/****************************************************************************** * * * 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