log_utils.py 文件源码

def decode(self, data): 
        msg = image_t.decode(data)
        if msg.pixelformat == image_t.PIXEL_FORMAT_GRAY: 
            return im_resize(np.asarray(bytearray(msg.data), dtype=np.uint8).reshape(msg.height, msg.width), scale=self.scale)
        elif msg.pixelformat == image_t.PIXEL_FORMAT_MJPEG: 
            im = cv2.imdecode(np.asarray(bytearray(msg.data), dtype=np.uint8), -1)
            return im_resize(im, scale=self.scale)
        else: 
            raise RuntimeError('Unknown pixelformat for ImageDecoder')