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Revision as of 02:40, 16 August 2021 by Reel.Deal
Multithreaded version (x86/x64): defish_mt.zip
|Discussion||Doom9 Thread (original), Doom9 Thread (update)|
This filter can be used to correct (or induce) barrel and pincushion distortion.
- defish (clip, float "fov", float "scale", float "aspect", string "direction", string "scaling", float "a", float "b", float "c", bool "pin", int "threads")
[unnamed]: Input clip. Must be RGB32 and have even width/height. fov: useful range: -180.0 - 180.0 default: 0 The horizontal field of view, in degrees. Positive values will correct barrel distortion (induce pincushioning). Negative values should correct pincushion distortion (induce barreling), but note that this may currently be implemented incorrectly. scale: range: 0.0 - infinity default: 1.0 An adjustment parameter which scales the image after correction. aspect: range: 0.0 - infinity default: 1.0 The pixel aspect ratio of the input clip. direction: values: "x", "y" This parameter restricts the correction to either horizontal or vertical only. scaling: values: "fitx", "fity", "fitxy" This parameter automatically scales the image to fill the image horizontally, vertically, or both. The "scale" parameter above is still effective. The default behaviour when using fov is to scale the image such that the central area stays at the original scale. This parameter is not effective when using the polynomial values below. a,b,c: sensible range: 0.0 - 1.0 Parameters for correcting distortion polynomially. These are only effective when fov=0 (which is the default value). a+b+c must be less than or equal to 1.0 when pin=true. pin: boolean Set this to true to correct pincushion distortion, and false to correct barrel distortion - this may seem the wrong way around but it was chosen to match the behaviour of the similar parameter of V.C. Mohan's DeBarrel filter. threads: range: 0 - infinity 0 (default) sets the number of processing threads to the number of autodetected CPU's/cores. NOTE: this parameter is only for the MT version.
defish with default settings:
AviSource("Blah.avi") defish(fov=0.0, scale=1.0, aspect=1.0, direction="xy", scaling="", a=0.0, b=0.0, c=0.0, pin=false, threads=0)
Version Date Changes
v1.1mt 2018/08/25 - modified by Groucho2004 - 32 bit and 64 bit versions of defish using Efenstor's multi-threaded code. - slightly modified code using AVS+ headers and 2.6 interface.
v1.1mt 2011/04/28 - multithreaded version by Efenstor - includes additional "threads" parameter
v1.1 2010/02/21 - latest release
- GitHub - defish (x86/x64) source code repository.
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