利用python加速视屏

from moviepy.editor import VideoFileClip, vfx, afx
 
def compress_video(video_path, output_path, target_duration, volume_scale=1.0):
    clip = VideoFileClip(video_path)
    if clip.duration > target_duration:
        # Calculate speedup factor needed
        speedup = clip.duration / target_duration
        # Create a new clip that plays at `speedup` speed and adjust volume
        new_clip = clip.fx(vfx.speedx, speedup).fx(afx.volumex, volume_scale)
        # Write the result to a file
        new_clip.write_videofile(output_path)
    else:
        print(f"Video is shorter than target duration of {target_duration} seconds")
 
path_to_your_video = r"D:\Desktop\1.mp4"
output_patch = r"D:\Desktop\2.mp4"
times = 55 # 压缩时间
volume_scale = 0.5 # 缩放因子，它将音量乘以该因子。例如，0.8将会降低20%的音量，而1.2将会增加20%的音量。
compress_video(path_to_your_video, output_patch, times, volume_scale)