74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
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import tkinter as tk
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from tkinter import filedialog, messagebox
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import cv2
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import os
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# GUI 界面
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class VideoToFramesApp:
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def __init__(self, root):
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self.root = root
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self.root.title("Video to Frames Converter")
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# 文件选择按钮
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self.select_button = tk.Button(
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root, text="选择视频文件", command=self.select_video
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)
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self.select_button.pack(pady=10)
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# 选择输出文件夹按钮
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self.select_folder_button = tk.Button(
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root, text="选择输出文件夹", command=self.select_output_folder
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)
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self.select_folder_button.pack(pady=10)
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# 开始转换按钮
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self.convert_button = tk.Button(
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root, text="开始转换", command=self.convert_video
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)
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self.convert_button.pack(pady=10)
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self.video_path = None
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self.output_folder = None
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def select_video(self):
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self.video_path = filedialog.askopenfilename(
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title="选择视频文件",
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filetypes=(("MP4 files", "*.mp4"), ("All files", "*.*")),
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)
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if self.video_path:
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messagebox.showinfo("文件已选择", f"已选择视频文件：{self.video_path}")
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def select_output_folder(self):
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self.output_folder = filedialog.askdirectory(title="选择输出文件夹")
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if self.output_folder:
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messagebox.showinfo("文件夹已选择", f"输出文件夹：{self.output_folder}")
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def convert_video(self):
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if not self.video_path or not self.output_folder:
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messagebox.showwarning("错误", "请先选择视频文件和输出文件夹！")
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return
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try:
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cap = cv2.VideoCapture(self.video_path)
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count = 0
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while True:
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ret, frame = cap.read()
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if not ret:
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break
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frame_filename = os.path.join(self.output_folder, f"frame_{count}.jpg")
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cv2.imwrite(frame_filename, frame)
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count += 1
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cap.release()
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messagebox.showinfo("成功", f"成功提取了 {count} 帧图片")
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except Exception as e:
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messagebox.showerror("错误", f"发生错误：{e}")
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# 启动 GUI 应用
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if __name__ == "__main__":
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root = tk.Tk()
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app = VideoToFramesApp(root)
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root.mainloop()
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