dunitprvt.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** 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 _DUNITPRVT_H_
#define _DUNITPRVT_H_

#include "hxcom.h"
#include "hxacodec.h"

/****************************************************************************
 * 
 *  Interface:
 *
 *	IPrepareDecoderUnit
 *
 *  Purpose:
 *
 *	Interface for Decoder Unit object preparation. Used by encoder.
 *
 *  IID_IPrepareDecoderUnit
 *
 *	{655DD923-03AB-45b2-B91E-0F4657EC9DC3}
 *
 */

DEFINE_GUID(IID_IPrepareDecoderUnit,
0x655dd923, 0x3ab, 0x45b2, 0xb9, 0x1e, 0xf, 0x46, 0x57, 0xec, 0x9d, 0xc3);

#undef  INTERFACE
#define INTERFACE   IPrepareDecoderUnit

DECLARE_INTERFACE_(IPrepareDecoderUnit, IQueryDecoderUnit)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    /*
     *	IQueryDecoderUnit methods
     */
    STDMETHOD(getData)	(THIS_
				const char*& data, UINT32& nBytes, UINT32& nSamples) CONSTMETHOD PURE ;
    STDMETHOD_(INT32,getBufferFullness) (THIS_) CONSTMETHOD PURE ;

    /*
     *	IPrepareDecoderUnit methods
     */
    STDMETHOD(putData)	(THIS_
				const char *data, UINT32 nBytes, UINT32 nSamples) PURE ;
    STDMETHOD(setBufferFullness) (THIS_
                INT32 bfm) PURE ;

    STDMETHOD(setFlags) (THIS_
				FLAGS f) PURE ;
};

class CDecoderUnit : public IPrepareDecoderUnit
{
public:
    CDecoderUnit() ;
    ~CDecoderUnit() ;

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) ;

    STDMETHOD_(ULONG32,AddRef)	(THIS) ;

    STDMETHOD_(ULONG32,Release)	(THIS) ;

    /*
     *	IQueryDecoderUnit methods
     */
    STDMETHOD(getData)	(THIS_
				const char*& data, UINT32& nBytes, UINT32& nSamples) CONSTMETHOD ;
    STDMETHOD_(INT32,getBufferFullness) (THIS_) CONSTMETHOD ;

    STDMETHOD_(FLAGS, getFlags) (THIS_) CONSTMETHOD ;

    /*
     *	IPrepareDecoderUnit methods
     */
    STDMETHOD(putData)	(THIS_
				const char *data, UINT32 nBytes, UINT32 nSamples) ;
    STDMETHOD(setBufferFullness) (THIS_
                INT32 bfm) ;

    STDMETHOD(setFlags) (THIS_
				FLAGS f) ;
private:
    UINT32 mSamples ;
    signed long mBufferFullness ;

    UINT32 mSize ;
    UINT32 mDataMaxsize ;
    char *mpData ;

    FLAGS mFlags ;

    long m_lRefCount ;
} ;

#endif // _DUNITPRVT_H_