Struct TempoMap 

pub struct TempoMap { /* private fields */ }

Tempo map: tempo changes across a session.

Implementations

impl TempoMap

pub fn new(default_bpm: f64) -> Self

Create a new tempo map with a default BPM.

pub fn add_marking(&mut self, beat: f64, bpm: f64, label: Option<String>)

Add a tempo marking at a given beat.

pub fn bpm_at_beat(&self, beat: f64) -> f64

Look up the BPM at a given beat position.

pub fn total_beats(&self) -> f64

Total beats in the map.

pub fn entry_count(&self) -> usize

Number of tempo entries.

pub fn is_empty(&self) -> bool

Whether the map is empty.

pub fn entries(&self) -> &[TempoMapEntry]

Get all entries.

pub fn total_duration(&self) -> Duration

Compute the total duration of the map at the given tempos.

Trait Implementations

impl Clone for TempoMap

fn clone(&self) -> TempoMap

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TempoMap

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

Formats the value using the given formatter.