Mask Path Keyframes - Not Interpolating

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I apologise if this has been answered elsewhere, but I haven't been able to find a solution to the exact issue I've been having.

Lately, when I've been trying to mask out a moving clip using either Crop or Opacity masks in Premiere Pro CC 2019, I've been finding that the Mask Path keyframes will not interpolate between each other as they're supposed to, rather jumping to the next keyframe on that frame and sticking to it until the next keyframe comes along. This forces me to keyframe every single frame, which, along with being far more time-consuming, inevitably leads to some jittering edges since it's near-impossible to place the points as accurately between two keys as the program can. This feature used to work perfectly for me in previous versions of the software and I could create high-quality masks relatively quickly, but now it's a time-consuming mess with less-than-desirable results.

Does anyone have any idea of a solution to this issue? Thanks.

J

Jack_Cameron-Poll9550

Participant

My solution was along the lines of:

I copy and pasted a tracking mask onto different layers (not more than one mask on one layer). At some point an error occurred where one keyframe will cause this jumping issue. Same where right clicking it, the options were blurred out. So I just deleted that misbehaving keyframe and remade it and it began to work again. I imagine it just didnt like me copy and pasting key frames even though I was copying entire groups of keyframes within one mask.

[Abuse removed by moderator]

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Pravartya

Participant

I have encountered the same problem and found out the following key points to get rid of this situation:
1) You should not be creating new masks in each keyframes ( there should not be Mask(2), Mask(3), etc)

2) In the next keyframe first just DRAG the mask then modify the mask points accordingly.

I was not following the 2nd point but now its working. I am having mask interpolation between any two keyframes.

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karlh43114057

Participant

Dear all,

I am encountering the same issue:

I have a mask that deforms at different keyframes. Between certain keyframes, there is interpolation of the mask, while between others, the mask remains the same as the first keyframe until the next keyframe. The interpolation options are grayed out, but linear is checked.

Additionally, I have observed the following:

When I begin to deform the mask at a subsequent keyframe and check the intermediate frames, the interpolation may be present. However, when I continue deforming the mask at the last keyframe and regularly check for interpolation, the issue of non-interpolation sometimes reoccurs. A temporary fix is to click ctrl-z (Windows) repeatedly until reaching a situation where the interpolation is working correctly. Then, continue editing your last mask from there until you notice the interpolation issue reappears, and you need to use ctrl-z again....

This bug is quite frustrating as it hampers the video editing process tremendously.

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Ourari_Hadi6858

Participant

have you found a solution because I'm going through the same exact problem

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jacobdv

Participant

Having this exact same issue

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Kevin J. Monahan Jr.

Legend

Describe your steps, Jacob. Please also give us info on your system and media.

Thanks,
Kevin

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Kevin Monahan - Sr. Community and Engagement Strategist – Adobe Pro Video and Audio

5

503Unavailable

Participant

I also have the same problem. I go into oppacity, create a mask in the middle, start and end of the clip, and instead of morphing between the 3 masks i made, it jumps harshly from one mask to another. my media is Full HD 25p at 50M XAVC S HD, system is a i7 8750H, a 2080 max q, Crucial 32GB 2400MHz RAM and 500GB Samsung nvme m.2 ssd

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