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tldr/pages.zh/linux/uvcdynctrl.md

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# uvcdynctrl
> 一款用于管理uvcvideo中动态控制的libwebcam命令行工具。
> 更多信息:<https://manned.org/uvcdynctrl>。
- 列出所有可用的摄像头:
`uvcdynctrl -l`
- 使用特定设备(默认为`video0`
`uvcdynctrl -d {{device_name}}`
- 列出可用的控制项:
`uvcdynctrl -c`
- 设置新的控制值(对于负值,请使用`-- -value`
`uvcdynctrl -s {{control_name}} {{value}}`
- 获取当前控制值:
`uvcdynctrl -g {{control_name}}`
- 将当前控制状态保存到文件:
`uvcdynctrl -W {{filename}}`
- 从文件加载控制状态:
`uvcdynctrl -L {{filename}}`