=================================================================
Main Thread Checker: UI API called on a background thread: -[UIView layer]
PID: 8717, TID: 8989553, Thread name: (none), Queue name: org.freedesktop.gstreamer.glwindow, QoS: 0
Backtrace:
4   GStreamer_iOS                       0x00000001104d673e gst_gl_context_eagl_update_layer + 134
5   GStreamer_iOS                       0x00000001104d6178 gst_gl_window_eagl_set_window_handle + 54
6   GStreamer_iOS                       0x00000001104d290d _set_window_handle_cb + 92
7   GStreamer_iOS                       0x00000001104d640b __gst_gl_window_eagl_send_message_async_block_invoke + 30
8   libdispatch.dylib                   0x000000011922b3f7 _dispatch_call_block_and_release + 12
9   libdispatch.dylib                   0x000000011922c43c _dispatch_client_callout + 8
10  libdispatch.dylib                   0x000000011923495b _dispatch_queue_serial_drain + 1162
11  libdispatch.dylib                   0x00000001192352df _dispatch_queue_invoke + 336
12  libdispatch.dylib                   0x00000001192381f9 _dispatch_root_queue_drain + 772
13  libdispatch.dylib                   0x0000000119237e97 _dispatch_worker_thread3 + 132
14  libsystem_pthread.dylib             0x00000001196ea5a2 _pthread_wqthread + 1299
15  libsystem_pthread.dylib             0x00000001196ea07d start_wqthread + 13
2017-09-14 15:44:09.891648-0600 TealCommand[8717:8989553] [reports] Main Thread Checker: UI API called on a background thread: -[UIView layer]
PID: 8717, TID: 8989553, Thread name: (none), Queue name: org.freedesktop.gstreamer.glwindow, QoS: 0
Backtrace:
4   GStreamer_iOS                       0x00000001104d673e gst_gl_context_eagl_update_layer + 134
5   GStreamer_iOS                       0x00000001104d6178 gst_gl_window_eagl_set_window_handle + 54
6   GStreamer_iOS                       0x00000001104d290d _set_window_handle_cb + 92
7   GStreamer_iOS                       0x00000001104d640b __gst_gl_window_eagl_send_message_async_block_invoke + 30
8   libdispatch.dylib                   0x000000011922b3f7 _dispatch_call_block_and_release + 12
9   libdispatch.dylib                   0x000000011922c43c _dispatch_client_callout + 8
10  libdispatch.dylib                   0x000000011923495b _dispatch_queue_serial_drain + 1162
11  libdispatch.dylib                   0x00000001192352df _dispatch_queue_invoke + 336
12  libdispatch.dylib                   0x00000001192381f9 _dispatch_root_queue_drain + 772
13  libdispatch.dylib                   0x0000000119237e97 _dispatch_worker_thread3 + 132
14  libsystem_pthread.dylib             0x00000001196ea5a2 _pthread_wqthread + 1299
15  libsystem_pthread.dylib             0x00000001196ea07d start_wqthread + 13