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ff-filter

Safe, high-level video and audio filter graph operations — no unsafe code required.

⚠️ Coming Soon — This crate is a placeholder and not yet implemented. The API is under design. Do not use in production.

Overview

ff-filter will provide a type-safe Rust interface to FFmpeg's libavfilter, enabling filter graph construction and execution for video and audio processing pipelines.

Design Principles

All public APIs are safe. Users never need to write unsafe code. Unsafe FFmpeg internals (libavfilter) are fully encapsulated within this crate, following the same pattern as ff-decode and ff-encode.

Planned Features

Filter graph API: Construct complex filter chains with a builder pattern
Video filters: trim, scale, crop, overlay, rotate, fade, color correction
Audio filters: volume, equalizer, noise reduction, channel mixing, resampling
Hardware acceleration: CUDA, OpenCL, Vulkan filter support
Pipeline integration: Seamless interop with ff-decode and ff-encode

Planned Usage

use ff_filter::FilterGraph;

// Trim from 10s to 30s, then scale to 720p
let graph = FilterGraph::new()
    .trim(10.0, 30.0)
    .scale(1280, 720)
    .build()?;

Minimum Supported Rust Version

Rust 1.93.0 or later (edition 2024).

Related Crates

ff-probe - Media metadata extraction
ff-decode - Video/audio decoding (input to filter graph)
ff-encode - Video/audio encoding (output from filter graph)
ff-format - Shared type definitions
ff-sys - Low-level FFmpeg FFI bindings

License

MIT OR Apache-2.0

ff-filter 0.1.2