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• ffmpeg : edit metadata and automatically increment their name + set the value of "Title" based on "Name"

  29 décembre 2018, par J. Does

  This PowerShell code divides a large audio file (sound1) in 5 minutes parts and saves them as sound100_1.mp3, sound1_002.mp3...

  ffmpeg -i $file_name_complete -f segment -segment_time 300 -c copy $fileNameOnly"_"%03d$fileExtensionOnly

  • How can I set the metadata title to be the same than the file name ?

  • And how can I also (on the same time) edit the Album metadata with an incremental name (it’s useless, but it’s to understand how that work). It should be alb_1, alb_2.

  I have seen on the docs that I should use :

  -metadata title="my title"

  But :

  • should I repeat each time -metadata for each metadata ? EDIT : yes according to this

  • how can I increment the number since the title need to be quoted (-metadata title="$fileNameOnly""_"%03d won’t work since the last quote is missing)

  • how can I set the title field so it take the same value than the Name ?

  ---

  This did not work :

  ffmpeg -i $file_name_complete -f segment -segment_time 300 
  
         -metadata title="$fileNameOnly""_"%03d album="test" 
  
         -c copy $fileNameOnly"_"%03d$fileExtensionOnly

  I get this error :

  -metadata : The term ’-metadata’ is not recognized as the name of a cmdlet

• ffmpeg command with action subprocess

  1er juillet 2018, par MathJunkiey

  I want to run this command in a python script

  cmd = 'ffmpeg -ss ' + start_time + ' -i remove_takeoff.mp4 -filter_complex "[0]trim=0,setpts=PTS-STARTPTS[b];[b][0]overlay=shortest=1" -shortest -c:a trimmed_takeoff.mp4'

  I’m using the following code snippet

  import subprocess
  
  import shlex
  
  
  
  cmd = # the command
  
  suprocess.call(shlex.split(cmd))

  I’m getting the following error

  Trailing options were found on the commandline.

  The above error occurring because the shlex.split command is converting the double quotes of the part into single quote. How to avoid this from happening. Can anyone suggest me a solutions for this problem.

  Check the full error trace below.

  ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 4.8.2 (GCC) 20140120 (Red Hat 4.8.2-15)
  
    configuration: --prefix=/home/vkv/anaconda3 
  
    libavutil      55. 78.100 / 55. 78.100
  
    libavcodec     57.107.100 / 57.107.100
  
    libavformat    57. 83.100 / 57. 83.100
  
    libavdevice    57. 10.100 / 57. 10.100
  
    libavfilter     6.107.100 /  6.107.100
  
    libavresample   3.  7.  0 /  3.  7.  0
  
    libswscale      4.  8.100 /  4.  8.100
  
    libswresample   2.  9.100 /  2.  9.100
  
    libpostproc    54.  7.100 / 54.  7.100
  
  Trailing options were found on the commandline.
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'remove_takeoff.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.67.100
  
    Duration: 00:00:14.00, start: 0.000000, bitrate: 15883 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 15881 kb/s, 20 fps, 20 tbr, 10240 tbn, 40 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
  Filter overlay has an unconnected output

• Revision 37406 : Le cron toute les minutes Amélioration de pleins de petites choses ...

  18 avril 2010, par kent1@… — Log

  Le cron toute les minutes
  Amélioration de pleins de petites choses
  Incrément mineur de la version