_CM_VIDEO_DEVICE_DATA

recordsMetadatacopy
struct _CM_VIDEO_DEVICE_DATA {
    unsigned short Version;/* 0x0  2 */
    unsigned short Revision;/* 0x2  2 */
    unsigned long VideoClock;/* 0x4  4 */
};
/* recorded in CDPLAYER.EXE and DISKPERF.EXE, Feb 1993 DDK */