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  1. Qt
  2. QTBUG-102316

[Reg: 5.15.7->5.15.8] App crashes by player() for QML MediaPlayer + VideoOutput with setAttribute (Qt::AA_UseOpenGLES)

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    • Windows
    • fd8b8107e3 (qt/tqtc-qtmultimedia/5.15)

      The app crashes with QML MediaPlayer.play() when
      main.cpp 

          QCoreApplication::setAttribute (Qt::AA_UseOpenGLES);

      main.qml

              MediaPlayer {
         id:player
         ...
         source: Qt.resolvedUrl("sample.mp4") 
         ...
        }

        VideoOutput {
            id: vo
            opacity: 0
            source: player
            flushMode: VideoOutput.LastFrame
            onContentRectChanged: {
                vo.opacity = 1
            }
        }

      When it crashes/hangs, the dialog appears

      Sample code is attached qtbug102316-QtQMLVideoSample.zip. Please run and click the window to execute play().
      This works fine with Qt5.15.6 or 5.15.7.

        1. qtbug102316-multimedia.png
          22 kB
          Nahomi Gröhn
        2. qtbug102316-QtQMLVideoSample.zip
          6.83 MB
          Nahomi Gröhn
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            laknoll Lars Knoll
            nagrohn Nahomi Gröhn (Inactive)
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              Created:
              Updated:
              Resolved:

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