DWORD CALLBACK waveInProc(HWAVEIN hWaveIn, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)

{

SYZ_TRACE("waveInProc:: hWaveIn: point[%p] uMsg==[%d]", hWaveIn, uMsg);

char errorChar[256];

MMRESULT hr;

//waveInGetErrorText(hr, errorChar, 256);

//SYZ_TRACE("waveInGetErrorText :: hr[%d], ErrorText[%s]", hr, errorChar);

if (uMsg == WIM_DATA)

{

WAVEHDR* pWaveHdr = (WAVEHDR*)dwParam1;//dwParam1指向WAVEHDR的地址

wWaveRecord* pWaveRecord = (wWaveRecord*)dwInstance;

SYZ_TRACE("WAVEHDR stuct data: \

lpData[%p], dwBufferLength[%d], dwBytesRecorded[%d], dwUser[%p], dwFlags[%d], dwLoops[%d], lpNext[%p], reserved[%p]",

pWaveHdr->lpData, pWaveHdr->dwBufferLength, pWaveHdr->dwBytesRecorded, pWaveHdr->dwUser, pWaveHdr->dwFlags, pWaveHdr->dwLoops, pWaveHdr->lpNext, pWaveHdr->reserved);

pWaveRecord->Lock();

if (pWaveRecord->m_bRecording && pWaveHdr->dwBytesRecorded == MAX_BUFF_SOUNDSIZE)

{

SYZ_TRACE("befor call waveInUnprepareHeader");

hr = waveInUnprepareHeader(hWaveIn, pWaveHdr, sizeof(WAVEHDR));

SYZ_TRACE("waveInUnprepareHeader result [%d]", (hr== MMSYSERR_NOERROR));

waveInGetErrorText(hr, errorChar, 256);

SYZ_TRACE("waveInGetErrorText :: hr[%d], ErrorText[%s]", hr, errorChar);

pWaveHdr->dwBytesRecorded = 0;

pWaveHdr->dwFlags = 0;

SYZ_TRACE("befor call waveInPrepareHeader");

hr = waveInPrepareHeader(hWaveIn, pWaveHdr, sizeof(WAVEHDR));

SYZ_TRACE("waveInPrepareHeader result [%d]", (hr == MMSYSERR_NOERROR));

waveInGetErrorText(hr, errorChar, 256);

SYZ_TRACE("waveInGetErrorText :: hr[%d], ErrorText[%s]", hr , errorChar);

hr = waveInAddBuffer(hWaveIn, pWaveHdr, sizeof(WAVEHDR));

SYZ_TRACE("waveInAddBuffer result [%d]", (hr == MMSYSERR_NOERROR));

waveInGetErrorText(hr, errorChar, 256);

SYZ_TRACE("waveInGetErrorText :: hr[%d], ErrorText[%s]", hr , errorChar);

}

else

{

//clear dirty data

memset(pWaveHdr->lpData, 0, MAX_BUFF_SOUNDSIZE);

}

pWaveRecord->Unlock();

}

return 0;

}