player: call videojs.destroy() when transitioning

player/base.coffee

@@ -32,3 +32,5 @@ window.Player = class Player
 
     getVolume: (cb) ->
         cb(VOLUME)
+
+    destroy: ->

player/update.coffee

@@ -16,6 +16,12 @@ TYPE_MAP =
     im: ImgurPlayer
 
 window.loadMediaPlayer = (data) ->
+    try
+        if window.PLAYER
+            window.PLAYER.destroy()
+    catch error
+        console.error error
+
     if data.meta.direct and data.type != 'gd'
         try
             window.PLAYER = new VideoJSPlayer(data)

player/videojs.coffee

@@ -131,6 +131,7 @@ window.VideoJSPlayer = class VideoJSPlayer extends Player
         # existing player object, however it appears to be pretty glitchy when
         # a video can't be played (either previous or next video).  It's safer
         # to just reset the entire thing.
+        @destroy()
         @loadPlayer(data)
 
     play: ->
@@ -165,3 +166,8 @@ window.VideoJSPlayer = class VideoJSPlayer extends Player
                 cb(@player.volume())
         else
             cb(VOLUME)
+
+    destroy: ->
+        removeOld()
+        if @player
+            @player.dispose()