<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:10pt"><DIV>Hi Ross,</DIV>
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<DIV> I am working on streaming from live source in H.264 format.I have studied you FAQ and i have made subclass H264VideoRtpServerMediaSubsession</DIV>
<DIV>from OnDemandServerMediaSubsession and redefined virtual function createNewStreamSource() , createNewRTPSink().</DIV>
<DIV> </DIV>
<DIV>Inside createNewRTPSink virtual function , i have returned H264VideoRTPSink() sink</DIV>
<DIV><FONT size=1> </DIV>
<DIV>
<P><FONT size=2>And inside createNewStreamSource() virtual function ,i have written code to access live source , i have created RTSPClient and then through describeURL() method provided my live source URL and then created MediaSession and ...... as openRTSP test , and finally returned framed source through</FONT></P>
<P><FONT size=2>MediaSubsession rtspSource() method , code is following </FONT></P>
<P><FONT size=2></FONT> </P><FONT size=1>
<P>FramedSource* framedSource=NULL;</P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>char</FONT></FONT><FONT size=1> *_progName = </FONT><FONT color=#a31515 size=1><FONT color=#a31515 size=1>"SirisMediaPlayer"</FONT></FONT><FONT size=1>; </P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>char</FONT></FONT><FONT size=1>* url = </FONT><FONT color=#a31515 size=1><FONT color=#a31515 size=1>"rtsp://10.69.170.23/axis-media/media.amp?videocodec=h264"</FONT></FONT><FONT size=1>; </P>
<P></FONT><FONT color=#008000 size=1><FONT color=#008000 size=1>// Create our client object:</P></FONT></FONT><FONT size=1>
<P>RTSPClient *rtspClient = RTSPClient::createNew(envir(),1); </P>
<P></P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>char</FONT></FONT><FONT size=1>* sdpDescription = rtspClient->describeURL(url);</P>
<P>MediaSession *mediaSession = MediaSession::createNew(envir(), sdpDescription);</P>
<P>MediaSubsessionIterator iter(*mediaSession);</P>
<P>MediaSubsession *mediaSubsession;</P>
<P></P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>while</FONT></FONT><FONT size=1> ((mediaSubsession = iter.next()) != NULL) { </P>
<P></P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>if</FONT></FONT><FONT size=1> (!mediaSubsession->initiate()) </P>
<P>{</P>
<P></FONT><FONT color=#008000 size=1><FONT color=#008000 size=1>// "Unable to create receiver for \"" << subsession->mediumName() << "/" << subsession->codecName() << "\" subsession: " << _env->getResultMsg() << "\n";</P></FONT></FONT><FONT size=1>
<P>} </P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>if</FONT></FONT><FONT size=1>(mediaSubsession->rtpSource() != NULL)</P>
<P>framedSource = mediaSubsession->rtpSource();</P>
<P>}</P>
<P></FONT><FONT color=#0000ff size=1><FONT color=#0000ff size=1>return</FONT></FONT><FONT size=1> framedSource;</FONT></P>
<P><FONT size=1></FONT> </P>
<P><FONT size=1></FONT> </P>
<P><FONT size=1><FONT size=2>But as soon as i play VLC player , i gets error inside strlen.asm file as </FONT></FONT></P>
<P><FONT size=1>Unhandled exception at 0x7855b690 (msvcr90.dll) in openRTSP.exe: 0xC0000005: Access violation reading location 0x00000000.</FONT></P>
<P><FONT size=2>Can you pls help me out where is the problem.</FONT></P></FONT></DIV>
<DIV><FONT size=1><FONT size=2><FONT size=1><FONT size=2></FONT></FONT></FONT> </DIV>
<DIV>
<P><FONT size=2><FONT size=1><FONT size=2>Thanks</FONT></FONT></FONT></P>
<P><FONT size=2><FONT size=1><FONT size=2>Vikas Srivastava</FONT><FONT size=1><FONT size=1></P></FONT></FONT></FONT></FONT>
<P> </P></FONT></DIV></DIV><BR>
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