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RELEASE_NOTES.md

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ofxAVS v1.0.1

Audio and beat detection improvements.

New Features

  • Stereo spectrum analysis - separate FFT for left and right channels instead of mono mix
  • Modern audio mode - optional processing with spectral flux beat detection, more accurate than energy-based Classic mode
  • Runtime audio mode switching - toggle between Classic (original Winamp) and Modern audio processing
  • Improved progress bar - song title overlaid on seekable progress bar with drag support

Changes

  • Beat detector auto-keep now defaults to OFF for more reliable BPM lock-in

UI Improvements

  • Multiwindow layout: wider chain window (420px), taller input panel
  • Narrower audio device dropdowns for better fit in compact layouts

ofxAVS v1.0.0

Initial public release of ofxAVS - bringing Nullsoft's legendary Winamp visualizer to creative coding.

Features

  • 49 effects ported from original AVS (96% coverage)
  • Full preset compatibility - load original .avs preset files
  • Built-in audio management - microphone input or audio file playback
  • Live MIDI input - connect hardware controllers with channel filtering and debug window
  • ImGui-based UI - effect chain editing with parameter controls
  • Beat detection - automatic BPM detection and beat-triggered effects
  • Session persistence - effect chains, audio and MIDI settings saved between sessions
  • Cross-platform - macOS, Linux (Raspberry Pi tested)

Installation

  1. Download the DMG for your Mac architecture:
    • Apple Silicon (M1/M2/M3): arm64 version
    • Intel: intel version
  2. Open the DMG and drag to Applications

Controls

Key Action
Cmd+S Save preset
Cmd+L Load preset
Space Play/pause audio
P Toggle effect profiling
` Toggle MIDI debug output
Drag & drop Load .avs presets, audio files, .mid MIDI files

macOS Security

The app is not signed with an Apple Developer certificate. On first launch:

  1. macOS will say it "can't be opened because Apple cannot check it for malicious software"
  2. Go to System Settings → Privacy & Security
  3. Scroll down and click Open Anyway next to the app name

Requirements

  • macOS 11.0 or later
  • Linux support via source build (see docs/BUILD.md)

Attribution

Based on original AVS source code by Nullsoft, Inc. AVS Copyright (C) 2005 Nullsoft, Inc.