www.pudn.com > winLAME-rc3-source.zip > faad.h

/* 
** FAAD - Freeware Advanced Audio Decoder 
** Copyright (C) 2002 M. Bakker 
**   
** This program is free software; you can redistribute it and/or modify 
** it under the terms of the GNU General Public License as published by 
** the Free Software Foundation; either version 2 of the License, or 
** (at your option) any later version. 
**  
** This program is distributed in the hope that it will be useful, 
** but WITHOUT ANY WARRANTY; without even the implied warranty of 
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
** GNU General Public License for more details. 
**  
** You should have received a copy of the GNU General Public License 
** along with this program; if not, write to the Free Software  
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
** 
** $Id: faad.h,v 1.3 2002/09/03 18:23:32 vividos Exp $ 
**/ 
 
#ifndef __AACDEC_H__ 
#define __AACDEC_H__ 
 
#ifdef __cplusplus 
extern "C" { 
#endif /* __cplusplus */ 
 
#ifdef _WIN32 
  #pragma pack(push, 8) 
  #ifndef FAADAPI 
    #define FAADAPI __cdecl 
  #endif 
#else 
  #ifndef FAADAPI 
    #define FAADAPI 
  #endif 
#endif 
 
 
#define MAIN 0 
#define LC   1 
#define SSR  2 
#define LTP  3 
#define LD   23 
 
#define FAAD_FMT_16BIT 1 
#define FAAD_FMT_24BIT 2 
#define FAAD_FMT_32BIT 3 
#define FAAD_FMT_FLOAT 4 
 
/* A decode call can eat up to FAAD_MIN_STREAMSIZE octets per decoded channel, 
   so at least so much octets per channel should be available in this stream */ 
#define FAAD_MIN_STREAMSIZE 768 /* 6144 bits/channel */ 
 
 
typedef void *faacDecHandle; 
 
 
typedef struct faacDecConfiguration 
{ 
    unsigned char defObjectType; 
    unsigned long defSampleRate; 
    unsigned char outputFormat; 
} faacDecConfiguration, *faacDecConfigurationPtr; 
 
typedef struct faacDecFrameInfo 
{ 
    unsigned long bytesconsumed; 
    unsigned long samples; 
    unsigned char channels; 
    unsigned char error; 
} faacDecFrameInfo; 
 
unsigned char* FAADAPI faacDecGetErrorMessage(unsigned char errcode); 
 
faacDecHandle FAADAPI faacDecOpen(); 
 
faacDecConfigurationPtr FAADAPI faacDecGetCurrentConfiguration(faacDecHandle hDecoder); 
 
unsigned char FAADAPI faacDecSetConfiguration(faacDecHandle hDecoder, 
                                    faacDecConfigurationPtr config); 
 
/* Init the library based on info from the AAC file (ADTS/ADIF) */ 
long FAADAPI faacDecInit(faacDecHandle hDecoder, 
                        unsigned char *buffer, 
                        unsigned long *samplerate, 
                        unsigned char *channels); 
 
/* Init the library using a DecoderSpecificInfo */ 
char FAADAPI faacDecInit2(faacDecHandle hDecoder, unsigned char *pBuffer, 
                         unsigned long SizeOfDecoderSpecificInfo, 
                         unsigned long *samplerate, unsigned char *channels); 
 
void FAADAPI faacDecClose(faacDecHandle hDecoder); 
 
void* FAADAPI faacDecDecode(faacDecHandle hDecoder, 
                            faacDecFrameInfo *hInfo, 
                            unsigned char *buffer); 
 
char FAADAPI AudioSpecificConfig(unsigned char *pBuffer, 
                                unsigned long *samplerate, 
                                unsigned char *channels, 
                                unsigned char *sf_index, 
                                unsigned char *object_type); 
 
#ifdef _WIN32 
  #pragma pack(pop) 
#endif 
 
#ifdef __cplusplus 
} 
#endif /* __cplusplus */ 
 
#endif