def getScreenGrayscale(self):
		frame = self.getScreenRGB()
		frame = 0.21*frame[:, :, 0] + 0.72*frame[:, :, 1] + 0.07*frame[:, :, 2]
		frame = np.round(frame).astype(np.uint8)

		return frame
Decrement the reference count of a libvlc instance, and destroy it
dataset/ETHPy150Open ntasfi/PyGame-Learning-Environment/ple/ple.py/PLE.getScreenGrayscale--crossover with--dataset/ETHPy150Open disqus/playa/playa/lib/vlc.py/libvlc_release