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