[mythtv-users] MythMusic audio question

[Richard Shaw]

On Feb 18, 2008 3:39 PM, Phil Bridges <gravityhammer at gmail.com> wrote:

> On Feb 18, 2008 12:33 PM, Richard Shaw <hobbes1069 at gmail.com> wrote:
> >
> >
> >
> > On Feb 18, 2008 7:43 AM, Phil Bridges <gravityhammer at gmail.com> wrote:
> >
> >
> > >
> > >
> > >
> > >
> > >
> > >
> > > On Feb 12, 2008 8:34 AM, Phil Bridges <gravityhammer at gmail.com> wrote:
> > > >
> > > > On Feb 11, 2008 8:51 AM, Phil Bridges <gravityhammer at gmail.com>
> wrote:
> > > > >
> > > > > On Feb 10, 2008 11:09 AM, Phil Bridges <gravityhammer at gmail.com>
> wrote:
> > > > > > I've recently noticed some stuttering when I'm playing tracks in
> > > > > > Mythmusic (Gentoo ebuild 0.20.2_p14282).  I started tailing the
> > > > > > Mythfrontend log, and I find a bunch of these messages:
> > > > > >
> > > > > > 2008-02-10 10:49:38.258 Opening OSS audio device '/dev/dsp'.
> > > > > > 2008-02-10 10:49:39.810 Opening OSS audio device '/dev/dsp'.
> > > > > > 2008-02-10 10:49:42.024 Opening OSS audio device '/dev/dsp'.
> > > > > > 2008-02-10 10:49:44.242 Opening OSS audio device '/dev/dsp'.
> > > > > > 2008-02-10 10:49:47.482 Opening OSS audio device '/dev/dsp'.
> > > > > > 2008-02-10 10:55:00.871 Opening OSS audio device '/dev/dsp'.
> > > > > > 2008-02-10 10:55:09.668 Opening OSS audio device '/dev/dsp'.
> > > > > >
> > > > > > I get one of these every sing change, but it looks like I get
> one
> > > > > > every time the music stutters.  What could be causing this?
> > > > > >
> > > > >
> > > > > Upon further investigation, it appears that my system clock was
> > > > > running fast.  Could this be causing the audio to skip?  I've
> started
> > > > > using ntp on this machine now, but haven't had a chance to use
> > > > > MythMusic.
> > > > >
> > > >
> > > > It looks like the clock issue has been cleared up, and, for the most
> > > > part, Mythmusic is stutter-free.  I have noticed, though, that there
> > > > seems to be an issue with the visualizations.  I have random
> > > > visualizations set up to change with every song.  About 10 seconds
> > > > after a song has started that follows a song showing cover art, the
> > > > previous song's cover art flashes on the screen for about a second.
>  I
> > > > get a slight stutter when this happens.  Any idea what could be
> > > > causing this?
> > > >
> > >
> > > Has nobody else had this problem when using visualizations that change
> > > with every track?
> > >
> > >
> > >
> > > _______________________________________________
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> > > mythtv-users at mythtv.org
> > > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> > >
> >
> > I have not had your particular problem but a suggestion would be to
> switch from using the OSS interface to ALSA.
> >
> > Richard
> >
>
> OSS / ALSA shouldn't have anything to do with the visualizations,
> should it?  Besides, I think the only OSS is the ALSA emulation - I
> don't have OSS installed on this machine.
>

Probably not, but it would be worth trying to see if it solves your
stuttering problem...

Richard
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