AudioVisualizer class Audio

Provides audio visualization (waveform data) for the currently playing music.

Delegates platform-specific capture to an AudioVisualizerBackend.

Constructors

AudioVisualizer([int fftSize = 2048])

Properties

fftSize ↔ int
The FFT size. Must be a power of 2 between 32 and 32768.
getter/setter pair
frequencyBinCount → int
The number of frequency bins available.
no setter
hashCode → int
The hash code for this object.
no setterinherited
isSupported → bool
Whether the audio visualizer is supported on the current platform.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

disconnect() → void
Disconnect and release resources.
initFromBackend(AudioBackend backend) → void
Initialize the visualizer from the audio backend.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited
updateWavefromData() → Uint8List
Updates and returns the current waveform (time-domain) data.

Operators

operator ==(Object other) → bool
The equality operator.
inherited