/******************************Public*Routine******************************\
* OpenMovie
*
\**************************************************************************/
HRESULT
CMovie::OpenMovie(
TCHAR *lpFileName
)
{
IUnknown *pUnk;
HRESULT hres;
WCHAR FileName[MAX_PATH];
// Check input string
if (lpFileName == NULL)
return E_POINTER;
hres = StringCchCopyW(FileName, NUMELMS(FileName), lpFileName);
hres = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if(hres == S_FALSE)
CoUninitialize();
hres = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IUnknown, (LPVOID *)&pUnk);
if(SUCCEEDED(hres))
{
m_Mode = MOVIE_OPENED;
hres = pUnk->QueryInterface(IID_IFilterGraph, (LPVOID *)&m_Fg);
if(FAILED(hres))
{
pUnk->Release();
return hres;
}
hres = AddVideoMixingRendererToFG();
if(FAILED(hres))
{
m_Fg->Release(); m_Fg = NULL;
return hres;
}
hres = pUnk->QueryInterface(IID_IGraphBuilder, (LPVOID *)&m_Gb);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
return hres;
}
hres = RenderFileToVideoRenderer( m_Gb, FileName, TRUE);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
m_Gb->Release(); m_Gb = NULL;
return hres;
}
hres = m_Wc->QueryInterface(IID_IVMRMixerControl9, (LPVOID *) &m_pMixControl);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
m_Gb->Release(); m_Gb = NULL;
m_pMixControl = NULL;
return hres;
}
hres = pUnk->QueryInterface(IID_IMediaControl, (LPVOID *)&m_Mc);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
m_Gb->Release(); m_Gb = NULL;
return hres;
}
//
// Not being able to get the IMediaEvent interface doesn't
// necessarly mean that we can't play the graph.
//
pUnk->QueryInterface(IID_IMediaEvent, (LPVOID *)&m_Me);
GetMovieEventHandle();
pUnk->QueryInterface(IID_IMediaSeeking, (LPVOID *)&m_Ms);
pUnk->Release();
return S_OK;
}
else
{
m_Fg = NULL;
}
return hres;
}
/******************************Public*Routine******************************\
* OpenMovie
*
\**************************************************************************/
HRESULT
CMpegMovie::OpenMovie(
TCHAR *lpFileName, BOOL bWin9xCompatible
)
{
USES_CONVERSION;
IUnknown *pUnk;
HRESULT hres;
WCHAR FileName[MAX_PATH];
wcscpy(FileName, T2W(lpFileName));
hres = CoInitialize(NULL);
if(hres == S_FALSE)
CoUninitialize();
if ( bWin9xCompatible || !VerifyVMR() ) {
//----------------------------------------------------
// If video must be compatible with Win9x or
// VMR don't exist on the system use old style movie.
//----------------------------------------------------
// Get the interface for DirectShow's GraphBuilder
hres = CoCreateInstance( CLSID_FilterGraph,
NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&m_Gb );
if( SUCCEEDED(hres) )
{
// Have the graph builder construct its the appropriate graph automatically
hres = m_Gb->RenderFile(FileName, NULL);
if ( FAILED(hres) ) {
m_Gb->Release(); m_Gb = NULL;
return hres;
}
// QueryInterface for DirectShow interfaces
hres = m_Gb->QueryInterface(IID_IMediaControl, (void **)&m_Mc);
if ( FAILED(hres) ) {
m_Mc->Release(); m_Mc = NULL;
m_Gb->Release(); m_Gb = NULL;
return hres;
}
hres = m_Gb->QueryInterface(IID_IMediaEventEx, (void **)&m_Me);
if (m_Me) m_Me->SetNotifyWindow(NULL, 0, 0);
hres = m_Gb->QueryInterface(IID_IMediaSeeking, (void **)&m_Ms);
if ( FAILED(hres) ) {
m_Ms->Release(); m_Ms = NULL;
m_Me->Release(); m_Me = NULL;
m_Mc->Release(); m_Mc = NULL;
m_Gb->Release(); m_Gb = NULL;
return hres;
}
// Query for video interfaces,
// which may not be relevant for audio files.
hres = m_Gb->QueryInterface(IID_IVideoWindow, (void **)&m_Vw);
if ( FAILED(hres) ) {
m_Vw = NULL;
}
hres = m_Gb->QueryInterface(IID_IBasicVideo, (void **)&m_Bv);
if ( FAILED(hres) ) {
m_Bv = NULL;
}
// Query for audio interfaces, which may not be relevant for video-only files
hres = m_Gb->QueryInterface(IID_IBasicAudio, (void **)&m_Ba);
if ( FAILED(hres) ) {
m_Ba = NULL;
}
if ( m_Vw )
{
m_Vw->put_Visible(OAFALSE);
m_Vw->put_AutoShow(OAFALSE);
m_Vw->put_Owner((OAHWND)m_hwndApp);
m_Vw->put_MessageDrain((OAHWND)m_hwndApp);
m_Vw->put_WindowStyle( WS_CHILD | WS_CLIPSIBLINGS
| WS_CLIPCHILDREN );
}
m_bWin9xCompatible = TRUE;
}
return hres;
} else {
//------------------------------------------
//We can play using new WinXp WMR technique.
//------------------------------------------
hres = CoCreateInstance(
CLSID_FilterGraph,
NULL,
CLSCTX_INPROC_SERVER,
IID_IUnknown,
(LPVOID *)&pUnk);
if(SUCCEEDED(hres))
{
m_Mode = MOVIE_OPENED;
hres = pUnk->QueryInterface(IID_IFilterGraph, (LPVOID *)&m_Fg);
if(FAILED(hres))
{
pUnk->Release();
return hres;
}
hres = AddVideoMixingRendererToFG();
if(FAILED(hres))
{
m_Fg->Release(); m_Fg = NULL;
return hres;
}
hres = pUnk->QueryInterface(IID_IGraphBuilder, (LPVOID *)&m_Gb);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
return hres;
}
hres = m_Gb->RenderFile(FileName, NULL);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
m_Gb->Release(); m_Gb = NULL;
return hres;
}
hres = pUnk->QueryInterface(IID_IMediaControl, (LPVOID *)&m_Mc);
if(FAILED(hres))
{
pUnk->Release();
m_Fg->Release(); m_Fg = NULL;
m_Wc->Release(); m_Wc = NULL;
m_Gb->Release(); m_Gb = NULL;
return hres;
}
// Query audio control
hres = m_Gb->QueryInterface(IID_IBasicAudio, (LPVOID *)&m_Ba);
if (FAILED(hres))
{
m_Ba = NULL;
}
//
// Not being able to get the IMediaEvent interface doesn't
// necessarly mean that we can't play the graph.
//
pUnk->QueryInterface(IID_IMediaEventEx, (LPVOID *)&m_Me);
if (m_Me) m_Me->SetNotifyWindow(NULL, 0, 0);
pUnk->QueryInterface(IID_IMediaSeeking, (LPVOID *)&m_Ms);
pUnk->Release();
m_bWin9xCompatible = FALSE;
return S_OK;
}
else
{
m_Fg = NULL;
}
return hres;
}
}
