1 files changed, 0 insertions, 140 deletions
diff --git a/gr-atsc/lib/atsci_fs_checker_naive.cc b/gr-atsc/lib/atsci_fs_checker_naive.cc
deleted file mode 100644
index 96ec09ad1b..0000000000
--- a/gr-atsc/lib/atsci_fs_checker_naive.cc
+++ /dev/null
@@ -1,140 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2002 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.
- */
-
-#include <gnuradio/atsc/fs_checker_naive_impl.h>
-#include <gnuradio/atsc/syminfo_impl.h>
-#include <gnuradio/atsc/pnXXX_impl.h>
-#include <iostream>
-#include <cstring>
-
-using std::cerr;
-using std::endl;
-
-static const int PN511_ERROR_LIMIT = 20;	// max number of bits wrong
-static const int PN63_ERROR_LIMIT =   5;
-
-unsigned char atsci_fs_checker_naive::s_511[LENGTH_511];
-unsigned char atsci_fs_checker_naive::s_63[LENGTH_2ND_63];
-
-static void
-init_s_511 (unsigned char *p)
-{
-  *p++ = 1;	// data segment sync pattern
-  *p++ = 0;
-  *p++ = 0;
-  *p++ = 1;
-
-  for (int i = 0; i < 511; i++){
-    p[i] = atsc_pn511[i];
-  }
-}
-
-static void
-init_s_63 (unsigned char *p)
-{
-  for (int i = 0; i < 63; i++){
-    p[i] = atsc_pn63[i];
-  }
-}
-
-atsci_fs_checker_naive::atsci_fs_checker_naive ()
-{
-  init_s_511 (s_511);
-  init_s_63 (s_63);
-  reset ();
-}
-
-atsci_fs_checker_naive::~atsci_fs_checker_naive ()
-{
-}
-
-void
-atsci_fs_checker_naive::reset ()
-{
-  d_index = 0;
-  memset (d_sample_sr, 0, sizeof (d_sample_sr));
-  memset (d_tag_sr, 0, sizeof (d_tag_sr));
-  memset (d_bit_sr, 0, sizeof (d_bit_sr));
-  d_field_num = 0;
-  d_segment_num = 0;
-}
-
-void
-atsci_fs_checker_naive::filter (float input_sample, atsc::syminfo input_tag,
-			       float *output_sample, atsc::syminfo *output_tag)
-{
-  atsc::syminfo	proto_tag = d_tag_sr[d_index];	// oldest tag in the queue
-
-  if (proto_tag.symbol_num == 0){		// check for field sync pattern
-
-    d_segment_num = (d_segment_num + 1) & atsc::SI_SEGMENT_NUM_MASK;  // increment
-
-    // check for a hit on the PN 511 pattern
-    int	errors = 0;
-    int	start = wrap (d_index + OFFSET_511);
-
-    for (int i = 0; i < LENGTH_511 && errors < PN511_ERROR_LIMIT; i++)
-      errors += d_bit_sr[wrap (start + i)] ^ s_511[i];
-
-    if (errors < PN511_ERROR_LIMIT){	// 511 pattern is good.
-				        // determine if this is field 1 or field 2
-      errors = 0;
-      start = wrap (d_index + OFFSET_2ND_63);
-      for (int i = 0; i < LENGTH_2ND_63; i++)
-	errors += d_bit_sr[wrap (start + i)] ^ s_63[i];
-
-      // we should have either field 1 (== PN63) or field 2 (== ~PN63)
-
-      if (errors <= PN63_ERROR_LIMIT){
-	d_segment_num = atsc::SI_FIELD_SYNC_SEGMENT_NUM;	// this is FIELD_SYNC_1
-	d_field_num = 0;
-      }
-      else if (errors >= (LENGTH_2ND_63 - PN63_ERROR_LIMIT)){
-	d_segment_num = atsc::SI_FIELD_SYNC_SEGMENT_NUM;	// this is FIELD_SYNC_2
-	d_field_num = 1;
-      }
-      else {
-	// should be extremely rare.
-	cerr << "!!! atsci_fs_checker_naive: PN63 error count = " << errors << endl;
-      }
-    }
-  }
-
-  proto_tag.segment_num = d_segment_num;	// fill in segment number and field number
-  proto_tag.field_num = d_field_num;
-
-  // return oldest sample
-  *output_sample = d_sample_sr[d_index];
-  *output_tag    = proto_tag;
-
-  // overwrite with newest sample;
-  d_sample_sr[d_index] = input_sample;
-  d_bit_sr[d_index] = input_sample < 0 ? 0 : 1;
-  d_tag_sr[d_index] = input_tag;
-  d_index = incr (d_index);
-}
-
-int
-atsci_fs_checker_naive::delay () const
-{
-  return SRSIZE;
-}