added new UI for python version

Now python users can also enjoy the easy UI

Python Version/DatamoshLib/FFG_effects/jscripts/Delay.js

@@ -0,0 +1,71 @@
+// dd_delay.js
+// works kinda like an audio delay
+// stacks the previous n frames into a buffer
+
+// global variable holding forward motion vectors from previous frames
+var prev_fwd_mvs = [ ];
+
+// change these values to use a smaller or greater number of frames to
+// perform the average of motion vectors
+
+// try making the delay long enough to overlap an edit in the content ...
+var delay = 20;
+
+function glitch_frame(frame)
+{
+    // bail out if we have no motion vectors
+    let mvs = frame["mv"];
+    if ( !mvs )
+        return;
+    // bail out if we have no forward motion vectors
+    let fwd_mvs = mvs["forward"];
+    if ( !fwd_mvs )
+        return;
+
+    // update variable holding forward motion vectors from previous
+    // frames. note that we perform a deep copy of the clean motion
+    // vector values before modifying them.
+    let json_str = JSON.stringify(fwd_mvs);
+    let deep_copy = JSON.parse(json_str);
+    // push to the end of array
+    prev_fwd_mvs.push(deep_copy);
+    // drop values from earliest frames to always keep the same tail
+    // length
+    if ( prev_fwd_mvs.length > delay )
+        prev_fwd_mvs = prev_fwd_mvs.slice(1);
+
+    // bail out if we still don't have enough frames
+    if ( prev_fwd_mvs.length != delay )
+        return;
+
+    // replace all motion vectors of current frame with an average
+    // of the motion vectors from the previous 10 frames
+    for ( let i = 0; i < fwd_mvs.length; i++ )
+    {
+        // loop through all rows
+        let row = fwd_mvs[i];
+        let delay_row = prev_fwd_mvs[0][i];
+        let insert_row = prev_fwd_mvs[delay-1][i];
+
+        for ( let j = 0; j < row.length; j++ )
+        {
+            // loop through all macroblocks
+            let mv = row[j];
+			let dmv = delay_row[j];
+            let imv = insert_row[j];
+            // THIS IS WHERE THE MAGIC HAPPENS
+
+		// temp copy of the incoming vectors
+			let x = mv[0];
+			let y = mv[1];
+		// pull their replacements out of the buffer
+            mv[0] = dmv[0];
+            mv[1] = dmv[1];
+		// feedback the 'old' with the 'new' for next time
+            imv[0] = x;
+            imv[1] = y;
+		// rinse and repeat
+
+        }
+    }
+}