faaccfg.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: faaccfg.h,v 1.3 2004/07/04 12:12:05 corrados Exp $
 */

#ifndef _FAACCFG_H_
#define _FAACCFG_H_

#define FAAC_CFG_VERSION 104

/* MPEG ID's */
#define MPEG2 1
#define MPEG4 0

/* AAC object types */
#define MAIN 1
#define LOW  2
#define SSR  3
#define LTP  4

/* 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

#define SHORTCTL_NORMAL    0
#define SHORTCTL_NOSHORT   1
#define SHORTCTL_NOLONG    2

#pragma pack(push, 1)
typedef struct faacEncConfiguration
{
    /* config version */
    int version;

    /* library version */
    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 (0 = Raw; 1 = ADTS) */
    unsigned int outputFormat;

    /* psychoacoustic model list */
    psymodellist_t *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;

    /* block type enforcing (SHORTCTL_NORMAL/SHORTCTL_NOSHORT/SHORTCTL_NOLONG) */
    int shortctl;
	
	/*
		Channel Remapping

		Default			0, 1, 2, 3 ... 63  (64 is MAX_CHANNELS in coder.h)

		WAVE 4.0		2, 0, 1, 3
		WAVE 5.0		2, 0, 1, 3, 4
		WAVE 5.1		2, 0, 1, 4, 5, 3
		AIFF 5.1		2, 0, 3, 1, 4, 5 
	*/
	int channel_map[64];	

} faacEncConfiguration, *faacEncConfigurationPtr;

#pragma pack(pop)

#endif /* _FAACCFG_H_ */