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/*
* (C) 2007-2012 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <dxva.h>
#include <dxva2api.h>
#include <evr.h>
class CMPCVideoDecFilter;
class CVideoDecDXVAAllocator;
interface __declspec(uuid("AE7EC2A2-1913-4a80-8DD6-DF1497ABA494"))
IMPCDXVA2Sample :
public IUnknown {
STDMETHOD_(int, GetDXSurfaceId()) = 0;
};
class CDXVA2Sample : public CMediaSample, public IMFGetService, public IMPCDXVA2Sample
{
friend class CVideoDecDXVAAllocator;
public:
CDXVA2Sample(CVideoDecDXVAAllocator* pAlloc, HRESULT* phr);
//Note: CMediaSample does not derive from CUnknown, so we cannot use the
// DECLARE_IUNKNOWN macro that is used by most of the filter classes.
STDMETHODIMP QueryInterface(REFIID riid, __deref_out void** ppv);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IMFGetService::GetService
STDMETHODIMP GetService(REFGUID guidService, REFIID riid, LPVOID* ppv);
// IMPCDXVA2Sample
STDMETHODIMP_(int) GetDXSurfaceId();
// Override GetPointer because this class does not manage a system memory buffer.
// The EVR uses the MR_BUFFER_SERVICE service to get the Direct3D surface.
STDMETHODIMP GetPointer(BYTE** ppBuffer);
private:
// Sets the pointer to the Direct3D surface.
void SetSurface(DWORD surfaceId, IDirect3DSurface9* pSurf);
CComPtr<IDirect3DSurface9> m_pSurface;
DWORD m_dwSurfaceId;
};
class CVideoDecDXVAAllocator : public CBaseAllocator
{
public:
CVideoDecDXVAAllocator(CMPCVideoDecFilter* pVideoDecFilter, HRESULT* phr);
virtual ~CVideoDecDXVAAllocator();
protected:
HRESULT Alloc();
void Free();
private:
CMPCVideoDecFilter* m_pVideoDecFilter;
IDirect3DSurface9** m_ppRTSurfaceArray;
UINT m_nSurfaceArrayCount;
};
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