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KS_DVDCOPY_TITLEKEY structure (ksmedia.h)

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The KS_DVDCOPY_TITLEKEY structure is used to describe the title key information for the DVD copyright protection authentication process.

Syntax

typedef struct _KS_DVDCOPY_TITLEKEY {
  ULONG KeyFlags;
  ULONG ReservedNT[2];
  UCHAR TitleKey[6];
  UCHAR Reserved[2];
} KS_DVDCOPY_TITLEKEY, *PKS_DVDCOPY_TITLEKEY;

Members

KeyFlags

Title key flags settings that provide Copyrighted Material flag (CPM), Copy Guard Management System (CGMS) and Copyright Protection System (CP_SEC) copyright protection flags from the DVD drive. The following CGMS flags are defined:

Flag Meaning
KS_DVD_CGMS_RESERVED_MASK Specifies the mask of all defined CPM, CGMS and CP_SEC flags (that is, all the other flags listed here).
KS_DVD_CGMS_COPY_PROTECT_MASK Specifies the mask of all defined CGMS flags.
KS_DVD_CGMS_COPY_PERMITTED Indicates that the content protected by CGMS can be copied.
KS_DVD_CGMS_COPY_ONCE Indicates that the content protected by CGMS can be copied only a single time. As part of the copy process, this flag should be cleared, and the KS_DVD_CGMS_NO_COPY flags must be set to prevent subsequent copying.
KS_DVD_CGMS_NO_COPY Indicates that the content protected by CGMS cannot be copied.
KS_DVD_COPYRIGHT_MASK Specifies the mask of all defined CPM flags (KS_DVD_NOT_COPYRIGHTED and KS_DVD_COPYRIGHTED).
KS_DVD_NOT_COPYRIGHTED Indicates that the content marked by CPM is not copyrighted.
KS_DVD_COPYRIGHTED Indicates that the content marked by CPM is copyrighted.
KS_DVD_SECTOR_PROTECT_MASK The mask of all defined sector protection flags.
KS_DVD_SECTOR_NOT_PROTECTED Indicates that the sector is not protected (encrypted).
KS_DVD_SECTOR_PROTECTED Indicates that the sector is protected (encrypted).

ReservedNT[2]

Reserved. Do not use.

TitleKey[6]

Specifies the current title key.

Reserved[2]

Reserved. Do not use.

Remarks

The KS_DVDCOPY_TITLEKEY structure is used by the KSPROPERTY_DVDCOPY_TITLE_KEY property.

For more information, see DVD Copyright Protection.

Requirements

Requirement Value
Header ksmedia.h (include Ksmedia.h)

See also

KSPROPERTY_DVDCOPY_TITLE_KEY