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</o:shapelayout></xml><![endif]--></head><body lang=DE-AT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi, <br><br>we at Vienna University want to enable live campus streaming from one lecturehall to another. So to begin, we try to stream a simple testvideo via gstreamer to our media server (wowza) by using this simple command: <br><br>gst-launch-0.10 -v videotestsrc ! "video/x-raw-yuv, format=(fourcc)I420, width=(int)640, height=(int)480, framerate=(fraction)15/1" ! queue ! x264enc bitrate=500 cabac=false pass=qual quantizer=27 subme=4 threads=0 bframes=0 dct8x8=false ! queue ! rtph264pay ! queue ! udpsink host=128.130.35.149 port=10004 <br><br>For your information, we have this cap for our videostream: <br><br>caps = application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z0LAFrkQFAe2AiAAAAMAIAAAAwPB4sXU\\, aM4XIA\\=\\=\", payload=(int)96, ssrc=(guint)2438042987, clock-base=(guint)2413324687, seqnum-base=(guint)449100 <br><br>our SDP-file looks like this: <br><br>v=0 <br>o=- 1208520720 2590316916 IN IP4 128.130.35.149 <br>s=MY FIRST PIPELINE <br>i=N/A <br>c=IN IP4 128.130.35.149 <br>t=0 0 <br>m=video 10004 RTP/AVP 96 <br>a=rtpmap:96 H264/90000 <br>a=fmtp:96 media=video; clock-rate=90000; encoding-name=H264; sprop-parameter-sets=Z0LAFrkQFAe2AiAAAAMAIAAAAwPB4sXU,aM4XIA==; ssrc=2438042987; clock-base=2413324687; seqnum-base=449100 <br><br>The rtp packets are recieved just fine, so firewall settings are not the reason for our problem. We try to view the stream by JW Player (Longtail setup wizard: rtmp stream, file: udp://0.0.0.0:10004, streamer: rtmp://videotest.zserv.tuwien.ac.at:80/rtplive). However, the flash player remains black and doesn't show our stream. <br><br>Do you have any ideas where our problem might be? Is our gstreamer pipeline wrong? <br>Or is something missing in our sdp-file (it should be okay according to </span><a href="http://www.wowzamedia.com/forums/sho...th-Wowza/page7" target="_top"><span lang=EN-US>http://www.wowzamedia.com/forums/sho...th-Wowza/page7</span></a><span lang=EN-US>)? Any advice is welcome :-) <br><br>Thank you for your help in advance, <br>gergely <br><br>PS: our log file might help you finding a solution: <br></span><a href="https://institute.tuwien.ac.at/filea.../wowza_log.txt" target="_top"><span lang=EN-US>https://institute.tuwien.ac.at/filea.../wowza_log.txt</span></a><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Dipl.-Ing. Mag. rer.soc.oec. Gergely Rakoczi<o:p></o:p></span></p><p class=MsoNormal>E-Learning Web-Entwicklung, Dokumentation und Lehre<o:p></o:p></p><p class=MsoNormal>------------------------------------------------------------<o:p></o:p></p><p class=MsoNormal>TU Wien - Teaching Support Center<o:p></o:p></p><p class=MsoNormal>Gußhausstraße 28/E015<o:p></o:p></p><p class=MsoNormal>1040 Wien<o:p></o:p></p><p class=MsoNormal>Tel: +43 1 58801 41544<o:p></o:p></p><p class=MsoNormal><a href="http://tsc.tuwien.ac.at">http://tsc.tuwien.ac.at</a><o:p></o:p></p><p class=MsoNormal><a href="mailto:rakoczi@tuwien.ac.at">rakoczi@tuwien.ac.at</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>