Trait gstreamer::prelude::PadExt

source · [−]
pub trait PadExt: 'static {

Show 45 methods    fn activate_mode(
        &self, 
        mode: PadMode, 
        active: bool
    ) -> Result<(), BoolError>;

    fn can_link(&self, sinkpad: &impl IsA<Pad>) -> bool;

    fn check_reconfigure(&self) -> bool;

    fn create_stream_id(
        &self, 
        parent: &impl IsA<Element>, 
        stream_id: Option<&str>
    ) -> GString;

    fn forward<P: FnMut(&Pad) -> bool>(&self, forward: P) -> bool;

    fn allowed_caps(&self) -> Option<Caps>;

    fn current_caps(&self) -> Option<Caps>;

    fn direction(&self) -> PadDirection;

    fn last_flow_result(&self) -> Result<FlowSuccess, FlowError>;

    fn offset(&self) -> i64;

    fn pad_template(&self) -> Option<PadTemplate>;

    fn pad_template_caps(&self) -> Caps;

    fn parent_element(&self) -> Option<Element>;

    fn peer(&self) -> Option<Pad>;

    fn single_internal_link(&self) -> Option<Pad>;

    fn stream(&self) -> Option<Stream>;

    fn stream_id(&self) -> Option<GString>;

    fn task_state(&self) -> TaskState;

    fn has_current_caps(&self) -> bool;

    fn is_active(&self) -> bool;

    fn is_blocked(&self) -> bool;

    fn is_blocking(&self) -> bool;

    fn is_linked(&self) -> bool;

    fn link(
        &self, 
        sinkpad: &impl IsA<Pad>
    ) -> Result<PadLinkSuccess, PadLinkError>;

    fn link_full(
        &self, 
        sinkpad: &impl IsA<Pad>, 
        flags: PadLinkCheck
    ) -> Result<PadLinkSuccess, PadLinkError>;

    fn link_maybe_ghosting(&self, sink: &impl IsA<Pad>) -> Result<(), BoolError>;

    fn link_maybe_ghosting_full(
        &self, 
        sink: &impl IsA<Pad>, 
        flags: PadLinkCheck
    ) -> Result<(), BoolError>;

    fn mark_reconfigure(&self);

    fn needs_reconfigure(&self) -> bool;

    fn pause_task(&self) -> Result<(), BoolError>;

    fn peer_query_accept_caps(&self, caps: &Caps) -> bool;

    fn peer_query_caps(&self, filter: Option<&Caps>) -> Caps;

    fn query_accept_caps(&self, caps: &Caps) -> bool;

    fn query_caps(&self, filter: Option<&Caps>) -> Caps;

    fn set_active(&self, active: bool) -> Result<(), BoolError>;

    fn set_offset(&self, offset: i64);

    fn stop_task(&self) -> Result<(), BoolError>;

    fn store_sticky_event(
        &self, 
        event: &Event
    ) -> Result<FlowSuccess, FlowError>;

    fn unlink(&self, sinkpad: &impl IsA<Pad>) -> Result<(), BoolError>;

    fn use_fixed_caps(&self);

    fn caps(&self) -> Option<Caps>;

    fn connect_linked<F: Fn(&Self, &Pad) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;

    fn connect_unlinked<F: Fn(&Self, &Pad) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;

    fn connect_caps_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;

    fn connect_offset_notify<F: Fn(&Self) + Send + Sync + 'static>(
        &self, 
        f: F
    ) -> SignalHandlerId;

}

Required methods

This is supported on crate feature v1_18 only.
This is supported on crate feature v1_10 only.
This is supported on crate feature v1_12 only.
This is supported on crate feature v1_10 only.
This is supported on crate feature v1_10 only.

Implementors