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 <assert.h>
38 : #include <stdint.h>
39 : #include "options.h"
40 : #ifdef DEBUGGING
41 : #include "debug.h"
42 : #endif
43 : #include "stat_com.h"
44 : #include "prot.h"
45 : #include "wmc_auto.h"
46 :
47 :
48 : /********************************/
49 : /* Helper functions */
50 : /********************************/
51 :
52 : /** Put nBits long encoded value from *pStream into bitstream. Using the function EncodeValue for encoding. */
53 1705541 : static int16_t PutIntoBitstream( const int16_t **pStream, TEncodeValue EncodeValue, int16_t index, BSTR_ENC_HANDLE hBstr, const int16_t nBits )
54 : {
55 1705541 : const int16_t value = *( *pStream )++;
56 1705541 : const int16_t codedValue = EncodeValue( value, index );
57 :
58 1705541 : push_next_indice( hBstr, codedValue, nBits );
59 :
60 1705541 : return value;
61 : }
62 :
63 : /** Get nBits long value from bitstream into *pStream. */
64 5035500 : static int16_t GetFromBitstream(
65 : Decoder_State *st,
66 : TDecodeValue DecodeValue,
67 : uint16_t index,
68 : int16_t nFixedBits,
69 : int16_t **pStream )
70 : {
71 5035500 : int16_t value = 0;
72 5035500 : if ( DecodeValue != NULL )
73 : {
74 2183310 : DecodeValue( st, index, &value );
75 : }
76 : else
77 : {
78 2852190 : value = get_next_indice( st, nFixedBits );
79 : }
80 5035500 : *( *pStream )++ = value;
81 :
82 5035500 : return value;
83 : }
84 :
85 :
86 968386 : static int16_t FixedWidthEncoding( int16_t value, int16_t index )
87 : {
88 : (void) index; /* suppress compiler warnings */
89 :
90 968386 : return value;
91 : }
92 :
93 :
94 : /********************************/
95 : /* Interface functions */
96 : /********************************/
97 :
98 1750684 : void GetParameters(
99 : ParamsBitMap const *paramsBitMap,
100 : const int16_t nArrayLength,
101 : void const *pParameter,
102 : int16_t **pStream,
103 : int16_t *pnSize,
104 : int16_t *pnBits )
105 : {
106 : int16_t index;
107 : int16_t iParam, nParams;
108 : int16_t value;
109 : void const *pSubStruct;
110 :
111 1750684 : assert( ( paramsBitMap != NULL ) && ( nArrayLength > 0 ) && ( pParameter != NULL ) && ( pStream != NULL ) && ( pnSize != NULL ) && ( pnBits != NULL ) );
112 :
113 1750684 : nParams = paramsBitMap->nParams;
114 4049544 : for ( index = 0; index < nArrayLength; index++ )
115 : {
116 4669428 : for ( iParam = 0; iParam < nParams; iParam++ )
117 : {
118 2370568 : ParamBitMap const *const param = ¶msBitMap->params[iParam];
119 :
120 : #define WMC_TOOL_SKIP
121 2370568 : pSubStruct = param->GetParamValue( pParameter, index, &value );
122 : #undef WMC_TOOL_SKIP
123 : /* If a function for encoding/decoding value is defined than it should take care of 0 */
124 2370568 : if ( param->fZeroAllowed || ( param->EncodeValue != NULL ) )
125 : {
126 2281541 : *( *pStream )++ = value;
127 : }
128 : else
129 : {
130 89027 : *( *pStream )++ = value - 1;
131 : }
132 2370568 : ++*pnSize;
133 : #define WMC_TOOL_SKIP
134 2370568 : *pnBits += ( param->nBits != 0 ) ? param->nBits : param->GetNumberOfBits( value, index );
135 : #undef WMC_TOOL_SKIP
136 2370568 : if ( ( param->pSubParamBitMap != NULL ) && ( value > 0 ) )
137 : {
138 295864 : GetParameters( param->pSubParamBitMap, value, ( pSubStruct != NULL ) ? pSubStruct : pParameter, pStream, pnSize, pnBits );
139 : }
140 : }
141 : }
142 :
143 1750684 : return;
144 : }
145 :
146 :
147 3274329 : void SetParameters(
148 : ParamsBitMap const *paramsBitMap,
149 : const int16_t nArrayLength,
150 : void *pParameter,
151 : const int16_t **pStream,
152 : int16_t *pnSize )
153 : {
154 : int16_t index;
155 : int16_t iParam, nParams;
156 : int16_t value;
157 : void *pSubStruct;
158 :
159 3274329 : assert( ( paramsBitMap != NULL ) && ( nArrayLength > 0 ) && ( pParameter != NULL ) && ( pStream != NULL ) && ( pnSize != NULL ) );
160 :
161 3274329 : nParams = paramsBitMap->nParams;
162 8172342 : for ( index = 0; index < nArrayLength; index++ )
163 : {
164 10008789 : for ( iParam = 0; iParam < nParams; iParam++ )
165 : {
166 5110776 : ParamBitMap const *const param = ¶msBitMap->params[iParam];
167 : /* If a function for encoding/decoding value is defined than it should take care of 0 */
168 :
169 5110776 : value = *( *pStream )++ + ( param->fZeroAllowed || ( param->EncodeValue != NULL ) ? 0 : 1 );
170 : #define WMC_TOOL_SKIP
171 5110776 : pSubStruct = param->SetParamValue( pParameter, index, value );
172 : #undef WMC_TOOL_SKIP
173 5110776 : ++*pnSize;
174 5110776 : if ( ( param->pSubParamBitMap != NULL ) && ( value > 0 ) )
175 : {
176 876261 : SetParameters( param->pSubParamBitMap, value, ( pSubStruct != NULL ) ? pSubStruct : pParameter, pStream, pnSize );
177 : }
178 : }
179 : }
180 :
181 3274329 : return;
182 : }
183 :
184 :
185 1100479 : void WriteToBitstream(
186 : ParamsBitMap const *paramsBitMap,
187 : const int16_t nArrayLength,
188 : const int16_t **pStream,
189 : int16_t *pnSize,
190 : BSTR_ENC_HANDLE hBstr,
191 : int16_t *pnBits )
192 : {
193 : int16_t index;
194 : int16_t iParam, nParams;
195 :
196 1100479 : assert( ( paramsBitMap != NULL ) && ( nArrayLength > 0 ) && ( pStream != NULL ) && ( pnSize != NULL ) && ( hBstr != NULL ) && ( pnBits != NULL ) );
197 :
198 1100479 : nParams = paramsBitMap->nParams;
199 2736830 : for ( index = 0; index < nArrayLength; index++ )
200 : {
201 3341892 : for ( iParam = 0; iParam < nParams; iParam++ )
202 : {
203 1705541 : const ParamBitMap *param = ¶msBitMap->params[iParam];
204 : int16_t nBits;
205 : /* If a function for encoding/decoding value is defined than it should take care of 0 */
206 : int16_t fShiftValue;
207 : TEncodeValue EncodeValue;
208 : int16_t value;
209 :
210 : #define WMC_TOOL_SKIP
211 1705541 : nBits = ( param->nBits != 0 ) ? param->nBits : param->GetNumberOfBits( **pStream, index );
212 : #undef WMC_TOOL_SKIP
213 1705541 : fShiftValue = !param->fZeroAllowed && ( param->EncodeValue == NULL );
214 1705541 : EncodeValue = ( param->EncodeValue == NULL ) ? &FixedWidthEncoding : param->EncodeValue;
215 1705541 : value = PutIntoBitstream( pStream, EncodeValue, index, hBstr, nBits ) + ( fShiftValue ? 1 : 0 );
216 1705541 : ++*pnSize;
217 1705541 : *pnBits += nBits;
218 1705541 : if ( ( param->pSubParamBitMap != NULL ) && ( value > 0 ) )
219 : {
220 287792 : WriteToBitstream( param->pSubParamBitMap, value, pStream, pnSize, hBstr, pnBits );
221 : }
222 : }
223 : }
224 :
225 1100479 : return;
226 : }
227 :
228 :
229 3242904 : void ReadFromBitstream(
230 : ParamsBitMap const *paramsBitMap,
231 : const int16_t nArrayLength,
232 : Decoder_State *st,
233 : int16_t **pStream,
234 : int16_t *pnSize )
235 : {
236 : int16_t index;
237 : int16_t iParam, nParams;
238 : int16_t fShiftValue;
239 : int16_t value;
240 :
241 3242904 : assert( ( paramsBitMap != NULL ) && ( nArrayLength > 0 ) && ( pStream != NULL ) && ( pnSize != NULL ) && ( st != NULL ) );
242 :
243 3242904 : nParams = paramsBitMap->nParams;
244 8073081 : for ( index = 0; index < nArrayLength; index++ )
245 : {
246 9865677 : for ( iParam = 0; iParam < nParams; iParam++ )
247 : {
248 5035500 : ParamBitMap const *param = ¶msBitMap->params[iParam];
249 : /* If a function for encoding/decoding value is defined than it should take care of 0 */
250 :
251 5035500 : fShiftValue = !param->fZeroAllowed && ( param->EncodeValue == NULL );
252 5035500 : value = GetFromBitstream( st, param->DecodeValue, index, param->nBits, pStream ) + ( fShiftValue ? 1 : 0 );
253 5035500 : if ( ( param->pSubParamBitMap != NULL ) && ( value > 0 ) )
254 : {
255 852456 : ReadFromBitstream( param->pSubParamBitMap, value, st, pStream, pnSize );
256 : }
257 : }
258 : }
259 :
260 3242904 : *pnSize += nParams * nArrayLength;
261 :
262 3242904 : return;
263 : }
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