IPerChannelDbLevel::GetChannelCount method

The GetChannelCount method gets the number of channels in the audio stream.

Syntax


HRESULT GetChannelCount(
  [out] UINT *pcChannels
);

Parameters

pcChannels [out]

Pointer to a UINT variable into which the method writes the channel count (the number of channels in the audio stream).

Return value

If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.

Return codeDescription
E_POINTER

Pointer pcChannels is NULL.

 

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Devicetopology.h

See also

IPerChannelDbLevel Interface

 

 

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