[Asterisk-video] mpeg4 video and h.263
Andy Eager
eagera at tpg.com.au
Wed Oct 28 16:55:15 CDT 2009
Joe Baltes wrote:
>
> Hi,
>
> RADVISION products all support H.264.
>
Even the older ones (ViaIP 400 - part no 55580-00001)?
I did capture a trace of an h.323 call setup and only saw H.263 & MPEG4
being offered.... but then that's probably because the phone I was
testing with only supported those 2 codecs.
Might try with a newer phone that supports h.264 and see what I get.
Andy Eager
>
>
> Joe Baltes
> RADVISION
>
>
>
>
> -----Original Message-----
> From: asterisk-video-bounces at lists.digium.com
> <asterisk-video-bounces at lists.digium.com>
> To: Development discussion of video media support in Asterisk
> <asterisk-video at lists.digium.com>
> Sent: Wed Oct 28 17:20:36 2009
> Subject: Re: [Asterisk-video] mpeg4 video and h.263
>
> Emmanuel BUU wrote:
>
> We have done some work on ooh323 and H.264. We can add MPE4G
> support if
> needed but this will be a paid work.
> Still I do not understand the need: ig you go through a
> RADVISION 3G
> gateway you will need only H.263 support that. No?
>
>
> Yes that's right, but there is a reasonably significant improvement in
> video quality of you go MPEG-4
> Of course h.264 (MPEG4 Level 10) would be the best, but Radvision
> (AFAIK) do not support that.
>
>
> I know that H.324m makes the provision of using MPEG4 video as
> codec but
> I have not seen a single terminal that support it.
>
>
> Nokia 6110, Motorola Razor V-series, Nokia 6220 etc all support MPEG4.
> In fact most of the newer (<3 years) video mobile phones do.
>
>
>
> Emmanuel
>
> Andy Eager a écrit :
>
>
> Hi,
>
> I have built asterisk with video support and ooh323.
>
> Using a Radvision gateway, I can place a 3g call and
> play video using
> h.323 signaling with the h.263 video codec.
>
> ooh323 does not support the mpeg4 codec when it
> negotiates terminal
> endpoint capabilities.
>
> Does anyone know of a way to support the mpeg4 codec
> with asterisk using
> h.323 signaling?
>
> Thanks,
>
> Andy
>
>
>
>
> _______________________________________________
> --Bandwidth and Colocation Provided by
> http://www.api-digital.com--
>
> asterisk-video mailing list
> To UNSUBSCRIBE or update options visit:
> http://lists.digium.com/mailman/listinfo/asterisk-video
>
>
>
>
>
>
> _______________________________________________
> --Bandwidth and Colocation Provided by
> http://www.api-digital.com--
>
> asterisk-video mailing list
> To UNSUBSCRIBE or update options visit:
> http://lists.digium.com/mailman/listinfo/asterisk-video
>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> --Bandwidth and Colocation Provided by http://www.api-digital.com--
>
> asterisk-video mailing list
> To UNSUBSCRIBE or update options visit:
> http://lists.digium.com/mailman/listinfo/asterisk-video
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-video/attachments/20091029/9fd1398b/attachment.htm
More information about the asterisk-video
mailing list