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    Mavlink Camera Manager not appearing on QGC

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    • Eric KatzfeyE
      Eric Katzfey ModalAI Team @Daniel Ryu
      last edited by

      @Daniel-Ryu I'm going to have to resurrect my development station to look into this. The mavlink camera manager doesn't actually do any streaming. It's job is to just run the mavlink camera protocol to allow you to easily connect to a stream coming from voxl-streamer (or other application). Can you show the output of the mavlink camera manager application(s) when the debug "-d" option is used? That will show the protocol messages being transferred between the GCS and Voxl.

      Daniel RyuD 1 Reply Last reply Reply Quote 0
      • Daniel RyuD
        Daniel Ryu @Eric Katzfey
        last edited by Daniel Ryu

        @Eric-Katzfey

        Hires, stereo, tracking mavlink-camera-manager debug outputs (in this order). All three are running at the same time:
        Screen Shot 2021-09-03 at 12.39.55 PM.png

        Screen Shot 2021-09-03 at 12.40.04 PM.png

        Screen Shot 2021-09-03 at 12.40.13 PM.png

        Voxl-streamer debug output for hires (only hires had updated debug output, other voxl-streamers only had the standard bootup debug)
        Screen Shot 2021-09-03 at 12.40.33 PM.png

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        • Eric KatzfeyE
          Eric Katzfey ModalAI Team
          last edited by

          Okay, thanks! That shows, at least, a mavlink protocol session has been initiated with the mavlink-camera-manager. The camera protocol is documented here: https://mavlink.io/en/services/camera.html. The mavlink-camera-manager module is implementing a portion of that protocol. When it first connects there should be a flurry of protocol messages going back and forth. Once things are setup then it is just heartbeat messages as you see in the debug output above. So the key part of the debug output is the very beginning.

          Daniel RyuD 1 Reply Last reply Reply Quote 0
          • Daniel RyuD
            Daniel Ryu @Eric Katzfey
            last edited by

            @Eric-Katzfey Where can I go from here then, to be able to swap streams from a dropdown menu in QGC?

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            • Eric KatzfeyE
              Eric Katzfey ModalAI Team
              last edited by

              Look at the beginning of the debug output from mavlink-camera-manager. Do you see anything besides the heartbeat / ping messages? If so, can you paste that here?

              Daniel RyuD 1 Reply Last reply Reply Quote 0
              • Daniel RyuD
                Daniel Ryu @Eric Katzfey
                last edited by

                @Eric-Katzfey

                Screen Shot 2021-09-09 at 9.17.48 AM.png

                Screen Shot 2021-09-09 at 9.48.55 AM.png

                Screen Shot 2021-09-09 at 9.49.34 AM.png

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                • J
                  jaredjohansen
                  last edited by

                  @Eric-Katzfey , we got it working. The secret we were missing was our MAV_SYS_ID was not set to 1, which, apparently, is what this capability expects. Thanks!

                  Eric KatzfeyE 1 Reply Last reply Reply Quote 0
                  • Eric KatzfeyE
                    Eric Katzfey ModalAI Team @jaredjohansen
                    last edited by

                    @jaredjohansen Great! Glad to hear it!

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                    • wilkinsafW
                      wilkinsaf ModalAI Team
                      last edited by

                      We are facing a similar issue. Is it correct to say there is not one singular service on VOXL that will automatically stream all cameras to QGC?

                      We have to write our own script for it correct?

                      Daniel RyuD 1 Reply Last reply Reply Quote 0
                      • Daniel RyuD
                        Daniel Ryu @wilkinsaf
                        last edited by

                        @wilkinsaf Way we handled it was creating our own services/scripts for streaming to QGC automatically with mavlink-camera-manager. Hope it helps

                        wilkinsafW 1 Reply Last reply Reply Quote 0
                        • wilkinsafW
                          wilkinsaf ModalAI Team @Daniel Ryu
                          last edited by

                          @Daniel-Ryu

                          I figured. We just wanted to double check that this was the case. Thank you!

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