Enum gstreamer::FlowReturn

[−] Show declaration

[+] Expand attributes
#[must_use]
pub enum FlowReturn {
    CustomSuccess2,
    CustomSuccess1,
    CustomSuccess,
    Ok,
    NotLinked,
    Flushing,
    Eos,
    NotNegotiated,
    Error,
    NotSupported,
    CustomError,
    CustomError1,
    CustomError2,
    // some variants omitted
}

[−] Expand description

The result of passing data to a pad.

Note that the custom return values should not be exposed outside of the element scope.

Variants

CustomSuccess2

CustomSuccess1

CustomSuccess

Ok

NotLinked

Flushing

Eos

NotNegotiated

Error

NotSupported

CustomError

CustomError1

CustomError2

Methods

impl FlowReturn[−]

pub fn into_result(self) -> Result<FlowSuccess, FlowError>

pub fn into_result_value<T, F: FnOnce() -> T>(
    self,
    func: F
) -> Result<T, FlowError>

pub fn from_error(v: FlowError) -> Self

pub fn from_ok(v: FlowSuccess) -> Self

Trait Implementations

impl Clone for FlowReturn[+]

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fn clone(&self) -> FlowReturn[−]

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Copy for FlowReturn

impl Debug for FlowReturn[+]

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fn fmt(&self, f: &mut Formatter) -> Result[−]

Formats the value using the given formatter.

impl Eq for FlowReturn

impl<'a> From<&'a FlowError> for FlowReturn[+]

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fn from(err: &FlowError) -> FlowReturn[−]

Performs the conversion.

impl From<FlowError> for FlowReturn[+]

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fn from(value: FlowError) -> Self[−]

Performs the conversion.

impl From<FlowError> for FlowReturn[+]

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fn from(err: FlowError) -> Self[−]

Performs the conversion.

impl From<FlowSuccess> for FlowReturn[+]

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fn from(value: FlowSuccess) -> Self[−]

Performs the conversion.

impl From<Result<FlowSuccess, FlowError>> for FlowReturn[+]

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fn from(res: Result<FlowSuccess, FlowError>) -> Self[−]

Performs the conversion.

impl<'a> FromValue<'a> for FlowReturn[+]

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unsafe fn from_value(value: &Value) -> Self

impl<'a> FromValueOptional<'a> for FlowReturn[+]

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unsafe fn from_value_optional(value: &Value) -> Option<Self>

impl Hash for FlowReturn[+]

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fn hash<__H: Hasher>(&self, state: &mut __H)[−]

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, [−]

Feeds a slice of this type into the given [Hasher].

impl Ord for FlowReturn[+]

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fn cmp(&self, other: &FlowReturn) -> Ordering[−]

This method returns an [Ordering] between self and other.

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#[must_use] fn max(self, other: Self) -> Self[−]

Compares and returns the maximum of two values.

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#[must_use] fn min(self, other: Self) -> Self[−]

Compares and returns the minimum of two values.

[+] Expand attributes

#[must_use] fn clamp(self, min: Self, max: Self) -> Self[−]

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl PartialEq<FlowReturn> for FlowReturn[+]

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fn eq(&self, other: &FlowReturn) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &FlowReturn) -> bool[−]

This method tests for !=.

impl PartialOrd<FlowReturn> for FlowReturn[+]

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fn partial_cmp(&self, other: &FlowReturn) -> Option<Ordering>[−]

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &FlowReturn) -> bool[−]

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &FlowReturn) -> bool[−]

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &FlowReturn) -> bool[−]

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &FlowReturn) -> bool[−]

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl SetValue for FlowReturn[+]

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unsafe fn set_value(value: &mut Value, this: &Self)

impl StaticType for FlowReturn[+]

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fn static_type() -> Type[−]

Returns the type identifier of Self.

impl StructuralEq for FlowReturn

impl StructuralPartialEq for FlowReturn