71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
|
|
/*******************************************************************************/
|
|
/* Copyright (C) 2008 Jonathan Moore Liles */
|
|
/* */
|
|
/* 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; see the file COPYING. If not,write to the Free Software */
|
|
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
/*******************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
/* Base class for all audio file library interfaces */
|
|
#include <stdlib.h>
|
|
|
|
typedef unsigned long nframes_t;
|
|
typedef float sample_t;
|
|
|
|
#include "Peaks.H"
|
|
|
|
#include <string>
|
|
#include <map>
|
|
using namespace std;
|
|
|
|
class Audio_File
|
|
{
|
|
static map <string, Audio_File*> _open_files;
|
|
|
|
protected:
|
|
|
|
|
|
const char *_filename;
|
|
nframes_t _length; /* length of file in samples */
|
|
int _channels;
|
|
|
|
Peaks *_peaks;
|
|
|
|
public:
|
|
|
|
Audio_File ( )
|
|
{
|
|
_filename = NULL;
|
|
_length = _channels = 0;
|
|
}
|
|
|
|
static Audio_File *from_file ( const char *filename );
|
|
|
|
Peaks const * peaks ( ) { return _peaks; }
|
|
const char *name ( void ) const { return _filename; }
|
|
nframes_t length ( void ) const { return _length; }
|
|
int channels ( void ) const { return _channels; }
|
|
|
|
// Peaks const * peaks ( void ) { return &_peaks; }
|
|
|
|
virtual bool open ( void ) = 0;
|
|
virtual void close ( void ) = 0;
|
|
virtual void seek ( nframes_t offset ) = 0;
|
|
virtual nframes_t read ( sample_t *buf, int channel, nframes_t len ) = 0;
|
|
virtual nframes_t read ( sample_t *buf, int channel, nframes_t start, nframes_t end ) = 0;
|
|
|
|
};
|