00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2002 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 _ATSC_FS_CORRELATOR_H_ 00023 #define _ATSC_FS_CORRELATOR_H_ 00024 00045 class atsci_fs_correlator { 00046 00047 public: 00048 00049 // CREATORS 00050 atsci_fs_correlator (); 00051 virtual ~atsci_fs_correlator () = 0; 00052 00053 // MANIPULATORS 00054 virtual void reset () = 0; 00055 virtual void filter (float input_sample, float *output_sample, float *output_tag) = 0; 00056 00057 // ACCESSORS 00058 00060 virtual int delay () const = 0; 00061 }; 00062 00063 #endif /* _ATSC_FS_CORRELATOR_H_ */