最終更新:2021-11-12 (金) 08:32:23 (889d)  

Pengo 4K Grabber
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v4l2-ctl

↑

v4l2-ctl --all 

  • v4l2-ctl -d /dev/video2 --all
Driver Info:
	Driver name      : uvcvideo
	Card type        : Pengo 4K Grabber: Pengo 4K Grab
	Bus info         : usb-0000:00:14.0-1
	Driver version   : 5.11.22
	Capabilities     : 0x84a00001
		Video Capture
		Metadata Capture
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps      : 0x04200001
		Video Capture
		Streaming
		Extended Pix Format
Priority: 2
Video input : 0 (Camera 1: ok)
Format Video Capture:
	Width/Height      : 3840/2160
	Pixel Format      : 'NV12' (Y/CbCr 4:2:0)
	Field             : None
	Bytes per Line    : 3840
	Size Image        : 12441600
	Colorspace        : sRGB
	Transfer Function : Rec. 709
	YCbCr/HSV Encoding: Rec. 709
	Quantization      : Default (maps to Limited Range)
	Flags             : 
Crop Capability Video Capture:
	Bounds      : Left 0, Top 0, Width 3840, Height 2160
	Default     : Left 0, Top 0, Width 3840, Height 2160
	Pixel Aspect: 1/1
Selection Video Capture: crop_default, Left 0, Top 0, Width 3840, Height 2160, Flags: 
Selection Video Capture: crop_bounds, Left 0, Top 0, Width 3840, Height 2160, Flags: 
Streaming Parameters Video Capture:
	Capabilities     : timeperframe
	Frames per second: 30.000 (30/1)
	Read buffers     : 0
↑

v4l2-ctl --list-formats 

  • 4l2-ctl -d /dev/video2  --list-formats
ioctl: VIDIOC_ENUM_FMT
	Type: Video Capture

	[0]: 'NV12' (Y/CbCr 4:2:0)
	[1]: 'YUYV' (YUYV 4:2:2)
↑

v4l2-ctl --list-formats-ext 

  • v4l2-ctl -d /dev/video2  --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
	Type: Video Capture

	[0]: 'NV12' (Y/CbCr 4:2:0)
		Size: Discrete 1920x1080
			Interval: Discrete 0.008s (120.000 fps)
			Interval: Discrete 0.017s (60.000 fps)
			Interval: Discrete 0.020s (50.000 fps)
			Interval: Discrete 0.033s (30.000 fps)
			Interval: Discrete 0.040s (25.000 fps)
		Size: Discrete 2560x1440
			Interval: Discrete 0.017s (60.000 fps)
		Size: Discrete 3840x2160
			Interval: Discrete 0.033s (30.000 fps)
		Size: Discrete 1280x720
			Interval: Discrete 0.017s (60.000 fps)
		Size: Discrete 720x480
			Interval: Discrete 0.017s (60.000 fps)
		Size: Discrete 720x576
			Interval: Discrete 0.020s (50.000 fps)
		Size: Discrete 640x480
			Interval: Discrete 0.017s (60.000 fps)
	[1]: 'YUYV' (YUYV 4:2:2)
		Size: Discrete 2560x1440
			Interval: Discrete 0.020s (50.000 fps)
		Size: Discrete 1920x1080
			Interval: Discrete 0.017s (60.000 fps)
			Interval: Discrete 0.020s (50.000 fps)
			Interval: Discrete 0.033s (30.000 fps)
			Interval: Discrete 0.040s (25.000 fps)
		Size: Discrete 1280x720
			Interval: Discrete 0.017s (60.000 fps)
		Size: Discrete 720x480
			Interval: Discrete 0.017s (60.000 fps)
		Size: Discrete 720x576
			Interval: Discrete 0.020s (50.000 fps)
		Size: Discrete 640x480
			Interval: Discrete 0.017s (60.000 fps)



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