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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 <functional>
#include <gnuradio/api.h>
#include <gnuradio/buffer_double_mapped.h>
#include <gnuradio/buffer_type.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;
gr_vector_buffer_type d_stream_buffer_type;
io_signature(int min_streams,
int max_streams,
const std::vector<int>& sizeof_stream_items,
gr_vector_buffer_type buftypes);
public:
typedef std::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
* \param buftype type of buffers the streams should use (defaults to standard host
* double mapped buffer)
*/
static sptr make(int min_streams,
int max_streams,
int sizeof_stream_item,
buffer_type buftype = buffer_double_mapped::type);
/*!
* \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
* \param buftype1 type of buffers the first stream should use (defaults to standard
* host double mapped buffer)
* \param buftype2 type of buffers the second and subsequent streams should use
* (defaults to standard host double mapped buffer)
*/
static sptr make2(int min_streams,
int max_streams,
int sizeof_stream_item1,
int sizeof_stream_item2,
buffer_type buftype1 = buffer_double_mapped::type,
buffer_type buftype2 = buffer_double_mapped::type);
/*!
* \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
* \param buftype1 type of buffers the first stream should use (defaults to standard
* host double mapped buffer)
* \param buftype2 type of buffers the second stream should use (defaults to standard
* host double mapped buffer)
* \param buftype3 type of buffers the third and subsequent streams should use
* (defaults to standard host double mapped buffer)
*/
static sptr make3(int min_streams,
int max_streams,
int sizeof_stream_item1,
int sizeof_stream_item2,
int sizeof_stream_item3,
buffer_type buftype1 = buffer_double_mapped::type,
buffer_type buftype2 = buffer_double_mapped::type,
buffer_type buftype3 = buffer_double_mapped::type);
/*!
* \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);
/*!
* \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
* \param buftypes the type of buffer each stream will should use
*
* 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,
gr_vector_buffer_type buftypes);
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;
buffer_type stream_buffer_type(size_t index) const;
gr_vector_buffer_type stream_buffer_types() const;
};
} /* namespace gr */
#endif /* INCLUDED_IO_SIGNATURE_H */
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