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ISpStreamFormat::GetFormat passes back the cached format of the stream.
SAPI uses this data to determine how to handle the stream data present in the underlying IStream.
HRESULT GetFormat(
GUID *pguidFormatId,
WAVEFORMATEX **ppCoMemWaveFormatEx
);
Value | Description |
---|---|
S_OK | Function completed successfully. |
E_POINTER | Pointer is locating a memory block that is NULL or either too small or is not writable. |
SPERR_UNINITIALIZED | The object has not been properly initialized. |
SPERR_STREAM_CLOSED | The stream is closed or unavailable. |
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