Hello Muge, Is it possible to share the new functions you changed? (pjmedia_session_create and pjmedia_stream_create) What's the SDK you use to capture video? Thanks! Tiago 2008/10/13 P.Muge Ersoy <muge.ersoy at gmail.com> > Hi Hubert; > > Actually my implementation is quite different from yours. I want pjsip to > stream h264 from one side to other.. You choose VLC to do it.. > I changed pjmedia_session_create and pjmedia_stream_create functions as > well as SDP negotiation. > > I want vlc to decode this h264 stream with file.sdp which includes remote > ip and port information with codec. > > Did you install Microsoft Platform SDK for direct show headers ? > > Muge > > > On Sat, Oct 11, 2008 at 8:53 AM, Hubert Langevin <hubertlangevin at gmail.com > > wrote: > >> Hi Mugo, >> >> No i don't create another stream for video. I just make sure the port >> ranges for audio and video don't overlap. For example for audio i do >> the usual pjsip thing, start the port range at 4000 and with a maximum >> of 32 calls it'll go up to 4063. For the video i've got a config file >> that pjsua_app.c reads at startup. In there i specify what port video >> should start at. And i usually put it at 6000. When the application >> runs it checks if those ports are free or not and starts using them. >> This way my audio and video ports don't overlap. >> >> When i create my SDP, and before i send the offer, the initial port >> for video is the one that i specified in the video config file. After >> having sent the offer and read the incoming remote_sdp, what i pass to >> VLC is just the port number to transmit to, IP address to transmit to, >> transcoding codec, video bit rate and the mux type. I pass it to the >> commands buffer of VLC and use the functions VLC_Create(), >> VLC_Init(int, int, char **s), VLC_Play(int),VLC_FullScreen(int), >> etc... So to answer your question no i don't let PJSIP handle the >> video streams. I use PJSIP only for SDP negotiation that's it. I leave >> PJSIP to take care of all the audio streams and ports. And i keep the >> video part to VLC, including its transport and everything else. PJSIP >> doesn't touch that part. >> >> I can see you're using H264. I am too. Did you ever have two incoming >> H264 streams on your PC? How was your CPU usage?. When i have more >> than one on my PC my CPU usage doesn't look too good.. >> >> Hubert >> >> On Fri, Oct 10, 2008 at 7:26 PM, P.Muge Ersoy <muge.ersoy at gmail.com> >> wrote: >> > Hi Hubert; >> > >> > Haven't you created another stream for video ? >> > >> > As far as i understand after SDP negotiation you get if there is video >> > stream or not... >> > >> > This is my OK answer form pjsip to another sip client >> > >> > m=audio 4000 RTP/AVP 3 >> > a=rtpmap:3 GSM/8000 >> > m=video 4002 RTP/AVP 98 >> > a=rtpmap:98 H264/90000 >> > a=recvonly >> > >> > Everything seems pretty. But after streams are created Pjsip mixes the >> ports >> > with audio and video and it all crashes ... >> > How is your point of view to audio and video streams in your >> application. >> > >> > Regards >> > Muge >> > >> > >> > On Fri, Oct 10, 2008 at 1:02 AM, Hubert Langevin < >> hubertlangevin at gmail.com> >> > wrote: >> >> >> >> Hello everyone, >> >> >> >> I'm using VLC for video streaming in pjsip. I haven't completely >> >> finished it yet but i can now make some video calls between PCs. In >> >> the callback on_call_state() in pjsua_app.c when i get an incoming >> >> call i check if it has video media. I do this by grabbing the >> >> local_sdp and remote_sdp using call_id, acquire_call, >> >> pjmedia_sdp_neg_get_active_local(), >> >> pjmedia_sdp_neg_get_active_remote(), etc. I also had to change a few >> >> things in negotiating SDP's. If i have video media i just grab the >> >> remote IP and port number out of the remote_sdp, put these values in >> >> the commands buffer for VLC and start playing from remote stream and >> >> streaming off my webcam using the VLC functions: VLC_Create(), >> >> VLC_Init(int, int, char **s), VLC_Play(int), VLC_AddIntf(int, char *s, >> >> int, int), VLC_Die(), VLC_CleanUp(), VLC_Destroy(), VLC_Pause(int), >> >> VLC_Stop(int), VLC_FullScreen(int). It works fine but as soon as I get >> >> two video calls up on my PC my CPU usage jumps really high and stays >> >> there for the duration of the two calls. Is it because I'm using the >> >> wrong type of video codec? I'm currently using H264. >> >> >> >> Any ideas would be greatly appreciated. >> >> >> >> Hubert >> >> >> >> On Fri, Oct 10, 2008 at 4:39 AM, Tiago R?s <tiagores at gmail.com> wrote: >> >> > Hello all, >> >> > Thanks for your responses. >> >> > >> >> > My Idea is to make some kind of videoconference. It should be >> signaled >> >> > with >> >> > SIP, and stream via RTP. >> >> > I'm able to capture video using directshow libraries, and it would be >> >> > great >> >> > to use transport functions of PJSIP to do the rest. >> >> > What do you think? >> >> > >> >> > Thanks, >> >> > Tiago >> >> > >> >> > 2008/10/9 P.Muge Ersoy <muge.ersoy at gmail.com> >> >> >> >> >> >> Hi; >> >> >> >> >> >> Did you able to start two way stream with 264 . I have some port >> issues >> >> >> .. >> >> >> video stream is using audio streams port.. i will be handling it >> soon i >> >> >> guess.. >> >> >> >> >> >> and what are you using for displaying stream , ? VLC or ffmpeg .? >> >> >> >> >> >> muge >> >> >> >> >> >> On Thu, Oct 9, 2008 at 4:27 PM, Perry Ismangil <perry at pjsip.org> >> wrote: >> >> >>> >> >> >>> emanuele bottegoni wrote: >> >> >>>> >> >> >>>> Hi Tiago, >> >> >>>> >> >> >>>> I've added negotation to receive H264 streams,is it interesting >> for >> >> >>>> you? >> >> >>>> Tell me your problem and if it's possible I can help you. >> >> >>>> >> >> >>>> Emanuele Bottegoni >> >> >>>> >> >> >>>> >> >> >>> >> >> >>> Hi Emanuele, >> >> >>> >> >> >>> Certainly, adding video support is always interesting. Contact me >> if >> >> >>> you >> >> >>> are willing to write a wiki page or a blog post about it. >> >> >>> >> >> >>> Thank you for your support, >> >> >>> >> >> >>> >> >> >>> -- >> >> >>> Perry Ismangil >> >> >>> http://www.pjsip.org >> >> >>> >> >> >>> _______________________________________________ >> >> >>> Visit our blog: http://blog.pjsip.org >> >> >>> >> >> >>> pjsip mailing list >> >> >>> pjsip at lists.pjsip.org >> >> >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> >> >> >> >> >> >> _______________________________________________ >> >> >> Visit our blog: http://blog.pjsip.org >> >> >> >> >> >> pjsip mailing list >> >> >> pjsip at lists.pjsip.org >> >> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> >> >> > >> >> > >> >> > _______________________________________________ >> >> > Visit our blog: http://blog.pjsip.org >> >> > >> >> > pjsip mailing list >> >> > pjsip at lists.pjsip.org >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > >> >> > >> >> >> >> _______________________________________________ >> >> Visit our blog: http://blog.pjsip.org >> >> >> >> pjsip mailing list >> >> pjsip at lists.pjsip.org >> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > >> > >> > _______________________________________________ >> > Visit our blog: http://blog.pjsip.org >> > >> > pjsip mailing list >> > pjsip at lists.pjsip.org >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > >> > >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -------------- next part -------------- An HTML attachment was scrubbed... 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