How to properly brighten a video file with FFmpeg.

Making a video file brighter is very easy, this can be done with FFmpeg. The curves filter can easily brighten a video file without causing much degradation at all. Use this example to make a video file a bit brighter and it will still be the same quality. ffmpeg -i…

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How to block annoying web popups on websites.

I have noticed a trend lately where sites (blogs and news sites in particular) will put up an overlay the first time you visit their site, asking you to sign up for an account or take a survey. They almost always have a little “X” button, or a “Close” button,…

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Overlay two videos on top of another with ffmpeg.

Overlaying two other video files on to another is very easy with ffmpeg. I had two video files that are 640×360 pixels, and one that is 1920×1080. I used this command line with ffmpeg to overlay them. ffmpeg -i controller_agroprom.mp4 -vf "movie=dbz120.mp4 [a]; movie=dbz121.mp4 [b]; [in][a] overlay=0:32 [c]; [c][b] overlay=0:448"…

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