GNU Radio 3.5.1 C++ API
atsc_fs_checker.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2006 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 #ifndef INCLUDED_ATSC_FS_CHECKER_H
00023 #define INCLUDED_ATSC_FS_CHECKER_H
00024 
00025 #include <atsc_api.h>
00026 #include <atsci_fs_checker.h>
00027 #include <gr_sync_block.h>
00028 
00029 class atsc_fs_checker;
00030 typedef boost::shared_ptr<atsc_fs_checker> atsc_fs_checker_sptr;
00031 
00032 ATSC_API atsc_fs_checker_sptr atsc_make_fs_checker();
00033 
00034 /*!
00035  * \brief ATSC field sync checker (float,syminfo --> float,syminfo)
00036  * \ingroup atsc
00037  *
00038  * first output is delayed version of input.
00039  * second output is set of tags, one-for-one with first output.
00040  */
00041 
00042 class ATSC_API atsc_fs_checker : public gr_sync_block
00043 {
00044   friend ATSC_API atsc_fs_checker_sptr atsc_make_fs_checker();
00045 
00046   atsc_fs_checker();
00047 
00048 public:
00049   int work (int noutput_items,
00050             gr_vector_const_void_star &input_items,
00051             gr_vector_void_star &output_items);
00052 
00053   void reset() { /* nop */ }
00054 
00055   ~atsc_fs_checker ();
00056 
00057 protected:
00058   atsci_fs_checker      *d_fsc;
00059 
00060 };
00061 
00062 
00063 #endif /* INCLUDED_ATSC_FS_CHECKER_H */