On Thu, Jul 20, 2000 at 01:15:07AM -0400, douglas irving repetto wrote:
>
> hi there linux-sound,
>
> i'm working on a linux sound app. my signal processing loop runs in its
> own thread. whenever i do a full drawing update of my GUI, i get a
> glitch in the sound output. my CPU usage goes up during the redraw, but
> not very much. does anyone know what's happening and how i can avoid it?
> i would think that doing the graphics and the sound in seperate threads
> would shield the one from the other, but apparently that's not the case.
> is this an XWindows issue perhaps?
your thinking is pretty much correct (as threads in Linux are
independently scheduled). What's most important is which thread is
writing to the sound device -- make sure you're not doing your
write()s in the same thread as dealing with X events.
If that's not the case... can we see the code?
Conrad.
