Slightly faster (but less precise) scenecut detection. Recommended default: 25Īdjusts the sensitivity of x264's scenecut detection. Minimum GOP length, the minimum distance between I-frames. Very high GOP lengths will result in slightly more efficient compression, but will make seeking in the video somewhat more difficult. This determines the maximum distance between I-frames. Keyframe interval, also known as GOP length. This guide maps most of x264's options to FFmpeg's options along with detailed descriptions by x264 developer Dark_Shikari. Please see `avconv -h | less` or `ffmpeg -h | less` and scroll down to " libx264 AVOptions:". Please Note: This guide will remain here for historic purposes but FFmpeg and libav now use libx264's internal -preset, -profile and -tune options.
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