[mythtv-users] Myth scaling/deinterlacing vs Faroudja

John P Poet jppoet at gmail.com
Sat Jun 24 22:37:10 UTC 2006

On 6/24/06, Brad Templeton <brad+myth at templetons.com> wrote:
> On Sat, Jun 24, 2006 at 11:36:50AM -0600, John P Poet wrote:
> >
> > Unfortunately, your video card gets in the way.  There are very few
> > video cards that can be fed an interlaced video stream.  When you
> > output interlaced, the video card is actually taking  in progressive
> > frame, and splitting it into two fields to send the the tv.
> What do you mean by "video card _fed_ an interlaced video stream."
> Video cards (as opposed to capture cards) output video streams, they
> are not fed them.   Capture cards all handle capturing interlaced streams.

Sure they are ;-)  The video card has to get the video it sends to the
TV from somewhere.  In the case of Myth, the video card is being fed
from data recorded on the hard drive.

If the video on the hard drive is in an interlaced format, it would be
nice if it could be "fed" to the video card in that same format, and
passed onto the TV in that same format.  Unfortunately, I don't
believe you can "feed" most video cards with interlaced data and have
it pass it onto the TV.  If I am wrong, then please give me an


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