PadBuilder

gstreamer

Struct PadBuilder 

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pub struct PadBuilder<T> { /* private fields */ }

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impl<T: IsA<GhostPad> + IsA<Pad>> PadBuilder<T>

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pub fn proxy_pad_activate_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn proxy_pad_activate_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn proxy_pad_activatemode_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, PadMode, bool) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn proxy_pad_activatemode_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, PadMode, bool) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn proxy_pad_chain_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, Buffer) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_chain_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, Buffer) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_chain_list_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, BufferList) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_chain_list_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, BufferList) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_event_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, Event) -> bool + Send + Sync + 'static,

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pub fn proxy_pad_event_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, Event) -> bool + Send + Sync + 'static,

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pub fn proxy_pad_event_full_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, Event) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_event_full_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, Event) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_getrange_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, u64, Option<&mut BufferRef>, u32) -> Result<PadGetRangeSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_getrange_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, u64, Option<&mut BufferRef>, u32) -> Result<PadGetRangeSuccess, FlowError> + Send + Sync + 'static,

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pub fn proxy_pad_query_function<F>(self, func: F) -> Self
where F: Fn(&ProxyPad, Option<&Object>, &mut QueryRef) -> bool + Send + Sync + 'static,

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pub fn proxy_pad_query_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&ProxyPad, Option<&Object>, &mut QueryRef) -> bool + Send + Sync + 'static,

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pub fn proxy_pad_flags(self, flags: PadFlags) -> Self

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pub fn proxy_pad_flags_if_some(self, flags: Option<PadFlags>) -> Self

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pub fn with_target<P: IsA<Pad> + IsA<Object>>( self, target: &P, ) -> Result<Self, BoolError>

Specifies a target Pad for the GhostPad.

If the PadBuilder was created from a PadTemplate and the PadTemplate has a specific name_template, i.e. if it’s not a wildcard-name containing %u, %s or %d, the GhostPad will automatically be named after the name_template.

If the name_template is a wildcard-name, then the target name is used, if it is compatible. Otherwise, a specific name must be provided using PadBuilder::name or PadBuilder::name_if_some.

Use generated_name() to keep the gst::Object automatically generated unique name.

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impl<T: IsA<Pad> + IsA<Object> + IsClass> PadBuilder<T>

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pub fn new(direction: PadDirection) -> Self

Creates a PadBuilder with the specified PadDirection.

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pub fn from_static_template(templ: &StaticPadTemplate) -> Self

Creates a PadBuilder from the specified StaticPadTemplate.

If the StaticPadTemplate has a specific name_template, i.e. if it’s not a wildcard-name containing %u, %s or %d, the Pad will automatically be named after the name_template.

Use generated_name() to keep the gst::Object automatically generated unique name.

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pub fn from_template(templ: &PadTemplate) -> Self

Creates a PadBuilder from the specified PadTemplate.

If the PadTemplate has a specific name_template, i.e. if it’s not a wildcard-name containing %u, %s or %d, the Pad will automatically be named after the name_template.

Use generated_name() to keep the gst::Object automatically generated unique name.

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pub fn generated_name(self) -> Self

Uses the gst::Object generated unique name.

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pub fn name(self, name: impl Into<String>) -> Self

Sets the name of the Pad.

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pub fn maybe_name<N: Into<String>>(self, name: Option<N>) -> Self

👎Deprecated: use name_if_some() instead

Optionally sets the name of the Pad.

This method is convenient when the name is provided as an Option. If the name is None, this has no effect.

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pub fn name_if_some<N: Into<String>>(self, name: Option<N>) -> Self

Optionally sets the name of the Pad.

This method is convenient when the name is provided as an Option. If the name is None, this has no effect.

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pub fn activate_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn activate_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn activatemode_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, PadMode, bool) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn activatemode_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, PadMode, bool) -> Result<(), LoggableError> + Send + Sync + 'static,

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pub fn chain_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, Buffer) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn chain_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, Buffer) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn chain_list_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, BufferList) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn chain_list_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, BufferList) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn event_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, Event) -> bool + Send + Sync + 'static,

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pub fn event_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, Event) -> bool + Send + Sync + 'static,

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pub fn event_full_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, Event) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn event_full_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, Event) -> Result<FlowSuccess, FlowError> + Send + Sync + 'static,

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pub fn getrange_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, u64, Option<&mut BufferRef>, u32) -> Result<PadGetRangeSuccess, FlowError> + Send + Sync + 'static,

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pub fn getrange_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, u64, Option<&mut BufferRef>, u32) -> Result<PadGetRangeSuccess, FlowError> + Send + Sync + 'static,

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pub fn query_function<F>(self, func: F) -> Self
where F: Fn(&T, Option<&Object>, &mut QueryRef) -> bool + Send + Sync + 'static,

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pub fn query_function_if_some<F>(self, func: Option<F>) -> Self
where F: Fn(&T, Option<&Object>, &mut QueryRef) -> bool + Send + Sync + 'static,

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pub fn flags(self, flags: PadFlags) -> Self

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pub fn flags_if_some(self, flags: Option<PadFlags>) -> Self

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pub fn build(self) -> T

Builds the Pad.

§Panics

Panics if the Pad was built from a PadTemplate with a wildcard-name name_template (i.e. containing %u, %s or %d) and no specific name was provided using PadBuilder::name or PadBuilder::name_if_some, or for GhostPads, by defining a target.

Use generated_name() to keep the gst::Object automatically generated unique name.

Auto Trait Implementations§

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impl<T> Freeze for PadBuilder<T>
where T: Freeze,

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impl<T> RefUnwindSafe for PadBuilder<T>
where T: RefUnwindSafe,

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impl<T> Send for PadBuilder<T>
where T: Send,

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

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impl<T> Unpin for PadBuilder<T>
where T: Unpin,

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impl<T> UnwindSafe for PadBuilder<T>
where T: UnwindSafe,

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> 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, 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.