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  1. Qt
  2. QTBUG-121542

Video playback with QtMultimedia stutters when using d3d11 backend, WindowsMediaFoundation, and having an animation on the scene.

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Details

    • Bug
    • Resolution: Unresolved
    • P3: Somewhat important
    • None
    • 6.5.2, 6.5.3, 6.5.4, 6.6.1
    • Multimedia
    • Windows

    Description

      Video playback with QtMultimedia stutters in the following configuration:

      • QSG_RHI_BACKEND = d3d11.
      • Using WindowsMediaFoundation.
      • Having an animation on the scene.

      To reproduce the issue, follow the steps bellow:

      Manually delete the ffmpeg plugins from Qt installation folder ( in order to force the windowsmediafoundation plugin loading). The ffmpeg plugins are found in the following path C:\<Qt installation path>\<Qt affected version>\msvc2019_64\plugins\multimedia.

      Run the example project attached to this bug report.

      Click on the Main Window.

       

       

        

       

       

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-117099 Video jerks when playing (Windows backend)

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open
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              johanseg Jøger Hansegård
              mahdi.belila Mehdi Belila
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              Dates

                Created:
                Updated:

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