快捷方式¶
特效与滤波¶
模糊视频中的所有帧¶
from skimage.filter import gaussian_filter
from moviepy.editor import VideoFileClip
def blur(image):
""" Returns a blurred (radius=2 pixels) version of the image """
return gaussian_filter(image.astype(float), sigma=2)
clip = VideoFileClip("my_video.mp4")
clip_blurred = clip.fl_image( blur )
clip_blurred.write_videofile("blurred_video.mp4")
剪切视频¶
场景侦测¶
gif动图制作艺术¶
无用却有趣的操作¶
获取视频的平均帧¶
from moviepy.editor import VideoFileClip, ImageClip
clip = VideoFileClip("video.mp4")
fps= 1.0 # take one frame per second
nframes = clip.duration*fps # total number of frames used
total_image = sum(clip.iter_frames(fps,dtype=float,progress_bar=True))
average_image = ImageClip(total_image/ nframes)
average_image.save_frame("average_test.png")