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/* -*- c++ -*- */
/*
* Copyright 2011 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 "g721_encode_sb_impl.h"
#include <gnuradio/io_signature.h>
#include <limits.h>
namespace gr {
namespace vocoder {
g721_encode_sb::sptr g721_encode_sb::make()
{
return gnuradio::get_initial_sptr(new g721_encode_sb_impl());
}
g721_encode_sb_impl::g721_encode_sb_impl()
: sync_block("vocoder_g721_encode_sb",
io_signature::make(1, 1, sizeof(short)),
io_signature::make(1, 1, sizeof(unsigned char)))
{
g72x_init_state(&d_state);
}
g721_encode_sb_impl::~g721_encode_sb_impl() {}
int g721_encode_sb_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const short* in = (const short*)input_items[0];
unsigned char* out = (unsigned char*)output_items[0];
for (int i = 0; i < noutput_items; i++)
out[i] = g721_encoder(in[i], AUDIO_ENCODING_LINEAR, &d_state);
return noutput_items;
}
} /* namespace vocoder */
} /* namespace gr */
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