3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of Libav.
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * Libav is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 { "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" },
50 { "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" },
51 { "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" },
52 { "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" },
53 { "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" },
54 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_FASTSTART
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
55 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_OMIT_TFHD_OFFSET
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
56 FF_RTP_FLAG_OPTS(MOVMuxContext
, rtp_flags
),
57 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext
, iods_skip
), AV_OPT_TYPE_INT
, {.i64
= 0}, 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
},
67 #define MOV_CLASS(flavor)\
68 static const AVClass flavor ## _muxer_class = {\
69 .class_name = #flavor " muxer",\
70 .item_name = av_default_item_name,\
72 .version = LIBAVUTIL_VERSION_INT,\
75 //FIXME support 64 bit variant with wide placeholders
76 static int64_t update_size(AVIOContext
*pb
, int64_t pos
)
78 int64_t curpos
= avio_tell(pb
);
79 avio_seek(pb
, pos
, SEEK_SET
);
80 avio_wb32(pb
, curpos
- pos
); /* rewrite size */
81 avio_seek(pb
, curpos
, SEEK_SET
);
86 static int co64_required(const MOVTrack
*track
)
88 if (track
->entry
> 0 && track
->cluster
[track
->entry
- 1].pos
+ track
->data_offset
> UINT32_MAX
)
93 /* Chunk offset atom */
94 static int mov_write_stco_tag(AVIOContext
*pb
, MOVTrack
*track
)
97 int mode64
= co64_required(track
); // use 32 bit size variant if possible
98 int64_t pos
= avio_tell(pb
);
99 avio_wb32(pb
, 0); /* size */
101 ffio_wfourcc(pb
, "co64");
103 ffio_wfourcc(pb
, "stco");
104 avio_wb32(pb
, 0); /* version & flags */
105 avio_wb32(pb
, track
->entry
); /* entry count */
106 for (i
= 0; i
< track
->entry
; i
++) {
108 avio_wb64(pb
, track
->cluster
[i
].pos
+ track
->data_offset
);
110 avio_wb32(pb
, track
->cluster
[i
].pos
+ track
->data_offset
);
112 return update_size(pb
, pos
);
115 /* Sample size atom */
116 static int mov_write_stsz_tag(AVIOContext
*pb
, MOVTrack
*track
)
119 int i
, j
, entries
= 0, tst
= -1, oldtst
= -1;
121 int64_t pos
= avio_tell(pb
);
122 avio_wb32(pb
, 0); /* size */
123 ffio_wfourcc(pb
, "stsz");
124 avio_wb32(pb
, 0); /* version & flags */
126 for (i
= 0; i
< track
->entry
; i
++) {
127 tst
= track
->cluster
[i
].size
/ track
->cluster
[i
].entries
;
128 if (oldtst
!= -1 && tst
!= oldtst
)
131 entries
+= track
->cluster
[i
].entries
;
133 if (equalChunks
&& track
->entry
) {
134 int sSize
= track
->entry ? track
->cluster
[0].size
/ track
->cluster
[0].entries
: 0;
135 sSize
= FFMAX(1, sSize
); // adpcm mono case could make sSize == 0
136 avio_wb32(pb
, sSize
); // sample size
137 avio_wb32(pb
, entries
); // sample count
139 avio_wb32(pb
, 0); // sample size
140 avio_wb32(pb
, entries
); // sample count
141 for (i
= 0; i
< track
->entry
; i
++) {
142 for (j
= 0; j
< track
->cluster
[i
].entries
; j
++) {
143 avio_wb32(pb
, track
->cluster
[i
].size
/
144 track
->cluster
[i
].entries
);
148 return update_size(pb
, pos
);
151 /* Sample to chunk atom */
152 static int mov_write_stsc_tag(AVIOContext
*pb
, MOVTrack
*track
)
154 int index
= 0, oldval
= -1, i
;
155 int64_t entryPos
, curpos
;
157 int64_t pos
= avio_tell(pb
);
158 avio_wb32(pb
, 0); /* size */
159 ffio_wfourcc(pb
, "stsc");
160 avio_wb32(pb
, 0); // version & flags
161 entryPos
= avio_tell(pb
);
162 avio_wb32(pb
, track
->entry
); // entry count
163 for (i
= 0; i
< track
->entry
; i
++) {
164 if (oldval
!= track
->cluster
[i
].samples_in_chunk
) {
165 avio_wb32(pb
, i
+ 1); // first chunk
166 avio_wb32(pb
, track
->cluster
[i
].samples_in_chunk
); // samples per chunk
167 avio_wb32(pb
, 0x1); // sample description index
168 oldval
= track
->cluster
[i
].samples_in_chunk
;
172 curpos
= avio_tell(pb
);
173 avio_seek(pb
, entryPos
, SEEK_SET
);
174 avio_wb32(pb
, index
); // rewrite size
175 avio_seek(pb
, curpos
, SEEK_SET
);
177 return update_size(pb
, pos
);
180 /* Sync sample atom */
181 static int mov_write_stss_tag(AVIOContext
*pb
, MOVTrack
*track
, uint32_t flag
)
183 int64_t curpos
, entryPos
;
185 int64_t pos
= avio_tell(pb
);
186 avio_wb32(pb
, 0); // size
187 ffio_wfourcc(pb
, flag
== MOV_SYNC_SAMPLE ?
"stss" : "stps");
188 avio_wb32(pb
, 0); // version & flags
189 entryPos
= avio_tell(pb
);
190 avio_wb32(pb
, track
->entry
); // entry count
191 for (i
= 0; i
< track
->entry
; i
++) {
192 if (track
->cluster
[i
].flags
& flag
) {
193 avio_wb32(pb
, i
+ 1);
197 curpos
= avio_tell(pb
);
198 avio_seek(pb
, entryPos
, SEEK_SET
);
199 avio_wb32(pb
, index
); // rewrite size
200 avio_seek(pb
, curpos
, SEEK_SET
);
201 return update_size(pb
, pos
);
204 static int mov_write_amr_tag(AVIOContext
*pb
, MOVTrack
*track
)
206 avio_wb32(pb
, 0x11); /* size */
207 if (track
->mode
== MODE_MOV
) ffio_wfourcc(pb
, "samr");
208 else ffio_wfourcc(pb
, "damr");
209 ffio_wfourcc(pb
, "FFMP");
210 avio_w8(pb
, 0); /* decoder version */
212 avio_wb16(pb
, 0x81FF); /* Mode set (all modes for AMR_NB) */
213 avio_w8(pb
, 0x00); /* Mode change period (no restriction) */
214 avio_w8(pb
, 0x01); /* Frames per sample */
218 static int mov_write_ac3_tag(AVIOContext
*pb
, MOVTrack
*track
)
223 int fscod
, bsid
, bsmod
, acmod
, lfeon
, frmsizecod
;
225 if (track
->vos_len
< 7)
229 ffio_wfourcc(pb
, "dac3");
231 init_get_bits(&gbc
, track
->vos_data
+ 4, (track
->vos_len
- 4) * 8);
232 fscod
= get_bits(&gbc
, 2);
233 frmsizecod
= get_bits(&gbc
, 6);
234 bsid
= get_bits(&gbc
, 5);
235 bsmod
= get_bits(&gbc
, 3);
236 acmod
= get_bits(&gbc
, 3);
238 skip_bits(&gbc
, 2); // dsurmod
240 if ((acmod
& 1) && acmod
!= 1)
241 skip_bits(&gbc
, 2); // cmixlev
243 skip_bits(&gbc
, 2); // surmixlev
245 lfeon
= get_bits1(&gbc
);
247 init_put_bits(&pbc
, buf
, sizeof(buf
));
248 put_bits(&pbc
, 2, fscod
);
249 put_bits(&pbc
, 5, bsid
);
250 put_bits(&pbc
, 3, bsmod
);
251 put_bits(&pbc
, 3, acmod
);
252 put_bits(&pbc
, 1, lfeon
);
253 put_bits(&pbc
, 5, frmsizecod
>> 1); // bit_rate_code
254 put_bits(&pbc
, 5, 0); // reserved
256 flush_put_bits(&pbc
);
257 avio_write(pb
, buf
, sizeof(buf
));
263 * This function writes extradata "as is".
264 * Extradata must be formatted like a valid atom (with size and tag).
266 static int mov_write_extradata_tag(AVIOContext
*pb
, MOVTrack
*track
)
268 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
269 return track
->enc
->extradata_size
;
272 static void put_descr(AVIOContext
*pb
, int tag
, unsigned int size
)
277 avio_w8(pb
, (size
>> (7 * i
)) | 0x80);
278 avio_w8(pb
, size
& 0x7F);
281 static int mov_write_esds_tag(AVIOContext
*pb
, MOVTrack
*track
) // Basic
283 int64_t pos
= avio_tell(pb
);
284 int decoder_specific_info_len
= track
->vos_len ?
5 + track
->vos_len
: 0;
286 avio_wb32(pb
, 0); // size
287 ffio_wfourcc(pb
, "esds");
288 avio_wb32(pb
, 0); // Version
291 put_descr(pb
, 0x03, 3 + 5+13 + decoder_specific_info_len
+ 5+1);
292 avio_wb16(pb
, track
->track_id
);
293 avio_w8(pb
, 0x00); // flags (= no flags)
295 // DecoderConfig descriptor
296 put_descr(pb
, 0x04, 13 + decoder_specific_info_len
);
298 // Object type indication
299 if ((track
->enc
->codec_id
== AV_CODEC_ID_MP2
||
300 track
->enc
->codec_id
== AV_CODEC_ID_MP3
) &&
301 track
->enc
->sample_rate
> 24000)
302 avio_w8(pb
, 0x6B); // 11172-3
304 avio_w8(pb
, ff_codec_get_tag(ff_mp4_obj_type
, track
->enc
->codec_id
));
306 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
307 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
308 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
309 avio_w8(pb
, 0x15); // flags (= Audiostream)
311 avio_w8(pb
, 0x11); // flags (= Visualstream)
313 avio_wb24(pb
, track
->enc
->rc_buffer_size
>> 3); // Buffersize DB
315 avio_wb32(pb
, FFMAX(track
->enc
->bit_rate
, track
->enc
->rc_max_rate
)); // maxbitrate (FIXME should be max rate in any 1 sec window)
316 if (track
->enc
->rc_max_rate
!= track
->enc
->rc_min_rate
||
317 track
->enc
->rc_min_rate
== 0)
318 avio_wb32(pb
, 0); // vbr
320 avio_wb32(pb
, track
->enc
->rc_max_rate
); // avg bitrate
322 if (track
->vos_len
) {
323 // DecoderSpecific info descriptor
324 put_descr(pb
, 0x05, track
->vos_len
);
325 avio_write(pb
, track
->vos_data
, track
->vos_len
);
329 put_descr(pb
, 0x06, 1);
331 return update_size(pb
, pos
);
334 static int mov_write_ms_tag(AVIOContext
*pb
, MOVTrack
*track
)
336 int64_t pos
= avio_tell(pb
);
338 avio_wl32(pb
, track
->tag
); // store it byteswapped
339 track
->enc
->codec_tag
= av_bswap16(track
->tag
>> 16);
340 ff_put_wav_header(pb
, track
->enc
);
341 return update_size(pb
, pos
);
344 static int mov_write_wfex_tag(AVIOContext
*pb
, MOVTrack
*track
)
346 int64_t pos
= avio_tell(pb
);
348 ffio_wfourcc(pb
, "wfex");
349 ff_put_wav_header(pb
, track
->enc
);
350 return update_size(pb
, pos
);
353 static int mov_write_chan_tag(AVIOContext
*pb
, MOVTrack
*track
)
355 uint32_t layout_tag
, bitmap
;
356 int64_t pos
= avio_tell(pb
);
358 layout_tag
= ff_mov_get_channel_layout_tag(track
->enc
->codec_id
,
359 track
->enc
->channel_layout
,
362 av_log(track
->enc
, AV_LOG_WARNING
, "not writing 'chan' tag due to "
363 "lack of channel information\n");
367 avio_wb32(pb
, 0); // Size
368 ffio_wfourcc(pb
, "chan"); // Type
369 avio_w8(pb
, 0); // Version
370 avio_wb24(pb
, 0); // Flags
371 avio_wb32(pb
, layout_tag
); // mChannelLayoutTag
372 avio_wb32(pb
, bitmap
); // mChannelBitmap
373 avio_wb32(pb
, 0); // mNumberChannelDescriptions
375 return update_size(pb
, pos
);
378 static int mov_write_wave_tag(AVIOContext
*pb
, MOVTrack
*track
)
380 int64_t pos
= avio_tell(pb
);
382 avio_wb32(pb
, 0); /* size */
383 ffio_wfourcc(pb
, "wave");
385 avio_wb32(pb
, 12); /* size */
386 ffio_wfourcc(pb
, "frma");
387 avio_wl32(pb
, track
->tag
);
389 if (track
->enc
->codec_id
== AV_CODEC_ID_AAC
) {
390 /* useless atom needed by mplayer, ipod, not needed by quicktime */
391 avio_wb32(pb
, 12); /* size */
392 ffio_wfourcc(pb
, "mp4a");
394 mov_write_esds_tag(pb
, track
);
395 } else if (track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
) {
396 mov_write_amr_tag(pb
, track
);
397 } else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
) {
398 mov_write_ac3_tag(pb
, track
);
399 } else if (track
->enc
->codec_id
== AV_CODEC_ID_ALAC
) {
400 mov_write_extradata_tag(pb
, track
);
401 } else if (track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
402 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
) {
403 mov_write_ms_tag(pb
, track
);
406 avio_wb32(pb
, 8); /* size */
407 avio_wb32(pb
, 0); /* null tag */
409 return update_size(pb
, pos
);
412 static int mov_write_dvc1_structs(MOVTrack
*track
, uint8_t *buf
)
415 const uint8_t *start
, *next
, *end
= track
->vos_data
+ track
->vos_len
;
416 int unescaped_size
, seq_found
= 0;
417 int level
= 0, interlace
= 0;
418 int packet_seq
= track
->vc1_info
.packet_seq
;
419 int packet_entry
= track
->vc1_info
.packet_entry
;
420 int slices
= track
->vc1_info
.slices
;
423 if (track
->start_dts
== AV_NOPTS_VALUE
) {
424 /* No packets written yet, vc1_info isn't authoritative yet. */
425 /* Assume inline sequence and entry headers. This will be
426 * overwritten at the end if the file is seekable. */
427 packet_seq
= packet_entry
= 1;
430 unescaped
= av_mallocz(track
->vos_len
+ FF_INPUT_BUFFER_PADDING_SIZE
);
432 return AVERROR(ENOMEM
);
433 start
= find_next_marker(track
->vos_data
, end
);
434 for (next
= start
; next
< end
; start
= next
) {
437 next
= find_next_marker(start
+ 4, end
);
438 size
= next
- start
- 4;
441 unescaped_size
= vc1_unescape_buffer(start
+ 4, size
, unescaped
);
442 init_get_bits(&gb
, unescaped
, 8 * unescaped_size
);
443 if (AV_RB32(start
) == VC1_CODE_SEQHDR
) {
444 int profile
= get_bits(&gb
, 2);
445 if (profile
!= PROFILE_ADVANCED
) {
447 return AVERROR(ENOSYS
);
450 level
= get_bits(&gb
, 3);
451 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
453 skip_bits_long(&gb
, 2 + 3 + 5 + 1 + 2*12);
454 skip_bits(&gb
, 1); /* broadcast */
455 interlace
= get_bits1(&gb
);
456 skip_bits(&gb
, 4); /* tfcntrflag, finterpflag, reserved, psf */
461 return AVERROR(ENOSYS
);
464 init_put_bits(&pbc
, buf
, 7);
465 /* VC1DecSpecStruc */
466 put_bits(&pbc
, 4, 12); /* profile - advanced */
467 put_bits(&pbc
, 3, level
);
468 put_bits(&pbc
, 1, 0); /* reserved */
469 /* VC1AdvDecSpecStruc */
470 put_bits(&pbc
, 3, level
);
471 put_bits(&pbc
, 1, 0); /* cbr */
472 put_bits(&pbc
, 6, 0); /* reserved */
473 put_bits(&pbc
, 1, !interlace
); /* no interlace */
474 put_bits(&pbc
, 1, !packet_seq
); /* no multiple seq */
475 put_bits(&pbc
, 1, !packet_entry
); /* no multiple entry */
476 put_bits(&pbc
, 1, !slices
); /* no slice code */
477 put_bits(&pbc
, 1, 0); /* no bframe */
478 put_bits(&pbc
, 1, 0); /* reserved */
479 put_bits32(&pbc
, track
->enc
->time_base
.den
); /* framerate */
480 flush_put_bits(&pbc
);
487 static int mov_write_dvc1_tag(AVIOContext
*pb
, MOVTrack
*track
)
489 uint8_t buf
[7] = { 0 };
492 if ((ret
= mov_write_dvc1_structs(track
, buf
)) < 0)
495 avio_wb32(pb
, track
->vos_len
+ 8 + sizeof(buf
));
496 ffio_wfourcc(pb
, "dvc1");
497 track
->vc1_info
.struct_offset
= avio_tell(pb
);
498 avio_write(pb
, buf
, sizeof(buf
));
499 avio_write(pb
, track
->vos_data
, track
->vos_len
);
504 static int mov_write_glbl_tag(AVIOContext
*pb
, MOVTrack
*track
)
506 avio_wb32(pb
, track
->vos_len
+ 8);
507 ffio_wfourcc(pb
, "glbl");
508 avio_write(pb
, track
->vos_data
, track
->vos_len
);
509 return 8 + track
->vos_len
;
513 * Compute flags for 'lpcm' tag.
514 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
516 static int mov_get_lpcm_flags(enum AVCodecID codec_id
)
519 case AV_CODEC_ID_PCM_F32BE
:
520 case AV_CODEC_ID_PCM_F64BE
:
522 case AV_CODEC_ID_PCM_F32LE
:
523 case AV_CODEC_ID_PCM_F64LE
:
525 case AV_CODEC_ID_PCM_U8
:
527 case AV_CODEC_ID_PCM_S16BE
:
528 case AV_CODEC_ID_PCM_S24BE
:
529 case AV_CODEC_ID_PCM_S32BE
:
531 case AV_CODEC_ID_PCM_S8
:
532 case AV_CODEC_ID_PCM_S16LE
:
533 case AV_CODEC_ID_PCM_S24LE
:
534 case AV_CODEC_ID_PCM_S32LE
:
541 static int get_cluster_duration(MOVTrack
*track
, int cluster_idx
)
545 if (cluster_idx
>= track
->entry
)
548 if (cluster_idx
+ 1 == track
->entry
)
549 next_dts
= track
->track_duration
+ track
->start_dts
;
551 next_dts
= track
->cluster
[cluster_idx
+ 1].dts
;
553 return next_dts
- track
->cluster
[cluster_idx
].dts
;
556 static int get_samples_per_packet(MOVTrack
*track
)
558 int i
, first_duration
;
560 /* use 1 for raw PCM */
561 if (!track
->audio_vbr
)
564 /* check to see if duration is constant for all clusters */
567 first_duration
= get_cluster_duration(track
, 0);
568 for (i
= 1; i
< track
->entry
; i
++) {
569 if (get_cluster_duration(track
, i
) != first_duration
)
572 return first_duration
;
575 static int mov_write_audio_tag(AVIOContext
*pb
, MOVTrack
*track
)
577 int64_t pos
= avio_tell(pb
);
579 uint32_t tag
= track
->tag
;
581 if (track
->mode
== MODE_MOV
) {
582 if (mov_get_lpcm_flags(track
->enc
->codec_id
))
583 tag
= AV_RL32("lpcm");
587 avio_wb32(pb
, 0); /* size */
588 avio_wl32(pb
, tag
); // store it byteswapped
589 avio_wb32(pb
, 0); /* Reserved */
590 avio_wb16(pb
, 0); /* Reserved */
591 avio_wb16(pb
, 1); /* Data-reference index, XXX == 1 */
593 /* SoundDescription */
594 avio_wb16(pb
, version
); /* Version */
595 avio_wb16(pb
, 0); /* Revision level */
596 avio_wb32(pb
, 0); /* Reserved */
601 avio_wb16(pb
, 0xfffe);
603 avio_wb32(pb
, 0x00010000);
605 avio_wb64(pb
, av_double2int(track
->enc
->sample_rate
));
606 avio_wb32(pb
, track
->enc
->channels
);
607 avio_wb32(pb
, 0x7F000000);
608 avio_wb32(pb
, av_get_bits_per_sample(track
->enc
->codec_id
));
609 avio_wb32(pb
, mov_get_lpcm_flags(track
->enc
->codec_id
));
610 avio_wb32(pb
, track
->sample_size
);
611 avio_wb32(pb
, get_samples_per_packet(track
));
613 /* reserved for mp4/3gp */
618 avio_wb16(pb
, 0); /* packet size (= 0) */
619 avio_wb16(pb
, track
->enc
->sample_rate
<= UINT16_MAX ?
620 track
->enc
->sample_rate
: 0);
621 avio_wb16(pb
, 0); /* Reserved */
624 if (track
->mode
== MODE_MOV
&&
625 (track
->enc
->codec_id
== AV_CODEC_ID_AAC
||
626 track
->enc
->codec_id
== AV_CODEC_ID_AC3
||
627 track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
||
628 track
->enc
->codec_id
== AV_CODEC_ID_ALAC
||
629 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
630 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
))
631 mov_write_wave_tag(pb
, track
);
632 else if (track
->tag
== MKTAG('m','p','4','a'))
633 mov_write_esds_tag(pb
, track
);
634 else if (track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
)
635 mov_write_amr_tag(pb
, track
);
636 else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
)
637 mov_write_ac3_tag(pb
, track
);
638 else if (track
->enc
->codec_id
== AV_CODEC_ID_ALAC
)
639 mov_write_extradata_tag(pb
, track
);
640 else if (track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
)
641 mov_write_wfex_tag(pb
, track
);
642 else if (track
->vos_len
> 0)
643 mov_write_glbl_tag(pb
, track
);
645 if (track
->mode
== MODE_MOV
&& track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
646 mov_write_chan_tag(pb
, track
);
648 return update_size(pb
, pos
);
651 static int mov_write_d263_tag(AVIOContext
*pb
)
653 avio_wb32(pb
, 0xf); /* size */
654 ffio_wfourcc(pb
, "d263");
655 ffio_wfourcc(pb
, "FFMP");
656 avio_w8(pb
, 0); /* decoder version */
657 /* FIXME use AVCodecContext level/profile, when encoder will set values */
658 avio_w8(pb
, 0xa); /* level */
659 avio_w8(pb
, 0); /* profile */
663 /* TODO: No idea about these values */
664 static int mov_write_svq3_tag(AVIOContext
*pb
)
667 ffio_wfourcc(pb
, "SMI ");
668 ffio_wfourcc(pb
, "SEQH");
670 avio_wb32(pb
, 0xe2c0211d);
671 avio_wb32(pb
, 0xc0000000);
676 static int mov_write_avcc_tag(AVIOContext
*pb
, MOVTrack
*track
)
678 int64_t pos
= avio_tell(pb
);
681 ffio_wfourcc(pb
, "avcC");
682 ff_isom_write_avcc(pb
, track
->vos_data
, track
->vos_len
);
683 return update_size(pb
, pos
);
686 /* also used by all avid codecs (dv, imx, meridien) and their variants */
687 static int mov_write_avid_tag(AVIOContext
*pb
, MOVTrack
*track
)
690 avio_wb32(pb
, 24); /* size */
691 ffio_wfourcc(pb
, "ACLR");
692 ffio_wfourcc(pb
, "ACLR");
693 ffio_wfourcc(pb
, "0001");
694 avio_wb32(pb
, 2); /* yuv range: full 1 / normal 2 */
695 avio_wb32(pb
, 0); /* unknown */
697 avio_wb32(pb
, 24); /* size */
698 ffio_wfourcc(pb
, "APRG");
699 ffio_wfourcc(pb
, "APRG");
700 ffio_wfourcc(pb
, "0001");
701 avio_wb32(pb
, 1); /* unknown */
702 avio_wb32(pb
, 0); /* unknown */
704 avio_wb32(pb
, 120); /* size */
705 ffio_wfourcc(pb
, "ARES");
706 ffio_wfourcc(pb
, "ARES");
707 ffio_wfourcc(pb
, "0001");
708 avio_wb32(pb
, AV_RB32(track
->vos_data
+ 0x28)); /* dnxhd cid, some id ? */
709 avio_wb32(pb
, track
->enc
->width
);
710 /* values below are based on samples created with quicktime and avid codecs */
711 if (track
->vos_data
[5] & 2) { // interlaced
712 avio_wb32(pb
, track
->enc
->height
/ 2);
713 avio_wb32(pb
, 2); /* unknown */
714 avio_wb32(pb
, 0); /* unknown */
715 avio_wb32(pb
, 4); /* unknown */
717 avio_wb32(pb
, track
->enc
->height
);
718 avio_wb32(pb
, 1); /* unknown */
719 avio_wb32(pb
, 0); /* unknown */
720 if (track
->enc
->height
== 1080)
721 avio_wb32(pb
, 5); /* unknown */
723 avio_wb32(pb
, 6); /* unknown */
726 for (i
= 0; i
< 10; i
++)
729 /* extra padding for stsd needed */
734 static int mp4_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
736 int tag
= track
->enc
->codec_tag
;
738 if (!ff_codec_get_tag(ff_mp4_obj_type
, track
->enc
->codec_id
))
741 if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) tag
= MKTAG('a','v','c','1');
742 else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
) tag
= MKTAG('a','c','-','3');
743 else if (track
->enc
->codec_id
== AV_CODEC_ID_DIRAC
) tag
= MKTAG('d','r','a','c');
744 else if (track
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
) tag
= MKTAG('t','x','3','g');
745 else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
) tag
= MKTAG('v','c','-','1');
746 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) tag
= MKTAG('m','p','4','v');
747 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) tag
= MKTAG('m','p','4','a');
752 static const AVCodecTag codec_ipod_tags
[] = {
753 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
754 { AV_CODEC_ID_MPEG4
, MKTAG('m','p','4','v') },
755 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
756 { AV_CODEC_ID_ALAC
, MKTAG('a','l','a','c') },
757 { AV_CODEC_ID_AC3
, MKTAG('a','c','-','3') },
758 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','x','3','g') },
759 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','e','x','t') },
760 { AV_CODEC_ID_NONE
, 0 },
763 static int ipod_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
765 int tag
= track
->enc
->codec_tag
;
767 // keep original tag for subs, ipod supports both formats
768 if (!(track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
&&
769 (tag
== MKTAG('t', 'x', '3', 'g') ||
770 tag
== MKTAG('t', 'e', 'x', 't'))))
771 tag
= ff_codec_get_tag(codec_ipod_tags
, track
->enc
->codec_id
);
773 if (!av_match_ext(s
->filename
, "m4a") && !av_match_ext(s
->filename
, "m4v"))
774 av_log(s
, AV_LOG_WARNING
, "Warning, extension is not .m4a nor .m4v "
775 "Quicktime/Ipod might not play the file\n");
780 static int mov_get_dv_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
784 if (track
->enc
->width
== 720) /* SD */
785 if (track
->enc
->height
== 480) /* NTSC */
786 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) tag
= MKTAG('d','v','5','n');
787 else tag
= MKTAG('d','v','c',' ');
788 else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) tag
= MKTAG('d','v','5','p');
789 else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV420P
) tag
= MKTAG('d','v','c','p');
790 else tag
= MKTAG('d','v','p','p');
791 else if (track
->enc
->height
== 720) /* HD 720 line */
792 if (track
->enc
->time_base
.den
== 50) tag
= MKTAG('d','v','h','q');
793 else tag
= MKTAG('d','v','h','p');
794 else if (track
->enc
->height
== 1080) /* HD 1080 line */
795 if (track
->enc
->time_base
.den
== 25) tag
= MKTAG('d','v','h','5');
796 else tag
= MKTAG('d','v','h','6');
798 av_log(s
, AV_LOG_ERROR
, "unsupported height for dv codec\n");
805 static const struct {
806 enum AVPixelFormat pix_fmt
;
809 } mov_pix_fmt_tags
[] = {
810 { AV_PIX_FMT_YUYV422
, MKTAG('y','u','v','s'), 0 },
811 { AV_PIX_FMT_UYVY422
, MKTAG('2','v','u','y'), 0 },
812 { AV_PIX_FMT_RGB555BE
,MKTAG('r','a','w',' '), 16 },
813 { AV_PIX_FMT_RGB555LE
,MKTAG('L','5','5','5'), 16 },
814 { AV_PIX_FMT_RGB565LE
,MKTAG('L','5','6','5'), 16 },
815 { AV_PIX_FMT_RGB565BE
,MKTAG('B','5','6','5'), 16 },
816 { AV_PIX_FMT_GRAY16BE
,MKTAG('b','1','6','g'), 16 },
817 { AV_PIX_FMT_RGB24
, MKTAG('r','a','w',' '), 24 },
818 { AV_PIX_FMT_BGR24
, MKTAG('2','4','B','G'), 24 },
819 { AV_PIX_FMT_ARGB
, MKTAG('r','a','w',' '), 32 },
820 { AV_PIX_FMT_BGRA
, MKTAG('B','G','R','A'), 32 },
821 { AV_PIX_FMT_RGBA
, MKTAG('R','G','B','A'), 32 },
822 { AV_PIX_FMT_ABGR
, MKTAG('A','B','G','R'), 32 },
823 { AV_PIX_FMT_RGB48BE
, MKTAG('b','4','8','r'), 48 },
826 static int mov_get_rawvideo_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
828 int tag
= track
->enc
->codec_tag
;
831 for (i
= 0; i
< FF_ARRAY_ELEMS(mov_pix_fmt_tags
); i
++) {
832 if (track
->enc
->pix_fmt
== mov_pix_fmt_tags
[i
].pix_fmt
) {
833 tag
= mov_pix_fmt_tags
[i
].tag
;
834 track
->enc
->bits_per_coded_sample
= mov_pix_fmt_tags
[i
].bps
;
842 static int mov_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
844 int tag
= track
->enc
->codec_tag
;
846 if (!tag
|| (track
->enc
->strict_std_compliance
>= FF_COMPLIANCE_NORMAL
&&
847 (track
->enc
->codec_id
== AV_CODEC_ID_DVVIDEO
||
848 track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
||
849 track
->enc
->codec_id
== AV_CODEC_ID_H263
||
850 av_get_bits_per_sample(track
->enc
->codec_id
)))) { // pcm audio
851 if (track
->enc
->codec_id
== AV_CODEC_ID_DVVIDEO
)
852 tag
= mov_get_dv_codec_tag(s
, track
);
853 else if (track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
)
854 tag
= mov_get_rawvideo_codec_tag(s
, track
);
855 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
856 tag
= ff_codec_get_tag(ff_codec_movvideo_tags
, track
->enc
->codec_id
);
857 if (!tag
) { // if no mac fcc found, try with Microsoft tags
858 tag
= ff_codec_get_tag(ff_codec_bmp_tags
, track
->enc
->codec_id
);
860 av_log(s
, AV_LOG_WARNING
, "Using MS style video codec tag, "
861 "the file may be unplayable!\n");
863 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
864 tag
= ff_codec_get_tag(ff_codec_movaudio_tags
, track
->enc
->codec_id
);
865 if (!tag
) { // if no mac fcc found, try with Microsoft tags
866 int ms_tag
= ff_codec_get_tag(ff_codec_wav_tags
, track
->enc
->codec_id
);
868 tag
= MKTAG('m', 's', ((ms_tag
>> 8) & 0xff), (ms_tag
& 0xff));
869 av_log(s
, AV_LOG_WARNING
, "Using MS style audio codec tag, "
870 "the file may be unplayable!\n");
873 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)
874 tag
= ff_codec_get_tag(ff_codec_movsubtitle_tags
, track
->enc
->codec_id
);
880 static const AVCodecTag codec_3gp_tags
[] = {
881 { AV_CODEC_ID_H263
, MKTAG('s','2','6','3') },
882 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
883 { AV_CODEC_ID_MPEG4
, MKTAG('m','p','4','v') },
884 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
885 { AV_CODEC_ID_AMR_NB
, MKTAG('s','a','m','r') },
886 { AV_CODEC_ID_AMR_WB
, MKTAG('s','a','w','b') },
887 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','x','3','g') },
888 { AV_CODEC_ID_NONE
, 0 },
891 static const AVCodecTag codec_f4v_tags
[] = {
892 { AV_CODEC_ID_MP3
, MKTAG('.','m','p','3') },
893 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
894 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
895 { AV_CODEC_ID_VP6A
, MKTAG('V','P','6','A') },
896 { AV_CODEC_ID_VP6F
, MKTAG('V','P','6','F') },
897 { AV_CODEC_ID_NONE
, 0 },
900 static int mov_find_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
904 if (track
->mode
== MODE_MP4
|| track
->mode
== MODE_PSP
)
905 tag
= mp4_get_codec_tag(s
, track
);
906 else if (track
->mode
== MODE_ISM
) {
907 tag
= mp4_get_codec_tag(s
, track
);
908 if (!tag
&& track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
)
909 tag
= MKTAG('w', 'm', 'a', ' ');
910 } else if (track
->mode
== MODE_IPOD
)
911 tag
= ipod_get_codec_tag(s
, track
);
912 else if (track
->mode
& MODE_3GP
)
913 tag
= ff_codec_get_tag(codec_3gp_tags
, track
->enc
->codec_id
);
914 else if (track
->mode
== MODE_F4V
)
915 tag
= ff_codec_get_tag(codec_f4v_tags
, track
->enc
->codec_id
);
917 tag
= mov_get_codec_tag(s
, track
);
923 * Needed to make file play in iPods running newest firmware
924 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
926 static int mov_write_uuid_tag_ipod(AVIOContext
*pb
)
929 ffio_wfourcc(pb
, "uuid");
930 avio_wb32(pb
, 0x6b6840f2);
931 avio_wb32(pb
, 0x5f244fc5);
932 avio_wb32(pb
, 0xba39a51b);
933 avio_wb32(pb
, 0xcf0323f3);
938 static const uint16_t fiel_data
[] = {
939 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
942 static int mov_write_fiel_tag(AVIOContext
*pb
, MOVTrack
*track
)
944 unsigned mov_field_order
= 0;
945 if (track
->enc
->field_order
< FF_ARRAY_ELEMS(fiel_data
))
946 mov_field_order
= fiel_data
[track
->enc
->field_order
];
950 ffio_wfourcc(pb
, "fiel");
951 avio_wb16(pb
, mov_field_order
);
955 static int mov_write_subtitle_tag(AVIOContext
*pb
, MOVTrack
*track
)
957 int64_t pos
= avio_tell(pb
);
958 avio_wb32(pb
, 0); /* size */
959 avio_wl32(pb
, track
->tag
); // store it byteswapped
960 avio_wb32(pb
, 0); /* Reserved */
961 avio_wb16(pb
, 0); /* Reserved */
962 avio_wb16(pb
, 1); /* Data-reference index */
964 if (track
->enc
->extradata_size
)
965 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
967 return update_size(pb
, pos
);
970 static int mov_write_pasp_tag(AVIOContext
*pb
, MOVTrack
*track
)
973 av_reduce(&sar
.num
, &sar
.den
, track
->enc
->sample_aspect_ratio
.num
,
974 track
->enc
->sample_aspect_ratio
.den
, INT_MAX
);
977 ffio_wfourcc(pb
, "pasp");
978 avio_wb32(pb
, sar
.num
);
979 avio_wb32(pb
, sar
.den
);
983 static int mov_write_video_tag(AVIOContext
*pb
, MOVTrack
*track
)
985 int64_t pos
= avio_tell(pb
);
986 char compressor_name
[32] = { 0 };
988 avio_wb32(pb
, 0); /* size */
989 avio_wl32(pb
, track
->tag
); // store it byteswapped
990 avio_wb32(pb
, 0); /* Reserved */
991 avio_wb16(pb
, 0); /* Reserved */
992 avio_wb16(pb
, 1); /* Data-reference index */
994 avio_wb16(pb
, 0); /* Codec stream version */
995 avio_wb16(pb
, 0); /* Codec stream revision (=0) */
996 if (track
->mode
== MODE_MOV
) {
997 ffio_wfourcc(pb
, "FFMP"); /* Vendor */
998 if (track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
) {
999 avio_wb32(pb
, 0); /* Temporal Quality */
1000 avio_wb32(pb
, 0x400); /* Spatial Quality = lossless*/
1002 avio_wb32(pb
, 0x200); /* Temporal Quality = normal */
1003 avio_wb32(pb
, 0x200); /* Spatial Quality = normal */
1006 avio_wb32(pb
, 0); /* Reserved */
1007 avio_wb32(pb
, 0); /* Reserved */
1008 avio_wb32(pb
, 0); /* Reserved */
1010 avio_wb16(pb
, track
->enc
->width
); /* Video width */
1011 avio_wb16(pb
, track
->height
); /* Video height */
1012 avio_wb32(pb
, 0x00480000); /* Horizontal resolution 72dpi */
1013 avio_wb32(pb
, 0x00480000); /* Vertical resolution 72dpi */
1014 avio_wb32(pb
, 0); /* Data size (= 0) */
1015 avio_wb16(pb
, 1); /* Frame count (= 1) */
1017 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1018 if (track
->mode
== MODE_MOV
&& track
->enc
->codec
&& track
->enc
->codec
->name
)
1019 av_strlcpy(compressor_name
, track
->enc
->codec
->name
, 32);
1020 avio_w8(pb
, strlen(compressor_name
));
1021 avio_write(pb
, compressor_name
, 31);
1023 if (track
->mode
== MODE_MOV
&& track
->enc
->bits_per_coded_sample
)
1024 avio_wb16(pb
, track
->enc
->bits_per_coded_sample
);
1026 avio_wb16(pb
, 0x18); /* Reserved */
1027 avio_wb16(pb
, 0xffff); /* Reserved */
1028 if (track
->tag
== MKTAG('m','p','4','v'))
1029 mov_write_esds_tag(pb
, track
);
1030 else if (track
->enc
->codec_id
== AV_CODEC_ID_H263
)
1031 mov_write_d263_tag(pb
);
1032 else if (track
->enc
->codec_id
== AV_CODEC_ID_SVQ3
)
1033 mov_write_svq3_tag(pb
);
1034 else if (track
->enc
->codec_id
== AV_CODEC_ID_DNXHD
)
1035 mov_write_avid_tag(pb
, track
);
1036 else if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) {
1037 mov_write_avcc_tag(pb
, track
);
1038 if (track
->mode
== MODE_IPOD
)
1039 mov_write_uuid_tag_ipod(pb
);
1040 } else if (track
->enc
->field_order
!= AV_FIELD_UNKNOWN
)
1041 mov_write_fiel_tag(pb
, track
);
1042 else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
&& track
->vos_len
> 0)
1043 mov_write_dvc1_tag(pb
, track
);
1044 else if (track
->enc
->codec_id
== AV_CODEC_ID_VP6F
||
1045 track
->enc
->codec_id
== AV_CODEC_ID_VP6A
) {
1046 /* Don't write any potential extradata here - the cropping
1047 * is signalled via the normal width/height fields. */
1048 } else if (track
->vos_len
> 0)
1049 mov_write_glbl_tag(pb
, track
);
1051 if (track
->enc
->sample_aspect_ratio
.den
&& track
->enc
->sample_aspect_ratio
.num
&&
1052 track
->enc
->sample_aspect_ratio
.den
!= track
->enc
->sample_aspect_ratio
.num
) {
1053 mov_write_pasp_tag(pb
, track
);
1056 return update_size(pb
, pos
);
1059 static int mov_write_rtp_tag(AVIOContext
*pb
, MOVTrack
*track
)
1061 int64_t pos
= avio_tell(pb
);
1062 avio_wb32(pb
, 0); /* size */
1063 ffio_wfourcc(pb
, "rtp ");
1064 avio_wb32(pb
, 0); /* Reserved */
1065 avio_wb16(pb
, 0); /* Reserved */
1066 avio_wb16(pb
, 1); /* Data-reference index */
1068 avio_wb16(pb
, 1); /* Hint track version */
1069 avio_wb16(pb
, 1); /* Highest compatible version */
1070 avio_wb32(pb
, track
->max_packet_size
); /* Max packet size */
1072 avio_wb32(pb
, 12); /* size */
1073 ffio_wfourcc(pb
, "tims");
1074 avio_wb32(pb
, track
->timescale
);
1076 return update_size(pb
, pos
);
1079 static int mov_write_tmcd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1081 int64_t pos
= avio_tell(pb
);
1083 avio_wb32(pb
, 0); /* size */
1084 ffio_wfourcc(pb
, "tmcd"); /* Data format */
1085 avio_wb32(pb
, 0); /* Reserved */
1086 avio_wb32(pb
, 1); /* Data reference index */
1087 if (track
->enc
->extradata_size
)
1088 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
1089 return update_size(pb
, pos
);
1092 static int mov_write_stsd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1094 int64_t pos
= avio_tell(pb
);
1095 avio_wb32(pb
, 0); /* size */
1096 ffio_wfourcc(pb
, "stsd");
1097 avio_wb32(pb
, 0); /* version & flags */
1098 avio_wb32(pb
, 1); /* entry count */
1099 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
1100 mov_write_video_tag(pb
, track
);
1101 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1102 mov_write_audio_tag(pb
, track
);
1103 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)
1104 mov_write_subtitle_tag(pb
, track
);
1105 else if (track
->enc
->codec_tag
== MKTAG('r','t','p',' '))
1106 mov_write_rtp_tag(pb
, track
);
1107 else if (track
->enc
->codec_tag
== MKTAG('t','m','c','d'))
1108 mov_write_tmcd_tag(pb
, track
);
1109 return update_size(pb
, pos
);
1112 static int mov_write_ctts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1114 MOVStts
*ctts_entries
;
1115 uint32_t entries
= 0;
1119 ctts_entries
= av_malloc((track
->entry
+ 1) * sizeof(*ctts_entries
)); /* worst case */
1120 ctts_entries
[0].count
= 1;
1121 ctts_entries
[0].duration
= track
->cluster
[0].cts
;
1122 for (i
= 1; i
< track
->entry
; i
++) {
1123 if (track
->cluster
[i
].cts
== ctts_entries
[entries
].duration
) {
1124 ctts_entries
[entries
].count
++; /* compress */
1127 ctts_entries
[entries
].duration
= track
->cluster
[i
].cts
;
1128 ctts_entries
[entries
].count
= 1;
1131 entries
++; /* last one */
1132 atom_size
= 16 + (entries
* 8);
1133 avio_wb32(pb
, atom_size
); /* size */
1134 ffio_wfourcc(pb
, "ctts");
1135 avio_wb32(pb
, 0); /* version & flags */
1136 avio_wb32(pb
, entries
); /* entry count */
1137 for (i
= 0; i
< entries
; i
++) {
1138 avio_wb32(pb
, ctts_entries
[i
].count
);
1139 avio_wb32(pb
, ctts_entries
[i
].duration
);
1141 av_free(ctts_entries
);
1145 /* Time to sample atom */
1146 static int mov_write_stts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1148 MOVStts
*stts_entries
;
1149 uint32_t entries
= -1;
1153 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
&& !track
->audio_vbr
) {
1154 stts_entries
= av_malloc(sizeof(*stts_entries
)); /* one entry */
1155 stts_entries
[0].count
= track
->sample_count
;
1156 stts_entries
[0].duration
= 1;
1159 stts_entries
= track
->entry ?
1160 av_malloc(track
->entry
* sizeof(*stts_entries
)) : /* worst case */
1162 for (i
= 0; i
< track
->entry
; i
++) {
1163 int duration
= get_cluster_duration(track
, i
);
1164 if (i
&& duration
== stts_entries
[entries
].duration
) {
1165 stts_entries
[entries
].count
++; /* compress */
1168 stts_entries
[entries
].duration
= duration
;
1169 stts_entries
[entries
].count
= 1;
1172 entries
++; /* last one */
1174 atom_size
= 16 + (entries
* 8);
1175 avio_wb32(pb
, atom_size
); /* size */
1176 ffio_wfourcc(pb
, "stts");
1177 avio_wb32(pb
, 0); /* version & flags */
1178 avio_wb32(pb
, entries
); /* entry count */
1179 for (i
= 0; i
< entries
; i
++) {
1180 avio_wb32(pb
, stts_entries
[i
].count
);
1181 avio_wb32(pb
, stts_entries
[i
].duration
);
1183 av_free(stts_entries
);
1187 static int mov_write_dref_tag(AVIOContext
*pb
)
1189 avio_wb32(pb
, 28); /* size */
1190 ffio_wfourcc(pb
, "dref");
1191 avio_wb32(pb
, 0); /* version & flags */
1192 avio_wb32(pb
, 1); /* entry count */
1194 avio_wb32(pb
, 0xc); /* size */
1195 ffio_wfourcc(pb
, "url ");
1196 avio_wb32(pb
, 1); /* version & flags */
1201 static int mov_write_stbl_tag(AVIOContext
*pb
, MOVTrack
*track
)
1203 int64_t pos
= avio_tell(pb
);
1204 avio_wb32(pb
, 0); /* size */
1205 ffio_wfourcc(pb
, "stbl");
1206 mov_write_stsd_tag(pb
, track
);
1207 mov_write_stts_tag(pb
, track
);
1208 if ((track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
1209 track
->enc
->codec_tag
== MKTAG('r','t','p',' ')) &&
1210 track
->has_keyframes
&& track
->has_keyframes
< track
->entry
)
1211 mov_write_stss_tag(pb
, track
, MOV_SYNC_SAMPLE
);
1212 if (track
->mode
== MODE_MOV
&& track
->flags
& MOV_TRACK_STPS
)
1213 mov_write_stss_tag(pb
, track
, MOV_PARTIAL_SYNC_SAMPLE
);
1214 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
1215 track
->flags
& MOV_TRACK_CTTS
)
1216 mov_write_ctts_tag(pb
, track
);
1217 mov_write_stsc_tag(pb
, track
);
1218 mov_write_stsz_tag(pb
, track
);
1219 mov_write_stco_tag(pb
, track
);
1220 return update_size(pb
, pos
);
1223 static int mov_write_dinf_tag(AVIOContext
*pb
)
1225 int64_t pos
= avio_tell(pb
);
1226 avio_wb32(pb
, 0); /* size */
1227 ffio_wfourcc(pb
, "dinf");
1228 mov_write_dref_tag(pb
);
1229 return update_size(pb
, pos
);
1232 static int mov_write_nmhd_tag(AVIOContext
*pb
)
1235 ffio_wfourcc(pb
, "nmhd");
1240 static int mov_write_gmhd_tag(AVIOContext
*pb
)
1242 avio_wb32(pb
, 0x20); /* size */
1243 ffio_wfourcc(pb
, "gmhd");
1244 avio_wb32(pb
, 0x18); /* gmin size */
1245 ffio_wfourcc(pb
, "gmin");/* generic media info */
1246 avio_wb32(pb
, 0); /* version & flags */
1247 avio_wb16(pb
, 0x40); /* graphics mode = */
1248 avio_wb16(pb
, 0x8000); /* opColor (r?) */
1249 avio_wb16(pb
, 0x8000); /* opColor (g?) */
1250 avio_wb16(pb
, 0x8000); /* opColor (b?) */
1251 avio_wb16(pb
, 0); /* balance */
1252 avio_wb16(pb
, 0); /* reserved */
1256 static int mov_write_smhd_tag(AVIOContext
*pb
)
1258 avio_wb32(pb
, 16); /* size */
1259 ffio_wfourcc(pb
, "smhd");
1260 avio_wb32(pb
, 0); /* version & flags */
1261 avio_wb16(pb
, 0); /* reserved (balance, normally = 0) */
1262 avio_wb16(pb
, 0); /* reserved */
1266 static int mov_write_vmhd_tag(AVIOContext
*pb
)
1268 avio_wb32(pb
, 0x14); /* size (always 0x14) */
1269 ffio_wfourcc(pb
, "vmhd");
1270 avio_wb32(pb
, 0x01); /* version & flags */
1271 avio_wb64(pb
, 0); /* reserved (graphics mode = copy) */
1275 static int mov_write_hdlr_tag(AVIOContext
*pb
, MOVTrack
*track
)
1277 const char *hdlr
, *descr
= NULL
, *hdlr_type
= NULL
;
1278 int64_t pos
= avio_tell(pb
);
1282 descr
= "DataHandler";
1285 hdlr
= (track
->mode
== MODE_MOV
) ?
"mhlr" : "\0\0\0\0";
1286 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1288 descr
= "VideoHandler";
1289 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1291 descr
= "SoundHandler";
1292 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
1293 if (track
->tag
== MKTAG('t','x','3','g')) hdlr_type
= "sbtl";
1294 else hdlr_type
= "text";
1295 descr
= "SubtitleHandler";
1296 } else if (track
->enc
->codec_tag
== MKTAG('r','t','p',' ')) {
1298 descr
= "HintHandler";
1299 } else if (track
->enc
->codec_tag
== MKTAG('t','m','c','d')) {
1301 descr
= "TimeCodeHandler";
1304 av_get_codec_tag_string(tag_buf
, sizeof(tag_buf
),
1305 track
->enc
->codec_tag
);
1307 av_log(track
->enc
, AV_LOG_WARNING
,
1308 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1309 tag_buf
, track
->enc
->codec_tag
);
1313 avio_wb32(pb
, 0); /* size */
1314 ffio_wfourcc(pb
, "hdlr");
1315 avio_wb32(pb
, 0); /* Version & flags */
1316 avio_write(pb
, hdlr
, 4); /* handler */
1317 ffio_wfourcc(pb
, hdlr_type
); /* handler type */
1318 avio_wb32(pb
, 0); /* reserved */
1319 avio_wb32(pb
, 0); /* reserved */
1320 avio_wb32(pb
, 0); /* reserved */
1321 if (!track
|| track
->mode
== MODE_MOV
)
1322 avio_w8(pb
, strlen(descr
)); /* pascal string */
1323 avio_write(pb
, descr
, strlen(descr
)); /* handler description */
1324 if (track
&& track
->mode
!= MODE_MOV
)
1325 avio_w8(pb
, 0); /* c string */
1326 return update_size(pb
, pos
);
1329 static int mov_write_hmhd_tag(AVIOContext
*pb
)
1331 /* This atom must be present, but leaving the values at zero
1332 * seems harmless. */
1333 avio_wb32(pb
, 28); /* size */
1334 ffio_wfourcc(pb
, "hmhd");
1335 avio_wb32(pb
, 0); /* version, flags */
1336 avio_wb16(pb
, 0); /* maxPDUsize */
1337 avio_wb16(pb
, 0); /* avgPDUsize */
1338 avio_wb32(pb
, 0); /* maxbitrate */
1339 avio_wb32(pb
, 0); /* avgbitrate */
1340 avio_wb32(pb
, 0); /* reserved */
1344 static int mov_write_minf_tag(AVIOContext
*pb
, MOVTrack
*track
)
1346 int64_t pos
= avio_tell(pb
);
1347 avio_wb32(pb
, 0); /* size */
1348 ffio_wfourcc(pb
, "minf");
1349 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
1350 mov_write_vmhd_tag(pb
);
1351 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1352 mov_write_smhd_tag(pb
);
1353 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
1354 if (track
->tag
== MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb
);
1355 else mov_write_nmhd_tag(pb
);
1356 } else if (track
->tag
== MKTAG('r','t','p',' ')) {
1357 mov_write_hmhd_tag(pb
);
1358 } else if (track
->tag
== MKTAG('t','m','c','d')) {
1359 mov_write_gmhd_tag(pb
);
1361 if (track
->mode
== MODE_MOV
) /* FIXME: Why do it for MODE_MOV only ? */
1362 mov_write_hdlr_tag(pb
, NULL
);
1363 mov_write_dinf_tag(pb
);
1364 mov_write_stbl_tag(pb
, track
);
1365 return update_size(pb
, pos
);
1368 static int mov_write_mdhd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1370 int version
= track
->track_duration
< INT32_MAX ?
0 : 1;
1372 if (track
->mode
== MODE_ISM
)
1375 (version
== 1) ?
avio_wb32(pb
, 44) : avio_wb32(pb
, 32); /* size */
1376 ffio_wfourcc(pb
, "mdhd");
1377 avio_w8(pb
, version
);
1378 avio_wb24(pb
, 0); /* flags */
1380 avio_wb64(pb
, track
->time
);
1381 avio_wb64(pb
, track
->time
);
1383 avio_wb32(pb
, track
->time
); /* creation time */
1384 avio_wb32(pb
, track
->time
); /* modification time */
1386 avio_wb32(pb
, track
->timescale
); /* time scale (sample rate for audio) */
1388 (version
== 1) ?
avio_wb64(pb
, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb
, 0xffffffff);
1390 (version
== 1) ?
avio_wb64(pb
, track
->track_duration
) : avio_wb32(pb
, track
->track_duration
); /* duration */
1391 avio_wb16(pb
, track
->language
); /* language */
1392 avio_wb16(pb
, 0); /* reserved (quality) */
1394 if (version
!= 0 && track
->mode
== MODE_MOV
) {
1395 av_log(NULL
, AV_LOG_ERROR
,
1396 "FATAL error, file duration too long for timebase, this file will not be\n"
1397 "playable with quicktime. Choose a different timebase or a different\n"
1398 "container format\n");
1404 static int mov_write_mdia_tag(AVIOContext
*pb
, MOVTrack
*track
)
1406 int64_t pos
= avio_tell(pb
);
1407 avio_wb32(pb
, 0); /* size */
1408 ffio_wfourcc(pb
, "mdia");
1409 mov_write_mdhd_tag(pb
, track
);
1410 mov_write_hdlr_tag(pb
, track
);
1411 mov_write_minf_tag(pb
, track
);
1412 return update_size(pb
, pos
);
1415 static int mov_write_tkhd_tag(AVIOContext
*pb
, MOVTrack
*track
, AVStream
*st
)
1417 int64_t duration
= av_rescale_rnd(track
->track_duration
, MOV_TIMESCALE
,
1418 track
->timescale
, AV_ROUND_UP
);
1419 int version
= duration
< INT32_MAX ?
0 : 1;
1421 if (track
->mode
== MODE_ISM
)
1424 (version
== 1) ?
avio_wb32(pb
, 104) : avio_wb32(pb
, 92); /* size */
1425 ffio_wfourcc(pb
, "tkhd");
1426 avio_w8(pb
, version
);
1427 avio_wb24(pb
, (track
->flags
& MOV_TRACK_ENABLED
) ?
1428 MOV_TKHD_FLAG_ENABLED
| MOV_TKHD_FLAG_IN_MOVIE
:
1429 MOV_TKHD_FLAG_IN_MOVIE
);
1431 avio_wb64(pb
, track
->time
);
1432 avio_wb64(pb
, track
->time
);
1434 avio_wb32(pb
, track
->time
); /* creation time */
1435 avio_wb32(pb
, track
->time
); /* modification time */
1437 avio_wb32(pb
, track
->track_id
); /* track-id */
1438 avio_wb32(pb
, 0); /* reserved */
1440 (version
== 1) ?
avio_wb64(pb
, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb
, 0xffffffff);
1442 (version
== 1) ?
avio_wb64(pb
, duration
) : avio_wb32(pb
, duration
);
1444 avio_wb32(pb
, 0); /* reserved */
1445 avio_wb32(pb
, 0); /* reserved */
1446 avio_wb16(pb
, 0); /* layer */
1447 avio_wb16(pb
, st ? st
->codec
->codec_type
: 0); /* alternate group) */
1448 /* Volume, only for audio */
1449 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1450 avio_wb16(pb
, 0x0100);
1453 avio_wb16(pb
, 0); /* reserved */
1455 /* Matrix structure */
1456 avio_wb32(pb
, 0x00010000); /* reserved */
1457 avio_wb32(pb
, 0x0); /* reserved */
1458 avio_wb32(pb
, 0x0); /* reserved */
1459 avio_wb32(pb
, 0x0); /* reserved */
1460 avio_wb32(pb
, 0x00010000); /* reserved */
1461 avio_wb32(pb
, 0x0); /* reserved */
1462 avio_wb32(pb
, 0x0); /* reserved */
1463 avio_wb32(pb
, 0x0); /* reserved */
1464 avio_wb32(pb
, 0x40000000); /* reserved */
1466 /* Track width and height, for visual only */
1467 if (st
&& (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
1468 track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)) {
1469 if (track
->mode
== MODE_MOV
) {
1470 avio_wb32(pb
, track
->enc
->width
<< 16);
1471 avio_wb32(pb
, track
->height
<< 16);
1473 double sample_aspect_ratio
= av_q2d(st
->sample_aspect_ratio
);
1474 if (!sample_aspect_ratio
|| track
->height
!= track
->enc
->height
)
1475 sample_aspect_ratio
= 1;
1476 avio_wb32(pb
, sample_aspect_ratio
* track
->enc
->width
* 0x10000);
1477 avio_wb32(pb
, track
->height
* 0x10000);
1486 static int mov_write_tapt_tag(AVIOContext
*pb
, MOVTrack
*track
)
1488 int32_t width
= av_rescale(track
->enc
->sample_aspect_ratio
.num
, track
->enc
->width
,
1489 track
->enc
->sample_aspect_ratio
.den
);
1491 int64_t pos
= avio_tell(pb
);
1493 avio_wb32(pb
, 0); /* size */
1494 ffio_wfourcc(pb
, "tapt");
1497 ffio_wfourcc(pb
, "clef");
1499 avio_wb32(pb
, width
<< 16);
1500 avio_wb32(pb
, track
->enc
->height
<< 16);
1503 ffio_wfourcc(pb
, "enof");
1505 avio_wb32(pb
, track
->enc
->width
<< 16);
1506 avio_wb32(pb
, track
->enc
->height
<< 16);
1508 return update_size(pb
, pos
);
1511 // This box seems important for the psp playback ... without it the movie seems to hang
1512 static int mov_write_edts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1514 int64_t duration
= av_rescale_rnd(track
->track_duration
, MOV_TIMESCALE
,
1515 track
->timescale
, AV_ROUND_UP
);
1516 int version
= duration
< INT32_MAX ?
0 : 1;
1517 int entry_size
, entry_count
, size
;
1518 int64_t delay
, start_ct
= track
->cluster
[0].cts
;
1519 delay
= av_rescale_rnd(track
->cluster
[0].dts
+ start_ct
, MOV_TIMESCALE
,
1520 track
->timescale
, AV_ROUND_DOWN
);
1521 version
|= delay
< INT32_MAX ?
0 : 1;
1523 entry_size
= (version
== 1) ?
20 : 12;
1524 entry_count
= 1 + (delay
> 0);
1525 size
= 24 + entry_count
* entry_size
;
1527 /* write the atom data */
1528 avio_wb32(pb
, size
);
1529 ffio_wfourcc(pb
, "edts");
1530 avio_wb32(pb
, size
- 8);
1531 ffio_wfourcc(pb
, "elst");
1532 avio_w8(pb
, version
);
1533 avio_wb24(pb
, 0); /* flags */
1535 avio_wb32(pb
, entry_count
);
1536 if (delay
> 0) { /* add an empty edit to delay presentation */
1538 avio_wb64(pb
, delay
);
1541 avio_wb32(pb
, delay
);
1544 avio_wb32(pb
, 0x00010000);
1549 avio_wb64(pb
, duration
);
1550 avio_wb64(pb
, start_ct
);
1552 avio_wb32(pb
, duration
);
1553 avio_wb32(pb
, start_ct
);
1555 avio_wb32(pb
, 0x00010000);
1559 static int mov_write_tref_tag(AVIOContext
*pb
, MOVTrack
*track
)
1561 avio_wb32(pb
, 20); // size
1562 ffio_wfourcc(pb
, "tref");
1563 avio_wb32(pb
, 12); // size (subatom)
1564 avio_wl32(pb
, track
->tref_tag
);
1565 avio_wb32(pb
, track
->tref_id
);
1569 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1570 static int mov_write_uuid_tag_psp(AVIOContext
*pb
, MOVTrack
*mov
)
1572 avio_wb32(pb
, 0x34); /* size ... reports as 28 in mp4box! */
1573 ffio_wfourcc(pb
, "uuid");
1574 ffio_wfourcc(pb
, "USMT");
1575 avio_wb32(pb
, 0x21d24fce);
1576 avio_wb32(pb
, 0xbb88695c);
1577 avio_wb32(pb
, 0xfac9c740);
1578 avio_wb32(pb
, 0x1c); // another size here!
1579 ffio_wfourcc(pb
, "MTDT");
1580 avio_wb32(pb
, 0x00010012);
1581 avio_wb32(pb
, 0x0a);
1582 avio_wb32(pb
, 0x55c40000);
1588 static int mov_write_udta_sdp(AVIOContext
*pb
, MOVTrack
*track
)
1590 AVFormatContext
*ctx
= track
->rtp_ctx
;
1591 char buf
[1000] = "";
1594 ff_sdp_write_media(buf
, sizeof(buf
), ctx
->streams
[0], track
->src_track
,
1595 NULL
, NULL
, 0, 0, ctx
);
1596 av_strlcatf(buf
, sizeof(buf
), "a=control:streamid=%d\r\n", track
->track_id
);
1599 avio_wb32(pb
, len
+ 24);
1600 ffio_wfourcc(pb
, "udta");
1601 avio_wb32(pb
, len
+ 16);
1602 ffio_wfourcc(pb
, "hnti");
1603 avio_wb32(pb
, len
+ 8);
1604 ffio_wfourcc(pb
, "sdp ");
1605 avio_write(pb
, buf
, len
);
1609 static int mov_write_trak_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1610 MOVTrack
*track
, AVStream
*st
)
1612 int64_t pos
= avio_tell(pb
);
1613 avio_wb32(pb
, 0); /* size */
1614 ffio_wfourcc(pb
, "trak");
1615 mov_write_tkhd_tag(pb
, track
, st
);
1616 if (track
->mode
== MODE_PSP
|| track
->flags
& MOV_TRACK_CTTS
||
1617 (track
->entry
&& track
->cluster
[0].dts
)) {
1618 if (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
1619 mov_write_edts_tag(pb
, track
); // PSP Movies require edts box
1621 if (track
->tref_tag
)
1622 mov_write_tref_tag(pb
, track
);
1623 mov_write_mdia_tag(pb
, track
);
1624 if (track
->mode
== MODE_PSP
)
1625 mov_write_uuid_tag_psp(pb
, track
); // PSP Movies require this uuid box
1626 if (track
->tag
== MKTAG('r','t','p',' '))
1627 mov_write_udta_sdp(pb
, track
);
1628 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&& track
->mode
== MODE_MOV
) {
1629 double sample_aspect_ratio
= av_q2d(st
->sample_aspect_ratio
);
1630 if (0.0 != sample_aspect_ratio
&& 1.0 != sample_aspect_ratio
)
1631 mov_write_tapt_tag(pb
, track
);
1633 return update_size(pb
, pos
);
1636 static int mov_write_iods_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
1638 int i
, has_audio
= 0, has_video
= 0;
1639 int64_t pos
= avio_tell(pb
);
1640 int audio_profile
= mov
->iods_audio_profile
;
1641 int video_profile
= mov
->iods_video_profile
;
1642 for (i
= 0; i
< mov
->nb_streams
; i
++) {
1643 if (mov
->tracks
[i
].entry
> 0) {
1644 has_audio
|= mov
->tracks
[i
].enc
->codec_type
== AVMEDIA_TYPE_AUDIO
;
1645 has_video
|= mov
->tracks
[i
].enc
->codec_type
== AVMEDIA_TYPE_VIDEO
;
1648 if (audio_profile
< 0)
1649 audio_profile
= 0xFF - has_audio
;
1650 if (video_profile
< 0)
1651 video_profile
= 0xFF - has_video
;
1652 avio_wb32(pb
, 0x0); /* size */
1653 ffio_wfourcc(pb
, "iods");
1654 avio_wb32(pb
, 0); /* version & flags */
1655 put_descr(pb
, 0x10, 7);
1656 avio_wb16(pb
, 0x004f);
1659 avio_w8(pb
, audio_profile
);
1660 avio_w8(pb
, video_profile
);
1662 return update_size(pb
, pos
);
1665 static int mov_write_trex_tag(AVIOContext
*pb
, MOVTrack
*track
)
1667 avio_wb32(pb
, 0x20); /* size */
1668 ffio_wfourcc(pb
, "trex");
1669 avio_wb32(pb
, 0); /* version & flags */
1670 avio_wb32(pb
, track
->track_id
); /* track ID */
1671 avio_wb32(pb
, 1); /* default sample description index */
1672 avio_wb32(pb
, 0); /* default sample duration */
1673 avio_wb32(pb
, 0); /* default sample size */
1674 avio_wb32(pb
, 0); /* default sample flags */
1678 static int mov_write_mvex_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
1680 int64_t pos
= avio_tell(pb
);
1682 avio_wb32(pb
, 0x0); /* size */
1683 ffio_wfourcc(pb
, "mvex");
1684 for (i
= 0; i
< mov
->nb_streams
; i
++)
1685 mov_write_trex_tag(pb
, &mov
->tracks
[i
]);
1686 return update_size(pb
, pos
);
1689 static int mov_write_mvhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
1691 int max_track_id
= 1, i
;
1692 int64_t max_track_len_temp
, max_track_len
= 0;
1695 for (i
= 0; i
< mov
->nb_streams
; i
++) {
1696 if (mov
->tracks
[i
].entry
> 0 && mov
->tracks
[i
].timescale
) {
1697 max_track_len_temp
= av_rescale_rnd(mov
->tracks
[i
].track_duration
,
1699 mov
->tracks
[i
].timescale
,
1701 if (max_track_len
< max_track_len_temp
)
1702 max_track_len
= max_track_len_temp
;
1703 if (max_track_id
< mov
->tracks
[i
].track_id
)
1704 max_track_id
= mov
->tracks
[i
].track_id
;
1708 version
= max_track_len
< UINT32_MAX ?
0 : 1;
1709 (version
== 1) ?
avio_wb32(pb
, 120) : avio_wb32(pb
, 108); /* size */
1710 ffio_wfourcc(pb
, "mvhd");
1711 avio_w8(pb
, version
);
1712 avio_wb24(pb
, 0); /* flags */
1714 avio_wb64(pb
, mov
->time
);
1715 avio_wb64(pb
, mov
->time
);
1717 avio_wb32(pb
, mov
->time
); /* creation time */
1718 avio_wb32(pb
, mov
->time
); /* modification time */
1720 avio_wb32(pb
, MOV_TIMESCALE
);
1721 (version
== 1) ?
avio_wb64(pb
, max_track_len
) : avio_wb32(pb
, max_track_len
); /* duration of longest track */
1723 avio_wb32(pb
, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1724 avio_wb16(pb
, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1725 avio_wb16(pb
, 0); /* reserved */
1726 avio_wb32(pb
, 0); /* reserved */
1727 avio_wb32(pb
, 0); /* reserved */
1729 /* Matrix structure */
1730 avio_wb32(pb
, 0x00010000); /* reserved */
1731 avio_wb32(pb
, 0x0); /* reserved */
1732 avio_wb32(pb
, 0x0); /* reserved */
1733 avio_wb32(pb
, 0x0); /* reserved */
1734 avio_wb32(pb
, 0x00010000); /* reserved */
1735 avio_wb32(pb
, 0x0); /* reserved */
1736 avio_wb32(pb
, 0x0); /* reserved */
1737 avio_wb32(pb
, 0x0); /* reserved */
1738 avio_wb32(pb
, 0x40000000); /* reserved */
1740 avio_wb32(pb
, 0); /* reserved (preview time) */
1741 avio_wb32(pb
, 0); /* reserved (preview duration) */
1742 avio_wb32(pb
, 0); /* reserved (poster time) */
1743 avio_wb32(pb
, 0); /* reserved (selection time) */
1744 avio_wb32(pb
, 0); /* reserved (selection duration) */
1745 avio_wb32(pb
, 0); /* reserved (current time) */
1746 avio_wb32(pb
, max_track_id
+ 1); /* Next track id */
1750 static int mov_write_itunes_hdlr_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1753 avio_wb32(pb
, 33); /* size */
1754 ffio_wfourcc(pb
, "hdlr");
1757 ffio_wfourcc(pb
, "mdir");
1758 ffio_wfourcc(pb
, "appl");
1765 /* helper function to write a data tag with the specified string as data */
1766 static int mov_write_string_data_tag(AVIOContext
*pb
, const char *data
, int lang
, int long_style
)
1769 int size
= 16 + strlen(data
);
1770 avio_wb32(pb
, size
); /* size */
1771 ffio_wfourcc(pb
, "data");
1774 avio_write(pb
, data
, strlen(data
));
1778 lang
= ff_mov_iso639_to_lang("und", 1);
1779 avio_wb16(pb
, strlen(data
)); /* string length */
1780 avio_wb16(pb
, lang
);
1781 avio_write(pb
, data
, strlen(data
));
1782 return strlen(data
) + 4;
1786 static int mov_write_string_tag(AVIOContext
*pb
, const char *name
,
1787 const char *value
, int lang
, int long_style
)
1790 if (value
&& value
[0]) {
1791 int64_t pos
= avio_tell(pb
);
1792 avio_wb32(pb
, 0); /* size */
1793 ffio_wfourcc(pb
, name
);
1794 mov_write_string_data_tag(pb
, value
, lang
, long_style
);
1795 size
= update_size(pb
, pos
);
1800 static int mov_write_string_metadata(AVFormatContext
*s
, AVIOContext
*pb
,
1801 const char *name
, const char *tag
,
1804 int l
, lang
= 0, len
, len2
;
1805 AVDictionaryEntry
*t
, *t2
= NULL
;
1808 if (!(t
= av_dict_get(s
->metadata
, tag
, NULL
, 0)))
1811 len
= strlen(t
->key
);
1812 snprintf(tag2
, sizeof(tag2
), "%s-", tag
);
1813 while ((t2
= av_dict_get(s
->metadata
, tag2
, t2
, AV_DICT_IGNORE_SUFFIX
))) {
1814 len2
= strlen(t2
->key
);
1815 if (len2
== len
+ 4 && !strcmp(t
->value
, t2
->value
)
1816 && (l
= ff_mov_iso639_to_lang(&t2
->key
[len2
- 3], 1)) >= 0) {
1821 return mov_write_string_tag(pb
, name
, t
->value
, lang
, long_style
);
1824 /* iTunes track number */
1825 static int mov_write_trkn_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1828 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
, "track", NULL
, 0);
1829 int size
= 0, track
= t ?
atoi(t
->value
) : 0;
1831 avio_wb32(pb
, 32); /* size */
1832 ffio_wfourcc(pb
, "trkn");
1833 avio_wb32(pb
, 24); /* size */
1834 ffio_wfourcc(pb
, "data");
1835 avio_wb32(pb
, 0); // 8 bytes empty
1837 avio_wb16(pb
, 0); // empty
1838 avio_wb16(pb
, track
); // track number
1839 avio_wb16(pb
, 0); // total track number
1840 avio_wb16(pb
, 0); // empty
1846 /* iTunes meta data list */
1847 static int mov_write_ilst_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1850 int64_t pos
= avio_tell(pb
);
1851 avio_wb32(pb
, 0); /* size */
1852 ffio_wfourcc(pb
, "ilst");
1853 mov_write_string_metadata(s
, pb
, "\251nam", "title" , 1);
1854 mov_write_string_metadata(s
, pb
, "\251ART", "artist" , 1);
1855 mov_write_string_metadata(s
, pb
, "aART", "album_artist", 1);
1856 mov_write_string_metadata(s
, pb
, "\251wrt", "composer" , 1);
1857 mov_write_string_metadata(s
, pb
, "\251alb", "album" , 1);
1858 mov_write_string_metadata(s
, pb
, "\251day", "date" , 1);
1859 mov_write_string_tag(pb
, "\251too", LIBAVFORMAT_IDENT
, 0, 1);
1860 mov_write_string_metadata(s
, pb
, "\251cmt", "comment" , 1);
1861 mov_write_string_metadata(s
, pb
, "\251gen", "genre" , 1);
1862 mov_write_string_metadata(s
, pb
, "\251cpy", "copyright", 1);
1863 mov_write_string_metadata(s
, pb
, "\251grp", "grouping" , 1);
1864 mov_write_string_metadata(s
, pb
, "\251lyr", "lyrics" , 1);
1865 mov_write_string_metadata(s
, pb
, "desc", "description",1);
1866 mov_write_string_metadata(s
, pb
, "ldes", "synopsis" , 1);
1867 mov_write_string_metadata(s
, pb
, "tvsh", "show" , 1);
1868 mov_write_string_metadata(s
, pb
, "tven", "episode_id",1);
1869 mov_write_string_metadata(s
, pb
, "tvnn", "network" , 1);
1870 mov_write_trkn_tag(pb
, mov
, s
);
1871 return update_size(pb
, pos
);
1874 /* iTunes meta data tag */
1875 static int mov_write_meta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1879 int64_t pos
= avio_tell(pb
);
1880 avio_wb32(pb
, 0); /* size */
1881 ffio_wfourcc(pb
, "meta");
1883 mov_write_itunes_hdlr_tag(pb
, mov
, s
);
1884 mov_write_ilst_tag(pb
, mov
, s
);
1885 size
= update_size(pb
, pos
);
1889 static int utf8len(const uint8_t *b
)
1894 GET_UTF8(val
, *b
++, return -1;)
1900 static int ascii_to_wc(AVIOContext
*pb
, const uint8_t *b
)
1904 GET_UTF8(val
, *b
++, return -1;)
1907 avio_wb16(pb
, 0x00);
1911 static uint16_t language_code(const char *str
)
1913 return (((str
[0] - 0x60) & 0x1F) << 10) +
1914 (((str
[1] - 0x60) & 0x1F) << 5) +
1915 (( str
[2] - 0x60) & 0x1F);
1918 static int mov_write_3gp_udta_tag(AVIOContext
*pb
, AVFormatContext
*s
,
1919 const char *tag
, const char *str
)
1921 int64_t pos
= avio_tell(pb
);
1922 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
, str
, NULL
, 0);
1923 if (!t
|| !utf8len(t
->value
))
1925 avio_wb32(pb
, 0); /* size */
1926 ffio_wfourcc(pb
, tag
); /* type */
1927 avio_wb32(pb
, 0); /* version + flags */
1928 if (!strcmp(tag
, "yrrc"))
1929 avio_wb16(pb
, atoi(t
->value
));
1931 avio_wb16(pb
, language_code("eng")); /* language */
1932 avio_write(pb
, t
->value
, strlen(t
->value
) + 1); /* UTF8 string value */
1933 if (!strcmp(tag
, "albm") &&
1934 (t
= av_dict_get(s
->metadata
, "track", NULL
, 0)))
1935 avio_w8(pb
, atoi(t
->value
));
1937 return update_size(pb
, pos
);
1940 static int mov_write_chpl_tag(AVIOContext
*pb
, AVFormatContext
*s
)
1942 int64_t pos
= avio_tell(pb
);
1943 int i
, nb_chapters
= FFMIN(s
->nb_chapters
, 255);
1945 avio_wb32(pb
, 0); // size
1946 ffio_wfourcc(pb
, "chpl");
1947 avio_wb32(pb
, 0x01000000); // version + flags
1948 avio_wb32(pb
, 0); // unknown
1949 avio_w8(pb
, nb_chapters
);
1951 for (i
= 0; i
< nb_chapters
; i
++) {
1952 AVChapter
*c
= s
->chapters
[i
];
1953 AVDictionaryEntry
*t
;
1954 avio_wb64(pb
, av_rescale_q(c
->start
, c
->time_base
, (AVRational
){1,10000000}));
1956 if ((t
= av_dict_get(c
->metadata
, "title", NULL
, 0))) {
1957 int len
= FFMIN(strlen(t
->value
), 255);
1959 avio_write(pb
, t
->value
, len
);
1963 return update_size(pb
, pos
);
1966 static int mov_write_udta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1969 AVIOContext
*pb_buf
;
1973 for (i
= 0; i
< s
->nb_streams
; i
++)
1974 if (mov
->tracks
[i
].enc
->flags
& CODEC_FLAG_BITEXACT
) {
1978 ret
= avio_open_dyn_buf(&pb_buf
);
1982 if (mov
->mode
& MODE_3GP
) {
1983 mov_write_3gp_udta_tag(pb_buf
, s
, "perf", "artist");
1984 mov_write_3gp_udta_tag(pb_buf
, s
, "titl", "title");
1985 mov_write_3gp_udta_tag(pb_buf
, s
, "auth", "author");
1986 mov_write_3gp_udta_tag(pb_buf
, s
, "gnre", "genre");
1987 mov_write_3gp_udta_tag(pb_buf
, s
, "dscp", "comment");
1988 mov_write_3gp_udta_tag(pb_buf
, s
, "albm", "album");
1989 mov_write_3gp_udta_tag(pb_buf
, s
, "cprt", "copyright");
1990 mov_write_3gp_udta_tag(pb_buf
, s
, "yrrc", "date");
1991 } else if (mov
->mode
== MODE_MOV
) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1992 mov_write_string_metadata(s
, pb_buf
, "\251ART", "artist", 0);
1993 mov_write_string_metadata(s
, pb_buf
, "\251nam", "title", 0);
1994 mov_write_string_metadata(s
, pb_buf
, "\251aut", "author", 0);
1995 mov_write_string_metadata(s
, pb_buf
, "\251alb", "album", 0);
1996 mov_write_string_metadata(s
, pb_buf
, "\251day", "date", 0);
1997 mov_write_string_metadata(s
, pb_buf
, "\251swr", "encoder", 0);
1998 mov_write_string_metadata(s
, pb_buf
, "\251des", "comment", 0);
1999 mov_write_string_metadata(s
, pb_buf
, "\251gen", "genre", 0);
2000 mov_write_string_metadata(s
, pb_buf
, "\251cpy", "copyright", 0);
2002 /* iTunes meta data */
2003 mov_write_meta_tag(pb_buf
, mov
, s
);
2007 mov_write_chpl_tag(pb_buf
, s
);
2009 if ((size
= avio_close_dyn_buf(pb_buf
, &buf
)) > 0) {
2010 avio_wb32(pb
, size
+ 8);
2011 ffio_wfourcc(pb
, "udta");
2012 avio_write(pb
, buf
, size
);
2019 static void mov_write_psp_udta_tag(AVIOContext
*pb
,
2020 const char *str
, const char *lang
, int type
)
2022 int len
= utf8len(str
) + 1;
2025 avio_wb16(pb
, len
* 2 + 10); /* size */
2026 avio_wb32(pb
, type
); /* type */
2027 avio_wb16(pb
, language_code(lang
)); /* language */
2028 avio_wb16(pb
, 0x01); /* ? */
2029 ascii_to_wc(pb
, str
);
2032 static int mov_write_uuidusmt_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2034 AVDictionaryEntry
*title
= av_dict_get(s
->metadata
, "title", NULL
, 0);
2038 pos
= avio_tell(pb
);
2039 avio_wb32(pb
, 0); /* size placeholder*/
2040 ffio_wfourcc(pb
, "uuid");
2041 ffio_wfourcc(pb
, "USMT");
2042 avio_wb32(pb
, 0x21d24fce); /* 96 bit UUID */
2043 avio_wb32(pb
, 0xbb88695c);
2044 avio_wb32(pb
, 0xfac9c740);
2046 pos2
= avio_tell(pb
);
2047 avio_wb32(pb
, 0); /* size placeholder*/
2048 ffio_wfourcc(pb
, "MTDT");
2052 avio_wb16(pb
, 0x0C); /* size */
2053 avio_wb32(pb
, 0x0B); /* type */
2054 avio_wb16(pb
, language_code("und")); /* language */
2055 avio_wb16(pb
, 0x0); /* ? */
2056 avio_wb16(pb
, 0x021C); /* data */
2058 mov_write_psp_udta_tag(pb
, LIBAVCODEC_IDENT
, "eng", 0x04);
2059 mov_write_psp_udta_tag(pb
, title
->value
, "eng", 0x01);
2060 mov_write_psp_udta_tag(pb
, "2006/04/01 11:11:11", "und", 0x03);
2062 update_size(pb
, pos2
);
2063 return update_size(pb
, pos
);
2069 static int mov_write_moov_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2073 int64_t pos
= avio_tell(pb
);
2074 avio_wb32(pb
, 0); /* size placeholder*/
2075 ffio_wfourcc(pb
, "moov");
2077 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2078 if (mov
->tracks
[i
].entry
<= 0 && !(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
2081 mov
->tracks
[i
].time
= mov
->time
;
2082 mov
->tracks
[i
].track_id
= i
+ 1;
2085 if (mov
->chapter_track
)
2086 for (i
= 0; i
< s
->nb_streams
; i
++) {
2087 mov
->tracks
[i
].tref_tag
= MKTAG('c','h','a','p');
2088 mov
->tracks
[i
].tref_id
= mov
->tracks
[mov
->chapter_track
].track_id
;
2090 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2091 if (mov
->tracks
[i
].tag
== MKTAG('r','t','p',' ')) {
2092 mov
->tracks
[i
].tref_tag
= MKTAG('h','i','n','t');
2093 mov
->tracks
[i
].tref_id
=
2094 mov
->tracks
[mov
->tracks
[i
].src_track
].track_id
;
2098 mov_write_mvhd_tag(pb
, mov
);
2099 if (mov
->mode
!= MODE_MOV
&& !mov
->iods_skip
)
2100 mov_write_iods_tag(pb
, mov
);
2101 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2102 if (mov
->tracks
[i
].entry
> 0 || mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
2103 mov_write_trak_tag(pb
, mov
, &(mov
->tracks
[i
]), i
< s
->nb_streams ? s
->streams
[i
] : NULL
);
2106 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
)
2107 mov_write_mvex_tag(pb
, mov
); /* QuickTime requires trak to precede this */
2109 if (mov
->mode
== MODE_PSP
)
2110 mov_write_uuidusmt_tag(pb
, s
);
2112 mov_write_udta_tag(pb
, mov
, s
);
2114 return update_size(pb
, pos
);
2117 static void param_write_int(AVIOContext
*pb
, const char *name
, int value
)
2119 avio_printf(pb
, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name
, value
);
2122 static void param_write_string(AVIOContext
*pb
, const char *name
, const char *value
)
2124 avio_printf(pb
, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name
, value
);
2127 static void param_write_hex(AVIOContext
*pb
, const char *name
, const uint8_t *value
, int len
)
2130 len
= FFMIN(sizeof(buf
) / 2 - 1, len
);
2131 ff_data_to_hex(buf
, value
, len
, 0);
2132 buf
[2 * len
] = '\0';
2133 avio_printf(pb
, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name
, buf
);
2136 static int mov_write_isml_manifest(AVIOContext
*pb
, MOVMuxContext
*mov
)
2138 int64_t pos
= avio_tell(pb
);
2140 const uint8_t uuid
[] = {
2141 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2142 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2146 ffio_wfourcc(pb
, "uuid");
2147 avio_write(pb
, uuid
, sizeof(uuid
));
2150 avio_printf(pb
, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2151 avio_printf(pb
, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2152 avio_printf(pb
, "<head>\n");
2153 avio_printf(pb
, "<meta name=\"creator\" content=\"%s\" />\n",
2155 avio_printf(pb
, "</head>\n");
2156 avio_printf(pb
, "<body>\n");
2157 avio_printf(pb
, "<switch>\n");
2158 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2159 MOVTrack
*track
= &mov
->tracks
[i
];
2161 /* track->track_id is initialized in write_moov, and thus isn't known
2163 int track_id
= i
+ 1;
2165 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
2167 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
2172 avio_printf(pb
, "<%s systemBitrate=\"%d\">\n", type
,
2173 track
->enc
->bit_rate
);
2174 param_write_int(pb
, "systemBitrate", track
->enc
->bit_rate
);
2175 param_write_int(pb
, "trackID", track_id
);
2176 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
2177 if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) {
2179 int size
= track
->enc
->extradata_size
;
2180 if (!ff_avc_write_annexb_extradata(track
->enc
->extradata
, &ptr
,
2182 param_write_hex(pb
, "CodecPrivateData",
2183 ptr ? ptr
: track
->enc
->extradata
,
2187 param_write_string(pb
, "FourCC", "H264");
2188 } else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
) {
2189 param_write_string(pb
, "FourCC", "WVC1");
2190 param_write_hex(pb
, "CodecPrivateData", track
->enc
->extradata
,
2191 track
->enc
->extradata_size
);
2193 param_write_int(pb
, "MaxWidth", track
->enc
->width
);
2194 param_write_int(pb
, "MaxHeight", track
->enc
->height
);
2195 param_write_int(pb
, "DisplayWidth", track
->enc
->width
);
2196 param_write_int(pb
, "DisplayHeight", track
->enc
->height
);
2198 if (track
->enc
->codec_id
== AV_CODEC_ID_AAC
) {
2199 param_write_string(pb
, "FourCC", "AACL");
2200 } else if (track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
) {
2201 param_write_string(pb
, "FourCC", "WMAP");
2203 param_write_hex(pb
, "CodecPrivateData", track
->enc
->extradata
,
2204 track
->enc
->extradata_size
);
2205 param_write_int(pb
, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags
,
2206 track
->enc
->codec_id
));
2207 param_write_int(pb
, "Channels", track
->enc
->channels
);
2208 param_write_int(pb
, "SamplingRate", track
->enc
->sample_rate
);
2209 param_write_int(pb
, "BitsPerSample", 16);
2210 param_write_int(pb
, "PacketSize", track
->enc
->block_align ?
2211 track
->enc
->block_align
: 4);
2213 avio_printf(pb
, "</%s>\n", type
);
2215 avio_printf(pb
, "</switch>\n");
2216 avio_printf(pb
, "</body>\n");
2217 avio_printf(pb
, "</smil>\n");
2219 return update_size(pb
, pos
);
2222 static int mov_write_mfhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2225 ffio_wfourcc(pb
, "mfhd");
2227 avio_wb32(pb
, mov
->fragments
);
2231 static int mov_write_tfhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2232 MOVTrack
*track
, int64_t moof_offset
)
2234 int64_t pos
= avio_tell(pb
);
2235 uint32_t flags
= MOV_TFHD_DEFAULT_SIZE
| MOV_TFHD_DEFAULT_DURATION
|
2236 MOV_TFHD_BASE_DATA_OFFSET
;
2237 if (!track
->entry
) {
2238 flags
|= MOV_TFHD_DURATION_IS_EMPTY
;
2240 flags
|= MOV_TFHD_DEFAULT_FLAGS
;
2242 if (mov
->flags
& FF_MOV_FLAG_OMIT_TFHD_OFFSET
)
2243 flags
&= ~MOV_TFHD_BASE_DATA_OFFSET
;
2245 /* Don't set a default sample size, the silverlight player refuses
2246 * to play files with that set. Don't set a default sample duration,
2247 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2248 * file format says it MUST NOT be set. */
2249 if (track
->mode
== MODE_ISM
)
2250 flags
&= ~(MOV_TFHD_DEFAULT_SIZE
| MOV_TFHD_DEFAULT_DURATION
|
2251 MOV_TFHD_BASE_DATA_OFFSET
);
2253 avio_wb32(pb
, 0); /* size placeholder */
2254 ffio_wfourcc(pb
, "tfhd");
2255 avio_w8(pb
, 0); /* version */
2256 avio_wb24(pb
, flags
);
2258 avio_wb32(pb
, track
->track_id
); /* track-id */
2259 if (flags
& MOV_TFHD_BASE_DATA_OFFSET
)
2260 avio_wb64(pb
, moof_offset
);
2261 if (flags
& MOV_TFHD_DEFAULT_DURATION
) {
2262 track
->default_duration
= get_cluster_duration(track
, 0);
2263 avio_wb32(pb
, track
->default_duration
);
2265 if (flags
& MOV_TFHD_DEFAULT_SIZE
) {
2266 track
->default_size
= track
->entry ? track
->cluster
[0].size
: 1;
2267 avio_wb32(pb
, track
->default_size
);
2269 track
->default_size
= -1;
2271 if (flags
& MOV_TFHD_DEFAULT_FLAGS
) {
2272 track
->default_sample_flags
=
2273 track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO ?
2274 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
| MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
) :
2275 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
;
2276 avio_wb32(pb
, track
->default_sample_flags
);
2279 return update_size(pb
, pos
);
2282 static uint32_t get_sample_flags(MOVTrack
*track
, MOVIentry
*entry
)
2284 return entry
->flags
& MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
:
2285 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
| MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
);
2288 static int mov_write_trun_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2289 MOVTrack
*track
, int moof_size
)
2291 int64_t pos
= avio_tell(pb
);
2292 uint32_t flags
= MOV_TRUN_DATA_OFFSET
;
2295 for (i
= 0; i
< track
->entry
; i
++) {
2296 if (get_cluster_duration(track
, i
) != track
->default_duration
)
2297 flags
|= MOV_TRUN_SAMPLE_DURATION
;
2298 if (track
->cluster
[i
].size
!= track
->default_size
)
2299 flags
|= MOV_TRUN_SAMPLE_SIZE
;
2300 if (i
> 0 && get_sample_flags(track
, &track
->cluster
[i
]) != track
->default_sample_flags
)
2301 flags
|= MOV_TRUN_SAMPLE_FLAGS
;
2303 if (!(flags
& MOV_TRUN_SAMPLE_FLAGS
))
2304 flags
|= MOV_TRUN_FIRST_SAMPLE_FLAGS
;
2305 if (track
->flags
& MOV_TRACK_CTTS
)
2306 flags
|= MOV_TRUN_SAMPLE_CTS
;
2308 avio_wb32(pb
, 0); /* size placeholder */
2309 ffio_wfourcc(pb
, "trun");
2310 avio_w8(pb
, 0); /* version */
2311 avio_wb24(pb
, flags
);
2313 avio_wb32(pb
, track
->entry
); /* sample count */
2314 if (mov
->flags
& FF_MOV_FLAG_OMIT_TFHD_OFFSET
&&
2315 !(mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
) &&
2316 track
->track_id
!= 1)
2317 avio_wb32(pb
, 0); /* Later tracks follow immediately after the previous one */
2319 avio_wb32(pb
, moof_size
+ 8 + track
->data_offset
+
2320 track
->cluster
[0].pos
); /* data offset */
2321 if (flags
& MOV_TRUN_FIRST_SAMPLE_FLAGS
)
2322 avio_wb32(pb
, get_sample_flags(track
, &track
->cluster
[0]));
2324 for (i
= 0; i
< track
->entry
; i
++) {
2325 if (flags
& MOV_TRUN_SAMPLE_DURATION
)
2326 avio_wb32(pb
, get_cluster_duration(track
, i
));
2327 if (flags
& MOV_TRUN_SAMPLE_SIZE
)
2328 avio_wb32(pb
, track
->cluster
[i
].size
);
2329 if (flags
& MOV_TRUN_SAMPLE_FLAGS
)
2330 avio_wb32(pb
, get_sample_flags(track
, &track
->cluster
[i
]));
2331 if (flags
& MOV_TRUN_SAMPLE_CTS
)
2332 avio_wb32(pb
, track
->cluster
[i
].cts
);
2335 return update_size(pb
, pos
);
2338 static int mov_write_tfxd_tag(AVIOContext
*pb
, MOVTrack
*track
)
2340 int64_t pos
= avio_tell(pb
);
2341 const uint8_t uuid
[] = {
2342 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2343 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2346 avio_wb32(pb
, 0); /* size placeholder */
2347 ffio_wfourcc(pb
, "uuid");
2348 avio_write(pb
, uuid
, sizeof(uuid
));
2351 avio_wb64(pb
, track
->frag_start
);
2352 avio_wb64(pb
, track
->start_dts
+ track
->track_duration
-
2353 track
->cluster
[0].dts
);
2355 return update_size(pb
, pos
);
2358 static int mov_write_tfrf_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2359 MOVTrack
*track
, int entry
)
2361 int n
= track
->nb_frag_info
- 1 - entry
, i
;
2362 int size
= 8 + 16 + 4 + 1 + 16*n
;
2363 const uint8_t uuid
[] = {
2364 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2365 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2371 avio_seek(pb
, track
->frag_info
[entry
].tfrf_offset
, SEEK_SET
);
2372 avio_wb32(pb
, size
);
2373 ffio_wfourcc(pb
, "uuid");
2374 avio_write(pb
, uuid
, sizeof(uuid
));
2378 for (i
= 0; i
< n
; i
++) {
2379 int index
= entry
+ 1 + i
;
2380 avio_wb64(pb
, track
->frag_info
[index
].time
);
2381 avio_wb64(pb
, track
->frag_info
[index
].duration
);
2383 if (n
< mov
->ism_lookahead
) {
2384 int free_size
= 16 * (mov
->ism_lookahead
- n
);
2385 avio_wb32(pb
, free_size
);
2386 ffio_wfourcc(pb
, "free");
2387 for (i
= 0; i
< free_size
- 8; i
++)
2394 static int mov_write_tfrf_tags(AVIOContext
*pb
, MOVMuxContext
*mov
,
2397 int64_t pos
= avio_tell(pb
);
2399 for (i
= 0; i
< mov
->ism_lookahead
; i
++) {
2400 /* Update the tfrf tag for the last ism_lookahead fragments,
2401 * nb_frag_info - 1 is the next fragment to be written. */
2402 mov_write_tfrf_tag(pb
, mov
, track
, track
->nb_frag_info
- 2 - i
);
2404 avio_seek(pb
, pos
, SEEK_SET
);
2408 static int mov_write_traf_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2409 MOVTrack
*track
, int64_t moof_offset
,
2412 int64_t pos
= avio_tell(pb
);
2413 avio_wb32(pb
, 0); /* size placeholder */
2414 ffio_wfourcc(pb
, "traf");
2416 mov_write_tfhd_tag(pb
, mov
, track
, moof_offset
);
2417 mov_write_trun_tag(pb
, mov
, track
, moof_size
);
2418 if (mov
->mode
== MODE_ISM
) {
2419 mov_write_tfxd_tag(pb
, track
);
2421 if (mov
->ism_lookahead
) {
2422 int i
, size
= 16 + 4 + 1 + 16 * mov
->ism_lookahead
;
2424 track
->tfrf_offset
= avio_tell(pb
);
2425 avio_wb32(pb
, 8 + size
);
2426 ffio_wfourcc(pb
, "free");
2427 for (i
= 0; i
< size
; i
++)
2432 return update_size(pb
, pos
);
2435 static int mov_write_moof_tag_internal(AVIOContext
*pb
, MOVMuxContext
*mov
,
2436 int tracks
, int moof_size
)
2438 int64_t pos
= avio_tell(pb
);
2441 avio_wb32(pb
, 0); /* size placeholder */
2442 ffio_wfourcc(pb
, "moof");
2444 mov_write_mfhd_tag(pb
, mov
);
2445 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2446 MOVTrack
*track
= &mov
->tracks
[i
];
2447 if (tracks
>= 0 && i
!= tracks
)
2451 mov_write_traf_tag(pb
, mov
, track
, pos
, moof_size
);
2454 return update_size(pb
, pos
);
2457 static int mov_write_moof_tag(AVIOContext
*pb
, MOVMuxContext
*mov
, int tracks
)
2459 AVIOContext
*avio_buf
;
2462 if ((ret
= ffio_open_null_buf(&avio_buf
)) < 0)
2464 mov_write_moof_tag_internal(avio_buf
, mov
, tracks
, 0);
2465 moof_size
= ffio_close_null_buf(avio_buf
);
2466 return mov_write_moof_tag_internal(pb
, mov
, tracks
, moof_size
);
2469 static int mov_write_tfra_tag(AVIOContext
*pb
, MOVTrack
*track
)
2471 int64_t pos
= avio_tell(pb
);
2474 avio_wb32(pb
, 0); /* size placeholder */
2475 ffio_wfourcc(pb
, "tfra");
2476 avio_w8(pb
, 1); /* version */
2479 avio_wb32(pb
, track
->track_id
);
2480 avio_wb32(pb
, 0); /* length of traf/trun/sample num */
2481 avio_wb32(pb
, track
->nb_frag_info
);
2482 for (i
= 0; i
< track
->nb_frag_info
; i
++) {
2483 avio_wb64(pb
, track
->frag_info
[i
].time
);
2484 avio_wb64(pb
, track
->frag_info
[i
].offset
);
2485 avio_w8(pb
, 1); /* traf number */
2486 avio_w8(pb
, 1); /* trun number */
2487 avio_w8(pb
, 1); /* sample number */
2490 return update_size(pb
, pos
);
2493 static int mov_write_mfra_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2495 int64_t pos
= avio_tell(pb
);
2498 avio_wb32(pb
, 0); /* size placeholder */
2499 ffio_wfourcc(pb
, "mfra");
2500 /* An empty mfra atom is enough to indicate to the publishing point that
2501 * the stream has ended. */
2502 if (mov
->flags
& FF_MOV_FLAG_ISML
)
2503 return update_size(pb
, pos
);
2505 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2506 MOVTrack
*track
= &mov
->tracks
[i
];
2507 if (track
->nb_frag_info
)
2508 mov_write_tfra_tag(pb
, track
);
2512 ffio_wfourcc(pb
, "mfro");
2513 avio_wb32(pb
, 0); /* version + flags */
2514 avio_wb32(pb
, avio_tell(pb
) + 4 - pos
);
2516 return update_size(pb
, pos
);
2519 static int mov_write_mdat_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2521 avio_wb32(pb
, 8); // placeholder for extended size field (64 bit)
2522 ffio_wfourcc(pb
, mov
->mode
== MODE_MOV ?
"wide" : "free");
2524 mov
->mdat_pos
= avio_tell(pb
);
2525 avio_wb32(pb
, 0); /* size placeholder*/
2526 ffio_wfourcc(pb
, "mdat");
2530 /* TODO: This needs to be more general */
2531 static int mov_write_ftyp_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2533 MOVMuxContext
*mov
= s
->priv_data
;
2534 int64_t pos
= avio_tell(pb
);
2535 int has_h264
= 0, has_video
= 0;
2539 for (i
= 0; i
< s
->nb_streams
; i
++) {
2540 AVStream
*st
= s
->streams
[i
];
2541 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)
2543 if (st
->codec
->codec_id
== AV_CODEC_ID_H264
)
2547 avio_wb32(pb
, 0); /* size */
2548 ffio_wfourcc(pb
, "ftyp");
2550 if (mov
->mode
== MODE_3GP
) {
2551 ffio_wfourcc(pb
, has_h264 ?
"3gp6" : "3gp4");
2552 minor
= has_h264 ?
0x100 : 0x200;
2553 } else if (mov
->mode
& MODE_3G2
) {
2554 ffio_wfourcc(pb
, has_h264 ?
"3g2b" : "3g2a");
2555 minor
= has_h264 ?
0x20000 : 0x10000;
2556 } else if (mov
->mode
== MODE_PSP
)
2557 ffio_wfourcc(pb
, "MSNV");
2558 else if (mov
->mode
== MODE_MP4
)
2559 ffio_wfourcc(pb
, "isom");
2560 else if (mov
->mode
== MODE_IPOD
)
2561 ffio_wfourcc(pb
, has_video ?
"M4V ":"M4A ");
2562 else if (mov
->mode
== MODE_ISM
)
2563 ffio_wfourcc(pb
, "isml");
2564 else if (mov
->mode
== MODE_F4V
)
2565 ffio_wfourcc(pb
, "f4v ");
2567 ffio_wfourcc(pb
, "qt ");
2569 avio_wb32(pb
, minor
);
2571 if (mov
->mode
== MODE_MOV
)
2572 ffio_wfourcc(pb
, "qt ");
2573 else if (mov
->mode
== MODE_ISM
) {
2574 ffio_wfourcc(pb
, "piff");
2575 ffio_wfourcc(pb
, "iso2");
2577 ffio_wfourcc(pb
, "isom");
2578 ffio_wfourcc(pb
, "iso2");
2580 ffio_wfourcc(pb
, "avc1");
2583 if (mov
->mode
== MODE_3GP
)
2584 ffio_wfourcc(pb
, has_h264 ?
"3gp6":"3gp4");
2585 else if (mov
->mode
& MODE_3G2
)
2586 ffio_wfourcc(pb
, has_h264 ?
"3g2b":"3g2a");
2587 else if (mov
->mode
== MODE_PSP
)
2588 ffio_wfourcc(pb
, "MSNV");
2589 else if (mov
->mode
== MODE_MP4
)
2590 ffio_wfourcc(pb
, "mp41");
2591 return update_size(pb
, pos
);
2594 static void mov_write_uuidprof_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2596 AVCodecContext
*video_codec
= s
->streams
[0]->codec
;
2597 AVCodecContext
*audio_codec
= s
->streams
[1]->codec
;
2598 int audio_rate
= audio_codec
->sample_rate
;
2599 int frame_rate
= ((video_codec
->time_base
.den
) * (0x10000)) / (video_codec
->time_base
.num
);
2600 int audio_kbitrate
= audio_codec
->bit_rate
/ 1000;
2601 int video_kbitrate
= FFMIN(video_codec
->bit_rate
/ 1000, 800 - audio_kbitrate
);
2603 avio_wb32(pb
, 0x94); /* size */
2604 ffio_wfourcc(pb
, "uuid");
2605 ffio_wfourcc(pb
, "PROF");
2607 avio_wb32(pb
, 0x21d24fce); /* 96 bit UUID */
2608 avio_wb32(pb
, 0xbb88695c);
2609 avio_wb32(pb
, 0xfac9c740);
2611 avio_wb32(pb
, 0x0); /* ? */
2612 avio_wb32(pb
, 0x3); /* 3 sections ? */
2614 avio_wb32(pb
, 0x14); /* size */
2615 ffio_wfourcc(pb
, "FPRF");
2616 avio_wb32(pb
, 0x0); /* ? */
2617 avio_wb32(pb
, 0x0); /* ? */
2618 avio_wb32(pb
, 0x0); /* ? */
2620 avio_wb32(pb
, 0x2c); /* size */
2621 ffio_wfourcc(pb
, "APRF"); /* audio */
2623 avio_wb32(pb
, 0x2); /* TrackID */
2624 ffio_wfourcc(pb
, "mp4a");
2625 avio_wb32(pb
, 0x20f);
2627 avio_wb32(pb
, audio_kbitrate
);
2628 avio_wb32(pb
, audio_kbitrate
);
2629 avio_wb32(pb
, audio_rate
);
2630 avio_wb32(pb
, audio_codec
->channels
);
2632 avio_wb32(pb
, 0x34); /* size */
2633 ffio_wfourcc(pb
, "VPRF"); /* video */
2635 avio_wb32(pb
, 0x1); /* TrackID */
2636 if (video_codec
->codec_id
== AV_CODEC_ID_H264
) {
2637 ffio_wfourcc(pb
, "avc1");
2638 avio_wb16(pb
, 0x014D);
2639 avio_wb16(pb
, 0x0015);
2641 ffio_wfourcc(pb
, "mp4v");
2642 avio_wb16(pb
, 0x0000);
2643 avio_wb16(pb
, 0x0103);
2646 avio_wb32(pb
, video_kbitrate
);
2647 avio_wb32(pb
, video_kbitrate
);
2648 avio_wb32(pb
, frame_rate
);
2649 avio_wb32(pb
, frame_rate
);
2650 avio_wb16(pb
, video_codec
->width
);
2651 avio_wb16(pb
, video_codec
->height
);
2652 avio_wb32(pb
, 0x010001); /* ? */
2655 static int mov_parse_mpeg2_frame(AVPacket
*pkt
, uint32_t *flags
)
2658 int i
, closed_gop
= 0;
2660 for (i
= 0; i
< pkt
->size
- 4; i
++) {
2661 c
= (c
<< 8) + pkt
->data
[i
];
2662 if (c
== 0x1b8) { // gop
2663 closed_gop
= pkt
->data
[i
+ 4] >> 6 & 0x01;
2664 } else if (c
== 0x100) { // pic
2665 int temp_ref
= (pkt
->data
[i
+ 1] << 2) | (pkt
->data
[i
+ 2] >> 6);
2666 if (!temp_ref
|| closed_gop
) // I picture is not reordered
2667 *flags
= MOV_SYNC_SAMPLE
;
2669 *flags
= MOV_PARTIAL_SYNC_SAMPLE
;
2676 static void mov_parse_vc1_frame(AVPacket
*pkt
, MOVTrack
*trk
, int fragment
)
2678 const uint8_t *start
, *next
, *end
= pkt
->data
+ pkt
->size
;
2679 int seq
= 0, entry
= 0;
2680 int key
= pkt
->flags
& AV_PKT_FLAG_KEY
;
2681 start
= find_next_marker(pkt
->data
, end
);
2682 for (next
= start
; next
< end
; start
= next
) {
2683 next
= find_next_marker(start
+ 4, end
);
2684 switch (AV_RB32(start
)) {
2685 case VC1_CODE_SEQHDR
:
2688 case VC1_CODE_ENTRYPOINT
:
2691 case VC1_CODE_SLICE
:
2692 trk
->vc1_info
.slices
= 1;
2696 if (!trk
->entry
&& !fragment
) {
2697 /* First packet in first fragment */
2698 trk
->vc1_info
.first_packet_seq
= seq
;
2699 trk
->vc1_info
.first_packet_entry
= entry
;
2700 } else if ((seq
&& !trk
->vc1_info
.packet_seq
) ||
2701 (entry
&& !trk
->vc1_info
.packet_entry
)) {
2703 for (i
= 0; i
< trk
->entry
; i
++)
2704 trk
->cluster
[i
].flags
&= ~MOV_SYNC_SAMPLE
;
2705 trk
->has_keyframes
= 0;
2707 trk
->vc1_info
.packet_seq
= 1;
2709 trk
->vc1_info
.packet_entry
= 1;
2711 /* First fragment */
2712 if ((!seq
|| trk
->vc1_info
.first_packet_seq
) &&
2713 (!entry
|| trk
->vc1_info
.first_packet_entry
)) {
2714 /* First packet had the same headers as this one, readd the
2715 * sync sample flag. */
2716 trk
->cluster
[0].flags
|= MOV_SYNC_SAMPLE
;
2717 trk
->has_keyframes
= 1;
2721 if (trk
->vc1_info
.packet_seq
&& trk
->vc1_info
.packet_entry
)
2723 else if (trk
->vc1_info
.packet_seq
)
2725 else if (trk
->vc1_info
.packet_entry
)
2728 trk
->cluster
[trk
->entry
].flags
|= MOV_SYNC_SAMPLE
;
2729 trk
->has_keyframes
++;
2733 static int mov_flush_fragment(AVFormatContext
*s
)
2735 MOVMuxContext
*mov
= s
->priv_data
;
2736 int i
, first_track
= -1;
2737 int64_t mdat_size
= 0;
2739 if (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
2742 if (!(mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
) && mov
->fragments
== 0) {
2743 int64_t pos
= avio_tell(s
->pb
);
2745 AVIOContext
*moov_buf
;
2749 for (i
= 0; i
< mov
->nb_streams
; i
++)
2750 if (!mov
->tracks
[i
].entry
)
2752 /* Don't write the initial moov unless all tracks have data */
2753 if (i
< mov
->nb_streams
)
2756 if ((ret
= ffio_open_null_buf(&moov_buf
)) < 0)
2758 mov_write_moov_tag(moov_buf
, mov
, s
);
2759 buf_size
= ffio_close_null_buf(moov_buf
);
2760 for (i
= 0; i
< mov
->nb_streams
; i
++)
2761 mov
->tracks
[i
].data_offset
= pos
+ buf_size
+ 8;
2763 mov_write_moov_tag(s
->pb
, mov
, s
);
2765 buf_size
= avio_close_dyn_buf(mov
->mdat_buf
, &buf
);
2766 mov
->mdat_buf
= NULL
;
2767 avio_wb32(s
->pb
, buf_size
+ 8);
2768 ffio_wfourcc(s
->pb
, "mdat");
2769 avio_write(s
->pb
, buf
, buf_size
);
2774 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2775 if (mov
->tracks
[i
].entry
)
2776 mov
->tracks
[i
].frag_start
+= mov
->tracks
[i
].start_dts
+
2777 mov
->tracks
[i
].track_duration
-
2778 mov
->tracks
[i
].cluster
[0].dts
;
2779 mov
->tracks
[i
].entry
= 0;
2785 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2786 MOVTrack
*track
= &mov
->tracks
[i
];
2787 if (mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
)
2788 track
->data_offset
= 0;
2790 track
->data_offset
= mdat_size
;
2791 if (!track
->mdat_buf
)
2793 mdat_size
+= avio_tell(track
->mdat_buf
);
2794 if (first_track
< 0)
2801 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2802 MOVTrack
*track
= &mov
->tracks
[i
];
2803 int buf_size
, write_moof
= 1, moof_tracks
= -1;
2805 int64_t duration
= 0;
2808 duration
= track
->start_dts
+ track
->track_duration
-
2809 track
->cluster
[0].dts
;
2810 if (mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
) {
2811 if (!track
->mdat_buf
)
2813 mdat_size
= avio_tell(track
->mdat_buf
);
2816 write_moof
= i
== first_track
;
2820 MOVFragmentInfo
*info
;
2822 track
->nb_frag_info
++;
2823 if (track
->nb_frag_info
>= track
->frag_info_capacity
) {
2824 unsigned new_capacity
= track
->nb_frag_info
+ MOV_FRAG_INFO_ALLOC_INCREMENT
;
2825 if (av_reallocp_array(&track
->frag_info
,
2827 sizeof(*track
->frag_info
)))
2828 return AVERROR(ENOMEM
);
2829 track
->frag_info_capacity
= new_capacity
;
2831 info
= &track
->frag_info
[track
->nb_frag_info
- 1];
2832 info
->offset
= avio_tell(s
->pb
);
2833 info
->time
= mov
->tracks
[i
].frag_start
;
2834 info
->duration
= duration
;
2835 mov_write_tfrf_tags(s
->pb
, mov
, track
);
2837 mov_write_moof_tag(s
->pb
, mov
, moof_tracks
);
2838 info
->tfrf_offset
= track
->tfrf_offset
;
2841 avio_wb32(s
->pb
, mdat_size
+ 8);
2842 ffio_wfourcc(s
->pb
, "mdat");