82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
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/******************************************************************************
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* *
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef IXHEAACD_SBRDECODER_H
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#define IXHEAACD_SBRDECODER_H
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#define EXT_DYNAMIC_RANGE 11
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#define SBR_EXTENSION 13
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#define SBR_EXTENSION_CRC 14
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#define MAXNRELEMENTS 1
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#define MAXNRSBRCHANNELS 2
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#define MAXSBRBYTES 1024
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#define SBRDEC_OK 0
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typedef enum {
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SBR_ID_SCE = 0,
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SBR_ID_CPE,
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SBR_ID_CCE = 2,
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SBR_ID_LCS,
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SBR_ID_LFE,
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SBR_ID_DSE,
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SBR_ID_PCE,
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SBR_ID_FIL,
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SBR_ID_END
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} SBR_ELEMENT_ID;
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typedef struct {
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WORD32 sbr_ele_id;
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WORD32 extension_type;
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WORD32 size_payload;
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WORD8 *ptr_sbr_data;
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} ia_sbr_element_stream_struct;
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typedef struct {
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WORD16 no_elements;
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ia_sbr_element_stream_struct str_sbr_ele[MAXNRELEMENTS];
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} ia_aac_dec_sbr_bitstream_struct;
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typedef enum { UNKNOWN_SBR = 0, ORIG_SBR, PVC_SBR } SBR_TYPE_ID;
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typedef struct ia_sbr_dec_inst_struct *ia_handle_sbr_dec_inst_struct;
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typedef struct {
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VOID *ptr_work_buf_core;
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VOID *ptr_work_buf;
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VOID *extra_scr_1k[2];
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} ia_sbr_scr_struct;
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IA_ERRORCODE ixheaacd_applysbr(
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ia_handle_sbr_dec_inst_struct self,
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ia_aac_dec_sbr_bitstream_struct *p_sbr_bit_stream, WORD16 *core_sample_buf,
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WORD16 *codec_num_channels, FLAG frame_status, FLAG down_samp_flag,
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FLAG down_mix_flag, ia_sbr_scr_struct *sbr_scratch_struct, WORD32 ps_enable,
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WORD32 ch_fac, WORD32 slot_element, ia_bit_buf_struct *it_bit_buff,
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ia_drc_dec_struct *pstr_drc_dec, WORD eld_sbr_flag, WORD audio_object_type);
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WORD32 ixheaacd_getsize_sbr_persistent();
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VOID ixheaacd_set_sbr_persistent_buffers(VOID *aac_persistent_mem_v,
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WORD32 *persistent_used,
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WORD32 channels, WORD32 ps_enable);
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#endif
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