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Activity Forums Adobe After Effects Expressions “Video Roll” Effect, difiicult to describe….

  • “Video Roll” Effect, difiicult to describe….

    Posted by Dino Muhic on December 4, 2006 at 11:27 pm

    Hi guys, this is a tough one…

    I recently had an idea for a music video, it quite looks good in my mind and I now the only way doing it is in AE but I absolutely don’t have a clue how to do it without having a pain in the a…

    Imagine this (I’ll try to describe it): you take a video you shot and make a loooong image with every frame of the video attached to the next with photoshop (lets say from left to right)…so let’s say one second of PAL-DV-Footage would be 25×720 Pixel wide and 576 pixel high and then I import this image into AE and start to move it from the left (which is the first frame) to the right (last frame) and accelerate this more and more so it looks like the images are passing quickly by and you get the effect of motion happening.

    Its nothing else then a digital flip-book where you seperate the frames of the movie and then animate them back to a movie, but I dont know how I can spead up this process so I dont have to make an endless image of all frames of the video (which actually would be over 4 minutes long –> 6000 frames)…

    Or imagine a roll of toiletpaper where every sheat is one frame and then roll it up very quickly to get a motion…but this in AE 😀

    Do you understand what I tried to describe or do I need to make an example? Sorry for my bad english…

    Thank you
    Cletus

    Aroonzfx replied 19 years, 5 months ago 3 Members · 2 Replies
  • 2 Replies
  • Chris Smith

    December 4, 2006 at 11:40 pm

    This used to be an over used effect in the mid-90’s. It would be done by actually recording to tape the telecine transporting the film back and forth. Normally it plays in real time to tape, but when you shuttle it it does what you describe. Where you are seeing all the frames sequentially but they aren’t synced, you actually see them move through the screen. But in the end, it was only used for odd cuts or transitions because the actual image isn’t interesting it just looks like a bunch of vague motion. Have you tried just doing a 15 frame loop for a test to see if it’s worth exploring further?

    Off the top of my head without using expressions, you could use particular to set up an even stream of particles to go by in frame. Then assign a precomp of your movie to be the next frame attached to each “Custom” type particle. So each new particle that goes by the camera is assigned the next successive frame from your video.

    Chris Smith
    https://www.sugarfilmproduction.com

  • Aroonzfx

    December 5, 2006 at 5:25 am

    from premiere you can export as filmstrip..
    does it help u in any way ?

    regards
    aroonz

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