ref: 50d60e59b2a6bb22b4ef9ffe3031ff017302feb2
dir: /include/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 1.29 2003/08/02 11:32:10 stux Exp $
*/
#ifndef FAACLIB_H
#define FAACLIB_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef WIN32
#pragma pack(push, 1)
#ifndef FAACAPI
#define FAACAPI __stdcall
#endif
#else
#ifndef FAACAPI
#define FAACAPI
#endif
#endif
#define FAAC_CFG_VERSION 102
/* MPEG ID's */
#define MPEG2 1
#define MPEG4 0
/* AAC object types */
#define MAIN 0
#define LOW 1
#define SSR 2
#define LTP 3
/* Input Formats */
#define FAAC_INPUT_NULL 0
#define FAAC_INPUT_16BIT 1
#define FAAC_INPUT_24BIT 2
#define FAAC_INPUT_32BIT 3
#define FAAC_INPUT_FLOAT 4
typedef struct faacEncConfiguration
{
/* config version */
/*const*/ int version;
/* library version */
/*const*/ char *name;
/* copyright string */
char *copyright;
/* 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;
/* Quantizer quality */
unsigned long quantqual;
/*
Bitstream output format, meaning:
0 - Raw
1 - ADTS
/AV
*/
unsigned int outputFormat;
// psychoacoustic model list
/*const*/ struct {
void *ptr;
char *name;
} *psymodellist;
// selected index in psymodellist
unsigned int psymodelidx;
/*
PCM Sample Input Format
0 FAAC_INPUT_NULL invalid, signifies a misconfigured config
1 FAAC_INPUT_16BIT native endian 16bit
2 FAAC_INPUT_24BIT native endian 24bit in 24 bits (not implemented)
3 FAAC_INPUT_32BIT native endian 24bit in 32 bits (DEFAULT)
4 FAAC_INPUT_FLOAT 32bit floating point
*/
unsigned int inputFormat;
} 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 faacEncGetDecoderSpecificInfo(faacEncHandle hEncoder,
unsigned char** ppBuffer,
unsigned long* pSizeOfDecoderSpecificInfo);
int FAACAPI faacEncEncode(faacEncHandle hEncoder,
int32_t *inputBuffer,
unsigned int samplesInput,
unsigned char *outputBuffer,
unsigned int bufferSize
);
int FAACAPI faacEncClose(faacEncHandle hEncoder);
#ifdef WIN32
#pragma pack(pop)
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* FAACLIB_H */