John Lindgren wrote: > On Thu, 2010-06-03 at 08:40 +0200, Clemens Ladisch wrote: > > Alsa-lib is not thread safe. > > From http://alsa-project.org/main/index.php/Main_Page: > > ALSA has the following significant features: > ... > SMP and thread-safe design. > > So, that's a big lie? That applies to the kernel code. Most functions in alsa-lib must not be called at the same time on the same device handle. (Don't ask me where this is documented.) > > ... poll() > > Would it work to simply call snd_pcm_wait? Yes. (I usually suggest poll because the code that writes audio data often wants to be informed of some other event. If your writing loop doesn't need to be interrupted, snd_pcm_wait works just fine.) Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
