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Video player on iMX6 with Qt/QML - small frame rate

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  • K Offline
    K Offline
    kluszon
    wrote on last edited by kluszon
    #1

    I've got the same situation as in: Video frame rate on iMX6. I run QML Video Example with result 12-17 fps with 1920 x 1080 resolution. On small 7" touch screen 800 x 480 is around ~25 fps. I'm using Qt 5.9.2 and Boot2Qt image for test and play mp4 hd movie.

    Playing it directly (not through a Qt app) plays great, so hardware can do it..., but I want wite own player using Qt.

    Is it possible to increase video frame rate using Qt and QML?

    jsulmJ 1 Reply Last reply
    0
    • K kluszon

      I've got the same situation as in: Video frame rate on iMX6. I run QML Video Example with result 12-17 fps with 1920 x 1080 resolution. On small 7" touch screen 800 x 480 is around ~25 fps. I'm using Qt 5.9.2 and Boot2Qt image for test and play mp4 hd movie.

      Playing it directly (not through a Qt app) plays great, so hardware can do it..., but I want wite own player using Qt.

      Is it possible to increase video frame rate using Qt and QML?

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @kluszon How are you playing video with Qt?

      https://forum.qt.io/topic/113070/qt-code-of-conduct

      K 1 Reply Last reply
      0
      • jsulmJ jsulm

        @kluszon How are you playing video with Qt?

        K Offline
        K Offline
        kluszon
        wrote on last edited by
        #3

        @jsulm Now I'm using QML Video Example. It use: Media Player QML from QtMultimedia 5.0.

        jsulmJ 1 Reply Last reply
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        • K kluszon

          @jsulm Now I'm using QML Video Example. It use: Media Player QML from QtMultimedia 5.0.

          jsulmJ Offline
          jsulmJ Offline
          jsulm
          Lifetime Qt Champion
          wrote on last edited by
          #4

          @kluszon If you start your app from command line - do you see any warnings/errors?

          https://forum.qt.io/topic/113070/qt-code-of-conduct

          K 1 Reply Last reply
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          • jsulmJ jsulm

            @kluszon If you start your app from command line - do you see any warnings/errors?

            K Offline
            K Offline
            kluszon
            wrote on last edited by kluszon
            #5

            @jsulm Yep I've got:

            [INFO]	bitstreamMode 1, chromaInterleave 0, mapType 0, tiled2LinearEnable 0
            [WARN] VPU iram is less than needed, some parts don't use iram
            

            Any solution for it issue?

            @edit

            It is possibly, but you must use pure gstreame1.0 and qt-gstreamer 1.2.0. Topic to close.

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