mp3draft.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 
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 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
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 * The contents of this file, and the files included with this file, are 
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 * 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 
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 * This file is part of the Helix DNA Technology. RealNetworks is the 
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 * ***** END LICENSE BLOCK ***** */ 

#ifndef MP3DRAFT_H
#define MP3DRAFT_H


// Forward declarations
typedef _INTERFACE IHXValues IHXValues;
typedef _INTERFACE IHXPacket IHXPacket;
class CMediaPacket;


class CMP3DraftPayloadFormat : public IMP4APayloadFormat
{
public:
    CMP3DraftPayloadFormat();
    virtual ~CMP3DraftPayloadFormat();

    static HX_RESULT Build(REF(IMP4APayloadFormat*) pFmt);

    // IUnknown methods
    STDMETHOD(QueryInterface)   (THIS_ REFIID riid, void** ppvObj);
    STDMETHOD_(ULONG32,AddRef)  (THIS);
    STDMETHOD_(ULONG32,Release) (THIS);

    // IHXPayloadFormatObject methods
    STDMETHOD(Init)             (THIS_ IUnknown* pContext, BOOL bPacketize);
    STDMETHOD(Close)            (THIS);
    STDMETHOD(Reset)            (THIS);
    STDMETHOD(SetStreamHeader)  (THIS_ IHXValues* pHeader);
    STDMETHOD(GetStreamHeader)  (THIS_ REF(IHXValues*) pHeader);
    STDMETHOD(SetPacket)        (THIS_ IHXPacket* pPacket);
    STDMETHOD(GetPacket)        (THIS_ REF(IHXPacket*) pOutPacket);
    STDMETHOD(Flush)            (THIS);

    // IMP4APayloadFormat methods
    virtual ULONG32      GetBitstreamHeaderSize(void);
    virtual const UINT8* GetBitstreamHeader(void);
    virtual HX_RESULT    CreateMediaPacket(CMediaPacket*& pOutMediaPacket);
    virtual HX_RESULT    SetSamplingRate(ULONG32 ulSamplesPerSecond);
    virtual HX_RESULT    SetAUDuration(ULONG32 ulAUDuration);
    virtual HX_RESULT    SetTimeAnchor(ULONG32 ulTimeMs);
    virtual ULONG32	 GetTimeBase(void);

protected:
    INT32      m_lRefCount;
    IHXPacket* m_pCurPacket;
    UINT32     m_ulHeaderSize;
    BYTE*      m_pHeader;
    UINT32     m_ulSampleRate;
    BOOL       m_bClearMainDataBegin;
};

#endif  /* #ifndef MP3DRAFT_H */