The scale percentage appears at the top of the clip.
A negative number on top of the clip indicates the number of frames trimmed.
A white dot on a child clip indicates that it is trimmed because of the parent clip. The white dot does not appear if a child clip is too small to display.
A black dot on the trimmed clip indicates that there is animation outside the clip.
See Time Editor Clip symbols for more.To adjust the looping, click and drag the edges of the looped area of the clip. A Loop After value (0.3 in the above figure) appears to indicate the number of loops the clip contains. If you loop the left side of the clip, then it is the Loop Before value. When you scale, trim, or loop a clip, the virtual border of a clip becomes the real border to perform all edit operations.
To extend a parent clip
When you adjust the weight of a clip, you control how much influence it has compared to the other clips in the resulting animation. The higher the mix weight, the more strongly the clip contributes to the animation.