/usr/include/flite/cst_wave.h is in flite1-dev 1.4-release-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 1999 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: August 2000 */
/*************************************************************************/
/* */
/* Waveforms */
/* */
/*************************************************************************/
#ifndef _CST_WAVE_H__
#define _CST_WAVE_H__
#include "cst_file.h"
#include "cst_error.h"
#include "cst_alloc.h"
#include "cst_endian.h"
#include "cst_file.h"
#include "cst_val.h"
typedef struct cst_wave_struct {
const char *type;
int sample_rate;
int num_samples;
int num_channels;
short *samples;
} cst_wave;
typedef struct cst_wave_header_struct {
const char *type;
int hsize;
int num_bytes;
int sample_rate;
int num_samples;
int num_channels;
} cst_wave_header;
cst_wave *new_wave();
cst_wave *copy_wave(const cst_wave *w);
void delete_wave(cst_wave *val);
cst_wave *concat_wave(cst_wave *dest, const cst_wave *src);
#define cst_wave_num_samples(w) (w?w->num_samples:0)
#define cst_wave_num_channels(w) (w?w->num_channels:0)
#define cst_wave_sample_rate(w) (w?w->sample_rate:0)
#define cst_wave_samples(w) (w->samples)
#define cst_wave_set_num_samples(w,s) w->num_samples=s
#define cst_wave_set_num_channels(w,s) w->num_channels=s
#define cst_wave_set_sample_rate(w,s) w->sample_rate=s
int cst_wave_save(cst_wave *w, const char *filename, const char *type);
int cst_wave_save_riff(cst_wave *w, const char *filename);
int cst_wave_save_raw(cst_wave *w, const char *filename);
int cst_wave_append_riff(cst_wave *w,const char *filename);
int cst_wave_save_riff_fd(cst_wave *w, cst_file fd);
int cst_wave_save_raw_fd(cst_wave *w, cst_file fd);
int cst_wave_load(cst_wave *w, const char *filename, const char *type);
int cst_wave_load_riff(cst_wave *w, const char *filename);
int cst_wave_load_raw(cst_wave *w, const char *filename,
const char *bo, int sample_rate);
int cst_wave_load_riff_header(cst_wave_header *header,cst_file fd);
int cst_wave_load_riff_fd(cst_wave *w, cst_file fd);
int cst_wave_load_raw_fd (cst_wave *w, cst_file fd,
const char *bo, int sample_rate);
void cst_wave_resize(cst_wave *w,int samples, int num_channels);
void cst_wave_resample(cst_wave *w, int sample_rate);
void cst_wave_rescale(cst_wave *w, int factor);
/* Resampling code */
typedef struct cst_rateconv_struct {
int channels; /* what do you think? */
int up, down; /* up/down sampling ratio */
double gain; /* output gain */
int lag; /* lag time (in samples) */
int *sin, *sout, *coep; /* filter buffers, coefficients */
/* n.b. outsize is the minimum buffer size for
cst_rateconv_out() when streaming */
int insize, outsize; /* size of filter buffers */
int incount; /* amount of input data */
int len; /* size of filter */
/* internal foo coefficients */
double fsin, fgk, fgg;
/* internal counters */
int inbaseidx, inoffset, cycctr, outidx;
} cst_rateconv;
cst_rateconv * new_rateconv(int up, int down, int channels);
void delete_rateconv(cst_rateconv *filt);
int cst_rateconv_in(cst_rateconv *filt, const short *inptr, int max);
int cst_rateconv_leadout(cst_rateconv *filt);
int cst_rateconv_out(cst_rateconv *filt, short *outptr, int max);
/* File format cruft. */
#define RIFF_FORMAT_PCM 0x0001
#define RIFF_FORMAT_ADPCM 0x0002
#define RIFF_FORMAT_MULAW 0x0006
#define RIFF_FORMAT_ALAW 0x0007
/* Sun/Next header, short and sweet, note its always BIG_ENDIAN though */
typedef struct {
unsigned int magic; /* magic number */
unsigned int hdr_size; /* size of this header */
int data_size; /* length of data (optional) */
unsigned int encoding; /* data encoding format */
unsigned int sample_rate; /* samples per second */
unsigned int channels; /* number of interleaved channels */
} snd_header;
#define CST_SND_MAGIC (unsigned int)0x2e736e64
#define CST_SND_ULAW 1
#define CST_SND_UCHAR 2
#define CST_SND_SHORT 3
/* Convertion functions */
unsigned char cst_short_to_ulaw(short sample);
short cst_ulaw_to_short(unsigned char ulawbyte);
CST_VAL_USER_TYPE_DCLS(wave,cst_wave)
#endif
|