GNU Radio 3.5.1 C++ API
gr_repeat.h
Go to the documentation of this file.
00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2008 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_GR_REPEAT_H
00023 #define INCLUDED_GR_REPEAT_H
00024 
00025 #include <gr_core_api.h>
00026 #include <gr_sync_interpolator.h>
00027 
00028 class gr_repeat;
00029 
00030 typedef boost::shared_ptr<gr_repeat> gr_repeat_sptr;
00031 
00032 GR_CORE_API gr_repeat_sptr gr_make_repeat(size_t itemsize, int interp);
00033 
00034 /*!
00035  * \brief Repeat a sample 'interp' times in output stream
00036  * \ingroup misc_blk
00037  */
00038 
00039 class GR_CORE_API gr_repeat : public gr_sync_interpolator
00040 {
00041 private:
00042   friend GR_CORE_API gr_repeat_sptr gr_make_repeat(size_t itemsize, int interp);
00043                                                      
00044   gr_repeat(size_t itemsize, int interp);
00045 
00046   int d_interp;
00047   int d_itemsize;
00048 
00049  public:
00050   ~gr_repeat();
00051 
00052   int work(int noutput_items,
00053            gr_vector_const_void_star &input_items,
00054            gr_vector_void_star &output_items);
00055 };
00056 
00057 #endif /* INCLUDED_GR_REPEAT_H */