On Tue, Sep 2, 2008 at 2:20 PM, Ruud Klaver <ruud at ag-projects.com> wrote: > Hi, > > When Portaudio in PJSIP uses OSS instead of ALSA on linux, my program > just hangs and consumes 100% cpu time. Does anyone else experience this? > > I have an strace of this happening right here: > http://usr.cnix.ro/luci/strace.txt > As you can see Portaudio keeps writing 00 bytes to /dev/dsp. > > The 00 bytes probably is just silence PCM frames, so that's probably normal. No idea about the 100% CPU usage, but does it happen with call or just "cc 0 0" will do it? You can try with different --clock-rate/--snd-clock-rate (hoping to find one that's native to your sound card) and/or larger --ptime if it helps. Cheers Benny > For the record, ALSA works just fine. > > Ruud Klaver > AG Projects > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080902/c0359ea3/attachment.html