[mythtv-users] XvMC playback problem

[Richard Scott]

Just thought I'd add a 'me too' to this one. using the latest atrpms
20.2 build.

I get this problem on a frontend with an Nvidia fx5200, but not on the
other MiniITX frontend (using the S3 OpenChrome drivers). Both are using
XvMC..

-------- Original Message --------
Subject: Re: [mythtv-users] XvMC playback problem
From: Steve Smith <st3v3.sm1th at gmail.com>
To: Discussion about mythtv <mythtv-users at mythtv.org>
Date: Mon Sep 24 2007 18:09:46 GMT+0100 (GMT Daylight Time)

> 
> 
> On 24/09/2007, *James Fidell* <james at fidell.co.uk
> <mailto:james at fidell.co.uk>> wrote:
> 
>     Steve Smith wrote:
> 
>     > Let me guess, you're recording DVB (e.g. DVB-T/Freeview) streams
>     right?
> 
>     Got it in one :)  Specifically Freeview.
> 
>     > If so then I encountered the same problem, it turned out to be
>     when the DVB
>     > stream contained more than one audio stream the playback would stutter
>     > terribly.
> 
>     I did wonder if the problem might be something like that.  For the first
>     programme I've checked (the repeats of Torchwood on BBC3) there appear
>     be two audio streams.
> 
>     However, almost all of my recordings appear to have two audio streams
>     (according to mplayer -v).  Is mplayer lying to me? (BBC1 & BBC2 seem to
>     be a mixture of one and two streams; BBC3 appears to be all two streams)
>     Could the problem be slightly more complicated than that?
> 
>     > I created a quick and dirty fix for mine that records only the
>     first audio
>     > stream I find (for the channel). Although logically this might
>     encounter
>     > problems (I should really look for the first stereo audio stream), in
>     > practice I've encountered no problems....
> 
>     If I could work out how to, say, strip the second audio channel from the
>     transport stream from a recording I know doesn't work and play the
>     result back with mythtv that might be useful, I guess.  Sadly we're now
>     beyond the limits of my understanding :(
> 
>     James
>     _______________________________________________
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> 
> 
> Unfortunately I haven't figured out how to strip an audio channel from
> an existing recording, only stop it from recording in the first place.
> With your system you'll find that the recordings play fine with XvMC
> turned off.
>  
> Cheers
> Steve
> 
> 
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