[FFmpeg-user] Fluorescent White Balance Video Filters

Michael Koch astroelectronic at t-online.de
Wed Apr 27 22:55:14 EEST 2022

Am 27.04.2022 um 20:46 schrieb Roger:
>> On Wed, Apr 20, 2022 at 07:35:22AM +0200, Michael Koch wrote:
>> You can make your own LUT, as described in chapter 2.28 in my book.
>> -- Extract one frame from your video.
>> -- Insert a haldclut in a corner of the image, or use xstack to attach it to
>> the side.
>> -- Use the program of your choice to correct the colors in this image. When
>> done, save it lossless as 16-bit PNG.
>> -- Use FFmpeg to separate the haldclut from the image.
>> -- Apply the LUT to the whole video.
>> Michael
> What if the video is interlaced, the extracted image will be interlaced!

I don't know. I did never work with interlaced videos in FFmpeg.

> I think I got this now, in lamens terms, just start at Chapter 2.28 when
> creating a modified CLUT, as you initially stated.

That's right. Just start with chapter 2.28 because it's easier.


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