[Bug 235164] multimedia/vlc no audio on .mkv files

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Jan 23 21:17:04 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235164

            Bug ID: 235164
           Summary: multimedia/vlc no audio on .mkv files
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: multimedia at FreeBSD.org
          Reporter: dmk at ncf.ca
          Assignee: multimedia at FreeBSD.org
             Flags: maintainer-feedback?(multimedia at FreeBSD.org)

Running vlc-3.0.6_1,4 on FreeBSD 12.0-RELEASE 64-bit.

I'm not sure when this problem crept into vlc; I use it fairly often but I only
have 2 or three .mkv files.

When I run vlc on the command line and pass it a .mkv file I get the following
output:

[0000000800905060] main libvlc: Running vlc with the default interface. Use
'cvlc' to use vlc without interface.
[00000008126be160] mkv demux error: cannot find KaxSegment or missing mandatory
KaxInfo
[0000000814246060] egl_x11 gl error: cannot select OpenGL API
[00000008127c2760] avcodec decoder: Using NVIDIA VDPAU Driver Shared Library 
390.87  Tue Aug 21 15:52:44 PDT 2018 for hardware decoding
[00000008127c2ae0] main decoder error: buffer deadlock prevented

The .mkv file audio is fine when using dragon or gst-play-1.0. According to
mkvinfo (multimedia/mkvtoolnix) the audio is using the OPUS codec.

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