ref: 946cad34846fd7d3cb186ddbddfee6b69a9dcf5f
dir: /src/phasevoc.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.
*/
/** @file
* Phase vocoder object
*/
#ifndef _PHASEVOC_H
#define _PHASEVOC_H
#ifdef __cplusplus
extern "C" {
#endif
/** phasevocoder object */
typedef struct _aubio_pvoc_t aubio_pvoc_t;
/** create phase vocoder object */
aubio_pvoc_t * new_aubio_pvoc (uint_t win_s, uint_t hop_s, uint_t channels);
/** delete phase vocoder object */
void del_aubio_pvoc(aubio_pvoc_t *pv);
/**
* fill pvoc with inp[c][hop_s]
* slide current buffer
* calculate norm and phas of current grain
*/
void aubio_pvoc_do(aubio_pvoc_t *pv, fvec_t *in, cvec_t * fftgrain);
/**
* do additive resynthesis to
* from current norm and phase
* to out[c][hop_s]
*/
void aubio_pvoc_rdo(aubio_pvoc_t *pv, cvec_t * fftgrain, fvec_t *out);
/** get window size */
uint_t aubio_pvoc_get_win(aubio_pvoc_t* pv);
/** get hop size */
uint_t aubio_pvoc_get_hop(aubio_pvoc_t* pv);
/** get channel number */
uint_t aubio_pvoc_get_channels(aubio_pvoc_t* pv);
#ifdef __cplusplus
}
#endif
#endif