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/* -*- c++ -*- */
/*
* Copyright 2004,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_IO_SIGNATURE_H
#define INCLUDED_IO_SIGNATURE_H
#include <gr_runtime_api.h>
#include <gr_runtime_types.h>
/*!
* \brief Create an i/o signature
*
* \ingroup internal
* \param min_streams specify minimum number of streams (>= 0)
* \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite)
* \param sizeof_stream_item specify the size of the items in each stream
*/
GR_RUNTIME_API gr_io_signature_sptr
gr_make_io_signature(int min_streams, int max_streams,
int sizeof_stream_item);
/*!
* \brief Create an i/o signature
*
* \param min_streams specify minimum number of streams (>= 0)
* \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite)
* \param sizeof_stream_item1 specify the size of the items in the first stream
* \param sizeof_stream_item2 specify the size of the items in the second and subsequent streams
*/
GR_RUNTIME_API gr_io_signature_sptr
gr_make_io_signature2(int min_streams, int max_streams,
int sizeof_stream_item1,
int sizeof_stream_item2
);
/*!
* \brief Create an i/o signature
*
* \param min_streams specify minimum number of streams (>= 0)
* \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite)
* \param sizeof_stream_item1 specify the size of the items in the first stream
* \param sizeof_stream_item2 specify the size of the items in the second stream
* \param sizeof_stream_item3 specify the size of the items in the third and subsequent streams
*/
GR_RUNTIME_API gr_io_signature_sptr
gr_make_io_signature3(int min_streams, int max_streams,
int sizeof_stream_item1,
int sizeof_stream_item2,
int sizeof_stream_item3
);
/*!
* \brief Create an i/o signature
*
* \param min_streams specify minimum number of streams (>= 0)
* \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite)
* \param sizeof_stream_items specify the size of the items in the streams
*
* If there are more streams than there are entries in sizeof_stream_items, the
* value of the last entry in sizeof_stream_items is used for the missing values.
* sizeof_stream_items must contain at least 1 entry.
*/
GR_RUNTIME_API gr_io_signature_sptr
gr_make_io_signaturev(int min_streams, int max_streams,
const std::vector<int> &sizeof_stream_items);
/*!
* \brief i/o signature for input and output ports.
* \brief misc
*/
class GR_RUNTIME_API gr_io_signature {
int d_min_streams;
int d_max_streams;
std::vector<int> d_sizeof_stream_item;
gr_io_signature(int min_streams, int max_streams,
const std::vector<int> &sizeof_stream_items);
friend GR_RUNTIME_API gr_io_signature_sptr
gr_make_io_signaturev(int min_streams,
int max_streams,
const std::vector<int> &sizeof_stream_items);
public:
static const int IO_INFINITE = -1;
~gr_io_signature ();
int min_streams () const { return d_min_streams; }
int max_streams () const { return d_max_streams; }
int sizeof_stream_item (int index) const;
std::vector<int> sizeof_stream_items() const;
};
#endif /* INCLUDED_IO_SIGNATURE_H */
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