Remove live stream middle segment guess (matches v0.14.0)

Author: Rob Walch

src/controller/base-stream-controller.ts

@@ -463,13 +463,6 @@ export default class BaseStreamController extends TaskLoop {
       }
     }
 
-    // If no fragment has been selected by this point, load any one
-    if (!frag) {
-      const len = fragments.length;
-      frag = fragments[Math.min(len - 1, Math.round(len / 2))];
-      this.log(`Live playlist, switching playlist, unknown, load middle frag : ${frag!.sn}`);
-    }
-
     return frag;
   }
 

src/controller/level-controller.ts

@@ -441,16 +441,14 @@ export default class LevelController implements NetworkComponentAPI {
   }
 
   protected onAudioTrackSwitched (event: Events.AUDIO_TRACK_SWITCHED, data: TrackSwitchedData) {
-    const audioGroupId = this.hls.audioTracks[data.id].groupId;
-
     const currentLevel = this.hls.levels[this.currentLevelIndex as number];
     if (!currentLevel) {
       return;
     }
 
     if (currentLevel.audioGroupIds) {
       let urlId = -1;
-
+      const audioGroupId = this.hls.audioTracks[data.id].groupId;
       for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {
         if (currentLevel.audioGroupIds[i] === audioGroupId) {
           urlId = i;