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Video playing from SD Card

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #2

    Hi,

    It depends on the technology you will use however, in any case, have a look at the Qt Multimedia documentation.

    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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    • A Offline
      A Offline
      aabfm
      wrote on last edited by
      #3

      I'll have a go.
      What I want is just to play any kind of video file (from AVI to MP4, etc etc)

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      • A Offline
        A Offline
        aabfm
        wrote on last edited by
        #4

        I'M LOST!!!!!!
        Does anybody know of a simple function that I can associate with a button and once I press that button it plays a file such as /home/user/video.avi (or mp4)?
        I'm struggling with time... Help!!!!

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #5

          Something like "this":http://qt-project.org/doc/qt-5/qtmultimedia-video-qmlvideo-example.html ? Does a bit too much for what you want but should get you started

          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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          • A Offline
            A Offline
            aabfm
            wrote on last edited by
            #6

            I have to agree with you it's a 'bit' too much...
            Let me explain where I'm at right now with my application.

            I'm developing a fancy doorbell for which I'd like to have this virtual doorman, i.e., imagine that the only person in the house is in busy and should be ok to open the door in a couple of minutes, the doorman would appear in the screen (video playing) greeting whoever is at the door and asking to wait a couple of minutes while he's 'trying to contact' the person in the house.
            I've already done everything from the virtual door knob on the DX4 to the electronic circuit that controls the door lock, as well as the video with the doorman.
            What I want now is to play the video as soon as somebody hits the button.

            BTW there is another thread of mine regarding interrupt handling, that would be for the person to open the door from inside.

            Thanks in advance not only for your help and support but also for your patience.

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            • A Offline
              A Offline
              aabfm
              wrote on last edited by
              #7

              Hi again,
              I've made everything but the video.
              Is there a tutorial, on a step-by-step basis, that can show/teach me one of these solutions?

              • A modal window with the video in it and a Cancel button in case I want to stop it and get back into the parent window.
              • Similar to the previous one but a separate application that I can call from the main one.
              • Ideal one would be a full screen video playing and when the video finishes it just closes itself and the main window is just behind it.
                I've tried qt.project.org but step-by-step tutorials don't seem to exist...
                Any ideas where to find this?
                Thanks
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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #8

                Something's not clear, do you want to use a single application with multiple windows or several applications ?

                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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                • A Offline
                  A Offline
                  aabfm
                  wrote on last edited by
                  #9

                  Either way, which ever is easier or faster.
                  Right now I can't afford to look on the aesthetics. :)
                  Once again thanks for your patience.

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #10

                    Then you should just go with the MediaPlayer element and build from there using e.g. a Stack

                    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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                    • A Offline
                      A Offline
                      aabfm
                      wrote on last edited by
                      #11

                      Can you help me with that? Where should I go first?
                      Is this a case of drag and drop and edit some properties?
                      Is this just code typing? Do I need to add something to the user interface?

                      I'll try to simplify even more what I want...
                      I need a button on the main window that once clicked calls either a full screen playing video or (perhaps better) a child window with the video playing in it with only a 'close' button to return to the main one.

                      Let me take this opportunity to ask a question which as been quite difficult to find an answer for: which types of video can I play with MediaPlayer?

                      Sorry but this is really the first time for me with Qt...
                      And if we're talking about Qt with ELDK at the same time... That's even worse...

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                      • A Offline
                        A Offline
                        ankitlive
                        wrote on last edited by
                        #12

                        hi,
                        Copy the video from the SD card to the local hard drive and check if you can play the video.

                        Please check the link below to see how to post questions in forum.

                        http://support.microsoft.com/kb/555375

                        Post back with the status.

                        [url=http://www.mygatenow.com/2014/10/shoe-in-money-system-review.html]shoe in money system review[/url]

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #13

                          It depends if you are writing the QML by hand or using the qml designer.

                          The video format supported will depend on the backend, so if's linux, it should be what gstreamer supports.

                          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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