Set audio port group hints for most example plugins, fixing vst3

Signed-off-by: falkTX <falktx@falktx.com>

examples/CairoUI/CairoExamplePlugin.cpp

@@ -54,6 +54,19 @@ public:
         return d_cconst('d', 'C', 'a', 'i');
     }
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
     void initParameter(uint32_t index, Parameter& parameter)
     {
         // unused

examples/CairoUI/Makefile

@@ -40,7 +40,8 @@ endif # HAVE_LIBLO
 endif # MACOS_OR_WINDOWS
 
 TARGETS += lv2_sep
-TARGETS += vst
+TARGETS += vst2
+TARGETS += vst3
 
 endif # HAVE_CAIRO
 

examples/EmbedExternalUI/EmbedExternalExamplePlugin.cpp

@@ -99,6 +99,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.

examples/FileHandling/FileHandlingPlugin.cpp

@@ -98,6 +98,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.

examples/FileHandling/Makefile

@@ -34,7 +34,8 @@ else
 TARGETS += lv2_dsp
 endif
 
-TARGETS += vst
+TARGETS += vst2
+TARGETS += vst3
 
 all: $(TARGETS)
 

examples/Info/InfoExamplePlugin.cpp

@@ -103,6 +103,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.

examples/Latency/LatencyExamplePlugin.cpp

@@ -108,6 +108,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.

examples/Metronome/ExamplePluginMetronome.cpp

@@ -150,6 +150,19 @@ protected:
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.

examples/Parameters/ExamplePluginParameters.cpp

@@ -110,6 +110,19 @@ The plugin will be treated as an effect, but it will not change the host audio."
         kPortGroupBottom
     };
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Initialize the parameter @a index.
       This function will be called once, shortly after the plugin is created.

examples/SendNote/SendNoteExamplePlugin.cpp

@@ -100,11 +100,20 @@ protected:
     }
 
    /* --------------------------------------------------------------------------------------------------------
-    * Init and Internal data, unused in this plugin */
+    * Init */
 
-    void  initParameter(uint32_t, Parameter&) override {}
-    float getParameterValue(uint32_t) const   override { return 0.0f;}
-    void  setParameterValue(uint32_t, float)  override {}
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupMono;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
 
    /* --------------------------------------------------------------------------------------------------------
     * Audio/MIDI Processing */

examples/States/ExamplePluginStates.cpp

@@ -104,6 +104,19 @@ The plugin will be treated as an effect, but it will not change the host audio."
    /* --------------------------------------------------------------------------------------------------------
     * Init */
 
+   /**
+      Initialize the audio port @a index.@n
+      This function will be called once, shortly after the plugin is created.
+    */
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override
+    {
+        // treat meter audio ports as stereo
+        port.groupId = kPortGroupStereo;
+
+        // everything else is as default
+        Plugin::initAudioPort(input, index, port);
+    }
+
    /**
       Set the name of the program @a index.
       This function will be called once, shortly after the plugin is created.