python怎样索取视频中的音频

python怎样索取视频中的音频

先用pip安置视频处置的库:pip install moviepy from moviepy.editor import * #导出库 video = VideoFileClip('test.mp4') #视频路途 audio = video.audio audio.write_audiofile('test.mp3') #导出音频路途 扶助以次方法 extensions_dict = { "mp4": {'type':'video', 'codec':['libx264','libmpeg4', 'aac']}, 'ogv': {'type':'video', 'codec':['libtheora']}, 'webm': {'type':'video', 'codec':['libvpx']}, 'avi': {'type':'video'}, 'mov': {'type':'video'}, 'ogg': {'type':'audio', 'codec':['libvorbis']}, 'mp3': {'type':'audio', 'codec':['libmp3lame']}, 'wav': {'type':'audio', 'codec':['pcm_s16le', 'pcm_s24le', 'pcm_s32le']},...