[MPlayer-dev-eng] [PATCH] vf_eq2 extensions

[D Richard Felker III]

On Fri, Jan 31, 2003 at 01:42:23AM +0100, Hampa Hug wrote:
> Hello
> 
> (I sent this message a few hours ago using a wrong email address.
> Hope it doesn't show up twice)
> 
> I've been working a bit on the eq2 filter. I intended to test this
> a little more, but since the issue came up in another thread here
> I decided to post what I have so far
> 
> - Brightness / contrast / gamma adjustment is unchanged
> - Saturation adjustment is new. It uses two LUT's for the U and
>   V channel
> - Hue adjustement is new as well. This is implemented as a simple
>   rotation in U-V space.
> 
> The filter does these three types of adjustments independantly
> and only if necessary.
> 
> The patch is pretty big as this is basically a rewrite of the
> entire filter.
> 
> Daniel: I think it should be possible to combine vf_eq2 and your
> gamma patch into a single filter. This would then be a pretty
> complete equalizer.

Pretty slow to! It'd be nice if you could put fast hue and saturation
code in vf_eq.c. Sat is really easy to add and hue can be done very
quickly with mmx.

Rich