[mythtvnz] playback profiles filters

Brett mythicalbeast at slingshot.co.nz
Thu Jun 24 04:37:30 BST 2010


On Thu, 2010-06-24 at 11:26 +1200, Nick Rout wrote:
> On Thu, Jun 24, 2010 at 10:31 AM, Brett <mythicalbeast at slingshot.co.nz> wrote:
> > On Tue, 2010-06-22 at 17:32 +1200, Geoff wrote:
> >> >Is anyone using XBMC for playback ?
> >>
> >> YES - And after you have used XBMC - do you ever use the mythtv frontend
> >> again.... No.
> > Is this due to the GUI interface or the playback quality?
> > Does it integrate well with the Myth BE ?
> >
> > It seems, from the forums at least, that XBMC is the playback benchmark
> > with many software scaling options.
> > It is hoped that the nVidia hq scaling (feature set C) will match this.
> >
> > Myth has an openGL playback filter option 'openglbicubic' scaler.
> >
> > Does anyone use this ?
> >
> > The OP was about the ability to switch playback methods by video format
> > to allow easy use of the openGL scaling.
> 
> And the answer was 'no', unless you can differentiate the codec based
> on the frame size.
> 

I know I posted the answer...


> EG your xvid stuff is likely 576i/p or smaller, where your h264 stuff
> is probably 720p or larger, so if that is universally so then you
> could use the rules mythtv provides.

Easier than that cos it is just DVD playback.
> 
> You could do what you want by using external players, eg mplayer with
> different -vo parameters based on extension, or based on codec by
> using a wrapper script.
> 
Yes could use XMBC, mplayer is worse or same as than Myth internal
player.

> In fact you MAY even be able to develop a script that detects codec,
> then plays with mythavtest, setting the playback parameters via the -O
> parameter.
> 
Yes even i MAY be able to modify an existing script to dynamically
change the playback profiles between openGL & vdpau.

But your suggestion of using mythavtest would be much safer than messing
around in the database..

Thanks.






More information about the mythtvnz mailing list