Gerd Knorr wrote:
> In lists.linux.v4l, you wrote:
> >
> > Just curious, is that technically feasible to use bttv to
> > display two channels at once?
> >
> > I figure it should be possible in THEORY to at very least switch bttv
> > between two channels every frame rate, and thus making each channel at
> > half of its normal frame rate.
>
> No. The bt848 chip needs some time to resync the picture after switching
> channels, so you can't switch every frame. You'll have at least one
> broken frame inbetween, i.e. for two stations I think you can't do better
> than ~ 6-7 fps.
>
It is possible to switch between cameras at frame rate if the cameras are
synchronised.
Alan
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