1 files changed, 103 insertions, 0 deletions
diff --git a/libs/midi++2/midi++/jack_midi_port.h b/libs/midi++2/midi++/jack_midi_port.h
new file mode 100644
index 0000000000..e381120a99
--- /dev/null
+++ b/libs/midi++2/midi++/jack_midi_port.h
@@ -0,0 +1,103 @@
+/*
+    Copyright (C) 1998-2010 Paul Barton-Davis 
+    This program 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.
+
+    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  __libmidi_port_h__
+#define  __libmidi_port_h__
+
+#include <string>
+#include <iostream>
+
+#include <jack/types.h>
+
+#include "pbd/xml++.h"
+#include "pbd/crossthread.h"
+#include "pbd/signals.h"
+#include "pbd/ringbuffer.h"
+
+#include "evoral/Event.hpp"
+#include "evoral/EventRingBuffer.hpp"
+
+#include "midi++/types.h"
+#include "midi++/parser.h"
+#include "midi++/port.h"
+
+namespace MIDI {
+
+class Channel;
+class PortRequest;
+
+class JackMIDIPort : public Port {
+  public:
+	JackMIDIPort (std::string const &, Port::Flags, jack_client_t *);
+	JackMIDIPort (const XMLNode&, jack_client_t *);
+	~JackMIDIPort ();
+
+	XMLNode& get_state () const;
+	void set_state (const XMLNode&);
+
+	void cycle_start (pframes_t nframes);
+	void cycle_end ();
+
+	void parse (framecnt_t timestamp);
+	int write (byte *msg, size_t msglen, timestamp_t timestamp);
+	int read (byte *buf, size_t bufsize);
+	void drain (int check_interval_usecs);
+	int selectable () const { return xthread.selectable(); }
+
+	pframes_t nframes_this_cycle() const { return _nframes_this_cycle; }
+
+	void reestablish (jack_client_t *);
+	void reconnect ();
+
+	static void set_process_thread (pthread_t);
+	static pthread_t get_process_thread () { return _process_thread; }
+	static bool is_process_thread();
+
+	static PBD::Signal0<void> MakeConnections;
+	static PBD::Signal0<void> JackHalted;
+
+private:	
+	bool              _currently_in_cycle;
+	pframes_t         _nframes_this_cycle;
+	jack_client_t*    _jack_client;
+	jack_port_t*      _jack_port;
+	timestamp_t       _last_write_timestamp;
+	RingBuffer< Evoral::Event<double> > output_fifo;
+	Evoral::EventRingBuffer<timestamp_t> input_fifo;
+	Glib::Mutex output_fifo_lock;
+	CrossThreadChannel xthread;
+
+	int create_port ();
+
+	/** Channel used to signal to the MidiControlUI that input has arrived */
+	
+	std::string _connections;
+	PBD::ScopedConnection connect_connection;
+	PBD::ScopedConnection halt_connection;
+	void flush (void* jack_port_buffer);
+	void jack_halted ();
+	void make_connections ();
+	void init (std::string const &, Flags);
+
+	static pthread_t _process_thread;
+
+};
+
+} // namespace MIDI
+
+#endif // __libmidi_port_h__