[alsa-devel] ALSA problems with simultaneous Capture and playback

[Lee Revell]

On 5/9/07, Nobin Mathew <nobin.mathew at gmail.com> wrote:
> One read and write handle 256 frames.
>
> Write seems to be OK, but read fails
>
> State 4 is SND_PCM_STATE_XRUN
>
> why this XRUN is happening?

If your hardware buffer is small you may need to run your application
with realtime priority (SCHED_FIFO) to avoid xruns.

I guess this is a custom driver?  Please post a link to the source code.

Lee