Struct gstreamer::structure::Structure

pub struct Structure(/* private fields */);

Implementations

impl Structure

pub fn builder(name: impl IntoGStr) -> Builder

pub fn new_empty(name: impl IntoGStr) -> Structure

pub fn from_iter( name: impl IntoGStr, iter: impl IntoIterator<Item = (impl IntoGStr, SendValue)> ) -> Structure

Methods from Deref<Target = 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: impl IntoGStr ) -> Result<T, GetError<<<T as FromValue<'a>>::Checker as ValueTypeChecker>::Error>>

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

pub fn value( &self, name: impl IntoGStr ) -> 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(&mut self, name: impl IntoGStr, value: impl Into<Value> + Send)

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

pub fn set_by_quark(&mut self, name: Quark, value: impl Into<Value> + Send)

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

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

pub fn name_quark(&self) -> Quark

pub fn set_name(&mut self, name: impl IntoGStr)

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

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

pub fn has_field_with_type(&self, field: impl IntoGStr, 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: impl IntoGStr)

pub fn remove_fields(&mut self, fields: impl IntoIterator<Item = impl IntoGStr>)

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 GStr>

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: impl IntoGStr) -> bool

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

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

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

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

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

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

Available on crate feature v1_20 only.

pub fn serialize_strict( &self, flags: SerializeFlags ) -> Result<GString, BoolError>

Available on crate feature v1_24 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 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 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 Clone for Structure

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Structure

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

Formats the value using the given formatter.

impl Deref for Structure

type Target = StructureRef

The resulting type after dereferencing.

fn deref(&self) -> &StructureRef

Dereferences the value.

impl DerefMut for Structure

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

Mutably dereferences the value.

impl<'de> Deserialize<'de> for Structure

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl Display for Structure

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

Formats the value using the given formatter.

impl Drop for Structure

fn drop(&mut self)

Executes the destructor for this type.

impl Extend<Structure> for CapsRef

fn extend<T: IntoIterator<Item = Structure>>(&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 From<Structure> for Caps

fn from(v: Structure) -> Caps

Converts to this type from the input type.

impl From<Structure> for Value

fn from(v: Structure) -> Value

Converts to this type from the input type.

impl FromGlibPtrBorrow<*const GstStructure> for Structure

unsafe fn from_glib_borrow(ptr: *const GstStructure) -> Borrowed<Self>

Safety

impl FromGlibPtrBorrow<*mut GstStructure> for Structure

unsafe fn from_glib_borrow(ptr: *mut GstStructure) -> Borrowed<Self>

Safety

impl FromGlibPtrFull<*const GstStructure> for Structure

unsafe fn from_glib_full(ptr: *const GstStructure) -> Self

Safety

impl FromGlibPtrFull<*mut GstStructure> for Structure

unsafe fn from_glib_full(ptr: *mut GstStructure) -> Self

Safety

impl FromGlibPtrNone<*const GstStructure> for Structure

unsafe fn from_glib_none(ptr: *const GstStructure) -> Self

Safety

impl FromGlibPtrNone<*mut GstStructure> for Structure

unsafe fn from_glib_none(ptr: *mut GstStructure) -> Self

Safety

impl FromIterator<Structure> for Caps

fn from_iter<T: IntoIterator<Item = Structure>>(iter: T) -> Self

Creates a value from an iterator.

impl FromStr for Structure

type Err = BoolError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl<'a> FromValue<'a> for Structure

type Checker = GenericValueTypeOrNoneChecker<Structure>

Value type checker.

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

Get the contained value from a Value.

impl GlibPtrDefault for Structure

type GlibType = *mut GstStructure

impl IntoGlibPtr<*mut GstStructure> for Structure

unsafe fn into_glib_ptr(self) -> *mut GstStructure

Transfer: full.

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 for Structure

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 Serialize for Structure

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

Serialize this value into the given Serde serializer.

impl StaticType for Structure

fn static_type() -> Type

Returns the type identifier of Self.

impl<'a> ToGlibPtr<'a, *const GstStructure> for Structure

type Storage = PhantomData<&'a Structure>

fn to_glib_none(&'a self) -> Stash<'a, *const GstStructure, Self>

Transfer: none.

fn to_glib_full(&self) -> *const GstStructure

Transfer: full.

fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container.

impl<'a> ToGlibPtr<'a, *mut GstStructure> for Structure

type Storage = PhantomData<&'a Structure>

fn to_glib_none(&'a self) -> Stash<'a, *mut GstStructure, Self>

Transfer: none.

fn to_glib_full(&self) -> *mut GstStructure

Transfer: full.

fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container.

impl<'a> ToGlibPtrMut<'a, *mut GstStructure> for Structure

type Storage = PhantomData<&'a mut Structure>

fn to_glib_none_mut(&'a mut self) -> StashMut<'_, *mut GstStructure, Self>

Transfer: none.

impl ToValue for Structure

fn to_value(&self) -> Value

Convert a value to a Value.

fn value_type(&self) -> Type

Returns the type identifier of self.

impl ToValueOptional for Structure

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

Convert an Option to a Value.

impl ValueType for Structure

type Type = Structure

Type to get the Type from.

impl Eq for Structure

impl Send for Structure

impl Sync for Structure

impl TransparentPtrType for Structure

impl ValueTypeOptional for Structure