winamp/Src/libvp6/include/MP3.hpp

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2024-09-24 12:54:57 +00:00
#ifndef MP3_HPP
#define MP3_HPP
//______________________________________________________________________________
//
// MP3.hpp
//
//______________________________________________________________________________
//
#pragma warning(disable:4786)
#include "mp3header.hpp"
#include <windows.h>
#include <string>
#include <exception>
#include <iosfwd>
namespace MP3
{
//______________________________________________________________________________
//
typedef __int64 offset_t;
//--------------------------------------
class Exception : public std::exception
{
public:
Exception(DWORD dwMessage);
Exception(const char* szMessage);
const char* what() const;
private:
std::string m_strMessage;
};
//--------------------------------------
struct Header
{
unsigned long m_ulChannels;
unsigned long m_ulSamplesPerSecond;
unsigned long m_ulSamplesPerBlock;
unsigned long m_ulBytesPerBlock;
unsigned long m_ulBlocks;
void clear();
};
std::ostream& operator<<(std::ostream& os, const Header& h);
//--------------------------------------
class File
{
public:
enum mode_t {in, out, inout};
File();
File(const char* szName, mode_t mode);
~File();
void open(const char* szName, mode_t mode, DWORD dwFlags = 0);
void close();
bool isOpen() const;
bool eof() const;
const char* name() const;
mode_t mode() const;
unsigned long channels() const;
unsigned long samplesPerSecond() const;
unsigned long samplesPerBlock() const;
unsigned long bytesPerBlock() const;
unsigned long blocks() const;
const Header& header() const;
void read(void* pBuffer, size_t size) const;
void write(const void* pBuffer, size_t size);
void seek(offset_t) const;
private:
File(const File& f); // Not implemented
File& operator=(const File& f); // Not implemented
int readHeader();
offset_t size() const;
offset_t tell() const;
HANDLE m_handle;
std::string m_strName;
mode_t m_mode;
Header m_header;
offset_t m_fileSize;
offset_t m_fileOffset;
};
} // namespace MP3
#endif // MP3_HPP