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Version 0.9.0 - Audio Volume Display & Cross-Platform Improvements

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@mrnil mrnil released this 18 May 11:34
· 174 commits to main since this release
Immutable release. Only release title and notes can be modified.
v0.9.0
a28c394

Release Notes - OBS Studio Plugin for Loupedeck/Logitech Devices

Version 0.9.0 - Audio Volume Display & Cross-Platform Improvements

🎉 New Features

Audio Volume Display

  • Real-time Volume Monitoring: Audio mixer and scene audio buttons now display current volume levels (0-100%)
  • Visual Feedback:
    • Green text when unmuted
    • Red text when muted
    • Input name and volume percentage clearly displayed
  • Live Updates: Volume display updates automatically when changed in OBS or via hardware controls

Enhanced Audio Controls

  • Mute/Unmute Toggle: Press any audio button to toggle mute state
  • Scene-Specific Audio: Scene Audio folder shows only audio inputs present in the current scene
  • Clean Display: Display name overlay hidden for better readability

🔧 Improvements

Cross-Platform Compatibility

  • Full macOS Support: Eliminated all Windows-only dependencies
  • Zero Platform Warnings: All 78 CA1416 platform-specific warnings resolved
  • Native SDK Usage: Uses Loupedeck SDK's cross-platform BitmapBuilder/BitmapImage APIs

Performance Optimizations

  • Efficient Image Caching: 16 commands now use ActionImageStore pattern for reduced rendering overhead
  • Real-time State Updates: Audio buttons generate fresh images to reflect current state immediately
  • Smart Update Strategy: Uses ButtonActionNamesChanged() for reliable folder button updates

User Experience

  • Better Text Spacing: Extra line break between input name and volume percentage
  • Consistent Font Sizing: 18pt (large buttons) / 16pt (small buttons)
  • Cleaner Interface: Removed display name overlays from audio buttons

🐛 Bug Fixes

  • Fixed audio buttons not updating when mute state changes
  • Fixed audio buttons not updating when volume changes in OBS
  • Fixed incorrect resource loading (EmbeddedResources → PluginResources)
  • Fixed BitmapBuilder SVG compatibility issues
  • Fixed ActionImageStore caching preventing real-time updates
  • Fixed BitmapColor property access errors in TextWithBackgroundImageFactory

🗑️ Removed

  • Removed Windows-only System.Drawing dependencies (BitmapHelper.cs)
  • Removed unused image factories (IconWithTextImageFactory, IconWithTextImageData)
  • Removed icon rendering from audio buttons (SVG compatibility issues)

📋 Technical Details

API Additions

  • GetInputVolume(inputName) - Returns volume level (0.0-1.0)
  • SetInputVolume(inputName, volumeMul) - Sets volume level
  • OnInputVolumeChanged(inputName) - Event handler for volume changes

Architecture Changes

  • Audio buttons no longer use ActionImageStore caching (real-time state requires fresh rendering)
  • ButtonActionNamesChanged() used instead of CommandImageChanged() for dynamic folder updates
  • Direct ButtonTextRenderer calls for audio buttons to ensure current state display

🔮 Future Enhancements

Planned for future releases:

  • Volume adjustment controls (faders/encoders)
  • Audio monitoring toggle (hear sources in headphones)
  • Audio sync offset adjustment
  • Audio track assignment controls
  • Audio filter enable/disable
  • Replay buffer controls
  • Studio mode toggle

📦 Installation

  1. Download the latest release
  2. Build the project: 
    dotnet build src/OBSStudioForLogiPlugin.csproj -c Release
  3. Plugin automatically installs to Logi Plugin Service
  4. Launch OBS Studio - plugin connects automatically

📖 Documentation

🙏 Acknowledgments

This release includes significant improvements to cross-platform compatibility and real-time audio monitoring capabilities, making the plugin more reliable and feature-rich for content creators on both Windows and macOS.

Requirements:

  • OBS Studio 28.0+ with obs-websocket 5.0+
  • Logi Plugin Service installed
  • .NET 8.0 SDK (for development)

Compatibility:

  • Windows 10/11
  • macOS 10.15+
  • Loupedeck Live, Loupedeck Live S, Loupedeck CT, Logitech MX Creative Console
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