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 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__ */ 66