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• How to watch or download periscope live streams from start ?

  10 septembre 2019, par Sanchit

  I am trying to figure how watch/download a periscope livestream from it’s starting point. The app doesn’t let go back more than 2 minutes so I tried downloading as someone told me it downloads from beginning but it didn’t. It started from the current time.

  I tried running :

  youtube-dl https://www.pscp.tv/w/b_7KWDFyYVFaeFhCTXhaanp8MXluS09Sd05QRFZ4Uuj5klcOLvuiNqQPC2PcorcMlZOwD3uZyIP7o-UXVYNi

  I get

  https://prod-fastly-ap-south-1.video.periscope.tv/Transcoding/v1/-/chunk_1563350917969725824_36817_a.ts?type=live
  
  
  
  https://prod-fastly-ap-south-1.video.periscope.tv/Transcoding/v1/-/chunk_1563350926386273572_36818_a.ts?type=live

• 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.

• How can I watch my video from a sdp file ?

  7 avril 2019, par Marco Peca

  I’m using ffmpeg to create a streaming. It works fine. I have a server and with ffplay I can watch my stream.
  My only (big) constraint is real time.

  I have to embed it into an HTML page accessible from mobile devices.
  I tried with HTML5 video tag but I can’t include sdp files into it.

  With ffmpeg I create a stream from my webcam. I have also created the sdp file but in HTML5 doesn’t work.

  The code is here :

  ffmpeg server :

  sudo ffmpeg -re -f video4linux2 -i /dev/video0 -fflags no buffer rtp://224.10.20.30:20000

  file.sdp

  v=0
  
  o=- 0 0 IN IP4 127.0.0.1
  
  s=No Name
  
  c=IN IP4 224.10.20.30
  
  t=0 0
  
  a=tool:libavformat 55.7.100
  
  m=video 20000 RTP/AVP 96
  
  b=AS:200
  
  a=rtpmap:96 MP4V-ES/90000
  
  a=fmtp:96 profile-level-id=1

  ffplay : (It works)

  ffplay file.sdp

  How can I view the stream in a browser ?