| /****************************************************************************** |
| * * |
| * 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_SBRDECSETTINGS_H |
| #define IXHEAACD_SBRDECSETTINGS_H |
| |
| #define SBR_UPSAMPLE_FAC 2 |
| |
| #define SBR_UPSAMPLE_IDX_0_0 0 |
| #define SBR_UPSAMPLE_IDX_2_1 1 |
| #define SBR_UPSAMPLE_IDX_8_3 2 |
| #define SBR_UPSAMPLE_IDX_4_1 3 |
| |
| #define MAX_FRAME_SIZE 1024 |
| |
| #define QMF_FILTER_STATE_SYN_SIZE 1280 |
| #define QMF_FILTER_STATE_ANA_SIZE 320 |
| #define NO_SYNTHESIS_CHANNELS 64 |
| #define NO_ANALYSIS_CHANNELS (NO_SYNTHESIS_CHANNELS / SBR_UPSAMPLE_FAC) |
| #define NO_POLY (QMF_FILTER_STATE_ANA_SIZE / (2 * NO_ANALYSIS_CHANNELS)) |
| |
| #define NO_SYNTHESIS_CHANNELS_DOWN_SAMPLED (NO_SYNTHESIS_CHANNELS / 2) |
| #define QMF_FILTER_STATE_SYN_SIZE_DOWN_SAMPLED (QMF_FILTER_STATE_SYN_SIZE / 2) |
| #define NO_SYN_ANA_CHANNELS (NO_SYNTHESIS_CHANNELS - NO_ANALYSIS_CHANNELS) |
| |
| #define CALC_STOP_BAND |
| |
| #define MAX_NOISE_ENVELOPES 2 |
| #define MAX_NOISE_COEFFS 5 |
| #define MAX_NUM_NOISE_VALUES (MAX_NOISE_ENVELOPES * MAX_NOISE_COEFFS) |
| #define MAX_NUM_LIMITERS 12 |
| |
| #define MAX_ENVELOPES_SBR 5 |
| #define MAX_ENVELOPES 8 |
| #define MAX_FREQ_COEFFS 56 |
| |
| #define MAX_FREQ_COEFFS_FS44100 35 |
| #define MAX_FREQ_COEFFS_FS48000 32 |
| #define MAX_FREQ_COEFFS_SBR 48 |
| |
| #define MAX_NUM_ELEMENTS 16 |
| |
| #define SBR_TIME_STEP 2 |
| |
| #define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS) |
| |
| #define MAX_GAIN_EXP 34 |
| |
| #define LPC_ORDER 2 |
| |
| #define MAX_INVF_BANDS MAX_NOISE_COEFFS |
| |
| #define MAX_COLS (MAX_FRAME_SIZE / NO_ANALYSIS_CHANNELS) |
| #define MAX_OV_COLS 6 |
| #define MAX_ENV_COLS (MAX_COLS + MAX_OV_COLS) |
| |
| #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 |
| |
| #define SBR_TIME_SLOTS (MAX_COLS / SBR_TIME_STEP) |
| #define SBR_OV_SLOTS (MAX_OV_COLS / SBR_TIME_STEP) |
| |
| #endif |