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    树莓派4b 5.15.92，vm_mipi_imx296安装v4l2驱动，无法采集图像

    Scheduled Pinned Locked Moved Raspberry Pi App Software
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    • H Offline
      hujun @veye_xumm
      last edited by

      @veye_xumm [0_1676863581519_fz3-16768635810120](正在上传 0%) 2023-02-20-112546_889x596_scrot.png 2023-02-20-112740_850x583_scrot.png 2023-02-20-112853_896x594_scrot.png 2023-02-20-113024_874x598_scrot.png 2023-02-20-113146_1671x638_scrot.png
      步骤如上所示，也用鼠标拖到了，结果还是没有。

      veye_xummV 1 Reply Last reply Reply Quote 0
      • veye_xummV Offline
        veye_xumm @hujun
        last edited by

        @hujun
        c614c674-1f8b-46d2-89c3-fc7541ef5973-image.png
        看你截图的这个小于号，应该是已经接收到一张了。
        只是你的命令要接收5张，所以还在等待继续触发。

        Questions will be answered as soon as possible, please be patient.
        如果你使用中文，请直接用中文提问。
        May the force be with YOU. (This is the translation of the mysterious Chinese symbol above.)

        H 1 Reply Last reply Reply Quote 0
        • H Offline
          hujun @veye_xumm
          last edited by

          @veye_xumm 2023-02-20-114803_1721x536_scrot.png
          现在执行了5次，显示如上，但屏幕还是没有显示图片

          veye_xummV 1 Reply Last reply Reply Quote 0
          • veye_xummV Offline
            veye_xumm @hujun
            last edited by

            @hujun

            @hujun said in 树莓派4b 5.15.92，vm_mipi_imx296安装v4l2驱动，无法采集图像:

            显示如上，但屏幕还是没有显示图片

            你理解错了，这个命令是抓取图片保存到文件中，不是显示到屏幕上的。

            Questions will be answered as soon as possible, please be patient.
            如果你使用中文，请直接用中文提问。
            May the force be with YOU. (This is the translation of the mysterious Chinese symbol above.)

            H 1 Reply Last reply Reply Quote 0
            • H Offline
              hujun @veye_xumm
              last edited by

              @veye_xumm 好的，非常感谢您的帮助。QQ截图20230220173440.png
              另外我想询问，mv系列的相机，可否使用GitHub中上面这个v4l2文件夹中Python的demo，我在其它贴子上说，不支持。如果可以，有相关手册吗？

              veye_xummV 1 Reply Last reply Reply Quote 0
              • veye_xummV Offline
                veye_xumm @hujun
                last edited by

                @hujun MV系列的不行。因为MV系列输出的是raw数据，不能直接显示到屏幕上去。
                不过MV系列支持一种纯粹为了调试用的格式，就是UYVY数据格式。
                你可以参考一下我们在jetson平台写的gstreamer命令行试试：
                http://wiki.veye.cc/index.php/Mv_series_camera_appnotes_4_jetson/zh#.E5.AE.9E.E6.97.B6.E9.A2.84.E8.A7.88
                但是话还得说回来，mv系列的东西做实时预览，并没有实际用途吧？

                Questions will be answered as soon as possible, please be patient.
                如果你使用中文，请直接用中文提问。
                May the force be with YOU. (This is the translation of the mysterious Chinese symbol above.)

                H 1 Reply Last reply Reply Quote 0
                • H Offline
                  hujun @veye_xumm
                  last edited by

                  @veye_xumm 是的，我们并不是想实现实时预览。我们想通过qt控制MV相机，实现采集图片。最后由qt实现一系列的图像处理，点云生成的操作。目前问题是，无法在qt中调用，因为所用的都是命令行。

                  veye_xummV 1 Reply Last reply Reply Quote 0
                  • veye_xummV Offline
                    veye_xumm @hujun
                    last edited by

                    @hujun qt直接参考我们c语言的demo，打开/dev/video0获取数据即可。

                    Questions will be answered as soon as possible, please be patient.
                    如果你使用中文，请直接用中文提问。
                    May the force be with YOU. (This is the translation of the mysterious Chinese symbol above.)

                    H 1 Reply Last reply Reply Quote 0
                    • H Offline
                      hujun @veye_xumm
                      last edited by

                      @veye_xumm 请问在链接能提供一下吗？

                      veye_xummV 1 Reply Last reply Reply Quote 0
                      • veye_xummV Offline
                        veye_xumm @hujun
                        last edited by

                        @hujun http://wiki.veye.cc/index.php/Mv_series_camera_appnotes_4_rpi/zh
                        part6.5.2

                        Questions will be answered as soon as possible, please be patient.
                        如果你使用中文，请直接用中文提问。
                        May the force be with YOU. (This is the translation of the mysterious Chinese symbol above.)

                        H 1 Reply Last reply Reply Quote 0
                        • H Offline
                          hujun @veye_xumm
                          last edited by

                          @veye_xumm 这篇文档我看了很久，您指的c语音demo是yavta文件夹中的c程序吗？

                          veye_xummV 1 Reply Last reply Reply Quote 0
                          • veye_xummV Offline
                            veye_xumm @hujun
                            last edited by

                            @hujun 是的

                            Questions will be answered as soon as possible, please be patient.
                            如果你使用中文，请直接用中文提问。
                            May the force be with YOU. (This is the translation of the mysterious Chinese symbol above.)

                            1 Reply Last reply Reply Quote 0

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