Struct v4l::control::Description

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pub struct Description {
    pub id: u32,
    pub typ: Type,
    pub name: String,
    pub minimum: i64,
    pub maximum: i64,
    pub step: u64,
    pub default: i64,
    pub flags: Flags,
    pub items: Option<Vec<(u32, MenuItem)>>,
}

Expand description

Device control description

Fields

id: u32

Control identifier, set by the the application

typ: Type

Type of control

name: String

Name of the control, intended for the user

minimum: i64

Minimum value, inclusive

maximum: i64

Maximum value, inclusive

step: u64

Step size, always positive

default: i64

Default value

flags: Flags

Control flags

items: Option<Vec<(u32, MenuItem)>>

Items for menu controls (only valid if typ is a menu type)

Trait Implementations

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impl Debug for Description

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Display for Description

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl From<v4l2_query_ext_ctrl> for Description

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fn from(ctrl: v4l2_query_ext_ctrl) -> Self

Converts to this type from the input type.

Auto Trait Implementations

impl RefUnwindSafe for Description

impl Send for Description

impl Sync for Description

impl Unpin for Description

impl UnwindSafe for Description

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct v4l::control::Description

Fields

Trait Implementations

impl Debug for Description

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Display for Description

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl From<v4l2_query_ext_ctrl> for Description

fn from(ctrl: v4l2_query_ext_ctrl) -> Self

Auto Trait Implementations

impl RefUnwindSafe for Description

impl Send for Description

impl Sync for Description

impl Unpin for Description

impl UnwindSafe for Description

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

fn into(self) -> U

impl<T> ToString for T where
T: Display + ?Sized,

default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct v4l::control::Description

Fields

Trait Implementations

impl Debug for Description

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Display for Description

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl From<v4l2_query_ext_ctrl> for Description

fn from(ctrl: v4l2_query_ext_ctrl) -> Self

Auto Trait Implementations

impl RefUnwindSafe for Description

impl Send for Description

impl Sync for Description

impl Unpin for Description

impl UnwindSafe for Description

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,