/usr/include/liveMedia/BitVector.hh is in liblivemedia-dev 2016.02.09-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library 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 Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**********/
// "liveMedia"
// Copyright (c) 1996-2016 Live Networks, Inc. All rights reserved.
// Bit Vector data structure
// C++ header
#ifndef _BIT_VECTOR_HH
#define _BIT_VECTOR_HH
#ifndef _BOOLEAN_HH
#include "Boolean.hh"
#endif
class BitVector {
public:
BitVector(unsigned char* baseBytePtr,
unsigned baseBitOffset,
unsigned totNumBits);
void setup(unsigned char* baseBytePtr,
unsigned baseBitOffset,
unsigned totNumBits);
void putBits(unsigned from, unsigned numBits); // "numBits" <= 32
void put1Bit(unsigned bit);
unsigned getBits(unsigned numBits); // "numBits" <= 32
unsigned get1Bit();
Boolean get1BitBoolean() { return get1Bit() != 0; }
void skipBits(unsigned numBits);
unsigned curBitIndex() const { return fCurBitIndex; }
unsigned totNumBits() const { return fTotNumBits; }
unsigned numBitsRemaining() const { return fTotNumBits - fCurBitIndex; }
unsigned get_expGolomb();
// Returns the value of the next bits, assuming that they were encoded using an exponential-Golomb code of order 0
private:
unsigned char* fBaseBytePtr;
unsigned fBaseBitOffset;
unsigned fTotNumBits;
unsigned fCurBitIndex;
};
// A general bit copy operation:
void shiftBits(unsigned char* toBasePtr, unsigned toBitOffset,
unsigned char const* fromBasePtr, unsigned fromBitOffset,
unsigned numBits);
#endif
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