17 May
2016
17 May
'16
2:18 p.m.
On Tue, 17 May 2016 08:08:00 -0400, Paul Davis wrote:
Hi Paul,
thanks for your input! I'm aware of "most" of the design issues of that
code. It's only an example that I've done to understand basic libsndfile
api (or just an excuse to write something fun in C ;) )
My next version will be better, but it will mantains the push model in
the api, in order to keep things very simple.
Thanks again,
Andrea
Your design is way too simple and fundamentally
wrong.
If you want low latency you need to use a pull model (aka callback
model)
for audio i/o to the device. Let the device tell you when it wants audio
data, and deliver it,on time, without blocking (which means no on-demand
file i/o in the same thread as the device audio i/o). See
http://www.rossbencina.com/code/real-time-audio-programming-101-time-
waits-for-nothing