58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
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from moviepy.decorators import apply_to_mask
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from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
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from .crop import crop
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#@apply_to_mask
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def freeze_region(clip, t=0, region=None, outside_region=None, mask=None):
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""" Freezes one region of the clip while the rest remains animated.
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You can choose one of three methods by providing either `region`,
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`outside_region`, or `mask`.
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Parameters
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-----------
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t
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Time at which to freeze the freezed region.
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region
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A tuple (x1, y1, x2, y2) defining the region of the screen (in pixels)
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which will be freezed. You can provide outside_region or mask instead.
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outside_region
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A tuple (x1, y1, x2, y2) defining the region of the screen (in pixels)
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which will be the only non-freezed region.
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mask
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If not None, will overlay a freezed version of the clip on the current clip,
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with the provided mask. In other words, the "visible" pixels in the mask
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indicate the freezed region in the final picture.
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"""
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if region is not None:
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x1, y1, x2, y2 = region
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freeze = (clip.fx(crop, *region)
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.to_ImageClip(t=t)
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.set_duration(clip.duration)
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.set_position((x1,y1)))
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return CompositeVideoClip([clip, freeze])
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elif outside_region is not None:
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x1, y1, x2, y2 = outside_region
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animated_region = (clip.fx(crop, *outside_region)
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.set_position((x1,y1)))
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freeze = (clip.to_ImageClip(t=t)
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.set_duration(clip.duration))
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return CompositeVideoClip([freeze, animated_region])
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elif mask is not None:
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freeze = (clip.to_ImageClip(t=t)
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.set_duration(clip.duration)
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.set_mask(mask))
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return CompositeVideoClip([clip, freeze])
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