65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/* -*- C++ -*- */
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/*
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* Copyright 2008 Steve Glass
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*
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* This file is part of OP25.
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*
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* OP25 is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* OP25 is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OP25; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Boston, MA
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* 02110-1301, USA.
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*/
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#include "offline_imbe_decoder.h"
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#include "stdint.h"
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#include "op25_yank.h"
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#include <cstdio>
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using namespace std;
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offline_imbe_decoder::offline_imbe_decoder()
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{
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const char *dev = getenv("IMBE_FILE");
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if(!dev) {
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const char *default_filename = "imbe.dat";
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dev = default_filename;
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}
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d_fp = fopen(dev, "w");
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if(NULL == d_fp) {
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perror("fopen(dev, \"w\");"); // a warning, not an error
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}
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}
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offline_imbe_decoder::~offline_imbe_decoder()
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{
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if(d_fp) {
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fclose(d_fp);
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}
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}
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void
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offline_imbe_decoder::decode(const voice_codeword& cw)
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{
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if(d_fp) {
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uint8_t codewords[18];
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extract(cw, 0, 144, codewords);
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if(0 == fwrite(codewords, sizeof(codewords), 1, d_fp)) {
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perror("fwrite(codewords, sizeof(codewords), 1, d_fp)");
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fclose(d_fp);
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d_fp = NULL;
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}
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}
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}
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