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• How can I merge two .g729 files into one .wav file with ffmpeg ?

  1er novembre 2018, par Discotek1986

  How can I merge two .g729 files into one .wav file with ffmpeg ?

  I used the command

  ffmpeg -filter_complex [0\:a][1\:a]amerge\=inputs\=2[aout] -map [aout]

  The result is with two files reported .wav and not .g729 and output reported .wav
  Here is the FFMPEG data :

  ffmpeg version git-2015-07-01-06a0d5e Copyright (c) 2000-2015 the FFmpeg developers
  
  built with gcc 4.3 (SUSE Linux)
  
  configuration: --prefix=/home/cartella/Encoder_Build --extra-cflags=-I/home/cartella/Encoder_Build/include --extra-ldflags=-L/home/cartella/Encoder_Build/lib --bindir=/home/cartella/Encoder --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk_aac --enable-libfreetype --enable-libmp3lame --enable-libopus --disable-yasm
  
  libavutil      54. 27.100 / 54. 27.100
  
  libavcodec     56. 46.100 / 56. 46.100
  
  libavformat    56. 40.100 / 56. 40.100
  
  libavdevice    56.  4.100 / 56.  4.100
  
  libavfilter     5. 19.100 /  5. 19.100
  
  libswscale      3.  1.101 /  3.  1.101
  
  libswresample   1.  2.100 /  1.  2.100
  
  libpostproc    53.  3.100 / 53.  3.100

• How to do multiple input with streamio-ffmpeg ?

  12 août 2020, par Yozuu

  I would like to recreate this ffmpeg line (which works well) in my rails app :

  


  ffmpeg -i 1.mp4 -i 2.mp4 -filter_complex '[0] [1] afir=dry=10:wet=10' output.wav


  


  So here is my config :

  


  module EncodingConstants
  PROCESSED_DEFAULTS = {
    resolution:           '500x400',
    video_codec:          'libx264',
    constant_rate_factor: '30',
    frame_rate:           '25',
    audio_codec:          'aac',
    audio_bitrate:        '128k',
    audio_sample_rate:    '48000',
    progress: :processing_progress
  }.freeze

  AUDIO_EFFECTS = {
    multi_effect: %w[-i /home/yozuu/2.mp4 -filter_complex [0] [1] afir=dry=10:wet=10]
 }.freeze


  


  So Sidekiq send this back to me :

  


  I, [2020-08-12T19:40:38.828081 #2142]  INFO -- : Running transcoding...
["/sbin/ffmpeg", "-y", "-i", "/home/yozuu/labo/video-project/tmp/1597254011-2142-0001-8820/1.mp4", "-vcodec", "libx264", "-acodec", "aac", "-s", "500x282", "-i", "/home/yozuu/2.mp4", "-filter_complex", "'[0]", "[1]", "afir=dry=10:wet=10'", "-r", "25", "-b:a", "128k", "-ar", "48000", "-aspect", "1.7730496453900708", "/home/yozuu/labo/video-project/tmp/1597254011-2142-0001-8820/1.mp4"]

E, [2020-08-12T19:40:38.897575 #2142] ERROR -- : Failed encoding...
["/sbin/ffmpeg", "-y", "-i", "/home/yozuu/labo/video-project/tmp/1597254011-2142-0001-8820/1.mp4", "-vcodec", "libx264", "-acodec", "aac", "-s", "500x282", "-i", "/home/yozuu/2.mp4", "-filter_complex", "'[0]", "[1]", "afir=dry=10:wet=10'", "-r", "25", "-b:a", "128k", "-ar", "48000", "-aspect", "1.7730496453900708", "/home/yozuu/labo/video-project/tmp/1597254011-2142-0001-8820/1.mp4"]


.....

Unknown decoder 'libx264'

Errors: no output file created. 



  


  I don't understand why because for me the command line ffmpeg seems correct.
Anyone have a idea ?
Thank you.

  


• 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());
  
      }
  
  }