视频实时情感分析系统

    # -*- coding: utf-8 -*-
    import cv2
    import pandas as pd
    import os
    import time
    import wave
    import numpy as np
    import pickle
    import nextpow2
    from sklearn import preprocessing
    from moviepy.editor import *
    import matplotlib.pyplot as plt
    import matplotlib
    matplotlib.use('TkAgg')
    
    def video_sound(dir):
    video = VideoFileClip(dir)
    audio = video.audio
    audio.write_audiofile(dir_out)
    def extr