[FFmpeg-devel] [SWScale]Creating my own filter

Jean-Michel Hautbois jhautbois at gmail.com
Thu Apr 14 19:55:51 CEST 2011

Hi all !

I would like to create my own upscaling filter, inspired by the fast
bilinear filter, inside the libswscale.
But I have to say it is quite complex... I can't find any docs (and
some messages on this mainling list say there is not :)), and there
are a lot of macros defining functions.
So, I don't really know where to start. The main objective is to make
an ARM optimized scaler, but in order to do that, I would like, as a
start, to re-create a bilinear one.

Thanks for any help you can give me !


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