[mythtv] [Fwd: [mythtv-users] Capturing with Philips SAA7130
based card]
Tim McClarren
tim at 7thheaven.org
Thu Sep 15 00:46:38 UTC 2005
Thanks... I was already aware I could use a filter to do it... I was
hoping that there were some driver options I could pass at load time to
make it do this.
The hardware supports cropping, but I guess the current v4l driver for
this chipset does not.
Michael Haas wrote:
>
> ---------- Forwarded message ----------
> From: Tim McClarren < tim at 7thheaven.org <mailto:tim at 7thheaven.org>>
> To: mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
> Date: Sat, 10 Sep 2005 16:40:22 -0700
> Subject: [mythtv-users] Capturing with Philips SAA7130 based card
>
> I have a cheap card based on the Philips SAA7130.
>
> When capturing video in Myth (Live or otherwise) I get a few pixels of
> black along the left hand side, and some black and grey garbage along
> the bottom. The rest of the image is fine (and includes all of the
> NTSC
> signal, AFAI can tell).
>
> Does anyone know what I can configure in Myth to correct the capture on
> the back end? The chipset supports cropping, I'm not sure the driver
> for Linux does though.
>
> I can futz with playback on each front end to get the image looking
> nicely by overscanning slightly and moving it, but I'd rather crop out
> the garbage so that I can have nicely captured video that looks good in
> my media player, as well.
>
>
>
> http://mythtv.org/docs/mythtv-HOWTO-10.html#ss10.4
>
> Look for the 'crop' filter.
>
>
>
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