Trait gst_plugin::element::ElementImpl

pub trait ElementImpl<T: ElementBase>: ObjectImpl<T> + AnyImpl + Send + Sync + 'static where
    T::InstanceStructType: PanicPoison, {
    fn change_state(
        &self, 
        element: &T, 
        transition: StateChange
    ) -> StateChangeReturn { ... }
    fn request_new_pad(
        &self, 
        _element: &T, 
        _templ: &PadTemplate, 
        _name: Option<String>, 
        _caps: Option<&CapsRef>
    ) -> Option<Pad> { ... }
    fn release_pad(&self, _element: &T, _pad: &Pad) { ... }
    fn send_event(&self, element: &T, event: Event) -> bool { ... }
    fn query(&self, element: &T, query: &mut QueryRef) -> bool { ... }
    fn set_context(&self, element: &T, context: &Context) { ... }
}

Provided Methods

fn change_state(
    &self,
    element: &T,
    transition: StateChange
) -> StateChangeReturn

fn request_new_pad(
    &self,
    _element: &T,
    _templ: &PadTemplate,
    _name: Option<String>,
    _caps: Option<&CapsRef>
) -> Option<Pad>

fn release_pad(&self, _element: &T, _pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

Methods

impl<T: ElementBase> ElementImpl<T> where     T::InstanceStructType: PanicPoison,

pub fn downcast_ref<U: ElementImpl<T>>(&self) -> Option<&U>

Important traits for &'a mut R

impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

pub unsafe fn downcast_ref_unchecked<U: ElementImpl<T>>(&self) -> &U

pub fn is<U: ElementImpl<T>>(&self) -> bool

Implementations on Foreign Types

impl<T: ElementBase> ElementImpl<T> for Box<ElementImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

impl<T: ElementBase> ElementImpl<T> for Box<BinImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

impl<T: ElementBase> ElementImpl<T> for Box<PipelineImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

impl<T: ElementBase> ElementImpl<T> for Box<BaseSrcImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

impl<T: ElementBase> ElementImpl<T> for Box<BaseSinkImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

impl<T: ElementBase> ElementImpl<T> for Box<BaseTransformImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

impl<T: ElementBase> ElementImpl<T> for Box<AggregatorImpl<T>> where     T::InstanceStructType: PanicPoison,

fn change_state(     &self,     element: &T,     transition: StateChange ) -> StateChangeReturn

fn request_new_pad(     &self,     element: &T,     templ: &PadTemplate,     name: Option<String>,     caps: Option<&CapsRef> ) -> Option<Pad>

fn release_pad(&self, element: &T, pad: &Pad)

fn send_event(&self, element: &T, event: Event) -> bool

fn query(&self, element: &T, query: &mut QueryRef) -> bool

fn set_context(&self, element: &T, context: &Context)

Implementors