Re: [alsa-devel] Clicking and stuttering audio when playing two or more files

On Thu, Jul 15, 2010 at 01:21:47PM -0400, Adam Rosenberg wrote:

I have audio output perfectly from my second CS42448 CODEC now, but only when one file is playing. When I attempt to play two files, one or both of the files play with clicking and stuttering. I am also

Clicks and stutters usually mean that you're not managing to keep the data flowing into the audio controller quickly enough to keep it from underrunning.

noticing that the PCM prepare operation is occurring more than once. What could be causing this problem?

I'd expect prepare to be called for each data stream.