[Portaudio] loopback test is finding some bugs
pburk at mobileer.com
Thu Mar 3 13:24:27 EST 2011
> If I'm reading your test results correctly, it appears all of your
> pops occur at 44.1 kHz. Is this simply the result of the way your
> test is set up?
I only test buffer sizes at 44100.
In the loopback test I scan all the sample rates with
freamesPerBuffer=0. Then I scan a bunch of buffer sizes with
sampleRate=44100. You can override the bufferSize and/or sampleRate.
I used to scan every combination of sampleRate+framesPerBuffer but it
took too long. I may add that back as an option. It's easy to change the
high level test pattern now that the DSP code is working. I may add
--complete , complete matrix of possible combinations of settings
--duration=# , duration in seconds for each capture.
--interleaved , only test using interleaved buffer (currentl default)
--nonInterleaved , only test using nonInterleaved buffers
--fullDuplex , only (currently test both half and full)
--halfDuplex , only
I may also add a scan over a range of latency settings, or maybe a
binary search for the lowest latency setting that does not pop...
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