On Sun, Dec 30, 2012 at 02:22:51PM +0000, Ben Bell wrote: > Running with a more modest session hovering at 30% normally, pulling the > alsa_in channels (just into jack -- no connections) raises the CPU to ~55% > but there are no xruns. > > So it seems that the problem is most likely in the alsa multi plugin. As an > aside I'm surprised at the extent of resource usage caused by simply having > alsa_in running. Normal, or suspicious? jack_netsource doesn't cause this > sort of load, and tweaking sample rate and the like doesn't seem to affect > things. A side-effect of it expecting to need to resample everything? You could try zita-a2j instead of alsa-in. On my old 2G P4 machine adding 8 channels that way takes 10% CPU. Sound quality is vastly better than alsa-in. Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow) _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
