/******************************Public*Routine******************************\
* UpdateAppImage
* DON'T WORK IN RENDERLESS MODE
\**************************************************************************/
BOOL//
CMpegMovie::UpdateAppImage(VMRALPHABITMAP* lpBmpInfo)
{
if ( m_Vw ) {
// Windowed movie playback can't have app image.
return FALSE;
} else {
IVMRMixerBitmap* pBmp;
if (!m_Wc)
return FALSE;
HRESULT hres = m_Wc->QueryInterface(IID_IVMRMixerBitmap, (LPVOID *)&pBmp);
if(SUCCEEDED(hres))
{
hres = pBmp->UpdateAlphaBitmapParameters(lpBmpInfo);
pBmp->Release();
}
return hres;
}
}
void CImageMixer_VMR7::Clear()
{
if (m_hdc!=NULL) {
IVMRMixerBitmap *pMixerBitmap;
if (SUCCEEDED(m_pRenderer->QueryInterface(IID_IVMRMixerBitmap,
reinterpret_cast<LPVOID*>(&pMixerBitmap)))) {
VMRALPHABITMAP ab;
ab.dwFlags=VMRBITMAP_DISABLE;
ab.fAlpha=0.0f;
pMixerBitmap->UpdateAlphaBitmapParameters(&ab);
pMixerBitmap->Release();
}
}
}