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Mplayer/锐化视频滤镜
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来自 Wikibooks，一个开放世界的开放书籍
<
MPlayer
更改值 8 至其他数字，<0 使图像模糊，>0 使其锐化
mplayer -vf-add unsharp=lc:8 "video.extension"
类型
:
书：MPlayer
华夏公益教科书
