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• Is it possible to link FFmpeg statically into an application built with Visual C++ ?

  29 juillet 2013, par Richard NZ

  I'm currently building and using FFmpeg on Windows and it works nicely. At present there are 5 relevant DLLs which I load and map relevant functions in as needed. However I am wondering if it is possible to avoid these DLLs by linking FFmpeg statically ?

  My initial reaction is probably not, because the FFmpeg builds are done with MinGW's GCC and any static libraries generated by those tools will be in a format incompatible with Visual C++. If anyone has looked into this before I'd be curious to know if you had any luck ?

  I did find this tool : http://www.binary-soft.com/dll2lib/dll2lib.htm. It's expensive but looks like it might do the trick as it converts a DLL directly to a static library.

  Thanks.

• 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());
  
      }
  
  }

• Do I need to open source my application If I use x264 through Android MediaCodec ? [closed]

  14 août 2019, par sanjay

  I want to encode some animation and save them as video. I want to use x264 Lib. But x264 license is GPL or commercial so I can not link with it directly without purchasing license. Do I need to opensource my app, If I use Android MediaCodec (https://developer.android.com/reference/android/media/MediaCodec) to encode which internally uses x264 ?