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 "prot_fx.h"
36 : #include "ivas_prot_fx.h"
37 : #include "ivas_prot_rend_fx.h"
38 : #include "wmc_auto.h"
39 : #include "ivas_prot_fx.h"
40 :
41 :
42 : /*-------------------------------------------------------------------------*
43 : * ivas_ism_bitrate_switching_dec()
44 : *
45 : *
46 : *-------------------------------------------------------------------------*/
47 :
48 994 : static ivas_error ivas_ism_bitrate_switching_dec_fx(
49 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
50 : const Word16 nchan_transport_old, /* i : last number of transport channels */
51 : const ISM_MODE last_ism_mode, /* i : last ISM mode */
52 : UWord16 *nSamplesRendered, /* o : number of samples rendered */
53 : Word16 *data /* o : output synthesis signal Q0*/
54 : )
55 : {
56 : ivas_error error;
57 : Word32 element_brate_tmp[MAX_NUM_OBJECTS];
58 : Word16 nSCE_old, nCPE_old;
59 : Word16 numCldfbAnalyses_old, numCldfbSyntheses_old, ism_mode;
60 : TC_BUFFER_MODE tc_buffer_mode_new;
61 : Word16 tc_nchan_tc_new;
62 : Word16 tc_nchan_allocate_new;
63 : Word16 tc_granularity_new;
64 : Word16 nchan_out_buff, nchan_out_buff_old;
65 : AUDIO_CONFIG intern_config_old;
66 : IVAS_OUTPUT_SETUP hIntSetupOld;
67 : RENDERER_TYPE renderer_type_old;
68 :
69 994 : error = IVAS_ERR_OK;
70 994 : move32();
71 994 : nCPE_old = st_ivas->nCPE;
72 994 : move16();
73 994 : nSCE_old = st_ivas->nSCE;
74 994 : move16();
75 :
76 : /* temporarily set the ism mode back to the old one, otherwise this can give wrong results*/
77 994 : ism_mode = st_ivas->ism_mode;
78 994 : move16();
79 994 : st_ivas->ism_mode = last_ism_mode;
80 994 : move16();
81 994 : ivas_init_dec_get_num_cldfb_instances_fx( st_ivas, &numCldfbAnalyses_old, &numCldfbSyntheses_old );
82 994 : st_ivas->ism_mode = ism_mode;
83 994 : move16();
84 994 : nchan_out_buff_old = ivas_get_nchan_buffers_dec_fx( st_ivas, -1, -1 );
85 :
86 994 : IF( NE_32( ( error = ivas_ism_config_fx( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->nchan_transport, st_ivas->nchan_ism, NULL, 0, NULL, NULL, element_brate_tmp, NULL, NULL, 0 ) ), IVAS_ERR_OK ) )
87 : {
88 0 : return error;
89 : }
90 :
91 994 : st_ivas->nSCE = st_ivas->nchan_transport;
92 994 : move16();
93 :
94 : /*-----------------------------------------------------------------*
95 : * Allocate, initialize, and configure SCE/CPE/MCT handles
96 : *-----------------------------------------------------------------*/
97 :
98 : /* st_ivas->hDecoderConfig->ivas_total_brate / st_ivas->nchan_transport */
99 : Word16 tmp, tmp_e;
100 : Word32 tmp_32;
101 994 : tmp = BASOP_Util_Divide3216_Scale( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->nchan_transport, &tmp_e );
102 994 : tmp = shr( tmp, sub( 15, tmp_e ) );
103 994 : tmp_32 = L_deposit_l( tmp );
104 994 : IF( NE_32( ( error = ivas_corecoder_dec_reconfig_fx( st_ivas, nSCE_old, nCPE_old, nchan_transport_old, 0, tmp_32, L_shl( tmp_32, 1 ) ) ), IVAS_ERR_OK ) )
105 : {
106 0 : return error;
107 : }
108 :
109 : /*-----------------------------------------------------------------*
110 : * HP20 memories
111 : *-----------------------------------------------------------------*/
112 994 : IF( NE_32( ( error = ivas_hp20_dec_reconfig_fx( st_ivas, nchan_transport_old ) ), IVAS_ERR_OK ) )
113 : {
114 0 : return error;
115 : }
116 :
117 : /* save old IntSetup, might be needed for JBM flushing...*/
118 994 : intern_config_old = st_ivas->intern_config;
119 994 : move32();
120 994 : hIntSetupOld = st_ivas->hIntSetup;
121 994 : move32();
122 994 : tc_granularity_new = 1;
123 994 : move16();
124 994 : renderer_type_old = st_ivas->renderer_type;
125 994 : move32();
126 :
127 : /*-----------------------------------------------------------------*
128 : * Initialize the needed renderer struct and destroy the unnecessary renderer struct
129 : *-----------------------------------------------------------------*/
130 :
131 : /* select the renderer */
132 994 : ivas_renderer_select( st_ivas );
133 :
134 994 : ivas_output_init( &( st_ivas->hIntSetup ), st_ivas->intern_config );
135 :
136 994 : test();
137 994 : IF( ( EQ_32( st_ivas->renderer_type, RENDERER_SBA_LINEAR_ENC ) ) && ( EQ_32( st_ivas->ism_mode, ISM_MODE_DISC ) ) )
138 : {
139 75 : ivas_output_init( &( st_ivas->hIntSetup ), st_ivas->hDecoderConfig->output_config );
140 : }
141 :
142 : {
143 994 : test();
144 994 : test();
145 : /* transfer subframe info from DirAC or ParamMC to central tc buffer */
146 : /* only do this if we are not having done everything already in the TC decoding part and having only played out from the TC buffer */
147 994 : IF( EQ_32( last_ism_mode, ISM_MODE_PARAM ) && st_ivas->hSpatParamRendCom != NULL && NE_32( st_ivas->hTcBuffer->tc_buffer_mode, TC_BUFFER_MODE_BUFFER ) )
148 : {
149 241 : st_ivas->hTcBuffer->nb_subframes = st_ivas->hSpatParamRendCom->nb_subframes;
150 241 : move16();
151 241 : st_ivas->hTcBuffer->subframes_rendered = st_ivas->hSpatParamRendCom->subframes_rendered;
152 241 : move16();
153 241 : st_ivas->hTcBuffer->num_slots = st_ivas->hSpatParamRendCom->num_slots;
154 241 : move16();
155 241 : st_ivas->hTcBuffer->slots_rendered = st_ivas->hSpatParamRendCom->slots_rendered;
156 241 : move16();
157 241 : Copy( st_ivas->hSpatParamRendCom->subframe_nbslots, st_ivas->hTcBuffer->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
158 : }
159 :
160 : /* JBM: when granularity goes down (e.g. Discrete ISM with TD Obj Renderer -> ParamISM with binaural fastconv
161 : render what still fits in the new granularity */
162 994 : tc_granularity_new = ivas_jbm_dec_get_render_granularity( st_ivas->renderer_type, st_ivas->ivas_format, st_ivas->mc_mode, st_ivas->hDecoderConfig->output_Fs );
163 :
164 994 : IF( LT_16( tc_granularity_new, st_ivas->hTcBuffer->n_samples_granularity ) )
165 : {
166 92 : IF( NE_32( ( error = ivas_jbm_dec_flush_renderer_fx( st_ivas, tc_granularity_new, renderer_type_old, intern_config_old, &hIntSetupOld, MC_MODE_NONE, last_ism_mode, nSamplesRendered, data ) ), IVAS_ERR_OK ) )
167 : {
168 0 : return error;
169 : }
170 : }
171 : /* JBM: when granularity goes up set samples to discard at the beginning of the frame */
172 902 : ELSE IF( GT_16( tc_granularity_new, st_ivas->hTcBuffer->n_samples_granularity ) )
173 : {
174 92 : IF( NE_32( ( error = ivas_jbm_dec_set_discard_samples( st_ivas ) ), IVAS_ERR_OK ) )
175 : {
176 0 : return error;
177 : }
178 : }
179 : }
180 :
181 994 : IF( NE_16( st_ivas->ism_mode, last_ism_mode ) )
182 : {
183 : /* EFAP handle */
184 311 : efap_free_data_fx( &st_ivas->hEFAPdata );
185 : }
186 :
187 : /*-----------------------------------------------------------------*
188 : * Switching between ParamISM and DiscISM
189 : *-----------------------------------------------------------------*/
190 :
191 : /* switching from ParamISM to DiscISM */
192 994 : test();
193 994 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_DISC ) && EQ_32( last_ism_mode, ISM_MODE_PARAM ) )
194 : {
195 : /* Deallocate the ParamISM struct */
196 157 : ivas_param_ism_dec_close_fx( &( st_ivas->hParamIsmDec ), &( st_ivas->hSpatParamRendCom ), st_ivas->hDecoderConfig->output_config );
197 :
198 157 : test();
199 157 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL ) || EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) || EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED ) || EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM ) )
200 : {
201 : /* close the parametric binaural renderer */
202 0 : ivas_dirac_dec_close_binaural_data( st_ivas->hDiracDecBin );
203 : /* Open the TD Binaural renderer */
204 0 : test();
205 0 : IF( st_ivas->hHrtfTD == NULL || st_ivas->hBinRendererTd == NULL )
206 : {
207 : Word16 SrcInd[MAX_NUM_TDREND_CHANNELS];
208 : Word16 num_src;
209 0 : IF( NE_32( ( error = ivas_td_binaural_open_fx( st_ivas, SrcInd, &num_src ) ), IVAS_ERR_OK ) )
210 : {
211 0 : return error;
212 : }
213 0 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
214 : {
215 0 : IF( NE_32( ( error = ivas_reverb_open_fx( &st_ivas->hReverb, st_ivas->hHrtfStatistics, st_ivas->hRenderConfig, st_ivas->hDecoderConfig->output_Fs ) ), IVAS_ERR_OK ) )
216 : {
217 0 : return error;
218 : }
219 : }
220 : }
221 : }
222 : ELSE
223 : {
224 : /* close the ISM renderer and reinitialize */
225 157 : ivas_ism_renderer_close( &st_ivas->hIsmRendererData );
226 157 : IF( NE_32( ( error = ivas_ism_renderer_open_fx( st_ivas ) ), IVAS_ERR_OK ) )
227 : {
228 0 : return error;
229 : }
230 : }
231 :
232 157 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR ) )
233 : {
234 : /* close the parametric binaural renderer */
235 92 : ivas_dirac_dec_close_binaural_data( st_ivas->hDiracDecBin );
236 :
237 : /* Open Crend Binaural renderer */
238 92 : IF( NE_32( ( error = ivas_rend_openCrend( &( st_ivas->hCrendWrapper ), st_ivas->intern_config, st_ivas->hOutSetup.output_config, st_ivas->hRenderConfig, st_ivas->hSetOfHRTF, st_ivas->hHrtfStatistics, st_ivas->hDecoderConfig->output_Fs, ( st_ivas->hSplitBinRend == NULL ) ? 1 : st_ivas->hSplitBinRend->splitrend.multiBinPoseData.num_poses ) ), IVAS_ERR_OK ) )
239 :
240 0 : st_ivas->binaural_latency_ns = st_ivas->hCrendWrapper->binaural_latency_ns;
241 92 : move32();
242 : }
243 : }
244 :
245 : /* switching from Discrete ISM to ParamISM */
246 994 : test();
247 994 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) && EQ_32( last_ism_mode, ISM_MODE_DISC ) )
248 : {
249 : /* Allocate and initialize the ParamISM struct */
250 154 : IF( NE_32( ( error = ivas_param_ism_dec_open_fx( st_ivas ) ), IVAS_ERR_OK ) )
251 : {
252 0 : return error;
253 : }
254 :
255 154 : test();
256 154 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL ) || EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) || EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED ) || EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM ) )
257 : {
258 : /* open the parametric binaural renderer */
259 0 : IF( NE_32( ( error = ivas_dirac_dec_binaural_copy_hrtfs_fx( &st_ivas->hHrtfParambin ) ), IVAS_ERR_OK ) )
260 : {
261 0 : return error;
262 : }
263 :
264 0 : IF( NE_32( ( error = ivas_dirac_dec_init_binaural_data_fx( st_ivas, &( st_ivas->hHrtfParambin ) ) ), IVAS_ERR_OK ) )
265 : {
266 0 : return error;
267 : }
268 :
269 : /* Close the TD Binaural renderer */
270 0 : ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
271 :
272 0 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
273 : {
274 0 : ivas_reverb_close( &st_ivas->hReverb );
275 : }
276 : }
277 : ELSE
278 : {
279 : /* Close the ISM renderer */
280 154 : ivas_ism_renderer_close( &st_ivas->hIsmRendererData );
281 : }
282 :
283 154 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR ) )
284 : {
285 : /* open the parametric binaural renderer */
286 92 : IF( NE_32( ( error = ivas_dirac_dec_binaural_copy_hrtfs_fx( &st_ivas->hHrtfParambin ) ), IVAS_ERR_OK ) )
287 : {
288 0 : return error;
289 : }
290 :
291 92 : IF( NE_32( ( error = ivas_dirac_dec_init_binaural_data_fx( st_ivas, &( st_ivas->hHrtfParambin ) ) ), IVAS_ERR_OK ) )
292 : {
293 0 : return error;
294 : }
295 :
296 : /* close the crend binaural renderer */
297 92 : ivas_rend_closeCrend( &( st_ivas->hCrendWrapper ), ( st_ivas->hSplitBinRend == NULL ) ? 1 : st_ivas->hSplitBinRend->splitrend.multiBinPoseData.num_poses );
298 : }
299 : }
300 :
301 : /*-----------------------------------------------------------------*
302 : * CLDFB instances
303 : *-----------------------------------------------------------------*/
304 :
305 994 : IF( NE_32( ( error = ivas_cldfb_dec_reconfig_fx( st_ivas, nchan_transport_old, numCldfbAnalyses_old, numCldfbSyntheses_old ) ), IVAS_ERR_OK ) )
306 : {
307 0 : return error;
308 : }
309 :
310 : /*-----------------------------------------------------------------*
311 : * floating-point output audio buffers
312 : *-----------------------------------------------------------------*/
313 :
314 : {
315 994 : nchan_out_buff = ivas_get_nchan_buffers_dec_fx( st_ivas, -1, -1 );
316 :
317 994 : IF( NE_32( ( error = ivas_output_buff_dec_fx( st_ivas->p_output_fx, nchan_out_buff_old, nchan_out_buff ) ), IVAS_ERR_OK ) )
318 : {
319 0 : return error;
320 : }
321 : }
322 :
323 : /*-----------------------------------------------------------------*
324 : * JBM TC buffers
325 : *-----------------------------------------------------------------*/
326 : {
327 : Word16 tc_nchan_full_new;
328 : DECODER_TC_BUFFER_HANDLE hTcBuffer;
329 :
330 994 : hTcBuffer = st_ivas->hTcBuffer;
331 994 : tc_buffer_mode_new = ivas_jbm_dec_get_tc_buffer_mode( st_ivas );
332 994 : tc_nchan_tc_new = ivas_jbm_dec_get_num_tc_channels_fx( st_ivas );
333 994 : tc_nchan_allocate_new = tc_nchan_tc_new;
334 994 : move16();
335 994 : tc_nchan_full_new = tc_nchan_tc_new;
336 994 : move16();
337 :
338 994 : test();
339 994 : test();
340 994 : test();
341 994 : test();
342 994 : if ( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) && ( NE_32( st_ivas->renderer_type, RENDERER_MONO_DOWNMIX ) && NE_32( st_ivas->renderer_type, RENDERER_DISABLE ) && NE_32( st_ivas->renderer_type, RENDERER_BINAURAL_PARAMETRIC ) && NE_32( st_ivas->renderer_type, RENDERER_BINAURAL_PARAMETRIC_ROOM ) ) )
343 : {
344 71 : tc_nchan_full_new = 0;
345 71 : move16();
346 : }
347 :
348 : /* reconfigure buffer */
349 994 : test();
350 994 : test();
351 994 : test();
352 994 : IF( NE_32( hTcBuffer->tc_buffer_mode, tc_buffer_mode_new ) || NE_16( hTcBuffer->nchan_transport_jbm, tc_nchan_tc_new ) ||
353 : NE_16( hTcBuffer->nchan_buffer_full, tc_nchan_full_new ) || NE_16( hTcBuffer->nchan_transport_internal, tc_nchan_allocate_new ) )
354 : {
355 311 : IF( NE_32( ( error = ivas_jbm_dec_tc_buffer_reconfigure_fx( st_ivas, tc_buffer_mode_new, tc_nchan_tc_new, tc_nchan_allocate_new, tc_nchan_full_new, tc_granularity_new ) ), IVAS_ERR_OK ) )
356 : {
357 0 : return error;
358 : }
359 : }
360 :
361 : /* transfer subframe info from central tc buffer to ParamMC or McMASA (DirAC) */
362 994 : IF( st_ivas->hSpatParamRendCom != NULL )
363 : {
364 238 : st_ivas->hSpatParamRendCom->nb_subframes = st_ivas->hTcBuffer->nb_subframes;
365 238 : move16();
366 238 : st_ivas->hSpatParamRendCom->subframes_rendered = st_ivas->hTcBuffer->subframes_rendered;
367 238 : move16();
368 238 : st_ivas->hSpatParamRendCom->num_slots = st_ivas->hTcBuffer->num_slots;
369 238 : move16();
370 238 : st_ivas->hSpatParamRendCom->slots_rendered = st_ivas->hTcBuffer->slots_rendered;
371 238 : move16();
372 :
373 238 : Copy( st_ivas->hTcBuffer->subframe_nbslots, st_ivas->hSpatParamRendCom->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
374 : }
375 : }
376 :
377 994 : return error;
378 : }
379 :
380 : /*-------------------------------------------------------------------------
381 : * ivas_ism_dec_config()
382 : *
383 : * - select ISM format mode
384 : * - reconfigure the ISM format decoder
385 : *-------------------------------------------------------------------------*/
386 :
387 92520 : ivas_error ivas_ism_dec_config_fx(
388 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
389 : const ISM_MODE last_ism_mode, /* i/o: last ISM mode */
390 : UWord16 *nSamplesRendered, /* o : number of samples flushed when the renderer granularity changes */
391 : Word16 *data /* o : output synthesis signal Q0*/
392 : )
393 : {
394 : Word32 ivas_total_brate;
395 : ivas_error error;
396 : Word16 nchan_transport_old;
397 :
398 92520 : error = IVAS_ERR_OK;
399 92520 : move32();
400 92520 : ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
401 92520 : move32();
402 : /* Assumes that num of input objects are constant */
403 92520 : nchan_transport_old = st_ivas->nchan_ism;
404 92520 : move16();
405 :
406 92520 : if ( EQ_32( last_ism_mode, ISM_MODE_PARAM ) )
407 : {
408 15768 : nchan_transport_old = MAX_PARAM_ISM_WAVE;
409 15768 : move16();
410 : }
411 :
412 92520 : test();
413 92520 : test();
414 92520 : test();
415 92520 : IF( !st_ivas->bfi && NE_32( ivas_total_brate, IVAS_SID_5k2 ) && ( ivas_total_brate != FRAME_NO_DATA ) )
416 : {
417 : /* select ISM format mode */
418 91989 : st_ivas->ism_mode = ivas_ism_mode_select( st_ivas->nchan_ism, ivas_total_brate );
419 91989 : move32();
420 91989 : st_ivas->nchan_transport = st_ivas->nchan_ism;
421 91989 : move16();
422 :
423 91989 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) )
424 : {
425 15685 : st_ivas->nchan_transport = MAX_PARAM_ISM_WAVE;
426 15685 : move16();
427 15685 : if ( EQ_32( st_ivas->hDecoderConfig->output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
428 : {
429 513 : st_ivas->hDecoderConfig->nchan_out = st_ivas->nchan_ism;
430 513 : move16();
431 : }
432 : }
433 :
434 91989 : IF( st_ivas->ini_active_frame != 0 )
435 : {
436 : /* ISM bit-rate switching */
437 91921 : test();
438 91921 : IF( ( NE_16( st_ivas->ism_mode, last_ism_mode ) ) || ( NE_32( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->hDecoderConfig->last_ivas_total_brate ) ) )
439 : {
440 988 : IF( NE_16( ( error = ivas_ism_bitrate_switching_dec_fx( st_ivas, nchan_transport_old, last_ism_mode, nSamplesRendered, data ) ), IVAS_ERR_OK ) )
441 : {
442 0 : return error;
443 : }
444 : }
445 : }
446 : }
447 531 : ELSE IF( !st_ivas->bfi && EQ_32( ivas_total_brate, IVAS_SID_5k2 ) )
448 : {
449 531 : st_ivas->nchan_transport = st_ivas->nchan_ism;
450 531 : move16();
451 531 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) )
452 : {
453 94 : st_ivas->nchan_transport = MAX_PARAM_ISM_WAVE;
454 94 : move16();
455 94 : if ( EQ_32( st_ivas->hDecoderConfig->output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
456 : {
457 7 : st_ivas->hDecoderConfig->nchan_out = st_ivas->nchan_ism;
458 7 : move16();
459 : }
460 : }
461 :
462 : /* ISM mode switching */
463 531 : IF( NE_32( st_ivas->ism_mode, last_ism_mode ) )
464 : {
465 6 : IF( NE_16( ( error = ivas_ism_bitrate_switching_dec_fx( st_ivas, nchan_transport_old, last_ism_mode, nSamplesRendered, data ) ), IVAS_ERR_OK ) )
466 : {
467 0 : return error;
468 : }
469 : }
470 : }
471 :
472 92520 : SWITCH( st_ivas->nchan_ism )
473 : {
474 18984 : case 1:
475 18984 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM1;
476 18984 : move32();
477 18984 : BREAK;
478 16093 : case 2:
479 16093 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM2;
480 16093 : move32();
481 16093 : BREAK;
482 16285 : case 3:
483 16285 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM3;
484 16285 : move32();
485 16285 : BREAK;
486 41158 : case 4:
487 41158 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM4;
488 41158 : move32();
489 41158 : BREAK;
490 0 : default:
491 0 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_INVALID;
492 0 : move32();
493 0 : BREAK;
494 : }
495 92520 : return error;
496 : }
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