Struct Timeline 

pub struct Timeline { /* private fields */ }

A constant-frame-rate video timeline aligned to an audio sample clock.

Implementations

impl Timeline

pub fn new(frame_rate: FrameRate, audio_sample_rate: u32) -> Result<Self>

pub const fn frame_rate(self) -> FrameRate

pub const fn audio_sample_rate(self) -> u32

pub fn audio_interval_for_frame(self, frame: FrameIndex) -> Result<SampleRange>

Returns the exact half-open audio interval covered by a video frame.

Boundaries use floor rounding. Applying the same rule to both sides guarantees that adjacent frame requests neither duplicate nor lose a sample, including fractional rates such as 30000/1001.

pub fn frame_for_audio_sample(self, sample: u64) -> Result<FrameIndex>

Returns the presentation frame containing an audio sample boundary.

This is the inverse of Self::audio_interval_for_frame using floor rounding, so playback driven by an audio clock never selects a future frame.

Trait Implementations

impl Clone for Timeline

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Timeline

impl Debug for Timeline

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

Formats the value using the given formatter.

impl Eq for Timeline

impl PartialEq for Timeline

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Timeline