update

Source/PitchShifter.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <vector>
+
+class PitchShifter
+{
+public:
+    void prepare (double sampleRate);
+    void reset();
+
+    float process (float input, float ratio);
+
+private:
+    float at (int index) const;
+    float readCubic (float pos) const;
+
+    std::vector<float> buffer;
+    int bufferSize = 0;
+    int writePos = 0;
+    float o = 0.0f;
+    float baseDelay = 0.0f;
+    float window = 0.0f;
+};