b2e7201907
* Removed BUILD_ARM64 macro dependency * Code refactoring * Minor bug fixes Co-authored-by: Divya B M <100655@ittiam.com>
212 lines
6.3 KiB
C
212 lines
6.3 KiB
C
/******************************************************************************
|
|
* *
|
|
* Copyright (C) 2023 The Android Open Source Project
|
|
*
|
|
* 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.
|
|
*
|
|
*****************************************************************************
|
|
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
|
|
*/
|
|
#pragma once
|
|
|
|
#define IXHEAACE_MAX_CH_IN_BS_ELE (2)
|
|
|
|
#define INPUT_LEN_DOWNSAMPLE (2048)
|
|
#define UPSAMPLE_FAC (3)
|
|
#define DOWNSAMPLE_FAC_2_1 (2)
|
|
#define DOWNSAMPLE_FAC_4_1 (4)
|
|
|
|
/* Constants */
|
|
#define MAX_FLT_VAL (3.402823466e+38F)
|
|
#define MIN_FLT_VAL (1.175494351e-38F)
|
|
|
|
#define EPS (1e-18)
|
|
#define LOG2 (0.69314718056f)
|
|
#define RELAXATION (1e-6f)
|
|
|
|
#define SBR_NOISE_FLOOR_OFFSET (6)
|
|
#define SBR_INV_LOG_2 (1.442695041f)
|
|
#define SBR_EPS (1e-18)
|
|
|
|
#define SBR_DECAY_GUIDE_DIFF (0.5f)
|
|
#define SBR_THR_DIFF_GUIDE (1.26f)
|
|
#define SBR_THR_DIFF (25.0f)
|
|
#define SBR_THR_TONE (15.0f)
|
|
#define SBR_INV_THR_TONE (1.0f / 15.0f)
|
|
#define SBR_THR_TONE_GUIDE (1.26f)
|
|
#define SBR_DECAY_GUIDE_ORIG (0.3f)
|
|
#define SBR_THR_SFM_SBR (0.3f)
|
|
#define SBR_THR_SFM_ORG (0.1f)
|
|
#define SBR_MAX_COMP (2)
|
|
#define SBR_TONALITY_QUOTA (0.1f)
|
|
#define SBR_DIFF_QUOTA (0.75f)
|
|
#define SBR_TON_MEAN_P0009 (0.000976562f)
|
|
#define SBR_TON_MEAN_101P59 (101.5936673f)
|
|
|
|
#define MAXIMUM_NOISE_ENVELOPES (2)
|
|
#define MAXIMUM_NUM_NOISE_COEFFS (5)
|
|
#define MAXIMUM_NUM_NOISE_VALUES (MAXIMUM_NOISE_ENVELOPES * MAXIMUM_NUM_NOISE_COEFFS)
|
|
#define MAXIMUM_ENVELOPES_HEAAC (5)
|
|
#define MAXIMUM_FREQ_COEFFS_HEAAC (48)
|
|
#define MAXIMUM_FREQ_COEFFS_LE32KHZ (48)
|
|
#define MAXIMUM_FREQ_COEFFS_EQ44KHZ (35)
|
|
#define MAXIMUM_FREQ_COEFFS_GE48KHZ (32)
|
|
#define MAXIMUM_NUM_ENV_VALUES_HEAAC (MAXIMUM_FREQ_COEFFS_HEAAC * MAXIMUM_ENVELOPES_HEAAC)
|
|
|
|
#define IXHEAACE_QMF_CHANNELS (64)
|
|
#define QMF_FILTER_LENGTH (640)
|
|
#define CLD_FILTER_LENGTH (640)
|
|
#define IXHEAACE_QMF_TIME_SLOTS (32)
|
|
|
|
#define NO_OF_ESTIMATES (4)
|
|
#define NO_OF_ESTIMATES_ELD (3)
|
|
|
|
#define QMF_TIME_SLOTS_USAC_4_1 (64)
|
|
#define MAX_QMF_TIME_SLOTS (64)
|
|
#define MAXIMUM_FREQ_COEFFS_USAC (56)
|
|
#define MAXIMUM_ENVELOPES_USAC (8)
|
|
#define MAXIMUM_NUM_ENV_VALUES_USAC (MAXIMUM_FREQ_COEFFS_USAC * MAXIMUM_ENVELOPES_USAC)
|
|
|
|
#if MAXIMUM_FREQ_COEFFS_HEAAC > MAXIMUM_FREQ_COEFFS_USAC
|
|
#define MAXIMUM_FREQ_COEFFS (MAXIMUM_FREQ_COEFFS_HEAAC)
|
|
#else
|
|
#define MAXIMUM_FREQ_COEFFS (MAXIMUM_FREQ_COEFFS_USAC)
|
|
#endif
|
|
#if MAXIMUM_ENVELOPES_HEAAC > MAXIMUM_ENVELOPES_USAC
|
|
#define IXHEAACE_MAX_ENV (MAXIMUM_ENVELOPES_HEAAC)
|
|
#else
|
|
#define IXHEAACE_MAX_ENV (MAXIMUM_ENVELOPES_USAC)
|
|
#endif
|
|
|
|
#if MAXIMUM_NUM_ENV_VALUES_HEAAC > MAXIMUM_NUM_ENV_VALUES_HEAAC
|
|
#define MAXIMUM_NUM_ENVELOPE_VALUES (MAXIMUM_NUM_ENV_VALUES_HEAAC)
|
|
#else
|
|
#define MAXIMUM_NUM_ENVELOPE_VALUES (MAXIMUM_NUM_ENV_VALUES_USAC)
|
|
#endif
|
|
|
|
#define LOW_RES (0)
|
|
#define HIGH_RES (1)
|
|
|
|
#define LO (0)
|
|
#define HI (1)
|
|
|
|
#define SI_SBR_PROTOCOL_VERSION_ID (0)
|
|
|
|
#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_INTERPOL_FREQ_DEFAULT (1)
|
|
#define SBR_SMOOTHING_LENGTH_DEFAULT (0)
|
|
|
|
/* ESBR resampler Size*/
|
|
#define ESBR_RESAMP_SAMPLES (4096)
|
|
|
|
/* spectral_band_replication_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_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 SBR_START_FREQ_OFFSET_TBL_LEN (1 << SI_SBR_START_FREQ_BITS)
|
|
#define SBR_STOP_FREQ_OFFSET_TBL_LEN (14)
|
|
|
|
#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)
|
|
|
|
/* spectral_band_replication_grid */
|
|
#define SBR_CLA_BITS (2)
|
|
#define SBR_ENV_BITS (2)
|
|
#define SBR_PVC_NOISE_POSITION_BITS (4)
|
|
#define SBR_PVC_VAR_LEN_HF_BITS (1)
|
|
|
|
#define SBR_ABS_BITS (2)
|
|
#define SBR_NUM_BITS (2)
|
|
#define SBR_REL_BITS (2)
|
|
#define SBR_RES_BITS (1)
|
|
#define SBR_DIR_BITS (1)
|
|
#define LDSBR_CLA_BITS (1)
|
|
|
|
/* spectral_band_replication_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)
|
|
#define EXTENSION_ID_ESBR_CODING (3)
|
|
#define IXHEAACE_MPS_EXT_LDSAC_DATA (0x09)
|
|
/* Envelope coding constants */
|
|
#define FREQ (0)
|
|
#define TIME (1)
|
|
|
|
/* huffman tables */
|
|
#define CODE_BCK_SCF_LAV10 (60)
|
|
#define CODE_BCK_SCF_LAV11 (31)
|
|
#define CODE_BCK_SCF_LAV_BALANCE11 (12)
|
|
#define CODE_BCK_SCF_LAV_BALANCE10 (24)
|
|
|
|
#define USAC_SBR_RATIO_NO_SBR (0)
|
|
#define USAC_SBR_RATIO_INDEX_2_1 (3)
|
|
#define USAC_SBR_RATIO_INDEX_8_3 (2)
|
|
#define USAC_SBR_RATIO_INDEX_4_1 (1)
|
|
|
|
#define USAC_SBR_DOWNSAMPLE_RATIO_2_1 (2)
|
|
#define USAC_SBR_DOWNSAMPLE_RATIO_4_1 (4)
|
|
|
|
#define IXHEAACE_DISTANCE_CEIL_VALUE (5000000)
|
|
|
|
typedef enum {
|
|
IXHEAACE_XPOS_MDCT,
|
|
IXHEAACE_XPOS_MDCT_CROSS,
|
|
IXHEAACE_XPOS_LC,
|
|
IXHEAACE_XPOS_RESERVED,
|
|
IXHEAACE_XPOS_SWITCHED
|
|
} ixheaace_sbr_xpos_mode;
|
|
|
|
typedef enum { FREQ_RES_LOW, FREQ_RES_HIGH } ixheaace_freq_res;
|
|
|
|
typedef enum {
|
|
IXHEAACE_SBR_MODE_MONO,
|
|
IXHEAACE_SBR_MODE_LEFT_RIGHT,
|
|
SBR_COUPLING,
|
|
IXHEAACE_SBR_MODE_SWITCH_LRC
|
|
} ixheaace_sbr_stereo_mode;
|
|
|
|
typedef enum { HEAAC_SBR, ELD_SBR, USAC_SBR } ixheaace_sbr_codec_type;
|