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 "cnst.h"
      40             : #include "rom_com.h"
      41             : #include "prot.h"
      42             : #include "stat_com.h"
      43             : #include "wmc_auto.h"
      44             : 
      45             : 
      46             : /*---------------------------------------------------------------------*
      47             :  * ReadTnsData()
      48             :  *
      49             :  *
      50             :  *---------------------------------------------------------------------*/
      51             : 
      52     2390448 : void ReadTnsData(
      53             :     STnsConfig const *pTnsConfig,
      54             :     Decoder_State *st,
      55             :     int16_t *pnBits,
      56             :     int16_t *stream,
      57             :     int16_t *pnSize )
      58             : {
      59             :     int16_t start_bit_pos;
      60             : 
      61     2390448 :     start_bit_pos = st->next_bit_pos;
      62     2390448 :     if ( pTnsConfig->nMaxFilters > 1 )
      63             :     {
      64     2085003 :         if ( pTnsConfig->allowTnsOnWhite )
      65             :         {
      66     1742646 :             if ( pTnsConfig->iFilterBorders[0] < 512 )
      67             :             {
      68       85608 :                 ReadFromBitstream( &tnsEnabledOnWhiteSWBTCX10BitMap, 1, st, &stream, pnSize );
      69             :             }
      70             :             else
      71             :             {
      72     1657038 :                 ReadFromBitstream( &tnsEnabledOnWhiteSWBTCX20BitMap, 1, st, &stream, pnSize );
      73             :             }
      74             :         }
      75             :         else
      76             :         {
      77      342357 :             if ( pTnsConfig->iFilterBorders[0] < 512 )
      78             :             {
      79       12222 :                 ReadFromBitstream( &tnsEnabledSWBTCX10BitMap, 1, st, &stream, pnSize );
      80             :             }
      81             :             else
      82             :             {
      83      330135 :                 ReadFromBitstream( &tnsEnabledSWBTCX20BitMap, 1, st, &stream, pnSize );
      84             :             }
      85             :         }
      86             :     }
      87             :     else
      88             :     {
      89      305445 :         ReadFromBitstream( &tnsEnabledWBTCX20BitMap, 1, st, &stream, pnSize );
      90             :     }
      91             : 
      92     2390448 :     *pnBits = st->next_bit_pos - start_bit_pos;
      93             : 
      94     2390448 :     return;
      95             : }
      96             : 
      97             : 
      98             : /*---------------------------------------------------------------------*
      99             :  * DecodeTnsData()
     100             :  *
     101             :  *
     102             :  *---------------------------------------------------------------------*/
     103             : 
     104     2398068 : int16_t DecodeTnsData(
     105             :     STnsConfig const *pTnsConfig,
     106             :     const int16_t *stream,
     107             :     int16_t *pnSize,
     108             :     STnsData *pTnsData )
     109             : {
     110     2398068 :     ResetTnsData( pTnsData );
     111             : 
     112     2398068 :     if ( pTnsConfig->nMaxFilters > 1 )
     113             :     {
     114     2092443 :         if ( pTnsConfig->allowTnsOnWhite )
     115             :         {
     116     1750086 :             if ( pTnsConfig->iFilterBorders[0] < 512 )
     117             :             {
     118       87018 :                 SetParameters( &tnsEnabledOnWhiteSWBTCX10BitMap, 1, pTnsData, &stream, pnSize );
     119             :             }
     120             :             else
     121             :             {
     122     1663068 :                 SetParameters( &tnsEnabledOnWhiteSWBTCX20BitMap, 1, pTnsData, &stream, pnSize );
     123             :             }
     124             :         }
     125             :         else
     126             :         {
     127      342357 :             if ( pTnsConfig->iFilterBorders[0] < 512 )
     128             :             {
     129       12222 :                 SetParameters( &tnsEnabledSWBTCX10BitMap, 1, pTnsData, &stream, pnSize );
     130             :             }
     131             :             else
     132             :             {
     133      330135 :                 SetParameters( &tnsEnabledSWBTCX20BitMap, 1, pTnsData, &stream, pnSize );
     134             :             }
     135             :         }
     136             :     }
     137             :     else
     138             :     {
     139      305625 :         SetParameters( &tnsEnabledWBTCX20BitMap, 1, pTnsData, &stream, pnSize );
     140             :     }
     141             : 
     142     2398068 :     return ( pTnsData->nFilters > 0 ) ? TRUE : FALSE;
     143             : }