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VapourSynth-BezierCurve

VapourSynth-BezierCurve is a plugin that adjusts the clip via a bezier curve.

Description

Vapoursynth-BezierCurve is a plugin that allows you to adjust a clip by specifying a quadratic or a cubic bezier curve.
The curve is specified by giving the values of begin point, end point and coordinates of control points.
It's suited for adjusting the mask clips such as sharp-weight or nr-weight in a easy and customized way without going deep into mathematics.

Supported Formats

8~16 bit integer YUV or GRAY clip.

Usage

bezier.Quadratic(clip, accur, input_range, begin, end, x1, y1, planes)
bezier.Cubic(clip, accur, input_range, begin, end, x1, y1, x2, y2, planes)

Parameters

  • clip: a 8~16 bit integer YUV/GRAY clip.

  • accur: accuracy of the bezier curve. Smaller values result in a more accurate curve.

    • This parameter affects mostly on initializing speed and affects little on processing speed.

    • The default value (0.01) is accurate enough to process most of the mask clips.

    • It's recommended to use a value smaller than 0.001 to process ordinary clips to avoid banding.

  • input_range: specify the range of input clip.

    • 0 - Full range (PC range)

    • 1 - Limited range (TV range)

  • begin: begin values of the curve.

  • end: end values of the curve.

  • x1, y1, x2, y2: the coordinates of control points.

  • planes: specify which plane to be processed.

Note: All values related to curve are in scale of clip's bit-depth.

About

A bézier curve plugin for VapourSynth

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