[FFmpeg-trac] #2263(avformat:open): Read second SeekHead in Matroska files
FFmpeg
trac at avcodec.org
Sun Feb 17 19:04:40 CET 2013
#2263: Read second SeekHead in Matroska files
-------------------------------------+------------------------------------
Reporter: eelco | Owner:
Type: enhancement | Status: open
Priority: wish | Component: avformat
Version: git-master | Resolution:
Keywords: mkv h264 | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+------------------------------------
Comment (by cehoyos):
{{{
$ mkvinfo 2263-slow-ss-full.mkv
+ EBML head
|+ EBML version: 1
|+ EBML read version: 1
|+ EBML maximum ID length: 4
|+ EBML maximum size length: 8
|+ Doc type: matroska
|+ Doc type version: 2
|+ Doc type read version: 2
+ Segment, size 11568150356
|+ Seek head (subentries will be skipped)
|+ EbmlVoid (size: 28)
|+ Chapters
| + EditionEntry
| + ChapterAtom
| + ChapterUID: 4643754908665286289
| + ChapterTimeStart: 00:00:00.000000000
| + ChapterDisplay
| + ChapterString: 00:00:00.000
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 776680746040114083
| + ChapterTimeStart: 00:05:16.316000000
| + ChapterDisplay
| + ChapterString: 00:05:16.316
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 7936573191005558681
| + ChapterTimeStart: 00:10:51.985000000
| + ChapterDisplay
| + ChapterString: 00:10:51.985
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 6360485584497157554
| + ChapterTimeStart: 00:19:46.310000000
| + ChapterDisplay
| + ChapterString: 00:19:46.310
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 2145345886638826677
| + ChapterTimeStart: 00:27:49.835000000
| + ChapterDisplay
| + ChapterString: 00:27:49.835
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 4051148929050008205
| + ChapterTimeStart: 00:32:50.552000000
| + ChapterDisplay
| + ChapterString: 00:32:50.552
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 6076738213057105045
| + ChapterTimeStart: 00:40:34.974000000
| + ChapterDisplay
| + ChapterString: 00:40:34.974
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 12712555268836147128
| + ChapterTimeStart: 00:46:51.976000000
| + ChapterDisplay
| + ChapterString: 00:46:51.976
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 13765820060876751293
| + ChapterTimeStart: 00:52:00.534000000
| + ChapterDisplay
| + ChapterString: 00:52:00.534
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 139259153207598227
| + ChapterTimeStart: 00:58:55.157000000
| + ChapterDisplay
| + ChapterString: 00:58:55.157
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 12150923411689504900
| + ChapterTimeStart: 01:00:23.411000000
| + ChapterDisplay
| + ChapterString: 01:00:23.411
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 1907332086412795570
| + ChapterTimeStart: 01:04:19.314000000
| + ChapterDisplay
| + ChapterString: 01:04:19.314
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 18177291500090400424
| + ChapterTimeStart: 01:10:59.672000000
| + ChapterDisplay
| + ChapterString: 01:10:59.672
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 13764324979318202552
| + ChapterTimeStart: 01:15:30.317000000
| + ChapterDisplay
| + ChapterString: 01:15:30.317
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 6136948946309581968
| + ChapterTimeStart: 01:21:09.782000000
| + ChapterDisplay
| + ChapterString: 01:21:09.782
| + ChapterLanguage: und
| + ChapterAtom
| + ChapterUID: 6007540025134916797
| + ChapterTimeStart: 01:22:48.630000000
| + ChapterDisplay
| + ChapterString: 01:22:48.630
| + ChapterLanguage: und
| + EditionUID: 14146429012029870465
|+ EbmlVoid (size: 3341)
|+ Segment information
| + Timecode scale: 1000000
| + Muxing application: libebml v1.2.3 + libmatroska v1.3.0
| + Writing application: mkvmerge v5.8.0 ('No Sleep / Pillow') built on
Sep 2 2012 15:37:04
| + Duration: 5604.192s (01:33:24.192)
| + Date: Sun Dec 9 16:32:15 2012 UTC
| + Segment UID: 0x86 0x37 0x2f 0xf9 0xe5 0x6a 0x1e 0x85 0x88 0x3e 0x67
0xc2 0xa5 0xa6 0x1f 0xb3
|+ Segment tracks
| + A track
| + Track number: 1 (track ID for mkvmerge & mkvextract: 0)
| + Track UID: 1
| + Track type: video
| + Lacing flag: 0
| + MinCache: 1
| + Codec ID: V_MPEG4/ISO/AVC
| + CodecPrivate, length 41 (h.264 profile: High @L4.1)
| + Default duration: 41.708ms (23.976 frames/fields per second for a
video track)
| + Video track
| + Pixel width: 1920
| + Pixel height: 1080
| + Display width: 1920
| + Display height: 1080
| + Content encodings
| + Content encoding
| + Content compression
| + Algorithm: 3 (header removal)
| + Settings: length 1, data: 0x00
| + A track
| + Track number: 2 (track ID for mkvmerge & mkvextract: 1)
| + Track UID: 124107657
| + Track type: audio
| + Default flag: 0
| + MinCache: 1
| + Codec ID: A_TRUEHD
| + Name: English TRUE-HD
| + Audio track
| + Sampling frequency: 48000
| + Channels: 8
| + A track
| + Track number: 3 (track ID for mkvmerge & mkvextract: 2)
| + Track UID: 2618188706
| + Track type: audio
| + Codec ID: A_AC3
| + Default duration: 32.000ms (31.250 frames/fields per second for a
video track)
| + Language: swe
| + Name: Swedish AC3
| + Audio track
| + Sampling frequency: 48000
| + Channels: 6
| + Content encodings
| + Content encoding
| + Content compression
| + Algorithm: 3 (header removal)
| + Settings: length 2, data: 0x0b 0x77
| + A track
| + Track number: 4 (track ID for mkvmerge & mkvextract: 3)
| + Track UID: 3823762597
| + Track type: subtitles
| + Lacing flag: 0
| + Codec ID: S_VOBSUB
| + CodecPrivate, length 348
| + Language: swe
| + Name: Swedish
| + Content encodings
| + Content encoding
| + Content compression
| + A track
| + Track number: 5 (track ID for mkvmerge & mkvextract: 4)
| + Track UID: 556225960
| + Track type: subtitles
| + Default flag: 0
| + Lacing flag: 0
| + Codec ID: S_VOBSUB
| + CodecPrivate, length 348
| + Name: English
| + Content encodings
| + Content encoding
| + Content compression
|+ EbmlVoid (size: 1241)
|+ Cluster
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2263#comment:9>
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