diff options
Diffstat (limited to 'decoder/src/lib')
58 files changed, 0 insertions, 7093 deletions
diff --git a/decoder/src/lib/Makefile.am b/decoder/src/lib/Makefile.am deleted file mode 100644 index 959e3e1..0000000 --- a/decoder/src/lib/Makefile.am +++ /dev/null @@ -1,120 +0,0 @@ -# -# Copyright 2004,2005,2006,2008 Free Software Foundation, Inc. -# -# 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 $(top_srcdir)/Makefile.common - -# Install this stuff so that it ends up as the op25.decoder_ff -# module. This usually ends up at: -# ${prefix}/lib/python${python_version}/site-packages/gnuradio - -ourpythondir = $(grpythondir) -ourlibdir = $(grpyexecdir) - -AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(PYTHON_CPPFLAGS) $(WITH_INCLUDES) - -SWIGPYTHONARGS = $(SWIGPYTHONFLAGS) $(SWIGGRFLAGS) $(WITH_SWIG_INCLUDES) \ - $(WITH_INCLUDES) - -ALL_IFILES = \ - $(LOCAL_IFILES) \ - $(NON_LOCAL_IFILES) - -NON_LOCAL_IFILES = \ - $(GNURADIO_CORE_INCLUDEDIR)/swig/gnuradio.i - -LOCAL_IFILES = \ - $(top_srcdir)/src/lib/op25.i - -# These files are built by SWIG. The first is the C++ glue. -# The second is the python wrapper that loads the _op25 shared library -# and knows how to call our extensions. - -BUILT_SOURCES = \ - op25.cc \ - op25.py - -# This gets op25.py installed in the right place -ourpython_PYTHON = \ - op25.py - -ourlib_LTLIBRARIES = _op25.la - -# These are the source files that go into the shared library -_op25_la_SOURCES = \ - abstract_data_unit.cc \ - data_unit.cc \ - hdu.cc \ - ldu1.cc \ - ldu2.cc \ - pdu.cc \ - tdu.cc \ - tsbk.cc \ - data_unit_handler.cc \ - logfile_du_handler.cc \ - p25cai_du_handler.cc \ - snapshot_du_handler.cc \ - imbe_decoder.cc \ - imbe_decoder_factory.cc \ - dummy_imbe_decoder.cc \ - offline_imbe_decoder.cc \ - voice_data_unit.cc \ - voice_du_handler.cc \ - op25.cc \ - op25_decoder_bf.cc \ - op25_fsk4_slicer_fb.cc \ - op25_pcap_source_b.cc \ - software_imbe_decoder.cc \ - vc55_imbe_decoder.cc \ - value_string.cc \ - pickle.cc - -# magic flags -_op25_la_LDFLAGS = $(NO_UNDEFINED) -module -avoid-version - -# link the library against some comon swig runtime code and the -# c++ standard library -_op25_la_LIBADD = \ - $(PYTHON_LDFLAGS) \ - -lstdc++ \ - -litpp - -op25.cc op25.py: $(LOCAL_IFILES) $(ALL_IFILES) - $(SWIG) $(SWIGPYTHONARGS) -module op25 -o op25.cc $(LOCAL_IFILES) - -# These headers get installed in ${prefix}/include/gnuradio -grinclude_HEADERS = \ - op25_decoder_ff.h \ - op25_p25_frame.h \ - op25_imbe_frame.h \ - op25_golay.h \ - op25_hamming.h \ - op25_yank.h - -# These swig headers get installed in ${prefix}/include/gnuradio/swig -swiginclude_HEADERS = \ - $(LOCAL_IFILES) - -MOSTLYCLEANFILES = $(BUILT_SOURCES) *.pyc - -# Don't distribute output of swig -dist-hook: - @for file in $(BUILT_SOURCES); do echo $(RM) $(distdir)/$$file; done - @for file in $(BUILT_SOURCES); do $(RM) $(distdir)/$$file; done diff --git a/decoder/src/lib/abstract_data_unit.cc b/decoder/src/lib/abstract_data_unit.cc deleted file mode 100644 index fa00cce..0000000 --- a/decoder/src/lib/abstract_data_unit.cc +++ /dev/null @@ -1,181 +0,0 @@ -/* -*- 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 <abstract_data_unit.h> - -#include <algorithm> -#include <cstring> -#include <functional> -#include <iomanip> -#include <iostream> -#include <stdexcept> -#include <sstream> -#include <utility> - -using namespace std; - -abstract_data_unit::~abstract_data_unit() -{ -} - -void -abstract_data_unit::correct_errors() -{ - if(is_complete()) { - do_correct_errors(d_frame_body); - } else { - ostringstream msg; - msg << "cannot correct errors - frame is not complete" << endl; - msg << "(size now: " << frame_size() << ", expected size: " << frame_size_max() << ")" << endl; - msg << "func: " << __PRETTY_FUNCTION__ << endl; - msg << "file: " << __FILE__ << endl; - msg << "line: " << __LINE__ << endl; - throw logic_error(msg.str()); - } -} - -void -abstract_data_unit::decode_audio(imbe_decoder& imbe) -{ - if(is_complete()) { - do_decode_audio(d_frame_body, imbe); - } else { - ostringstream msg; - msg << "cannot decode audio - frame is not complete" << endl; - msg << "(size now: " << frame_size() << ", expected size: " << frame_size_max() << ")" << endl; - msg << "func: " << __PRETTY_FUNCTION__ << endl; - msg << "file: " << __FILE__ << endl; - msg << "line: " << __LINE__ << endl; - throw logic_error(msg.str()); - } -} - -size_t -abstract_data_unit::decode_frame(size_t msg_sz, uint8_t *msg) -{ - return decode_frame(d_frame_body, msg_sz, msg); -} - -size_t -abstract_data_unit::decode_frame(const_bit_vector& frame_body, size_t msg_sz, uint8_t *msg) -{ - size_t n = 0; - if(is_complete()) { - if(size() <= msg_sz) { - n = extract(frame_body, 0, static_cast<int>(frame_body.size()), msg); - } else { - ostringstream msg; - msg << "cannot decode frame body "; - msg << "(msg size: " << msg_sz << ", actual size: " << size() << ")" << endl; - msg << "func: " << __PRETTY_FUNCTION__ << endl; - msg << "file: " << __FILE__ << endl; - msg << "line: " << __LINE__ << endl; - throw length_error(msg.str()); - } - } else { - ostringstream msg; - msg << "cannot decode frame - frame is not complete" << endl; - msg << "(size now: " << frame_size() << ", expected size: " << frame_size_max() << ")" << endl; - msg << "func: " << __PRETTY_FUNCTION__ << endl; - msg << "file: " << __FILE__ << endl; - msg << "line: " << __LINE__ << endl; - throw logic_error(msg.str()); - } - return n; - -} - -void -abstract_data_unit::extend(dibit d) -{ - if(frame_size() < frame_size_max()) { - d_frame_body.push_back(d & 0x2); - d_frame_body.push_back(d & 0x1); - } else { - ostringstream msg; - msg << "cannot extend frame " << endl; - msg << "(size now: " << frame_size() << ", expected size: " << frame_size_max() << ")" << endl; - msg << "func: " << __PRETTY_FUNCTION__ << endl; - msg << "file: " << __FILE__ << endl; - msg << "line: " << __LINE__ << endl; - throw length_error(msg.str()); - } -} - -bool -abstract_data_unit::is_complete() const -{ - return frame_size() >= frame_size_max(); -} - -uint16_t -abstract_data_unit::size() const -{ - return (7 + frame_size_max()) >> 3; -} - -std::string -abstract_data_unit::snapshot() const -{ - string empty; - return empty; -} - -void -abstract_data_unit::dump(ostream& os) const -{ - uint32_t nbits = d_frame_body.size(); - os << setw(4) << nbits << " "; - for(size_t i = 48; i < nbits; ++i) { - os << (d_frame_body[i] ? "#" : "-"); - } - os << endl; -} - -abstract_data_unit::abstract_data_unit(const_bit_queue& frame_body) : - d_frame_body(frame_body.size()) -{ - copy(frame_body.begin(), frame_body.end(), d_frame_body.begin()); -} - -void -abstract_data_unit::do_correct_errors(bit_vector& frame_body) -{ -} - -void -abstract_data_unit::do_decode_audio(const_bit_vector& frame_body, imbe_decoder& imbe) -{ -} - -const_bit_vector& -abstract_data_unit::frame_body() const -{ - return d_frame_body; -} - -uint16_t -abstract_data_unit::frame_size() const -{ - return d_frame_body.size(); -} diff --git a/decoder/src/lib/abstract_data_unit.h b/decoder/src/lib/abstract_data_unit.h deleted file mode 100644 index 2a84506..0000000 --- a/decoder/src/lib/abstract_data_unit.h +++ /dev/null @@ -1,191 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_ABSTRACT_DATA_UNIT_H -#define INCLUDED_ABSTRACT_DATA_UNIT_H - -#include <data_unit.h> -#include <string> -#include <vector> -#include <op25_yank.h> - -#include <itpp/base/vec.h> -#include <vector> - -typedef std::vector<bool> bit_vector; -typedef const std::vector<bool> const_bit_vector; - -/** - * Abstract P25 data unit. - */ -class abstract_data_unit : public data_unit -{ - -public: - - /** - * abstract data_unit virtual destructor. - */ - virtual ~abstract_data_unit(); - - /** - * Apply error correction to this data_unit. - * - * \precondition is_complete() == true. - */ - virtual void correct_errors(); - - /** - * Decode compressed audio using the supplied imbe_decoder. - * - * \precondition is_complete() == true. - * \param imbe The imbe_decoder to use to generate the audio. - */ - virtual void decode_audio(imbe_decoder& imbe); - - /** - * Decode the frame into an octet vector. - * - * \precondition is_complete() == true. - * \param msg_sz The size of the message buffer. - * \param msg A pointer to the message buffer. - * \return The number of octets written to msg. - */ - virtual size_t decode_frame(size_t msg_sz, uint8_t *msg); - - /** - * Dump this data unit in human readable format to stream s. - * - * \param s The stream to write on - */ - virtual void dump(std::ostream& os) const; - - /** - * Extends this data_unit with the specified dibit. If this - * data_unit is already complete a range_error is thrown. - * - * \precondition is_complete() == false. - * \param d The dibit to extend the frame with. - * \throws range_error When the frame already is at its maximum size. - * \return true when the frame is complete otherwise false. - */ - virtual void extend(dibit d); - - /** - * Tests whether this data unit has enough data to begin decoding. - * - * \return true when this data_unit is complete; otherwise returns - * false. - */ - virtual bool is_complete() const; - - /** - * Returns the size (in octets) of this data_unit. - * - * \return The size (in octets) of this data_unit. - */ - virtual uint16_t size() const; - - /** - * Return a snapshot of the key fields from this frame in a manner - * suitable for display by the UI. The string is encoded as a - * pickled Python dictionary. - * - * \precondition is_complete() == true. - * \return A string containing the fields to display. - */ - virtual std::string snapshot() const; - -protected: - - /** - * abstract_data_unit constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - */ - abstract_data_unit(const_bit_queue& frame_body); - - /** - * Applies error correction code to the specified bit_vector. - * - * \param frame_body The bit vector to decode. - */ - virtual void do_correct_errors(bit_vector& frame_body); - - /** - * Decode compressed audio using the supplied imbe_decoder. - * - * \precondition is_complete() == true. - * \param frame_body The const_bit_vector to decode. - * \param imbe The imbe_decoder to use. - */ - virtual void do_decode_audio(const_bit_vector& frame_body, imbe_decoder& imbe); - - /** - * Decode frame_body and write the decoded frame contents to msg. - * - * \param frame_body The bit vector to decode. - * \param msg_sz The size of the message buffer. - * \param msg A pointer to where the data unit content will be written. - * \return The number of octets written to msg. - */ - virtual size_t decode_frame(const_bit_vector& frame_body, size_t msg_sz, uint8_t *msg); - - /** - * Returns a string describing the Data Unit ID (DUID). - * - * \return A string identifying the DUID. - */ - virtual std::string duid_str() const = 0; - - /** - * Return a reference to the frame body. - */ - const_bit_vector& frame_body() const; - - /** - * Returns the expected size (in bits) of this data_unit. For - * variable-length data this should return UINT16_MAX until the - * actual length of this frame is known. - * - * \return The expected size (in bits) of this data_unit when encoded. - */ - virtual uint16_t frame_size_max() const = 0; - - /** - * Returns the current size (in bits) of this data_unit. - * - * \return The current size (in bits) of this data_unit. - */ - virtual uint16_t frame_size() const; - -private: - - /** - * A bit vector containing the frame body. - */ - bit_vector d_frame_body; - -}; - -#endif /* INCLUDED_ABSTRACT_DATA_UNIT_H */ diff --git a/decoder/src/lib/data_unit.cc b/decoder/src/lib/data_unit.cc deleted file mode 100644 index 9e118c8..0000000 --- a/decoder/src/lib/data_unit.cc +++ /dev/null @@ -1,73 +0,0 @@ -/* -*- 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 <data_unit.h> -#include <hdu.h> -#include <ldu1.h> -#include <ldu2.h> -#include <pdu.h> -#include <tdu.h> -#include <tsbk.h> -#include <op25_yank.h> - -using namespace std; - -data_unit_sptr -data_unit::make_data_unit(const_bit_queue& frame_body) -{ - data_unit_sptr d; - uint8_t duid = extract(frame_body, 60, 64); - switch(duid) { - case 0x0: - d = data_unit_sptr(new hdu(frame_body)); - break; - case 0x3: - d = data_unit_sptr(new tdu(frame_body, false)); - break; - case 0x5: - d = data_unit_sptr(new ldu1(frame_body)); - break; - case 0x7: - d = data_unit_sptr(new tsbk(frame_body)); - break; - case 0xa: - d = data_unit_sptr(new ldu2(frame_body)); - break; - case 0x9: // VSELP "voice PDU" - case 0xc: - d = data_unit_sptr(new pdu(frame_body)); - break; - case 0xf: - d = data_unit_sptr(new tdu(frame_body, true)); - break; - }; - return d; -} - -data_unit::~data_unit() -{ -} - -data_unit::data_unit() -{ -} diff --git a/decoder/src/lib/data_unit.h b/decoder/src/lib/data_unit.h deleted file mode 100644 index ff40378..0000000 --- a/decoder/src/lib/data_unit.h +++ /dev/null @@ -1,142 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_DATA_UNIT_H -#define INCLUDED_DATA_UNIT_H - -#include <boost/shared_ptr.hpp> -#include <boost/noncopyable.hpp> -#include <deque> -#include <iosfwd> -#include <imbe_decoder.h> -#include <stdint.h> - -typedef std::deque<bool> bit_queue; -typedef const std::deque<bool> const_bit_queue; - -typedef uint8_t dibit; - -typedef std::deque<float> float_queue; - -typedef boost::shared_ptr<class data_unit> data_unit_sptr; - -/** - * A P25 data unit. - */ -class data_unit : public boost::noncopyable -{ -public: - - /** - * data_unit (virtual) constructor. Returns a pointer to an - * appropriate data_unit instance given the initial frame_body. - * \param fs The frame sync value for this data_unit. - * \param nid The network ID for this data_unit. - * \return A (possibly null-valued) pointer to the data_unit. - */ - static data_unit_sptr make_data_unit(const_bit_queue& frame_body); - - /** - * data_unit (virtual) destructor. - */ - virtual ~data_unit(); - - /** - * Apply error correction to this data_unit. - * - * \precondition is_complete() == true. - */ - virtual void correct_errors() = 0; - - /** - * Decode compressed audio using the supplied imbe_decoder and - * writes output to audio. - * - * \precondition is_complete() == true. - * \param imbe The imbe_decoder to use to generate the audio. - */ - virtual void decode_audio(imbe_decoder& imbe) = 0; - - /** - * Decode the frame into an octet vector. - * - * \precondition is_complete() == true. - * \param msg_sz The size of the message buffer. - * \param msg A pointer to the message buffer. - * \return The number of octets written to msg. - */ - virtual size_t decode_frame(size_t msg_sz, uint8_t *msg) = 0; - - /** - * Dump this data unit in human readable format to stream s. - * - * \param s The stream to write on - */ - virtual void dump(std::ostream& os) const = 0; - - /** - * Extends this data_unit with the specified dibit. If this - * data_unit is already complete a range_error is thrown. - * - * \precondition is_complete() == false. - * \param d The dibit to extend the frame with. - * \throws range_error When the frame already is at its maximum size. - * \return true when the frame is complete otherwise false. - */ - virtual void extend(dibit d) = 0; - - /** - * Tests whether this data unit is complete. - * - * \return true when this data_unit is complete; otherwise returns - * false. - * \ see extend() - */ - virtual bool is_complete() const = 0; - - /** - * Returns the size (in octets) of the data_unit. - * - * \return The actual size (in octets) of this data_unit. - */ - virtual uint16_t size() const = 0; - - /** - * Return a snapshot of the key fields from this frame in a manner - * suitable for display by the UI. The string is encoded using the - * Python pickle format allowing for different fields to be - * returned. - * - * \return A string containing the fields to display. - */ - virtual std::string snapshot() const = 0; - -protected: - - /** - * data_unit default constructor. - */ - data_unit(); -}; - -#endif /* INCLUDED_DATA_UNIT_H */ diff --git a/decoder/src/lib/data_unit_handler.cc b/decoder/src/lib/data_unit_handler.cc deleted file mode 100644 index 3d1316c..0000000 --- a/decoder/src/lib/data_unit_handler.cc +++ /dev/null @@ -1,19 +0,0 @@ -#include "data_unit_handler.h" - -data_unit_handler::~data_unit_handler() -{ -} - -void -data_unit_handler::handle(data_unit_sptr du) -{ - if(d_next) { - d_next->handle(du); - } -} - -data_unit_handler::data_unit_handler(data_unit_handler_sptr next) : - d_next(next) -{ -} - diff --git a/decoder/src/lib/data_unit_handler.h b/decoder/src/lib/data_unit_handler.h deleted file mode 100644 index 308b6be..0000000 --- a/decoder/src/lib/data_unit_handler.h +++ /dev/null @@ -1,71 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_DATA_UNIT_HANDLER_H -#define INCLUDED_DATA_UNIT_HANDLER_H - -#include <boost/noncopyable.hpp> -#include <boost/shared_ptr.hpp> -#include <data_unit.h> - -typedef boost::shared_ptr<class data_unit_handler> data_unit_handler_sptr; - -/** - * P25 data_unit_handler interface. - */ -class data_unit_handler : public boost::noncopyable -{ - -public: - - /** - * data_unit_handler virtual destructor. - */ - virtual ~data_unit_handler(); - - /** - * Handle a received P25 frame. - * - * \param du A non-null data_unit_sptr to handle. - */ - virtual void handle(data_unit_sptr du) = 0; - -protected: - - /** - * data_unit_handler default constructor. - * - * \param next The next data_unit_handler in this chain. - */ - data_unit_handler(data_unit_handler_sptr next); - -private: - - /** - * The next data_unit_handler in this chain. - */ - data_unit_handler_sptr d_next; - -}; - -#endif /* INCLUDED_DATA_UNIT_HANDLER_H */ diff --git a/decoder/src/lib/dummy_imbe_decoder.cc b/decoder/src/lib/dummy_imbe_decoder.cc deleted file mode 100644 index eae8dd3..0000000 --- a/decoder/src/lib/dummy_imbe_decoder.cc +++ /dev/null @@ -1,37 +0,0 @@ -/* -*- 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 <dummy_imbe_decoder.h> - -dummy_imbe_decoder::dummy_imbe_decoder() -{ -} - -dummy_imbe_decoder::~dummy_imbe_decoder() -{ -} - -void -dummy_imbe_decoder::decode(const voice_codeword& cw) -{ -} diff --git a/decoder/src/lib/dummy_imbe_decoder.h b/decoder/src/lib/dummy_imbe_decoder.h deleted file mode 100644 index 60b0e27..0000000 --- a/decoder/src/lib/dummy_imbe_decoder.h +++ /dev/null @@ -1,55 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_DUMMY_IMBE_DECODER_H -#define INCLUDED_DUMMY_IMBE_DECODER_H - -#include <imbe_decoder.h> - -/** - * dummy_imbe_decoder is the imbe_decoder of last resort. It consumes - * the voice_codeeword and does nothing. - */ -class dummy_imbe_decoder : public imbe_decoder { -public: - - /** - * dummy_imbe_decoder default constructor. - */ - dummy_imbe_decoder(); - - /** - * dummy_imbe_decoder (virtual) destructor. - */ - virtual ~dummy_imbe_decoder(); - - /** - * Ignores in_out and generates no audio. - * - * \param cw IMBE codewords and parity. - */ - virtual void decode(const voice_codeword& cw); - -}; - -#endif /* INCLUDED_DUMMY_IMBE_DECODER_H */ diff --git a/decoder/src/lib/hdu.cc b/decoder/src/lib/hdu.cc deleted file mode 100644 index ce2df0c..0000000 --- a/decoder/src/lib/hdu.cc +++ /dev/null @@ -1,224 +0,0 @@ -/* -*- 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 <hdu.h> -#include <iomanip> -#include <pickle.h> -#include <sstream> -#include <value_string.h> -#include <op25_yank.h> - -using namespace std; - -hdu::hdu(const_bit_queue& frame_body) : - abstract_data_unit(frame_body) -{ -} - -hdu::~hdu() -{ -} - -string -hdu::duid_str() const -{ - return string("HDU"); -} - -std::string -hdu::snapshot() const -{ - pickle p; - p.add("duid", duid_str()); - p.add("nac", nac_str()); - p.add("mfid", mfid_str()); - p.add("algid", algid_str()); - p.add("kid", kid_str()); - p.add("mi", mi_str()); - p.add("tgid", tgid_str()); - return p.to_string(); -} - -void -hdu::do_correct_errors(bit_vector& frame) -{ - apply_golay_correction(frame); - apply_rs_correction(frame); -} - -void -hdu::apply_golay_correction(bit_vector& frame) -{ - static const size_t NOF_GOLAY_CODEWORDS = 36, GOLAY_CODEWORD_SZ = 18; - static const size_t GOLAY_CODEWORDS[NOF_GOLAY_CODEWORDS][GOLAY_CODEWORD_SZ] = { - { 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131 }, - { 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 144, 145, 146, 147, 148, 149, 150, 151 }, - { 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169 }, - { 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187 }, - { 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205 }, - { 206, 207, 208, 209, 210, 211, 212, 213, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225 }, - { 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243 }, - { 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261 }, - { 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279 }, - { 280, 281, 282, 283, 284, 285, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299 }, - { 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317 }, - { 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335 }, - { 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353 }, - { 354, 355, 356, 357, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373 }, - { 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391 }, - { 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409 }, - { 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427 }, - { 428, 429, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447 }, - { 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465 }, - { 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483 }, - { 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501 }, - { 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521 }, - { 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539 }, - { 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557 }, - { 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 576, 577 }, - { 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595 }, - { 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613 }, - { 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631 }, - { 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 648, 649, 650, 651 }, - { 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669 }, - { 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687 }, - { 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705 }, - { 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 720, 721, 722, 723, 724, 725 }, - { 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743 }, - { 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761 }, - { 762, 763, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779 } - }; - for(size_t i = 0; i < NOF_GOLAY_CODEWORDS; ++i) { - uint32_t cw = extract(frame, GOLAY_CODEWORDS[i], GOLAY_CODEWORD_SZ); -// uint32_t d = golay_decode(cw); -// uint32 cw = golay_encode(cw); -// yank_back(d, PAD_SZ, frame, GOLAY_CODEWORDS[i], GOLAY_DATA_SZ); - } -} - -void -hdu::apply_rs_correction(bit_vector& frame) -{ -#if 0 - static itpp::Reed_Solomon rs(6, 8, true); - - const size_t rs_codeword[][6] = { - }; - const size_t nof_codeword_bits = sizeof(codeword_bits) / sizeof(codeword_bits[0]); - -#endif -} - -uint16_t -hdu::frame_size_max() const -{ - return 792; -} - -string -hdu::algid_str() const -{ - const size_t ALGID_BITS[] = { - 356, 357, 360, 361, 374, 375, 376, 377 - }; - const size_t ALGID_BITS_SZ = sizeof(ALGID_BITS) / sizeof(ALGID_BITS[0]); - uint8_t algid = extract(frame_body(), ALGID_BITS, ALGID_BITS_SZ); - return lookup(algid, ALGIDS, ALGIDS_SZ); -} - -string -hdu::kid_str() const -{ - const size_t KID_BITS[] = { - 378, 379, 392, 393, 394, 395, 396, 397, - 410, 411, 412, 413, 414, 415, 428, 429 - }; - const size_t KID_BITS_SZ = sizeof(KID_BITS) / sizeof(KID_BITS[0]); - uint16_t kid = extract(frame_body(), KID_BITS, KID_BITS_SZ); - ostringstream os; - os << hex << showbase << setfill('0') << setw(4) << kid; - return os.str(); -} - -std::string -hdu::mi_str() const -{ - const size_t MI_BITS[] = { - 114, 115, 116, 117, 118, 119, 132, 133, - 134, 135, 136, 137, 152, 153, 154, 155, - 156, 157, 170, 171, 172, 173, 174, 175, - 188, 189, 190, 191, 192, 193, 206, 207, - 208, 209, 210, 211, 226, 227, 228, 229, - 230, 231, 244, 245, 246, 247, 248, 249, - 262, 263, 264, 265, 266, 267, 280, 281, - 282, 283, 284, 285, 300, 301, 302, 303, - 304, 305, 318, 319, 320, 321, 322, 323, - }; - const size_t MI_BITS_SZ = sizeof(MI_BITS) / sizeof(MI_BITS[0]); - - uint8_t mi[9]; - extract(frame_body(), MI_BITS, MI_BITS_SZ, mi); - ostringstream os; - os << "0x"; - for(size_t i = 0; i < (sizeof(mi) / sizeof(mi[0])); ++i) { - uint16_t octet = mi[i]; - os << hex << setfill('0') << setw(2) << octet; - } - return os.str(); -} - -string -hdu::mfid_str() const -{ - const size_t MFID_BITS[] = { - 336, 337, 338, 339, 340, 341, 354, 355 - }; - const size_t MFID_BITS_SZ = sizeof(MFID_BITS) / sizeof(MFID_BITS_SZ); - uint8_t mfid = extract(frame_body(), MFID_BITS, MFID_BITS_SZ); - return lookup(mfid, MFIDS, MFIDS_SZ); -} - -string -hdu::nac_str() const -{ - const size_t NAC_BITS[] = { - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 - }; - const size_t NAC_BITS_SZ = sizeof(NAC_BITS) / sizeof(NAC_BITS[0]); - uint32_t nac = extract(frame_body(), NAC_BITS, NAC_BITS_SZ); - return lookup(nac, NACS, NACS_SZ); -} - -string -hdu::tgid_str() const -{ - const size_t TGID_BITS[] = { - 432, 433, 434, 435, 448, 449, 450, 451, - 452, 453, 466, 467, 468, 469, 470, 471 - }; - const size_t TGID_BITS_SZ = sizeof(TGID_BITS) / sizeof(TGID_BITS[0]); - const uint16_t tgid = extract(frame_body(), TGID_BITS, TGID_BITS_SZ); - ostringstream os; - os << hex << showbase << setfill('0') << setw(4) << tgid; - return os.str(); -} diff --git a/decoder/src/lib/hdu.h b/decoder/src/lib/hdu.h deleted file mode 100644 index 0877199..0000000 --- a/decoder/src/lib/hdu.h +++ /dev/null @@ -1,144 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_HDU_H -#define INCLUDED_HDU_H - -#include <abstract_data_unit.h> - -/** - * P25 header data unit (HDU). - */ -class hdu : public abstract_data_unit -{ - -public: - - /** - * hdu constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - */ - hdu(const_bit_queue& frame_body); - - /** - * hdu virtual destructor. - */ - virtual ~hdu(); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string duid_str() const; - - /** - * Return a snapshot of the key fields from this frame in a manner - * suitable for display by the UI. The string is encoded as a - * pickled Python dictionary. - * - * \return A string containing the fields to display. - */ - virtual std::string snapshot() const; - -protected: - - /** - * Applies error correction code to the specified bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void do_correct_errors(bit_vector& frame_body); - - /** - * Apply Golay error correction code to the specified bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void apply_golay_correction(bit_vector& frame_body); - - /** - * Apply Reed-Solomon error correction code to the specified - * bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void apply_rs_correction(bit_vector& frame_body); - - /** - * Returns the expected size (in bits) of this data unit in - * bits. For variable-length data this should return UINT16_MAX - * until the actual length of this frame is known. - * - * \return The expected size (in bits) of this data_unit when encoded. - */ - virtual uint16_t frame_size_max() const; - -private: - - /** - * Return a string describing the encryption algorithm ID (ALGID). - * - * \return A string identifying the ALGID. - */ - std::string algid_str() const; - - /** - * Returns a string describing the key id (KID). - * - * \return A string identifying the KID. - */ - virtual std::string kid_str() const; - - /** - * Returns a string describing the manufacturer ID (MFID). - * - * \return A string identifying the MFID - */ - virtual std::string mfid_str() const; - - /** - * Returns a string describing the message indicator (MI). - * - * \return A string identifying the MI. - */ - virtual std::string mi_str() const; - - /** - * Returns a string describing the Network Access Code (NAC). - * - * \return A string identifying the NAC. - */ - virtual std::string nac_str() const; - - /** - * Returns a string describing the talk group id (TGID). - * - * \return A string identifying the TGID. - */ - virtual std::string tgid_str() const; -}; - -#endif /* INCLUDED_HDU_H */ diff --git a/decoder/src/lib/imbe_decoder.cc b/decoder/src/lib/imbe_decoder.cc deleted file mode 100644 index b07b3ed..0000000 --- a/decoder/src/lib/imbe_decoder.cc +++ /dev/null @@ -1,16 +0,0 @@ -#include <imbe_decoder.h> - -imbe_decoder::~imbe_decoder() -{ -} - -imbe_decoder::imbe_decoder() : - d_audio() -{ -} - -audio_samples* -imbe_decoder::audio() -{ - return &d_audio; -} diff --git a/decoder/src/lib/imbe_decoder.h b/decoder/src/lib/imbe_decoder.h deleted file mode 100644 index e7645f0..0000000 --- a/decoder/src/lib/imbe_decoder.h +++ /dev/null @@ -1,90 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_IMBE_DECODER_H -#define INCLUDED_IMBE_DECODER_H - -#include <boost/noncopyable.hpp> -#include <boost/shared_ptr.hpp> -#include <deque> -#include <vector> - -typedef std::deque<float> audio_samples; -typedef std::vector<bool> voice_codeword; - -typedef boost::shared_ptr<class imbe_decoder> imbe_decoder_sptr; - -/** - * imbe_decoder is the interface to the various mechanisms for - * translating P25 voice codewords into audio samples. - */ -class imbe_decoder : public boost::noncopyable { -public: - - /** - * imbe_decoder (virtual) constructor. The exact subclass - * instantiated depends on some yet-to-be-decided magic. - * - * \return A shared_ptr to an imbe_decoder. - */ - static imbe_decoder_sptr make(); - - /** - * imbe_decoder (virtual) destructor. - */ - virtual ~imbe_decoder(); - - /** - * Decode the compressed IMBE audio. - * - * \param cw IMBE codeword (including parity check bits). - */ - virtual void decode(const voice_codeword& cw) = 0; - - /** - * Returns the audio_samples samples. These are mono samples at - * 8KS/s represented as a float in the range -1.0 .. +1.0. - * - * \return A non-null pointer to a deque<float> of audio samples. - */ - audio_samples *audio(); - -protected: - - /** - * Construct an instance of imbe_decoder. Access is protected - * because this is an abstract class and users should call - * make_imbe_decoder to construct concrete instances. - */ - imbe_decoder(); - -private: - - /** - * The audio samples produced by the IMBE decoder. - */ - audio_samples d_audio; - -}; - -#endif /* INCLUDED_IMBE_DECODER_H */ diff --git a/decoder/src/lib/imbe_decoder_factory.cc b/decoder/src/lib/imbe_decoder_factory.cc deleted file mode 100644 index a6238b2..0000000 --- a/decoder/src/lib/imbe_decoder_factory.cc +++ /dev/null @@ -1,29 +0,0 @@ -#include <dummy_imbe_decoder.h> -#include <imbe_decoder.h> -#include <offline_imbe_decoder.h> -#include <software_imbe_decoder.h> -#include <vc55_imbe_decoder.h> - -#include <cstdlib> -#include <cstring> - -imbe_decoder_sptr -imbe_decoder::make() -{ - imbe_decoder_sptr imbe; - const char *imbe_type = getenv("IMBE"); - if(imbe_type) { - if(strcasecmp(imbe_type, "offline") == 0) { - imbe = imbe_decoder_sptr(new offline_imbe_decoder()); - } else if(strcasecmp(imbe_type, "soft") == 0) { - imbe = imbe_decoder_sptr(new software_imbe_decoder()); - } else if(strcasecmp(imbe_type, "vc55") == 0) { - imbe = imbe_decoder_sptr(new vc55_imbe_decoder()); - } else { - imbe = imbe_decoder_sptr(new dummy_imbe_decoder()); - } - } else { - imbe = imbe_decoder_sptr(new software_imbe_decoder()); - } - return imbe; -} diff --git a/decoder/src/lib/ldu1.cc b/decoder/src/lib/ldu1.cc deleted file mode 100644 index 19f9c2f..0000000 --- a/decoder/src/lib/ldu1.cc +++ /dev/null @@ -1,41 +0,0 @@ -/* -*- 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 <ldu1.h> - -using std::string; - -ldu1::ldu1(const_bit_queue& frame_body) : - voice_data_unit(frame_body) -{ -} - -ldu1::~ldu1() -{ -} - -string -ldu1::duid_str() const -{ - return string("LDU1"); -} diff --git a/decoder/src/lib/ldu1.h b/decoder/src/lib/ldu1.h deleted file mode 100644 index b9feee8..0000000 --- a/decoder/src/lib/ldu1.h +++ /dev/null @@ -1,55 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_LDU1_H -#define INCLUDED_LDU1_H - -#include <voice_data_unit.h> - -/** - * P25 Logical Data Unit 1. - */ -class ldu1 : public voice_data_unit -{ -public: - - /** - * ldu1 constuctor - * - * \param frame_body A const_bit_queue representing the frame body. - */ - ldu1(const_bit_queue& frame_body); - - /** - * ldu1 (virtual) destuctor - */ - virtual ~ldu1(); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string duid_str() const; - -}; - -#endif /* INCLUDED_LDU1_H */ diff --git a/decoder/src/lib/ldu2.cc b/decoder/src/lib/ldu2.cc deleted file mode 100644 index 8638275..0000000 --- a/decoder/src/lib/ldu2.cc +++ /dev/null @@ -1,41 +0,0 @@ -/* -*- 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 <ldu2.h> - -using std::string; - -ldu2::ldu2(const_bit_queue& frame_body) : - voice_data_unit(frame_body) -{ -} - -ldu2::~ldu2() -{ -} - -string -ldu2::duid_str() const -{ - return string("LDU2"); -} diff --git a/decoder/src/lib/ldu2.h b/decoder/src/lib/ldu2.h deleted file mode 100644 index 508482d..0000000 --- a/decoder/src/lib/ldu2.h +++ /dev/null @@ -1,54 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_LDU2_H -#define INCLUDED_LDU2_H - -#include <voice_data_unit.h> - -/** - * P25 Logical Data Unit 2. - */ -class ldu2 : public voice_data_unit -{ -public: - - /** - * ldu2 constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - */ - ldu2(const_bit_queue& frame_body); - - /** - * ldu2 (virtual) destructor. - */ - virtual ~ldu2(); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string duid_str() const; -}; - -#endif /* INCLUDED_LDU2_H */ diff --git a/decoder/src/lib/logfile_du_handler.cc b/decoder/src/lib/logfile_du_handler.cc deleted file mode 100644 index 36aa9dc..0000000 --- a/decoder/src/lib/logfile_du_handler.cc +++ /dev/null @@ -1,47 +0,0 @@ -/* -*- 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 <logfile_du_handler.h> -#include <iomanip> -#include <stdint.h> - -using namespace std; - -logfile_du_handler::logfile_du_handler(data_unit_handler_sptr next, const char *filename) : - data_unit_handler(next), - d_log(filename) -{ -} - -logfile_du_handler::~logfile_du_handler() -{ - d_log.flush(); - d_log.close(); -} - -void -logfile_du_handler::handle(data_unit_sptr du) -{ - du->dump(d_log); - data_unit_handler::handle(du); -} diff --git a/decoder/src/lib/logfile_du_handler.h b/decoder/src/lib/logfile_du_handler.h deleted file mode 100644 index f06b0f8..0000000 --- a/decoder/src/lib/logfile_du_handler.h +++ /dev/null @@ -1,68 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_LOGFILE_DU_HANDLER_H -#define INCLUDED_LOGFILE_DU_HANDLER_H - -#include <data_unit_handler.h> -#include <boost/noncopyable.hpp> -#include <fstream> - -/** - * logfile_data_unit_handler writes frames to a log file for later inspection. - */ -class logfile_du_handler : public data_unit_handler -{ - -public: - - /** - * logfile_du_handler constructor. - * - * \param next The next data_unit_handler in the chain. - * \param filename The path to the log file. - */ - logfile_du_handler(data_unit_handler_sptr next, const char *filename); - - /** - * logfile_du_handler virtual destructor. - */ - virtual ~logfile_du_handler(); - - /** - * Handle a received P25 frame. - * - * \param next The next data_unit_handler in this chain. - */ - virtual void handle(data_unit_sptr du); - -private: - - /** - * The file to which decoded frames are written. - */ - std::ofstream d_log; - -}; - -#endif /* INCLUDED_LOGFILE_DU_HANDLER_H */ diff --git a/decoder/src/lib/offline_imbe_decoder.cc b/decoder/src/lib/offline_imbe_decoder.cc deleted file mode 100644 index 617df66..0000000 --- a/decoder/src/lib/offline_imbe_decoder.cc +++ /dev/null @@ -1,63 +0,0 @@ -/* -*- 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; - } - } -} diff --git a/decoder/src/lib/offline_imbe_decoder.h b/decoder/src/lib/offline_imbe_decoder.h deleted file mode 100644 index 9e45aad..0000000 --- a/decoder/src/lib/offline_imbe_decoder.h +++ /dev/null @@ -1,64 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_OFFLINE_IMBE_DECODER_H -#define INCLUDED_OFFLINE_IMBE_DECODER_H - -#include <imbe_decoder.h> - -#include <cstdio> - -/** - * offline_imbe_decoder dumps voice codewords to file for offline decoding. - * - */ -class offline_imbe_decoder : public imbe_decoder { -public: - - /** - * offline_imbe_decoder default constructor. - */ - offline_imbe_decoder(); - - /** - * offline_imbe_decoder (virtual) destructor. - */ - virtual ~offline_imbe_decoder(); - - /** - * Dump voice_codeword in_out to file. - * - * \param cw IMBE codewords and parity. - */ - virtual void decode(const voice_codeword& cw); - -private: - - /** - * The output file. - */ - FILE *d_fp; - -}; - -#endif /* INCLUDED_OFFLINE_IMBE_DECODER_H */ diff --git a/decoder/src/lib/op25.i b/decoder/src/lib/op25.i deleted file mode 100644 index f9be160..0000000 --- a/decoder/src/lib/op25.i +++ /dev/null @@ -1,100 +0,0 @@ -/* -*- C++ -*- */ - -%feature("autodoc", "1"); - -%include "exception.i" -%import "gnuradio.i" - -%{ -#include "gnuradio_swig_bug_workaround.h" -#include "op25_decoder_bf.h" -#include "op25_fsk4_slicer_fb.h" -#include "op25_pcap_source_b.h" -#include <stdexcept> -%} - -// ---------------------------------------------------------------- - -/* - * First arg is the package prefix. - * Second arg is the name of the class minus the prefix. - * - * This does some behind-the-scenes magic so we can invoke - * op25_make_decoder_bsf from python as op25.decoder_bf. - */ -GR_SWIG_BLOCK_MAGIC(op25, decoder_bf); - -/* - * Publicly-accesible default constuctor function for op25_decoder_bf. - */ -op25_decoder_bf_sptr op25_make_decoder_bf(); - -/** - * The op25_decoder_bf block. Accepts a stream of dibit symbols and - * produces an 8KS/s audio stream. - */ -class op25_decoder_bf : public gr_block -{ -private: - op25_decoder_bf(); -public: - const char *destination() const; - gr_msg_queue_sptr get_msgq() const; - void set_msgq(gr_msg_queue_sptr msgq); -}; - -// ---------------------------------------------------------------- - -/* - * First arg is the package prefix. - * Second arg is the name of the class minus the prefix. - * - * This does some behind-the-scenes magic so we can invoke - * op25_make_slicer_fb from python as op25.slicer_fbf. - */ -GR_SWIG_BLOCK_MAGIC(op25, fsk4_slicer_fb); - -/* - * Publicly-accesible default constuctor function for op25_decoder_bf. - */ -op25_fsk4_slicer_fb_sptr op25_make_fsk4_slicer_fb(const std::vector<float> &slice_levels); - -/* - * The op25_fsk4_slicer block. Takes a series of float samples and - * partitions them into dibit symbols according to the slices_levels - * provided to the constructor. - */ -class op25_fsk4_slicer_fb : public gr_sync_block -{ -private: - op25_fsk4_slicer_fb (const std::vector<float> &slice_levels); -}; - -// ---------------------------------------------------------------- - -/* - * First arg is the package prefix. - * Second arg is the name of the class minus the prefix. - * - * This does some behind-the-scenes magic so we can invoke - * op25_make_pcap_source from python as op25.pcap_source. - */ -GR_SWIG_BLOCK_MAGIC(op25, pcap_source_b); - -/* - * Publicly-accesible constuctor function for op25_pcap_source. - */ -op25_pcap_source_b_sptr op25_make_pcap_source_b(const char *path, float delay); - -/* - * The op25_pcap_source block. Reads symbols from a tcpdump-formatted - * file and produces a stream of symbols of the appropriate size. - */ -class op25_pcap_source_b : public gr_sync_block -{ -private: - op25_pcap_source_b(const char *path, float delay); -}; - -// ---------------------------------------------------------------- - diff --git a/decoder/src/lib/op25_decoder_bf.cc b/decoder/src/lib/op25_decoder_bf.cc deleted file mode 100644 index d138909..0000000 --- a/decoder/src/lib/op25_decoder_bf.cc +++ /dev/null @@ -1,221 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2011 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <algorithm> -#include <gr_io_signature.h> -#include <iostream> -#include <itpp/comm/bch.h> -#include <logfile_du_handler.h> -#include <offline_imbe_decoder.h> -#include <op25_decoder_bf.h> -#include <snapshot_du_handler.h> -#include <p25cai_du_handler.h> -#include <voice_du_handler.h> -#include <op25_yank.h> - -using namespace std; - -op25_decoder_bf_sptr -op25_make_decoder_bf() -{ - return op25_decoder_bf_sptr(new op25_decoder_bf); -} - -op25_decoder_bf::~op25_decoder_bf() -{ -} - -gr_msg_queue_sptr -op25_decoder_bf::get_msgq() const -{ - return d_snapshot_du_handler->get_msgq(); -} - -void - -op25_decoder_bf::set_msgq(gr_msg_queue_sptr msgq) -{ - d_snapshot_du_handler->set_msgq(msgq); -} - -void -op25_decoder_bf::forecast(int nof_output_items, gr_vector_int &nof_input_items_reqd) -{ - /* This block consumes 4800 symbols/s and produces 8000 - * samples/s. That's a work rate of 3/5 or 0.6. If no audio output - * is available we'll produce silence. - */ - const size_t nof_inputs = nof_input_items_reqd.size(); - const int nof_samples_reqd = .6 * nof_output_items; - fill(&nof_input_items_reqd[0], &nof_input_items_reqd[nof_inputs], nof_samples_reqd); -} - -int -op25_decoder_bf::general_work(int nof_output_items, gr_vector_int& nof_input_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items) -{ - try { - - // process input - const uint8_t *in = reinterpret_cast<const uint8_t*>(input_items[0]); - for(int i = 0; i < nof_input_items[0]; ++i) { - dibit d = in[i] & 0x3; - receive_symbol(d); - } - consume_each(nof_input_items[0]); - - // produce audio - audio_samples *samples = d_imbe->audio(); - float *out = reinterpret_cast<float*>(output_items[0]); - const int n = min(static_cast<int>(samples->size()), nof_output_items); - if(0 < n) { - copy(samples->begin(), samples->begin() + n, out); - samples->erase(samples->begin(), samples->begin() + n); - } - if(n < nof_output_items) { - fill(out + n, out + nof_output_items, 0.0); - } - return nof_output_items; - - } catch(const std::exception& x) { - cerr << x.what() << endl; - exit(1); - } catch(...) { - cerr << "unhandled exception" << endl; - exit(2); } -} - -const char* -op25_decoder_bf::destination() const -{ - return d_p25cai_du_handler->destination(); -} - -op25_decoder_bf::op25_decoder_bf() : - gr_block("decoder_bf", gr_make_io_signature(1, 1, sizeof(uint8_t)), gr_make_io_signature(0, 1, sizeof(float))), - d_data_unit(), - d_data_unit_handler(), - d_frame_hdr(), - d_imbe(imbe_decoder::make()), - d_state(SYNCHRONIZING), - d_p25cai_du_handler(NULL) -{ - d_p25cai_du_handler = new p25cai_du_handler(d_data_unit_handler, "224.0.0.1", 23456); - d_data_unit_handler = data_unit_handler_sptr(d_p25cai_du_handler); - d_snapshot_du_handler = new snapshot_du_handler(d_data_unit_handler); - d_data_unit_handler = data_unit_handler_sptr(d_snapshot_du_handler); - d_data_unit_handler = data_unit_handler_sptr(new voice_du_handler(d_data_unit_handler, d_imbe)); -} - -bool -op25_decoder_bf::correlated() -{ - static const bool FS[] = { - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 1, 1, 0, 1, 0, 1, - 1, 1, 1, 1, 0, 1, 0, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 0, 1, 1, 1, 0, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1 - }; - static const size_t FS_SZ = sizeof(FS)/sizeof(FS[0]); - - uint8_t errs = 0; - for(size_t i = 0; i < FS_SZ; ++i) { - if(d_frame_hdr[i] ^ FS[i]) { - ++errs; - } - } - return (errs <= 4); -} - -data_unit_sptr -op25_decoder_bf::identified() -{ - static const size_t NID[] = { - 63, 62, 61, 60, 59, 58, 57, 56, - 55, 54, 53, 52, 51, 50, 49, 48, - 112, 111, 110, 109, 108, 107, 106, 105, - 104, 103, 102, 101, 100, 99, 98, 97, - 96, 95, 94, 93, 92, 91, 90, 89, - 88, 87, 86, 85, 84, 83, 82, 81, - 80, 79, 78, 77, 76, 75, 74, 73, - 72, 69, 68, 67, 66, 65, 64, - }; - size_t NID_SZ = sizeof(NID) / sizeof(NID[0]); - - itpp::bvec b(63), zeroes(16); - itpp::BCH bch(63, 16, 11, "6 3 3 1 1 4 1 3 6 7 2 3 5 4 5 3", true); - yank(d_frame_hdr, NID, NID_SZ, b, 0); - b = bch.decode(b); - if(b != zeroes) { - b = bch.encode(b); - yank_back(b, 0, d_frame_hdr, NID, NID_SZ); - d_data_unit = data_unit::make_data_unit(d_frame_hdr); - } else { - data_unit_sptr null; - d_data_unit = null; - } - return d_data_unit; -} - -void -op25_decoder_bf::receive_symbol(dibit d) -{ - d_frame_hdr.push_back(d & 0x2); - d_frame_hdr.push_back(d & 0x1); - const size_t frame_hdr_sz = d_frame_hdr.size(); - - switch(d_state) { - case SYNCHRONIZING: - if(48 <= frame_hdr_sz) { - d_frame_hdr.erase(d_frame_hdr.begin(), d_frame_hdr.begin() + (frame_hdr_sz - 48)); - if(correlated()) { - d_state = IDENTIFYING; - } - } - break; - case IDENTIFYING: - if(114 == frame_hdr_sz) { - if(identified()) { - d_state = READING; - } else { - d_state = SYNCHRONIZING; - } - } - break; - case READING: - d_data_unit->extend(d); - if(d_data_unit->is_complete()) { - d_data_unit->correct_errors(); - d_data_unit_handler->handle(d_data_unit); - data_unit_sptr null; - d_data_unit = null; - d_state = SYNCHRONIZING; - } - break; - } -} diff --git a/decoder/src/lib/op25_decoder_bf.h b/decoder/src/lib/op25_decoder_bf.h deleted file mode 100644 index 3ee1b92..0000000 --- a/decoder/src/lib/op25_decoder_bf.h +++ /dev/null @@ -1,168 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2011 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. - */ - -#ifndef INCLUDED_OP25_DECODER_BF_H -#define INCLUDED_OP25_DECODER_BF_H - -#include <boost/scoped_ptr.hpp> -#include <data_unit.h> -#include <data_unit_handler.h> -#include <gr_block.h> -#include <gr_msg_queue.h> -#include <imbe_decoder.h> - -typedef boost::shared_ptr<class op25_decoder_bf> op25_decoder_bf_sptr; - -op25_decoder_bf_sptr op25_make_decoder_bf(); - -/** - * op25_decoder_bf is a GNU Radio block for decoding APCO P25 - * signals. This class expects its input to be a stream of dibit - * symbols from the demodulator and produces a mono audio - * stream. - */ -class op25_decoder_bf : public gr_block -{ -public: - - /** - * op25_decoder_bf (virtual) destructor. - */ - virtual ~op25_decoder_bf(); - - /** - * Estimate nof_input_items_reqd for a given nof_output_items. - */ - virtual void forecast(int nof_output_items, gr_vector_int &nof_input_items_reqd); - - /** - * Process symbols into frames. - */ - virtual int general_work(int nof_output_items, gr_vector_int& nof_input_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items); - /** - * Return a pointer to a string identifying the destination of - * the received frames. - * - * \return A pointer to a NUL-terminated character string. - */ - const char *destination() const; - - /** - * Accessor for the msgq attribute. Returns a pointer to the msgq - * if it exists. - * - * \return A (possibly NULL) gr_msg_queue_sptr pointing to the message queue. - */ - gr_msg_queue_sptr get_msgq() const; - - /** - * Accessor for the msgq attribute. Sets the msgq to point to the - * provided message queue object. - * - * \return A (possibly NULL) gr_msg_queue_sptr pointing to the message queue. - */ - void set_msgq(gr_msg_queue_sptr msgq); - -private: - - /** - * Expose class to public ctor. Create a new instance of - * op25_decoder_bf and wrap it in a shared_ptr. This is effectively - * the public constructor. - */ - friend op25_decoder_bf_sptr op25_make_decoder_bf(); - - /** - * op25_decoder_bf protected constructor. - */ - op25_decoder_bf(); - - /** - * Tests whether d_frame_header correlates with the APCO P25 frame - * sync sequence. This method must only be called when the frame - * header is larger than 48 bits in length (the minimum size for - * the FS). - * - * \return true if the frame header correlates; otherwise false. - */ - bool correlated(); - - /** - * Tests whether d_frame_header identifies a known data unit and if - * so sets d_data_unit to point to an appropriate instance and - * returns a pointer to it. This method must only be called when - * the frame header is larger than 114 bits in length (the minimum - * size for a frame containing a NID). - * - * \return A data_unit_sptr pointing to an appropriate data_unit - * instance or NULL if the frame header is unrecognized. - */ - data_unit_sptr identified(); - - /** - * Handle a received symbol. - * - * \param d The symbol to process. - */ - void receive_symbol(dibit d); - -private: - - /** - * When d_state == READING the current data unit, otherwise null. - */ - data_unit_sptr d_data_unit; - - /** - * The head of a chain of data_unit_handler instances. - */ - data_unit_handler_sptr d_data_unit_handler; - - /** - * A bit_queue used to correlate the FS. - */ - bit_queue d_frame_hdr; - - /** - * The IMBE decoder to use. - */ - imbe_decoder_sptr d_imbe; - - /** - * Valid states for the decoder state model. - */ - enum { SYNCHRONIZING, IDENTIFYING, READING } d_state; - - /** - * The p25cai (TUN/TAP) data unit handler. - */ - class p25cai_du_handler *d_p25cai_du_handler; - - /** - * The snapshot data unit handler. - */ - class snapshot_du_handler *d_snapshot_du_handler; - -}; - -#endif /* INCLUDED_OP25_DECODER_BF_H */ diff --git a/decoder/src/lib/op25_decoder_ff.cc b/decoder/src/lib/op25_decoder_ff.cc deleted file mode 100644 index 51e6f1d..0000000 --- a/decoder/src/lib/op25_decoder_ff.cc +++ /dev/null @@ -1,230 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2011 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <algorithm> -#include <gr_io_signature.h> -#include <iostream> -#include <itpp/comm/bch.h> -#include <logfile_du_handler.h> -#include <offline_imbe_decoder.h> -#include <op25_decoder_ff.h> -#include <snapshot_du_handler.h> -#include <p25cai_du_handler.h> -#include <voice_du_handler.h> -#include <op25_yank.h> - -using namespace std; - -op25_decoder_ff_sptr -op25_make_decoder_ff() -{ - return op25_decoder_ff_sptr(new op25_decoder_ff); -} - -op25_decoder_ff::~op25_decoder_ff() -{ -} - -gr_msg_queue_sptr -op25_decoder_ff::get_msgq() const -{ - return d_snapshot_du_handler->get_msgq(); -} - -void - -op25_decoder_ff::set_msgq(gr_msg_queue_sptr msgq) -{ - d_snapshot_du_handler->set_msgq(msgq); -} - -void -op25_decoder_ff::forecast(int nof_output_items, gr_vector_int &nof_input_items_reqd) -{ - /* This block consumes 4800 symbols/s and produces 8000 - * samples/s. That's a work rate of 3/5 or 0.6. If no audio output - * is available we'll produce silence. - */ - const size_t nof_inputs = nof_input_items_reqd.size(); - const int nof_samples_reqd = .6 * nof_output_items; - fill(&nof_input_items_reqd[0], &nof_input_items_reqd[nof_inputs], nof_samples_reqd); -} - -int -op25_decoder_ff::general_work(int nof_output_items, gr_vector_int& nof_input_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items) -{ - try { - - // process input - const float *in = reinterpret_cast<const float*>(input_items[0]); - for(int i = 0; i < nof_input_items[0]; ++i) { - dibit d; - if(in[i] < -2.0) { - d = 3; - } else if(in[i] < 0.0) { - d = 2; - } else if(in[i] < 2.0) { - d = 0; - } else { - d = 1; - } - receive_symbol(d); - } - consume_each(nof_input_items[0]); - - // produce audio - audio_samples *samples = d_imbe->audio(); - float *out = reinterpret_cast<float*>(output_items[0]); - const int n = min(static_cast<int>(samples->size()), nof_output_items); - if(0 < n) { - copy(samples->begin(), samples->begin() + n, out); - samples->erase(samples->begin(), samples->begin() + n); - } - if(n < nof_output_items) { - fill(out + n, out + nof_output_items, 0.0); - } - return nof_output_items; - - } catch(const std::exception& x) { - cerr << x.what() << endl; - exit(1); - } catch(...) { - cerr << "unhandled exception" << endl; - exit(2); } -} - -const char* -op25_decoder_ff::destination() const -{ - return d_p25cai_du_handler->destination(); -} - -op25_decoder_ff::op25_decoder_ff() : - gr_block("decoder_ff", gr_make_io_signature(1, 1, sizeof(float)), gr_make_io_signature(0, 1, sizeof(float))), - d_data_unit(), - d_data_unit_handler(), - d_frame_hdr(), - d_imbe(imbe_decoder::make()), - d_state(SYNCHRONIZING), - d_p25cai_du_handler(NULL) -{ - d_p25cai_du_handler = new p25cai_du_handler(d_data_unit_handler, "224.0.0.1", 23456); - d_data_unit_handler = data_unit_handler_sptr(d_p25cai_du_handler); - d_snapshot_du_handler = new snapshot_du_handler(d_data_unit_handler); - d_data_unit_handler = data_unit_handler_sptr(d_snapshot_du_handler); - d_data_unit_handler = data_unit_handler_sptr(new voice_du_handler(d_data_unit_handler, d_imbe)); -} - -bool -op25_decoder_ff::correlated() -{ - static const bool FS[] = { - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 1, 1, 0, 1, 0, 1, - 1, 1, 1, 1, 0, 1, 0, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 0, 1, 1, 1, 0, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1 - }; - static const size_t FS_SZ = sizeof(FS)/sizeof(FS[0]); - - uint8_t errs = 0; - for(size_t i = 0; i < FS_SZ; ++i) { - if(d_frame_hdr[i] ^ FS[i]) { - ++errs; - } - } - return (errs <= 4); -} - -data_unit_sptr -op25_decoder_ff::identified() -{ - static const size_t NID[] = { - 63, 62, 61, 60, 59, 58, 57, 56, - 55, 54, 53, 52, 51, 50, 49, 48, - 112, 111, 110, 109, 108, 107, 106, 105, - 104, 103, 102, 101, 100, 99, 98, 97, - 96, 95, 94, 93, 92, 91, 90, 89, - 88, 87, 86, 85, 84, 83, 82, 81, - 80, 79, 78, 77, 76, 75, 74, 73, - 72, 69, 68, 67, 66, 65, 64, - }; - size_t NID_SZ = sizeof(NID) / sizeof(NID[0]); - - itpp::bvec b(63), zeroes(16); - itpp::BCH bch(63, 16, 11, "6 3 3 1 1 4 1 3 6 7 2 3 5 4 5 3", true); - yank(d_frame_hdr, NID, NID_SZ, b, 0); - b = bch.decode(b); - if(b != zeroes) { - b = bch.encode(b); - yank_back(b, 0, d_frame_hdr, NID, NID_SZ); - d_data_unit = data_unit::make_data_unit(d_frame_hdr); - } else { - data_unit_sptr null; - d_data_unit = null; - } - return d_data_unit; -} - -void -op25_decoder_ff::receive_symbol(dibit d) -{ - d_frame_hdr.push_back(d & 0x2); - d_frame_hdr.push_back(d & 0x1); - const size_t frame_hdr_sz = d_frame_hdr.size(); - - switch(d_state) { - case SYNCHRONIZING: - if(48 <= frame_hdr_sz) { - d_frame_hdr.erase(d_frame_hdr.begin(), d_frame_hdr.begin() + (frame_hdr_sz - 48)); - if(correlated()) { - d_state = IDENTIFYING; - } - } - break; - case IDENTIFYING: - if(114 == frame_hdr_sz) { - if(identified()) { - d_state = READING; - } else { - d_state = SYNCHRONIZING; - } - } - break; - case READING: - d_data_unit->extend(d); - if(d_data_unit->is_complete()) { - d_data_unit->correct_errors(); - d_data_unit_handler->handle(d_data_unit); - data_unit_sptr null; - d_data_unit = null; - d_state = SYNCHRONIZING; - } - break; - } -} diff --git a/decoder/src/lib/op25_decoder_ff.h b/decoder/src/lib/op25_decoder_ff.h deleted file mode 100644 index 43b6d62..0000000 --- a/decoder/src/lib/op25_decoder_ff.h +++ /dev/null @@ -1,168 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2011 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. - */ - -#ifndef INCLUDED_OP25_DECODER_FF_H -#define INCLUDED_OP25_DECODER_FF_H - -#include <boost/scoped_ptr.hpp> -#include <data_unit.h> -#include <data_unit_handler.h> -#include <gr_block.h> -#include <gr_msg_queue.h> -#include <imbe_decoder.h> - -typedef boost::shared_ptr<class op25_decoder_ff> op25_decoder_ff_sptr; - -op25_decoder_ff_sptr op25_make_decoder_ff(); - -/** - * op25_decoder_ff is a GNU Radio block for decoding APCO P25 - * signals. This class expects its input to be a stream of dibit - * symbols from the demodulator and produces a mono audio - * stream. - */ -class op25_decoder_ff : public gr_block -{ -public: - - /** - * op25_decoder_ff (virtual) destructor. - */ - virtual ~op25_decoder_ff(); - - /** - * Estimate nof_input_items_reqd for a given nof_output_items. - */ - virtual void forecast(int nof_output_items, gr_vector_int &nof_input_items_reqd); - - /** - * Process symbols into frames. - */ - virtual int general_work(int nof_output_items, gr_vector_int& nof_input_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items); - /** - * Return a pointer to a string identifying the destination of - * the received frames. - * - * \return A pointer to a NUL-terminated character string. - */ - const char *destination() const; - - /** - * Accessor for the msgq attribute. Returns a pointer to the msgq - * if it exists. - * - * \return A (possibly NULL) gr_msg_queue_sptr pointing to the message queue. - */ - gr_msg_queue_sptr get_msgq() const; - - /** - * Accessor for the msgq attribute. Sets the msgq to point to the - * provided message queue object. - * - * \return A (possibly NULL) gr_msg_queue_sptr pointing to the message queue. - */ - void set_msgq(gr_msg_queue_sptr msgq); - -private: - - /** - * Expose class to public ctor. Create a new instance of - * op25_decoder_ff and wrap it in a shared_ptr. This is effectively - * the public constructor. - */ - friend op25_decoder_ff_sptr op25_make_decoder_ff(); - - /** - * op25_decoder_ff protected constructor. - */ - op25_decoder_ff(); - - /** - * Tests whether d_frame_header correlates with the APCO P25 frame - * sync sequence. This method must only be called when the frame - * header is larger than 48 bits in length (the minimum size for - * the FS). - * - * \return true if the frame header correlates; otherwise false. - */ - bool correlated(); - - /** - * Tests whether d_frame_header identifies a known data unit and if - * so sets d_data_unit to point to an appropriate instance and - * returns a pointer to it. This method must only be called when - * the frame header is larger than 114 bits in length (the minimum - * size for a frame containing a NID). - * - * \return A data_unit_sptr pointing to an appropriate data_unit - * instance or NULL if the frame header is unrecognized. - */ - data_unit_sptr identified(); - - /** - * Handle a received symbol. - * - * \param d The symbol to process. - */ - void receive_symbol(dibit d); - -private: - - /** - * When d_state == READING the current data unit, otherwise null. - */ - data_unit_sptr d_data_unit; - - /** - * The head of a chain of data_unit_handler instances. - */ - data_unit_handler_sptr d_data_unit_handler; - - /** - * A bit_queue used to correlate the FS. - */ - bit_queue d_frame_hdr; - - /** - * The IMBE decoder to use. - */ - imbe_decoder_sptr d_imbe; - - /** - * Valid states for the decoder state model. - */ - enum { SYNCHRONIZING, IDENTIFYING, READING } d_state; - - /** - * The p25cai (TUN/TAP) data unit handler. - */ - class p25cai_du_handler *d_p25cai_du_handler; - - /** - * The snapshot data unit handler. - */ - class snapshot_du_handler *d_snapshot_du_handler; - -}; - -#endif /* INCLUDED_OP25_DECODER_FF_H */ diff --git a/decoder/src/lib/op25_fsk4_slicer_fb.cc b/decoder/src/lib/op25_fsk4_slicer_fb.cc deleted file mode 100644 index 4fa9b03..0000000 --- a/decoder/src/lib/op25_fsk4_slicer_fb.cc +++ /dev/null @@ -1,123 +0,0 @@ -/* -*- Mode: C++ -*- */ - -/* - * Copyright 2010, KA1RBI - * - * 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. - */ - -/* - * config.h is generated by configure. It contains the results - * of probing for features, options etc. It should be the first - * file included in your .cc file. - */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <op25_fsk4_slicer_fb.h> -#include <gr_io_signature.h> -#include <stdio.h> - -/* - * Create a new instance of op25_fsk4_slicer_fb and return - * a boost shared_ptr. This is effectively the public constructor. - */ -op25_fsk4_slicer_fb_sptr -op25_make_fsk4_slicer_fb(const std::vector<float> &slice_levels) -{ - return op25_fsk4_slicer_fb_sptr(new op25_fsk4_slicer_fb (slice_levels)); -} - -/* - * Specify constraints on number of input and output streams. - * This info is used to construct the input and output signatures - * (2nd & 3rd args to gr_block's constructor). The input and - * output signatures are used by the runtime system to - * check that a valid number and type of inputs and outputs - * are connected to this block. In this case, we accept - * only 1 input and 1 output. - */ -static const int MIN_IN = 1; // mininum number of input streams -static const int MAX_IN = 1; // maximum number of input streams -static const int MIN_OUT = 1; // minimum number of output streams -static const int MAX_OUT = 1; // maximum number of output streams - -/* - * The private constructor - */ -op25_fsk4_slicer_fb::op25_fsk4_slicer_fb(const std::vector<float> &slice_levels) - : gr_sync_block("fsk4_slicer_fb", - gr_make_io_signature(MIN_IN, MAX_IN, sizeof(float)), - gr_make_io_signature(MIN_OUT, MAX_OUT, sizeof(unsigned char))) -{ - d_slice_levels[0] = slice_levels[0]; - d_slice_levels[1] = slice_levels[1]; - d_slice_levels[2] = slice_levels[2]; - d_slice_levels[3] = slice_levels[3]; -} - -/* - * Our virtual destructor. - */ -op25_fsk4_slicer_fb::~op25_fsk4_slicer_fb() -{ - // nothing else required in this example -} - -int -op25_fsk4_slicer_fb::work(int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - const float *in = (const float *) input_items[0]; - unsigned char *out = (unsigned char *) output_items[0]; - - for(int i = 0; i < noutput_items; i++){ -#if 0 - if(in[i] < -2.0) { - out[i] = 3; - } else if(in[i] < 0.0) { - out[i] = 2; - } else if(in[i] < 2.0) { - out[i] = 0; - } else { - out[i] = 1; - } -#endif - uint8_t dibit; - float sym = in[i]; - if(d_slice_levels[3] < 0) { - dibit = 1; - if(d_slice_levels[3] <= sym && sym < d_slice_levels[0]) - dibit = 3; - } else { - dibit = 3; - if(d_slice_levels[2] <= sym && sym < d_slice_levels[3]) - dibit = 1; - } - if(d_slice_levels[0] <= sym && sym < d_slice_levels[1]) - dibit = 2; - if(d_slice_levels[1] <= sym && sym < d_slice_levels[2]) - dibit = 0; - out[i] = dibit; - } - - // Tell runtime system how many output items we produced. - return noutput_items; -} diff --git a/decoder/src/lib/op25_fsk4_slicer_fb.h b/decoder/src/lib/op25_fsk4_slicer_fb.h deleted file mode 100644 index aa7a92b..0000000 --- a/decoder/src/lib/op25_fsk4_slicer_fb.h +++ /dev/null @@ -1,81 +0,0 @@ -/* -*- c++ -*- */ - -/* - * Copyright 2010 KA1RBI - * - * 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 2, 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., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#ifndef INCLUDED_OP25_FSK4_SLICER_FB_H -#define INCLUDED_OP25_FSK4_SLICER_FB_H - -#include <gr_sync_block.h> - -/** - * We use boost::shared_ptr's instead of raw pointers for all access - * to gr_blocks (and many other data structures). The shared_ptr gets - * us transparent reference counting, which greatly simplifies storage - * management issues. This is especially helpful in our hybrid - * C++ / Python system. - * - * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm - * - * As a convention, the _sptr suffix indicates a boost::shared_ptr - */ -typedef boost::shared_ptr<class op25_fsk4_slicer_fb> op25_fsk4_slicer_fb_sptr; - -/** - * Return a shared_ptr to a new instance of op25_fsk4_slicer_fb. To - * avoid accidental use of raw pointers, op25_fsk4_slicer_fb's - * constructor is private. op25_make_fsk4_slicer_fb is the public - * interface for creating new instances. - */ -op25_fsk4_slicer_fb_sptr op25_make_fsk4_slicer_fb (const std::vector<float> &slice_levels); - -/** - * Produce a stream of dibits, given a stream of floats in [-3,-1,1,3]. - * \ingroup block - * - * This uses the preferred technique: subclassing gr_sync_block. - */ -class op25_fsk4_slicer_fb : public gr_sync_block -{ - -public: - - virtual ~op25_fsk4_slicer_fb (); - - virtual int work (int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items); - -private: - - /** - * The friend declaration allows op25_make_fsk4_slicer_fb to access - * the private constructor. - */ - friend op25_fsk4_slicer_fb_sptr op25_make_fsk4_slicer_fb (const std::vector<float> &slice_levels); - - op25_fsk4_slicer_fb (const std::vector<float> &slice_levels); - - float d_slice_levels[4]; - -}; - -#endif /* INCLUDED_OP25_FSK4_SLICER_FB_H */ diff --git a/decoder/src/lib/op25_golay.h b/decoder/src/lib/op25_golay.h deleted file mode 100644 index 36a2aab..0000000 --- a/decoder/src/lib/op25_golay.h +++ /dev/null @@ -1,206 +0,0 @@ -#ifndef INCLUDED_OP25_GOLAY_H -#define INCLUDED_OP25_GOLAY_H - -#include <cstddef> -#include <stdint.h> - -static inline uint32_t -golay_24_encode(uint32_t code_word_in) -{ - static const uint32_t encoding[12] = { - 040006165, - 020003073, - 010007550, - 04003664, - 02001732, - 01006631, - 0403315, - 0201547, - 0106706, - 045227, - 024476, - 014353 - }; - - uint32_t code_word_out = 0; - for(uint16_t i = 0; i < 12; i++) { - uint32_t temp_word = code_word_in & (1 << (11 - i)); - if(temp_word >= 1) { - code_word_out = code_word_out ^ encoding[i]; - } - } - return(code_word_out); -} - -/* APCO Golay(23,11,7) ecoder. - * - * \param val The 12-bit value to encode. - * \return The encoded codeword. - */ - -static inline uint32_t -golay_23_encode(uint32_t code_word_in) -{ - return golay_24_encode(code_word_in) >> 1; -} - -static inline uint32_t -golay_23_syndrome(uint32_t pattern) -{ - uint32_t aux = 0x400000; - while(pattern & 0xFFFFF800) { - while((aux & pattern) == 0) { - aux >>= 1; - } - pattern ^= (aux >> 11) * 0xC75; - } - return pattern; -} -/* APCO Golay(23,11,7) decoder. - * - * \param cw The 23-bit codeword to decode. - * \return The number of errors detected. - */ - -static inline size_t -golay_23_decode(uint32_t& cw) -{ - static const uint32_t decoding[2048] = { - 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 147459, - 1, 2, 2, 3, 2, 3, 3, 4268035, 2, 3, 3, 1574915, 3, 2097155, 294915, 4099, - 1, 2, 2, 3, 2, 3, 3, 147459, 2, 3, 3, 147459, 3, 147459, 147459, 147458, - 2, 3, 3, 32771, 3, 2051, 3149827, 786435, 3, 274435, 4194307, 2162691, 589827, 5275651, 10243, 147459, - 1, 2, 2, 3, 2, 3, 3, 2621443, 2, 3, 3, 8195, 3, 1118211, 294915, 4196355, - 2, 3, 3, 135171, 3, 2051, 294915, 1064963, 3, 4210691, 294915, 2162691, 294915, 663555, 294914, 294915, - 2, 3, 3, 5505027, 3, 2051, 65539, 45059, 3, 557059, 6147, 2162691, 6299651, 262147, 1572867, 147459, - 3, 2051, 548867, 2162691, 2051, 2050, 4325379, 2051, 1179651, 2162691, 2162691, 2162690, 20483, 2051, 294915, 2162691, - 1, 2, 2, 3, 2, 3, 3, 2621443, 2, 3, 3, 327683, 3, 43011, 5242883, 4099, - 2, 3, 3, 32771, 3, 1441795, 18435, 4099, 3, 4210691, 2236419, 4099, 589827, 4099, 4099, 4098, - 2, 3, 3, 32771, 3, 4198403, 270339, 1116163, 3, 3145731, 6147, 4726787, 589827, 262147, 2129923, 147459, - 3, 32771, 32771, 32770, 589827, 2121731, 4325379, 32771, 589827, 133123, 1327107, 32771, 589826, 589827, 589827, 4099, - 2, 3, 3, 2621443, 3, 2621443, 2621443, 2621442, 3, 4210691, 6147, 1212419, 131075, 262147, 90115, 2621443, - 3, 4210691, 1114115, 272387, 12291, 98307, 4325379, 2621443, 4210691, 4210690, 524291, 4210691, 3147779, 4210691, 294915, 4099, - 3, 204803, 6147, 16387, 1097731, 262147, 4325379, 2621443, 6147, 262147, 6146, 6147, 262147, 262146, 6147, 262147, - 2359299, 1576963, 4325379, 32771, 4325379, 2051, 4325378, 4325379, 40963, 4210691, 6147, 2162691, 589827, 262147, 4325379, 1056771, - 1, 2, 2, 3, 2, 3, 3, 268291, 2, 3, 3, 8195, 3, 2097155, 5242883, 622595, - 2, 3, 3, 32771, 3, 2097155, 655363, 1064963, 3, 2097155, 86019, 4587523, 2097155, 2097154, 10243, 2097155, - 2, 3, 3, 32771, 3, 1581059, 65539, 6291459, 3, 4261891, 2883587, 1052675, 36867, 262147, 10243, 147459, - 3, 32771, 32771, 32770, 4472835, 200707, 10243, 32771, 1179651, 540675, 10243, 32771, 10243, 2097155, 10242, 10243, - 2, 3, 3, 8195, 3, 4358147, 65539, 1064963, 3, 8195, 8195, 8194, 542723, 262147, 2232323, 8195, - 3, 851971, 6293507, 1064963, 12291, 1064963, 1064963, 1064962, 1179651, 38915, 524291, 8195, 4259843, 2097155, 294915, 1064963, - 3, 2117635, 65539, 657411, 65539, 262147, 65538, 65539, 1179651, 262147, 4243459, 8195, 262147, 262146, 65539, 262147, - 1179651, 4202499, 266243, 32771, 2654211, 2051, 65539, 1064963, 1179650, 1179651, 1179651, 2162691, 1179651, 262147, 10243, 4722691, - 2, 3, 3, 32771, 3, 81923, 5242883, 139267, 3, 659459, 5242883, 2115587, 5242883, 262147, 5242882, 5242883, - 3, 32771, 32771, 32770, 12291, 4720643, 2424835, 32771, 264195, 1122307, 524291, 32771, 180227, 2097155, 5242883, 4099, - 3, 32771, 32771, 32770, 2230275, 262147, 544771, 32771, 24579, 262147, 196611, 32771, 262147, 262146, 5242883, 262147, - 32771, 32770, 32770, 32769, 1048579, 32771, 32771, 32770, 6295555, 32771, 32771, 32770, 589827, 262147, 10243, 32771, - 3, 1050627, 409603, 4263939, 12291, 262147, 34819, 2621443, 2195459, 262147, 524291, 8195, 262147, 262146, 5242883, 262147, - 12291, 2228227, 524291, 32771, 12290, 12291, 12291, 1064963, 524291, 4210691, 524290, 524291, 12291, 262147, 524291, 198659, - 4718595, 262147, 3153923, 32771, 262147, 262146, 65539, 262147, 262147, 262146, 6147, 262147, 262146, 262145, 262147, 262146, - 83971, 32771, 32771, 32770, 12291, 262147, 4325379, 32771, 1179651, 262147, 524291, 32771, 262147, 262146, 2113539, 262147, - 1, 2, 2, 3, 2, 3, 3, 1081347, 2, 3, 3, 327683, 3, 2097155, 536579, 4196355, - 2, 3, 3, 135171, 3, 2097155, 18435, 786435, 3, 2097155, 4194307, 57347, 2097155, 2097154, 1245187, 2097155, - 2, 3, 3, 2107395, 3, 4198403, 65539, 786435, 3, 557059, 4194307, 1052675, 1312771, 73731, 2129923, 147459, - 3, 1130499, 4194307, 786435, 172035, 786435, 786435, 786434, 4194307, 133123, 4194306, 4194307, 20483, 2097155, 4194307, 786435, - 2, 3, 3, 135171, 3, 286723, 65539, 4196355, 3, 557059, 3162115, 4196355, 131075, 4196355, 4196355, 4196354, - 3, 135171, 135171, 135170, 5767171, 98307, 2105347, 135171, 75779, 1310723, 524291, 135171, 20483, 2097155, 294915, 4196355, - 3, 557059, 65539, 16387, 65539, 3276803, 65538, 65539, 557059, 557058, 401411, 557059, 20483, 557059, 65539, 4196355, - 2359299, 4202499, 1083395, 135171, 20483, 2051, 65539, 786435, 20483, 557059, 4194307, 2162691, 20482, 20483, 20483, 1056771, - 2, 3, 3, 327683, 3, 4198403, 18435, 139267, 3, 327683, 327683, 327682, 131075, 1589251, 2129923, 327683, - 3, 532483, 18435, 7340035, 18435, 98307, 18434, 18435, 1085443, 133123, 524291, 327683, 4464643, 2097155, 18435, 4099, - 3, 4198403, 1703939, 16387, 4198403, 4198402, 2129923, 4198403, 24579, 133123, 2129923, 327683, 2129923, 4198403, 2129922, 2129923, - 2359299, 133123, 77827, 32771, 1048579, 4198403, 18435, 786435, 133123, 133122, 4194307, 133123, 589827, 133123, 2129923, 1056771, - 3, 1050627, 4235267, 16387, 131075, 98307, 1314819, 2621443, 131075, 2109443, 524291, 327683, 131074, 131075, 131075, 4196355, - 2359299, 98307, 524291, 135171, 98307, 98306, 18435, 98307, 524291, 4210691, 524290, 524291, 131075, 98307, 524291, 1056771, - 2359299, 16387, 16387, 16386, 534531, 4198403, 65539, 16387, 5308419, 557059, 6147, 16387, 131075, 262147, 2129923, 1056771, - 2359298, 2359299, 2359299, 16387, 2359299, 98307, 4325379, 1056771, 2359299, 133123, 524291, 1056771, 20483, 1056771, 1056771, 1056770, - 2, 3, 3, 4734979, 3, 2097155, 65539, 139267, 3, 2097155, 165891, 1052675, 2097155, 2097154, 278531, 2097155, - 3, 2097155, 1318915, 67587, 2097155, 2097154, 4231171, 2097155, 2097155, 2097154, 524291, 2097155, 2097154, 2097153, 2097155, 2097154, - 3, 393219, 65539, 1052675, 65539, 51203, 65538, 65539, 24579, 1052675, 1052675, 1052674, 4849667, 2097155, 65539, 1052675, - 530435, 4202499, 2244611, 32771, 1048579, 2097155, 65539, 786435, 360451, 2097155, 4194307, 1052675, 2097155, 2097154, 10243, 2097155, - 3, 1050627, 65539, 2392067, 65539, 528387, 65538, 65539, 4460547, 212995, 524291, 8195, 1089539, 2097155, 65539, 4196355, - 49155, 4202499, 524291, 135171, 395267, 2097155, 65539, 1064963, 524291, 2097155, 524290, 524291, 2097155, 2097154, 524291, 2097155, - 65539, 4202499, 65538, 65539, 65538, 65539, 65537, 65538, 2099203, 557059, 65539, 1052675, 65539, 262147, 65538, 65539, - 4202499, 4202498, 65539, 4202499, 65539, 4202499, 65538, 65539, 1179651, 4202499, 524291, 280579, 20483, 2097155, 65539, 163843, - 3, 1050627, 2101251, 139267, 819203, 139267, 139267, 139266, 24579, 4227075, 524291, 327683, 71683, 2097155, 5242883, 139267, - 4390915, 282627, 524291, 32771, 1048579, 2097155, 18435, 139267, 524291, 2097155, 524290, 524291, 2097155, 2097154, 524291, 2097155, - 24579, 2686979, 4458499, 32771, 1048579, 4198403, 65539, 139267, 24578, 24579, 24579, 1052675, 24579, 262147, 2129923, 526339, - 1048579, 32771, 32771, 32770, 1048578, 1048579, 1048579, 32771, 24579, 133123, 524291, 32771, 1048579, 2097155, 397315, 4276227, - 1050627, 1050626, 524291, 1050627, 6307843, 1050627, 65539, 139267, 524291, 1050627, 524290, 524291, 131075, 262147, 524291, 53251, - 524291, 1050627, 524290, 524291, 12291, 98307, 524291, 4456451, 524290, 524291, 524289, 524290, 524291, 2097155, 524290, 524291, - 167939, 1050627, 65539, 16387, 65539, 262147, 65538, 65539, 24579, 262147, 524291, 6422531, 262147, 262146, 65539, 262147, - 2359299, 4202499, 524291, 32771, 1048579, 671747, 65539, 2103299, 524291, 69635, 524290, 524291, 4229123, 262147, 524291, 1056771, - 1, 2, 2, 3, 2, 3, 3, 1081347, 2, 3, 3, 8195, 3, 4980739, 2164739, 4099, - 2, 3, 3, 2375683, 3, 2051, 655363, 4099, 3, 229379, 4194307, 4099, 1073155, 4099, 4099, 4098, - 2, 3, 3, 593923, 3, 2051, 270339, 6291459, 3, 3145731, 4194307, 296963, 36867, 73731, 1572867, 147459, - 3, 2051, 4194307, 1187843, 2051, 2050, 114691, 2051, 4194307, 540675, 4194306, 4194307, 2490371, 2051, 4194307, 4099, - 2, 3, 3, 8195, 3, 2051, 4214787, 458755, 3, 8195, 8195, 8194, 131075, 2146307, 1572867, 8195, - 3, 2051, 1114115, 4751363, 2051, 2050, 2105347, 2051, 2625539, 1310723, 149507, 8195, 4259843, 2051, 294915, 4099, - 3, 2051, 2260995, 16387, 2051, 2050, 1572867, 2051, 344067, 4329475, 1572867, 8195, 1572867, 2051, 1572866, 1572867, - 2051, 2050, 266243, 2051, 2050, 2049, 2051, 2050, 40963, 2051, 4194307, 2162691, 2051, 2050, 1572867, 2051, - 2, 3, 3, 4327427, 3, 81923, 270339, 4099, 3, 3145731, 573443, 4099, 131075, 4099, 4099, 4098, - 3, 532483, 1114115, 4099, 6324227, 4099, 4099, 4098, 264195, 4099, 4099, 4098, 4099, 4098, 4098, 4097, - 3, 3145731, 270339, 16387, 270339, 688131, 270338, 270339, 3145731, 3145730, 196611, 3145731, 4212739, 3145731, 270339, 4099, - 151555, 4521987, 2623491, 32771, 1048579, 2051, 270339, 4099, 40963, 3145731, 4194307, 4099, 589827, 4099, 4099, 4098, - 3, 299011, 1114115, 16387, 131075, 5251075, 34819, 2621443, 131075, 591875, 6553603, 8195, 131074, 131075, 131075, 4099, - 1114115, 2228227, 1114114, 1114115, 802819, 2051, 1114115, 4099, 40963, 4210691, 1114115, 4099, 131075, 4099, 4099, 4098, - 4718595, 16387, 16387, 16386, 2166787, 2051, 270339, 16387, 40963, 3145731, 6147, 16387, 131075, 262147, 1572867, 4292611, - 40963, 2051, 1114115, 16387, 2051, 2050, 4325379, 2051, 40962, 40963, 40963, 917507, 40963, 2051, 2113539, 4099, - 2, 3, 3, 8195, 3, 81923, 655363, 6291459, 3, 8195, 8195, 8194, 36867, 1181699, 278531, 8195, - 3, 5246979, 655363, 67587, 655363, 303107, 655362, 655363, 264195, 540675, 3178499, 8195, 4259843, 2097155, 655363, 4099, - 3, 393219, 1067011, 6291459, 36867, 6291459, 6291459, 6291458, 36867, 540675, 196611, 8195, 36866, 36867, 36867, 6291459, - 2170883, 540675, 266243, 32771, 1048579, 2051, 655363, 6291459, 540675, 540674, 4194307, 540675, 36867, 540675, 10243, 1376259, - 3, 8195, 8195, 8194, 3407875, 528387, 34819, 8195, 8195, 8194, 8194, 8193, 4259843, 8195, 8195, 8194, - 49155, 2228227, 266243, 8195, 4259843, 2051, 655363, 1064963, 4259843, 8195, 8195, 8194, 4259842, 4259843, 4259843, 8195, - 4718595, 1146883, 266243, 8195, 155651, 2051, 65539, 6291459, 2099203, 8195, 8195, 8194, 36867, 262147, 1572867, 8195, - 266243, 2051, 266242, 266243, 2051, 2050, 266243, 2051, 1179651, 540675, 266243, 8195, 4259843, 2051, 2113539, 163843, - 3, 81923, 2101251, 1835011, 81923, 81922, 34819, 81923, 264195, 4227075, 196611, 8195, 2629635, 81923, 5242883, 4099, - 264195, 2228227, 4218883, 32771, 1048579, 81923, 655363, 4099, 264194, 264195, 264195, 4099, 264195, 4099, 4099, 4098, - 4718595, 14339, 196611, 32771, 1048579, 81923, 270339, 6291459, 196611, 3145731, 196610, 196611, 36867, 262147, 196611, 526339, - 1048579, 32771, 32771, 32770, 1048578, 1048579, 1048579, 32771, 264195, 540675, 196611, 32771, 1048579, 4333571, 2113539, 4099, - 4718595, 2228227, 34819, 8195, 34819, 81923, 34818, 34819, 1069059, 8195, 8195, 8194, 131075, 262147, 34819, 8195, - 2228227, 2228226, 1114115, 2228227, 12291, 2228227, 34819, 4456451, 264195, 2228227, 524291, 8195, 4259843, 1605635, 2113539, 4099, - 4718594, 4718595, 4718595, 16387, 4718595, 262147, 34819, 1183747, 4718595, 262147, 196611, 8195, 262147, 262146, 2113539, 262147, - 4718595, 2228227, 266243, 32771, 1048579, 2051, 2113539, 598019, 40963, 69635, 2113539, 5244931, 2113539, 262147, 2113538, 2113539, - 2, 3, 3, 1081347, 3, 1081347, 1081347, 1081346, 3, 22531, 4194307, 2752515, 131075, 73731, 278531, 1081347, - 3, 532483, 4194307, 67587, 331779, 4341763, 2105347, 1081347, 4194307, 1310723, 4194306, 4194307, 559107, 2097155, 4194307, 4099, - 3, 393219, 4194307, 16387, 2637827, 73731, 137219, 1081347, 4194307, 73731, 4194306, 4194307, 73731, 73730, 4194307, 73731, - 4194307, 2134019, 4194306, 4194307, 1048579, 2051, 4194307, 786435, 4194306, 4194307, 4194305, 4194306, 4194307, 73731, 4194306, 4194307, - 3, 6356995, 788483, 16387, 131075, 528387, 2105347, 1081347, 131075, 1310723, 102403, 8195, 131074, 131075, 131075, 4196355, - 49155, 1310723, 2105347, 135171, 2105347, 2051, 2105346, 2105347, 1310723, 1310722, 4194307, 1310723, 131075, 1310723, 2105347, 606211, - 1060867, 16387, 16387, 16386, 4489219, 2051, 65539, 16387, 2099203, 557059, 4194307, 16387, 131075, 73731, 1572867, 2363395, - 720899, 2051, 4194307, 16387, 2051, 2050, 2105347, 2051, 4194307, 1310723, 4194306, 4194307, 20483, 2051, 4194307, 163843, - 3, 532483, 2101251, 16387, 131075, 2361347, 4784131, 1081347, 131075, 4227075, 1058819, 327683, 131074, 131075, 131075, 4099, - 532483, 532482, 425987, 532483, 1048579, 532483, 18435, 4099, 2179075, 532483, 4194307, 4099, 131075, 4099, 4099, 4098, - 100355, 16387, 16387, 16386, 1048579, 4198403, 270339, 16387, 790531, 3145731, 4194307, 16387, 131075, 73731, 2129923, 526339, - 1048579, 532483, 4194307, 16387, 1048578, 1048579, 1048579, 2293763, 4194307, 133123, 4194306, 4194307, 1048579, 311299, 4194307, 4099, - 131075, 16387, 16387, 16386, 131074, 131075, 131075, 16387, 131074, 131075, 131075, 16387, 131073, 131074, 131074, 131075, - 4200451, 532483, 1114115, 16387, 131075, 98307, 2105347, 4456451, 131075, 1310723, 524291, 2131971, 131074, 131075, 131075, 4099, - 16387, 16386, 16386, 16385, 131075, 16387, 16387, 16386, 131075, 16387, 16387, 16386, 131074, 131075, 131075, 16387, - 2359299, 16387, 16387, 16386, 1048579, 2051, 561155, 16387, 40963, 69635, 4194307, 16387, 131075, 6815747, 329731, 1056771, - 3, 393219, 2101251, 67587, 4204547, 528387, 278531, 1081347, 1638403, 4227075, 278531, 8195, 278531, 2097155, 278530, 278531, - 49155, 67587, 67587, 67586, 1048579, 2097155, 655363, 67587, 143363, 2097155, 4194307, 67587, 2097155, 2097154, 278531, 2097155, - 393219, 393218, 565251, 393219, 1048579, 393219, 65539, 6291459, 2099203, 393219, 4194307, 1052675, 36867, 73731, 278531, 526339, - 1048579, 393219, 4194307, 67587, 1048578, 1048579, 1048579, 28675, 4194307, 540675, 4194306, 4194307, 1048579, 2097155, 4194307, 163843, - 49155, 528387, 5373955, 8195, 528387, 528386, 65539, 528387, 2099203, 8195, 8195, 8194, 131075, 528387, 278531, 8195, - 49154, 49155, 49155, 67587, 49155, 528387, 2105347, 4456451, 49155, 1310723, 524291, 8195, 4259843, 2097155, 1054723, 163843, - 2099203, 393219, 65539, 16387, 65539, 528387, 65538, 65539, 2099202, 2099203, 2099203, 8195, 2099203, 5259267, 65539, 163843, - 49155, 4202499, 266243, 3670019, 1048579, 2051, 65539, 163843, 2099203, 69635, 4194307, 163843, 794627, 163843, 163843, 163842, - 2101251, 4227075, 2101250, 2101251, 1048579, 81923, 2101251, 139267, 4227075, 4227074, 2101251, 4227075, 131075, 4227075, 278531, 526339, - 1048579, 532483, 2101251, 67587, 1048578, 1048579, 1048579, 4456451, 264195, 4227075, 524291, 1196035, 1048579, 2097155, 106499, 4099, - 1048579, 393219, 2101251, 16387, 1048578, 1048579, 1048579, 526339, 24579, 4227075, 196611, 526339, 1048579, 526339, 526339, 526338, - 1048578, 1048579, 1048579, 32771, 1048577, 1048578, 1048578, 1048579, 1048579, 69635, 4194307, 2367491, 1048578, 1048579, 1048579, 526339, - 335875, 1050627, 2101251, 16387, 131075, 528387, 34819, 4456451, 131075, 4227075, 524291, 8195, 131074, 131075, 131075, 3211267, - 49155, 2228227, 524291, 4456451, 1048579, 4456451, 4456451, 4456450, 524291, 69635, 524290, 524291, 131075, 26627, 524291, 4456451, - 4718595, 16387, 16387, 16386, 1048579, 2138115, 65539, 16387, 2099203, 69635, 1343491, 16387, 131075, 262147, 4206595, 526339, - 1048579, 69635, 141315, 16387, 1048578, 1048579, 1048579, 4456451, 69635, 69634, 524291, 69635, 1048579, 69635, 2113539, 163843 - }; - - cw &= 0x007fffff; - unsigned int correction = decoding[golay_23_syndrome(cw)]; - cw ^= correction; - cw >>= 11; - return correction & 3; -} - -#endif /* INCLUDED_OP25_GOLAY_H */ diff --git a/decoder/src/lib/op25_hamming.h b/decoder/src/lib/op25_hamming.h deleted file mode 100644 index 0ab3c7a..0000000 --- a/decoder/src/lib/op25_hamming.h +++ /dev/null @@ -1,186 +0,0 @@ -#ifndef INCLUDED_OP25_HAMMING_H -#define INCLUDED_OP25_HAMMING_H - -#include <cstddef> -#include <stdint.h> - -/* - * APCO Hamming(15,11,3) ecoder. - * - * \param val The 11-bit value to encode. - * \return The encoded codeword. - */ -static inline uint16_t -hamming_15_encode(uint16_t code_word_in) -{ - static long int encoding[11] = { - 0x400f, 0x200e, 0x100d, 0x080c, 0x040b, 0x020a, 0x0109, - 0x0087, 0x0046, 0x0025, 0x0013 - }; - - uint16_t code_word_out = 0u; - for(uint8_t i = 0; i < 11; ++i) { - if(code_word_in & (1u << (10 - i))) { - code_word_out ^= encoding[i]; - } - } - return code_word_out; -} - -/* - * APCO Hamming(15,11,3) decoder. - * - * \param cw The 15-bit codeword to decode. - * \return The number of errors detected. - */ -static inline size_t -hamming_15_decode(uint16_t& cw) -{ - static const int encoding[2048] = { - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 12, 15, 9, 10, 10, 9, 15, 12, 11, 8, 14, 13, 13, 14, 8, 11, - 5, 6, 0, 3, 3, 0, 6, 5, 2, 1, 7, 4, 4, 7, 1, 2, - 6, 5, 3, 0, 0, 3, 5, 6, 1, 2, 4, 7, 7, 4, 2, 1, - 15, 12, 10, 9, 9, 10, 12, 15, 8, 11, 13, 14, 14, 13, 11, 8, - 7, 4, 2, 1, 1, 2, 4, 7, 0, 3, 5, 6, 6, 5, 3, 0, - 14, 13, 11, 8, 8, 11, 13, 14, 9, 10, 12, 15, 15, 12, 10, 9, - 13, 14, 8, 11, 11, 8, 14, 13, 10, 9, 15, 12, 12, 15, 9, 10, - 4, 7, 1, 2, 2, 1, 7, 4, 3, 0, 6, 5, 5, 6, 0, 3, - 0, 3, 5, 6, 6, 5, 3, 0, 7, 4, 2, 1, 1, 2, 4, 7, - 9, 10, 12, 15, 15, 12, 10, 9, 14, 13, 11, 8, 8, 11, 13, 14, - 10, 9, 15, 12, 12, 15, 9, 10, 13, 14, 8, 11, 11, 8, 14, 13, - 3, 0, 6, 5, 5, 6, 0, 3, 4, 7, 1, 2, 2, 1, 7, 4, - 11, 8, 14, 13, 13, 14, 8, 11, 12, 15, 9, 10, 10, 9, 15, 12, - 2, 1, 7, 4, 4, 7, 1, 2, 5, 6, 0, 3, 3, 0, 6, 5, - 1, 2, 4, 7, 7, 4, 2, 1, 6, 5, 3, 0, 0, 3, 5, 6, - 8, 11, 13, 14, 14, 13, 11, 8, 15, 12, 10, 9, 9, 10, 12, 15 - }; - - static const int decoding[16] = { - 0, 0, 0, 1, 0, 2, 4, 8, 0, 16, 32, 64, 128, 256, 512, 1024 - }; - - size_t errs = 0; - uint16_t par = cw & 0xf; - cw &= 0xffff; - cw >>= 4; - uint16_t correction = decoding[encoding[cw] ^ par]; - if(correction) { - cw ^= correction; - ++errs; - } - return errs; -} - -#endif /* INCLUDED_OP25_HAMMING_H */ diff --git a/decoder/src/lib/op25_imbe_frame.h b/decoder/src/lib/op25_imbe_frame.h deleted file mode 100644 index 28d3c2b..0000000 --- a/decoder/src/lib/op25_imbe_frame.h +++ /dev/null @@ -1,428 +0,0 @@ -#ifndef INCLUDED_IMBE_FRAME_H -#define INCLUDED_IMBE_FRAME_H - -#include <cstddef> -#include <stdint.h> -#include <vector> -#include <op25_yank.h> -#include <op25_golay.h> -#include <op25_hamming.h> -#include <stdio.h> - -typedef std::vector<bool> voice_codeword; -typedef const std::vector<bool> const_bit_vector; -typedef std::vector<bool> bit_vector; - -static const size_t nof_voice_codewords = 9, voice_codeword_sz = 144; - -static const uint16_t imbe_ldu_NID_bits[] = { - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, - 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 72, 73, - 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, - 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, - 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - 110, 111, 112, 113 }; - -static const uint16_t imbe_ldu_status_bits[] = { - 70, 71, 142, 143, 214, 215, 286, 287, 358, 359, 430, 431, - 502, 503, 574, 575, 646, 647, 718, 719, 790, 791, 862, 863, - 934, 935, 1006, 1007, 1078, 1079, 1150, 1151, 1222, 1223, 1294, 1295, - 1366, 1367, 1438, 1439, 1510, 1511, 1582, 1583, 1654, 1655, 1726, 1727 }; - -static const uint16_t imbe_ldu_lcf_bits[] = { - 410, 411, 412, 413, 414, 415, 420, 421, - 422, 423, 424, 425, 432, 433, 434, 435, - 436, 437, 442, 443, 444, 445, 446, 447, - 600, 601, 602, 603, 604, 605, 610, 611, - 612, 613, 614, 615, 620, 621, 622, 623, - 624, 625, 630, 631, 632, 633, 634, 635, - 788, 789, 792, 793, 794, 795, 800, 801, - 802, 803, 804, 805, 810, 811, 812, 813, - 814, 815, 820, 821, 822, 823, 824, 825 }; - -// FIXME: separate these into their respective fields -static const uint16_t imbe_ldu_ls_data_bits[] = { - 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, - 422, 423, 424, 425, 426, 427, 428, 429, 432, 433, 434, 435, - 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, - 448, 449, 450, 451, 600, 601, 602, 603, 604, 605, 606, 607, - 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, - 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, - 632, 633, 634, 635, 636, 637, 638, 639, 788, 789, 792, 793, - 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, - 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, - 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, - 978, 979, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, - 990, 991, 992, 993, 994, 995, 996, 997, 998, 999, 1000, 1001, - 1002, 1003, 1004, 1005, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, - 1016, 1017, 1018, 1019, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, - 1176, 1177, 1178, 1179, 1180, 1181, 1182, 1183, 1184, 1185, 1186, 1187, - 1188, 1189, 1190, 1191, 1192, 1193, 1194, 1195, 1196, 1197, 1198, 1199, - 1200, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1356, 1357, 1358, 1359, - 1360, 1361, 1362, 1363, 1364, 1365, 1368, 1369, 1370, 1371, 1372, 1373, - 1374, 1375, 1376, 1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, - 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1393, 1394, 1395, 1396, 1397, - 1546, 1547, 1548, 1549, 1550, 1551, 1552, 1553, 1554, 1555, 1556, 1557, - 1558, 1559, 1560, 1561, 1562, 1563, 1564, 1565, 1566, 1567, 1568, 1569, - 1570, 1571, 1572, 1573, 1574, 1575, 1576, 1577 }; - -static const uint16_t voice_codeword_bits[nof_voice_codewords][voice_codeword_sz] = { - - { 114, 121, 126, 133, 138, 147, 152, 159, 164, 171, 176, 183, - 188, 195, 200, 207, 212, 221, 226, 233, 238, 245, 250, 257, - 115, 120, 127, 132, 139, 146, 153, 158, 165, 170, 177, 182, - 189, 194, 201, 206, 213, 220, 227, 232, 239, 244, 251, 256, - 116, 123, 128, 135, 140, 149, 154, 161, 166, 173, 178, 185, - 190, 197, 202, 209, 216, 223, 228, 235, 240, 247, 252, 259, - 117, 122, 129, 134, 141, 148, 155, 160, 167, 172, 179, 184, - 191, 196, 203, 208, 217, 222, 229, 234, 241, 246, 253, 258, - 118, 125, 130, 137, 144, 151, 156, 163, 168, 175, 180, 187, - 192, 199, 204, 211, 218, 225, 230, 237, 242, 249, 254, 261, - 119, 124, 131, 136, 145, 150, 157, 162, 169, 174, 181, 186, - 193, 198, 205, 210, 219, 224, 231, 236, 243, 248, 255, 260 }, - - { 262, 269, 274, 281, 288, 295, 300, 307, 312, 319, 324, 331, - 336, 343, 348, 355, 362, 369, 374, 381, 386, 393, 398, 405, - 263, 268, 275, 280, 289, 294, 301, 306, 313, 318, 325, 330, - 337, 342, 349, 354, 363, 368, 375, 380, 387, 392, 399, 404, - 264, 271, 276, 283, 290, 297, 302, 309, 314, 321, 326, 333, - 338, 345, 350, 357, 364, 371, 376, 383, 388, 395, 400, 407, - 265, 270, 277, 282, 291, 296, 303, 308, 315, 320, 327, 332, - 339, 344, 351, 356, 365, 370, 377, 382, 389, 394, 401, 406, - 266, 273, 278, 285, 292, 299, 304, 311, 316, 323, 328, 335, - 340, 347, 352, 361, 366, 373, 378, 385, 390, 397, 402, 409, - 267, 272, 279, 284, 293, 298, 305, 310, 317, 322, 329, 334, - 341, 346, 353, 360, 367, 372, 379, 384, 391, 396, 403, 408 }, - - { 452, 459, 464, 471, 476, 483, 488, 495, 500, 509, 514, 521, - 526, 533, 538, 545, 550, 557, 562, 569, 576, 583, 588, 595, - 453, 458, 465, 470, 477, 482, 489, 494, 501, 508, 515, 520, - 527, 532, 539, 544, 551, 556, 563, 568, 577, 582, 589, 594, - 454, 461, 466, 473, 478, 485, 490, 497, 504, 511, 516, 523, - 528, 535, 540, 547, 552, 559, 564, 571, 578, 585, 590, 597, - 455, 460, 467, 472, 479, 484, 491, 496, 505, 510, 517, 522, - 529, 534, 541, 546, 553, 558, 565, 570, 579, 584, 591, 596, - 456, 463, 468, 475, 480, 487, 492, 499, 506, 513, 518, 525, - 530, 537, 542, 549, 554, 561, 566, 573, 580, 587, 592, 599, - 457, 462, 469, 474, 481, 486, 493, 498, 507, 512, 519, 524, - 531, 536, 543, 548, 555, 560, 567, 572, 581, 586, 593, 598 }, - - { 640, 649, 654, 661, 666, 673, 678, 685, 690, 697, 702, 709, - 714, 723, 728, 735, 740, 747, 752, 759, 764, 771, 776, 783, - 641, 648, 655, 660, 667, 672, 679, 684, 691, 696, 703, 708, - 715, 722, 729, 734, 741, 746, 753, 758, 765, 770, 777, 782, - 642, 651, 656, 663, 668, 675, 680, 687, 692, 699, 704, 711, - 716, 725, 730, 737, 742, 749, 754, 761, 766, 773, 778, 785, - 643, 650, 657, 662, 669, 674, 681, 686, 693, 698, 705, 710, - 717, 724, 731, 736, 743, 748, 755, 760, 767, 772, 779, 784, - 644, 653, 658, 665, 670, 677, 682, 689, 694, 701, 706, 713, - 720, 727, 732, 739, 744, 751, 756, 763, 768, 775, 780, 787, - 645, 652, 659, 664, 671, 676, 683, 688, 695, 700, 707, 712, - 721, 726, 733, 738, 745, 750, 757, 762, 769, 774, 781, 786 }, - - { 830, 837, 842, 849, 854, 861, 868, 875, 880, 887, 892, 899, - 904, 911, 916, 923, 928, 937, 942, 949, 954, 961, 966, 973, - 831, 836, 843, 848, 855, 860, 869, 874, 881, 886, 893, 898, - 905, 910, 917, 922, 929, 936, 943, 948, 955, 960, 967, 972, - 832, 839, 844, 851, 856, 865, 870, 877, 882, 889, 894, 901, - 906, 913, 918, 925, 930, 939, 944, 951, 956, 963, 968, 975, - 833, 838, 845, 850, 857, 864, 871, 876, 883, 888, 895, 900, - 907, 912, 919, 924, 931, 938, 945, 950, 957, 962, 969, 974, - 834, 841, 846, 853, 858, 867, 872, 879, 884, 891, 896, 903, - 908, 915, 920, 927, 932, 941, 946, 953, 958, 965, 970, 977, - 835, 840, 847, 852, 859, 866, 873, 878, 885, 890, 897, 902, - 909, 914, 921, 926, 933, 940, 947, 952, 959, 964, 971, 976 }, - - { 1020, 1027, 1032, 1039, 1044, 1051, 1056, 1063, 1068, 1075, 1082, 1089, - 1094, 1101, 1106, 1113, 1118, 1125, 1130, 1137, 1142, 1149, 1156, 1163, - 1021, 1026, 1033, 1038, 1045, 1050, 1057, 1062, 1069, 1074, 1083, 1088, - 1095, 1100, 1107, 1112, 1119, 1124, 1131, 1136, 1143, 1148, 1157, 1162, - 1022, 1029, 1034, 1041, 1046, 1053, 1058, 1065, 1070, 1077, 1084, 1091, - 1096, 1103, 1108, 1115, 1120, 1127, 1132, 1139, 1144, 1153, 1158, 1165, - 1023, 1028, 1035, 1040, 1047, 1052, 1059, 1064, 1071, 1076, 1085, 1090, - 1097, 1102, 1109, 1114, 1121, 1126, 1133, 1138, 1145, 1152, 1159, 1164, - 1024, 1031, 1036, 1043, 1048, 1055, 1060, 1067, 1072, 1081, 1086, 1093, - 1098, 1105, 1110, 1117, 1122, 1129, 1134, 1141, 1146, 1155, 1160, 1167, - 1025, 1030, 1037, 1042, 1049, 1054, 1061, 1066, 1073, 1080, 1087, 1092, - 1099, 1104, 1111, 1116, 1123, 1128, 1135, 1140, 1147, 1154, 1161, 1166 }, - - { 1208, 1215, 1220, 1229, 1234, 1241, 1246, 1253, 1258, 1265, 1270, 1277, - 1282, 1289, 1296, 1303, 1308, 1315, 1320, 1327, 1332, 1339, 1344, 1351, - 1209, 1214, 1221, 1228, 1235, 1240, 1247, 1252, 1259, 1264, 1271, 1276, - 1283, 1288, 1297, 1302, 1309, 1314, 1321, 1326, 1333, 1338, 1345, 1350, - 1210, 1217, 1224, 1231, 1236, 1243, 1248, 1255, 1260, 1267, 1272, 1279, - 1284, 1291, 1298, 1305, 1310, 1317, 1322, 1329, 1334, 1341, 1346, 1353, - 1211, 1216, 1225, 1230, 1237, 1242, 1249, 1254, 1261, 1266, 1273, 1278, - 1285, 1290, 1299, 1304, 1311, 1316, 1323, 1328, 1335, 1340, 1347, 1352, - 1212, 1219, 1226, 1233, 1238, 1245, 1250, 1257, 1262, 1269, 1274, 1281, - 1286, 1293, 1300, 1307, 1312, 1319, 1324, 1331, 1336, 1343, 1348, 1355, - 1213, 1218, 1227, 1232, 1239, 1244, 1251, 1256, 1263, 1268, 1275, 1280, - 1287, 1292, 1301, 1306, 1313, 1318, 1325, 1330, 1337, 1342, 1349, 1354 }, - - { 1398, 1405, 1410, 1417, 1422, 1429, 1434, 1443, 1448, 1455, 1460, 1467, - 1472, 1479, 1484, 1491, 1496, 1503, 1508, 1517, 1522, 1529, 1534, 1541, - 1399, 1404, 1411, 1416, 1423, 1428, 1435, 1442, 1449, 1454, 1461, 1466, - 1473, 1478, 1485, 1490, 1497, 1502, 1509, 1516, 1523, 1528, 1535, 1540, - 1400, 1407, 1412, 1419, 1424, 1431, 1436, 1445, 1450, 1457, 1462, 1469, - 1474, 1481, 1486, 1493, 1498, 1505, 1512, 1519, 1524, 1531, 1536, 1543, - 1401, 1406, 1413, 1418, 1425, 1430, 1437, 1444, 1451, 1456, 1463, 1468, - 1475, 1480, 1487, 1492, 1499, 1504, 1513, 1518, 1525, 1530, 1537, 1542, - 1402, 1409, 1414, 1421, 1426, 1433, 1440, 1447, 1452, 1459, 1464, 1471, - 1476, 1483, 1488, 1495, 1500, 1507, 1514, 1521, 1526, 1533, 1538, 1545, - 1403, 1408, 1415, 1420, 1427, 1432, 1441, 1446, 1453, 1458, 1465, 1470, - 1477, 1482, 1489, 1494, 1501, 1506, 1515, 1520, 1527, 1532, 1539, 1544 }, - - { 1578, 1587, 1592, 1599, 1604, 1611, 1616, 1623, 1628, 1635, 1640, 1647, - 1652, 1661, 1666, 1673, 1678, 1685, 1690, 1697, 1702, 1709, 1714, 1721, - 1579, 1586, 1593, 1598, 1605, 1610, 1617, 1622, 1629, 1634, 1641, 1646, - 1653, 1660, 1667, 1672, 1679, 1684, 1691, 1696, 1703, 1708, 1715, 1720, - 1580, 1589, 1594, 1601, 1606, 1613, 1618, 1625, 1630, 1637, 1642, 1649, - 1656, 1663, 1668, 1675, 1680, 1687, 1692, 1699, 1704, 1711, 1716, 1723, - 1581, 1588, 1595, 1600, 1607, 1612, 1619, 1624, 1631, 1636, 1643, 1648, - 1657, 1662, 1669, 1674, 1681, 1686, 1693, 1698, 1705, 1710, 1717, 1722, - 1584, 1591, 1596, 1603, 1608, 1615, 1620, 1627, 1632, 1639, 1644, 1651, - 1658, 1665, 1670, 1677, 1682, 1689, 1694, 1701, 1706, 1713, 1718, 1725, - 1585, 1590, 1597, 1602, 1609, 1614, 1621, 1626, 1633, 1638, 1645, 1650, - 1659, 1664, 1671, 1676, 1683, 1688, 1695, 1700, 1707, 1712, 1719, 1724 }, - - }; - -#if DEBUG -/* - * Convert bit vector to hex dump format and print - */ -static inline void -dump_cw(const voice_codeword& cw, int len, FILE* fp) // len in bytes -{ - int i, j; - for (i = 0; i < len; i++){ - int p = 0; - for (j = 0; j < 8; j++){ - p = (p << 1) + cw[ i*8 + j ]; - } - fprintf(fp, "%02x ", p); - if (!((i+1) % 16)) - fprintf(fp, "\n"); - } - fprintf(fp, "\n"); -} -#endif - -static inline void -imbe_store_bits(voice_codeword& cw, int s, int l, uint32_t v) -{ - for (int i = l-1; i >= s; i--) { - cw[i] = v & 1; - v >>= 1; - } -} - -static inline uint32_t -pngen15(uint32_t& Pr) -{ - int n = 0; - for(int i = 14; i >= 0; --i) { - Pr = (173 * Pr + 13849) & 0xffffu; - if(Pr & 32768) { - n += (1 << i); - } - } - return n; -} - -static inline uint32_t -pngen23(uint32_t& Pr) -{ - int n = 0; - for(int i = 22; i >= 0; --i) { - Pr = (173 * Pr + 13849) & 0xffffu; - if(Pr & 32768) { - n += (1 << i); - } - } - return n; -} - -/* APCO IMBE header decoder. - * - * extracts 88 bits of IMBE parameters given an input 144-bit frame - * - * \param cw Codeword containing bits to be decoded - * \param u0-u7 Result output vectors - */ - -static inline void -imbe_header_decode(const voice_codeword& cw, uint32_t& u0, uint32_t& u1, uint32_t& u2, uint32_t& u3, uint32_t& u4, uint32_t& u5, uint32_t& u6, uint32_t& u7, uint32_t& E0, uint32_t& ET) -{ - ET = 0; - - size_t errs = 0; - uint32_t v0 = extract(cw, 0, 23); - errs = golay_23_decode(v0); - u0 = v0; - E0 = ET; - - uint32_t pn = u0 << 4; - uint32_t m1 = pngen23(pn); - uint32_t v1 = extract(cw, 23, 46) ^ m1; - errs += golay_23_decode(v1); - u1 = v1; - - uint32_t m2 = pngen23(pn); - uint32_t v2 = extract(cw, 46, 69) ^ m2; - errs += golay_23_decode(v2); - u2 = v2; - - uint32_t m3 = pngen23(pn); - uint32_t v3 = extract(cw, 69, 92) ^ m3; - errs += golay_23_decode(v3); - u3 = v3; - - uint32_t m4 = pngen15(pn); - uint16_t v4 = extract(cw, 92, 107) ^ m4; - errs += hamming_15_decode(v4); - u4 = v4; - - uint32_t m5 = pngen15(pn); - uint16_t v5 = extract(cw, 107, 122) ^ m5; - errs += hamming_15_decode(v5); - u5 = v5; - - uint32_t m6 = pngen15(pn); - uint16_t v6 = extract(cw, 122, 137) ^ m6; - errs += hamming_15_decode(v6); - u6 = v6; - - u7 = extract(cw, 137, 144); - u7 <<= 1; /* so that bit0 is free (see note about BOT bit */ -} - -/* APCO IMBE header encoder. - * - * given 88 bits of IMBE parameters, construct output 144-bit IMBE codeword - * - * \param cw Codeword into which 144 bits of results are placed - * \param u0-u7 input parameters - */ - -static inline void -imbe_header_encode(voice_codeword& cw, uint32_t u0, uint32_t u1, uint32_t u2, uint32_t u3, uint32_t u4, uint32_t u5, uint32_t u6, uint32_t u7) -{ - // given input 88-bit IMBE frame (in u0-u7), - // add golay / hamming bits to produce a 144-bit frame. - uint32_t c0, c1, c2, c3, c4, c5, c6, c7; - - uint32_t pn = u0 << 4; - - c0 = golay_23_encode(u0); - imbe_store_bits(cw, 0, 23, c0); - - uint32_t m1 = pngen23(pn); - c1 = golay_23_encode(u1) ^ m1; - imbe_store_bits(cw, 23, 46, c1); - - uint32_t m2 = pngen23(pn); - c2 = golay_23_encode(u2) ^ m2; - imbe_store_bits(cw, 46, 69, c2); - - uint32_t m3 = pngen23(pn); - c3 = golay_23_encode(u3) ^ m3; - imbe_store_bits(cw, 69, 92, c3); - - uint32_t m4 = pngen15(pn); - c4 = hamming_15_encode(u4) ^ m4; - imbe_store_bits(cw, 92, 107, c4); - - uint32_t m5 = pngen15(pn); - c5 = hamming_15_encode(u5) ^ m5; - imbe_store_bits(cw, 107, 122, c5); - - uint32_t m6 = pngen15(pn); - c6 = hamming_15_encode(u6) ^ m6; - imbe_store_bits(cw, 122, 137, c6); - - c7 = u7; - imbe_store_bits(cw, 137, 144, c7 >> 1); -} - -static inline void -imbe_deinterleave (const_bit_vector& frame_body, voice_codeword& cw, uint32_t frame_nr) -{ - for(size_t j = 0; j < voice_codeword_sz; ++j) { - cw[j] = frame_body[voice_codeword_bits[frame_nr][j]]; - } -} - - -static inline void -imbe_interleave(bit_vector& frame_body, const voice_codeword& cw, uint32_t frame_nr) -{ - for(size_t j = 0; j < voice_codeword_sz; ++j) { - frame_body[voice_codeword_bits[frame_nr][j]] = cw[j]; - } -} - -static inline void -imbe_frame_unpack(uint8_t *A, uint32_t& u0, uint32_t& u1, uint32_t& u2, uint32_t& u3, uint32_t& u4, uint32_t& u5, uint32_t& u6, uint32_t& u7, uint32_t& E0, uint32_t& ET) -{ - E0 = A[0]; - ET = A[1]; - u0 = A[4] + (E0 & 240) * 16; - u1 = A[5] + (E0 & 15) * 256; - u2 = A[6] + (ET & 240) * 16; - u3 = A[7] + (ET & 15) * 256; - E0 = A[2]; - ET = A[3]; - u4 = A[8] + (E0 & 224) * 8; - u5 = A[9] + (E0 & 28) * 64; - u6 = A[10] + (ET & 128) * 2 + (E0 & 3) * 512; - u7 = ET & 127; - E0 = A[11]; - if(E0 & 192) exit(4); - ET = E0 & 3; - E0 = (E0 & 84) / 4; -} - -/* - * Given a 144-bit IMBE frame(cw), - * 1. Decode frame to error-corrected 88-bit format - * 2. Re-encode frame into 144-bit format with refreshed Hamming/Golay encoding - * 3. FIXME: track decoding error rates and stats - */ -static inline void -imbe_regenerate_frame(bit_vector& cw) { - unsigned int u0 = 0; - unsigned int u1,u2,u3,u4,u5,u6,u7; - unsigned int E0 = 0; - unsigned int ET = 0; - - // PN/Hamming/Golay - etc. - imbe_header_decode(cw, u0, u1, u2, u3, u4, u5, u6, u7, E0, ET) ; -#if DEBUG - printf("u_0: %x\r\nu_1: %x\r\nu_2: %x\r\nu_3: %x\r\nu_4: %x\r\nu_5: %x\r\nu_6: %x\r\nu_7: %x\r\n\r\n", u0, u1, u2, u3, u4, u5, u6, u7>>1); -#endif - imbe_header_encode(cw, u0, u1, u2, u3, u4, u5, u6, u7); -} - -/* - * process voice units (ldu1 or ldu2) - * perform error correction for each of the nine embedded 144-bit frames - * by regenerating the error-correction coding bits - */ -static inline void -imbe_regenerate_voice_unit(bit_vector& frame_body) { - voice_codeword cw(voice_codeword_sz); -#if DEBUG - dump_cw(frame_body, 216, stderr); -#endif - for(size_t i = 0; i < nof_voice_codewords; ++i) { - imbe_deinterleave(frame_body, cw, i); - imbe_regenerate_frame(cw); - imbe_interleave(frame_body, cw, i); - } -#if DEBUG - dump_cw(frame_body, 216, stderr); -#endif -} - -#endif /* INCLUDED_IMBE_FRAME_H */ diff --git a/decoder/src/lib/op25_p25_frame.h b/decoder/src/lib/op25_p25_frame.h deleted file mode 100644 index f60b2c8..0000000 --- a/decoder/src/lib/op25_p25_frame.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef INCLUDED_OP25_P25_FRAME_H -#define INCLUDED_OP25_P25_FRAME_H 1 - -static const size_t P25_VOICE_FRAME_SIZE = 1728; -static const size_t P25_HEADER_SYMBOLS = 24 + 32 + 1; -static const size_t P25_HEADER_BITS = P25_HEADER_SYMBOLS * 2; - -static const uint64_t P25_FRAME_SYNC_MAGIC = 0x5575F5FF77FFLL; -static const uint64_t P25_FRAME_SYNC_REV_P = 0x5575F5FF77FFLL ^ 0xAAAAAAAAAAAALL; -static const uint64_t P25_FRAME_SYNC_MASK = 0xFFFFFFFFFFFFLL; - -/* Given a 64-bit frame header word and a frame body which is to be initialized - * 1. Place flags at beginning of frame body - * 2. Store 64-bit frame header word - * 3. FIXME Place first status symbol - */ -static inline void -p25_setup_frame_header(bit_vector& frame_body, uint64_t hw) { - uint64_t acc = P25_FRAME_SYNC_MAGIC; - for (int i=47; i>=0; i--) { - frame_body[ i ] = acc & 1; - acc >>= 1; - } - acc = hw; - for (int i=113; i>=72; i--) { - frame_body[ i ] = acc & 1; - acc >>= 1; - } - // FIXME: insert proper status dibit bits at 70, 71 - frame_body[70] = 1; - frame_body[71] = 0; - for (int i=69; i>=48; i--) { - frame_body[ i ] = acc & 1; - acc >>= 1; - } -} - -#endif /* INCLUDED_OP25_P25_FRAME_H */ diff --git a/decoder/src/lib/op25_pcap_source_b.cc b/decoder/src/lib/op25_pcap_source_b.cc deleted file mode 100644 index e683a86..0000000 --- a/decoder/src/lib/op25_pcap_source_b.cc +++ /dev/null @@ -1,112 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2010,2011 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. - */ - -#define __STDC_CONSTANT_MACROS - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <algorithm> -#include <gr_io_signature.h> -#include <iostream> -#include <iomanip> -#include <math.h> -#include <op25_pcap_source_b.h> -#include <stdint.h> -#include <stdlib.h> -#include <stdexcept> -#include <strings.h> - -#define PCAP_DONT_INCLUDE_PCAP_BPF_H -#include <pcap/pcap.h> - -using namespace std; - -op25_pcap_source_b_sptr -op25_make_pcap_source_b(const char *path, float delay) -{ - return op25_pcap_source_b_sptr(new op25_pcap_source_b(path, delay)); -} - -op25_pcap_source_b::~op25_pcap_source_b() -{ -} - -int -op25_pcap_source_b::work(int nof_output_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items) -{ - try { - uint8_t *out = reinterpret_cast<uint8_t*>(output_items[0]); - const size_t OCTETS_AVAIL = octets_.size(); - const size_t OCTETS_REQD = static_cast<size_t>(nof_output_items); - for(size_t i = 0; i < OCTETS_REQD; ++i) { - out[i] = octets_[loc_++]; - loc_ %= OCTETS_AVAIL; - } - return OCTETS_REQD; - } catch(const std::exception& x) { - cerr << x.what() << endl; - exit(EXIT_FAILURE); - } catch(...) { - cerr << "unhandled exception" << endl; - exit(EXIT_FAILURE); - } - -} - -op25_pcap_source_b::op25_pcap_source_b(const char *path, float delay) : - gr_sync_block ("pcap_source_b", - gr_make_io_signature (0, 0, 0), - gr_make_io_signature (1, 1, sizeof(uint8_t))), - loc_(0), - octets_(delay * 1200, 0) -{ - char err[PCAP_ERRBUF_SIZE]; - pcap_t *pcap = pcap_open_offline(path, err); - if(pcap) { - struct pcap_pkthdr hdr; - for(const uint8_t *octets; octets = pcap_next(pcap, &hdr);) { - const size_t ETHERNET_SZ = 14; - const size_t IP_SZ = 20; - const size_t UDP_SZ = 8; - const size_t P25CAI_OFS = ETHERNET_SZ + IP_SZ + UDP_SZ; - if(P25CAI_OFS < hdr.caplen) { - const size_t FRAME_SZ = hdr.caplen - P25CAI_OFS; - // push some zero octets to separate frames - const size_t SILENCE_OCTETS = 48; - octets_.resize(octets_.size() + SILENCE_OCTETS, 0); - // push octets from frame payload into local buffer - octets_.reserve(octets_.capacity() + hdr.caplen - P25CAI_OFS); - for(size_t i = 0; i < FRAME_SZ; ++i) { - octets_.push_back(octets[P25CAI_OFS + i]); - } - } - } - pcap_close(pcap); - } else { - cerr << "error: failed to open " << path; - cerr << " (" << err << ")" << endl; - exit(EXIT_FAILURE); - } -} diff --git a/decoder/src/lib/op25_pcap_source_b.h b/decoder/src/lib/op25_pcap_source_b.h deleted file mode 100644 index 0ab6618..0000000 --- a/decoder/src/lib/op25_pcap_source_b.h +++ /dev/null @@ -1,89 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2010-2011 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. - */ - -#ifndef INCLUDED_OP25_PCAP_SOURCE_B_H -#define INCLUDED_OP25_PCAP_SOURCE_B_H - -#include <boost/shared_ptr.hpp> -#include <gr_sync_block.h> -#include <stdint.h> -#include <string> -#include <vector> - -typedef boost::shared_ptr<class op25_pcap_source_b> op25_pcap_source_b_sptr; - -op25_pcap_source_b_sptr op25_make_pcap_source_b(const char *path, float delay); - -/** - * op25_pcap_source_b is a GNU Radio block for reading from a - * tcpdump-formatted capture file and producing a stream of octets. - */ -class op25_pcap_source_b : public gr_sync_block -{ -public: - - /** - * op25_pcap_source_b (virtual) destructor. - */ - virtual ~op25_pcap_source_b(); - - /** - * Process symbols into frames. - */ - virtual int work(int nof_output_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items); - -private: - - /** - * Expose class to public ctor. Create a new instance of - * op25_pcap_source_b and wrap it in a shared_ptr. This is - * effectively the public constructor. - * - * \param path The path to the tcpdump-formatted input file. - * \param delay The number of seconds to delay before sending the first frame. - */ - friend op25_pcap_source_b_sptr op25_make_pcap_source_b(const char *path, float delay); - - /** - * op25_pcap_source_b protected constructor. - * - * \param path The path to the tcpdump-formatted input file. - * \param delay The number of seconds to delay before sending the first frame. - */ - op25_pcap_source_b(const char *path, float delay); - -private: - - /** - * The next octet to be read from the input file. - */ - size_t loc_; - - /** - * Symbols from the input file. - */ - std::vector<uint8_t> octets_; - -}; - -#endif /* INCLUDED_OP25_PCAP_SOURCE_B_H */ diff --git a/decoder/src/lib/op25_yank.h b/decoder/src/lib/op25_yank.h deleted file mode 100644 index 621c316..0000000 --- a/decoder/src/lib/op25_yank.h +++ /dev/null @@ -1,114 +0,0 @@ -#ifndef INCLUDED_SWAB_H -#define INCLUDED_SWAB_H - -/** - * Yank in[bits[0]..bits[bits_sz]) to out[where,where+bits_sz). - * - * \param in A const reference to the source. - * \param bits An array specifying the ordinals of the bits to copy. - * \param bits_sz The size of the bits array. - * \param out A reference to the destination. - * \param where The offset of the first bit to write. - */ -template <class X, class Y> -void yank(const X& in, const size_t bits[], size_t bits_sz, Y& out, size_t where) -{ - for(size_t i = 0; i < bits_sz; ++i) { - out[where+i] = in[bits[i]]; - } -} - -/** - * Yank back from in[where,where+bits_sz) to out[bits[0]..bits[bits_sz]). - * - * \param in A const reference to the source. - * \param where The offset of the first bit to read. - * \param out A reference to the destination. - * \param bits An array specifying the ordinals of the bits to copy. - * \param bits_sz The size of the bits array. - */ -template <class X, class Y> -void yank_back(const X& in, size_t where, Y& out, const size_t bits[], size_t bits_sz) -{ - for(size_t i = 0; i < bits_sz; ++i) { - out[bits[i]] = in[where+i]; - } -} - -/** - * Extract a bit_vector in[begin,end) to an octet buffer. - * - * \param in A const reference to the source. - * \param begin The offset of the first bit to extract (the MSB). - * \param end The offset of the end bit. - * \param out Address of the octet buffer to write into. - * \return The number of octers written. - */ -template<class X> -size_t extract(const X& in, int begin, int end, uint8_t *out) -{ - const size_t out_sz = (7 + end - begin) / 8; - std::fill(out, out + out_sz, 0); - for(int i = begin, j = 0; i < end; ++i, ++j) { - out[j / 8] |= (in[i] ? 1 << (7 - (j % 8)) : 0); - } - return out_sz; -} - -/** - * Extract a bit_vector in[bits[0)..bits[bits_sz)) to an octet buffer. - * - * \param in A const reference to the source. - * \param bits An array specifying the ordinals of the bits to extract. - * \param bits_sz The size of the bits array. - * \param out Address of the octet buffer to write into. - * \return The number of octers written. - */ -template<class X> -size_t extract(const X& in, const size_t bits[], size_t bits_sz, uint8_t *out) -{ - const size_t out_sz = (7 + bits_sz) / 8; - std::fill(out, out + out_sz, 0); - for(size_t i = 0; i < bits_sz; ++i) { - out[i / 8] ^= in[bits[i]] << (7 - (i % 8)); - } - return out_sz; -} - -/** - * Extract value of bits from in[bits[0..bits_sz)). - * - * \param in The input const_bit_vector. - * \param begin The offset of the first bit to extract (the MSB). - * \param end The offset of the end bit. - * \return A uint64_t containing the value - */ -template<class X> -uint64_t extract(const X& in, int begin, int end) -{ - uint64_t x = 0LL; - for(int i = begin; i < end; ++i) { - x = (x << 1) | (in[i] ? 1 : 0); - } - return x; -} - -/** - * Extract value of bits from in[bits[0..bits_sz)). - * - * \param in A const reference to the source. - * \param bits An array specifying the ordinals of the bits to extract. - * \param bits_sz The size of the bits array. - * \return A uint64_t containing the value - */ -template<class X> -uint64_t extract(const X& in, const size_t bits[], size_t bits_sz) -{ - uint64_t x = 0LL; - for(size_t i = 0; i < bits_sz; ++i) { - x = (x << 1) | (in[bits[i]] ? 1 : 0); - } - return x; -} - -#endif // INCLUDED_SWAB_H diff --git a/decoder/src/lib/p25cai_du_handler.cc b/decoder/src/lib/p25cai_du_handler.cc deleted file mode 100644 index 7628042..0000000 --- a/decoder/src/lib/p25cai_du_handler.cc +++ /dev/null @@ -1,87 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2011 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 <arpa/inet.h> -#include <cstdio> -#include <cstring> -#include <errno.h> -#include <iomanip> -#include <netinet/in.h> -#include <p25cai_du_handler.h> -#include <sstream> -#include <sys/socket.h> -#include <sys/socket.h> - -using namespace std; - -p25cai_du_handler::p25cai_du_handler(data_unit_handler_sptr next, const char *addr, int port) : - data_unit_handler(next), - d_cai(-1), - d_address("Unavailable") -{ - struct sockaddr_in sin; - sin.sin_family = AF_INET; - sin.sin_port = htons(port); - inet_aton(addr, &sin.sin_addr); - d_cai = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); - if(-1 != d_cai) { - if(-1 != connect(d_cai, (struct sockaddr*) &sin, sizeof(sin))) { - ostringstream address; - address << addr << ":" << port; - d_address = address.str(); - } else { - printf("error %d: %s\n", errno, strerror(errno)); - perror("connect(d_tap, (struct sockaddr*) &sin, sizeof(sin))"); - close(d_cai); - d_cai = -1; - } - } else { - perror("socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)"); - d_cai = -1; - } -} - -p25cai_du_handler::~p25cai_du_handler() -{ - if(-1 != d_cai) { - close(d_cai); - } -} - -const char* -p25cai_du_handler::destination() const -{ - return d_address.c_str(); -} - -void -p25cai_du_handler::handle(data_unit_sptr du) -{ - if(-1 != d_cai) { - const size_t CAI_SZ = du->size(); - uint8_t cai[CAI_SZ]; - du->decode_frame(CAI_SZ, cai); - write(d_cai, cai, CAI_SZ); - } - data_unit_handler::handle(du); -} diff --git a/decoder/src/lib/p25cai_du_handler.h b/decoder/src/lib/p25cai_du_handler.h deleted file mode 100644 index 4a601bb..0000000 --- a/decoder/src/lib/p25cai_du_handler.h +++ /dev/null @@ -1,84 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2011 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. -*/ - -#ifndef INCLUDED_P25CAI_DU_HANDLER_H -#define INCLUDED_P25CAI_DU_HANDLER_H - -#include <data_unit_handler.h> -#include <string> - -/** - * This data_unit_handler forwards received frames using p25cai - a - * straighforward encapsulation of the P25 CAI in a UDP datagram. This - * format is understood by Wireshark and replaces the use of TUN/TAP - * which require root privileges and are not present by default on - * some platforms. - */ -class p25cai_du_handler : public data_unit_handler -{ - -public: - - /** - * p25cai_du_handler constructor. - * - * \param next The next data_unit_handler. - * \param addr The address of the receiver. - * \param port The port number of the receiver. - */ - p25cai_du_handler(data_unit_handler_sptr next, const char *addr, int port); - - /** - * p25cai_du_handler virtual destructor. - */ - virtual ~p25cai_du_handler(); - - /** - * Handle a received P25 frame. - * - * \param du A non-null data_unit_sptr to handle. - */ - virtual void handle(data_unit_sptr du); - - /** - * Return a pointer to a string identifying the destination address. - * - * \return A pointer to a NUL-terminated character string. - */ - const char *destination() const; - -private: - - /** - * file descriptor for the UDP socket. - */ - int32_t d_cai; - - /** - * A string identifying the address of the receiver. - */ - std::string d_address; - -}; - -#endif /* INCLUDED_P25CAI_DU_HANDLER_H */ diff --git a/decoder/src/lib/pdu.cc b/decoder/src/lib/pdu.cc deleted file mode 100644 index 5b479af..0000000 --- a/decoder/src/lib/pdu.cc +++ /dev/null @@ -1,67 +0,0 @@ -/* -*- 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 <pdu.h> - -using std::string; - -pdu::pdu(const_bit_queue& frame_body) : - abstract_data_unit(frame_body) -{ -} -pdu::~pdu() -{ -} - -string -pdu::duid_str() const -{ - return string("PDU"); -} - -void -pdu::do_correct_errors(bit_vector& frame_body) -{ -} - -uint16_t -pdu::frame_size_max() const -{ -#if 1 - const size_t HEADER_BLOCK_SIZE = 720; - return HEADER_BLOCK_SIZE; -#else - const size_t MIN_HEADER_BLOCK_SZ = 312; - // after HEADER_BLOCK_SIZE bits have been read we can then use the - // header contents to decide on frame_size_max - - size_t n = MIN_HEADER_BLOCK_SZ; - if(n < ) { - static const size_t BITS[] = {}; - static const size_t BITS_SZ = sizeof(BITS) / sizeof(BITS[0]); - n = extract(); - } - return n; - -#endif -} diff --git a/decoder/src/lib/pdu.h b/decoder/src/lib/pdu.h deleted file mode 100644 index 87ad58e..0000000 --- a/decoder/src/lib/pdu.h +++ /dev/null @@ -1,74 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_PDU_H -#define INCLUDED_PDU_H - -#include <abstract_data_unit.h> - -/** - * P25 packet data unit (PDU). - */ -class pdu : public abstract_data_unit -{ -public: - - /** - * P25 packet data unit (PDU) constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - */ - pdu(const_bit_queue& frame_body); - - /** - * pdu (virtual) destructor. - */ - virtual ~pdu(); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string duid_str() const; - -protected: - - /** - * Applies error correction code to the specified bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void do_correct_errors(bit_vector& frame_body); - - /** - * Returns the expected size (in bits) of this data unit in - * bits. For variable-length data this should return UINT16_MAX - * until the actual length of this frame is known. - * - * \return The expected size (in bits) of this data_unit when encoded. - */ - virtual uint16_t frame_size_max() const; - -}; - -#endif /* INCLUDED_PDU_H */ diff --git a/decoder/src/lib/pickle.cc b/decoder/src/lib/pickle.cc deleted file mode 100644 index e50aafe..0000000 --- a/decoder/src/lib/pickle.cc +++ /dev/null @@ -1,59 +0,0 @@ -/* -*- 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 <pickle.h> - -#include <iomanip> -#include <sstream> - -using namespace std; - -pickle::pickle() -{ -} - -pickle::~pickle() -{ -} - -void -pickle::add(string key, string value) -{ - map_[key] = value; -} - -string -pickle::to_string() const -{ - size_t n = 1; - ostringstream os; - os << "(dp" << n++ << endl; - for(stringmap::const_iterator i(map_.begin()); i != map_.end(); ++i) { - os << "S'" << i->first << "'" << endl; - os << "p" << n++ << endl; - os << "S'" << i->second << "'" << endl; - os << "p" << n++ << endl << "s"; - } - os << "." << endl; - return os.str(); -} diff --git a/decoder/src/lib/pickle.h b/decoder/src/lib/pickle.h deleted file mode 100644 index 048a635..0000000 --- a/decoder/src/lib/pickle.h +++ /dev/null @@ -1,69 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_PICKLE_H -#define INCLUDED_PICKLE_H - -#include <abstract_data_unit.h> - -#include <map> - -/** - * A pickled Python dictionary. Used to pass stuff to the UI. - */ -class pickle -{ - -public: - - /** - * pickle constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - */ - pickle(); - - /** - * pickle virtual destructor. - */ - ~pickle(); - - /** - * Add a key/value pair to the pickled dictionary - */ - void add(std::string key, std::string value); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string to_string() const; - -private: - - typedef std::map<std::string, std::string> stringmap; - - stringmap map_; - -}; - -#endif /* INCLUDED_PICKLE_H */ diff --git a/decoder/src/lib/snapshot_du_handler.cc b/decoder/src/lib/snapshot_du_handler.cc deleted file mode 100644 index 222f5ed..0000000 --- a/decoder/src/lib/snapshot_du_handler.cc +++ /dev/null @@ -1,66 +0,0 @@ -/* -*- 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 <cstring> -#include <snapshot_du_handler.h> -#include <string> - -using std::string; - -snapshot_du_handler::snapshot_du_handler(data_unit_handler_sptr next) : - data_unit_handler(next), - d_data_units(0) -{ -} - -snapshot_du_handler::~snapshot_du_handler() -{ -} - -void -snapshot_du_handler::handle(data_unit_sptr du) -{ - if(d_msgq) { - string snapshot(du->snapshot()); - if(snapshot.size() > 0) { - const size_t snapshot_sz = snapshot.size() + 1; - gr_message_sptr msg = gr_make_message(/*type*/0, /*arg1*/++d_data_units, /*arg2*/0, snapshot_sz); - char *snapshot_data = reinterpret_cast<char*>(msg->msg()); - memcpy(snapshot_data, snapshot.c_str(), snapshot_sz); - d_msgq->handle(msg); - } - } - data_unit_handler::handle(du); -} - -gr_msg_queue_sptr -snapshot_du_handler::get_msgq() const -{ - return d_msgq; -} - -void -snapshot_du_handler::set_msgq(gr_msg_queue_sptr msgq) -{ - d_msgq = msgq; -} diff --git a/decoder/src/lib/snapshot_du_handler.h b/decoder/src/lib/snapshot_du_handler.h deleted file mode 100644 index 3f92120..0000000 --- a/decoder/src/lib/snapshot_du_handler.h +++ /dev/null @@ -1,94 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_SNAPSHOT_DU_HANDLER_H -#define INCLUDED_SNAPSHOT_DU_HANDLER_H - -#include <data_unit_handler.h> -#include <gr_msg_queue.h> -#include <boost/noncopyable.hpp> - -/** - * snapshot_du_handler. Writes traffic snapshots to a msg_queue based - * on the HDU frame contents. The format used is that of a pickled - * python dictionary allowing the other end of the queue to pick only - * those fields of interest and ignore the rest. - */ -class snapshot_du_handler : public data_unit_handler -{ - -public: - - /** - * snapshot_du_handler constructor. - * - * \param next The next data_unit_handler in the chain. - * \param msgq A non-null msg_queue_sptr to the msg_queue to use. - */ - snapshot_du_handler(data_unit_handler_sptr next); - - /** - * snapshot_du_handler virtual destructor. - */ - virtual ~snapshot_du_handler(); - - /** - * Handle a received P25 frame. - * - * \param du A non-null data_unit_sptr to handle. - */ - virtual void handle(data_unit_sptr du); - - /** - * Accessor for the msgq attribute. Returns a pointer to the msgq - * if it exists. - * - * \return A (possibly NULL) gr_msg_queue_sptr pointing to the message queue. - */ - gr_msg_queue_sptr get_msgq() const; - - /** - * Accessor for the msgq attribute. Sets the msgq to point to the - * provided message queue object. - * - * \return A (possibly NULL) gr_msg_queue_sptr pointing to the message queue. - */ - void set_msgq(gr_msg_queue_sptr msgq); - -private: - - /** - * Count of the data units seen so far. - */ - uint32_t d_data_units; - - /** - * The msg_queue to which decoded frames are written. - */ - gr_msg_queue_sptr d_msgq; - -}; - - - -#endif /* INCLUDED_SNAPSHOT_DU_HANDLER_H */ diff --git a/decoder/src/lib/software_imbe_decoder.cc b/decoder/src/lib/software_imbe_decoder.cc deleted file mode 100644 index 1801027..0000000 --- a/decoder/src/lib/software_imbe_decoder.cc +++ /dev/null @@ -1,1433 +0,0 @@ -/* -*- C++ -*- */
-
-/*
- * Copyright 2008-2009 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 <software_imbe_decoder.h>
-#include <op25_yank.h>
-#include <op25_imbe_frame.h>
-
-#include <algorithm>
-#include <cstdio>
-#include <cstdlib>
-#include <op25_golay.h>
-#include <op25_hamming.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <math.h>
-#include <string.h>
-
-static const int BMTn[3600] = {
- 3, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 9, 3, 4,
- 5, 6, 7, 8, 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4,
- 5, 6, 7, 8, 9, 10, 3, 1, 1, 1, 2, 2, 4, 5, 6, 7,
- 8, 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 5, 6, 7,
- 8, 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 8, 3, 4,
- 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7,
- 8, 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 4, 5, 6,
- 7, 8, 1, 1, 1, 1, 2, 2, 9, 10, 11, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 8, 3, 4, 5, 8, 3, 4, 5, 6, 7,
- 8, 9, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 1, 1,
- 1, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 12, 3, 8, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 8,
- 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 3, 4, 5, 1, 1, 1, 1, 2, 2, 6, 7,
- 8, 9, 10, 11, 12, 13, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 3, 4, 5, 8,
- 9, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 3, 4, 5, 6,
- 7, 8, 9, 1, 1, 1, 1, 1, 2, 2, 10, 11, 12, 13, 14, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 3, 8, 9, 3, 4, 5, 6, 7, 8,
- 9, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 14, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 1,
- 1, 1, 1, 2, 2, 13, 14, 15, 3, 4, 5, 6, 7, 8, 9, 10,
- 11, 12, 13, 14, 15, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 3, 9, 3, 4, 5, 6, 8, 9, 3, 4, 5, 6, 7, 8,
- 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 1, 1, 1, 1, 1, 2, 2,
- 16, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 3, 4, 5,
- 8, 9, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 3, 4, 1, 1, 1, 1, 1, 1, 2, 2, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 16, 17, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 3, 4, 3, 4, 5, 6, 7, 8,
- 9, 10, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 3, 4, 5, 6, 1,
- 1, 1, 1, 1, 1, 2, 2, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 3, 3, 4, 5, 6, 7, 8, 10, 11, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 3, 4, 5, 6, 7, 8, 1, 1, 1, 1, 1, 1,
- 2, 2, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 3, 3,
- 4, 5, 8, 10, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 3, 4, 5,
- 6, 7, 8, 9, 10, 1, 1, 1, 1, 1, 1, 1, 2, 2, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 12, 13, 14, 15, 16, 17, 18, 19, 20, 3, 3, 4, 5, 8, 10, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 16, 19, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 1, 1, 1, 1, 1, 1, 1, 2, 2, 12, 13, 14, 15, 16, 17, 19,
- 20, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 3, 4, 5, 10, 3, 4, 5, 6, 7, 8, 9, 10,
- 11, 12, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 17, 20,
- 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 1, 1, 1, 1, 1,
- 1, 1, 2, 2, 14, 15, 16, 17, 18, 20, 21, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 3,
- 4, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 15, 18, 3, 4, 5, 6, 7, 8, 9, 10,
- 11, 12, 13, 14, 15, 16, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
- 17, 18, 19, 21, 22, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 3, 3, 4, 5, 6, 7,
- 8, 10, 11, 13, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 16, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 19, 20, 22, 23, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 3, 3, 4, 5, 6, 7, 8, 11, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 1, 1, 1, 1,
- 1, 1, 1, 1, 2, 2, 21, 23, 24, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 3, 3, 4, 5, 6, 8, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 12, 13, 14, 15, 17, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 20, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2, 2, 23, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 3, 3, 4, 5, 8,
- 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 17, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21,
- 24, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 3, 3, 4, 5, 8, 11, 3, 4, 5, 6,
- 7, 8, 9, 11, 12, 14, 17, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 25, 26, 3, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 2, 2, 4, 5, 6, 7, 8, 9, 10, 11,
- 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
- 28, 3, 4, 5, 8, 11, 3, 4, 5, 6, 7, 8, 9, 11, 12, 14,
- 18, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 22, 23, 26, 3, 4, 5, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 2, 2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 3, 4, 5, 11,
- 3, 4, 5, 6, 7, 8, 9, 11, 12, 15, 19, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 23, 27, 3,
- 4, 5, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 3, 4, 5, 3, 4, 5, 6, 7, 8,
- 9, 12, 13, 16, 20, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 20, 21, 24, 28, 3, 4, 5, 6, 7, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- 30, 31, 3, 4, 3, 4, 5, 6, 7, 8, 9, 12, 13, 16, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21,
- 24, 28, 3, 4, 5, 6, 7, 8, 9, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 2, 2, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 3, 4, 3,
- 4, 5, 6, 7, 8, 9, 12, 13, 16, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 24, 29, 3, 4, 5,
- 6, 7, 8, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
- 2, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31, 32, 3, 3, 4, 5, 6, 7, 8, 9,
- 12, 13, 16, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 20, 21, 25, 30, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
- 32, 33, 34, 3, 3, 4, 5, 6, 7, 8, 12, 16, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 22, 26, 31,
- 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 2, 2, 13, 14, 15, 16, 17, 18, 19, 20,
- 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 3, 3,
- 4, 5, 6, 7, 8, 12, 17, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 12, 13, 14, 15, 16, 17, 18, 22, 23, 27, 32, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 2, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 32, 33, 34, 35, 3, 3, 4, 5, 6, 7, 8,
- 13, 18, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18,
- 19, 23, 24, 28, 33, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
- 33, 34, 35, 36, 3, 3, 4, 5, 6, 8, 13, 18, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 23, 28, 33, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 2, 2, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 3,
- 3, 4, 5, 6, 8, 13, 18, 3, 4, 5, 6, 7, 8, 9, 10, 11,
- 13, 14, 15, 16, 18, 19, 23, 28, 34, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 2, 2, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 3, 3, 4, 5, 6, 8,
- 13, 18, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18,
- 19, 23, 24, 29, 35, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32,
- 33, 35, 36, 37, 38, 3, 3, 4, 5, 6, 8, 13, 18, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 13, 14, 15, 18, 19, 24, 25, 30, 36, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 36, 37, 38, 39,
- 3, 3, 4, 5, 8, 13, 19, 3, 4, 5, 6, 7, 8, 9, 10, 13,
- 14, 15, 16, 19, 20, 25, 26, 31, 37, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 2, 2, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
- 28, 29, 31, 32, 33, 34, 35, 37, 38, 39, 40, 3, 3, 4, 5, 8,
- 14, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 20, 21,
- 26, 27, 32, 38, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33,
- 34, 35, 38, 39, 40, 41, 3, 3, 4, 5, 8, 14, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 14, 15, 16, 17, 20, 21, 26, 32, 38, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 18, 19, 20, 21, 22,
- 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 38, 39, 40, 41,
- 42, 3, 3, 4, 5, 8, 14, 3, 4, 5, 6, 7, 8, 9, 10, 14,
- 15, 16, 17, 20, 21, 26, 32, 39, 3, 4, 5, 6, 7, 8, 9, 10,
- 11, 12, 13, 14, 15, 16, 17, 18, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 2, 2, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
- 29, 30, 32, 33, 34, 35, 36, 39, 40, 41, 42, 43, 3, 3, 4, 5,
- 8, 14, 3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 20, 21, 26,
- 27, 33, 40, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
- 2, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 33, 34, 35,
- 36, 37, 40, 41, 42, 43, 44, 3, 4, 5, 8, 14, 3, 4, 5, 6,
- 7, 8, 9, 10, 14, 15, 16, 20, 21, 27, 28, 34, 41, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 34, 35, 36, 37, 38, 41, 42, 43,
- 44, 45, 3, 4, 5, 8, 14, 3, 4, 5, 6, 7, 8, 9, 10, 14,
- 15, 16, 21, 22, 28, 29, 35, 42, 3, 4, 5, 6, 7, 8, 9, 10,
- 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 2, 2, 20, 21, 22, 23, 24, 25, 26, 27, 28,
- 29, 30, 31, 32, 35, 36, 37, 38, 39, 42, 43, 44, 45, 3, 4, 5,
- 8, 15, 3, 4, 5, 6, 7, 8, 9, 10, 15, 16, 17, 22, 23, 29,
- 30, 36, 43, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2, 2, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 36, 37, 38, 39, 43, 44, 45, 46, 3, 4, 5, 8, 15, 3, 4, 5,
- 6, 7, 8, 9, 10, 15, 16, 17, 22, 23, 29, 30, 36, 43, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 20, 21, 22,
- 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 36, 37, 38, 39, 43, 44,
- 45, 46, 47, 3, 4, 5, 8, 15, 3, 4, 5, 6, 7, 8, 9, 10,
- 15, 16, 17, 22, 23, 29, 30, 36, 44, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 2, 2, 20, 21, 22, 23, 24, 25, 26, 27,
- 29, 30, 31, 32, 33, 36, 37, 38, 39, 40, 44, 45, 46, 47, 3, 4,
- 5, 8, 15, 3, 4, 5, 6, 7, 8, 9, 10, 15, 16, 22, 23, 29,
- 30, 37, 45, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 2, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 37,
- 38, 39, 40, 41, 45, 46, 47, 48, 49, 3, 4, 8, 15, 3, 4, 5,
- 6, 7, 8, 9, 15, 16, 17, 22, 23, 30, 31, 38, 46, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 22, 23,
- 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 38, 39, 40, 41, 42, 46,
- 47, 48, 49, 50, 3, 4, 8, 15, 3, 4, 5, 6, 7, 8, 9, 15,
- 16, 17, 23, 24, 31, 32, 39, 47, 3, 4, 5, 6, 7, 8, 9, 10,
- 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 2, 2, 22, 23, 24, 25, 26, 27, 28,
- 29, 31, 32, 33, 34, 35, 39, 40, 41, 42, 43, 47, 48, 49, 50, 3,
- 4, 8, 16, 3, 4, 5, 6, 7, 8, 9, 10, 16, 17, 18, 24, 25,
- 32, 33, 40, 48, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 16, 17, 18, 19, 20, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 2, 2, 22, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35,
- 36, 40, 41, 42, 43, 44, 48, 49, 50, 51, 3, 4, 8, 16, 3, 4,
- 5, 6, 7, 8, 9, 10, 16, 17, 18, 24, 25, 32, 33, 40, 48, 3,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20,
- 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 22,
- 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 40, 41, 42, 43,
- 48, 49, 50, 51, 52, 3, 4, 8, 16, 3, 4, 5, 6, 7, 8, 9,
- 10, 16, 17, 18, 24, 25, 32, 33, 40, 49, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 22, 24, 25, 26, 27, 28,
- 29, 30, 32, 33, 34, 35, 36, 40, 41, 42, 43, 44, 49, 50, 51, 52
-};
-
-static const int BMTb[3600] = {
- 512, 256, 256, 256, 256, 256, 256, 128, 128, 128, 128, 128, 128, 128, 64, 64,
- 64, 64, 64, 64, 64, 64, 32, 32, 32, 32, 32, 32, 32, 32, 16, 16,
- 16, 16, 16, 16, 16, 16, 8, 4, 2, 1, 4, 2, 8, 8, 8, 8,
- 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2,
- 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 256, 256, 256, 128, 128,
- 128, 128, 128, 128, 64, 64, 64, 64, 64, 64, 64, 32, 32, 32, 32, 32,
- 32, 32, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8,
- 8, 8, 8, 4, 2, 1, 4, 2, 8, 8, 8, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 256, 128, 128, 128, 128, 64, 64, 64, 64, 64,
- 64, 64, 32, 32, 32, 32, 32, 32, 32, 32, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 2,
- 1, 4, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 128, 128, 64, 64, 64, 64, 64, 64, 64, 32, 32, 32, 32, 32, 32,
- 32, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 4, 4, 4, 8, 4, 2, 1, 4, 2, 4, 4,
- 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 64, 64, 64, 64,
- 64, 32, 32, 32, 32, 32, 32, 32, 32, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4,
- 4, 4, 4, 16, 8, 4, 2, 1, 4, 2, 4, 4, 4, 4, 4, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 64, 64, 64, 32, 32, 32, 32, 32, 32,
- 32, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 16, 8,
- 4, 2, 1, 4, 2, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 64, 64, 32, 32, 32, 32, 32, 32, 16, 16, 16, 16, 16, 16,
- 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 16, 8, 4, 2, 1, 4, 2,
- 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 32, 32, 32,
- 32, 32, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 2, 2, 32, 16, 8, 4, 2, 1, 4, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 32, 32, 16, 16, 16, 16, 16, 16,
- 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 32,
- 16, 8, 4, 2, 1, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 32, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 32, 16, 8, 4, 2, 1,
- 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 32, 16,
- 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2,
- 2, 2, 2, 2, 2, 64, 32, 16, 8, 4, 2, 1, 4, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 32, 16, 16, 16, 16, 16, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 64, 32, 16, 8, 4, 2, 1, 4, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 64, 32, 16, 8, 4,
- 2, 1, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16,
- 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2,
- 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 2, 2, 2, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 16, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 128, 64, 32, 16,
- 8, 4, 2, 1, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 16, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 256, 128, 64, 32, 16, 8, 4, 2, 1,
- 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 8, 8, 8, 8,
- 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 16, 8, 8, 8, 8, 8, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 256, 128, 64,
- 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 1, 1, 512, 256, 128, 64, 32, 16, 8, 4,
- 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 8, 8, 8,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
- 1, 1, 1, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 8, 8, 8, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 512, 256,
- 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 1, 1, 1, 1, 1, 1, 1, 1024, 512, 256, 128, 64, 32, 16,
- 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 8, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
- 1, 1, 1, 1, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4,
- 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 8, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1024,
- 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 8, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64,
- 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 4,
- 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2,
- 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 4, 4, 4, 4, 4, 4,
- 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 8, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128,
- 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8,
- 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4,
- 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 4, 4, 4, 4, 4,
- 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 8, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256,
- 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 8, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8,
- 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 4, 4, 4, 4,
- 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 8, 4, 4, 4, 4, 4, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512,
- 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 8, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16,
- 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 4, 4, 4,
- 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4,
- 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024,
- 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32,
- 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4,
- 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1,
- 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048,
- 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64,
- 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4,
- 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2,
- 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128,
- 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4,
- 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4,
- 2, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2048, 1024, 512, 256,
- 128, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
-};
-
-static const int BitCount[1512] = {
- 10, 9, 9, 9, 9, 9, 8, 7, 9, 9, 8, 8, 8, 9, 7, 6,
- 5, 8, 8, 8, 7, 7, 9, 7, 6, 5, 4, 8, 7, 7, 7, 7,
- 8, 7, 6, 5, 4, 3, 7, 7, 7, 6, 6, 7, 7, 6, 5, 4,
- 3, 3, 7, 6, 6, 6, 6, 7, 7, 5, 4, 4, 3, 4, 3, 7,
- 6, 6, 6, 5, 6, 7, 5, 4, 4, 3, 3, 3, 3, 6, 6, 6,
- 5, 5, 6, 6, 5, 4, 4, 3, 3, 3, 3, 2, 6, 6, 5, 5,
- 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 3, 2, 6, 5, 5, 5,
- 5, 5, 4, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 6, 5, 5,
- 4, 4, 5, 4, 5, 4, 4, 3, 3, 3, 3, 2, 3, 2, 1, 6,
- 5, 5, 4, 4, 5, 4, 5, 4, 4, 3, 3, 2, 3, 2, 1, 3,
- 2, 1, 5, 5, 5, 4, 4, 4, 4, 5, 4, 4, 3, 3, 2, 2,
- 3, 2, 1, 3, 2, 1, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
- 3, 2, 3, 2, 2, 3, 2, 1, 2, 2, 1, 5, 4, 4, 4, 4,
- 4, 3, 4, 4, 3, 4, 3, 2, 3, 2, 2, 2, 2, 1, 2, 2,
- 1, 5, 4, 4, 4, 4, 4, 3, 3, 4, 3, 3, 3, 3, 2, 3,
- 2, 1, 2, 2, 1, 2, 2, 1, 5, 4, 4, 4, 3, 4, 3, 3,
- 4, 3, 3, 3, 3, 2, 3, 2, 1, 2, 2, 1, 2, 1, 1, 1,
- 5, 4, 4, 3, 3, 4, 3, 3, 4, 3, 3, 3, 2, 2, 3, 2,
- 1, 2, 2, 1, 1, 2, 2, 1, 1, 5, 4, 4, 3, 3, 4, 3,
- 2, 4, 3, 2, 3, 2, 2, 3, 2, 2, 1, 2, 2, 1, 1, 2,
- 2, 1, 1, 4, 4, 4, 3, 3, 4, 3, 2, 4, 3, 2, 3, 2,
- 2, 2, 3, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 4, 4,
- 4, 3, 3, 3, 3, 2, 4, 3, 2, 2, 3, 2, 2, 2, 3, 2,
- 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 4, 4, 4, 3, 3, 3,
- 3, 2, 2, 3, 3, 2, 2, 3, 2, 2, 1, 3, 2, 1, 1, 2,
- 1, 1, 1, 2, 1, 1, 1, 4, 4, 3, 3, 3, 3, 3, 2, 2,
- 3, 3, 2, 2, 3, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1,
- 2, 1, 1, 1, 1, 4, 4, 3, 3, 3, 3, 3, 2, 2, 3, 3,
- 2, 2, 3, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2,
- 1, 1, 1, 0, 4, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 2,
- 2, 3, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2,
- 1, 1, 1, 1, 4, 3, 3, 3, 3, 3, 2, 2, 2, 3, 2, 2,
- 2, 3, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1,
- 2, 1, 1, 1, 0, 4, 3, 3, 3, 3, 3, 2, 2, 2, 3, 2,
- 2, 2, 2, 3, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1,
- 1, 0, 2, 1, 1, 1, 0, 4, 3, 3, 3, 3, 3, 2, 2, 2,
- 1, 3, 2, 2, 2, 1, 3, 2, 1, 1, 1, 2, 2, 1, 1, 1,
- 2, 1, 1, 1, 0, 2, 1, 1, 1, 0, 4, 3, 3, 3, 2, 3,
- 2, 2, 2, 1, 3, 2, 2, 2, 2, 3, 2, 1, 1, 1, 2, 1,
- 1, 1, 1, 2, 1, 1, 1, 0, 2, 1, 1, 1, 1, 0, 4, 3,
- 3, 3, 2, 3, 2, 2, 2, 1, 3, 2, 2, 2, 1, 3, 2, 1,
- 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 0, 2, 1, 1,
- 1, 1, 0, 4, 3, 3, 3, 2, 3, 2, 2, 2, 1, 3, 2, 2,
- 2, 1, 3, 2, 1, 1, 1, 2, 2, 1, 1, 1, 0, 2, 1, 1,
- 1, 1, 0, 2, 1, 1, 1, 0, 0, 4, 3, 3, 3, 2, 3, 2,
- 2, 2, 1, 3, 2, 2, 1, 1, 3, 2, 1, 1, 1, 1, 2, 2,
- 1, 1, 1, 0, 2, 1, 1, 1, 1, 0, 2, 1, 1, 1, 0, 0,
- 4, 3, 3, 2, 2, 3, 2, 2, 1, 1, 3, 2, 2, 2, 1, 1,
- 3, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 0, 2, 1, 1, 1,
- 1, 0, 2, 1, 1, 1, 0, 0, 4, 3, 3, 2, 2, 3, 2, 2,
- 2, 1, 1, 3, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2,
- 2, 1, 1, 1, 0, 2, 1, 1, 1, 0, 0, 2, 1, 1, 1, 0,
- 0, 4, 3, 3, 2, 2, 3, 2, 2, 2, 1, 1, 3, 2, 2, 2,
- 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 0, 2, 1,
- 1, 1, 0, 0, 2, 1, 1, 1, 1, 0, 0, 4, 3, 3, 2, 2,
- 3, 2, 2, 1, 1, 1, 3, 2, 2, 2, 1, 1, 2, 2, 1, 1,
- 1, 1, 2, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 0, 0, 2,
- 1, 1, 1, 1, 0, 0, 4, 3, 3, 2, 2, 3, 2, 2, 1, 1,
- 1, 3, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1,
- 1, 1, 0, 0, 2, 1, 1, 1, 1, 0, 0, 2, 1, 1, 1, 1,
- 0, 0, 3, 3, 3, 2, 2, 3, 2, 2, 1, 1, 1, 3, 2, 2,
- 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 0,
- 0, 2, 1, 1, 1, 1, 0, 0, 2, 1, 1, 1, 1, 0, 0, 3,
- 3, 3, 2, 2, 3, 2, 2, 1, 1, 1, 3, 2, 2, 1, 1, 1,
- 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 0, 0, 2,
- 1, 1, 1, 1, 0, 0, 2, 1, 1, 1, 0, 0, 0, 3, 3, 3,
- 2, 2, 3, 2, 2, 1, 1, 1, 1, 3, 2, 2, 1, 1, 1, 1,
- 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 0, 0, 2, 1,
- 1, 1, 0, 0, 0, 2, 1, 1, 1, 0, 0, 0, 3, 3, 3, 2,
- 2, 3, 2, 2, 1, 1, 1, 1, 3, 2, 2, 1, 1, 1, 1, 2,
- 2, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0, 0, 2, 1, 1,
- 1, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 3, 3, 3, 2,
- 2, 3, 2, 2, 1, 1, 1, 1, 3, 2, 2, 1, 1, 1, 1, 2,
- 2, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0, 0, 2, 1, 1,
- 1, 1, 0, 0, 0, 2, 1, 1, 1, 0, 0, 0, 0, 3, 3, 3,
- 2, 2, 3, 2, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1,
- 2, 2, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0, 0, 0, 2,
- 1, 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 3,
- 3, 2, 2, 2, 3, 2, 1, 1, 1, 1, 1, 3, 2, 2, 1, 1,
- 1, 1, 2, 2, 1, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0,
- 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 1, 0,
- 0, 0, 3, 3, 2, 2, 2, 3, 2, 1, 1, 1, 1, 1, 3, 2,
- 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 0, 2, 2,
- 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 2, 1,
- 1, 1, 0, 0, 0, 0, 3, 3, 2, 2, 2, 3, 2, 2, 1, 1,
- 1, 1, 0, 3, 2, 2, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1,
- 1, 1, 0, 2, 2, 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 1,
- 0, 0, 0, 2, 1, 1, 1, 0, 0, 0, 0, 3, 3, 2, 2, 2,
- 3, 2, 2, 1, 1, 1, 1, 0, 3, 2, 2, 1, 1, 1, 1, 0,
- 2, 2, 1, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0, 0, 0,
- 2, 1, 1, 1, 0, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 3, 3, 2, 2, 2, 3, 2, 2, 1, 1, 1, 1, 0, 3, 2,
- 2, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 1, 1, 0, 2, 2,
- 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 0, 2,
- 1, 1, 1, 0, 0, 0, 0, 0
-};
-
-static const float StepSize[1512] = {
- 0.003100, 0.004020, 0.003360, 0.002900, 0.002640, 0.006140, 0.012280, 0.024560, 0.006200, 0.004020, 0.006720, 0.005800, 0.005280, 0.006140, 0.024560, 0.046050,
- 0.085960, 0.012400, 0.008040, 0.006720, 0.011600, 0.010560, 0.006140, 0.024560, 0.046050, 0.085960, 0.122800, 0.012400, 0.016080, 0.013440, 0.011600, 0.010560,
- 0.012280, 0.024560, 0.046050, 0.085960, 0.122800, 0.199550, 0.024800, 0.016080, 0.013440, 0.021750, 0.019800, 0.024560, 0.024560, 0.046050, 0.085960, 0.122800,
- 0.199550, 0.156650, 0.024800, 0.030150, 0.025200, 0.021750, 0.019800, 0.024560, 0.024560, 0.085960, 0.122800, 0.122800, 0.156650, 0.122800, 0.156650, 0.024800,
- 0.030150, 0.025200, 0.021750, 0.036960, 0.046050, 0.024560, 0.085960, 0.122800, 0.096400, 0.199550, 0.156650, 0.199550, 0.156650, 0.046500, 0.030150, 0.025200,
- 0.040600, 0.036960, 0.046050, 0.046050, 0.085960, 0.096400, 0.122800, 0.156650, 0.199550, 0.156650, 0.199550, 0.204850, 0.046500, 0.030150, 0.047040, 0.040600,
- 0.036960, 0.085960, 0.085960, 0.067480, 0.122800, 0.096400, 0.122800, 0.156650, 0.199550, 0.204850, 0.199550, 0.204850, 0.046500, 0.056280, 0.047040, 0.040600,
- 0.036960, 0.085960, 0.096400, 0.085960, 0.067480, 0.122800, 0.156650, 0.199550, 0.156650, 0.199550, 0.204850, 0.260950, 0.204850, 0.046500, 0.056280, 0.047040,
- 0.058000, 0.052800, 0.085960, 0.096400, 0.085960, 0.096400, 0.122800, 0.156650, 0.199550, 0.156650, 0.199550, 0.204850, 0.199550, 0.204850, 0.248400, 0.046500,
- 0.056280, 0.047040, 0.058000, 0.052800, 0.085960, 0.096400, 0.085960, 0.096400, 0.122800, 0.156650, 0.199550, 0.204850, 0.199550, 0.204850, 0.248400, 0.199550,
- 0.204850, 0.248400, 0.086800, 0.056280, 0.047040, 0.058000, 0.052800, 0.122800, 0.096400, 0.085960, 0.096400, 0.122800, 0.156650, 0.199550, 0.204850, 0.175950,
- 0.199550, 0.204850, 0.248400, 0.199550, 0.204850, 0.248400, 0.086800, 0.056280, 0.067200, 0.058000, 0.052800, 0.122800, 0.096400, 0.122800, 0.096400, 0.122800,
- 0.156650, 0.175950, 0.199550, 0.204850, 0.175950, 0.199550, 0.204850, 0.248400, 0.260950, 0.204850, 0.248400, 0.086800, 0.080400, 0.067200, 0.058000, 0.052800,
- 0.122800, 0.156650, 0.122800, 0.096400, 0.134550, 0.122800, 0.156650, 0.175950, 0.199550, 0.204850, 0.175950, 0.260950, 0.204850, 0.248400, 0.260950, 0.204850,
- 0.248400, 0.086800, 0.080400, 0.067200, 0.058000, 0.052800, 0.122800, 0.156650, 0.134550, 0.122800, 0.156650, 0.134550, 0.199550, 0.156650, 0.175950, 0.199550,
- 0.204850, 0.248400, 0.260950, 0.204850, 0.248400, 0.260950, 0.204850, 0.248400, 0.086800, 0.080400, 0.067200, 0.058000, 0.085800, 0.122800, 0.156650, 0.134550,
- 0.122800, 0.156650, 0.134550, 0.199550, 0.156650, 0.175950, 0.199550, 0.204850, 0.248400, 0.260950, 0.204850, 0.248400, 0.260950, 0.289200, 0.248400, 0.228000,
- 0.086800, 0.080400, 0.067200, 0.094250, 0.085800, 0.122800, 0.156650, 0.134550, 0.122800, 0.156650, 0.134550, 0.199550, 0.204850, 0.175950, 0.199550, 0.204850,
- 0.248400, 0.260950, 0.204850, 0.248400, 0.228000, 0.260950, 0.204850, 0.248400, 0.228000, 0.086800, 0.080400, 0.067200, 0.094250, 0.085800, 0.122800, 0.156650,
- 0.175950, 0.122800, 0.156650, 0.175950, 0.199550, 0.204850, 0.175950, 0.199550, 0.204850, 0.175950, 0.228000, 0.260950, 0.204850, 0.248400, 0.228000, 0.260950,
- 0.204850, 0.248400, 0.228000, 0.124000, 0.080400, 0.067200, 0.094250, 0.085800, 0.122800, 0.156650, 0.175950, 0.122800, 0.156650, 0.175950, 0.199550, 0.204850,
- 0.175950, 0.161500, 0.199550, 0.204850, 0.248400, 0.228000, 0.260950, 0.204850, 0.248400, 0.228000, 0.260950, 0.289200, 0.248400, 0.228000, 0.124000, 0.080400,
- 0.067200, 0.094250, 0.085800, 0.199550, 0.156650, 0.175950, 0.122800, 0.156650, 0.175950, 0.161500, 0.199550, 0.204850, 0.175950, 0.161500, 0.199550, 0.204850,
- 0.248400, 0.228000, 0.260950, 0.289200, 0.248400, 0.228000, 0.260950, 0.289200, 0.248400, 0.228000, 0.124000, 0.080400, 0.067200, 0.094250, 0.085800, 0.199550,
- 0.156650, 0.175950, 0.161500, 0.199550, 0.156650, 0.175950, 0.161500, 0.199550, 0.204850, 0.175950, 0.228000, 0.199550, 0.204850, 0.248400, 0.228000, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.260950, 0.289200, 0.248400, 0.228000, 0.124000, 0.080400, 0.109200, 0.094250, 0.085800, 0.199550, 0.156650, 0.175950, 0.161500,
- 0.199550, 0.156650, 0.175950, 0.161500, 0.199550, 0.204850, 0.175950, 0.228000, 0.260950, 0.204850, 0.248400, 0.228000, 0.260950, 0.289200, 0.248400, 0.228000,
- 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.124000, 0.080400, 0.109200, 0.094250, 0.085800, 0.199550, 0.156650, 0.175950, 0.161500, 0.199550, 0.156650,
- 0.175950, 0.161500, 0.199550, 0.204850, 0.175950, 0.228000, 0.260950, 0.204850, 0.248400, 0.228000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.000000, 0.124000, 0.130650, 0.109200, 0.094250, 0.085800, 0.199550, 0.156650, 0.175950, 0.161500, 0.199550, 0.156650, 0.175950,
- 0.161500, 0.199550, 0.204850, 0.248400, 0.228000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.214800, 0.124000, 0.130650, 0.109200, 0.094250, 0.085800, 0.199550, 0.204850, 0.175950, 0.161500, 0.199550, 0.204850, 0.175950,
- 0.161500, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800,
- 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.124000, 0.130650, 0.109200, 0.094250, 0.085800, 0.199550, 0.204850, 0.175950, 0.161500, 0.199550, 0.204850,
- 0.175950, 0.161500, 0.152150, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.289200, 0.248400,
- 0.228000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.124000, 0.130650, 0.109200, 0.094250, 0.085800, 0.199550, 0.204850, 0.175950, 0.161500,
- 0.214800, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800,
- 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.124000, 0.130650, 0.109200, 0.094250, 0.112200, 0.199550,
- 0.204850, 0.175950, 0.161500, 0.214800, 0.199550, 0.204850, 0.175950, 0.161500, 0.152150, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.289200,
- 0.248400, 0.228000, 0.214800, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.124000, 0.130650,
- 0.109200, 0.094250, 0.112200, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.199550, 0.204850, 0.248400,
- 0.228000, 0.214800, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400,
- 0.228000, 0.214800, 0.000000, 0.124000, 0.130650, 0.109200, 0.094250, 0.112200, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.199550, 0.204850, 0.175950,
- 0.161500, 0.214800, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400,
- 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.124000, 0.130650, 0.109200, 0.094250, 0.112200, 0.199550, 0.204850,
- 0.175950, 0.161500, 0.214800, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.260950, 0.204850,
- 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000,
- 0.124000, 0.130650, 0.109200, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.207600,
- 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000,
- 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.124000, 0.130650, 0.109200, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950,
- 0.161500, 0.214800, 0.207600, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.207600, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.260950,
- 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000,
- 0.000000, 0.124000, 0.130650, 0.109200, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.207600, 0.199550, 0.204850, 0.175950, 0.161500,
- 0.214800, 0.207600, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200,
- 0.248400, 0.228000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.124000, 0.130650, 0.109200, 0.123250, 0.112200,
- 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.199550, 0.204850, 0.175950, 0.161500, 0.214800, 0.207600, 0.260950, 0.204850, 0.248400, 0.228000,
- 0.214800, 0.207600, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.124000, 0.130650, 0.109200, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800,
- 0.207600, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.260950, 0.204850, 0.248400,
- 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800,
- 0.000000, 0.000000, 0.201500, 0.130650, 0.109200, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.199550, 0.204850, 0.175950,
- 0.228000, 0.214800, 0.207600, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000,
- 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.201500,
- 0.130650, 0.109200, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600,
- 0.198000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.201500, 0.130650, 0.109200,
- 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000,
- 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200,
- 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.201500, 0.130650, 0.109200, 0.123250,
- 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.260950,
- 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400,
- 0.228000, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.201500, 0.130650, 0.109200, 0.123250,
- 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.260950,
- 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400,
- 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.000000, 0.201500, 0.130650, 0.109200,
- 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000,
- 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.201500,
- 0.130650, 0.142800, 0.123250, 0.112200, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800,
- 0.207600, 0.198000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000,
- 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000,
- 0.000000, 0.000000, 0.201500, 0.130650, 0.142800, 0.123250, 0.112200, 0.199550, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.199550, 0.204850,
- 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.204000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.260950, 0.204850,
- 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200,
- 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.000000, 0.201500, 0.130650, 0.142800, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800,
- 0.207600, 0.198000, 0.000000, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800,
- 0.207600, 0.198000, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800,
- 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.000000, 0.201500, 0.130650, 0.142800, 0.123250, 0.112200,
- 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000,
- 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000,
- 0.260950, 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000,
- 0.000000, 0.201500, 0.130650, 0.142800, 0.123250, 0.112200, 0.199550, 0.204850, 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.199550, 0.204850,
- 0.175950, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.260950, 0.204850, 0.248400, 0.228000, 0.214800, 0.207600, 0.198000, 0.000000, 0.260950, 0.204850,
- 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.260950, 0.289200, 0.248400, 0.228000, 0.214800, 0.000000, 0.000000, 0.000000, 0.000000, 0.260950,
- 0.289200, 0.248400, 0.228000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000
-};
-
-static const float AnnexE[64] = {
- -2.842205, -2.694235, -2.558260, -2.382850, -2.221042, -2.095574, -1.980845, -1.836058, -1.645556, -1.417658, -1.261301, -1.125631, -0.958207, -0.781591, -0.555837, -0.346976,
- -0.147249, 0.027755, 0.211495, 0.388380, 0.552873, 0.737223, 0.932197, 1.139032, 1.320995, 1.483433, 1.648297, 1.801447, 1.942731, 2.118613, 2.321486, 2.504443,
- 2.653909, 2.780654, 2.925355, 3.076390, 3.220825, 3.402869, 3.585096, 3.784606, 3.955521, 4.155636, 4.314009, 4.444150, 4.577542, 4.735552, 4.909493, 5.085264,
- 5.254767, 5.411894, 5.568094, 5.738523, 5.919215, 6.087701, 6.280685, 6.464201, 6.647736, 6.834672, 7.022583, 7.211777, 7.471016, 7.738948, 8.124863, 8.695827
-};
-
-static const float ws[211] = {
- 0.000000, 0.020000, 0.040000, 0.060000, 0.080000, 0.100000, 0.120000, 0.140000, 0.160000, 0.180000, 0.200000, 0.220000, 0.240000, 0.260000, 0.280000, 0.300000,
- 0.320000, 0.340000, 0.360000, 0.380000, 0.400000, 0.420000, 0.440000, 0.460000, 0.480000, 0.500000, 0.520000, 0.540000, 0.560000, 0.580000, 0.600000, 0.620000,
- 0.640000, 0.660000, 0.680000, 0.700000, 0.720000, 0.740000, 0.760000, 0.780000, 0.800000, 0.820000, 0.840000, 0.860000, 0.880000, 0.900000, 0.920000, 0.940000,
- 0.960000, 0.980000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
- 1.000000, 0.980000, 0.960000, 0.940000, 0.920000, 0.900000, 0.880000, 0.860000, 0.840000, 0.820000, 0.800000, 0.780000, 0.760000, 0.740000, 0.720000, 0.700000,
- 0.680000, 0.660000, 0.640000, 0.620000, 0.600000, 0.580000, 0.560000, 0.540000, 0.520000, 0.500000, 0.480000, 0.460000, 0.440000, 0.420000, 0.400000, 0.380000,
- 0.360000, 0.340000, 0.320000, 0.300000, 0.280000, 0.260000, 0.240000, 0.220000, 0.200000, 0.180000, 0.160000, 0.140000, 0.120000, 0.100000, 0.080000, 0.060000,
- 0.040000, 0.020000, 0.000000
-};
-
-static const float woaa[105] = {
- 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
- 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
- 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
- 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 1.040799, 1.083189, 1.127142, 1.172608, 1.219512, 1.267748, 1.317176, 1.367615,
- 1.418842, 1.470588, 1.522534, 1.574307, 1.625488, 1.675603, 1.724138, 1.770538, 1.814224, 1.854599, 1.891074, 1.923077, 1.950078, 1.971609, 1.987282, 1.996805,
- 2.000000, 1.996805, 1.987282, 1.971609, 1.950078, 1.923077, 1.891074, 1.854599, 1.814224, 1.770538, 1.724138, 1.675603, 1.625488, 1.574307, 1.522534, 1.470588,
- 1.418842, 1.367615, 1.317176, 1.267748, 1.219512, 1.172608, 1.127142, 1.083189, 1.040799
-};
-
-static const float PhzNz[57] = {
- 0.000000, 3.002978, -0.385743, -1.804058, 0.708389, 3.080091, 0.234237, -2.601564, 2.564900, 0.101063, -0.241570, -2.283176, 0.460491, -1.611275, 2.258339, -2.055267,
- 1.733923, 2.517236, -1.766211, 0.897032, -2.360999, -0.280836, -2.714514, 2.100092, 2.300326, -1.158767, -2.044268, -2.668387, -2.578737, 0.185036, 1.551429, 2.726814,
- 2.655614, 3.046857, 0.834348, -0.513595, 1.466037, 0.691121, 0.127319, -2.034924, -1.070655, 0.456588, -2.278682, 1.229021, -2.139595, -0.119750, -0.301534, 0.029391,
- 0.068775, 0.520336, 2.339119, -0.808328, 1.332154, 2.929768, -0.338316, 0.022767, -1.063795
-};
-
-static const float Ui[129] = {
- 460.246094, 90.698601, -140.362900, 3.415093, 99.369812, 445.443207, 522.042786, 252.818405, 125.521202, -119.443199, -342.607910, -393.066895, -494.564301, -284.859009, 351.480896, 660.536377,
- 149.394104, -654.466980, -845.040527, -496.079102, -155.383499, 313.371399, 370.925110, -207.061905, -49.371632, 355.883392, -295.865509, -950.418823, -646.136597, 154.876801, 475.990295, 251.149902,
- 275.690796, 176.195206, 39.321491, 323.984711, 3.765467, -740.295471, -684.010681, 22.967060, 532.828186, 327.829803, -17.576559, 36.373402, -144.939194, -400.725189, 59.048889, 408.261597,
- -3.164414, -207.470093, -76.218567, -8.249402, 56.827209, -221.976196, -346.998199, -139.244995, -582.422485, -1028.400024, -727.781982, -406.098907, -191.811295, 41.401581, -151.480103, -641.985779,
- -607.550781, -400.055786, -678.727417, -376.449890, 434.718109, 239.750504, -470.508392, -552.972717, -148.247299, 153.369507, 113.672798, 29.017599, 31.270840, -13.290440, -250.178604, -504.166809,
- -8.738471, 669.869019, 43.365711, -669.164429, -29.603149, 114.396599, -495.633301, -105.838203, 90.404091, -299.971100, 154.039200, 380.408691, 111.480400, 158.179993, -205.268204, -386.008087,
- -62.792370, -327.508087, -488.555298, 15.982190, 264.942902, 171.169998, 112.966904, -209.006302, -364.411591, 367.667999, 417.925293, -867.776184, -1286.915039, -779.282288, -557.706482, -184.866501,
- 189.383804, 140.763107, 143.058304, 522.142395, 586.625122, -52.709290, 46.055168, 955.700806, 807.637085, -213.939499, -450.946411, 209.997101, 114.041298, -608.001221, -67.676140, 800.976929,
- 918.058594
-};
-
-static const float Uq[129] = {
- 0.000000, 15.557470, -141.517395, 4.850000, 20.818390, -31.850750, 240.388107, 359.115509, 353.314514, -34.321480, -683.943787, -426.828705, 251.196106, 648.932800, 583.257080, -272.161804,
- -696.480774, -616.009888, -730.197388, -275.599213, -71.369781, -246.298599, 353.591187, 383.542999, -457.883911, -573.009827, 123.842796, 808.834473, 590.295227, -116.924400, 4.462234, 300.142792,
- -398.965790, -1374.654053, -1271.543945, -306.073090, 175.326508, 330.696106, 640.043701, 308.004608, -163.072403, 10.378300, -113.961601, -623.374390, -714.512207, -384.877991, 71.181877, 261.299896,
- 129.764801, -8.331214, -68.725418, 88.997963, 276.388611, -133.622498, -673.724915, -355.871704, -137.479996, -829.466675, -936.803223, -471.582794, -615.728271, -670.887085, -713.287109, -1046.473022,
- -679.554688, -198.067902, -328.069305, -487.968994, -368.145203, 482.697296, 1213.579956, 528.013977, -148.013107, 88.007896, 349.561005, 483.642792, -11.267410, -765.563721, -95.221008, 1021.109985,
- 810.747620, 291.417908, 516.477783, 771.458984, 430.919586, -105.049500, -259.056702, -412.976807, -776.695312, -506.850098, -208.051407, -624.956421, -280.915710, 302.574402, -349.600403, -520.683228,
- 278.127899, 446.518799, 21.136551, -178.466400, 262.635498, 683.496704, 448.290802, 360.132202, 334.482605, -306.716003, -777.159912, -433.828796, 88.513657, 278.588989, 94.746696, -541.088989,
- -645.232483, 321.504211, 801.454773, 511.169189, 164.987106, -538.676819, -971.696228, -735.475586, -533.916626, -355.275909, -234.147903, -468.023285, -691.458313, -533.001770, -291.729004, -199.716904,
- 0.000000
-};
-
-software_imbe_decoder::software_imbe_decoder()
-{
- int i,j;
- //initialize
- Old = 1; New = 0;
- psi1 = 0.0;
- for(i=0; i < 58; i++) {
- for(j=0; j < 2; j++) {
- log2Mu[i][j] = 0.0;
- }
- }
- for(i=0; i < 57; i++) {
- for(j=0; j < 2; j++) {
- phi[i][j] = 0.0;
- }
- }
- for(i=0; i < 256; i++) {
- Olduw[i] = 0.0;
- }
-}
-
-software_imbe_decoder::~software_imbe_decoder()
-{
-}
-
-void
-software_imbe_decoder::decode(const voice_codeword& cw)
-{
- // process input 144-bit IMBE frame - converts to 88-bit frame
- unsigned int u0 = 0;
- unsigned int u1,u2,u3,u4,u5,u6,u7;
- unsigned int E0 = 0;
- unsigned int ET = 0;
- unsigned char O[12];
-
- // PN/Hamming/Golay - etc.
- imbe_header_decode(cw, u0, u1, u2, u3, u4, u5, u6, u7, E0, ET) ;
-
- //replace the sync bit(LSB of u7) with the BOT flag
- u7 = u7 | 0x01; //ECC procedure called above always returns u7 LSB = 0
-
- O[0] = (((u0 / 16) & 240) + (u1 / 256));
- O[1] = (((u2 / 16) & 240) + (u3 / 256));
- O[2] = (((u4 / 8) & 224) + ((u5 / 64) & 28) + (u6 / 512));
- O[3] = (((u6 / 2) & 128) + u7);
- O[4] = (u0 & 255);
- O[5] = (u1 & 255);
- O[6] = (u2 & 255);
- O[7] = (u3 & 255);
- O[8] = (u4 & 255);
- O[9] = (u5 & 255);
- O[10] = (u6 & 255);
- O[11] = E0 + 4 * ET;
-
- decode_audio(O); // process 88-bit frame
-}
-
-void
-software_imbe_decoder::adaptive_smoothing(float SE, float ER, float ET)
-{
- float VM;
- float YM;
- int ell;
-
- if(ER <= .005 && ET <= 4) {
- VM = 1E+38; //infinity
- } else if( ER <= .0125 && ET == 0) { //(guessing typo in std)
- VM = 45.255 * powf(SE, .375) / exp(277.6 * ER);
- } else {
- VM = 1.414 * powf(SE, .375);
- }
-
- float AM = 0;
- for(ell = 1; ell <= L; ell++) {
- if(M[ell][ New] > VM) vee[ell][ New] = 1; //CAUTION:
- AM = AM + M[ell][ New]; //smoothed vee(ell) replaces unsmoothed!
- }
-
- float TM = (ER <= .005 && ET <= 6) ? 20480 : 6000 - 300 * ET; // + TM; /* ToDo: uninitialized! */
- if(TM <= AM) {
- YM = TM / AM;
- for(ell = 1; ell <= L; ell++) {
- M[ell][ New] = M[ell][New] * YM;
- }
- }
-}
-
-void
-software_imbe_decoder::fft(float REX[], float IMX[])
-{
- int I;
- int J;
- int K;
- int H;
- int KpH;
- int Ht2;
- float tmp_f;
- float l_Ui, l_Uq, Theta, Si, Sq, Ti, Xi, Tq, Xq;
-
- J = 64;
- for(I = 1; I <= 126; I++) {
-#define SWAP(x,y) tmp_f=x;x=y;y=tmp_f
- if(I < J) { SWAP(REX[J], REX[I]); SWAP(IMX[J], IMX[I]); }
-#undef SWAP
- K = 64;
- while(K <= J) { J = J - K; K = K / 2; }
- J = J + K;
- }
-
- H = 1;
- for(I = 1; I <= 7; I++) {
- Ht2 = H * 2; l_Ui = 1; l_Uq = 0;
- Theta = M_PI / H; Si = cos(Theta); Sq = -sin(Theta);
- for(J = 1; J <= H; J++) {
- for(K = J - 1; K <= 127; K+=Ht2) {
- KpH = K + H;
-
- Ti = REX[KpH] * l_Ui - IMX[KpH] * l_Uq; Xi = REX[K];
- Tq = REX[KpH] * l_Uq + IMX[KpH] * l_Ui; Xq = IMX[K];
-
- REX[KpH] = Xi - Ti; REX[K] = Xi + Ti;
- IMX[KpH] = Xq - Tq; IMX[K] = Xq + Tq;
- }
- Ti = l_Ui;
- l_Ui = Ti * Si - l_Uq * Sq;
- l_Uq = Ti * Sq + l_Uq * Si;
- }
- H = Ht2;
- }
-
-}
-
-void
-software_imbe_decoder::decode_audio(uint8_t *A)
-{
- uint32_t u0, u1, u2, u3, u4, u5, u6, u7, E0, ET;
- int K;
- int en, tmp_f;
- float SE = 0, ER = 0;
-
- imbe_frame_unpack(A, u0, u1, u2, u3, u4, u5, u6, u7, E0, ET);
-
- ER = .95 * ER + .000365 * ET;
- if( ER > .0875) {
- // Huh?!
- } else if(u0 >= 3328 || E0 >= 2 || ET >=(10 + 40 * ER)) {
- // Whuh?!
- } else {
- K = rearrange(u0, u1, u2, u3, u4, u5, u6, u7); // re-arrange the bits from u to b (ToDo: make 'b' return value ???)
- decode_vuv(K);
-
- int Len3, Start3, Len8, Start8;
- Len3 = L - 1;
- Start3 =((Len3 * (Len3 - 1)) / 2) - 28;
- Len8 = L - 6;
- Start8 =((Len8 * (Len8 - 1)) / 2) - 3;
-
- decode_spectral_amplitudes(Start3, Start8);
- enhance_spectral_amplitudes(SE);
- adaptive_smoothing(SE, ER, ET);
-
- // (8000 samp/sec) * (1 sec / 50 compressed voice frames) = 160 samples/frame
-
- //synth:
- synth_unvoiced();// ToDo: make suv return value?
- synth_voiced(); // ToDo: make sv return value?
-
- //output:
- audio_samples *samples = audio();
- for(en = 0; en <= 159; en++) {
- // The unvoiced samples are loud and the voiced are low...I don't know why.
- // Most of the difference is compensated by removing the 146.6433 factor
- // in the synth_unvoiced procedure. The final tweak is done by raising the
- // voiced samples:
- float sample = suv[en] + sv[en] * 4; //balance v/uv loudness
-// if(abs((int)sample) > 32767) {
-// sample = 32767 * (sample < 0) ? -1 : 1; // * sgn(sample)
-// }
- sample /= 16384.0; /* 32768.0 - but audio amplitude is not full range of int16 */
- samples->push_back(sample);
- }
- }
- OldL = L;
- Oldw0 = w0;
- tmp_f = Old; Old = New; New = tmp_f;
-}
-
-void
-software_imbe_decoder::decode_spectral_amplitudes(int Start3, int Start8)
-{
- float G[7]; //Can we use C(1 to 6,1) for this?
- int J[7];
- float C[7][ 11] ;
- float T[57];
-
- float Tmp ;
- float Tk ;
- float TD;
- float Tp ;
-
- int P3, P8, eye, jay, kay, ell, em, iTk;
-
- P3 = Start3; P8 = Start8;
-
- G[1] = AnnexE[bee[2]];
-
- for(eye = 2; eye <= 6; eye++) {
- G[eye] = StepSize[P3] *(bee[eye + 1] - powf(2 ,(BitCount[P3] - 1)) + .5);
- P3 = P3 + 1;
- }
-
- for(eye = 1; eye <= 6; eye++) {
- Tmp = G[1];
- for(em = 2; em <= 6; em++) {
- Tmp = Tmp + 2 * G[em] * cos(M_PI *(em - 1) *(eye - .5) / 6);
- }
- //R(eye) = Tmp
- C[eye][1] = Tmp;
- }
-
- ell = 8;
- for(eye = 1; eye <= 6; eye++) {
- J[eye] =(L + eye - 1) / 6; //Prediction Residual Block Length
- // FOR kay = 2 TO J(eye)
- for(kay = 2; kay <= J[eye]; kay++) {
- C[eye][ kay] = StepSize[P3] *(bee[ell] - powf(2 ,(BitCount[P3] - 1)) + .5);
- P3 = P3 + 1; P8 = P8 + 1; ell = ell + 1;
- }
- }
-
- ell = 0;
- for(eye = 1; eye <= 6; eye++) {
- for(jay = 1; jay <= J[eye]; jay++) {
- Tmp = C[eye][ 1];
- // FOR kay = 2 TO J(eye)
- for(kay = 2; kay <= J[eye]; kay++) {
- Tmp = Tmp + 2 * C[eye][ kay] * cos(M_PI *(kay - 1) *(jay - .5) / J[eye]);
- }
- ell = ell + 1; T[ell] = Tmp;
- }
- }
- if(ell != L) exit(1);
-
- // *******
- // we have the residuals in T(ell); now to sum with the predictions
- // *******
-
- // first, set up the assumptions about the previous frame values
- // Note: L means L(0); OldL means L(-1)
- if(OldL == 0) { OldL = 30; for( ell = 0; ell <= 57; ell++) { log2Mu[ell][ Old] = 1; } }
- for(ell = OldL + 1; ell <= L + 1; ell++) { log2Mu[ell][ Old] = log2Mu[OldL][ Old]; }
-
- // make the predictions and sum with T(ell)
- if(L <= 15)
- Tp = .4;
- else if(L <= 24)
- Tp = .03 * L - .05;
- else
- Tp = .7;
-
- Tmp = 0;
- for(ell = 1; ell <= L; ell++) {
- Tk =((float)OldL /(float)L) *(float)ell;
- iTk =(int) Tk;
- TD = Tk - iTk;
- // temporarily use Mu(ell, New) as temp
- Mu[ell][ New] = Tp *((1 - TD) * log2Mu[iTk][ Old] + TD * log2Mu[iTk + 1][ Old]);
- Tmp = Tmp + Mu[ell][ New];
- }
- Tmp = Tmp / L;
- for(ell = 1; ell <= L; ell++) {
- log2Mu[ell][ New] = T[ell] + Mu[ell][ New] - Tmp;
- // Mu(ell, New) no longer temp
- Mu[ell][ New] = powf(2 ,log2Mu[ell][ New]);
- }
-}
-
-void
-software_imbe_decoder::decode_vuv(int K)
-{
- int bee1, ell, kay;
- bee1 = bee[1];
- for(ell = 1; ell <= L; ell++) {
- if(ell <= 36)
- kay =(ell + 2) / 3;
- else
- kay = 12;
-
- //vee(ell, New) = (bee1 \(2 ^(K - kay))) - 2 *(bee1 \(2 ^(K + 1 - kay)))
- vee[ell][ New] = ((bee1 & (1 << (K - kay))) > 0) ? 1 : 0;
- }
-}
-
-void
-software_imbe_decoder::enhance_spectral_amplitudes(float& SE)
-{
- float RM0;
- float RM1;
- float Tmp;
- float K1;
- float K2;
- float K3;
- float W;
- int ell;
-
- RM0 = 0; RM1 = 0;
- for(ell = 1; ell <= L; ell++) {
- Tmp = powf(Mu[ell][ New] , 2);
- RM0 = RM0 + Tmp;
- RM1 = RM1 + Tmp * cos(w0 * ell);
- }
-
- K1 = .96 * M_PI /(w0 * RM0 *(powf(RM0 , 2) - powf(RM1 , 2)));
- K2 = powf(RM0 , 2) + powf(RM1 , 2);
- K3 = 2 * RM0 * RM1;
-
- Tmp = 0;
- for(ell = 1; ell <= L; ell++) {
- W = sqrt(Mu[ell][ New]) * powf((K1 *(K2 - K3 * cos(w0 * ell))) , .25);
- if((8 * ell) <= L)
- M[ell][ New] = Mu[ell][ New];
- else if(W > 1.2)
- M[ell][ New] = Mu[ell][ New] * 1.2;
- else if(W < .5)
- M[ell][ New] = Mu[ell][ New] * .5;
- else
- M[ell][ New] = Mu[ell][ New] * W;
- Tmp = Tmp + powf(M[ell][ New] , 2);
- }
-
- Tmp = sqrt(RM0 / Tmp);
-
- for(ell = 1; ell <= L; ell++) {
- M[ell][ New] = M[ell][ New] * Tmp;
- }
-
- // update SE
- SE = .95 * SE + .05 * RM0; if(SE < 10000) SE = 10000;
-
-}
-
-void
-software_imbe_decoder::ifft(float FDi[], float FDq[], float TD[]) // ToDo: replace "real IFFT" with fftw3 IFFT proc!
-{
- //Inverse FFT:
- // transform 129-point freq domain(FDx) to 256-point time domain(TD)
-
- float Ai[128];
- float Aq[128];
-
- int I;
- int J;
- int K;
- int H;
- float l_Ui, l_Uq, Si, Sq, Ti, Tq, Xi, Xq;
-
- for(I = 0; I <= 63; I++) {
- J = I + 64; //64 to 127
- K = I * 2; //0 to 126(step 2)
- H = 128 - K; //128 to 2(step 2)
- Ai[I] = FDi[K] + FDq[K];
- Aq[I] = FDi[K + 1] + FDq[K + 1];
- Ai[J] = FDi[H] - FDq[H];
- Aq[J] = FDi[H - 1] - FDq[H - 1];
- }
-
- fft(Ai, Aq);
-
- for(I = 1; I <= 63; I++) {
- J = 128 - I; //127 to 65
- K = I + 128; //129 to 191
- H = J + 128; //255 to 193
- FDi[K] = (Aq[I] + Aq[J]) / 2;
- FDi[H] = FDi[K] ; //a
- FDq[K] = -(Ai[I] - Ai[J]) / 2;
- FDq[H] = -FDq[K] ; //b
- FDi[I] = (Ai[I] + Ai[J]) / 2;
- FDi[J] = FDi[I] ; //c
- FDq[I] = (Aq[I] - Aq[J]) / 2;
- FDq[J] = -FDq[I] ; //d
- }
-
- // I,J=64 K,H=192
- FDi[192] = Aq[64]; //a
- FDq[192] = 0 ; //b
- FDi[64] = Ai[64] ; //c (new)
- FDq[64] = 0 ; //d
-
- //I=0 J,K=128 H=256 ( Ax(128) wraps to Ax(0))
- FDi[128] = Aq[0] ; //a
- FDq[128] = 0 ; //b
- FDi[0] = Ai[0] ; //c (new)
- FDq[0] = 0 ; //d
-
- l_Ui = 1; l_Uq = 0;
- Si = cos(M_PI / 128); Sq = -sin(M_PI / 128);
- for(I = 0; I <= 127; I++) {
- J = I + 128 ; //128 TO 255
-
- Ti = FDi[J] * l_Ui - FDq[J] * l_Uq; Xi = FDi[I];
- Tq = FDi[J] * l_Uq + FDq[J] * l_Ui; Xq = FDq[I];
-
-
- TD[I + 128] =((Xi + Ti) -(Xq + Tq));
- TD[I ] =((Xi - Ti) -(Xq - Tq));
-
- Ti = l_Ui;
- l_Ui = Ti * Si - l_Uq * Sq;
- l_Uq = Ti * Sq + l_Uq * Si;
- }
-}
-
-uint16_t
-software_imbe_decoder::rearrange(uint32_t u0, uint32_t u1, uint32_t u2, uint32_t u3, uint32_t u4, uint32_t u5, uint32_t u6, uint32_t u7)
-{
- int K;
- int I, ubit, Seq, col;
-
- bee[0] =((u0 / 16) & 0xfc) |((u7 / 2) & 3);
-
- w0 = 4 * M_PI /(bee[0] + 39.5);
-
- L =(int)(.9254 * floorf((M_PI / w0) + .25)); if(L < 9 || L > 56) exit(2);
-
- if( L > 36) {
- K = 12;
- } else {
- K =((L + 2) / 3);
- if(K > 12)
- exit(3);
- }
-
- for(I = 1; I <= L + 1; I++) { bee[I] = 0; }
-
- bee[2] =(u0 & 56) |((u7 / 8) & 1);
-
-
- Seq =(L - 9) * 75;
-
- ubit = 4;
- for(I = 0; I <= 2; I++) {
- if( u0 & ubit) {
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- ubit = 2048;
- for(I = 0; I <= 11; I++) {
- if(u1 & ubit){
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1; ubit = ubit / 2;
- }
-
- ubit = 2048;
- for(I = 0; I <= 11; I++) {
- if(u2 & ubit){
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- ubit = 2048;
- for(I = 0; I <= 11; I++) {
- if(u3 & ubit) {
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- ubit = 1024;
- for(I = 0; I <= 10; I++) {
- if(u4 & ubit) {
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- ubit = 1024;
- for(I = 0; I <= 10; I++) {
- if(u5 & ubit) {
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- ubit = 1024;
- for(I = 0; I <= 10; I++) {
- if(u6 & ubit){
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- ubit = 64;
- for(I = 4; I <= 6; I++) {
- if(u7 & ubit) {
- col = BMTn[Seq];
- bee[col] = bee[col] + BMTb[Seq];
- }
- Seq = Seq + 1;
- ubit = ubit / 2;
- }
-
- return K;
-}
-
-void
-software_imbe_decoder::synth_unvoiced()
-{
- float Uwi[256];
- float Uwq[256];
- float uw[256];
-
- float Tmp;
-
- int ell, bl, em, al, en;
-
- ell = 0; bl =(int) ceilf(128 / M_PI *(ell + .5) * w0);
- for(em = 0; em <= bl - 1; em++) {
- Uwi[em] = 0; Uwq[em] = 0;
- }
-
- Luv = 0;
- for(ell = 1; ell <= L; ell++) {
- al = bl; bl =(int) ceilf(128 / M_PI * (ell + .5) * w0);
- if(vee[ell][New]) {
- // FOR em = al TO bl - 1
- for(em = al; em <= bl - 1; em++) {
- Uwi[em] = 0; Uwq[em] = 0;
- }
- } else {
- Luv = Luv + 1;
- //precompute Tmp = <most of big hairy equation>
- Tmp = 0;
- // FOR en = al TO bl - 1
- for(en = al; en <= bl - 1; en++) {
- Tmp += powf(Ui[en], 2) + pow(Uq[en], 2);
- }
- Tmp = M[ell][New] / sqrt(Tmp /(bl - al)); //too loud with 146.6433 factor
- //now do the rest of b.h.e.
- for(em = al; em <= bl - 1; em++) {
- Uwi[em] =(Ui[em]) * Tmp;
- Uwq[em] =(Uq[em]) * Tmp;
- }
- }
- }
- // finally do over-freq
- // FOR em = bl TO 128
- for(em = bl; em <= 128; em++) {
- Uwi[em] = 0; Uwq[em] = 0;
- }
-
- ifft(Uwi, Uwq, uw);
-
- // ws(n)*uw(n,-1) + ws(n-159)*uw(n-159,0) uw(-128 to 127)
- //suv(n) = --------------------------------------
- // (ws(n)^2) +(ws(n-159)^2) ws(-105 to 105)
-
- for(en = 0; en <= 55; en++) {
- suv[en] = Olduw[en+128];
- }
- for(en = 56; en <= 104; en++) {
- suv[en] =(ws[en+105] * Olduw[en+128] + ws[en - 55] * uw[en - 32]) * woaa[en];
- }
- for(en = 105; en <= 159; en++) {
- suv[en] = uw[en - 32];
- }
-
- for(en = -128; en <= 127; en++) {
- Olduw[en+128] = uw[en+128];
- }
-}
-
-void
-software_imbe_decoder::synth_voiced()
-{
- float MaxL;
- float Tmp;
- float Dpl;
- float Dwl;
- float THa;
- float THb;
- float MNew;
- float MOld;
- float Mb;
-
- int ell, en;
-
- if( L > OldL) {
- MaxL = L;
- } else {
- MaxL = OldL;
- }
-
- psi1 = psi1 +(Oldw0 + w0) * 80;
- psi1 = remainderf(psi1, 2 * M_PI); // ToDo: decide if its 2pi or pi^2
-
- for(ell = 1; ell <= L/4; ell++) {
- phi[ell][ New] = psi1 * ell;
- }
- Tmp = Luv / L;
- for(; ell <= MaxL; ell++) {
- phi[ell][ New] = psi1 * ell + Tmp * PhzNz[ell];
- }
-
- for(en = 0; en <= 159; en++) {
- sv[en] = 0;
- }
-
- for(ell = 1; ell <= MaxL; ell++) {
-
- if(ell > L) {
- MNew = 0;
- } else {
- MNew = M[ell][ New];
- }
-
- if(ell > OldL) {
- MOld = 0;
- } else {
- MOld = M[ell][ Old];
- }
-
- if(vee[ell][ New]) {
- if ( vee[ell][ Old]) {
- if(ell < 8 && fabsf(w0 - Oldw0) < .1 * w0) { // (fine transition)
- const double PI_SQUARED = M_PI * M_PI;
- const double INV_PI_SQUARED = 1.0 / PI_SQUARED;
- Dpl = phi[ell][ New] - phi[ell][ Old] -(Oldw0 + w0) * ell * 80;
- Dwl = .00625 * (Dpl - PI_SQUARED * floorf((Dpl + M_PI) * INV_PI_SQUARED));
- THa = (Oldw0 * (float)ell + Dwl);
- THb = (w0 - Oldw0) * ell * .003125;
- Mb = .00625 *(MNew - MOld);
- for(en = 0; en <= 159; en++) {
- sv[en] = sv[en] +(MOld + en * Mb) * cos(phi[ell][ Old] +(THa + THb * en) * en);
- }
- } else { // (coarse transition)
- for(en = 0; en <= 55; en++) {
- sv[en] = sv[en] + ws[en+105] * MOld * cos(Oldw0 * en * ell + phi[ell] [ Old]);
- }
- for(en = 56; en <= 105; en++) {
- sv[en] = sv[en] + ws[en+105] * MOld * cos(Oldw0 * en * ell + phi[ell][ Old]);
- sv[en] = sv[en] + ws[en-55] * MNew * cos(w0 *(en - 160) * ell + phi[ell][ New]);
- }
- for(en = 106; en <= 159; en++) {
- sv[en] = sv[en] + ws[en-55] * MNew * cos(w0 *(en - 160) * ell + phi[ell][ New]);
- }
- }
- } else {
- for(en = 56; en <= 159; en++) {
- sv[en] = sv[en] + ws[en-55] * MNew * cos(w0 *(en - 160) * ell + phi[ell][ New]);
- }
- }
- } else {
- if( vee[ell][Old]) {
- for(en = 0; en <= 105; en++) {
- sv[en] = sv[en] + ws[en+105] * MOld * cos(Oldw0 * en * ell + phi[ell][ Old]);
- }
- }
- }
- }
-}
-
diff --git a/decoder/src/lib/software_imbe_decoder.h b/decoder/src/lib/software_imbe_decoder.h deleted file mode 100644 index 4ef515f..0000000 --- a/decoder/src/lib/software_imbe_decoder.h +++ /dev/null @@ -1,101 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2008-2009 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. - */ - -#ifndef INCLUDED_SOFTWARE_IMBE_DECODER_H -#define INCLUDED_SOFTWARE_IMBE_DECODER_H - -#include <imbe_decoder.h> - -#include <stdint.h> - -/** - * A software implementation of the imbe_decoder interface. - */ -class software_imbe_decoder : public imbe_decoder { -public: - - /** - * Default constructor for the software_imbe_decoder. - */ - software_imbe_decoder(); - - /** - * Destructor for the software_imbe_decoder. - */ - virtual ~software_imbe_decoder(); - - /** - * Decode the compressed audio. - * - * \cw in IMBE codeword (including parity check bits). - */ - virtual void decode(const voice_codeword& cw); - -private: - - //NOTE: Single-letter variable names are upper case only; Lower - // case if needed is spelled. e.g. L, ell - - // global Seq ER ? - - int bee[58]; //Encoded Spectral Amplitudes - float M[57][2]; //Enhanced Spectral Amplitudes - float Mu[57][2]; //Unenhanced Spectral Amplitudes - int vee[57][2]; //V/UV decisions - float suv[160]; //Unvoiced samples - float sv[160]; //Voiced samples - float log2Mu[58][2]; - float Olduw[256]; - float psi1; - float phi[57][2]; - - int Old; - int New; - int L; - int OldL; - float w0; - float Oldw0; - float Luv; //number of unvoiced spectral amplitudes - - char sym_b[4096]; - char RxData[4096]; - int sym_bp; - int ErFlag; - - uint32_t pngen15(uint32_t& pn); - uint32_t pngen23(uint32_t& pn); - void decode_audio(uint8_t *); - void decode_spectral_amplitudes(int, int ); - void decode_vuv(int ); - void adaptive_smoothing(float, float, float ); - void fft(float i[], float q[]); - void enhance_spectral_amplitudes(float&); - void ifft(float i[], float q[], float[]); - uint16_t rearrange(uint32_t u0, uint32_t u1, uint32_t u2, uint32_t u3, uint32_t u4, uint32_t u5, uint32_t u6, uint32_t u7); - void synth_unvoiced(); - void synth_voiced(); - void unpack(uint8_t *buf, uint32_t& u0, uint32_t& u1, uint32_t& u2, uint32_t& u3, uint32_t& u4, uint32_t& u5, uint32_t& u6, uint32_t& u7, uint32_t& E0, uint32_t& ET); -}; - - -#endif /* INCLUDED_SOFTWARE_IMBE_DECODER_H */ diff --git a/decoder/src/lib/tdu.cc b/decoder/src/lib/tdu.cc deleted file mode 100644 index e5cfdde..0000000 --- a/decoder/src/lib/tdu.cc +++ /dev/null @@ -1,84 +0,0 @@ -/* -*- 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 <itpp/base/vec.h> -#include <itpp/comm/reedsolomon.h> -#include <tdu.h> -#include <op25_yank.h> - -using std::string; - -tdu::tdu(const_bit_queue& frame_body, bool has_link_control) : - abstract_data_unit(frame_body), - d_has_link_control(has_link_control) -{ -} - -tdu::~tdu() -{ -} - -string -tdu::duid_str() const -{ - return string("TDU"); -} - -void -tdu::do_correct_errors(bit_vector& frame) -{ - if(d_has_link_control) { - apply_golay_correction(frame); - apply_rs_correction(frame); - } -} - -void -tdu::apply_golay_correction(bit_vector& frame) -{ -} - -void -tdu::apply_rs_correction(bit_vector& frame) -{ -#if 0 - static itpp::Reed_Solomon rs(63, 17, true); - itpp::bvec b(70); - swab(frame, 114, 122, b, 0); - swab(frame, 122, 126, b, 8); - swab(frame, 138, 142, b, 12); - swab(frame, 144, 152, b, 16); - swab(frame, 164, 176, b, 24); - swab(frame, 188, 200, b, 36); - swab(frame, 212, 213, b, 48); - swab(frame, 216, 226, b, 50); - swab(frame, 238, 250, b, 60); - itpp::bvec bd(rs.decode(b)); -#endif -} - -uint16_t -tdu::frame_size_max() const -{ - return d_has_link_control ? 432 : 144; -} diff --git a/decoder/src/lib/tdu.h b/decoder/src/lib/tdu.h deleted file mode 100644 index bb5c678..0000000 --- a/decoder/src/lib/tdu.h +++ /dev/null @@ -1,99 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_TDU_H -#define INCLUDED_TDU_H - -#include <abstract_data_unit.h> - -/** - * P25 terminator data unit (TDU). - */ -class tdu : public abstract_data_unit -{ -public: - - /** - * tdu constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - * \param has_link_control true if frame has link control data, otherwise false. - */ - tdu(const_bit_queue& frame_body, bool has_link_control); - - /** - * tdu constructor. - */ - virtual ~tdu(); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string duid_str() const; - -protected: - - /** - * Applies error correction code to the specified bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void do_correct_errors(bit_vector& frame_body); - - /** - * Apply Golay error correction code to the specified bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void apply_golay_correction(bit_vector& frame_body); - - /** - * Apply Reed-Solomon error correction code to the specified - * bit_vector. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void apply_rs_correction(bit_vector& frame_body); - - /** - * Returns the expected size (in bits) of this data unit in - * bits. For variable-length data this should return UINT16_MAX - * until the actual length of this frame is known. - * - * \return The expected size (in bits) of this data_unit when encoded. - */ - virtual uint16_t frame_size_max() const; - -private: - - /** - * Does this TDU have a link_control field? - */ - bool d_has_link_control; - -}; - -#endif /* INCLUDED_TDU_H */ diff --git a/decoder/src/lib/tsbk.cc b/decoder/src/lib/tsbk.cc deleted file mode 100644 index 7320ace..0000000 --- a/decoder/src/lib/tsbk.cc +++ /dev/null @@ -1,52 +0,0 @@ -/* -*- 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 <tsbk.h> - -using namespace std; - -tsbk::tsbk(const_bit_queue& frame_body) : - abstract_data_unit(frame_body) -{ -} - -tsbk::~tsbk() -{ -} - -string -tsbk::duid_str() const -{ - return string("TSBK"); -} - -uint16_t -tsbk::frame_size_max() const -{ -#if 1 - return 720; -#else - // todo: check this out! - return 358; -#endif -} diff --git a/decoder/src/lib/tsbk.h b/decoder/src/lib/tsbk.h deleted file mode 100644 index 08e1001..0000000 --- a/decoder/src/lib/tsbk.h +++ /dev/null @@ -1,66 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_TSBK_H -#define INCLUDED_TSBK_H - -#include <abstract_data_unit.h> - -/** - * P25 trunking signalling block (TSBK). - */ -class tsbk : public abstract_data_unit -{ - -public: - - /** - * tsbk constructor. - * - * \param frame_body A const_bit_queue representing the frame body. - */ - tsbk(const_bit_queue& frame_body); - - /** - * tsbk virtual destructor. - */ - virtual ~tsbk(); - - /** - * Returns a string describing the Data Unit ID (DUID). - */ - std::string duid_str() const; - -protected: - - /** - * Returns the expected size (in bits) of this data unit in - * bits. - * - * \return The expected size (in bits) of this data_unit when encoded. - */ - virtual uint16_t frame_size_max() const; - -}; - -#endif /* INCLUDED_TSBK_H */ diff --git a/decoder/src/lib/value_string.cc b/decoder/src/lib/value_string.cc deleted file mode 100644 index fdaf7c3..0000000 --- a/decoder/src/lib/value_string.cc +++ /dev/null @@ -1,116 +0,0 @@ -/* -*- 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 <iomanip> -#include <sstream> -#include <value_string.h> - -using namespace std; - -struct value_string { - uint16_t value; - const char *label; -}; - -string -lookup(uint16_t value, const value_string mappings[], size_t mappings_sz) -{ - for(size_t i = 0; i < mappings_sz; ++i) { - if(mappings[i].value == value) { - return mappings[i].label; - } - } - ostringstream os; - os << "Unknown (" << hex << showbase << value << ")"; - return os.str(); -} - -const value_string ALGIDS[] = { - /* Type I */ - { 0x00, "ACCORDION 1.3" }, - { 0x01, "BATON (Auto Even)" }, - { 0x02, "FIREFLY Type 1" }, - { 0x03, "MAYFLY Type 1" }, - { 0x04, "SAVILLE" }, - { 0x41, "BATON (Auto Odd)" }, - /* Type III */ - { 0x80, "Plain" }, - { 0x81, "DES-OFB" }, - { 0x82, "2 key Triple DES" }, - { 0x83, "3 key Triple DES" }, - { 0x84, "AES-256" }, - /* Motorola proprietary */ - { 0x9F, "Motorola DES-XL" }, - { 0xA0, "Motorola DVI-XL" }, - { 0xA1, "Motorola DVP-XL" }, - { 0xAA, "Motorola ADP" }, -}; -const size_t ALGIDS_SZ = sizeof(ALGIDS) / sizeof(ALGIDS[0]); - - -const value_string MFIDS[] = { - { 0x00, "Standard MFID (pre-2001)" }, - { 0x01, "Standard MFID (post-2001)" }, - { 0x09, "Aselsan Inc." }, - { 0x10, "Relm / BK Radio" }, - { 0x18, "EADS Public Safety Inc." }, - { 0x20, "Cycomm" }, - { 0x28, "Efratom Time and Frequency Products, Inc" }, - { 0x30, "Com-Net Ericsson" }, - { 0x34, "Etherstack" }, - { 0x38, "Datron" }, - { 0x40, "Icom" }, - { 0x48, "Garmin" }, - { 0x50, "GTE" }, - { 0x55, "IFR Systems" }, - { 0x5A, "INIT Innovations in Transportation, Inc" }, - { 0x60, "GEC-Marconi" }, - { 0x64, "Harris Corp." }, - { 0x68, "Kenwood Communications" }, - { 0x70, "Glenayre Electronics" }, - { 0x74, "Japan Radio Co." }, - { 0x78, "Kokusai" }, - { 0x7C, "Maxon" }, - { 0x80, "Midland" }, - { 0x86, "Daniels Electronics Ltd." }, - { 0x90, "Motorola" }, - { 0xA0, "Thales" }, - { 0xA4, "M/A-COM" }, - { 0xB0, "Raytheon" }, - { 0xC0, "SEA" }, - { 0xC8, "Securicor" }, - { 0xD0, "ADI" }, - { 0xD8, "Tait Electronics" }, - { 0xE0, "Teletec" }, - { 0xF0, "Transcrypt International" }, - { 0xF8, "Vertex Standard" }, - { 0xFC, "Zetron, Inc" }, -}; -const size_t MFIDS_SZ = sizeof(MFIDS) / sizeof(MFIDS[0]); - -const value_string NACS[] = { - { 0x293, "Default NAC" }, - { 0xF7E, "Receiver to open on any NAC" }, - { 0xF7F, "Repeater to receive and retransmit any NAC" }, -}; -const size_t NACS_SZ = sizeof(NACS) / sizeof(NACS[0]); diff --git a/decoder/src/lib/value_string.h b/decoder/src/lib/value_string.h deleted file mode 100644 index f8c686e..0000000 --- a/decoder/src/lib/value_string.h +++ /dev/null @@ -1,49 +0,0 @@ -/* -*- 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. -*/ - -#ifndef INCLUDED_VALUE_STRING -#define INCLUDED_VALUE_STRING - -#include <stdint.h> -#include <string> - -/* - * Look up a value in a value_string array. - * - */ -extern std::string lookup(uint16_t value, const class value_string mappings[], size_t mappings_sz); - -/* - * Look up tables. - */ - -extern const value_string ALGIDS[]; -extern const size_t ALGIDS_SZ; - -extern const value_string MFIDS[]; -extern const size_t MFIDS_SZ; - -extern const value_string NACS[]; -extern const size_t NACS_SZ; - -#endif // INCLUDED_VALUE_STRING diff --git a/decoder/src/lib/vc55_imbe_decoder.cc b/decoder/src/lib/vc55_imbe_decoder.cc deleted file mode 100644 index 6ba8663..0000000 --- a/decoder/src/lib/vc55_imbe_decoder.cc +++ /dev/null @@ -1,87 +0,0 @@ -/* -*- 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 <cerrno> -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include <fcntl.h> -#include <sstream> -#include <stdexcept> -#include <stdint.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <termios.h> -#include <vc55_imbe_decoder.h> -#include <op25_yank.h> - -using namespace std; - -vc55_imbe_decoder::vc55_imbe_decoder() -{ - const char *dev = getenv("IMBE_DEV"); - const char *default_dev = "/dev/ttyS0"; - dev = dev ? dev : default_dev; - d_fd = open(dev, O_WRONLY | O_NOCTTY); - if(-1 != d_fd) { - struct termios options; - if(-1 != tcgetattr(d_fd, &options)) { - cfsetospeed(&options, B115200); - options.c_cflag |= (CLOCAL | CREAD | CS8); - options.c_cflag &= ~(CSTOPB | PARENB | CRTSCTS | IXON); - if(-1 == tcsetattr(d_fd, TCSANOW, &options)) { - ostringstream msg; - msg << "tcsetattr(fd, TCSANOW, &options): " << strerror(errno) << endl; - msg << "func: " << __PRETTY_FUNCTION__ << endl; - msg << "file: " << __FILE__ << endl; - msg << "line: " << __LINE__ << endl; - throw runtime_error(msg.str()); - } - } - } else { - perror("open(dev, O_WRONLY | O_NOCTTY)"); // a warning, not an error - } -} - -vc55_imbe_decoder::~vc55_imbe_decoder() -{ - if(-1 != d_fd) { - close(d_fd); - } -} - -void -vc55_imbe_decoder::decode(const voice_codeword& cw) -{ - if(-1 != d_fd) { - uint8_t packet[20]; - packet[0] = 0x56; - packet[1] = 0xf0; - extract(cw, 0, 144, &packet[2]); - if(-1 == write(d_fd, packet, sizeof(packet))) { - perror("write(d_fd, packet, sizeof(packet))"); - close(d_fd); - d_fd = -1; - } - } -} diff --git a/decoder/src/lib/vc55_imbe_decoder.h b/decoder/src/lib/vc55_imbe_decoder.h deleted file mode 100644 index 7d0b38f..0000000 --- a/decoder/src/lib/vc55_imbe_decoder.h +++ /dev/null @@ -1,64 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_VC55_IMBE_DECODER_H -#define INCLUDED_VC55_IMBE_DECODER_H - -#include <imbe_decoder.h> - -/** - * vc55_imbe_decoder uses the VC55PR vocoder to decode voice. Note - * that the VC55 produces audio but this is not fed back to the flow - * graph. - * - */ -class vc55_imbe_decoder : public imbe_decoder { -public: - - /** - * vc55_imbe_decoder default constructor. - */ - vc55_imbe_decoder(); - - /** - * vc55_imbe_decoder (virtual) destructor. - */ - virtual ~vc55_imbe_decoder(); - - /** - * Passess the voice_codeword in_out to the VC55PR device. - * - * \param cw IMBE codewords and parity. - */ - virtual void decode(const voice_codeword& cw); - -private: - - /** - * File descriptor for the actual terminal device. - */ - int32_t d_fd; - -}; - -#endif /* INCLUDED_VC55_IMBE_DECODER_H */ diff --git a/decoder/src/lib/voice_data_unit.cc b/decoder/src/lib/voice_data_unit.cc deleted file mode 100644 index adb20ff..0000000 --- a/decoder/src/lib/voice_data_unit.cc +++ /dev/null @@ -1,58 +0,0 @@ -/* -*- 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 <sstream> -#include <voice_data_unit.h> -#include <op25_imbe_frame.h> - -using namespace std; - -voice_data_unit::~voice_data_unit() -{ -} - -voice_data_unit::voice_data_unit(const_bit_queue& frame_body) : - abstract_data_unit(frame_body) -{ -} - -void -voice_data_unit::do_correct_errors(bit_vector& frame_body) -{ -} - -void -voice_data_unit::do_decode_audio(const_bit_vector& frame_body, imbe_decoder& imbe) -{ - voice_codeword cw(voice_codeword_sz); - for(size_t i = 0; i < nof_voice_codewords; ++i) { - imbe_deinterleave(frame_body, cw, i); - imbe.decode(cw); - } -} - -uint16_t -voice_data_unit::frame_size_max() const -{ - return 1728; -} diff --git a/decoder/src/lib/voice_data_unit.h b/decoder/src/lib/voice_data_unit.h deleted file mode 100644 index 5f2494f..0000000 --- a/decoder/src/lib/voice_data_unit.h +++ /dev/null @@ -1,79 +0,0 @@ -/* -*- 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. - */ - -#ifndef INCLUDED_VOICE_DATA_UNIT_H -#define INCLUDED_VOICE_DATA_UNIT_H - -#include <abstract_data_unit.h> - -/** - * P25 Logical Data Unit 1 (compressed IBME voice). - */ -class voice_data_unit : public abstract_data_unit -{ -public: - - /** - * voice_data_unit (virtual) destuctor - */ - virtual ~voice_data_unit(); - -protected: - - /** - * voice_data_unit constuctor - * - * \param frame_body A const_bit_queue representing the frame body. - */ - voice_data_unit(const_bit_queue& frame_body); - - /** - * Applies error correction code to the specified bit_vector. Not - * that this function removes the PN sequences from the source - * frame. - * - * \param frame_body The bit vector to decode. - * \return - */ - virtual void do_correct_errors(bit_vector& frame_body); - - /** - * Decode compressed audio using the supplied imbe_decoder. - * - * \param frame_body The const_bit_vector to decode. - * \param imbe The imbe_decoder to use to generate the audio. - */ - virtual void do_decode_audio(const_bit_vector& frame_body, imbe_decoder& imbe); - - /** - * Returns the expected size (in bits) of this data_unit. For - * variable-length data this should return UINT16_MAX until the - * actual length of this frame is known. - * - * \return The expected size (in bits) of this data_unit when encoded. - */ - virtual uint16_t frame_size_max() const; - -}; - -#endif /* INCLUDED_VOICE_DATA_UNIT_H */ diff --git a/decoder/src/lib/voice_du_handler.cc b/decoder/src/lib/voice_du_handler.cc deleted file mode 100644 index 816b1b2..0000000 --- a/decoder/src/lib/voice_du_handler.cc +++ /dev/null @@ -1,47 +0,0 @@ -/* -*- 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 <voice_du_handler.h> - -#include <cstdio> -#include <stdint.h> - -using namespace std; - -voice_du_handler::voice_du_handler(data_unit_handler_sptr next, imbe_decoder_sptr decoder) : - data_unit_handler(next), - d_decoder(decoder) -{ -} - - -voice_du_handler::~voice_du_handler() -{ -} - -void -voice_du_handler::handle(data_unit_sptr du) -{ - du->decode_audio(*d_decoder); - data_unit_handler::handle(du); -} diff --git a/decoder/src/lib/voice_du_handler.h b/decoder/src/lib/voice_du_handler.h deleted file mode 100644 index f826e50..0000000 --- a/decoder/src/lib/voice_du_handler.h +++ /dev/null @@ -1,69 +0,0 @@ -/* -*- C++ -*- */ - -/* - * Copyright 2009 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. -*/ - -#ifndef INCLUDED_VOICE_DU_HANDLER_H -#define INCLUDED_VOICE_DU_HANDLER_H - -#include <data_unit_handler.h> -#include <imbe_decoder.h> - -#include <boost/noncopyable.hpp> - -/** - * voice_data_unit_handler performs IMBE decoding. - */ -class voice_du_handler : public data_unit_handler -{ - -public: - - /** - * voice_du_handler constructor. - * - * \param next The next data_unit_handler in the chain. - * \param decoder An imbe_decoder_sptr to the IMBE decoder to use. - */ - voice_du_handler(data_unit_handler_sptr next, imbe_decoder_sptr decoder); - - /** - * voice_du_handler virtual destructor. - */ - virtual ~voice_du_handler(); - - /** - * Handle a received P25 frame. - * - * \param next The next data_unit_handler in this chain. - */ - virtual void handle(data_unit_sptr du); - -private: - - /** - * The IMBE decder to use. - */ - imbe_decoder_sptr d_decoder; - -}; - -#endif /* INCLUDED_VOICE_DU_HANDLER_H */ |