Green block at the bottom of a video

A green block is visble at the bottom of this file with D3D9/D3D11 video outputs. With OpenGL, there is no green block but the bottom line is repeated.

Sample: https://upload.wikimedia.org/wikipedia/commons/7/79/Big_Buck_Bunny_small.ogv

direct3d11 debug: DirectXUpdateRects source offset: 0,4 visible: 240x134
direct3d11 debug: DirectXUpdateRects image_src coords: 0,0,240,144
direct3d11 debug: DirectXUpdateRects image_src_clipped coords: 0,4,240,138
direct3d11 debug: DirectXUpdateRects image_dst coords: 0,0,240,134
direct3d11 debug: DirectXUpdateRects image_dst_clipped coords: 0,0,240,134

VLC 3.0.3-20180526-0546-win64 (reproducible with 4.0.0)\ OS: Windows 10 x64 1703

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