At Mon, 25 Feb 2008 09:22:41 -0600, Timur Tabi wrote: > > Can someone explain to me the exact method that ALSA uses to detect underrun > with OSS emulation? I have a driver that reports underrun on almost every > period when I use OSS emulation and I'm playing with a non-supported sample > rate. So I'm assuming that maybe my hardware is playing the audio too fast or > too slow, and the driver is returning periods before ALSA expects them. What I > don't understand is: how does ALSA know that a period was finished too early. > Does it use a timer, or is it purely application driven? It's just as same as on ALSA native API, checks the validity of the current position reported by pointer callback in snd_pcm_period_elapsed(). Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel