IMFAudioStreamVolume::SetChannelVolume method (mfidl.h)

Sets the volume level for a specified channel in the audio stream.

Syntax

HRESULT SetChannelVolume(
  [in] UINT32      dwIndex,
  [in] const float fLevel
);

[in] dwIndex

Zero-based index of the audio channel. To get the number of channels, call IMFAudioStreamVolume::GetChannelCount.

[in] fLevel

Volume level for the channel.

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.

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