LCOV - code coverage report
Current view: top level - lib_dec - ivas_mct_dec.c (source / functions) Hit Total Coverage
Test: Coverage on main -- short test vectors @ fec202a8f89be4a2f278a9fc377bfb58b58fab11 Lines: 416 471 88.3 %
Date: 2025-09-11 08:49:07 Functions: 6 6 100.0 %

          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 <assert.h>
      34             : #include <stdint.h>
      35             : #include "options.h"
      36             : #include <math.h>
      37             : #include "cnst.h"
      38             : #include "ivas_cnst.h"
      39             : #include "rom_com.h"
      40             : #include "prot.h"
      41             : #include "ivas_prot.h"
      42             : #include "ivas_prot_rend.h"
      43             : #include "ivas_rom_com.h"
      44             : #ifdef DEBUGGING
      45             : #include "debug.h"
      46             : #endif
      47             : #include "wmc_auto.h"
      48             : #ifdef DEBUG_PLOT
      49             : #include "deb_out.h"
      50             : #endif
      51             : 
      52             : 
      53             : /*-----------------------------------------------------------------------*
      54             :  * Local function prototypes
      55             :  *-----------------------------------------------------------------------*/
      56             : 
      57             : static ivas_error ivas_mc_dec_reconfig( Decoder_Struct *st_ivas );
      58             : 
      59             : 
      60             : /*--------------------------------------------------------------------------*
      61             :  * ivas_mct_dec()
      62             :  *
      63             :  * Multi-channel Coding Tool (MCT) decoding routine
      64             :  *--------------------------------------------------------------------------*/
      65             : 
      66      305823 : ivas_error ivas_mct_dec(
      67             :     Decoder_Struct *st_ivas,       /* i/o: IVAS decoder structure          */
      68             :     float *output[],               /* o  : output synthesis signal         */
      69             :     const int16_t output_frame,    /* i  : output frame length per channel */
      70             :     const int16_t nb_bits_metadata /* i  : number of metadata bits         */
      71             : )
      72             : {
      73             :     int16_t n, nCPE, cpe_id;
      74             :     MCT_DEC_HANDLE hMCT;
      75             :     CPE_DEC_HANDLE hCPE;
      76             :     float *x[CPE_CHANNELS][NB_DIV];
      77             :     int16_t param[MCT_MAX_BLOCKS][CPE_CHANNELS][DEC_NPRM_DIV * NB_DIV];
      78             :     int16_t param_lpc[MCT_MAX_BLOCKS][CPE_CHANNELS][NPRM_LPC_NEW];
      79             :     int16_t p_param[MCT_MAX_BLOCKS][CPE_CHANNELS][NB_DIV];
      80             :     int16_t nTnsBitsTCX10[MCT_MAX_BLOCKS][CPE_CHANNELS][NB_DIV];
      81             :     float Aq[MCT_MAX_BLOCKS][CPE_CHANNELS][( NB_SUBFR16k + 1 ) * ( M + 1 )];
      82             :     int16_t fUseTns[MCT_MAX_BLOCKS][CPE_CHANNELS][NB_DIV];
      83             :     STnsData tnsData[MCT_MAX_BLOCKS][CPE_CHANNELS][NB_DIV];
      84             :     Decoder_State **sts;
      85             :     float synth[CPE_CHANNELS][L_FRAME_PLUS];
      86             :     float *p_output_orig[2];
      87             :     float output_lfe_ch[L_FRAME48k];
      88             :     int32_t ivas_total_brate;
      89             :     ivas_error error;
      90             : 
      91      305823 :     push_wmops( "ivas_mct_dec" );
      92             : 
      93      305823 :     error = IVAS_ERR_OK;
      94      305823 :     nCPE = st_ivas->nCPE;
      95      305823 :     hMCT = st_ivas->hMCT;
      96             : 
      97      305823 :     ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
      98             : 
      99      305823 :     if ( st_ivas->ivas_format == MC_FORMAT && ( st_ivas->mc_mode == MC_MODE_MCT || st_ivas->mc_mode == MC_MODE_PARAMUPMIX ) )
     100             :     {
     101             :         /* save LFE channel */
     102       80778 :         mvr2r( output[LFE_CHANNEL], output_lfe_ch, output_frame );
     103             :     }
     104             : 
     105      305823 :     if ( st_ivas->ivas_format == MC_FORMAT && st_ivas->mc_mode == MC_MODE_MCT && !st_ivas->bfi )
     106             :     {
     107             :         /* get the number of channels from the signalled MC LS setup */
     108       77748 :         n = ivas_mc_ls_setup_get_num_channels( ivas_mc_map_output_config_to_mc_ls_setup( st_ivas->transport_config ) );
     109             : 
     110       77748 :         if ( n != st_ivas->nchan_transport )
     111             :         {
     112             :             /* IVAS_fmToDo: more work needed for switching the number of transport channels */
     113           0 :             return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Error: wrong number of transport channels signalled in MC format!" );
     114             :         }
     115             :     }
     116             : 
     117     1122831 :     for ( cpe_id = 0; cpe_id < nCPE; cpe_id++ )
     118             :     {
     119             :         /*initialize param_lpc buffer*/
     120     2451024 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     121             :         {
     122     1634016 :             set_s( param_lpc[cpe_id][n], 0, NPRM_LPC_NEW );
     123             :         }
     124             : 
     125      817008 :         if ( ( error = ivas_cpe_dec( st_ivas, cpe_id, output, output_frame, 0 ) ) != IVAS_ERR_OK )
     126             :         {
     127           0 :             return error;
     128             :         }
     129             : 
     130      817008 :         if ( cpe_id == 0 )
     131             :         {
     132      305823 :             st_ivas->hCPE[0]->hCoreCoder[0]->total_brate = ivas_total_brate; /* set high enough to read the whole side-info; total_brate is rewritten later in ivas_mdct_core_invQ() */
     133             :         }
     134             : 
     135      817008 :         if ( !st_ivas->bfi )
     136             :         {
     137      803883 :             ivas_mdct_dec_side_bits_frame_channel( st_ivas->hCPE[cpe_id], param_lpc[cpe_id], p_param[cpe_id], st_ivas->hCPE[0]->hCoreCoder[0], nTnsBitsTCX10[cpe_id], param[cpe_id], 1,
     138      803883 :                                                    ( ( cpe_id + 1 ) * CPE_CHANNELS > hMCT->nchan_out_woLFE ) );
     139             : 
     140      803883 :             st_ivas->BER_detect |= st_ivas->hCPE[cpe_id]->hCoreCoder[0]->BER_detect;
     141      803883 :             st_ivas->BER_detect |= st_ivas->hCPE[cpe_id]->hCoreCoder[1]->BER_detect;
     142             :         }
     143             :     }
     144             : 
     145             :     /* MCT side bits decoder */
     146      305823 :     ivas_mct_side_bits( hMCT, st_ivas->hCPE, nCPE, st_ivas->hCPE[0]->hCoreCoder[0], st_ivas->bfi, st_ivas->hCPE[0]->hCoreCoder[0]->bit_stream, ivas_total_brate, nb_bits_metadata );
     147             : 
     148             :     /* in case of switching from an SID frame (with ACELP core) to MCT, buffer of L_FRAME_PLUS samples is needed -> use synth[] as a temporary buffer */
     149      305823 :     if ( st_ivas->hCPE[0]->hCoreCoder[0]->last_core == ACELP_CORE )
     150             :     {
     151          27 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     152             :         {
     153          18 :             p_output_orig[n] = output[n];
     154          18 :             output[n] = synth[n];
     155             :         }
     156             :     }
     157             : 
     158     1122831 :     for ( cpe_id = 0; cpe_id < nCPE; cpe_id++ )
     159             :     {
     160      817008 :         st_ivas->hCPE[cpe_id]->hCoreCoder[0]->BER_detect |= st_ivas->BER_detect;
     161      817008 :         st_ivas->hCPE[cpe_id]->hCoreCoder[1]->BER_detect |= st_ivas->BER_detect;
     162             : 
     163     2451024 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     164             :         {
     165     1634016 :             x[n][0] = output[n + cpe_id * CPE_CHANNELS];
     166     1634016 :             x[n][1] = output[n + cpe_id * CPE_CHANNELS] + ( L_FRAME48k / 2 );
     167     1634016 :             set_zero( x[n][0], L_FRAME48k / 2 );
     168     1634016 :             set_zero( x[n][1], L_FRAME48k / 2 );
     169             :         }
     170             : 
     171      817008 :         ivas_mdct_core_invQ( st_ivas->hCPE[cpe_id], nTnsBitsTCX10[cpe_id], p_param[cpe_id], param_lpc[cpe_id], param[cpe_id],
     172      817008 :                              fUseTns[cpe_id], tnsData[cpe_id], x, x, Aq[cpe_id], NULL, 1 );
     173             : 
     174      817008 :         st_ivas->BER_detect |= st_ivas->hCPE[cpe_id]->hCoreCoder[0]->BER_detect;
     175      817008 :         st_ivas->BER_detect |= st_ivas->hCPE[cpe_id]->hCoreCoder[1]->BER_detect;
     176             :     }
     177             : 
     178             :     /* MCT core decoder */
     179      305823 :     ivas_mct_core_dec( hMCT, st_ivas->hCPE, nCPE, output );
     180             : 
     181             :     /* for sba to stereo output disable any further processing for TCs > 2 as it is not needed*/
     182      305823 :     if ( st_ivas->sba_dirac_stereo_flag && st_ivas->ivas_format != SBA_ISM_FORMAT )
     183             :     {
     184       14820 :         for ( cpe_id = 1; cpe_id < nCPE; cpe_id++ )
     185             :         {
     186       22230 :             for ( n = 0; n < CPE_CHANNELS; n++ )
     187             :             {
     188       14820 :                 st_ivas->hCPE[cpe_id]->hCoreCoder[n]->mct_chan_mode = MCT_CHAN_MODE_IGNORE;
     189             :             }
     190             :         }
     191             :     }
     192             : 
     193             :     /* MCT reconstruction and CoreCoder updates */
     194     1122831 :     for ( cpe_id = 0; cpe_id < nCPE; cpe_id++ )
     195             :     {
     196      817008 :         hCPE = st_ivas->hCPE[cpe_id];
     197             : 
     198     2451024 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     199             :         {
     200     1634016 :             x[n][0] = output[n + cpe_id * CPE_CHANNELS];
     201     1634016 :             x[n][1] = output[n + cpe_id * CPE_CHANNELS] + ( L_FRAME48k / 2 );
     202             :         }
     203             : 
     204      817008 :         ivas_mdct_core_tns_ns( hCPE, fUseTns[cpe_id], tnsData[cpe_id], x, Aq[cpe_id], 1 );
     205             :     }
     206             : 
     207      305823 :     if ( st_ivas->renderer_type == RENDERER_MC )
     208             :     {
     209             :         /* Equalization in MDCT Domain */
     210       19509 :         ivas_ls_setup_conversion_process_mdct( st_ivas, output );
     211             :     }
     212             : 
     213      286314 :     else if ( st_ivas->renderer_type == RENDERER_MC_PARAMMC && ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_MONO || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_STEREO ) )
     214             :     {
     215             :         float *x_all[MAX_LS_CHANNELS][NB_DIV];
     216             : 
     217         180 :         for ( cpe_id = 0; cpe_id < nCPE; cpe_id++ )
     218             :         {
     219         360 :             for ( n = 0; n < CPE_CHANNELS; n++ )
     220             :             {
     221         240 :                 x_all[n + cpe_id * CPE_CHANNELS][0] = output[n + cpe_id * CPE_CHANNELS];
     222         240 :                 x_all[n + cpe_id * CPE_CHANNELS][1] = output[n + cpe_id * CPE_CHANNELS] + ( L_FRAME48k / 2 );
     223             :             }
     224             :         }
     225             : 
     226          60 :         ivas_ls_setup_conversion_process_mdct_param_mc( st_ivas, x_all );
     227             :     }
     228             : 
     229     1122831 :     for ( cpe_id = 0; cpe_id < nCPE; cpe_id++ )
     230             :     {
     231      817008 :         hCPE = st_ivas->hCPE[cpe_id];
     232      817008 :         sts = hCPE->hCoreCoder;
     233             : 
     234     2451024 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     235             :         {
     236     1634016 :             x[n][0] = output[n + cpe_id * CPE_CHANNELS];
     237     1634016 :             x[n][1] = output[n + cpe_id * CPE_CHANNELS] + ( L_FRAME48k / 2 );
     238             :         }
     239             : 
     240      817008 :         ivas_mdct_core_reconstruct( hCPE, x, synth, fUseTns[cpe_id], 1 );
     241             : 
     242             :         /* set pointers back */
     243      817008 :         if ( cpe_id == 0 && st_ivas->hCPE[0]->hCoreCoder[0]->last_core == ACELP_CORE )
     244             :         {
     245          27 :             for ( n = 0; n < CPE_CHANNELS; n++ )
     246             :             {
     247          18 :                 output[n] = p_output_orig[n];
     248             :             }
     249             :         }
     250             : 
     251             :         /*----------------------------------------------------------------*
     252             :          * CoreCoder Post-processing and updates
     253             :          *----------------------------------------------------------------*/
     254             : 
     255     2451024 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     256             :         {
     257     1634016 :             if ( st_ivas->sba_dirac_stereo_flag && ( st_ivas->ivas_format != SBA_ISM_FORMAT || cpe_id >= nCPE - 2 ) )
     258             :             {
     259       59268 :                 ivas_post_proc( NULL, hCPE, n, synth[n], NULL, output_frame, 1 );
     260             :             }
     261             : 
     262             :             /* Postprocessing for ACELP/MDCT core switching and synchronization */
     263     1634016 :             if ( ( error = core_switching_post_dec( sts[n], synth[n], output[cpe_id * CPE_CHANNELS + n], hCPE->output_mem[1], 0, output_frame, 0 /*core_switching_flag*/, ( st_ivas->ivas_format != SBA_ISM_FORMAT || cpe_id >= nCPE - 2 ) ? st_ivas->sba_dirac_stereo_flag : 0, -1, hCPE->last_element_mode ) ) != IVAS_ERR_OK )
     264             :             {
     265           0 :                 return error;
     266             :             }
     267             : 
     268             :             /* final output of synthesis signal */
     269     1634016 :             mvr2r( synth[n], output[cpe_id * CPE_CHANNELS + n], output_frame );
     270             : 
     271             :             /* Save synthesis for HQ FEC */
     272     1634016 :             save_synthesis_hq_fec( sts[n], output[cpe_id * CPE_CHANNELS + n], output_frame, hCPE );
     273             : 
     274             :             /* CoreCoder common updates */
     275     1634016 :             updt_dec_common( sts[n], NORMAL_HQ_CORE, -1, output[cpe_id * CPE_CHANNELS + n] );
     276             : 
     277             : #ifdef DEBUG_PLOT
     278             :             sendDebout( "mct_synth", output_frame, 1, "aftPostPro", MTV_FLOAT, output[cpe_id * CPE_CHANNELS + n] );
     279             : #endif
     280             :         } /* n_channels loop */
     281             : 
     282             :         /* synthesis synchronization between stereo modes */
     283      817008 :         if ( !st_ivas->sba_dirac_stereo_flag || ( st_ivas->ivas_format == SBA_ISM_FORMAT && cpe_id < nCPE - 2 ) )
     284             :         {
     285      787374 :             synchro_synthesis( ivas_total_brate, hCPE, output + cpe_id * CPE_CHANNELS, output_frame, 0 );
     286             :         }
     287             : 
     288             : #ifdef DEBUG_PLOT
     289             :         for ( n = 0; n < CPE_CHANNELS; n++ )
     290             :         {
     291             :             setDeboutVars( -1, -1, n, cpe_id );
     292             :             sendDebout( "mct_synth", output_frame, 1, "aftSynchro", MTV_FLOAT, output[cpe_id * CPE_CHANNELS + n] );
     293             :         }
     294             : #endif
     295             :     }
     296             : 
     297             :     /* move channels after LFE to correct output for multi-channel MCT */
     298      305823 :     if ( st_ivas->ivas_format == MC_FORMAT && ( st_ivas->mc_mode == MC_MODE_MCT || st_ivas->mc_mode == MC_MODE_PARAMUPMIX ) )
     299             :     {
     300             :         float tmp[L_FRAME48k];
     301             : 
     302             :         /*save center channel output*/
     303       80778 :         mvr2r( output[hMCT->nchan_out_woLFE - 1], tmp, output_frame );
     304             : 
     305      286242 :         for ( n = hMCT->nchan_out_woLFE - 1; n >= LFE_CHANNEL; n-- )
     306             :         {
     307      205464 :             mvr2r( output[n - 1], output[n + 1], output_frame );
     308             :         }
     309       80778 :         mvr2r( tmp, output[LFE_CHANNEL - 1], output_frame );
     310             : 
     311             :         /* save LFE channel */
     312       80778 :         mvr2r( output_lfe_ch, output[LFE_CHANNEL], output_frame );
     313             :     }
     314             : 
     315             : #ifdef DEBUG_MODE_INFO
     316             :     for ( cpe_id = 0; cpe_id < nCPE; cpe_id++ )
     317             :     {
     318             :         float tmpF = st_ivas->hCPE[cpe_id]->element_brate / 1000.0f;
     319             :         dbgwrite( &tmpF, sizeof( float ), 1, output_frame, fname( debug_dir, "element_brate", 0, cpe_id, DEC ) );
     320             : 
     321             :         dbgwrite( output[0], sizeof( float ), output_frame, 1, fname( debug_dir, "output.mct", 0, cpe_id, DEC ) );
     322             :         tmpF = 0;
     323             :         dbgwrite( &tmpF, sizeof( float ), 1, output_frame, fname( debug_dir, "output.sce", 0, cpe_id, DEC ) );
     324             :         dbgwrite( &tmpF, sizeof( float ), 1, output_frame, fname( debug_dir, "output.cpe", 0, cpe_id, DEC ) );
     325             :     }
     326             : #endif
     327             : 
     328      305823 :     pop_wmops();
     329      305823 :     return error;
     330             : }
     331             : 
     332             : 
     333             : /*-------------------------------------------------------------------------
     334             :  * create_mct_dec()
     335             :  *
     336             :  * Create, allocate and initialize IVAS decoder MCT handle
     337             :  *-------------------------------------------------------------------------*/
     338             : 
     339        2847 : ivas_error create_mct_dec(
     340             :     Decoder_Struct *st_ivas /* i/o: IVAS decoder structure  */
     341             : )
     342             : {
     343             :     MCT_DEC_HANDLE hMCT;
     344             :     int16_t n;
     345             :     int32_t cp_bitrate;
     346             :     int16_t max_blocks;
     347             :     int16_t cpe_id;
     348             : 
     349             :     /*---------------------------------------------------------   --------*
     350             :      * Allocate MCT handle
     351             :      *-----------------------------------------------------------------*/
     352             : 
     353        2847 :     if ( ( hMCT = (MCT_DEC_HANDLE) malloc( sizeof( MCT_DEC_DATA ) ) ) == NULL )
     354             :     {
     355           0 :         return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for CPE\n" ) );
     356             :     }
     357             : 
     358             :     /*-----------------------------------------------------------------*
     359             :      * Allocate MCT BlockData handles
     360             :      *-----------------------------------------------------------------*/
     361             : 
     362             :     /* Determine active channels */
     363        2847 :     if ( ( st_ivas->ivas_format == MC_FORMAT && st_ivas->mc_mode == MC_MODE_PARAMMC ) || st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
     364             :     {
     365        1797 :         hMCT->nchan_out_woLFE = st_ivas->nchan_transport;
     366        1797 :         if ( st_ivas->ism_mode == ISM_SBA_MODE_DISC )
     367             :         {
     368         564 :             hMCT->nchan_out_woLFE += st_ivas->nchan_ism;
     369             :         }
     370             :     }
     371        1050 :     else if ( st_ivas->mc_mode == MC_MODE_MCT )
     372             :     {
     373        1017 :         hMCT->nchan_out_woLFE = st_ivas->nchan_transport - st_ivas->hTransSetup.num_lfe;
     374             :     }
     375          33 :     else if ( st_ivas->ivas_format == MC_FORMAT && st_ivas->mc_mode == MC_MODE_PARAMUPMIX )
     376             :     {
     377          33 :         hMCT->nchan_out_woLFE = st_ivas->nchan_transport - st_ivas->hTransSetup.num_lfe;
     378             :     }
     379             :     else
     380             :     {
     381           0 :         assert( !"IVAS format currently not supported for MCT" );
     382             :     }
     383             : 
     384        2847 :     cp_bitrate = st_ivas->hDecoderConfig->ivas_total_brate / hMCT->nchan_out_woLFE * CPE_CHANNELS;
     385             : 
     386        2847 :     if ( st_ivas->ism_mode == ISM_SBA_MODE_DISC )
     387             :     {
     388         564 :         cp_bitrate = st_ivas->hDecoderConfig->ivas_total_brate / st_ivas->nchan_transport * CPE_CHANNELS;
     389             :     }
     390             : 
     391             :     /* indicate LFE for appropriate core-coder channel */
     392       10902 :     for ( cpe_id = 0; cpe_id < st_ivas->nCPE; cpe_id++ )
     393             :     {
     394       24165 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     395             :         {
     396       16110 :             st_ivas->hCPE[cpe_id]->hCoreCoder[n]->mct_chan_mode = MCT_CHAN_MODE_REGULAR;
     397             :         }
     398             :     }
     399             : 
     400             :     /* in case we have an uneven number of transport channels, indicate last channel ID as inactive */
     401        2847 :     if ( hMCT->nchan_out_woLFE % 2 )
     402             :     {
     403        2070 :         st_ivas->hCPE[st_ivas->nCPE - 1]->hCoreCoder[1]->mct_chan_mode = MCT_CHAN_MODE_IGNORE;
     404             :     }
     405             : 
     406             :     /*Initialize MCT block data */
     407        2847 :     max_blocks = hMCT->nchan_out_woLFE / 2;
     408             : 
     409        8832 :     for ( n = 0; n < max_blocks; n++ )
     410             :     {
     411        5985 :         if ( ( hMCT->hBlockData[n] = (MCT_DEC_BLOCK_DATA_HANDLE) malloc( sizeof( MCT_DEC_BLOCK_DATA ) ) ) == NULL )
     412             :         {
     413           0 :             return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for MCT block data structure\n" ) );
     414             :         }
     415             : 
     416             :         /*Initialize all parameters to zero*/
     417        5985 :         hMCT->hBlockData[n]->ch1 = 0;
     418        5985 :         hMCT->hBlockData[n]->ch2 = 0;
     419             : 
     420             :         /*-----------------------------------------------------------------*
     421             :          * MDCT stereo initialization
     422             :          *-----------------------------------------------------------------*/
     423             : 
     424        5985 :         if ( ( hMCT->hBlockData[n]->hStereoMdct = (STEREO_MDCT_DEC_DATA_HANDLE) malloc( sizeof( STEREO_MDCT_DEC_DATA ) ) ) == NULL )
     425             :         {
     426           0 :             return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for MDCT Stereo \n" ) );
     427             :         }
     428             : 
     429        5985 :         initMdctStereoDecData( hMCT->hBlockData[n]->hStereoMdct, st_ivas->hCPE[0]->hCoreCoder[0]->igf, st_ivas->hCPE[0]->hCoreCoder[0]->hIGFDec->igfData.igfInfo.grid, cp_bitrate, SWB );
     430        5985 :         hMCT->hBlockData[n]->hStereoMdct->use_itd = 0;
     431        5985 :         hMCT->hBlockData[n]->hStereoMdct->reverse_dmx = 0;
     432        5985 :         hMCT->hBlockData[n]->hStereoMdct->smooth_ratio = 1.f;
     433             :     }
     434       13944 :     for ( ; n < MCT_MAX_BLOCKS; n++ )
     435             :     {
     436       11097 :         hMCT->hBlockData[n] = NULL;
     437             :     }
     438             : 
     439             :     /*-----------------------------------------------------------------*
     440             :      * Initializations
     441             :      *-----------------------------------------------------------------*/
     442             : 
     443        2847 :     hMCT->currBlockDataCnt = 0;
     444             : 
     445             :     /*Initialize bits required to signal channel-pair index*/
     446        2847 :     hMCT->bitsChannelPairIndex = max( 1, (int16_t) ( floorf( ( logf( (float) hMCT->nchan_out_woLFE * ( hMCT->nchan_out_woLFE - 1 ) / 2 - 1 ) * INV_LOG_2 ) ) + 1 ) );
     447             : 
     448        2847 :     set_s( hMCT->chBitRatios, 0, MCT_MAX_CHANNELS );
     449        2847 :     set_s( hMCT->lowE_ch, 0, MCT_MAX_CHANNELS );
     450             : 
     451        2847 :     st_ivas->hMCT = hMCT;
     452             : 
     453        2847 :     return IVAS_ERR_OK;
     454             : }
     455             : 
     456             : 
     457             : /*-------------------------------------------------------------------------
     458             :  * mct_dec_reconfigure()
     459             :  *
     460             :  * Reconfigure IVAS decoder MCT handle
     461             :  *-------------------------------------------------------------------------*/
     462             : 
     463        1338 : ivas_error mct_dec_reconfigure(
     464             :     Decoder_Struct *st_ivas,      /* i/o: IVAS decoder structure                  */
     465             :     const uint16_t b_nchan_change /* i  : flag indicating different channel count */
     466             : )
     467             : {
     468             :     MCT_DEC_HANDLE hMCT;
     469             :     Decoder_State *st;
     470             :     int16_t n, cpe_id, max_blocks;
     471             :     int32_t cp_bitrate;
     472             : 
     473        1338 :     hMCT = st_ivas->hMCT;
     474             : 
     475             :     /*-----------------------------------------------------------------*
     476             :      * Allocate and initialize MCT BlockData handles
     477             :      *-----------------------------------------------------------------*/
     478             : 
     479        1338 :     if ( b_nchan_change )
     480             :     {
     481             :         /* Determine active channels */
     482         471 :         if ( ( st_ivas->ivas_format == MC_FORMAT && st_ivas->mc_mode == MC_MODE_PARAMMC ) || st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
     483             :         {
     484         447 :             hMCT->nchan_out_woLFE = st_ivas->nchan_transport;
     485         447 :             if ( st_ivas->ism_mode == ISM_SBA_MODE_DISC )
     486             :             {
     487         156 :                 hMCT->nchan_out_woLFE += st_ivas->nchan_ism;
     488             :             }
     489             :         }
     490          24 :         else if ( st_ivas->mc_mode == MC_MODE_MCT )
     491             :         {
     492          21 :             hMCT->nchan_out_woLFE = st_ivas->nchan_transport - st_ivas->hTransSetup.num_lfe;
     493             :         }
     494           3 :         else if ( st_ivas->ivas_format == MC_FORMAT && st_ivas->mc_mode == MC_MODE_PARAMUPMIX )
     495             :         {
     496           3 :             hMCT->nchan_out_woLFE = st_ivas->nchan_transport - st_ivas->hTransSetup.num_lfe;
     497             :         }
     498             :         else
     499             :         {
     500           0 :             assert( !"IVAS format currently not supported for MCT" );
     501             :         }
     502             :     }
     503             : 
     504             :     /* indicate LFE for appropriate core-coder channel */
     505        5070 :     for ( cpe_id = 0; cpe_id < st_ivas->nCPE; cpe_id++ )
     506             :     {
     507       11196 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     508             :         {
     509        7464 :             st_ivas->hCPE[cpe_id]->hCoreCoder[n]->mct_chan_mode = MCT_CHAN_MODE_REGULAR;
     510             :         }
     511             :     }
     512             : 
     513             :     /* in case we have an uneven number of transport channels, indicate last channel ID as inactive */
     514        1338 :     if ( hMCT->nchan_out_woLFE % 2 )
     515             :     {
     516        1050 :         st_ivas->hCPE[st_ivas->nCPE - 1]->hCoreCoder[1]->mct_chan_mode = MCT_CHAN_MODE_IGNORE;
     517             :     }
     518             : 
     519        1338 :     cp_bitrate = st_ivas->hDecoderConfig->ivas_total_brate / hMCT->nchan_out_woLFE * CPE_CHANNELS;
     520        1338 :     if ( st_ivas->ism_mode == ISM_SBA_MODE_DISC )
     521             :     {
     522         258 :         cp_bitrate = st_ivas->hDecoderConfig->ivas_total_brate / st_ivas->nchan_transport * CPE_CHANNELS;
     523             :     }
     524             : 
     525             :     /* set correct nominal bitrates and igf config already here, otherwise we
     526             :      * run into a number of problems */
     527        5070 :     for ( cpe_id = 0; cpe_id < st_ivas->nCPE; cpe_id++ )
     528             :     {
     529        3732 :         st_ivas->hCPE[cpe_id]->element_brate = cp_bitrate;
     530       11196 :         for ( n = 0; n < CPE_CHANNELS; n++ )
     531             :         {
     532        7464 :             st = st_ivas->hCPE[cpe_id]->hCoreCoder[n];
     533             : 
     534        7464 :             st->total_brate = st_ivas->hCPE[cpe_id]->element_brate;
     535             : 
     536        7464 :             if ( st->mct_chan_mode != MCT_CHAN_MODE_IGNORE )
     537             :             {
     538        6414 :                 st->bits_frame_nominal = (int16_t) ( st_ivas->hCPE[cpe_id]->element_brate / FRAMES_PER_SEC );
     539        6414 :                 st->igf = getIgfPresent( st->element_mode, st->bits_frame_nominal * FRAMES_PER_SEC, st->bwidth, st->rf_flag );
     540        6414 :                 if ( st->igf )
     541             :                 {
     542        3741 :                     IGFDecSetMode( st->hIGFDec, st_ivas->hCPE[cpe_id]->element_brate, st->bwidth, st->element_mode, -1, -1, st->rf_flag );
     543             :                 }
     544             :             }
     545             :         }
     546             :     }
     547             : 
     548             :     /*Initialize MCT block data */
     549        1338 :     max_blocks = hMCT->nchan_out_woLFE / CPE_CHANNELS;
     550             : 
     551        4020 :     for ( n = 0; n < max_blocks; n++ )
     552             :     {
     553        2682 :         if ( b_nchan_change )
     554             :         {
     555        1005 :             if ( hMCT->hBlockData[n] == NULL )
     556             :             {
     557         321 :                 if ( ( hMCT->hBlockData[n] = (MCT_DEC_BLOCK_DATA_HANDLE) malloc( sizeof( MCT_BLOCK_DATA ) ) ) == NULL )
     558             :                 {
     559           0 :                     return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for MCT block data structure\n" ) );
     560             :                 }
     561             : 
     562             :                 /*Initialize all parameters to zero*/
     563         321 :                 hMCT->hBlockData[n]->ch1 = 0;
     564         321 :                 hMCT->hBlockData[n]->ch2 = 0;
     565             : 
     566             :                 /* MDCT stereo initialization */
     567         321 :                 if ( ( hMCT->hBlockData[n]->hStereoMdct = (STEREO_MDCT_DEC_DATA_HANDLE) malloc( sizeof( STEREO_MDCT_ENC_DATA ) ) ) == NULL )
     568             :                 {
     569           0 :                     return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for MDCT Stereo \n" ) );
     570             :                 }
     571             :             }
     572             :         }
     573             : 
     574        2682 :         initMdctStereoDecData( hMCT->hBlockData[n]->hStereoMdct, st_ivas->hCPE[0]->hCoreCoder[0]->igf, st_ivas->hCPE[0]->hCoreCoder[0]->hIGFDec->igfData.igfInfo.grid, cp_bitrate, st_ivas->hCPE[0]->hCoreCoder[0]->bwidth );
     575        2682 :         hMCT->hBlockData[n]->hStereoMdct->use_itd = 0;
     576             :     }
     577             : 
     578        6684 :     for ( ; n < MCT_MAX_BLOCKS; n++ )
     579             :     {
     580             :         /* deallocate no longer needed blocks */
     581        5346 :         if ( hMCT->hBlockData[n] != NULL )
     582             :         {
     583         297 :             if ( hMCT->hBlockData[n]->hStereoMdct != NULL )
     584             :             {
     585         297 :                 free( hMCT->hBlockData[n]->hStereoMdct );
     586         297 :                 hMCT->hBlockData[n]->hStereoMdct = NULL;
     587             :             }
     588             : 
     589         297 :             free( hMCT->hBlockData[n] );
     590         297 :             hMCT->hBlockData[n] = NULL;
     591             :         }
     592             :     }
     593             : 
     594             :     /*-----------------------------------------------------------------*
     595             :      * Initializations
     596             :      *-----------------------------------------------------------------*/
     597             : 
     598        1338 :     if ( b_nchan_change )
     599             :     {
     600         471 :         hMCT->currBlockDataCnt = 0;
     601             : 
     602             :         /*Initialize bits required to signal channel-pair index*/
     603         471 :         hMCT->bitsChannelPairIndex = max( 1, (int16_t) ( floorf( ( logf( (float) hMCT->nchan_out_woLFE * ( hMCT->nchan_out_woLFE - 1 ) / 2 - 1 ) * INV_LOG_2 ) ) + 1 ) );
     604             : 
     605         471 :         set_s( hMCT->chBitRatios, 0, MCT_MAX_CHANNELS );
     606         471 :         set_s( hMCT->lowE_ch, 0, MCT_MAX_CHANNELS );
     607             :     }
     608             : 
     609        1338 :     return IVAS_ERR_OK;
     610             : }
     611             : 
     612             : 
     613             : /*-------------------------------------------------------------------------
     614             :  * create_mct_dec_close()
     615             :  *
     616             :  * Close IVAS decoder MCT handle
     617             :  *-------------------------------------------------------------------------*/
     618             : 
     619        4197 : void ivas_mct_dec_close(
     620             :     MCT_DEC_HANDLE *hMCT /* i/o: MCT decoder structure       */
     621             : )
     622             : {
     623             :     int16_t n, maxBlocks;
     624             : 
     625        4197 :     if ( hMCT == NULL || *hMCT == NULL )
     626             :     {
     627        1350 :         return;
     628             :     }
     629             : 
     630        2847 :     maxBlocks = ( *hMCT )->nchan_out_woLFE / 2;
     631             : 
     632        8856 :     for ( n = 0; n < maxBlocks; n++ )
     633             :     {
     634        6009 :         if ( ( *hMCT )->hBlockData[n] != NULL )
     635             :         {
     636        6009 :             if ( ( *hMCT )->hBlockData[n]->hStereoMdct != NULL )
     637             :             {
     638        6009 :                 free( ( *hMCT )->hBlockData[n]->hStereoMdct );
     639        6009 :                 ( *hMCT )->hBlockData[n]->hStereoMdct = NULL;
     640             :             }
     641             : 
     642        6009 :             free( ( *hMCT )->hBlockData[n] );
     643        6009 :             ( *hMCT )->hBlockData[n] = NULL;
     644             :         }
     645             :     }
     646             : 
     647        2847 :     free( *hMCT );
     648        2847 :     *hMCT = NULL;
     649             : 
     650        2847 :     return;
     651             : }
     652             : 
     653             : 
     654             : /*-------------------------------------------------------------------------
     655             :  * ivas_mc_dec_config()
     656             :  *
     657             :  * - read transported MC LS setup
     658             :  * - select MC format mode
     659             :  * - reconfigure the MC format decoder
     660             :  *-------------------------------------------------------------------------*/
     661             : 
     662             : /*! r : MC format mode */
     663      145380 : ivas_error ivas_mc_dec_config(
     664             :     Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure                */
     665             :     const int16_t idx        /* i  : LS config. index                      */
     666             : )
     667             : {
     668             :     AUDIO_CONFIG signaled_config;
     669             :     MC_MODE last_mc_mode;
     670             :     ivas_error error;
     671             : 
     672             :     /* store last frame MC mode */
     673      145380 :     last_mc_mode = st_ivas->mc_mode;
     674             : 
     675      145380 :     if ( !st_ivas->bfi )
     676             :     {
     677             :         /* set transported MC LS setup */
     678      145380 :         signaled_config = ivas_mc_map_ls_setup_to_output_config( idx );
     679             : 
     680      145380 :         if ( st_ivas->ini_frame == 0 )
     681             :         {
     682         246 :             st_ivas->transport_config = signaled_config;
     683             :         }
     684      145134 :         else if ( st_ivas->transport_config != signaled_config )
     685             :         {
     686             : #ifdef DEBUGGING
     687             :             fprintf( stderr, "\nError: Switching of MC configurations is not supported!\n" );
     688             : #endif
     689           0 :             return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "wrong MC configuration signalled!" );
     690             :         }
     691             : 
     692             :         /* select MC format mode */
     693      145380 :         st_ivas->mc_mode = ivas_mc_mode_select( ivas_mc_map_output_config_to_mc_ls_setup( signaled_config ), st_ivas->hDecoderConfig->ivas_total_brate );
     694             : 
     695             :         /* MC format switching */
     696      145380 :         if ( st_ivas->ini_frame != 0 )
     697             :         {
     698      145134 :             if ( st_ivas->hDecoderConfig->last_ivas_total_brate != st_ivas->hDecoderConfig->ivas_total_brate || last_mc_mode != st_ivas->mc_mode )
     699             :             {
     700        3234 :                 if ( ( error = ivas_mc_dec_reconfig( st_ivas ) ) != IVAS_ERR_OK )
     701             :                 {
     702           0 :                     return error;
     703             :                 }
     704             :             }
     705             :         }
     706             : 
     707      145380 :         st_ivas->transport_config = signaled_config;
     708             :     }
     709             : 
     710      145380 :     return IVAS_ERR_OK;
     711             : }
     712             : 
     713             : 
     714             : /*-------------------------------------------------------------------------
     715             :  * ivas_mc_dec_reconfig()
     716             :  *
     717             :  * reconfigure the MC format decoder
     718             :  *-------------------------------------------------------------------------*/
     719             : 
     720        3234 : static ivas_error ivas_mc_dec_reconfig(
     721             :     Decoder_Struct *st_ivas /* i/o: IVAS decoder structure      */
     722             : )
     723             : {
     724             :     int16_t nchan_transport_old, nSCE_old, nCPE_old, sba_dirac_stereo_flag_old, nchan_hp20_old;
     725             :     int16_t numCldfbAnalyses_old, numCldfbSyntheses_old;
     726             :     int32_t new_brate_SCE, new_brate_CPE, ivas_total_brate;
     727             :     RENDERER_TYPE renderer_type_old;
     728             :     Decoder_State *st;
     729             :     ivas_error error;
     730             :     MC_MODE mc_mode, last_mc_mode;
     731             :     TC_BUFFER_MODE tc_buffer_mode_new;
     732             :     int16_t tc_nchan_tc_new;
     733             :     int16_t tc_nchan_allocate_new;
     734             :     int16_t tc_granularity_new;
     735             :     int16_t nchan_out_buff;
     736             : 
     737        3234 :     ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
     738        3234 :     nchan_transport_old = st_ivas->nchan_transport;
     739        3234 :     last_mc_mode = ivas_mc_mode_select( ivas_mc_map_output_config_to_mc_ls_setup( st_ivas->transport_config ), st_ivas->hDecoderConfig->last_ivas_total_brate ); /* NB: this assumes that LS config remains the same between frames */
     740             : 
     741             :     /* temporally set the current mc_mode back to the previous one to make sure the following call to
     742             :        ivas_init_dec_get_num_cldfb_instances() returns the correct counts */
     743        3234 :     mc_mode = st_ivas->mc_mode;
     744        3234 :     st_ivas->mc_mode = last_mc_mode;
     745        3234 :     ivas_init_dec_get_num_cldfb_instances( st_ivas, &numCldfbAnalyses_old, &numCldfbSyntheses_old );
     746        3234 :     st_ivas->mc_mode = mc_mode;
     747             : 
     748        3234 :     nSCE_old = st_ivas->nSCE;
     749        3234 :     nCPE_old = st_ivas->nCPE;
     750        3234 :     sba_dirac_stereo_flag_old = st_ivas->sba_dirac_stereo_flag;
     751             : 
     752             :     /* special handling needed for the hp20 buffers for McMASA */
     753        3234 :     if ( last_mc_mode == MC_MODE_MCMASA )
     754             :     {
     755         846 :         nchan_hp20_old = getNumChanSynthesis( st_ivas );
     756             :     }
     757             :     else
     758             :     {
     759        2388 :         nchan_hp20_old = nchan_transport_old;
     760             :     }
     761        3234 :     st_ivas->sba_dirac_stereo_flag = ivas_get_sba_dirac_stereo_flag( st_ivas );
     762             : 
     763             :     /* renderer might have changed, reselect */
     764        3234 :     renderer_type_old = st_ivas->renderer_type;
     765        3234 :     ivas_renderer_select( st_ivas );
     766             : 
     767             :     /* side effect of the renderer selection can be a changed internal config */
     768        3234 :     ivas_output_init( &( st_ivas->hIntSetup ), st_ivas->intern_config );
     769             : 
     770             :     /* transfer subframe info from DirAC or ParamMC to central tc buffer */
     771        3234 :     if ( st_ivas->hTcBuffer->tc_buffer_mode != TC_BUFFER_MODE_BUFFER )
     772             :     {
     773        3132 :         if ( last_mc_mode == MC_MODE_PARAMMC )
     774             :         {
     775         993 :             st_ivas->hTcBuffer->nb_subframes = st_ivas->hParamMC->nb_subframes;
     776         993 :             st_ivas->hTcBuffer->subframes_rendered = st_ivas->hParamMC->subframes_rendered;
     777         993 :             st_ivas->hTcBuffer->num_slots = st_ivas->hParamMC->num_slots;
     778         993 :             st_ivas->hTcBuffer->slots_rendered = st_ivas->hParamMC->slots_rendered;
     779         993 :             mvs2s( st_ivas->hParamMC->subframe_nbslots, st_ivas->hTcBuffer->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
     780             :         }
     781        2139 :         else if ( last_mc_mode == MC_MODE_MCMASA && st_ivas->hSpatParamRendCom != NULL )
     782             :         {
     783         819 :             st_ivas->hTcBuffer->nb_subframes = st_ivas->hSpatParamRendCom->nb_subframes;
     784         819 :             st_ivas->hTcBuffer->subframes_rendered = st_ivas->hSpatParamRendCom->subframes_rendered;
     785         819 :             st_ivas->hTcBuffer->num_slots = st_ivas->hSpatParamRendCom->num_slots;
     786         819 :             st_ivas->hTcBuffer->slots_rendered = st_ivas->hSpatParamRendCom->slots_rendered;
     787         819 :             mvs2s( st_ivas->hSpatParamRendCom->subframe_nbslots, st_ivas->hTcBuffer->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
     788             :         }
     789             :     }
     790             : 
     791             : #ifdef NONBE_1321_JBM_ASSERT_BITRATE_SWITCHING
     792             :     /* JBM: when granularity goes down (e.g. MCT with CREND -> ParamMC with binaural fastconv
     793             :            render what still fits in the new granularity */
     794        3234 :     tc_granularity_new = ivas_jbm_dec_get_render_granularity( st_ivas->renderer_type, RENDERER_DISABLE, st_ivas->hDecoderConfig->output_Fs );
     795             : 
     796        3234 :     if ( tc_granularity_new < st_ivas->hTcBuffer->n_samples_granularity )
     797             :     {
     798             :         /* flush already done in IVAS_DEC_ReadFormat() */
     799             :     }
     800             :     /* JBM: when granularity goes up set samples to discard at the beginning of the frame */
     801        2754 :     else if ( tc_granularity_new > st_ivas->hTcBuffer->n_samples_granularity )
     802             :     {
     803         498 :         if ( ( error = ivas_jbm_dec_set_discard_samples( st_ivas ) ) != IVAS_ERR_OK )
     804             :         {
     805           0 :             return error;
     806             :         }
     807             :     }
     808             : 
     809             : #endif
     810        3234 :     if ( st_ivas->mc_mode == MC_MODE_MCT )
     811             :     {
     812        1413 :         st_ivas->nchan_transport = ivas_mc_ls_setup_get_num_channels( ivas_mc_map_output_config_to_mc_ls_setup( st_ivas->transport_config ) );
     813        1413 :         st_ivas->nSCE = 0;
     814        1413 :         st_ivas->nCPE = st_ivas->nchan_transport / 2;
     815             : 
     816        1413 :         if ( last_mc_mode != MC_MODE_MCT )
     817             :         {
     818             :             /*De-allocate handles for other MC modes*/
     819         930 :             if ( st_ivas->hParamMC != NULL )
     820             :             {
     821         519 :                 ivas_param_mc_dec_close( &st_ivas->hParamMC );
     822             : 
     823             :                 /* remove ls conversion if it was allocated by ParamMC */
     824         519 :                 ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
     825             :             }
     826             : 
     827         930 :             if ( last_mc_mode == MC_MODE_PARAMUPMIX )
     828             :             {
     829           9 :                 ivas_mc_paramupmix_dec_close( &( st_ivas->hMCParamUpmix ) );
     830           9 :                 ivas_ls_setup_conversion_close( &( st_ivas->hLsSetUpConversion ) );
     831             :             }
     832             : 
     833             :             /* De-allocate McMasa-related handles */
     834         930 :             ivas_masa_dec_close( &( st_ivas->hMasa ) );
     835         930 :             ivas_qmetadata_close( &st_ivas->hQMetaData );
     836             : 
     837         930 :             ivas_dirac_rend_close( &( st_ivas->hDirACRend ) );
     838         930 :             ivas_spat_hSpatParamRendCom_close( &( st_ivas->hSpatParamRendCom ) );
     839         930 :             ivas_dirac_dec_close( &( st_ivas->hDirAC ) );
     840         930 :             vbap_free_data( &( st_ivas->hVBAPdata ) );
     841             : 
     842             :             /* init LS conversion if the renderer type asks for it */
     843         930 :             if ( st_ivas->renderer_type == RENDERER_MC && st_ivas->hLsSetUpConversion == NULL )
     844             :             {
     845         186 :                 if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
     846             :                 {
     847           0 :                     return error;
     848             :                 }
     849             :             }
     850             :         }
     851             :     }
     852        1821 :     else if ( st_ivas->mc_mode == MC_MODE_PARAMUPMIX )
     853             :     {
     854          21 :         st_ivas->nSCE = 0;
     855          21 :         st_ivas->nCPE = MC_PARAMUPMIX_MAX_TRANSPORT_CHANS / 2;
     856          21 :         st_ivas->nchan_transport = MC_PARAMUPMIX_MAX_TRANSPORT_CHANS;
     857             : 
     858          21 :         if ( last_mc_mode != MC_MODE_PARAMUPMIX )
     859             :         {
     860             :             /*De-allocate handles for other MC modes*/
     861          21 :             if ( st_ivas->hParamMC != NULL )
     862             :             {
     863           3 :                 ivas_param_mc_dec_close( &st_ivas->hParamMC );
     864             : 
     865             :                 /* remove ls conversion if it was allocated by ParamMC */
     866           3 :                 ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
     867             :             }
     868             : 
     869          21 :             ivas_masa_dec_close( &( st_ivas->hMasa ) );
     870          21 :             ivas_qmetadata_close( &st_ivas->hQMetaData );
     871             : 
     872             :             /* init LS conversion if the renderer type asks for it */
     873          21 :             if ( ( st_ivas->renderer_type == RENDERER_MC ) && st_ivas->hLsSetUpConversion == NULL )
     874             :             {
     875           3 :                 if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
     876             :                 {
     877           0 :                     return error;
     878             :                 }
     879             :             }
     880             : 
     881          21 :             if ( ( error = ivas_mc_paramupmix_dec_open( st_ivas ) ) != IVAS_ERR_OK )
     882             :             {
     883           0 :                 return error;
     884             :             }
     885             :         }
     886             : #ifdef DEBUGGING
     887             :         else
     888             :         {
     889             :             assert( 0 );
     890             :         }
     891             : #endif
     892             :     }
     893        1800 :     else if ( st_ivas->mc_mode == MC_MODE_PARAMMC )
     894             :     {
     895        1002 :         if ( last_mc_mode != MC_MODE_PARAMMC )
     896             :         {
     897             :             /* remove old ls conversion for MCT if open, gets reopened correctly within ivas_param_mc_dec_open when needed */
     898         807 :             if ( renderer_type_old == RENDERER_MC && st_ivas->hLsSetUpConversion != NULL )
     899             :             {
     900         111 :                 ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
     901             :             }
     902             : 
     903         807 :             if ( ( error = ivas_param_mc_dec_open( st_ivas ) ) != IVAS_ERR_OK )
     904             :             {
     905           0 :                 return error;
     906             :             }
     907             :         }
     908             :         else
     909             :         {
     910         195 :             if ( ( error = ivas_param_mc_dec_reconfig( st_ivas ) ) != IVAS_ERR_OK )
     911             :             {
     912           0 :                 return error;
     913             :             }
     914             :         }
     915             : 
     916             :         /* De-allocate McMasa-related handles */
     917        1002 :         ivas_masa_dec_close( &( st_ivas->hMasa ) );
     918        1002 :         ivas_qmetadata_close( &st_ivas->hQMetaData );
     919             : 
     920        1002 :         ivas_dirac_rend_close( &( st_ivas->hDirACRend ) );
     921        1002 :         ivas_spat_hSpatParamRendCom_close( &( st_ivas->hSpatParamRendCom ) );
     922        1002 :         ivas_dirac_dec_close( &( st_ivas->hDirAC ) );
     923             : 
     924        1002 :         vbap_free_data( &( st_ivas->hVBAPdata ) );
     925             : 
     926        1002 :         if ( last_mc_mode == MC_MODE_MCT )
     927             :         {
     928         525 :             if ( st_ivas->hMCT != NULL && st_ivas->nchan_transport <= CPE_CHANNELS )
     929             :             {
     930         510 :                 ivas_mct_dec_close( &st_ivas->hMCT );
     931             :             }
     932             :         }
     933         477 :         else if ( last_mc_mode == MC_MODE_PARAMUPMIX )
     934             :         {
     935           0 :             ivas_mc_paramupmix_dec_close( &( st_ivas->hMCParamUpmix ) );
     936             :         }
     937             : 
     938             :         /* LFE handle */
     939        1002 :         ivas_lfe_dec_close( &( st_ivas->hLFE ) );
     940             :     }
     941         798 :     else if ( st_ivas->mc_mode == MC_MODE_MCMASA )
     942             :     {
     943         798 :         ivas_mcmasa_setNumTransportChannels( &( st_ivas->nchan_transport ), &( st_ivas->element_mode_init ), ivas_total_brate );
     944             : 
     945         798 :         if ( last_mc_mode != MC_MODE_MCMASA )
     946             :         {
     947         654 :             if ( ( error = ivas_qmetadata_open( &( st_ivas->hQMetaData ) ) ) != IVAS_ERR_OK )
     948             :             {
     949           0 :                 return error;
     950             :             }
     951             :         }
     952             : 
     953         798 :         if ( ( error = ivas_mcmasa_dec_reconfig( st_ivas ) ) != IVAS_ERR_OK )
     954             :         {
     955           0 :             return error;
     956             :         }
     957             : 
     958             :         /* LS conversion */
     959         798 :         if ( st_ivas->hLsSetUpConversion != NULL )
     960             :         {
     961         123 :             ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
     962             :         }
     963             : 
     964         798 :         ivas_mc_paramupmix_dec_close( &( st_ivas->hMCParamUpmix ) );
     965             : 
     966         798 :         if ( st_ivas->hParamMC != NULL )
     967             :         {
     968         282 :             ivas_param_mc_dec_close( &st_ivas->hParamMC );
     969         282 :             st_ivas->hParamMC = NULL;
     970             :         }
     971             : 
     972         798 :         if ( last_mc_mode == MC_MODE_MCT )
     973             :         {
     974         372 :             ivas_mct_dec_close( &st_ivas->hMCT );
     975             :         }
     976             : 
     977             :         /* LFE handle */
     978         798 :         ivas_lfe_dec_close( &( st_ivas->hLFE ) );
     979             :     }
     980             : 
     981        3234 :     if ( st_ivas->mc_mode != MC_MODE_MCMASA )
     982             :     {
     983        2436 :         if ( st_ivas->nchan_transport == 1 )
     984             :         {
     985           0 :             st_ivas->element_mode_init = IVAS_SCE;
     986             :         }
     987             :         else
     988             :         {
     989        2436 :             st_ivas->element_mode_init = IVAS_CPE_MDCT;
     990             :         }
     991             :     }
     992             : 
     993             :     /*-----------------------------------------------------------------*
     994             :      * Reconfigure core coder
     995             :      *-----------------------------------------------------------------*/
     996             : 
     997             :     /* special case: MCT->ParamMC with more than 2 TC, CPE 1 stays, but has the wrong mct_chan_mode in channel 1
     998             :        and might have IGF static memory not allocated and the bit stream index list not set,
     999             :        set correct mct_chan_mode and init missing static mem (IGF, HQ)  and some config (TNS)  do it here since it is _very_ MC specific */
    1000        3234 :     if ( last_mc_mode == MC_MODE_MCT && st_ivas->mc_mode == MC_MODE_PARAMMC && st_ivas->nchan_transport > CPE_CHANNELS )
    1001             :     {
    1002          15 :         st = st_ivas->hCPE[1]->hCoreCoder[1];
    1003             : 
    1004          15 :         if ( st_ivas->nchan_transport == 3 )
    1005             :         {
    1006          15 :             st->mct_chan_mode = MCT_CHAN_MODE_IGNORE;
    1007             :         }
    1008             :         else
    1009             :         {
    1010           0 :             st->mct_chan_mode = MCT_CHAN_MODE_REGULAR;
    1011             :         }
    1012             : 
    1013          15 :         if ( st->hIGFDec == NULL )
    1014             :         {
    1015           0 :             if ( ( st->hIGFDec = (IGF_DEC_INSTANCE_HANDLE) malloc( sizeof( IGFDEC_INSTANCE ) ) ) == NULL )
    1016             :             {
    1017           0 :                 return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for IGF\n" ) );
    1018             :             }
    1019             : 
    1020           0 :             st->igf = 0;
    1021           0 :             init_igf_dec( st->hIGFDec );
    1022             :         }
    1023             : 
    1024          15 :         if ( st->hHQ_core == NULL )
    1025             :         {
    1026           0 :             if ( ( st->hHQ_core = (HQ_DEC_HANDLE) malloc( sizeof( HQ_DEC_DATA ) ) ) == NULL )
    1027             :             {
    1028           0 :                 return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for HQ core\n" ) );
    1029             :             }
    1030             : 
    1031             :             /* HQ core initialization */
    1032           0 :             HQ_core_dec_init( st->hHQ_core );
    1033             :         }
    1034             : 
    1035             :         /* check if we have a doubly used hTxcCfg, if so, allocate a distint one for the old MCT LFE channel */
    1036          15 :         if ( st->hTcxCfg == st_ivas->hCPE[1]->hCoreCoder[0]->hTcxCfg )
    1037             :         {
    1038           0 :             if ( ( st->hTcxCfg = (TCX_CONFIG_HANDLE) malloc( sizeof( TCX_config ) ) ) == NULL )
    1039             :             {
    1040           0 :                 return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for hTcxCfg\n" ) );
    1041             :             }
    1042             :         }
    1043             : 
    1044          15 :         st->hTcxCfg->fIsTNSAllowed = getTnsAllowed( ivas_total_brate, st->igf, st->element_mode );
    1045             :     }
    1046        3234 :     if ( st_ivas->mc_mode == MC_MODE_MCMASA )
    1047             :     {
    1048             :         uint8_t separateChannelEnabled;
    1049             :         int16_t separateChannelIndex;
    1050         798 :         ivas_mcmasa_set_separate_channel_mode( &separateChannelEnabled, &separateChannelIndex, ivas_total_brate );
    1051         798 :         ivas_mcmasa_split_brate( separateChannelEnabled, ivas_total_brate, st_ivas->nSCE, st_ivas->nCPE, &new_brate_SCE, &new_brate_CPE );
    1052             :     }
    1053        2436 :     else if ( st_ivas->mc_mode == MC_MODE_MCT )
    1054             :     {
    1055        1413 :         new_brate_SCE = 0;
    1056        1413 :         new_brate_CPE = ( ivas_total_brate / ( st_ivas->nchan_transport - 1 ) ) * CPE_CHANNELS;
    1057             :     }
    1058        1023 :     else if ( st_ivas->mc_mode == MC_MODE_PARAMUPMIX )
    1059             :     {
    1060          21 :         new_brate_SCE = 0;
    1061          21 :         new_brate_CPE = ( ivas_total_brate / ( st_ivas->nchan_transport - 1 ) ) * CPE_CHANNELS;
    1062             :     }
    1063             :     else
    1064             :     {
    1065        1002 :         new_brate_SCE = 0; /* ivas_total_brate / st_ivas->nchan_transport;*/
    1066        1002 :         new_brate_CPE = ( ivas_total_brate / st_ivas->nchan_transport ) * CPE_CHANNELS;
    1067             :     }
    1068             : 
    1069        3234 :     if ( ( error = ivas_corecoder_dec_reconfig( st_ivas, nSCE_old, nCPE_old, nchan_transport_old, sba_dirac_stereo_flag_old, new_brate_SCE, new_brate_CPE ) ) != IVAS_ERR_OK )
    1070             :     {
    1071           0 :         return error;
    1072             :     }
    1073             : 
    1074        3234 :     if ( last_mc_mode == MC_MODE_MCT && st_ivas->mc_mode == MC_MODE_PARAMMC && st_ivas->nchan_transport > CPE_CHANNELS )
    1075             :     {
    1076          15 :         st = st_ivas->hCPE[1]->hCoreCoder[1];
    1077             : 
    1078             :         /* TCX-LTP */
    1079          15 :         if ( st->hTcxLtpDec == NULL )
    1080             :         {
    1081           0 :             if ( ( st->hTcxLtpDec = (TCX_LTP_DEC_HANDLE) malloc( sizeof( TCX_LTP_DEC_DATA ) ) ) == NULL )
    1082             :             {
    1083           0 :                 return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for TCX-LTP handle\n" ) );
    1084             :             }
    1085           0 :             tcxltp_dec_init( st->hTcxLtpDec, 0, st->last_codec_mode, st->element_mode, st->pit_max, st->sr_core );
    1086             :         }
    1087             :     }
    1088             : 
    1089             :     /*-----------------------------------------------------------------*
    1090             :      * re-configure HP20 memories
    1091             :      *-----------------------------------------------------------------*/
    1092             : 
    1093        3234 :     if ( ( error = ivas_hp20_dec_reconfig( st_ivas, nchan_hp20_old ) ) != IVAS_ERR_OK )
    1094             :     {
    1095           0 :         return error;
    1096             :     }
    1097             : 
    1098             :     /*-----------------------------------------------------------------*
    1099             :      * Reconfigure renderers
    1100             :      *-----------------------------------------------------------------*/
    1101             : 
    1102        3234 :     if ( st_ivas->mc_mode == MC_MODE_MCMASA )
    1103             :     {
    1104         798 :         if ( ( st_ivas->renderer_type != RENDERER_DISABLE ) && ( st_ivas->renderer_type != RENDERER_MCMASA_MONO_STEREO ) )
    1105             :         {
    1106         774 :             if ( st_ivas->hDirAC != NULL )
    1107             :             {
    1108             :                 /* reconfigure existing DirAC dec */
    1109         774 :                 if ( ( error = ivas_dirac_dec_config( st_ivas, DIRAC_RECONFIGURE ) ) != IVAS_ERR_OK )
    1110             :                 {
    1111           0 :                     return error;
    1112             :                 }
    1113             :             }
    1114             :             else
    1115             :             {
    1116             :                 /* init a new DirAC dec */
    1117           0 :                 if ( ( error = ivas_dirac_dec_config( st_ivas, DIRAC_OPEN ) ) != IVAS_ERR_OK )
    1118             :                 {
    1119           0 :                     return error;
    1120             :                 }
    1121             :             }
    1122             :         }
    1123          24 :         else if ( st_ivas->renderer_type == RENDERER_DISABLE )
    1124             :         {
    1125           9 :             ivas_dirac_rend_close( &( st_ivas->hDirACRend ) );
    1126           9 :             ivas_spat_hSpatParamRendCom_close( &( st_ivas->hSpatParamRendCom ) );
    1127           9 :             ivas_dirac_dec_close( &( st_ivas->hDirAC ) );
    1128             : 
    1129           9 :             vbap_free_data( &( st_ivas->hVBAPdata ) );
    1130             :         }
    1131             :     }
    1132             : 
    1133        3234 :     if ( renderer_type_old != st_ivas->renderer_type )
    1134             :     {
    1135             :         AUDIO_CONFIG output_config;
    1136             : 
    1137        1905 :         output_config = st_ivas->hDecoderConfig->output_config;
    1138             : 
    1139             :         /* binaural renderers*/
    1140        1905 :         if ( output_config == IVAS_AUDIO_CONFIG_BINAURAL || output_config == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR || output_config == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB || output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
    1141             :         {
    1142             :             /* remove unneeded binaural renderers */
    1143        1278 :             if ( st_ivas->hBinRenderer != NULL && ( st_ivas->renderer_type != RENDERER_BINAURAL_FASTCONV && st_ivas->renderer_type != RENDERER_BINAURAL_FASTCONV_ROOM ) )
    1144             :             {
    1145         429 :                 ivas_binRenderer_close( &st_ivas->hBinRenderer );
    1146             : 
    1147         429 :                 if ( ( st_ivas->hDecoderConfig->Opt_Headrotation || st_ivas->hDecoderConfig->Opt_ExternalOrientation ) )
    1148             :                 {
    1149          21 :                     efap_free_data( &st_ivas->hEFAPdata );
    1150             :                 }
    1151             :             }
    1152             : 
    1153        1278 :             if ( ( st_ivas->hCrendWrapper != NULL ) && ( st_ivas->hCrendWrapper->hCrend[0] != NULL ) && ( st_ivas->renderer_type != RENDERER_BINAURAL_MIXER_CONV && st_ivas->renderer_type != RENDERER_BINAURAL_MIXER_CONV_ROOM && ( st_ivas->renderer_type != RENDERER_BINAURAL_OBJECTS_TD || st_ivas->hIntSetup.output_config != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) ) )
    1154             :             {
    1155         462 :                 ivas_rend_closeCrend( &( st_ivas->hCrendWrapper ) );
    1156             :             }
    1157             : 
    1158        1278 :             if ( st_ivas->hBinRendererTd != NULL && ( st_ivas->renderer_type != RENDERER_BINAURAL_OBJECTS_TD ) )
    1159             :             {
    1160          18 :                 ivas_td_binaural_close( &st_ivas->hBinRendererTd );
    1161             :             }
    1162             : 
    1163        1278 :             if ( st_ivas->hDiracDecBin[0] != NULL )
    1164             :             {
    1165         714 :                 if ( st_ivas->renderer_type != RENDERER_BINAURAL_PARAMETRIC && st_ivas->renderer_type != RENDERER_BINAURAL_PARAMETRIC_ROOM && st_ivas->renderer_type != RENDERER_STEREO_PARAMETRIC )
    1166             :                 {
    1167         369 :                     ivas_dirac_dec_close_binaural_data( st_ivas->hDiracDecBin );
    1168             :                 }
    1169             :             }
    1170             : 
    1171             :             /* init necessary new renderers */
    1172        1278 :             if ( st_ivas->hBinRenderer == NULL && ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM ) )
    1173             :             {
    1174         435 :                 if ( ( error = ivas_binRenderer_open( st_ivas ) ) != IVAS_ERR_OK )
    1175             :                 {
    1176           0 :                     return error;
    1177             :                 }
    1178             :             }
    1179         843 :             else if ( st_ivas->hBinRendererTd == NULL && st_ivas->renderer_type == RENDERER_BINAURAL_OBJECTS_TD )
    1180             :             {
    1181          24 :                 if ( ( error = ivas_td_binaural_open( st_ivas ) ) != IVAS_ERR_OK )
    1182             :                 {
    1183           0 :                     return error;
    1184             :                 }
    1185             : 
    1186          24 :                 if ( st_ivas->hOutSetup.output_config == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB )
    1187             :                 {
    1188          12 :                     if ( ( error = ivas_reverb_open( &st_ivas->hReverb, st_ivas->hHrtfStatistics, st_ivas->hRenderConfig, st_ivas->hDecoderConfig->output_Fs ) ) != IVAS_ERR_OK )
    1189             :                     {
    1190           0 :                         return error;
    1191             :                     }
    1192             :                 }
    1193             : 
    1194          24 :                 if ( st_ivas->hIntSetup.output_config == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB )
    1195             :                 {
    1196           0 :                     if ( ( error = ivas_rend_initCrendWrapper( &st_ivas->hCrendWrapper, 1 ) ) != IVAS_ERR_OK )
    1197             :                     {
    1198           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend Wrapper\n" );
    1199             :                     }
    1200             : 
    1201           0 :                     st_ivas->hCrendWrapper->hCrend[0] = NULL;
    1202           0 :                     st_ivas->hCrendWrapper->hHrtfCrend = NULL;
    1203           0 :                     if ( ( st_ivas->hCrendWrapper->hCrend[0] = (CREND_HANDLE) malloc( sizeof( CREND_DATA ) ) ) == NULL )
    1204             :                     {
    1205           0 :                         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for Crend\n" );
    1206             :                     }
    1207             :                 }
    1208             :             }
    1209         819 :             else if ( st_ivas->hCrendWrapper == NULL && ( st_ivas->renderer_type == RENDERER_BINAURAL_MIXER_CONV || st_ivas->renderer_type == RENDERER_BINAURAL_MIXER_CONV_ROOM ) )
    1210             :             {
    1211         474 :                 if ( ( error = ivas_rend_openCrend( &( st_ivas->hCrendWrapper ), st_ivas->intern_config, st_ivas->hDecoderConfig->output_config, st_ivas->hRenderConfig, st_ivas->hHrtfCrend, st_ivas->hHrtfStatistics, st_ivas->hDecoderConfig->output_Fs, 0, ( st_ivas->hSplitBinRend == NULL ) ? 1 : st_ivas->hSplitBinRend->splitrend.multiBinPoseData.num_poses ) ) != IVAS_ERR_OK )
    1212             :                 {
    1213           0 :                     return error;
    1214             :                 }
    1215         474 :                 st_ivas->binaural_latency_ns = st_ivas->hCrendWrapper->binaural_latency_ns;
    1216             :             }
    1217             :         }
    1218             :         /* mono/stereo */
    1219             :         else if ( output_config == IVAS_AUDIO_CONFIG_MONO || output_config == IVAS_AUDIO_CONFIG_STEREO )
    1220             :         {
    1221             :             /* nothing should happen here... */
    1222             :         }
    1223             :         /* LS */
    1224             :         else if ( output_config == IVAS_AUDIO_CONFIG_5_1 || output_config == IVAS_AUDIO_CONFIG_5_1_2 || output_config == IVAS_AUDIO_CONFIG_5_1_4 || output_config == IVAS_AUDIO_CONFIG_7_1 || output_config == IVAS_AUDIO_CONFIG_7_1_4 || output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM )
    1225             :         {
    1226             : #ifdef DEBUGGING
    1227             :             assert( st_ivas->renderer_type == RENDERER_MC || st_ivas->renderer_type == RENDERER_MC_PARAMMC || st_ivas->renderer_type == RENDERER_DIRAC || st_ivas->renderer_type == RENDERER_DISABLE );
    1228             : #endif
    1229             :         }
    1230             : #ifdef DEBUGGING
    1231             :         else if ( output_config == IVAS_AUDIO_CONFIG_FOA || output_config == IVAS_AUDIO_CONFIG_HOA2 || output_config == IVAS_AUDIO_CONFIG_HOA3 )
    1232             :         {
    1233             :             /* FOA/HOA output */
    1234             :             /* Nothing to do, renderer is always RENDERER_SBA_LINEAR_ENC */
    1235             :             assert( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC && renderer_type_old == RENDERER_SBA_LINEAR_ENC );
    1236             :         }
    1237             : #endif
    1238             :     }
    1239             : 
    1240             :     /*-----------------------------------------------------------------*
    1241             :      * CLDFB instances
    1242             :      *-----------------------------------------------------------------*/
    1243             : 
    1244        3234 :     if ( ( error = ivas_cldfb_dec_reconfig( st_ivas, nchan_transport_old, numCldfbAnalyses_old, numCldfbSyntheses_old ) ) != IVAS_ERR_OK )
    1245             :     {
    1246           0 :         return error;
    1247             :     }
    1248             : 
    1249             : 
    1250             :     /*-----------------------------------------------------------------*
    1251             :      * Allocate the LFE handle that is coded separately after the allocation of the core coders
    1252             :      *-----------------------------------------------------------------*/
    1253             : 
    1254        3234 :     if ( ( st_ivas->mc_mode == MC_MODE_MCT || st_ivas->mc_mode == MC_MODE_PARAMUPMIX ) )
    1255             :     {
    1256             :         int32_t delay_ns;
    1257        1434 :         if ( st_ivas->hIntSetup.index_lfe[0] != -1 )
    1258             :         {
    1259        1416 :             delay_ns = st_ivas->binaural_latency_ns;
    1260             :         }
    1261             :         else
    1262             :         {
    1263          18 :             delay_ns = 0;
    1264             :         }
    1265             : 
    1266        1434 :         if ( st_ivas->hBinRenderer != NULL )
    1267             :         {
    1268           6 :             if ( st_ivas->hBinRenderer->render_lfe )
    1269             :             {
    1270             :                 /* Account for filterbank delay */
    1271           6 :                 delay_ns += IVAS_FB_DEC_DELAY_NS;
    1272             :             }
    1273             :             else
    1274             :             {
    1275           0 :                 delay_ns = 0;
    1276             :             }
    1277             :         }
    1278             :         else
    1279             :         {
    1280        1428 :             if ( ( st_ivas->mc_mode == MC_MODE_PARAMUPMIX ) && ( st_ivas->cldfbSynDec[0] != NULL ) )
    1281             :             {
    1282          12 :                 delay_ns += IVAS_FB_DEC_DELAY_NS;
    1283             :             }
    1284             :         }
    1285             : 
    1286        1434 :         if ( st_ivas->hLFE != NULL )
    1287             :         {
    1288         492 :             if ( st_ivas->hLFE->delay_ns != delay_ns )
    1289             :             {
    1290           9 :                 ivas_lfe_dec_close( &( st_ivas->hLFE ) );
    1291             :             }
    1292             :         }
    1293             : 
    1294        1434 :         if ( st_ivas->hLFE == NULL )
    1295             :         {
    1296         951 :             if ( ( error = ivas_create_lfe_dec( &st_ivas->hLFE, st_ivas->hDecoderConfig->output_Fs, delay_ns ) ) != IVAS_ERR_OK )
    1297             :             {
    1298           0 :                 return error;
    1299             :             }
    1300             : 
    1301         951 :             set_zero( st_ivas->hLFE->prevsynth_buf, LFE_PLC_BUFLEN );
    1302         951 :             set_zero( st_ivas->hLFE->prior_out_buffer, L_FRAME48k );
    1303             :         }
    1304             :     }
    1305             : 
    1306             :     /*-----------------------------------------------------------------*
    1307             :      * JBM TC buffers
    1308             :      *-----------------------------------------------------------------*/
    1309             :     {
    1310             :         int16_t tc_nchan_full_new;
    1311             :         DECODER_TC_BUFFER_HANDLE hTcBuffer;
    1312             : 
    1313        3234 :         hTcBuffer = st_ivas->hTcBuffer;
    1314        3234 :         tc_buffer_mode_new = ivas_jbm_dec_get_tc_buffer_mode( st_ivas );
    1315        3234 :         tc_nchan_tc_new = ivas_jbm_dec_get_num_tc_channels( st_ivas );
    1316        3234 :         tc_nchan_allocate_new = tc_nchan_tc_new;
    1317        3234 :         tc_nchan_full_new = tc_nchan_tc_new;
    1318             : #ifndef NONBE_1321_JBM_ASSERT_BITRATE_SWITCHING
    1319             :         tc_granularity_new = ivas_jbm_dec_get_render_granularity( st_ivas->renderer_type, RENDERER_DISABLE, st_ivas->hDecoderConfig->output_Fs );
    1320             : #endif
    1321             : 
    1322        3234 :         if ( st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC || st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC_ROOM || st_ivas->renderer_type == RENDERER_STEREO_PARAMETRIC )
    1323             :         {
    1324         402 :             tc_nchan_allocate_new = BINAURAL_CHANNELS;
    1325         402 :             if ( st_ivas->hDiracDecBin[0] != NULL && st_ivas->hDiracDecBin[0]->useTdDecorr )
    1326             :             {
    1327         357 :                 tc_nchan_allocate_new = 2 * BINAURAL_CHANNELS;
    1328             :             }
    1329          45 :             else if ( st_ivas->hOutSetup.separateChannelEnabled )
    1330             :             {
    1331          24 :                 tc_nchan_allocate_new++;
    1332             :             }
    1333             : 
    1334         402 :             tc_nchan_full_new = tc_nchan_allocate_new;
    1335             :         }
    1336             : 
    1337        3234 :         if ( st_ivas->mc_mode == MC_MODE_PARAMMC && st_ivas->hDecoderConfig->output_config != IVAS_AUDIO_CONFIG_MONO && st_ivas->hDecoderConfig->output_config != IVAS_AUDIO_CONFIG_STEREO )
    1338             :         {
    1339         996 :             tc_nchan_full_new = 0;
    1340             :         }
    1341        2238 :         else if ( st_ivas->mc_mode == MC_MODE_PARAMUPMIX )
    1342             :         {
    1343          21 :             tc_nchan_allocate_new = MC_PARAMUPMIX_MAX_INPUT_CHANS;
    1344          21 :             tc_buffer_mode_new = TC_BUFFER_MODE_RENDERER;
    1345          21 :             if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_STEREO || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_MONO )
    1346             :             {
    1347           3 :                 tc_buffer_mode_new = TC_BUFFER_MODE_BUFFER;
    1348           3 :                 tc_nchan_tc_new = st_ivas->hDecoderConfig->nchan_out;
    1349           3 :                 tc_nchan_allocate_new = tc_nchan_tc_new;
    1350             :             }
    1351          21 :             tc_nchan_full_new = tc_nchan_allocate_new;
    1352             :         }
    1353             : 
    1354             :         /* reconfigure buffer */
    1355        3234 :         if ( hTcBuffer->tc_buffer_mode != tc_buffer_mode_new || hTcBuffer->nchan_transport_jbm != tc_nchan_tc_new ||
    1356         753 :              hTcBuffer->nchan_buffer_full != tc_nchan_full_new || hTcBuffer->nchan_transport_internal != tc_nchan_allocate_new ||
    1357         735 :              tc_granularity_new != hTcBuffer->n_samples_granularity )
    1358             :         {
    1359        2499 :             if ( ( error = ivas_jbm_dec_tc_buffer_reconfigure( st_ivas, tc_buffer_mode_new, tc_nchan_tc_new, tc_nchan_allocate_new, tc_nchan_full_new, tc_granularity_new ) ) != IVAS_ERR_OK )
    1360             :             {
    1361           0 :                 return error;
    1362             :             }
    1363             :         }
    1364             : 
    1365             :         /* transfer subframe info from central tc buffer to ParamMC or McMASA (DirAC) */
    1366        3234 :         if ( st_ivas->hSpatParamRendCom != NULL )
    1367             :         {
    1368         792 :             st_ivas->hSpatParamRendCom->nb_subframes = st_ivas->hTcBuffer->nb_subframes;
    1369         792 :             st_ivas->hSpatParamRendCom->subframes_rendered = st_ivas->hTcBuffer->subframes_rendered;
    1370         792 :             st_ivas->hSpatParamRendCom->num_slots = st_ivas->hTcBuffer->num_slots;
    1371         792 :             st_ivas->hSpatParamRendCom->slots_rendered = st_ivas->hTcBuffer->slots_rendered;
    1372         792 :             mvs2s( st_ivas->hTcBuffer->subframe_nbslots, st_ivas->hSpatParamRendCom->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
    1373             :         }
    1374        2442 :         else if ( st_ivas->hParamMC != NULL )
    1375             :         {
    1376        1002 :             st_ivas->hParamMC->nb_subframes = st_ivas->hTcBuffer->nb_subframes;
    1377        1002 :             st_ivas->hParamMC->subframes_rendered = st_ivas->hTcBuffer->subframes_rendered;
    1378        1002 :             st_ivas->hParamMC->num_slots = st_ivas->hTcBuffer->num_slots;
    1379        1002 :             st_ivas->hParamMC->slots_rendered = st_ivas->hTcBuffer->slots_rendered;
    1380        1002 :             mvs2s( st_ivas->hTcBuffer->subframe_nbslots, st_ivas->hParamMC->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
    1381             :         }
    1382             :     }
    1383             : 
    1384             :     /*-----------------------------------------------------------------*
    1385             :      * floating-point output audio buffers
    1386             :      *-----------------------------------------------------------------*/
    1387             : 
    1388        3234 :     nchan_out_buff = ivas_get_nchan_buffers_dec( st_ivas, -1, -1 );
    1389        3234 :     if ( ( error = ivas_output_buff_dec( st_ivas->p_output_f, nchan_out_buff, st_ivas->hDecoderConfig->Opt_tsm, st_ivas->hTcBuffer ) ) != IVAS_ERR_OK )
    1390             :     {
    1391           0 :         return error;
    1392             :     }
    1393             : 
    1394        3234 :     return IVAS_ERR_OK;
    1395             : }

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