ScreenFlow User Guide | Main Window : Properties — Video Properties
| Video Propertes These properties control the visual look of a clip. These properties only affect the selected clips. All of these properties can be varied over time by using a Video Action. For example, a “Ken Burns” Zoom and Pan effect can be accomplished with a Video Action. Properties Scale Controls the scale of the object. Scales equally in both X and Y direction, overriding any modified aspect ratio. If you want to change the aspect ratio, you can click on the object in the Preview Area and position it manually. Rotation Allows you to rotate the object around the X, Y, and Z axes. When using the wheels, you should move the mouse far away from the wheel to gain accuracy. Opacity Controls the alpha channel in the clip. This is how much you can “see through” the clip to what is behind it. When used in a Video Action, you can fade-in or fade-out a clip. Reflection You can add a reflection to the bottom of your clip, and vary the intensity of that reflection with the slider. Shadow Allows you to create a drop-shadow for the clip, controlling the angle, color, offset, opacity, and blur. Saturation Adjust the colour saturation of the clip. Brightness Adjust the colour brightness of the clip. Contrast Adjust the colour contrast of the clip. Add Video Action Adds a video action which allows you to vary the above properties over time. This can also be done by pressing the “+” button at the top right. Reset all settings to their default values.