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