Microsoft Speech SDK
SAPI 5.1
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 | Description |
|---|---|
| S_OK | Function completed successfully. |
| E_INVALIDARG | One or more parameters are invalid. |
| SPERR_ALREADY_INITIALIZED | The object has already been initialized. |
| FAILED (hr) | Appropriate error message. |
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.