IMiniportAudioEngineNode::GetDeviceChannelCount method (portcls.h)
Gets a count of the number of channels supported by the audio device.
Syntax
NTSTATUS GetDeviceChannelCount(
[in] ULONG ulNodeId,
[in] eChannelTargetType targetType,
[out] UINT32 *pulChannelCount
);
Parameters
[in] ulNodeId
The ID of the node that represents the audio device.
[in] targetType
An eChannelTargetType enumerated value that specifies the types of target nodes in the channels. For example, there could be Volume, Mute or PeakMeter nodes.
[out] pulChannelCount
The number of channels supported by the audio device.
Return value
GetDeviceChannelCount returns S_OK, if the call was successful. Otherwise, the method
returns an appropriate error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 |
| Minimum supported server | Windows Server 2012 |
| Target Platform | Universal |
| Header | portcls.h |