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Old 21st March 2016, 14:49   #1  |  Link
I'm Siri
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Join Date: Oct 2012
Location: void
Posts: 2,633

so I just wrote my very first plugin, like, a simple one that can do a simple 3x3 blurring (linear or non-linear) or sharpening, designed for easy use

binary: https://github.com/IFeelBloated/minsrp/releases/tag/r4

supported formats:
colorspace: YUV 4:4:4, Gray or RGB, subsampled stuff are not supported
bitdepth: 8-16bits fixed point, 32bits floating point, half precision is not supported
interlaced vids are not supported

str, array that takes up to 3 elements, filtering strength of each plane, positive value = sharpening, negative value = blurring, default = 1.0

mode, filtering mode for each plane,
0 = no filtering
1 = gaussian filter (linear)
2 = median filter (non-linear)
3 = hybrid, picking the result of either gaussian or median, whichever has the smaller difference compared to the input clip
default = 3

sigh, python scripting is 100000000 times easier than c++ filter writing..

speed boost yet again, did some insane and incomprehensible opts, the expensive cost of frequent memory allocation is now gone.
code opt, speed boost
new parameter linear, linearity of sharpening amplification for each plane
default = False
r1 amplifies the sharpening/blurring difference linearly, and just looks dumb to me, the cheesy algorithm tends to over sharpen/blur stuff like.. whatever
with linear = False, sharpening/blurring gets much smarter, it only filters where actually needs filtering with variable strength.
set linear=True if you wanna linear amplification.

non-linear amplification algorithm (shamelessly) copied from http://forum.doom9.org/showthread.ph...17#post1547017

Last edited by feisty2; 30th March 2016 at 16:43.
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