(self, dst=None)
| 64 | pass |
| 65 | |
| 66 | def read(self, dst=None): |
| 67 | w, h = self.frame_size |
| 68 | |
| 69 | if self.bg is None: |
| 70 | buf = np.zeros((h, w, 3), np.uint8) |
| 71 | else: |
| 72 | buf = self.bg.copy() |
| 73 | |
| 74 | self.render(buf) |
| 75 | |
| 76 | if self.noise > 0.0: |
| 77 | noise = np.zeros((h, w, 3), np.int8) |
| 78 | cv2.randn(noise, np.zeros(3), np.ones(3)*255*self.noise) |
| 79 | buf = cv2.add(buf, noise, dtype=cv2.CV_8UC3) |
| 80 | return True, buf |
| 81 | |
| 82 | def isOpened(self): |
| 83 | return True |