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GStreamer with QT6

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  • JoeCFDJ JoeCFD

    @Joe-von-Habsburg I think you did not set pkg configure path. If you do not know how to set it, find the pkg files in gstreamer installation and add all the libs inside to your project.

    J Offline
    J Offline
    Joe von Habsburg
    wrote on last edited by
    #11

    @JoeCFD said in GStreamer with QT6:

    I think you did not set pkg configure path. If you do not know how to set it, find the pkg files in gstreamer installation and add all the libs inside to your project.

    PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/bin/pkgconfig:$PKG_CONFIG_PATH

    aa513e32-c20d-4c29-852b-5f524bb2f231-image.png

    JoeCFDJ 1 Reply Last reply
    0
    • J Joe von Habsburg

      @JoeCFD said in GStreamer with QT6:

      I think you did not set pkg configure path. If you do not know how to set it, find the pkg files in gstreamer installation and add all the libs inside to your project.

      PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/bin/pkgconfig:$PKG_CONFIG_PATH

      aa513e32-c20d-4c29-852b-5f524bb2f231-image.png

      JoeCFDJ Offline
      JoeCFDJ Offline
      JoeCFD
      wrote on last edited by JoeCFD
      #12

      @Joe-von-Habsburg pkg config path is under gstreamer lib dir.
      For example in Linux
      /opt/thirdParties/gstreamer/lib/pkgconfig
      Maybe it is different in Windows
      and pkg-config.exe has to be in system path of Windows.

      J 1 Reply Last reply
      0
      • JoeCFDJ JoeCFD

        @Joe-von-Habsburg pkg config path is under gstreamer lib dir.
        For example in Linux
        /opt/thirdParties/gstreamer/lib/pkgconfig
        Maybe it is different in Windows
        and pkg-config.exe has to be in system path of Windows.

        J Offline
        J Offline
        Joe von Habsburg
        wrote on last edited by
        #13

        @JoeCFD said in GStreamer with QT6:

        @Joe-von-Habsburg pkg config path is under gstreamer lib dir.
        For example in Linux
        /opt/thirdParties/gstreamer/lib/pkgconfig
        Maybe it is different in Windows

        There is only C:/gstreamer/1.0/msvc_x86_64/bin/pkg-config.exe

        f54da375-fd5f-45e0-9293-b867c00310aa-image.png

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        • JoeCFDJ Offline
          JoeCFDJ Offline
          JoeCFD
          wrote on last edited by JoeCFD
          #14

          add C:/gstreamer/1.0/msvc_x86_64/bin to PATH on Windows. This enables you to run pkg-config.exe and use pkg-config. Nice that gstreamer includes it for you.
          go to C:/gstreamer/1.0/msvc_x86_64/lib to find dir pkgconfig. Add C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig to PKG_CONFIG_PATH

          Do not forget to add gstreamer plugin path as well in your env. Otherwise, you can not run your gstreamer app.

          J 1 Reply Last reply
          0
          • JoeCFDJ JoeCFD

            add C:/gstreamer/1.0/msvc_x86_64/bin to PATH on Windows. This enables you to run pkg-config.exe and use pkg-config. Nice that gstreamer includes it for you.
            go to C:/gstreamer/1.0/msvc_x86_64/lib to find dir pkgconfig. Add C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig to PKG_CONFIG_PATH

            Do not forget to add gstreamer plugin path as well in your env. Otherwise, you can not run your gstreamer app.

            J Offline
            J Offline
            Joe von Habsburg
            wrote on last edited by
            #15

            @JoeCFD said in GStreamer with QT6:

            C:/gstreamer/1.0/msvc_x86_64/bin to PATH on Window

            it already exists

            d4060ddb-aee4-4ad8-befe-b0a0b3335a59-image.png

            @JoeCFD said in GStreamer with QT6:

            C:/gstreamer/1.0/msvc_x86_64/lib to find dir pkgconfig

            there is no pkg lib

            a99c75f6-6b8e-4674-aebb-25deac87ad1f-image.png

            6ee8b5b1-7fe4-4a6d-8b25-ca79eb592edf-image.png

            83ef1969-2dc6-46e9-9ce2-35e4c3e96535-image.png

            2b124ea5-9f96-4f71-8218-4342a5cfa93f-image.png

            @JoeCFD said in GStreamer with QT6:

            C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig

            its not here.

            I have only pkg-config exe in C:/gstreamer/1.0/msvc_x86_64/bin/pkg-config.exe

            1 Reply Last reply
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            • JoeCFDJ Offline
              JoeCFDJ Offline
              JoeCFD
              wrote on last edited by
              #16

              If it does not exist, you are unable to use it. I can check it out later for you in my home Windows.

              J 1 Reply Last reply
              0
              • JoeCFDJ JoeCFD

                If it does not exist, you are unable to use it. I can check it out later for you in my home Windows.

                J Offline
                J Offline
                Joe von Habsburg
                wrote on last edited by
                #17

                @JoeCFD thank you so much, I will wait and research new solutions

                JoeCFDJ 1 Reply Last reply
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                • J Joe von Habsburg

                  @JoeCFD thank you so much, I will wait and research new solutions

                  JoeCFDJ Offline
                  JoeCFDJ Offline
                  JoeCFD
                  wrote on last edited by JoeCFD
                  #18

                  @Joe-von-Habsburg
                  https://stackoverflow.com/questions/63026758/cannot-compile-gstreamer-on-windows-because-it-is-missing-glib-2-0

                  it can be there. Try to reinstall it in different ways.

                  1 Reply Last reply
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                  • JoeCFDJ JoeCFD

                    @Joe-von-Habsburg I edited my post. You need to figure out how to set pkg path on Windows.

                    On linux:
                    export PKG_CONFIG_PATH=/opt/thirdParties/gstreamer/lib/pkgconfig:$PKG_CONFIG_PATH

                    it is easier to use pkg config to add packages into a project because all dependencies are taken care of. But you can add all libs manually as well.

                    J Offline
                    J Offline
                    Joe von Habsburg
                    wrote on last edited by Joe von Habsburg
                    #19

                    I download files with msys :

                    pacman -S mingw-w64-x86_64-gstreamer mingw-w64-x86_64-gst-plugins-base \
                          mingw-w64-x86_64-gst-plugins-good mingw-w64-x86_64-gst-plugins-bad \
                          mingw-w64-x86_64-gst-plugins-ugly mingw-w64-x86_64-gst-libav \
                          mingw-w64-x86_64-gst-rtsp-server
                    

                    and I copy the pkgconfig to lib like that

                    image.png

                    and gsreamer-1.0.pc and gsteamer-video-1.0.pc exist

                    image.png

                    cmake like that :

                    PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH
                    find_package( PkgConfig REQUIRED )
                    pkg_search_module( GSTREAMER REQUIRED IMPORTED_TARGET gstreamer-1.0)
                    pkg_search_module( GSTREAMER-VIDEO REQUIRED IMPORTED_TARGET gstreamer-video-1.0)
                    

                    but its not work

                    aee5e95a-84a0-49ce-9c13-fc96965b9d94-image.png

                    JoeCFDJ 1 Reply Last reply
                    0
                    • J Joe von Habsburg

                      I download files with msys :

                      pacman -S mingw-w64-x86_64-gstreamer mingw-w64-x86_64-gst-plugins-base \
                            mingw-w64-x86_64-gst-plugins-good mingw-w64-x86_64-gst-plugins-bad \
                            mingw-w64-x86_64-gst-plugins-ugly mingw-w64-x86_64-gst-libav \
                            mingw-w64-x86_64-gst-rtsp-server
                      

                      and I copy the pkgconfig to lib like that

                      image.png

                      and gsreamer-1.0.pc and gsteamer-video-1.0.pc exist

                      image.png

                      cmake like that :

                      PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH
                      find_package( PkgConfig REQUIRED )
                      pkg_search_module( GSTREAMER REQUIRED IMPORTED_TARGET gstreamer-1.0)
                      pkg_search_module( GSTREAMER-VIDEO REQUIRED IMPORTED_TARGET gstreamer-video-1.0)
                      

                      but its not work

                      aee5e95a-84a0-49ce-9c13-fc96965b9d94-image.png

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

                      @Joe-von-Habsburg said in GStreamer with QT6:

                      PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH

                      ":" is missing in the picture.
                      PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH

                      J 1 Reply Last reply
                      0
                      • JoeCFDJ JoeCFD

                        @Joe-von-Habsburg said in GStreamer with QT6:

                        PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH

                        ":" is missing in the picture.
                        PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH

                        J Offline
                        J Offline
                        Joe von Habsburg
                        wrote on last edited by
                        #21

                        @JoeCFD said in GStreamer with QT6:

                        ":" is missing in the picture.

                        I forgot about it and added it. the code shows it as added. but nothing happened. i keep getting the error. i'm sure the solution is very simple in linux. i wish it could be the same in windows.

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                        • A Offline
                          A Offline
                          anonymus982493
                          wrote on last edited by
                          #22

                          hey, the problem is that you need to write it like this:
                          set(PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH)
                          this way it should work, I had the same problem last week

                          J 1 Reply Last reply
                          0
                          • A anonymus982493

                            hey, the problem is that you need to write it like this:
                            set(PKG_CONFIG_PATH=C:/gstreamer/1.0/msvc_x86_64/lib/pkgconfig:$PKG_CONFIG_PATH)
                            this way it should work, I had the same problem last week

                            J Offline
                            J Offline
                            Joe von Habsburg
                            wrote on last edited by Joe von Habsburg
                            #23

                            @anonymus982493

                            Could not work on me :/

                            Where do you install gstreamer and where do you install pkgconfig folder in lib ?

                            f621dadd-0954-4365-a16b-b2a86b5e7c91-image.png

                            6e3a1454-abd4-4176-89bd-b2796a02469d-image.png

                            JoeCFDJ 1 Reply Last reply
                            0
                            • J Joe von Habsburg

                              @anonymus982493

                              Could not work on me :/

                              Where do you install gstreamer and where do you install pkgconfig folder in lib ?

                              f621dadd-0954-4365-a16b-b2a86b5e7c91-image.png

                              6e3a1454-abd4-4176-89bd-b2796a02469d-image.png

                              JoeCFDJ Offline
                              JoeCFDJ Offline
                              JoeCFD
                              wrote on last edited by
                              #24

                              @Joe-von-Habsburg
                              https://stackoverflow.com/questions/10810279/finding-libraries-using-pkg-config-in-windows

                              open one of the pc files and check if the prefix is correct.

                              The installed pkg config path is basically fixed under lib. Do not try to change it.

                              1 Reply Last reply
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