[mythtv-users] Feature Request: ALSA output

Schlomo Schapiro ivtv at schlomo.schapiro.org
Mon Jul 26 02:22:14 EDT 2004


yes, I found it also out now - by looking at the source, though.

But the mixer seems to be only OSS, judging by the code in 
volumecontrol.cpp. So what about ALSA mixer ? My i8x0 for example needs to 
adjust the Headphone volume control and not the Master. But in 
volumecontrol.cpp the OSS mixers are hardcoded.


PS: Could this ALSA:* namespace info be added to the documentation ? It is 
not obvious.

On Sun, 25 Jul 2004, J. Donavan Stanley wrote:

> Schlomo Schapiro wrote:
> >Hi,
> >
> >well, but this just uses the ALSA OSS kernel emulation via /dev/dsp. I am 
> >asking about native ALSA support. In the GUI there is also no place to 
> >specify the ALSA device, only which /dev/dsp to use (same for mixer).
> >
> >I tried disabling the kernel OSS emulation and got an error message that 
> >it cannot open /dev/dsp.
> >
> >The verbose logs show indeed, that it uses the OSS audio output. How would 
> >I make it use ALSA instead ? There doesn't seem to be a configuration 
> >option for that ...
> >  
> >
> You have to compile with native ALSA support enabled and then use an 
> ALSA device (such as "alsa:spdif") for your output device.  All this and 
> more is easily discovered by a quick trip to the mailing list archives.
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