[PATCH] cam: Convert RGB variations to BGR

[Pavel Machek]

Hi!

> > From looking at the code, soft ISP seemed to be able to do other stuff
> > than ARGB, but for some reason ARGB is selected by default, and I
> > guess I can get better performance by forcing right format.
> 
> Software ISP debayering supports multiple output formats and `cam' can
> request a particular output format.  For example,
> 
>   cam -c1 -C4 -s pixelformat=BGR888 -Ffoo#.ppm
> 
> outputs the right thing.  Example of requesting an output in a different
> format:
> 
>   cam -c1 -C4 -s pixelformat=ARGB8888 -Ffoo#.raw
> 
> It works; is it a problem in your application?

Well, problem is that if you do something like "cam -c1 -Ffoo#.ppm" it
decides to use ARGB8888 and fails writing into ppm. That is not great.

> I don't mind enhancing the PPM writer but maybe you don't need the
> conversion there in the first place.

Agreed, I don't need it. People with hardware outputting RGB888 or
ARGB variants might like it.

Best regards,
								Pavel
-- 
I don't work for Nazis and criminals, and neither should you.
Boycott Putin, Trump, and Musk!
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