Simple keyframes are a quick way to animate a filter over the course of a clip. Simple keyframes only support two keyframes:
- The “start” keyframe is relative to the beginning of the clip and defines how the filter animates in.
- The “end” keyframe is relative to the end of the clip and defines how the filter animates out
The space between the start and the end keyframes is not animated
Simple keyframes are activated by dragging the circles in the upper left and right of the keyframes panel
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To set the starting values for the filter, move the cursor to the left side and then set the filter parameters in the filter panel.
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To set the middle values for the filter, move the cursor between the start and end keyframes and set the filter parameters in the filter panel.
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To set the ending values for the filter, move the cursors to the right side and then set the filter parameters in the filter panel.
Here is a demonstration that sets the brightness filter to animate in brightness, hold the brightness, and then animate out the brightness.