Add target class for benchmark

src/FancyFx.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <JuceHeader.h>
+
+class FancyFx
+{
+public:
+    FancyFx() = default;
+    void render (juce::AudioBuffer<float>& out_buffer)
+    {
+
+        for (int channel = 0; channel < out_buffer.getNumChannels(); ++channel)
+        {
+            auto* channelData = out_buffer.getWritePointer (channel);
+            for (int i = 0; i < out_buffer.getNumSamples(); i++)
+            {
+                channelData[i] = channelData[i] * gain;
+            }
+        }
+    }
+private:
+    const float gain = 0.3f;
+
+};

src/PluginProcessor.cpp

@@ -21,6 +21,7 @@ JuceBenchmarkAudioProcessor::JuceBenchmarkAudioProcessor()
                      #endif
                        )
 #endif
+     , fancy_fx()
 {
 }
 
@@ -150,12 +151,7 @@ void JuceBenchmarkAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer
     // the samples and the outer loop is handling the channels.
     // Alternatively, you can process the samples with the channels
     // interleaved by keeping the same state.
-    for (int channel = 0; channel < totalNumInputChannels; ++channel)
-    {
-        auto* channelData = buffer.getWritePointer (channel);
-
-        // ..do something to the data...
-    }
+    fancy_fx.render(buffer);
 }
 
 //==============================================================================

src/PluginProcessor.h

@@ -9,6 +9,7 @@
 #pragma once
 
 #include <JuceHeader.h>
+#include "FancyFx.h"
 
 //==============================================================================
 /**
@@ -54,6 +55,9 @@ class JuceBenchmarkAudioProcessor  : public juce::AudioProcessor
     void setStateInformation (const void* data, int sizeInBytes) override;
 
 private:
+    //==============================================================================
+    FancyFx fancy_fx;
+
     //==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JuceBenchmarkAudioProcessor)
 };