[mythtv] frontend not handling audio sample rate changes

Isaac Richards ijr at case.edu
Sun Feb 13 08:06:03 UTC 2005


On Sunday 13 February 2005 01:17 am, Isaac Richards wrote:
> On Saturday 12 February 2005 11:19 pm, Jim Westfall wrote:
> > Hi
> >
> > I finally got a frontend box fast enough to handle HD mpeg2 via firewire
> > and have notice that the frontend isnt handling audio sample rate
> > changes.
> >
> > When I switch from HD -> SD the sample rate usually goes from 48000Hz to
> > 32000Hz on the mpeg stream.  When this change happens its detected by the
> > decoder, but the information is never passed back up to the
> > nuppelvideoplayer to reinit the audio.  I end up with everyone sounding
> > like mice and frame drops from the player trying to keep audio/video in
> > sync.
> >
> > I think I know what the issue is but am not sure how to go about fixing
> > it.
>
> Is there any chance you can provide a short-ish test clip with this
> happening? It'd be easier for me to fix that way..

(Jim sent me a clip off list).

This should now be fixed in CVS.  I don't _think_ I broke the AC3 stuff 
addressed by Mark Anderson's patches, but there's always that chance.

Isaac


More information about the mythtv-dev mailing list