1 files changed, 60 insertions, 0 deletions
diff --git a/gr-dtv/lib/catv/catv_trellis_enc_bb_impl.h b/gr-dtv/lib/catv/catv_trellis_enc_bb_impl.h
new file mode 100644
index 0000000000..aa7874d929
--- /dev/null
+++ b/gr-dtv/lib/catv/catv_trellis_enc_bb_impl.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/* 
+ * Copyright 2016 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_CATV_TRELLIS_ENC_BB_IMPL_H
+#define INCLUDED_DTV_CATV_TRELLIS_ENC_BB_IMPL_H
+
+#include <gnuradio/dtv/catv_trellis_enc_bb.h>
+
+namespace gr {
+  namespace dtv {
+
+    class catv_trellis_enc_bb_impl : public catv_trellis_enc_bb
+    {
+     private:
+      unsigned char diff_precoder_table[4][16][16][3];
+      unsigned char G1table[32];
+      unsigned char G2table[32];
+      unsigned char trellis_table_x[16][16][6];
+      unsigned char trellis_table_y[16][16][6];
+      unsigned char Xq, Yq, XYp;
+
+      void diff_precoder(unsigned char W, unsigned char Z, unsigned char *Xp, unsigned char *Yp);
+      void init_trellis();
+      void trellis_code(const unsigned char *rs, unsigned char *qs);
+
+     public:
+      catv_trellis_enc_bb_impl();
+      ~catv_trellis_enc_bb_impl();
+
+      // Where all the action really happens
+      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_CATV_TRELLIS_ENC_BB_IMPL_H */
+