#5769 - Pause all audio attachments if receiving an incoming call.

Signal/Calls/UserInterface/CallUIAdapter.swift

@@ -97,6 +97,9 @@ public class CallUIAdapter: NSObject {
         }
         Logger.info("remoteAddress: \(caller)")
 
+        // make sure we dont have any audio playing as that will bug audio when it interacts with the call service
+        AppEnvironment.shared.cvAudioPlayerRef.pauseAll()
+
         // make sure we don't terminate audio session during call
         _ = SUIEnvironment.shared.audioSessionRef.startAudioActivity(call.commonState.audioActivity)
 

Signal/ConversationView/CVAudioPlayback.swift

@@ -248,6 +248,14 @@ public class CVAudioPlayer: NSObject {
         audioPlayback.stop()
         self.audioPlayback = nil
     }
+
+    //pause all function
+    public func pauseAll() {
+        guard let audioPlayback = self.audioPlayback else {
+            return
+        }
+        audioPlayback.pause()
+    }
 }
 
 extension CVAudioPlayer: AudioPlayerDelegate {
@@ -396,6 +404,12 @@ private class CVAudioPlayback: NSObject, AudioPlayerDelegate {
     deinit {
         stop()
     }
+
+    fileprivate func pause() {
+        AssertIsOnMainThread()
+
+        audioPlayer.pause()
+    }
 
     fileprivate func stop() {
         AssertIsOnMainThread()

SignalUI/AV/AudioPlayer.swift

@@ -195,6 +195,7 @@ public class AudioPlayer: NSObject {
         MainActor.assumeIsolated {
             DependenciesBridge.shared.deviceSleepManager?.removeBlock(blockObject: sleepBlockObject)
         }
+        teardownRemoteCommandCenter()
     }
 
     public func setupAudioPlayer() {