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https://github.com/ittiam-systems/libxaac.git
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088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 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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#pragma once
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#define MAXIMUM_SECTIONS MAXIMUM_GROUPED_SCALE_FACTOR_BAND
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#define SECT_ESC_VAL_LONG 31
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#define SECT_ESC_VAL_SHORT 7
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#define CODE_BCK_BITS 4
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#define SECT_BITS_LONG 5
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#define SECT_BITS_SHORT 3
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typedef enum {
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SI_ID_BITS = (3),
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SI_FILL_COUNT_BITS = (4),
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SI_FILL_ESC_COUNT_BITS = (8),
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SI_FILL_EXTENTION_BITS = (4),
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SI_FILL_NIBBLE_BITS = (4),
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SI_SCE_BITS = (4),
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SI_CPE_BITS = (5),
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SI_CPE_MS_MASK_BITS = (2),
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SI_ICS_INFO_BITS_LONG = (1 + 2 + 1 + 6 + 1),
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SI_ICS_INFO_BITS_SHORT = (1 + 2 + 1 + 4 + 7),
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SI_ICS_BITS = (8 + 1 + 1 + 1),
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} SI_BITS;
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typedef struct {
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WORD8 code_book;
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WORD8 sfb_start;
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WORD8 sfb_cnt;
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WORD16 section_bits;
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} ixheaace_section_info;
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typedef struct {
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WORD32 block_type;
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WORD32 total_groups_cnt;
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WORD32 sfb_cnt;
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WORD32 max_sfb_per_grp;
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WORD32 sfb_per_group;
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WORD32 num_of_sections;
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ixheaace_section_info section[MAXIMUM_SECTIONS];
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WORD32 side_info_bits; /* sectioning bits */
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WORD32 huffman_bits; /* huffman coded bits */
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WORD32 scale_fac_bits; /* scalefac coded bits */
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WORD32 first_scf; /* first scf to be coded */
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} ixheaace_section_data;
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VOID ia_enhaacplus_enc_bitcount_init(WORD32 *side_info_tab_long, WORD32 *side_info_tab_short);
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IA_ERRORCODE ia_enhaacplus_enc_dyn_bitcount(
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const WORD16 *ptr_quant_spec, const UWORD16 *ptr_max_val_in_sfb, const WORD16 *ptr_scale_fac,
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const WORD32 block_type, const WORD32 sfb_cnt, const WORD32 max_sfb_per_grp,
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const WORD32 sfb_per_grp, const WORD32 *ptr_sfb_offset,
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ixheaace_section_data *pstr_section_data, WORD32 *ptr_side_info_tab_long,
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WORD32 *ptr_side_info_tab_short, ixheaace_huffman_tables *ptr_huffman_tbl,
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WORD32 *ptr_scratch_buf, WORD32 aot, WORD32 *bit_cnt);
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