Pixel Mapping Content Grayscale/Virtual Intensity

When pixel mapping the gifs/movs on a virtual layer, is it possible to make it playback in grayscale?
I'm trying to use FIP 169 but it's pink and green video effect, and I'd like it to just be white. I've been trying to figure out how to use multiple layers to just get the luminance but haven't had any luck
Or get the content to playback on just the Virtual Intensity of a RGBW fixture
Any ideas?
Thanks,
Steven
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