| /****************************************************************************** |
| * * |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ***************************************************************************** |
| * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| */ |
| #ifndef IXHEAACD_HYBRID_H |
| #define IXHEAACD_HYBRID_H |
| |
| #define HYBRID_FILTER_LENGTH 13 |
| #define HYBRID_FILTER_DELAY 6 |
| #define NO_QMF_CHANNELS_IN_HYBRID 3 |
| #define NO_HYBRID_CHANNELS_LOW 2 |
| #define NO_HYBRID_CHANNELS_HIGH 8 |
| |
| typedef struct { |
| const WORD16 *ptr_resol; |
| WORD8 ptr_qmf_buf; |
| WORD32 *ptr_work_re; |
| WORD32 *ptr_work_im; |
| WORD32 *ptr_qmf_buf_re[NO_QMF_CHANNELS_IN_HYBRID]; |
| WORD32 *ptr_qmf_buf_im[NO_QMF_CHANNELS_IN_HYBRID]; |
| WORD32 *ptr_temp_re; |
| WORD32 *ptr_temp_im; |
| } ia_hybrid_struct; |
| |
| VOID ixheaacd_hybrid_analysis(const WORD32 *ptr_qmf_real, WORD32 *ptr_hyb_real, |
| WORD32 *ptr_hyb_imag, |
| ia_hybrid_struct *ptr_hybrid, WORD16 scale, |
| ia_sbr_tables_struct *sbr_tables_ptr); |
| |
| #endif /* IXHEAACD_HYBRID_H */ |