| /****************************************************************************** |
| * * |
| * 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_SBRDECODER_H |
| #define IXHEAACD_SBRDECODER_H |
| |
| #define EXT_DYNAMIC_RANGE 11 |
| |
| #define SBR_EXTENSION 13 |
| #define SBR_EXTENSION_CRC 14 |
| |
| #define MAXNRELEMENTS 1 |
| #define MAXNRSBRCHANNELS 2 |
| #define MAXSBRBYTES 1024 |
| |
| #define SBRDEC_OK 0 |
| |
| typedef enum { |
| SBR_ID_SCE = 0, |
| SBR_ID_CPE, |
| SBR_ID_CCE = 2, |
| SBR_ID_LCS, |
| SBR_ID_LFE, |
| SBR_ID_DSE, |
| SBR_ID_PCE, |
| SBR_ID_FIL, |
| SBR_ID_END |
| } SBR_ELEMENT_ID; |
| |
| typedef struct { |
| WORD32 sbr_ele_id; |
| WORD32 extension_type; |
| WORD32 size_payload; |
| WORD8 *ptr_sbr_data; |
| } ia_sbr_element_stream_struct; |
| |
| typedef struct { |
| WORD16 no_elements; |
| ia_sbr_element_stream_struct str_sbr_ele[MAXNRELEMENTS]; |
| } ia_aac_dec_sbr_bitstream_struct; |
| typedef enum { UNKNOWN_SBR = 0, ORIG_SBR, PVC_SBR } SBR_TYPE_ID; |
| |
| typedef struct ia_sbr_dec_inst_struct *ia_handle_sbr_dec_inst_struct; |
| |
| typedef struct { |
| VOID *ptr_work_buf_core; |
| VOID *ptr_work_buf; |
| VOID *extra_scr_1k[2]; |
| } ia_sbr_scr_struct; |
| |
| IA_ERRORCODE ixheaacd_applysbr( |
| ia_handle_sbr_dec_inst_struct self, |
| ia_aac_dec_sbr_bitstream_struct *p_sbr_bit_stream, WORD16 *core_sample_buf, |
| WORD16 *codec_num_channels, FLAG frame_status, FLAG down_samp_flag, |
| FLAG down_mix_flag, ia_sbr_scr_struct *sbr_scratch_struct, WORD32 ps_enable, |
| WORD32 ch_fac, WORD32 slot_element, ia_bit_buf_struct *it_bit_buff, |
| ia_drc_dec_struct *pstr_drc_dec, WORD eld_sbr_flag, WORD audio_object_type); |
| |
| WORD32 ixheaacd_getsize_sbr_persistent(); |
| |
| VOID ixheaacd_set_sbr_persistent_buffers(VOID *aac_persistent_mem_v, |
| WORD32 *persistent_used, |
| WORD32 channels, WORD32 ps_enable); |
| |
| #endif |