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  1. Qt
  2. QTBUG-64624

Switching from one QCameraViewFinder to another using 'QCamera::setViewFinder()' causes a crash sometimes

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Details

    • Bug
    • Resolution: Duplicate
    • P3: Somewhat important
    • None
    • 5.9.1
    • Multimedia
    • Windows 7

    Description

      Switching from one QCameraViewFinder to another using 'QCamera::setViewFinder()' causes a crash sometimes. A test app that automatically switches between two QCameraViewFinders crashes after a while. The problem seems to occur on Windows 7 but not on Windows 10.

      Steps to reproduce:

      • Run the sample attached (on Windows 7).
      • Let the app run. It may take 10 minutes or so for the crash to happen.
        EXPECTED: The app runs indefinitely.
        ACTUAL: The app crashes after a while.

      Attachments

        1. qtbug64624.zip
          1 kB
        2. trace.txt
          15 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-61817 QCamera - DSEngine crash

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              valentyn.doroshchuk Valentyn Doroshchuk
              risto.sipola Risto Sipola
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              Dates

                Created:
                Updated:
                Resolved:

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