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VapourSynth

NEW VERSION r33.1

VapourSynth is an application for video manipulation. Or a plugin. Or a library. It’s hard to tell because it has a core library written in C++ and a Python module to allow video scripts to be created. It came to be when I started thinking about alternative designs for Avisynth and most of it was written over a 3 month period. The software has been heavily inspired by Avisynth and aims to be a 21st century rewrite, taking advantage of the advancements computers have made since the late 90s. Requires Python!

Free software
OS:Windows
Version:r33.1
Released:20160824
File size:7.3MB
Portable version
Old versions available
Version history available

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  Latest version

r33.1 (August 24, 2016)



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Download VapourSynth r33.1 64-bit (direct link)



Download portable and other versions

Download VapourSynth r33.1 portable (direct link)

Download VapourSynth r33.1 portable 64-bit (direct link)



Download VapourSynth old versions:
NameDate(Y-M-d)Size
VapourSynth32-Portable-R33.1.7z2016-08-242.3MB
VapourSynth64-Portable-R33.1.7z2016-08-242.5MB
VapourSynth-R33.1.exe2016-08-247.3MB
VapourSynth32-Portable-R33.7z2016-08-232.3MB
VapourSynth-R33.exe2016-08-237.3MB
VapourSynth64-Portable-R33.7z2016-08-232.5MB
VapourSynth64-Portable-R32.7z2016-04-081.4MB
VapourSynth32-Portable-R32.7z2016-04-081.2MB
VapourSynth-R32.exe2016-04-085.2MB
vapoursynth32-portable-r31.7z2016-02-031.2MB
vapoursynth64-portable-r31.7z2016-02-031.4MB
vapoursynth32-portable-r30.7z2016-01-191.2MB
vapoursynth64-portable-r30.7z2016-01-191.3MB
vapoursynth-r30.exe2016-01-196MB
vapoursynth64-portable-test.7z2016-01-141.4MB
vapoursynth32-portable-test.7z2016-01-141.2MB
vapoursynth-r29.exe2015-12-086MB
vapoursynth-r28.exe2015-10-085.1MB
vapoursynth-r27.exe2015-05-137.4MB
vapoursynth-r26.exe2015-01-289.5MB
vapoursynth-r25.exe2014-11-247.2MB
vapoursynth-r24.exe2014-08-156.2MB
vapoursynth-r23.exe2014-03-126.1MB
vapoursynth-r22.exe2013-12-104.6MB
vapoursynth-r21.exe2013-10-303.5MB
vapoursynth_r20.exe2013-10-131.8MB
vapoursynth-r19.exe2013-07-312.1MB
vapoursynth_r19_rc2.exe2013-07-282.8MB
vapoursynth-r18.exe2013-01-142.1MB
vapoursynth-r17.exe2012-12-292.1MB
30 files112.1MB



Supported operating systems

WinWindows



VapourSynth screenshot
Click to enlarge screenshot

Version history / Release notes / Changelog

R33.1 – Leaking Memory is Bad
Posted on August 24, 2016

Already a new release because I created a memory leak in filters like Invert and Binarize. Update OR DIE!

R33 – A Somewhat Experimental Release
Posted on August 23, 2016

What’s to experimental in this release you ask? Basically all the code got modified. Everywhere. To re-factor and optimize things. The most important improvements are:

8-bit and 16-bit integer and float support in all core functions where it makes sense
Many commonly used core functions were optimized (Median, Minimum, Maximum, Inflate, Deflate, Convolution)
The internal resizers can now have the active region set to achieve things like subpixel shifts
VSFS was removed and replaced by AVFS, this AVFS version works with both VapourSynth and Avisynth and has all the latest changes
The Python installation to use can now be selected in the installer
Release builds are now mostly compiled with clang-cl for improved speed
There are also a few important compatibility related changes from previous versions:

AVFS works very differently from VSFS (command line vs shell integration) but can still accomplish more or less the same thing
PlaneStats function had the MinMax property split into separate Min and Max
GenericFilters is no longer included because the core functions plus the TCanny plugin can now replace 99% of its uses
AssVapour was renamed to SubText and uses the sub namespace now
View full changelog



All features / Full description

The main features compared to Avisynth are:

Multithreaded – Frame level multithreading
Generalized Colorspaces – New Colorspaces can be specified at runtime
Per Frame Properties – Additional metadata can be attached to frames
Python Based – The scripting part is implemented as a Python module so you don’t have have to learn a special language
Support for video with format changes – Some video just can’t stick to one format or frame size VapourSynth can handle any kind of change



Sections/Browse similar tools




Alternative to VapourSynth

Avisynth




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