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/* -*- c++ -*- */
/*
* Copyright 2012-2014 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "pack_k_bits_bb_impl.h"
#include <gnuradio/io_signature.h>
#include <stdexcept>
namespace gr {
namespace blocks {
pack_k_bits_bb::sptr pack_k_bits_bb::make(unsigned k)
{
return gnuradio::make_block_sptr<pack_k_bits_bb_impl>(k);
}
pack_k_bits_bb_impl::pack_k_bits_bb_impl(unsigned k)
: sync_decimator("pack_k_bits_bb",
io_signature::make(1, 1, sizeof(unsigned char)),
io_signature::make(1, 1, sizeof(unsigned char)),
k),
d_pack(k)
{
d_k = k;
set_tag_propagation_policy(TPP_CUSTOM);
}
int pack_k_bits_bb_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const unsigned char* in = (const unsigned char*)input_items[0];
unsigned char* out = (unsigned char*)output_items[0];
std::vector<tag_t> wintags; // Temp variable to store tags for prop
// GR_LOG_DEBUG(d_logger, boost::format("Packing Outputs"));
d_pack.pack(out, in, noutput_items);
// Propagate tags
get_tags_in_range(wintags, 0, nitems_read(0), nitems_read(0) + (noutput_items * d_k));
// GR_LOG_DEBUG(d_logger, boost::format("Propagating tags"));
std::vector<tag_t>::iterator t;
for (t = wintags.begin(); t != wintags.end(); t++) {
tag_t new_tag = *t;
new_tag.offset = std::floor((double)new_tag.offset / d_k);
add_item_tag(0, new_tag);
}
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
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