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Hi Hubert;

I have a question for you ..

Did you use the below tutorial for vlc display inside pjsip?
http://wiki.videolan.org/LibVLC_Visual_C


Muge



On Tue, Oct 14, 2008 at 12:51 AM, Hubert Langevin
<hubertlangevin at gmail.com>wrote:

> Hello Muge,
>
> Yes my implementation sounds different. I guess i took the easiest and
> quickest way to get video working. I do write the file.sdp file just
> like you and get VLC to read and decode the sdp file, but i also use
> VLC to stream.
>
> To answer your question yes i did install Microsoft Platform SDK...
> Hmmm... i can't remember which version though.
>
> Quick question. Since you are already using VLC to decode, why not use
> it to stream as well? You won't have to take care of streams, ports,
> transports, etc... It might be easier for you. I mean you are already
> using VLC to decode, might as well use it to encode. Makes your life
> easier. Maybe i'm missing something that you want to accomplish.
>
> What do you think?
>
> Hubert
>
> On Tue, Oct 14, 2008 at 12:06 AM, P.Muge Ersoy <muge.ersoy at gmail.com>
> wrote:
> > 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
> >
> >
>
> _______________________________________________
> 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
>
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