<div dir="ltr">Hi all,<div>I'm testing compatibility with iOS 11 before the Apple release in september and I noticed a crash on GLWindow EAGL module.</div><div><br></div><div>Before crashing i see some warning then the crash on draw_cb.</div><div>
<p class="gmail-p1"><span class="gmail-s1"><font face="arial narrow, sans-serif">=================================================================<br></font></span><span style="font-family:"arial narrow",sans-serif">Main Thread Checker: UI API called on a background thread: -[UIView layer]<br></span><span style="font-family:"arial narrow",sans-serif">PID: 1909, TID: 1403054, Thread name: (none), Queue name: org.freedesktop.gstreamer.glwindow, QoS: 0<br></span><span style="font-family:"arial narrow",sans-serif">Backtrace:<br></span><span style="font-family:"arial narrow",sans-serif">4 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102503594 gst_gl_context_eagl_update_layer + 480<br></span><span style="font-family:"arial narrow",sans-serif">5 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102504a60 gst_gl_window_eagl_set_window_handle + 176<br></span><span style="font-family:"arial narrow",sans-serif">6 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001035ebd78 _set_window_handle_cb + 104<br></span><span style="font-family:"arial narrow",sans-serif">7 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102504e54 __gst_gl_window_eagl_send_message_async_block_invoke + 72<br></span><span style="font-family:"arial narrow",sans-serif">8 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001063498ec _dispatch_call_block_and_release + 24<br></span><span style="font-family:"arial narrow",sans-serif">9 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001063498ac _dispatch_client_callout + 16<br></span><span style="font-family:"arial narrow",sans-serif">10</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000106358380 _dispatch_queue_serial_drain + 692<br></span><span style="font-family:"arial narrow",sans-serif">11</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x000000010634ce30 _dispatch_queue_invoke + 332<br></span><span style="font-family:"arial narrow",sans-serif">12</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x000000010635935c _dispatch_root_queue_drain_deferred_wlh + 424<br></span><span style="font-family:"arial narrow",sans-serif">13</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000106360298 _dispatch_workloop_worker_thread + 652<br></span><span style="font-family:"arial narrow",sans-serif">14</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libsystem_pthread.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001851a024c _pthread_wqthread + 932<br></span><span style="font-family:"arial narrow",sans-serif">15</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libsystem_pthread.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x000000018519fe9c start_wqthread + 4<br></span><span style="font-family:"arial narrow",sans-serif"><br></span></p><p class="gmail-p1"><span style="font-family:"arial narrow",sans-serif">2017-08-02 10:27:47.576231+0200 GstPlay[1909:1403054] [reports] Main Thread Checker: UI API called on a background thread: -[UIView layer]<br></span><span style="font-family:"arial narrow",sans-serif">PID: 1909, TID: 1403054, Thread name: (none), Queue name: org.freedesktop.gstreamer.glwindow, QoS: 0<br></span><span style="font-family:"arial narrow",sans-serif">Backtrace:<br></span><span style="font-family:"arial narrow",sans-serif">4 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102503594 gst_gl_context_eagl_update_layer + 480<br></span><span style="font-family:"arial narrow",sans-serif">5 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102504a60 gst_gl_window_eagl_set_window_handle + 176<br></span><span style="font-family:"arial narrow",sans-serif">6 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001035ebd78 _set_window_handle_cb + 104<br></span><span style="font-family:"arial narrow",sans-serif">7 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">GstPlay </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102504e54 __gst_gl_window_eagl_send_message_async_block_invoke + 72<br></span><span style="font-family:"arial narrow",sans-serif">8 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001063498ec _dispatch_call_block_and_release + 24<br></span><span style="font-family:"arial narrow",sans-serif">9 </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001063498ac _dispatch_client_callout + 16<br></span><span style="font-family:"arial narrow",sans-serif">10</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000106358380 _dispatch_queue_serial_drain + 692<br></span><span style="font-family:"arial narrow",sans-serif">11</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x000000010634ce30 _dispatch_queue_invoke + 332<br></span><span style="font-family:"arial narrow",sans-serif">12</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x000000010635935c _dispatch_root_queue_drain_deferred_wlh + 424<br></span><span style="font-family:"arial narrow",sans-serif">13</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libdispatch.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000106360298 _dispatch_workloop_worker_thread + 652<br></span><span style="font-family:"arial narrow",sans-serif">14</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libsystem_pthread.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001851a024c _pthread_wqthread + 932<br></span><span style="font-family:"arial narrow",sans-serif">15</span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">libsystem_pthread.dylib </span><span class="gmail-Apple-converted-space" style="font-family:"arial narrow",sans-serif"> </span><span style="font-family:"arial narrow",sans-serif">0x000000018519fe9c start_wqthread + 4</span></p><p class="gmail-p1"><span style="font-family:"arial narrow",sans-serif"><br></span></p><p class="gmail-p1"><span style="font-family:"arial narrow",sans-serif">Thread 8 Queue : org.freedesktop.gstreamer.glwindow (serial)<br></span><span style="font-family:"arial narrow",sans-serif">#0</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000185196ba0 in _platform_memmove ()<br></span><span style="font-family:"arial narrow",sans-serif">#1</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000198ebcb1c in SCNGetPerformanceStatistics ()<br></span><span style="font-family:"arial narrow",sans-serif">#2</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000105ece064 in __clang_call_terminate ()<br></span><span style="font-family:"arial narrow",sans-serif">#3</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000105ecade8 in __clang_call_terminate ()<br></span><span style="font-family:"arial narrow",sans-serif">#4</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001060af3ec in __clang_call_terminate ()<br></span><span style="font-family:"arial narrow",sans-serif">#5</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001060acf08 in __clang_call_terminate ()<br></span><span style="font-family:"arial narrow",sans-serif">#6</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001025044c0 in gst_gl_context_eagl_swap_buffers at /Users/eggzero/Projects/EGGZERO/SRC/gst-examples/playback/player/ios/eagl/gstglcontext_eagl.m:341<br></span><span style="font-family:"arial narrow",sans-serif">#7</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102504dec in draw_cb at /Users/eggzero/Projects/EGGZERO/SRC/gst-examples/playback/player/ios/eagl/gstglwindow_eagl.m:208<br></span><span style="font-family:"arial narrow",sans-serif">#8</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x00000001035ecc9c in _run_message_sync at /Users/jan/devel/cerbero/build/sources/ios_universal/arm64/gst-plugins-bad-1.0-1.12.2/gst-libs/gst/gl/gstglwindow.c:571<br></span><span style="font-family:"arial narrow",sans-serif">#9</span><span style="font-family:"arial narrow",sans-serif;white-space:pre"> </span><span style="font-family:"arial narrow",sans-serif">0x0000000102504e54 in __gst_gl_window_eagl_send_message_async_block_invoke at /Users/eggzero/Projects/EGGZERO/SRC/gst-examples/playback/player/ios/eagl/gstglwindow_eagl.m:164</span></p><p class="gmail-p1"><font face="arial, helvetica, sans-serif">To reproduce the issue use:</font></p><p class="gmail-p1"></p><ul><li><font face="arial, helvetica, sans-serif">GStreamer 1.12.2<br></font></li><li><font face="arial, helvetica, sans-serif">GstPlay: <a style="color:black;text-decoration-line:none;font-size:13.3333px;white-space:nowrap">git://anongit.freedesktop.org/gstreamer/gst-examples</a><br></font></li></ul><p></p><p class="gmail-p1"><font face="arial, helvetica, sans-serif">Compile GstPlay with XCode 9.0 beta 4 and play a video.</font></p><p class="gmail-p1"><font face="arial, helvetica, sans-serif">Thanks for your help</font></p><p class="gmail-p1"><font face="arial, helvetica, sans-serif">Elio</font></p><p class="gmail-p1"><span style="font-family:"arial narrow",sans-serif"><br></span></p></div><div><br></div></div>