pxparse.h

来自「著名的 helix realplayer 基于手机 symbian 系统的 播放」· C头文件 代码 · 共 88 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 
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 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#ifndef PXPARSE_H
#define PXPARSE_H

class PXParseSession : public CHXBaseCountingObject,
                       public IUnknown
{
public:
    PXParseSession();
    virtual ~PXParseSession();

    // IUnknown methods
    STDMETHOD(QueryInterface)  (THIS_ REFIID riid, void** ppvObj);
    STDMETHOD_(UINT32,AddRef)  (THIS);
    STDMETHOD_(UINT32,Release) (THIS);

    // PXParseSession methods
    HX_RESULT InitSize(UINT32 ulSize);
    HX_RESULT SetSize(UINT32 ulSize);
    UINT32    GetSize();
    HX_RESULT AddPacket(IHXBuffer* pDataBuffer,
                        IHXBuffer* pOpaqueBuffer,
                        BOOL        bRequired);
    HX_RESULT GetPacket(UINT32           ulPacketIndex,
                        REF(IHXBuffer*) rpDataBuffer,
                        REF(IHXBuffer*) rpOpaqueBuffer,
                        REF(BOOL)        rbRequired);

    UINT32    GetNumPackets()            const { return m_ulNumPackets;            }
    UINT32    GetMaxPacketSize()         const { return m_ulMaxPacketSize;         }
    UINT32    GetMinPacketSize()         const { return m_ulMinPacketSize;         }
    UINT32    GetTotalBytes()            const { return m_ulTotalBytes;            }
    UINT32    GetTotalRequiredBytes()    const { return m_ulTotalRequiredBytes;    }
    UINT32    GetTotalNonRequiredBytes() const { return m_ulTotalNonRequiredBytes; }
protected:
    struct PacketInfo
    {
        IHXBuffer* m_pDataBuffer;
        IHXBuffer* m_pOpaqueBuffer;
        BOOL        m_bRequired;
    };

    INT32        m_lRefCount;
    CHXPtrArray* m_pPacketInfoArray;
    UINT32       m_ulNumPackets;
    UINT32       m_ulMaxPacketSize;
    UINT32       m_ulMinPacketSize;
    UINT32       m_ulTotalBytes;
    UINT32       m_ulTotalRequiredBytes;
    UINT32       m_ulTotalNonRequiredBytes;
};

#endif