//
// CFilePlayer::GetColorKeyInternal(): Private method to query the color key
// value from teh first input pin of the OverlayMixer.
//
HRESULT CFilePlayer::GetColorKeyInternal(IBaseFilter *pOvM)
{
DbgLog((LOG_TRACE, 5, TEXT("CFilePlayer::GetColorKeyInternal() entered"))) ;
if (NULL == pOvM)
return E_INVALIDARG ;
IEnumPins *pEnumPins ;
IPin *pPin ;
ULONG ul ;
PIN_DIRECTION pd ;
DWORD dwColorKey ;
IMixerPinConfig *pMPC ;
HRESULT hr = pOvM->EnumPins(&pEnumPins) ;
ASSERT(pEnumPins) ;
while (S_OK == pEnumPins->Next(1, &pPin, &ul) && 1 == ul) // try all pins
{
pPin->QueryDirection(&pd) ;
if (PINDIR_INPUT == pd) // only the 1st in pin
{
hr = pPin->QueryInterface(IID_IMixerPinConfig, (LPVOID *) &pMPC) ;
ASSERT(SUCCEEDED(hr) && pMPC) ;
hr = pMPC->GetColorKey(NULL, &dwColorKey) ; // just get the physical color
SetColorKey(dwColorKey) ;
// Set mode to stretch - that way we don't fight the overlay
// mixer about the exact way to fix the aspect ratio
pMPC->SetAspectRatioMode(AM_ARMODE_STRETCHED);
ASSERT(SUCCEEDED(hr)) ;
pMPC->Release() ;
pPin->Release() ; // exiting early; release pin
break ; // we are done
}
pPin->Release() ;
}
pEnumPins->Release() ; // done with pin enum
return S_OK ;
}
/*
* Class: sage_DShowMediaPlayer
* Method: getColorKey0
* Signature: (J)Ljava/awt/Color;
*/
JNIEXPORT jobject JNICALL Java_sage_DShowMediaPlayer_getColorKey0
(JNIEnv *env, jobject jo, jlong dataPtr)
{
if (!dataPtr) return 0;
CPlayerData* playData = (CPlayerData*) dataPtr;
IGraphBuilder* pGraph = playData->GetGraph();
if (!pGraph) return 0;
BOOL forceColorKey = FALSE;
HRESULT hr;
DWORD holder;
HKEY myKey;
DWORD readType;
DWORD hsize = sizeof(holder);
DWORD keyedColor = RGB(1,1,1);
if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Frey Technologies\\Common\\DirectShow", 0, 0,
REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0, &myKey, 0) == ERROR_SUCCESS)
{
if (RegQueryValueEx(myKey, "TransparentColorKey", 0, &readType, (LPBYTE) &holder, &hsize) == ERROR_SUCCESS)
{
keyedColor = holder;
forceColorKey = TRUE;
}
RegCloseKey(myKey);
}
COLORKEY overlayKey;
overlayKey.KeyType = CK_RGB;
overlayKey.PaletteIndex = 0;
overlayKey.LowColorValue = keyedColor;
overlayKey.HighColorValue = keyedColor;
COLORKEY defaultKey;
BOOL overlayIsUsed = FALSE;
IEnumFilters *pEnum = NULL;
if (!forceColorKey)
{
// Find the default color key
hr = pGraph->EnumFilters(&pEnum);
if (SUCCEEDED(hr))
{
IBaseFilter *currFilt = NULL;
while (pEnum->Next(1, &currFilt, NULL) == S_OK)
{
IPin *overlayPin = NULL;
IEnumPins* pPinEnum = NULL;
hr = currFilt->EnumPins(&pPinEnum);
if (hr == NO_ERROR)
{
IPin *pPin = NULL;
hr = E_FAIL;
while(S_OK == pPinEnum->Next(1, &pPin, NULL))
{
IOverlay *pOverlayPin = NULL;
hr = pPin->QueryInterface(IID_IOverlay, (void**)&pOverlayPin);
if (SUCCEEDED(hr))
{
hr = pOverlayPin->GetDefaultColorKey(&defaultKey);
if (!forceColorKey && SUCCEEDED(hr))
{
keyedColor = defaultKey.LowColorValue;
slog((env, "Got the default color key 0x%x\r\n", keyedColor));
//forceColorKey = TRUE;
}
SAFE_RELEASE(pOverlayPin);
}
SAFE_RELEASE(pPin);
}
SAFE_RELEASE(pPinEnum);
}
SAFE_RELEASE(currFilt);
}
SAFE_RELEASE(pEnum);
}
}
pEnum = NULL;
// Set the color key value
hr = pGraph->EnumFilters(&pEnum);
if (SUCCEEDED(hr))
{
IBaseFilter *currFilt = NULL;
while (pEnum->Next(1, &currFilt, NULL) == S_OK)
{
IPin *overlayPin = NULL;
IEnumPins* pPinEnum = NULL;
currFilt->EnumPins(&pPinEnum);
while (pPinEnum->Next(1, &overlayPin, NULL) == S_OK)
{
// let's see if it's overlay
IMixerPinConfig *pOverlayMix = NULL;
hr = overlayPin->QueryInterface(IID_IMixerPinConfig, (void**)&pOverlayMix);
if (SUCCEEDED(hr))
{
if (!forceColorKey)
keyedColor = overlayKey.LowColorValue;
else
overlayKey.LowColorValue = overlayKey.HighColorValue = keyedColor;
IPin* testPin = NULL;
overlayPin->ConnectedTo(&testPin);
BOOL currPinUsed = FALSE;
if (testPin)
{
currPinUsed = TRUE;
SAFE_RELEASE(testPin);
}
if (currPinUsed)
{
if (forceColorKey)
{
slog((env, "Setting the color key to 0x%x\r\n", keyedColor));
hr = pOverlayMix->SetColorKey(&overlayKey);
}
else
{
hr = pOverlayMix->GetColorKey(&defaultKey, &keyedColor);
slog((env, "Got the default overlay color key of 0x%x\r\n", keyedColor));
}
// HTESTPRINT(hr);
if (!overlayIsUsed)
{
// Force the color key on all connected mixer pins to match
overlayIsUsed = TRUE;
forceColorKey = TRUE;
}
}
SAFE_RELEASE(pOverlayMix);
}
SAFE_RELEASE(overlayPin);
}
SAFE_RELEASE(pPinEnum);
SAFE_RELEASE(currFilt);
}
SAFE_RELEASE(pEnum);
}
static jclass colorClass = (jclass) env->NewGlobalRef(env->FindClass("java/awt/Color"));
static jmethodID constMeth = env->GetMethodID(colorClass, "<init>", "(I)V");
// Set the alpha to be 255 for the color.
keyedColor = keyedColor | 0xFF000000;
slog((env, "Returning the color key as 0x%x\r\n", keyedColor));
return env->NewObject(colorClass, constMeth, keyedColor);
}