LibreELEC:~ # media-ctl -p
Media controller API version 6.19.0

Media device information
------------------------
driver          hantro-vpu
model           hantro-vpu
serial
bus info        platform:fdb50000.video-codec
hw revision     0x0
driver version  6.19.0

Device topology
- entity 1: rockchip,rk3568-vpu-dec-source (1 pad, 1 link)
            type Node subtype V4L flags 0
            device node name /dev/video1
        pad0: SOURCE
                -> "rockchip,rk3568-vpu-dec-proc":0 [ENABLED,IMMUTABLE]

- entity 3: rockchip,rk3568-vpu-dec-proc (2 pads, 2 links)
            type Node subtype Unknown flags 0
        pad0: SINK
                <- "rockchip,rk3568-vpu-dec-source":0 [ENABLED,IMMUTABLE]
        pad1: SOURCE
                -> "rockchip,rk3568-vpu-dec-sink":0 [ENABLED,IMMUTABLE]

- entity 6: rockchip,rk3568-vpu-dec-sink (1 pad, 1 link)
            type Node subtype V4L flags 0
            device node name /dev/video1
        pad0: SINK
                <- "rockchip,rk3568-vpu-dec-proc":1 [ENABLED,IMMUTABLE]


LibreELEC:~ # v4l2-ctl --list-devices
rockchip,rk3568-vpu-dec (platform:fdb50000.video-codec):
        /dev/video1
        /dev/media0

rockchip,rk3588-vepu121-enc (platform:fdba0000.video-codec):
        /dev/video2
        /dev/media1

rockchip,rk3588-av1-vpu-dec (platform:fdc70000.video-codec):
        /dev/video4
        /dev/media3

rockchip-rga (platform:rga):
        /dev/video0

rkvdec (platform:rkvdec):
        /dev/video3
        /dev/media2

LibreELEC:~ # v4l2-ctl --list-formats-out
ioctl: VIDIOC_ENUM_FMT
        Type: Video Output Multiplanar

        [0]: 'BA24' (32-bit ARGB 8-8-8-8)
        [1]: 'AR24' (32-bit BGRA 8-8-8-8)
        [2]: 'XR24' (32-bit BGRX 8-8-8-8)
        [3]: 'RGB3' (24-bit RGB 8-8-8)
        [4]: 'BGR3' (24-bit BGR 8-8-8)
        [5]: 'AR12' (16-bit ARGB 4-4-4-4)
        [6]: 'AR15' (16-bit ARGB 1-5-5-5)
        [7]: 'RGBP' (16-bit RGB 5-6-5)
        [8]: 'NV21' (Y/VU 4:2:0)
        [9]: 'NV61' (Y/VU 4:2:2)
        [10]: 'NV12' (Y/UV 4:2:0)
        [11]: 'NM12' (Y/UV 4:2:0 (N-C))
        [12]: 'NV16' (Y/UV 4:2:2)
        [13]: 'YU12' (Planar YUV 4:2:0)
        [14]: '422P' (Planar YUV 4:2:2)
        [15]: 'YV12' (Planar YVU 4:2:0)