OpenCVCameraIsolate class

A CameraIsolate that reads cameras using package:opencv_dart.

Inheritance

Constructors

OpenCVCameraIsolate({required CameraDetails details})
Creates a new manager for the given camera and default details.

Properties

camera ↔ VideoCapture?
The native camera object from OpenCV.
getter/setter pair
details → CameraDetails
Holds the current details of the camera.
finalinherited
fpsCount ↔ int
Records how many FPS this camera is actually running at.
getter/setter pairinherited
fpsTimer ↔ Timer?
A timer to log out the fpsCount every 5 seconds using sendLog.
getter/setter pairinherited
frameTimer ↔ Timer?
A timer to read from the camera at an FPS given by details.
getter/setter pairinherited
hashCode → int
The hash code for this object.
no setterinherited
id → Object
A unique identifier for this child to identify itself to the parent.
finalinherited
isReadingFrame ↔ bool
Whether the camera is currently reading a frame.
getter/setter pairinherited
name → CameraName
The name of this camera (where it is on the rover).
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
statusTimer ↔ Timer?
A timer to periodically send the camera status to the dashboard.
getter/setter pairinherited
stream → Stream<VideoCommand>
A broadcast stream of all messages from the parent.
no setterinherited

Methods

dispose() → void
Disposes of this camera and all other resources.
inherited
disposeCamera() → void
Closes and releases the camera.
override
initCamera() → void
Initializes the camera and starts streaming.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onData(VideoCommand data) → void
A callback to run when new data is received from the parent.
inherited
onSpawn() → Future<void>
Runs when the child isolate is spawned, after registerWithParent is called.
inherited
registerWithParent(TypedSendPort<ChildIsolatePayload<IsolatePayload, VideoCommand>> port) → Future<void>
Registers this child with its parent.
inherited
sendFrame(Uint8List image, {CameraDetails? detailsOverride}) → void
Sends an individual frame to the dashboard.
inherited
sendFrames() → Future<void>
Reads a frame from the camera and sends it to the dashboard.
override
sendLog(LogLevel level, String message) → void
Logs a message by sending a LogPayload to the parent isolate.
inherited
sendStatus([dynamic _]) → void
Sends the current status to the dashboard.
inherited
sendToParent(IsolatePayload obj) → void
Sends data to the parent isolate.
inherited
start() → void
Starts the camera and timers.
inherited
stop() → void
Cancels all timers and stops reading the camera.
inherited
toString() → String
A string representation of this object.
inherited
updateDetails(CameraDetails newDetails) → void
Updates the camera's details, which will take effect on the next sendFrame call.
override

Operators

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