1 /****************************************************************************** 2 * * 3 * Copyright (C) 2018 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 #ifndef IXHEAACD_QMF_POLY_H 21 #define IXHEAACD_QMF_POLY_H 22 23 double *ixheaacd_interpo_esbr_fcoff(const double *orig_prot, WORD32 no, 24 WORD32 lo, WORD32 li); 25 26 WORD32 ixheaacd_complex_anal_filt(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer); 27 28 WORD32 ixheaacd_real_synth_filt(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer, 29 WORD32 num_columns, FLOAT32 qmf_buf_real[][64], 30 FLOAT32 qmf_buf_imag[][64]); 31 32 VOID ixheaacd_cmplx_anal_fft_p2(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points); 33 34 VOID ixheaacd_cmplx_anal_fft_p3(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points); 35 36 VOID ixheaacd_real_synth_fft_p2(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points); 37 38 VOID ixheaacd_real_synth_fft_p3(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points); 39 40 WORD32 ixheaacd_dft_hbe_cplx_anal_filt(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer, 41 FLOAT32 qmf_buf_real[][64], 42 FLOAT32 qmf_buf_imag[][64]); 43 44 #endif 45