How to use Kdenlive's effects: transform, blur, crop, rotate...

In this one we'll see how to animate objects, such as Images, text, and titles. As with the previous tutorial, all files used here will be available through the link in the description below !

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TRANSFORM The transform effect is your go-to tool to animate these things. It can be used to adjust the scale of any element, its position on the screen, and even its dimensions, to stretch or shrink it. It also supports keyframes.

Let's see how to animate the appearing of a video clip. First, we'll drag a background clip to the timeline. This will be used to have something interesting to look at while our video clip is appearing. Now, we'll try to make our video clip appear from the left side of the screen, while growing in size before occupying the whole screen.

We'll drag our second clip to another track in the timeline.

Now, we'll search for the transform effect in the effects pane, and drag it to that second clip. Let's select the starting position with the first keyframe, and place our clip outside of the screen by dragging the handle that appears in the middle. This means it'll start hidden. Let's also change it's scale to 50%. We'll then add a second keyframe with the + button in the transform effect settings, and place the clip in the middle with the position buttons. Now, let's add a rubberbanding effect, with which the clip will seem to bounce a little at the end of its movement. To do this, we'll click on our second keyframe, and select the "smooth" acceleration instead of the linear one. Let's also add a third keyframe just a bit after our second one, with the exact same properties.

BLUR While not strictly an animation, the blur effect can be used to make things a bit more interesting. If we take our example above, our background video can be a little distracting. We could add a blur effect to the background clip. Let's browse for "blur" in the effects panel, and drag that effect onto our clip. We can then play with the values to adjust it to where we want it to be. The blur effect supports keyframes as well. Interesting thing to note is that you can also add a keyframe by double clicking in the monitor, and a keyframe will be added where your playhead is located.

ROTATE This effect allows to rotate a clip on its X, Y, or even Z axis, which makes it seem like it's moving. Since it supports keyframes, we can use it to simulate movement. Let's take for example a webpage we'd like to have scrolling on the screen, but with a titled axis, instead of staying boring and flat.

We'll drag a background clip, si ... https://www.youtube.com/watch?v=x9636Zjtha4