本文整理汇总了C++中CComQIPtr::GetCompBufferInfo方法的典型用法代码示例。如果您正苦于以下问题:C++ CComQIPtr::GetCompBufferInfo方法的具体用法?C++ CComQIPtr::GetCompBufferInfo怎么用?C++ CComQIPtr::GetCompBufferInfo使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CComQIPtr
的用法示例。
在下文中一共展示了CComQIPtr::GetCompBufferInfo方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GetCreateVideoAcceleratorData
STDMETHODIMP CVideoDecOutputPin::GetCreateVideoAcceleratorData(const GUID *pGuid, LPDWORD pdwSizeMiscData, LPVOID *ppMiscData)
{
HRESULT hr = E_UNEXPECTED;
AMVAUncompDataInfo UncompInfo;
AMVACompBufferInfo CompInfo[30];
DWORD dwNumTypesCompBuffers = countof(CompInfo);
CComQIPtr<IAMVideoAccelerator> pAMVideoAccelerator = GetConnected();
DXVA_ConnectMode* pConnectMode;
if (pAMVideoAccelerator) {
memcpy (&UncompInfo.ddUncompPixelFormat, &m_ddUncompPixelFormat, sizeof (DDPIXELFORMAT));
UncompInfo.dwUncompWidth = m_pVideoDecFilter->PictWidthRounded();
UncompInfo.dwUncompHeight = m_pVideoDecFilter->PictHeightRounded();
hr = pAMVideoAccelerator->GetCompBufferInfo(&m_GuidDecoderDXVA1, &UncompInfo, &dwNumTypesCompBuffers, CompInfo);
if (SUCCEEDED (hr)) {
hr = m_pVideoDecFilter->CreateDXVA1Decoder (pAMVideoAccelerator, pGuid, m_dwDXVA1SurfaceCount);
if (SUCCEEDED (hr)) {
m_pVideoDecFilter->SetDXVA1Params (&m_GuidDecoderDXVA1, &m_ddUncompPixelFormat);
pConnectMode = (DXVA_ConnectMode*)CoTaskMemAlloc (sizeof(DXVA_ConnectMode));
pConnectMode->guidMode = m_GuidDecoderDXVA1;
pConnectMode->wRestrictedMode = m_pVideoDecFilter->GetDXVA1RestrictedMode();
*pdwSizeMiscData = sizeof(DXVA_ConnectMode);
*ppMiscData = pConnectMode;
}
}
}
return hr;
}