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[Ｖ字龍(Vdragon) <Vdragon.Taiwan@xxxxxxxxx>]

Public bug reported:

The same video plays correctly on VLC, though.

## gst-play-1.0 console output ##
```
$ gst-play-1.0 Undertale\ \[Pacifist\ AMV\]\ -\ Glad\ You\ Came-4dTTUDN1lV0.mkv 
Now playing Undertale [Pacifist AMV] - Glad You Came-4dTTUDN1lV0.mkv
Missing plugin: audio/x-unknown decoder
WARNING No decoder available for type 'audio/x-unknown, codec-id=(string)A_OPUS'.
WARNING debug information: gsturidecodebin.c(930): unknown_type_cb (): /GstPlayBin:playbin/GstURIDecodeBin:uridecodebin0
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/i386-linux-gnu/dri/nvidia_drv_video.so
libva info: Found init function __vaDriverInit_0_32
libva info: va_openDriver() returns 0
```

## Used 3rd party softwares ##
* [Ubuntu Multimedia for Trusty : Doug McMahon](https://launchpad.net/~mc3man/+archive/ubuntu/trusty-media)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: libgstreamer1.0-0 1.2.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-71.114-generic 3.13.11-ckt29
Uname: Linux 3.13.0-71-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: i386
CurrentDesktop: Unity
Date: Thu Dec 17 05:49:17 2015
InstallationDate: Installed on 2015-10-02 (75 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
SourcePackage: gstreamer1.0
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gstreamer1.0 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 third-party-packages trusty

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gstreamer1.0 in Ubuntu.
https://bugs.launchpad.net/bugs/1526968

Title:
  Gstreamer play with no sound when playing video with OPUS audio track

Status in gstreamer1.0 package in Ubuntu:
  New

Bug description:
  The same video plays correctly on VLC, though.

  ## gst-play-1.0 console output ##
  ```
  $ gst-play-1.0 Undertale\ \[Pacifist\ AMV\]\ -\ Glad\ You\ Came-4dTTUDN1lV0.mkv 
  Now playing Undertale [Pacifist AMV] - Glad You Came-4dTTUDN1lV0.mkv
  Missing plugin: audio/x-unknown decoder
  WARNING No decoder available for type 'audio/x-unknown, codec-id=(string)A_OPUS'.
  WARNING debug information: gsturidecodebin.c(930): unknown_type_cb (): /GstPlayBin:playbin/GstURIDecodeBin:uridecodebin0
  libva info: VA-API version 0.36.0
  libva info: va_getDriverName() returns 0
  libva info: Trying to open /usr/lib/i386-linux-gnu/dri/nvidia_drv_video.so
  libva info: Found init function __vaDriverInit_0_32
  libva info: va_openDriver() returns 0
  ```

  ## Used 3rd party softwares ##
  * [Ubuntu Multimedia for Trusty : Doug McMahon](https://launchpad.net/~mc3man/+archive/ubuntu/trusty-media)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: libgstreamer1.0-0 1.2.4-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-71.114-generic 3.13.11-ckt29
  Uname: Linux 3.13.0-71-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: i386
  CurrentDesktop: Unity
  Date: Thu Dec 17 05:49:17 2015
  InstallationDate: Installed on 2015-10-02 (75 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  SourcePackage: gstreamer1.0
  UpgradeStatus: No upgrade log present (probably fresh install)

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