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
29 #include "avio_internal.h"
34 #include "libavcodec/get_bits.h"
35 #include "libavcodec/put_bits.h"
36 #include "libavcodec/vc1_common.h"
37 #include "libavcodec/raw.h"
39 #include "libavutil/avstring.h"
40 #include "libavutil/intfloat.h"
41 #include "libavutil/mathematics.h"
42 #include "libavutil/opt.h"
43 #include "libavutil/dict.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/timecode.h"
53 static const AVOption options
[] = {
54 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext
, flags
), AV_OPT_TYPE_FLAGS
, {.i64
= 0}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
55 { "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" },
56 { "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 },
57 { "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" },
58 { "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" },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_DISABLE_CHPL
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
65 FF_RTP_FLAG_OPTS(MOVMuxContext
, rtp_flags
),
66 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext
, iods_skip
), AV_OPT_TYPE_INT
, {.i64
= 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM
},
67 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext
, iods_audio_profile
), AV_OPT_TYPE_INT
, {.i64
= -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM
},
68 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext
, iods_video_profile
), AV_OPT_TYPE_INT
, {.i64
= -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM
},
69 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext
, max_fragment_duration
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
70 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext
, min_fragment_duration
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
71 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext
, max_fragment_size
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
72 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext
, ism_lookahead
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
73 { "use_editlist", "use edit list", offsetof(MOVMuxContext
, use_editlist
), AV_OPT_TYPE_INT
, {.i64
= -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM
},
74 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext
, video_track_timescale
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
75 { "brand", "Override major brand", offsetof(MOVMuxContext
, major_brand
), AV_OPT_TYPE_STRING
, {.str
= NULL
}, .flags
= AV_OPT_FLAG_ENCODING_PARAM
},
79 #define MOV_CLASS(flavor)\
80 static const AVClass flavor ## _muxer_class = {\
81 .class_name = #flavor " muxer",\
82 .item_name = av_default_item_name,\
84 .version = LIBAVUTIL_VERSION_INT,\
87 static int get_moov_size(AVFormatContext
*s
);
89 static int utf8len(const uint8_t *b
)
94 GET_UTF8(val
, *b
++, return -1;)
100 //FIXME support 64 bit variant with wide placeholders
101 static int64_t update_size(AVIOContext
*pb
, int64_t pos
)
103 int64_t curpos
= avio_tell(pb
);
104 avio_seek(pb
, pos
, SEEK_SET
);
105 avio_wb32(pb
, curpos
- pos
); /* rewrite size */
106 avio_seek(pb
, curpos
, SEEK_SET
);
111 static int supports_edts(MOVMuxContext
*mov
)
113 // EDTS with fragments is tricky as we don't know the duration when its written
114 return (mov
->use_editlist
<0 && !(mov
->flags
& FF_MOV_FLAG_FRAGMENT
)) || mov
->use_editlist
>0;
117 static int co64_required(const MOVTrack
*track
)
119 if (track
->entry
> 0 && track
->cluster
[track
->entry
- 1].pos
+ track
->data_offset
> UINT32_MAX
)
124 /* Chunk offset atom */
125 static int mov_write_stco_tag(AVIOContext
*pb
, MOVTrack
*track
)
128 int mode64
= co64_required(track
); // use 32 bit size variant if possible
129 int64_t pos
= avio_tell(pb
);
130 avio_wb32(pb
, 0); /* size */
132 ffio_wfourcc(pb
, "co64");
134 ffio_wfourcc(pb
, "stco");
135 avio_wb32(pb
, 0); /* version & flags */
136 avio_wb32(pb
, track
->chunkCount
); /* entry count */
137 for (i
= 0; i
< track
->entry
; i
++) {
138 if (!track
->cluster
[i
].chunkNum
)
141 avio_wb64(pb
, track
->cluster
[i
].pos
+ track
->data_offset
);
143 avio_wb32(pb
, track
->cluster
[i
].pos
+ track
->data_offset
);
145 return update_size(pb
, pos
);
148 /* Sample size atom */
149 static int mov_write_stsz_tag(AVIOContext
*pb
, MOVTrack
*track
)
152 int i
, j
, entries
= 0, tst
= -1, oldtst
= -1;
154 int64_t pos
= avio_tell(pb
);
155 avio_wb32(pb
, 0); /* size */
156 ffio_wfourcc(pb
, "stsz");
157 avio_wb32(pb
, 0); /* version & flags */
159 for (i
= 0; i
< track
->entry
; i
++) {
160 tst
= track
->cluster
[i
].size
/ track
->cluster
[i
].entries
;
161 if (oldtst
!= -1 && tst
!= oldtst
)
164 entries
+= track
->cluster
[i
].entries
;
166 if (equalChunks
&& track
->entry
) {
167 int sSize
= track
->entry
? track
->cluster
[0].size
/ track
->cluster
[0].entries
: 0;
168 sSize
= FFMAX(1, sSize
); // adpcm mono case could make sSize == 0
169 avio_wb32(pb
, sSize
); // sample size
170 avio_wb32(pb
, entries
); // sample count
172 avio_wb32(pb
, 0); // sample size
173 avio_wb32(pb
, entries
); // sample count
174 for (i
= 0; i
< track
->entry
; i
++) {
175 for (j
= 0; j
< track
->cluster
[i
].entries
; j
++) {
176 avio_wb32(pb
, track
->cluster
[i
].size
/
177 track
->cluster
[i
].entries
);
181 return update_size(pb
, pos
);
184 /* Sample to chunk atom */
185 static int mov_write_stsc_tag(AVIOContext
*pb
, MOVTrack
*track
)
187 int index
= 0, oldval
= -1, i
;
188 int64_t entryPos
, curpos
;
190 int64_t pos
= avio_tell(pb
);
191 avio_wb32(pb
, 0); /* size */
192 ffio_wfourcc(pb
, "stsc");
193 avio_wb32(pb
, 0); // version & flags
194 entryPos
= avio_tell(pb
);
195 avio_wb32(pb
, track
->chunkCount
); // entry count
196 for (i
= 0; i
< track
->entry
; i
++) {
197 if (oldval
!= track
->cluster
[i
].samples_in_chunk
&& track
->cluster
[i
].chunkNum
) {
198 avio_wb32(pb
, track
->cluster
[i
].chunkNum
); // first chunk
199 avio_wb32(pb
, track
->cluster
[i
].samples_in_chunk
); // samples per chunk
200 avio_wb32(pb
, 0x1); // sample description index
201 oldval
= track
->cluster
[i
].samples_in_chunk
;
205 curpos
= avio_tell(pb
);
206 avio_seek(pb
, entryPos
, SEEK_SET
);
207 avio_wb32(pb
, index
); // rewrite size
208 avio_seek(pb
, curpos
, SEEK_SET
);
210 return update_size(pb
, pos
);
213 /* Sync sample atom */
214 static int mov_write_stss_tag(AVIOContext
*pb
, MOVTrack
*track
, uint32_t flag
)
216 int64_t curpos
, entryPos
;
218 int64_t pos
= avio_tell(pb
);
219 avio_wb32(pb
, 0); // size
220 ffio_wfourcc(pb
, flag
== MOV_SYNC_SAMPLE
? "stss" : "stps");
221 avio_wb32(pb
, 0); // version & flags
222 entryPos
= avio_tell(pb
);
223 avio_wb32(pb
, track
->entry
); // entry count
224 for (i
= 0; i
< track
->entry
; i
++) {
225 if (track
->cluster
[i
].flags
& flag
) {
226 avio_wb32(pb
, i
+ 1);
230 curpos
= avio_tell(pb
);
231 avio_seek(pb
, entryPos
, SEEK_SET
);
232 avio_wb32(pb
, index
); // rewrite size
233 avio_seek(pb
, curpos
, SEEK_SET
);
234 return update_size(pb
, pos
);
237 static int mov_write_amr_tag(AVIOContext
*pb
, MOVTrack
*track
)
239 avio_wb32(pb
, 0x11); /* size */
240 if (track
->mode
== MODE_MOV
) ffio_wfourcc(pb
, "samr");
241 else ffio_wfourcc(pb
, "damr");
242 ffio_wfourcc(pb
, "FFMP");
243 avio_w8(pb
, 0); /* decoder version */
245 avio_wb16(pb
, 0x81FF); /* Mode set (all modes for AMR_NB) */
246 avio_w8(pb
, 0x00); /* Mode change period (no restriction) */
247 avio_w8(pb
, 0x01); /* Frames per sample */
251 static int mov_write_ac3_tag(AVIOContext
*pb
, MOVTrack
*track
)
256 int fscod
, bsid
, bsmod
, acmod
, lfeon
, frmsizecod
;
258 if (track
->vos_len
< 7)
262 ffio_wfourcc(pb
, "dac3");
264 init_get_bits(&gbc
, track
->vos_data
+ 4, (track
->vos_len
- 4) * 8);
265 fscod
= get_bits(&gbc
, 2);
266 frmsizecod
= get_bits(&gbc
, 6);
267 bsid
= get_bits(&gbc
, 5);
268 bsmod
= get_bits(&gbc
, 3);
269 acmod
= get_bits(&gbc
, 3);
271 skip_bits(&gbc
, 2); // dsurmod
273 if ((acmod
& 1) && acmod
!= 1)
274 skip_bits(&gbc
, 2); // cmixlev
276 skip_bits(&gbc
, 2); // surmixlev
278 lfeon
= get_bits1(&gbc
);
280 init_put_bits(&pbc
, buf
, sizeof(buf
));
281 put_bits(&pbc
, 2, fscod
);
282 put_bits(&pbc
, 5, bsid
);
283 put_bits(&pbc
, 3, bsmod
);
284 put_bits(&pbc
, 3, acmod
);
285 put_bits(&pbc
, 1, lfeon
);
286 put_bits(&pbc
, 5, frmsizecod
>> 1); // bit_rate_code
287 put_bits(&pbc
, 5, 0); // reserved
289 flush_put_bits(&pbc
);
290 avio_write(pb
, buf
, sizeof(buf
));
296 * This function writes extradata "as is".
297 * Extradata must be formatted like a valid atom (with size and tag).
299 static int mov_write_extradata_tag(AVIOContext
*pb
, MOVTrack
*track
)
301 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
302 return track
->enc
->extradata_size
;
305 static int mov_write_enda_tag(AVIOContext
*pb
)
308 ffio_wfourcc(pb
, "enda");
309 avio_wb16(pb
, 1); /* little endian */
313 static int mov_write_enda_tag_be(AVIOContext
*pb
)
316 ffio_wfourcc(pb
, "enda");
317 avio_wb16(pb
, 0); /* big endian */
321 static void put_descr(AVIOContext
*pb
, int tag
, unsigned int size
)
326 avio_w8(pb
, (size
>> (7 * i
)) | 0x80);
327 avio_w8(pb
, size
& 0x7F);
330 static unsigned compute_avg_bitrate(MOVTrack
*track
)
334 if (!track
->track_duration
)
336 for (i
= 0; i
< track
->entry
; i
++)
337 size
+= track
->cluster
[i
].size
;
338 return size
* 8 * track
->timescale
/ track
->track_duration
;
341 static int mov_write_esds_tag(AVIOContext
*pb
, MOVTrack
*track
) // Basic
343 int64_t pos
= avio_tell(pb
);
344 int decoder_specific_info_len
= track
->vos_len
? 5 + track
->vos_len
: 0;
345 unsigned avg_bitrate
;
347 avio_wb32(pb
, 0); // size
348 ffio_wfourcc(pb
, "esds");
349 avio_wb32(pb
, 0); // Version
352 put_descr(pb
, 0x03, 3 + 5+13 + decoder_specific_info_len
+ 5+1);
353 avio_wb16(pb
, track
->track_id
);
354 avio_w8(pb
, 0x00); // flags (= no flags)
356 // DecoderConfig descriptor
357 put_descr(pb
, 0x04, 13 + decoder_specific_info_len
);
359 // Object type indication
360 if ((track
->enc
->codec_id
== AV_CODEC_ID_MP2
||
361 track
->enc
->codec_id
== AV_CODEC_ID_MP3
) &&
362 track
->enc
->sample_rate
> 24000)
363 avio_w8(pb
, 0x6B); // 11172-3
365 avio_w8(pb
, ff_codec_get_tag(ff_mp4_obj_type
, track
->enc
->codec_id
));
367 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
368 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
369 if (track
->enc
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
)
370 avio_w8(pb
, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
371 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
372 avio_w8(pb
, 0x15); // flags (= Audiostream)
374 avio_w8(pb
, 0x11); // flags (= Visualstream)
376 avio_wb24(pb
, track
->enc
->rc_buffer_size
>> 3); // Buffersize DB
378 avg_bitrate
= compute_avg_bitrate(track
);
379 // maxbitrate (FIXME should be max rate in any 1 sec window)
380 avio_wb32(pb
, FFMAX3(track
->enc
->bit_rate
, track
->enc
->rc_max_rate
, avg_bitrate
));
381 avio_wb32(pb
, avg_bitrate
);
383 if (track
->vos_len
) {
384 // DecoderSpecific info descriptor
385 put_descr(pb
, 0x05, track
->vos_len
);
386 avio_write(pb
, track
->vos_data
, track
->vos_len
);
390 put_descr(pb
, 0x06, 1);
392 return update_size(pb
, pos
);
395 static int mov_pcm_le_gt16(enum AVCodecID codec_id
)
397 return codec_id
== AV_CODEC_ID_PCM_S24LE
||
398 codec_id
== AV_CODEC_ID_PCM_S32LE
||
399 codec_id
== AV_CODEC_ID_PCM_F32LE
||
400 codec_id
== AV_CODEC_ID_PCM_F64LE
;
403 static int mov_pcm_be_gt16(enum AVCodecID codec_id
)
405 return codec_id
== AV_CODEC_ID_PCM_S24BE
||
406 codec_id
== AV_CODEC_ID_PCM_S32BE
||
407 codec_id
== AV_CODEC_ID_PCM_F32BE
||
408 codec_id
== AV_CODEC_ID_PCM_F64BE
;
411 static int mov_write_ms_tag(AVIOContext
*pb
, MOVTrack
*track
)
414 int64_t pos
= avio_tell(pb
);
416 avio_wl32(pb
, track
->tag
); // store it byteswapped
417 track
->enc
->codec_tag
= av_bswap16(track
->tag
>> 16);
418 if ((ret
= ff_put_wav_header(pb
, track
->enc
, 0)) < 0)
420 return update_size(pb
, pos
);
423 static int mov_write_wfex_tag(AVIOContext
*pb
, MOVTrack
*track
)
426 int64_t pos
= avio_tell(pb
);
428 ffio_wfourcc(pb
, "wfex");
429 if ((ret
= ff_put_wav_header(pb
, track
->enc
, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX
)) < 0)
431 return update_size(pb
, pos
);
434 static int mov_write_chan_tag(AVIOContext
*pb
, MOVTrack
*track
)
436 uint32_t layout_tag
, bitmap
;
437 int64_t pos
= avio_tell(pb
);
439 layout_tag
= ff_mov_get_channel_layout_tag(track
->enc
->codec_id
,
440 track
->enc
->channel_layout
,
443 av_log(track
->enc
, AV_LOG_WARNING
, "not writing 'chan' tag due to "
444 "lack of channel information\n");
448 if (track
->multichannel_as_mono
)
451 avio_wb32(pb
, 0); // Size
452 ffio_wfourcc(pb
, "chan"); // Type
453 avio_w8(pb
, 0); // Version
454 avio_wb24(pb
, 0); // Flags
455 avio_wb32(pb
, layout_tag
); // mChannelLayoutTag
456 avio_wb32(pb
, bitmap
); // mChannelBitmap
457 avio_wb32(pb
, 0); // mNumberChannelDescriptions
459 return update_size(pb
, pos
);
462 static int mov_write_wave_tag(AVIOContext
*pb
, MOVTrack
*track
)
464 int64_t pos
= avio_tell(pb
);
466 avio_wb32(pb
, 0); /* size */
467 ffio_wfourcc(pb
, "wave");
469 if (track
->enc
->codec_id
!= AV_CODEC_ID_QDM2
) {
470 avio_wb32(pb
, 12); /* size */
471 ffio_wfourcc(pb
, "frma");
472 avio_wl32(pb
, track
->tag
);
475 if (track
->enc
->codec_id
== AV_CODEC_ID_AAC
) {
476 /* useless atom needed by mplayer, ipod, not needed by quicktime */
477 avio_wb32(pb
, 12); /* size */
478 ffio_wfourcc(pb
, "mp4a");
480 mov_write_esds_tag(pb
, track
);
481 } else if (mov_pcm_le_gt16(track
->enc
->codec_id
)) {
482 mov_write_enda_tag(pb
);
483 } else if (mov_pcm_be_gt16(track
->enc
->codec_id
)) {
484 mov_write_enda_tag_be(pb
);
485 } else if (track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
) {
486 mov_write_amr_tag(pb
, track
);
487 } else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
) {
488 mov_write_ac3_tag(pb
, track
);
489 } else if (track
->enc
->codec_id
== AV_CODEC_ID_ALAC
||
490 track
->enc
->codec_id
== AV_CODEC_ID_QDM2
) {
491 mov_write_extradata_tag(pb
, track
);
492 } else if (track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
493 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
) {
494 mov_write_ms_tag(pb
, track
);
497 avio_wb32(pb
, 8); /* size */
498 avio_wb32(pb
, 0); /* null tag */
500 return update_size(pb
, pos
);
503 static int mov_write_dvc1_structs(MOVTrack
*track
, uint8_t *buf
)
506 const uint8_t *start
, *next
, *end
= track
->vos_data
+ track
->vos_len
;
507 int unescaped_size
, seq_found
= 0;
508 int level
= 0, interlace
= 0;
509 int packet_seq
= track
->vc1_info
.packet_seq
;
510 int packet_entry
= track
->vc1_info
.packet_entry
;
511 int slices
= track
->vc1_info
.slices
;
514 if (track
->start_dts
== AV_NOPTS_VALUE
) {
515 /* No packets written yet, vc1_info isn't authoritative yet. */
516 /* Assume inline sequence and entry headers. This will be
517 * overwritten at the end if the file is seekable. */
518 packet_seq
= packet_entry
= 1;
521 unescaped
= av_mallocz(track
->vos_len
+ FF_INPUT_BUFFER_PADDING_SIZE
);
523 return AVERROR(ENOMEM
);
524 start
= find_next_marker(track
->vos_data
, end
);
525 for (next
= start
; next
< end
; start
= next
) {
528 next
= find_next_marker(start
+ 4, end
);
529 size
= next
- start
- 4;
532 unescaped_size
= vc1_unescape_buffer(start
+ 4, size
, unescaped
);
533 init_get_bits(&gb
, unescaped
, 8 * unescaped_size
);
534 if (AV_RB32(start
) == VC1_CODE_SEQHDR
) {
535 int profile
= get_bits(&gb
, 2);
536 if (profile
!= PROFILE_ADVANCED
) {
538 return AVERROR(ENOSYS
);
541 level
= get_bits(&gb
, 3);
542 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
544 skip_bits_long(&gb
, 2 + 3 + 5 + 1 + 2*12);
545 skip_bits(&gb
, 1); /* broadcast */
546 interlace
= get_bits1(&gb
);
547 skip_bits(&gb
, 4); /* tfcntrflag, finterpflag, reserved, psf */
552 return AVERROR(ENOSYS
);
555 init_put_bits(&pbc
, buf
, 7);
556 /* VC1DecSpecStruc */
557 put_bits(&pbc
, 4, 12); /* profile - advanced */
558 put_bits(&pbc
, 3, level
);
559 put_bits(&pbc
, 1, 0); /* reserved */
560 /* VC1AdvDecSpecStruc */
561 put_bits(&pbc
, 3, level
);
562 put_bits(&pbc
, 1, 0); /* cbr */
563 put_bits(&pbc
, 6, 0); /* reserved */
564 put_bits(&pbc
, 1, !interlace
); /* no interlace */
565 put_bits(&pbc
, 1, !packet_seq
); /* no multiple seq */
566 put_bits(&pbc
, 1, !packet_entry
); /* no multiple entry */
567 put_bits(&pbc
, 1, !slices
); /* no slice code */
568 put_bits(&pbc
, 1, 0); /* no bframe */
569 put_bits(&pbc
, 1, 0); /* reserved */
572 if (track
->st
->avg_frame_rate
.num
> 0 && track
->st
->avg_frame_rate
.den
> 0)
573 put_bits32(&pbc
, track
->st
->avg_frame_rate
.num
/ track
->st
->avg_frame_rate
.den
);
575 put_bits32(&pbc
, 0xffffffff);
577 flush_put_bits(&pbc
);
584 static int mov_write_dvc1_tag(AVIOContext
*pb
, MOVTrack
*track
)
586 uint8_t buf
[7] = { 0 };
589 if ((ret
= mov_write_dvc1_structs(track
, buf
)) < 0)
592 avio_wb32(pb
, track
->vos_len
+ 8 + sizeof(buf
));
593 ffio_wfourcc(pb
, "dvc1");
594 track
->vc1_info
.struct_offset
= avio_tell(pb
);
595 avio_write(pb
, buf
, sizeof(buf
));
596 avio_write(pb
, track
->vos_data
, track
->vos_len
);
601 static int mov_write_glbl_tag(AVIOContext
*pb
, MOVTrack
*track
)
603 avio_wb32(pb
, track
->vos_len
+ 8);
604 ffio_wfourcc(pb
, "glbl");
605 avio_write(pb
, track
->vos_data
, track
->vos_len
);
606 return 8 + track
->vos_len
;
610 * Compute flags for 'lpcm' tag.
611 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
613 static int mov_get_lpcm_flags(enum AVCodecID codec_id
)
616 case AV_CODEC_ID_PCM_F32BE
:
617 case AV_CODEC_ID_PCM_F64BE
:
619 case AV_CODEC_ID_PCM_F32LE
:
620 case AV_CODEC_ID_PCM_F64LE
:
622 case AV_CODEC_ID_PCM_U8
:
624 case AV_CODEC_ID_PCM_S16BE
:
625 case AV_CODEC_ID_PCM_S24BE
:
626 case AV_CODEC_ID_PCM_S32BE
:
628 case AV_CODEC_ID_PCM_S8
:
629 case AV_CODEC_ID_PCM_S16LE
:
630 case AV_CODEC_ID_PCM_S24LE
:
631 case AV_CODEC_ID_PCM_S32LE
:
638 static int get_cluster_duration(MOVTrack
*track
, int cluster_idx
)
642 if (cluster_idx
>= track
->entry
)
645 if (cluster_idx
+ 1 == track
->entry
)
646 next_dts
= track
->track_duration
+ track
->start_dts
;
648 next_dts
= track
->cluster
[cluster_idx
+ 1].dts
;
650 next_dts
-= track
->cluster
[cluster_idx
].dts
;
652 av_assert0(next_dts
>= 0);
653 av_assert0(next_dts
<= INT_MAX
);
658 static int get_samples_per_packet(MOVTrack
*track
)
660 int i
, first_duration
;
662 // return track->enc->frame_size;
664 /* use 1 for raw PCM */
665 if (!track
->audio_vbr
)
668 /* check to see if duration is constant for all clusters */
671 first_duration
= get_cluster_duration(track
, 0);
672 for (i
= 1; i
< track
->entry
; i
++) {
673 if (get_cluster_duration(track
, i
) != first_duration
)
676 return first_duration
;
679 static int mov_write_audio_tag(AVIOContext
*pb
, MOVTrack
*track
)
681 int64_t pos
= avio_tell(pb
);
683 uint32_t tag
= track
->tag
;
685 if (track
->mode
== MODE_MOV
) {
686 if (track
->timescale
> UINT16_MAX
) {
687 if (mov_get_lpcm_flags(track
->enc
->codec_id
))
688 tag
= AV_RL32("lpcm");
690 } else if (track
->audio_vbr
|| mov_pcm_le_gt16(track
->enc
->codec_id
) ||
691 mov_pcm_be_gt16(track
->enc
->codec_id
) ||
692 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
693 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
||
694 track
->enc
->codec_id
== AV_CODEC_ID_QDM2
) {
699 avio_wb32(pb
, 0); /* size */
700 avio_wl32(pb
, tag
); // store it byteswapped
701 avio_wb32(pb
, 0); /* Reserved */
702 avio_wb16(pb
, 0); /* Reserved */
703 avio_wb16(pb
, 1); /* Data-reference index, XXX == 1 */
705 /* SoundDescription */
706 avio_wb16(pb
, version
); /* Version */
707 avio_wb16(pb
, 0); /* Revision level */
708 avio_wb32(pb
, 0); /* Reserved */
713 avio_wb16(pb
, 0xfffe);
715 avio_wb32(pb
, 0x00010000);
717 avio_wb64(pb
, av_double2int(track
->enc
->sample_rate
));
718 avio_wb32(pb
, track
->enc
->channels
);
719 avio_wb32(pb
, 0x7F000000);
720 avio_wb32(pb
, av_get_bits_per_sample(track
->enc
->codec_id
));
721 avio_wb32(pb
, mov_get_lpcm_flags(track
->enc
->codec_id
));
722 avio_wb32(pb
, track
->sample_size
);
723 avio_wb32(pb
, get_samples_per_packet(track
));
725 if (track
->mode
== MODE_MOV
) {
726 avio_wb16(pb
, track
->enc
->channels
);
727 if (track
->enc
->codec_id
== AV_CODEC_ID_PCM_U8
||
728 track
->enc
->codec_id
== AV_CODEC_ID_PCM_S8
)
729 avio_wb16(pb
, 8); /* bits per sample */
732 avio_wb16(pb
, track
->audio_vbr
? -2 : 0); /* compression ID */
733 } else { /* reserved for mp4/3gp */
739 avio_wb16(pb
, 0); /* packet size (= 0) */
740 avio_wb16(pb
, track
->enc
->sample_rate
<= UINT16_MAX
?
741 track
->enc
->sample_rate
: 0);
742 avio_wb16(pb
, 0); /* Reserved */
745 if (version
== 1) { /* SoundDescription V1 extended info */
746 if (mov_pcm_le_gt16(track
->enc
->codec_id
) ||
747 mov_pcm_be_gt16(track
->enc
->codec_id
))
748 avio_wb32(pb
, 1); /* must be 1 for uncompressed formats */
750 avio_wb32(pb
, track
->enc
->frame_size
); /* Samples per packet */
751 avio_wb32(pb
, track
->sample_size
/ track
->enc
->channels
); /* Bytes per packet */
752 avio_wb32(pb
, track
->sample_size
); /* Bytes per frame */
753 avio_wb32(pb
, 2); /* Bytes per sample */
756 if (track
->mode
== MODE_MOV
&&
757 (track
->enc
->codec_id
== AV_CODEC_ID_AAC
||
758 track
->enc
->codec_id
== AV_CODEC_ID_AC3
||
759 track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
||
760 track
->enc
->codec_id
== AV_CODEC_ID_ALAC
||
761 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
762 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
||
763 track
->enc
->codec_id
== AV_CODEC_ID_QDM2
||
764 (mov_pcm_le_gt16(track
->enc
->codec_id
) && version
==1) ||
765 (mov_pcm_be_gt16(track
->enc
->codec_id
) && version
==1)))
766 mov_write_wave_tag(pb
, track
);
767 else if (track
->tag
== MKTAG('m','p','4','a'))
768 mov_write_esds_tag(pb
, track
);
769 else if (track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
)
770 mov_write_amr_tag(pb
, track
);
771 else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
)
772 mov_write_ac3_tag(pb
, track
);
773 else if (track
->enc
->codec_id
== AV_CODEC_ID_ALAC
)
774 mov_write_extradata_tag(pb
, track
);
775 else if (track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
)
776 mov_write_wfex_tag(pb
, track
);
777 else if (track
->vos_len
> 0)
778 mov_write_glbl_tag(pb
, track
);
780 if (track
->mode
== MODE_MOV
&& track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
781 mov_write_chan_tag(pb
, track
);
783 return update_size(pb
, pos
);
786 static int mov_write_d263_tag(AVIOContext
*pb
)
788 avio_wb32(pb
, 0xf); /* size */
789 ffio_wfourcc(pb
, "d263");
790 ffio_wfourcc(pb
, "FFMP");
791 avio_w8(pb
, 0); /* decoder version */
792 /* FIXME use AVCodecContext level/profile, when encoder will set values */
793 avio_w8(pb
, 0xa); /* level */
794 avio_w8(pb
, 0); /* profile */
798 static int mov_write_avcc_tag(AVIOContext
*pb
, MOVTrack
*track
)
800 int64_t pos
= avio_tell(pb
);
803 ffio_wfourcc(pb
, "avcC");
804 ff_isom_write_avcc(pb
, track
->vos_data
, track
->vos_len
);
805 return update_size(pb
, pos
);
808 static int mov_write_hvcc_tag(AVIOContext
*pb
, MOVTrack
*track
)
810 int64_t pos
= avio_tell(pb
);
813 ffio_wfourcc(pb
, "hvcC");
814 ff_isom_write_hvcc(pb
, track
->vos_data
, track
->vos_len
, 0);
815 return update_size(pb
, pos
);
818 /* also used by all avid codecs (dv, imx, meridien) and their variants */
819 static int mov_write_avid_tag(AVIOContext
*pb
, MOVTrack
*track
)
822 avio_wb32(pb
, 24); /* size */
823 ffio_wfourcc(pb
, "ACLR");
824 ffio_wfourcc(pb
, "ACLR");
825 ffio_wfourcc(pb
, "0001");
826 if (track
->enc
->color_range
== AVCOL_RANGE_MPEG
) { /* Legal range (16-235) */
827 avio_wb32(pb
, 1); /* Corresponds to 709 in official encoder */
828 } else { /* Full range (0-255) */
829 avio_wb32(pb
, 2); /* Corresponds to RGB in official encoder */
831 avio_wb32(pb
, 0); /* unknown */
833 avio_wb32(pb
, 24); /* size */
834 ffio_wfourcc(pb
, "APRG");
835 ffio_wfourcc(pb
, "APRG");
836 ffio_wfourcc(pb
, "0001");
837 avio_wb32(pb
, 1); /* unknown */
838 avio_wb32(pb
, 0); /* unknown */
840 avio_wb32(pb
, 120); /* size */
841 ffio_wfourcc(pb
, "ARES");
842 ffio_wfourcc(pb
, "ARES");
843 ffio_wfourcc(pb
, "0001");
844 avio_wb32(pb
, AV_RB32(track
->vos_data
+ 0x28)); /* dnxhd cid, some id ? */
845 avio_wb32(pb
, track
->enc
->width
);
846 /* values below are based on samples created with quicktime and avid codecs */
847 if (track
->vos_data
[5] & 2) { // interlaced
848 avio_wb32(pb
, track
->enc
->height
/ 2);
849 avio_wb32(pb
, 2); /* unknown */
850 avio_wb32(pb
, 0); /* unknown */
851 avio_wb32(pb
, 4); /* unknown */
853 avio_wb32(pb
, track
->enc
->height
);
854 avio_wb32(pb
, 1); /* unknown */
855 avio_wb32(pb
, 0); /* unknown */
856 if (track
->enc
->height
== 1080)
857 avio_wb32(pb
, 5); /* unknown */
859 avio_wb32(pb
, 6); /* unknown */
862 for (i
= 0; i
< 10; i
++)
865 /* extra padding for stsd needed */
870 static int mp4_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
872 int tag
= track
->enc
->codec_tag
;
874 if (!ff_codec_get_tag(ff_mp4_obj_type
, track
->enc
->codec_id
))
877 if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) tag
= MKTAG('a','v','c','1');
878 else if (track
->enc
->codec_id
== AV_CODEC_ID_HEVC
) tag
= MKTAG('h','e','v','1');
879 else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
) tag
= MKTAG('a','c','-','3');
880 else if (track
->enc
->codec_id
== AV_CODEC_ID_DIRAC
) tag
= MKTAG('d','r','a','c');
881 else if (track
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
) tag
= MKTAG('t','x','3','g');
882 else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
) tag
= MKTAG('v','c','-','1');
883 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) tag
= MKTAG('m','p','4','v');
884 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) tag
= MKTAG('m','p','4','a');
885 else if (track
->enc
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
) tag
= MKTAG('m','p','4','s');
890 static const AVCodecTag codec_ipod_tags
[] = {
891 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
892 { AV_CODEC_ID_MPEG4
, MKTAG('m','p','4','v') },
893 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
894 { AV_CODEC_ID_ALAC
, MKTAG('a','l','a','c') },
895 { AV_CODEC_ID_AC3
, MKTAG('a','c','-','3') },
896 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','x','3','g') },
897 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','e','x','t') },
898 { AV_CODEC_ID_NONE
, 0 },
901 static int ipod_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
903 int tag
= track
->enc
->codec_tag
;
905 // keep original tag for subs, ipod supports both formats
906 if (!(track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
&&
907 (tag
== MKTAG('t', 'x', '3', 'g') ||
908 tag
== MKTAG('t', 'e', 'x', 't'))))
909 tag
= ff_codec_get_tag(codec_ipod_tags
, track
->enc
->codec_id
);
911 if (!av_match_ext(s
->filename
, "m4a") &&
912 !av_match_ext(s
->filename
, "m4b") &&
913 !av_match_ext(s
->filename
, "m4v"))
914 av_log(s
, AV_LOG_WARNING
, "Warning, extension is not .m4a, .m4v nor .m4b "
915 "Quicktime/Ipod might not play the file\n");
920 static int mov_get_dv_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
924 if (track
->enc
->width
== 720) { /* SD */
925 if (track
->enc
->height
== 480) { /* NTSC */
926 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) tag
= MKTAG('d','v','5','n');
927 else tag
= MKTAG('d','v','c',' ');
928 }else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) tag
= MKTAG('d','v','5','p');
929 else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV420P
) tag
= MKTAG('d','v','c','p');
930 else tag
= MKTAG('d','v','p','p');
931 } else if (track
->enc
->height
== 720) { /* HD 720 line */
932 if (track
->st
->time_base
.den
== 50) tag
= MKTAG('d','v','h','q');
933 else tag
= MKTAG('d','v','h','p');
934 } else if (track
->enc
->height
== 1080) { /* HD 1080 line */
935 if (track
->st
->time_base
.den
== 25) tag
= MKTAG('d','v','h','5');
936 else tag
= MKTAG('d','v','h','6');
938 av_log(s
, AV_LOG_ERROR
, "unsupported height for dv codec\n");
945 static AVRational
find_fps(AVFormatContext
*s
, AVStream
*st
)
947 AVRational rate
= {st
->codec
->time_base
.den
, st
->codec
->time_base
.num
};
948 /* if the codec time base makes no sense, try to fallback on stream frame rate */
949 if (av_timecode_check_frame_rate(rate
) < 0) {
950 av_log(s
, AV_LOG_DEBUG
, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
951 rate
.num
, rate
.den
, st
->avg_frame_rate
.num
, st
->avg_frame_rate
.den
);
952 rate
= st
->avg_frame_rate
;
958 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
960 int tag
= track
->enc
->codec_tag
;
961 int interlaced
= track
->enc
->field_order
> AV_FIELD_PROGRESSIVE
;
962 AVStream
*st
= track
->st
;
963 int rate
= av_q2d(find_fps(s
, st
));
966 tag
= MKTAG('m', '2', 'v', '1'); //fallback tag
968 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV420P
) {
969 if (track
->enc
->width
== 1280 && track
->enc
->height
== 720) {
971 if (rate
== 24) tag
= MKTAG('x','d','v','4');
972 else if (rate
== 25) tag
= MKTAG('x','d','v','5');
973 else if (rate
== 30) tag
= MKTAG('x','d','v','1');
974 else if (rate
== 50) tag
= MKTAG('x','d','v','a');
975 else if (rate
== 60) tag
= MKTAG('x','d','v','9');
977 } else if (track
->enc
->width
== 1440 && track
->enc
->height
== 1080) {
979 if (rate
== 24) tag
= MKTAG('x','d','v','6');
980 else if (rate
== 25) tag
= MKTAG('x','d','v','7');
981 else if (rate
== 30) tag
= MKTAG('x','d','v','8');
983 if (rate
== 25) tag
= MKTAG('x','d','v','3');
984 else if (rate
== 30) tag
= MKTAG('x','d','v','2');
986 } else if (track
->enc
->width
== 1920 && track
->enc
->height
== 1080) {
988 if (rate
== 24) tag
= MKTAG('x','d','v','d');
989 else if (rate
== 25) tag
= MKTAG('x','d','v','e');
990 else if (rate
== 30) tag
= MKTAG('x','d','v','f');
992 if (rate
== 25) tag
= MKTAG('x','d','v','c');
993 else if (rate
== 30) tag
= MKTAG('x','d','v','b');
996 } else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) {
997 if (track
->enc
->width
== 1280 && track
->enc
->height
== 720) {
999 if (rate
== 24) tag
= MKTAG('x','d','5','4');
1000 else if (rate
== 25) tag
= MKTAG('x','d','5','5');
1001 else if (rate
== 30) tag
= MKTAG('x','d','5','1');
1002 else if (rate
== 50) tag
= MKTAG('x','d','5','a');
1003 else if (rate
== 60) tag
= MKTAG('x','d','5','9');
1005 } else if (track
->enc
->width
== 1920 && track
->enc
->height
== 1080) {
1007 if (rate
== 24) tag
= MKTAG('x','d','5','d');
1008 else if (rate
== 25) tag
= MKTAG('x','d','5','e');
1009 else if (rate
== 30) tag
= MKTAG('x','d','5','f');
1011 if (rate
== 25) tag
= MKTAG('x','d','5','c');
1012 else if (rate
== 30) tag
= MKTAG('x','d','5','b');
1020 static const struct {
1021 enum AVPixelFormat pix_fmt
;
1024 } mov_pix_fmt_tags
[] = {
1025 { AV_PIX_FMT_YUYV422
, MKTAG('y','u','v','2'), 0 },
1026 { AV_PIX_FMT_YUYV422
, MKTAG('y','u','v','s'), 0 },
1027 { AV_PIX_FMT_UYVY422
, MKTAG('2','v','u','y'), 0 },
1028 { AV_PIX_FMT_RGB555BE
,MKTAG('r','a','w',' '), 16 },
1029 { AV_PIX_FMT_RGB555LE
,MKTAG('L','5','5','5'), 16 },
1030 { AV_PIX_FMT_RGB565LE
,MKTAG('L','5','6','5'), 16 },
1031 { AV_PIX_FMT_RGB565BE
,MKTAG('B','5','6','5'), 16 },
1032 { AV_PIX_FMT_GRAY16BE
,MKTAG('b','1','6','g'), 16 },
1033 { AV_PIX_FMT_RGB24
, MKTAG('r','a','w',' '), 24 },
1034 { AV_PIX_FMT_BGR24
, MKTAG('2','4','B','G'), 24 },
1035 { AV_PIX_FMT_ARGB
, MKTAG('r','a','w',' '), 32 },
1036 { AV_PIX_FMT_BGRA
, MKTAG('B','G','R','A'), 32 },
1037 { AV_PIX_FMT_RGBA
, MKTAG('R','G','B','A'), 32 },
1038 { AV_PIX_FMT_ABGR
, MKTAG('A','B','G','R'), 32 },
1039 { AV_PIX_FMT_RGB48BE
, MKTAG('b','4','8','r'), 48 },
1042 static int mov_get_rawvideo_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1044 int tag
= track
->enc
->codec_tag
;
1046 enum AVPixelFormat pix_fmt
;
1048 for (i
= 0; i
< FF_ARRAY_ELEMS(mov_pix_fmt_tags
); i
++) {
1049 if (track
->enc
->pix_fmt
== mov_pix_fmt_tags
[i
].pix_fmt
) {
1050 tag
= mov_pix_fmt_tags
[i
].tag
;
1051 track
->enc
->bits_per_coded_sample
= mov_pix_fmt_tags
[i
].bps
;
1052 if (track
->enc
->codec_tag
== mov_pix_fmt_tags
[i
].tag
)
1057 pix_fmt
= avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov
,
1058 track
->enc
->bits_per_coded_sample
);
1059 if (tag
== MKTAG('r','a','w',' ') &&
1060 track
->enc
->pix_fmt
!= pix_fmt
&&
1061 track
->enc
->pix_fmt
!= AV_PIX_FMT_NONE
)
1062 av_log(s
, AV_LOG_ERROR
, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1063 av_get_pix_fmt_name(track
->enc
->pix_fmt
));
1067 static int mov_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1069 int tag
= track
->enc
->codec_tag
;
1071 if (!tag
|| (track
->enc
->strict_std_compliance
>= FF_COMPLIANCE_NORMAL
&&
1072 (track
->enc
->codec_id
== AV_CODEC_ID_DVVIDEO
||
1073 track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
||
1074 track
->enc
->codec_id
== AV_CODEC_ID_H263
||
1075 track
->enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
||
1076 av_get_bits_per_sample(track
->enc
->codec_id
)))) { // pcm audio
1077 if (track
->enc
->codec_id
== AV_CODEC_ID_DVVIDEO
)
1078 tag
= mov_get_dv_codec_tag(s
, track
);
1079 else if (track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
)
1080 tag
= mov_get_rawvideo_codec_tag(s
, track
);
1081 else if (track
->enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
)
1082 tag
= mov_get_mpeg2_xdcam_codec_tag(s
, track
);
1083 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1084 tag
= ff_codec_get_tag(ff_codec_movvideo_tags
, track
->enc
->codec_id
);
1085 if (!tag
) { // if no mac fcc found, try with Microsoft tags
1086 tag
= ff_codec_get_tag(ff_codec_bmp_tags
, track
->enc
->codec_id
);
1088 av_log(s
, AV_LOG_WARNING
, "Using MS style video codec tag, "
1089 "the file may be unplayable!\n");
1091 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1092 tag
= ff_codec_get_tag(ff_codec_movaudio_tags
, track
->enc
->codec_id
);
1093 if (!tag
) { // if no mac fcc found, try with Microsoft tags
1094 int ms_tag
= ff_codec_get_tag(ff_codec_wav_tags
, track
->enc
->codec_id
);
1096 tag
= MKTAG('m', 's', ((ms_tag
>> 8) & 0xff), (ms_tag
& 0xff));
1097 av_log(s
, AV_LOG_WARNING
, "Using MS style audio codec tag, "
1098 "the file may be unplayable!\n");
1101 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)
1102 tag
= ff_codec_get_tag(ff_codec_movsubtitle_tags
, track
->enc
->codec_id
);
1108 static const AVCodecTag codec_3gp_tags
[] = {
1109 { AV_CODEC_ID_H263
, MKTAG('s','2','6','3') },
1110 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
1111 { AV_CODEC_ID_MPEG4
, MKTAG('m','p','4','v') },
1112 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
1113 { AV_CODEC_ID_AMR_NB
, MKTAG('s','a','m','r') },
1114 { AV_CODEC_ID_AMR_WB
, MKTAG('s','a','w','b') },
1115 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','x','3','g') },
1116 { AV_CODEC_ID_NONE
, 0 },
1119 static const AVCodecTag codec_f4v_tags
[] = { // XXX: add GIF/PNG/JPEG?
1120 { AV_CODEC_ID_MP3
, MKTAG('.','m','p','3') },
1121 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
1122 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
1123 { AV_CODEC_ID_VP6A
, MKTAG('V','P','6','A') },
1124 { AV_CODEC_ID_VP6F
, MKTAG('V','P','6','F') },
1125 { AV_CODEC_ID_NONE
, 0 },
1128 static int mov_find_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1132 if (track
->mode
== MODE_MP4
|| track
->mode
== MODE_PSP
)
1133 tag
= mp4_get_codec_tag(s
, track
);
1134 else if (track
->mode
== MODE_ISM
) {
1135 tag
= mp4_get_codec_tag(s
, track
);
1136 if (!tag
&& track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
)
1137 tag
= MKTAG('w', 'm', 'a', ' ');
1138 } else if (track
->mode
== MODE_IPOD
)
1139 tag
= ipod_get_codec_tag(s
, track
);
1140 else if (track
->mode
& MODE_3GP
)
1141 tag
= ff_codec_get_tag(codec_3gp_tags
, track
->enc
->codec_id
);
1142 else if (track
->mode
== MODE_F4V
)
1143 tag
= ff_codec_get_tag(codec_f4v_tags
, track
->enc
->codec_id
);
1145 tag
= mov_get_codec_tag(s
, track
);
1150 /** Write uuid atom.
1151 * Needed to make file play in iPods running newest firmware
1152 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1154 static int mov_write_uuid_tag_ipod(AVIOContext
*pb
)
1157 ffio_wfourcc(pb
, "uuid");
1158 avio_wb32(pb
, 0x6b6840f2);
1159 avio_wb32(pb
, 0x5f244fc5);
1160 avio_wb32(pb
, 0xba39a51b);
1161 avio_wb32(pb
, 0xcf0323f3);
1166 static const uint16_t fiel_data
[] = {
1167 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1170 static int mov_write_fiel_tag(AVIOContext
*pb
, MOVTrack
*track
)
1172 unsigned mov_field_order
= 0;
1173 if (track
->enc
->field_order
< FF_ARRAY_ELEMS(fiel_data
))
1174 mov_field_order
= fiel_data
[track
->enc
->field_order
];
1178 ffio_wfourcc(pb
, "fiel");
1179 avio_wb16(pb
, mov_field_order
);
1183 static int mov_write_subtitle_tag(AVIOContext
*pb
, MOVTrack
*track
)
1185 int64_t pos
= avio_tell(pb
);
1186 avio_wb32(pb
, 0); /* size */
1187 avio_wl32(pb
, track
->tag
); // store it byteswapped
1188 avio_wb32(pb
, 0); /* Reserved */
1189 avio_wb16(pb
, 0); /* Reserved */
1190 avio_wb16(pb
, 1); /* Data-reference index */
1192 if (track
->enc
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
)
1193 mov_write_esds_tag(pb
, track
);
1194 else if (track
->enc
->extradata_size
)
1195 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
1197 return update_size(pb
, pos
);
1200 static int mov_write_pasp_tag(AVIOContext
*pb
, MOVTrack
*track
)
1203 av_reduce(&sar
.num
, &sar
.den
, track
->enc
->sample_aspect_ratio
.num
,
1204 track
->enc
->sample_aspect_ratio
.den
, INT_MAX
);
1207 ffio_wfourcc(pb
, "pasp");
1208 avio_wb32(pb
, sar
.num
);
1209 avio_wb32(pb
, sar
.den
);
1213 static void find_compressor(char * compressor_name
, int len
, MOVTrack
*track
)
1215 AVDictionaryEntry
*encoder
;
1216 int xdcam_res
= (track
->enc
->width
== 1280 && track
->enc
->height
== 720)
1217 || (track
->enc
->width
== 1440 && track
->enc
->height
== 1080)
1218 || (track
->enc
->width
== 1920 && track
->enc
->height
== 1080);
1220 if (track
->mode
== MODE_MOV
&&
1221 (encoder
= av_dict_get(track
->st
->metadata
, "encoder", NULL
, 0))) {
1222 av_strlcpy(compressor_name
, encoder
->value
, 32);
1223 } else if (track
->enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
&& xdcam_res
) {
1224 int interlaced
= track
->enc
->field_order
> AV_FIELD_PROGRESSIVE
;
1225 AVStream
*st
= track
->st
;
1226 int rate
= av_q2d(find_fps(NULL
, st
));
1227 av_strlcatf(compressor_name
, len
, "XDCAM");
1228 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) {
1229 av_strlcatf(compressor_name
, len
, " HD422");
1230 } else if(track
->enc
->width
== 1440) {
1231 av_strlcatf(compressor_name
, len
, " HD");
1233 av_strlcatf(compressor_name
, len
, " EX");
1235 av_strlcatf(compressor_name
, len
, " %d%c", track
->enc
->height
, interlaced
? 'i' : 'p');
1237 av_strlcatf(compressor_name
, len
, "%d", rate
* (interlaced
+ 1));
1241 static int mov_write_video_tag(AVIOContext
*pb
, MOVTrack
*track
)
1243 int64_t pos
= avio_tell(pb
);
1244 char compressor_name
[32] = { 0 };
1246 avio_wb32(pb
, 0); /* size */
1247 avio_wl32(pb
, track
->tag
); // store it byteswapped
1248 avio_wb32(pb
, 0); /* Reserved */
1249 avio_wb16(pb
, 0); /* Reserved */
1250 avio_wb16(pb
, 1); /* Data-reference index */
1252 avio_wb16(pb
, 0); /* Codec stream version */
1253 avio_wb16(pb
, 0); /* Codec stream revision (=0) */
1254 if (track
->mode
== MODE_MOV
) {
1255 ffio_wfourcc(pb
, "FFMP"); /* Vendor */
1256 if (track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
) {
1257 avio_wb32(pb
, 0); /* Temporal Quality */
1258 avio_wb32(pb
, 0x400); /* Spatial Quality = lossless*/
1260 avio_wb32(pb
, 0x200); /* Temporal Quality = normal */
1261 avio_wb32(pb
, 0x200); /* Spatial Quality = normal */
1264 avio_wb32(pb
, 0); /* Reserved */
1265 avio_wb32(pb
, 0); /* Reserved */
1266 avio_wb32(pb
, 0); /* Reserved */
1268 avio_wb16(pb
, track
->enc
->width
); /* Video width */
1269 avio_wb16(pb
, track
->height
); /* Video height */
1270 avio_wb32(pb
, 0x00480000); /* Horizontal resolution 72dpi */
1271 avio_wb32(pb
, 0x00480000); /* Vertical resolution 72dpi */
1272 avio_wb32(pb
, 0); /* Data size (= 0) */
1273 avio_wb16(pb
, 1); /* Frame count (= 1) */
1275 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1276 find_compressor(compressor_name
, 32, track
);
1277 avio_w8(pb
, strlen(compressor_name
));
1278 avio_write(pb
, compressor_name
, 31);
1280 if (track
->mode
== MODE_MOV
&& track
->enc
->bits_per_coded_sample
)
1281 avio_wb16(pb
, track
->enc
->bits_per_coded_sample
);
1283 avio_wb16(pb
, 0x18); /* Reserved */
1284 avio_wb16(pb
, 0xffff); /* Reserved */
1285 if (track
->tag
== MKTAG('m','p','4','v'))
1286 mov_write_esds_tag(pb
, track
);
1287 else if (track
->enc
->codec_id
== AV_CODEC_ID_H263
)
1288 mov_write_d263_tag(pb
);
1289 else if (track
->enc
->codec_id
== AV_CODEC_ID_AVUI
||
1290 track
->enc
->codec_id
== AV_CODEC_ID_SVQ3
) {
1291 mov_write_extradata_tag(pb
, track
);
1293 } else if (track
->enc
->codec_id
== AV_CODEC_ID_DNXHD
)
1294 mov_write_avid_tag(pb
, track
);
1295 else if (track
->enc
->codec_id
== AV_CODEC_ID_HEVC
)
1296 mov_write_hvcc_tag(pb
, track
);
1297 else if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) {
1298 mov_write_avcc_tag(pb
, track
);
1299 if (track
->mode
== MODE_IPOD
)
1300 mov_write_uuid_tag_ipod(pb
);
1301 } else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
&& track
->vos_len
> 0)
1302 mov_write_dvc1_tag(pb
, track
);
1303 else if (track
->enc
->codec_id
== AV_CODEC_ID_VP6F
||
1304 track
->enc
->codec_id
== AV_CODEC_ID_VP6A
) {
1305 /* Don't write any potential extradata here - the cropping
1306 * is signalled via the normal width/height fields. */
1307 } else if (track
->vos_len
> 0)
1308 mov_write_glbl_tag(pb
, track
);
1310 if (track
->enc
->codec_id
!= AV_CODEC_ID_H264
&&
1311 track
->enc
->codec_id
!= AV_CODEC_ID_MPEG4
&&
1312 track
->enc
->codec_id
!= AV_CODEC_ID_DNXHD
)
1313 if (track
->enc
->field_order
!= AV_FIELD_UNKNOWN
)
1314 mov_write_fiel_tag(pb
, track
);
1316 if (track
->enc
->sample_aspect_ratio
.den
&& track
->enc
->sample_aspect_ratio
.num
&&
1317 track
->enc
->sample_aspect_ratio
.den
!= track
->enc
->sample_aspect_ratio
.num
) {
1318 mov_write_pasp_tag(pb
, track
);
1321 return update_size(pb
, pos
);
1324 static int mov_write_rtp_tag(AVIOContext
*pb
, MOVTrack
*track
)
1326 int64_t pos
= avio_tell(pb
);
1327 avio_wb32(pb
, 0); /* size */
1328 ffio_wfourcc(pb
, "rtp ");
1329 avio_wb32(pb
, 0); /* Reserved */
1330 avio_wb16(pb
, 0); /* Reserved */
1331 avio_wb16(pb
, 1); /* Data-reference index */
1333 avio_wb16(pb
, 1); /* Hint track version */
1334 avio_wb16(pb
, 1); /* Highest compatible version */
1335 avio_wb32(pb
, track
->max_packet_size
); /* Max packet size */
1337 avio_wb32(pb
, 12); /* size */
1338 ffio_wfourcc(pb
, "tims");
1339 avio_wb32(pb
, track
->timescale
);
1341 return update_size(pb
, pos
);
1344 static int mov_write_source_reference_tag(AVIOContext
*pb
, MOVTrack
*track
, const char *reel_name
)
1346 uint64_t str_size
=strlen(reel_name
);
1347 int64_t pos
= avio_tell(pb
);
1349 if (str_size
>= UINT16_MAX
){
1350 av_log(NULL
, AV_LOG_ERROR
, "reel_name length %"PRIu64
" is too large\n", str_size
);
1352 return AVERROR(EINVAL
);
1355 avio_wb32(pb
, 0); /* size */
1356 ffio_wfourcc(pb
, "name"); /* Data format */
1357 avio_wb16(pb
, str_size
); /* string size */
1358 avio_wb16(pb
, track
->language
); /* langcode */
1359 avio_write(pb
, reel_name
, str_size
); /* reel name */
1360 return update_size(pb
,pos
);
1363 static int mov_write_tmcd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1365 int64_t pos
= avio_tell(pb
);
1367 int frame_duration
= av_rescale(track
->timescale
, track
->enc
->time_base
.num
, track
->enc
->time_base
.den
);
1368 int nb_frames
= 1.0/av_q2d(track
->enc
->time_base
) + 0.5;
1369 AVDictionaryEntry
*t
= NULL
;
1371 if (nb_frames
> 255) {
1372 av_log(NULL
, AV_LOG_ERROR
, "fps %d is too large\n", nb_frames
);
1373 return AVERROR(EINVAL
);
1376 avio_wb32(pb
, 0); /* size */
1377 ffio_wfourcc(pb
, "tmcd"); /* Data format */
1378 avio_wb32(pb
, 0); /* Reserved */
1379 avio_wb32(pb
, 1); /* Data reference index */
1380 avio_wb32(pb
, 0); /* Flags */
1381 avio_wb32(pb
, track
->timecode_flags
); /* Flags (timecode) */
1382 avio_wb32(pb
, track
->timescale
); /* Timescale */
1383 avio_wb32(pb
, frame_duration
); /* Frame duration */
1384 avio_w8(pb
, nb_frames
); /* Number of frames */
1385 avio_w8(pb
, 0); /* Reserved */
1388 t
= av_dict_get(track
->st
->metadata
, "reel_name", NULL
, 0);
1390 if (t
&& utf8len(t
->value
))
1391 mov_write_source_reference_tag(pb
, track
, t
->value
);
1393 avio_wb16(pb
, 0); /* zero size */
1396 avio_wb32(pb
, 0); /* size */
1397 ffio_wfourcc(pb
, "tmcd"); /* Data format */
1398 avio_wb32(pb
, 0); /* Reserved */
1399 avio_wb32(pb
, 1); /* Data reference index */
1400 if (track
->enc
->extradata_size
)
1401 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
1403 return update_size(pb
, pos
);
1406 static int mov_write_stsd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1408 int64_t pos
= avio_tell(pb
);
1409 avio_wb32(pb
, 0); /* size */
1410 ffio_wfourcc(pb
, "stsd");
1411 avio_wb32(pb
, 0); /* version & flags */
1412 avio_wb32(pb
, 1); /* entry count */
1413 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
1414 mov_write_video_tag(pb
, track
);
1415 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1416 mov_write_audio_tag(pb
, track
);
1417 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)
1418 mov_write_subtitle_tag(pb
, track
);
1419 else if (track
->enc
->codec_tag
== MKTAG('r','t','p',' '))
1420 mov_write_rtp_tag(pb
, track
);
1421 else if (track
->enc
->codec_tag
== MKTAG('t','m','c','d'))
1422 mov_write_tmcd_tag(pb
, track
);
1423 return update_size(pb
, pos
);
1426 static int mov_write_ctts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1428 MOVStts
*ctts_entries
;
1429 uint32_t entries
= 0;
1433 ctts_entries
= av_malloc_array((track
->entry
+ 1), sizeof(*ctts_entries
)); /* worst case */
1434 ctts_entries
[0].count
= 1;
1435 ctts_entries
[0].duration
= track
->cluster
[0].cts
;
1436 for (i
= 1; i
< track
->entry
; i
++) {
1437 if (track
->cluster
[i
].cts
== ctts_entries
[entries
].duration
) {
1438 ctts_entries
[entries
].count
++; /* compress */
1441 ctts_entries
[entries
].duration
= track
->cluster
[i
].cts
;
1442 ctts_entries
[entries
].count
= 1;
1445 entries
++; /* last one */
1446 atom_size
= 16 + (entries
* 8);
1447 avio_wb32(pb
, atom_size
); /* size */
1448 ffio_wfourcc(pb
, "ctts");
1449 avio_wb32(pb
, 0); /* version & flags */
1450 avio_wb32(pb
, entries
); /* entry count */
1451 for (i
= 0; i
< entries
; i
++) {
1452 avio_wb32(pb
, ctts_entries
[i
].count
);
1453 avio_wb32(pb
, ctts_entries
[i
].duration
);
1455 av_free(ctts_entries
);
1459 /* Time to sample atom */
1460 static int mov_write_stts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1462 MOVStts
*stts_entries
;
1463 uint32_t entries
= -1;
1467 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
&& !track
->audio_vbr
) {
1468 stts_entries
= av_malloc(sizeof(*stts_entries
)); /* one entry */
1469 stts_entries
[0].count
= track
->sample_count
;
1470 stts_entries
[0].duration
= 1;
1473 stts_entries
= track
->entry
?
1474 av_malloc_array(track
->entry
, sizeof(*stts_entries
)) : /* worst case */
1476 for (i
= 0; i
< track
->entry
; i
++) {
1477 int duration
= get_cluster_duration(track
, i
);
1478 if (i
&& duration
== stts_entries
[entries
].duration
) {
1479 stts_entries
[entries
].count
++; /* compress */
1482 stts_entries
[entries
].duration
= duration
;
1483 stts_entries
[entries
].count
= 1;
1486 entries
++; /* last one */
1488 atom_size
= 16 + (entries
* 8);
1489 avio_wb32(pb
, atom_size
); /* size */
1490 ffio_wfourcc(pb
, "stts");
1491 avio_wb32(pb
, 0); /* version & flags */
1492 avio_wb32(pb
, entries
); /* entry count */
1493 for (i
= 0; i
< entries
; i
++) {
1494 avio_wb32(pb
, stts_entries
[i
].count
);
1495 avio_wb32(pb
, stts_entries
[i
].duration
);
1497 av_free(stts_entries
);
1501 static int mov_write_dref_tag(AVIOContext
*pb
)
1503 avio_wb32(pb
, 28); /* size */
1504 ffio_wfourcc(pb
, "dref");
1505 avio_wb32(pb
, 0); /* version & flags */
1506 avio_wb32(pb
, 1); /* entry count */
1508 avio_wb32(pb
, 0xc); /* size */
1509 //FIXME add the alis and rsrc atom
1510 ffio_wfourcc(pb
, "url ");
1511 avio_wb32(pb
, 1); /* version & flags */
1516 static int mov_write_stbl_tag(AVIOContext
*pb
, MOVTrack
*track
)
1518 int64_t pos
= avio_tell(pb
);
1519 avio_wb32(pb
, 0); /* size */
1520 ffio_wfourcc(pb
, "stbl");
1521 mov_write_stsd_tag(pb
, track
);
1522 mov_write_stts_tag(pb
, track
);
1523 if ((track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
1524 track
->enc
->codec_tag
== MKTAG('r','t','p',' ')) &&
1525 track
->has_keyframes
&& track
->has_keyframes
< track
->entry
)
1526 mov_write_stss_tag(pb
, track
, MOV_SYNC_SAMPLE
);
1527 if (track
->mode
== MODE_MOV
&& track
->flags
& MOV_TRACK_STPS
)
1528 mov_write_stss_tag(pb
, track
, MOV_PARTIAL_SYNC_SAMPLE
);
1529 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
1530 track
->flags
& MOV_TRACK_CTTS
)
1531 mov_write_ctts_tag(pb
, track
);
1532 mov_write_stsc_tag(pb
, track
);
1533 mov_write_stsz_tag(pb
, track
);
1534 mov_write_stco_tag(pb
, track
);
1535 return update_size(pb
, pos
);
1538 static int mov_write_dinf_tag(AVIOContext
*pb
)
1540 int64_t pos
= avio_tell(pb
);
1541 avio_wb32(pb
, 0); /* size */
1542 ffio_wfourcc(pb
, "dinf");
1543 mov_write_dref_tag(pb
);
1544 return update_size(pb
, pos
);
1547 static int mov_write_nmhd_tag(AVIOContext
*pb
)
1550 ffio_wfourcc(pb
, "nmhd");
1555 static int mov_write_tcmi_tag(AVIOContext
*pb
, MOVTrack
*track
)
1557 int64_t pos
= avio_tell(pb
);
1558 const char *font
= "Lucida Grande";
1559 avio_wb32(pb
, 0); /* size */
1560 ffio_wfourcc(pb
, "tcmi"); /* timecode media information atom */
1561 avio_wb32(pb
, 0); /* version & flags */
1562 avio_wb16(pb
, 0); /* text font */
1563 avio_wb16(pb
, 0); /* text face */
1564 avio_wb16(pb
, 12); /* text size */
1565 avio_wb16(pb
, 0); /* (unknown, not in the QT specs...) */
1566 avio_wb16(pb
, 0x0000); /* text color (red) */
1567 avio_wb16(pb
, 0x0000); /* text color (green) */
1568 avio_wb16(pb
, 0x0000); /* text color (blue) */
1569 avio_wb16(pb
, 0xffff); /* background color (red) */
1570 avio_wb16(pb
, 0xffff); /* background color (green) */
1571 avio_wb16(pb
, 0xffff); /* background color (blue) */
1572 avio_w8(pb
, strlen(font
)); /* font len (part of the pascal string) */
1573 avio_write(pb
, font
, strlen(font
)); /* font name */
1574 return update_size(pb
, pos
);
1577 static int mov_write_gmhd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1579 int64_t pos
= avio_tell(pb
);
1580 avio_wb32(pb
, 0); /* size */
1581 ffio_wfourcc(pb
, "gmhd");
1582 avio_wb32(pb
, 0x18); /* gmin size */
1583 ffio_wfourcc(pb
, "gmin");/* generic media info */
1584 avio_wb32(pb
, 0); /* version & flags */
1585 avio_wb16(pb
, 0x40); /* graphics mode = */
1586 avio_wb16(pb
, 0x8000); /* opColor (r?) */
1587 avio_wb16(pb
, 0x8000); /* opColor (g?) */
1588 avio_wb16(pb
, 0x8000); /* opColor (b?) */
1589 avio_wb16(pb
, 0); /* balance */
1590 avio_wb16(pb
, 0); /* reserved */
1593 * This special text atom is required for
1594 * Apple Quicktime chapters. The contents
1595 * don't appear to be documented, so the
1596 * bytes are copied verbatim.
1598 if (track
->tag
!= MKTAG('c','6','0','8')) {
1599 avio_wb32(pb
, 0x2C); /* size */
1600 ffio_wfourcc(pb
, "text");
1601 avio_wb16(pb
, 0x01);
1602 avio_wb32(pb
, 0x00);
1603 avio_wb32(pb
, 0x00);
1604 avio_wb32(pb
, 0x00);
1605 avio_wb32(pb
, 0x01);
1606 avio_wb32(pb
, 0x00);
1607 avio_wb32(pb
, 0x00);
1608 avio_wb32(pb
, 0x00);
1609 avio_wb32(pb
, 0x00004000);
1610 avio_wb16(pb
, 0x0000);
1613 if (track
->enc
->codec_tag
== MKTAG('t','m','c','d')) {
1614 int64_t tmcd_pos
= avio_tell(pb
);
1615 avio_wb32(pb
, 0); /* size */
1616 ffio_wfourcc(pb
, "tmcd");
1617 mov_write_tcmi_tag(pb
, track
);
1618 update_size(pb
, tmcd_pos
);
1620 return update_size(pb
, pos
);
1623 static int mov_write_smhd_tag(AVIOContext
*pb
)
1625 avio_wb32(pb
, 16); /* size */
1626 ffio_wfourcc(pb
, "smhd");
1627 avio_wb32(pb
, 0); /* version & flags */
1628 avio_wb16(pb
, 0); /* reserved (balance, normally = 0) */
1629 avio_wb16(pb
, 0); /* reserved */
1633 static int mov_write_vmhd_tag(AVIOContext
*pb
)
1635 avio_wb32(pb
, 0x14); /* size (always 0x14) */
1636 ffio_wfourcc(pb
, "vmhd");
1637 avio_wb32(pb
, 0x01); /* version & flags */
1638 avio_wb64(pb
, 0); /* reserved (graphics mode = copy) */
1642 static int is_clcp_track(MOVTrack
*track
)
1644 return track
->tag
== MKTAG('c','7','0','8') ||
1645 track
->tag
== MKTAG('c','6','0','8');
1648 static int mov_write_hdlr_tag(AVIOContext
*pb
, MOVTrack
*track
)
1650 const char *hdlr
, *descr
= NULL
, *hdlr_type
= NULL
;
1651 int64_t pos
= avio_tell(pb
);
1655 descr
= "DataHandler";
1658 hdlr
= (track
->mode
== MODE_MOV
) ? "mhlr" : "\0\0\0\0";
1659 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1661 descr
= "VideoHandler";
1662 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1664 descr
= "SoundHandler";
1665 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
1666 if (is_clcp_track(track
)) {
1668 descr
= "ClosedCaptionHandler";
1670 if (track
->tag
== MKTAG('t','x','3','g')) {
1672 } else if (track
->tag
== MKTAG('m','p','4','s')) {
1677 descr
= "SubtitleHandler";
1679 } else if (track
->enc
->codec_tag
== MKTAG('r','t','p',' ')) {
1681 descr
= "HintHandler";
1682 } else if (track
->enc
->codec_tag
== MKTAG('t','m','c','d')) {
1684 descr
= "TimeCodeHandler";
1687 av_get_codec_tag_string(tag_buf
, sizeof(tag_buf
),
1688 track
->enc
->codec_tag
);
1690 av_log(track
->enc
, AV_LOG_WARNING
,
1691 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1692 tag_buf
, track
->enc
->codec_tag
);
1695 // hdlr.name is used by some players to identify the content title
1696 // of the track. So if an alternate handler description is
1697 // specified, use it.
1698 AVDictionaryEntry
*t
;
1699 t
= av_dict_get(track
->st
->metadata
, "handler", NULL
, 0);
1700 if (t
&& utf8len(t
->value
))
1705 avio_wb32(pb
, 0); /* size */
1706 ffio_wfourcc(pb
, "hdlr");
1707 avio_wb32(pb
, 0); /* Version & flags */
1708 avio_write(pb
, hdlr
, 4); /* handler */
1709 ffio_wfourcc(pb
, hdlr_type
); /* handler type */
1710 avio_wb32(pb
, 0); /* reserved */
1711 avio_wb32(pb
, 0); /* reserved */
1712 avio_wb32(pb
, 0); /* reserved */
1713 if (!track
|| track
->mode
== MODE_MOV
)
1714 avio_w8(pb
, strlen(descr
)); /* pascal string */
1715 avio_write(pb
, descr
, strlen(descr
)); /* handler description */
1716 if (track
&& track
->mode
!= MODE_MOV
)
1717 avio_w8(pb
, 0); /* c string */
1718 return update_size(pb
, pos
);
1721 static int mov_write_hmhd_tag(AVIOContext
*pb
)
1723 /* This atom must be present, but leaving the values at zero
1724 * seems harmless. */
1725 avio_wb32(pb
, 28); /* size */
1726 ffio_wfourcc(pb
, "hmhd");
1727 avio_wb32(pb
, 0); /* version, flags */
1728 avio_wb16(pb
, 0); /* maxPDUsize */
1729 avio_wb16(pb
, 0); /* avgPDUsize */
1730 avio_wb32(pb
, 0); /* maxbitrate */
1731 avio_wb32(pb
, 0); /* avgbitrate */
1732 avio_wb32(pb
, 0); /* reserved */
1736 static int mov_write_minf_tag(AVIOContext
*pb
, MOVTrack
*track
)
1738 int64_t pos
= avio_tell(pb
);
1739 avio_wb32(pb
, 0); /* size */
1740 ffio_wfourcc(pb
, "minf");
1741 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
1742 mov_write_vmhd_tag(pb
);
1743 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1744 mov_write_smhd_tag(pb
);
1745 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
1746 if (track
->tag
== MKTAG('t','e','x','t') || is_clcp_track(track
)) {
1747 mov_write_gmhd_tag(pb
, track
);
1749 mov_write_nmhd_tag(pb
);
1751 } else if (track
->tag
== MKTAG('r','t','p',' ')) {
1752 mov_write_hmhd_tag(pb
);
1753 } else if (track
->tag
== MKTAG('t','m','c','d')) {
1754 mov_write_gmhd_tag(pb
, track
);
1756 if (track
->mode
== MODE_MOV
) /* FIXME: Why do it for MODE_MOV only ? */
1757 mov_write_hdlr_tag(pb
, NULL
);
1758 mov_write_dinf_tag(pb
);
1759 mov_write_stbl_tag(pb
, track
);
1760 return update_size(pb
, pos
);
1763 static int mov_write_mdhd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1765 int version
= track
->track_duration
< INT32_MAX
? 0 : 1;
1767 if (track
->mode
== MODE_ISM
)
1770 (version
== 1) ? avio_wb32(pb
, 44) : avio_wb32(pb
, 32); /* size */
1771 ffio_wfourcc(pb
, "mdhd");
1772 avio_w8(pb
, version
);
1773 avio_wb24(pb
, 0); /* flags */
1775 avio_wb64(pb
, track
->time
);
1776 avio_wb64(pb
, track
->time
);
1778 avio_wb32(pb
, track
->time
); /* creation time */
1779 avio_wb32(pb
, track
->time
); /* modification time */
1781 avio_wb32(pb
, track
->timescale
); /* time scale (sample rate for audio) */
1783 (version
== 1) ? avio_wb64(pb
, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb
, 0xffffffff);
1785 (version
== 1) ? avio_wb64(pb
, track
->track_duration
) : avio_wb32(pb
, track
->track_duration
); /* duration */
1786 avio_wb16(pb
, track
->language
); /* language */
1787 avio_wb16(pb
, 0); /* reserved (quality) */
1789 if (version
!= 0 && track
->mode
== MODE_MOV
) {
1790 av_log(NULL
, AV_LOG_ERROR
,
1791 "FATAL error, file duration too long for timebase, this file will not be\n"
1792 "playable with quicktime. Choose a different timebase or a different\n"
1793 "container format\n");
1799 static int mov_write_mdia_tag(AVIOContext
*pb
, MOVTrack
*track
)
1801 int64_t pos
= avio_tell(pb
);
1802 avio_wb32(pb
, 0); /* size */
1803 ffio_wfourcc(pb
, "mdia");
1804 mov_write_mdhd_tag(pb
, track
);
1805 mov_write_hdlr_tag(pb
, track
);
1806 mov_write_minf_tag(pb
, track
);
1807 return update_size(pb
, pos
);
1810 /* transformation matrix
1814 static void write_matrix(AVIOContext
*pb
, int16_t a
, int16_t b
, int16_t c
,
1815 int16_t d
, int16_t tx
, int16_t ty
)
1817 avio_wb32(pb
, a
<< 16); /* 16.16 format */
1818 avio_wb32(pb
, b
<< 16); /* 16.16 format */
1819 avio_wb32(pb
, 0); /* u in 2.30 format */
1820 avio_wb32(pb
, c
<< 16); /* 16.16 format */
1821 avio_wb32(pb
, d
<< 16); /* 16.16 format */
1822 avio_wb32(pb
, 0); /* v in 2.30 format */
1823 avio_wb32(pb
, tx
<< 16); /* 16.16 format */
1824 avio_wb32(pb
, ty
<< 16); /* 16.16 format */
1825 avio_wb32(pb
, 1 << 30); /* w in 2.30 format */
1828 static int mov_write_tkhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
1829 MOVTrack
*track
, AVStream
*st
)
1831 int64_t duration
= av_rescale_rnd(track
->track_duration
, MOV_TIMESCALE
,
1832 track
->timescale
, AV_ROUND_UP
);
1833 int version
= duration
< INT32_MAX
? 0 : 1;
1834 int flags
= MOV_TKHD_FLAG_IN_MOVIE
;
1840 if (mov
->per_stream_grouping
)
1843 group
= st
->codec
->codec_type
;
1846 if (track
->flags
& MOV_TRACK_ENABLED
)
1847 flags
|= MOV_TKHD_FLAG_ENABLED
;
1849 if (track
->mode
== MODE_ISM
)
1852 (version
== 1) ? avio_wb32(pb
, 104) : avio_wb32(pb
, 92); /* size */
1853 ffio_wfourcc(pb
, "tkhd");
1854 avio_w8(pb
, version
);
1855 avio_wb24(pb
, flags
);
1857 avio_wb64(pb
, track
->time
);
1858 avio_wb64(pb
, track
->time
);
1860 avio_wb32(pb
, track
->time
); /* creation time */
1861 avio_wb32(pb
, track
->time
); /* modification time */
1863 avio_wb32(pb
, track
->track_id
); /* track-id */
1864 avio_wb32(pb
, 0); /* reserved */
1866 (version
== 1) ? avio_wb64(pb
, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb
, 0xffffffff);
1868 (version
== 1) ? avio_wb64(pb
, duration
) : avio_wb32(pb
, duration
);
1870 avio_wb32(pb
, 0); /* reserved */
1871 avio_wb32(pb
, 0); /* reserved */
1872 avio_wb16(pb
, 0); /* layer */
1873 avio_wb16(pb
, group
); /* alternate group) */
1874 /* Volume, only for audio */
1875 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1876 avio_wb16(pb
, 0x0100);
1879 avio_wb16(pb
, 0); /* reserved */
1881 /* Matrix structure */
1882 if (st
&& st
->metadata
) {
1883 AVDictionaryEntry
*rot
= av_dict_get(st
->metadata
, "rotate", NULL
, 0);
1884 rotation
= (rot
&& rot
->value
) ? atoi(rot
->value
) : 0;
1886 if (rotation
== 90) {
1887 write_matrix(pb
, 0, 1, -1, 0, track
->enc
->height
, 0);
1888 } else if (rotation
== 180) {
1889 write_matrix(pb
, -1, 0, 0, -1, track
->enc
->width
, track
->enc
->height
);
1890 } else if (rotation
== 270) {
1891 write_matrix(pb
, 0, -1, 1, 0, 0, track
->enc
->width
);
1893 write_matrix(pb
, 1, 0, 0, 1, 0, 0);
1895 /* Track width and height, for visual only */
1896 if (st
&& (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
1897 track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)) {
1898 if (track
->mode
== MODE_MOV
) {
1899 avio_wb32(pb
, track
->enc
->width
<< 16);
1900 avio_wb32(pb
, track
->height
<< 16);
1902 double sample_aspect_ratio
= av_q2d(st
->sample_aspect_ratio
);
1903 if (!sample_aspect_ratio
|| track
->height
!= track
->enc
->height
)
1904 sample_aspect_ratio
= 1;
1905 avio_wb32(pb
, sample_aspect_ratio
* track
->enc
->width
* 0x10000);
1906 avio_wb32(pb
, track
->height
* 0x10000);
1915 static int mov_write_tapt_tag(AVIOContext
*pb
, MOVTrack
*track
)
1917 int32_t width
= av_rescale(track
->enc
->sample_aspect_ratio
.num
, track
->enc
->width
,
1918 track
->enc
->sample_aspect_ratio
.den
);
1920 int64_t pos
= avio_tell(pb
);
1922 avio_wb32(pb
, 0); /* size */
1923 ffio_wfourcc(pb
, "tapt");
1926 ffio_wfourcc(pb
, "clef");
1928 avio_wb32(pb
, width
<< 16);
1929 avio_wb32(pb
, track
->enc
->height
<< 16);
1932 ffio_wfourcc(pb
, "prof");
1934 avio_wb32(pb
, width
<< 16);
1935 avio_wb32(pb
, track
->enc
->height
<< 16);
1938 ffio_wfourcc(pb
, "enof");
1940 avio_wb32(pb
, track
->enc
->width
<< 16);
1941 avio_wb32(pb
, track
->enc
->height
<< 16);
1943 return update_size(pb
, pos
);
1946 // This box seems important for the psp playback ... without it the movie seems to hang
1947 static int mov_write_edts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1949 int64_t duration
= av_rescale_rnd(track
->track_duration
, MOV_TIMESCALE
,
1950 track
->timescale
, AV_ROUND_UP
);
1951 int version
= duration
< INT32_MAX
? 0 : 1;
1952 int entry_size
, entry_count
, size
;
1953 int64_t delay
, start_ct
= track
->cluster
[0].cts
;
1954 delay
= av_rescale_rnd(track
->cluster
[0].dts
+ start_ct
, MOV_TIMESCALE
,
1955 track
->timescale
, AV_ROUND_DOWN
);
1956 version
|= delay
< INT32_MAX
? 0 : 1;
1958 entry_size
= (version
== 1) ? 20 : 12;
1959 entry_count
= 1 + (delay
> 0);
1960 size
= 24 + entry_count
* entry_size
;
1962 /* write the atom data */
1963 avio_wb32(pb
, size
);
1964 ffio_wfourcc(pb
, "edts");
1965 avio_wb32(pb
, size
- 8);
1966 ffio_wfourcc(pb
, "elst");
1967 avio_w8(pb
, version
);
1968 avio_wb24(pb
, 0); /* flags */
1970 avio_wb32(pb
, entry_count
);
1971 if (delay
> 0) { /* add an empty edit to delay presentation */
1973 avio_wb64(pb
, delay
);
1976 avio_wb32(pb
, delay
);
1979 avio_wb32(pb
, 0x00010000);
1981 av_assert0(av_rescale_rnd(track
->cluster
[0].dts
, MOV_TIMESCALE
, track
->timescale
, AV_ROUND_DOWN
) <= 0);
1982 start_ct
= -FFMIN(track
->cluster
[0].dts
, 0); //FFMIN needed due to rounding
1988 avio_wb64(pb
, duration
);
1989 avio_wb64(pb
, start_ct
);
1991 avio_wb32(pb
, duration
);
1992 avio_wb32(pb
, start_ct
);
1994 avio_wb32(pb
, 0x00010000);
1998 static int mov_write_tref_tag(AVIOContext
*pb
, MOVTrack
*track
)
2000 avio_wb32(pb
, 20); // size
2001 ffio_wfourcc(pb
, "tref");
2002 avio_wb32(pb
, 12); // size (subatom)
2003 avio_wl32(pb
, track
->tref_tag
);
2004 avio_wb32(pb
, track
->tref_id
);
2008 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2009 static int mov_write_uuid_tag_psp(AVIOContext
*pb
, MOVTrack
*mov
)
2011 avio_wb32(pb
, 0x34); /* size ... reports as 28 in mp4box! */
2012 ffio_wfourcc(pb
, "uuid");
2013 ffio_wfourcc(pb
, "USMT");
2014 avio_wb32(pb
, 0x21d24fce);
2015 avio_wb32(pb
, 0xbb88695c);
2016 avio_wb32(pb
, 0xfac9c740);
2017 avio_wb32(pb
, 0x1c); // another size here!
2018 ffio_wfourcc(pb
, "MTDT");
2019 avio_wb32(pb
, 0x00010012);
2020 avio_wb32(pb
, 0x0a);
2021 avio_wb32(pb
, 0x55c40000);
2027 static int mov_write_udta_sdp(AVIOContext
*pb
, MOVTrack
*track
)
2029 AVFormatContext
*ctx
= track
->rtp_ctx
;
2030 char buf
[1000] = "";
2033 ff_sdp_write_media(buf
, sizeof(buf
), ctx
->streams
[0], track
->src_track
,
2034 NULL
, NULL
, 0, 0, ctx
);
2035 av_strlcatf(buf
, sizeof(buf
), "a=control:streamid=%d\r\n", track
->track_id
);
2038 avio_wb32(pb
, len
+ 24);
2039 ffio_wfourcc(pb
, "udta");
2040 avio_wb32(pb
, len
+ 16);
2041 ffio_wfourcc(pb
, "hnti");
2042 avio_wb32(pb
, len
+ 8);
2043 ffio_wfourcc(pb
, "sdp ");
2044 avio_write(pb
, buf
, len
);
2048 static int mov_write_track_metadata(AVIOContext
*pb
, AVStream
*st
,
2049 const char *tag
, const char *str
)
2051 int64_t pos
= avio_tell(pb
);
2052 AVDictionaryEntry
*t
= av_dict_get(st
->metadata
, str
, NULL
, 0);
2053 if (!t
|| !utf8len(t
->value
))
2056 avio_wb32(pb
, 0); /* size */
2057 ffio_wfourcc(pb
, tag
); /* type */
2058 avio_write(pb
, t
->value
, strlen(t
->value
)); /* UTF8 string value */
2059 return update_size(pb
, pos
);
2062 static int mov_write_track_udta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2065 AVIOContext
*pb_buf
;
2069 if (!st
|| mov
->fc
->flags
& AVFMT_FLAG_BITEXACT
)
2072 ret
= avio_open_dyn_buf(&pb_buf
);
2076 if (mov
->mode
& MODE_MP4
)
2077 mov_write_track_metadata(pb_buf
, st
, "name", "title");
2079 if ((size
= avio_close_dyn_buf(pb_buf
, &buf
)) > 0) {
2080 avio_wb32(pb
, size
+ 8);
2081 ffio_wfourcc(pb
, "udta");
2082 avio_write(pb
, buf
, size
);
2089 static int mov_write_trak_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2090 MOVTrack
*track
, AVStream
*st
)
2092 int64_t pos
= avio_tell(pb
);
2093 avio_wb32(pb
, 0); /* size */
2094 ffio_wfourcc(pb
, "trak");
2095 mov_write_tkhd_tag(pb
, mov
, track
, st
);
2096 if (supports_edts(mov
))
2097 mov_write_edts_tag(pb
, track
); // PSP Movies and several other cases require edts box
2098 if (track
->tref_tag
)
2099 mov_write_tref_tag(pb
, track
);
2100 mov_write_mdia_tag(pb
, track
);
2101 if (track
->mode
== MODE_PSP
)
2102 mov_write_uuid_tag_psp(pb
, track
); // PSP Movies require this uuid box
2103 if (track
->tag
== MKTAG('r','t','p',' '))
2104 mov_write_udta_sdp(pb
, track
);
2105 if (track
->mode
== MODE_MOV
) {
2106 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
2107 double sample_aspect_ratio
= av_q2d(st
->sample_aspect_ratio
);
2108 if (st
->sample_aspect_ratio
.num
&& 1.0 != sample_aspect_ratio
) {
2109 mov_write_tapt_tag(pb
, track
);
2112 if (is_clcp_track(track
) && st
->sample_aspect_ratio
.num
) {
2113 mov_write_tapt_tag(pb
, track
);
2116 mov_write_track_udta_tag(pb
, mov
, st
);
2117 return update_size(pb
, pos
);
2120 static int mov_write_iods_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2122 int i
, has_audio
= 0, has_video
= 0;
2123 int64_t pos
= avio_tell(pb
);
2124 int audio_profile
= mov
->iods_audio_profile
;
2125 int video_profile
= mov
->iods_video_profile
;
2126 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2127 if (mov
->tracks
[i
].entry
> 0) {
2128 has_audio
|= mov
->tracks
[i
].enc
->codec_type
== AVMEDIA_TYPE_AUDIO
;
2129 has_video
|= mov
->tracks
[i
].enc
->codec_type
== AVMEDIA_TYPE_VIDEO
;
2132 if (audio_profile
< 0)
2133 audio_profile
= 0xFF - has_audio
;
2134 if (video_profile
< 0)
2135 video_profile
= 0xFF - has_video
;
2136 avio_wb32(pb
, 0x0); /* size */
2137 ffio_wfourcc(pb
, "iods");
2138 avio_wb32(pb
, 0); /* version & flags */
2139 put_descr(pb
, 0x10, 7);
2140 avio_wb16(pb
, 0x004f);
2143 avio_w8(pb
, audio_profile
);
2144 avio_w8(pb
, video_profile
);
2146 return update_size(pb
, pos
);
2149 static int mov_write_trex_tag(AVIOContext
*pb
, MOVTrack
*track
)
2151 avio_wb32(pb
, 0x20); /* size */
2152 ffio_wfourcc(pb
, "trex");
2153 avio_wb32(pb
, 0); /* version & flags */
2154 avio_wb32(pb
, track
->track_id
); /* track ID */
2155 avio_wb32(pb
, 1); /* default sample description index */
2156 avio_wb32(pb
, 0); /* default sample duration */
2157 avio_wb32(pb
, 0); /* default sample size */
2158 avio_wb32(pb
, 0); /* default sample flags */
2162 static int mov_write_mvex_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2164 int64_t pos
= avio_tell(pb
);
2166 avio_wb32(pb
, 0x0); /* size */
2167 ffio_wfourcc(pb
, "mvex");
2168 for (i
= 0; i
< mov
->nb_streams
; i
++)
2169 mov_write_trex_tag(pb
, &mov
->tracks
[i
]);
2170 return update_size(pb
, pos
);
2173 static int mov_write_mvhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2175 int max_track_id
= 1, i
;
2176 int64_t max_track_len_temp
, max_track_len
= 0;
2179 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2180 if (mov
->tracks
[i
].entry
> 0 && mov
->tracks
[i
].timescale
) {
2181 max_track_len_temp
= av_rescale_rnd(mov
->tracks
[i
].track_duration
,
2183 mov
->tracks
[i
].timescale
,
2185 if (max_track_len
< max_track_len_temp
)
2186 max_track_len
= max_track_len_temp
;
2187 if (max_track_id
< mov
->tracks
[i
].track_id
)
2188 max_track_id
= mov
->tracks
[i
].track_id
;
2192 version
= max_track_len
< UINT32_MAX
? 0 : 1;
2193 (version
== 1) ? avio_wb32(pb
, 120) : avio_wb32(pb
, 108); /* size */
2194 ffio_wfourcc(pb
, "mvhd");
2195 avio_w8(pb
, version
);
2196 avio_wb24(pb
, 0); /* flags */
2198 avio_wb64(pb
, mov
->time
);
2199 avio_wb64(pb
, mov
->time
);
2201 avio_wb32(pb
, mov
->time
); /* creation time */
2202 avio_wb32(pb
, mov
->time
); /* modification time */
2204 avio_wb32(pb
, MOV_TIMESCALE
);
2205 (version
== 1) ? avio_wb64(pb
, max_track_len
) : avio_wb32(pb
, max_track_len
); /* duration of longest track */
2207 avio_wb32(pb
, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2208 avio_wb16(pb
, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2209 avio_wb16(pb
, 0); /* reserved */
2210 avio_wb32(pb
, 0); /* reserved */
2211 avio_wb32(pb
, 0); /* reserved */
2213 /* Matrix structure */
2214 write_matrix(pb
, 1, 0, 0, 1, 0, 0);
2216 avio_wb32(pb
, 0); /* reserved (preview time) */
2217 avio_wb32(pb
, 0); /* reserved (preview duration) */
2218 avio_wb32(pb
, 0); /* reserved (poster time) */
2219 avio_wb32(pb
, 0); /* reserved (selection time) */
2220 avio_wb32(pb
, 0); /* reserved (selection duration) */
2221 avio_wb32(pb
, 0); /* reserved (current time) */
2222 avio_wb32(pb
, max_track_id
+ 1); /* Next track id */
2226 static int mov_write_itunes_hdlr_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2229 avio_wb32(pb
, 33); /* size */
2230 ffio_wfourcc(pb
, "hdlr");
2233 ffio_wfourcc(pb
, "mdir");
2234 ffio_wfourcc(pb
, "appl");
2241 /* helper function to write a data tag with the specified string as data */
2242 static int mov_write_string_data_tag(AVIOContext
*pb
, const char *data
, int lang
, int long_style
)
2245 int size
= 16 + strlen(data
);
2246 avio_wb32(pb
, size
); /* size */
2247 ffio_wfourcc(pb
, "data");
2250 avio_write(pb
, data
, strlen(data
));
2254 lang
= ff_mov_iso639_to_lang("und", 1);
2255 avio_wb16(pb
, strlen(data
)); /* string length */
2256 avio_wb16(pb
, lang
);
2257 avio_write(pb
, data
, strlen(data
));
2258 return strlen(data
) + 4;
2262 static int mov_write_string_tag(AVIOContext
*pb
, const char *name
,
2263 const char *value
, int lang
, int long_style
)
2266 if (value
&& value
[0]) {
2267 int64_t pos
= avio_tell(pb
);
2268 avio_wb32(pb
, 0); /* size */
2269 ffio_wfourcc(pb
, name
);
2270 mov_write_string_data_tag(pb
, value
, lang
, long_style
);
2271 size
= update_size(pb
, pos
);
2276 static int mov_write_string_metadata(AVFormatContext
*s
, AVIOContext
*pb
,
2277 const char *name
, const char *tag
,
2280 int l
, lang
= 0, len
, len2
;
2281 AVDictionaryEntry
*t
, *t2
= NULL
;
2284 if (!(t
= av_dict_get(s
->metadata
, tag
, NULL
, 0)))
2287 len
= strlen(t
->key
);
2288 snprintf(tag2
, sizeof(tag2
), "%s-", tag
);
2289 while ((t2
= av_dict_get(s
->metadata
, tag2
, t2
, AV_DICT_IGNORE_SUFFIX
))) {
2290 len2
= strlen(t2
->key
);
2291 if (len2
== len
+ 4 && !strcmp(t
->value
, t2
->value
)
2292 && (l
= ff_mov_iso639_to_lang(&t2
->key
[len2
- 3], 1)) >= 0) {
2297 return mov_write_string_tag(pb
, name
, t
->value
, lang
, long_style
);
2300 /* iTunes bpm number */
2301 static int mov_write_tmpo_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2303 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
, "tmpo", NULL
, 0);
2304 int size
= 0, tmpo
= t
? atoi(t
->value
) : 0;
2307 avio_wb32(pb
, size
);
2308 ffio_wfourcc(pb
, "tmpo");
2309 avio_wb32(pb
, size
-8); /* size */
2310 ffio_wfourcc(pb
, "data");
2311 avio_wb32(pb
, 0x15); //type specifier
2313 avio_wb16(pb
, tmpo
); // data
2318 /* iTunes track or disc number */
2319 static int mov_write_trkn_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2320 AVFormatContext
*s
, int disc
)
2322 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
,
2323 disc
? "disc" : "track",
2325 int size
= 0, track
= t
? atoi(t
->value
) : 0;
2328 char *slash
= strchr(t
->value
, '/');
2330 tracks
= atoi(slash
+ 1);
2331 avio_wb32(pb
, 32); /* size */
2332 ffio_wfourcc(pb
, disc
? "disk" : "trkn");
2333 avio_wb32(pb
, 24); /* size */
2334 ffio_wfourcc(pb
, "data");
2335 avio_wb32(pb
, 0); // 8 bytes empty
2337 avio_wb16(pb
, 0); // empty
2338 avio_wb16(pb
, track
); // track / disc number
2339 avio_wb16(pb
, tracks
); // total track / disc number
2340 avio_wb16(pb
, 0); // empty
2346 static int mov_write_int8_metadata(AVFormatContext
*s
, AVIOContext
*pb
,
2347 const char *name
, const char *tag
,
2350 AVDictionaryEntry
*t
= NULL
;
2352 int size
= 24 + len
;
2354 if (len
!= 1 && len
!= 4)
2357 if (!(t
= av_dict_get(s
->metadata
, tag
, NULL
, 0)))
2359 num
= atoi(t
->value
);
2361 avio_wb32(pb
, size
);
2362 ffio_wfourcc(pb
, name
);
2363 avio_wb32(pb
, size
- 8);
2364 ffio_wfourcc(pb
, "data");
2365 avio_wb32(pb
, 0x15);
2367 if (len
==4) avio_wb32(pb
, num
);
2368 else avio_w8 (pb
, num
);
2373 /* iTunes meta data list */
2374 static int mov_write_ilst_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2377 int64_t pos
= avio_tell(pb
);
2378 avio_wb32(pb
, 0); /* size */
2379 ffio_wfourcc(pb
, "ilst");
2380 mov_write_string_metadata(s
, pb
, "\251nam", "title" , 1);
2381 mov_write_string_metadata(s
, pb
, "\251ART", "artist" , 1);
2382 mov_write_string_metadata(s
, pb
, "aART", "album_artist", 1);
2383 mov_write_string_metadata(s
, pb
, "\251wrt", "composer" , 1);
2384 mov_write_string_metadata(s
, pb
, "\251alb", "album" , 1);
2385 mov_write_string_metadata(s
, pb
, "\251day", "date" , 1);
2387 !mov_write_string_metadata(s
, pb
, "\251too", "encoding_tool", 1))
2388 mov_write_string_tag(pb
, "\251too", LIBAVFORMAT_IDENT
, 0, 1);
2389 mov_write_string_metadata(s
, pb
, "\251cmt", "comment" , 1);
2390 mov_write_string_metadata(s
, pb
, "\251gen", "genre" , 1);
2391 mov_write_string_metadata(s
, pb
, "\251cpy", "copyright", 1);
2392 mov_write_string_metadata(s
, pb
, "\251grp", "grouping" , 1);
2393 mov_write_string_metadata(s
, pb
, "\251lyr", "lyrics" , 1);
2394 mov_write_string_metadata(s
, pb
, "desc", "description",1);
2395 mov_write_string_metadata(s
, pb
, "ldes", "synopsis" , 1);
2396 mov_write_string_metadata(s
, pb
, "tvsh", "show" , 1);
2397 mov_write_string_metadata(s
, pb
, "tven", "episode_id",1);
2398 mov_write_string_metadata(s
, pb
, "tvnn", "network" , 1);
2399 mov_write_int8_metadata (s
, pb
, "tves", "episode_sort",4);
2400 mov_write_int8_metadata (s
, pb
, "tvsn", "season_number",4);
2401 mov_write_int8_metadata (s
, pb
, "stik", "media_type",1);
2402 mov_write_int8_metadata (s
, pb
, "hdvd", "hd_video", 1);
2403 mov_write_int8_metadata (s
, pb
, "pgap", "gapless_playback",1);
2404 mov_write_int8_metadata (s
, pb
, "cpil", "compilation", 1);
2405 mov_write_trkn_tag(pb
, mov
, s
, 0); // track number
2406 mov_write_trkn_tag(pb
, mov
, s
, 1); // disc number
2407 mov_write_tmpo_tag(pb
, s
);
2408 return update_size(pb
, pos
);
2411 /* iTunes meta data tag */
2412 static int mov_write_meta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2416 int64_t pos
= avio_tell(pb
);
2417 avio_wb32(pb
, 0); /* size */
2418 ffio_wfourcc(pb
, "meta");
2420 mov_write_itunes_hdlr_tag(pb
, mov
, s
);
2421 mov_write_ilst_tag(pb
, mov
, s
);
2422 size
= update_size(pb
, pos
);
2426 static int mov_write_raw_metadata_tag(AVFormatContext
*s
, AVIOContext
*pb
,
2427 const char *name
, const char *key
)
2430 AVDictionaryEntry
*t
;
2432 if (!(t
= av_dict_get(s
->metadata
, key
, NULL
, 0)))
2435 len
= strlen(t
->value
);
2438 avio_wb32(pb
, size
);
2439 ffio_wfourcc(pb
, name
);
2440 avio_write(pb
, t
->value
, len
);
2446 static int ascii_to_wc(AVIOContext
*pb
, const uint8_t *b
)
2450 GET_UTF8(val
, *b
++, return -1;)
2453 avio_wb16(pb
, 0x00);
2457 static uint16_t language_code(const char *str
)
2459 return (((str
[0] - 0x60) & 0x1F) << 10) +
2460 (((str
[1] - 0x60) & 0x1F) << 5) +
2461 (( str
[2] - 0x60) & 0x1F);
2464 static int mov_write_3gp_udta_tag(AVIOContext
*pb
, AVFormatContext
*s
,
2465 const char *tag
, const char *str
)
2467 int64_t pos
= avio_tell(pb
);
2468 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
, str
, NULL
, 0);
2469 if (!t
|| !utf8len(t
->value
))
2471 avio_wb32(pb
, 0); /* size */
2472 ffio_wfourcc(pb
, tag
); /* type */
2473 avio_wb32(pb
, 0); /* version + flags */
2474 if (!strcmp(tag
, "yrrc"))
2475 avio_wb16(pb
, atoi(t
->value
));
2477 avio_wb16(pb
, language_code("eng")); /* language */
2478 avio_write(pb
, t
->value
, strlen(t
->value
) + 1); /* UTF8 string value */
2479 if (!strcmp(tag
, "albm") &&
2480 (t
= av_dict_get(s
->metadata
, "track", NULL
, 0)))
2481 avio_w8(pb
, atoi(t
->value
));
2483 return update_size(pb
, pos
);
2486 static int mov_write_chpl_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2488 int64_t pos
= avio_tell(pb
);
2489 int i
, nb_chapters
= FFMIN(s
->nb_chapters
, 255);
2491 avio_wb32(pb
, 0); // size
2492 ffio_wfourcc(pb
, "chpl");
2493 avio_wb32(pb
, 0x01000000); // version + flags
2494 avio_wb32(pb
, 0); // unknown
2495 avio_w8(pb
, nb_chapters
);
2497 for (i
= 0; i
< nb_chapters
; i
++) {
2498 AVChapter
*c
= s
->chapters
[i
];
2499 AVDictionaryEntry
*t
;
2500 avio_wb64(pb
, av_rescale_q(c
->start
, c
->time_base
, (AVRational
){1,10000000}));
2502 if ((t
= av_dict_get(c
->metadata
, "title", NULL
, 0))) {
2503 int len
= FFMIN(strlen(t
->value
), 255);
2505 avio_write(pb
, t
->value
, len
);
2509 return update_size(pb
, pos
);
2512 static int mov_write_udta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2515 AVIOContext
*pb_buf
;
2519 ret
= avio_open_dyn_buf(&pb_buf
);
2523 if (mov
->mode
& MODE_3GP
) {
2524 mov_write_3gp_udta_tag(pb_buf
, s
, "perf", "artist");
2525 mov_write_3gp_udta_tag(pb_buf
, s
, "titl", "title");
2526 mov_write_3gp_udta_tag(pb_buf
, s
, "auth", "author");
2527 mov_write_3gp_udta_tag(pb_buf
, s
, "gnre", "genre");
2528 mov_write_3gp_udta_tag(pb_buf
, s
, "dscp", "comment");
2529 mov_write_3gp_udta_tag(pb_buf
, s
, "albm", "album");
2530 mov_write_3gp_udta_tag(pb_buf
, s
, "cprt", "copyright");
2531 mov_write_3gp_udta_tag(pb_buf
, s
, "yrrc", "date");
2532 } else if (mov
->mode
== MODE_MOV
) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2533 mov_write_string_metadata(s
, pb_buf
, "\251ART", "artist", 0);
2534 mov_write_string_metadata(s
, pb_buf
, "\251nam", "title", 0);
2535 mov_write_string_metadata(s
, pb_buf
, "\251aut", "author", 0);
2536 mov_write_string_metadata(s
, pb_buf
, "\251alb", "album", 0);
2537 mov_write_string_metadata(s
, pb_buf
, "\251day", "date", 0);
2538 mov_write_string_metadata(s
, pb_buf
, "\251swr", "encoder", 0);
2539 // currently ignored by mov.c
2540 mov_write_string_metadata(s
, pb_buf
, "\251des", "comment", 0);
2541 // add support for libquicktime, this atom is also actually read by mov.c
2542 mov_write_string_metadata(s
, pb_buf
, "\251cmt", "comment", 0);
2543 mov_write_string_metadata(s
, pb_buf
, "\251gen", "genre", 0);
2544 mov_write_string_metadata(s
, pb_buf
, "\251cpy", "copyright", 0);
2545 mov_write_raw_metadata_tag(s
, pb_buf
, "XMP_", "xmp");
2547 /* iTunes meta data */
2548 mov_write_meta_tag(pb_buf
, mov
, s
);
2551 if (s
->nb_chapters
&& !(mov
->flags
& FF_MOV_FLAG_DISABLE_CHPL
))
2552 mov_write_chpl_tag(pb_buf
, s
);
2554 if ((size
= avio_close_dyn_buf(pb_buf
, &buf
)) > 0) {
2555 avio_wb32(pb
, size
+ 8);
2556 ffio_wfourcc(pb
, "udta");
2557 avio_write(pb
, buf
, size
);
2564 static void mov_write_psp_udta_tag(AVIOContext
*pb
,
2565 const char *str
, const char *lang
, int type
)
2567 int len
= utf8len(str
) + 1;
2570 avio_wb16(pb
, len
* 2 + 10); /* size */
2571 avio_wb32(pb
, type
); /* type */
2572 avio_wb16(pb
, language_code(lang
)); /* language */
2573 avio_wb16(pb
, 0x01); /* ? */
2574 ascii_to_wc(pb
, str
);
2577 static int mov_write_uuidusmt_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2579 MOVMuxContext
*mov
= s
->priv_data
;
2580 AVDictionaryEntry
*title
= av_dict_get(s
->metadata
, "title", NULL
, 0);
2584 pos
= avio_tell(pb
);
2585 avio_wb32(pb
, 0); /* size placeholder*/
2586 ffio_wfourcc(pb
, "uuid");
2587 ffio_wfourcc(pb
, "USMT");
2588 avio_wb32(pb
, 0x21d24fce); /* 96 bit UUID */
2589 avio_wb32(pb
, 0xbb88695c);
2590 avio_wb32(pb
, 0xfac9c740);
2592 pos2
= avio_tell(pb
);
2593 avio_wb32(pb
, 0); /* size placeholder*/
2594 ffio_wfourcc(pb
, "MTDT");
2598 avio_wb16(pb
, 0x0C); /* size */
2599 avio_wb32(pb
, 0x0B); /* type */
2600 avio_wb16(pb
, language_code("und")); /* language */
2601 avio_wb16(pb
, 0x0); /* ? */
2602 avio_wb16(pb
, 0x021C); /* data */
2605 mov_write_psp_udta_tag(pb
, LIBAVCODEC_IDENT
, "eng", 0x04);
2606 mov_write_psp_udta_tag(pb
, title
->value
, "eng", 0x01);
2607 mov_write_psp_udta_tag(pb
, "2006/04/01 11:11:11", "und", 0x03);
2609 update_size(pb
, pos2
);
2610 return update_size(pb
, pos
);
2616 static void build_chunks(MOVTrack
*trk
)
2619 MOVIentry
*chunk
= &trk
->cluster
[0];
2620 uint64_t chunkSize
= chunk
->size
;
2621 chunk
->chunkNum
= 1;
2622 if (trk
->chunkCount
)
2624 trk
->chunkCount
= 1;
2625 for (i
= 1; i
<trk
->entry
; i
++){
2626 if (chunk
->pos
+ chunkSize
== trk
->cluster
[i
].pos
&&
2627 chunkSize
+ trk
->cluster
[i
].size
< (1<<20)){
2628 chunkSize
+= trk
->cluster
[i
].size
;
2629 chunk
->samples_in_chunk
+= trk
->cluster
[i
].entries
;
2631 trk
->cluster
[i
].chunkNum
= chunk
->chunkNum
+1;
2632 chunk
=&trk
->cluster
[i
];
2633 chunkSize
= chunk
->size
;
2639 static int mov_write_moov_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2643 int64_t pos
= avio_tell(pb
);
2644 avio_wb32(pb
, 0); /* size placeholder*/
2645 ffio_wfourcc(pb
, "moov");
2647 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2648 if (mov
->tracks
[i
].entry
<= 0 && !(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
2651 mov
->tracks
[i
].time
= mov
->time
;
2652 mov
->tracks
[i
].track_id
= i
+ 1;
2654 if (mov
->tracks
[i
].entry
)
2655 build_chunks(&mov
->tracks
[i
]);
2658 if (mov
->chapter_track
)
2659 for (i
= 0; i
< s
->nb_streams
; i
++) {
2660 mov
->tracks
[i
].tref_tag
= MKTAG('c','h','a','p');
2661 mov
->tracks
[i
].tref_id
= mov
->tracks
[mov
->chapter_track
].track_id
;
2663 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2664 if (mov
->tracks
[i
].tag
== MKTAG('r','t','p',' ')) {
2665 mov
->tracks
[i
].tref_tag
= MKTAG('h','i','n','t');
2666 mov
->tracks
[i
].tref_id
=
2667 mov
->tracks
[mov
->tracks
[i
].src_track
].track_id
;
2670 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2671 if (mov
->tracks
[i
].tag
== MKTAG('t','m','c','d')) {
2672 int src_trk
= mov
->tracks
[i
].src_track
;
2673 mov
->tracks
[src_trk
].tref_tag
= mov
->tracks
[i
].tag
;
2674 mov
->tracks
[src_trk
].tref_id
= mov
->tracks
[i
].track_id
;
2675 //src_trk may have a different timescale than the tmcd track
2676 mov
->tracks
[i
].track_duration
= av_rescale(mov
->tracks
[src_trk
].track_duration
,
2677 mov
->tracks
[i
].timescale
,
2678 mov
->tracks
[src_trk
].timescale
);
2682 mov_write_mvhd_tag(pb
, mov
);
2683 if (mov
->mode
!= MODE_MOV
&& !mov
->iods_skip
)
2684 mov_write_iods_tag(pb
, mov
);
2685 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2686 if (mov
->tracks
[i
].entry
> 0 || mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
2687 mov_write_trak_tag(pb
, mov
, &(mov
->tracks
[i
]), i
< s
->nb_streams
? s
->streams
[i
] : NULL
);
2690 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
)
2691 mov_write_mvex_tag(pb
, mov
); /* QuickTime requires trak to precede this */
2693 if (mov
->mode
== MODE_PSP
)
2694 mov_write_uuidusmt_tag(pb
, s
);
2696 mov_write_udta_tag(pb
, mov
, s
);
2698 return update_size(pb
, pos
);
2701 static void param_write_int(AVIOContext
*pb
, const char *name
, int value
)
2703 avio_printf(pb
, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name
, value
);
2706 static void param_write_string(AVIOContext
*pb
, const char *name
, const char *value
)
2708 avio_printf(pb
, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name
, value
);
2711 static void param_write_hex(AVIOContext
*pb
, const char *name
, const uint8_t *value
, int len
)
2714 len
= FFMIN(sizeof(buf
) / 2 - 1, len
);
2715 ff_data_to_hex(buf
, value
, len
, 0);
2716 buf
[2 * len
] = '\0';
2717 avio_printf(pb
, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name
, buf
);
2720 static int mov_write_isml_manifest(AVIOContext
*pb
, MOVMuxContext
*mov
)
2722 int64_t pos
= avio_tell(pb
);
2724 static const uint8_t uuid
[] = {
2725 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2726 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2730 ffio_wfourcc(pb
, "uuid");
2731 avio_write(pb
, uuid
, sizeof(uuid
));
2734 avio_printf(pb
, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2735 avio_printf(pb
, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2736 avio_printf(pb
, "<head>\n");
2738 avio_printf(pb
, "<meta name=\"creator\" content=\"%s\" />\n",
2740 avio_printf(pb
, "</head>\n");
2741 avio_printf(pb
, "<body>\n");
2742 avio_printf(pb
, "<switch>\n");
2743 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2744 MOVTrack
*track
= &mov
->tracks
[i
];
2746 /* track->track_id is initialized in write_moov, and thus isn't known
2748 int track_id
= i
+ 1;
2750 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
2752 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
2757 avio_printf(pb
, "<%s systemBitrate=\"%d\">\n", type
,
2758 track
->enc
->bit_rate
);
2759 param_write_int(pb
, "systemBitrate", track
->enc
->bit_rate
);
2760 param_write_int(pb
, "trackID", track_id
);
2761 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
2762 if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) {
2764 int size
= track
->enc
->extradata_size
;
2765 if (!ff_avc_write_annexb_extradata(track
->enc
->extradata
, &ptr
,
2767 param_write_hex(pb
, "CodecPrivateData",
2768 ptr
? ptr
: track
->enc
->extradata
,
2772 param_write_string(pb
, "FourCC", "H264");
2773 } else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
) {
2774 param_write_string(pb
, "FourCC", "WVC1");
2775 param_write_hex(pb
, "CodecPrivateData", track
->enc
->extradata
,
2776 track
->enc
->extradata_size
);
2778 param_write_int(pb
, "MaxWidth", track
->enc
->width
);
2779 param_write_int(pb
, "MaxHeight", track
->enc
->height
);
2780 param_write_int(pb
, "DisplayWidth", track
->enc
->width
);
2781 param_write_int(pb
, "DisplayHeight", track
->enc
->height
);
2783 if (track
->enc
->codec_id
== AV_CODEC_ID_AAC
) {
2784 param_write_string(pb
, "FourCC", "AACL");
2785 } else if (track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
) {
2786 param_write_string(pb
, "FourCC", "WMAP");
2788 param_write_hex(pb
, "CodecPrivateData", track
->enc
->extradata
,
2789 track
->enc
->extradata_size
);
2790 param_write_int(pb
, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags
,
2791 track
->enc
->codec_id
));
2792 param_write_int(pb
, "Channels", track
->enc
->channels
);
2793 param_write_int(pb
, "SamplingRate", track
->enc
->sample_rate
);
2794 param_write_int(pb
, "BitsPerSample", 16);
2795 param_write_int(pb
, "PacketSize", track
->enc
->block_align
?
2796 track
->enc
->block_align
: 4);
2798 avio_printf(pb
, "</%s>\n", type
);
2800 avio_printf(pb
, "</switch>\n");
2801 avio_printf(pb
, "</body>\n");
2802 avio_printf(pb
, "</smil>\n");
2804 return update_size(pb
, pos
);
2807 static int mov_write_mfhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2810 ffio_wfourcc(pb
, "mfhd");
2812 avio_wb32(pb
, mov
->fragments
);
2816 static int mov_write_tfhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2817 MOVTrack
*track
, int64_t moof_offset
)
2819 int64_t pos
= avio_tell(pb
);
2820 uint32_t flags
= MOV_TFHD_DEFAULT_SIZE
| MOV_TFHD_DEFAULT_DURATION
|
2821 MOV_TFHD_BASE_DATA_OFFSET
;
2822 if (!track
->entry
) {
2823 flags
|= MOV_TFHD_DURATION_IS_EMPTY
;
2825 flags
|= MOV_TFHD_DEFAULT_FLAGS
;
2827 if (mov
->flags
& FF_MOV_FLAG_OMIT_TFHD_OFFSET
)
2828 flags
&= ~MOV_TFHD_BASE_DATA_OFFSET
;
2830 /* Don't set a default sample size, the silverlight player refuses
2831 * to play files with that set. Don't set a default sample duration,
2832 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2833 * file format says it MUST NOT be set. */
2834 if (track
->mode
== MODE_ISM
)
2835 flags
&= ~(MOV_TFHD_DEFAULT_SIZE
| MOV_TFHD_DEFAULT_DURATION
|
2836 MOV_TFHD_BASE_DATA_OFFSET
);
2838 avio_wb32(pb
, 0); /* size placeholder */
2839 ffio_wfourcc(pb
, "tfhd");
2840 avio_w8(pb
, 0); /* version */
2841 avio_wb24(pb
, flags
);
2843 avio_wb32(pb
, track
->track_id
); /* track-id */
2844 if (flags
& MOV_TFHD_BASE_DATA_OFFSET
)
2845 avio_wb64(pb
, moof_offset
);
2846 if (flags
& MOV_TFHD_DEFAULT_DURATION
) {
2847 track
->default_duration
= get_cluster_duration(track
, 0);
2848 avio_wb32(pb
, track
->default_duration
);
2850 if (flags
& MOV_TFHD_DEFAULT_SIZE
) {
2851 track
->default_size
= track
->entry
? track
->cluster
[0].size
: 1;
2852 avio_wb32(pb
, track
->default_size
);
2854 track
->default_size
= -1;
2856 if (flags
& MOV_TFHD_DEFAULT_FLAGS
) {
2857 track
->default_sample_flags
=
2858 track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
?
2859 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
| MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
) :
2860 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
;
2861 avio_wb32(pb
, track
->default_sample_flags
);
2864 return update_size(pb
, pos
);
2867 static uint32_t get_sample_flags(MOVTrack
*track
, MOVIentry
*entry
)
2869 return entry
->flags
& MOV_SYNC_SAMPLE
? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
:
2870 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
| MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
);
2873 static int mov_write_trun_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2874 MOVTrack
*track
, int moof_size
)
2876 int64_t pos
= avio_tell(pb
);
2877 uint32_t flags
= MOV_TRUN_DATA_OFFSET
;
2880 for (i
= 0; i
< track
->entry
; i
++) {
2881 if (get_cluster_duration(track
, i
) != track
->default_duration
)
2882 flags
|= MOV_TRUN_SAMPLE_DURATION
;
2883 if (track
->cluster
[i
].size
!= track
->default_size
)
2884 flags
|= MOV_TRUN_SAMPLE_SIZE
;
2885 if (i
> 0 && get_sample_flags(track
, &track
->cluster
[i
]) != track
->default_sample_flags
)
2886 flags
|= MOV_TRUN_SAMPLE_FLAGS
;
2888 if (!(flags
& MOV_TRUN_SAMPLE_FLAGS
))
2889 flags
|= MOV_TRUN_FIRST_SAMPLE_FLAGS
;
2890 if (track
->flags
& MOV_TRACK_CTTS
)
2891 flags
|= MOV_TRUN_SAMPLE_CTS
;
2893 avio_wb32(pb
, 0); /* size placeholder */
2894 ffio_wfourcc(pb
, "trun");
2895 avio_w8(pb
, 0); /* version */
2896 avio_wb24(pb
, flags
);
2898 avio_wb32(pb
, track
->entry
); /* sample count */
2899 if (mov
->flags
& FF_MOV_FLAG_OMIT_TFHD_OFFSET
&&
2900 !(mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
) &&
2901 track
->track_id
!= 1)
2902 avio_wb32(pb
, 0); /* Later tracks follow immediately after the previous one */
2904 avio_wb32(pb
, moof_size
+ 8 + track
->data_offset
+
2905 track
->cluster
[0].pos
); /* data offset */
2906 if (flags
& MOV_TRUN_FIRST_SAMPLE_FLAGS
)
2907 avio_wb32(pb
, get_sample_flags(track
, &track
->cluster
[0]));
2909 for (i
= 0; i
< track
->entry
; i
++) {
2910 if (flags
& MOV_TRUN_SAMPLE_DURATION
)
2911 avio_wb32(pb
, get_cluster_duration(track
, i
));
2912 if (flags
& MOV_TRUN_SAMPLE_SIZE
)
2913 avio_wb32(pb
, track
->cluster
[i
].size
);
2914 if (flags
& MOV_TRUN_SAMPLE_FLAGS
)
2915 avio_wb32(pb
, get_sample_flags(track
, &track
->cluster
[i
]));
2916 if (flags
& MOV_TRUN_SAMPLE_CTS
)
2917 avio_wb32(pb
, track
->cluster
[i
].cts
);
2920 return update_size(pb
, pos
);
2923 static int mov_write_tfxd_tag(AVIOContext
*pb
, MOVTrack
*track
)
2925 int64_t pos
= avio_tell(pb
);
2926 static const uint8_t uuid
[] = {
2927 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2928 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2931 avio_wb32(pb
, 0); /* size placeholder */
2932 ffio_wfourcc(pb
, "uuid");
2933 avio_write(pb
, uuid
, sizeof(uuid
));
2936 avio_wb64(pb
, track
->frag_start
);
2937 avio_wb64(pb
, track
->start_dts
+ track
->track_duration
-
2938 track
->cluster
[0].dts
);
2940 return update_size(pb
, pos
);
2943 static int mov_write_tfrf_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2944 MOVTrack
*track
, int entry
)
2946 int n
= track
->nb_frag_info
- 1 - entry
, i
;
2947 int size
= 8 + 16 + 4 + 1 + 16*n
;
2948 static const uint8_t uuid
[] = {
2949 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2950 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2956 avio_seek(pb
, track
->frag_info
[entry
].tfrf_offset
, SEEK_SET
);
2957 avio_wb32(pb
, size
);
2958 ffio_wfourcc(pb
, "uuid");
2959 avio_write(pb
, uuid
, sizeof(uuid
));
2963 for (i
= 0; i
< n
; i
++) {
2964 int index
= entry
+ 1 + i
;
2965 avio_wb64(pb
, track
->frag_info
[index
].time
);
2966 avio_wb64(pb
, track
->frag_info
[index
].duration
);
2968 if (n
< mov
->ism_lookahead
) {
2969 int free_size
= 16 * (mov
->ism_lookahead
- n
);
2970 avio_wb32(pb
, free_size
);
2971 ffio_wfourcc(pb
, "free");
2972 ffio_fill(pb
, 0, free_size
- 8);
2978 static int mov_write_tfrf_tags(AVIOContext
*pb
, MOVMuxContext
*mov
,
2981 int64_t pos
= avio_tell(pb
);
2983 for (i
= 0; i
< mov
->ism_lookahead
; i
++) {
2984 /* Update the tfrf tag for the last ism_lookahead fragments,
2985 * nb_frag_info - 1 is the next fragment to be written. */
2986 mov_write_tfrf_tag(pb
, mov
, track
, track
->nb_frag_info
- 2 - i
);
2988 avio_seek(pb
, pos
, SEEK_SET
);
2992 static int mov_write_traf_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2993 MOVTrack
*track
, int64_t moof_offset
,
2996 int64_t pos
= avio_tell(pb
);
2997 avio_wb32(pb
, 0); /* size placeholder */
2998 ffio_wfourcc(pb
, "traf");
3000 mov_write_tfhd_tag(pb
, mov
, track
, moof_offset
);
3001 mov_write_trun_tag(pb
, mov
, track
, moof_size
);
3002 if (mov
->mode
== MODE_ISM
) {
3003 mov_write_tfxd_tag(pb
, track
);
3005 if (mov
->ism_lookahead
) {
3006 int i
, size
= 16 + 4 + 1 + 16 * mov
->ism_lookahead
;
3008 track
->tfrf_offset
= avio_tell(pb
);
3009 avio_wb32(pb
, 8 + size
);
3010 ffio_wfourcc(pb
, "free");
3011 for (i
= 0; i
< size
; i
++)
3016 return update_size(pb
, pos
);
3019 static int mov_write_moof_tag_internal(AVIOContext
*pb
, MOVMuxContext
*mov
,
3020 int tracks
, int moof_size
)
3022 int64_t pos
= avio_tell(pb
);
3025 avio_wb32(pb
, 0); /* size placeholder */
3026 ffio_wfourcc(pb
, "moof");
3028 mov_write_mfhd_tag(pb
, mov
);
3029 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3030 MOVTrack
*track
= &mov
->tracks
[i
];
3031 if (tracks
>= 0 && i
!= tracks
)
3035 mov_write_traf_tag(pb
, mov
, track
, pos
, moof_size
);
3038 return update_size(pb
, pos
);
3041 static int mov_write_moof_tag(AVIOContext
*pb
, MOVMuxContext
*mov
, int tracks
)
3043 AVIOContext
*avio_buf
;
3046 if ((ret
= ffio_open_null_buf(&avio_buf
)) < 0)
3048 mov_write_moof_tag_internal(avio_buf
, mov
, tracks
, 0);
3049 moof_size
= ffio_close_null_buf(avio_buf
);
3050 return mov_write_moof_tag_internal(pb
, mov
, tracks
, moof_size
);
3053 static int mov_write_tfra_tag(AVIOContext
*pb
, MOVTrack
*track
)
3055 int64_t pos
= avio_tell(pb
);
3058 avio_wb32(pb
, 0); /* size placeholder */
3059 ffio_wfourcc(pb
, "tfra");
3060 avio_w8(pb
, 1); /* version */
3063 avio_wb32(pb
, track
->track_id
);
3064 avio_wb32(pb
, 0); /* length of traf/trun/sample num */
3065 avio_wb32(pb
, track
->nb_frag_info
);
3066 for (i
= 0; i
< track
->nb_frag_info
; i
++) {
3067 avio_wb64(pb
, track
->frag_info
[i
].time
);
3068 avio_wb64(pb
, track
->frag_info
[i
].offset
);
3069 avio_w8(pb
, 1); /* traf number */
3070 avio_w8(pb
, 1); /* trun number */
3071 avio_w8(pb
, 1); /* sample number */
3074 return update_size(pb
, pos
);
3077 static int mov_write_mfra_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
3079 int64_t pos
= avio_tell(pb
);
3082 avio_wb32(pb
, 0); /* size placeholder */
3083 ffio_wfourcc(pb
, "mfra");
3084 /* An empty mfra atom is enough to indicate to the publishing point that
3085 * the stream has ended. */
3086 if (mov
->flags
& FF_MOV_FLAG_ISML
)
3087 return update_size(pb
, pos
);
3089 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3090 MOVTrack
*track
= &mov
->tracks
[i
];
3091 if (track
->nb_frag_info
)
3092 mov_write_tfra_tag(pb
, track
);
3096 ffio_wfourcc(pb
, "mfro");
3097 avio_wb32(pb
, 0); /* version + flags */
3098 avio_wb32(pb
, avio_tell(pb
) + 4 - pos
);
3100 return update_size(pb
, pos
);
3103 static int mov_write_mdat_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
3105 avio_wb32(pb
, 8); // placeholder for extended size field (64 bit)
3106 ffio_wfourcc(pb
, mov
->mode
== MODE_MOV
? "wide" : "free");
3108 mov
->mdat_pos
= avio_tell(pb
);
3109 avio_wb32(pb
, 0); /* size placeholder*/
3110 ffio_wfourcc(pb
, "mdat");
3114 /* TODO: This needs to be more general */
3115 static int mov_write_ftyp_tag(AVIOContext
*pb
, AVFormatContext
*s
)
3117 MOVMuxContext
*mov
= s
->priv_data
;
3118 int64_t pos
= avio_tell(pb
);
3119 int has_h264
= 0, has_video
= 0;
3123 for (i
= 0; i
< s
->nb_streams
; i
++) {
3124 AVStream
*st
= s
->streams
[i
];
3125 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)
3127 if (st
->codec
->codec_id
== AV_CODEC_ID_H264
)
3131 avio_wb32(pb
, 0); /* size */
3132 ffio_wfourcc(pb
, "ftyp");
3134 if (mov
->major_brand
&& strlen(mov
->major_brand
) >= 4)
3135 ffio_wfourcc(pb
, mov
->major_brand
);
3136 else if (mov
->mode
== MODE_3GP
) {
3137 ffio_wfourcc(pb
, has_h264
? "3gp6" : "3gp4");
3138 minor
= has_h264
? 0x100 : 0x200;
3139 } else if (mov
->mode
& MODE_3G2
) {
3140 ffio_wfourcc(pb
, has_h264
? "3g2b" : "3g2a");
3141 minor
= has_h264
? 0x20000 : 0x10000;
3142 } else if (mov
->mode
== MODE_PSP
)
3143 ffio_wfourcc(pb
, "MSNV");
3144 else if (mov
->mode
== MODE_MP4
)
3145 ffio_wfourcc(pb
, "isom");
3146 else if (mov
->mode
== MODE_IPOD
)
3147 ffio_wfourcc(pb
, has_video
? "M4V ":"M4A ");
3148 else if (mov
->mode
== MODE_ISM
)
3149 ffio_wfourcc(pb
, "isml");
3150 else if (mov
->mode
== MODE_F4V
)
3151 ffio_wfourcc(pb
, "f4v ");
3153 ffio_wfourcc(pb
, "qt ");
3155 avio_wb32(pb
, minor
);
3157 if (mov
->mode
== MODE_MOV
)
3158 ffio_wfourcc(pb
, "qt ");
3159 else if (mov
->mode
== MODE_ISM
) {
3160 ffio_wfourcc(pb
, "piff");
3161 ffio_wfourcc(pb
, "iso2");
3163 ffio_wfourcc(pb
, "isom");
3164 ffio_wfourcc(pb
, "iso2");
3166 ffio_wfourcc(pb
, "avc1");
3169 if (mov
->mode
== MODE_3GP
)
3170 ffio_wfourcc(pb
, has_h264
? "3gp6":"3gp4");
3171 else if (mov
->mode
& MODE_3G2
)
3172 ffio_wfourcc(pb
, has_h264
? "3g2b":"3g2a");
3173 else if (mov
->mode
== MODE_PSP
)
3174 ffio_wfourcc(pb
, "MSNV");
3175 else if (mov
->mode
== MODE_MP4
)
3176 ffio_wfourcc(pb
, "mp41");
3177 return update_size(pb
, pos
);
3180 static void mov_write_uuidprof_tag(AVIOContext
*pb
, AVFormatContext
*s
)
3182 AVStream
*video_st
= s
->streams
[0];
3183 AVCodecContext
*video_codec
= s
->streams
[0]->codec
;
3184 AVCodecContext
*audio_codec
= s
->streams
[1]->codec
;
3185 int audio_rate
= audio_codec
->sample_rate
;
3186 // TODO: should be avg_frame_rate
3187 int frame_rate
= ((video_st
->time_base
.den
) * (0x10000)) / (video_st
->time_base
.num
);
3188 int audio_kbitrate
= audio_codec
->bit_rate
/ 1000;
3189 int video_kbitrate
= FFMIN(video_codec
->bit_rate
/ 1000, 800 - audio_kbitrate
);
3191 avio_wb32(pb
, 0x94); /* size */
3192 ffio_wfourcc(pb
, "uuid");
3193 ffio_wfourcc(pb
, "PROF");
3195 avio_wb32(pb
, 0x21d24fce); /* 96 bit UUID */
3196 avio_wb32(pb
, 0xbb88695c);
3197 avio_wb32(pb
, 0xfac9c740);
3199 avio_wb32(pb
, 0x0); /* ? */
3200 avio_wb32(pb
, 0x3); /* 3 sections ? */
3202 avio_wb32(pb
, 0x14); /* size */
3203 ffio_wfourcc(pb
, "FPRF");
3204 avio_wb32(pb
, 0x0); /* ? */
3205 avio_wb32(pb
, 0x0); /* ? */
3206 avio_wb32(pb
, 0x0); /* ? */
3208 avio_wb32(pb
, 0x2c); /* size */
3209 ffio_wfourcc(pb
, "APRF"); /* audio */
3211 avio_wb32(pb
, 0x2); /* TrackID */
3212 ffio_wfourcc(pb
, "mp4a");
3213 avio_wb32(pb
, 0x20f);
3215 avio_wb32(pb
, audio_kbitrate
);
3216 avio_wb32(pb
, audio_kbitrate
);
3217 avio_wb32(pb
, audio_rate
);
3218 avio_wb32(pb
, audio_codec
->channels
);
3220 avio_wb32(pb
, 0x34); /* size */
3221 ffio_wfourcc(pb
, "VPRF"); /* video */
3223 avio_wb32(pb
, 0x1); /* TrackID */
3224 if (video_codec
->codec_id
== AV_CODEC_ID_H264
) {
3225 ffio_wfourcc(pb
, "avc1");
3226 avio_wb16(pb
, 0x014D);
3227 avio_wb16(pb
, 0x0015);
3229 ffio_wfourcc(pb
, "mp4v");
3230 avio_wb16(pb
, 0x0000);
3231 avio_wb16(pb
, 0x0103);
3234 avio_wb32(pb
, video_kbitrate
);
3235 avio_wb32(pb
, video_kbitrate
);
3236 avio_wb32(pb
, frame_rate
);
3237 avio_wb32(pb
, frame_rate
);
3238 avio_wb16(pb
, video_codec
->width
);
3239 avio_wb16(pb
, video_codec
->height
);
3240 avio_wb32(pb
, 0x010001); /* ? */
3243 static int mov_parse_mpeg2_frame(AVPacket
*pkt
, uint32_t *flags
)
3246 int i
, closed_gop
= 0;
3248 for (i
= 0; i
< pkt
->size
- 4; i
++) {
3249 c
= (c
<< 8) + pkt
->data
[i
];
3250 if (c
== 0x1b8) { // gop
3251 closed_gop
= pkt
->data
[i
+ 4] >> 6 & 0x01;
3252 } else if (c
== 0x100) { // pic
3253 int temp_ref
= (pkt
->data
[i
+ 1] << 2) | (pkt
->data
[i
+ 2] >> 6);
3254 if (!temp_ref
|| closed_gop
) // I picture is not reordered
3255 *flags
= MOV_SYNC_SAMPLE
;
3257 *flags
= MOV_PARTIAL_SYNC_SAMPLE
;
3264 static void mov_parse_vc1_frame(AVPacket
*pkt
, MOVTrack
*trk
, int fragment
)
3266 const uint8_t *start
, *next
, *end
= pkt
->data
+ pkt
->size
;
3267 int seq
= 0, entry
= 0;
3268 int key
= pkt
->flags
& AV_PKT_FLAG_KEY
;
3269 start
= find_next_marker(pkt
->data
, end
);
3270 for (next
= start
; next
< end
; start
= next
) {
3271 next
= find_next_marker(start
+ 4, end
);
3272 switch (AV_RB32(start
)) {
3273 case VC1_CODE_SEQHDR
:
3276 case VC1_CODE_ENTRYPOINT
:
3279 case VC1_CODE_SLICE
:
3280 trk
->vc1_info
.slices
= 1;
3284 if (!trk
->entry
&& !fragment
) {
3285 /* First packet in first fragment */
3286 trk
->vc1_info
.first_packet_seq
= seq
;
3287 trk
->vc1_info
.first_packet_entry
= entry
;
3288 } else if ((seq
&& !trk
->vc1_info
.packet_seq
) ||
3289 (entry
&& !trk
->vc1_info
.packet_entry
)) {
3291 for (i
= 0; i
< trk
->entry
; i
++)
3292 trk
->cluster
[i
].flags
&= ~MOV_SYNC_SAMPLE
;
3293 trk
->has_keyframes
= 0;
3295 trk
->vc1_info
.packet_seq
= 1;
3297 trk
->vc1_info
.packet_entry
= 1;
3299 /* First fragment */
3300 if ((!seq
|| trk
->vc1_info
.first_packet_seq
) &&
3301 (!entry
|| trk
->vc1_info
.first_packet_entry
)) {
3302 /* First packet had the same headers as this one, readd the
3303 * sync sample flag. */
3304 trk
->cluster
[0].flags
|= MOV_SYNC_SAMPLE
;
3305 trk
->has_keyframes
= 1;
3309 if (trk
->vc1_info
.packet_seq
&& trk
->vc1_info
.packet_entry
)
3311 else if (trk
->vc1_info
.packet_seq
)
3313 else if (trk
->vc1_info
.packet_entry
)
3316 trk
->cluster
[trk
->entry
].flags
|= MOV_SYNC_SAMPLE
;
3317 trk
->has_keyframes
++;
3321 static int mov_flush_fragment(AVFormatContext
*s
)
3323 MOVMuxContext
*mov
= s
->priv_data
;
3324 int i
, first_track
= -1;
3325 int64_t mdat_size
= 0;
3327 if (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
3330 if (!(mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
) && mov
->fragments
== 0) {
3331 int64_t pos
= avio_tell(s
->pb
);
3333 int buf_size
, moov_size
;
3335 for (i
= 0; i
< mov
->nb_streams
; i
++)
3336 if (!mov
->tracks
[i
].entry
)
3338 /* Don't write the initial moov unless all tracks have data */
3339 if (i
< mov
->nb_streams
)
3342 moov_size
= get_moov_size(s
);
3343 for (i
= 0; i
< mov
->nb_streams
; i
++)
3344 mov
->tracks
[i
].data_offset
= pos
+ moov_size
+ 8;
3346 mov_write_moov_tag(s
->pb
, mov
, s
);
3348 buf_size
= avio_close_dyn_buf(mov
->mdat_buf
, &buf
);
3349 mov
->mdat_buf
= NULL
;
3350 avio_wb32(s
->pb
, buf_size
+ 8);
3351 ffio_wfourcc(s
->pb
, "mdat");
3352 avio_write(s
->pb
, buf
, buf_size
);
3357 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3358 if (mov
->tracks
[i
].entry
)
3359 mov
->tracks
[i
].frag_start
+= mov
->tracks
[i
].start_dts
+
3360 mov
->tracks
[i
].track_duration
-
3361 mov
->tracks
[i
].cluster
[0].dts
;
3362 mov
->tracks
[i
].entry
= 0;
3368 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3369 MOVTrack
*track
= &mov
->tracks
[i
];
3370 if (mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
)
3371 track
->data_offset
= 0;
3373 track
->data_offset
= mdat_size
;
3374 if (!track
->mdat_buf
)
3376 mdat_size
+= avio_tell(track
->mdat_buf
);
3377 if (first_track
< 0)
3384 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3385 MOVTrack
*track
= &mov
->tracks
[i
];
3386 int buf_size
, write_moof
= 1, moof_tracks
= -1;
3388 int64_t duration
= 0;
3391 duration
= track
->start_dts
+ track
->track_duration
-
3392 track
->cluster
[0].dts
;
3393 if (mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
) {
3394 if (!track
->mdat_buf
)
3396 mdat_size
= avio_tell(track
->mdat_buf
);
3399 write_moof
= i
== first_track
;
3403 MOVFragmentInfo
*info
;
3405 track
->nb_frag_info
++;
3406 if (track
->nb_frag_info
>= track
->frag_info_capacity
) {
3407 unsigned new_capacity
= track
->nb_frag_info
+ MOV_FRAG_INFO_ALLOC_INCREMENT
;
3408 if (av_reallocp_array(&track
->frag_info
,
3410 sizeof(*track
->frag_info
)))
3411 return AVERROR(ENOMEM
);
3412 track
->frag_info_capacity
= new_capacity
;
3414 info
= &track
->frag_info
[track
->nb_frag_info
- 1];
3415 info
->offset
= avio_tell(s
->pb
);
3416 info
->time
= mov
->tracks
[i
].frag_start
;
3417 info
->duration
= duration
;
3418 mov_write_tfrf_tags(s
->pb
, mov
, track
);
3420 mov_write_moof_tag(s
->pb
, mov
, moof_tracks
);
3421 info
->tfrf_offset
= track
->tfrf_offset
;
3424 avio_wb32(s
->pb
, mdat_size
+ 8);
3425 ffio_wfourcc(s
->pb
, "mdat");
3429 track
->frag_start
+= duration
;
3431 if (!track
->mdat_buf
)
3433 buf_size
= avio_close_dyn_buf(track
->mdat_buf
, &buf
);
3434 track
->mdat_buf
= NULL
;
3436 avio_write(s
->pb
, buf
, buf_size
);
3446 int ff_mov_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
3448 MOVMuxContext
*mov
= s
->priv_data
;
3449 AVIOContext
*pb
= s
->pb
;
3450 MOVTrack
*trk
= &mov
->tracks
[pkt
->stream_index
];
3451 AVCodecContext
*enc
= trk
->enc
;
3452 unsigned int samples_in_chunk
= 0;
3453 int size
= pkt
->size
;
3454 uint8_t *reformatted_data
= NULL
;
3457 int64_t duration
= pkt
->dts
- trk
->cluster
[trk
->entry
- 1].dts
;
3458 if (duration
< 0 || duration
> INT_MAX
) {
3459 av_log(s
, AV_LOG_ERROR
, "Application provided duration: %"PRId64
" / timestamp: %"PRId64
" is out of range for mov/mp4 format\n",
3463 pkt
->dts
= trk
->cluster
[trk
->entry
- 1].dts
+ 1;
3464 pkt
->pts
= AV_NOPTS_VALUE
;
3466 if (pkt
->duration
< 0) {
3467 av_log(s
, AV_LOG_ERROR
, "Application provided duration: %d is invalid\n", pkt
->duration
);
3468 return AVERROR(EINVAL
);
3471 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
3473 if (mov
->fragments
> 0) {
3474 if (!trk
->mdat_buf
) {
3475 if ((ret
= avio_open_dyn_buf(&trk
->mdat_buf
)) < 0)
3480 if (!mov
->mdat_buf
) {
3481 if ((ret
= avio_open_dyn_buf(&mov
->mdat_buf
)) < 0)
3488 if (enc
->codec_id
== AV_CODEC_ID_AMR_NB
) {
3489 /* We must find out how many AMR blocks there are in one packet */
3490 static uint16_t packed_size
[16] =
3491 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3494 while (len
< size
&& samples_in_chunk
< 100) {
3495 len
+= packed_size
[(pkt
->data
[len
] >> 3) & 0x0F];
3498 if (samples_in_chunk
> 1) {
3499 av_log(s
, AV_LOG_ERROR
, "fatal error, input is not a single packet, implement a AVParser for it\n");
3502 } else if (enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
3503 enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
) {
3504 samples_in_chunk
= enc
->frame_size
;
3505 } else if (trk
->sample_size
)
3506 samples_in_chunk
= size
/ trk
->sample_size
;
3508 samples_in_chunk
= 1;
3510 /* copy extradata if it exists */
3511 if (trk
->vos_len
== 0 && enc
->extradata_size
> 0) {
3512 trk
->vos_len
= enc
->extradata_size
;
3513 trk
->vos_data
= av_malloc(trk
->vos_len
);
3514 memcpy(trk
->vos_data
, enc
->extradata
, trk
->vos_len
);
3517 if (enc
->codec_id
== AV_CODEC_ID_AAC
&& pkt
->size
> 2 &&
3518 (AV_RB16(pkt
->data
) & 0xfff0) == 0xfff0) {
3519 if (!s
->streams
[pkt
->stream_index
]->nb_frames
) {
3520 av_log(s
, AV_LOG_ERROR
, "Malformed AAC bitstream detected: "
3521 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3522 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3525 av_log(s
, AV_LOG_WARNING
, "aac bitstream error\n");
3527 if (enc
->codec_id
== AV_CODEC_ID_H264
&& trk
->vos_len
> 0 && *(uint8_t *)trk
->vos_data
!= 1) {
3528 /* from x264 or from bytestream h264 */
3529 /* nal reformating needed */
3530 if (trk
->hint_track
>= 0 && trk
->hint_track
< mov
->nb_streams
) {
3531 ff_avc_parse_nal_units_buf(pkt
->data
, &reformatted_data
,
3533 avio_write(pb
, reformatted_data
, size
);
3535 size
= ff_avc_parse_nal_units(pb
, pkt
->data
, pkt
->size
);
3537 } else if (enc
->codec_id
== AV_CODEC_ID_HEVC
&& trk
->vos_len
> 6 &&
3538 (AV_RB24(trk
->vos_data
) == 1 || AV_RB32(trk
->vos_data
) == 1)) {
3539 /* extradata is Annex B, assume the bitstream is too and convert it */
3540 if (trk
->hint_track
>= 0 && trk
->hint_track
< mov
->nb_streams
) {
3541 ff_hevc_annexb2mp4_buf(pkt
->data
, &reformatted_data
, &size
, 0, NULL
);
3542 avio_write(pb
, reformatted_data
, size
);
3544 size
= ff_hevc_annexb2mp4(pb
, pkt
->data
, pkt
->size
, 0, NULL
);
3547 avio_write(pb
, pkt
->data
, size
);
3550 if ((enc
->codec_id
== AV_CODEC_ID_DNXHD
||
3551 enc
->codec_id
== AV_CODEC_ID_AC3
) && !trk
->vos_len
) {
3552 /* copy frame to create needed atoms */
3553 trk
->vos_len
= size
;
3554 trk
->vos_data
= av_malloc(size
);
3556 return AVERROR(ENOMEM
);
3557 memcpy(trk
->vos_data
, pkt
->data
, size
);
3560 if (trk
->entry
>= trk
->cluster_capacity
) {
3561 unsigned new_capacity
= 2 * (trk
->entry
+ MOV_INDEX_CLUSTER_SIZE
);
3562 if (av_reallocp_array(&trk
->cluster
, new_capacity
,
3563 sizeof(*trk
->cluster
)))
3564 return AVERROR(ENOMEM
);
3565 trk
->cluster_capacity
= new_capacity
;
3568 trk
->cluster
[trk
->entry
].pos
= avio_tell(pb
) - size
;
3569 trk
->cluster
[trk
->entry
].samples_in_chunk
= samples_in_chunk
;
3570 trk
->cluster
[trk
->entry
].chunkNum
= 0;
3571 trk
->cluster
[trk
->entry
].size
= size
;
3572 trk
->cluster
[trk
->entry
].entries
= samples_in_chunk
;
3573 trk
->cluster
[trk
->entry
].dts
= pkt
->dts
;
3574 if (!trk
->entry
&& trk
->start_dts
!= AV_NOPTS_VALUE
) {
3575 /* First packet of a new fragment. We already wrote the duration
3576 * of the last packet of the previous fragment based on track_duration,
3577 * which might not exactly match our dts. Therefore adjust the dts
3578 * of this packet to be what the previous packets duration implies. */
3579 trk
->cluster
[trk
->entry
].dts
= trk
->start_dts
+ trk
->track_duration
;
3581 if (!trk
->entry
&& trk
->start_dts
== AV_NOPTS_VALUE
&& !supports_edts(mov
)) {
3582 trk
->cluster
[trk
->entry
].dts
= trk
->start_dts
= 0;
3584 if (trk
->start_dts
== AV_NOPTS_VALUE
)
3585 trk
->start_dts
= pkt
->dts
;
3586 trk
->track_duration
= pkt
->dts
- trk
->start_dts
+ pkt
->duration
;
3587 trk
->last_sample_is_subtitle_end
= 0;
3589 if (pkt
->pts
== AV_NOPTS_VALUE
) {
3590 av_log(s
, AV_LOG_WARNING
, "pts has no value\n");
3591 pkt
->pts
= pkt
->dts
;
3593 if (pkt
->dts
!= pkt
->pts
)
3594 trk
->flags
|= MOV_TRACK_CTTS
;
3595 trk
->cluster
[trk
->entry
].cts
= pkt
->pts
- pkt
->dts
;
3596 trk
->cluster
[trk
->entry
].flags
= 0;
3597 if (enc
->codec_id
== AV_CODEC_ID_VC1
) {
3598 mov_parse_vc1_frame(pkt
, trk
, mov
->fragments
);
3599 } else if (pkt
->flags
& AV_PKT_FLAG_KEY
) {
3600 if (mov
->mode
== MODE_MOV
&& enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
&&
3601 trk
->entry
> 0) { // force sync sample for the first key frame
3602 mov_parse_mpeg2_frame(pkt
, &trk
->cluster
[trk
->entry
].flags
);
3603 if (trk
->cluster
[trk
->entry
].flags
& MOV_PARTIAL_SYNC_SAMPLE
)
3604 trk
->flags
|= MOV_TRACK_STPS
;
3606 trk
->cluster
[trk
->entry
].flags
= MOV_SYNC_SAMPLE
;
3608 if (trk
->cluster
[trk
->entry
].flags
& MOV_SYNC_SAMPLE
)
3609 trk
->has_keyframes
++;
3612 trk
->sample_count
+= samples_in_chunk
;
3613 mov
->mdat_size
+= size
;
3615 if (trk
->hint_track
>= 0 && trk
->hint_track
< mov
->nb_streams
)
3616 ff_mov_add_hinted_packet(s
, pkt
, trk
->hint_track
, trk
->entry
,
3617 reformatted_data
, size
);
3618 av_free(reformatted_data
);
3622 static int mov_write_single_packet(AVFormatContext
*s
, AVPacket
*pkt
)
3624 MOVMuxContext
*mov
= s
->priv_data
;
3625 MOVTrack
*trk
= &mov
->tracks
[pkt
->stream_index
];
3626 AVCodecContext
*enc
= trk
->enc
;
3627 int64_t frag_duration
= 0;
3628 int size
= pkt
->size
;
3631 return 0; /* Discard 0 sized packets */
3633 if (trk
->entry
&& pkt
->stream_index
< s
->nb_streams
)
3634 frag_duration
= av_rescale_q(pkt
->dts
- trk
->cluster
[0].dts
,
3635 s
->streams
[pkt
->stream_index
]->time_base
,
3637 if ((mov
->max_fragment_duration
&&
3638 frag_duration
>= mov
->max_fragment_duration
) ||
3639 (mov
->max_fragment_size
&& mov
->mdat_size
+ size
>= mov
->max_fragment_size
) ||
3640 (mov
->flags
& FF_MOV_FLAG_FRAG_KEYFRAME
&&
3641 enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
3642 trk
->entry
&& pkt
->flags
& AV_PKT_FLAG_KEY
)) {
3643 if (frag_duration
>= mov
->min_fragment_duration
)
3644 mov_flush_fragment(s
);
3647 return ff_mov_write_packet(s
, pkt
);
3650 static int mov_write_subtitle_end_packet(AVFormatContext
*s
,
3654 uint8_t data
[2] = {0};
3657 av_init_packet(&end
);
3658 end
.size
= sizeof(data
);
3663 end
.stream_index
= stream_index
;
3665 ret
= mov_write_single_packet(s
, &end
);
3666 av_free_packet(&end
);
3671 static int mov_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
3674 mov_flush_fragment(s
);
3678 MOVMuxContext
*mov
= s
->priv_data
;
3680 if (!pkt
->size
) return 0; /* Discard 0 sized packets */
3683 * Subtitles require special handling.
3685 * 1) For full complaince, every track must have a sample at
3686 * dts == 0, which is rarely true for subtitles. So, as soon
3687 * as we see any packet with dts > 0, write an empty subtitle
3688 * at dts == 0 for any subtitle track with no samples in it.
3690 * 2) For each subtitle track, check if the current packet's
3691 * dts is past the duration of the last subtitle sample. If
3692 * so, we now need to write an end sample for that subtitle.
3694 * This must be done conditionally to allow for subtitles that
3695 * immediately replace each other, in which case an end sample
3696 * is not needed, and is, in fact, actively harmful.
3698 * 3) See mov_write_trailer for how the final end sample is
3701 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3702 MOVTrack
*trk
= &mov
->tracks
[i
];
3705 if (trk
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
&&
3706 trk
->track_duration
< pkt
->dts
&&
3707 (trk
->entry
== 0 || !trk
->last_sample_is_subtitle_end
)) {
3708 ret
= mov_write_subtitle_end_packet(s
, i
, trk
->track_duration
);
3709 if (ret
< 0) return ret
;
3710 trk
->last_sample_is_subtitle_end
= 1;
3714 return mov_write_single_packet(s
, pkt
);
3718 // QuickTime chapters involve an additional text track with the chapter names
3719 // as samples, and a tref pointing from the other tracks to the chapter one.
3720 static int mov_create_chapter_track(AVFormatContext
*s
, int tracknum
)
3724 MOVMuxContext
*mov
= s
->priv_data
;
3725 MOVTrack
*track
= &mov
->tracks
[tracknum
];
3726 AVPacket pkt
= { .stream_index
= tracknum
, .flags
= AV_PKT_FLAG_KEY
};
3729 track
->mode
= mov
->mode
;
3730 track
->tag
= MKTAG('t','e','x','t');
3731 track
->timescale
= MOV_TIMESCALE
;
3732 track
->enc
= avcodec_alloc_context3(NULL
);
3734 return AVERROR(ENOMEM
);
3735 track
->enc
->codec_type
= AVMEDIA_TYPE_SUBTITLE
;
3737 // These properties are required to make QT recognize the chapter track
3738 uint8_t chapter_properties
[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3739 if (ff_alloc_extradata(track
->enc
, sizeof(chapter_properties
)))
3740 return AVERROR(ENOMEM
);
3741 memcpy(track
->enc
->extradata
, chapter_properties
, sizeof(chapter_properties
));
3743 if (avio_open_dyn_buf(&pb
) >= 0) {
3747 /* Stub header (usually for Quicktime chapter track) */
3749 avio_wb32(pb
, 0x01); // displayFlags
3750 avio_w8(pb
, 0x00); // horizontal justification
3751 avio_w8(pb
, 0x00); // vertical justification
3752 avio_w8(pb
, 0x00); // bgColourRed
3753 avio_w8(pb
, 0x00); // bgColourGreen
3754 avio_w8(pb
, 0x00); // bgColourBlue
3755 avio_w8(pb
, 0x00); // bgColourAlpha
3757 avio_wb16(pb
, 0x00); // defTextBoxTop
3758 avio_wb16(pb
, 0x00); // defTextBoxLeft
3759 avio_wb16(pb
, 0x00); // defTextBoxBottom
3760 avio_wb16(pb
, 0x00); // defTextBoxRight
3762 avio_wb16(pb
, 0x00); // startChar
3763 avio_wb16(pb
, 0x00); // endChar
3764 avio_wb16(pb
, 0x01); // fontID
3765 avio_w8(pb
, 0x00); // fontStyleFlags
3766 avio_w8(pb
, 0x00); // fontSize
3767 avio_w8(pb
, 0x00); // fgColourRed
3768 avio_w8(pb
, 0x00); // fgColourGreen
3769 avio_w8(pb
, 0x00); // fgColourBlue
3770 avio_w8(pb
, 0x00); // fgColourAlpha
3772 avio_wb32(pb
, 0x0D); // box size
3773 ffio_wfourcc(pb
, "ftab"); // box atom name
3774 avio_wb16(pb
, 0x01); // entry count
3776 avio_wb16(pb
, 0x01); // font ID
3777 avio_w8(pb
, 0x00); // font name length
3779 if ((size
= avio_close_dyn_buf(pb
, &buf
)) > 0) {
3780 track
->enc
->extradata
= buf
;
3781 track
->enc
->extradata_size
= size
;
3788 for (i
= 0; i
< s
->nb_chapters
; i
++) {
3789 AVChapter
*c
= s
->chapters
[i
];
3790 AVDictionaryEntry
*t
;
3792 int64_t end
= av_rescale_q(c
->end
, c
->time_base
, (AVRational
){1,MOV_TIMESCALE
});
3793 pkt
.pts
= pkt
.dts
= av_rescale_q(c
->start
, c
->time_base
, (AVRational
){1,MOV_TIMESCALE
});
3794 pkt
.duration
= end
- pkt
.dts
;
3796 if ((t
= av_dict_get(c
->metadata
, "title", NULL
, 0))) {
3797 const char encd
[12] = {
3798 0x00, 0x00, 0x00, 0x0C,
3800 0x00, 0x00, 0x01, 0x00 };
3801 len
= strlen(t
->value
);
3802 pkt
.size
= len
+ 2 + 12;
3803 pkt
.data
= av_malloc(pkt
.size
);
3805 return AVERROR(ENOMEM
);
3806 AV_WB16(pkt
.data
, len
);
3807 memcpy(pkt
.data
+ 2, t
->value
, len
);
3808 memcpy(pkt
.data
+ len
+ 2, encd
, sizeof(encd
));
3809 ff_mov_write_packet(s
, &pkt
);
3810 av_freep(&pkt
.data
);
3817 static int mov_create_timecode_track(AVFormatContext
*s
, int index
, int src_index
, const char *tcstr
)
3820 MOVMuxContext
*mov
= s
->priv_data
;
3821 MOVTrack
*track
= &mov
->tracks
[index
];
3822 AVStream
*src_st
= s
->streams
[src_index
];
3824 AVPacket pkt
= {.stream_index
= index
, .flags
= AV_PKT_FLAG_KEY
, .size
= 4};
3825 AVRational rate
= find_fps(s
, src_st
);
3827 /* compute the frame number */
3828 ret
= av_timecode_init_from_string(&tc
, rate
, tcstr
, s
);
3832 /* tmcd track based on video stream */
3833 track
->mode
= mov
->mode
;
3834 track
->tag
= MKTAG('t','m','c','d');
3835 track
->src_track
= src_index
;
3836 track
->timescale
= mov
->tracks
[src_index
].timescale
;
3837 if (tc
.flags
& AV_TIMECODE_FLAG_DROPFRAME
)
3838 track
->timecode_flags
|= MOV_TIMECODE_FLAG_DROPFRAME
;
3840 /* set st to src_st for metadata access*/
3843 /* encode context: tmcd data stream */
3844 track
->enc
= avcodec_alloc_context3(NULL
);
3845 track
->enc
->codec_type
= AVMEDIA_TYPE_DATA
;
3846 track
->enc
->codec_tag
= track
->tag
;
3847 track
->enc
->time_base
= av_inv_q(rate
);
3849 /* the tmcd track just contains one packet with the frame number */
3850 pkt
.data
= av_malloc(pkt
.size
);
3851 AV_WB32(pkt
.data
, tc
.start
);
3852 ret
= ff_mov_write_packet(s
, &pkt
);
3858 * st->disposition controls the "enabled" flag in the tkhd tag.
3859 * QuickTime will not play a track if it is not enabled. So make sure
3860 * that one track of each type (audio, video, subtitle) is enabled.
3862 * Subtitles are special. For audio and video, setting "enabled" also
3863 * makes the track "default" (i.e. it is rendered when played). For
3864 * subtitles, an "enabled" subtitle is not rendered by default, but
3865 * if no subtitle is enabled, the subtitle menu in QuickTime will be
3868 static void enable_tracks(AVFormatContext
*s
)
3870 MOVMuxContext
*mov
= s
->priv_data
;
3872 int enabled
[AVMEDIA_TYPE_NB
];
3873 int first
[AVMEDIA_TYPE_NB
];
3875 for (i
= 0; i
< AVMEDIA_TYPE_NB
; i
++) {
3880 for (i
= 0; i
< s
->nb_streams
; i
++) {
3881 AVStream
*st
= s
->streams
[i
];
3883 if (st
->codec
->codec_type
<= AVMEDIA_TYPE_UNKNOWN
||
3884 st
->codec
->codec_type
>= AVMEDIA_TYPE_NB
)
3887 if (first
[st
->codec
->codec_type
] < 0)
3888 first
[st
->codec
->codec_type
] = i
;
3889 if (st
->disposition
& AV_DISPOSITION_DEFAULT
) {
3890 mov
->tracks
[i
].flags
|= MOV_TRACK_ENABLED
;
3891 enabled
[st
->codec
->codec_type
]++;
3895 for (i
= 0; i
< AVMEDIA_TYPE_NB
; i
++) {
3897 case AVMEDIA_TYPE_VIDEO
:
3898 case AVMEDIA_TYPE_AUDIO
:
3899 case AVMEDIA_TYPE_SUBTITLE
:
3901 mov
->per_stream_grouping
= 1;
3902 if (!enabled
[i
] && first
[i
] >= 0)
3903 mov
->tracks
[first
[i
]].flags
|= MOV_TRACK_ENABLED
;
3909 static void mov_free(AVFormatContext
*s
)
3911 MOVMuxContext
*mov
= s
->priv_data
;
3914 if (mov
->chapter_track
) {
3915 if (mov
->tracks
[mov
->chapter_track
].enc
)
3916 av_freep(&mov
->tracks
[mov
->chapter_track
].enc
->extradata
);
3917 av_freep(&mov
->tracks
[mov
->chapter_track
].enc
);
3920 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3921 if (mov
->tracks
[i
].tag
== MKTAG('r','t','p',' '))
3922 ff_mov_close_hinting(&mov
->tracks
[i
]);
3923 else if (mov
->tracks
[i
].tag
== MKTAG('t','m','c','d') && mov
->nb_meta_tmcd
)
3924 av_freep(&mov
->tracks
[i
].enc
);
3925 av_freep(&mov
->tracks
[i
].cluster
);
3926 av_freep(&mov
->tracks
[i
].frag_info
);
3928 if (mov
->tracks
[i
].vos_len
)
3929 av_freep(&mov
->tracks
[i
].vos_data
);
3932 av_freep(&mov
->tracks
);
3935 static uint32_t rgb_to_yuv(uint32_t rgb
)
3940 r
= (rgb
>> 16) & 0xFF;
3941 g
= (rgb
>> 8) & 0xFF;
3944 y
= av_clip_uint8( 16. + 0.257 * r
+ 0.504 * g
+ 0.098 * b
);
3945 cb
= av_clip_uint8(128. - 0.148 * r
- 0.291 * g
+ 0.439 * b
);
3946 cr
= av_clip_uint8(128. + 0.439 * r
- 0.368 * g
- 0.071 * b
);
3948 return (y
<< 16) | (cr
<< 8) | cb
;
3951 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack
*track
,
3954 int i
, width
= 720, height
= 480;
3955 int have_palette
= 0, have_size
= 0;
3956 uint32_t palette
[16];
3957 char *cur
= st
->codec
->extradata
;
3959 while (cur
&& *cur
) {
3960 if (strncmp("palette:", cur
, 8) == 0) {
3962 count
= sscanf(cur
+ 8,
3963 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
", "
3964 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
", "
3965 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
", "
3966 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
"",
3967 &palette
[ 0], &palette
[ 1], &palette
[ 2], &palette
[ 3],
3968 &palette
[ 4], &palette
[ 5], &palette
[ 6], &palette
[ 7],
3969 &palette
[ 8], &palette
[ 9], &palette
[10], &palette
[11],
3970 &palette
[12], &palette
[13], &palette
[14], &palette
[15]);
3972 for (i
= 0; i
< count
; i
++) {
3973 palette
[i
] = rgb_to_yuv(palette
[i
]);
3976 } else if (!strncmp("size:", cur
, 5)) {
3977 sscanf(cur
+ 5, "%dx%d", &width
, &height
);
3980 if (have_palette
&& have_size
)
3982 cur
+= strcspn(cur
, "\n\r");
3983 cur
+= strspn(cur
, "\n\r");
3986 track
->vos_data
= av_malloc(16*4);
3987 if (!track
->vos_data
)
3988 return AVERROR(ENOMEM
);
3989 for (i
= 0; i
< 16; i
++) {
3990 AV_WB32(track
->vos_data
+ i
* 4, palette
[i
]);
3992 track
->vos_len
= 16 * 4;
3994 st
->codec
->width
= width
;
3995 st
->codec
->height
= track
->height
= height
;
4000 static int mov_write_header(AVFormatContext
*s
)
4002 AVIOContext
*pb
= s
->pb
;
4003 MOVMuxContext
*mov
= s
->priv_data
;
4004 AVDictionaryEntry
*t
, *global_tcr
= av_dict_get(s
->metadata
, "timecode", NULL
, 0);
4005 int i
, ret
, hint_track
= 0, tmcd_track
= 0;
4009 /* Default mode == MP4 */
4010 mov
->mode
= MODE_MP4
;
4013 if (!strcmp("3gp", s
->oformat
->name
)) mov
->mode
= MODE_3GP
;
4014 else if (!strcmp("3g2", s
->oformat
->name
)) mov
->mode
= MODE_3GP
|MODE_3G2
;
4015 else if (!strcmp("mov", s
->oformat
->name
)) mov
->mode
= MODE_MOV
;
4016 else if (!strcmp("psp", s
->oformat
->name
)) mov
->mode
= MODE_PSP
;
4017 else if (!strcmp("ipod",s
->oformat
->name
)) mov
->mode
= MODE_IPOD
;
4018 else if (!strcmp("ismv",s
->oformat
->name
)) mov
->mode
= MODE_ISM
;
4019 else if (!strcmp("f4v", s
->oformat
->name
)) mov
->mode
= MODE_F4V
;
4022 if (s
->flags
& AVFMT_FLAG_BITEXACT
)
4025 /* Set the FRAGMENT flag if any of the fragmentation methods are
4027 if (mov
->max_fragment_duration
|| mov
->max_fragment_size
||
4028 mov
->flags
& (FF_MOV_FLAG_EMPTY_MOOV
|
4029 FF_MOV_FLAG_FRAG_KEYFRAME
|
4030 FF_MOV_FLAG_FRAG_CUSTOM
))
4031 mov
->flags
|= FF_MOV_FLAG_FRAGMENT
;
4033 /* Set other implicit flags immediately */
4034 if (mov
->mode
== MODE_ISM
)
4035 mov
->flags
|= FF_MOV_FLAG_EMPTY_MOOV
| FF_MOV_FLAG_SEPARATE_MOOF
|
4036 FF_MOV_FLAG_FRAGMENT
;
4038 /* faststart: moov at the beginning of the file, if supported */
4039 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
) {
4040 if ((mov
->flags
& FF_MOV_FLAG_FRAGMENT
) ||
4041 (s
->flags
& AVFMT_FLAG_CUSTOM_IO
)) {
4042 av_log(s
, AV_LOG_WARNING
, "The faststart flag is incompatible "
4043 "with fragmentation and custom IO, disabling faststart\n");
4044 mov
->flags
&= ~FF_MOV_FLAG_FASTSTART
;
4046 mov
->reserved_moov_size
= -1;
4049 if (!supports_edts(mov
) && s
->avoid_negative_ts
< 0) {
4050 s
->avoid_negative_ts
= 2;
4053 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4054 * is enabled, we don't support non-seekable output at all. */
4055 if (!s
->pb
->seekable
&&
4056 (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
) || mov
->ism_lookahead
)) {
4057 av_log(s
, AV_LOG_ERROR
, "muxer does not support non seekable output\n");
4058 return AVERROR(EINVAL
);
4061 mov_write_ftyp_tag(pb
,s
);
4062 if (mov
->mode
== MODE_PSP
) {
4063 int video_streams_nb
= 0, audio_streams_nb
= 0, other_streams_nb
= 0;
4064 for (i
= 0; i
< s
->nb_streams
; i
++) {
4065 AVStream
*st
= s
->streams
[i
];
4066 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)
4068 else if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
)
4074 if (video_streams_nb
!= 1 || audio_streams_nb
!= 1 || other_streams_nb
) {
4075 av_log(s
, AV_LOG_ERROR
, "PSP mode need one video and one audio stream\n");
4076 return AVERROR(EINVAL
);
4078 mov_write_uuidprof_tag(pb
, s
);
4081 mov
->nb_streams
= s
->nb_streams
;
4082 if (mov
->mode
& (MODE_MP4
|MODE_MOV
|MODE_IPOD
) && s
->nb_chapters
)
4083 mov
->chapter_track
= mov
->nb_streams
++;
4085 if (mov
->flags
& FF_MOV_FLAG_RTP_HINT
) {
4086 /* Add hint tracks for each audio and video stream */
4087 hint_track
= mov
->nb_streams
;
4088 for (i
= 0; i
< s
->nb_streams
; i
++) {
4089 AVStream
*st
= s
->streams
[i
];
4090 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
||
4091 st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
4097 if (mov
->mode
== MODE_MOV
) {
4098 tmcd_track
= mov
->nb_streams
;
4100 /* +1 tmcd track for each video stream with a timecode */
4101 for (i
= 0; i
< s
->nb_streams
; i
++) {
4102 AVStream
*st
= s
->streams
[i
];
4103 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
4104 (global_tcr
|| av_dict_get(st
->metadata
, "timecode", NULL
, 0)))
4105 mov
->nb_meta_tmcd
++;
4108 /* check if there is already a tmcd track to remux */
4109 if (mov
->nb_meta_tmcd
) {
4110 for (i
= 0; i
< s
->nb_streams
; i
++) {
4111 AVStream
*st
= s
->streams
[i
];
4112 if (st
->codec
->codec_tag
== MKTAG('t','m','c','d')) {
4113 av_log(s
, AV_LOG_WARNING
, "You requested a copy of the original timecode track "
4114 "so timecode metadata are now ignored\n");
4115 mov
->nb_meta_tmcd
= 0;
4120 mov
->nb_streams
+= mov
->nb_meta_tmcd
;
4123 // Reserve an extra stream for chapters for the case where chapters
4124 // are written in the trailer
4125 mov
->tracks
= av_mallocz_array((mov
->nb_streams
+ 1), sizeof(*mov
->tracks
));
4127 return AVERROR(ENOMEM
);
4129 for (i
= 0; i
< s
->nb_streams
; i
++) {
4130 AVStream
*st
= s
->streams
[i
];
4131 MOVTrack
*track
= &mov
->tracks
[i
];
4132 AVDictionaryEntry
*lang
= av_dict_get(st
->metadata
, "language", NULL
,0);
4135 track
->enc
= st
->codec
;
4136 track
->language
= ff_mov_iso639_to_lang(lang
?lang
->value
:"und", mov
->mode
!=MODE_MOV
);
4137 if (track
->language
< 0)
4138 track
->language
= 0;
4139 track
->mode
= mov
->mode
;
4140 track
->tag
= mov_find_codec_tag(s
, track
);
4142 av_log(s
, AV_LOG_ERROR
, "Could not find tag for codec %s in stream #%d, "
4143 "codec not currently supported in container\n",
4144 avcodec_get_name(st
->codec
->codec_id
), i
);
4145 ret
= AVERROR(EINVAL
);
4148 /* If hinting of this track is enabled by a later hint track,
4149 * this is updated. */
4150 track
->hint_track
= -1;
4151 track
->start_dts
= AV_NOPTS_VALUE
;
4152 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
4153 if (track
->tag
== MKTAG('m','x','3','p') || track
->tag
== MKTAG('m','x','3','n') ||
4154 track
->tag
== MKTAG('m','x','4','p') || track
->tag
== MKTAG('m','x','4','n') ||
4155 track
->tag
== MKTAG('m','x','5','p') || track
->tag
== MKTAG('m','x','5','n')) {
4156 if (st
->codec
->width
!= 720 || (st
->codec
->height
!= 608 && st
->codec
->height
!= 512)) {
4157 av_log(s
, AV_LOG_ERROR
, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4158 ret
= AVERROR(EINVAL
);
4161 track
->height
= track
->tag
>> 24 == 'n' ? 486 : 576;
4163 if (mov
->video_track_timescale
) {
4164 track
->timescale
= mov
->video_track_timescale
;
4166 track
->timescale
= st
->time_base
.den
;
4167 while(track
->timescale
< 10000)
4168 track
->timescale
*= 2;
4170 if (st
->codec
->width
> 65535 || st
->codec
->height
> 65535) {
4171 av_log(s
, AV_LOG_ERROR
, "Resolution %dx%d too large for mov/mp4\n", st
->codec
->width
, st
->codec
->height
);
4172 ret
= AVERROR(EINVAL
);
4175 if (track
->mode
== MODE_MOV
&& track
->timescale
> 100000)
4176 av_log(s
, AV_LOG_WARNING
,
4177 "WARNING codec timebase is very high. If duration is too long,\n"
4178 "file may not be playable by quicktime. Specify a shorter timebase\n"
4179 "or choose different container.\n");
4180 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
4181 track
->timescale
= st
->codec
->sample_rate
;
4182 if (!st
->codec
->frame_size
&& !av_get_bits_per_sample(st
->codec
->codec_id
)) {
4183 av_log(s
, AV_LOG_WARNING
, "track %d: codec frame size is not set\n", i
);
4184 track
->audio_vbr
= 1;
4185 }else if (st
->codec
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
4186 st
->codec
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
||
4187 st
->codec
->codec_id
== AV_CODEC_ID_ILBC
){
4188 if (!st
->codec
->block_align
) {
4189 av_log(s
, AV_LOG_ERROR
, "track %d: codec block align is not set for adpcm\n", i
);
4190 ret
= AVERROR(EINVAL
);
4193 track
->sample_size
= st
->codec
->block_align
;
4194 }else if (st
->codec
->frame_size
> 1){ /* assume compressed audio */
4195 track
->audio_vbr
= 1;
4197 track
->sample_size
= (av_get_bits_per_sample(st
->codec
->codec_id
) >> 3) * st
->codec
->channels
;
4199 if (st
->codec
->codec_id
== AV_CODEC_ID_ILBC
||
4200 st
->codec
->codec_id
== AV_CODEC_ID_ADPCM_IMA_QT
) {
4201 track
->audio_vbr
= 1;
4203 if (track
->mode
!= MODE_MOV
&&
4204 track
->enc
->codec_id
== AV_CODEC_ID_MP3
&& track
->timescale
< 16000) {
4205 av_log(s
, AV_LOG_ERROR
, "track %d: muxing mp3 at %dhz is not supported\n",
4206 i
, track
->enc
->sample_rate
);
4207 ret
= AVERROR(EINVAL
);
4210 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
4211 track
->timescale
= st
->time_base
.den
;
4212 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_DATA
) {
4213 track
->timescale
= st
->time_base
.den
;
4215 track
->timescale
= MOV_TIMESCALE
;
4218 track
->height
= st
->codec
->height
;
4219 /* The ism specific timescale isn't mandatory, but is assumed by
4220 * some tools, such as mp4split. */
4221 if (mov
->mode
== MODE_ISM
)
4222 track
->timescale
= 10000000;
4224 avpriv_set_pts_info(st
, 64, 1, track
->timescale
);
4226 /* copy extradata if it exists */
4227 if (st
->codec
->extradata_size
) {
4228 if (st
->codec
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
)
4229 mov_create_dvd_sub_decoder_specific_info(track
, st
);
4231 track
->vos_len
= st
->codec
->extradata_size
;
4232 track
->vos_data
= av_malloc(track
->vos_len
);
4233 memcpy(track
->vos_data
, st
->codec
->extradata
, track
->vos_len
);
4238 for (i
= 0; i
< s
->nb_streams
; i
++) {
4240 AVStream
*st
= s
->streams
[i
];
4241 MOVTrack
*track
= &mov
->tracks
[i
];
4243 if (st
->codec
->codec_type
!= AVMEDIA_TYPE_AUDIO
||
4244 track
->enc
->channel_layout
!= AV_CH_LAYOUT_MONO
)
4247 for (j
= 0; j
< s
->nb_streams
; j
++) {
4248 AVStream
*stj
= s
->streams
[j
];
4249 MOVTrack
*trackj
= &mov
->tracks
[j
];
4253 if (stj
->codec
->codec_type
!= AVMEDIA_TYPE_AUDIO
||
4254 trackj
->enc
->channel_layout
!= AV_CH_LAYOUT_MONO
||
4255 trackj
->language
!= track
->language
||
4256 trackj
->tag
!= track
->tag
4259 track
->multichannel_as_mono
++;
4266 if (mov
->reserved_moov_size
){
4267 mov
->reserved_moov_pos
= avio_tell(pb
);
4268 if (mov
->reserved_moov_size
> 0)
4269 avio_skip(pb
, mov
->reserved_moov_size
);
4272 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
4273 /* If no fragmentation options have been set, set a default. */
4274 if (!(mov
->flags
& (FF_MOV_FLAG_FRAG_KEYFRAME
|
4275 FF_MOV_FLAG_FRAG_CUSTOM
)) &&
4276 !mov
->max_fragment_duration
&& !mov
->max_fragment_size
)
4277 mov
->flags
|= FF_MOV_FLAG_FRAG_KEYFRAME
;
4279 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
)
4280 mov
->reserved_moov_pos
= avio_tell(pb
);
4281 mov_write_mdat_tag(pb
, mov
);
4284 if (t
= av_dict_get(s
->metadata
, "creation_time", NULL
, 0))
4285 mov
->time
= ff_iso8601_to_unix_time(t
->value
);
4287 mov
->time
+= 0x7C25B080; // 1970 based -> 1904 based
4289 if (mov
->chapter_track
)
4290 if ((ret
= mov_create_chapter_track(s
, mov
->chapter_track
)) < 0)
4293 if (mov
->flags
& FF_MOV_FLAG_RTP_HINT
) {
4294 /* Initialize the hint tracks for each audio and video stream */
4295 for (i
= 0; i
< s
->nb_streams
; i
++) {
4296 AVStream
*st
= s
->streams
[i
];
4297 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
||
4298 st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
4299 if ((ret
= ff_mov_init_hinting(s
, hint_track
, i
)) < 0)
4306 if (mov
->nb_meta_tmcd
) {
4307 /* Initialize the tmcd tracks */
4308 for (i
= 0; i
< s
->nb_streams
; i
++) {
4309 AVStream
*st
= s
->streams
[i
];
4312 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
4314 t
= av_dict_get(st
->metadata
, "timecode", NULL
, 0);
4317 if ((ret
= mov_create_timecode_track(s
, tmcd_track
, i
, t
->value
)) < 0)
4326 if (mov
->flags
& FF_MOV_FLAG_ISML
)
4327 mov_write_isml_manifest(pb
, mov
);
4329 if (mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
) {
4330 mov_write_moov_tag(pb
, mov
, s
);
4340 static int get_moov_size(AVFormatContext
*s
)
4343 AVIOContext
*moov_buf
;
4344 MOVMuxContext
*mov
= s
->priv_data
;
4346 if ((ret
= ffio_open_null_buf(&moov_buf
)) < 0)
4348 mov_write_moov_tag(moov_buf
, mov
, s
);
4349 return ffio_close_null_buf(moov_buf
);
4353 * This function gets the moov size if moved to the top of the file: the chunk
4354 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4355 * entries) when the moov is moved to the beginning, so the size of the moov
4356 * would change. It also updates the chunk offset tables.
4358 static int compute_moov_size(AVFormatContext
*s
)
4360 int i
, moov_size
, moov_size2
;
4361 MOVMuxContext
*mov
= s
->priv_data
;
4363 moov_size
= get_moov_size(s
);
4367 for (i
= 0; i
< mov
->nb_streams
; i
++)
4368 mov
->tracks
[i
].data_offset
+= moov_size
;
4370 moov_size2
= get_moov_size(s
);
4374 /* if the size changed, we just switched from stco to co64 and need to
4375 * update the offsets */
4376 if (moov_size2
!= moov_size
)
4377 for (i
= 0; i
< mov
->nb_streams
; i
++)
4378 mov
->tracks
[i
].data_offset
+= moov_size2
- moov_size
;
4383 static int shift_data(AVFormatContext
*s
)
4385 int ret
= 0, moov_size
;
4386 MOVMuxContext
*mov
= s
->priv_data
;
4387 int64_t pos
, pos_end
= avio_tell(s
->pb
);
4388 uint8_t *buf
, *read_buf
[2];
4389 int read_buf_id
= 0;
4391 AVIOContext
*read_pb
;
4393 moov_size
= compute_moov_size(s
);
4397 buf
= av_malloc(moov_size
* 2);
4399 return AVERROR(ENOMEM
);
4401 read_buf
[1] = buf
+ moov_size
;
4403 /* Shift the data: the AVIO context of the output can only be used for
4404 * writing, so we re-open the same output, but for reading. It also avoids
4405 * a read/seek/write/seek back and forth. */
4407 ret
= avio_open(&read_pb
, s
->filename
, AVIO_FLAG_READ
);
4409 av_log(s
, AV_LOG_ERROR
, "Unable to re-open %s output file for "
4410 "the second pass (faststart)\n", s
->filename
);
4414 /* mark the end of the shift to up to the last data we wrote, and get ready
4416 pos_end
= avio_tell(s
->pb
);
4417 avio_seek(s
->pb
, mov
->reserved_moov_pos
+ moov_size
, SEEK_SET
);
4419 /* start reading at where the new moov will be placed */
4420 avio_seek(read_pb
, mov
->reserved_moov_pos
, SEEK_SET
);
4421 pos
= avio_tell(read_pb
);
4423 #define READ_BLOCK do { \
4424 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4428 /* shift data by chunk of at most moov_size */
4433 n
= read_size
[read_buf_id
];
4436 avio_write(s
->pb
, read_buf
[read_buf_id
], n
);
4438 } while (pos
< pos_end
);
4439 avio_close(read_pb
);
4446 static int mov_write_trailer(AVFormatContext
*s
)
4448 MOVMuxContext
*mov
= s
->priv_data
;
4449 AVIOContext
*pb
= s
->pb
;
4455 * Before actually writing the trailer, make sure that there are no
4456 * dangling subtitles, that need a terminating sample.
4458 for (i
= 0; i
< mov
->nb_streams
; i
++) {
4459 MOVTrack
*trk
= &mov
->tracks
[i
];
4460 if (trk
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
&&
4461 !trk
->last_sample_is_subtitle_end
) {
4462 mov_write_subtitle_end_packet(s
, i
, trk
->track_duration
);
4463 trk
->last_sample_is_subtitle_end
= 1;
4467 // If there were no chapters when the header was written, but there
4468 // are chapters now, write them in the trailer. This only works
4469 // when we are not doing fragments.
4470 if (!mov
->chapter_track
&& !(mov
->flags
& FF_MOV_FLAG_FRAGMENT
)) {
4471 if (mov
->mode
& (MODE_MP4
|MODE_MOV
|MODE_IPOD
) && s
->nb_chapters
) {
4472 mov
->chapter_track
= mov
->nb_streams
++;
4473 if ((res
= mov_create_chapter_track(s
, mov
->chapter_track
)) < 0)
4478 if (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
)) {
4479 moov_pos
= avio_tell(pb
);
4481 /* Write size of mdat tag */
4482 if (mov
->mdat_size
+ 8 <= UINT32_MAX
) {
4483 avio_seek(pb
, mov
->mdat_pos
, SEEK_SET
);
4484 avio_wb32(pb
, mov
->mdat_size
+ 8);
4486 /* overwrite 'wide' placeholder atom */
4487 avio_seek(pb
, mov
->mdat_pos
- 8, SEEK_SET
);
4488 /* special value: real atom size will be 64 bit value after
4491 ffio_wfourcc(pb
, "mdat");
4492 avio_wb64(pb
, mov
->mdat_size
+ 16);
4494 avio_seek(pb
, mov
->reserved_moov_size
> 0 ? mov
->reserved_moov_pos
: moov_pos
, SEEK_SET
);
4496 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
) {
4497 av_log(s
, AV_LOG_INFO
, "Starting second pass: moving the moov atom to the beginning of the file\n");
4498 res
= shift_data(s
);
4500 avio_seek(s
->pb
, mov
->reserved_moov_pos
, SEEK_SET
);
4501 mov_write_moov_tag(pb
, mov
, s
);
4503 } else if (mov
->reserved_moov_size
> 0) {
4505 mov_write_moov_tag(pb
, mov
, s
);
4506 size
= mov
->reserved_moov_size
- (avio_tell(pb
) - mov
->reserved_moov_pos
);
4508 av_log(s
, AV_LOG_ERROR
, "reserved_moov_size is too small, needed %"PRId64
" additional\n", 8-size
);
4511 avio_wb32(pb
, size
);
4512 ffio_wfourcc(pb
, "free");
4513 ffio_fill(pb
, 0, size
- 8);
4514 avio_seek(pb
, moov_pos
, SEEK_SET
);
4516 mov_write_moov_tag(pb
, mov
, s
);
4519 mov_flush_fragment(s
);
4520 mov_write_mfra_tag(pb
, mov
);
4523 for (i
= 0; i
< mov
->nb_streams
; i
++) {
4524 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
&&
4525 mov
->tracks
[i
].vc1_info
.struct_offset
&& s
->pb
->seekable
) {
4526 int64_t off
= avio_tell(pb
);
4528 if (mov_write_dvc1_structs(&mov
->tracks
[i
], buf
) >= 0) {
4529 avio_seek(pb
, mov
->tracks
[i
].vc1_info
.struct_offset
, SEEK_SET
);
4530 avio_write(pb
, buf
, 7);
4531 avio_seek(pb
, off
, SEEK_SET
);
4542 #if CONFIG_MOV_MUXER
4544 AVOutputFormat ff_mov_muxer
= {
4546 .long_name
= NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4547 .extensions
= "mov",
4548 .priv_data_size
= sizeof(MOVMuxContext
),
4549 .audio_codec
= AV_CODEC_ID_AAC
,
4550 .video_codec
= CONFIG_LIBX264_ENCODER
?
4551 AV_CODEC_ID_H264
: AV_CODEC_ID_MPEG4
,
4552 .write_header
= mov_write_header
,
4553 .write_packet
= mov_write_packet
,
4554 .write_trailer
= mov_write_trailer
,
4555 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4556 .codec_tag
= (const AVCodecTag
* const []){
4557 ff_codec_movvideo_tags
, ff_codec_movaudio_tags
, 0
4559 .priv_class
= &mov_muxer_class
,
4562 #if CONFIG_TGP_MUXER
4564 AVOutputFormat ff_tgp_muxer
= {
4566 .long_name
= NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4567 .extensions
= "3gp",
4568 .priv_data_size
= sizeof(MOVMuxContext
),
4569 .audio_codec
= AV_CODEC_ID_AMR_NB
,
4570 .video_codec
= AV_CODEC_ID_H263
,
4571 .write_header
= mov_write_header
,
4572 .write_packet
= mov_write_packet
,
4573 .write_trailer
= mov_write_trailer
,
4574 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4575 .codec_tag
= (const AVCodecTag
* const []){ codec_3gp_tags
, 0 },
4576 .priv_class
= &tgp_muxer_class
,
4579 #if CONFIG_MP4_MUXER
4581 AVOutputFormat ff_mp4_muxer
= {
4583 .long_name
= NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4584 .mime_type
= "application/mp4",
4585 .extensions
= "mp4",
4586 .priv_data_size
= sizeof(MOVMuxContext
),
4587 .audio_codec
= AV_CODEC_ID_AAC
,
4588 .video_codec
= CONFIG_LIBX264_ENCODER
?
4589 AV_CODEC_ID_H264
: AV_CODEC_ID_MPEG4
,
4590 .write_header
= mov_write_header
,
4591 .write_packet
= mov_write_packet
,
4592 .write_trailer
= mov_write_trailer
,
4593 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4594 .codec_tag
= (const AVCodecTag
* const []){ ff_mp4_obj_type
, 0 },
4595 .priv_class
= &mp4_muxer_class
,
4598 #if CONFIG_PSP_MUXER
4600 AVOutputFormat ff_psp_muxer
= {
4602 .long_name
= NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4603 .extensions
= "mp4,psp",
4604 .priv_data_size
= sizeof(MOVMuxContext
),
4605 .audio_codec
= AV_CODEC_ID_AAC
,
4606 .video_codec
= CONFIG_LIBX264_ENCODER
?
4607 AV_CODEC_ID_H264
: AV_CODEC_ID_MPEG4
,
4608 .write_header
= mov_write_header
,
4609 .write_packet
= mov_write_packet
,
4610 .write_trailer
= mov_write_trailer
,
4611 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4612 .codec_tag
= (const AVCodecTag
* const []){ ff_mp4_obj_type
, 0 },
4613 .priv_class
= &psp_muxer_class
,
4616 #if CONFIG_TG2_MUXER
4618 AVOutputFormat ff_tg2_muxer
= {
4620 .long_name
= NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4621 .extensions
= "3g2",
4622 .priv_data_size
= sizeof(MOVMuxContext
),
4623 .audio_codec
= AV_CODEC_ID_AMR_NB
,
4624 .video_codec
= AV_CODEC_ID_H263
,
4625 .write_header
= mov_write_header
,
4626 .write_packet
= mov_write_packet
,
4627 .write_trailer
= mov_write_trailer
,
4628 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4629 .codec_tag
= (const AVCodecTag
* const []){ codec_3gp_tags
, 0 },
4630 .priv_class
= &tg2_muxer_class
,
4633 #if CONFIG_IPOD_MUXER
4635 AVOutputFormat ff_ipod_muxer
= {
4637 .long_name
= NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4638 .mime_type
= "application/mp4",
4639 .extensions
= "m4v,m4a",
4640 .priv_data_size
= sizeof(MOVMuxContext
),
4641 .audio_codec
= AV_CODEC_ID_AAC
,
4642 .video_codec
= AV_CODEC_ID_H264
,
4643 .write_header
= mov_write_header
,
4644 .write_packet
= mov_write_packet
,
4645 .write_trailer
= mov_write_trailer
,
4646 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4647 .codec_tag
= (const AVCodecTag
* const []){ codec_ipod_tags
, 0 },
4648 .priv_class
= &ipod_muxer_class
,
4651 #if CONFIG_ISMV_MUXER
4653 AVOutputFormat ff_ismv_muxer
= {
4655 .long_name
= NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4656 .mime_type
= "application/mp4",
4657 .extensions
= "ismv,isma",
4658 .priv_data_size
= sizeof(MOVMuxContext
),
4659 .audio_codec
= AV_CODEC_ID_AAC
,
4660 .video_codec
= AV_CODEC_ID_H264
,
4661 .write_header
= mov_write_header
,
4662 .write_packet
= mov_write_packet
,
4663 .write_trailer
= mov_write_trailer
,
4664 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
4665 .codec_tag
= (const AVCodecTag
* const []){ ff_mp4_obj_type
, 0 },
4666 .priv_class
= &ismv_muxer_class
,
4669 #if CONFIG_F4V_MUXER
4671 AVOutputFormat ff_f4v_muxer
= {
4673 .long_name
= NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4674 .mime_type
= "application/f4v",
4675 .extensions
= "f4v",
4676 .priv_data_size
= sizeof(MOVMuxContext
),
4677 .audio_codec
= AV_CODEC_ID_AAC
,
4678 .video_codec
= AV_CODEC_ID_H264
,
4679 .write_header
= mov_write_header
,
4680 .write_packet
= mov_write_packet
,
4681 .write_trailer
= mov_write_trailer
,
4682 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
,
4683 .codec_tag
= (const AVCodecTag
* const []){ codec_f4v_tags
, 0 },
4684 .priv_class
= &f4v_muxer_class
,