00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2003 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 2, 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., 59 Temple Place - Suite 330, 00020 * Boston, MA 02111-1307, USA. 00021 */ 00022 00023 #ifndef _GRNULLSOURCE_H_ 00024 #define _GRNULLSOURCE_H_ 00025 00026 #include <GrSource.h> 00027 00028 class GrNullSource : public GrSource 00029 { 00030 size_t d_sizeof_oType; 00031 00032 public: 00033 GrNullSource (size_t sizeof_oType, double sampling_freq); 00034 virtual const char *name() { return "GrNullSource"; } 00035 virtual int work2(VrSampleRange output, void *o[]); 00036 00037 }; 00038 00039 #endif /* _GRNULLSOURCE_H_ */