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.
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