On Friday, February 25, 2011 18:22:51 Linus Walleij wrote:
> 2011/2/24 Edward Hervey <bilb...@gmail.com>:
>
> > What *needs* to be solved is an API for data allocation/passing at the
> > kernel level which v4l2,omx,X,GL,vdpau,vaapi,... can use and that
> > userspace (like GStreamer) can pass around, monitor and know about.
>
> I think the patches sent out from ST-Ericsson's Johan Mossberg to
> linux-mm for "HWMEM" (hardware memory) deals exactly with buffer
> passing, pinning of buffers and so on. The CMA (Contigous Memory
> Allocator) has been slightly modified to fit hand-in-glove with HWMEM,
> so CMA provides buffers, HWMEM pass them around.
>
> Johan, when you re-spin the HWMEM patchset, can you include
> linaro-dev and linux-media in the CC?
Yes, please. This sounds promising and we at linux-media would very much like
to take a look at this. I hope that the CMA + HWMEM combination is exactly
what we need.
Regards,
Hans
> I think there is *much* interest
> in this mechanism, people just don't know from the name what it
> really does. Maybe it should be called mediamem or something
> instead...
>
> Yours,
> Linus Walleij
>
>
--
Hans Verkuil - video4linux developer - sponsored by Cisco
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