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_SBRDECODER_H 21 #define IXHEAACD_SBRDECODER_H 22 23 #define EXT_DYNAMIC_RANGE 11 24 25 #define SBR_EXTENSION 13 26 #define SBR_EXTENSION_CRC 14 27 28 #define MAXNRELEMENTS 1 29 #define MAXNRSBRCHANNELS 2 30 #define MAXSBRBYTES 1024 31 32 #define SBRDEC_OK 0 33 34 typedef enum { 35 SBR_ID_SCE = 0, 36 SBR_ID_CPE, 37 SBR_ID_CCE = 2, 38 SBR_ID_LCS, 39 SBR_ID_LFE, 40 SBR_ID_DSE, 41 SBR_ID_PCE, 42 SBR_ID_FIL, 43 SBR_ID_END 44 } SBR_ELEMENT_ID; 45 46 typedef struct { 47 WORD32 sbr_ele_id; 48 WORD32 extension_type; 49 WORD32 size_payload; 50 WORD8 *ptr_sbr_data; 51 } ia_sbr_element_stream_struct; 52 53 typedef struct { 54 WORD16 no_elements; 55 ia_sbr_element_stream_struct str_sbr_ele[MAXNRELEMENTS]; 56 } ia_aac_dec_sbr_bitstream_struct; 57 typedef enum { UNKNOWN_SBR = 0, ORIG_SBR, PVC_SBR } SBR_TYPE_ID; 58 59 typedef struct ia_sbr_dec_inst_struct *ia_handle_sbr_dec_inst_struct; 60 61 typedef struct { 62 VOID *ptr_work_buf_core; 63 VOID *ptr_work_buf; 64 VOID *extra_scr_1k[2]; 65 } ia_sbr_scr_struct; 66 67 WORD16 ixheaacd_applysbr( 68 ia_handle_sbr_dec_inst_struct self, 69 ia_aac_dec_sbr_bitstream_struct *p_sbr_bit_stream, WORD16 *core_sample_buf, 70 WORD16 *codec_num_channels, FLAG frame_status, FLAG down_samp_flag, 71 FLAG down_mix_flag, ia_sbr_scr_struct *sbr_scratch_struct, WORD32 ps_enable, 72 WORD32 ch_fac, WORD32 slot_element, ia_bit_buf_struct *it_bit_buff, 73 ia_drc_dec_struct *pstr_drc_dec, WORD eld_sbr_flag, WORD audio_object_type); 74 75 WORD32 ixheaacd_getsize_sbr_persistent(); 76 77 VOID ixheaacd_set_sbr_persistent_buffers(VOID *aac_persistent_mem_v, 78 WORD32 *persistent_used, 79 WORD32 channels, WORD32 ps_enable); 80 81 #endif 82
