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/****************************************************************************
(C) Copyright Fraunhofer IIS (2004)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
This software and/or program is protected by copyright law and international
treaties. Any reproduction or distribution of this software and/or program,
or any portion of it, may result in severe civil and criminal penalties, and
will be prosecuted to the maximum extent possible under law.
$Id$
*******************************************************************************/
/*!
\file
\brief SBR main definitions $Revision: 36847 $
*/
#ifndef __SBR_DEF_H
#define __SBR_DEF_H
#include "common_fix.h"
#define noError 0
#define HANDLE_ERROR_INFO INT
#define ERROR(a,b) 1
#define handBack
/* #define SBR_ENV_STATISTICS_BITRATE */
#undef SBR_ENV_STATISTICS_BITRATE
/* #define SBR_ENV_STATISTICS */
#undef SBR_ENV_STATISTICS
/* #define SBR_PAYLOAD_MONITOR */
#undef SBR_PAYLOAD_MONITOR
#define SWAP(a,b) tempr=a, a=b, b=tempr
#define TRUE 1
#define FALSE 0
/* Constants */
#define EPS 1e-12
#define LOG2 0.69314718056f /* natural logarithm of 2 */
#define ILOG2 1.442695041f /* 1/LOG2 */
#define RELAXATION_FLOAT (1e-6f)
#define RELAXATION (FL2FXCONST_DBL(RELAXATION_FLOAT))
#define RELAXATION_FRACT (FL2FXCONST_DBL(0.524288f)) /* 0.524288f is fractional part of RELAXATION */
#define RELAXATION_SHIFT (19)
#define RELAXATION_LD64 (FL2FXCONST_DBL(0.31143075889f))/* (ld64(RELAXATION) */
/************ Definitions ***************/
#define SBR_COMP_MODE_DELTA 0
#define SBR_COMP_MODE_CTS 1
#define MAX_NUM_CHANNELS 2
#define MAX_NOISE_ENVELOPES 2
#define MAX_NUM_NOISE_COEFFS 5
#define MAX_NUM_NOISE_VALUES (MAX_NUM_NOISE_COEFFS*MAX_NOISE_ENVELOPES)
#define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS)
#define MAX_ENVELOPES 5
#define MAX_FREQ_COEFFS 48
#define MAX_FREQ_COEFFS_FS44100 35
#define MAX_FREQ_COEFFS_FS48000 32
#define QMF_CHANNELS 64
#define QMF_FILTER_LENGTH 640
#define QMF_MAX_TIME_SLOTS 32
#define NO_OF_ESTIMATES_LC 4
#define NO_OF_ESTIMATES_LD 3
#define MAX_NO_OF_ESTIMATES 4
#define NOISE_FLOOR_OFFSET 6
#define NOISE_FLOOR_OFFSET_64 (FL2FXCONST_DBL(0.09375f))
#define LOW_RES 0
#define HIGH_RES 1
#define LO 0
#define HI 1
#define LENGTH_SBR_FRAME_INFO 35 /* 19 */
#define SBR_NSFB_LOW_RES 9 /* 8 */
#define SBR_NSFB_HIGH_RES 18 /* 16 */
#define SBR_XPOS_CTRL_DEFAULT 2
#define SBR_FREQ_SCALE_DEFAULT 2
#define SBR_ALTER_SCALE_DEFAULT 1
#define SBR_NOISE_BANDS_DEFAULT 2
#define SBR_LIMITER_BANDS_DEFAULT 2
#define SBR_LIMITER_GAINS_DEFAULT 2
#define SBR_LIMITER_GAINS_INFINITE 3
#define SBR_INTERPOL_FREQ_DEFAULT 1
#define SBR_SMOOTHING_LENGTH_DEFAULT 0
/* sbr_header */
#define SI_SBR_AMP_RES_BITS 1
#define SI_SBR_COUPLING_BITS 1
#define SI_SBR_START_FREQ_BITS 4
#define SI_SBR_STOP_FREQ_BITS 4
#define SI_SBR_XOVER_BAND_BITS 3
#define SI_SBR_RESERVED_BITS 2
#define SI_SBR_DATA_EXTRA_BITS 1
#define SI_SBR_HEADER_EXTRA_1_BITS 1
#define SI_SBR_HEADER_EXTRA_2_BITS 1
/* sbr_header extra 1 */
#define SI_SBR_FREQ_SCALE_BITS 2
#define SI_SBR_ALTER_SCALE_BITS 1
#define SI_SBR_NOISE_BANDS_BITS 2
/* sbr_header extra 2 */
#define SI_SBR_LIMITER_BANDS_BITS 2
#define SI_SBR_LIMITER_GAINS_BITS 2
#define SI_SBR_INTERPOL_FREQ_BITS 1
#define SI_SBR_SMOOTHING_LENGTH_BITS 1
/* sbr_grid */
#define SBR_CLA_BITS 2 /*!< size of bs_frame_class */
#define SBR_CLA_BITS_LD 1 /*!< size of bs_frame_class */
#define SBR_ENV_BITS 2 /*!< size of bs_num_env_raw */
#define SBR_ABS_BITS 2 /*!< size of bs_abs_bord_raw for HE-AAC */
#define SBR_NUM_BITS 2 /*!< size of bs_num_rel */
#define SBR_REL_BITS 2 /*!< size of bs_rel_bord_raw */
#define SBR_RES_BITS 1 /*!< size of bs_freq_res_flag */
#define SBR_DIR_BITS 1 /*!< size of bs_df_flag */
/* sbr_data */
#define SI_SBR_INVF_MODE_BITS 2
#define SI_SBR_START_ENV_BITS_AMP_RES_3_0 6
#define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_3_0 5
#define SI_SBR_START_NOISE_BITS_AMP_RES_3_0 5
#define SI_SBR_START_NOISE_BITS_BALANCE_AMP_RES_3_0 5
#define SI_SBR_START_ENV_BITS_AMP_RES_1_5 7
#define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_1_5 6
#define SI_SBR_EXTENDED_DATA_BITS 1
#define SI_SBR_EXTENSION_SIZE_BITS 4
#define SI_SBR_EXTENSION_ESC_COUNT_BITS 8
#define SI_SBR_EXTENSION_ID_BITS 2
#define SBR_EXTENDED_DATA_MAX_CNT (15+255)
#define EXTENSION_ID_PS_CODING 2
/* Envelope coding constants */
#define FREQ 0
#define TIME 1
/* huffman tables */
#define CODE_BOOK_SCF_LAV00 60
#define CODE_BOOK_SCF_LAV01 31
#define CODE_BOOK_SCF_LAV10 60
#define CODE_BOOK_SCF_LAV11 31
#define CODE_BOOK_SCF_LAV_BALANCE11 12
#define CODE_BOOK_SCF_LAV_BALANCE10 24
typedef enum
{
SBR_AMP_RES_1_5=0,
SBR_AMP_RES_3_0
}
AMP_RES;
typedef enum
{
XPOS_MDCT,
XPOS_MDCT_CROSS,
XPOS_LC,
XPOS_RESERVED,
XPOS_SWITCHED /* not a real choice but used here to control behaviour */
}
XPOS_MODE;
typedef enum
{
INVF_OFF = 0,
INVF_LOW_LEVEL,
INVF_MID_LEVEL,
INVF_HIGH_LEVEL,
INVF_SWITCHED /* not a real choice but used here to control behaviour */
}
INVF_MODE;
typedef enum
{
SINGLE_RATE,
DUAL_RATE
}
SR_MODE;
typedef enum
{
FREQ_RES_LOW = 0,
FREQ_RES_HIGH
}
FREQ_RES;
#endif
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