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Unable to connect the video probe in the player example



  • Hello. I ran the Media player example on Windows 10, opened .mp4 file and got this message in the console:

    D:\Programs\QT511\Examples\Qt-5.11.1\multimediawidgets\build-player-Desktop_Qt_5_11_1_MSVC2015_64bit-Debug\debug\player...
    Supported audio roles:
    qt.multimedia.plugins.directshow: Failed to connect the audio sample grabber
    qt.multimedia.plugins.directshow: Unable to connect the video probe!
    

    Why doesn't the video probe work? I want to get assess video frames and process them. How can i do this? Thanks for answers.


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