Vertical Dark Pixel Line When Downscaling

previr

New Member
I've noticed an issue when recording with OBS that only occurs when downscaling (Settings > Video > Output (Scaled) Resolution). It doesn't happen when recording at full resolution. When downscaling, there is a dark shading 1 pixel wide, from top to bottom. Changing the Downscale Filter doesn't matter (it happens on all of them). I've also tried recording with NVENC instead of x264, and the issue is still there. It's only on the left side of the screen, it doesn't appear to happen anywhere else.

Screenshot 1: this is a capture of the game, the source, for reference. Blown up rougly 800%.

Screenshot 2: this is a capture of the recorded video, blown up roughly 800%. Here you can see the dark 1 pixel vertical shading along the left side.

Is this a bug, a side effect, or something to do with settings?

Thanks.
 

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