On Fri, 15 Feb 2002, pete wrote:
> Hi there,
>
> I need to output 3 independent stereo streams on my CM8738, but i'm
> having trouble addressing the card in 'Multi-channel' mode - where I
> should be able to open the first DAC on the card using 6 channels, and
> play interleaved data out of the 3 analog stereo outputs.
>
> I can get 2-channel mode working - i.e. the front DAC works in simple
> stereo, and I can access the second pair of channels i.e. 'rear' using
> hw:0,1, but i can't figure out how to access the last channel pair
> (center/bass) or how to send interleaved data to them all at the same
> time, which would be ideal.
>
> Can anyone give me some hints or skeleton code that puts the CMI8738 in
> a suitable mode and outputs a sine wave on all 6-channels?
cd alsa-lib/test
make pcm
./pcm -D surround51 -r 48000 -c 6
or simply:
aplay -D plug:surround51 <some_wav_file>
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project http://www.alsa-project.org
SuSE Linux http://www.suse.com
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