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 "options.h"
      34             : #include "ivas_cnst.h"
      35             : #include "ivas_prot.h"
      36             : #include "prot.h"
      37             : #include "ivas_rom_com.h"
      38             : #ifdef DEBUGGING
      39             : #include "debug.h"
      40             : #endif
      41             : 
      42             : /*! r : ISM format mode */
      43      223065 : ISM_MODE ivas_osba_ism_mode_select(
      44             :     const int32_t ivas_total_brate, /* i  : IVAS total bitrate      */
      45             :     const int16_t nchan_ism         /* i  : number of input ISM's   */
      46             : )
      47             : {
      48      223065 :     ISM_MODE ism_mode = ISM_MODE_NONE;
      49             : 
      50      223065 :     switch ( nchan_ism )
      51             :     {
      52       30005 :         case 1:
      53       30005 :             if ( ivas_total_brate >= IVAS_96k )
      54             :             {
      55       12002 :                 ism_mode = ISM_SBA_MODE_DISC;
      56             :             }
      57       30005 :             break;
      58      193060 :         case 2:
      59             :         case 3:
      60             :         case 4:
      61      193060 :             if ( ivas_total_brate >= IVAS_128k )
      62             :             {
      63      120677 :                 ism_mode = ISM_SBA_MODE_DISC;
      64             :             }
      65      193060 :             break;
      66             :     }
      67             : 
      68      223065 :     return ism_mode;
      69             : }