python 视频原声提取器

使用Python编写的视频原声提取器，可以将mp4视频的声音单独提取为MP3文件

使用说明：选择视频路径，提取完成会将MP3文件保存到视频当前的路径

因为我当前只是为了实现提取功能，所以界面会非常的简陋哈哈哈

以下是Python源码：

import tkinter as tk
from tkinter import filedialog, messagebox
from moviepy.editor import VideoFileClip
from pydub import AudioSegment
 
class VideoAudioExtractor:
    def __init__(self, root):
        self.root = root
        self.root.title("视频音频提取器")
 
        # 设置窗口大小
        self.root.geometry("350x250")
 
        self.video_label = tk.Label(root, text="选择视频文件:")
        self.video_label.grid(row=0, column=0, padx=10, pady=5, sticky="w")
 
        self.video_path = tk.StringVar()
        self.video_entry = tk.Entry(root, textvariable=self.video_path, width=20)
        self.video_entry.grid(row=0, column=1, padx=10, pady=5)
 
        self.browse_button = tk.Button(root, text="浏览", command=self.browse_video)
        self.browse_button.grid(row=0, column=2, padx=10, pady=5)
 
        self.extract_button = tk.Button(root, text="提取音频", command=self.extract_audio)
        self.extract_button.grid(row=1, column=1, padx=10, pady=5)
 
        self.result_label = tk.Label(root, text="提取结果:")
        self.result_label.grid(row=2, column=0, padx=10, pady=5, sticky="w")
 
        self.result_text = tk.Text(root, width=30, height=8)  # 调整高度为8
        self.result_text.grid(row=2, column=1, columnspan=2, padx=10, pady=5)
        self.result_text.insert(tk.END, "欢迎使用视频音频提取器！")
        self.result_text.config(state="disabled")
 
    def browse_video(self):
        file_path = filedialog.askopenfilename(filetypes=[("Video Files", "*.mp4;*.avi;*.mkv")])
        if file_path:
            self.video_path.set(file_path)
 
    def extract_audio(self):
        video_path = self.video_path.get()
        if video_path:
            try:
                video_clip = VideoFileClip(video_path)
                audio = video_clip.audio
                audio_path = video_path.replace(".mp4", ".mp3")  # 修改文件格式为 mp3
                audio.write_audiofile(audio_path)
                audio.close()
                video_clip.close()
                self.result_text.config(state="normal")
                self.result_text.delete(1.0, tk.END)
                self.result_text.insert(tk.END, "音频提取完成！\n")
                self.result_text.insert(tk.END, f"音频文件保存为: {audio_path}\n")
                self.result_text.config(state="disabled")
                messagebox.showinfo("完成", "音频提取完成！")
            except Exception as e:
                messagebox.showerror("错误", f"提取音频时出现错误:\n{str(e)}")
 
if __name__ == "__main__":
    root = tk.Tk()
    app = VideoAudioExtractor(root)
    root.mainloop()

另有简洁版，只需要2行关键代码，你可以试试

from moviepy.editor import AudioFileClip
video = AudioFileClip(video_path) 
video.write_audiofile(audio_path, codec='libmp3lame')