[st-ericsson] v4l2 vs omx for camera

[Clark, Rob]

On Thu, Feb 24, 2011 at 7:17 AM, Hans Verkuil <hverkuil at xs4all.nl> wrote:
> There are two parts to this: first of all you need a way to allocate large
> buffers. The CMA patch series is available (but not yet merged) that does this.
> I'm not sure of the latest status of this series.
>
> The other part is that everyone can use and share these buffers. There isn't
> anything for this yet. We have discussed this in the past and we need something
> generic for this that all subsystems can use. It's not a good idea to tie this
> to any specific framework like GEM. Instead any subsystem should be able to use
> the same subsystem-independent buffer pool API.

yeah, doesn't need to be GEM.. but should at least inter-operate so we
can share buffers with the display/gpu..

[snip]
>> But maybe it would be nice to have a way to have sensor driver on the
>> linux side, pipelined with hw and imaging drivers on a co-processor
>> for various algorithms and filters with configuration all exposed to
>> userspace thru MCF.. I'm not immediately sure how this would work, but
>> it sounds nice at least ;-)
>
> MCF? What does that stand for?
>

sorry, v4l2 media controller framework

BR,
-R