QVideoWindowControl Class

  QVideoWindowControl *windowControl = mediaService->requestControl<QVideoWindowControl *>();
  windowControl->setWinId(widget->winId());
  windowControl->setDisplayRect(widget->rect());
  windowControl->setAspectRatioMode(Qt::KeepAspectRatio);

成员函数

[protected] QVideoWindowControl::QVideoWindowControl(QObject *parent = Q_NULLPTR)

Constructs a new video window control with the given parent.

QVideoWindowControl::~QVideoWindowControl()

Destroys a video window control.

[pure virtual] Qt::AspectRatioMode QVideoWindowControl::aspectRatioMode() const

Returns how video is scaled to fit the display region with respect to its aspect ratio.

参见 setAspectRatioMode().

[pure virtual] int QVideoWindowControl::brightness() const

Returns the brightness adjustment applied to a video overlay.

Valid brightness values range between -100 and 100, the default is 0.

参见 setBrightness().

[signal] void QVideoWindowControl::brightnessChanged(int brightness)

Signals that a video overlay's brightness adjustment has changed.

[pure virtual] int QVideoWindowControl::contrast() const

Returns the contrast adjustment applied to a video overlay.

Valid contrast values range between -100 and 100, the default is 0.

参见 setContrast().

[signal] void QVideoWindowControl::contrastChanged(int contrast)

Signals that a video overlay's contrast adjustment has changed.

[pure virtual] QRect QVideoWindowControl::displayRect() const

Returns the sub-rect of a window where video is displayed.

参见 setDisplayRect().

[signal] void QVideoWindowControl::fullScreenChanged(bool fullScreen)

Signals that the fullScreen state of a video overlay has changed.

[pure virtual] int QVideoWindowControl::hue() const

Returns the hue adjustment applied to a video overlay.

Value hue values range between -100 and 100, the default is 0.

参见 setHue().

[signal] void QVideoWindowControl::hueChanged(int hue)

Signals that a video overlay's hue adjustment has changed.

[pure virtual] bool QVideoWindowControl::isFullScreen() const

Identifies if a video overlay is a fullScreen overlay.

Returns true if the video overlay is fullScreen, and false otherwise.

[pure virtual] QSize QVideoWindowControl::nativeSize() const

Returns a suggested size for the video display based on the resolution and aspect ratio of the video.

[signal] void QVideoWindowControl::nativeSizeChanged()

Signals that the native dimensions of the video have changed.

[pure virtual] void QVideoWindowControl::repaint()

Repaints the last frame.

[pure virtual] int QVideoWindowControl::saturation() const

Returns the saturation adjustment applied to a video overlay.

Value saturation values range between -100 and 100, the default is 0.

参见 setSaturation().

[signal] void QVideoWindowControl::saturationChanged(int saturation)

Signals that a video overlay's saturation adjustment has changed.

[pure virtual] void QVideoWindowControl::setAspectRatioMode(Qt::AspectRatioMode mode)

Sets the aspect ratio mode which determines how video is scaled to the fit the display region with respect to its aspect ratio.

参见 aspectRatioMode().

[pure virtual] void QVideoWindowControl::setBrightness(int brightness)

Sets a brightness adjustment for a video overlay.

Valid brightness values range between -100 and 100, the default is 0.

参见 brightness().

[pure virtual] void QVideoWindowControl::setContrast(int contrast)

Sets the contrast adjustment for a video overlay.

Valid contrast values range between -100 and 100, the default is 0.

参见 contrast().

[pure virtual] void QVideoWindowControl::setDisplayRect(const QRect &rect)

Sets the sub-rect of a window where video is displayed.

参见 displayRect().

[pure virtual] void QVideoWindowControl::setFullScreen(bool fullScreen)

Sets whether a video overlay is a fullScreen overlay.

参见 isFullScreen().

[pure virtual] void QVideoWindowControl::setHue(int hue)

Sets a hue adjustment for a video overlay.

Valid hue values range between -100 and 100, the default is 0.

参见 hue().

[pure virtual] void QVideoWindowControl::setSaturation(int saturation)

Sets a saturation adjustment for a video overlay.

Valid saturation values range between -100 and 100, the default is 0.

参见 saturation().

[pure virtual] void QVideoWindowControl::setWinId(WId id)

Sets the id of the window a video overlay end point renders to.

参见 winId().

[pure virtual] WId QVideoWindowControl::winId() const

Returns the ID of the window a video overlay end point renders to.

参见 setWinId().