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#include <math.h>
#include "ardour/types.h"
#ifndef __interpolation_h__
#define __interpolation_h__
namespace ARDOUR {
class Interpolation {
protected:
double _speed, _target_speed;
public:
Interpolation () : _speed(0.0L) {}
void set_speed (double new_speed) { _speed = new_speed; }
void set_target_speed (double new_speed) { _target_speed = new_speed; }
double target_speed() const { return _target_speed; }
double speed() const { return _speed; }
virtual nframes_t interpolate (nframes_t nframes, Sample* input, Sample* output) = 0;
};
class LinearInterpolation : public Interpolation {
public:
nframes_t interpolate (nframes_t nframes, Sample* input, Sample* output);
};
} // namespace ARDOUR
#endif
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