#include <math.h>
#include <samplerate.h>
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#ifndef __interpolation_h__
namespace ARDOUR {
-class Interpolation {
+class LIBARDOUR_API Interpolation {
protected:
double _speed;
double _target_speed;
void set_speed (double new_speed) { _speed = new_speed; _target_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; }
-
+
void add_channel_to (int /*input_buffer_size*/, int /*output_buffer_size*/) { phase.push_back (0.0); }
void remove_channel_from () { phase.pop_back (); }
-
+
void reset () {
for (size_t i = 0; i < phase.size(); i++) {
phase[i] = 0.0;
}
};
-class LinearInterpolation : public Interpolation {
+class LIBARDOUR_API LinearInterpolation : public Interpolation {
public:
framecnt_t interpolate (int channel, framecnt_t nframes, Sample* input, Sample* output);
};
-class CubicInterpolation : public Interpolation {
+class LIBARDOUR_API CubicInterpolation : public Interpolation {
public:
framecnt_t interpolate (int channel, framecnt_t nframes, Sample* input, Sample* output);
};
+class BufferSet;
+
+class LIBARDOUR_API CubicMidiInterpolation : public Interpolation {
+public:
+ framecnt_t distance (framecnt_t nframes, bool roll = true);
+};
+
} // namespace ARDOUR
#endif