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/*
Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
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 <https://www.gnu.org/licenses/>.
*/
#ifndef _TONE_GEN_H
#define _TONE_GEN_H
#include <string>
#include <fstream>
#include <sndfile.h>
#include "sys_settings.h"
#include "threads/mutex.h"
#include "threads/thread.h"
#include "threads/sema.h"
#ifndef _AUDIO_DEVICE_H
class t_audio_io;
#endif
using namespace std;
class t_tone_gen {
private:
string wav_filename; // name of wav file
SNDFILE *wav_file; // SNDFILE pointer to wav file
SF_INFO wav_info; // Information about format of the wav file
t_audio_device dev_tone; // device to play tone
t_audio_io* aio; // soundcard
bool valid; // wav file is in a valid format
bool stop_playing; // indicates if playing should stop
t_thread *thr_play; // playing thread
bool loop; // repeat playing
int pause; // pause (ms) between repetitions
short *data_buf; // buffer for reading sound samples
t_semaphore sema_finished; // indicates if playing finished
public:
t_tone_gen(const string &filename, const t_audio_device &_dev_tone);
~t_tone_gen();
bool is_valid(void) const;
// Play the wav file
// loop = true -> repeat playing
// pause is pause in ms between repetitions
void start_play_thread(bool _loop, int _pause);
void play(void);
// Stop playing
void stop(void);
};
#endif
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