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#1 Posted : Tuesday, November 27, 2007 1:27:26 AM(UTC)
Gr-system

Groups: Registered
Posts: 4


HI, I am using VC6 + +, and the minah application use COM Methods for connection of Pins:
example:
Graph1:
Capture>pin1->Sink
Capture>pin2->Render
Graph2:
Source->MPEG4->file
I would create a server-client this way:

Server:
Source->LMNetMux->LMNetSnk

Client:
LMNetSnk->Render

Using methods COM
Someone help me?

Thanks.

GR.


 

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#2 Posted : Tuesday, November 27, 2007 5:31:25 AM(UTC)

Qasem Lubani  
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If you want to an example on how to create a client server application using LEADTOOLS COM objects, take a look at the following 2 sample demos installed with the toolkit:

1-LEAD Technologies\LEADTOOLS 15\Examples\Ltmm\vb\NetServer
2-LEAD Technologies\LEADTOOLS 15\Examples\Ltmm\vb\NetClient
 
#3 Posted : Tuesday, November 27, 2007 8:15:21 AM(UTC)
Gr-system

Groups: Registered
Posts: 4


Thanks but I would like to something done in VC+ +, here is a part of my project:

The problem in this code, and when I try to connect the pin of the mux to sink, an error occurs!!

// initialize COM library
hr = CoInitialize(NULL);
if(FAILED(hr))
{
return hr;
}



// Create the filter graph
hr = CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IGraphBuilder, (void **) &g_pGraph);
if (FAILED(hr))
return hr;

// Create the capture graph builder
hr = CoCreateInstance (CLSID_CaptureGraphBuilder2 , NULL, CLSCTX_INPROC,
IID_ICaptureGraphBuilder2, (void **) &g_pCapture);
if (FAILED(hr))
return hr;

// Obtain interfaces for media control and Video Window
hr = g_pGraph->QueryInterface(IID_IMediaControl,(LPVOID *) &g_pMC);
if (FAILED(hr))
return hr;

hr = g_pGraph->QueryInterface(IID_IVideoWindow, (LPVOID *) &g_pVW);
if (FAILED(hr))
return hr;

hr = g_pGraph->QueryInterface(IID_IMediaEvent, (LPVOID *) &g_pME);
if (FAILED(hr))
return hr;




//hr = CoCreateInstance(CLSID_LMNetMux, 0, CLSCTX_INPROC_SERVER,
//IID_ILMNetMux,(void**)&Mux);
//pMux =Mux;
//pLNDp = pMux;
//g_pGraph->QueryInterface(IID_ILMNetMux, (void**) &Mux);

// hr = g_pGraph->AddFilter(pLNDp, L"LMNetMux");

//___________________________________
hr = CoCreateInstance(CLSID_LMNetSnk, 0, CLSCTX_INPROC_SERVER,
IID_ILMNetSnk,(void**)&Sink);
if (FAILED(hr))
return hr;
pLNSk =Sink;
hr = g_pGraph->AddFilter(pLNSk, L"LMNetSnk");

//=============Conects==============

HRESULT Conectamux()
{
HRESULT hr;
// Conectar LMNetMux
IPin * pOut = GetOutPin( pSrcFilter, 0 );// ponteiro Video Capture
IPin * pIn = GetInPin( iLmn, 0 );// ponteiro LMNetMux
hr = g_pGraph->Connect( pOut, pIn);// conecta, os pinos

return hr;
}

HRESULT ConectaSink()
{

HRESULT hr;
// Conectar LMNetSnk
IPin *pOut = GetOutPin(iLmn, 0 );// ponteiro LMNetMux
IPin * pIn = GetInPin( pLNSk, 0 );// ponteiro LMNetSnk
hr = g_pGraph->Connect( pOut, pIn);// conecta, os pinos
return hr;

}


 
#4 Posted : Tuesday, November 27, 2007 11:34:49 PM(UTC)

Qasem Lubani  
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We do have C++ and plain C demos,
but they do not use the MS DirectShow SDK directly. The only demos and sample
we have use our own multimedia toolkit, which is based on DirectShow. If you want to see these demos, you can find them in these locations:


1- LEAD Technologies\LEADTOOLS 15\Examples\Ltmm\cpp\NetServer


2-LEAD Technologies\LEADTOOLS 15\Examples\Ltmm\cpp\NetClient
 
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