Re: [PATCH 2/4 v4] i.MX31: Image Processing Unit DMA and IRQdrivers

[Robert Schwebel]

On Mon, Dec 22, 2008 at 07:37:53PM +0100, Sascha Hauer wrote:
> Another thing is the overlay framebuffer. I think it's mainly useful
> to display video streams.

Right. The idea is that you can push a video stream into /dev/fb1 (for
example by using the gstreamer fbdev sink) while displaying widgets from
a GUI toolkit on /dev/fb0.

> Maybe it's better to implement this as a v4l device as unlike the
> framebuffer API the v4l API is designed to handle different image
> buffers.

Huh? v4l is image-frames-to-userspace, not vice versa.

rsc
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