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             : #ifdef DEBUGGING
      40             : #include "debug.h"
      41             : #endif
      42             : #include "prot.h"
      43             : #include "cnst.h"
      44             : #include "ivas_cnst.h"
      45             : #include "wmc_auto.h"
      46             : 
      47             : /*---------------------------------------------------------------------------
      48             : 
      49             :    function name: SetModeIndex
      50             :    description:   function for configuring the codec between frames - currently bitrate and bandwidth only
      51             :                   must not be called while a frame is encoded - hence mutexes must be used in MT environments
      52             : 
      53             :    format:        BANDWIDTH*16 + BITRATE (mode index)
      54             : 
      55             :   ---------------------------------------------------------------------------*/
      56             : 
      57      950486 : void SetModeIndex(
      58             :     Encoder_State *st,               /* i  : Encoder state                          */
      59             :     const int32_t last_total_brate,  /* i  : last total bitrate                     */
      60             :     const int16_t last_element_mode, /* i  : last IVAS element mode                 */
      61             :     const int16_t MCT_flag           /* i  : hMCT handle allocated (1) or not (0)   */
      62             : )
      63             : {
      64      950486 :     int16_t ini_frame_loc = st->ini_frame;
      65             : 
      66      950486 :     if ( st->element_mode == IVAS_CPE_MDCT && last_element_mode != IVAS_CPE_MDCT && st->idchan == 1 )
      67             :     {
      68         749 :         st->ini_frame = 0;
      69             :     }
      70             : 
      71             :     /* Reconfigure the core coder */
      72      950486 :     if ( ( last_total_brate != st->total_brate ) ||
      73      935773 :          ( st->last_bwidth != st->bwidth ) ||
      74      933525 :          ( st->last_codec_mode == MODE1 && st->element_mode == EVS_MONO ) ||
      75      933451 :          ( ( st->last_core != TCX_20_CORE && st->last_core != TCX_10_CORE ) && st->element_mode > EVS_MONO ) ||
      76      917887 :          ( st->rf_mode_last != st->rf_mode ) ||
      77      917887 :          ( st->element_mode > EVS_MONO && st->ini_frame == 0 ) )
      78             :     {
      79       32649 :         core_coder_mode_switch( st, last_total_brate, MCT_flag );
      80             :     }
      81             : 
      82      950486 :     st->ini_frame = ini_frame_loc;
      83             : 
      84      950486 :     return;
      85             : }