audiostatemonitorapi.h header

This header is used part of the Core Audio feature. For more information, see:

• Core Audio APIs

audiostatemonitorapi.h contains the following programming interfaces:

Interfaces

IAudioStateMonitor Provides APIs for querying the sound level of audio streams and for receiving notifications when the sound level changes.

Functions

CreateCaptureAudioStateMonitor Creates a new instance of IAudioStateMonitor for capture streams.
CreateCaptureAudioStateMonitorForCategory Creates a new instance of IAudioStateMonitor for capture streams with the specified audio category.
CreateCaptureAudioStateMonitorForCategoryAndDeviceId Creates a new instance of IAudioStateMonitor for capture streams with the specified audio category and audio device ID.
CreateCaptureAudioStateMonitorForCategoryAndDeviceRole Creates a new instance of IAudioStateMonitor for capture streams with the specified audio category and audio device role.
CreateRenderAudioStateMonitor Creates a new instance of IAudioStateMonitor for render streams.
CreateRenderAudioStateMonitorForCategory Creates a new instance of IAudioStateMonitor for the render streams with the specified audio category.
CreateRenderAudioStateMonitorForCategoryAndDeviceId Creates a new instance of IAudioStateMonitor for the render streams with the specified audio category and audio device ID.
CreateRenderAudioStateMonitorForCategoryAndDeviceRole Creates a new instance of IAudioStateMonitor for render streams with the specified audio category and audio device role.

Callback functions

AudioStateMonitorCallback Occurs when the system changes the sound level of the audio streams being monitored by an IAudioStreamStateMonitor.

Enumerations

AudioStateMonitorSoundLevel