Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-121542

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

    XMLWordPrintable

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.

       

       

        

       

       

      Attachments

        1. VideoStuttering.zip
          3.63 MB
          Mehdi Belila

        Issue Links

          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
          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

              johanseg Jøger Hansegård
              mahdi.belila Mehdi Belila
              Votes:
              2 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

                Created:
                Updated:

                Gerrit Reviews

                  There are no open Gerrit changes