segmentercpu.h

#pragma once
#include <cmath>

class SegmenterCPU
{
private:
	size_t m_buffer_size;
	short * m_tmpbuffer;
	float * m_window;
	int m_window_size,
		m_window_size2,
		m_shift,
		m_deltasize,
		m_remaining_samples,
		m_samples;
	bool m_flushed,
		m_last_calc_flushed;

	void segment_data(float * data_out, int window_count);
public:
	void init(int window_size, int shift, int window_limit, int deltasize);
	void cleanup();

	void set_window(const float * window);
	void set_input(const short * data_in, float * data_out, int samples, int & window_count, int & window_count_no_delta);
	void flush(float * data_out, int & window_count, int & window_count_no_delta);

	int get_remaining_samples() const { return m_remaining_samples; }
	int get_samples() const { return m_samples; }
	bool is_flushed() const { return m_flushed; }
	bool was_flushed() const { return m_last_calc_flushed; }

	int estimated_window_count(int samples) const
	{
		return (int)floor(float(samples - (m_window_size - m_shift)) / m_shift);
	}
};