[MEncoder-users] Need some hints for my tv recording concept

[Matthias Wieser]

Am Dienstag, 30. August 2005 19:02 schrieb Rich Felker:
> On Sun, Aug 28, 2005 at 11:30:24PM +0200, Gerhard Brauer wrote:
> > # ------------ OUTPUT --------------------#
> > ##
> > ### VIDEO
> > VID="lavc"      # -ovc
> > VIDOPT="-lavcopts
> > vcodec=mjpeg:mbd=1:aspect=4/3:abitrate=128:acodec=ac3:mv0:nr=10"
> > ##
> >
> > With this i get a 544x408 video and this resolution is about the max
> > what my pc could record without overfulled video buffer.
>
> Never use any height except full (480 for ntsc, 576 for pal) or half
> (240 for ntsc, 288 for pal). Anything else will give bogus, damaged
> output.

That's not totally true. At least (some?) saa7134 cards have an nice 
deinterlacer. For example, capturing PAL with 640x480 results in a nice 
progressive video without interlacing artefacts.

 Matthias