gx_video_render.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifndef ___GX_VIDEO_RENDER_H___
#define ___GX_VIDEO_RENDER_H___

#include "umc_defs.h"

#if defined(UMC_ENABLE_GX_VIDEO_RENDER)

#include "mobile_video_render.h"
#include "umc_semaphore.h"
#include <winbase.h>
#include "gx.h"

namespace UMC
{

//  disable warning about not virtual destructor
#pragma warning (disable:444)

class GXVideoRenderParams: public VideoRenderParams
{
    DYNAMIC_CAST_DECL(GXVideoRenderParams, VideoRenderParams);

public:
    // Default constructor
    GXVideoRenderParams();

    HWND m_hWnd;
    COLORREF m_ColorKey;
};

#pragma warning (default:444)

class GXVideoRender: public MobileVideoRender
{
public:
    // Default constructor
    GXVideoRender();
    // Destructor
    virtual ~GXVideoRender();

    // Initialize the render, return false if failed, call Close anyway
    virtual Status Init(MediaReceiverParams* pInit);

    // Terminate the render
    virtual Status Close();

    // Lock input buffer
    virtual Status LockInputBuffer(MediaData *in);

    // Unlock input buffer
    virtual Status UnLockInputBuffer(MediaData *pInData,
                                     Status StreamStatus = UMC_OK);
    // Rendering the current frame
    virtual Status RenderFrame();

    // Show the last rendered frame
    virtual Status ShowLastFrame();

protected:

    virtual int LockSurface( unsigned char** vidmem ){ return 0; };
    virtual int UnlockSurface( unsigned char** vidmem ){ return 0; };

    COLORREF            m_color_key;
    HWND                m_hWnd;
    UMC::RECT           m_Rect;
    GXDisplayProperties m_prop;
};

} // namespace UMC

#endif // defined(UMC_ENABLE_GX_VIDEO_RENDER)

#endif // ___GX_VIDEO_RENDER_H___