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// ----------------------------------------------------------------------------
//
// Copyright (C) 2004-2018 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
#ifndef __AUDIO_H
#define __AUDIO_H
#include <stdlib.h>
#include <math.h>
#include <zita-alsa-pcmi.h>
#include <clthreads.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 *playdev, const char *captdev,
int fsamp, int frsize, int nfrags, int ncapt, int nplay);
void init_jack (const char *server);
private:
enum { LSINE = 4096, LRAND = 4096, 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 *_jname;
ITC_ctrl *_cmain;
volatile bool _run_alsa;
Alsa_pcmi *_alsa_handle;
volatile bool _run_jack;
jack_client_t *_jack_handle;
jack_port_t *_jack_in [8];
jack_port_t *_jack_out [8];
bool _active;
unsigned long _fsamp;
unsigned long _fsize;
int _ncapt;
int _nplay;
int _input;
float *_data;
int _dind;
int _size;
int _step;
int _scnt;
float _sine [LSINE + 1];
float *_outs;
int _g_bits;
float _a_noise;
float _a_sine1;
float _f_sine1;
float _p_sine1;
float _a_sine2;
float _f_sine2;
float _p_sine2;
Rngen _rngen;
static void jack_static_shutdown (void *arg);
static int jack_static_callback (jack_nframes_t nframes, void *arg);
};
#endif
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