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C-/C++-Quelltext

void CDX9Capture::on_Notification() 
{ 
    DWORD capturePos, readPos; 
    m_captureBuffer->GetCurrentPosition(&capturePos, &readPos); 
    DWORD diff; 
    readPos >= m_NextOffset ? 
        diff = readPos - m_NextOffset : 
        diff = readPos + m_BufferSize - m_NextOffset; 
        
    if(diff < m_NotifySize) return; 
    
    //Lock the capture Buffer 

    VOID* lockedBufferPointer = NULL; 
    DWORD lockedBufferSize; 

    m_captureBuffer->Lock(m_NextOffset, m_NotifySize, &lockedBufferPointer, &lockedBufferSize, NULL, NULL, 0L); 

    //Put data to Output Sink 


    const int SIZE = lockedBufferSize/2; 
    //Hier wird der Teilbuffer zur Weiterbearbeitung bereitgemacht. 

    pSink->on_NewAudioDataCaptured((short*)lockedBufferPointer, lockedBufferSize); 

    //Unlock the capture Buffer 

    m_captureBuffer->Unlock(lockedBufferPointer, lockedBufferSize, NULL, 0); 

    //Move the capture offset along 

    m_NextOffset += lockedBufferSize; 
    m_NextOffset %= m_BufferSize; 
}