Struct gstreamer::meta::MetaRefMut

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pub struct MetaRefMut<'a, T: 'a, U> { /* private fields */ }

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impl<'a, T, U> MetaRefMut<'a, T, U>

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pub fn api(&self) -> Type

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pub fn flags(&self) -> MetaFlags

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pub fn type_(&self) -> Type

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pub fn seqnum(&self) -> MetaSeqnum

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pub fn has_tag(&self, tag: Quark) -> bool

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pub fn tags<'b>(&self) -> &'b [GStringPtr]

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pub fn upcast_ref(&self) -> &MetaRef<'a, Meta>

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pub fn upcast_mut(&mut self) -> &mut MetaRefMut<'a, Meta, U>

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pub fn as_meta_ref(&self) -> MetaRef<'_, T>

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pub fn copy( &self, buffer: &mut BufferRef, region: bool, range: impl RangeBounds<usize> ) -> Result<(), BoolError>
where T: MetaAPI,

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pub fn as_ptr(&self) -> *const T::GstType
where T: MetaAPI,

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pub fn as_mut_ptr(&mut self) -> *mut T::GstType
where T: MetaAPI,

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pub fn serialize<B: ByteArrayInterface + ?Sized>( &self, writer: &mut B ) -> Result<usize, BoolError>

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pub fn clear(&mut self) -> Result<(), BoolError>
where T: MetaAPI,

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impl<'a, T> MetaRefMut<'a, T, Standalone>

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pub fn remove(self) -> Result<(), BoolError>

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impl<'a, U> MetaRefMut<'a, Meta, U>

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pub fn downcast_ref<T: MetaAPI>(&mut self) -> Option<&MetaRefMut<'a, T, U>>

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pub fn downcast_mut<T: MetaAPI>(&mut self) -> Option<&mut MetaRefMut<'a, T, U>>

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pub fn try_as_custom_meta(&self) -> Option<&MetaRefMut<'a, CustomMeta, U>>

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pub fn try_as_mut_custom_meta( &mut self ) -> Option<&mut MetaRefMut<'a, CustomMeta, U>>

Trait Implementations§

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impl<'a, T, U> AsMut<T> for MetaRefMut<'a, T, U>

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

Converts this type into a mutable reference of the (usually inferred) input type.
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impl<'a, T, U> AsRef<MetaRef<'a, T>> for MetaRefMut<'a, T, U>

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fn as_ref(&self) -> &MetaRef<'a, T>

Converts this type into a shared reference of the (usually inferred) input type.
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impl<'a, T: Debug + 'a, U> Debug for MetaRefMut<'a, T, U>

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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<'a, T, U> Deref for MetaRefMut<'a, T, U>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.
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impl<'a, T, U> DerefMut for MetaRefMut<'a, T, U>

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

Mutably dereferences the value.

Auto Trait Implementations§

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impl<'a, T, U> Freeze for MetaRefMut<'a, T, U>

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impl<'a, T, U> RefUnwindSafe for MetaRefMut<'a, T, U>

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impl<'a, T, U> Send for MetaRefMut<'a, T, U>
where T: Send, U: Send,

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impl<'a, T, U> Sync for MetaRefMut<'a, T, U>
where T: Sync, U: Sync,

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impl<'a, T, U> Unpin for MetaRefMut<'a, T, U>
where U: Unpin,

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impl<'a, T, U> !UnwindSafe for MetaRefMut<'a, T, U>

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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, 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, 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.