Struct MetadataTimeline 

pub struct MetadataTimeline { /* private fields */ }

A timeline of metadata entries keyed by frame number.

Implementations

impl MetadataTimeline

pub fn new() -> Self

Creates an empty metadata timeline.

pub fn insert(&mut self, frame: u64, meta: TcMetadata)

Adds a metadata entry at the given frame.

pub fn lookup(&self, frame: u64) -> Option<&TcMetadata>

Finds the metadata entry at or before the given frame.

pub fn len(&self) -> usize

Returns the number of entries.

pub fn is_empty(&self) -> bool

Returns whether the timeline is empty.

pub fn entries(&self) -> &[(u64, TcMetadata)]

Returns all entries as a slice.

Trait Implementations

impl Clone for MetadataTimeline

fn clone(&self) -> MetadataTimeline

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MetadataTimeline

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MetadataTimeline

fn default() -> Self

Returns the “default value” for a type.