def do(self, frame: VideoFrame, *_, **__) -> typing.Optional[VideoFrame]:
super().do(frame, *_, **__)
# you can get frame_id and frame data here
# and use them to custom your own function
# add your code here
# ...
# for example, i want to turn grey, and save size of each frames
frame.data = toolbox.turn_grey(frame.data)
self.result[frame.frame_id] = frame.data.shape
# if you are going to change the origin frame
# just return the changed frame
# and set 'overwrite' to 'True' when you are calling __init__
return frame
def do(self, frame: VideoFrame, *_, **__) -> typing.Optional[VideoFrame]:
super().do(frame, *_, **__)
frame.data = toolbox.sharpen_frame(frame.data)
return frame
def do(self, frame: VideoFrame, *_, **__) -> typing.Optional[VideoFrame]:
super().do(frame, *_, **__)
frame.data = toolbox.compress_frame(frame.data,
compress_rate=self.compress_rate,
target_size=self.target_size)
return frame