Don't die if we seek past highest PTS value we have tags for

@@ -302,6 +302,7 @@
 
         h264Frame.endNalUnit();
         this.tags.push(h264Frame);
+
       }
 
       h264Frame = null;
@@ -427,7 +428,9 @@
 
         // We did not find any start codes. Try again next packet
         state = 1;
-        h264Frame.writeBytes(data, start, length);
+        if (h264Frame) {
+          h264Frame.writeBytes(data, start, length);
+        }
         return;
       case 3:
         // The next byte is the first byte of a NAL Unit

@@ -406,12 +406,15 @@ var
             (function() {
               var tag = segmentParser.getTags()[0];
 
-              for (; tag.pts < offset; tag = segmentParser.getTags()[0]) {
+              for (; tag && tag.pts < offset; tag = segmentParser.getTags()[0]) {
                 segmentParser.getNextTag();
               }
 
               // tell the SWF where we will be seeking to
-              player.hls.el().vjs_setProperty('currentTime', tag.pts * 0.001);
+              if (tag) {
+                player.hls.el().vjs_setProperty('currentTime', tag.pts * 0.001);
+              }
+
               lastSeekedTime = null;
             })();
           }