diff options
Diffstat (limited to 'gr-atsc/src/lib/atsci_fs_checker_naive.h')
-rw-r--r-- | gr-atsc/src/lib/atsci_fs_checker_naive.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/gr-atsc/src/lib/atsci_fs_checker_naive.h b/gr-atsc/src/lib/atsci_fs_checker_naive.h deleted file mode 100644 index 21c628a1d..000000000 --- a/gr-atsc/src/lib/atsci_fs_checker_naive.h +++ /dev/null @@ -1,74 +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. - */ - -#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_ */ |