AssignFormat

Microsoft Speech SDK

The Microsoft.com Speech website Microsoft Speech SDK SAPI 5.1

CSpStreamFormat::AssignFormat

CSpStreamFormat::AssignFormat assigns (or copies) the instance's current format to a new format (or a new stream).



Converts the instance's stream format into a wave format structure.


HRESULT AssignFormat(
   SPSTREAMFORMAT   eFormat
);

Parameters

eFormat
[in] The requested stream format. Must be a valid SPSTREAMFORMAT value of SPSF_8kHz8BitMono or greater.

Return values

Value Description
S_OK Function completed successfully.
E_OUTOFMEMORY Exceeded available memory.
E_INVALIDARG Either class member m_guidFormatId or m_pCoMemWaveFormatEx is invalid or bad. Alternatively, the current format is not recognized.
FAILED(hr) Appropriate error message.


Converts instance's stream format into a cached format. Class member m_pCoMemWaveFormatEx will be NULL if an error occurred.


HRESULT AssignFormat(
   ISpStreamFormat  *pStream
);

Parameters

pStream
[in] An ISpStreamFormat object.

Return values

Value Description
S_OK Function completed successfully.
E_POINTER Either class member m_guidFormatId or m_pCoMemWaveFormatEx is invalid or bad.


Converts instance's stream format into the specified wave format. Class member m_guidFormatId will be GUID_NULL if an error occurred.


HRESULT AssignFormat(
   const   WAVEFORMATEX   *pWaveFormatEx
);

Parameters

pWaveFormatEx
[in] Address of the WAVEFORMATEX structure containing the wave file format information.

Return values

Value Description
S_OK Function completed successfully.
E_OUTOFMEMORY Exceeded available memory.


Assigns the instance's format according to a reference GUID and a wave format.
HRESULT AssignFormat(
   REFGUID                 rguidFormatId,
   const   WAVEFORMATEX   *pWaveFormatEx
);

Parameters

rguidFormatId
[in] The reference ID. If specified as SPDFID_WaveFormatEx, pWaveFormatEx is a WAVEFORMATEX data structure. Otherwise this is set to GUID_NULL.
pWaveFormatEx
[in] If rguidFormatId is not set to SPDFID_WaveFormatEx, this is passed back as NULL.

Return values

Value Description
S_OK Function completed successfully.
E_INVALIDARG pWaveFormatEx is invalid or bad.
E_OUTOFMEMORY Exceeded available memory.


Assigns (or copies) the instance's stream to a specific stream.
HRESULT AssignFormat(
   const   CSpStreamFormat & Src
);

Parameters

Src
[out] The stream to copy to.

Return values

Value Description
S_OK Function completed successfully.
E_OUTOFMEMORY Exceeded available memory.