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akadi · 2014-02-19, 09:55

Hi
When I play mkv files from xbmc , some scenes the frame rate drops to 20/s causing playback stuttering.
XBMC is installed on the latest intel NUC i3 with 8 GB of ram running on the latest ubuntu 13 platform.
If I play the same file through VLC player in ubuntu, it plays just fine with CPU utilization not exceeding 40%.
Any ideas?
Thanks

**fritsch** · 2014-02-19, 14:06

no - not a single idea, cause of: http://forum.xbmc.org/showthread.php?tid=34655 :-)

Come back with the relevant logfiles.

akadi · 2014-02-21, 11:49

hi..thanks for your reply.

here is the log file: http://pastebin.com/vA9c5Te0

here are some additional info:

http://snag.gy/etOSG.jpg

http://snag.gy/mQZxv.jpg

please left me know if you need anything else..

cheers

**negge** · 2014-02-21, 11:51

VA-API (hardware acceleration) is not working, so you should check your drivers.

**fritsch** · 2014-02-21, 14:13

a) The version you are running is not supported it's an evil old version 12.0-rc3, sadly shipped by the ubuntu folks.
b) As negge pointed out, you miss the libva-driver-intel

Solutions
a) install team xbmc ppa
b) install the vaapi driver and also disable VDPAU

akadi · 2014-02-21, 15:55

Thanks. Question, why would vlc be able to activate hardware acceleration and run smoothly white xbmc can't?

**fritsch** · (This post was last modified: 2014-02-21, 16:02 by fritsch.)

It can't it just uses two cores at once. In xbmc everything is single threaded, when HW decoders are active.

akadi · (This post was last modified: 2014-02-21, 18:21 by akadi.)

Ok the driver took care of the issue. Here is a link to update all intel graphic driver on Linux

https://01.org/linuxgraphics/downloads

Cheers and thanks

akadi · (This post was last modified: 2014-04-15, 03:20 by akadi.)

(2014-02-21, 14:13)fritsch Wrote: a) The version you are running is not supported it's an evil old version 12.0-rc3, sadly shipped by the ubuntu folks.
b) As negge pointed out, you miss the libva-driver-intel

Solutions
a) install team xbmc ppa
b) install the vaapi driver and also disable VDPAU

Hi,
Do I need to uninstall current version first? if yes, how?
Can I have instructions to install team xbmc ppa and vaapi driver?

Thanks

(2014-02-21, 14:13)fritsch Wrote: a) The version you are running is not supported it's an evil old version 12.0-rc3, sadly shipped by the ubuntu folks.
b) As negge pointed out, you miss the libva-driver-intel

Solutions
a) install team xbmc ppa
b) install the vaapi driver and also disable VDPAU

Hi,
Do I need to uninstall current version first? if yes, how?
Can I have instructions to install team xbmc ppa and vaapi driver?

Thanks

**negge** · 2014-04-15, 09:26

You should be able to find all you need in the wiki.