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/* -*- c++ -*- */
/*
* Copyright 2010,2013 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "annotator_alltoall_impl.h"
#include <gnuradio/io_signature.h>
#include <string.h>
#include <iomanip>
#include <iostream>
namespace gr {
namespace blocks {
annotator_alltoall::sptr annotator_alltoall::make(int when, size_t sizeof_stream_item)
{
return gnuradio::get_initial_sptr(
new annotator_alltoall_impl(when, sizeof_stream_item));
}
annotator_alltoall_impl::annotator_alltoall_impl(int when, size_t sizeof_stream_item)
: sync_block("annotator_alltoall",
io_signature::make(1, -1, sizeof_stream_item),
io_signature::make(1, -1, sizeof_stream_item)),
d_when((uint64_t)when)
{
set_tag_propagation_policy(TPP_ALL_TO_ALL);
d_tag_counter = 0;
}
annotator_alltoall_impl::~annotator_alltoall_impl() {}
int annotator_alltoall_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const float* in = (const float*)input_items[0];
float* out = (float*)output_items[0];
std::stringstream str;
str << name() << unique_id();
uint64_t abs_N = 0, end_N;
int ninputs = input_items.size();
for (int i = 0; i < ninputs; i++) {
abs_N = nitems_read(i);
end_N = abs_N + (uint64_t)(noutput_items);
std::vector<tag_t> all_tags;
get_tags_in_range(all_tags, i, abs_N, end_N);
d_stored_tags.insert(d_stored_tags.end(), all_tags.begin(), all_tags.end());
}
// Source ID and key for any tag that might get applied from this block
pmt::pmt_t srcid = pmt::string_to_symbol(str.str());
pmt::pmt_t key = pmt::string_to_symbol("seq");
// Work does nothing to the data stream; just copy all inputs to
// outputs Adds a new tag when the number of items read is a
// multiple of d_when
abs_N = nitems_written(0);
int noutputs = output_items.size();
for (int j = 0; j < noutput_items; j++) {
for (int i = 0; i < noutputs; i++) {
if (abs_N % d_when == 0) {
pmt::pmt_t value = pmt::from_uint64(d_tag_counter++);
add_item_tag(i, abs_N, key, value, srcid);
}
// Sum all of the inputs together for each output. Just 'cause.
out = (float*)output_items[i];
out[j] = 0;
for (int ins = 0; ins < ninputs; ins++) {
in = (const float*)input_items[ins];
out[j] += in[j];
}
}
abs_N++;
}
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
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