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diff --git a/gr-fec/include/gnuradio/fec/async_encoder.h b/gr-fec/include/gnuradio/fec/async_encoder.h
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+++ b/gr-fec/include/gnuradio/fec/async_encoder.h
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+/* -*- 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_FEC_ASYNC_ENCODER_H
+#define INCLUDED_FEC_ASYNC_ENCODER_H
+
+#include <gnuradio/fec/api.h>
+#include <gnuradio/fec/generic_encoder.h>
+#include <gnuradio/block.h>
+#include <boost/shared_ptr.hpp>
+
+namespace gr {
+  namespace fec {
+
+    /*!
+     * \brief Creates the encoder block for use in GNU Radio
+     * flowgraphs from a given FECAPI object derived from the
+     * generic_encoder class.
+     * \ingroup error_coding_blk
+     *
+     * \details
+     *
+     * Encodes frames received as a PDU over a message port.
+     */
+    class FEC_API async_encoder : virtual public block
+    {
+    public:
+      typedef boost::shared_ptr<async_encoder> sptr;
+
+      /*!
+       * Build the PDU-based FEC encoder block from an FECAPI encoder object.
+       *
+       * \param my_encoder An FECAPI encoder object child of the generic_encoder class.
+       */
+      static sptr make(generic_encoder::sptr my_encoder);
+
+      virtual int general_work(int noutput_items,
+                               gr_vector_int& ninput_items,
+                               gr_vector_const_void_star &input_items,
+                               gr_vector_void_star &output_items) = 0;
+    };
+
+  } /* namespace fec */
+} /* namespace gr */
+
+#endif /* INCLUDED_FEC_ASYNC_ENCODER_H */