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• java.io.IOException : Cannot run program "usr/bin/ffmpeg " : error=2, No such file or directory

  8 juin 2021, par Madan Madan

  I am experiencing errors when executing ffmpeg command from java program in Ubuntu server. When I execute in putty it executes successfully but from java it gives me the exceptions of

  



  java.io.IOException: Cannot run program "/usr/bin/ffmpeg ": 
error=2, No such file or directory


  



  My Code below :

  



  public String convert3gpTomp4(File contentFile, String filename) {
    String[] cmd = new String[6];
    filename = StringUtils.substringBefore(filename, ".");      
    cmd[0] =  "/usr/bin/ffmpeg ";
    cmd[1] = "-y ";
    cmd[2] = "-i ";
    cmd[3] = contentFile.getPath();
    cmd[4] = "  -acodec copy ";
    String myfilename = filename +"eg.mp4";
    cmd[5] = contentFile.getParent() + "/" + myfilename;        

    if (execute(cmd)){
            return myfilename;
    }else{      
        return null;
    }

   }
}

public boolean execute(String[] cmd){
    try{
        Runtime rt= Runtime.getRuntime();

        Process proc = rt.exec(cmd);

        StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR");
        StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT");
        errorGobbler.start();
        outputGobbler.start();

        int exitVal = proc.waitFor();
        String sb = outputGobbler.sb.toString();
        String eb = errorGobbler.sb.toString();

        System.out.println("Command Exceute Exit value: " + exitVal);

        proc.destroy();

        return true;
    }
    catch(java.io.IOException e ){System.out.println("IOException "+e);e.printStackTrace();}
    catch(java.lang.InterruptedException e){}

    return false;

}


  



  Output of ffmpeg command :

  



  /usr/bin/ffmpeg -y -i /mydata/clip1.3gp -acodec copy /mydata/clip1eg.mp4


  



  When I run above command in putty , it executes successfully but from Java program.

  



  In the program, I also tried with the following but no success.

  



  usr/bin/ffmpeg
/bin/ffmpeg
ffmpeg
/root/usr/bin/ffmpeg


  



  Please let me know where I am doing wrong.

  



  Thanks,

  


• ffmpeg concat two videos with different sizes encounter "do not match" error

  1er juillet 2019, par baojieqh

  I’m trying to concat 4 mp4 files. I’m using the command below but not able to concat

  ffmpeg -i L00.mp4 -i L01.mp4 \
  
    -filter_complex "[0:v] [0:a] [1:v] [1:a] concat=n=2:v=1:a=1 [v] [a]" \
  
    -map "[v]" -map "[a]" output.mp4

  Getting this error :

  Input link in1:v0 parameters (size 1150x722, SAR 1:1) do not match the corresponding output link in0:v0 parameters (1158x690, SAR 1:1)

  This command from this post

  ffmpeg -i L00.mp4 -i L01.mp4 -filter_complex \
  
  "[0:v]scale=1158:722:force_original_aspect_ratio=decrease,pad=1158:722:(ow-iw)/2:(oh-ih)/2[v0]; \
  
   [1:v]scale=1158:722:force_original_aspect_ratio=decrease,pad=1158:722:(ow-iw)/2:(oh-ih)/2[v1]; \
  
   [v0][0:a][1:v][1:a]concat=n=2:v=1:a=1[v][a]" \
  
  -map "[v]" -map "[a]" -c:v libx264 -c:a aac -movflags +faststart output.mp4

  getting this error :

  Filter pad has an unconnected output

  the dimensions of L00.mp4 is 1158 × 690, L01.mp4 is 1150 × 722.

  how to fix this ?

• "Error : FFMPEG not found" but FFMPEG should be installed - Discord Bot

  13 juillet 2019, par IAmAze

  So I’ve been working on a Discord Music bot and I need FFMPEG, I just cant seem to find a working build.

  I already tried to install it via npm, choco, git and I used the installer from ffmpeg’s website. None of these worked.

  This is my Error :

  Error: FFMPEG not found
  
      at Function.selectFfmpegCommand (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\prism-media\src\transcoders\ffmpeg\Ffmpeg.js:46:13)
  
      at new FfmpegTranscoder (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\prism-media\src\transcoders\ffmpeg\Ffmpeg.js:7:37)
  
      at new MediaTranscoder (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\prism-media\src\transcoders\MediaTranscoder.js:10:19)
  
      at new Prism (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\prism-media\src\Prism.js:5:23)
  
      at new VoiceConnection (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\discord.js\src\client\voice\VoiceConnection.js:46:18)
  
      at Promise (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\discord.js\src\client\voice\ClientVoiceManager.js:63:22)
  
      at new Promise (<anonymous>)
  
      at ClientVoiceManager.joinChannel (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\discord.js\src\client\voice\ClientVoiceManager.js:45:12)
  
      at VoiceChannel.join (C:\Users\MauSc\Desktop\CrafterMusic - JS\node_modules\discord.js\src\structures\VoiceChannel.js:130:30)
  
      at Client.bot.on (C:\Users\MauSc\Desktop\CrafterMusic - JS\index.js:50:76)
  
  </anonymous>

  Edit : I should probably point out that Im an absolute beginner and have difficulties finding errors on my own.