Hi!
> Thanks for the response, I want to test sound driver releated testing to do 
> playback and capture where, User needs to confirm playback and capture 
> functionlity.
> 
> So, based on User feedback I want flag the testcase pass or fail.

What about physically plugging the output cable to the capture input?
That way you can check that you have recorded something similar to the
sound that has been played. Exact matching would be really hard, but if
you play something like 1Hz sine wave you can simply use fftw library to
match the frequency...

-- 
Cyril Hrubis
[email protected]

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