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livetrax/libs/backends/wavesaudio/waves_midi_device_manager.h

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/*
Copyright (C) 2013 Gorobchenko Dmytro
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_manager_h__
#define __libardour_waves_midi_device_manager_h__
#include "waves_midi_device.h"
namespace ARDOUR {
class WavesAudioBackend;
class WavesMidiDeviceManager {
public:
WavesMidiDeviceManager (WavesAudioBackend& audiobackend);
~WavesMidiDeviceManager ();
inline const std::vector<WavesMidiDevice *>& devices () const
{
return _devices;
}
int start ();
int stop ();
int stream (bool yn);
int is_streaming () { return _streaming; }
void do_read ();
void do_write ();
private:
int _create_devices ();
void _close_devices ();
int _delete_devices ();
static void __portmidi_callback (PtTimestamp timestamp, void * userData);
void _portmidi_callback (PtTimestamp timestamp);
/** __get_time_ms is given to Pm_Open functions (see WavesMidiDevice.cc)
* to provide the time in milliseconds using the time of audio
* transport.
* time_info is a pointer on the backend instance, which agregates the
* audio and miditransports. It's not checked for correctness to consume
* no time.
*/
static PmTimestamp __get_time_ms (void *time_info);
WavesMidiDevice* _get_device (const std::string& name);
std::vector<WavesMidiDevice*> _devices; // Vector for midi devices
bool _active;
bool _streaming;
size_t _input_device_count;
size_t _output_device_count;
WavesAudioBackend& _audiobackend;
};
} // namespace
#endif /* __libardour_waves_midi_device_manager_h__ */