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AndroidNativeWindowHandle

Struct AndroidNativeWindowHandle 

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pub struct AndroidNativeWindowHandle { /* private fields */ }
Available on Android only.
Expand description

ANativeWindow* encoder input surface.

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impl AndroidNativeWindowHandle

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pub unsafe fn try_from_raw( window: *mut c_void, keep_alive: Option<KeepAlive>, ) -> Result<Self, InvalidHandleError>

Wrap an ANativeWindow* encoder input surface. Borrowing: the handle is stored non-owningly, this type has no Drop, and every obligation below extends to each Clone.

§Safety
  • window must point to a live ANativeWindow on which the caller holds a reference — from ANativeWindow_fromSurface, AMediaCodec_createInputSurface, or an equivalent. Null is rejected as InvalidHandleError::NullPointer and is not a caller obligation.
  • Refcount: no ANativeWindow_acquire is issued and there is no Drop that would ANativeWindow_release. The caller’s reference must outlive this value and every Clone of it — park it in keep_alive, or hold it directly when that is None. Releasing while a clone survives is a use-after-free.
  • This is an output-side handle: the interop layer renders into it and never treats it as an import source. The caller must not concurrently dequeue or lock buffers from the same window, since ANativeWindow has a single producer slot.
  • AndroidNativeWindowHandle is Send + Sync; the caller asserts the window may be driven from the interop thread rather than the one that created it.
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pub fn window(&self) -> *mut c_void

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pub fn keep_alive(&self) -> Option<&KeepAlive>

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impl Clone for AndroidNativeWindowHandle

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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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 Send for AndroidNativeWindowHandle

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impl Sync for AndroidNativeWindowHandle

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> MaybeSend for T
where T: Send + ?Sized,

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impl<T> MaybeSendSync for T
where T: Send + Sync + ?Sized,

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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

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type Error = !

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

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.
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impl<T> WasmNotSend for T
where T: Send,

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impl<T> WasmNotSendSync for T

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impl<T> WasmNotSync for T
where T: Sync,