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• Processing 3, video lib : could not load movie file Ubuntu

  19 novembre 2017, par Konstantin Pashennykh

  Don’t sample code video lib processing 3.3.6 on Ubuntu 16.04. File in both folder - with sketch and data folder. Previous Install gstreamer 0.10-ffmpeg (solved previous problem with not run lib) Any your idea ?
  P.S. Work on Windows 7

  import processing.video.*;
  
  
  
  Movie mov;
  
  
  
  void setup() {
  
    size(640, 360);
  
    background(0);
  
    mov = new Movie(this, "transit.mov");
  
    mov.loop();
  
  }
  
  
  
  void movieEvent(Movie movie) {
  
    mov.read();  
  
  }
  
  
  
  void draw() {    
  
    image(mov, 0, 0);
  
  
  
    float newSpeed = map(mouseX, 0, width, 0.1, 2);
  
    mov.speed(newSpeed);
  
  
  
    fill(255);
  
    text(nfc(newSpeed, 2) + "X", 10, 30); 
  
  }

  Best Regards,
  Kos

• No Implementation Found for init method in Youtube Live Streaming Watch me project

  17 mai 2017, par Basha

  I am new to android development.presently I am Working on Youtube Live Streaming and downloaded watchMe project.I am getting the error in my class where I used to load FFMPEG libffmpeg.so file and the error was cannot resolve "init" method. and getting error while running the application as below

  java.lang.UnsatisfiedLinkError: No implementation found for boolean com.google.sai.apps.watchme.Ffmpeg.init(int, int, int, java.lang.String) (tried Java_com_google_sai_apps_watchme_Ffmpeg_init and Java_com_google_sai_apps_watchme_Ffmpeg_init__IIILjava_lang_String_2)
  
                                                                                       at com.google.sai.apps.watchme.Ffmpeg.init(Native Method)
  
                                                                                       at com.google.sai.apps.watchme.VideoStreamingConnection.open(VideoStreamingConnection.java:71)
  
                                                                                       at com.google.sai.apps.watchme.StreamerService.startStreaming(StreamerService.java:73)
  
                                                                                       at com.google.sai.apps.watchme.StreamerActivity.startStreaming(StreamerActivity.java:163)
  
                                                                                       at com.google.sai.apps.watchme.StreamerActivity.access$200(StreamerActivity.java:39)
  
                                                                                       at com.google.sai.apps.watchme.StreamerActivity$1.onServiceConnected(StreamerActivity.java:55)
  
                                                                                       at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1223)
  
                                                                                       at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1240)
  
                                                                                       at android.os.Handler.handleCallback(Handler.java:739)
  
                                                                                       at android.os.Handler.dispatchMessage(Handler.java:95)
  
                                                                                       at android.os.Looper.loop(Looper.java:148)
  
                                                                                       at android.app.ActivityThread.main(ActivityThread.java:5438)
  
                                                                                       at java.lang.reflect.Method.invoke(Native Method)
  
                                                                                       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:762)
  
                                                                                       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652)
  
      05-17 11:31:41.415 23434-25678/com.google.sai.apps.watchme E/ImageFetcher: Error in downloadBitmap - java.io.FileNotFoundException: https://i.ytimg.com/vi/FFvfpXcOpYk/default_live.jpg

  and FFMPEG class was

  public class Ffmpeg {
  
  
  
  
  
      static {
  
          System.loadLibrary("ffmpeg");
  
      }
  
  
  
  
  
      public static native boolean init(int width, int height, int audio_sample_rate, String rtmpUrl);
  
  
  
      public static native void shutdown();
  
  
  
      // Returns the size of the encoded frame.
  
      public static native int encodeVideoFrame(byte[] yuv_image);
  
  
  
      public static native int encodeAudioFrame(short[] audio_data, int length);
  
  }

  please someone help me.

• Split a movie so that each GIF is under a certain file size

  9 novembre 2014, par Terence Eden

  Problem

  I want to convert a long movie into a series on animated GIFs.

  Each GIF needs to be <5MB.

  Is there any way to determine how large a GIF will be while it is being encoded ?

  Progress So Far

  I can split the movie into individual frames :

  ffmpeg -i movie.ogv -r 25 frameTemp.%05d.gif

  I can then use convert from ImageMagick to create GIFs. However, I can’t find a way to determine the likely file size before running the command.

  Alternatively, I can split the movie into chunks :

  ffmpeg -i movie.ogv -vcodec copy -ss 00:00:00 -t 00:20:00 output1.ogv

  But I’ve no way of knowing if, when I convert the file to a GIF it will be under 5MB.

  A 10 second scene with a lot of action may be over 5MB (bad !) and a static scene could be under 5MB (not a problem, but not very efficient).

  Ideas

  I think that what I want to do is convert the entire movie into a GIF, then find a way to split it by file size.

  Looking at ImageMagick, I can split a GIF into frames, but I don’t see a way to split it into animated GIFs of a certain size / length.

  So, is this possible ?