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#include "BitPumpMSB.h"
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RawSpeed - RAW file decoder.
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Copyright (C) 2009 Klaus Post
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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http://www.klauspost.com
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/*** Used for entropy encoded sections ***/
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BitPumpMSB::BitPumpMSB(ByteStream *s):
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buffer(s->getData()), size(s->getRemainSize() + sizeof(uint32)), mLeft(0), mCurr(0), off(0) {
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BitPumpMSB::BitPumpMSB(const uchar8* _buffer, uint32 _size) :
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buffer(_buffer), size(_size + sizeof(uint32)), mLeft(0), mCurr(0), off(0) {
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__inline void BitPumpMSB::init() {
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uint32 BitPumpMSB::getBitSafe() {
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return (mCurr >> (--mLeft)) & 1;
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uint32 BitPumpMSB::getBitsSafe(unsigned int nbits) {
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if (nbits > MIN_GET_BITS)
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throw IOException("Too many bits requested");
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return ((mCurr >> (mLeft -= (nbits)))) & ((1 << nbits) - 1);
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uchar8 BitPumpMSB::getByteSafe() {
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return ((mCurr >> (mLeft -= 8))) & 0xff;
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void BitPumpMSB::setAbsoluteOffset(unsigned int offset) {
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throw IOException("Offset set out of buffer");
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BitPumpMSB::~BitPumpMSB(void) {
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} // namespace RawSpeed
added
removed
src/rawspeed/RawSpeed/BitPumpMSB.cpp
