0 1 Open our public relations software and import the video material to be processed.
Drag the video material to the video track on the right.
Drag the timeline somewhere in the video, and in the preview view, find a button of the camera icon, which is the export frame.
Name this frame, select the check box of Import into Project, and import it into the material library.
Drag the image to the front of the video on the right, so that the cover of the video will change.