R: Re: [Asterisk-video] vdo conf

[Alfonso Buono]

Hello all,
 
a possibility cuold be:
 
4 - A softphone that has a single window diveded in a large square with the
speaker's video and n little square with other participants screenshots (to
reduce bandwith usage). 
 
It would be a full-screen application to have the right impact.
 
Bye
 
Alfonso


  _____  

Da: asterisk-video-bounces at lists.digium.com
[mailto:asterisk-video-bounces at lists.digium.com] Per conto di Ramtin Amin
Inviato: Monday, July 03, 2006 1:18 PM
A: Development discussion of video media support in Asterisk
Oggetto: RE: Re: [Asterisk-video] vdo conf


By the way, I wonder now!
If people are videoconferancing, is it better to have
1- a softphone capable of showing everybody, which means one window for each
one that is talking. (what would happen with current hardphone that have
only one screen)
2- a softphone that has a single window but the pbx that sends a gride with
the video of everybody in it ? (Since the video resolution is not that
great, is it really worth it or after 4 people it would just look like 1
pixel for each head we see)
3- everybody see the one that talks. So if you want people to see you, you
have to be louder that the otherone!
 
4- any other idea ?



 

  _____  


> Date: Mon, 3 Jul 2006 13:08:54 +0200
> From: oej at edvina.net
> To: asterisk-video at lists.digium.com
> Subject: Re: [Asterisk-video] vdo conf
> 
> Paul Cadach wrote:
> > Hello Andrew,
> > 
> > Andrey Kouprianov wrote:
> > 
> >>Yes, it's video conferencing. Just like the meetme conferencing. The
> >>only problem is that everyone says that you have to allow vdo codecs
> >>in sip.conf first, but, feature page in asterisk.org does not list any
> >>vdo codec support and guys on forum there kind of discourage usage of
> >>vdo conferencing uptil now. So I assume that vdo conferencing is not a
> >>fully blown feature in Asterisk yet.
> > 
> > 
> > To perform videoconferencing Asterisk needs to have video-transconding
> > functionality (i.e. meetme/other sort of conferencing software) should
_decode_
> > video streams coming from conference participants, merge them into
signle
> > "screen" then _encode_ it back with codecs supported by conference
parties. In
> > current state video transcoding functionality isn't supported by
Asterisk.
> > 
> > Also, video conferencing have some sort of video-audio synchronization
issues
> > which isn't handled in current Asterisk's design.
> > 
> > 
> > Shortly:
> > 1) There is no video codecs;
> > 2) There is no audio-video sychnronization.
> > 
> > 
> provided everyone use the same codec, there is another solution which
> only shows the talker's incoming video stream, i.e. do not mix video,
> only audio. There has to be some delay though, so the videostream
> does not jump around all the time as someone coughs...
> 
> Some people on this mailing list are working on it and we're discussing
> how to make it into a contribution for Asterisk 1.6.
> 
> /O
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