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 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
65 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
66 { "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},
67 { "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},
68 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
69 { "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},
70 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
71 { "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},
72 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
73 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
77 #define MOV_CLASS(flavor)\
78 static const AVClass flavor ## _muxer_class = {\
79 .class_name = #flavor " muxer",\
80 .item_name = av_default_item_name,\
82 .version = LIBAVUTIL_VERSION_INT,\
85 static int utf8len(const uint8_t *b)
90 GET_UTF8(val, *b++, return -1;)
96 //FIXME support 64 bit variant with wide placeholders
97 static int64_t update_size(AVIOContext *pb, int64_t pos)
99 int64_t curpos = avio_tell(pb);
100 avio_seek(pb, pos, SEEK_SET);
101 avio_wb32(pb, curpos - pos); /* rewrite size */
102 avio_seek(pb, curpos, SEEK_SET);
107 static int co64_required(const MOVTrack *track)
109 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
114 /* Chunk offset atom */
115 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
118 int mode64 = co64_required(track); // use 32 bit size variant if possible
119 int64_t pos = avio_tell(pb);
120 avio_wb32(pb, 0); /* size */
122 ffio_wfourcc(pb, "co64");
124 ffio_wfourcc(pb, "stco");
125 avio_wb32(pb, 0); /* version & flags */
126 avio_wb32(pb, track->entry); /* entry count */
127 for (i = 0; i < track->entry; i++) {
129 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
131 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
133 return update_size(pb, pos);
136 /* Sample size atom */
137 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
140 int i, j, entries = 0, tst = -1, oldtst = -1;
142 int64_t pos = avio_tell(pb);
143 avio_wb32(pb, 0); /* size */
144 ffio_wfourcc(pb, "stsz");
145 avio_wb32(pb, 0); /* version & flags */
147 for (i = 0; i < track->entry; i++) {
148 tst = track->cluster[i].size / track->cluster[i].entries;
149 if (oldtst != -1 && tst != oldtst)
152 entries += track->cluster[i].entries;
154 if (equalChunks && track->entry) {
155 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
156 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
157 avio_wb32(pb, sSize); // sample size
158 avio_wb32(pb, entries); // sample count
160 avio_wb32(pb, 0); // sample size
161 avio_wb32(pb, entries); // sample count
162 for (i = 0; i < track->entry; i++) {
163 for (j = 0; j < track->cluster[i].entries; j++) {
164 avio_wb32(pb, track->cluster[i].size /
165 track->cluster[i].entries);
169 return update_size(pb, pos);
172 /* Sample to chunk atom */
173 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
175 int index = 0, oldval = -1, i;
176 int64_t entryPos, curpos;
178 int64_t pos = avio_tell(pb);
179 avio_wb32(pb, 0); /* size */
180 ffio_wfourcc(pb, "stsc");
181 avio_wb32(pb, 0); // version & flags
182 entryPos = avio_tell(pb);
183 avio_wb32(pb, track->entry); // entry count
184 for (i = 0; i < track->entry; i++) {
185 if (oldval != track->cluster[i].samples_in_chunk) {
186 avio_wb32(pb, i + 1); // first chunk
187 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
188 avio_wb32(pb, 0x1); // sample description index
189 oldval = track->cluster[i].samples_in_chunk;
193 curpos = avio_tell(pb);
194 avio_seek(pb, entryPos, SEEK_SET);
195 avio_wb32(pb, index); // rewrite size
196 avio_seek(pb, curpos, SEEK_SET);
198 return update_size(pb, pos);
201 /* Sync sample atom */
202 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
204 int64_t curpos, entryPos;
206 int64_t pos = avio_tell(pb);
207 avio_wb32(pb, 0); // size
208 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
209 avio_wb32(pb, 0); // version & flags
210 entryPos = avio_tell(pb);
211 avio_wb32(pb, track->entry); // entry count
212 for (i = 0; i < track->entry; i++) {
213 if (track->cluster[i].flags & flag) {
214 avio_wb32(pb, i + 1);
218 curpos = avio_tell(pb);
219 avio_seek(pb, entryPos, SEEK_SET);
220 avio_wb32(pb, index); // rewrite size
221 avio_seek(pb, curpos, SEEK_SET);
222 return update_size(pb, pos);
225 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
227 avio_wb32(pb, 0x11); /* size */
228 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
229 else ffio_wfourcc(pb, "damr");
230 ffio_wfourcc(pb, "FFMP");
231 avio_w8(pb, 0); /* decoder version */
233 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
234 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
235 avio_w8(pb, 0x01); /* Frames per sample */
239 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
244 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
246 if (track->vos_len < 7)
250 ffio_wfourcc(pb, "dac3");
252 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
253 fscod = get_bits(&gbc, 2);
254 frmsizecod = get_bits(&gbc, 6);
255 bsid = get_bits(&gbc, 5);
256 bsmod = get_bits(&gbc, 3);
257 acmod = get_bits(&gbc, 3);
259 skip_bits(&gbc, 2); // dsurmod
261 if ((acmod & 1) && acmod != 1)
262 skip_bits(&gbc, 2); // cmixlev
264 skip_bits(&gbc, 2); // surmixlev
266 lfeon = get_bits1(&gbc);
268 init_put_bits(&pbc, buf, sizeof(buf));
269 put_bits(&pbc, 2, fscod);
270 put_bits(&pbc, 5, bsid);
271 put_bits(&pbc, 3, bsmod);
272 put_bits(&pbc, 3, acmod);
273 put_bits(&pbc, 1, lfeon);
274 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
275 put_bits(&pbc, 5, 0); // reserved
277 flush_put_bits(&pbc);
278 avio_write(pb, buf, sizeof(buf));
284 * This function writes extradata "as is".
285 * Extradata must be formatted like a valid atom (with size and tag).
287 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
289 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
290 return track->enc->extradata_size;
293 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
298 avio_w8(pb, (size >> (7 * i)) | 0x80);
299 avio_w8(pb, size & 0x7F);
302 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
304 int64_t pos = avio_tell(pb);
305 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
307 avio_wb32(pb, 0); // size
308 ffio_wfourcc(pb, "esds");
309 avio_wb32(pb, 0); // Version
312 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
313 avio_wb16(pb, track->track_id);
314 avio_w8(pb, 0x00); // flags (= no flags)
316 // DecoderConfig descriptor
317 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
319 // Object type indication
320 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
321 track->enc->codec_id == AV_CODEC_ID_MP3) &&
322 track->enc->sample_rate > 24000)
323 avio_w8(pb, 0x6B); // 11172-3
325 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
327 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
328 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
329 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
330 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
331 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
332 avio_w8(pb, 0x15); // flags (= Audiostream)
334 avio_w8(pb, 0x11); // flags (= Visualstream)
336 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
338 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
339 if (track->enc->rc_max_rate != track->enc->rc_min_rate ||
340 track->enc->rc_min_rate == 0)
341 avio_wb32(pb, 0); // vbr
343 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
345 if (track->vos_len) {
346 // DecoderSpecific info descriptor
347 put_descr(pb, 0x05, track->vos_len);
348 avio_write(pb, track->vos_data, track->vos_len);
352 put_descr(pb, 0x06, 1);
354 return update_size(pb, pos);
357 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
359 int64_t pos = avio_tell(pb);
361 avio_wl32(pb, track->tag); // store it byteswapped
362 track->enc->codec_tag = av_bswap16(track->tag >> 16);
363 ff_put_wav_header(pb, track->enc);
364 return update_size(pb, pos);
367 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
369 int64_t pos = avio_tell(pb);
371 ffio_wfourcc(pb, "wfex");
372 ff_put_wav_header(pb, track->enc);
373 return update_size(pb, pos);
376 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
378 uint32_t layout_tag, bitmap;
379 int64_t pos = avio_tell(pb);
381 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
382 track->enc->channel_layout,
385 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
386 "lack of channel information\n");
390 avio_wb32(pb, 0); // Size
391 ffio_wfourcc(pb, "chan"); // Type
392 avio_w8(pb, 0); // Version
393 avio_wb24(pb, 0); // Flags
394 avio_wb32(pb, layout_tag); // mChannelLayoutTag
395 avio_wb32(pb, bitmap); // mChannelBitmap
396 avio_wb32(pb, 0); // mNumberChannelDescriptions
398 return update_size(pb, pos);
401 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
403 int64_t pos = avio_tell(pb);
405 avio_wb32(pb, 0); /* size */
406 ffio_wfourcc(pb, "wave");
408 avio_wb32(pb, 12); /* size */
409 ffio_wfourcc(pb, "frma");
410 avio_wl32(pb, track->tag);
412 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
413 /* useless atom needed by mplayer, ipod, not needed by quicktime */
414 avio_wb32(pb, 12); /* size */
415 ffio_wfourcc(pb, "mp4a");
417 mov_write_esds_tag(pb, track);
418 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
419 mov_write_amr_tag(pb, track);
420 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
421 mov_write_ac3_tag(pb, track);
422 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
423 mov_write_extradata_tag(pb, track);
424 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
425 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
426 mov_write_ms_tag(pb, track);
429 avio_wb32(pb, 8); /* size */
430 avio_wb32(pb, 0); /* null tag */
432 return update_size(pb, pos);
435 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
438 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
439 int unescaped_size, seq_found = 0;
440 int level = 0, interlace = 0;
441 int packet_seq = track->vc1_info.packet_seq;
442 int packet_entry = track->vc1_info.packet_entry;
443 int slices = track->vc1_info.slices;
446 if (track->start_dts == AV_NOPTS_VALUE) {
447 /* No packets written yet, vc1_info isn't authoritative yet. */
448 /* Assume inline sequence and entry headers. This will be
449 * overwritten at the end if the file is seekable. */
450 packet_seq = packet_entry = 1;
453 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
455 return AVERROR(ENOMEM);
456 start = find_next_marker(track->vos_data, end);
457 for (next = start; next < end; start = next) {
460 next = find_next_marker(start + 4, end);
461 size = next - start - 4;
464 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
465 init_get_bits(&gb, unescaped, 8 * unescaped_size);
466 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
467 int profile = get_bits(&gb, 2);
468 if (profile != PROFILE_ADVANCED) {
470 return AVERROR(ENOSYS);
473 level = get_bits(&gb, 3);
474 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
476 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
477 skip_bits(&gb, 1); /* broadcast */
478 interlace = get_bits1(&gb);
479 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
484 return AVERROR(ENOSYS);
487 init_put_bits(&pbc, buf, 7);
488 /* VC1DecSpecStruc */
489 put_bits(&pbc, 4, 12); /* profile - advanced */
490 put_bits(&pbc, 3, level);
491 put_bits(&pbc, 1, 0); /* reserved */
492 /* VC1AdvDecSpecStruc */
493 put_bits(&pbc, 3, level);
494 put_bits(&pbc, 1, 0); /* cbr */
495 put_bits(&pbc, 6, 0); /* reserved */
496 put_bits(&pbc, 1, !interlace); /* no interlace */
497 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
498 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
499 put_bits(&pbc, 1, !slices); /* no slice code */
500 put_bits(&pbc, 1, 0); /* no bframe */
501 put_bits(&pbc, 1, 0); /* reserved */
504 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
505 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
507 put_bits32(&pbc, 0xffffffff);
509 flush_put_bits(&pbc);
516 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
518 uint8_t buf[7] = { 0 };
521 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
524 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
525 ffio_wfourcc(pb, "dvc1");
526 track->vc1_info.struct_offset = avio_tell(pb);
527 avio_write(pb, buf, sizeof(buf));
528 avio_write(pb, track->vos_data, track->vos_len);
533 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
535 avio_wb32(pb, track->vos_len + 8);
536 ffio_wfourcc(pb, "glbl");
537 avio_write(pb, track->vos_data, track->vos_len);
538 return 8 + track->vos_len;
542 * Compute flags for 'lpcm' tag.
543 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
545 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
548 case AV_CODEC_ID_PCM_F32BE:
549 case AV_CODEC_ID_PCM_F64BE:
551 case AV_CODEC_ID_PCM_F32LE:
552 case AV_CODEC_ID_PCM_F64LE:
554 case AV_CODEC_ID_PCM_U8:
556 case AV_CODEC_ID_PCM_S16BE:
557 case AV_CODEC_ID_PCM_S24BE:
558 case AV_CODEC_ID_PCM_S32BE:
560 case AV_CODEC_ID_PCM_S8:
561 case AV_CODEC_ID_PCM_S16LE:
562 case AV_CODEC_ID_PCM_S24LE:
563 case AV_CODEC_ID_PCM_S32LE:
570 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
574 if (cluster_idx >= track->entry)
577 if (cluster_idx + 1 == track->entry)
578 next_dts = track->track_duration + track->start_dts;
580 next_dts = track->cluster[cluster_idx + 1].dts;
582 return next_dts - track->cluster[cluster_idx].dts;
585 static int get_samples_per_packet(MOVTrack *track)
587 int i, first_duration;
589 /* use 1 for raw PCM */
590 if (!track->audio_vbr)
593 /* check to see if duration is constant for all clusters */
596 first_duration = get_cluster_duration(track, 0);
597 for (i = 1; i < track->entry; i++) {
598 if (get_cluster_duration(track, i) != first_duration)
601 return first_duration;
604 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
606 int64_t pos = avio_tell(pb);
608 uint32_t tag = track->tag;
610 if (track->mode == MODE_MOV) {
611 if (mov_get_lpcm_flags(track->enc->codec_id))
612 tag = AV_RL32("lpcm");
616 avio_wb32(pb, 0); /* size */
617 avio_wl32(pb, tag); // store it byteswapped
618 avio_wb32(pb, 0); /* Reserved */
619 avio_wb16(pb, 0); /* Reserved */
620 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
622 /* SoundDescription */
623 avio_wb16(pb, version); /* Version */
624 avio_wb16(pb, 0); /* Revision level */
625 avio_wb32(pb, 0); /* Reserved */
630 avio_wb16(pb, 0xfffe);
632 avio_wb32(pb, 0x00010000);
634 avio_wb64(pb, av_double2int(track->enc->sample_rate));
635 avio_wb32(pb, track->enc->channels);
636 avio_wb32(pb, 0x7F000000);
637 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
638 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
639 avio_wb32(pb, track->sample_size);
640 avio_wb32(pb, get_samples_per_packet(track));
642 /* reserved for mp4/3gp */
647 avio_wb16(pb, 0); /* packet size (= 0) */
648 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
649 track->enc->sample_rate : 0);
650 avio_wb16(pb, 0); /* Reserved */
653 if (track->mode == MODE_MOV &&
654 (track->enc->codec_id == AV_CODEC_ID_AAC ||
655 track->enc->codec_id == AV_CODEC_ID_AC3 ||
656 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
657 track->enc->codec_id == AV_CODEC_ID_ALAC ||
658 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
659 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
660 mov_write_wave_tag(pb, track);
661 else if (track->tag == MKTAG('m','p','4','a'))
662 mov_write_esds_tag(pb, track);
663 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
664 mov_write_amr_tag(pb, track);
665 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
666 mov_write_ac3_tag(pb, track);
667 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
668 mov_write_extradata_tag(pb, track);
669 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
670 mov_write_wfex_tag(pb, track);
671 else if (track->vos_len > 0)
672 mov_write_glbl_tag(pb, track);
674 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
675 mov_write_chan_tag(pb, track);
677 return update_size(pb, pos);
680 static int mov_write_d263_tag(AVIOContext *pb)
682 avio_wb32(pb, 0xf); /* size */
683 ffio_wfourcc(pb, "d263");
684 ffio_wfourcc(pb, "FFMP");
685 avio_w8(pb, 0); /* decoder version */
686 /* FIXME use AVCodecContext level/profile, when encoder will set values */
687 avio_w8(pb, 0xa); /* level */
688 avio_w8(pb, 0); /* profile */
692 /* TODO: No idea about these values */
693 static int mov_write_svq3_tag(AVIOContext *pb)
696 ffio_wfourcc(pb, "SMI ");
697 ffio_wfourcc(pb, "SEQH");
699 avio_wb32(pb, 0xe2c0211d);
700 avio_wb32(pb, 0xc0000000);
705 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
707 int64_t pos = avio_tell(pb);
710 ffio_wfourcc(pb, "avcC");
711 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
712 return update_size(pb, pos);
715 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
717 int64_t pos = avio_tell(pb);
720 ffio_wfourcc(pb, "hvcC");
721 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
722 return update_size(pb, pos);
725 /* also used by all avid codecs (dv, imx, meridien) and their variants */
726 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
729 avio_wb32(pb, 24); /* size */
730 ffio_wfourcc(pb, "ACLR");
731 ffio_wfourcc(pb, "ACLR");
732 ffio_wfourcc(pb, "0001");
733 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
734 avio_wb32(pb, 0); /* unknown */
736 avio_wb32(pb, 24); /* size */
737 ffio_wfourcc(pb, "APRG");
738 ffio_wfourcc(pb, "APRG");
739 ffio_wfourcc(pb, "0001");
740 avio_wb32(pb, 1); /* unknown */
741 avio_wb32(pb, 0); /* unknown */
743 avio_wb32(pb, 120); /* size */
744 ffio_wfourcc(pb, "ARES");
745 ffio_wfourcc(pb, "ARES");
746 ffio_wfourcc(pb, "0001");
747 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
748 avio_wb32(pb, track->enc->width);
749 /* values below are based on samples created with quicktime and avid codecs */
750 if (track->vos_data[5] & 2) { // interlaced
751 avio_wb32(pb, track->enc->height / 2);
752 avio_wb32(pb, 2); /* unknown */
753 avio_wb32(pb, 0); /* unknown */
754 avio_wb32(pb, 4); /* unknown */
756 avio_wb32(pb, track->enc->height);
757 avio_wb32(pb, 1); /* unknown */
758 avio_wb32(pb, 0); /* unknown */
759 if (track->enc->height == 1080)
760 avio_wb32(pb, 5); /* unknown */
762 avio_wb32(pb, 6); /* unknown */
765 for (i = 0; i < 10; i++)
768 /* extra padding for stsd needed */
773 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
775 int tag = track->enc->codec_tag;
777 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
780 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
781 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
782 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
783 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
784 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
785 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
786 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
787 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
788 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
793 static const AVCodecTag codec_ipod_tags[] = {
794 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
795 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
796 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
797 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
798 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
799 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
800 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
801 { AV_CODEC_ID_NONE, 0 },
804 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
806 int tag = track->enc->codec_tag;
808 // keep original tag for subs, ipod supports both formats
809 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
810 (tag == MKTAG('t', 'x', '3', 'g') ||
811 tag == MKTAG('t', 'e', 'x', 't'))))
812 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
814 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
815 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
816 "Quicktime/Ipod might not play the file\n");
821 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
825 if (track->enc->width == 720) /* SD */
826 if (track->enc->height == 480) /* NTSC */
827 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
828 else tag = MKTAG('d','v','c',' ');
829 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
830 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
831 else tag = MKTAG('d','v','p','p');
832 else if (track->enc->height == 720) /* HD 720 line */
833 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
834 else tag = MKTAG('d','v','h','p');
835 else if (track->enc->height == 1080) /* HD 1080 line */
836 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
837 else tag = MKTAG('d','v','h','6');
839 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
846 static const struct {
847 enum AVPixelFormat pix_fmt;
850 } mov_pix_fmt_tags[] = {
851 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
852 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
853 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
854 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
855 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
856 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
857 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
858 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
859 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
860 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
861 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
862 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
863 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
864 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
867 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
869 int tag = track->enc->codec_tag;
872 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
873 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
874 tag = mov_pix_fmt_tags[i].tag;
875 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
883 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
885 int tag = track->enc->codec_tag;
887 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
888 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
889 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
890 track->enc->codec_id == AV_CODEC_ID_H263 ||
891 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
892 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
893 tag = mov_get_dv_codec_tag(s, track);
894 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
895 tag = mov_get_rawvideo_codec_tag(s, track);
896 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
897 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
898 if (!tag) { // if no mac fcc found, try with Microsoft tags
899 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
901 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
902 "the file may be unplayable!\n");
904 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
905 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
906 if (!tag) { // if no mac fcc found, try with Microsoft tags
907 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
909 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
910 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
911 "the file may be unplayable!\n");
914 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
915 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
921 static const AVCodecTag codec_3gp_tags[] = {
922 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
923 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
924 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
925 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
926 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
927 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
928 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
929 { AV_CODEC_ID_NONE, 0 },
932 static const AVCodecTag codec_f4v_tags[] = {
933 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
934 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
935 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
936 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
937 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
938 { AV_CODEC_ID_NONE, 0 },
941 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
945 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
946 tag = mp4_get_codec_tag(s, track);
947 else if (track->mode == MODE_ISM) {
948 tag = mp4_get_codec_tag(s, track);
949 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
950 tag = MKTAG('w', 'm', 'a', ' ');
951 } else if (track->mode == MODE_IPOD)
952 tag = ipod_get_codec_tag(s, track);
953 else if (track->mode & MODE_3GP)
954 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
955 else if (track->mode == MODE_F4V)
956 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
958 tag = mov_get_codec_tag(s, track);
964 * Needed to make file play in iPods running newest firmware
965 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
967 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
970 ffio_wfourcc(pb, "uuid");
971 avio_wb32(pb, 0x6b6840f2);
972 avio_wb32(pb, 0x5f244fc5);
973 avio_wb32(pb, 0xba39a51b);
974 avio_wb32(pb, 0xcf0323f3);
979 static const uint16_t fiel_data[] = {
980 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
983 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
985 unsigned mov_field_order = 0;
986 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
987 mov_field_order = fiel_data[track->enc->field_order];
991 ffio_wfourcc(pb, "fiel");
992 avio_wb16(pb, mov_field_order);
996 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
998 int64_t pos = avio_tell(pb);
999 avio_wb32(pb, 0); /* size */
1000 avio_wl32(pb, track->tag); // store it byteswapped
1001 avio_wb32(pb, 0); /* Reserved */
1002 avio_wb16(pb, 0); /* Reserved */
1003 avio_wb16(pb, 1); /* Data-reference index */
1005 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1006 mov_write_esds_tag(pb, track);
1007 else if (track->enc->extradata_size)
1008 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1010 return update_size(pb, pos);
1013 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1016 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1017 track->enc->sample_aspect_ratio.den, INT_MAX);
1020 ffio_wfourcc(pb, "pasp");
1021 avio_wb32(pb, sar.num);
1022 avio_wb32(pb, sar.den);
1026 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1028 AVDictionaryEntry *encoder;
1029 int64_t pos = avio_tell(pb);
1030 char compressor_name[32] = { 0 };
1032 avio_wb32(pb, 0); /* size */
1033 avio_wl32(pb, track->tag); // store it byteswapped
1034 avio_wb32(pb, 0); /* Reserved */
1035 avio_wb16(pb, 0); /* Reserved */
1036 avio_wb16(pb, 1); /* Data-reference index */
1038 avio_wb16(pb, 0); /* Codec stream version */
1039 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1040 if (track->mode == MODE_MOV) {
1041 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1042 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1043 avio_wb32(pb, 0); /* Temporal Quality */
1044 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1046 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1047 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1050 avio_wb32(pb, 0); /* Reserved */
1051 avio_wb32(pb, 0); /* Reserved */
1052 avio_wb32(pb, 0); /* Reserved */
1054 avio_wb16(pb, track->enc->width); /* Video width */
1055 avio_wb16(pb, track->height); /* Video height */
1056 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1057 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1058 avio_wb32(pb, 0); /* Data size (= 0) */
1059 avio_wb16(pb, 1); /* Frame count (= 1) */
1061 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1062 if (track->mode == MODE_MOV &&
1063 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0)))
1064 av_strlcpy(compressor_name, encoder->value, 32);
1065 avio_w8(pb, strlen(compressor_name));
1066 avio_write(pb, compressor_name, 31);
1068 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1069 avio_wb16(pb, track->enc->bits_per_coded_sample);
1071 avio_wb16(pb, 0x18); /* Reserved */
1072 avio_wb16(pb, 0xffff); /* Reserved */
1073 if (track->tag == MKTAG('m','p','4','v'))
1074 mov_write_esds_tag(pb, track);
1075 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1076 mov_write_d263_tag(pb);
1077 else if (track->enc->codec_id == AV_CODEC_ID_SVQ3)
1078 mov_write_svq3_tag(pb);
1079 else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1080 mov_write_avid_tag(pb, track);
1081 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1082 mov_write_hvcc_tag(pb, track);
1083 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1084 mov_write_avcc_tag(pb, track);
1085 if (track->mode == MODE_IPOD)
1086 mov_write_uuid_tag_ipod(pb);
1087 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1088 mov_write_fiel_tag(pb, track);
1089 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1090 mov_write_dvc1_tag(pb, track);
1091 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1092 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1093 /* Don't write any potential extradata here - the cropping
1094 * is signalled via the normal width/height fields. */
1095 } else if (track->vos_len > 0)
1096 mov_write_glbl_tag(pb, track);
1098 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1099 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1100 mov_write_pasp_tag(pb, track);
1103 return update_size(pb, pos);
1106 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1108 int64_t pos = avio_tell(pb);
1109 avio_wb32(pb, 0); /* size */
1110 ffio_wfourcc(pb, "rtp ");
1111 avio_wb32(pb, 0); /* Reserved */
1112 avio_wb16(pb, 0); /* Reserved */
1113 avio_wb16(pb, 1); /* Data-reference index */
1115 avio_wb16(pb, 1); /* Hint track version */
1116 avio_wb16(pb, 1); /* Highest compatible version */
1117 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1119 avio_wb32(pb, 12); /* size */
1120 ffio_wfourcc(pb, "tims");
1121 avio_wb32(pb, track->timescale);
1123 return update_size(pb, pos);
1126 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1128 int64_t pos = avio_tell(pb);
1130 avio_wb32(pb, 0); /* size */
1131 ffio_wfourcc(pb, "tmcd"); /* Data format */
1132 avio_wb32(pb, 0); /* Reserved */
1133 avio_wb32(pb, 1); /* Data reference index */
1134 if (track->enc->extradata_size)
1135 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1136 return update_size(pb, pos);
1139 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1141 int64_t pos = avio_tell(pb);
1142 avio_wb32(pb, 0); /* size */
1143 ffio_wfourcc(pb, "stsd");
1144 avio_wb32(pb, 0); /* version & flags */
1145 avio_wb32(pb, 1); /* entry count */
1146 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1147 mov_write_video_tag(pb, track);
1148 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1149 mov_write_audio_tag(pb, track);
1150 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1151 mov_write_subtitle_tag(pb, track);
1152 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1153 mov_write_rtp_tag(pb, track);
1154 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1155 mov_write_tmcd_tag(pb, track);
1156 return update_size(pb, pos);
1159 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1161 MOVStts *ctts_entries;
1162 uint32_t entries = 0;
1166 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1167 ctts_entries[0].count = 1;
1168 ctts_entries[0].duration = track->cluster[0].cts;
1169 for (i = 1; i < track->entry; i++) {
1170 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1171 ctts_entries[entries].count++; /* compress */
1174 ctts_entries[entries].duration = track->cluster[i].cts;
1175 ctts_entries[entries].count = 1;
1178 entries++; /* last one */
1179 atom_size = 16 + (entries * 8);
1180 avio_wb32(pb, atom_size); /* size */
1181 ffio_wfourcc(pb, "ctts");
1182 avio_wb32(pb, 0); /* version & flags */
1183 avio_wb32(pb, entries); /* entry count */
1184 for (i = 0; i < entries; i++) {
1185 avio_wb32(pb, ctts_entries[i].count);
1186 avio_wb32(pb, ctts_entries[i].duration);
1188 av_free(ctts_entries);
1192 /* Time to sample atom */
1193 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1195 MOVStts *stts_entries;
1196 uint32_t entries = -1;
1200 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1201 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1202 stts_entries[0].count = track->sample_count;
1203 stts_entries[0].duration = 1;
1206 stts_entries = track->entry ?
1207 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1209 for (i = 0; i < track->entry; i++) {
1210 int duration = get_cluster_duration(track, i);
1211 if (i && duration == stts_entries[entries].duration) {
1212 stts_entries[entries].count++; /* compress */
1215 stts_entries[entries].duration = duration;
1216 stts_entries[entries].count = 1;
1219 entries++; /* last one */
1221 atom_size = 16 + (entries * 8);
1222 avio_wb32(pb, atom_size); /* size */
1223 ffio_wfourcc(pb, "stts");
1224 avio_wb32(pb, 0); /* version & flags */
1225 avio_wb32(pb, entries); /* entry count */
1226 for (i = 0; i < entries; i++) {
1227 avio_wb32(pb, stts_entries[i].count);
1228 avio_wb32(pb, stts_entries[i].duration);
1230 av_free(stts_entries);
1234 static int mov_write_dref_tag(AVIOContext *pb)
1236 avio_wb32(pb, 28); /* size */
1237 ffio_wfourcc(pb, "dref");
1238 avio_wb32(pb, 0); /* version & flags */
1239 avio_wb32(pb, 1); /* entry count */
1241 avio_wb32(pb, 0xc); /* size */
1242 ffio_wfourcc(pb, "url ");
1243 avio_wb32(pb, 1); /* version & flags */
1248 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1250 int64_t pos = avio_tell(pb);
1251 avio_wb32(pb, 0); /* size */
1252 ffio_wfourcc(pb, "stbl");
1253 mov_write_stsd_tag(pb, track);
1254 mov_write_stts_tag(pb, track);
1255 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1256 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1257 track->has_keyframes && track->has_keyframes < track->entry)
1258 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1259 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1260 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1261 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1262 track->flags & MOV_TRACK_CTTS)
1263 mov_write_ctts_tag(pb, track);
1264 mov_write_stsc_tag(pb, track);
1265 mov_write_stsz_tag(pb, track);
1266 mov_write_stco_tag(pb, track);
1267 return update_size(pb, pos);
1270 static int mov_write_dinf_tag(AVIOContext *pb)
1272 int64_t pos = avio_tell(pb);
1273 avio_wb32(pb, 0); /* size */
1274 ffio_wfourcc(pb, "dinf");
1275 mov_write_dref_tag(pb);
1276 return update_size(pb, pos);
1279 static int mov_write_nmhd_tag(AVIOContext *pb)
1282 ffio_wfourcc(pb, "nmhd");
1287 static int mov_write_gmhd_tag(AVIOContext *pb)
1289 avio_wb32(pb, 0x20); /* size */
1290 ffio_wfourcc(pb, "gmhd");
1291 avio_wb32(pb, 0x18); /* gmin size */
1292 ffio_wfourcc(pb, "gmin");/* generic media info */
1293 avio_wb32(pb, 0); /* version & flags */
1294 avio_wb16(pb, 0x40); /* graphics mode = */
1295 avio_wb16(pb, 0x8000); /* opColor (r?) */
1296 avio_wb16(pb, 0x8000); /* opColor (g?) */
1297 avio_wb16(pb, 0x8000); /* opColor (b?) */
1298 avio_wb16(pb, 0); /* balance */
1299 avio_wb16(pb, 0); /* reserved */
1303 static int mov_write_smhd_tag(AVIOContext *pb)
1305 avio_wb32(pb, 16); /* size */
1306 ffio_wfourcc(pb, "smhd");
1307 avio_wb32(pb, 0); /* version & flags */
1308 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1309 avio_wb16(pb, 0); /* reserved */
1313 static int mov_write_vmhd_tag(AVIOContext *pb)
1315 avio_wb32(pb, 0x14); /* size (always 0x14) */
1316 ffio_wfourcc(pb, "vmhd");
1317 avio_wb32(pb, 0x01); /* version & flags */
1318 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1322 static int is_clcp_track(MOVTrack *track)
1324 return track->tag == MKTAG('c','7','0','8') ||
1325 track->tag == MKTAG('c','6','0','8');
1328 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1330 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1331 int64_t pos = avio_tell(pb);
1335 descr = "DataHandler";
1338 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1339 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1341 descr = "VideoHandler";
1342 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1344 descr = "SoundHandler";
1345 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1346 if (track->tag == MKTAG('t','x','3','g')) {
1348 } else if (track->tag == MKTAG('m','p','4','s')) {
1350 } else if (is_clcp_track(track)) {
1355 descr = "SubtitleHandler";
1356 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1358 descr = "HintHandler";
1359 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1361 descr = "TimeCodeHandler";
1364 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1365 track->enc->codec_tag);
1367 av_log(track->enc, AV_LOG_WARNING,
1368 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1369 tag_buf, track->enc->codec_tag);
1372 // hdlr.name is used by some players to identify the content title
1373 // of the track. So if an alternate handler description is
1374 // specified, use it.
1375 AVDictionaryEntry *t;
1376 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1377 if (t && utf8len(t->value))
1382 avio_wb32(pb, 0); /* size */
1383 ffio_wfourcc(pb, "hdlr");
1384 avio_wb32(pb, 0); /* Version & flags */
1385 avio_write(pb, hdlr, 4); /* handler */
1386 ffio_wfourcc(pb, hdlr_type); /* handler type */
1387 avio_wb32(pb, 0); /* reserved */
1388 avio_wb32(pb, 0); /* reserved */
1389 avio_wb32(pb, 0); /* reserved */
1390 if (!track || track->mode == MODE_MOV)
1391 avio_w8(pb, strlen(descr)); /* pascal string */
1392 avio_write(pb, descr, strlen(descr)); /* handler description */
1393 if (track && track->mode != MODE_MOV)
1394 avio_w8(pb, 0); /* c string */
1395 return update_size(pb, pos);
1398 static int mov_write_hmhd_tag(AVIOContext *pb)
1400 /* This atom must be present, but leaving the values at zero
1401 * seems harmless. */
1402 avio_wb32(pb, 28); /* size */
1403 ffio_wfourcc(pb, "hmhd");
1404 avio_wb32(pb, 0); /* version, flags */
1405 avio_wb16(pb, 0); /* maxPDUsize */
1406 avio_wb16(pb, 0); /* avgPDUsize */
1407 avio_wb32(pb, 0); /* maxbitrate */
1408 avio_wb32(pb, 0); /* avgbitrate */
1409 avio_wb32(pb, 0); /* reserved */
1413 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1415 int64_t pos = avio_tell(pb);
1416 avio_wb32(pb, 0); /* size */
1417 ffio_wfourcc(pb, "minf");
1418 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1419 mov_write_vmhd_tag(pb);
1420 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1421 mov_write_smhd_tag(pb);
1422 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1423 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1424 mov_write_gmhd_tag(pb);
1426 mov_write_nmhd_tag(pb);
1428 } else if (track->tag == MKTAG('r','t','p',' ')) {
1429 mov_write_hmhd_tag(pb);
1430 } else if (track->tag == MKTAG('t','m','c','d')) {
1431 mov_write_gmhd_tag(pb);
1433 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1434 mov_write_hdlr_tag(pb, NULL);
1435 mov_write_dinf_tag(pb);
1436 mov_write_stbl_tag(pb, track);
1437 return update_size(pb, pos);
1440 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1443 int version = track->track_duration < INT32_MAX ? 0 : 1;
1445 if (track->mode == MODE_ISM)
1448 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1449 ffio_wfourcc(pb, "mdhd");
1450 avio_w8(pb, version);
1451 avio_wb24(pb, 0); /* flags */
1453 avio_wb64(pb, track->time);
1454 avio_wb64(pb, track->time);
1456 avio_wb32(pb, track->time); /* creation time */
1457 avio_wb32(pb, track->time); /* modification time */
1459 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1460 if (!track->entry && mov->mode == MODE_ISM)
1461 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1462 else if (!track->entry)
1463 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
1465 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1466 avio_wb16(pb, track->language); /* language */
1467 avio_wb16(pb, 0); /* reserved (quality) */
1469 if (version != 0 && track->mode == MODE_MOV) {
1470 av_log(NULL, AV_LOG_ERROR,
1471 "FATAL error, file duration too long for timebase, this file will not be\n"
1472 "playable with quicktime. Choose a different timebase or a different\n"
1473 "container format\n");
1479 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
1482 int64_t pos = avio_tell(pb);
1483 avio_wb32(pb, 0); /* size */
1484 ffio_wfourcc(pb, "mdia");
1485 mov_write_mdhd_tag(pb, mov, track);
1486 mov_write_hdlr_tag(pb, track);
1487 mov_write_minf_tag(pb, track);
1488 return update_size(pb, pos);
1491 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1492 MOVTrack *track, AVStream *st)
1494 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1495 track->timescale, AV_ROUND_UP);
1496 int version = duration < INT32_MAX ? 0 : 1;
1497 int flags = MOV_TKHD_FLAG_IN_MOVIE;
1502 if (mov->per_stream_grouping)
1505 group = st->codec->codec_type;
1508 if (track->flags & MOV_TRACK_ENABLED)
1509 flags |= MOV_TKHD_FLAG_ENABLED;
1511 if (track->mode == MODE_ISM)
1514 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1515 ffio_wfourcc(pb, "tkhd");
1516 avio_w8(pb, version);
1517 avio_wb24(pb, flags);
1519 avio_wb64(pb, track->time);
1520 avio_wb64(pb, track->time);
1522 avio_wb32(pb, track->time); /* creation time */
1523 avio_wb32(pb, track->time); /* modification time */
1525 avio_wb32(pb, track->track_id); /* track-id */
1526 avio_wb32(pb, 0); /* reserved */
1527 if (!track->entry && mov->mode == MODE_ISM)
1528 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1529 else if (!track->entry)
1530 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
1532 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1534 avio_wb32(pb, 0); /* reserved */
1535 avio_wb32(pb, 0); /* reserved */
1536 avio_wb16(pb, 0); /* layer */
1537 avio_wb16(pb, group); /* alternate group) */
1538 /* Volume, only for audio */
1539 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1540 avio_wb16(pb, 0x0100);
1543 avio_wb16(pb, 0); /* reserved */
1545 /* Matrix structure */
1546 avio_wb32(pb, 0x00010000); /* reserved */
1547 avio_wb32(pb, 0x0); /* reserved */
1548 avio_wb32(pb, 0x0); /* reserved */
1549 avio_wb32(pb, 0x0); /* reserved */
1550 avio_wb32(pb, 0x00010000); /* reserved */
1551 avio_wb32(pb, 0x0); /* reserved */
1552 avio_wb32(pb, 0x0); /* reserved */
1553 avio_wb32(pb, 0x0); /* reserved */
1554 avio_wb32(pb, 0x40000000); /* reserved */
1556 /* Track width and height, for visual only */
1557 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1558 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1559 if (track->mode == MODE_MOV) {
1560 avio_wb32(pb, track->enc->width << 16);
1561 avio_wb32(pb, track->height << 16);
1563 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1564 if (!sample_aspect_ratio || track->height != track->enc->height)
1565 sample_aspect_ratio = 1;
1566 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1567 avio_wb32(pb, track->height * 0x10000);
1576 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1578 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1579 track->enc->sample_aspect_ratio.den);
1581 int64_t pos = avio_tell(pb);
1583 avio_wb32(pb, 0); /* size */
1584 ffio_wfourcc(pb, "tapt");
1587 ffio_wfourcc(pb, "clef");
1589 avio_wb32(pb, width << 16);
1590 avio_wb32(pb, track->enc->height << 16);
1593 ffio_wfourcc(pb, "prof");
1595 avio_wb32(pb, width << 16);
1596 avio_wb32(pb, track->enc->height << 16);
1599 ffio_wfourcc(pb, "enof");
1601 avio_wb32(pb, track->enc->width << 16);
1602 avio_wb32(pb, track->enc->height << 16);
1604 return update_size(pb, pos);
1607 // This box seems important for the psp playback ... without it the movie seems to hang
1608 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
1611 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1612 track->timescale, AV_ROUND_UP);
1613 int version = duration < INT32_MAX ? 0 : 1;
1614 int entry_size, entry_count, size;
1615 int64_t delay, start_ct = track->cluster[0].cts;
1616 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1617 track->timescale, AV_ROUND_DOWN);
1618 version |= delay < INT32_MAX ? 0 : 1;
1620 entry_size = (version == 1) ? 20 : 12;
1621 entry_count = 1 + (delay > 0);
1622 size = 24 + entry_count * entry_size;
1624 /* write the atom data */
1625 avio_wb32(pb, size);
1626 ffio_wfourcc(pb, "edts");
1627 avio_wb32(pb, size - 8);
1628 ffio_wfourcc(pb, "elst");
1629 avio_w8(pb, version);
1630 avio_wb24(pb, 0); /* flags */
1632 avio_wb32(pb, entry_count);
1633 if (delay > 0) { /* add an empty edit to delay presentation */
1634 /* In the positive delay case, the delay includes the cts
1635 * offset, and the second edit list entry below trims out
1636 * the same amount from the actual content. This makes sure
1637 * that the offsetted last sample is included in the edit
1638 * list duration as well. */
1640 avio_wb64(pb, delay);
1643 avio_wb32(pb, delay);
1646 avio_wb32(pb, 0x00010000);
1648 /* Avoid accidentally ending up with start_ct = -1 which has got a
1649 * special meaning. Normally start_ct should end up positive or zero
1650 * here, but use FFMIN in case dts is a a small positive integer
1651 * rounded to 0 when represented in MOV_TIMESCALE units. */
1652 start_ct = -FFMIN(track->cluster[0].dts, 0);
1653 /* Note, this delay is calculated from the pts of the first sample,
1654 * ensuring that we don't reduce the duration for cases with
1659 /* For fragmented files, we don't know the full length yet. Setting
1660 * duration to 0 allows us to only specify the offset, including
1661 * the rest of the content (from all future fragments) without specifying
1662 * an explicit duration. */
1663 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
1668 avio_wb64(pb, duration);
1669 avio_wb64(pb, start_ct);
1671 avio_wb32(pb, duration);
1672 avio_wb32(pb, start_ct);
1674 avio_wb32(pb, 0x00010000);
1678 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1680 avio_wb32(pb, 20); // size
1681 ffio_wfourcc(pb, "tref");
1682 avio_wb32(pb, 12); // size (subatom)
1683 avio_wl32(pb, track->tref_tag);
1684 avio_wb32(pb, track->tref_id);
1688 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1689 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1691 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1692 ffio_wfourcc(pb, "uuid");
1693 ffio_wfourcc(pb, "USMT");
1694 avio_wb32(pb, 0x21d24fce);
1695 avio_wb32(pb, 0xbb88695c);
1696 avio_wb32(pb, 0xfac9c740);
1697 avio_wb32(pb, 0x1c); // another size here!
1698 ffio_wfourcc(pb, "MTDT");
1699 avio_wb32(pb, 0x00010012);
1700 avio_wb32(pb, 0x0a);
1701 avio_wb32(pb, 0x55c40000);
1707 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1709 AVFormatContext *ctx = track->rtp_ctx;
1710 char buf[1000] = "";
1713 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1714 NULL, NULL, 0, 0, ctx);
1715 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1718 avio_wb32(pb, len + 24);
1719 ffio_wfourcc(pb, "udta");
1720 avio_wb32(pb, len + 16);
1721 ffio_wfourcc(pb, "hnti");
1722 avio_wb32(pb, len + 8);
1723 ffio_wfourcc(pb, "sdp ");
1724 avio_write(pb, buf, len);
1728 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
1729 const char *tag, const char *str)
1731 int64_t pos = avio_tell(pb);
1732 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
1733 if (!t || !utf8len(t->value))
1736 avio_wb32(pb, 0); /* size */
1737 ffio_wfourcc(pb, tag); /* type */
1738 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
1739 return update_size(pb, pos);
1742 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1745 AVIOContext *pb_buf;
1749 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
1752 ret = avio_open_dyn_buf(&pb_buf);
1756 if (mov->mode & MODE_MP4)
1757 mov_write_track_metadata(pb_buf, st, "name", "title");
1759 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1760 avio_wb32(pb, size + 8);
1761 ffio_wfourcc(pb, "udta");
1762 avio_write(pb, buf, size);
1769 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1770 MOVTrack *track, AVStream *st)
1772 int64_t pos = avio_tell(pb);
1773 avio_wb32(pb, 0); /* size */
1774 ffio_wfourcc(pb, "trak");
1775 mov_write_tkhd_tag(pb, mov, track, st);
1777 (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1778 track->cluster[0].dts || is_clcp_track(track))) {
1779 if (mov->use_editlist)
1780 mov_write_edts_tag(pb, mov, track); // PSP Movies require edts box
1781 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
1782 av_log(mov->fc, AV_LOG_WARNING,
1783 "Not writing any edit list even though one would have been required\n");
1785 if (track->tref_tag)
1786 mov_write_tref_tag(pb, track);
1787 mov_write_mdia_tag(pb, mov, track);
1788 if (track->mode == MODE_PSP)
1789 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1790 if (track->tag == MKTAG('r','t','p',' '))
1791 mov_write_udta_sdp(pb, track);
1792 if (track->mode == MODE_MOV) {
1793 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1794 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1795 if ((0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)) {
1796 mov_write_tapt_tag(pb, track);
1799 if (is_clcp_track(track)) {
1800 mov_write_tapt_tag(pb, track);
1803 mov_write_track_udta_tag(pb, mov, st);
1804 return update_size(pb, pos);
1807 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1809 int i, has_audio = 0, has_video = 0;
1810 int64_t pos = avio_tell(pb);
1811 int audio_profile = mov->iods_audio_profile;
1812 int video_profile = mov->iods_video_profile;
1813 for (i = 0; i < mov->nb_streams; i++) {
1814 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
1815 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1816 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1819 if (audio_profile < 0)
1820 audio_profile = 0xFF - has_audio;
1821 if (video_profile < 0)
1822 video_profile = 0xFF - has_video;
1823 avio_wb32(pb, 0x0); /* size */
1824 ffio_wfourcc(pb, "iods");
1825 avio_wb32(pb, 0); /* version & flags */
1826 put_descr(pb, 0x10, 7);
1827 avio_wb16(pb, 0x004f);
1830 avio_w8(pb, audio_profile);
1831 avio_w8(pb, video_profile);
1833 return update_size(pb, pos);
1836 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1838 avio_wb32(pb, 0x20); /* size */
1839 ffio_wfourcc(pb, "trex");
1840 avio_wb32(pb, 0); /* version & flags */
1841 avio_wb32(pb, track->track_id); /* track ID */
1842 avio_wb32(pb, 1); /* default sample description index */
1843 avio_wb32(pb, 0); /* default sample duration */
1844 avio_wb32(pb, 0); /* default sample size */
1845 avio_wb32(pb, 0); /* default sample flags */
1849 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1851 int64_t pos = avio_tell(pb);
1853 avio_wb32(pb, 0x0); /* size */
1854 ffio_wfourcc(pb, "mvex");
1855 for (i = 0; i < mov->nb_streams; i++)
1856 mov_write_trex_tag(pb, &mov->tracks[i]);
1857 return update_size(pb, pos);
1860 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1862 int max_track_id = 1, i;
1863 int64_t max_track_len_temp, max_track_len = 0;
1866 for (i = 0; i < mov->nb_streams; i++) {
1867 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1868 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1870 mov->tracks[i].timescale,
1872 if (max_track_len < max_track_len_temp)
1873 max_track_len = max_track_len_temp;
1874 if (max_track_id < mov->tracks[i].track_id)
1875 max_track_id = mov->tracks[i].track_id;
1879 version = max_track_len < UINT32_MAX ? 0 : 1;
1880 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1881 ffio_wfourcc(pb, "mvhd");
1882 avio_w8(pb, version);
1883 avio_wb24(pb, 0); /* flags */
1885 avio_wb64(pb, mov->time);
1886 avio_wb64(pb, mov->time);
1888 avio_wb32(pb, mov->time); /* creation time */
1889 avio_wb32(pb, mov->time); /* modification time */
1891 avio_wb32(pb, MOV_TIMESCALE);
1892 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1894 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1895 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1896 avio_wb16(pb, 0); /* reserved */
1897 avio_wb32(pb, 0); /* reserved */
1898 avio_wb32(pb, 0); /* reserved */
1900 /* Matrix structure */
1901 avio_wb32(pb, 0x00010000); /* reserved */
1902 avio_wb32(pb, 0x0); /* reserved */
1903 avio_wb32(pb, 0x0); /* reserved */
1904 avio_wb32(pb, 0x0); /* reserved */
1905 avio_wb32(pb, 0x00010000); /* reserved */
1906 avio_wb32(pb, 0x0); /* reserved */
1907 avio_wb32(pb, 0x0); /* reserved */
1908 avio_wb32(pb, 0x0); /* reserved */
1909 avio_wb32(pb, 0x40000000); /* reserved */
1911 avio_wb32(pb, 0); /* reserved (preview time) */
1912 avio_wb32(pb, 0); /* reserved (preview duration) */
1913 avio_wb32(pb, 0); /* reserved (poster time) */
1914 avio_wb32(pb, 0); /* reserved (selection time) */
1915 avio_wb32(pb, 0); /* reserved (selection duration) */
1916 avio_wb32(pb, 0); /* reserved (current time) */
1917 avio_wb32(pb, max_track_id + 1); /* Next track id */
1921 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1924 avio_wb32(pb, 33); /* size */
1925 ffio_wfourcc(pb, "hdlr");
1928 ffio_wfourcc(pb, "mdir");
1929 ffio_wfourcc(pb, "appl");
1936 /* helper function to write a data tag with the specified string as data */
1937 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1940 int size = 16 + strlen(data);
1941 avio_wb32(pb, size); /* size */
1942 ffio_wfourcc(pb, "data");
1945 avio_write(pb, data, strlen(data));
1949 lang = ff_mov_iso639_to_lang("und", 1);
1950 avio_wb16(pb, strlen(data)); /* string length */
1951 avio_wb16(pb, lang);
1952 avio_write(pb, data, strlen(data));
1953 return strlen(data) + 4;
1957 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1958 const char *value, int lang, int long_style)
1961 if (value && value[0]) {
1962 int64_t pos = avio_tell(pb);
1963 avio_wb32(pb, 0); /* size */
1964 ffio_wfourcc(pb, name);
1965 mov_write_string_data_tag(pb, value, lang, long_style);
1966 size = update_size(pb, pos);
1971 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1972 const char *name, const char *tag,
1975 int l, lang = 0, len, len2;
1976 AVDictionaryEntry *t, *t2 = NULL;
1979 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1982 len = strlen(t->key);
1983 snprintf(tag2, sizeof(tag2), "%s-", tag);
1984 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1985 len2 = strlen(t2->key);
1986 if (len2 == len + 4 && !strcmp(t->value, t2->value)
1987 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
1992 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1995 /* iTunes track number */
1996 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1999 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2000 int size = 0, track = t ? atoi(t->value) : 0;
2002 avio_wb32(pb, 32); /* size */
2003 ffio_wfourcc(pb, "trkn");
2004 avio_wb32(pb, 24); /* size */
2005 ffio_wfourcc(pb, "data");
2006 avio_wb32(pb, 0); // 8 bytes empty
2008 avio_wb16(pb, 0); // empty
2009 avio_wb16(pb, track); // track number
2010 avio_wb16(pb, 0); // total track number
2011 avio_wb16(pb, 0); // empty
2017 /* iTunes meta data list */
2018 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2021 int64_t pos = avio_tell(pb);
2022 avio_wb32(pb, 0); /* size */
2023 ffio_wfourcc(pb, "ilst");
2024 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2025 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2026 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2027 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2028 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2029 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2030 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2031 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2032 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2033 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2034 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2035 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2036 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2037 mov_write_string_metadata(s, pb, "desc", "description",1);
2038 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2039 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2040 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2041 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2042 mov_write_trkn_tag(pb, mov, s);
2043 return update_size(pb, pos);
2046 /* iTunes meta data tag */
2047 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2051 int64_t pos = avio_tell(pb);
2052 avio_wb32(pb, 0); /* size */
2053 ffio_wfourcc(pb, "meta");
2055 mov_write_itunes_hdlr_tag(pb, mov, s);
2056 mov_write_ilst_tag(pb, mov, s);
2057 size = update_size(pb, pos);
2061 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2065 GET_UTF8(val, *b++, return -1;)
2068 avio_wb16(pb, 0x00);
2072 static uint16_t language_code(const char *str)
2074 return (((str[0] - 0x60) & 0x1F) << 10) +
2075 (((str[1] - 0x60) & 0x1F) << 5) +
2076 (( str[2] - 0x60) & 0x1F);
2079 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2080 const char *tag, const char *str)
2082 int64_t pos = avio_tell(pb);
2083 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2084 if (!t || !utf8len(t->value))
2086 avio_wb32(pb, 0); /* size */
2087 ffio_wfourcc(pb, tag); /* type */
2088 avio_wb32(pb, 0); /* version + flags */
2089 if (!strcmp(tag, "yrrc"))
2090 avio_wb16(pb, atoi(t->value));
2092 avio_wb16(pb, language_code("eng")); /* language */
2093 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2094 if (!strcmp(tag, "albm") &&
2095 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2096 avio_w8(pb, atoi(t->value));
2098 return update_size(pb, pos);
2101 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2103 int64_t pos = avio_tell(pb);
2104 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2106 avio_wb32(pb, 0); // size
2107 ffio_wfourcc(pb, "chpl");
2108 avio_wb32(pb, 0x01000000); // version + flags
2109 avio_wb32(pb, 0); // unknown
2110 avio_w8(pb, nb_chapters);
2112 for (i = 0; i < nb_chapters; i++) {
2113 AVChapter *c = s->chapters[i];
2114 AVDictionaryEntry *t;
2115 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2117 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2118 int len = FFMIN(strlen(t->value), 255);
2120 avio_write(pb, t->value, len);
2124 return update_size(pb, pos);
2127 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2130 AVIOContext *pb_buf;
2134 if (s->flags & AVFMT_FLAG_BITEXACT)
2137 ret = avio_open_dyn_buf(&pb_buf);
2141 if (mov->mode & MODE_3GP) {
2142 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2143 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2144 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2145 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2146 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2147 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2148 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2149 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2150 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2151 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2152 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2153 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2154 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2155 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2156 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2157 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2158 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2159 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2161 /* iTunes meta data */
2162 mov_write_meta_tag(pb_buf, mov, s);
2165 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2166 mov_write_chpl_tag(pb_buf, s);
2168 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2169 avio_wb32(pb, size + 8);
2170 ffio_wfourcc(pb, "udta");
2171 avio_write(pb, buf, size);
2178 static void mov_write_psp_udta_tag(AVIOContext *pb,
2179 const char *str, const char *lang, int type)
2181 int len = utf8len(str) + 1;
2184 avio_wb16(pb, len * 2 + 10); /* size */
2185 avio_wb32(pb, type); /* type */
2186 avio_wb16(pb, language_code(lang)); /* language */
2187 avio_wb16(pb, 0x01); /* ? */
2188 ascii_to_wc(pb, str);
2191 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2193 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2197 pos = avio_tell(pb);
2198 avio_wb32(pb, 0); /* size placeholder*/
2199 ffio_wfourcc(pb, "uuid");
2200 ffio_wfourcc(pb, "USMT");
2201 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2202 avio_wb32(pb, 0xbb88695c);
2203 avio_wb32(pb, 0xfac9c740);
2205 pos2 = avio_tell(pb);
2206 avio_wb32(pb, 0); /* size placeholder*/
2207 ffio_wfourcc(pb, "MTDT");
2211 avio_wb16(pb, 0x0C); /* size */
2212 avio_wb32(pb, 0x0B); /* type */
2213 avio_wb16(pb, language_code("und")); /* language */
2214 avio_wb16(pb, 0x0); /* ? */
2215 avio_wb16(pb, 0x021C); /* data */
2217 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2218 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2219 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2221 update_size(pb, pos2);
2222 return update_size(pb, pos);
2228 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2232 int64_t pos = avio_tell(pb);
2233 avio_wb32(pb, 0); /* size placeholder*/
2234 ffio_wfourcc(pb, "moov");
2236 for (i = 0; i < mov->nb_streams; i++) {
2237 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2240 mov->tracks[i].time = mov->time;
2241 mov->tracks[i].track_id = i + 1;
2244 if (mov->chapter_track)
2245 for (i = 0; i < s->nb_streams; i++) {
2246 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2247 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2249 for (i = 0; i < mov->nb_streams; i++) {
2250 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2251 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2252 mov->tracks[i].tref_id =
2253 mov->tracks[mov->tracks[i].src_track].track_id;
2257 mov_write_mvhd_tag(pb, mov);
2258 if (mov->mode != MODE_MOV && !mov->iods_skip)
2259 mov_write_iods_tag(pb, mov);
2260 for (i = 0; i < mov->nb_streams; i++) {
2261 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2262 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2265 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2266 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2268 if (mov->mode == MODE_PSP)
2269 mov_write_uuidusmt_tag(pb, s);
2271 mov_write_udta_tag(pb, mov, s);
2273 return update_size(pb, pos);
2276 static void param_write_int(AVIOContext *pb, const char *name, int value)
2278 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2281 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2283 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2286 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2289 len = FFMIN(sizeof(buf) / 2 - 1, len);
2290 ff_data_to_hex(buf, value, len, 0);
2291 buf[2 * len] = '\0';
2292 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2295 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2297 int64_t pos = avio_tell(pb);
2299 const uint8_t uuid[] = {
2300 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2301 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2305 ffio_wfourcc(pb, "uuid");
2306 avio_write(pb, uuid, sizeof(uuid));
2309 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2310 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2311 avio_printf(pb, "<head>\n");
2312 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2314 avio_printf(pb, "</head>\n");
2315 avio_printf(pb, "<body>\n");
2316 avio_printf(pb, "<switch>\n");
2317 for (i = 0; i < mov->nb_streams; i++) {
2318 MOVTrack *track = &mov->tracks[i];
2320 /* track->track_id is initialized in write_moov, and thus isn't known
2322 int track_id = i + 1;
2324 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2326 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2331 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2332 track->enc->bit_rate);
2333 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2334 param_write_int(pb, "trackID", track_id);
2335 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2336 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2338 int size = track->enc->extradata_size;
2339 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2341 param_write_hex(pb, "CodecPrivateData",
2342 ptr ? ptr : track->enc->extradata,
2346 param_write_string(pb, "FourCC", "H264");
2347 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2348 param_write_string(pb, "FourCC", "WVC1");
2349 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2350 track->enc->extradata_size);
2352 param_write_int(pb, "MaxWidth", track->enc->width);
2353 param_write_int(pb, "MaxHeight", track->enc->height);
2354 param_write_int(pb, "DisplayWidth", track->enc->width);
2355 param_write_int(pb, "DisplayHeight", track->enc->height);
2357 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2358 param_write_string(pb, "FourCC", "AACL");
2359 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2360 param_write_string(pb, "FourCC", "WMAP");
2362 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2363 track->enc->extradata_size);
2364 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2365 track->enc->codec_id));
2366 param_write_int(pb, "Channels", track->enc->channels);
2367 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2368 param_write_int(pb, "BitsPerSample", 16);
2369 param_write_int(pb, "PacketSize", track->enc->block_align ?
2370 track->enc->block_align : 4);
2372 avio_printf(pb, "</%s>\n", type);
2374 avio_printf(pb, "</switch>\n");
2375 avio_printf(pb, "</body>\n");
2376 avio_printf(pb, "</smil>\n");
2378 return update_size(pb, pos);
2381 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2384 ffio_wfourcc(pb, "mfhd");
2386 avio_wb32(pb, mov->fragments);
2390 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2391 MOVTrack *track, int64_t moof_offset)
2393 int64_t pos = avio_tell(pb);
2394 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2395 MOV_TFHD_BASE_DATA_OFFSET;
2396 if (!track->entry) {
2397 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2399 flags |= MOV_TFHD_DEFAULT_FLAGS;
2401 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2402 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2403 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
2404 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2405 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
2408 /* Don't set a default sample size, the silverlight player refuses
2409 * to play files with that set. Don't set a default sample duration,
2410 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2411 * file format says it MUST NOT be set. */
2412 if (track->mode == MODE_ISM)
2413 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2414 MOV_TFHD_BASE_DATA_OFFSET);
2416 avio_wb32(pb, 0); /* size placeholder */
2417 ffio_wfourcc(pb, "tfhd");
2418 avio_w8(pb, 0); /* version */
2419 avio_wb24(pb, flags);
2421 avio_wb32(pb, track->track_id); /* track-id */
2422 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2423 avio_wb64(pb, moof_offset);
2424 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2425 track->default_duration = get_cluster_duration(track, 0);
2426 avio_wb32(pb, track->default_duration);
2428 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2429 track->default_size = track->entry ? track->cluster[0].size : 1;
2430 avio_wb32(pb, track->default_size);
2432 track->default_size = -1;
2434 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2435 track->default_sample_flags =
2436 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2437 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2438 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2439 avio_wb32(pb, track->default_sample_flags);
2442 return update_size(pb, pos);
2445 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2447 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2448 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2451 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2452 MOVTrack *track, int moof_size)
2454 int64_t pos = avio_tell(pb);
2455 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2458 for (i = 0; i < track->entry; i++) {
2459 if (get_cluster_duration(track, i) != track->default_duration)
2460 flags |= MOV_TRUN_SAMPLE_DURATION;
2461 if (track->cluster[i].size != track->default_size)
2462 flags |= MOV_TRUN_SAMPLE_SIZE;
2463 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2464 flags |= MOV_TRUN_SAMPLE_FLAGS;
2466 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2467 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2468 if (track->flags & MOV_TRACK_CTTS)
2469 flags |= MOV_TRUN_SAMPLE_CTS;
2471 avio_wb32(pb, 0); /* size placeholder */
2472 ffio_wfourcc(pb, "trun");
2473 avio_w8(pb, 0); /* version */
2474 avio_wb24(pb, flags);
2476 avio_wb32(pb, track->entry); /* sample count */
2477 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2478 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
2480 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2482 avio_wb32(pb, moof_size + 8 + track->data_offset +
2483 track->cluster[0].pos); /* data offset */
2484 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2485 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2487 for (i = 0; i < track->entry; i++) {
2488 if (flags & MOV_TRUN_SAMPLE_DURATION)
2489 avio_wb32(pb, get_cluster_duration(track, i));
2490 if (flags & MOV_TRUN_SAMPLE_SIZE)
2491 avio_wb32(pb, track->cluster[i].size);
2492 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2493 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2494 if (flags & MOV_TRUN_SAMPLE_CTS)
2495 avio_wb32(pb, track->cluster[i].cts);
2498 mov->first_trun = 0;
2499 return update_size(pb, pos);
2502 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2504 int64_t pos = avio_tell(pb);
2505 const uint8_t uuid[] = {
2506 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2507 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2510 avio_wb32(pb, 0); /* size placeholder */
2511 ffio_wfourcc(pb, "uuid");
2512 avio_write(pb, uuid, sizeof(uuid));
2515 avio_wb64(pb, track->frag_start);
2516 avio_wb64(pb, track->start_dts + track->track_duration -
2517 track->cluster[0].dts);
2519 return update_size(pb, pos);
2522 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2523 MOVTrack *track, int entry)
2525 int n = track->nb_frag_info - 1 - entry, i;
2526 int size = 8 + 16 + 4 + 1 + 16*n;
2527 const uint8_t uuid[] = {
2528 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2529 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2535 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2536 avio_wb32(pb, size);
2537 ffio_wfourcc(pb, "uuid");
2538 avio_write(pb, uuid, sizeof(uuid));
2542 for (i = 0; i < n; i++) {
2543 int index = entry + 1 + i;
2544 avio_wb64(pb, track->frag_info[index].time);
2545 avio_wb64(pb, track->frag_info[index].duration);
2547 if (n < mov->ism_lookahead) {
2548 int free_size = 16 * (mov->ism_lookahead - n);
2549 avio_wb32(pb, free_size);
2550 ffio_wfourcc(pb, "free");
2551 for (i = 0; i < free_size - 8; i++)
2558 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2561 int64_t pos = avio_tell(pb);
2563 for (i = 0; i < mov->ism_lookahead; i++) {
2564 /* Update the tfrf tag for the last ism_lookahead fragments,
2565 * nb_frag_info - 1 is the next fragment to be written. */
2566 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2568 avio_seek(pb, pos, SEEK_SET);
2572 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2576 for (i = 0; i < mov->nb_streams; i++) {
2577 MOVTrack *track = &mov->tracks[i];
2578 MOVFragmentInfo *info;
2579 if ((tracks >= 0 && i != tracks) || !track->entry)
2581 track->nb_frag_info++;
2582 if (track->nb_frag_info >= track->frag_info_capacity) {
2583 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2584 if (av_reallocp_array(&track->frag_info,
2586 sizeof(*track->frag_info)))
2587 return AVERROR(ENOMEM);
2588 track->frag_info_capacity = new_capacity;
2590 info = &track->frag_info[track->nb_frag_info - 1];
2591 info->offset = avio_tell(pb);
2593 // Try to recreate the original pts for the first packet
2594 // from the fields we have stored
2595 info->time = track->start_dts + track->frag_start +
2596 track->cluster[0].cts;
2597 // If the pts is less than zero, we will have trimmed
2598 // away parts of the media track using an edit list,
2599 // and the corresponding start presentation time is zero.
2602 info->duration = track->start_dts + track->track_duration -
2603 track->cluster[0].dts;
2604 info->tfrf_offset = 0;
2605 mov_write_tfrf_tags(pb, mov, track);
2610 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
2612 int64_t pos = avio_tell(pb);
2614 avio_wb32(pb, 0); /* size */
2615 ffio_wfourcc(pb, "tfdt");
2616 avio_w8(pb, 1); /* version */
2618 avio_wb64(pb, track->frag_start);
2619 return update_size(pb, pos);
2622 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2623 MOVTrack *track, int64_t moof_offset,
2626 int64_t pos = avio_tell(pb);
2627 avio_wb32(pb, 0); /* size placeholder */
2628 ffio_wfourcc(pb, "traf");
2630 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2631 if (mov->mode != MODE_ISM)
2632 mov_write_tfdt_tag(pb, track);
2633 mov_write_trun_tag(pb, mov, track, moof_size);
2634 if (mov->mode == MODE_ISM) {
2635 mov_write_tfxd_tag(pb, track);
2637 if (mov->ism_lookahead) {
2638 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2640 if (track->nb_frag_info > 0) {
2641 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
2642 if (!info->tfrf_offset)
2643 info->tfrf_offset = avio_tell(pb);
2645 avio_wb32(pb, 8 + size);
2646 ffio_wfourcc(pb, "free");
2647 for (i = 0; i < size; i++)
2652 return update_size(pb, pos);
2655 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2656 int tracks, int moof_size)
2658 int64_t pos = avio_tell(pb);
2661 avio_wb32(pb, 0); /* size placeholder */
2662 ffio_wfourcc(pb, "moof");
2663 mov->first_trun = 1;
2665 mov_write_mfhd_tag(pb, mov);
2666 for (i = 0; i < mov->nb_streams; i++) {
2667 MOVTrack *track = &mov->tracks[i];
2668 if (tracks >= 0 && i != tracks)
2672 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2675 return update_size(pb, pos);
2678 static int mov_write_sidx_tag(AVIOContext *pb,
2679 MOVTrack *track, int ref_size, int total_sidx_size)
2681 int64_t pos = avio_tell(pb), offset_pos, end_pos;
2682 int64_t presentation_time, duration, offset;
2683 int starts_with_SAP, i, entries;
2687 presentation_time = track->start_dts + track->frag_start +
2688 track->cluster[0].cts;
2689 duration = track->start_dts + track->track_duration -
2690 track->cluster[0].dts;
2691 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
2693 entries = track->nb_frag_info;
2694 presentation_time = track->frag_info[0].time;
2697 // pts<0 should be cut away using edts
2698 if (presentation_time < 0)
2699 presentation_time = 0;
2701 avio_wb32(pb, 0); /* size */
2702 ffio_wfourcc(pb, "sidx");
2703 avio_w8(pb, 1); /* version */
2705 avio_wb32(pb, track->track_id); /* reference_ID */
2706 avio_wb32(pb, track->timescale); /* timescale */
2707 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
2708 offset_pos = avio_tell(pb);
2709 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
2710 avio_wb16(pb, 0); /* reserved */
2712 avio_wb16(pb, entries); /* reference_count */
2713 for (i = 0; i < entries; i++) {
2714 if (!track->entry) {
2715 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
2716 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
2718 duration = track->frag_info[i].duration;
2719 ref_size = track->frag_info[i].size;
2720 starts_with_SAP = 1;
2722 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
2723 avio_wb32(pb, duration); /* subsegment_duration */
2724 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
2727 end_pos = avio_tell(pb);
2728 offset = pos + total_sidx_size - end_pos;
2729 avio_seek(pb, offset_pos, SEEK_SET);
2730 avio_wb64(pb, offset);
2731 avio_seek(pb, end_pos, SEEK_SET);
2732 return update_size(pb, pos);
2735 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
2736 int tracks, int ref_size)
2739 AVIOContext *avio_buf;
2741 for (round = 0; round < 2; round++) {
2742 // First run one round to calculate the total size of all
2744 // This would be much simpler if we'd only write one sidx
2745 // atom, for the first track in the moof.
2747 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2752 for (i = 0; i < mov->nb_streams; i++) {
2753 MOVTrack *track = &mov->tracks[i];
2754 if (tracks >= 0 && i != tracks)
2756 // When writing a sidx for the full file, entry is 0, but
2757 // we want to include all tracks. ref_size is 0 in this case,
2758 // since we read it from frag_info instead.
2759 if (!track->entry && ref_size > 0)
2761 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
2765 total_size = ffio_close_null_buf(avio_buf);
2770 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2773 AVIOContext *avio_buf;
2776 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2778 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2779 moof_size = ffio_close_null_buf(avio_buf);
2781 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
2782 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
2784 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
2787 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2790 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2792 int64_t pos = avio_tell(pb);
2795 avio_wb32(pb, 0); /* size placeholder */
2796 ffio_wfourcc(pb, "tfra");
2797 avio_w8(pb, 1); /* version */
2800 avio_wb32(pb, track->track_id);
2801 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2802 avio_wb32(pb, track->nb_frag_info);
2803 for (i = 0; i < track->nb_frag_info; i++) {
2804 avio_wb64(pb, track->frag_info[i].time);
2805 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
2806 avio_w8(pb, 1); /* traf number */
2807 avio_w8(pb, 1); /* trun number */
2808 avio_w8(pb, 1); /* sample number */
2811 return update_size(pb, pos);
2814 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2816 int64_t pos = avio_tell(pb);
2819 avio_wb32(pb, 0); /* size placeholder */
2820 ffio_wfourcc(pb, "mfra");
2821 /* An empty mfra atom is enough to indicate to the publishing point that
2822 * the stream has ended. */
2823 if (mov->flags & FF_MOV_FLAG_ISML)
2824 return update_size(pb, pos);
2826 for (i = 0; i < mov->nb_streams; i++) {
2827 MOVTrack *track = &mov->tracks[i];
2828 if (track->nb_frag_info)
2829 mov_write_tfra_tag(pb, track);
2833 ffio_wfourcc(pb, "mfro");
2834 avio_wb32(pb, 0); /* version + flags */
2835 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2837 return update_size(pb, pos);
2840 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2842 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2843 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2845 mov->mdat_pos = avio_tell(pb);
2846 avio_wb32(pb, 0); /* size placeholder*/
2847 ffio_wfourcc(pb, "mdat");
2851 /* TODO: This needs to be more general */
2852 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2854 MOVMuxContext *mov = s->priv_data;
2855 int64_t pos = avio_tell(pb);
2856 int has_h264 = 0, has_video = 0;
2860 for (i = 0; i < s->nb_streams; i++) {
2861 AVStream *st = s->streams[i];
2862 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2864 if (st->codec->codec_id == AV_CODEC_ID_H264)
2868 avio_wb32(pb, 0); /* size */
2869 ffio_wfourcc(pb, "ftyp");
2871 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2872 ffio_wfourcc(pb, mov->major_brand);
2873 else if (mov->mode == MODE_3GP) {
2874 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2875 minor = has_h264 ? 0x100 : 0x200;
2876 } else if (mov->mode & MODE_3G2) {
2877 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2878 minor = has_h264 ? 0x20000 : 0x10000;
2879 } else if (mov->mode == MODE_PSP)
2880 ffio_wfourcc(pb, "MSNV");
2881 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
2882 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
2883 else if (mov->mode == MODE_MP4)
2884 ffio_wfourcc(pb, "isom");
2885 else if (mov->mode == MODE_IPOD)
2886 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2887 else if (mov->mode == MODE_ISM)
2888 ffio_wfourcc(pb, "isml");
2889 else if (mov->mode == MODE_F4V)
2890 ffio_wfourcc(pb, "f4v ");
2892 ffio_wfourcc(pb, "qt ");
2894 avio_wb32(pb, minor);
2896 if (mov->mode == MODE_MOV)
2897 ffio_wfourcc(pb, "qt ");
2898 else if (mov->mode == MODE_ISM) {
2899 ffio_wfourcc(pb, "piff");
2900 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
2901 ffio_wfourcc(pb, "isom");
2902 ffio_wfourcc(pb, "iso2");
2904 ffio_wfourcc(pb, "avc1");
2907 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
2908 // brand. This is compatible with users that don't understand tfdt.
2909 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
2910 ffio_wfourcc(pb, "iso6");
2912 if (mov->mode == MODE_3GP)
2913 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2914 else if (mov->mode & MODE_3G2)
2915 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2916 else if (mov->mode == MODE_PSP)
2917 ffio_wfourcc(pb, "MSNV");
2918 else if (mov->mode == MODE_MP4)
2919 ffio_wfourcc(pb, "mp41");
2921 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
2922 ffio_wfourcc(pb, "dash");
2924 return update_size(pb, pos);
2927 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2929 AVStream *video_st = s->streams[0];
2930 AVCodecContext *video_codec = s->streams[0]->codec;
2931 AVCodecContext *audio_codec = s->streams[1]->codec;
2932 int audio_rate = audio_codec->sample_rate;
2933 // TODO: should be avg_frame_rate
2934 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
2935 int audio_kbitrate = audio_codec->bit_rate / 1000;
2936 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2938 avio_wb32(pb, 0x94); /* size */
2939 ffio_wfourcc(pb, "uuid");
2940 ffio_wfourcc(pb, "PROF");
2942 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2943 avio_wb32(pb, 0xbb88695c);
2944 avio_wb32(pb, 0xfac9c740);
2946 avio_wb32(pb, 0x0); /* ? */
2947 avio_wb32(pb, 0x3); /* 3 sections ? */
2949 avio_wb32(pb, 0x14); /* size */
2950 ffio_wfourcc(pb, "FPRF");
2951 avio_wb32(pb, 0x0); /* ? */
2952 avio_wb32(pb, 0x0); /* ? */
2953 avio_wb32(pb, 0x0); /* ? */
2955 avio_wb32(pb, 0x2c); /* size */
2956 ffio_wfourcc(pb, "APRF"); /* audio */
2958 avio_wb32(pb, 0x2); /* TrackID */
2959 ffio_wfourcc(pb, "mp4a");
2960 avio_wb32(pb, 0x20f);
2962 avio_wb32(pb, audio_kbitrate);
2963 avio_wb32(pb, audio_kbitrate);
2964 avio_wb32(pb, audio_rate);
2965 avio_wb32(pb, audio_codec->channels);
2967 avio_wb32(pb, 0x34); /* size */
2968 ffio_wfourcc(pb, "VPRF"); /* video */
2970 avio_wb32(pb, 0x1); /* TrackID */
2971 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2972 ffio_wfourcc(pb, "avc1");
2973 avio_wb16(pb, 0x014D);
2974 avio_wb16(pb, 0x0015);
2976 ffio_wfourcc(pb, "mp4v");
2977 avio_wb16(pb, 0x0000);
2978 avio_wb16(pb, 0x0103);
2981 avio_wb32(pb, video_kbitrate);
2982 avio_wb32(pb, video_kbitrate);
2983 avio_wb32(pb, frame_rate);
2984 avio_wb32(pb, frame_rate);
2985 avio_wb16(pb, video_codec->width);
2986 avio_wb16(pb, video_codec->height);
2987 avio_wb32(pb, 0x010001); /* ? */
2990 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2993 int i, closed_gop = 0;
2995 for (i = 0; i < pkt->size - 4; i++) {
2996 c = (c << 8) + pkt->data[i];
2997 if (c == 0x1b8) { // gop
2998 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2999 } else if (c == 0x100) { // pic
3000 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3001 if (!temp_ref || closed_gop) // I picture is not reordered
3002 *flags = MOV_SYNC_SAMPLE;
3004 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3011 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3013 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3014 int seq = 0, entry = 0;
3015 int key = pkt->flags & AV_PKT_FLAG_KEY;
3016 start = find_next_marker(pkt->data, end);
3017 for (next = start; next < end; start = next) {
3018 next = find_next_marker(start + 4, end);
3019 switch (AV_RB32(start)) {
3020 case VC1_CODE_SEQHDR:
3023 case VC1_CODE_ENTRYPOINT:
3026 case VC1_CODE_SLICE:
3027 trk->vc1_info.slices = 1;
3031 if (!trk->entry && !fragment) {
3032 /* First packet in first fragment */
3033 trk->vc1_info.first_packet_seq = seq;
3034 trk->vc1_info.first_packet_entry = entry;
3035 } else if ((seq && !trk->vc1_info.packet_seq) ||
3036 (entry && !trk->vc1_info.packet_entry)) {
3038 for (i = 0; i < trk->entry; i++)
3039 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3040 trk->has_keyframes = 0;
3042 trk->vc1_info.packet_seq = 1;
3044 trk->vc1_info.packet_entry = 1;
3046 /* First fragment */
3047 if ((!seq || trk->vc1_info.first_packet_seq) &&
3048 (!entry || trk->vc1_info.first_packet_entry)) {
3049 /* First packet had the same headers as this one, readd the
3050 * sync sample flag. */
3051 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3052 trk->has_keyframes = 1;
3056 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3058 else if (trk->vc1_info.packet_seq)
3060 else if (trk->vc1_info.packet_entry)
3063 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3064 trk->has_keyframes++;
3068 static int mov_flush_fragment(AVFormatContext *s)
3070 MOVMuxContext *mov = s->priv_data;
3071 int i, first_track = -1;
3072 int64_t mdat_size = 0;
3074 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3077 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3078 int64_t pos = avio_tell(s->pb);
3080 AVIOContext *moov_buf;
3084 for (i = 0; i < mov->nb_streams; i++)
3085 if (!mov->tracks[i].entry)
3087 /* Don't write the initial moov unless all tracks have data */
3088 if (i < mov->nb_streams)
3091 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3093 mov_write_moov_tag(moov_buf, mov, s);
3094 buf_size = ffio_close_null_buf(moov_buf);
3095 for (i = 0; i < mov->nb_streams; i++)
3096 mov->tracks[i].data_offset = pos + buf_size + 8;
3098 mov_write_moov_tag(s->pb, mov, s);
3100 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3101 mov->mdat_buf = NULL;
3102 avio_wb32(s->pb, buf_size + 8);
3103 ffio_wfourcc(s->pb, "mdat");
3104 avio_write(s->pb, buf, buf_size);
3109 for (i = 0; i < mov->nb_streams; i++) {
3110 if (mov->tracks[i].entry)
3111 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3112 mov->tracks[i].track_duration -
3113 mov->tracks[i].cluster[0].dts;
3114 mov->tracks[i].entry = 0;
3120 for (i = 0; i < mov->nb_streams; i++) {
3121 MOVTrack *track = &mov->tracks[i];
3122 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3123 track->data_offset = 0;
3125 track->data_offset = mdat_size;
3126 if (!track->mdat_buf)
3128 mdat_size += avio_tell(track->mdat_buf);
3129 if (first_track < 0)
3136 for (i = 0; i < mov->nb_streams; i++) {
3137 MOVTrack *track = &mov->tracks[i];
3138 int buf_size, write_moof = 1, moof_tracks = -1;
3140 int64_t duration = 0;
3143 duration = track->start_dts + track->track_duration -
3144 track->cluster[0].dts;
3145 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3146 if (!track->mdat_buf)
3148 mdat_size = avio_tell(track->mdat_buf);
3151 write_moof = i == first_track;
3157 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
3160 avio_wb32(s->pb, mdat_size + 8);
3161 ffio_wfourcc(s->pb, "mdat");
3165 track->frag_start += duration;
3167 if (!track->mdat_buf)
3169 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3170 track->mdat_buf = NULL;
3172 avio_write(s->pb, buf, buf_size);
3182 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3184 MOVMuxContext *mov = s->priv_data;
3185 AVIOContext *pb = s->pb;
3186 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3187 AVCodecContext *enc = trk->enc;
3188 unsigned int samples_in_chunk = 0;
3189 int size = pkt->size, ret = 0;
3190 uint8_t *reformatted_data = NULL;
3192 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3194 if (mov->fragments > 0) {
3195 if (!trk->mdat_buf) {
3196 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3201 if (!mov->mdat_buf) {
3202 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3209 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3210 /* We must find out how many AMR blocks there are in one packet */
3211 static uint16_t packed_size[16] =
3212 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3215 while (len < size && samples_in_chunk < 100) {
3216 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3219 if (samples_in_chunk > 1) {
3220 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3223 } else if (trk->sample_size)
3224 samples_in_chunk = size / trk->sample_size;
3226 samples_in_chunk = 1;
3228 /* copy extradata if it exists */
3229 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3230 trk->vos_len = enc->extradata_size;
3231 trk->vos_data = av_malloc(trk->vos_len);
3232 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3235 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3236 /* from x264 or from bytestream h264 */
3237 /* nal reformating needed */
3238 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3239 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3241 avio_write(pb, reformatted_data, size);
3243 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3245 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3246 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3247 /* extradata is Annex B, assume the bitstream is too and convert it */
3248 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3249 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3250 avio_write(pb, reformatted_data, size);
3252 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3255 avio_write(pb, pkt->data, size);
3258 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3259 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3260 /* copy frame to create needed atoms */
3261 trk->vos_len = size;
3262 trk->vos_data = av_malloc(size);
3263 if (!trk->vos_data) {
3264 ret = AVERROR(ENOMEM);
3267 memcpy(trk->vos_data, pkt->data, size);
3270 if (trk->entry >= trk->cluster_capacity) {
3271 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3272 if (av_reallocp_array(&trk->cluster, new_capacity,
3273 sizeof(*trk->cluster))) {
3274 ret = AVERROR(ENOMEM);
3277 trk->cluster_capacity = new_capacity;
3280 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3281 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3282 trk->cluster[trk->entry].size = size;
3283 trk->cluster[trk->entry].entries = samples_in_chunk;
3284 trk->cluster[trk->entry].dts = pkt->dts;
3285 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3286 if (!trk->frag_discont) {
3287 /* First packet of a new fragment. We already wrote the duration
3288 * of the last packet of the previous fragment based on track_duration,
3289 * which might not exactly match our dts. Therefore adjust the dts
3290 * of this packet to be what the previous packets duration implies. */
3291 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3293 /* New fragment, but discontinuous from previous fragments.
3294 * Pretend the duration sum of the earlier fragments is
3295 * pkt->dts - trk->start_dts. */
3296 trk->frag_start = pkt->dts - trk->start_dts;
3297 trk->frag_discont = 0;
3300 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
3301 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
3302 /* Not using edit lists and shifting the first track to start from zero.
3303 * If the other streams start from a later timestamp, we won't be able
3304 * to signal the difference in starting time without an edit list.
3305 * Thus move the timestamp for this first sample to 0, increasing
3306 * its duration instead. */
3307 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3309 if (trk->start_dts == AV_NOPTS_VALUE) {
3310 trk->start_dts = pkt->dts;
3311 if (trk->frag_discont) {
3312 /* Pretend the whole stream started at dts=0, with earlier framgents
3313 * already written, with a duration summing up to pkt->dts. */
3314 trk->frag_start = pkt->dts;
3316 trk->frag_discont = 0;
3317 } else if (pkt->dts && mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3318 av_log(s, AV_LOG_WARNING,
3319 "Track %d starts with a nonzero dts %"PRId64". This "
3320 "currently isn't handled correctly in combination with "
3321 "empty_moov.\n", pkt->stream_index, pkt->dts);
3323 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3325 if (pkt->pts == AV_NOPTS_VALUE) {
3326 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3327 pkt->pts = pkt->dts;
3329 if (pkt->dts != pkt->pts)
3330 trk->flags |= MOV_TRACK_CTTS;
3331 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3332 trk->cluster[trk->entry].flags = 0;
3333 if (enc->codec_id == AV_CODEC_ID_VC1) {
3334 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3335 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3336 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3337 trk->entry > 0) { // force sync sample for the first key frame
3338 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3339 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3340 trk->flags |= MOV_TRACK_STPS;
3342 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3344 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3345 trk->has_keyframes++;
3348 trk->sample_count += samples_in_chunk;
3349 mov->mdat_size += size;
3351 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3352 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3353 reformatted_data, size);
3356 av_free(reformatted_data);
3360 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3363 mov_flush_fragment(s);
3366 MOVMuxContext *mov = s->priv_data;
3367 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3368 AVCodecContext *enc = trk->enc;
3369 int64_t frag_duration = 0;
3370 int size = pkt->size;
3373 return 0; /* Discard 0 sized packets */
3375 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
3377 for (i = 0; i < s->nb_streams; i++)
3378 mov->tracks[i].frag_discont = 1;
3379 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
3383 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3384 s->streams[pkt->stream_index]->time_base,
3386 if ((mov->max_fragment_duration &&
3387 frag_duration >= mov->max_fragment_duration) ||
3388 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3389 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3390 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3391 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3392 if (frag_duration >= mov->min_fragment_duration)
3393 mov_flush_fragment(s);
3396 return ff_mov_write_packet(s, pkt);
3400 // QuickTime chapters involve an additional text track with the chapter names
3401 // as samples, and a tref pointing from the other tracks to the chapter one.
3402 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3404 MOVMuxContext *mov = s->priv_data;
3405 MOVTrack *track = &mov->tracks[tracknum];
3406 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3408 // These properties are required to make QT recognize the chapter track
3409 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3411 track->mode = mov->mode;
3412 track->tag = MKTAG('t','e','x','t');
3413 track->timescale = MOV_TIMESCALE;
3414 track->enc = avcodec_alloc_context3(NULL);
3416 return AVERROR(ENOMEM);
3417 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3418 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3419 if (!track->enc->extradata)
3420 return AVERROR(ENOMEM);
3421 track->enc->extradata_size = sizeof(chapter_properties);
3422 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3424 for (i = 0; i < s->nb_chapters; i++) {
3425 AVChapter *c = s->chapters[i];
3426 AVDictionaryEntry *t;
3428 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3429 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3430 pkt.duration = end - pkt.dts;
3432 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3433 const char encd[12] = {
3434 0x00, 0x00, 0x00, 0x0C,
3436 0x00, 0x00, 0x01, 0x00 };
3437 len = strlen(t->value);
3438 pkt.size = len + 2 + 12;
3439 pkt.data = av_malloc(pkt.size);
3441 return AVERROR(ENOMEM);
3442 AV_WB16(pkt.data, len);
3443 memcpy(pkt.data + 2, t->value, len);
3444 memcpy(pkt.data + len + 2, encd, sizeof(encd));
3445 ff_mov_write_packet(s, &pkt);
3446 av_freep(&pkt.data);
3454 * st->disposition controls the "enabled" flag in the tkhd tag.
3455 * QuickTime will not play a track if it is not enabled. So make sure
3456 * that one track of each type (audio, video, subtitle) is enabled.
3458 * Subtitles are special. For audio and video, setting "enabled" also
3459 * makes the track "default" (i.e. it is rendered when played). For
3460 * subtitles, an "enabled" subtitle is not rendered by default, but
3461 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3464 static void enable_tracks(AVFormatContext *s)
3466 MOVMuxContext *mov = s->priv_data;
3468 int enabled[AVMEDIA_TYPE_NB];
3469 int first[AVMEDIA_TYPE_NB];
3471 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3476 for (i = 0; i < s->nb_streams; i++) {
3477 AVStream *st = s->streams[i];
3479 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3480 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3483 if (first[st->codec->codec_type] < 0)
3484 first[st->codec->codec_type] = i;
3485 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3486 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3487 enabled[st->codec->codec_type]++;
3491 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3493 case AVMEDIA_TYPE_VIDEO:
3494 case AVMEDIA_TYPE_AUDIO:
3495 case AVMEDIA_TYPE_SUBTITLE:
3497 mov->per_stream_grouping = 1;
3498 if (!enabled[i] && first[i] >= 0)
3499 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3505 static void mov_free(AVFormatContext *s)
3507 MOVMuxContext *mov = s->priv_data;
3510 if (mov->chapter_track) {
3511 if (mov->tracks[mov->chapter_track].enc)
3512 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3513 av_freep(&mov->tracks[mov->chapter_track].enc);
3516 for (i = 0; i < mov->nb_streams; i++) {
3517 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3518 ff_mov_close_hinting(&mov->tracks[i]);
3519 av_freep(&mov->tracks[i].cluster);
3520 av_freep(&mov->tracks[i].frag_info);
3522 if (mov->tracks[i].vos_len)
3523 av_free(mov->tracks[i].vos_data);
3526 av_freep(&mov->tracks);
3529 static uint32_t rgb_to_yuv(uint32_t rgb)
3534 r = (rgb >> 16) & 0xFF;
3535 g = (rgb >> 8) & 0xFF;
3538 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
3539 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
3540 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
3542 return (y << 16) | (cr << 8) | cb;
3545 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
3548 int i, width = 720, height = 480;
3549 int have_palette = 0, have_size = 0;
3550 uint32_t palette[16];
3551 char *cur = st->codec->extradata;
3553 while (cur && *cur) {
3554 if (strncmp("palette:", cur, 8) == 0) {
3556 count = sscanf(cur + 8,
3557 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3558 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3559 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3560 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
3561 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
3562 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
3563 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
3564 &palette[12], &palette[13], &palette[14], &palette[15]);
3566 for (i = 0; i < count; i++) {
3567 palette[i] = rgb_to_yuv(palette[i]);
3570 } else if (!strncmp("size:", cur, 5)) {
3571 sscanf(cur + 5, "%dx%d", &width, &height);
3574 if (have_palette && have_size)
3576 cur += strcspn(cur, "\n\r");
3577 cur += strspn(cur, "\n\r");
3580 track->vos_data = av_malloc(16*4);
3581 if (!track->vos_data)
3582 return AVERROR(ENOMEM);
3583 for (i = 0; i < 16; i++) {
3584 AV_WB32(track->vos_data + i * 4, palette[i]);
3586 track->vos_len = 16 * 4;
3588 st->codec->width = width;
3589 st->codec->height = track->height = height;
3594 static int mov_write_header(AVFormatContext *s)
3596 AVIOContext *pb = s->pb;
3597 MOVMuxContext *mov = s->priv_data;
3598 AVDictionaryEntry *t;
3599 int i, hint_track = 0;
3603 /* Default mode == MP4 */
3604 mov->mode = MODE_MP4;
3607 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3608 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3609 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3610 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3611 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3612 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3613 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3616 /* Set the FRAGMENT flag if any of the fragmentation methods are
3618 if (mov->max_fragment_duration || mov->max_fragment_size ||
3619 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3620 FF_MOV_FLAG_FRAG_KEYFRAME |
3621 FF_MOV_FLAG_FRAG_CUSTOM))
3622 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3624 /* Set other implicit flags immediately */
3625 if (mov->mode == MODE_ISM)
3626 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3627 FF_MOV_FLAG_FRAGMENT;
3628 if (mov->flags & FF_MOV_FLAG_DASH)
3629 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
3630 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
3632 if (mov->use_editlist < 0) {
3633 mov->use_editlist = 1;
3634 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3635 // If we can avoid needing an edit list by shifting the
3636 // tracks, prefer that over (trying to) write edit lists
3637 // in fragmented output.
3638 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
3639 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
3640 mov->use_editlist = 0;
3643 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && mov->use_editlist)
3644 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov\n");
3646 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
3647 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
3649 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3650 * is enabled, we don't support non-seekable output at all. */
3651 if (!s->pb->seekable &&
3652 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3653 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3654 return AVERROR(EINVAL);
3658 mov_write_ftyp_tag(pb,s);
3659 if (mov->mode == MODE_PSP) {
3660 if (s->nb_streams != 2) {
3661 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3662 return AVERROR(EINVAL);
3664 mov_write_uuidprof_tag(pb, s);
3667 mov->nb_streams = s->nb_streams;
3668 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3669 mov->chapter_track = mov->nb_streams++;
3671 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3672 /* Add hint tracks for each audio and video stream */
3673 hint_track = mov->nb_streams;
3674 for (i = 0; i < s->nb_streams; i++) {
3675 AVStream *st = s->streams[i];
3676 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3677 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3683 // Reserve an extra stream for chapters for the case where chapters
3684 // are written in the trailer
3685 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3687 return AVERROR(ENOMEM);
3689 for (i = 0; i < s->nb_streams; i++) {
3690 AVStream *st= s->streams[i];
3691 MOVTrack *track= &mov->tracks[i];
3692 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3695 track->enc = st->codec;
3696 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3697 if (track->language < 0)
3698 track->language = 0;
3699 track->mode = mov->mode;
3700 track->tag = mov_find_codec_tag(s, track);
3702 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3703 "codec not currently supported in container\n", i);
3706 /* If hinting of this track is enabled by a later hint track,
3707 * this is updated. */
3708 track->hint_track = -1;
3709 track->start_dts = AV_NOPTS_VALUE;
3710 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3711 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3712 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3713 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3714 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3715 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3718 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3720 track->timescale = st->time_base.den;
3721 if (track->mode == MODE_MOV && track->timescale > 100000)
3722 av_log(s, AV_LOG_WARNING,
3723 "WARNING codec timebase is very high. If duration is too long,\n"
3724 "file may not be playable by quicktime. Specify a shorter timebase\n"
3725 "or choose different container.\n");
3726 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3727 track->timescale = st->codec->sample_rate;
3728 /* set sample_size for PCM and ADPCM */
3729 if (av_get_bits_per_sample(st->codec->codec_id) ||
3730 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3731 if (!st->codec->block_align) {
3732 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3735 track->sample_size = st->codec->block_align;
3737 /* set audio_vbr for compressed audio */
3738 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3739 track->audio_vbr = 1;
3741 if (track->mode != MODE_MOV &&
3742 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3743 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3744 i, track->enc->sample_rate);
3747 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3748 track->timescale = st->time_base.den;
3749 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3750 track->timescale = st->time_base.den;
3753 track->height = st->codec->height;
3754 /* The ism specific timescale isn't mandatory, but is assumed by
3755 * some tools, such as mp4split. */
3756 if (mov->mode == MODE_ISM)
3757 track->timescale = 10000000;
3759 avpriv_set_pts_info(st, 64, 1, track->timescale);
3761 /* copy extradata if it exists */
3762 if (st->codec->extradata_size) {
3763 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
3764 mov_create_dvd_sub_decoder_specific_info(track, st);
3766 track->vos_len = st->codec->extradata_size;
3767 track->vos_data = av_malloc(track->vos_len);
3768 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3775 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3776 /* If no fragmentation options have been set, set a default. */
3777 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3778 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3779 !mov->max_fragment_duration && !mov->max_fragment_size)
3780 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3782 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3783 mov->reserved_moov_pos = avio_tell(pb);
3784 mov_write_mdat_tag(pb, mov);
3787 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3788 mov->time = ff_iso8601_to_unix_time(t->value);
3790 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3792 if (mov->chapter_track)
3793 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3796 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3797 /* Initialize the hint tracks for each audio and video stream */
3798 for (i = 0; i < s->nb_streams; i++) {
3799 AVStream *st = s->streams[i];
3800 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3801 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3802 ff_mov_init_hinting(s, hint_track, i);
3810 if (mov->flags & FF_MOV_FLAG_ISML)
3811 mov_write_isml_manifest(pb, mov);
3813 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3814 mov_write_moov_tag(pb, mov, s);
3816 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3817 mov->reserved_moov_pos = avio_tell(pb);
3826 static int get_moov_size(AVFormatContext *s)
3829 AVIOContext *moov_buf;
3830 MOVMuxContext *mov = s->priv_data;
3832 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3834 mov_write_moov_tag(moov_buf, mov, s);
3835 return ffio_close_null_buf(moov_buf);
3838 static int get_sidx_size(AVFormatContext *s)
3842 MOVMuxContext *mov = s->priv_data;
3844 if ((ret = ffio_open_null_buf(&buf)) < 0)
3846 mov_write_sidx_tags(buf, mov, -1, 0);
3847 return ffio_close_null_buf(buf);
3851 * This function gets the moov size if moved to the top of the file: the chunk
3852 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3853 * entries) when the moov is moved to the beginning, so the size of the moov
3854 * would change. It also updates the chunk offset tables.
3856 static int compute_moov_size(AVFormatContext *s)
3858 int i, moov_size, moov_size2;
3859 MOVMuxContext *mov = s->priv_data;
3861 moov_size = get_moov_size(s);
3865 for (i = 0; i < mov->nb_streams; i++)
3866 mov->tracks[i].data_offset += moov_size;
3868 moov_size2 = get_moov_size(s);
3872 /* if the size changed, we just switched from stco to co64 and need to
3873 * update the offsets */
3874 if (moov_size2 != moov_size)
3875 for (i = 0; i < mov->nb_streams; i++)
3876 mov->tracks[i].data_offset += moov_size2 - moov_size;
3881 static int compute_sidx_size(AVFormatContext *s)
3884 MOVMuxContext *mov = s->priv_data;
3886 sidx_size = get_sidx_size(s);
3890 for (i = 0; i < mov->nb_streams; i++)
3891 mov->tracks[i].data_offset += sidx_size;
3896 static int shift_data(AVFormatContext *s)
3898 int ret = 0, moov_size;
3899 MOVMuxContext *mov = s->priv_data;
3900 int64_t pos, pos_end = avio_tell(s->pb);
3901 uint8_t *buf, *read_buf[2];
3902 int read_buf_id = 0;
3904 AVIOContext *read_pb;
3906 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3907 moov_size = compute_sidx_size(s);
3909 moov_size = compute_moov_size(s);
3913 buf = av_malloc(moov_size * 2);
3915 return AVERROR(ENOMEM);
3917 read_buf[1] = buf + moov_size;
3919 /* Shift the data: the AVIO context of the output can only be used for
3920 * writing, so we re-open the same output, but for reading. It also avoids
3921 * a read/seek/write/seek back and forth. */
3923 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3925 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3926 "the second pass (faststart)\n", s->filename);
3930 /* mark the end of the shift to up to the last data we wrote, and get ready
3932 pos_end = avio_tell(s->pb);
3933 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3935 /* start reading at where the new moov will be placed */
3936 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3937 pos = avio_tell(read_pb);
3939 #define READ_BLOCK do { \
3940 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3944 /* shift data by chunk of at most moov_size */
3949 n = read_size[read_buf_id];
3952 avio_write(s->pb, read_buf[read_buf_id], n);
3954 } while (pos < pos_end);
3955 avio_close(read_pb);
3962 static int mov_write_trailer(AVFormatContext *s)
3964 MOVMuxContext *mov = s->priv_data;
3965 AVIOContext *pb = s->pb;
3970 // If there were no chapters when the header was written, but there
3971 // are chapters now, write them in the trailer. This only works
3972 // when we are not doing fragments.
3973 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3974 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
3975 mov->chapter_track = mov->nb_streams++;
3976 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
3981 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3982 moov_pos = avio_tell(pb);
3984 /* Write size of mdat tag */
3985 if (mov->mdat_size + 8 <= UINT32_MAX) {
3986 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3987 avio_wb32(pb, mov->mdat_size + 8);
3989 /* overwrite 'wide' placeholder atom */
3990 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3991 /* special value: real atom size will be 64 bit value after
3994 ffio_wfourcc(pb, "mdat");
3995 avio_wb64(pb, mov->mdat_size + 16);
3997 avio_seek(pb, moov_pos, SEEK_SET);
3999 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4000 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4001 res = shift_data(s);
4003 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
4004 mov_write_moov_tag(pb, mov, s);
4007 mov_write_moov_tag(pb, mov, s);
4010 mov_flush_fragment(s);
4011 for (i = 0; i < mov->nb_streams; i++)
4012 mov->tracks[i].data_offset = 0;
4013 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4014 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
4015 res = shift_data(s);
4017 int64_t end = avio_tell(pb);
4018 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
4019 mov_write_sidx_tags(pb, mov, -1, 0);
4020 avio_seek(pb, end, SEEK_SET);
4021 mov_write_mfra_tag(pb, mov);
4024 mov_write_mfra_tag(pb, mov);
4028 for (i = 0; i < mov->nb_streams; i++) {
4029 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4030 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4031 int64_t off = avio_tell(pb);
4033 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4034 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4035 avio_write(pb, buf, 7);
4036 avio_seek(pb, off, SEEK_SET);
4047 #if CONFIG_MOV_MUXER
4049 AVOutputFormat ff_mov_muxer = {
4051 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4052 .extensions = "mov",
4053 .priv_data_size = sizeof(MOVMuxContext),
4054 .audio_codec = AV_CODEC_ID_AAC,
4055 .video_codec = CONFIG_LIBX264_ENCODER ?
4056 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4057 .write_header = mov_write_header,
4058 .write_packet = mov_write_packet,
4059 .write_trailer = mov_write_trailer,
4060 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4061 .codec_tag = (const AVCodecTag* const []){
4062 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4064 .priv_class = &mov_muxer_class,
4067 #if CONFIG_TGP_MUXER
4069 AVOutputFormat ff_tgp_muxer = {
4071 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4072 .extensions = "3gp",
4073 .priv_data_size = sizeof(MOVMuxContext),
4074 .audio_codec = AV_CODEC_ID_AMR_NB,
4075 .video_codec = AV_CODEC_ID_H263,
4076 .write_header = mov_write_header,
4077 .write_packet = mov_write_packet,
4078 .write_trailer = mov_write_trailer,
4079 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4080 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4081 .priv_class = &tgp_muxer_class,
4084 #if CONFIG_MP4_MUXER
4086 AVOutputFormat ff_mp4_muxer = {
4088 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4089 .mime_type = "application/mp4",
4090 .extensions = "mp4",
4091 .priv_data_size = sizeof(MOVMuxContext),
4092 .audio_codec = AV_CODEC_ID_AAC,
4093 .video_codec = CONFIG_LIBX264_ENCODER ?
4094 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4095 .write_header = mov_write_header,
4096 .write_packet = mov_write_packet,
4097 .write_trailer = mov_write_trailer,
4098 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4099 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4100 .priv_class = &mp4_muxer_class,
4103 #if CONFIG_PSP_MUXER
4105 AVOutputFormat ff_psp_muxer = {
4107 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4108 .extensions = "mp4,psp",
4109 .priv_data_size = sizeof(MOVMuxContext),
4110 .audio_codec = AV_CODEC_ID_AAC,
4111 .video_codec = CONFIG_LIBX264_ENCODER ?
4112 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4113 .write_header = mov_write_header,
4114 .write_packet = mov_write_packet,
4115 .write_trailer = mov_write_trailer,
4116 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4117 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4118 .priv_class = &psp_muxer_class,
4121 #if CONFIG_TG2_MUXER
4123 AVOutputFormat ff_tg2_muxer = {
4125 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4126 .extensions = "3g2",
4127 .priv_data_size = sizeof(MOVMuxContext),
4128 .audio_codec = AV_CODEC_ID_AMR_NB,
4129 .video_codec = AV_CODEC_ID_H263,
4130 .write_header = mov_write_header,
4131 .write_packet = mov_write_packet,
4132 .write_trailer = mov_write_trailer,
4133 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4134 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4135 .priv_class = &tg2_muxer_class,
4138 #if CONFIG_IPOD_MUXER
4140 AVOutputFormat ff_ipod_muxer = {
4142 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4143 .mime_type = "application/mp4",
4144 .extensions = "m4v,m4a",
4145 .priv_data_size = sizeof(MOVMuxContext),
4146 .audio_codec = AV_CODEC_ID_AAC,
4147 .video_codec = AV_CODEC_ID_H264,
4148 .write_header = mov_write_header,
4149 .write_packet = mov_write_packet,
4150 .write_trailer = mov_write_trailer,
4151 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4152 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4153 .priv_class = &ipod_muxer_class,
4156 #if CONFIG_ISMV_MUXER
4158 AVOutputFormat ff_ismv_muxer = {
4160 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4161 .mime_type = "application/mp4",
4162 .extensions = "ismv,isma",
4163 .priv_data_size = sizeof(MOVMuxContext),
4164 .audio_codec = AV_CODEC_ID_AAC,
4165 .video_codec = AV_CODEC_ID_H264,
4166 .write_header = mov_write_header,
4167 .write_packet = mov_write_packet,
4168 .write_trailer = mov_write_trailer,
4169 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4170 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4171 .priv_class = &ismv_muxer_class,
4174 #if CONFIG_F4V_MUXER
4176 AVOutputFormat ff_f4v_muxer = {
4178 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4179 .mime_type = "application/f4v",
4180 .extensions = "f4v",
4181 .priv_data_size = sizeof(MOVMuxContext),
4182 .audio_codec = AV_CODEC_ID_AAC,
4183 .video_codec = AV_CODEC_ID_H264,
4184 .write_header = mov_write_header,
4185 .write_packet = mov_write_packet,
4186 .write_trailer = mov_write_trailer,
4187 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4188 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4189 .priv_class = &f4v_muxer_class,