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Motion “Strobe” effect in FCP template
I’m using the Motion “Strobe” effect in a template in which I want some movement (source video or other animation) to not update every frame. For example let’s say I only want the movement to update 10 or 15 times per second I apply the effect in the template and set the “Strobe Rate” parameter to 10 or 15. It previews and exports from Motion as expected but in FCP the movement seems to (inconsistently but frequently) stutter back and forth – it looks like the update rate isn’t just changing but I’m even seeing some frames in the wrong order etc…. This seems to be true even if I make a simple test template with only the strobe effect and the problem is apparent on source video and also some motion generated shapes or patterns animating.
Does anyone have any suggestions how to do this in a way that it will work as expected within FCP ?
And a second question is ; Is there another way (a standard built in FCP way) to get video to update at less than the frame rate in FCP ? Thanks for any replies.
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5 Replies
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I might have already found the answer in an old cow post here… I’ll look more at this when I’m back at the Mac…
https://forums.creativecow.net/docs/forums/post.php?forumid=344&postid=44072
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I’m reporting my findings so future explorers lost among the obscure time related issues of Apple Motion template building might find them…
Looking at Bret’s smooth strobe template I noticed the duration (of his template Motion project) was precisely 1 hour. I made mine 1 hour and that avoided the glitchiness I was seeing with the strobe on the source video but it introduced a new problem with some parameters I was auto-animating with the “Rate” behavior (the Rate behavior seemed to not work all the way through the effect if the template duration was so long) – so I made my template project precisely 1 minute duration and it still seems to solve the problem and my rate behavior is still functional. “Ordinarily” the duration of the template project shouldn’t be relevant but for some reason it seems to be in this case…
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For the ported motion effect, and my plug, (which is just the motion effect published) you’ll get the shakiness thing if you’re using the first few frames of a video clip. Usually, just trim a little off and all is well. It’s a bizarre issue. Making the effect duration hr mitigated some issues, but as you can see there are some weird issues sometimes. Especially if you’re trying to use all of a really long clip. This is probably while Apple hasn’t put it in FCPX themselves.
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https://BretFX.com FCPX Plugins & Templates for Editors & Motion Graphics Artists
Hang Tag https://bretfx.com/product/hang-tag
Overshoot Text https://bretfx.com/product/overshoot-text/
Outliner https://bretfx.com/product/outliner/
Clock Maker https://bretfx.com/product/bretfx-clock-maker/ -
I haven’t tested this exhaustively yet, but getting back to this issue just now it just occurred to me to try putting a Motion “Project Loop end” marker at the end of the template – and so far this seems to work to avoid the strobe/stutter problem
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Will definitely check it out. Thanks!
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https://BretFX.com FCPX Plugins & Templates for Editors & Motion Graphics Artists
Hang Tag https://bretfx.com/product/hang-tag
Overshoot Text https://bretfx.com/product/overshoot-text/
Outliner https://bretfx.com/product/outliner/
Clock Maker https://bretfx.com/product/bretfx-clock-maker/
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