---

v4l2-ctl --device=/dev/video61 --all
Driver Info:
        Driver name      : v4l2 loopback
        Card type        : AI_360p_Stream
        Bus info         : platform:v4l2loopback-061
        Driver version   : 6.18.2
        Capabilities     : 0x85200002
                Video Output
                Read/Write
                Streaming
                Extended Pix Format
                Device Capabilities
        Device Caps      : 0x05200002
                Video Output
                Read/Write
                Streaming
                Extended Pix Format
Priority: 2
Video output: 0 (loopback in)
Format Video Output:
        Width/Height      : 640/480
        Pixel Format      : 'BGR4' (32-bit BGRA/X 8-8-8-8)
        Field             : None
        Bytes per Line    : 2560
        Size Image        : 1228800
        Colorspace        : sRGB
        Transfer Function : Default (maps to sRGB)
        YCbCr/HSV Encoding: Default (maps to ITU-R 601)
        Quantization      : Default (maps to Full Range)
        Flags             : 
Streaming Parameters Video Output:
        Capabilities     : timeperframe
        Frames per second: 30.000 (30/1)
        Write buffers    : 2

User Controls

                    keep_format 0x0098f900 (bool)   : default=0 value=0 flags=0x00001000
              sustain_framerate 0x0098f901 (bool)   : default=0 value=0 flags=0x00001000
                        timeout 0x0098f902 (int)    : min=0 max=100000 step=1 default=0 value=0 flags=0x00001000
               timeout_image_io 0x0098f903 (button) : value=0 flags=write-only, execute-on-write
root@imx95-15x15-lpddr4x-frdm:~# v4l2-ctl --device=/dev/video62 --all                                                                                  
Driver Info:
        Driver name      : v4l2 loopback
        Card type        : DVR_1080p_Stream
        Bus info         : platform:v4l2loopback-062
        Driver version   : 6.18.2
        Capabilities     : 0x85200002
                Video Output
                Read/Write
                Streaming
                Extended Pix Format
                Device Capabilities
        Device Caps      : 0x05200002
                Video Output
                Read/Write
                Streaming
                Extended Pix Format
Priority: 2
Video output: 0 (loopback in)
Format Video Output:
        Width/Height      : 640/480
        Pixel Format      : 'BGR4' (32-bit BGRA/X 8-8-8-8)
        Field             : None
        Bytes per Line    : 2560
        Size Image        : 1228800
        Colorspace        : sRGB
        Transfer Function : Default (maps to sRGB)
        YCbCr/HSV Encoding: Default (maps to ITU-R 601)
        Quantization      : Default (maps to Full Range)
        Flags             : 
Streaming Parameters Video Output:
        Capabilities     : timeperframe
        Frames per second: 30.000 (30/1)
        Write buffers    : 2

User Controls

                    keep_format 0x0098f900 (bool)   : default=0 value=0 flags=0x00001000
              sustain_framerate 0x0098f901 (bool)   : default=0 value=0 flags=0x00001000
                        timeout 0x0098f902 (int)    : min=0 max=100000 step=1 default=0 value=0 flags=0x00001000
               timeout_image_io 0x0098f903 (button) : value=0 flags=write-only, execute-on-write