StartEx
int StartEx(CIO * pioOutput, const WAVEFORMATEX * pwfeInput, int nMaxAudioBytes, int nCompressionLevel = COMPRESSION_LEVEL_NORMAL, const void * pHeaderData = NULL, int nHeaderBytes = CREATE_WAV_HEADER_ON_DECOMPRESSION);
virtual int StartEx(CIO * pioOutput, const WAVEFORMATEX * pwfeInput,