EST_wave_utils.h

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/*************************************************************************/
/*                                                                       */
/*                Centre for Speech Technology Research                  */
/*                     University of Edinburgh, UK                       */
/*                         Copyright (c) 1996                            */
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/*************************************************************************/
/*                 Author :  Alan Black and Paul Taylor                  */
/*                 Date   :  June 1996                                   */
/*-----------------------------------------------------------------------*/
/*               General low level wave utils (C++)                      */
/*  Conversion routines and lowest level file format independent read    */
/*  and write functions                                                  */
/*                                                                       */
/*=======================================================================*/
#ifndef __EST_WAVE_UTILS_H__
#define __EST_WAVE_UTILS_H__

#include <cstdio>
#include "EST_cutils.h"
#include "EST_rw_status.h"
#include "EST_WaveFile.h"

void ConvertToIeeeExtended(double num,unsigned char *bytes);
double ConvertFromIeeeExtended(unsigned char *bytes);

int get_word_size(enum EST_sample_type_t sample_type);
enum EST_sample_type_t str_to_sample_type(const char *type);
const char *sample_type_to_str(enum EST_sample_type_t type);

short *convert_raw_data(unsigned char *file_data,int data_length,
            enum EST_sample_type_t sample_type,int bo);
enum EST_write_status save_raw_data(FILE *fp, const short *data, int offset,
                   int num_samples, int num_channels, 
                   enum EST_sample_type_t sample_type, int bo);
enum EST_write_status save_raw_data_nc(FILE *fp, const short *data, int offset,
                   int num_samples, int num_channels, 
                   enum EST_sample_type_t sample_type, int bo);
    
#endif /* __EST_WAVE_UTILS_H__ */