[mythtv-users] cat /dev/video > test.mpg

John Brooks iresprite at gmail.com
Wed Feb 1 21:21:19 UTC 2006


Interesting. I tried doing the same trick with my PVR-250 card, and xmms
wouldn't recognize the file as a valid mpg file. Why would that be? I can
normally get live tv video (though no audio yet).

On 2/1/06, Joseph A. Caputo <jcaputo1 at comcast.net> wrote:
>
> On Wednesday 01 February 2006 13:45, Dave Bixler wrote:
> > If my capture card is operating properly, would:
> >
> > cat /dev/video > test.mpg
> >
> > produce a valid MPEG file?  The capture card I'm using is a Hauppauge
> > WinTV Go Plus.
>
> No.  You have a simple framegrabber card; it does not encode into MPEG.
> To test it, use xawtv or tvtime.
>
> > The reason I'm asking is that the file that is produced does not seem
> > to be valid.  Would this, therefore, be a symptom of a larger
> > problem?
>
> Yes.  The larger problem being that you're trying to use the card like
> you would use a PVR-250 or similar card.  It won't work that way.
>
> -JAC
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