IMiniportAudioEngineNode interface (portcls.h)

This interface allows a miniport driver to use KS properties that access the audio engine via a KS filter handle.

Inheritance

The IMiniportAudioEngineNode interface inherits from the IUnknown interface. IMiniportAudioEngineNode also has these types of members:

Methods

The IMiniportAudioEngineNode interface has these methods.

IMiniportAudioEngineNode::GetAudioEngineDescriptor Gets the descriptor for the audio engine node.
IMiniportAudioEngineNode::GetBufferSizeRange Gets the minimum and maximum buffer size that the hardware audio engine can support.
IMiniportAudioEngineNode::GetDeviceAttributeSteppings Gets the allowed stepping value for the audio device attribute.
IMiniportAudioEngineNode::GetDeviceChannelCount Gets a count of the number of channels supported by the audio device.
IMiniportAudioEngineNode::GetDeviceChannelMute Gets the state of the Mute node for the audio device channel.
IMiniportAudioEngineNode::GetDeviceChannelPeakMeter Gets the PeakMeter value for the audio device channel.
IMiniportAudioEngineNode::GetDeviceChannelVolume Gets the volume level for a given channel of the audio device.
IMiniportAudioEngineNode::GetDeviceFormat Gets the audio data format for an audio device.
IMiniportAudioEngineNode::GetEngineFormatSize Gets the format type and the buffer size for the audio engine's audio data format.
IMiniportAudioEngineNode::GetGfxState Gets the state of the global effects (GFX) node in the audio engine.
IMiniportAudioEngineNode::GetMixFormat Gets the audio data format for the audio engine mixer.
IMiniportAudioEngineNode::GetSupportedDeviceFormats Gets the supported audio data formats for the audio device.
IMiniportAudioEngineNode::SetDeviceChannelMute Sets the state of the Mute node for the audio device channel.
IMiniportAudioEngineNode::SetDeviceChannelVolume Sets the volume level for a given channel of the audio device.
IMiniportAudioEngineNode::SetDeviceFormat Sets the audio data format for an audio device.
IMiniportAudioEngineNode::SetGfxState Sets the state of the global effects (GFX) node in the audio engine.

Requirements

Requirement	Value
Minimum supported client	Windows 8
Minimum supported server	Windows Server 2012
Target Platform	Windows
Header	portcls.h