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• 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()

  ’’’

• "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.

• FFmpeg chokes on filenames inside of quotes w/ whitespaces [duplicate]

  18 février 2016, par user3578907

  This question already has an answer here :

  • Script fails with spaces in directory names
    
    1 answer
    

  I’m trying to convert all of my FLACs in to MP3s. Each artist has a folder, and each album has a subfolder. I used the find command to compile a clean list of all of the FLACs in to a file called songlist, and tried dumping it in to FFmpeg with

  (for SONG in `cat songlist` ; do ffmpeg -i "$SONG" -f mp3 -ab 256000 "`basename "$SONG" .flac`.mp3" || break; done)

  Any time ffmpeg reaches a file with a space or special character it interprets it directly. I don’t understand why, as I thought the quotes around $SONG would sanitize it enough. Any thoughts on how to accomplish this task more efficiently or how to fix my code are welcomed.

  songlist is just filled with full paths to the files. No quotes around the paths.