[mythtv-users] Sluggish Video

[Kevin Ross]

On 11/30/2010 01:12 PM, mike at grounded.net wrote:
>>   I think you can just do a "sudo killall pulseaudio" to test
>>   temporarily.  In MythTV, go to the audio setup page, and hit the "scan
> Tried that, didn't change the video sluggishness.
>
>>   for audio devices" button (or whatever its called).  Then select the
>>   appropriate device, probably the one that begins with "front".
> I don't see any such function anywhere, for scanning audio device in myth?
>
>>   Also, run alsamixer, and make sure none of the outputs are muted.
> Don't appear to be.

How about taking a step back.  Let's see if the problem is the source, 
or MythTV.  Try "cat /dev/video0 > testfile", let it go for several 
seconds, then hit Ctrl-C to stop it.  Then try playing the resulting 
file with mplayer or VLC or whatever.