/
Activate.cpp
213 lines (182 loc) · 4.21 KB
/
Activate.cpp
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#include "Activate.h"
HRESULT DX11VideoRenderer::CActivate::CreateInstance(HWND hwnd, IMFActivate** ppActivate)
{
if (ppActivate == NULL)
{
return E_POINTER;
}
CActivate* pActivate = new CActivate();
if (pActivate == NULL)
{
return E_OUTOFMEMORY;
}
pActivate->AddRef();
HRESULT hr = S_OK;
do
{
hr = pActivate->Initialize();
if (FAILED(hr))
{
break;
}
hr = pActivate->QueryInterface(IID_PPV_ARGS(ppActivate));
if (FAILED(hr))
{
break;
}
pActivate->m_hwnd = hwnd;
}
while (FALSE);
SafeRelease(pActivate);
return hr;
}
// IUnknown
ULONG DX11VideoRenderer::CActivate::AddRef(void)
{
return InterlockedIncrement(&m_lRefCount);
}
// IUnknown
HRESULT DX11VideoRenderer::CActivate::QueryInterface(REFIID iid, __RPC__deref_out _Result_nullonfailure_ void** ppv)
{
if (!ppv)
{
return E_POINTER;
}
if (iid == IID_IUnknown)
{
*ppv = static_cast<IUnknown*>(static_cast<IMFActivate*>(this));
}
else if (iid == __uuidof(IMFActivate))
{
*ppv = static_cast<IMFActivate*>(this);
}
else if (iid == __uuidof(IPersistStream))
{
*ppv = static_cast<IPersistStream*>(this);
}
else if (iid == __uuidof(IPersist))
{
*ppv = static_cast<IPersist*>(this);
}
else if (iid == __uuidof(IMFAttributes))
{
*ppv = static_cast<IMFAttributes*>(this);
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
// IUnknown
ULONG DX11VideoRenderer::CActivate::Release(void)
{
ULONG lRefCount = InterlockedDecrement(&m_lRefCount);
if (lRefCount == 0)
{
delete this;
}
return lRefCount;
}
// IMFActivate
HRESULT DX11VideoRenderer::CActivate::ActivateObject(__RPC__in REFIID riid, __RPC__deref_out_opt void** ppvObject)
{
HRESULT hr = S_OK;
IMFGetService* pSinkGetService = NULL;
IMFVideoDisplayControl* pSinkVideoDisplayControl = NULL;
do
{
if (m_pMediaSink == NULL)
{
hr = CMediaSink::CreateInstance(IID_PPV_ARGS(&m_pMediaSink));
if (FAILED(hr))
{
break;
}
hr = m_pMediaSink->QueryInterface(IID_PPV_ARGS(&pSinkGetService));
if (FAILED(hr))
{
break;
}
hr = pSinkGetService->GetService(MR_VIDEO_RENDER_SERVICE, IID_PPV_ARGS(&pSinkVideoDisplayControl));
if (FAILED(hr))
{
break;
}
hr = pSinkVideoDisplayControl->SetVideoWindow(m_hwnd);
if (FAILED(hr))
{
break;
}
}
hr = m_pMediaSink->QueryInterface(riid, ppvObject);
if (FAILED(hr))
{
break;
}
}
while (FALSE);
SafeRelease(pSinkGetService);
SafeRelease(pSinkVideoDisplayControl);
return hr;
}
// IMFActivate
HRESULT DX11VideoRenderer::CActivate::DetachObject(void)
{
SafeRelease(m_pMediaSink);
return S_OK;
}
// IMFActivate
HRESULT DX11VideoRenderer::CActivate::ShutdownObject(void)
{
if (m_pMediaSink != NULL)
{
m_pMediaSink->Shutdown();
SafeRelease(m_pMediaSink);
}
return S_OK;
}
// IPersistStream
HRESULT DX11VideoRenderer::CActivate::GetSizeMax(__RPC__out ULARGE_INTEGER* pcbSize)
{
return E_NOTIMPL;
}
// IPersistStream
HRESULT DX11VideoRenderer::CActivate::IsDirty(void)
{
return E_NOTIMPL;
}
// IPersistStream
HRESULT DX11VideoRenderer::CActivate::Load(__RPC__in_opt IStream* pStream)
{
return E_NOTIMPL;
}
// IPersistStream
HRESULT DX11VideoRenderer::CActivate::Save(__RPC__in_opt IStream* pStream, BOOL bClearDirty)
{
return E_NOTIMPL;
}
// IPersist
HRESULT DX11VideoRenderer::CActivate::GetClassID(__RPC__out CLSID* pClassID)
{
if (pClassID == NULL)
{
return E_POINTER;
}
*pClassID = CLSID_DX11VideoRendererActivate;
return S_OK;
}
// ctor
DX11VideoRenderer::CActivate::CActivate(void) :
m_lRefCount(0),
m_pMediaSink(NULL),
m_hwnd(NULL)
{
}
// dtor
DX11VideoRenderer::CActivate::~CActivate(void)
{
SafeRelease(m_pMediaSink);
}