SONDERBAR // Open Source

NVDEC-Play features, technology and license notice.

Capabilities Functionality
Deband Reduces visible color bands and posterization; values are detail-preserving with minimal loss overall.
Dither Error-diffusion dithering. Smoother gradients and less visible banding. It affects subtle color transitions.
Error-diffusion Stucki It produces smooth, clean gradients and relatively fine-looking dithering with fewer visible artifacts.
Interpolation Enabled; uses mpv’s Sphinx temporal scaling filter through libmpv for smoother frame interpolation.
Spatial + Down Scaling Sphinx is the default video upscaling and downscaling filter for sharp, detailed image scaling.
Chroma Scaling Kaiser is the default chroma scaling filter for smooth, accurate color scaling..
Cache and loop-file=inf libmpv’s additional playback cache is disabled and the current video file indefinitely repeated.
geometry=50%:50% Centers the window on screen automatically for you whenever playback starts.
autofit=75%x75% Fits the video in a window up to 75% of the screen’s width and height, while keeping the video’s aspect ratio.
Code License
ChromaFromLumaPrediction MIT License, based on CfL_Prediction 2023 João Chrisóstomo (Brazil) 🇧🇷. Copyright (c) 2026 Michael Hiltz 🇩🇪
DeblockForge-8X8 MIT License. Copyright (c) 2026 Michael Hiltz (Germany) 🇩🇪
go-mpv MIT License. Copyright (c) Milan Nikolic (Serbia) 🇷🇸
Zenity MIT License. Copyright (c) Nuno Cruces (Portugal) 🇵🇹
purego Apache License Version 2.0. Copyright (c) Hajime Hoshi (Japan) 🇯🇵
libmpv LGPL-2.1-or-later, copyright (c) mpv team.
linuxdeploy MIT license. Copyright (c) linuxdeploy. AppImage creation. (Germany) 🇩🇪
NVIDIA open GPU Driver Dual MIT/GPL license, copyright (c) Nvidia team. (USA) 🇺🇸
Google Go 1.27 BSD 3-Clause license, copyright (c) go.dev team. (USA) 🇺🇸

🎬 Supported Codecs

MPEG-2, VC-1 (WMV), some MPEG-4, H.264/AVC, H.265/HEVC, VP8, VP9, AV1. NVDEC cannot hardware-accelerate every video codec or every video format / profile.

🧩 Vulkan GLSL Shaders

+ Vulkan DeblockForge-8X8 2.0
+ Vulkan ChromaFromLumaPrediction 1.1

These shaders are only applied when a video is upscaled. More shaders soon.

🌐 Anywhere on Linux

NVDEC-Play 1.0 works across all Linux distributions without complicated installation or dependency issues. Download it, make it executable, and launch — it’s that simple.