Vlc avcodec decoder error on 18.04

[lotuspsychje]

Ubuntu 18.04 Development branch @ 26/12/2017

Vlc is stuttering when playing an .mkv movie smplayer plays the mkv fine.

Vlc error output:

VLC media player 3.0.0-rc2 Vetinari (revision 3.0.0-rc2-4-g34986c2207)
[0000564fb5f13a30] main libvlc: Vlc draait met de standaardinterface. Gebruik 'cvlc' om vlc zonder interface te gebruiken.
[0000564fb5f12350] main playlist: playlist is empty
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
libva info: VA-API version 1.0.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
libva info: Found init function __vaDriverInit_1_0
libva info: va_openDriver() returns 0
libva info: VA-API version 1.0.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
libva info: Found init function __vaDriverInit_1_0
libva info: va_openDriver() returns 0
[00007f90e0c12870] avcodec decoder: Using G3DVL VDPAU Driver Shared Library version 1.0 for hardware decoding
[00007f90e0c12870] avcodec decoder error: existing hardware acceleration cannot be reused
libva info: VA-API version 1.0.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
libva info: Found init function __vaDriverInit_1_0
libva info: va_openDriver() returns 0
libva info: VA-API version 1.0.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
libva info: Found init function __vaDriverInit_1_0
libva info: va_openDriver() returns 0
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
[00007f90e0c12870] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?)
QObject::~QObject: Timers cannot be stopped from another thread
lotuspsychje@R00TBOOK:~$

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: vlc 3.0.0~rc2-2ubuntu2
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
Uname: Linux 4.13.0-17-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.8-0ubuntu5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Dec 26 16:56:14 2017
InstallationDate: Installed on 2017-12-18 (7 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20171215)
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)

[Sebastian Ramacher (s-ramacher)]

Please share a sample of the video that exhibits this problem.

[Launchpad Janitor (janitor)]

[Expired for vlc (Ubuntu) because there has been no activity for 60 days.]