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.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 (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
61 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
62 { "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},
63 { "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},
64 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
65 { "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},
66 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
67 { "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},
68 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
72 #define MOV_CLASS(flavor)\
73 static const AVClass flavor ## _muxer_class = {\
74 .class_name = #flavor " muxer",\
75 .item_name = av_default_item_name,\
77 .version = LIBAVUTIL_VERSION_INT,\
80 //FIXME support 64 bit variant with wide placeholders
81 static int64_t update_size(AVIOContext *pb, int64_t pos)
83 int64_t curpos = avio_tell(pb);
84 avio_seek(pb, pos, SEEK_SET);
85 avio_wb32(pb, curpos - pos); /* rewrite size */
86 avio_seek(pb, curpos, SEEK_SET);
91 static int co64_required(const MOVTrack *track)
93 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
98 /* Chunk offset atom */
99 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
102 int mode64 = co64_required(track); // use 32 bit size variant if possible
103 int64_t pos = avio_tell(pb);
104 avio_wb32(pb, 0); /* size */
106 ffio_wfourcc(pb, "co64");
108 ffio_wfourcc(pb, "stco");
109 avio_wb32(pb, 0); /* version & flags */
110 avio_wb32(pb, track->entry); /* entry count */
111 for (i = 0; i < track->entry; i++) {
113 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
115 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
117 return update_size(pb, pos);
120 /* Sample size atom */
121 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
124 int i, j, entries = 0, tst = -1, oldtst = -1;
126 int64_t pos = avio_tell(pb);
127 avio_wb32(pb, 0); /* size */
128 ffio_wfourcc(pb, "stsz");
129 avio_wb32(pb, 0); /* version & flags */
131 for (i = 0; i < track->entry; i++) {
132 tst = track->cluster[i].size / track->cluster[i].entries;
133 if (oldtst != -1 && tst != oldtst)
136 entries += track->cluster[i].entries;
138 if (equalChunks && track->entry) {
139 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
140 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
141 avio_wb32(pb, sSize); // sample size
142 avio_wb32(pb, entries); // sample count
144 avio_wb32(pb, 0); // sample size
145 avio_wb32(pb, entries); // sample count
146 for (i = 0; i < track->entry; i++) {
147 for (j = 0; j < track->cluster[i].entries; j++) {
148 avio_wb32(pb, track->cluster[i].size /
149 track->cluster[i].entries);
153 return update_size(pb, pos);
156 /* Sample to chunk atom */
157 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
159 int index = 0, oldval = -1, i;
160 int64_t entryPos, curpos;
162 int64_t pos = avio_tell(pb);
163 avio_wb32(pb, 0); /* size */
164 ffio_wfourcc(pb, "stsc");
165 avio_wb32(pb, 0); // version & flags
166 entryPos = avio_tell(pb);
167 avio_wb32(pb, track->entry); // entry count
168 for (i = 0; i < track->entry; i++) {
169 if (oldval != track->cluster[i].samples_in_chunk) {
170 avio_wb32(pb, i + 1); // first chunk
171 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
172 avio_wb32(pb, 0x1); // sample description index
173 oldval = track->cluster[i].samples_in_chunk;
177 curpos = avio_tell(pb);
178 avio_seek(pb, entryPos, SEEK_SET);
179 avio_wb32(pb, index); // rewrite size
180 avio_seek(pb, curpos, SEEK_SET);
182 return update_size(pb, pos);
185 /* Sync sample atom */
186 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
188 int64_t curpos, entryPos;
190 int64_t pos = avio_tell(pb);
191 avio_wb32(pb, 0); // size
192 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
193 avio_wb32(pb, 0); // version & flags
194 entryPos = avio_tell(pb);
195 avio_wb32(pb, track->entry); // entry count
196 for (i = 0; i < track->entry; i++) {
197 if (track->cluster[i].flags & flag) {
198 avio_wb32(pb, i + 1);
202 curpos = avio_tell(pb);
203 avio_seek(pb, entryPos, SEEK_SET);
204 avio_wb32(pb, index); // rewrite size
205 avio_seek(pb, curpos, SEEK_SET);
206 return update_size(pb, pos);
209 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
211 avio_wb32(pb, 0x11); /* size */
212 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
213 else ffio_wfourcc(pb, "damr");
214 ffio_wfourcc(pb, "FFMP");
215 avio_w8(pb, 0); /* decoder version */
217 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
218 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
219 avio_w8(pb, 0x01); /* Frames per sample */
223 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
228 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
230 if (track->vos_len < 7)
234 ffio_wfourcc(pb, "dac3");
236 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
237 fscod = get_bits(&gbc, 2);
238 frmsizecod = get_bits(&gbc, 6);
239 bsid = get_bits(&gbc, 5);
240 bsmod = get_bits(&gbc, 3);
241 acmod = get_bits(&gbc, 3);
243 skip_bits(&gbc, 2); // dsurmod
245 if ((acmod & 1) && acmod != 1)
246 skip_bits(&gbc, 2); // cmixlev
248 skip_bits(&gbc, 2); // surmixlev
250 lfeon = get_bits1(&gbc);
252 init_put_bits(&pbc, buf, sizeof(buf));
253 put_bits(&pbc, 2, fscod);
254 put_bits(&pbc, 5, bsid);
255 put_bits(&pbc, 3, bsmod);
256 put_bits(&pbc, 3, acmod);
257 put_bits(&pbc, 1, lfeon);
258 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
259 put_bits(&pbc, 5, 0); // reserved
261 flush_put_bits(&pbc);
262 avio_write(pb, buf, sizeof(buf));
268 * This function writes extradata "as is".
269 * Extradata must be formatted like a valid atom (with size and tag).
271 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
273 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
274 return track->enc->extradata_size;
277 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
282 avio_w8(pb, (size >> (7 * i)) | 0x80);
283 avio_w8(pb, size & 0x7F);
286 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
288 int64_t pos = avio_tell(pb);
289 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
291 avio_wb32(pb, 0); // size
292 ffio_wfourcc(pb, "esds");
293 avio_wb32(pb, 0); // Version
296 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
297 avio_wb16(pb, track->track_id);
298 avio_w8(pb, 0x00); // flags (= no flags)
300 // DecoderConfig descriptor
301 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
303 // Object type indication
304 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
305 track->enc->codec_id == AV_CODEC_ID_MP3) &&
306 track->enc->sample_rate > 24000)
307 avio_w8(pb, 0x6B); // 11172-3
309 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
311 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
312 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
313 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
314 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
315 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
316 avio_w8(pb, 0x15); // flags (= Audiostream)
318 avio_w8(pb, 0x11); // flags (= Visualstream)
320 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
322 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
323 if (track->enc->rc_max_rate != track->enc->rc_min_rate ||
324 track->enc->rc_min_rate == 0)
325 avio_wb32(pb, 0); // vbr
327 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
329 if (track->vos_len) {
330 // DecoderSpecific info descriptor
331 put_descr(pb, 0x05, track->vos_len);
332 avio_write(pb, track->vos_data, track->vos_len);
336 put_descr(pb, 0x06, 1);
338 return update_size(pb, pos);
341 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
343 int64_t pos = avio_tell(pb);
345 avio_wl32(pb, track->tag); // store it byteswapped
346 track->enc->codec_tag = av_bswap16(track->tag >> 16);
347 ff_put_wav_header(pb, track->enc);
348 return update_size(pb, pos);
351 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
353 int64_t pos = avio_tell(pb);
355 ffio_wfourcc(pb, "wfex");
356 ff_put_wav_header(pb, track->enc);
357 return update_size(pb, pos);
360 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
362 uint32_t layout_tag, bitmap;
363 int64_t pos = avio_tell(pb);
365 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
366 track->enc->channel_layout,
369 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
370 "lack of channel information\n");
374 avio_wb32(pb, 0); // Size
375 ffio_wfourcc(pb, "chan"); // Type
376 avio_w8(pb, 0); // Version
377 avio_wb24(pb, 0); // Flags
378 avio_wb32(pb, layout_tag); // mChannelLayoutTag
379 avio_wb32(pb, bitmap); // mChannelBitmap
380 avio_wb32(pb, 0); // mNumberChannelDescriptions
382 return update_size(pb, pos);
385 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
387 int64_t pos = avio_tell(pb);
389 avio_wb32(pb, 0); /* size */
390 ffio_wfourcc(pb, "wave");
392 avio_wb32(pb, 12); /* size */
393 ffio_wfourcc(pb, "frma");
394 avio_wl32(pb, track->tag);
396 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
397 /* useless atom needed by mplayer, ipod, not needed by quicktime */
398 avio_wb32(pb, 12); /* size */
399 ffio_wfourcc(pb, "mp4a");
401 mov_write_esds_tag(pb, track);
402 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
403 mov_write_amr_tag(pb, track);
404 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
405 mov_write_ac3_tag(pb, track);
406 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
407 mov_write_extradata_tag(pb, track);
408 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
409 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
410 mov_write_ms_tag(pb, track);
413 avio_wb32(pb, 8); /* size */
414 avio_wb32(pb, 0); /* null tag */
416 return update_size(pb, pos);
419 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
422 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
423 int unescaped_size, seq_found = 0;
424 int level = 0, interlace = 0;
425 int packet_seq = track->vc1_info.packet_seq;
426 int packet_entry = track->vc1_info.packet_entry;
427 int slices = track->vc1_info.slices;
430 if (track->start_dts == AV_NOPTS_VALUE) {
431 /* No packets written yet, vc1_info isn't authoritative yet. */
432 /* Assume inline sequence and entry headers. This will be
433 * overwritten at the end if the file is seekable. */
434 packet_seq = packet_entry = 1;
437 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
439 return AVERROR(ENOMEM);
440 start = find_next_marker(track->vos_data, end);
441 for (next = start; next < end; start = next) {
444 next = find_next_marker(start + 4, end);
445 size = next - start - 4;
448 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
449 init_get_bits(&gb, unescaped, 8 * unescaped_size);
450 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
451 int profile = get_bits(&gb, 2);
452 if (profile != PROFILE_ADVANCED) {
454 return AVERROR(ENOSYS);
457 level = get_bits(&gb, 3);
458 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
460 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
461 skip_bits(&gb, 1); /* broadcast */
462 interlace = get_bits1(&gb);
463 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
468 return AVERROR(ENOSYS);
471 init_put_bits(&pbc, buf, 7);
472 /* VC1DecSpecStruc */
473 put_bits(&pbc, 4, 12); /* profile - advanced */
474 put_bits(&pbc, 3, level);
475 put_bits(&pbc, 1, 0); /* reserved */
476 /* VC1AdvDecSpecStruc */
477 put_bits(&pbc, 3, level);
478 put_bits(&pbc, 1, 0); /* cbr */
479 put_bits(&pbc, 6, 0); /* reserved */
480 put_bits(&pbc, 1, !interlace); /* no interlace */
481 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
482 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
483 put_bits(&pbc, 1, !slices); /* no slice code */
484 put_bits(&pbc, 1, 0); /* no bframe */
485 put_bits(&pbc, 1, 0); /* reserved */
488 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
489 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
491 put_bits32(&pbc, 0xffffffff);
493 flush_put_bits(&pbc);
500 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
502 uint8_t buf[7] = { 0 };
505 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
508 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
509 ffio_wfourcc(pb, "dvc1");
510 track->vc1_info.struct_offset = avio_tell(pb);
511 avio_write(pb, buf, sizeof(buf));
512 avio_write(pb, track->vos_data, track->vos_len);
517 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
519 avio_wb32(pb, track->vos_len + 8);
520 ffio_wfourcc(pb, "glbl");
521 avio_write(pb, track->vos_data, track->vos_len);
522 return 8 + track->vos_len;
526 * Compute flags for 'lpcm' tag.
527 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
529 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
532 case AV_CODEC_ID_PCM_F32BE:
533 case AV_CODEC_ID_PCM_F64BE:
535 case AV_CODEC_ID_PCM_F32LE:
536 case AV_CODEC_ID_PCM_F64LE:
538 case AV_CODEC_ID_PCM_U8:
540 case AV_CODEC_ID_PCM_S16BE:
541 case AV_CODEC_ID_PCM_S24BE:
542 case AV_CODEC_ID_PCM_S32BE:
544 case AV_CODEC_ID_PCM_S8:
545 case AV_CODEC_ID_PCM_S16LE:
546 case AV_CODEC_ID_PCM_S24LE:
547 case AV_CODEC_ID_PCM_S32LE:
554 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
558 if (cluster_idx >= track->entry)
561 if (cluster_idx + 1 == track->entry)
562 next_dts = track->track_duration + track->start_dts;
564 next_dts = track->cluster[cluster_idx + 1].dts;
566 return next_dts - track->cluster[cluster_idx].dts;
569 static int get_samples_per_packet(MOVTrack *track)
571 int i, first_duration;
573 /* use 1 for raw PCM */
574 if (!track->audio_vbr)
577 /* check to see if duration is constant for all clusters */
580 first_duration = get_cluster_duration(track, 0);
581 for (i = 1; i < track->entry; i++) {
582 if (get_cluster_duration(track, i) != first_duration)
585 return first_duration;
588 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
590 int64_t pos = avio_tell(pb);
592 uint32_t tag = track->tag;
594 if (track->mode == MODE_MOV) {
595 if (mov_get_lpcm_flags(track->enc->codec_id))
596 tag = AV_RL32("lpcm");
600 avio_wb32(pb, 0); /* size */
601 avio_wl32(pb, tag); // store it byteswapped
602 avio_wb32(pb, 0); /* Reserved */
603 avio_wb16(pb, 0); /* Reserved */
604 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
606 /* SoundDescription */
607 avio_wb16(pb, version); /* Version */
608 avio_wb16(pb, 0); /* Revision level */
609 avio_wb32(pb, 0); /* Reserved */
614 avio_wb16(pb, 0xfffe);
616 avio_wb32(pb, 0x00010000);
618 avio_wb64(pb, av_double2int(track->enc->sample_rate));
619 avio_wb32(pb, track->enc->channels);
620 avio_wb32(pb, 0x7F000000);
621 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
622 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
623 avio_wb32(pb, track->sample_size);
624 avio_wb32(pb, get_samples_per_packet(track));
626 /* reserved for mp4/3gp */
631 avio_wb16(pb, 0); /* packet size (= 0) */
632 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
633 track->enc->sample_rate : 0);
634 avio_wb16(pb, 0); /* Reserved */
637 if (track->mode == MODE_MOV &&
638 (track->enc->codec_id == AV_CODEC_ID_AAC ||
639 track->enc->codec_id == AV_CODEC_ID_AC3 ||
640 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
641 track->enc->codec_id == AV_CODEC_ID_ALAC ||
642 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
643 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
644 mov_write_wave_tag(pb, track);
645 else if (track->tag == MKTAG('m','p','4','a'))
646 mov_write_esds_tag(pb, track);
647 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
648 mov_write_amr_tag(pb, track);
649 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
650 mov_write_ac3_tag(pb, track);
651 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
652 mov_write_extradata_tag(pb, track);
653 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
654 mov_write_wfex_tag(pb, track);
655 else if (track->vos_len > 0)
656 mov_write_glbl_tag(pb, track);
658 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
659 mov_write_chan_tag(pb, track);
661 return update_size(pb, pos);
664 static int mov_write_d263_tag(AVIOContext *pb)
666 avio_wb32(pb, 0xf); /* size */
667 ffio_wfourcc(pb, "d263");
668 ffio_wfourcc(pb, "FFMP");
669 avio_w8(pb, 0); /* decoder version */
670 /* FIXME use AVCodecContext level/profile, when encoder will set values */
671 avio_w8(pb, 0xa); /* level */
672 avio_w8(pb, 0); /* profile */
676 /* TODO: No idea about these values */
677 static int mov_write_svq3_tag(AVIOContext *pb)
680 ffio_wfourcc(pb, "SMI ");
681 ffio_wfourcc(pb, "SEQH");
683 avio_wb32(pb, 0xe2c0211d);
684 avio_wb32(pb, 0xc0000000);
689 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
691 int64_t pos = avio_tell(pb);
694 ffio_wfourcc(pb, "avcC");
695 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
696 return update_size(pb, pos);
699 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
701 int64_t pos = avio_tell(pb);
704 ffio_wfourcc(pb, "hvcC");
705 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
706 return update_size(pb, pos);
709 /* also used by all avid codecs (dv, imx, meridien) and their variants */
710 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
713 avio_wb32(pb, 24); /* size */
714 ffio_wfourcc(pb, "ACLR");
715 ffio_wfourcc(pb, "ACLR");
716 ffio_wfourcc(pb, "0001");
717 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
718 avio_wb32(pb, 0); /* unknown */
720 avio_wb32(pb, 24); /* size */
721 ffio_wfourcc(pb, "APRG");
722 ffio_wfourcc(pb, "APRG");
723 ffio_wfourcc(pb, "0001");
724 avio_wb32(pb, 1); /* unknown */
725 avio_wb32(pb, 0); /* unknown */
727 avio_wb32(pb, 120); /* size */
728 ffio_wfourcc(pb, "ARES");
729 ffio_wfourcc(pb, "ARES");
730 ffio_wfourcc(pb, "0001");
731 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
732 avio_wb32(pb, track->enc->width);
733 /* values below are based on samples created with quicktime and avid codecs */
734 if (track->vos_data[5] & 2) { // interlaced
735 avio_wb32(pb, track->enc->height / 2);
736 avio_wb32(pb, 2); /* unknown */
737 avio_wb32(pb, 0); /* unknown */
738 avio_wb32(pb, 4); /* unknown */
740 avio_wb32(pb, track->enc->height);
741 avio_wb32(pb, 1); /* unknown */
742 avio_wb32(pb, 0); /* unknown */
743 if (track->enc->height == 1080)
744 avio_wb32(pb, 5); /* unknown */
746 avio_wb32(pb, 6); /* unknown */
749 for (i = 0; i < 10; i++)
752 /* extra padding for stsd needed */
757 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
759 int tag = track->enc->codec_tag;
761 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
764 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
765 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
766 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
767 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
768 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
769 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
770 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
771 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
772 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
777 static const AVCodecTag codec_ipod_tags[] = {
778 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
779 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
780 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
781 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
782 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
783 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
784 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
785 { AV_CODEC_ID_NONE, 0 },
788 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
790 int tag = track->enc->codec_tag;
792 // keep original tag for subs, ipod supports both formats
793 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
794 (tag == MKTAG('t', 'x', '3', 'g') ||
795 tag == MKTAG('t', 'e', 'x', 't'))))
796 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
798 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
799 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
800 "Quicktime/Ipod might not play the file\n");
805 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
809 if (track->enc->width == 720) /* SD */
810 if (track->enc->height == 480) /* NTSC */
811 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
812 else tag = MKTAG('d','v','c',' ');
813 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
814 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
815 else tag = MKTAG('d','v','p','p');
816 else if (track->enc->height == 720) /* HD 720 line */
817 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
818 else tag = MKTAG('d','v','h','p');
819 else if (track->enc->height == 1080) /* HD 1080 line */
820 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
821 else tag = MKTAG('d','v','h','6');
823 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
830 static const struct {
831 enum AVPixelFormat pix_fmt;
834 } mov_pix_fmt_tags[] = {
835 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
836 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
837 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
838 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
839 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
840 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
841 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
842 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
843 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
844 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
845 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
846 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
847 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
848 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
851 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
853 int tag = track->enc->codec_tag;
856 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
857 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
858 tag = mov_pix_fmt_tags[i].tag;
859 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
867 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
869 int tag = track->enc->codec_tag;
871 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
872 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
873 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
874 track->enc->codec_id == AV_CODEC_ID_H263 ||
875 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
876 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
877 tag = mov_get_dv_codec_tag(s, track);
878 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
879 tag = mov_get_rawvideo_codec_tag(s, track);
880 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
881 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
882 if (!tag) { // if no mac fcc found, try with Microsoft tags
883 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
885 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
886 "the file may be unplayable!\n");
888 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
889 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
890 if (!tag) { // if no mac fcc found, try with Microsoft tags
891 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
893 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
894 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
895 "the file may be unplayable!\n");
898 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
899 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
905 static const AVCodecTag codec_3gp_tags[] = {
906 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
907 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
908 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
909 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
910 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
911 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
912 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
913 { AV_CODEC_ID_NONE, 0 },
916 static const AVCodecTag codec_f4v_tags[] = {
917 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
918 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
919 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
920 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
921 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
922 { AV_CODEC_ID_NONE, 0 },
925 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
929 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
930 tag = mp4_get_codec_tag(s, track);
931 else if (track->mode == MODE_ISM) {
932 tag = mp4_get_codec_tag(s, track);
933 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
934 tag = MKTAG('w', 'm', 'a', ' ');
935 } else if (track->mode == MODE_IPOD)
936 tag = ipod_get_codec_tag(s, track);
937 else if (track->mode & MODE_3GP)
938 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
939 else if (track->mode == MODE_F4V)
940 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
942 tag = mov_get_codec_tag(s, track);
948 * Needed to make file play in iPods running newest firmware
949 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
951 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
954 ffio_wfourcc(pb, "uuid");
955 avio_wb32(pb, 0x6b6840f2);
956 avio_wb32(pb, 0x5f244fc5);
957 avio_wb32(pb, 0xba39a51b);
958 avio_wb32(pb, 0xcf0323f3);
963 static const uint16_t fiel_data[] = {
964 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
967 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
969 unsigned mov_field_order = 0;
970 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
971 mov_field_order = fiel_data[track->enc->field_order];
975 ffio_wfourcc(pb, "fiel");
976 avio_wb16(pb, mov_field_order);
980 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
982 int64_t pos = avio_tell(pb);
983 avio_wb32(pb, 0); /* size */
984 avio_wl32(pb, track->tag); // store it byteswapped
985 avio_wb32(pb, 0); /* Reserved */
986 avio_wb16(pb, 0); /* Reserved */
987 avio_wb16(pb, 1); /* Data-reference index */
989 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
990 mov_write_esds_tag(pb, track);
991 else if (track->enc->extradata_size)
992 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
994 return update_size(pb, pos);
997 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1000 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1001 track->enc->sample_aspect_ratio.den, INT_MAX);
1004 ffio_wfourcc(pb, "pasp");
1005 avio_wb32(pb, sar.num);
1006 avio_wb32(pb, sar.den);
1010 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1012 AVDictionaryEntry *encoder;
1013 int64_t pos = avio_tell(pb);
1014 char compressor_name[32] = { 0 };
1016 avio_wb32(pb, 0); /* size */
1017 avio_wl32(pb, track->tag); // store it byteswapped
1018 avio_wb32(pb, 0); /* Reserved */
1019 avio_wb16(pb, 0); /* Reserved */
1020 avio_wb16(pb, 1); /* Data-reference index */
1022 avio_wb16(pb, 0); /* Codec stream version */
1023 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1024 if (track->mode == MODE_MOV) {
1025 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1026 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1027 avio_wb32(pb, 0); /* Temporal Quality */
1028 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1030 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1031 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1034 avio_wb32(pb, 0); /* Reserved */
1035 avio_wb32(pb, 0); /* Reserved */
1036 avio_wb32(pb, 0); /* Reserved */
1038 avio_wb16(pb, track->enc->width); /* Video width */
1039 avio_wb16(pb, track->height); /* Video height */
1040 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1041 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1042 avio_wb32(pb, 0); /* Data size (= 0) */
1043 avio_wb16(pb, 1); /* Frame count (= 1) */
1045 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1046 if (track->mode == MODE_MOV &&
1047 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0)))
1048 av_strlcpy(compressor_name, encoder->value, 32);
1049 avio_w8(pb, strlen(compressor_name));
1050 avio_write(pb, compressor_name, 31);
1052 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1053 avio_wb16(pb, track->enc->bits_per_coded_sample);
1055 avio_wb16(pb, 0x18); /* Reserved */
1056 avio_wb16(pb, 0xffff); /* Reserved */
1057 if (track->tag == MKTAG('m','p','4','v'))
1058 mov_write_esds_tag(pb, track);
1059 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1060 mov_write_d263_tag(pb);
1061 else if (track->enc->codec_id == AV_CODEC_ID_SVQ3)
1062 mov_write_svq3_tag(pb);
1063 else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1064 mov_write_avid_tag(pb, track);
1065 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1066 mov_write_hvcc_tag(pb, track);
1067 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
1068 mov_write_avcc_tag(pb, track);
1069 if (track->mode == MODE_IPOD)
1070 mov_write_uuid_tag_ipod(pb);
1071 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1072 mov_write_fiel_tag(pb, track);
1073 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1074 mov_write_dvc1_tag(pb, track);
1075 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1076 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1077 /* Don't write any potential extradata here - the cropping
1078 * is signalled via the normal width/height fields. */
1079 } else if (track->vos_len > 0)
1080 mov_write_glbl_tag(pb, track);
1082 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1083 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1084 mov_write_pasp_tag(pb, track);
1087 return update_size(pb, pos);
1090 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1092 int64_t pos = avio_tell(pb);
1093 avio_wb32(pb, 0); /* size */
1094 ffio_wfourcc(pb, "rtp ");
1095 avio_wb32(pb, 0); /* Reserved */
1096 avio_wb16(pb, 0); /* Reserved */
1097 avio_wb16(pb, 1); /* Data-reference index */
1099 avio_wb16(pb, 1); /* Hint track version */
1100 avio_wb16(pb, 1); /* Highest compatible version */
1101 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1103 avio_wb32(pb, 12); /* size */
1104 ffio_wfourcc(pb, "tims");
1105 avio_wb32(pb, track->timescale);
1107 return update_size(pb, pos);
1110 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1112 int64_t pos = avio_tell(pb);
1114 avio_wb32(pb, 0); /* size */
1115 ffio_wfourcc(pb, "tmcd"); /* Data format */
1116 avio_wb32(pb, 0); /* Reserved */
1117 avio_wb32(pb, 1); /* Data reference index */
1118 if (track->enc->extradata_size)
1119 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1120 return update_size(pb, pos);
1123 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1125 int64_t pos = avio_tell(pb);
1126 avio_wb32(pb, 0); /* size */
1127 ffio_wfourcc(pb, "stsd");
1128 avio_wb32(pb, 0); /* version & flags */
1129 avio_wb32(pb, 1); /* entry count */
1130 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1131 mov_write_video_tag(pb, track);
1132 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1133 mov_write_audio_tag(pb, track);
1134 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1135 mov_write_subtitle_tag(pb, track);
1136 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1137 mov_write_rtp_tag(pb, track);
1138 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1139 mov_write_tmcd_tag(pb, track);
1140 return update_size(pb, pos);
1143 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1145 MOVStts *ctts_entries;
1146 uint32_t entries = 0;
1150 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1151 ctts_entries[0].count = 1;
1152 ctts_entries[0].duration = track->cluster[0].cts;
1153 for (i = 1; i < track->entry; i++) {
1154 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1155 ctts_entries[entries].count++; /* compress */
1158 ctts_entries[entries].duration = track->cluster[i].cts;
1159 ctts_entries[entries].count = 1;
1162 entries++; /* last one */
1163 atom_size = 16 + (entries * 8);
1164 avio_wb32(pb, atom_size); /* size */
1165 ffio_wfourcc(pb, "ctts");
1166 avio_wb32(pb, 0); /* version & flags */
1167 avio_wb32(pb, entries); /* entry count */
1168 for (i = 0; i < entries; i++) {
1169 avio_wb32(pb, ctts_entries[i].count);
1170 avio_wb32(pb, ctts_entries[i].duration);
1172 av_free(ctts_entries);
1176 /* Time to sample atom */
1177 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1179 MOVStts *stts_entries;
1180 uint32_t entries = -1;
1184 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1185 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1186 stts_entries[0].count = track->sample_count;
1187 stts_entries[0].duration = 1;
1190 stts_entries = track->entry ?
1191 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1193 for (i = 0; i < track->entry; i++) {
1194 int duration = get_cluster_duration(track, i);
1195 if (i && duration == stts_entries[entries].duration) {
1196 stts_entries[entries].count++; /* compress */
1199 stts_entries[entries].duration = duration;
1200 stts_entries[entries].count = 1;
1203 entries++; /* last one */
1205 atom_size = 16 + (entries * 8);
1206 avio_wb32(pb, atom_size); /* size */
1207 ffio_wfourcc(pb, "stts");
1208 avio_wb32(pb, 0); /* version & flags */
1209 avio_wb32(pb, entries); /* entry count */
1210 for (i = 0; i < entries; i++) {
1211 avio_wb32(pb, stts_entries[i].count);
1212 avio_wb32(pb, stts_entries[i].duration);
1214 av_free(stts_entries);
1218 static int mov_write_dref_tag(AVIOContext *pb)
1220 avio_wb32(pb, 28); /* size */
1221 ffio_wfourcc(pb, "dref");
1222 avio_wb32(pb, 0); /* version & flags */
1223 avio_wb32(pb, 1); /* entry count */
1225 avio_wb32(pb, 0xc); /* size */
1226 ffio_wfourcc(pb, "url ");
1227 avio_wb32(pb, 1); /* version & flags */
1232 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1234 int64_t pos = avio_tell(pb);
1235 avio_wb32(pb, 0); /* size */
1236 ffio_wfourcc(pb, "stbl");
1237 mov_write_stsd_tag(pb, track);
1238 mov_write_stts_tag(pb, track);
1239 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1240 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1241 track->has_keyframes && track->has_keyframes < track->entry)
1242 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1243 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1244 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1245 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1246 track->flags & MOV_TRACK_CTTS)
1247 mov_write_ctts_tag(pb, track);
1248 mov_write_stsc_tag(pb, track);
1249 mov_write_stsz_tag(pb, track);
1250 mov_write_stco_tag(pb, track);
1251 return update_size(pb, pos);
1254 static int mov_write_dinf_tag(AVIOContext *pb)
1256 int64_t pos = avio_tell(pb);
1257 avio_wb32(pb, 0); /* size */
1258 ffio_wfourcc(pb, "dinf");
1259 mov_write_dref_tag(pb);
1260 return update_size(pb, pos);
1263 static int mov_write_nmhd_tag(AVIOContext *pb)
1266 ffio_wfourcc(pb, "nmhd");
1271 static int mov_write_gmhd_tag(AVIOContext *pb)
1273 avio_wb32(pb, 0x20); /* size */
1274 ffio_wfourcc(pb, "gmhd");
1275 avio_wb32(pb, 0x18); /* gmin size */
1276 ffio_wfourcc(pb, "gmin");/* generic media info */
1277 avio_wb32(pb, 0); /* version & flags */
1278 avio_wb16(pb, 0x40); /* graphics mode = */
1279 avio_wb16(pb, 0x8000); /* opColor (r?) */
1280 avio_wb16(pb, 0x8000); /* opColor (g?) */
1281 avio_wb16(pb, 0x8000); /* opColor (b?) */
1282 avio_wb16(pb, 0); /* balance */
1283 avio_wb16(pb, 0); /* reserved */
1287 static int mov_write_smhd_tag(AVIOContext *pb)
1289 avio_wb32(pb, 16); /* size */
1290 ffio_wfourcc(pb, "smhd");
1291 avio_wb32(pb, 0); /* version & flags */
1292 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1293 avio_wb16(pb, 0); /* reserved */
1297 static int mov_write_vmhd_tag(AVIOContext *pb)
1299 avio_wb32(pb, 0x14); /* size (always 0x14) */
1300 ffio_wfourcc(pb, "vmhd");
1301 avio_wb32(pb, 0x01); /* version & flags */
1302 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1306 static int is_clcp_track(MOVTrack *track)
1308 return track->tag == MKTAG('c','7','0','8') ||
1309 track->tag == MKTAG('c','6','0','8');
1312 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1314 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1315 int64_t pos = avio_tell(pb);
1319 descr = "DataHandler";
1322 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1323 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1325 descr = "VideoHandler";
1326 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1328 descr = "SoundHandler";
1329 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1330 if (track->tag == MKTAG('t','x','3','g')) {
1332 } else if (track->tag == MKTAG('m','p','4','s')) {
1334 } else if (is_clcp_track(track)) {
1339 descr = "SubtitleHandler";
1340 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1342 descr = "HintHandler";
1343 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1345 descr = "TimeCodeHandler";
1348 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1349 track->enc->codec_tag);
1351 av_log(track->enc, AV_LOG_WARNING,
1352 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1353 tag_buf, track->enc->codec_tag);
1357 avio_wb32(pb, 0); /* size */
1358 ffio_wfourcc(pb, "hdlr");
1359 avio_wb32(pb, 0); /* Version & flags */
1360 avio_write(pb, hdlr, 4); /* handler */
1361 ffio_wfourcc(pb, hdlr_type); /* handler type */
1362 avio_wb32(pb, 0); /* reserved */
1363 avio_wb32(pb, 0); /* reserved */
1364 avio_wb32(pb, 0); /* reserved */
1365 if (!track || track->mode == MODE_MOV)
1366 avio_w8(pb, strlen(descr)); /* pascal string */
1367 avio_write(pb, descr, strlen(descr)); /* handler description */
1368 if (track && track->mode != MODE_MOV)
1369 avio_w8(pb, 0); /* c string */
1370 return update_size(pb, pos);
1373 static int mov_write_hmhd_tag(AVIOContext *pb)
1375 /* This atom must be present, but leaving the values at zero
1376 * seems harmless. */
1377 avio_wb32(pb, 28); /* size */
1378 ffio_wfourcc(pb, "hmhd");
1379 avio_wb32(pb, 0); /* version, flags */
1380 avio_wb16(pb, 0); /* maxPDUsize */
1381 avio_wb16(pb, 0); /* avgPDUsize */
1382 avio_wb32(pb, 0); /* maxbitrate */
1383 avio_wb32(pb, 0); /* avgbitrate */
1384 avio_wb32(pb, 0); /* reserved */
1388 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1390 int64_t pos = avio_tell(pb);
1391 avio_wb32(pb, 0); /* size */
1392 ffio_wfourcc(pb, "minf");
1393 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1394 mov_write_vmhd_tag(pb);
1395 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1396 mov_write_smhd_tag(pb);
1397 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1398 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1399 mov_write_gmhd_tag(pb);
1401 mov_write_nmhd_tag(pb);
1403 } else if (track->tag == MKTAG('r','t','p',' ')) {
1404 mov_write_hmhd_tag(pb);
1405 } else if (track->tag == MKTAG('t','m','c','d')) {
1406 mov_write_gmhd_tag(pb);
1408 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1409 mov_write_hdlr_tag(pb, NULL);
1410 mov_write_dinf_tag(pb);
1411 mov_write_stbl_tag(pb, track);
1412 return update_size(pb, pos);
1415 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1417 int version = track->track_duration < INT32_MAX ? 0 : 1;
1419 if (track->mode == MODE_ISM)
1422 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1423 ffio_wfourcc(pb, "mdhd");
1424 avio_w8(pb, version);
1425 avio_wb24(pb, 0); /* flags */
1427 avio_wb64(pb, track->time);
1428 avio_wb64(pb, track->time);
1430 avio_wb32(pb, track->time); /* creation time */
1431 avio_wb32(pb, track->time); /* modification time */
1433 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1435 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1437 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1438 avio_wb16(pb, track->language); /* language */
1439 avio_wb16(pb, 0); /* reserved (quality) */
1441 if (version != 0 && track->mode == MODE_MOV) {
1442 av_log(NULL, AV_LOG_ERROR,
1443 "FATAL error, file duration too long for timebase, this file will not be\n"
1444 "playable with quicktime. Choose a different timebase or a different\n"
1445 "container format\n");
1451 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1453 int64_t pos = avio_tell(pb);
1454 avio_wb32(pb, 0); /* size */
1455 ffio_wfourcc(pb, "mdia");
1456 mov_write_mdhd_tag(pb, track);
1457 mov_write_hdlr_tag(pb, track);
1458 mov_write_minf_tag(pb, track);
1459 return update_size(pb, pos);
1462 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1464 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1465 track->timescale, AV_ROUND_UP);
1466 int version = duration < INT32_MAX ? 0 : 1;
1468 if (track->mode == MODE_ISM)
1471 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1472 ffio_wfourcc(pb, "tkhd");
1473 avio_w8(pb, version);
1474 avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ?
1475 MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE :
1476 MOV_TKHD_FLAG_IN_MOVIE);
1478 avio_wb64(pb, track->time);
1479 avio_wb64(pb, track->time);
1481 avio_wb32(pb, track->time); /* creation time */
1482 avio_wb32(pb, track->time); /* modification time */
1484 avio_wb32(pb, track->track_id); /* track-id */
1485 avio_wb32(pb, 0); /* reserved */
1487 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1489 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1491 avio_wb32(pb, 0); /* reserved */
1492 avio_wb32(pb, 0); /* reserved */
1493 avio_wb16(pb, 0); /* layer */
1494 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1495 /* Volume, only for audio */
1496 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1497 avio_wb16(pb, 0x0100);
1500 avio_wb16(pb, 0); /* reserved */
1502 /* Matrix structure */
1503 avio_wb32(pb, 0x00010000); /* reserved */
1504 avio_wb32(pb, 0x0); /* reserved */
1505 avio_wb32(pb, 0x0); /* reserved */
1506 avio_wb32(pb, 0x0); /* reserved */
1507 avio_wb32(pb, 0x00010000); /* reserved */
1508 avio_wb32(pb, 0x0); /* reserved */
1509 avio_wb32(pb, 0x0); /* reserved */
1510 avio_wb32(pb, 0x0); /* reserved */
1511 avio_wb32(pb, 0x40000000); /* reserved */
1513 /* Track width and height, for visual only */
1514 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1515 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1516 if (track->mode == MODE_MOV) {
1517 avio_wb32(pb, track->enc->width << 16);
1518 avio_wb32(pb, track->height << 16);
1520 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1521 if (!sample_aspect_ratio || track->height != track->enc->height)
1522 sample_aspect_ratio = 1;
1523 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1524 avio_wb32(pb, track->height * 0x10000);
1533 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1535 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1536 track->enc->sample_aspect_ratio.den);
1538 int64_t pos = avio_tell(pb);
1540 avio_wb32(pb, 0); /* size */
1541 ffio_wfourcc(pb, "tapt");
1544 ffio_wfourcc(pb, "clef");
1546 avio_wb32(pb, width << 16);
1547 avio_wb32(pb, track->enc->height << 16);
1550 ffio_wfourcc(pb, "prof");
1552 avio_wb32(pb, width << 16);
1553 avio_wb32(pb, track->enc->height << 16);
1556 ffio_wfourcc(pb, "enof");
1558 avio_wb32(pb, track->enc->width << 16);
1559 avio_wb32(pb, track->enc->height << 16);
1561 return update_size(pb, pos);
1564 // This box seems important for the psp playback ... without it the movie seems to hang
1565 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1567 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1568 track->timescale, AV_ROUND_UP);
1569 int version = duration < INT32_MAX ? 0 : 1;
1570 int entry_size, entry_count, size;
1571 int64_t delay, start_ct = track->cluster[0].cts;
1572 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1573 track->timescale, AV_ROUND_DOWN);
1574 version |= delay < INT32_MAX ? 0 : 1;
1576 entry_size = (version == 1) ? 20 : 12;
1577 entry_count = 1 + (delay > 0);
1578 size = 24 + entry_count * entry_size;
1580 /* write the atom data */
1581 avio_wb32(pb, size);
1582 ffio_wfourcc(pb, "edts");
1583 avio_wb32(pb, size - 8);
1584 ffio_wfourcc(pb, "elst");
1585 avio_w8(pb, version);
1586 avio_wb24(pb, 0); /* flags */
1588 avio_wb32(pb, entry_count);
1589 if (delay > 0) { /* add an empty edit to delay presentation */
1591 avio_wb64(pb, delay);
1594 avio_wb32(pb, delay);
1597 avio_wb32(pb, 0x00010000);
1602 avio_wb64(pb, duration);
1603 avio_wb64(pb, start_ct);
1605 avio_wb32(pb, duration);
1606 avio_wb32(pb, start_ct);
1608 avio_wb32(pb, 0x00010000);
1612 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1614 avio_wb32(pb, 20); // size
1615 ffio_wfourcc(pb, "tref");
1616 avio_wb32(pb, 12); // size (subatom)
1617 avio_wl32(pb, track->tref_tag);
1618 avio_wb32(pb, track->tref_id);
1622 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1623 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1625 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1626 ffio_wfourcc(pb, "uuid");
1627 ffio_wfourcc(pb, "USMT");
1628 avio_wb32(pb, 0x21d24fce);
1629 avio_wb32(pb, 0xbb88695c);
1630 avio_wb32(pb, 0xfac9c740);
1631 avio_wb32(pb, 0x1c); // another size here!
1632 ffio_wfourcc(pb, "MTDT");
1633 avio_wb32(pb, 0x00010012);
1634 avio_wb32(pb, 0x0a);
1635 avio_wb32(pb, 0x55c40000);
1641 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1643 AVFormatContext *ctx = track->rtp_ctx;
1644 char buf[1000] = "";
1647 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1648 NULL, NULL, 0, 0, ctx);
1649 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1652 avio_wb32(pb, len + 24);
1653 ffio_wfourcc(pb, "udta");
1654 avio_wb32(pb, len + 16);
1655 ffio_wfourcc(pb, "hnti");
1656 avio_wb32(pb, len + 8);
1657 ffio_wfourcc(pb, "sdp ");
1658 avio_write(pb, buf, len);
1662 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1663 MOVTrack *track, AVStream *st)
1665 int64_t pos = avio_tell(pb);
1666 avio_wb32(pb, 0); /* size */
1667 ffio_wfourcc(pb, "trak");
1668 mov_write_tkhd_tag(pb, track, st);
1669 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1670 (track->entry && track->cluster[0].dts) ||
1671 is_clcp_track(track)) {
1672 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1673 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1675 if (track->tref_tag)
1676 mov_write_tref_tag(pb, track);
1677 mov_write_mdia_tag(pb, track);
1678 if (track->mode == MODE_PSP)
1679 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
1680 if (track->tag == MKTAG('r','t','p',' '))
1681 mov_write_udta_sdp(pb, track);
1682 if (track->mode == MODE_MOV) {
1683 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1684 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1685 if ((0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)) {
1686 mov_write_tapt_tag(pb, track);
1689 if (is_clcp_track(track)) {
1690 mov_write_tapt_tag(pb, track);
1693 return update_size(pb, pos);
1696 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1698 int i, has_audio = 0, has_video = 0;
1699 int64_t pos = avio_tell(pb);
1700 int audio_profile = mov->iods_audio_profile;
1701 int video_profile = mov->iods_video_profile;
1702 for (i = 0; i < mov->nb_streams; i++) {
1703 if (mov->tracks[i].entry > 0) {
1704 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1705 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1708 if (audio_profile < 0)
1709 audio_profile = 0xFF - has_audio;
1710 if (video_profile < 0)
1711 video_profile = 0xFF - has_video;
1712 avio_wb32(pb, 0x0); /* size */
1713 ffio_wfourcc(pb, "iods");
1714 avio_wb32(pb, 0); /* version & flags */
1715 put_descr(pb, 0x10, 7);
1716 avio_wb16(pb, 0x004f);
1719 avio_w8(pb, audio_profile);
1720 avio_w8(pb, video_profile);
1722 return update_size(pb, pos);
1725 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1727 avio_wb32(pb, 0x20); /* size */
1728 ffio_wfourcc(pb, "trex");
1729 avio_wb32(pb, 0); /* version & flags */
1730 avio_wb32(pb, track->track_id); /* track ID */
1731 avio_wb32(pb, 1); /* default sample description index */
1732 avio_wb32(pb, 0); /* default sample duration */
1733 avio_wb32(pb, 0); /* default sample size */
1734 avio_wb32(pb, 0); /* default sample flags */
1738 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1740 int64_t pos = avio_tell(pb);
1742 avio_wb32(pb, 0x0); /* size */
1743 ffio_wfourcc(pb, "mvex");
1744 for (i = 0; i < mov->nb_streams; i++)
1745 mov_write_trex_tag(pb, &mov->tracks[i]);
1746 return update_size(pb, pos);
1749 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1751 int max_track_id = 1, i;
1752 int64_t max_track_len_temp, max_track_len = 0;
1755 for (i = 0; i < mov->nb_streams; i++) {
1756 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
1757 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1759 mov->tracks[i].timescale,
1761 if (max_track_len < max_track_len_temp)
1762 max_track_len = max_track_len_temp;
1763 if (max_track_id < mov->tracks[i].track_id)
1764 max_track_id = mov->tracks[i].track_id;
1768 version = max_track_len < UINT32_MAX ? 0 : 1;
1769 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1770 ffio_wfourcc(pb, "mvhd");
1771 avio_w8(pb, version);
1772 avio_wb24(pb, 0); /* flags */
1774 avio_wb64(pb, mov->time);
1775 avio_wb64(pb, mov->time);
1777 avio_wb32(pb, mov->time); /* creation time */
1778 avio_wb32(pb, mov->time); /* modification time */
1780 avio_wb32(pb, MOV_TIMESCALE);
1781 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1783 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1784 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1785 avio_wb16(pb, 0); /* reserved */
1786 avio_wb32(pb, 0); /* reserved */
1787 avio_wb32(pb, 0); /* reserved */
1789 /* Matrix structure */
1790 avio_wb32(pb, 0x00010000); /* reserved */
1791 avio_wb32(pb, 0x0); /* reserved */
1792 avio_wb32(pb, 0x0); /* reserved */
1793 avio_wb32(pb, 0x0); /* reserved */
1794 avio_wb32(pb, 0x00010000); /* reserved */
1795 avio_wb32(pb, 0x0); /* reserved */
1796 avio_wb32(pb, 0x0); /* reserved */
1797 avio_wb32(pb, 0x0); /* reserved */
1798 avio_wb32(pb, 0x40000000); /* reserved */
1800 avio_wb32(pb, 0); /* reserved (preview time) */
1801 avio_wb32(pb, 0); /* reserved (preview duration) */
1802 avio_wb32(pb, 0); /* reserved (poster time) */
1803 avio_wb32(pb, 0); /* reserved (selection time) */
1804 avio_wb32(pb, 0); /* reserved (selection duration) */
1805 avio_wb32(pb, 0); /* reserved (current time) */
1806 avio_wb32(pb, max_track_id + 1); /* Next track id */
1810 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1813 avio_wb32(pb, 33); /* size */
1814 ffio_wfourcc(pb, "hdlr");
1817 ffio_wfourcc(pb, "mdir");
1818 ffio_wfourcc(pb, "appl");
1825 /* helper function to write a data tag with the specified string as data */
1826 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1829 int size = 16 + strlen(data);
1830 avio_wb32(pb, size); /* size */
1831 ffio_wfourcc(pb, "data");
1834 avio_write(pb, data, strlen(data));
1838 lang = ff_mov_iso639_to_lang("und", 1);
1839 avio_wb16(pb, strlen(data)); /* string length */
1840 avio_wb16(pb, lang);
1841 avio_write(pb, data, strlen(data));
1842 return strlen(data) + 4;
1846 static int mov_write_string_tag(AVIOContext *pb, const char *name,
1847 const char *value, int lang, int long_style)
1850 if (value && value[0]) {
1851 int64_t pos = avio_tell(pb);
1852 avio_wb32(pb, 0); /* size */
1853 ffio_wfourcc(pb, name);
1854 mov_write_string_data_tag(pb, value, lang, long_style);
1855 size = update_size(pb, pos);
1860 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1861 const char *name, const char *tag,
1864 int l, lang = 0, len, len2;
1865 AVDictionaryEntry *t, *t2 = NULL;
1868 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1871 len = strlen(t->key);
1872 snprintf(tag2, sizeof(tag2), "%s-", tag);
1873 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1874 len2 = strlen(t2->key);
1875 if (len2 == len + 4 && !strcmp(t->value, t2->value)
1876 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
1881 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1884 /* iTunes track number */
1885 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1888 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1889 int size = 0, track = t ? atoi(t->value) : 0;
1891 avio_wb32(pb, 32); /* size */
1892 ffio_wfourcc(pb, "trkn");
1893 avio_wb32(pb, 24); /* size */
1894 ffio_wfourcc(pb, "data");
1895 avio_wb32(pb, 0); // 8 bytes empty
1897 avio_wb16(pb, 0); // empty
1898 avio_wb16(pb, track); // track number
1899 avio_wb16(pb, 0); // total track number
1900 avio_wb16(pb, 0); // empty
1906 /* iTunes meta data list */
1907 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1910 int64_t pos = avio_tell(pb);
1911 avio_wb32(pb, 0); /* size */
1912 ffio_wfourcc(pb, "ilst");
1913 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1914 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1915 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1916 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1917 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1918 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1919 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
1920 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1921 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1922 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1923 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1924 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1925 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1926 mov_write_string_metadata(s, pb, "desc", "description",1);
1927 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1928 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1929 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1930 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1931 mov_write_trkn_tag(pb, mov, s);
1932 return update_size(pb, pos);
1935 /* iTunes meta data tag */
1936 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1940 int64_t pos = avio_tell(pb);
1941 avio_wb32(pb, 0); /* size */
1942 ffio_wfourcc(pb, "meta");
1944 mov_write_itunes_hdlr_tag(pb, mov, s);
1945 mov_write_ilst_tag(pb, mov, s);
1946 size = update_size(pb, pos);
1950 static int utf8len(const uint8_t *b)
1955 GET_UTF8(val, *b++, return -1;)
1961 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1965 GET_UTF8(val, *b++, return -1;)
1968 avio_wb16(pb, 0x00);
1972 static uint16_t language_code(const char *str)
1974 return (((str[0] - 0x60) & 0x1F) << 10) +
1975 (((str[1] - 0x60) & 0x1F) << 5) +
1976 (( str[2] - 0x60) & 0x1F);
1979 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1980 const char *tag, const char *str)
1982 int64_t pos = avio_tell(pb);
1983 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1984 if (!t || !utf8len(t->value))
1986 avio_wb32(pb, 0); /* size */
1987 ffio_wfourcc(pb, tag); /* type */
1988 avio_wb32(pb, 0); /* version + flags */
1989 if (!strcmp(tag, "yrrc"))
1990 avio_wb16(pb, atoi(t->value));
1992 avio_wb16(pb, language_code("eng")); /* language */
1993 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
1994 if (!strcmp(tag, "albm") &&
1995 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1996 avio_w8(pb, atoi(t->value));
1998 return update_size(pb, pos);
2001 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2003 int64_t pos = avio_tell(pb);
2004 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2006 avio_wb32(pb, 0); // size
2007 ffio_wfourcc(pb, "chpl");
2008 avio_wb32(pb, 0x01000000); // version + flags
2009 avio_wb32(pb, 0); // unknown
2010 avio_w8(pb, nb_chapters);
2012 for (i = 0; i < nb_chapters; i++) {
2013 AVChapter *c = s->chapters[i];
2014 AVDictionaryEntry *t;
2015 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2017 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2018 int len = FFMIN(strlen(t->value), 255);
2020 avio_write(pb, t->value, len);
2024 return update_size(pb, pos);
2027 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2030 AVIOContext *pb_buf;
2034 for (i = 0; i < s->nb_streams; i++)
2035 if (s->flags & AVFMT_FLAG_BITEXACT) {
2039 ret = avio_open_dyn_buf(&pb_buf);
2043 if (mov->mode & MODE_3GP) {
2044 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2045 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2046 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2047 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2048 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2049 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2050 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2051 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2052 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2053 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2054 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2055 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2056 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2057 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2058 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2059 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2060 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2061 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2063 /* iTunes meta data */
2064 mov_write_meta_tag(pb_buf, mov, s);
2068 mov_write_chpl_tag(pb_buf, s);
2070 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2071 avio_wb32(pb, size + 8);
2072 ffio_wfourcc(pb, "udta");
2073 avio_write(pb, buf, size);
2080 static void mov_write_psp_udta_tag(AVIOContext *pb,
2081 const char *str, const char *lang, int type)
2083 int len = utf8len(str) + 1;
2086 avio_wb16(pb, len * 2 + 10); /* size */
2087 avio_wb32(pb, type); /* type */
2088 avio_wb16(pb, language_code(lang)); /* language */
2089 avio_wb16(pb, 0x01); /* ? */
2090 ascii_to_wc(pb, str);
2093 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2095 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2099 pos = avio_tell(pb);
2100 avio_wb32(pb, 0); /* size placeholder*/
2101 ffio_wfourcc(pb, "uuid");
2102 ffio_wfourcc(pb, "USMT");
2103 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2104 avio_wb32(pb, 0xbb88695c);
2105 avio_wb32(pb, 0xfac9c740);
2107 pos2 = avio_tell(pb);
2108 avio_wb32(pb, 0); /* size placeholder*/
2109 ffio_wfourcc(pb, "MTDT");
2113 avio_wb16(pb, 0x0C); /* size */
2114 avio_wb32(pb, 0x0B); /* type */
2115 avio_wb16(pb, language_code("und")); /* language */
2116 avio_wb16(pb, 0x0); /* ? */
2117 avio_wb16(pb, 0x021C); /* data */
2119 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2120 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2121 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2123 update_size(pb, pos2);
2124 return update_size(pb, pos);
2130 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2134 int64_t pos = avio_tell(pb);
2135 avio_wb32(pb, 0); /* size placeholder*/
2136 ffio_wfourcc(pb, "moov");
2138 for (i = 0; i < mov->nb_streams; i++) {
2139 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2142 mov->tracks[i].time = mov->time;
2143 mov->tracks[i].track_id = i + 1;
2146 if (mov->chapter_track)
2147 for (i = 0; i < s->nb_streams; i++) {
2148 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2149 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2151 for (i = 0; i < mov->nb_streams; i++) {
2152 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2153 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2154 mov->tracks[i].tref_id =
2155 mov->tracks[mov->tracks[i].src_track].track_id;
2159 mov_write_mvhd_tag(pb, mov);
2160 if (mov->mode != MODE_MOV && !mov->iods_skip)
2161 mov_write_iods_tag(pb, mov);
2162 for (i = 0; i < mov->nb_streams; i++) {
2163 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2164 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2167 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2168 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2170 if (mov->mode == MODE_PSP)
2171 mov_write_uuidusmt_tag(pb, s);
2173 mov_write_udta_tag(pb, mov, s);
2175 return update_size(pb, pos);
2178 static void param_write_int(AVIOContext *pb, const char *name, int value)
2180 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2183 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2185 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2188 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2191 len = FFMIN(sizeof(buf) / 2 - 1, len);
2192 ff_data_to_hex(buf, value, len, 0);
2193 buf[2 * len] = '\0';
2194 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2197 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2199 int64_t pos = avio_tell(pb);
2201 const uint8_t uuid[] = {
2202 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2203 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2207 ffio_wfourcc(pb, "uuid");
2208 avio_write(pb, uuid, sizeof(uuid));
2211 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2212 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2213 avio_printf(pb, "<head>\n");
2214 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2216 avio_printf(pb, "</head>\n");
2217 avio_printf(pb, "<body>\n");
2218 avio_printf(pb, "<switch>\n");
2219 for (i = 0; i < mov->nb_streams; i++) {
2220 MOVTrack *track = &mov->tracks[i];
2222 /* track->track_id is initialized in write_moov, and thus isn't known
2224 int track_id = i + 1;
2226 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2228 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2233 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2234 track->enc->bit_rate);
2235 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2236 param_write_int(pb, "trackID", track_id);
2237 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2238 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2240 int size = track->enc->extradata_size;
2241 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2243 param_write_hex(pb, "CodecPrivateData",
2244 ptr ? ptr : track->enc->extradata,
2248 param_write_string(pb, "FourCC", "H264");
2249 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2250 param_write_string(pb, "FourCC", "WVC1");
2251 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2252 track->enc->extradata_size);
2254 param_write_int(pb, "MaxWidth", track->enc->width);
2255 param_write_int(pb, "MaxHeight", track->enc->height);
2256 param_write_int(pb, "DisplayWidth", track->enc->width);
2257 param_write_int(pb, "DisplayHeight", track->enc->height);
2259 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2260 param_write_string(pb, "FourCC", "AACL");
2261 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2262 param_write_string(pb, "FourCC", "WMAP");
2264 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2265 track->enc->extradata_size);
2266 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2267 track->enc->codec_id));
2268 param_write_int(pb, "Channels", track->enc->channels);
2269 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2270 param_write_int(pb, "BitsPerSample", 16);
2271 param_write_int(pb, "PacketSize", track->enc->block_align ?
2272 track->enc->block_align : 4);
2274 avio_printf(pb, "</%s>\n", type);
2276 avio_printf(pb, "</switch>\n");
2277 avio_printf(pb, "</body>\n");
2278 avio_printf(pb, "</smil>\n");
2280 return update_size(pb, pos);
2283 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2286 ffio_wfourcc(pb, "mfhd");
2288 avio_wb32(pb, mov->fragments);
2292 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2293 MOVTrack *track, int64_t moof_offset)
2295 int64_t pos = avio_tell(pb);
2296 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2297 MOV_TFHD_BASE_DATA_OFFSET;
2298 if (!track->entry) {
2299 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2301 flags |= MOV_TFHD_DEFAULT_FLAGS;
2303 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2304 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2306 /* Don't set a default sample size, the silverlight player refuses
2307 * to play files with that set. Don't set a default sample duration,
2308 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2309 * file format says it MUST NOT be set. */
2310 if (track->mode == MODE_ISM)
2311 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2312 MOV_TFHD_BASE_DATA_OFFSET);
2314 avio_wb32(pb, 0); /* size placeholder */
2315 ffio_wfourcc(pb, "tfhd");
2316 avio_w8(pb, 0); /* version */
2317 avio_wb24(pb, flags);
2319 avio_wb32(pb, track->track_id); /* track-id */
2320 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2321 avio_wb64(pb, moof_offset);
2322 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2323 track->default_duration = get_cluster_duration(track, 0);
2324 avio_wb32(pb, track->default_duration);
2326 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2327 track->default_size = track->entry ? track->cluster[0].size : 1;
2328 avio_wb32(pb, track->default_size);
2330 track->default_size = -1;
2332 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2333 track->default_sample_flags =
2334 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2335 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2336 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2337 avio_wb32(pb, track->default_sample_flags);
2340 return update_size(pb, pos);
2343 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2345 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2346 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2349 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
2350 MOVTrack *track, int moof_size)
2352 int64_t pos = avio_tell(pb);
2353 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2356 for (i = 0; i < track->entry; i++) {
2357 if (get_cluster_duration(track, i) != track->default_duration)
2358 flags |= MOV_TRUN_SAMPLE_DURATION;
2359 if (track->cluster[i].size != track->default_size)
2360 flags |= MOV_TRUN_SAMPLE_SIZE;
2361 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2362 flags |= MOV_TRUN_SAMPLE_FLAGS;
2364 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2365 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2366 if (track->flags & MOV_TRACK_CTTS)
2367 flags |= MOV_TRUN_SAMPLE_CTS;
2369 avio_wb32(pb, 0); /* size placeholder */
2370 ffio_wfourcc(pb, "trun");
2371 avio_w8(pb, 0); /* version */
2372 avio_wb24(pb, flags);
2374 avio_wb32(pb, track->entry); /* sample count */
2375 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
2376 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
2377 track->track_id != 1)
2378 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2380 avio_wb32(pb, moof_size + 8 + track->data_offset +
2381 track->cluster[0].pos); /* data offset */
2382 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2383 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2385 for (i = 0; i < track->entry; i++) {
2386 if (flags & MOV_TRUN_SAMPLE_DURATION)
2387 avio_wb32(pb, get_cluster_duration(track, i));
2388 if (flags & MOV_TRUN_SAMPLE_SIZE)
2389 avio_wb32(pb, track->cluster[i].size);
2390 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2391 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2392 if (flags & MOV_TRUN_SAMPLE_CTS)
2393 avio_wb32(pb, track->cluster[i].cts);
2396 return update_size(pb, pos);
2399 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2401 int64_t pos = avio_tell(pb);
2402 const uint8_t uuid[] = {
2403 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2404 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2407 avio_wb32(pb, 0); /* size placeholder */
2408 ffio_wfourcc(pb, "uuid");
2409 avio_write(pb, uuid, sizeof(uuid));
2412 avio_wb64(pb, track->frag_start);
2413 avio_wb64(pb, track->start_dts + track->track_duration -
2414 track->cluster[0].dts);
2416 return update_size(pb, pos);
2419 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2420 MOVTrack *track, int entry)
2422 int n = track->nb_frag_info - 1 - entry, i;
2423 int size = 8 + 16 + 4 + 1 + 16*n;
2424 const uint8_t uuid[] = {
2425 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2426 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2432 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2433 avio_wb32(pb, size);
2434 ffio_wfourcc(pb, "uuid");
2435 avio_write(pb, uuid, sizeof(uuid));
2439 for (i = 0; i < n; i++) {
2440 int index = entry + 1 + i;
2441 avio_wb64(pb, track->frag_info[index].time);
2442 avio_wb64(pb, track->frag_info[index].duration);
2444 if (n < mov->ism_lookahead) {
2445 int free_size = 16 * (mov->ism_lookahead - n);
2446 avio_wb32(pb, free_size);
2447 ffio_wfourcc(pb, "free");
2448 for (i = 0; i < free_size - 8; i++)
2455 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2458 int64_t pos = avio_tell(pb);
2460 for (i = 0; i < mov->ism_lookahead; i++) {
2461 /* Update the tfrf tag for the last ism_lookahead fragments,
2462 * nb_frag_info - 1 is the next fragment to be written. */
2463 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2465 avio_seek(pb, pos, SEEK_SET);
2469 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2470 MOVTrack *track, int64_t moof_offset,
2473 int64_t pos = avio_tell(pb);
2474 avio_wb32(pb, 0); /* size placeholder */
2475 ffio_wfourcc(pb, "traf");
2477 mov_write_tfhd_tag(pb, mov, track, moof_offset);
2478 mov_write_trun_tag(pb, mov, track, moof_size);
2479 if (mov->mode == MODE_ISM) {
2480 mov_write_tfxd_tag(pb, track);
2482 if (mov->ism_lookahead) {
2483 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
2485 track->tfrf_offset = avio_tell(pb);
2486 avio_wb32(pb, 8 + size);
2487 ffio_wfourcc(pb, "free");
2488 for (i = 0; i < size; i++)
2493 return update_size(pb, pos);
2496 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2497 int tracks, int moof_size)
2499 int64_t pos = avio_tell(pb);
2502 avio_wb32(pb, 0); /* size placeholder */
2503 ffio_wfourcc(pb, "moof");
2505 mov_write_mfhd_tag(pb, mov);
2506 for (i = 0; i < mov->nb_streams; i++) {
2507 MOVTrack *track = &mov->tracks[i];
2508 if (tracks >= 0 && i != tracks)
2512 mov_write_traf_tag(pb, mov, track, pos, moof_size);
2515 return update_size(pb, pos);
2518 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2520 AVIOContext *avio_buf;
2523 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2525 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
2526 moof_size = ffio_close_null_buf(avio_buf);
2527 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2530 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2532 int64_t pos = avio_tell(pb);
2535 avio_wb32(pb, 0); /* size placeholder */
2536 ffio_wfourcc(pb, "tfra");
2537 avio_w8(pb, 1); /* version */
2540 avio_wb32(pb, track->track_id);
2541 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2542 avio_wb32(pb, track->nb_frag_info);
2543 for (i = 0; i < track->nb_frag_info; i++) {
2544 avio_wb64(pb, track->frag_info[i].time);
2545 avio_wb64(pb, track->frag_info[i].offset);
2546 avio_w8(pb, 1); /* traf number */
2547 avio_w8(pb, 1); /* trun number */
2548 avio_w8(pb, 1); /* sample number */
2551 return update_size(pb, pos);
2554 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2556 int64_t pos = avio_tell(pb);
2559 avio_wb32(pb, 0); /* size placeholder */
2560 ffio_wfourcc(pb, "mfra");
2561 /* An empty mfra atom is enough to indicate to the publishing point that
2562 * the stream has ended. */
2563 if (mov->flags & FF_MOV_FLAG_ISML)
2564 return update_size(pb, pos);
2566 for (i = 0; i < mov->nb_streams; i++) {
2567 MOVTrack *track = &mov->tracks[i];
2568 if (track->nb_frag_info)
2569 mov_write_tfra_tag(pb, track);
2573 ffio_wfourcc(pb, "mfro");
2574 avio_wb32(pb, 0); /* version + flags */
2575 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2577 return update_size(pb, pos);
2580 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2582 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2583 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2585 mov->mdat_pos = avio_tell(pb);
2586 avio_wb32(pb, 0); /* size placeholder*/
2587 ffio_wfourcc(pb, "mdat");
2591 /* TODO: This needs to be more general */
2592 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2594 MOVMuxContext *mov = s->priv_data;
2595 int64_t pos = avio_tell(pb);
2596 int has_h264 = 0, has_video = 0;
2600 for (i = 0; i < s->nb_streams; i++) {
2601 AVStream *st = s->streams[i];
2602 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2604 if (st->codec->codec_id == AV_CODEC_ID_H264)
2608 avio_wb32(pb, 0); /* size */
2609 ffio_wfourcc(pb, "ftyp");
2611 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2612 ffio_wfourcc(pb, mov->major_brand);
2613 else if (mov->mode == MODE_3GP) {
2614 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2615 minor = has_h264 ? 0x100 : 0x200;
2616 } else if (mov->mode & MODE_3G2) {
2617 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2618 minor = has_h264 ? 0x20000 : 0x10000;
2619 } else if (mov->mode == MODE_PSP)
2620 ffio_wfourcc(pb, "MSNV");
2621 else if (mov->mode == MODE_MP4)
2622 ffio_wfourcc(pb, "isom");
2623 else if (mov->mode == MODE_IPOD)
2624 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2625 else if (mov->mode == MODE_ISM)
2626 ffio_wfourcc(pb, "isml");
2627 else if (mov->mode == MODE_F4V)
2628 ffio_wfourcc(pb, "f4v ");
2630 ffio_wfourcc(pb, "qt ");
2632 avio_wb32(pb, minor);
2634 if (mov->mode == MODE_MOV)
2635 ffio_wfourcc(pb, "qt ");
2636 else if (mov->mode == MODE_ISM) {
2637 ffio_wfourcc(pb, "piff");
2638 ffio_wfourcc(pb, "iso2");
2640 ffio_wfourcc(pb, "isom");
2641 ffio_wfourcc(pb, "iso2");
2643 ffio_wfourcc(pb, "avc1");
2646 if (mov->mode == MODE_3GP)
2647 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2648 else if (mov->mode & MODE_3G2)
2649 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2650 else if (mov->mode == MODE_PSP)
2651 ffio_wfourcc(pb, "MSNV");
2652 else if (mov->mode == MODE_MP4)
2653 ffio_wfourcc(pb, "mp41");
2654 return update_size(pb, pos);
2657 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2659 AVStream *video_st = s->streams[0];
2660 AVCodecContext *video_codec = s->streams[0]->codec;
2661 AVCodecContext *audio_codec = s->streams[1]->codec;
2662 int audio_rate = audio_codec->sample_rate;
2663 // TODO: should be avg_frame_rate
2664 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
2665 int audio_kbitrate = audio_codec->bit_rate / 1000;
2666 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2668 avio_wb32(pb, 0x94); /* size */
2669 ffio_wfourcc(pb, "uuid");
2670 ffio_wfourcc(pb, "PROF");
2672 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2673 avio_wb32(pb, 0xbb88695c);
2674 avio_wb32(pb, 0xfac9c740);
2676 avio_wb32(pb, 0x0); /* ? */
2677 avio_wb32(pb, 0x3); /* 3 sections ? */
2679 avio_wb32(pb, 0x14); /* size */
2680 ffio_wfourcc(pb, "FPRF");
2681 avio_wb32(pb, 0x0); /* ? */
2682 avio_wb32(pb, 0x0); /* ? */
2683 avio_wb32(pb, 0x0); /* ? */
2685 avio_wb32(pb, 0x2c); /* size */
2686 ffio_wfourcc(pb, "APRF"); /* audio */
2688 avio_wb32(pb, 0x2); /* TrackID */
2689 ffio_wfourcc(pb, "mp4a");
2690 avio_wb32(pb, 0x20f);
2692 avio_wb32(pb, audio_kbitrate);
2693 avio_wb32(pb, audio_kbitrate);
2694 avio_wb32(pb, audio_rate);
2695 avio_wb32(pb, audio_codec->channels);
2697 avio_wb32(pb, 0x34); /* size */
2698 ffio_wfourcc(pb, "VPRF"); /* video */
2700 avio_wb32(pb, 0x1); /* TrackID */
2701 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2702 ffio_wfourcc(pb, "avc1");
2703 avio_wb16(pb, 0x014D);
2704 avio_wb16(pb, 0x0015);
2706 ffio_wfourcc(pb, "mp4v");
2707 avio_wb16(pb, 0x0000);
2708 avio_wb16(pb, 0x0103);
2711 avio_wb32(pb, video_kbitrate);
2712 avio_wb32(pb, video_kbitrate);
2713 avio_wb32(pb, frame_rate);
2714 avio_wb32(pb, frame_rate);
2715 avio_wb16(pb, video_codec->width);
2716 avio_wb16(pb, video_codec->height);
2717 avio_wb32(pb, 0x010001); /* ? */
2720 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2723 int i, closed_gop = 0;
2725 for (i = 0; i < pkt->size - 4; i++) {
2726 c = (c << 8) + pkt->data[i];
2727 if (c == 0x1b8) { // gop
2728 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
2729 } else if (c == 0x100) { // pic
2730 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
2731 if (!temp_ref || closed_gop) // I picture is not reordered
2732 *flags = MOV_SYNC_SAMPLE;
2734 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2741 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2743 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2744 int seq = 0, entry = 0;
2745 int key = pkt->flags & AV_PKT_FLAG_KEY;
2746 start = find_next_marker(pkt->data, end);
2747 for (next = start; next < end; start = next) {
2748 next = find_next_marker(start + 4, end);
2749 switch (AV_RB32(start)) {
2750 case VC1_CODE_SEQHDR:
2753 case VC1_CODE_ENTRYPOINT:
2756 case VC1_CODE_SLICE:
2757 trk->vc1_info.slices = 1;
2761 if (!trk->entry && !fragment) {
2762 /* First packet in first fragment */
2763 trk->vc1_info.first_packet_seq = seq;
2764 trk->vc1_info.first_packet_entry = entry;
2765 } else if ((seq && !trk->vc1_info.packet_seq) ||
2766 (entry && !trk->vc1_info.packet_entry)) {
2768 for (i = 0; i < trk->entry; i++)
2769 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2770 trk->has_keyframes = 0;
2772 trk->vc1_info.packet_seq = 1;
2774 trk->vc1_info.packet_entry = 1;
2776 /* First fragment */
2777 if ((!seq || trk->vc1_info.first_packet_seq) &&
2778 (!entry || trk->vc1_info.first_packet_entry)) {
2779 /* First packet had the same headers as this one, readd the
2780 * sync sample flag. */
2781 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2782 trk->has_keyframes = 1;
2786 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2788 else if (trk->vc1_info.packet_seq)
2790 else if (trk->vc1_info.packet_entry)
2793 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2794 trk->has_keyframes++;
2798 static int mov_flush_fragment(AVFormatContext *s)
2800 MOVMuxContext *mov = s->priv_data;
2801 int i, first_track = -1;
2802 int64_t mdat_size = 0;
2804 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2807 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2808 int64_t pos = avio_tell(s->pb);
2810 AVIOContext *moov_buf;
2814 for (i = 0; i < mov->nb_streams; i++)
2815 if (!mov->tracks[i].entry)
2817 /* Don't write the initial moov unless all tracks have data */
2818 if (i < mov->nb_streams)
2821 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
2823 mov_write_moov_tag(moov_buf, mov, s);
2824 buf_size = ffio_close_null_buf(moov_buf);
2825 for (i = 0; i < mov->nb_streams; i++)
2826 mov->tracks[i].data_offset = pos + buf_size + 8;
2828 mov_write_moov_tag(s->pb, mov, s);
2830 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
2831 mov->mdat_buf = NULL;
2832 avio_wb32(s->pb, buf_size + 8);
2833 ffio_wfourcc(s->pb, "mdat");
2834 avio_write(s->pb, buf, buf_size);
2839 for (i = 0; i < mov->nb_streams; i++) {
2840 if (mov->tracks[i].entry)
2841 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2842 mov->tracks[i].track_duration -
2843 mov->tracks[i].cluster[0].dts;
2844 mov->tracks[i].entry = 0;
2850 for (i = 0; i < mov->nb_streams; i++) {
2851 MOVTrack *track = &mov->tracks[i];
2852 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2853 track->data_offset = 0;
2855 track->data_offset = mdat_size;
2856 if (!track->mdat_buf)
2858 mdat_size += avio_tell(track->mdat_buf);
2859 if (first_track < 0)
2866 for (i = 0; i < mov->nb_streams; i++) {
2867 MOVTrack *track = &mov->tracks[i];
2868 int buf_size, write_moof = 1, moof_tracks = -1;
2870 int64_t duration = 0;
2873 duration = track->start_dts + track->track_duration -
2874 track->cluster[0].dts;
2875 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2876 if (!track->mdat_buf)
2878 mdat_size = avio_tell(track->mdat_buf);
2881 write_moof = i == first_track;
2885 MOVFragmentInfo *info;
2887 track->nb_frag_info++;
2888 if (track->nb_frag_info >= track->frag_info_capacity) {
2889 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2890 if (av_reallocp_array(&track->frag_info,
2892 sizeof(*track->frag_info)))
2893 return AVERROR(ENOMEM);
2894 track->frag_info_capacity = new_capacity;
2896 info = &track->frag_info[track->nb_frag_info - 1];
2897 info->offset = avio_tell(s->pb);
2898 info->time = mov->tracks[i].frag_start;
2899 info->duration = duration;
2900 mov_write_tfrf_tags(s->pb, mov, track);
2902 mov_write_moof_tag(s->pb, mov, moof_tracks);
2903 info->tfrf_offset = track->tfrf_offset;
2906 avio_wb32(s->pb, mdat_size + 8);
2907 ffio_wfourcc(s->pb, "mdat");
2911 track->frag_start += duration;
2913 if (!track->mdat_buf)
2915 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2916 track->mdat_buf = NULL;
2918 avio_write(s->pb, buf, buf_size);
2928 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2930 MOVMuxContext *mov = s->priv_data;
2931 AVIOContext *pb = s->pb;
2932 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2933 AVCodecContext *enc = trk->enc;
2934 unsigned int samples_in_chunk = 0;
2935 int size = pkt->size;
2936 uint8_t *reformatted_data = NULL;
2938 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
2940 if (mov->fragments > 0) {
2941 if (!trk->mdat_buf) {
2942 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2947 if (!mov->mdat_buf) {
2948 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
2955 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
2956 /* We must find out how many AMR blocks there are in one packet */
2957 static uint16_t packed_size[16] =
2958 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2961 while (len < size && samples_in_chunk < 100) {
2962 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2965 if (samples_in_chunk > 1) {
2966 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2969 } else if (trk->sample_size)
2970 samples_in_chunk = size / trk->sample_size;
2972 samples_in_chunk = 1;
2974 /* copy extradata if it exists */
2975 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2976 trk->vos_len = enc->extradata_size;
2977 trk->vos_data = av_malloc(trk->vos_len);
2978 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2981 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2982 /* from x264 or from bytestream h264 */
2983 /* nal reformating needed */
2984 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2985 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2987 avio_write(pb, reformatted_data, size);
2989 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2991 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
2992 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
2993 /* extradata is Annex B, assume the bitstream is too and convert it */
2994 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2995 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
2996 avio_write(pb, reformatted_data, size);
2998 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3001 avio_write(pb, pkt->data, size);
3004 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3005 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3006 /* copy frame to create needed atoms */
3007 trk->vos_len = size;
3008 trk->vos_data = av_malloc(size);
3010 return AVERROR(ENOMEM);
3011 memcpy(trk->vos_data, pkt->data, size);
3014 if (trk->entry >= trk->cluster_capacity) {
3015 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3016 if (av_reallocp_array(&trk->cluster, new_capacity,
3017 sizeof(*trk->cluster)))
3018 return AVERROR(ENOMEM);
3019 trk->cluster_capacity = new_capacity;
3022 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3023 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3024 trk->cluster[trk->entry].size = size;
3025 trk->cluster[trk->entry].entries = samples_in_chunk;
3026 trk->cluster[trk->entry].dts = pkt->dts;
3027 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3028 /* First packet of a new fragment. We already wrote the duration
3029 * of the last packet of the previous fragment based on track_duration,
3030 * which might not exactly match our dts. Therefore adjust the dts
3031 * of this packet to be what the previous packets duration implies. */
3032 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3034 if (trk->start_dts == AV_NOPTS_VALUE)
3035 trk->start_dts = pkt->dts;
3036 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3038 if (pkt->pts == AV_NOPTS_VALUE) {
3039 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3040 pkt->pts = pkt->dts;
3042 if (pkt->dts != pkt->pts)
3043 trk->flags |= MOV_TRACK_CTTS;
3044 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3045 trk->cluster[trk->entry].flags = 0;
3046 if (enc->codec_id == AV_CODEC_ID_VC1) {
3047 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3048 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3049 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3050 trk->entry > 0) { // force sync sample for the first key frame
3051 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3052 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3053 trk->flags |= MOV_TRACK_STPS;
3055 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3057 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3058 trk->has_keyframes++;
3061 trk->sample_count += samples_in_chunk;
3062 mov->mdat_size += size;
3064 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3065 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3066 reformatted_data, size);
3067 av_free(reformatted_data);
3071 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3074 mov_flush_fragment(s);
3077 MOVMuxContext *mov = s->priv_data;
3078 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3079 AVCodecContext *enc = trk->enc;
3080 int64_t frag_duration = 0;
3081 int size = pkt->size;
3084 return 0; /* Discard 0 sized packets */
3087 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3088 s->streams[pkt->stream_index]->time_base,
3090 if ((mov->max_fragment_duration &&
3091 frag_duration >= mov->max_fragment_duration) ||
3092 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3093 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3094 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3095 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3096 if (frag_duration >= mov->min_fragment_duration)
3097 mov_flush_fragment(s);
3100 return ff_mov_write_packet(s, pkt);
3104 // QuickTime chapters involve an additional text track with the chapter names
3105 // as samples, and a tref pointing from the other tracks to the chapter one.
3106 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3108 MOVMuxContext *mov = s->priv_data;
3109 MOVTrack *track = &mov->tracks[tracknum];
3110 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3112 // These properties are required to make QT recognize the chapter track
3113 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3115 track->mode = mov->mode;
3116 track->tag = MKTAG('t','e','x','t');
3117 track->timescale = MOV_TIMESCALE;
3118 track->enc = avcodec_alloc_context3(NULL);
3120 return AVERROR(ENOMEM);
3121 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3122 track->enc->extradata = av_malloc(sizeof(chapter_properties));
3123 if (track->enc->extradata == NULL)
3124 return AVERROR(ENOMEM);
3125 track->enc->extradata_size = sizeof(chapter_properties);
3126 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3128 for (i = 0; i < s->nb_chapters; i++) {
3129 AVChapter *c = s->chapters[i];
3130 AVDictionaryEntry *t;
3132 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3133 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3134 pkt.duration = end - pkt.dts;
3136 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3137 len = strlen(t->value);
3139 pkt.data = av_malloc(pkt.size);
3141 return AVERROR(ENOMEM);
3142 AV_WB16(pkt.data, len);
3143 memcpy(pkt.data + 2, t->value, len);
3144 ff_mov_write_packet(s, &pkt);
3145 av_freep(&pkt.data);
3153 * st->disposition controls the "enabled" flag in the tkhd tag.
3154 * QuickTime will not play a track if it is not enabled. So make sure
3155 * that one track of each type (audio, video, subtitle) is enabled.
3157 * Subtitles are special. For audio and video, setting "enabled" also
3158 * makes the track "default" (i.e. it is rendered when played). For
3159 * subtitles, an "enabled" subtitle is not rendered by default, but
3160 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3163 static void enable_tracks(AVFormatContext *s)
3165 MOVMuxContext *mov = s->priv_data;
3167 uint8_t enabled[AVMEDIA_TYPE_NB];
3168 int first[AVMEDIA_TYPE_NB];
3170 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3175 for (i = 0; i < s->nb_streams; i++) {
3176 AVStream *st = s->streams[i];
3178 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
3179 st->codec->codec_type >= AVMEDIA_TYPE_NB)
3182 if (first[st->codec->codec_type] < 0)
3183 first[st->codec->codec_type] = i;
3184 if (st->disposition & AV_DISPOSITION_DEFAULT) {
3185 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
3186 enabled[st->codec->codec_type] = 1;
3190 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
3192 case AVMEDIA_TYPE_VIDEO:
3193 case AVMEDIA_TYPE_AUDIO:
3194 case AVMEDIA_TYPE_SUBTITLE:
3195 if (!enabled[i] && first[i] >= 0)
3196 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
3202 static void mov_free(AVFormatContext *s)
3204 MOVMuxContext *mov = s->priv_data;
3207 if (mov->chapter_track) {
3208 if (mov->tracks[mov->chapter_track].enc)
3209 av_free(mov->tracks[mov->chapter_track].enc->extradata);
3210 av_freep(&mov->tracks[mov->chapter_track].enc);
3213 for (i = 0; i < mov->nb_streams; i++) {
3214 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3215 ff_mov_close_hinting(&mov->tracks[i]);
3216 av_freep(&mov->tracks[i].cluster);
3217 av_freep(&mov->tracks[i].frag_info);
3219 if (mov->tracks[i].vos_len)
3220 av_free(mov->tracks[i].vos_data);
3223 av_freep(&mov->tracks);
3226 static uint32_t rgb_to_yuv(uint32_t rgb)
3231 r = (rgb >> 16) & 0xFF;
3232 g = (rgb >> 8) & 0xFF;
3235 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
3236 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
3237 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
3239 return (y << 16) | (cr << 8) | cb;
3242 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
3245 int i, width = 720, height = 480;
3246 int have_palette = 0, have_size = 0;
3247 uint32_t palette[16];
3248 char *cur = st->codec->extradata;
3250 while (cur && *cur) {
3251 if (strncmp("palette:", cur, 8) == 0) {
3253 count = sscanf(cur + 8,
3254 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3255 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3256 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
3257 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
3258 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
3259 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
3260 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
3261 &palette[12], &palette[13], &palette[14], &palette[15]);
3263 for (i = 0; i < count; i++) {
3264 palette[i] = rgb_to_yuv(palette[i]);
3267 } else if (!strncmp("size:", cur, 5)) {
3268 sscanf(cur + 5, "%dx%d", &width, &height);
3271 if (have_palette && have_size)
3273 cur += strcspn(cur, "\n\r");
3274 cur += strspn(cur, "\n\r");
3277 track->vos_data = av_malloc(16*4);
3278 if (!track->vos_data)
3279 return AVERROR(ENOMEM);
3280 for (i = 0; i < 16; i++) {
3281 AV_WB32(track->vos_data + i * 4, palette[i]);
3283 track->vos_len = 16 * 4;
3285 st->codec->width = width;
3286 st->codec->height = track->height = height;
3291 static int mov_write_header(AVFormatContext *s)
3293 AVIOContext *pb = s->pb;
3294 MOVMuxContext *mov = s->priv_data;
3295 AVDictionaryEntry *t;
3296 int i, hint_track = 0;
3298 /* Default mode == MP4 */
3299 mov->mode = MODE_MP4;
3301 if (s->oformat != NULL) {
3302 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3303 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3304 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3305 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3306 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3307 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3308 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3311 /* Set the FRAGMENT flag if any of the fragmentation methods are
3313 if (mov->max_fragment_duration || mov->max_fragment_size ||
3314 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3315 FF_MOV_FLAG_FRAG_KEYFRAME |
3316 FF_MOV_FLAG_FRAG_CUSTOM))
3317 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3319 /* Set other implicit flags immediately */
3320 if (mov->mode == MODE_ISM)
3321 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3322 FF_MOV_FLAG_FRAGMENT;
3324 /* faststart: moov at the beginning of the file, if supported */
3325 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3326 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
3327 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
3328 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
3329 "with fragmentation and custom IO, disabling faststart\n");
3330 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3334 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3335 * is enabled, we don't support non-seekable output at all. */
3336 if (!s->pb->seekable &&
3337 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
3338 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3339 return AVERROR(EINVAL);
3343 mov_write_ftyp_tag(pb,s);
3344 if (mov->mode == MODE_PSP) {
3345 if (s->nb_streams != 2) {
3346 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3347 return AVERROR(EINVAL);
3349 mov_write_uuidprof_tag(pb, s);
3352 mov->nb_streams = s->nb_streams;
3353 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
3354 mov->chapter_track = mov->nb_streams++;
3356 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3357 /* Add hint tracks for each audio and video stream */
3358 hint_track = mov->nb_streams;
3359 for (i = 0; i < s->nb_streams; i++) {
3360 AVStream *st = s->streams[i];
3361 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3362 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3368 // Reserve an extra stream for chapters for the case where chapters
3369 // are written in the trailer
3370 mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks));
3372 return AVERROR(ENOMEM);
3374 for (i = 0; i < s->nb_streams; i++) {
3375 AVStream *st= s->streams[i];
3376 MOVTrack *track= &mov->tracks[i];
3377 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3380 track->enc = st->codec;
3381 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3382 if (track->language < 0)
3383 track->language = 0;
3384 track->mode = mov->mode;
3385 track->tag = mov_find_codec_tag(s, track);
3387 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3388 "codec not currently supported in container\n", i);
3391 /* If hinting of this track is enabled by a later hint track,
3392 * this is updated. */
3393 track->hint_track = -1;
3394 track->start_dts = AV_NOPTS_VALUE;
3395 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3396 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3397 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3398 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3399 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3400 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3403 track->height = track->tag >> 24 == 'n' ? 486 : 576;
3405 track->timescale = st->time_base.den;
3406 if (track->mode == MODE_MOV && track->timescale > 100000)
3407 av_log(s, AV_LOG_WARNING,
3408 "WARNING codec timebase is very high. If duration is too long,\n"
3409 "file may not be playable by quicktime. Specify a shorter timebase\n"
3410 "or choose different container.\n");
3411 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3412 track->timescale = st->codec->sample_rate;
3413 /* set sample_size for PCM and ADPCM */
3414 if (av_get_bits_per_sample(st->codec->codec_id) ||
3415 st->codec->codec_id == AV_CODEC_ID_ILBC) {
3416 if (!st->codec->block_align) {
3417 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3420 track->sample_size = st->codec->block_align;
3422 /* set audio_vbr for compressed audio */
3423 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3424 track->audio_vbr = 1;
3426 if (track->mode != MODE_MOV &&
3427 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3428 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3429 i, track->enc->sample_rate);
3432 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3433 track->timescale = st->time_base.den;
3434 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
3435 track->timescale = st->time_base.den;
3438 track->height = st->codec->height;
3439 /* The ism specific timescale isn't mandatory, but is assumed by
3440 * some tools, such as mp4split. */
3441 if (mov->mode == MODE_ISM)
3442 track->timescale = 10000000;
3444 avpriv_set_pts_info(st, 64, 1, track->timescale);
3446 /* copy extradata if it exists */
3447 if (st->codec->extradata_size) {
3448 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
3449 mov_create_dvd_sub_decoder_specific_info(track, st);
3451 track->vos_len = st->codec->extradata_size;
3452 track->vos_data = av_malloc(track->vos_len);
3453 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3460 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3461 /* If no fragmentation options have been set, set a default. */
3462 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3463 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3464 !mov->max_fragment_duration && !mov->max_fragment_size)
3465 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
3467 if (mov->flags & FF_MOV_FLAG_FASTSTART)
3468 mov->reserved_moov_pos = avio_tell(pb);
3469 mov_write_mdat_tag(pb, mov);
3472 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3473 mov->time = ff_iso8601_to_unix_time(t->value);
3475 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3477 if (mov->chapter_track)
3478 if (mov_create_chapter_track(s, mov->chapter_track) < 0)
3481 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3482 /* Initialize the hint tracks for each audio and video stream */
3483 for (i = 0; i < s->nb_streams; i++) {
3484 AVStream *st = s->streams[i];
3485 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3486 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3487 ff_mov_init_hinting(s, hint_track, i);
3495 if (mov->flags & FF_MOV_FLAG_ISML)
3496 mov_write_isml_manifest(pb, mov);
3498 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3499 mov_write_moov_tag(pb, mov, s);
3509 static int get_moov_size(AVFormatContext *s)
3512 AVIOContext *moov_buf;
3513 MOVMuxContext *mov = s->priv_data;
3515 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
3517 mov_write_moov_tag(moov_buf, mov, s);
3518 return ffio_close_null_buf(moov_buf);
3522 * This function gets the moov size if moved to the top of the file: the chunk
3523 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3524 * entries) when the moov is moved to the beginning, so the size of the moov
3525 * would change. It also updates the chunk offset tables.
3527 static int compute_moov_size(AVFormatContext *s)
3529 int i, moov_size, moov_size2;
3530 MOVMuxContext *mov = s->priv_data;
3532 moov_size = get_moov_size(s);
3536 for (i = 0; i < mov->nb_streams; i++)
3537 mov->tracks[i].data_offset += moov_size;
3539 moov_size2 = get_moov_size(s);
3543 /* if the size changed, we just switched from stco to co64 and need to
3544 * update the offsets */
3545 if (moov_size2 != moov_size)
3546 for (i = 0; i < mov->nb_streams; i++)
3547 mov->tracks[i].data_offset += moov_size2 - moov_size;
3552 static int shift_data(AVFormatContext *s)
3554 int ret = 0, moov_size;
3555 MOVMuxContext *mov = s->priv_data;
3556 int64_t pos, pos_end = avio_tell(s->pb);
3557 uint8_t *buf, *read_buf[2];
3558 int read_buf_id = 0;
3560 AVIOContext *read_pb;
3562 moov_size = compute_moov_size(s);
3566 buf = av_malloc(moov_size * 2);
3568 return AVERROR(ENOMEM);
3570 read_buf[1] = buf + moov_size;
3572 /* Shift the data: the AVIO context of the output can only be used for
3573 * writing, so we re-open the same output, but for reading. It also avoids
3574 * a read/seek/write/seek back and forth. */
3576 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3578 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3579 "the second pass (faststart)\n", s->filename);
3583 /* mark the end of the shift to up to the last data we wrote, and get ready
3585 pos_end = avio_tell(s->pb);
3586 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3588 /* start reading at where the new moov will be placed */
3589 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3590 pos = avio_tell(read_pb);
3592 #define READ_BLOCK do { \
3593 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3597 /* shift data by chunk of at most moov_size */
3602 n = read_size[read_buf_id];
3605 avio_write(s->pb, read_buf[read_buf_id], n);
3607 } while (pos < pos_end);
3608 avio_close(read_pb);
3615 static int mov_write_trailer(AVFormatContext *s)
3617 MOVMuxContext *mov = s->priv_data;
3618 AVIOContext *pb = s->pb;
3623 // If there were no chapters when the header was written, but there
3624 // are chapters now, write them in the trailer. This only works
3625 // when we are not doing fragments.
3626 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3627 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
3628 mov->chapter_track = mov->nb_streams++;
3629 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
3634 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3635 moov_pos = avio_tell(pb);
3637 /* Write size of mdat tag */
3638 if (mov->mdat_size + 8 <= UINT32_MAX) {
3639 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3640 avio_wb32(pb, mov->mdat_size + 8);
3642 /* overwrite 'wide' placeholder atom */
3643 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3644 /* special value: real atom size will be 64 bit value after
3647 ffio_wfourcc(pb, "mdat");
3648 avio_wb64(pb, mov->mdat_size + 16);
3650 avio_seek(pb, moov_pos, SEEK_SET);
3652 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3653 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
3654 res = shift_data(s);
3656 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3657 mov_write_moov_tag(pb, mov, s);
3660 mov_write_moov_tag(pb, mov, s);
3663 mov_flush_fragment(s);
3664 mov_write_mfra_tag(pb, mov);
3667 for (i = 0; i < mov->nb_streams; i++) {
3668 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3669 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3670 int64_t off = avio_tell(pb);
3672 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3673 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3674 avio_write(pb, buf, 7);
3675 avio_seek(pb, off, SEEK_SET);
3686 #if CONFIG_MOV_MUXER
3688 AVOutputFormat ff_mov_muxer = {
3690 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3691 .extensions = "mov",
3692 .priv_data_size = sizeof(MOVMuxContext),
3693 .audio_codec = AV_CODEC_ID_AAC,
3694 .video_codec = CONFIG_LIBX264_ENCODER ?
3695 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3696 .write_header = mov_write_header,
3697 .write_packet = mov_write_packet,
3698 .write_trailer = mov_write_trailer,
3699 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3700 .codec_tag = (const AVCodecTag* const []){
3701 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3703 .priv_class = &mov_muxer_class,
3706 #if CONFIG_TGP_MUXER
3708 AVOutputFormat ff_tgp_muxer = {
3710 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3711 .extensions = "3gp",
3712 .priv_data_size = sizeof(MOVMuxContext),
3713 .audio_codec = AV_CODEC_ID_AMR_NB,
3714 .video_codec = AV_CODEC_ID_H263,
3715 .write_header = mov_write_header,
3716 .write_packet = mov_write_packet,
3717 .write_trailer = mov_write_trailer,
3718 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3719 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3720 .priv_class = &tgp_muxer_class,
3723 #if CONFIG_MP4_MUXER
3725 AVOutputFormat ff_mp4_muxer = {
3727 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3728 .mime_type = "application/mp4",
3729 .extensions = "mp4",
3730 .priv_data_size = sizeof(MOVMuxContext),
3731 .audio_codec = AV_CODEC_ID_AAC,
3732 .video_codec = CONFIG_LIBX264_ENCODER ?
3733 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3734 .write_header = mov_write_header,
3735 .write_packet = mov_write_packet,
3736 .write_trailer = mov_write_trailer,
3737 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3738 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3739 .priv_class = &mp4_muxer_class,
3742 #if CONFIG_PSP_MUXER
3744 AVOutputFormat ff_psp_muxer = {
3746 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
3747 .extensions = "mp4,psp",
3748 .priv_data_size = sizeof(MOVMuxContext),
3749 .audio_codec = AV_CODEC_ID_AAC,
3750 .video_codec = CONFIG_LIBX264_ENCODER ?
3751 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3752 .write_header = mov_write_header,
3753 .write_packet = mov_write_packet,
3754 .write_trailer = mov_write_trailer,
3755 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3756 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3757 .priv_class = &psp_muxer_class,
3760 #if CONFIG_TG2_MUXER
3762 AVOutputFormat ff_tg2_muxer = {
3764 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
3765 .extensions = "3g2",
3766 .priv_data_size = sizeof(MOVMuxContext),
3767 .audio_codec = AV_CODEC_ID_AMR_NB,
3768 .video_codec = AV_CODEC_ID_H263,
3769 .write_header = mov_write_header,
3770 .write_packet = mov_write_packet,
3771 .write_trailer = mov_write_trailer,
3772 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3773 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3774 .priv_class = &tg2_muxer_class,
3777 #if CONFIG_IPOD_MUXER
3779 AVOutputFormat ff_ipod_muxer = {
3781 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
3782 .mime_type = "application/mp4",
3783 .extensions = "m4v,m4a",
3784 .priv_data_size = sizeof(MOVMuxContext),
3785 .audio_codec = AV_CODEC_ID_AAC,
3786 .video_codec = AV_CODEC_ID_H264,
3787 .write_header = mov_write_header,
3788 .write_packet = mov_write_packet,
3789 .write_trailer = mov_write_trailer,
3790 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3791 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
3792 .priv_class = &ipod_muxer_class,
3795 #if CONFIG_ISMV_MUXER
3797 AVOutputFormat ff_ismv_muxer = {
3799 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
3800 .mime_type = "application/mp4",
3801 .extensions = "ismv,isma",
3802 .priv_data_size = sizeof(MOVMuxContext),
3803 .audio_codec = AV_CODEC_ID_AAC,
3804 .video_codec = AV_CODEC_ID_H264,
3805 .write_header = mov_write_header,
3806 .write_packet = mov_write_packet,
3807 .write_trailer = mov_write_trailer,
3808 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3809 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3810 .priv_class = &ismv_muxer_class,
3813 #if CONFIG_F4V_MUXER
3815 AVOutputFormat ff_f4v_muxer = {
3817 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
3818 .mime_type = "application/f4v",
3819 .extensions = "f4v",
3820 .priv_data_size = sizeof(MOVMuxContext),
3821 .audio_codec = AV_CODEC_ID_AAC,
3822 .video_codec = AV_CODEC_ID_H264,
3823 .write_header = mov_write_header,
3824 .write_packet = mov_write_packet,
3825 .write_trailer = mov_write_trailer,
3826 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3827 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
3828 .priv_class = &f4v_muxer_class,