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 #define IXHEAACE_TABLE_IDX_NOT_FOUND (-1) 24 #define IXHEAACE_TABLE_IDX_FOUND (0) 25 #define IXHEAACE_HYBRID_BANDS (16) 26 #define IXHEAACE_SUBSAMPLES (32) 27 28 #define ALIGNMENT_DEFINE __attribute__((aligned(8))) 29 30 #ifndef max 31 #define max(a, b) (a > b ? a : b) 32 #endif 33 34 // 4 is for sizeof FLOAT32 data type 35 #define IXHEAACE_SBR_SCR_SIZE_PVC \ 36 (((IXHEAACE_ESBR_PVC_NUM_TS * IXHEAACE_ESBR_PVC_NUM_QMF_BANDS_CORE + \ 37 IXHEAACE_ESBR_PVC_NUM_TS * IXHEAACE_ESBR_PVC_NUM_QMF_BANDS) * \ 38 4) + \ 39 128) 40 41 // 4 is for sizeof FLOAT32 data type and 2 is for two-channels 42 #define IXHEAACE_SBR_SCR_SIZE_TES \ 43 ((IXHEAACE_TIMESLOT_BUFFER_SIZE * IXHEAACE_QMF_CHANNELS * 2 * 4) + 128) 44 45 #define IXHEAACE_SBR_SCR_SIZE \ 46 MAX(IXHEAACE_SBR_SCR_SIZE_PVC, MAX(IXHEAACE_SBR_SCR_SIZE_TES, (2 * 1024))) 47 48 typedef struct { 49 WORD32 ps_buf3[IXHEAACE_HYBRID_BANDS * IXHEAACE_SUBSAMPLES * 2]; 50 FLOAT32 51 sbr_env_r_buf[IXHEAACE_MAX_CH_IN_BS_ELE * IXHEAACE_QMF_TIME_SLOTS * IXHEAACE_QMF_CHANNELS]; 52 FLOAT32 53 sbr_env_i_buf[IXHEAACE_MAX_CH_IN_BS_ELE * IXHEAACE_QMF_TIME_SLOTS * IXHEAACE_QMF_CHANNELS]; 54 FLOAT32 55 sbr_env_r_buffer[IXHEAACE_MAX_CH_IN_BS_ELE * MAX_QMF_TIME_SLOTS * IXHEAACE_QMF_CHANNELS]; 56 FLOAT32 57 sbr_env_i_buffer[IXHEAACE_MAX_CH_IN_BS_ELE * MAX_QMF_TIME_SLOTS * IXHEAACE_QMF_CHANNELS]; 58 WORD8 sbr_scratch[IXHEAACE_SBR_SCR_SIZE]; 59 } ixheaace_str_sbr_enc_scratch; 60 61 struct ixheaace_str_sbr_enc { 62 struct ixheaace_str_sbr_config_data str_sbr_cfg; 63 struct ixheaace_str_sbr_hdr_data str_sbr_hdr; 64 struct ixheaace_str_sbr_bitstream_data str_sbr_bs; 65 struct ixheaace_str_enc_channel *pstr_env_channel[IXHEAACE_MAX_CH_IN_BS_ELE]; 66 struct ixheaace_str_common_data str_cmon_data; 67 struct ixheaace_ps_enc *pstr_ps_enc; 68 ixheaace_str_sbr_qmf_filter_bank *pstr_synthesis_qmf_bank; 69 UWORD32 sbr_payload_prev[IXHEAACE_MAX_PAYLOAD_SIZE / (sizeof(WORD32))]; 70 UWORD32 sbr_payload[IXHEAACE_MAX_PAYLOAD_SIZE / (sizeof(WORD32))]; 71 UWORD32 sbr_payload_size; 72 WORD32 *ptr_common_buffer1; 73 WORD32 *ptr_common_buffer2; 74 ixheaace_str_sbr_enc_scratch *ptr_sbr_enc_scr; 75 ixheaace_pvc_enc *pstr_pvc_enc; 76 FLOAT32 *ptr_hbe_resample_buf; 77 }; 78