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Problem with Qt Multimedia

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c++multimediaqmediaplayerlogoutqt 5.8
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  • K Offline
    K Offline
    KhoaTran Programmer
    wrote on last edited by
    #43

    @6EQUJ5 ,

    Your log is not detail enough. You should enable Gstreamer debug, your current is just Qt.

    But I guest that, your current Gstreamer plugin is not enough to playback.

    One question, what kind of movie content you want to playback?(Mp4, WMV, H264, H265, MP3, ...)

    Best regards,
    Khoa

    1 Reply Last reply
    0
    • SGaistS SGaist

      What GStreamer package did you install ?

      6 Offline
      6 Offline
      6EQUJ5
      wrote on last edited by 6EQUJ5
      #44

      @SGaist I didn't install GStreamer. How to install? Specific instructions please the official GStreamer site doesn't help much at all for Debian.

      @KhoaTran-Programmer Firstly, the commands to check if GStreamer is installed doesn't work. How to install? Specifically. The official GStreamer site doesn't help at all for Debian. Also, I would want to play MP4, MP3, AVI, WMV, etc. All those common ones. Doesn't QMediaPlayer support most common ones?

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by SGaist
        #45

        Because it's not their role. Use your distribution tools to install GStreamer.

        Specifically, apt-cache search to see what package are installed and apt-get install to install what you want.

        In your case, libgstreamer1.0-dev as well as all the 1.0 plugins packages.

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

        6 1 Reply Last reply
        1
        • SGaistS SGaist

          Because it's not their role. Use your distribution tools to install GStreamer.

          Specifically, apt-cache search to see what package are installed and apt-get install to install what you want.

          In your case, libgstreamer1.0-dev as well as all the 1.0 plugins packages.

          6 Offline
          6 Offline
          6EQUJ5
          wrote on last edited by
          #46

          @SGaist I did that and the same error happens.

          1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #47

            Can you play that file with the gstreamer tools directly ?

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

            6 1 Reply Last reply
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            • SGaistS SGaist

              Can you play that file with the gstreamer tools directly ?

              6 Offline
              6 Offline
              6EQUJ5
              wrote on last edited by
              #48

              @SGaist How would I do that?

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #49

                gst-play-1.0 your_video_file

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                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                6 1 Reply Last reply
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                • SGaistS SGaist

                  gst-play-1.0 your_video_file

                  6 Offline
                  6 Offline
                  6EQUJ5
                  wrote on last edited by 6EQUJ5
                  #50

                  @SGaist The command doesn't exist. Even though I installed libgstreamer1.0-dev.

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #51

                    That's the development package to be able to use the library in your own projects. You need to install the GStreamer tools.

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

                    6 1 Reply Last reply
                    0
                    • SGaistS SGaist

                      That's the development package to be able to use the library in your own projects. You need to install the GStreamer tools.

                      6 Offline
                      6 Offline
                      6EQUJ5
                      wrote on last edited by
                      #52

                      @SGaist What package do I need to install for the GStreamer tools?

                      1 Reply Last reply
                      0
                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #53

                        Please learn to use the tools from your distribution apt-cache search gstreamer | grep tools.

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

                        6 1 Reply Last reply
                        1
                        • SGaistS SGaist

                          Please learn to use the tools from your distribution apt-cache search gstreamer | grep tools.

                          6 Offline
                          6 Offline
                          6EQUJ5
                          wrote on last edited by
                          #54

                          @SGaist I installed all the packages that came up with that command. gst-play-1.0 still doesn't work.

                          1 Reply Last reply
                          0
                          • SGaistS Offline
                            SGaistS Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on last edited by
                            #55

                            What doesn't work ?

                            You can't read the file using the command ?

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

                            6 1 Reply Last reply
                            0
                            • SGaistS SGaist

                              What doesn't work ?

                              You can't read the file using the command ?

                              6 Offline
                              6 Offline
                              6EQUJ5
                              wrote on last edited by
                              #56

                              @SGaist The command still doesn't exist according to the terminal even with sudo.

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                              • SGaistS Offline
                                SGaistS Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #57

                                Seriously, did you even try to search where that file could be found ?

                                In this case it's the package gstreamer1.0-plugins-base-apps and the tools package is a dependency of that one.

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

                                6 1 Reply Last reply
                                0
                                • SGaistS SGaist

                                  Seriously, did you even try to search where that file could be found ?

                                  In this case it's the package gstreamer1.0-plugins-base-apps and the tools package is a dependency of that one.

                                  6 Offline
                                  6 Offline
                                  6EQUJ5
                                  wrote on last edited by
                                  #58

                                  @SGaist I'm sorry. I may be at least an amateur programmer, but I'm definitely not a Linux expert, so I lack knowledge. I tried googling to get gst-play-1.0 to work but came up with nothing.

                                  Installing gstreamer1.0-plugins-base-apps allowed me to use the gst-play-1.0 command. But, when I try to play a video file (MP4) the same thing happens! I get logged out!

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                                  • SGaistS Offline
                                    SGaistS Offline
                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #59

                                    Then you have determined that it's not a Qt problem. There's something fishy going on with your machine.

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

                                    6 1 Reply Last reply
                                    0
                                    • SGaistS SGaist

                                      Then you have determined that it's not a Qt problem. There's something fishy going on with your machine.

                                      6 Offline
                                      6 Offline
                                      6EQUJ5
                                      wrote on last edited by 6EQUJ5
                                      #60

                                      @SGaist It works fine in Windows 10 though. What could possibly be wrong with Debian Linux?

                                      jsulmJ 1 Reply Last reply
                                      0
                                      • SGaistS Offline
                                        SGaistS Offline
                                        SGaist
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #61

                                        You are comparing apple to oranges. Both are completely different OSs with completely different multimedia backends.

                                        I don't know what is going on with your Debian but you sure have something either misconfigured or buggy. However, it's not something Qt related. You should check with the Debian folks.

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

                                        6 1 Reply Last reply
                                        0
                                        • 6 6EQUJ5

                                          @SGaist It works fine in Windows 10 though. What could possibly be wrong with Debian Linux?

                                          jsulmJ Offline
                                          jsulmJ Offline
                                          jsulm
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #62

                                          @6EQUJ5 I would guess bad graphics driver.
                                          You could check the output of dmesg command. In general you should ask this question in a Debian forum or mailing list and attach information about your system (especially graphics hardware).

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

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