Harpy: The Most Powerful Music Player for Linux Written in Rust (Pre-Alpha First Look)

Описание: Harpy is a next-generation music player built from the ground up for Linux power users who demand more from their audio software. Written in Rust with GTK4, Harpy combines blazing-fast performance with an extensive feature set that rivals (and often surpasses) commercial alternatives like MusicBee and foobar2000.

What Makes Harpy Different?


Performance That Screams:
Built in Rust for memory safety and zero-cost abstractions
Async architecture prevents UI freezing even with 100k+ track libraries
Parallel processing using rayon for instant search and filtering
Smart caching reduces section switching from 1500ms to less than 50ms
Gapless playback with the Kira audio engine
Features That Matter:
Advanced Library Management — Smart playlists, statistics tracking, play history
Real-Time Audio Visualization — FFT spectrogram with waveform display
Online Metadata Tagging — Fetch tags from MusicBrainz, Discogs, Spotify, Deezer
Comprehensive Equalizer — 10-band EQ with presets and real-time visualization
Audio Effects Chain — Reverb, echo, distortion, and more
Lyrics Support — Synced and unsynced lyrics with auto-scroll
Drag-and-Drop Everything — Files, folders, tracks, albums, playlists
15+ Beautiful Themes — Spotify, Catppuccin, Cyberpunk, Ocean, and more
Keyboard-First Design — Global shortcuts for power users
AB Repeat — Perfect for musicians and language learners
Theater Mode — Distraction-free full-screen playback

Themes Showcased
In this video, you'll see:
Spotify Theme — Familiar dark green aesthetic

Technical Highlights
Architecture:
Rust + GTK4 for native Linux performance
Async/await throughout for responsive UI
Smart state management with Arc/RwLock
Modular design for easy feature additions
Audio Pipeline:
Kira audio engine for professional-grade playback
Real-time FFT analysis for visualizations
Support for MP3, FLAC, WAV, OGG, M4A, OPUS, and more
Gapless playback and smooth seeking
Library Manaement:
Parallel metadata extraction
Automatic album art caching
Statistics persistence across restarts

Performance Benchmarks

Library scan: 10,000 tracks in ~50 seconds
Search: Sub-200ms for 50k+ tracks
Section switching: LOL!
Memory usage: ~350MB for 20k track library
Startup time: less than 2-9 seconds cold start
Who Is This For?
Perfect for:
Linux users tired of limited music player options
Audiophiles who want control over their audio pipeline
Power users who live in keyboard shortcuts
Musicians who need AB repeat and precise playback control
Anyone managing large music libraries (10k+ tracks)
Not for:
Streaming-only users (no Spotify/Tidal integration yet)
Users who want a simple, minimal player
Windows/macOS users (Linux-only for now)