text: // Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  //
  // Use of this source code is governed by a BSD-style license
  // that can be found in the LICENSE file in the root of the source
  // tree. An additional intellectual property rights grant can be found
  // in the file PATENTS.  All contributing project authors may
  // be found in the AUTHORS file in the root of the source tree.
  
  #ifndef MKVREADER_HPP
  #define MKVREADER_HPP
  
  #include "mkvparser.hpp"
  #include <cstdio>
  
  namespace mkvparser {
  
  class MkvReader : public IMkvReader {
   public:
    MkvReader();
    explicit MkvReader(FILE* fp);
    virtual ~MkvReader();
  
    int Open(const char*);
    void Close();
  
    virtual int Read(long long position, long length, unsigned char* buffer);
    virtual int Length(long long* total, long long* available);
  
   private:
    MkvReader(const MkvReader&);
    MkvReader& operator=(const MkvReader&);
  
    // Determines the size of the file. This is called either by the constructor
    // or by the Open function depending on file ownership. Returns true on
    // success.
    bool GetFileSize();
  
    long long m_length;
    FILE* m_file;
    bool reader_owns_file_;
  };
  
  }  // end namespace mkvparser
  
  #endif  // MKVREADER_HPP
  