[pulseaudio-discuss] [PATCH 8/8] tests: adding lfe-filter-test

Alexander E. Patrakov patrakov at gmail.com
Tue Mar 24 21:57:10 PDT 2015

25.03.2015 06:07, Raymond Yau wrote:
>  >
>  > so far, this test only includes rewind test, it works as below:
>  > let lfe-filter process 2 blocks mono lfe channel audio samples, the
>  > sample format is PA_SAMPLE_S16LE, save the processed data to the temp
>  > buffer, then rewind the lfe-filter back 1 block and 1.5 blocks
>  > respectively, reprocess the audio samples from the rewind position,
>  > then comparing the output data with previously saved data.
>  >
> What happen when the cause of rewind is the user changing the volume of
> the speaker or subwoofer (hardware and software volume) ?

Some rewind will happen. It will not generally be aligned to the 
memblock boundary. I.e. a thing will happen that this patch tests.

Alexander E. Patrakov

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