QMediaRecorderControl

The QMediaRecorderControl class provides access to the recording functionality of a QMediaService . More…

Detailed Description

Generally you will use the QMediaRecorder class in application code - this class is mostly used when implementing a new QMediaService or if there is access to specific low level functionality not otherwise present in QMediaRecorder .

If a QMediaService can record media it will implement QMediaRecorderControl . This control provides a means to set the output location , and record, pause and stop recording via the setState() method. It also provides feedback on the duration of the recording.

The interface name of QMediaRecorderControl is org.qt-project.qt.mediarecordercontrol/5.0 as defined in QMediaRecorderControl_iid .

See also

requestControl() QMediaRecorder

class QMediaRecorderControl([parent=None])

param parent

QObject

Constructs a media recorder control with the given parent .

PySide2.QtMultimedia.QMediaRecorderControl.actualLocationChanged(location)

Parameters

location – QUrl

PySide2.QtMultimedia.QMediaRecorderControl.applySettings()

Commits the encoder settings and performs pre-initialization to reduce delays when recording is started.

PySide2.QtMultimedia.QMediaRecorderControl.duration()

Return type

qint64

Return the current duration in milliseconds.

PySide2.QtMultimedia.QMediaRecorderControl.durationChanged(position)

Parameters

position – qint64

PySide2.QtMultimedia.QMediaRecorderControl.error(error, errorString)

Parameters

• error – int

• errorString – unicode

PySide2.QtMultimedia.QMediaRecorderControl.isMuted()

Return type

bool

Returns true if the recorder is muted, and false if it is not.

PySide2.QtMultimedia.QMediaRecorderControl.mutedChanged(muted)

Parameters

muted – bool

PySide2.QtMultimedia.QMediaRecorderControl.outputLocation()

Return type

QUrl

Returns the current output location being used.

See also

setOutputLocation()

PySide2.QtMultimedia.QMediaRecorderControl.setMuted(muted)

Parameters

muted – bool

Sets the muted state of a media recorder.

See also

isMuted()

PySide2.QtMultimedia.QMediaRecorderControl.setOutputLocation(location)

Parameters

location – QUrl

Return type

bool

Sets the output location and returns if this operation is successful. If file at the output location already exists, it should be overwritten.

The location can be relative or empty; in this case the service should use the system specific place and file naming scheme.

After recording has started, the backend should report the actual file location with actualLocationChanged() signal.

See also

outputLocation()

PySide2.QtMultimedia.QMediaRecorderControl.setState(state)

Parameters

state – State

Set the media recorder state .

See also

state()

PySide2.QtMultimedia.QMediaRecorderControl.setVolume(volume)

Parameters

volume – qreal

Sets the audio volume of a media recorder control.

The volume is scaled linearly, ranging from 0 (silence) to 100 (full volume).

See also

volume()

PySide2.QtMultimedia.QMediaRecorderControl.state()

Return type

State

Return the current recording state.

See also

setState()

PySide2.QtMultimedia.QMediaRecorderControl.stateChanged(state)

Parameters

state – State

PySide2.QtMultimedia.QMediaRecorderControl.status()

Return type

Status

Return the current recording status.

PySide2.QtMultimedia.QMediaRecorderControl.statusChanged(status)

Parameters

status – Status

PySide2.QtMultimedia.QMediaRecorderControl.volume()

Return type

qreal

Returns the audio volume of a media recorder control.

See also

setVolume()

PySide2.QtMultimedia.QMediaRecorderControl.volumeChanged(volume)

Parameters

volume – qreal