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Activity Forums Apple Final Cut Pro Legacy Blending clip between SmoothCam and non-SmoothCam states

  • Blending clip between SmoothCam and non-SmoothCam states

    Posted by Navarro Parker on May 28, 2008 at 9:05 pm

    I have one clip where the first part I don’t want smoothed, and the second half I want smoothed.

    Is it possible to blend between the two states? Animating the Mix slider produces an ugly crossfade. And I can’t animate the Translation or Scale smooth sliders.

    I tried chopping the clip into two and applying SmoothCam just to the second half, but the scale jumps at the transition point.

    I’m half thinking of taking the clip into Shake to use SmoothCam there.

    Ryan Mast replied 16 years, 1 month ago 5 Members · 4 Replies
  • 4 Replies
  • Daniel Arts

    May 29, 2008 at 12:08 am

    I would keep with the splitting the clip idea and match the scale and position of the first frame of the smoothed clip with the last frame of the unsmoothed clip.

    Hope this works for you, but you are right, bringing it into After Effects or Shake would allow for more control.


  • Michael Sacci

    May 29, 2008 at 12:18 am

    if you take the first half that is spilt and enlarge it to the amount applied to the first frame of the smoothed clip it may give you a smooth transition.

  • Todd Reid

    May 29, 2008 at 1:46 pm

    What happens when you smoothcam the whole thing?
    I assume it does something you don’t like. I will also guess that it is similar to matching the scale to the second half.

    Here is a suggestion….
    When you go to match your first half of clip, keyframe the scale so that it begins at regular fullscreen, then moves smoothly to its ending point (which would be your match to the second half).
    Hopefully the clip is long enough so that it doesn’t look like a camera move. A linear move (not ease in/ease out) may look smoother.

  • Ryan Mast

    May 29, 2008 at 5:32 pm

    Any other options, like using a flashframe or cutting away to something else? Cheap cover, but it works.

    Here’s what I do:
    Slide auto-scale down to 0. How much was it scaling initially? If it’s less than 105%, don’t worry about it. The smoothcammed clip will USUALLY drift back into the center of the screen by the end of the edit, so you can cleanly cut to the unsmoothcammed clip. However, if you need to cover black edges by scaling, still leave auto-scale off, but zoom in with the scale slider in the motion tab in your first clip. Then punch that same number into your second clip, and you can keyframe a scale out to 100% in your second clip, if you’d like. It depends on your footage — in my experience, scaling using motion instead of the auto-scale in SmoothCam usually matches two clips of the same shot a little better. Maybe add a soft wipe if you need to cover a little drift. Soft wipe or some other gradient-based transition is a little better than a cross dissolve in this case usually, if both clips are a pixel or two off — if you cross portions of the image at a time instead of all at once, the eye doesn’t notice it as readily, make sense? You already saw what cross-dissolving the whole image at once looks like.

    YMMV. It depends on the footage and how SmoothCam is acting. Good luck.

    In other news, turning auto-scale off and turning Translation, Rotation, and Scale all the way up on really bad footage can produce some interesting effects. I put this together for fun, just to see how much I could abuse it…

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