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Joe Baltes wrote:
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<title>Re: [Asterisk-video] mpeg4 video and h.263</title>
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<p><font size="2">Hi,<br>
<br>
RADVISION products all support H.264.<br>
</font></p>
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Even the older ones (ViaIP 400 - part no 55580-00001)?<br>
<br>
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.<br>
<br>
Might try with a newer phone that supports h.264 and see what I get.<br>
<br>
Andy Eager<br>
<blockquote
cite="mid:7336F01A3BDB2949BA05149AD522B86701738CDE@rvnj-mail1.RADVISION.com"
type="cite">
<p><font size="2"><br>
Joe Baltes<br>
RADVISION<br>
<br>
<br>
<br>
<br>
-----Original Message-----<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:asterisk-video-bounces@lists.digium.com">asterisk-video-bounces@lists.digium.com</a>
<a class="moz-txt-link-rfc2396E" href="mailto:asterisk-video-bounces@lists.digium.com"><asterisk-video-bounces@lists.digium.com></a><br>
To: Development discussion of video media support in Asterisk
<a class="moz-txt-link-rfc2396E" href="mailto:asterisk-video@lists.digium.com"><asterisk-video@lists.digium.com></a><br>
Sent: Wed Oct 28 17:20:36 2009<br>
Subject: Re: [Asterisk-video] mpeg4 video and h.263<br>
<br>
Emmanuel BUU wrote:<br>
<br>
We have done some work on ooh323 and H.264. We can add MPE4G
support if<br>
needed but this will be a paid work.<br>
Still I do not understand the need: ig you go through a
RADVISION 3G<br>
gateway you will need only H.263 support that. No?<br>
<br>
<br>
Yes that's right, but there is a reasonably significant improvement in
video quality of you go MPEG-4<br>
Of course h.264 (MPEG4 Level 10) would be the best, but Radvision
(AFAIK) do not support that.<br>
<br>
<br>
I know that H.324m makes the provision of using MPEG4 video as
codec but<br>
I have not seen a single terminal that support it.<br>
<br>
<br>
Nokia 6110, Motorola Razor V-series, Nokia 6220 etc all support MPEG4.<br>
In fact most of the newer (<3 years) video mobile phones do.<br>
<br>
<br>
<br>
Emmanuel<br>
<br>
Andy Eager a écrit :<br>
<br>
<br>
Hi,<br>
<br>
I have built asterisk with video support and ooh323.<br>
<br>
Using a Radvision gateway, I can place a 3g call and
play video using<br>
h.323 signaling with the h.263 video codec.<br>
<br>
ooh323 does not support the mpeg4 codec when it
negotiates terminal<br>
endpoint capabilities.<br>
<br>
Does anyone know of a way to support the mpeg4 codec
with asterisk using<br>
h.323 signaling?<br>
<br>
Thanks,<br>
<br>
Andy<br>
<br>
<br>
<br>
<br>
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