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Retiming is one of the great new features in Motion. In the past, you used to have to jump to Final Cut to retime your footage or even Shake, but now you can do it right within the Motion interface. So if you have got that one shot, but just isn't quite long enough, we can go ahead and fix that. There are a couple of ways we can do it. We can use Behaviors, or we can use the Inspector. So if it's not open already, we are in the 04_Retiming Project. Go ahead and select your footage and open the Inspector. Down at the bottom you will notice Timing.
If you open the Options for that, the first option is to Remap your Time at a Constant Speed. So if you do want to extend your footage, go ahead and just adjust the Speed down. I am going to adjust this one to 70%, and you noticed the footage got longer. Let me Undo that just so you can see, and Redo. It's extended the length of the footage. Go ahead and hit Shift O to move your playhead to the out point. Rewind you playhead to the beginning and hit the spacebar.
You see Motion really doesn't have much of an issue slowing footage down. But the car does look a little jittery, so let's look at some Frame Blending options. The first one is just Blending. This is the first easiest way for Motion to analyze the frames on either side and try and blend them together. Rewind your playhead to the beginning and hit the spacebar. That already looks a little bit better, but I know there could be better options. So click on Blending and adjust to Motion-Blur Blending.
This adds a Motion-Blur onto your car. So go ahead and hit the spacebar, and now you will notice it has just a slightly different blur to it. Go ahead and stop your playback and adjust your Frame Blending to Optical Flow. Rewind your playhead to the beginning and hit the spacebar. Now you will notice, it's kind of faint, but on the front of the car there is a slight distortion happening. Basically all that means is Optical Flow is analyzing each and every pixel of this image, and its blurring those pixels and blending them together to create a smooth looking image.
But if you slow some footage down too much, Optical Flow is just not quite the solution, because you will get this neat Distortion Effect. I kind of like it, so I am going to leave it for now. Go ahead and stop your footage, and the next way to remap your footage is Variable Speed. Go ahead and click on that. Notice, Optical Flow works with Variable Speed adjustments as well. Hit Cmd+8 to open your Keyframe Editor, and you will notice, my Retime value is set at a constant 28.
Let's go ahead and remap this Retime footage. Click on your Sketch tool and click up. Basically what I would like to see happen is have the car come in from the right, come to about here, rewind a little bit, and then shoot out of the scene. So again with the Sketch tool selected and Retime value selected, just click a little bit lower, and further down the Timeline. Now let's smooth this out. Grab your Selection tool and hold down Command and drag on each one of the Keyframes.
This will smooth out the motion as it's moving from one speed to another. Rewind your playhead to the beginning, and you will notice, when we applied that Retiming it actually shortened the footage. So drag your Play Range outpoint to the end of your Retiming and Rewind your playhead back to the beginning. Hit the spacebar, and let's see what the results are. Pretty cool. We are still getting a little bit of the Optical Flow distortion, but like I said, I think that's sort of adds to the effect.
So that's the basics of Retiming footage using the Inspector in Motion.
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