# 提取mp4视频里的音频保存为mp3.py
from moviepy.video.io.VideoFileClip import VideoFileClip

def extract_audio(video_path, output_audio_path):
    try:
        # 加载视频文件
        video = VideoFileClip(video_path)
        
        # 检查视频是否有音频流
        if video.audio is None:
            print("视频没有音频流！")
            return
        
        audio = video.audio
        audio.write_audiofile(output_audio_path, codec='mp3')  # 可以指定编码格式
        
    except Exception as e:
        print(f"发生错误: {e}")
    finally:
        # 确保资源释放
        if 'audio' in locals():
            audio.close()
        if 'video' in locals():
            video.close()
        print("音频提取完成！")

if __name__ == "__main__":
    # 输入参数设置
    input_video = "31299800191-1-192.mp4"  # 替换为你的视频路径
    output_audio = "rainyun.mp3"  # 替换为期望的输出路径

    # 执行提取
    extract_audio(input_video, output_audio)