != track->enc->height)
1492 sample_aspect_ratio = 1;
1493 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1494 avio_wb32(pb, track->height * 0x10000);
1503 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1505 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1506 track->enc->sample_aspect_ratio.den);
1508 int64_t pos = avio_tell(pb);
1510 avio_wb32(pb, 0); /* size */
1511 ffio_wfourcc(pb, "tapt");
1514 ffio_wfourcc(pb, "clef");
1516 avio_wb32(pb, width << 16);
1517 avio_wb32(pb, track->enc->height << 16);
1520 ffio_wfourcc(pb, "enof");
1522 avio_wb32(pb, track->enc->width << 16);
1523 avio_wb32(pb, track->enc->height << 16);
1525 return update_size(pb, pos);
1528 // This box seems important for the psp playback ... without it the movie seems to hang
1529 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1531 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1532 track->timescale, AV_ROUND_UP);
1533 int version = duration < INT32_MAX ? 0 : 1;
1534 int entry_size, entry_count, size;
1535 int64_t delay, start_ct = track->cluster[0].cts;
1536 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1537 track->timescale, AV_ROUND_DOWN);
1538 version |= delay < INT32_MAX ? 0 : 1;
1540 entry_size = (version == 1) ? 20 : 12;
1541 entry_count = 1 + (delay > 0);
1542 size = 24 + entry_count * entry_size;
1544 /* write the atom data */
1545 avio_wb32(pb, size);
1546 ffio_wfourcc(pb, "edts");
1547 avio_wb32(pb, size - 8);
1548 ffio_wfourcc(pb, "elst");
1549 avio_w8(pb, version);
1550 avio_wb24(pb, 0); /* flags */
1552 avio_wb32(pb, entry_count);
1553 if (delay > 0) { /* add an empty edit to delay presentation */
1555 avio_wb64(pb, delay);
1558 avio_wb32(pb, delay);
1561 avio_wb32(pb, 0x00010000);
1566 avio_wb64(pb, duration);
1567 avio_wb64(pb, start_ct);
1569 avio_wb32(pb, duration);
1570 avio_wb32(pb, start_ct);
1572 avio_wb32(pb, 0x00010000);
1576 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1578 avio_wb32(pb, 20); // size
1579 ffio_wfourcc(pb, "tref");
1580 avio_wb32(pb, 12); // size (subatom)
1581 avio_wl32(pb, track->tref_tag);
1582 avio_wb32(pb, track->tref_id);
1586 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1587 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1589 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1590 ffio_wfourcc(pb, "uuid");
1591 ffio_wfourcc(pb, "USMT");
1592 avio_wb32(pb, 0x21d24fce);
1593 avio_wb32(pb, 0xbb88695c);
1594 avio_wb32(pb, 0xfac9c740);
1595 avio_wb32(pb, 0x1c); // another size here!
1596 ffio_wfourcc(pb, "MTDT");
1597 avio_wb32(pb, 0x00010012);
1598 avio_wb32(pb, 0x0a);
1599 avio_wb32(pb, 0x55c40000);
1605 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1607 AVFormatContext *ctx = track->rtp_ctx;
1608 char buf[1000] = "";
1611 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1612 NULL, NULL, 0, 0, ctx);
1613 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1616 avio_wb32(pb, len + 24);
1617 ffio_wfourcc(pb, "udta");
1618 avio_wb32(pb, len + 16);
1619 ffio_wfourcc(pb, "hnti");
1620 avio_wb32(pb, len + 8);
1621 ffio_wfourcc(pb, "sdp ");
1622 avio_write(pb, buf, len);
1626 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1627 MOVTrack *track, AVStream *st)
1629 int64_t pos = avio_tell(pb);
1630 avio_wb32(pb, 0); /* size */
1631 ffio_wfourcc(pb, "trak");
1632 mov_write_tkhd_tag(pb, track, st);
1633 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1634 (track->entry && track->cluster[0].dts)) {
1635 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1636 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1638 if (track->tref_tag)
1639 mov_write_tref_tag(pb, track);
1640 mov_write_mdia_tag(pb, track);
1641 if (track->mode == MODE_PSP)
1642 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1643 if (track->tag == MKTAG('r','t','p',' '))
1644 mov_write_udta_sdp(pb, track);
1645 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1646 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1647 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1648 mov_write_tapt_tag(pb, track);
1650 return update_size(pb, pos);
1653 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1655 int i, has_audio = 0, has_video = 0;
1656 int64_t pos = avio_tell(pb);
1657 int audio_profile = mov->iods_audio_profile;
1658 int video_profile = mov->iods_video_profile;
1659 for (i = 0; i < mov->nb_streams; i++) {
1660 if (mov->tracks[i].entry > 0) {
1661 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1662 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1665 if (audio_profile < 0)
1666 audio_profile = 0xFF - has_audio;
1667 if (video_profile < 0)
1668 video_profile = 0xFF - has_video;
1669 avio_wb32(pb, 0x0); /* size */
1670 ffio_wfourcc(pb, "iods");
1671 avio_wb32(pb, 0); /* version & flags */
1672 put_descr(pb, 0x10, 7);
1673 avio_wb16(pb, 0x004f);
1676 avio_w8(pb, audio_profile);
1677 avio_w8(pb, video_profile);
1679 return update_size(pb, pos);
1682 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1684 avio_wb32(pb, 0x20); /* size */
1685 ffio_wfourcc(pb, "trex");
1686 avio_wb32(pb, 0); /* version & flags */
1687 avio_wb32(pb, track->track_id); /* track ID */
1688 avio_wb32(pb, 1); /* default sample description index */
1689 avio_wb32(pb, 0); /* default sample duration */
1690 avio_wb32(pb, 0); /* default sample size */
1691 avio_wb32(pb, 0); /* default sample flags */
1695 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1697 int64_t pos = avio_tell(pb);
1699 avio_wb32(pb, 0x0); /* size */
1700 ffio_wfourcc(pb, "mvex");
1701 for (i = 0; i < mov->nb_streams; i++)
1702 mov_write_trex_tag(pb, &mov->tracks[i]);
1703 return update_size(pb, pos);
1706 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1708 int max_track_id = 1, i;
1709 int64_t max_track_len_temp, max_track_len = 0;
1712 for (i = 0; i < mov->nb_streams; i++) {
1713 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1714 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1716 mov->tracks[i].timescale,
1718 if (max_track_len < max_track_len_temp)
1719 max_track_len = max_track_len_temp;
1720 if (max_track_id < mov->tracks[i].track_id)
1721 max_track_id = mov->tracks[i].track_id;
1725 version = max_track_len < UINT32_MAX ? 0 : 1;
1726 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1727 ffio_wfourcc(pb, "mvhd");
1728 avio_w8(pb, version);
1729 avio_wb24(pb, 0); /* flags */
1731 avio_wb64(pb, mov->time);
1732 avio_wb64(pb, mov->time);
1734 avio_wb32(pb, mov->time); /* creation time */
1735 avio_wb32(pb, mov->time); /* modification time */
1737 avio_wb32(pb, MOV_TIMESCALE);
1738 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1740 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1741 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1742 avio_wb16(pb, 0); /* reserved */
1743 avio_wb32(pb, 0); /* reserved */
1744 avio_wb32(pb, 0); /* reserved */
1746 /* Matrix structure */
1747 avio_wb32(pb, 0x00010000); /* reserved */
1748 avio_wb32(pb, 0x0); /* reserved */
1749 avio_wb32(pb, 0x0); /* reserved */
1750 avio_wb32(pb, 0x0); /* reserved */
1751 avio_wb32(pb, 0x00010000); /* reserved */
1752 avio_wb32(pb, 0x0); /* reserved */
1753 avio_wb32(pb, 0x0); /* reserved */
1754 avio_wb32(pb, 0x0); /* reserved */
1755 avio_wb32(pb, 0x40000000); /* reserved */
1757 avio_wb32(pb, 0); /* reserved (preview time) */
1758 avio_wb32(pb, 0); /* reserved (preview duration) */
1759 avio_wb32(pb, 0); /* reserved (poster time) */
1760 avio_wb32(pb, 0); /* reserved (selection time) */
1761 avio_wb32(pb, 0); /* reserved (selection duration) */
1762 avio_wb32(pb, 0); /* reserved (current time) */
1763 avio_wb32(pb, max_track_id + 1); /* Next track id */
1767 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1770 avio_wb32(pb, 33); /* size */
1771 ffio_wfourcc(pb, "hdlr");
1774 ffio_wfourcc(pb, "mdir");
1775 ffio_wfourcc(pb, "appl");
1782 /* helper function to write a data tag with the specified string as data */
1783 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1786 int size = 16 + strlen(data);
1787 avio_wb32(pb, size); /* size */
1788 ffio_wfourcc(pb, "data");
1791 avio_write(pb, data, strlen(data));
1795 lang = ff_mov_iso639_to_lang("und", 1);
1796 avio_wb16(pb, strlen(data)); /* string length */
1797 avio_wb16(pb, lang);
1798 avio_write(pb, data, strlen(data));
1799 return strlen(data) + 4;
1803 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1804 const char *value, int lang, int long_style)
1807 if (value && value[0]) {
1808 int64_t pos = avio_tell(pb);
1809 avio_wb32(pb, 0); /* size */
1810 ffio_wfourcc(pb, name);
1811 mov_write_string_data_tag(pb, value, lang, long_style);
1812 size = update_size(pb, pos);
1817 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1818 const char *name, const char *tag,
1821 int l, lang = 0, len, len2;
1822 AVDictionaryEntry *t, *t2 = NULL;
1825 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1828 len = strlen(t->key);
1829 snprintf(tag2, sizeof(tag2), "%s-", tag);
1830 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1831 len2 = strlen(t2->key);
1832 if (len2 == len + 4 && !strcmp(t->value, t2->value)
1833 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
1838 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1841 /* iTunes track number */
1842 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1845 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1846 int size = 0, track = t ? atoi(t->value) : 0;
1848 avio_wb32(pb, 32); /* size */
1849 ffio_wfourcc(pb, "trkn");
1850 avio_wb32(pb, 24); /* size */
1851 ffio_wfourcc(pb, "data");
1852 avio_wb32(pb, 0); // 8 bytes empty
1854 avio_wb16(pb, 0); // empty
1855 avio_wb16(pb, track); // track number
1856 avio_wb16(pb, 0); // total track number
1857 avio_wb16(pb, 0); // empty
1863 /* iTunes meta data list */
1864 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1867 int64_t pos = avio_tell(pb);
1868 avio_wb32(pb, 0); /* size */
1869 ffio_wfourcc(pb, "ilst");
1870 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1871 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1872 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1873 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1874 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1875 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1876 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
1877 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1878 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1879 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1880 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1881 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1882 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1883 mov_write_string_metadata(s, pb, "desc", "description",1);
1884 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1885 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1886 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1887 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1888 mov_write_trkn_tag(pb, mov, s);
1889 return update_size(pb, pos);
1892 /* iTunes meta data tag */
1893 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1897 int64_t pos = avio_tell(pb);
1898 avio_wb32(pb, 0); /* size */
1899 ffio_wfourcc(pb, "meta");
1901 mov_write_itunes_hdlr_tag(pb, mov, s);
1902 mov_write_ilst_tag(pb, mov, s);
1903 size = update_size(pb, pos);
1907 static int utf8len(const uint8_t *b)
1912 GET_UTF8(val, *b++, return -1;)
1918 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1922 GET_UTF8(val, *b++, return -1;)
1925 avio_wb16(pb, 0x00);
1929 static uint16_t language_code(const char *str)
1931 return (((str[0] - 0x60) & 0x1F) << 10) +
1932 (((str[1] - 0x60) & 0x1F) << 5) +
1933 (( str[2] - 0x60) & 0x1F);
1936 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1937 const char *tag, const char *str)
1939 int64_t pos = avio_tell(pb);
1940 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1941 if (!t || !utf8len(t->value))
1943 avio_wb32(pb, 0); /* size */
1944 ffio_wfourcc(pb, tag); /* type */
1945 avio_wb32(pb, 0); /* version + flags */
1946 if (!strcmp(tag, "yrrc"))
1947 avio_wb16(pb, atoi(t->value));
1949 avio_wb16(pb, language_code("eng")); /* language */
1950 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
1951 if (!strcmp(tag, "albm") &&
1952 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1953 avio_w8(pb, atoi(t->value));
1955 return update_size(pb, pos);
1958 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1960 int64_t pos = avio_tell(pb);
1961 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1963 avio_wb32(pb, 0); // size
1964 ffio_wfourcc(pb, "chpl");
1965 avio_wb32(pb, 0x01000000); // version + flags
1966 avio_wb32(pb, 0); // unknown
1967 avio_w8(pb, nb_chapters);
1969 for (i = 0; i < nb_chapters; i++) {
1970 AVChapter *c = s->chapters[i];
1971 AVDictionaryEntry *t;
1972 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1974 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1975 int len = FFMIN(strlen(t->value), 255);
1977 avio_write(pb, t->value, len);
1981 return update_size(pb, pos);
1984 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1987 AVIOContext *pb_buf;
1991 for (i = 0; i < s->nb_streams; i++)
1992 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1996 ret = avio_open_dyn_buf(&pb_buf);
2000 if (mov->mode & MODE_3GP) {
2001 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2002 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2003 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2004 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2005 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2006 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2007 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2008 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2009 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2010 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2011 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2012 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2013 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2014 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2015 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2016 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2017 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2018 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2020 /* iTunes meta data */
2021 mov_write_meta_tag(pb_buf, mov, s);
2025 mov_write_chpl_tag(pb_buf, s);
2027 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2028 avio_wb32(pb, size + 8);
2029 ffio_wfourcc(pb, "udta");
2030 avio_write(pb, buf, size);
2037 static void mov_write_psp_udta_tag(AVIOContext *pb,
2038 const char *str, const char *lang, int type)
2040 int len = utf8len(str) + 1;
2043 avio_wb16(pb, len * 2 + 10); /* size */
2044 avio_wb32(pb, type); /* type */
2045 avio_wb16(pb, language_code(lang)); /* language */
2046 avio_wb16(pb, 0x01); /* ? */
2047 ascii_to_wc(pb, str);
2050 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2052 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2056 pos = avio_tell(pb);
2057 avio_wb32(pb, 0); /* size placeholder*/
2058 ffio_wfourcc(pb, "uuid");
2059 ffio_wfourcc(pb, "USMT");
2060 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2061 avio_wb32(pb, 0xbb88695c);
2062 avio_wb32(pb, 0xfac9c740);
2064 pos2 = avio_tell(pb);
2065 avio_wb32(pb, 0); /* size placeholder*/
2066 ffio_wfourcc(pb, "MTDT");
2070 avio_wb16(pb, 0x0C); /* size */
2071 avio_wb32(pb, 0x0B); /* type */
2072 avio_wb16(pb, language_code("und")); /* language */
2073 avio_wb16(pb, 0x0); /* ? */
2074 avio_wb16(pb, 0x021C); /* data */
2076 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2077 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2078 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2080 update_size(pb, pos2);
2081 return update_size(pb, pos);
2087 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2091 int64_t pos = avio_tell(pb);
2092 avio_wb32(pb, 0); /* size placeholder*/
2093 ffio_wfourcc(pb, "moov");
2095 for (i = 0; i < mov->nb_streams; i++) {
2096 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2099 mov->tracks[i].time = mov->time;
2100 mov->tracks[i].track_id = i + 1;
2103 if (mov->chapter_track)
2104 for (i = 0; i < s->nb_streams; i++) {
2105 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2106 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2108 for (i = 0; i < mov->nb_streams; i++) {
2109 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2110 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2111 mov->tracks[i].tref_id =
2112 mov->tracks[mov->tracks[i].src_track].track_id;
2116 mov_write_mvhd_tag(pb, mov);
2117 if (mov->mode != MODE_MOV && !mov->iods_skip)
2118 mov_write_iods_tag(pb, mov);
2119 for (i = 0; i < mov->nb_streams; i++) {
2120 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2121 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2124 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2125 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2127 if (mov->mode == MODE_PSP)
2128 mov_write_uuidusmt_tag(pb, s);
2130 mov_write_udta_tag(pb, mov, s);
2132 return update_size(pb, pos);
2135 static void param_write_int(AVIOContext *pb, const char *name, int value)
2137 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2140 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2142 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2145 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2148 len = FFMIN(sizeof(buf) / 2 - 1, len);
2149 ff_data_to_hex(buf, value, len, 0);
2150 buf[2 * len] = '\0';
2151 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2154 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2156 int64_t pos = avio_tell(pb);
2158 const uint8_t uuid[] = {
2159 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2160 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2164 ffio_wfourcc(pb, "uuid");
2165 avio_write(pb, uuid, sizeof(uuid));
2168 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2169 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2170 avio_printf(pb, "<head>\n");
2171 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2173 avio_printf(pb, "</head>\n");
2174 avio_printf(pb, "<body>\n");
2175 avio_printf(pb, "<switch>\n");
2176 for (i = 0; i < mov->nb_streams; i++) {
2177 MOVTrack *track = &mov->tracks[i];
2179 /* track->track_id is initialized in write_moov, and thus isn't known
2181 int track_id = i + 1;
2183 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2185 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2190 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2191 track->enc->bit_rate);
2192 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2193 param_write_int(pb, "trackID", track_id);
2194 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2195 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2197 int size = track->enc->extradata_size;
2198 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2200 param_write_hex(pb, "CodecPrivateData",
2201 ptr ? ptr : track->enc->extradata,
2205 param_write_string(pb, "FourCC", "H264");
2206 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2207 param_write_string(pb, "FourCC", "WVC1");
2208 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2209 track->enc->extradata_size);
2211 param_write_int(pb, "MaxWidth", track->enc->width);
2212 param_write_int(pb, "MaxHeight", track->enc->height);
2213 param_write_int(pb, "DisplayWidth", track->enc->width);
2214 param_write_int(pb, "DisplayHeight", track->enc->height);
2216 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2217 param_write_string(pb, "FourCC", "AACL");
2218 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2219 param_write_string(pb, "FourCC", "WMAP");
2221 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2222 track->enc->extradata_size);
2223 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2224 track->enc->codec_id));
2225 param_write_int(pb, "Channels", track->enc->channels);
2226 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2227 param_write_int(pb, "BitsPerSample", 16);
2228 param_write_int(pb, "PacketSize", track->enc->block_align ?
2229 track->enc->block_align : 4);
2231 avio_printf(pb, "</%s>\n", type);
2233 avio_printf(pb, "</switch>\n");
2234 avio_printf(pb, "</body>\n");
2235 avio_printf(pb, "</smil>\n");
2237 return update_size(pb, pos);
2240 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2243 ffio_wfourcc(pb, "mfhd");
2245 avio_wb32(pb, mov->fragments);
2249 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2250 MOVTrack *track, int64_t moof_offset)
2252 int64_t pos = avio_tell(pb);
2253 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2254 MOV_TFHD_BASE_DATA_OFFSET;
2255 if (!track->entry) {
2256 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2258 flags |= MOV_TFHD_DEFAULT_FLAGS;
2260 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2261 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2263 /* Don't set a default sample size, the silverlight player refuses
2264 * to play files with that set. Don't set a default sample duration,
2265 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2266 * file format says it MUST NOT be set. */
2267 if (track->mode == MODE_ISM)
2268 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2269 MOV_TFHD_BASE_DATA_OFFSET);
2271 avio_wb32(pb, 0); /* size placeholder */
2272 ffio_wfourcc(pb, "tfhd");
2273 avio_w8(pb, 0); /* version */
2274 avio_wb24(pb, flags);
2276 avio_wb32(pb, track->track_id); /* track-id */
2277 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2278 avio_wb64(pb, moof_offset);
2279 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2280 track->default_duration = get_cluster_duration(track, 0);
2281 avio_wb32(pb, track->default_duration);
2283 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2284 track->default_size = track->entry ? track->cluster[0].size : 1;
2285 avio_wb32(pb, track->default_size);
2287 track->default_size = -1;
2289 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2290 track->default_sample_flags =
2291 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2292 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2293 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2294 avio_wb32(pb, track->default_sample_flags);
2297 return update_size(pb, pos);
2300 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2302 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2303 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2306 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2307 MOVTrack *track, int moof_size)
2309 int64_t pos = avio_tell(pb);
2310 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2313 for (i = 0; i < track->entry; i++) {
2314 if (get_cluster_duration(track, i) != track->default_duration)
2315 flags |= MOV_TRUN_SAMPLE_DURATION;
2316 if (track->cluster[i].size != track->default_size)
2317 flags |= MOV_TRUN_SAMPLE_SIZE;
2318 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2319 flags |= MOV_TRUN_SAMPLE_FLAGS;
2321 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2322 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2323 if (track->flags & MOV_TRACK_CTTS)
2324 flags |= MOV_TRUN_SAMPLE_CTS;
2326 avio_wb32(pb, 0); /* size placeholder */
2327 ffio_wfourcc(pb, "trun");
2328 avio_w8(pb, 0); /* version */
2329 avio_wb24(pb, flags);
2331 avio_wb32(pb, track->entry); /* sample count */
2332 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2333 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2334 track->track_id != 1)
2335 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2337 avio_wb32(pb, moof_size + 8 + track->data_offset +
2338 track->cluster[0].pos); /* data offset */
2339 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2340 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2342 for (i = 0; i < track->entry; i++) {
2343 if (flags & MOV_TRUN_SAMPLE_DURATION)
2344 avio_wb32(pb, get_cluster_duration(track, i));
2345 if (flags & MOV_TRUN_SAMPLE_SIZE)
2346 avio_wb32(pb, track->cluster[i].size);
2347 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2348 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2349 if (flags & MOV_TRUN_SAMPLE_CTS)
2350 avio_wb32(pb, track->cluster[i].cts);
2353 return update_size(pb, pos);
2356 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2358 int64_t pos = avio_tell(pb);
2359 const uint8_t uuid[] = {
2360 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2361 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2364 avio_wb32(pb, 0); /* size placeholder */
2365 ffio_wfourcc(pb, "uuid");
2366 avio_write(pb, uuid, sizeof(uuid));
2369 avio_wb64(pb, track->frag_start);
2370 avio_wb64(pb, track->start_dts + track->track_duration -
2371 track->cluster[0].dts);
2373 return update_size(pb, pos);
2376 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2377 MOVTrack *track, int entry)
2379 int n = track->nb_frag_info - 1 - entry, i;
2380 int size = 8 + 16 + 4 + 1 + 16*n;
2381 const uint8_t uuid[] = {
2382 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2383 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2389 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2390 avio_wb32(pb, size);
2391 ffio_wfourcc(pb, "uuid");
2392 avio_write(pb, uuid, sizeof(uuid));
2396 for (i = 0; i < n; i++) {
2397 int index = entry + 1 + i;
2398 avio_wb64(pb, track->frag_info[index].time);
2399 avio_wb64(pb, track->frag_info[index].duration);
2401 if (n < mov->ism_lookahead) {
2402 int free_size = 16 * (mov->ism_lookahead - n);
2403 avio_wb32(pb, free_size);
2404 ffio_wfourcc(pb, "free");
2405 for (i = 0; i < free_size - 8; i++)
2412 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2415 int64_t pos = avio_tell(pb);
2417 for (i = 0; i < mov->ism_lookahead; i++) {
2418 /* Update the tfrf tag for the last ism_lookahead fragments,
2419 * nb_frag_info - 1 is the next fragment to be written. */
2420 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2422 avio_seek(pb, pos, SEEK_SET);
2426 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2427 MOVTrack *track, int64_t moof_offset,
2430 int64_t pos = avio_tell(pb);
2431 avio_wb32(pb, 0); /* size placeholder */
2432 ffio_wfourcc(pb, "traf");
2434 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2435 mov_write_trun_tag(pb, mov, track, moof_size);
2436 if (mov->mode == MODE_ISM) {
2437 mov_write_tfxd_tag(pb, track);
2439 if (mov->ism_lookahead) {
2440 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2442 track->tfrf_offset = avio_tell(pb);
2443 avio_wb32(pb, 8 + size);
2444 ffio_wfourcc(pb, "free");
2445 for (i = 0; i < size; i++)
2450 return update_size(pb, pos);
2453 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2454 int tracks, int moof_size)
2456 int64_t pos = avio_tell(pb);
2459 avio_wb32(pb, 0); /* size placeholder */
2460 ffio_wfourcc(pb, "moof");
2462 mov_write_mfhd_tag(pb, mov);
2463 for (i = 0; i < mov->nb_streams; i++) {
2464 MOVTrack *track = &mov->tracks[i];
2465 if (tracks >= 0 && i != tracks)
2469 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2472 return update_size(pb, pos);
2475 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2477 AVIOContext *avio_buf;
2480 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2482 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2483 moof_size = ffio_close_null_buf(avio_buf);
2484 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2487 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2489 int64_t pos = avio_tell(pb);
2492 avio_wb32(pb, 0); /* size placeholder */
2493 ffio_wfourcc(pb, "tfra");
2494 avio_w8(pb, 1); /* version */
2497 avio_wb32(pb, track->track_id);
2498 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2499 avio_wb32(pb, track->nb_frag_info);
2500 for (i = 0; i < track->nb_frag_info; i++) {
2501 avio_wb64(pb, track->frag_info[i].time);
2502 avio_wb64(pb, track->frag_info[i].offset);
2503 avio_w8(pb, 1); /* traf number */
2504 avio_w8(pb, 1); /* trun number */
2505 avio_w8(pb, 1); /* sample number */
2508 return update_size(pb, pos);
2511 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2513 int64_t pos = avio_tell(pb);
2516 avio_wb32(pb, 0); /* size placeholder */
2517 ffio_wfourcc(pb, "mfra");
2518 /* An empty mfra atom is enough to indicate to the publishing point that
2519 * the stream has ended. */
2520 if (mov->flags & FF_MOV_FLAG_ISML)
2521 return update_size(pb, pos);
2523 for (i = 0; i < mov->nb_streams; i++) {
2524 MOVTrack *track = &mov->tracks[i];
2525 if (track->nb_frag_info)
2526 mov_write_tfra_tag(pb, track);
2530 ffio_wfourcc(pb, "mfro");
2531 avio_wb32(pb, 0); /* version + flags */
2532 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2534 return update_size(pb, pos);
2537 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2539 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2540 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2542 mov->mdat_pos = avio_tell(pb);
2543 avio_wb32(pb, 0); /* size placeholder*/
2544 ffio_wfourcc(pb, "mdat");
2548 /* TODO: This needs to be more general */
2549 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2551 MOVMuxContext *mov = s->priv_data;
2552 int64_t pos = avio_tell(pb);
2553 int has_h264 = 0, has_video = 0;
2557 for (i = 0; i < s->nb_streams; i++) {
2558 AVStream *st = s->streams[i];
2559 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2561 if (st->codec->codec_id == AV_CODEC_ID_H264)
2565 avio_wb32(pb, 0); /* size */
2566 ffio_wfourcc(pb, "ftyp");
2568 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2569 ffio_wfourcc(pb, mov->major_brand);
2570 else if (mov->mode == MODE_3GP) {
2571 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2572 minor = has_h264 ? 0x100 : 0x200;
2573 } else if (mov->mode & MODE_3G2) {
2574 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2575 minor = has_h264 ? 0x20000 : 0x10000;
2576 } else if (mov->mode == MODE_PSP)
2577 ffio_wfourcc(pb, "MSNV");
2578 else if (mov->mode == MODE_MP4)
2579 ffio_wfourcc(pb, "isom");
2580 else if (mov->mode == MODE_IPOD)
2581 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2582 else if (mov->mode == MODE_ISM)
2583 ffio_wfourcc(pb, "isml");
2584 else if (mov->mode == MODE_F4V)
2585 ffio_wfourcc(pb, "f4v ");
2587 ffio_wfourcc(pb, "qt ");
2589 avio_wb32(pb, minor);
2591 if (mov->mode == MODE_MOV)
2592 ffio_wfourcc(pb, "qt ");
2593 else if (mov->mode == MODE_ISM) {
2594 ffio_wfourcc(pb, "piff");
2595 ffio_wfourcc(pb, "iso2");
2597 ffio_wfourcc(pb, "isom");
2598 ffio_wfourcc(pb, "iso2");
2600 ffio_wfourcc(pb, "avc1");
2603 if (mov->mode == MODE_3GP)
2604 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2605 else if (mov->mode & MODE_3G2)
2606 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2607 else if (mov->mode == MODE_PSP)
2608 ffio_wfourcc(pb, "MSNV");
2609 else if (mov->mode == MODE_MP4)
2610 ffio_wfourcc(pb, "mp41");
2611 return update_size(pb, pos);
2614 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2616 AVCodecContext *video_codec = s->streams[0]->codec;
2617 AVCodecContext *audio_codec = s->streams[1]->codec;
2618 int audio_rate = audio_codec->sample_rate;
2619 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2620 int audio_kbitrate = audio_codec->bit_rate / 1000;
2621 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2623 avio_wb32(pb, 0x94); /* size */
2624 ffio_wfourcc(pb, "uuid");
2625 ffio_wfourcc(pb, "PROF");
2627 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2628 avio_wb32(pb, 0xbb88695c);
2629 avio_wb32(pb, 0xfac9c740);
2631 avio_wb32(pb, 0x0); /* ? */
2632 avio_wb32(pb, 0x3); /* 3 sections ? */
2634 avio_wb32(pb, 0x14); /* size */
2635 ffio_wfourcc(pb, "FPRF");
2636 avio_wb32(pb, 0x0); /* ? */
2637 avio_wb32(pb, 0x0); /* ? */
2638 avio_wb32(pb, 0x0); /* ? */
2640 avio_wb32(pb, 0x2c); /* size */
2641 ffio_wfourcc(pb, "APRF"); /* audio */
2643 avio_wb32(pb, 0x2); /* TrackID */
2644 ffio_wfourcc(pb, "mp4a");
2645 avio_wb32(pb, 0x20f);
2647 avio_wb32(pb, audio_kbitrate);
2648 avio_wb32(pb, audio_kbitrate);
2649 avio_wb32(pb, audio_rate);
2650 avio_wb32(pb, audio_codec->channels);
2652 avio_wb32(pb, 0x34); /* size */
2653 ffio_wfourcc(pb, "VPRF"); /* video */
2655 avio_wb32(pb, 0x1); /* TrackID */
2656 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2657 ffio_wfourcc(pb, "avc1");
2658 avio_wb16(pb, 0x014D);
2659 avio_wb16(pb, 0x0015);
2661 ffio_wfourcc(pb, "mp4v");
2662 avio_wb16(pb, 0x0000);
2663 avio_wb16(pb, 0x0103);
2666 avio_wb32(pb, video_kbitrate);
2667 avio_wb32(pb, video_kbitrate);
2668 avio_wb32(pb, frame_rate);
2669 avio_wb32(pb, frame_rate);
2670 avio_wb16(pb, video_codec->width);
2671 avio_wb16(pb, video_codec->height);
2672 avio_wb32(pb, 0x010001); /* ? */
2675 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2678 int i, closed_gop = 0;
2680 for (i = 0; i < pkt->size - 4; i++) {
2681 c = (c << 8) + pkt->data[i];
2682 if (c == 0x1b8) { // gop
2683 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2684 } else if (c == 0x100) { // pic
2685 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
2686 if (!temp_ref || closed_gop) // I picture is not reordered
2687 *flags = MOV_SYNC_SAMPLE;
2689 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2696 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2698 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2699 int seq = 0, entry = 0;
2700 int key = pkt->flags & AV_PKT_FLAG_KEY;
2701 start = find_next_marker(pkt->data, end);
2702 for (next = start; next < end; start = next) {
2703 next = find_next_marker(start + 4, end);
2704 switch (AV_RB32(start)) {
2705 case VC1_CODE_SEQHDR:
2708 case VC1_CODE_ENTRYPOINT:
2711 case VC1_CODE_SLICE:
2712 trk->vc1_info.slices = 1;
2716 if (!trk->entry && !fragment) {
2717 /* First packet in first fragment */
2718 trk->vc1_info.first_packet_seq = seq;
2719 trk->vc1_info.first_packet_entry = entry;
2720 } else if ((seq && !trk->vc1_info.packet_seq) ||
2721 (entry && !trk->vc1_info.packet_entry)) {
2723 for (i = 0; i < trk->entry; i++)
2724 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2725 trk->has_keyframes = 0;
2727 trk->vc1_info.packet_seq = 1;
2729 trk->vc1_info.packet_entry = 1;
2731 /* First fragment */
2732 if ((!seq || trk->vc1_info.first_packet_seq) &&
2733 (!entry || trk->vc1_info.first_packet_entry)) {
2734 /* First packet had the same headers as this one, readd the
2735 * sync sample flag. */
2736 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2737 trk->has_keyframes = 1;
2741 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2743 else if (trk->vc1_info.packet_seq)
2745 else if (trk->vc1_info.packet_entry)
2748 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2749 trk->has_keyframes++;
2753 static int mov_flush_fragment(AVFormatContext *s)
2755 MOVMuxContext *mov = s->priv_data;
2756 int i, first_track = -1;
2757 int64_t mdat_size = 0;
2759 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2762 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2763 int64_t pos = avio_tell(s->pb);
2765 AVIOContext *moov_buf;
2769 for (i = 0; i < mov->nb_streams; i++)
2770 if (!mov->tracks[i].entry)
2772 /* Don't write the initial moov unless all tracks have data */
2773 if (i < mov->nb_streams)
2776 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
2778 mov_write_moov_tag(moov_buf, mov, s);
2779 buf_size = ffio_close_null_buf(moov_buf);
2780 for (i = 0; i < mov->nb_streams; i++)
2781 mov->tracks[i].data_offset = pos + buf_size + 8;
2783 mov_write_moov_tag(s->pb, mov, s);
2785 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2786 mov->mdat_buf = NULL;
2787 avio_wb32(s->pb, buf_size + 8);
2788 ffio_wfourcc(s->pb, "mdat");
2789 avio_write(s->pb, buf, buf_size);
2794 for (i = 0; i < mov->nb_streams; i++) {
2795 if (mov->tracks[i].entry)
2796 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2797 mov->tracks[i].track_duration -
2798 mov->tracks[i].cluster[0].dts;
2799 mov->tracks[i].entry = 0;
2805 for (i = 0; i < mov->nb_streams; i++) {
2806 MOVTrack *track = &mov->tracks[i];
2807 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2808 track->data_offset = 0;
2810 track->data_offset = mdat_size;
2811 if (!track->mdat_buf)
2813 mdat_size += avio_tell(track->mdat_buf);
2814 if (first_track < 0)
2821 for (i = 0; i < mov->nb_streams; i++) {
2822 MOVTrack *track = &mov->tracks[i];
2823 int buf_size, write_moof = 1, moof_tracks = -1;
2825 int64_t duration = 0;
2828 duration = track->start_dts + track->track_duration -
2829 track->cluster[0].dts;
2830 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2831 if (!track->mdat_buf)
2833 mdat_size = avio_tell(track->mdat_buf);
2836 write_moof = i == first_track;
2840 MOVFragmentInfo *info;
2842 track->nb_frag_info++;
2843 if (track->nb_frag_info >= track->frag_info_capacity) {
2844 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2845 if (av_reallocp_array(&track->frag_info,
2847 sizeof(*track->frag_info)))
2848 return AVERROR(ENOMEM);
2849 track->frag_info_capacity = new_capacity;
2851 info = &track->frag_info[track->nb_frag_info - 1];
2852 info->offset = avio_tell(s->pb);
2853 info->time = mov->tracks[i].frag_start;
2854 info->duration = duration;
2855 mov_write_tfrf_tags(s->pb, mov, track);
2857 mov_write_moof_tag(s->pb, mov, moof_tracks);
2858 info->tfrf_offset = track->tfrf_offset;
2861 avio_wb32(s->pb, mdat_size + 8);
2862 ffio_wfourcc(s->pb, "mdat");
2866 track->frag_start += duration;
2868 if (!track->mdat_buf)
2870 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2871 track->mdat_buf = NULL;
2873 avio_write(s->pb, buf, buf_size);
2883 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2885 MOVMuxContext *mov = s->priv_data;
2886 AVIOContext *pb = s->pb;
2887 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2888 AVCodecContext *enc = trk->enc;
2889 unsigned int samples_in_chunk = 0;
2890 int size = pkt->size;
2891 uint8_t *reformatted_data = NULL;
2893 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2895 if (mov->fragments > 0) {
2896 if (!trk->mdat_buf) {
2897 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2902 if (!mov->mdat_buf) {
2903 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2910 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
2911 /* We must find out how many AMR blocks there are in one packet */
2912 static uint16_t packed_size[16] =
2913 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2916 while (len < size && samples_in_chunk < 100) {
2917 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2920 if (samples_in_chunk > 1) {
2921 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2924 } else if (trk->sample_size)
2925 samples_in_chunk = size / trk->sample_size;
2927 samples_in_chunk = 1;
2929 /* copy extradata if it exists */
2930 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2931 trk->vos_len = enc->extradata_size;
2932 trk->vos_data = av_malloc(trk->vos_len);
2933 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2936 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2937 /* from x264 or from bytestream h264 */
2938 /* nal reformating needed */
2939 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2940 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2942 avio_write(pb, reformatted_data, size);
2944 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2946 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
2947 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
2948 /* extradata is Annex B, assume the bitstream is too and convert it */
2949 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2950 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
2951 avio_write(pb, reformatted_data, size);
2953 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
2956 avio_write(pb, pkt->data, size);
2959 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
2960 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
2961 /* copy frame to create needed atoms */
2962 trk->vos_len = size;
2963 trk->vos_data = av_malloc(size);
2965 return AVERROR(ENOMEM);
2966 memcpy(trk->vos_data, pkt->data, size);
2969 if (trk->entry >= trk->cluster_capacity) {
2970 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
2971 if (av_reallocp_array(&trk->cluster, new_capacity,
2972 sizeof(*trk->cluster)))
2973 return AVERROR(ENOMEM);
2974 trk->cluster_capacity = new_capacity;
2977 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2978 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2979 trk->cluster[trk->entry].size = size;
2980 trk->cluster[trk->entry].entries = samples_in_chunk;
2981 trk->cluster[trk->entry].dts = pkt->dts;
2982 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2983 /* First packet of a new fragment. We already wrote the duration
2984 * of the last packet of the previous fragment based on track_duration,
2985 * which might not exactly match our dts. Therefore adjust the dts
2986 * of this packet to be what the previous packets duration implies. */
2987 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2989 if (trk->start_dts == AV_NOPTS_VALUE)
2990 trk->start_dts = pkt->dts;
2991 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2993 if (pkt->pts == AV_NOPTS_VALUE) {
2994 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2995 pkt->pts = pkt->dts;
2997 if (pkt->dts != pkt->pts)
2998 trk->flags |= MOV_TRACK_CTTS;
2999 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3000 trk->cluster[trk->entry].flags = 0;
3001 if (enc->codec_id == AV_CODEC_ID_VC1) {
3002 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3003 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3004 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3005 trk->entry > 0) { // force sync sample for the first key frame
3006 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3007 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3008 trk->flags |= MOV_TRACK_STPS;
3010 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3012 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3013 trk->has_keyframes++;
3016 trk->sample_count += samples_in_chunk;
3017 mov->mdat_size += size;
3019 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3020 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3021 reformatted_data, size);
3022 av_free(reformatted_data);
3026 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3029 mov_flush_fragment(s);
3032 MOVMuxContext *mov = s->priv_data;
3033 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3034 AVCodecContext *enc = trk->enc;
3035 int64_t frag_duration = 0;
3036 int size = pkt->size;
3039 return 0; /* Discard 0 sized packets */
3042 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3043 s->streams[pkt->stream_index]->time_base,
3045 if ((mov->max_fragment_duration &&
3046 frag_duration >= mov->max_fragment_duration) ||
3047 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3048 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3049 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3050 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3051 if (frag_duration >= mov->min_fragment_duration)
3052 mov_flush_fragment(s);
3055 return ff_mov_write_packet(s, pkt);
3059 // QuickTime chapters involve an additional text track with the chapter names
3060 // as samples, and a tref pointing from the other tracks to the chapter one.
3061 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3063 MOVMuxContext *mov = s->priv_data;
3064 MOVTrack *track = &mov->tracks[tracknum];
3065 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3067 // These properties are required to make QT recognize the chapter track
3068 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3070 track->mode = mov->mode;
3071 track->tag = MKTAG('t','e','x','t');
3072 track->timescale = MOV_TIMESCALE;
3073 track->enc = avcodec_alloc_context3(NULL);
3075 return AVERROR(ENOMEM);
3076 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3077 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3078 if (track->enc->extradata == NULL)
3079 return AVERROR(ENOMEM);
3080 track->enc->extradata_size = sizeof(chapter_properties);
3081 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3083 for (i = 0; i < s->nb_chapters; i++) {
3084 AVChapter *c = s->chapters[i];
3085 AVDictionaryEntry *t;
3087 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3088 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3089 pkt.duration = end - pkt.dts;
3091 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3092 len = strlen(t->value);
3094 pkt.data = av_malloc(pkt.size);
3096 return AVERROR(ENOMEM);
3097 AV_WB16(pkt.data, len);
3098 memcpy(pkt.data + 2, t->value, len);
3099 ff_mov_write_packet(s, &pkt);
3100 av_freep(&pkt.data);
3108 * st->disposition controls the "enabled" flag in the tkhd tag.
3109 * QuickTime will not play a track if it is not enabled. So make sure
3110 * that one track of each type (audio, video, subtitle) is enabled.
3112 * Subtitles are special. For audio and video, setting "enabled" also
3113 * makes the track "default" (i.e. it is rendered when played). For
3114 * subtitles, an "enabled" subtitle is not rendered by default, but
3115 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3118 static void enable_tracks(AVFormatContext *s)
3120 MOVMuxContext *mov = s->priv_data;
3122 uint8_t enabled[AVMEDIA_TYPE_NB];
3123 int first[AVMEDIA_TYPE_NB];
3125 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3130 for (i = 0; i < s->nb_streams; i++) {
3131 AVStream *st = s->streams[i];
3133 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3134 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3137 if (first[st->codec->codec_type] < 0)
3138 first[st->codec->codec_type] = i;
3139 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3140 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3141 enabled[st->codec->codec_type] = 1;
3145 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3147 case AVMEDIA_TYPE_VIDEO:
3148 case AVMEDIA_TYPE_AUDIO:
3149 case AVMEDIA_TYPE_SUBTITLE:
3150 if (!enabled[i] && first[i] >= 0)
3151 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3157 static void mov_free(AVFormatContext *s)
3159 MOVMuxContext *mov = s->priv_data;
3162 if (mov->chapter_track) {
3163 if (mov->tracks[mov->chapter_track].enc)
3164 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3165 av_freep(&mov->tracks[mov->chapter_track].enc);
3168 for (i = 0; i < mov->nb_streams; i++) {
3169 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3170 ff_mov_close_hinting(&mov->tracks[i]);
3171 av_freep(&mov->tracks[i].cluster);
3172 av_freep(&mov->tracks[i].frag_info);
3174 if (mov->tracks[i].vos_len)
3175 av_free(mov->tracks[i].vos_data);
3178 av_freep(&mov->tracks);
3181 static int mov_write_header(AVFormatContext *s)
3183 AVIOContext *pb = s->pb;
3184 MOVMuxContext *mov = s->priv_data;
3185 AVDictionaryEntry *t;
3186 int i, hint_track = 0;
3188 /* Default mode == MP4 */
3189 mov->mode = MODE_MP4;
3191 if (s->oformat != NULL) {
3192 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3193 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3194 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3195 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3196 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3197 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3198 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3201 /* Set the FRAGMENT flag if any of the fragmentation methods are
3203 if (mov->max_fragment_duration || mov->max_fragment_size ||
3204 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3205 FF_MOV_FLAG_FRAG_KEYFRAME |
3206 FF_MOV_FLAG_FRAG_CUSTOM))
3207 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3209 /* Set other implicit flags immediately */
3210 if (mov->mode == MODE_ISM)
3211 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3212 FF_MOV_FLAG_FRAGMENT;
3214 /* faststart: moov at the beginning of the file, if supported */
3215 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3216 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3217 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3218 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3219 "with fragmentation and custom IO, disabling faststart\n");
3220 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3224 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3225 * is enabled, we don't support non-seekable output at all. */
3226 if (!s->pb->seekable &&
3227 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3228 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3229 return AVERROR(EINVAL);
3233 mov_write_ftyp_tag(pb,s);
3234 if (mov->mode == MODE_PSP) {
3235 if (s->nb_streams != 2) {
3236 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3237 return AVERROR(EINVAL);
3239 mov_write_uuidprof_tag(pb, s);
3242 mov->nb_streams = s->nb_streams;
3243 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3244 mov->chapter_track = mov->nb_streams++;
3246 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3247 /* Add hint tracks for each audio and video stream */
3248 hint_track = mov->nb_streams;
3249 for (i = 0; i < s->nb_streams; i++) {
3250 AVStream *st = s->streams[i];
3251 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3252 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3258 // Reserve an extra stream for chapters for the case where chapters
3259 // are written in the trailer
3260 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3262 return AVERROR(ENOMEM);
3264 for (i = 0; i < s->nb_streams; i++) {
3265 AVStream *st= s->streams[i];
3266 MOVTrack *track= &mov->tracks[i];
3267 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3269 track->enc = st->codec;
3270 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3271 if (track->language < 0)
3272 track->language = 0;
3273 track->mode = mov->mode;
3274 track->tag = mov_find_codec_tag(s, track);
3276 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3277 "codec not currently supported in container\n", i);
3280 /* If hinting of this track is enabled by a later hint track,
3281 * this is updated. */
3282 track->hint_track = -1;
3283 track->start_dts = AV_NOPTS_VALUE;
3284 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3285 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3286 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3287 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3288 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3289 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3292 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3294 track->timescale = st->codec->time_base.den;
3295 if (track->mode == MODE_MOV && track->timescale > 100000)
3296 av_log(s, AV_LOG_WARNING,
3297 "WARNING codec timebase is very high. If duration is too long,\n"
3298 "file may not be playable by quicktime. Specify a shorter timebase\n"
3299 "or choose different container.\n");
3300 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3301 track->timescale = st->codec->sample_rate;
3302 /* set sample_size for PCM and ADPCM */
3303 if (av_get_bits_per_sample(st->codec->codec_id) ||
3304 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3305 if (!st->codec->block_align) {
3306 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3309 track->sample_size = st->codec->block_align;
3311 /* set audio_vbr for compressed audio */
3312 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3313 track->audio_vbr = 1;
3315 if (track->mode != MODE_MOV &&
3316 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3317 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3318 i, track->enc->sample_rate);
3321 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3322 track->timescale = st->codec->time_base.den;
3323 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3324 track->timescale = st->codec->time_base.den;
3327 track->height = st->codec->height;
3328 /* The ism specific timescale isn't mandatory, but is assumed by
3329 * some tools, such as mp4split. */
3330 if (mov->mode == MODE_ISM)
3331 track->timescale = 10000000;
3333 avpriv_set_pts_info(st, 64, 1, track->timescale);
3335 /* copy extradata if it exists */
3336 if (st->codec->extradata_size) {
3337 track->vos_len = st->codec->extradata_size;
3338 track->vos_data = av_malloc(track->vos_len);
3339 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3345 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3346 /* If no fragmentation options have been set, set a default. */
3347 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3348 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3349 !mov->max_fragment_duration && !mov->max_fragment_size)
3350 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3352 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3353 mov->reserved_moov_pos = avio_tell(pb);
3354 mov_write_mdat_tag(pb, mov);
3357 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3358 mov->time = ff_iso8601_to_unix_time(t->value);
3360 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3362 if (mov->chapter_track)
3363 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3366 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3367 /* Initialize the hint tracks for each audio and video stream */
3368 for (i = 0; i < s->nb_streams; i++) {
3369 AVStream *st = s->streams[i];
3370 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3371 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3372 ff_mov_init_hinting(s, hint_track, i);
3380 if (mov->flags & FF_MOV_FLAG_ISML)
3381 mov_write_isml_manifest(pb, mov);
3383 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3384 mov_write_moov_tag(pb, mov, s);
3394 static int get_moov_size(AVFormatContext *s)
3397 AVIOContext *moov_buf;
3398 MOVMuxContext *mov = s->priv_data;
3400 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3402 mov_write_moov_tag(moov_buf, mov, s);
3403 return ffio_close_null_buf(moov_buf);
3407 * This function gets the moov size if moved to the top of the file: the chunk
3408 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3409 * entries) when the moov is moved to the beginning, so the size of the moov
3410 * would change. It also updates the chunk offset tables.
3412 static int compute_moov_size(AVFormatContext *s)
3414 int i, moov_size, moov_size2;
3415 MOVMuxContext *mov = s->priv_data;
3417 moov_size = get_moov_size(s);
3421 for (i = 0; i < mov->nb_streams; i++)
3422 mov->tracks[i].data_offset += moov_size;
3424 moov_size2 = get_moov_size(s);
3428 /* if the size changed, we just switched from stco to co64 and need to
3429 * update the offsets */
3430 if (moov_size2 != moov_size)
3431 for (i = 0; i < mov->nb_streams; i++)
3432 mov->tracks[i].data_offset += moov_size2 - moov_size;
3437 static int shift_data(AVFormatContext *s)
3439 int ret = 0, moov_size;
3440 MOVMuxContext *mov = s->priv_data;
3441 int64_t pos, pos_end = avio_tell(s->pb);
3442 uint8_t *buf, *read_buf[2];
3443 int read_buf_id = 0;
3445 AVIOContext *read_pb;
3447 moov_size = compute_moov_size(s);
3451 buf = av_malloc(moov_size * 2);
3453 return AVERROR(ENOMEM);
3455 read_buf[1] = buf + moov_size;
3457 /* Shift the data: the AVIO context of the output can only be used for
3458 * writing, so we re-open the same output, but for reading. It also avoids
3459 * a read/seek/write/seek back and forth. */
3461 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3463 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3464 "the second pass (faststart)\n", s->filename);
3468 /* mark the end of the shift to up to the last data we wrote, and get ready
3470 pos_end = avio_tell(s->pb);
3471 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3473 /* start reading at where the new moov will be placed */
3474 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3475 pos = avio_tell(read_pb);
3477 #define READ_BLOCK do { \
3478 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3482 /* shift data by chunk of at most moov_size */
3487 n = read_size[read_buf_id];
3490 avio_write(s->pb, read_buf[read_buf_id], n);
3492 } while (pos < pos_end);
3493 avio_close(read_pb);
3500 static int mov_write_trailer(AVFormatContext *s)
3502 MOVMuxContext *mov = s->priv_data;
3503 AVIOContext *pb = s->pb;
3508 // If there were no chapters when the header was written, but there
3509 // are chapters now, write them in the trailer. This only works
3510 // when we are not doing fragments.
3511 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3512 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
3513 mov->chapter_track = mov->nb_streams++;
3514 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
3519 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3520 moov_pos = avio_tell(pb);
3522 /* Write size of mdat tag */
3523 if (mov->mdat_size + 8 <= UINT32_MAX) {
3524 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3525 avio_wb32(pb, mov->mdat_size + 8);
3527 /* overwrite 'wide' placeholder atom */
3528 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3529 /* special value: real atom size will be 64 bit value after
3532 ffio_wfourcc(pb, "mdat");
3533 avio_wb64(pb, mov->mdat_size + 16);
3535 avio_seek(pb, moov_pos, SEEK_SET);
3537 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3538 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
3539 res = shift_data(s);
3541 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3542 mov_write_moov_tag(pb, mov, s);
3545 mov_write_moov_tag(pb, mov, s);
3548 mov_flush_fragment(s);
3549 mov_write_mfra_tag(pb, mov);
3552 for (i = 0; i < mov->nb_streams; i++) {
3553 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3554 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3555 int64_t off = avio_tell(pb);
3557 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3558 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3559 avio_write(pb, buf, 7);
3560 avio_seek(pb, off, SEEK_SET);
3571 #if CONFIG_MOV_MUXER
3573 AVOutputFormat ff_mov_muxer = {
3575 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3576 .extensions = "mov",
3577 .priv_data_size = sizeof(MOVMuxContext),
3578 .audio_codec = AV_CODEC_ID_AAC,
3579 .video_codec = CONFIG_LIBX264_ENCODER ?
3580 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3581 .write_header = mov_write_header,
3582 .write_packet = mov_write_packet,
3583 .write_trailer = mov_write_trailer,
3584 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3585 .codec_tag = (const AVCodecTag* const []){
3586 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3588 .priv_class = &mov_muxer_class,
3591 #if CONFIG_TGP_MUXER
3593 AVOutputFormat ff_tgp_muxer = {
3595 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3596 .extensions = "3gp",
3597 .priv_data_size = sizeof(MOVMuxContext),
3598 .audio_codec = AV_CODEC_ID_AMR_NB,
3599 .video_codec = AV_CODEC_ID_H263,
3600 .write_header = mov_write_header,
3601 .write_packet = mov_write_packet,
3602 .write_trailer = mov_write_trailer,
3603 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3604 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3605 .priv_class = &tgp_muxer_class,
3608 #if CONFIG_MP4_MUXER
3610 AVOutputFormat ff_mp4_muxer = {
3612 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3613 .mime_type = "application/mp4",
3614 .extensions = "mp4",
3615 .priv_data_size = sizeof(MOVMuxContext),
3616 .audio_codec = AV_CODEC_ID_AAC,
3617 .video_codec = CONFIG_LIBX264_ENCODER ?
3618 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3619 .write_header = mov_write_header,
3620 .write_packet = mov_write_packet,
3621 .write_trailer = mov_write_trailer,
3622 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3623 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3624 .priv_class = &mp4_muxer_class,
3627 #if CONFIG_PSP_MUXER
3629 AVOutputFormat ff_psp_muxer = {
3631 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
3632 .extensions = "mp4,psp",
3633 .priv_data_size = sizeof(MOVMuxContext),
3634 .audio_codec = AV_CODEC_ID_AAC,
3635 .video_codec = CONFIG_LIBX264_ENCODER ?
3636 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3637 .write_header = mov_write_header,
3638 .write_packet = mov_write_packet,
3639 .write_trailer = mov_write_trailer,
3640 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3641 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3642 .priv_class = &psp_muxer_class,
3645 #if CONFIG_TG2_MUXER
3647 AVOutputFormat ff_tg2_muxer = {
3649 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
3650 .extensions = "3g2",
3651 .priv_data_size = sizeof(MOVMuxContext),
3652 .audio_codec = AV_CODEC_ID_AMR_NB,
3653 .video_codec = AV_CODEC_ID_H263,
3654 .write_header = mov_write_header,
3655 .write_packet = mov_write_packet,
3656 .write_trailer = mov_write_trailer,
3657 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3658 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3659 .priv_class = &tg2_muxer_class,
3662 #if CONFIG_IPOD_MUXER
3664 AVOutputFormat ff_ipod_muxer = {
3666 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
3667 .mime_type = "application/mp4",
3668 .extensions = "m4v,m4a",
3669 .priv_data_size = sizeof(MOVMuxContext),
3670 .audio_codec = AV_CODEC_ID_AAC,
3671 .video_codec = AV_CODEC_ID_H264,
3672 .write_header = mov_write_header,
3673 .write_packet = mov_write_packet,
3674 .write_trailer = mov_write_trailer,
3675 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3676 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3677 .priv_class = &ipod_muxer_class,
3680 #if CONFIG_ISMV_MUXER
3682 AVOutputFormat ff_ismv_muxer = {
3684 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
3685 .mime_type = "application/mp4",
3686 .extensions = "ismv,isma",
3687 .priv_data_size = sizeof(MOVMuxContext),
3688 .audio_codec = AV_CODEC_ID_AAC,
3689 .video_codec = AV_CODEC_ID_H264,
3690 .write_header = mov_write_header,
3691 .write_packet = mov_write_packet,
3692 .write_trailer = mov_write_trailer,
3693 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3694 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3695 .priv_class = &ismv_muxer_class,
3698 #if CONFIG_F4V_MUXER
3700 AVOutputFormat ff_f4v_muxer = {
3702 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
3703 .mime_type = "application/f4v",
3704 .extensions = "f4v",
3705 .priv_data_size = sizeof(MOVMuxContext),
3706 .audio_codec = AV_CODEC_ID_AAC,
3707 .video_codec = AV_CODEC_ID_H264,
3708 .write_header = mov_write_header,
3709 .write_packet = mov_write_packet,
3710 .write_trailer = mov_write_trailer,
3711 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3712 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
3713 .priv_class = &f4v_muxer_class,