GNU Radio Manual and C++ API Reference  3.7.9.2
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skiphead.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005,2013 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
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15  * GNU General Public License for more details.
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22 
23 #ifndef INCLUDED_GR_SKIPHEAD_H
24 #define INCLUDED_GR_SKIPHEAD_H
25 
26 #include <gnuradio/blocks/api.h>
27 #include <gnuradio/sync_block.h>
28 #include <stddef.h> // size_t
29 
30 namespace gr {
31  namespace blocks {
32 
33  /*!
34  * \brief skips the first N items, from then on copies items to the output
35  * \ingroup misc_blk
36  *
37  * \details
38  * Useful for building test cases and sources which have metadata
39  * or junk at the start
40  */
41  class BLOCKS_API skiphead : virtual public block
42  {
43  public:
44  // gr::blocks::skiphead::sptr
45  typedef boost::shared_ptr<skiphead> sptr;
46 
47  static sptr make(size_t itemsize,
48  uint64_t nitems_to_skip);
49  };
50 
51  } /* namespace blocks */
52 } /* namespace gr */
53 
54 #endif /* INCLUDED_GR_SKIPHEAD_H */
Include this header to use the message passing features.
Definition: logger.h:131
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
boost::shared_ptr< skiphead > sptr
Definition: skiphead.h:45
skips the first N items, from then on copies items to the output
Definition: skiphead.h:41
The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...
Definition: block.h:60
BLOCKS_API size_t itemsize(vector_type type)