From a4dc9ddef8a6750e6c56f7c77e24b484a452beae Mon Sep 17 00:00:00 2001
From: Rob Walch <rob@jwplayer.com>
Date: Wed, 14 Apr 2021 11:46:51 -0400
Subject: [PATCH] Reset stream controller ENDED state after flushing the buffer
 Resumes streaming after level or track switch after the last segment has been
 appended

---
 src/controller/audio-stream-controller.ts | 13 ++-----------
 src/controller/base-stream-controller.ts  |  3 +++
 2 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/src/controller/audio-stream-controller.ts b/src/controller/audio-stream-controller.ts
index 2668a54aba6..56e7e74c99b 100644
--- a/src/controller/audio-stream-controller.ts
+++ b/src/controller/audio-stream-controller.ts
@@ -648,12 +648,7 @@ class AudioStreamController
               'Buffer full error also media.currentTime is not buffered, flush audio buffer'
             );
             this.fragCurrent = null;
-            // flush everything
-            this.hls.trigger(Events.BUFFER_FLUSHING, {
-              startOffset: 0,
-              endOffset: Number.POSITIVE_INFINITY,
-              type: 'audio',
-            });
+            super.flushMainBuffer(0, Number.POSITIVE_INFINITY, 'audio');
           }
         }
         break;
@@ -824,11 +819,7 @@ class AudioStreamController
     const { hls, media, trackId } = this;
     if (media) {
       this.log('Switching audio track : flushing all audio');
-      hls.trigger(Events.BUFFER_FLUSHING, {
-        startOffset: 0,
-        endOffset: Number.POSITIVE_INFINITY,
-        type: 'audio',
-      });
+      super.flushMainBuffer(0, Number.POSITIVE_INFINITY, 'audio');
     }
     this.audioSwitch = false;
     hls.trigger(Events.AUDIO_TRACK_SWITCHED, { id: trackId });
diff --git a/src/controller/base-stream-controller.ts b/src/controller/base-stream-controller.ts
index faaf3710dea..d3e67afbaec 100644
--- a/src/controller/base-stream-controller.ts
+++ b/src/controller/base-stream-controller.ts
@@ -1185,6 +1185,9 @@ export default class BaseStreamController
     // (so that we will check against video.buffered ranges in case of alt audio track)
     const bufferedTimeRanges = BufferHelper.getBuffered(media);
     this.fragmentTracker.detectEvictedFragments(type, bufferedTimeRanges);
+    if (this.state === State.ENDED) {
+      this.state = State.IDLE;
+    }
   }
 
   protected resetLiveStartWhenNotLoaded(level: number): boolean {