CGMS-A Protection Flags

CGMS-A Protection Flags

The constants in the following table specify the protection levels for Copy Generation Management System—Analog (CGMS-A).

Constant/valueDescription
OPM_CGMSA_OFF
0x00

CGMS-A is disabled.

OPM_CGMSA_COPY_FREELY
0x01

The protection level is Copy Freely.

OPM_CGMSA_COPY_NO_MORE
0x02

The protection level is Copy No More.

OPM_CGMSA_COPY_ONE_GENERATION
0x03

The protection level is Copy One Generation.

OPM_CGMSA_COPY_NEVER
0x04

The protection level is Copy Never.

OPM_CGMSA_REDISTRIBUTION_CONTROL_REQUIRED
0x08

Redistribution control (also called the broadcast flag) is required. This flag can be combined with the other flags.

Remarks

These flags are equivalent to the COPP_CGMSA_Protection_Level enumeration constants used in the Certified Output Protection Protocol (COPP).

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Opmapi.h

See also

Media Foundation Constants

 

 

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