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QAbstractVideoSurface vs QGraphicsVideoItem Performance as a viewfinder surface?

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Okay turns out they are mutually exclusive from what I can tell from the class references because one doesn’t actually give us access to frames.(GraphicsVideoItem) i am guessing with the GraphicsVideoItem path way I would not be able to use the QQuickPaintedItem ? I notice that GraphicsVideoItem has paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0)

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