From 474dfc58ab075ac763ce7c4321adb3663bb032c0 Mon Sep 17 00:00:00 2001
From: kingslay <kingslay@icloud.com>
Date: Fri, 22 Dec 2023 20:19:17 +0800
Subject: [PATCH] fix #698

---
 Sources/KSPlayer/AVPlayer/KSOptions.swift | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Sources/KSPlayer/AVPlayer/KSOptions.swift b/Sources/KSPlayer/AVPlayer/KSOptions.swift
index 9a8938ce6..01703a3ac 100644
--- a/Sources/KSPlayer/AVPlayer/KSOptions.swift
+++ b/Sources/KSPlayer/AVPlayer/KSOptions.swift
@@ -509,13 +509,17 @@ public extension KSOptions {
         var channelCount = channelCount
         if channelCount > 2 {
             let minChannels = min(maximumOutputNumberOfChannels, channelCount)
-            // iOS 有空间音频功能，所以不用处理
             #if os(tvOS) || targetEnvironment(simulator)
             if !(isUseAudioRenderer && isSpatialAudioEnabled) {
                 // 不要用maxRouteChannelsCount来判断，有可能会不准。导致多音道设备也返回2（一开始播放一个2声道，就容易出现），也不能用outputNumberOfChannels来判断，有可能会返回2
 //                channelCount = AVAudioChannelCount(min(AVAudioSession.sharedInstance().outputNumberOfChannels, maxRouteChannelsCount))
                 channelCount = minChannels
             }
+            #else
+            // iOS 外放是会自动有空间音频功能，但是蓝牙耳机有可能没有空间音频功能或者把空间音频给关了，。所以还是需要处理。
+            if !isSpatialAudioEnabled {
+                channelCount = minChannels
+            }
             #endif
         } else {
             channelCount = 2