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authorDavid Robillard <d@drobilla.net>2006-06-19 16:59:01 +0000
committerDavid Robillard <d@drobilla.net>2006-06-19 16:59:01 +0000
commite313072faaf8efb578843fc5c8bdbcaf7f90acb2 (patch)
tree92e93bed696cb3c55d690ebfa2fd61e1d91f43f2 /src/libs/engine/DuplexPort.h
parent2db1897709eba0e80677bd09e8444e7320e15120 (diff)
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Added missing DuplexPot files
git-svn-id: http://svn.drobilla.net/lad/grauph@63 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/DuplexPort.h')
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef DUPLEXPORT_H
+#define DUPLEXPORT_H
+
+#include <string>
+#include "types.h"
+#include "Array.h"
+#include "Buffer.h"
+#include "InputPort.h"
+#include "OutputPort.h"
+using std::string;
+
+namespace Om {
+
+class MidiMessage;
+class Node;
+
+
+/** A duplex port (which is both an InputPort and an OutputPort)
+ *
+ * This is used for Patch ports, since they need to appear as both an input
+ * and an output port based on context. Eg. a patch output appears as an
+ * input inside the patch, so nodes inside the patch can feed it data.
+ *
+ * \ingroup engine
+ */
+template <typename T>
+class DuplexPort : public InputPort<T>, public OutputPort<T>
+{
+public:
+ DuplexPort(Node* parent, const string& name, size_t index, size_t poly, DataType type, size_t buffer_size, bool is_output);
+ virtual ~DuplexPort() {}
+
+ virtual void prepare_buffers(size_t nframes) {}
+
+ virtual bool is_input() const { return !_is_output; }
+ virtual bool is_output() const { return _is_output; }
+
+protected:
+ // Prevent copies (undefined)
+ DuplexPort(const DuplexPort<T>& copy);
+ DuplexPort& operator=(const Port&);
+
+ bool _is_output;
+};
+
+
+template class DuplexPort<sample>;
+template class DuplexPort<MidiMessage>;
+
+} // namespace Om
+
+#endif // DUPLEXPORT_H