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 FFmpeg.
9 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "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" },
49 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "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" },
51 { "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" },
52 { "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" },
53 { "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" },
54 { "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" },
55 { "faststart", "Run a second pass to put the moov 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" },
56 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
57 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
58 { "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},
59 { "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},
60 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "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},
62 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
63 { "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},
64 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
68 #define MOV_CLASS(flavor)\
69 static const AVClass flavor ## _muxer_class = {\
70 .class_name = #flavor " muxer",\
71 .item_name = av_default_item_name,\
73 .version = LIBAVUTIL_VERSION_INT,\
76 //FIXME support 64 bit variant with wide placeholders
77 static int64_t update_size(AVIOContext *pb, int64_t pos)
79 int64_t curpos = avio_tell(pb);
80 avio_seek(pb, pos, SEEK_SET);
81 avio_wb32(pb, curpos - pos); /* rewrite size */
82 avio_seek(pb, curpos, SEEK_SET);
87 static int supports_edts(MOVMuxContext *mov)
89 // EDTS with fragments is tricky as we dont know the duration when its written
90 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
93 static int is_co64_required(const MOVTrack *track)
97 for (i = 0; i < track->entry; i++) {
98 if (!track->cluster[i].chunkNum)
100 if (track->cluster[i].pos + track->data_offset > UINT32_MAX)
106 /* Chunk offset atom */
107 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
110 int mode64 = is_co64_required(track); // use 32 bit size variant if possible
111 int64_t pos = avio_tell(pb);
112 avio_wb32(pb, 0); /* size */
114 ffio_wfourcc(pb, "co64");
116 ffio_wfourcc(pb, "stco");
117 avio_wb32(pb, 0); /* version & flags */
118 avio_wb32(pb, track->chunkCount); /* entry count */
119 for (i=0; i<track->entry; i++) {
120 if(!track->cluster[i].chunkNum)
123 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
125 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
127 return update_size(pb, pos);
130 /* Sample size atom */
131 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
134 int i, j, entries = 0, tst = -1, oldtst = -1;
136 int64_t pos = avio_tell(pb);
137 avio_wb32(pb, 0); /* size */
138 ffio_wfourcc(pb, "stsz");
139 avio_wb32(pb, 0); /* version & flags */
141 for (i=0; i<track->entry; i++) {
142 tst = track->cluster[i].size/track->cluster[i].entries;
143 if(oldtst != -1 && tst != oldtst) {
147 entries += track->cluster[i].entries;
149 if (equalChunks && track->entry) {
150 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
151 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
152 avio_wb32(pb, sSize); // sample size
153 avio_wb32(pb, entries); // sample count
156 avio_wb32(pb, 0); // sample size
157 avio_wb32(pb, entries); // sample count
158 for (i=0; i<track->entry; i++) {
159 for (j=0; j<track->cluster[i].entries; j++) {
160 avio_wb32(pb, track->cluster[i].size /
161 track->cluster[i].entries);
165 return update_size(pb, pos);
168 /* Sample to chunk atom */
169 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
171 int index = 0, oldval = -1, i;
172 int64_t entryPos, curpos;
174 int64_t pos = avio_tell(pb);
175 avio_wb32(pb, 0); /* size */
176 ffio_wfourcc(pb, "stsc");
177 avio_wb32(pb, 0); // version & flags
178 entryPos = avio_tell(pb);
179 avio_wb32(pb, track->chunkCount); // entry count
180 for (i=0; i<track->entry; i++) {
181 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
183 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
184 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
185 avio_wb32(pb, 0x1); // sample description index
186 oldval = track->cluster[i].samples_in_chunk;
190 curpos = avio_tell(pb);
191 avio_seek(pb, entryPos, SEEK_SET);
192 avio_wb32(pb, index); // rewrite size
193 avio_seek(pb, curpos, SEEK_SET);
195 return update_size(pb, pos);
198 /* Sync sample atom */
199 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
201 int64_t curpos, entryPos;
203 int64_t pos = avio_tell(pb);
204 avio_wb32(pb, 0); // size
205 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
206 avio_wb32(pb, 0); // version & flags
207 entryPos = avio_tell(pb);
208 avio_wb32(pb, track->entry); // entry count
209 for (i=0; i<track->entry; i++) {
210 if (track->cluster[i].flags & flag) {
215 curpos = avio_tell(pb);
216 avio_seek(pb, entryPos, SEEK_SET);
217 avio_wb32(pb, index); // rewrite size
218 avio_seek(pb, curpos, SEEK_SET);
219 return update_size(pb, pos);
222 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
224 avio_wb32(pb, 0x11); /* size */
225 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
226 else ffio_wfourcc(pb, "damr");
227 ffio_wfourcc(pb, "FFMP");
228 avio_w8(pb, 0); /* decoder version */
230 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
231 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
232 avio_w8(pb, 0x01); /* Frames per sample */
236 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
241 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
243 if (track->vos_len < 7)
247 ffio_wfourcc(pb, "dac3");
249 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
250 fscod = get_bits(&gbc, 2);
251 frmsizecod = get_bits(&gbc, 6);
252 bsid = get_bits(&gbc, 5);
253 bsmod = get_bits(&gbc, 3);
254 acmod = get_bits(&gbc, 3);
256 skip_bits(&gbc, 2); // dsurmod
258 if ((acmod & 1) && acmod != 1)
259 skip_bits(&gbc, 2); // cmixlev
261 skip_bits(&gbc, 2); // surmixlev
263 lfeon = get_bits1(&gbc);
265 init_put_bits(&pbc, buf, sizeof(buf));
266 put_bits(&pbc, 2, fscod);
267 put_bits(&pbc, 5, bsid);
268 put_bits(&pbc, 3, bsmod);
269 put_bits(&pbc, 3, acmod);
270 put_bits(&pbc, 1, lfeon);
271 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
272 put_bits(&pbc, 5, 0); // reserved
274 flush_put_bits(&pbc);
275 avio_write(pb, buf, sizeof(buf));
281 * This function writes extradata "as is".
282 * Extradata must be formatted like a valid atom (with size and tag).
284 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
286 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
287 return track->enc->extradata_size;
290 static int mov_write_enda_tag(AVIOContext *pb)
293 ffio_wfourcc(pb, "enda");
294 avio_wb16(pb, 1); /* little endian */
298 static int mov_write_enda_tag_be(AVIOContext *pb)
301 ffio_wfourcc(pb, "enda");
302 avio_wb16(pb, 0); /* big endian */
306 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
311 avio_w8(pb, (size>>(7*i)) | 0x80);
312 avio_w8(pb, size & 0x7F);
315 static unsigned compute_avg_bitrate(MOVTrack *track)
319 if (!track->track_duration)
321 for (i = 0; i < track->entry; i++)
322 size += track->cluster[i].size;
323 return size * 8 * track->timescale / track->track_duration;
326 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
328 int64_t pos = avio_tell(pb);
329 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
330 unsigned avg_bitrate;
332 avio_wb32(pb, 0); // size
333 ffio_wfourcc(pb, "esds");
334 avio_wb32(pb, 0); // Version
337 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
338 avio_wb16(pb, track->track_id);
339 avio_w8(pb, 0x00); // flags (= no flags)
341 // DecoderConfig descriptor
342 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
344 // Object type indication
345 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
346 track->enc->codec_id == AV_CODEC_ID_MP3) &&
347 track->enc->sample_rate > 24000)
348 avio_w8(pb, 0x6B); // 11172-3
350 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
352 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
353 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
354 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
355 avio_w8(pb, 0x15); // flags (= Audiostream)
357 avio_w8(pb, 0x11); // flags (= Visualstream)
359 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
361 avg_bitrate = compute_avg_bitrate(track);
362 // maxbitrate (FIXME should be max rate in any 1 sec window)
363 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
364 avio_wb32(pb, avg_bitrate);
366 if (track->vos_len) {
367 // DecoderSpecific info descriptor
368 put_descr(pb, 0x05, track->vos_len);
369 avio_write(pb, track->vos_data, track->vos_len);
373 put_descr(pb, 0x06, 1);
375 return update_size(pb, pos);
378 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
380 return codec_id == AV_CODEC_ID_PCM_S24LE ||
381 codec_id == AV_CODEC_ID_PCM_S32LE ||
382 codec_id == AV_CODEC_ID_PCM_F32LE ||
383 codec_id == AV_CODEC_ID_PCM_F64LE;
386 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
388 return codec_id == AV_CODEC_ID_PCM_S24BE ||
389 codec_id == AV_CODEC_ID_PCM_S32BE ||
390 codec_id == AV_CODEC_ID_PCM_F32BE ||
391 codec_id == AV_CODEC_ID_PCM_F64BE;
394 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
396 int64_t pos = avio_tell(pb);
398 avio_wl32(pb, track->tag); // store it byteswapped
399 track->enc->codec_tag = av_bswap16(track->tag >> 16);
400 ff_put_wav_header(pb, track->enc);
401 return update_size(pb, pos);
404 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
406 int64_t pos = avio_tell(pb);
408 ffio_wfourcc(pb, "wfex");
409 ff_put_wav_header(pb, track->enc);
410 return update_size(pb, pos);
413 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
415 uint32_t layout_tag, bitmap;
416 int64_t pos = avio_tell(pb);
418 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
419 track->enc->channel_layout,
422 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
423 "lack of channel information\n");
427 avio_wb32(pb, 0); // Size
428 ffio_wfourcc(pb, "chan"); // Type
429 avio_w8(pb, 0); // Version
430 avio_wb24(pb, 0); // Flags
431 avio_wb32(pb, layout_tag); // mChannelLayoutTag
432 avio_wb32(pb, bitmap); // mChannelBitmap
433 avio_wb32(pb, 0); // mNumberChannelDescriptions
435 return update_size(pb, pos);
438 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
440 int64_t pos = avio_tell(pb);
442 avio_wb32(pb, 0); /* size */
443 ffio_wfourcc(pb, "wave");
445 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
446 avio_wb32(pb, 12); /* size */
447 ffio_wfourcc(pb, "frma");
448 avio_wl32(pb, track->tag);
451 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
452 /* useless atom needed by mplayer, ipod, not needed by quicktime */
453 avio_wb32(pb, 12); /* size */
454 ffio_wfourcc(pb, "mp4a");
456 mov_write_esds_tag(pb, track);
457 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
458 mov_write_enda_tag(pb);
459 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
460 mov_write_enda_tag_be(pb);
461 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
462 mov_write_amr_tag(pb, track);
463 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
464 mov_write_ac3_tag(pb, track);
465 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
466 track->enc->codec_id == AV_CODEC_ID_QDM2) {
467 mov_write_extradata_tag(pb, track);
468 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
469 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
470 mov_write_ms_tag(pb, track);
473 avio_wb32(pb, 8); /* size */
474 avio_wb32(pb, 0); /* null tag */
476 return update_size(pb, pos);
479 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
482 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
483 int unescaped_size, seq_found = 0;
484 int level = 0, interlace = 0;
485 int packet_seq = track->vc1_info.packet_seq;
486 int packet_entry = track->vc1_info.packet_entry;
487 int slices = track->vc1_info.slices;
490 if (track->start_dts == AV_NOPTS_VALUE) {
491 /* No packets written yet, vc1_info isn't authoritative yet. */
492 /* Assume inline sequence and entry headers. This will be
493 * overwritten at the end if the file is seekable. */
494 packet_seq = packet_entry = 1;
497 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
499 return AVERROR(ENOMEM);
500 start = find_next_marker(track->vos_data, end);
501 for (next = start; next < end; start = next) {
504 next = find_next_marker(start + 4, end);
505 size = next - start - 4;
508 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
509 init_get_bits(&gb, unescaped, 8 * unescaped_size);
510 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
511 int profile = get_bits(&gb, 2);
512 if (profile != PROFILE_ADVANCED) {
514 return AVERROR(ENOSYS);
517 level = get_bits(&gb, 3);
518 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
520 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
521 skip_bits(&gb, 1); /* broadcast */
522 interlace = get_bits1(&gb);
523 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
528 return AVERROR(ENOSYS);
531 init_put_bits(&pbc, buf, 7);
532 /* VC1DecSpecStruc */
533 put_bits(&pbc, 4, 12); /* profile - advanced */
534 put_bits(&pbc, 3, level);
535 put_bits(&pbc, 1, 0); /* reserved */
536 /* VC1AdvDecSpecStruc */
537 put_bits(&pbc, 3, level);
538 put_bits(&pbc, 1, 0); /* cbr */
539 put_bits(&pbc, 6, 0); /* reserved */
540 put_bits(&pbc, 1, !interlace); /* no interlace */
541 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
542 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
543 put_bits(&pbc, 1, !slices); /* no slice code */
544 put_bits(&pbc, 1, 0); /* no bframe */
545 put_bits(&pbc, 1, 0); /* reserved */
546 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
547 flush_put_bits(&pbc);
554 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
556 uint8_t buf[7] = { 0 };
559 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
562 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
563 ffio_wfourcc(pb, "dvc1");
564 track->vc1_info.struct_offset = avio_tell(pb);
565 avio_write(pb, buf, sizeof(buf));
566 avio_write(pb, track->vos_data, track->vos_len);
571 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
573 avio_wb32(pb, track->vos_len + 8);
574 ffio_wfourcc(pb, "glbl");
575 avio_write(pb, track->vos_data, track->vos_len);
576 return 8 + track->vos_len;
580 * Compute flags for 'lpcm' tag.
581 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
583 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
586 case AV_CODEC_ID_PCM_F32BE:
587 case AV_CODEC_ID_PCM_F64BE:
589 case AV_CODEC_ID_PCM_F32LE:
590 case AV_CODEC_ID_PCM_F64LE:
592 case AV_CODEC_ID_PCM_U8:
594 case AV_CODEC_ID_PCM_S16BE:
595 case AV_CODEC_ID_PCM_S24BE:
596 case AV_CODEC_ID_PCM_S32BE:
598 case AV_CODEC_ID_PCM_S8:
599 case AV_CODEC_ID_PCM_S16LE:
600 case AV_CODEC_ID_PCM_S24LE:
601 case AV_CODEC_ID_PCM_S32LE:
608 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
612 if (cluster_idx >= track->entry)
615 if (cluster_idx + 1 == track->entry)
616 next_dts = track->track_duration + track->start_dts;
618 next_dts = track->cluster[cluster_idx + 1].dts;
620 return next_dts - track->cluster[cluster_idx].dts;
623 static int get_samples_per_packet(MOVTrack *track)
625 int i, first_duration;
627 // return track->enc->frame_size;
629 /* use 1 for raw PCM */
630 if (!track->audio_vbr)
633 /* check to see if duration is constant for all clusters */
636 first_duration = get_cluster_duration(track, 0);
637 for (i = 1; i < track->entry; i++) {
638 if (get_cluster_duration(track, i) != first_duration)
641 return first_duration;
644 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
646 int64_t pos = avio_tell(pb);
648 uint32_t tag = track->tag;
650 if (track->mode == MODE_MOV) {
651 if (track->timescale > UINT16_MAX) {
652 if (mov_get_lpcm_flags(track->enc->codec_id))
653 tag = AV_RL32("lpcm");
655 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
656 mov_pcm_be_gt16(track->enc->codec_id) ||
657 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
658 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
659 track->enc->codec_id == AV_CODEC_ID_QDM2) {
664 avio_wb32(pb, 0); /* size */
665 avio_wl32(pb, tag); // store it byteswapped
666 avio_wb32(pb, 0); /* Reserved */
667 avio_wb16(pb, 0); /* Reserved */
668 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
670 /* SoundDescription */
671 avio_wb16(pb, version); /* Version */
672 avio_wb16(pb, 0); /* Revision level */
673 avio_wb32(pb, 0); /* Reserved */
678 avio_wb16(pb, 0xfffe);
680 avio_wb32(pb, 0x00010000);
682 avio_wb64(pb, av_double2int(track->enc->sample_rate));
683 avio_wb32(pb, track->enc->channels);
684 avio_wb32(pb, 0x7F000000);
685 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
686 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
687 avio_wb32(pb, track->sample_size);
688 avio_wb32(pb, get_samples_per_packet(track));
690 if (track->mode == MODE_MOV) {
691 avio_wb16(pb, track->enc->channels);
692 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
693 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
694 avio_wb16(pb, 8); /* bits per sample */
697 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
698 } else { /* reserved for mp4/3gp */
704 avio_wb16(pb, 0); /* packet size (= 0) */
705 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
706 track->enc->sample_rate : 0);
707 avio_wb16(pb, 0); /* Reserved */
710 if(version == 1) { /* SoundDescription V1 extended info */
711 if (mov_pcm_le_gt16(track->enc->codec_id) ||
712 mov_pcm_be_gt16(track->enc->codec_id))
713 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
715 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
716 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
717 avio_wb32(pb, track->sample_size); /* Bytes per frame */
718 avio_wb32(pb, 2); /* Bytes per sample */
721 if(track->mode == MODE_MOV &&
722 (track->enc->codec_id == AV_CODEC_ID_AAC ||
723 track->enc->codec_id == AV_CODEC_ID_AC3 ||
724 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
725 track->enc->codec_id == AV_CODEC_ID_ALAC ||
726 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
727 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
728 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
729 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
730 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
731 mov_write_wave_tag(pb, track);
732 else if(track->tag == MKTAG('m','p','4','a'))
733 mov_write_esds_tag(pb, track);
734 else if(track->enc->codec_id == AV_CODEC_ID_AMR_NB)
735 mov_write_amr_tag(pb, track);
736 else if(track->enc->codec_id == AV_CODEC_ID_AC3)
737 mov_write_ac3_tag(pb, track);
738 else if(track->enc->codec_id == AV_CODEC_ID_ALAC)
739 mov_write_extradata_tag(pb, track);
740 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
741 mov_write_wfex_tag(pb, track);
742 else if (track->vos_len > 0)
743 mov_write_glbl_tag(pb, track);
745 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
746 mov_write_chan_tag(pb, track);
748 return update_size(pb, pos);
751 static int mov_write_d263_tag(AVIOContext *pb)
753 avio_wb32(pb, 0xf); /* size */
754 ffio_wfourcc(pb, "d263");
755 ffio_wfourcc(pb, "FFMP");
756 avio_w8(pb, 0); /* decoder version */
757 /* FIXME use AVCodecContext level/profile, when encoder will set values */
758 avio_w8(pb, 0xa); /* level */
759 avio_w8(pb, 0); /* profile */
763 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
765 int64_t pos = avio_tell(pb);
768 ffio_wfourcc(pb, "avcC");
769 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
770 return update_size(pb, pos);
773 /* also used by all avid codecs (dv, imx, meridien) and their variants */
774 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
777 avio_wb32(pb, 24); /* size */
778 ffio_wfourcc(pb, "ACLR");
779 ffio_wfourcc(pb, "ACLR");
780 ffio_wfourcc(pb, "0001");
781 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
782 avio_wb32(pb, 0); /* unknown */
784 avio_wb32(pb, 24); /* size */
785 ffio_wfourcc(pb, "APRG");
786 ffio_wfourcc(pb, "APRG");
787 ffio_wfourcc(pb, "0001");
788 avio_wb32(pb, 1); /* unknown */
789 avio_wb32(pb, 0); /* unknown */
791 avio_wb32(pb, 120); /* size */
792 ffio_wfourcc(pb, "ARES");
793 ffio_wfourcc(pb, "ARES");
794 ffio_wfourcc(pb, "0001");
795 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
796 avio_wb32(pb, track->enc->width);
797 /* values below are based on samples created with quicktime and avid codecs */
798 if (track->vos_data[5] & 2) { // interlaced
799 avio_wb32(pb, track->enc->height/2);
800 avio_wb32(pb, 2); /* unknown */
801 avio_wb32(pb, 0); /* unknown */
802 avio_wb32(pb, 4); /* unknown */
804 avio_wb32(pb, track->enc->height);
805 avio_wb32(pb, 1); /* unknown */
806 avio_wb32(pb, 0); /* unknown */
807 if (track->enc->height == 1080)
808 avio_wb32(pb, 5); /* unknown */
810 avio_wb32(pb, 6); /* unknown */
813 for (i = 0; i < 10; i++)
816 /* extra padding for stsd needed */
821 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
823 int tag = track->enc->codec_tag;
825 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
828 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
829 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
830 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
831 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
832 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
833 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
834 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
839 static const AVCodecTag codec_ipod_tags[] = {
840 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
841 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
842 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
843 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
844 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
845 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
846 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
847 { AV_CODEC_ID_NONE, 0 },
850 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
852 int tag = track->enc->codec_tag;
854 // keep original tag for subs, ipod supports both formats
855 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
856 (tag == MKTAG('t','x','3','g') ||
857 tag == MKTAG('t','e','x','t'))))
858 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
860 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
861 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
862 "Quicktime/Ipod might not play the file\n");
867 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
871 if (track->enc->width == 720) { /* SD */
872 if (track->enc->height == 480) { /* NTSC */
873 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
874 else tag = MKTAG('d','v','c',' ');
875 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
876 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
877 else tag = MKTAG('d','v','p','p');
878 } else if (track->enc->height == 720) { /* HD 720 line */
879 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
880 else tag = MKTAG('d','v','h','p');
881 } else if (track->enc->height == 1080) { /* HD 1080 line */
882 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
883 else tag = MKTAG('d','v','h','6');
885 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
892 static const struct {
893 enum AVPixelFormat pix_fmt;
896 } mov_pix_fmt_tags[] = {
897 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
898 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
899 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
900 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
901 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
902 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
903 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
904 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
905 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
906 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
907 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
908 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
909 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
910 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
911 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
914 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
916 int tag = track->enc->codec_tag;
919 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
920 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
921 tag = mov_pix_fmt_tags[i].tag;
922 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
923 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
931 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
933 int tag = track->enc->codec_tag;
935 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
936 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
937 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
938 track->enc->codec_id == AV_CODEC_ID_H263 ||
939 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
940 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
941 tag = mov_get_dv_codec_tag(s, track);
942 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
943 tag = mov_get_rawvideo_codec_tag(s, track);
944 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
945 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
946 if (!tag) { // if no mac fcc found, try with Microsoft tags
947 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
949 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
950 "the file may be unplayable!\n");
952 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
953 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
954 if (!tag) { // if no mac fcc found, try with Microsoft tags
955 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
957 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
958 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
959 "the file may be unplayable!\n");
962 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
963 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
969 static const AVCodecTag codec_3gp_tags[] = {
970 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
971 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
972 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
973 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
974 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
975 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
976 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
977 { AV_CODEC_ID_NONE, 0 },
980 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
981 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
982 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
983 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
984 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
985 { AV_CODEC_ID_NONE, 0 },
988 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
992 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
993 tag = mp4_get_codec_tag(s, track);
994 else if (track->mode == MODE_ISM) {
995 tag = mp4_get_codec_tag(s, track);
996 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
997 tag = MKTAG('w', 'm', 'a', ' ');
998 } else if (track->mode == MODE_IPOD)
999 tag = ipod_get_codec_tag(s, track);
1000 else if (track->mode & MODE_3GP)
1001 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1002 else if (track->mode & MODE_F4V)
1003 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1005 tag = mov_get_codec_tag(s, track);
1010 /** Write uuid atom.
1011 * Needed to make file play in iPods running newest firmware
1012 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1014 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1017 ffio_wfourcc(pb, "uuid");
1018 avio_wb32(pb, 0x6b6840f2);
1019 avio_wb32(pb, 0x5f244fc5);
1020 avio_wb32(pb, 0xba39a51b);
1021 avio_wb32(pb, 0xcf0323f3);
1026 static const uint16_t fiel_data[] = {
1027 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1030 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1032 unsigned mov_field_order = 0;
1033 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1034 mov_field_order = fiel_data[track->enc->field_order];
1038 ffio_wfourcc(pb, "fiel");
1039 avio_wb16(pb, mov_field_order);
1043 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1045 int64_t pos = avio_tell(pb);
1046 avio_wb32(pb, 0); /* size */
1047 avio_wl32(pb, track->tag); // store it byteswapped
1048 avio_wb32(pb, 0); /* Reserved */
1049 avio_wb16(pb, 0); /* Reserved */
1050 avio_wb16(pb, 1); /* Data-reference index */
1052 if (track->enc->extradata_size)
1053 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1055 return update_size(pb, pos);
1058 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1061 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1062 track->enc->sample_aspect_ratio.den, INT_MAX);
1065 ffio_wfourcc(pb, "pasp");
1066 avio_wb32(pb, sar.num);
1067 avio_wb32(pb, sar.den);
1071 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1073 int64_t pos = avio_tell(pb);
1074 char compressor_name[32] = { 0 };
1076 avio_wb32(pb, 0); /* size */
1077 avio_wl32(pb, track->tag); // store it byteswapped
1078 avio_wb32(pb, 0); /* Reserved */
1079 avio_wb16(pb, 0); /* Reserved */
1080 avio_wb16(pb, 1); /* Data-reference index */
1082 avio_wb16(pb, 0); /* Codec stream version */
1083 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1084 if (track->mode == MODE_MOV) {
1085 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1086 if(track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1087 avio_wb32(pb, 0); /* Temporal Quality */
1088 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1090 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1091 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1094 avio_wb32(pb, 0); /* Reserved */
1095 avio_wb32(pb, 0); /* Reserved */
1096 avio_wb32(pb, 0); /* Reserved */
1098 avio_wb16(pb, track->enc->width); /* Video width */
1099 avio_wb16(pb, track->height); /* Video height */
1100 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1101 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1102 avio_wb32(pb, 0); /* Data size (= 0) */
1103 avio_wb16(pb, 1); /* Frame count (= 1) */
1105 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1106 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1107 av_strlcpy(compressor_name,track->enc->codec->name,32);
1108 avio_w8(pb, strlen(compressor_name));
1109 avio_write(pb, compressor_name, 31);
1111 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1112 avio_wb16(pb, track->enc->bits_per_coded_sample);
1114 avio_wb16(pb, 0x18); /* Reserved */
1115 avio_wb16(pb, 0xffff); /* Reserved */
1116 if(track->tag == MKTAG('m','p','4','v'))
1117 mov_write_esds_tag(pb, track);
1118 else if(track->enc->codec_id == AV_CODEC_ID_H263)
1119 mov_write_d263_tag(pb);
1120 else if(track->enc->codec_id == AV_CODEC_ID_AVUI ||
1121 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1122 mov_write_extradata_tag(pb, track);
1124 } else if(track->enc->codec_id == AV_CODEC_ID_DNXHD)
1125 mov_write_avid_tag(pb, track);
1126 else if(track->enc->codec_id == AV_CODEC_ID_H264) {
1127 mov_write_avcc_tag(pb, track);
1128 if(track->mode == MODE_IPOD)
1129 mov_write_uuid_tag_ipod(pb);
1130 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1131 mov_write_dvc1_tag(pb, track);
1132 else if (track->vos_len > 0)
1133 mov_write_glbl_tag(pb, track);
1135 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1136 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1137 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1138 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1139 mov_write_fiel_tag(pb, track);
1141 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1142 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1143 mov_write_pasp_tag(pb, track);
1146 return update_size(pb, pos);
1149 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1151 int64_t pos = avio_tell(pb);
1152 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1153 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1155 if (nb_frames > 255) {
1156 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1157 return AVERROR(EINVAL);
1160 avio_wb32(pb, 0); /* size */
1161 ffio_wfourcc(pb, "tmcd"); /* Data format */
1162 avio_wb32(pb, 0); /* Reserved */
1163 avio_wb32(pb, 1); /* Data reference index */
1164 avio_wb32(pb, 0); /* Flags */
1165 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1166 avio_wb32(pb, track->timescale); /* Timescale */
1167 avio_wb32(pb, frame_duration); /* Frame duration */
1168 avio_w8(pb, nb_frames); /* Number of frames */
1169 avio_wb24(pb, 0); /* Reserved */
1170 /* TODO: source reference string */
1171 return update_size(pb, pos);
1174 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1176 int64_t pos = avio_tell(pb);
1177 avio_wb32(pb, 0); /* size */
1178 ffio_wfourcc(pb, "rtp ");
1179 avio_wb32(pb, 0); /* Reserved */
1180 avio_wb16(pb, 0); /* Reserved */
1181 avio_wb16(pb, 1); /* Data-reference index */
1183 avio_wb16(pb, 1); /* Hint track version */
1184 avio_wb16(pb, 1); /* Highest compatible version */
1185 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1187 avio_wb32(pb, 12); /* size */
1188 ffio_wfourcc(pb, "tims");
1189 avio_wb32(pb, track->timescale);
1191 return update_size(pb, pos);
1194 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1196 int64_t pos = avio_tell(pb);
1197 avio_wb32(pb, 0); /* size */
1198 ffio_wfourcc(pb, "stsd");
1199 avio_wb32(pb, 0); /* version & flags */
1200 avio_wb32(pb, 1); /* entry count */
1201 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1202 mov_write_video_tag(pb, track);
1203 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1204 mov_write_audio_tag(pb, track);
1205 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1206 mov_write_subtitle_tag(pb, track);
1207 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1208 mov_write_rtp_tag(pb, track);
1209 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1210 mov_write_tmcd_tag(pb, track);
1211 return update_size(pb, pos);
1214 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1216 MOVStts *ctts_entries;
1217 uint32_t entries = 0;
1221 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1222 ctts_entries[0].count = 1;
1223 ctts_entries[0].duration = track->cluster[0].cts;
1224 for (i=1; i<track->entry; i++) {
1225 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1226 ctts_entries[entries].count++; /* compress */
1229 ctts_entries[entries].duration = track->cluster[i].cts;
1230 ctts_entries[entries].count = 1;
1233 entries++; /* last one */
1234 atom_size = 16 + (entries * 8);
1235 avio_wb32(pb, atom_size); /* size */
1236 ffio_wfourcc(pb, "ctts");
1237 avio_wb32(pb, 0); /* version & flags */
1238 avio_wb32(pb, entries); /* entry count */
1239 for (i=0; i<entries; i++) {
1240 avio_wb32(pb, ctts_entries[i].count);
1241 avio_wb32(pb, ctts_entries[i].duration);
1243 av_free(ctts_entries);
1247 /* Time to sample atom */
1248 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1250 MOVStts *stts_entries;
1251 uint32_t entries = -1;
1255 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1256 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1257 stts_entries[0].count = track->sample_count;
1258 stts_entries[0].duration = 1;
1261 stts_entries = track->entry ?
1262 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1264 for (i=0; i<track->entry; i++) {
1265 int duration = get_cluster_duration(track, i);
1266 if (i && duration == stts_entries[entries].duration) {
1267 stts_entries[entries].count++; /* compress */
1270 stts_entries[entries].duration = duration;
1271 stts_entries[entries].count = 1;
1274 entries++; /* last one */
1276 atom_size = 16 + (entries * 8);
1277 avio_wb32(pb, atom_size); /* size */
1278 ffio_wfourcc(pb, "stts");
1279 avio_wb32(pb, 0); /* version & flags */
1280 avio_wb32(pb, entries); /* entry count */
1281 for (i=0; i<entries; i++) {
1282 avio_wb32(pb, stts_entries[i].count);
1283 avio_wb32(pb, stts_entries[i].duration);
1285 av_free(stts_entries);
1289 static int mov_write_dref_tag(AVIOContext *pb)
1291 avio_wb32(pb, 28); /* size */
1292 ffio_wfourcc(pb, "dref");
1293 avio_wb32(pb, 0); /* version & flags */
1294 avio_wb32(pb, 1); /* entry count */
1296 avio_wb32(pb, 0xc); /* size */
1297 //FIXME add the alis and rsrc atom
1298 ffio_wfourcc(pb, "url ");
1299 avio_wb32(pb, 1); /* version & flags */
1304 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1306 int64_t pos = avio_tell(pb);
1307 avio_wb32(pb, 0); /* size */
1308 ffio_wfourcc(pb, "stbl");
1309 mov_write_stsd_tag(pb, track);
1310 mov_write_stts_tag(pb, track);
1311 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1312 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1313 track->has_keyframes && track->has_keyframes < track->entry)
1314 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1315 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1316 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1317 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1318 track->flags & MOV_TRACK_CTTS)
1319 mov_write_ctts_tag(pb, track);
1320 mov_write_stsc_tag(pb, track);
1321 mov_write_stsz_tag(pb, track);
1322 mov_write_stco_tag(pb, track);
1323 return update_size(pb, pos);
1326 static int mov_write_dinf_tag(AVIOContext *pb)
1328 int64_t pos = avio_tell(pb);
1329 avio_wb32(pb, 0); /* size */
1330 ffio_wfourcc(pb, "dinf");
1331 mov_write_dref_tag(pb);
1332 return update_size(pb, pos);
1335 static int mov_write_nmhd_tag(AVIOContext *pb)
1338 ffio_wfourcc(pb, "nmhd");
1343 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1345 int64_t pos = avio_tell(pb);
1346 const char *font = "Lucida Grande";
1347 avio_wb32(pb, 0); /* size */
1348 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1349 avio_wb32(pb, 0); /* version & flags */
1350 avio_wb16(pb, 0); /* text font */
1351 avio_wb16(pb, 0); /* text face */
1352 avio_wb16(pb, 12); /* text size */
1353 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1354 avio_wb16(pb, 0x0000); /* text color (red) */
1355 avio_wb16(pb, 0x0000); /* text color (green) */
1356 avio_wb16(pb, 0x0000); /* text color (blue) */
1357 avio_wb16(pb, 0xffff); /* background color (red) */
1358 avio_wb16(pb, 0xffff); /* background color (green) */
1359 avio_wb16(pb, 0xffff); /* background color (blue) */
1360 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1361 avio_write(pb, font, strlen(font)); /* font name */
1362 return update_size(pb, pos);
1365 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1367 int64_t pos = avio_tell(pb);
1368 avio_wb32(pb, 0); /* size */
1369 ffio_wfourcc(pb, "gmhd");
1370 avio_wb32(pb, 0x18); /* gmin size */
1371 ffio_wfourcc(pb, "gmin");/* generic media info */
1372 avio_wb32(pb, 0); /* version & flags */
1373 avio_wb16(pb, 0x40); /* graphics mode = */
1374 avio_wb16(pb, 0x8000); /* opColor (r?) */
1375 avio_wb16(pb, 0x8000); /* opColor (g?) */
1376 avio_wb16(pb, 0x8000); /* opColor (b?) */
1377 avio_wb16(pb, 0); /* balance */
1378 avio_wb16(pb, 0); /* reserved */
1381 * This special text atom is required for
1382 * Apple Quicktime chapters. The contents
1383 * don't appear to be documented, so the
1384 * bytes are copied verbatim.
1386 if (track->tag != MKTAG('c','6','0','8')) {
1387 avio_wb32(pb, 0x2C); /* size */
1388 ffio_wfourcc(pb, "text");
1389 avio_wb16(pb, 0x01);
1390 avio_wb32(pb, 0x00);
1391 avio_wb32(pb, 0x00);
1392 avio_wb32(pb, 0x00);
1393 avio_wb32(pb, 0x01);
1394 avio_wb32(pb, 0x00);
1395 avio_wb32(pb, 0x00);
1396 avio_wb32(pb, 0x00);
1397 avio_wb32(pb, 0x00004000);
1398 avio_wb16(pb, 0x0000);
1401 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1402 int64_t tmcd_pos = avio_tell(pb);
1403 avio_wb32(pb, 0); /* size */
1404 ffio_wfourcc(pb, "tmcd");
1405 mov_write_tcmi_tag(pb, track);
1406 update_size(pb, tmcd_pos);
1408 return update_size(pb, pos);
1411 static int mov_write_smhd_tag(AVIOContext *pb)
1413 avio_wb32(pb, 16); /* size */
1414 ffio_wfourcc(pb, "smhd");
1415 avio_wb32(pb, 0); /* version & flags */
1416 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1417 avio_wb16(pb, 0); /* reserved */
1421 static int mov_write_vmhd_tag(AVIOContext *pb)
1423 avio_wb32(pb, 0x14); /* size (always 0x14) */
1424 ffio_wfourcc(pb, "vmhd");
1425 avio_wb32(pb, 0x01); /* version & flags */
1426 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1430 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1432 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1433 int64_t pos = avio_tell(pb);
1435 if (!track) { /* no media --> data handler */
1438 descr = "DataHandler";
1440 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1441 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1443 descr = "VideoHandler";
1444 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1446 descr = "SoundHandler";
1447 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1448 if (track->tag == MKTAG('c','6','0','8')) {
1450 descr = "ClosedCaptionHandler";
1452 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1453 else hdlr_type = "text";
1454 descr = "SubtitleHandler";
1456 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1458 descr = "TimeCodeHandler";
1459 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1461 descr = "HintHandler";
1465 descr = "DataHandler";
1469 avio_wb32(pb, 0); /* size */
1470 ffio_wfourcc(pb, "hdlr");
1471 avio_wb32(pb, 0); /* Version & flags */
1472 avio_write(pb, hdlr, 4); /* handler */
1473 ffio_wfourcc(pb, hdlr_type); /* handler type */
1474 avio_wb32(pb ,0); /* reserved */
1475 avio_wb32(pb ,0); /* reserved */
1476 avio_wb32(pb ,0); /* reserved */
1477 if (!track || track->mode == MODE_MOV)
1478 avio_w8(pb, strlen(descr)); /* pascal string */
1479 avio_write(pb, descr, strlen(descr)); /* handler description */
1480 if (track && track->mode != MODE_MOV)
1481 avio_w8(pb, 0); /* c string */
1482 return update_size(pb, pos);
1485 static int mov_write_hmhd_tag(AVIOContext *pb)
1487 /* This atom must be present, but leaving the values at zero
1488 * seems harmless. */
1489 avio_wb32(pb, 28); /* size */
1490 ffio_wfourcc(pb, "hmhd");
1491 avio_wb32(pb, 0); /* version, flags */
1492 avio_wb16(pb, 0); /* maxPDUsize */
1493 avio_wb16(pb, 0); /* avgPDUsize */
1494 avio_wb32(pb, 0); /* maxbitrate */
1495 avio_wb32(pb, 0); /* avgbitrate */
1496 avio_wb32(pb, 0); /* reserved */
1500 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1502 int64_t pos = avio_tell(pb);
1503 avio_wb32(pb, 0); /* size */
1504 ffio_wfourcc(pb, "minf");
1505 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1506 mov_write_vmhd_tag(pb);
1507 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1508 mov_write_smhd_tag(pb);
1509 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1510 if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1511 mov_write_gmhd_tag(pb, track);
1513 mov_write_nmhd_tag(pb);
1515 } else if (track->tag == MKTAG('t','m','c','d')) {
1516 mov_write_gmhd_tag(pb, track);
1517 } else if (track->tag == MKTAG('r','t','p',' ')) {
1518 mov_write_hmhd_tag(pb);
1520 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1521 mov_write_hdlr_tag(pb, NULL);
1522 mov_write_dinf_tag(pb);
1523 mov_write_stbl_tag(pb, track);
1524 return update_size(pb, pos);
1527 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1529 int version = track->track_duration < INT32_MAX ? 0 : 1;
1531 if (track->mode == MODE_ISM)
1534 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1535 ffio_wfourcc(pb, "mdhd");
1536 avio_w8(pb, version);
1537 avio_wb24(pb, 0); /* flags */
1539 avio_wb64(pb, track->time);
1540 avio_wb64(pb, track->time);
1542 avio_wb32(pb, track->time); /* creation time */
1543 avio_wb32(pb, track->time); /* modification time */
1545 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1547 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1549 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1550 avio_wb16(pb, track->language); /* language */
1551 avio_wb16(pb, 0); /* reserved (quality) */
1553 if(version!=0 && track->mode == MODE_MOV){
1554 av_log(NULL, AV_LOG_ERROR,
1555 "FATAL error, file duration too long for timebase, this file will not be\n"
1556 "playable with quicktime. Choose a different timebase or a different\n"
1557 "container format\n");
1563 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1565 int64_t pos = avio_tell(pb);
1566 avio_wb32(pb, 0); /* size */
1567 ffio_wfourcc(pb, "mdia");
1568 mov_write_mdhd_tag(pb, track);
1569 mov_write_hdlr_tag(pb, track);
1570 mov_write_minf_tag(pb, track);
1571 return update_size(pb, pos);
1574 /* transformation matrix
1578 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1579 int16_t d, int16_t tx, int16_t ty)
1581 avio_wb32(pb, a << 16); /* 16.16 format */
1582 avio_wb32(pb, b << 16); /* 16.16 format */
1583 avio_wb32(pb, 0); /* u in 2.30 format */
1584 avio_wb32(pb, c << 16); /* 16.16 format */
1585 avio_wb32(pb, d << 16); /* 16.16 format */
1586 avio_wb32(pb, 0); /* v in 2.30 format */
1587 avio_wb32(pb, tx << 16); /* 16.16 format */
1588 avio_wb32(pb, ty << 16); /* 16.16 format */
1589 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1592 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1594 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1595 track->timescale, AV_ROUND_UP);
1596 int version = duration < INT32_MAX ? 0 : 1;
1599 if (track->mode == MODE_ISM)
1602 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1603 ffio_wfourcc(pb, "tkhd");
1604 avio_w8(pb, version);
1605 avio_wb24(pb, track->secondary ? 0x2 : 0xf); /* flags (first track enabled) */
1607 avio_wb64(pb, track->time);
1608 avio_wb64(pb, track->time);
1610 avio_wb32(pb, track->time); /* creation time */
1611 avio_wb32(pb, track->time); /* modification time */
1613 avio_wb32(pb, track->track_id); /* track-id */
1614 avio_wb32(pb, 0); /* reserved */
1616 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1618 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1620 avio_wb32(pb, 0); /* reserved */
1621 avio_wb32(pb, 0); /* reserved */
1622 avio_wb16(pb, 0); /* layer */
1623 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1624 /* Volume, only for audio */
1625 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1626 avio_wb16(pb, 0x0100);
1629 avio_wb16(pb, 0); /* reserved */
1631 /* Matrix structure */
1632 if (st && st->metadata) {
1633 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1634 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1636 if (rotation == 90) {
1637 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1638 } else if (rotation == 180) {
1639 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1640 } else if (rotation == 270) {
1641 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1643 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1645 /* Track width and height, for visual only */
1646 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1647 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1648 if(track->mode == MODE_MOV) {
1649 avio_wb32(pb, track->enc->width << 16);
1650 avio_wb32(pb, track->height << 16);
1652 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1653 if(!sample_aspect_ratio || track->height != track->enc->height)
1654 sample_aspect_ratio = 1;
1655 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1656 avio_wb32(pb, track->height*0x10000);
1666 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1668 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1669 track->enc->sample_aspect_ratio.den);
1671 int64_t pos = avio_tell(pb);
1673 avio_wb32(pb, 0); /* size */
1674 ffio_wfourcc(pb, "tapt");
1677 ffio_wfourcc(pb, "clef");
1679 avio_wb32(pb, width << 16);
1680 avio_wb32(pb, track->enc->height << 16);
1683 ffio_wfourcc(pb, "prof");
1685 avio_wb32(pb, width << 16);
1686 avio_wb32(pb, track->enc->height << 16);
1689 ffio_wfourcc(pb, "enof");
1691 avio_wb32(pb, track->enc->width << 16);
1692 avio_wb32(pb, track->enc->height << 16);
1694 return update_size(pb, pos);
1697 // This box seems important for the psp playback ... without it the movie seems to hang
1698 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1700 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1701 track->timescale, AV_ROUND_UP);
1702 int version = duration < INT32_MAX ? 0 : 1;
1703 int entry_size, entry_count, size;
1704 int64_t delay, start_ct = track->cluster[0].cts;
1705 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1706 track->timescale, AV_ROUND_DOWN);
1707 version |= delay < INT32_MAX ? 0 : 1;
1709 entry_size = (version == 1) ? 20 : 12;
1710 entry_count = 1 + (delay > 0);
1711 size = 24 + entry_count * entry_size;
1713 /* write the atom data */
1714 avio_wb32(pb, size);
1715 ffio_wfourcc(pb, "edts");
1716 avio_wb32(pb, size - 8);
1717 ffio_wfourcc(pb, "elst");
1718 avio_w8(pb, version);
1719 avio_wb24(pb, 0); /* flags */
1721 avio_wb32(pb, entry_count);
1722 if (delay > 0) { /* add an empty edit to delay presentation */
1724 avio_wb64(pb, delay);
1727 avio_wb32(pb, delay);
1730 avio_wb32(pb, 0x00010000);
1732 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
1733 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1739 avio_wb64(pb, duration);
1740 avio_wb64(pb, start_ct);
1742 avio_wb32(pb, duration);
1743 avio_wb32(pb, start_ct);
1745 avio_wb32(pb, 0x00010000);
1749 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1751 avio_wb32(pb, 20); // size
1752 ffio_wfourcc(pb, "tref");
1753 avio_wb32(pb, 12); // size (subatom)
1754 avio_wl32(pb, track->tref_tag);
1755 avio_wb32(pb, track->tref_id);
1759 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1760 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1762 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1763 ffio_wfourcc(pb, "uuid");
1764 ffio_wfourcc(pb, "USMT");
1765 avio_wb32(pb, 0x21d24fce);
1766 avio_wb32(pb, 0xbb88695c);
1767 avio_wb32(pb, 0xfac9c740);
1768 avio_wb32(pb, 0x1c); // another size here!
1769 ffio_wfourcc(pb, "MTDT");
1770 avio_wb32(pb, 0x00010012);
1771 avio_wb32(pb, 0x0a);
1772 avio_wb32(pb, 0x55c40000);
1778 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1781 AVFormatContext *ctx = track->rtp_ctx;
1782 char buf[1000] = "";
1785 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1786 NULL, NULL, 0, 0, ctx);
1787 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1790 avio_wb32(pb, len + 24);
1791 ffio_wfourcc(pb, "udta");
1792 avio_wb32(pb, len + 16);
1793 ffio_wfourcc(pb, "hnti");
1794 avio_wb32(pb, len + 8);
1795 ffio_wfourcc(pb, "sdp ");
1796 avio_write(pb, buf, len);
1800 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1801 MOVTrack *track, AVStream *st)
1803 int64_t pos = avio_tell(pb);
1804 avio_wb32(pb, 0); /* size */
1805 ffio_wfourcc(pb, "trak");
1806 mov_write_tkhd_tag(pb, track, st);
1807 if (supports_edts(mov))
1808 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1809 if (track->tref_tag)
1810 mov_write_tref_tag(pb, track);
1811 mov_write_mdia_tag(pb, track);
1812 if (track->mode == MODE_PSP)
1813 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1814 if (track->tag == MKTAG('r','t','p',' '))
1815 mov_write_udta_sdp(pb, track);
1816 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1817 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1818 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1819 mov_write_tapt_tag(pb, track);
1821 return update_size(pb, pos);
1824 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1826 int i, has_audio = 0, has_video = 0;
1827 int64_t pos = avio_tell(pb);
1828 int audio_profile = mov->iods_audio_profile;
1829 int video_profile = mov->iods_video_profile;
1830 for (i = 0; i < mov->nb_streams; i++) {
1831 if(mov->tracks[i].entry > 0) {
1832 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1833 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1836 if (audio_profile < 0)
1837 audio_profile = 0xFF - has_audio;
1838 if (video_profile < 0)
1839 video_profile = 0xFF - has_video;
1840 avio_wb32(pb, 0x0); /* size */
1841 ffio_wfourcc(pb, "iods");
1842 avio_wb32(pb, 0); /* version & flags */
1843 put_descr(pb, 0x10, 7);
1844 avio_wb16(pb, 0x004f);
1847 avio_w8(pb, audio_profile);
1848 avio_w8(pb, video_profile);
1850 return update_size(pb, pos);
1853 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1855 avio_wb32(pb, 0x20); /* size */
1856 ffio_wfourcc(pb, "trex");
1857 avio_wb32(pb, 0); /* version & flags */
1858 avio_wb32(pb, track->track_id); /* track ID */
1859 avio_wb32(pb, 1); /* default sample description index */
1860 avio_wb32(pb, 0); /* default sample duration */
1861 avio_wb32(pb, 0); /* default sample size */
1862 avio_wb32(pb, 0); /* default sample flags */
1866 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1868 int64_t pos = avio_tell(pb);
1870 avio_wb32(pb, 0x0); /* size */
1871 ffio_wfourcc(pb, "mvex");
1872 for (i = 0; i < mov->nb_streams; i++)
1873 mov_write_trex_tag(pb, &mov->tracks[i]);
1874 return update_size(pb, pos);
1877 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1879 int max_track_id = 1, i;
1880 int64_t max_track_len_temp, max_track_len = 0;
1883 for (i=0; i<mov->nb_streams; i++) {
1884 if(mov->tracks[i].entry > 0) {
1885 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1887 mov->tracks[i].timescale,
1889 if (max_track_len < max_track_len_temp)
1890 max_track_len = max_track_len_temp;
1891 if (max_track_id < mov->tracks[i].track_id)
1892 max_track_id = mov->tracks[i].track_id;
1896 version = max_track_len < UINT32_MAX ? 0 : 1;
1897 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1898 ffio_wfourcc(pb, "mvhd");
1899 avio_w8(pb, version);
1900 avio_wb24(pb, 0); /* flags */
1902 avio_wb64(pb, mov->time);
1903 avio_wb64(pb, mov->time);
1905 avio_wb32(pb, mov->time); /* creation time */
1906 avio_wb32(pb, mov->time); /* modification time */
1908 avio_wb32(pb, MOV_TIMESCALE);
1909 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1911 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1912 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1913 avio_wb16(pb, 0); /* reserved */
1914 avio_wb32(pb, 0); /* reserved */
1915 avio_wb32(pb, 0); /* reserved */
1917 /* Matrix structure */
1918 write_matrix(pb, 1, 0, 0, 1, 0, 0);
1920 avio_wb32(pb, 0); /* reserved (preview time) */
1921 avio_wb32(pb, 0); /* reserved (preview duration) */
1922 avio_wb32(pb, 0); /* reserved (poster time) */
1923 avio_wb32(pb, 0); /* reserved (selection time) */
1924 avio_wb32(pb, 0); /* reserved (selection duration) */
1925 avio_wb32(pb, 0); /* reserved (current time) */
1926 avio_wb32(pb, max_track_id + 1); /* Next track id */
1930 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1933 avio_wb32(pb, 33); /* size */
1934 ffio_wfourcc(pb, "hdlr");
1937 ffio_wfourcc(pb, "mdir");
1938 ffio_wfourcc(pb, "appl");
1945 /* helper function to write a data tag with the specified string as data */
1946 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1949 int size = 16 + strlen(data);
1950 avio_wb32(pb, size); /* size */
1951 ffio_wfourcc(pb, "data");
1954 avio_write(pb, data, strlen(data));
1958 lang = ff_mov_iso639_to_lang("und", 1);
1959 avio_wb16(pb, strlen(data)); /* string length */
1960 avio_wb16(pb, lang);
1961 avio_write(pb, data, strlen(data));
1962 return strlen(data) + 4;
1966 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1968 if (value && value[0]) {
1969 int64_t pos = avio_tell(pb);
1970 avio_wb32(pb, 0); /* size */
1971 ffio_wfourcc(pb, name);
1972 mov_write_string_data_tag(pb, value, lang, long_style);
1973 size = update_size(pb, pos);
1978 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1979 const char *name, const char *tag,
1982 int l, lang = 0, len, len2;
1983 AVDictionaryEntry *t, *t2 = NULL;
1986 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1989 len = strlen(t->key);
1990 snprintf(tag2, sizeof(tag2), "%s-", tag);
1991 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1992 len2 = strlen(t2->key);
1993 if (len2 == len+4 && !strcmp(t->value, t2->value)
1994 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1999 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2002 /* iTunes bpm number */
2003 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2005 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2006 int size = 0, tmpo = t ? atoi(t->value) : 0;
2009 avio_wb32(pb, size);
2010 ffio_wfourcc(pb, "tmpo");
2011 avio_wb32(pb, size-8); /* size */
2012 ffio_wfourcc(pb, "data");
2013 avio_wb32(pb, 0x15); //type specifier
2015 avio_wb16(pb, tmpo); // data
2020 /* iTunes track number */
2021 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2024 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2025 int size = 0, track = t ? atoi(t->value) : 0;
2027 avio_wb32(pb, 32); /* size */
2028 ffio_wfourcc(pb, "trkn");
2029 avio_wb32(pb, 24); /* size */
2030 ffio_wfourcc(pb, "data");
2031 avio_wb32(pb, 0); // 8 bytes empty
2033 avio_wb16(pb, 0); // empty
2034 avio_wb16(pb, track); // track number
2035 avio_wb16(pb, 0); // total track number
2036 avio_wb16(pb, 0); // empty
2042 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2043 const char *name, const char *tag,
2046 AVDictionaryEntry *t = NULL;
2049 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2051 num = atoi(t->value);
2053 avio_wb32(pb, len+8);
2054 ffio_wfourcc(pb, name);
2055 if (len==4) avio_wb32(pb, num);
2056 else avio_w8 (pb, num);
2060 /* iTunes meta data list */
2061 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2064 int64_t pos = avio_tell(pb);
2065 avio_wb32(pb, 0); /* size */
2066 ffio_wfourcc(pb, "ilst");
2067 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2068 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2069 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2070 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2071 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2072 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2073 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2074 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2075 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2076 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2077 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2078 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2079 mov_write_string_metadata(s, pb, "desc", "description",1);
2080 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2081 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2082 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2083 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2084 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2085 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2086 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2087 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2088 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2089 mov_write_trkn_tag(pb, mov, s);
2090 mov_write_tmpo_tag(pb, s);
2091 return update_size(pb, pos);
2094 /* iTunes meta data tag */
2095 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2099 int64_t pos = avio_tell(pb);
2100 avio_wb32(pb, 0); /* size */
2101 ffio_wfourcc(pb, "meta");
2103 mov_write_itunes_hdlr_tag(pb, mov, s);
2104 mov_write_ilst_tag(pb, mov, s);
2105 size = update_size(pb, pos);
2109 static int utf8len(const uint8_t *b)
2114 GET_UTF8(val, *b++, return -1;)
2120 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2124 GET_UTF8(val, *b++, return -1;)
2127 avio_wb16(pb, 0x00);
2131 static uint16_t language_code(const char *str)
2133 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
2136 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2137 const char *tag, const char *str)
2139 int64_t pos = avio_tell(pb);
2140 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2141 if (!t || !utf8len(t->value))
2143 avio_wb32(pb, 0); /* size */
2144 ffio_wfourcc(pb, tag); /* type */
2145 avio_wb32(pb, 0); /* version + flags */
2146 if (!strcmp(tag, "yrrc"))
2147 avio_wb16(pb, atoi(t->value));
2149 avio_wb16(pb, language_code("eng")); /* language */
2150 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
2151 if (!strcmp(tag, "albm") &&
2152 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2153 avio_w8(pb, atoi(t->value));
2155 return update_size(pb, pos);
2158 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2160 int64_t pos = avio_tell(pb);
2161 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2163 avio_wb32(pb, 0); // size
2164 ffio_wfourcc(pb, "chpl");
2165 avio_wb32(pb, 0x01000000); // version + flags
2166 avio_wb32(pb, 0); // unknown
2167 avio_w8(pb, nb_chapters);
2169 for (i = 0; i < nb_chapters; i++) {
2170 AVChapter *c = s->chapters[i];
2171 AVDictionaryEntry *t;
2172 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2174 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2175 int len = FFMIN(strlen(t->value), 255);
2177 avio_write(pb, t->value, len);
2181 return update_size(pb, pos);
2184 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2187 AVIOContext *pb_buf;
2191 for (i = 0; i < s->nb_streams; i++)
2192 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2196 ret = avio_open_dyn_buf(&pb_buf);
2200 if (mov->mode & MODE_3GP) {
2201 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2202 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2203 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2204 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2205 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2206 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2207 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2208 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2209 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2210 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
2211 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
2212 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
2213 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2214 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2215 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2216 // currently ignored by mov.c
2217 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2218 // add support for libquicktime, this atom is also actually read by mov.c
2219 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment" , 0);
2220 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2221 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2223 /* iTunes meta data */
2224 mov_write_meta_tag(pb_buf, mov, s);
2228 mov_write_chpl_tag(pb_buf, s);
2230 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2231 avio_wb32(pb, size+8);
2232 ffio_wfourcc(pb, "udta");
2233 avio_write(pb, buf, size);
2240 static void mov_write_psp_udta_tag(AVIOContext *pb,
2241 const char *str, const char *lang, int type)
2243 int len = utf8len(str)+1;
2246 avio_wb16(pb, len*2+10); /* size */
2247 avio_wb32(pb, type); /* type */
2248 avio_wb16(pb, language_code(lang)); /* language */
2249 avio_wb16(pb, 0x01); /* ? */
2250 ascii_to_wc(pb, str);
2253 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2255 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2259 pos = avio_tell(pb);
2260 avio_wb32(pb, 0); /* size placeholder*/
2261 ffio_wfourcc(pb, "uuid");
2262 ffio_wfourcc(pb, "USMT");
2263 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2264 avio_wb32(pb, 0xbb88695c);
2265 avio_wb32(pb, 0xfac9c740);
2267 pos2 = avio_tell(pb);
2268 avio_wb32(pb, 0); /* size placeholder*/
2269 ffio_wfourcc(pb, "MTDT");
2273 avio_wb16(pb, 0x0C); /* size */
2274 avio_wb32(pb, 0x0B); /* type */
2275 avio_wb16(pb, language_code("und")); /* language */
2276 avio_wb16(pb, 0x0); /* ? */
2277 avio_wb16(pb, 0x021C); /* data */
2279 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2280 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2281 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2283 update_size(pb, pos2);
2284 return update_size(pb, pos);
2290 static void build_chunks(MOVTrack *trk)
2293 MOVIentry *chunk= &trk->cluster[0];
2294 uint64_t chunkSize = chunk->size;
2296 if (trk->chunkCount)
2299 for(i=1; i<trk->entry; i++){
2300 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2301 chunkSize + trk->cluster[i].size < (1<<20)){
2302 chunkSize += trk->cluster[i].size;
2303 chunk->samples_in_chunk += trk->cluster[i].entries;
2305 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2306 chunk=&trk->cluster[i];
2307 chunkSize = chunk->size;
2313 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2317 int64_t pos = avio_tell(pb);
2318 int not_first[AVMEDIA_TYPE_NB]={0};
2319 avio_wb32(pb, 0); /* size placeholder*/
2320 ffio_wfourcc(pb, "moov");
2322 for (i=0; i<mov->nb_streams; i++) {
2323 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2326 mov->tracks[i].time = mov->time;
2327 mov->tracks[i].track_id = i+1;
2329 if (mov->tracks[i].entry)
2330 build_chunks(&mov->tracks[i]);
2333 if (mov->chapter_track)
2334 for (i=0; i<s->nb_streams; i++) {
2335 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2336 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2338 for (i = 0; i < mov->nb_streams; i++) {
2339 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2340 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2341 mov->tracks[i].tref_id =
2342 mov->tracks[mov->tracks[i].src_track].track_id;
2345 for (i = 0; i < mov->nb_streams; i++) {
2346 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2347 int src_trk = mov->tracks[i].src_track;
2348 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2349 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2350 mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2354 mov_write_mvhd_tag(pb, mov);
2355 if (mov->mode != MODE_MOV && !mov->iods_skip)
2356 mov_write_iods_tag(pb, mov);
2357 for (i=0; i<mov->nb_streams; i++) {
2358 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2359 if(i < s->nb_streams){
2360 int codec_type= s->streams[i]->codec->codec_type;
2361 if(codec_type==AVMEDIA_TYPE_AUDIO || codec_type==AVMEDIA_TYPE_SUBTITLE){
2362 mov->tracks[i].secondary= not_first[codec_type];
2363 not_first[codec_type]= 1;
2366 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2369 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2370 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2372 if (mov->mode == MODE_PSP)
2373 mov_write_uuidusmt_tag(pb, s);
2375 mov_write_udta_tag(pb, mov, s);
2377 return update_size(pb, pos);
2380 static void param_write_int(AVIOContext *pb, const char *name, int value)
2382 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2385 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2387 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2390 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2393 len = FFMIN(sizeof(buf)/2 - 1, len);
2394 ff_data_to_hex(buf, value, len, 0);
2396 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2399 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2401 int64_t pos = avio_tell(pb);
2403 const uint8_t uuid[] = {
2404 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2405 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2409 ffio_wfourcc(pb, "uuid");
2410 avio_write(pb, uuid, sizeof(uuid));
2413 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2414 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2415 avio_printf(pb, "<head>\n");
2416 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2418 avio_printf(pb, "</head>\n");
2419 avio_printf(pb, "<body>\n");
2420 avio_printf(pb, "<switch>\n");
2421 for (i = 0; i < mov->nb_streams; i++) {
2422 MOVTrack *track = &mov->tracks[i];
2424 /* track->track_id is initialized in write_moov, and thus isn't known
2426 int track_id = i + 1;
2428 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2430 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2435 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2436 track->enc->bit_rate);
2437 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2438 param_write_int(pb, "trackID", track_id);
2439 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2440 if (track->enc->codec_id == AV_CODEC_ID_H264) {
2442 int size = track->enc->extradata_size;
2443 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2445 param_write_hex(pb, "CodecPrivateData",
2446 ptr ? ptr : track->enc->extradata,
2450 param_write_string(pb, "FourCC", "H264");
2451 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2452 param_write_string(pb, "FourCC", "WVC1");
2453 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2454 track->enc->extradata_size);
2456 param_write_int(pb, "MaxWidth", track->enc->width);
2457 param_write_int(pb, "MaxHeight", track->enc->height);
2458 param_write_int(pb, "DisplayWidth", track->enc->width);
2459 param_write_int(pb, "DisplayHeight", track->enc->height);
2461 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2462 param_write_string(pb, "FourCC", "AACL");
2463 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2464 param_write_string(pb, "FourCC", "WMAP");
2466 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2467 track->enc->extradata_size);
2468 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2469 track->enc->codec_id));
2470 param_write_int(pb, "Channels", track->enc->channels);
2471 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2472 param_write_int(pb, "BitsPerSample", 16);
2473 param_write_int(pb, "PacketSize", track->enc->block_align ?
2474 track->enc->block_align : 4);
2476 avio_printf(pb, "</%s>\n", type);
2478 avio_printf(pb, "</switch>\n");
2479 avio_printf(pb, "</body>\n");
2480 avio_printf(pb, "</smil>\n");
2482 return update_size(pb, pos);
2485 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2488 ffio_wfourcc(pb, "mfhd");
2490 avio_wb32(pb, mov->fragments);
2494 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2495 int64_t moof_offset)
2497 int64_t pos = avio_tell(pb);
2498 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2499 MOV_TFHD_BASE_DATA_OFFSET;
2500 if (!track->entry) {
2501 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2503 flags |= MOV_TFHD_DEFAULT_FLAGS;
2506 /* Don't set a default sample size, the silverlight player refuses
2507 * to play files with that set. Don't set a default sample duration,
2508 * WMP freaks out if it is set. */
2509 if (track->mode == MODE_ISM)
2510 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2512 avio_wb32(pb, 0); /* size placeholder */
2513 ffio_wfourcc(pb, "tfhd");
2514 avio_w8(pb, 0); /* version */
2515 avio_wb24(pb, flags);
2517 avio_wb32(pb, track->track_id); /* track-id */
2518 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2519 avio_wb64(pb, moof_offset);
2520 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2521 track->default_duration = get_cluster_duration(track, 0);
2522 avio_wb32(pb, track->default_duration);
2524 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2525 track->default_size = track->entry ? track->cluster[0].size : 1;
2526 avio_wb32(pb, track->default_size);
2528 track->default_size = -1;
2530 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2531 track->default_sample_flags =
2532 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2533 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2534 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2535 avio_wb32(pb, track->default_sample_flags);
2538 return update_size(pb, pos);
2541 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2543 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2544 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2547 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2549 int64_t pos = avio_tell(pb);
2550 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2553 for (i = 0; i < track->entry; i++) {
2554 if (get_cluster_duration(track, i) != track->default_duration)
2555 flags |= MOV_TRUN_SAMPLE_DURATION;
2556 if (track->cluster[i].size != track->default_size)
2557 flags |= MOV_TRUN_SAMPLE_SIZE;
2558 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2559 flags |= MOV_TRUN_SAMPLE_FLAGS;
2561 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2562 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2563 if (track->flags & MOV_TRACK_CTTS)
2564 flags |= MOV_TRUN_SAMPLE_CTS;
2566 avio_wb32(pb, 0); /* size placeholder */
2567 ffio_wfourcc(pb, "trun");
2568 avio_w8(pb, 0); /* version */
2569 avio_wb24(pb, flags);
2571 avio_wb32(pb, track->entry); /* sample count */
2572 track->moof_size_offset = avio_tell(pb);
2573 avio_wb32(pb, 0); /* data offset */
2574 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2575 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2577 for (i = 0; i < track->entry; i++) {
2578 if (flags & MOV_TRUN_SAMPLE_DURATION)
2579 avio_wb32(pb, get_cluster_duration(track, i));
2580 if (flags & MOV_TRUN_SAMPLE_SIZE)
2581 avio_wb32(pb, track->cluster[i].size);
2582 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2583 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2584 if (flags & MOV_TRUN_SAMPLE_CTS)
2585 avio_wb32(pb, track->cluster[i].cts);
2588 return update_size(pb, pos);
2591 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2593 int64_t pos = avio_tell(pb);
2594 const uint8_t uuid[] = {
2595 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2596 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2599 avio_wb32(pb, 0); /* size placeholder */
2600 ffio_wfourcc(pb, "uuid");
2601 avio_write(pb, uuid, sizeof(uuid));
2604 avio_wb64(pb, track->frag_start);
2605 avio_wb64(pb, track->start_dts + track->track_duration -
2606 track->cluster[0].dts);
2608 return update_size(pb, pos);
2611 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2612 MOVTrack *track, int entry)
2614 int n = track->nb_frag_info - 1 - entry, i;
2615 int size = 8 + 16 + 4 + 1 + 16*n;
2616 const uint8_t uuid[] = {
2617 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2618 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2624 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2625 avio_wb32(pb, size);
2626 ffio_wfourcc(pb, "uuid");
2627 avio_write(pb, uuid, sizeof(uuid));
2631 for (i = 0; i < n; i++) {
2632 int index = entry + 1 + i;
2633 avio_wb64(pb, track->frag_info[index].time);
2634 avio_wb64(pb, track->frag_info[index].duration);
2636 if (n < mov->ism_lookahead) {
2637 int free_size = 16*(mov->ism_lookahead - n);
2638 avio_wb32(pb, free_size);
2639 ffio_wfourcc(pb, "free");
2640 for (i = 0; i < free_size - 8; i++)
2647 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2650 int64_t pos = avio_tell(pb);
2652 for (i = 0; i < mov->ism_lookahead; i++) {
2653 /* Update the tfrf tag for the last ism_lookahead fragments,
2654 * nb_frag_info - 1 is the next fragment to be written. */
2655 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2657 avio_seek(pb, pos, SEEK_SET);
2661 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2662 MOVTrack *track, int64_t moof_offset)
2664 int64_t pos = avio_tell(pb);
2665 avio_wb32(pb, 0); /* size placeholder */
2666 ffio_wfourcc(pb, "traf");
2668 mov_write_tfhd_tag(pb, track, moof_offset);
2669 mov_write_trun_tag(pb, track);
2670 if (mov->mode == MODE_ISM) {
2671 mov_write_tfxd_tag(pb, track);
2673 if (mov->ism_lookahead) {
2674 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2676 track->tfrf_offset = avio_tell(pb);
2677 avio_wb32(pb, 8 + size);
2678 ffio_wfourcc(pb, "free");
2679 for (i = 0; i < size; i++)
2684 return update_size(pb, pos);
2687 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2689 int64_t pos = avio_tell(pb), end;
2692 avio_wb32(pb, 0); /* size placeholder */
2693 ffio_wfourcc(pb, "moof");
2695 mov_write_mfhd_tag(pb, mov);
2696 for (i = 0; i < mov->nb_streams; i++) {
2697 MOVTrack *track = &mov->tracks[i];
2698 if (tracks >= 0 && i != tracks)
2702 mov_write_traf_tag(pb, mov, track, pos);
2705 end = avio_tell(pb);
2706 moof_size = end - pos;
2707 for (i = 0; i < mov->nb_streams; i++) {
2708 MOVTrack *track = &mov->tracks[i];
2709 if (tracks >= 0 && i != tracks)
2713 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2714 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2716 avio_seek(pb, end, SEEK_SET);
2718 return update_size(pb, pos);
2721 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2723 int64_t pos = avio_tell(pb);
2726 avio_wb32(pb, 0); /* size placeholder */
2727 ffio_wfourcc(pb, "tfra");
2728 avio_w8(pb, 1); /* version */
2731 avio_wb32(pb, track->track_id);
2732 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2733 avio_wb32(pb, track->nb_frag_info);
2734 for (i = 0; i < track->nb_frag_info; i++) {
2735 avio_wb64(pb, track->frag_info[i].time);
2736 avio_wb64(pb, track->frag_info[i].offset);
2737 avio_w8(pb, 1); /* traf number */
2738 avio_w8(pb, 1); /* trun number */
2739 avio_w8(pb, 1); /* sample number */
2742 return update_size(pb, pos);
2745 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2747 int64_t pos = avio_tell(pb);
2750 avio_wb32(pb, 0); /* size placeholder */
2751 ffio_wfourcc(pb, "mfra");
2752 /* An empty mfra atom is enough to indicate to the publishing point that
2753 * the stream has ended. */
2754 if (mov->flags & FF_MOV_FLAG_ISML)
2755 return update_size(pb, pos);
2757 for (i = 0; i < mov->nb_streams; i++) {
2758 MOVTrack *track = &mov->tracks[i];
2759 if (track->nb_frag_info)
2760 mov_write_tfra_tag(pb, track);
2764 ffio_wfourcc(pb, "mfro");
2765 avio_wb32(pb, 0); /* version + flags */
2766 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2768 return update_size(pb, pos);
2771 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2773 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2774 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2776 mov->mdat_pos = avio_tell(pb);
2777 avio_wb32(pb, 0); /* size placeholder*/
2778 ffio_wfourcc(pb, "mdat");
2782 /* TODO: This needs to be more general */
2783 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2785 MOVMuxContext *mov = s->priv_data;
2786 int64_t pos = avio_tell(pb);
2787 int has_h264 = 0, has_video = 0;
2791 for (i = 0; i < s->nb_streams; i++) {
2792 AVStream *st = s->streams[i];
2793 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2795 if (st->codec->codec_id == AV_CODEC_ID_H264)
2799 avio_wb32(pb, 0); /* size */
2800 ffio_wfourcc(pb, "ftyp");
2802 if (mov->mode == MODE_3GP) {
2803 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2804 minor = has_h264 ? 0x100 : 0x200;
2805 } else if (mov->mode & MODE_3G2) {
2806 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2807 minor = has_h264 ? 0x20000 : 0x10000;
2808 }else if (mov->mode == MODE_PSP)
2809 ffio_wfourcc(pb, "MSNV");
2810 else if (mov->mode == MODE_MP4)
2811 ffio_wfourcc(pb, "isom");
2812 else if (mov->mode == MODE_IPOD)
2813 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2814 else if (mov->mode == MODE_ISM)
2815 ffio_wfourcc(pb, "isml");
2816 else if (mov->mode == MODE_F4V)
2817 ffio_wfourcc(pb, "f4v ");
2819 ffio_wfourcc(pb, "qt ");
2821 avio_wb32(pb, minor);
2823 if(mov->mode == MODE_MOV)
2824 ffio_wfourcc(pb, "qt ");
2825 else if (mov->mode == MODE_ISM) {
2826 ffio_wfourcc(pb, "piff");
2827 ffio_wfourcc(pb, "iso2");
2829 ffio_wfourcc(pb, "isom");
2830 ffio_wfourcc(pb, "iso2");
2832 ffio_wfourcc(pb, "avc1");
2835 if (mov->mode == MODE_3GP)
2836 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2837 else if (mov->mode & MODE_3G2)
2838 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2839 else if (mov->mode == MODE_PSP)
2840 ffio_wfourcc(pb, "MSNV");
2841 else if (mov->mode == MODE_MP4)
2842 ffio_wfourcc(pb, "mp41");
2843 return update_size(pb, pos);
2846 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2848 AVCodecContext *video_codec = s->streams[0]->codec;
2849 AVCodecContext *audio_codec = s->streams[1]->codec;
2850 int audio_rate = audio_codec->sample_rate;
2851 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2852 int audio_kbitrate = audio_codec->bit_rate / 1000;
2853 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2855 avio_wb32(pb, 0x94); /* size */
2856 ffio_wfourcc(pb, "uuid");
2857 ffio_wfourcc(pb, "PROF");
2859 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2860 avio_wb32(pb, 0xbb88695c);
2861 avio_wb32(pb, 0xfac9c740);
2863 avio_wb32(pb, 0x0); /* ? */
2864 avio_wb32(pb, 0x3); /* 3 sections ? */
2866 avio_wb32(pb, 0x14); /* size */
2867 ffio_wfourcc(pb, "FPRF");
2868 avio_wb32(pb, 0x0); /* ? */
2869 avio_wb32(pb, 0x0); /* ? */
2870 avio_wb32(pb, 0x0); /* ? */
2872 avio_wb32(pb, 0x2c); /* size */
2873 ffio_wfourcc(pb, "APRF");/* audio */
2875 avio_wb32(pb, 0x2); /* TrackID */
2876 ffio_wfourcc(pb, "mp4a");
2877 avio_wb32(pb, 0x20f);
2879 avio_wb32(pb, audio_kbitrate);
2880 avio_wb32(pb, audio_kbitrate);
2881 avio_wb32(pb, audio_rate);
2882 avio_wb32(pb, audio_codec->channels);
2884 avio_wb32(pb, 0x34); /* size */
2885 ffio_wfourcc(pb, "VPRF"); /* video */
2887 avio_wb32(pb, 0x1); /* TrackID */
2888 if (video_codec->codec_id == AV_CODEC_ID_H264) {
2889 ffio_wfourcc(pb, "avc1");
2890 avio_wb16(pb, 0x014D);
2891 avio_wb16(pb, 0x0015);
2893 ffio_wfourcc(pb, "mp4v");
2894 avio_wb16(pb, 0x0000);
2895 avio_wb16(pb, 0x0103);
2898 avio_wb32(pb, video_kbitrate);
2899 avio_wb32(pb, video_kbitrate);
2900 avio_wb32(pb, frame_rate);
2901 avio_wb32(pb, frame_rate);
2902 avio_wb16(pb, video_codec->width);
2903 avio_wb16(pb, video_codec->height);
2904 avio_wb32(pb, 0x010001); /* ? */
2907 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2910 int i, closed_gop = 0;
2912 for (i = 0; i < pkt->size - 4; i++) {
2913 c = (c<<8) + pkt->data[i];
2914 if (c == 0x1b8) { // gop
2915 closed_gop = pkt->data[i+4]>>6 & 0x01;
2916 } else if (c == 0x100) { // pic
2917 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2918 if (!temp_ref || closed_gop) // I picture is not reordered
2919 *flags = MOV_SYNC_SAMPLE;
2921 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2928 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2930 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2931 int seq = 0, entry = 0;
2932 int key = pkt->flags & AV_PKT_FLAG_KEY;
2933 start = find_next_marker(pkt->data, end);
2934 for (next = start; next < end; start = next) {
2935 next = find_next_marker(start + 4, end);
2936 switch (AV_RB32(start)) {
2937 case VC1_CODE_SEQHDR:
2940 case VC1_CODE_ENTRYPOINT:
2943 case VC1_CODE_SLICE:
2944 trk->vc1_info.slices = 1;
2948 if (!trk->entry && !fragment) {
2949 /* First packet in first fragment */
2950 trk->vc1_info.first_packet_seq = seq;
2951 trk->vc1_info.first_packet_entry = entry;
2952 } else if ((seq && !trk->vc1_info.packet_seq) ||
2953 (entry && !trk->vc1_info.packet_entry)) {
2955 for (i = 0; i < trk->entry; i++)
2956 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2957 trk->has_keyframes = 0;
2959 trk->vc1_info.packet_seq = 1;
2961 trk->vc1_info.packet_entry = 1;
2963 /* First fragment */
2964 if ((!seq || trk->vc1_info.first_packet_seq) &&
2965 (!entry || trk->vc1_info.first_packet_entry)) {
2966 /* First packet had the same headers as this one, readd the
2967 * sync sample flag. */
2968 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2969 trk->has_keyframes = 1;
2973 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2975 else if (trk->vc1_info.packet_seq)
2977 else if (trk->vc1_info.packet_entry)
2980 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2981 trk->has_keyframes++;
2985 static int get_moov_size(AVFormatContext *s)
2989 AVIOContext *moov_buf;
2990 MOVMuxContext *mov = s->priv_data;
2992 if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2994 mov_write_moov_tag(moov_buf, mov, s);
2995 ret = avio_close_dyn_buf(moov_buf, &buf);
3000 static int mov_flush_fragment(AVFormatContext *s)
3002 MOVMuxContext *mov = s->priv_data;
3003 int i, first_track = -1;
3004 int64_t mdat_size = 0;
3006 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3009 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3010 int64_t pos = avio_tell(s->pb);
3012 int buf_size, moov_size;
3014 for (i = 0; i < mov->nb_streams; i++)
3015 if (!mov->tracks[i].entry)
3017 /* Don't write the initial moov unless all tracks have data */
3018 if (i < mov->nb_streams)
3021 moov_size = get_moov_size(s);
3022 for (i = 0; i < mov->nb_streams; i++)
3023 mov->tracks[i].data_offset = pos + moov_size + 8;
3025 mov_write_moov_tag(s->pb, mov, s);
3027 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3028 mov->mdat_buf = NULL;
3029 avio_wb32(s->pb, buf_size + 8);
3030 ffio_wfourcc(s->pb, "mdat");
3031 avio_write(s->pb, buf, buf_size);
3036 for (i = 0; i < mov->nb_streams; i++) {
3037 if (mov->tracks[i].entry)
3038 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3039 mov->tracks[i].track_duration -
3040 mov->tracks[i].cluster[0].dts;
3041 mov->tracks[i].entry = 0;
3047 for (i = 0; i < mov->nb_streams; i++) {
3048 MOVTrack *track = &mov->tracks[i];
3049 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3050 track->data_offset = 0;
3052 track->data_offset = mdat_size;
3053 if (!track->mdat_buf)
3055 mdat_size += avio_tell(track->mdat_buf);
3056 if (first_track < 0)
3063 for (i = 0; i < mov->nb_streams; i++) {
3064 MOVTrack *track = &mov->tracks[i];
3065 int buf_size, write_moof = 1, moof_tracks = -1;
3067 int64_t duration = 0;
3070 duration = track->start_dts + track->track_duration -
3071 track->cluster[0].dts;
3072 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3073 if (!track->mdat_buf)
3075 mdat_size = avio_tell(track->mdat_buf);
3078 write_moof = i == first_track;
3082 MOVFragmentInfo *info;
3084 track->nb_frag_info++;
3085 track->frag_info = av_realloc(track->frag_info,
3086 sizeof(*track->frag_info) *
3087 track->nb_frag_info);
3088 info = &track->frag_info[track->nb_frag_info - 1];
3089 info->offset = avio_tell(s->pb);
3090 info->time = mov->tracks[i].frag_start;
3091 info->duration = duration;
3092 mov_write_tfrf_tags(s->pb, mov, track);
3094 mov_write_moof_tag(s->pb, mov, moof_tracks);
3095 info->tfrf_offset = track->tfrf_offset;
3098 avio_wb32(s->pb, mdat_size + 8);
3099 ffio_wfourcc(s->pb, "mdat");
3103 track->frag_start += duration;
3105 if (!track->mdat_buf)
3107 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3108 track->mdat_buf = NULL;
3110 avio_write(s->pb, buf, buf_size);
3120 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3122 MOVMuxContext *mov = s->priv_data;
3123 AVIOContext *pb = s->pb;
3124 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3125 AVCodecContext *enc = trk->enc;
3126 unsigned int samples_in_chunk = 0;
3127 int size= pkt->size;
3128 uint8_t *reformatted_data = NULL;
3130 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3132 if (mov->fragments > 0) {
3133 if (!trk->mdat_buf) {
3134 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3139 if (!mov->mdat_buf) {
3140 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3147 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3148 /* We must find out how many AMR blocks there are in one packet */
3149 static uint16_t packed_size[16] =
3150 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3153 while (len < size && samples_in_chunk < 100) {
3154 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3157 if (samples_in_chunk > 1) {
3158 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3161 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3162 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3163 samples_in_chunk = enc->frame_size;
3164 } else if (trk->sample_size)
3165 samples_in_chunk = size / trk->sample_size;
3167 samples_in_chunk = 1;
3169 /* copy extradata if it exists */
3170 if (trk->vos_len == 0 && enc->extradata_size > 0) {
3171 trk->vos_len = enc->extradata_size;
3172 trk->vos_data = av_malloc(trk->vos_len);
3173 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3176 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3177 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3178 if (!s->streams[pkt->stream_index]->nb_frames) {
3179 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
3182 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3184 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3185 /* from x264 or from bytestream h264 */
3186 /* nal reformating needed */
3187 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3188 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3190 avio_write(pb, reformatted_data, size);
3192 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3195 avio_write(pb, pkt->data, size);
3198 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3199 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3200 /* copy frame to create needed atoms */
3201 trk->vos_len = size;
3202 trk->vos_data = av_malloc(size);
3204 return AVERROR(ENOMEM);
3205 memcpy(trk->vos_data, pkt->data, size);
3208 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
3209 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
3214 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3215 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3216 trk->cluster[trk->entry].chunkNum = 0;
3217 trk->cluster[trk->entry].size = size;
3218 trk->cluster[trk->entry].entries = samples_in_chunk;
3219 trk->cluster[trk->entry].dts = pkt->dts;
3220 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3221 /* First packet of a new fragment. We already wrote the duration
3222 * of the last packet of the previous fragment based on track_duration,
3223 * which might not exactly match our dts. Therefore adjust the dts
3224 * of this packet to be what the previous packets duration implies. */
3225 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3227 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3228 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3230 if (trk->start_dts == AV_NOPTS_VALUE)
3231 trk->start_dts = pkt->dts;
3232 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3233 trk->last_sample_is_subtitle_end = 0;
3235 if (pkt->pts == AV_NOPTS_VALUE) {
3236 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3237 pkt->pts = pkt->dts;
3239 if (pkt->dts != pkt->pts)
3240 trk->flags |= MOV_TRACK_CTTS;
3241 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3242 trk->cluster[trk->entry].flags = 0;
3243 if (enc->codec_id == AV_CODEC_ID_VC1) {
3244 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3245 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3246 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3247 trk->entry > 0) { // force sync sample for the first key frame
3248 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3249 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3250 trk->flags |= MOV_TRACK_STPS;
3252 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3254 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3255 trk->has_keyframes++;
3258 trk->sample_count += samples_in_chunk;
3259 mov->mdat_size += size;
3263 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3264 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3265 reformatted_data, size);
3266 av_free(reformatted_data);
3270 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3272 MOVMuxContext *mov = s->priv_data;
3273 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3274 AVCodecContext *enc = trk->enc;
3275 int64_t frag_duration = 0;
3276 int size = pkt->size;
3278 if (!pkt->size) return 0; /* Discard 0 sized packets */
3280 if (trk->entry && pkt->stream_index < s->nb_streams)
3281 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3282 s->streams[pkt->stream_index]->time_base,
3284 if ((mov->max_fragment_duration &&
3285 frag_duration >= mov->max_fragment_duration) ||
3286 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3287 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3288 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3289 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3290 if (frag_duration >= mov->min_fragment_duration)
3291 mov_flush_fragment(s);
3294 return ff_mov_write_packet(s, pkt);
3297 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3301 uint8_t data[2] = {0};
3304 av_init_packet(&end);
3305 end.size = sizeof(data);
3310 end.stream_index = stream_index;
3312 ret = mov_write_single_packet(s, &end);
3313 av_free_packet(&end);
3318 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3321 mov_flush_fragment(s);
3325 MOVMuxContext *mov = s->priv_data;
3327 if (!pkt->size) return 0; /* Discard 0 sized packets */
3330 * Subtitles require special handling.
3332 * 1) For full complaince, every track must have a sample at
3333 * dts == 0, which is rarely true for subtitles. So, as soon
3334 * as we see any packet with dts > 0, write an empty subtitle
3335 * at dts == 0 for any subtitle track with no samples in it.
3337 * 2) For each subtitle track, check if the current packet's
3338 * dts is past the duration of the last subtitle sample. If
3339 * so, we now need to write an end sample for that subtitle.
3341 * This must be done conditionally to allow for subtitles that
3342 * immediately replace each other, in which case an end sample
3343 * is not needed, and is, in fact, actively harmful.
3345 * 3) See mov_write_trailer for how the final end sample is
3348 for (i = 0; i < mov->nb_streams; i++) {
3349 MOVTrack *trk = &mov->tracks[i];
3352 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3353 trk->track_duration < pkt->dts &&
3354 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3355 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3356 if (ret < 0) return ret;
3357 trk->last_sample_is_subtitle_end = 1;
3361 return mov_write_single_packet(s, pkt);
3365 // QuickTime chapters involve an additional text track with the chapter names
3366 // as samples, and a tref pointing from the other tracks to the chapter one.
3367 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3371 MOVMuxContext *mov = s->priv_data;
3372 MOVTrack *track = &mov->tracks[tracknum];
3373 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3376 track->mode = mov->mode;
3377 track->tag = MKTAG('t','e','x','t');
3378 track->timescale = MOV_TIMESCALE;
3379 track->enc = avcodec_alloc_context3(NULL);
3380 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3382 if (avio_open_dyn_buf(&pb) >= 0) {
3386 /* Stub header (usually for Quicktime chapter track) */
3388 avio_wb32(pb, 0x01); // displayFlags
3389 avio_w8(pb, 0x00); // horizontal justification
3390 avio_w8(pb, 0x00); // vertical justification
3391 avio_w8(pb, 0x00); // bgColourRed
3392 avio_w8(pb, 0x00); // bgColourGreen
3393 avio_w8(pb, 0x00); // bgColourBlue
3394 avio_w8(pb, 0x00); // bgColourAlpha
3396 avio_wb16(pb, 0x00); // defTextBoxTop
3397 avio_wb16(pb, 0x00); // defTextBoxLeft
3398 avio_wb16(pb, 0x00); // defTextBoxBottom
3399 avio_wb16(pb, 0x00); // defTextBoxRight
3401 avio_wb16(pb, 0x00); // startChar
3402 avio_wb16(pb, 0x00); // endChar
3403 avio_wb16(pb, 0x01); // fontID
3404 avio_w8(pb, 0x00); // fontStyleFlags
3405 avio_w8(pb, 0x00); // fontSize
3406 avio_w8(pb, 0x00); // fgColourRed
3407 avio_w8(pb, 0x00); // fgColourGreen
3408 avio_w8(pb, 0x00); // fgColourBlue
3409 avio_w8(pb, 0x00); // fgColourAlpha
3411 avio_wb32(pb, 0x0D); // box size
3412 ffio_wfourcc(pb, "ftab"); // box atom name
3413 avio_wb16(pb, 0x01); // entry count
3415 avio_wb16(pb, 0x01); // font ID
3416 avio_w8(pb, 0x00); // font name length
3418 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3419 track->enc->extradata = buf;
3420 track->enc->extradata_size = size;
3426 for (i = 0; i < s->nb_chapters; i++) {
3427 AVChapter *c = s->chapters[i];
3428 AVDictionaryEntry *t;
3430 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3431 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3432 pkt.duration = end - pkt.dts;
3434 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3435 len = strlen(t->value);
3437 pkt.data = av_malloc(pkt.size);
3438 AV_WB16(pkt.data, len);
3439 memcpy(pkt.data+2, t->value, len);
3440 ff_mov_write_packet(s, &pkt);
3441 av_freep(&pkt.data);
3446 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3449 MOVMuxContext *mov = s->priv_data;
3450 MOVTrack *track = &mov->tracks[index];
3451 AVStream *src_st = s->streams[src_index];
3453 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3454 AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3456 /* if the codec time base makes no sense, try to fallback on stream frame rate */
3457 if (av_timecode_check_frame_rate(rate) < 0) {
3458 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3459 rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3460 rate = src_st->avg_frame_rate;
3463 /* compute the frame number */
3464 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3468 /* tmcd track based on video stream */
3469 track->mode = mov->mode;
3470 track->tag = MKTAG('t','m','c','d');
3471 track->src_track = src_index;
3472 track->timescale = mov->tracks[src_index].timescale;
3473 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
3474 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
3476 /* encode context: tmcd data stream */
3477 track->enc = avcodec_alloc_context3(NULL);
3478 track->enc->codec_type = AVMEDIA_TYPE_DATA;
3479 track->enc->codec_tag = track->tag;
3480 track->enc->time_base = src_st->codec->time_base;
3482 /* the tmcd track just contains one packet with the frame number */
3483 pkt.data = av_malloc(pkt.size);
3484 AV_WB32(pkt.data, tc.start);
3485 ret = ff_mov_write_packet(s, &pkt);
3490 static int mov_write_header(AVFormatContext *s)
3492 AVIOContext *pb = s->pb;
3493 MOVMuxContext *mov = s->priv_data;
3494 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3495 int i, hint_track = 0, tmcd_track = 0;
3497 /* Set the FRAGMENT flag if any of the fragmentation methods are
3499 if (mov->max_fragment_duration || mov->max_fragment_size ||
3500 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3501 FF_MOV_FLAG_FRAG_KEYFRAME |
3502 FF_MOV_FLAG_FRAG_CUSTOM))
3503 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3505 /* faststart: moov at the beginning of the file, if supported */
3506 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3507 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3508 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3510 mov->reserved_moov_size = -1;
3513 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3514 s->avoid_negative_ts = 1;
3517 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3518 * is enabled, we don't support non-seekable output at all. */
3519 if (!s->pb->seekable &&
3520 ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3521 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3522 || mov->ism_lookahead)) {
3523 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3527 /* Default mode == MP4 */
3528 mov->mode = MODE_MP4;
3530 if (s->oformat != NULL) {
3531 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3532 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3533 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3534 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3535 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3536 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3537 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3539 mov_write_ftyp_tag(pb,s);
3540 if (mov->mode == MODE_PSP) {
3541 if (s->nb_streams != 2) {
3542 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3545 mov_write_uuidprof_tag(pb,s);
3549 mov->nb_streams = s->nb_streams;
3550 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3551 mov->chapter_track = mov->nb_streams++;
3553 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3554 /* Add hint tracks for each audio and video stream */
3555 hint_track = mov->nb_streams;
3556 for (i = 0; i < s->nb_streams; i++) {
3557 AVStream *st = s->streams[i];
3558 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3559 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3565 if (mov->mode == MODE_MOV) {
3566 tmcd_track = mov->nb_streams;
3568 /* +1 tmcd track for each video stream with a timecode */
3569 for (i = 0; i < s->nb_streams; i++) {
3570 AVStream *st = s->streams[i];
3571 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3572 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3573 mov->nb_meta_tmcd++;
3576 /* check if there is already a tmcd track to remux */
3577 if (mov->nb_meta_tmcd) {
3578 for (i = 0; i < s->nb_streams; i++) {
3579 AVStream *st = s->streams[i];
3580 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3581 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3582 "so timecode metadata are now ignored\n");
3583 mov->nb_meta_tmcd = 0;
3588 mov->nb_streams += mov->nb_meta_tmcd;
3591 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3593 return AVERROR(ENOMEM);
3595 for(i=0; i<s->nb_streams; i++){
3596 AVStream *st= s->streams[i];
3597 MOVTrack *track= &mov->tracks[i];
3598 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3600 track->enc = st->codec;
3601 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3602 if (track->language < 0)
3603 track->language = 0;
3604 track->mode = mov->mode;
3605 track->tag = mov_find_codec_tag(s, track);
3607 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3608 "codec not currently supported in container\n", i);
3611 /* If hinting of this track is enabled by a later hint track,
3612 * this is updated. */
3613 track->hint_track = -1;
3614 track->start_dts = AV_NOPTS_VALUE;
3615 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3616 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3617 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3618 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3619 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3620 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3623 track->height = track->tag>>24 == 'n' ? 486 : 576;
3625 track->timescale = st->codec->time_base.den;
3626 while(track->timescale < 10000)
3627 track->timescale *= 2;
3628 if (track->mode == MODE_MOV && track->timescale > 100000)
3629 av_log(s, AV_LOG_WARNING,
3630 "WARNING codec timebase is very high. If duration is too long,\n"
3631 "file may not be playable by quicktime. Specify a shorter timebase\n"
3632 "or choose different container.\n");
3633 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3634 track->timescale = st->codec->sample_rate;
3635 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3636 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3637 track->audio_vbr = 1;
3638 }else if(st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3639 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
3640 st->codec->codec_id == AV_CODEC_ID_ILBC){
3641 if (!st->codec->block_align) {
3642 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3645 track->sample_size = st->codec->block_align;
3646 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3647 track->audio_vbr = 1;
3649 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3651 if (track->mode != MODE_MOV &&
3652 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3653 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3654 i, track->enc->sample_rate);
3657 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3658 track->timescale = st->codec->time_base.den;
3660 track->timescale = MOV_TIMESCALE;
3663 track->height = st->codec->height;
3664 /* The ism specific timescale isn't mandatory, but is assumed by
3665 * some tools, such as mp4split. */
3666 if (mov->mode == MODE_ISM)
3667 track->timescale = 10000000;
3669 avpriv_set_pts_info(st, 64, 1, track->timescale);
3671 /* copy extradata if it exists */
3672 if (st->codec->extradata_size) {
3673 track->vos_len = st->codec->extradata_size;
3674 track->vos_data = av_malloc(track->vos_len);
3675 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3679 if (mov->mode == MODE_ISM) {
3680 /* If no fragmentation options have been set, set a default. */
3681 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3682 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3683 !mov->max_fragment_duration && !mov->max_fragment_size)
3684 mov->max_fragment_duration = 5000000;
3685 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
3686 FF_MOV_FLAG_FRAGMENT;
3689 if(mov->reserved_moov_size){
3690 mov->reserved_moov_pos= avio_tell(pb);
3691 if (mov->reserved_moov_size > 0)
3692 avio_skip(pb, mov->reserved_moov_size);
3695 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3696 mov_write_mdat_tag(pb, mov);
3698 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3699 mov->time = ff_iso8601_to_unix_time(t->value);
3701 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3703 if (mov->chapter_track)
3704 mov_create_chapter_track(s, mov->chapter_track);
3706 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3707 /* Initialize the hint tracks for each audio and video stream */
3708 for (i = 0; i < s->nb_streams; i++) {
3709 AVStream *st = s->streams[i];
3710 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3711 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3712 ff_mov_init_hinting(s, hint_track, i);
3718 if (mov->nb_meta_tmcd) {
3719 /* Initialize the tmcd tracks */
3720 for (i = 0; i < s->nb_streams; i++) {
3721 AVStream *st = s->streams[i];
3724 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3726 t = av_dict_get(st->metadata, "timecode", NULL, 0);
3729 if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3738 if (mov->flags & FF_MOV_FLAG_ISML)
3739 mov_write_isml_manifest(pb, mov);
3741 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3742 mov_write_moov_tag(pb, mov, s);
3748 av_freep(&mov->tracks);
3753 * This function gets the moov size if moved to the top of the file: the chunk
3754 * offset table can switch between stco (32-bit entries) to co64 (64-bit
3755 * entries) when the moov is moved to the top, so the size of the moov would
3756 * change. It also updates the chunk offset tables.
3758 static int compute_moov_size(AVFormatContext *s)
3760 int i, moov_size, moov_size2;
3761 MOVMuxContext *mov = s->priv_data;
3763 moov_size = get_moov_size(s);
3767 for (i = 0; i < mov->nb_streams; i++)
3768 mov->tracks[i].data_offset += moov_size;
3770 moov_size2 = get_moov_size(s);
3774 /* if the size changed, we just switched from stco to co64 and needs to
3775 * update the offsets */
3776 if (moov_size2 != moov_size)
3777 for (i = 0; i < mov->nb_streams; i++)
3778 mov->tracks[i].data_offset += moov_size2 - moov_size;
3783 static int shift_data(AVFormatContext *s)
3785 int ret = 0, moov_size;
3786 MOVMuxContext *mov = s->priv_data;
3787 int64_t pos, pos_end = avio_tell(s->pb);
3788 uint8_t *buf, *read_buf[2];
3789 int read_buf_id = 0;
3791 AVIOContext *read_pb;
3793 moov_size = compute_moov_size(s);
3797 buf = av_malloc(moov_size * 2);
3799 return AVERROR(ENOMEM);
3801 read_buf[1] = buf + moov_size;
3803 /* Shift the data: the AVIO context of the output can only be used for
3804 * writing, so we re-open the same output, but for reading. It also avoids
3805 * a read/seek/write/seek back and forth. */
3807 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3809 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3810 "the second pass (faststart)\n", s->filename);
3814 /* mark the end of the shift to up to the last data we wrote, and get ready
3816 pos_end = avio_tell(s->pb);
3817 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3819 /* start reading at where the new moov will be placed */
3820 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3821 pos = avio_tell(read_pb);
3823 #define READ_BLOCK do { \
3824 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3828 /* shift data by chunk of at most moov_size */
3833 n = read_size[read_buf_id];
3836 avio_write(s->pb, read_buf[read_buf_id], n);
3838 } while (pos < pos_end);
3839 avio_close(read_pb);
3846 static int mov_write_trailer(AVFormatContext *s)
3848 MOVMuxContext *mov = s->priv_data;
3849 AVIOContext *pb = s->pb;
3855 * Before actually writing the trailer, make sure that there are no
3856 * dangling subtitles, that need a terminating sample.
3858 for (i = 0; i < mov->nb_streams; i++) {
3859 MOVTrack *trk = &mov->tracks[i];
3860 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3861 !trk->last_sample_is_subtitle_end) {
3862 mov_write_subtitle_end_packet(s, i, trk->track_duration);
3863 trk->last_sample_is_subtitle_end = 1;
3867 moov_pos = avio_tell(pb);
3869 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3870 /* Write size of mdat tag */
3871 if (mov->mdat_size + 8 <= UINT32_MAX) {
3872 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3873 avio_wb32(pb, mov->mdat_size + 8);
3875 /* overwrite 'wide' placeholder atom */
3876 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3877 /* special value: real atom size will be 64 bit value after
3880 ffio_wfourcc(pb, "mdat");
3881 avio_wb64(pb, mov->mdat_size + 16);
3883 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3885 if (mov->reserved_moov_size == -1) {
3886 av_log(s, AV_LOG_INFO, "Starting second pass: moving header on top of the file\n");
3887 res = shift_data(s);
3889 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3890 mov_write_moov_tag(pb, mov, s);
3892 } else if (mov->reserved_moov_size > 0) {
3894 mov_write_moov_tag(pb, mov, s);
3895 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3897 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3900 avio_wb32(pb, size);
3901 ffio_wfourcc(pb, "free");
3902 for(i=0; i<size; i++)
3904 avio_seek(pb, moov_pos, SEEK_SET);
3906 mov_write_moov_tag(pb, mov, s);
3909 mov_flush_fragment(s);
3910 mov_write_mfra_tag(pb, mov);
3913 if (mov->chapter_track)
3914 av_freep(&mov->tracks[mov->chapter_track].enc);
3916 for (i=0; i<mov->nb_streams; i++) {
3917 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3918 ff_mov_close_hinting(&mov->tracks[i]);
3919 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3920 av_freep(&mov->tracks[i].enc);
3921 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3922 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3923 int64_t off = avio_tell(pb);
3925 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3926 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3927 avio_write(pb, buf, 7);
3928 avio_seek(pb, off, SEEK_SET);
3931 av_freep(&mov->tracks[i].cluster);
3932 av_freep(&mov->tracks[i].frag_info);
3934 if (mov->tracks[i].vos_len)
3935 av_free(mov->tracks[i].vos_data);
3939 av_freep(&mov->tracks);
3944 #if CONFIG_MOV_MUXER
3946 AVOutputFormat ff_mov_muxer = {
3948 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3949 .extensions = "mov",
3950 .priv_data_size = sizeof(MOVMuxContext),
3951 .audio_codec = AV_CODEC_ID_AAC,
3952 .video_codec = CONFIG_LIBX264_ENCODER ?
3953 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3954 .write_header = mov_write_header,
3955 .write_packet = mov_write_packet,
3956 .write_trailer = mov_write_trailer,
3957 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3958 .codec_tag = (const AVCodecTag* const []){
3959 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
3961 .priv_class = &mov_muxer_class,
3964 #if CONFIG_TGP_MUXER
3966 AVOutputFormat ff_tgp_muxer = {
3968 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3969 .extensions = "3gp",
3970 .priv_data_size = sizeof(MOVMuxContext),
3971 .audio_codec = AV_CODEC_ID_AMR_NB,
3972 .video_codec = AV_CODEC_ID_H263,
3973 .write_header = mov_write_header,
3974 .write_packet = mov_write_packet,
3975 .write_trailer = mov_write_trailer,
3976 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3977 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3978 .priv_class = &tgp_muxer_class,
3981 #if CONFIG_MP4_MUXER
3983 AVOutputFormat ff_mp4_muxer = {
3985 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3986 .mime_type = "application/mp4",
3987 .extensions = "mp4",
3988 .priv_data_size = sizeof(MOVMuxContext),
3989 .audio_codec = AV_CODEC_ID_AAC,
3990 .video_codec = CONFIG_LIBX264_ENCODER ?
3991 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3992 .write_header = mov_write_header,
3993 .write_packet = mov_write_packet,
3994 .write_trailer = mov_write_trailer,
3995 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
3996 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3997 .priv_class = &mp4_muxer_class,
4000 #if CONFIG_PSP_MUXER
4002 AVOutputFormat ff_psp_muxer = {
4004 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4005 .extensions = "mp4,psp",
4006 .priv_data_size = sizeof(MOVMuxContext),
4007 .audio_codec = AV_CODEC_ID_AAC,
4008 .video_codec = CONFIG_LIBX264_ENCODER ?
4009 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4010 .write_header = mov_write_header,
4011 .write_packet = mov_write_packet,
4012 .write_trailer = mov_write_trailer,
4013 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4014 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4015 .priv_class = &psp_muxer_class,
4018 #if CONFIG_TG2_MUXER
4020 AVOutputFormat ff_tg2_muxer = {
4022 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4023 .extensions = "3g2",
4024 .priv_data_size = sizeof(MOVMuxContext),
4025 .audio_codec = AV_CODEC_ID_AMR_NB,
4026 .video_codec = AV_CODEC_ID_H263,
4027 .write_header = mov_write_header,
4028 .write_packet = mov_write_packet,
4029 .write_trailer = mov_write_trailer,
4030 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4031 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4032 .priv_class = &tg2_muxer_class,
4035 #if CONFIG_IPOD_MUXER
4037 AVOutputFormat ff_ipod_muxer = {
4039 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4040 .mime_type = "application/mp4",
4041 .extensions = "m4v,m4a",
4042 .priv_data_size = sizeof(MOVMuxContext),
4043 .audio_codec = AV_CODEC_ID_AAC,
4044 .video_codec = AV_CODEC_ID_H264,
4045 .write_header = mov_write_header,
4046 .write_packet = mov_write_packet,
4047 .write_trailer = mov_write_trailer,
4048 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4049 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4050 .priv_class = &ipod_muxer_class,
4053 #if CONFIG_ISMV_MUXER
4055 AVOutputFormat ff_ismv_muxer = {
4057 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4058 .mime_type = "application/mp4",
4059 .extensions = "ismv,isma",
4060 .priv_data_size = sizeof(MOVMuxContext),
4061 .audio_codec = AV_CODEC_ID_AAC,
4062 .video_codec = AV_CODEC_ID_H264,
4063 .write_header = mov_write_header,
4064 .write_packet = mov_write_packet,
4065 .write_trailer = mov_write_trailer,
4066 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4067 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4068 .priv_class = &ismv_muxer_class,
4071 #if CONFIG_F4V_MUXER
4073 AVOutputFormat ff_f4v_muxer = {
4075 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4076 .mime_type = "application/f4v",
4077 .extensions = "f4v",
4078 .priv_data_size = sizeof(MOVMuxContext),
4079 .audio_codec = AV_CODEC_ID_AAC,
4080 .video_codec = AV_CODEC_ID_H264,
4081 .write_header = mov_write_header,
4082 .write_packet = mov_write_packet,
4083 .write_trailer = mov_write_trailer,
4084 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4085 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4086 .priv_class = &f4v_muxer_class,