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

Simon Horne s.horne at packetizer.com
Mon Jan 7 20:47:58 EST 2008


Abhishek

I don't understand why the dynamic size is not loading. I am using the
plugin now without any problems and the dynamic codec seems to load just
fine. Make sure you are reading the right plugin codec, you might have an
older one in the c:\pwlib_plugins directory or a subdirectory of your
program and it is reading that one instead of the latest from the CVS.

The next version 1.20 will be released in the coming weeks once I have
finished checking in my backlog of work. :)

Simon
  -----Original Message-----
  From: h323plus-bounces at lists.packetizer.com
[mailto:h323plus-bounces at lists.packetizer.com]On Behalf Of Abhishek Rohilla
  Sent: Monday, January 07, 2008 8:26 PM
  To: h323plus at lists.packetizer.com
  Subject: Re: [h323plus] How to Add Extended Video Capability for H.239


  Hi Simon

  I am now using the latest H263 plugin from CVS repository having extended
video capability feature added.
  After adding all capabilities the capability table now shows only two
types of H263 capability
  One for CIF and other for QCIF.
  The dynamic size capability which is defined in the PluginCodec_Definition
is not loaded now and that only contains extended video support.
  So I am not able to open extended video channel since capability is not
added.

  I have one more doubt that when OpenExtendedVideoSession is called it
matches local extended videocapability with extended video capability in
remote side capability table.
  But in my application when I check the remote side capability table it
shows no extended video capability and the table size is just 3.
  So even if I am able to successfully add extended video capability on
local side then remote side capability match will fail in
OpenExtendedVideoSession () call.

  H323ExtendedVideoCapability * remoteCapability =
(H323ExtendedVideoCapability
*)remoteCapabilities.FindCapability(localCapability);

  I am connecting with Polycom PVX with H239 content check enabled.

  I have one more doubt regarding H323Plus and plugin versions given on
www.h323plus.org and sourceforge.net h323plus cvs repository.
  Earlier I was using plugins version 1.19.5 downloaded from h323plus site
but I guess the one on CVS is more updated.
  I am having some problems downloading entire code from CVS.
  When will the latest plugin and H323plus release be updated on h323plus
site?

  Please help
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