GNU Radio 3.6.0 C++ API
delay.h
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00001 /*
00002  * Copyright 2011 Free Software Foundation, Inc.
00003  * 
00004  * This file is part of GNU Radio
00005  * 
00006  * GNU Radio is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 3, or (at your option)
00009  * any later version.
00010  * 
00011  * GNU Radio is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  * 
00016  * You should have received a copy of the GNU General Public License
00017  * along with GNU Radio; see the file COPYING.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street,
00019  * Boston, MA 02110-1301, USA.
00020  */
00021 #ifndef INCLUDED_GR_EXTRAS_DELAY_H
00022 #define INCLUDED_GR_EXTRAS_DELAY_H
00023 
00024 #include <gnuradio/extras/api.h>
00025 #include <gr_block.h>
00026 
00027 namespace gnuradio{ namespace extras{
00028 
00029 /*!
00030  * This block delays a stream by a selectable number of items.
00031  */
00032 class GR_EXTRAS_API delay : virtual public gr_block{
00033 public:
00034     typedef boost::shared_ptr<delay> sptr;
00035 
00036     //! Make a new delay block
00037     static sptr make(const size_t itemsize);
00038 
00039     //! Change the number of items worth of delay
00040     virtual void set_delay(const int nitems) = 0;
00041 };
00042 
00043 }}
00044 
00045 #endif /* INCLUDED_GR_EXTRAS_DELAY_H */