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IAudioPeakMeter::GetChannelCount method (devicetopology.h)

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

Syntax

HRESULT GetChannelCount(
  [out] UINT *pcChannels
);

Parameters

[out] pcChannels

Pointer to a UINT variable into which the method writes the channel count.

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 code Description
E_POINTER
 Pointer pcChannels is NULL.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header devicetopology.h

See also

IAudioPeakMeter Interface