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diff --git a/gr-atsc/src/lib/atsci_fs_checker_naive.h b/gr-atsc/src/lib/atsci_fs_checker_naive.h
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-/* -*- 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.
- */
-
-#ifndef _ATSC_FS_CHECKER_NAIVE_H_
-#define _ATSC_FS_CHECKER_NAIVE_H_
-
-#include <atsc_api.h>
-#include <atsci_fs_checker.h>
-
-/*!
- * \brief Naive concrete implementation of field sync checker
- */
-class ATSC_API atsci_fs_checker_naive : public atsci_fs_checker {
-
- private:
- static const int SRSIZE = 1024; // must be power of two
- int d_index; // points at oldest sample
- float d_sample_sr[SRSIZE]; // sample shift register
- atsc::syminfo d_tag_sr[SRSIZE]; // tag shift register
- unsigned char d_bit_sr[SRSIZE]; // binary decision shift register
- int d_field_num;
- int d_segment_num;
-
- static const int OFFSET_511 = 0; // offset to PN 511 pattern
- static const int LENGTH_511 = 511 + 4; // length of PN 511 pattern (+ 4 seg sync)
- static const int OFFSET_2ND_63 = 578; // offset to second PN 63 pattern
- static const int LENGTH_2ND_63 = 63; // length of PN 63 pattern
-
- static unsigned char s_511[LENGTH_511]; // PN 511 pattern
- static unsigned char s_63[LENGTH_2ND_63]; // PN 63 pattern
-
- inline static int wrap (int index){ return index & (SRSIZE - 1); }
- inline static int incr (int index){ return wrap (index + 1); }
- inline static int decr (int index){ return wrap (index - 1); }
-
- public:
-
- // CREATORS
- atsci_fs_checker_naive ();
- ~atsci_fs_checker_naive ();
-
- // MANIPULATORS
- virtual void reset ();
- void filter (float input_sample, atsc::syminfo input_tag,
- float *output_sample, atsc::syminfo *output_tag);
-
- // ACCESSORS
-
- //! return delay in samples from input to output
- int delay () const;
-
-};
-
-
-#endif /* _ATSC_FS_CHECKER_NAIVE_H_ */