++ cat /sys/firmware/devicetree/base/model ++ tr -d '\0' + echo BQ-H616 BQ-H616 + uname -a Linux vzbot 5.16.17-sun50iw9 #2.3.2 SMP Fri Mar 3 17:05:59 HKT 2023 aarch64 GNU/Linux + v4l2-ctl --list-devices v4l2-ctl | C922 Pro Stream Webcam (usb-5101000.usb-1): v4l2-ctl | /dev/video0 v4l2-ctl | /dev/video1 v4l2-ctl | /dev/media0 v4l2-ctl | + libcamera-hello --list-cameras ./dump_cameras.sh: line 17: libcamera-hello: command not found ==================================== DEVICE: /dev/video0 ==================================== + v4l2-ctl -d /dev/video0 --info --list-formats-ext --list-fields --list-formats-out --list-fields-out --list-ctrls /dev/video0 | Driver Info: /dev/video0 | Driver name : uvcvideo /dev/video0 | Card type : C922 Pro Stream Webcam /dev/video0 | Bus info : usb-5101000.usb-1 /dev/video0 | Driver version : 5.16.17 /dev/video0 | Capabilities : 0x84a00001 /dev/video0 | Video Capture /dev/video0 | Metadata Capture /dev/video0 | Streaming /dev/video0 | Extended Pix Format /dev/video0 | Device Capabilities /dev/video0 | Device Caps : 0x04200001 /dev/video0 | Video Capture /dev/video0 | Streaming /dev/video0 | Extended Pix Format /dev/video0 | Media Driver Info: /dev/video0 | Driver name : uvcvideo /dev/video0 | Model : C922 Pro Stream Webcam /dev/video0 | Serial : 5A3A22DF /dev/video0 | Bus info : usb-5101000.usb-1 /dev/video0 | Media version : 5.16.17 /dev/video0 | Hardware revision: 0x00000016 (22) /dev/video0 | Driver version : 5.16.17 /dev/video0 | Interface Info: /dev/video0 | ID : 0x03000002 /dev/video0 | Type : V4L Video /dev/video0 | Entity Info: /dev/video0 | ID : 0x00000001 (1) /dev/video0 | Name : C922 Pro Stream Webcam /dev/video0 | Function : V4L2 I/O /dev/video0 | Flags : default /dev/video0 | Pad 0x01000007 : 0: Sink /dev/video0 | Link 0x0200001f: from remote pad 0x100000a of entity 'Processing 3': Data, Enabled, Immutable /dev/video0 | /dev/video0 | User Controls /dev/video0 | /dev/video0 | brightness 0x00980900 (int) : min=0 max=255 step=1 default=128 value=128 /dev/video0 | contrast 0x00980901 (int) : min=0 max=255 step=1 default=128 value=128 /dev/video0 | saturation 0x00980902 (int) : min=0 max=255 step=1 default=128 value=128 /dev/video0 | white_balance_automatic 0x0098090c (bool) : default=1 value=1 /dev/video0 | gain 0x00980913 (int) : min=0 max=255 step=1 default=0 value=0 /dev/video0 | power_line_frequency 0x00980918 (menu) : min=0 max=2 default=2 value=2 /dev/video0 | white_balance_temperature 0x0098091a (int) : min=2000 max=6500 step=1 default=4000 value=4000 flags=inactive /dev/video0 | sharpness 0x0098091b (int) : min=0 max=255 step=1 default=128 value=128 /dev/video0 | backlight_compensation 0x0098091c (int) : min=0 max=1 step=1 default=0 value=0 /dev/video0 | /dev/video0 | Camera Controls /dev/video0 | /dev/video0 | auto_exposure 0x009a0901 (menu) : min=0 max=3 default=3 value=3 /dev/video0 | exposure_time_absolute 0x009a0902 (int) : min=3 max=2047 step=1 default=250 value=250 flags=inactive /dev/video0 | exposure_dynamic_framerate 0x009a0903 (bool) : default=0 value=1 /dev/video0 | pan_absolute 0x009a0908 (int) : min=-36000 max=36000 step=3600 default=0 value=0 /dev/video0 | tilt_absolute 0x009a0909 (int) : min=-36000 max=36000 step=3600 default=0 value=0 /dev/video0 | focus_absolute 0x009a090a (int) : min=0 max=250 step=5 default=0 value=0 flags=inactive /dev/video0 | focus_automatic_continuous 0x009a090c (bool) : default=1 value=1 /dev/video0 | zoom_absolute 0x009a090d (int) : min=100 max=500 step=1 default=100 value=100 /dev/video0 | ioctl: VIDIOC_ENUM_FMT /dev/video0 | Type: Video Capture /dev/video0 | /dev/video0 | [0]: 'YUYV' (YUYV 4:2:2) /dev/video0 | Size: Discrete 640x480 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 160x90 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 160x120 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 176x144 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 320x180 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 320x240 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 352x288 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 432x240 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 640x360 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 800x448 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 800x600 /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 864x480 /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 960x720 /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1024x576 /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1280x720 /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1600x896 /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1920x1080 /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 2304x1296 /dev/video0 | Interval: Discrete 0.500s (2.000 fps) /dev/video0 | Size: Discrete 2304x1536 /dev/video0 | Interval: Discrete 0.500s (2.000 fps) /dev/video0 | [1]: 'MJPG' (Motion-JPEG, compressed) /dev/video0 | Size: Discrete 640x480 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 160x90 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 160x120 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 176x144 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 320x180 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 320x240 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 352x288 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 432x240 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 640x360 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 800x448 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 800x600 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 864x480 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 960x720 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1024x576 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1280x720 /dev/video0 | Interval: Discrete 0.017s (60.000 fps) /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1600x896 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Size: Discrete 1920x1080 /dev/video0 | Interval: Discrete 0.033s (30.000 fps) /dev/video0 | Interval: Discrete 0.042s (24.000 fps) /dev/video0 | Interval: Discrete 0.050s (20.000 fps) /dev/video0 | Interval: Discrete 0.067s (15.000 fps) /dev/video0 | Interval: Discrete 0.100s (10.000 fps) /dev/video0 | Interval: Discrete 0.133s (7.500 fps) /dev/video0 | Interval: Discrete 0.200s (5.000 fps) /dev/video0 | Supported Video Fields: /dev/video0 | None /dev/video0 | ioctl: VIDIOC_ENUM_FMT /dev/video0 | Type: Video Output /dev/video0 | ==================================== DEVICE: /dev/video1 ==================================== + v4l2-ctl -d /dev/video1 --info --list-formats-ext --list-fields --list-formats-out --list-fields-out --list-ctrls /dev/video1 | Driver Info: /dev/video1 | Driver name : uvcvideo /dev/video1 | Card type : C922 Pro Stream Webcam /dev/video1 | Bus info : usb-5101000.usb-1 /dev/video1 | Driver version : 5.16.17 /dev/video1 | Capabilities : 0x84a00001 /dev/video1 | Video Capture /dev/video1 | Metadata Capture /dev/video1 | Streaming /dev/video1 | Extended Pix Format /dev/video1 | Device Capabilities /dev/video1 | Device Caps : 0x04a00000 /dev/video1 | Metadata Capture /dev/video1 | Streaming /dev/video1 | Extended Pix Format /dev/video1 | Media Driver Info: /dev/video1 | Driver name : uvcvideo /dev/video1 | Model : C922 Pro Stream Webcam /dev/video1 | Serial : 5A3A22DF /dev/video1 | Bus info : usb-5101000.usb-1 /dev/video1 | Media version : 5.16.17 /dev/video1 | Hardware revision: 0x00000016 (22) /dev/video1 | Driver version : 5.16.17 /dev/video1 | Interface Info: /dev/video1 | ID : 0x03000005 /dev/video1 | Type : V4L Video /dev/video1 | Entity Info: /dev/video1 | ID : 0x00000004 (4) /dev/video1 | Name : C922 Pro Stream Webcam /dev/video1 | Function : V4L2 I/O /dev/video1 | ioctl: VIDIOC_ENUM_FMT /dev/video1 | Type: Video Capture /dev/video1 | /dev/video1 | ioctl: VIDIOC_ENUM_FMT /dev/video1 | Type: Video Output /dev/video1 |