On 4/13/05, Troy Roberts <[EMAIL PROTECTED]> wrote: > I have a single backend driving 2 frontends - all debian based. I > recently updated them al to the 2.6.11 kernel > kernel-image-2.6.11-1-686 I now have a significant amount of > 'stutter' druing playback on both frontends > > Each frontend has a slightly different hardware config (mobo, audio, > cpu speed) but the same video card (nvidia), intel procs, etc. > > The backend is capturing everything fine because if I copy the .nuv > file over to a windows box or to my videos dir they play fine > (including in mplayer), it is just during myth playback that the > problem seems to exist. > > I have tried the following: > > - renice the mythfrontend process > - renice the mythbackend process > - set use video as timebase > - set agressive audio buffering > - monitored my local lan (100Mb FDX) to look for network congestion > > Does anyone have any suggestions as to what may be causing this? Is it > a myth problem, or a linux kernel problem? > > FWIW, I captured a number of prebuffering messages in the mythfrontend log: > > 2005-04-07 23:36:45.567 WriteAudio: Preparing 4096 bytes (1024 frames) > 2005-04-07 23:36:45.567 audio waiting for space on soundcard: have 368 need > 4096 > 2005-04-07 23:36:45.574 audio waiting for space on soundcard: have 1676 need > 409 > 6 > 2005-04-07 23:36:45.581 audio waiting for space on soundcard: have 3020 need > 409 > 6 > 2005-04-07 23:36:45.588 Broadcasting free space avail > 2005-04-07 23:36:45.588 WriteAudio: Preparing 4096 bytes (1024 frames) > 2005-04-07 23:36:45.588 audio waiting for buffer to fill: have 512 want 4096 > 2005-04-07 23:36:45.588 Broadcasting free space avail
<snipped> > Thanks in advance - any help would be muchly appreciated > Troy Are you using the latest ALSA release, or have you manually compiled ALSA after having installed the new kernel? A number of people have found that by upgrading to the latest ALSA the pauses have been solved. Nick _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
