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livetrax/libs/backends/wavesaudio/waves_midi_device.h

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/*
Copyright (C) 2014 Waves Audio Ltd.
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 __libardour_waves_midi_device_h__
#define __libardour_waves_midi_device_h__
#include <portmidi/portmidi.h>
#include <portmidi/pmutil.h>
#include <portmidi/porttime.h>
#include "ardour/types.h"
namespace ARDOUR {
class WavesMidiEvent;
class WavesMidiDevice {
public:
WavesMidiDevice (const std::string& name);
~WavesMidiDevice ();
inline const std::string& name () const { return _name; }
int open (PmTimeProcPtr time_proc, void* time_info);
void close ();
void do_io ();
void read_midi ();
void write_midi ();
int enqueue_output_waves_midi_event (const WavesMidiEvent* waves_midi_event);
WavesMidiEvent* dequeue_input_waves_midi_event ();
inline bool is_input () const { return _pm_input_id != pmNoDevice; };
inline bool is_output () const { return _pm_output_id != pmNoDevice; };
void validate ();
private:
PmDeviceID _pm_input_id;
PmDeviceID _pm_output_id;
const std::string _name;
/* shared queues */
PmQueue* _input_queue;
PmQueue* _output_queue;
PmStream* _input_pm_stream;
PmStream* _output_pm_stream;
WavesMidiEvent *_incomplete_waves_midi_event;
};
} // namespace
#endif /* __libardour_waves_midi_device_h__ */