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14 Nov 2020
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TOPIC: Chroma Keying

Chroma Keying 23 Sep 2013 23:15 #31462

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HI, Im very new to final cut pro X and Ive decided to jump head first into my first video editing project.

Some friends of mine who helped with the filming put up small bits of green in the background to key out. At first this seemed like a great idea but now I am faced with the challenge of figuring this out.
There is some other green in the SAME shot that I do NOT want keyed out.

Can anyone point me into the right direction where I can learn how to only key out small sections and not the entire background of a clip ?
I have a feeling I need to do some cropping along with the chroma key/duplicating of the file etc but need some pointers on how to get this done.

Thank you in advance.

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Chroma Keying 25 Sep 2013 15:34 #31541

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I think an approach to this would vary greatly based on size and location of the "small bits of green." Can you post an example, even a still, of what you're talking about?

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Chroma Keying 26 Sep 2013 21:08 #31621

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After messing around with it I think I have found a way. Please let me try and explain what I am doing the best I can. Please forgive me if my terminology is incorrect.

I downloaded a masking tool plugin (ALEX4D Mask +16) that gives me 16 points instead of 4 . I placed this on the duplicate file above, placed the keyer on the main video file and then finally the keyed out image below that.

Is there any easier and more efficient way of doing this ?
Also should i mix down the file and start a new project before doing this ? Its going to be a long messy process I think.

Thanks for you help.

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Chroma Keying 26 Sep 2013 21:14 #31622

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Chroma Keying 13 Jan 2018 19:05 #93257

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wow... now it's 5 years from your message and FCPX still doesn't have a masking option on keying! how it could be : ))

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Chroma Keying 13 Jan 2018 19:56 #93259

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Because it's super easy to do with the mask effect, or even easier with SliceX. I key green screen for broadcast every other week, and I've no complaints about the keyer.

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Chroma Keying 13 Jan 2018 23:11 #93261

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FCPX.guru wrote: Because it's super easy to do with the mask effect... ...or SliceX

Do you mean making the mask effect (or SliceX) on the duplicated clip over the primary clip?
It's how we have to do it till now, but it's absolutely not the elegant way... to have a duplicated connected clips all over the timeline, applying a mask on them, then compounding all that mess... what a wasting of actions : )
Or maybe I just got it wrong?

In Adobe Premiere the masking option is right there in the keying effect just in one button (but I don't like PrPro)

PS: speaking of SliceX...
I've got a Coremelt's Everything Bundle on this black friday - a must-have solution!

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Last edit: by SadMac.

Chroma Keying 14 Jan 2018 14:22 #93275

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Fill out the feedback page, request the feature. If enough folks do, they'll move it up to a priority.

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