101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
//=============================================================================
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// MuseScore
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// Linux Music Score Editor
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//
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// Copyright (C) 2008-2009 Werner Schweer and others
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//
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// AlsaDriver based on code from Fons Adriaensen (clalsadr.cc)
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// Copyright (C) 2003 Fons Adriaensen
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// partly based on original work from Paul Davis
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//=============================================================================
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#ifndef __MIDIDRIVER_H__
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#define __MIDIDRIVER_H__
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#if !defined(Q_OS_WIN)
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#include <poll.h>
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#endif
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#include "config.h"
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#include "driver.h"
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namespace Ms {
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class Event;
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class Seq;
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//---------------------------------------------------------
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// Port
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//---------------------------------------------------------
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class Port {
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enum { ALSA_TYPE, ZERO_TYPE } type;
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unsigned char _alsaPort;
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unsigned char _alsaClient;
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protected:
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unsigned char alsaPort() const { return _alsaPort; }
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unsigned char alsaClient() const { return _alsaClient; }
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public:
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Port();
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Port(unsigned char client, unsigned char port);
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void setZero();
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bool isZero() const;
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bool operator==(const Port& p) const;
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bool operator<(const Port& p) const;
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friend class MidiDriver;
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friend class AlsaMidiDriver;
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friend class PortMidiDriver;
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};
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//---------------------------------------------------------
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// MidiDriver
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//---------------------------------------------------------
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class MidiDriver {
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protected:
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Port midiInPort;
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QList<Port> midiOutPorts;
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Seq* seq;
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public:
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MidiDriver(Seq* s) { seq = s; }
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virtual ~MidiDriver() {}
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virtual bool init() = 0;
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virtual void getInputPollFd(struct pollfd**, int* n) = 0;
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virtual void getOutputPollFd(struct pollfd**, int* n) = 0;
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virtual void read() = 0;
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virtual void write(const Event&) = 0;
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};
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#ifdef USE_ALSA
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//---------------------------------------------------------
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// AlsaPort
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//---------------------------------------------------------
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struct AlsaPort {
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unsigned char _alsaPort;
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unsigned char _alsaClient;
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};
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#endif
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} // namespace Ms
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#endif
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