Neat, thanks for doing this! Ricardo and I just had a meeting today about the regression/sanity test suite for Ubuntu LEBs, and this should definitely be one of the tests in it.
Thanks, Paul Larson On Mon, Nov 28, 2011 at 8:01 PM, Kurt Taylor <kurt.tay...@linaro.org> wrote: > Hi everyone, > > Last week I did an initial drop of the end to end audio test we have been > discussing. > > The idea is fairly simple, play a sine wave and test the audio stack by > sampling/testing the sine back in via loopback cable. The app is called > testfreq and is driven by a script called e2eaudiotest. It opens and > configures the audio device, takes a sample and then does a discrete > fourier transformation to find the frequency using the fftw3 library. The > test script driver uses speaker-test to play a sine wave at A 440, which > for now is the test frequency. It's still basic at this point, but it does > work on my system. There is a lot of additional things I'd like to do, > initial stack configuration, passing in the device, passing the test > frequency, doing more auto detection, clean up the code, etc, but I wanted > to start getting feedback. Any and all would be appreciated. > > Have a look, and if you have a loopback cable, give it a spin: > > http://git.linaro.org/gitweb?p=people/kurt-r-taylor/e2eaudiotest.git > > You can also read more about it and check my progress here: > > > https://blueprints.launchpad.net/linaro-multimedia-project/+spec/linaro-mmwg-e2eaudiotesting-basic > > Enjoy! > > -- > > Kurt Taylor (irc krtaylor) > Linaro Multimedia > Linaro.org <http://www.linaro.org/>* **│ *Open source software for ARM > SoCs > Follow *Linaro: *Facebook <http://www.facebook.com/pages/Linaro> | > Twitter<http://twitter.com/#%21/linaroorg>| > Blog <http://www.linaro.org/linaro-blog/> > > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev > >
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