使用 libZPlay 播放音乐文件

libZPlay  集成了所有支持格式（

mp3, mp2, mp1, ogg, flac, ac3, aac, oga, wav and pcm ）的编码解码器。库本身是由WINAPI编写，你无须额外的库，也不需要MFC / .NET的支持，只能在Windows下运行。

本例子包含C/C#/VB.NET/VC++.NET/Delphi的演示程序

http://www.udnz.com/code-1479.htm

/*
* libZPlay example
*
* Play test.mp3 to sound card output.
*
*/

#include <windows.h>
#include <stdio.h>
#include <conio.h>

#include "libzplay.h"

using namespace libZPlay;

int main( int argc, char **argv)
{
   printf ( "Playing test.mp3\n\nPress q to end\n\n" );

   // create class instance using class factory.
   ZPlay *player = CreateZPlay();

   // open file
   int result = player->OpenFile( "test.mp3" , sfAutodetect);
   if (result == 0)
   {
       // display error message
       printf ( "Error: %s\n" , player->GetError());
       player->Release();
       return 0;
   }

   // get song length
   TStreamInfo info;
   player->GetStreamInfo(&info);

   printf ( "Length: %02u:%02u:%02u:%03u\n\n" , info.Length.hms.hour,
                       info.Length.hms.minute,
                       info.Length.hms.second,
                       info.Length.hms.millisecond);

   // start playing
   player->Play();

   // display position and wait for song end
   while (1)
   {
       // check key press
       if (kbhit())
       {
           int a = getch();
           if (a == 'q' || a == 'Q' )
               break ; // end program if Q key is pressed
       }

       // get stream status to check if song is still playing
       TStreamStatus status;
       player->GetStatus(&status);
       if (status.fPlay == 0)
           break ; // exit checking loop

       // get current position
       TStreamTime pos;
       player->GetPosition(&pos);
       // display position
       printf ( "Pos: %02u:%02u:%02u:%03u\r" , pos.hms.hour, pos.hms.minute, pos.hms.second, pos.hms.millisecond);

       Sleep(300); // wait 300 ms
   }

   // destroy class instance
   player->Release();

   return 0;
}