[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.

-- jra
Jay R. Ashworth                                                jra at baylink.com
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