GNU Radio 2.x: gr_skiphead.h Source File

00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2005 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 INCLUDED_GR_SKIPHEAD_H
00024 #define INCLUDED_GR_SKIPHEAD_H
00025 
00026 #include <gr_sync_block.h>
00027 #include <stddef.h>      // size_t
00028 
00036 class gr_skiphead : public gr_sync_block
00037 {
00038   friend gr_block_sptr gr_make_skiphead (size_t sizeof_stream_item, int nitems);
00039   gr_skiphead (size_t sizeof_stream_item, int nitems);
00040 
00041   int  d_nitems;
00042   int  d_nskipped_items;
00043 
00044  public:
00045   int work (int noutput_items,
00046      gr_vector_const_void_star &input_items,
00047      gr_vector_void_star &output_items);
00048 };
00049 
00050 gr_block_sptr
00051 gr_make_skiphead (size_t sizeof_stream_item, int nitems);
00052 
00053 
00054 #endif /* INCLUDED_GR_SKIPHEAD_H */