我刚刚在新买的笔记本电脑上安装了 Ubuntu 22.04，遇到了很多问题，包括键盘无法使用、屏幕撕裂、网络摄像头质量不佳。我设法解决了所有问题，除了网络摄像头质量不佳。我找不到任何使用这台笔记本电脑的人遇到同样的问题。
我尝试了所有软件方式来测试/配置摄像头 - cheese、guvcview、webcamoid、webcamtests.com，但没有变化，距离任何合理的质量仍然相去甚远。
我应该说一下，它在 Windows 11 中运行得很好（但是麦克风太安静了，我仍然无法使用会议软件。
v4l2-ctl --列表设备
Integrated Camera: Integrated C (usb-0000:00:14.0-1):
/dev/video0
/dev/video1
/dev/video2
/dev/video3
/dev/media0
/dev/media1
v4l2-cl -d /dev/video0 --all
Driver Info:
Driver name : uvcvideo
Card type : Integrated Camera: Integrated C
Bus info : usb-0000:00:14.0-1
Driver version : 5.15.53
Capabilities : 0x84a00001
Video Capture
Metadata Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200001
Video Capture
Streaming
Extended Pix Format
Media Driver Info:
Driver name : uvcvideo
Model : Integrated Camera: Integrated C
Serial : 0001
Bus info : usb-0000:00:14.0-1
Media version : 5.15.53
Hardware revision: 0x00000604 (1540)
Driver version : 5.15.53
Interface Info:
ID : 0x03000002
Type : V4L Video
Entity Info:
ID : 0x00000001 (1)
Name : Integrated Camera: Integrated C
Function : V4L2 I/O
Flags : default
Pad 0x01000007 : 0: Sink
Link 0x02000016: from remote pad 0x100000a of entity 'Microsoft Extended Controls Uni' (Video Pixel Formatter): Data, Enabled, Immutable
Priority: 2
Video input : 0 (Camera 1: ok)
Format Video Capture:
Width/Height : 1280/720
Pixel Format : 'MJPG' (Motion-JPEG)
Field : None
Bytes per Line : 0
Size Image : 1843200
Colorspace : sRGB
Transfer Function : Rec. 709
YCbCr/HSV Encoding: ITU-R 601
Quantization : Default (maps to Full Range)
Flags :
Crop Capability Video Capture:
Bounds : Left 0, Top 0, Width 1280, Height 720
Default : Left 0, Top 0, Width 1280, Height 720
Pixel Aspect: 1/1
Selection Video Capture: crop_default, Left 0, Top 0, Width 1280, Height 720, Flags:
Selection Video Capture: crop_bounds, Left 0, Top 0, Width 1280, Height 720, Flags:
Streaming Parameters Video Capture:
Capabilities : timeperframe
Frames per second: 30.000 (30/1)
Read buffers : 0
brightness 0x00980900 (int) : min=0 max=255 step=1 default=128 value=128
contrast 0x00980901 (int) : min=0 max=100 step=1 default=32 value=32
saturation 0x00980902 (int) : min=0 max=100 step=1 default=64 value=64
hue 0x00980903 (int) : min=-180 max=180 step=1 default=0 value=0
white_balance_temperature_auto 0x0098090c (bool) : default=1 value=1
gamma 0x00980910 (int) : min=90 max=150 step=1 default=120 value=120
power_line_frequency 0x00980918 (menu) : min=0 max=2 default=1 value=1 (50 Hz)
0: Disabled
1: 50 Hz
2: 60 Hz
white_balance_temperature 0x0098091a (int) : min=2800 max=6500 step=10 default=4600 value=4600 flags=inactive
sharpness 0x0098091b (int) : min=0 max=7 step=1 default=3 value=3
backlight_compensation 0x0098091c (int) : min=0 max=2 step=1 default=1 value=1
exposure_auto 0x009a0901 (menu) : min=0 max=3 default=3 value=3 (Aperture Priority Mode)
1: Manual Mode
3: Aperture Priority Mode
exposure_absolute 0x009a0902 (int) : min=8 max=1250 step=1 default=156 value=156 flags=inactive
exposure_auto_priority 0x009a0903 (bool) : default=0 value=0