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/* -*- C++ -*- */
/*
* Copyright 2008 Steve Glass
*
* This file is part of OP25.
*
* OP25 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.
*
* OP25 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 OP25; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Boston, MA
* 02110-1301, USA.
*/
#include <cstdio>
#include <offline_imbe_decoder.h>
#include <stdint.h>
#include <op25_yank.h>
using namespace std;
offline_imbe_decoder::offline_imbe_decoder()
{
const char *dev = getenv("IMBE_FILE");
if(!dev) {
const char *default_filename = "imbe.dat";
dev = default_filename;
}
d_fp = fopen(dev, "w");
if(NULL == d_fp) {
perror("fopen(dev, \"w\");"); // a warning, not an error
}
}
offline_imbe_decoder::~offline_imbe_decoder()
{
if(d_fp) {
fclose(d_fp);
}
}
void
offline_imbe_decoder::decode(const voice_codeword& cw)
{
if(d_fp) {
uint8_t codewords[18];
extract(cw, 0, 144, codewords);
if(0 == fwrite(codewords, sizeof(codewords), 1, d_fp)) {
perror("fwrite(codewords, sizeof(codewords), 1, d_fp)");
fclose(d_fp);
d_fp = NULL;
}
}
}
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