Matt Flax wrote: > Recently I was advised to channel multichannel audio over stereo I2S Why would you want to do that? Don't you have the appropriate number of I²S lines? > and unpack in user space with plugins. Why? > Right now, with a hacked machine driver, I get DMA unpacking to multichannel for free. > > If I switch to user space ALSA plugin unpacking, as advised, can anyone answer the following questions please : > > If I want to handle all word sizes which are currently implemented S16 -> S32, do I need to use different plugins to handle different word sizes ? Plugins can query what the actual sample format is (and can constrain them to what they support). > Regarding the actual channel unpacking, will it cost a lot more to do this in user space, rather then using the DMA silicon ? Of course. Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
