mirror of
https://github.com/thestk/stk
synced 2026-01-11 20:11:52 +00:00
57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
/***************************************************/
|
|
/*! \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
|
|
|