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[Bug 1530706] [NEW] Gallery fails to thumbnail .mkv file and media player won't play it

 

Public bug reported:

I'm having trouble playing a rather large file (954.6 MB). Upon
selecting the gallery for playing, it freezes and creates a qt_temp file
and that eventually grows to the same size as the original file. After
that the video appears in the gallery, but no thumbnail is generated,
and when trying to play it, the media player app opens, showing a black
screen and the play controls at 00:00 TC. No video plays.

Release: Ubuntu 15.04

---
This is the relevant metadata, as reported by SMPlayer:
Container: MKV (Matroska demuxer)

Video codec: ffh264 (FFmpeg h.264)
Resolution: 1920 x 1080
Aspect ratio: 1.7778
Format: avc1
Bitrate: 0 kbps
FPS: 23.976

Audio codec: ffaac (FFmpeg MPEG-2/MPEG-4 Audio) 
Format: MP4A
Bitrate: 128 kbps
Rate: 48000 Hz
Channels: 2

It contains 1 audio stream and 1 subtitle track of type SUB.

---
The file in question is the HorribleSubs version of episode 6 of the show One Punch Man, 1080p file, available through their site. Please consider the licensing and legal situation of this show in your country before downloading.

** Affects: gallery-app (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to gallery-app in Ubuntu.
https://bugs.launchpad.net/bugs/1530706

Title:
  Gallery fails to thumbnail .mkv file and media player won't play it

Status in gallery-app package in Ubuntu:
  New

Bug description:
  I'm having trouble playing a rather large file (954.6 MB). Upon
  selecting the gallery for playing, it freezes and creates a qt_temp
  file and that eventually grows to the same size as the original file.
  After that the video appears in the gallery, but no thumbnail is
  generated, and when trying to play it, the media player app opens,
  showing a black screen and the play controls at 00:00 TC. No video
  plays.

  Release: Ubuntu 15.04

  ---
  This is the relevant metadata, as reported by SMPlayer:
  Container: MKV (Matroska demuxer)

  Video codec: ffh264 (FFmpeg h.264)
  Resolution: 1920 x 1080
  Aspect ratio: 1.7778
  Format: avc1
  Bitrate: 0 kbps
  FPS: 23.976

  Audio codec: ffaac (FFmpeg MPEG-2/MPEG-4 Audio) 
  Format: MP4A
  Bitrate: 128 kbps
  Rate: 48000 Hz
  Channels: 2

  It contains 1 audio stream and 1 subtitle track of type SUB.

  ---
  The file in question is the HorribleSubs version of episode 6 of the show One Punch Man, 1080p file, available through their site. Please consider the licensing and legal situation of this show in your country before downloading.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gallery-app/+bug/1530706/+subscriptions


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