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How to install submodule Qtmultimedia on Fedora?

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  • SGaistS SGaist

    The idea is that you look for the multimedia library and the plugins. The former should be something like libQt5Multimedia.so and you should have a subfolder named multimedia in the plugins folder.

    Note that if you do not have the GStreamer development libraries installed, you won't have much in the multimedia part.

    Did you do that from a clean state ?

    N Offline
    N Offline
    nrml
    wrote on last edited by nrml
    #13

    @SGaist

    Now Qt folder has multimedia and the install done:

    $git clone https://code.qt.io/cgit/qt/qtmultimedia.git
    $cd qtmultimedia/
    $git checkout 5.15.2
    $git submodule update --init --recursive
    $cd ../qt_build
    $qmake ../qtmultimedia/qtmultimedia.pro --
    $make -j4
    $make install
    

    No error happened but still error: Qtmultimedia/QMediaPlayer: No such file or directory occured.

    Note that if you do not have the GStreamer development libraries installed, you won't have much in the multimedia part.

    No, I haven't installed GStreamer development yet...

    1 Reply Last reply
    0
    • SGaistS SGaist

      The idea is that you look for the multimedia library and the plugins. The former should be something like libQt5Multimedia.so and you should have a subfolder named multimedia in the plugins folder.

      Note that if you do not have the GStreamer development libraries installed, you won't have much in the multimedia part.

      Did you do that from a clean state ?

      N Offline
      N Offline
      nrml
      wrote on last edited by
      #14

      @SGaist

      Did you do that from a clean state ?

      No, the Qt folder was not cleaned. Should I re install Qt creator and clone https://code.qt.io/cgit/qt/qtmultimedia.git?

      1 Reply Last reply
      0
      • JoeCFDJ Offline
        JoeCFDJ Offline
        JoeCFD
        wrote on last edited by
        #15

        After installation, you will be able to find this.
        5.15.2/gcc_64/include/QtMultimedia
        In the .pro file, add multimedia
        QT += core gui widgets xml multimedia

        N 2 Replies Last reply
        0
        • JoeCFDJ JoeCFD

          After installation, you will be able to find this.
          5.15.2/gcc_64/include/QtMultimedia
          In the .pro file, add multimedia
          QT += core gui widgets xml multimedia

          N Offline
          N Offline
          nrml
          wrote on last edited by nrml
          #16

          @JoeCFD

          Hello,

          After installation, you will be able to find this.
          5.15.2/gcc_64/include/QtMultimedia

          Yes, I can find it.

          I uninstalled Qt creator and reinstalled it. Then I did:

          $git clone https://code.qt.io/cgit/qt/qtmultimedia.git
          $cd qtmultimedia/
          $git checkout 5.15.2
          $git submodule update --init --recursive
          $cd ../qt_build
          $qmake ../qtmultimedia/qtmultimedia.pro --
          $make -j4
          $make install
          

          No error has come. I wrote

          QT += core gui widgets xml multimedia

          in .pro file and #include <Qtmultimedia/QMediaPlayer> into mainwindow.h file.
          But IDE says "Qtmultimedia/QMediaPlayer not found" and "You need to set an executable in the custom run configuration".

          What am I missing?

          JoeCFDJ 1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #17

            It's QtMultimedia.

            However, the use of the module prefix recommandation has been dropped since Qt 5.0 if not before.

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

            JoeCFDJ N 2 Replies Last reply
            0
            • SGaistS SGaist

              It's QtMultimedia.

              However, the use of the module prefix recommandation has been dropped since Qt 5.0 if not before.

              JoeCFDJ Offline
              JoeCFDJ Offline
              JoeCFD
              wrote on last edited by
              #18
              This post is deleted!
              1 Reply Last reply
              0
              • SGaistS SGaist

                It's QtMultimedia.

                However, the use of the module prefix recommandation has been dropped since Qt 5.0 if not before.

                N Offline
                N Offline
                nrml
                wrote on last edited by
                #19

                @SGaist
                Hello,

                I changed Qtmultimedia to QtMultimedia but it cannot find the file...

                JoeCFDJ 1 Reply Last reply
                0
                • N nrml

                  @SGaist
                  Hello,

                  I changed Qtmultimedia to QtMultimedia but it cannot find the file...

                  JoeCFDJ Offline
                  JoeCFDJ Offline
                  JoeCFD
                  wrote on last edited by JoeCFD
                  #20

                  @nrml said in How to install submodule Qtmultimedia on Fedora?:

                  QtMultimedia

                  type:
                  locate QtMultimedia

                  to show what you see
                  I have:
                  /opt/thirdParties/Qt/5.15.2/gcc_64/include/QtMultimedia/5.15.2/QtMultimedia/

                  1 Reply Last reply
                  0
                  • N nrml

                    @JoeCFD

                    Hello,

                    After installation, you will be able to find this.
                    5.15.2/gcc_64/include/QtMultimedia

                    Yes, I can find it.

                    I uninstalled Qt creator and reinstalled it. Then I did:

                    $git clone https://code.qt.io/cgit/qt/qtmultimedia.git
                    $cd qtmultimedia/
                    $git checkout 5.15.2
                    $git submodule update --init --recursive
                    $cd ../qt_build
                    $qmake ../qtmultimedia/qtmultimedia.pro --
                    $make -j4
                    $make install
                    

                    No error has come. I wrote

                    QT += core gui widgets xml multimedia

                    in .pro file and #include <Qtmultimedia/QMediaPlayer> into mainwindow.h file.
                    But IDE says "Qtmultimedia/QMediaPlayer not found" and "You need to set an executable in the custom run configuration".

                    What am I missing?

                    JoeCFDJ Offline
                    JoeCFDJ Offline
                    JoeCFD
                    wrote on last edited by JoeCFD
                    #21

                    @nrml When Qt is installed, there is an option to select multimedia for installation. It is not necessary to install it separately. But now you know how to install a component which may be required in Qt6

                    1 Reply Last reply
                    0
                    • JoeCFDJ JoeCFD

                      After installation, you will be able to find this.
                      5.15.2/gcc_64/include/QtMultimedia
                      In the .pro file, add multimedia
                      QT += core gui widgets xml multimedia

                      N Offline
                      N Offline
                      nrml
                      wrote on last edited by nrml
                      #22

                      @JoeCFD

                      QT += core gui widgets xml multimedia

                      If I add widgets xml to QT +=, at #include<QMainWindwow> and some others, errors as "Lexical or preprocessor issue" and "Parse issue" happen...

                      type:
                      locate QtMultimedia

                      Okay, this is a result:

                      /opt/Webex/qml/QtMultimedia
                      /opt/Webex/qml/QtMultimedia/libdeclarative_multimedia.so
                      /opt/Webex/qml/QtMultimedia/qmldir
                      /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia
                      /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/Video.qml
                      /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/libdeclarative_multimedia.so
                      /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/plugins.qmltypes
                      /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/qmldir
                      

                      When Qt is installed, there is an option to select multimedia for installation.

                      I used an installer which is from Open Source Qt Use but there was no option to multimedia. There, however, is an option to "Additional libraries->Qt->Active Qt, Qt 3D, Qt Charts and so forth" in Maintain Qt.

                      JoeCFDJ 1 Reply Last reply
                      0
                      • N nrml

                        @JoeCFD

                        QT += core gui widgets xml multimedia

                        If I add widgets xml to QT +=, at #include<QMainWindwow> and some others, errors as "Lexical or preprocessor issue" and "Parse issue" happen...

                        type:
                        locate QtMultimedia

                        Okay, this is a result:

                        /opt/Webex/qml/QtMultimedia
                        /opt/Webex/qml/QtMultimedia/libdeclarative_multimedia.so
                        /opt/Webex/qml/QtMultimedia/qmldir
                        /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia
                        /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/Video.qml
                        /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/libdeclarative_multimedia.so
                        /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/plugins.qmltypes
                        /var/lib/flatpak/runtime/org.fedoraproject.Platform/x86_64/f34/ca7d2818b9f0f5fb411ff4ac4a7c6bf3e0b404aa3623d674b547245c0902f10a/files/lib64/qt5/qml/QtMultimedia/qmldir
                        

                        When Qt is installed, there is an option to select multimedia for installation.

                        I used an installer which is from Open Source Qt Use but there was no option to multimedia. There, however, is an option to "Additional libraries->Qt->Active Qt, Qt 3D, Qt Charts and so forth" in Maintain Qt.

                        JoeCFDJ Offline
                        JoeCFDJ Offline
                        JoeCFD
                        wrote on last edited by JoeCFD
                        #23

                        @nrml download qt-unified-linux-x64-4.0.1-online.run from ​https://download.qt.io/official_releases/online_installers/
                        use the latest one. Remove the old installation and try the new one. Install it in a location which can be found easily.
                        Usually /opt is the right choice.

                        N 1 Reply Last reply
                        0
                        • JoeCFDJ JoeCFD

                          @nrml download qt-unified-linux-x64-4.0.1-online.run from ​https://download.qt.io/official_releases/online_installers/
                          use the latest one. Remove the old installation and try the new one. Install it in a location which can be found easily.
                          Usually /opt is the right choice.

                          N Offline
                          N Offline
                          nrml
                          wrote on last edited by nrml
                          #24

                          @JoeCFD

                          Thank you for the link. I downloaded qt-unified-linux-x86_64-4.1.1-online.run and tried to run but there is no option to select multimedia in Select Components. I looked for it in Additional libraries, which has

                          • italicised text
                          • list item"Active Qt",
                          • list item" Qt 3D" and so on,

                          and Qt versions. Qt 6.1.0 has

                          • list item"Desktop gcc 64-bit",
                          • list item"Android",
                          • list item"Sources"....
                            Screenshot from 2021-06-04 01-54-42.png

                          Also Qt 5.15.2 has some components like them. Is the multimedia included one of them?

                          JoeCFDJ 1 Reply Last reply
                          0
                          • N nrml

                            @JoeCFD

                            Thank you for the link. I downloaded qt-unified-linux-x86_64-4.1.1-online.run and tried to run but there is no option to select multimedia in Select Components. I looked for it in Additional libraries, which has

                            • italicised text
                            • list item"Active Qt",
                            • list item" Qt 3D" and so on,

                            and Qt versions. Qt 6.1.0 has

                            • list item"Desktop gcc 64-bit",
                            • list item"Android",
                            • list item"Sources"....
                              Screenshot from 2021-06-04 01-54-42.png

                            Also Qt 5.15.2 has some components like them. Is the multimedia included one of them?

                            JoeCFDJ Offline
                            JoeCFDJ Offline
                            JoeCFD
                            wrote on last edited by JoeCFD
                            #25

                            @nrml this is the latest 6.0.4. Click Archives and select 5.15.2 may be 4

                            N 1 Reply Last reply
                            0
                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #26

                              QtMultimedia is not an optional package, it's part of the standard installation with Qt 5. For Qt 6, it shall be back for 6.2.

                              If it's not there with 5.15.2, then try either with 5.15.1 or if you have a commercial license a later version.

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

                              1 Reply Last reply
                              0
                              • JoeCFDJ JoeCFD

                                @nrml this is the latest 6.0.4. Click Archives and select 5.15.2 may be 4

                                N Offline
                                N Offline
                                nrml
                                wrote on last edited by
                                #27

                                @JoeCFD

                                There is no Qt Multimedia package in both 5.15.2 and 5.15.1...

                                0acdaabc-4198-4da9-8cdb-a809405bf461-image.png

                                SGaistS 1 Reply Last reply
                                0
                                • N nrml

                                  @JoeCFD

                                  There is no Qt Multimedia package in both 5.15.2 and 5.15.1...

                                  0acdaabc-4198-4da9-8cdb-a809405bf461-image.png

                                  SGaistS Offline
                                  SGaistS Offline
                                  SGaist
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #28

                                  @nrml Because, as I wrote, it is part of the standard set of installed modules.

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

                                  N 1 Reply Last reply
                                  0
                                  • SGaistS SGaist

                                    @nrml Because, as I wrote, it is part of the standard set of installed modules.

                                    N Offline
                                    N Offline
                                    nrml
                                    wrote on last edited by
                                    #29

                                    @SGaist

                                    Okay... so if I install Qt, it should be installed as default?
                                    Hmm... then why cannot my qt creator find the file?

                                    Path problem? I am installing qt in /opt directory and try run the code again once it done.

                                    1 Reply Last reply
                                    0
                                    • N Offline
                                      N Offline
                                      nrml
                                      wrote on last edited by nrml
                                      #30

                                      Once done installing Qt into /opt directory and git clone and qmake , make install and so forth, but it still says Unknown module(s) in QT: multimedia...

                                      What can I do anything else?

                                      JoeCFDJ 1 Reply Last reply
                                      0
                                      • N nrml

                                        Once done installing Qt into /opt directory and git clone and qmake , make install and so forth, but it still says Unknown module(s) in QT: multimedia...

                                        What can I do anything else?

                                        JoeCFDJ Offline
                                        JoeCFDJ Offline
                                        JoeCFD
                                        wrote on last edited by
                                        #31

                                        @nrml It is unnecessary to do git clone anymore after installation. Next step is to add qt bin and lib path in the shell.

                                        add the similar stuff somewhere in .bashrc
                                        export QT_DIR=/opt/thirdParties/Qt/5.15.2/gcc_64
                                        export PATH=$QT_DIR/bin:$PATH
                                        export LD_LIBRARY_PATH=$QT_DIR/lib:$LD_LIBRARY_PATH

                                        open another tab and launch your qtcreator.

                                        1 Reply Last reply
                                        0
                                        • N Offline
                                          N Offline
                                          nrml
                                          wrote on last edited by
                                          #32

                                          @nrml

                                          I added

                                          export QT_DIR=/opt/Qt/5.15.2/gcc_64
                                          export PATH=$QT_DIR/bin:$PATH
                                          export LD_LIBRARY_PATH=$QT_DIR/lib:$LD_LIBRARY_PATH
                                          

                                          in .bashrc and logged out. Then launched qtcreator but the error was there...

                                          What I did is that I installed qtcreator in /opt/Qt/ and installed qtmultimedia which is cloned from git and qmake and so on. Then I added path above in my .bashrc.

                                          JoeCFDJ 1 Reply Last reply
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