src/main/java/org/jcodec/codecs/h264/io/model/Frame.java
public Frame cloneCropped() {
        if (cropNeeded()) {
            return cropped();
        } else {
            Frame clone = createFrame(this);
            clone.copyFrom(this);
            return clone;
        }
    }
public Frame cloneCropped() {
        if (cropNeeded()) {
            return cropped();
        } else {
            Frame clone = createFrame(this);
            clone.copyFrom(this);
            return clone;
        }
    }
Creates a cropped clone of this picture.

@return