![]() ![]() For more information about the KSPIN structure, see KSPIN. A host pin is a KSPIN structure with its Communication member set to KSPIN_COMMUNICATION_SINK or KSPIN_COMMUNICATION_BOTH. For example, AudioEndpointBuilder sets the name, icon, and the form factor.ĭetermines whether there is a path from the endpoint to a host pin that supports pulse code modulation (PCM), audio codec-3 (AC3), or Windows media video (WMV). Sets the default properties for the endpoint. ![]() ![]() For more information about KSNODETYPE_SPEAKER and other pin-category GUIDS, see Ksmedia.h in WinDDK\\inc\api. For example, when the AudioEndpointBuilder finds an unconnected bridge pin with a pin-category GUID of KSNODETYPE_SPEAKER, it creates a speaker endpoint for this bridge pin. The following list summarizes how the algorithm that is used by AudioEndpointBuilder works:Ĭreates an endpoint for any unconnected bridge pins. When an audio device driver registers a new instance of the KSCATEGORY_AUDIO device interface class, the AudioEndpointBuilder service detects the device interface notification and uses an algorithm to examine the topology of the audio devices in the system and take appropriate action. The AudioEndpointBuilder service monitors the KSCATEGORY_AUDIO class for device interface arrivals and removals. The MMDevice API refers to the new audio devices as endpoints. With two new APIs in Windows Vista, MMDevice API and WASAPI, you can access and manipulate these new audio devices. In Windows Vista and later versions of Windows, the concept of an audio device has been redesigned to better represent the device that the user physically interacts with. In Windows XP, the audio model used the term audio device to refer to a conceptual device in the Plug and Play (PnP) tree. The algorithm was designed to simplify the system access to multiplexed (MUXed) capture devices and to help work with topologies that involve multiple host pins and multiple bridge pins, or both. The AudioEndpointBuilder service uses an algorithm to discover and enumerate endpoints. This topic provides an overview of the algorithm that is used by the AudioEndpointBuilder service. Windows Vista Default DescriptionĬ:\Windows\System32\svchost.In Windows Vista and later versions of Windows, the AudioEndpointBuilder is a system service that enumerates, initializes, and activates the audio endpoints in a system. ![]() What other service require Windows Audio Endpoint Builder to function properly: What service Windows Audio Endpoint Builder needs to function properly: If this service is disabled, any services that explicitly depend on it will fail to start. If this service is stopped, audio devices and effects will not function properly. Manages audio devices for the Windows Audio service. Note: No dependencies are listed for any service in the WDP build I used to draft this information. Service Name (registry): AudioEndpointBuilderĭisplay Name: Windows Audio Endpoint Builder Default Path and Command Line OptionsĬ:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted Log On AsĪccount: Local System account Dependencies If this service is disabled, any services that explicitly depend on it will fail to start Additional Information Black Viper’s Windows XP Pro 圆4 (64-bit) Service Pack 2 Service Configurations.Black Viper’s Windows XP x86 (32-bit) Service Pack 3 Service Configurations.Black Viper’s Windows Vista Service Pack 2 Service Configurations.Black Viper’s Windows 7 Service Pack 1 Service Configurations.Black Viper’s Windows 8 Service Configurations.Black Viper’s Windows 8.1 Service Configurations.Black Viper’s Windows 10 Service Configurations. ![]()
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