rvxvdec.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 116 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 __RVXVDEC_H__
#define __RVXVDEC_H__

/****************************************************************************
 *  Defines
 */
#define MAX_DECODE_QUALITY  100

/****************************************************************************
 *  Includes
 */
#include "mdpkt.h"
#include "codeclib.h"


/****************************************************************************
 *  Globals
 */
class CRVXVideoFormat;
class CRADynamicCodecLibrary;


/****************************************************************************
 *  CRVXVDecoder
 */
class CRVXVDecoder
{
public:
    CRVXVDecoder();
    virtual ~CRVXVDecoder();

    HX_RESULT Init(IUnknown* pContext,
		   CRVXVideoFormat* pVideoFormat,
		   HXxSize* pSize,
		   IHX20MemoryAllocator* pInputAllocator,
		   IHX20MemoryAllocator* pOutputAllocator);
    HX_RESULT Decode(CMediaPacket* pFrameToDeocde,
		     ULONG32 ulQuality);
    HX_RESULT DecodeDone(HXCODEC_DATA* pData);
    HX_RESULT GetImageInfo(HX_MOF* &pImageInfo);
    HX_MOFTAG GetMofTagIn(void)	{ return m_moftagIn; }

    void ResetSequence(ULONG32 ulNewSequenceStartTS);
    
    HX_RESULT Close(void);

    static HX_RESULT STDMETHODCALLTYPE OnNewImage(HXSTREAM streamRef, 
						  HXSTREAM fromStreamRef,	
						  HXCODEC_DATA *pData);

protected:
    HX_RESULT OpenCodec(const HX_MOF* pMofIn);
    HX_RESULT OpenStream(const HX_MOF* pMofIn);
    virtual CRADynamicCodecLibrary* CreateCodecLibrary();

    void SetCodecQuality(void);
    HX_RESULT GetQualityPreference(UINT16 &usQuality);
    virtual HX_RESULT CheckCallback(HXSTREAM pStream) { return HXR_OK; }

    IUnknown*			m_pContext;

    CRVXVideoFormat*		m_pVideoFormat;

    IHX20MemoryAllocator*	m_pInputAllocator;
    IHX20MemoryAllocator*	m_pOutputAllocator;

    CRADynamicCodecLibrary*	m_pCodecLib;
    HXCODEC			m_pCodec;
    HXSTREAM			m_pStream;
    char*			m_pCodecId;
    HX_MOFTAG			m_moftagIn;
    HX_MOFTAG			m_moftagOut;
    ULONG32*			m_pImageInfoBuffer;
    ULONG32			m_ulSequenceStartTS;
    BOOL			m_bNewSequence;

    ULONG32			m_ulLastTimeStamp;
};

#endif // __RVXVDEC_H__