Trait gstreamer_base::subclass::base_src::BaseSrcImplExt[−][src]

pub trait BaseSrcImplExt: ObjectSubclass {

Show methods    fn parent_start(&self, element: &Self::Type) -> Result<(), ErrorMessage>;

    fn parent_stop(&self, element: &Self::Type) -> Result<(), ErrorMessage>;

    fn parent_is_seekable(&self, element: &Self::Type) -> bool;

    fn parent_size(&self, element: &Self::Type) -> Option<u64>;

    fn parent_times(
        &self, 
        element: &Self::Type, 
        buffer: &BufferRef
    ) -> (Option<ClockTime>, Option<ClockTime>);

    fn parent_fill(
        &self, 
        element: &Self::Type, 
        offset: u64, 
        length: u32, 
        buffer: &mut BufferRef
    ) -> Result<FlowSuccess, FlowError>;

    fn parent_alloc(
        &self, 
        element: &Self::Type, 
        offset: u64, 
        length: u32
    ) -> Result<Buffer, FlowError>;

    fn parent_create(
        &self, 
        element: &Self::Type, 
        offset: u64, 
        buffer: Option<&mut BufferRef>, 
        length: u32
    ) -> Result<CreateSuccess, FlowError>;

    fn parent_do_seek(
        &self, 
        element: &Self::Type, 
        segment: &mut Segment
    ) -> bool;

    fn parent_query(&self, element: &Self::Type, query: &mut QueryRef) -> bool;

    fn parent_event(&self, element: &Self::Type, event: &Event) -> bool;

    fn parent_caps(
        &self, 
        element: &Self::Type, 
        filter: Option<&Caps>
    ) -> Option<Caps>;

    fn parent_negotiate(
        &self, 
        element: &Self::Type
    ) -> Result<(), LoggableError>;

    fn parent_set_caps(
        &self, 
        element: &Self::Type, 
        caps: &Caps
    ) -> Result<(), LoggableError>;

    fn parent_fixate(&self, element: &Self::Type, caps: Caps) -> Caps;

    fn parent_unlock(&self, element: &Self::Type) -> Result<(), ErrorMessage>;

    fn parent_unlock_stop(
        &self, 
        element: &Self::Type
    ) -> Result<(), ErrorMessage>;

}

Required methods

Implementors