VideoPixelAspectRatio

XmpDynamicMediaPackage.VideoPixelAspectRatio property

获取或设置纵横比，表示为wd/ht.

public XmpRational VideoPixelAspectRatio { get; set; }

适当的价值

宽高比，表示为 wd/ht.

也可以看看

VideoFrameSize Set