Added onUpdate signal.

Author: photonstorm

src/pixi/textures/VideoTexture.js

@@ -47,6 +47,7 @@ PIXI.VideoTexture = function(source, scaleMode)
     }
 
     this.onPlay = new Phaser.Signal();
+    this.onUpdate = new Phaser.Signal();
     this.onComplete = new Phaser.Signal();
 
 };
@@ -60,6 +61,13 @@ PIXI.VideoTexture.prototype.play = function()
     this.onPlay.dispatch();
 };
 
+PIXI.VideoTexture.prototype.changeSource = function(src)
+{
+    this.source.src = src;
+    this.source.play();
+    this.onPlay.dispatch();
+};
+
 PIXI.VideoTexture.prototype.stop = function()
 {
     if (this.source && !this.source.paused)
@@ -81,6 +89,7 @@ PIXI.VideoTexture.prototype._onUpdate = function()
     {
         window.requestAnimationFrame(this.updateBound);
         this.dirty();
+        this.onUpdate.dispatch(this);
     }
 };