title: GPU Shader (libplacebo)
media types:
Video
description: Load and apply a custom mpv/libplacebo .hook shader file for GPU-accelerated video processing. Supports Anime4K, FSRCNNX, film grain, and other mpv-compatible user shaders. The shader file is hot-reloaded when modified. The compiled shader cache is stored in a platform-specific location and can be overridden by setting the MLT_PLACEBO_CACHE_PATH environment variable to an absolute path for the cache file.
version: 1
creator: D-Ogi
copyright: Copyright (C) 2025-2026 D-Ogi
license: LGPLv2.1
title: Shader File
description:
Absolute path to a .hook or .glsl shader file (mpv user shader format). The file is monitored for changes and automatically reloaded.
type: string
readonly: no
required: no
widget: fileopen
title: Shader Text
description:
Inline shader source code as an alternative to shader_path. If both are set, shader_path takes priority.
type: string
readonly: no
required: no
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