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• HTTP Live streaming iOS not refreshing the index .m3u8 file

  27 février 2013, par Emerson Fittipaldi

  I searched all similar questions on StackOverflow, but found none to answer my problem.

  I am trying to stream some movies from my Linux computer (openSuSE 12.1) to my iPad. I convert them with ffmpeg, segment them with my own segmenter, place them in the www folder of my apache2 server and also place inside the .m3u8 playlist. Til here - all is ok !

  I start playing the movie (HTML page with tag) and it plays nicely, but only the first five segments, which have been loaded with the first load of the playlist. The HTML page (the browser, or the player - no idea) does not refresh (re-download) the playlist from the server. Here is what my .m3u8 playlist file looks like :

  #EXTM3U
  
  #EXT-X-MEDIA-SEQUENCE:19
  
  #EXT-X-TARGETDURATION:8
  
  
  
  #EXTINF:8,
  
  http://192.168.1.4/segment_19.ts
  
  #EXTINF:8,
  
  http://192.168.1.4/segment_20.ts
  
  #EXTINF:8,
  
  http://192.168.1.4/segment_21.ts
  
  #EXTINF:8,
  
  http://192.168.1.4/segment_22.ts
  
  #EXTINF:8,
  
  http://192.168.1.4/segment_23.ts

  Segments are in the same folder as the playlist file, segments are correctly encoded (because I can see at least the first five ones :D). I also watch the access_log from the apache server and I see the first load of the playlist, then the consequent load of all 5 segments and it stops till there. It doesn't even try to further refresh the m3u8 file.

  If it matters - iOS 5.0, iPad 2, Wi-Fi version only, not jailbroken

  Ideas ? What am I doing wrong ?

• add thumbnail and metadata to mp3 file on converting using youtube-dl by python script

  18 septembre 2015, par arun pal

  I want to add metadata as well as thumbnail image to my mp3 file. How to do that , can anybody help me ?

  from __future__ import unicode_literals
  
  import youtube_dl
  
  
  
  n="cwHzy7ftLyI"
  
  
  
  ydl_opts = {
  
      'format': 'bestaudio/best',
  
  
  
      'verbose':True,
  
  
  
      'postprocessors': [{
  
          'key': 'FFmpegExtractAudio',
  
          'preferredcodec': 'mp3',
  
          'preferredquality': '192',
  
          }],
  
          'addmetadata':True,
  
          'embedthumbnail':True,
  
          'writethumbnail':True,
  
      }
  
  with youtube_dl.YoutubeDL(ydl_opts) as ydl:
  
      ydl.add_default_info_extractors()
  
      ydl.download(['http://www.youtube.com/watch?v='+n])

• Converting video to frames using ffmpeg

  15 septembre 2015, par Alap Arslan

  I am using ffmpeg to convert video to frames by following command.

  ffmpeg -i Input.MP4 -vf fps=1/5 img%03d.jpg

  But i want to convert youtube video directly into frames. It gives error when i write like this.

  ffmpeg -i www.youtube.com/watch?v=qT4hN5o57hI -vf fps=1/5 img%03d.jpg

  please help me ?