'''pymediainfo: pip3 install pymediainfo 版本：5.1.0不支持网络音频'''class pymediainfoTest():@classmethoddef getAudioTimes(cls, audio_path):__lib_pymediainfo = __import__('pymediainfo', fromlist=['MediaInfo'])media_info = __lib_pymediainfo.MediaInfo.parse(audio_path)data = json.loads(media_info.to_json())# 多声道duration = data['tracks'][0]['duration']duration1 = data['tracks'][1]['duration']print(duration, data['tracks'][0]['other_duration'])print(duration1, data['tracks'][1]['other_duration'])# pymediainfoTest.getAudioTimes(music_url)'''mutagen: pip3 install mutagen 版本：1.45.1不支持网络音频'''class MutagenTest():@classmethoddef getAudioTimes(cls, audio_path):__lib_mutagen = __import__('mutagen', fromlist=['mp3'])audio = __lib_mutagen.mp3.MP3(audio_path)mp3_times = int(audio.info.length)f = int(mp3_times/60)m = mp3_times - f * 60print('%s秒, %s分%s秒' % (mp3_times, f, m))# MutagenTest.getAudioTimes()'''librosa： pip3 install librosa版本：0.9.1/doc/latest/index.html不支持网络音频错误: audioread.exceptions.NoBackendError解决：找到ffdec.py文件(python/lib/site-packages/audioread/ffdec.py)，打开找到COMMANDS = (‘ffmpeg’, ‘avconv’)这行，将’ffmpeg’修改成你的ffmpeg.exe的路径（建议路径引号前面加上r）。速度慢'''class LibrosaTest():__slots__ = ()# 取音频时长@classmethoddef getAudioTimes(cls, audio_path):__lib_librosa = __import__('librosa')duration = __lib_librosa.get_duration(filename=audio_path)print(duration)# LibrosaTest.getAudioTimes()'''pydub: pip3 install pydub 版本：0.25.1 /jiaaro/pydub需要下载ffmpeg：/-->download-->windows builds by BtbN-->ffmpeg-master-latest-win64-gpl.zip(104M)解压后将/bin添加到系统环境变量path中，重启vscode才会生效'''class PydubTest():__lib_pydub = __import__('pydub')# 方法一，支持网络音频@classmethoddef getAudioTimes(cls):song = cls.__lib_pydub.utils.mediainfo(music_url)print(song['duration'])# 方法二，不支持网络音频@classmethoddef getAudioTimes1(cls):sound = cls.__lib_pydub.AudioSegment.from_mp3(music_url)#获取文件时长print(sound.duration_seconds)# PydubTest.getAudioTimes1()'''ffprobe: 下载ffmpeg版本：5.0通过命令行调用，支持网络音频'''class FfprobeTest():@classmethoddef getAudioTimes(cls, audio_path):__lib_subprocess = __import__('subprocess')__lib_json = __import__('json')# 没有添加系统环境变量,也可以指定ffprobe的路径command = "ffprobe -loglevel quiet -print_format json -show_format -show_streams -i %s" % (audio_path)result = __lib_subprocess.Popen(command, shell=True, stdout=__lib_subprocess.PIPE, stderr=__lib_subprocess.STDOUT)out = result.stdout.read()temp = str(out.decode('utf-8'))info = __lib_json.loads(temp)print(info['streams'][0]['duration'])FfprobeTest.getAudioTimes(music_url)
