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/* -*- c++ -*- */
/*
* Copyright 2004,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_IO_SIGNATURE_H
#define INCLUDED_IO_SIGNATURE_H
#include <gnuradio/api.h>
#include <gnuradio/runtime_types.h>
namespace gr {
/*!
* \brief i/o signature for input and output ports.
* \brief misc
*/
class GR_RUNTIME_API io_signature
{
int d_min_streams;
int d_max_streams;
std::vector<int> d_sizeof_stream_item;
io_signature(int min_streams,
int max_streams,
const std::vector<int>& sizeof_stream_items);
public:
typedef boost::shared_ptr<io_signature> sptr;
static constexpr int IO_INFINITE = -1;
~io_signature();
/*!
* \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
*/
static sptr make(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
*/
static sptr make2(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
*/
static sptr make3(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.
*/
static sptr
makev(int min_streams, int max_streams, const std::vector<int>& sizeof_stream_items);
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;
};
} /* namespace gr */
#endif /* INCLUDED_IO_SIGNATURE_H */
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