update VST parameter handling (use UI widget min/max info for VST parameter range translation)

README.md

@@ -22,7 +22,7 @@ Tested in
 # Downloads
 The current release can be found in the [vst2_bin/](vst2_bin/) folder.
 
-Here's a snapshot of it: [veeseevstrack_0_6_1_win64_bin-08Jul2018.7z](dist/veeseevstrack_0_6_1_win64_bin-08Jul2018.7z) (64bit)
+Here's a snapshot of it: [veeseevstrack_0_6_1_win64_bin-08Jul2018b.7z](dist/veeseevstrack_0_6_1_win64_bin-08Jul2018b.7z) (64bit)
 
 
 # Demo Video

include/app.hpp

@@ -93,6 +93,8 @@ struct ModuleWidget : OpaqueWidget {
 	*/
 	virtual void appendContextMenu(Menu *menu) {}
 
+   ParamWidget *findParamWidgetByParamId(int _paramId);
+
 	void draw(NVGcontext *vg) override;
 	void drawShadow(NVGcontext *vg);
 
@@ -174,6 +176,7 @@ struct RackWidget : OpaqueWidget {
 	void addModule(ModuleWidget *m);
 	/** Removes the module and transfers ownership to the caller */
 	void deleteModule(ModuleWidget *m);
+   ModuleWidget *findModuleWidgetByModule(Module *_module);
 	void cloneModule(ModuleWidget *m);
 	/** Sets a module's box if non-colliding. Returns true if set */
 	bool requestModuleBox(ModuleWidget *m, Rect box);

include/global_ui.hpp

@@ -81,6 +81,8 @@ struct GlobalUI {
       RackWidget *gRackWidget;
       Toolbar *gToolbar;
       RackScene *gRackScene;
+
+      std::mutex mtx_param;
    } app;
 
 #ifdef USE_VST2

plugins/community/repos/Fundamental/src/VCA.cpp

@@ -34,8 +34,6 @@ static void stepChannel(Input &in, Param &level, Input &lin, Input &exp, Output
 	const float expBase = 50.0f;
 	if (exp.active)
 		v *= rescale(powf(expBase, clamp(exp.value / 10.0f, 0.0f, 1.0f)), 1.0f, expBase, 0.0f, 1.0f);
-   v += 100.0f;
-   v -= 100.0f;
    out.value = v;
 }
 

src/app/ModuleWidget.cpp

@@ -207,6 +207,14 @@ void ModuleWidget::randomize() {
 	}
 }
 
+ParamWidget *ModuleWidget::findParamWidgetByParamId(int _paramId) {
+	for (ParamWidget *param : params) {
+      if(param->paramId == _paramId)
+         return param;
+   }
+   return NULL;
+}
+
 void ModuleWidget::draw(NVGcontext *vg) {
 	nvgScissor(vg, 0, 0, box.size.x, box.size.y);
 	Widget::draw(vg);

src/app/RackWidget.cpp

@@ -410,13 +410,26 @@ void RackWidget::fromJson(json_t *rootJ) {
 }
 
 void RackWidget::addModule(ModuleWidget *m) {
+   rack::global_ui->app.mtx_param.lock();
 	moduleContainer->addChild(m);
 	m->create();
+   rack::global_ui->app.mtx_param.unlock();
 }
 
 void RackWidget::deleteModule(ModuleWidget *m) {
+   rack::global_ui->app.mtx_param.lock();
 	m->_delete();
 	moduleContainer->removeChild(m);
+   rack::global_ui->app.mtx_param.unlock();
+}
+
+ModuleWidget *RackWidget::findModuleWidgetByModule(Module *_module) {
+	for (Widget *w : moduleContainer->children) {
+		ModuleWidget *moduleWidget = dynamic_cast<ModuleWidget*>(w);
+      if(moduleWidget->module == _module)
+         return moduleWidget;
+   }
+   return NULL;   
 }
 
 void RackWidget::cloneModule(ModuleWidget *m) {

src/engine.cpp

@@ -10,8 +10,12 @@
 #include <pmmintrin.h>
 
 #include "global_pre.hpp"
+#include "app.hpp"
 #include "engine.hpp"
+#include "plugin.hpp"
+#include "window.hpp"
 #include "global.hpp"
+#include "global_ui.hpp"
 
 
 #ifdef USE_VST2
@@ -286,18 +290,40 @@ void engineSetParam(Module *module, int paramId, float value) {
       // (note) [bsp] this is usually called from the UI thread (see ParamWidget.cpp)
       // (note) [bsp] VST requires all parameters to be in the normalized 0..1 range
       // (note) [bsp] VCV Rack parameters however are arbitrary floats
-      // (note) [bsp] this scale+bias hack should work for most parameters, though
-      // (note) [bsp]  => automation curves will look a bit strange, though
-      // (note) [bsp]  => this may potentially crash modules which cannot deal with params outside the expected range
-      // (todo) add min/max query methods to each module
-      float normValue = value / 2.0f;
-      normValue += 0.5f;
       // printf("xxx vcvrack: paramId=%d value=%f (=> %f)\n", paramId, value, normValue);
       int uniqueParamId = loc_vst2_find_unique_param_by_module_and_paramid(module, paramId);
       if(-1 != uniqueParamId)
       {
-         // Call host audioMasterAutomate
-         vst2_handle_ui_param(uniqueParamId, normValue);
+         ModuleWidget *moduleWidget = global_ui->app.gRackWidget->findModuleWidgetByModule(module);
+         if(NULL != moduleWidget)
+         {
+            // Find 
+            ParamWidget *paramWidget = moduleWidget->findParamWidgetByParamId(paramId);
+            if(NULL != paramWidget)
+            {
+               // Normalize parameter
+               float paramRange = (paramWidget->maxValue - paramWidget->minValue);
+               if(paramRange > 0.0f)
+               {
+                  float normValue = (value - paramWidget->minValue) / paramRange;
+                  // printf("xxx paramId=%d normValue=%f\n", paramId, normValue);
+
+                  // Call host audioMasterAutomate
+                  vst2_handle_ui_param(uniqueParamId, normValue);
+               }
+            }
+         }
+         // else
+         // {
+         //    // Should not be reachable
+         //    // (note) [bsp] this scale+bias hack should work for most parameters, though
+         //    // (note) [bsp]  => automation curves will look a bit strange, though
+         //    // (note) [bsp]  => this may potentially crash modules which cannot deal with params outside the expected range
+         //    float normValue = value / 2.0f;
+         //    normValue += 0.5f;
+         //    // Call host audioMasterAutomate
+         //    vst2_handle_ui_param(uniqueParamId, normValue);
+         // }
       }
    }
 #endif // USE_VST2
@@ -318,19 +344,37 @@ void vst2_queue_param(int uniqueParamId, float normValue) {
 void vst2_handle_queued_params(void) {
    // Called in processReplacing()
    //  (note) protected by caller mutex
-   // vector<VST2QueuedParam>::iterator it;
-   // for(it = global->vst2.queued_params.begin(); it != global->vst2.queued_params.end(); it++)
+   global_ui->app.mtx_param.lock();
    for(VST2QueuedParam qp : global->vst2.queued_params)
    {
       Module *module;
       int paramId;
       if(loc_vst2_find_module_and_paramid_by_unique_paramid(qp.unique_id, &module, &paramId))
       {
-         float value = qp.norm_value - 0.5f;
-         value *= 2.0f;
-         engineSetParam(module, paramId, value, false/*bVSTAutomate*/);
+         ModuleWidget *moduleWidget = global_ui->app.gRackWidget->findModuleWidgetByModule(module);
+         if(NULL != moduleWidget)
+         {
+            // Find 
+            ParamWidget *paramWidget = moduleWidget->findParamWidgetByParamId(paramId);
+            if(NULL != paramWidget)
+            {
+               // Normalize parameter
+               float paramRange = (paramWidget->maxValue - paramWidget->minValue);
+               if(paramRange > 0.0f)
+               {
+                  // float value = qp.norm_value - 0.5f;
+                  // value *= 2.0f;
+                  float value = (qp.norm_value * paramRange) + paramWidget->minValue;
+                  engineSetParam(module, paramId, value, false/*bVSTAutomate*/);
+
+                  // Update UI widget
+                  paramWidget->setValue(value);
+               }
+            }
+         }
       }
    }
+   global_ui->app.mtx_param.unlock();
    global->vst2.queued_params.clear();
 }
 

vst2_bin/CHANGELOG_VST.txt

@@ -26,6 +26,7 @@
 - fix: load "settings.json" when plugin is initialized
    (note: the windowSize/windowPos and sampleRate are ignored)
 - change: "allowCursorLock" is now enabled by default
+- update VST parameter handling (now uses UI widget min/max info for VST parameter range translation)
 
 
 ** July 7th, 2018

vst2_bin/log.txt

@@ -3,17 +3,17 @@
 [0.000 info src/main.cpp:67] Local directory: f:\git\VeeSeeVSTRack\vst2_bin\/
 [0.000 info src/plugin.cpp:627] vcvrack: Loaded static plugin AS 0.6.1
 [0.000 info src/plugin.cpp:627] vcvrack: Loaded static plugin AudibleInstruments 0.6.1
-[0.002 info src/plugin.cpp:627] vcvrack: Loaded static plugin Befaco 0.6.1
+[0.001 info src/plugin.cpp:627] vcvrack: Loaded static plugin Befaco 0.6.1
 [0.002 info src/plugin.cpp:627] vcvrack: Loaded static plugin Bidoo 0.6.1
-[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin Bogaudio 0.6.1
-[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin cf 0.6.1
-[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin DHE-Modules 0.6.1
+[0.002 info src/plugin.cpp:627] vcvrack: Loaded static plugin Bogaudio 0.6.1
+[0.002 info src/plugin.cpp:627] vcvrack: Loaded static plugin cf 0.6.1
+[0.002 info src/plugin.cpp:627] vcvrack: Loaded static plugin DHE-Modules 0.6.1
 [0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin ErraticInstruments 0.6.1
 [0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin ESeries 0.6.1
-[0.004 info src/plugin.cpp:627] vcvrack: Loaded static plugin FrozenWasteland 0.6.1
-[0.004 info src/plugin.cpp:627] vcvrack: Loaded static plugin Fundamental 0.6.1
-[0.004 info src/plugin.cpp:627] vcvrack: Loaded static plugin HetrickCV 0.6.1
-[0.004 info src/plugin.cpp:627] vcvrack: Loaded static plugin huaba 0.6.1
+[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin FrozenWasteland 0.6.1
+[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin Fundamental 0.6.1
+[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin HetrickCV 0.6.1
+[0.003 info src/plugin.cpp:627] vcvrack: Loaded static plugin huaba 0.6.1
 [0.004 info src/plugin.cpp:627] vcvrack: Loaded static plugin Koralfx-Modules 0.6.1
 [0.004 info src/plugin.cpp:627] vcvrack: Loaded static plugin LindenbergResearch 0.6.1
 [0.005 info src/plugin.cpp:627] vcvrack: Loaded static plugin LOGinstruments 0.6.1
@@ -23,50 +23,47 @@
 [0.005 info src/plugin.cpp:627] vcvrack: Loaded static plugin mtsch-plugins 0.6.1
 [0.005 info src/plugin.cpp:627] vcvrack: Loaded static plugin NauModular 0.6.1
 [0.006 info src/plugin.cpp:627] vcvrack: Loaded static plugin Qwelk 0.6.1
-[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin SonusModular 0.6.1
-[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin Southpole-parasites 0.6.1
-[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin squinkylabs-plug1 0.6.1
-[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin SubmarineFree 0.6.1
-[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin Template 0.6.1
+[0.006 info src/plugin.cpp:627] vcvrack: Loaded static plugin SonusModular 0.6.1
+[0.006 info src/plugin.cpp:627] vcvrack: Loaded static plugin Southpole-parasites 0.6.1
+[0.006 info src/plugin.cpp:627] vcvrack: Loaded static plugin squinkylabs-plug1 0.6.1
+[0.006 info src/plugin.cpp:627] vcvrack: Loaded static plugin SubmarineFree 0.6.1
+[0.006 info src/plugin.cpp:627] vcvrack: Loaded static plugin Template 0.6.1
 [0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin trowaSoft 0.6.1
-[0.008 info src/plugin.cpp:627] vcvrack: Loaded static plugin Valley 0.6.1
-[0.008 info src/plugin.cpp:627] vcvrack: Loaded static plugin VultModules 0.6.1
-[0.008 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_146097_cc.svg
+[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin Valley 0.6.1
+[0.007 info src/plugin.cpp:627] vcvrack: Loaded static plugin VultModules 0.6.1
+[0.007 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_146097_cc.svg
 [0.008 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_31859_cc.svg
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-[0.009 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1343811_cc.svg
-[0.010 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1084369_cc.svg
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-[0.010 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1240789_cc.svg
-[0.010 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_305536_cc.svg
+[0.008 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1343811_cc.svg
+[0.008 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1084369_cc.svg
+[0.008 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1745061_cc.svg
+[0.009 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_1240789_cc.svg
+[0.009 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_305536_cc.svg
 [0.010 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/icons/noun_468341_cc.svg
-[0.196 info src/window.cpp:703] Loaded font f:\git\VeeSeeVSTRack\vst2_bin\/res/fonts/DejaVuSans.ttf
-[0.198 info src/settings.cpp:185] Loading settings f:\git\VeeSeeVSTRack\vst2_bin\/settings.json
-[0.299 info src/app/RackWidget.cpp:192] Loading patch from string
-[0.300 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/Core/AudioInterface.svg
-[0.301 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/ScrewSilver.svg
-[0.301 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/PJ301M.svg
-[0.301 info src/window.cpp:703] Loaded font f:\git\VeeSeeVSTRack\vst2_bin\/res/fonts/ShareTechMono-Regular.ttf
-[0.302 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/Core/MIDIToCVInterface.svg
-[0.305 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/XCO.svg
-[0.305 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/knob_68px.svg
-[0.305 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/knob_16px.svg
-[0.306 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/button_9px_0.svg
-[0.306 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/button_9px_1.svg
-[0.306 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/knob_38px.svg
-[0.306 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/slider_switch_2_14px_0.svg
-[0.306 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/slider_switch_2_14px_1.svg
-[0.307 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/port.svg
-[0.307 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Fundamental/res/VCA.svg
-[0.308 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/RoundLargeBlackKnob.svg
-[0.308 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Fundamental/res/VCF.svg
-[0.309 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/RoundHugeBlackKnob.svg
-[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/ADSR.svg
-[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-hexscrew.svg
-[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-SlidePot.svg
-[0.311 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-SlidePotHandle.svg
-[0.311 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-PJ301M.svg
-[0.312 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Fundamental/res/VCMixer.svg
-[0.313 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/LEDSlider.svg
-[0.313 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/LEDSliderGreenHandle.svg
-[16.370 info src/app/RackWidget.cpp:154] Saving patch to string
+[0.200 info src/window.cpp:703] Loaded font f:\git\VeeSeeVSTRack\vst2_bin\/res/fonts/DejaVuSans.ttf
+[0.202 info src/settings.cpp:185] Loading settings f:\git\VeeSeeVSTRack\vst2_bin\/settings.json
+[0.303 info src/app/RackWidget.cpp:192] Loading patch from string
+[0.304 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/Core/AudioInterface.svg
+[0.305 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/ScrewSilver.svg
+[0.305 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/PJ301M.svg
+[0.305 info src/window.cpp:703] Loaded font f:\git\VeeSeeVSTRack\vst2_bin\/res/fonts/ShareTechMono-Regular.ttf
+[0.306 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/Core/MIDIToCVInterface.svg
+[0.309 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/XCO.svg
+[0.309 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/knob_68px.svg
+[0.309 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/knob_16px.svg
+[0.309 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/button_9px_0.svg
+[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/button_9px_1.svg
+[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/knob_38px.svg
+[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/slider_switch_2_14px_0.svg
+[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/slider_switch_2_14px_1.svg
+[0.310 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Bogaudio/res/port.svg
+[0.311 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Fundamental/res/VCA.svg
+[0.311 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/RoundLargeBlackKnob.svg
+[0.312 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/Fundamental/res/VCF.svg
+[0.312 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\/res/ComponentLibrary/RoundHugeBlackKnob.svg
+[0.313 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/ADSR.svg
+[0.314 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-hexscrew.svg
+[0.314 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-SlidePot.svg
+[0.314 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-SlidePotHandle.svg
+[0.315 info src/window.cpp:754] Loaded SVG f:\git\VeeSeeVSTRack\vst2_bin\plugins/AS/res/as-PJ301M.svg
+[10.130 info src/app/RackWidget.cpp:154] Saving patch to string