Workaround found.
Had to use static mesh and apply texture there. Scaling does not effect media texture quality unless you stretch it too much, but now I can have a small video like I wanted.
UMG = bad 
Workaround found.
Had to use static mesh and apply texture there. Scaling does not effect media texture quality unless you stretch it too much, but now I can have a small video like I wanted.
UMG = bad