v4l2-ctl:tldr:52c9f

v4l2-ctl: Get all details of a video device.

v4l2-ctl

$ v4l2-ctl --all --device ${path-to-video_device}

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This command is used to display detailed information about a Video4Linux2 (v4l2) video device and its capabilities. Here's the breakdown of the command:

v4l2-ctl: This is the command line tool used to control and query settings of v4l2 devices. It allows you to interact with various video capture devices in Linux.
--all: This flag is used to specify that you want to display all available information about the video device. It provides a comprehensive overview of the device capabilities, controls, formats, and settings.
--device ${path-to-video_device}: This option is followed by the path to the video device file you want to query. The ${path-to-video_device} is a placeholder indicating that you should replace it with the actual path of the v4l2 video device you want to inspect. This path is commonly something like /dev/video0.

By running this command in the terminal with the appropriate video device path, you will get a detailed report on the capabilities and settings of the specified video device.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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