cra2ihxaenc.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 _HXENCODER_H_
#define _HXENCODER_H_

// $Private

#include "hxcom.h"
#include "hxtypes.h"
#include "hxresult.h"
#include "hxacodec.h"
#include "racodec.h"

/* opaque declarations */
DECLARE_INTERFACE(IQueryDecoderUnit) ;
DECLARE_INTERFACE(IPrepareDecoderUnit) ;

// did not want to put this into racodec.h...
extern int RAHaveSetPassword(void) ;

class HXAudioEncoder : IHXAudioEncoder, IHXAudioEncoderConfigurator, IHXCodecOldStyleAuthenticate
{
public:
    HXAudioEncoder() ;
    HX_RESULT Init() ;

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

    STDMETHOD_(ULONG32,AddRef)	(THIS) ;

    STDMETHOD_(ULONG32,Release)	(THIS) ;

    /*
     * IHXAudioEncoder configuration/encoding methods
     */

    STDMETHOD_(UINT32,GetNumberOfFlavors) (THIS) CONSTMETHOD ;

    STDMETHOD(GetFlavorProperty) (THIS_
                                  INT32 flvIndex,
                                  PROPERTY_LONG p,
                                  INT32&  l) CONSTMETHOD ;

    STDMETHOD(GetFlavorProperty) (THIS_
                                  INT32 flvIndex,
                                  PROPERTY_FLOAT p,
                                  float& l) CONSTMETHOD ;

    // on input, set buflen to what you have reserved. On output, will be set to space needed.
    // if space not sufficient, no copy will be done.
    STDMETHOD(GetFlavorProperty) (THIS_
                                  INT32 flvIndex,
                                  PROPERTY_VOID p,
                                  void*  v,
                                  UINT32& buflen) CONSTMETHOD ;

    STDMETHOD(SetFlavor) (THIS_
                          INT32 nFlavor) ;

    STDMETHOD(SetOption) (THIS_
                          OPTION_LONG option, INT32 arg) ;

    STDMETHOD(OpenEncoder)(THIS) ;

    STDMETHOD(EncodeData)(THIS_
                          void *pDataIn, UINT32 nSamplesIn,
			        	  UINT32& nSamplesConsumed,
				          IQueryDecoderUnit* dataOut[], UINT32& nDecoderUnits,
                          INT32 eof) ;

    STDMETHOD_(void,CloseEncoder)(THIS) ;

	/*
	 * IHXCodecOldStyleAuthenticate methods
	 */
	STDMETHOD(SetPassword) (THIS_ const char* password) ;

private:
    ~HXAudioEncoder() ;

    // Declaring these private, and not providing an implementation
    // makes it a compile error to accidentally try to use them
    HXAudioEncoder( const HXAudioEncoder& ) ;
    HXAudioEncoder& operator =( const HXAudioEncoder& ) ;

    HX_RESULT CreateIPrepareDecoderUnit(IPrepareDecoderUnit*& ppi) ;
    HX_RESULT retrieveProperties(void) ;

    long m_lRefCount ;
    RACODEC mpCodecRef ;

    UINT32 mnSamplesIn, mnBytesOut ;
    INT32 mCurrentFlavorIndex ;

    short*         mpDataIn ;
    unsigned char* mpDataOut ;

    UINT32 mDataOffset ;

    struct tag_propTable {
	UINT32 bytesPerEncode, bytesPerFrame, framesPerBlock, samplesPerFrame;
    } *mpPropTable ;
} ;

// $EndPrivate

#endif // _HXENCODER_H_