GNU Radio 2.x: gr_io_signature.h Source File

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# gr_io_signature.h

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    00001 /* -*- c++ -*- */
    00002 /*
    00003  * Copyright 2004 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_IO_SIGNATURE_H
    00024 #define INCLUDED_IO_SIGNATURE_H
    00025
    00026 #include <gr_runtime.h>
    00027
    00035 class gr_io_signature {
    00036  public:
    00037
    00038   static const int IO_INFINITE = -1;
    00039
    00040   ~gr_io_signature ();
    00041
    00042   int min_streams () const { return d_min_streams; }
    00043   int max_streams () const { return d_max_streams; }
    00044   size_t sizeof_stream_item (int index) const { return d_sizeof_stream_item; }
    00045
    00046   // ----------------------------------------------------------------------------
    00047
    00048  private:
    00049
    00050   int           d_min_streams;
    00051   int           d_max_streams;
    00052   size_t        d_sizeof_stream_item;
    00053
    00054   gr_io_signature (int min_streams, int max_streams, size_t sizeof_stream_item);
    00055
    00056   friend gr_io_signature_sptr gr_make_io_signature (int min_streams,
    00057                                                    int max_streams,
    00058                                                    size_t sizeof_stream_item);
    00059 };
    00060
    00061 gr_io_signature_sptr
    00062 gr_make_io_signature (int min_streams, int max_streams, size_t sizeof_stream_item);
    00063
    00064
    00065 #endif /* INCLUDED_IO_SIGNATURE_H */