[libav-tools] Changing filter size for lanczos rescaling

Zehan Wang zehan at magicpony.technology
Tue Aug 25 19:36:16 CEST 2015


I was just wondering how I could change the filter size when I rescale
videos with the lanczos filter?

I've tried specifying -sws_flags lanczos -param0 <filterSize> but
specifying -param0 doesn't really seem to change anything...

Any help here would be greatly appreciated.


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