How to - track matte usage for animation displayed on moving display

Question

Hi - hope someone can help. I need to create several fake animated ads and then put them onto a display at a Metro station. I'm getting there as I used track matte and then corner pin. I need to play around a little more with those to get them right. But one problem I can't figure out is how to get the blue placeholder to move around too so it looks more natural. The eventual animation will be there too and needs to wobble along with thre camera.
I tried to copy all of the keyframes of the track matte and paste them onto the blue image timeline but that didn't work - the keyframes didn't even paste. At the end of the mock up you see below, you'll see the footage without my blue BG just to give you an idea of what it looks like. Any help is appreciated.
https://www.youtube.com/watch?v=yQ2CLSQoh0c

Ann Bens · Accepted Answer

I think you need to make the background rock solid if you want to do this in Pr. Dont think you will ever get the ad to move along with the camera.

After Effects would be a better option: motion tracking.

Zwea · Answer

After Effects is definitely the way to go.

If you really want to stay within Premiere, you could use a plugin/extension called "Mask to Transform" by Kamil Pekala. It's been a while since I used it (heck, it's been over a year since I've actually done any editing), but this might also do the trick.

A little copy/paste from the description:

Automatic motion tracking of masks has been a feature built-into Adobe Premiere Pro for a long time, but it was never possible to stick to it something like a motion graphics layer, so that it will follow the movement of objects in the shot. But with this extension you can convert the keyframes of ”Mask Path” into keyframes of position/scale/rotation in a ”Transform” effect.

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