14 lines
421 B
Python
14 lines
421 B
Python
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import numpy as np
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def supersample(clip, d, nframes):
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""" Replaces each frame at time t by the mean of `nframes` equally spaced frames
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taken in the interval [t-d, t+d]. This results in motion blur."""
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def fl(gf, t):
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tt = np.linspace(t-d, t+d, nframes)
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avg = np.mean(1.0*np.array([gf(t_) for t_ in tt], dtype='uint16'), axis=0)
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return avg.astype("uint8")
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return clip.fl(fl)
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