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    voxl-streamer client repetitive connect/disconnect

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    • Eric KatzfeyE
      Eric Katzfey ModalAI Team @wilkinsaf
      last edited by

      @wilkinsaf There is a new version of libuvc available at http://voxl-packages.modalai.com/dev/libuvc_1.0.2_202112182223.ipk with the changes. If you rebuild the dev branch of voxl-uvc-server and install build deps from dev you should pick up the new libuvc. Then you can rebuild and test with your camera.

      wilkinsafW 2 Replies Last reply Reply Quote 1
      • wilkinsafW
        wilkinsaf ModalAI Team @Eric Katzfey
        last edited by

        @Eric-Katzfey roger that. thank you for your support here Eric

        1 Reply Last reply Reply Quote 0
        • wilkinsafW
          wilkinsaf ModalAI Team @Eric Katzfey
          last edited by

          @Eric-Katzfey will post results after run

          1 Reply Last reply Reply Quote 0
          • wilkinsafW
            wilkinsaf ModalAI Team @Eric Katzfey
            last edited by

            @Eric-Katzfey Sorry for being such a pain, but it seems like this repo keeps moving.

            I went to https://gitlab.com/voxl-public/modal-pipe-architecture/voxl-uvc-server

            but got this

            533db1c7-724e-4732-bf4a-7659d9acf39d-image.png

            I keep searching around for the repo, but can not find it

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

              @wilkinsaf Sorry, it was setup as private. I changed it to public. Can you try again?

              wilkinsafW 2 Replies Last reply Reply Quote 0
              • wilkinsafW
                wilkinsaf ModalAI Team @Eric Katzfey
                last edited by

                @Eric-Katzfey Got it, thank you!

                Will download and play with

                1 Reply Last reply Reply Quote 0
                • wilkinsafW
                  wilkinsaf ModalAI Team @Eric Katzfey
                  last edited by

                  @Eric-Katzfey Will it remain public?

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

                    @wilkinsaf Yes, it will remain public. Did you get a chance to see if the changes worked?

                    wilkinsafW 2 Replies Last reply Reply Quote 0
                    • wilkinsafW
                      wilkinsaf ModalAI Team @Eric Katzfey
                      last edited by

                      @Eric-Katzfey Testing out today

                      1 Reply Last reply Reply Quote 0
                      • wilkinsafW
                        wilkinsaf ModalAI Team @Eric Katzfey
                        last edited by

                        @Eric-Katzfey

                        We seem to be having trouble finding the camera now which is weird. I wonder if we need to specifically download and install the drivers?

                        2f9579c4-88ea-4693-b7a8-e67415540bad-image.png

                        Eric KatzfeyE 2 Replies Last reply Reply Quote 0
                        • Eric KatzfeyE
                          Eric Katzfey ModalAI Team @wilkinsaf
                          last edited by

                          @wilkinsaf No, you shouldn't need any drivers. Any USB device should be listed with lsusb, even without any specific drivers. Does it show up when plugged into a regular Linux computer?

                          wilkinsafW 1 Reply Last reply Reply Quote 0
                          • wilkinsafW
                            wilkinsaf ModalAI Team @Eric Katzfey
                            last edited by

                            @Eric-Katzfey Yes, we have hardwired it into a computer before. We have seen the stream using ffmpeg on VOXL as well. We just can not seem to get voxl-streamer to work with it

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

                              @wilkinsaf If you unplug the camera from Voxl does anything disappear from the lsusb list?

                              wilkinsafW 1 Reply Last reply Reply Quote 0
                              • wilkinsafW
                                wilkinsaf ModalAI Team @Eric Katzfey
                                last edited by wilkinsaf

                                @Eric-Katzfey

                                Yes, the top 3 entries in lsusb screenshots above are all cameras. I can unplug those one by one and see them disappear.
                                Would it matter if we have 2 UVC cameras?

                                Eric KatzfeyE 2 Replies Last reply Reply Quote 0
                                • Eric KatzfeyE
                                  Eric Katzfey ModalAI Team @wilkinsaf
                                  last edited by

                                  @wilkinsaf Just try one at a time for now. And when you plug the camera in do you see a new /dev/videoX entry appear?

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

                                    @wilkinsaf Also, were you able to get the ordering information for these cameras? If they aren't too expensive I would like to order at least one of them to test against.

                                    wilkinsafW 3 Replies Last reply Reply Quote 0
                                    • wilkinsafW
                                      wilkinsaf ModalAI Team @Eric Katzfey
                                      last edited by

                                      @Eric-Katzfey

                                      Yes, let me try one at a time now.
                                      Here are the two cameras

                                      4de39b51-2708-4707-a1fe-d67161270aa3-image.png ![0_1640728100493_PXL_20211228_214717072.jpg](Uploading 100%)

                                      1. Banggood URL

                                      2. Blue Robotics URL

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

                                        @Eric-Katzfey

                                        Good news, I was able to get voxl-uvc-server to spin up with one usb camera connected.
                                        21d09d1b-d888-45a2-a663-51af22ab926b-image.png

                                        However, I am getting this issue from voxl-streamer
                                        cc766c80-29ad-4160-8191-964e40998ea5-image.png

                                        Seems like I need to figure out the frame size and set the correct one. Let me play around with that now

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

                                          @Eric-Katzfey Doesn't look to be frame size as the "sizes" seem non-deterministic
                                          f7371975-b223-4f6e-a9f0-3e2b3e744c26-image.png

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

                                            @wilkinsaf Great, that's some progress! What about if you try the other camera? Not sure why the frame length is different. For a given resolution and frame format that number should be a constant. (e.g. 640 x 480 x 2).

                                            wilkinsafW 1 Reply Last reply Reply Quote 0
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