We can either use a mutex, or process ksmps at a time where that is the
PortAudio buffer size and have Csound driven by the PortAudio callback, or
revert to v18. To implement blocking IO, the PortAudio API obviously uses a
mutex, so we may be able to reuse this code for a Csound mutex instead of
writing a cross-platform mutex from scratch just for Csound.

Which approach do you think best?

Original Message:
-----------------
From:  jpff@codemist.co.uk
Date: Tue, 13 Jan 2004 07:24:56 +0000
To: csound-dev@eartha.mills.edu
Subject: [CSOUND-DEV:3923] Re: portaudio


As far as I can remember the problem with Portaudio 19 was that it did
not have a working implementation of blocking I/O
==John ffitch


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Just d/loaded a fresh copy of portaudio_v19 but it does not compile 
(multiply defined functions).  I really was hoping to use v19.
==JPff