1 files changed, 0 insertions, 97 deletions
diff --git a/gr-atsc/include/gnuradio/atsc/randomizer_impl.h b/gr-atsc/include/gnuradio/atsc/randomizer_impl.h
deleted file mode 100644
index d798629de2..0000000000
--- a/gr-atsc/include/gnuradio/atsc/randomizer_impl.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2001 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 _ATSC_RANDOMIZER_H_
-#define _ATSC_RANDOMIZER_H_
-
-#include <gnuradio/atsc/api.h>
-#include <gnuradio/atsc/types.h>
-
-/*!
- * \brief ATSC data "whitener"
- *
- * The data randomizer described in ATSC standard A/53B.
- * See figure D4 on page 54.
- */
-
-class ATSC_API atsci_randomizer {
-  friend class qa_atsci_randomizer;
-
- public:
-  atsci_randomizer();
-
-  /*! \brief reset randomizer LFSR
-   *
-   * must be called during the Data Segment Sync interval prior to the
-   * first data segment.  I.e., the LFSR is reset prior to the first
-   * field of each VSB data frame.
-   */
-  void reset ();
-
-  //! randomize (whiten) mpeg packet and remove leading MPEG-2 sync byte
-  void randomize (atsc_mpeg_packet_no_sync &out, const atsc_mpeg_packet &in);
-
-  //! derandomize (de-whiten) mpeg packet and add leading MPEG-2 sync byte
-  void derandomize (atsc_mpeg_packet &out, const atsc_mpeg_packet_no_sync &in);
-
-  unsigned int state() const { return d_state; }
-
- private:
-  static void initialize_output_map ();
-  static unsigned char slow_output_map (int st);
-
-  static unsigned char fast_output_map (int st){
-    return s_output_map[(st & 0xb23c) >> 2]; // Magic const with 8 bits set improves cache
-                                             // utilization.  The bits correspond to the taps
-					     // used in output calculation.  Others may be
-					     // safely ignored.
-  }
-
-  //! return current output value
-  unsigned char output (){
-    return fast_output_map (d_state);
-  }
-
-  //! clock LFSR; advance to next state.
-  void clk (){
-    if (d_state & 0x1)
-      d_state = ((d_state ^ MASK) >> 1) | 0x8000;
-    else
-      d_state = d_state >> 1;
-  }
-
-  //! return current output value and advance to next state
-  unsigned char output_and_clk (){
-    unsigned char r = output ();
-    clk ();
-    return r;
-  }
-
-  unsigned int		    d_state;
-
-  static const unsigned int PRELOAD_VALUE = 0x018f; /* 0xf180 bit reversed */
-  static const unsigned int MASK = 0xa638;
-  static unsigned char 	    s_output_map[1 << 14];
-  static bool 		    s_output_map_initialized_p;
-};
-
-#endif /* _ATSC_RANDOMIZER_H_ */