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 IA_ERRORCODE iusace_calc_window(FLOAT64 **win, WORD32 win_sz, WORD32 win_sel); 23 VOID iusace_windowing_long(FLOAT64 *ptr_out_buf, FLOAT64 *ptr_win_long, FLOAT64 *ptr_win_buf, 24 FLOAT64 *ptr_in_data, WORD32 n_long); 25 VOID iusace_windowing_long_start(FLOAT64 *ptr_out_buf, FLOAT64 *ptr_win_long, 26 FLOAT64 *ptr_win_buf, FLOAT64 *ptr_in_data, WORD32 n_long, 27 WORD32 nflat_ls, FLOAT64 *ptr_win_med, WORD32 win_sz); 28 VOID iusace_windowing_long_stop(FLOAT64 *ptr_out_buf, FLOAT64 *ptr_win_long, FLOAT64 *ptr_win_buf, 29 FLOAT64 *ptr_in_data, WORD32 n_long, WORD32 nflat_ls, 30 FLOAT64 *ptr_win_med, WORD32 win_sz); 31 VOID iusace_windowing_stop_start(FLOAT64 *ptr_out_buf, FLOAT64 *ptr_win_buf, FLOAT64 *ptr_win_med, 32 WORD32 win_sz, WORD32 n_long); 33 WORD32 iusace_fd_mdct(ia_usac_data_struct *pstr_usac_data, 34 ia_usac_encoder_config_struct *pstr_usac_config, WORD32 ch_idx); 35