/****************************************************************************** * * * Copyright (C) 2018 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 */ #ifndef IXHEAACD_SBR_CONST_H #define IXHEAACD_SBR_CONST_H #define SBR_AMPLITUDE_RESOLUTION_1_5 0 #define SBR_AMPLITUDE_RESOLUTION_3_0 1 #define NOISE_FLOOR_OFFSET_INT 6 #define LOW 0 #define HIGH 1 #define DTDF_DIR_TIME 1 #define DTDF_DIR_FREQ 0 #define SBR_CYC_REDCY_CHK_BITS 10 #define SBR_SAMP_FEQ_LVL_DEF 2 #define SBR_CHANGE_LVL_DEF 1 #define SBR_NOISE_BND_DEF 2 #define SBR_BND_LIMIT_DEF 2 #define SBR_GAIN_LIMIT_DEF 2 #define SBR_INTERPOL_SAMP_FEQ_DEF 1 #define SBR_SMOOTH_LEN_DEF 1 #define SBR_AMPLITUDE_RESOLUTION_BITS 1 #define SBR_BEGIN_SAMP_FREQ_BITS 4 #define SBR_END_SAMP_FREQ_BITS 4 #define SBR_CROSS_OVER_BND_BITS 3 #define ESBR_CROSS_OVER_BND_BITS 4 #define ESBR_PRE_FLAT_BITS 1 #define ESBR_PVC_MODE_BITS 2 #define ESBR_HEADER_EXTRA_3_BITS 1 #define PVC_MODE_BITS 2 #define SBR_HDR_EXTR_1_BITS 1 #define SBR_HDR_EXTR_2_BITS 1 #define SBR_SAMP_FREQ_LVL_BITS 2 #define SBR_CHANGE_LVL_BITS 1 #define SBR_NOISE_BND_BITS 2 #define SBR_BND_LIMIT_BITS 2 #define SBR_GAIN_LIMIT_BITS 2 #define SBR_INTERPOL_SAMP_FREQ_BITS 1 #define SBR_SMOOTH_LEN_BITS 1 #define SBR_STOCK_HE2_BITS 1 #define SBR_HDR_RESERV_BITS 2 #define SBR_SCE_RESERV_BITS 4 #define SBR_COUPLNG_MODE_BITS 1 #define SBR_INVERSE_FILT_MODE_BITS 2 #define SBR_ENLARGED_DATA_BITS 1 #define SBR_CONT_SIZE_BITS 4 #define SBR_CONT_ESC_CNT_BITS 8 #define SBR_CONT_ID_BITS 2 #define SBR_DEL_COD_DIR_BITS 1 #define SBR_ADD_SINE_FLAG_BITS 1 #define SBR_BEGIN_ENVN_BITS_AMPLITUDE_RESOLUTION_3_0 6 #define SBR_BEGIN_ENVN_BITS_BALNCE_AMPLITUDE_RESOLUTION_3_0 5 #define SBR_BEGIN_NOISE_BITS_AMPLITUDE_RESOLUTION_3_0 5 #define SBR_BEGIN_NOISE_BITS_BALNCE_AMPLITUDE_RESOLUTION_3_0 5 #define SBR_BEGIN_ENVN_BITS_AMPLITUDE_RESOLUTION_1_5 7 #define SBR_BEGIN_ENVN_BITS_BALNCE_AMPLITUDE_RESOLUTION_1_5 6 #define NOISE_FLOOR_OFFSET 6.0f #define QMF_BUFFER_SIZE 64 #define TIMESLOT_BUFFER_SIZE 78 #define MAX_NUM_QMF_BANDS_ESBR 128 #define SBR_HF_ADJ_OFFSET 2 #define MPS_SBR_DELAY 6 /* 6 qmf samples */ #define ESBR_HBE_DELAY_OFFSET 32 /* 32 qmf samples */ #define HBE_OPER_WIN_LEN (13) #define NO_QMF_SYNTH_CHANNELS 64 #define TWICE_QMF_SYNTH_CHANNELS_NUM 128 #define MAX_NO_COLS_VALUE 64 #define MAX_NO_COLS_VALUE_BY_2 (MAX_NO_COLS_VALUE >> 1) #define MAX_QMF_X_INBUF_SIZE (MAX_NO_COLS_VALUE_BY_2 + HBE_OPER_WIN_LEN - 1) #define MAX_QMF_X_OUTBUF_SIZE \ 2 * (MAX_NO_COLS_VALUE_BY_2 + HBE_OPER_WIN_LEN - 1) #define MAX_QMF_X_IN_REAL_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_INBUF_SIZE) #define MAX_QMF_X_IN_IMAG_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_INBUF_SIZE) #define MAX_QMF_X_OUT_REAL_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_OUTBUF_SIZE) #define MAX_QMF_X_OUT_IMAG_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_OUTBUF_SIZE) #define X_INBUF_SIZE (MAX_FRAME_SIZE + NO_QMF_SYNTH_CHANNELS) #define X_OUTBUF_SIZE (X_INBUF_SIZE * 2) #define HBE_OPER_BLK_LEN_2 10 #define HBE_OPER_BLK_LEN_3 8 #define HBE_OPER_BLK_LEN_4 6 #define MAX_HBE_PERSISTENT_SIZE \ (MAX_QMF_X_INBUF_SIZE * sizeof(FLOAT32*) + \ MAX_QMF_X_OUTBUF_SIZE * sizeof(FLOAT32*) + \ MAX_QMF_X_IN_REAL_BUF * sizeof(FLOAT32) + \ MAX_QMF_X_IN_IMAG_BUF * sizeof(FLOAT32) + \ MAX_QMF_X_OUT_REAL_BUF * sizeof(FLOAT32) + \ MAX_QMF_X_OUT_IMAG_BUF * sizeof(FLOAT32) + X_INBUF_SIZE * sizeof(FLOAT32) + \ X_OUTBUF_SIZE * sizeof(FLOAT32)) #define MAX_QMF_BUF_LEN 78 #define SBR_FRAME_CLASS_BITS 2 #define SBR_VAR_BORD_BITS 2 #define SBR_FRQ_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_NIBBLE (4) #define PI 3.14159265358979323846264338327950288 #define EPS 1e-12f #define LOG2 0.69314718056f #define MAX_STRETCH 4 #define MAXDEG 3 #define EXP_FOR_SQRT 0.5f #define SBR_HF_RELAXATION_PARAM 0.999999f #define ESBR_PATCHING_MODE_BITS 1 #define ESBR_OVERSAMPLING_FLAG_BITS 1 #define ESBR_PITCHIN_FLAG_BITS 1 #define ESBR_PITCHIN_BINS_BITS 7 #define ESBR_RESERVED_PRESENT 1 #define ESBR_RESERVED_BITS_DATA 4 #define ESBR_INVF_MODE_BITS 2 #define ESBR_NOISE_MODE_BITS 1 #define ESBR_DOMAIN_BITS 1 #define SBR_NUM_QMF_BANDS 64 #define SBR_NUM_QMF_BANDS_2 32 #define PVC_NUM_TIME_SLOTS 16 #define PVC_ESG_MIN_VAL 0.1f #define PVC_10LOG10_ESG_MIN_VAL -10.0f #define PVC_DIV_MODE_BITS 3 #define PVC_NS_MODE_BITS 1 #define PVC_GRID_INFO_BITS 1 #define PVC_REUSE_PVC_ID_BITS 1 #define PVC_ID_BITS 7 #define PVC_NB_HIGH_MODE1 8 #define PVC_NB_HIGH_MODE2 6 #define PVC_NB_LOW 3 #define PVC_ID_NUM_GROUPS 3 #define PVC_NB_HIGH 128 #define PVC_ID_NBIT 7 #define ESC_SIN_POS 31 #define MAX_OCTAVE 29 #define MAX_SECOND_REGION 50 #define SBR_ENERGY_PAN_OFFSET 12 #define SBR_ENV_SF_MAX_VAL_1_5 70 #define MAX_NOISE_FLOOR_FAC_VAL 35 #define MIN_NOISE_FLOOR_FAC_VAL 0 #define HBE_ZERO_BAND_IDX 6 #define MAX_OV_DELAY 12 #define LD_TRAN 1 #define LD_ENV_TIME_SLOT 7 #define LD_ENV_TBL_512 16 #define LD_ENV_TBL_480 15 #define LD_ENV_TBL_SIZE 4 #define SBR_TRAN_BITS 4 #define SBRLD_CLA_BITS 1 #define SBR_ENVT_NUMENV 0 #define SBR_ENVT_TRANIDX 3 static const int ixheaacd_ld_env_table_512[LD_ENV_TBL_512][LD_ENV_TBL_SIZE] = { {2, 4, -1, 0}, {2, 5, -1, 0}, {3, 2, 6, 1}, {3, 3, 7, 1}, {3, 4, 8, 1}, {3, 5, 9, 1}, {3, 6, 10, 1}, {3, 7, 11, 1}, {3, 8, 12, 1}, {3, 9, 13, 1}, {3, 10, 14, 1}, {2, 11, -1, 1}, {2, 12, -1, 1}, {2, 13, -1, 1}, {2, 14, -1, 1}, {2, 15, -1, 1}, }; static const int ixheaacd_ld_env_table_480[LD_ENV_TBL_480][LD_ENV_TBL_SIZE] = { {2, 4, -1, 0}, {2, 5, -1, 0}, {3, 2, 6, 1}, {3, 3, 7, 1}, {3, 4, 8, 1}, {3, 5, 9, 1}, {3, 6, 10, 1}, {3, 7, 11, 1}, {3, 8, 12, 1}, {3, 9, 13, 1}, {2, 10, -1, 1}, {2, 11, -1, 1}, {2, 12, -1, 1}, {2, 13, -1, 1}, {2, 14, -1, 1}, }; static const int ixheaacd_ld_env_table_time_slot[LD_ENV_TIME_SLOT] = { 8, 5, 0, 0, 0, 0, 0}; #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_NIBBLE (4) #endif