91.9 Video Flip


By flipping a video horizontally the result will be the mirror of the original video. Using ffmpeg, the input video is identified using -i. Video filtering is introduced with -vf as a shorthand for -filter:v. A hflip is provided as the argument to the video filtering. The audio is kept as it is with -c:a. The video is copied to the output video file.

$ ffmpeg -i input.mp4 -vf hflip -c:a copy OUTPUT.mp4

A vertical flip will turn the video upside down and is achieved by a vflip filter.

$ ffmpeg -i input.mp4 -vf vflip -c:a copy OUTPUT.mp4

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