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ISpStream::SetBaseStream (SAPI 5.3)

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Microsoft Speech API 5.3

ISpStream::SetBaseStream

ISpStream::SetBaseStream initializes the ISpStream object with the format of the IStream and an object to encapsulate.

  
    HRESULT SetBaseStream(
    IStream                *pStream,
    REFGUID                 rguidFormat,
    const WAVEFORMATEX     *pWaveFormatEx
);

Parameters

  • pStream
    Address of the IStream containing the base stream data.
  • rguidFormat
    The data format identifier associated with the stream.
  • pWaveFormatEx
    Address of the WAVEFORMATEX structure that contains the wave file format information. If guidFormatId is SPDFID_WaveFormatEx, this must point to a valid WAVEFORMATEX structure. For other formats, it should be NULL.

Return values

Value
S_OK
E_INVALIDARG
SPERR_ALREADY_INITIALIZED
FAILED (hr)

Remarks

The helper class CSpStreamFormat and the SPSTREAMFORMAT enumeration can be used to avoid the possibility of typos or mistakes when filling in the WAVEFORMATEX structure.