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tdemultimedia/arts/midi/miditimercommon.h

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/*
Copyright (C) 2001 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef ARTS_MIDI_MIDITIMERCOMMON_H
#define ARTS_MIDI_MIDITIMERCOMMON_H
#include "artsmidi.h"
namespace Arts {
class MidiTimerCommon {
protected:
struct TSNote {
MidiPort port;
MidiEvent event;
TSNote() { /* for some stl impls */ }
TSNote(MidiPort port, const MidiEvent& event) :
port(port), event(event)
{
}
};
std::list<TSNote> noteQueue;
int refCount;
void processQueue();
MidiTimerCommon();
virtual ~MidiTimerCommon();
public:
void unsubscribe() { if(--refCount == 0) delete this; }
void queueEvent(MidiPort port, const MidiEvent& event);
virtual TimeStamp time() = 0;
};
}
#endif /* ARTS_MIDI_MIDITIMERCOMMON_H */