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• Decrypting .m3u8 AES 128 .drm file and IV

  26 septembre 2016, par Kishan

  Am trying to get the following video for offline viewing since my connection recently has been flakey.

  I’ve tried ffmpeg with the .m3u8 file but it says "invalid data" as the files are encrypted, I’ve been trying to read up on how to do it but can’t seem to find my exact scenario with this .drm file, everywhere they have the .key file. I’ve tried downloading each .ts and joining them which is fine but it is still encrypted, any help would be greatly appreciated.

  Link to site :
  https://www.my5.tv/eamonn-ruth-how-the-other-half-lives/season-2/episode-1

  The .m3u8 file starts like this :

  #EXTM3U
  
  #EXT-X-VERSION:3
  
  #EXT-X-TARGETDURATION:9
  
  #EXT-X-PLAYLIST-TYPE:VOD
  
  #EXT-X-FAXS-CM:URI="C5206830001A_1500.drm"
  
  
  
  #EXT-X-KEY:METHOD=AES-128,URI="https://access.adobeprimetime.com/faxsks/axs_prod/key",IV=0x82ecdecae409ca0fedae928a76725804
  
  #EXT-X-MEDIA-TIME:0.0
  
  #EXTINF:9,

• ffmpeg Command Fails in C

  16 février 2016, par cclloyd

  I have a program that stitches together files in ffmpeg using the system() function. It works when I run the command normally, but fails when I run it through the C program (it gets like 80% of the way through then fails saying

  [concat @ 0x7fe299801000] Impossible to open '/Us' parts.txt: No such file or directory
  
  No more output streams to write to, finishing.

  But that only happens in the C program. Not when I run the exact same command manually.

  The command it’s running is

  char command[1024];
  
  sprintf(command, "ffmpeg -f concat -i parts.txt -c copy s%de%02d.ts", season, episode);
  
  system(command);

  And the parts.txt file is as follows : http://pastebin.com/pUAu9mbt

  (Before you ask, yes those are absolute pathnames, not relative)

• Windows Batch - Change the beginning of a path but keep the rest

  21 juin 2014, par o_ren

  I’m running FFMPEG for video encoding.
  I have a batch file which will encode files you drop on it, keeping the file’s original name and copy the encoded files to a specific directory.
  I would like that script to "know" the original’s file path and copy the encoded file to a path relative to it, meaning :
  original file dropped on batch file is in C :\some\folder\show\season\episode\file.mov
  encoded file should be encoded to D :\different\directory\show\season\episode\file.mp4
  The part of the path up until \show is fixed.

  This is what I have so far :
  

  @echo on
  
  
  
  set count=0
  
  for %%a in (%*) do (<br />
  
    if exist %%a (
  
  
  
          md \\specific\path\"%%~na"
  
  
  
          %MYFILES%\ffmpeg.exe -i "%%~a" -vcodec libx264 -preset medium -vprofile baseline -level 3.0 -b 500k -vf scale=640:-1 -acodec aac -strict -2 -ac 2 -ab 64k -ar 48000 "%%~na_500.mp4"
  
          copy "%%~na_500.mp4" "\\specific\path\"%%~na"\%%~na_500.mp4"
  
          copy "%%~na_500.mp4" "\\specific\path\"%%~na"\%%~na_500.mp4"
  
          del "%%~na_500.mp4"

  set /a count+=1

  ) else (
  echo Skipping non-existent %% a
  
  

  Thank you,
  Oren