Global Variable

HMCharacteristicTypeVolume

The input or output volume of an audio device.

Declaration

NSString *const HMCharacteristicTypeVolume;

Discussion

The corresponding value represents the percentage of the maximum volume supported by the service.

See Also

Audio and Video

HMCharacteristicTypeSupportedRTPConfiguration

The supported Real-time Transport Protocol (RTP) configuration.

HMCharacteristicTypeDigitalZoom

The digital zoom of a video Real-time Transport Protocol (RTP) service.

HMCharacteristicTypeOpticalZoom

The optical zoom setting of the camera sourcing a video Real-time Transport Protocol (RTP) service.

HMCharacteristicTypeImageMirroring

An indicator of whether the image should be flipped about the vertical axis.

HMCharacteristicTypeImageRotation

The angle of rotation for an image.

HMCharacteristicTypeNightVision

An indicator of whether night vision is enabled on a video Real-time Transport Protocol (RTP) service.

HMCharacteristicTypeStreamingStatus

A description of the status of the Real-time Transport Protocol (RTP) stream management service.

HMCharacteristicTypeSelectedStreamConfiguration

The selected stream’s configuration.

HMCharacteristicTypeSetupStreamEndpoint

The stream's endpoint configuration.

HMCharacteristicTypeAudioFeedback

An indicator of whether audio feedback, like a beep or other external sound mechanism, is enabled.

HMCharacteristicTypeMute

A control for muting audio.