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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

    • Type: Bug
    • Status: Closed
    • Priority: P2: Important
    • Resolution: Done
    • Affects Version/s: 5.5.0, 5.6.0 Alpha
    • Fix Version/s: 5.6.0 RC
    • Labels:
      None
    • Environment:
      Reproducible on Debian GNU/Linux sid amd64, with VLC 2.2.1-0-ga425c42 and Qt 5.5.1
    • Commits:
      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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              • Assignee:
                ulherman Ulf Hermann
                Reporter:
                khaos Matthias Dahl
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                Dates

                • Created:
                  Updated:
                  Resolved:

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