2016-06-02 12:37:39 -0600 | asked a question | Linux video capture does not work cam3 or Image capture in cam1 fails. Dear All Dunno if it is right forum to ask. I am trying to some solution or run time fix on this Problem: After connecting 3rd camera, Linux video capture does not work cam3 or Image capture in cam1 fails. History: Initially , we developed a system for surveillance. The system comprised of 2 cameras. 1. Video capture (Using Motion) 2. Image capture(Using V4L) dmesg: [ 399.544408] uvcvideo: Found UVC 1.00 device USB2.0 Camera (1871:2097) [ 399.544429] uvcvideo: Forcing device quirks to 0x80 by module parameter for testing purpose. [ 399.544441] uvcvideo: Please report required quirks to the linux-uvc-devel mailing list. [ 399.547449] input: USB2.0 Camera as /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/input/input32 [ 399.668599] uvcvideo: Found UVC 1.00 device USB2.0 Camera (1871:0501) [ 399.668613] uvcvideo: Forcing device quirks to 0x80 by module parameter for testing purpose. [ 399.668618] uvcvideo: Please report required quirks to the linux-uvc-devel mailing list. [ 399.671360] input: USB2.0 Camera as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.4/1-4.4:1.0/input/input33 [ 399.732317] uvcvideo: Found UVC 1.00 device USB2.0 Camera (1871:0f01) [ 399.732328] uvcvideo: Forcing device quirks to 0x80 by module parameter for testing purpose. [ 399.732334] uvcvideo: Please report required quirks to the linux-uvc-devel mailing list. [ 399.735996] input: USB2.0 Camera as /devices/pci0000:00/0000:00:1d.7/usb1/1-8/1-8:1.0/input/input34 Tried getting V4L2_BUF_TYPE_VIDEO_CAPTURE information for the cameera: all connected cameras listed (YUV 4:2:2 (YUYV)) HW Spec: N2600 Aveo technologies camera 3 models with diff VID:PID Need come guidance in fixing this issue. |