IMFAudioStreamVolume::GetChannelVolume method (mfidl.h)
Retrieves the volume level for a specified channel in the audio stream.
Syntax
HRESULT GetChannelVolume(
[in] UINT32 dwIndex,
[out] float *pfLevel
);
Parameters
[in] dwIndex
Zero-based index of the audio channel. To get the number of channels, call IMFAudioStreamVolume::GetChannelCount.
[out] pfLevel
Receives the volume level for the channel.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
Requirements
| 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 |