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/ac3_parser.h"
35 #include "libavcodec/get_bits.h"
36 #include "libavcodec/put_bits.h"
37 #include "libavcodec/vc1_common.h"
38 #include "libavcodec/raw.h"
40 #include "libavutil/avstring.h"
41 #include "libavutil/intfloat.h"
42 #include "libavutil/mathematics.h"
43 #include "libavutil/opt.h"
44 #include "libavutil/dict.h"
45 #include "libavutil/pixdesc.h"
46 #include "libavutil/timecode.h"
54 static const AVOption options
[] = {
55 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext
, flags
), AV_OPT_TYPE_FLAGS
, {.i64
= 0}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
56 { "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" },
57 { "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 },
58 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_EMPTY_MOOV
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "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" },
65 { "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" },
66 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_DEFAULT_BASE_MOOF
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
67 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_DASH
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
68 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST
, {.i64
= FF_MOV_FLAG_FRAG_DISCONT
}, INT_MIN
, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
, "movflags" },
69 FF_RTP_FLAG_OPTS(MOVMuxContext
, rtp_flags
),
70 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext
, iods_skip
), AV_OPT_TYPE_INT
, {.i64
= 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM
},
71 { "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
},
72 { "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
},
73 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext
, max_fragment_duration
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
74 { "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
},
75 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext
, max_fragment_size
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
76 { "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
},
77 { "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
},
78 { "brand", "Override major brand", offsetof(MOVMuxContext
, major_brand
), AV_OPT_TYPE_STRING
, {.str
= NULL
}, .flags
= AV_OPT_FLAG_ENCODING_PARAM
},
79 { "use_editlist", "use edit list", offsetof(MOVMuxContext
, use_editlist
), AV_OPT_TYPE_INT
, {.i64
= -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM
},
80 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext
, fragments
), AV_OPT_TYPE_INT
, {.i64
= 0}, 0, INT_MAX
, AV_OPT_FLAG_ENCODING_PARAM
},
84 #define MOV_CLASS(flavor)\
85 static const AVClass flavor ## _muxer_class = {\
86 .class_name = #flavor " muxer",\
87 .item_name = av_default_item_name,\
89 .version = LIBAVUTIL_VERSION_INT,\
92 static int get_moov_size(AVFormatContext
*s
);
94 static int utf8len(const uint8_t *b
)
99 GET_UTF8(val
, *b
++, return -1;)
105 //FIXME support 64 bit variant with wide placeholders
106 static int64_t update_size(AVIOContext
*pb
, int64_t pos
)
108 int64_t curpos
= avio_tell(pb
);
109 avio_seek(pb
, pos
, SEEK_SET
);
110 avio_wb32(pb
, curpos
- pos
); /* rewrite size */
111 avio_seek(pb
, curpos
, SEEK_SET
);
116 static int co64_required(const MOVTrack
*track
)
118 if (track
->entry
> 0 && track
->cluster
[track
->entry
- 1].pos
+ track
->data_offset
> UINT32_MAX
)
123 /* Chunk offset atom */
124 static int mov_write_stco_tag(AVIOContext
*pb
, MOVTrack
*track
)
127 int mode64
= co64_required(track
); // use 32 bit size variant if possible
128 int64_t pos
= avio_tell(pb
);
129 avio_wb32(pb
, 0); /* size */
131 ffio_wfourcc(pb
, "co64");
133 ffio_wfourcc(pb
, "stco");
134 avio_wb32(pb
, 0); /* version & flags */
135 avio_wb32(pb
, track
->chunkCount
); /* entry count */
136 for (i
= 0; i
< track
->entry
; i
++) {
137 if (!track
->cluster
[i
].chunkNum
)
140 avio_wb64(pb
, track
->cluster
[i
].pos
+ track
->data_offset
);
142 avio_wb32(pb
, track
->cluster
[i
].pos
+ track
->data_offset
);
144 return update_size(pb
, pos
);
147 /* Sample size atom */
148 static int mov_write_stsz_tag(AVIOContext
*pb
, MOVTrack
*track
)
151 int i
, j
, entries
= 0, tst
= -1, oldtst
= -1;
153 int64_t pos
= avio_tell(pb
);
154 avio_wb32(pb
, 0); /* size */
155 ffio_wfourcc(pb
, "stsz");
156 avio_wb32(pb
, 0); /* version & flags */
158 for (i
= 0; i
< track
->entry
; i
++) {
159 tst
= track
->cluster
[i
].size
/ track
->cluster
[i
].entries
;
160 if (oldtst
!= -1 && tst
!= oldtst
)
163 entries
+= track
->cluster
[i
].entries
;
165 if (equalChunks
&& track
->entry
) {
166 int sSize
= track
->entry
? track
->cluster
[0].size
/ track
->cluster
[0].entries
: 0;
167 sSize
= FFMAX(1, sSize
); // adpcm mono case could make sSize == 0
168 avio_wb32(pb
, sSize
); // sample size
169 avio_wb32(pb
, entries
); // sample count
171 avio_wb32(pb
, 0); // sample size
172 avio_wb32(pb
, entries
); // sample count
173 for (i
= 0; i
< track
->entry
; i
++) {
174 for (j
= 0; j
< track
->cluster
[i
].entries
; j
++) {
175 avio_wb32(pb
, track
->cluster
[i
].size
/
176 track
->cluster
[i
].entries
);
180 return update_size(pb
, pos
);
183 /* Sample to chunk atom */
184 static int mov_write_stsc_tag(AVIOContext
*pb
, MOVTrack
*track
)
186 int index
= 0, oldval
= -1, i
;
187 int64_t entryPos
, curpos
;
189 int64_t pos
= avio_tell(pb
);
190 avio_wb32(pb
, 0); /* size */
191 ffio_wfourcc(pb
, "stsc");
192 avio_wb32(pb
, 0); // version & flags
193 entryPos
= avio_tell(pb
);
194 avio_wb32(pb
, track
->chunkCount
); // entry count
195 for (i
= 0; i
< track
->entry
; i
++) {
196 if (oldval
!= track
->cluster
[i
].samples_in_chunk
&& track
->cluster
[i
].chunkNum
) {
197 avio_wb32(pb
, track
->cluster
[i
].chunkNum
); // first chunk
198 avio_wb32(pb
, track
->cluster
[i
].samples_in_chunk
); // samples per chunk
199 avio_wb32(pb
, 0x1); // sample description index
200 oldval
= track
->cluster
[i
].samples_in_chunk
;
204 curpos
= avio_tell(pb
);
205 avio_seek(pb
, entryPos
, SEEK_SET
);
206 avio_wb32(pb
, index
); // rewrite size
207 avio_seek(pb
, curpos
, SEEK_SET
);
209 return update_size(pb
, pos
);
212 /* Sync sample atom */
213 static int mov_write_stss_tag(AVIOContext
*pb
, MOVTrack
*track
, uint32_t flag
)
215 int64_t curpos
, entryPos
;
217 int64_t pos
= avio_tell(pb
);
218 avio_wb32(pb
, 0); // size
219 ffio_wfourcc(pb
, flag
== MOV_SYNC_SAMPLE
? "stss" : "stps");
220 avio_wb32(pb
, 0); // version & flags
221 entryPos
= avio_tell(pb
);
222 avio_wb32(pb
, track
->entry
); // entry count
223 for (i
= 0; i
< track
->entry
; i
++) {
224 if (track
->cluster
[i
].flags
& flag
) {
225 avio_wb32(pb
, i
+ 1);
229 curpos
= avio_tell(pb
);
230 avio_seek(pb
, entryPos
, SEEK_SET
);
231 avio_wb32(pb
, index
); // rewrite size
232 avio_seek(pb
, curpos
, SEEK_SET
);
233 return update_size(pb
, pos
);
236 static int mov_write_amr_tag(AVIOContext
*pb
, MOVTrack
*track
)
238 avio_wb32(pb
, 0x11); /* size */
239 if (track
->mode
== MODE_MOV
) ffio_wfourcc(pb
, "samr");
240 else ffio_wfourcc(pb
, "damr");
241 ffio_wfourcc(pb
, "FFMP");
242 avio_w8(pb
, 0); /* decoder version */
244 avio_wb16(pb
, 0x81FF); /* Mode set (all modes for AMR_NB) */
245 avio_w8(pb
, 0x00); /* Mode change period (no restriction) */
246 avio_w8(pb
, 0x01); /* Frames per sample */
250 static int mov_write_ac3_tag(AVIOContext
*pb
, MOVTrack
*track
)
255 int fscod
, bsid
, bsmod
, acmod
, lfeon
, frmsizecod
;
257 if (track
->vos_len
< 7)
261 ffio_wfourcc(pb
, "dac3");
263 init_get_bits(&gbc
, track
->vos_data
+ 4, (track
->vos_len
- 4) * 8);
264 fscod
= get_bits(&gbc
, 2);
265 frmsizecod
= get_bits(&gbc
, 6);
266 bsid
= get_bits(&gbc
, 5);
267 bsmod
= get_bits(&gbc
, 3);
268 acmod
= get_bits(&gbc
, 3);
270 skip_bits(&gbc
, 2); // dsurmod
272 if ((acmod
& 1) && acmod
!= 1)
273 skip_bits(&gbc
, 2); // cmixlev
275 skip_bits(&gbc
, 2); // surmixlev
277 lfeon
= get_bits1(&gbc
);
279 init_put_bits(&pbc
, buf
, sizeof(buf
));
280 put_bits(&pbc
, 2, fscod
);
281 put_bits(&pbc
, 5, bsid
);
282 put_bits(&pbc
, 3, bsmod
);
283 put_bits(&pbc
, 3, acmod
);
284 put_bits(&pbc
, 1, lfeon
);
285 put_bits(&pbc
, 5, frmsizecod
>> 1); // bit_rate_code
286 put_bits(&pbc
, 5, 0); // reserved
288 flush_put_bits(&pbc
);
289 avio_write(pb
, buf
, sizeof(buf
));
299 /* Layout of the EC3SpecificBox */
300 /* maximum bitrate */
302 /* number of independent substreams */
305 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
307 /* bit stream identification 5 bits */
309 /* one bit reserved */
310 /* audio service mixing (not supported yet) 1 bit */
311 /* bit stream mode 3 bits */
313 /* audio coding mode 3 bits */
315 /* sub woofer on 1 bit */
317 /* 3 bits reserved */
318 /* number of dependent substreams associated with this substream 4 bits */
320 /* channel locations of the dependent substream(s), if any, 9 bits */
322 /* if there is no dependent substream, then one bit reserved instead */
323 } substream
[1]; /* TODO: support 8 independent substreams */
326 static int handle_eac3(MOVMuxContext
*mov
, AVPacket
*pkt
, MOVTrack
*track
)
329 AC3HeaderInfo tmp
, *hdr
= &tmp
;
330 struct eac3_info
*info
;
333 if (!track
->eac3_priv
&& !(track
->eac3_priv
= av_mallocz(sizeof(*info
))))
334 return AVERROR(ENOMEM
);
335 info
= track
->eac3_priv
;
337 init_get_bits(&gbc
, pkt
->data
, pkt
->size
* 8);
338 if (avpriv_ac3_parse_header2(&gbc
, &hdr
) < 0) {
339 /* drop the packets until we see a good one */
341 av_log(mov
, AV_LOG_WARNING
, "Dropping invalid packet from start of the stream\n");
344 return AVERROR_INVALIDDATA
;
347 info
->data_rate
= FFMAX(info
->data_rate
, hdr
->bit_rate
/ 1000);
348 num_blocks
= hdr
->num_blocks
;
350 if (!info
->ec3_done
) {
351 /* AC-3 substream must be the first one */
352 if (hdr
->bitstream_id
<= 10 && hdr
->substreamid
!= 0)
353 return AVERROR(EINVAL
);
355 /* this should always be the case, given that our AC-3 parser
356 * concatenates dependent frames to their independent parent */
357 if (hdr
->frame_type
== EAC3_FRAME_TYPE_INDEPENDENT
) {
358 /* substream ids must be incremental */
359 if (hdr
->substreamid
> info
->num_ind_sub
+ 1)
360 return AVERROR(EINVAL
);
362 if (hdr
->substreamid
== info
->num_ind_sub
+ 1) {
363 //info->num_ind_sub++;
364 avpriv_request_sample(track
->enc
, "Multiple independent substreams");
365 return AVERROR_PATCHWELCOME
;
366 } else if (hdr
->substreamid
< info
->num_ind_sub
||
367 hdr
->substreamid
== 0 && info
->substream
[0].bsid
) {
373 /* fill the info needed for the "dec3" atom */
374 info
->substream
[hdr
->substreamid
].fscod
= hdr
->sr_code
;
375 info
->substream
[hdr
->substreamid
].bsid
= hdr
->bitstream_id
;
376 info
->substream
[hdr
->substreamid
].bsmod
= hdr
->bitstream_mode
;
377 info
->substream
[hdr
->substreamid
].acmod
= hdr
->channel_mode
;
378 info
->substream
[hdr
->substreamid
].lfeon
= hdr
->lfe_on
;
380 /* Parse dependent substream(s), if any */
381 if (pkt
->size
!= hdr
->frame_size
) {
382 int cumul_size
= hdr
->frame_size
;
383 int parent
= hdr
->substreamid
;
385 while (cumul_size
!= pkt
->size
) {
387 init_get_bits(&gbc
, pkt
->data
+ cumul_size
, (pkt
->size
- cumul_size
) * 8);
388 if (avpriv_ac3_parse_header2(&gbc
, &hdr
) < 0)
389 return AVERROR_INVALIDDATA
;
390 if (hdr
->frame_type
!= EAC3_FRAME_TYPE_DEPENDENT
)
391 return AVERROR(EINVAL
);
392 cumul_size
+= hdr
->frame_size
;
393 info
->substream
[parent
].num_dep_sub
++;
395 /* header is parsed up to lfeon, but custom channel map may be needed */
398 /* skip volume control params */
399 for (i
= 0; i
< (hdr
->channel_mode
? 1 : 2); i
++) {
400 skip_bits(&gbc
, 5); // skip dialog normalization
401 if (get_bits1(&gbc
)) {
402 skip_bits(&gbc
, 8); // skip compression gain word
405 /* get the dependent stream channel map, if exists */
407 info
->substream
[parent
].chan_loc
|= (get_bits(&gbc
, 16) >> 5) & 0x1f;
409 info
->substream
[parent
].chan_loc
|= hdr
->channel_mode
;
415 if (!info
->num_blocks
&& num_blocks
== 6)
417 else if (info
->num_blocks
+ num_blocks
> 6)
418 return AVERROR_INVALIDDATA
;
420 if (!info
->num_blocks
) {
422 if ((ret
= av_copy_packet(&info
->pkt
, pkt
)) < 0)
424 info
->num_blocks
= num_blocks
;
428 if ((ret
= av_grow_packet(&info
->pkt
, pkt
->size
)) < 0)
430 memcpy(info
->pkt
.data
+ info
->pkt
.size
- pkt
->size
, pkt
->data
, pkt
->size
);
431 info
->num_blocks
+= num_blocks
;
432 info
->pkt
.duration
+= pkt
->duration
;
433 if ((ret
= av_copy_packet_side_data(&info
->pkt
, pkt
)) < 0)
435 if (info
->num_blocks
!= 6)
438 if ((ret
= av_copy_packet(pkt
, &info
->pkt
)) < 0)
440 av_free_packet(&info
->pkt
);
441 info
->num_blocks
= 0;
447 static int mov_write_eac3_tag(AVIOContext
*pb
, MOVTrack
*track
)
451 struct eac3_info
*info
;
454 if (!track
->eac3_priv
)
455 return AVERROR(EINVAL
);
457 info
= track
->eac3_priv
;
458 size
= 2 + 4 * (info
->num_ind_sub
+ 1);
459 buf
= av_malloc(size
);
461 size
= AVERROR(ENOMEM
);
465 init_put_bits(&pbc
, buf
, size
);
466 put_bits(&pbc
, 13, info
->data_rate
);
467 put_bits(&pbc
, 3, info
->num_ind_sub
);
468 for (i
= 0; i
<= info
->num_ind_sub
; i
++) {
469 put_bits(&pbc
, 2, info
->substream
[i
].fscod
);
470 put_bits(&pbc
, 5, info
->substream
[i
].bsid
);
471 put_bits(&pbc
, 1, 0); /* reserved */
472 put_bits(&pbc
, 1, 0); /* asvc */
473 put_bits(&pbc
, 3, info
->substream
[i
].bsmod
);
474 put_bits(&pbc
, 3, info
->substream
[i
].acmod
);
475 put_bits(&pbc
, 1, info
->substream
[i
].lfeon
);
476 put_bits(&pbc
, 5, 0); /* reserved */
477 put_bits(&pbc
, 4, info
->substream
[i
].num_dep_sub
);
478 if (!info
->substream
[i
].num_dep_sub
) {
479 put_bits(&pbc
, 1, 0); /* reserved */
482 put_bits(&pbc
, 9, info
->substream
[i
].chan_loc
);
485 flush_put_bits(&pbc
);
487 avio_wb32(pb
, size
+ 8);
488 ffio_wfourcc(pb
, "dec3");
489 avio_write(pb
, buf
, size
);
494 av_free_packet(&info
->pkt
);
495 av_freep(&track
->eac3_priv
);
501 * This function writes extradata "as is".
502 * Extradata must be formatted like a valid atom (with size and tag).
504 static int mov_write_extradata_tag(AVIOContext
*pb
, MOVTrack
*track
)
506 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
507 return track
->enc
->extradata_size
;
510 static int mov_write_enda_tag(AVIOContext
*pb
)
513 ffio_wfourcc(pb
, "enda");
514 avio_wb16(pb
, 1); /* little endian */
518 static int mov_write_enda_tag_be(AVIOContext
*pb
)
521 ffio_wfourcc(pb
, "enda");
522 avio_wb16(pb
, 0); /* big endian */
526 static void put_descr(AVIOContext
*pb
, int tag
, unsigned int size
)
531 avio_w8(pb
, (size
>> (7 * i
)) | 0x80);
532 avio_w8(pb
, size
& 0x7F);
535 static unsigned compute_avg_bitrate(MOVTrack
*track
)
539 if (!track
->track_duration
)
541 for (i
= 0; i
< track
->entry
; i
++)
542 size
+= track
->cluster
[i
].size
;
543 return size
* 8 * track
->timescale
/ track
->track_duration
;
546 static int mov_write_esds_tag(AVIOContext
*pb
, MOVTrack
*track
) // Basic
548 int64_t pos
= avio_tell(pb
);
549 int decoder_specific_info_len
= track
->vos_len
? 5 + track
->vos_len
: 0;
550 unsigned avg_bitrate
;
552 avio_wb32(pb
, 0); // size
553 ffio_wfourcc(pb
, "esds");
554 avio_wb32(pb
, 0); // Version
557 put_descr(pb
, 0x03, 3 + 5+13 + decoder_specific_info_len
+ 5+1);
558 avio_wb16(pb
, track
->track_id
);
559 avio_w8(pb
, 0x00); // flags (= no flags)
561 // DecoderConfig descriptor
562 put_descr(pb
, 0x04, 13 + decoder_specific_info_len
);
564 // Object type indication
565 if ((track
->enc
->codec_id
== AV_CODEC_ID_MP2
||
566 track
->enc
->codec_id
== AV_CODEC_ID_MP3
) &&
567 track
->enc
->sample_rate
> 24000)
568 avio_w8(pb
, 0x6B); // 11172-3
570 avio_w8(pb
, ff_codec_get_tag(ff_mp4_obj_type
, track
->enc
->codec_id
));
572 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
573 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
574 if (track
->enc
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
)
575 avio_w8(pb
, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
576 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
577 avio_w8(pb
, 0x15); // flags (= Audiostream)
579 avio_w8(pb
, 0x11); // flags (= Visualstream)
581 avio_wb24(pb
, track
->enc
->rc_buffer_size
>> 3); // Buffersize DB
583 avg_bitrate
= compute_avg_bitrate(track
);
584 // maxbitrate (FIXME should be max rate in any 1 sec window)
585 avio_wb32(pb
, FFMAX3(track
->enc
->bit_rate
, track
->enc
->rc_max_rate
, avg_bitrate
));
586 avio_wb32(pb
, avg_bitrate
);
588 if (track
->vos_len
) {
589 // DecoderSpecific info descriptor
590 put_descr(pb
, 0x05, track
->vos_len
);
591 avio_write(pb
, track
->vos_data
, track
->vos_len
);
595 put_descr(pb
, 0x06, 1);
597 return update_size(pb
, pos
);
600 static int mov_pcm_le_gt16(enum AVCodecID codec_id
)
602 return codec_id
== AV_CODEC_ID_PCM_S24LE
||
603 codec_id
== AV_CODEC_ID_PCM_S32LE
||
604 codec_id
== AV_CODEC_ID_PCM_F32LE
||
605 codec_id
== AV_CODEC_ID_PCM_F64LE
;
608 static int mov_pcm_be_gt16(enum AVCodecID codec_id
)
610 return codec_id
== AV_CODEC_ID_PCM_S24BE
||
611 codec_id
== AV_CODEC_ID_PCM_S32BE
||
612 codec_id
== AV_CODEC_ID_PCM_F32BE
||
613 codec_id
== AV_CODEC_ID_PCM_F64BE
;
616 static int mov_write_ms_tag(AVIOContext
*pb
, MOVTrack
*track
)
619 int64_t pos
= avio_tell(pb
);
621 avio_wl32(pb
, track
->tag
); // store it byteswapped
622 track
->enc
->codec_tag
= av_bswap16(track
->tag
>> 16);
623 if ((ret
= ff_put_wav_header(pb
, track
->enc
, 0)) < 0)
625 return update_size(pb
, pos
);
628 static int mov_write_wfex_tag(AVIOContext
*pb
, MOVTrack
*track
)
631 int64_t pos
= avio_tell(pb
);
633 ffio_wfourcc(pb
, "wfex");
634 if ((ret
= ff_put_wav_header(pb
, track
->enc
, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX
)) < 0)
636 return update_size(pb
, pos
);
639 static int mov_write_chan_tag(AVIOContext
*pb
, MOVTrack
*track
)
641 uint32_t layout_tag
, bitmap
;
642 int64_t pos
= avio_tell(pb
);
644 layout_tag
= ff_mov_get_channel_layout_tag(track
->enc
->codec_id
,
645 track
->enc
->channel_layout
,
648 av_log(track
->enc
, AV_LOG_WARNING
, "not writing 'chan' tag due to "
649 "lack of channel information\n");
653 if (track
->multichannel_as_mono
)
656 avio_wb32(pb
, 0); // Size
657 ffio_wfourcc(pb
, "chan"); // Type
658 avio_w8(pb
, 0); // Version
659 avio_wb24(pb
, 0); // Flags
660 avio_wb32(pb
, layout_tag
); // mChannelLayoutTag
661 avio_wb32(pb
, bitmap
); // mChannelBitmap
662 avio_wb32(pb
, 0); // mNumberChannelDescriptions
664 return update_size(pb
, pos
);
667 static int mov_write_wave_tag(AVIOContext
*pb
, MOVTrack
*track
)
669 int64_t pos
= avio_tell(pb
);
671 avio_wb32(pb
, 0); /* size */
672 ffio_wfourcc(pb
, "wave");
674 if (track
->enc
->codec_id
!= AV_CODEC_ID_QDM2
) {
675 avio_wb32(pb
, 12); /* size */
676 ffio_wfourcc(pb
, "frma");
677 avio_wl32(pb
, track
->tag
);
680 if (track
->enc
->codec_id
== AV_CODEC_ID_AAC
) {
681 /* useless atom needed by mplayer, ipod, not needed by quicktime */
682 avio_wb32(pb
, 12); /* size */
683 ffio_wfourcc(pb
, "mp4a");
685 mov_write_esds_tag(pb
, track
);
686 } else if (mov_pcm_le_gt16(track
->enc
->codec_id
)) {
687 mov_write_enda_tag(pb
);
688 } else if (mov_pcm_be_gt16(track
->enc
->codec_id
)) {
689 mov_write_enda_tag_be(pb
);
690 } else if (track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
) {
691 mov_write_amr_tag(pb
, track
);
692 } else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
) {
693 mov_write_ac3_tag(pb
, track
);
694 } else if (track
->enc
->codec_id
== AV_CODEC_ID_EAC3
) {
695 mov_write_eac3_tag(pb
, track
);
696 } else if (track
->enc
->codec_id
== AV_CODEC_ID_ALAC
||
697 track
->enc
->codec_id
== AV_CODEC_ID_QDM2
) {
698 mov_write_extradata_tag(pb
, track
);
699 } else if (track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
700 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
) {
701 mov_write_ms_tag(pb
, track
);
704 avio_wb32(pb
, 8); /* size */
705 avio_wb32(pb
, 0); /* null tag */
707 return update_size(pb
, pos
);
710 static int mov_write_dvc1_structs(MOVTrack
*track
, uint8_t *buf
)
713 const uint8_t *start
, *next
, *end
= track
->vos_data
+ track
->vos_len
;
714 int unescaped_size
, seq_found
= 0;
715 int level
= 0, interlace
= 0;
716 int packet_seq
= track
->vc1_info
.packet_seq
;
717 int packet_entry
= track
->vc1_info
.packet_entry
;
718 int slices
= track
->vc1_info
.slices
;
721 if (track
->start_dts
== AV_NOPTS_VALUE
) {
722 /* No packets written yet, vc1_info isn't authoritative yet. */
723 /* Assume inline sequence and entry headers. This will be
724 * overwritten at the end if the file is seekable. */
725 packet_seq
= packet_entry
= 1;
728 unescaped
= av_mallocz(track
->vos_len
+ FF_INPUT_BUFFER_PADDING_SIZE
);
730 return AVERROR(ENOMEM
);
731 start
= find_next_marker(track
->vos_data
, end
);
732 for (next
= start
; next
< end
; start
= next
) {
735 next
= find_next_marker(start
+ 4, end
);
736 size
= next
- start
- 4;
739 unescaped_size
= vc1_unescape_buffer(start
+ 4, size
, unescaped
);
740 init_get_bits(&gb
, unescaped
, 8 * unescaped_size
);
741 if (AV_RB32(start
) == VC1_CODE_SEQHDR
) {
742 int profile
= get_bits(&gb
, 2);
743 if (profile
!= PROFILE_ADVANCED
) {
745 return AVERROR(ENOSYS
);
748 level
= get_bits(&gb
, 3);
749 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
751 skip_bits_long(&gb
, 2 + 3 + 5 + 1 + 2*12);
752 skip_bits(&gb
, 1); /* broadcast */
753 interlace
= get_bits1(&gb
);
754 skip_bits(&gb
, 4); /* tfcntrflag, finterpflag, reserved, psf */
759 return AVERROR(ENOSYS
);
762 init_put_bits(&pbc
, buf
, 7);
763 /* VC1DecSpecStruc */
764 put_bits(&pbc
, 4, 12); /* profile - advanced */
765 put_bits(&pbc
, 3, level
);
766 put_bits(&pbc
, 1, 0); /* reserved */
767 /* VC1AdvDecSpecStruc */
768 put_bits(&pbc
, 3, level
);
769 put_bits(&pbc
, 1, 0); /* cbr */
770 put_bits(&pbc
, 6, 0); /* reserved */
771 put_bits(&pbc
, 1, !interlace
); /* no interlace */
772 put_bits(&pbc
, 1, !packet_seq
); /* no multiple seq */
773 put_bits(&pbc
, 1, !packet_entry
); /* no multiple entry */
774 put_bits(&pbc
, 1, !slices
); /* no slice code */
775 put_bits(&pbc
, 1, 0); /* no bframe */
776 put_bits(&pbc
, 1, 0); /* reserved */
779 if (track
->st
->avg_frame_rate
.num
> 0 && track
->st
->avg_frame_rate
.den
> 0)
780 put_bits32(&pbc
, track
->st
->avg_frame_rate
.num
/ track
->st
->avg_frame_rate
.den
);
782 put_bits32(&pbc
, 0xffffffff);
784 flush_put_bits(&pbc
);
791 static int mov_write_dvc1_tag(AVIOContext
*pb
, MOVTrack
*track
)
793 uint8_t buf
[7] = { 0 };
796 if ((ret
= mov_write_dvc1_structs(track
, buf
)) < 0)
799 avio_wb32(pb
, track
->vos_len
+ 8 + sizeof(buf
));
800 ffio_wfourcc(pb
, "dvc1");
801 track
->vc1_info
.struct_offset
= avio_tell(pb
);
802 avio_write(pb
, buf
, sizeof(buf
));
803 avio_write(pb
, track
->vos_data
, track
->vos_len
);
808 static int mov_write_glbl_tag(AVIOContext
*pb
, MOVTrack
*track
)
810 avio_wb32(pb
, track
->vos_len
+ 8);
811 ffio_wfourcc(pb
, "glbl");
812 avio_write(pb
, track
->vos_data
, track
->vos_len
);
813 return 8 + track
->vos_len
;
817 * Compute flags for 'lpcm' tag.
818 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
820 static int mov_get_lpcm_flags(enum AVCodecID codec_id
)
823 case AV_CODEC_ID_PCM_F32BE
:
824 case AV_CODEC_ID_PCM_F64BE
:
826 case AV_CODEC_ID_PCM_F32LE
:
827 case AV_CODEC_ID_PCM_F64LE
:
829 case AV_CODEC_ID_PCM_U8
:
831 case AV_CODEC_ID_PCM_S16BE
:
832 case AV_CODEC_ID_PCM_S24BE
:
833 case AV_CODEC_ID_PCM_S32BE
:
835 case AV_CODEC_ID_PCM_S8
:
836 case AV_CODEC_ID_PCM_S16LE
:
837 case AV_CODEC_ID_PCM_S24LE
:
838 case AV_CODEC_ID_PCM_S32LE
:
845 static int get_cluster_duration(MOVTrack
*track
, int cluster_idx
)
849 if (cluster_idx
>= track
->entry
)
852 if (cluster_idx
+ 1 == track
->entry
)
853 next_dts
= track
->track_duration
+ track
->start_dts
;
855 next_dts
= track
->cluster
[cluster_idx
+ 1].dts
;
857 next_dts
-= track
->cluster
[cluster_idx
].dts
;
859 av_assert0(next_dts
>= 0);
860 av_assert0(next_dts
<= INT_MAX
);
865 static int get_samples_per_packet(MOVTrack
*track
)
867 int i
, first_duration
;
869 // return track->enc->frame_size;
871 /* use 1 for raw PCM */
872 if (!track
->audio_vbr
)
875 /* check to see if duration is constant for all clusters */
878 first_duration
= get_cluster_duration(track
, 0);
879 for (i
= 1; i
< track
->entry
; i
++) {
880 if (get_cluster_duration(track
, i
) != first_duration
)
883 return first_duration
;
886 static int mov_write_audio_tag(AVIOContext
*pb
, MOVTrack
*track
)
888 int64_t pos
= avio_tell(pb
);
890 uint32_t tag
= track
->tag
;
892 if (track
->mode
== MODE_MOV
) {
893 if (track
->timescale
> UINT16_MAX
) {
894 if (mov_get_lpcm_flags(track
->enc
->codec_id
))
895 tag
= AV_RL32("lpcm");
897 } else if (track
->audio_vbr
|| mov_pcm_le_gt16(track
->enc
->codec_id
) ||
898 mov_pcm_be_gt16(track
->enc
->codec_id
) ||
899 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
900 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
||
901 track
->enc
->codec_id
== AV_CODEC_ID_QDM2
) {
906 avio_wb32(pb
, 0); /* size */
907 avio_wl32(pb
, tag
); // store it byteswapped
908 avio_wb32(pb
, 0); /* Reserved */
909 avio_wb16(pb
, 0); /* Reserved */
910 avio_wb16(pb
, 1); /* Data-reference index, XXX == 1 */
912 /* SoundDescription */
913 avio_wb16(pb
, version
); /* Version */
914 avio_wb16(pb
, 0); /* Revision level */
915 avio_wb32(pb
, 0); /* Reserved */
920 avio_wb16(pb
, 0xfffe);
922 avio_wb32(pb
, 0x00010000);
924 avio_wb64(pb
, av_double2int(track
->enc
->sample_rate
));
925 avio_wb32(pb
, track
->enc
->channels
);
926 avio_wb32(pb
, 0x7F000000);
927 avio_wb32(pb
, av_get_bits_per_sample(track
->enc
->codec_id
));
928 avio_wb32(pb
, mov_get_lpcm_flags(track
->enc
->codec_id
));
929 avio_wb32(pb
, track
->sample_size
);
930 avio_wb32(pb
, get_samples_per_packet(track
));
932 if (track
->mode
== MODE_MOV
) {
933 avio_wb16(pb
, track
->enc
->channels
);
934 if (track
->enc
->codec_id
== AV_CODEC_ID_PCM_U8
||
935 track
->enc
->codec_id
== AV_CODEC_ID_PCM_S8
)
936 avio_wb16(pb
, 8); /* bits per sample */
937 else if (track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_G726
)
938 avio_wb16(pb
, track
->enc
->bits_per_coded_sample
);
941 avio_wb16(pb
, track
->audio_vbr
? -2 : 0); /* compression ID */
942 } else { /* reserved for mp4/3gp */
948 avio_wb16(pb
, 0); /* packet size (= 0) */
949 avio_wb16(pb
, track
->enc
->sample_rate
<= UINT16_MAX
?
950 track
->enc
->sample_rate
: 0);
951 avio_wb16(pb
, 0); /* Reserved */
954 if (version
== 1) { /* SoundDescription V1 extended info */
955 if (mov_pcm_le_gt16(track
->enc
->codec_id
) ||
956 mov_pcm_be_gt16(track
->enc
->codec_id
))
957 avio_wb32(pb
, 1); /* must be 1 for uncompressed formats */
959 avio_wb32(pb
, track
->enc
->frame_size
); /* Samples per packet */
960 avio_wb32(pb
, track
->sample_size
/ track
->enc
->channels
); /* Bytes per packet */
961 avio_wb32(pb
, track
->sample_size
); /* Bytes per frame */
962 avio_wb32(pb
, 2); /* Bytes per sample */
965 if (track
->mode
== MODE_MOV
&&
966 (track
->enc
->codec_id
== AV_CODEC_ID_AAC
||
967 track
->enc
->codec_id
== AV_CODEC_ID_AC3
||
968 track
->enc
->codec_id
== AV_CODEC_ID_EAC3
||
969 track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
||
970 track
->enc
->codec_id
== AV_CODEC_ID_ALAC
||
971 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
972 track
->enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
||
973 track
->enc
->codec_id
== AV_CODEC_ID_QDM2
||
974 (mov_pcm_le_gt16(track
->enc
->codec_id
) && version
==1) ||
975 (mov_pcm_be_gt16(track
->enc
->codec_id
) && version
==1)))
976 mov_write_wave_tag(pb
, track
);
977 else if (track
->tag
== MKTAG('m','p','4','a'))
978 mov_write_esds_tag(pb
, track
);
979 else if (track
->enc
->codec_id
== AV_CODEC_ID_AMR_NB
)
980 mov_write_amr_tag(pb
, track
);
981 else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
)
982 mov_write_ac3_tag(pb
, track
);
983 else if (track
->enc
->codec_id
== AV_CODEC_ID_EAC3
)
984 mov_write_eac3_tag(pb
, track
);
985 else if (track
->enc
->codec_id
== AV_CODEC_ID_ALAC
)
986 mov_write_extradata_tag(pb
, track
);
987 else if (track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
)
988 mov_write_wfex_tag(pb
, track
);
989 else if (track
->vos_len
> 0)
990 mov_write_glbl_tag(pb
, track
);
992 if (track
->mode
== MODE_MOV
&& track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
993 mov_write_chan_tag(pb
, track
);
995 return update_size(pb
, pos
);
998 static int mov_write_d263_tag(AVIOContext
*pb
)
1000 avio_wb32(pb
, 0xf); /* size */
1001 ffio_wfourcc(pb
, "d263");
1002 ffio_wfourcc(pb
, "FFMP");
1003 avio_w8(pb
, 0); /* decoder version */
1004 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1005 avio_w8(pb
, 0xa); /* level */
1006 avio_w8(pb
, 0); /* profile */
1010 static int mov_write_avcc_tag(AVIOContext
*pb
, MOVTrack
*track
)
1012 int64_t pos
= avio_tell(pb
);
1015 ffio_wfourcc(pb
, "avcC");
1016 ff_isom_write_avcc(pb
, track
->vos_data
, track
->vos_len
);
1017 return update_size(pb
, pos
);
1020 static int mov_write_hvcc_tag(AVIOContext
*pb
, MOVTrack
*track
)
1022 int64_t pos
= avio_tell(pb
);
1025 ffio_wfourcc(pb
, "hvcC");
1026 ff_isom_write_hvcc(pb
, track
->vos_data
, track
->vos_len
, 0);
1027 return update_size(pb
, pos
);
1030 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1031 static int mov_write_avid_tag(AVIOContext
*pb
, MOVTrack
*track
)
1034 avio_wb32(pb
, 24); /* size */
1035 ffio_wfourcc(pb
, "ACLR");
1036 ffio_wfourcc(pb
, "ACLR");
1037 ffio_wfourcc(pb
, "0001");
1038 if (track
->enc
->color_range
== AVCOL_RANGE_MPEG
) { /* Legal range (16-235) */
1039 avio_wb32(pb
, 1); /* Corresponds to 709 in official encoder */
1040 } else { /* Full range (0-255) */
1041 avio_wb32(pb
, 2); /* Corresponds to RGB in official encoder */
1043 avio_wb32(pb
, 0); /* unknown */
1045 avio_wb32(pb
, 24); /* size */
1046 ffio_wfourcc(pb
, "APRG");
1047 ffio_wfourcc(pb
, "APRG");
1048 ffio_wfourcc(pb
, "0001");
1049 avio_wb32(pb
, 1); /* unknown */
1050 avio_wb32(pb
, 0); /* unknown */
1052 avio_wb32(pb
, 120); /* size */
1053 ffio_wfourcc(pb
, "ARES");
1054 ffio_wfourcc(pb
, "ARES");
1055 ffio_wfourcc(pb
, "0001");
1056 avio_wb32(pb
, AV_RB32(track
->vos_data
+ 0x28)); /* dnxhd cid, some id ? */
1057 avio_wb32(pb
, track
->enc
->width
);
1058 /* values below are based on samples created with quicktime and avid codecs */
1059 if (track
->vos_data
[5] & 2) { // interlaced
1060 avio_wb32(pb
, track
->enc
->height
/ 2);
1061 avio_wb32(pb
, 2); /* unknown */
1062 avio_wb32(pb
, 0); /* unknown */
1063 avio_wb32(pb
, 4); /* unknown */
1065 avio_wb32(pb
, track
->enc
->height
);
1066 avio_wb32(pb
, 1); /* unknown */
1067 avio_wb32(pb
, 0); /* unknown */
1068 if (track
->enc
->height
== 1080)
1069 avio_wb32(pb
, 5); /* unknown */
1071 avio_wb32(pb
, 6); /* unknown */
1074 for (i
= 0; i
< 10; i
++)
1077 /* extra padding for stsd needed */
1082 static int mp4_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1084 int tag
= track
->enc
->codec_tag
;
1086 if (!ff_codec_get_tag(ff_mp4_obj_type
, track
->enc
->codec_id
))
1089 if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) tag
= MKTAG('a','v','c','1');
1090 else if (track
->enc
->codec_id
== AV_CODEC_ID_HEVC
) tag
= MKTAG('h','e','v','1');
1091 else if (track
->enc
->codec_id
== AV_CODEC_ID_AC3
) tag
= MKTAG('a','c','-','3');
1092 else if (track
->enc
->codec_id
== AV_CODEC_ID_EAC3
) tag
= MKTAG('e','c','-','3');
1093 else if (track
->enc
->codec_id
== AV_CODEC_ID_DIRAC
) tag
= MKTAG('d','r','a','c');
1094 else if (track
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
) tag
= MKTAG('t','x','3','g');
1095 else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
) tag
= MKTAG('v','c','-','1');
1096 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) tag
= MKTAG('m','p','4','v');
1097 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) tag
= MKTAG('m','p','4','a');
1098 else if (track
->enc
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
) tag
= MKTAG('m','p','4','s');
1103 static const AVCodecTag codec_ipod_tags
[] = {
1104 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
1105 { AV_CODEC_ID_MPEG4
, MKTAG('m','p','4','v') },
1106 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
1107 { AV_CODEC_ID_ALAC
, MKTAG('a','l','a','c') },
1108 { AV_CODEC_ID_AC3
, MKTAG('a','c','-','3') },
1109 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','x','3','g') },
1110 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','e','x','t') },
1111 { AV_CODEC_ID_NONE
, 0 },
1114 static int ipod_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1116 int tag
= track
->enc
->codec_tag
;
1118 // keep original tag for subs, ipod supports both formats
1119 if (!(track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
&&
1120 (tag
== MKTAG('t', 'x', '3', 'g') ||
1121 tag
== MKTAG('t', 'e', 'x', 't'))))
1122 tag
= ff_codec_get_tag(codec_ipod_tags
, track
->enc
->codec_id
);
1124 if (!av_match_ext(s
->filename
, "m4a") &&
1125 !av_match_ext(s
->filename
, "m4b") &&
1126 !av_match_ext(s
->filename
, "m4v"))
1127 av_log(s
, AV_LOG_WARNING
, "Warning, extension is not .m4a, .m4v nor .m4b "
1128 "Quicktime/Ipod might not play the file\n");
1133 static int mov_get_dv_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1137 if (track
->enc
->width
== 720) { /* SD */
1138 if (track
->enc
->height
== 480) { /* NTSC */
1139 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) tag
= MKTAG('d','v','5','n');
1140 else tag
= MKTAG('d','v','c',' ');
1141 }else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) tag
= MKTAG('d','v','5','p');
1142 else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV420P
) tag
= MKTAG('d','v','c','p');
1143 else tag
= MKTAG('d','v','p','p');
1144 } else if (track
->enc
->height
== 720) { /* HD 720 line */
1145 if (track
->st
->time_base
.den
== 50) tag
= MKTAG('d','v','h','q');
1146 else tag
= MKTAG('d','v','h','p');
1147 } else if (track
->enc
->height
== 1080) { /* HD 1080 line */
1148 if (track
->st
->time_base
.den
== 25) tag
= MKTAG('d','v','h','5');
1149 else tag
= MKTAG('d','v','h','6');
1151 av_log(s
, AV_LOG_ERROR
, "unsupported height for dv codec\n");
1158 static AVRational
find_fps(AVFormatContext
*s
, AVStream
*st
)
1160 AVRational rate
= {st
->codec
->time_base
.den
, st
->codec
->time_base
.num
};
1161 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1162 if (av_timecode_check_frame_rate(rate
) < 0) {
1163 av_log(s
, AV_LOG_DEBUG
, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1164 rate
.num
, rate
.den
, st
->avg_frame_rate
.num
, st
->avg_frame_rate
.den
);
1165 rate
= st
->avg_frame_rate
;
1171 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1173 int tag
= track
->enc
->codec_tag
;
1174 int interlaced
= track
->enc
->field_order
> AV_FIELD_PROGRESSIVE
;
1175 AVStream
*st
= track
->st
;
1176 int rate
= av_q2d(find_fps(s
, st
));
1179 tag
= MKTAG('m', '2', 'v', '1'); //fallback tag
1181 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV420P
) {
1182 if (track
->enc
->width
== 1280 && track
->enc
->height
== 720) {
1184 if (rate
== 24) tag
= MKTAG('x','d','v','4');
1185 else if (rate
== 25) tag
= MKTAG('x','d','v','5');
1186 else if (rate
== 30) tag
= MKTAG('x','d','v','1');
1187 else if (rate
== 50) tag
= MKTAG('x','d','v','a');
1188 else if (rate
== 60) tag
= MKTAG('x','d','v','9');
1190 } else if (track
->enc
->width
== 1440 && track
->enc
->height
== 1080) {
1192 if (rate
== 24) tag
= MKTAG('x','d','v','6');
1193 else if (rate
== 25) tag
= MKTAG('x','d','v','7');
1194 else if (rate
== 30) tag
= MKTAG('x','d','v','8');
1196 if (rate
== 25) tag
= MKTAG('x','d','v','3');
1197 else if (rate
== 30) tag
= MKTAG('x','d','v','2');
1199 } else if (track
->enc
->width
== 1920 && track
->enc
->height
== 1080) {
1201 if (rate
== 24) tag
= MKTAG('x','d','v','d');
1202 else if (rate
== 25) tag
= MKTAG('x','d','v','e');
1203 else if (rate
== 30) tag
= MKTAG('x','d','v','f');
1205 if (rate
== 25) tag
= MKTAG('x','d','v','c');
1206 else if (rate
== 30) tag
= MKTAG('x','d','v','b');
1209 } else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) {
1210 if (track
->enc
->width
== 1280 && track
->enc
->height
== 720) {
1212 if (rate
== 24) tag
= MKTAG('x','d','5','4');
1213 else if (rate
== 25) tag
= MKTAG('x','d','5','5');
1214 else if (rate
== 30) tag
= MKTAG('x','d','5','1');
1215 else if (rate
== 50) tag
= MKTAG('x','d','5','a');
1216 else if (rate
== 60) tag
= MKTAG('x','d','5','9');
1218 } else if (track
->enc
->width
== 1920 && track
->enc
->height
== 1080) {
1220 if (rate
== 24) tag
= MKTAG('x','d','5','d');
1221 else if (rate
== 25) tag
= MKTAG('x','d','5','e');
1222 else if (rate
== 30) tag
= MKTAG('x','d','5','f');
1224 if (rate
== 25) tag
= MKTAG('x','d','5','c');
1225 else if (rate
== 30) tag
= MKTAG('x','d','5','b');
1233 static int mov_get_h264_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1235 int tag
= track
->enc
->codec_tag
;
1236 int interlaced
= track
->enc
->field_order
> AV_FIELD_PROGRESSIVE
;
1237 AVStream
*st
= track
->st
;
1238 int rate
= av_q2d(find_fps(s
, st
));
1241 tag
= MKTAG('a', 'v', 'c', 'i'); //fallback tag
1243 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV420P10
) {
1244 if (track
->enc
->width
== 960 && track
->enc
->height
== 720) {
1246 if (rate
== 24) tag
= MKTAG('a','i','5','p');
1247 else if (rate
== 25) tag
= MKTAG('a','i','5','q');
1248 else if (rate
== 30) tag
= MKTAG('a','i','5','p');
1249 else if (rate
== 50) tag
= MKTAG('a','i','5','q');
1250 else if (rate
== 60) tag
= MKTAG('a','i','5','p');
1252 } else if (track
->enc
->width
== 1440 && track
->enc
->height
== 1080) {
1254 if (rate
== 24) tag
= MKTAG('a','i','5','3');
1255 else if (rate
== 25) tag
= MKTAG('a','i','5','2');
1256 else if (rate
== 30) tag
= MKTAG('a','i','5','3');
1258 if (rate
== 50) tag
= MKTAG('a','i','5','5');
1259 else if (rate
== 60) tag
= MKTAG('a','i','5','6');
1262 } else if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P10
) {
1263 if (track
->enc
->width
== 1280 && track
->enc
->height
== 720) {
1265 if (rate
== 24) tag
= MKTAG('a','i','1','p');
1266 else if (rate
== 25) tag
= MKTAG('a','i','1','q');
1267 else if (rate
== 30) tag
= MKTAG('a','i','1','p');
1268 else if (rate
== 50) tag
= MKTAG('a','i','1','q');
1269 else if (rate
== 60) tag
= MKTAG('a','i','1','p');
1271 } else if (track
->enc
->width
== 1920 && track
->enc
->height
== 1080) {
1273 if (rate
== 24) tag
= MKTAG('a','i','1','3');
1274 else if (rate
== 25) tag
= MKTAG('a','i','1','2');
1275 else if (rate
== 30) tag
= MKTAG('a','i','1','3');
1277 if (rate
== 25) tag
= MKTAG('a','i','1','5');
1278 else if (rate
== 50) tag
= MKTAG('a','i','1','5');
1279 else if (rate
== 60) tag
= MKTAG('a','i','1','6');
1281 } else if ( track
->enc
->width
== 4096 && track
->enc
->height
== 2160
1282 || track
->enc
->width
== 3840 && track
->enc
->height
== 2160) {
1283 tag
= MKTAG('a','i','v','x');
1290 static const struct {
1291 enum AVPixelFormat pix_fmt
;
1294 } mov_pix_fmt_tags
[] = {
1295 { AV_PIX_FMT_YUYV422
, MKTAG('y','u','v','2'), 0 },
1296 { AV_PIX_FMT_YUYV422
, MKTAG('y','u','v','s'), 0 },
1297 { AV_PIX_FMT_UYVY422
, MKTAG('2','v','u','y'), 0 },
1298 { AV_PIX_FMT_RGB555BE
,MKTAG('r','a','w',' '), 16 },
1299 { AV_PIX_FMT_RGB555LE
,MKTAG('L','5','5','5'), 16 },
1300 { AV_PIX_FMT_RGB565LE
,MKTAG('L','5','6','5'), 16 },
1301 { AV_PIX_FMT_RGB565BE
,MKTAG('B','5','6','5'), 16 },
1302 { AV_PIX_FMT_GRAY16BE
,MKTAG('b','1','6','g'), 16 },
1303 { AV_PIX_FMT_RGB24
, MKTAG('r','a','w',' '), 24 },
1304 { AV_PIX_FMT_BGR24
, MKTAG('2','4','B','G'), 24 },
1305 { AV_PIX_FMT_ARGB
, MKTAG('r','a','w',' '), 32 },
1306 { AV_PIX_FMT_BGRA
, MKTAG('B','G','R','A'), 32 },
1307 { AV_PIX_FMT_RGBA
, MKTAG('R','G','B','A'), 32 },
1308 { AV_PIX_FMT_ABGR
, MKTAG('A','B','G','R'), 32 },
1309 { AV_PIX_FMT_RGB48BE
, MKTAG('b','4','8','r'), 48 },
1312 static int mov_get_rawvideo_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1314 int tag
= track
->enc
->codec_tag
;
1316 enum AVPixelFormat pix_fmt
;
1318 for (i
= 0; i
< FF_ARRAY_ELEMS(mov_pix_fmt_tags
); i
++) {
1319 if (track
->enc
->pix_fmt
== mov_pix_fmt_tags
[i
].pix_fmt
) {
1320 tag
= mov_pix_fmt_tags
[i
].tag
;
1321 track
->enc
->bits_per_coded_sample
= mov_pix_fmt_tags
[i
].bps
;
1322 if (track
->enc
->codec_tag
== mov_pix_fmt_tags
[i
].tag
)
1327 pix_fmt
= avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov
,
1328 track
->enc
->bits_per_coded_sample
);
1329 if (tag
== MKTAG('r','a','w',' ') &&
1330 track
->enc
->pix_fmt
!= pix_fmt
&&
1331 track
->enc
->pix_fmt
!= AV_PIX_FMT_NONE
)
1332 av_log(s
, AV_LOG_ERROR
, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1333 av_get_pix_fmt_name(track
->enc
->pix_fmt
));
1337 static int mov_get_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1339 int tag
= track
->enc
->codec_tag
;
1341 if (!tag
|| (s
->strict_std_compliance
>= FF_COMPLIANCE_NORMAL
&&
1342 (track
->enc
->codec_id
== AV_CODEC_ID_DVVIDEO
||
1343 track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
||
1344 track
->enc
->codec_id
== AV_CODEC_ID_H263
||
1345 track
->enc
->codec_id
== AV_CODEC_ID_H264
||
1346 track
->enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
||
1347 av_get_bits_per_sample(track
->enc
->codec_id
)))) { // pcm audio
1348 if (track
->enc
->codec_id
== AV_CODEC_ID_DVVIDEO
)
1349 tag
= mov_get_dv_codec_tag(s
, track
);
1350 else if (track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
)
1351 tag
= mov_get_rawvideo_codec_tag(s
, track
);
1352 else if (track
->enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
)
1353 tag
= mov_get_mpeg2_xdcam_codec_tag(s
, track
);
1354 else if (track
->enc
->codec_id
== AV_CODEC_ID_H264
)
1355 tag
= mov_get_h264_codec_tag(s
, track
);
1356 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1357 tag
= ff_codec_get_tag(ff_codec_movvideo_tags
, track
->enc
->codec_id
);
1358 if (!tag
) { // if no mac fcc found, try with Microsoft tags
1359 tag
= ff_codec_get_tag(ff_codec_bmp_tags
, track
->enc
->codec_id
);
1361 av_log(s
, AV_LOG_WARNING
, "Using MS style video codec tag, "
1362 "the file may be unplayable!\n");
1364 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1365 tag
= ff_codec_get_tag(ff_codec_movaudio_tags
, track
->enc
->codec_id
);
1366 if (!tag
) { // if no mac fcc found, try with Microsoft tags
1367 int ms_tag
= ff_codec_get_tag(ff_codec_wav_tags
, track
->enc
->codec_id
);
1369 tag
= MKTAG('m', 's', ((ms_tag
>> 8) & 0xff), (ms_tag
& 0xff));
1370 av_log(s
, AV_LOG_WARNING
, "Using MS style audio codec tag, "
1371 "the file may be unplayable!\n");
1374 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)
1375 tag
= ff_codec_get_tag(ff_codec_movsubtitle_tags
, track
->enc
->codec_id
);
1381 static const AVCodecTag codec_3gp_tags
[] = {
1382 { AV_CODEC_ID_H263
, MKTAG('s','2','6','3') },
1383 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
1384 { AV_CODEC_ID_MPEG4
, MKTAG('m','p','4','v') },
1385 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
1386 { AV_CODEC_ID_AMR_NB
, MKTAG('s','a','m','r') },
1387 { AV_CODEC_ID_AMR_WB
, MKTAG('s','a','w','b') },
1388 { AV_CODEC_ID_MOV_TEXT
, MKTAG('t','x','3','g') },
1389 { AV_CODEC_ID_NONE
, 0 },
1392 static const AVCodecTag codec_f4v_tags
[] = { // XXX: add GIF/PNG/JPEG?
1393 { AV_CODEC_ID_MP3
, MKTAG('.','m','p','3') },
1394 { AV_CODEC_ID_AAC
, MKTAG('m','p','4','a') },
1395 { AV_CODEC_ID_H264
, MKTAG('a','v','c','1') },
1396 { AV_CODEC_ID_VP6A
, MKTAG('V','P','6','A') },
1397 { AV_CODEC_ID_VP6F
, MKTAG('V','P','6','F') },
1398 { AV_CODEC_ID_NONE
, 0 },
1401 static int mov_find_codec_tag(AVFormatContext
*s
, MOVTrack
*track
)
1405 if (track
->mode
== MODE_MP4
|| track
->mode
== MODE_PSP
)
1406 tag
= mp4_get_codec_tag(s
, track
);
1407 else if (track
->mode
== MODE_ISM
) {
1408 tag
= mp4_get_codec_tag(s
, track
);
1409 if (!tag
&& track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
)
1410 tag
= MKTAG('w', 'm', 'a', ' ');
1411 } else if (track
->mode
== MODE_IPOD
)
1412 tag
= ipod_get_codec_tag(s
, track
);
1413 else if (track
->mode
& MODE_3GP
)
1414 tag
= ff_codec_get_tag(codec_3gp_tags
, track
->enc
->codec_id
);
1415 else if (track
->mode
== MODE_F4V
)
1416 tag
= ff_codec_get_tag(codec_f4v_tags
, track
->enc
->codec_id
);
1418 tag
= mov_get_codec_tag(s
, track
);
1423 /** Write uuid atom.
1424 * Needed to make file play in iPods running newest firmware
1425 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1427 static int mov_write_uuid_tag_ipod(AVIOContext
*pb
)
1430 ffio_wfourcc(pb
, "uuid");
1431 avio_wb32(pb
, 0x6b6840f2);
1432 avio_wb32(pb
, 0x5f244fc5);
1433 avio_wb32(pb
, 0xba39a51b);
1434 avio_wb32(pb
, 0xcf0323f3);
1439 static const uint16_t fiel_data
[] = {
1440 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1443 static int mov_write_fiel_tag(AVIOContext
*pb
, MOVTrack
*track
)
1445 unsigned mov_field_order
= 0;
1446 if (track
->enc
->field_order
< FF_ARRAY_ELEMS(fiel_data
))
1447 mov_field_order
= fiel_data
[track
->enc
->field_order
];
1451 ffio_wfourcc(pb
, "fiel");
1452 avio_wb16(pb
, mov_field_order
);
1456 static int mov_write_subtitle_tag(AVIOContext
*pb
, MOVTrack
*track
)
1458 int64_t pos
= avio_tell(pb
);
1459 avio_wb32(pb
, 0); /* size */
1460 avio_wl32(pb
, track
->tag
); // store it byteswapped
1461 avio_wb32(pb
, 0); /* Reserved */
1462 avio_wb16(pb
, 0); /* Reserved */
1463 avio_wb16(pb
, 1); /* Data-reference index */
1465 if (track
->enc
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
)
1466 mov_write_esds_tag(pb
, track
);
1467 else if (track
->enc
->extradata_size
)
1468 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
1470 return update_size(pb
, pos
);
1473 static int mov_write_pasp_tag(AVIOContext
*pb
, MOVTrack
*track
)
1476 av_reduce(&sar
.num
, &sar
.den
, track
->enc
->sample_aspect_ratio
.num
,
1477 track
->enc
->sample_aspect_ratio
.den
, INT_MAX
);
1480 ffio_wfourcc(pb
, "pasp");
1481 avio_wb32(pb
, sar
.num
);
1482 avio_wb32(pb
, sar
.den
);
1486 static void find_compressor(char * compressor_name
, int len
, MOVTrack
*track
)
1488 AVDictionaryEntry
*encoder
;
1489 int xdcam_res
= (track
->enc
->width
== 1280 && track
->enc
->height
== 720)
1490 || (track
->enc
->width
== 1440 && track
->enc
->height
== 1080)
1491 || (track
->enc
->width
== 1920 && track
->enc
->height
== 1080);
1493 if (track
->mode
== MODE_MOV
&&
1494 (encoder
= av_dict_get(track
->st
->metadata
, "encoder", NULL
, 0))) {
1495 av_strlcpy(compressor_name
, encoder
->value
, 32);
1496 } else if (track
->enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
&& xdcam_res
) {
1497 int interlaced
= track
->enc
->field_order
> AV_FIELD_PROGRESSIVE
;
1498 AVStream
*st
= track
->st
;
1499 int rate
= av_q2d(find_fps(NULL
, st
));
1500 av_strlcatf(compressor_name
, len
, "XDCAM");
1501 if (track
->enc
->pix_fmt
== AV_PIX_FMT_YUV422P
) {
1502 av_strlcatf(compressor_name
, len
, " HD422");
1503 } else if(track
->enc
->width
== 1440) {
1504 av_strlcatf(compressor_name
, len
, " HD");
1506 av_strlcatf(compressor_name
, len
, " EX");
1508 av_strlcatf(compressor_name
, len
, " %d%c", track
->enc
->height
, interlaced
? 'i' : 'p');
1510 av_strlcatf(compressor_name
, len
, "%d", rate
* (interlaced
+ 1));
1514 static int mov_write_video_tag(AVIOContext
*pb
, MOVTrack
*track
)
1516 int64_t pos
= avio_tell(pb
);
1517 char compressor_name
[32] = { 0 };
1519 avio_wb32(pb
, 0); /* size */
1520 avio_wl32(pb
, track
->tag
); // store it byteswapped
1521 avio_wb32(pb
, 0); /* Reserved */
1522 avio_wb16(pb
, 0); /* Reserved */
1523 avio_wb16(pb
, 1); /* Data-reference index */
1525 avio_wb16(pb
, 0); /* Codec stream version */
1526 avio_wb16(pb
, 0); /* Codec stream revision (=0) */
1527 if (track
->mode
== MODE_MOV
) {
1528 ffio_wfourcc(pb
, "FFMP"); /* Vendor */
1529 if (track
->enc
->codec_id
== AV_CODEC_ID_RAWVIDEO
) {
1530 avio_wb32(pb
, 0); /* Temporal Quality */
1531 avio_wb32(pb
, 0x400); /* Spatial Quality = lossless*/
1533 avio_wb32(pb
, 0x200); /* Temporal Quality = normal */
1534 avio_wb32(pb
, 0x200); /* Spatial Quality = normal */
1537 avio_wb32(pb
, 0); /* Reserved */
1538 avio_wb32(pb
, 0); /* Reserved */
1539 avio_wb32(pb
, 0); /* Reserved */
1541 avio_wb16(pb
, track
->enc
->width
); /* Video width */
1542 avio_wb16(pb
, track
->height
); /* Video height */
1543 avio_wb32(pb
, 0x00480000); /* Horizontal resolution 72dpi */
1544 avio_wb32(pb
, 0x00480000); /* Vertical resolution 72dpi */
1545 avio_wb32(pb
, 0); /* Data size (= 0) */
1546 avio_wb16(pb
, 1); /* Frame count (= 1) */
1548 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1549 find_compressor(compressor_name
, 32, track
);
1550 avio_w8(pb
, strlen(compressor_name
));
1551 avio_write(pb
, compressor_name
, 31);
1553 if (track
->mode
== MODE_MOV
&& track
->enc
->bits_per_coded_sample
)
1554 avio_wb16(pb
, track
->enc
->bits_per_coded_sample
);
1556 avio_wb16(pb
, 0x18); /* Reserved */
1557 avio_wb16(pb
, 0xffff); /* Reserved */
1558 if (track
->tag
== MKTAG('m','p','4','v'))
1559 mov_write_esds_tag(pb
, track
);
1560 else if (track
->enc
->codec_id
== AV_CODEC_ID_H263
)
1561 mov_write_d263_tag(pb
);
1562 else if (track
->enc
->codec_id
== AV_CODEC_ID_AVUI
||
1563 track
->enc
->codec_id
== AV_CODEC_ID_SVQ3
) {
1564 mov_write_extradata_tag(pb
, track
);
1566 } else if (track
->enc
->codec_id
== AV_CODEC_ID_DNXHD
)
1567 mov_write_avid_tag(pb
, track
);
1568 else if (track
->enc
->codec_id
== AV_CODEC_ID_HEVC
)
1569 mov_write_hvcc_tag(pb
, track
);
1570 else if (track
->enc
->codec_id
== AV_CODEC_ID_H264
&& !TAG_IS_AVCI(track
->tag
)) {
1571 mov_write_avcc_tag(pb
, track
);
1572 if (track
->mode
== MODE_IPOD
)
1573 mov_write_uuid_tag_ipod(pb
);
1574 } else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
&& track
->vos_len
> 0)
1575 mov_write_dvc1_tag(pb
, track
);
1576 else if (track
->enc
->codec_id
== AV_CODEC_ID_VP6F
||
1577 track
->enc
->codec_id
== AV_CODEC_ID_VP6A
) {
1578 /* Don't write any potential extradata here - the cropping
1579 * is signalled via the normal width/height fields. */
1580 } else if (track
->vos_len
> 0)
1581 mov_write_glbl_tag(pb
, track
);
1583 if (track
->enc
->codec_id
!= AV_CODEC_ID_H264
&&
1584 track
->enc
->codec_id
!= AV_CODEC_ID_MPEG4
&&
1585 track
->enc
->codec_id
!= AV_CODEC_ID_DNXHD
)
1586 if (track
->enc
->field_order
!= AV_FIELD_UNKNOWN
)
1587 mov_write_fiel_tag(pb
, track
);
1589 if (track
->enc
->sample_aspect_ratio
.den
&& track
->enc
->sample_aspect_ratio
.num
&&
1590 track
->enc
->sample_aspect_ratio
.den
!= track
->enc
->sample_aspect_ratio
.num
) {
1591 mov_write_pasp_tag(pb
, track
);
1594 return update_size(pb
, pos
);
1597 static int mov_write_rtp_tag(AVIOContext
*pb
, MOVTrack
*track
)
1599 int64_t pos
= avio_tell(pb
);
1600 avio_wb32(pb
, 0); /* size */
1601 ffio_wfourcc(pb
, "rtp ");
1602 avio_wb32(pb
, 0); /* Reserved */
1603 avio_wb16(pb
, 0); /* Reserved */
1604 avio_wb16(pb
, 1); /* Data-reference index */
1606 avio_wb16(pb
, 1); /* Hint track version */
1607 avio_wb16(pb
, 1); /* Highest compatible version */
1608 avio_wb32(pb
, track
->max_packet_size
); /* Max packet size */
1610 avio_wb32(pb
, 12); /* size */
1611 ffio_wfourcc(pb
, "tims");
1612 avio_wb32(pb
, track
->timescale
);
1614 return update_size(pb
, pos
);
1617 static int mov_write_source_reference_tag(AVIOContext
*pb
, MOVTrack
*track
, const char *reel_name
)
1619 uint64_t str_size
=strlen(reel_name
);
1620 int64_t pos
= avio_tell(pb
);
1622 if (str_size
>= UINT16_MAX
){
1623 av_log(NULL
, AV_LOG_ERROR
, "reel_name length %"PRIu64
" is too large\n", str_size
);
1625 return AVERROR(EINVAL
);
1628 avio_wb32(pb
, 0); /* size */
1629 ffio_wfourcc(pb
, "name"); /* Data format */
1630 avio_wb16(pb
, str_size
); /* string size */
1631 avio_wb16(pb
, track
->language
); /* langcode */
1632 avio_write(pb
, reel_name
, str_size
); /* reel name */
1633 return update_size(pb
,pos
);
1636 static int mov_write_tmcd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1638 int64_t pos
= avio_tell(pb
);
1640 int frame_duration
= av_rescale(track
->timescale
, track
->enc
->time_base
.num
, track
->enc
->time_base
.den
);
1641 int nb_frames
= 1.0/av_q2d(track
->enc
->time_base
) + 0.5;
1642 AVDictionaryEntry
*t
= NULL
;
1644 if (nb_frames
> 255) {
1645 av_log(NULL
, AV_LOG_ERROR
, "fps %d is too large\n", nb_frames
);
1646 return AVERROR(EINVAL
);
1649 avio_wb32(pb
, 0); /* size */
1650 ffio_wfourcc(pb
, "tmcd"); /* Data format */
1651 avio_wb32(pb
, 0); /* Reserved */
1652 avio_wb32(pb
, 1); /* Data reference index */
1653 avio_wb32(pb
, 0); /* Flags */
1654 avio_wb32(pb
, track
->timecode_flags
); /* Flags (timecode) */
1655 avio_wb32(pb
, track
->timescale
); /* Timescale */
1656 avio_wb32(pb
, frame_duration
); /* Frame duration */
1657 avio_w8(pb
, nb_frames
); /* Number of frames */
1658 avio_w8(pb
, 0); /* Reserved */
1661 t
= av_dict_get(track
->st
->metadata
, "reel_name", NULL
, 0);
1663 if (t
&& utf8len(t
->value
))
1664 mov_write_source_reference_tag(pb
, track
, t
->value
);
1666 avio_wb16(pb
, 0); /* zero size */
1669 avio_wb32(pb
, 0); /* size */
1670 ffio_wfourcc(pb
, "tmcd"); /* Data format */
1671 avio_wb32(pb
, 0); /* Reserved */
1672 avio_wb32(pb
, 1); /* Data reference index */
1673 if (track
->enc
->extradata_size
)
1674 avio_write(pb
, track
->enc
->extradata
, track
->enc
->extradata_size
);
1676 return update_size(pb
, pos
);
1679 static int mov_write_stsd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1681 int64_t pos
= avio_tell(pb
);
1682 avio_wb32(pb
, 0); /* size */
1683 ffio_wfourcc(pb
, "stsd");
1684 avio_wb32(pb
, 0); /* version & flags */
1685 avio_wb32(pb
, 1); /* entry count */
1686 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
1687 mov_write_video_tag(pb
, track
);
1688 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
1689 mov_write_audio_tag(pb
, track
);
1690 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)
1691 mov_write_subtitle_tag(pb
, track
);
1692 else if (track
->enc
->codec_tag
== MKTAG('r','t','p',' '))
1693 mov_write_rtp_tag(pb
, track
);
1694 else if (track
->enc
->codec_tag
== MKTAG('t','m','c','d'))
1695 mov_write_tmcd_tag(pb
, track
);
1696 return update_size(pb
, pos
);
1699 static int mov_write_ctts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1701 MOVStts
*ctts_entries
;
1702 uint32_t entries
= 0;
1706 ctts_entries
= av_malloc_array((track
->entry
+ 1), sizeof(*ctts_entries
)); /* worst case */
1707 ctts_entries
[0].count
= 1;
1708 ctts_entries
[0].duration
= track
->cluster
[0].cts
;
1709 for (i
= 1; i
< track
->entry
; i
++) {
1710 if (track
->cluster
[i
].cts
== ctts_entries
[entries
].duration
) {
1711 ctts_entries
[entries
].count
++; /* compress */
1714 ctts_entries
[entries
].duration
= track
->cluster
[i
].cts
;
1715 ctts_entries
[entries
].count
= 1;
1718 entries
++; /* last one */
1719 atom_size
= 16 + (entries
* 8);
1720 avio_wb32(pb
, atom_size
); /* size */
1721 ffio_wfourcc(pb
, "ctts");
1722 avio_wb32(pb
, 0); /* version & flags */
1723 avio_wb32(pb
, entries
); /* entry count */
1724 for (i
= 0; i
< entries
; i
++) {
1725 avio_wb32(pb
, ctts_entries
[i
].count
);
1726 avio_wb32(pb
, ctts_entries
[i
].duration
);
1728 av_free(ctts_entries
);
1732 /* Time to sample atom */
1733 static int mov_write_stts_tag(AVIOContext
*pb
, MOVTrack
*track
)
1735 MOVStts
*stts_entries
;
1736 uint32_t entries
= -1;
1740 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
&& !track
->audio_vbr
) {
1741 stts_entries
= av_malloc(sizeof(*stts_entries
)); /* one entry */
1742 stts_entries
[0].count
= track
->sample_count
;
1743 stts_entries
[0].duration
= 1;
1746 stts_entries
= track
->entry
?
1747 av_malloc_array(track
->entry
, sizeof(*stts_entries
)) : /* worst case */
1749 for (i
= 0; i
< track
->entry
; i
++) {
1750 int duration
= get_cluster_duration(track
, i
);
1751 if (i
&& duration
== stts_entries
[entries
].duration
) {
1752 stts_entries
[entries
].count
++; /* compress */
1755 stts_entries
[entries
].duration
= duration
;
1756 stts_entries
[entries
].count
= 1;
1759 entries
++; /* last one */
1761 atom_size
= 16 + (entries
* 8);
1762 avio_wb32(pb
, atom_size
); /* size */
1763 ffio_wfourcc(pb
, "stts");
1764 avio_wb32(pb
, 0); /* version & flags */
1765 avio_wb32(pb
, entries
); /* entry count */
1766 for (i
= 0; i
< entries
; i
++) {
1767 avio_wb32(pb
, stts_entries
[i
].count
);
1768 avio_wb32(pb
, stts_entries
[i
].duration
);
1770 av_free(stts_entries
);
1774 static int mov_write_dref_tag(AVIOContext
*pb
)
1776 avio_wb32(pb
, 28); /* size */
1777 ffio_wfourcc(pb
, "dref");
1778 avio_wb32(pb
, 0); /* version & flags */
1779 avio_wb32(pb
, 1); /* entry count */
1781 avio_wb32(pb
, 0xc); /* size */
1782 //FIXME add the alis and rsrc atom
1783 ffio_wfourcc(pb
, "url ");
1784 avio_wb32(pb
, 1); /* version & flags */
1789 static int mov_write_stbl_tag(AVIOContext
*pb
, MOVTrack
*track
)
1791 int64_t pos
= avio_tell(pb
);
1792 avio_wb32(pb
, 0); /* size */
1793 ffio_wfourcc(pb
, "stbl");
1794 mov_write_stsd_tag(pb
, track
);
1795 mov_write_stts_tag(pb
, track
);
1796 if ((track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
1797 track
->enc
->codec_tag
== MKTAG('r','t','p',' ')) &&
1798 track
->has_keyframes
&& track
->has_keyframes
< track
->entry
)
1799 mov_write_stss_tag(pb
, track
, MOV_SYNC_SAMPLE
);
1800 if (track
->mode
== MODE_MOV
&& track
->flags
& MOV_TRACK_STPS
)
1801 mov_write_stss_tag(pb
, track
, MOV_PARTIAL_SYNC_SAMPLE
);
1802 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
1803 track
->flags
& MOV_TRACK_CTTS
)
1804 mov_write_ctts_tag(pb
, track
);
1805 mov_write_stsc_tag(pb
, track
);
1806 mov_write_stsz_tag(pb
, track
);
1807 mov_write_stco_tag(pb
, track
);
1808 return update_size(pb
, pos
);
1811 static int mov_write_dinf_tag(AVIOContext
*pb
)
1813 int64_t pos
= avio_tell(pb
);
1814 avio_wb32(pb
, 0); /* size */
1815 ffio_wfourcc(pb
, "dinf");
1816 mov_write_dref_tag(pb
);
1817 return update_size(pb
, pos
);
1820 static int mov_write_nmhd_tag(AVIOContext
*pb
)
1823 ffio_wfourcc(pb
, "nmhd");
1828 static int mov_write_tcmi_tag(AVIOContext
*pb
, MOVTrack
*track
)
1830 int64_t pos
= avio_tell(pb
);
1831 const char *font
= "Lucida Grande";
1832 avio_wb32(pb
, 0); /* size */
1833 ffio_wfourcc(pb
, "tcmi"); /* timecode media information atom */
1834 avio_wb32(pb
, 0); /* version & flags */
1835 avio_wb16(pb
, 0); /* text font */
1836 avio_wb16(pb
, 0); /* text face */
1837 avio_wb16(pb
, 12); /* text size */
1838 avio_wb16(pb
, 0); /* (unknown, not in the QT specs...) */
1839 avio_wb16(pb
, 0x0000); /* text color (red) */
1840 avio_wb16(pb
, 0x0000); /* text color (green) */
1841 avio_wb16(pb
, 0x0000); /* text color (blue) */
1842 avio_wb16(pb
, 0xffff); /* background color (red) */
1843 avio_wb16(pb
, 0xffff); /* background color (green) */
1844 avio_wb16(pb
, 0xffff); /* background color (blue) */
1845 avio_w8(pb
, strlen(font
)); /* font len (part of the pascal string) */
1846 avio_write(pb
, font
, strlen(font
)); /* font name */
1847 return update_size(pb
, pos
);
1850 static int mov_write_gmhd_tag(AVIOContext
*pb
, MOVTrack
*track
)
1852 int64_t pos
= avio_tell(pb
);
1853 avio_wb32(pb
, 0); /* size */
1854 ffio_wfourcc(pb
, "gmhd");
1855 avio_wb32(pb
, 0x18); /* gmin size */
1856 ffio_wfourcc(pb
, "gmin");/* generic media info */
1857 avio_wb32(pb
, 0); /* version & flags */
1858 avio_wb16(pb
, 0x40); /* graphics mode = */
1859 avio_wb16(pb
, 0x8000); /* opColor (r?) */
1860 avio_wb16(pb
, 0x8000); /* opColor (g?) */
1861 avio_wb16(pb
, 0x8000); /* opColor (b?) */
1862 avio_wb16(pb
, 0); /* balance */
1863 avio_wb16(pb
, 0); /* reserved */
1866 * This special text atom is required for
1867 * Apple Quicktime chapters. The contents
1868 * don't appear to be documented, so the
1869 * bytes are copied verbatim.
1871 if (track
->tag
!= MKTAG('c','6','0','8')) {
1872 avio_wb32(pb
, 0x2C); /* size */
1873 ffio_wfourcc(pb
, "text");
1874 avio_wb16(pb
, 0x01);
1875 avio_wb32(pb
, 0x00);
1876 avio_wb32(pb
, 0x00);
1877 avio_wb32(pb
, 0x00);
1878 avio_wb32(pb
, 0x01);
1879 avio_wb32(pb
, 0x00);
1880 avio_wb32(pb
, 0x00);
1881 avio_wb32(pb
, 0x00);
1882 avio_wb32(pb
, 0x00004000);
1883 avio_wb16(pb
, 0x0000);
1886 if (track
->enc
->codec_tag
== MKTAG('t','m','c','d')) {
1887 int64_t tmcd_pos
= avio_tell(pb
);
1888 avio_wb32(pb
, 0); /* size */
1889 ffio_wfourcc(pb
, "tmcd");
1890 mov_write_tcmi_tag(pb
, track
);
1891 update_size(pb
, tmcd_pos
);
1893 return update_size(pb
, pos
);
1896 static int mov_write_smhd_tag(AVIOContext
*pb
)
1898 avio_wb32(pb
, 16); /* size */
1899 ffio_wfourcc(pb
, "smhd");
1900 avio_wb32(pb
, 0); /* version & flags */
1901 avio_wb16(pb
, 0); /* reserved (balance, normally = 0) */
1902 avio_wb16(pb
, 0); /* reserved */
1906 static int mov_write_vmhd_tag(AVIOContext
*pb
)
1908 avio_wb32(pb
, 0x14); /* size (always 0x14) */
1909 ffio_wfourcc(pb
, "vmhd");
1910 avio_wb32(pb
, 0x01); /* version & flags */
1911 avio_wb64(pb
, 0); /* reserved (graphics mode = copy) */
1915 static int is_clcp_track(MOVTrack
*track
)
1917 return track
->tag
== MKTAG('c','7','0','8') ||
1918 track
->tag
== MKTAG('c','6','0','8');
1921 static int mov_write_hdlr_tag(AVIOContext
*pb
, MOVTrack
*track
)
1923 const char *hdlr
, *descr
= NULL
, *hdlr_type
= NULL
;
1924 int64_t pos
= avio_tell(pb
);
1928 descr
= "DataHandler";
1931 hdlr
= (track
->mode
== MODE_MOV
) ? "mhlr" : "\0\0\0\0";
1932 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
1934 descr
= "VideoHandler";
1935 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
1937 descr
= "SoundHandler";
1938 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
1939 if (is_clcp_track(track
)) {
1941 descr
= "ClosedCaptionHandler";
1943 if (track
->tag
== MKTAG('t','x','3','g')) {
1945 } else if (track
->tag
== MKTAG('m','p','4','s')) {
1950 descr
= "SubtitleHandler";
1952 } else if (track
->enc
->codec_tag
== MKTAG('r','t','p',' ')) {
1954 descr
= "HintHandler";
1955 } else if (track
->enc
->codec_tag
== MKTAG('t','m','c','d')) {
1957 descr
= "TimeCodeHandler";
1960 av_get_codec_tag_string(tag_buf
, sizeof(tag_buf
),
1961 track
->enc
->codec_tag
);
1963 av_log(track
->enc
, AV_LOG_WARNING
,
1964 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1965 tag_buf
, track
->enc
->codec_tag
);
1968 // hdlr.name is used by some players to identify the content title
1969 // of the track. So if an alternate handler description is
1970 // specified, use it.
1971 AVDictionaryEntry
*t
;
1972 t
= av_dict_get(track
->st
->metadata
, "handler", NULL
, 0);
1973 if (t
&& utf8len(t
->value
))
1978 avio_wb32(pb
, 0); /* size */
1979 ffio_wfourcc(pb
, "hdlr");
1980 avio_wb32(pb
, 0); /* Version & flags */
1981 avio_write(pb
, hdlr
, 4); /* handler */
1982 ffio_wfourcc(pb
, hdlr_type
); /* handler type */
1983 avio_wb32(pb
, 0); /* reserved */
1984 avio_wb32(pb
, 0); /* reserved */
1985 avio_wb32(pb
, 0); /* reserved */
1986 if (!track
|| track
->mode
== MODE_MOV
)
1987 avio_w8(pb
, strlen(descr
)); /* pascal string */
1988 avio_write(pb
, descr
, strlen(descr
)); /* handler description */
1989 if (track
&& track
->mode
!= MODE_MOV
)
1990 avio_w8(pb
, 0); /* c string */
1991 return update_size(pb
, pos
);
1994 static int mov_write_hmhd_tag(AVIOContext
*pb
)
1996 /* This atom must be present, but leaving the values at zero
1997 * seems harmless. */
1998 avio_wb32(pb
, 28); /* size */
1999 ffio_wfourcc(pb
, "hmhd");
2000 avio_wb32(pb
, 0); /* version, flags */
2001 avio_wb16(pb
, 0); /* maxPDUsize */
2002 avio_wb16(pb
, 0); /* avgPDUsize */
2003 avio_wb32(pb
, 0); /* maxbitrate */
2004 avio_wb32(pb
, 0); /* avgbitrate */
2005 avio_wb32(pb
, 0); /* reserved */
2009 static int mov_write_minf_tag(AVIOContext
*pb
, MOVTrack
*track
)
2011 int64_t pos
= avio_tell(pb
);
2012 avio_wb32(pb
, 0); /* size */
2013 ffio_wfourcc(pb
, "minf");
2014 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
)
2015 mov_write_vmhd_tag(pb
);
2016 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
2017 mov_write_smhd_tag(pb
);
2018 else if (track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
2019 if (track
->tag
== MKTAG('t','e','x','t') || is_clcp_track(track
)) {
2020 mov_write_gmhd_tag(pb
, track
);
2022 mov_write_nmhd_tag(pb
);
2024 } else if (track
->tag
== MKTAG('r','t','p',' ')) {
2025 mov_write_hmhd_tag(pb
);
2026 } else if (track
->tag
== MKTAG('t','m','c','d')) {
2027 mov_write_gmhd_tag(pb
, track
);
2029 if (track
->mode
== MODE_MOV
) /* FIXME: Why do it for MODE_MOV only ? */
2030 mov_write_hdlr_tag(pb
, NULL
);
2031 mov_write_dinf_tag(pb
);
2032 mov_write_stbl_tag(pb
, track
);
2033 return update_size(pb
, pos
);
2036 static int mov_write_mdhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2039 int version
= track
->track_duration
< INT32_MAX
? 0 : 1;
2041 if (track
->mode
== MODE_ISM
)
2044 (version
== 1) ? avio_wb32(pb
, 44) : avio_wb32(pb
, 32); /* size */
2045 ffio_wfourcc(pb
, "mdhd");
2046 avio_w8(pb
, version
);
2047 avio_wb24(pb
, 0); /* flags */
2049 avio_wb64(pb
, track
->time
);
2050 avio_wb64(pb
, track
->time
);
2052 avio_wb32(pb
, track
->time
); /* creation time */
2053 avio_wb32(pb
, track
->time
); /* modification time */
2055 avio_wb32(pb
, track
->timescale
); /* time scale (sample rate for audio) */
2056 if (!track
->entry
&& mov
->mode
== MODE_ISM
)
2057 (version
== 1) ? avio_wb64(pb
, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb
, 0xffffffff);
2058 else if (!track
->entry
)
2059 (version
== 1) ? avio_wb64(pb
, 0) : avio_wb32(pb
, 0);
2061 (version
== 1) ? avio_wb64(pb
, track
->track_duration
) : avio_wb32(pb
, track
->track_duration
); /* duration */
2062 avio_wb16(pb
, track
->language
); /* language */
2063 avio_wb16(pb
, 0); /* reserved (quality) */
2065 if (version
!= 0 && track
->mode
== MODE_MOV
) {
2066 av_log(NULL
, AV_LOG_ERROR
,
2067 "FATAL error, file duration too long for timebase, this file will not be\n"
2068 "playable with quicktime. Choose a different timebase or a different\n"
2069 "container format\n");
2075 static int mov_write_mdia_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2078 int64_t pos
= avio_tell(pb
);
2079 avio_wb32(pb
, 0); /* size */
2080 ffio_wfourcc(pb
, "mdia");
2081 mov_write_mdhd_tag(pb
, mov
, track
);
2082 mov_write_hdlr_tag(pb
, track
);
2083 mov_write_minf_tag(pb
, track
);
2084 return update_size(pb
, pos
);
2087 /* transformation matrix
2091 static void write_matrix(AVIOContext
*pb
, int16_t a
, int16_t b
, int16_t c
,
2092 int16_t d
, int16_t tx
, int16_t ty
)
2094 avio_wb32(pb
, a
<< 16); /* 16.16 format */
2095 avio_wb32(pb
, b
<< 16); /* 16.16 format */
2096 avio_wb32(pb
, 0); /* u in 2.30 format */
2097 avio_wb32(pb
, c
<< 16); /* 16.16 format */
2098 avio_wb32(pb
, d
<< 16); /* 16.16 format */
2099 avio_wb32(pb
, 0); /* v in 2.30 format */
2100 avio_wb32(pb
, tx
<< 16); /* 16.16 format */
2101 avio_wb32(pb
, ty
<< 16); /* 16.16 format */
2102 avio_wb32(pb
, 1 << 30); /* w in 2.30 format */
2105 static int mov_write_tkhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2106 MOVTrack
*track
, AVStream
*st
)
2108 int64_t duration
= av_rescale_rnd(track
->track_duration
, MOV_TIMESCALE
,
2109 track
->timescale
, AV_ROUND_UP
);
2110 int version
= duration
< INT32_MAX
? 0 : 1;
2111 int flags
= MOV_TKHD_FLAG_IN_MOVIE
;
2117 if (mov
->per_stream_grouping
)
2120 group
= st
->codec
->codec_type
;
2123 if (track
->flags
& MOV_TRACK_ENABLED
)
2124 flags
|= MOV_TKHD_FLAG_ENABLED
;
2126 if (track
->mode
== MODE_ISM
)
2129 (version
== 1) ? avio_wb32(pb
, 104) : avio_wb32(pb
, 92); /* size */
2130 ffio_wfourcc(pb
, "tkhd");
2131 avio_w8(pb
, version
);
2132 avio_wb24(pb
, flags
);
2134 avio_wb64(pb
, track
->time
);
2135 avio_wb64(pb
, track
->time
);
2137 avio_wb32(pb
, track
->time
); /* creation time */
2138 avio_wb32(pb
, track
->time
); /* modification time */
2140 avio_wb32(pb
, track
->track_id
); /* track-id */
2141 avio_wb32(pb
, 0); /* reserved */
2142 if (!track
->entry
&& mov
->mode
== MODE_ISM
)
2143 (version
== 1) ? avio_wb64(pb
, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb
, 0xffffffff);
2144 else if (!track
->entry
)
2145 (version
== 1) ? avio_wb64(pb
, 0) : avio_wb32(pb
, 0);
2147 (version
== 1) ? avio_wb64(pb
, duration
) : avio_wb32(pb
, duration
);
2149 avio_wb32(pb
, 0); /* reserved */
2150 avio_wb32(pb
, 0); /* reserved */
2151 avio_wb16(pb
, 0); /* layer */
2152 avio_wb16(pb
, group
); /* alternate group) */
2153 /* Volume, only for audio */
2154 if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
)
2155 avio_wb16(pb
, 0x0100);
2158 avio_wb16(pb
, 0); /* reserved */
2160 /* Matrix structure */
2161 if (st
&& st
->metadata
) {
2162 AVDictionaryEntry
*rot
= av_dict_get(st
->metadata
, "rotate", NULL
, 0);
2163 rotation
= (rot
&& rot
->value
) ? atoi(rot
->value
) : 0;
2165 if (rotation
== 90) {
2166 write_matrix(pb
, 0, 1, -1, 0, track
->enc
->height
, 0);
2167 } else if (rotation
== 180) {
2168 write_matrix(pb
, -1, 0, 0, -1, track
->enc
->width
, track
->enc
->height
);
2169 } else if (rotation
== 270) {
2170 write_matrix(pb
, 0, -1, 1, 0, 0, track
->enc
->width
);
2172 write_matrix(pb
, 1, 0, 0, 1, 0, 0);
2174 /* Track width and height, for visual only */
2175 if (st
&& (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
||
2176 track
->enc
->codec_type
== AVMEDIA_TYPE_SUBTITLE
)) {
2177 if (track
->mode
== MODE_MOV
) {
2178 avio_wb32(pb
, track
->enc
->width
<< 16);
2179 avio_wb32(pb
, track
->height
<< 16);
2181 double sample_aspect_ratio
= av_q2d(st
->sample_aspect_ratio
);
2182 if (!sample_aspect_ratio
|| track
->height
!= track
->enc
->height
)
2183 sample_aspect_ratio
= 1;
2184 avio_wb32(pb
, sample_aspect_ratio
* track
->enc
->width
* 0x10000);
2185 avio_wb32(pb
, track
->height
* 0x10000);
2194 static int mov_write_tapt_tag(AVIOContext
*pb
, MOVTrack
*track
)
2196 int32_t width
= av_rescale(track
->enc
->sample_aspect_ratio
.num
, track
->enc
->width
,
2197 track
->enc
->sample_aspect_ratio
.den
);
2199 int64_t pos
= avio_tell(pb
);
2201 avio_wb32(pb
, 0); /* size */
2202 ffio_wfourcc(pb
, "tapt");
2205 ffio_wfourcc(pb
, "clef");
2207 avio_wb32(pb
, width
<< 16);
2208 avio_wb32(pb
, track
->enc
->height
<< 16);
2211 ffio_wfourcc(pb
, "prof");
2213 avio_wb32(pb
, width
<< 16);
2214 avio_wb32(pb
, track
->enc
->height
<< 16);
2217 ffio_wfourcc(pb
, "enof");
2219 avio_wb32(pb
, track
->enc
->width
<< 16);
2220 avio_wb32(pb
, track
->enc
->height
<< 16);
2222 return update_size(pb
, pos
);
2225 // This box seems important for the psp playback ... without it the movie seems to hang
2226 static int mov_write_edts_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2229 int64_t duration
= av_rescale_rnd(track
->track_duration
, MOV_TIMESCALE
,
2230 track
->timescale
, AV_ROUND_UP
);
2231 int version
= duration
< INT32_MAX
? 0 : 1;
2232 int entry_size
, entry_count
, size
;
2233 int64_t delay
, start_ct
= track
->cluster
[0].cts
;
2234 delay
= av_rescale_rnd(track
->cluster
[0].dts
+ start_ct
, MOV_TIMESCALE
,
2235 track
->timescale
, AV_ROUND_DOWN
);
2236 version
|= delay
< INT32_MAX
? 0 : 1;
2238 entry_size
= (version
== 1) ? 20 : 12;
2239 entry_count
= 1 + (delay
> 0);
2240 size
= 24 + entry_count
* entry_size
;
2242 /* write the atom data */
2243 avio_wb32(pb
, size
);
2244 ffio_wfourcc(pb
, "edts");
2245 avio_wb32(pb
, size
- 8);
2246 ffio_wfourcc(pb
, "elst");
2247 avio_w8(pb
, version
);
2248 avio_wb24(pb
, 0); /* flags */
2250 avio_wb32(pb
, entry_count
);
2251 if (delay
> 0) { /* add an empty edit to delay presentation */
2252 /* In the positive delay case, the delay includes the cts
2253 * offset, and the second edit list entry below trims out
2254 * the same amount from the actual content. This makes sure
2255 * that the offsetted last sample is included in the edit
2256 * list duration as well. */
2258 avio_wb64(pb
, delay
);
2261 avio_wb32(pb
, delay
);
2264 avio_wb32(pb
, 0x00010000);
2266 /* Avoid accidentally ending up with start_ct = -1 which has got a
2267 * special meaning. Normally start_ct should end up positive or zero
2268 * here, but use FFMIN in case dts is a a small positive integer
2269 * rounded to 0 when represented in MOV_TIMESCALE units. */
2270 av_assert0(av_rescale_rnd(track
->cluster
[0].dts
, MOV_TIMESCALE
, track
->timescale
, AV_ROUND_DOWN
) <= 0);
2271 start_ct
= -FFMIN(track
->cluster
[0].dts
, 0);
2272 /* Note, this delay is calculated from the pts of the first sample,
2273 * ensuring that we don't reduce the duration for cases with
2278 /* For fragmented files, we don't know the full length yet. Setting
2279 * duration to 0 allows us to only specify the offset, including
2280 * the rest of the content (from all future fragments) without specifying
2281 * an explicit duration. */
2282 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
)
2287 avio_wb64(pb
, duration
);
2288 avio_wb64(pb
, start_ct
);
2290 avio_wb32(pb
, duration
);
2291 avio_wb32(pb
, start_ct
);
2293 avio_wb32(pb
, 0x00010000);
2297 static int mov_write_tref_tag(AVIOContext
*pb
, MOVTrack
*track
)
2299 avio_wb32(pb
, 20); // size
2300 ffio_wfourcc(pb
, "tref");
2301 avio_wb32(pb
, 12); // size (subatom)
2302 avio_wl32(pb
, track
->tref_tag
);
2303 avio_wb32(pb
, track
->tref_id
);
2307 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2308 static int mov_write_uuid_tag_psp(AVIOContext
*pb
, MOVTrack
*mov
)
2310 avio_wb32(pb
, 0x34); /* size ... reports as 28 in mp4box! */
2311 ffio_wfourcc(pb
, "uuid");
2312 ffio_wfourcc(pb
, "USMT");
2313 avio_wb32(pb
, 0x21d24fce);
2314 avio_wb32(pb
, 0xbb88695c);
2315 avio_wb32(pb
, 0xfac9c740);
2316 avio_wb32(pb
, 0x1c); // another size here!
2317 ffio_wfourcc(pb
, "MTDT");
2318 avio_wb32(pb
, 0x00010012);
2319 avio_wb32(pb
, 0x0a);
2320 avio_wb32(pb
, 0x55c40000);
2326 static int mov_write_udta_sdp(AVIOContext
*pb
, MOVTrack
*track
)
2328 AVFormatContext
*ctx
= track
->rtp_ctx
;
2329 char buf
[1000] = "";
2332 ff_sdp_write_media(buf
, sizeof(buf
), ctx
->streams
[0], track
->src_track
,
2333 NULL
, NULL
, 0, 0, ctx
);
2334 av_strlcatf(buf
, sizeof(buf
), "a=control:streamid=%d\r\n", track
->track_id
);
2337 avio_wb32(pb
, len
+ 24);
2338 ffio_wfourcc(pb
, "udta");
2339 avio_wb32(pb
, len
+ 16);
2340 ffio_wfourcc(pb
, "hnti");
2341 avio_wb32(pb
, len
+ 8);
2342 ffio_wfourcc(pb
, "sdp ");
2343 avio_write(pb
, buf
, len
);
2347 static int mov_write_track_metadata(AVIOContext
*pb
, AVStream
*st
,
2348 const char *tag
, const char *str
)
2350 int64_t pos
= avio_tell(pb
);
2351 AVDictionaryEntry
*t
= av_dict_get(st
->metadata
, str
, NULL
, 0);
2352 if (!t
|| !utf8len(t
->value
))
2355 avio_wb32(pb
, 0); /* size */
2356 ffio_wfourcc(pb
, tag
); /* type */
2357 avio_write(pb
, t
->value
, strlen(t
->value
)); /* UTF8 string value */
2358 return update_size(pb
, pos
);
2361 static int mov_write_track_udta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2364 AVIOContext
*pb_buf
;
2368 if (!st
|| mov
->fc
->flags
& AVFMT_FLAG_BITEXACT
)
2371 ret
= avio_open_dyn_buf(&pb_buf
);
2375 if (mov
->mode
& MODE_MP4
)
2376 mov_write_track_metadata(pb_buf
, st
, "name", "title");
2378 if ((size
= avio_close_dyn_buf(pb_buf
, &buf
)) > 0) {
2379 avio_wb32(pb
, size
+ 8);
2380 ffio_wfourcc(pb
, "udta");
2381 avio_write(pb
, buf
, size
);
2388 static int mov_write_trak_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2389 MOVTrack
*track
, AVStream
*st
)
2391 int64_t pos
= avio_tell(pb
);
2392 avio_wb32(pb
, 0); /* size */
2393 ffio_wfourcc(pb
, "trak");
2394 mov_write_tkhd_tag(pb
, mov
, track
, st
);
2396 av_assert2(mov
->use_editlist
>= 0);
2400 if (mov
->use_editlist
)
2401 mov_write_edts_tag(pb
, mov
, track
); // PSP Movies and several other cases require edts box
2402 else if ((track
->entry
&& track
->cluster
[0].dts
) || track
->mode
== MODE_PSP
|| is_clcp_track(track
))
2403 av_log(mov
->fc
, AV_LOG_WARNING
,
2404 "Not writing any edit list even though one would have been required\n");
2407 if (track
->tref_tag
)
2408 mov_write_tref_tag(pb
, track
);
2409 mov_write_mdia_tag(pb
, mov
, track
);
2410 if (track
->mode
== MODE_PSP
)
2411 mov_write_uuid_tag_psp(pb
, track
); // PSP Movies require this uuid box
2412 if (track
->tag
== MKTAG('r','t','p',' '))
2413 mov_write_udta_sdp(pb
, track
);
2414 if (track
->mode
== MODE_MOV
) {
2415 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
2416 double sample_aspect_ratio
= av_q2d(st
->sample_aspect_ratio
);
2417 if (st
->sample_aspect_ratio
.num
&& 1.0 != sample_aspect_ratio
) {
2418 mov_write_tapt_tag(pb
, track
);
2421 if (is_clcp_track(track
) && st
->sample_aspect_ratio
.num
) {
2422 mov_write_tapt_tag(pb
, track
);
2425 mov_write_track_udta_tag(pb
, mov
, st
);
2426 return update_size(pb
, pos
);
2429 static int mov_write_iods_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2431 int i
, has_audio
= 0, has_video
= 0;
2432 int64_t pos
= avio_tell(pb
);
2433 int audio_profile
= mov
->iods_audio_profile
;
2434 int video_profile
= mov
->iods_video_profile
;
2435 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2436 if (mov
->tracks
[i
].entry
> 0 || mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
) {
2437 has_audio
|= mov
->tracks
[i
].enc
->codec_type
== AVMEDIA_TYPE_AUDIO
;
2438 has_video
|= mov
->tracks
[i
].enc
->codec_type
== AVMEDIA_TYPE_VIDEO
;
2441 if (audio_profile
< 0)
2442 audio_profile
= 0xFF - has_audio
;
2443 if (video_profile
< 0)
2444 video_profile
= 0xFF - has_video
;
2445 avio_wb32(pb
, 0x0); /* size */
2446 ffio_wfourcc(pb
, "iods");
2447 avio_wb32(pb
, 0); /* version & flags */
2448 put_descr(pb
, 0x10, 7);
2449 avio_wb16(pb
, 0x004f);
2452 avio_w8(pb
, audio_profile
);
2453 avio_w8(pb
, video_profile
);
2455 return update_size(pb
, pos
);
2458 static int mov_write_trex_tag(AVIOContext
*pb
, MOVTrack
*track
)
2460 avio_wb32(pb
, 0x20); /* size */
2461 ffio_wfourcc(pb
, "trex");
2462 avio_wb32(pb
, 0); /* version & flags */
2463 avio_wb32(pb
, track
->track_id
); /* track ID */
2464 avio_wb32(pb
, 1); /* default sample description index */
2465 avio_wb32(pb
, 0); /* default sample duration */
2466 avio_wb32(pb
, 0); /* default sample size */
2467 avio_wb32(pb
, 0); /* default sample flags */
2471 static int mov_write_mvex_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2473 int64_t pos
= avio_tell(pb
);
2475 avio_wb32(pb
, 0x0); /* size */
2476 ffio_wfourcc(pb
, "mvex");
2477 for (i
= 0; i
< mov
->nb_streams
; i
++)
2478 mov_write_trex_tag(pb
, &mov
->tracks
[i
]);
2479 return update_size(pb
, pos
);
2482 static int mov_write_mvhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
2484 int max_track_id
= 1, i
;
2485 int64_t max_track_len_temp
, max_track_len
= 0;
2488 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2489 if (mov
->tracks
[i
].entry
> 0 && mov
->tracks
[i
].timescale
) {
2490 max_track_len_temp
= av_rescale_rnd(mov
->tracks
[i
].track_duration
,
2492 mov
->tracks
[i
].timescale
,
2494 if (max_track_len
< max_track_len_temp
)
2495 max_track_len
= max_track_len_temp
;
2496 if (max_track_id
< mov
->tracks
[i
].track_id
)
2497 max_track_id
= mov
->tracks
[i
].track_id
;
2501 version
= max_track_len
< UINT32_MAX
? 0 : 1;
2502 (version
== 1) ? avio_wb32(pb
, 120) : avio_wb32(pb
, 108); /* size */
2503 ffio_wfourcc(pb
, "mvhd");
2504 avio_w8(pb
, version
);
2505 avio_wb24(pb
, 0); /* flags */
2507 avio_wb64(pb
, mov
->time
);
2508 avio_wb64(pb
, mov
->time
);
2510 avio_wb32(pb
, mov
->time
); /* creation time */
2511 avio_wb32(pb
, mov
->time
); /* modification time */
2513 avio_wb32(pb
, MOV_TIMESCALE
);
2514 (version
== 1) ? avio_wb64(pb
, max_track_len
) : avio_wb32(pb
, max_track_len
); /* duration of longest track */
2516 avio_wb32(pb
, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2517 avio_wb16(pb
, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2518 avio_wb16(pb
, 0); /* reserved */
2519 avio_wb32(pb
, 0); /* reserved */
2520 avio_wb32(pb
, 0); /* reserved */
2522 /* Matrix structure */
2523 write_matrix(pb
, 1, 0, 0, 1, 0, 0);
2525 avio_wb32(pb
, 0); /* reserved (preview time) */
2526 avio_wb32(pb
, 0); /* reserved (preview duration) */
2527 avio_wb32(pb
, 0); /* reserved (poster time) */
2528 avio_wb32(pb
, 0); /* reserved (selection time) */
2529 avio_wb32(pb
, 0); /* reserved (selection duration) */
2530 avio_wb32(pb
, 0); /* reserved (current time) */
2531 avio_wb32(pb
, max_track_id
+ 1); /* Next track id */
2535 static int mov_write_itunes_hdlr_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2538 avio_wb32(pb
, 33); /* size */
2539 ffio_wfourcc(pb
, "hdlr");
2542 ffio_wfourcc(pb
, "mdir");
2543 ffio_wfourcc(pb
, "appl");
2550 /* helper function to write a data tag with the specified string as data */
2551 static int mov_write_string_data_tag(AVIOContext
*pb
, const char *data
, int lang
, int long_style
)
2554 int size
= 16 + strlen(data
);
2555 avio_wb32(pb
, size
); /* size */
2556 ffio_wfourcc(pb
, "data");
2559 avio_write(pb
, data
, strlen(data
));
2563 lang
= ff_mov_iso639_to_lang("und", 1);
2564 avio_wb16(pb
, strlen(data
)); /* string length */
2565 avio_wb16(pb
, lang
);
2566 avio_write(pb
, data
, strlen(data
));
2567 return strlen(data
) + 4;
2571 static int mov_write_string_tag(AVIOContext
*pb
, const char *name
,
2572 const char *value
, int lang
, int long_style
)
2575 if (value
&& value
[0]) {
2576 int64_t pos
= avio_tell(pb
);
2577 avio_wb32(pb
, 0); /* size */
2578 ffio_wfourcc(pb
, name
);
2579 mov_write_string_data_tag(pb
, value
, lang
, long_style
);
2580 size
= update_size(pb
, pos
);
2585 static int mov_write_string_metadata(AVFormatContext
*s
, AVIOContext
*pb
,
2586 const char *name
, const char *tag
,
2589 int l
, lang
= 0, len
, len2
;
2590 AVDictionaryEntry
*t
, *t2
= NULL
;
2593 if (!(t
= av_dict_get(s
->metadata
, tag
, NULL
, 0)))
2596 len
= strlen(t
->key
);
2597 snprintf(tag2
, sizeof(tag2
), "%s-", tag
);
2598 while ((t2
= av_dict_get(s
->metadata
, tag2
, t2
, AV_DICT_IGNORE_SUFFIX
))) {
2599 len2
= strlen(t2
->key
);
2600 if (len2
== len
+ 4 && !strcmp(t
->value
, t2
->value
)
2601 && (l
= ff_mov_iso639_to_lang(&t2
->key
[len2
- 3], 1)) >= 0) {
2606 return mov_write_string_tag(pb
, name
, t
->value
, lang
, long_style
);
2609 /* iTunes bpm number */
2610 static int mov_write_tmpo_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2612 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
, "tmpo", NULL
, 0);
2613 int size
= 0, tmpo
= t
? atoi(t
->value
) : 0;
2616 avio_wb32(pb
, size
);
2617 ffio_wfourcc(pb
, "tmpo");
2618 avio_wb32(pb
, size
-8); /* size */
2619 ffio_wfourcc(pb
, "data");
2620 avio_wb32(pb
, 0x15); //type specifier
2622 avio_wb16(pb
, tmpo
); // data
2627 /* iTunes track or disc number */
2628 static int mov_write_trkn_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2629 AVFormatContext
*s
, int disc
)
2631 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
,
2632 disc
? "disc" : "track",
2634 int size
= 0, track
= t
? atoi(t
->value
) : 0;
2637 char *slash
= strchr(t
->value
, '/');
2639 tracks
= atoi(slash
+ 1);
2640 avio_wb32(pb
, 32); /* size */
2641 ffio_wfourcc(pb
, disc
? "disk" : "trkn");
2642 avio_wb32(pb
, 24); /* size */
2643 ffio_wfourcc(pb
, "data");
2644 avio_wb32(pb
, 0); // 8 bytes empty
2646 avio_wb16(pb
, 0); // empty
2647 avio_wb16(pb
, track
); // track / disc number
2648 avio_wb16(pb
, tracks
); // total track / disc number
2649 avio_wb16(pb
, 0); // empty
2655 static int mov_write_int8_metadata(AVFormatContext
*s
, AVIOContext
*pb
,
2656 const char *name
, const char *tag
,
2659 AVDictionaryEntry
*t
= NULL
;
2661 int size
= 24 + len
;
2663 if (len
!= 1 && len
!= 4)
2666 if (!(t
= av_dict_get(s
->metadata
, tag
, NULL
, 0)))
2668 num
= atoi(t
->value
);
2670 avio_wb32(pb
, size
);
2671 ffio_wfourcc(pb
, name
);
2672 avio_wb32(pb
, size
- 8);
2673 ffio_wfourcc(pb
, "data");
2674 avio_wb32(pb
, 0x15);
2676 if (len
==4) avio_wb32(pb
, num
);
2677 else avio_w8 (pb
, num
);
2682 /* iTunes meta data list */
2683 static int mov_write_ilst_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2686 int64_t pos
= avio_tell(pb
);
2687 avio_wb32(pb
, 0); /* size */
2688 ffio_wfourcc(pb
, "ilst");
2689 mov_write_string_metadata(s
, pb
, "\251nam", "title" , 1);
2690 mov_write_string_metadata(s
, pb
, "\251ART", "artist" , 1);
2691 mov_write_string_metadata(s
, pb
, "aART", "album_artist", 1);
2692 mov_write_string_metadata(s
, pb
, "\251wrt", "composer" , 1);
2693 mov_write_string_metadata(s
, pb
, "\251alb", "album" , 1);
2694 mov_write_string_metadata(s
, pb
, "\251day", "date" , 1);
2696 !mov_write_string_metadata(s
, pb
, "\251too", "encoding_tool", 1))
2697 mov_write_string_tag(pb
, "\251too", LIBAVFORMAT_IDENT
, 0, 1);
2698 mov_write_string_metadata(s
, pb
, "\251cmt", "comment" , 1);
2699 mov_write_string_metadata(s
, pb
, "\251gen", "genre" , 1);
2700 mov_write_string_metadata(s
, pb
, "\251cpy", "copyright", 1);
2701 mov_write_string_metadata(s
, pb
, "\251grp", "grouping" , 1);
2702 mov_write_string_metadata(s
, pb
, "\251lyr", "lyrics" , 1);
2703 mov_write_string_metadata(s
, pb
, "desc", "description",1);
2704 mov_write_string_metadata(s
, pb
, "ldes", "synopsis" , 1);
2705 mov_write_string_metadata(s
, pb
, "tvsh", "show" , 1);
2706 mov_write_string_metadata(s
, pb
, "tven", "episode_id",1);
2707 mov_write_string_metadata(s
, pb
, "tvnn", "network" , 1);
2708 mov_write_int8_metadata (s
, pb
, "tves", "episode_sort",4);
2709 mov_write_int8_metadata (s
, pb
, "tvsn", "season_number",4);
2710 mov_write_int8_metadata (s
, pb
, "stik", "media_type",1);
2711 mov_write_int8_metadata (s
, pb
, "hdvd", "hd_video", 1);
2712 mov_write_int8_metadata (s
, pb
, "pgap", "gapless_playback",1);
2713 mov_write_int8_metadata (s
, pb
, "cpil", "compilation", 1);
2714 mov_write_trkn_tag(pb
, mov
, s
, 0); // track number
2715 mov_write_trkn_tag(pb
, mov
, s
, 1); // disc number
2716 mov_write_tmpo_tag(pb
, s
);
2717 return update_size(pb
, pos
);
2720 /* iTunes meta data tag */
2721 static int mov_write_meta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2725 int64_t pos
= avio_tell(pb
);
2726 avio_wb32(pb
, 0); /* size */
2727 ffio_wfourcc(pb
, "meta");
2729 mov_write_itunes_hdlr_tag(pb
, mov
, s
);
2730 mov_write_ilst_tag(pb
, mov
, s
);
2731 size
= update_size(pb
, pos
);
2735 static int mov_write_raw_metadata_tag(AVFormatContext
*s
, AVIOContext
*pb
,
2736 const char *name
, const char *key
)
2739 AVDictionaryEntry
*t
;
2741 if (!(t
= av_dict_get(s
->metadata
, key
, NULL
, 0)))
2744 len
= strlen(t
->value
);
2747 avio_wb32(pb
, size
);
2748 ffio_wfourcc(pb
, name
);
2749 avio_write(pb
, t
->value
, len
);
2755 static int ascii_to_wc(AVIOContext
*pb
, const uint8_t *b
)
2759 GET_UTF8(val
, *b
++, return -1;)
2762 avio_wb16(pb
, 0x00);
2766 static uint16_t language_code(const char *str
)
2768 return (((str
[0] - 0x60) & 0x1F) << 10) +
2769 (((str
[1] - 0x60) & 0x1F) << 5) +
2770 (( str
[2] - 0x60) & 0x1F);
2773 static int mov_write_3gp_udta_tag(AVIOContext
*pb
, AVFormatContext
*s
,
2774 const char *tag
, const char *str
)
2776 int64_t pos
= avio_tell(pb
);
2777 AVDictionaryEntry
*t
= av_dict_get(s
->metadata
, str
, NULL
, 0);
2778 if (!t
|| !utf8len(t
->value
))
2780 avio_wb32(pb
, 0); /* size */
2781 ffio_wfourcc(pb
, tag
); /* type */
2782 avio_wb32(pb
, 0); /* version + flags */
2783 if (!strcmp(tag
, "yrrc"))
2784 avio_wb16(pb
, atoi(t
->value
));
2786 avio_wb16(pb
, language_code("eng")); /* language */
2787 avio_write(pb
, t
->value
, strlen(t
->value
) + 1); /* UTF8 string value */
2788 if (!strcmp(tag
, "albm") &&
2789 (t
= av_dict_get(s
->metadata
, "track", NULL
, 0)))
2790 avio_w8(pb
, atoi(t
->value
));
2792 return update_size(pb
, pos
);
2795 static int mov_write_chpl_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2797 int64_t pos
= avio_tell(pb
);
2798 int i
, nb_chapters
= FFMIN(s
->nb_chapters
, 255);
2800 avio_wb32(pb
, 0); // size
2801 ffio_wfourcc(pb
, "chpl");
2802 avio_wb32(pb
, 0x01000000); // version + flags
2803 avio_wb32(pb
, 0); // unknown
2804 avio_w8(pb
, nb_chapters
);
2806 for (i
= 0; i
< nb_chapters
; i
++) {
2807 AVChapter
*c
= s
->chapters
[i
];
2808 AVDictionaryEntry
*t
;
2809 avio_wb64(pb
, av_rescale_q(c
->start
, c
->time_base
, (AVRational
){1,10000000}));
2811 if ((t
= av_dict_get(c
->metadata
, "title", NULL
, 0))) {
2812 int len
= FFMIN(strlen(t
->value
), 255);
2814 avio_write(pb
, t
->value
, len
);
2818 return update_size(pb
, pos
);
2821 static int mov_write_udta_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2824 AVIOContext
*pb_buf
;
2828 ret
= avio_open_dyn_buf(&pb_buf
);
2832 if (mov
->mode
& MODE_3GP
) {
2833 mov_write_3gp_udta_tag(pb_buf
, s
, "perf", "artist");
2834 mov_write_3gp_udta_tag(pb_buf
, s
, "titl", "title");
2835 mov_write_3gp_udta_tag(pb_buf
, s
, "auth", "author");
2836 mov_write_3gp_udta_tag(pb_buf
, s
, "gnre", "genre");
2837 mov_write_3gp_udta_tag(pb_buf
, s
, "dscp", "comment");
2838 mov_write_3gp_udta_tag(pb_buf
, s
, "albm", "album");
2839 mov_write_3gp_udta_tag(pb_buf
, s
, "cprt", "copyright");
2840 mov_write_3gp_udta_tag(pb_buf
, s
, "yrrc", "date");
2841 } else if (mov
->mode
== MODE_MOV
) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2842 mov_write_string_metadata(s
, pb_buf
, "\251ART", "artist", 0);
2843 mov_write_string_metadata(s
, pb_buf
, "\251nam", "title", 0);
2844 mov_write_string_metadata(s
, pb_buf
, "\251aut", "author", 0);
2845 mov_write_string_metadata(s
, pb_buf
, "\251alb", "album", 0);
2846 mov_write_string_metadata(s
, pb_buf
, "\251day", "date", 0);
2847 mov_write_string_metadata(s
, pb_buf
, "\251swr", "encoder", 0);
2848 // currently ignored by mov.c
2849 mov_write_string_metadata(s
, pb_buf
, "\251des", "comment", 0);
2850 // add support for libquicktime, this atom is also actually read by mov.c
2851 mov_write_string_metadata(s
, pb_buf
, "\251cmt", "comment", 0);
2852 mov_write_string_metadata(s
, pb_buf
, "\251gen", "genre", 0);
2853 mov_write_string_metadata(s
, pb_buf
, "\251cpy", "copyright", 0);
2854 mov_write_raw_metadata_tag(s
, pb_buf
, "XMP_", "xmp");
2856 /* iTunes meta data */
2857 mov_write_meta_tag(pb_buf
, mov
, s
);
2860 if (s
->nb_chapters
&& !(mov
->flags
& FF_MOV_FLAG_DISABLE_CHPL
))
2861 mov_write_chpl_tag(pb_buf
, s
);
2863 if ((size
= avio_close_dyn_buf(pb_buf
, &buf
)) > 0) {
2864 avio_wb32(pb
, size
+ 8);
2865 ffio_wfourcc(pb
, "udta");
2866 avio_write(pb
, buf
, size
);
2873 static void mov_write_psp_udta_tag(AVIOContext
*pb
,
2874 const char *str
, const char *lang
, int type
)
2876 int len
= utf8len(str
) + 1;
2879 avio_wb16(pb
, len
* 2 + 10); /* size */
2880 avio_wb32(pb
, type
); /* type */
2881 avio_wb16(pb
, language_code(lang
)); /* language */
2882 avio_wb16(pb
, 0x01); /* ? */
2883 ascii_to_wc(pb
, str
);
2886 static int mov_write_uuidusmt_tag(AVIOContext
*pb
, AVFormatContext
*s
)
2888 MOVMuxContext
*mov
= s
->priv_data
;
2889 AVDictionaryEntry
*title
= av_dict_get(s
->metadata
, "title", NULL
, 0);
2893 pos
= avio_tell(pb
);
2894 avio_wb32(pb
, 0); /* size placeholder*/
2895 ffio_wfourcc(pb
, "uuid");
2896 ffio_wfourcc(pb
, "USMT");
2897 avio_wb32(pb
, 0x21d24fce); /* 96 bit UUID */
2898 avio_wb32(pb
, 0xbb88695c);
2899 avio_wb32(pb
, 0xfac9c740);
2901 pos2
= avio_tell(pb
);
2902 avio_wb32(pb
, 0); /* size placeholder*/
2903 ffio_wfourcc(pb
, "MTDT");
2907 avio_wb16(pb
, 0x0C); /* size */
2908 avio_wb32(pb
, 0x0B); /* type */
2909 avio_wb16(pb
, language_code("und")); /* language */
2910 avio_wb16(pb
, 0x0); /* ? */
2911 avio_wb16(pb
, 0x021C); /* data */
2914 mov_write_psp_udta_tag(pb
, LIBAVCODEC_IDENT
, "eng", 0x04);
2915 mov_write_psp_udta_tag(pb
, title
->value
, "eng", 0x01);
2916 mov_write_psp_udta_tag(pb
, "2006/04/01 11:11:11", "und", 0x03);
2918 update_size(pb
, pos2
);
2919 return update_size(pb
, pos
);
2925 static void build_chunks(MOVTrack
*trk
)
2928 MOVIentry
*chunk
= &trk
->cluster
[0];
2929 uint64_t chunkSize
= chunk
->size
;
2930 chunk
->chunkNum
= 1;
2931 if (trk
->chunkCount
)
2933 trk
->chunkCount
= 1;
2934 for (i
= 1; i
<trk
->entry
; i
++){
2935 if (chunk
->pos
+ chunkSize
== trk
->cluster
[i
].pos
&&
2936 chunkSize
+ trk
->cluster
[i
].size
< (1<<20)){
2937 chunkSize
+= trk
->cluster
[i
].size
;
2938 chunk
->samples_in_chunk
+= trk
->cluster
[i
].entries
;
2940 trk
->cluster
[i
].chunkNum
= chunk
->chunkNum
+1;
2941 chunk
=&trk
->cluster
[i
];
2942 chunkSize
= chunk
->size
;
2948 static int mov_write_moov_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
2952 int64_t pos
= avio_tell(pb
);
2953 avio_wb32(pb
, 0); /* size placeholder*/
2954 ffio_wfourcc(pb
, "moov");
2956 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2957 if (mov
->tracks
[i
].entry
<= 0 && !(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
2960 mov
->tracks
[i
].time
= mov
->time
;
2961 mov
->tracks
[i
].track_id
= i
+ 1;
2963 if (mov
->tracks
[i
].entry
)
2964 build_chunks(&mov
->tracks
[i
]);
2967 if (mov
->chapter_track
)
2968 for (i
= 0; i
< s
->nb_streams
; i
++) {
2969 mov
->tracks
[i
].tref_tag
= MKTAG('c','h','a','p');
2970 mov
->tracks
[i
].tref_id
= mov
->tracks
[mov
->chapter_track
].track_id
;
2972 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2973 if (mov
->tracks
[i
].tag
== MKTAG('r','t','p',' ')) {
2974 mov
->tracks
[i
].tref_tag
= MKTAG('h','i','n','t');
2975 mov
->tracks
[i
].tref_id
=
2976 mov
->tracks
[mov
->tracks
[i
].src_track
].track_id
;
2979 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2980 if (mov
->tracks
[i
].tag
== MKTAG('t','m','c','d')) {
2981 int src_trk
= mov
->tracks
[i
].src_track
;
2982 mov
->tracks
[src_trk
].tref_tag
= mov
->tracks
[i
].tag
;
2983 mov
->tracks
[src_trk
].tref_id
= mov
->tracks
[i
].track_id
;
2984 //src_trk may have a different timescale than the tmcd track
2985 mov
->tracks
[i
].track_duration
= av_rescale(mov
->tracks
[src_trk
].track_duration
,
2986 mov
->tracks
[i
].timescale
,
2987 mov
->tracks
[src_trk
].timescale
);
2991 mov_write_mvhd_tag(pb
, mov
);
2992 if (mov
->mode
!= MODE_MOV
&& !mov
->iods_skip
)
2993 mov_write_iods_tag(pb
, mov
);
2994 for (i
= 0; i
< mov
->nb_streams
; i
++) {
2995 if (mov
->tracks
[i
].entry
> 0 || mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
2996 mov_write_trak_tag(pb
, mov
, &(mov
->tracks
[i
]), i
< s
->nb_streams
? s
->streams
[i
] : NULL
);
2999 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
)
3000 mov_write_mvex_tag(pb
, mov
); /* QuickTime requires trak to precede this */
3002 if (mov
->mode
== MODE_PSP
)
3003 mov_write_uuidusmt_tag(pb
, s
);
3005 mov_write_udta_tag(pb
, mov
, s
);
3007 return update_size(pb
, pos
);
3010 static void param_write_int(AVIOContext
*pb
, const char *name
, int value
)
3012 avio_printf(pb
, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name
, value
);
3015 static void param_write_string(AVIOContext
*pb
, const char *name
, const char *value
)
3017 avio_printf(pb
, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name
, value
);
3020 static void param_write_hex(AVIOContext
*pb
, const char *name
, const uint8_t *value
, int len
)
3023 len
= FFMIN(sizeof(buf
) / 2 - 1, len
);
3024 ff_data_to_hex(buf
, value
, len
, 0);
3025 buf
[2 * len
] = '\0';
3026 avio_printf(pb
, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name
, buf
);
3029 static int mov_write_isml_manifest(AVIOContext
*pb
, MOVMuxContext
*mov
)
3031 int64_t pos
= avio_tell(pb
);
3033 static const uint8_t uuid
[] = {
3034 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3035 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3039 ffio_wfourcc(pb
, "uuid");
3040 avio_write(pb
, uuid
, sizeof(uuid
));
3043 avio_printf(pb
, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3044 avio_printf(pb
, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3045 avio_printf(pb
, "<head>\n");
3047 avio_printf(pb
, "<meta name=\"creator\" content=\"%s\" />\n",
3049 avio_printf(pb
, "</head>\n");
3050 avio_printf(pb
, "<body>\n");
3051 avio_printf(pb
, "<switch>\n");
3052 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3053 MOVTrack
*track
= &mov
->tracks
[i
];
3055 /* track->track_id is initialized in write_moov, and thus isn't known
3057 int track_id
= i
+ 1;
3059 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
3061 } else if (track
->enc
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
3066 avio_printf(pb
, "<%s systemBitrate=\"%d\">\n", type
,
3067 track
->enc
->bit_rate
);
3068 param_write_int(pb
, "systemBitrate", track
->enc
->bit_rate
);
3069 param_write_int(pb
, "trackID", track_id
);
3070 if (track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
3071 if (track
->enc
->codec_id
== AV_CODEC_ID_H264
) {
3073 int size
= track
->enc
->extradata_size
;
3074 if (!ff_avc_write_annexb_extradata(track
->enc
->extradata
, &ptr
,
3076 param_write_hex(pb
, "CodecPrivateData",
3077 ptr
? ptr
: track
->enc
->extradata
,
3081 param_write_string(pb
, "FourCC", "H264");
3082 } else if (track
->enc
->codec_id
== AV_CODEC_ID_VC1
) {
3083 param_write_string(pb
, "FourCC", "WVC1");
3084 param_write_hex(pb
, "CodecPrivateData", track
->enc
->extradata
,
3085 track
->enc
->extradata_size
);
3087 param_write_int(pb
, "MaxWidth", track
->enc
->width
);
3088 param_write_int(pb
, "MaxHeight", track
->enc
->height
);
3089 param_write_int(pb
, "DisplayWidth", track
->enc
->width
);
3090 param_write_int(pb
, "DisplayHeight", track
->enc
->height
);
3092 if (track
->enc
->codec_id
== AV_CODEC_ID_AAC
) {
3093 param_write_string(pb
, "FourCC", "AACL");
3094 } else if (track
->enc
->codec_id
== AV_CODEC_ID_WMAPRO
) {
3095 param_write_string(pb
, "FourCC", "WMAP");
3097 param_write_hex(pb
, "CodecPrivateData", track
->enc
->extradata
,
3098 track
->enc
->extradata_size
);
3099 param_write_int(pb
, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags
,
3100 track
->enc
->codec_id
));
3101 param_write_int(pb
, "Channels", track
->enc
->channels
);
3102 param_write_int(pb
, "SamplingRate", track
->enc
->sample_rate
);
3103 param_write_int(pb
, "BitsPerSample", 16);
3104 param_write_int(pb
, "PacketSize", track
->enc
->block_align
?
3105 track
->enc
->block_align
: 4);
3107 avio_printf(pb
, "</%s>\n", type
);
3109 avio_printf(pb
, "</switch>\n");
3110 avio_printf(pb
, "</body>\n");
3111 avio_printf(pb
, "</smil>\n");
3113 return update_size(pb
, pos
);
3116 static int mov_write_mfhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
3119 ffio_wfourcc(pb
, "mfhd");
3121 avio_wb32(pb
, mov
->fragments
);
3125 static int mov_write_tfhd_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
3126 MOVTrack
*track
, int64_t moof_offset
)
3128 int64_t pos
= avio_tell(pb
);
3129 uint32_t flags
= MOV_TFHD_DEFAULT_SIZE
| MOV_TFHD_DEFAULT_DURATION
|
3130 MOV_TFHD_BASE_DATA_OFFSET
;
3131 if (!track
->entry
) {
3132 flags
|= MOV_TFHD_DURATION_IS_EMPTY
;
3134 flags
|= MOV_TFHD_DEFAULT_FLAGS
;
3136 if (mov
->flags
& FF_MOV_FLAG_OMIT_TFHD_OFFSET
)
3137 flags
&= ~MOV_TFHD_BASE_DATA_OFFSET
;
3138 if (mov
->flags
& FF_MOV_FLAG_DEFAULT_BASE_MOOF
) {
3139 flags
&= ~MOV_TFHD_BASE_DATA_OFFSET
;
3140 flags
|= MOV_TFHD_DEFAULT_BASE_IS_MOOF
;
3143 /* Don't set a default sample size, the silverlight player refuses
3144 * to play files with that set. Don't set a default sample duration,
3145 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3146 * file format says it MUST NOT be set. */
3147 if (track
->mode
== MODE_ISM
)
3148 flags
&= ~(MOV_TFHD_DEFAULT_SIZE
| MOV_TFHD_DEFAULT_DURATION
|
3149 MOV_TFHD_BASE_DATA_OFFSET
);
3151 avio_wb32(pb
, 0); /* size placeholder */
3152 ffio_wfourcc(pb
, "tfhd");
3153 avio_w8(pb
, 0); /* version */
3154 avio_wb24(pb
, flags
);
3156 avio_wb32(pb
, track
->track_id
); /* track-id */
3157 if (flags
& MOV_TFHD_BASE_DATA_OFFSET
)
3158 avio_wb64(pb
, moof_offset
);
3159 if (flags
& MOV_TFHD_DEFAULT_DURATION
) {
3160 track
->default_duration
= get_cluster_duration(track
, 0);
3161 avio_wb32(pb
, track
->default_duration
);
3163 if (flags
& MOV_TFHD_DEFAULT_SIZE
) {
3164 track
->default_size
= track
->entry
? track
->cluster
[0].size
: 1;
3165 avio_wb32(pb
, track
->default_size
);
3167 track
->default_size
= -1;
3169 if (flags
& MOV_TFHD_DEFAULT_FLAGS
) {
3170 track
->default_sample_flags
=
3171 track
->enc
->codec_type
== AVMEDIA_TYPE_VIDEO
?
3172 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
| MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
) :
3173 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
;
3174 avio_wb32(pb
, track
->default_sample_flags
);
3177 return update_size(pb
, pos
);
3180 static uint32_t get_sample_flags(MOVTrack
*track
, MOVIentry
*entry
)
3182 return entry
->flags
& MOV_SYNC_SAMPLE
? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
:
3183 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
| MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
);
3186 static int mov_write_trun_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
3187 MOVTrack
*track
, int moof_size
)
3189 int64_t pos
= avio_tell(pb
);
3190 uint32_t flags
= MOV_TRUN_DATA_OFFSET
;
3193 for (i
= 0; i
< track
->entry
; i
++) {
3194 if (get_cluster_duration(track
, i
) != track
->default_duration
)
3195 flags
|= MOV_TRUN_SAMPLE_DURATION
;
3196 if (track
->cluster
[i
].size
!= track
->default_size
)
3197 flags
|= MOV_TRUN_SAMPLE_SIZE
;
3198 if (i
> 0 && get_sample_flags(track
, &track
->cluster
[i
]) != track
->default_sample_flags
)
3199 flags
|= MOV_TRUN_SAMPLE_FLAGS
;
3201 if (!(flags
& MOV_TRUN_SAMPLE_FLAGS
))
3202 flags
|= MOV_TRUN_FIRST_SAMPLE_FLAGS
;
3203 if (track
->flags
& MOV_TRACK_CTTS
)
3204 flags
|= MOV_TRUN_SAMPLE_CTS
;
3206 avio_wb32(pb
, 0); /* size placeholder */
3207 ffio_wfourcc(pb
, "trun");
3208 avio_w8(pb
, 0); /* version */
3209 avio_wb24(pb
, flags
);
3211 avio_wb32(pb
, track
->entry
); /* sample count */
3212 if (mov
->flags
& FF_MOV_FLAG_OMIT_TFHD_OFFSET
&&
3213 !(mov
->flags
& FF_MOV_FLAG_DEFAULT_BASE_MOOF
) &&
3215 avio_wb32(pb
, 0); /* Later tracks follow immediately after the previous one */
3217 avio_wb32(pb
, moof_size
+ 8 + track
->data_offset
+
3218 track
->cluster
[0].pos
); /* data offset */
3219 if (flags
& MOV_TRUN_FIRST_SAMPLE_FLAGS
)
3220 avio_wb32(pb
, get_sample_flags(track
, &track
->cluster
[0]));
3222 for (i
= 0; i
< track
->entry
; i
++) {
3223 if (flags
& MOV_TRUN_SAMPLE_DURATION
)
3224 avio_wb32(pb
, get_cluster_duration(track
, i
));
3225 if (flags
& MOV_TRUN_SAMPLE_SIZE
)
3226 avio_wb32(pb
, track
->cluster
[i
].size
);
3227 if (flags
& MOV_TRUN_SAMPLE_FLAGS
)
3228 avio_wb32(pb
, get_sample_flags(track
, &track
->cluster
[i
]));
3229 if (flags
& MOV_TRUN_SAMPLE_CTS
)
3230 avio_wb32(pb
, track
->cluster
[i
].cts
);
3233 mov
->first_trun
= 0;
3234 return update_size(pb
, pos
);
3237 static int mov_write_tfxd_tag(AVIOContext
*pb
, MOVTrack
*track
)
3239 int64_t pos
= avio_tell(pb
);
3240 static const uint8_t uuid
[] = {
3241 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3242 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3245 avio_wb32(pb
, 0); /* size placeholder */
3246 ffio_wfourcc(pb
, "uuid");
3247 avio_write(pb
, uuid
, sizeof(uuid
));
3250 avio_wb64(pb
, track
->frag_start
);
3251 avio_wb64(pb
, track
->start_dts
+ track
->track_duration
-
3252 track
->cluster
[0].dts
);
3254 return update_size(pb
, pos
);
3257 static int mov_write_tfrf_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
3258 MOVTrack
*track
, int entry
)
3260 int n
= track
->nb_frag_info
- 1 - entry
, i
;
3261 int size
= 8 + 16 + 4 + 1 + 16*n
;
3262 static const uint8_t uuid
[] = {
3263 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3264 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3270 avio_seek(pb
, track
->frag_info
[entry
].tfrf_offset
, SEEK_SET
);
3271 avio_wb32(pb
, size
);
3272 ffio_wfourcc(pb
, "uuid");
3273 avio_write(pb
, uuid
, sizeof(uuid
));
3277 for (i
= 0; i
< n
; i
++) {
3278 int index
= entry
+ 1 + i
;
3279 avio_wb64(pb
, track
->frag_info
[index
].time
);
3280 avio_wb64(pb
, track
->frag_info
[index
].duration
);
3282 if (n
< mov
->ism_lookahead
) {
3283 int free_size
= 16 * (mov
->ism_lookahead
- n
);
3284 avio_wb32(pb
, free_size
);
3285 ffio_wfourcc(pb
, "free");
3286 ffio_fill(pb
, 0, free_size
- 8);
3292 static int mov_write_tfrf_tags(AVIOContext
*pb
, MOVMuxContext
*mov
,
3295 int64_t pos
= avio_tell(pb
);
3297 for (i
= 0; i
< mov
->ism_lookahead
; i
++) {
3298 /* Update the tfrf tag for the last ism_lookahead fragments,
3299 * nb_frag_info - 1 is the next fragment to be written. */
3300 mov_write_tfrf_tag(pb
, mov
, track
, track
->nb_frag_info
- 2 - i
);
3302 avio_seek(pb
, pos
, SEEK_SET
);
3306 static int mov_add_tfra_entries(AVIOContext
*pb
, MOVMuxContext
*mov
, int tracks
,
3310 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3311 MOVTrack
*track
= &mov
->tracks
[i
];
3312 MOVFragmentInfo
*info
;
3313 if ((tracks
>= 0 && i
!= tracks
) || !track
->entry
)
3315 track
->nb_frag_info
++;
3316 if (track
->nb_frag_info
>= track
->frag_info_capacity
) {
3317 unsigned new_capacity
= track
->nb_frag_info
+ MOV_FRAG_INFO_ALLOC_INCREMENT
;
3318 if (av_reallocp_array(&track
->frag_info
,
3320 sizeof(*track
->frag_info
)))
3321 return AVERROR(ENOMEM
);
3322 track
->frag_info_capacity
= new_capacity
;
3324 info
= &track
->frag_info
[track
->nb_frag_info
- 1];
3325 info
->offset
= avio_tell(pb
);
3327 // Try to recreate the original pts for the first packet
3328 // from the fields we have stored
3329 info
->time
= track
->start_dts
+ track
->frag_start
+
3330 track
->cluster
[0].cts
;
3331 // If the pts is less than zero, we will have trimmed
3332 // away parts of the media track using an edit list,
3333 // and the corresponding start presentation time is zero.
3336 info
->duration
= track
->start_dts
+ track
->track_duration
-
3337 track
->cluster
[0].dts
;
3338 info
->tfrf_offset
= 0;
3339 mov_write_tfrf_tags(pb
, mov
, track
);
3344 static int mov_write_tfdt_tag(AVIOContext
*pb
, MOVTrack
*track
)
3346 int64_t pos
= avio_tell(pb
);
3348 avio_wb32(pb
, 0); /* size */
3349 ffio_wfourcc(pb
, "tfdt");
3350 avio_w8(pb
, 1); /* version */
3352 avio_wb64(pb
, track
->frag_start
);
3353 return update_size(pb
, pos
);
3356 static int mov_write_traf_tag(AVIOContext
*pb
, MOVMuxContext
*mov
,
3357 MOVTrack
*track
, int64_t moof_offset
,
3360 int64_t pos
= avio_tell(pb
);
3361 avio_wb32(pb
, 0); /* size placeholder */
3362 ffio_wfourcc(pb
, "traf");
3364 mov_write_tfhd_tag(pb
, mov
, track
, moof_offset
);
3365 if (mov
->mode
!= MODE_ISM
)
3366 mov_write_tfdt_tag(pb
, track
);
3367 mov_write_trun_tag(pb
, mov
, track
, moof_size
);
3368 if (mov
->mode
== MODE_ISM
) {
3369 mov_write_tfxd_tag(pb
, track
);
3371 if (mov
->ism_lookahead
) {
3372 int i
, size
= 16 + 4 + 1 + 16 * mov
->ism_lookahead
;
3374 if (track
->nb_frag_info
> 0) {
3375 MOVFragmentInfo
*info
= &track
->frag_info
[track
->nb_frag_info
- 1];
3376 if (!info
->tfrf_offset
)
3377 info
->tfrf_offset
= avio_tell(pb
);
3379 avio_wb32(pb
, 8 + size
);
3380 ffio_wfourcc(pb
, "free");
3381 for (i
= 0; i
< size
; i
++)
3386 return update_size(pb
, pos
);
3389 static int mov_write_moof_tag_internal(AVIOContext
*pb
, MOVMuxContext
*mov
,
3390 int tracks
, int moof_size
)
3392 int64_t pos
= avio_tell(pb
);
3395 avio_wb32(pb
, 0); /* size placeholder */
3396 ffio_wfourcc(pb
, "moof");
3397 mov
->first_trun
= 1;
3399 mov_write_mfhd_tag(pb
, mov
);
3400 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3401 MOVTrack
*track
= &mov
->tracks
[i
];
3402 if (tracks
>= 0 && i
!= tracks
)
3406 mov_write_traf_tag(pb
, mov
, track
, pos
, moof_size
);
3409 return update_size(pb
, pos
);
3412 static int mov_write_sidx_tag(AVIOContext
*pb
,
3413 MOVTrack
*track
, int ref_size
, int total_sidx_size
)
3415 int64_t pos
= avio_tell(pb
), offset_pos
, end_pos
;
3416 int64_t presentation_time
, duration
, offset
;
3417 int starts_with_SAP
, i
, entries
;
3421 presentation_time
= track
->start_dts
+ track
->frag_start
+
3422 track
->cluster
[0].cts
;
3423 duration
= track
->start_dts
+ track
->track_duration
-
3424 track
->cluster
[0].dts
;
3425 starts_with_SAP
= track
->cluster
[0].flags
& MOV_SYNC_SAMPLE
;
3427 entries
= track
->nb_frag_info
;
3428 presentation_time
= track
->frag_info
[0].time
;
3431 // pts<0 should be cut away using edts
3432 if (presentation_time
< 0)
3433 presentation_time
= 0;
3435 avio_wb32(pb
, 0); /* size */
3436 ffio_wfourcc(pb
, "sidx");
3437 avio_w8(pb
, 1); /* version */
3439 avio_wb32(pb
, track
->track_id
); /* reference_ID */
3440 avio_wb32(pb
, track
->timescale
); /* timescale */
3441 avio_wb64(pb
, presentation_time
); /* earliest_presentation_time */
3442 offset_pos
= avio_tell(pb
);
3443 avio_wb64(pb
, 0); /* first_offset (offset to referenced moof) */
3444 avio_wb16(pb
, 0); /* reserved */
3446 avio_wb16(pb
, entries
); /* reference_count */
3447 for (i
= 0; i
< entries
; i
++) {
3448 if (!track
->entry
) {
3449 if (i
> 1 && track
->frag_info
[i
].offset
!= track
->frag_info
[i
- 1].offset
+ track
->frag_info
[i
- 1].size
) {
3450 av_log(NULL
, AV_LOG_ERROR
, "Non-consecutive fragments, writing incorrect sidx\n");
3452 duration
= track
->frag_info
[i
].duration
;
3453 ref_size
= track
->frag_info
[i
].size
;
3454 starts_with_SAP
= 1;
3456 avio_wb32(pb
, (0 << 31) | (ref_size
& 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
3457 avio_wb32(pb
, duration
); /* subsegment_duration */
3458 avio_wb32(pb
, (starts_with_SAP
<< 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
3461 end_pos
= avio_tell(pb
);
3462 offset
= pos
+ total_sidx_size
- end_pos
;
3463 avio_seek(pb
, offset_pos
, SEEK_SET
);
3464 avio_wb64(pb
, offset
);
3465 avio_seek(pb
, end_pos
, SEEK_SET
);
3466 return update_size(pb
, pos
);
3469 static int mov_write_sidx_tags(AVIOContext
*pb
, MOVMuxContext
*mov
,
3470 int tracks
, int ref_size
)
3473 AVIOContext
*avio_buf
;
3475 for (round
= 0; round
< 2; round
++) {
3476 // First run one round to calculate the total size of all
3478 // This would be much simpler if we'd only write one sidx
3479 // atom, for the first track in the moof.
3481 if ((ret
= ffio_open_null_buf(&avio_buf
)) < 0)
3486 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3487 MOVTrack
*track
= &mov
->tracks
[i
];
3488 if (tracks
>= 0 && i
!= tracks
)
3490 // When writing a sidx for the full file, entry is 0, but
3491 // we want to include all tracks. ref_size is 0 in this case,
3492 // since we read it from frag_info instead.
3493 if (!track
->entry
&& ref_size
> 0)
3495 total_size
-= mov_write_sidx_tag(avio_buf
, track
, ref_size
,
3499 total_size
= ffio_close_null_buf(avio_buf
);
3504 static int mov_write_moof_tag(AVIOContext
*pb
, MOVMuxContext
*mov
, int tracks
,
3507 AVIOContext
*avio_buf
;
3510 if ((ret
= ffio_open_null_buf(&avio_buf
)) < 0)
3512 mov_write_moof_tag_internal(avio_buf
, mov
, tracks
, 0);
3513 moof_size
= ffio_close_null_buf(avio_buf
);
3515 if (mov
->flags
& FF_MOV_FLAG_DASH
&& !(mov
->flags
& FF_MOV_FLAG_FASTSTART
))
3516 mov_write_sidx_tags(pb
, mov
, tracks
, moof_size
+ 8 + mdat_size
);
3518 if ((ret
= mov_add_tfra_entries(pb
, mov
, tracks
, moof_size
+ 8 + mdat_size
)) < 0)
3521 return mov_write_moof_tag_internal(pb
, mov
, tracks
, moof_size
);
3524 static int mov_write_tfra_tag(AVIOContext
*pb
, MOVTrack
*track
)
3526 int64_t pos
= avio_tell(pb
);
3529 avio_wb32(pb
, 0); /* size placeholder */
3530 ffio_wfourcc(pb
, "tfra");
3531 avio_w8(pb
, 1); /* version */
3534 avio_wb32(pb
, track
->track_id
);
3535 avio_wb32(pb
, 0); /* length of traf/trun/sample num */
3536 avio_wb32(pb
, track
->nb_frag_info
);
3537 for (i
= 0; i
< track
->nb_frag_info
; i
++) {
3538 avio_wb64(pb
, track
->frag_info
[i
].time
);
3539 avio_wb64(pb
, track
->frag_info
[i
].offset
+ track
->data_offset
);
3540 avio_w8(pb
, 1); /* traf number */
3541 avio_w8(pb
, 1); /* trun number */
3542 avio_w8(pb
, 1); /* sample number */
3545 return update_size(pb
, pos
);
3548 static int mov_write_mfra_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
3550 int64_t pos
= avio_tell(pb
);
3553 avio_wb32(pb
, 0); /* size placeholder */
3554 ffio_wfourcc(pb
, "mfra");
3555 /* An empty mfra atom is enough to indicate to the publishing point that
3556 * the stream has ended. */
3557 if (mov
->flags
& FF_MOV_FLAG_ISML
)
3558 return update_size(pb
, pos
);
3560 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3561 MOVTrack
*track
= &mov
->tracks
[i
];
3562 if (track
->nb_frag_info
)
3563 mov_write_tfra_tag(pb
, track
);
3567 ffio_wfourcc(pb
, "mfro");
3568 avio_wb32(pb
, 0); /* version + flags */
3569 avio_wb32(pb
, avio_tell(pb
) + 4 - pos
);
3571 return update_size(pb
, pos
);
3574 static int mov_write_mdat_tag(AVIOContext
*pb
, MOVMuxContext
*mov
)
3576 avio_wb32(pb
, 8); // placeholder for extended size field (64 bit)
3577 ffio_wfourcc(pb
, mov
->mode
== MODE_MOV
? "wide" : "free");
3579 mov
->mdat_pos
= avio_tell(pb
);
3580 avio_wb32(pb
, 0); /* size placeholder*/
3581 ffio_wfourcc(pb
, "mdat");
3585 /* TODO: This needs to be more general */
3586 static int mov_write_ftyp_tag(AVIOContext
*pb
, AVFormatContext
*s
)
3588 MOVMuxContext
*mov
= s
->priv_data
;
3589 int64_t pos
= avio_tell(pb
);
3590 int has_h264
= 0, has_video
= 0;
3594 for (i
= 0; i
< s
->nb_streams
; i
++) {
3595 AVStream
*st
= s
->streams
[i
];
3596 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)
3598 if (st
->codec
->codec_id
== AV_CODEC_ID_H264
)
3602 avio_wb32(pb
, 0); /* size */
3603 ffio_wfourcc(pb
, "ftyp");
3605 if (mov
->major_brand
&& strlen(mov
->major_brand
) >= 4)
3606 ffio_wfourcc(pb
, mov
->major_brand
);
3607 else if (mov
->mode
== MODE_3GP
) {
3608 ffio_wfourcc(pb
, has_h264
? "3gp6" : "3gp4");
3609 minor
= has_h264
? 0x100 : 0x200;
3610 } else if (mov
->mode
& MODE_3G2
) {
3611 ffio_wfourcc(pb
, has_h264
? "3g2b" : "3g2a");
3612 minor
= has_h264
? 0x20000 : 0x10000;
3613 } else if (mov
->mode
== MODE_PSP
)
3614 ffio_wfourcc(pb
, "MSNV");
3615 else if (mov
->mode
== MODE_MP4
&& mov
->flags
& FF_MOV_FLAG_DEFAULT_BASE_MOOF
)
3616 ffio_wfourcc(pb
, "iso5"); // Required when using default-base-is-moof
3617 else if (mov
->mode
== MODE_MP4
)
3618 ffio_wfourcc(pb
, "isom");
3619 else if (mov
->mode
== MODE_IPOD
)
3620 ffio_wfourcc(pb
, has_video
? "M4V ":"M4A ");
3621 else if (mov
->mode
== MODE_ISM
)
3622 ffio_wfourcc(pb
, "isml");
3623 else if (mov
->mode
== MODE_F4V
)
3624 ffio_wfourcc(pb
, "f4v ");
3626 ffio_wfourcc(pb
, "qt ");
3628 avio_wb32(pb
, minor
);
3630 if (mov
->mode
== MODE_MOV
)
3631 ffio_wfourcc(pb
, "qt ");
3632 else if (mov
->mode
== MODE_ISM
) {
3633 ffio_wfourcc(pb
, "piff");
3634 } else if (!(mov
->flags
& FF_MOV_FLAG_DEFAULT_BASE_MOOF
)) {
3635 ffio_wfourcc(pb
, "isom");
3636 ffio_wfourcc(pb
, "iso2");
3638 ffio_wfourcc(pb
, "avc1");
3641 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3642 // brand. This is compatible with users that don't understand tfdt.
3643 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
&& mov
->mode
!= MODE_ISM
)
3644 ffio_wfourcc(pb
, "iso6");
3646 if (mov
->mode
== MODE_3GP
)
3647 ffio_wfourcc(pb
, has_h264
? "3gp6":"3gp4");
3648 else if (mov
->mode
& MODE_3G2
)
3649 ffio_wfourcc(pb
, has_h264
? "3g2b":"3g2a");
3650 else if (mov
->mode
== MODE_PSP
)
3651 ffio_wfourcc(pb
, "MSNV");
3652 else if (mov
->mode
== MODE_MP4
)
3653 ffio_wfourcc(pb
, "mp41");
3655 if (mov
->flags
& FF_MOV_FLAG_DASH
&& mov
->flags
& FF_MOV_FLAG_FASTSTART
)
3656 ffio_wfourcc(pb
, "dash");
3658 return update_size(pb
, pos
);
3661 static void mov_write_uuidprof_tag(AVIOContext
*pb
, AVFormatContext
*s
)
3663 AVStream
*video_st
= s
->streams
[0];
3664 AVCodecContext
*video_codec
= s
->streams
[0]->codec
;
3665 AVCodecContext
*audio_codec
= s
->streams
[1]->codec
;
3666 int audio_rate
= audio_codec
->sample_rate
;
3667 // TODO: should be avg_frame_rate
3668 int frame_rate
= ((video_st
->time_base
.den
) * (0x10000)) / (video_st
->time_base
.num
);
3669 int audio_kbitrate
= audio_codec
->bit_rate
/ 1000;
3670 int video_kbitrate
= FFMIN(video_codec
->bit_rate
/ 1000, 800 - audio_kbitrate
);
3672 avio_wb32(pb
, 0x94); /* size */
3673 ffio_wfourcc(pb
, "uuid");
3674 ffio_wfourcc(pb
, "PROF");
3676 avio_wb32(pb
, 0x21d24fce); /* 96 bit UUID */
3677 avio_wb32(pb
, 0xbb88695c);
3678 avio_wb32(pb
, 0xfac9c740);
3680 avio_wb32(pb
, 0x0); /* ? */
3681 avio_wb32(pb
, 0x3); /* 3 sections ? */
3683 avio_wb32(pb
, 0x14); /* size */
3684 ffio_wfourcc(pb
, "FPRF");
3685 avio_wb32(pb
, 0x0); /* ? */
3686 avio_wb32(pb
, 0x0); /* ? */
3687 avio_wb32(pb
, 0x0); /* ? */
3689 avio_wb32(pb
, 0x2c); /* size */
3690 ffio_wfourcc(pb
, "APRF"); /* audio */
3692 avio_wb32(pb
, 0x2); /* TrackID */
3693 ffio_wfourcc(pb
, "mp4a");
3694 avio_wb32(pb
, 0x20f);
3696 avio_wb32(pb
, audio_kbitrate
);
3697 avio_wb32(pb
, audio_kbitrate
);
3698 avio_wb32(pb
, audio_rate
);
3699 avio_wb32(pb
, audio_codec
->channels
);
3701 avio_wb32(pb
, 0x34); /* size */
3702 ffio_wfourcc(pb
, "VPRF"); /* video */
3704 avio_wb32(pb
, 0x1); /* TrackID */
3705 if (video_codec
->codec_id
== AV_CODEC_ID_H264
) {
3706 ffio_wfourcc(pb
, "avc1");
3707 avio_wb16(pb
, 0x014D);
3708 avio_wb16(pb
, 0x0015);
3710 ffio_wfourcc(pb
, "mp4v");
3711 avio_wb16(pb
, 0x0000);
3712 avio_wb16(pb
, 0x0103);
3715 avio_wb32(pb
, video_kbitrate
);
3716 avio_wb32(pb
, video_kbitrate
);
3717 avio_wb32(pb
, frame_rate
);
3718 avio_wb32(pb
, frame_rate
);
3719 avio_wb16(pb
, video_codec
->width
);
3720 avio_wb16(pb
, video_codec
->height
);
3721 avio_wb32(pb
, 0x010001); /* ? */
3724 static int mov_parse_mpeg2_frame(AVPacket
*pkt
, uint32_t *flags
)
3727 int i
, closed_gop
= 0;
3729 for (i
= 0; i
< pkt
->size
- 4; i
++) {
3730 c
= (c
<< 8) + pkt
->data
[i
];
3731 if (c
== 0x1b8) { // gop
3732 closed_gop
= pkt
->data
[i
+ 4] >> 6 & 0x01;
3733 } else if (c
== 0x100) { // pic
3734 int temp_ref
= (pkt
->data
[i
+ 1] << 2) | (pkt
->data
[i
+ 2] >> 6);
3735 if (!temp_ref
|| closed_gop
) // I picture is not reordered
3736 *flags
= MOV_SYNC_SAMPLE
;
3738 *flags
= MOV_PARTIAL_SYNC_SAMPLE
;
3745 static void mov_parse_vc1_frame(AVPacket
*pkt
, MOVTrack
*trk
, int fragment
)
3747 const uint8_t *start
, *next
, *end
= pkt
->data
+ pkt
->size
;
3748 int seq
= 0, entry
= 0;
3749 int key
= pkt
->flags
& AV_PKT_FLAG_KEY
;
3750 start
= find_next_marker(pkt
->data
, end
);
3751 for (next
= start
; next
< end
; start
= next
) {
3752 next
= find_next_marker(start
+ 4, end
);
3753 switch (AV_RB32(start
)) {
3754 case VC1_CODE_SEQHDR
:
3757 case VC1_CODE_ENTRYPOINT
:
3760 case VC1_CODE_SLICE
:
3761 trk
->vc1_info
.slices
= 1;
3765 if (!trk
->entry
&& !fragment
) {
3766 /* First packet in first fragment */
3767 trk
->vc1_info
.first_packet_seq
= seq
;
3768 trk
->vc1_info
.first_packet_entry
= entry
;
3769 } else if ((seq
&& !trk
->vc1_info
.packet_seq
) ||
3770 (entry
&& !trk
->vc1_info
.packet_entry
)) {
3772 for (i
= 0; i
< trk
->entry
; i
++)
3773 trk
->cluster
[i
].flags
&= ~MOV_SYNC_SAMPLE
;
3774 trk
->has_keyframes
= 0;
3776 trk
->vc1_info
.packet_seq
= 1;
3778 trk
->vc1_info
.packet_entry
= 1;
3780 /* First fragment */
3781 if ((!seq
|| trk
->vc1_info
.first_packet_seq
) &&
3782 (!entry
|| trk
->vc1_info
.first_packet_entry
)) {
3783 /* First packet had the same headers as this one, readd the
3784 * sync sample flag. */
3785 trk
->cluster
[0].flags
|= MOV_SYNC_SAMPLE
;
3786 trk
->has_keyframes
= 1;
3790 if (trk
->vc1_info
.packet_seq
&& trk
->vc1_info
.packet_entry
)
3792 else if (trk
->vc1_info
.packet_seq
)
3794 else if (trk
->vc1_info
.packet_entry
)
3797 trk
->cluster
[trk
->entry
].flags
|= MOV_SYNC_SAMPLE
;
3798 trk
->has_keyframes
++;
3802 static int mov_flush_fragment(AVFormatContext
*s
)
3804 MOVMuxContext
*mov
= s
->priv_data
;
3805 int i
, first_track
= -1;
3806 int64_t mdat_size
= 0;
3808 if (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
))
3811 if (!(mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
) && mov
->fragments
== 0) {
3812 int64_t pos
= avio_tell(s
->pb
);
3814 int buf_size
, moov_size
;
3816 for (i
= 0; i
< mov
->nb_streams
; i
++)
3817 if (!mov
->tracks
[i
].entry
)
3819 /* Don't write the initial moov unless all tracks have data */
3820 if (i
< mov
->nb_streams
)
3823 moov_size
= get_moov_size(s
);
3824 for (i
= 0; i
< mov
->nb_streams
; i
++)
3825 mov
->tracks
[i
].data_offset
= pos
+ moov_size
+ 8;
3827 mov_write_moov_tag(s
->pb
, mov
, s
);
3829 buf_size
= avio_close_dyn_buf(mov
->mdat_buf
, &buf
);
3830 mov
->mdat_buf
= NULL
;
3831 avio_wb32(s
->pb
, buf_size
+ 8);
3832 ffio_wfourcc(s
->pb
, "mdat");
3833 avio_write(s
->pb
, buf
, buf_size
);
3838 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3839 if (mov
->tracks
[i
].entry
)
3840 mov
->tracks
[i
].frag_start
+= mov
->tracks
[i
].start_dts
+
3841 mov
->tracks
[i
].track_duration
-
3842 mov
->tracks
[i
].cluster
[0].dts
;
3843 mov
->tracks
[i
].entry
= 0;
3849 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3850 MOVTrack
*track
= &mov
->tracks
[i
];
3851 if (mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
)
3852 track
->data_offset
= 0;
3854 track
->data_offset
= mdat_size
;
3855 if (!track
->mdat_buf
)
3857 mdat_size
+= avio_tell(track
->mdat_buf
);
3858 if (first_track
< 0)
3865 for (i
= 0; i
< mov
->nb_streams
; i
++) {
3866 MOVTrack
*track
= &mov
->tracks
[i
];
3867 int buf_size
, write_moof
= 1, moof_tracks
= -1;
3869 int64_t duration
= 0;
3872 duration
= track
->start_dts
+ track
->track_duration
-
3873 track
->cluster
[0].dts
;
3874 if (mov
->flags
& FF_MOV_FLAG_SEPARATE_MOOF
) {
3875 if (!track
->mdat_buf
)
3877 mdat_size
= avio_tell(track
->mdat_buf
);
3880 write_moof
= i
== first_track
;
3886 mov_write_moof_tag(s
->pb
, mov
, moof_tracks
, mdat_size
);
3889 avio_wb32(s
->pb
, mdat_size
+ 8);
3890 ffio_wfourcc(s
->pb
, "mdat");
3894 track
->frag_start
+= duration
;
3896 if (!track
->mdat_buf
)
3898 buf_size
= avio_close_dyn_buf(track
->mdat_buf
, &buf
);
3899 track
->mdat_buf
= NULL
;
3901 avio_write(s
->pb
, buf
, buf_size
);
3911 int ff_mov_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
3913 MOVMuxContext
*mov
= s
->priv_data
;
3914 AVIOContext
*pb
= s
->pb
;
3915 MOVTrack
*trk
= &mov
->tracks
[pkt
->stream_index
];
3916 AVCodecContext
*enc
= trk
->enc
;
3917 unsigned int samples_in_chunk
= 0;
3918 int size
= pkt
->size
, ret
= 0;
3919 uint8_t *reformatted_data
= NULL
;
3922 int64_t duration
= pkt
->dts
- trk
->cluster
[trk
->entry
- 1].dts
;
3923 if (duration
< 0 || duration
> INT_MAX
) {
3924 av_log(s
, AV_LOG_ERROR
, "Application provided duration: %"PRId64
" / timestamp: %"PRId64
" is out of range for mov/mp4 format\n",
3928 pkt
->dts
= trk
->cluster
[trk
->entry
- 1].dts
+ 1;
3929 pkt
->pts
= AV_NOPTS_VALUE
;
3931 if (pkt
->duration
< 0) {
3932 av_log(s
, AV_LOG_ERROR
, "Application provided duration: %d is invalid\n", pkt
->duration
);
3933 return AVERROR(EINVAL
);
3936 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
3938 if (mov
->fragments
> 0) {
3939 if (!trk
->mdat_buf
) {
3940 if ((ret
= avio_open_dyn_buf(&trk
->mdat_buf
)) < 0)
3945 if (!mov
->mdat_buf
) {
3946 if ((ret
= avio_open_dyn_buf(&mov
->mdat_buf
)) < 0)
3953 if (enc
->codec_id
== AV_CODEC_ID_AMR_NB
) {
3954 /* We must find out how many AMR blocks there are in one packet */
3955 static uint16_t packed_size
[16] =
3956 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3959 while (len
< size
&& samples_in_chunk
< 100) {
3960 len
+= packed_size
[(pkt
->data
[len
] >> 3) & 0x0F];
3963 if (samples_in_chunk
> 1) {
3964 av_log(s
, AV_LOG_ERROR
, "fatal error, input is not a single packet, implement a AVParser for it\n");
3967 } else if (enc
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
3968 enc
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
) {
3969 samples_in_chunk
= enc
->frame_size
;
3970 } else if (trk
->sample_size
)
3971 samples_in_chunk
= size
/ trk
->sample_size
;
3973 samples_in_chunk
= 1;
3975 /* copy extradata if it exists */
3976 if (trk
->vos_len
== 0 && enc
->extradata_size
> 0 && !TAG_IS_AVCI(trk
->tag
)) {
3977 trk
->vos_len
= enc
->extradata_size
;
3978 trk
->vos_data
= av_malloc(trk
->vos_len
);
3979 memcpy(trk
->vos_data
, enc
->extradata
, trk
->vos_len
);
3982 if (enc
->codec_id
== AV_CODEC_ID_AAC
&& pkt
->size
> 2 &&
3983 (AV_RB16(pkt
->data
) & 0xfff0) == 0xfff0) {
3984 if (!s
->streams
[pkt
->stream_index
]->nb_frames
) {
3985 av_log(s
, AV_LOG_ERROR
, "Malformed AAC bitstream detected: "
3986 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3987 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3990 av_log(s
, AV_LOG_WARNING
, "aac bitstream error\n");
3992 if (enc
->codec_id
== AV_CODEC_ID_H264
&& trk
->vos_len
> 0 && *(uint8_t *)trk
->vos_data
!= 1 && !TAG_IS_AVCI(trk
->tag
)) {
3993 /* from x264 or from bytestream h264 */
3994 /* nal reformating needed */
3995 if (trk
->hint_track
>= 0 && trk
->hint_track
< mov
->nb_streams
) {
3996 ff_avc_parse_nal_units_buf(pkt
->data
, &reformatted_data
,
3998 avio_write(pb
, reformatted_data
, size
);
4000 size
= ff_avc_parse_nal_units(pb
, pkt
->data
, pkt
->size
);
4002 } else if (enc
->codec_id
== AV_CODEC_ID_HEVC
&& trk
->vos_len
> 6 &&
4003 (AV_RB24(trk
->vos_data
) == 1 || AV_RB32(trk
->vos_data
) == 1)) {
4004 /* extradata is Annex B, assume the bitstream is too and convert it */
4005 if (trk
->hint_track
>= 0 && trk
->hint_track
< mov
->nb_streams
) {
4006 ff_hevc_annexb2mp4_buf(pkt
->data
, &reformatted_data
, &size
, 0, NULL
);
4007 avio_write(pb
, reformatted_data
, size
);
4009 size
= ff_hevc_annexb2mp4(pb
, pkt
->data
, pkt
->size
, 0, NULL
);
4011 } else if (enc
->codec_id
== AV_CODEC_ID_EAC3
) {
4012 size
= handle_eac3(mov
, pkt
, trk
);
4017 avio_write(pb
, pkt
->data
, size
);
4019 avio_write(pb
, pkt
->data
, size
);
4022 if ((enc
->codec_id
== AV_CODEC_ID_DNXHD
||
4023 enc
->codec_id
== AV_CODEC_ID_AC3
) && !trk
->vos_len
) {
4024 /* copy frame to create needed atoms */
4025 trk
->vos_len
= size
;
4026 trk
->vos_data
= av_malloc(size
);
4027 if (!trk
->vos_data
) {
4028 ret
= AVERROR(ENOMEM
);
4031 memcpy(trk
->vos_data
, pkt
->data
, size
);
4034 if (trk
->entry
>= trk
->cluster_capacity
) {
4035 unsigned new_capacity
= 2 * (trk
->entry
+ MOV_INDEX_CLUSTER_SIZE
);
4036 if (av_reallocp_array(&trk
->cluster
, new_capacity
,
4037 sizeof(*trk
->cluster
))) {
4038 ret
= AVERROR(ENOMEM
);
4041 trk
->cluster_capacity
= new_capacity
;
4044 trk
->cluster
[trk
->entry
].pos
= avio_tell(pb
) - size
;
4045 trk
->cluster
[trk
->entry
].samples_in_chunk
= samples_in_chunk
;
4046 trk
->cluster
[trk
->entry
].chunkNum
= 0;
4047 trk
->cluster
[trk
->entry
].size
= size
;
4048 trk
->cluster
[trk
->entry
].entries
= samples_in_chunk
;
4049 trk
->cluster
[trk
->entry
].dts
= pkt
->dts
;
4050 if (!trk
->entry
&& trk
->start_dts
!= AV_NOPTS_VALUE
) {
4051 if (!trk
->frag_discont
) {
4052 /* First packet of a new fragment. We already wrote the duration
4053 * of the last packet of the previous fragment based on track_duration,
4054 * which might not exactly match our dts. Therefore adjust the dts
4055 * of this packet to be what the previous packets duration implies. */
4056 trk
->cluster
[trk
->entry
].dts
= trk
->start_dts
+ trk
->track_duration
;
4058 /* New fragment, but discontinuous from previous fragments.
4059 * Pretend the duration sum of the earlier fragments is
4060 * pkt->dts - trk->start_dts. */
4061 trk
->frag_start
= pkt
->dts
- trk
->start_dts
;
4062 trk
->frag_discont
= 0;
4066 if (!trk
->entry
&& trk
->start_dts
== AV_NOPTS_VALUE
&& !mov
->use_editlist
&&
4067 s
->avoid_negative_ts
== AVFMT_AVOID_NEG_TS_MAKE_ZERO
) {
4068 /* Not using edit lists and shifting the first track to start from zero.
4069 * If the other streams start from a later timestamp, we won't be able
4070 * to signal the difference in starting time without an edit list.
4071 * Thus move the timestamp for this first sample to 0, increasing
4072 * its duration instead. */
4073 trk
->cluster
[trk
->entry
].dts
= trk
->start_dts
= 0;
4075 if (trk
->start_dts
== AV_NOPTS_VALUE
) {
4076 trk
->start_dts
= pkt
->dts
;
4077 if (trk
->frag_discont
) {
4078 /* Pretend the whole stream started at dts=0, with earlier framgents
4079 * already written, with a duration summing up to pkt->dts. */
4080 trk
->frag_start
= pkt
->dts
;
4082 trk
->frag_discont
= 0;
4083 } else if (pkt
->dts
&& mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
)
4084 av_log(s
, AV_LOG_WARNING
,
4085 "Track %d starts with a nonzero dts %"PRId64
". This "
4086 "currently isn't handled correctly in combination with "
4087 "empty_moov.\n", pkt
->stream_index
, pkt
->dts
);
4089 trk
->track_duration
= pkt
->dts
- trk
->start_dts
+ pkt
->duration
;
4090 trk
->last_sample_is_subtitle_end
= 0;
4092 if (pkt
->pts
== AV_NOPTS_VALUE
) {
4093 av_log(s
, AV_LOG_WARNING
, "pts has no value\n");
4094 pkt
->pts
= pkt
->dts
;
4096 if (pkt
->dts
!= pkt
->pts
)
4097 trk
->flags
|= MOV_TRACK_CTTS
;
4098 trk
->cluster
[trk
->entry
].cts
= pkt
->pts
- pkt
->dts
;
4099 trk
->cluster
[trk
->entry
].flags
= 0;
4100 if (enc
->codec_id
== AV_CODEC_ID_VC1
) {
4101 mov_parse_vc1_frame(pkt
, trk
, mov
->fragments
);
4102 } else if (pkt
->flags
& AV_PKT_FLAG_KEY
) {
4103 if (mov
->mode
== MODE_MOV
&& enc
->codec_id
== AV_CODEC_ID_MPEG2VIDEO
&&
4104 trk
->entry
> 0) { // force sync sample for the first key frame
4105 mov_parse_mpeg2_frame(pkt
, &trk
->cluster
[trk
->entry
].flags
);
4106 if (trk
->cluster
[trk
->entry
].flags
& MOV_PARTIAL_SYNC_SAMPLE
)
4107 trk
->flags
|= MOV_TRACK_STPS
;
4109 trk
->cluster
[trk
->entry
].flags
= MOV_SYNC_SAMPLE
;
4111 if (trk
->cluster
[trk
->entry
].flags
& MOV_SYNC_SAMPLE
)
4112 trk
->has_keyframes
++;
4115 trk
->sample_count
+= samples_in_chunk
;
4116 mov
->mdat_size
+= size
;
4118 if (trk
->hint_track
>= 0 && trk
->hint_track
< mov
->nb_streams
)
4119 ff_mov_add_hinted_packet(s
, pkt
, trk
->hint_track
, trk
->entry
,
4120 reformatted_data
, size
);
4125 av_free(reformatted_data
);
4129 static int mov_write_single_packet(AVFormatContext
*s
, AVPacket
*pkt
)
4131 MOVMuxContext
*mov
= s
->priv_data
;
4132 MOVTrack
*trk
= &mov
->tracks
[pkt
->stream_index
];
4133 AVCodecContext
*enc
= trk
->enc
;
4134 int64_t frag_duration
= 0;
4135 int size
= pkt
->size
;
4138 return 0; /* Discard 0 sized packets */
4140 if (mov
->flags
& FF_MOV_FLAG_FRAG_DISCONT
) {
4142 for (i
= 0; i
< s
->nb_streams
; i
++)
4143 mov
->tracks
[i
].frag_discont
= 1;
4144 mov
->flags
&= ~FF_MOV_FLAG_FRAG_DISCONT
;
4147 if (trk
->entry
&& pkt
->stream_index
< s
->nb_streams
)
4148 frag_duration
= av_rescale_q(pkt
->dts
- trk
->cluster
[0].dts
,
4149 s
->streams
[pkt
->stream_index
]->time_base
,
4151 if ((mov
->max_fragment_duration
&&
4152 frag_duration
>= mov
->max_fragment_duration
) ||
4153 (mov
->max_fragment_size
&& mov
->mdat_size
+ size
>= mov
->max_fragment_size
) ||
4154 (mov
->flags
& FF_MOV_FLAG_FRAG_KEYFRAME
&&
4155 enc
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
4156 trk
->entry
&& pkt
->flags
& AV_PKT_FLAG_KEY
)) {
4157 if (frag_duration
>= mov
->min_fragment_duration
)
4158 mov_flush_fragment(s
);
4161 return ff_mov_write_packet(s
, pkt
);
4164 static int mov_write_subtitle_end_packet(AVFormatContext
*s
,
4168 uint8_t data
[2] = {0};
4171 av_init_packet(&end
);
4172 end
.size
= sizeof(data
);
4177 end
.stream_index
= stream_index
;
4179 ret
= mov_write_single_packet(s
, &end
);
4180 av_free_packet(&end
);
4185 static int mov_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
4188 mov_flush_fragment(s
);
4192 MOVMuxContext
*mov
= s
->priv_data
;
4194 if (!pkt
->size
) return 0; /* Discard 0 sized packets */
4197 * Subtitles require special handling.
4199 * 1) For full complaince, every track must have a sample at
4200 * dts == 0, which is rarely true for subtitles. So, as soon
4201 * as we see any packet with dts > 0, write an empty subtitle
4202 * at dts == 0 for any subtitle track with no samples in it.
4204 * 2) For each subtitle track, check if the current packet's
4205 * dts is past the duration of the last subtitle sample. If
4206 * so, we now need to write an end sample for that subtitle.
4208 * This must be done conditionally to allow for subtitles that
4209 * immediately replace each other, in which case an end sample
4210 * is not needed, and is, in fact, actively harmful.
4212 * 3) See mov_write_trailer for how the final end sample is
4215 for (i
= 0; i
< mov
->nb_streams
; i
++) {
4216 MOVTrack
*trk
= &mov
->tracks
[i
];
4219 if (trk
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
&&
4220 trk
->track_duration
< pkt
->dts
&&
4221 (trk
->entry
== 0 || !trk
->last_sample_is_subtitle_end
)) {
4222 ret
= mov_write_subtitle_end_packet(s
, i
, trk
->track_duration
);
4223 if (ret
< 0) return ret
;
4224 trk
->last_sample_is_subtitle_end
= 1;
4228 return mov_write_single_packet(s
, pkt
);
4232 // QuickTime chapters involve an additional text track with the chapter names
4233 // as samples, and a tref pointing from the other tracks to the chapter one.
4234 static int mov_create_chapter_track(AVFormatContext
*s
, int tracknum
)
4238 MOVMuxContext
*mov
= s
->priv_data
;
4239 MOVTrack
*track
= &mov
->tracks
[tracknum
];
4240 AVPacket pkt
= { .stream_index
= tracknum
, .flags
= AV_PKT_FLAG_KEY
};
4243 track
->mode
= mov
->mode
;
4244 track
->tag
= MKTAG('t','e','x','t');
4245 track
->timescale
= MOV_TIMESCALE
;
4246 track
->enc
= avcodec_alloc_context3(NULL
);
4248 return AVERROR(ENOMEM
);
4249 track
->enc
->codec_type
= AVMEDIA_TYPE_SUBTITLE
;
4251 // These properties are required to make QT recognize the chapter track
4252 uint8_t chapter_properties
[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4253 if (ff_alloc_extradata(track
->enc
, sizeof(chapter_properties
)))
4254 return AVERROR(ENOMEM
);
4255 memcpy(track
->enc
->extradata
, chapter_properties
, sizeof(chapter_properties
));
4257 if (avio_open_dyn_buf(&pb
) >= 0) {
4261 /* Stub header (usually for Quicktime chapter track) */
4263 avio_wb32(pb
, 0x01); // displayFlags
4264 avio_w8(pb
, 0x00); // horizontal justification
4265 avio_w8(pb
, 0x00); // vertical justification
4266 avio_w8(pb
, 0x00); // bgColourRed
4267 avio_w8(pb
, 0x00); // bgColourGreen
4268 avio_w8(pb
, 0x00); // bgColourBlue
4269 avio_w8(pb
, 0x00); // bgColourAlpha
4271 avio_wb16(pb
, 0x00); // defTextBoxTop
4272 avio_wb16(pb
, 0x00); // defTextBoxLeft
4273 avio_wb16(pb
, 0x00); // defTextBoxBottom
4274 avio_wb16(pb
, 0x00); // defTextBoxRight
4276 avio_wb16(pb
, 0x00); // startChar
4277 avio_wb16(pb
, 0x00); // endChar
4278 avio_wb16(pb
, 0x01); // fontID
4279 avio_w8(pb
, 0x00); // fontStyleFlags
4280 avio_w8(pb
, 0x00); // fontSize
4281 avio_w8(pb
, 0x00); // fgColourRed
4282 avio_w8(pb
, 0x00); // fgColourGreen
4283 avio_w8(pb
, 0x00); // fgColourBlue
4284 avio_w8(pb
, 0x00); // fgColourAlpha
4286 avio_wb32(pb
, 0x0D); // box size
4287 ffio_wfourcc(pb
, "ftab"); // box atom name
4288 avio_wb16(pb
, 0x01); // entry count
4290 avio_wb16(pb
, 0x01); // font ID
4291 avio_w8(pb
, 0x00); // font name length
4293 if ((size
= avio_close_dyn_buf(pb
, &buf
)) > 0) {
4294 track
->enc
->extradata
= buf
;
4295 track
->enc
->extradata_size
= size
;
4302 for (i
= 0; i
< s
->nb_chapters
; i
++) {
4303 AVChapter
*c
= s
->chapters
[i
];
4304 AVDictionaryEntry
*t
;
4306 int64_t end
= av_rescale_q(c
->end
, c
->time_base
, (AVRational
){1,MOV_TIMESCALE
});
4307 pkt
.pts
= pkt
.dts
= av_rescale_q(c
->start
, c
->time_base
, (AVRational
){1,MOV_TIMESCALE
});
4308 pkt
.duration
= end
- pkt
.dts
;
4310 if ((t
= av_dict_get(c
->metadata
, "title", NULL
, 0))) {
4311 const char encd
[12] = {
4312 0x00, 0x00, 0x00, 0x0C,
4314 0x00, 0x00, 0x01, 0x00 };
4315 len
= strlen(t
->value
);
4316 pkt
.size
= len
+ 2 + 12;
4317 pkt
.data
= av_malloc(pkt
.size
);
4319 return AVERROR(ENOMEM
);
4320 AV_WB16(pkt
.data
, len
);
4321 memcpy(pkt
.data
+ 2, t
->value
, len
);
4322 memcpy(pkt
.data
+ len
+ 2, encd
, sizeof(encd
));
4323 ff_mov_write_packet(s
, &pkt
);
4324 av_freep(&pkt
.data
);
4331 static int mov_create_timecode_track(AVFormatContext
*s
, int index
, int src_index
, const char *tcstr
)
4334 MOVMuxContext
*mov
= s
->priv_data
;
4335 MOVTrack
*track
= &mov
->tracks
[index
];
4336 AVStream
*src_st
= s
->streams
[src_index
];
4338 AVPacket pkt
= {.stream_index
= index
, .flags
= AV_PKT_FLAG_KEY
, .size
= 4};
4339 AVRational rate
= find_fps(s
, src_st
);
4341 /* compute the frame number */
4342 ret
= av_timecode_init_from_string(&tc
, rate
, tcstr
, s
);
4346 /* tmcd track based on video stream */
4347 track
->mode
= mov
->mode
;
4348 track
->tag
= MKTAG('t','m','c','d');
4349 track
->src_track
= src_index
;
4350 track
->timescale
= mov
->tracks
[src_index
].timescale
;
4351 if (tc
.flags
& AV_TIMECODE_FLAG_DROPFRAME
)
4352 track
->timecode_flags
|= MOV_TIMECODE_FLAG_DROPFRAME
;
4354 /* set st to src_st for metadata access*/
4357 /* encode context: tmcd data stream */
4358 track
->enc
= avcodec_alloc_context3(NULL
);
4359 track
->enc
->codec_type
= AVMEDIA_TYPE_DATA
;
4360 track
->enc
->codec_tag
= track
->tag
;
4361 track
->enc
->time_base
= av_inv_q(rate
);
4363 /* the tmcd track just contains one packet with the frame number */
4364 pkt
.data
= av_malloc(pkt
.size
);
4365 AV_WB32(pkt
.data
, tc
.start
);
4366 ret
= ff_mov_write_packet(s
, &pkt
);
4372 * st->disposition controls the "enabled" flag in the tkhd tag.
4373 * QuickTime will not play a track if it is not enabled. So make sure
4374 * that one track of each type (audio, video, subtitle) is enabled.
4376 * Subtitles are special. For audio and video, setting "enabled" also
4377 * makes the track "default" (i.e. it is rendered when played). For
4378 * subtitles, an "enabled" subtitle is not rendered by default, but
4379 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4382 static void enable_tracks(AVFormatContext
*s
)
4384 MOVMuxContext
*mov
= s
->priv_data
;
4386 int enabled
[AVMEDIA_TYPE_NB
];
4387 int first
[AVMEDIA_TYPE_NB
];
4389 for (i
= 0; i
< AVMEDIA_TYPE_NB
; i
++) {
4394 for (i
= 0; i
< s
->nb_streams
; i
++) {
4395 AVStream
*st
= s
->streams
[i
];
4397 if (st
->codec
->codec_type
<= AVMEDIA_TYPE_UNKNOWN
||
4398 st
->codec
->codec_type
>= AVMEDIA_TYPE_NB
)
4401 if (first
[st
->codec
->codec_type
] < 0)
4402 first
[st
->codec
->codec_type
] = i
;
4403 if (st
->disposition
& AV_DISPOSITION_DEFAULT
) {
4404 mov
->tracks
[i
].flags
|= MOV_TRACK_ENABLED
;
4405 enabled
[st
->codec
->codec_type
]++;
4409 for (i
= 0; i
< AVMEDIA_TYPE_NB
; i
++) {
4411 case AVMEDIA_TYPE_VIDEO
:
4412 case AVMEDIA_TYPE_AUDIO
:
4413 case AVMEDIA_TYPE_SUBTITLE
:
4415 mov
->per_stream_grouping
= 1;
4416 if (!enabled
[i
] && first
[i
] >= 0)
4417 mov
->tracks
[first
[i
]].flags
|= MOV_TRACK_ENABLED
;
4423 static void mov_free(AVFormatContext
*s
)
4425 MOVMuxContext
*mov
= s
->priv_data
;
4428 if (mov
->chapter_track
) {
4429 if (mov
->tracks
[mov
->chapter_track
].enc
)
4430 av_freep(&mov
->tracks
[mov
->chapter_track
].enc
->extradata
);
4431 av_freep(&mov
->tracks
[mov
->chapter_track
].enc
);
4434 for (i
= 0; i
< mov
->nb_streams
; i
++) {
4435 if (mov
->tracks
[i
].tag
== MKTAG('r','t','p',' '))
4436 ff_mov_close_hinting(&mov
->tracks
[i
]);
4437 else if (mov
->tracks
[i
].tag
== MKTAG('t','m','c','d') && mov
->nb_meta_tmcd
)
4438 av_freep(&mov
->tracks
[i
].enc
);
4439 av_freep(&mov
->tracks
[i
].cluster
);
4440 av_freep(&mov
->tracks
[i
].frag_info
);
4442 if (mov
->tracks
[i
].vos_len
)
4443 av_freep(&mov
->tracks
[i
].vos_data
);
4446 av_freep(&mov
->tracks
);
4449 static uint32_t rgb_to_yuv(uint32_t rgb
)
4454 r
= (rgb
>> 16) & 0xFF;
4455 g
= (rgb
>> 8) & 0xFF;
4458 y
= av_clip_uint8( 16. + 0.257 * r
+ 0.504 * g
+ 0.098 * b
);
4459 cb
= av_clip_uint8(128. - 0.148 * r
- 0.291 * g
+ 0.439 * b
);
4460 cr
= av_clip_uint8(128. + 0.439 * r
- 0.368 * g
- 0.071 * b
);
4462 return (y
<< 16) | (cr
<< 8) | cb
;
4465 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack
*track
,
4468 int i
, width
= 720, height
= 480;
4469 int have_palette
= 0, have_size
= 0;
4470 uint32_t palette
[16];
4471 char *cur
= st
->codec
->extradata
;
4473 while (cur
&& *cur
) {
4474 if (strncmp("palette:", cur
, 8) == 0) {
4476 count
= sscanf(cur
+ 8,
4477 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
", "
4478 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
", "
4479 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
", "
4480 "%06"PRIx32
", %06"PRIx32
", %06"PRIx32
", %06"PRIx32
"",
4481 &palette
[ 0], &palette
[ 1], &palette
[ 2], &palette
[ 3],
4482 &palette
[ 4], &palette
[ 5], &palette
[ 6], &palette
[ 7],
4483 &palette
[ 8], &palette
[ 9], &palette
[10], &palette
[11],
4484 &palette
[12], &palette
[13], &palette
[14], &palette
[15]);
4486 for (i
= 0; i
< count
; i
++) {
4487 palette
[i
] = rgb_to_yuv(palette
[i
]);
4490 } else if (!strncmp("size:", cur
, 5)) {
4491 sscanf(cur
+ 5, "%dx%d", &width
, &height
);
4494 if (have_palette
&& have_size
)
4496 cur
+= strcspn(cur
, "\n\r");
4497 cur
+= strspn(cur
, "\n\r");
4500 track
->vos_data
= av_malloc(16*4);
4501 if (!track
->vos_data
)
4502 return AVERROR(ENOMEM
);
4503 for (i
= 0; i
< 16; i
++) {
4504 AV_WB32(track
->vos_data
+ i
* 4, palette
[i
]);
4506 track
->vos_len
= 16 * 4;
4508 st
->codec
->width
= width
;
4509 st
->codec
->height
= track
->height
= height
;
4514 static int mov_write_header(AVFormatContext
*s
)
4516 AVIOContext
*pb
= s
->pb
;
4517 MOVMuxContext
*mov
= s
->priv_data
;
4518 AVDictionaryEntry
*t
, *global_tcr
= av_dict_get(s
->metadata
, "timecode", NULL
, 0);
4519 int i
, ret
, hint_track
= 0, tmcd_track
= 0;
4523 /* Default mode == MP4 */
4524 mov
->mode
= MODE_MP4
;
4527 if (!strcmp("3gp", s
->oformat
->name
)) mov
->mode
= MODE_3GP
;
4528 else if (!strcmp("3g2", s
->oformat
->name
)) mov
->mode
= MODE_3GP
|MODE_3G2
;
4529 else if (!strcmp("mov", s
->oformat
->name
)) mov
->mode
= MODE_MOV
;
4530 else if (!strcmp("psp", s
->oformat
->name
)) mov
->mode
= MODE_PSP
;
4531 else if (!strcmp("ipod",s
->oformat
->name
)) mov
->mode
= MODE_IPOD
;
4532 else if (!strcmp("ismv",s
->oformat
->name
)) mov
->mode
= MODE_ISM
;
4533 else if (!strcmp("f4v", s
->oformat
->name
)) mov
->mode
= MODE_F4V
;
4536 if (s
->flags
& AVFMT_FLAG_BITEXACT
)
4539 /* Set the FRAGMENT flag if any of the fragmentation methods are
4541 if (mov
->max_fragment_duration
|| mov
->max_fragment_size
||
4542 mov
->flags
& (FF_MOV_FLAG_EMPTY_MOOV
|
4543 FF_MOV_FLAG_FRAG_KEYFRAME
|
4544 FF_MOV_FLAG_FRAG_CUSTOM
))
4545 mov
->flags
|= FF_MOV_FLAG_FRAGMENT
;
4547 /* Set other implicit flags immediately */
4548 if (mov
->mode
== MODE_ISM
)
4549 mov
->flags
|= FF_MOV_FLAG_EMPTY_MOOV
| FF_MOV_FLAG_SEPARATE_MOOF
|
4550 FF_MOV_FLAG_FRAGMENT
;
4551 if (mov
->flags
& FF_MOV_FLAG_DASH
)
4552 mov
->flags
|= FF_MOV_FLAG_FRAGMENT
| FF_MOV_FLAG_EMPTY_MOOV
|
4553 FF_MOV_FLAG_DEFAULT_BASE_MOOF
;
4555 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
) {
4556 mov
->reserved_moov_size
= -1;
4559 if (mov
->use_editlist
< 0) {
4560 mov
->use_editlist
= 1;
4561 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
4562 // If we can avoid needing an edit list by shifting the
4563 // tracks, prefer that over (trying to) write edit lists
4564 // in fragmented output.
4565 if (s
->avoid_negative_ts
== AVFMT_AVOID_NEG_TS_AUTO
||
4566 s
->avoid_negative_ts
== AVFMT_AVOID_NEG_TS_MAKE_ZERO
)
4567 mov
->use_editlist
= 0;
4570 if (mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
&& mov
->use_editlist
)
4571 av_log(s
, AV_LOG_WARNING
, "No meaningful edit list will be written when using empty_moov\n");
4573 if (!mov
->use_editlist
&& s
->avoid_negative_ts
== AVFMT_AVOID_NEG_TS_AUTO
)
4574 s
->avoid_negative_ts
= AVFMT_AVOID_NEG_TS_MAKE_ZERO
;
4576 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4577 * is enabled, we don't support non-seekable output at all. */
4578 if (!s
->pb
->seekable
&&
4579 (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
) || mov
->ism_lookahead
)) {
4580 av_log(s
, AV_LOG_ERROR
, "muxer does not support non seekable output\n");
4581 return AVERROR(EINVAL
);
4584 mov_write_ftyp_tag(pb
,s
);
4585 if (mov
->mode
== MODE_PSP
) {
4586 int video_streams_nb
= 0, audio_streams_nb
= 0, other_streams_nb
= 0;
4587 for (i
= 0; i
< s
->nb_streams
; i
++) {
4588 AVStream
*st
= s
->streams
[i
];
4589 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
)
4591 else if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
)
4597 if (video_streams_nb
!= 1 || audio_streams_nb
!= 1 || other_streams_nb
) {
4598 av_log(s
, AV_LOG_ERROR
, "PSP mode need one video and one audio stream\n");
4599 return AVERROR(EINVAL
);
4601 mov_write_uuidprof_tag(pb
, s
);
4604 mov
->nb_streams
= s
->nb_streams
;
4605 if (mov
->mode
& (MODE_MP4
|MODE_MOV
|MODE_IPOD
) && s
->nb_chapters
)
4606 mov
->chapter_track
= mov
->nb_streams
++;
4608 if (mov
->flags
& FF_MOV_FLAG_RTP_HINT
) {
4609 /* Add hint tracks for each audio and video stream */
4610 hint_track
= mov
->nb_streams
;
4611 for (i
= 0; i
< s
->nb_streams
; i
++) {
4612 AVStream
*st
= s
->streams
[i
];
4613 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
||
4614 st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
4620 if (mov
->mode
== MODE_MOV
) {
4621 tmcd_track
= mov
->nb_streams
;
4623 /* +1 tmcd track for each video stream with a timecode */
4624 for (i
= 0; i
< s
->nb_streams
; i
++) {
4625 AVStream
*st
= s
->streams
[i
];
4626 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
&&
4627 (global_tcr
|| av_dict_get(st
->metadata
, "timecode", NULL
, 0)))
4628 mov
->nb_meta_tmcd
++;
4631 /* check if there is already a tmcd track to remux */
4632 if (mov
->nb_meta_tmcd
) {
4633 for (i
= 0; i
< s
->nb_streams
; i
++) {
4634 AVStream
*st
= s
->streams
[i
];
4635 if (st
->codec
->codec_tag
== MKTAG('t','m','c','d')) {
4636 av_log(s
, AV_LOG_WARNING
, "You requested a copy of the original timecode track "
4637 "so timecode metadata are now ignored\n");
4638 mov
->nb_meta_tmcd
= 0;
4643 mov
->nb_streams
+= mov
->nb_meta_tmcd
;
4646 // Reserve an extra stream for chapters for the case where chapters
4647 // are written in the trailer
4648 mov
->tracks
= av_mallocz_array((mov
->nb_streams
+ 1), sizeof(*mov
->tracks
));
4650 return AVERROR(ENOMEM
);
4652 for (i
= 0; i
< s
->nb_streams
; i
++) {
4653 AVStream
*st
= s
->streams
[i
];
4654 MOVTrack
*track
= &mov
->tracks
[i
];
4655 AVDictionaryEntry
*lang
= av_dict_get(st
->metadata
, "language", NULL
,0);
4658 track
->enc
= st
->codec
;
4659 track
->language
= ff_mov_iso639_to_lang(lang
?lang
->value
:"und", mov
->mode
!=MODE_MOV
);
4660 if (track
->language
< 0)
4661 track
->language
= 0;
4662 track
->mode
= mov
->mode
;
4663 track
->tag
= mov_find_codec_tag(s
, track
);
4665 av_log(s
, AV_LOG_ERROR
, "Could not find tag for codec %s in stream #%d, "
4666 "codec not currently supported in container\n",
4667 avcodec_get_name(st
->codec
->codec_id
), i
);
4668 ret
= AVERROR(EINVAL
);
4671 /* If hinting of this track is enabled by a later hint track,
4672 * this is updated. */
4673 track
->hint_track
= -1;
4674 track
->start_dts
= AV_NOPTS_VALUE
;
4675 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
4676 if (track
->tag
== MKTAG('m','x','3','p') || track
->tag
== MKTAG('m','x','3','n') ||
4677 track
->tag
== MKTAG('m','x','4','p') || track
->tag
== MKTAG('m','x','4','n') ||
4678 track
->tag
== MKTAG('m','x','5','p') || track
->tag
== MKTAG('m','x','5','n')) {
4679 if (st
->codec
->width
!= 720 || (st
->codec
->height
!= 608 && st
->codec
->height
!= 512)) {
4680 av_log(s
, AV_LOG_ERROR
, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4681 ret
= AVERROR(EINVAL
);
4684 track
->height
= track
->tag
>> 24 == 'n' ? 486 : 576;
4686 if (mov
->video_track_timescale
) {
4687 track
->timescale
= mov
->video_track_timescale
;
4689 track
->timescale
= st
->time_base
.den
;
4690 while(track
->timescale
< 10000)
4691 track
->timescale
*= 2;
4693 if (st
->codec
->width
> 65535 || st
->codec
->height
> 65535) {
4694 av_log(s
, AV_LOG_ERROR
, "Resolution %dx%d too large for mov/mp4\n", st
->codec
->width
, st
->codec
->height
);
4695 ret
= AVERROR(EINVAL
);
4698 if (track
->mode
== MODE_MOV
&& track
->timescale
> 100000)
4699 av_log(s
, AV_LOG_WARNING
,
4700 "WARNING codec timebase is very high. If duration is too long,\n"
4701 "file may not be playable by quicktime. Specify a shorter timebase\n"
4702 "or choose different container.\n");
4703 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
4704 track
->timescale
= st
->codec
->sample_rate
;
4705 if (!st
->codec
->frame_size
&& !av_get_bits_per_sample(st
->codec
->codec_id
)) {
4706 av_log(s
, AV_LOG_WARNING
, "track %d: codec frame size is not set\n", i
);
4707 track
->audio_vbr
= 1;
4708 }else if (st
->codec
->codec_id
== AV_CODEC_ID_ADPCM_MS
||
4709 st
->codec
->codec_id
== AV_CODEC_ID_ADPCM_IMA_WAV
||
4710 st
->codec
->codec_id
== AV_CODEC_ID_ILBC
){
4711 if (!st
->codec
->block_align
) {
4712 av_log(s
, AV_LOG_ERROR
, "track %d: codec block align is not set for adpcm\n", i
);
4713 ret
= AVERROR(EINVAL
);
4716 track
->sample_size
= st
->codec
->block_align
;
4717 }else if (st
->codec
->frame_size
> 1){ /* assume compressed audio */
4718 track
->audio_vbr
= 1;
4720 track
->sample_size
= (av_get_bits_per_sample(st
->codec
->codec_id
) >> 3) * st
->codec
->channels
;
4722 if (st
->codec
->codec_id
== AV_CODEC_ID_ILBC
||
4723 st
->codec
->codec_id
== AV_CODEC_ID_ADPCM_IMA_QT
) {
4724 track
->audio_vbr
= 1;
4726 if (track
->mode
!= MODE_MOV
&&
4727 track
->enc
->codec_id
== AV_CODEC_ID_MP3
&& track
->timescale
< 16000) {
4728 av_log(s
, AV_LOG_ERROR
, "track %d: muxing mp3 at %dhz is not supported\n",
4729 i
, track
->enc
->sample_rate
);
4730 ret
= AVERROR(EINVAL
);
4733 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_SUBTITLE
) {
4734 track
->timescale
= st
->time_base
.den
;
4735 } else if (st
->codec
->codec_type
== AVMEDIA_TYPE_DATA
) {
4736 track
->timescale
= st
->time_base
.den
;
4738 track
->timescale
= MOV_TIMESCALE
;
4741 track
->height
= st
->codec
->height
;
4742 /* The ism specific timescale isn't mandatory, but is assumed by
4743 * some tools, such as mp4split. */
4744 if (mov
->mode
== MODE_ISM
)
4745 track
->timescale
= 10000000;
4747 avpriv_set_pts_info(st
, 64, 1, track
->timescale
);
4749 /* copy extradata if it exists */
4750 if (st
->codec
->extradata_size
) {
4751 if (st
->codec
->codec_id
== AV_CODEC_ID_DVD_SUBTITLE
)
4752 mov_create_dvd_sub_decoder_specific_info(track
, st
);
4753 else if (!TAG_IS_AVCI(track
->tag
)){
4754 track
->vos_len
= st
->codec
->extradata_size
;
4755 track
->vos_data
= av_malloc(track
->vos_len
);
4756 memcpy(track
->vos_data
, st
->codec
->extradata
, track
->vos_len
);
4761 for (i
= 0; i
< s
->nb_streams
; i
++) {
4763 AVStream
*st
= s
->streams
[i
];
4764 MOVTrack
*track
= &mov
->tracks
[i
];
4766 if (st
->codec
->codec_type
!= AVMEDIA_TYPE_AUDIO
||
4767 track
->enc
->channel_layout
!= AV_CH_LAYOUT_MONO
)
4770 for (j
= 0; j
< s
->nb_streams
; j
++) {
4771 AVStream
*stj
= s
->streams
[j
];
4772 MOVTrack
*trackj
= &mov
->tracks
[j
];
4776 if (stj
->codec
->codec_type
!= AVMEDIA_TYPE_AUDIO
||
4777 trackj
->enc
->channel_layout
!= AV_CH_LAYOUT_MONO
||
4778 trackj
->language
!= track
->language
||
4779 trackj
->tag
!= track
->tag
4782 track
->multichannel_as_mono
++;
4789 if (mov
->reserved_moov_size
){
4790 mov
->reserved_moov_pos
= avio_tell(pb
);
4791 if (mov
->reserved_moov_size
> 0)
4792 avio_skip(pb
, mov
->reserved_moov_size
);
4795 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
) {
4796 /* If no fragmentation options have been set, set a default. */
4797 if (!(mov
->flags
& (FF_MOV_FLAG_FRAG_KEYFRAME
|
4798 FF_MOV_FLAG_FRAG_CUSTOM
)) &&
4799 !mov
->max_fragment_duration
&& !mov
->max_fragment_size
)
4800 mov
->flags
|= FF_MOV_FLAG_FRAG_KEYFRAME
;
4802 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
)
4803 mov
->reserved_moov_pos
= avio_tell(pb
);
4804 mov_write_mdat_tag(pb
, mov
);
4807 if (t
= av_dict_get(s
->metadata
, "creation_time", NULL
, 0))
4808 mov
->time
= ff_iso8601_to_unix_time(t
->value
);
4810 mov
->time
+= 0x7C25B080; // 1970 based -> 1904 based
4812 if (mov
->chapter_track
)
4813 if ((ret
= mov_create_chapter_track(s
, mov
->chapter_track
)) < 0)
4816 if (mov
->flags
& FF_MOV_FLAG_RTP_HINT
) {
4817 /* Initialize the hint tracks for each audio and video stream */
4818 for (i
= 0; i
< s
->nb_streams
; i
++) {
4819 AVStream
*st
= s
->streams
[i
];
4820 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
||
4821 st
->codec
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
4822 if ((ret
= ff_mov_init_hinting(s
, hint_track
, i
)) < 0)
4829 if (mov
->nb_meta_tmcd
) {
4830 /* Initialize the tmcd tracks */
4831 for (i
= 0; i
< s
->nb_streams
; i
++) {
4832 AVStream
*st
= s
->streams
[i
];
4835 if (st
->codec
->codec_type
== AVMEDIA_TYPE_VIDEO
) {
4837 t
= av_dict_get(st
->metadata
, "timecode", NULL
, 0);
4840 if ((ret
= mov_create_timecode_track(s
, tmcd_track
, i
, t
->value
)) < 0)
4849 if (mov
->flags
& FF_MOV_FLAG_ISML
)
4850 mov_write_isml_manifest(pb
, mov
);
4852 if (mov
->flags
& FF_MOV_FLAG_EMPTY_MOOV
) {
4853 mov_write_moov_tag(pb
, mov
, s
);
4855 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
)
4856 mov
->reserved_moov_pos
= avio_tell(pb
);
4865 static int get_moov_size(AVFormatContext
*s
)
4868 AVIOContext
*moov_buf
;
4869 MOVMuxContext
*mov
= s
->priv_data
;
4871 if ((ret
= ffio_open_null_buf(&moov_buf
)) < 0)
4873 mov_write_moov_tag(moov_buf
, mov
, s
);
4874 return ffio_close_null_buf(moov_buf
);
4877 static int get_sidx_size(AVFormatContext
*s
)
4881 MOVMuxContext
*mov
= s
->priv_data
;
4883 if ((ret
= ffio_open_null_buf(&buf
)) < 0)
4885 mov_write_sidx_tags(buf
, mov
, -1, 0);
4886 return ffio_close_null_buf(buf
);
4890 * This function gets the moov size if moved to the top of the file: the chunk
4891 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4892 * entries) when the moov is moved to the beginning, so the size of the moov
4893 * would change. It also updates the chunk offset tables.
4895 static int compute_moov_size(AVFormatContext
*s
)
4897 int i
, moov_size
, moov_size2
;
4898 MOVMuxContext
*mov
= s
->priv_data
;
4900 moov_size
= get_moov_size(s
);
4904 for (i
= 0; i
< mov
->nb_streams
; i
++)
4905 mov
->tracks
[i
].data_offset
+= moov_size
;
4907 moov_size2
= get_moov_size(s
);
4911 /* if the size changed, we just switched from stco to co64 and need to
4912 * update the offsets */
4913 if (moov_size2
!= moov_size
)
4914 for (i
= 0; i
< mov
->nb_streams
; i
++)
4915 mov
->tracks
[i
].data_offset
+= moov_size2
- moov_size
;
4920 static int compute_sidx_size(AVFormatContext
*s
)
4923 MOVMuxContext
*mov
= s
->priv_data
;
4925 sidx_size
= get_sidx_size(s
);
4929 for (i
= 0; i
< mov
->nb_streams
; i
++)
4930 mov
->tracks
[i
].data_offset
+= sidx_size
;
4935 static int shift_data(AVFormatContext
*s
)
4937 int ret
= 0, moov_size
;
4938 MOVMuxContext
*mov
= s
->priv_data
;
4939 int64_t pos
, pos_end
= avio_tell(s
->pb
);
4940 uint8_t *buf
, *read_buf
[2];
4941 int read_buf_id
= 0;
4943 AVIOContext
*read_pb
;
4945 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
)
4946 moov_size
= compute_sidx_size(s
);
4948 moov_size
= compute_moov_size(s
);
4952 buf
= av_malloc(moov_size
* 2);
4954 return AVERROR(ENOMEM
);
4956 read_buf
[1] = buf
+ moov_size
;
4958 /* Shift the data: the AVIO context of the output can only be used for
4959 * writing, so we re-open the same output, but for reading. It also avoids
4960 * a read/seek/write/seek back and forth. */
4962 ret
= avio_open(&read_pb
, s
->filename
, AVIO_FLAG_READ
);
4964 av_log(s
, AV_LOG_ERROR
, "Unable to re-open %s output file for "
4965 "the second pass (faststart)\n", s
->filename
);
4969 /* mark the end of the shift to up to the last data we wrote, and get ready
4971 pos_end
= avio_tell(s
->pb
);
4972 avio_seek(s
->pb
, mov
->reserved_moov_pos
+ moov_size
, SEEK_SET
);
4974 /* start reading at where the new moov will be placed */
4975 avio_seek(read_pb
, mov
->reserved_moov_pos
, SEEK_SET
);
4976 pos
= avio_tell(read_pb
);
4978 #define READ_BLOCK do { \
4979 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4983 /* shift data by chunk of at most moov_size */
4988 n
= read_size
[read_buf_id
];
4991 avio_write(s
->pb
, read_buf
[read_buf_id
], n
);
4993 } while (pos
< pos_end
);
4994 avio_close(read_pb
);
5001 static int mov_write_trailer(AVFormatContext
*s
)
5003 MOVMuxContext
*mov
= s
->priv_data
;
5004 AVIOContext
*pb
= s
->pb
;
5010 * Before actually writing the trailer, make sure that there are no
5011 * dangling subtitles, that need a terminating sample.
5013 for (i
= 0; i
< mov
->nb_streams
; i
++) {
5014 MOVTrack
*trk
= &mov
->tracks
[i
];
5015 if (trk
->enc
->codec_id
== AV_CODEC_ID_MOV_TEXT
&&
5016 !trk
->last_sample_is_subtitle_end
) {
5017 mov_write_subtitle_end_packet(s
, i
, trk
->track_duration
);
5018 trk
->last_sample_is_subtitle_end
= 1;
5022 // If there were no chapters when the header was written, but there
5023 // are chapters now, write them in the trailer. This only works
5024 // when we are not doing fragments.
5025 if (!mov
->chapter_track
&& !(mov
->flags
& FF_MOV_FLAG_FRAGMENT
)) {
5026 if (mov
->mode
& (MODE_MP4
|MODE_MOV
|MODE_IPOD
) && s
->nb_chapters
) {
5027 mov
->chapter_track
= mov
->nb_streams
++;
5028 if ((res
= mov_create_chapter_track(s
, mov
->chapter_track
)) < 0)
5033 if (!(mov
->flags
& FF_MOV_FLAG_FRAGMENT
)) {
5034 moov_pos
= avio_tell(pb
);
5036 /* Write size of mdat tag */
5037 if (mov
->mdat_size
+ 8 <= UINT32_MAX
) {
5038 avio_seek(pb
, mov
->mdat_pos
, SEEK_SET
);
5039 avio_wb32(pb
, mov
->mdat_size
+ 8);
5041 /* overwrite 'wide' placeholder atom */
5042 avio_seek(pb
, mov
->mdat_pos
- 8, SEEK_SET
);
5043 /* special value: real atom size will be 64 bit value after
5046 ffio_wfourcc(pb
, "mdat");
5047 avio_wb64(pb
, mov
->mdat_size
+ 16);
5049 avio_seek(pb
, mov
->reserved_moov_size
> 0 ? mov
->reserved_moov_pos
: moov_pos
, SEEK_SET
);
5051 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
) {
5052 av_log(s
, AV_LOG_INFO
, "Starting second pass: moving the moov atom to the beginning of the file\n");
5053 res
= shift_data(s
);
5055 avio_seek(pb
, mov
->reserved_moov_pos
, SEEK_SET
);
5056 mov_write_moov_tag(pb
, mov
, s
);
5058 } else if (mov
->reserved_moov_size
> 0) {
5060 mov_write_moov_tag(pb
, mov
, s
);
5061 size
= mov
->reserved_moov_size
- (avio_tell(pb
) - mov
->reserved_moov_pos
);
5063 av_log(s
, AV_LOG_ERROR
, "reserved_moov_size is too small, needed %"PRId64
" additional\n", 8-size
);
5066 avio_wb32(pb
, size
);
5067 ffio_wfourcc(pb
, "free");
5068 ffio_fill(pb
, 0, size
- 8);
5069 avio_seek(pb
, moov_pos
, SEEK_SET
);
5071 mov_write_moov_tag(pb
, mov
, s
);
5074 mov_flush_fragment(s
);
5075 for (i
= 0; i
< mov
->nb_streams
; i
++)
5076 mov
->tracks
[i
].data_offset
= 0;
5077 if (mov
->flags
& FF_MOV_FLAG_FASTSTART
) {
5078 av_log(s
, AV_LOG_INFO
, "Starting second pass: inserting sidx atoms\n");
5079 res
= shift_data(s
);
5081 int64_t end
= avio_tell(pb
);
5082 avio_seek(pb
, mov
->reserved_moov_pos
, SEEK_SET
);
5083 mov_write_sidx_tags(pb
, mov
, -1, 0);
5084 avio_seek(pb
, end
, SEEK_SET
);
5085 mov_write_mfra_tag(pb
, mov
);
5088 mov_write_mfra_tag(pb
, mov
);
5092 for (i
= 0; i
< mov
->nb_streams
; i
++) {
5093 if (mov
->flags
& FF_MOV_FLAG_FRAGMENT
&&
5094 mov
->tracks
[i
].vc1_info
.struct_offset
&& s
->pb
->seekable
) {
5095 int64_t off
= avio_tell(pb
);
5097 if (mov_write_dvc1_structs(&mov
->tracks
[i
], buf
) >= 0) {
5098 avio_seek(pb
, mov
->tracks
[i
].vc1_info
.struct_offset
, SEEK_SET
);
5099 avio_write(pb
, buf
, 7);
5100 avio_seek(pb
, off
, SEEK_SET
);
5111 #if CONFIG_MOV_MUXER
5113 AVOutputFormat ff_mov_muxer
= {
5115 .long_name
= NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
5116 .extensions
= "mov",
5117 .priv_data_size
= sizeof(MOVMuxContext
),
5118 .audio_codec
= AV_CODEC_ID_AAC
,
5119 .video_codec
= CONFIG_LIBX264_ENCODER
?
5120 AV_CODEC_ID_H264
: AV_CODEC_ID_MPEG4
,
5121 .write_header
= mov_write_header
,
5122 .write_packet
= mov_write_packet
,
5123 .write_trailer
= mov_write_trailer
,
5124 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5125 .codec_tag
= (const AVCodecTag
* const []){
5126 ff_codec_movvideo_tags
, ff_codec_movaudio_tags
, 0
5128 .priv_class
= &mov_muxer_class
,
5131 #if CONFIG_TGP_MUXER
5133 AVOutputFormat ff_tgp_muxer
= {
5135 .long_name
= NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
5136 .extensions
= "3gp",
5137 .priv_data_size
= sizeof(MOVMuxContext
),
5138 .audio_codec
= AV_CODEC_ID_AMR_NB
,
5139 .video_codec
= AV_CODEC_ID_H263
,
5140 .write_header
= mov_write_header
,
5141 .write_packet
= mov_write_packet
,
5142 .write_trailer
= mov_write_trailer
,
5143 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5144 .codec_tag
= (const AVCodecTag
* const []){ codec_3gp_tags
, 0 },
5145 .priv_class
= &tgp_muxer_class
,
5148 #if CONFIG_MP4_MUXER
5150 AVOutputFormat ff_mp4_muxer
= {
5152 .long_name
= NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
5153 .mime_type
= "application/mp4",
5154 .extensions
= "mp4",
5155 .priv_data_size
= sizeof(MOVMuxContext
),
5156 .audio_codec
= AV_CODEC_ID_AAC
,
5157 .video_codec
= CONFIG_LIBX264_ENCODER
?
5158 AV_CODEC_ID_H264
: AV_CODEC_ID_MPEG4
,
5159 .write_header
= mov_write_header
,
5160 .write_packet
= mov_write_packet
,
5161 .write_trailer
= mov_write_trailer
,
5162 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5163 .codec_tag
= (const AVCodecTag
* const []){ ff_mp4_obj_type
, 0 },
5164 .priv_class
= &mp4_muxer_class
,
5167 #if CONFIG_PSP_MUXER
5169 AVOutputFormat ff_psp_muxer
= {
5171 .long_name
= NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
5172 .extensions
= "mp4,psp",
5173 .priv_data_size
= sizeof(MOVMuxContext
),
5174 .audio_codec
= AV_CODEC_ID_AAC
,
5175 .video_codec
= CONFIG_LIBX264_ENCODER
?
5176 AV_CODEC_ID_H264
: AV_CODEC_ID_MPEG4
,
5177 .write_header
= mov_write_header
,
5178 .write_packet
= mov_write_packet
,
5179 .write_trailer
= mov_write_trailer
,
5180 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5181 .codec_tag
= (const AVCodecTag
* const []){ ff_mp4_obj_type
, 0 },
5182 .priv_class
= &psp_muxer_class
,
5185 #if CONFIG_TG2_MUXER
5187 AVOutputFormat ff_tg2_muxer
= {
5189 .long_name
= NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
5190 .extensions
= "3g2",
5191 .priv_data_size
= sizeof(MOVMuxContext
),
5192 .audio_codec
= AV_CODEC_ID_AMR_NB
,
5193 .video_codec
= AV_CODEC_ID_H263
,
5194 .write_header
= mov_write_header
,
5195 .write_packet
= mov_write_packet
,
5196 .write_trailer
= mov_write_trailer
,
5197 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5198 .codec_tag
= (const AVCodecTag
* const []){ codec_3gp_tags
, 0 },
5199 .priv_class
= &tg2_muxer_class
,
5202 #if CONFIG_IPOD_MUXER
5204 AVOutputFormat ff_ipod_muxer
= {
5206 .long_name
= NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
5207 .mime_type
= "application/mp4",
5208 .extensions
= "m4v,m4a",
5209 .priv_data_size
= sizeof(MOVMuxContext
),
5210 .audio_codec
= AV_CODEC_ID_AAC
,
5211 .video_codec
= AV_CODEC_ID_H264
,
5212 .write_header
= mov_write_header
,
5213 .write_packet
= mov_write_packet
,
5214 .write_trailer
= mov_write_trailer
,
5215 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5216 .codec_tag
= (const AVCodecTag
* const []){ codec_ipod_tags
, 0 },
5217 .priv_class
= &ipod_muxer_class
,
5220 #if CONFIG_ISMV_MUXER
5222 AVOutputFormat ff_ismv_muxer
= {
5224 .long_name
= NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
5225 .mime_type
= "application/mp4",
5226 .extensions
= "ismv,isma",
5227 .priv_data_size
= sizeof(MOVMuxContext
),
5228 .audio_codec
= AV_CODEC_ID_AAC
,
5229 .video_codec
= AV_CODEC_ID_H264
,
5230 .write_header
= mov_write_header
,
5231 .write_packet
= mov_write_packet
,
5232 .write_trailer
= mov_write_trailer
,
5233 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
| AVFMT_TS_NEGATIVE
,
5234 .codec_tag
= (const AVCodecTag
* const []){ ff_mp4_obj_type
, 0 },
5235 .priv_class
= &ismv_muxer_class
,
5238 #if CONFIG_F4V_MUXER
5240 AVOutputFormat ff_f4v_muxer
= {
5242 .long_name
= NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5243 .mime_type
= "application/f4v",
5244 .extensions
= "f4v",
5245 .priv_data_size
= sizeof(MOVMuxContext
),
5246 .audio_codec
= AV_CODEC_ID_AAC
,
5247 .video_codec
= AV_CODEC_ID_H264
,
5248 .write_header
= mov_write_header
,
5249 .write_packet
= mov_write_packet
,
5250 .write_trailer
= mov_write_trailer
,
5251 .flags
= AVFMT_GLOBALHEADER
| AVFMT_ALLOW_FLUSH
,
5252 .codec_tag
= (const AVCodecTag
* const []){ codec_f4v_tags
, 0 },
5253 .priv_class
= &f4v_muxer_class
,