From 5d8e8483d1ebcea2d20443750e6524a96265d937 Mon Sep 17 00:00:00 2001
From: Arkadiusz Fal <arek@arekf.net>
Date: Tue, 16 May 2023 18:51:07 +0200
Subject: [PATCH] Minor performance improvement

---
 Model/Player/Backends/MPVBackend.swift |  4 +++-
 Model/Player/PlayerModel.swift         | 16 ++++++++++------
 Model/Player/PlayerSponsorBlock.swift  |  4 +++-
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/Model/Player/Backends/MPVBackend.swift b/Model/Player/Backends/MPVBackend.swift
index 7954a83f..fa2e4bb8 100644
--- a/Model/Player/Backends/MPVBackend.swift
+++ b/Model/Player/Backends/MPVBackend.swift
@@ -222,7 +222,9 @@ final class MPVBackend: PlayerBackend {
     func playStream(_ stream: Stream, of video: Video, preservingTime: Bool, upgrading: Bool) {
         #if !os(macOS)
             if model.presentingPlayer {
-                UIApplication.shared.isIdleTimerDisabled = true
+                DispatchQueue.main.async {
+                    UIApplication.shared.isIdleTimerDisabled = true
+                }
             }
         #endif
 
diff --git a/Model/Player/PlayerModel.swift b/Model/Player/PlayerModel.swift
index 2d6e6625..bb1e1fc3 100644
--- a/Model/Player/PlayerModel.swift
+++ b/Model/Player/PlayerModel.swift
@@ -459,12 +459,16 @@ final class PlayerModel: ObservableObject {
             return
         }
 
-        streamSelection = stream
-        playStream(
-            stream,
-            of: currentVideo,
-            preservingTime: !currentItem.playbackTime.isNil
-        )
+        DispatchQueue.global(qos: .userInitiated).async {
+            DispatchQueue.main.async {
+                self.streamSelection = stream
+            }
+            self.playStream(
+                stream,
+                of: currentVideo,
+                preservingTime: !self.currentItem.playbackTime.isNil
+            )
+        }
     }
 
     private func handlePresentationChange() {
diff --git a/Model/Player/PlayerSponsorBlock.swift b/Model/Player/PlayerSponsorBlock.swift
index c92c6ff8..5c5976a0 100644
--- a/Model/Player/PlayerSponsorBlock.swift
+++ b/Model/Player/PlayerSponsorBlock.swift
@@ -95,6 +95,8 @@ extension PlayerModel {
 
     func resetSegments() {
         resetLastSegment()
-        restoredSegments = []
+        DispatchQueue.main.async { [weak self] in
+            self?.restoredSegments = []
+        }
     }
 }