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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hi again,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I believe I solved the errors with the streaming. I changed one command line argument for avconv using –f h264 instead of flv, as the comments in testOnDemandRTSPServer mention h.264 video elementary stream.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I will review the FAQ to address my next issue; streaming live video, or stream from a pipe.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Daniel <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'> Daniel Labonte <br><b>Sent:</b> June-26-14 1:18 PM<br><b>To:</b> '<br><b>Subject:</b> Errors on client side when using vlc as media player<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Good afternoon,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>my current project involves sampling video transmitted in real-time (in this case a test pattern) and stream these images to be viewed remotely on a client computer.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The environment is a Ubuntu 12.04 64bit machine. Tests were done using a physical server and a virtual machine.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>For the current prototype, the captured images are put into an .avi container using openCV, the output being a named pipe (pleoraFIFO.avi).<o:p></o:p></p><p class=MsoNormal>This avi file is then converted using avconv to produce a H264 format video. The actual command and arguments used is:<o:p></o:p></p><p class=MsoNormal> avconv -i ./pleoraFIFO.avi -vcodec libx264 -an -f flv test.264<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The idea is then to stream the file test.264 using live555. I tried different approaches; live555MediaServer, testONDemandRTSPServer,<o:p></o:p></p><p class=MsoNormal>testH264VideoStreamer and a modified version of testONDemandRTSPServer where only test.264 is streamed. Regardless of the live555<o:p></o:p></p><p class=MsoNormal>executable used, I am unable to view the video stream on a client.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Note that the file test.264.can be viewed using a media player (totem or vlc) on the server. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have attached different stats/log information related to test.264 and information reported by testRTSPCLient and openRTSP on the client side.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If vlc is used on the server to stream the video. the following errors are reported:<o:p></o:p></p><p class=MsoNormal> vlc test.264 --sout '#rtp{dst=192.168.0.12,port=1234,sdp=rtsp://192.168.129.102:8080/test.sdp}' <o:p></o:p></p><p class=MsoNormal> VLC media player 2.0.8 Twoflower (revision 2.0.8a-0-g68cf50b)<o:p></o:p></p><p class=MsoNormal> [0x8703f8] logger interface: using logger.<o:p></o:p></p><p class=MsoNormal> [0x792108] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.<o:p></o:p></p><p class=MsoNormal> [0x7f02e00012c8] stream_out_rtp stream out: Consider passing --rtsp-host=IP on the command line instead.<o:p></o:p></p><p class=MsoNormal> [flv @ 0x7f0314c1ebc0] Estimating duration from bitrate, this may be inaccurate<o:p></o:p></p><p class=MsoNormal> [flv @ 0x7f02e00027a0] Estimating duration from bitrate, this may be inaccurate<o:p></o:p></p><p class=MsoNormal> [0x7f02e0c10278] main demux error: option sub-original-fps does not exist<o:p></o:p></p><p class=MsoNormal> [0x7f0304000b78] main input error: no suitable demux module for `file/subtitle:///home/builduer/samples/eppGateway//test264.txt'<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>although the streamed video can be viewed using vlc rtsp on the client side<o:p></o:p></p><p class=MsoNormal> vlc rtsp://192.168.129.102:8080/test.sdp<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am confused as to why I experience the reported errors streaming using live555 media server applications and your help/comments are welcome.<o:p></o:p></p><p class=MsoNormal>I downloaded and build live555 version dated May 27, 2014.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards<o:p></o:p></p><p class=MsoNormal>Daniel<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10px">
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<P style="MARGIN: 0px"><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 13px">Daniel Labonte</SPAN></P>
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