//globals
IGraphBuilder  *m_pGraph;
IMediaControl  *m_pMediaControl;      
IMediaPosition *m_pMediaPosition;         
IMediaEvent    *m_pMediaEvent;          
IBaseFilter    *m_pNULLRenderer;   
IBaseFilter    *m_pGrabberBase;   
ISampleGrabber *m_pVideoGrabber; 	
AM_MEDIA_TYPE mt;

//create graph manager
CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&m_pGraph);

//create null renderer
CoCreateInstance(CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void **)&m_pNULLRenderer);

//add null renderer to graph
m_pGraph->AddFilter(m_pNULLRenderer, L"Null Renderer");

//create sample grabber
CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&m_pGrabberBase);

m_pGrabberBase->QueryInterface(IID_ISampleGrabber, (void**)&m_pVideoGrabber);
	
//set media type of sample grabber
ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = GUID_NULL;//MEDIASUBTYPE_RGB32;
mt.formattype = FORMAT_VideoInfo;

m_pVideoGrabber->SetMediaType(&mt);
m_pVideoGrabber->SetBufferSamples(TRUE);
m_pVideoGrabber->SetOneShot(FALSE);

//add grabber to graph
m_pGraph->AddFilter(m_pGrabberBase, L"Sample Grabber");
//automatically build graph based on filename

if(FAILED(m_pGraph->RenderFile(L"c:\\intro.avi",L"")))assert(0);
//get media interfaces

m_pGraph->QueryInterface(IID_IMediaControl, (void**)&m_pMediaControl);
m_pGraph->QueryInterface(IID_IMediaEvent, (void**)&m_pMediaEvent);
m_pGraph->QueryInterface(IID_IMediaPosition, (void**)&m_pMediaPosition);


//create the render texture
D3DXCreateTexture(_dx9.GetDevice(),1024,512,1,0,D3DFMT_R8G8B8,
D3DPOOL_MANAGED,media.GetTextureByPath(L"cutscene0").GetTexturePointerToPointer());


//start the movie
m_pMediaControl->Run();

long video_buffer_size = 0;
unsigned char* video_buffer = NULL;
D3DLOCKED_RECT d3dlr;

//clear the texture to white
media.GetTextureByPath(L"cutscene0").FillWithConstantColor(1,1,1);

IDirect3DTexture9 *g_pTexture=media.GetTextureByPath(L"cutscene0").GetTexture();

m_pVideoGrabber->GetCurrentBuffer(&video_buffer_size,NULL);

if(video_buffer_size==0)
{
	assert(0);
}

video_buffer = new unsigned char[video_buffer_size];

if(!video_buffer)
{
	assert(0);
}

m_pVideoGrabber->GetCurrentBuffer(&video_buffer_size, (long*)video_buffer);

if (!FAILED(g_pTexture->LockRect(0,&d3dlr,NULL,0)))
{
 memcpy ((BYTE*)(d3dlr.pBits), (BYTE*)video_buffer, video_buffer_size);
 g_pTexture->UnlockRect(0);
}
	
delete [] video_buffer;