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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* libsmackerdec - Smacker video decoder
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* Copyright (C) 2011 Barry Duncan
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*
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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 2.1 of the License, or (at your option) any later version.
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*
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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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*
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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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*/
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#ifndef _SmackerBitReader_h_
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#define _SmackerBitReader_h_
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#include <stdint.h>
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#include "FileStream.h"
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#include "tarray.h"
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namespace SmackerCommon {
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class BitReader
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{
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public:
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BitReader(const uint8_t *data, uint32_t size) : bitData(data), totalSize(size) { }
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~BitReader() = default;
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uint32_t GetBit();
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uint32_t GetBits(uint32_t n);
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void SkipBits(uint32_t n);
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uint32_t GetSize();
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uint32_t GetPosition();
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private:
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const uint8_t *bitData = nullptr;
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uint32_t totalSize = 0;
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uint32_t currentOffset = 0;
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uint32_t bytesRead = 0;
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};
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} // close namespace SmackerCommon
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#endif
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