VapourSynth, el sucesor de avisynth

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Un proyecto compatible con AVISynth pero con python y que busca actualizar este viejo wrapper de audio/video, lo interesante es que los scripts y plugins para avisynth funcionaran en vapoursynth.

Versiones para windows, macoss y varias distros de gnu/linux y en versiones x86 y x64

Pagina Oficial vapoursynth.com
Repositorio github.com/vapoursynth/vapoursynth

Introduction
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. The main features compared to Avisynth are:
- Multithreaded - Frame level multithreading that scales well
- 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 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
- Compatible with a large number of already existing Avisynth plugins

>>https://www.youtube.com/watch?v=__3s76G68zY
Potplayer Daum integra vapoursynth como filtro, por lo cual se pueden utilizar las opciones de vapoursynth en el audio o video manejado por este reproductor. Y tambien vapoursynth soporta el usar el GPU para aplicar shaders.
-->github.com/CrendKing/avisynth_filter/issues/75

SVPflow 4.3.0.168 SVP’s GPU-accelerated Avisynth and Vapoursynth plugins with NVidia Optical Flow (NVOF) support.
SVPflow 4.3.0.168 SVP’s GPU-accelerated Avisynth and Vapoursynth plugins with NVidia Optical Flow (NVOF) support.

Usando las nuevas vsersiones del software SVP [SmoothVideo Project] es que vaporsynth puede usarse los GPUs de nvidia para la interpolacion de mopvimiento y algunas otras mejoras visuales
-->forums.developer.nvidia.com/t/nvidia-optical-flow-vapoursynth-plugin-motion-compensation/218981

Mas sobre SVP
hilo_dmitrirender-reproduccion-de-video-con-mas-suavidad_2027594
vapoursynth r68
-->github.com/vapoursynth/vapoursynth/releases/download/R68/VapourSynth64-Portable-R68.zip

- fixed portable base path detection
- fixed is_inspectable
- reverted widestring print changes in vspipe
Lo evidente es que ya soo hay version x86_64, es decir, para 64bit, agregaron soporete a mas sistema del color y que use el sistema de codificacion de texto UTF8 como el oficial y unico, asi como algunas optimizaciones en el rendimiento.

R69
Portable
-->>github.com/vapoursynth/vapoursynth/releases/download/R68/VapourSynth64-Portable-R68.zip
Instalable
-->>github.com/vapoursynth/vapoursynth/releases/download/R68/VapourSynth-x64-R68.exe

- added YUV420PS/H and YUV422PS/H constants for convenience
- vspipe --info will now output information for all set output nodes
- added a new function to to the vsscript api to get a list of all set output indices, since most users don't need vsscript api 4.2 you now have to define VSSCRIPT_USE_LATEST_API or VSSCRIPT_USE_API_42 to actually require it the python module will now warn if it doesn't match the core library version when creating a core
updated zimg to fix a rare resizing bug that only happens around 0.5x scaling with avx512 optimizations
- now always sets console output codepage to utf8 in windows
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