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VapourSynth is an application for video manipulation. Or a plugin. Or a library. Its 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:r37
Released:Mar 20,2017
File size:8.8MB
5/10
1 vote

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VapourSynth screenshot
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Latest version

r37 (March 20, 2017)




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Download VapourSynth r37  [8.8MB]  [Win]

Download VapourSynth r37 64-bit  [8.8MB]  [Win64]




Download portable and other versions

Download VapourSynth r37 portable  [2.6MB]  [Win]  [Portable]

Download VapourSynth r37 portable 64-bit  [2.9MB]  [Win64]  [Portable]




Download old versions


Download VapourSynth old versions




Supported operating systems

WinWindows




License

Free software




Version history / Release notes / Changelog


r37:
updated to zimg v2.5
fixed occasional crashes on startup in avfs when used with avisynth scripts
fixed blankclip and addborders sometimes rejecting valid floating point color values (jackoneill)
vdecimate no longer stores the metrics for all frames, thus saving a lot of memory for long clips (jackoneill)
changed get_read* functions in python so their memory no longer incorrectly is writable (Kamekameha)
added rational number fps property to clips in python (Kamekameha)
mostly worked around an issue where python would replace the sigint handler
fixed bug that could sometimes cause false memory leak warnings when freeing core
fixed possible corruption on frames without subtitles in subtext (jackoneill)
added a proxy object to avoid referencing the wrong core in scripts (stuxcrystal)

View full changelog




All features


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 dont have have to learn a special language
Support for video with format changes Some video just cant stick to one format or frame size VapourSynth can handle any kind of change




Sections/Browse similar tools






Alternative to VapourSynth


Avisynth







Guides and How to's


Download VapourSynth portable download



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Our hosted tools are virus and malware scanned with several antivirus programs using www.virustotal.com.


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