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/* -*- c++ -*- */
/*
* Copyright 2014 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 "dummy_decoder_impl.h"
#include <math.h>
#include <boost/assign/list_of.hpp>
#include <volk/volk.h>
#include <sstream>
#include <stdio.h>
#include <vector>
namespace gr {
namespace fec {
namespace code {
generic_decoder::sptr
dummy_decoder::make(int frame_size)
{
return generic_decoder::sptr
(new dummy_decoder_impl(frame_size));
}
dummy_decoder_impl::dummy_decoder_impl(int frame_size)
: generic_decoder("dummy_decoder")
{
// Set max frame size here; all buffers and settings will be
// based on this value.
d_max_frame_size = frame_size;
set_frame_size(frame_size);
}
dummy_decoder_impl::~dummy_decoder_impl()
{
}
int
dummy_decoder_impl::get_output_size()
{
//unpacked bits
return d_frame_size;
}
int
dummy_decoder_impl::get_input_size()
{
return d_frame_size;
}
int
dummy_decoder_impl::get_input_item_size()
{
return sizeof(float);
}
const char*
dummy_decoder_impl::get_input_conversion()
{
return "none";
}
float
dummy_decoder_impl::get_shift()
{
return 1;
}
bool
dummy_decoder_impl::set_frame_size(unsigned int frame_size)
{
bool ret = true;
if(frame_size > d_max_frame_size) {
GR_LOG_INFO(d_logger, boost::format("tried to set frame to %1%; max possible is %2%") \
% frame_size % d_max_frame_size);
frame_size = d_max_frame_size;
ret = false;
}
d_frame_size = frame_size;
return ret;
}
double
dummy_decoder_impl::rate()
{
return 1.0;
}
void
dummy_decoder_impl::generic_work(void *inbuffer, void *outbuffer)
{
const float *in = (const float*)inbuffer;
int8_t *out = (int8_t*)outbuffer;
//memcpy(out, in, d_frame_size*sizeof(char));
//volk_32f_binary_slicer_8i(out, in, d_frame_size);
volk_32f_s32f_convert_8i(out, in, 1.0/2.0, d_frame_size);
}
} /* namespace code */
} /* namespace fec */
} /* namespace gr */
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