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• "MPEG audio header not found" error when opening with TagLib after converting with ffmpeg

  6 juillet 2015, par Avrohom Yisroel

  I converted a wma file simply by doing something like this...

  ffmpeg -i song.wma -f mp3 song.mp3

  I can then play the mp3 file in Windows Media player, so it looks like the conversion worked.

  However, if I try to open the file in TagLib, I get an error "MPEG audio header not found" on the following line...

  TagLib.File tf = TagLib.File.Create("song.mp3");

  I’ve tried this on a few wma files, so it’s not just that one that’s at fault.

  Anyone have any idea what I did wrong ? I find the docs for ffmpeg pretty overwhelming, and as a complete ignoramus in the field of audio encoding, I haven’t a clue what most of it means. Could be I’m missing something in the conversion, although that wouldn’t explain why WMP can play it but TagLib can’t open it.

• How to install ffmpeg to Heroku ?

  11 mars 2020, par Gamer Fardin

  I am trying to build a discord bot using discord.py rewrite version, now the problem is I recently updated it to run audio from link and it works fine when I manually run the codes but once I have uploaded it to heroku it doesnt work because(I assume) ffmpeg is not in the right folder and I get the error : ffprobe/avprobe and ffmpeg/avconv not found. please install one. So does anyone how to properly install it to heroku ? Because the usual pip command isnt working...

  ’’’

      @client.command(aliases=["PlayMusic","playmusic","Playmusic","playMusic","PLAYMUSIC","playaudio"])
  
      async def play(ctx, url):
  
          song_there = os.path.isfile("song.mp3")
  
          try:
  
              if song_there:
  
                  os.remove("song.mp3")
  
          except PermissionError:
  
              await ctx.send("Wait for the current playing music end or use the 'stop' command")
  
              return
  
  
  
          voice = get(client.voice_clients, guild=ctx.guild)
  
          print(voice)
  
          ydl_opts = {
  
              'format': 'bestaudio/best',
  
              'postprocessors': [{
  
                  'key': 'FFmpegExtractAudio',
  
                  'preferredcodec': 'mp3',
  
                  'preferredquality': '192',
  
              }],
  
          }
  
          with youtube_dl.YoutubeDL(ydl_opts) as ydl:
  
              ydl.download([url])
  
          for file in os.listdir("./"):
  
              if file.endswith(".mp3"):
  
                  os.rename(file, 'song.mp3')
  
          voice.play(discord.FFmpegPCMAudio("song.mp3"))
  
          voice.volume = 100
  
          voice.is_playing()

  ’’’

• Why is my Youtube Video not downloading completely ? "Input buffer exhausted, packet corrupt"

  15 septembre 2021, par user16909319

  Introduction :

  


  I'm working on a Discord Music Bot for personal use only. Basically, when I play a 2min song with the bot, it plays the song for 1min 30secs, then skips it and plays the next one in the queue. The error is shown below :

  


  


  Error in Pull Function
  
IO error : Error number -10054 occurred
  
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000018f86a6f4c0] Packet corrupt (stream = 0, dts = 11154432).
  
Input buffer exhausted before END element found
  
Invalid Data found when processing Input
  
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000018f86a6f4c0] stream 0, offset 0x3e805c : partial file

  


  


  The code block which I think is causing the problem :

  


  Search song method

  


      async def search_song(self, amount, song, get_url=False):
        info = await self.bot.loop.run_in_executor(None, lambda: youtube_dl.YoutubeDL(ytdl_format_options).extract_info(
            f"ytsearch{amount}:{song}", download=False, ie_key="YoutubeSearch"))
        if len(info["entries"]) == 0: return None

        return [entry["webpage_url"] for entry in info["entries"]] if get_url else info


  


  Play_song method

  


      async def play_song(self, ctx, song):
        url = pafy.new(song).getbestaudio().url
        ctx.voice_client.play(discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(url, executable="C:/ffmpeg/bin/ffmpeg.exe")),
                              after=lambda error: self.bot.loop.create_task(self.check_queue(ctx)))
        ctx.voice_client.source.volume = 0.5


  


  Formatting Options I provided :

  


  ytdl_format_options = {
    'format': 'bestaudio/best',
    'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
    'restrictfilenames': True,
    'noplaylist': True,
    'nocheckcertificate': True,
    'ignoreerrors': True,
    'logtostderr': False,
    'quiet': True,
    'no_warnings': True,
    'default_search': 'auto',
    'source_address': '0.0.0.0'
}


  


  Solutions that I've tried :

  


  

  • Running it on both Replit and locally.

  


  • Redownloading FFmpeg

  


  • Ensuring FFmpeg, pafy, and youtube_dl are all up to date.

  


  


  Things to Note :

  


  

  • Playing a 2mins song, it stops after 1min 30 seconds and displays the error above. (75% of the song)

  


  • Playing a 1hr song, it still continues after 10 minutes.

  


  


  I do not have much experience in this yet so I'm not entirely sure where in my code is actually causing this issue or other ways which I can use to test and fix the issue.