[mythtv-users] How to configure 2 capture cards to use the samevideo source?

Joseph A. Caputo jcaputo1 at comcast.net
Mon Mar 29 16:48:18 EST 2004


On Monday 29 March 2004 16:21, William wrote:
> > It's pretty simple... just define a single video source, and
> > connect it
> > to both cards.  For instance, I have 2 M-179's that both tune
> > analog cable.  So I have:
> >
> > Video Source:  Comcast-Cable
> >
> > Connections:
> > /dev/video0:Tuner0 -> Comcast-Cable
> > /dev/video1:Tuner0 -> Comcast-Cable
>
> I have tried that. I get one encoder that works and the other encoder
> simply gives a blank screen. After a few moments the live tv screen
> goes back to the watch tv menu.
>
> The two cards are set up as follows:
>
> card1:
> video: /dev/video0
> VBI:   /dev/vbi0
> audio: /dev/dsp
> default input: S-Video0
>
> card2:
> video: /dev/video1
> VBI:   /dev/vbi1
> audio: /dev/dsp1
> default input: S-Video0
>
> The only funny thing I notice is there is not a dsp0,dsp1,dsp2, etc
> like the rest of the devices. Could this be the problem?

You don't need dsp devices to capture with PVR-250s; and the VBI devices 
are not supported for these cards (yet).  So all that matters is the 
video device.

Can you post the contents of the following tables from your mythconverg 
database:

capturecard
videosource
cardinput

-JAC


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