OPM_GET_CURRENT_HDCP_SRM_VERSION
Returns the version number of the system renewability message (SRM) currently used by the video output.
| Requirement | Value |
|---|---|
| Request GUID | OPM_GET_CURRENT_HDCP_SRM_VERSION |
| Input data | None |
| Return data | An OPM_STANDARD_INFORMATION structure |
Remarks
If this query succeeds, the ulInformation member of the OPM_STANDARD_INFORMATION structure contains the SRM version number, in little-endian format.
SRMs are used to update the list of revoked High-Bandwidth Digital Content Protection (HDCP) devices. SRMs are delivered with the video content. To set the SRM, send the OPM_SET_HDCP_SRM command.
This query can cause the IOPMVideoOutput::GetInformation method to return any of the following error codes.
| Return code | Description |
|---|---|
| ERROR_GRAPHICS_OPM_HDCP_SRM_NEVER_SET | The application did not set an SRM. |
| ERROR_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_HDCP | The video output does not support HDCP. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|
See also
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