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diff --git a/src/engine/JackMidiDriver.hpp b/src/engine/JackMidiDriver.hpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef JACKMIDIDRIVER_H
+#define JACKMIDIDRIVER_H
+
+#include <jack/jack.h>
+#include <jack/midiport.h>
+#include <raul/List.hpp>
+#include CONFIG_H_PATH
+#include "MidiDriver.hpp"
+
+namespace Ingen {
+
+class NodeImpl;
+class SetPortValueEvent;
+class JackMidiDriver;
+class DuplexPort;
+
+
+/** Representation of an JACK MIDI port.
+ *
+ * \ingroup engine
+ */
+class JackMidiPort : public DriverPort, public Raul::List<JackMidiPort*>::Node
+{
+public:
+	JackMidiPort(JackMidiDriver* driver, DuplexPort* port);
+	virtual ~JackMidiPort();
+
+	void pre_process(ProcessContext& context);
+	void post_process(ProcessContext& context);
+	
+	void set_name(const std::string& name) { jack_port_set_name(_jack_port, name.c_str()); };
+
+private:
+	JackMidiDriver* _driver;
+	jack_port_t*    _jack_port;
+};
+
+
+/** Jack MIDI driver.
+ *
+ * This driver reads Jack MIDI events and dispatches them to the appropriate
+ * JackMidiPort for processing.
+ *
+ * \ingroup engine
+ */
+class JackMidiDriver : public MidiDriver
+{
+public:
+	JackMidiDriver(jack_client_t* client);
+	~JackMidiDriver();
+
+	void activate();
+	void deactivate();
+	void enable()  { _is_enabled = true; }
+	void disable() { _is_enabled = false; }
+	
+	bool is_activated() const { return _is_activated; }
+	bool is_enabled() const   { return _is_enabled; }
+	
+	void pre_process(ProcessContext& context);
+	void post_process(ProcessContext& context);
+
+	JackMidiPort* create_port(DuplexPort* patch_port)
+	{ return new JackMidiPort(this, patch_port); }
+	
+	void        add_port(DriverPort* port);
+	DriverPort* remove_port(const Raul::Path& path);
+	
+	DriverPort* driver_port(const Raul::Path& path);
+
+	jack_client_t* jack_client()        { return _client; }
+
+private:
+	Raul::List<JackMidiPort*> _in_ports;
+	Raul::List<JackMidiPort*> _out_ports;
+	
+	friend class JackMidiPort;
+	
+	void add_output(Raul::List<JackMidiPort*>::Node* port);
+	Raul::List<JackMidiPort*>::Node* remove_output(JackMidiPort* port);
+	
+	// MIDI thread
+	static void* process_midi_in(void* me);
+
+	jack_client_t* _client;
+	pthread_t      _process_thread;
+	bool           _is_activated;
+	bool           _is_enabled;
+	static bool    _midi_thread_exit_flag;
+};
+
+
+} // namespace Ingen
+
+
+#endif // JACKMIDIDRIVER_H