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  1. Qt
  2. QTBUG-48321

[REG 5.4.x -> 5.5.x] Video playback partially broken with Qt5 interface for VLC

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Details

    • Bug
    • Resolution: Done
    • P2: Important
    • 5.6.0 RC
    • 5.5.0, 5.6.0 Alpha
    • Widgets: Widgets and Dialogs
    • None
    • Reproducible on Debian GNU/Linux sid amd64, with VLC 2.2.1-0-ga425c42 and Qt 5.5.1
    • 0f68f8920573cdce1729a285a92ac8582df32841

    Description

      Starting with Qt 5.5, using the Qt5 interface of VLC, three quarters of the video is cropped and thus black.

      This happens only if the interface is integrated with the video (which is the default btw).

      A git bisect lead me to commit "QtWidgets: don't set Qt::WA_OutsideWSRange for 0-sized non-windows" 37f326297d45564298a2c8cb1958a81b858de57c (qtbase/5.5, 13.3.2015) https://codereview.qt-project.org/#/c/108203/ . If reverted, everything is back to normal and works. This change was introduced as a fix for QTBUG-42727.

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          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-42727 [REG 4.8->5.X] Adding QLabel to QHBoxLayout with certain AlignmentFlag(s) (left/right) causes missing repaint

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              ulherman Ulf Hermann
              khaos Matthias Dahl
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                Created:
                Updated:
                Resolved:

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