[mythtv-users] How do you compile with support for TV Out on PVR 350?

Bruce Markey bjm at lvcm.com
Sat Nov 1 14:32:52 EST 2003


Jim Paris wrote:
>>>This is called 'overscan', and it's perfectly normal.  If it didn't act 
>>>like this, the horizontal scan lines from the card wouldn't line up with 
>>>what's on the TV, and everything would look like crap.
>>
>>So are you saying that the framebuffer strictly fills the
>>raster at 480 lines with no horizontal scaling? And therefore,
>>an Nx480 capture is guaranteed to align each scan line of the
>>capture with the same scan line in the TV-out NTSC signal
>>(provided VertScanPercentage is 0)? If so, I'll buy one of
>>these today ;-).
> 
> 
> For the PVR-350, yes, the MPEG decoder always outputs 720x480 and
> aligns the scanlines exactly.  This is independent of
> VertScanPercentage, since it's the hardware doing it.

I see. I have a bunch of bttv cards and MPEG4 recordings. Can
the 350 TV-out display video that isn't decoded by it's hardware
decoder? I assume it can but maybe I've mis-understood.

--  bjm
 



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