[mythtv-users] Re:btaudio works under sox but not MythTV

Joseph A. Caputo jcaputo1 at comcast.net
Sun Jul 27 11:26:29 EDT 2003


On Saturday 26 July 2003 20:49, NICHOLAS ALLEN HALL wrote:
> Yes, the MythTV setup is pointed to /dev/dsp1. If I run dmesg | grep
> btaudio I get:
>
> btaudio: driver version 0.7 loaded [digital]
> btaudio: Bt878 (rev 2) at 01:06.1. irq:4, latency: 32, mnio: 0xde001000
> btaudio: using card config "default"
> btaudio: registered device dsp1 [digital]
>
> So it seems btaudio is using dsp1 just fine.
>
> When I run mythfrontend, I get on the console (after I go to Watch TV):
>
> Changing from None to WatchingLiveTV
> Opening OSS audio device '/dev/dsp1'.
> audio device cannot report buffer state accurately.
> audio/video sync will be bad, continuing anyway
>
> I'm not sure if these MythTV warnings are an artifact of the sound not
> working correctly or have something to do with the cause.

Are you sure you're configuring Myth properly to use /dev/dsp1?  The place 
where you would do that is in the backend setup where you define your tuner 
card, you assign it an audio capture device, which you should set to 
/dev/dsp1.  There is a different setting in the frontend setup that defines 
the audio *output* device.  That one should remain /dev/dsp (as you don't 
want it to try to output to your btaudio device!).

-JAC


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