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             : /*====================================================================================
      34             :     EVS Codec 3GPP TS26.443 Nov 04, 2021. Version 12.14.0 / 13.10.0 / 14.6.0 / 15.4.0 / 16.3.0
      35             :   ====================================================================================*/
      36             : 
      37             : #include <stdint.h>
      38             : #include "options.h"
      39             : #include "prot_fx.h"
      40             : #include "ivas_cnst.h"
      41             : #include "wmc_auto.h"
      42             : 
      43             : /*--------------------------------------------------------------------------
      44             :  *  get_delay()
      45             :  *
      46             :  *  Function returns various types of delays in the codec in ns.
      47             :  *--------------------------------------------------------------------------*/
      48             : 
      49             : /*! r: delay value in ns */
      50        6227 : Word32 get_delay_fx(
      51             :     const Word16 what_delay,               /* i  : what delay? (ENC or DEC)          Q0*/
      52             :     const Word32 io_fs,                    /* i  : input/output sampling frequency   Q0*/
      53             :     const IVAS_FORMAT ivas_format,         /* i  : IVAS format                         */
      54             :     HANDLE_CLDFB_FILTER_BANK hCldfb,       /* i  : Handle of Cldfb analysis            */
      55             :     const Word16 flag_binaural_split_coded /* i  : split rendering on/off flag         */
      56             : )
      57             : {
      58             :     Word32 delay; /*Q0*/
      59        6227 :     delay = 0;
      60        6227 :     move32();
      61             : 
      62        6227 :     IF( what_delay == ENC )
      63             :     {
      64           0 :         IF( EQ_16( ivas_format, MONO_FORMAT ) ) /* EVS mono */
      65             :         {
      66           0 :             delay = DELAY_FIR_RESAMPL_NS + ACELP_LOOK_NS; /*Q0*/
      67           0 :             move32();
      68             :         }
      69             :         ELSE
      70             :         {
      71           0 :             delay = IVAS_ENC_DELAY_NS; /*Q0*/
      72           0 :             move32();
      73           0 :             test();
      74           0 :             if ( EQ_16( ivas_format, MASA_FORMAT ) || EQ_16( ivas_format, MASA_ISM_FORMAT ) )
      75             :             {
      76           0 :                 delay = 0; /* All delay is compensated in the decoder with MASA */
      77           0 :                 move32();
      78             :             }
      79             :         }
      80             : 
      81           0 :         test();
      82           0 :         if ( EQ_16( ivas_format, SBA_FORMAT ) || EQ_16( ivas_format, SBA_ISM_FORMAT ) )
      83             :         {
      84             :             /* compensate for DirAC/SPAR filterbank delay */
      85           0 :             delay = L_add( delay, IVAS_FB_ENC_DELAY_NS ); /*Q0*/
      86             :         }
      87             :     }
      88             :     ELSE
      89             :     {
      90        6227 :         IF( EQ_16( ivas_format, MONO_FORMAT ) ) /* EVS mono */
      91             :         {
      92           3 :             IF( EQ_32( io_fs, 8000 ) )
      93             :             {
      94           0 :                 delay = DELAY_CLDFB_NS; /*Q0*/
      95           0 :                 move32();
      96             :             }
      97             :             ELSE
      98             :             {
      99           3 :                 delay = DELAY_BWE_TOTAL_NS; /*Q0*/
     100           3 :                 move32();
     101             :             }
     102             :         }
     103             :         ELSE /* IVAS */
     104             :         {
     105        6224 :             delay = IVAS_DEC_DELAY_NS; /*Q0*/
     106        6224 :             move32();
     107             : 
     108        6224 :             IF( !flag_binaural_split_coded )
     109             :             {
     110        6224 :                 if ( hCldfb != NULL )
     111             :                 {
     112             :                     /* compensate for filterbank delay */
     113         440 :                     delay = L_add( delay, IVAS_FB_DEC_DELAY_NS ); /*Q0*/
     114             :                 }
     115             :             }
     116             : 
     117        6224 :             test();
     118        6224 :             if ( EQ_16( ivas_format, MASA_FORMAT ) || EQ_16( ivas_format, MASA_ISM_FORMAT ) )
     119             :             {
     120        5729 :                 delay = L_add( delay, IVAS_ENC_DELAY_NS ); /* Compensate also the encoder delay in the decoder with MASA */ /*Q0*/
     121             :             }
     122             :         }
     123             :     }
     124             : 
     125        6227 :     return delay; /*Q0*/
     126             : }