I want to extract all video frames as images and change every black (pure black) pixel of the images to a special color. (R=3,G=3,B=3)

I used this command to extract video frames :

ffmpeg -I myVideo.avi -f image2 -vf yadif -vcodec png image%d

Please tell me how to change every black pixel of the images to color that I want? (I want R=3,G=3,B=3)



You can use the LUT or GEQ filters for this.

e.g. with LUT

ffmpeg -i myVideo.avi
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