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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 /* */
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16 /* 2. Any modifications must be clearly marked as such. */
17 /* 3. Original authors' names are not deleted. */
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19 /* derived from this software without specific prior written */
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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 */
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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 
49 void ConvertToIeeeExtended(double num,unsigned char *bytes);
50 double ConvertFromIeeeExtended(unsigned char *bytes);
51 
52 int get_word_size(enum EST_sample_type_t sample_type);
53 enum EST_sample_type_t str_to_sample_type(const char *type);
54 const char *sample_type_to_str(enum EST_sample_type_t type);
55 
56 short *convert_raw_data(unsigned char *file_data,int data_length,
57  enum EST_sample_type_t sample_type,int bo);
58 enum 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);
61 enum 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__ */