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1 files changed, 72 insertions, 0 deletions
diff --git a/gr-dtv/lib/dvbt/dvbt_map_impl.h b/gr-dtv/lib/dvbt/dvbt_map_impl.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2015 Free Software Foundation, Inc.
+ *
+ * This 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.
+ *
+ * This software 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 this software; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_DTV_DVBT_MAP_IMPL_H
+#define INCLUDED_DTV_DVBT_MAP_IMPL_H
+
+#include <gnuradio/dtv/dvbt_map.h>
+#include "dvbt_configure.h"
+
+namespace gr {
+ namespace dtv {
+
+ class dvbt_map_impl : public dvbt_map
+ {
+ private:
+ const dvbt_configure config;
+
+ int d_nsize;
+
+ //Constellation size
+ unsigned char d_constellation_size;
+ // Keeps transmission mode
+ dvbt_transmission_mode_t d_transmission_mode;
+ //Step on each axis of the constellation
+ unsigned char d_step;
+ //Keep Alpha internally
+ unsigned char d_alpha;
+ //Gain for the complex values
+ float d_gain;
+
+ gr_complex * d_constellation_points;
+
+ void make_constellation_points(int size, int step, int alpha);
+ gr_complex find_constellation_point(int val);
+
+ //Return gray representation from natural binary
+ unsigned int bin_to_gray(unsigned int val);
+
+ public:
+ dvbt_map_impl(int nsize, dvb_constellation_t constellation, dvbt_hierarchy_t hierarchy, dvbt_transmission_mode_t transmission, float gain);
+ ~dvbt_map_impl();
+
+ void forecast (int noutput_items, gr_vector_int &ninput_items_required);
+
+ int general_work(int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } // namespace dtv
+} // namespace gr
+
+#endif /* INCLUDED_DTV_DVBT_MAP_IMPL_H */
+