Trait gstreamer_base::subclass::base_transform::BaseTransformImplExt

source · 
pub trait BaseTransformImplExt: ObjectSubclass {

Show 24 methods    fn parent_start(&self) -> Result<(), ErrorMessage>;
    fn parent_stop(&self) -> Result<(), ErrorMessage>;
    fn parent_transform_caps(
        &self,
        direction: PadDirection,
        caps: &Caps,
        filter: Option<&Caps>
    ) -> Option<Caps>;
    fn parent_fixate_caps(
        &self,
        direction: PadDirection,
        caps: &Caps,
        othercaps: Caps
    ) -> Caps;
    fn parent_set_caps(
        &self,
        incaps: &Caps,
        outcaps: &Caps
    ) -> Result<(), LoggableError>;
    fn parent_accept_caps(&self, direction: PadDirection, caps: &Caps) -> bool;
    fn parent_query(&self, direction: PadDirection, query: &mut QueryRef) -> bool;
    fn parent_transform_size(
        &self,
        direction: PadDirection,
        caps: &Caps,
        size: usize,
        othercaps: &Caps
    ) -> Option<usize>;
    fn parent_unit_size(&self, caps: &Caps) -> Option<usize>;
    fn parent_sink_event(&self, event: Event) -> bool;
    fn parent_src_event(&self, event: Event) -> bool;
    fn parent_prepare_output_buffer(
        &self,
        inbuf: InputBuffer<'_>
    ) -> Result<PrepareOutputBufferSuccess, FlowError>;
    fn parent_transform(
        &self,
        inbuf: &Buffer,
        outbuf: &mut BufferRef
    ) -> Result<FlowSuccess, FlowError>;
    fn parent_transform_ip(
        &self,
        buf: &mut BufferRef
    ) -> Result<FlowSuccess, FlowError>;
    fn parent_transform_ip_passthrough(
        &self,
        buf: &Buffer
    ) -> Result<FlowSuccess, FlowError>;
    fn parent_propose_allocation(
        &self,
        decide_query: Option<&Allocation>,
        query: &mut Allocation
    ) -> Result<(), LoggableError>;
    fn parent_decide_allocation(
        &self,
        query: &mut Allocation
    ) -> Result<(), LoggableError>;
    fn parent_copy_metadata(
        &self,
        inbuf: &BufferRef,
        outbuf: &mut BufferRef
    ) -> Result<(), LoggableError>;
    fn parent_transform_meta<'a>(
        &self,
        outbuf: &mut BufferRef,
        meta: MetaRef<'a, Meta>,
        inbuf: &'a BufferRef
    ) -> bool;
    fn parent_before_transform(&self, inbuf: &BufferRef);
    fn parent_submit_input_buffer(
        &self,
        is_discont: bool,
        inbuf: Buffer
    ) -> Result<FlowSuccess, FlowError>;
    fn parent_generate_output(&self) -> Result<GenerateOutputSuccess, FlowError>;
    fn take_queued_buffer(&self) -> Option<Buffer>
    where
        Self: ObjectSubclass,
        <Self as ObjectSubclass>::ParentType: IsA<BaseTransform>;
    fn queued_buffer(&self) -> Option<Buffer>
    where
        Self: ObjectSubclass,
        <Self as ObjectSubclass>::ParentType: IsA<BaseTransform>;

}

Required Methods

Implementors