音频/视频提取器:Python和moviepy实现

最新推荐文章于 2025-12-22 15:14:18 发布

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最新推荐文章于 2025-12-22 15:14:18 发布 · 1k 阅读

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#音视频 #python #moviepy #转换格式

在这篇博客中,我们将深入探讨一个使用Python和wxPython构建的音频/视频提取器应用程序。这个应用程序允许用户从视频文件中提取音频,或者从音频文件中截取特定时间段。让我们逐步分析这个程序的功能和实现。
C:\pythoncode\new\MP3towav.py

全部代码

import wx
import os
import subprocess
from datetime import datetime
import json
from moviepy.editor import VideoFileClip, AudioFileClip

class AudioVideoExtractor(wx.Frame):
    def __init__(self):
        super().__init__(parent=None, title='Audio/Video Extractor')
        self.panel = wx.Panel(self)
        self.create_widgets()
        self.load_settings()

    def create_widgets(self):
        # File selection
        self.file_picker = wx.FilePickerCtrl(self.panel, message="Choose an audio or video file")
        
        # Time range
        self.start_time = wx.TextCtrl(self.panel, value="00:00:00")
        self.end_time = wx.TextCtrl(self.panel, value="00:00:00")
        
        # Output format
        self.formats = ['mp3', 'wav', 'aac']
        self.format_choice = wx.Choice(self.panel, choices=self.formats)
        
        # Output directory
        self.dir_picker = wx.DirPickerCtrl(self.panel, message="Choose output directory")
        
        # Export button
        self.export_btn = wx.Button(self.panel, label="Export")
        self.export_btn.Bind(wx.EVT_BUTTON, self.on_export)
        
        # Open button
        self.open_btn = wx.Button(self.panel, label="Open in PotPlayer")
        self.open_btn.Bind(wx.EVT_BUTTON, self.on_open)
        
        # Layout
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(wx.StaticText(self.panel, label="Select Audio or Video File:"), 0, wx.ALL, 5)
        sizer.Add(self.file_picker, 0, wx.EXPAND|wx.ALL, 5)
        sizer.Add(wx.StaticText(self.panel, label="Start Time (HH:MM:SS):"), 0, wx.ALL, 5)
        sizer.Add(self.start_time, 0, wx.EXPAND|wx.ALL, 5)
        sizer.Add(wx.StaticText(self.panel, label="End Time (HH:MM:SS):"), 0, wx.ALL, 5)
        sizer.Add(self.end_time, 0, wx.EXPAND|wx.ALL, 5)
        sizer.Add(wx.StaticText(self.panel, label="Output Format:"), 0, wx.ALL, 5)
        sizer.Add(self.format_choice, 0, wx.EXPAND|wx.ALL, 5)
        sizer.Add(wx.StaticText(self.panel, label="Output Directory:"), 0, wx.ALL, 5)
        sizer