1
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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

avformat/matroskaenc: write a MaxBlockAdditionID element

A non zero value is mandatory for Matroska if the track has blocks with BlockAdditions.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-03-19 10:52:47 -03:00
parent 00fde8063a
commit 1c2a1e0750
28 changed files with 116 additions and 89 deletions

View File

@ -188,6 +188,8 @@ typedef struct mkv_track {
int64_t last_timestamp;
int64_t duration;
int64_t duration_offset;
uint64_t max_blockaddid;
int64_t blockadditionmapping_offset;
int codecpriv_offset;
unsigned codecpriv_size; ///< size reserved for CodecPrivate excluding header+length field
int64_t ts_offset;
@ -1597,12 +1599,21 @@ static int mkv_write_stereo_mode(AVFormatContext *s, EbmlWriter *writer,
return 0;
}
static void mkv_write_dovi(AVFormatContext *s, AVIOContext *pb, AVStream *st)
static void mkv_write_blockadditionmapping(AVFormatContext *s, MatroskaMuxContext *mkv,
AVIOContext *pb, mkv_track *track, AVStream *st)
{
#if CONFIG_MATROSKA_MUXER
AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
av_stream_get_side_data(st, AV_PKT_DATA_DOVI_CONF, NULL);
if (IS_SEEKABLE(s->pb, mkv)) {
track->blockadditionmapping_offset = avio_tell(pb);
// We can't know at this point if there will be a block with BlockAdditions, so
// we either write the default value here, or a void element. Either of them will
// be overwritten when finishing the track.
put_ebml_uint(mkv->track.bc, MATROSKA_ID_TRACKMAXBLKADDID, 0);
}
if (dovi && dovi->dv_profile <= 10) {
ebml_master mapping;
uint8_t buf[ISOM_DVCC_DVVC_SIZE];
@ -1846,9 +1857,6 @@ static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv,
if (ret < 0)
return ret;
if (!IS_WEBM(mkv))
mkv_write_dovi(s, pb, st);
break;
case AVMEDIA_TYPE_AUDIO:
@ -1924,6 +1932,9 @@ static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv,
return AVERROR(EINVAL);
}
if (!IS_WEBM(mkv))
mkv_write_blockadditionmapping(s, mkv, pb, track, st);
if (!IS_WEBM(mkv) || par->codec_id != AV_CODEC_ID_WEBVTT) {
uint8_t *codecpriv;
int codecpriv_size, max_payload_size;
@ -2667,6 +2678,7 @@ static int mkv_write_block(void *logctx, MatroskaMuxContext *mkv,
side_data + 8, side_data_size - 8);
ebml_writer_close_master(&writer);
ebml_writer_close_master(&writer);
track->max_blockaddid = additional_id;
}
if (!force_blockgroup && writer.nb_elements == 2) {
@ -3070,6 +3082,21 @@ after_cues:
if (mkv->track.bc) {
// write Tracks master
if (!IS_WEBM(mkv))
for (unsigned i = 0; i < s->nb_streams; i++) {
const mkv_track *track = &mkv->tracks[i];
if (!track->max_blockaddid)
continue;
// We reserved a single byte to write this value.
av_assert0(track->max_blockaddid <= 0xFF);
avio_seek(mkv->track.bc, track->blockadditionmapping_offset, SEEK_SET);
put_ebml_uint(mkv->track.bc, MATROSKA_ID_TRACKMAXBLKADDID, track->max_blockaddid);
}
avio_seek(pb, mkv->track.pos, SEEK_SET);
ret = end_ebml_master_crc32(pb, &mkv->track.bc, mkv,
MATROSKA_ID_TRACKS, 0, 0, 0);

View File

@ -1,5 +1,5 @@
4342e4f3f93b16514bda511b3b7fd93a *tests/data/fate/aac-autobsf-adtstoasc.matroska
6642 tests/data/fate/aac-autobsf-adtstoasc.matroska
3d4465a7ea2cfba31af737e288c892fe *tests/data/fate/aac-autobsf-adtstoasc.matroska
6646 tests/data/fate/aac-autobsf-adtstoasc.matroska
#extradata 0: 2, 0x0030001c
#tb 0: 1/1000
#media_type 0: audio

View File

@ -1,5 +1,5 @@
fbe66be73d379073e0705891f290a6b2 *tests/data/fate/matroska-avoid-negative-ts.matroska
973055 tests/data/fate/matroska-avoid-negative-ts.matroska
ff83530bf89f9ab1df0d181bb848c475 *tests/data/fate/matroska-avoid-negative-ts.matroska
973063 tests/data/fate/matroska-avoid-negative-ts.matroska
#extradata 0: 22, 0x2885037c
#tb 0: 1/1000
#media_type 0: video

View File

@ -1,5 +1,5 @@
d23b8b0d0613a82ba36fdc27acf3ef5d *tests/data/fate/matroska-dovi-write-config7.matroska
72672 tests/data/fate/matroska-dovi-write-config7.matroska
b4db571fe6304f159a0383a38c9c0cee *tests/data/fate/matroska-dovi-write-config7.matroska
72680 tests/data/fate/matroska-dovi-write-config7.matroska
#extradata 0: 116, 0x2b8d1669
#extradata 1: 116, 0x2b8d1669
#tb 0: 1/1000

View File

@ -1,5 +1,5 @@
0047ca43aa8ab2948752e367f184dc1f *tests/data/fate/matroska-dovi-write-config8.matroska
3600576 tests/data/fate/matroska-dovi-write-config8.matroska
8c77c1d18ee58a8923c411d3ba006a46 *tests/data/fate/matroska-dovi-write-config8.matroska
3600584 tests/data/fate/matroska-dovi-write-config8.matroska
#extradata 0: 551, 0xa18acf66
#extradata 1: 2, 0x00340022
#tb 0: 1/1000

View File

@ -1,5 +1,5 @@
77d210dc36d7a01988d159b3c902524c *tests/data/fate/matroska-dvbsub-remux.matroska
39010 tests/data/fate/matroska-dvbsub-remux.matroska
5d1591e9abd7e1373d43bc776572aaf7 *tests/data/fate/matroska-dvbsub-remux.matroska
39018 tests/data/fate/matroska-dvbsub-remux.matroska
#extradata 0: 5, 0x00bb0064
#extradata 1: 5, 0x00bb0064
#tb 0: 1/1000

View File

@ -1,5 +1,5 @@
b933b7b94de55ae029369312d48d8649 *tests/data/fate/matroska-encoding-delay.matroska
961221 tests/data/fate/matroska-encoding-delay.matroska
1f6f9c0fbaba0f128acbea296cec1887 *tests/data/fate/matroska-encoding-delay.matroska
961229 tests/data/fate/matroska-encoding-delay.matroska
#extradata 0: 22, 0x32ea0490
#tb 0: 1/1000
#media_type 0: video
@ -32,7 +32,7 @@ dts_time=-0.010000
duration=24
duration_time=0.024000
size=1152
pos=1238
pos=1246
flags=K__
[/PACKET]
[PACKET]
@ -45,7 +45,7 @@ dts_time=0.000000
duration=40
duration_time=0.040000
size=237628
pos=2398
pos=2406
flags=K__
[/PACKET]
[PACKET]
@ -58,7 +58,7 @@ dts_time=0.014000
duration=24
duration_time=0.024000
size=1152
pos=240033
pos=240041
flags=K__
[/PACKET]
[PACKET]
@ -71,7 +71,7 @@ dts_time=0.038000
duration=24
duration_time=0.024000
size=1152
pos=241208
pos=241216
flags=K__
[/PACKET]
[PACKET]
@ -84,7 +84,7 @@ dts_time=0.040000
duration=40
duration_time=0.040000
size=238066
pos=242368
pos=242376
flags=K__
[/PACKET]
[STREAM]

View File

@ -1,5 +1,5 @@
28bc0ded5dc520d955caf29db80d35da *tests/data/fate/matroska-flac-extradata-update.matroska
1795 tests/data/fate/matroska-flac-extradata-update.matroska
fdbfdc51b519fd5e8f425aca1e7b8704 *tests/data/fate/matroska-flac-extradata-update.matroska
1807 tests/data/fate/matroska-flac-extradata-update.matroska
#extradata 0: 34, 0x93650c81
#extradata 1: 34, 0x93650c81
#extradata 2: 34, 0x93650c81

View File

@ -1,5 +1,5 @@
3c00191234d5c4d77151d38a86403101 *tests/data/fate/matroska-h264-remux.matroska
2036033 tests/data/fate/matroska-h264-remux.matroska
fa3352ef6d3abd7d93f8627981a53f6f *tests/data/fate/matroska-h264-remux.matroska
2036049 tests/data/fate/matroska-h264-remux.matroska
#tb 0: 1/25
#media_type 0: video
#codec_id 0: rawvideo

View File

@ -1,5 +1,5 @@
69a904789151abaee46033391a4fce46 *tests/data/fate/matroska-mastering-display-metadata.matroska
1669555 tests/data/fate/matroska-mastering-display-metadata.matroska
e9a5f7314d6ae2ef16713335df2b5903 *tests/data/fate/matroska-mastering-display-metadata.matroska
1669571 tests/data/fate/matroska-mastering-display-metadata.matroska
#extradata 0: 4, 0x040901a3
#extradata 3: 200, 0x506463a8
#tb 0: 1/1000

View File

@ -1,5 +1,5 @@
8ebfcf15768bbe66611e349383fbf26a *tests/data/fate/matroska-move-cues-to-front.matroska
23210287 tests/data/fate/matroska-move-cues-to-front.matroska
74a5ed3f0b14112322c8bf3e94d6e98b *tests/data/fate/matroska-move-cues-to-front.matroska
23210297 tests/data/fate/matroska-move-cues-to-front.matroska
#tb 0: 1/1000
#media_type 0: audio
#codec_id 0: pcm_s24be

View File

@ -1,5 +1,5 @@
acaf3ebe07afe9815e0a984921d3ab87 *tests/data/fate/matroska-mpegts-remux.matroska
6494 tests/data/fate/matroska-mpegts-remux.matroska
ca1b91e49b6e238b641007c186d8f424 *tests/data/fate/matroska-mpegts-remux.matroska
6502 tests/data/fate/matroska-mpegts-remux.matroska
#tb 0: 1/1000
#media_type 0: audio
#codec_id 0: ac3

View File

@ -1,5 +1,5 @@
afb4fc9b2ca6cafc03d8029fdf4da876 *tests/data/fate/matroska-ms-mode.matroska
413086 tests/data/fate/matroska-ms-mode.matroska
7f0b825626a028765098222816ba56b8 *tests/data/fate/matroska-ms-mode.matroska
413094 tests/data/fate/matroska-ms-mode.matroska
#extradata 0: 40, 0x54290c93
#extradata 1: 114, 0xb6c80771
#tb 0: 1/1000

View File

@ -1,5 +1,5 @@
a3f98769fe55bc5234cf75fb1949749a *tests/data/fate/matroska-ogg-opus-remux.matroska
10200 tests/data/fate/matroska-ogg-opus-remux.matroska
b602a1a4aaa4fbca4b8aaf39b66d7235 *tests/data/fate/matroska-ogg-opus-remux.matroska
10204 tests/data/fate/matroska-ogg-opus-remux.matroska
#extradata 0: 19, 0x399c0471
#tb 0: 1/1000
#media_type 0: audio
@ -57,7 +57,7 @@ dts_time=-0.007000
duration=20
duration_time=0.020000
size=402
pos=540
pos=544
flags=K__
[/PACKET]
[PACKET]
@ -70,7 +70,7 @@ dts_time=0.013000
duration=20
duration_time=0.020000
size=216
pos=949
pos=953
flags=K__
[/PACKET]
[PACKET]
@ -83,7 +83,7 @@ dts_time=0.033000
duration=20
duration_time=0.020000
size=215
pos=1172
pos=1176
flags=K__
[/PACKET]
[STREAM]

View File

@ -1,5 +1,5 @@
551e45142f0989b281e837a3a86f0218 *tests/data/fate/matroska-opus-remux.matroska
9355 tests/data/fate/matroska-opus-remux.matroska
fe0258eb0d4b525203ea240c87a154d3 *tests/data/fate/matroska-opus-remux.matroska
9359 tests/data/fate/matroska-opus-remux.matroska
#extradata 0: 19, 0x3a04048f
#tb 0: 1/1000
#media_type 0: audio
@ -68,7 +68,7 @@ dts_time=-0.007000
duration=20
duration_time=0.020000
size=320
pos=496
pos=500
flags=K__
[/PACKET]
[PACKET]
@ -81,7 +81,7 @@ dts_time=0.014000
duration=20
duration_time=0.020000
size=159
pos=823
pos=827
flags=K__
[/PACKET]
[PACKET]
@ -94,7 +94,7 @@ dts_time=0.034000
duration=20
duration_time=0.020000
size=148
pos=989
pos=993
flags=K__
[/PACKET]
[STREAM]

View File

@ -1,5 +1,5 @@
6703d4e9a905bc5a1fc529776e8ffb51 *tests/data/fate/matroska-pgs-remux.matroska
49744 tests/data/fate/matroska-pgs-remux.matroska
d39daa393d66ae0b0c153be045897585 *tests/data/fate/matroska-pgs-remux.matroska
49748 tests/data/fate/matroska-pgs-remux.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: hdmv_pgs_subtitle

View File

@ -1,5 +1,5 @@
a547f8b6463a60e5ef2e9a2b117c4dfa *tests/data/fate/matroska-pgs-remux-durations.matroska
49756 tests/data/fate/matroska-pgs-remux-durations.matroska
27af80eecea4f15f415f22841bc699d5 *tests/data/fate/matroska-pgs-remux-durations.matroska
49760 tests/data/fate/matroska-pgs-remux-durations.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: hdmv_pgs_subtitle

View File

@ -1,5 +1,5 @@
39a3d6faff69892c8a20301560b80b14 *tests/data/fate/matroska-qt-mode.matroska
1884224 tests/data/fate/matroska-qt-mode.matroska
c3483a76cd0bfbaf80a32dad041b6f52 *tests/data/fate/matroska-qt-mode.matroska
1884232 tests/data/fate/matroska-qt-mode.matroska
#extradata 0: 90, 0x817d0185
#tb 0: 1/1000
#media_type 0: video

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@ -1,5 +1,5 @@
31cdace875cb696973d5a493ce776eea *tests/data/fate/matroska-spherical-mono-remux.matroska
161554 tests/data/fate/matroska-spherical-mono-remux.matroska
dfc2e196ca14cce155b1a081a0628fd3 *tests/data/fate/matroska-spherical-mono-remux.matroska
161562 tests/data/fate/matroska-spherical-mono-remux.matroska
#extradata 0: 43, 0x2b0e0d7b
#extradata 1: 43, 0x2b0e0d7b
#tb 0: 1/1000

View File

@ -1,5 +1,5 @@
fd4f24bf776a2f84e01b0aa7fdfece38 *tests/data/fate/matroska-vp8-alpha-remux.matroska
235011 tests/data/fate/matroska-vp8-alpha-remux.matroska
3339f3fa157bdd63f22f5a579f308c89 *tests/data/fate/matroska-vp8-alpha-remux.matroska
235015 tests/data/fate/matroska-vp8-alpha-remux.matroska
#tb 0: 1/1000
#media_type 0: video
#codec_id 0: vp8

View File

@ -1,5 +1,5 @@
d9c8efb9d64addce3cac97e6c417d985 *tests/data/fate/matroska-zero-length-block.matroska
630 tests/data/fate/matroska-zero-length-block.matroska
f577fad2fff41d6e055f605281582b8d *tests/data/fate/matroska-zero-length-block.matroska
634 tests/data/fate/matroska-zero-length-block.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: subrip

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@ -1,5 +1,5 @@
a46cb669137f18ac0a42012485e5e863 *tests/data/fate/rgb24-mkv.matroska
58211 tests/data/fate/rgb24-mkv.matroska
69dc9d35fdfadccb28c7baf401776ec3 *tests/data/fate/rgb24-mkv.matroska
58215 tests/data/fate/rgb24-mkv.matroska
#tb 0: 1/10
#media_type 0: video
#codec_id 0: rawvideo

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@ -1,5 +1,5 @@
145b9b48d56f9c966bf41657f7569954 *tests/data/fate/shortest-sub.matroska
139232 tests/data/fate/shortest-sub.matroska
d334a0eee71351ddad0a63011107909f *tests/data/fate/shortest-sub.matroska
139240 tests/data/fate/shortest-sub.matroska
#extradata 1: 167, 0xf7272d5f
#tb 0: 1/1000
#media_type 0: video

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@ -1,3 +1,3 @@
72a4713f9165c73574d40e8b81c5d70f *tests/data/lavf-fate/lavf.av1.mkv
55642 tests/data/lavf-fate/lavf.av1.mkv
7d2c39dd98d5776425a4015e1eead6c6 *tests/data/lavf-fate/lavf.av1.mkv
55646 tests/data/lavf-fate/lavf.av1.mkv
tests/data/lavf-fate/lavf.av1.mkv CRC=0x7c27cc15

View File

@ -1,3 +1,3 @@
e2d55cd3844fd7237a92181dbbcb08d9 *tests/data/lavf/lavf.mka
43569 tests/data/lavf/lavf.mka
77db16a9fe1c42a230c85124bfb40cad *tests/data/lavf/lavf.mka
43573 tests/data/lavf/lavf.mka
tests/data/lavf/lavf.mka CRC=0x3a1da17e

View File

@ -1,3 +1,3 @@
0934e35639b6735c1e26595e8f47ba70 *tests/data/lavf/lavf.mkv
320409 tests/data/lavf/lavf.mkv
32b87b6adbe76df1008bc074f82fabb0 *tests/data/lavf/lavf.mkv
320417 tests/data/lavf/lavf.mkv
tests/data/lavf/lavf.mkv CRC=0xec6c3c68

View File

@ -1,3 +1,3 @@
d2708709bdd6817d9cb2b475fdfa903f *tests/data/lavf/lavf.mkv_attachment
472559 tests/data/lavf/lavf.mkv_attachment
41739c51209d94b4763f9dbe4d1e1dc9 *tests/data/lavf/lavf.mkv_attachment
472567 tests/data/lavf/lavf.mkv_attachment
tests/data/lavf/lavf.mkv_attachment CRC=0xec6c3c68

View File

@ -1,48 +1,48 @@
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 657 size: 208
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 665 size: 208
ret: 0 st:-1 flags:0 ts:-1.000000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837
ret: 0 st:-1 flags:1 ts: 1.894167
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292289 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292297 size: 27834
ret: 0 st: 0 flags:0 ts: 0.788000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292289 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 ts:-0.317000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837
ret:-1 st: 1 flags:0 ts: 2.577000
ret: 0 st: 1 flags:1 ts: 1.471000
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320130 size: 209
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320138 size: 209
ret: 0 st:-1 flags:0 ts: 0.365002
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146841 size: 27925
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146849 size: 27925
ret: 0 st:-1 flags:1 ts:-0.740831
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837
ret:-1 st: 0 flags:0 ts: 2.153000
ret: 0 st: 0 flags:1 ts: 1.048000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292289 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292297 size: 27834
ret: 0 st: 1 flags:0 ts:-0.058000
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 657 size: 208
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 665 size: 208
ret: 0 st: 1 flags:1 ts: 2.836000
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320130 size: 209
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320138 size: 209
ret:-1 st:-1 flags:0 ts: 1.730004
ret: 0 st:-1 flags:1 ts: 0.624171
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146841 size: 27925
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146849 size: 27925
ret: 0 st: 0 flags:0 ts:-0.482000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 ts: 2.413000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292289 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292297 size: 27834
ret:-1 st: 1 flags:0 ts: 1.307000
ret: 0 st: 1 flags:1 ts: 0.201000
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 657 size: 208
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 665 size: 208
ret: 0 st:-1 flags:0 ts:-0.904994
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837
ret: 0 st:-1 flags:1 ts: 1.989173
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292289 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292297 size: 27834
ret: 0 st: 0 flags:0 ts: 0.883000
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292289 size: 27834
ret: 0 st: 0 flags:1 dts: 0.960000 pts: 0.960000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 ts:-0.222000
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837
ret:-1 st: 1 flags:0 ts: 2.672000
ret: 0 st: 1 flags:1 ts: 1.566000
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320130 size: 209
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320138 size: 209
ret: 0 st:-1 flags:0 ts: 0.460008
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146841 size: 27925
ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos: 146849 size: 27925
ret: 0 st:-1 flags:1 ts:-0.645825
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 873 size: 27837
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 881 size: 27837