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/* ------------------------------------------------------------------
* Copyright (C) 1998-2009 PacketVideo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
/*
Filename: sbr_constants.h
Funtions:
------------------------------------------------------------------------------
REVISION HISTORY
Who: Date: MM/DD/YYYY
Description:
------------------------------------------------------------------------------
SC 29 Software Copyright Licencing Disclaimer:
This software module was originally developed by
Coding Technologies
and edited by
-
in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
standards for reference purposes and its performance may not have been
optimized. This software module is an implementation of one or more tools as
specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
ISO/IEC gives users free license to this software module or modifications
thereof for use in products claiming conformance to audiovisual and
image-coding related ITU Recommendations and/or ISO/IEC International
Standards. ISO/IEC gives users the same free license to this software module or
modifications thereof for research purposes and further ISO/IEC standardisation.
Those intending to use this software module in products are advised that its
use may infringe existing patents. ISO/IEC have no liability for use of this
software module or modifications thereof. Copyright is not released for
products that do not conform to audiovisual and image-coding related ITU
Recommendations and/or ISO/IEC International Standards.
The original developer retains full right to modify and use the code for its
own purpose, assign or donate the code to a third party and to inhibit third
parties from using the code for products that do not conform to audiovisual and
image-coding related ITU Recommendations and/or ISO/IEC International Standards.
This copyright notice must be included in all copies or derivative works.
Copyright (c) ISO/IEC 2002.
*/
/*----------------------------------------------------------------------------
; CONTINUE ONLY IF NOT ALREADY DEFINED
----------------------------------------------------------------------------*/
#ifndef SBR_CONSTANTS_H
#define SBR_CONSTANTS_H
/*----------------------------------------------------------------------------
; INCLUDES
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; MACROS
; Define module specific macros here
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; DEFINES
; Include all pre-processor statements here.
----------------------------------------------------------------------------*/
#define SBR_AMP_RES_1_5 0
#define SBR_AMP_RES_3_0 1
#define MAX_NOISE_ENVELOPES 2
#define MAX_NOISE_COEFFS 5
#define MAX_NUM_NOISE_VALUES (MAX_NOISE_ENVELOPES * MAX_NOISE_COEFFS)
#define MAX_ENVELOPES 5
#define MAX_FREQ_COEFFS 58
#define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS)
#define MAX_NUM_CHANNELS 2
#define NOISE_FLOOR_OFFSET 6
#define NOISE_FLOOR_OFFSET_PLUS_1 7
#define LOW_RES 0
#define HIGH_RES 1
#define LO 0
#define HI 1
#define TIME 1
#define FREQ 0
#define LENGTH_FRAME_INFO 35
#define SI_SBR_CRC_BITS 10
#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_INTERPOL_FREQ_DEFAULT 1
#define SBR_SMOOTHING_LENGTH_DEFAULT 1
/* header */
#define SI_SBR_AMP_RES_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_HDR 2
#define SI_SBR_DATA_EXTRA_BITS 1
#define SI_SBR_HEADER_EXTRA_1_BITS 1
#define SI_SBR_HEADER_EXTRA_2_BITS 1
#define SI_SBR_FREQ_SCALE_BITS 2
#define SI_SBR_ALTER_SCALE_BITS 1
#define SI_SBR_NOISE_BANDS_BITS 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
/* data */
#define SI_SBR_RESERVED_PRESENT 1
#define SI_SBR_RESERVED_BITS_DATA 4
#define SI_SBR_COUPLING_BITS 1
#define SI_SBR_INVF_MODE_BITS 2
#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 SI_SBR_NOISE_MODE_BITS 1
#define SI_SBR_DOMAIN_BITS 1
#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 SBR_CLA_BITS 2
#define SBR_ABS_BITS 2
#define SBR_RES_BITS 1
#define SBR_REL_BITS 2
#define SBR_ENV_BITS 2
#define SBR_NUM_BITS 2
#define FIXFIX 0
#define FIXVAR 1
#define VARFIX 2
#define VARVAR 3
#define LEN_EX_TYPE (4)
#define LEN_NIBBLE (4)
/*----------------------------------------------------------------------------
; EXTERNAL VARIABLES REFERENCES
; Declare variables used in this module but defined elsewhere
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; SIMPLE TYPEDEF'S
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; ENUMERATED TYPEDEF'S
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; STRUCTURES TYPEDEF'S
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; GLOBAL FUNCTION DEFINITIONS
; Function Prototype declaration
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; END
----------------------------------------------------------------------------*/
#endif
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