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//=============================================================================
// MuseScore
// Linux Music Score Editor
//
// Copyright (C) 2002-2009 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// 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 __DRIVER_H__
#define __DRIVER_H__
namespace Ms {
class Seq;
class NPlayEvent;
enum class Transport : char;
//---------------------------------------------------------
// Driver
//---------------------------------------------------------
class Driver {
protected:
Seq* seq;
public:
Driver(Seq* s) { seq = s; }
virtual ~Driver() {}
virtual bool init(bool hot = false) = 0;
virtual bool start(bool hotPlug = false) = 0;
virtual bool stop() = 0;
virtual void stopTransport() = 0;
virtual void startTransport() = 0;
virtual Transport getState() = 0;
virtual void seekTransport(int) {}
virtual int sampleRate() const = 0;
virtual void putEvent(const NPlayEvent&, unsigned /*framePos*/) {}
virtual void midiRead() {}
virtual void handleTimeSigTempoChanged() {}
virtual void checkTransportSeek(int, int, bool) {}
virtual int bufferSize() {return 0;}
virtual void updateOutPortCount(int) {}
};
extern bool alsaIsUsed, jackIsUsed, portAudioIsUsed, pulseAudioIsUsed;
} // namespace Ms
#endif
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