[alsa-devel] virtual sound driver

Liu, George yueliu at lab126.com
Sat Jul 21 03:05:40 CEST 2012

I'm trying to write a virtual sound driver to capture PCM data.
How do I modify dummy.c to capture PCM into buffer?

Does the PCM data ever sent to any of the pcm_op call backs? There's no read/write callbacks?

Thanks so much.


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