Just another data point - if your using streaming audio across wifi (I am using mplayer streaming from my ISP's radio offerings), a2dp can suffer badly if using "wmiconfig -i eth0 --power maxperf" - it seriously interferes with bluetooth
BillK On Wed, 2009-06-10 at 15:55 +0100, Michael Sheldon wrote: > Yorick Moko wrote: > > One thing I don't understand: > > intone with a2dp: mplayer usage around 40% and sometimes spikes to > > everything available (80-85%) ==> no fluent playback > > intone without a2dp: 12% cpu ==> fluent playback > > > > how come? > > Well the a2dp stuff seems to be fairly cpu intensive, presumably > because it's having to performing sbc encoding before sending the audio > to the device (most devices support direct streaming of mp3 data but I > don't think this is possible with mplayer, it is with gstreamer though). > You should still be able to get reasonable mp3 playback, you won't get > acceptable ogg playback though, as the combination of a2dp and ogg > decoding appears to be too much for the cpu to handle. > > If you're getting very choppy playback with mp3s and you're using > bluez4 then try running "hciconfig hci0 lm master; hciconfig hci0 lp > hold,sniff,park" after starting the bluetooth daemon. > > Cheers, > Mike. > > _______________________________________________ > Openmoko community mailing list > community@lists.openmoko.org > http://lists.openmoko.org/mailman/listinfo/community -- William Kenworthy <bi...@iinet.net.au> Home in Perth! _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community