hvirtual/plugins/timestretch/timestretchengine.h

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#ifndef TIMESTRETCHENGINE_H
#define TIMESTRETCHENGINE_H


#include <stdint.h>


class TimeStretchEngine
{
public:
// scale = out length / in length
        TimeStretchEngine(double scale, int sample_rate);
        ~TimeStretchEngine();

        void overlay(double *out, double *in, int size, int skirt);
// Returns the number of samples in the output buffer
        int process(double *in_buffer, int in_size);
// Return the output buffer
        double* get_samples();
// Increment output buffer counters and shift output
        void read_output(double *buffer, int size);

private:
// ms length of average window
        int window_time;
        int sample_rate;
        int window_size;
// Queer eye for the straight buffer
        int window_skirt;
        double *output;
        int output_allocation;
        int output_size;
// Sample at beginning of output buffer
        int64_t output_sample;
        double *input;
        int input_allocation;
        int input_size;
// Sample at beginning of input buffer
        int64_t input_sample;
        double scale;
};





#endif

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