#include "stdio.h"
#include "dshow.h"
#include "strmif.h"

void main()
{
    
    //******INITIALIZE**********************************
    HRESULT hr = CoInitialize(NULL);
    if (FAILED(hr))
    {
        // Add error-handling code here. (Omitted for clarity.)
    }
    //**************************************************

    //************CREAT FILTER GRAPH MANAGER***********************
    IGraphBuilder *pGraph;
    hr = CoCreateInstance(CLSID_FilterGraph, NULL,CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void **)&pGraph);
    //**********************************************************
    
    //IMediaControl controls streaming.
    //It contains methods for stopping and starting the graph.
    IMediaControl *pControl;

    //IMediaEvent has methods for getting events from the Filter Graph Manager.
    //In this example, the interface is used to wait for playback to complete.
    IMediaEvent   *pEvent;

    hr = pGraph->QueryInterface(IID_IMediaControl, (void **)&pControl);
    hr = pGraph->QueryInterface(IID_IMediaEvent, (void **)&pEvent);
    
    //*****BUILD FILTER GRAPH**********************
    //hr = pGraph->RenderFile(L"C:\\A.avi", NULL);
    //*********************************************

        //IGraphBuilder *pGraph = NULL;
    ICaptureGraphBuilder2 *pBuild = NULL;
    

        // Create the Capture Graph Builder.
    hr = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL,CLSCTX_INPROC_SERVER, IID_ICaptureGraphBuilder2, (void**)&pGraph);

    // Initialize the Capture Graph Builder.

    hr=pBuild->SetFiltergraph(pGraph);

    //************RUN**************************
    hr = pControl->Run();
    //****************************************

    //***************HOLD TILL FINISH VIDEO********************
    long evCode = 0;
    pEvent->WaitForCompletion(INFINITE, &evCode);
    //*********************************************************

    //****RELEASE INTERFACE POINTERS AND CLOSE COM LIBRARY*******
    pControl->Release();
    pEvent->Release();
    pGraph->Release();
    CoUninitialize();
    //***********************************************************

}