the video widget could not be initialized correctly
the video widget could not be initialized correctly
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::setBrush: Painter not active
QPainter::setPen: Painter not active
QPainter::drawRects: Painter not active
QPainter::drawRects: Painter not active
QPainter::setRenderHint: Painter must be active to set rendering hints
QPainter::setWorldTransform: Painter not active
QPainter::drawRects: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::setBrush: Painter not active
QPainter::setPen: Painter not active
QPainter::drawRects: Painter not active
QPainter::drawRects: Painter not active
QPainter::setRenderHint: Painter must be active to set rendering hints
QPainter::setWorldTransform: Painter not active
QPainter::drawRects: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 1
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