Struct gstreamer::structure::StructureRef

#[repr(transparent)]
pub struct StructureRef(_);

Implementations

impl StructureRef

pub unsafe fn from_glib_borrow<'a>(ptr: *const GstStructure) -> &'a StructureRef

pub unsafe fn from_glib_borrow_mut<'a>(
    ptr: *mut GstStructure
) -> &'a mut StructureRef

pub fn as_ptr(&self) -> *const GstStructure

pub fn as_mut_ptr(&self) -> *mut GstStructure

pub fn get<'a, T: FromValue<'a>>(
    &'a self,
    name: &str
) -> Result<T, GetError<<<T as FromValue<'a>>::Checker as ValueTypeChecker>::Error>>

pub fn get_optional<'a, T: FromValue<'a>>(
    &'a self,
    name: &str
) -> Result<Option<T>, GetError<<<T as FromValue<'a>>::Checker as ValueTypeChecker>::Error>>

pub fn value(&self, name: &str) -> Result<&SendValue, GetError<Infallible>>

pub fn get_by_quark<'a, T: FromValue<'a>>(
    &'a self,
    name: Quark
) -> Result<T, GetError<<<T as FromValue<'a>>::Checker as ValueTypeChecker>::Error>>

pub fn get_optional_by_quark<'a, T: FromValue<'a>>(
    &'a self,
    name: Quark
) -> Result<Option<T>, GetError<<<T as FromValue<'a>>::Checker as ValueTypeChecker>::Error>>

pub fn value_by_quark(
    &self,
    name: Quark
) -> Result<&SendValue, GetError<Infallible>>

pub fn set<T: ToSendValue + Sync>(&mut self, name: &str, value: T)

pub fn set_value(&mut self, name: &str, value: SendValue)

pub fn set_by_quark<T: ToSendValue + Sync>(&mut self, name: Quark, value: T)

pub fn set_value_by_quark(&mut self, name: Quark, value: SendValue)

pub fn name<'a>(&self) -> &'a str

pub fn name_quark(&self) -> Quark

pub fn set_name(&mut self, name: &str)

pub fn has_name(&self, name: &str) -> bool

pub fn has_field(&self, field: &str) -> bool

pub fn has_field_with_type(&self, field: &str, type_: Type) -> bool

pub fn has_field_by_quark(&self, field: Quark) -> bool

pub fn has_field_with_type_by_quark(&self, field: Quark, type_: Type) -> bool

pub fn remove_field(&mut self, field: &str)

pub fn remove_fields(&mut self, fields: &[&str])

pub fn remove_all_fields(&mut self)

pub fn fields(&self) -> FieldIterator<'_>

pub fn iter(&self) -> Iter<'_>

pub fn nth_field_name<'a>(&self, idx: u32) -> Option<&'a str>

pub fn n_fields(&self) -> u32

pub fn can_intersect(&self, other: &StructureRef) -> bool

pub fn intersect(&self, other: &StructureRef) -> Option<Structure>

pub fn is_subset(&self, superset: &StructureRef) -> bool

pub fn fixate(&mut self)

pub fn fixate_field(&mut self, name: &str) -> bool

pub fn fixate_field_bool(&mut self, name: &str, target: bool) -> bool

pub fn fixate_field_str(&mut self, name: &str, target: &str) -> bool

pub fn fixate_field_nearest_double(&mut self, name: &str, target: f64) -> bool

pub fn fixate_field_nearest_fraction<T: Into<Fraction>>(
    &mut self,
    name: &str,
    target: T
) -> bool

pub fn fixate_field_nearest_int(&mut self, name: &str, target: i32) -> bool

pub fn serialize(&self, flags: SerializeFlags) -> GString

Available on crate feature v1_20 only.

pub fn foreach<F: FnMut(Quark, &Value) -> ControlFlow<()>>(
    &self,
    func: F
) -> bool

pub fn map_in_place<F: FnMut(Quark, &mut Value) -> ControlFlow<()>>(
    &mut self,
    func: F
) -> bool

pub fn filter_map_in_place<F: FnMut(Quark, Value) -> Option<Value>>(
    &mut self,
    func: F
)

Trait Implementations

impl AsMut<StructureRef> for BufferPoolConfigRef

fn as_mut(&mut self) -> &mut StructureRef

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsMut<StructureRef> for Structure

fn as_mut(&mut self) -> &mut StructureRef

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<StructureRef> for BufferPoolConfigRef

fn as_ref(&self) -> &StructureRef

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<StructureRef> for Structure

fn as_ref(&self) -> &StructureRef

Converts this type into a shared reference of the (usually inferred) input type.

impl Borrow<StructureRef> for Structure

fn borrow(&self) -> &StructureRef

Immutably borrows from an owned value.

impl BorrowMut<StructureRef> for Structure

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

Mutably borrows from an owned value.

impl Debug for StructureRef

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

Formats the value using the given formatter.

impl Display for StructureRef

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

Formats the value using the given formatter.

impl<'a> Extend<(&'a str, SendValue)> for StructureRef

fn extend<T: IntoIterator<Item = (&'a str, SendValue)>>(&mut self, iter: T)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

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

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

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

Reserves capacity in a collection for the given number of additional elements.

impl Extend<(Quark, SendValue)> for StructureRef

fn extend<T: IntoIterator<Item = (Quark, SendValue)>>(&mut self, iter: T)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

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

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

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

Reserves capacity in a collection for the given number of additional elements.

impl Extend<(String, SendValue)> for StructureRef

fn extend<T: IntoIterator<Item = (String, SendValue)>>(&mut self, iter: T)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

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

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

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

Reserves capacity in a collection for the given number of additional elements.

impl<'a> FromValue<'a> for &'a StructureRef

type Checker = GenericValueTypeOrNoneChecker<&'a StructureRef>

Value type checker.

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

Get the contained value from a Value.

impl<'a> IntoIterator for &'a StructureRef

type IntoIter = Iter<'a>

Which kind of iterator are we turning this into?

type Item = (&'static str, &'a SendValue)

The type of the elements being iterated over.

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl PartialEq<Structure> for StructureRef

fn eq(&self, other: &Structure) -> bool

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

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<StructureRef> for Structure

fn eq(&self, other: &StructureRef) -> bool

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

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<StructureRef> for StructureRef

fn eq(&self, other: &StructureRef) -> bool

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

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for StructureRef

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl StaticType for StructureRef

fn static_type() -> Type

Returns the type identifier of Self.

impl ToOwned for StructureRef

type Owned = Structure

The resulting type after obtaining ownership.

fn to_owned(&self) -> Structure

Creates owned data from borrowed data, usually by cloning.

fn clone_into(&self, target: &mut Self::Owned)

Uses borrowed data to replace owned data, usually by cloning.

impl ToValue for StructureRef

fn to_value(&self) -> Value

Convert a value to a Value.

fn value_type(&self) -> Type

Returns the type identifer of self.

impl ToValueOptional for StructureRef

fn to_value_optional(s: Option<&Self>) -> Value

Convert an Option to a Value.

impl Eq for StructureRef

impl Send for StructureRef

impl Sync for StructureRef