basics of managing a list of port names for MIDI-input-follows-selection

1 files changed, 10 insertions, 0 deletions

diff --git a/libs/ardour/ardour/port_manager.h b/libs/ardour/ardour/port_manager.h
index 03484c598b..6433b1bd6d 100644
--- a/libs/ardour/ardour/port_manager.h
+++ b/libs/ardour/ardour/port_manager.h
@@ -128,6 +128,13 @@ class LIBARDOUR_API PortManager
 
 	bool port_remove_in_progress() const { return _port_remove_in_progress; }
 
+	typedef std::vector<std::string> MidiSelectionPorts;
+
+	void get_midi_selection_ports (MidiSelectionPorts&) const;
+	void add_to_midi_selection_ports (std::string const&);
+	void remove_from_midi_selection_ports (std::string const&);
+	void clear_midi_selection_ports ();
+
 	/** Emitted if the backend notifies us of a graph order event */
 	PBD::Signal0<void> GraphReordered;
 
@@ -170,6 +177,9 @@ class LIBARDOUR_API PortManager
 	 * Realtime safe.
 	 */
 	void cycle_end (pframes_t nframes);
+
+	mutable Glib::Threads::Mutex midi_selection_ports_mutex;
+	MidiSelectionPorts _midi_selection_ports;
 };