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ModalAI Forum

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  3. m500 accessing camera and image stream data

m500 accessing camera and image stream data

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  • yu zhangY Offline
    yu zhangY Offline
    yu zhang
    wrote on last edited by
    #1

    Hi team,
    I am wondering how to open video view in QGC or there is another app for image viewing? I tried to hit the recording button in QGC, but I got this error:
    Screen Shot 2022-01-19 at 1.12.26 AM.png

    1. I am not sure if this button could switch between the map view and video view in QGC, or I should run another app like Image View GUI? If I plug a sdcard, all of the image data will be stored atomically by the sdcard path? Or I could config a specific file path for storing?

    2. I would access image stream data for development purposes, should I use any APIs to achieve this? And I check that the voxl-camera-server lists all 3 types of cameras' default settings. Should I change the settings if I would change the stereo to 90fps for example? Also, could I access all 3 cameras' data simultaneously? Please advise any related development documents for further instructions. Thanks.

    Eric KatzfeyE 1 Reply Last reply
    0
    • yu zhangY yu zhang

      Hi team,
      I am wondering how to open video view in QGC or there is another app for image viewing? I tried to hit the recording button in QGC, but I got this error:
      Screen Shot 2022-01-19 at 1.12.26 AM.png

      1. I am not sure if this button could switch between the map view and video view in QGC, or I should run another app like Image View GUI? If I plug a sdcard, all of the image data will be stored atomically by the sdcard path? Or I could config a specific file path for storing?

      2. I would access image stream data for development purposes, should I use any APIs to achieve this? And I check that the voxl-camera-server lists all 3 types of cameras' default settings. Should I change the settings if I would change the stereo to 90fps for example? Also, could I access all 3 cameras' data simultaneously? Please advise any related development documents for further instructions. Thanks.

      Eric KatzfeyE Offline
      Eric KatzfeyE Offline
      Eric Katzfey
      ModalAI Team
      wrote on last edited by
      #2

      @yu-zhang Our recommended method for streaming video is via our voxl-streamer application. The documentation is here: https://docs.modalai.com/voxl-streamer/

      yu zhangY 1 Reply Last reply
      0
      • Eric KatzfeyE Eric Katzfey

        @yu-zhang Our recommended method for streaming video is via our voxl-streamer application. The documentation is here: https://docs.modalai.com/voxl-streamer/

        yu zhangY Offline
        yu zhangY Offline
        yu zhang
        wrote on last edited by
        #3

        Hi @Eric-Katzfey ,
        Thanks, and will the image view of the voxl-streamer look like the below Image Viewer GUI?

        Screen Shot 2022-01-19 at 9.23.21 AM.png

        I am also wondering how to show the resource monitoring via a command line like the left side of the screenshot?

        Eric KatzfeyE 1 Reply Last reply
        0
        • tomT Online
          tomT Online
          tom
          admin
          wrote on last edited by
          #4

          @yu-zhang The user is ssh'ed into the drone and using: voxl-inspect-cpu

          yu zhangY 1 Reply Last reply
          0
          • yu zhangY yu zhang

            Hi @Eric-Katzfey ,
            Thanks, and will the image view of the voxl-streamer look like the below Image Viewer GUI?

            Screen Shot 2022-01-19 at 9.23.21 AM.png

            I am also wondering how to show the resource monitoring via a command line like the left side of the screenshot?

            Eric KatzfeyE Offline
            Eric KatzfeyE Offline
            Eric Katzfey
            ModalAI Team
            wrote on last edited by
            #5

            @yu-zhang I'm not sure I understand your first question. voxl-streamer streams the image to a viewer. It isn't a viewer. The viewer is something like QGroundControl or VLC.

            yu zhangY 1 Reply Last reply
            0
            • tomT tom

              @yu-zhang The user is ssh'ed into the drone and using: voxl-inspect-cpu

              yu zhangY Offline
              yu zhangY Offline
              yu zhang
              wrote on last edited by
              #6

              @tom Thanks!

              1 Reply Last reply
              0
              • Eric KatzfeyE Eric Katzfey

                @yu-zhang I'm not sure I understand your first question. voxl-streamer streams the image to a viewer. It isn't a viewer. The viewer is something like QGroundControl or VLC.

                yu zhangY Offline
                yu zhangY Offline
                yu zhang
                wrote on last edited by
                #7

                @Eric-Katzfey I see, so what if I would have a viewer to show the stream data in real-time, how should I config it in QGC?

                If I would access the stream data remotely on PC, I could get data via voxl-streamer, right?

                What if I would access the data onboard? For example, if I would develop a native VO application, should I still use voxl-streamer or other APIs?

                Eric KatzfeyE 1 Reply Last reply
                0
                • yu zhangY yu zhang

                  @Eric-Katzfey I see, so what if I would have a viewer to show the stream data in real-time, how should I config it in QGC?

                  If I would access the stream data remotely on PC, I could get data via voxl-streamer, right?

                  What if I would access the data onboard? For example, if I would develop a native VO application, should I still use voxl-streamer or other APIs?

                  Eric KatzfeyE Offline
                  Eric KatzfeyE Offline
                  Eric Katzfey
                  ModalAI Team
                  wrote on last edited by
                  #8

                  @yu-zhang Please read through the documentation at https://docs.modalai.com/voxl-streamer/. This gives an overview on how the whole process is supposed to work.

                  yu zhangY 1 Reply Last reply
                  0
                  • Eric KatzfeyE Eric Katzfey

                    @yu-zhang Please read through the documentation at https://docs.modalai.com/voxl-streamer/. This gives an overview on how the whole process is supposed to work.

                    yu zhangY Offline
                    yu zhangY Offline
                    yu zhang
                    wrote on last edited by
                    #9

                    @Eric-Katzfey Thanks, all right I will have a look at it then.

                    1 Reply Last reply
                    0

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