python使用moviepy模块对视频进行操作

 import imageio
 imageio.plugins.ffmpeg.download()
 import sys,os
 from PyQt5.QtCore import *
 from PyQt5.QtWidgets import (QWidget, QPushButton, QLineEdit,QLabel,
                               QInputDialog, QApplication,QFileDialog)
 from moviepy.video.io.VideoFileClip  import VideoFileClip
 from moviepy.video.compositing.concatenate import concatenate_videoclips
 from natsort import natsorted

 class Example(QWidget):
    def __init__(self):
         super().__init__()
 
         self.initUI()
 
     def initUI(self):
         # 源文件选择按钮和选择编辑框
         self.source_btn = QPushButton('source', self)
         self.source_btn.move(30, 30)
         self.source_btn.resize(60,30)
         self.source_btn.clicked.connect(self.select_source)
         self.source_le = QLineEdit(self)
         self.source_le.move(120, 30)
         self.source_le.resize(250,30)
 
         # 存储文件选择按钮和选择编辑框
         self.target_btn = QPushButton('target', self)
         self.target_btn.move(30, 90)
         self.target_btn.resize(60, 30)
         self.target_btn.clicked.connect(self.select_target)
         self.target_le = QLineEdit(self)
         self.target_le.move(120, 90)
         self.target_le.resize(250, 30)
 
         # 保存按钮，调取数据增加函数等
         self.save_btn = QPushButton('save',self)
         self.save_btn.move(30, 150)
         self.save_btn.resize(150, 30)
         self.save_btn.clicked.connect(self.addNum)
 
         # 退出按钮，点击按钮退出整个程序
         self.cancle_btn = QPushButton('cancle',self)
         self.cancle_btn.move(220, 150)
         self.cancle_btn.resize(150, 30)
         self.cancle_btn.clicked.connect(QCoreApplication.quit)
 
         # 执行成功返回值显示位置设置
         self.result_le = QLabel(self)
         self.result_le.move(30, 210)
         self.result_le.resize(340, 30)
 
         # 技术支持框
         self.sourceLabel = QLabel(self)
         self.sourceLabel.move(30, 360)
         self.sourceLabel.resize(340, 30)
         self.sourceLabel.setText("Technical support:Azrael ")
         self.sourceLabel.setStyleSheet("color:blue;font-size:18px")
         self.sourceLabel.setAlignment(Qt.AlignCenter)
 
         # 整体界面设置
         self.setGeometry(400, 400, 400, 400)
         self.setWindowTitle('video binding')
         self.show()
 
     # 打开的视频文件路径
     def select_source(self):
         source = QFileDialog.getExistingDirectory(self, "select the video directory", "C:/")
        self.source_le.setText(str(source))
 
     # 保存的视频文件名称，要写上后缀名
     def select_target(self):
         target,fileType = QFileDialog.getSaveFileName(self, "select the save directory", "C:/")
         self.target_le.setText(str(target))
 
     def addNum(self):
         source = self.source_le.text().strip()#获取源视频文件存储地址
         target = self.target_le.text().strip()#获取合成视频保存地址
         video_list = []#定义加载后的视频存储列表
         for root, dirs, files in os.walk(source):
             files = natsorted(files)#按1,2,10类似规则对视频文件进行排序
             for file in files:
                 if os.path.splitext(file)[1] == ".mp4":#判断视频文件格式是否为.mp4
                     file_path = os.path.join(source, file)#粘合完整视频路径
                     video = VideoFileClip(file_path)#加载视频
                     video_list.append(video)#将加载完后的视频加入列表
         final_clip = concatenate_videoclips(video_list)#进行视频合并
        final_clip.to_videofile(target, fps=24, remove_temp=True)#将合并后的视频输出
         self.result_le.setText("ok!")#输出文件后界面返回OK
         self.result_le.setStyleSheet("color:red;font-size:40px")#设置OK颜色为红色，大小为四十像素
         self.result_le.setAlignment(Qt.AlignCenter)#OK在指定框内居中
 
 
 if __name__ == '__main__':
     app = QApplication(sys.argv)
     ex = Example()
     sys.exit(app.exec_())

 #Author:Azrael
 import imageio
 imageio.plugins.ffmpeg.download()
 import win_unicode_console
 win_unicode_console.enable()
 import sys,os
 from PyQt5.QtCore import *
 from PyQt5.QtWidgets import (QWidget, QPushButton, QLineEdit,QLabel,
                               QApplication,QFileDialog)
 from moviepy.video.io.VideoFileClip  import VideoFileClip 
 
 class login(QWidget):
     def __init__(self):
         super(login,self).__init__()
         self.initUI()
 
     def initUI(self):
         #源文件选择按钮和选择编辑框
         self.source_btn = QPushButton('source', self)
         self.source_btn.move(30, 30)
         self.source_btn.resize(60,30)
         self.source_btn.clicked.connect(self.select_source)
         self.source_le = QLineEdit(self)
         self.source_le.move(120, 30)
         self.source_le.resize(250,30)
 
         # 存储文件选择按钮和选择编辑框
         self.target_btn = QPushButton('target', self)
         self.target_btn.move(30, 90)
         self.target_btn.resize(60, 30)
         self.target_btn.clicked.connect(self.select_target)
         self.target_le = QLineEdit(self)
         self.target_le.move(120, 90)
         self.target_le.resize(250, 30)
 
         #截切开始时间输入框和提示
         self.startLabel = QLabel(self)
         self.startLabel.move(30, 150)
         self.startLabel.resize(60,30)
         self.startLabel.setText("stat_time")
         self.start_le = QLineEdit(self)
         self.start_le.move(120,150)
         self.start_le.resize(50,30)
 
         # 截切结束时间输入框和提示 
         self.stopLabel = QLabel(self)
         self.stopLabel.move(230, 150)
         self.stopLabel.resize(60,30)
         self.stopLabel.setText("stop_time")
         self.stop_le = QLineEdit(self)
         self.stop_le.move(320,150)
         self.stop_le.resize(50,30)
 
         #保存按钮，调取数据增加函数等
         self.save_btn = QPushButton('save',self)
         self.save_btn.move(30, 210)
         self.save_btn.resize(140, 30)
         self.save_btn.clicked.connect(self.addNum)
 
         #退出按钮，点击按钮退出整个程序
         self.cancle_btn = QPushButton('cancle',self)
         self.cancle_btn.move(230, 210)
         self.cancle_btn.resize(140, 30)
         self.cancle_btn.clicked.connect(QCoreApplication.quit)
 
         #执行成功返回值显示位置设置
         self.result_le = QLabel(self)
         self.result_le.move(30, 270)
         self.result_le.resize(340, 30)
 
         #技术支持框
         self.sourceLabel = QLabel(self)
         self.sourceLabel.move(30, 360)
         self.sourceLabel.resize(340, 30)
         self.sourceLabel.setText("Technical support:Azrael ")
         self.sourceLabel.setStyleSheet("color:blue;font-size:18px")
         self.sourceLabel.setAlignment(Qt.AlignCenter)
 
         #整体界面设置
         self.setGeometry(400, 400, 400, 400)
         self.setWindowTitle('video binding')#设置界面标题名
         self.show()
 
     # 打开的视频文件名称
     def select_source(self):
         target,fileType = QFileDialog.getOpenFileName(self, "select the source file", "C:/")
         self.source_le.setText(str(target))
     #保存的视频文件名称，要写上后缀名
     def select_target(self):
         target,fileType = QFileDialog.getSaveFileName(self, "select the save file", "C:/")
         self.target_le.setText(str(target))
 
 
     def addNum(self):
         source = self.source_le.text().strip()#获取需要剪切的文件
         target = self.target_le.text().strip()#获取剪切后视频保存的文件
         start_time = self.start_le.text().strip()#获取开始剪切时间
         stop_time = self.stop_le.text().strip()#获取剪切的结束时间
         video = VideoFileClip(source)#视频文件加载
         video = video.subclip(int(start_time), int(stop_time))#执行剪切操作
         video.to_videofile(target, fps=20, remove_temp=True)#输出文件
         self.result_le.setText("ok!")#输出文件后界面返回OK
         self.result_le.setStyleSheet("color:red;font-size:40px")#设置OK颜色为红色，大小为四十像素
         self.result_le.setAlignment(Qt.AlignCenter)#OK在指定框内居中
 
 if __name__=="__main__":
     app = QApplication(sys.argv)
     ex = login()
     sys.exit(app.exec_())