On Wed, 19 Dec 2007, Miloslaw Smyk wrote: > Hi, > > My app needs to know about the events occurring to a sound card. > Specifically, I am interested in start, stop, pause and volume change. > While I could monitor volume by similar means as alsamixer does (is > there any doc on this apart from the source code?), I am not sure if > monitoring other events is at all possible. I would appreciate any > suggestions as to how to do this. You may write a simple monitor plugin to alsa-lib and create an interface to send these events to your code (shm, socket or so). Or you can monitor (periodically read) /proc/asound/card/ files (but they won't tell you the reason why stream stopped). Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
