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},
70 #define MOV_CLASS(flavor)\
71 static const AVClass flavor ## _muxer_class = {\
72 .class_name = #flavor " muxer",\
73 .item_name = av_default_item_name,\
75 .version = LIBAVUTIL_VERSION_INT,\
78 //FIXME support 64 bit variant with wide placeholders
79 static int64_t update_size(AVIOContext *pb, int64_t pos)
81 int64_t curpos = avio_tell(pb);
82 avio_seek(pb, pos, SEEK_SET);
83 avio_wb32(pb, curpos - pos); /* rewrite size */
84 avio_seek(pb, curpos, SEEK_SET);
89 static int co64_required(const MOVTrack *track)
91 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
96 /* Chunk offset atom */
97 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
100 int mode64 = co64_required(track); // use 32 bit size variant if possible
101 int64_t pos = avio_tell(pb);
102 avio_wb32(pb, 0); /* size */
104 ffio_wfourcc(pb, "co64");
106 ffio_wfourcc(pb, "stco");
107 avio_wb32(pb, 0); /* version & flags */
108 avio_wb32(pb, track->entry); /* entry count */
109 for (i = 0; i < track->entry; i++) {
111 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
113 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
115 return update_size(pb, pos);
118 /* Sample size atom */
119 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
122 int i, j, entries = 0, tst = -1, oldtst = -1;
124 int64_t pos = avio_tell(pb);
125 avio_wb32(pb, 0); /* size */
126 ffio_wfourcc(pb, "stsz");
127 avio_wb32(pb, 0); /* version & flags */
129 for (i = 0; i < track->entry; i++) {
130 tst = track->cluster[i].size / track->cluster[i].entries;
131 if (oldtst != -1 && tst != oldtst)
134 entries += track->cluster[i].entries;
136 if (equalChunks && track->entry) {
137 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
138 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
139 avio_wb32(pb, sSize); // sample size
140 avio_wb32(pb, entries); // sample count
142 avio_wb32(pb, 0); // sample size
143 avio_wb32(pb, entries); // sample count
144 for (i = 0; i < track->entry; i++) {
145 for (j = 0; j < track->cluster[i].entries; j++) {
146 avio_wb32(pb, track->cluster[i].size /
147 track->cluster[i].entries);
151 return update_size(pb, pos);
154 /* Sample to chunk atom */
155 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
157 int index = 0, oldval = -1, i;
158 int64_t entryPos, curpos;
160 int64_t pos = avio_tell(pb);
161 avio_wb32(pb, 0); /* size */
162 ffio_wfourcc(pb, "stsc");
163 avio_wb32(pb, 0); // version & flags
164 entryPos = avio_tell(pb);
165 avio_wb32(pb, track->entry); // entry count
166 for (i = 0; i < track->entry; i++) {
167 if (oldval != track->cluster[i].samples_in_chunk) {
168 avio_wb32(pb, i + 1); // first chunk
169 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
170 avio_wb32(pb, 0x1); // sample description index
171 oldval = track->cluster[i].samples_in_chunk;
175 curpos = avio_tell(pb);
176 avio_seek(pb, entryPos, SEEK_SET);
177 avio_wb32(pb, index); // rewrite size
178 avio_seek(pb, curpos, SEEK_SET);
180 return update_size(pb, pos);
183 /* Sync sample atom */
184 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
186 int64_t curpos, entryPos;
188 int64_t pos = avio_tell(pb);
189 avio_wb32(pb, 0); // size
190 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
191 avio_wb32(pb, 0); // version & flags
192 entryPos = avio_tell(pb);
193 avio_wb32(pb, track->entry); // entry count
194 for (i = 0; i < track->entry; i++) {
195 if (track->cluster[i].flags & flag) {
196 avio_wb32(pb, i + 1);
200 curpos = avio_tell(pb);
201 avio_seek(pb, entryPos, SEEK_SET);
202 avio_wb32(pb, index); // rewrite size
203 avio_seek(pb, curpos, SEEK_SET);
204 return update_size(pb, pos);
207 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
209 avio_wb32(pb, 0x11); /* size */
210 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
211 else ffio_wfourcc(pb, "damr");
212 ffio_wfourcc(pb, "FFMP");
213 avio_w8(pb, 0); /* decoder version */
215 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
216 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
217 avio_w8(pb, 0x01); /* Frames per sample */
221 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
226 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
228 if (track->vos_len < 7)
232 ffio_wfourcc(pb, "dac3");
234 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
235 fscod = get_bits(&gbc, 2);
236 frmsizecod = get_bits(&gbc, 6);
237 bsid = get_bits(&gbc, 5);
238 bsmod = get_bits(&gbc, 3);
239 acmod = get_bits(&gbc, 3);
241 skip_bits(&gbc, 2); // dsurmod
243 if ((acmod & 1) && acmod != 1)
244 skip_bits(&gbc, 2); // cmixlev
246 skip_bits(&gbc, 2); // surmixlev
248 lfeon = get_bits1(&gbc);
250 init_put_bits(&pbc, buf, sizeof(buf));
251 put_bits(&pbc, 2, fscod);
252 put_bits(&pbc, 5, bsid);
253 put_bits(&pbc, 3, bsmod);
254 put_bits(&pbc, 3, acmod);
255 put_bits(&pbc, 1, lfeon);
256 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
257 put_bits(&pbc, 5, 0); // reserved
259 flush_put_bits(&pbc);
260 avio_write(pb, buf, sizeof(buf));
266 * This function writes extradata "as is".
267 * Extradata must be formatted like a valid atom (with size and tag).
269 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
271 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
272 return track->enc->extradata_size;
275 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
280 avio_w8(pb, (size >> (7 * i)) | 0x80);
281 avio_w8(pb, size & 0x7F);
284 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
286 int64_t pos = avio_tell(pb);
287 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
289 avio_wb32(pb, 0); // size
290 ffio_wfourcc(pb, "esds");
291 avio_wb32(pb, 0); // Version
294 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
295 avio_wb16(pb, track->track_id);
296 avio_w8(pb, 0x00); // flags (= no flags)
298 // DecoderConfig descriptor
299 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
301 // Object type indication
302 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
303 track->enc->codec_id == AV_CODEC_ID_MP3) &&
304 track->enc->sample_rate > 24000)
305 avio_w8(pb, 0x6B); // 11172-3
307 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
309 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
310 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
311 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
312 avio_w8(pb, 0x15); // flags (= Audiostream)
314 avio_w8(pb, 0x11); // flags (= Visualstream)
316 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
318 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
319 if (track->enc->rc_max_rate != track->enc->rc_min_rate ||
320 track->enc->rc_min_rate == 0)
321 avio_wb32(pb, 0); // vbr
323 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
325 if (track->vos_len) {
326 // DecoderSpecific info descriptor
327 put_descr(pb, 0x05, track->vos_len);
328 avio_write(pb, track->vos_data, track->vos_len);
332 put_descr(pb, 0x06, 1);
334 return update_size(pb, pos);
337 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
339 int64_t pos = avio_tell(pb);
341 avio_wl32(pb, track->tag); // store it byteswapped
342 track->enc->codec_tag = av_bswap16(track->tag >> 16);
343 ff_put_wav_header(pb, track->enc);
344 return update_size(pb, pos);
347 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
349 int64_t pos = avio_tell(pb);
351 ffio_wfourcc(pb, "wfex");
352 ff_put_wav_header(pb, track->enc);
353 return update_size(pb, pos);
356 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
358 uint32_t layout_tag, bitmap;
359 int64_t pos = avio_tell(pb);
361 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
362 track->enc->channel_layout,
365 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
366 "lack of channel information\n");
370 avio_wb32(pb, 0); // Size
371 ffio_wfourcc(pb, "chan"); // Type
372 avio_w8(pb, 0); // Version
373 avio_wb24(pb, 0); // Flags
374 avio_wb32(pb, layout_tag); // mChannelLayoutTag
375 avio_wb32(pb, bitmap); // mChannelBitmap
376 avio_wb32(pb, 0); // mNumberChannelDescriptions
378 return update_size(pb, pos);
381 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
383 int64_t pos = avio_tell(pb);
385 avio_wb32(pb, 0); /* size */
386 ffio_wfourcc(pb, "wave");
388 avio_wb32(pb, 12); /* size */
389 ffio_wfourcc(pb, "frma");
390 avio_wl32(pb, track->tag);
392 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
393 /* useless atom needed by mplayer, ipod, not needed by quicktime */
394 avio_wb32(pb, 12); /* size */
395 ffio_wfourcc(pb, "mp4a");
397 mov_write_esds_tag(pb, track);
398 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
399 mov_write_amr_tag(pb, track);
400 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
401 mov_write_ac3_tag(pb, track);
402 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
403 mov_write_extradata_tag(pb, track);
404 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
405 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
406 mov_write_ms_tag(pb, track);
409 avio_wb32(pb, 8); /* size */
410 avio_wb32(pb, 0); /* null tag */
412 return update_size(pb, pos);
415 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
418 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
419 int unescaped_size, seq_found = 0;
420 int level = 0, interlace = 0;
421 int packet_seq = track->vc1_info.packet_seq;
422 int packet_entry = track->vc1_info.packet_entry;
423 int slices = track->vc1_info.slices;
426 if (track->start_dts == AV_NOPTS_VALUE) {
427 /* No packets written yet, vc1_info isn't authoritative yet. */
428 /* Assume inline sequence and entry headers. This will be
429 * overwritten at the end if the file is seekable. */
430 packet_seq = packet_entry = 1;
433 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
435 return AVERROR(ENOMEM);
436 start = find_next_marker(track->vos_data, end);
437 for (next = start; next < end; start = next) {
440 next = find_next_marker(start + 4, end);
441 size = next - start - 4;
444 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
445 init_get_bits(&gb, unescaped, 8 * unescaped_size);
446 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
447 int profile = get_bits(&gb, 2);
448 if (profile != PROFILE_ADVANCED) {
450 return AVERROR(ENOSYS);
453 level = get_bits(&gb, 3);
454 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
456 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
457 skip_bits(&gb, 1); /* broadcast */
458 interlace = get_bits1(&gb);
459 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
464 return AVERROR(ENOSYS);
467 init_put_bits(&pbc, buf, 7);
468 /* VC1DecSpecStruc */
469 put_bits(&pbc, 4, 12); /* profile - advanced */
470 put_bits(&pbc, 3, level);
471 put_bits(&pbc, 1, 0); /* reserved */
472 /* VC1AdvDecSpecStruc */
473 put_bits(&pbc, 3, level);
474 put_bits(&pbc, 1, 0); /* cbr */
475 put_bits(&pbc, 6, 0); /* reserved */
476 put_bits(&pbc, 1, !interlace); /* no interlace */
477 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
478 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
479 put_bits(&pbc, 1, !slices); /* no slice code */
480 put_bits(&pbc, 1, 0); /* no bframe */
481 put_bits(&pbc, 1, 0); /* reserved */
482 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
483 flush_put_bits(&pbc);
490 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
492 uint8_t buf[7] = { 0 };
495 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
498 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
499 ffio_wfourcc(pb, "dvc1");
500 track->vc1_info.struct_offset = avio_tell(pb);
501 avio_write(pb, buf, sizeof(buf));
502 avio_write(pb, track->vos_data, track->vos_len);
507 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
509 avio_wb32(pb, track->vos_len + 8);
510 ffio_wfourcc(pb, "glbl");
511 avio_write(pb, track->vos_data, track->vos_len);
512 return 8 + track->vos_len;
516 * Compute flags for 'lpcm' tag.
517 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
519 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
522 case AV_CODEC_ID_PCM_F32BE:
523 case AV_CODEC_ID_PCM_F64BE:
525 case AV_CODEC_ID_PCM_F32LE:
526 case AV_CODEC_ID_PCM_F64LE:
528 case AV_CODEC_ID_PCM_U8:
530 case AV_CODEC_ID_PCM_S16BE:
531 case AV_CODEC_ID_PCM_S24BE:
532 case AV_CODEC_ID_PCM_S32BE:
534 case AV_CODEC_ID_PCM_S8:
535 case AV_CODEC_ID_PCM_S16LE:
536 case AV_CODEC_ID_PCM_S24LE:
537 case AV_CODEC_ID_PCM_S32LE:
544 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
548 if (cluster_idx >= track->entry)
551 if (cluster_idx + 1 == track->entry)
552 next_dts = track->track_duration + track->start_dts;
554 next_dts = track->cluster[cluster_idx + 1].dts;
556 return next_dts - track->cluster[cluster_idx].dts;
559 static int get_samples_per_packet(MOVTrack *track)
561 int i, first_duration;
563 /* use 1 for raw PCM */
564 if (!track->audio_vbr)
567 /* check to see if duration is constant for all clusters */
570 first_duration = get_cluster_duration(track, 0);
571 for (i = 1; i < track->entry; i++) {
572 if (get_cluster_duration(track, i) != first_duration)
575 return first_duration;
578 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
580 int64_t pos = avio_tell(pb);
582 uint32_t tag = track->tag;
584 if (track->mode == MODE_MOV) {
585 if (mov_get_lpcm_flags(track->enc->codec_id))
586 tag = AV_RL32("lpcm");
590 avio_wb32(pb, 0); /* size */
591 avio_wl32(pb, tag); // store it byteswapped
592 avio_wb32(pb, 0); /* Reserved */
593 avio_wb16(pb, 0); /* Reserved */
594 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
596 /* SoundDescription */
597 avio_wb16(pb, version); /* Version */
598 avio_wb16(pb, 0); /* Revision level */
599 avio_wb32(pb, 0); /* Reserved */
604 avio_wb16(pb, 0xfffe);
606 avio_wb32(pb, 0x00010000);
608 avio_wb64(pb, av_double2int(track->enc->sample_rate));
609 avio_wb32(pb, track->enc->channels);
610 avio_wb32(pb, 0x7F000000);
611 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
612 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
613 avio_wb32(pb, track->sample_size);
614 avio_wb32(pb, get_samples_per_packet(track));
616 /* reserved for mp4/3gp */
621 avio_wb16(pb, 0); /* packet size (= 0) */
622 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
623 track->enc->sample_rate : 0);
624 avio_wb16(pb, 0); /* Reserved */
627 if (track->mode == MODE_MOV &&
628 (track->enc->codec_id == AV_CODEC_ID_AAC ||
629 track->enc->codec_id == AV_CODEC_ID_AC3 ||
630 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
631 track->enc->codec_id == AV_CODEC_ID_ALAC ||
632 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
633 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
634 mov_write_wave_tag(pb, track);
635 else if (track->tag == MKTAG('m','p','4','a'))
636 mov_write_esds_tag(pb, track);
637 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
638 mov_write_amr_tag(pb, track);
639 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
640 mov_write_ac3_tag(pb, track);
641 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
642 mov_write_extradata_tag(pb, track);
643 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
644 mov_write_wfex_tag(pb, track);
645 else if (track->vos_len > 0)
646 mov_write_glbl_tag(pb, track);
648 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
649 mov_write_chan_tag(pb, track);
651 return update_size(pb, pos);
654 static int mov_write_d263_tag(AVIOContext *pb)
656 avio_wb32(pb, 0xf); /* size */
657 ffio_wfourcc(pb, "d263");
658 ffio_wfourcc(pb, "FFMP");
659 avio_w8(pb, 0); /* decoder version */
660 /* FIXME use AVCodecContext level/profile, when encoder will set values */
661 avio_w8(pb, 0xa); /* level */
662 avio_w8(pb, 0); /* profile */
666 /* TODO: No idea about these values */
667 static int mov_write_svq3_tag(AVIOContext *pb)
670 ffio_wfourcc(pb, "SMI ");
671 ffio_wfourcc(pb, "SEQH");
673 avio_wb32(pb, 0xe2c0211d);
674 avio_wb32(pb, 0xc0000000);
679 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
681 int64_t pos = avio_tell(pb);
684 ffio_wfourcc(pb, "avcC");
685 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
686 return update_size(pb, pos);
689 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
691 int64_t pos = avio_tell(pb);
694 ffio_wfourcc(pb, "hvcC");
695 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
696 return update_size(pb, pos);
699 /* also used by all avid codecs (dv, imx, meridien) and their variants */
700 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
703 avio_wb32(pb, 24); /* size */
704 ffio_wfourcc(pb, "ACLR");
705 ffio_wfourcc(pb, "ACLR");
706 ffio_wfourcc(pb, "0001");
707 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
708 avio_wb32(pb, 0); /* unknown */
710 avio_wb32(pb, 24); /* size */
711 ffio_wfourcc(pb, "APRG");
712 ffio_wfourcc(pb, "APRG");
713 ffio_wfourcc(pb, "0001");
714 avio_wb32(pb, 1); /* unknown */
715 avio_wb32(pb, 0); /* unknown */
717 avio_wb32(pb, 120); /* size */
718 ffio_wfourcc(pb, "ARES");
719 ffio_wfourcc(pb, "ARES");
720 ffio_wfourcc(pb, "0001");
721 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
722 avio_wb32(pb, track->enc->width);
723 /* values below are based on samples created with quicktime and avid codecs */
724 if (track->vos_data[5] & 2) { // interlaced
725 avio_wb32(pb, track->enc->height / 2);
726 avio_wb32(pb, 2); /* unknown */
727 avio_wb32(pb, 0); /* unknown */
728 avio_wb32(pb, 4); /* unknown */
730 avio_wb32(pb, track->enc->height);
731 avio_wb32(pb, 1); /* unknown */
732 avio_wb32(pb, 0); /* unknown */
733 if (track->enc->height == 1080)
734 avio_wb32(pb, 5); /* unknown */
736 avio_wb32(pb, 6); /* unknown */
739 for (i = 0; i < 10; i++)
742 /* extra padding for stsd needed */
747 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
749 int tag = track->enc->codec_tag;
751 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
754 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
755 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
756 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
757 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
758 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
759 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
760 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
761 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
766 static const AVCodecTag codec_ipod_tags[] = {
767 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
768 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
769 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
770 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
771 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
772 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
773 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
774 { AV_CODEC_ID_NONE, 0 },
777 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
779 int tag = track->enc->codec_tag;
781 // keep original tag for subs, ipod supports both formats
782 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
783 (tag == MKTAG('t', 'x', '3', 'g') ||
784 tag == MKTAG('t', 'e', 'x', 't'))))
785 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
787 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
788 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
789 "Quicktime/Ipod might not play the file\n");
794 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
798 if (track->enc->width == 720) /* SD */
799 if (track->enc->height == 480) /* NTSC */
800 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
801 else tag = MKTAG('d','v','c',' ');
802 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
803 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
804 else tag = MKTAG('d','v','p','p');
805 else if (track->enc->height == 720) /* HD 720 line */
806 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
807 else tag = MKTAG('d','v','h','p');
808 else if (track->enc->height == 1080) /* HD 1080 line */
809 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
810 else tag = MKTAG('d','v','h','6');
812 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
819 static const struct {
820 enum AVPixelFormat pix_fmt;
823 } mov_pix_fmt_tags[] = {
824 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
825 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
826 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
827 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
828 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
829 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
830 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
831 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
832 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
833 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
834 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
835 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
836 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
837 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
840 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
842 int tag = track->enc->codec_tag;
845 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
846 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
847 tag = mov_pix_fmt_tags[i].tag;
848 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
856 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
858 int tag = track->enc->codec_tag;
860 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
861 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
862 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
863 track->enc->codec_id == AV_CODEC_ID_H263 ||
864 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
865 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
866 tag = mov_get_dv_codec_tag(s, track);
867 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
868 tag = mov_get_rawvideo_codec_tag(s, track);
869 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
870 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
871 if (!tag) { // if no mac fcc found, try with Microsoft tags
872 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
874 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
875 "the file may be unplayable!\n");
877 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
878 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
879 if (!tag) { // if no mac fcc found, try with Microsoft tags
880 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
882 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
883 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
884 "the file may be unplayable!\n");
887 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
888 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
894 static const AVCodecTag codec_3gp_tags[] = {
895 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
896 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
897 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
898 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
899 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
900 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
901 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
902 { AV_CODEC_ID_NONE, 0 },
905 static const AVCodecTag codec_f4v_tags[] = {
906 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
907 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
908 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
909 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
910 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
911 { AV_CODEC_ID_NONE, 0 },
914 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
918 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
919 tag = mp4_get_codec_tag(s, track);
920 else if (track->mode == MODE_ISM) {
921 tag = mp4_get_codec_tag(s, track);
922 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
923 tag = MKTAG('w', 'm', 'a', ' ');
924 } else if (track->mode == MODE_IPOD)
925 tag = ipod_get_codec_tag(s, track);
926 else if (track->mode & MODE_3GP)
927 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
928 else if (track->mode == MODE_F4V)
929 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
931 tag = mov_get_codec_tag(s, track);
937 * Needed to make file play in iPods running newest firmware
938 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
940 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
943 ffio_wfourcc(pb, "uuid");
944 avio_wb32(pb, 0x6b6840f2);
945 avio_wb32(pb, 0x5f244fc5);
946 avio_wb32(pb, 0xba39a51b);
947 avio_wb32(pb, 0xcf0323f3);
952 static const uint16_t fiel_data[] = {
953 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
956 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
958 unsigned mov_field_order = 0;
959 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
960 mov_field_order = fiel_data[track->enc->field_order];
964 ffio_wfourcc(pb, "fiel");
965 avio_wb16(pb, mov_field_order);
969 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
971 int64_t pos = avio_tell(pb);
972 avio_wb32(pb, 0); /* size */
973 avio_wl32(pb, track->tag); // store it byteswapped
974 avio_wb32(pb, 0); /* Reserved */
975 avio_wb16(pb, 0); /* Reserved */
976 avio_wb16(pb, 1); /* Data-reference index */
978 if (track->enc->extradata_size)
979 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
981 return update_size(pb, pos);
984 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
987 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
988 track->enc->sample_aspect_ratio.den, INT_MAX);
991 ffio_wfourcc(pb, "pasp");
992 avio_wb32(pb, sar.num);
993 avio_wb32(pb, sar.den);
997 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
999 int64_t pos = avio_tell(pb);
1000 char compressor_name[32] = { 0 };
1002 avio_wb32(pb, 0); /* size */
1003 avio_wl32(pb, track->tag); // store it byteswapped
1004 avio_wb32(pb, 0); /* Reserved */
1005 avio_wb16(pb, 0); /* Reserved */
1006 avio_wb16(pb, 1); /* Data-reference index */
1008 avio_wb16(pb, 0); /* Codec stream version */
1009 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1010 if (track->mode == MODE_MOV) {
1011 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1012 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1013 avio_wb32(pb, 0); /* Temporal Quality */
1014 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1016 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1017 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1020 avio_wb32(pb, 0); /* Reserved */
1021 avio_wb32(pb, 0); /* Reserved */
1022 avio_wb32(pb, 0); /* Reserved */
1024 avio_wb16(pb, track->enc->width); /* Video width */
1025 avio_wb16(pb, track->height); /* Video height */
1026 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1027 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1028 avio_wb32(pb, 0); /* Data size (= 0) */
1029 avio_wb16(pb, 1); /* Frame count (= 1) */
1031 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1032 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1033 av_strlcpy(compressor_name, track->enc->codec->name, 32);
1034 avio_w8(pb, strlen(compressor_name));
1035 avio_write(pb, compressor_name, 31);
1037 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1038 avio_wb16(pb, track->enc->bits_per_coded_sample);
1040 avio_wb16(pb, 0x18); /* Reserved */
1041 avio_wb16(pb, 0xffff); /* Reserved */
1042 if (track->tag == MKTAG('m','p','4','v'))
1043 mov_write_esds_tag(pb, track);
1044 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1045 mov_write_d263_tag(pb);
1046 else if (track->enc->codec_id == AV_CODEC_ID_SVQ3)
1047 mov_write_svq3_tag(pb);
1048 else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1049 mov_write_avid_tag(pb, track);
1050 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1051 mov_write_hvcc_tag(pb, track);
1052 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1053 mov_write_avcc_tag(pb, track);
1054 if (track->mode == MODE_IPOD)
1055 mov_write_uuid_tag_ipod(pb);
1056 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1057 mov_write_fiel_tag(pb, track);
1058 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1059 mov_write_dvc1_tag(pb, track);
1060 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1061 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1062 /* Don't write any potential extradata here - the cropping
1063 * is signalled via the normal width/height fields. */
1064 } else if (track->vos_len > 0)
1065 mov_write_glbl_tag(pb, track);
1067 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1068 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1069 mov_write_pasp_tag(pb, track);
1072 return update_size(pb, pos);
1075 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1077 int64_t pos = avio_tell(pb);
1078 avio_wb32(pb, 0); /* size */
1079 ffio_wfourcc(pb, "rtp ");
1080 avio_wb32(pb, 0); /* Reserved */
1081 avio_wb16(pb, 0); /* Reserved */
1082 avio_wb16(pb, 1); /* Data-reference index */
1084 avio_wb16(pb, 1); /* Hint track version */
1085 avio_wb16(pb, 1); /* Highest compatible version */
1086 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1088 avio_wb32(pb, 12); /* size */
1089 ffio_wfourcc(pb, "tims");
1090 avio_wb32(pb, track->timescale);
1092 return update_size(pb, pos);
1095 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1097 int64_t pos = avio_tell(pb);
1099 avio_wb32(pb, 0); /* size */
1100 ffio_wfourcc(pb, "tmcd"); /* Data format */
1101 avio_wb32(pb, 0); /* Reserved */
1102 avio_wb32(pb, 1); /* Data reference index */
1103 if (track->enc->extradata_size)
1104 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1105 return update_size(pb, pos);
1108 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1110 int64_t pos = avio_tell(pb);
1111 avio_wb32(pb, 0); /* size */
1112 ffio_wfourcc(pb, "stsd");
1113 avio_wb32(pb, 0); /* version & flags */
1114 avio_wb32(pb, 1); /* entry count */
1115 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1116 mov_write_video_tag(pb, track);
1117 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1118 mov_write_audio_tag(pb, track);
1119 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1120 mov_write_subtitle_tag(pb, track);
1121 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1122 mov_write_rtp_tag(pb, track);
1123 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1124 mov_write_tmcd_tag(pb, track);
1125 return update_size(pb, pos);
1128 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1130 MOVStts *ctts_entries;
1131 uint32_t entries = 0;
1135 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1136 ctts_entries[0].count = 1;
1137 ctts_entries[0].duration = track->cluster[0].cts;
1138 for (i = 1; i < track->entry; i++) {
1139 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1140 ctts_entries[entries].count++; /* compress */
1143 ctts_entries[entries].duration = track->cluster[i].cts;
1144 ctts_entries[entries].count = 1;
1147 entries++; /* last one */
1148 atom_size = 16 + (entries * 8);
1149 avio_wb32(pb, atom_size); /* size */
1150 ffio_wfourcc(pb, "ctts");
1151 avio_wb32(pb, 0); /* version & flags */
1152 avio_wb32(pb, entries); /* entry count */
1153 for (i = 0; i < entries; i++) {
1154 avio_wb32(pb, ctts_entries[i].count);
1155 avio_wb32(pb, ctts_entries[i].duration);
1157 av_free(ctts_entries);
1161 /* Time to sample atom */
1162 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1164 MOVStts *stts_entries;
1165 uint32_t entries = -1;
1169 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1170 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1171 stts_entries[0].count = track->sample_count;
1172 stts_entries[0].duration = 1;
1175 stts_entries = track->entry ?
1176 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1178 for (i = 0; i < track->entry; i++) {
1179 int duration = get_cluster_duration(track, i);
1180 if (i && duration == stts_entries[entries].duration) {
1181 stts_entries[entries].count++; /* compress */
1184 stts_entries[entries].duration = duration;
1185 stts_entries[entries].count = 1;
1188 entries++; /* last one */
1190 atom_size = 16 + (entries * 8);
1191 avio_wb32(pb, atom_size); /* size */
1192 ffio_wfourcc(pb, "stts");
1193 avio_wb32(pb, 0); /* version & flags */
1194 avio_wb32(pb, entries); /* entry count */
1195 for (i = 0; i < entries; i++) {
1196 avio_wb32(pb, stts_entries[i].count);
1197 avio_wb32(pb, stts_entries[i].duration);
1199 av_free(stts_entries);
1203 static int mov_write_dref_tag(AVIOContext *pb)
1205 avio_wb32(pb, 28); /* size */
1206 ffio_wfourcc(pb, "dref");
1207 avio_wb32(pb, 0); /* version & flags */
1208 avio_wb32(pb, 1); /* entry count */
1210 avio_wb32(pb, 0xc); /* size */
1211 ffio_wfourcc(pb, "url ");
1212 avio_wb32(pb, 1); /* version & flags */
1217 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1219 int64_t pos = avio_tell(pb);
1220 avio_wb32(pb, 0); /* size */
1221 ffio_wfourcc(pb, "stbl");
1222 mov_write_stsd_tag(pb, track);
1223 mov_write_stts_tag(pb, track);
1224 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1225 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1226 track->has_keyframes && track->has_keyframes < track->entry)
1227 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1228 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1229 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1230 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1231 track->flags & MOV_TRACK_CTTS)
1232 mov_write_ctts_tag(pb, track);
1233 mov_write_stsc_tag(pb, track);
1234 mov_write_stsz_tag(pb, track);
1235 mov_write_stco_tag(pb, track);
1236 return update_size(pb, pos);
1239 static int mov_write_dinf_tag(AVIOContext *pb)
1241 int64_t pos = avio_tell(pb);
1242 avio_wb32(pb, 0); /* size */
1243 ffio_wfourcc(pb, "dinf");
1244 mov_write_dref_tag(pb);
1245 return update_size(pb, pos);
1248 static int mov_write_nmhd_tag(AVIOContext *pb)
1251 ffio_wfourcc(pb, "nmhd");
1256 static int mov_write_gmhd_tag(AVIOContext *pb)
1258 avio_wb32(pb, 0x20); /* size */
1259 ffio_wfourcc(pb, "gmhd");
1260 avio_wb32(pb, 0x18); /* gmin size */
1261 ffio_wfourcc(pb, "gmin");/* generic media info */
1262 avio_wb32(pb, 0); /* version & flags */
1263 avio_wb16(pb, 0x40); /* graphics mode = */
1264 avio_wb16(pb, 0x8000); /* opColor (r?) */
1265 avio_wb16(pb, 0x8000); /* opColor (g?) */
1266 avio_wb16(pb, 0x8000); /* opColor (b?) */
1267 avio_wb16(pb, 0); /* balance */
1268 avio_wb16(pb, 0); /* reserved */
1272 static int mov_write_smhd_tag(AVIOContext *pb)
1274 avio_wb32(pb, 16); /* size */
1275 ffio_wfourcc(pb, "smhd");
1276 avio_wb32(pb, 0); /* version & flags */
1277 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1278 avio_wb16(pb, 0); /* reserved */
1282 static int mov_write_vmhd_tag(AVIOContext *pb)
1284 avio_wb32(pb, 0x14); /* size (always 0x14) */
1285 ffio_wfourcc(pb, "vmhd");
1286 avio_wb32(pb, 0x01); /* version & flags */
1287 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1291 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1293 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1294 int64_t pos = avio_tell(pb);
1298 descr = "DataHandler";
1301 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1302 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1304 descr = "VideoHandler";
1305 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1307 descr = "SoundHandler";
1308 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1309 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1310 else hdlr_type = "text";
1311 descr = "SubtitleHandler";
1312 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1314 descr = "HintHandler";
1315 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1317 descr = "TimeCodeHandler";
1320 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1321 track->enc->codec_tag);
1323 av_log(track->enc, AV_LOG_WARNING,
1324 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1325 tag_buf, track->enc->codec_tag);
1329 avio_wb32(pb, 0); /* size */
1330 ffio_wfourcc(pb, "hdlr");
1331 avio_wb32(pb, 0); /* Version & flags */
1332 avio_write(pb, hdlr, 4); /* handler */
1333 ffio_wfourcc(pb, hdlr_type); /* handler type */
1334 avio_wb32(pb, 0); /* reserved */
1335 avio_wb32(pb, 0); /* reserved */
1336 avio_wb32(pb, 0); /* reserved */
1337 if (!track || track->mode == MODE_MOV)
1338 avio_w8(pb, strlen(descr)); /* pascal string */
1339 avio_write(pb, descr, strlen(descr)); /* handler description */
1340 if (track && track->mode != MODE_MOV)
1341 avio_w8(pb, 0); /* c string */
1342 return update_size(pb, pos);
1345 static int mov_write_hmhd_tag(AVIOContext *pb)
1347 /* This atom must be present, but leaving the values at zero
1348 * seems harmless. */
1349 avio_wb32(pb, 28); /* size */
1350 ffio_wfourcc(pb, "hmhd");
1351 avio_wb32(pb, 0); /* version, flags */
1352 avio_wb16(pb, 0); /* maxPDUsize */
1353 avio_wb16(pb, 0); /* avgPDUsize */
1354 avio_wb32(pb, 0); /* maxbitrate */
1355 avio_wb32(pb, 0); /* avgbitrate */
1356 avio_wb32(pb, 0); /* reserved */
1360 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1362 int64_t pos = avio_tell(pb);
1363 avio_wb32(pb, 0); /* size */
1364 ffio_wfourcc(pb, "minf");
1365 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1366 mov_write_vmhd_tag(pb);
1367 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1368 mov_write_smhd_tag(pb);
1369 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1370 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1371 else mov_write_nmhd_tag(pb);
1372 } else if (track->tag == MKTAG('r','t','p',' ')) {
1373 mov_write_hmhd_tag(pb);
1374 } else if (track->tag == MKTAG('t','m','c','d')) {
1375 mov_write_gmhd_tag(pb);
1377 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1378 mov_write_hdlr_tag(pb, NULL);
1379 mov_write_dinf_tag(pb);
1380 mov_write_stbl_tag(pb, track);
1381 return update_size(pb, pos);
1384 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1386 int version = track->track_duration < INT32_MAX ? 0 : 1;
1388 if (track->mode == MODE_ISM)
1391 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1392 ffio_wfourcc(pb, "mdhd");
1393 avio_w8(pb, version);
1394 avio_wb24(pb, 0); /* flags */
1396 avio_wb64(pb, track->time);
1397 avio_wb64(pb, track->time);
1399 avio_wb32(pb, track->time); /* creation time */
1400 avio_wb32(pb, track->time); /* modification time */
1402 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1404 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1406 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1407 avio_wb16(pb, track->language); /* language */
1408 avio_wb16(pb, 0); /* reserved (quality) */
1410 if (version != 0 && track->mode == MODE_MOV) {
1411 av_log(NULL, AV_LOG_ERROR,
1412 "FATAL error, file duration too long for timebase, this file will not be\n"
1413 "playable with quicktime. Choose a different timebase or a different\n"
1414 "container format\n");
1420 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1422 int64_t pos = avio_tell(pb);
1423 avio_wb32(pb, 0); /* size */
1424 ffio_wfourcc(pb, "mdia");
1425 mov_write_mdhd_tag(pb, track);
1426 mov_write_hdlr_tag(pb, track);
1427 mov_write_minf_tag(pb, track);
1428 return update_size(pb, pos);
1431 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1433 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1434 track->timescale, AV_ROUND_UP);
1435 int version = duration < INT32_MAX ? 0 : 1;
1437 if (track->mode == MODE_ISM)
1440 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1441 ffio_wfourcc(pb, "tkhd");
1442 avio_w8(pb, version);
1443 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1444 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1445 MOV_TKHD_FLAG_IN_MOVIE);
1447 avio_wb64(pb, track->time);
1448 avio_wb64(pb, track->time);
1450 avio_wb32(pb, track->time); /* creation time */
1451 avio_wb32(pb, track->time); /* modification time */
1453 avio_wb32(pb, track->track_id); /* track-id */
1454 avio_wb32(pb, 0); /* reserved */
1456 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1458 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1460 avio_wb32(pb, 0); /* reserved */
1461 avio_wb32(pb, 0); /* reserved */
1462 avio_wb16(pb, 0); /* layer */
1463 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1464 /* Volume, only for audio */
1465 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1466 avio_wb16(pb, 0x0100);
1469 avio_wb16(pb, 0); /* reserved */
1471 /* Matrix structure */
1472 avio_wb32(pb, 0x00010000); /* reserved */
1473 avio_wb32(pb, 0x0); /* reserved */
1474 avio_wb32(pb, 0x0); /* reserved */
1475 avio_wb32(pb, 0x0); /* reserved */
1476 avio_wb32(pb, 0x00010000); /* reserved */
1477 avio_wb32(pb, 0x0); /* reserved */
1478 avio_wb32(pb, 0x0); /* reserved */
1479 avio_wb32(pb, 0x0); /* reserved */
1480 avio_wb32(pb, 0x40000000); /* reserved */
1482 /* Track width and height, for visual only */
1483 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1484 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1485 if (track->mode == MODE_MOV) {
1486 avio_wb32(pb, track->enc->width << 16);
1487 avio_wb32(pb, track->height << 16);
1489 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1490 if (!sample_aspect_ratio || track->height != track->enc->height)
1491 sample_aspect_ratio = 1;
1492 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1493 avio_wb32(pb, track->height * 0x10000);
1502 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1504 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1505 track->enc->sample_aspect_ratio.den);
1507 int64_t pos = avio_tell(pb);
1509 avio_wb32(pb, 0); /* size */
1510 ffio_wfourcc(pb, "tapt");
1513 ffio_wfourcc(pb, "clef");
1515 avio_wb32(pb, width << 16);
1516 avio_wb32(pb, track->enc->height << 16);
1519 ffio_wfourcc(pb, "enof");
1521 avio_wb32(pb, track->enc->width << 16);
1522 avio_wb32(pb, track->enc->height << 16);
1524 return update_size(pb, pos);
1527 // This box seems important for the psp playback ... without it the movie seems to hang
1528 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1530 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1531 track->timescale, AV_ROUND_UP);
1532 int version = duration < INT32_MAX ? 0 : 1;
1533 int entry_size, entry_count, size;
1534 int64_t delay, start_ct = track->cluster[0].cts;
1535 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1536 track->timescale, AV_ROUND_DOWN);
1537 version |= delay < INT32_MAX ? 0 : 1;
1539 entry_size = (version == 1) ? 20 : 12;
1540 entry_count = 1 + (delay > 0);
1541 size = 24 + entry_count * entry_size;
1543 /* write the atom data */
1544 avio_wb32(pb, size);
1545 ffio_wfourcc(pb, "edts");
1546 avio_wb32(pb, size - 8);
1547 ffio_wfourcc(pb, "elst");
1548 avio_w8(pb, version);
1549 avio_wb24(pb, 0); /* flags */
1551 avio_wb32(pb, entry_count);
1552 if (delay > 0) { /* add an empty edit to delay presentation */
1554 avio_wb64(pb, delay);
1557 avio_wb32(pb, delay);
1560 avio_wb32(pb, 0x00010000);
1565 avio_wb64(pb, duration);
1566 avio_wb64(pb, start_ct);
1568 avio_wb32(pb, duration);
1569 avio_wb32(pb, start_ct);
1571 avio_wb32(pb, 0x00010000);
1575 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1577 avio_wb32(pb, 20); // size
1578 ffio_wfourcc(pb, "tref");
1579 avio_wb32(pb, 12); // size (subatom)
1580 avio_wl32(pb, track->tref_tag);
1581 avio_wb32(pb, track->tref_id);
1585 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1586 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1588 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1589 ffio_wfourcc(pb, "uuid");
1590 ffio_wfourcc(pb, "USMT");
1591 avio_wb32(pb, 0x21d24fce);
1592 avio_wb32(pb, 0xbb88695c);
1593 avio_wb32(pb, 0xfac9c740);
1594 avio_wb32(pb, 0x1c); // another size here!
1595 ffio_wfourcc(pb, "MTDT");
1596 avio_wb32(pb, 0x00010012);
1597 avio_wb32(pb, 0x0a);
1598 avio_wb32(pb, 0x55c40000);
1604 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1606 AVFormatContext *ctx = track->rtp_ctx;
1607 char buf[1000] = "";
1610 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1611 NULL, NULL, 0, 0, ctx);
1612 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1615 avio_wb32(pb, len + 24);
1616 ffio_wfourcc(pb, "udta");
1617 avio_wb32(pb, len + 16);
1618 ffio_wfourcc(pb, "hnti");
1619 avio_wb32(pb, len + 8);
1620 ffio_wfourcc(pb, "sdp ");
1621 avio_write(pb, buf, len);
1625 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1626 MOVTrack *track, AVStream *st)
1628 int64_t pos = avio_tell(pb);
1629 avio_wb32(pb, 0); /* size */
1630 ffio_wfourcc(pb, "trak");
1631 mov_write_tkhd_tag(pb, track, st);
1632 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1633 (track->entry && track->cluster[0].dts)) {
1634 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1635 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1637 if (track->tref_tag)
1638 mov_write_tref_tag(pb, track);
1639 mov_write_mdia_tag(pb, track);
1640 if (track->mode == MODE_PSP)
1641 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1642 if (track->tag == MKTAG('r','t','p',' '))
1643 mov_write_udta_sdp(pb, track);
1644 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1645 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1646 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1647 mov_write_tapt_tag(pb, track);
1649 return update_size(pb, pos);
1652 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1654 int i, has_audio = 0, has_video = 0;
1655 int64_t pos = avio_tell(pb);
1656 int audio_profile = mov->iods_audio_profile;
1657 int video_profile = mov->iods_video_profile;
1658 for (i = 0; i < mov->nb_streams; i++) {
1659 if (mov->tracks[i].entry > 0) {
1660 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1661 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1664 if (audio_profile < 0)
1665 audio_profile = 0xFF - has_audio;
1666 if (video_profile < 0)
1667 video_profile = 0xFF - has_video;
1668 avio_wb32(pb, 0x0); /* size */
1669 ffio_wfourcc(pb, "iods");
1670 avio_wb32(pb, 0); /* version & flags */
1671 put_descr(pb, 0x10, 7);
1672 avio_wb16(pb, 0x004f);
1675 avio_w8(pb, audio_profile);
1676 avio_w8(pb, video_profile);
1678 return update_size(pb, pos);
1681 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1683 avio_wb32(pb, 0x20); /* size */
1684 ffio_wfourcc(pb, "trex");
1685 avio_wb32(pb, 0); /* version & flags */
1686 avio_wb32(pb, track->track_id); /* track ID */
1687 avio_wb32(pb, 1); /* default sample description index */
1688 avio_wb32(pb, 0); /* default sample duration */
1689 avio_wb32(pb, 0); /* default sample size */
1690 avio_wb32(pb, 0); /* default sample flags */
1694 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1696 int64_t pos = avio_tell(pb);
1698 avio_wb32(pb, 0x0); /* size */
1699 ffio_wfourcc(pb, "mvex");
1700 for (i = 0; i < mov->nb_streams; i++)
1701 mov_write_trex_tag(pb, &mov->tracks[i]);
1702 return update_size(pb, pos);
1705 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1707 int max_track_id = 1, i;
1708 int64_t max_track_len_temp, max_track_len = 0;
1711 for (i = 0; i < mov->nb_streams; i++) {
1712 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1713 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1715 mov->tracks[i].timescale,
1717 if (max_track_len < max_track_len_temp)
1718 max_track_len = max_track_len_temp;
1719 if (max_track_id < mov->tracks[i].track_id)
1720 max_track_id = mov->tracks[i].track_id;
1724 version = max_track_len < UINT32_MAX ? 0 : 1;
1725 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1726 ffio_wfourcc(pb, "mvhd");
1727 avio_w8(pb, version);
1728 avio_wb24(pb, 0); /* flags */
1730 avio_wb64(pb, mov->time);
1731 avio_wb64(pb, mov->time);
1733 avio_wb32(pb, mov->time); /* creation time */
1734 avio_wb32(pb, mov->time); /* modification time */
1736 avio_wb32(pb, MOV_TIMESCALE);
1737 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1739 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1740 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1741 avio_wb16(pb, 0); /* reserved */
1742 avio_wb32(pb, 0); /* reserved */
1743 avio_wb32(pb, 0); /* reserved */
1745 /* Matrix structure */
1746 avio_wb32(pb, 0x00010000); /* reserved */
1747 avio_wb32(pb, 0x0); /* reserved */
1748 avio_wb32(pb, 0x0); /* reserved */
1749 avio_wb32(pb, 0x0); /* reserved */
1750 avio_wb32(pb, 0x00010000); /* reserved */
1751 avio_wb32(pb, 0x0); /* reserved */
1752 avio_wb32(pb, 0x0); /* reserved */
1753 avio_wb32(pb, 0x0); /* reserved */
1754 avio_wb32(pb, 0x40000000); /* reserved */
1756 avio_wb32(pb, 0); /* reserved (preview time) */
1757 avio_wb32(pb, 0); /* reserved (preview duration) */
1758 avio_wb32(pb, 0); /* reserved (poster time) */
1759 avio_wb32(pb, 0); /* reserved (selection time) */
1760 avio_wb32(pb, 0); /* reserved (selection duration) */
1761 avio_wb32(pb, 0); /* reserved (current time) */
1762 avio_wb32(pb, max_track_id + 1); /* Next track id */
1766 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1769 avio_wb32(pb, 33); /* size */
1770 ffio_wfourcc(pb, "hdlr");
1773 ffio_wfourcc(pb, "mdir");
1774 ffio_wfourcc(pb, "appl");
1781 /* helper function to write a data tag with the specified string as data */
1782 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1785 int size = 16 + strlen(data);
1786 avio_wb32(pb, size); /* size */
1787 ffio_wfourcc(pb, "data");
1790 avio_write(pb, data, strlen(data));
1794 lang = ff_mov_iso639_to_lang("und", 1);
1795 avio_wb16(pb, strlen(data)); /* string length */
1796 avio_wb16(pb, lang);
1797 avio_write(pb, data, strlen(data));
1798 return strlen(data) + 4;
1802 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1803 const char *value, int lang, int long_style)
1806 if (value && value[0]) {
1807 int64_t pos = avio_tell(pb);
1808 avio_wb32(pb, 0); /* size */
1809 ffio_wfourcc(pb, name);
1810 mov_write_string_data_tag(pb, value, lang, long_style);
1811 size = update_size(pb, pos);
1816 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1817 const char *name, const char *tag,
1820 int l, lang = 0, len, len2;
1821 AVDictionaryEntry *t, *t2 = NULL;
1824 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1827 len = strlen(t->key);
1828 snprintf(tag2, sizeof(tag2), "%s-", tag);
1829 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1830 len2 = strlen(t2->key);
1831 if (len2 == len + 4 && !strcmp(t->value, t2->value)
1832 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
1837 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1840 /* iTunes track number */
1841 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1844 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1845 int size = 0, track = t ? atoi(t->value) : 0;
1847 avio_wb32(pb, 32); /* size */
1848 ffio_wfourcc(pb, "trkn");
1849 avio_wb32(pb, 24); /* size */
1850 ffio_wfourcc(pb, "data");
1851 avio_wb32(pb, 0); // 8 bytes empty
1853 avio_wb16(pb, 0); // empty
1854 avio_wb16(pb, track); // track number
1855 avio_wb16(pb, 0); // total track number
1856 avio_wb16(pb, 0); // empty
1862 /* iTunes meta data list */
1863 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1866 int64_t pos = avio_tell(pb);
1867 avio_wb32(pb, 0); /* size */
1868 ffio_wfourcc(pb, "ilst");
1869 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1870 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1871 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1872 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1873 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1874 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1875 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
1876 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1877 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1878 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1879 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1880 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1881 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1882 mov_write_string_metadata(s, pb, "desc", "description",1);
1883 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1884 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1885 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1886 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1887 mov_write_trkn_tag(pb, mov, s);
1888 return update_size(pb, pos);
1891 /* iTunes meta data tag */
1892 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1896 int64_t pos = avio_tell(pb);
1897 avio_wb32(pb, 0); /* size */
1898 ffio_wfourcc(pb, "meta");
1900 mov_write_itunes_hdlr_tag(pb, mov, s);
1901 mov_write_ilst_tag(pb, mov, s);
1902 size = update_size(pb, pos);
1906 static int utf8len(const uint8_t *b)
1911 GET_UTF8(val, *b++, return -1;)
1917 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1921 GET_UTF8(val, *b++, return -1;)
1924 avio_wb16(pb, 0x00);
1928 static uint16_t language_code(const char *str)
1930 return (((str[0] - 0x60) & 0x1F) << 10) +
1931 (((str[1] - 0x60) & 0x1F) << 5) +
1932 (( str[2] - 0x60) & 0x1F);
1935 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1936 const char *tag, const char *str)
1938 int64_t pos = avio_tell(pb);
1939 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1940 if (!t || !utf8len(t->value))
1942 avio_wb32(pb, 0); /* size */
1943 ffio_wfourcc(pb, tag); /* type */
1944 avio_wb32(pb, 0); /* version + flags */
1945 if (!strcmp(tag, "yrrc"))
1946 avio_wb16(pb, atoi(t->value));
1948 avio_wb16(pb, language_code("eng")); /* language */
1949 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
1950 if (!strcmp(tag, "albm") &&
1951 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1952 avio_w8(pb, atoi(t->value));
1954 return update_size(pb, pos);
1957 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1959 int64_t pos = avio_tell(pb);
1960 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1962 avio_wb32(pb, 0); // size
1963 ffio_wfourcc(pb, "chpl");
1964 avio_wb32(pb, 0x01000000); // version + flags
1965 avio_wb32(pb, 0); // unknown
1966 avio_w8(pb, nb_chapters);
1968 for (i = 0; i < nb_chapters; i++) {
1969 AVChapter *c = s->chapters[i];
1970 AVDictionaryEntry *t;
1971 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1973 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1974 int len = FFMIN(strlen(t->value), 255);
1976 avio_write(pb, t->value, len);
1980 return update_size(pb, pos);
1983 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1986 AVIOContext *pb_buf;
1990 for (i = 0; i < s->nb_streams; i++)
1991 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1995 ret = avio_open_dyn_buf(&pb_buf);
1999 if (mov->mode & MODE_3GP) {
2000 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2001 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2002 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2003 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2004 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2005 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2006 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2007 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2008 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2009 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2010 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2011 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2012 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2013 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2014 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2015 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2016 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2017 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2019 /* iTunes meta data */
2020 mov_write_meta_tag(pb_buf, mov, s);
2024 mov_write_chpl_tag(pb_buf, s);
2026 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2027 avio_wb32(pb, size + 8);
2028 ffio_wfourcc(pb, "udta");
2029 avio_write(pb, buf, size);
2036 static void mov_write_psp_udta_tag(AVIOContext *pb,
2037 const char *str, const char *lang, int type)
2039 int len = utf8len(str) + 1;
2042 avio_wb16(pb, len * 2 + 10); /* size */
2043 avio_wb32(pb, type); /* type */
2044 avio_wb16(pb, language_code(lang)); /* language */
2045 avio_wb16(pb, 0x01); /* ? */
2046 ascii_to_wc(pb, str);
2049 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2051 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2055 pos = avio_tell(pb);
2056 avio_wb32(pb, 0); /* size placeholder*/
2057 ffio_wfourcc(pb, "uuid");
2058 ffio_wfourcc(pb, "USMT");
2059 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2060 avio_wb32(pb, 0xbb88695c);
2061 avio_wb32(pb, 0xfac9c740);
2063 pos2 = avio_tell(pb);
2064 avio_wb32(pb, 0); /* size placeholder*/
2065 ffio_wfourcc(pb, "MTDT");
2069 avio_wb16(pb, 0x0C); /* size */
2070 avio_wb32(pb, 0x0B); /* type */
2071 avio_wb16(pb, language_code("und")); /* language */
2072 avio_wb16(pb, 0x0); /* ? */
2073 avio_wb16(pb, 0x021C); /* data */
2075 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2076 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2077 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2079 update_size(pb, pos2);
2080 return update_size(pb, pos);
2086 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2090 int64_t pos = avio_tell(pb);
2091 avio_wb32(pb, 0); /* size placeholder*/
2092 ffio_wfourcc(pb, "moov");
2094 for (i = 0; i < mov->nb_streams; i++) {
2095 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2098 mov->tracks[i].time = mov->time;
2099 mov->tracks[i].track_id = i + 1;
2102 if (mov->chapter_track)
2103 for (i = 0; i < s->nb_streams; i++) {
2104 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2105 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2107 for (i = 0; i < mov->nb_streams; i++) {
2108 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2109 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2110 mov->tracks[i].tref_id =
2111 mov->tracks[mov->tracks[i].src_track].track_id;
2115 mov_write_mvhd_tag(pb, mov);
2116 if (mov->mode != MODE_MOV && !mov->iods_skip)
2117 mov_write_iods_tag(pb, mov);
2118 for (i = 0; i < mov->nb_streams; i++) {
2119 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2120 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2123 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2124 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2126 if (mov->mode == MODE_PSP)
2127 mov_write_uuidusmt_tag(pb, s);
2129 mov_write_udta_tag(pb, mov, s);
2131 return update_size(pb, pos);
2134 static void param_write_int(AVIOContext *pb, const char *name, int value)
2136 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2139 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2141 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2144 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2147 len = FFMIN(sizeof(buf) / 2 - 1, len);
2148 ff_data_to_hex(buf, value, len, 0);
2149 buf[2 * len] = '\0';
2150 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2153 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2155 int64_t pos = avio_tell(pb);
2157 const uint8_t uuid[] = {
2158 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2159 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2163 ffio_wfourcc(pb, "uuid");
2164 avio_write(pb, uuid, sizeof(uuid));
2167 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2168 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2169 avio_printf(pb, "<head>\n");
2170 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2172 avio_printf(pb, "</head>\n");
2173 avio_printf(pb, "<body>\n");
2174 avio_printf(pb, "<switch>\n");
2175 for (i = 0; i < mov->nb_streams; i++) {
2176 MOVTrack *track = &mov->tracks[i];
2178 /* track->track_id is initialized in write_moov, and thus isn't known
2180 int track_id = i + 1;
2182 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2184 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2189 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2190 track->enc->bit_rate);
2191 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2192 param_write_int(pb, "trackID", track_id);
2193 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2194 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2196 int size = track->enc->extradata_size;
2197 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2199 param_write_hex(pb, "CodecPrivateData",
2200 ptr ? ptr : track->enc->extradata,
2204 param_write_string(pb, "FourCC", "H264");
2205 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2206 param_write_string(pb, "FourCC", "WVC1");
2207 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2208 track->enc->extradata_size);
2210 param_write_int(pb, "MaxWidth", track->enc->width);
2211 param_write_int(pb, "MaxHeight", track->enc->height);
2212 param_write_int(pb, "DisplayWidth", track->enc->width);
2213 param_write_int(pb, "DisplayHeight", track->enc->height);
2215 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2216 param_write_string(pb, "FourCC", "AACL");
2217 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2218 param_write_string(pb, "FourCC", "WMAP");
2220 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2221 track->enc->extradata_size);
2222 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2223 track->enc->codec_id));
2224 param_write_int(pb, "Channels", track->enc->channels);
2225 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2226 param_write_int(pb, "BitsPerSample", 16);
2227 param_write_int(pb, "PacketSize", track->enc->block_align ?
2228 track->enc->block_align : 4);
2230 avio_printf(pb, "</%s>\n", type);
2232 avio_printf(pb, "</switch>\n");
2233 avio_printf(pb, "</body>\n");
2234 avio_printf(pb, "</smil>\n");
2236 return update_size(pb, pos);
2239 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2242 ffio_wfourcc(pb, "mfhd");
2244 avio_wb32(pb, mov->fragments);
2248 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2249 MOVTrack *track, int64_t moof_offset)
2251 int64_t pos = avio_tell(pb);
2252 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2253 MOV_TFHD_BASE_DATA_OFFSET;
2254 if (!track->entry) {
2255 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2257 flags |= MOV_TFHD_DEFAULT_FLAGS;
2259 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2260 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2262 /* Don't set a default sample size, the silverlight player refuses
2263 * to play files with that set. Don't set a default sample duration,
2264 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2265 * file format says it MUST NOT be set. */
2266 if (track->mode == MODE_ISM)
2267 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2268 MOV_TFHD_BASE_DATA_OFFSET);
2270 avio_wb32(pb, 0); /* size placeholder */
2271 ffio_wfourcc(pb, "tfhd");
2272 avio_w8(pb, 0); /* version */
2273 avio_wb24(pb, flags);
2275 avio_wb32(pb, track->track_id); /* track-id */
2276 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2277 avio_wb64(pb, moof_offset);
2278 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2279 track->default_duration = get_cluster_duration(track, 0);
2280 avio_wb32(pb, track->default_duration);
2282 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2283 track->default_size = track->entry ? track->cluster[0].size : 1;
2284 avio_wb32(pb, track->default_size);
2286 track->default_size = -1;
2288 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2289 track->default_sample_flags =
2290 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2291 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2292 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2293 avio_wb32(pb, track->default_sample_flags);
2296 return update_size(pb, pos);
2299 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2301 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2302 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2305 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2306 MOVTrack *track, int moof_size)
2308 int64_t pos = avio_tell(pb);
2309 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2312 for (i = 0; i < track->entry; i++) {
2313 if (get_cluster_duration(track, i) != track->default_duration)
2314 flags |= MOV_TRUN_SAMPLE_DURATION;
2315 if (track->cluster[i].size != track->default_size)
2316 flags |= MOV_TRUN_SAMPLE_SIZE;
2317 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2318 flags |= MOV_TRUN_SAMPLE_FLAGS;
2320 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2321 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2322 if (track->flags & MOV_TRACK_CTTS)
2323 flags |= MOV_TRUN_SAMPLE_CTS;
2325 avio_wb32(pb, 0); /* size placeholder */
2326 ffio_wfourcc(pb, "trun");
2327 avio_w8(pb, 0); /* version */
2328 avio_wb24(pb, flags);
2330 avio_wb32(pb, track->entry); /* sample count */
2331 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2332 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2333 track->track_id != 1)
2334 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2336 avio_wb32(pb, moof_size + 8 + track->data_offset +
2337 track->cluster[0].pos); /* data offset */
2338 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2339 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2341 for (i = 0; i < track->entry; i++) {
2342 if (flags & MOV_TRUN_SAMPLE_DURATION)
2343 avio_wb32(pb, get_cluster_duration(track, i));
2344 if (flags & MOV_TRUN_SAMPLE_SIZE)
2345 avio_wb32(pb, track->cluster[i].size);
2346 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2347 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2348 if (flags & MOV_TRUN_SAMPLE_CTS)
2349 avio_wb32(pb, track->cluster[i].cts);
2352 return update_size(pb, pos);
2355 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2357 int64_t pos = avio_tell(pb);
2358 const uint8_t uuid[] = {
2359 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2360 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2363 avio_wb32(pb, 0); /* size placeholder */
2364 ffio_wfourcc(pb, "uuid");
2365 avio_write(pb, uuid, sizeof(uuid));
2368 avio_wb64(pb, track->frag_start);
2369 avio_wb64(pb, track->start_dts + track->track_duration -
2370 track->cluster[0].dts);
2372 return update_size(pb, pos);
2375 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2376 MOVTrack *track, int entry)
2378 int n = track->nb_frag_info - 1 - entry, i;
2379 int size = 8 + 16 + 4 + 1 + 16*n;
2380 const uint8_t uuid[] = {
2381 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2382 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2388 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2389 avio_wb32(pb, size);
2390 ffio_wfourcc(pb, "uuid");
2391 avio_write(pb, uuid, sizeof(uuid));
2395 for (i = 0; i < n; i++) {
2396 int index = entry + 1 + i;
2397 avio_wb64(pb, track->frag_info[index].time);
2398 avio_wb64(pb, track->frag_info[index].duration);
2400 if (n < mov->ism_lookahead) {
2401 int free_size = 16 * (mov->ism_lookahead - n);
2402 avio_wb32(pb, free_size);
2403 ffio_wfourcc(pb, "free");
2404 for (i = 0; i < free_size - 8; i++)
2411 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2414 int64_t pos = avio_tell(pb);
2416 for (i = 0; i < mov->ism_lookahead; i++) {
2417 /* Update the tfrf tag for the last ism_lookahead fragments,
2418 * nb_frag_info - 1 is the next fragment to be written. */
2419 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2421 avio_seek(pb, pos, SEEK_SET);
2425 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2426 MOVTrack *track, int64_t moof_offset,
2429 int64_t pos = avio_tell(pb);
2430 avio_wb32(pb, 0); /* size placeholder */
2431 ffio_wfourcc(pb, "traf");
2433 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2434 mov_write_trun_tag(pb, mov, track, moof_size);
2435 if (mov->mode == MODE_ISM) {
2436 mov_write_tfxd_tag(pb, track);
2438 if (mov->ism_lookahead) {
2439 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2441 track->tfrf_offset = avio_tell(pb);
2442 avio_wb32(pb, 8 + size);
2443 ffio_wfourcc(pb, "free");
2444 for (i = 0; i < size; i++)
2449 return update_size(pb, pos);
2452 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2453 int tracks, int moof_size)
2455 int64_t pos = avio_tell(pb);
2458 avio_wb32(pb, 0); /* size placeholder */
2459 ffio_wfourcc(pb, "moof");
2461 mov_write_mfhd_tag(pb, mov);
2462 for (i = 0; i < mov->nb_streams; i++) {
2463 MOVTrack *track = &mov->tracks[i];
2464 if (tracks >= 0 && i != tracks)
2468 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2471 return update_size(pb, pos);
2474 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2476 AVIOContext *avio_buf;
2479 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2481 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2482 moof_size = ffio_close_null_buf(avio_buf);
2483 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2486 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2488 int64_t pos = avio_tell(pb);
2491 avio_wb32(pb, 0); /* size placeholder */
2492 ffio_wfourcc(pb, "tfra");
2493 avio_w8(pb, 1); /* version */
2496 avio_wb32(pb, track->track_id);
2497 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2498 avio_wb32(pb, track->nb_frag_info);
2499 for (i = 0; i < track->nb_frag_info; i++) {
2500 avio_wb64(pb, track->frag_info[i].time);
2501 avio_wb64(pb, track->frag_info[i].offset);
2502 avio_w8(pb, 1); /* traf number */
2503 avio_w8(pb, 1); /* trun number */
2504 avio_w8(pb, 1); /* sample number */
2507 return update_size(pb, pos);
2510 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2512 int64_t pos = avio_tell(pb);
2515 avio_wb32(pb, 0); /* size placeholder */
2516 ffio_wfourcc(pb, "mfra");
2517 /* An empty mfra atom is enough to indicate to the publishing point that
2518 * the stream has ended. */
2519 if (mov->flags & FF_MOV_FLAG_ISML)
2520 return update_size(pb, pos);
2522 for (i = 0; i < mov->nb_streams; i++) {
2523 MOVTrack *track = &mov->tracks[i];
2524 if (track->nb_frag_info)
2525 mov_write_tfra_tag(pb, track);
2529 ffio_wfourcc(pb, "mfro");
2530 avio_wb32(pb, 0); /* version + flags */
2531 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2533 return update_size(pb, pos);
2536 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2538 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2539 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2541 mov->mdat_pos = avio_tell(pb);
2542 avio_wb32(pb, 0); /* size placeholder*/
2543 ffio_wfourcc(pb, "mdat");
2547 /* TODO: This needs to be more general */
2548 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2550 MOVMuxContext *mov = s->priv_data;
2551 int64_t pos = avio_tell(pb);
2552 int has_h264 = 0, has_video = 0;
2556 for (i = 0; i < s->nb_streams; i++) {
2557 AVStream *st = s->streams[i];
2558 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2560 if (st->codec->codec_id == AV_CODEC_ID_H264)
2564 avio_wb32(pb, 0); /* size */
2565 ffio_wfourcc(pb, "ftyp");
2567 if (mov->mode == MODE_3GP) {
2568 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2569 minor = has_h264 ? 0x100 : 0x200;
2570 } else if (mov->mode & MODE_3G2) {
2571 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2572 minor = has_h264 ? 0x20000 : 0x10000;
2573 } else if (mov->mode == MODE_PSP)
2574 ffio_wfourcc(pb, "MSNV");
2575 else if (mov->mode == MODE_MP4)
2576 ffio_wfourcc(pb, "isom");
2577 else if (mov->mode == MODE_IPOD)
2578 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2579 else if (mov->mode == MODE_ISM)
2580 ffio_wfourcc(pb, "isml");
2581 else if (mov->mode == MODE_F4V)
2582 ffio_wfourcc(pb, "f4v ");
2584 ffio_wfourcc(pb, "qt ");
2586 avio_wb32(pb, minor);
2588 if (mov->mode == MODE_MOV)
2589 ffio_wfourcc(pb, "qt ");
2590 else if (mov->mode == MODE_ISM) {
2591 ffio_wfourcc(pb, "piff");
2592 ffio_wfourcc(pb, "iso2");
2594 ffio_wfourcc(pb, "isom");
2595 ffio_wfourcc(pb, "iso2");
2597 ffio_wfourcc(pb, "avc1");
2600 if (mov->mode == MODE_3GP)
2601 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2602 else if (mov->mode & MODE_3G2)
2603 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2604 else if (mov->mode == MODE_PSP)
2605 ffio_wfourcc(pb, "MSNV");
2606 else if (mov->mode == MODE_MP4)
2607 ffio_wfourcc(pb, "mp41");
2608 return update_size(pb, pos);
2611 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2613 AVCodecContext *video_codec = s->streams[0]->codec;
2614 AVCodecContext *audio_codec = s->streams[1]->codec;
2615 int audio_rate = audio_codec->sample_rate;
2616 int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
2617 int audio_kbitrate = audio_codec->bit_rate / 1000;
2618 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2620 avio_wb32(pb, 0x94); /* size */
2621 ffio_wfourcc(pb, "uuid");
2622 ffio_wfourcc(pb, "PROF");
2624 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2625 avio_wb32(pb, 0xbb88695c);
2626 avio_wb32(pb, 0xfac9c740);
2628 avio_wb32(pb, 0x0); /* ? */
2629 avio_wb32(pb, 0x3); /* 3 sections ? */
2631 avio_wb32(pb, 0x14); /* size */
2632 ffio_wfourcc(pb, "FPRF");
2633 avio_wb32(pb, 0x0); /* ? */
2634 avio_wb32(pb, 0x0); /* ? */
2635 avio_wb32(pb, 0x0); /* ? */
2637 avio_wb32(pb, 0x2c); /* size */
2638 ffio_wfourcc(pb, "APRF"); /* audio */
2640 avio_wb32(pb, 0x2); /* TrackID */
2641 ffio_wfourcc(pb, "mp4a");
2642 avio_wb32(pb, 0x20f);
2644 avio_wb32(pb, audio_kbitrate);
2645 avio_wb32(pb, audio_kbitrate);
2646 avio_wb32(pb, audio_rate);
2647 avio_wb32(pb, audio_codec->channels);
2649 avio_wb32(pb, 0x34); /* size */
2650 ffio_wfourcc(pb, "VPRF"); /* video */
2652 avio_wb32(pb, 0x1); /* TrackID */
2653 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2654 ffio_wfourcc(pb, "avc1");
2655 avio_wb16(pb, 0x014D);
2656 avio_wb16(pb, 0x0015);
2658 ffio_wfourcc(pb, "mp4v");
2659 avio_wb16(pb, 0x0000);
2660 avio_wb16(pb, 0x0103);
2663 avio_wb32(pb, video_kbitrate);
2664 avio_wb32(pb, video_kbitrate);
2665 avio_wb32(pb, frame_rate);
2666 avio_wb32(pb, frame_rate);
2667 avio_wb16(pb, video_codec->width);
2668 avio_wb16(pb, video_codec->height);
2669 avio_wb32(pb, 0x010001); /* ? */
2672 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2675 int i, closed_gop = 0;
2677 for (i = 0; i < pkt->size - 4; i++) {
2678 c = (c << 8) + pkt->data[i];
2679 if (c == 0x1b8) { // gop
2680 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2681 } else if (c == 0x100) { // pic
2682 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
2683 if (!temp_ref || closed_gop) // I picture is not reordered
2684 *flags = MOV_SYNC_SAMPLE;
2686 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2693 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2695 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2696 int seq = 0, entry = 0;
2697 int key = pkt->flags & AV_PKT_FLAG_KEY;
2698 start = find_next_marker(pkt->data, end);
2699 for (next = start; next < end; start = next) {
2700 next = find_next_marker(start + 4, end);
2701 switch (AV_RB32(start)) {
2702 case VC1_CODE_SEQHDR:
2705 case VC1_CODE_ENTRYPOINT:
2708 case VC1_CODE_SLICE:
2709 trk->vc1_info.slices = 1;
2713 if (!trk->entry && !fragment) {
2714 /* First packet in first fragment */
2715 trk->vc1_info.first_packet_seq = seq;
2716 trk->vc1_info.first_packet_entry = entry;
2717 } else if ((seq && !trk->vc1_info.packet_seq) ||
2718 (entry && !trk->vc1_info.packet_entry)) {
2720 for (i = 0; i < trk->entry; i++)
2721 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2722 trk->has_keyframes = 0;
2724 trk->vc1_info.packet_seq = 1;
2726 trk->vc1_info.packet_entry = 1;
2728 /* First fragment */
2729 if ((!seq || trk->vc1_info.first_packet_seq) &&
2730 (!entry || trk->vc1_info.first_packet_entry)) {
2731 /* First packet had the same headers as this one, readd the
2732 * sync sample flag. */
2733 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2734 trk->has_keyframes = 1;
2738 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2740 else if (trk->vc1_info.packet_seq)
2742 else if (trk->vc1_info.packet_entry)
2745 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2746 trk->has_keyframes++;
2750 static int mov_flush_fragment(AVFormatContext *s)
2752 MOVMuxContext *mov = s->priv_data;
2753 int i, first_track = -1;
2754 int64_t mdat_size = 0;
2756 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2759 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2760 int64_t pos = avio_tell(s->pb);
2762 AVIOContext *moov_buf;
2766 for (i = 0; i < mov->nb_streams; i++)
2767 if (!mov->tracks[i].entry)
2769 /* Don't write the initial moov unless all tracks have data */
2770 if (i < mov->nb_streams)
2773 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
2775 mov_write_moov_tag(moov_buf, mov, s);
2776 buf_size = ffio_close_null_buf(moov_buf);
2777 for (i = 0; i < mov->nb_streams; i++)
2778 mov->tracks[i].data_offset = pos + buf_size + 8;
2780 mov_write_moov_tag(s->pb, mov, s);
2782 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2783 mov->mdat_buf = NULL;
2784 avio_wb32(s->pb, buf_size + 8);
2785 ffio_wfourcc(s->pb, "mdat");
2786 avio_write(s->pb, buf, buf_size);
2791 for (i = 0; i < mov->nb_streams; i++) {
2792 if (mov->tracks[i].entry)
2793 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2794 mov->tracks[i].track_duration -
2795 mov->tracks[i].cluster[0].dts;
2796 mov->tracks[i].entry = 0;
2802 for (i = 0; i < mov->nb_streams; i++) {
2803 MOVTrack *track = &mov->tracks[i];
2804 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2805 track->data_offset = 0;
2807 track->data_offset = mdat_size;
2808 if (!track->mdat_buf)
2810 mdat_size += avio_tell(track->mdat_buf);
2811 if (first_track < 0)
2818 for (i = 0; i < mov->nb_streams; i++) {
2819 MOVTrack *track = &mov->tracks[i];
2820 int buf_size, write_moof = 1, moof_tracks = -1;
2822 int64_t duration = 0;
2825 duration = track->start_dts + track->track_duration -
2826 track->cluster[0].dts;
2827 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2828 if (!track->mdat_buf)
2830 mdat_size = avio_tell(track->mdat_buf);
2833 write_moof = i == first_track;
2837 MOVFragmentInfo *info;
2839 track->nb_frag_info++;
2840 if (track->nb_frag_info >= track->frag_info_capacity) {
2841 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2842 if (av_reallocp_array(&track->frag_info,
2844 sizeof(*track->frag_info)))
2845 return AVERROR(ENOMEM);
2846 track->frag_info_capacity = new_capacity;
2848 info = &track->frag_info[track->nb_frag_info - 1];
2849 info->offset = avio_tell(s->pb);
2850 info->time = mov->tracks[i].frag_start;
2851 info->duration = duration;
2852 mov_write_tfrf_tags(s->pb, mov, track);
2854 mov_write_moof_tag(s->pb, mov, moof_tracks);
2855 info->tfrf_offset = track->tfrf_offset;
2858 avio_wb32(s->pb, mdat_size + 8);
2859 ffio_wfourcc(s->pb, "mdat");
2863 track->frag_start += duration;
2865 if (!track->mdat_buf)
2867 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2868 track->mdat_buf = NULL;
2870 avio_write(s->pb, buf, buf_size);
2880 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2882 MOVMuxContext *mov = s->priv_data;
2883 AVIOContext *pb = s->pb;
2884 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2885 AVCodecContext *enc = trk->enc;
2886 unsigned int samples_in_chunk = 0;
2887 int size = pkt->size;
2888 uint8_t *reformatted_data = NULL;
2890 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2892 if (mov->fragments > 0) {
2893 if (!trk->mdat_buf) {
2894 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2899 if (!mov->mdat_buf) {
2900 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2907 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
2908 /* We must find out how many AMR blocks there are in one packet */
2909 static uint16_t packed_size[16] =
2910 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2913 while (len < size && samples_in_chunk < 100) {
2914 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2917 if (samples_in_chunk > 1) {
2918 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2921 } else if (trk->sample_size)
2922 samples_in_chunk = size / trk->sample_size;
2924 samples_in_chunk = 1;
2926 /* copy extradata if it exists */
2927 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2928 trk->vos_len = enc->extradata_size;
2929 trk->vos_data = av_malloc(trk->vos_len);
2930 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2933 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2934 /* from x264 or from bytestream h264 */
2935 /* nal reformating needed */
2936 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2937 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2939 avio_write(pb, reformatted_data, size);
2941 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2943 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
2944 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
2945 /* extradata is Annex B, assume the bitstream is too and convert it */
2946 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2947 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
2948 avio_write(pb, reformatted_data, size);
2950 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
2953 avio_write(pb, pkt->data, size);
2956 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
2957 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
2958 /* copy frame to create needed atoms */
2959 trk->vos_len = size;
2960 trk->vos_data = av_malloc(size);
2962 return AVERROR(ENOMEM);
2963 memcpy(trk->vos_data, pkt->data, size);
2966 if (trk->entry >= trk->cluster_capacity) {
2967 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
2968 if (av_reallocp_array(&trk->cluster, new_capacity,
2969 sizeof(*trk->cluster)))
2970 return AVERROR(ENOMEM);
2971 trk->cluster_capacity = new_capacity;
2974 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2975 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2976 trk->cluster[trk->entry].size = size;
2977 trk->cluster[trk->entry].entries = samples_in_chunk;
2978 trk->cluster[trk->entry].dts = pkt->dts;
2979 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2980 /* First packet of a new fragment. We already wrote the duration
2981 * of the last packet of the previous fragment based on track_duration,
2982 * which might not exactly match our dts. Therefore adjust the dts
2983 * of this packet to be what the previous packets duration implies. */
2984 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2986 if (trk->start_dts == AV_NOPTS_VALUE)
2987 trk->start_dts = pkt->dts;
2988 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2990 if (pkt->pts == AV_NOPTS_VALUE) {
2991 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2992 pkt->pts = pkt->dts;
2994 if (pkt->dts != pkt->pts)
2995 trk->flags |= MOV_TRACK_CTTS;
2996 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2997 trk->cluster[trk->entry].flags = 0;
2998 if (enc->codec_id == AV_CODEC_ID_VC1) {
2999 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3000 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3001 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3002 trk->entry > 0) { // force sync sample for the first key frame
3003 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3004 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3005 trk->flags |= MOV_TRACK_STPS;
3007 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3009 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3010 trk->has_keyframes++;
3013 trk->sample_count += samples_in_chunk;
3014 mov->mdat_size += size;
3016 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3017 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3018 reformatted_data, size);
3019 av_free(reformatted_data);
3023 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3026 mov_flush_fragment(s);
3029 MOVMuxContext *mov = s->priv_data;
3030 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3031 AVCodecContext *enc = trk->enc;
3032 int64_t frag_duration = 0;
3033 int size = pkt->size;
3036 return 0; /* Discard 0 sized packets */
3039 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3040 s->streams[pkt->stream_index]->time_base,
3042 if ((mov->max_fragment_duration &&
3043 frag_duration >= mov->max_fragment_duration) ||
3044 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3045 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3046 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3047 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3048 if (frag_duration >= mov->min_fragment_duration)
3049 mov_flush_fragment(s);
3052 return ff_mov_write_packet(s, pkt);
3056 // QuickTime chapters involve an additional text track with the chapter names
3057 // as samples, and a tref pointing from the other tracks to the chapter one.
3058 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3060 MOVMuxContext *mov = s->priv_data;
3061 MOVTrack *track = &mov->tracks[tracknum];
3062 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3064 // These properties are required to make QT recognize the chapter track
3065 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3067 track->mode = mov->mode;
3068 track->tag = MKTAG('t','e','x','t');
3069 track->timescale = MOV_TIMESCALE;
3070 track->enc = avcodec_alloc_context3(NULL);
3072 return AVERROR(ENOMEM);
3073 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3074 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3075 if (track->enc->extradata == NULL)
3076 return AVERROR(ENOMEM);
3077 track->enc->extradata_size = sizeof(chapter_properties);
3078 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3080 for (i = 0; i < s->nb_chapters; i++) {
3081 AVChapter *c = s->chapters[i];
3082 AVDictionaryEntry *t;
3084 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3085 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3086 pkt.duration = end - pkt.dts;
3088 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3089 len = strlen(t->value);
3091 pkt.data = av_malloc(pkt.size);
3093 return AVERROR(ENOMEM);
3094 AV_WB16(pkt.data, len);
3095 memcpy(pkt.data + 2, t->value, len);
3096 ff_mov_write_packet(s, &pkt);
3097 av_freep(&pkt.data);
3105 * st->disposition controls the "enabled" flag in the tkhd tag.
3106 * QuickTime will not play a track if it is not enabled. So make sure
3107 * that one track of each type (audio, video, subtitle) is enabled.
3109 * Subtitles are special. For audio and video, setting "enabled" also
3110 * makes the track "default" (i.e. it is rendered when played). For
3111 * subtitles, an "enabled" subtitle is not rendered by default, but
3112 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3115 static void enable_tracks(AVFormatContext *s)
3117 MOVMuxContext *mov = s->priv_data;
3119 uint8_t enabled[AVMEDIA_TYPE_NB];
3120 int first[AVMEDIA_TYPE_NB];
3122 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3127 for (i = 0; i < s->nb_streams; i++) {
3128 AVStream *st = s->streams[i];
3130 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3131 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3134 if (first[st->codec->codec_type] < 0)
3135 first[st->codec->codec_type] = i;
3136 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3137 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3138 enabled[st->codec->codec_type] = 1;
3142 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3144 case AVMEDIA_TYPE_VIDEO:
3145 case AVMEDIA_TYPE_AUDIO:
3146 case AVMEDIA_TYPE_SUBTITLE:
3147 if (!enabled[i] && first[i] >= 0)
3148 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3154 static void mov_free(AVFormatContext *s)
3156 MOVMuxContext *mov = s->priv_data;
3159 if (mov->chapter_track) {
3160 if (mov->tracks[mov->chapter_track].enc)
3161 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3162 av_freep(&mov->tracks[mov->chapter_track].enc);
3165 for (i = 0; i < mov->nb_streams; i++) {
3166 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3167 ff_mov_close_hinting(&mov->tracks[i]);
3168 av_freep(&mov->tracks[i].cluster);
3169 av_freep(&mov->tracks[i].frag_info);
3171 if (mov->tracks[i].vos_len)
3172 av_free(mov->tracks[i].vos_data);
3175 av_freep(&mov->tracks);
3178 static int mov_write_header(AVFormatContext *s)
3180 AVIOContext *pb = s->pb;
3181 MOVMuxContext *mov = s->priv_data;
3182 AVDictionaryEntry *t;
3183 int i, hint_track = 0;
3185 /* Default mode == MP4 */
3186 mov->mode = MODE_MP4;
3188 if (s->oformat != NULL) {
3189 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3190 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3191 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3192 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3193 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3194 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3195 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3198 /* Set the FRAGMENT flag if any of the fragmentation methods are
3200 if (mov->max_fragment_duration || mov->max_fragment_size ||
3201 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3202 FF_MOV_FLAG_FRAG_KEYFRAME |
3203 FF_MOV_FLAG_FRAG_CUSTOM))
3204 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3206 /* Set other implicit flags immediately */
3207 if (mov->mode == MODE_ISM)
3208 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3209 FF_MOV_FLAG_FRAGMENT;
3211 /* faststart: moov at the beginning of the file, if supported */
3212 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3213 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3214 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3215 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3216 "with fragmentation and custom IO, disabling faststart\n");
3217 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3221 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3222 * is enabled, we don't support non-seekable output at all. */
3223 if (!s->pb->seekable &&
3224 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3225 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3226 return AVERROR(EINVAL);
3230 mov_write_ftyp_tag(pb,s);
3231 if (mov->mode == MODE_PSP) {
3232 if (s->nb_streams != 2) {
3233 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3234 return AVERROR(EINVAL);
3236 mov_write_uuidprof_tag(pb, s);
3239 mov->nb_streams = s->nb_streams;
3240 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3241 mov->chapter_track = mov->nb_streams++;
3243 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3244 /* Add hint tracks for each audio and video stream */
3245 hint_track = mov->nb_streams;
3246 for (i = 0; i < s->nb_streams; i++) {
3247 AVStream *st = s->streams[i];
3248 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3249 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3255 // Reserve an extra stream for chapters for the case where chapters
3256 // are written in the trailer
3257 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3259 return AVERROR(ENOMEM);
3261 for (i = 0; i < s->nb_streams; i++) {
3262 AVStream *st= s->streams[i];
3263 MOVTrack *track= &mov->tracks[i];
3264 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3266 track->enc = st->codec;
3267 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3268 if (track->language < 0)
3269 track->language = 0;
3270 track->mode = mov->mode;
3271 track->tag = mov_find_codec_tag(s, track);
3273 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3274 "codec not currently supported in container\n", i);
3277 /* If hinting of this track is enabled by a later hint track,
3278 * this is updated. */
3279 track->hint_track = -1;
3280 track->start_dts = AV_NOPTS_VALUE;
3281 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3282 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3283 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3284 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3285 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3286 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3289 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3291 track->timescale = st->codec->time_base.den;
3292 if (track->mode == MODE_MOV && track->timescale > 100000)
3293 av_log(s, AV_LOG_WARNING,
3294 "WARNING codec timebase is very high. If duration is too long,\n"
3295 "file may not be playable by quicktime. Specify a shorter timebase\n"
3296 "or choose different container.\n");
3297 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3298 track->timescale = st->codec->sample_rate;
3299 /* set sample_size for PCM and ADPCM */
3300 if (av_get_bits_per_sample(st->codec->codec_id) ||
3301 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3302 if (!st->codec->block_align) {
3303 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3306 track->sample_size = st->codec->block_align;
3308 /* set audio_vbr for compressed audio */
3309 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3310 track->audio_vbr = 1;
3312 if (track->mode != MODE_MOV &&
3313 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3314 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3315 i, track->enc->sample_rate);
3318 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3319 track->timescale = st->codec->time_base.den;
3320 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3321 track->timescale = st->codec->time_base.den;
3324 track->height = st->codec->height;
3325 /* The ism specific timescale isn't mandatory, but is assumed by
3326 * some tools, such as mp4split. */
3327 if (mov->mode == MODE_ISM)
3328 track->timescale = 10000000;
3330 avpriv_set_pts_info(st, 64, 1, track->timescale);
3332 /* copy extradata if it exists */
3333 if (st->codec->extradata_size) {
3334 track->vos_len = st->codec->extradata_size;
3335 track->vos_data = av_malloc(track->vos_len);
3336 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3342 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3343 /* If no fragmentation options have been set, set a default. */
3344 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3345 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3346 !mov->max_fragment_duration && !mov->max_fragment_size)
3347 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3349 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3350 mov->reserved_moov_pos = avio_tell(pb);
3351 mov_write_mdat_tag(pb, mov);
3354 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3355 mov->time = ff_iso8601_to_unix_time(t->value);
3357 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3359 if (mov->chapter_track)
3360 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3363 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3364 /* Initialize the hint tracks for each audio and video stream */
3365 for (i = 0; i < s->nb_streams; i++) {
3366 AVStream *st = s->streams[i];
3367 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3368 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3369 ff_mov_init_hinting(s, hint_track, i);
3377 if (mov->flags & FF_MOV_FLAG_ISML)
3378 mov_write_isml_manifest(pb, mov);
3380 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3381 mov_write_moov_tag(pb, mov, s);
3391 static int get_moov_size(AVFormatContext *s)
3394 AVIOContext *moov_buf;
3395 MOVMuxContext *mov = s->priv_data;
3397 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3399 mov_write_moov_tag(moov_buf, mov, s);
3400 return ffio_close_null_buf(moov_buf);
3404 * This function gets the moov size if moved to the top of the file: the chunk
3405 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3406 * entries) when the moov is moved to the beginning, so the size of the moov
3407 * would change. It also updates the chunk offset tables.
3409 static int compute_moov_size(AVFormatContext *s)
3411 int i, moov_size, moov_size2;
3412 MOVMuxContext *mov = s->priv_data;
3414 moov_size = get_moov_size(s);
3418 for (i = 0; i < mov->nb_streams; i++)
3419 mov->tracks[i].data_offset += moov_size;
3421 moov_size2 = get_moov_size(s);
3425 /* if the size changed, we just switched from stco to co64 and need to
3426 * update the offsets */
3427 if (moov_size2 != moov_size)
3428 for (i = 0; i < mov->nb_streams; i++)
3429 mov->tracks[i].data_offset += moov_size2 - moov_size;
3434 static int shift_data(AVFormatContext *s)
3436 int ret = 0, moov_size;
3437 MOVMuxContext *mov = s->priv_data;
3438 int64_t pos, pos_end = avio_tell(s->pb);
3439 uint8_t *buf, *read_buf[2];
3440 int read_buf_id = 0;
3442 AVIOContext *read_pb;
3444 moov_size = compute_moov_size(s);
3448 buf = av_malloc(moov_size * 2);
3450 return AVERROR(ENOMEM);
3452 read_buf[1] = buf + moov_size;
3454 /* Shift the data: the AVIO context of the output can only be used for
3455 * writing, so we re-open the same output, but for reading. It also avoids
3456 * a read/seek/write/seek back and forth. */
3458 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3460 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3461 "the second pass (faststart)\n", s->filename);
3465 /* mark the end of the shift to up to the last data we wrote, and get ready
3467 pos_end = avio_tell(s->pb);
3468 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3470 /* start reading at where the new moov will be placed */
3471 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3472 pos = avio_tell(read_pb);
3474 #define READ_BLOCK do { \
3475 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3479 /* shift data by chunk of at most moov_size */
3484 n = read_size[read_buf_id];
3487 avio_write(s->pb, read_buf[read_buf_id], n);
3489 } while (pos < pos_end);
3490 avio_close(read_pb);
3497 static int mov_write_trailer(AVFormatContext *s)
3499 MOVMuxContext *mov = s->priv_data;
3500 AVIOContext *pb = s->pb;
3505 // If there were no chapters when the header was written, but there
3506 // are chapters now, write them in the trailer. This only works
3507 // when we are not doing fragments.
3508 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3509 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
3510 mov->chapter_track = mov->nb_streams++;
3511 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
3516 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3517 moov_pos = avio_tell(pb);
3519 /* Write size of mdat tag */
3520 if (mov->mdat_size + 8 <= UINT32_MAX) {
3521 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3522 avio_wb32(pb, mov->mdat_size + 8);
3524 /* overwrite 'wide' placeholder atom */
3525 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3526 /* special value: real atom size will be 64 bit value after
3529 ffio_wfourcc(pb, "mdat");
3530 avio_wb64(pb, mov->mdat_size + 16);
3532 avio_seek(pb, moov_pos, SEEK_SET);
3534 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3535 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
3536 res = shift_data(s);
3538 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3539 mov_write_moov_tag(pb, mov, s);
3542 mov_write_moov_tag(pb, mov, s);
3545 mov_flush_fragment(s);
3546 mov_write_mfra_tag(pb, mov);
3549 for (i = 0; i < mov->nb_streams; i++) {
3550 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3551 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3552 int64_t off = avio_tell(pb);
3554 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3555 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3556 avio_write(pb, buf, 7);
3557 avio_seek(pb, off, SEEK_SET);
3568 #if CONFIG_MOV_MUXER
3570 AVOutputFormat ff_mov_muxer = {
3572 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3573 .extensions = "mov",
3574 .priv_data_size = sizeof(MOVMuxContext),
3575 .audio_codec = AV_CODEC_ID_AAC,
3576 .video_codec = CONFIG_LIBX264_ENCODER ?
3577 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3578 .write_header = mov_write_header,
3579 .write_packet = mov_write_packet,
3580 .write_trailer = mov_write_trailer,
3581 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3582 .codec_tag = (const AVCodecTag* const []){
3583 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3585 .priv_class = &mov_muxer_class,
3588 #if CONFIG_TGP_MUXER
3590 AVOutputFormat ff_tgp_muxer = {
3592 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3593 .extensions = "3gp",
3594 .priv_data_size = sizeof(MOVMuxContext),
3595 .audio_codec = AV_CODEC_ID_AMR_NB,
3596 .video_codec = AV_CODEC_ID_H263,
3597 .write_header = mov_write_header,
3598 .write_packet = mov_write_packet,
3599 .write_trailer = mov_write_trailer,
3600 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3601 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3602 .priv_class = &tgp_muxer_class,
3605 #if CONFIG_MP4_MUXER
3607 AVOutputFormat ff_mp4_muxer = {
3609 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3610 .mime_type = "application/mp4",
3611 .extensions = "mp4",
3612 .priv_data_size = sizeof(MOVMuxContext),
3613 .audio_codec = AV_CODEC_ID_AAC,
3614 .video_codec = CONFIG_LIBX264_ENCODER ?
3615 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3616 .write_header = mov_write_header,
3617 .write_packet = mov_write_packet,
3618 .write_trailer = mov_write_trailer,
3619 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3620 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3621 .priv_class = &mp4_muxer_class,
3624 #if CONFIG_PSP_MUXER
3626 AVOutputFormat ff_psp_muxer = {
3628 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
3629 .extensions = "mp4,psp",
3630 .priv_data_size = sizeof(MOVMuxContext),
3631 .audio_codec = AV_CODEC_ID_AAC,
3632 .video_codec = CONFIG_LIBX264_ENCODER ?
3633 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3634 .write_header = mov_write_header,
3635 .write_packet = mov_write_packet,
3636 .write_trailer = mov_write_trailer,
3637 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3638 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3639 .priv_class = &psp_muxer_class,
3642 #if CONFIG_TG2_MUXER
3644 AVOutputFormat ff_tg2_muxer = {
3646 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
3647 .extensions = "3g2",
3648 .priv_data_size = sizeof(MOVMuxContext),
3649 .audio_codec = AV_CODEC_ID_AMR_NB,
3650 .video_codec = AV_CODEC_ID_H263,
3651 .write_header = mov_write_header,
3652 .write_packet = mov_write_packet,
3653 .write_trailer = mov_write_trailer,
3654 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3655 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3656 .priv_class = &tg2_muxer_class,
3659 #if CONFIG_IPOD_MUXER
3661 AVOutputFormat ff_ipod_muxer = {
3663 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
3664 .mime_type = "application/mp4",
3665 .extensions = "m4v,m4a",
3666 .priv_data_size = sizeof(MOVMuxContext),
3667 .audio_codec = AV_CODEC_ID_AAC,
3668 .video_codec = AV_CODEC_ID_H264,
3669 .write_header = mov_write_header,
3670 .write_packet = mov_write_packet,
3671 .write_trailer = mov_write_trailer,
3672 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3673 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3674 .priv_class = &ipod_muxer_class,
3677 #if CONFIG_ISMV_MUXER
3679 AVOutputFormat ff_ismv_muxer = {
3681 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
3682 .mime_type = "application/mp4",
3683 .extensions = "ismv,isma",
3684 .priv_data_size = sizeof(MOVMuxContext),
3685 .audio_codec = AV_CODEC_ID_AAC,
3686 .video_codec = AV_CODEC_ID_H264,
3687 .write_header = mov_write_header,
3688 .write_packet = mov_write_packet,
3689 .write_trailer = mov_write_trailer,
3690 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3691 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3692 .priv_class = &ismv_muxer_class,
3695 #if CONFIG_F4V_MUXER
3697 AVOutputFormat ff_f4v_muxer = {
3699 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
3700 .mime_type = "application/f4v",
3701 .extensions = "f4v",
3702 .priv_data_size = sizeof(MOVMuxContext),
3703 .audio_codec = AV_CODEC_ID_AAC,
3704 .video_codec = AV_CODEC_ID_H264,
3705 .write_header = mov_write_header,
3706 .write_packet = mov_write_packet,
3707 .write_trailer = mov_write_trailer,
3708 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3709 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
3710 .priv_class = &f4v_muxer_class,