Struct Device

pub struct Device { /* private fields */ }

Video device

Implementations

impl Device

pub async fn list() -> Result<Devices>

List video devices

pub async fn open(path: impl AsRef<Path>) -> Result<Self>

Open video device

pub async fn capabilities(&self) -> Result<Capability>

Get capabilities

pub fn controls(&self, class: Option<CtrlClass>) -> Controls<'_>

Get controls

pub async fn control(&self, id: impl Into<u32>) -> Result<Control>

Get control by identifier

pub fn control_items(&self, control: &Control) -> Option<MenuItems<'_>>

Get control menu items

pub async fn get_control<T: GetValue>(&self, value: &mut T) -> Result<()>

Get control value

pub async fn set_control<T: SetValue>(&self, value: &T) -> Result<()>

Set control value

pub fn formats(&self, type_: BufferType) -> FmtDescs<'_>

Get supported formats

pub async fn format(&self, type_: BufferType) -> Result<Format>

Get current format

pub async fn get_format(&self, fmt: &mut Format) -> Result<()>

Get current format

pub async fn set_format(&self, fmt: &mut Format) -> Result<()>

Set current format

pub async fn try_format(&self, fmt: &mut Format) -> Result<()>

Try format without set it

pub fn sizes(&self, pixel_format: FourCc) -> FrmSizes<'_>

Get supported frame sizes

pub fn intervals( &self, pixel_format: FourCc, width: u32, height: u32, ) -> FrmIvals<'_>

Get supported frame intervals

pub async fn param(&self, type_: BufferType) -> Result<StreamParm>

Get stream parameters

pub async fn get_param(&self, param: &mut StreamParm) -> Result<()>

Get stream parameters

pub async fn set_param(&self, param: &mut StreamParm) -> Result<()>

Set stream parameters

pub fn stream<Dir: Direction, Met: Method>( &self, type_: ContentType, count: usize, ) -> Result<Stream<Dir, Met>>

Create stream to input/output data

Trait Implementations

impl AsRawFd for Device

fn as_raw_fd(&self) -> RawFd

Extracts the raw file descriptor.