From 1ca641453193391759b740616ead0ddd7c49e30d Mon Sep 17 00:00:00 2001
From: wuyueyang <wuyueyang@mixin.one>
Date: Thu, 3 Jun 2021 23:04:14 +0800
Subject: [PATCH] Log player error when encountered

---
 .../Controllers/Chat/Views/GalleryVideoView.swift    | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Mixin/UserInterface/Controllers/Chat/Views/GalleryVideoView.swift b/Mixin/UserInterface/Controllers/Chat/Views/GalleryVideoView.swift
index 6fc2e2c59a..093c097235 100644
--- a/Mixin/UserInterface/Controllers/Chat/Views/GalleryVideoView.swift
+++ b/Mixin/UserInterface/Controllers/Chat/Views/GalleryVideoView.swift
@@ -1,5 +1,6 @@
 import UIKit
 import AVFoundation
+import MixinServices
 
 final class GalleryVideoView: UIView, GalleryAnimatable {
     
@@ -22,6 +23,8 @@ final class GalleryVideoView: UIView, GalleryAnimatable {
         }
     }
     
+    private var playerStatusObserver: NSKeyValueObservation?
+    
     required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
         prepare()
@@ -74,6 +77,15 @@ final class GalleryVideoView: UIView, GalleryAnimatable {
         playerView.backgroundColor = .clear
         playerView.layer.videoGravity = .resizeAspect
         playerView.layer.player = player
+        playerStatusObserver = player.observe(\.status) { player, _ in
+            if player.status == .failed {
+                if let error = player.error {
+                    Logger.write(error: error)
+                } else {
+                    Logger.write(log: "[GalleryVideoView] Player reports failed but no error is provided")
+                }
+            }
+        }
         
         contentView.addSubview(coverImageView)
         contentView.addSubview(playerView)