humble-video-noarch/src/main/java/io/humble/ferry/JNIMemoryManager.java
void gcInternal()
  {
    JNIReference ref = null;
    while ((ref = (JNIReference) mRefQueue.poll()) != null)
    {
      ref.delete();
    }
  }
void gcInternal()
  {
    JNIReference ref = null;
    while ((ref = (JNIReference) mRefQueue.poll()) != null)
    {
      ref.delete();
    }
  }
The actual GC;