At Thu, 19 Jan 2006 13:55:38 -0600, Joel Bison wrote: > > On 1/19/06, Takashi Iwai <[EMAIL PROTECTED]> wrote: > > At Wed, 18 Jan 2006 22:50:36 -0600, Joel Bison wrote: > > > > > > I'm having some interesting trouble getting dmix to work properly with > > > snd-cs46xx, using the 1.0.10rc1 bundled with 2.6.14.3 kernel. If I > > > run two instances of "alsaplayer -o alsa -d plug:dmix file.mp3", they > > > both appear to run properly (e.g., time and progress meters increase), > > > but no sound is produced. Using dmix via asound.conf behaves > > > similarly. Alsaplayer plays fine when allowed to have exclusive > > > access to the sound device (i.e., with no "-d plug:dmix"), but a > > > second such instance blocks until the first exits. > > > > > > A subquestion here is: why is concurrency not working automatically, > > > without "-d plug:dmix"? I read that my >= 1.0.9rc2 ALSA defaults to > > > using dmix for non-hardware-mixing soundcards, which includes my > > > CS4624-based Cirrus Logic soundcard (as per the soundcard matrix). Is > > > that maybe the real problem, with the explicit dmix just confusing > > > things? > > > > cs46xx doesn't require dmix as long as you compile with CS46XX_NEW_DSP > > option. It supports h/w mixing. > > Thanks for the reply, Takashi. > > Thing is, I have CS46XX_NEW_DSP turned on, and yet I'm getting the > second sound access blocking rather than mixing. Is there something > special I have to do to enable hardware mixing?
No, it should work as it is. Could you check whether you really compiled with NEW_DSP config by the number of substreams listed in /proc/asound/card0/pcm0p/info? Also, how did you test the multiple playbacks? As a simple test, try to run "aplay somefile.wav" on two terminals at the same time. Takashi ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
