GNU Radio 3.5.3.2 C++ API
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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 00023 #ifndef _ATSCFAKESINGLEVITERBI_H_ 00024 #define _ATSCFAKESINGLEVITERBI_H_ 00025 00026 #include <atsc_api.h> 00027 00028 /*! 00029 * \brief single channel viterbi decoder 00030 */ 00031 class ATSC_API atsci_fake_single_viterbi 00032 { 00033 00034 public: 00035 atsci_fake_single_viterbi (); 00036 00037 /*! 00038 * \p INPUT ideally takes on the values +/- 1,3,5,7 00039 * return is decoded dibit in the range [0, 3] 00040 */ 00041 char decode (float input); 00042 00043 void reset (); 00044 00045 //! internal delay of decoder 00046 int delay () { return 0; } 00047 00048 protected: 00049 int post_coder_state; 00050 }; 00051 00052 #endif