088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
80 lines
2.8 KiB
C
80 lines
2.8 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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#include <math.h>
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#include "ixheaac_type_def.h"
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#include "ixheaace_mps_common_fix.h"
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#include "ixheaace_mps_defines.h"
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#include "ixheaace_mps_common_define.h"
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FLOAT32
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ixheaace_mps_212_sum_up_cplx_pow_2_dim_2(ixheaace_cmplx_str inp[MAX_ANA_TIME_SLOT][MAX_QMF_BANDS],
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const WORD32 start_dim_1, const WORD32 stop_dim_1,
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const WORD32 start_dim_2, const WORD32 stop_dim_2) {
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WORD32 idx_1, idx_2;
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FLOAT32 sum;
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sum = 0.0f;
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for (idx_1 = start_dim_1; idx_1 < stop_dim_1; idx_1++) {
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for (idx_2 = start_dim_2; idx_2 < stop_dim_2; idx_2++) {
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sum += inp[idx_1][idx_2].re * inp[idx_1][idx_2].re;
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sum += inp[idx_1][idx_2].im * inp[idx_1][idx_2].im;
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}
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}
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return (sum / 2);
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}
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VOID ixheaace_mps_212_cplx_scalar_product(
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ixheaace_cmplx_str *const out, ixheaace_cmplx_str inp_1[MAX_ANA_TIME_SLOT][MAX_QMF_BANDS],
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ixheaace_cmplx_str inp_2[MAX_ANA_TIME_SLOT][MAX_QMF_BANDS], const WORD32 start_dim_1,
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const WORD32 stop_dim_1, const WORD32 start_dim_2, const WORD32 stop_dim_2) {
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WORD32 idx_1, idx_2;
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FLOAT32 re_x, re_y, im_x, im_y, re, im;
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re = 0.0f;
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im = 0.0f;
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for (idx_1 = start_dim_1; idx_1 < stop_dim_1; idx_1++) {
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for (idx_2 = start_dim_2; idx_2 < stop_dim_2; idx_2++) {
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re_x = inp_1[idx_1][idx_2].re;
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im_x = inp_1[idx_1][idx_2].im;
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re_y = inp_2[idx_1][idx_2].re;
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im_y = inp_2[idx_1][idx_2].im;
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re += (re_x * re_y) + (im_x * im_y);
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im += (im_x * re_y) - (re_x * im_y);
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}
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}
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out->re = re / 2;
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out->im = im / 2;
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}
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FLOAT32 ixheaace_mps_212_sum_up_cplx_pow_2(const ixheaace_cmplx_str *const inp,
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const WORD32 len) {
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WORD32 idx;
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FLOAT32 sum;
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sum = 0.0f;
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for (idx = 0; idx < len; idx++) {
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sum += inp[idx].re * inp[idx].re;
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sum += inp[idx].im * inp[idx].im;
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}
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return (sum / 2);
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}
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