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170 lines
6.2 KiB
170 lines
6.2 KiB
4 months ago
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/******************************************************************************
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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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#include <string.h>
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#include "ixheaacd_sbr_common.h"
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#include "ixheaacd_type_def.h"
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#include "ixheaacd_constants.h"
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#include "ixheaacd_basic_ops32.h"
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#include "ixheaacd_basic_ops16.h"
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#include "ixheaacd_basic_ops40.h"
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#include "ixheaacd_basic_ops_arr.h"
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#include "ixheaacd_basic_ops.h"
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#include "ixheaacd_defines.h"
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#include "ixheaacd_basic_op.h"
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#include "ixheaacd_intrinsics.h"
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#include "ixheaacd_common_rom.h"
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#include "ixheaacd_basic_funcs.h"
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#include "ixheaacd_bitbuffer.h"
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#include "ixheaacd_sbrdecsettings.h"
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#include "ixheaacd_defines.h"
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#include "ixheaacd_pns.h"
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#include "ixheaacd_aac_rom.h"
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#include "ixheaacd_pulsedata.h"
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#include "ixheaacd_drc_data_struct.h"
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#include "ixheaacd_lt_predict.h"
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#include "ixheaacd_channelinfo.h"
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#include "ixheaacd_drc_dec.h"
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#include "ixheaacd_sbrdecoder.h"
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#include "ixheaacd_sbr_scale.h"
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#include "ixheaacd_lpp_tran.h"
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#include "ixheaacd_env_extr_part.h"
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#include "ixheaacd_sbr_rom.h"
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#include "ixheaacd_hybrid.h"
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#include "ixheaacd_ps_dec.h"
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#include "ixheaacd_env_extr.h"
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#include "ixheaacd_aac_rom.h"
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#include "ixheaacd_ps_dec.h"
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#include "ixheaacd_qmf_dec.h"
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#include "ixheaacd_env_calc.h"
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#include "ixheaacd_sbr_const.h"
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#include "ixheaacd_pvc_dec.h"
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#include "ixheaacd_sbr_dec.h"
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#include "ixheaacd_function_selector.h"
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VOID ixheaacd_apply_ps(ia_ps_dec_struct *ptr_ps_dec, WORD32 **p_buf_left_real,
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WORD32 **p_buf_left_imag, WORD32 *p_buf_right_real,
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WORD32 *p_buf_right_imag,
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ia_sbr_scale_fact_struct *sbr_scale_factor, WORD16 slot,
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ia_sbr_tables_struct *sbr_tables_ptr) {
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WORD16 shiftdelay =
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(WORD16)((slot < (32 - MAX_OV_COLS)) ? 0 : (sbr_scale_factor->lb_scale -
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sbr_scale_factor->ps_scale));
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ixheaacd_hybrid_analysis(p_buf_left_real[HYBRID_FILTER_DELAY],
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ptr_ps_dec->ptr_hyb_left_re,
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ptr_ps_dec->ptr_hyb_left_im, &ptr_ps_dec->str_hybrid,
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shiftdelay, sbr_tables_ptr);
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(*ixheaacd_decorrelation)(ptr_ps_dec, p_buf_left_real[0], p_buf_left_imag[0],
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p_buf_right_real, p_buf_right_imag,
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sbr_tables_ptr->ps_tables_ptr);
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(*ixheaacd_apply_rot)(ptr_ps_dec, p_buf_left_real[0], p_buf_left_imag[0],
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p_buf_right_real, p_buf_right_imag, sbr_tables_ptr,
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ptr_ps_dec->str_hybrid.ptr_resol);
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}
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VOID ixheaacd_scale_ps_states(ia_ps_dec_struct *ptr_ps_dec, WORD16 scale) {
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WORD i, m;
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WORD32 delay;
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if (scale > 0) {
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WORD16 scale1 = scale;
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if (scale > 15) scale1 = 15;
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for (m = 0; m < 2; m++)
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ixheaacd_scale_short_vec_left(
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(WORD16 *)&ptr_ps_dec->delay_buf_qmf_ap_re_im[m][3 * 2],
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2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale1);
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delay = 2 * HIGH_DEL * SMALL_DEL_STRT +
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2 * SMALL_DEL *
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(NUM_OF_QUAD_MIRROR_FILTER_ICC_CHNLS -
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(NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS + SMALL_DEL_STRT));
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ixheaacd_scale_short_vec_left((WORD16 *)ptr_ps_dec->delay_buf_qmf_ld_re_im,
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delay, scale1);
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delay = 2 * 16 * DEL_ALL_PASS + 2 * NUM_SER_AP_LINKS * 5 * 16;
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ixheaacd_scale_short_vec_left((WORD16 *)ptr_ps_dec->delay_buf_qmf_sub_re_im,
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delay, scale1);
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for (i = 0; i < NUM_SER_AP_LINKS; i++) {
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for (m = 0; m < ptr_ps_dec->delay_sample_ser[i]; m++) {
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ixheaacd_scale_short_vec_left(
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(WORD16 *)&ptr_ps_dec->delay_buf_qmf_ser_re_im[m][i][2 * 3],
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2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale1);
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}
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}
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ixheaacd_scale_int_vec_left(
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ptr_ps_dec->str_hybrid.ptr_qmf_buf_re[0],
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2 * NO_QMF_CHANNELS_IN_HYBRID * ptr_ps_dec->str_hybrid.ptr_qmf_buf,
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scale);
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scale = (scale + scale);
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ixheaacd_scale_int_vec_left(ptr_ps_dec->peak_decay_diff, 3 * NUM_OF_BINS,
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scale);
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} else {
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if (scale != 0) {
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scale = -scale;
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for (m = 0; m < 2; m++)
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ixheaacd_scale_short_vec_right(
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(WORD16 *)&ptr_ps_dec->delay_buf_qmf_ap_re_im[m][3 * 2],
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2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale);
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delay = 2 * HIGH_DEL * SMALL_DEL_STRT +
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2 * SMALL_DEL *
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(NUM_OF_QUAD_MIRROR_FILTER_ICC_CHNLS -
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(NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS + SMALL_DEL_STRT));
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ixheaacd_scale_short_vec_right(
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(WORD16 *)ptr_ps_dec->delay_buf_qmf_ld_re_im, delay, scale);
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delay = 2 * 16 * DEL_ALL_PASS + 2 * NUM_SER_AP_LINKS * 5 * 16;
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ixheaacd_scale_short_vec_right(
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(WORD16 *)ptr_ps_dec->delay_buf_qmf_sub_re_im, delay, scale);
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for (i = 0; i < NUM_SER_AP_LINKS; i++) {
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for (m = 0; m < ptr_ps_dec->delay_sample_ser[i]; m++) {
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ixheaacd_scale_short_vec_right(
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(WORD16 *)&ptr_ps_dec->delay_buf_qmf_ser_re_im[m][i][3 * 2],
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2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale);
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}
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}
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ixheaacd_scale_int_vec_right(
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ptr_ps_dec->str_hybrid.ptr_qmf_buf_re[0],
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2 * NO_QMF_CHANNELS_IN_HYBRID * ptr_ps_dec->str_hybrid.ptr_qmf_buf,
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scale);
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scale = (scale + scale);
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ixheaacd_scale_int_vec_right(ptr_ps_dec->peak_decay_diff, 3 * NUM_OF_BINS,
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scale);
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}
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}
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}
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