LCOV - code coverage report
Current view: top level - lib_rend - ivas_crend.c (source / functions) Hit Total Coverage
Test: Coverage on main -- short test vectors @ 6c9ddc4024a9c0e1ecb8f643f114a84a0e26ec6b Lines: 557 842 66.2 %
Date: 2025-05-23 08:37:30 Functions: 14 17 82.4 %

          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        1369 : ivas_error ivas_Crend_hrtf_init(
      57             :     HRTFS_CREND_DATA *hHrtf /* i/o: HRTF handle     */
      58             : )
      59             : {
      60             :     int16_t i, j;
      61             : 
      62        1369 :     if ( hHrtf == NULL )
      63             :     {
      64           0 :         return IVAS_ERR_WRONG_PARAMS;
      65             :     }
      66             : 
      67        1369 :     hHrtf->latency_s = 0;
      68        1369 :     hHrtf->max_num_ir = 0;
      69        1369 :     hHrtf->max_num_iterations = 0;
      70        1369 :     hHrtf->gain_lfe = 0;
      71        1369 :     hHrtf->index_frequency_max_diffuse = 0;
      72        1369 :     hHrtf->same_inv_diffuse_weight = 1;
      73             : 
      74       23273 :     for ( i = 0; i < MAX_INTERN_CHANNELS; i++ )
      75             :     {
      76       65712 :         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
      77             :         {
      78       43808 :             hHrtf->inv_diffuse_weight[j][i] = 0;
      79       43808 :             hHrtf->num_iterations[i][j] = 0;
      80       43808 :             hHrtf->pIndex_frequency_max[i][j] = NULL;
      81       43808 :             hHrtf->pOut_to_bin_re[i][j] = NULL;
      82       43808 :             hHrtf->pOut_to_bin_im[i][j] = NULL;
      83             :         }
      84             :     }
      85             : 
      86        4107 :     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
      87             :     {
      88        2738 :         hHrtf->num_iterations_diffuse[j] = 0;
      89        2738 :         hHrtf->pIndex_frequency_max_diffuse[j] = NULL;
      90        2738 :         hHrtf->pOut_to_bin_diffuse_re[j] = NULL;
      91        2738 :         hHrtf->pOut_to_bin_diffuse_im[j] = NULL;
      92             :     }
      93             : 
      94        1369 :     hHrtf->init_from_rom = 1;
      95             : 
      96        1369 :     return IVAS_ERR_OK;
      97             : }
      98             : 
      99             : 
     100             : /*-------------------------------------------------------------------------
     101             :  * ivas_hrtf_open()
     102             :  *
     103             :  * Open hHrtf handle for Crend renderer
     104             :  *------------------------------------------------------------------------*/
     105             : 
     106        1285 : static ivas_error ivas_hrtf_open(
     107             :     HRTFS_HANDLE *hHrtf_out /* o  : HRTF handle     */
     108             : )
     109             : {
     110             :     HRTFS_HANDLE hHrtf;
     111             :     ivas_error error;
     112             : 
     113        1285 :     if ( *hHrtf_out == NULL )
     114             :     {
     115        1285 :         if ( ( hHrtf = (HRTFS_HANDLE) malloc( sizeof( HRTFS_DATA ) ) ) == NULL )
     116             :         {
     117           0 :             return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend HRTFS Handle\n" );
     118             :         }
     119             : 
     120        1285 :         if ( ( error = ivas_Crend_hrtf_init( hHrtf ) ) != IVAS_ERR_OK )
     121             :         {
     122           0 :             return error;
     123             :         }
     124             : 
     125        1285 :         *hHrtf_out = hHrtf;
     126             :     }
     127             :     else
     128             :     {
     129           0 :         return IVAS_ERR_INTERNAL;
     130             :     }
     131             : 
     132        1285 :     return IVAS_ERR_OK;
     133             : }
     134             : 
     135             : 
     136             : /*-------------------------------------------------------------------------
     137             :  * ivas_hrtf_close()
     138             :  *
     139             :  * Close hHrtf handle
     140             :  *------------------------------------------------------------------------*/
     141             : 
     142        1285 : static void ivas_hrtf_close(
     143             :     HRTFS_HANDLE *hHrtf /* i/o: HRTF handle         */
     144             : )
     145             : {
     146        1285 :     if ( hHrtf == NULL || *hHrtf == NULL )
     147             :     {
     148           0 :         return;
     149             :     }
     150             : 
     151        1285 :     free( *hHrtf );
     152        1285 :     *hHrtf = NULL;
     153             : 
     154        1285 :     return;
     155             : }
     156             : 
     157             : 
     158             : /*-------------------------------------------------------------------------
     159             :  * ivas_rend_initCrend()
     160             :  *
     161             :  * Allocate and initialize crend renderer handle
     162             :  *------------------------------------------------------------------------*/
     163             : 
     164        1369 : 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_HANDLE hHrtf;
     176             :     ivas_error error;
     177             : 
     178        1369 :     inConfigType = getAudioConfigType( inConfig );
     179        1369 :     hHrtf = pCrend->hHrtfCrend;
     180             : 
     181             :     /* Do all error checks up front so that the nested if later is easier */
     182        1369 :     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        1369 :     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        1369 :     if ( hHrtf == NULL )
     193             :     {
     194        1369 :         if ( hHrtfCrend != NULL && ext_rend_flag == 0 )
     195             :         {
     196             :             /* HRTF set loaded from binary file */
     197          84 :             hHrtf = hHrtfCrend;
     198          84 :             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        1285 :             if ( ( error = ivas_hrtf_open( &hHrtf ) ) != IVAS_ERR_OK )
     204             :             {
     205           0 :                 return error;
     206             :             }
     207             : 
     208        1285 :             hHrtf->init_from_rom = 1;
     209        1285 :             if ( hHrtfCrend != NULL )
     210             :             {
     211           0 :                 hHrtf->init_from_rom = 0;
     212             :             }
     213             :         }
     214             :     }
     215             : 
     216        1369 :     if ( ( error = getAudioConfigNumChannels( inConfig, &nchan_in ) ) != IVAS_ERR_OK )
     217             :     {
     218           0 :         return error;
     219             :     }
     220        1369 :     hHrtf->max_num_ir = nchan_in;
     221             : 
     222        1369 :     if ( hHrtf->max_num_ir <= 0 )
     223             :     {
     224           0 :         return IVAS_ERR_INTERNAL_FATAL;
     225             :     }
     226             : 
     227        1369 :     if ( hHrtf->init_from_rom )
     228             :     {
     229        1285 :         if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED )
     230             :         {
     231        1222 :             hHrtf->max_num_ir -= 1; /* subtract LFE */
     232        1222 :             hHrtf->gain_lfe = GAIN_LFE;
     233             : 
     234        1222 :             if ( output_Fs == 48000 )
     235             :             {
     236         802 :                 if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     237             :                 {
     238         606 :                     hHrtf->latency_s = CRendBin_Combined_BRIR_latency_s;
     239         606 :                     hHrtf->max_num_iterations = CRendBin_Combined_BRIR_max_num_iterations_48kHz;
     240         606 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_BRIR_index_frequency_max_diffuse_48kHz;
     241             :                 }
     242             :                 else
     243             :                 {
     244         196 :                     hHrtf->latency_s = CRendBin_Combined_HRIR_latency_s;
     245         196 :                     hHrtf->max_num_iterations = CRendBin_Combined_HRIR_max_num_iterations_48kHz;
     246         196 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_HRIR_index_frequency_max_diffuse_48kHz;
     247             :                 }
     248             : 
     249        2406 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     250             :                 {
     251        1604 :                     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     252             :                     {
     253        1212 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_BRIR_num_iterations_diffuse_48kHz[j];
     254        1212 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_BRIR_pIndex_frequency_max_diffuse_48kHz[j];
     255        1212 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_BRIR_coeff_diffuse_re_48kHz[j];
     256        1212 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_BRIR_coeff_diffuse_im_48kHz[j];
     257             :                     }
     258             :                     else
     259             :                     {
     260         392 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_HRIR_num_iterations_diffuse_48kHz[j];
     261         392 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     262         392 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_HRIR_coeff_diffuse_re_48kHz[j];
     263         392 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_HRIR_coeff_diffuse_im_48kHz[j];
     264             :                     }
     265             :                 }
     266             :             }
     267         420 :             else if ( output_Fs == 32000 )
     268             :             {
     269         225 :                 if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     270             :                 {
     271         225 :                     hHrtf->latency_s = CRendBin_Combined_BRIR_latency_s;
     272         225 :                     hHrtf->max_num_iterations = CRendBin_Combined_BRIR_max_num_iterations_32kHz;
     273         225 :                     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         675 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     283             :                 {
     284         450 :                     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     285             :                     {
     286         450 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_BRIR_num_iterations_diffuse_32kHz[j];
     287         450 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_BRIR_pIndex_frequency_max_diffuse_32kHz[j];
     288         450 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_BRIR_coeff_diffuse_re_32kHz[j];
     289         450 :                         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         195 :             else if ( output_Fs == 16000 )
     301             :             {
     302         195 :                 if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     303             :                 {
     304          12 :                     hHrtf->latency_s = CRendBin_Combined_BRIR_latency_s;
     305             : 
     306          12 :                     hHrtf->max_num_iterations = CRendBin_Combined_BRIR_max_num_iterations_16kHz;
     307          12 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_BRIR_index_frequency_max_diffuse_16kHz;
     308             :                 }
     309             :                 else
     310             :                 {
     311         183 :                     hHrtf->latency_s = CRendBin_Combined_HRIR_latency_s;
     312         183 :                     hHrtf->max_num_iterations = CRendBin_Combined_HRIR_max_num_iterations_16kHz;
     313         183 :                     hHrtf->index_frequency_max_diffuse = CRendBin_Combined_HRIR_index_frequency_max_diffuse_16kHz;
     314             :                 }
     315             : 
     316         585 :                 for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     317             :                 {
     318         390 :                     if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     319             :                     {
     320          24 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_BRIR_num_iterations_diffuse_16kHz[j];
     321          24 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_BRIR_pIndex_frequency_max_diffuse_16kHz[j];
     322          24 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_BRIR_coeff_diffuse_re_16kHz[j];
     323          24 :                         hHrtf->pOut_to_bin_diffuse_im[j] = CRendBin_Combined_BRIR_coeff_diffuse_im_16kHz[j];
     324             :                     }
     325             :                     else
     326             :                     {
     327         366 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_Combined_HRIR_num_iterations_diffuse_16kHz[j];
     328         366 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_Combined_HRIR_pIndex_frequency_max_diffuse_16kHz[j];
     329         366 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_Combined_HRIR_coeff_diffuse_re_16kHz[j];
     330         366 :                         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       11516 :             for ( i = 0; i < hHrtf->max_num_ir; i++ )
     340             :             {
     341       10294 :                 if ( inConfig == IVAS_AUDIO_CONFIG_5_1 )
     342             :                 {
     343        2390 :                     tmp = channelIndex_CICP6[i];
     344             :                 }
     345        7904 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_7_1 )
     346             :                 {
     347         133 :                     tmp = channelIndex_CICP12[i];
     348             :                 }
     349        7771 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_2 )
     350             :                 {
     351         252 :                     tmp = channelIndex_CICP14[i];
     352             :                 }
     353        7519 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_4 )
     354             :                 {
     355         270 :                     tmp = channelIndex_CICP16[i];
     356             :                 }
     357        7249 :                 else if ( inConfig == IVAS_AUDIO_CONFIG_7_1_4 )
     358             :                 {
     359        7249 :                     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       10294 :                 if ( output_Fs == 48000 )
     367             :                 {
     368       20460 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     369             :                     {
     370       13640 :                         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     371             :                         {
     372       10736 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_BRIR_inv_diffuse_weight_48kHz[j][tmp];
     373       10736 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_BRIR_num_iterations_48kHz[tmp][j];
     374       10736 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_BRIR_pIndex_frequency_max_48kHz[tmp][j];
     375       10736 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_BRIR_coeff_re_48kHz[tmp][j];
     376       10736 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_BRIR_coeff_im_48kHz[tmp][j];
     377             :                         }
     378             :                         else
     379             :                         {
     380        2904 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_HRIR_inv_diffuse_weight_48kHz[j][tmp];
     381        2904 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_HRIR_num_iterations_48kHz[tmp][j];
     382        2904 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_HRIR_pIndex_frequency_max_48kHz[tmp][j];
     383        2904 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_HRIR_coeff_re_48kHz[tmp][j];
     384        2904 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_HRIR_coeff_im_48kHz[tmp][j];
     385             :                         }
     386             :                     }
     387             :                 }
     388        3474 :                 else if ( output_Fs == 32000 )
     389             :                 {
     390        7425 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     391             :                     {
     392        4950 :                         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     393             :                         {
     394        4950 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_BRIR_inv_diffuse_weight_32kHz[j][tmp];
     395        4950 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_BRIR_num_iterations_32kHz[tmp][j];
     396        4950 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_BRIR_pIndex_frequency_max_32kHz[tmp][j];
     397        4950 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_BRIR_coeff_re_32kHz[tmp][j];
     398        4950 :                             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         999 :                 else if ( output_Fs == 16000 )
     411             :                 {
     412        2997 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     413             :                     {
     414        1998 :                         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     415             :                         {
     416         168 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_BRIR_inv_diffuse_weight_16kHz[j][tmp];
     417         168 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_BRIR_num_iterations_16kHz[tmp][j];
     418         168 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_BRIR_pIndex_frequency_max_16kHz[tmp][j];
     419         168 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_BRIR_coeff_re_16kHz[tmp][j];
     420         168 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_Combined_BRIR_coeff_im_16kHz[tmp][j];
     421             :                         }
     422             :                         else
     423             :                         {
     424        1830 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_Combined_HRIR_inv_diffuse_weight_16kHz[j][tmp];
     425        1830 :                             hHrtf->num_iterations[i][j] = CRendBin_Combined_HRIR_num_iterations_16kHz[tmp][j];
     426        1830 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_Combined_HRIR_pIndex_frequency_max_16kHz[tmp][j];
     427        1830 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_Combined_HRIR_coeff_re_16kHz[tmp][j];
     428        1830 :                             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          63 :         else if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_AMBISONICS )
     439             :         {
     440          63 :             if ( inConfig == IVAS_AUDIO_CONFIG_HOA3 )
     441             :             {
     442          31 :                 if ( output_Fs == 48000 )
     443             :                 {
     444          31 :                     hHrtf->latency_s = CRendBin_HOA3_HRIR_latency_s;
     445          31 :                     hHrtf->max_num_iterations = CRendBin_HOA3_HRIR_max_num_iterations_48kHz;
     446          31 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA3_HRIR_index_frequency_max_diffuse_48kHz;
     447             : 
     448         527 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     449             :                     {
     450        1488 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     451             :                         {
     452         992 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA3_HRIR_inv_diffuse_weight_48kHz[j][i];
     453         992 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA3_HRIR_num_iterations_48kHz[i][j];
     454         992 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_48kHz[i][j];
     455         992 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA3_HRIR_coeff_re_48kHz[i][j];
     456         992 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA3_HRIR_coeff_im_48kHz[i][j];
     457             :                         }
     458             :                     }
     459          93 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     460             :                     {
     461          62 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA3_HRIR_num_iterations_diffuse_48kHz[j];
     462          62 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA3_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     463          62 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA3_HRIR_coeff_diffuse_re_48kHz[j];
     464          62 :                         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          32 :             else if ( inConfig == IVAS_AUDIO_CONFIG_HOA2 )
     525             :             {
     526          16 :                 if ( output_Fs == 48000 )
     527             :                 {
     528          16 :                     hHrtf->latency_s = CRendBin_HOA2_HRIR_latency_s;
     529          16 :                     hHrtf->max_num_iterations = CRendBin_HOA2_HRIR_max_num_iterations_48kHz;
     530          16 :                     hHrtf->index_frequency_max_diffuse = CRendBin_HOA2_HRIR_index_frequency_max_diffuse_48kHz;
     531             : 
     532         160 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     533             :                     {
     534         432 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     535             :                         {
     536         288 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_HOA2_HRIR_inv_diffuse_weight_48kHz[j][i];
     537         288 :                             hHrtf->num_iterations[i][j] = CRendBin_HOA2_HRIR_num_iterations_48kHz[i][j];
     538         288 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_48kHz[i][j];
     539         288 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_HOA2_HRIR_coeff_re_48kHz[i][j];
     540         288 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_HOA2_HRIR_coeff_im_48kHz[i][j];
     541             :                         }
     542             :                     }
     543          48 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     544             :                     {
     545          32 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_HOA2_HRIR_num_iterations_diffuse_48kHz[j];
     546          32 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_HOA2_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     547          32 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_HOA2_HRIR_coeff_diffuse_re_48kHz[j];
     548          32 :                         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          16 :             else if ( inConfig == IVAS_AUDIO_CONFIG_FOA )
     609             :             {
     610          16 :                 if ( output_Fs == 48000 )
     611             :                 {
     612          16 :                     hHrtf->latency_s = CRendBin_FOA_HRIR_latency_s;
     613          16 :                     hHrtf->max_num_iterations = CRendBin_FOA_HRIR_max_num_iterations_48kHz;
     614          16 :                     hHrtf->index_frequency_max_diffuse = CRendBin_FOA_HRIR_index_frequency_max_diffuse_48kHz;
     615             : 
     616          80 :                     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     617             :                     {
     618         192 :                         for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     619             :                         {
     620         128 :                             hHrtf->inv_diffuse_weight[j][i] = CRendBin_FOA_HRIR_inv_diffuse_weight_48kHz[j][i];
     621         128 :                             hHrtf->num_iterations[i][j] = CRendBin_FOA_HRIR_num_iterations_48kHz[i][j];
     622         128 :                             hHrtf->pIndex_frequency_max[i][j] = CRendBin_FOA_HRIR_pIndex_frequency_max_48kHz[i][j];
     623         128 :                             hHrtf->pOut_to_bin_re[i][j] = CRendBin_FOA_HRIR_coeff_re_48kHz[i][j];
     624         128 :                             hHrtf->pOut_to_bin_im[i][j] = CRendBin_FOA_HRIR_coeff_im_48kHz[i][j];
     625             :                         }
     626             :                     }
     627          48 :                     for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     628             :                     {
     629          32 :                         hHrtf->num_iterations_diffuse[j] = CRendBin_FOA_HRIR_num_iterations_diffuse_48kHz[j];
     630          32 :                         hHrtf->pIndex_frequency_max_diffuse[j] = CRendBin_FOA_HRIR_pIndex_frequency_max_diffuse_48kHz[j];
     631          32 :                         hHrtf->pOut_to_bin_diffuse_re[j] = CRendBin_FOA_HRIR_coeff_diffuse_re_48kHz[j];
     632          32 :                         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          84 :         if ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED )
     705             :         {
     706          84 :             hHrtf->max_num_ir -= 1; /* subtract LFE */
     707          84 :             hHrtf->gain_lfe = GAIN_LFE;
     708             :         }
     709             : 
     710          84 :         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          84 :         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         996 :         for ( i = 0; i < hHrtf->max_num_ir; i++ )
     749             :         {
     750         912 :             if ( inConfig == IVAS_AUDIO_CONFIG_5_1 )
     751             :             {
     752           0 :                 tmp = channelIndex_CICP6[i];
     753             :             }
     754         912 :             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         912 :             else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_2 )
     766             :             {
     767           0 :                 tmp = channelIndex_CICP14[i];
     768             :             }
     769         912 :             else if ( inConfig == IVAS_AUDIO_CONFIG_5_1_4 )
     770             :             {
     771          54 :                 tmp = channelIndex_CICP16[i];
     772             :             }
     773         858 :             else if ( inConfig == IVAS_AUDIO_CONFIG_7_1_4 )
     774             :             {
     775         858 :                 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        2736 :             for ( j = 0; j < BINAURAL_CHANNELS; j++ )
     787             :             {
     788        1824 :                 hHrtf->inv_diffuse_weight[j][i] = hHrtfCrend->inv_diffuse_weight[j][tmp];
     789        1824 :                 hHrtf->num_iterations[i][j] = hHrtfCrend->num_iterations[tmp][j];
     790             : 
     791        1824 :                 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        1824 :                     swap( hHrtf->pIndex_frequency_max[i][j], hHrtf->pIndex_frequency_max[tmp][j], const uint16_t * );
     796             :                     MOVE( 3 );
     797        1824 :                     swap( hHrtf->pOut_to_bin_re[i][j], hHrtf->pOut_to_bin_re[tmp][j], const float * );
     798             :                     MOVE( 3 );
     799        1824 :                     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        1369 :     hHrtf->same_inv_diffuse_weight = 1;
     814       13279 :     for ( i = 0; i < hHrtf->max_num_ir; i++ )
     815             :     {
     816       11910 :         if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR )
     817             :         {
     818        8581 :             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        1369 :     pCrend->hHrtfCrend = hHrtf;
     826             : 
     827        1369 :     return IVAS_ERR_OK;
     828             : }
     829             : 
     830             : 
     831             : /*-------------------------------------------------------------------------
     832             :  * ivas_shoebox_data_init()
     833             :  *
     834             :  * Initialize shoebox_data_t handle
     835             :  *------------------------------------------------------------------------*/
     836             : 
     837          48 : 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          48 :     if ( hShoeboxData == NULL )
     844             :     {
     845           0 :         return IVAS_ERR_WRONG_PARAMS;
     846             :     }
     847             : 
     848        7248 :     for ( i = 0; i < 150; i++ )
     849             :     {
     850        7200 :         hShoeboxData->data[i] = 0.0f;
     851             :     }
     852          96 :     for ( i = 0; i < 1; i++ )
     853             :     {
     854          48 :         hShoeboxData->size[i] = 0;
     855             :     }
     856             : 
     857          48 :     return IVAS_ERR_OK;
     858             : }
     859             : 
     860             : 
     861             : /*-------------------------------------------------------------------------
     862             :  * ivas_shoebox_output_init()
     863             :  *
     864             :  * Initialize shoebox_output_t handle
     865             :  *------------------------------------------------------------------------*/
     866             : 
     867          12 : 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          12 :     if ( hShoeboxOutput == NULL )
     874             :     {
     875           0 :         return IVAS_ERR_WRONG_PARAMS;
     876             :     }
     877             : 
     878          12 :     hShoeboxOutput->n_sources = 0;
     879          12 :     hShoeboxOutput->n_ref = 0;
     880             : 
     881          12 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->times ) ) != IVAS_ERR_OK )
     882             :     {
     883           0 :         return error;
     884             :     }
     885             : 
     886          12 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->gains ) ) != IVAS_ERR_OK )
     887             :     {
     888           0 :         return error;
     889             :     }
     890             : 
     891          12 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->az_angle ) ) != IVAS_ERR_OK )
     892             :     {
     893           0 :         return error;
     894             :     }
     895             : 
     896          12 :     if ( ( error = ivas_shoebox_data_init( &hShoeboxOutput->el_angle ) ) != IVAS_ERR_OK )
     897             :     {
     898           0 :         return error;
     899             :     }
     900             : 
     901          12 :     return IVAS_ERR_OK;
     902             : }
     903             : 
     904             : 
     905             : /*-------------------------------------------------------------------------
     906             :  * ivas_shoebox_config_init()
     907             :  *
     908             :  * Initialize shoebox_config_t handle
     909             :  *------------------------------------------------------------------------*/
     910             : 
     911          12 : 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          12 :     if ( hShoeboxConfig == NULL )
     918             :     {
     919           0 :         return IVAS_ERR_WRONG_PARAMS;
     920             :     }
     921             : 
     922          12 :     hShoeboxConfig->room_L = 0.0f;
     923          12 :     hShoeboxConfig->room_W = 0.0f;
     924          12 :     hShoeboxConfig->room_H = 0.0f;
     925             : 
     926          84 :     for ( i = 0; i < IVAS_ROOM_ABS_COEFF; i++ )
     927             :     {
     928          72 :         hShoeboxConfig->abs_coeff[i] = 0.0f;
     929             :     }
     930          48 :     for ( i = 0; i < 3; i++ )
     931             :     {
     932          36 :         hShoeboxConfig->list_orig[i] = 0.0f;
     933             :     }
     934             : 
     935          12 :     return IVAS_ERR_OK;
     936             : }
     937             : 
     938             : 
     939             : /*-------------------------------------------------------------------------
     940             :  * ivas_shoebox_obj_init()
     941             :  *
     942             :  * Initialize shoebox_obj_t handle
     943             :  *------------------------------------------------------------------------*/
     944             : 
     945          12 : 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          12 :     if ( hShoeboxObj == NULL )
     953             :     {
     954           0 :         return IVAS_ERR_WRONG_PARAMS;
     955             :     }
     956             : 
     957          12 :     hShoeboxObj->isCartesian = 0;
     958          12 :     hShoeboxObj->isRelative = 0;
     959          12 :     hShoeboxObj->isZHeight = 0;
     960          12 :     hShoeboxObj->isRadians = 0;
     961          12 :     hShoeboxObj->MAX_SOURCES = 0;
     962          12 :     hShoeboxObj->max_bands = 0;
     963          12 :     hShoeboxObj->REF_ORDER = 0;
     964             : 
     965         912 :     for ( i = 0; i < 75; i++ )
     966             :     {
     967         900 :         hShoeboxObj->src_pos[i] = 0.0f;
     968             :     }
     969         312 :     for ( i = 0; i < 25; i++ )
     970             :     {
     971         300 :         hShoeboxObj->src_dist[i] = 0.0f;
     972             :     }
     973          48 :     for ( i = 0; i < 3; i++ )
     974             :     {
     975          36 :         hShoeboxObj->list_pos[i] = 0.0f;
     976             :     }
     977             : 
     978          12 :     hShoeboxObj->nSrc = 0;
     979          12 :     hShoeboxObj->radius = 0.0f;
     980          12 :     hShoeboxObj->min_wall_dist = 0.0f;
     981          12 :     hShoeboxObj->soundspeed = 0.0f;
     982          12 :     hShoeboxObj->air_coeff = 0.0f;
     983             : 
     984          12 :     if ( ( error = ivas_shoebox_config_init_params( &hShoeboxObj->cal ) ) != IVAS_ERR_OK )
     985             :     {
     986           0 :         return error;
     987             :     }
     988             : 
     989          12 :     return IVAS_ERR_OK;
     990             : }
     991             : 
     992             : 
     993             : /*-------------------------------------------------------------------------
     994             :  * ivas_er_init_handle()
     995             :  *
     996             :  * Initialize early reflections handle
     997             :  *------------------------------------------------------------------------*/
     998             : 
     999          12 : 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          12 :     if ( reflections == NULL )
    1007             :     {
    1008           0 :         return IVAS_ERR_WRONG_PARAMS;
    1009             :     }
    1010             : 
    1011          12 :     reflections->audio_config = IVAS_AUDIO_CONFIG_INVALID;
    1012          12 :     reflections->use_er = 0;
    1013          12 :     reflections->is_ready = 0;
    1014          12 :     reflections->circ_len = 0;
    1015          12 :     reflections->circ_insert = 0;
    1016          12 :     reflections->n_total_reflections = 0;
    1017          12 :     reflections->is_cartesian = 0;
    1018          12 :     reflections->is_relative = 0;
    1019          12 :     reflections->max_frame_size = 0;
    1020          12 :     reflections->output_Fs = 0.0f;
    1021             : 
    1022         912 :     for ( i = 0; i < 75; i++ )
    1023             :     {
    1024         900 :         reflections->source_positions[i] = 0.0f;
    1025             :     }
    1026          48 :     for ( i = 0; i < 3; i++ )
    1027             :     {
    1028          36 :         reflections->user_origin[i] = 0.0f;
    1029          36 :         if ( i == 2 )
    1030             :         {
    1031          12 :             reflections->user_origin[i] = ER_LIST_HEIGHT;
    1032             :         }
    1033             :     }
    1034             : 
    1035          12 :     reflections->circ_buffers = NULL;
    1036          12 :     reflections->closest_ch_idx = NULL;
    1037             : 
    1038          12 :     if ( ( error = ivas_shoebox_output_init( &reflections->shoebox_data ) ) != IVAS_ERR_OK )
    1039             :     {
    1040           0 :         return error;
    1041             :     }
    1042             : 
    1043          12 :     if ( ( error = ivas_shoebox_obj_init( &reflections->shoebox_lib ) ) != IVAS_ERR_OK )
    1044             :     {
    1045           0 :         return error;
    1046             :     }
    1047             : 
    1048          12 :     return IVAS_ERR_OK;
    1049             : }
    1050             : 
    1051             : 
    1052             : /*-------------------------------------------------------------------------
    1053             :  * ivas_rend_initCrendWrapper()
    1054             :  *
    1055             :  * Allocate and initialize crend renderer handle
    1056             :  *------------------------------------------------------------------------*/
    1057             : 
    1058        1369 : 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        1369 :     if ( pCrend == NULL )
    1067             :     {
    1068           0 :         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for renderer handle" );
    1069             :     }
    1070             : 
    1071        1369 :     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        1369 :     ( *pCrend )->binaural_latency_ns = 0;
    1077        1369 :     ( *pCrend )->hHrtfCrend = NULL;
    1078             : 
    1079        2738 :     for ( pos_idx = 0; pos_idx < num_poses; pos_idx++ )
    1080             :     {
    1081        1369 :         hCrend = NULL;
    1082        1369 :         if ( ( hCrend = (CREND_HANDLE) malloc( sizeof( CREND_DATA ) ) ) == NULL )
    1083             :         {
    1084           0 :             return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for renderer handle" );
    1085             :         }
    1086             : 
    1087        1369 :         hCrend->lfe_delay_line = NULL;
    1088             : 
    1089       23273 :         for ( i = 0; i < MAX_INTERN_CHANNELS; i++ )
    1090             :         {
    1091       21904 :             hCrend->freq_buffer_re[i] = NULL;
    1092       21904 :             hCrend->freq_buffer_im[i] = NULL;
    1093             :         }
    1094             : 
    1095        4107 :         for ( i = 0; i < BINAURAL_CHANNELS; i++ )
    1096             :         {
    1097        2738 :             hCrend->prev_out_buffer[i] = NULL;
    1098             :         }
    1099             : 
    1100        1369 :         hCrend->freq_buffer_re_diffuse[0] = NULL;
    1101        1369 :         hCrend->freq_buffer_re_diffuse[1] = NULL;
    1102        1369 :         hCrend->freq_buffer_im_diffuse[0] = NULL;
    1103        1369 :         hCrend->freq_buffer_im_diffuse[1] = NULL;
    1104        1369 :         hCrend->hReverb = NULL;
    1105        1369 :         hCrend->reflections = NULL;
    1106        1369 :         hCrend->delay_line_rw_index = 0;
    1107        1369 :         hCrend->diffuse_delay_line_rw_index = 0;
    1108        1369 :         hCrend->hTrack = NULL;
    1109        1369 :         hCrend->m_fYaw = 0;
    1110        1369 :         hCrend->m_fPitch = 0;
    1111        1369 :         hCrend->m_fRoll = 0;
    1112             : 
    1113        1369 :         ( *pCrend )->hCrend[pos_idx] = hCrend;
    1114             :     }
    1115             : 
    1116        1369 :     return IVAS_ERR_OK;
    1117             : }
    1118             : 
    1119             : 
    1120             : /*-------------------------------------------------------------------------
    1121             :  * ivas_rend_openMultiBinCrend()
    1122             :  *
    1123             :  * Allocate and initialize crend renderer handle
    1124             :  *------------------------------------------------------------------------*/
    1125             : 
    1126           0 : ivas_error ivas_rend_openMultiBinCrend(
    1127             :     CREND_WRAPPER_HANDLE *pCrend,
    1128             :     const AUDIO_CONFIG inConfig,
    1129             :     const AUDIO_CONFIG outConfig,
    1130             :     const MULTI_BIN_REND_POSE_DATA *pMultiBinPoseData,
    1131             :     const int32_t output_Fs )
    1132             : {
    1133           0 :     return ivas_rend_openCrend( pCrend, inConfig, outConfig, NULL /*hRendCfg*/, NULL, NULL /* hHrtfStatistics */, output_Fs, 0, pMultiBinPoseData->num_poses );
    1134             : }
    1135             : 
    1136             : 
    1137             : /*-------------------------------------------------------------------------
    1138             :  * ivas_rend_openCrend()
    1139             :  *
    1140             :  * Allocate and initialize crend renderer handle
    1141             :  *------------------------------------------------------------------------*/
    1142             : 
    1143        1369 : ivas_error ivas_rend_openCrend(
    1144             :     CREND_WRAPPER_HANDLE *pCrend,
    1145             :     const AUDIO_CONFIG inConfig,
    1146             :     const AUDIO_CONFIG outConfig,
    1147             :     RENDER_CONFIG_DATA *hRendCfg,
    1148             :     HRTFS_CREND_HANDLE hHrtfCrend,
    1149             :     HRTFS_STATISTICS_HANDLE hHrtfStatistics,
    1150             :     const int32_t output_Fs,
    1151             :     const int16_t ext_rend_flag,
    1152             :     const int16_t num_poses )
    1153             : {
    1154             :     int16_t i, subframe_length;
    1155             :     int32_t max_total_ir_len;
    1156             :     HRTFS_HANDLE hHrtf;
    1157             :     CREND_HANDLE hCrend;
    1158             :     ivas_error error;
    1159             :     int16_t pos_idx;
    1160             : 
    1161        1369 :     error = IVAS_ERR_OK;
    1162             : 
    1163        1369 :     if ( ( error = ivas_rend_initCrendWrapper( pCrend, num_poses ) ) != IVAS_ERR_OK )
    1164             :     {
    1165           0 :         return error;
    1166             :     }
    1167             : 
    1168        1369 :     subframe_length = (int16_t) ( output_Fs / FRAMES_PER_SEC ) / MAX_PARAM_SPATIAL_SUBFRAMES;
    1169             : 
    1170        1369 :     if ( ( *pCrend )->hHrtfCrend == NULL )
    1171             :     {
    1172        1369 :         if ( ( error = ivas_rend_initCrend( *pCrend, inConfig, outConfig, hHrtfCrend, ext_rend_flag, output_Fs ) ) != IVAS_ERR_OK )
    1173             :         {
    1174           0 :             return error;
    1175             :         }
    1176             :     }
    1177             : 
    1178        2738 :     for ( pos_idx = 0; pos_idx < num_poses; pos_idx++ )
    1179             :     {
    1180        1369 :         hCrend = ( *pCrend )->hCrend[pos_idx];
    1181        1369 :         hHrtf = ( *pCrend )->hHrtfCrend;
    1182             : 
    1183        1369 :         if ( hHrtf != NULL )
    1184             :         {
    1185        1369 :             max_total_ir_len = hHrtf->max_num_iterations * subframe_length;
    1186             : 
    1187       13279 :             for ( i = 0; i < hHrtf->max_num_ir; i++ )
    1188             :             {
    1189       11910 :                 if ( ( hCrend->freq_buffer_re[i] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1190             :                 {
    1191           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1192             :                 }
    1193       11910 :                 set_zero_l( hCrend->freq_buffer_re[i], max_total_ir_len );
    1194             : 
    1195       11910 :                 if ( ( hCrend->freq_buffer_im[i] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1196             :                 {
    1197           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1198             :                 }
    1199       11910 :                 set_zero_l( hCrend->freq_buffer_im[i], max_total_ir_len );
    1200             :             }
    1201             : 
    1202        4107 :             for ( i = 0; i < BINAURAL_CHANNELS; i++ )
    1203             :             {
    1204        2738 :                 if ( ( hCrend->prev_out_buffer[i] = (float *) malloc( sizeof( float ) * subframe_length ) ) == NULL )
    1205             :                 {
    1206           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1207             :                 }
    1208        2738 :                 set_zero_l( hCrend->prev_out_buffer[i], subframe_length );
    1209             :             }
    1210             : 
    1211        1369 :             max_total_ir_len = hHrtf->num_iterations_diffuse[0] * subframe_length;
    1212             : 
    1213        1369 :             if ( max_total_ir_len > 0 )
    1214             :             {
    1215         903 :                 if ( ( hCrend->freq_buffer_re_diffuse[0] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1216             :                 {
    1217           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1218             :                 }
    1219         903 :                 if ( hHrtf->same_inv_diffuse_weight == 0 )
    1220             :                 {
    1221           0 :                     if ( ( hCrend->freq_buffer_re_diffuse[1] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1222             :                     {
    1223           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1224             :                     }
    1225             :                 }
    1226             :                 else
    1227             :                 {
    1228         903 :                     hCrend->freq_buffer_re_diffuse[1] = NULL;
    1229             :                 }
    1230         903 :                 set_zero_l( hCrend->freq_buffer_re_diffuse[0], max_total_ir_len );
    1231         903 :                 if ( hCrend->freq_buffer_re_diffuse[1] != NULL )
    1232             :                 {
    1233           0 :                     set_zero_l( hCrend->freq_buffer_re_diffuse[1], max_total_ir_len );
    1234             :                 }
    1235             : 
    1236         903 :                 if ( ( hCrend->freq_buffer_im_diffuse[0] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1237             :                 {
    1238           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1239             :                 }
    1240         903 :                 if ( hHrtf->same_inv_diffuse_weight == 0 )
    1241             :                 {
    1242           0 :                     if ( ( hCrend->freq_buffer_im_diffuse[1] = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1243             :                     {
    1244           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1245             :                     }
    1246             :                 }
    1247             :                 else
    1248             :                 {
    1249         903 :                     hCrend->freq_buffer_im_diffuse[1] = NULL;
    1250             :                 }
    1251         903 :                 set_zero_l( hCrend->freq_buffer_im_diffuse[0], max_total_ir_len );
    1252         903 :                 if ( hCrend->freq_buffer_im_diffuse[1] != NULL )
    1253             :                 {
    1254           0 :                     set_zero_l( hCrend->freq_buffer_im_diffuse[1], max_total_ir_len );
    1255             :                 }
    1256             :             }
    1257             :             else
    1258             :             {
    1259         466 :                 hCrend->freq_buffer_re_diffuse[0] = NULL;
    1260         466 :                 hCrend->freq_buffer_im_diffuse[0] = NULL;
    1261         466 :                 hCrend->freq_buffer_re_diffuse[1] = NULL;
    1262         466 :                 hCrend->freq_buffer_im_diffuse[1] = NULL;
    1263             :             }
    1264             : 
    1265        1369 :             max_total_ir_len = (int16_t) ( hHrtf->latency_s * output_Fs + 0.5f ) + subframe_length;
    1266        1369 :             if ( max_total_ir_len > 0 )
    1267             :             {
    1268        1369 :                 if ( ( hCrend->lfe_delay_line = (float *) malloc( sizeof( float ) * max_total_ir_len ) ) == NULL )
    1269             :                 {
    1270           0 :                     return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend" );
    1271             :                 }
    1272        1369 :                 set_zero_l( hCrend->lfe_delay_line, max_total_ir_len );
    1273             :             }
    1274             :             else
    1275             :             {
    1276           0 :                 hCrend->lfe_delay_line = NULL;
    1277             :             }
    1278             : 
    1279        1369 :             if ( outConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB )
    1280             :             {
    1281         293 :                 if ( ( error = ivas_reverb_open( &( hCrend->hReverb ), hHrtfStatistics, hRendCfg, output_Fs ) ) != IVAS_ERR_OK )
    1282             :                 {
    1283           0 :                     return error;
    1284             :                 }
    1285             : 
    1286         293 :                 if ( hRendCfg->roomAcoustics.use_er == 1 )
    1287             :                 {
    1288             : 
    1289             :                     /* Allocate memory for reflections */
    1290          12 :                     hCrend->reflections = (er_struct_t *) malloc( sizeof( er_struct_t ) );
    1291          12 :                     if ( !hCrend->reflections )
    1292             :                     {
    1293           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Early Reflections" );
    1294             :                     }
    1295          12 :                     if ( ( error = ivas_er_init_handle( hCrend->reflections ) ) != IVAS_ERR_OK )
    1296             :                     {
    1297           0 :                         return error;
    1298             :                     }
    1299             : 
    1300          12 :                     hCrend->reflections->use_er = hRendCfg->roomAcoustics.use_er;
    1301          12 :                     hCrend->reflections->lowComplexity = hRendCfg->roomAcoustics.lowComplexity;
    1302             : 
    1303             :                     /* Set sample rate and frame size */
    1304          12 :                     hCrend->reflections->output_Fs = (float) output_Fs;
    1305          12 :                     hCrend->reflections->max_frame_size = (int16_t) ( output_Fs / FRAMES_PER_SEC );
    1306             : 
    1307             :                     /* Init Shoebox */
    1308          12 :                     ivas_shoebox_config_init( &hCrend->reflections->shoebox_lib.cal, hRendCfg );
    1309             : 
    1310             :                     /* Init and compute Reflections */
    1311          12 :                     if ( ( error = ivas_er_init( hCrend->reflections, inConfig ) ) != IVAS_ERR_OK )
    1312             :                     {
    1313           0 :                         return error;
    1314             :                     }
    1315             :                 }
    1316             :                 else
    1317             :                 {
    1318         281 :                     hCrend->reflections = NULL;
    1319             :                 }
    1320             :             }
    1321             :             else
    1322             :             {
    1323        1076 :                 hCrend->hReverb = NULL;
    1324             :             }
    1325             : 
    1326        1369 :             ( *pCrend )->binaural_latency_ns = (int32_t) ( ( *pCrend )->hHrtfCrend->latency_s * 1000000000.f );
    1327             :         }
    1328             : 
    1329        1369 :         ( *pCrend )->hCrend[pos_idx] = hCrend;
    1330             :     }
    1331             : 
    1332        1369 :     return IVAS_ERR_OK;
    1333             : }
    1334             : 
    1335             : 
    1336             : /*-------------------------------------------------------------------------
    1337             :  * ivas_rend_closeCrend()
    1338             :  *
    1339             :  * Deallocate Crend renderer handle
    1340             :  *------------------------------------------------------------------------*/
    1341             : 
    1342       81421 : void ivas_rend_closeCrend(
    1343             :     CREND_WRAPPER_HANDLE *pCrend,
    1344             :     const int16_t num_poses )
    1345             : {
    1346             :     int16_t i;
    1347             :     int16_t pos_idx;
    1348             :     CREND_HANDLE hCrend;
    1349             : 
    1350       81421 :     if ( pCrend == NULL || *pCrend == NULL )
    1351             :     {
    1352       80052 :         return;
    1353             :     }
    1354             : 
    1355        1369 :     if ( ( *pCrend )->hHrtfCrend != NULL && ( *pCrend )->hHrtfCrend->init_from_rom )
    1356             :     {
    1357        1285 :         ivas_hrtf_close( &( *pCrend )->hHrtfCrend );
    1358             :     }
    1359             : 
    1360        2738 :     for ( pos_idx = 0; pos_idx < num_poses; pos_idx++ )
    1361             :     {
    1362        1369 :         hCrend = ( *pCrend )->hCrend[pos_idx];
    1363        1369 :         if ( hCrend != NULL )
    1364             :         {
    1365       23273 :             for ( i = 0; i < MAX_INTERN_CHANNELS; i++ )
    1366             :             {
    1367       21904 :                 if ( hCrend->freq_buffer_re[i] != NULL )
    1368             :                 {
    1369       11910 :                     free( hCrend->freq_buffer_re[i] );
    1370       11910 :                     hCrend->freq_buffer_re[i] = NULL;
    1371             :                 }
    1372       21904 :                 if ( hCrend->freq_buffer_im[i] != NULL )
    1373             :                 {
    1374       11910 :                     free( hCrend->freq_buffer_im[i] );
    1375       11910 :                     hCrend->freq_buffer_im[i] = NULL;
    1376             :                 }
    1377             :             }
    1378             : 
    1379        4107 :             for ( i = 0; i < BINAURAL_CHANNELS; i++ )
    1380             :             {
    1381        2738 :                 if ( hCrend->prev_out_buffer[i] != NULL )
    1382             :                 {
    1383        2738 :                     free( hCrend->prev_out_buffer[i] );
    1384        2738 :                     hCrend->prev_out_buffer[i] = NULL;
    1385             :                 }
    1386             :             }
    1387             : 
    1388        1369 :             if ( hCrend->lfe_delay_line != NULL )
    1389             :             {
    1390        1369 :                 free( hCrend->lfe_delay_line );
    1391        1369 :                 hCrend->lfe_delay_line = NULL;
    1392             :             }
    1393        1369 :             if ( hCrend->freq_buffer_re_diffuse[0] != NULL )
    1394             :             {
    1395         903 :                 free( hCrend->freq_buffer_re_diffuse[0] );
    1396         903 :                 hCrend->freq_buffer_re_diffuse[0] = NULL;
    1397             :             }
    1398             : 
    1399        1369 :             if ( hCrend->freq_buffer_im_diffuse[0] != NULL )
    1400             :             {
    1401         903 :                 free( hCrend->freq_buffer_im_diffuse[0] );
    1402         903 :                 hCrend->freq_buffer_im_diffuse[0] = NULL;
    1403             :             }
    1404             : 
    1405        1369 :             if ( hCrend->freq_buffer_re_diffuse[1] != NULL )
    1406             :             {
    1407           0 :                 free( hCrend->freq_buffer_re_diffuse[1] );
    1408           0 :                 hCrend->freq_buffer_re_diffuse[1] = NULL;
    1409             :             }
    1410             : 
    1411        1369 :             if ( hCrend->freq_buffer_im_diffuse[1] != NULL )
    1412             :             {
    1413           0 :                 free( hCrend->freq_buffer_im_diffuse[1] );
    1414           0 :                 hCrend->freq_buffer_im_diffuse[1] = NULL;
    1415             :             }
    1416             : 
    1417        1369 :             if ( hCrend->hTrack != NULL )
    1418             :             {
    1419           0 :                 free( hCrend->hTrack );
    1420           0 :                 hCrend->hTrack = NULL;
    1421             :             }
    1422             : 
    1423        1369 :             ivas_reverb_close( &hCrend->hReverb );
    1424             : 
    1425        1369 :             if ( hCrend->reflections != NULL )
    1426             :             {
    1427          12 :                 if ( hCrend->reflections->closest_ch_idx != NULL )
    1428             :                 {
    1429          12 :                     free( hCrend->reflections->closest_ch_idx );
    1430          12 :                     hCrend->reflections->closest_ch_idx = NULL;
    1431             :                 }
    1432             : 
    1433          12 :                 if ( hCrend->reflections->circ_buffers != NULL )
    1434             :                 {
    1435          12 :                     free( hCrend->reflections->circ_buffers );
    1436          12 :                     hCrend->reflections->circ_buffers = NULL;
    1437             :                 }
    1438             : 
    1439          12 :                 free( hCrend->reflections );
    1440          12 :                 hCrend->reflections = NULL;
    1441             :             }
    1442             : 
    1443        1369 :             free( hCrend );
    1444        1369 :             hCrend = NULL;
    1445        1369 :             ( *pCrend )->hCrend[pos_idx] = hCrend;
    1446             :         }
    1447             :     }
    1448             : 
    1449        1369 :     free( *pCrend );
    1450        1369 :     *pCrend = NULL;
    1451             : 
    1452        1369 :     return;
    1453             : }
    1454             : 
    1455             : 
    1456             : /*-------------------------------------------------------------------------
    1457             :  * ivas_rend_closeCldfbRend()
    1458             :  *
    1459             :  * Close CLDFB based fastconv binaural renderer memories
    1460             :  *------------------------------------------------------------------------*/
    1461             : 
    1462           0 : void ivas_rend_closeCldfbRend(
    1463             :     CLDFB_REND_WRAPPER *pCldfbRend )
    1464             : {
    1465           0 :     if ( pCldfbRend->hCldfbRend->hInputSetup != NULL )
    1466             :     {
    1467           0 :         free( pCldfbRend->hCldfbRend->hInputSetup );
    1468           0 :         pCldfbRend->hCldfbRend->hInputSetup = NULL;
    1469             :     }
    1470             : 
    1471           0 :     ivas_binRenderer_close( &pCldfbRend->hCldfbRend );
    1472           0 :     ivas_binaural_hrtf_close( &pCldfbRend->hHrtfFastConv );
    1473           0 :     ivas_HRTF_fastconv_binary_close( &pCldfbRend->hHrtfFastConv );
    1474             : 
    1475           0 :     return;
    1476             : }
    1477             : 
    1478             : 
    1479             : /*-----------------------------------------------------------------------------------------*
    1480             :  * Function ivas_rend_crendConvolver()
    1481             :  *
    1482             :  * Convolver block
    1483             :  *-----------------------------------------------------------------------------------------*/
    1484             : 
    1485     1260030 : static ivas_error ivas_rend_crendConvolver(
    1486             :     const CREND_WRAPPER *pCrend,
    1487             :     AUDIO_CONFIG inConfig,
    1488             :     AUDIO_CONFIG outConfig,
    1489             :     float *pcm_in[],
    1490             :     float *pcm_out[],
    1491             :     const int32_t output_Fs,
    1492             :     const int16_t i_ts,
    1493             :     const int16_t pos_idx )
    1494             : {
    1495             :     int16_t i, j, k, m;
    1496             :     int16_t subframe_length, idx_in;
    1497             :     int16_t lfe_idx_in;
    1498             :     int32_t offset, offset_in, offset_diffuse;
    1499             :     int16_t nchan_in, nchan_out;
    1500             :     const float *pIn;
    1501             :     const float *pFreq_filt_re, *pFreq_filt_im;
    1502     1260030 :     float *pFreq_buf_re = NULL, *pFreq_buf_im = NULL;
    1503     1260030 :     float *pFreq_buf2_re = NULL, *pFreq_buf2_im = NULL;
    1504             :     float pOut[L_FRAME48k * 2];
    1505             :     float tmp_out_re[L_FRAME48k], tmp_out_im[L_FRAME48k];
    1506             :     CREND_HANDLE hCrend;
    1507             :     ivas_error error;
    1508             : 
    1509     1260030 :     hCrend = pCrend->hCrend[pos_idx];
    1510             : 
    1511     1260030 :     if ( ( error = getAudioConfigNumChannels( inConfig, &nchan_in ) ) != IVAS_ERR_OK )
    1512             :     {
    1513           0 :         return error;
    1514             :     }
    1515             : 
    1516     1260030 :     if ( ( error = getAudioConfigNumChannels( outConfig, &nchan_out ) ) != IVAS_ERR_OK )
    1517             :     {
    1518           0 :         return error;
    1519             :     }
    1520             : 
    1521     1260030 :     subframe_length = (int16_t) ( output_Fs / FRAMES_PER_SEC ) / MAX_PARAM_SPATIAL_SUBFRAMES;
    1522             : 
    1523     1260030 :     lfe_idx_in = -1;
    1524     1260030 :     if ( getAudioConfigType( inConfig ) == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED )
    1525             :     {
    1526     1065363 :         if ( inConfig != IVAS_AUDIO_CONFIG_LS_CUSTOM )
    1527             :         {
    1528     1065363 :             lfe_idx_in = LFE_CHANNEL;
    1529             :         }
    1530             :         else
    1531             :         {
    1532           0 :             assert( 0 && "Custom LS not supported in CRend" );
    1533             :         }
    1534             :     }
    1535             : 
    1536     1260030 :     offset = hCrend->delay_line_rw_index * subframe_length;                 /* subframe_length * ( pCrend->hHrtfCrend->max_num_iterations - 1 ); */
    1537     1260030 :     offset_diffuse = hCrend->diffuse_delay_line_rw_index * subframe_length; /* subframe_length *( pCrend->hHrtfCrend->num_iterations_diffuse[0] - 1 ); */
    1538             : 
    1539     1260030 :     if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1540             :     {
    1541      868311 :         set_zero( &hCrend->freq_buffer_re_diffuse[0][offset_diffuse], subframe_length );
    1542      868311 :         set_zero( &hCrend->freq_buffer_im_diffuse[0][offset_diffuse], subframe_length );
    1543      868311 :         if ( pCrend->hHrtfCrend->same_inv_diffuse_weight == 0 )
    1544             :         {
    1545           0 :             set_zero( &hCrend->freq_buffer_re_diffuse[1][offset_diffuse], subframe_length );
    1546           0 :             set_zero( &hCrend->freq_buffer_im_diffuse[1][offset_diffuse], subframe_length );
    1547             :         }
    1548             :     }
    1549             : 
    1550     1260030 :     if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1551             :     {
    1552      868311 :         if ( pCrend->hHrtfCrend->same_inv_diffuse_weight )
    1553             :         {
    1554      868311 :             pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[0][offset_diffuse];
    1555      868311 :             pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[0][offset_diffuse];
    1556             :         }
    1557             :         else
    1558             :         {
    1559           0 :             pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[0][offset_diffuse];
    1560           0 :             pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[0][offset_diffuse];
    1561           0 :             pFreq_buf2_re = &hCrend->freq_buffer_re_diffuse[1][offset_diffuse];
    1562           0 :             pFreq_buf2_im = &hCrend->freq_buffer_im_diffuse[1][offset_diffuse];
    1563             :         }
    1564             :     }
    1565             : 
    1566     1260030 :     i = 0;
    1567    14587066 :     for ( idx_in = 0; idx_in < nchan_in; idx_in++ )
    1568             :     {
    1569    13327036 :         pIn = &pcm_in[idx_in][i_ts * subframe_length];
    1570    13327036 :         if ( idx_in != lfe_idx_in )
    1571             :         {
    1572    12261673 :             if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1573             :             {
    1574     8911821 :                 if ( pCrend->hHrtfCrend->same_inv_diffuse_weight )
    1575             :                 {
    1576     8911821 :                     pFreq_filt_re = &hCrend->freq_buffer_re[i][offset];
    1577     8911821 :                     pFreq_filt_im = &hCrend->freq_buffer_im[i][offset];
    1578             : 
    1579   881724414 :                     for ( k = 0; k < pCrend->hHrtfCrend->index_frequency_max_diffuse; k++ )
    1580             :                     {
    1581   872812593 :                         pFreq_buf_re[k] += pFreq_filt_re[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1582   872812593 :                         pFreq_buf_im[k] += pFreq_filt_im[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1583             :                     }
    1584             :                 }
    1585             :                 else
    1586             :                 {
    1587           0 :                     pFreq_filt_re = &hCrend->freq_buffer_re[i][offset];
    1588           0 :                     pFreq_filt_im = &hCrend->freq_buffer_im[i][offset];
    1589             : 
    1590           0 :                     for ( k = 0; k < pCrend->hHrtfCrend->index_frequency_max_diffuse; k++ )
    1591             :                     {
    1592           0 :                         pFreq_buf_re[k] += pFreq_filt_re[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1593           0 :                         pFreq_buf_im[k] += pFreq_filt_im[k] * pCrend->hHrtfCrend->inv_diffuse_weight[0][i];
    1594           0 :                         pFreq_buf2_re[k] += pFreq_filt_re[k] * pCrend->hHrtfCrend->inv_diffuse_weight[1][i];
    1595           0 :                         pFreq_buf2_im[k] += pFreq_filt_im[k] * pCrend->hHrtfCrend->inv_diffuse_weight[1][i];
    1596             :                     }
    1597             :                 }
    1598             :             }
    1599             : 
    1600    12261673 :             ivas_mdft( pIn, &hCrend->freq_buffer_re[i][offset], &hCrend->freq_buffer_im[i][offset], subframe_length, subframe_length );
    1601    12261673 :             i++;
    1602             :         }
    1603             :     }
    1604             : 
    1605     3780090 :     for ( j = 0; j < nchan_out; j++ )
    1606             :     {
    1607     2520060 :         set_zero( tmp_out_re, subframe_length );
    1608     2520060 :         set_zero( tmp_out_im, subframe_length );
    1609             : 
    1610     2520060 :         i = 0;
    1611    29174132 :         for ( idx_in = 0; idx_in < nchan_in; idx_in++ )
    1612             :         {
    1613    26654072 :             if ( idx_in != lfe_idx_in )
    1614             :             {
    1615    24523346 :                 offset = 0;
    1616   423385654 :                 for ( m = 0; m < pCrend->hHrtfCrend->num_iterations[i][j]; m++ )
    1617             :                 {
    1618   398862308 :                     offset_in = ( hCrend->delay_line_rw_index + pCrend->hHrtfCrend->max_num_iterations - pCrend->hHrtfCrend->num_iterations[i][j] + m + 1 );
    1619   398862308 :                     offset_in = offset_in % ( pCrend->hHrtfCrend->max_num_iterations );
    1620   398862308 :                     offset_in = offset_in * subframe_length;
    1621   398862308 :                     pFreq_buf_re = &hCrend->freq_buffer_re[i][offset_in];
    1622   398862308 :                     pFreq_buf_im = &hCrend->freq_buffer_im[i][offset_in];
    1623   398862308 :                     pFreq_filt_re = &pCrend->hHrtfCrend->pOut_to_bin_re[i][j][offset];
    1624   398862308 :                     pFreq_filt_im = &pCrend->hHrtfCrend->pOut_to_bin_im[i][j][offset];
    1625             : 
    1626 53224752792 :                     for ( k = 0; k < pCrend->hHrtfCrend->pIndex_frequency_max[i][j][m]; k++ )
    1627             :                     {
    1628 52825890484 :                         tmp_out_re[k] += pFreq_buf_re[k] * pFreq_filt_re[k] - pFreq_buf_im[k] * pFreq_filt_im[k];
    1629 52825890484 :                         tmp_out_im[k] += pFreq_buf_re[k] * pFreq_filt_im[k] + pFreq_buf_im[k] * pFreq_filt_re[k];
    1630             :                     }
    1631   398862308 :                     offset = offset + k;
    1632             :                 }
    1633    24523346 :                 i++;
    1634             :             }
    1635             :         }
    1636             : 
    1637     2520060 :         offset = 0;
    1638    71984940 :         for ( m = 0; m < pCrend->hHrtfCrend->num_iterations_diffuse[j]; m++ )
    1639             :         {
    1640    69464880 :             offset_diffuse = ( hCrend->diffuse_delay_line_rw_index + m + 1 );
    1641    69464880 :             offset_diffuse = offset_diffuse % pCrend->hHrtfCrend->num_iterations_diffuse[0];
    1642    69464880 :             offset_diffuse = offset_diffuse * subframe_length;
    1643    69464880 :             if ( pCrend->hHrtfCrend->same_inv_diffuse_weight )
    1644             :             {
    1645    69464880 :                 pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[0][offset_diffuse];
    1646    69464880 :                 pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[0][offset_diffuse];
    1647             :             }
    1648             :             else
    1649             :             {
    1650           0 :                 pFreq_buf_re = &hCrend->freq_buffer_re_diffuse[j][offset_diffuse];
    1651           0 :                 pFreq_buf_im = &hCrend->freq_buffer_im_diffuse[j][offset_diffuse];
    1652             :             }
    1653    69464880 :             pFreq_filt_re = &pCrend->hHrtfCrend->pOut_to_bin_diffuse_re[j][offset];
    1654    69464880 :             pFreq_filt_im = &pCrend->hHrtfCrend->pOut_to_bin_diffuse_im[j][offset];
    1655             : 
    1656  5077239360 :             for ( k = 0; k < pCrend->hHrtfCrend->pIndex_frequency_max_diffuse[j][m]; k++ )
    1657             :             {
    1658  5007774480 :                 tmp_out_re[k] += pFreq_buf_re[k] * pFreq_filt_re[k] - pFreq_buf_im[k] * pFreq_filt_im[k];
    1659  5007774480 :                 tmp_out_im[k] += pFreq_buf_re[k] * pFreq_filt_im[k] + pFreq_buf_im[k] * pFreq_filt_re[k];
    1660             :             }
    1661    69464880 :             offset = offset + k;
    1662             :         }
    1663             : 
    1664     2520060 :         ivas_imdft( tmp_out_re, tmp_out_im, pOut, subframe_length );
    1665             : 
    1666     2520060 :         pFreq_buf_re = &pcm_out[j][i_ts * subframe_length];
    1667   599181660 :         for ( k = 0; k < subframe_length; k++ )
    1668             :         {
    1669   596661600 :             pFreq_buf_re[k] = pOut[k] + hCrend->prev_out_buffer[j][k];
    1670   596661600 :             hCrend->prev_out_buffer[j][k] = pOut[k + subframe_length];
    1671             :         }
    1672             :     }
    1673             : 
    1674     1260030 :     hCrend->delay_line_rw_index++;
    1675     1260030 :     hCrend->delay_line_rw_index = hCrend->delay_line_rw_index % ( pCrend->hHrtfCrend->max_num_iterations );
    1676     1260030 :     if ( pCrend->hHrtfCrend->num_iterations_diffuse[0] > 0 )
    1677             :     {
    1678      868311 :         hCrend->diffuse_delay_line_rw_index++;
    1679      868311 :         hCrend->diffuse_delay_line_rw_index = hCrend->diffuse_delay_line_rw_index % ( pCrend->hHrtfCrend->num_iterations_diffuse[0] );
    1680             :     }
    1681             : 
    1682     1260030 :     return IVAS_ERR_OK;
    1683             : }
    1684             : 
    1685             : 
    1686             : /*-----------------------------------------------------------------------------------------*
    1687             :  * Function ivas_rend_crendProcessSubframe()
    1688             :  *
    1689             :  *
    1690             :  *-----------------------------------------------------------------------------------------*/
    1691             : 
    1692      776642 : ivas_error ivas_rend_crendProcessSubframe(
    1693             :     const CREND_WRAPPER *pCrend,                                /* i/o: Crend wrapper handle                    */
    1694             :     const AUDIO_CONFIG inConfig,                                /* i  : input audio configuration               */
    1695             :     const AUDIO_CONFIG outConfig,                               /* i  : output audio configuration              */
    1696             :     const DECODER_CONFIG_HANDLE hDecoderConfig,                 /* i  : decoder config. structure               */
    1697             :     const COMBINED_ORIENTATION_HANDLE hCombinedOrientationData, /* i  : combined orientation handle             */
    1698             :     const IVAS_OUTPUT_SETUP_HANDLE hIntSetup,                   /* i  : internal setup handle                   */
    1699             :     const EFAP_HANDLE hEFAPdata,                                /* i  : EFAP handle                             */
    1700             :     DECODER_TC_BUFFER_HANDLE hTcBuffer,                         /* i/o: JBM handle                              */
    1701             :     float *input_f[],                                           /* i  : transport channels                      */
    1702             :     float *output[],                                            /* i/o: input/output audio channels             */
    1703             :     const int16_t n_samples_to_render,                          /* i  : output frame length per channel         */
    1704             :     const int32_t output_Fs,                                    /* i  : output sampling rate                    */
    1705             :     const int16_t pos_idx                                       /* i  : pose index                              */
    1706             : )
    1707             : {
    1708             :     int16_t subframe_idx, subframe_len;
    1709             :     int16_t nchan_out, nchan_in, ch, first_sf, last_sf, slot_size, slots_to_render;
    1710             :     float *tc_local[MAX_OUTPUT_CHANNELS];
    1711             :     float pcm_tmp[BINAURAL_CHANNELS][L_FRAME48k];
    1712             :     float *p_pcm_tmp[BINAURAL_CHANNELS];
    1713             :     IVAS_REND_AudioConfigType inConfigType;
    1714             :     ivas_error error;
    1715             :     int8_t combinedOrientationEnabled;
    1716             :     CREND_HANDLE hCrend;
    1717             : 
    1718      776642 :     hCrend = pCrend->hCrend[pos_idx];
    1719             : 
    1720      776642 :     combinedOrientationEnabled = 0;
    1721      776642 :     if ( hCombinedOrientationData != NULL )
    1722             :     {
    1723       29487 :         if ( hCombinedOrientationData->enableCombinedOrientation[0] != 0 )
    1724             :         {
    1725       29487 :             combinedOrientationEnabled = 1;
    1726             :         }
    1727             :     }
    1728             : 
    1729      776642 :     push_wmops( "ivas_rend_crendProcessSubframe" );
    1730      776642 :     inConfigType = getAudioConfigType( inConfig );
    1731             : 
    1732      776642 :     if ( ( error = getAudioConfigNumChannels( outConfig, &nchan_out ) ) != IVAS_ERR_OK )
    1733             :     {
    1734           0 :         return error;
    1735             :     }
    1736             : 
    1737      776642 :     if ( ( error = getAudioConfigNumChannels( inConfig, &nchan_in ) ) != IVAS_ERR_OK )
    1738             :     {
    1739           0 :         return error;
    1740             :     }
    1741             : 
    1742     9010430 :     for ( ch = 0; ch < nchan_in; ch++ )
    1743             :     {
    1744     8233788 :         tc_local[ch] = input_f[ch];
    1745             :     }
    1746             : 
    1747     2329926 :     for ( ch = 0; ch < BINAURAL_CHANNELS; ch++ )
    1748             :     {
    1749     1553284 :         p_pcm_tmp[ch] = pcm_tmp[ch];
    1750             :     }
    1751             : 
    1752      776642 :     if ( hTcBuffer != NULL )
    1753             :     {
    1754      171554 :         slot_size = hTcBuffer->n_samples_granularity;
    1755             : 
    1756             :         /* loop for synthesis, assume we always have to render in multiples of 5ms subframes with spills */
    1757      171554 :         slots_to_render = min( hTcBuffer->num_slots - hTcBuffer->slots_rendered, n_samples_to_render / slot_size );
    1758      171554 :         first_sf = hTcBuffer->subframes_rendered;
    1759      171554 :         last_sf = first_sf;
    1760             : 
    1761      463364 :         while ( slots_to_render > 0 )
    1762             :         {
    1763      291810 :             slots_to_render -= hTcBuffer->subframe_nbslots[last_sf];
    1764      291810 :             last_sf++;
    1765             :         }
    1766      171554 :         subframe_len = -1; /* will be set later */
    1767             :     }
    1768             :     else
    1769             :     {
    1770      605088 :         subframe_len = (int16_t) ( output_Fs / ( FRAMES_PER_SEC * MAX_PARAM_SPATIAL_SUBFRAMES ) );
    1771      605088 :         first_sf = 0;
    1772      605088 :         last_sf = n_samples_to_render / subframe_len;
    1773             :     }
    1774             : 
    1775     2036672 :     for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
    1776             :     {
    1777     1260030 :         if ( hTcBuffer != NULL )
    1778             :         {
    1779      291810 :             subframe_len = hTcBuffer->subframe_nbslots[subframe_idx] * hTcBuffer->n_samples_granularity;
    1780             :         }
    1781             : 
    1782             :         /* Early Reflections */
    1783     1260030 :         if ( hCrend->reflections != NULL )
    1784             :         {
    1785       17400 :             if ( hCrend->reflections->use_er == 1 && hCrend->reflections->is_ready == 1 )
    1786             :             {
    1787       17400 :                 if ( ( error = ivas_er_process( hCrend->reflections, subframe_len, 0, tc_local, inConfig ) ) != IVAS_ERR_OK )
    1788             :                 {
    1789           0 :                     return error;
    1790             :                 }
    1791             :             }
    1792             :         }
    1793             : 
    1794     1260030 :         if ( hDecoderConfig && combinedOrientationEnabled )
    1795             :         {
    1796             :             /* Rotation in SHD for:
    1797             :                     MC with elevation (5_1_2 / 5_1_4 / 7_1_4) -> BINAURAL
    1798             :                     SBA SPAR -> BINAURAL or BINAURAL_ROOM
    1799             :                 */
    1800       50547 :             if ( inConfig == IVAS_AUDIO_CONFIG_FOA || inConfig == IVAS_AUDIO_CONFIG_HOA2 || inConfig == IVAS_AUDIO_CONFIG_HOA3 )
    1801             :             {
    1802        2547 :                 rotateFrame_shd( hCombinedOrientationData, tc_local, subframe_len, *hIntSetup, 0 );
    1803             :             }
    1804             :             /* Rotation in SD for MC -> BINAURAL_ROOM */
    1805       48000 :             else if ( ( hIntSetup != NULL ) && hIntSetup->is_loudspeaker_setup )
    1806             :             {
    1807       48000 :                 rotateFrame_sd( hCombinedOrientationData, tc_local, subframe_len, *hIntSetup, hEFAPdata, 0 );
    1808             :             }
    1809             :         }
    1810             : 
    1811     1260030 :         if ( ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_CHANNEL_BASED ) || ( inConfigType == IVAS_REND_AUDIO_CONFIG_TYPE_AMBISONICS ) )
    1812             :         {
    1813     1260030 :             if ( ( error = ivas_rend_crendConvolver( pCrend, inConfig, outConfig, tc_local, p_pcm_tmp, output_Fs, 0, pos_idx ) ) != IVAS_ERR_OK )
    1814             :             {
    1815           0 :                 return error;
    1816             :             }
    1817             : 
    1818     1260030 :             if ( pCrend->hCrend[0]->hReverb != NULL )
    1819             :             {
    1820      226400 :                 if ( ( error = ivas_reverb_process( pCrend->hCrend[pos_idx]->hReverb, inConfig, 1, tc_local, p_pcm_tmp, 0 ) ) != IVAS_ERR_OK )
    1821             :                 {
    1822           0 :                     return error;
    1823             :                 }
    1824             :             }
    1825             : 
    1826    14587066 :             for ( ch = 0; ch < nchan_in; ch++ )
    1827             :             {
    1828    13327036 :                 tc_local[ch] += subframe_len;
    1829             :             }
    1830     3780090 :             for ( ch = 0; ch < BINAURAL_CHANNELS; ch++ )
    1831             :             {
    1832     2520060 :                 p_pcm_tmp[ch] += subframe_len;
    1833             :             }
    1834             : 
    1835     1260030 :             if ( hTcBuffer != NULL )
    1836             :             {
    1837      291810 :                 hTcBuffer->slots_rendered += hTcBuffer->subframe_nbslots[subframe_idx];
    1838             :             }
    1839             :         }
    1840             :         else
    1841             :         {
    1842           0 :             return IVAS_ERR_INVALID_INPUT_FORMAT;
    1843             :         }
    1844             : 
    1845             :         /* update combined orientation access index */
    1846     1260030 :         ivas_combined_orientation_update_index( hCombinedOrientationData, subframe_len );
    1847             :     }
    1848             : 
    1849             :     /* move to output */
    1850     2329926 :     for ( ch = 0; ch < nchan_out; ch++ )
    1851             :     {
    1852     1553284 :         mvr2r( pcm_tmp[ch], output[ch], n_samples_to_render );
    1853             :     }
    1854             : 
    1855      776642 :     if ( hTcBuffer != NULL )
    1856             :     {
    1857      171554 :         hTcBuffer->subframes_rendered = last_sf;
    1858             :     }
    1859             : 
    1860      776642 :     pop_wmops();
    1861             : 
    1862      776642 :     return IVAS_ERR_OK;
    1863             : }
    1864             : 
    1865             : 
    1866             : /*-----------------------------------------------------------------------------------------*
    1867             :  * Function ivas_rend_crend_ProcessSubframesSplitBin()
    1868             :  *
    1869             :  * Process call for IVAS Crend renderer
    1870             :  *-----------------------------------------------------------------------------------------*/
    1871             : 
    1872           0 : ivas_error ivas_rend_crendProcessSubframesSplitBin(
    1873             :     const CREND_WRAPPER *pCrend,                                /* i/o: Crend wrapper handle                    */
    1874             :     const AUDIO_CONFIG inConfig,                                /* i  : input audio configuration               */
    1875             :     const AUDIO_CONFIG outConfig,                               /* i  : output audio configuration              */
    1876             :     const MULTI_BIN_REND_POSE_DATA *pMultiBinPoseData,          /* i/o: pose correction data handle             */
    1877             :     const DECODER_CONFIG_HANDLE hDecoderConfig,                 /* i  : decoder config. structure               */
    1878             :     const COMBINED_ORIENTATION_HANDLE hCombinedOrientationData, /* i  : combined orientation handle             */
    1879             :     const IVAS_OUTPUT_SETUP_HANDLE hIntSetup,                   /* i  : internal setup handle                   */
    1880             :     const EFAP_HANDLE hEFAPdata,                                /* i  : EFAP handle                             */
    1881             :     DECODER_TC_BUFFER_HANDLE hTcBuffer,                         /* i/o: JBM handle                              */
    1882             :     float *input_f[],                                           /* i  : transport channels                      */
    1883             :     float *output[],                                            /* i/o: input/output audio channels             */
    1884             :     const int16_t n_samples_to_render,                          /* i  : output frame length per channel         */
    1885             :     const int32_t output_Fs                                     /* i  : output sampling rate                    */
    1886             : )
    1887             : {
    1888             :     int16_t i, j;
    1889             :     int16_t sf;
    1890             :     int16_t pos_idx;
    1891             :     ivas_error error;
    1892             :     float gain_lfe;
    1893             :     float tmpLfeBuffer[L_FRAME48k];
    1894             :     int16_t original_subframes_rendered, original_slots_rendered;
    1895             :     float tmpInputBuffer[MAX_OUTPUT_CHANNELS][L_FRAME48k];
    1896             :     float *p_tmpInputBuffer[MAX_OUTPUT_CHANNELS];
    1897             :     float tmpSplitBinBuffer[MAX_OUTPUT_CHANNELS][L_FRAME48k];
    1898             :     COMBINED_ORIENTATION_DATA combinedOrientationDataLocal;
    1899             :     COMBINED_ORIENTATION_HANDLE pCombinedOrientationDataLocal;
    1900             : 
    1901             :     /* save current head positions */
    1902           0 :     pCombinedOrientationDataLocal = hCombinedOrientationData;
    1903           0 :     combinedOrientationDataLocal = *pCombinedOrientationDataLocal;
    1904           0 :     original_subframes_rendered = hTcBuffer->subframes_rendered;
    1905           0 :     original_slots_rendered = hTcBuffer->slots_rendered;
    1906             : 
    1907             :     /* copy input */
    1908           0 :     for ( i = 0; i < hIntSetup->nchan_out_woLFE; ++i )
    1909             :     {
    1910           0 :         mvr2r( input_f[i], tmpInputBuffer[i], n_samples_to_render );
    1911             :     }
    1912             : 
    1913           0 :     for ( i = 0; i < MAX_OUTPUT_CHANNELS; ++i )
    1914             :     {
    1915           0 :         p_tmpInputBuffer[i] = tmpInputBuffer[i];
    1916             :     }
    1917             : 
    1918             :     /* save current head positions */
    1919           0 :     pCombinedOrientationDataLocal = hCombinedOrientationData;
    1920           0 :     combinedOrientationDataLocal = *pCombinedOrientationDataLocal;
    1921           0 :     if ( pMultiBinPoseData->poseCorrectionMode == ISAR_SPLIT_REND_POSE_CORRECTION_MODE_CLDFB )
    1922             :     {
    1923           0 :         for ( sf = 1; sf < hCombinedOrientationData->num_subframes; ++sf )
    1924             :         {
    1925           0 :             combinedOrientationDataLocal.Quaternions[sf] = combinedOrientationDataLocal.Quaternions[0];
    1926           0 :             for ( i = 0; i < 3; i++ )
    1927             :             {
    1928           0 :                 for ( j = 0; j < 3; j++ )
    1929             :                 {
    1930           0 :                     combinedOrientationDataLocal.Rmat[sf][i][j] = combinedOrientationDataLocal.Rmat[0][i][j];
    1931             :                 }
    1932             :             }
    1933             :         }
    1934             :     }
    1935             : 
    1936             :     /* copy LFE to tmpLfeBuffer and apply gain only once */
    1937           0 :     if ( hIntSetup->num_lfe > 0 && hIntSetup->index_lfe[0] != -1 )
    1938             :     {
    1939           0 :         mvr2r( output[hIntSetup->index_lfe[0]], tmpLfeBuffer, n_samples_to_render );
    1940           0 :         gain_lfe = ( ( pCrend != NULL ) && ( pCrend->hHrtfCrend != NULL ) ) ? pCrend->hHrtfCrend->gain_lfe : GAIN_LFE;
    1941           0 :         v_multc( tmpLfeBuffer, gain_lfe, tmpLfeBuffer, n_samples_to_render );
    1942             :     }
    1943             :     else
    1944             :     {
    1945           0 :         set_zero( tmpLfeBuffer, n_samples_to_render );
    1946             :     }
    1947             : 
    1948           0 :     for ( pos_idx = 0; pos_idx < pMultiBinPoseData->num_poses; ++pos_idx )
    1949             :     {
    1950             :         /* Update head positions */
    1951             :         IVAS_QUATERNION Quaternions_orig[MAX_PARAM_SPATIAL_SUBFRAMES], Quaternions_abs;
    1952           0 :         for ( i = 0; i < hCombinedOrientationData->num_subframes; i++ )
    1953             :         {
    1954           0 :             Quaternions_orig[i] = combinedOrientationDataLocal.Quaternions[i];
    1955           0 :             Quaternions_abs.w = -3.0f;
    1956           0 :             Quat2EulerDegree( combinedOrientationDataLocal.Quaternions[i], &Quaternions_abs.z, &Quaternions_abs.y, &Quaternions_abs.x ); /*order in Quat2Euler seems to be reversed ?*/
    1957             : 
    1958           0 :             Quaternions_abs.x += pMultiBinPoseData->relative_head_poses[pos_idx][0];
    1959           0 :             Quaternions_abs.y += pMultiBinPoseData->relative_head_poses[pos_idx][1];
    1960           0 :             Quaternions_abs.z += pMultiBinPoseData->relative_head_poses[pos_idx][2];
    1961           0 :             combinedOrientationDataLocal.Quaternions[i] = Quaternions_abs;
    1962           0 :             QuatToRotMat( combinedOrientationDataLocal.Quaternions[i], combinedOrientationDataLocal.Rmat[i] );
    1963             :         }
    1964             : 
    1965           0 :         pCombinedOrientationDataLocal = &combinedOrientationDataLocal;
    1966             : 
    1967           0 :         hTcBuffer->subframes_rendered = original_subframes_rendered;
    1968           0 :         hTcBuffer->slots_rendered = original_slots_rendered;
    1969             : 
    1970             :         /* update combined orientation access index */
    1971           0 :         ivas_combined_orientation_set_to_start_index( pCombinedOrientationDataLocal );
    1972             : 
    1973           0 :         for ( i = 0; i < 3; i++ )
    1974             :         {
    1975           0 :             mvr2r( hCombinedOrientationData->Rmat_prev[pos_idx][i], pCombinedOrientationDataLocal->Rmat_prev[0][i], 3 );
    1976             :         }
    1977             : 
    1978           0 :         if ( ( error = ivas_rend_crendProcessSubframe( pCrend, inConfig, outConfig, hDecoderConfig, pCombinedOrientationDataLocal,
    1979             :                                                        hIntSetup, hEFAPdata, hTcBuffer, p_tmpInputBuffer, p_tmpInputBuffer, n_samples_to_render, output_Fs, pos_idx ) ) != IVAS_ERR_OK )
    1980             :         {
    1981           0 :             return error;
    1982             :         }
    1983             : 
    1984           0 :         for ( i = 0; i < 3; i++ )
    1985             :         {
    1986           0 :             mvr2r( pCombinedOrientationDataLocal->Rmat_prev[0][i], hCombinedOrientationData->Rmat_prev[pos_idx][i], 3 );
    1987             :         }
    1988             : 
    1989           0 :         for ( i = 0; i < BINAURAL_CHANNELS; ++i )
    1990             :         {
    1991             :             /* accumulate LFE to output */
    1992           0 :             v_add( tmpInputBuffer[i], tmpLfeBuffer, tmpInputBuffer[i], n_samples_to_render );
    1993             : 
    1994             :             /* move to split bin output buffer */
    1995           0 :             mvr2r( tmpInputBuffer[i], tmpSplitBinBuffer[pos_idx * BINAURAL_CHANNELS + i], n_samples_to_render );
    1996             :         }
    1997             : 
    1998             :         /* overwrite rendered channels with input again for next iteration */
    1999           0 :         for ( i = 0; i < hIntSetup->nchan_out_woLFE; ++i )
    2000             :         {
    2001           0 :             mvr2r( input_f[i], tmpInputBuffer[i], n_samples_to_render );
    2002             :         }
    2003             : 
    2004             :         /* restore original headrotation data */
    2005           0 :         for ( i = 0; i < hCombinedOrientationData->num_subframes; i++ )
    2006             :         {
    2007           0 :             combinedOrientationDataLocal.Quaternions[i] = Quaternions_orig[i];
    2008             :         }
    2009             :     }
    2010             : 
    2011             :     /* copy split binaural rendered signals to final output */
    2012           0 :     for ( i = 0; i < BINAURAL_CHANNELS * pMultiBinPoseData->num_poses; ++i )
    2013             :     {
    2014           0 :         mvr2r( tmpSplitBinBuffer[i], output[i], n_samples_to_render );
    2015             :     }
    2016             : 
    2017             :     /* update main combined orientation access index */
    2018           0 :     ivas_combined_orientation_update_index( hCombinedOrientationData, n_samples_to_render );
    2019             : 
    2020           0 :     return IVAS_ERR_OK;
    2021             : }

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