I think what he wants to do, what will really be good for him is to wear a mask. F3 in the composer.
Another option is to edit this video that you want to put on top, with the measurements you want 1:1, export it like this, and then insert it into this project. El vie., 17 abr. 2020 a las 1:18, Phyllis Smith (<phylsmith2...@gmail.com>) escribió: > Have you tried the "Crop & Position" plugin instead of the "Crop tool" in > the Compositor? IgorBeg is the expert on usage. > > On Thu, Apr 16, 2020 at 4:43 PM David Given <d...@cowlark.com> wrote: > >> I have two video tracks; one is overlayed on the other. I'm using >> projector automation to put the overlay video in the corner of the >> underlying video. I would like to crop the overlay video so it only shows >> the section I'm interested in. The overlayed video is a 1:1 image in the >> middle of a 16:9 video, and I just want to show the 1:1 bit. I can't figure >> out how to do this. >> >> - I thought I would be able to use the camera automation to scale the >> image after I had placed the projector, but while this works, it happens >> *before* any track plugins are rendered, and as one of these is rotation >> I always end up with a rotated rectangle on the screen. (With black >> borders.) >> - using the crop plugin adds more black borders. >> - I tried a mask, but I haven't found out how to invert the mask (i.e. I >> draw the area I want displayed so that everything else is cropped); plus >> cropped areas show up as black. >> - I simply can't get my head around the crop tool. >> >> The best I've come up with is to add a scale plugin to the track to >> resize it up a bit, so that the black wedges caused by the rotate plugin >> aren't visible; then adjusting the camera to zoom in on the are I'm >> interested in; but I haven't found a way to change the *shape* of the >> projector yet. It's always a 16:9 rectangle, but the area I want to show >> isn't that shape. >> >> What's the right way to do this? Ideally what I would like is the ability >> to draw a path on an object on the screen and say 'clip this object to this >> path'. Does anything like that exist? >> >> -- >> ┌─── http://www.cowlark.com ─── >> │ "I have always wished for my computer to be as easy to use as my >> │ telephone; my wish has come true because I can no longer figure out >> │ how to use my telephone." --- Bjarne Stroustrup >> -- >> Cin mailing list >> Cin@lists.cinelerra-gg.org >> https://lists.cinelerra-gg.org/mailman/listinfo/cin >> > -- > Cin mailing list > Cin@lists.cinelerra-gg.org > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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