diff options
Diffstat (limited to 'blocks/src/lib/offline_imbe_decoder.cc')
-rw-r--r-- | blocks/src/lib/offline_imbe_decoder.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/blocks/src/lib/offline_imbe_decoder.cc b/blocks/src/lib/offline_imbe_decoder.cc new file mode 100644 index 0000000..617df66 --- /dev/null +++ b/blocks/src/lib/offline_imbe_decoder.cc @@ -0,0 +1,63 @@ +/* -*- 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; + } + } +} |