110 lines
2.3 KiB
C++
110 lines
2.3 KiB
C++
#ifndef MP3_HPP
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#define MP3_HPP
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//______________________________________________________________________________
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//
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// MP3.hpp
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//
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//______________________________________________________________________________
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//
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#pragma warning(disable:4786)
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#include "mp3header.hpp"
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#include <windows.h>
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#include <string>
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#include <exception>
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#include <iosfwd>
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namespace MP3
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{
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//______________________________________________________________________________
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//
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typedef __int64 offset_t;
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//--------------------------------------
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class Exception : public std::exception
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{
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public:
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Exception(DWORD dwMessage);
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Exception(const char* szMessage);
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const char* what() const;
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private:
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std::string m_strMessage;
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};
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//--------------------------------------
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struct Header
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{
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unsigned long m_ulChannels;
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unsigned long m_ulSamplesPerSecond;
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unsigned long m_ulSamplesPerBlock;
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unsigned long m_ulBytesPerBlock;
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unsigned long m_ulBlocks;
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void clear();
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};
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std::ostream& operator<<(std::ostream& os, const Header& h);
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//--------------------------------------
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class File
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{
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public:
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enum mode_t {in, out, inout};
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File();
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File(const char* szName, mode_t mode);
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~File();
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void open(const char* szName, mode_t mode, DWORD dwFlags = 0);
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void close();
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bool isOpen() const;
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bool eof() const;
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const char* name() const;
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mode_t mode() const;
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unsigned long channels() const;
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unsigned long samplesPerSecond() const;
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unsigned long samplesPerBlock() const;
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unsigned long bytesPerBlock() const;
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unsigned long blocks() const;
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const Header& header() const;
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void read(void* pBuffer, size_t size) const;
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void write(const void* pBuffer, size_t size);
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void seek(offset_t) const;
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private:
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File(const File& f); // Not implemented
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File& operator=(const File& f); // Not implemented
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int readHeader();
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offset_t size() const;
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offset_t tell() const;
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HANDLE m_handle;
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std::string m_strName;
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mode_t m_mode;
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Header m_header;
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offset_t m_fileSize;
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offset_t m_fileOffset;
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};
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} // namespace MP3
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#endif // MP3_HPP
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