1*103e46e4SHarish Mahendrakar // Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2*103e46e4SHarish Mahendrakar // 3*103e46e4SHarish Mahendrakar // Use of this source code is governed by a BSD-style license 4*103e46e4SHarish Mahendrakar // that can be found in the LICENSE file in the root of the source 5*103e46e4SHarish Mahendrakar // tree. An additional intellectual property rights grant can be found 6*103e46e4SHarish Mahendrakar // in the file PATENTS. All contributing project authors may 7*103e46e4SHarish Mahendrakar // be found in the AUTHORS file in the root of the source tree. 8*103e46e4SHarish Mahendrakar #ifndef MKVPARSER_MKVREADER_H_ 9*103e46e4SHarish Mahendrakar #define MKVPARSER_MKVREADER_H_ 10*103e46e4SHarish Mahendrakar 11*103e46e4SHarish Mahendrakar #include <cstdio> 12*103e46e4SHarish Mahendrakar 13*103e46e4SHarish Mahendrakar #include "mkvparser/mkvparser.h" 14*103e46e4SHarish Mahendrakar 15*103e46e4SHarish Mahendrakar namespace mkvparser { 16*103e46e4SHarish Mahendrakar 17*103e46e4SHarish Mahendrakar class MkvReader : public IMkvReader { 18*103e46e4SHarish Mahendrakar public: 19*103e46e4SHarish Mahendrakar MkvReader(); 20*103e46e4SHarish Mahendrakar explicit MkvReader(FILE* fp); 21*103e46e4SHarish Mahendrakar virtual ~MkvReader(); 22*103e46e4SHarish Mahendrakar 23*103e46e4SHarish Mahendrakar int Open(const char*); 24*103e46e4SHarish Mahendrakar void Close(); 25*103e46e4SHarish Mahendrakar 26*103e46e4SHarish Mahendrakar virtual int Read(long long position, long length, unsigned char* buffer); 27*103e46e4SHarish Mahendrakar virtual int Length(long long* total, long long* available); 28*103e46e4SHarish Mahendrakar 29*103e46e4SHarish Mahendrakar private: 30*103e46e4SHarish Mahendrakar MkvReader(const MkvReader&); 31*103e46e4SHarish Mahendrakar MkvReader& operator=(const MkvReader&); 32*103e46e4SHarish Mahendrakar 33*103e46e4SHarish Mahendrakar // Determines the size of the file. This is called either by the constructor 34*103e46e4SHarish Mahendrakar // or by the Open function depending on file ownership. Returns true on 35*103e46e4SHarish Mahendrakar // success. 36*103e46e4SHarish Mahendrakar bool GetFileSize(); 37*103e46e4SHarish Mahendrakar 38*103e46e4SHarish Mahendrakar long long m_length; 39*103e46e4SHarish Mahendrakar FILE* m_file; 40*103e46e4SHarish Mahendrakar bool reader_owns_file_; 41*103e46e4SHarish Mahendrakar }; 42*103e46e4SHarish Mahendrakar 43*103e46e4SHarish Mahendrakar } // namespace mkvparser 44*103e46e4SHarish Mahendrakar 45*103e46e4SHarish Mahendrakar #endif // MKVPARSER_MKVREADER_H_ 46