105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
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/*****************************************************************************
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INTEL CORPORATION PROPRIETARY INFORMATION
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This software is supplied under the terms of a license agreement or
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nondisclosure agreement with Intel Corporation and may not be copied
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or disclosed except in accordance with the terms of that agreement.
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Copyright(c) 2005-2014 Intel Corporation. All Rights Reserved.
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*****************************************************************************/
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#include "common_utils.h"
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// ATTENTION: If D3D surfaces are used, DX9_D3D or DX11_D3D must be set in project settings or hardcoded here
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#ifdef DX9_D3D
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#include "common_directx.h"
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#elif DX11_D3D
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#include "common_directx11.h"
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#endif
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/* =======================================================
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* Windows implementation of OS-specific utility functions
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*/
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mfxStatus Initialize(mfxIMPL impl, mfxVersion ver, MFXVideoSession* pSession, mfxFrameAllocator* pmfxAllocator, bool bCreateSharedHandles)
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{
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bCreateSharedHandles; // (Hugh) Currently unused
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pmfxAllocator; // (Hugh) Currently unused
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mfxStatus sts = MFX_ERR_NONE;
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// If mfxFrameAllocator is provided it means we need to setup DirectX device and memory allocator
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if (pmfxAllocator) {
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// Initialize Intel Media SDK Session
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sts = pSession->Init(impl, &ver);
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MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
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// Create DirectX device context
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mfxHDL deviceHandle;
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sts = CreateHWDevice(*pSession, &deviceHandle, NULL, bCreateSharedHandles);
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MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
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// Provide device manager to Media SDK
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sts = pSession->SetHandle(DEVICE_MGR_TYPE, deviceHandle);
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MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
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pmfxAllocator->pthis = *pSession; // We use Media SDK session ID as the allocation identifier
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pmfxAllocator->Alloc = simple_alloc;
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pmfxAllocator->Free = simple_free;
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pmfxAllocator->Lock = simple_lock;
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pmfxAllocator->Unlock = simple_unlock;
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pmfxAllocator->GetHDL = simple_gethdl;
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// Since we are using video memory we must provide Media SDK with an external allocator
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sts = pSession->SetFrameAllocator(pmfxAllocator);
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MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
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}
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else
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{
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// Initialize Intel Media SDK Session
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sts = pSession->Init(impl, &ver);
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MSDK_CHECK_RESULT(sts, MFX_ERR_NONE, sts);
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}
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return sts;
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}
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void Release()
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{
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#if defined(DX9_D3D) || defined(DX11_D3D)
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CleanupHWDevice();
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#endif
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}
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void mfxGetTime(mfxTime* timestamp)
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{
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QueryPerformanceCounter(timestamp);
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}
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double TimeDiffMsec(mfxTime tfinish, mfxTime tstart)
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{
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static LARGE_INTEGER tFreq = { 0 };
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if (!tFreq.QuadPart) QueryPerformanceFrequency(&tFreq);
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double freq = (double)tFreq.QuadPart;
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return 1000.0 * ((double)tfinish.QuadPart - (double)tstart.QuadPart) / freq;
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}
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/* (Hugh) Functions currently unused */
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#if 0
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void ClearYUVSurfaceVMem(mfxMemId memId)
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{
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#if defined(DX9_D3D) || defined(DX11_D3D)
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ClearYUVSurfaceD3D(memId);
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#endif
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}
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void ClearRGBSurfaceVMem(mfxMemId memId)
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{
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#if defined(DX9_D3D) || defined(DX11_D3D)
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ClearRGBSurfaceD3D(memId);
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#endif
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}
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#endif
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