Question

This doesn’t seem to address my issue.  I modify the seekhead to have seekid/positions to point to the tags/attachments.  And VLC sees the tags OK, but not the cover art.  And mkvinfo doesn’t see either.

 

Here is the info that mkvinfo finds:

 

(MKVInfo) + EBML head

(MKVInfo) |+ EBML version: 1

(MKVInfo) |+ EBML read version: 1

(MKVInfo) |+ EBML maximum ID length: 4

(MKVInfo) |+ EBML maximum size length: 8

(MKVInfo) |+ Doc type: matroska

(MKVInfo) |+ Doc type version: 4

(MKVInfo) |+ Doc type read version: 2

(MKVInfo) + Segment, size 1033633528

(MKVInfo) |+ Seek head

(MKVInfo) | + Seek entry

(MKVInfo) |  + Seek ID: 0x12 0x54 0xc3 0x67 (KaxTags)

(MKVInfo) |  + Seek position: 1032578428

(MKVInfo) | + Seek entry

(MKVInfo) |  + Seek ID: 0x19 0x41 0xa4 0x69 (KaxAttachments)

(MKVInfo) |  + Seek position: 1032579778

(MKVInfo) | + Seek entry

(MKVInfo) |  + Seek ID: 0x15 0x49 0xa9 0x66 (KaxInfo)

(MKVInfo) |  + Seek position: 4099

(MKVInfo) | + Seek entry

(MKVInfo) |  + Seek ID: 0x16 0x54 0xae 0x6b (KaxTracks)

(MKVInfo) |  + Seek position: 4273

(MKVInfo) | + Seek entry

(MKVInfo) |  + Seek ID: 0x1c 0x53 0xbb 0x6b (KaxCues)

(MKVInfo) |  + Seek position: 1032512626

(MKVInfo) |+ EbmlVoid (size: 3985)

(MKVInfo) |+ Segment information

(MKVInfo) | + Timecode scale: 1000000

(MKVInfo) | + Muxing application: libebml v1.3.0 + libmatroska v1.4.0

(MKVInfo) | + Writing application: mkvmerge v6.2.0 ('Promised Land') built on Apr 28 2013 12:22:01

(MKVInfo) | + Duration: 8224.257s (02:17:04.257)

(MKVInfo) | + Date: Sun Jun 09 16:10:19 2013 UTC

(MKVInfo) | + Title: Cast Away -Junoon

(MKVInfo) | + Segment UID: 0x8e 0x44 0xfe 0xa5 0x8f 0xc7 0xe2 0xa5 0xa5 0xfb 0x43 0x7e 0x28 0xc4 0xf4 0xee

(MKVInfo) |+ Segment tracks

(MKVInfo) | + A track

(MKVInfo) |  + Track number: 1 (track ID for mkvmerge & mkvextract: 0)

(MKVInfo) |  + Track UID: 3612141444

(MKVInfo) |  + Track type: video

(MKVInfo) |  + Lacing flag: 0

(MKVInfo) |  + MinCache: 1

(MKVInfo) |  + Codec ID: V_MPEG4/ISO/AVC

(MKVInfo) |  + CodecPrivate, length 42 (h.264 profile: High @L4.1)

(MKVInfo) |  + Default duration: 41.708ms (23.976 frames/fields per second for a video track)

(MKVInfo) |  + Name: Junoon

(MKVInfo) |  + Video track

(MKVInfo) |   + Pixel width: 1280

(MKVInfo) |   + Pixel height: 696

(MKVInfo) |   + Display width: 1280

(MKVInfo) |   + Display height: 696

(MKVInfo) | + A track

(MKVInfo) |  + Track number: 2 (track ID for mkvmerge & mkvextract: 1)

(MKVInfo) |  + Track UID: 3992348033

(MKVInfo) |  + Track type: audio

(MKVInfo) |  + Codec ID: A_AAC

(MKVInfo) |  + CodecPrivate, length 7

(MKVInfo) |  + Default duration: 42.667ms (23.438 frames/fields per second for a video track)

(MKVInfo) |  + Name: Junoon

(MKVInfo) |  + Audio track

(MKVInfo) |   + Sampling frequency: 24000

(MKVInfo) |   + Channels: 2

(MKVInfo) |   + Output sampling frequency: 48000

(MKVInfo) | + A track

(MKVInfo) |  + Track number: 3 (track ID for mkvmerge & mkvextract: 2)

(MKVInfo) |  + Track UID: 2349139840

(MKVInfo) |  + Track type: audio

(MKVInfo) |  + Default flag: 0

(MKVInfo) |  + Codec ID: A_VORBIS

(MKVInfo) |  + CodecPrivate, length 3868

(MKVInfo) |  + Language: rus

(MKVInfo) |  + Name: Junoon

(MKVInfo) |  + Audio track

(MKVInfo) |   + Sampling frequency: 48000

(MKVInfo) |   + Channels: 2

(MKVInfo) | + A track

(MKVInfo) |  + Track number: 4 (track ID for mkvmerge & mkvextract: 3)

(MKVInfo) |  + Track UID: 3321750171

(MKVInfo) |  + Track type: audio

(MKVInfo) |  + Default flag: 0

(MKVInfo) |  + Codec ID: A_AAC

(MKVInfo) |  + CodecPrivate, length 7

(MKVInfo) |  + Default duration: 46.440ms (21.533 frames/fields per second for a video track)

(MKVInfo) |  + Language: hin

(MKVInfo) |  + Name: Junoon

(MKVInfo) |  + Audio track

(MKVInfo) |   + Sampling frequency: 22050

(MKVInfo) |   + Channels: 2

(MKVInfo) |   + Output sampling frequency: 44100

(MKVInfo) | + A track

(MKVInfo) |  + Track number: 5 (track ID for mkvmerge & mkvextract: 4)

(MKVInfo) |  + Track UID: 612310963

(MKVInfo) |  + Track type: subtitles

(MKVInfo) |  + Lacing flag: 0

(MKVInfo) |  + Codec ID: S_TEXT/UTF8

(MKVInfo) |  + Name: Junoon

(MKVInfo) | + A track

(MKVInfo) |  + Track number: 6 (track ID for mkvmerge & mkvextract: 5)

(MKVInfo) |  + Track UID: 1045735303

(MKVInfo) |  + Track type: subtitles

(MKVInfo) |  + Default flag: 0

(MKVInfo) |  + Lacing flag: 0

(MKVInfo) |  + Codec ID: S_TEXT/UTF8

(MKVInfo) |  + Language: rus

(MKVInfo) |  + Name: Junoon

(MKVInfo) |+ EbmlVoid (size: 1219)

(MKVInfo) |+ EbmlVoid (size: 354553)

(MKVInfo) |+ Cluster

 

From: Matroska-users [mailto:[email protected]] On Behalf Of Moritz Bunkus
Sent: Monday, March 31, 2014 11:19 PM
To: Questions, help, instructions, talk about Matroska
Cc: Dan Hinsley
Subject: Re: [Matroska-users] Question

 

Hey,

 

read https://trac.bunkus.org/wiki/FAQ%3AAllTracksVanishedAfterMkvpropeditOrHeaderEditor for an explanation of what is most likely happening to you.

 

Kind regards,

mosu

​

 

 

It is difficult to get a man to understand something when his salary depends on his not understanding it.

 

Upton Sinclair

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