update components

dashboard-ui/bower_components/hls.js/src/controller/mse-media-controller.js

@@ -54,13 +54,14 @@ class MSEMediaController extends EventHandler {
   }
 
   startLoad() {
-    if (this.levels && this.media) {
+    if (this.levels) {
       this.startInternal();
-      if (this.lastCurrentTime) {
-        logger.log(`seeking @ ${this.lastCurrentTime}`);
+      var media = this.media, lastCurrentTime = this.lastCurrentTime;
+      if (media && lastCurrentTime) {
+        logger.log(`seeking @ ${lastCurrentTime}`);
         if (!this.lastPaused) {
           logger.log('resuming video');
-          this.media.play();
+          media.play();
         }
         this.state = State.IDLE;
       } else {
@@ -70,7 +71,7 @@ class MSEMediaController extends EventHandler {
       this.nextLoadPosition = this.startPosition = this.lastCurrentTime;
       this.tick();
     } else {
-      logger.warn('cannot start loading as either manifest not parsed or video not attached');
+      logger.warn('cannot start loading as manifest not parsed yet');
     }
   }
 
@@ -666,7 +667,7 @@ class MSEMediaController extends EventHandler {
                to avoid rounding issues/infinite loop,
                only flush buffer range of length greater than 500ms.
             */
-            if (flushEnd - flushStart > 0.5) {
+            if (Math.min(flushEnd,bufEnd) - flushStart > 0.5) {
               logger.log(`flush ${type} [${flushStart},${flushEnd}], of [${bufStart},${bufEnd}], pos:${this.media.currentTime}`);
               sb.remove(flushStart, flushEnd);
               return false;
@@ -679,6 +680,8 @@ class MSEMediaController extends EventHandler {
           return false;
         }
       }
+    } else {
+      logger.warn('abort flushing too many retries');
     }
 
     /* after successful buffer flushing, rebuild buffer Range array
@@ -1221,7 +1224,7 @@ _checkBuffer() {
               jumpThreshold = 0;
             } else {
               // playhead not moving AND media playing
-              logger.log('playback seems stuck');
+              logger.log(`playback seems stuck @${currentTime}`);
               if(!this.stalled) {
                 this.hls.trigger(Event.ERROR, {type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_STALLED_ERROR, fatal: false});
                 this.stalled = true;