GNU Radio 3.4.2 C++ API
gr_tagged_file_sink.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2010 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 
00023 #ifndef INCLUDED_GR_TAGGED_FILE_SINK_H
00024 #define INCLUDED_GR_TAGGED_FILE_SINK_H
00025 
00026 #include <gr_sync_block.h>
00027 #include <cstdio>  // for FILE
00028 
00029 class gr_tagged_file_sink;
00030 typedef boost::shared_ptr<gr_tagged_file_sink> gr_tagged_file_sink_sptr;
00031 
00032 gr_tagged_file_sink_sptr gr_make_tagged_file_sink (size_t itemsize,
00033                                                    double samp_rate);
00034 
00035 /*!
00036  * \brief Write stream to file descriptor.
00037  * \ingroup sink_blk
00038  */
00039 
00040 class gr_tagged_file_sink : public gr_sync_block
00041 {
00042   friend gr_tagged_file_sink_sptr gr_make_tagged_file_sink (size_t itemsize,
00043                                                             double samp_rate);
00044 
00045  private:
00046   enum {
00047     NOT_IN_BURST = 0,
00048     IN_BURST
00049   };
00050 
00051   size_t        d_itemsize;
00052   int           d_state;
00053   FILE         *d_handle;
00054   int           d_n;
00055   double        d_sample_rate;
00056   uint64_t      d_last_N;
00057   double        d_timeval;
00058 
00059  protected:
00060   gr_tagged_file_sink (size_t itemsize, double samp_rate);
00061 
00062  public:
00063   ~gr_tagged_file_sink ();
00064 
00065   int work (int noutput_items,
00066             gr_vector_const_void_star &input_items,
00067             gr_vector_void_star &output_items);
00068 };
00069 
00070 
00071 #endif /* INCLUDED_GR_TAGGED_FILE_SINK_H */