1方法一：callback_function
 2void CALLBACK waveOutProc(HWAVEOUT hWaveOut,UINT uMsg,DWORD dwInstance,
 3           DWORD dwParam1,DWORD dwParam2)
 4{
 5    WAVEHDR* pHdr = (PWAVEHDR)dwParam1; // 该参数由系统自动返回
 6    DWORD dwBytesRead;
 7    if(uMsg != WOM_DONE )   //判断是否播放完
 8    {
 9        printf("Error Wom_Done ");
10        return;
11    }
12    if(g_dwBytesleft == 0)
13                   {    
14                        g_res0 = waveOutReset(g_hWaveOut);
15                        g_res0 = waveOutClose(g_hWaveOut);
16                        if(g_res0 != MMSYSERR_NOERROR)
17                            printf("Wave out close error  ");
18                        GetExitCodeProcess( hProcess, lpExitCode);
19                        CloseHandle(hProcess);
20                        return;
21                   } //如果文件读完，退出程序
22    
23        mr = waveOutUnprepareHeader(hWaveOut,pHdr,sizeof(WAVEHDR));//清空设备缓存
24        //判断是否成功
25        DWORD dwBytesRequire = g_dwBytesleft < BUFFER_LENGTH ?  g_dwBytesleft:BUFFER_LENGTH;  //考虑剩余数据不足Buffer长度的情况
26        
27        ReadFile(g_fh, pHdr->lpData, dwBytesRequire ,&dwBytesRead, NULL);
28        
29//判断是否成功
30        g_dwBytesleft -= dwBytesRead;
31
32        mr = waveOutPrepareHeader(hWaveOut,pHdr,sizeof(WAVEHDR));
33        //判断是否成功
34        g_res0= waveOutWrite(g_hWaveOut, pHdr, sizeof(WAVEHDR));
35        //判断是否成功
36}
37
38方法二：callback_event
39DWORD WaveThreadFunc(DATABUFFER* pBuffer)
40{
41    printf("start thread ");
42    DWORD dwBytesRead = NULL;
43    g_bEndThread = FALSE;
44    int i = 0;  
45    while(!g_bEndThread)
46    {
47  
48        DWORD dw = WaitForSingleObject(g_hWaveEvent,0); //等待事件信号
49        if(dw == WAIT_OBJECT_0)
50        {    
51            printf("start switch ");
52            
53            {
54                pBuffer = &g_WaveBuffers[i]; //依次取各个Buffer
55                if((pBuffer->Hdr.dwFlags && WHDR_DONE) == WHDR_DONE)
56//Buffer内数据已经播放完成
57                { 
58                    waveOutUnprepareHeader(g_hWaveOut,&pBuffer->Hdr,sizeof(WAVEHDR));
59                    DWORD dwBytesRequire = g_dwBytesleft < BUFFERSIZE ?  g_dwBytesleft:BUFFERSIZE;
60                    ReadFile(g_fh, pBuffer->Hdr.lpData, dwBytesRequire ,&dwBytesRead, NULL);
61                    g_dwBytesleft -= dwBytesRead;
62                    waveOutPrepareHeader(g_hWaveOut,&pBuffer->Hdr,sizeof(WAVEHDR));
63                    waveOutWrite(g_hWaveOut, &pBuffer->Hdr, sizeof(WAVEHDR));
64                    
65                }
66                
67            }
68            i++;
69            if(i == NBUFFERS)
70                i = i%NBUFFERS;
71            ResetEvent(g_hWaveEvent);
72        }
73    }
74    ExitThread (0);
75    return 0;
76}