XWMAEncoder

HRESULT XWMAEncoder(
         const BYTE *pInputBuffer,
         DWORD inputBufferSize,
         const WAVEFORMATEX *pInputFormat,
         DWORD outputBitrate,
         BYTE **ppEncodedBuffer,
         DWORD *pEncodedBufferSize,
         WAVEFORMATEX **ppEncodedBufferFormat,
         DWORD *pEncodedBufferFormatSize,
         DWORD **ppDecodedPacketCumulativeBytes,
         DWORD *pDecodedPacketCumulativeBytesSize)