(In response to: pvpcom20)
If you (and can you) send the clip and adjustment layer to After Effects
via Dynamic link, do you see the same difference in the effect compared
to applying it directly to the layer?
I am still running 5.0.3. so I don't know if Pr adjustment layers are
translated to Ae adjustment layers when using Dynamic Link.
I just tried this on a few sample clips - one of general outside footage and one of a computer screen close-up that had some moire. I split the clip and placed a fast blur directly on one half of the clip and an adjustment layer over the second half of the clip with the same fast blur effect on that adjustment layer. I also tried the same with the gaussian blur instead of the fast blur.
I couldn't see any difference at all in the two methods.
Maybe there's something specific to your setup (graphics card/drivers) or footage format etc?
I'm on a GTX570 Win7 Pro, i7 x980 (6 core with hyperthreading). 24GB
Tested myself. Couldn't see any difference between application methods.
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There is a very common misstatement and misunderstanding of how adjustment layers work, which I'll repeat here: "Applying an effect to an adjustment layer applies the effect to all layers under the adjustment layer."
That's wrong in a subtle but important way.
What actually happens is that applying an effect to an adjustment layer applies the effect to the composited result from all of the layers under the adjustment layer.
This is an important distinction, because it puts the adjustment at a different place in the order of operations in the rendering pipeline.
Anyway, that's a long and perhaps overly theoretical way of saying that, yes, you may see some difference between applying an effect directly to a bunch of clips compared with applying the effect to an adjustment layer over that same bunch of clips.