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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:
File size: 11MB
Portable version
Old versions
Version history
OS:
File size: 11MB
Portable version
Old versions
Version history
Screenshots
Latest version
Download
Download VapourSynth R49 64-bit 11MB Win64
Download VapourSynth R49 11MB Win
Download Portable and other versions
Download VapourSynth R49 Portable 7MB Win Portable
Download old versions
Software License
Supported operating systems
Windows Version history / Release notes / Changelog
r49:
updated to python 3.8 on windows
updated visual studio 2019 runtime version
updated zimg and added support for spline64 resize method
fixed transfer characteristics not being applied to gray format clips (sekrit-twc)
fixed vdecimate bugs when compiled on systems where char is unsigned by default
fixed a regression introduced in r48 in that could sometimes cause corrupt output from expr on cpus without sse4.1 (sekrit-twc)
fixed a savestring bug in avscompat (sekrit-twc)
interleave, selectevery and separate fields now have a modify_duration argument to determine if they modify frame durations and fps
addborders and crop now update the _fieldbased attribute properly when an odd number of lines are cut from the top
fixed add to path not working for single user installs
fixed compilation on non-x86 systems
fixed an infinite loop in the expr filter optimizer that was introduced in r48 (sekrit-twc)
updated to python 3.8 on windows
updated visual studio 2019 runtime version
updated zimg and added support for spline64 resize method
fixed transfer characteristics not being applied to gray format clips (sekrit-twc)
fixed vdecimate bugs when compiled on systems where char is unsigned by default
fixed a regression introduced in r48 in that could sometimes cause corrupt output from expr on cpus without sse4.1 (sekrit-twc)
fixed a savestring bug in avscompat (sekrit-twc)
interleave, selectevery and separate fields now have a modify_duration argument to determine if they modify frame durations and fps
addborders and crop now update the _fieldbased attribute properly when an odd number of lines are cut from the top
fixed add to path not working for single user installs
fixed compilation on non-x86 systems
fixed an infinite loop in the expr filter optimizer that was introduced in r48 (sekrit-twc)
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 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
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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| 3 reviews, Showing 1 to 3 reviews |
Thank you very much.
Review by Technoman on
Nov 1, 2019 Version: R48
OS: Windows 7 64-bit Ease of use: 9/10
Functionality: 9/10
Value for money: 9/10
Overall: 9/10
This what AviSynth should have been: cross-platform, fast, and adapted to new technology. VapourSynth is also compatible with AviSynth+ plugins and scripts.
Review by 11213 on
Apr 5, 2018 Version: 43
OS: Windows 10 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
Not for the feint of heart, vapoursynth is intended for people conversant with scripting - this tool is essentially a more modern avisynth replacement using its own python based scripting and new sets of plugins. Some "old" avisynth plugins seem forward compatible, but not all. It is NOT a gui tool although there is a separate gui if you want (see over at doom9, vsedit is its name).
Highly versatile, building on the large knowledge base and many discussions and examples over at doom9, this is a highly versatile "swiss knife" of a thing to use when you can't afford $thousands for a commercial gui tool (vapoursynth is $free).
Highly versatile, building on the large knowledge base and many discussions and examples over at doom9, this is a highly versatile "swiss knife" of a thing to use when you can't afford $thousands for a commercial gui tool (vapoursynth is $free).
Review by hydra3333 on
Nov 11, 2017 Version: r39
OS: Windows 10 64-bit Ease of use: 6/10
Functionality: 10/10
Value for money: 10/10
Overall: 9/10
| 3 reviews, Showing 1 to 3 reviews |
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= Windows version available. = Mac OS version available. = Linux version available.Our hosted tools are virus and malware scanned with several antivirus programs using www.virustotal.com.
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