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 23 VOID ixheaac_cmplx_anal_fft_p2(FLOAT32 *ptr_x, FLOAT32 *ptr_y, WORD32 npoints); 24 25 VOID ixheaac_cmplx_anal_fft_p3(FLOAT32 *ptr_x_in, FLOAT32 *ptr_x_out, WORD32 npoints); 26 27 VOID ixheaac_real_synth_fft_p2(FLOAT32 *ptr_x, FLOAT32 *ptr_y, WORD32 npoints); 28 29 VOID ixheaac_real_synth_fft_p3(FLOAT32 *ptr_x_in, FLOAT32 *ptr_x_out, WORD32 npoints); 30 31 IA_ERRORCODE ixheaace_complex_anal_filt(ixheaace_str_esbr_hbe_txposer *ptr_hbe_txposer); 32 33 IA_ERRORCODE ixheaace_real_synth_filt(ixheaace_str_esbr_hbe_txposer *ptr_hbe_txposer, 34 WORD32 num_columns, FLOAT32 qmf_buf_real[][64], 35 FLOAT32 qmf_buf_imag[][64]); 36 37 VOID ixheaace_dft_hbe_cplx_anal_filt(ixheaace_str_esbr_hbe_txposer *ptr_hbe_txposer, 38 FLOAT32 qmf_buf_real[][64], FLOAT32 qmf_buf_imag[][64]); 39 40 VOID ixheaace_hbe_apply_cfftn(FLOAT32 re[], FLOAT32 *ptr_scratch, WORD32 n_pass, WORD32 i_sign); 41 42 VOID ixheaace_hbe_apply_cfftn_gen(FLOAT32 in[], FLOAT32 *ptr_scratch, WORD32 n_pass, 43 WORD32 i_sign); 44 45 VOID ixheaace_hbe_apply_fft_288(FLOAT32 *ptr_inp, FLOAT32 *ptr_scratch, WORD32 len, 46 WORD32 i_sign); 47 48 VOID ixheaace_hbe_apply_ifft_224(FLOAT32 *ptr_inp, FLOAT32 *ptr_scratch, WORD32 len, 49 WORD32 i_sign); 50 51 VOID ixheaace_hbe_apply_fft_3(FLOAT32 *ptr_inp, FLOAT32 *ptr_op, WORD32 i_sign); 52 53 VOID ixheaace_hbe_apply_ifft_7(FLOAT32 *ptr_inp, FLOAT32 *ptr_op); 54 55 VOID ixheaace_hbe_apply_ifft_336(FLOAT32 *ptr_inp, FLOAT32 *ptr_scratch, WORD32 len, 56 WORD32 i_sign); 57