Edinburgh Speech Tools 2.4-release
EST_wave_utils.h
1/*************************************************************************/
2/* */
3/* Centre for Speech Technology Research */
4/* University of Edinburgh, UK */
5/* Copyright (c) 1996 */
6/* All Rights Reserved. */
7/* */
8/* Permission is hereby granted, free of charge, to use and distribute */
9/* this software and its documentation without restriction, including */
10/* without limitation the rights to use, copy, modify, merge, publish, */
11/* distribute, sublicense, and/or sell copies of this work, and to */
12/* permit persons to whom this work is furnished to do so, subject to */
13/* the following conditions: */
14/* 1. The code must retain the above copyright notice, this list of */
15/* conditions and the following disclaimer. */
16/* 2. Any modifications must be clearly marked as such. */
17/* 3. Original authors' names are not deleted. */
18/* 4. The authors' names are not used to endorse or promote products */
19/* derived from this software without specific prior written */
20/* permission. */
21/* */
22/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
23/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
24/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
25/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
26/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
27/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
28/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
29/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
30/* THIS SOFTWARE. */
31/* */
32/*************************************************************************/
33/* Author : Alan Black and Paul Taylor */
34/* Date : June 1996 */
35/*-----------------------------------------------------------------------*/
36/* General low level wave utils (C++) */
37/* Conversion routines and lowest level file format independent read */
38/* and write functions */
39/* */
40/*=======================================================================*/
41#ifndef __EST_WAVE_UTILS_H__
42#define __EST_WAVE_UTILS_H__
43
44#include <stdio.h>
45#include "EST_cutils.h"
46#include "EST_rw_status.h"
47#include "EST_WaveFile.h"
48
49void ConvertToIeeeExtended(double num,unsigned char *bytes);
50double ConvertFromIeeeExtended(unsigned char *bytes);
51
52int get_word_size(enum EST_sample_type_t sample_type);
53enum EST_sample_type_t str_to_sample_type(const char *type);
54const char *sample_type_to_str(enum EST_sample_type_t type);
55
56short *convert_raw_data(unsigned char *file_data,int data_length,
57 enum EST_sample_type_t sample_type,int bo);
58enum EST_write_status save_raw_data(FILE *fp, const short *data, int offset,
59 int num_samples, int num_channels,
60 enum EST_sample_type_t sample_type, int bo);
61enum EST_write_status save_raw_data_nc(FILE *fp, const short *data, int offset,
62 int num_samples, int num_channels,
63 enum EST_sample_type_t sample_type, int bo);
64
65#endif /* __EST_WAVE_UTILS_H__ */