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Is QMediaGaplessPlaybackControl implemented?

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  • O Offline
    O Offline
    oh3netid
    wrote on last edited by
    #1

    Hello,

    I am working on a media player and need audio crossfading capability. Today I noticed that crossfading exists in the QMediaGaplessPlaybackControl but whenever I request the control from my QMediaPlayer's service object the control returns NULL. Has this control actually been implemented or is it platform/media specific? Any examples of its use would be appreciated. I am developing with Qt5.2 on OSX Mavericks.

    Thanks,
    -Will

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    • C Offline
      C Offline
      cedrix
      wrote on last edited by
      #2

      Hi,

      Yes it is platform specific.
      http://qt-project.org/wiki/Qt_Multimedia_Backends

      According to the source code of the avfoundation and quicktime7 multimedia backend plugins (the ones used in OSX if I am right), it is implemented in neither of them.
      The source code is located here: Src/qtmultimedia/src/plugins/qt7/mediaplayer/qt7playerservice.mm and the key method is requestControl.

      Cédric

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