rename to embeds.js

pandora/text/templates/pdf/viewer.html

@@ -35,7 +35,7 @@ limitations under the License.
             embeds = {{embeds|safe}},
             editable = {{editable|safe}};
     </script>
-    <script type="text/javascript" src="/static/pdf.js/links.js"></script>
+    <script type="text/javascript" src="/static/pdf.js/embeds.js"></script>
     <script type="text/javascript" src="/static/pdf.js/viewer.js"></script>
     <link rel="stylesheet" type="text/css" href="/static/pdf.js/css/videopdf.css"/>
   </head>

static/pdf.js/embeds.js

@@ -100,7 +100,7 @@ function getVideoOverlay(page) {
                     + 'https://0xdb.org/0315594/00:13:37,00:23:42 or\n'
                     + 'http://pad.ma/A/editor/00:00:00,00:01:00,00:02:00'
                     + (video ? '\n\nTo remove the video, just remove the URL.' : ''),
-                    video.src
+                    video ? video.src : ''
                 );
                 if (url !== null) {
                     if(!video) {