Music Player

#define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
// Windows Header Files:
#include <windows.h>
#include <mmsystem.h>
#include <strmif.h>
#include <control.h>
 
#pragma comment(lib, "strmiids.lib")
 
class Mp3
{
public:
    Mp3();
    ~Mp3();
 
    bool Load(LPCWSTR filename);
    void Cleanup();
 
    bool Play();
    bool Pause();
    bool Stop();
	
    // Poll this function with msTimeout = 0, so that it return immediately.
    // If the mp3 finished playing, WaitForCompletion will return true;
    bool WaitForCompletion(long msTimeout, long* EvCode);
 
    // -10000 is lowest volume and 0 is highest volume, positive value > 0 will fail
    bool SetVolume(long vol);
	
    // -10000 is lowest volume and 0 is highest volume
    long GetVolume();
	
    // Returns the duration in 1/10 millionth of a second,
    // meaning 10,000,000 == 1 second
    // You have to divide the result by 10,000,000 
    // to get the duration in seconds.
    __int64 GetDuration();
	
    // Returns the current playing position
    // in 1/10 millionth of a second,
    // meaning 10,000,000 == 1 second
    // You have to divide the result by 10,000,000 
    // to get the duration in seconds.
    __int64 GetCurrentPosition();
 
    // Seek to position with pCurrent and pStop
    // bAbsolutePositioning specifies absolute or relative positioning.
    // If pCurrent and pStop have the same value, the player will seek to the position
    // and stop playing. Note: Even if pCurrent and pStop have the same value,
    // avoid putting the same pointer into both of them, meaning put different
    // pointers with the same dereferenced value.
    bool SetPositions(__int64* pCurrent, __int64* pStop, bool bAbsolutePositioning);
 
private:
    IGraphBuilder *  pigb;
    IMediaControl *  pimc;
    IMediaEventEx *  pimex;
    IBasicAudio * piba;
    IMediaSeeking * pims;
    bool    ready;
    // Duration of the MP3.
    __int64 duration;
 
};