libxaac-mirror/encoder/ixheaace_interface.h
bmdivya100655 088122e748
Combined Workspace for Encoder and Decoder (#33)
* Combined Workspace for Encoder and Decoder

* Addressed review comments and some minor edits

---------

Co-authored-by: Divya B M <100655@ittiam.com>
2023-05-22 20:11:52 +05:30

71 lines
2.7 KiB
C

/******************************************************************************
* *
* Copyright (C) 2023 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
*/
#pragma once
enum { MS_NONE = 0, MS_SOME = 1, MS_ALL = 2 };
enum { MS_ON = 1 };
typedef struct {
WORD32 ms_digest; /* 0 = no MS; 1 = some MS, 2 = all MS */
WORD32 ms_mask[MAXIMUM_GROUPED_SCALE_FACTOR_BAND];
} ixheaace_tools_info;
typedef struct {
WORD32 sfb_count;
WORD32 sfb_per_group;
WORD32 max_sfb_per_grp;
WORD32 window_sequence;
WORD32 window_shape;
WORD32 grouping_mask;
WORD32 sfb_offsets[MAXIMUM_GROUPED_SCALE_FACTOR_BAND + 1];
FLOAT32 *ptr_sfb_energy;
FLOAT32 *ptr_sfb_spread_energy;
FLOAT32 *ptr_sfb_thr;
FLOAT32 *ptr_spec_coeffs;
FLOAT32 sfb_sum_ms_energy;
FLOAT32 sfb_sum_lr_energy;
FLOAT32 pe;
FLOAT32 sfb_min_snr[MAXIMUM_GROUPED_SCALE_FACTOR_BAND];
WORD32 ms_digest; /* 0 = no MS; 1 = some MS, 2 = all MS */
WORD32 ms_used[MAXIMUM_GROUPED_SCALE_FACTOR_BAND];
ixheaace_temporal_noise_shaping_params tns_info;
} ixheaace_psy_out_channel;
typedef struct {
ixheaace_tools_info tools_info;
FLOAT32 weight_ms_lr_pe_ratio;
} ixheaace_psy_out_element;
typedef struct {
/* information shared by both channels */
ixheaace_psy_out_element psy_out_element;
/* information specific to each channel */
ixheaace_psy_out_channel *psy_out_ch[IXHEAACE_MAX_CH_IN_BS_ELE];
} ixheaace_psy_out;
VOID ia_enhaacplus_enc_build_interface(
FLOAT32 *ptr_grouped_mdct_spec, ixheaace_sfb_energy *ptr_grouped_sfb_thres,
ixheaace_sfb_energy *ptr_grouped_sfb_nrg, ixheaace_sfb_energy *ptr_grouped_sfb_spreaded_nrg,
const ixheaace_sfb_energy_sum sfb_nrg_sum_lr, const ixheaace_sfb_energy_sum sfb_nrg_sum_ms,
const WORD32 win_seq, const WORD32 win_shape, const WORD32 grouped_sfb_cnt,
const WORD32 *ptr_grouped_sfb_offset, const WORD32 max_sfb_per_grp,
const FLOAT32 *ptr_grouped_sfb_min_snr, const WORD32 total_groups_cnt,
const WORD32 *ptr_group_len, ixheaace_psy_out_channel *ptr_psy_out_ch);