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628Final Cut Pro User Guide
5. To create the starting shape of your animated mask, do one of the following:
• Adjust the onscreen controls in the viewer.
• Adjust the mask controls in the Video inspector.
6. To add keyframes for the starting shape of your animated mask, do one of the following
in the Video inspector:
• Add a keyframe for a single parameter: Move the pointer over the area to the right of
the parameter you want to animate, then click the Keyframe button that appears.
• Add a keyframe to every mask effect parameter: Move the pointer over the far-right
side of the effect heading, click the down arrow that appears, and choose Add from
the pop-up menu.
After you add a keyframe, the Keyframe button changes to yellow, indicating that the
playhead is positioned on this keyframe.
7. In the timeline, move the playhead to the next point where you want to define the mask
shape, and repeat steps 4 and 5.
Final Cut Pro adds a keyframe for the parameters you adjusted, and the Keyframe
button changes to yellow.
When you move the playhead in the timeline, arrows appear next to the Keyframe button
in the Video inspector to indicate which side of the playhead has keyframes. To go to
the previous keyframe, click the left arrow. To go to the next keyframe, click the right
arrow.
8. Continue adjusting the mask shape and adding keyframes as needed.
To see the effect of your animation, play the clip.