1 files changed, 82 insertions, 0 deletions
diff --git a/libs/ardour/ardour/internal_port.h b/libs/ardour/ardour/internal_port.h
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+++ b/libs/ardour/ardour/internal_port.h
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+/*
+    Copyright (C) 2007 Paul 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 __ardour_internal_port_h__
+#define __ardour_internal_port_h__
+
+#include <list>
+
+#include <sigc++/signal.h>
+#include <pbd/failed_constructor.h>
+#include <ardour/port.h>
+
+namespace ARDOUR {
+
+class AudioEngine;
+class Buffer;
+
+/** Abstract class representing internal (ardour<->ardour only) ports
+ */
+class InternalPort : public virtual Port {
+   public:
+
+	~InternalPort();
+
+	std::string short_name();
+	
+	int set_name (std::string str);
+
+	int connected () const;
+
+	int reestablish ();
+	
+	bool connected_to (const std::string& portname) const;
+
+	const char ** get_connections () const;
+	bool monitoring_input () const { return false; }
+
+	void ensure_monitor_input (bool yn) {}
+	void request_monitor_input (bool yn) {}
+
+	nframes_t latency () const { return _latency; }
+	nframes_t total_latency() const { return _latency; }
+
+	void set_latency (nframes_t nframes);
+
+	static void connect (InternalPort& src, InternalPort& dst);
+	static void disconnect (InternalPort& a, InternalPort& b);
+
+  protected:
+	friend class AudioEngine;
+
+	InternalPort (const std::string&, DataType type, Flags flags);
+
+ 	int disconnect ();
+	void recompute_total_latency() const;
+	
+	std::list<InternalPort*> _connections;
+	nframes_t _latency;
+
+	static AudioEngine* engine;
+	static void set_engine (AudioEngine* e);
+};
+ 
+} // namespace ARDOUR
+
+#endif /* __ardour_internal_port_h__ */