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/*
Copyright (C) 2004 Fons Adriaensen <fons.adriaensen@skynet.be>
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.
*/
#include <stdlib.h>
#include <math.h>
#include <alsa/asoundlib.h>
#include <clthreads.h>
#include <clalsadrv.h>
#include <jack/jack.h>
#include "rngen.h"
class Audio : public A_thread
{
public:
Audio (ITC_ctrl *cmain, const char *name);
virtual ~Audio (void);
void init_alsa (const char *device, int fsamp, int frsize, int nfrags, int ncapt, int nplay);
void init_jack (int ncapt, int nplay);
private:
enum { LSINE = 1024, LRAND = 1024, MRAND = LRAND - 1 };
virtual void thr_main (void);
void init (void);
void process (void);
void generate (int size);
void close_alsa (void);
void close_jack (void);
void jack_shutdown (void);
int jack_callback (jack_nframes_t nframes);
const char * _name;
ITC_ctrl *_cmain;
volatile bool _run_alsa;
Alsa_driver *_alsa_handle;
volatile bool _run_jack;
jack_client_t *_jack_handle;
jack_port_t *_jack_in [4];
jack_port_t *_jack_out [4];
int _fsamp;
unsigned long _frsize;
int _ncapt;
int _nplay;
int _input;
float *_data;
int _dind;
int _size;
int _step;
int _scnt;
float _sine [LSINE + 1];
float _rand [LRAND];
float *_outs;
int _g_bits;
float _a_noise;
float _a_sine;
float _f_sine;
float _p_sine;
Rngen _rngen;
static void jack_static_shutdown (void *arg);
static int jack_static_callback (jack_nframes_t nframes, void *arg);
};
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