CaptureSession class abstract interface

An active microphone capture.

The audio thread reduces each hop to a CaptureFrame and publishes it through a lock-free ring. This session drains that ring on a timer. No PCM crosses into Dart, and no step in the path allocates on the audio thread.

Implementers

Properties

config CaptureConfig
no setter
dropped int
Hops that the consumer was too slow to collect.
no setter
frames Stream<CaptureFrame>
Reduced frames, in order.
no setter
hashCode int
The hash code for this object.
no setterinherited
isPaused bool
Whether the device is stopped but the take is intact.
no setter
isRecording bool
no setter
pcmDropped int
Samples that the audio ring dropped because the file writer was too slow.
no setter
produced int
Hops that the audio thread produced.
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scope CaptureScope
A rolling window of recent frames, for a painter to draw.
no setter
truncated bool
Whether the history is more than CaptureConfig.maxDuration.
no setter

Methods

dispose() Future<void>
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
pause() Future<void>
Stops the device and keeps the take.
resume() Future<void>
start() Future<void>
stop() Future<WaveformPeaks>
Stops the device and returns peaks for all the audio that it captured.
toString() String
A string representation of this object.
inherited

Operators

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