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
29 #include "avio_internal.h"
34 #include "libavcodec/get_bits.h"
35 #include "libavcodec/put_bits.h"
36 #include "libavcodec/vc1_common.h"
38 #include "libavutil/avstring.h"
39 #include "libavutil/intfloat.h"
40 #include "libavutil/mathematics.h"
41 #include "libavutil/opt.h"
42 #include "libavutil/dict.h"
50 static const AVOption options[] = {
51 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "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" },
53 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
58 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
59 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
61 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
66 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
67 { "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},
68 { "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},
69 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
70 { "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},
71 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
72 { "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},
73 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
74 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
75 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
79 #define MOV_CLASS(flavor)\
80 static const AVClass flavor ## _muxer_class = {\
81 .class_name = #flavor " muxer",\
82 .item_name = av_default_item_name,\
84 .version = LIBAVUTIL_VERSION_INT,\
87 static int utf8len(const uint8_t *b)
92 GET_UTF8(val, *b++, return -1;)
98 //FIXME support 64 bit variant with wide placeholders
99 static int64_t update_size(AVIOContext *pb, int64_t pos)
101 int64_t curpos = avio_tell(pb);
102 avio_seek(pb, pos, SEEK_SET);
103 avio_wb32(pb, curpos - pos); /* rewrite size */
104 avio_seek(pb, curpos, SEEK_SET);
109 static int co64_required(const MOVTrack *track)
111 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
116 /* Chunk offset atom */
117 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
120 int mode64 = co64_required(track); // use 32 bit size variant if possible
121 int64_t pos = avio_tell(pb);
122 avio_wb32(pb, 0); /* size */
124 ffio_wfourcc(pb, "co64");
126 ffio_wfourcc(pb, "stco");
127 avio_wb32(pb, 0); /* version & flags */
128 avio_wb32(pb, track->entry); /* entry count */
129 for (i = 0; i < track->entry; i++) {
131 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
133 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
135 return update_size(pb, pos);
138 /* Sample size atom */
139 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
142 int i, j, entries = 0, tst = -1, oldtst = -1;
144 int64_t pos = avio_tell(pb);
145 avio_wb32(pb, 0); /* size */
146 ffio_wfourcc(pb, "stsz");
147 avio_wb32(pb, 0); /* version & flags */
149 for (i = 0; i < track->entry; i++) {
150 tst = track->cluster[i].size / track->cluster[i].entries;
151 if (oldtst != -1 && tst != oldtst)
154 entries += track->cluster[i].entries;
156 if (equalChunks && track->entry) {
157 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
158 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
159 avio_wb32(pb, sSize); // sample size
160 avio_wb32(pb, entries); // sample count
162 avio_wb32(pb, 0); // sample size
163 avio_wb32(pb, entries); // sample count
164 for (i = 0; i < track->entry; i++) {
165 for (j = 0; j < track->cluster[i].entries; j++) {
166 avio_wb32(pb, track->cluster[i].size /
167 track->cluster[i].entries);
171 return update_size(pb, pos);
174 /* Sample to chunk atom */
175 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
177 int index = 0, oldval = -1, i;
178 int64_t entryPos, curpos;
180 int64_t pos = avio_tell(pb);
181 avio_wb32(pb, 0); /* size */
182 ffio_wfourcc(pb, "stsc");
183 avio_wb32(pb, 0); // version & flags
184 entryPos = avio_tell(pb);
185 avio_wb32(pb, track->entry); // entry count
186 for (i = 0; i < track->entry; i++) {
187 if (oldval != track->cluster[i].samples_in_chunk) {
188 avio_wb32(pb, i + 1); // first chunk
189 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
190 avio_wb32(pb, 0x1); // sample description index
191 oldval = track->cluster[i].samples_in_chunk;
195 curpos = avio_tell(pb);
196 avio_seek(pb, entryPos, SEEK_SET);
197 avio_wb32(pb, index); // rewrite size
198 avio_seek(pb, curpos, SEEK_SET);
200 return update_size(pb, pos);
203 /* Sync sample atom */
204 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
206 int64_t curpos, entryPos;
208 int64_t pos = avio_tell(pb);
209 avio_wb32(pb, 0); // size
210 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
211 avio_wb32(pb, 0); // version & flags
212 entryPos = avio_tell(pb);
213 avio_wb32(pb, track->entry); // entry count
214 for (i = 0; i < track->entry; i++) {
215 if (track->cluster[i].flags & flag) {
216 avio_wb32(pb, i + 1);
220 curpos = avio_tell(pb);
221 avio_seek(pb, entryPos, SEEK_SET);
222 avio_wb32(pb, index); // rewrite size
223 avio_seek(pb, curpos, SEEK_SET);
224 return update_size(pb, pos);
227 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
229 avio_wb32(pb, 0x11); /* size */
230 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
231 else ffio_wfourcc(pb, "damr");
232 ffio_wfourcc(pb, "FFMP");
233 avio_w8(pb, 0); /* decoder version */
235 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
236 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
237 avio_w8(pb, 0x01); /* Frames per sample */
241 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
246 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
248 if (track->vos_len < 7)
252 ffio_wfourcc(pb, "dac3");
254 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
255 fscod = get_bits(&gbc, 2);
256 frmsizecod = get_bits(&gbc, 6);
257 bsid = get_bits(&gbc, 5);
258 bsmod = get_bits(&gbc, 3);
259 acmod = get_bits(&gbc, 3);
261 skip_bits(&gbc, 2); // dsurmod
263 if ((acmod & 1) && acmod != 1)
264 skip_bits(&gbc, 2); // cmixlev
266 skip_bits(&gbc, 2); // surmixlev
268 lfeon = get_bits1(&gbc);
270 init_put_bits(&pbc, buf, sizeof(buf));
271 put_bits(&pbc, 2, fscod);
272 put_bits(&pbc, 5, bsid);
273 put_bits(&pbc, 3, bsmod);
274 put_bits(&pbc, 3, acmod);
275 put_bits(&pbc, 1, lfeon);
276 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
277 put_bits(&pbc, 5, 0); // reserved
279 flush_put_bits(&pbc);
280 avio_write(pb, buf, sizeof(buf));
286 * This function writes extradata "as is".
287 * Extradata must be formatted like a valid atom (with size and tag).
289 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
291 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
292 return track->enc->extradata_size;
295 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
300 avio_w8(pb, (size >> (7 * i)) | 0x80);
301 avio_w8(pb, size & 0x7F);
304 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
306 int64_t pos = avio_tell(pb);
307 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
309 avio_wb32(pb, 0); // size
310 ffio_wfourcc(pb, "esds");
311 avio_wb32(pb, 0); // Version
314 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
315 avio_wb16(pb, track->track_id);
316 avio_w8(pb, 0x00); // flags (= no flags)
318 // DecoderConfig descriptor
319 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
321 // Object type indication
322 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
323 track->enc->codec_id == AV_CODEC_ID_MP3) &&
324 track->enc->sample_rate > 24000)
325 avio_w8(pb, 0x6B); // 11172-3
327 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
329 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
330 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
331 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
332 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
333 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
334 avio_w8(pb, 0x15); // flags (= Audiostream)
336 avio_w8(pb, 0x11); // flags (= Visualstream)
338 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
340 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
341 if (track->enc->rc_max_rate != track->enc->rc_min_rate ||
342 track->enc->rc_min_rate == 0)
343 avio_wb32(pb, 0); // vbr
345 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
347 if (track->vos_len) {
348 // DecoderSpecific info descriptor
349 put_descr(pb, 0x05, track->vos_len);
350 avio_write(pb, track->vos_data, track->vos_len);
354 put_descr(pb, 0x06, 1);
356 return update_size(pb, pos);
359 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
361 int64_t pos = avio_tell(pb);
363 avio_wl32(pb, track->tag); // store it byteswapped
364 track->enc->codec_tag = av_bswap16(track->tag >> 16);
365 ff_put_wav_header(pb, track->enc);
366 return update_size(pb, pos);
369 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
371 int64_t pos = avio_tell(pb);
373 ffio_wfourcc(pb, "wfex");
374 ff_put_wav_header(pb, track->enc);
375 return update_size(pb, pos);
378 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
380 uint32_t layout_tag, bitmap;
381 int64_t pos = avio_tell(pb);
383 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
384 track->enc->channel_layout,
387 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
388 "lack of channel information\n");
392 avio_wb32(pb, 0); // Size
393 ffio_wfourcc(pb, "chan"); // Type
394 avio_w8(pb, 0); // Version
395 avio_wb24(pb, 0); // Flags
396 avio_wb32(pb, layout_tag); // mChannelLayoutTag
397 avio_wb32(pb, bitmap); // mChannelBitmap
398 avio_wb32(pb, 0); // mNumberChannelDescriptions
400 return update_size(pb, pos);
403 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
405 int64_t pos = avio_tell(pb);
407 avio_wb32(pb, 0); /* size */
408 ffio_wfourcc(pb, "wave");
410 avio_wb32(pb, 12); /* size */
411 ffio_wfourcc(pb, "frma");
412 avio_wl32(pb, track->tag);
414 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
415 /* useless atom needed by mplayer, ipod, not needed by quicktime */
416 avio_wb32(pb, 12); /* size */
417 ffio_wfourcc(pb, "mp4a");
419 mov_write_esds_tag(pb, track);
420 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
421 mov_write_amr_tag(pb, track);
422 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
423 mov_write_ac3_tag(pb, track);
424 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
425 mov_write_extradata_tag(pb, track);
426 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
427 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
428 mov_write_ms_tag(pb, track);
431 avio_wb32(pb, 8); /* size */
432 avio_wb32(pb, 0); /* null tag */
434 return update_size(pb, pos);
437 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
440 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
441 int unescaped_size, seq_found = 0;
442 int level = 0, interlace = 0;
443 int packet_seq = track->vc1_info.packet_seq;
444 int packet_entry = track->vc1_info.packet_entry;
445 int slices = track->vc1_info.slices;
448 if (track->start_dts == AV_NOPTS_VALUE) {
449 /* No packets written yet, vc1_info isn't authoritative yet. */
450 /* Assume inline sequence and entry headers. */
451 packet_seq = packet_entry = 1;
452 av_log(NULL, AV_LOG_WARNING,
453 "moov atom written before any packets, unable to write correct "
454 "dvc1 atom. Set the delay_moov flag to fix this.\n");
457 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
459 return AVERROR(ENOMEM);
460 start = find_next_marker(track->vos_data, end);
461 for (next = start; next < end; start = next) {
464 next = find_next_marker(start + 4, end);
465 size = next - start - 4;
468 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
469 init_get_bits(&gb, unescaped, 8 * unescaped_size);
470 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
471 int profile = get_bits(&gb, 2);
472 if (profile != PROFILE_ADVANCED) {
474 return AVERROR(ENOSYS);
477 level = get_bits(&gb, 3);
478 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
480 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
481 skip_bits(&gb, 1); /* broadcast */
482 interlace = get_bits1(&gb);
483 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
488 return AVERROR(ENOSYS);
491 init_put_bits(&pbc, buf, 7);
492 /* VC1DecSpecStruc */
493 put_bits(&pbc, 4, 12); /* profile - advanced */
494 put_bits(&pbc, 3, level);
495 put_bits(&pbc, 1, 0); /* reserved */
496 /* VC1AdvDecSpecStruc */
497 put_bits(&pbc, 3, level);
498 put_bits(&pbc, 1, 0); /* cbr */
499 put_bits(&pbc, 6, 0); /* reserved */
500 put_bits(&pbc, 1, !interlace); /* no interlace */
501 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
502 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
503 put_bits(&pbc, 1, !slices); /* no slice code */
504 put_bits(&pbc, 1, 0); /* no bframe */
505 put_bits(&pbc, 1, 0); /* reserved */
508 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
509 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
511 put_bits32(&pbc, 0xffffffff);
513 flush_put_bits(&pbc);
520 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
522 uint8_t buf[7] = { 0 };
525 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
528 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
529 ffio_wfourcc(pb, "dvc1");
530 avio_write(pb, buf, sizeof(buf));
531 avio_write(pb, track->vos_data, track->vos_len);
536 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
538 avio_wb32(pb, track->vos_len + 8);
539 ffio_wfourcc(pb, "glbl");
540 avio_write(pb, track->vos_data, track->vos_len);
541 return 8 + track->vos_len;
545 * Compute flags for 'lpcm' tag.
546 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
548 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
551 case AV_CODEC_ID_PCM_F32BE:
552 case AV_CODEC_ID_PCM_F64BE:
554 case AV_CODEC_ID_PCM_F32LE:
555 case AV_CODEC_ID_PCM_F64LE:
557 case AV_CODEC_ID_PCM_U8:
559 case AV_CODEC_ID_PCM_S16BE:
560 case AV_CODEC_ID_PCM_S24BE:
561 case AV_CODEC_ID_PCM_S32BE:
563 case AV_CODEC_ID_PCM_S8:
564 case AV_CODEC_ID_PCM_S16LE:
565 case AV_CODEC_ID_PCM_S24LE:
566 case AV_CODEC_ID_PCM_S32LE:
573 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
577 if (cluster_idx >= track->entry)
580 if (cluster_idx + 1 == track->entry)
581 next_dts = track->track_duration + track->start_dts;
583 next_dts = track->cluster[cluster_idx + 1].dts;
585 return next_dts - track->cluster[cluster_idx].dts;
588 static int get_samples_per_packet(MOVTrack *track)
590 int i, first_duration;
592 /* use 1 for raw PCM */
593 if (!track->audio_vbr)
596 /* check to see if duration is constant for all clusters */
599 first_duration = get_cluster_duration(track, 0);
600 for (i = 1; i < track->entry; i++) {
601 if (get_cluster_duration(track, i) != first_duration)
604 return first_duration;
607 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
609 int64_t pos = avio_tell(pb);
611 uint32_t tag = track->tag;
613 if (track->mode == MODE_MOV) {
614 if (mov_get_lpcm_flags(track->enc->codec_id))
615 tag = AV_RL32("lpcm");
619 avio_wb32(pb, 0); /* size */
620 avio_wl32(pb, tag); // store it byteswapped
621 avio_wb32(pb, 0); /* Reserved */
622 avio_wb16(pb, 0); /* Reserved */
623 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
625 /* SoundDescription */
626 avio_wb16(pb, version); /* Version */
627 avio_wb16(pb, 0); /* Revision level */
628 avio_wb32(pb, 0); /* Reserved */
633 avio_wb16(pb, 0xfffe);
635 avio_wb32(pb, 0x00010000);
637 avio_wb64(pb, av_double2int(track->enc->sample_rate));
638 avio_wb32(pb, track->enc->channels);
639 avio_wb32(pb, 0x7F000000);
640 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
641 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
642 avio_wb32(pb, track->sample_size);
643 avio_wb32(pb, get_samples_per_packet(track));
645 /* reserved for mp4/3gp */
650 avio_wb16(pb, 0); /* packet size (= 0) */
651 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
652 track->enc->sample_rate : 0);
653 avio_wb16(pb, 0); /* Reserved */
656 if (track->mode == MODE_MOV &&
657 (track->enc->codec_id == AV_CODEC_ID_AAC ||
658 track->enc->codec_id == AV_CODEC_ID_AC3 ||
659 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
660 track->enc->codec_id == AV_CODEC_ID_ALAC ||
661 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
662 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
663 mov_write_wave_tag(pb, track);
664 else if (track->tag == MKTAG('m','p','4','a'))
665 mov_write_esds_tag(pb, track);
666 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
667 mov_write_amr_tag(pb, track);
668 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
669 mov_write_ac3_tag(pb, track);
670 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
671 mov_write_extradata_tag(pb, track);
672 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
673 mov_write_wfex_tag(pb, track);
674 else if (track->vos_len > 0)
675 mov_write_glbl_tag(pb, track);
677 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
678 mov_write_chan_tag(pb, track);
680 return update_size(pb, pos);
683 static int mov_write_d263_tag(AVIOContext *pb)
685 avio_wb32(pb, 0xf); /* size */
686 ffio_wfourcc(pb, "d263");
687 ffio_wfourcc(pb, "FFMP");
688 avio_w8(pb, 0); /* decoder version */
689 /* FIXME use AVCodecContext level/profile, when encoder will set values */
690 avio_w8(pb, 0xa); /* level */
691 avio_w8(pb, 0); /* profile */
695 /* TODO: No idea about these values */
696 static int mov_write_svq3_tag(AVIOContext *pb)
699 ffio_wfourcc(pb, "SMI ");
700 ffio_wfourcc(pb, "SEQH");
702 avio_wb32(pb, 0xe2c0211d);
703 avio_wb32(pb, 0xc0000000);
708 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
710 int64_t pos = avio_tell(pb);
713 ffio_wfourcc(pb, "avcC");
714 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
715 return update_size(pb, pos);
718 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
720 int64_t pos = avio_tell(pb);
723 ffio_wfourcc(pb, "hvcC");
724 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
725 return update_size(pb, pos);
728 /* also used by all avid codecs (dv, imx, meridien) and their variants */
729 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
732 avio_wb32(pb, 24); /* size */
733 ffio_wfourcc(pb, "ACLR");
734 ffio_wfourcc(pb, "ACLR");
735 ffio_wfourcc(pb, "0001");
736 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
737 avio_wb32(pb, 0); /* unknown */
739 avio_wb32(pb, 24); /* size */
740 ffio_wfourcc(pb, "APRG");
741 ffio_wfourcc(pb, "APRG");
742 ffio_wfourcc(pb, "0001");
743 avio_wb32(pb, 1); /* unknown */
744 avio_wb32(pb, 0); /* unknown */
746 avio_wb32(pb, 120); /* size */
747 ffio_wfourcc(pb, "ARES");
748 ffio_wfourcc(pb, "ARES");
749 ffio_wfourcc(pb, "0001");
750 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
751 avio_wb32(pb, track->enc->width);
752 /* values below are based on samples created with quicktime and avid codecs */
753 if (track->vos_data[5] & 2) { // interlaced
754 avio_wb32(pb, track->enc->height / 2);
755 avio_wb32(pb, 2); /* unknown */
756 avio_wb32(pb, 0); /* unknown */
757 avio_wb32(pb, 4); /* unknown */
759 avio_wb32(pb, track->enc->height);
760 avio_wb32(pb, 1); /* unknown */
761 avio_wb32(pb, 0); /* unknown */
762 if (track->enc->height == 1080)
763 avio_wb32(pb, 5); /* unknown */
765 avio_wb32(pb, 6); /* unknown */
768 for (i = 0; i < 10; i++)
771 /* extra padding for stsd needed */
776 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
778 int tag = track->enc->codec_tag;
780 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
783 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
784 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
785 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
786 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
787 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
788 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
789 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
790 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
791 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
796 static const AVCodecTag codec_ipod_tags[] = {
797 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
798 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
799 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
800 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
801 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
802 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
803 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
804 { AV_CODEC_ID_NONE, 0 },
807 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
809 int tag = track->enc->codec_tag;
811 // keep original tag for subs, ipod supports both formats
812 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
813 (tag == MKTAG('t', 'x', '3', 'g') ||
814 tag == MKTAG('t', 'e', 'x', 't'))))
815 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
817 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
818 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
819 "Quicktime/Ipod might not play the file\n");
824 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
828 if (track->enc->width == 720) /* SD */
829 if (track->enc->height == 480) /* NTSC */
830 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
831 else tag = MKTAG('d','v','c',' ');
832 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
833 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
834 else tag = MKTAG('d','v','p','p');
835 else if (track->enc->height == 720) /* HD 720 line */
836 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
837 else tag = MKTAG('d','v','h','p');
838 else if (track->enc->height == 1080) /* HD 1080 line */
839 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
840 else tag = MKTAG('d','v','h','6');
842 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
849 static const struct {
850 enum AVPixelFormat pix_fmt;
853 } mov_pix_fmt_tags[] = {
854 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
855 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
856 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
857 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
858 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
859 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
860 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
861 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
862 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
863 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
864 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
865 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
866 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
867 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
870 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
872 int tag = track->enc->codec_tag;
875 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
876 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
877 tag = mov_pix_fmt_tags[i].tag;
878 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
886 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
888 int tag = track->enc->codec_tag;
890 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
891 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
892 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
893 track->enc->codec_id == AV_CODEC_ID_H263 ||
894 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
895 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
896 tag = mov_get_dv_codec_tag(s, track);
897 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
898 tag = mov_get_rawvideo_codec_tag(s, track);
899 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
900 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
901 if (!tag) { // if no mac fcc found, try with Microsoft tags
902 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
904 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
905 "the file may be unplayable!\n");
907 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
908 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
909 if (!tag) { // if no mac fcc found, try with Microsoft tags
910 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
912 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
913 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
914 "the file may be unplayable!\n");
917 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
918 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
924 static const AVCodecTag codec_3gp_tags[] = {
925 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
926 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
927 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
928 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
929 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
930 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
931 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
932 { AV_CODEC_ID_NONE, 0 },
935 static const AVCodecTag codec_f4v_tags[] = {
936 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
937 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
938 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
939 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
940 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
941 { AV_CODEC_ID_NONE, 0 },
944 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
948 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
949 tag = mp4_get_codec_tag(s, track);
950 else if (track->mode == MODE_ISM) {
951 tag = mp4_get_codec_tag(s, track);
952 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
953 tag = MKTAG('w', 'm', 'a', ' ');
954 } else if (track->mode == MODE_IPOD)
955 tag = ipod_get_codec_tag(s, track);
956 else if (track->mode & MODE_3GP)
957 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
958 else if (track->mode == MODE_F4V)
959 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
961 tag = mov_get_codec_tag(s, track);
967 * Needed to make file play in iPods running newest firmware
968 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
970 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
973 ffio_wfourcc(pb, "uuid");
974 avio_wb32(pb, 0x6b6840f2);
975 avio_wb32(pb, 0x5f244fc5);
976 avio_wb32(pb, 0xba39a51b);
977 avio_wb32(pb, 0xcf0323f3);
982 static const uint16_t fiel_data[] = {
983 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
986 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
988 unsigned mov_field_order = 0;
989 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
990 mov_field_order = fiel_data[track->enc->field_order];
994 ffio_wfourcc(pb, "fiel");
995 avio_wb16(pb, mov_field_order);
999 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1001 int64_t pos = avio_tell(pb);
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 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1009 mov_write_esds_tag(pb, track);
1010 else if (track->enc->extradata_size)
1011 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1013 return update_size(pb, pos);
1016 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1019 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1020 track->enc->sample_aspect_ratio.den, INT_MAX);
1023 ffio_wfourcc(pb, "pasp");
1024 avio_wb32(pb, sar.num);
1025 avio_wb32(pb, sar.den);
1029 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1031 AVDictionaryEntry *encoder;
1032 int64_t pos = avio_tell(pb);
1033 char compressor_name[32] = { 0 };
1035 avio_wb32(pb, 0); /* size */
1036 avio_wl32(pb, track->tag); // store it byteswapped
1037 avio_wb32(pb, 0); /* Reserved */
1038 avio_wb16(pb, 0); /* Reserved */
1039 avio_wb16(pb, 1); /* Data-reference index */
1041 avio_wb16(pb, 0); /* Codec stream version */
1042 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1043 if (track->mode == MODE_MOV) {
1044 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1045 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1046 avio_wb32(pb, 0); /* Temporal Quality */
1047 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1049 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1050 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1053 avio_wb32(pb, 0); /* Reserved */
1054 avio_wb32(pb, 0); /* Reserved */
1055 avio_wb32(pb, 0); /* Reserved */
1057 avio_wb16(pb, track->enc->width); /* Video width */
1058 avio_wb16(pb, track->height); /* Video height */
1059 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1060 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1061 avio_wb32(pb, 0); /* Data size (= 0) */
1062 avio_wb16(pb, 1); /* Frame count (= 1) */
1064 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1065 if (track->mode == MODE_MOV &&
1066 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0)))
1067 av_strlcpy(compressor_name, encoder->value, 32);
1068 avio_w8(pb, strlen(compressor_name));
1069 avio_write(pb, compressor_name, 31);
1071 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1072 avio_wb16(pb, track->enc->bits_per_coded_sample);
1074 avio_wb16(pb, 0x18); /* Reserved */
1075 avio_wb16(pb, 0xffff); /* Reserved */
1076 if (track->tag == MKTAG('m','p','4','v'))
1077 mov_write_esds_tag(pb, track);
1078 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1079 mov_write_d263_tag(pb);
1080 else if (track->enc->codec_id == AV_CODEC_ID_SVQ3)
1081 mov_write_svq3_tag(pb);
1082 else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1083 mov_write_avid_tag(pb, track);
1084 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1085 mov_write_hvcc_tag(pb, track);
1086 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1087 mov_write_avcc_tag(pb, track);
1088 if (track->mode == MODE_IPOD)
1089 mov_write_uuid_tag_ipod(pb);
1090 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1091 mov_write_fiel_tag(pb, track);
1092 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1093 mov_write_dvc1_tag(pb, track);
1094 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1095 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1096 /* Don't write any potential extradata here - the cropping
1097 * is signalled via the normal width/height fields. */
1098 } else if (track->vos_len > 0)
1099 mov_write_glbl_tag(pb, track);
1101 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1102 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1103 mov_write_pasp_tag(pb, track);
1106 return update_size(pb, pos);
1109 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1111 int64_t pos = avio_tell(pb);
1112 avio_wb32(pb, 0); /* size */
1113 ffio_wfourcc(pb, "rtp ");
1114 avio_wb32(pb, 0); /* Reserved */
1115 avio_wb16(pb, 0); /* Reserved */
1116 avio_wb16(pb, 1); /* Data-reference index */
1118 avio_wb16(pb, 1); /* Hint track version */
1119 avio_wb16(pb, 1); /* Highest compatible version */
1120 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1122 avio_wb32(pb, 12); /* size */
1123 ffio_wfourcc(pb, "tims");
1124 avio_wb32(pb, track->timescale);
1126 return update_size(pb, pos);
1129 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1131 int64_t pos = avio_tell(pb);
1133 avio_wb32(pb, 0); /* size */
1134 ffio_wfourcc(pb, "tmcd"); /* Data format */
1135 avio_wb32(pb, 0); /* Reserved */
1136 avio_wb32(pb, 1); /* Data reference index */
1137 if (track->enc->extradata_size)
1138 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1139 return update_size(pb, pos);
1142 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1144 int64_t pos = avio_tell(pb);
1145 avio_wb32(pb, 0); /* size */
1146 ffio_wfourcc(pb, "stsd");
1147 avio_wb32(pb, 0); /* version & flags */
1148 avio_wb32(pb, 1); /* entry count */
1149 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1150 mov_write_video_tag(pb, track);
1151 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1152 mov_write_audio_tag(pb, track);
1153 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1154 mov_write_subtitle_tag(pb, track);
1155 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1156 mov_write_rtp_tag(pb, track);
1157 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1158 mov_write_tmcd_tag(pb, track);
1159 return update_size(pb, pos);
1162 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1164 MOVStts *ctts_entries;
1165 uint32_t entries = 0;
1169 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1170 ctts_entries[0].count = 1;
1171 ctts_entries[0].duration = track->cluster[0].cts;
1172 for (i = 1; i < track->entry; i++) {
1173 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1174 ctts_entries[entries].count++; /* compress */
1177 ctts_entries[entries].duration = track->cluster[i].cts;
1178 ctts_entries[entries].count = 1;
1181 entries++; /* last one */
1182 atom_size = 16 + (entries * 8);
1183 avio_wb32(pb, atom_size); /* size */
1184 ffio_wfourcc(pb, "ctts");
1185 avio_wb32(pb, 0); /* version & flags */
1186 avio_wb32(pb, entries); /* entry count */
1187 for (i = 0; i < entries; i++) {
1188 avio_wb32(pb, ctts_entries[i].count);
1189 avio_wb32(pb, ctts_entries[i].duration);
1191 av_free(ctts_entries);
1195 /* Time to sample atom */
1196 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1198 MOVStts *stts_entries;
1199 uint32_t entries = -1;
1203 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1204 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1205 stts_entries[0].count = track->sample_count;
1206 stts_entries[0].duration = 1;
1209 stts_entries = track->entry ?
1210 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1212 for (i = 0; i < track->entry; i++) {
1213 int duration = get_cluster_duration(track, i);
1214 if (i && duration == stts_entries[entries].duration) {
1215 stts_entries[entries].count++; /* compress */
1218 stts_entries[entries].duration = duration;
1219 stts_entries[entries].count = 1;
1222 entries++; /* last one */
1224 atom_size = 16 + (entries * 8);
1225 avio_wb32(pb, atom_size); /* size */
1226 ffio_wfourcc(pb, "stts");
1227 avio_wb32(pb, 0); /* version & flags */
1228 avio_wb32(pb, entries); /* entry count */
1229 for (i = 0; i < entries; i++) {
1230 avio_wb32(pb, stts_entries[i].count);
1231 avio_wb32(pb, stts_entries[i].duration);
1233 av_free(stts_entries);
1237 static int mov_write_dref_tag(AVIOContext *pb)
1239 avio_wb32(pb, 28); /* size */
1240 ffio_wfourcc(pb, "dref");
1241 avio_wb32(pb, 0); /* version & flags */
1242 avio_wb32(pb, 1); /* entry count */
1244 avio_wb32(pb, 0xc); /* size */
1245 ffio_wfourcc(pb, "url ");
1246 avio_wb32(pb, 1); /* version & flags */
1251 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1253 int64_t pos = avio_tell(pb);
1254 avio_wb32(pb, 0); /* size */
1255 ffio_wfourcc(pb, "stbl");
1256 mov_write_stsd_tag(pb, track);
1257 mov_write_stts_tag(pb, track);
1258 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1259 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1260 track->has_keyframes && track->has_keyframes < track->entry)
1261 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1262 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1263 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1264 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1265 track->flags & MOV_TRACK_CTTS && track->entry)
1266 mov_write_ctts_tag(pb, track);
1267 mov_write_stsc_tag(pb, track);
1268 mov_write_stsz_tag(pb, track);
1269 mov_write_stco_tag(pb, track);
1270 return update_size(pb, pos);
1273 static int mov_write_dinf_tag(AVIOContext *pb)
1275 int64_t pos = avio_tell(pb);
1276 avio_wb32(pb, 0); /* size */
1277 ffio_wfourcc(pb, "dinf");
1278 mov_write_dref_tag(pb);
1279 return update_size(pb, pos);
1282 static int mov_write_nmhd_tag(AVIOContext *pb)
1285 ffio_wfourcc(pb, "nmhd");
1290 static int mov_write_gmhd_tag(AVIOContext *pb)
1292 avio_wb32(pb, 0x20); /* size */
1293 ffio_wfourcc(pb, "gmhd");
1294 avio_wb32(pb, 0x18); /* gmin size */
1295 ffio_wfourcc(pb, "gmin");/* generic media info */
1296 avio_wb32(pb, 0); /* version & flags */
1297 avio_wb16(pb, 0x40); /* graphics mode = */
1298 avio_wb16(pb, 0x8000); /* opColor (r?) */
1299 avio_wb16(pb, 0x8000); /* opColor (g?) */
1300 avio_wb16(pb, 0x8000); /* opColor (b?) */
1301 avio_wb16(pb, 0); /* balance */
1302 avio_wb16(pb, 0); /* reserved */
1306 static int mov_write_smhd_tag(AVIOContext *pb)
1308 avio_wb32(pb, 16); /* size */
1309 ffio_wfourcc(pb, "smhd");
1310 avio_wb32(pb, 0); /* version & flags */
1311 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1312 avio_wb16(pb, 0); /* reserved */
1316 static int mov_write_vmhd_tag(AVIOContext *pb)
1318 avio_wb32(pb, 0x14); /* size (always 0x14) */
1319 ffio_wfourcc(pb, "vmhd");
1320 avio_wb32(pb, 0x01); /* version & flags */
1321 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1325 static int is_clcp_track(MOVTrack *track)
1327 return track->tag == MKTAG('c','7','0','8') ||
1328 track->tag == MKTAG('c','6','0','8');
1331 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1333 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1334 int64_t pos = avio_tell(pb);
1338 descr = "DataHandler";
1341 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1342 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1344 descr = "VideoHandler";
1345 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1347 descr = "SoundHandler";
1348 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1349 if (track->tag == MKTAG('t','x','3','g')) {
1351 } else if (track->tag == MKTAG('m','p','4','s')) {
1353 } else if (is_clcp_track(track)) {
1358 descr = "SubtitleHandler";
1359 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1361 descr = "HintHandler";
1362 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1364 descr = "TimeCodeHandler";
1367 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1368 track->enc->codec_tag);
1370 av_log(track->enc, AV_LOG_WARNING,
1371 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1372 tag_buf, track->enc->codec_tag);
1375 // hdlr.name is used by some players to identify the content title
1376 // of the track. So if an alternate handler description is
1377 // specified, use it.
1378 AVDictionaryEntry *t;
1379 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1380 if (t && utf8len(t->value))
1385 avio_wb32(pb, 0); /* size */
1386 ffio_wfourcc(pb, "hdlr");
1387 avio_wb32(pb, 0); /* Version & flags */
1388 avio_write(pb, hdlr, 4); /* handler */
1389 ffio_wfourcc(pb, hdlr_type); /* handler type */
1390 avio_wb32(pb, 0); /* reserved */
1391 avio_wb32(pb, 0); /* reserved */
1392 avio_wb32(pb, 0); /* reserved */
1393 if (!track || track->mode == MODE_MOV)
1394 avio_w8(pb, strlen(descr)); /* pascal string */
1395 avio_write(pb, descr, strlen(descr)); /* handler description */
1396 if (track && track->mode != MODE_MOV)
1397 avio_w8(pb, 0); /* c string */
1398 return update_size(pb, pos);
1401 static int mov_write_hmhd_tag(AVIOContext *pb)
1403 /* This atom must be present, but leaving the values at zero
1404 * seems harmless. */
1405 avio_wb32(pb, 28); /* size */
1406 ffio_wfourcc(pb, "hmhd");
1407 avio_wb32(pb, 0); /* version, flags */
1408 avio_wb16(pb, 0); /* maxPDUsize */
1409 avio_wb16(pb, 0); /* avgPDUsize */
1410 avio_wb32(pb, 0); /* maxbitrate */
1411 avio_wb32(pb, 0); /* avgbitrate */
1412 avio_wb32(pb, 0); /* reserved */
1416 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1418 int64_t pos = avio_tell(pb);
1419 avio_wb32(pb, 0); /* size */
1420 ffio_wfourcc(pb, "minf");
1421 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1422 mov_write_vmhd_tag(pb);
1423 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1424 mov_write_smhd_tag(pb);
1425 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1426 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1427 mov_write_gmhd_tag(pb);
1429 mov_write_nmhd_tag(pb);
1431 } else if (track->tag == MKTAG('r','t','p',' ')) {
1432 mov_write_hmhd_tag(pb);
1433 } else if (track->tag == MKTAG('t','m','c','d')) {
1434 mov_write_gmhd_tag(pb);
1436 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1437 mov_write_hdlr_tag(pb, NULL);
1438 mov_write_dinf_tag(pb);
1439 mov_write_stbl_tag(pb, track);
1440 return update_size(pb, pos);
1443 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1446 int version = track->track_duration < INT32_MAX ? 0 : 1;
1448 if (track->mode == MODE_ISM)
1451 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1452 ffio_wfourcc(pb, "mdhd");
1453 avio_w8(pb, version);
1454 avio_wb24(pb, 0); /* flags */
1456 avio_wb64(pb, track->time);
1457 avio_wb64(pb, track->time);
1459 avio_wb32(pb, track->time); /* creation time */
1460 avio_wb32(pb, track->time); /* modification time */
1462 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1463 if (!track->entry && mov->mode == MODE_ISM)
1464 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1465 else if (!track->entry)
1466 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
1468 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1469 avio_wb16(pb, track->language); /* language */
1470 avio_wb16(pb, 0); /* reserved (quality) */
1472 if (version != 0 && track->mode == MODE_MOV) {
1473 av_log(NULL, AV_LOG_ERROR,
1474 "FATAL error, file duration too long for timebase, this file will not be\n"
1475 "playable with quicktime. Choose a different timebase or a different\n"
1476 "container format\n");
1482 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
1485 int64_t pos = avio_tell(pb);
1486 avio_wb32(pb, 0); /* size */
1487 ffio_wfourcc(pb, "mdia");
1488 mov_write_mdhd_tag(pb, mov, track);
1489 mov_write_hdlr_tag(pb, track);
1490 mov_write_minf_tag(pb, track);
1491 return update_size(pb, pos);
1494 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1495 MOVTrack *track, AVStream *st)
1497 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1498 track->timescale, AV_ROUND_UP);
1499 int version = duration < INT32_MAX ? 0 : 1;
1500 int flags = MOV_TKHD_FLAG_IN_MOVIE;
1505 if (mov->per_stream_grouping)
1508 group = st->codec->codec_type;
1511 if (track->flags & MOV_TRACK_ENABLED)
1512 flags |= MOV_TKHD_FLAG_ENABLED;
1514 if (track->mode == MODE_ISM)
1517 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1518 ffio_wfourcc(pb, "tkhd");
1519 avio_w8(pb, version);
1520 avio_wb24(pb, flags);
1522 avio_wb64(pb, track->time);
1523 avio_wb64(pb, track->time);
1525 avio_wb32(pb, track->time); /* creation time */
1526 avio_wb32(pb, track->time); /* modification time */
1528 avio_wb32(pb, track->track_id); /* track-id */
1529 avio_wb32(pb, 0); /* reserved */
1530 if (!track->entry && mov->mode == MODE_ISM)
1531 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1532 else if (!track->entry)
1533 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
1535 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1537 avio_wb32(pb, 0); /* reserved */
1538 avio_wb32(pb, 0); /* reserved */
1539 avio_wb16(pb, 0); /* layer */
1540 avio_wb16(pb, group); /* alternate group) */
1541 /* Volume, only for audio */
1542 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1543 avio_wb16(pb, 0x0100);
1546 avio_wb16(pb, 0); /* reserved */
1548 /* Matrix structure */
1549 avio_wb32(pb, 0x00010000); /* reserved */
1550 avio_wb32(pb, 0x0); /* reserved */
1551 avio_wb32(pb, 0x0); /* reserved */
1552 avio_wb32(pb, 0x0); /* reserved */
1553 avio_wb32(pb, 0x00010000); /* reserved */
1554 avio_wb32(pb, 0x0); /* reserved */
1555 avio_wb32(pb, 0x0); /* reserved */
1556 avio_wb32(pb, 0x0); /* reserved */
1557 avio_wb32(pb, 0x40000000); /* reserved */
1559 /* Track width and height, for visual only */
1560 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1561 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1562 if (track->mode == MODE_MOV) {
1563 avio_wb32(pb, track->enc->width << 16);
1564 avio_wb32(pb, track->height << 16);
1566 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1567 if (!sample_aspect_ratio || track->height != track->enc->height)
1568 sample_aspect_ratio = 1;
1569 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1570 avio_wb32(pb, track->height * 0x10000);
1579 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1581 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1582 track->enc->sample_aspect_ratio.den);
1584 int64_t pos = avio_tell(pb);
1586 avio_wb32(pb, 0); /* size */
1587 ffio_wfourcc(pb, "tapt");
1590 ffio_wfourcc(pb, "clef");
1592 avio_wb32(pb, width << 16);
1593 avio_wb32(pb, track->enc->height << 16);
1596 ffio_wfourcc(pb, "prof");
1598 avio_wb32(pb, width << 16);
1599 avio_wb32(pb, track->enc->height << 16);
1602 ffio_wfourcc(pb, "enof");
1604 avio_wb32(pb, track->enc->width << 16);
1605 avio_wb32(pb, track->enc->height << 16);
1607 return update_size(pb, pos);
1610 // This box seems important for the psp playback ... without it the movie seems to hang
1611 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
1614 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1615 track->timescale, AV_ROUND_UP);
1616 int version = duration < INT32_MAX ? 0 : 1;
1617 int entry_size, entry_count, size;
1618 int64_t delay, start_ct = track->start_cts;
1619 delay = av_rescale_rnd(track->start_dts + start_ct, MOV_TIMESCALE,
1620 track->timescale, AV_ROUND_DOWN);
1621 version |= delay < INT32_MAX ? 0 : 1;
1623 entry_size = (version == 1) ? 20 : 12;
1624 entry_count = 1 + (delay > 0);
1625 size = 24 + entry_count * entry_size;
1627 /* write the atom data */
1628 avio_wb32(pb, size);
1629 ffio_wfourcc(pb, "edts");
1630 avio_wb32(pb, size - 8);
1631 ffio_wfourcc(pb, "elst");
1632 avio_w8(pb, version);
1633 avio_wb24(pb, 0); /* flags */
1635 avio_wb32(pb, entry_count);
1636 if (delay > 0) { /* add an empty edit to delay presentation */
1637 /* In the positive delay case, the delay includes the cts
1638 * offset, and the second edit list entry below trims out
1639 * the same amount from the actual content. This makes sure
1640 * that the offsetted last sample is included in the edit
1641 * list duration as well. */
1643 avio_wb64(pb, delay);
1646 avio_wb32(pb, delay);
1649 avio_wb32(pb, 0x00010000);
1651 /* Avoid accidentally ending up with start_ct = -1 which has got a
1652 * special meaning. Normally start_ct should end up positive or zero
1653 * here, but use FFMIN in case dts is a a small positive integer
1654 * rounded to 0 when represented in MOV_TIMESCALE units. */
1655 start_ct = -FFMIN(track->start_dts, 0);
1656 /* Note, this delay is calculated from the pts of the first sample,
1657 * ensuring that we don't reduce the duration for cases with
1662 /* For fragmented files, we don't know the full length yet. Setting
1663 * duration to 0 allows us to only specify the offset, including
1664 * the rest of the content (from all future fragments) without specifying
1665 * an explicit duration. */
1666 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
1671 avio_wb64(pb, duration);
1672 avio_wb64(pb, start_ct);
1674 avio_wb32(pb, duration);
1675 avio_wb32(pb, start_ct);
1677 avio_wb32(pb, 0x00010000);
1681 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1683 avio_wb32(pb, 20); // size
1684 ffio_wfourcc(pb, "tref");
1685 avio_wb32(pb, 12); // size (subatom)
1686 avio_wl32(pb, track->tref_tag);
1687 avio_wb32(pb, track->tref_id);
1691 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1692 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1694 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1695 ffio_wfourcc(pb, "uuid");
1696 ffio_wfourcc(pb, "USMT");
1697 avio_wb32(pb, 0x21d24fce);
1698 avio_wb32(pb, 0xbb88695c);
1699 avio_wb32(pb, 0xfac9c740);
1700 avio_wb32(pb, 0x1c); // another size here!
1701 ffio_wfourcc(pb, "MTDT");
1702 avio_wb32(pb, 0x00010012);
1703 avio_wb32(pb, 0x0a);
1704 avio_wb32(pb, 0x55c40000);
1710 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1712 AVFormatContext *ctx = track->rtp_ctx;
1713 char buf[1000] = "";
1716 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1717 NULL, NULL, 0, 0, ctx);
1718 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1721 avio_wb32(pb, len + 24);
1722 ffio_wfourcc(pb, "udta");
1723 avio_wb32(pb, len + 16);
1724 ffio_wfourcc(pb, "hnti");
1725 avio_wb32(pb, len + 8);
1726 ffio_wfourcc(pb, "sdp ");
1727 avio_write(pb, buf, len);
1731 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
1732 const char *tag, const char *str)
1734 int64_t pos = avio_tell(pb);
1735 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
1736 if (!t || !utf8len(t->value))
1739 avio_wb32(pb, 0); /* size */
1740 ffio_wfourcc(pb, tag); /* type */
1741 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
1742 return update_size(pb, pos);
1745 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1748 AVIOContext *pb_buf;
1752 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
1755 ret = avio_open_dyn_buf(&pb_buf);
1759 if (mov->mode & MODE_MP4)
1760 mov_write_track_metadata(pb_buf, st, "name", "title");
1762 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1763 avio_wb32(pb, size + 8);
1764 ffio_wfourcc(pb, "udta");
1765 avio_write(pb, buf, size);
1772 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1773 MOVTrack *track, AVStream *st)
1775 int64_t pos = avio_tell(pb);
1776 int entry_backup = track->entry;
1777 /* If we want to have an empty moov, but some samples already have been
1778 * buffered (delay_moov), pretend that no samples have been written yet. */
1779 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
1782 avio_wb32(pb, 0); /* size */
1783 ffio_wfourcc(pb, "trak");
1784 mov_write_tkhd_tag(pb, mov, track, st);
1785 if (track->start_dts != AV_NOPTS_VALUE &&
1786 (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1787 track->start_dts || is_clcp_track(track))) {
1788 if (mov->use_editlist)
1789 mov_write_edts_tag(pb, mov, track); // PSP Movies require edts box
1790 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
1791 av_log(mov->fc, AV_LOG_WARNING,
1792 "Not writing any edit list even though one would have been required\n");
1794 if (track->tref_tag)
1795 mov_write_tref_tag(pb, track);
1796 mov_write_mdia_tag(pb, mov, track);
1797 if (track->mode == MODE_PSP)
1798 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1799 if (track->tag == MKTAG('r','t','p',' '))
1800 mov_write_udta_sdp(pb, track);
1801 if (track->mode == MODE_MOV) {
1802 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1803 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1804 if ((0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)) {
1805 mov_write_tapt_tag(pb, track);
1808 if (is_clcp_track(track)) {
1809 mov_write_tapt_tag(pb, track);
1812 mov_write_track_udta_tag(pb, mov, st);
1813 track->entry = entry_backup;
1814 return update_size(pb, pos);
1817 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1819 int i, has_audio = 0, has_video = 0;
1820 int64_t pos = avio_tell(pb);
1821 int audio_profile = mov->iods_audio_profile;
1822 int video_profile = mov->iods_video_profile;
1823 for (i = 0; i < mov->nb_streams; i++) {
1824 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
1825 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1826 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1829 if (audio_profile < 0)
1830 audio_profile = 0xFF - has_audio;
1831 if (video_profile < 0)
1832 video_profile = 0xFF - has_video;
1833 avio_wb32(pb, 0x0); /* size */
1834 ffio_wfourcc(pb, "iods");
1835 avio_wb32(pb, 0); /* version & flags */
1836 put_descr(pb, 0x10, 7);
1837 avio_wb16(pb, 0x004f);
1840 avio_w8(pb, audio_profile);
1841 avio_w8(pb, video_profile);
1843 return update_size(pb, pos);
1846 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1848 avio_wb32(pb, 0x20); /* size */
1849 ffio_wfourcc(pb, "trex");
1850 avio_wb32(pb, 0); /* version & flags */
1851 avio_wb32(pb, track->track_id); /* track ID */
1852 avio_wb32(pb, 1); /* default sample description index */
1853 avio_wb32(pb, 0); /* default sample duration */
1854 avio_wb32(pb, 0); /* default sample size */
1855 avio_wb32(pb, 0); /* default sample flags */
1859 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1861 int64_t pos = avio_tell(pb);
1863 avio_wb32(pb, 0x0); /* size */
1864 ffio_wfourcc(pb, "mvex");
1865 for (i = 0; i < mov->nb_streams; i++)
1866 mov_write_trex_tag(pb, &mov->tracks[i]);
1867 return update_size(pb, pos);
1870 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1872 int max_track_id = 1, i;
1873 int64_t max_track_len_temp, max_track_len = 0;
1876 for (i = 0; i < mov->nb_streams; i++) {
1877 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1878 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1880 mov->tracks[i].timescale,
1882 if (max_track_len < max_track_len_temp)
1883 max_track_len = max_track_len_temp;
1884 if (max_track_id < mov->tracks[i].track_id)
1885 max_track_id = mov->tracks[i].track_id;
1888 /* If using delay_moov, make sure the output is the same as if no
1889 * samples had been written yet. */
1890 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
1895 version = max_track_len < UINT32_MAX ? 0 : 1;
1896 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1897 ffio_wfourcc(pb, "mvhd");
1898 avio_w8(pb, version);
1899 avio_wb24(pb, 0); /* flags */
1901 avio_wb64(pb, mov->time);
1902 avio_wb64(pb, mov->time);
1904 avio_wb32(pb, mov->time); /* creation time */
1905 avio_wb32(pb, mov->time); /* modification time */
1907 avio_wb32(pb, MOV_TIMESCALE);
1908 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1910 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1911 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1912 avio_wb16(pb, 0); /* reserved */
1913 avio_wb32(pb, 0); /* reserved */
1914 avio_wb32(pb, 0); /* reserved */
1916 /* Matrix structure */
1917 avio_wb32(pb, 0x00010000); /* reserved */
1918 avio_wb32(pb, 0x0); /* reserved */
1919 avio_wb32(pb, 0x0); /* reserved */
1920 avio_wb32(pb, 0x0); /* reserved */
1921 avio_wb32(pb, 0x00010000); /* reserved */
1922 avio_wb32(pb, 0x0); /* reserved */
1923 avio_wb32(pb, 0x0); /* reserved */
1924 avio_wb32(pb, 0x0); /* reserved */
1925 avio_wb32(pb, 0x40000000); /* reserved */
1927 avio_wb32(pb, 0); /* reserved (preview time) */
1928 avio_wb32(pb, 0); /* reserved (preview duration) */
1929 avio_wb32(pb, 0); /* reserved (poster time) */
1930 avio_wb32(pb, 0); /* reserved (selection time) */
1931 avio_wb32(pb, 0); /* reserved (selection duration) */
1932 avio_wb32(pb, 0); /* reserved (current time) */
1933 avio_wb32(pb, max_track_id + 1); /* Next track id */
1937 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1940 avio_wb32(pb, 33); /* size */
1941 ffio_wfourcc(pb, "hdlr");
1944 ffio_wfourcc(pb, "mdir");
1945 ffio_wfourcc(pb, "appl");
1952 /* helper function to write a data tag with the specified string as data */
1953 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1956 int size = 16 + strlen(data);
1957 avio_wb32(pb, size); /* size */
1958 ffio_wfourcc(pb, "data");
1961 avio_write(pb, data, strlen(data));
1965 lang = ff_mov_iso639_to_lang("und", 1);
1966 avio_wb16(pb, strlen(data)); /* string length */
1967 avio_wb16(pb, lang);
1968 avio_write(pb, data, strlen(data));
1969 return strlen(data) + 4;
1973 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1974 const char *value, int lang, int long_style)
1977 if (value && value[0]) {
1978 int64_t pos = avio_tell(pb);
1979 avio_wb32(pb, 0); /* size */
1980 ffio_wfourcc(pb, name);
1981 mov_write_string_data_tag(pb, value, lang, long_style);
1982 size = update_size(pb, pos);
1987 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1988 const char *name, const char *tag,
1991 int l, lang = 0, len, len2;
1992 AVDictionaryEntry *t, *t2 = NULL;
1995 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1998 len = strlen(t->key);
1999 snprintf(tag2, sizeof(tag2), "%s-", tag);
2000 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2001 len2 = strlen(t2->key);
2002 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2003 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2008 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2011 /* iTunes track number */
2012 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2015 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2016 int size = 0, track = t ? atoi(t->value) : 0;
2018 avio_wb32(pb, 32); /* size */
2019 ffio_wfourcc(pb, "trkn");
2020 avio_wb32(pb, 24); /* size */
2021 ffio_wfourcc(pb, "data");
2022 avio_wb32(pb, 0); // 8 bytes empty
2024 avio_wb16(pb, 0); // empty
2025 avio_wb16(pb, track); // track number
2026 avio_wb16(pb, 0); // total track number
2027 avio_wb16(pb, 0); // empty
2033 /* iTunes meta data list */
2034 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2037 int64_t pos = avio_tell(pb);
2038 avio_wb32(pb, 0); /* size */
2039 ffio_wfourcc(pb, "ilst");
2040 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2041 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2042 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2043 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2044 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2045 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2046 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2047 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2048 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2049 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2050 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2051 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2052 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2053 mov_write_string_metadata(s, pb, "desc", "description",1);
2054 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2055 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2056 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2057 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2058 mov_write_trkn_tag(pb, mov, s);
2059 return update_size(pb, pos);
2062 /* iTunes meta data tag */
2063 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2067 int64_t pos = avio_tell(pb);
2068 avio_wb32(pb, 0); /* size */
2069 ffio_wfourcc(pb, "meta");
2071 mov_write_itunes_hdlr_tag(pb, mov, s);
2072 mov_write_ilst_tag(pb, mov, s);
2073 size = update_size(pb, pos);
2077 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2081 GET_UTF8(val, *b++, return -1;)
2084 avio_wb16(pb, 0x00);
2088 static uint16_t language_code(const char *str)
2090 return (((str[0] - 0x60) & 0x1F) << 10) +
2091 (((str[1] - 0x60) & 0x1F) << 5) +
2092 (( str[2] - 0x60) & 0x1F);
2095 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2096 const char *tag, const char *str)
2098 int64_t pos = avio_tell(pb);
2099 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2100 if (!t || !utf8len(t->value))
2102 avio_wb32(pb, 0); /* size */
2103 ffio_wfourcc(pb, tag); /* type */
2104 avio_wb32(pb, 0); /* version + flags */
2105 if (!strcmp(tag, "yrrc"))
2106 avio_wb16(pb, atoi(t->value));
2108 avio_wb16(pb, language_code("eng")); /* language */
2109 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2110 if (!strcmp(tag, "albm") &&
2111 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2112 avio_w8(pb, atoi(t->value));
2114 return update_size(pb, pos);
2117 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2119 int64_t pos = avio_tell(pb);
2120 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2122 avio_wb32(pb, 0); // size
2123 ffio_wfourcc(pb, "chpl");
2124 avio_wb32(pb, 0x01000000); // version + flags
2125 avio_wb32(pb, 0); // unknown
2126 avio_w8(pb, nb_chapters);
2128 for (i = 0; i < nb_chapters; i++) {
2129 AVChapter *c = s->chapters[i];
2130 AVDictionaryEntry *t;
2131 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2133 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2134 int len = FFMIN(strlen(t->value), 255);
2136 avio_write(pb, t->value, len);
2140 return update_size(pb, pos);
2143 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2146 AVIOContext *pb_buf;
2150 if (s->flags & AVFMT_FLAG_BITEXACT)
2153 ret = avio_open_dyn_buf(&pb_buf);
2157 if (mov->mode & MODE_3GP) {
2158 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2159 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2160 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2161 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2162 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2163 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2164 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2165 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2166 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2167 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2168 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2169 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2170 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2171 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2172 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2173 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2174 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2175 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2177 /* iTunes meta data */
2178 mov_write_meta_tag(pb_buf, mov, s);
2181 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2182 mov_write_chpl_tag(pb_buf, s);
2184 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2185 avio_wb32(pb, size + 8);
2186 ffio_wfourcc(pb, "udta");
2187 avio_write(pb, buf, size);
2194 static void mov_write_psp_udta_tag(AVIOContext *pb,
2195 const char *str, const char *lang, int type)
2197 int len = utf8len(str) + 1;
2200 avio_wb16(pb, len * 2 + 10); /* size */
2201 avio_wb32(pb, type); /* type */
2202 avio_wb16(pb, language_code(lang)); /* language */
2203 avio_wb16(pb, 0x01); /* ? */
2204 ascii_to_wc(pb, str);
2207 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2209 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2213 pos = avio_tell(pb);
2214 avio_wb32(pb, 0); /* size placeholder*/
2215 ffio_wfourcc(pb, "uuid");
2216 ffio_wfourcc(pb, "USMT");
2217 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2218 avio_wb32(pb, 0xbb88695c);
2219 avio_wb32(pb, 0xfac9c740);
2221 pos2 = avio_tell(pb);
2222 avio_wb32(pb, 0); /* size placeholder*/
2223 ffio_wfourcc(pb, "MTDT");
2227 avio_wb16(pb, 0x0C); /* size */
2228 avio_wb32(pb, 0x0B); /* type */
2229 avio_wb16(pb, language_code("und")); /* language */
2230 avio_wb16(pb, 0x0); /* ? */
2231 avio_wb16(pb, 0x021C); /* data */
2233 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2234 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2235 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2237 update_size(pb, pos2);
2238 return update_size(pb, pos);
2244 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2248 int64_t pos = avio_tell(pb);
2249 avio_wb32(pb, 0); /* size placeholder*/
2250 ffio_wfourcc(pb, "moov");
2252 for (i = 0; i < mov->nb_streams; i++) {
2253 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2256 mov->tracks[i].time = mov->time;
2257 mov->tracks[i].track_id = i + 1;
2260 if (mov->chapter_track)
2261 for (i = 0; i < s->nb_streams; i++) {
2262 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2263 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2265 for (i = 0; i < mov->nb_streams; i++) {
2266 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2267 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2268 mov->tracks[i].tref_id =
2269 mov->tracks[mov->tracks[i].src_track].track_id;
2273 mov_write_mvhd_tag(pb, mov);
2274 if (mov->mode != MODE_MOV && !mov->iods_skip)
2275 mov_write_iods_tag(pb, mov);
2276 for (i = 0; i < mov->nb_streams; i++) {
2277 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2278 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2281 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2282 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2284 if (mov->mode == MODE_PSP)
2285 mov_write_uuidusmt_tag(pb, s);
2287 mov_write_udta_tag(pb, mov, s);
2289 return update_size(pb, pos);
2292 static void param_write_int(AVIOContext *pb, const char *name, int value)
2294 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2297 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2299 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2302 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2305 len = FFMIN(sizeof(buf) / 2 - 1, len);
2306 ff_data_to_hex(buf, value, len, 0);
2307 buf[2 * len] = '\0';
2308 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2311 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2313 int64_t pos = avio_tell(pb);
2315 const uint8_t uuid[] = {
2316 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2317 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2321 ffio_wfourcc(pb, "uuid");
2322 avio_write(pb, uuid, sizeof(uuid));
2325 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2326 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2327 avio_printf(pb, "<head>\n");
2328 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2330 avio_printf(pb, "</head>\n");
2331 avio_printf(pb, "<body>\n");
2332 avio_printf(pb, "<switch>\n");
2333 for (i = 0; i < mov->nb_streams; i++) {
2334 MOVTrack *track = &mov->tracks[i];
2336 /* track->track_id is initialized in write_moov, and thus isn't known
2338 int track_id = i + 1;
2340 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2342 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2347 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2348 track->enc->bit_rate);
2349 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2350 param_write_int(pb, "trackID", track_id);
2351 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2352 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2354 int size = track->enc->extradata_size;
2355 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2357 param_write_hex(pb, "CodecPrivateData",
2358 ptr ? ptr : track->enc->extradata,
2362 param_write_string(pb, "FourCC", "H264");
2363 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2364 param_write_string(pb, "FourCC", "WVC1");
2365 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2366 track->enc->extradata_size);
2368 param_write_int(pb, "MaxWidth", track->enc->width);
2369 param_write_int(pb, "MaxHeight", track->enc->height);
2370 param_write_int(pb, "DisplayWidth", track->enc->width);
2371 param_write_int(pb, "DisplayHeight", track->enc->height);
2373 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2374 param_write_string(pb, "FourCC", "AACL");
2375 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2376 param_write_string(pb, "FourCC", "WMAP");
2378 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2379 track->enc->extradata_size);
2380 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2381 track->enc->codec_id));
2382 param_write_int(pb, "Channels", track->enc->channels);
2383 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2384 param_write_int(pb, "BitsPerSample", 16);
2385 param_write_int(pb, "PacketSize", track->enc->block_align ?
2386 track->enc->block_align : 4);
2388 avio_printf(pb, "</%s>\n", type);
2390 avio_printf(pb, "</switch>\n");
2391 avio_printf(pb, "</body>\n");
2392 avio_printf(pb, "</smil>\n");
2394 return update_size(pb, pos);
2397 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2400 ffio_wfourcc(pb, "mfhd");
2402 avio_wb32(pb, mov->fragments);
2406 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2407 MOVTrack *track, int64_t moof_offset)
2409 int64_t pos = avio_tell(pb);
2410 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2411 MOV_TFHD_BASE_DATA_OFFSET;
2412 if (!track->entry) {
2413 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2415 flags |= MOV_TFHD_DEFAULT_FLAGS;
2417 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2418 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2419 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
2420 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2421 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
2424 /* Don't set a default sample size, the silverlight player refuses
2425 * to play files with that set. Don't set a default sample duration,
2426 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2427 * file format says it MUST NOT be set. */
2428 if (track->mode == MODE_ISM)
2429 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2430 MOV_TFHD_BASE_DATA_OFFSET);
2432 avio_wb32(pb, 0); /* size placeholder */
2433 ffio_wfourcc(pb, "tfhd");
2434 avio_w8(pb, 0); /* version */
2435 avio_wb24(pb, flags);
2437 avio_wb32(pb, track->track_id); /* track-id */
2438 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2439 avio_wb64(pb, moof_offset);
2440 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2441 track->default_duration = get_cluster_duration(track, 0);
2442 avio_wb32(pb, track->default_duration);
2444 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2445 track->default_size = track->entry ? track->cluster[0].size : 1;
2446 avio_wb32(pb, track->default_size);
2448 track->default_size = -1;
2450 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2451 track->default_sample_flags =
2452 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2453 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2454 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2455 avio_wb32(pb, track->default_sample_flags);
2458 return update_size(pb, pos);
2461 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2463 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2464 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2467 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2468 MOVTrack *track, int moof_size)
2470 int64_t pos = avio_tell(pb);
2471 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2474 for (i = 0; i < track->entry; i++) {
2475 if (get_cluster_duration(track, i) != track->default_duration)
2476 flags |= MOV_TRUN_SAMPLE_DURATION;
2477 if (track->cluster[i].size != track->default_size)
2478 flags |= MOV_TRUN_SAMPLE_SIZE;
2479 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2480 flags |= MOV_TRUN_SAMPLE_FLAGS;
2482 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2483 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2484 if (track->flags & MOV_TRACK_CTTS)
2485 flags |= MOV_TRUN_SAMPLE_CTS;
2487 avio_wb32(pb, 0); /* size placeholder */
2488 ffio_wfourcc(pb, "trun");
2489 avio_w8(pb, 0); /* version */
2490 avio_wb24(pb, flags);
2492 avio_wb32(pb, track->entry); /* sample count */
2493 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2494 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
2496 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2498 avio_wb32(pb, moof_size + 8 + track->data_offset +
2499 track->cluster[0].pos); /* data offset */
2500 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2501 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2503 for (i = 0; i < track->entry; i++) {
2504 if (flags & MOV_TRUN_SAMPLE_DURATION)
2505 avio_wb32(pb, get_cluster_duration(track, i));
2506 if (flags & MOV_TRUN_SAMPLE_SIZE)
2507 avio_wb32(pb, track->cluster[i].size);
2508 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2509 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2510 if (flags & MOV_TRUN_SAMPLE_CTS)
2511 avio_wb32(pb, track->cluster[i].cts);
2514 mov->first_trun = 0;
2515 return update_size(pb, pos);
2518 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2520 int64_t pos = avio_tell(pb);
2521 const uint8_t uuid[] = {
2522 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2523 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2526 avio_wb32(pb, 0); /* size placeholder */
2527 ffio_wfourcc(pb, "uuid");
2528 avio_write(pb, uuid, sizeof(uuid));
2531 avio_wb64(pb, track->frag_start);
2532 avio_wb64(pb, track->start_dts + track->track_duration -
2533 track->cluster[0].dts);
2535 return update_size(pb, pos);
2538 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2539 MOVTrack *track, int entry)
2541 int n = track->nb_frag_info - 1 - entry, i;
2542 int size = 8 + 16 + 4 + 1 + 16*n;
2543 const uint8_t uuid[] = {
2544 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2545 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2551 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2552 avio_wb32(pb, size);
2553 ffio_wfourcc(pb, "uuid");
2554 avio_write(pb, uuid, sizeof(uuid));
2558 for (i = 0; i < n; i++) {
2559 int index = entry + 1 + i;
2560 avio_wb64(pb, track->frag_info[index].time);
2561 avio_wb64(pb, track->frag_info[index].duration);
2563 if (n < mov->ism_lookahead) {
2564 int free_size = 16 * (mov->ism_lookahead - n);
2565 avio_wb32(pb, free_size);
2566 ffio_wfourcc(pb, "free");
2567 for (i = 0; i < free_size - 8; i++)
2574 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2577 int64_t pos = avio_tell(pb);
2579 for (i = 0; i < mov->ism_lookahead; i++) {
2580 /* Update the tfrf tag for the last ism_lookahead fragments,
2581 * nb_frag_info - 1 is the next fragment to be written. */
2582 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2584 avio_seek(pb, pos, SEEK_SET);
2588 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2592 for (i = 0; i < mov->nb_streams; i++) {
2593 MOVTrack *track = &mov->tracks[i];
2594 MOVFragmentInfo *info;
2595 if ((tracks >= 0 && i != tracks) || !track->entry)
2597 track->nb_frag_info++;
2598 if (track->nb_frag_info >= track->frag_info_capacity) {
2599 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2600 if (av_reallocp_array(&track->frag_info,
2602 sizeof(*track->frag_info)))
2603 return AVERROR(ENOMEM);
2604 track->frag_info_capacity = new_capacity;
2606 info = &track->frag_info[track->nb_frag_info - 1];
2607 info->offset = avio_tell(pb);
2609 // Try to recreate the original pts for the first packet
2610 // from the fields we have stored
2611 info->time = track->start_dts + track->frag_start +
2612 track->cluster[0].cts;
2613 // If the pts is less than zero, we will have trimmed
2614 // away parts of the media track using an edit list,
2615 // and the corresponding start presentation time is zero.
2618 info->duration = track->start_dts + track->track_duration -
2619 track->cluster[0].dts;
2620 info->tfrf_offset = 0;
2621 mov_write_tfrf_tags(pb, mov, track);
2626 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
2628 int64_t pos = avio_tell(pb);
2630 avio_wb32(pb, 0); /* size */
2631 ffio_wfourcc(pb, "tfdt");
2632 avio_w8(pb, 1); /* version */
2634 avio_wb64(pb, track->frag_start);
2635 return update_size(pb, pos);
2638 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2639 MOVTrack *track, int64_t moof_offset,
2642 int64_t pos = avio_tell(pb);
2643 avio_wb32(pb, 0); /* size placeholder */
2644 ffio_wfourcc(pb, "traf");
2646 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2647 if (mov->mode != MODE_ISM)
2648 mov_write_tfdt_tag(pb, track);
2649 mov_write_trun_tag(pb, mov, track, moof_size);
2650 if (mov->mode == MODE_ISM) {
2651 mov_write_tfxd_tag(pb, track);
2653 if (mov->ism_lookahead) {
2654 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2656 if (track->nb_frag_info > 0) {
2657 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
2658 if (!info->tfrf_offset)
2659 info->tfrf_offset = avio_tell(pb);
2661 avio_wb32(pb, 8 + size);
2662 ffio_wfourcc(pb, "free");
2663 for (i = 0; i < size; i++)
2668 return update_size(pb, pos);
2671 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2672 int tracks, int moof_size)
2674 int64_t pos = avio_tell(pb);
2677 avio_wb32(pb, 0); /* size placeholder */
2678 ffio_wfourcc(pb, "moof");
2679 mov->first_trun = 1;
2681 mov_write_mfhd_tag(pb, mov);
2682 for (i = 0; i < mov->nb_streams; i++) {
2683 MOVTrack *track = &mov->tracks[i];
2684 if (tracks >= 0 && i != tracks)
2688 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2691 return update_size(pb, pos);
2694 static int mov_write_sidx_tag(AVIOContext *pb,
2695 MOVTrack *track, int ref_size, int total_sidx_size)
2697 int64_t pos = avio_tell(pb), offset_pos, end_pos;
2698 int64_t presentation_time, duration, offset;
2699 int starts_with_SAP, i, entries;
2703 presentation_time = track->start_dts + track->frag_start +
2704 track->cluster[0].cts;
2705 duration = track->start_dts + track->track_duration -
2706 track->cluster[0].dts;
2707 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
2709 entries = track->nb_frag_info;
2710 presentation_time = track->frag_info[0].time;
2713 // pts<0 should be cut away using edts
2714 if (presentation_time < 0)
2715 presentation_time = 0;
2717 avio_wb32(pb, 0); /* size */
2718 ffio_wfourcc(pb, "sidx");
2719 avio_w8(pb, 1); /* version */
2721 avio_wb32(pb, track->track_id); /* reference_ID */
2722 avio_wb32(pb, track->timescale); /* timescale */
2723 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
2724 offset_pos = avio_tell(pb);
2725 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
2726 avio_wb16(pb, 0); /* reserved */
2728 avio_wb16(pb, entries); /* reference_count */
2729 for (i = 0; i < entries; i++) {
2730 if (!track->entry) {
2731 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
2732 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
2734 duration = track->frag_info[i].duration;
2735 ref_size = track->frag_info[i].size;
2736 starts_with_SAP = 1;
2738 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
2739 avio_wb32(pb, duration); /* subsegment_duration */
2740 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
2743 end_pos = avio_tell(pb);
2744 offset = pos + total_sidx_size - end_pos;
2745 avio_seek(pb, offset_pos, SEEK_SET);
2746 avio_wb64(pb, offset);
2747 avio_seek(pb, end_pos, SEEK_SET);
2748 return update_size(pb, pos);
2751 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
2752 int tracks, int ref_size)
2755 AVIOContext *avio_buf;
2757 for (round = 0; round < 2; round++) {
2758 // First run one round to calculate the total size of all
2760 // This would be much simpler if we'd only write one sidx
2761 // atom, for the first track in the moof.
2763 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2768 for (i = 0; i < mov->nb_streams; i++) {
2769 MOVTrack *track = &mov->tracks[i];
2770 if (tracks >= 0 && i != tracks)
2772 // When writing a sidx for the full file, entry is 0, but
2773 // we want to include all tracks. ref_size is 0 in this case,
2774 // since we read it from frag_info instead.
2775 if (!track->entry && ref_size > 0)
2777 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
2781 total_size = ffio_close_null_buf(avio_buf);
2786 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2789 AVIOContext *avio_buf;
2792 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2794 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2795 moof_size = ffio_close_null_buf(avio_buf);
2797 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
2798 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
2800 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
2803 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2806 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2808 int64_t pos = avio_tell(pb);
2811 avio_wb32(pb, 0); /* size placeholder */
2812 ffio_wfourcc(pb, "tfra");
2813 avio_w8(pb, 1); /* version */
2816 avio_wb32(pb, track->track_id);
2817 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2818 avio_wb32(pb, track->nb_frag_info);
2819 for (i = 0; i < track->nb_frag_info; i++) {
2820 avio_wb64(pb, track->frag_info[i].time);
2821 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
2822 avio_w8(pb, 1); /* traf number */
2823 avio_w8(pb, 1); /* trun number */
2824 avio_w8(pb, 1); /* sample number */
2827 return update_size(pb, pos);
2830 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2832 int64_t pos = avio_tell(pb);
2835 avio_wb32(pb, 0); /* size placeholder */
2836 ffio_wfourcc(pb, "mfra");
2837 /* An empty mfra atom is enough to indicate to the publishing point that
2838 * the stream has ended. */
2839 if (mov->flags & FF_MOV_FLAG_ISML)
2840 return update_size(pb, pos);
2842 for (i = 0; i < mov->nb_streams; i++) {
2843 MOVTrack *track = &mov->tracks[i];
2844 if (track->nb_frag_info)
2845 mov_write_tfra_tag(pb, track);
2849 ffio_wfourcc(pb, "mfro");
2850 avio_wb32(pb, 0); /* version + flags */
2851 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2853 return update_size(pb, pos);
2856 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2858 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2859 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2861 mov->mdat_pos = avio_tell(pb);
2862 avio_wb32(pb, 0); /* size placeholder*/
2863 ffio_wfourcc(pb, "mdat");
2867 /* TODO: This needs to be more general */
2868 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2870 MOVMuxContext *mov = s->priv_data;
2871 int64_t pos = avio_tell(pb);
2872 int has_h264 = 0, has_video = 0;
2876 for (i = 0; i < s->nb_streams; i++) {
2877 AVStream *st = s->streams[i];
2878 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2880 if (st->codec->codec_id == AV_CODEC_ID_H264)
2884 avio_wb32(pb, 0); /* size */
2885 ffio_wfourcc(pb, "ftyp");
2887 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2888 ffio_wfourcc(pb, mov->major_brand);
2889 else if (mov->mode == MODE_3GP) {
2890 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2891 minor = has_h264 ? 0x100 : 0x200;
2892 } else if (mov->mode & MODE_3G2) {
2893 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2894 minor = has_h264 ? 0x20000 : 0x10000;
2895 } else if (mov->mode == MODE_PSP)
2896 ffio_wfourcc(pb, "MSNV");
2897 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
2898 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
2899 else if (mov->mode == MODE_MP4)
2900 ffio_wfourcc(pb, "isom");
2901 else if (mov->mode == MODE_IPOD)
2902 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2903 else if (mov->mode == MODE_ISM)
2904 ffio_wfourcc(pb, "isml");
2905 else if (mov->mode == MODE_F4V)
2906 ffio_wfourcc(pb, "f4v ");
2908 ffio_wfourcc(pb, "qt ");
2910 avio_wb32(pb, minor);
2912 if (mov->mode == MODE_MOV)
2913 ffio_wfourcc(pb, "qt ");
2914 else if (mov->mode == MODE_ISM) {
2915 ffio_wfourcc(pb, "piff");
2916 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
2917 ffio_wfourcc(pb, "isom");
2918 ffio_wfourcc(pb, "iso2");
2920 ffio_wfourcc(pb, "avc1");
2923 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
2924 // brand. This is compatible with users that don't understand tfdt.
2925 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
2926 ffio_wfourcc(pb, "iso6");
2928 if (mov->mode == MODE_3GP)
2929 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2930 else if (mov->mode & MODE_3G2)
2931 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2932 else if (mov->mode == MODE_PSP)
2933 ffio_wfourcc(pb, "MSNV");
2934 else if (mov->mode == MODE_MP4)
2935 ffio_wfourcc(pb, "mp41");
2937 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
2938 ffio_wfourcc(pb, "dash");
2940 return update_size(pb, pos);
2943 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2945 AVStream *video_st = s->streams[0];
2946 AVCodecContext *video_codec = s->streams[0]->codec;
2947 AVCodecContext *audio_codec = s->streams[1]->codec;
2948 int audio_rate = audio_codec->sample_rate;
2949 // TODO: should be avg_frame_rate
2950 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
2951 int audio_kbitrate = audio_codec->bit_rate / 1000;
2952 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2954 avio_wb32(pb, 0x94); /* size */
2955 ffio_wfourcc(pb, "uuid");
2956 ffio_wfourcc(pb, "PROF");
2958 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2959 avio_wb32(pb, 0xbb88695c);
2960 avio_wb32(pb, 0xfac9c740);
2962 avio_wb32(pb, 0x0); /* ? */
2963 avio_wb32(pb, 0x3); /* 3 sections ? */
2965 avio_wb32(pb, 0x14); /* size */
2966 ffio_wfourcc(pb, "FPRF");
2967 avio_wb32(pb, 0x0); /* ? */
2968 avio_wb32(pb, 0x0); /* ? */
2969 avio_wb32(pb, 0x0); /* ? */
2971 avio_wb32(pb, 0x2c); /* size */
2972 ffio_wfourcc(pb, "APRF"); /* audio */
2974 avio_wb32(pb, 0x2); /* TrackID */
2975 ffio_wfourcc(pb, "mp4a");
2976 avio_wb32(pb, 0x20f);
2978 avio_wb32(pb, audio_kbitrate);
2979 avio_wb32(pb, audio_kbitrate);
2980 avio_wb32(pb, audio_rate);
2981 avio_wb32(pb, audio_codec->channels);
2983 avio_wb32(pb, 0x34); /* size */
2984 ffio_wfourcc(pb, "VPRF"); /* video */
2986 avio_wb32(pb, 0x1); /* TrackID */
2987 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2988 ffio_wfourcc(pb, "avc1");
2989 avio_wb16(pb, 0x014D);
2990 avio_wb16(pb, 0x0015);
2992 ffio_wfourcc(pb, "mp4v");
2993 avio_wb16(pb, 0x0000);
2994 avio_wb16(pb, 0x0103);
2997 avio_wb32(pb, video_kbitrate);
2998 avio_wb32(pb, video_kbitrate);
2999 avio_wb32(pb, frame_rate);
3000 avio_wb32(pb, frame_rate);
3001 avio_wb16(pb, video_codec->width);
3002 avio_wb16(pb, video_codec->height);
3003 avio_wb32(pb, 0x010001); /* ? */
3006 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3008 MOVMuxContext *mov = s->priv_data;
3009 mov_write_ftyp_tag(pb,s);
3010 if (mov->mode == MODE_PSP) {
3011 if (s->nb_streams != 2) {
3012 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3013 return AVERROR(EINVAL);
3015 mov_write_uuidprof_tag(pb, s);
3020 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3023 int i, closed_gop = 0;
3025 for (i = 0; i < pkt->size - 4; i++) {
3026 c = (c << 8) + pkt->data[i];
3027 if (c == 0x1b8) { // gop
3028 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3029 } else if (c == 0x100) { // pic
3030 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3031 if (!temp_ref || closed_gop) // I picture is not reordered
3032 *flags = MOV_SYNC_SAMPLE;
3034 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3041 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3043 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3044 int seq = 0, entry = 0;
3045 int key = pkt->flags & AV_PKT_FLAG_KEY;
3046 start = find_next_marker(pkt->data, end);
3047 for (next = start; next < end; start = next) {
3048 next = find_next_marker(start + 4, end);
3049 switch (AV_RB32(start)) {
3050 case VC1_CODE_SEQHDR:
3053 case VC1_CODE_ENTRYPOINT:
3056 case VC1_CODE_SLICE:
3057 trk->vc1_info.slices = 1;
3061 if (!trk->entry && !fragment) {
3062 /* First packet in first fragment */
3063 trk->vc1_info.first_packet_seq = seq;
3064 trk->vc1_info.first_packet_entry = entry;
3065 } else if ((seq && !trk->vc1_info.packet_seq) ||
3066 (entry && !trk->vc1_info.packet_entry)) {
3068 for (i = 0; i < trk->entry; i++)
3069 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3070 trk->has_keyframes = 0;
3072 trk->vc1_info.packet_seq = 1;
3074 trk->vc1_info.packet_entry = 1;
3076 /* First fragment */
3077 if ((!seq || trk->vc1_info.first_packet_seq) &&
3078 (!entry || trk->vc1_info.first_packet_entry)) {
3079 /* First packet had the same headers as this one, readd the
3080 * sync sample flag. */
3081 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3082 trk->has_keyframes = 1;
3086 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3088 else if (trk->vc1_info.packet_seq)
3090 else if (trk->vc1_info.packet_entry)
3093 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3094 trk->has_keyframes++;
3098 static int mov_flush_fragment(AVFormatContext *s)
3100 MOVMuxContext *mov = s->priv_data;
3101 int i, first_track = -1;
3102 int64_t mdat_size = 0;
3104 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3107 if (mov->fragments == 0) {
3108 int64_t pos = avio_tell(s->pb);
3110 AVIOContext *moov_buf;
3114 for (i = 0; i < mov->nb_streams; i++)
3115 if (!mov->tracks[i].entry)
3117 /* Don't write the initial moov unless all tracks have data */
3118 if (i < mov->nb_streams)
3121 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3123 mov_write_moov_tag(moov_buf, mov, s);
3124 buf_size = ffio_close_null_buf(moov_buf);
3125 for (i = 0; i < mov->nb_streams; i++)
3126 mov->tracks[i].data_offset = pos + buf_size + 8;
3128 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3129 mov_write_identification(s->pb, s);
3130 mov_write_moov_tag(s->pb, mov, s);
3132 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
3133 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3134 mov->reserved_moov_pos = avio_tell(s->pb);
3140 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3141 mov->mdat_buf = NULL;
3142 avio_wb32(s->pb, buf_size + 8);
3143 ffio_wfourcc(s->pb, "mdat");
3144 avio_write(s->pb, buf, buf_size);
3149 for (i = 0; i < mov->nb_streams; i++) {
3150 if (mov->tracks[i].entry)
3151 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3152 mov->tracks[i].track_duration -
3153 mov->tracks[i].cluster[0].dts;
3154 mov->tracks[i].entry = 0;
3160 for (i = 0; i < mov->nb_streams; i++) {
3161 MOVTrack *track = &mov->tracks[i];
3162 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3163 track->data_offset = 0;
3165 track->data_offset = mdat_size;
3166 if (!track->mdat_buf)
3168 mdat_size += avio_tell(track->mdat_buf);
3169 if (first_track < 0)
3176 for (i = 0; i < mov->nb_streams; i++) {
3177 MOVTrack *track = &mov->tracks[i];
3178 int buf_size, write_moof = 1, moof_tracks = -1;
3180 int64_t duration = 0;
3183 duration = track->start_dts + track->track_duration -
3184 track->cluster[0].dts;
3185 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3186 if (!track->mdat_buf)
3188 mdat_size = avio_tell(track->mdat_buf);
3191 write_moof = i == first_track;
3197 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
3200 avio_wb32(s->pb, mdat_size + 8);
3201 ffio_wfourcc(s->pb, "mdat");
3205 track->frag_start += duration;
3207 if (!track->mdat_buf)
3209 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3210 track->mdat_buf = NULL;
3212 avio_write(s->pb, buf, buf_size);
3222 static int mov_auto_flush_fragment(AVFormatContext *s)
3224 MOVMuxContext *mov = s->priv_data;
3225 int ret = mov_flush_fragment(s);
3228 // If using delay_moov, the first flush only wrote the moov,
3229 // not the actual moof+mdat pair, thus flush once again.
3230 if (mov->fragments == 1 && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3231 ret = mov_flush_fragment(s);
3235 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3237 MOVMuxContext *mov = s->priv_data;
3238 AVIOContext *pb = s->pb;
3239 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3240 AVCodecContext *enc = trk->enc;
3241 unsigned int samples_in_chunk = 0;
3242 int size = pkt->size, ret = 0;
3243 uint8_t *reformatted_data = NULL;
3245 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3247 if (mov->fragments > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3248 if (!trk->mdat_buf) {
3249 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3254 if (!mov->mdat_buf) {
3255 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3262 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3263 /* We must find out how many AMR blocks there are in one packet */
3264 static uint16_t packed_size[16] =
3265 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3268 while (len < size && samples_in_chunk < 100) {
3269 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3272 if (samples_in_chunk > 1) {
3273 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3276 } else if (trk->sample_size)
3277 samples_in_chunk = size / trk->sample_size;
3279 samples_in_chunk = 1;
3281 /* copy extradata if it exists */
3282 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3283 trk->vos_len = enc->extradata_size;
3284 trk->vos_data = av_malloc(trk->vos_len);
3285 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3288 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3289 /* from x264 or from bytestream h264 */
3290 /* nal reformating needed */
3291 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3292 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3294 avio_write(pb, reformatted_data, size);
3296 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3298 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3299 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3300 /* extradata is Annex B, assume the bitstream is too and convert it */
3301 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3302 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3303 avio_write(pb, reformatted_data, size);
3305 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3308 avio_write(pb, pkt->data, size);
3311 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3312 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3313 /* copy frame to create needed atoms */
3314 trk->vos_len = size;
3315 trk->vos_data = av_malloc(size);
3316 if (!trk->vos_data) {
3317 ret = AVERROR(ENOMEM);
3320 memcpy(trk->vos_data, pkt->data, size);
3323 if (trk->entry >= trk->cluster_capacity) {
3324 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3325 if (av_reallocp_array(&trk->cluster, new_capacity,
3326 sizeof(*trk->cluster))) {
3327 ret = AVERROR(ENOMEM);
3330 trk->cluster_capacity = new_capacity;
3333 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3334 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3335 trk->cluster[trk->entry].size = size;
3336 trk->cluster[trk->entry].entries = samples_in_chunk;
3337 trk->cluster[trk->entry].dts = pkt->dts;
3338 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3339 if (!trk->frag_discont) {
3340 /* First packet of a new fragment. We already wrote the duration
3341 * of the last packet of the previous fragment based on track_duration,
3342 * which might not exactly match our dts. Therefore adjust the dts
3343 * of this packet to be what the previous packets duration implies. */
3344 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3345 /* We also may have written the pts and the corresponding duration
3346 * in sidx tags; make sure the sidx pts and duration match up with
3347 * the next fragment. This means the cts of the first sample must
3348 * be the same in all fragments. */
3349 pkt->pts = pkt->dts + trk->start_cts;
3351 /* New fragment, but discontinuous from previous fragments.
3352 * Pretend the duration sum of the earlier fragments is
3353 * pkt->dts - trk->start_dts. */
3354 trk->frag_start = pkt->dts - trk->start_dts;
3355 trk->frag_discont = 0;
3358 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
3359 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
3360 /* Not using edit lists and shifting the first track to start from zero.
3361 * If the other streams start from a later timestamp, we won't be able
3362 * to signal the difference in starting time without an edit list.
3363 * Thus move the timestamp for this first sample to 0, increasing
3364 * its duration instead. */
3365 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3367 if (trk->start_dts == AV_NOPTS_VALUE) {
3368 trk->start_dts = pkt->dts;
3369 if (trk->frag_discont) {
3370 /* Pretend the whole stream started at dts=0, with earlier fragments
3371 * already written, with a duration summing up to pkt->dts. */
3372 trk->frag_start = pkt->dts;
3374 trk->frag_discont = 0;
3375 } else if (pkt->dts && mov->fragments >= 1)
3376 av_log(s, AV_LOG_WARNING,
3377 "Track %d starts with a nonzero dts %"PRId64", while the moov "
3378 "already has been written. Set the delay_moov flag to handle "
3380 pkt->stream_index, pkt->dts);
3382 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3384 if (pkt->pts == AV_NOPTS_VALUE) {
3385 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3386 pkt->pts = pkt->dts;
3388 if (pkt->dts != pkt->pts)
3389 trk->flags |= MOV_TRACK_CTTS;
3390 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3391 trk->cluster[trk->entry].flags = 0;
3392 if (trk->start_cts == AV_NOPTS_VALUE)
3393 trk->start_cts = pkt->pts - pkt->dts;
3395 if (enc->codec_id == AV_CODEC_ID_VC1) {
3396 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3397 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3398 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3399 trk->entry > 0) { // force sync sample for the first key frame
3400 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3401 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3402 trk->flags |= MOV_TRACK_STPS;
3404 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3406 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3407 trk->has_keyframes++;
3410 trk->sample_count += samples_in_chunk;
3411 mov->mdat_size += size;
3413 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3414 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3415 reformatted_data, size);
3418 av_free(reformatted_data);
3422 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3425 mov_flush_fragment(s);
3428 MOVMuxContext *mov = s->priv_data;
3429 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3430 AVCodecContext *enc = trk->enc;
3431 int64_t frag_duration = 0;
3432 int size = pkt->size;
3435 return 0; /* Discard 0 sized packets */
3437 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
3439 for (i = 0; i < s->nb_streams; i++)
3440 mov->tracks[i].frag_discont = 1;
3441 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
3445 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3446 s->streams[pkt->stream_index]->time_base,
3448 if ((mov->max_fragment_duration &&
3449 frag_duration >= mov->max_fragment_duration) ||
3450 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3451 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3452 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3453 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3454 if (frag_duration >= mov->min_fragment_duration)
3455 mov_auto_flush_fragment(s);
3458 return ff_mov_write_packet(s, pkt);
3462 // QuickTime chapters involve an additional text track with the chapter names
3463 // as samples, and a tref pointing from the other tracks to the chapter one.
3464 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3466 MOVMuxContext *mov = s->priv_data;
3467 MOVTrack *track = &mov->tracks[tracknum];
3468 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3470 // These properties are required to make QT recognize the chapter track
3471 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3473 track->mode = mov->mode;
3474 track->tag = MKTAG('t','e','x','t');
3475 track->timescale = MOV_TIMESCALE;
3476 track->enc = avcodec_alloc_context3(NULL);
3478 return AVERROR(ENOMEM);
3479 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3480 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3481 if (!track->enc->extradata)
3482 return AVERROR(ENOMEM);
3483 track->enc->extradata_size = sizeof(chapter_properties);
3484 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3486 for (i = 0; i < s->nb_chapters; i++) {
3487 AVChapter *c = s->chapters[i];
3488 AVDictionaryEntry *t;
3490 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3491 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3492 pkt.duration = end - pkt.dts;
3494 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3495 const char encd[12] = {
3496 0x00, 0x00, 0x00, 0x0C,
3498 0x00, 0x00, 0x01, 0x00 };
3499 len = strlen(t->value);
3500 pkt.size = len + 2 + 12;
3501 pkt.data = av_malloc(pkt.size);
3503 return AVERROR(ENOMEM);
3504 AV_WB16(pkt.data, len);
3505 memcpy(pkt.data + 2, t->value, len);
3506 memcpy(pkt.data + len + 2, encd, sizeof(encd));
3507 ff_mov_write_packet(s, &pkt);
3508 av_freep(&pkt.data);
3516 * st->disposition controls the "enabled" flag in the tkhd tag.
3517 * QuickTime will not play a track if it is not enabled. So make sure
3518 * that one track of each type (audio, video, subtitle) is enabled.
3520 * Subtitles are special. For audio and video, setting "enabled" also
3521 * makes the track "default" (i.e. it is rendered when played). For
3522 * subtitles, an "enabled" subtitle is not rendered by default, but
3523 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3526 static void enable_tracks(AVFormatContext *s)
3528 MOVMuxContext *mov = s->priv_data;
3530 int enabled[AVMEDIA_TYPE_NB];
3531 int first[AVMEDIA_TYPE_NB];
3533 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3538 for (i = 0; i < s->nb_streams; i++) {
3539 AVStream *st = s->streams[i];
3541 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3542 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3545 if (first[st->codec->codec_type] < 0)
3546 first[st->codec->codec_type] = i;
3547 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3548 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3549 enabled[st->codec->codec_type]++;
3553 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3555 case AVMEDIA_TYPE_VIDEO:
3556 case AVMEDIA_TYPE_AUDIO:
3557 case AVMEDIA_TYPE_SUBTITLE:
3559 mov->per_stream_grouping = 1;
3560 if (!enabled[i] && first[i] >= 0)
3561 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3567 static void mov_free(AVFormatContext *s)
3569 MOVMuxContext *mov = s->priv_data;
3572 if (mov->chapter_track) {
3573 if (mov->tracks[mov->chapter_track].enc)
3574 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3575 av_freep(&mov->tracks[mov->chapter_track].enc);
3578 for (i = 0; i < mov->nb_streams; i++) {
3579 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3580 ff_mov_close_hinting(&mov->tracks[i]);
3581 av_freep(&mov->tracks[i].cluster);
3582 av_freep(&mov->tracks[i].frag_info);
3584 if (mov->tracks[i].vos_len)
3585 av_free(mov->tracks[i].vos_data);
3588 av_freep(&mov->tracks);
3591 static uint32_t rgb_to_yuv(uint32_t rgb)
3596 r = (rgb >> 16) & 0xFF;
3597 g = (rgb >> 8) & 0xFF;
3600 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
3601 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
3602 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
3604 return (y << 16) | (cr << 8) | cb;
3607 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
3610 int i, width = 720, height = 480;
3611 int have_palette = 0, have_size = 0;
3612 uint32_t palette[16];
3613 char *cur = st->codec->extradata;
3615 while (cur && *cur) {
3616 if (strncmp("palette:", cur, 8) == 0) {
3618 count = sscanf(cur + 8,
3619 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3620 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3621 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3622 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
3623 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
3624 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
3625 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
3626 &palette[12], &palette[13], &palette[14], &palette[15]);
3628 for (i = 0; i < count; i++) {
3629 palette[i] = rgb_to_yuv(palette[i]);
3632 } else if (!strncmp("size:", cur, 5)) {
3633 sscanf(cur + 5, "%dx%d", &width, &height);
3636 if (have_palette && have_size)
3638 cur += strcspn(cur, "\n\r");
3639 cur += strspn(cur, "\n\r");
3642 track->vos_data = av_malloc(16*4);
3643 if (!track->vos_data)
3644 return AVERROR(ENOMEM);
3645 for (i = 0; i < 16; i++) {
3646 AV_WB32(track->vos_data + i * 4, palette[i]);
3648 track->vos_len = 16 * 4;
3650 st->codec->width = width;
3651 st->codec->height = track->height = height;
3656 static int mov_write_header(AVFormatContext *s)
3658 AVIOContext *pb = s->pb;
3659 MOVMuxContext *mov = s->priv_data;
3660 AVDictionaryEntry *t;
3661 int i, ret, hint_track = 0;
3665 /* Default mode == MP4 */
3666 mov->mode = MODE_MP4;
3669 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3670 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3671 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3672 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3673 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3674 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3675 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3678 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3679 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
3681 /* Set the FRAGMENT flag if any of the fragmentation methods are
3683 if (mov->max_fragment_duration || mov->max_fragment_size ||
3684 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3685 FF_MOV_FLAG_FRAG_KEYFRAME |
3686 FF_MOV_FLAG_FRAG_CUSTOM))
3687 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3689 /* Set other implicit flags immediately */
3690 if (mov->mode == MODE_ISM)
3691 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3692 FF_MOV_FLAG_FRAGMENT;
3693 if (mov->flags & FF_MOV_FLAG_DASH)
3694 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
3695 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
3697 if (mov->use_editlist < 0) {
3698 mov->use_editlist = 1;
3699 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3700 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
3701 // If we can avoid needing an edit list by shifting the
3702 // tracks, prefer that over (trying to) write edit lists
3703 // in fragmented output.
3704 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
3705 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
3706 mov->use_editlist = 0;
3709 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
3710 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
3711 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
3713 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
3714 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
3716 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3717 * is enabled, we don't support non-seekable output at all. */
3718 if (!s->pb->seekable &&
3719 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3720 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3721 return AVERROR(EINVAL);
3725 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
3726 if ((ret = mov_write_identification(pb, s)) < 0)
3730 mov->nb_streams = s->nb_streams;
3731 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3732 mov->chapter_track = mov->nb_streams++;
3734 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3735 /* Add hint tracks for each audio and video stream */
3736 hint_track = mov->nb_streams;
3737 for (i = 0; i < s->nb_streams; i++) {
3738 AVStream *st = s->streams[i];
3739 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3740 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3746 // Reserve an extra stream for chapters for the case where chapters
3747 // are written in the trailer
3748 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3750 return AVERROR(ENOMEM);
3752 for (i = 0; i < s->nb_streams; i++) {
3753 AVStream *st= s->streams[i];
3754 MOVTrack *track= &mov->tracks[i];
3755 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3758 track->enc = st->codec;
3759 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3760 if (track->language < 0)
3761 track->language = 0;
3762 track->mode = mov->mode;
3763 track->tag = mov_find_codec_tag(s, track);
3765 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3766 "codec not currently supported in container\n", i);
3769 /* If hinting of this track is enabled by a later hint track,
3770 * this is updated. */
3771 track->hint_track = -1;
3772 track->start_dts = AV_NOPTS_VALUE;
3773 track->start_cts = AV_NOPTS_VALUE;
3774 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3775 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3776 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3777 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3778 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3779 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3782 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3784 track->timescale = st->time_base.den;
3785 if (track->mode == MODE_MOV && track->timescale > 100000)
3786 av_log(s, AV_LOG_WARNING,
3787 "WARNING codec timebase is very high. If duration is too long,\n"
3788 "file may not be playable by quicktime. Specify a shorter timebase\n"
3789 "or choose different container.\n");
3790 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3791 track->timescale = st->codec->sample_rate;
3792 /* set sample_size for PCM and ADPCM */
3793 if (av_get_bits_per_sample(st->codec->codec_id) ||
3794 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3795 if (!st->codec->block_align) {
3796 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3799 track->sample_size = st->codec->block_align;
3801 /* set audio_vbr for compressed audio */
3802 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3803 track->audio_vbr = 1;
3805 if (track->mode != MODE_MOV &&
3806 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3807 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3808 i, track->enc->sample_rate);
3811 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3812 track->timescale = st->time_base.den;
3813 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3814 track->timescale = st->time_base.den;
3817 track->height = st->codec->height;
3818 /* The ism specific timescale isn't mandatory, but is assumed by
3819 * some tools, such as mp4split. */
3820 if (mov->mode == MODE_ISM)
3821 track->timescale = 10000000;
3823 avpriv_set_pts_info(st, 64, 1, track->timescale);
3825 /* copy extradata if it exists */
3826 if (st->codec->extradata_size) {
3827 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
3828 mov_create_dvd_sub_decoder_specific_info(track, st);
3830 track->vos_len = st->codec->extradata_size;
3831 track->vos_data = av_malloc(track->vos_len);
3832 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3839 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3840 /* If no fragmentation options have been set, set a default. */
3841 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3842 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3843 !mov->max_fragment_duration && !mov->max_fragment_size)
3844 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3846 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3847 mov->reserved_moov_pos = avio_tell(pb);
3848 mov_write_mdat_tag(pb, mov);
3851 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3852 mov->time = ff_iso8601_to_unix_time(t->value);
3854 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3856 if (mov->chapter_track)
3857 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3860 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3861 /* Initialize the hint tracks for each audio and video stream */
3862 for (i = 0; i < s->nb_streams; i++) {
3863 AVStream *st = s->streams[i];
3864 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3865 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3866 ff_mov_init_hinting(s, hint_track, i);
3874 if (mov->flags & FF_MOV_FLAG_ISML)
3875 mov_write_isml_manifest(pb, mov);
3877 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
3878 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
3879 mov_write_moov_tag(pb, mov, s);
3881 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3882 mov->reserved_moov_pos = avio_tell(pb);
3891 static int get_moov_size(AVFormatContext *s)
3894 AVIOContext *moov_buf;
3895 MOVMuxContext *mov = s->priv_data;
3897 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3899 mov_write_moov_tag(moov_buf, mov, s);
3900 return ffio_close_null_buf(moov_buf);
3903 static int get_sidx_size(AVFormatContext *s)
3907 MOVMuxContext *mov = s->priv_data;
3909 if ((ret = ffio_open_null_buf(&buf)) < 0)
3911 mov_write_sidx_tags(buf, mov, -1, 0);
3912 return ffio_close_null_buf(buf);
3916 * This function gets the moov size if moved to the top of the file: the chunk
3917 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3918 * entries) when the moov is moved to the beginning, so the size of the moov
3919 * would change. It also updates the chunk offset tables.
3921 static int compute_moov_size(AVFormatContext *s)
3923 int i, moov_size, moov_size2;
3924 MOVMuxContext *mov = s->priv_data;
3926 moov_size = get_moov_size(s);
3930 for (i = 0; i < mov->nb_streams; i++)
3931 mov->tracks[i].data_offset += moov_size;
3933 moov_size2 = get_moov_size(s);
3937 /* if the size changed, we just switched from stco to co64 and need to
3938 * update the offsets */
3939 if (moov_size2 != moov_size)
3940 for (i = 0; i < mov->nb_streams; i++)
3941 mov->tracks[i].data_offset += moov_size2 - moov_size;
3946 static int compute_sidx_size(AVFormatContext *s)
3949 MOVMuxContext *mov = s->priv_data;
3951 sidx_size = get_sidx_size(s);
3955 for (i = 0; i < mov->nb_streams; i++)
3956 mov->tracks[i].data_offset += sidx_size;
3961 static int shift_data(AVFormatContext *s)
3963 int ret = 0, moov_size;
3964 MOVMuxContext *mov = s->priv_data;
3965 int64_t pos, pos_end = avio_tell(s->pb);
3966 uint8_t *buf, *read_buf[2];
3967 int read_buf_id = 0;
3969 AVIOContext *read_pb;
3971 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3972 moov_size = compute_sidx_size(s);
3974 moov_size = compute_moov_size(s);
3978 buf = av_malloc(moov_size * 2);
3980 return AVERROR(ENOMEM);
3982 read_buf[1] = buf + moov_size;
3984 /* Shift the data: the AVIO context of the output can only be used for
3985 * writing, so we re-open the same output, but for reading. It also avoids
3986 * a read/seek/write/seek back and forth. */
3988 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3990 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3991 "the second pass (faststart)\n", s->filename);
3995 /* mark the end of the shift to up to the last data we wrote, and get ready
3997 pos_end = avio_tell(s->pb);
3998 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4000 /* start reading at where the new moov will be placed */
4001 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4002 pos = avio_tell(read_pb);
4004 #define READ_BLOCK do { \
4005 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4009 /* shift data by chunk of at most moov_size */
4014 n = read_size[read_buf_id];
4017 avio_write(s->pb, read_buf[read_buf_id], n);
4019 } while (pos < pos_end);
4020 avio_close(read_pb);
4027 static int mov_write_trailer(AVFormatContext *s)
4029 MOVMuxContext *mov = s->priv_data;
4030 AVIOContext *pb = s->pb;
4035 // If there were no chapters when the header was written, but there
4036 // are chapters now, write them in the trailer. This only works
4037 // when we are not doing fragments.
4038 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4039 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4040 mov->chapter_track = mov->nb_streams++;
4041 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4046 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4047 moov_pos = avio_tell(pb);
4049 /* Write size of mdat tag */
4050 if (mov->mdat_size + 8 <= UINT32_MAX) {
4051 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4052 avio_wb32(pb, mov->mdat_size + 8);
4054 /* overwrite 'wide' placeholder atom */
4055 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4056 /* special value: real atom size will be 64 bit value after
4059 ffio_wfourcc(pb, "mdat");
4060 avio_wb64(pb, mov->mdat_size + 16);
4062 avio_seek(pb, moov_pos, SEEK_SET);
4064 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4065 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4066 res = shift_data(s);
4068 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
4069 mov_write_moov_tag(pb, mov, s);
4072 mov_write_moov_tag(pb, mov, s);
4075 mov_auto_flush_fragment(s);
4076 for (i = 0; i < mov->nb_streams; i++)
4077 mov->tracks[i].data_offset = 0;
4078 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4079 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
4080 res = shift_data(s);
4082 int64_t end = avio_tell(pb);
4083 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
4084 mov_write_sidx_tags(pb, mov, -1, 0);
4085 avio_seek(pb, end, SEEK_SET);
4086 mov_write_mfra_tag(pb, mov);
4089 mov_write_mfra_tag(pb, mov);
4099 #if CONFIG_MOV_MUXER
4101 AVOutputFormat ff_mov_muxer = {
4103 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4104 .extensions = "mov",
4105 .priv_data_size = sizeof(MOVMuxContext),
4106 .audio_codec = AV_CODEC_ID_AAC,
4107 .video_codec = CONFIG_LIBX264_ENCODER ?
4108 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4109 .write_header = mov_write_header,
4110 .write_packet = mov_write_packet,
4111 .write_trailer = mov_write_trailer,
4112 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4113 .codec_tag = (const AVCodecTag* const []){
4114 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4116 .priv_class = &mov_muxer_class,
4119 #if CONFIG_TGP_MUXER
4121 AVOutputFormat ff_tgp_muxer = {
4123 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4124 .extensions = "3gp",
4125 .priv_data_size = sizeof(MOVMuxContext),
4126 .audio_codec = AV_CODEC_ID_AMR_NB,
4127 .video_codec = AV_CODEC_ID_H263,
4128 .write_header = mov_write_header,
4129 .write_packet = mov_write_packet,
4130 .write_trailer = mov_write_trailer,
4131 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4132 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4133 .priv_class = &tgp_muxer_class,
4136 #if CONFIG_MP4_MUXER
4138 AVOutputFormat ff_mp4_muxer = {
4140 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4141 .mime_type = "application/mp4",
4142 .extensions = "mp4",
4143 .priv_data_size = sizeof(MOVMuxContext),
4144 .audio_codec = AV_CODEC_ID_AAC,
4145 .video_codec = CONFIG_LIBX264_ENCODER ?
4146 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4147 .write_header = mov_write_header,
4148 .write_packet = mov_write_packet,
4149 .write_trailer = mov_write_trailer,
4150 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4151 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4152 .priv_class = &mp4_muxer_class,
4155 #if CONFIG_PSP_MUXER
4157 AVOutputFormat ff_psp_muxer = {
4159 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4160 .extensions = "mp4,psp",
4161 .priv_data_size = sizeof(MOVMuxContext),
4162 .audio_codec = AV_CODEC_ID_AAC,
4163 .video_codec = CONFIG_LIBX264_ENCODER ?
4164 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4165 .write_header = mov_write_header,
4166 .write_packet = mov_write_packet,
4167 .write_trailer = mov_write_trailer,
4168 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4169 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4170 .priv_class = &psp_muxer_class,
4173 #if CONFIG_TG2_MUXER
4175 AVOutputFormat ff_tg2_muxer = {
4177 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4178 .extensions = "3g2",
4179 .priv_data_size = sizeof(MOVMuxContext),
4180 .audio_codec = AV_CODEC_ID_AMR_NB,
4181 .video_codec = AV_CODEC_ID_H263,
4182 .write_header = mov_write_header,
4183 .write_packet = mov_write_packet,
4184 .write_trailer = mov_write_trailer,
4185 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4186 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4187 .priv_class = &tg2_muxer_class,
4190 #if CONFIG_IPOD_MUXER
4192 AVOutputFormat ff_ipod_muxer = {
4194 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4195 .mime_type = "application/mp4",
4196 .extensions = "m4v,m4a",
4197 .priv_data_size = sizeof(MOVMuxContext),
4198 .audio_codec = AV_CODEC_ID_AAC,
4199 .video_codec = AV_CODEC_ID_H264,
4200 .write_header = mov_write_header,
4201 .write_packet = mov_write_packet,
4202 .write_trailer = mov_write_trailer,
4203 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4204 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4205 .priv_class = &ipod_muxer_class,
4208 #if CONFIG_ISMV_MUXER
4210 AVOutputFormat ff_ismv_muxer = {
4212 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4213 .mime_type = "application/mp4",
4214 .extensions = "ismv,isma",
4215 .priv_data_size = sizeof(MOVMuxContext),
4216 .audio_codec = AV_CODEC_ID_AAC,
4217 .video_codec = AV_CODEC_ID_H264,
4218 .write_header = mov_write_header,
4219 .write_packet = mov_write_packet,
4220 .write_trailer = mov_write_trailer,
4221 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4222 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4223 .priv_class = &ismv_muxer_class,
4226 #if CONFIG_F4V_MUXER
4228 AVOutputFormat ff_f4v_muxer = {
4230 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4231 .mime_type = "application/f4v",
4232 .extensions = "f4v",
4233 .priv_data_size = sizeof(MOVMuxContext),
4234 .audio_codec = AV_CODEC_ID_AAC,
4235 .video_codec = AV_CODEC_ID_H264,
4236 .write_header = mov_write_header,
4237 .write_packet = mov_write_packet,
4238 .write_trailer = mov_write_trailer,
4239 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4240 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4241 .priv_class = &f4v_muxer_class,