Apple 7 manual Change a filter over time using keyframes

Change a filter over time using keyframes:

1With Black and White chosen in the “Tint type” pop-up menu for the Color Tint filter, click in the Timeline and press Home to position the playhead at the beginning of the clip.

2Click the Keyframe button for the “Tint amount” parameter.

Keyframe button

3Press Shift–Right Arrow twice to move the playhead ahead 2 seconds in the clip.

4Click the Keyframe button to add another keyframe.

5Drag the “Tint amount” slider to 0 (zero) to make the clip change to its original color.

6If necessary, press Option-R to render the clip, then play it to see the tint of the clip change over time.

Experiment with applying different filters and adding keyframes:

mm Try adding different filters to Sample Clip 1 (using the Video Filters submenu of the Effects menu) and keyframing their effects.

156

Chapter 8    Adding Video Filters and Transitions