[mythtv-users] Audio glitches on EPG and local commercals

[John Morris]

Finishing up my upgrade to a HDHomeRun Prime from a PVR-350 and
generally enjoying the joys of HD.  One of the annoying glitches is that
now if I pull up the Guide while watching LiveTV the sound often
glitches.  Hit PageUP or PageDown and it is almost 100% certain to do
it.

Have tried just about everything in the archives and Wiki.  Twiddled
settings in Myth.  Tried keeping the CPUs running at 100% instead of
letting them loaf at 1GHz.  And so on.  Then I noticed this in a verbose
log:

Lots of

AO: Pause 1

quickly followed by

AO: Pause 0

Eh?  It is pausing the audio intentionally?  Or am I reading that right?

Details on my system:

Mythtv 0.24.2fixes installed from Debian-multimedia on Debian 6.0
updated as of this week.  Hardware is an Athlon64x2 @ 2.5GHz with a
GeForce 210.  Using VDPAU for HD.  Connected to a TV through HDMI and
sending the sound through the TV on out an optical cable to a 5.1 amp.

Second glitch is that the local cable company is really hosing the
stream when they insert local commercials.  They do appear to be holding
the resolution constant but the audio drops from 5.1 to stereo when they
go to/from local and the amp has to reacquire.  Annoying but bearable.
What is more of a problem is that the frontend occasionally bails on
those transitions.  And a couple of times it has hung requiring a kill
be sent to it.  The changelog for 0.25 seems to imply work in this area
so as soon as it appears in the repo I plan to update and hope this one
goes away.
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