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-rw-r--r--src/server/DuplexPort.cpp99
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diff --git a/src/server/DuplexPort.cpp b/src/server/DuplexPort.cpp
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+/* This file is part of Ingen.
+ * Copyright 2007-2011 David Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cstdlib>
+#include <cassert>
+#include <string>
+
+#include "shared/LV2URIMap.hpp"
+
+#include "ConnectionImpl.hpp"
+#include "DuplexPort.hpp"
+#include "EventBuffer.hpp"
+#include "NodeImpl.hpp"
+#include "OutputPort.hpp"
+#include "ProcessContext.hpp"
+#include "util.hpp"
+
+using namespace std;
+
+namespace Ingen {
+namespace Server {
+
+DuplexPort::DuplexPort(
+ BufferFactory& bufs,
+ NodeImpl* parent,
+ const string& name,
+ uint32_t index,
+ bool polyphonic,
+ uint32_t poly,
+ PortType type,
+ const Raul::Atom& value,
+ size_t buffer_size,
+ bool is_output)
+ : PortImpl(bufs, parent, name, index, poly, type, value, buffer_size)
+ , InputPort(bufs, parent, name, index, poly, type, value, buffer_size)
+ , OutputPort(bufs, parent, name, index, poly, type, value, buffer_size)
+ , _is_output(is_output)
+{
+ assert(PortImpl::_parent == parent);
+ set_property(bufs.uris().ingen_polyphonic, polyphonic);
+}
+
+bool
+DuplexPort::get_buffers(BufferFactory& bufs, Raul::Array<BufferFactory::Ref>* buffers, uint32_t poly)
+{
+ if (_is_output)
+ return InputPort::get_buffers(bufs, buffers, poly);
+ else
+ return OutputPort::get_buffers(bufs, buffers, poly);
+}
+
+/** Prepare for the execution of parent patch */
+void
+DuplexPort::pre_process(Context& context)
+{
+ // If we're a patch output, we're an input from the internal perspective.
+ // Prepare buffers for write (so plugins can deliver to them)
+ if (_is_output) {
+ for (uint32_t v = 0; v < _poly; ++v)
+ _buffers->at(v)->prepare_write(context);
+
+ // If we're a patch input, were an output from the internal perspective.
+ // Do whatever a normal node's input port does to prepare input for reading.
+ } else {
+ InputPort::pre_process(context);
+ }
+}
+
+/** Finalize after the execution of parent patch (deliver outputs) */
+void
+DuplexPort::post_process(Context& context)
+{
+ // If we're a patch output, we're an input from the internal perspective.
+ // Mix down input delivered by plugins so output (external perspective) is ready.
+ if (_is_output) {
+ InputPort::pre_process(context);
+
+ if (_broadcast)
+ broadcast_value(context, false);
+ }
+}
+
+} // namespace Server
+} // namespace Ingen
+