At Wed, 19 Dec 2007 18:56:17 +0100, Michael Voigt wrote: > > My question: what is snd_pcm_write in pcm_native.c good for? Is it only there > to keep ALSA compatible to older versions of alsa-lib? Yes, exactly. Some apps (e.g. older version of sox) used directly read/write, and this is also for them. Takashi