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• Adding mp3 metadata with space in ffmpeg using bash [duplicate]

  15 septembre 2019, par ctrlnot

  This question already has an answer here :

  • When to wrap quotes around a shell variable ?
    
    5 answers
    

  I have this bash script on downloading youtube videos then convert it to mp3 using youtube-dl and ffmpeg.

  #!/bin/bash
  
  
  
  ytlink=""
  
  outputFileName=""
  
  title=""
  
  artist=""
  
  album=""
  
  
  
  while getopts l:o:t:r:b: flag; do
  
    case "${flag}" in
  
      l) ytlink="${OPTARG}";;
  
      o) outputFileName="${OPTARG}";;
  
      t) title="${OPTARG}";;
  
      r) artist="${OPTARG}";;
  
      b) album="${OPTARG}";;
  
    esac
  
  done
  
  
  
  youtube-dl "$ytlink" --add-metadata --extract-audio --audio-format mp3 --output "temp.%(ext)s"
  
  
  
  tempFilename="temp.mp3"
  
  outputFileName="$outputFileName.mp3"
  
  
  
  args+=("-i" "$tempFilename" "-metadata" "title='$title'" "-metadata" "artist='$artist'" "-metadata" "album='$album'" "-metadata" "comment=Source:$ytlink")
  
  ffmpeg -loglevel debug ${args[@]} -acodec copy "$outputFileName"
  
  rm "$tempFilename"

  This script is fine if I have one word title/artist/album. However, if I have a space, ffmpeg interprets each word before space as another parameter. This is how I use this on command line :

  ./yttomp3.sh -l "https://www.youtube.com/watch?v=KwQnSHAilOQ" -o "Lee - Autumn Day" -t "Autumn Day" -r "Lee" -b "(Free) Lo-fi Type Beat - Autumn Day"

  The debug output of ffmpeg :

  Splitting the commandline.
  
  Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
  
  Reading option '-i' ... matched as input url with argument 'temp.mp3'.
  
  Reading option '-metadata' ... matched as option 'metadata' (add metadata) with argument 'title='Autumn'.
  
  Reading option 'Day'' ... matched as output url.
  
  Reading option '-metadata' ... matched as option 'metadata' (add metadata) with argument 'artist='Lee''.
  
  Reading option '-metadata' ... matched as option 'metadata' (add metadata) with argument 'album='(Free)'.
  
  Reading option 'Lo-fi' ... matched as output url.
  
  Reading option 'Type' ... matched as output url.
  
  Reading option 'Beat' ... matched as output url.
  
  Reading option '-' ... matched as output url.
  
  Reading option 'Autumn' ... matched as output url.
  
  Reading option 'Day'' ... matched as output url.
  
  Reading option '-metadata' ... matched as option 'metadata' (add metadata) with argument 'comment=Source:https://www.youtube.com/watch?v=KwQnSHAilOQ'.
  
  Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'copy'.
  
  Reading option 'Lee - Autumn Day.mp3' ... matched as output url.
  
  Finished splitting the commandline.

  I tried enclosing the arguments to quotes on the script but it’s still not working. How should I deal with this ? Thanks.

• Is it safe to ignore the error "Invalid UTF-8 in decoded subtitles text ; maybe missing -sub_charenc option Error while decoding stream" ?

  30 avril 2022, par Clogged-artery

  I was encoding a video with subtitles and I got the error, "Invalid UTF-8 in decoded subtitles text ; maybe missing -sub_charenc option. Error while decoding stream" but the video encoded anyway. What are the consequences of ignoring this error ? A google search showed a result of one guy saying it skips that sub so the resulting video will have missing subs. Can someone confirm this ?

  


  I know how to fix it but I have already converted 50+ videos with subtitles and I'm fairly certain that a few of them had this error. I just want someone to tell me that it's okay to ignore so I don't have to watch 200 hours of videos.

  


  Solution for fixing subtitle errors :

  


  Create a batch file and edit with the following :

  


  for %%a in ("*.srt") do ffmpeg -v 9 -loglevel 99 -sub_charenc CP1252 -i "%%a" "newfiles\%%~na.srt"
pause


  


• Heroku : [Errno 13] Permission Denied : /app/ffmpeg.exe

  4 mars 2021, par GetTwoBirdsStonedAtOnce

  So I made a python bot and I wanted to equip it with the ability to play music. I have been following this tutorial.

  


  Unfortunately when I run the play command I get the [Errno 13] Permission Denied: /app/ffmpeg.exe error. I have included the ffmpeg.exe file in my project branch as well as all of the ffmpeg files. I host this bot on heroku. I ran heroku logs --tail but this doesn't show me anything, I see the error as the output on a discord channel. Before you suggest it, I already have ran this : heroku config:set DISABLE_COLLECTSTATIC = 1. Of course to no avail... Here's the fragment of my code where I point to the ffmpeg.exe file :
return cls(discord.FFmpegPCMAudio(executable="/app/ffmpeg.exe", source = source), data=data, requester=ctx.author)

  


  Rest of the code is irrelevant as this is the only part that makes impact on the end result. Hope you can help me, cheers !