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I used qt + libvlc to play multiple HEVC(4:2:2 10-bit Range Extension) videos in one application at the same time. The UHD 770 can be hardware-decoded, and everything works fine for short playback, but the Qt framework will crash if played for several (5 or 6) hours.
crash info like below, If anyone can help, thanks.
20230323190155-Debug: MainWindow::event:WindowActivate (|0|)
20230323190155-Debug: MainWindow::changeEvent QEvent(ActivationChange, 0x7acbd5b840) (|0|)
20230323190155-Debug: CreateCrashHandlr:ErrorCode:c0000005 ErrorAddra7897150 ErrorFlag:0 ErrorPara:2 (|0|)
20230323190155-Debug: Crash CallStack: (|0|)
20230323190155-Debug: N/A () : [ igxelpicd64 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: N/A () : [ igxelpicd64 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: N/A () : [ igxelpicd64 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: N/A () : [ igxelpicd64 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QOpenGLTextureBlitter::blit () : [ Qt6OpenGL ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QPlatformBackingStoreOpenGLSupport::~QPlatformBackingStoreOpenGLSupport () : [ Qt6OpenGL ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QPlatformBackingStoreOpenGLSupport::composeAndFlush () : [ Qt6OpenGL ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QPlatformBackingStore::composeAndFlush () : [ Qt6Gui ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWidget::y () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWidgetPrivate::shouldDiscardSyncRequest () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWidgetPrivate::syncBackingStore () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWidgetPrivate::shouldDiscardSyncRequest () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWidgetPrivate::shouldDiscardSyncRequest () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QApplicationPrivate::notify_helper () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QApplication::notify () : [ Qt6Widgets ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QCoreApplication::notifyInternal2 () : [ Qt6Core ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QGuiApplicationPrivate::processExposeEvent () : [ Qt6Gui ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWindowSystemInterface::sendWindowSystemEvents () : [ Qt6Gui ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWindowSystemInterface::flushWindowSystemEvents () : [ Qt6Gui ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: qt_plugin_query_metadata () : [ qwindows ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: qt_plugin_query_metadata () : [ qwindows ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: qt_plugin_query_metadata () : [ qwindows ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: CallWindowProcW () : [ USER32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: CallWindowProcW () : [ USER32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: glPushClientAttrib () : [ opengl32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: CallWindowProcW () : [ USER32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: DispatchMessageW () : [ USER32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: SendMessageTimeoutW () : [ USER32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: KiUserCallbackDispatcher () : [ ntdll ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: NtUserDispatchMessage () : [ win32u ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: DispatchMessageW () : [ USER32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QEventDispatcherWin32::processEvents () : [ Qt6Core ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QWindowsGuiEventDispatcher::processEvents () : [ Qt6Gui ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QEventLoop::exec () : [ Qt6Core ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: QCoreApplication::exec () : [ Qt6Core ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: N/A () : [ 5GBackpackClient ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: N/A () : [ 5GBackpackClient ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: N/A () : [ 5GBackpackClient ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: BaseThreadInitThunk () : [ KERNEL32 ] (File: N/A @Line N/A ) (|0|)
20230323190155-Debug: RtlUserThreadStart () : [ ntdll ] (File: N/A @Line N/A ) (|0|)
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Hello moliyadi,
Thank you for posting on the Intel️® communities. We understand that you are having issues when playing multiple HEVC in one application.
In order to have a better understanding of your issue, please provide me with the following:
- You mentioned that the issue is when you play multiple videos at the same time. Does the issue occur when you play a single video? How many are "multiple" videos?
- Did the system use to work as expected before?
- Could you share a video showing the issue?
Also, it is important to mention that there are two different types of drivers, generics provided by Intel and Equipment Manufacturer drivers, that are customized to work with each specific system. The best thing to do is to use the drivers provided by the system manufacturer (OEM). Please, make sure that the issue persists after a clean driver installation of the 31.0.101.3302_2 version.
Finally, we noticed that the BIOS version installed on your system is 2.03, and the latest version available on the AS Rock website is 11.02. Try updating the BIOS to the latest version. If you need more recommendations about the update process, you should contact the motherboard OEM for more recommendations.
Best regards,
Jean O.
Intel Customer Support Technician
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Hello moliyadi,
We hope you are doing fine.
Were you able to check the previous post?
Let us know if you still need assistance.
Best regards,
Jean O.
Intel Customer Support Technician
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Thank you for your reply. I am trying different schemes you provided. I will reply here if there is any new progress. Thanks.
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Hello moliyadi,
We understand that you are still trying our recommendations, and we would wait to confirm the outcome of our advice. Let us know if you face any inconvenience with one of our suggestions.
Best regards,
Jean O.
Intel Customer Support Technician
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Hello moliyadi,
We hope you are doing fine.
Were you able to check the previous post?
Let us know if you still need assistance.
Best regards,
Jean O.
Intel Customer Support Technician
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Hello moliyadi,
We hope you are doing fine.
We have not heard back from you. So we will close this thread. If you need any additional information, submit a new question, as this thread will no longer be monitored.
Best regards.
Jean O.
Intel Customer Support Technician.

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