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diff --git a/gr-dtv/lib/atsc/atsc_interleaver_fifo.h b/gr-dtv/lib/atsc/atsc_interleaver_fifo.h
new file mode 100644
index 0000000000..0d40389c74
--- /dev/null
+++ b/gr-dtv/lib/atsc/atsc_interleaver_fifo.h
@@ -0,0 +1,86 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2014 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_DTV_ATSC_INTERLEAVER_FIFO_H
+#define INCLUDED_DTV_ATSC_INTERLEAVER_FIFO_H
+
+#include <string.h>
+
+namespace gr {
+  namespace dtv {
+
+    template<class symbol_type>
+    class interleaver_fifo {
+    public:
+
+      interleaver_fifo(unsigned int size);
+      ~interleaver_fifo();
+
+      //! reset interleaver (flushes contents and resets commutator)
+      void reset ();
+
+      //! stuff a symbol into the fifo and return the oldest
+      symbol_type stuff(symbol_type input) {
+        if (m_size == 0)
+          return input;
+
+        symbol_type retval = m_fifo[m_position];
+        m_fifo[m_position] = input;
+        m_position++;
+        if (m_position >= m_size)
+          m_position = 0;
+
+        return retval;
+      }
+
+    protected:
+      unsigned int	m_size;
+      unsigned int	m_position;
+      symbol_type	*m_fifo;
+    };
+
+    template<class symbol_type>
+    interleaver_fifo<symbol_type>::interleaver_fifo(unsigned int size)
+    {
+      m_size = size;
+      m_position = 0;
+      m_fifo = new symbol_type[size];
+      memset (m_fifo, 0, m_size * sizeof(symbol_type));
+    }
+
+    template<class symbol_type>
+    interleaver_fifo<symbol_type>::~interleaver_fifo()
+    {
+      delete [] m_fifo;
+    }
+
+    template<class symbol_type> void
+    interleaver_fifo<symbol_type>::reset()
+    {
+      m_position = 0;
+      memset (m_fifo, 0, m_size * sizeof (symbol_type));
+    }
+
+  } /* namespace dtv */
+} /* namespace gr */
+
+#endif /* INCLUDED_DTV_ATSC_INTERLEAVER_FIFO_H */