1 files changed, 162 insertions, 0 deletions
diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc
new file mode 100644
index 0000000000..f0afea5be5
--- /dev/null
+++ b/libs/ardour/send.cc
@@ -0,0 +1,162 @@
+/*
+    Copyright (C) 2000 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.
+
+    $Id$
+*/
+
+#include <algorithm>
+
+#include <pbd/xml++.h>
+
+#include <ardour/send.h>
+#include <ardour/session.h>
+#include <ardour/port.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+
+Send::Send (Session& s, Placement p)
+	: Redirect (s, s.next_send_name(), p)
+{
+	_metering = false;
+	expected_inputs = 0;
+	save_state (_("initial state"));
+	 RedirectCreated (this); /* EMIT SIGNAL */
+}
+
+Send::Send (Session& s, const XMLNode& node)
+	: Redirect (s,  "send", PreFader)
+{
+	_metering = false;
+	expected_inputs = 0;
+
+	if (set_state (node)) {
+		throw failed_constructor();
+	}
+
+	save_state (_("initial state"));
+	 RedirectCreated (this); /* EMIT SIGNAL */
+}
+
+Send::Send (const Send& other)
+	: Redirect (other._session, other._session.next_send_name(), other.placement())
+{
+	_metering = false;
+	expected_inputs = 0;
+	save_state (_("initial state"));
+	RedirectCreated (this); /* EMIT SIGNAL */
+}
+
+Send::~Send ()
+{
+	GoingAway (this);
+}
+
+XMLNode&
+Send::get_state(void)
+{
+	return state (true);
+}
+
+XMLNode&
+Send::state(bool full)
+{
+	XMLNode *node = new XMLNode("Send");
+	node->add_child_nocopy (Redirect::state(full));
+	return *node;
+}
+
+int
+Send::set_state(const XMLNode& node)
+{
+	XMLNodeList nlist = node.children();
+	XMLNodeIterator niter;
+	
+	for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+		if ((*niter)->name() == Redirect::state_node_name) {
+			Redirect::set_state (**niter);
+			break;
+		}
+	}
+
+	if (niter == nlist.end()) {
+		error << _("XML node describing a send is missing a Redirect node") << endmsg;
+		return -1;
+	}
+
+	return 0;
+}
+
+void
+Send::run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset)
+{
+	if (active()) {
+
+		IO::deliver_output (bufs, nbufs, nframes, offset);
+
+		if (_metering) {
+			uint32_t n;
+			uint32_t no = n_outputs();
+
+			if (_gain == 0) {
+
+				for (n = 0; n < no; ++n) {
+					_peak_power[n] = 0;
+				} 
+
+			} else {
+
+				for (n = 0; n < no; ++n) {
+					_peak_power[n] = Session::compute_peak (output(n)->get_buffer(nframes+offset) + offset, nframes, _peak_power[n]) * _gain;
+				}
+			}
+		}
+
+	} else {
+		silence (nframes, offset);
+		
+		if (_metering) {
+			uint32_t n;
+			uint32_t no = n_outputs();
+
+			for (n = 0; n < no; ++n) {
+				_peak_power[n] = 0;
+			} 
+		}
+	}
+}
+
+void
+Send::set_metering (bool yn)
+{
+	_metering = yn;
+
+	if (!_metering) {
+		/* XXX possible thread hazard here */
+		reset_peak_meters ();
+	}
+}
+
+void
+Send::expect_inputs (uint32_t expected)
+{
+	if (expected != expected_inputs) {
+		expected_inputs = expected;
+		reset_panner ();
+	}
+}