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 #ifndef IXHEAACD_MPS_MDCT_2_QMF_H 21 #define IXHEAACD_MPS_MDCT_2_QMF_H 22 23 #define AAC_FRAME_LENGTH (1024) 24 #define AAC_SHORT_FRAME_LENGTH (128) 25 26 #define MDCT_LENGTH_LO (AAC_FRAME_LENGTH) 27 #define MDCT_LENGTH_HI (AAC_FRAME_LENGTH << 1) 28 #define MDCT_LENGTH_SF (3 * AAC_SHORT_FRAME_LENGTH) 29 30 #define UPD_QMF_15 (15) 31 #define UPD_QMF_16 (16) 32 #define UPD_QMF_18 (18) 33 #define UPD_QMF_24 (24) 34 #define UPD_QMF_30 (30) 35 #define UPD_QMF_32 (32) 36 37 #define TSX2_4 (4) 38 #define TSX2_6 (6) 39 #define TSX2_8 (8) 40 #define TSX2_30 (30) 41 #define TSX2_32 (32) 42 #define TSX2_36 (36) 43 #define TSX2_48 (48) 44 #define TSX2_60 (60) 45 #define TSX2_64 (64) 46 #define TS_2 (2) 47 #define TS_4 (4) 48 #define TS_MINUS_ONE_4 (3) 49 #define TS_MINUS_ONE_15 (14) 50 #define TS_MINUS_ONE_16 (15) 51 #define TS_MINUS_ONE_18 (17) 52 #define TS_MINUS_ONE_24 (23) 53 #define TS_MINUS_ONE_30 (29) 54 #define TS_MINUS_ONE_32 (31) 55 #define ZERO (0) 56 57 IA_ERRORCODE ixheaacd_mdct2qmf_create(ia_heaac_mps_state_struct *pstr_mps_state); 58 59 VOID ixheaacd_mdct2qmf_process(WORD32 upd_qmf, WORD32 *const mdct_in, WORD32 *qmf_real_pre, 60 WORD32 *qmf_real_post, WORD32 *qmf_imag_pre, WORD32 *qmf_imag_post, 61 WORD32 const window_type, WORD32 qmf_global_offset, 62 ia_mps_dec_mps_tables_struct *ia_mps_dec_mps_table_ptr, 63 VOID *scratch, WORD32 time_slots); 64 65 #endif /* IXHEAACD_MPS_MDCT_2_QMF_H */ 66