humble-video-noarch/src/main/java/io/humble/video/FilterLink.java
public Rational getTimeBase() {
    long cPtr = VideoJNI.FilterLink_getTimeBase(swigCPtr, this);
    return (cPtr == 0) ? null : new Rational(cPtr, false);
  }
public Rational getTimeBase() {
    long cPtr = VideoJNI.FilterLink_getTimeBase(swigCPtr, this);
    return (cPtr == 0) ? null : new Rational(cPtr, false);
  }
Define the time base used by the PTS of the frames/samples<br>
which will pass through this link.<br>
During the configuration stage, each filter is supposed to<br>
change only the output timebase, while the timebase of the<br>
input link is assumed to be an unchangeable property.<br>
<br>
@return the timebase