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    voxl-streamer client repetitive connect/disconnect

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

                                          @Eric-Katzfey

                                          Good suggestion. Let me try that.
                                          Check out the length when uvc server fires up

                                          Got frame callback! frame_format = 3, width = 640, height = 480, length = 613376, ptr = 0
                                          

                                          interesting

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

                                            @wilkinsaf You can try modifying this line in voxl-uvc-server: https://gitlab.com/voxl-public/modal-pipe-architecture/voxl-uvc-server/-/blob/dev/src/main.c#L83

                                            Make it read: .size_bytes = 614400, \

                                            Then rebuild it and try again.

                                            wilkinsafW 1 Reply Last reply Reply Quote 0
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