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    Gimbal camera streaming not starting

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    • tomT
      tom admin
      last edited by

      @Daniel-Ryu I believe ffmpeg was removed from voxl-suite a while back. It can be built and installed by following the instructions here: https://gitlab.com/voxl-public/other/voxl-ffmpeg

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

        @tom Could the voxl gimbal user guide be updated with that information? It would help a lot of users like myself. https://docs.modalai.com/voxl-m500-gimbal-user-guide/#streaming-to-qgroundcontrol

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        • tomT
          tom admin
          last edited by

          @Daniel-Ryu Yes absolutely, thank you for the feedback.

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

            When trying to run "voxl-docker -i voxl-emulator" as part of setting up voxl-ffmpeg, I get this error below:

            Error while pulling image: Get https://index.docker.io/v1/repositories/library/voxl-emulator/images: x509: certificate has expired or is not yet valid

            How do I fix this?

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            • tomT
              tom admin
              last edited by

              @Daniel-Ryu Have you downloaded and loaded the voxl-emulator image from https://developer.modalai.com/asset/download/75 ?

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

                @tom Sorry, to clarify: I want to be able to run ffmpeg and stream from the gimbal from my m500, not from a voxl-emulator. Am I misunderstanding and instead must install the voxl-emulator to run ffmpeg?

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                • tomT
                  tom admin
                  last edited by

                  @Daniel-Ryu voxl-emulator can be used to build packages for VOXL on your Linux PC. You can read about it here: https://docs.modalai.com/install-voxl-docker/

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

                    @tom That was it, thank you. I have just one suggestion: please include in the voxl-ffmpeg instructions to run ./install_on_voxl.sh at the end to deploy the ipk

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                    • Daniel RyuD
                      Daniel Ryu
                      last edited by

                      Screenshot from 2021-07-06 15-55-10.png

                      ffmpegs is working but I am still unable to stream to QGC. I'm using the same ip of QGC that is in voxl-vision-px4.conf that allows the drone to even connect to QGC in the first place. Here are all my settings.

                      Screenshot from 2021-07-06 15-57-24.png

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

                        @Daniel-Ryu Are you able to see the video in another viewer, like VLC?

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

                          @Eric-Katzfey Yes, I can get the video to stream following the instructions here https://docs.modalai.com/uvc-streaming/

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

                            Also, could https://docs.modalai.com/voxl-m500-gimbal-user-guide/#streaming-to-qgroundcontrol this guide have a link to this guide here https://docs.modalai.com/uvc-streaming? I came across the second one quite by accident, despite them accomplishing similar purposes

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                            • Daniel RyuD
                              Daniel Ryu
                              last edited by

                              One more question: there's a config file referred to in this guide which is supposed to demonstrate how the gimbal can be controlled from the RC. Which one is it? https://docs.modalai.com/voxl-m500-gimbal-user-guide/#streaming-to-qgroundcontrol

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                              • modaltbM
                                modaltb ModalAI Team
                                last edited by

                                Here's a video that can help: https://youtu.be/eYr8nyFid0E?t=26

                                PX4 params here: https://gitlab.com/voxl-public/flight-core-px4/px4-parameters/-/blob/master/helpers/gimbal_dx8_config.params

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                                • Daniel RyuD
                                  Daniel Ryu
                                  last edited by

                                  My DX8 looks and behaves differently from the one in the video. Is there a way to confirm that the knob and the switch right next to it are indeed channels 8 and 7, respectively?

                                  Image from iOS.jpg

                                  1 Reply Last reply Reply Quote 0
                                  • modaltbM
                                    modaltb ModalAI Team
                                    last edited by

                                    You can get a good feel from the radio configuration setup in QGC, where you can see the channel assignments -> roughly here https://docs.modalai.com/configure-rc-radio/

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                                    • Daniel RyuD
                                      Daniel Ryu
                                      last edited by

                                      I'm still having trouble working out the controller and the gimbal. Here's a video of what I did. The channel monitor acknowledges one switch as channel 6 (which I set to RC_MAP_AUX1) but doesn't seem to respond to the dial. https://we.tl/t-HWHzLeJ46h

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                                      • Daniel RyuD
                                        Daniel Ryu
                                        last edited by

                                        Solution: sometimes when just binding the RC controller, the inputs aren't shown. Make sure to restart drone after rebinding. Additionally, I've found different controllers have different lever/switch inputs, so its good to use QGC to look for the responsive switches and assign the ones you want accordingly

                                        1 Reply Last reply Reply Quote 1
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