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Details

Type: Bug
Resolution: Done
Priority: P1: Critical
Fix Version/s: 6.2.7, 6.5.0 Beta1
Affects Version/s: 6.2.4
Component/s: Multimedia
Labels:
None
Environment:
MacBook Pro 13" (M1, 2020)) macOS 12.0.1
MacBook Pro 16" (Retina, Touch, Mid-2019) macOS 12.1
MacBook Pro 13" (Mid-2012) macOS 10.15.7

Platform/s:

macOS
Commits:
ac24ced62c (qt/qtmultimedia/dev) a8c9b0bb52 (qt/qtmultimedia/6.4) a8c9b0bb52 (qt/tqtc-qtmultimedia/6.4) ac24ced62c (qt/tqtc-qtmultimedia/dev) b8bca31e8f (qt/tqtc-qtmultimedia/6.2)

Description

Crash in [AVFMediaPlayerObserver prepareToPlayAsset:withKeys:]

I see such crashes among users crash reports on AppCenter.
It's never reproduced for me locally, so probably it happens with some specific video files.

Stack trace:

Exception Type:  SIGSEGV
Exception Codes: SEGV_MAPERR at 0x35ad469c5ff8
Crashed Thread:  0

Thread 0 Crashed:
0   libobjc.A.dylib                      0x00007ff805aa929d objc_msgSend + 29
1   QtMultimedia                         0x000000010fc18330 -[AVFMediaPlayerObserver prepareToPlayAsset:withKeys:] (avfmediaplayer.mm:275)
2   QtMultimedia                         0x000000010fc17e72 __42-[AVFMediaPlayerObserver setURL:mimeType:]_block_invoke_2 (avfmediaplayer.mm:157)
3   libdispatch.dylib                    0x00007ff805a5aad8 _dispatch_call_block_and_release + 11
4   libdispatch.dylib                    0x00007ff805a5bcc9 _dispatch_client_callout + 7
5   libdispatch.dylib                    0x00007ff805a685d8 _dispatch_main_queue_callback_4CF + 950
6   CoreFoundation                       0x00007ff805d193b8 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 8
7   CoreFoundation                       0x00007ff805cda9a6 __CFRunLoopRun + 2759
8   CoreFoundation                       0x00007ff805cd9809 CFRunLoopRunSpecific + 566
9   HIToolbox                            0x00007ff80ed463e1 RunCurrentEventLoopInMode + 291
10  HIToolbox                            0x00007ff80ed46137 ReceiveNextEventCommon + 586
11  HIToolbox                            0x00007ff80ed45ed5 _BlockUntilNextEventMatchingListInModeWithFilter + 69
12  AppKit                               0x00007ff80862b8f0 _DPSNextEvent + 885
13  AppKit                               0x00007ff808629f5c -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1410
14  AppKit                               0x00007ff80861c359 -[NSApplication run] + 585
15  libqcocoa.dylib                      0x000000011658aa68 QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (qcocoaeventdispatcher.mm:430)
16  QtCore                               0x0000000116bea456 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (qeventloop.cpp:139)
17  QtCore                               0x0000000116be1742 QCoreApplication::exec() (qcoreapplication.cpp:1382)

Seems it doesn't depend on mac model or macOS version, see Environment.