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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef JACKMIDIDRIVER_H
+#define JACKMIDIDRIVER_H
+
+#include <jack/jack.h>
+#include <jack/midiport.h>
+#include "config.h"
+#include "List.h"
+#include "util/Queue.h"
+#include "MidiDriver.h"
+
+namespace Om {
+
+class Node;
+class SetPortValueEvent;
+class JackMidiDriver;
+template <typename T> class PortBase;
+
+
+/** Representation of an JACK MIDI port.
+ *
+ * \ingroup engine
+ */
+class JackMidiPort : public DriverPort, public ListNode<JackMidiPort*>
+{
+public:
+ JackMidiPort(JackMidiDriver* driver, PortBase<MidiMessage>* port);
+ virtual ~JackMidiPort();
+
+ void prepare_block(const samplecount block_start, const samplecount block_end);
+
+ void add_to_driver();
+ void remove_from_driver();
+ void set_name(const string& name) { jack_port_set_name(m_jack_port, name.c_str()); };
+
+ PortBase<MidiMessage>* patch_port() const { return m_patch_port; }
+
+private:
+ // Prevent copies (undefined)
+ JackMidiPort(const JackMidiPort&);
+ JackMidiPort& operator=(const JackMidiPort&);
+
+ JackMidiDriver* m_driver;
+ jack_port_t* m_jack_port;
+ PortBase<MidiMessage>* m_patch_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() { m_is_enabled = true; }
+ void disable() { m_is_enabled = false; }
+
+ bool is_activated() const { return m_is_activated; }
+ bool is_enabled() const { return m_is_enabled; }
+
+ void prepare_block(const samplecount block_start, const samplecount block_end);
+
+ JackMidiPort* create_port(PortBase<MidiMessage>* patch_port)
+ { return new JackMidiPort(this, patch_port); }
+
+ jack_client_t* jack_client() { return m_client; }
+
+private:
+ // Prevent copies (undefined)
+ JackMidiDriver(const JackMidiDriver&);
+ JackMidiDriver& operator=(const JackMidiDriver&);
+
+ List<JackMidiPort*> m_in_ports;
+ List<JackMidiPort*> m_out_ports;
+
+ friend class JackMidiPort;
+
+ // Functions for JackMidiPort
+ void add_port(JackMidiPort* port);
+ JackMidiPort* remove_port(JackMidiPort* port);
+
+ void add_output(ListNode<JackMidiPort*>* port);
+ ListNode<JackMidiPort*>* remove_output(JackMidiPort* port);
+
+ // MIDI thread
+ static void* process_midi_in(void* me);
+
+ jack_client_t* m_client;
+ pthread_t m_process_thread;
+ bool m_is_activated;
+ bool m_is_enabled;
+ static bool m_midi_thread_exit_flag;
+};
+
+
+} // namespace Om
+
+
+#endif // JACKMIDIDRIVER_H