Struct gstreamer::query::Query

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pub struct Query { /* private fields */ }

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impl Query

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pub unsafe fn from_glib_ptr_borrow(ptr: &*mut GstQuery) -> &Self

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

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

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

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pub unsafe fn replace_ptr(&mut self, ptr: *mut GstQuery)

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pub fn make_mut(&mut self) -> &mut QueryRef

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pub fn get_mut(&mut self) -> Option<&mut QueryRef>

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pub fn is_writable(&self) -> bool

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pub fn upcast(self) -> MiniObject

Methods from Deref<Target = QueryRef>§

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

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

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pub fn copy(&self) -> Query

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pub fn upcast_ref(&self) -> &MiniObjectRef

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pub fn structure(&self) -> Option<&StructureRef>

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pub fn is_downstream(&self) -> bool

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pub fn is_upstream(&self) -> bool

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pub fn is_serialized(&self) -> bool

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pub fn view(&self) -> QueryView<'_>

Trait Implementations§

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impl AsRef<QueryRef> for Query

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fn as_ref(&self) -> &QueryRef

Converts this type into a shared reference of the (usually inferred) input type.
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impl Borrow<QueryRef> for Query

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fn borrow(&self) -> &QueryRef

Immutably borrows from an owned value. Read more
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impl Clone for Query

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Query

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

Formats the value using the given formatter. Read more
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impl Deref for Query

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type Target = QueryRef

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl Drop for Query

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl From<AcceptCaps<Query>> for Query

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fn from(concrete: AcceptCaps<Query>) -> Self

Converts to this type from the input type.
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impl From<Allocation<Query>> for Query

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fn from(concrete: Allocation<Query>) -> Self

Converts to this type from the input type.
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impl From<Bitrate<Query>> for Query

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fn from(concrete: Bitrate<Query>) -> Self

Converts to this type from the input type.
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impl From<Buffering<Query>> for Query

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fn from(concrete: Buffering<Query>) -> Self

Converts to this type from the input type.
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impl From<Caps<Query>> for Query

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fn from(concrete: Caps<Query>) -> Self

Converts to this type from the input type.
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impl From<Context<Query>> for Query

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fn from(concrete: Context<Query>) -> Self

Converts to this type from the input type.
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impl From<Convert<Query>> for Query

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fn from(concrete: Convert<Query>) -> Self

Converts to this type from the input type.
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impl From<Custom<Query>> for Query

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fn from(concrete: Custom<Query>) -> Self

Converts to this type from the input type.
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impl From<Drain<Query>> for Query

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fn from(concrete: Drain<Query>) -> Self

Converts to this type from the input type.
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impl From<Duration<Query>> for Query

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fn from(concrete: Duration<Query>) -> Self

Converts to this type from the input type.
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impl From<Formats<Query>> for Query

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fn from(concrete: Formats<Query>) -> Self

Converts to this type from the input type.
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impl From<Latency<Query>> for Query

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fn from(concrete: Latency<Query>) -> Self

Converts to this type from the input type.
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impl From<Other<Query>> for Query

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fn from(concrete: Other<Query>) -> Self

Converts to this type from the input type.
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impl From<Position<Query>> for Query

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fn from(concrete: Position<Query>) -> Self

Converts to this type from the input type.
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impl From<Query> for Value

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fn from(v: Query) -> Value

Converts to this type from the input type.
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impl From<Scheduling<Query>> for Query

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fn from(concrete: Scheduling<Query>) -> Self

Converts to this type from the input type.
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impl From<Seeking<Query>> for Query

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fn from(concrete: Seeking<Query>) -> Self

Converts to this type from the input type.
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impl From<Segment<Query>> for Query

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fn from(concrete: Segment<Query>) -> Self

Converts to this type from the input type.
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impl From<Selectable<Query>> for Query

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fn from(concrete: Selectable<Query>) -> Self

Converts to this type from the input type.
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impl From<Uri<Query>> for Query

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fn from(concrete: Uri<Query>) -> Self

Converts to this type from the input type.
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impl FromGlibContainerAsVec<*mut GstQuery, *const *mut GstQuery> for Query

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impl FromGlibContainerAsVec<*mut GstQuery, *mut *mut GstQuery> for Query

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impl FromGlibPtrArrayContainerAsVec<*mut GstQuery, *const *mut GstQuery> for Query

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impl FromGlibPtrArrayContainerAsVec<*mut GstQuery, *mut *mut GstQuery> for Query

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impl FromGlibPtrBorrow<*const GstQuery> for Query

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impl FromGlibPtrBorrow<*mut GstQuery> for Query

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impl FromGlibPtrFull<*const GstQuery> for Query

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

Safety Read more
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impl FromGlibPtrFull<*mut GstQuery> for Query

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

Safety Read more
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impl FromGlibPtrNone<*const GstQuery> for Query

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

Safety Read more
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impl FromGlibPtrNone<*mut GstQuery> for Query

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

Safety Read more
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impl<'a> FromValue<'a> for &'a Query

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type Checker = GenericValueTypeOrNoneChecker<&'a Query>

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

Get the contained value from a Value. Read more
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impl<'a> FromValue<'a> for Query

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type Checker = GenericValueTypeOrNoneChecker<Query>

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

Get the contained value from a Value. Read more
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impl GlibPtrDefault for Query

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impl HasParamSpec for Query

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type ParamSpec = ParamSpecBoxed

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type SetValue = Query

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecBoxedBuilder<'_, Query>

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fn param_spec_builder() -> Self::BuilderFn

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impl IntoGlibPtr<*mut GstQuery> for Query

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unsafe fn into_glib_ptr(self) -> *mut GstQuery

Transfer: full.
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impl IsMiniObject for Query

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impl StaticType for Query

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fn static_type() -> Type

Returns the type identifier of Self.
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impl<'a> ToGlibContainerFromSlice<'a, *const *mut GstQuery> for Query

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impl<'a> ToGlibContainerFromSlice<'a, *mut *mut GstQuery> for Query

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impl<'a> ToGlibPtr<'a, *const GstQuery> for Query

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type Storage = PhantomData<&'a Query>

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

Transfer: none. Read more
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fn to_glib_full(&self) -> *const GstQuery

Transfer: full. Read more
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fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container. Read more
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impl<'a> ToGlibPtr<'a, *mut GstQuery> for Query

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type Storage = PhantomData<&'a Query>

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

Transfer: none. Read more
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fn to_glib_full(&self) -> *mut GstQuery

Transfer: full. Read more
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fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container. Read more
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impl<'a> ToGlibPtrMut<'a, *mut GstQuery> for Query

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type Storage = PhantomData<&'a mut Query>

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

Transfer: none. Read more
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impl ToValue for Query

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fn to_value(&self) -> Value

Convert a value to a Value.
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fn value_type(&self) -> Type

Returns the type identifier of self. Read more
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impl ToValueOptional for Query

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

Convert an Option to a Value.
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impl ValueType for Query

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type Type = Query

Type to get the Type from. Read more
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impl Send for Query

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impl Sync for Query

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impl TransparentPtrType for Query

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impl ValueTypeOptional for Query

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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

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

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

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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

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

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

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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

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

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

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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

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

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

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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

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

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

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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

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

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

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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

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

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

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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

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

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

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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

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

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

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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

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

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

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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

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

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

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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

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

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

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

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fn into(self) -> U

Calls U::from(self).

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

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

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impl<T> IntoEither for T

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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
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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
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impl<T> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToSendValue for T
where T: Send + ToValue + ?Sized,

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fn to_send_value(&self) -> SendValue

Returns a SendValue clone of self.
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impl<T> TransparentType for T

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,