Struct v4l::context::Node

pub struct Node {
    path: PathBuf,
}

Represents a video4linux device node

Fields

path: PathBuf

Device node path

Implementations

impl Node

pub fn new<P: AsRef<Path>>(path: P) -> Self

Returns a device node observer by path

The device is opened in read only mode.

Arguments

• path - Node path (usually a character device or sysfs entry)

Example

use v4l::context::Node;
let node = Node::new("/dev/video0");

pub fn path(&self) -> &Path

Returns the absolute path of the device node

pub fn index(&self) -> usize

Returns the index of the device node

pub fn name(&self) -> Option<String>

Returns name of the device by parsing its sysfs entry