nexxT.services.SrvRecordingControl module

This module provides the recording control console service for the nexxT framework.

class nexxT.services.SrvRecordingControl.MVCRecordingControlBase(config)

Bases: QObject

Base class for interacting with playback controller, usually this is connected to a harddisk player.

__init__(self, /, parent: PySide6.QtCore.QObject | None = None, *, objectName: str | None = None) → None

Initialize self. See help(type(self)) for accurate signature.

notifyError

removeConnections(recordingDevice)

unregisters the given recordingDevice and disconnects all. It is intended that this function is called in the onStop(…) method of a filter.

Parameters:

recordingDevice – the recording device to be unregistered.

Returns:

None

setupConnections(recordingDevice)

Sets up signal/slot connections between this view/controller instance and the given playbackDevice. This function is thread safe and shall be called by a direct QT connection. It is intended, that this function is called in the onStart(…) method of a filter. It expects recordingDevice to provide the following slots:

• startRecording(str directory) (starts recording DataSamples)

• stopRecording() (stop the recording)

It expects recordingDevice to provide the following signals (all signals are optional):

• statusUpdate(str file, float lengthInSeconds, int bytesWritten)

• notifyError(str errorDescription)

Parameters:

recordingDevice – a QObject providing the aforementioned signals and slots

Returns:

startRecording(directory)

Starts the recording in the given directory

Parameters:

directory – The directory where to store the recordings

Returns:

stateChanged(state)

Stops the recording when application is stopped.

Parameters:

state – the new filter state

Returns:

staticMetaObject = PySide6.QtCore.QMetaObject("MVCRecordingControlBase" inherits "QObject": Methods:   #4 type=Signal, signature=_startRecording(QString), parameters=QString   #5 type=Signal, signature=_stopRecording()   #6 type=Signal, signature=statusUpdate(QObject*,QString,double,qlonglong), parameters=QObject*, QString, double, qlonglong   #7 type=Signal, signature=notifyError(QObject*,QString), parameters=QObject*, QString   #8 type=Slot, signature=setupConnections(QObject*), parameters=QObject*   #9 type=Slot, signature=removeConnections(QObject*), parameters=QObject*   #10 type=Slot, signature=_statusUpdate(QString,double,qlonglong), parameters=QString, double, qlonglong   #11 type=Slot, signature=stateChanged(int), parameters=int )

statusUpdate

stopRecording()

Stops the recording.

Returns: