LEAD Video Rotation Transform Attributes

The following attributes are supported by the LEAD Video Rotation Transform through the IMFAttributes interface. 

Data type

Attribute CLSID

Description

UINT32 (BOOL)

LMF_ROTATION_REVERSE

Sets or gets reverse option, set to TRUE to enable the reverse option.

UINT32 (BOOL)

LMF_ROTATION_FLIP

Sets or gets Flip option, set to TRUE to enable the flip option.

UINT32 (long)

LMF_ROTATION_ROTATIONANGLE

Sets or gets the rotation angle, it should be a multiple of right angle (90). Unit of angle is degree.

UINT32 (BOOL)

LMF_ROTATION_DEFAULTREVERSE

Default Reverse status.

Original value is FALSE.

UINT32 (BOOL)

LMF_ROTATION_DEFAULTFLIP

Default Flip status.

Original value is FALSE.

UINT32 (long)

LMF_ROTATION_DEFAULTROTATIONANGLE

Default Rotation Angle.

Original value is zero.

  Note:

Changes that affect the video frame dimensions cannot be performed while the media session is active, as a result these changes will be reverted. You must close the currently open media, change the properties, and then re-open the media.

For more information on how to use the Transform Attributes, refer to Using Media Foundation Transform Attributes.

   

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