v4l2-ctl error message
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Hi,
請問在 linux 下使用 v4l2-ctl 讀取模組資訊時,發生以下錯誤,該如何修正?$ sudo v4l2-ctl -d /dev/video1 --all
Driver Info (not using libv4l2):
Driver name : uvcvideo
Card type : CS-USB-IMX307
Bus info : usb-70090000.xusb-2.1
Driver version: 4.9.201
Capabilities : 0x84200001
Video 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 : 640/360
Pixel Format : 'YUYV'
Field : None
Bytes per Line : 1280
Size Image : 460800
Colorspace : Default
Transfer Function : Default (maps to Rec. 709)
YCbCr/HSV Encoding: Default (maps to ITU-R 601)
Quantization : Default (maps to Limited Range)
Flags :
Crop Capability Video Capture:
Bounds : Left 0, Top 0, Width 640, Height 360
Default : Left 0, Top 0, Width 640, Height 360
Pixel Aspect: 1/1
Selection: crop_default, Left 0, Top 0, Width 640, Height 360
Selection: crop_bounds, Left 0, Top 0, Width 640, Height 360
Streaming Parameters Video Capture:
Capabilities : timeperframe
Frames per second: 30.000 (30/1)
Read buffers : 0
brightness 0x00980900 (int) : min=0 max=100 step=1 default=50 value=50
contrast 0x00980901 (int) : min=0 max=100 step=1 default=50 value=50
saturation 0x00980902 (int) : min=0 max=100 step=1 default=50 value=50
hue 0x00980903 (int) : min=0 max=100 step=1 default=50 value=50
%(#ff0000)[error 5 getting ctrl White Balance Temperature, Auto] -
@coolmitch
你好,不好意思,现在我们的USB型号对标注UVC的参数支持的不完善。 -
@veye_xumm 我發現有在日光燈底下會發生橫紋的問題,應該是交流電頻率 50hz/60hz 造成的影像。若 uvc 參數支持度不完善,請問我有辦法設定 power_line_frequency 為 60hz 嗎?
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@veye_xumm 請問這個是設定一次就好,還是每次開機後都要設定?有沒有 linux 的指令?
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@coolmitch
每次都要设定一下。 对应的linux下指令,暂时还提供不了给你。
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