major redesign of MIDI port heirarchy and management

basic, very flaky functionality is back. program unstable at present

1 files changed, 94 insertions, 0 deletions

diff --git a/libs/ardour/ardour/midiport_manager.h b/libs/ardour/ardour/midiport_manager.h
new file mode 100644
index 0000000000..9c45e60341
--- /dev/null
+++ b/libs/ardour/ardour/midiport_manager.h
@@ -0,0 +1,94 @@
+/*
+    Copyright (C) 1998 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 __midiport_manager_h__
+#define __midiport_manager_h__
+
+#include <list>
+
+#include <string>
+
+#include "pbd/rcu.h"
+
+#include "midi++/types.h"
+#include "midi++/port.h"
+
+#include "ardour/types.h"
+
+namespace ARDOUR {
+
+class MidiPort;
+class Port;
+
+class MidiPortManager {
+  public:
+    MidiPortManager();
+    virtual ~MidiPortManager ();
+	
+    MidiPort* add_port (MidiPort *);
+    void remove_port (MidiPort *);
+
+    MidiPort* port (const std::string&);
+    
+    /* Ports used for control. These are read/written to outside of the
+     * process callback (asynchronously with respect to when data
+     * actually arrives). 
+     *
+     * More detail: we do actually read/write data for these ports
+     * inside the process callback, but incoming data is only parsed
+     * and outgoing data is only generated *outside* the process
+     * callback. 
+     */
+
+    MIDI::Port* midi_input_port () { return _midi_input_port; }
+    MIDI::Port* midi_output_port () { return _midi_output_port; }
+    
+    /* Ports used for synchronization. These have their I/O handled inside the
+     * process callback.
+     */
+
+    boost::shared_ptr<MidiPort> mtc_input_port() const { return _mtc_input_port; }
+    boost::shared_ptr<MidiPort> mtc_output_port() const { return _mtc_output_port; }
+    boost::shared_ptr<MidiPort> midi_clock_input_port() const { return _midi_clock_input_port; }
+    boost::shared_ptr<MidiPort> midi_clock_output_port() const { return _midi_clock_output_port; }
+    
+    void set_port_states (std::list<XMLNode*>);
+
+    PBD::Signal0<void> PortsChanged;
+
+  protected:
+    /* asynchronously handled ports: MIDI::Port */
+    MIDI::Port* _midi_input_port;
+    MIDI::Port* _midi_output_port;
+    boost::shared_ptr<Port> _midi_in;
+    boost::shared_ptr<Port> _midi_out;
+
+    /* synchronously handled ports: ARDOUR::MidiPort */
+    boost::shared_ptr<MidiPort> _mtc_input_port;
+    boost::shared_ptr<MidiPort> _mtc_output_port;
+    boost::shared_ptr<MidiPort> _midi_clock_input_port;
+    boost::shared_ptr<MidiPort> _midi_clock_output_port;
+
+    void create_ports ();
+
+};
+
+} // namespace MIDI
+
+#endif  // __midi_port_manager_h__