Describe the bug
App crash iOS when exit to background

What attempts have you made to resolve this error ?
Default template with release build iOS. Test app via TestFlight

To Reproduce

Steps to reproduce the behavior:

1. Build iOS release.
2. Upload to Apple connect
3. Install on device
4. When player on exit app iOS any OS version or model APP crash

Expected behavior
To exit APP.

fijkplayer version
Latest v0.10.1

Smartphone (please complete the following information):

• Device: [e.g. iPhone ANY]
• OS: [e.g. iOS ANY]

Additional context
Crash log:
Thread 36 name:
Thread 36 Crashed:
0 Flutter 0x0000000106e15b8c -[FlutterEngine textureFrameAvailable:] + 32
1 Runner 0x0000000104709c28 vout_display_overlay + 941096 (ijksdl_vout_ios_gles2.m:146)
2 Runner 0x00000001046f48e0 video_display2 + 854240 (ff_ffplay.c:1101)
3 Runner 0x00000001046f29a0 video_refresh_thread + 846240 (ff_ffplay.c:3840)
4 Runner 0x00000001046f6d58 SDL_RunThread + 863576 (ijksdl_thread_ios.m:33)
5 libsystem_pthread.dylib 0x00000001dbd9c3a4 _pthread_start + 116 (pthread.c:891)
6 libsystem_pthread.dylib 0x00000001dbd9a9fc thread_start + 8