Struct Spectrum 

pub struct Spectrum(pub Vec<u8>);

A frequency spectrum of the audio currently being played.

Each byte is one bin’s magnitude in decibels, scaled linearly from SPECTRUM_MIN_DB to SPECTRUM_MAX_DB onto 0..=255 and clamped - the same contract as Web Audio’s getByteFrequencyData, so a client can run the site’s own mapping arithmetic unchanged. Bins run from lowest frequency to highest.

Carried base64-encoded rather than as an array of 1024 numbers: roughly 1.4 KB per snapshot instead of 4 KB, and the snapshot stays readable.

Tuple Fields

0: Vec<u8>

Implementations

impl Spectrum

pub fn silent() -> Self

A spectrum reporting no signal in any bin.

pub fn bin(&self, index: usize) -> u8

The bin at index, or 0 when the index is past the end.

Not an error: the client’s bin table is fixed while the length here is a wire value, so a short frame reads as silence rather than panicking mid-draw.

Trait Implementations

impl Clone for Spectrum

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Spectrum

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Spectrum

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl Eq for Spectrum

impl PartialEq for Spectrum

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Spectrum

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Spectrum