rvxvideo.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 136 行

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (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 RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#ifndef __RVXVIDEO_H__
#define __RVXVIDEO_H__

/****************************************************************************
 *  Includes
 */
#include "vidrend.h"
#include "baseobj.h"
#include "hxalloc.h"


/****************************************************************************
 *  CRVXVideoRenderer
 */
class CRVXVideoRenderer : public CVideoRenderer,
			  public CHXBaseCountingObject		
{
private:
    static const char* const	zm_pDescription;
    static const char* const 	zm_pStreamMimeTypes[];

protected:
    virtual CVideoFormat* CreateFormatObject(IHXValues* pHeader);
    const char* GetRendererName(void);

    void SetupBitmapDefaults(IHXValues* pHeader,
			     HXBitmapInfoHeader &bitmapInfoHeader);

public:
    static HX_RESULT STDAPICALLTYPE HXCreateInstance(IUnknown** ppIUnknown);
    static HX_RESULT STDAPICALLTYPE CanUnload(void);
    static HX_RESULT STDAPICALLTYPE CanUnload2(void);

    /*
     *	Constructor/Destructor
     */
    CRVXVideoRenderer(void);
    virtual ~CRVXVideoRenderer();

    /*
     *	IHXPlugin methods
     */
    /************************************************************************
     *	Method:
     *	    IHXPlugin::GetPluginInfo
     *	Purpose:
     *	    Returns the basic information about this plugin. Including:
     *
     *	    bLoadMultiple	whether or not this plugin DLL can be loaded
     *				multiple times. All File Formats must set
     *				this value to TRUE.
     *	    pDescription	which is used in about UIs (can be NULL)
     *	    pCopyright		which is used in about UIs (can be NULL)
     *	    pMoreInfoURL	which is used in about UIs (can be NULL)
     */
    STDMETHOD(GetPluginInfo)	(THIS_
				REF(BOOL)	 /*OUT*/ bLoadMultiple,
				REF(const char*) /*OUT*/ pDescription,
				REF(const char*) /*OUT*/ pCopyright,
				REF(const char*) /*OUT*/ pMoreInfoURL,
				REF(ULONG32)	 /*OUT*/ ulVersionNumber
				);

    /*
     *	IHXRenderer methods
     */
    /************************************************************************
     *	Method:
     *	    IHXRenderer::GetRendererInfo
     *	Purpose:
     *	    Returns information vital to the instantiation of rendering 
     *	    plugins.
     */
    STDMETHOD(GetRendererInfo)	(THIS_
				REF(const char**) /*OUT*/ pStreamMimeTypes,
				REF(UINT32)       /*OUT*/ unInitialGranularity
				);

    virtual HX_RESULT OnOptimizedVideo(HX_RESULT status,
				       const HXBitmapInfoHeader& sourceBIH,
				       HXBitmapInfoHeader &targetBIH, 
				       ULONG32 &ulTargetBufCount);

    virtual void OffOptimizedVideo(void);

    virtual void AdjustVideoMapping(HXxRect &destRect, 
						       HXxRect &sorcRect,
						       CMediaPacket*pActiveVideoPacket);


    CHXMemoryAllocator* m_pOutputAllocator;

    ULONG32 m_ulPadWidthLeft;
    ULONG32 m_ulPadWidthRight;
    ULONG32 m_ulPadHeightTop;
    ULONG32 m_ulPadHeightBottom;
};

#endif //__RVXVIDEO_H__