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Qt mediaplayer and gstreamer pipeline

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  • JoeCFDJ Offline
    JoeCFDJ Offline
    JoeCFD
    wrote on last edited by JoeCFD
    #1

    A gstreamer pipeline is created inside my qt app(5.9.5) to play udpsrc to alsa(sink) on ubuntu. It is in playing state when the app is launched. If an audio file is played with qt media player in the app, this pipeline has to be destroyed. Otherwise, qt media player will not play. After audio file is finished in qt media player and qt media player is destroyed, the gstreamer pipeline can not set back to playing state after it is recreated. I turned off pulse audio globally and got no luck. What could be the causes? Thanks for you helps in advance.

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    • JoeCFDJ Offline
      JoeCFDJ Offline
      JoeCFD
      wrote on last edited by
      #2

      the gstreamer pipeline in my app works fine if qt media player plays the audio file in another app at the same time.

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #3

        Hi,

        Can you explain how you manage your GStreamer pipeline ?

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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