Details
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Bug
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Resolution: Unresolved
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P2: Important
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None
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5.15.3, 5.15.6
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Qt 5.15.3 / Windows 10 / MacOS 10.15
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macOS,
Windows
Description
Steps to reproduce:
1. Run the project https://doc.qt.io/qt-5/qtmultimedia-multimedia-audiorecorder-example.html on Windows or MacOS.
2. Check the constant bitrate option (set Default on MacOS, on Windows it doesn't matter what is the value)
3. Click 'Record' button.
Actual: Application crashes.
Expected: Application should not crash, it should start recording.
Notes: Works fine on Android, iOS, Linux
CRASH REPORT (MacOS):
Process: audiorecorder [93354]Process: audiorecorder [93354]Path: /Users/USER/*/audiorecorder.app/Contents/MacOS/audiorecorderIdentifier: com.digia.${PRODUCT_NAME:rfc1034identifier}Version: 1.0 (1.0)Code Type: X86-64 (Native)Parent Process: Qt Creator [30490]Responsible: Qt Creator [30490]User ID: 503 Date/Time: 2021-02-25 12:57:38.106 +0100OS Version: Mac OS X 10.15.7 (19H114)Report Version: 12Bridge OS Version: 5.1 (18P3030)Anonymous UUID: 61835326-67DD-41FD-805C-EB3AC16E554B Sleep/Wake UUID: 468995DB-5AA8-4354-A086-CBBBAF33BF5B Time Awake Since Boot: 170000 secondsTime Since Wake: 15000 seconds System Integrity Protection: enabled Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_ARITHMETIC (SIGFPE)Exception Codes: EXC_I386_DIV (divide by zero)Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Floating point exception: 8Termination Reason: Namespace SIGNAL, Code 0x8Terminating Process: exc handler [93354] Thread 0 Crashed:: Dispatch queue: com.apple.main-thread0 org.qt-project.QtMultimedia 0x000000010c249920 QAudioDeviceInfo::nearestFormat(QAudioFormat const&) const + 2512 (qaudiodeviceinfo.cpp:319)1 libqtmedia_audioengine.dylib 0x000000010e26250b AudioCaptureSession::record() + 235 (audiocapturesession.cpp:278)2 com.digia.${PRODUCT_NAME:rfc1034identifier} 0x000000010c1fd9c9 AudioRecorder::toggleRecord() + 777 (audiorecorder.cpp:208)3 com.digia.${PRODUCT_NAME:rfc1034identifier} 0x000000010c2051f0 AudioRecorder::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) + 144 (moc_audiorecorder.cpp:105)4 org.qt-project.QtCore 0x000000010d3af7b5 void doActivate<false>(QObject*, int, void**) + 1477 (qobject.cpp:3918)5 org.qt-project.QtWidgets 0x000000010c41c09f QAbstractButtonPrivate::emitClicked() + 111 (qabstractbutton.cpp:417)6 org.qt-project.QtWidgets 0x000000010c41bf19 QAbstractButtonPrivate::click() + 233 (qabstractbutton.cpp:409)7 org.qt-project.QtWidgets 0x000000010c41d0cf QAbstractButton::mouseReleaseEvent(QMouseEvent*) + 271 (qabstractbutton.cpp:1045)8 org.qt-project.QtWidgets 0x000000010c36ca7d QWidget::event(QEvent*) + 445 (qwidget.cpp:8659)9 org.qt-project.QtWidgets 0x000000010c4c29d5 QPushButton::event(QEvent*) + 85 (qpushbutton.cpp:718)10 org.qt-project.QtWidgets 0x000000010c33269a QApplicationPrivate::notify_helper(QObject*, QEvent*) + 266 (qapplication.cpp:3639)11 org.qt-project.QtWidgets 0x000000010c335405 QApplication::notify(QObject*, QEvent*) + 6965 (qapplication.cpp:3082)12 org.qt-project.QtCore 0x000000010d37c114 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212 (qcoreapplication.cpp:1064)13 org.qt-project.QtWidgets 0x000000010c332fc0 QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) + 89614 org.qt-project.QtWidgets 0x000000010c38bc72 QWidgetWindow::handleMouseEvent(QMouseEvent*) + 3266 (qwidgetwindow.cpp:683)15 org.qt-project.QtWidgets 0x000000010c38a339 QWidgetWindow::event(QEvent*) + 233 (qwidgetwindow.cpp:300)16 org.qt-project.QtWidgets 0x000000010c33269a QApplicationPrivate::notify_helper(QObject*, QEvent*) + 266 (qapplication.cpp:3639)17 org.qt-project.QtWidgets 0x000000010c333ac1 QApplication::notify(QObject*, QEvent*) + 49718 org.qt-project.QtCore 0x000000010d37c114 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212 (qcoreapplication.cpp:1064)19 org.qt-project.QtGui 0x000000010c9944fe QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) + 3534 (qguiapplication.cpp:2283)20 org.qt-project.QtGui 0x000000010c9793bb QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 219 (qwindowsysteminterface.cpp:1175)21 libqcocoa.dylib 0x000000010d9611d0 QCocoaEventDispatcherPrivate::processPostedEvents() + 320 (qcocoaeventdispatcher.mm:907)22 libqcocoa.dylib 0x000000010d961938 QCocoaEventDispatcherPrivate::postedEventsSourceCallback(void*) + 4023 com.apple.CoreFoundation 0x00007fff2de0ad52 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 1724 com.apple.CoreFoundation 0x00007fff2de0acf1 __CFRunLoopDoSource0 + 10325 com.apple.CoreFoundation 0x00007fff2de0ab0b __CFRunLoopDoSources0 + 20926 com.apple.CoreFoundation 0x00007fff2de0983a __CFRunLoopRun + 92727 com.apple.CoreFoundation 0x00007fff2de08e3e CFRunLoopRunSpecific + 46228 com.apple.HIToolbox 0x00007fff2ca35abd RunCurrentEventLoopInMode + 29229 com.apple.HIToolbox 0x00007fff2ca356f4 ReceiveNextEventCommon + 35930 com.apple.HIToolbox 0x00007fff2ca35579 _BlockUntilNextEventMatchingListInModeWithFilter + 6431 com.apple.AppKit 0x00007fff2b07b039 _DPSNextEvent + 88332 com.apple.AppKit 0x00007fff2b079880 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 135233 com.apple.AppKit 0x00007fff2b06b58e -[NSApplication run] + 65834 libqcocoa.dylib 0x000000010d96059f QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 2495 (qcocoaeventdispatcher.mm:438)35 org.qt-project.QtCore 0x000000010d37819f QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 431 (qeventloop.cpp:231)36 org.qt-project.QtCore 0x000000010d37c722 QCoreApplication::exec() + 130 (qcoreapplication.cpp:1375)37 com.digia.${PRODUCT_NAME:rfc1034identifier} 0x000000010c1f7f00 main + 80 (main.cpp:62)38 libdyld.dylib 0x00007fff67ebacc9 start + 1 Thread 1:: AMCP Logging Spool0 libsystem_kernel.dylib 0x00007fff67ffbe36 semaphore_wait_trap + 101 com.apple.audio.caulk 0x00007fff61a90b16 caulk::mach::semaphore::wait() + 162 com.apple.audio.caulk