QVideoWidget Class

  player = new QMediaPlayer;

  playlist = new QMediaPlaylist(player);
  playlist->addMedia(QUrl("http://example.com/myclip1.mp4"));
  playlist->addMedia(QUrl("http://example.com/myclip2.mp4"));

  videoWidget = new QVideoWidget;
  player->setVideoOutput(videoWidget);

  videoWidget->show();
  playlist->setCurrentIndex(1);
  player->play();

成员函数

QVideoWidget::QVideoWidget(QWidget *parent = Q_NULLPTR)

Constructs a new video widget.

The parent is passed to QWidget.

QVideoWidget::~QVideoWidget()

Destroys a video widget.

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

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

Note: Notifier signal for property brightness.

参见 brightness().

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

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

Note: Notifier signal for property contrast.

参见 contrast().

[protected] bool QVideoWidget::event(QEvent *event)

Current event event. Returns the value of the baseclass QWidget::event(QEvent *event) function.

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

Signals that the fullScreen mode of a video widget has changed.

Note: Notifier signal for property fullScreen.

参见 isFullScreen().

[override virtual protected] void QVideoWidget::hideEvent(QHideEvent *event)

Reimplemented from QWidget::hideEvent().

Handles the hide event.

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

Signals that a video widgets's hue has changed.

Note: Notifier signal for property hue.

参见 hue().

[override virtual protected] void QVideoWidget::moveEvent(QMoveEvent *event)

Reimplemented from QWidget::moveEvent().

Handles the move event.

[override virtual protected] void QVideoWidget::paintEvent(QPaintEvent *event)

Reimplemented from QWidget::paintEvent().

Handles the paint event.

[override virtual protected] void QVideoWidget::resizeEvent(QResizeEvent *event)

Reimplemented from QWidget::resizeEvent().

Handles the resize event.

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

Signals that a video widgets's saturation has changed.

Note: Notifier signal for property saturation.

参见 saturation().

[override virtual protected] void QVideoWidget::showEvent(QShowEvent *event)

Reimplemented from QWidget::showEvent().

Handles the show event.

[override virtual] QSize QVideoWidget::sizeHint() const

Reimplemented from QWidget::sizeHint().

Returns the size hint for the current back end, if there is one, or else the size hint from QWidget.