[mythtv-users] Constant Video stalls/lockups - looking for suggestions

Bruce Nordstrand brucen at ksl.com.au
Mon Apr 28 00:49:25 UTC 2008

Phil Bridges wrote:
> On Sun, Apr 27, 2008 at 5:56 AM, Mark Himsley <mark at mdsh.com> wrote:
>> Bruce Nordstrand wrote:
>>  > Playing *anything* will result in the video freezing for up to 30 secs
>>  > and this happens randomly and sometimes more than once. Videos are on a
>>  > network share via NFS and do the same whatever I use as the player
>>  > Internal, Xine, MPlayer. It doesn't matter if there is anything
>>  > recording or not - this machine is a combined frontend/backend. This
>>  > makes it real hard to watch things like Buffy and Dr Who!!! :)
>>  Hi,
>>  I'm having similar issues, only more so. I cannot watch anything in
>>  MythTV. I get a second or two of moving video+audio then a freeze for 10
>>  seconds - rinse and repeat.
>>  I was using v2.1 on Ubuntu Gutsey without an issue. Upgraded to Ubuntu
>>  Hardy and it's all gone pare shaped.
>>  Note though that recordings happen perfectly and I can mythtranscode
>>  programmes out of MythTV and view them in Mplayer and VLC. Even more
>>  silly, when I'm in MythTV frontend -> Media Library -> Watch Recordings
>>  the mini-preview video plays perfectly!
>>  So essentially so long as I don't want to watch programmes in MythTV
>>  frontend then it's all ok :-(
> What playback profile are you using?
> (http://www.mythtv.org/wiki/index.php/Playback_profiles)
Hi Phil
I am using the Slim profile - basically it is the only one that will play anything without video freezing, tearing/audio normal etc etc. Slim is the profile that results in the pauses in both video and audio, moreso from NFS but still present on local files. I will dig into Playback Profiles a little more to see what I can come up with. I even compiled my own on this machine but there has been no change in performance so it must be an issue with something like the profiles.


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