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• Downloading youtube mp3 - metadata encoding issue (python, youtube-dl, ffmpeg)

  21 mai 2015, par mopsiok

  I’m trying to download audio from youtube with youtube-dl.exe and ffmpeg.exe (Windows 7), but I am having some troubles with encoding. I have to parse metadata manually, because when I try to use

  --metadata-from-title "%(artist) - %(title)" --extract-audio --audio-format mp3 https://www.youtube.com/watch?v=DaU94Ld3fuM

  I get ERROR : Could not interpret title of video as "%(artist) - %(title)"

  Anyway, I wrote some code to save metadata with ffmpeg :

  def download(url, title_first=False):
  
      if (0 == subprocess.call('youtube-dl --extract-audio --audio-format mp3 %s' % url)):
  
          #saves file in current directory in format: VID_TITLE-VID_ID.mp3
  
          video_id = url[url.find('=')+1:] #video id from URL (after ?v=)
  
          for f in os.listdir('.'):
  
              if video_id in f:
  
                  filename = f
  
                  break
  
          os.rename(filename, video_id+'.mp3') #name without non-ascii chars (for tests)
  
          video_title = filename[: filename.find(video_id)-1]
  
  
  
          output = video_title + '.mp3'
  
          title, artist = '', ''
  
          try: #parsing the title
  
              x = video_title.find('-')
  
              artist = video_title[:x].strip()
  
              title = video_title[x+1:].strip()
  
              if (title_first): output = '%s - %s.mp3' % (title, artist)
  
          except:
  
              pass
  
  
  
          x = 'ffmpeg -i "%s" -metadata title="%s" -metadata artist="%s" -acodec copy -id3v2_version 3 -write_id3v1 1 "%s"' \
  
                          % (video_id+'.mp3', title, artist, output)
  
          print x
  
          subprocess.call(x)

  The file is downloaded and then cropped to given start and duration times (the code above is a simplified version). Filename is fine, but when I open the file with AIMP3, it shows rubbish instead of non-ascii characters :

  

  I’ve tried to re-encode the final command with iso-8859-2, utf-8 and mbcs :

  x = x.decode('cp1250').encode('iso-8859-2')

  But non-ascii chars are still not readable. Passing an unicode command returns UnicodeEncodeError...

  Any idea how to solve this problem ?

• Downloading youtube mp3 - metadata encoding issue (python, youtube-dl, ffmpeg)

  21 novembre 2018, par mopsiok

  I’m trying to download audio from youtube with youtube-dl.exe and ffmpeg.exe (Windows 7), but I am having some troubles with encoding. I have to parse metadata manually, because when I try to use

  --metadata-from-title "%(artist) - %(title)" --extract-audio --audio-format mp3 https://www.youtube.com/watch?v=DaU94Ld3fuM

  I get ERROR : Could not interpret title of video as "%(artist) - %(title)"

  Anyway, I wrote some code to save metadata with ffmpeg :

  def download(url, title_first=False):
  
      if (0 == subprocess.call('youtube-dl --extract-audio --audio-format mp3 %s' % url)):
  
          #saves file in current directory in format: VID_TITLE-VID_ID.mp3
  
          video_id = url[url.find('=')+1:] #video id from URL (after ?v=)
  
          for f in os.listdir('.'):
  
              if video_id in f:
  
                  filename = f
  
                  break
  
          os.rename(filename, video_id+'.mp3') #name without non-ascii chars (for tests)
  
          video_title = filename[: filename.find(video_id)-1]
  
  
  
          output = video_title + '.mp3'
  
          title, artist = '', ''
  
          try: #parsing the title
  
              x = video_title.find('-')
  
              artist = video_title[:x].strip()
  
              title = video_title[x+1:].strip()
  
              if (title_first): output = '%s - %s.mp3' % (title, artist)
  
          except:
  
              pass
  
  
  
          x = 'ffmpeg -i "%s" -metadata title="%s" -metadata artist="%s" -acodec copy -id3v2_version 3 -write_id3v1 1 "%s"' \
  
                          % (video_id+'.mp3', title, artist, output)
  
          print x
  
          subprocess.call(x)

  The file is downloaded and then cropped to given start and duration times (the code above is a simplified version). Filename is fine, but when I open the file with AIMP3, it shows rubbish instead of non-ascii characters :

  

  I’ve tried to re-encode the final command with iso-8859-2, utf-8 and mbcs :

  x = x.decode('cp1250').encode('iso-8859-2')

  But non-ascii chars are still not readable. Passing an unicode command returns UnicodeEncodeError...

  Any idea how to solve this problem ?

• Download youtube videos with youtube-dl/ffmpeg in php

  24 juillet 2019, par Baraque Obahamas

  I have been using youtube-dl for a long time, and I now want to install it on my dedicated server to make it easier for me to download content.

  I created a php script that allows me to download the video of my choice to the server, then I download it to my computer, pretty cool !

  I am now trying to improve this script in order to redirect only the feed to avoid uploading the video to the server.

  Example with this site : https://mpgun.com
  It seems to redirect the stream without downloading the video to the server. If you try to download a video that lasts 3 hours, the site will offer you the download immediately !

  I think ffmpeg allows you to do that, only I don’t know where to start in the code.

  Do you have any idea how to set this up in php ?

  Thank you