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    Failed to move between scenes

    Troubleshooting and Bug Reports
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    • R
      rhyamamoto last edited by

      Hi All,

      I created a scene using a screen capture alpha (zoom) into multiple projectors. I wanted to keep the look but add another projector (another zoom window) for a second scene, so I copied the first scene and added another projector. It looks fine. I can toggle between the scenes, but I can't get it to run in a fade. The stage goes black. I get this message "Failed to get duplicate output in cDuplicate manager with 0X80070057". Thoughts?

      Thanks,

      Ruth

      DusX mark 2 Replies Last reply Reply Quote 0
      • DusX
        DusX Tech Staff @rhyamamoto last edited by

        @rhyamamoto

        There is a known bug in the current Screen Capture Alpha actor, that causes a crash if transitioning between scene which both contain the Screen Capture Alpha actor.

        It is recommended to load the Screen Capture Alpha actor into a background scene, and share its video with a Broadcast actor.
        I have a simple example here that loads a background scene and shares video static to the primary scenes. (replace the static with Screen Capture Alpha)

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        R 1 Reply Last reply Reply Quote 1
        • mark
          mark @rhyamamoto last edited by

          @rhyamamoto said:

          I created a scene using a screen capture alpha (zoom) into multiple projectors. I wanted to keep the look but add another projector (another zoom window) for a second scene, so I copied the first scene and added another projector. It looks fine.

          I believe the crash you found is solved in Screen Capture actor v0.9.8, which I've uploaded today.

          Here's another example patch using that uses the Screen Capture actor in the background scene.

          screen-capture-using-background-scene.izz

          which is now included with v0.9.8.

          However, @DusX is right that the background scene is the best practice. Why? Because when you have a Screen Capture actor in each scene, and you transition from Scene A to B, it will have to shut down the capture engine in Scene A and then start up a new capture engine in Scene B. This inefficiency isn't the end of the world, but as long as the settings of the two Screen Capture actors are the same, it would not be the best way to approach it.

          Best Wishes,
          Mark

          Media Artist & Creator of Isadora
          Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

          1 Reply Last reply Reply Quote 1
          • Woland
            Woland Tech Staff last edited by

            I will add that I generally use background Scenes for any sort of live video or data source (Syphon, Spout, NDI, Screen Capture, Video In Watchers, OpenNI, OSC, etc.) so that I: 

            • Can always keep them active (and not have to worry about accidentally deactivating them when jumping between Scenes)
            • Never have to wait for them to initialize (which also avoids spikes in the LOAD and dips in the FPS in certain cases during Scene transitions)
            • Never have to worry about conflicts between two sources when transitioning between Scenes

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            1 Reply Last reply Reply Quote 0
            • R
              rhyamamoto @DusX last edited by

              @dusx Thank you. I temporarily solved my problem by using an envelope generator and trigger to make mini-scenes. I will look at your patch to make a background to see if I can figure it out.


              Cheers,

              Ruth

              1 Reply Last reply Reply Quote 2
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