Struct gstreamer::query::Query

#[repr(transparent)]pub struct Query {
    obj: NonNull<GstQuery>,
}

Fields§

§obj: NonNull<GstQuery>

Implementations§

impl Query

pub unsafe fn from_glib_ptr_borrow<'a>(ptr: const const GstQuery) -> &'a Self

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

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

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

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

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

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

pub fn is_writable(&self) -> bool

pub fn upcast(self) -> MiniObject

Methods from Deref<Target = QueryRef>§

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

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

pub fn copy(&self) -> Query

pub fn upcast_ref(&self) -> &MiniObjectRef

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

pub fn is_downstream(&self) -> bool

pub fn is_upstream(&self) -> bool

pub fn is_serialized(&self) -> bool

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

Trait Implementations§

impl AsRef<QueryRef> for Query

fn as_ref(&self) -> &QueryRef

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

impl Borrow<QueryRef> for Query

fn borrow(&self) -> &QueryRef

Immutably borrows from an owned value. Read more

impl Clone for Query

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 Query

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

Formats the value using the given formatter. Read more

impl Deref for Query

type Target = QueryRef

The resulting type after dereferencing.

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

Dereferences the value.

impl Drop for Query

fn drop(&mut self)

Executes the destructor for this type. Read more

impl From<AcceptCaps<Query>> for Query

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

Converts to this type from the input type.

impl From<Allocation<Query>> for Query

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

Converts to this type from the input type.

impl From<Bitrate<Query>> for Query

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

Converts to this type from the input type.

impl From<Buffering<Query>> for Query

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

Converts to this type from the input type.

impl From<Caps<Query>> for Query

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

Converts to this type from the input type.

impl From<Context<Query>> for Query

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

Converts to this type from the input type.

impl From<Convert<Query>> for Query

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

Converts to this type from the input type.

impl From<Custom<Query>> for Query

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

Converts to this type from the input type.

impl From<Drain<Query>> for Query

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

Converts to this type from the input type.

impl From<Duration<Query>> for Query

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

Converts to this type from the input type.

impl From<Formats<Query>> for Query

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

Converts to this type from the input type.

impl From<Latency<Query>> for Query

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

Converts to this type from the input type.

impl From<Other<Query>> for Query

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

Converts to this type from the input type.

impl From<Position<Query>> for Query

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

Converts to this type from the input type.

impl From<Query> for Value

fn from(v: Query) -> Value

Converts to this type from the input type.

impl From<Scheduling<Query>> for Query

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

Converts to this type from the input type.

impl From<Seeking<Query>> for Query

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

Converts to this type from the input type.

impl From<Segment<Query>> for Query

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

Converts to this type from the input type.

impl From<Uri<Query>> for Query

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

Converts to this type from the input type.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

impl FromGlibPtrBorrow<*const GstQuery> for Query

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

Safety Read more

impl FromGlibPtrBorrow<*mut GstQuery> for Query

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

Safety Read more

impl FromGlibPtrFull<*const GstQuery> for Query

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

Safety Read more

impl FromGlibPtrFull<*mut GstQuery> for Query

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

Safety Read more

impl FromGlibPtrNone<*const GstQuery> for Query

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

Safety Read more

impl FromGlibPtrNone<*mut GstQuery> for Query

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

Safety Read more

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

type Checker = GenericValueTypeOrNoneChecker<&'a Query>

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 Query

type Checker = GenericValueTypeOrNoneChecker<Query>

Value type checker.

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

Get the contained value from a Value. Read more

impl GlibPtrDefault for Query

type GlibType = *mut GstQuery

impl HasParamSpec for Query

type ParamSpec = ParamSpecBoxed

type SetValue = Query

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

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

fn param_spec_builder() -> Self::BuilderFn

impl IntoGlibPtr<*mut GstQuery> for Query

unsafe fn into_glib_ptr(self) -> *mut GstQuery

Transfer: full.

impl IsMiniObject for Query

type RefType = QueryRef

type FfiType = GstQuery

impl StaticType for Query

fn static_type() -> Type

Returns the type identifier of Self.

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

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

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

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

fn to_glib_full_from_slice(_: &[Query]) -> const mut GstQuery

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

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

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

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

fn to_glib_full_from_slice(t: &[Query]) -> mut mut GstQuery

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

type Storage = PhantomData<&'a Query>

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

Transfer: none. Read more

fn to_glib_full(&self) -> *const GstQuery

Transfer: full. Read more

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

Transfer: container. Read more

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

type Storage = PhantomData<&'a Query>

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

Transfer: none. Read more

fn to_glib_full(&self) -> *mut GstQuery

Transfer: full. Read more

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

Transfer: container. Read more

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

type Storage = PhantomData<&'a mut Query>

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

Transfer: none. Read more

impl ToValue for Query

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 Query

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

Convert an Option to a Value.

impl ValueType for Query

type Type = Query

Type to get the Type from. Read more

impl Send for Query

impl Sync for Query

impl TransparentPtrType for Query

impl ValueTypeOptional for Query

Auto Trait Implementations§

impl Freeze for Query

impl RefUnwindSafe for Query

impl Unpin for Query

impl UnwindSafe for Query

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,

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<U> 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

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

type Value = T

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

type Value = T

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

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

fn ensure_type()

Ensures that the type has been registered with the type system.

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

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

impl<T> ToSendValue for T
where T: Send + ToValue + ?Sized,

fn to_send_value(&self) -> SendValue

Returns a SendValue clone of self.

impl<T> TransparentType for T
where T: TransparentPtrType,

type GlibType = <T as GlibPtrDefault>::GlibType

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

fn try_from_closure_return_value(v: Option<Value>) -> Result<T, BoolError>

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

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

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