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• Python - youtube-dl.utils.DownloadError : ERROR : audio conversion failed : file : mp3 invalid argument

  6 octobre 2022, par Cristina

  youtube-dl.utils.DownloadError: ERROR: audio conversion failed: file: mp3 invalid argument

  



  The above error appears with following parameters, running youtube-dl on Python 3.6 on Windows 7, FFmpeg and libmp3lame installed.

  



  ydl_opts = {                                                
"format": "bestaudio/best",
"extractaudio": True,
"outtmpl": fetch_name + "%(ext)s",
"noplaylist": True,
"nocheckcertificate": True,
"postprocessors": [{
    "key": "FFmpegExtractAudio",
    "preferredcodec": "mp3",
    "preferredquality": "192",
}],
"progress_hooks": [hook]
}


  



  fetch_name is for example C:\Path\File. [hook] just displays download messages.
I've searched here and on internet but can't find this error.

  


• convert youtube video to mp3

  31 août 2015, par Try Mersianto

  i want to convert video from youtube to mp3 format ,
  i have try to get real path and i got url like this (http://r9---sn-npo7en7d.googlevideo.com/videoplayback?mm=31&mn=sn-npo7en7d&ratebypass=yes&mime=video/webm&source=youtube&pl=18&dur=0.000&sver=3&expire=1440995594&mt=1440973944&mv=m&ms=au&sparams=dur,id,initcwndbps,ip,ipbits,itag,lmt,mime,mm,mn,ms,mv,pl,ratebypass,source,upn,expire&signature=27B5A991402F61990D7D97C423D167C51B984E11.FA358ECCB3BAC29953749463A37659BB4ADDF4AB&fexp=9405997,9408214,9408511,9408710,9409069,9413318,9415365,9415485,9416023,9416105,9416126,9416524,9417097,9417126,9417707,9418153,9418409,9418448,9418700,9419239,9420020,9420056&ipbits=0&ip=128.199.181.252&key=yt5&lmt=1413466470642964&initcwndbps=15202500&itag=43&id=010d2b7ac9d709c1&upn=ZmvSS1PBRW0&signature=%20%27&title=%27Hardwell-feat-Chris-Jones---Young-Again-Official-Video-HD%27)

  i tried to convert it with ffmpeg command like ffmpeg -i the-url play.mp3 but it fail,
  am i wrong when getting the URL or wrong when using ffmpeg command ?
  anyone can help me ? ,
  i cant using youtube-dl because i do this for my project
  thanks

• Python, Youtube-video-downloader-merger Can i inproove this script run faster ?

  31 janvier 2020, par robotiaga

  I created script which one downloading video and sound from Youtube, and after that merging sound and video with ffmpeg, i wondering is another way to make same result but in faster way ? Because this script takes about 7 min depends on Video quality and duration. My code bellow :

  from pytube import YouTube
  
  import sys
  
  import ffmpeg
  
  import os
  
  
  
  
  
  class Downloader(YouTube):
  
  
  
      def __init__(self, link):
  
          self.link = YouTube(link)
  
          self.hq = []
  
          self.best_video = []
  
          self.best_sound = []
  
  
  
  
  
      def stream_objects(self):
  
          q = [self.hq.append(x) for x in self.link.streams.all()]
  
          self.best_video.append(str(self.hq[1]).split()[1].split('\"')[1])
  
          self.best_sound.append(str(self.hq[-1]).split()[1].split('\"')[1])
  
          return self.best_video, self.best_sound
  
  
  
      def downloady(self):
  
          vid = self.link.streams.get_by_itag(str(self.best_video).strip("['']"))
  
          audio = self.link.streams.get_by_itag(str(self.best_sound).strip("['']"))
  
          self.vid_title = (f"{vid.title}"+".mp4")
  
  
  
          vid.download(filename='video')
  
          audio.download(filename='audio')
  
          print('Downloaded, Now Starting Merge \n\n\n\n\n')
  
          print(f'{self.vid_title}'+'\n')
  
  
  
      def merge(self):
  
          ffmpeg.output(ffmpeg.input('video.mp4'), ffmpeg.input('audio.webm'), self.vid_title).run()
  
          os.remove('video.mp4')
  
          os.remove('audio.webm')
  
  
  
  
  
  
  
  if __name__=='__main__':
  
      a = Downloader(link = sys.argv[1])
  
      a.stream_objects()
  
      a.downloady()
  
      a.merge()

  OKE UPDATE :
  Now code looks like that..Second problem is slow downloading mp4 files from YouTube server, i have 10Gb/s internet. Good connection with YT servers, but why so poor downloading ? ? ? :)

  from pytube import YouTube
  
  import sys
  
  import ffmpeg
  
  import os 
  
  import subprocess
  
  
  
  class Downloader(YouTube):
  
  
  
      def __init__(self, link):
  
          self.link = YouTube(link)
  
          self.hq = []
  
  
  
  
  
      def stream_objects(self):
  
          self.best = self.link.streams.filter(file_extension='mp4')
  
          q = [self.hq.append(x) for x in self.best.all()]
  
          self.best_vid_itag = str(self.best.all()[1]).split()[1].split('\"')[1]
  
          self.best_audio_itag = str(self.best.all()[-1]).split()[1].split('\"')[1]
  
  
  
      def downloader(self):
  
          vid = self.link.streams.get_by_itag(self.best_vid_itag)
  
          aud = self.link.streams.get_by_itag(self.best_audio_itag)
  
          print('Donwloading Video file...\n')
  
          vid.download(filename='video')
  
          print('Video file downloaded... Now Trying download Audio file..\n')
  
          aud.download(filename='audio')
  
          print('Audio file downloaded... Now Trying to merge audio and video files...\n')
  
  
  
      def merger(self):
  
          lin = str(self.link.title).rstrip()
  
          lin2 = (lin+'.mp4')
  
          subprocess.run(f'ffmpeg -i video.mp4 -i audio.mp4 -c copy "{lin2}"', shell=True)
  
          os.remove('video.mp4')
  
          os.remove('audio.mp4')
  
          print('Done....\n')
  
  
  
  if __name__=='__main__':
  
      a = Downloader(link = sys.argv[1])
  
      a.stream_objects()
  
      a.downloader()
  
      a.merger()