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Diffstat (limited to 'media/libstagefright/codecs/aacdec/sbr_constants.h')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/sbr_constants.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacdec/sbr_constants.h b/media/libstagefright/codecs/aacdec/sbr_constants.h new file mode 100644 index 0000000..d54a699 --- /dev/null +++ b/media/libstagefright/codecs/aacdec/sbr_constants.h @@ -0,0 +1,210 @@ +/* ------------------------------------------------------------------ + * 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 + + |