131 lines
4.9 KiB
C
131 lines
4.9 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 IXHEAACE_ESBR_PVC_MOD_NUM_TAB (2)
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#define IXHEAACE_ESBR_PVC_NUM_TAB_IDX_1 (3)
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#define IXHEAACE_ESBR_PVC_NUM_TAB_IDX_2 (128)
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#define IXHEAACE_ESBR_PVC_NUM_PVCID (128)
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#define IXHEAACE_ESBR_PVC_NUM_TS (16)
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#define IXHEAACE_ESBR_PVC_NUM_QMF_BANDS (64)
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#define IXHEAACE_ESBR_PVC_NUM_QMF_BANDS_CORE (64)
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#define IXHEAACE_ESBR_PVC_NUM_BANDS_CORE (3)
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#define IXHEAACE_ESBR_PVC_NUM_BANDS_SBR_MODE1 (8)
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#define IXHEAACE_ESBR_PVC_NUM_BANDS_SBR_MODE2 (6)
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#define IXHEAACE_ESBR_PVC_POW_THRS (0.1f)
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#define IXHEAACE_ESBR_PVC_NS_MODE_PRD_THRS (2)
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#define IXHEAACE_ESBR_PVC_RESIDUAL_VAL (1000000.0f)
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#define IXHEAACE_ESBR_PVC_NTS_GRP_ID (8)
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#define IXHEAACE_ESBR_PVC_DIV_MODE_BITS (3)
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#define IXHEAACE_ESBR_PVC_NS_MODE_BITS (1)
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#define IXHEAACE_ESBR_PVC_ID_BITS (7)
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#define IXHEAACE_ESBR_PVC_GRID_INFO_BITS (1)
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#define IXHEAACE_ESBR_PVC_REUSE_BITS (1)
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#define IXHEAACE_ESBR_PVC_FLAG_PREV_DFLT (0)
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#define IXHEAACE_ESBR_PVC_ID_PREV_DFLT (0xFF)
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#define IXHEAACE_ESBR_PVC_RATE_PREV_DFLT (0xFF)
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#define IXHEAACE_ESBR_PVC_STRT_BAND_PREV_DFLT (0xFF)
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#define IXHEAACE_ESBR_PVC_MODE_1 (1)
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#define IXHEAACE_ESBR_PVC_MODE_2 (2)
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typedef struct {
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const FLOAT32 pvc_smth_win_ns_16[16];
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const FLOAT32 pvc_smth_win_ns_12[12];
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const FLOAT32 pvc_smth_win_ns_4[4];
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const FLOAT32 pvc_smth_win_ns_3[3];
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const UWORD8 pvc_idx_mode_1[IXHEAACE_ESBR_PVC_MOD_NUM_TAB];
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const UWORD8 pvc_prd_coef_kb_3_mode_1[IXHEAACE_ESBR_PVC_NUM_TAB_IDX_2]
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[IXHEAACE_ESBR_PVC_NUM_BANDS_SBR_MODE1];
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const UWORD8 pvc_prd_coef_kb_012_mode_1[IXHEAACE_ESBR_PVC_NUM_TAB_IDX_1]
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[IXHEAACE_ESBR_PVC_NUM_BANDS_CORE]
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[IXHEAACE_ESBR_PVC_NUM_BANDS_SBR_MODE1];
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const FLOAT32 pvc_scaling_coef_mode_1[IXHEAACE_ESBR_PVC_NUM_BANDS_CORE + 1];
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const UWORD8 pvc_idx_mode_2[IXHEAACE_ESBR_PVC_MOD_NUM_TAB];
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const UWORD8 pvc_prd_coef_kb_3_mode_2[IXHEAACE_ESBR_PVC_NUM_TAB_IDX_2]
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[IXHEAACE_ESBR_PVC_NUM_BANDS_SBR_MODE2];
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const UWORD8 pvc_prd_coef_kb_012_mode_2[IXHEAACE_ESBR_PVC_NUM_TAB_IDX_1]
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[IXHEAACE_ESBR_PVC_NUM_BANDS_CORE]
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[IXHEAACE_ESBR_PVC_NUM_BANDS_SBR_MODE2];
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const FLOAT32 pvc_scaling_coef_mode_2[IXHEAACE_ESBR_PVC_NUM_BANDS_CORE + 1];
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} ixheaace_pvc_tabs_struct;
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extern const ixheaace_pvc_tabs_struct ixheaace_pvc_tabs;
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typedef struct {
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UWORD8 pvc_mode;
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UWORD8 div_mode;
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UWORD8 ns_mode;
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UWORD16 pvc_id[IXHEAACE_ESBR_PVC_NUM_TS];
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UWORD8 time_smth_ts;
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UWORD8 num_grp_core;
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UWORD8 num_grp_sbr;
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UWORD8 hbw;
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UWORD8 num_pvc_id;
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UWORD8 pvc_rate;
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WORD32 usac_indep_flag;
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} ixheaace_pvc_params;
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typedef struct {
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UWORD16 pvc_id;
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UWORD8 start_band;
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UWORD8 pvc_flag;
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UWORD8 pvc_mode;
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UWORD8 pvc_rate;
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} ixheaace_pvc_prv_frm_params;
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typedef struct {
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const FLOAT32 *smoothing_coef;
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const FLOAT32 *scaling_coef;
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const UWORD8 *pvc_pred_coef_kb_3;
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const UWORD8 *pvc_pred_coef_kb_012;
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const UWORD8 *pvc_idx_tab;
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} ixheaace_pvc_coef_tabs;
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typedef struct {
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UWORD8 div_mode;
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UWORD8 grid_info[IXHEAACE_ESBR_PVC_NUM_TS];
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UWORD8 ns_mode;
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WORD32 num_grid_info;
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UWORD16 pvc_id_bs[IXHEAACE_ESBR_PVC_NUM_TS];
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} ixheaace_pvc_bs_info;
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typedef struct {
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ixheaace_pvc_bs_info pvc_bs_info;
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ixheaace_pvc_params pvc_param;
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ixheaace_pvc_prv_frm_params pvc_prv_param;
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ixheaace_pvc_coef_tabs pvc_tabs;
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FLOAT32 sb_grp_energy[IXHEAACE_ESBR_PVC_NUM_TS + 16 - 1][3];
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} ixheaace_pvc_enc;
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typedef struct {
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FLOAT32 pvc_qmf_low[IXHEAACE_ESBR_PVC_NUM_TS * IXHEAACE_ESBR_PVC_NUM_QMF_BANDS_CORE];
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FLOAT32 pvc_qmf_high[IXHEAACE_ESBR_PVC_NUM_TS * IXHEAACE_ESBR_PVC_NUM_QMF_BANDS];
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} ixheaace_pvc_scratch;
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IA_ERRORCODE ixheaace_pvc_enc_init(ixheaace_pvc_enc *pstr_pvc_enc, WORD32 sbr_pvc_rate);
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IA_ERRORCODE ixheaace_pvc_encode_frame(ixheaace_pvc_enc *pstr_pvc_enc, UWORD8 pvc_mode,
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FLOAT32 *ptr_qmf_low, FLOAT32 *ptr_qmf_high,
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UWORD8 start_band, UWORD8 stop_band);
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