[cpia] profiling device drivers

[Johannes Erdfelt]

On Sun, Mar 12, 2000, Peter Pregler <Peter.Pregler@risc.uni-linz.ac.at> wrote:
> 
> On 09-Mar-2000 Johannes Erdfelt wrote:
> > I recently was talking to the X developer here and explaining to him the
> > current CPiA driver, he urged me to use xvimage support under the new
> > version of XFree (4.0). It'll do color conversion and scaling all through
> > hardware which supports it (Matrox, etc).
> 
> Hmmm, I am tempted to play around with my G400 as soon as I have 4.0 running.
> :) But I still think this should be part of the v4l-layer (some sort of
> internal auxilliary library) and not the cpia-driver. Was there any discussion
> about this on the v4l-lists? If not I will raise the issue there.

I don't think so. He was also telling me about an X extension which is a
wrapper around V4L which handles all of this stuff and allows user space
drivers to be written. I haven't looked up anything about it yet, but it
sounds like something to investigate.

JE