Constant windows::Win32::Media::MediaFoundation::D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE_BYTES_PER_SUBREGION
pub const D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE_BYTES_PER_SUBREGION: D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE;