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  1. Qt
  2. QTBUG-128486

crash exporting video

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Details

    • Bug
    • Resolution: Unresolved
    • P1: Critical
    • None
    • 6.8.0 Beta3
    • Multimedia
    • None
    • macOS Sonoma 14.6.1 (23G93)
    • macOS

    Description

      on SOME computers (not all) exporting a video causes a crash in the Qt VideoExporter thread

      see "call stacks.txt"

      Time Awake Since Boot: 16000 seconds
      
      System Integrity Protection: enabled
      
      Notes:
      PC register does not match crashing frame (0x0 vs 0x12374B073)
      
      Crashed Thread:        22  VideoEncoder
      
      Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
      Exception Codes:       KERN_INVALID_ADDRESS at 0xff000000ff000000 -> 0x00000000ff000000 (possible pointer authentication failure)
      Exception Codes:       0x0000000000000001, 0xff000000ff000000
      
      Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
      Terminating Process:   exc handler [4715]
      
      VM Region Info: 0xff000000 is not in any region.  Bytes before following region: 17805312
            REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
            UNUSED SPACE AT START
      ---> 
            __TEXT                      1000fb000-10071f000    [ 6288K] r-x/r-x SM=COW  /Applications/kJams Pro.app/Contents/MacOS/kJams Pro
      
      Error Formulating Crash Report:
      PC register does not match crashing frame (0x0 vs 0x12374B073)
      
      Thread 0:: Main Dispatch queue: com.apple.main-thread
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c08e mach_msg2_trap + 10
      2   libsystem_kernel.dylib            0x7ff80fc2a878 mach_msg2_internal + 84
      3   libsystem_kernel.dylib            0x7ff80fc23178 mach_msg_overwrite + 653
      4   libsystem_kernel.dylib            0x7ff80fc1c37d mach_msg + 19
      5   CoreFoundation                    0x7ff80fd39909 __CFRunLoopServiceMachPort + 143
      6   CoreFoundation                    0x7ff80fd3837c __CFRunLoopRun + 1371
      7   CoreFoundation                    0x7ff80fd37859 CFRunLoopRunSpecific + 557
      8   HIToolbox                         0x7ff81ac30a09 RunCurrentEventLoopInMode + 292
      9   HIToolbox                         0x7ff81ac30816 ReceiveNextEventCommon + 665
      10  HIToolbox                         0x7ff81ac30561 _BlockUntilNextEventMatchingListInModeWithFilter + 66
      11  AppKit                            0x7ff813309171 _DPSNextEvent + 880
      12  AppKit                            0x7ff813c1daf0 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1273
      13  AppKit                            0x7ff8132fa585 -[NSApplication run] + 603
      14  libqcocoa.dylib                      0x10f93d5b9 0x10f927000 + 91577
      15  QtCore                               0x111f932f6 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 1110
      16  QtCore                               0x111f88bc1 QCoreApplication::exec() + 145
      17  kJams Pro                            0x10015daa1 main + 193
      18  dyld                                 0x2049b2345 start + 1909
      
      Thread 1:: com.apple.rosetta.exceptionserver
      0   runtime                           0x7ff7ffef1414 0x7ff7ffeed000 + 17428
      
      Thread 2:: Main Thread Que
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   kJams Pro                            0x100393789 0x1000fb000 + 2721673
      4   kJams Pro                            0x10038aeb5 CSemaphore::wait(int) + 837
      5   kJams Pro                            0x10038f6d8 CMutex_ThreadQue::CB_ActualRunQue() + 472
      6   kJams Pro                            0x10038cdba CMutex_ThreadQue::CB_S_RunQue(void*, int) + 10
      7   kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      8   kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      9   libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 3:: Deletion Que
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   kJams Pro                            0x100393789 0x1000fb000 + 2721673
      4   kJams Pro                            0x10038aeb5 CSemaphore::wait(int) + 837
      5   kJams Pro                            0x10038f6d8 CMutex_ThreadQue::CB_ActualRunQue() + 472
      6   kJams Pro                            0x10038cdba CMutex_ThreadQue::CB_S_RunQue(void*, int) + 10
      7   kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      8   kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      9   libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 4:: com.apple.NSEventThread
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c08e mach_msg2_trap + 10
      2   libsystem_kernel.dylib            0x7ff80fc2a878 mach_msg2_internal + 84
      3   libsystem_kernel.dylib            0x7ff80fc23178 mach_msg_overwrite + 653
      4   libsystem_kernel.dylib            0x7ff80fc1c37d mach_msg + 19
      5   CoreFoundation                    0x7ff80fd39909 __CFRunLoopServiceMachPort + 143
      6   CoreFoundation                    0x7ff80fd3837c __CFRunLoopRun + 1371
      7   CoreFoundation                    0x7ff80fd37859 CFRunLoopRunSpecific + 557
      8   AppKit                            0x7ff81346729c _NSEventThread + 122
      9   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      10  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 5:: Push Meta Que
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   kJams Pro                            0x100393789 0x1000fb000 + 2721673
      4   kJams Pro                            0x10038aeb5 CSemaphore::wait(int) + 837
      5   kJams Pro                            0x10038f6d8 CMutex_ThreadQue::CB_ActualRunQue() + 472
      6   kJams Pro                            0x10038cdba CMutex_ThreadQue::CB_S_RunQue(void*, int) + 10
      7   kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      8   kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      9   libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 6:: caulk.messenger.shared:17
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c00a semaphore_wait_trap + 10
      2   caulk                             0x7ff81a94cba8 caulk::semaphore::timed_wait(double) + 150
      3   caulk                             0x7ff81a94cac4 caulk::concurrent::details::worker_thread::run() + 30
      4   caulk                             0x7ff81a94c7e8 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 41
      5   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      6   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 7:: caulk.messenger.shared:high
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c00a semaphore_wait_trap + 10
      2   caulk                             0x7ff81a94cba8 caulk::semaphore::timed_wait(double) + 150
      3   caulk                             0x7ff81a94cac4 caulk::concurrent::details::worker_thread::run() + 30
      4   caulk                             0x7ff81a94c7e8 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 41
      5   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      6   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 8:: com.apple.NSURLConnectionLoader
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c08e mach_msg2_trap + 10
      2   libsystem_kernel.dylib            0x7ff80fc2a878 mach_msg2_internal + 84
      3   libsystem_kernel.dylib            0x7ff80fc23178 mach_msg_overwrite + 653
      4   libsystem_kernel.dylib            0x7ff80fc1c37d mach_msg + 19
      5   CoreFoundation                    0x7ff80fd39909 __CFRunLoopServiceMachPort + 143
      6   CoreFoundation                    0x7ff80fd3837c __CFRunLoopRun + 1371
      7   CoreFoundation                    0x7ff80fd37859 CFRunLoopRunSpecific + 557
      8   CFNetwork                         0x7ff81506db35 0x7ff814e26000 + 2390837
      9   Foundation                        0x7ff810c438fc __NSThread__start__ + 1013
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 9:: Disc Event Que
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   kJams Pro                            0x100393789 0x1000fb000 + 2721673
      4   kJams Pro                            0x10038aeb5 CSemaphore::wait(int) + 837
      5   kJams Pro                            0x10038f6d8 CMutex_ThreadQue::CB_ActualRunQue() + 472
      6   kJams Pro                            0x10038cdba CMutex_ThreadQue::CB_S_RunQue(void*, int) + 10
      7   kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      8   kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      9   libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 10:: com.apple.CFSocket.private
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc24f32 __select + 10
      2   CoreFoundation                    0x7ff80fd613cf __CFSocketManager + 637
      3   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      4   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 11:: Alert Que
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   kJams Pro                            0x100393789 0x1000fb000 + 2721673
      4   kJams Pro                            0x10038aeb5 CSemaphore::wait(int) + 837
      5   kJams Pro                            0x10038f6d8 CMutex_ThreadQue::CB_ActualRunQue() + 472
      6   kJams Pro                            0x10038cdba CMutex_ThreadQue::CB_S_RunQue(void*, int) + 10
      7   kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      8   kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      9   libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 12:
      0   runtime                           0x7ff7fff0f94c 0x7ff7ffeed000 + 141644
      
      Thread 13:: Thread (pooled)
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   QtCore                               0x112141154 0x111ef4000 + 2412884
      4   QtCore                               0x112141004 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 84
      5   QtCore                               0x11213b22b 0x111ef4000 + 2388523
      6   QtCore                               0x1121326e6 0x111ef4000 + 2352870
      7   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      8   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 14:: Thread (pooled)
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   QtCore                               0x112141154 0x111ef4000 + 2412884
      4   QtCore                               0x112141004 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 84
      5   QtCore                               0x11213b22b 0x111ef4000 + 2388523
      6   QtCore                               0x1121326e6 0x111ef4000 + 2352870
      7   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      8   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 15:: Thread (pooled)
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   QtCore                               0x112141154 0x111ef4000 + 2412884
      4   QtCore                               0x112141004 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 84
      5   QtCore                               0x11213b22b 0x111ef4000 + 2388523
      6   QtCore                               0x1121326e6 0x111ef4000 + 2352870
      7   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      8   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 16::  Dispatch queue: com.apple.videotoolbox.preparationQueue
      0   libobjc.A.dylib                   0x7ff80f8b3db2 AutoreleasePoolPage::add(objc_object*) + 0
      1   libobjc.A.dylib                   0x7ff80f892eec objc_object::rootAutorelease2() + 66
      2   Foundation                        0x7ff810bf1214 -[NSBundle initWithPath:] + 677
      3   Foundation                        0x7ff810c14d35 +[NSBundle bundleForClass:] + 263
      4   VideoToolbox                      0x7ff81fb4b339 0x7ff81f851000 + 3121977
      5   VideoToolbox                      0x7ff81fb46661 0x7ff81f851000 + 3102305
      6   VideoToolbox                      0x7ff81fb45eb9 0x7ff81f851000 + 3100345
      7   VideoToolbox                      0x7ff81fa829fc 0x7ff81f851000 + 2300412
      8   VideoToolbox                      0x7ff81fa8037f 0x7ff81f851000 + 2290559
      9   VideoToolbox                      0x7ff81f89e227 0x7ff81f851000 + 315943
      10  VideoToolbox                      0x7ff81f8555c8 VTPixelTransferSessionTransferImage + 412
      11  VideoToolbox                      0x7ff81f86acf2 0x7ff81f851000 + 105714
      12  libdispatch.dylib                 0x7ff80fabadbc _dispatch_client_callout + 8
      13  libdispatch.dylib                 0x7ff80fac1003 _dispatch_lane_serial_drain + 1060
      14  libdispatch.dylib                 0x7ff80fac1997 _dispatch_lane_invoke + 377
      15  libdispatch.dylib                 0x7ff80facb414 _dispatch_root_queue_drain_deferred_wlh + 271
      16  libdispatch.dylib                 0x7ff80facad2a _dispatch_workloop_worker_thread + 451
      17  libsystem_pthread.dylib           0x7ff80fc58b84 _pthread_wqthread + 327
      18  libsystem_pthread.dylib           0x7ff80fc57acf start_wqthread + 15
      
      Thread 17:
      0   runtime                           0x7ff7fff0f94c 0x7ff7ffeed000 + 141644
      
      Thread 18:
      0   runtime                           0x7ff7fff0f94c 0x7ff7ffeed000 + 141644
      
      Thread 19:: CMutex_ThreadQue_EncodeQT
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   kJams Pro                            0x100393789 0x1000fb000 + 2721673
      4   kJams Pro                            0x10038aeb5 CSemaphore::wait(int) + 837
      5   kJams Pro                            0x10038f6d8 CMutex_ThreadQue::CB_ActualRunQue() + 472
      6   kJams Pro                            0x10038cdba CMutex_ThreadQue::CB_S_RunQue(void*, int) + 10
      7   kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      8   kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      9   libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      10  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      11  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 20:: Video Export
      0   kJams Pro                            0x10048afb0 void CPixels::hqx_blit<CP_HqxBlit>(CP_HqxBlit, CPixels*) + 320
      1   kJams Pro                            0x10048524a CPixels::Blit(CPixels*, Rect const*, Rect const*, bool) + 874
      2   kJams Pro                            0x100431367 CGraphics::Update(bool, bool, bool) + 567
      3   kJams Pro                            0x10026218a Video_ExportRec::DrawFrame(int) + 522
      4   kJams Pro                            0x1002c6223 CSong::QT_Export_DrawFrame(Video_ExportRec*) + 67
      5   kJams Pro                            0x10035a666 VideoDescRec::RenderFrame() + 166
      6   kJams Pro                            0x10016bfe9 0x1000fb000 + 462825
      7   kJams Pro                            0x10016bf9d 0x1000fb000 + 462749
      8   QtCore                               0x111fdd93a 0x111ef4000 + 956730
      9   QtCore                               0x111fd4efd QObject::event(QEvent*) + 669
      10  QtWidgets                            0x10eac8cb4 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 308
      11  QtWidgets                            0x10eac9c1e QApplication::notify(QObject*, QEvent*) + 494
      12  QtCore                               0x111f8847b QCoreApplication::notifyInternal2(QObject*, QEvent*) + 187
      13  QtCore                               0x111f89fa2 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 3042
      14  QtCore                               0x112134698 QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 72
      15  QtCore                               0x111f9372d QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>, int) + 125
      16  kJams Pro                            0x10038b7c8 QtLetTimersFire(double, bool, bool) + 216
      17  kJams Pro                            0x10016b8bc QVideoExport::wait_until_done() + 60
      18  kJams Pro                            0x10016ba70 QVideoExport::Export() + 160
      19  kJams Pro                            0x1002650e1 Video_ExportRec::Procs_CreateMovieFromProcs() + 913
      20  kJams Pro                            0x100265b9c Video_ExportRec::Export() + 1356
      21  kJams Pro                            0x1002cba6a CSong::ExportMovie(Video_ExportRec*) + 538
      22  kJams Pro                            0x1002fbb64 SDB_EncodeQT::MT_EncodeQT(CSongAV*) + 692
      23  kJams Pro                            0x10038fe85 CT_Preemptive::CB_S_Func(void*, int) + 997
      24  kJams Pro                            0x1003873a8 CThreads::CB_Fork(APP_ForkInfo*) + 872
      25  kJams Pro                            0x100388990 CB_S_Fork_Preemptive(void*) + 128
      26  libboost_thread.dylib                0x10db7e39a 0x10db7c000 + 9114
      27  libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      28  libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 21:: AudioEncoder
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   QtCore                               0x1121410ab 0x111ef4000 + 2412715
      4   QtCore                               0x112141004 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 84
      5   libffmpegmediaplugin.dylib           0x1233f4027 0x1233cb000 + 167975
      6   QtCore                               0x1121326e6 0x111ef4000 + 2352870
      7   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      8   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 22 Crashed:: VideoEncoder
      0   libswscale.8.dylib                   0x12374b073 sws_scale + 19
      1   libffmpegmediaplugin.dylib           0x12341e380 0x1233cb000 + 340864
      2   libffmpegmediaplugin.dylib           0x12341a3ce 0x1233cb000 + 324558
      3   libffmpegmediaplugin.dylib           0x1233f406a 0x1233cb000 + 168042
      4   QtCore                               0x1121326e6 0x111ef4000 + 2352870
      5   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      6   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 23:: com.apple.coremedia.sharedRootQueue.47
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c022 semaphore_timedwait_trap + 10
      2   libdispatch.dylib                 0x7ff80fabb30d _dispatch_sema4_timedwait + 73
      3   libdispatch.dylib                 0x7ff80fabb759 _dispatch_semaphore_wait_slow + 58
      4   libdispatch.dylib                 0x7ff80fac9ee1 _dispatch_worker_thread + 324
      5   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      6   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 24:: com.apple.coremedia.sharedRootQueue.47
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1c022 semaphore_timedwait_trap + 10
      2   libdispatch.dylib                 0x7ff80fabb30d _dispatch_sema4_timedwait + 73
      3   libdispatch.dylib                 0x7ff80fabb759 _dispatch_semaphore_wait_slow + 58
      4   libdispatch.dylib                 0x7ff80fac9ee1 _dispatch_worker_thread + 324
      5   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      6   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      Thread 25:: Muxer
      0   ???                               0x7ff89ff0aa78 ???
      1   libsystem_kernel.dylib            0x7ff80fc1ec3a __psynch_cvwait + 10
      2   libsystem_pthread.dylib           0x7ff80fc5c6f3 _pthread_cond_wait + 1211
      3   QtCore                               0x1121410ab 0x111ef4000 + 2412715
      4   QtCore                               0x112141004 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 84
      5   libffmpegmediaplugin.dylib           0x1233f4027 0x1233cb000 + 167975
      6   QtCore                               0x1121326e6 0x111ef4000 + 2352870
      7   libsystem_pthread.dylib           0x7ff80fc5c18b _pthread_start + 99
      8   libsystem_pthread.dylib           0x7ff80fc57ae3 thread_start + 15
      
      
      Thread 22 crashed with X86 Thread State (64-bit):
        rax: 0x00007fc5ea061840  rbx: 0x00007fc5ea061640  rcx: 0x0000000000000000  rdx: 0x00007fc5ea061680
        rdi: 0xff000000ff000000  rsi: 0x00007fc5ea061640  rbp: 0x000000030935be30  rsp: 0x000000030935bd30
         r8: 0x00000000000000f0   r9: 0x00007fc5ea061800  r10: 0x0000000000000783  r11: 0x0000000000000000
        r12: 0x00006000017e21c0  r13: 0x0000000000000000  r14: 0x00007fc5ea061800  r15: 0x00007fc640618000
        rip: <unavailable>       rfl: 0x0000000000000286
      tmp0: 0x00000000ff000000 tmp1: 0x0000000123526540 tmp2: 0x000000012374b060
      

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        1. call stacks.txt
          23 kB
          David M. Cotter
        2. extra info.txt
          69 kB
          David M. Cotter

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              qtmultimediateam Qt Multimedia Team
              davecotter David M. Cotter
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