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 = 1}, 1, 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 */
1171 return AVERROR(ENOMEM);
1172 ctts_entries[0].count = 1;
1173 ctts_entries[0].duration = track->cluster[0].cts;
1174 for (i = 1; i < track->entry; i++) {
1175 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1176 ctts_entries[entries].count++; /* compress */
1179 ctts_entries[entries].duration = track->cluster[i].cts;
1180 ctts_entries[entries].count = 1;
1183 entries++; /* last one */
1184 atom_size = 16 + (entries * 8);
1185 avio_wb32(pb, atom_size); /* size */
1186 ffio_wfourcc(pb, "ctts");
1187 avio_wb32(pb, 0); /* version & flags */
1188 avio_wb32(pb, entries); /* entry count */
1189 for (i = 0; i < entries; i++) {
1190 avio_wb32(pb, ctts_entries[i].count);
1191 avio_wb32(pb, ctts_entries[i].duration);
1193 av_free(ctts_entries);
1197 /* Time to sample atom */
1198 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1200 MOVStts *stts_entries = NULL;
1201 uint32_t entries = -1;
1205 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1206 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1208 return AVERROR(ENOMEM);
1209 stts_entries[0].count = track->sample_count;
1210 stts_entries[0].duration = 1;
1214 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
1216 return AVERROR(ENOMEM);
1218 for (i = 0; i < track->entry; i++) {
1219 int duration = get_cluster_duration(track, i);
1220 if (i && duration == stts_entries[entries].duration) {
1221 stts_entries[entries].count++; /* compress */
1224 stts_entries[entries].duration = duration;
1225 stts_entries[entries].count = 1;
1228 entries++; /* last one */
1230 atom_size = 16 + (entries * 8);
1231 avio_wb32(pb, atom_size); /* size */
1232 ffio_wfourcc(pb, "stts");
1233 avio_wb32(pb, 0); /* version & flags */
1234 avio_wb32(pb, entries); /* entry count */
1235 for (i = 0; i < entries; i++) {
1236 avio_wb32(pb, stts_entries[i].count);
1237 avio_wb32(pb, stts_entries[i].duration);
1239 av_free(stts_entries);
1243 static int mov_write_dref_tag(AVIOContext *pb)
1245 avio_wb32(pb, 28); /* size */
1246 ffio_wfourcc(pb, "dref");
1247 avio_wb32(pb, 0); /* version & flags */
1248 avio_wb32(pb, 1); /* entry count */
1250 avio_wb32(pb, 0xc); /* size */
1251 ffio_wfourcc(pb, "url ");
1252 avio_wb32(pb, 1); /* version & flags */
1257 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1259 int64_t pos = avio_tell(pb);
1260 avio_wb32(pb, 0); /* size */
1261 ffio_wfourcc(pb, "stbl");
1262 mov_write_stsd_tag(pb, track);
1263 mov_write_stts_tag(pb, track);
1264 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1265 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1266 track->has_keyframes && track->has_keyframes < track->entry)
1267 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1268 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1269 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1270 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1271 track->flags & MOV_TRACK_CTTS && track->entry)
1272 mov_write_ctts_tag(pb, track);
1273 mov_write_stsc_tag(pb, track);
1274 mov_write_stsz_tag(pb, track);
1275 mov_write_stco_tag(pb, track);
1276 return update_size(pb, pos);
1279 static int mov_write_dinf_tag(AVIOContext *pb)
1281 int64_t pos = avio_tell(pb);
1282 avio_wb32(pb, 0); /* size */
1283 ffio_wfourcc(pb, "dinf");
1284 mov_write_dref_tag(pb);
1285 return update_size(pb, pos);
1288 static int mov_write_nmhd_tag(AVIOContext *pb)
1291 ffio_wfourcc(pb, "nmhd");
1296 static int mov_write_gmhd_tag(AVIOContext *pb)
1298 avio_wb32(pb, 0x20); /* size */
1299 ffio_wfourcc(pb, "gmhd");
1300 avio_wb32(pb, 0x18); /* gmin size */
1301 ffio_wfourcc(pb, "gmin");/* generic media info */
1302 avio_wb32(pb, 0); /* version & flags */
1303 avio_wb16(pb, 0x40); /* graphics mode = */
1304 avio_wb16(pb, 0x8000); /* opColor (r?) */
1305 avio_wb16(pb, 0x8000); /* opColor (g?) */
1306 avio_wb16(pb, 0x8000); /* opColor (b?) */
1307 avio_wb16(pb, 0); /* balance */
1308 avio_wb16(pb, 0); /* reserved */
1312 static int mov_write_smhd_tag(AVIOContext *pb)
1314 avio_wb32(pb, 16); /* size */
1315 ffio_wfourcc(pb, "smhd");
1316 avio_wb32(pb, 0); /* version & flags */
1317 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1318 avio_wb16(pb, 0); /* reserved */
1322 static int mov_write_vmhd_tag(AVIOContext *pb)
1324 avio_wb32(pb, 0x14); /* size (always 0x14) */
1325 ffio_wfourcc(pb, "vmhd");
1326 avio_wb32(pb, 0x01); /* version & flags */
1327 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1331 static int is_clcp_track(MOVTrack *track)
1333 return track->tag == MKTAG('c','7','0','8') ||
1334 track->tag == MKTAG('c','6','0','8');
1337 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1339 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1340 int64_t pos = avio_tell(pb);
1344 descr = "DataHandler";
1347 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1348 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1350 descr = "VideoHandler";
1351 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1353 descr = "SoundHandler";
1354 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1355 if (track->tag == MKTAG('t','x','3','g')) {
1357 } else if (track->tag == MKTAG('m','p','4','s')) {
1359 } else if (is_clcp_track(track)) {
1364 descr = "SubtitleHandler";
1365 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1367 descr = "HintHandler";
1368 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1370 descr = "TimeCodeHandler";
1373 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1374 track->enc->codec_tag);
1376 av_log(track->enc, AV_LOG_WARNING,
1377 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1378 tag_buf, track->enc->codec_tag);
1381 // hdlr.name is used by some players to identify the content title
1382 // of the track. So if an alternate handler description is
1383 // specified, use it.
1384 AVDictionaryEntry *t;
1385 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1386 if (t && utf8len(t->value))
1391 avio_wb32(pb, 0); /* size */
1392 ffio_wfourcc(pb, "hdlr");
1393 avio_wb32(pb, 0); /* Version & flags */
1394 avio_write(pb, hdlr, 4); /* handler */
1395 ffio_wfourcc(pb, hdlr_type); /* handler type */
1396 avio_wb32(pb, 0); /* reserved */
1397 avio_wb32(pb, 0); /* reserved */
1398 avio_wb32(pb, 0); /* reserved */
1399 if (!track || track->mode == MODE_MOV)
1400 avio_w8(pb, strlen(descr)); /* pascal string */
1401 avio_write(pb, descr, strlen(descr)); /* handler description */
1402 if (track && track->mode != MODE_MOV)
1403 avio_w8(pb, 0); /* c string */
1404 return update_size(pb, pos);
1407 static int mov_write_hmhd_tag(AVIOContext *pb)
1409 /* This atom must be present, but leaving the values at zero
1410 * seems harmless. */
1411 avio_wb32(pb, 28); /* size */
1412 ffio_wfourcc(pb, "hmhd");
1413 avio_wb32(pb, 0); /* version, flags */
1414 avio_wb16(pb, 0); /* maxPDUsize */
1415 avio_wb16(pb, 0); /* avgPDUsize */
1416 avio_wb32(pb, 0); /* maxbitrate */
1417 avio_wb32(pb, 0); /* avgbitrate */
1418 avio_wb32(pb, 0); /* reserved */
1422 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1424 int64_t pos = avio_tell(pb);
1425 avio_wb32(pb, 0); /* size */
1426 ffio_wfourcc(pb, "minf");
1427 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1428 mov_write_vmhd_tag(pb);
1429 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1430 mov_write_smhd_tag(pb);
1431 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1432 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1433 mov_write_gmhd_tag(pb);
1435 mov_write_nmhd_tag(pb);
1437 } else if (track->tag == MKTAG('r','t','p',' ')) {
1438 mov_write_hmhd_tag(pb);
1439 } else if (track->tag == MKTAG('t','m','c','d')) {
1440 mov_write_gmhd_tag(pb);
1442 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1443 mov_write_hdlr_tag(pb, NULL);
1444 mov_write_dinf_tag(pb);
1445 mov_write_stbl_tag(pb, track);
1446 return update_size(pb, pos);
1449 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1452 int version = track->track_duration < INT32_MAX ? 0 : 1;
1454 if (track->mode == MODE_ISM)
1457 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1458 ffio_wfourcc(pb, "mdhd");
1459 avio_w8(pb, version);
1460 avio_wb24(pb, 0); /* flags */
1462 avio_wb64(pb, track->time);
1463 avio_wb64(pb, track->time);
1465 avio_wb32(pb, track->time); /* creation time */
1466 avio_wb32(pb, track->time); /* modification time */
1468 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1469 if (!track->entry && mov->mode == MODE_ISM)
1470 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1471 else if (!track->entry)
1472 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
1474 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1475 avio_wb16(pb, track->language); /* language */
1476 avio_wb16(pb, 0); /* reserved (quality) */
1478 if (version != 0 && track->mode == MODE_MOV) {
1479 av_log(NULL, AV_LOG_ERROR,
1480 "FATAL error, file duration too long for timebase, this file will not be\n"
1481 "playable with quicktime. Choose a different timebase or a different\n"
1482 "container format\n");
1488 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
1491 int64_t pos = avio_tell(pb);
1492 avio_wb32(pb, 0); /* size */
1493 ffio_wfourcc(pb, "mdia");
1494 mov_write_mdhd_tag(pb, mov, track);
1495 mov_write_hdlr_tag(pb, track);
1496 mov_write_minf_tag(pb, track);
1497 return update_size(pb, pos);
1500 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1501 MOVTrack *track, AVStream *st)
1503 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1504 track->timescale, AV_ROUND_UP);
1505 int version = duration < INT32_MAX ? 0 : 1;
1506 int flags = MOV_TKHD_FLAG_IN_MOVIE;
1511 if (mov->per_stream_grouping)
1514 group = st->codec->codec_type;
1517 if (track->flags & MOV_TRACK_ENABLED)
1518 flags |= MOV_TKHD_FLAG_ENABLED;
1520 if (track->mode == MODE_ISM)
1523 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1524 ffio_wfourcc(pb, "tkhd");
1525 avio_w8(pb, version);
1526 avio_wb24(pb, flags);
1528 avio_wb64(pb, track->time);
1529 avio_wb64(pb, track->time);
1531 avio_wb32(pb, track->time); /* creation time */
1532 avio_wb32(pb, track->time); /* modification time */
1534 avio_wb32(pb, track->track_id); /* track-id */
1535 avio_wb32(pb, 0); /* reserved */
1536 if (!track->entry && mov->mode == MODE_ISM)
1537 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1538 else if (!track->entry)
1539 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
1541 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1543 avio_wb32(pb, 0); /* reserved */
1544 avio_wb32(pb, 0); /* reserved */
1545 avio_wb16(pb, 0); /* layer */
1546 avio_wb16(pb, group); /* alternate group) */
1547 /* Volume, only for audio */
1548 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1549 avio_wb16(pb, 0x0100);
1552 avio_wb16(pb, 0); /* reserved */
1554 /* Matrix structure */
1555 avio_wb32(pb, 0x00010000); /* reserved */
1556 avio_wb32(pb, 0x0); /* reserved */
1557 avio_wb32(pb, 0x0); /* reserved */
1558 avio_wb32(pb, 0x0); /* reserved */
1559 avio_wb32(pb, 0x00010000); /* reserved */
1560 avio_wb32(pb, 0x0); /* reserved */
1561 avio_wb32(pb, 0x0); /* reserved */
1562 avio_wb32(pb, 0x0); /* reserved */
1563 avio_wb32(pb, 0x40000000); /* reserved */
1565 /* Track width and height, for visual only */
1566 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1567 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1568 if (track->mode == MODE_MOV) {
1569 avio_wb32(pb, track->enc->width << 16);
1570 avio_wb32(pb, track->height << 16);
1572 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1573 if (!sample_aspect_ratio || track->height != track->enc->height)
1574 sample_aspect_ratio = 1;
1575 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1576 avio_wb32(pb, track->height * 0x10000);
1585 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1587 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1588 track->enc->sample_aspect_ratio.den);
1590 int64_t pos = avio_tell(pb);
1592 avio_wb32(pb, 0); /* size */
1593 ffio_wfourcc(pb, "tapt");
1596 ffio_wfourcc(pb, "clef");
1598 avio_wb32(pb, width << 16);
1599 avio_wb32(pb, track->enc->height << 16);
1602 ffio_wfourcc(pb, "prof");
1604 avio_wb32(pb, width << 16);
1605 avio_wb32(pb, track->enc->height << 16);
1608 ffio_wfourcc(pb, "enof");
1610 avio_wb32(pb, track->enc->width << 16);
1611 avio_wb32(pb, track->enc->height << 16);
1613 return update_size(pb, pos);
1616 // This box seems important for the psp playback ... without it the movie seems to hang
1617 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
1620 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1621 track->timescale, AV_ROUND_UP);
1622 int version = duration < INT32_MAX ? 0 : 1;
1623 int entry_size, entry_count, size;
1624 int64_t delay, start_ct = track->start_cts;
1625 delay = av_rescale_rnd(track->start_dts + start_ct, MOV_TIMESCALE,
1626 track->timescale, AV_ROUND_DOWN);
1627 version |= delay < INT32_MAX ? 0 : 1;
1629 entry_size = (version == 1) ? 20 : 12;
1630 entry_count = 1 + (delay > 0);
1631 size = 24 + entry_count * entry_size;
1633 /* write the atom data */
1634 avio_wb32(pb, size);
1635 ffio_wfourcc(pb, "edts");
1636 avio_wb32(pb, size - 8);
1637 ffio_wfourcc(pb, "elst");
1638 avio_w8(pb, version);
1639 avio_wb24(pb, 0); /* flags */
1641 avio_wb32(pb, entry_count);
1642 if (delay > 0) { /* add an empty edit to delay presentation */
1643 /* In the positive delay case, the delay includes the cts
1644 * offset, and the second edit list entry below trims out
1645 * the same amount from the actual content. This makes sure
1646 * that the offsetted last sample is included in the edit
1647 * list duration as well. */
1649 avio_wb64(pb, delay);
1652 avio_wb32(pb, delay);
1655 avio_wb32(pb, 0x00010000);
1657 /* Avoid accidentally ending up with start_ct = -1 which has got a
1658 * special meaning. Normally start_ct should end up positive or zero
1659 * here, but use FFMIN in case dts is a a small positive integer
1660 * rounded to 0 when represented in MOV_TIMESCALE units. */
1661 start_ct = -FFMIN(track->start_dts, 0);
1662 /* Note, this delay is calculated from the pts of the first sample,
1663 * ensuring that we don't reduce the duration for cases with
1668 /* For fragmented files, we don't know the full length yet. Setting
1669 * duration to 0 allows us to only specify the offset, including
1670 * the rest of the content (from all future fragments) without specifying
1671 * an explicit duration. */
1672 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
1677 avio_wb64(pb, duration);
1678 avio_wb64(pb, start_ct);
1680 avio_wb32(pb, duration);
1681 avio_wb32(pb, start_ct);
1683 avio_wb32(pb, 0x00010000);
1687 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1689 avio_wb32(pb, 20); // size
1690 ffio_wfourcc(pb, "tref");
1691 avio_wb32(pb, 12); // size (subatom)
1692 avio_wl32(pb, track->tref_tag);
1693 avio_wb32(pb, track->tref_id);
1697 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1698 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1700 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1701 ffio_wfourcc(pb, "uuid");
1702 ffio_wfourcc(pb, "USMT");
1703 avio_wb32(pb, 0x21d24fce);
1704 avio_wb32(pb, 0xbb88695c);
1705 avio_wb32(pb, 0xfac9c740);
1706 avio_wb32(pb, 0x1c); // another size here!
1707 ffio_wfourcc(pb, "MTDT");
1708 avio_wb32(pb, 0x00010012);
1709 avio_wb32(pb, 0x0a);
1710 avio_wb32(pb, 0x55c40000);
1716 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1718 AVFormatContext *ctx = track->rtp_ctx;
1719 char buf[1000] = "";
1722 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1723 NULL, NULL, 0, 0, ctx);
1724 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1727 avio_wb32(pb, len + 24);
1728 ffio_wfourcc(pb, "udta");
1729 avio_wb32(pb, len + 16);
1730 ffio_wfourcc(pb, "hnti");
1731 avio_wb32(pb, len + 8);
1732 ffio_wfourcc(pb, "sdp ");
1733 avio_write(pb, buf, len);
1737 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
1738 const char *tag, const char *str)
1740 int64_t pos = avio_tell(pb);
1741 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
1742 if (!t || !utf8len(t->value))
1745 avio_wb32(pb, 0); /* size */
1746 ffio_wfourcc(pb, tag); /* type */
1747 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
1748 return update_size(pb, pos);
1751 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1754 AVIOContext *pb_buf;
1758 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
1761 ret = avio_open_dyn_buf(&pb_buf);
1765 if (mov->mode & MODE_MP4)
1766 mov_write_track_metadata(pb_buf, st, "name", "title");
1768 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1769 avio_wb32(pb, size + 8);
1770 ffio_wfourcc(pb, "udta");
1771 avio_write(pb, buf, size);
1778 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1779 MOVTrack *track, AVStream *st)
1781 int64_t pos = avio_tell(pb);
1782 int entry_backup = track->entry;
1783 /* If we want to have an empty moov, but some samples already have been
1784 * buffered (delay_moov), pretend that no samples have been written yet. */
1785 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
1788 avio_wb32(pb, 0); /* size */
1789 ffio_wfourcc(pb, "trak");
1790 mov_write_tkhd_tag(pb, mov, track, st);
1791 if (track->start_dts != AV_NOPTS_VALUE &&
1792 (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1793 track->start_dts || is_clcp_track(track))) {
1794 if (mov->use_editlist)
1795 mov_write_edts_tag(pb, mov, track); // PSP Movies require edts box
1796 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
1797 av_log(mov->fc, AV_LOG_WARNING,
1798 "Not writing any edit list even though one would have been required\n");
1800 if (track->tref_tag)
1801 mov_write_tref_tag(pb, track);
1802 mov_write_mdia_tag(pb, mov, track);
1803 if (track->mode == MODE_PSP)
1804 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1805 if (track->tag == MKTAG('r','t','p',' '))
1806 mov_write_udta_sdp(pb, track);
1807 if (track->mode == MODE_MOV) {
1808 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1809 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1810 if ((0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)) {
1811 mov_write_tapt_tag(pb, track);
1814 if (is_clcp_track(track)) {
1815 mov_write_tapt_tag(pb, track);
1818 mov_write_track_udta_tag(pb, mov, st);
1819 track->entry = entry_backup;
1820 return update_size(pb, pos);
1823 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1825 int i, has_audio = 0, has_video = 0;
1826 int64_t pos = avio_tell(pb);
1827 int audio_profile = mov->iods_audio_profile;
1828 int video_profile = mov->iods_video_profile;
1829 for (i = 0; i < mov->nb_streams; i++) {
1830 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
1831 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1832 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1835 if (audio_profile < 0)
1836 audio_profile = 0xFF - has_audio;
1837 if (video_profile < 0)
1838 video_profile = 0xFF - has_video;
1839 avio_wb32(pb, 0x0); /* size */
1840 ffio_wfourcc(pb, "iods");
1841 avio_wb32(pb, 0); /* version & flags */
1842 put_descr(pb, 0x10, 7);
1843 avio_wb16(pb, 0x004f);
1846 avio_w8(pb, audio_profile);
1847 avio_w8(pb, video_profile);
1849 return update_size(pb, pos);
1852 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1854 avio_wb32(pb, 0x20); /* size */
1855 ffio_wfourcc(pb, "trex");
1856 avio_wb32(pb, 0); /* version & flags */
1857 avio_wb32(pb, track->track_id); /* track ID */
1858 avio_wb32(pb, 1); /* default sample description index */
1859 avio_wb32(pb, 0); /* default sample duration */
1860 avio_wb32(pb, 0); /* default sample size */
1861 avio_wb32(pb, 0); /* default sample flags */
1865 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1867 int64_t pos = avio_tell(pb);
1869 avio_wb32(pb, 0x0); /* size */
1870 ffio_wfourcc(pb, "mvex");
1871 for (i = 0; i < mov->nb_streams; i++)
1872 mov_write_trex_tag(pb, &mov->tracks[i]);
1873 return update_size(pb, pos);
1876 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1878 int max_track_id = 1, i;
1879 int64_t max_track_len_temp, max_track_len = 0;
1882 for (i = 0; i < mov->nb_streams; i++) {
1883 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1884 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1886 mov->tracks[i].timescale,
1888 if (max_track_len < max_track_len_temp)
1889 max_track_len = max_track_len_temp;
1890 if (max_track_id < mov->tracks[i].track_id)
1891 max_track_id = mov->tracks[i].track_id;
1894 /* If using delay_moov, make sure the output is the same as if no
1895 * samples had been written yet. */
1896 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
1901 version = max_track_len < UINT32_MAX ? 0 : 1;
1902 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1903 ffio_wfourcc(pb, "mvhd");
1904 avio_w8(pb, version);
1905 avio_wb24(pb, 0); /* flags */
1907 avio_wb64(pb, mov->time);
1908 avio_wb64(pb, mov->time);
1910 avio_wb32(pb, mov->time); /* creation time */
1911 avio_wb32(pb, mov->time); /* modification time */
1913 avio_wb32(pb, MOV_TIMESCALE);
1914 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1916 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1917 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1918 avio_wb16(pb, 0); /* reserved */
1919 avio_wb32(pb, 0); /* reserved */
1920 avio_wb32(pb, 0); /* reserved */
1922 /* Matrix structure */
1923 avio_wb32(pb, 0x00010000); /* reserved */
1924 avio_wb32(pb, 0x0); /* reserved */
1925 avio_wb32(pb, 0x0); /* reserved */
1926 avio_wb32(pb, 0x0); /* reserved */
1927 avio_wb32(pb, 0x00010000); /* reserved */
1928 avio_wb32(pb, 0x0); /* reserved */
1929 avio_wb32(pb, 0x0); /* reserved */
1930 avio_wb32(pb, 0x0); /* reserved */
1931 avio_wb32(pb, 0x40000000); /* reserved */
1933 avio_wb32(pb, 0); /* reserved (preview time) */
1934 avio_wb32(pb, 0); /* reserved (preview duration) */
1935 avio_wb32(pb, 0); /* reserved (poster time) */
1936 avio_wb32(pb, 0); /* reserved (selection time) */
1937 avio_wb32(pb, 0); /* reserved (selection duration) */
1938 avio_wb32(pb, 0); /* reserved (current time) */
1939 avio_wb32(pb, max_track_id + 1); /* Next track id */
1943 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1946 avio_wb32(pb, 33); /* size */
1947 ffio_wfourcc(pb, "hdlr");
1950 ffio_wfourcc(pb, "mdir");
1951 ffio_wfourcc(pb, "appl");
1958 /* helper function to write a data tag with the specified string as data */
1959 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1962 int size = 16 + strlen(data);
1963 avio_wb32(pb, size); /* size */
1964 ffio_wfourcc(pb, "data");
1967 avio_write(pb, data, strlen(data));
1971 lang = ff_mov_iso639_to_lang("und", 1);
1972 avio_wb16(pb, strlen(data)); /* string length */
1973 avio_wb16(pb, lang);
1974 avio_write(pb, data, strlen(data));
1975 return strlen(data) + 4;
1979 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1980 const char *value, int lang, int long_style)
1983 if (value && value[0]) {
1984 int64_t pos = avio_tell(pb);
1985 avio_wb32(pb, 0); /* size */
1986 ffio_wfourcc(pb, name);
1987 mov_write_string_data_tag(pb, value, lang, long_style);
1988 size = update_size(pb, pos);
1993 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1994 const char *name, const char *tag,
1997 int l, lang = 0, len, len2;
1998 AVDictionaryEntry *t, *t2 = NULL;
2001 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2004 len = strlen(t->key);
2005 snprintf(tag2, sizeof(tag2), "%s-", tag);
2006 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2007 len2 = strlen(t2->key);
2008 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2009 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2014 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2017 /* iTunes track number */
2018 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2021 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2022 int size = 0, track = t ? atoi(t->value) : 0;
2024 avio_wb32(pb, 32); /* size */
2025 ffio_wfourcc(pb, "trkn");
2026 avio_wb32(pb, 24); /* size */
2027 ffio_wfourcc(pb, "data");
2028 avio_wb32(pb, 0); // 8 bytes empty
2030 avio_wb16(pb, 0); // empty
2031 avio_wb16(pb, track); // track number
2032 avio_wb16(pb, 0); // total track number
2033 avio_wb16(pb, 0); // empty
2039 /* iTunes meta data list */
2040 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2043 int64_t pos = avio_tell(pb);
2044 avio_wb32(pb, 0); /* size */
2045 ffio_wfourcc(pb, "ilst");
2046 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2047 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2048 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2049 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2050 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2051 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2052 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2053 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2054 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2055 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2056 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2057 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2058 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2059 mov_write_string_metadata(s, pb, "desc", "description",1);
2060 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2061 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2062 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2063 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2064 mov_write_trkn_tag(pb, mov, s);
2065 return update_size(pb, pos);
2068 /* iTunes meta data tag */
2069 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2073 int64_t pos = avio_tell(pb);
2074 avio_wb32(pb, 0); /* size */
2075 ffio_wfourcc(pb, "meta");
2077 mov_write_itunes_hdlr_tag(pb, mov, s);
2078 mov_write_ilst_tag(pb, mov, s);
2079 size = update_size(pb, pos);
2083 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2087 GET_UTF8(val, *b++, return -1;)
2090 avio_wb16(pb, 0x00);
2094 static uint16_t language_code(const char *str)
2096 return (((str[0] - 0x60) & 0x1F) << 10) +
2097 (((str[1] - 0x60) & 0x1F) << 5) +
2098 (( str[2] - 0x60) & 0x1F);
2101 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2102 const char *tag, const char *str)
2104 int64_t pos = avio_tell(pb);
2105 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2106 if (!t || !utf8len(t->value))
2108 avio_wb32(pb, 0); /* size */
2109 ffio_wfourcc(pb, tag); /* type */
2110 avio_wb32(pb, 0); /* version + flags */
2111 if (!strcmp(tag, "yrrc"))
2112 avio_wb16(pb, atoi(t->value));
2114 avio_wb16(pb, language_code("eng")); /* language */
2115 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2116 if (!strcmp(tag, "albm") &&
2117 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2118 avio_w8(pb, atoi(t->value));
2120 return update_size(pb, pos);
2123 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2125 int64_t pos = avio_tell(pb);
2126 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2128 avio_wb32(pb, 0); // size
2129 ffio_wfourcc(pb, "chpl");
2130 avio_wb32(pb, 0x01000000); // version + flags
2131 avio_wb32(pb, 0); // unknown
2132 avio_w8(pb, nb_chapters);
2134 for (i = 0; i < nb_chapters; i++) {
2135 AVChapter *c = s->chapters[i];
2136 AVDictionaryEntry *t;
2137 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2139 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2140 int len = FFMIN(strlen(t->value), 255);
2142 avio_write(pb, t->value, len);
2146 return update_size(pb, pos);
2149 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2152 AVIOContext *pb_buf;
2156 if (s->flags & AVFMT_FLAG_BITEXACT)
2159 ret = avio_open_dyn_buf(&pb_buf);
2163 if (mov->mode & MODE_3GP) {
2164 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2165 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2166 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2167 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2168 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2169 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2170 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2171 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2172 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2173 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2174 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2175 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2176 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2177 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2178 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2179 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2180 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2181 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2183 /* iTunes meta data */
2184 mov_write_meta_tag(pb_buf, mov, s);
2187 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2188 mov_write_chpl_tag(pb_buf, s);
2190 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2191 avio_wb32(pb, size + 8);
2192 ffio_wfourcc(pb, "udta");
2193 avio_write(pb, buf, size);
2200 static void mov_write_psp_udta_tag(AVIOContext *pb,
2201 const char *str, const char *lang, int type)
2203 int len = utf8len(str) + 1;
2206 avio_wb16(pb, len * 2 + 10); /* size */
2207 avio_wb32(pb, type); /* type */
2208 avio_wb16(pb, language_code(lang)); /* language */
2209 avio_wb16(pb, 0x01); /* ? */
2210 ascii_to_wc(pb, str);
2213 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2215 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2219 pos = avio_tell(pb);
2220 avio_wb32(pb, 0); /* size placeholder*/
2221 ffio_wfourcc(pb, "uuid");
2222 ffio_wfourcc(pb, "USMT");
2223 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2224 avio_wb32(pb, 0xbb88695c);
2225 avio_wb32(pb, 0xfac9c740);
2227 pos2 = avio_tell(pb);
2228 avio_wb32(pb, 0); /* size placeholder*/
2229 ffio_wfourcc(pb, "MTDT");
2233 avio_wb16(pb, 0x0C); /* size */
2234 avio_wb32(pb, 0x0B); /* type */
2235 avio_wb16(pb, language_code("und")); /* language */
2236 avio_wb16(pb, 0x0); /* ? */
2237 avio_wb16(pb, 0x021C); /* data */
2239 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2240 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2241 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2243 update_size(pb, pos2);
2244 return update_size(pb, pos);
2250 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2254 int64_t pos = avio_tell(pb);
2255 avio_wb32(pb, 0); /* size placeholder*/
2256 ffio_wfourcc(pb, "moov");
2258 for (i = 0; i < mov->nb_streams; i++) {
2259 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2262 mov->tracks[i].time = mov->time;
2263 mov->tracks[i].track_id = i + 1;
2266 if (mov->chapter_track)
2267 for (i = 0; i < s->nb_streams; i++) {
2268 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2269 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2271 for (i = 0; i < mov->nb_streams; i++) {
2272 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2273 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2274 mov->tracks[i].tref_id =
2275 mov->tracks[mov->tracks[i].src_track].track_id;
2279 mov_write_mvhd_tag(pb, mov);
2280 if (mov->mode != MODE_MOV && !mov->iods_skip)
2281 mov_write_iods_tag(pb, mov);
2282 for (i = 0; i < mov->nb_streams; i++) {
2283 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2284 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2287 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2288 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2290 if (mov->mode == MODE_PSP)
2291 mov_write_uuidusmt_tag(pb, s);
2293 mov_write_udta_tag(pb, mov, s);
2295 return update_size(pb, pos);
2298 static void param_write_int(AVIOContext *pb, const char *name, int value)
2300 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2303 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2305 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2308 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2311 len = FFMIN(sizeof(buf) / 2 - 1, len);
2312 ff_data_to_hex(buf, value, len, 0);
2313 buf[2 * len] = '\0';
2314 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2317 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2319 int64_t pos = avio_tell(pb);
2321 const uint8_t uuid[] = {
2322 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2323 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2327 ffio_wfourcc(pb, "uuid");
2328 avio_write(pb, uuid, sizeof(uuid));
2331 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2332 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2333 avio_printf(pb, "<head>\n");
2334 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2336 avio_printf(pb, "</head>\n");
2337 avio_printf(pb, "<body>\n");
2338 avio_printf(pb, "<switch>\n");
2339 for (i = 0; i < mov->nb_streams; i++) {
2340 MOVTrack *track = &mov->tracks[i];
2342 /* track->track_id is initialized in write_moov, and thus isn't known
2344 int track_id = i + 1;
2346 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2348 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2353 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2354 track->enc->bit_rate);
2355 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2356 param_write_int(pb, "trackID", track_id);
2357 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2358 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2360 int size = track->enc->extradata_size;
2361 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2363 param_write_hex(pb, "CodecPrivateData",
2364 ptr ? ptr : track->enc->extradata,
2368 param_write_string(pb, "FourCC", "H264");
2369 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2370 param_write_string(pb, "FourCC", "WVC1");
2371 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2372 track->enc->extradata_size);
2374 param_write_int(pb, "MaxWidth", track->enc->width);
2375 param_write_int(pb, "MaxHeight", track->enc->height);
2376 param_write_int(pb, "DisplayWidth", track->enc->width);
2377 param_write_int(pb, "DisplayHeight", track->enc->height);
2379 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2380 param_write_string(pb, "FourCC", "AACL");
2381 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2382 param_write_string(pb, "FourCC", "WMAP");
2384 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2385 track->enc->extradata_size);
2386 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2387 track->enc->codec_id));
2388 param_write_int(pb, "Channels", track->enc->channels);
2389 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2390 param_write_int(pb, "BitsPerSample", 16);
2391 param_write_int(pb, "PacketSize", track->enc->block_align ?
2392 track->enc->block_align : 4);
2394 avio_printf(pb, "</%s>\n", type);
2396 avio_printf(pb, "</switch>\n");
2397 avio_printf(pb, "</body>\n");
2398 avio_printf(pb, "</smil>\n");
2400 return update_size(pb, pos);
2403 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2406 ffio_wfourcc(pb, "mfhd");
2408 avio_wb32(pb, mov->fragments);
2412 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2414 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2415 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2418 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2419 MOVTrack *track, int64_t moof_offset)
2421 int64_t pos = avio_tell(pb);
2422 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2423 MOV_TFHD_BASE_DATA_OFFSET;
2424 if (!track->entry) {
2425 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2427 flags |= MOV_TFHD_DEFAULT_FLAGS;
2429 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2430 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2431 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
2432 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2433 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
2436 /* Don't set a default sample size, the silverlight player refuses
2437 * to play files with that set. Don't set a default sample duration,
2438 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2439 * file format says it MUST NOT be set. */
2440 if (track->mode == MODE_ISM)
2441 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2442 MOV_TFHD_BASE_DATA_OFFSET);
2444 avio_wb32(pb, 0); /* size placeholder */
2445 ffio_wfourcc(pb, "tfhd");
2446 avio_w8(pb, 0); /* version */
2447 avio_wb24(pb, flags);
2449 avio_wb32(pb, track->track_id); /* track-id */
2450 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2451 avio_wb64(pb, moof_offset);
2452 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2453 track->default_duration = get_cluster_duration(track, 0);
2454 avio_wb32(pb, track->default_duration);
2456 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2457 track->default_size = track->entry ? track->cluster[0].size : 1;
2458 avio_wb32(pb, track->default_size);
2460 track->default_size = -1;
2462 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2463 /* Set the default flags based on the second sample, if available.
2464 * If the first sample is different, that can be signaled via a separate field. */
2465 if (track->entry > 1)
2466 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
2468 track->default_sample_flags =
2469 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2470 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2471 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2472 avio_wb32(pb, track->default_sample_flags);
2475 return update_size(pb, pos);
2478 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2479 MOVTrack *track, int moof_size,
2482 int64_t pos = avio_tell(pb);
2483 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2486 for (i = first; i < end; i++) {
2487 if (get_cluster_duration(track, i) != track->default_duration)
2488 flags |= MOV_TRUN_SAMPLE_DURATION;
2489 if (track->cluster[i].size != track->default_size)
2490 flags |= MOV_TRUN_SAMPLE_SIZE;
2491 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2492 flags |= MOV_TRUN_SAMPLE_FLAGS;
2494 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
2495 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
2496 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2497 if (track->flags & MOV_TRACK_CTTS)
2498 flags |= MOV_TRUN_SAMPLE_CTS;
2500 avio_wb32(pb, 0); /* size placeholder */
2501 ffio_wfourcc(pb, "trun");
2502 avio_w8(pb, 0); /* version */
2503 avio_wb24(pb, flags);
2505 avio_wb32(pb, end - first); /* sample count */
2506 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2507 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
2509 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2511 avio_wb32(pb, moof_size + 8 + track->data_offset +
2512 track->cluster[first].pos); /* data offset */
2513 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2514 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
2516 for (i = first; i < end; i++) {
2517 if (flags & MOV_TRUN_SAMPLE_DURATION)
2518 avio_wb32(pb, get_cluster_duration(track, i));
2519 if (flags & MOV_TRUN_SAMPLE_SIZE)
2520 avio_wb32(pb, track->cluster[i].size);
2521 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2522 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2523 if (flags & MOV_TRUN_SAMPLE_CTS)
2524 avio_wb32(pb, track->cluster[i].cts);
2527 mov->first_trun = 0;
2528 return update_size(pb, pos);
2531 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2533 int64_t pos = avio_tell(pb);
2534 const uint8_t uuid[] = {
2535 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2536 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2539 avio_wb32(pb, 0); /* size placeholder */
2540 ffio_wfourcc(pb, "uuid");
2541 avio_write(pb, uuid, sizeof(uuid));
2544 avio_wb64(pb, track->frag_start);
2545 avio_wb64(pb, track->start_dts + track->track_duration -
2546 track->cluster[0].dts);
2548 return update_size(pb, pos);
2551 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2552 MOVTrack *track, int entry)
2554 int n = track->nb_frag_info - 1 - entry, i;
2555 int size = 8 + 16 + 4 + 1 + 16*n;
2556 const uint8_t uuid[] = {
2557 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2558 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2564 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2565 avio_wb32(pb, size);
2566 ffio_wfourcc(pb, "uuid");
2567 avio_write(pb, uuid, sizeof(uuid));
2571 for (i = 0; i < n; i++) {
2572 int index = entry + 1 + i;
2573 avio_wb64(pb, track->frag_info[index].time);
2574 avio_wb64(pb, track->frag_info[index].duration);
2576 if (n < mov->ism_lookahead) {
2577 int free_size = 16 * (mov->ism_lookahead - n);
2578 avio_wb32(pb, free_size);
2579 ffio_wfourcc(pb, "free");
2580 for (i = 0; i < free_size - 8; i++)
2587 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2590 int64_t pos = avio_tell(pb);
2592 for (i = 0; i < mov->ism_lookahead; i++) {
2593 /* Update the tfrf tag for the last ism_lookahead fragments,
2594 * nb_frag_info - 1 is the next fragment to be written. */
2595 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2597 avio_seek(pb, pos, SEEK_SET);
2601 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2605 for (i = 0; i < mov->nb_streams; i++) {
2606 MOVTrack *track = &mov->tracks[i];
2607 MOVFragmentInfo *info;
2608 if ((tracks >= 0 && i != tracks) || !track->entry)
2610 track->nb_frag_info++;
2611 if (track->nb_frag_info >= track->frag_info_capacity) {
2612 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2613 if (av_reallocp_array(&track->frag_info,
2615 sizeof(*track->frag_info)))
2616 return AVERROR(ENOMEM);
2617 track->frag_info_capacity = new_capacity;
2619 info = &track->frag_info[track->nb_frag_info - 1];
2620 info->offset = avio_tell(pb);
2622 // Try to recreate the original pts for the first packet
2623 // from the fields we have stored
2624 info->time = track->start_dts + track->frag_start +
2625 track->cluster[0].cts;
2626 // If the pts is less than zero, we will have trimmed
2627 // away parts of the media track using an edit list,
2628 // and the corresponding start presentation time is zero.
2631 info->duration = track->start_dts + track->track_duration -
2632 track->cluster[0].dts;
2633 info->tfrf_offset = 0;
2634 mov_write_tfrf_tags(pb, mov, track);
2639 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
2641 int64_t pos = avio_tell(pb);
2643 avio_wb32(pb, 0); /* size */
2644 ffio_wfourcc(pb, "tfdt");
2645 avio_w8(pb, 1); /* version */
2647 avio_wb64(pb, track->frag_start);
2648 return update_size(pb, pos);
2651 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2652 MOVTrack *track, int64_t moof_offset,
2655 int64_t pos = avio_tell(pb);
2657 avio_wb32(pb, 0); /* size placeholder */
2658 ffio_wfourcc(pb, "traf");
2660 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2661 if (mov->mode != MODE_ISM)
2662 mov_write_tfdt_tag(pb, track);
2663 for (i = 1; i < track->entry; i++) {
2664 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
2665 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
2669 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
2670 if (mov->mode == MODE_ISM) {
2671 mov_write_tfxd_tag(pb, track);
2673 if (mov->ism_lookahead) {
2674 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2676 if (track->nb_frag_info > 0) {
2677 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
2678 if (!info->tfrf_offset)
2679 info->tfrf_offset = avio_tell(pb);
2681 avio_wb32(pb, 8 + size);
2682 ffio_wfourcc(pb, "free");
2683 for (i = 0; i < size; i++)
2688 return update_size(pb, pos);
2691 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2692 int tracks, int moof_size)
2694 int64_t pos = avio_tell(pb);
2697 avio_wb32(pb, 0); /* size placeholder */
2698 ffio_wfourcc(pb, "moof");
2699 mov->first_trun = 1;
2701 mov_write_mfhd_tag(pb, mov);
2702 for (i = 0; i < mov->nb_streams; i++) {
2703 MOVTrack *track = &mov->tracks[i];
2704 if (tracks >= 0 && i != tracks)
2708 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2711 return update_size(pb, pos);
2714 static int mov_write_sidx_tag(AVIOContext *pb,
2715 MOVTrack *track, int ref_size, int total_sidx_size)
2717 int64_t pos = avio_tell(pb), offset_pos, end_pos;
2718 int64_t presentation_time, duration, offset;
2719 int starts_with_SAP, i, entries;
2723 presentation_time = track->start_dts + track->frag_start +
2724 track->cluster[0].cts;
2725 duration = track->start_dts + track->track_duration -
2726 track->cluster[0].dts;
2727 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
2729 entries = track->nb_frag_info;
2730 presentation_time = track->frag_info[0].time;
2733 // pts<0 should be cut away using edts
2734 if (presentation_time < 0)
2735 presentation_time = 0;
2737 avio_wb32(pb, 0); /* size */
2738 ffio_wfourcc(pb, "sidx");
2739 avio_w8(pb, 1); /* version */
2741 avio_wb32(pb, track->track_id); /* reference_ID */
2742 avio_wb32(pb, track->timescale); /* timescale */
2743 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
2744 offset_pos = avio_tell(pb);
2745 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
2746 avio_wb16(pb, 0); /* reserved */
2748 avio_wb16(pb, entries); /* reference_count */
2749 for (i = 0; i < entries; i++) {
2750 if (!track->entry) {
2751 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
2752 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
2754 duration = track->frag_info[i].duration;
2755 ref_size = track->frag_info[i].size;
2756 starts_with_SAP = 1;
2758 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
2759 avio_wb32(pb, duration); /* subsegment_duration */
2760 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
2763 end_pos = avio_tell(pb);
2764 offset = pos + total_sidx_size - end_pos;
2765 avio_seek(pb, offset_pos, SEEK_SET);
2766 avio_wb64(pb, offset);
2767 avio_seek(pb, end_pos, SEEK_SET);
2768 return update_size(pb, pos);
2771 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
2772 int tracks, int ref_size)
2775 AVIOContext *avio_buf;
2777 for (round = 0; round < 2; round++) {
2778 // First run one round to calculate the total size of all
2780 // This would be much simpler if we'd only write one sidx
2781 // atom, for the first track in the moof.
2783 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2788 for (i = 0; i < mov->nb_streams; i++) {
2789 MOVTrack *track = &mov->tracks[i];
2790 if (tracks >= 0 && i != tracks)
2792 // When writing a sidx for the full file, entry is 0, but
2793 // we want to include all tracks. ref_size is 0 in this case,
2794 // since we read it from frag_info instead.
2795 if (!track->entry && ref_size > 0)
2797 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
2801 total_size = ffio_close_null_buf(avio_buf);
2806 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2809 AVIOContext *avio_buf;
2812 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2814 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2815 moof_size = ffio_close_null_buf(avio_buf);
2817 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
2818 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
2820 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
2823 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2826 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2828 int64_t pos = avio_tell(pb);
2831 avio_wb32(pb, 0); /* size placeholder */
2832 ffio_wfourcc(pb, "tfra");
2833 avio_w8(pb, 1); /* version */
2836 avio_wb32(pb, track->track_id);
2837 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2838 avio_wb32(pb, track->nb_frag_info);
2839 for (i = 0; i < track->nb_frag_info; i++) {
2840 avio_wb64(pb, track->frag_info[i].time);
2841 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
2842 avio_w8(pb, 1); /* traf number */
2843 avio_w8(pb, 1); /* trun number */
2844 avio_w8(pb, 1); /* sample number */
2847 return update_size(pb, pos);
2850 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2852 int64_t pos = avio_tell(pb);
2855 avio_wb32(pb, 0); /* size placeholder */
2856 ffio_wfourcc(pb, "mfra");
2857 /* An empty mfra atom is enough to indicate to the publishing point that
2858 * the stream has ended. */
2859 if (mov->flags & FF_MOV_FLAG_ISML)
2860 return update_size(pb, pos);
2862 for (i = 0; i < mov->nb_streams; i++) {
2863 MOVTrack *track = &mov->tracks[i];
2864 if (track->nb_frag_info)
2865 mov_write_tfra_tag(pb, track);
2869 ffio_wfourcc(pb, "mfro");
2870 avio_wb32(pb, 0); /* version + flags */
2871 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2873 return update_size(pb, pos);
2876 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2878 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2879 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2881 mov->mdat_pos = avio_tell(pb);
2882 avio_wb32(pb, 0); /* size placeholder*/
2883 ffio_wfourcc(pb, "mdat");
2887 /* TODO: This needs to be more general */
2888 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2890 MOVMuxContext *mov = s->priv_data;
2891 int64_t pos = avio_tell(pb);
2892 int has_h264 = 0, has_video = 0;
2896 for (i = 0; i < s->nb_streams; i++) {
2897 AVStream *st = s->streams[i];
2898 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2900 if (st->codec->codec_id == AV_CODEC_ID_H264)
2904 avio_wb32(pb, 0); /* size */
2905 ffio_wfourcc(pb, "ftyp");
2907 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2908 ffio_wfourcc(pb, mov->major_brand);
2909 else if (mov->mode == MODE_3GP) {
2910 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2911 minor = has_h264 ? 0x100 : 0x200;
2912 } else if (mov->mode & MODE_3G2) {
2913 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2914 minor = has_h264 ? 0x20000 : 0x10000;
2915 } else if (mov->mode == MODE_PSP)
2916 ffio_wfourcc(pb, "MSNV");
2917 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
2918 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
2919 else if (mov->mode == MODE_MP4)
2920 ffio_wfourcc(pb, "isom");
2921 else if (mov->mode == MODE_IPOD)
2922 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2923 else if (mov->mode == MODE_ISM)
2924 ffio_wfourcc(pb, "isml");
2925 else if (mov->mode == MODE_F4V)
2926 ffio_wfourcc(pb, "f4v ");
2928 ffio_wfourcc(pb, "qt ");
2930 avio_wb32(pb, minor);
2932 if (mov->mode == MODE_MOV)
2933 ffio_wfourcc(pb, "qt ");
2934 else if (mov->mode == MODE_ISM) {
2935 ffio_wfourcc(pb, "piff");
2936 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
2937 ffio_wfourcc(pb, "isom");
2938 ffio_wfourcc(pb, "iso2");
2940 ffio_wfourcc(pb, "avc1");
2943 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
2944 // brand. This is compatible with users that don't understand tfdt.
2945 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
2946 ffio_wfourcc(pb, "iso6");
2948 if (mov->mode == MODE_3GP)
2949 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2950 else if (mov->mode & MODE_3G2)
2951 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2952 else if (mov->mode == MODE_PSP)
2953 ffio_wfourcc(pb, "MSNV");
2954 else if (mov->mode == MODE_MP4)
2955 ffio_wfourcc(pb, "mp41");
2957 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
2958 ffio_wfourcc(pb, "dash");
2960 return update_size(pb, pos);
2963 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2965 AVStream *video_st = s->streams[0];
2966 AVCodecContext *video_codec = s->streams[0]->codec;
2967 AVCodecContext *audio_codec = s->streams[1]->codec;
2968 int audio_rate = audio_codec->sample_rate;
2969 // TODO: should be avg_frame_rate
2970 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
2971 int audio_kbitrate = audio_codec->bit_rate / 1000;
2972 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2974 avio_wb32(pb, 0x94); /* size */
2975 ffio_wfourcc(pb, "uuid");
2976 ffio_wfourcc(pb, "PROF");
2978 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2979 avio_wb32(pb, 0xbb88695c);
2980 avio_wb32(pb, 0xfac9c740);
2982 avio_wb32(pb, 0x0); /* ? */
2983 avio_wb32(pb, 0x3); /* 3 sections ? */
2985 avio_wb32(pb, 0x14); /* size */
2986 ffio_wfourcc(pb, "FPRF");
2987 avio_wb32(pb, 0x0); /* ? */
2988 avio_wb32(pb, 0x0); /* ? */
2989 avio_wb32(pb, 0x0); /* ? */
2991 avio_wb32(pb, 0x2c); /* size */
2992 ffio_wfourcc(pb, "APRF"); /* audio */
2994 avio_wb32(pb, 0x2); /* TrackID */
2995 ffio_wfourcc(pb, "mp4a");
2996 avio_wb32(pb, 0x20f);
2998 avio_wb32(pb, audio_kbitrate);
2999 avio_wb32(pb, audio_kbitrate);
3000 avio_wb32(pb, audio_rate);
3001 avio_wb32(pb, audio_codec->channels);
3003 avio_wb32(pb, 0x34); /* size */
3004 ffio_wfourcc(pb, "VPRF"); /* video */
3006 avio_wb32(pb, 0x1); /* TrackID */
3007 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3008 ffio_wfourcc(pb, "avc1");
3009 avio_wb16(pb, 0x014D);
3010 avio_wb16(pb, 0x0015);
3012 ffio_wfourcc(pb, "mp4v");
3013 avio_wb16(pb, 0x0000);
3014 avio_wb16(pb, 0x0103);
3017 avio_wb32(pb, video_kbitrate);
3018 avio_wb32(pb, video_kbitrate);
3019 avio_wb32(pb, frame_rate);
3020 avio_wb32(pb, frame_rate);
3021 avio_wb16(pb, video_codec->width);
3022 avio_wb16(pb, video_codec->height);
3023 avio_wb32(pb, 0x010001); /* ? */
3026 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3028 MOVMuxContext *mov = s->priv_data;
3029 mov_write_ftyp_tag(pb,s);
3030 if (mov->mode == MODE_PSP) {
3031 if (s->nb_streams != 2) {
3032 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3033 return AVERROR(EINVAL);
3035 mov_write_uuidprof_tag(pb, s);
3040 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3043 int i, closed_gop = 0;
3045 for (i = 0; i < pkt->size - 4; i++) {
3046 c = (c << 8) + pkt->data[i];
3047 if (c == 0x1b8) { // gop
3048 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3049 } else if (c == 0x100) { // pic
3050 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3051 if (!temp_ref || closed_gop) // I picture is not reordered
3052 *flags = MOV_SYNC_SAMPLE;
3054 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3061 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
3063 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3064 int seq = 0, entry = 0;
3065 int key = pkt->flags & AV_PKT_FLAG_KEY;
3066 start = find_next_marker(pkt->data, end);
3067 for (next = start; next < end; start = next) {
3068 next = find_next_marker(start + 4, end);
3069 switch (AV_RB32(start)) {
3070 case VC1_CODE_SEQHDR:
3073 case VC1_CODE_ENTRYPOINT:
3076 case VC1_CODE_SLICE:
3077 trk->vc1_info.slices = 1;
3081 if (!trk->entry && trk->vc1_info.first_packet_seen)
3082 trk->vc1_info.first_frag_written = 1;
3083 if (!trk->entry && !trk->vc1_info.first_frag_written) {
3084 /* First packet in first fragment */
3085 trk->vc1_info.first_packet_seq = seq;
3086 trk->vc1_info.first_packet_entry = entry;
3087 trk->vc1_info.first_packet_seen = 1;
3088 } else if ((seq && !trk->vc1_info.packet_seq) ||
3089 (entry && !trk->vc1_info.packet_entry)) {
3091 for (i = 0; i < trk->entry; i++)
3092 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3093 trk->has_keyframes = 0;
3095 trk->vc1_info.packet_seq = 1;
3097 trk->vc1_info.packet_entry = 1;
3098 if (!trk->vc1_info.first_frag_written) {
3099 /* First fragment */
3100 if ((!seq || trk->vc1_info.first_packet_seq) &&
3101 (!entry || trk->vc1_info.first_packet_entry)) {
3102 /* First packet had the same headers as this one, readd the
3103 * sync sample flag. */
3104 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3105 trk->has_keyframes = 1;
3109 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3111 else if (trk->vc1_info.packet_seq)
3113 else if (trk->vc1_info.packet_entry)
3116 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3117 trk->has_keyframes++;
3121 static int mov_flush_fragment(AVFormatContext *s)
3123 MOVMuxContext *mov = s->priv_data;
3124 int i, first_track = -1;
3125 int64_t mdat_size = 0;
3127 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3130 if (!mov->moov_written) {
3131 int64_t pos = avio_tell(s->pb);
3133 AVIOContext *moov_buf;
3137 for (i = 0; i < mov->nb_streams; i++)
3138 if (!mov->tracks[i].entry)
3140 /* Don't write the initial moov unless all tracks have data */
3141 if (i < mov->nb_streams)
3144 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3146 mov_write_moov_tag(moov_buf, mov, s);
3147 buf_size = ffio_close_null_buf(moov_buf);
3148 for (i = 0; i < mov->nb_streams; i++)
3149 mov->tracks[i].data_offset = pos + buf_size + 8;
3151 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3152 mov_write_identification(s->pb, s);
3153 mov_write_moov_tag(s->pb, mov, s);
3155 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
3156 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3157 mov->reserved_moov_pos = avio_tell(s->pb);
3159 mov->moov_written = 1;
3163 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3164 mov->mdat_buf = NULL;
3165 avio_wb32(s->pb, buf_size + 8);
3166 ffio_wfourcc(s->pb, "mdat");
3167 avio_write(s->pb, buf, buf_size);
3170 mov->moov_written = 1;
3172 for (i = 0; i < mov->nb_streams; i++) {
3173 if (mov->tracks[i].entry)
3174 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3175 mov->tracks[i].track_duration -
3176 mov->tracks[i].cluster[0].dts;
3177 mov->tracks[i].entry = 0;
3183 for (i = 0; i < mov->nb_streams; i++) {
3184 MOVTrack *track = &mov->tracks[i];
3185 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3186 track->data_offset = 0;
3188 track->data_offset = mdat_size;
3189 if (!track->mdat_buf)
3191 mdat_size += avio_tell(track->mdat_buf);
3192 if (first_track < 0)
3199 for (i = 0; i < mov->nb_streams; i++) {
3200 MOVTrack *track = &mov->tracks[i];
3201 int buf_size, write_moof = 1, moof_tracks = -1;
3203 int64_t duration = 0;
3206 duration = track->start_dts + track->track_duration -
3207 track->cluster[0].dts;
3208 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3209 if (!track->mdat_buf)
3211 mdat_size = avio_tell(track->mdat_buf);
3214 write_moof = i == first_track;
3220 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
3223 avio_wb32(s->pb, mdat_size + 8);
3224 ffio_wfourcc(s->pb, "mdat");
3228 track->frag_start += duration;
3230 if (!track->mdat_buf)
3232 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3233 track->mdat_buf = NULL;
3235 avio_write(s->pb, buf, buf_size);
3245 static int mov_auto_flush_fragment(AVFormatContext *s)
3247 MOVMuxContext *mov = s->priv_data;
3248 int had_moov = mov->moov_written;
3249 int ret = mov_flush_fragment(s);
3252 // If using delay_moov, the first flush only wrote the moov,
3253 // not the actual moof+mdat pair, thus flush once again.
3254 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3255 ret = mov_flush_fragment(s);
3259 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3261 MOVMuxContext *mov = s->priv_data;
3262 AVIOContext *pb = s->pb;
3263 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3264 AVCodecContext *enc = trk->enc;
3265 unsigned int samples_in_chunk = 0;
3266 int size = pkt->size, ret = 0;
3267 uint8_t *reformatted_data = NULL;
3269 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3271 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3272 if (!trk->mdat_buf) {
3273 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3278 if (!mov->mdat_buf) {
3279 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3286 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3287 /* We must find out how many AMR blocks there are in one packet */
3288 static uint16_t packed_size[16] =
3289 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3292 while (len < size && samples_in_chunk < 100) {
3293 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3296 if (samples_in_chunk > 1) {
3297 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3300 } else if (trk->sample_size)
3301 samples_in_chunk = size / trk->sample_size;
3303 samples_in_chunk = 1;
3305 /* copy extradata if it exists */
3306 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3307 trk->vos_len = enc->extradata_size;
3308 trk->vos_data = av_malloc(trk->vos_len);
3309 if (!trk->vos_data) {
3310 ret = AVERROR(ENOMEM);
3313 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3316 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3317 /* from x264 or from bytestream h264 */
3318 /* nal reformating needed */
3319 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3320 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3322 avio_write(pb, reformatted_data, size);
3324 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3326 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3327 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3328 /* extradata is Annex B, assume the bitstream is too and convert it */
3329 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3330 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3331 avio_write(pb, reformatted_data, size);
3333 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3336 avio_write(pb, pkt->data, size);
3339 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3340 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3341 /* copy frame to create needed atoms */
3342 trk->vos_len = size;
3343 trk->vos_data = av_malloc(size);
3344 if (!trk->vos_data) {
3345 ret = AVERROR(ENOMEM);
3348 memcpy(trk->vos_data, pkt->data, size);
3351 if (trk->entry >= trk->cluster_capacity) {
3352 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3353 if (av_reallocp_array(&trk->cluster, new_capacity,
3354 sizeof(*trk->cluster))) {
3355 ret = AVERROR(ENOMEM);
3358 trk->cluster_capacity = new_capacity;
3361 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3362 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3363 trk->cluster[trk->entry].size = size;
3364 trk->cluster[trk->entry].entries = samples_in_chunk;
3365 trk->cluster[trk->entry].dts = pkt->dts;
3366 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3367 if (!trk->frag_discont) {
3368 /* First packet of a new fragment. We already wrote the duration
3369 * of the last packet of the previous fragment based on track_duration,
3370 * which might not exactly match our dts. Therefore adjust the dts
3371 * of this packet to be what the previous packets duration implies. */
3372 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3373 /* We also may have written the pts and the corresponding duration
3374 * in sidx tags; make sure the sidx pts and duration match up with
3375 * the next fragment. This means the cts of the first sample must
3376 * be the same in all fragments. */
3377 pkt->pts = pkt->dts + trk->start_cts;
3379 /* New fragment, but discontinuous from previous fragments.
3380 * Pretend the duration sum of the earlier fragments is
3381 * pkt->dts - trk->start_dts. */
3382 trk->frag_start = pkt->dts - trk->start_dts;
3383 trk->frag_discont = 0;
3386 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
3387 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
3388 /* Not using edit lists and shifting the first track to start from zero.
3389 * If the other streams start from a later timestamp, we won't be able
3390 * to signal the difference in starting time without an edit list.
3391 * Thus move the timestamp for this first sample to 0, increasing
3392 * its duration instead. */
3393 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3395 if (trk->start_dts == AV_NOPTS_VALUE) {
3396 trk->start_dts = pkt->dts;
3397 if (trk->frag_discont) {
3398 /* Pretend the whole stream started at dts=0, with earlier fragments
3399 * already written, with a duration summing up to pkt->dts. */
3400 trk->frag_start = pkt->dts;
3402 trk->frag_discont = 0;
3403 } else if (pkt->dts && mov->moov_written)
3404 av_log(s, AV_LOG_WARNING,
3405 "Track %d starts with a nonzero dts %"PRId64", while the moov "
3406 "already has been written. Set the delay_moov flag to handle "
3408 pkt->stream_index, pkt->dts);
3410 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3412 if (pkt->pts == AV_NOPTS_VALUE) {
3413 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3414 pkt->pts = pkt->dts;
3416 if (pkt->dts != pkt->pts)
3417 trk->flags |= MOV_TRACK_CTTS;
3418 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3419 trk->cluster[trk->entry].flags = 0;
3420 if (trk->start_cts == AV_NOPTS_VALUE)
3421 trk->start_cts = pkt->pts - pkt->dts;
3423 if (enc->codec_id == AV_CODEC_ID_VC1) {
3424 mov_parse_vc1_frame(pkt, trk);
3425 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3426 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3427 trk->entry > 0) { // force sync sample for the first key frame
3428 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3429 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3430 trk->flags |= MOV_TRACK_STPS;
3432 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3434 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3435 trk->has_keyframes++;
3438 trk->sample_count += samples_in_chunk;
3439 mov->mdat_size += size;
3441 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3442 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3443 reformatted_data, size);
3446 av_free(reformatted_data);
3450 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3453 mov_flush_fragment(s);
3456 MOVMuxContext *mov = s->priv_data;
3457 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3458 AVCodecContext *enc = trk->enc;
3459 int64_t frag_duration = 0;
3460 int size = pkt->size;
3463 return 0; /* Discard 0 sized packets */
3465 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
3467 for (i = 0; i < s->nb_streams; i++)
3468 mov->tracks[i].frag_discont = 1;
3469 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
3473 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3474 s->streams[pkt->stream_index]->time_base,
3476 if ((mov->max_fragment_duration &&
3477 frag_duration >= mov->max_fragment_duration) ||
3478 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3479 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3480 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3481 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3482 if (frag_duration >= mov->min_fragment_duration)
3483 mov_auto_flush_fragment(s);
3486 return ff_mov_write_packet(s, pkt);
3490 // QuickTime chapters involve an additional text track with the chapter names
3491 // as samples, and a tref pointing from the other tracks to the chapter one.
3492 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3494 MOVMuxContext *mov = s->priv_data;
3495 MOVTrack *track = &mov->tracks[tracknum];
3496 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3498 // These properties are required to make QT recognize the chapter track
3499 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3501 track->mode = mov->mode;
3502 track->tag = MKTAG('t','e','x','t');
3503 track->timescale = MOV_TIMESCALE;
3504 track->enc = avcodec_alloc_context3(NULL);
3506 return AVERROR(ENOMEM);
3507 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3508 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3509 if (!track->enc->extradata)
3510 return AVERROR(ENOMEM);
3511 track->enc->extradata_size = sizeof(chapter_properties);
3512 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3514 for (i = 0; i < s->nb_chapters; i++) {
3515 AVChapter *c = s->chapters[i];
3516 AVDictionaryEntry *t;
3518 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3519 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3520 pkt.duration = end - pkt.dts;
3522 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3523 const char encd[12] = {
3524 0x00, 0x00, 0x00, 0x0C,
3526 0x00, 0x00, 0x01, 0x00 };
3527 len = strlen(t->value);
3528 pkt.size = len + 2 + 12;
3529 pkt.data = av_malloc(pkt.size);
3531 return AVERROR(ENOMEM);
3532 AV_WB16(pkt.data, len);
3533 memcpy(pkt.data + 2, t->value, len);
3534 memcpy(pkt.data + len + 2, encd, sizeof(encd));
3535 ff_mov_write_packet(s, &pkt);
3536 av_freep(&pkt.data);
3544 * st->disposition controls the "enabled" flag in the tkhd tag.
3545 * QuickTime will not play a track if it is not enabled. So make sure
3546 * that one track of each type (audio, video, subtitle) is enabled.
3548 * Subtitles are special. For audio and video, setting "enabled" also
3549 * makes the track "default" (i.e. it is rendered when played). For
3550 * subtitles, an "enabled" subtitle is not rendered by default, but
3551 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3554 static void enable_tracks(AVFormatContext *s)
3556 MOVMuxContext *mov = s->priv_data;
3558 int enabled[AVMEDIA_TYPE_NB];
3559 int first[AVMEDIA_TYPE_NB];
3561 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3566 for (i = 0; i < s->nb_streams; i++) {
3567 AVStream *st = s->streams[i];
3569 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3570 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3573 if (first[st->codec->codec_type] < 0)
3574 first[st->codec->codec_type] = i;
3575 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3576 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3577 enabled[st->codec->codec_type]++;
3581 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3583 case AVMEDIA_TYPE_VIDEO:
3584 case AVMEDIA_TYPE_AUDIO:
3585 case AVMEDIA_TYPE_SUBTITLE:
3587 mov->per_stream_grouping = 1;
3588 if (!enabled[i] && first[i] >= 0)
3589 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3595 static void mov_free(AVFormatContext *s)
3597 MOVMuxContext *mov = s->priv_data;
3600 if (mov->chapter_track) {
3601 if (mov->tracks[mov->chapter_track].enc)
3602 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3603 av_freep(&mov->tracks[mov->chapter_track].enc);
3606 for (i = 0; i < mov->nb_streams; i++) {
3607 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3608 ff_mov_close_hinting(&mov->tracks[i]);
3609 av_freep(&mov->tracks[i].cluster);
3610 av_freep(&mov->tracks[i].frag_info);
3612 if (mov->tracks[i].vos_len)
3613 av_free(mov->tracks[i].vos_data);
3616 av_freep(&mov->tracks);
3619 static uint32_t rgb_to_yuv(uint32_t rgb)
3624 r = (rgb >> 16) & 0xFF;
3625 g = (rgb >> 8) & 0xFF;
3628 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
3629 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
3630 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
3632 return (y << 16) | (cr << 8) | cb;
3635 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
3638 int i, width = 720, height = 480;
3639 int have_palette = 0, have_size = 0;
3640 uint32_t palette[16];
3641 char *cur = st->codec->extradata;
3643 while (cur && *cur) {
3644 if (strncmp("palette:", cur, 8) == 0) {
3646 count = sscanf(cur + 8,
3647 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3648 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3649 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3650 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
3651 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
3652 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
3653 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
3654 &palette[12], &palette[13], &palette[14], &palette[15]);
3656 for (i = 0; i < count; i++) {
3657 palette[i] = rgb_to_yuv(palette[i]);
3660 } else if (!strncmp("size:", cur, 5)) {
3661 sscanf(cur + 5, "%dx%d", &width, &height);
3664 if (have_palette && have_size)
3666 cur += strcspn(cur, "\n\r");
3667 cur += strspn(cur, "\n\r");
3670 track->vos_data = av_malloc(16*4);
3671 if (!track->vos_data)
3672 return AVERROR(ENOMEM);
3673 for (i = 0; i < 16; i++) {
3674 AV_WB32(track->vos_data + i * 4, palette[i]);
3676 track->vos_len = 16 * 4;
3678 st->codec->width = width;
3679 st->codec->height = track->height = height;
3684 static int mov_write_header(AVFormatContext *s)
3686 AVIOContext *pb = s->pb;
3687 MOVMuxContext *mov = s->priv_data;
3688 AVDictionaryEntry *t;
3689 int i, ret, hint_track = 0;
3693 /* Default mode == MP4 */
3694 mov->mode = MODE_MP4;
3697 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3698 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3699 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3700 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3701 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3702 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3703 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3706 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
3707 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
3709 /* Set the FRAGMENT flag if any of the fragmentation methods are
3711 if (mov->max_fragment_duration || mov->max_fragment_size ||
3712 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3713 FF_MOV_FLAG_FRAG_KEYFRAME |
3714 FF_MOV_FLAG_FRAG_CUSTOM))
3715 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3717 /* Set other implicit flags immediately */
3718 if (mov->mode == MODE_ISM)
3719 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3720 FF_MOV_FLAG_FRAGMENT;
3721 if (mov->flags & FF_MOV_FLAG_DASH)
3722 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
3723 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
3725 if (mov->use_editlist < 0) {
3726 mov->use_editlist = 1;
3727 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3728 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
3729 // If we can avoid needing an edit list by shifting the
3730 // tracks, prefer that over (trying to) write edit lists
3731 // in fragmented output.
3732 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
3733 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
3734 mov->use_editlist = 0;
3737 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
3738 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
3739 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
3741 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
3742 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
3744 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3745 * is enabled, we don't support non-seekable output at all. */
3746 if (!s->pb->seekable &&
3747 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3748 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3749 return AVERROR(EINVAL);
3753 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
3754 if ((ret = mov_write_identification(pb, s)) < 0)
3758 mov->nb_streams = s->nb_streams;
3759 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3760 mov->chapter_track = mov->nb_streams++;
3762 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3763 /* Add hint tracks for each audio and video stream */
3764 hint_track = mov->nb_streams;
3765 for (i = 0; i < s->nb_streams; i++) {
3766 AVStream *st = s->streams[i];
3767 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3768 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3774 // Reserve an extra stream for chapters for the case where chapters
3775 // are written in the trailer
3776 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3778 return AVERROR(ENOMEM);
3780 for (i = 0; i < s->nb_streams; i++) {
3781 AVStream *st= s->streams[i];
3782 MOVTrack *track= &mov->tracks[i];
3783 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3786 track->enc = st->codec;
3787 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3788 if (track->language < 0)
3789 track->language = 0;
3790 track->mode = mov->mode;
3791 track->tag = mov_find_codec_tag(s, track);
3793 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3794 "codec not currently supported in container\n", i);
3797 /* If hinting of this track is enabled by a later hint track,
3798 * this is updated. */
3799 track->hint_track = -1;
3800 track->start_dts = AV_NOPTS_VALUE;
3801 track->start_cts = AV_NOPTS_VALUE;
3802 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3803 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3804 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3805 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3806 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3807 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3810 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3812 track->timescale = st->time_base.den;
3813 if (track->mode == MODE_MOV && track->timescale > 100000)
3814 av_log(s, AV_LOG_WARNING,
3815 "WARNING codec timebase is very high. If duration is too long,\n"
3816 "file may not be playable by quicktime. Specify a shorter timebase\n"
3817 "or choose different container.\n");
3818 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3819 track->timescale = st->codec->sample_rate;
3820 /* set sample_size for PCM and ADPCM */
3821 if (av_get_bits_per_sample(st->codec->codec_id) ||
3822 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3823 if (!st->codec->block_align) {
3824 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3827 track->sample_size = st->codec->block_align;
3829 /* set audio_vbr for compressed audio */
3830 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3831 track->audio_vbr = 1;
3833 if (track->mode != MODE_MOV &&
3834 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3835 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3836 i, track->enc->sample_rate);
3839 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3840 track->timescale = st->time_base.den;
3841 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3842 track->timescale = st->time_base.den;
3845 track->height = st->codec->height;
3846 /* The ism specific timescale isn't mandatory, but is assumed by
3847 * some tools, such as mp4split. */
3848 if (mov->mode == MODE_ISM)
3849 track->timescale = 10000000;
3851 avpriv_set_pts_info(st, 64, 1, track->timescale);
3853 /* copy extradata if it exists */
3854 if (st->codec->extradata_size) {
3855 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
3856 mov_create_dvd_sub_decoder_specific_info(track, st);
3858 track->vos_len = st->codec->extradata_size;
3859 track->vos_data = av_malloc(track->vos_len);
3860 if (!track->vos_data)
3862 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3869 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3870 /* If no fragmentation options have been set, set a default. */
3871 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3872 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3873 !mov->max_fragment_duration && !mov->max_fragment_size)
3874 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3876 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3877 mov->reserved_moov_pos = avio_tell(pb);
3878 mov_write_mdat_tag(pb, mov);
3881 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3882 mov->time = ff_iso8601_to_unix_time(t->value);
3884 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3886 if (mov->chapter_track)
3887 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3890 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3891 /* Initialize the hint tracks for each audio and video stream */
3892 for (i = 0; i < s->nb_streams; i++) {
3893 AVStream *st = s->streams[i];
3894 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3895 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3896 ff_mov_init_hinting(s, hint_track, i);
3904 if (mov->flags & FF_MOV_FLAG_ISML)
3905 mov_write_isml_manifest(pb, mov);
3907 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
3908 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {