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DOCS/tech/swscaler_filters.txt

 

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software scaler filter docs

 

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-ssf cgb=<float> chrominance gaussian blur

 

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        usefull for videos with some chroma (color) noise (TV captures, VHS, ...)

 

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-ssf lgb=<float> -> luminance gaussian blur

 

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        hmm, mostly special effect, could be used as lame noise reducer though

 

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-ssf chs=<int> -> shift chrominance horizontally

 

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-ssf cvs=<int> -> shift chrominance vertically

 

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        usefull if the luma & chroma are not aligned exactly

 

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-ssf cs=<float> -> chrominance sharpen

 

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-ssf ls=<float> -> luminance sharpen

 

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        simple sharpening filter

 

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note: these will only work if the swscaler is used at all (use -vf scale)

 

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example: mplayer foobar.avi -vf scale -ssf lgb=3.0

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