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    #21
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    I got it to work by changing my GPU settings from Metal to OpenCL. I don't understand why that would make a difference, as the other videos rendered correctly with Metal. Anyway, I'm just glad that my clips are finally deinterlaced.

    Thank you everyone for your help and recommendations.

    P.S. I played around a little more with Fusion, and unfortunately couldn't get the deinterlacing scaling to work, but I discovered that Fusion has some some denoise features. I did a quick test, but it didn't seem to produce any better results than blurring the chroma in a layer node on the color page.


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    #22
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    Now that I've got all my clips deinterlaced, I think that I actually figured out the Fusion deinterlacing scaling issue. In Resolve's project settings, set the resolution at 1920x1080, set scaling to "stretch to all corners," import your 1440x1080 60i source material, confirm that clip attributes input scaling is set to square. On the Fusion page, right click, select Add Tool/ Miscellaneous/ Fields. I'm going off of memory, so hopefully I didn't miss any steps.


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    #23
    Senior Member paulears's Avatar
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    I always got better results when I converted the material to the smaller frame size at the same time. I don't know if you are using a two process method - interlace, then shrink. Adobe's Media Encoder would get me from 1080p to 576i in one step. Not the same as this question, but much of my work is from SD and 1080 HD files, and I actually edit in 720 - which seems to give the best upscaling and down scaling balance. Then it goes to DVD.


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    #24
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    I would not interlace your progressive footage as you'll just ruin it.


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    #25
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    These days people are saying that the best algorithm to deinterlace is QTGMC.

    Like you said, it will become 60 fps. To mix it with your other footage that is 30 fps, you have two choices:

    1. Make the master project 60 fps. The footage at 30 fps will just be frame doubled. The feel of the motion will shift, of course, whenever you cut between the two types of footage.
    2. Make the master project 30 fps. The footage at 60 fps will need to have every other frame discarded. Unless you've recorded some kind of scientific experiment for computer analysis, I know no reason to lament this "loss of information." The feel of the motion will be consistent now, whenever you cut between the two types of footage.


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    #26
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    Thanks for the tips, but isn't QTGMC Windows only?

    The project is finished and now I know how to de-interlace in Fusion and Resolve, and hopefully I'll never have to deal with interlaced footage again.


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