cra2ihxadec.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 ***** */ 

/* a first feeble attempt to endow the RA codecs with a new interface.
   This might not work yet. */

#ifndef _CRA2IHXADEC_H_
#define _CRA2IHXADEC_H_

/* the abstract superclass of all decoders */

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

#include "racodec.h"

// $Private

// Old decoders need to be configured with this struct.

typedef struct radecoder_init_params2
{
    RADECODER_INIT_PARAMS p ;
    int flvNumber ; // some old decoders need the flavour number, namely sipro
} RADECODER_INIT_PARAMS2 ;

/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXAudioDecoder
 *
 *  Purpose:
 *
 *	Decoding Interface for RealMedia audio codecs.
 *
 *  IID_IHXAudioDecoder
 *
 *	{71C60261-FBB1-4577-849E-703DAEB08AC6}
 *
 */

DEFINE_GUID(IID_IHXAudioDecoder,
    0x71c60261, 0xfbb1, 0x4577, 0x84, 0x9e, 0x70, 0x3d, 0xae, 0xb0, 0x8a, 0xc6);

#undef  INTERFACE
#define INTERFACE IHXAudioDecoder

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

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    STDMETHOD(OpenDecoder)      (THIS_
				 const void* initParams, int initParamsSizeof) PURE ;

    STDMETHOD(SetStreamBegin)   (THIS_
				 int& delay) PURE ;

    //    HX_RESULT DecodeData(CDecoderUnit units[], int nDecoderUnits) = 0 ;

    STDMETHOD(Conceal)          (THIS_
				 int nSamples) PURE ;

    STDMETHOD(DecodeDataRaw)    (THIS_
				 const char *data,
				 int nBytes,
				 int& nBytesConsumed,
				 short *samplesOut,
				 int& nSamplesOut,
				 int eof) PURE ;

    STDMETHOD(MaxSamplesOut)    (THIS_
				 int& nSamples) CONSTMETHOD PURE ;

    STDMETHOD_(void,CloseDecoder)(THIS) PURE ;
} ;

#if 0
/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXAudioDecoder8_0Open
 *
 *  Purpose:
 *
 *	Decoder Open Interface for old RealMedia audio codecs.
 *
 *  IID_IHXAudioDecoder
 *
 *	{43CDA01B-B55D-445a-83C7-BA53B7631494}
 *
 */
DEFINE_GUID(IHXAudioDecoder8_0Open,
    0x43cda01b, 0xb55d, 0x445a, 0x83, 0xc7, 0xba, 0x53, 0xb7, 0x63, 0x14, 0x94);

#undef  INTERFACE
#define INTERFACE IHXAudioDecoder8_0Open

DECLARE_INTERFACE_(IHXAudioDecoder8_0Open, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    STDMETHOD(OpenDecoder)      (THIS_
				 const void* params) PURE ;
} ;
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef HX_RESULT (HXEXPORT_PTR FPRACreateInstance) (const CLSID &clsid, IUnknown** ppUnknown) ;

#ifdef __cplusplus
}
#endif

// $EndPrivate

#endif // _CRA2IHXADEC_H_