d3dAllocator.hpp

#pragma once

#if defined(_WIN32) || defined(_WIN64)

#include "baseAllocator.hpp"

#include <atlbase.h>
#include <d3d9.h>
#include <dxva2api.h>

enum eTypeHandle { DXVA2_PROCESSOR = 0x00, DXVA2_DECODER = 0x01 };

struct D3DAllocatorParams : mfxAllocatorParams {
  IDirect3DDeviceManager9 *pManager;
  DWORD surfaceUsage;

  D3DAllocatorParams() : pManager(), surfaceUsage() {}
};

class D3DFrameAllocator : public BaseFrameAllocator {
 public:
  D3DFrameAllocator();
  virtual ~D3DFrameAllocator();

  virtual mfxStatus Init(mfxAllocatorParams *pParams);
  virtual mfxStatus Close();

  virtual IDirect3DDeviceManager9 *GetDeviceManager() { return m_manager; };

  virtual mfxStatus LockFrame(mfxMemId mid, mfxFrameData *ptr);
  virtual mfxStatus UnlockFrame(mfxMemId mid, mfxFrameData *ptr);
  virtual mfxStatus GetFrameHDL(mfxMemId mid, mfxHDL *handle);

 protected:
  virtual mfxStatus CheckRequestType(mfxFrameAllocRequest *request);
  virtual mfxStatus ReleaseResponse(mfxFrameAllocResponse *response);
  virtual mfxStatus AllocImpl(mfxFrameAllocRequest *request, mfxFrameAllocResponse *response);

  CComPtr<IDirect3DDeviceManager9> m_manager;
  CComPtr<IDirectXVideoDecoderService> m_decoderService;
  CComPtr<IDirectXVideoProcessorService> m_processorService;
  HANDLE m_hDecoder;
  HANDLE m_hProcessor;
  DWORD m_surfaceUsage;
};

#endif  // #if defined( _WIN32 ) || defined ( _WIN64 )