Method read

官方samples/video.py:92–96

(self, dst=None)

        self.render = TestSceneRender(backGr, fgr, speed = 1)

    def read(self, dst=None):
        noise = np.zeros(self.render.sceneBg.shape, np.int8)
        cv2.randn(noise, np.zeros(3), np.ones(3)*255*self.noise)

        return True, cv2.add(self.render.getNextFrame(), noise, dtype=cv2.CV_8UC3)

class Cube(VideoSynthBase):
    def __init__(self, **kw):