Re: [Alsa-devel] Re: [OT] ALSA userspace API complexity

René Rebe
2006-01-09T13:05:23Z

Hi,

On Sunday 08 January 2006 10:24, Jaroslav Kysela wrote:

> > > > > - PCM with non-interleaved formats
> > > > There is no need to handle non-interleaved data in kernel level drivers
> > > > because all the devices use interleaved formats.
> > >
> > > Many RME boards support only non-intereleave data.
> > In such cases it's better to do interleavin/deinterleaving in the kernel
> > rather than forcing the apps to check which method they should use.
>
> I don't think so. The library can do such conversions (and alsa-lib does)
> quite easy. If we have a possibility to remove the code from the kernel
> space without any drawbacks, then it should be removed. I don't see any
> advantage to have such conversions in the kernel.

Also, when the data is already available as single streams in a user-space
multi track application, why should it be forced interleaved, when the hardware
could handle the format just fine?

Yours,
Rene

--
ExactCODE, Berlin