[gentoo-user] v4l need tuning?

[Matt Harrison]

Hi List,

I got a capture card (4 port composite) ages ago, and I remember I had 
it working perfectly.

I've just reinstalled it into a fresh gentoo box and connected one of 
the cameras, and all I'm getting is noise. I know its a real image as 
when I put my hand over the camera lens, the image goes black, still 
distorted but black.

 From what I've been able to tell from a bit of poking around, it seems 
that the Hsync of the camera or card isn't set right and is causing this 
distortion.

I can't give you the exact card model as I've lost all the paperwork, 
but it does come up as a bt878 generic card. Originally I was having 
timeouts but solved that with a pci slot change.

I've got almost no real knowledge of v4l so I'm pretty lost as to what I 
should be looking at next.

Any help would be much appreciated.

Thanks

Matt