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 typedef struct { 23 WORD32 ms_mask; 24 WORD32 ms_used[MAX_SHORT_WINDOWS][MAX_SFB_LONG]; 25 } ia_ms_info_struct; 26 27 VOID iusace_ms_apply(ia_psy_mod_data_struct *pstr_psy_data, FLOAT64 *ptr_spec_left, 28 FLOAT64 *ptr_spec_right, WORD32 *ms_select, 29 WORD32 ms_used[MAX_SHORT_WINDOWS][MAX_SFB_LONG], const WORD32 sfb_count, 30 const WORD32 sfb_per_group, const WORD32 max_sfb_per_grp, 31 const WORD32 *ptr_sfb_offsets, WORD32 chn, FLOAT64 *ptr_ms_spec); 32 33 VOID iusace_calc_ms_band_energy(const FLOAT64 *ptr_spec_left, const FLOAT64 *ptr_spec_right, 34 const WORD32 *ptr_band_offset, const WORD32 num_bands, 35 FLOAT32 *ptr_band_energy_mid, FLOAT32 *ptr_band_energy_side); 36