Microsoft Speech Platform

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ISpMMSysAudio::GetMMHandle

ISpMMSysAudio::GetMMHandle passes back a multimedia audio device stream handle.

HRESULT GetMMHandle(
   void   **pHandle
);

Parameters

pHandle

The wave in or wave out device handle.

Return values

Value	Description
S_OK	Function completed successfully.
E_POINTER	pHandle is invalid.
SPERR_UNINITIALIZED	Audio object is in the SPAS_CLOSED state.

Remarks

The audio object must not be in the SPAS_CLOSED state or this call will fail because the multimedia device will not have been opened yet. The caller must not close the passed back handle. The caller must not use the handle either after changing the state of the audio object to SPAS_CLOSED or after releasing the object.