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• ffmpeg program doesn't running on shell script with java Application

  20 octobre 2017, par Hae-Yoon Jo

  I code java Application and running Linux shell-script when java App running on Linux server.
  The linux shell-script is running. But, i need runnning ffmpeg program by shell.

  1. the ffmpeg is running with shell-script command by ./shellName.sh

  2. ffmpeg is not running with java App run by .

     • only ffmpeg command in shell.
     • working mkdir command
     • working pwd command

  #!/bin/bash
  
  echo -n "ffmpeg cmd :"
  
      /home/popsline/ffmpeg -i /home/popsline/sub02_chocolat.mp4 -r 0.14 -ss 00:00:20 -t 10:00:00 -vframes 10 -f image2 -y /home/popsline/img/iamges%d.png
  
  mkdir /home/username/test
  
  pwd

  Java code.

  HomeController.java refer sh.java as Object.
  so codes is follows :

  HomeController.java

  /**
  
   * Simply selects the home view to render by returning its name.
  
   */
  
  @RequestMapping(value = "/", method = RequestMethod.GET)
  
  public String home(Locale locale, Model model) {
  
      logger.info("Welcome home! The client locale is {}.", locale);
  
  
  
      Sh sh = new Sh();
  
      sh.shRun();
  
  
  
      return "home";
  
  }

  sh.java

  private static final Logger logger = LoggerFactory.getLogger(HomeController.class);
  
  
  
  public void shRun(){
  
  
  
      Runtime rt = Runtime.getRuntime();
  
      Process proc = null;
  
      InputStream is = null;
  
      BufferedReader bf = null;
  
  
  
      try {
  
          String[] cmd = {
  
                  "/bin/sh"
  
                  , "-c"
  
                  , "/usr/local/bin/creaThum.sh"
  
          };
  
  
  
          proc = rt.exec(cmd);
  
          proc.getInputStream();
  
          is = proc.getInputStream();
  
          bf = new BufferedReader(new InputStreamReader(is));
  
  
  
          while (true) {
  
              String info = bf.readLine();
  
              if(info == null || info.equals("")){
  
                  break;
  
              }
  
              logger.info("info haeyoon:: " + info);
  
          }
  
      } catch (Exception e) {
  
          logger.info(e.getMessage());
  
      }
  
  }

• Find exe files in batch script

  20 septembre 2017, par D.Spam

  Ok so I have a batch script that looks something like this

  :Input
  
  ECHO.
  
  SET url=
  
  ECHO Enter URL
  
  SET /P url=
  
  IF "%url%" EQU "" GOTO End
  
  IF "%url: =%" NEQ "%url%" GOTO Input
  
  ECHO Enter start time (in seconds, or in hh:mm:ss form):
  
  SET /P start=
  
  ECHO Enter duration (in seconds, or in hh:mm:ss form):
  
  SET /P dur=
  
  ECHO.
  
  FOR /F "delims==" %%A IN ('youtube-dl.exe --no-warnings --get-filename "%url%"') DO SET filename=%%A
  
  FOR /F %%B IN ('youtube-dl.exe -g "%url%"') DO (
  
  ffmpeg.exe -hide_banner -ss "%start%" -i "%%B" -c copy -t "%dur%" -bsf:a aac_adtstoasc video.mp4
  
  )
  
  
  
  :End

  The script works flawlessly but my only problem is the script only works when the batch file is inside the folder with all the executables (ffmpeg.exe, youtube-dl.exe). I would like the scripts to run outside the folder

  The folder in which the executables are :
  \Clips\ffmpeg\bin

  The folder I would like to store/run the batch files from is Clips.

  Another tricky problem is that the Clips folder will be shared with other users so I dont want to specify a directory like G :\Desktop\Clips as it will not work for them.

• Bash script not finding files

  9 septembre 2017, par user2751809

  I am writing a simple script to iterate over all the m4a files in a folder and encode them to mp3. I want to do the encoding of the files in different threads to increase the speed of execution and take advantage of all the cores in my PC, so I am sending the tasks to background, please advice me if this is the right approach.
  Anyway, I am getting a No such file or direcory error for every single file that I want to encode, even though the file is there ; and the funny thing is that if I copy the exact same instruction to a terminal, it will be executed correctly. Can you please help me to find out what am I doing wrong ?

  Thanks in advance.

  #!/bin/bash
  
  
  
  function encode {
  
      echo "<<<<<<<<<<< encode >>>>>>>>>>>>>>>>"
  
      cd "$1"
  
      find . -mindepth 1 -maxdepth 1 | while read f
  
      do
  
          if [ -f "${f}" ]
  
          then
  
              if [ ${f: -4} == ".m4a" ]
  
              then
  
                  if [ ! -d "converted" ]
  
                  then
  
                      mkdir converted
  
                  fi
  
                  newPath="${f%m4a}mp3"
  
                  echo "ffmpeg -i \""$f"\" -ac 2 -b:a 320k -y \""$newPath"\" null >/dev/null &"
  
                  ffmpeg -i \""$f"\" -ac 2 -b:a 320k -y \""$newPath"\" null >/dev/null &
  
              fi
  
          elif [ -d "${f}" ]
  
          then
  
              echo "folder $f"
  
              encode "$f"
  
          fi
  
      done
  
  }
  
  
  
  
  
  encode "$1"