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

/* 
 * FAAC - Freeware Advanced Audio Coder 
 * Copyright (C) 2001 Menno Bakker 
 * 
 * This library is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU Lesser General Public 
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version. 
 * 
 * This library 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 
 * Lesser General Public License for more details. 
 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 * 
 * $Id: faac.h,v 1.2 2002/09/03 18:23:32 vividos Exp $ 
 */ 
 
#ifndef FAACLIB_H 
#define FAACLIB_H 
 
#ifdef __cplusplus 
extern "C" { 
#endif /* __cplusplus */ 
 
#ifdef WIN32 
  #pragma pack(push, 8) 
  #ifndef FAACAPI 
    #define FAACAPI __stdcall 
  #endif 
#else 
  #ifndef FAACAPI 
    #define FAACAPI 
  #endif 
#endif 
 
#define FAACENC_VERSION 1.9 
#define FAACENC_VERSIONB 1 /* If 1 this version is still in beta */ 
 
/* MPEG ID's */ 
#define MPEG2 1 
#define MPEG4 0 
 
/* AAC object types */ 
#define MAIN 0 
#define LOW  1 
#define SSR  2 
#define LTP  3 
 
typedef struct faacEncConfiguration 
{ 
    /* MPEG version, 2 or 4 */ 
    unsigned int mpegVersion; 
 
    /* AAC object type */ 
    unsigned int aacObjectType; 
 
    /* Allow mid/side coding */ 
    unsigned int allowMidside; 
 
    /* Use one of the channels as LFE channel */ 
    unsigned int useLfe; 
 
    /* Use Temporal Noise Shaping */ 
    unsigned int useTns; 
 
    /* bitrate / channel of AAC file */ 
    unsigned long bitRate; 
 
    /* AAC file frequency bandwidth */ 
    unsigned int bandWidth; 
 
} faacEncConfiguration, *faacEncConfigurationPtr; 
 
typedef void *faacEncHandle; 
 
 
faacEncConfigurationPtr FAACAPI faacEncGetCurrentConfiguration(faacEncHandle hEncoder); 
int FAACAPI faacEncSetConfiguration (faacEncHandle hEncoder, faacEncConfigurationPtr config); 
 
faacEncHandle FAACAPI faacEncOpen(unsigned long sampleRate, 
                                  unsigned int numChannels, 
                                  unsigned long *inputSamples, 
                                  unsigned long *maxOutputBytes); 
 
int FAACAPI faacEncEncode(faacEncHandle hEncoder, 
                          short *inputBuffer, 
                          unsigned int samplesInput, 
                          void *outputBuffer, 
                          unsigned int bufferSize 
                          ); 
 
int FAACAPI faacEncClose(faacEncHandle hEncoder); 
 
 
#ifdef WIN32 
  #pragma pack(pop) 
#endif 
 
#ifdef __cplusplus 
} 
#endif /* __cplusplus */ 
 
#endif /* FAACLIB_H */