Re: [alsa-devel] Compressed Audio Playback/Capture through ALSA framework

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On Wed, 2011-03-16 at 17:26 +0530, Mark Brown wrote:
> It would be nice to have a standard userspace API for this but I'm not
> aware of anyone who's looked at it in detail and you start having to
> also take into account other algorithms that are running on the device
> so there's nothing to point people at right now and no real prospect of
> there being.  I don't know if it's something we can resolve entirely in
> the kernel as I'm aware that some of the DSP implementations have
> non-trivial management code in userspace that they talk to which may
> mean that the standard API has to be a userspace one.  There's also the
> difference between memory to memory implementations (which fit into a
> userspace chain much more readily) and tunneled implementations (which
> do need new infrastructure).
Yes, I was also thinking this needs to have both the user land component
for applications to use and kernel land for DSP implementations.
Agreed, this should also comprehend algorithms.

-- 
~Vinod

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