/*
   file: ./process_data.h

*/

/* make sure this file is only included once */

#ifndef __SSPL_PROCESS_DATA
#define __SSPL_PROCESS_DATA

/* system include files */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

/* important definitions */

#define PROGRAM_NAME "computer assignment 1"
#define L_FALSE 0
#define L_TRUE  1

#define SSPL_ERROR 1
#define SSPL_NO_ERROR 0

#define MAX_STRING_LENGTH 1024

#define BYTES_PER_SAMPLE 2

/* local functions */

extern "C" {
  int process_command_line_C(char* output_file, char* input_file,
			     char* param_file, int argc, char** argv);

  int check_for_help_C(int argc, char** argv);

  int get_option_values_C(char* output_file, char* input_file,
			  char* param_file, int argc, char** argv);

  int get_parameters_C(float& sample_frequency,
		       float& frame_duration,
		       float& window_duration,
		       char* param_file);

  int process_file_C(char* output_file, char* input_file,
		     float sample_frequency,
		     float frame_duration,
		     float window_duration);

  int compute_C(float* buffer_out, float* buffer_in, float sample_frequency,
		float frame_duration, float window_duration);

  int read_data_C(float* buffer_in, FILE* fp_in, int frame_duration,
		  float sample_frequency, float frame_duration,
		  float window_duration);

  int write_data_C(float* buffer_out, FILE* fp_out,
		   float sample_frequency, float frame_duration);

  float round_C(float value);
}

/* end of file */

#endif