www.pudn.com > MP3Dec2Wav_04.rar > audio.h

/* 
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding 
** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com 
**   
** 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. 
** 
** Any non-GPL usage of this software or parts of this software is strictly 
** forbidden. 
** 
** Commercial non-GPL licensing of this software is possible. 
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. 
** 
** $Id: audio.h,v 1.11 2003/11/02 20:24:03 menno Exp $ 
**/ 
 
#ifndef AUDIO_H_INCLUDED 
#define AUDIO_H_INCLUDED 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
#define MAXWAVESIZE     4294967040LU 
 
#define OUTPUT_WAV 1 
#define OUTPUT_RAW 2 
 
/* library output formats */ 
#define FAAD_FMT_16BIT  1 
#define FAAD_FMT_24BIT  2 
#define FAAD_FMT_32BIT  3 
#define FAAD_FMT_FLOAT  4 
#define FAAD_FMT_DOUBLE 5 
 
 
typedef struct 
{ 
    int outputFormat; 
    FILE *sndfile; 
    unsigned int fileType; 
    unsigned long samplerate; 
    unsigned int bits_per_sample; 
    unsigned int channels; 
    unsigned long total_samples; 
    long channelMask; 
} audio_file; 
 
audio_file *open_audio_file(char *infile, int samplerate, int channels, 
                            int outputFormat, int fileType, long channelMask); 
int write_audio_file(audio_file *aufile, void *sample_buffer, int samples, int offset); 
void close_audio_file(audio_file *aufile); 
static int write_wav_header(audio_file *aufile); 
static int write_wav_extensible_header(audio_file *aufile, long channelMask); 
static int write_audio_16bit(audio_file *aufile, void *sample_buffer, 
                             unsigned int samples); 
static int write_audio_24bit(audio_file *aufile, void *sample_buffer, 
                             unsigned int samples); 
static int write_audio_32bit(audio_file *aufile, void *sample_buffer, 
                             unsigned int samples); 
static int write_audio_float(audio_file *aufile, void *sample_buffer, 
                             unsigned int samples); 
 
 
#ifdef __cplusplus 
} 
#endif 
#endif