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Microsoft Speech API 5.4
ISpAudio::SetBufferInfo
ISpAudio::SetBufferInfo sets the audio stream buffer information.
HRESULT SetBufferInfo(
const SPAUDIOBUFFERINFO *pBuffInfo
);
Parameters
- pBuffInfo
[in] Pointer to the SPAUDIOBUFFERINFO buffer providing the requested settings.
Return values
| Value |
| S_OK |
| SPERR_UNINITIALIZED |
| E_INVALIDARG |
| SPERR_DEVICE_BUSY |
| FAILED(hr) |
Remarks
This method can be called only when the audio device is in the SPAS_CLOSED state. The SPAUDIOBUFFERINFO members must conform to the following restrictions:
| SPAudioBufferInfo.ulMsMinNotification cannot be larger than one quarter the size of SPAudioBufferInfo.ulMsBufferSize and must not be zero. |
| SPAudioBufferInfo.ulMsEventBias cannot be larger than SPAudioBufferInfo.ulMsBufferSize. |
| SPAudioBufferInfo.ulMsBufferSize must be greater than or equal to 200 milliseconds. |