1 files changed, 124 insertions, 0 deletions
diff --git a/gr-fec/lib/dummy_decoder_impl.cc b/gr-fec/lib/dummy_decoder_impl.cc
new file mode 100644
index 0000000000..5ab91d0799
--- /dev/null
+++ b/gr-fec/lib/dummy_decoder_impl.cc
@@ -0,0 +1,124 @@
+/* -*- 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 "dummy_decoder_impl.h"
+#include <math.h>
+#include <boost/assign/list_of.hpp>
+#include <volk/volk.h>
+#include <sstream>
+#include <stdio.h>
+#include <vector>
+
+namespace gr {
+  namespace fec {
+    namespace code {
+
+      generic_decoder::sptr
+      dummy_decoder::make(int frame_size)
+      {
+        return generic_decoder::sptr
+          (new dummy_decoder_impl(frame_size));
+      }
+
+      dummy_decoder_impl::dummy_decoder_impl(int frame_size)
+        : generic_decoder("dummy_decoder")
+      {
+        // Set max frame size here; all buffers and settings will be
+        // based on this value.
+        d_max_frame_size = frame_size;
+        set_frame_size(frame_size);
+      }
+
+      dummy_decoder_impl::~dummy_decoder_impl()
+      {
+      }
+
+      int
+      dummy_decoder_impl::get_output_size()
+      {
+        //unpacked bits
+        return d_frame_size;
+      }
+
+      int
+      dummy_decoder_impl::get_input_size()
+      {
+        return d_frame_size;
+      }
+
+      int
+      dummy_decoder_impl::get_input_item_size()
+      {
+        return sizeof(float);
+      }
+
+      const char*
+      dummy_decoder_impl::get_input_conversion()
+      {
+        return "none";
+      }
+
+      float
+      dummy_decoder_impl::get_shift()
+      {
+        return 1;
+      }
+
+      bool
+      dummy_decoder_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
+      dummy_decoder_impl::rate()
+      {
+        return 1.0;
+      }
+
+      void
+      dummy_decoder_impl::generic_work(void *inbuffer, void *outbuffer)
+      {
+        const float *in = (const float*)inbuffer;
+        int8_t *out = (int8_t*)outbuffer;
+
+        //memcpy(out, in, d_frame_size*sizeof(char));
+        volk_32f_s32f_convert_8i(out, in, 1.0/2.0, d_frame_size);
+      }
+
+    } /* namespace code */
+  } /* namespace fec */
+} /* namespace gr */