v0.11.0 regression fixes (video-dev#1867)

- Reassign audio track ids after filtering
- Unassign level property from audio tracks and captions
- Fix performance now usage typo

src/controller/audio-track-controller.js

@@ -289,7 +289,7 @@ class AudioTrackController extends TaskLoop {
         }
         // We need to match the (pre-)selected group ID
         // and the NAME of the current track.
-        if ((!this.audioGroupId || track.groupId === this.audioGroupId) &&
+        if ((!this.audioGroupId || track.groupId === this.audioGroupId) &&
           (!name || name === track.name)) {
           // If there was a previous track try to stay with the same `NAME`.
           // It should be unique across tracks of same group, and consistent through redundant track groups.

src/controller/level-controller.js

@@ -120,6 +120,10 @@ export default class LevelController extends EventHandler {
 
     if (data.audioTracks) {
       audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));
+      // Reassign id's after filtering since they're used as array indices
+      audioTracks.forEach((track, index) => {
+        track.id = index;
+      });
     }
 
     if (levels.length > 0) {

src/demux/aacdemuxer.js

@@ -45,7 +45,7 @@ class AACDemuxer {
     let track = this._audioTrack;
     let id3Data = ID3.getID3Data(data, 0) || [];
     let timestamp = ID3.getTimeStamp(id3Data);
-    let pts = isNaN(timestamp) ? timeOffset * 90000 : timestamp * 90;
+    let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;
     let frameIndex = 0;
     let stamp = pts;
     let length = data.length;

src/demux/demuxer-inline.js

@@ -19,7 +19,7 @@ import { getSelfScope } from '../utils/get-self-scope';
 
 // see https://stackoverflow.com/a/11237259/589493
 const global = getSelfScope(); // safeguard for code that might run both on worker and main thread
-const performance = global;
+const performance = global.performance;
 
 class DemuxerInline {
   constructor (observer, typeSupported, config, vendor) {

src/loader/playlist-loader.js

@@ -164,11 +164,11 @@ class PlaylistLoader extends EventHandler {
   }
 
   onAudioTrackLoading (data) {
-    this.load(data.url, { type: ContextType.AUDIO_TRACK, level: 0, id: data.id });
+    this.load(data.url, { type: ContextType.AUDIO_TRACK, level: null, id: data.id });
   }
 
   onSubtitleTrackLoading (data) {
-    this.load(data.url, { type: ContextType.SUBTITLE_TRACK, level: 0, id: data.id });
+    this.load(data.url, { type: ContextType.SUBTITLE_TRACK, level: null, id: data.id });
   }
 
   load (url, context) {