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video streaming

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2005-12-26
2013-04-08
  • VideoUser1111

    VideoUser1111 - 2005-12-26

    When I connect my webcam to my PC and start MPEGRecorder, set transmitter address/port to 192.168.0.1/8888, no packets are sent out(I'm using ethereal to moniter the interface). In the video viewer window, I can watch what's from the webcam. Any tips for streaming out video? What kind of player I can use to watch what's streamed out (vlc, mplayer .. )? Thanks a lot

     
    • Gadi Bergman

      Gadi Bergman - 2005-12-26

      Hello Mr. VideoUser1111,

      In order to send packets out, you must do two things:
      1. Under "Software" select "Audio Video Format" = "mp4-streaming-server".
      2. Click on the 'Record' button in the video viewer window. That should start transmission. After you click on 'Stop' the transmission should stop.

      In order to view the media stream, you need two things:
      1. Apple Quicktime player.
      2. an SDP file (SDP = Session Description Protocol) which tells your player which ports it should listen to in order to experience the stream. I am sorry, but I don't have a sample SDP file at the moment to show you. Once you acquire this file, tell your player to open it and that should do the trick.

      Note: the automatic option in the transmitter section uses Apple's Darwin Streaming Server to distribute the stream, and the SDP file is assumed to be distributed via a web server using HTTP.

      Good luck.

       
    • Gadi Bergman

      Gadi Bergman - 2005-12-30

      Continuing what I have said in the previous message, a sample SDP file is created once you start transmitting. It is called 'test.sdp' and it can be found in the directory where you run the application. I am sorry if this feature is not very stable in the current version.

       
    • Heiko Recktenwald

      I  see:

      <<

      v=0
      o=- -1272279528 266092 IN IP4 192.168.70.1
      s=test
      e=NONE
      c=IN IP4 127.0.0.1
      b=RR:0
      t=0 0
      a=mpeg4-iod: "data:application/mpeg4-iod;base64,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"
      a=isma-compliance:1,1.0,1
      m=video 20046 RTP/AVP 96
      b=AS:368640
      a=rtpmap:96 MP4V-ES/90000
      a=fmtp:96 profile-level-id=3; config=000001b003000001b508000001000000012000c488800550a041e1463f;
      a=mpeg4-esid:20
      a=x-mpeg4-simple-profile-decoder
      m=audio 20082 RTP/AVP 97
      b=AS:128
      a=rtpmap:97 mpeg4-generic/44100
      a=fmtp:97 streamtype=5; profile-level-id=15; mode=AAC-hbr; config=1210; SizeLength=13; IndexLength=3; IndexDeltaLength=3; Profile=1;
      a=mpeg4-esid:10

      >>

      Maybe this could be explained in some readme.

      Also ports etc. Isnt there some mp4live code, that could be used, to make it more usable for average users like me? ;-)

      H.
      H.

       

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