Yair K. kirjoitti: > On Tuesday 19 August 2008 15:57:47 Hannu Savolainen wrote: > >> Ok. >> >> I split oss_audio_chpoll() to separate input and output handlers. Now >> poll/select will report available data if dmap->interrupt_counter > 0. >> This counter gets incremented at each fragment boundary. Calling >> GETIPTR/GETOPTR clears the counter to zero. I think approach should work >> because every mmap application will make these calls. >> >> Best regards, >> > > Following this change, aRts takes 100% CPU and aborts. strace output is > attached (I didn't try to play anything, just start and SIGINT). > This change will drive the CPU to 100% if the app doesn't call GETIPTR/GETOPTR to clear the counters every time after select/poll has reported device ready. If you change pulseaudio to do these calls (even it doesn't need the info) then select/poll should work OK.
Best regards, Hannu _______________________________________________ oss-devel mailing list oss-devel@mailman.opensound.com http://mailman.opensound.com/mailman/listinfo/oss-devel