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AviSynth+ is a fork of the well-known frameserver featuring new functionality and optimizations not available in mainline. In the hope of modernizing AviSynth to meet present day needs and expectations, the project encourages everybody to help reach our goals: add long-sought features, energize the community, and improve developer and user friendliness. AviSynth+ is fully compatible with plugins and scripts written for AviSynth.

Free software
OS: Win
File size: 27MB
Old versions
Version history
8.1/10
6 votes
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Screenshots

AviSynth+ screenshot
Latest version

3.7.0 (January 11, 2021)



Download


Visit developer's site

Download AviSynth+ 3.7.0  27MB  Win




Download old versions


Download AviSynth+ old versions



Software License

Free software / FOSS (Free download and also Free and Open Source Software)



Supported operating systems

WinWindows




Version history / Release notes / Changelog


AviSynth+ 3.7.0

Haiku support
PowerPC support
Support for building the core as a static library (mcmtroffaes)
Fixes for MinGW-w64 compilation
Shibatch, TimeStretch, and ImageSeq GCC build support
Shibatch, TimeStretch, and ImageSeq non-Windows support
Fix: AddBorders did not pass frame properties
Fix: propSet, propDelete and propClearAll not to ruin visibility of variables
(property read functions are still kept being runtime only)
AviSource: fix test5 regression which refused handling old formats like YV24
Resizers: throw error on too small dimensions vs. taps
Add ShowCRC32 debug filter. Parameters are the same as in ShowFrameNumber
Overlay: allow 4:1:1 input
Overlay: fix crash when mask is YUV411 and greymask=false
Overlay: may work quicker, most input/overlay/mask/output clip format conversions moved to filter constructor
RemoveAlphaPlane: do nothing on YUY2 instead of throwing an error message
AviSource: support non-printing characters in fourCC code: allow [number] style, e.g. G3[0][16]
AviSource: add Y410 (YUVA444P10) format support. Allow 'Y410' pixel_type hints.
AviSource: decode b64a, b48r, v210, P210, P010, P016, P216, v410, Y416, r210, R10k, v308, v408, Y410 fourCCs natively.
Fix: Average...: check for valid colorspace (e.g. no AverageB for a YUV clip)
Add: AverageA
New: Average...: allow YUY2, RGB24/32/48/64 inputs
Fix: Overlay: Actual frame of a mask clip would be freed up too early in MT environment
Fix: ConvertBits to ignore dither parameter instead of throwing error, in a 8 to 8 bit case
Fix: GeneralConvolution missing internal rounding on 8-16 bit formats
support for Win10 long file path option
project: Improve inclusion of the ghc filesystem helper library
project: Add a GitHub action workflow
posix: fix crash when autoloading imports
internally refactored ConvertAudio
ConvertBits(8): fix dither=1 (floyd) for RGB48/RGB64
Fix: Blur right side garbage: 16 bit+AVX2+non mod32 width
Fix: check fn signature with implicite "last" first (3.6 regression)
Fix: function parameters provided as arrays (e.g. GrunT callback of WriteFileIf)
Fix: ConvertBits (YUV): proper rounding when bit depth is reduced and origin is 10-16 bits
(added rounder before bit-shift)
New: Histogram("color2") to support 10+ bits.
Allow bits=x (x=8,9,10,11,12) parameter for this kind of histogram as well.

View full changelog




All features


Changes compared to AviSynth

64-bit version available
Faster script startup and substantially faster core filters
Support for multiple ("shadow") plugin directories
Autoloading of C-plugins
Script language extensions, with support for multiline conditionals and loops.
Improved still image support and TimeStretch

Developer features

Easy and fast compilation, with current compilers
2x increased compilation speed
Improved debugging experience
Leaner and more logical project structure
Large parts of the code refactored




Sections/Browse similar tools






Alternative to AviSynth+


Avisynth







Guides and How to's




Acronyms / Also Known As

AviSynth Plus, AviSynthPlus, Avisynth MT




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6 reviews, Showing 1 to 5 reviews


Thank you very much. Good works..

Review by Edi on May 21, 2020 Version: 3.6.0 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Below posted on doom9 forum, avs+ thread in devs.

"Just checked, VideoHelp now hosting current AviSynth+ 3.4.0 Portable 7z file. [SHA-1 matches that on Github]."

Thanks Moderator, everything hunky-dory now.

Avisynth+, is fan-dabby-dozy :)


Review by StainlessStephen on Nov 22, 2019 Version: 3,4,0 OS: Windows 7 Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Here post from Doom9 on Portable version.

[QUOTE=qyot27;1889452]I've uploaded a plain 7z portable for 3.4.0 (well, technically, r2925 built from master, but the extra commit* only touched the READMEs, it's still otherwise-identical to 3.4). I also removed the GCC archive since videohelp still was (or, [i]is[/i] at this time of writing) pointing at it as a 'portable' even when that was not the intention.

*the other's just the merge commit for that one change[/QUOTE]

[QUOTE=StainlessS;1890873]VideoHelp is actually providing a zip file GCC version as portable version, here [[B][COLOR="Red"]DO NOT DOWNLOAD Portable version[/COLOR][/B]]:- [url]https://www.videohelp.com/software/AviSynth-Plus[/url]

I reported the post with this message (limited in length), so hopefully it will be removed as an option from the VH post.[/QUOTE]


Review by StainlessStephen on Nov 20, 2019 Version: 3.4.0 Portable OS: Windows 7 Ease of use: 1/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10




Thank you very much.. Required for StaxRip convert. Good work.

Review by TechnoMan on Oct 21, 2019 Version: 3.4.0 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




Wish this is implemented in other FOSS Video Editors (Blender VSE or Shotcut)

Review by TA 213 on Dec 19, 2017 Version: r2574 OS: Windows 10 64-bit Ease of use: 7/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10


6 reviews, Showing 1 to 5 reviews

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