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Generate Custom mask in FCP?
Hey all,
In dire need of help if anyone can! I need to be able to make a custom layer mask for my footage to make it boxed at roughly 1080×1080.
I need to make a box for my footage to go in and I need to be able to edge feather the mask so the edges aren’t sharp.
I’ll be basically doing this to two seperate pieces of footage and then creating a split screen just like in 500 days of Summer:
https://www.youtube.com/watch?v=pKDj7DJZMnI
I know I could crop each shot, but we’re probably going to have to reframe a lot of shots and it’d be SO much easier if we could have a generator mask just to put over it.
Any help would be so much appreciated!
Thank you
Gary
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5 Replies
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Crop it in the motion tab. If it’s a sequence, nest it then crop in the motion tab.
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Hey thanks for getting back to me.
That is the easiest way and I’ve got some great results in terms of look, but as I said a lot of these shots will need to be reframed within the box. Obviously with a crop the box will move with the image if I try and do that, so I need a mask on a seperate track that’ll stay put whilst I move the footage.
Am I making sense?
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Why not just create what you want in Motion, if the FCP masking tools aren’t cutting it for you?
Motion has great masking capability and is well integrated with FCP.
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use photoshop for making mask in any shape, scale design, edges in black and white and use layer mode to luma for the footage
Sachin Desai
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Sure. I often do Photoshop type work in FCP. If you just want a black matte with two holes, just create 2 black boxes next to each other. Press shift+N to make a freeze of them. Add an alpha invert filter and freeze it again. Or any number of ways to get to a freeze with two transparent holes. Of course a png from Photoshop works easy too, but sometimes it’s just quicker on FCP for simple stuff. Anyway, just put the matte on top and move the clips into place beneath.
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