topic Re: How to get camera frames in OpenCV-Python on i.MX8M in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/1357162#M181709 <P><a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/89874">@jpkong</a>&nbsp;how you run your opencv code on nxp?</P> Mon, 18 Oct 2021 10:54:30 GMT SYakubson 2021-10-18T10:54:30Z How to get camera frames in OpenCV-Python on i.MX8M https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/997366#M147944 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">Hi Support,</SPAN></P><SPAN> </SPAN><P></P><SPAN> </SPAN><P><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">We tried using v4l2 installed by pip in OpenCV-Python on i.MX8M.</SPAN><BR style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;" /><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">However, it returns an error below when I give cv2.VideoCapture(0).</SPAN></P><SPAN> </SPAN><P></P><SPAN> </SPAN><P><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">VIDIOC_QUERYCTRL: Inappropriate ioctl for device</SPAN></P><SPAN> </SPAN><P></P><SPAN> </SPAN><P><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">PIP may install a standard version of arm v4l2, and I have heard the v4l2 driver is modified for i.MX platform.</SPAN><BR style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;" /><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">So, there should be some information to do for what I mentioned in the title.</SPAN></P><SPAN> </SPAN><P></P><SPAN> </SPAN><P><SPAN style="color: #1c2933; background-color: rgba(255, 255, 255, 0.5); font-size: 13px;">Could&nbsp;anyone&nbsp;help me?<BR /></SPAN></P></BODY></HTML> Mon, 04 Nov 2019 14:41:34 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/997366#M147944 jpkong 2019-11-04T14:41:34Z Re: How to get camera frames in OpenCV-Python on i.MX8M https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/997367#M147945 <HTML><HEAD></HEAD><BODY><P>Hello Jeonpyo,</P><P></P><P>Please try to run: <CODE>cmake -DWITH_LIBV4L=ON .</CODE> in the build directory or try to check if you video0 is connected <CODE>ls -al /dev/video*</CODE></P><P><CODE></CODE></P><P><CODE>Regards</CODE></P></BODY></HTML> Wed, 06 Nov 2019 15:53:03 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/997367#M147945 Bio_TICFSL 2019-11-06T15:53:03Z Re: How to get camera frames in OpenCV-Python on i.MX8M https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/997368#M147946 <HTML><HEAD></HEAD><BODY><P>Pleaseļ¼Œhave you solved the problem ? I have the same&nbsp;question.</P></BODY></HTML> Fri, 29 Nov 2019 05:50:09 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/997368#M147946 gaobo 2019-11-29T05:50:09Z Re: How to get camera frames in OpenCV-Python on i.MX8M https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/1357162#M181709 <P><a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/89874">@jpkong</a>&nbsp;how you run your opencv code on nxp?</P> Mon, 18 Oct 2021 10:54:30 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-get-camera-frames-in-OpenCV-Python-on-i-MX8M/m-p/1357162#M181709 SYakubson 2021-10-18T10:54:30Z