Fix #2371 Video freezes on the first frame when played on Apple TV

core/CMakeLists.txt

@@ -265,6 +265,10 @@ list(APPEND _AX_SRC ${_AX_HEADER})
 
 add_library(${_AX_CORE_LIB} ${_AX_SRC})
 
+if(APPLE)
+    set_xcode_property(${_AX_CORE_LIB} CLANG_ENABLE_OBJC_WEAK "YES")
+endif()
+
 if(WASM)
   if(${EMSCRIPTEN_VERSION} VERSION_GREATER_EQUAL "3.1.51")
       target_link_options(${_AX_CORE_LIB} PUBLIC -sGL_ENABLE_GET_PROC_ADDRESS)

core/media/AvfMediaEngine.mm

@@ -31,7 +31,6 @@ of this software and associated documentation files (the "Software"), to deal
 #    include <assert.h>
 #    include "yasio/string_view.hpp"
 #    include "yasio/endian_portable.hpp"
-#    include "yasio/sz.hpp"
 
 #if TARGET_OS_IPHONE
 #    import <UIKit/UIKit.h>
@@ -361,8 +360,20 @@ - (void)observeValueForKeyPath:(NSString*)keyPath
         }
     }
 
-    if (_bAutoPlay)
-        this->play();
+    if (_bAutoPlay) {
+        // fix issue: #2371
+        // tvOS: we need delay on frame to invoke play even through invoking from KOV playerItem.status==AVPlayerItemStatusReadyToPlay
+        // otherwise, the player.timeControlStatus will be AVPlayerTimeControlStatusPaused until invoke [player play] at next frame
+        __weak AVPlayer* player = _player;
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            if (player != nil)
+                [player play];
+        });
+
+        _playbackEnded = false;
+        _state = MEMediaState::Playing;
+        fireMediaEvent(MEMediaEventType::Playing);
+    }
 }
 
 bool AvfMediaEngine::transferVideoFrame()