1 files changed, 108 insertions, 0 deletions
diff --git a/gr-fec/lib/repetition_encoder_impl.cc b/gr-fec/lib/repetition_encoder_impl.cc
new file mode 100644
index 0000000000..dd6bc01615
--- /dev/null
+++ b/gr-fec/lib/repetition_encoder_impl.cc
@@ -0,0 +1,108 @@
+/* -*- 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "repetition_encoder_impl.h"
+#include <gnuradio/fec/generic_encoder.h>
+#include <volk/volk.h>
+#include <sstream>
+
+namespace gr {
+  namespace fec {
+    namespace code {
+
+      generic_encoder::sptr
+      repetition_encoder::make(int frame_size, int rep)
+      {
+        return generic_encoder::sptr
+          (new repetition_encoder_impl(frame_size, rep));
+      }
+
+      repetition_encoder_impl::repetition_encoder_impl(int frame_size, int rep)
+        : generic_encoder("repetition_encoder")
+      {
+        d_max_frame_size = frame_size;
+        set_frame_size(frame_size);
+
+        if(rep < 0)
+          throw std::runtime_error("repetition_encoder: repetition rate must be >= 0");
+
+        d_rep = rep;
+      }
+
+      repetition_encoder_impl::~repetition_encoder_impl()
+      {
+      }
+
+      int
+      repetition_encoder_impl::get_output_size()
+      {
+        return d_frame_size*d_rep;
+      }
+
+      int
+      repetition_encoder_impl::get_input_size()
+      {
+        return d_frame_size;
+      }
+
+      bool
+      repetition_encoder_impl::set_frame_size(unsigned int frame_size)
+      {
+        bool ret = true;
+        if(frame_size > d_max_frame_size) {
+          GR_LOG_INFO(d_logger, boost::format("tried to set frame to %1%; max possible is %2%") \
+                      % frame_size % d_max_frame_size);
+          frame_size = d_max_frame_size;
+          ret = false;
+        }
+
+        d_frame_size = frame_size;
+
+        return ret;
+      }
+
+      double
+      repetition_encoder_impl::rate()
+      {
+        return static_cast<double>(d_rep);
+      }
+
+      void
+      repetition_encoder_impl::generic_work(void *inbuffer, void *outbuffer)
+      {
+        const unsigned char *in = (const unsigned char*)inbuffer;
+        unsigned char *out = (unsigned char*)outbuffer;
+
+        for(unsigned int i = 0; i < d_frame_size; i++) {
+          for(unsigned int r = 0; r < d_rep; r++) {
+            out[d_rep*i + r] = in[i];
+          }
+        }
+      }
+
+    } /* namespace code */
+  } /* namespace fec */
+} /* namespace gr */