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  1. Qt
  2. QTBUG-105940

Windows: QMediaPlayer sometimes stops playing after playback rate changing

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Details

    • Bug
    • Resolution: Won't Do
    • P3: Somewhat important
    • None
    • 6.3.1
    • Multimedia
    • None
    • Windows

    Description

      The bug is rarely reproduced if one changes the playback rate many times. Note, media player is able to continue playing if one calls player.pause and player.play. Most likely, the bug is not reproduced unless the tested video has audio track.

       

      Steps:

            - Just run tst_QMediaPlayerBackend::multiplePlaybackRateChangingStressTest with windows backend. https://codereview.qt-project.org/c/qt/qtmultimedia/+/428720

            - See commented code in the test, it could help to sort out the problem.

      or

          - run examples/video/mediaplayer

          - open a pretty long (1min and more) video with sound.

          - manually change the playback rate as fast as possible. 

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            padubsky Pavel Dubsky
            artemiy Artem Dyomin
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            Dates

              Created:
              Updated:
              Resolved:

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