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racodec.h：源码内容
							/* ***** 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 ***** */ 
#ifdef __MWERKS__
#pragma once
#endif
#ifndef _RACODEC
#define _RACODEC
#include "hxtypes.h"
#include "hxresult.h"
#include "hxcom.h"
/*
 *  CONSTANTS
 */
#define MAX_CODEC_ID_LENGTH 	5
#define MAX_CODEC_NAME_LENGTH	32
#define HX_MAX_AUDIO_QUALITY  	0
#define HX_MIN_AUDIO_QUALITY  	5
// generic error return value from codec
#define HX_CODEC_ERROR	-1
/*
 *  DATA TYPES
 */
 
// set struct alignment for Mac
#if defined(_MACINTOSH) || defined(_MAC_UNIX)
#pragma options align=mac68k
#endif
// for Cookie API
typedef void* RACODEC;
typedef struct audio_format
{
	UINT16  FormatTag;
	UINT32  SamplesPerSec;
	UINT16  BitsPerSample;
	UINT16  Channels;
} HX_AUDIO_FORMAT;
typedef enum
{
    CONTENT_VOICE_ONLY,
    CONTENT_MUSIC_ONLY,
//  $Comstrip:	IF SDK
//    CONTENT_VOICE_AND_MUSIC
//  $Comstrip:	ELSE
    CONTENT_VOICE_AND_MUSIC,
    CONTENT_VIDEO_ONLY
//  $Comstrip:	ENDIF SDK
} HX_CONTENT_TYPE;
typedef enum
{                                 /* Property Type           */  
//    FLV_PROP_NAME,                /* char[]                  */
//    FLV_PROP_DESCRIPTION,         /* char[]                  */
//    FLV_PROP_STATUS_TEXT,         /* char[]                  */
//    FLV_PROP_BIT_RATE,            /* UINT32                  */
//    FLV_PROP_INPUT_AUDIO_FORMAT,  /* HX_AUDIO_FORMAT         */
//    FLV_PROP_OUTPUT_AUDIO_FORMAT, /* HX_AUDIO_FORMAT         */
//    FLV_PROP_CONTENT_TYPE,        /* HX_CONTENT_TYPE (UINT16)*/
//    FLV_PROP_GRANULARITY,         /* UINT32                  */
//    FLV_PROP_AUDIO_BANDWIDTH,
//    FLV_PROP_COUPLING_BEGIN,
//    FLV_PROP_FRAME_SIZE,
//    FLV_PROP_SAMPLES_IN,
//    FLV_PROP_INTERLEAVE_FACTOR,
//    FLV_PROP_INTERLEAVE_TYPE,
//    FLV_PROP_INTERLEAVE_PATTERN,
//    FLV_PROP_OPAQUE_DATA,
//    FLV_PROP_USER = 1000
    FLV_PROP_NAME,                /* char[]                  */
    FLV_PROP_BIT_RATE,            /* ULONG32                 */
    FLV_PROP_INPUT_AUDIO_FORMAT,  /* HX_AUDIO_FORMAT         */
    FLV_PROP_OUTPUT_AUDIO_FORMAT, /* HX_AUDIO_FORMAT         */
    FLV_PROP_DESCRIPTION,         /* char[]                  */
    FLV_PROP_CONTENT_TYPE,        /* HX_CONTENT_TYPE (UINT16)*/
    FLV_PROP_GRANULARITY,         /* ULONG32                 */
    FLV_PROP_STATUS_TEXT,         /* char[]                  */
    FLV_PROP_RV_NAME,             /* char[]                  */
    FLV_PROP_RV_DESCRIPTION,      /* char[]                  */
    FLV_PROP_RV_STATUS_TEXT,      /* char[]                  */
    FLV_PROP_AUDIO_BANDWIDTH,
    FLV_PROP_COUPLING_BEGIN,
    FLV_PROP_FRAME_SIZE,
    FLV_PROP_SAMPLES_IN,
    FLV_PROP_INTERLEAVE_FACTOR,
    FLV_PROP_INTERLEAVE_TYPE,
    FLV_PROP_INTERLEAVE_PATTERN,
    FLV_PROP_OPAQUE_DATA,
    FLV_PROP_FREQ_RESPONSE,       /* UINT32                  */
    FLV_PROP_BITS_PER_FRAME,
    FLV_PROP_USER = 1000
} HX_FLV_PROPERTY;
// Decoder API
typedef struct radecoder_init_params
{
	UINT32		sampleRate;
	UINT16		bitsPerSample;
	UINT16		channels;
	UINT16		audioQuality;
	UINT32		bitsPerFrame;
	UINT32		granularity;
	UINT32		opaqueDataLength;
	BYTE*		opaqueData;
} RADECODER_INIT_PARAMS;
// Encoder API
typedef struct raencoder_info
{
	UINT32		granularity;
	UINT32		sampleRate;
	UINT16		bitsPerSample;
	UINT16		channels;
	UINT16		compressionType;
	char		compressionCode[MAX_CODEC_ID_LENGTH]; /* Flawfinder: ignore */
	char		displayName[MAX_CODEC_NAME_LENGTH]; /* Flawfinder: ignore */
} RAENCODER_INFO;
typedef struct raencoder_init_params
{
	INT32		numSamplesIn;
	INT32		numBytesOut;
	UINT32		sampleRate;
	UINT16		bitsPerSample;
	UINT16		channels;
	UINT16		flvIndex;
} RAENCODER_INIT_PARAMS;
#if defined(_MACINTOSH) || defined(_MAC_UNIX)
#pragma options align=reset
#endif
/*
 *  PROTOTYPES
 */
extern "C"
{
    HX_RESULT HXEXPORT ENTRYPOINT(RAOpenCodec) (RACODEC* pCodecRef);
    HX_RESULT HXEXPORT ENTRYPOINT(RAOpenCodec2) (RACODEC* pCodecRef, const char* pCodecPath);
    HX_RESULT HXEXPORT ENTRYPOINT(RACloseCodec) (RACODEC codecRef);
    void HXEXPORT ENTRYPOINT(RASetPwd) (RACODEC codecRef, const char* pPwd);
    UINT16 HXEXPORT ENTRYPOINT(RAGetNumberOfFlavors)(RACODEC codecRef);
    UINT16 HXEXPORT ENTRYPOINT(RAGetNumberOfFlavors2)(RACODEC codecRef);
    void * HXEXPORT ENTRYPOINT(RAGetFlavorProperty)(RACODEC codecRef, UINT16 flvIndex, UINT16 propIndex, UINT16* pSize);
    HX_RESULT HXEXPORT ENTRYPOINT(RASetFlavor)(RACODEC codecRef, UINT16 flvIndex);
    HX_RESULT HXEXPORT ENTRYPOINT(RAInitEncoder) (RACODEC codecRef, void* pParam );
    void HXEXPORT ENTRYPOINT(RAEncode) (RACODEC codecRef, UINT16* inBuf, Byte* outBuf);
    void HXEXPORT ENTRYPOINT(RAFreeEncoder) (RACODEC codecRef);
    HX_RESULT HXEXPORT ENTRYPOINT(RAGetBackend) (RACODEC codecRef, void*** pFuncList);
    HX_RESULT HXEXPORT ENTRYPOINT(RAGetGUID) (UCHAR* pGUID);
    HX_RESULT HXEXPORT ENTRYPOINT(RAGetDecoderBackendGUID) (RACODEC codecRef, UCHAR* pGUID);
    HX_RESULT HXEXPORT ENTRYPOINT(RASetComMode) (RACODEC codecRef);
    HX_RESULT HXEXPORT ENTRYPOINT(RAInitDecoder) (RACODEC codecRef, void* pParam);
    HX_RESULT HXEXPORT ENTRYPOINT(RADecode) (RACODEC codecRef, Byte* in, UINT32 inLength, Byte* out, UINT32* pOutLength, UINT32 userData);
    HX_RESULT HXEXPORT ENTRYPOINT(RAFlush) (RACODEC codecRef, Byte* outBuf, UINT32* pOutLength);
    void HXEXPORT ENTRYPOINT(RAFreeDecoder) (RACODEC codecRef);
}
#endif // #ifndef _RACODEC

						