// ntddcdrm.h

typedef enum _WRITE_ROTATION {
  CdromDefaultRotation,
  CdromCAVRotation
} WRITE_ROTATION, *PWRITE_ROTATION;
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Windows Driver Kit DDI reference (ne-ntddcdrm-_write_rotation)

_WRITE_ROTATION enumeration

Description

The WRITE_ROTATION enumeration specifies whether a CD-ROM drive uses constant linear velocity (CLV) rotation or constant angular velocity (CAV) rotation when it writes to a CD.

Constants

`CdromDefaultRotation`

The CD-ROM drive uses the (default) constant linear velocity (CLV) method when it writes to a CD.

`CdromCAVRotation`

The CD-ROM drive uses the (default) constant angular velocity (CAV) method when it writes to a CD.

WRITE_ROTATION - NtDoc