170 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			170 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
| /******************************************************************************
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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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| 
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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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| 
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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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| 
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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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| 
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| #include "ixheaacd_aac_rom.h"
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| #include "ixheaacd_ps_dec.h"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     scale = (scale + scale);
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|       scale = (scale + scale);
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| 
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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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