Hi Ross,
I want to serve a live RTP source serving MP2T tv channel through an RTSP
server. To do it I have subclassed the OnDemandServerSubsession throug my
MPEG2TransportUDPServerSubsession class where I have redefined the
createNewStreamSource function as follow
FramedSource* MPEG2TransportUDPServerMediaSubsession
::createNewStreamSource(unsigned/* clientSessionId*/, unsigned& estBitrate){
estBitrate = 5000;
return MPEG2TransportStreamFramer::createNew(fEnv,fSource);
}
And I have redefined the createNewRTPSink exactly as done in the
MPEG2TransportFileServerMediaSubsession class.
To test this implementation I have added a new bloc to the
testOnDemandRTSPServer to serve this live stream like this :
{
char const* tvServiceName = "tv";
char const* inputAddressStr = "127.0.0.1";
struct in_addr inputAddress;
inputAddress.s_addr = our_inet_addr(inputAddressStr);
Port const inputPort(5004);
unsigned char const inputTTL = 0;
Groupsock inputRTPsock(*env, inputAddress, inputPort, inputTTL);
SimpleRTPSource* RTPSource =
SimpleRTPSource::createNew(*env,&inputRTPsock, 33,
90000, "video/MP2T",
0, False);
ServerMediaSession* sms
= ServerMediaSession::createNew(*env, tvServiceName, tvServiceName,
descriptionString);
sms->addSubsession(MPEG2TransportUDPServerMediaSubsession::createNew(*env,
RTPSource,
True));// All clients share the same live source
rtspServer->addServerMediaSession(sms);
announceStream(rtspServer, sms,tvServiceName,tvServiceName);
}
The RTP source is obtained like that
STB--http raw MP2T-->VLC----MP2T on RTP--->testOnDemandRTSPServer . The VLC
and the testOnDemandRTSPServer are running on the same machine. The problem
is that when I request the live stream from any client player I get a
SEGMENTATION FAULT on the tesOnDemandRTSPServer. When I request the RTP
stream with vlc without passing through the server (STB--http raw
MP2T-->VLC----MP2T on RTP--->VLC client) I get the display without any
problem.
Am I missing some thing ????
Thanks in advance
--
Achraf Gazdar
Associate Professor on Computer Science
Hana Research Unit, CRISTAL Lab.
http://www.hana-uma.org
Tunisia
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