//?VideoDrawer.cpp:?implementation?of?the?CDDrawData?class.
//
//////////////////////////////////////////////////////////////////////

#include?“DDrawData.h“


//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////
#define?SAFE_RELEASE（p）?{?if?（?（p）?）?{?（p）->Release（）;?（p）?=?0;?}?}

CDDrawData::CDDrawData（）
{
????m_pDD????????????????=?NULL;
????m_pddsFrontBuffer????=?NULL;
????m_pddsBackBuffer?????=?NULL;

????m_dwWidth?=?0;
????m_dwHeight?=?0;
}

CDDrawData::~CDDrawData（）
{
????Destroyobjects（）;
}

HRESULT?CDDrawData::Init（HWND?hWndRECT?rect）
{
????HRESULT?hr;

????//?Cleanup?anything?from?a?previous?call
????Destroyobjects（）;

????//?DDraw?stuff?begins?here

????if（?FAILED（?hr?=?DirectDrawCreateEx（?NULL?（VOID**）&m_pDD
?????????????????????????????????????????IID_IDirectDraw7?NULL?）?）?）
????????return?E_FAIL;

????//?Set?cooperative?level
????hr?=?m_pDD->SetCooperativeLevel（?hWnd?DDSCL_NORMAL?）;
????if（?FAILED（hr）?）
????????return?E_FAIL;
????
????DWORD?dwWidthdwHeight;
????dwWidth?=?rect.right-rect.left;
????dwHeight?=?rect.bottom?-?rect.top;

?/*???RECT??rcWork;
????RECT??rc;
????DWORD?dwstyle;

????//?If?we?are?still?a?WS_POPUP?window?we?should?convert?to?a?normal?app
????//?window?so?we?look?like?a?windows?app.
????dwstyle??=?GetWindowstyle（?hWnd?）;
????dwstyle?&=?~WS_POPUP;
????dwstyle?|=?WS_OVERLAPPED?|?WS_CAPTION?|?WS_THICKframe?|?WS_MINIMIZEBOX;
????SetWindowLong（?hWnd?GWL_style?dwstyle?）;

????//?Aet?window?size
????SetRect（?&rc?0?0?dwWidth?dwHeight?）;

????AdjustWindowRectEx（?&rc?GetWindowstyle（hWnd）?GetMenu（hWnd）?!=?NULL
????????????????????????GetWindowExstyle（hWnd）?）;

????SetWindowPos（?hWnd?NULL?0?0?rc.right-rc.left?rc.bottom-rc.top
??????????????????SWP_NOMOVE?|?SWP_NOZORDER?|?SWP_NOACTIVATE?）;

????SetWindowPos（?hWnd?HWND_NOTOPMOST?0?0?0?0
??????????????????SWP_NOSIZE?|?SWP_NOMOVE?|?SWP_NOACTIVATE?）;

????//??Make?sure?our?window?does?not?hang?outside?of?the?work?area
????SystemParametersInfo（?SPI_GETWORKAREA?0?&rcWork?0?）;
????GetWindowRect（?hWnd?&rc?）;
????if（?rc.left?????if（?rc.top??????SetWindowPos（?hWnd?NULL?rc.left?rc.top?0?0
??????????????????SWP_NOSIZE?|?SWP_NOZORDER?|?SWP_NOACTIVATE?）;
*/
????GetWindowRect（?hWnd?&m_rcWindow?）;

????LPDIRECTDRAWCLIPPER?pcClipper;
????
????//?Create?the?primary?surface
????DDSURFACEDESC2?ddsd;
????ZeroMemory（?&ddsd?sizeof（?ddsd?）?）;
????ddsd.dwSize?????????=?sizeof（?ddsd?）;
????ddsd.dwFlags????????=?DDSD_CAPS;
????ddsd.ddsCaps.dwCaps?=?DDSCAPS_PRIMARYSURFACE;

????if（?FAILED（?m_pDD->CreateSurface（?&ddsd?&m_pddsFrontBuffer?NULL?）?）?）
????????return?E_FAIL;

?????if（?FAILED（?hr?=?m_pDD->CreateClipper（?0?&pcClipper?NULL?）?）?）
????????return?E_FAIL;

????if（?FAILED（?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????7995??2014-03-10?15:46??yuvdisplay.cpp

?????文件????????904??2014-03-10?15:46??yuvdisplay.h

?????文件??????13969??2014-03-10?15:46??DDrawData.cpp

?????文件???????2169??2014-03-10?15:46??DDrawData.h

?????文件???????6431??2014-10-21?09:49??DecoderRtp.cpp

?????文件???????1073??2014-10-21?09:49??DecoderRtp.h

-----------?---------??----------?-----??----

????????????????32541????????????????????6