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63 lines
1.9 KiB
C++
63 lines
1.9 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 _SmackerFileStream_h_
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#define _SmackerFileStream_h_
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#include <stdint.h>
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#include "files.h"
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namespace SmackerCommon {
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class FileStream
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{
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public:
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bool Open(const char *fileName);
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bool Is_Open() { return file.isOpen(); }
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void Close() { file.Close(); }
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int32_t ReadBytes(uint8_t *data, uint32_t nBytes)
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{
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return (uint32_t)file.Read(data, static_cast<int32_t>(nBytes));
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}
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uint64_t ReadUint64LE() { return file.ReadUInt64(); }
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uint32_t ReadUint32LE() { return file.ReadUInt32(); }
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uint16_t ReadUint16LE() { return file.ReadUInt16(); }
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uint8_t ReadByte() { return file.ReadInt8(); }
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enum SeekDirection{
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kSeekCurrent = SEEK_CUR,
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kSeekStart = SEEK_SET,
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kSeekEnd = SEEK_END
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};
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int32_t Seek(int32_t offset, SeekDirection dir = kSeekStart) { return (int)file.Seek(offset, (FileReader::ESeek) dir); }
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int32_t Skip(int32_t offset) { return (int)Seek(offset, kSeekCurrent); }
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int32_t GetPosition() { return (int)file.Tell(); }
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private:
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FileReader file;
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};
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} // close namespace SmackerCommon
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#endif
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