[mythtv-users] PVR-250 and MPEG2 question
Jay R. Ashworth
jra at baylink.com
Wed Sep 22 15:57:26 EDT 2004
On Tue, Sep 21, 2004 at 09:20:20PM +0200, Gert van der Knokke wrote:
> >MPEG2 decoding is less processor-intensive than MPEG4. Less decompression to
> >do. MPEG2 is also at least somewhat standardized, while there are umpteen
> >different MPEG4 variants...
> Maybe this is true but my experience is that because the PVR cards are
> recording in quite a high resolution, a slower P3 (read < 600 MHz) might
> choke. I found out for example that a Celeron 400 could handle live TV
> and recordings from a bttv card fine and played most AVI files without
> problems too but stuttered terribly on playing the files recorded by the
> backend after upgrading it to a PVR250 instead of the bttv.
But note that, congruent with Cory Papenfuss's observations, I don't
see here that recording a 720x480 wins you anything over 480x480 -- the
analog section of the card simply hasn't the bandwidth.
Jay R. Ashworth jra at baylink.com
Designer Baylink RFC 2100
Ashworth & Associates The Things I Think '87 e24
St Petersburg FL USA http://baylink.pitas.com +1 727 647 1274
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