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/******************************************************************************
* *
* 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_AACDEC_H
#define IXHEAACD_AACDEC_H
#define AAC_DEC_OK IA_ENHAACPLUS_DEC_API_NONFATAL_NO_ERROR
#define IA_ENHAACPDEC_NUM_MEMTABS (4)
#define IA_MPS_DEC_NUM_MEMTABS (4)
#define FRAME_SIZE 1024
#define ADTS_BSFORMAT 2
#define LOAS_BSFORMAT 3
typedef struct ia_aac_decoder_struct {
FLAG frame_status;
WORD32 byte_align_bits;
ia_aac_dec_sbr_bitstream_struct *pstr_sbr_bitstream;
ia_aac_dec_channel_info_struct *pstr_aac_dec_ch_info[CHANNELS];
ia_aac_dec_channel_info *ptr_aac_dec_static_channel_info[CHANNELS];
ia_aac_dec_overlap_info *pstr_aac_dec_overlap_info[CHANNELS];
ia_pns_rand_vec_struct *pstr_pns_rand_vec_data;
void *p_ind_channel_info;
WORD32 block_number;
WORD16 sampling_rate_index;
WORD32 sampling_rate;
WORD32 samples_per_frame;
WORD16 channels;
WORD8 num_swb_window[2];
ia_aac_dec_tables_struct *pstr_aac_tables;
ixheaacd_misc_tables *pstr_common_tables;
} ia_aac_decoder_struct;
struct ia_aac_persistent_struct {
WORD32 *overlap_buffer;
ia_aac_dec_overlap_info str_aac_dec_overlap_info[CHANNELS];
ia_pns_rand_vec_struct str_pns_rand_vec_data;
struct ia_aac_decoder_struct str_aac_decoder;
WORD8 *sbr_payload_buffer;
ia_aac_dec_channel_info *ptr_aac_dec_static_channel_info[CHANNELS];
WORD16 *ltp_buf[CHANNELS];
};
typedef struct {
VOID *base_scr_8k;
VOID *extra_scr_4k[4];
WORD32 *in_data;
WORD32 *out_data;
} ia_aac_dec_scratch_struct;
WORD16 ixheaacd_individual_ch_stream(
ia_bit_buf_struct *it_bit_buff, ia_aac_decoder_struct *aac_dec_handle,
WORD32 num_ch, WORD32 frame_size, WORD32 total_channels, WORD32 object_type,
ia_eld_specific_config_struct eld_specific_config, WORD32 ele_type);
VOID ixheaacd_huff_tables_create(ia_aac_dec_tables_struct *);
WORD32 ixheaacd_set_aac_persistent_buffers(VOID *aac_persistent_mem_v,
WORD32 channels);
VOID ixheaacd_huffman_decode(WORD32 it_bit_buff, WORD16 *h_index, WORD16 *len,
const UWORD16 *input_table,
const UWORD32 *idx_table);
#endif /* #ifndef IXHEAACD_AACDEC_H */