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Touchscreen Rotation = Video lock-up?

  • I've been battling an issue while porting my application from Qt 5.5 to Qt 5.11.
    Our systems have two different touchscreens that can be installed in them.
    One of the touchscreens is rotated by 180 degrees.
    I have a boot script that detects which touchscreen is installed in the system (using "lsusb") and, if the rotated touchscreen is installed, sets the environment variable...


    When that environment variable is set, videos will not play (application locks up).
    Videos play just fine when this isn't set.

    Has anybody else had this issue? What was done to resolve it?
    Any tips would be appreciated!

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