ref: 4b6937b60f42819270033ab16d7949ac507461a0
dir: /src/fvec.h/
/*
Copyright (C) 2003-2007 Paul Brossier <piem@piem.org>
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 _FVEC_H
#define _FVEC_H
#ifdef __cplusplus
extern "C" {
#endif
/** \file
Real buffers
This file specifies the fvec_t buffer type, which is used throughout aubio to
store real data.
*/
/** Sample buffer type */
typedef struct _fvec_t fvec_t;
/** Buffer for real values */
struct _fvec_t {
uint_t length; /**< length of buffer */
uint_t channels; /**< number of channels */
smpl_t **data; /**< data array of size [length] * [channels] */
};
/** fvec_t buffer creation function
\param length the length of the buffer to create
\param channels the number of channels in the buffer
*/
fvec_t * new_fvec(uint_t length, uint_t channels);
/** fvec_t buffer deletion function
\param s buffer to delete as returned by new_fvec()
*/
void del_fvec(fvec_t *s);
/** read sample value in a buffer
Note that this function is not used in the aubio library, since the same
result can be obtained using vec->data[channel][position]. Its purpose is to
access these values from wrappers, as created by swig.
\param s vector to read from
\param channel channel to read from
\param position sample position to read from
*/
smpl_t fvec_read_sample(fvec_t *s, uint_t channel, uint_t position);
/** write sample value in a buffer
Note that this function is not used in the aubio library, since the same
result can be obtained by assigning vec->data[channel][position]. Its purpose
is to access these values from wrappers, as created by swig.
\param s vector to write to
\param data value to write in s->data[channel][position]
\param channel channel to write to
\param position sample position to write to
*/
void fvec_write_sample(fvec_t *s, smpl_t data, uint_t channel, uint_t position);
/** read channel vector from a buffer
Note that this function is not used in the aubio library, since the same
result can be obtained with vec->data[channel]. Its purpose is to access
these values from wrappers, as created by swig.
\param s vector to read from
\param channel channel to read from
*/
smpl_t * fvec_get_channel(fvec_t *s, uint_t channel);
/** write channel vector into a buffer
Note that this function is not used in the aubio library, since the same
result can be obtained by assigning vec->data[channel]. Its purpose is to
access these values from wrappers, as created by swig.
\param s vector to write to
\param data vector of [length] values to write
\param channel channel to write to
*/
void fvec_put_channel(fvec_t *s, smpl_t * data, uint_t channel);
/** read data from a buffer
Note that this function is not used in the aubio library, since the same
result can be obtained with vec->data. Its purpose is to access these values
from wrappers, as created by swig.
\param s vector to read from
*/
smpl_t ** fvec_get_data(fvec_t *s);
#ifdef __cplusplus
}
#endif
#endif /* _FVEC_H */