From d67c2a143d1893987cdf51c8b0ba6d25f7703093 Mon Sep 17 00:00:00 2001
From: zhanhong <zhouzhanhong@polyv.net>
Date: Mon, 12 May 2025 13:48:47 +0800
Subject: [PATCH] fix: improve MediaSource and ManagedMediaSource detection
 method

---
 src/core/mse-controller.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/mse-controller.js b/src/core/mse-controller.js
index c6846b3..7e82a5a 100644
--- a/src/core/mse-controller.js
+++ b/src/core/mse-controller.js
@@ -48,7 +48,7 @@ class MSEController {
         };
 
         // Use ManagedMediaSource only if w3c MediaSource is not available (e.g. iOS Safari)
-        this._useManagedMediaSource = ('ManagedMediaSource' in self) && !('MediaSource' in self);
+        this._useManagedMediaSource = (typeof self.ManagedMediaSource === 'function') && !(typeof self.MediaSource === 'function');
 
         this._mediaSource = null;
         this._mediaSourceObjectURL = null;