[mythtv-users] Now it's just plain old jittery

[Kevin Kuphal]

Greg Stark wrote:
> Ok, I've defeated the X driver issue reporting bogus dot clocks. I made an
> LD_PRELOAD library with XF86VidModeGetModeLine that returns a dot clock of 0.
>
> But now it's still jittery. It seems to play fine for a second or two and then
> pause briefly. The system is 80-90% idle though, I don't think it's having
> troubling keeping up.
>   
In looking at my playback with XvMC, I'm getting horrible results with 
it.  I noticed my logs had:

2006-03-28 17:57:38.157 Refresh rate: 16579, frame interval: 33366

While yours were equal on either side.  And I get also alot of:

2006-03-28 18:00:56.451 NVP: Audio is 3.78394 frames ahead of video,
                        doubling video frame interval.
2006-03-28 18:00:56.516 NVP: Audio is 3.37742 frames ahead of video,
                        doubling video frame interval.

and

2006-03-28 18:00:54.378 NVP: progressive frame seen after 1 interlaced  
frames
2006-03-28 18:00:54.477 NVP: interlaced frame seen after 3 progressive 
frames
2006-03-28 18:00:54.544 Set video sync frame interval to 33366
2006-03-28 18:00:54.544 Enabled deinterlacing
2006-03-28 18:00:54.643 AFD: positionMap[ 755 ] == 9060472.
'video_output' mean = '33683.97', std. dev. = '7028.82', fps = '29.69'
2006-03-28 18:00:55.741 AFD: positionMap[ 788 ] == 9462416.
2006-03-28 18:00:55.773 NVP: progressive frame seen after 38 interlaced  
frames
2006-03-28 18:00:55.842 NVP: interlaced frame seen after 2 progressive 
frames
2006-03-28 18:00:55.905 NVP: progressive frame seen after 2 interlaced  
frames
2006-03-28 18:00:55.937 AFD: positionMap[ 794 ] == 9553596.
2006-03-28 18:00:55.973 Set video sync frame interval to 33366
2006-03-28 18:00:55.973 Disabled deinterlacing

and prior to all this

2006-03-28 18:00:28.103 Trying XvMC port 119
2006-03-28 18:00:28.103 VideoOutputXv: Adaptor: 3 has flag[s]: 
XvInputMask XvVideoMask
2006-03-28 18:00:28.104 XvMCSurfaceTypes::find(w 528, h 480, chroma 1, 
vld 0, idct 1, mpeg2, sub-width 0, sub-height 0, disp, p<= 120, 1200 
<=p, port, surfNum)
2006-03-28 18:00:28.104 Trying XvMC port 120
2006-03-28 18:00:28.104 VideoOutputXv: No suitible XVideo port found

I'm concerned also about the last line.  I hope someone with some 
knowledge may have some input...

Kevin