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// ----------------------------------------------------------------------------
//
// Copyright (C) 2012 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 3 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
#ifndef __LFQUEUE_H
#define __LFQUEUE_H
#include <stdint.h>
#include <string.h>
class Adata
{
public:
int32_t _state;
int32_t _nsamp;
double _timer;
};
class Lfq_adata
{
public:
Lfq_adata (int size);
~Lfq_adata (void);
void reset (void) { _nwr = _nrd = 0; }
int size (void) const { return _size; }
int wr_avail (void) const { return _size - _nwr + _nrd; }
Adata *wr_datap (void) { return _data + (_nwr & _mask); }
void wr_commit (void) { _nwr++; }
int rd_avail (void) const { return _nwr - _nrd; }
Adata *rd_datap (void) { return _data + (_nrd & _mask); }
void rd_commit (void) { _nrd++; }
private:
Adata *_data;
int _size;
int _mask;
int _nwr;
int _nrd;
};
class Jdata
{
public:
int32_t _state;
double _error;
double _ratio;
int _bstat;
};
class Lfq_jdata
{
public:
Lfq_jdata (int size);
~Lfq_jdata (void);
void reset (void) { _nwr = _nrd = 0; }
int size (void) const { return _size; }
int wr_avail (void) const { return _size - _nwr + _nrd; }
Jdata *wr_datap (void) { return _data + (_nwr & _mask); }
void wr_commit (void) { _nwr++; }
int rd_avail (void) const { return _nwr - _nrd; }
Jdata *rd_datap (void) { return _data + (_nrd & _mask); }
void rd_commit (void) { _nrd++; }
private:
Jdata *_data;
int _size;
int _mask;
int _nwr;
int _nrd;
};
class Lfq_int32
{
public:
Lfq_int32 (int size);
~Lfq_int32 (void);
int size (void) const { return _size; }
void reset (void) { _nwr = _nrd = 0; }
int wr_avail (void) const { return _size - _nwr + _nrd; }
int32_t *wr_datap (void) { return _data + (_nwr & _mask); }
void wr_commit (void) { _nwr++; }
int rd_avail (void) const { return _nwr - _nrd; }
int32_t *rd_datap (void) { return _data + (_nrd & _mask); }
void rd_commit (void) { _nrd++; }
void wr_int32 (int32_t v) { _data [_nwr++ & _mask] = v; }
void wr_uint32 (uint32_t v) { _data [_nwr++ & _mask] = v; }
void wr_float (float v) { *(float *)(_data + (_nwr++ & _mask)) = v; }
int32_t rd_int32 (void) { return _data [_nrd++ & _mask]; }
int32_t rd_uint32 (void) { return _data [_nrd++ & _mask]; }
float rd_float (void) { return *(float *)(_data + (_nrd++ & _mask)); }
private:
int32_t *_data;
int _size;
int _mask;
int _nwr;
int _nrd;
};
class Lfq_audio
{
public:
Lfq_audio (int nsamp, int nchan);
~Lfq_audio (void);
int size (void) const { return _size; }
void reset (void)
{
_nwr = _nrd = 0;
memset (_data, 0, _size * _nch * sizeof (float));
}
int nchan (void) const { return _nch; }
int nwr (void) const { return _nwr; };
int nrd (void) const { return _nrd; };
int wr_avail (void) const { return _size - _nwr + _nrd; }
int wr_linav (void) const { return _size - (_nwr & _mask); }
float *wr_datap (void) { return _data + _nch * (_nwr & _mask); }
void wr_commit (int k) { _nwr += k; }
int rd_avail (void) const { return _nwr - _nrd; }
int rd_linav (void) const { return _size - (_nrd & _mask); }
float *rd_datap (void) { return _data + _nch * (_nrd & _mask); }
void rd_commit (int k) { _nrd += k; }
private:
float *_data;
int _size;
int _mask;
int _nch;
int _nwr;
int _nrd;
};
#endif
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