[MPlayer-users] How-to on constructing customtex file for gamma correction?

[Reimar Döffinger]

Hello,
On Wed, Jan 16, 2008 at 12:04:32AM -0800, galenz at zinkconsulting.com wrote:
>  From the man page:
> 
> customtex=<filename>
> Load a custom "gamma ramp" texture from <filename>. This can be used  
> in combination with yuv=4 or with the customprog option.
> 
> I want to use a custom gamma ramp. What format do I need to input? Any  
> data would be appreciated, particularly a how-to!

Create an image of height at least 3, create a gradient from black to
white from left to right, apply gamma adjustment, save as ppm.
For more advanced stuff reread my reply to the last time you asked.

Greetings,
Reimar Döffinger