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MFPKEY_MOTIONSEARCHLEVEL Property

Specifies how color information is used in motion search operations.

Constant for IPropertyBag

g_wszWMVCMotionSearchLevel

Data Type

VT_I4

Default Value

0

Remarks

This property may be set to one of the following values.

Value Video information used
0Luma only.
1Luma with nearest-integer chroma.
2Luma with true chroma.
-1Macroblock-adaptive with true chroma.
-2Macroblock-adaptive with nearest-integer chroma.

 

By default, the codec performs motion search only in the luma channel. Including chroma information in motion estimation can significantly improve the quality of encoded video. Motion search with luma and true chroma will yield the best video quality, but at the highest performance cost. The two dynamic modes (-1 and -2) and the luma with nearest-integer chroma mode will provide reasonable compromises between quality and performance.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wmcodecdsp.h

See also

Media Foundation Properties

 

 

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