ref: a4c1e861f03a220d9448dac07e2b768b516f742e
dir: /src/io/sndfileio.h/
/*
Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
This file is part of aubio.
aubio 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 3 of the License, or
(at your option) any later version.
aubio 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 aubio. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SNDFILEIO_H
#define SNDFILEIO_H
/** \file
sndfile functions
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* sndfile object
*/
typedef struct _aubio_sndfile_t aubio_sndfile_t;
/**
* Open a sound file for reading
*/
aubio_sndfile_t * new_aubio_sndfile_ro (const char * inputfile);
/**
* Copy file model from previously opened sound file.
*/
aubio_sndfile_t * new_aubio_sndfile_wo(aubio_sndfile_t * existingfile, const char * outputname);
/**
* Open a sound file for writing
*/
int aubio_sndfile_open_wo (aubio_sndfile_t * file, const char * outputname);
/**
* Read frames data from file into an array of buffers
*/
int aubio_sndfile_read(aubio_sndfile_t * file, int frames, fvec_t ** read);
/**
* Read frames data from file into a single buffer
*/
int aubio_sndfile_read_mono (aubio_sndfile_t * f, int frames, fvec_t * read);
/**
* Write data of length frames to file
*/
int aubio_sndfile_write(aubio_sndfile_t * file, int frames, fvec_t ** write);
/**
* Close file and delete file object
*/
int del_aubio_sndfile(aubio_sndfile_t * file);
/**
* Return some files facts
*/
void aubio_sndfile_info(aubio_sndfile_t * file);
/**
* Return number of channel in file
*/
uint_t aubio_sndfile_channels(aubio_sndfile_t * file);
/**
* Return samplerate of a file (Hz)
*/
uint_t aubio_sndfile_samplerate(aubio_sndfile_t * file);
#ifdef __cplusplus
}
#endif
#endif