Avisynth equivalent plugins for vapoursynth

[zanzar]

i am trying to find the plugins i used in Avisynth , to be ported to.
1.does Avisynth dll's will be usable in vapoursynth? , if not how can i use them or can i convert them myself?

need stuff like : ColorMatrix,levels,tweak(".."),Hysteria,Sharpen, Blur ,nnedi3(actually got that one working),McTemporalDenoise,GradFun3,Dehalo_alpha.

[SaurusX]

Have you checked doom9.org?

[Lypheo]

VapourSynth has equivalents for all of those. Check the documentation and vsdb.

[_Al_]

colormatrix
Vapoursynth uses powerful Resize filter, that resizes video resolution, changes colorspaces or bit depth as well. To just change colorspace from NTSCDV format to BT709:

import vapoursynth as vs
from vapoursynth import core
clip = core.resize.Bicubic(clip, matrix_in_s = '170m', matrix_s = '709')

matrix_in_s argument is string input colorspace
matrix_s means string output value
matrix_in expects numeric (int) value
matrix expects also numeric value

so that '_s' stands for string instead of number

correlation between numbers and strings as for matrix is:
{0:'rgb', 1:'709', 2:'unspec', 3:'reserved', 4:'fcc',
5:'470bg', 6:'170m', 7:'240m', 8:'ycgco', 9:'2020ncl',
10:'2020cl' , 100:'OPP',
}
so for example if your SD resolution is PAL and you for example resize using nnedi3 somewhere in the script , resizing to HD, and then you change colorspace in this line:

clip = core.resize.Bicubic(clip, matrix_in_s = '470bg', matrix_s = '709')

or

clip = core.resize.Bicubic(clip, matrix_in = 5, matrix = 1)

that's the same command

[_Al_]

Also be prepared for more restrictive approach, for example if loading NTSCDV with ffms2 source plugin into 4:1:1 (avisource loads NTSCDV as 4:2:0) you have to crop width with mod 4 and height with mode 2, otherwise you'd get error. It would not crop in the middle of subsampling. NTSC 4:1:1 has one color for four x pixels.