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// -------------------------------------------------------------------------
//
// Copyright (C) 2009-2014 Fons Adriaensen <fons@linuxaudio.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 __AUDIOFILE_H
#define __AUDIOFILE_H
#include <stdio.h>
#include <stdint.h>
#include <sndfile.h>
#include "dither.h"
class Audiofile
{
public:
enum
{
MODE_NONE,
MODE_READ,
MODE_WRITE
};
enum
{
TYPE_OTHER,
TYPE_CAF,
TYPE_WAV,
TYPE_AMB,
TYPE_AIFF,
TYPE_FLAC
};
enum
{
FORM_OTHER,
FORM_16BIT,
FORM_24BIT,
FORM_32BIT,
FORM_FLOAT,
};
enum
{
DITHER_NONE,
DITHER_RECT,
DITHER_TRIA,
DITHER_LIPS,
};
enum
{
ERR_NONE = 0,
ERR_MODE = -1,
ERR_TYPE = -2,
ERR_FORM = -3,
ERR_OPEN = -4,
ERR_SEEK = -5,
ERR_DATA = -6,
ERR_READ = -7,
ERR_WRITE = -8
};
enum { BUFFSIZE = 1024 };
Audiofile (void);
~Audiofile (void);
int mode (void) const { return _mode; }
int type (void) const { return _type; }
int form (void) const { return _form; }
int rate (void) const { return _rate; }
int chan (void) const { return _chan; }
uint64_t size (void) const { return _size; }
const char *typestr (void) const { return _typestr [_type]; }
const char *formstr (void) const { return _formstr [_form]; }
const char *dithstr (void) const { return _dithstr [_dith_type]; }
int enc_type (const char *s);
int enc_form (const char *s);
int enc_dith (const char *s);
int open_read (const char *name);
int open_write (const char *name, int type, int form, int rate, int chan);
int close (void);
int set_dither (int type);
float *get_buffer (void);
int64_t seek (int64_t posit, int mode = SEEK_SET);
int read (float *data, uint64_t frames);
int write (float *data, uint64_t frames);
private:
void clear (void);
SNDFILE *_sndfile;
int _mode;
int _type;
int _form;
int _rate;
int _chan;
uint64_t _size;
int _dith_type;
Dither *_dith_proc;
int16_t *_dith_buff;
float *_data_buff;
static const char *_typestr [];
static const char *_formstr [];
static const char *_dithstr [];
};
#endif
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