OPM Status Requests
This section lists the available status requests for Output Protection Manager (OPM). To send an OPM status request, call IOPMVideoOutput::GetInformation. For each request, the following information is listed.
| Value | Description |
|---|---|
| Request GUID | Identifies the request. Set the guidSetting member of the OPM_GET_INFO_PARAMETERS structure equal to this value. |
| Input data | Specifies how to interpret the abParameters array in the OPM_GET_INFO_PARAMETERS structure. |
| Output data | Specifies how to interpret the abRequestedInformation array in the OPM_REQUESTED_INFORMATION structure. |
The following status requests are defined:
| Status request | Description |
|---|---|
| OPM_GET_ACP_AND_CGMSA_SIGNALING | Returns the following information about a video output: |
| OPM_GET_ACTUAL_OUTPUT_FORMAT | Returns a description of the video signal that is being transmitted over the connector. |
| OPM_GET_ACTUAL_PROTECTION_LEVEL | Returns the global protection level for a specified protection mechanism. |
| OPM_GET_ADAPTER_BUS_TYPE | Returns the type of I/O bus used by the video output. |
| OPM_GET_CODEC_INFO | Gets the merit value of a hardware codec. |
| OPM_GET_CONNECTED_HDCP_DEVICE_INFORMATION | Gets information about a High-Bandwidth Digital Content Protection (HDCP) device attached to the video output. The following information is returned: |
| OPM_GET_CONNECTOR_TYPE | Returns the physical connector type of the video output. |
| OPM_GET_CURRENT_HDCP_SRM_VERSION | Returns the version number of the system renewability message (SRM) currently used by the video output. |
| OPM_GET_DVI_CHARACTERISTICS | Queries whether a digital video interface (DVI) connector supports DVI version 1.1 or later. |
| OPM_GET_OUTPUT_ID | Returns the unique identifier of the monitor associated with this video output. |
| OPM_GET_SUPPORTED_PROTECTION_TYPES | Returns the list of protection mechanisms that are supported by the connector. |
| OPM_GET_VIRTUAL_PROTECTION_LEVEL | Returns the virtual protection level for a specified protection mechanism. |
Related topics