types

The CAS plugin must return OK when an operation completes without any errors.

The CAS plugin must return ERROR_CAS_NO_LICENSE, when descrambling is attempted and no license keys have been provided.

ERROR_CAS_LICENSE_EXPIRED must be returned when an attempt is made to use a license and the keys in that license have expired.

The CAS plugin must return ERROR_CAS_SESSION_NOT_OPENED when an attempt is made to use a session that has not been opened.

The CAS plugin must return ERROR_CAS_CANNOT_HANDLE when an unsupported data format or operation is attempted.

ERROR_CAS_INVALID_STATE must be returned when the device is in a state where it is not able to perform descrambling.

The CAS plugin must return BAD_VALUE whenever an illegal parameter is passed to one of the interface functions.

The CAS plugin must return ERROR_CAS_NOT_PROVISIONED when the device has not yet been provisioned.

ERROR_CAS_RESOURCE_BUSY must be returned when resources, such as CAS sessions or secure buffers are not available to perform a requested operation because they are already in use.

The CAS Plugin must return ERROR_CAS_INSUFFICIENT_OUTPUT_PROTECTION when the output protection level enabled on the device is not sufficient to meet the requirements in the license policy.HDCP is an example of a form of output protection.

The CAS Plugin must return ERROR_CAS_TAMPER_DETECTED if an attempt to tamper with the CAS system is detected.

The CAS Plugin must return ERROR_CAS_DEVICE_REVOKED if the response indicates that the device has been revoked.Device revocation means that the device is no longer permitted to play content.

The CAS plugin must return ERROR_CAS_DECRYPT_UNIT_NOT_INITIALIZED when descrambling is failing because the session is not initialized properly.

The CAS Plugin must return ERROR_CAS_DECRYPT if the DescramblerPlugin's descramble operation fails.

ERROR_CAS_UNKNOWN must be returned when a fatal failure occurs and no other defined error is appropriate.