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A comment on Making Sense of the Audio Stack on Unix. Parent comment

Re:Making Sense of the Audio Stack on Unix by jcelerier on Monday February 08, 2021 @03:33AM (#26062061)
The problem is that the OSS model of needing to call read/write for audio I/O is pretty hard to fit with the expected pro audio model of "get a callback called when data is ready", likely through some hardware interruption.
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Re:Making Sense of the Audio Stack on Unix by trasz on Monday February 08, 2021 @04:36AM (#26062451)
OSS supports mmap, at least on FreeBSD.
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