[mythtv-users] Input stops working in HD LiveTV

[Jason Gillis]

>> So, I've got an interesting problem when watching HD livetv in mythtv
>> on my appletv (mythbuntu-hardy).
>>
>> Basically, when I watch LiveTV in myth, input stops working when the
>> program is an HD program (720p or 1080i).  Keyboard commands and
>> remote (MCE USB) buttons via lirc don't seem to do anything.  The only
>> thing that responds is the ESC/exit button to get me out of livetv,
>> but I have to hit that twice for it to work.  If I hit 'y' early
>> enough in the beginning of the watch LiveTV process, I can switch to a
>> tuner that's not HD and everything works fine.
>
> I tried disabling Xrandr resolution switching this morning to see if that
> was part of the problem, but saw no difference in behavior.
>
> I also did some reading in the FAQ and the problem sounds vaguely like a
> focus problem, but I can't see how I'd lose focus when using the internal
> player.  Also, since I'm using the internal player to watch existing
> recordings, I'd expect the same behavior there.
>
> I also verified that keyboard input works when watching HD programming in
> livetv on the backend system, so it doesn't appear to be related to
> something on the backend.
>
> Any ideas that someone might have would be really appreciated!

OK, so I was able to get some response from the system today during livetv. 
It looks like the problem is the choice of OSD Renderer in the Playback 
Profile.  I'm using ia44blend, as it requires less resources.  For some 
reason, this doesn't render at all in LiveTV, but does in other modes 
(recordings, videos).

If I choose chromakey as the OSD Renderer, I get OSD, but the performance is 
poor.  Lots of stuttering, etc.

I'm going to have to try to figure out why the OSD doesn't get rendered in 
LiveTV mode, but does in others.

Thanks everyone who had suggestions!

Jason