VideoClip.py 文件源码

def __init__(self, img, ismask=False, transparent=True,
                 fromalpha=False, duration=None): # yapf: disable

        VideoClip.__init__(self, ismask=ismask, duration=duration)

        if isinstance(img, str):
            img = imread(img)

        if len(img.shape) == 3:  # img is (now) a RGB(a) numpy array

            if img.shape[2] == 4:
                if fromalpha:
                    img = 1.0 * img[:, :, 3] / 255
                elif ismask:
                    img = 1.0 * img[:, :, 0] / 255
                elif transparent:
                    self.mask = ImageClip(
                        1.0 * img[:, :, 3] / 255, ismask=True)
                    img = img[:, :, :3]
            elif ismask:
                img = 1.0 * img[:, :, 0] / 255

        # if the image was just a 2D mask, it should arrive here
        # unchanged
        self.make_frame = lambda t: img
        self.size = img.shape[:2][::-1]
        self.img = img