LCOV - code coverage report
Current view: top level - lib_rend - ivas_crend.c (source / functions) Hit Total Coverage
Test: Coverage on main -- conformance test test_26252.py @ 9b04ec3cb36f5e8dc438cf854fa3e349998fa1e9 Lines: 607 843 72.0 %
Date: 2025-10-31 05:34:26 Functions: 15 17 88.2 %

          Line data    Source code
       1             : /******************************************************************************************************
       2             : 
       3             :    (C) 2022-2025 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,
       4             :    Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
       5             :    Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
       6             :    Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
       7             :    contributors to this repository. All Rights Reserved.
       8             : 
       9             :    This software is protected by copyright law and by international treaties.
      10             :    The IVAS codec Public Collaboration consisting of Dolby International AB, Ericsson AB,
      11             :    Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
      12             :    Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
      13             :    Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
      14             :    contributors to this repository retain full ownership rights in their respective contributions in
      15             :    the software. This notice grants no license of any kind, including but not limited to patent
      16             :    license, nor is any license granted by implication, estoppel or otherwise.
      17             : 
      18             :    Contributors are required to enter into the IVAS codec Public Collaboration agreement before making
      19             :    contributions.
      20             : 
      21             :    This software is provided "AS IS", without any express or implied warranties. The software is in the
      22             :    development stage. It is intended exclusively for experts who have experience with such software and
      23             :    solely for the purpose of inspection. All implied warranties of non-infringement, merchantability
      24             :    and fitness for a particular purpose are hereby disclaimed and excluded.
      25             : 
      26             :    Any dispute, controversy or claim arising under or in relation to providing this software shall be
      27             :    submitted to and settled by the final, binding jurisdiction of the courts of Munich, Germany in
      28             :    accordance with the laws of the Federal Republic of Germany excluding its conflict of law rules and
      29             :    the United Nations Convention on Contracts on the International Sales of Goods.
      30             : 
      31             : *******************************************************************************************************/
      32             : 
      33             : #include <stdint.h>
      34             : #include "options.h"
      35             : #include "prot.h"
      36             : #include "ivas_prot.h"
      37             : #include "ivas_prot_rend.h"
      38             : #include "ivas_cnst.h"
      39             : #include "ivas_rom_rend.h"
      40             : #include <math.h>
      41             : #include "ivas_rom_binaural_crend_head.h"
      42             : #include "ivas_stat_rend.h"
      43             : #include "lib_rend.h"
      44             : #ifdef DEBUGGING
      45             : #include "debug.h"
      46             : #endif
      47             : #include "wmc_auto.h"
      48             : 
      49             : 
      50             : /*-------------------------------------------------------------------------
      51             :  * ivas_Crend_hrtf_init()
      52             :  *
      53             :  * Initialize hHrtf handle
      54             :  *------------------------------------------------------------------------*/
      55             : 
      56         603 : ivas_error ivas_Crend_hrtf_init(
      57             :     HRTFS_CREND_DATA *hHrtf /* i/o: HRTF handle     */
      58             : )
      59             : {
      60             :     int16_t i, j;
      61             : 
      62         603 :     if ( hHrtf == NULL )
      63             :     {
      64           0 :         return IVAS_ERR_WRONG_PARAMS;
      65             :     }
      66             : 
      67         603 :     hHrtf->latency_s = 0;
      68         603 :     hHrtf->max_num_ir = 0;
      69         603 :     hHrtf->max_num_iterations = 0;
      70         603 :     hHrtf->gain_lfe = 0;
      71         603 :     hHrtf->index_frequency_max_diffuse = 0;
      72         603 :     hHrtf->same_inv_diffuse_weight = 1;
      73             : 
      74       10251 :     for ( i = 0; i < MAX_INTERN_CHANNELS; i++ )
      75             :     {
      76       28944 :         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
      77             :         {
      78       19296 :             hHrtf->inv_diffuse_weight[j][i] = 0;
      79       19296 :             hHrtf->num_iterations[i][j] = 0;
      80       19296 :             hHrtf->pIndex_frequency_max[i][j] = NULL;
      81       19296 :             hHrtf->pOut_to_bin_re[i][j] = NULL;
      82       19296 :             hHrtf->pOut_to_bin_im[i][j] = NULL;
      83             :         }
      84             :     }
      85             : 
      86        1809 :     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
      87             :     {
      88        1206 :         hHrtf->num_iterations_diffuse[j] = 0;
      89        1206 :         hHrtf->pIndex_frequency_max_diffuse[j] = NULL;
      90        1206 :         hHrtf->pOut_to_bin_diffuse_re[j] = NULL;
      91        1206 :         hHrtf->pOut_to_bin_diffuse_im[j] = NULL;
      92             :     }
      93             : 
      94         603 :     hHrtf->init_from_rom = 1;
      95             : 
      96         603 :     return IVAS_ERR_OK;
      97             : }
      98             : 
      99             : 
     100             : /*-------------------------------------------------------------------------
     101             :  * ivas_hrtf_open()
     102             :  *
     103             :  * Open hHrtf handle for Crend renderer
     104             :  *------------------------------------------------------------------------*/
     105             : 
     106         575 : static ivas_error ivas_hrtf_open(
     107             :     HRTFS_CREND_HANDLE *hHrtf_out /* o  : HRTF handle     */
     108             : )
     109             : {
     110             :     HRTFS_CREND_HANDLE hHrtf;
     111             :     ivas_error error;
     112             : 
     113         575 :     if ( *hHrtf_out == NULL )
     114             :     {
     115         575 :         if ( ( hHrtf = (HRTFS_CREND_HANDLE) malloc( sizeof( HRTFS_CREND_DATA ) ) ) == NULL )
     116             :         {
     117           0 :             return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend HRTFS Handle\n" );
     118             :         }
     119             : 
     120         575 :         if ( ( error = ivas_Crend_hrtf_init( hHrtf ) ) != IVAS_ERR_OK )
     121             :         {
     122           0 :             return error;
     123             :         }
     124             : 
     125         575 :         *hHrtf_out = hHrtf;
     126             :     }
     127             :     else
     128             :     {
     129           0 :         return IVAS_ERR_INTERNAL;
     130             :     }
     131             : 
     132         575 :     return IVAS_ERR_OK;
     133             : }
     134             : 
     135             : 
     136             : /*-------------------------------------------------------------------------
     137             :  * ivas_hrtf_close()
     138             :  *
     139             :  * Close hHrtf handle
     140             :  *------------------------------------------------------------------------*/
     141             : 
     142         575 : static void ivas_hrtf_close(
     143             :     HRTFS_CREND_HANDLE *hHrtf /* i/o: Crend HRTF handle         */
     144             : )
     145             : {
     146         575 :     if ( hHrtf == NULL || *hHrtf == NULL )
     147             :     {
     148           0 :         return;
     149             :     }
     150             : 
     151         575 :     free( *hHrtf );
     152         575 :     *hHrtf = NULL;
     153             : 
     154         575 :     return;
     155             : }
     156             : 
     157             : 
     158             : /*-------------------------------------------------------------------------
     159             :  * ivas_rend_initCrend()
     160             :  *
     161             :  * Allocate and initialize crend renderer handle
     162             :  *------------------------------------------------------------------------*/
     163             : 
     164         603 : static ivas_error ivas_rend_initCrend(
     165             :     CREND_WRAPPER *pCrend,
     166             :     const AUDIO_CONFIG inConfig,
     167             :     const AUDIO_CONFIG outConfig,
     168             :     HRTFS_CREND_HANDLE hHrtfCrend,
     169             :     const int16_t ext_rend_flag,
     170             :     const int32_t output_Fs )
     171             : {
     172             :     int16_t i, j, tmp, tmp2;
     173             :     int16_t nchan_in;
     174             :     IVAS_REND_AudioConfigType inConfigType;
     175             :     HRTFS_CREND_HANDLE hHrtf;
     176             :     ivas_error error;
     177             : 
     178         603 :     inConfigType = getAudioConfigType( inConfig );
     179         603 :     hHrtf = pCrend->hHrtfCrend;
     180             : 
     181             :     /* Do all error checks up front so that the nested if later is easier */
     182         603 :     if ( inConfigType != IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED && inConfigType != IVAS_REND_AUDIO_CONFIG_TYPE_AMBISONICS )
     183             :     {
     184           0 :         return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Encountered unsupported input config in Crend" );
     185             :     }
     186             : 
     187         603 :     if ( outConfig != IVAS_AUDIO_CONFIG_BINAURAL && outConfig != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR && outConfig != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB && outConfig != IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED && outConfig != IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
     188             :     {
     189           0 :         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Encountered unsupported output type in Crend" );
     190             :     }
     191             : 
     192         603 :     if ( hHrtf == NULL )
     193             :     {
     194         603 :         if ( hHrtfCrend != NULL && ext_rend_flag == 0 )
     195             :         {
     196             :             /* HRTF set loaded from binary file */
     197          28 :             hHrtf = hHrtfCrend;
     198          28 :             hHrtf->init_from_rom = 0;
     199             :         }
     200             :         else
     201             :         {
     202             :             /* create new handle when HRTF is loaded from ROM, or external renderer is used */
     203         575 :             if ( ( error = ivas_hrtf_open( &hHrtf ) ) != IVAS_ERR_OK )
     204             :             {
     205           0 :                 return error;
     206             :             }
     207             : 
     208         575 :             hHrtf->init_from_rom = 1;
     209         575 :             if ( hHrtfCrend != NULL )
     210             :             {
     211           0 :                 hHrtf->init_from_rom = 0;
     212             :             }
     213             :         }
     214             :     }
     215             : 
     216         603 :     if ( ( error = getAudioConfigNumChannels( inConfig, &nchan_in ) ) != IVAS_ERR_OK )
     217             :     {
     218           0 :         return error;
     219             :     }
     220         603 :     hHrtf->max_num_ir = nchan_in;
     221             : 
     222         603 :     if ( hHrtf->max_num_ir <= 0 )
     223             :     {
     224           0 :         return IVAS_ERR_INTERNAL_FATAL;
     225             :     }
     226             : 
     227         603 :     if ( hHrtf->init_from_rom )
     228             :     {
     229         575 :         if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED )
     230             :         {
     231         510 :             hHrtf->max_num_ir -= 1; /* subtract LFE */
     232         510 :             hHrtf->gain_lfe = GAIN_LFE;
     233             : 
     234         510 :             if ( output_Fs == 48000 )
     235             :             {
     236         370 :                 if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     237             :                 {
     238         230 :                     hHrtf->latency_s = CRendBin_Combined_BRIR_latency_s;
     239         230 :                     hHrtf->max_num_iterations = CRendBin_Combined_BRIR_max_num_iterations_48kHz;
     240         230 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_BRIR_index_frequency_max_diffuse_48kHz;
     241             :                 }
     242             :                 else
     243             :                 {
     244         140 :                     hHrtf->latency_s = CRendBin_Combined_HRIR_latency_s;
     245         140 :                     hHrtf->max_num_iterations = CRendBin_Combined_HRIR_max_num_iterations_48kHz;
     246         140 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_HRIR_index_frequency_max_diffuse_48kHz;
     247             :                 }
     248             : 
     249        1110 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     250             :                 {
     251         740 :                     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     252             :                     {
     253         460 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_BRIR_num_iterations_diffuse_48kHz[j];
     254         460 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_BRIR_pIndex_frequency_max_diffuse_48kHz[j];
     255         460 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_BRIR_coeff_diffuse_re_48kHz[j];
     256         460 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_BRIR_coeff_diffuse_im_48kHz[j];
     257             :                     }
     258             :                     else
     259             :                     {
     260         280 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_HRIR_num_iterations_diffuse_48kHz[j];
     261         280 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     262         280 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_HRIR_coeff_diffuse_re_48kHz[j];
     263         280 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_HRIR_coeff_diffuse_im_48kHz[j];
     264             :                     }
     265             :                 }
     266             :             }
     267         140 :             else if ( output_Fs == 32000 )
     268             :             {
     269          75 :                 if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     270             :                 {
     271          75 :                     hHrtf->latency_s = CRendBin_Combined_BRIR_latency_s;
     272          75 :                     hHrtf->max_num_iterations = CRendBin_Combined_BRIR_max_num_iterations_32kHz;
     273          75 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_BRIR_index_frequency_max_diffuse_32kHz;
     274             :                 }
     275             :                 else
     276             :                 {
     277           0 :                     hHrtf->latency_s = CRendBin_Combined_HRIR_latency_s;
     278           0 :                     hHrtf->max_num_iterations = CRendBin_Combined_HRIR_max_num_iterations_32kHz;
     279           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_HRIR_index_frequency_max_diffuse_32kHz;
     280             :                 }
     281             : 
     282         225 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     283             :                 {
     284         150 :                     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     285             :                     {
     286         150 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_BRIR_num_iterations_diffuse_32kHz[j];
     287         150 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_BRIR_pIndex_frequency_max_diffuse_32kHz[j];
     288         150 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_BRIR_coeff_diffuse_re_32kHz[j];
     289         150 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_BRIR_coeff_diffuse_im_32kHz[j];
     290             :                     }
     291             :                     else
     292             :                     {
     293           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_HRIR_num_iterations_diffuse_32kHz[j];
     294           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_HRIR_pIndex_frequency_max_diffuse_32kHz[j];
     295           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_HRIR_coeff_diffuse_re_32kHz[j];
     296           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_HRIR_coeff_diffuse_im_32kHz[j];
     297             :                     }
     298             :                 }
     299             :             }
     300          65 :             else if ( output_Fs == 16000 )
     301             :             {
     302          65 :                 if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     303             :                 {
     304           4 :                     hHrtf->latency_s = CRendBin_Combined_BRIR_latency_s;
     305             : 
     306           4 :                     hHrtf->max_num_iterations = CRendBin_Combined_BRIR_max_num_iterations_16kHz;
     307           4 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_BRIR_index_frequency_max_diffuse_16kHz;
     308             :                 }
     309             :                 else
     310             :                 {
     311          61 :                     hHrtf->latency_s = CRendBin_Combined_HRIR_latency_s;
     312          61 :                     hHrtf->max_num_iterations = CRendBin_Combined_HRIR_max_num_iterations_16kHz;
     313          61 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_HRIR_index_frequency_max_diffuse_16kHz;
     314             :                 }
     315             : 
     316         195 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     317             :                 {
     318         130 :                     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     319             :                     {
     320           8 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_BRIR_num_iterations_diffuse_16kHz[j];
     321           8 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_BRIR_pIndex_frequency_max_diffuse_16kHz[j];
     322           8 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_BRIR_coeff_diffuse_re_16kHz[j];
     323           8 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_BRIR_coeff_diffuse_im_16kHz[j];
     324             :                     }
     325             :                     else
     326             :                     {
     327         122 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_HRIR_num_iterations_diffuse_16kHz[j];
     328         122 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_HRIR_pIndex_frequency_max_diffuse_16kHz[j];
     329         122 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_HRIR_coeff_diffuse_re_16kHz[j];
     330         122 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_HRIR_coeff_diffuse_im_16kHz[j];
     331             :                     }
     332             :                 }
     333             :             }
     334             :             else
     335             :             {
     336           0 :                 return IVAS_ERROR( IVAS_ERR_INVALID_SAMPLING_RATE, "Encountered Unsupported sampling rate in Crend" );
     337             :             }
     338             : 
     339        4660 :             for ( i = 0; i < hHrtf->max_num_ir; i++ )
     340             :             {
     341        4150 :                 if ( inConfig == IVAS_AUDIO_CONFIG_5_1 )
     342             :                 {
     343        1110 :                     tmp = channelIndex_CICP6[i];
     344             :                 }
     345        3040 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_7_1 )
     346             :                 {
     347          63 :                     tmp = channelIndex_CICP12[i];
     348             :                 }
     349        2977 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_2 )
     350             :                 {
     351         112 :                     tmp = channelIndex_CICP14[i];
     352             :                 }
     353        2865 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_4 )
     354             :                 {
     355         126 :                     tmp = channelIndex_CICP16[i];
     356             :                 }
     357        2739 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_7_1_4 )
     358             :                 {
     359        2739 :                     tmp = channelIndex_CICP19[i];
     360             :                 }
     361             :                 else
     362             :                 {
     363           0 :                     return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Error: Channel configuration not specified!\n\n" );
     364             :                 }
     365             : 
     366        4150 :                 if ( output_Fs == 48000 )
     367             :                 {
     368        8976 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     369             :                     {
     370        5984 :                         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     371             :                         {
     372        4152 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_BRIR_inv_diffuse_weight_48kHz[j][tmp];
     373        4152 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_BRIR_num_iterations_48kHz[tmp][j];
     374        4152 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_BRIR_pIndex_frequency_max_48kHz[tmp][j];
     375        4152 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_BRIR_coeff_re_48kHz[tmp][j];
     376        4152 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_BRIR_coeff_im_48kHz[tmp][j];
     377             :                         }
     378             :                         else
     379             :                         {
     380        1832 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_HRIR_inv_diffuse_weight_48kHz[j][tmp];
     381        1832 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_HRIR_num_iterations_48kHz[tmp][j];
     382        1832 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_HRIR_pIndex_frequency_max_48kHz[tmp][j];
     383        1832 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_HRIR_coeff_re_48kHz[tmp][j];
     384        1832 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_HRIR_coeff_im_48kHz[tmp][j];
     385             :                         }
     386             :                     }
     387             :                 }
     388        1158 :                 else if ( output_Fs == 32000 )
     389             :                 {
     390        2475 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     391             :                     {
     392        1650 :                         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     393             :                         {
     394        1650 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_BRIR_inv_diffuse_weight_32kHz[j][tmp];
     395        1650 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_BRIR_num_iterations_32kHz[tmp][j];
     396        1650 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_BRIR_pIndex_frequency_max_32kHz[tmp][j];
     397        1650 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_BRIR_coeff_re_32kHz[tmp][j];
     398        1650 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_BRIR_coeff_im_32kHz[tmp][j];
     399             :                         }
     400             :                         else
     401             :                         {
     402           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_HRIR_inv_diffuse_weight_32kHz[j][tmp];
     403           0 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_HRIR_num_iterations_32kHz[tmp][j];
     404           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_HRIR_pIndex_frequency_max_32kHz[tmp][j];
     405           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_HRIR_coeff_re_32kHz[tmp][j];
     406           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_HRIR_coeff_im_32kHz[tmp][j];
     407             :                         }
     408             :                     }
     409             :                 }
     410         333 :                 else if ( output_Fs == 16000 )
     411             :                 {
     412         999 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     413             :                     {
     414         666 :                         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     415             :                         {
     416          56 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_BRIR_inv_diffuse_weight_16kHz[j][tmp];
     417          56 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_BRIR_num_iterations_16kHz[tmp][j];
     418          56 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_BRIR_pIndex_frequency_max_16kHz[tmp][j];
     419          56 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_BRIR_coeff_re_16kHz[tmp][j];
     420          56 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_BRIR_coeff_im_16kHz[tmp][j];
     421             :                         }
     422             :                         else
     423             :                         {
     424         610 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_HRIR_inv_diffuse_weight_16kHz[j][tmp];
     425         610 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_HRIR_num_iterations_16kHz[tmp][j];
     426         610 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_HRIR_pIndex_frequency_max_16kHz[tmp][j];
     427         610 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_HRIR_coeff_re_16kHz[tmp][j];
     428         610 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_HRIR_coeff_im_16kHz[tmp][j];
     429             :                         }
     430             :                     }
     431             :                 }
     432             :                 else
     433             :                 {
     434           0 :                     return IVAS_ERROR( IVAS_ERR_INVALID_SAMPLING_RATE, "Encountered Unsupported sampling rate in Crend" );
     435             :                 }
     436             :             }
     437             :         }
     438          65 :         else if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_AMBISONICS )
     439             :         {
     440          65 :             if ( inConfig == IVAS_AUDIO_CONFIG_HOA3 )
     441             :             {
     442          49 :                 if ( output_Fs == 48000 )
     443             :                 {
     444          49 :                     hHrtf->latency_s = CRendBin_HOA3_HRIR_latency_s;
     445          49 :                     hHrtf->max_num_iterations = CRendBin_HOA3_HRIR_max_num_iterations_48kHz;
     446          49 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA3_HRIR_index_frequency_max_diffuse_48kHz;
     447             : 
     448         833 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     449             :                     {
     450        2352 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     451             :                         {
     452        1568 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA3_HRIR_inv_diffuse_weight_48kHz[j][i];
     453        1568 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA3_HRIR_num_iterations_48kHz[i][j];
     454        1568 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_48kHz[i][j];
     455        1568 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA3_HRIR_coeff_re_48kHz[i][j];
     456        1568 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA3_HRIR_coeff_im_48kHz[i][j];
     457             :                         }
     458             :                     }
     459         147 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     460             :                     {
     461          98 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA3_HRIR_num_iterations_diffuse_48kHz[j];
     462          98 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     463          98 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA3_HRIR_coeff_diffuse_re_48kHz[j];
     464          98 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_HOA3_HRIR_coeff_diffuse_im_48kHz[j];
     465             :                     }
     466             :                 }
     467           0 :                 else if ( output_Fs == 32000 )
     468             :                 {
     469           0 :                     hHrtf->latency_s = CRendBin_HOA3_HRIR_latency_s;
     470           0 :                     hHrtf->max_num_iterations = CRendBin_HOA3_HRIR_max_num_iterations_32kHz;
     471           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA3_HRIR_index_frequency_max_diffuse_32kHz;
     472             : 
     473           0 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     474             :                     {
     475           0 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     476             :                         {
     477           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA3_HRIR_inv_diffuse_weight_32kHz[j][i];
     478           0 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA3_HRIR_num_iterations_32kHz[i][j];
     479           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_32kHz[i][j];
     480           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA3_HRIR_coeff_re_32kHz[i][j];
     481           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA3_HRIR_coeff_im_32kHz[i][j];
     482             :                         }
     483             :                     }
     484             : 
     485           0 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     486             :                     {
     487           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA3_HRIR_num_iterations_diffuse_32kHz[j];
     488           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_diffuse_32kHz[j];
     489           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA3_HRIR_coeff_diffuse_re_32kHz[j];
     490           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_HOA3_HRIR_coeff_diffuse_im_32kHz[j];
     491             :                     }
     492             :                 }
     493           0 :                 else if ( output_Fs == 16000 )
     494             :                 {
     495           0 :                     hHrtf->latency_s = CRendBin_HOA3_HRIR_latency_s;
     496           0 :                     hHrtf->max_num_iterations = CRendBin_HOA3_HRIR_max_num_iterations_16kHz;
     497           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA3_HRIR_index_frequency_max_diffuse_16kHz;
     498             : 
     499           0 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     500             :                     {
     501           0 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     502             :                         {
     503           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA3_HRIR_inv_diffuse_weight_16kHz[j][i];
     504           0 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA3_HRIR_num_iterations_16kHz[i][j];
     505           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_16kHz[i][j];
     506           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA3_HRIR_coeff_re_16kHz[i][j];
     507           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA3_HRIR_coeff_im_16kHz[i][j];
     508             :                         }
     509             :                     }
     510             : 
     511           0 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     512             :                     {
     513           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA3_HRIR_num_iterations_diffuse_16kHz[j];
     514           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_diffuse_16kHz[j];
     515           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA3_HRIR_coeff_diffuse_re_16kHz[j];
     516           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_HOA3_HRIR_coeff_diffuse_im_16kHz[j];
     517             :                     }
     518             :                 }
     519             :                 else
     520             :                 {
     521           0 :                     return IVAS_ERROR( IVAS_ERR_INVALID_SAMPLING_RATE, "Encountered Unsupported sampling rate in Crend" );
     522             :                 }
     523             :             }
     524          16 :             else if ( inConfig == IVAS_AUDIO_CONFIG_HOA2 )
     525             :             {
     526           8 :                 if ( output_Fs == 48000 )
     527             :                 {
     528           8 :                     hHrtf->latency_s = CRendBin_HOA2_HRIR_latency_s;
     529           8 :                     hHrtf->max_num_iterations = CRendBin_HOA2_HRIR_max_num_iterations_48kHz;
     530           8 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA2_HRIR_index_frequency_max_diffuse_48kHz;
     531             : 
     532          80 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     533             :                     {
     534         216 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     535             :                         {
     536         144 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA2_HRIR_inv_diffuse_weight_48kHz[j][i];
     537         144 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA2_HRIR_num_iterations_48kHz[i][j];
     538         144 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_48kHz[i][j];
     539         144 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA2_HRIR_coeff_re_48kHz[i][j];
     540         144 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA2_HRIR_coeff_im_48kHz[i][j];
     541             :                         }
     542             :                     }
     543          24 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     544             :                     {
     545          16 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA2_HRIR_num_iterations_diffuse_48kHz[j];
     546          16 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     547          16 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA2_HRIR_coeff_diffuse_re_48kHz[j];
     548          16 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_HOA2_HRIR_coeff_diffuse_im_48kHz[j];
     549             :                     }
     550             :                 }
     551           0 :                 else if ( output_Fs == 32000 )
     552             :                 {
     553           0 :                     hHrtf->latency_s = CRendBin_HOA2_HRIR_latency_s;
     554           0 :                     hHrtf->max_num_iterations = CRendBin_HOA2_HRIR_max_num_iterations_32kHz;
     555           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA2_HRIR_index_frequency_max_diffuse_32kHz;
     556             : 
     557           0 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     558             :                     {
     559           0 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     560             :                         {
     561           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA2_HRIR_inv_diffuse_weight_32kHz[j][i];
     562           0 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA2_HRIR_num_iterations_32kHz[i][j];
     563           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_32kHz[i][j];
     564           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA2_HRIR_coeff_re_32kHz[i][j];
     565           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA2_HRIR_coeff_im_32kHz[i][j];
     566             :                         }
     567             :                     }
     568             : 
     569           0 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     570             :                     {
     571           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA2_HRIR_num_iterations_diffuse_32kHz[j];
     572           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_diffuse_32kHz[j];
     573           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA2_HRIR_coeff_diffuse_re_32kHz[j];
     574           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_HOA2_HRIR_coeff_diffuse_im_32kHz[j];
     575             :                     }
     576             :                 }
     577           0 :                 else if ( output_Fs == 16000 )
     578             :                 {
     579           0 :                     hHrtf->latency_s = CRendBin_HOA2_HRIR_latency_s;
     580           0 :                     hHrtf->max_num_iterations = CRendBin_HOA2_HRIR_max_num_iterations_16kHz;
     581           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA2_HRIR_index_frequency_max_diffuse_16kHz;
     582             : 
     583           0 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     584             :                     {
     585           0 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     586             :                         {
     587           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA2_HRIR_inv_diffuse_weight_16kHz[j][i];
     588           0 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA2_HRIR_num_iterations_16kHz[i][j];
     589           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_16kHz[i][j];
     590           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA2_HRIR_coeff_re_16kHz[i][j];
     591           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA2_HRIR_coeff_im_16kHz[i][j];
     592             :                         }
     593             :                     }
     594             : 
     595           0 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     596             :                     {
     597           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA2_HRIR_num_iterations_diffuse_16kHz[j];
     598           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_diffuse_16kHz[j];
     599           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA2_HRIR_coeff_diffuse_re_16kHz[j];
     600           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_HOA2_HRIR_coeff_diffuse_im_16kHz[j];
     601             :                     }
     602             :                 }
     603             :                 else
     604             :                 {
     605           0 :                     return IVAS_ERROR( IVAS_ERR_INVALID_SAMPLING_RATE, "Encountered Unsupported sampling rate in Crend" );
     606             :                 }
     607             :             }
     608           8 :             else if ( inConfig == IVAS_AUDIO_CONFIG_FOA )
     609             :             {
     610           8 :                 if ( output_Fs == 48000 )
     611             :                 {
     612           8 :                     hHrtf->latency_s = CRendBin_FOA_HRIR_latency_s;
     613           8 :                     hHrtf->max_num_iterations = CRendBin_FOA_HRIR_max_num_iterations_48kHz;
     614           8 :                     hHrtf->index_frequency_max_diffuse = CRendBin_FOA_HRIR_index_frequency_max_diffuse_48kHz;
     615             : 
     616          40 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     617             :                     {
     618          96 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     619             :                         {
     620          64 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_FOA_HRIR_inv_diffuse_weight_48kHz[j][i];
     621          64 :                             hHrtf->num_iterations[i][j] = CRendBin_FOA_HRIR_num_iterations_48kHz[i][j];
     622          64 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_FOA_HRIR_pIndex_frequency_max_48kHz[i][j];
     623          64 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_FOA_HRIR_coeff_re_48kHz[i][j];
     624          64 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_FOA_HRIR_coeff_im_48kHz[i][j];
     625             :                         }
     626             :                     }
     627          24 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     628             :                     {
     629          16 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_FOA_HRIR_num_iterations_diffuse_48kHz[j];
     630          16 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_FOA_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     631          16 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_FOA_HRIR_coeff_diffuse_re_48kHz[j];
     632          16 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_FOA_HRIR_coeff_diffuse_im_48kHz[j];
     633             :                     }
     634             :                 }
     635           0 :                 else if ( output_Fs == 32000 )
     636             :                 {
     637           0 :                     hHrtf->latency_s = CRendBin_FOA_HRIR_latency_s;
     638           0 :                     hHrtf->max_num_iterations = CRendBin_FOA_HRIR_max_num_iterations_32kHz;
     639           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_FOA_HRIR_index_frequency_max_diffuse_32kHz;
     640             : 
     641           0 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     642             :                     {
     643           0 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     644             :                         {
     645           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_FOA_HRIR_inv_diffuse_weight_32kHz[j][i];
     646           0 :                             hHrtf->num_iterations[i][j] = CRendBin_FOA_HRIR_num_iterations_32kHz[i][j];
     647           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_FOA_HRIR_pIndex_frequency_max_32kHz[i][j];
     648           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_FOA_HRIR_coeff_re_32kHz[i][j];
     649           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_FOA_HRIR_coeff_im_32kHz[i][j];
     650             :                         }
     651             :                     }
     652             : 
     653           0 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     654             :                     {
     655           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_FOA_HRIR_num_iterations_diffuse_32kHz[j];
     656           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_FOA_HRIR_pIndex_frequency_max_diffuse_32kHz[j];
     657           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_FOA_HRIR_coeff_diffuse_re_32kHz[j];
     658           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_FOA_HRIR_coeff_diffuse_im_32kHz[j];
     659             :                     }
     660             :                 }
     661           0 :                 else if ( output_Fs == 16000 )
     662             :                 {
     663           0 :                     hHrtf->latency_s = CRendBin_FOA_HRIR_latency_s;
     664           0 :                     hHrtf->max_num_iterations = CRendBin_FOA_HRIR_max_num_iterations_16kHz;
     665           0 :                     hHrtf->index_frequency_max_diffuse = CRendBin_FOA_HRIR_index_frequency_max_diffuse_16kHz;
     666             : 
     667           0 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     668             :                     {
     669           0 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     670             :                         {
     671           0 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_FOA_HRIR_inv_diffuse_weight_16kHz[j][i];
     672           0 :                             hHrtf->num_iterations[i][j] = CRendBin_FOA_HRIR_num_iterations_16kHz[i][j];
     673           0 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_FOA_HRIR_pIndex_frequency_max_16kHz[i][j];
     674           0 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_FOA_HRIR_coeff_re_16kHz[i][j];
     675           0 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_FOA_HRIR_coeff_im_16kHz[i][j];
     676             :                         }
     677             :                     }
     678             : 
     679           0 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     680             :                     {
     681           0 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_FOA_HRIR_num_iterations_diffuse_16kHz[j];
     682           0 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_FOA_HRIR_pIndex_frequency_max_diffuse_16kHz[j];
     683           0 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_FOA_HRIR_coeff_diffuse_re_16kHz[j];
     684           0 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_FOA_HRIR_coeff_diffuse_im_16kHz[j];
     685             :                     }
     686             :                 }
     687             :                 else
     688             :                 {
     689           0 :                     return IVAS_ERROR( IVAS_ERR_INVALID_SAMPLING_RATE, "Encountered Unsupported sampling rate in Crend" );
     690             :                 }
     691             :             }
     692             :             else
     693             :             {
     694           0 :                 return IVAS_ERROR( IVAS_ERR_INVALID_INPUT_FORMAT, "Encountered unsupported input config in Crend" );
     695             :             }
     696             :         }
     697             :         else
     698             :         {
     699           0 :             return IVAS_ERROR( IVAS_ERR_INTERNAL, "Unsupported renderer type in Crend" );
     700             :         }
     701             :     }
     702             :     else
     703             :     {
     704          28 :         if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED )
     705             :         {
     706          28 :             hHrtf->max_num_ir -= 1; /* subtract LFE */
     707          28 :             hHrtf->gain_lfe = GAIN_LFE;
     708             :         }
     709             : 
     710          28 :         if ( ext_rend_flag == 1 )
     711             :         {
     712           0 :             if ( hHrtfCrend == NULL )
     713             :             {
     714           0 :                 return IVAS_ERROR( IVAS_ERR_UNEXPECTED_NULL_POINTER, "Invalid function parameters " );
     715             :             }
     716           0 :             hHrtf->latency_s = hHrtfCrend->latency_s;
     717           0 :             hHrtf->max_num_iterations = hHrtfCrend->max_num_iterations;
     718           0 :             hHrtf->index_frequency_max_diffuse = hHrtfCrend->index_frequency_max_diffuse;
     719             : 
     720           0 :             for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     721             :             {
     722           0 :                 hHrtf->num_iterations_diffuse[j] = hHrtfCrend->num_iterations_diffuse[j];
     723           0 :                 hHrtf->pIndex_frequency_max_diffuse[j] = hHrtfCrend->pIndex_frequency_max_diffuse[j];
     724           0 :                 hHrtf->pOut_to_bin_diffuse_re[j] = hHrtfCrend->pOut_to_bin_diffuse_re[j];
     725           0 :                 hHrtf->pOut_to_bin_diffuse_im[j] = hHrtfCrend->pOut_to_bin_diffuse_im[j];
     726             :             }
     727             :         }
     728             : 
     729          28 :         if ( inConfig == IVAS_AUDIO_CONFIG_7_1 && ext_rend_flag == 0 )
     730             :         {
     731             :             /* hack to enable pointers swapping - needed when indexes of 'channelIndex_CICPx[]' are not in increasing order */
     732           0 :             for ( i = 5; i < hHrtf->max_num_ir; i++ )
     733             :             {
     734           0 :                 tmp = channelIndex_CICP12[i];
     735           0 :                 tmp2 = channelIndex_CICP14[i];
     736             : 
     737           0 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     738             :                 {
     739           0 :                     hHrtf->inv_diffuse_weight[j][tmp2] = hHrtfCrend->inv_diffuse_weight[j][tmp];
     740           0 :                     hHrtf->num_iterations[tmp2][j] = hHrtfCrend->num_iterations[tmp][j];
     741           0 :                     hHrtf->pIndex_frequency_max[tmp2][j] = hHrtfCrend->pIndex_frequency_max[tmp][j];
     742           0 :                     hHrtf->pOut_to_bin_re[tmp2][j] = hHrtfCrend->pOut_to_bin_re[tmp][j];
     743           0 :                     hHrtf->pOut_to_bin_im[tmp2][j] = hHrtfCrend->pOut_to_bin_im[tmp][j];
     744             :                 }
     745             :             }
     746             :         }
     747             : 
     748         332 :         for ( i = 0; i < hHrtf->max_num_ir; i++ )
     749             :         {
     750         304 :             if ( inConfig == IVAS_AUDIO_CONFIG_5_1 )
     751             :             {
     752           0 :                 tmp = channelIndex_CICP6[i];
     753             :             }
     754         304 :             else if ( inConfig == IVAS_AUDIO_CONFIG_7_1 )
     755             :             {
     756           0 :                 if ( ext_rend_flag == 0 )
     757             :                 {
     758           0 :                     tmp = channelIndex_CICP14[i];
     759             :                 }
     760             :                 else
     761             :                 {
     762           0 :                     tmp = channelIndex_CICP12[i];
     763             :                 }
     764             :             }
     765         304 :             else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_2 )
     766             :             {
     767           0 :                 tmp = channelIndex_CICP14[i];
     768             :             }
     769         304 :             else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_4 )
     770             :             {
     771          18 :                 tmp = channelIndex_CICP16[i];
     772             :             }
     773         286 :             else if ( inConfig == IVAS_AUDIO_CONFIG_7_1_4 )
     774             :             {
     775         286 :                 tmp = channelIndex_CICP19[i];
     776             :             }
     777           0 :             else if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_AMBISONICS )
     778             :             {
     779           0 :                 tmp = i;
     780             :             }
     781             :             else
     782             :             {
     783           0 :                 return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Error: Channel configuration not specified!\n\n" );
     784             :             }
     785             : 
     786         912 :             for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     787             :             {
     788         608 :                 hHrtf->inv_diffuse_weight[j][i] = hHrtfCrend->inv_diffuse_weight[j][tmp];
     789         608 :                 hHrtf->num_iterations[i][j] = hHrtfCrend->num_iterations[tmp][j];
     790             : 
     791         608 :                 if ( ext_rend_flag == 0 )
     792             :                 {
     793             :                     /* in case of HRTF handle reuse, swap the pointers for correct deallocation at the exit */
     794             : #define WMC_TOOL_SKIP
     795         608 :                     swap( hHrtf->pIndex_frequency_max[i][j], hHrtf->pIndex_frequency_max[tmp][j], const uint16_t * );
     796             :                     MOVE( 3 );
     797         608 :                     swap( hHrtf->pOut_to_bin_re[i][j], hHrtf->pOut_to_bin_re[tmp][j], const float * );
     798             :                     MOVE( 3 );
     799         608 :                     swap( hHrtf->pOut_to_bin_im[i][j], hHrtf->pOut_to_bin_im[tmp][j], const float * );
     800             :                     MOVE( 3 );
     801             : #undef WMC_TOOL_SKIP
     802             :                 }
     803             :                 else
     804             :                 {
     805           0 :                     hHrtf->pIndex_frequency_max[i][j] = hHrtfCrend->pIndex_frequency_max[tmp][j];
     806           0 :                     hHrtf->pOut_to_bin_re[i][j] = hHrtfCrend->pOut_to_bin_re[tmp][j];
     807           0 :                     hHrtf->pOut_to_bin_im[i][j] = hHrtfCrend->pOut_to_bin_im[tmp][j];
     808             :                 }
     809             :             }
     810             :         }
     811             :     }
     812             : 
     813         603 :     hHrtf->same_inv_diffuse_weight = 1;
     814        5945 :     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     815             :     {
     816        5342 :         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     817             :         {
     818        3147 :             if ( hHrtf->inv_diffuse_weight[0][i] != hHrtf->inv_diffuse_weight[1][i] )
     819             :             {
     820           0 :                 hHrtf->same_inv_diffuse_weight = 0;
     821             :             }
     822             :         }
     823             :     }
     824             : 
     825         603 :     pCrend->hHrtfCrend = hHrtf;
     826             : 
     827         603 :     return IVAS_ERR_OK;
     828             : }
     829             : 
     830             : 
     831             : /*-------------------------------------------------------------------------
     832             :  * ivas_shoebox_data_init()
     833             :  *
     834             :  * Initialize shoebox_data_t handle
     835             :  *------------------------------------------------------------------------*/
     836             : 
     837          16 : static ivas_error ivas_shoebox_data_init(
     838             :     shoebox_data_t *hShoeboxData /* i/o: shoebox_data_t handle     */
     839             : )
     840             : {
     841             :     int16_t i;
     842             : 
     843          16 :     if ( hShoeboxData == NULL )
     844             :     {
     845           0 :         return IVAS_ERR_WRONG_PARAMS;
     846             :     }
     847             : 
     848        2416 :     for ( i = 0; i < 150; i++ )
     849             :     {
     850        2400 :         hShoeboxData->data[i] = 0.0f;
     851             :     }
     852          32 :     for ( i = 0; i < 1; i++ )
     853             :     {
     854          16 :         hShoeboxData->size[i] = 0;
     855             :     }
     856             : 
     857          16 :     return IVAS_ERR_OK;
     858             : }
     859             : 
     860             : 
     861             : /*-------------------------------------------------------------------------
     862             :  * ivas_shoebox_output_init()
     863             :  *
     864             :  * Initialize shoebox_output_t handle
     865             :  *------------------------------------------------------------------------*/
     866             : 
     867           4 : static ivas_error ivas_shoebox_output_init(
     868             :     shoebox_output_t *hShoeboxOutput /* i/o: shoebox_output_t handle     */
     869             : )
     870             : {
     871             :     ivas_error error;
     872             : 
     873           4 :     if ( hShoeboxOutput == NULL )
     874             :     {
     875           0 :         return IVAS_ERR_WRONG_PARAMS;
     876             :     }
     877             : 
     878           4 :     hShoeboxOutput->n_sources = 0;
     879           4 :     hShoeboxOutput->n_ref = 0;
     880             : 
     881           4 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->times ) ) != IVAS_ERR_OK )
     882             :     {
     883           0 :         return error;
     884             :     }
     885             : 
     886           4 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->gains ) ) != IVAS_ERR_OK )
     887             :     {
     888           0 :         return error;
     889             :     }
     890             : 
     891           4 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->az_angle ) ) != IVAS_ERR_OK )
     892             :     {
     893           0 :         return error;
     894             :     }
     895             : 
     896           4 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->el_angle ) ) != IVAS_ERR_OK )
     897             :     {
     898           0 :         return error;
     899             :     }
     900             : 
     901           4 :     return IVAS_ERR_OK;
     902             : }
     903             : 
     904             : 
     905             : /*-------------------------------------------------------------------------
     906             :  * ivas_shoebox_config_init()
     907             :  *
     908             :  * Initialize shoebox_config_t handle
     909             :  *------------------------------------------------------------------------*/
     910             : 
     911           4 : static ivas_error ivas_shoebox_config_init_params(
     912             :     shoebox_config_t *hShoeboxConfig /* i/o: shoebox_config_t handle     */
     913             : )
     914             : {
     915             :     int16_t i;
     916             : 
     917           4 :     if ( hShoeboxConfig == NULL )
     918             :     {
     919           0 :         return IVAS_ERR_WRONG_PARAMS;
     920             :     }
     921             : 
     922           4 :     hShoeboxConfig->room_L = 0.0f;
     923           4 :     hShoeboxConfig->room_W = 0.0f;
     924           4 :     hShoeboxConfig->room_H = 0.0f;
     925             : 
     926          28 :     for ( i = 0; i < IVAS_ROOM_ABS_COEFF; i++ )
     927             :     {
     928          24 :         hShoeboxConfig->abs_coeff[i] = 0.0f;
     929             :     }
     930          16 :     for ( i = 0; i < 3; i++ )
     931             :     {
     932          12 :         hShoeboxConfig->list_orig[i] = 0.0f;
     933             :     }
     934             : 
     935           4 :     return IVAS_ERR_OK;
     936             : }
     937             : 
     938             : 
     939             : /*-------------------------------------------------------------------------
     940             :  * ivas_shoebox_obj_init()
     941             :  *
     942             :  * Initialize shoebox_obj_t handle
     943             :  *------------------------------------------------------------------------*/
     944             : 
     945           4 : static ivas_error ivas_shoebox_obj_init(
     946             :     shoebox_obj_t *hShoeboxObj /* i/o: shoebox_obj_t handle     */
     947             : )
     948             : {
     949             :     int16_t i;
     950             :     ivas_error error;
     951             : 
     952           4 :     if ( hShoeboxObj == NULL )
     953             :     {
     954           0 :         return IVAS_ERR_WRONG_PARAMS;
     955             :     }
     956             : 
     957           4 :     hShoeboxObj->isCartesian = 0;
     958           4 :     hShoeboxObj->isRelative = 0;
     959           4 :     hShoeboxObj->isZHeight = 0;
     960           4 :     hShoeboxObj->isRadians = 0;
     961           4 :     hShoeboxObj->MAX_SOURCES = 0;
     962           4 :     hShoeboxObj->max_bands = 0;
     963           4 :     hShoeboxObj->REF_ORDER = 0;
     964             : 
     965         304 :     for ( i = 0; i < 75; i++ )
     966             :     {
     967         300 :         hShoeboxObj->src_pos[i] = 0.0f;
     968             :     }
     969         104 :     for ( i = 0; i < 25; i++ )
     970             :     {
     971         100 :         hShoeboxObj->src_dist[i] = 0.0f;
     972             :     }
     973          16 :     for ( i = 0; i < 3; i++ )
     974             :     {
     975          12 :         hShoeboxObj->list_pos[i] = 0.0f;
     976             :     }
     977             : 
     978           4 :     hShoeboxObj->nSrc = 0;
     979           4 :     hShoeboxObj->radius = 0.0f;
     980           4 :     hShoeboxObj->min_wall_dist = 0.0f;
     981           4 :     hShoeboxObj->soundspeed = 0.0f;
     982           4 :     hShoeboxObj->air_coeff = 0.0f;
     983             : 
     984           4 :     if ( ( error = ivas_shoebox_config_init_params( &hShoeboxObj->cal ) ) != IVAS_ERR_OK )
     985             :     {
     986           0 :         return error;
     987             :     }
     988             : 
     989           4 :     return IVAS_ERR_OK;
     990             : }
     991             : 
     992             : 
     993             : /*-------------------------------------------------------------------------
     994             :  * ivas_er_init_handle()
     995             :  *
     996             :  * Initialize early reflections handle
     997             :  *------------------------------------------------------------------------*/
     998             : 
     999           4 : static ivas_error ivas_er_init_handle(
    1000             :     er_struct_t *reflections /* i/o: early reflections handle     */
    1001             : )
    1002             : {
    1003             :     int16_t i;
    1004             :     ivas_error error;
    1005             : 
    1006           4 :     if ( reflections == NULL )
    1007             :     {
    1008           0 :         return IVAS_ERR_WRONG_PARAMS;
    1009             :     }
    1010             : 
    1011           4 :     reflections->audio_config = IVAS_AUDIO_CONFIG_INVALID;
    1012           4 :     reflections->use_er = 0;
    1013           4 :     reflections->is_ready = 0;
    1014           4 :     reflections->circ_len = 0;
    1015           4 :     reflections->circ_insert = 0;
    1016           4 :     reflections->n_total_reflections = 0;
    1017           4 :     reflections->is_cartesian = 0;
    1018           4 :     reflections->is_relative = 0;
    1019           4 :     reflections->max_frame_size = 0;
    1020           4 :     reflections->output_Fs = 0.0f;
    1021             : 
    1022         304 :     for ( i = 0; i < 75; i++ )
    1023             :     {
    1024         300 :         reflections->source_positions[i] = 0.0f;
    1025             :     }
    1026          16 :     for ( i = 0; i < 3; i++ )
    1027             :     {
    1028          12 :         reflections->user_origin[i] = 0.0f;
    1029          12 :         if ( i == 2 )
    1030             :         {
    1031           4 :             reflections->user_origin[i] = ER_LIST_HEIGHT;
    1032             :         }
    1033             :     }
    1034             : 
    1035           4 :     reflections->circ_buffers = NULL;
    1036           4 :     reflections->closest_ch_idx = NULL;
    1037             : 
    1038           4 :     if ( ( error = ivas_shoebox_output_init( &reflections->shoebox_data ) ) != IVAS_ERR_OK )
    1039             :     {
    1040           0 :         return error;
    1041             :     }
    1042             : 
    1043           4 :     if ( ( error = ivas_shoebox_obj_init( &reflections->shoebox_lib ) ) != IVAS_ERR_OK )
    1044             :     {
    1045           0 :         return error;
    1046             :     }
    1047             : 
    1048           4 :     return IVAS_ERR_OK;
    1049             : }
    1050             : 
    1051             : 
    1052             : /*-------------------------------------------------------------------------
    1053             :  * ivas_rend_initCrendWrapper()
    1054             :  *
    1055             :  * Allocate and initialize crend renderer handle
    1056             :  *------------------------------------------------------------------------*/
    1057             : 
    1058         603 : ivas_error ivas_rend_initCrendWrapper(
    1059             :     CREND_WRAPPER_HANDLE *pCrend,
    1060             :     const int16_t num_poses )
    1061             : {
    1062             :     int16_t i;
    1063             :     CREND_HANDLE hCrend;
    1064             :     int16_t pos_idx;
    1065             : 
    1066         603 :     if ( pCrend == NULL )
    1067             :     {
    1068           0 :         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for renderer handle" );
    1069             :     }
    1070             : 
    1071         603 :     if ( ( *pCrend = (CREND_WRAPPER_HANDLE) malloc( sizeof( CREND_WRAPPER ) ) ) == NULL )
    1072             :     {
    1073           0 :         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend Wrapper\n" );
    1074             :     }
    1075             : 
    1076         603 :     ( *pCrend )->binaural_latency_ns = 0;
    1077         603 :     ( *pCrend )->hHrtfCrend = NULL;
    1078             : 
    1079        5427 :     for ( pos_idx = 0; pos_idx < MAX_HEAD_ROT_POSES; pos_idx++ )
    1080             :     {
    1081        4824 :         ( *pCrend )->hCrend[pos_idx] = NULL;
    1082             :     }
    1083             : 
    1084        1322 :     for ( pos_idx = 0; pos_idx < num_poses; pos_idx++ )
    1085             :     {
    1086         719 :         hCrend = NULL;
    1087         719 :         if ( ( hCrend = (CREND_HANDLE) malloc( sizeof( CREND_DATA ) ) ) == NULL )
    1088             :         {
    1089           0 :             return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for renderer handle" );
    1090             :         }
    1091             : 
    1092         719 :         hCrend->lfe_delay_line = NULL;
    1093             : 
    1094       12223 :         for ( i = 0; i < MAX_INTERN_CHANNELS; i++ )
    1095             :         {
    1096       11504 :             hCrend->freq_buffer_re[i] = NULL;
    1097       11504 :             hCrend->freq_buffer_im[i] = NULL;
    1098             :         }
    1099             : 
    1100        2157 :         for ( i = 0; i < BINAURAL_CHANNELS; i++ )
    1101             :         {
    1102        1438 :             hCrend->prev_out_buffer[i] = NULL;
    1103             :         }
    1104             : 
    1105         719 :         hCrend->freq_buffer_re_diffuse[0] = NULL;
    1106         719 :         hCrend->freq_buffer_re_diffuse[1] = NULL;
    1107         719 :         hCrend->freq_buffer_im_diffuse[0] = NULL;
    1108         719 :         hCrend->freq_buffer_im_diffuse[1] = NULL;
    1109         719 :         hCrend->hReverb = NULL;
    1110         719 :         hCrend->reflections = NULL;
    1111         719 :         hCrend->delay_line_rw_index = 0;
    1112         719 :         hCrend->diffuse_delay_line_rw_index = 0;
    1113         719 :         hCrend->hTrack = NULL;
    1114         719 :         hCrend->m_fYaw = 0;
    1115         719 :         hCrend->m_fPitch = 0;
    1116         719 :         hCrend->m_fRoll = 0;
    1117             : 
    1118         719 :         ( *pCrend )->hCrend[pos_idx] = hCrend;
    1119             :     }
    1120             : 
    1121         603 :     return IVAS_ERR_OK;
    1122             : }
    1123             : 
    1124             : 
    1125             : /*-------------------------------------------------------------------------
    1126             :  * ivas_rend_openMultiBinCrend()
    1127             :  *
    1128             :  * Allocate and initialize crend renderer handle
    1129             :  *------------------------------------------------------------------------*/
    1130             : 
    1131           0 : ivas_error ivas_rend_openMultiBinCrend(
    1132             :     CREND_WRAPPER_HANDLE *pCrend,
    1133             :     const AUDIO_CONFIG inConfig,
    1134             :     const AUDIO_CONFIG outConfig,
    1135             :     const MULTI_BIN_REND_POSE_DATA *pMultiBinPoseData,
    1136             :     const int32_t output_Fs )
    1137             : {
    1138           0 :     return ivas_rend_openCrend( pCrend, inConfig, outConfig, NULL /*hRendCfg*/, NULL, NULL /* hHrtfStatistics */, output_Fs, 0, pMultiBinPoseData->num_poses );
    1139             : }
    1140             : 
    1141             : 
    1142             : /*-------------------------------------------------------------------------
    1143             :  * ivas_rend_openCrend()
    1144             :  *
    1145             :  * Allocate and initialize crend renderer handle
    1146             :  *------------------------------------------------------------------------*/
    1147             : 
    1148         603 : ivas_error ivas_rend_openCrend(
    1149             :     CREND_WRAPPER_HANDLE *pCrend,
    1150             :     const AUDIO_CONFIG inConfig,
    1151             :     const AUDIO_CONFIG outConfig,
    1152             :     RENDER_CONFIG_DATA *hRendCfg,
    1153             :     HRTFS_CREND_HANDLE hHrtfCrend,
    1154             :     HRTFS_STATISTICS_HANDLE hHrtfStatistics,
    1155             :     const int32_t output_Fs,
    1156             :     const int16_t ext_rend_flag,
    1157             :     const int16_t num_poses )
    1158             : {
    1159             :     int16_t i, subframe_length;
    1160             :     int32_t max_total_ir_len;
    1161             :     HRTFS_CREND_HANDLE hHrtf;
    1162             :     CREND_HANDLE hCrend;
    1163             :     ivas_error error;
    1164             :     int16_t pos_idx;
    1165             : 
    1166         603 :     if ( ( error = ivas_rend_initCrendWrapper( pCrend, num_poses ) ) != IVAS_ERR_OK )
    1167             :     {
    1168           0 :         return error;
    1169             :     }
    1170             : 
    1171         603 :     subframe_length = (int16_t) ( output_Fs / FRAMES_PER_SEC ) / MAX_PARAM_SPATIAL_SUBFRAMES;
    1172             : 
    1173         603 :     if ( ( *pCrend )->hHrtfCrend == NULL )
    1174             :     {
    1175         603 :         if ( ( error = ivas_rend_initCrend( *pCrend, inConfig, outConfig, hHrtfCrend, ext_rend_flag, output_Fs ) ) != IVAS_ERR_OK )
    1176             :         {
    1177           0 :             return error;
    1178             :         }
    1179             :     }
    1180             : 
    1181        1322 :     for ( pos_idx = 0; pos_idx < num_poses; pos_idx++ )
    1182             :     {
    1183         719 :         hCrend = ( *pCrend )->hCrend[pos_idx];
    1184         719 :         hHrtf = ( *pCrend )->hHrtfCrend;
    1185             : 
    1186         719 :         if ( hHrtf != NULL )
    1187             :         {
    1188         719 :             max_total_ir_len = hHrtf->max_num_iterations * subframe_length;
    1189             : 
    1190        7917 :             for ( i = 0; i < hHrtf->max_num_ir; i++ )
    1191             :             {
    1192        7198 :                 if ( ( hCrend->freq_buffer_re[i] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1193             :                 {
    1194           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1195             :                 }
    1196        7198 :                 set_zero_l( hCrend->freq_buffer_re[i], max_total_ir_len );
    1197             : 
    1198        7198 :                 if ( ( hCrend->freq_buffer_im[i] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1199             :                 {
    1200           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1201             :                 }
    1202        7198 :                 set_zero_l( hCrend->freq_buffer_im[i], max_total_ir_len );
    1203             :             }
    1204             : 
    1205        2157 :             for ( i = 0; i < BINAURAL_CHANNELS; i++ )
    1206             :             {
    1207        1438 :                 if ( ( hCrend->prev_out_buffer[i] = (float *) malloc( sizeof( float ) * subframe_length ) ) == NULL )
    1208             :                 {
    1209           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1210             :                 }
    1211        1438 :                 set_zero_l( hCrend->prev_out_buffer[i], subframe_length );
    1212             :             }
    1213             : 
    1214         719 :             max_total_ir_len = hHrtf->num_iterations_diffuse[0] * subframe_length;
    1215             : 
    1216         719 :             if ( max_total_ir_len > 0 )
    1217             :             {
    1218         329 :                 if ( ( hCrend->freq_buffer_re_diffuse[0] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1219             :                 {
    1220           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1221             :                 }
    1222         329 :                 if ( hHrtf->same_inv_diffuse_weight == 0 )
    1223             :                 {
    1224           0 :                     if ( ( hCrend->freq_buffer_re_diffuse[1] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1225             :                     {
    1226           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1227             :                     }
    1228             :                 }
    1229             :                 else
    1230             :                 {
    1231         329 :                     hCrend->freq_buffer_re_diffuse[1] = NULL;
    1232             :                 }
    1233         329 :                 set_zero_l( hCrend->freq_buffer_re_diffuse[0], max_total_ir_len );
    1234         329 :                 if ( hCrend->freq_buffer_re_diffuse[1] != NULL )
    1235             :                 {
    1236           0 :                     set_zero_l( hCrend->freq_buffer_re_diffuse[1], max_total_ir_len );
    1237             :                 }
    1238             : 
    1239         329 :                 if ( ( hCrend->freq_buffer_im_diffuse[0] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1240             :                 {
    1241           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1242             :                 }
    1243         329 :                 if ( hHrtf->same_inv_diffuse_weight == 0 )
    1244             :                 {
    1245           0 :                     if ( ( hCrend->freq_buffer_im_diffuse[1] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1246             :                     {
    1247           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1248             :                     }
    1249             :                 }
    1250             :                 else
    1251             :                 {
    1252         329 :                     hCrend->freq_buffer_im_diffuse[1] = NULL;
    1253             :                 }
    1254         329 :                 set_zero_l( hCrend->freq_buffer_im_diffuse[0], max_total_ir_len );
    1255         329 :                 if ( hCrend->freq_buffer_im_diffuse[1] != NULL )
    1256             :                 {
    1257           0 :                     set_zero_l( hCrend->freq_buffer_im_diffuse[1], max_total_ir_len );
    1258             :                 }
    1259             :             }
    1260             :             else
    1261             :             {
    1262         390 :                 hCrend->freq_buffer_re_diffuse[0] = NULL;
    1263         390 :                 hCrend->freq_buffer_im_diffuse[0] = NULL;
    1264         390 :                 hCrend->freq_buffer_re_diffuse[1] = NULL;
    1265         390 :                 hCrend->freq_buffer_im_diffuse[1] = NULL;
    1266             :             }
    1267             : 
    1268         719 :             max_total_ir_len = (int16_t) ( hHrtf->latency_s * output_Fs + 0.5f ) + subframe_length;
    1269         719 :             if ( max_total_ir_len > 0 )
    1270             :             {
    1271         719 :                 if ( ( hCrend->lfe_delay_line = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1272             :                 {
    1273           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1274             :                 }
    1275         719 :                 set_zero_l( hCrend->lfe_delay_line, max_total_ir_len );
    1276             :             }
    1277             :             else
    1278             :             {
    1279           0 :                 hCrend->lfe_delay_line = NULL;
    1280             :             }
    1281             : 
    1282         719 :             if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB )
    1283             :             {
    1284         111 :                 if ( ( error = ivas_reverb_open( &( hCrend->hReverb ), hHrtfStatistics, hRendCfg, output_Fs ) ) != IVAS_ERR_OK )
    1285             :                 {
    1286           0 :                     return error;
    1287             :                 }
    1288             : 
    1289         111 :                 if ( hRendCfg->roomAcoustics.use_er == 1 )
    1290             :                 {
    1291             : 
    1292             :                     /* Allocate memory for reflections */
    1293           4 :                     hCrend->reflections = (er_struct_t *) malloc( sizeof( er_struct_t ) );
    1294           4 :                     if ( !hCrend->reflections )
    1295             :                     {
    1296           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Early Reflections" );
    1297             :                     }
    1298           4 :                     if ( ( error = ivas_er_init_handle( hCrend->reflections ) ) != IVAS_ERR_OK )
    1299             :                     {
    1300           0 :                         return error;
    1301             :                     }
    1302             : 
    1303           4 :                     hCrend->reflections->use_er = hRendCfg->roomAcoustics.use_er;
    1304           4 :                     hCrend->reflections->lowComplexity = hRendCfg->roomAcoustics.lowComplexity;
    1305             : 
    1306             :                     /* Set sample rate and frame size */
    1307           4 :                     hCrend->reflections->output_Fs = (float) output_Fs;
    1308           4 :                     hCrend->reflections->max_frame_size = (int16_t) ( output_Fs / FRAMES_PER_SEC );
    1309             : 
    1310             :                     /* Init Shoebox */
    1311           4 :                     ivas_shoebox_config_init( &hCrend->reflections->shoebox_lib.cal, hRendCfg );
    1312             : 
    1313             :                     /* Init and compute Reflections */
    1314           4 :                     if ( ( error = ivas_er_init( hCrend->reflections, inConfig ) ) != IVAS_ERR_OK )
    1315             :                     {
    1316           0 :                         return error;
    1317             :                     }
    1318             :                 }
    1319             :                 else
    1320             :                 {
    1321         107 :                     hCrend->reflections = NULL;
    1322             :                 }
    1323             :             }
    1324             :             else
    1325             :             {
    1326         608 :                 hCrend->hReverb = NULL;
    1327             :             }
    1328             : 
    1329         719 :             ( *pCrend )->binaural_latency_ns = (int32_t) ( ( *pCrend )->hHrtfCrend->latency_s * 1000000000.f );
    1330             :         }
    1331             : 
    1332         719 :         ( *pCrend )->hCrend[pos_idx] = hCrend;
    1333             :     }
    1334             : 
    1335         603 :     return IVAS_ERR_OK;
    1336             : }
    1337             : 
    1338             : 
    1339             : /*-------------------------------------------------------------------------
    1340             :  * ivas_rend_closeCrend()
    1341             :  *
    1342             :  * Deallocate Crend renderer handle
    1343             :  *------------------------------------------------------------------------*/
    1344             : 
    1345       41427 : void ivas_rend_closeCrend(
    1346             :     CREND_WRAPPER_HANDLE *pCrend )
    1347             : {
    1348             :     int16_t i;
    1349             :     int16_t pos_idx;
    1350             :     CREND_HANDLE hCrend;
    1351             : 
    1352       41427 :     if ( pCrend == NULL || *pCrend == NULL )
    1353             :     {
    1354       40824 :         return;
    1355             :     }
    1356             : 
    1357         603 :     if ( ( *pCrend )->hHrtfCrend != NULL && ( *pCrend )->hHrtfCrend->init_from_rom )
    1358             :     {
    1359         575 :         ivas_hrtf_close( &( *pCrend )->hHrtfCrend );
    1360             :     }
    1361             : 
    1362        5427 :     for ( pos_idx = 0; pos_idx < MAX_HEAD_ROT_POSES; pos_idx++ )
    1363             :     {
    1364        4824 :         hCrend = ( *pCrend )->hCrend[pos_idx];
    1365        4824 :         if ( hCrend != NULL )
    1366             :         {
    1367       12223 :             for ( i = 0; i < MAX_INTERN_CHANNELS; i++ )
    1368             :             {
    1369       11504 :                 if ( hCrend->freq_buffer_re[i] != NULL )
    1370             :                 {
    1371        7198 :                     free( hCrend->freq_buffer_re[i] );
    1372        7198 :                     hCrend->freq_buffer_re[i] = NULL;
    1373             :                 }
    1374       11504 :                 if ( hCrend->freq_buffer_im[i] != NULL )
    1375             :                 {
    1376        7198 :                     free( hCrend->freq_buffer_im[i] );
    1377        7198 :                     hCrend->freq_buffer_im[i] = NULL;
    1378             :                 }
    1379             :             }
    1380             : 
    1381        2157 :             for ( i = 0; i < BINAURAL_CHANNELS; i++ )
    1382             :             {
    1383        1438 :                 if ( hCrend->prev_out_buffer[i] != NULL )
    1384             :                 {
    1385        1438 :                     free( hCrend->prev_out_buffer[i] );
    1386        1438 :                     hCrend->prev_out_buffer[i] = NULL;
    1387             :                 }
    1388             :             }
    1389             : 
    1390         719 :             if ( hCrend->lfe_delay_line != NULL )
    1391             :             {
    1392         719 :                 free( hCrend->lfe_delay_line );
    1393         719 :                 hCrend->lfe_delay_line = NULL;
    1394             :             }
    1395         719 :             if ( hCrend->freq_buffer_re_diffuse[0] != NULL )
    1396             :             {
    1397         329 :                 free( hCrend->freq_buffer_re_diffuse[0] );
    1398         329 :                 hCrend->freq_buffer_re_diffuse[0] = NULL;
    1399             :             }
    1400             : 
    1401         719 :             if ( hCrend->freq_buffer_im_diffuse[0] != NULL )
    1402             :             {
    1403         329 :                 free( hCrend->freq_buffer_im_diffuse[0] );
    1404         329 :                 hCrend->freq_buffer_im_diffuse[0] = NULL;
    1405             :             }
    1406             : 
    1407         719 :             if ( hCrend->freq_buffer_re_diffuse[1] != NULL )
    1408             :             {
    1409           0 :                 free( hCrend->freq_buffer_re_diffuse[1] );
    1410           0 :                 hCrend->freq_buffer_re_diffuse[1] = NULL;
    1411             :             }
    1412             : 
    1413         719 :             if ( hCrend->freq_buffer_im_diffuse[1] != NULL )
    1414             :             {
    1415           0 :                 free( hCrend->freq_buffer_im_diffuse[1] );
    1416           0 :                 hCrend->freq_buffer_im_diffuse[1] = NULL;
    1417             :             }
    1418             : 
    1419         719 :             if ( hCrend->hTrack != NULL )
    1420             :             {
    1421           0 :                 free( hCrend->hTrack );
    1422           0 :                 hCrend->hTrack = NULL;
    1423             :             }
    1424             : 
    1425         719 :             ivas_reverb_close( &hCrend->hReverb );
    1426             : 
    1427         719 :             if ( hCrend->reflections != NULL )
    1428             :             {
    1429           4 :                 if ( hCrend->reflections->closest_ch_idx != NULL )
    1430             :                 {
    1431           4 :                     free( hCrend->reflections->closest_ch_idx );
    1432           4 :                     hCrend->reflections->closest_ch_idx = NULL;
    1433             :                 }
    1434             : 
    1435           4 :                 if ( hCrend->reflections->circ_buffers != NULL )
    1436             :                 {
    1437           4 :                     free( hCrend->reflections->circ_buffers );
    1438           4 :                     hCrend->reflections->circ_buffers = NULL;
    1439             :                 }
    1440             : 
    1441           4 :                 free( hCrend->reflections );
    1442           4 :                 hCrend->reflections = NULL;
    1443             :             }
    1444             : 
    1445         719 :             free( hCrend );
    1446         719 :             hCrend = NULL;
    1447         719 :             ( *pCrend )->hCrend[pos_idx] = hCrend;
    1448             :         }
    1449             :     }
    1450             : 
    1451         603 :     free( *pCrend );
    1452         603 :     *pCrend = NULL;
    1453             : 
    1454         603 :     return;
    1455             : }
    1456             : 
    1457             : 
    1458             : /*-------------------------------------------------------------------------
    1459             :  * ivas_rend_closeCldfbRend()
    1460             :  *
    1461             :  * Close CLDFB based fastconv binaural renderer memories
    1462             :  *------------------------------------------------------------------------*/
    1463             : 
    1464           0 : void ivas_rend_closeCldfbRend(
    1465             :     CLDFB_REND_WRAPPER *pCldfbRend )
    1466             : {
    1467           0 :     if ( pCldfbRend->hCldfbRend->hInputSetup != NULL )
    1468             :     {
    1469           0 :         free( pCldfbRend->hCldfbRend->hInputSetup );
    1470           0 :         pCldfbRend->hCldfbRend->hInputSetup = NULL;
    1471             :     }
    1472             : 
    1473           0 :     ivas_binRenderer_close( &pCldfbRend->hCldfbRend );
    1474           0 :     ivas_binaural_hrtf_close( &pCldfbRend->hHrtfFastConv );
    1475           0 :     ivas_HRTF_fastconv_binary_close( &pCldfbRend->hHrtfFastConv );
    1476             : 
    1477           0 :     return;
    1478             : }
    1479             : 
    1480             : 
    1481             : /*-----------------------------------------------------------------------------------------*
    1482             :  * Function ivas_rend_crendConvolver()
    1483             :  *
    1484             :  * Convolver block
    1485             :  *-----------------------------------------------------------------------------------------*/
    1486             : 
    1487      675712 : static ivas_error ivas_rend_crendConvolver(
    1488             :     const CREND_WRAPPER *pCrend,
    1489             :     AUDIO_CONFIG inConfig,
    1490             :     AUDIO_CONFIG outConfig,
    1491             :     float *pcm_in[],
    1492             :     float *pcm_out[],
    1493             :     const int32_t output_Fs,
    1494             :     const int16_t i_ts,
    1495             :     const int16_t pos_idx )
    1496             : {
    1497             :     int16_t i, j, k, m;
    1498             :     int16_t subframe_length, idx_in;
    1499             :     int16_t lfe_idx_in;
    1500             :     int32_t offset, offset_in, offset_diffuse;
    1501             :     int16_t nchan_in, nchan_out;
    1502             :     const float *pIn;
    1503             :     const float *pFreq_filt_re, *pFreq_filt_im;
    1504      675712 :     float *pFreq_buf_re = NULL, *pFreq_buf_im = NULL;
    1505      675712 :     float *pFreq_buf2_re = NULL, *pFreq_buf2_im = NULL;
    1506             :     float pOut[2 /*Re,Im*/ * L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
    1507             :     float tmp_out_re[L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES], tmp_out_im[L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
    1508             :     CREND_HANDLE hCrend;
    1509             :     ivas_error error;
    1510             : 
    1511      675712 :     hCrend = pCrend->hCrend[pos_idx];
    1512             : 
    1513      675712 :     if ( ( error = getAudioConfigNumChannels( inConfig, &nchan_in ) ) != IVAS_ERR_OK )
    1514             :     {
    1515           0 :         return error;
    1516             :     }
    1517             : 
    1518      675712 :     if ( ( error = getAudioConfigNumChannels( outConfig, &nchan_out ) ) != IVAS_ERR_OK )
    1519             :     {
    1520           0 :         return error;
    1521             :     }
    1522             : 
    1523      675712 :     subframe_length = (int16_t) ( output_Fs / FRAMES_PER_SEC ) / MAX_PARAM_SPATIAL_SUBFRAMES;
    1524             : 
    1525      675712 :     lfe_idx_in = -1;
    1526      675712 :     if ( getAudioConfigType( inConfig ) == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED )
    1527             :     {
    1528      486631 :         if ( inConfig != IVAS_AUDIO_CONFIG_LS_CUSTOM )
    1529             :         {
    1530      486631 :             lfe_idx_in = LFE_CHANNEL;
    1531             :         }
    1532             :         else
    1533             :         {
    1534           0 :             assert( 0 && "Custom LS not supported in CRend" );
    1535             :         }
    1536             :     }
    1537             : 
    1538      675712 :     offset = hCrend->delay_line_rw_index * subframe_length;                 /* subframe_length * ( pCrend->hHrtfCrend->max_num_iterations - 1 ); */
    1539      675712 :     offset_diffuse = hCrend->diffuse_delay_line_rw_index * subframe_length; /* subframe_length *( pCrend->hHrtfCrend->num_iterations_diffuse[0] - 1 ); */
    1540             : 
    1541      675712 :     if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1542             :     {
    1543      401127 :         set_zero( &hCrend->freq_buffer_re_diffuse[0][offset_diffuse], subframe_length );
    1544      401127 :         set_zero( &hCrend->freq_buffer_im_diffuse[0][offset_diffuse], subframe_length );
    1545      401127 :         if ( pCrend->hHrtfCrend->same_inv_diffuse_weight == 0 )
    1546             :         {
    1547           0 :             set_zero( &hCrend->freq_buffer_re_diffuse[1][offset_diffuse], subframe_length );
    1548           0 :             set_zero( &hCrend->freq_buffer_im_diffuse[1][offset_diffuse], subframe_length );
    1549             :         }
    1550             :     }
    1551             : 
    1552      675712 :     if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1553             :     {
    1554      401127 :         if ( pCrend->hHrtfCrend->same_inv_diffuse_weight )
    1555             :         {
    1556      401127 :             pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[0][offset_diffuse];
    1557      401127 :             pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[0][offset_diffuse];
    1558             :         }
    1559             :         else
    1560             :         {
    1561           0 :             pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[0][offset_diffuse];
    1562           0 :             pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[0][offset_diffuse];
    1563           0 :             pFreq_buf2_re = &hCrend->freq_buffer_re_diffuse[1][offset_diffuse];
    1564           0 :             pFreq_buf2_im = &hCrend->freq_buffer_im_diffuse[1][offset_diffuse];
    1565             :         }
    1566             :     }
    1567             : 
    1568      675712 :     i = 0;
    1569     8383856 :     for ( idx_in = 0; idx_in < nchan_in; idx_in++ )
    1570             :     {
    1571     7708144 :         pIn = &pcm_in[idx_in][i_ts * subframe_length];
    1572     7708144 :         if ( idx_in != lfe_idx_in )
    1573             :         {
    1574     7221513 :             if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1575             :             {
    1576     4159037 :                 if ( pCrend->hHrtfCrend->same_inv_diffuse_weight )
    1577             :                 {
    1578     4159037 :                     pFreq_filt_re = &hCrend->freq_buffer_re[i][offset];
    1579     4159037 :                     pFreq_filt_im = &hCrend->freq_buffer_im[i][offset];
    1580             : 
    1581   411562708 :                     for ( k = 0; k < pCrend->hHrtfCrend->index_frequency_max_diffuse; k++ )
    1582             :                     {
    1583   407403671 :                         pFreq_buf_re[k] += pFreq_filt_re[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1584   407403671 :                         pFreq_buf_im[k] += pFreq_filt_im[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1585             :                     }
    1586             :                 }
    1587             :                 else
    1588             :                 {
    1589           0 :                     pFreq_filt_re = &hCrend->freq_buffer_re[i][offset];
    1590           0 :                     pFreq_filt_im = &hCrend->freq_buffer_im[i][offset];
    1591             : 
    1592           0 :                     for ( k = 0; k < pCrend->hHrtfCrend->index_frequency_max_diffuse; k++ )
    1593             :                     {
    1594           0 :                         pFreq_buf_re[k] += pFreq_filt_re[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1595           0 :                         pFreq_buf_im[k] += pFreq_filt_im[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1596           0 :                         pFreq_buf2_re[k] += pFreq_filt_re[k] * pCrend->hHrtfCrend->inv_diffuse_weight[1][i];
    1597           0 :                         pFreq_buf2_im[k] += pFreq_filt_im[k] * pCrend->hHrtfCrend->inv_diffuse_weight[1][i];
    1598             :                     }
    1599             :                 }
    1600             :             }
    1601             : 
    1602     7221513 :             ivas_mdft( pIn, &hCrend->freq_buffer_re[i][offset], &hCrend->freq_buffer_im[i][offset], subframe_length, subframe_length );
    1603     7221513 :             i++;
    1604             :         }
    1605             :     }
    1606             : 
    1607     2027136 :     for ( j = 0; j < nchan_out; j++ )
    1608             :     {
    1609     1351424 :         set_zero( tmp_out_re, subframe_length );
    1610     1351424 :         set_zero( tmp_out_im, subframe_length );
    1611             : 
    1612     1351424 :         i = 0;
    1613    16767712 :         for ( idx_in = 0; idx_in < nchan_in; idx_in++ )
    1614             :         {
    1615    15416288 :             if ( idx_in != lfe_idx_in )
    1616             :             {
    1617    14443026 :                 offset = 0;
    1618   203579766 :                 for ( m = 0; m < pCrend->hHrtfCrend->num_iterations[i][j]; m++ )
    1619             :                 {
    1620   189136740 :                     offset_in = ( hCrend->delay_line_rw_index + pCrend->hHrtfCrend->max_num_iterations - pCrend->hHrtfCrend->num_iterations[i][j] + m + 1 );
    1621   189136740 :                     offset_in = offset_in % ( pCrend->hHrtfCrend->max_num_iterations );
    1622   189136740 :                     offset_in = offset_in * subframe_length;
    1623   189136740 :                     pFreq_buf_re = &hCrend->freq_buffer_re[i][offset_in];
    1624   189136740 :                     pFreq_buf_im = &hCrend->freq_buffer_im[i][offset_in];
    1625   189136740 :                     pFreq_filt_re = &pCrend->hHrtfCrend->pOut_to_bin_re[i][j][offset];
    1626   189136740 :                     pFreq_filt_im = &pCrend->hHrtfCrend->pOut_to_bin_im[i][j][offset];
    1627             : 
    1628 25573581788 :                     for ( k = 0; k < pCrend->hHrtfCrend->pIndex_frequency_max[i][j][m]; k++ )
    1629             :                     {
    1630 25384445048 :                         tmp_out_re[k] += pFreq_buf_re[k] * pFreq_filt_re[k] - pFreq_buf_im[k] * pFreq_filt_im[k];
    1631 25384445048 :                         tmp_out_im[k] += pFreq_buf_re[k] * pFreq_filt_im[k] + pFreq_buf_im[k] * pFreq_filt_re[k];
    1632             :                     }
    1633   189136740 :                     offset = offset + k;
    1634             :                 }
    1635    14443026 :                 i++;
    1636             :             }
    1637             :         }
    1638             : 
    1639     1351424 :         offset = 0;
    1640    33441584 :         for ( m = 0; m < pCrend->hHrtfCrend->num_iterations_diffuse[j]; m++ )
    1641             :         {
    1642    32090160 :             offset_diffuse = ( hCrend->diffuse_delay_line_rw_index + m + 1 );
    1643    32090160 :             offset_diffuse = offset_diffuse % pCrend->hHrtfCrend->num_iterations_diffuse[0];
    1644    32090160 :             offset_diffuse = offset_diffuse * subframe_length;
    1645    32090160 :             if ( pCrend->hHrtfCrend->same_inv_diffuse_weight )
    1646             :             {
    1647    32090160 :                 pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[0][offset_diffuse];
    1648    32090160 :                 pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[0][offset_diffuse];
    1649             :             }
    1650             :             else
    1651             :             {
    1652           0 :                 pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[j][offset_diffuse];
    1653           0 :                 pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[j][offset_diffuse];
    1654             :             }
    1655    32090160 :             pFreq_filt_re = &pCrend->hHrtfCrend->pOut_to_bin_diffuse_re[j][offset];
    1656    32090160 :             pFreq_filt_im = &pCrend->hHrtfCrend->pOut_to_bin_diffuse_im[j][offset];
    1657             : 
    1658  2345799620 :             for ( k = 0; k < pCrend->hHrtfCrend->pIndex_frequency_max_diffuse[j][m]; k++ )
    1659             :             {
    1660  2313709460 :                 tmp_out_re[k] += pFreq_buf_re[k] * pFreq_filt_re[k] - pFreq_buf_im[k] * pFreq_filt_im[k];
    1661  2313709460 :                 tmp_out_im[k] += pFreq_buf_re[k] * pFreq_filt_im[k] + pFreq_buf_im[k] * pFreq_filt_re[k];
    1662             :             }
    1663    32090160 :             offset = offset + k;
    1664             :         }
    1665             : 
    1666     1351424 :         ivas_imdft( tmp_out_re, tmp_out_im, pOut, subframe_length );
    1667             : 
    1668     1351424 :         pFreq_buf_re = &pcm_out[j][i_ts * subframe_length];
    1669   322975584 :         for ( k = 0; k < subframe_length; k++ )
    1670             :         {
    1671   321624160 :             pFreq_buf_re[k] = pOut[k] + hCrend->prev_out_buffer[j][k];
    1672   321624160 :             hCrend->prev_out_buffer[j][k] = pOut[k + subframe_length];
    1673             :         }
    1674             :     }
    1675             : 
    1676      675712 :     hCrend->delay_line_rw_index++;
    1677      675712 :     hCrend->delay_line_rw_index = hCrend->delay_line_rw_index % ( pCrend->hHrtfCrend->max_num_iterations );
    1678      675712 :     if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1679             :     {
    1680      401127 :         hCrend->diffuse_delay_line_rw_index++;
    1681      401127 :         hCrend->diffuse_delay_line_rw_index = hCrend->diffuse_delay_line_rw_index % ( pCrend->hHrtfCrend->num_iterations_diffuse[0] );
    1682             :     }
    1683             : 
    1684      675712 :     return IVAS_ERR_OK;
    1685             : }
    1686             : 
    1687             : 
    1688             : /*-----------------------------------------------------------------------------------------*
    1689             :  * Function ivas_rend_crendProcessSubframe()
    1690             :  *
    1691             :  *
    1692             :  *-----------------------------------------------------------------------------------------*/
    1693             : 
    1694      351624 : ivas_error ivas_rend_crendProcessSubframe(
    1695             :     const CREND_WRAPPER *pCrend,                                /* i/o: Crend wrapper handle                    */
    1696             :     const AUDIO_CONFIG inConfig,                                /* i  : input audio configuration               */
    1697             :     const AUDIO_CONFIG outConfig,                               /* i  : output audio configuration              */
    1698             :     const DECODER_CONFIG_HANDLE hDecoderConfig,                 /* i  : decoder config. structure               */
    1699             :     const COMBINED_ORIENTATION_HANDLE hCombinedOrientationData, /* i  : combined orientation handle             */
    1700             :     const IVAS_OUTPUT_SETUP_HANDLE hIntSetup,                   /* i  : internal setup handle                   */
    1701             :     const EFAP_HANDLE hEFAPdata,                                /* i  : EFAP handle                             */
    1702             :     DECODER_TC_BUFFER_HANDLE hTcBuffer,                         /* i/o: JBM handle                              */
    1703             :     float *input_f[],                                           /* i  : transport channels                      */
    1704             :     float *output[],                                            /* i/o: input/output audio channels             */
    1705             :     const int16_t n_samples_to_render,                          /* i  : output frame length per channel         */
    1706             :     const int32_t output_Fs,                                    /* i  : output sampling rate                    */
    1707             :     const int16_t pos_idx                                       /* i  : pose index                              */
    1708             : )
    1709             : {
    1710             :     int16_t subframe_idx, subframe_len;
    1711             :     int16_t nchan_out, nchan_in, ch, first_sf, last_sf, slot_size, slots_to_render;
    1712             :     float *tc_local[MAX_OUTPUT_CHANNELS];
    1713             :     float *p_output[BINAURAL_CHANNELS];
    1714             :     float pcm_tmp[BINAURAL_CHANNELS][L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
    1715             :     float *p_pcm_tmp[BINAURAL_CHANNELS];
    1716             :     IVAS_REND_AudioConfigType inConfigType;
    1717             :     ivas_error error;
    1718             :     int8_t combinedOrientationEnabled;
    1719             :     CREND_HANDLE hCrend;
    1720             : 
    1721      351624 :     hCrend = pCrend->hCrend[pos_idx];
    1722             : 
    1723      351624 :     combinedOrientationEnabled = 0;
    1724      351624 :     if ( hCombinedOrientationData != NULL )
    1725             :     {
    1726       27697 :         if ( hCombinedOrientationData->enableCombinedOrientation[0] != 0 )
    1727             :         {
    1728       27697 :             combinedOrientationEnabled = 1;
    1729             :         }
    1730             :     }
    1731             : 
    1732      351624 :     push_wmops( "ivas_rend_crendProcessSubframe" );
    1733      351624 :     inConfigType = getAudioConfigType( inConfig );
    1734             : 
    1735      351624 :     if ( ( error = getAudioConfigNumChannels( outConfig, &nchan_out ) ) != IVAS_ERR_OK )
    1736             :     {
    1737           0 :         return error;
    1738             :     }
    1739             : 
    1740      351624 :     if ( ( error = getAudioConfigNumChannels( inConfig, &nchan_in ) ) != IVAS_ERR_OK )
    1741             :     {
    1742           0 :         return error;
    1743             :     }
    1744             : 
    1745     4293340 :     for ( ch = 0; ch < nchan_in; ch++ )
    1746             :     {
    1747     3941716 :         tc_local[ch] = input_f[ch];
    1748             :     }
    1749             : 
    1750     1054872 :     for ( ch = 0; ch < BINAURAL_CHANNELS; ch++ )
    1751             :     {
    1752      703248 :         p_pcm_tmp[ch] = pcm_tmp[ch];
    1753      703248 :         p_output[ch] = output[ch];
    1754             :     }
    1755             : 
    1756      351624 :     if ( hTcBuffer != NULL )
    1757             :     {
    1758       48928 :         slot_size = hTcBuffer->n_samples_granularity;
    1759             : 
    1760             :         /* loop for synthesis, assume we always have to render in multiples of 5ms subframes with spills */
    1761       48928 :         slots_to_render = min( hTcBuffer->num_slots - hTcBuffer->slots_rendered, n_samples_to_render / slot_size );
    1762       48928 :         first_sf = hTcBuffer->subframes_rendered;
    1763       48928 :         last_sf = first_sf;
    1764             : 
    1765      240150 :         while ( slots_to_render > 0 )
    1766             :         {
    1767      191222 :             slots_to_render -= hTcBuffer->subframe_nbslots[last_sf];
    1768      191222 :             last_sf++;
    1769             :         }
    1770       48928 :         subframe_len = -1; /* will be set later */
    1771             :     }
    1772             :     else
    1773             :     {
    1774      302696 :         subframe_len = (int16_t) ( output_Fs / ( FRAMES_PER_SEC * MAX_PARAM_SPATIAL_SUBFRAMES ) );
    1775      302696 :         first_sf = 0;
    1776      302696 :         last_sf = n_samples_to_render / subframe_len;
    1777             :     }
    1778             : 
    1779     1027336 :     for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
    1780             :     {
    1781      675712 :         if ( hTcBuffer != NULL )
    1782             :         {
    1783      191222 :             subframe_len = hTcBuffer->subframe_nbslots[subframe_idx] * hTcBuffer->n_samples_granularity;
    1784             :         }
    1785             : 
    1786             :         /* Early Reflections */
    1787      675712 :         if ( hCrend->reflections != NULL )
    1788             :         {
    1789        5800 :             if ( hCrend->reflections->use_er == 1 && hCrend->reflections->is_ready == 1 )
    1790             :             {
    1791        5800 :                 if ( ( error = ivas_er_process( hCrend->reflections, subframe_len, 0, tc_local, inConfig ) ) != IVAS_ERR_OK )
    1792             :                 {
    1793           0 :                     return error;
    1794             :                 }
    1795             :             }
    1796             :         }
    1797             : 
    1798      675712 :         if ( hDecoderConfig && combinedOrientationEnabled )
    1799             :         {
    1800             :             /* Rotation in SHD for:
    1801             :                     MC with elevation (5_1_2 / 5_1_4 / 7_1_4) -> BINAURAL
    1802             :                     SBA SPAR -> BINAURAL or BINAURAL_ROOM
    1803             :                 */
    1804      108961 :             if ( inConfig == IVAS_AUDIO_CONFIG_FOA || inConfig == IVAS_AUDIO_CONFIG_HOA2 || inConfig == IVAS_AUDIO_CONFIG_HOA3 )
    1805             :             {
    1806       92961 :                 rotateFrame_shd( hCombinedOrientationData, tc_local, subframe_len, *hIntSetup, 0 );
    1807             :             }
    1808             :             /* Rotation in SD for MC -> BINAURAL_ROOM */
    1809       16000 :             else if ( ( hIntSetup != NULL ) && hIntSetup->is_loudspeaker_setup )
    1810             :             {
    1811       16000 :                 rotateFrame_sd( hCombinedOrientationData, tc_local, subframe_len, *hIntSetup, hEFAPdata, 0 );
    1812             :             }
    1813             :         }
    1814             : 
    1815      675712 :         if ( ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED ) || ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_AMBISONICS ) )
    1816             :         {
    1817      675712 :             if ( ( error = ivas_rend_crendConvolver( pCrend, inConfig, outConfig, tc_local, p_pcm_tmp, output_Fs, 0, pos_idx ) ) != IVAS_ERR_OK )
    1818             :             {
    1819           0 :                 return error;
    1820             :             }
    1821             : 
    1822      675712 :             if ( pCrend->hCrend[0]->hReverb != NULL )
    1823             :             {
    1824      103980 :                 if ( ( error = ivas_reverb_process( pCrend->hCrend[pos_idx]->hReverb, inConfig, 1, tc_local, p_pcm_tmp, 0 ) ) != IVAS_ERR_OK )
    1825             :                 {
    1826           0 :                     return error;
    1827             :                 }
    1828             :             }
    1829             : 
    1830     8383856 :             for ( ch = 0; ch < nchan_in; ch++ )
    1831             :             {
    1832     7708144 :                 tc_local[ch] += subframe_len;
    1833             :             }
    1834             : 
    1835      675712 :             if ( hTcBuffer != NULL )
    1836             :             {
    1837      191222 :                 hTcBuffer->slots_rendered += hTcBuffer->subframe_nbslots[subframe_idx];
    1838             :             }
    1839             :         }
    1840             :         else
    1841             :         {
    1842           0 :             return IVAS_ERR_INVALID_INPUT_FORMAT;
    1843             :         }
    1844             : 
    1845     2027136 :         for ( ch = 0; ch < BINAURAL_CHANNELS; ch++ )
    1846             :         {
    1847             :             /* move to output */
    1848     1351424 :             mvr2r( pcm_tmp[ch], p_output[ch], subframe_len );
    1849             : 
    1850     1351424 :             p_output[ch] += subframe_len;
    1851             :         }
    1852             : 
    1853             :         /* update combined orientation access index */
    1854      675712 :         ivas_combined_orientation_update_index( hCombinedOrientationData, subframe_len );
    1855             :     }
    1856             : 
    1857      351624 :     if ( hTcBuffer != NULL )
    1858             :     {
    1859       48928 :         hTcBuffer->subframes_rendered = last_sf;
    1860             :     }
    1861             : 
    1862      351624 :     pop_wmops();
    1863             : 
    1864      351624 :     return IVAS_ERR_OK;
    1865             : }
    1866             : 
    1867             : 
    1868             : /*-----------------------------------------------------------------------------------------*
    1869             :  * Function ivas_rend_crend_ProcessSubframesSplitBin()
    1870             :  *
    1871             :  * Process call for IVAS Crend renderer
    1872             :  *-----------------------------------------------------------------------------------------*/
    1873             : 
    1874        5562 : ivas_error ivas_rend_crendProcessSubframesSplitBin(
    1875             :     const CREND_WRAPPER *pCrend,                                /* i/o: Crend wrapper handle                    */
    1876             :     const AUDIO_CONFIG inConfig,                                /* i  : input audio configuration               */
    1877             :     const AUDIO_CONFIG outConfig,                               /* i  : output audio configuration              */
    1878             :     const MULTI_BIN_REND_POSE_DATA *pMultiBinPoseData,          /* i/o: pose correction data handle             */
    1879             :     const DECODER_CONFIG_HANDLE hDecoderConfig,                 /* i  : decoder config. structure               */
    1880             :     const COMBINED_ORIENTATION_HANDLE hCombinedOrientationData, /* i  : combined orientation handle             */
    1881             :     const IVAS_OUTPUT_SETUP_HANDLE hIntSetup,                   /* i  : internal setup handle                   */
    1882             :     const EFAP_HANDLE hEFAPdata,                                /* i  : EFAP handle                             */
    1883             :     DECODER_TC_BUFFER_HANDLE hTcBuffer,                         /* i/o: JBM handle                              */
    1884             :     float *input_f[],                                           /* i  : transport channels                      */
    1885             :     float *output[],                                            /* i/o: input/output audio channels             */
    1886             :     const int16_t n_samples_to_render,                          /* i  : output frame length per channel         */
    1887             :     const int32_t output_Fs                                     /* i  : output sampling rate                    */
    1888             : )
    1889             : {
    1890             :     int16_t i, j;
    1891             :     int16_t sf;
    1892             :     int16_t pos_idx;
    1893             :     ivas_error error;
    1894             :     float gain_lfe;
    1895             :     float tmpLfeBuffer[L_FRAME48k];
    1896             :     int16_t original_subframes_rendered, original_slots_rendered;
    1897             :     float tmpInputBuffer[MAX_OUTPUT_CHANNELS][L_FRAME48k];
    1898             :     float *p_tmpInputBuffer[MAX_OUTPUT_CHANNELS];
    1899             :     float tmpSplitBinBuffer[MAX_OUTPUT_CHANNELS][L_FRAME48k];
    1900             :     COMBINED_ORIENTATION_DATA combinedOrientationDataLocal;
    1901             :     COMBINED_ORIENTATION_HANDLE pCombinedOrientationDataLocal;
    1902             : 
    1903             :     /* save current head positions */
    1904        5562 :     pCombinedOrientationDataLocal = hCombinedOrientationData;
    1905        5562 :     combinedOrientationDataLocal = *pCombinedOrientationDataLocal;
    1906        5562 :     original_subframes_rendered = hTcBuffer->subframes_rendered;
    1907        5562 :     original_slots_rendered = hTcBuffer->slots_rendered;
    1908             : 
    1909             :     /* copy input */
    1910       94554 :     for ( i = 0; i < hIntSetup->nchan_out_woLFE; ++i )
    1911             :     {
    1912       88992 :         mvr2r( input_f[i], tmpInputBuffer[i], n_samples_to_render );
    1913             :     }
    1914             : 
    1915       94554 :     for ( i = 0; i < MAX_OUTPUT_CHANNELS; ++i )
    1916             :     {
    1917       88992 :         p_tmpInputBuffer[i] = tmpInputBuffer[i];
    1918             :     }
    1919             : 
    1920             :     /* save current head positions */
    1921        5562 :     pCombinedOrientationDataLocal = hCombinedOrientationData;
    1922        5562 :     combinedOrientationDataLocal = *pCombinedOrientationDataLocal;
    1923        5562 :     if ( pMultiBinPoseData->poseCorrectionMode == ISAR_SPLIT_REND_POSE_CORRECTION_MODE_CLDFB )
    1924             :     {
    1925       16068 :         for ( sf = 1; sf < hCombinedOrientationData->num_subframes; ++sf )
    1926             :         {
    1927       12051 :             combinedOrientationDataLocal.Quaternions[sf] = combinedOrientationDataLocal.Quaternions[0];
    1928       48204 :             for ( i = 0; i < 3; i++ )
    1929             :             {
    1930      144612 :                 for ( j = 0; j < 3; j++ )
    1931             :                 {
    1932      108459 :                     combinedOrientationDataLocal.Rmat[sf][i][j] = combinedOrientationDataLocal.Rmat[0][i][j];
    1933             :                 }
    1934             :             }
    1935             :         }
    1936             :     }
    1937             : 
    1938             :     /* copy LFE to tmpLfeBuffer and apply gain only once */
    1939        5562 :     if ( hIntSetup->num_lfe > 0 && hIntSetup->index_lfe[0] != -1 )
    1940             :     {
    1941           0 :         mvr2r( output[hIntSetup->index_lfe[0]], tmpLfeBuffer, n_samples_to_render );
    1942           0 :         gain_lfe = ( ( pCrend != NULL ) && ( pCrend->hHrtfCrend != NULL ) ) ? pCrend->hHrtfCrend->gain_lfe : GAIN_LFE;
    1943           0 :         v_multc( tmpLfeBuffer, gain_lfe, tmpLfeBuffer, n_samples_to_render );
    1944             :     }
    1945             :     else
    1946             :     {
    1947        5562 :         set_zero( tmpLfeBuffer, n_samples_to_render );
    1948             :     }
    1949             : 
    1950       29046 :     for ( pos_idx = 0; pos_idx < pMultiBinPoseData->num_poses; ++pos_idx )
    1951             :     {
    1952             :         /* Update head positions */
    1953             :         IVAS_QUATERNION Quaternions_orig[MAX_PARAM_SPATIAL_SUBFRAMES], Quaternions_abs;
    1954      117420 :         for ( i = 0; i < hCombinedOrientationData->num_subframes; i++ )
    1955             :         {
    1956       93936 :             Quaternions_orig[i] = combinedOrientationDataLocal.Quaternions[i];
    1957       93936 :             Quaternions_abs.w = -3.0f;
    1958       93936 :             Quat2EulerDegree( combinedOrientationDataLocal.Quaternions[i], &Quaternions_abs.z, &Quaternions_abs.y, &Quaternions_abs.x ); /*order in Quat2Euler seems to be reversed ?*/
    1959             : 
    1960       93936 :             Quaternions_abs.x += pMultiBinPoseData->relative_head_poses[pos_idx][0];
    1961       93936 :             Quaternions_abs.y += pMultiBinPoseData->relative_head_poses[pos_idx][1];
    1962       93936 :             Quaternions_abs.z += pMultiBinPoseData->relative_head_poses[pos_idx][2];
    1963       93936 :             combinedOrientationDataLocal.Quaternions[i] = Quaternions_abs;
    1964       93936 :             QuatToRotMat( combinedOrientationDataLocal.Quaternions[i], combinedOrientationDataLocal.Rmat[i] );
    1965             :         }
    1966             : 
    1967       23484 :         pCombinedOrientationDataLocal = &combinedOrientationDataLocal;
    1968             : 
    1969       23484 :         hTcBuffer->subframes_rendered = original_subframes_rendered;
    1970       23484 :         hTcBuffer->slots_rendered = original_slots_rendered;
    1971             : 
    1972             :         /* update combined orientation access index */
    1973       23484 :         ivas_combined_orientation_set_to_start_index( pCombinedOrientationDataLocal );
    1974             : 
    1975       93936 :         for ( i = 0; i < 3; i++ )
    1976             :         {
    1977       70452 :             mvr2r( hCombinedOrientationData->Rmat_prev[pos_idx][i], pCombinedOrientationDataLocal->Rmat_prev[0][i], 3 );
    1978             :         }
    1979             : 
    1980       23484 :         if ( ( error = ivas_rend_crendProcessSubframe( pCrend, inConfig, outConfig, hDecoderConfig, pCombinedOrientationDataLocal,
    1981             :                                                        hIntSetup, hEFAPdata, hTcBuffer, p_tmpInputBuffer, p_tmpInputBuffer, n_samples_to_render, output_Fs, pos_idx ) ) != IVAS_ERR_OK )
    1982             :         {
    1983           0 :             return error;
    1984             :         }
    1985             : 
    1986       93936 :         for ( i = 0; i < 3; i++ )
    1987             :         {
    1988       70452 :             mvr2r( pCombinedOrientationDataLocal->Rmat_prev[0][i], hCombinedOrientationData->Rmat_prev[pos_idx][i], 3 );
    1989             :         }
    1990             : 
    1991       70452 :         for ( i = 0; i < BINAURAL_CHANNELS; ++i )
    1992             :         {
    1993             :             /* accumulate LFE to output */
    1994       46968 :             v_add( tmpInputBuffer[i], tmpLfeBuffer, tmpInputBuffer[i], n_samples_to_render );
    1995             : 
    1996             :             /* move to split bin output buffer */
    1997       46968 :             mvr2r( tmpInputBuffer[i], tmpSplitBinBuffer[pos_idx * BINAURAL_CHANNELS + i], n_samples_to_render );
    1998             :         }
    1999             : 
    2000             :         /* overwrite rendered channels with input again for next iteration */
    2001      399228 :         for ( i = 0; i < hIntSetup->nchan_out_woLFE; ++i )
    2002             :         {
    2003      375744 :             mvr2r( input_f[i], tmpInputBuffer[i], n_samples_to_render );
    2004             :         }
    2005             : 
    2006             :         /* restore original headrotation data */
    2007      117420 :         for ( i = 0; i < hCombinedOrientationData->num_subframes; i++ )
    2008             :         {
    2009       93936 :             combinedOrientationDataLocal.Quaternions[i] = Quaternions_orig[i];
    2010             :         }
    2011             :     }
    2012             : 
    2013             :     /* copy split binaural rendered signals to final output */
    2014       52530 :     for ( i = 0; i < BINAURAL_CHANNELS * pMultiBinPoseData->num_poses; ++i )
    2015             :     {
    2016       46968 :         mvr2r( tmpSplitBinBuffer[i], output[i], n_samples_to_render );
    2017             :     }
    2018             : 
    2019             :     /* update main combined orientation access index */
    2020        5562 :     ivas_combined_orientation_update_index( hCombinedOrientationData, n_samples_to_render );
    2021             : 
    2022        5562 :     return IVAS_ERR_OK;
    2023             : }

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