resolution

To better control resolution and aspect ratio of thumbnails, we recommend that you use the values MaxWidth, MaxHeight, SizingPolicy, and PaddingPolicy instead of Resolution and AspectRatio. The two groups of settings are mutually exclusive. Do not use them together.

The width and height of thumbnail files in pixels. Specify a value in the format <i>width</i> x <i>height</i> where both values are even integers. The values cannot exceed the width and height that you specified in the Video:Resolution object.