[Alsa-user] documentation for error codes?

2020-06-05 Thread D. R. Evans
Many functions say about the return value: 0 on success otherwise a negative error code Where is the documentation for the various possible "negative error code"s? I am seeing a -32 under a specific set of circumstances, but don't know what that returned value means, or even what header value

[Alsa-user] detailed documentation for plug plugin?

2020-06-05 Thread D. R. Evans
This is a follow-on to the topic started in e-mail <62e4a031-f175-70bc-099f-441fa0623...@gmail.com> I have a machine on which the following works for reading audio: device: default [which is actually hw:0,0,0] rate: 44100 [which is all that the raw device supports] And the following