ALSA: fix buffer size / period size configuration #1
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With ALSA, the buffer size is `nperiod * period_size`. We want 2 periods. The default was far too large, 1024 samples is a much more reasonable default (still too large for real-time audio). Fixes RustAudio#913
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With ALSA, the buffer size is
nperiod * period_size. We want 2 periods.The default was far too large, 1024 samples is a much more reasonable default (still too large for real-time audio).
Fixes RustAudio#913