sdl_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 __SDL_VIDEO_RENDER_H__
#define __SDL_VIDEO_RENDER_H__

#include "umc_defs.h"

#if defined(UMC_ENABLE_SDL_VIDEO_RENDER)

#include "base_video_render.h"
#include "umc_mutex.h"
#include <SDL/SDL.h>

namespace UMC
{

class SDLVideoRender: public BaseVideoRender
{
public:
    // Default constructor
    SDLVideoRender();
    // Destructor
    virtual ~SDLVideoRender();

    // Initialize the render
    virtual Status Init(MediaReceiverParams* pInit);

    //  Temporary stub, will be removed in future
    virtual Status Init(VideoRenderParams& rInit)
    {   return Init(&rInit); }

    // Peek presentation of next frame, return presentation time
    virtual double GetRenderFrame();

    // Functions to render a video frame
    virtual Status RenderFrame();

    // Resize the display rectangular
    virtual Status ResizeDisplay(UMC::RECT &disp, UMC::RECT &range);

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

    // SDLVideoRender extensions
    virtual Status SetFullScreen(ModuleContext& rContext, bool bFullScreen);

    // Close the render
    virtual Status Close();

protected:

    virtual int LockSurface(unsigned char** vidmem);
    virtual int UnlockSurface(unsigned char** vidmem);

    SDL_Surface *m_Surface;
    Uint32      m_ofmt;
};

} // namespace UMC

#endif // defined(UMC_ENABLE_SDL_VIDEO_RENDER)

#endif // __SDL_VIDEO_RENDER_H__