Version 4.0

include/PitShift.h

@@ -0,0 +1,56 @@
+/***************************************************/
+/*! \class PitShift
+    \brief STK simple pitch shifter effect class.
+
+    This class implements a simple pitch shifter
+    using delay lines.
+
+    by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
+*/
+/***************************************************/
+
+#if !defined(__PITSHIFT_H)
+#define __PITSHIFT_H
+
+#include "Stk.h" 
+#include "DelayL.h" 
+
+class PitShift : public Stk
+{
+ public:
+  //! Class constructor.
+  PitShift();
+
+  //! Class destructor.
+  ~PitShift();
+
+  //! Reset and clear all internal state.
+  void clear();
+
+  //! Set the pitch shift factor (1.0 produces no shift).
+  void setShift(MY_FLOAT shift);
+
+  //! Set the mixture of input and processed levels in the output (0.0 = input only, 1.0 = processed only). 
+  void setEffectMix(MY_FLOAT mix);
+
+  //! Return the last output value.
+  MY_FLOAT lastOut() const;
+
+  //! Compute one output sample.
+  MY_FLOAT tick(MY_FLOAT input);
+
+  //! Input \e vectorSize samples to the filter and return an equal number of outputs in \e vector.
+  MY_FLOAT *tick(MY_FLOAT *vector, unsigned int vectorSize);
+
+ protected:  
+  Delay *delayLine[2];
+  MY_FLOAT lastOutput;
+  MY_FLOAT delay[2];
+  MY_FLOAT env[2];
+  MY_FLOAT effectMix;
+  MY_FLOAT rate;
+
+};
+
+#endif
+