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Probelem with Footage:Special Effects files

Posted: Tue, 16th Mar 2010, 2:12pm

Post 1 of 13

ZackGavin

Force: 620 | Joined: 1st Jan 2009 | Posts: 37

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I'd say a little over half of the effects in the clip
art section do not work for me. When I put one that does work over my video, the black background becomes transparent as intended and I get the results I am looking for, But with a lot of the files the black background stays black and I end up with a black box with the effect playing in the middle over my video. I use the same method with one file as I do with the other, so I'm sure it's not user error. (espescially since the ones that do and don't work remain the same) Is there any way to fix these files so they work properly? Thanks!
Posted: Tue, 16th Mar 2010, 2:41pm

Post 2 of 13

Fxhome Dude

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Rating: +1

Try looking at these two knowledge base articles.
How do I change the Composite Blend Mode of a layer in EffectsLab?
Why is my second layer of video in EffectsLab transparent?.
They may answer your questions. Try the methods described in each.
Posted: Tue, 16th Mar 2010, 3:40pm

Post 3 of 13

ZackGavin

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Alright I'll give those methods a shot and update this post in a bit. thanks for the quick reply!
Posted: Tue, 16th Mar 2010, 3:57pm

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Axeman

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If the black doesn't remove automatically, its because the creator of the plug-in included a worthless alpha channel in the images. Converting the images to .jpeg or any other format that doesn't support alpha channels will strip the bad alphas out, and the plug-ins will work as expected.
Posted: Tue, 16th Mar 2010, 4:20pm

Post 5 of 13

Fxhome Dude

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I believe he's talking about the footage: special effects DVD. Bad alpha channels could be the case.
Zack: If the problem persists could you put a picture possibly?
Posted: Tue, 16th Mar 2010, 4:32pm

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Axeman

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The Clip Art section of the DVD in question is basically all of the old AlamDV plug-ins compiled for ease of use. So you are correct, but I think I am too.
Posted: Tue, 16th Mar 2010, 4:47pm

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Fxhome Dude

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My bad, I thought he was referring to the stock footage. smile
Posted: Tue, 16th Mar 2010, 6:38pm

Post 8 of 13

ZackGavin

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I've had no problems with the stock footage, it's the clip art that is hit and miss. However, I've been VideoWrapping the ones that don't work and it HAS been fixing them, so problem solved I guess. There are still a few that VideoWrap says are incompatible with the program, but not many. Kind of a lenghty process considering there was dozens of non-working ones, but it is working so can't complain. Thanks again.
Posted: Tue, 13th Apr 2010, 3:07pm

Post 9 of 13

ZackGavin

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OK, I got a new problem- but I think I'm on the short end of the stick with this one. Because I was able to get the Footage: Special Effects to work using the videowrap method, I went ahead and ordered Footage: Gore and Footage: Blood thinking I could fix them the same way if they didn't work. Well, I got the Gore DVD today and they won't work either way. I looked at earlier posts in this topic and came across this apparent cause: (Copy & Pasted from Fxhome dude's link) - "If your stock footage has a background of any color other than black, EffectsLab doesn't have the tools needed to remove the background." -
Well, the background in the gore DVD is white, and the white shows up over my video as well as the effect, so am I out of luck or is there a way I can fix it? Fortunately, the preview for the blood dvd shows the effects against a black background so hopefully those will be compatible.
Thanks for any help.
Posted: Tue, 13th Apr 2010, 3:11pm

Post 10 of 13

Axeman

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While it is true that EffectsLab is not intended to work with footage on white background, there is a cunning way to circumvent the problem:

You have to Invert the footage, which will turn the background black, so it gets removed, then use a Hue Shift filter to bring the color of the blood back to where it should be. I think that's how it works, if i remember correctly.
Posted: Tue, 13th Apr 2010, 5:14pm

Post 11 of 13

ZackGavin

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Cunning indeed. Your method worked, it's now just a matter of me fine-tuning the attributes so that it looks realistic. Thanks for the help.
Posted: Wed, 5th May 2010, 4:25pm

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C92094

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I'm having a similar problem with the muzzle flashes stock footage(black background) and some parts of action essentials (white background) but this is in composite lab, does the same trick work or do I need to do something different?
Posted: Wed, 5th May 2010, 5:31pm

Post 13 of 13

Axeman

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This is handled completely differently in CompositeLab, it being a different program and all. In CompositeLab, you just select the composite blend mode you want to use, or use a keying filter to remove the color you want to eliminate.