added channel flip button

mzuther · Aug 28, 2016 · 55e8fd4 · 55e8fd4
1 parent a8a0239
commit 55e8fd4
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Showing 60 changed files with 312 additions and 114 deletions.
diff --git a/Source/plugin_editor.cpp b/Source/plugin_editor.cpp
@@ -132,6 +132,9 @@ KmeterAudioProcessorEditor::KmeterAudioProcessorEditor(KmeterAudioProcessor *own
     ButtonMute.addListener(this);
     addAndMakeVisible(ButtonMute);
 
+    ButtonFlip.addListener(this);
+    addAndMakeVisible(ButtonFlip);
+
     ButtonReset.addListener(this);
     addAndMakeVisible(ButtonReset);
 
@@ -174,6 +177,7 @@ KmeterAudioProcessorEditor::KmeterAudioProcessorEditor(KmeterAudioProcessor *own
     updateParameter(KmeterPluginParameters::selMono);
     updateParameter(KmeterPluginParameters::selDim);
     updateParameter(KmeterPluginParameters::selMute);
+    updateParameter(KmeterPluginParameters::selFlip);
 
     // locate directory containing the skins
     skinDirectory = KmeterPluginParameters::getSkinDirectory();
@@ -245,6 +249,7 @@ void KmeterAudioProcessorEditor::applySkin()
     skin.placeAndSkinButton(&ButtonMono, "button_mono");
     skin.placeAndSkinButton(&ButtonDim, "button_dim");
     skin.placeAndSkinButton(&ButtonMute, "button_mute");
+    skin.placeAndSkinButton(&ButtonFlip, "button_flip");
 
     skin.placeAndSkinButton(&ButtonReset, "button_reset");
     skin.placeAndSkinButton(&ButtonSkin, "button_skin");
@@ -492,6 +497,10 @@ void KmeterAudioProcessorEditor::updateParameter(int nIndex)
         // will also apply skin to plug-in editor
         needsMeterReload = true;
         break;
+
+    case KmeterPluginParameters::selFlip:
+        ButtonFlip.setToggleState(nValue != 0, dontSendNotification);
+        break;
     }
 
     // prevent meter reload during initialisation
@@ -612,6 +621,10 @@ void KmeterAudioProcessorEditor::buttonClicked(Button *button)
     {
         audioProcessor->changeParameter(KmeterPluginParameters::selMute, button->getToggleState() ? 0.0f : 1.0f);
     }
+    else if (button == &ButtonFlip)
+    {
+        audioProcessor->changeParameter(KmeterPluginParameters::selFlip, button->getToggleState() ? 0.0f : 1.0f);
+    }
     else if (button == &ButtonAbout)
     {
         // manually activate button (will be deactivated in dialog

diff --git a/Source/plugin_editor.h b/Source/plugin_editor.h
@@ -99,6 +99,7 @@ class KmeterAudioProcessorEditor : public AudioProcessorEditor, public ButtonLis
     ImageButton ButtonMono;
     ImageButton ButtonDim;
     ImageButton ButtonMute;
+    ImageButton ButtonFlip;
     ImageButton ButtonReset;
 
     ImageButton ButtonValidation;

diff --git a/Source/plugin_parameters.cpp b/Source/plugin_parameters.cpp
@@ -109,6 +109,13 @@ KmeterPluginParameters::KmeterPluginParameters() :
     add(ParameterMute, selMute);
 
 
+    frut::parameter::ParBoolean *ParameterFlip =
+        new frut::parameter::ParBoolean("On", "Off");
+    ParameterFlip->setName("Flip channels");
+    ParameterFlip->setDefaultBoolean(false, true);
+    add(ParameterFlip, selFlip);
+
+
     frut::parameter::ParString *ParameterValidationFileName =
         new frut::parameter::ParString(String::empty);
     ParameterValidationFileName->setName("Validation file");

diff --git a/Source/plugin_parameters.h b/Source/plugin_parameters.h
@@ -56,6 +56,7 @@ class KmeterPluginParameters :
         selMono,
         selDim,
         selMute,
+        selFlip,
 
         numberOfParametersRevealed,
 

diff --git a/Source/plugin_processor.cpp b/Source/plugin_processor.cpp
@@ -499,18 +499,31 @@ void KmeterAudioProcessor::processBlock(AudioBuffer<float> &buffer, MidiBuffer &
         audioFilePlayer->fillBufferChunk(&buffer);
     }
 
-    bool bMono = getBoolean(KmeterPluginParameters::selMono);
-
-    // convert stereo input to mono if "Mono" button has been pressed
-    if (isStereo && bMono)
+    // process two channels only
+    if (isStereo)
     {
-        float *output_left = buffer.getWritePointer(0);
-        float *output_right = buffer.getWritePointer(1);
+        float *inputLeft = buffer.getWritePointer(0);
+        float *inputRight = buffer.getWritePointer(1);
 
-        for (int i = 0; i < nNumSamples; ++i)
+        // "Mono" button has been pressed
+        if (getBoolean(KmeterPluginParameters::selMono))
+        {
+            for (int i = 0; i < nNumSamples; ++i)
+            {
+                inputLeft[i] = 0.5f * (inputLeft[i] + inputRight[i]);
+                inputRight[i] = inputLeft[i];
+            }
+        }
+        // "Flip" button has been pressed
+        else if (getBoolean(KmeterPluginParameters::selFlip))
         {
-            output_left[i] = 0.5f * (output_left[i] + output_right[i]);
-            output_right[i] = output_left[i];
+            for (int i = 0; i < nNumSamples; ++i)
+            {
+                float oldInputLeft = inputLeft[i];
+
+                inputLeft[i] = inputRight[i];
+                inputRight[i] = oldInputLeft;
+            }
         }
     }
 

diff --git a/skins/Default.skin b/skins/Default.skin
@@ -135,9 +135,17 @@
             image_off="buttons/button_mono_off.png"
         />
 
-        <button_dim
+        <button_flip
             x="130"
             y="538"
+            image_on="buttons/button_flip_on.png"
+            image_over="buttons/button_flip_over.png"
+            image_off="buttons/button_flip_off.png"
+        />
+
+        <button_dim
+            x="130"
+            y="488"
             image_on="buttons/button_dim_on.png"
             image_over="buttons/button_dim_over.png"
             image_off="buttons/button_dim_off.png"
@@ -177,7 +185,7 @@
 
         <label_debug
             x="140"
-            y="487"
+            y="462"
             image="labels/label_debug.png"
         />
     </default>
@@ -591,9 +599,17 @@
             image_off="buttons/button_mono_off.png"
         />
 
-        <button_dim
+        <button_flip
             x="130"
             y="518"
+            image_on="buttons/button_flip_on.png"
+            image_over="buttons/button_flip_over.png"
+            image_off="buttons/button_flip_off.png"
+        />
+
+        <button_dim
+            x="130"
+            y="468"
             image_on="buttons/button_dim_on.png"
             image_over="buttons/button_dim_over.png"
             image_off="buttons/button_dim_off.png"
@@ -625,7 +641,7 @@
 
         <label_debug
             x="140"
-            y="467"
+            y="441"
             image="labels/label_debug.png"
         />
 
@@ -871,9 +887,17 @@
             image_off="buttons/button_mono_off.png"
         />
 
-        <button_dim
+        <button_flip
             x="354"
             y="518"
+            image_on="buttons/button_flip_on.png"
+            image_over="buttons/button_flip_over.png"
+            image_off="buttons/button_flip_off.png"
+        />
+
+        <button_dim
+            x="354"
+            y="468"
             image_on="buttons/button_dim_on.png"
             image_over="buttons/button_dim_over.png"
             image_off="buttons/button_dim_off.png"
@@ -913,7 +937,7 @@
 
         <label_debug
             x="364"
-            y="467"
+            y="441"
             image="labels/label_debug.png"
         />