rootscripts / riff

Riff 
 A free, open-source desktop music player for YouTube Music, SoundCloud, and local files. Built with Material Design 3, no tracking, and no account needed. 
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## What is Riff?
Riff is an open-source, telemetry-free desktop audio hub and player for **Windows, Linux, and macOS**. It unifies playback across **YouTube Music**, **YouTube**, **SoundCloud**, and offline local media into a single high-performance interface without ads, subscriptions, or login constraints.
Built with **Electron**, **Vanilla JavaScript**, and **WebGL**, Riff provides responsive UI interactions and hardware-accelerated audio visualization without runtime framework overhead. The project is distributed under the **MIT license** and enforces strict privacy: all configuration, cached streams, and playback history remain strictly on the local machine.
## Core Features
- **Ad-Free Streaming Hub**: Native stream resolution for YouTube Music, YouTube, and SoundCloud without third-party advertisements or account requirements.
- **Offline Lossless Playback**: Full local library support for high-resolution formats including FLAC, WAV, MP3, OGG, and M4A.
- **Built-in Audio Suite**: Integrated visual waveform editor for lossless trimming, 10-band equalizer, and real-time DSP effects (tempo, pitch shifting, studio reverb, distortion).
- **1-Click Multi-Platform Playlist Migration**: Direct import and resolution of public playlists from Spotify, Apple Music, YouTube Music, and SoundCloud.
- **Material Design 3 (M3 Expressive) UI**: Dynamic color extraction from album artwork, deep UI theming, responsive layout presets, and an integrated CSS editor.
- **Hardware-Accelerated Visuals**: Canvas and WebGL visualizers including real-time frequency analyzers, an interactive squiggly progress scrubber, and synchronized karaoke lyrics.
- **Discord Rich Presence**: Real-time playback status reporting track metadata, artist info, and elapsed time to Discord.
- **Zero Telemetry**: No tracking identifiers, analytics pings, or background data collection.
## Built-in Audio Suite
Riff includes an integrated audio engineering toolkit accessible directly within the player interface:
### Visual Audio Editor
- **Lossless Audio Trimming**: Define start and end boundaries to trim tracks without transcoding loss.
- **Region Extraction**: Select and isolate specific audio segments to save as standalone files.
- **Non-Destructive Processing**: Edit operations produce independent files while preserving original source media untouched.
### 10-Band Parametric Equalizer
- Dedicated frequency sliders covering 32 Hz through 16 kHz with pre-configured acoustic profiles (Bass Boost, Vocal Clarity, Electronic, Flat, Rock).
- Per-channel gain adjustments with real-time Web Audio API signal processing.
### Real-Time DSP Effects Chain
- **Tempo Control**: Dynamically speed up or slow down playback rate without altering pitch.
- **Pitch Shifting