/* ------------------------------------------------------------------ * 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