[h323plus] How to Add Extended Video Capability for H.239

Simon Horne s.horne at packetizer.com
Fri Jan 4 02:24:35 EST 2008

The opening didn't break it just returned false
The reason it returned false was that it was unable to locate a common h.239

Make sure you have a compatible H.263 plugin. It should have a
PluginCodec_MediaTypeExtVideo in the plugin definition. If not get it out of
the CVS in the extensions directory.

The Simple program in the applications directory of the CVS supports H.239.

  -----Original Message-----
  From: h323plus-bounces at lists.packetizer.com
[mailto:h323plus-bounces at lists.packetizer.com]On Behalf Of Abhishek Rohilla
  Sent: Friday, January 04, 2008 4:25 PM
  To: h323plus at lists.packetizer.com
  Subject: Re: [h323plus] How to Add Extended Video Capability for H.239


  I have done the following in class derived from H323EndPoint
  this->AddAllCapabilities(0, 0, "*");

  Then during call I called
  H323Connection::OpenExtendedVideoSession( unsigned role,H323ChannelNumber
  in H323EndPoin::OnConnectionEstablished()

  In OpenExtendedVideoSession()
  it breaks without opening extended video channel
  because the check
  (remoteCapability != NULL) fails.

  I am trying to connect my application with Polycom PVX with H239 content

  I couldn't find H239 sample on CVS on sourceforge.
  Please help.

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