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+/*
+ Copyright (C) 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in Right
+ of Canada (Communications Research Center Canada)
+ */
+/*
+ This file is part of CRC-DabMux.
+
+ CRC-DabMux 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 3 of the
+ License, or (at your option) any later version.
+
+ CRC-DabMux 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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _INTERLEAVER
+#define _INTERLEAVER
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+
+class Interleaver
+{
+public:
+ Interleaver(unsigned short I, unsigned short M, bool reverse = false);
+ Interleaver(Interleaver& clone);
+ virtual ~Interleaver();
+
+ void setReverse(bool state);
+ void encode(void* data, unsigned long size);
+ void encode(const void* inData, void* outData, unsigned long size);
+ unsigned long sync(void* data, unsigned long size, char padding = 0);
+ void reset();
+ void flush(char padding = 0);
+
+private:
+ unsigned short I;
+ unsigned short M;
+ unsigned long N;
+ unsigned long j;
+ unsigned long index;
+ unsigned long memSize;
+ char* mem;
+ bool reverse;
+};
+
+
+#endif // _INTERLEAVER