def start(self, _format):
imageFormat = QVideoFrame.imageFormatFromPixelFormat(_format.pixelFormat())
size = _format.frameSize()
if (imageFormat != QImage.Format_Invalid and not size.isEmpty()):
self.imageFormat = imageFormat
self.imageSize = size
self.sourceRect = _format.viewport()
QAbstractVideoSurface.start(self, _format)
self.widget.updateGeometry()
self.updateVideoRect()
return True
else:
return False
def stop(self):
self.currentFrame = QVideoFrame()
self.targetRect = QRect()
QAbstractVideoSurface.stop(self)
self.widget.update()
def stop(self):
''' Stop Video '''
self._currentFrame = QVideoFrame()
self._targetRect = QRect()
QAbstractVideoSurface.stop(self)
self.widget.update()
def stop(self):
QAbstractVideoSurface.stop(self)
def start(self, format):
return QAbstractVideoSurface.start(self, format)
def __init__(self, new_frame_cb):
self._rgba_image = None # Numpy uint8 array of size (h, w, 4)
self._new_frame_cb = new_frame_cb
QAbstractVideoSurface.__init__(self)
