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Jamulus VST3 Plugin Implementation #46

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@google-labs-jules google-labs-jules bot commented Dec 17, 2025

Converted Jamulus to VST3 plugin using JUCE.

  • Architectural approach: Hybrid model where JUCE handles VST hosting and GUI, while a headless QCoreApplication instance runs the existing Jamulus client logic.
  • Audio: Implemented src/sound/vst/sound.cpp using a ring buffer to bridge DAW float samples to Jamulus int16 blocks.
  • Dependencies: Stubbed levelmeter.h to decouple QtWidgets, linking only against Qt5::Core/Network.
  • GUI: Native JUCE Editor implemented for basic connection and fader control.
  • Platform: Configured for Linux/Windows VST3 build via CMake.

PR created automatically by Jules for task 17469803722198705924 started by @ignotus666

@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
f6a44a9 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Stubbed `CStereoSignalLevelMeter` to remove `QtWidgets` dependency.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented basic GUI for connection and input level control.
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google-labs-jules bot commented Dec 17, 2025

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@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
287f514 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Removed dependency on `src/levelmeter.cpp` and renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets` (using `util.h` for logic).
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented basic GUI for connection and input level control (mapped to automation).
- Enabled `CMAKE_AUTOMOC` to support Qt Meta-Object Compiler.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
5d681f6 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Removed dependency on `src/levelmeter.cpp` and renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets` (using `util.h` for logic).
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented basic GUI for connection and input level control (mapped to automation).
- Enabled `CMAKE_AUTOMOC` to support Qt Meta-Object Compiler.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
fb4fafd 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Removed dependency on `src/levelmeter.cpp` and renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets` (using `util.h` for logic).
- Excluded `src/sound/midi-win/` from compilation to avoid Windows-specific MIDI/ASIO dependencies on Linux.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented basic GUI for connection and input level control (mapped to automation).
- Enabled `CMAKE_AUTOMOC` to support Qt Meta-Object Compiler.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
c916c26 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp`, `midi-win/`, and invalid audio backends.
- Linked necessary Linux dependencies (GTK, Curl, Opus) with `-fPIC`.
- Removed dependency on `src/levelmeter.cpp` and renamed `levelmeter.h` to `levelmeter_orig.h`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented basic GUI for connection and input level control (mapped to automation).
- Enabled `CMAKE_AUTOMOC` to support Qt Meta-Object Compiler.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
dcbf38e 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented native JUCE GUI with connection settings and input level automation.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
ef2b94b 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented native JUCE GUI with connection settings and input level automation.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
4f1f2f6 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `ServerListListener` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
3f43673 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `ServerListListener` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
d923c65 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals (Server/Client lists) to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (visual) to the VST GUI.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
1693f1f 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed compilation issues (`ProgressBar` property access, string conversions).
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
f0d704b 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed `ProgressBar` API usage and `QString` conversion.
- Updated address parsing to use `ParseNetworkAddressWithSrvDiscovery`.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
27f3971 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
- Fixed Thread Affinity: Initialized `CClient` on Main Thread to ensure correct signal delivery from network thread.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
10ef15f 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
- Fixed Thread Affinity: Initialized `CClient` on Main Thread to ensure correct signal delivery.
- Registered Qt MetaTypes for Jamulus structures to fix QueuedConnection signal dropping.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
366a8d6 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
- Fixed Thread Affinity: Initialized `CClient` on Main Thread to ensure correct signal delivery.
- Registered Qt MetaTypes for Jamulus structures to fix QueuedConnection signal dropping.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
fe9a6f8 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
- Fixed Thread Affinity: Initialized `CClient` on Main Thread to ensure correct signal delivery.
- Registered Qt MetaTypes for Jamulus structures to fix QueuedConnection signal dropping.
- Added `Q_DECLARE_METATYPE` macros to `util.h` for custom types.
@google-labs-jules
Convert Jamulus Client to VST3 Plugin using JUCE
cf1d5d0 
This commit transforms the Jamulus client into a VST3 plugin.
Key changes include:
- Integrated JUCE framework via CMake.
- Implemented `PluginProcessor` and `PluginEditor` to wrap Jamulus logic.
- Created `CSound` VST backend with ring buffer for audio bridging.
- Updated `CMakeLists.txt` to properly exclude `levelmeter.cpp` and `midi-win/`.
- Configured Linux build to find and link GTK, Webkit, and Curl for JUCE.
- Enabled `-fPIC` and `CMAKE_AUTOMOC` for proper shared library and Qt MOC generation.
- Renamed `levelmeter.h` to `levelmeter_orig.h` to decouple from `QtWidgets`.
- Modernized `global.h` to use `<cstdint>` to resolve type conflicts.
- Added `QCoreApplication` management within the plugin to support Jamulus networking.
- Implemented `JamulusBridge` to bridge Qt networking signals to JUCE GUI.
- Added Server List browser, Directory selector, and improved Disconnect logic to VST Editor.
- Added Mixer view with Channel Strips (Client List integration) to the VST GUI.
- Fixed string conversion and access rights issues in `PluginEditor.cpp`.
- Fixed Thread Affinity: Initialized `CClient` on Main Thread to ensure correct signal delivery.
- Registered Qt MetaTypes for Jamulus structures to fix QueuedConnection signal dropping.
- Added `Q_DECLARE_METATYPE` macros to `util.h` for custom types.
@google-labs-jules
Fix VST compilation errors in client.cpp and clean up client.h
592c12f 
Resolved invalid variable usage in `OnCLChannelLevelListReceived` by restoring the original logic.
Removed unused and undefined `OnCLRedServerListReceived` function implementation.
Added proper connection for `CLRedServerListReceived` signal to `OnVSTServerListReceived` slot.
Cleaned up duplicate member definitions in `src/client.h`.
Verified successful build of JamulusVST target.
@google-labs-jules
Fix VST thread affinity for CClient to ensure network signal processing
4f310bf 
Moved CClient to the PluginEditor thread (GUI thread) in the constructor to ensure that `QCoreApplication::processEvents()` correctly processes queued signals from the network thread (server lists, disconnects).
Added logging to `OnVSTServerListReceived` for verification.
Fixed includes in PluginEditor.cpp and client.h.
@google-labs-jules
Fix VST thread affinity and ensure correct build target
bdd7283 
Moved CClient to the PluginEditor thread (GUI thread) in the constructor to ensure that `QCoreApplication::processEvents()` correctly processes queued signals from the network thread (server lists, disconnects).
Removed temporary debug logging from PluginEditor.cpp and client.h.
Verified build using `make JamulusVST_VST3` to ensure VST3 bundle is updated.
@google-labs-jules
Fix VST socket initialization and rebuild
16d3603 
Added explicit `client->Start()` call in `PluginEditor` constructor to ensure the network socket and channel are enabled when the GUI opens. This fixes the issue where server lists could not be fetched and disconnects failed because the underlying network thread was not running.
Rebuilt using `make JamulusVST_VST3` to ensure the VST3 bundle is updated.
@google-labs-jules
Fix VST server list updates with DirectConnection
4b5f9a5 
Modified `src/client.cpp` to use `Qt::DirectConnection` for processing `DetectedCLMessage` and `CLServerListReceived` signals in the VST plugin. This ensures that server list updates (received on the network worker thread) are processed immediately on that thread, bypassing the Qt Event Loop on the GUI thread which may be stalled or blocked in some VST hosts (like Carla).
This change, combined with the previous fix to ensure the socket is started (`client->Start()`), guarantees robust server list fetching.
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