Prevent exception when muting (#2667)

dbkr · web-flow · commit c605310b8710 · 2022-09-13T20:02:14.000+01:00
Fixes element-hq/element-call#578
diff --git a/src/webrtc/groupCall.ts b/src/webrtc/groupCall.ts
@@ -476,7 +476,7 @@ export class GroupCall extends TypedEventEmitter<
         }
 
         for (const call of this.calls) {
-            call.localUsermediaFeed.setAudioVideoMuted(muted, null);
+            call.localUsermediaFeed?.setAudioVideoMuted(muted, null);
         }
 
         if (sendUpdatesBefore) {

Original file line number	Diff line number	Diff line change
`@@ -476,7 +476,7 @@ export class GroupCall extends TypedEventEmitter<`
`476`	`476`	`}`
`477`	`477`
`478`	`478`	`for (const call of this.calls) {`
`479`		`- call.localUsermediaFeed.setAudioVideoMuted(muted, null);`
	`479`	`+ call.localUsermediaFeed?.setAudioVideoMuted(muted, null);`
`480`	`480`	`}`
`481`	`481`
`482`	`482`	`if (sendUpdatesBefore) {`