FFTSpectrum
From Avisynth wiki
| Abstract | |
|---|---|
| Author | Asd-g |
| Version | v1.0.0 |
| Download | FFTSpectrum-1.0.0.7z |
| Category | Debug filter |
| License | GPLv2 |
| Discussion | |
Contents |
[edit] Description
FFTSpectrum is a filter that displays the FFT frequency spectrum of a given clip. Supposedly useful for determining original resolution of upscaled anime content.
This is a port of the VapourSynth plugin FFTSpectrum.
[edit] Requirements
- [x86] AviSynth+ or AviSynth 2.6
- [x64] AviSynth+
- Supported color formats: Y8, YV12, YV16, YV24, YV411
- FFTW 3.3.5 (
fftw-3.3.5-dll32.ziporfftw-3.3.5-dll64.zip)
- *** 32-bit libfftw3f-3.dll needs to be in the search path (C:\Windows\SysWOW64 64-bit OS or C:\windows\system32 32-bit OS)
- *** 64-bit libfftw3f-3.dll needs to be in the search path (C:\windows\system32 64-bit OS)
[edit] Syntax and Parameters
- FFTSpectrum (clip, bool "grid")
- clip =
- A clip to process. It must be in YUV 8-bit planar format.
- clip =
- bool grid = true
- Whether a grid with origin at the center of the image and spacing of 100 pixels should be drawn over the resulting spectrum.
- Default: False.
- bool grid = true
[edit] Examples
FFTSpectrum with all default settings:
AviSource("Blah.avi") FFTSpectrum(grid=false)
[edit] Changelog
Version Date Changes
v1.0.0 2020/11/02 - Initial release
[edit] External Links
- GitHub - Source code repository.
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