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• Extract subtitle by language code via ffmpeg

  7 mai 2023, par TrustFound

  I have a simple task - extract subtitle for exact language from tvshows.
For example, I want to extract English subtitles from Netflix's show.
As you know there're a few different types of subtitles : forced, full and SDH.
So I want to extract all of them if it has eng language code.

  


  To extract 1 subtitle from file I used this code for windows :

  


  FOR %%i IN (*.mkv) DO (ffmpeg.exe -i "%%i" -map 0:s:m:language:eng -c copy "%%~ni".eng.srt)


  


  It worked fine with 1 english subtitle per file. But if it contains 2, ffmpeg shows error

  


  


  SRT supports only a single subtitles stream

  


  


  ---

  


  MI is...

  


  

  • Stream #0:2(eng) : Subtitle : subrip

  


  • Stream #0:3(eng) : Subtitle : subrip

  


  • Stream #0:4(ara) : Subtitle : subrip

  


  • ...

  


  


  ---

  


  So I should set 2 or more output files. I tried to figure out how to do this and found similar threads on reddit and stacksoverflow. They said there's no way to do this without ffprobe.
So I used ffprobe to parse all subtitle tracks and their language code.

  


  FOR %%i IN (*.mkv) DO (ffprobe -loglevel error -select_streams s -show_entries stream=index:stream_tags=language -of csv=p=0 -i %%i > subs.txt)


  


  File contains this info :

  


  

  • 2,eng

  


  • 3,eng

  


  • 4,ara

  


  • ...

  


  


  ---

  


  As I understand I should use integers and set them values 2 and 3. I want to get output like this

  


  


  

  • MovieName.2.eng.srt

  


  • MovieName.3.eng.srt

  


  


  


  If it easier to extract all subs, let it be. I tried to do this too but I dont know how to set integers and use them :(
So what I should do ?
Thanks in advance

  


• ffmpeg ask for intsall

  12 juin 2015, par Ritesh Gupta

  I am trying to create an image/thumbnail from the video stored in local folder.
  Here is what I am doing is-

       Process p;
  
       ProcessStartInfo info = new ProcessStartInfo();
  
       info.FileName = Server.MapPath("~/FFMPEG/ffmpeg.exe");
  
       info.RedirectStandardOutput = false;
  
       info.CreateNoWindow = false;
  
       info.Arguments = " -i " + videopath  + " -vframes 1 " + imagepath + "%d.jpg";
  
       info.UseShellExecute = false; 
  
       p = Process.Start(info);
  
      while (!p.HasExited) { Thread.Sleep(10); }

  When I execute above code a popup box comes to install ffmpeg.exe
  If I install the software, for the next time it asks again.

  Am I doing some mistake ?

• Localization : Remove full stop at the end of italian messages

  11 novembre 2014, par OmbraDiFenice

  Localization : Remove full stop at the end of italian messages
  It looks ugly to see a full stop at the end of an error message, and it
  
  is worse if the message is used in dynamic context (e.g. in a kind of
  
  popup message like a tooltip)
  Also use the default (possibly localized) error message when a wrong date
  
  is used instead of using a static message to improve flexibility, for all
  
  three custom date methods.
  Closes #1326