On Sun, May 30, 2010 at 12:54:17AM +0800, Berg wrote: > I'm porting ASLA1.0.23 to qualcomm 72xx base on ARM11. You might want to coordinate your efforts with the other people working on Qualcomm chipsets. I've CCed in Brian Swetland who I know is one such person but there were a few others. > The first instance,"aplay test.wav", works now, but the second > instance should fail with "device busy" error message. > I have tried plug dmix and dshare "aply -D plug:mycard > test.wav", but met a fail again for the soc chip doesn't support mmap. > Of course,pcm_mycard is defined in /etc/asound.conf. I'd generally suggest PulseAudio over dmix for software mixing. > My questions are: > 1)Is software mixing implemented in ALSA Driver,or in ALSA LIB? It's implemented in user space, via an ALSA library plugin. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
