miniopenwavesurf.h

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: miniopenwavesurf.h,v 1.4.12.1 2004/07/09 01:58:37 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
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 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
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 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
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 * This file is part of the Helix DNA Technology. RealNetworks is the
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 * ***** END LICENSE BLOCK ***** */

#ifndef _MOPENWAVESURF_H_
#define _MOPENWAVESURF_H_

#include "minisurf.h"
#include "minifmt.h"

class CMiniOpenwaveSurface : public CMiniBaseSurface
{
  public:
    CMiniOpenwaveSurface(IUnknown* pContext, CMiniBaseSite* pSite);
    virtual ~CMiniOpenwaveSurface();
    
    virtual HX_RESULT _CreateDestBuffer(int cidIn, int nWidth, int nHeight, int& nCount); 
                     
    virtual HX_RESULT _LockDestBuffer(UCHAR** ppDestPtr,
                                      LONG32* pnDestPitch,
                                      int& cid,
                                      REF(HXxSize) srcSize,
                                      int nIndex=0);
                     
    virtual HX_RESULT _TransferToDestBuffer(UCHAR* pSrcBuffer,
                                            HXBitmapInfoHeader* pBitmapInfo,
                                            HXxRect* prSrcRect,
                                            HXxRect* prDstRect,
                                            UCHAR* pDstBuffer,
                                            LONG32 nDstPitch);
                     
    virtual HX_RESULT _UnlockDestBuffer(UCHAR* pSurfPtr, int nIndex=0);
    virtual HX_RESULT _RenderDestBuffer(HXxRect* prSrcRect,
                                        HXxRect* prDstRect,
                                        int nIndex=0);
    
    virtual HX_RESULT _DestroyDestBuffer(int cid, int nCount=1); 

    virtual HX_RESULT _init();
  protected:

    virtual int GetDstCID(int nIndex=0);

  private:

    UINT32 m_ulTotalFramesBlted;

	UCHAR* m_pCompositionSurface;
	UINT32 m_nCompositionPitch;
	UINT32 m_nCompositionSize;
	HXxSize       m_surfaceSize;

	int		m_cidIn;
	int     m_cidOut;

	HX_RESULT _ResizeVideoBuffer( INT32 nSize);
    
};

#endif //_MOPENWAVESURF_H_