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Create QuickTime movies in Qt?

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  • B Offline
    B Offline
    bovilexic
    wrote on last edited by
    #1

    Off-the wall question: is there any API in Qt for creating QuickTime movies from a sequence of images?

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    • A Offline
      A Offline
      andreyc
      wrote on last edited by
      #2

      AFAIK(As Far As I Know) no, there is no such API in Qt Multimedia.

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #3

        Hi,

        To add to andreyc, the quickest way would be to use ffmpeg for that e.g. through QProcess

        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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        • B Offline
          B Offline
          bovilexic
          wrote on last edited by
          #4

          Yeah, that was my thought, as well. By far the easiest thing to do would be just to dump the frames into a temp dir, run ffmpeg shell command as a "system" call, then remove the frames.

          I managed to get the ffmpeg libs to compile (easy on Mac or Linux, rather gruesome in Windows). So, it's possible to create movies programatically from frame data, but the cost of building for several platforms and architectures is not fun, and you can't use h.264 in ffmpeg in a non-GPL program.

          Just gotta convince the boss to go with the easy (run ffmpeg command instead) solution. Only real cost is a ton of disk space in the process of doing this... :-)

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