Line data    Source code

       1             : /******************************************************************************************************
       2             : 
       3             :    (C) 2022-2025 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,
       4             :    Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
       5             :    Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
       6             :    Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
       7             :    contributors to this repository. All Rights Reserved.
       8             : 
       9             :    This software is protected by copyright law and by international treaties.
      10             :    The IVAS codec Public Collaboration consisting of Dolby International AB, Ericsson AB,
      11             :    Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
      12             :    Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
      13             :    Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
      14             :    contributors to this repository retain full ownership rights in their respective contributions in
      15             :    the software. This notice grants no license of any kind, including but not limited to patent
      16             :    license, nor is any license granted by implication, estoppel or otherwise.
      17             : 
      18             :    Contributors are required to enter into the IVAS codec Public Collaboration agreement before making
      19             :    contributions.
      20             : 
      21             :    This software is provided "AS IS", without any express or implied warranties. The software is in the
      22             :    development stage. It is intended exclusively for experts who have experience with such software and
      23             :    solely for the purpose of inspection. All implied warranties of non-infringement, merchantability
      24             :    and fitness for a particular purpose are hereby disclaimed and excluded.
      25             : 
      26             :    Any dispute, controversy or claim arising under or in relation to providing this software shall be
      27             :    submitted to and settled by the final, binding jurisdiction of the courts of Munich, Germany in
      28             :    accordance with the laws of the Federal Republic of Germany excluding its conflict of law rules and
      29             :    the United Nations Convention on Contracts on the International Sales of Goods.
      30             : 
      31             : *******************************************************************************************************/
      32             : 
      33             : #include <stdint.h>
      34             : #include "options.h"
      35             : #include "ivas_rom_com.h"
      36             : #include "ivas_prot.h"
      37             : #include "prot.h"
      38             : #include "ivas_prot.h"
      39             : #include "wmc_auto.h"
      40             : #include <assert.h>
      41             : 
      42             : /*-------------------------------------------------------------------*
      43             :  *  SpectrumWeighting_Init()
      44             :  *
      45             :  *
      46             :  *-------------------------------------------------------------------*/
      47             : 
      48      223360 : static void SpectrumWeighting_Init(
      49             :     SpectrumWarping const *pSpectrumWarping,
      50             :     const int16_t isTCX20,
      51             :     PsychoacousticParameters *pPsychParams )
      52             : {
      53      223360 :     if ( isTCX20 )
      54             :     {
      55      111680 :         pPsychParams->bandLengths = pSpectrumWarping->bandLengthsTCX20;
      56             :     }
      57             :     else
      58             :     {
      59      111680 :         pPsychParams->bandLengths = pSpectrumWarping->bandLengthsTCX10;
      60             :     }
      61             : 
      62      223360 :     return;
      63             : }
      64             : 
      65             : /*-------------------------------------------------------------------*
      66             :  *  PsychoacousticParameters_Init()
      67             :  *
      68             :  *  initialize a PsychoacousticParameters structure
      69             :  *-------------------------------------------------------------------*/
      70             : 
      71      287514 : ivas_error PsychoacousticParameters_Init(
      72             :     const int32_t sr_core,  /* i  : sampling rate of core-coder                                     */
      73             :     const int16_t nBins,    /* i  : Number of bins (spectral lines)                                 */
      74             :     const int8_t nBands,    /* i  : Number of spectrum subbands                                     */
      75             :     const int16_t isTCX20,  /* i  : Flag indicating if the subband division is for TCX20 or TCX10   */
      76             :     const int16_t isWarped, /* i  : Flag indicating if the scale is linear or warped                */
      77             :     PsychoacousticParameters *pPsychParams )
      78             : {
      79             : 
      80      287514 :     if ( pPsychParams == NULL )
      81             :     {
      82           0 :         return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "PsychParams handle is NULL" );
      83             :     }
      84             : 
      85      287514 :     pPsychParams->nBins = nBins;
      86      287514 :     pPsychParams->nBands = nBands;
      87             : 
      88      287514 :     if ( !isWarped )
      89             :     {
      90       64154 :         pPsychParams->bandLengths = NULL;
      91             :     }
      92             :     else
      93             :     {
      94      223360 :         assert( pPsychParams->nBands == 64 );
      95      223360 :         switch ( sr_core )
      96             :         {
      97      102852 :             case 16000:
      98      102852 :                 SpectrumWeighting_Init( sw16000Hz, isTCX20, pPsychParams );
      99      102852 :                 break;
     100       65804 :             case 25600:
     101       65804 :                 SpectrumWeighting_Init( sw25600Hz, isTCX20, pPsychParams );
     102       65804 :                 break;
     103       54704 :             case 32000:
     104       54704 :                 SpectrumWeighting_Init( sw32000Hz, isTCX20, pPsychParams );
     105       54704 :                 break;
     106           0 :             default:
     107           0 :                 return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Subband division not defined for this sampling rate" );
     108             :         }
     109             :     }
     110             : 
     111      287514 :     return IVAS_ERR_OK;
     112             : }
     113             : 
     114             : /*-------------------------------------------------------------------*
     115             :  *  InitPsychLPC()
     116             :  *
     117             :  *
     118             :  *-------------------------------------------------------------------*/
     119             : 
     120       64154 : void InitPsychLPC(
     121             :     const int32_t sr_core,          /* i  : sampling rate of core-coder   */
     122             :     const int16_t L_frame,          /* i  : frame length                  */
     123             :     const TCX_CONFIG_HANDLE hTcxCfg /* i  : TCX configuration handle      */
     124             : )
     125             : {
     126       64154 :     int16_t L_frame_ext = L_frame + L_frame / 4;
     127             : 
     128       64154 :     hTcxCfg->psychParamsCurrent = NULL;
     129             : 
     130       64154 :     PsychoacousticParameters_Init( sr_core, L_frame / 2, 64, 0, 1, &hTcxCfg->psychParamsTCX10 );
     131       64154 :     PsychoacousticParameters_Init( sr_core, L_frame, 64, 1, 1, &hTcxCfg->psychParamsTCX20 );
     132       64154 :     PsychoacousticParameters_Init( sr_core, L_frame_ext, 64, 1, 0, &hTcxCfg->psychParamsTCX20AfterACELP );
     133             : 
     134       64154 :     return;
     135             : }
     136             : 
     137             : /*-------------------------------------------------------------------*
     138             :  *  SetCurrentPsychParams()
     139             :  *
     140             :  *
     141             :  *-------------------------------------------------------------------*/
     142             : 
     143     2524433 : void SetCurrentPsychParams(
     144             :     const int16_t core,
     145             :     const int16_t last_frame_was_concealed_cng,
     146             :     TCX_CONFIG_HANDLE hTcxCfg )
     147             : {
     148     2524433 :     if ( hTcxCfg->tcx_last_overlap_mode == TRANSITION_OVERLAP && !last_frame_was_concealed_cng )
     149             :     {
     150        5336 :         assert( core == TCX_20_CORE );
     151        5336 :         hTcxCfg->psychParamsCurrent = &hTcxCfg->psychParamsTCX20AfterACELP;
     152             :     }
     153             :     else
     154             :     {
     155     2519097 :         hTcxCfg->psychParamsCurrent = ( core == TCX_10_CORE ) ? &hTcxCfg->psychParamsTCX10 : &hTcxCfg->psychParamsTCX20;
     156             :     }
     157             : 
     158     2524433 :     return;
     159             : }