/* -*- c++ -*- */
/*
 * Copyright 2004,2010,2013,2018,2019 Free Software Foundation, Inc.
 * Copyright 2024 Skandalis Georgios
 *
 * This file is part of GNU Radio
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 */

#include "mute_impl.h"
#include <gnuradio/io_signature.h>
#include <pmt/pmt.h>
#include <algorithm>

namespace gr {
namespace blocks {

template <class T>
typename mute_blk<T>::sptr mute_blk<T>::make(bool mute)
{
    return gnuradio::make_block_sptr<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"), [this](const pmt::pmt_t& msg) {
        this->mute_message_handler(msg);
    });
}

template <class T>
mute_impl<T>::~mute_impl()
{
}

template <class T>
void mute_impl<T>::mute_message_handler(const pmt::pmt_t& msg)
{
    if (pmt::is_pair(msg)) {
        this->set_mute(pmt::to_bool(pmt::cdr(msg)));
    } else {
        this->set_mute(pmt::to_bool(msg));
    }
}

template <class T>
int mute_impl<T>::work(int noutput_items,
                       gr_vector_const_void_star& input_items,
                       gr_vector_void_star& output_items)
{
    const T* in = (const T*)input_items[0];
    T* out = (T*)output_items[0];

    if (d_mute) {
        std::fill_n(out, noutput_items, 0);
    } else {
        std::copy_n(in, noutput_items, out);
    }

    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 */
