Struct gstreamer::structure::Structure

pub struct Structure(_);

Implementations

impl Structure

pub fn builder(name: &str) -> Builder

pub fn new_empty(name: &str) -> Structure

pub fn new(name: &str, values: &[(&str, &dyn ToSendValue)]) -> Structure

pub unsafe fn into_ptr(self) -> *mut GstStructure

pub fn from_iter<'a, 'b, I>(name: &str, iter: I) -> Structure where
    I: IntoIterator<Item = (&'a str, &'b SendValue)>, 

Methods from Deref<Target = StructureRef>

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

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

pub fn get<'structure, 'name, T: FromValueOptional<'structure>>(
    &'structure self,
    name: &'name str
) -> Result<Option<T>, GetError<'name>>

pub fn get_optional<'structure, 'name, T: FromValueOptional<'structure>>(
    &'structure self,
    name: &'name str
) -> Result<Option<T>, GetError<'name>>

pub fn get_some<'structure, 'name, T: FromValue<'structure>>(
    &'structure self,
    name: &'name str
) -> Result<T, GetError<'name>>

pub fn get_value<'structure, 'name>(
    &'structure self,
    name: &'name str
) -> Result<&SendValue, GetError<'name>>

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

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

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

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

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

pub fn has_field_with_type(&self, field: &str, 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 get_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

Trait Implementations

impl AsMut<StructureRef> for Structure

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

Performs the conversion.

impl AsRef<StructureRef> for Structure

fn as_ref(&self) -> &StructureRef

Performs the conversion.

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.

pub 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 Eq for Structure

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 FromStr for Structure

type Err = BoolError

The associated error which can be returned from parsing.

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

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

impl<'a> FromValueOptional<'a> for Structure

unsafe fn from_value_optional(v: &'a Value) -> Option<Self>

Safety

impl GlibPtrDefault for Structure

type GlibType = *mut GstStructure

impl PartialEq<Structure> for Structure

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

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

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

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 ==.

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Send for Structure

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 SetValue for Structure

unsafe fn set_value(v: &mut Value, s: &Self)

Safety

impl SetValueOptional for Structure

unsafe fn set_value_optional(v: &mut Value, s: Option<&Self>)

Safety

impl StaticType for Structure

fn static_type() -> Type

Returns the type identifier of Self.

impl Sync for Structure

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

type Storage = &'a Self

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

Transfer: none.

fn to_glib_full(&self) -> *const GstStructure

Transfer: full.

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

Transfer: container.

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

type Storage = &'a Self

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

Transfer: none.

fn to_glib_full(&self) -> *mut GstStructure

Transfer: full.

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

Transfer: container.

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

type Storage = &'a mut Self

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

Transfer: none.