First steps on integration tasks.
git-svn-id: http://op25.osmocom.org/svn/trunk@146 65a5c917-d112-43f1-993d-58c26a4786be
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stevie
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828bda192d
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#include <dummy_imbe_decoder.h>
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#include <imbe_decoder.h>
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// #include <dummy_imbe_decoder.h>
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#include <offline_imbe_decoder.h>
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// #include <offline_imbe_decoder.h>
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// #include <vc55_imbe_decoder.h>
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imbe_decoder_sptr
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/* -*- 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 <cstdio>
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#include <stdint.h>
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#include <swab.h>
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#include <offline_imbe_decoder.h>
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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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size_t
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offline_imbe_decoder::decode(voice_codeword& in_out, audio_output& out)
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{
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if(d_fp) {
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uint8_t codewords[18];
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extract(in_out, 0, 144, codewords);
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if(0 == fwrite(codewords, sizeof(codewords), 1, d_fp)) {
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perror("fwrite(d_fp, 1, codewords, sizeof(codewords))");
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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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return 0;
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}
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/* -*- 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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#ifndef INCLUDED_OFFLINE_IMBE_DECODER_H
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#define INCLUDED_OFFLINE_IMBE_DECODER_H
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#include <imbe_decoder.h>
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#include <cstdio>
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/**
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* offline_imbe_decoder dumps voice codewords to file for offline decoding.
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*
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*/
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class offline_imbe_decoder : public imbe_decoder {
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public:
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/**
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* offline_imbe_decoder default constructor.
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*/
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offline_imbe_decoder();
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/**
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* offline_imbe_decoder (virtual) destructor.
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*/
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virtual ~offline_imbe_decoder();
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/**
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* Dump voice_codeword in_out to file.
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*
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* \param in_out IMBE codewords and parity.
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* \param in Queue of audio samples to which output is written.
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* \return The number of samples written to out.
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*/
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virtual size_t decode(voice_codeword& in_out, audio_output& out);
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private:
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/**
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* The output file.
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*/
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FILE *d_fp;
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};
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#endif /* INCLUDED_OFFLINE_IMBE_DECODER_H */
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/* -*- 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 <iomanip>
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#include <sstream>
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#include <value_string.h>
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using namespace std;
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struct value_string {
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uint16_t value;
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const char *label;
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};
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string
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lookup(uint16_t value, const value_string mappings[], size_t mappings_sz)
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{
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for(size_t i = 0; i < mappings_sz; ++i) {
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if(mappings[i].value == value) {
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return mappings[i].label;
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}
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}
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ostringstream os;
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os << "Unknown (" << hex << value << ")";
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return os.str();
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}
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const value_string ALGIDS[] = {
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/* Type I */
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{ 0x00, "ACCORDION 1.3" },
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{ 0x01, "BATON (Auto Even)" },
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{ 0x02, "FIREFLY Type 1" },
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{ 0x03, "MAYFLY Type 1" },
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{ 0x04, "SAVILLE" },
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{ 0x41, "BATON (Auto Odd)" },
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/* Type III */
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{ 0x80, "Unencrypted message" },
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{ 0x81, "DES-OFB" },
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{ 0x82, "2 key Triple DES" },
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{ 0x83, "3 key Triple DES" },
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{ 0x84, "AES-256" },
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/* Motorola proprietary */
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{ 0x9F, "DES-XL" },
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{ 0xA0, "DVI-XL" },
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{ 0xA1, "DVP-XL" },
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};
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const size_t ALGIDS_SZ = sizeof(ALGIDS) / sizeof(ALGIDS[0]);
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const value_string MFIDS[] = {
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{ 0x00, "Standard MFID (pre-2001)" },
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{ 0x01, "Standard MFID (post-2001)" },
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{ 0x09, "Aselsan Inc." },
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{ 0x10, "Relm / BK Radio" },
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{ 0x18, "EADS Public Safety Inc." },
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{ 0x20, "Cycomm" },
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{ 0x28, "Efratom Time and Frequency Products, Inc" },
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{ 0x30, "Com-Net Ericsson" },
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{ 0x34, "Etherstack" },
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{ 0x38, "Datron" },
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{ 0x40, "Icom" },
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{ 0x48, "Garmin" },
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{ 0x50, "GTE" },
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{ 0x55, "IFR Systems" },
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{ 0x5A, "INIT Innovations in Transportation, Inc" },
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{ 0x60, "GEC-Marconi" },
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{ 0x64, "Harris Corp." },
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{ 0x68, "Kenwood Communications" },
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{ 0x70, "Glenayre Electronics" },
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{ 0x74, "Japan Radio Co." },
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{ 0x78, "Kokusai" },
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{ 0x7C, "Maxon" },
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{ 0x80, "Midland" },
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{ 0x86, "Daniels Electronics Ltd." },
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{ 0x90, "Motorola" },
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{ 0xA0, "Thales" },
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{ 0xA4, "M/A-COM" },
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{ 0xB0, "Raytheon" },
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{ 0xC0, "SEA" },
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{ 0xC8, "Securicor" },
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{ 0xD0, "ADI" },
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{ 0xD8, "Tait Electronics" },
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{ 0xE0, "Teletec" },
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{ 0xF0, "Transcrypt International" },
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{ 0xF8, "Vertex Standard" },
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{ 0xFC, "Zetron, Inc" },
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};
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const size_t MFIDS_SZ = sizeof(MFIDS) / sizeof(MFIDS[0]);
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const value_string NACS[] = {
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{ 0x293, "Default NAC" },
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{ 0xF7E, "Receiver to open on any NAC" },
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{ 0xF7F, "Repeater to receive and retransmit any NAC" },
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};
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const size_t NACS_SZ = sizeof(NACS) / sizeof(NACS[0]);
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@ -0,0 +1,48 @@
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/* -*- 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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#ifndef INCLUDED_VALUE_STRING
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#define INCLUDED_VALUE_STRING
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#include <string>
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/*
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* Look up a value in a value_string array.
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*
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*/
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extern std::string lookup(uint16_t value, const class value_string mappings[], size_t mappings_sz);
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/*
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* Look up tables.
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*/
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extern const value_string ALGIDS[];
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extern const size_t ALGIDS_SZ;
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extern const value_string MFIDS[];
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extern const size_t MFIDS_SZ;
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extern const value_string NACS[];
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extern const size_t NACS_SZ;
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#endif // INCLUDED_VALUE_STRING
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