On Mon, Mar 23, 2015 at 8:55 AM, Gosmac <gosee...@gmail.com> wrote:
> Hey i have an interesting topic to discuss here.
>
> The main goal here is to be able to make a video call between two WebRTC 
> endpoints registered on asterisk 13 it is a feature that definitely asterisk 
> 13 should support .
>
> the problems that i faced with this is the following and i hope i could get 
> an advise here.
>
> asterisk 13 vanilla version has some issues marking the video packets this 
> complain web browser specially VP8 codecs so a friend of mine help me to 
> patch res_rtp_asterisk and now asterisk is marking video streams :) it just 
> mark video packets not touch anything else and web browser show video on web 
> page now I’m using online demo http://tryit.jssip.net/ is stable and get more 
> updates than sipml5. so i try echo() dialplan test and everything work 
> perfect on echo test :).
>
> i have two questions and i hope you could give me some advise.
>
> 1) after marking video packet I’m able to make Dial() between two webrtc 
> peers but i get one way audio and video on callee party, “after 3 minutes on 
> call” i get two way audio and video on all parties seems to be not just a 
> problem on a missing keyframe.
>
>  1.1) the 3 minutes delay only happen using chrome stable , could be a dtls 
> problem when asterisk make an offer to other endpoint?
>  1.2) when i use chrome-dev and i disable dlts encryption everything work 
> perfect on video call.
>
> 2) after marking video packets i realize that when you make a call with video 
> and you involve on dialplan an application like playback or music on hold any 
> application that  played audio files (audio and video never work).
>
> 2.1) asterisk is muggling the audio and video streams ?
>
> This is good information for all guys out there that wants to support video 
> on webrtc in asterisk 13
>

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Digium, Inc. | Director of Technology
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: http://digium.com & http://asterisk.org

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