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 "prot_fx.h"
37 : #include "wmc_auto.h"
38 : #include <assert.h>
39 :
40 : #include "ivas_prot_fx.h"
41 :
42 : /*-------------------------------------------------------------------*
43 : * SpectrumWeighting_Init()
44 : *
45 : *
46 : *-------------------------------------------------------------------*/
47 :
48 86984 : static void SpectrumWeighting_Init_fx(
49 : SpectrumWarping const *pSpectrumWarping,
50 : const Word16 isTCX20, /*Q0*/
51 : PsychoacousticParameters *pPsychParams )
52 : {
53 86984 : IF( isTCX20 )
54 : {
55 43492 : pPsychParams->bandLengths = pSpectrumWarping->bandLengthsTCX20; /*Q0*/
56 : }
57 : ELSE
58 : {
59 43492 : pPsychParams->bandLengths = pSpectrumWarping->bandLengthsTCX10; /*Q0*/
60 : }
61 :
62 86984 : return;
63 : }
64 :
65 :
66 : /*-------------------------------------------------------------------*
67 : * PsychoacousticParameters_Init()
68 : *
69 : * initialize a PsychoacousticParameters structure
70 : *-------------------------------------------------------------------*/
71 :
72 117465 : ivas_error PsychoacousticParameters_Init_fx(
73 : const Word32 sr_core, /* i : sampling rate of core-coder Q0*/
74 : const Word16 nBins, /* i : Number of bins (spectral lines) Q0*/
75 : const Word8 nBands, /* i : Number of spectrum subbands Q0*/
76 : const Word16 isTCX20, /* i : Flag indicating if the subband division is for TCX20 or TCX10 Q0*/
77 : const Word16 isWarped, /* i : Flag indicating if the scale is linear or warped */
78 : PsychoacousticParameters *pPsychParams )
79 : {
80 :
81 117465 : IF( pPsychParams == NULL )
82 : {
83 0 : return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "PsychParams handle is NULL" );
84 : }
85 :
86 117465 : pPsychParams->nBins = nBins; /*Q0*/
87 117465 : pPsychParams->nBands = nBands; /*Q0*/
88 117465 : move16();
89 117465 : move16();
90 :
91 117465 : IF( !isWarped )
92 : {
93 30481 : pPsychParams->bandLengths = NULL;
94 : }
95 : ELSE
96 : {
97 86984 : assert( EQ_16( pPsychParams->nBands, 64 ) );
98 86984 : SWITCH( sr_core )
99 : {
100 28714 : case 16000:
101 28714 : SpectrumWeighting_Init_fx( sw16000Hz, isTCX20, pPsychParams );
102 28714 : BREAK;
103 31202 : case 25600:
104 31202 : SpectrumWeighting_Init_fx( sw25600Hz, isTCX20, pPsychParams );
105 31202 : BREAK;
106 27068 : case 32000:
107 27068 : SpectrumWeighting_Init_fx( sw32000Hz, isTCX20, pPsychParams );
108 27068 : BREAK;
109 0 : default:
110 0 : return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Subband division not defined for this sampling rate" );
111 : }
112 : }
113 :
114 117465 : return IVAS_ERR_OK;
115 : }
116 :
117 : /*-------------------------------------------------------------------*
118 : * InitPsychLPC()
119 : *
120 : *
121 : *-------------------------------------------------------------------*/
122 :
123 30481 : void InitPsychLPC_fx(
124 : const Word32 sr_core, /* i : sampling rate of core-coder Q0*/
125 : const Word16 L_frame, /* i : frame length Q0*/
126 : const TCX_CONFIG_HANDLE hTcxCfg /* i : TCX configuration handle */
127 : )
128 : {
129 30481 : Word16 L_frame_ext = add( L_frame, shr( L_frame, 2 ) ); /*Q0*/
130 :
131 30481 : hTcxCfg->psychParamsCurrent = NULL;
132 :
133 30481 : PsychoacousticParameters_Init_fx( sr_core, shr( L_frame, 1 ), 64, 0, 1, &hTcxCfg->psychParamsTCX10 );
134 30481 : PsychoacousticParameters_Init_fx( sr_core, L_frame, 64, 1, 1, &hTcxCfg->psychParamsTCX20 );
135 30481 : PsychoacousticParameters_Init_fx( sr_core, L_frame_ext, 64, 1, 0, &hTcxCfg->psychParamsTCX20AfterACELP );
136 :
137 30481 : return;
138 : }
139 :
140 : /*-------------------------------------------------------------------*
141 : * SetCurrentPsychParams()
142 : *
143 : *
144 : *-------------------------------------------------------------------*/
145 :
146 1185185 : void SetCurrentPsychParams(
147 : const Word16 core, /*Q0*/
148 : const Word16 last_frame_was_concealed_cng, /*Q0*/
149 : TCX_CONFIG_HANDLE hTcxCfg )
150 : {
151 1185185 : test();
152 1185185 : IF( EQ_16( hTcxCfg->tcx_last_overlap_mode, TRANSITION_OVERLAP ) && ( last_frame_was_concealed_cng == 0 ) )
153 : {
154 2566 : assert( core == TCX_20_CORE );
155 2566 : hTcxCfg->psychParamsCurrent = &hTcxCfg->psychParamsTCX20AfterACELP;
156 : }
157 : ELSE
158 : {
159 1182619 : IF( EQ_16( core, TCX_10_CORE ) )
160 : {
161 26422 : hTcxCfg->psychParamsCurrent = &hTcxCfg->psychParamsTCX10;
162 : }
163 : ELSE
164 : {
165 1156197 : hTcxCfg->psychParamsCurrent = &hTcxCfg->psychParamsTCX20;
166 : }
167 : }
168 :
169 1185185 : return;
170 : }
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