pub trait BaseTransformImpl: BaseTransformImplExt + ElementImpl {
const MODE: BaseTransformMode;
const PASSTHROUGH_ON_SAME_CAPS: bool;
const TRANSFORM_IP_ON_PASSTHROUGH: bool;
Show 22 methods
fn start(&self) -> Result<(), ErrorMessage> { ... }
fn stop(&self) -> Result<(), ErrorMessage> { ... }
fn transform_caps(
&self,
direction: PadDirection,
caps: &Caps,
filter: Option<&Caps>
) -> Option<Caps> { ... }
fn fixate_caps(
&self,
direction: PadDirection,
caps: &Caps,
othercaps: Caps
) -> Caps { ... }
fn set_caps(&self, incaps: &Caps, outcaps: &Caps) -> Result<(), LoggableError> { ... }
fn accept_caps(&self, direction: PadDirection, caps: &Caps) -> bool { ... }
fn query(&self, direction: PadDirection, query: &mut QueryRef) -> bool { ... }
fn transform_size(
&self,
direction: PadDirection,
caps: &Caps,
size: usize,
othercaps: &Caps
) -> Option<usize> { ... }
fn unit_size(&self, caps: &Caps) -> Option<usize> { ... }
fn sink_event(&self, event: Event) -> bool { ... }
fn src_event(&self, event: Event) -> bool { ... }
fn prepare_output_buffer(
&self,
inbuf: InputBuffer<'_>
) -> Result<PrepareOutputBufferSuccess, FlowError> { ... }
fn transform(
&self,
inbuf: &Buffer,
outbuf: &mut BufferRef
) -> Result<FlowSuccess, FlowError> { ... }
fn transform_ip(&self, buf: &mut BufferRef) -> Result<FlowSuccess, FlowError> { ... }
fn transform_ip_passthrough(
&self,
buf: &Buffer
) -> Result<FlowSuccess, FlowError> { ... }
fn propose_allocation(
&self,
decide_query: Option<&Allocation>,
query: &mut Allocation
) -> Result<(), LoggableError> { ... }
fn decide_allocation(
&self,
query: &mut Allocation
) -> Result<(), LoggableError> { ... }
fn copy_metadata(
&self,
inbuf: &BufferRef,
outbuf: &mut BufferRef
) -> Result<(), LoggableError> { ... }
fn transform_meta<'a>(
&self,
outbuf: &mut BufferRef,
meta: MetaRef<'a, Meta>,
inbuf: &'a BufferRef
) -> bool { ... }
fn before_transform(&self, inbuf: &BufferRef) { ... }
fn submit_input_buffer(
&self,
is_discont: bool,
inbuf: Buffer
) -> Result<FlowSuccess, FlowError> { ... }
fn generate_output(&self) -> Result<GenerateOutputSuccess, FlowError> { ... }