ref: c29dae2f4df4a98a1cee38ef86021c00edf59e3e
dir: /src/sample.h/
/*
Copyright (C) 2003 Paul Brossier
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _SAMPLE_H
#define _SAMPLE_H
#ifdef __cplusplus
extern "C" {
#endif
/** @file
* Sample buffers
*
* Create fvec_t and cvec_t buffers
*/
/**
* Sample buffer type
*
* contains length and channels number
*/
typedef struct _fvec_t fvec_t;
/**
* Spectrum buffer type
*
* contains length and channels number
*/
typedef struct _cvec_t cvec_t;
/**
* Buffer for audio samples
*/
struct _fvec_t {
uint_t length;
uint_t channels;
smpl_t **data;
};
/**
* Buffer for spectral data
*/
struct _cvec_t {
uint_t length;
uint_t channels;
smpl_t **norm;
smpl_t **phas;
};
/* buffer function */
extern fvec_t * new_fvec(uint_t length, uint_t channels);
extern void del_fvec(fvec_t *s);
smpl_t fvec_read_sample(fvec_t *s, uint_t channel, uint_t position);
void fvec_write_sample(fvec_t *s, smpl_t data, uint_t channel, uint_t position);
smpl_t * fvec_get_channel(fvec_t *s, uint_t channel);
smpl_t ** fvec_get_data(fvec_t *s);
void fvec_put_channel(fvec_t *s, smpl_t * data, uint_t channel);
extern cvec_t * new_cvec(uint_t length, uint_t channels);
extern void del_cvec(cvec_t *s);
#ifdef __cplusplus
}
#endif
#endif /* _SAMPLE_H */