[mythtv-users] Yet Another PVR350 TV-Out Question

Chris Delis cedelis at uillinois.edu
Fri Dec 19 23:49:10 EST 2003


On Sat, Dec 20, 2003 at 04:13:05AM +0100, Michael Schmidt wrote:
> Hello Everybody,
> 
>   I struggled the last few days with getting my PVR 350 to work with MythTV.
> Now it finally works and I even got the PAL TV-out working. ;) There remains
> one problem though.
> 
> Am I right that the TV-Out of the PVR350 can only be used for watching Live
> TV and recordings? When I try to play a movie  that isn't decoded in
> hardware, playback is so choppy it's unwatchable. I guess this is because
> the PVR can't scale the picture in hardware.
> 
> So if I want to use anything beside live TV (transcoding, mplayer) if have
> to use the TV out of another graphics card. And this would suck because the
> quality of the PVR350 is pretty impressive... Or is there something I am
> missing?

Recently, I asked about an mplayer patch that works with the PVR350 TVOUT
and tmk answered with the following which helpmed me:

	Here's my patch (And the thread that describes it) for
	mplayer

	this only works for outputting mpeg streams to the
	pvr350 on /dev/video16. I use it for playing DVD's
	only, and it works great for me.

	http://www.poptix.net/ivtv/Dec-2003/msg00194.html

	A'rpi WILL write a patch for mplayer to do generic
	decode once we finish yuv support. I'm waiting on some
	stuff from jens at the moment, but i probably won't
	wait longer than monday before i just do it myself.

	-tmk

The patch worked for me!  However, I only played back DVDs so far.  I
don't know if any other formats work (they might).

Here's a script that worked for me:

ivtvfbctl /dev/fb0 -localalpha
mplayer -ao alsa9:/dev/dsp -framedrop -vo mpegpes:/dev/video16 -dvd-device /dev/cdrom dvd://
ivtvfbctl /dev/fb0 -nolocalalpha

Good luck,

Chris


> 
> Rock on,
> 
>    Michael
> 
> 
> 
> 
> 

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