使用Python实现MP4转GIF

import wx
import os
from moviepy.editor import VideoFileClip

class MyFrame(wx.Frame):
  def __init__(self, parent, title):
  super(MyFrame, self).__init__(parent, title=title, size=(400, 200))
 
    panel = wx.Panel(self)
    vbox = wx.BoxSizer(wx.VERTICAL)
 
    # 创建文件选择按钮
    file_picker = wx.FilePickerCtrl(panel, message="选择MP4文件", wildcard="MP4 files (*.mp4)|*.mp4",
                    style=wx.FLP_USE_TEXTCTRL | wx.FLP_OPEN | wx.FLP_FILE_MUST_EXIST)
    vbox.Add(file_picker, proportion=0, flag=wx.ALL | wx.EXPAND, border=10)
 
    # 创建转换按钮
    convert_btn = wx.Button(panel, label="转换为GIF")
    vbox.Add(convert_btn, proportion=0, flag=wx.ALL | wx.CENTER, border=10)
 
    # 绑定按钮事件
    convert_btn.Bind(wx.EVT_BUTTON, lambda event: self.on_convert(file_picker.GetPath()))
 
    panel.SetSizer(vbox)
    self.Show()

def on_convert(self, mp4_file):
  if not mp4_file:
    wx.MessageBox("请选择一个MP4文件！", "错误", wx.OK | wx.ICON_ERROR)
    return
 
    # 创建输出GIF文件路径
    mp4_dir = os.path.dirname(mp4_file)
    mp4_name = os.path.basename(mp4_file)
    gif_file = os.path.join(mp4_dir, os.path.splitext(mp4_name)[0] + ".gif")
 
    try:
      # 使用moviepy库加载MP4文件
      video = VideoFileClip(mp4_file)
 
      # 将视频保存为GIF文件
      video.write_gif(gif_file, fps=10)
 
      wx.MessageBox("转换完成！", "提示", wx.OK | wx.ICON_INFORMATION)
 
    except Exception as e:
      wx.MessageBox(str(e), "错误", wx.OK | wx.ICON_ERROR)