Rotating videos with FFmpeg

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ffmpeg -i input.mp4 -vf "transpose=1" output.mp4

0 = 90 degrees counterclockwise and vertical flip (default)
1 = 90 degrees clockwise
2 = 90 degrees counterclockwise
3 = 90 degrees clockwise and vertical flip

一般都用 1 或 2, 0 跟 3 是加上鏡射反轉

ref. FFmpeg transpose

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This page contains a single entry by Pank published on March 2, 2014 12:35 AM.

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