from moviepy.editor import *
video = VideoFileClip("myHolidays.mp4").subclip(50,60)
# Make the text. Many more options are available.
txt_clip = ( TextClip("My Holidays 2013",fontsize=70,color='white')
       .set_position('center')
       .set_duration(10) )
result = CompositeVideoClip([video, txt_clip]) # Overlay text on video
result.write_videofile("myHolidays_edited.webm",fps=25) # Many options...

$ (sudo) python setup.py install

$ (sudo) pip install moviepy

$ (sudo) pip install ez_setup

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('源文件', 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('目标路径', 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("开始秒")
    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("结束秒")
    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('开始',self)
    self.save_btn.move(30, 210)
    self.save_btn.resize(140, 30)
    self.save_btn.clicked.connect(self.addNum)

 

    #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)


    #整体界面设置
    self.setGeometry(400, 400, 400, 400)
    self.setWindowTitle('视频剪切')#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, "选择源文件", "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, "选择保存路径", "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_())