Struct gstreamer :: context :: Context Copy item path

pub fn new(context_type: &str, persistent: bool) -> Self

Creates a new context.

§`context_type`

Context type

§`persistent`

Persistent context

§Returns

The new context.

Methods from Deref<Target = ContextRef>§

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

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

pub fn copy(&self) -> Context

pub fn upcast_ref(&self) -> &MiniObjectRef

pub fn context_type(&self) -> &str

pub fn has_context_type(&self, context_type: &str) -> bool

pub fn is_persistent(&self) -> bool

pub fn structure(&self) -> &StructureRef

Trait Implementations§

impl AsRef<ContextRef> for Context

fn as_ref(&self) -> &ContextRef

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

impl Borrow<ContextRef> for Context

fn borrow(&self) -> &ContextRef

Immutably borrows from an owned value. Read more

impl Clone for Context

fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

impl Debug for Context

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

Formats the value using the given formatter. Read more

impl Deref for Context

type Target = ContextRef

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl Drop for Context

fn drop(&mut self)

Executes the destructor for this type. Read more

impl From<Context> for Value

fn from(v: Context) -> Value

Converts to this type from the input type.

impl FromGlibContainerAsVec<mut GstContext, const *mut GstContext> for Context

unsafe fn from_glib_none_num_as_vec( ptr: const mut GstContext, num: usize, ) -> Vec<Self>

unsafe fn from_glib_container_num_as_vec( _: const mut GstContext, _: usize, ) -> Vec<Self>

unsafe fn from_glib_full_num_as_vec( _: const mut GstContext, _: usize, ) -> Vec<Self>

impl FromGlibContainerAsVec<mut GstContext, mut *mut GstContext> for Context

unsafe fn from_glib_none_num_as_vec( ptr: mut mut GstContext, num: usize, ) -> Vec<Self>

unsafe fn from_glib_container_num_as_vec( ptr: mut mut GstContext, num: usize, ) -> Vec<Self>

unsafe fn from_glib_full_num_as_vec( ptr: mut mut GstContext, num: usize, ) -> Vec<Self>

impl FromGlibPtrArrayContainerAsVec<mut GstContext, const *mut GstContext> for Context

unsafe fn from_glib_none_as_vec(ptr: const mut GstContext) -> Vec<Self>

unsafe fn from_glib_container_as_vec(_: const mut GstContext) -> Vec<Self>

unsafe fn from_glib_full_as_vec(_: const mut GstContext) -> Vec<Self>

impl FromGlibPtrArrayContainerAsVec<mut GstContext, mut *mut GstContext> for Context

unsafe fn from_glib_none_as_vec(ptr: mut mut GstContext) -> Vec<Self>

unsafe fn from_glib_container_as_vec(ptr: mut mut GstContext) -> Vec<Self>

unsafe fn from_glib_full_as_vec(ptr: mut mut GstContext) -> Vec<Self>

impl FromGlibPtrBorrow<*const GstContext> for Context

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

Safety Read more

impl FromGlibPtrBorrow<*mut GstContext> for Context

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

Safety Read more

impl FromGlibPtrFull<*const GstContext> for Context

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

Safety Read more

impl FromGlibPtrFull<*mut GstContext> for Context

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

Safety Read more

impl FromGlibPtrNone<*const GstContext> for Context

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

Safety Read more

impl FromGlibPtrNone<*mut GstContext> for Context

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

Safety Read more

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

type Checker = GenericValueTypeOrNoneChecker<&'a Context>

Value type checker.

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

Get the contained value from a Value. Read more

impl<'a> FromValue<'a> for Context

type Checker = GenericValueTypeOrNoneChecker<Context>

Value type checker.

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

Get the contained value from a Value. Read more

impl GlibPtrDefault for Context

type GlibType = *mut GstContext

impl HasParamSpec for Context

type ParamSpec = ParamSpecBoxed

type SetValue = Context

Preferred value to be used as setter for the associated ParamSpec.

type BuilderFn = fn(_: &str) -> ParamSpecBoxedBuilder<'_, Context>

fn param_spec_builder() -> Self::BuilderFn

impl IntoGlibPtr<*mut GstContext> for Context

unsafe fn into_glib_ptr(self) -> *mut GstContext

Transfer: full.

impl IsMiniObject for Context

type RefType = ContextRef

type FfiType = GstContext

impl StaticType for Context

fn static_type() -> Type

Returns the type identifier of Self.

impl<'a> ToGlibContainerFromSlice<'a, const mut GstContext> for Context

type Storage = (PhantomData<&'a [Context]>, Option<Vec<*mut GstContext>>)

fn to_glib_none_from_slice( t: &'a [Context], ) -> (const mut GstContext, Self::Storage)

fn to_glib_container_from_slice( _: &'a [Context], ) -> (const mut GstContext, Self::Storage)

fn to_glib_full_from_slice(_: &[Context]) -> const mut GstContext

impl<'a> ToGlibContainerFromSlice<'a, mut mut GstContext> for Context

type Storage = (PhantomData<&'a [Context]>, Option<Vec<*mut GstContext>>)

fn to_glib_none_from_slice( t: &'a [Context], ) -> (mut mut GstContext, Self::Storage)

fn to_glib_container_from_slice( t: &'a [Context], ) -> (mut mut GstContext, Self::Storage)

fn to_glib_full_from_slice(t: &[Context]) -> mut mut GstContext

impl<'a> ToGlibPtr<'a, *const GstContext> for Context

type Storage = PhantomData<&'a Context>

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

Transfer: none. Read more

fn to_glib_full(&self) -> *const GstContext

Transfer: full. Read more

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

Transfer: container. Read more

impl<'a> ToGlibPtr<'a, *mut GstContext> for Context

type Storage = PhantomData<&'a Context>

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

Transfer: none. Read more

fn to_glib_full(&self) -> *mut GstContext

Transfer: full. Read more

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

Transfer: container. Read more

impl<'a> ToGlibPtrMut<'a, *mut GstContext> for Context

type Storage = PhantomData<&'a mut Context>

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

Transfer: none. Read more

impl ToValue for Context

fn to_value(&self) -> Value

Convert a value to a Value.

fn value_type(&self) -> Type

Returns the type identifier of self. Read more

impl ToValueOptional for Context

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

Convert an Option to a Value.

impl ValueType for Context

type Type = Context

Type to get the Type from. Read more

impl Send for Context

impl Sync for Context

impl TransparentPtrType for Context

impl ValueTypeOptional for Context

Auto Trait Implementations§

impl Freeze for Context

impl RefUnwindSafe for Context

impl Unpin for Context

impl UnwindSafe for Context

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

default unsafe fn clone_to_uninit(&self, dst: *mut T)

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

Performs copy-assignment from self to dst. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_num_as_vec(ptr: *const GList, num: usize) -> Vec<T>

unsafe fn from_glib_container_num_as_vec(_: *const GList, _: usize) -> Vec<T>

unsafe fn from_glib_full_num_as_vec(_: *const GList, _: usize) -> Vec<T>

impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_num_as_vec(ptr: *const GPtrArray, num: usize) -> Vec<T>

unsafe fn from_glib_container_num_as_vec( _: *const GPtrArray, _: usize, ) -> Vec<T>

unsafe fn from_glib_full_num_as_vec(_: *const GPtrArray, _: usize) -> Vec<T>

impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_num_as_vec(ptr: *const GSList, num: usize) -> Vec<T>

unsafe fn from_glib_container_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

unsafe fn from_glib_full_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

unsafe fn from_glib_container_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

unsafe fn from_glib_full_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

unsafe fn from_glib_container_num_as_vec( ptr: *mut GPtrArray, num: usize, ) -> Vec<T>

unsafe fn from_glib_full_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

unsafe fn from_glib_container_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

unsafe fn from_glib_full_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_as_vec(ptr: *const GList) -> Vec<T>

unsafe fn from_glib_container_as_vec(_: *const GList) -> Vec<T>

unsafe fn from_glib_full_as_vec(_: *const GList) -> Vec<T>

impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_as_vec(ptr: *const GPtrArray) -> Vec<T>

unsafe fn from_glib_container_as_vec(_: *const GPtrArray) -> Vec<T>

unsafe fn from_glib_full_as_vec(_: *const GPtrArray) -> Vec<T>

impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_as_vec(ptr: *const GSList) -> Vec<T>

unsafe fn from_glib_container_as_vec(_: *const GSList) -> Vec<T>

unsafe fn from_glib_full_as_vec(_: *const GSList) -> Vec<T>

impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_as_vec(ptr: *mut GList) -> Vec<T>

unsafe fn from_glib_container_as_vec(ptr: *mut GList) -> Vec<T>

unsafe fn from_glib_full_as_vec(ptr: *mut GList) -> Vec<T>

impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_as_vec(ptr: *mut GPtrArray) -> Vec<T>

unsafe fn from_glib_container_as_vec(ptr: *mut GPtrArray) -> Vec<T>

unsafe fn from_glib_full_as_vec(ptr: *mut GPtrArray) -> Vec<T>

impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T
where T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

unsafe fn from_glib_none_as_vec(ptr: *mut GSList) -> Vec<T>

unsafe fn from_glib_container_as_vec(ptr: *mut GSList) -> Vec<T>

unsafe fn from_glib_full_as_vec(ptr: *mut GSList) -> Vec<T>

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoClosureReturnValue for T
where T: Into<Value>,

fn into_closure_return_value(self) -> Option<Value>

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more