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/* -*- c++ -*- */
/*
* Copyright 2004,2010,2013,2018,2019 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 "mute_impl.h"
#include <gnuradio/io_signature.h>
#include <string.h>
#include <algorithm>
namespace gr {
namespace blocks {
template <class T>
typename mute_blk<T>::sptr mute_blk<T>::make(bool mute)
{
return gnuradio::get_initial_sptr(new mute_impl<T>(mute));
}
template <class T>
mute_impl<T>::mute_impl(bool mute)
: sync_block("mute",
io_signature::make(1, 1, sizeof(T)),
io_signature::make(1, 1, sizeof(T))),
d_mute(mute)
{
this->message_port_register_in(pmt::intern("set_mute"));
this->set_msg_handler(pmt::intern("set_mute"),
boost::bind(&mute_impl<T>::set_mute_pmt, this, _1));
}
template <class T>
mute_impl<T>::~mute_impl()
{
}
template <class T>
int mute_impl<T>::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
T* iptr = (T*)input_items[0];
T* optr = (T*)output_items[0];
int size = noutput_items;
if (d_mute) {
std::fill_n(optr, noutput_items, 0);
} else {
while (size >= 8) {
*optr++ = *iptr++;
*optr++ = *iptr++;
*optr++ = *iptr++;
*optr++ = *iptr++;
*optr++ = *iptr++;
*optr++ = *iptr++;
*optr++ = *iptr++;
*optr++ = *iptr++;
size -= 8;
}
while (size-- > 0)
*optr++ = *iptr++;
}
return noutput_items;
}
template class mute_blk<std::int16_t>;
template class mute_blk<std::int32_t>;
template class mute_blk<float>;
template class mute_blk<gr_complex>;
} /* namespace blocks */
} /* namespace gr */
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