def in_the_middle(video):
# Create a single-frame frame range in the middle of the video
video_range = (video, 10, 5)
frame_range = mosher.FrameRange(*video_range)
expected = Expected(*video_range)
return (frame_range, indices, expected)
def at_the_beginning(video):
# Create a range of 5 frames at the beginning of the video
video_range = (video, 0, 5)
frame_range = mosher.FrameRange(*video_range)
expected = Expected(*video_range)
return (frame_range, indices, expected)
def I(self):
"""Get the I-frame as a FrameRange
The range is 1 frame long, so only index 0 works (and its equivalents).
"""
if self._iframe is None:
self._iframe = mosher.FrameRange(self, 0, 1)
return self._iframe
def P(self):
"""Get P-frames as a FrameRange
P-frames are indexed from 0.
P[0] is the second frame of the video.
"""
if self._pframe is None:
self._pframe = mosher.FrameRange(self, 1, self.frame_count - 1)
return self._pframe