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Note

Please see Azure Cognitive Services for Speech documentation for the latest supported speech solutions.

Microsoft Speech Platform

ISpAudio::SetBufferInfo

ISpAudio::SetBufferInfo sets the audio stream buffer information.

<pre IsFakePre="true" xmlns="http://www.w3.org/1999/xhtml"> <strong>HRESULT SetBufferInfo(</strong> <strong> const</strong> <a runat="server" href="jj127865(v=msdn.10).md"><strong>SPAUDIOBUFFERINFO</strong></a> *<em>pBuffInfo</em> <strong>);</strong> </pre>

Parameters

  • pBuffInfo
    [in] Pointer to the SPAUDIOBUFFERINFO buffer providing the requested settings.

Return Values

Value Description
S_OK Function completed successfully.
SPERR_UNINITIALIZED Audio stream not initialized.
E_INVALIDARG pBuffInfo is invalid or the parameters do not meet the criteria described above.
SPERR_DEVICE_BUSY Audio device is not in the SPAS_CLOSED state.
FAILED(hr) Appropriate error message.

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.