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DXVA2 native decoding can do all kind of stuff with the image.
i know that for nvidia the chroma is misplaced by half a sub pixel with DXVA native and deinterlancing.
not sure what AMD is currently doing wrong but bilinear chroma is not the hit anyway. bending is clearly a possibility. beware that bending could come from d3d11 full screen or d3d11 fullscreen window too so check those. nvidia broke d3d11 fullscreen window a long while ago which is now fixed.
just use DXVA copyback which should do until 8k which hopefully never takes foot.
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