Posted: Mon Jul 03, 2006 2:45 am Post subject: R: Re: [Asterisk-video] vdo conf
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@lists.digium.com
[mailto:asterisk-video-bounces@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!
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_
Quote:
> video streams coming from conference participants, merge them into
signle
Quote:
> "screen" then _encode_ it back with codecs supported by conference
parties. In
Quote:
> current state video transcoding functionality isn't supported by
Asterisk.
Quote:
>
> Also, video conferencing have some sort of video-audio synchronization
issues
Quote:
> 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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Posted: Mon Jul 03, 2006 3:33 am Post subject: R: Re: [Asterisk-video] vdo conf
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Scrive Alfonso Buono <alfonso.buono@criai.it>:
Quote:
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@lists.digium.com
[mailto:asterisk-video-bounces@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@edvina.net
> To: asterisk-video@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
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> asterisk-video mailing list
> To UNSUBSCRIBE or update options visit:
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