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/* -*- c++ -*- */
/*
* Copyright 2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "stream_to_streams_impl.h"
#include <gnuradio/io_signature.h>
#include <cstring>
namespace gr {
namespace blocks {
stream_to_streams::sptr stream_to_streams::make(size_t itemsize, size_t nstreams)
{
return gnuradio::make_block_sptr<stream_to_streams_impl>(itemsize, nstreams);
}
stream_to_streams_impl::stream_to_streams_impl(size_t itemsize, size_t nstreams)
: sync_decimator("stream_to_streams",
io_signature::make(1, 1, itemsize),
io_signature::make(nstreams, nstreams, itemsize),
nstreams)
{
}
int stream_to_streams_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
size_t item_size = output_signature()->sizeof_stream_item(0);
const char* in = (const char*)input_items[0];
char** outv = (char**)&output_items[0];
int nstreams = output_items.size();
for (int i = 0; i < noutput_items; i++) {
for (int j = 0; j < nstreams; j++) {
memcpy(outv[j], in, item_size);
outv[j] += item_size;
in += item_size;
}
}
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
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