[h323plus] FECC H.224/H.281 Implementation

mohammad alam cheersalam at gmail.com
Mon Jan 14 01:39:14 EST 2008


Hi Simon

I had already overloaded the function CreateH224ProtocolHandler
as

OpalH224Handler * PhEndPoint::CreateH224ProtocolHandler(H323Connection &
connection, unsigned sessionID) const
{
 return new CVcsChannelh224(connection, sessionID);
}

CVcsChannelh224 is my class derived from OpalH224Handler
and
PhEndPoint derived from H323EndPoint

but still my application crashes at  h224Handler->StartTransmit(); in BOOL
H323_H224Channel::Start()
I have tested it using polycom and mirial.

But when I use my application at other end. the cnannel get released by
calling
if (chan != NULL) {
    chan->CleanUpOnTermination();
    delete chan;

of void H245NegLogicalChannel::Release()

I think I am not able to add capabilities right by adding :
H323_H224Capability *p = new H323_H224Capability();
capabilities.Add(p);

Is there something that I am missing.
and one more thing Can I use PTRACE in Windows.
Your comment is needed.

Regards
Alam



On 1/11/08, Simon Horne <s.horne at packetizer.com> wrote:
>
>  Sorry for the delay in replying.
>
> I hadn't fully tested the implementation.
> I think you have not loaded your derived h224 handler through the
> H323EndPoint function override I specified in the last email
>
> Simon
>
> -----Original Message-----
> *From:* h323plus-bounces at lists.packetizer.com [mailto:
> h323plus-bounces at lists.packetizer.com]*On Behalf Of *mohammad alam
> *Sent:* Thursday, January 10, 2008 5:56 PM
> *To:* h323plus at lists.packetizer.com
> *Subject:* [h323plus] FECC H.224/H.281 Implementation
>
>
> hi Simon
>  As you suggested I have added H323_H224Capability(). The brief code is
>
> H323_H224Capability *p = new H323_H224Capability();
> capabilities.Add(p);
> in a class derived from H323EndPoint.
>
> The watch window here doesnot show much.
>
>
> But exe crashes in BOOL H323_H224Channel::Start()
> at
> h224Handler->StartTransmit();
> I think it is not getting pointer right
>
> Can you guide me from there.
>
> alam.
>
>
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