[mythtv-users] Playback acceleration

[Joseph A. Caputo]

On Friday 23 January 2004 17:47, Kevin Kuphal wrote:
> 
> That's what I was wondering.  If there was an MPEG-2 option in MythTV, then
> it would help?
> 
> kevin

The only way to record MPEG-1/2 in Myth is with a hardware MPEG encoder like 
the PVR-x50, M-179 or Yuan cards, or with a HDTV card like the pcHDTV.  With 
those cards, the recordings made by Myth can be accelerated at playback with 
XvMC or PVR-350.

-JAC

> 
> > -----Original Message-----
> > From: mythtv-users-bounces at mythtv.org 
> > [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Joseph A. Caputo
> > Sent: Friday, January 23, 2004 4:05 PM
> > To: Discussion about mythtv
> > Subject: Re: [mythtv-users] Playback acceleration
> > 
> > 
> > On Friday 23 January 2004 14:32, Kevin Kuphal wrote:
> > > I have a question regarding playback.  My current MythTV 
> > setup uses a 
> > > WinTV 401 card for capture and I'm outputting via VGA from 
> > my Voodoo 
> > > 5500 AGP card to my TV using a VGA to NTSC converter that 
> > works much 
> > > better for my rear projection TV than any TV-OUT I've found.
> > >
> > > I have an ATI All-in-Wonder Raedon that I ripped out in 
> > place of the 
> > > WinTV 401 because of the unsupported capture features of 
> > the card. I'm 
> > > considering putting it back in because it provides hardware 
> > > acceleration of MPEG via XvImage.
> > >
> > > If I substitute my ATI card for my Voodoo 5500 using the gatos 
> > > drivers, will I still enjoy the MPEG acceleration on the 
> > VGA output as 
> > > opposed to the TV output?
> > >
> > > Also, does it matter if I'm capturing TV using MPEG-4 vs. RTJPEG in 
> > > terms of applying this acceleration.
> > >
> > > Thanks,
> > > Kevin
> > 
> > If you're recording with a WinTV 401 card, then you won't benefit at 
> > all.  MPEG (decode) acceleration is only for MPEG-1 & MPEG-2. 
> >  It won't 
> > help at all for MPEG-4 or RTjpeg.
> > 
> > -JAC
> > 
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> > 
> 
> 
>