1 /****************************************************************************** 2 * * 3 * Copyright (C) 2023 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 21 #pragma once 22 #define MAX_QUANT 8192 23 #define SF_OFFSET 100 24 25 #define sgn(A) ((A) > 0 ? (1) : (-1)) 26 27 typedef struct ia_usac_quant_info_struct { 28 WORD32 scale_factor[MAX_SF_BANDS]; 29 WORD32 quant_degroup[FRAME_LEN_LONG]; 30 WORD32 arith_size_prev; 31 WORD32 reset; 32 WORD32 c_prev[(FRAME_LEN_LONG / 2) + 4]; 33 WORD32 c_pres[(FRAME_LEN_LONG / 2) + 4]; 34 WORD32 max_spec_coeffs; 35 } ia_usac_quant_info_struct; 36