revert change to avoid blocking seek, as it breaks looping.

java/libraries/video/src/processing/video/Movie.java

@@ -297,6 +297,34 @@ public class Movie extends PImage implements PConstants {
    * @brief Jumps to a specific location
    */
   public void jump(float where) {
+    if (seeking) return;
+
+    if (!sinkReady) {
+      initSink();
+    }
+
+    // Round the time to a multiple of the source framerate, in
+    // order to eliminate stutter. Suggested by Daniel Shiffman
+    float fps = getSourceFrameRate();
+    int frame = (int)(where * fps);
+    where = frame / fps;
+
+    boolean res;
+    long pos = Video.secToNanoLong(where);
+
+    res = playbin.seek(rate, Format.TIME, SeekFlags.FLUSH,
+                       SeekType.SET, pos, SeekType.NONE, -1);
+
+    if (!res) {
+      PGraphics.showWarning("Seek operation failed.");
+    }
+
+    // getState() will wait until any async state change
+    // (like seek in this case) has completed
+    seeking = true;
+    playbin.getState();
+    seeking = false;    
+    /*
     if (seeking) return; // don't seek again until the current seek operation is done.
 
     if (!sinkReady) {
@@ -329,6 +357,7 @@ public class Movie extends PImage implements PConstants {
       }
     };
     seeker.start();    
+    */
   }