int main(){
SmartPtr<int> sPtr;
sPtr.Reset(new int(999));
cout << "Dislaying content of Smart Ptr:[" << *sPtr << "]" << endl;
SmartPtr<char> charPtr(new char('R'));
cout << "Char Smart Pointer:[" << *charPtr << "]" << endl;
SmartPtr<int> iSPtr = sPtr;
cout << "Copy Contructor of int Smart Ptr:[" << *iSPtr << "]" << endl;
SmartPtr<int> isPtr2(sPtr);
cout << "Copy Assignment of int Smart Ptr:[" << *isPtr2 << "]" << endl;
#if 0
std::shared_ptr<int> foo;
cout << "empty shared ptr:[" << *foo << endl;
#endif // 0
//Followign code will fail as the smart pointer is empty, whic is the case for shared ptr as well
SmartPtr<int> isPtr3;
isPtr3 = isPtr2;
cout << "Copy Assignment of int Smart Ptr:[" << *isPtr3 << "]" << endl;
//_getche();
return 0;
}
BOOL CSampleCGB::HasMediaType(IPin *pPin, REFGUID majorType )
{
if(!pPin)
{
return FALSE;
}
SmartPtr<IEnumMediaTypes> pMediaTypes;
HRESULT hr = pPin->EnumMediaTypes(&pMediaTypes);
if(FAILED(hr))return FALSE;
hr = pMediaTypes->Reset();
if(FAILED(hr))return FALSE;
ULONG cFetched;
AM_MEDIA_TYPE* pTempMediaType;
while(S_OK == pMediaTypes->Next(1,&pTempMediaType,&cFetched))
{
if(::IsEqualGUID(pTempMediaType->majortype,majorType))
{
DeleteMediaType(pTempMediaType);
return TRUE;
}
DeleteMediaType(pTempMediaType);
}
return FALSE;
}
HRESULT CSampleCGB::FindMPEG2Pin( IBaseFilter *pFilter, IPin** ppPin )
{
if(!pFilter)return E_INVALIDARG;
SmartPtr<IEnumPins> pEnumPins;
HRESULT hr = pFilter->EnumPins(&pEnumPins);
if(FAILED(hr))return hr;
SmartPtr<IPin> pTempPin;
ULONG fetched;
PIN_DIRECTION dir;
hr = pEnumPins->Reset();
while(pTempPin.Release(),S_OK == pEnumPins->Next(1,&pTempPin,&fetched))
{
hr = pTempPin->QueryDirection(&dir);
if(FAILED(hr) || PINDIR_INPUT == dir)
{
continue;
}
if(IsMPEG2Pin(pTempPin))
{
(*ppPin) = pTempPin.Detach();
return S_OK;
}
}
return E_FAIL;
}
BOOL CSampleCGB::IsMPEG2Pin( IPin *pPin )
{
if(!pPin)return FALSE;
SmartPtr<IEnumMediaTypes> pMediaTypes;
HRESULT hr = pPin->EnumMediaTypes(&pMediaTypes);
if(FAILED(hr))return FALSE;
hr = pMediaTypes->Reset();
if(FAILED(hr))return FALSE;
ULONG fetched;
AM_MEDIA_TYPE* pTempMediaType;
while(S_OK == pMediaTypes->Next(1,&pTempMediaType,&fetched))
{
if(
(
::IsEqualGUID(pTempMediaType->majortype,MEDIATYPE_Video) ||
::IsEqualGUID(pTempMediaType->majortype,MEDIATYPE_Stream)
)
&&
(
::IsEqualGUID(pTempMediaType->subtype,MEDIASUBTYPE_MPEG2_VIDEO) ||
::IsEqualGUID(pTempMediaType->subtype,MEDIASUBTYPE_MPEG2_PROGRAM)
)
)
{
DeleteMediaType(pTempMediaType);
return TRUE;
}
DeleteMediaType(pTempMediaType);
}
return FALSE;
}
HRESULT
ISampleCaptureGraphBuilder::FindAudioPin(
IBaseFilter *pFilter,
IPin **ppPin )
{
if( !pFilter )
{
return E_POINTER;
}
SmartPtr<IEnumPins> pEnumPins;
HRESULT hr = pFilter->EnumPins( &pEnumPins );
if( FAILED( hr ) )
{
return hr;
}
SmartPtr<IPin> pTempPin;
ULONG fetched;
hr = pEnumPins->Reset( );
while( pTempPin.Release(), S_OK == pEnumPins->Next( 1, &pTempPin, &fetched ) )
{
if( IsAudioPin( pTempPin ) )
{
(*ppPin) = pTempPin.Detach();
return S_OK;
}
}
return E_FAIL;
}
//
// search the encoder that has this special medium
// video == TRUE -- look for a video pin
// video == FALSE -- look for a audio pin
//
HRESULT ISampleCaptureGraphBuilder::FindPin(
IBaseFilter *pFilter,
const REGPINMEDIUM& regPinMedium,
PIN_DIRECTION direction,
BOOL video,
IPin **ppPin)
{
if( !pFilter )
{
return E_POINTER;
}
SmartPtr<IEnumPins> pEnumPins;
HRESULT hr = pFilter->EnumPins( &pEnumPins );
if( FAILED( hr ) )
{
return hr;
}
SmartPtr<IPin> pTempPin;
ULONG fetched;
REGPINMEDIUM regPinMediumTemp;
PIN_DIRECTION dir;
hr = pEnumPins->Reset( );
while( pTempPin.Release(), S_OK == pEnumPins->Next( 1, &pTempPin, &fetched ) )
{
ASSERT( pTempPin );
hr = pTempPin->QueryDirection( &dir );
if( FAILED( hr ) || dir != direction )
{
continue;
}
hr = GetMedium( pTempPin, regPinMediumTemp );
if( FAILED( hr ) )
{
continue;
}
if( !IsVideoPin( pTempPin ) )
{
continue;
}
if( ::IsEqualGUID( regPinMediumTemp.clsMedium, regPinMedium.clsMedium ) &&
regPinMediumTemp.dw1 == regPinMedium.dw1 )
{
(*ppPin) = pTempPin.Detach();
return S_OK;
}
}
return E_FAIL;
}
SmartPtr<GameObject> Asteroids::CreateExplosion()
{
Animation *anim_ptr = AnimationManager::GetInstance().GetAnimationByName("explosion");
SmartPtr<Sprite> explosion_sprite = new Sprite(anim_ptr->GetWidth(), anim_ptr->GetHeight(), anim_ptr);
explosion_sprite->SetLoopAnimation(false);
SmartPtr<GameObject> explosion = new Explosion();
explosion->SetSprite(explosion_sprite);
explosion->Reset();
return explosion;
}
//
// Loop through every media type supported by this pin
// to see if there is one which can be considered MPEG2
//
BOOL ISampleCaptureGraphBuilder::IsMPEG2Pin( IPin *pPin )
{
if( !pPin )
{
return FALSE; // NULL pointer
}
SmartPtr<IEnumMediaTypes> pMediaTypes;
HRESULT hr = pPin->EnumMediaTypes( &pMediaTypes );
if( FAILED( hr ) )
{
return FALSE;
}
hr = pMediaTypes->Reset();
if( FAILED( hr ) )
{
return FALSE;
}
ULONG fetched;
AM_MEDIA_TYPE *mediaType;
while( S_OK == pMediaTypes->Next( 1, &mediaType, &fetched ) )
{
if(
(
::IsEqualGUID( mediaType->majortype, MEDIATYPE_Video ) ||
::IsEqualGUID( mediaType->majortype, MEDIATYPE_Stream )
)
&&
(
::IsEqualGUID( mediaType->subtype, MEDIASUBTYPE_MPEG2_VIDEO ) ||
::IsEqualGUID( mediaType->subtype, MEDIASUBTYPE_MPEG2_PROGRAM )
)
)
{
DeleteMediaType( mediaType );
return TRUE;
}
DeleteMediaType( mediaType );
}
return FALSE;
}
HRESULT CSampleCGB::FindAudioPin( IBaseFilter *pFilter, IPin **ppPin )
{
if(!pFilter)return E_POINTER;
SmartPtr<IEnumPins> pEnumPins;
HRESULT hr = pFilter->EnumPins(&pEnumPins);
if(FAILED(hr))return hr;
SmartPtr<IPin> pTempPin;
ULONG cFetched;
hr = pEnumPins->Reset();
if(FAILED(hr))return hr;
while(pTempPin.Release(),pEnumPins->Next(1,&pTempPin,&cFetched))
{
if(IsAudioPin(pTempPin))
{
*ppPin = pTempPin.Detach();
return S_OK;
}
}
return E_FAIL;
}
BOOL ISampleCaptureGraphBuilder::HasMediaType(IPin *pPin, REFGUID majorType )
{
if( !pPin )
{
return FALSE;
}
SmartPtr<IEnumMediaTypes> pMediaTypes;
HRESULT hr = pPin->EnumMediaTypes( &pMediaTypes );
if( FAILED( hr ) )
{
return FALSE;
}
hr = pMediaTypes->Reset();
if( FAILED( hr ) )
{
return FALSE;
}
ULONG fetched;
AM_MEDIA_TYPE *mediaType;
while( S_OK == pMediaTypes->Next( 1, &mediaType, &fetched ) )
{
if( ::IsEqualGUID( mediaType->majortype, majorType ) )
{
DeleteMediaType( mediaType );
return TRUE;
}
DeleteMediaType( mediaType );
}
return FALSE;
}