[FFmpeg-user] Is there an FFmpeg video filter similar to Avisynth Ylevels plugin?

Moritz Barsnick barsnick at gmx.net
Sat Mar 22 20:11:25 CET 2014

On Sat, Mar 22, 2014 at 04:27:12 -0700, konstantin wrote:

> I would like to encode a video with ffmpeg, but the video is too dark.
> Before I used avisynth and virtualdub to encode such videos, and I simply
> applied the ylevels(gamma=1.2) video filter, which is based on the MaskTools
> avisynth plugin. Is there a similer purpose fileter for ffmpeg which can do
> this task?

Have you ever used Google? ;-)


has this example, which sounds very similar to what you are looking

Correct luminance gamma by a 0.5 factor:


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