1 files changed, 111 insertions, 0 deletions
diff --git a/libs/ardour/jack_port.cc b/libs/ardour/jack_port.cc
new file mode 100644
index 0000000000..7f56e396ce
--- /dev/null
+++ b/libs/ardour/jack_port.cc
@@ -0,0 +1,111 @@
+/*
+    Copyright (C) 2002-2006 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.
+
+*/
+
+#include <pbd/error.h>
+
+#include <ardour/jack_port.h>
+#include <ardour/audioengine.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+using namespace PBD;
+using namespace std;
+
+AudioEngine* JackPort::engine = 0;
+
+JackPort::JackPort (const std::string& name, DataType type, Flags flgs) 
+	: _port (0)
+{
+	_port = jack_port_register (engine->jack(), name.c_str(), type.to_jack_type(), flgs, 0);
+
+	if (_port == 0) {
+		throw failed_constructor();
+	}
+	
+	_flags = flgs;
+	_type  = type;
+	_name = jack_port_name (_port);
+}
+
+JackPort::~JackPort ()
+{
+	cerr << "deleting jack port " << _name << endl;
+
+	jack_port_unregister (engine->jack(), _port);
+}
+
+int 
+JackPort::set_name (string str)
+{
+	int ret;
+
+	if ((ret = jack_port_set_name (_port, str.c_str())) == 0) {
+		_name = str;
+	}
+	
+	return ret;
+}
+
+int
+JackPort::disconnect ()
+{
+	return jack_port_disconnect (engine->jack(), _port);
+}	
+
+void
+JackPort::set_engine (AudioEngine* e)
+{
+	engine = e;
+}
+
+nframes_t
+JackPort::total_latency () const
+{
+	return jack_port_get_total_latency (engine->jack(), _port);
+}
+
+int
+JackPort::reestablish ()
+{
+	string short_name;
+	
+	short_name = _name.substr (_name.find_last_of (':') + 1);
+
+	_port = jack_port_register (engine->jack(), short_name.c_str(), type().to_jack_type(), _flags, 0);
+
+	if (_port == 0) {
+		error << string_compose (_("could not reregister %1"), _name) << endmsg;
+		return -1;
+	}
+
+	reset ();
+	
+
+	return 0;
+}
+
+void
+JackPort::recompute_total_latency () const
+{
+#ifdef HAVE_JACK_RECOMPUTE_LATENCY
+	jack_recompute_total_latency (engine->jack(), _port);
+#endif
+}
+