PixelShiftPlus
From Avisynth wiki
| Abstract | |
|---|---|
| Author | reel.deal |
| Version | v1.1.0 |
| Download | pixelshiftplus.avsi |
| Category | Chroma Correction |
| License | |
| Discussion | |
Contents |
Description
PixelShiftPlus is a script to independently shift pixels with subpixel accuracy.
It includes 4 functions:
- PixelShiftRGB – shift any plane in an RGB(A) clip.
- PixelShiftYUV – shift any plane in a YUV(A) clip.
- PixelShiftUV – shift the chroma in a YUV(A) clip. Similar to ChromaShiftSP2.
- PixelShiftC – uniformly shifts the chroma in a YUV(A) clip. Similar to ChromaShiftSP.
Requirements
- [x86/x64]: AviSynth+
- Progressive input only
- Optional plugin: FillBorders (only if specified by
Mode)
Syntax and Parameters
- PixelShiftRGB (clip input, float "RX", float "RY", float "GX", float "GY", float "BX", float "BY", float "AX", float "AY", string "Resizer", int "Mode", bool "Inverse")
- PixelShiftYUV (clip input, float "YX", float "YY", float "UX", float "UY", float "VX", float "VY", float "AX", float "AY", string "Resizer", bool "ChromaPixels", int "Mode", bool "Inverse")
- PixelShiftUV (clip input, float "UX", float "UY", float "VX", float "VY", string "Resizer", bool "ChromaPixels", int "Mode", bool "Inverse")
- PixelShiftC (clip input, float "X", float "Y", string "Resizer", bool "ChromaPixels", int "Mode", bool "Inverse")
- clip =
- Input clip.
- PixelShiftRGB: all RGB(A) colorspaces are supported.
- PixelShiftY(UV): all YUV(A) colorspaces are supported.
- clip =
- float RX, RY, GX, GY, BX, BY, AX, AY = 0.0
- float YX, YY, UX, UY, VX, VY, AX, AY = 0.0
- Specify the shift amount in each (R, G, B, A) or (Y, U, V, A) plane.
- (X) horizontal shift: positive values shift left, negative values right.
- (Y) vertical shift: positive values shift upwards, negative values downwards.
- Note that the shifting direction will be reversed if
Inverse=true.
- Specify the shift amount in each (R, G, B, A) or (Y, U, V, A) plane.
- float RX, RY, GX, GY, BX, BY, AX, AY = 0.0
- string Resizer = "Spline36"
- Resizer to use to shift planes.
- Available options:
"Bicubic", "Bilinear", "Blackman", "Gauss", "Lanczos", "Lanczos4", "Point", "Sinc", "Spline16", "Spline36", "Spline64". - Note that
"Point"cannot do subpixel shifting because it uses only integer pixel coordinates, float values will be rounded.
- string Resizer = "Spline36"
- bool ChromaPixels = false
- By default, the X and Y shift values of the chroma planes are shifted in "luma pixels", meaning that the shift values are divided by the subsampling ratio of the input clip.
- For example:
- YUV420, the X and Y shift values are divided by 2 since the chroma planes are half the width and height of the luma plane.
- YUV422 or YUV411, only the X shift value is divided by 2 and 4, respectively.
- YUV444, has no effect since the chroma planes are the same size as the luma.
- When
Resizer="Point", this parameter is ignored and set to true. - When set to true, the X and Y shift values are not divided.
- bool ChromaPixels = false
- int Mode = 1
- Border mode:
- 0 : "fillmargins" - top and bottom borders are filled with a weighted average of its three neighbours from the previous line. Left and right borders are repeated, as in mode 1.
- 1 : "repeat" - fills the borders using the outermost line or column.
- 2 : "mirror" - fills the borders by mirroring.
- 3 : "reflect" - fills the borders by reflecting (whole sample symmetric).
- 4 : "wrap" - fills the borders by wrapping.
- 5 : "fade" - fills the borders to constant value.
- 6 : "fixborders" - A direction "aware" modification of FillMargins. It also works on all four sides.
- Default: 1 (all other modes require the FillBorders plugin)
- Border mode:
- int Mode = 1
- int Inverse = false
- If true, it will reverse the shifting direction:
- (X) horizontal shift: negative values shift left, positive values right.
- (Y) vertical shift: negative values shift upwards, positive values downwards.
- If true, it will reverse the shifting direction:
- int Inverse = false
Examples
Move both chroma planes left 3.2 pixels and down 1.6 pixels:
AviSource("Blah.avi") PixelShiftUV(UX=3.2, UY=-1.6, VX=3.2, VY=-1.6) # same as PixelShiftC(X=3.2, Y=-1.6)
Changelog
Version Date Changes
v1.1.0 2022/12/10 - Add PixelShiftC function - Adaptive PointResize when the x/y shift is whole - No longer overrides the ChromaPixels parameter when Resizer="Point" - Cosmetics v1.0.0 2022/11/29 - Initial release
External Links
Back to External Filters ←
