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How to play h.264 video in Qt

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #6

    So you want to play h.264 files but don't want to install any codecs for that ?

    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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    • R Offline
      R Offline
      rockon209
      wrote on last edited by
      #7

      Means is there any other option like i can use vlc-qt lib but i dont know how to link vlc-qt lib with qt. If you know it please help me in that

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #8

        The VLC-Qt website provides the documentation for that.

        Note that VLC-Qt depends on libVLC which itself depends on x264 for h264 handling. x264 is free to use under the GPL license. If you want to create a closed source commercial product you can buy a license.

        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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        • R Offline
          R Offline
          rockon209
          wrote on last edited by
          #9

          Where I can download and how I can x264 codec. I am new to videos and codec please help.
          Thanks

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          • R Offline
            R Offline
            rockon209
            wrote on last edited by
            #10

            One more question I thought after reading about x264. It is used for encoding to h.264 and I am making a video player which displays h.264 video and therfore I need a decoder to decode the h.264 not encode. Correct me if I am wrong.
            Thanks

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            • tekojoT Offline
              tekojoT Offline
              tekojo
              wrote on last edited by
              #11

              Hi,
              Yes, you need a h.264 decoder. x264 does both encode and decode.

              As you are apparently working on a closed source project, you need to get a commercially licensed h.264 decoder. x264 is also available under a commercial license, see here https://licensing.x264.org/en/

              Free decoders are generally under the GPL license, which will not work for your closed source program, as the licenses are incompatible.

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #12

                An alternative would be to use a free format like webm.

                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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                • R Offline
                  R Offline
                  rockon209
                  wrote on last edited by
                  #13

                  Thank you for the information.
                  I have one more question I have downloaded the x264 codec from the website below. Could you help me in installing or building it in my desktop so that i can use it for Qt application
                  http://www.videolan.org/developers/x264.html

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #14

                    Do you mean using it through the VLC Qt project ?

                    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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                    • R Offline
                      R Offline
                      rockon209
                      wrote on last edited by
                      #15

                      No not using VLC Qt project but directly how to install it in windows 10

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #16

                        You can either build it from sources or download the pre-built binary. It's all on the project's web page.

                        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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