GNU Radio 3.5.1 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_core_api.h>
00027 #include <gr_sync_block.h>
00028 #include <cstdio>  // for FILE
00029 
00030 class gr_tagged_file_sink;
00031 typedef boost::shared_ptr<gr_tagged_file_sink> gr_tagged_file_sink_sptr;
00032 
00033 GR_CORE_API gr_tagged_file_sink_sptr gr_make_tagged_file_sink (size_t itemsize,
00034                                                    double samp_rate);
00035 
00036 /*!
00037  * \brief Write stream to file descriptor.
00038  * \ingroup sink_blk
00039  */
00040 
00041 class GR_CORE_API gr_tagged_file_sink : public gr_sync_block
00042 {
00043   friend GR_CORE_API gr_tagged_file_sink_sptr gr_make_tagged_file_sink (size_t itemsize,
00044                                                             double samp_rate);
00045 
00046  private:
00047   enum {
00048     NOT_IN_BURST = 0,
00049     IN_BURST
00050   };
00051 
00052   size_t        d_itemsize;
00053   int           d_state;
00054   FILE         *d_handle;
00055   int           d_n;
00056   double        d_sample_rate;
00057   uint64_t      d_last_N;
00058   double        d_timeval;
00059 
00060  protected:
00061   gr_tagged_file_sink (size_t itemsize, double samp_rate);
00062 
00063  public:
00064   ~gr_tagged_file_sink ();
00065 
00066   int work (int noutput_items,
00067             gr_vector_const_void_star &input_items,
00068             gr_vector_void_star &output_items);
00069 };
00070 
00071 
00072 #endif /* INCLUDED_GR_TAGGED_FILE_SINK_H */