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https://gitee.com/xia-chu/ZLMediaKit.git
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51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ZLMEDIAKIT_FILEREADER_H
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#define ZLMEDIAKIT_FILEREADER_H
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#include <stdlib.h>
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#include <memory>
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#include "Network/Buffer.h"
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using namespace std;
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using namespace toolkit;
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class FileReader {
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public:
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typedef std::shared_ptr<FileReader> Ptr;
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FileReader(const std::shared_ptr<FILE> &fp,uint64_t offset,uint64_t max_size);
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~FileReader();
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Buffer::Ptr read(int size);
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private:
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std::shared_ptr<FILE> _fp;
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uint64_t _max_size;
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uint64_t _read_offset = 0;
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std::shared_ptr<char> _map_addr;
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};
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#endif //ZLMEDIAKIT_FILEREADER_H
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