bool CImageMixer_EVR::GetMapSize(int *pWidth,int *pHeight)
{
bool fOK=false;
IMFGetService *pGetService;
if (SUCCEEDED(m_pRenderer->QueryInterface(IID_IMFGetService,
reinterpret_cast<LPVOID*>(&pGetService)))) {
IMFVideoDisplayControl *pDisplayControl;
if (SUCCEEDED(pGetService->GetService(MR_VIDEO_RENDER_SERVICE,
IID_IMFVideoDisplayControl,
reinterpret_cast<LPVOID*>(&pDisplayControl)))) {
SIZE Size;
if (SUCCEEDED(pDisplayControl->GetNativeVideoSize(&Size,NULL))) {
if (pWidth)
*pWidth=Size.cx;
if (pHeight)
*pHeight=Size.cy;
fOK=true;
}
pDisplayControl->Release();
}
pGetService->Release();
}
return fOK;
}
bool CImageMixer_EVR::SetBitmap(HBITMAP hbm,int Opacity,COLORREF TransColor,RECT *pDestRect)
{
IMFGetService *pGetService;
IMFVideoDisplayControl *pDisplayControl;
IMFVideoMixerBitmap *pMixerBitmap;
SIZE NativeSize;
BITMAP bm;
MFVideoAlphaBitmap ab;
HRESULT hr;
if (!CreateMemDC())
return false;
if (FAILED(m_pRenderer->QueryInterface(IID_IMFGetService,
reinterpret_cast<LPVOID*>(&pGetService))))
return false;
if (FAILED(pGetService->GetService(MR_VIDEO_MIXER_SERVICE,
IID_IMFVideoMixerBitmap,
reinterpret_cast<LPVOID*>(&pMixerBitmap)))) {
pGetService->Release();
return false;
}
if (FAILED(pGetService->GetService(MR_VIDEO_RENDER_SERVICE,
IID_IMFVideoDisplayControl,
reinterpret_cast<LPVOID*>(&pDisplayControl)))) {
pMixerBitmap->Release();
pGetService->Release();
return false;
}
hr=pDisplayControl->GetNativeVideoSize(&NativeSize,NULL);
pDisplayControl->Release();
if (FAILED(hr)) {
pMixerBitmap->Release();
pGetService->Release();
return false;
}
::SelectObject(m_hdc,hbm);
ab.GetBitmapFromDC=TRUE;
ab.bitmap.hdc=m_hdc;
ab.params.dwFlags=MFVideoAlphaBitmap_SrcRect | MFVideoAlphaBitmap_DestRect |
MFVideoAlphaBitmap_Alpha;
if (TransColor!=CLR_INVALID) {
ab.params.dwFlags|=MFVideoAlphaBitmap_SrcColorKey;
ab.params.clrSrcKey=TransColor;
}
::GetObject(hbm,sizeof(BITMAP),&bm);
::SetRect(&ab.params.rcSrc,0,0,bm.bmWidth,bm.bmHeight);
ab.params.nrcDest.left=(float)pDestRect->left/(float)NativeSize.cx;
ab.params.nrcDest.top=(float)pDestRect->top/(float)NativeSize.cy;
ab.params.nrcDest.right=(float)pDestRect->right/(float)NativeSize.cx;
ab.params.nrcDest.bottom=(float)pDestRect->bottom/(float)NativeSize.cy;
ab.params.fAlpha=(float)Opacity/100.0f;
hr=pMixerBitmap->SetAlphaBitmap(&ab);
pMixerBitmap->Release();
pGetService->Release();
if (FAILED(hr)) {
::SelectObject(m_hdc,m_hbmOld);
return false;
}
return true;
}
bool CVideoRenderer_EVR::Initialize(IGraphBuilder *pFilterGraph,IPin *pInputPin,HWND hwndRender,HWND hwndMessageDrain)
{
#ifdef EVR_USE_VIDEO_WINDOW
static bool fRegistered=false;
HINSTANCE hinst=GetWindowInstance(hwndRender);
if (!fRegistered) {
WNDCLASS wc;
wc.style=CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc=VideoWndProc;
wc.cbClsExtra=0;
wc.cbWndExtra=0;
wc.hInstance=hinst;
wc.hIcon=NULL;
wc.hCursor=NULL;
wc.hbrBackground=CreateSolidBrush(RGB(0,0,0));
wc.lpszMenuName=NULL;
wc.lpszClassName=EVR_VIDEO_WINDOW_CLASS;
if (::RegisterClass(&wc)==0) {
SetError(TEXT("EVRウィンドウクラスを登録できません。"));
return false;
}
fRegistered=true;
}
m_hwndVideo=::CreateWindowEx(0,EVR_VIDEO_WINDOW_CLASS,NULL,
WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS,0,0,0,0,
hwndRender,NULL,hinst,this);
if (m_hwndVideo==NULL) {
SetError(TEXT("EVRウィンドウを作成できません。"));
return false;
}
#endif
HRESULT hr;
// MFStartupは呼ばなくていいらしい
/*
m_hMFPlatLib=::LoadLibrary(TEXT("mfplat.dll"));
if (m_hMFPlatLib==NULL) {
SetError(TEXT("mfplat.dllをロードできません。"));
return false;
}
MFStartupFunc pStartup=reinterpret_cast<MFStartupFunc>(::GetProcAddress(m_hMFPlatLib,"MFStartup"));
if (pStartup==NULL) {
SetError(TEXT("MFStartup関数のアドレスを取得できません。"));
goto OnError;
}
hr=pStartup(MF_VERSION,MFSTARTUP_LITE);
if (FAILED(hr)) {
SetError(TEXT("Media Foundationの初期化ができません。"));
goto OnError;
}
*/
hr=::CoCreateInstance(CLSID_EnhancedVideoRenderer,NULL,CLSCTX_INPROC_SERVER,
IID_IBaseFilter,reinterpret_cast<LPVOID*>(&m_pRenderer));
if (FAILED(hr)) {
SetError(hr,TEXT("EVRのインスタンスを作成できません。"),
TEXT("システムがEVRに対応していない可能性があります。"));
goto OnError;
}
IEVRFilterConfig *pFilterConfig;
hr=m_pRenderer->QueryInterface(IID_IEVRFilterConfig,reinterpret_cast<LPVOID*>(&pFilterConfig));
if (FAILED(hr)) {
SetError(hr,TEXT("IEVRFilterConfigを取得できません。"));
goto OnError;
}
pFilterConfig->SetNumberOfStreams(1);
pFilterConfig->Release();
hr=pFilterGraph->AddFilter(m_pRenderer,L"EVR");
if (FAILED(hr)) {
SetError(hr,TEXT("EVRをフィルタグラフに追加できません。"));
goto OnError;
}
IFilterGraph2 *pFilterGraph2;
hr=pFilterGraph->QueryInterface(IID_IFilterGraph2,
reinterpret_cast<LPVOID*>(&pFilterGraph2));
if (FAILED(hr)) {
SetError(hr,TEXT("IFilterGraph2を取得できません。"));
goto OnError;
}
hr=pFilterGraph2->RenderEx(pInputPin,
AM_RENDEREX_RENDERTOEXISTINGRENDERERS,NULL);
pFilterGraph2->Release();
if (FAILED(hr)) {
SetError(hr,TEXT("映像レンダラを構築できません。"));
goto OnError;
}
IMFGetService *pGetService;
hr=m_pRenderer->QueryInterface(IID_IMFGetService,reinterpret_cast<LPVOID*>(&pGetService));
if (FAILED(hr)) {
SetError(hr,TEXT("IMFGetServiceを取得できません。"));
goto OnError;
}
IMFVideoDisplayControl *pDisplayControl;
hr=pGetService->GetService(MR_VIDEO_RENDER_SERVICE,IID_IMFVideoDisplayControl,reinterpret_cast<LPVOID*>(&pDisplayControl));
if (FAILED(hr)) {
pGetService->Release();
SetError(hr,TEXT("IMFVideoDisplayControlを取得できません。"));
goto OnError;
}
#ifdef EVR_USE_VIDEO_WINDOW
pDisplayControl->SetVideoWindow(m_hwndVideo);
#else
pDisplayControl->SetVideoWindow(hwndRender);
#endif
pDisplayControl->SetAspectRatioMode(MFVideoARMode_None);
/*
RECT rc;
::GetClientRect(hwndRender,&rc);
pDisplayControl->SetVideoPosition(NULL,&rc);
*/
pDisplayControl->SetBorderColor(RGB(0,0,0));
pDisplayControl->Release();
IMFVideoProcessor *pVideoProcessor;
hr=pGetService->GetService(MR_VIDEO_MIXER_SERVICE,IID_IMFVideoProcessor,reinterpret_cast<LPVOID*>(&pVideoProcessor));
if (FAILED(hr)) {
pGetService->Release();
SetError(hr,TEXT("IMFVideoProcessorを取得できません。"));
goto OnError;
}
pVideoProcessor->SetBackgroundColor(RGB(0,0,0));
/*
UINT NumModes;
GUID *pProcessingModes;
if (SUCCEEDED(pVideoProcessor->GetAvailableVideoProcessorModes(&NumModes,&pProcessingModes))) {
#ifdef _DEBUG
for (UINT i=0;i<NumModes;i++) {
DXVA2_VideoProcessorCaps Caps;
if (SUCCEEDED(pVideoProcessor->GetVideoProcessorCaps(&pProcessingModes[i],&Caps))) {
TRACE(TEXT("EVR Video Processor %u\n"),i);
TRACE(TEXT("DeviceCaps : %s\n"),
Caps.DeviceCaps==DXVA2_VPDev_EmulatedDXVA1?
TEXT("DXVA2_VPDev_EmulatedDXVA1"):
Caps.DeviceCaps==DXVA2_VPDev_HardwareDevice?
TEXT("DXVA2_VPDev_HardwareDevice"):
Caps.DeviceCaps==DXVA2_VPDev_SoftwareDevice?
TEXT("DXVA2_VPDev_SoftwareDevice"):TEXT("Unknown"));
}
}
#endif
for (UINT i=0;i<NumModes;i++) {
DXVA2_VideoProcessorCaps Caps;
if (SUCCEEDED(pVideoProcessor->GetVideoProcessorCaps(&pProcessingModes[i],&Caps))) {
if (Caps.DeviceCaps==DXVA2_VPDev_HardwareDevice) {
pVideoProcessor->SetVideoProcessorMode(&pProcessingModes[i]);
break;
}
}
}
::CoTaskMemFree(pProcessingModes);
}
*/
pVideoProcessor->Release();
pGetService->Release();
m_pFilterGraph=pFilterGraph;
m_hwndRender=hwndRender;
#ifdef EVR_USE_VIDEO_WINDOW
m_hwndMessageDrain=hwndMessageDrain;
#endif
ClearError();
return true;
OnError:
SAFE_RELEASE(m_pRenderer);
#ifdef EVR_USE_VIDEO_WINDOW
::DestroyWindow(m_hwndVideo);
m_hwndVideo=NULL;
#endif
/*
if (m_hMFPlatLib) {
::FreeLibrary(m_hMFPlatLib);
m_hMFPlatLib=NULL;
}
*/
return false;
}