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 1013 : 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 1013 : error = IVAS_ERR_OK;
70 1013 : move32();
71 1013 : nCPE_old = st_ivas->nCPE;
72 1013 : move16();
73 1013 : nSCE_old = st_ivas->nSCE;
74 1013 : move16();
75 :
76 : /* temporarily set the ism mode back to the old one, otherwise this can give wrong results*/
77 1013 : ism_mode = st_ivas->ism_mode;
78 1013 : move16();
79 1013 : st_ivas->ism_mode = last_ism_mode;
80 1013 : move16();
81 1013 : ivas_init_dec_get_num_cldfb_instances_ivas_fx( st_ivas, &numCldfbAnalyses_old, &numCldfbSyntheses_old );
82 1013 : st_ivas->ism_mode = ism_mode;
83 1013 : move16();
84 1013 : nchan_out_buff_old = ivas_get_nchan_buffers_dec_ivas_fx( st_ivas, -1, -1 );
85 :
86 1013 : 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 1013 : st_ivas->nSCE = st_ivas->nchan_transport;
92 1013 : 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 1013 : tmp = BASOP_Util_Divide3216_Scale( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->nchan_transport, &tmp_e );
102 1013 : tmp = shr( tmp, sub( 15, tmp_e ) );
103 1013 : tmp_32 = L_deposit_l( tmp );
104 1013 : 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 1013 : 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 1013 : intern_config_old = st_ivas->intern_config;
119 1013 : move32();
120 1013 : hIntSetupOld = st_ivas->hIntSetup;
121 1013 : move32();
122 1013 : tc_granularity_new = 1;
123 1013 : move16();
124 1013 : renderer_type_old = st_ivas->renderer_type;
125 1013 : move32();
126 :
127 : /*-----------------------------------------------------------------*
128 : * Initialize the needed renderer struct and destroy the unnecessary renderer struct
129 : *-----------------------------------------------------------------*/
130 :
131 : /* select the renderer */
132 1013 : ivas_renderer_select( st_ivas );
133 :
134 1013 : ivas_output_init( &( st_ivas->hIntSetup ), st_ivas->intern_config );
135 :
136 1013 : test();
137 1013 : IF( ( EQ_32( st_ivas->renderer_type, RENDERER_SBA_LINEAR_ENC ) ) && ( EQ_32( st_ivas->ism_mode, ISM_MODE_DISC ) ) )
138 : {
139 78 : ivas_output_init( &( st_ivas->hIntSetup ), st_ivas->hDecoderConfig->output_config );
140 : }
141 :
142 : {
143 1013 : test();
144 1013 : test();
145 1013 : test();
146 : /* transfer subframe info from DirAC or ParamMC to central tc buffer */
147 1013 : IF( EQ_32( last_ism_mode, ISM_MODE_PARAM ) && st_ivas->hSpatParamRendCom != NULL && ( NE_32( st_ivas->renderer_type, RENDERER_MONO_DOWNMIX ) && NE_32( st_ivas->renderer_type, RENDERER_DISABLE ) ) )
148 : {
149 207 : st_ivas->hTcBuffer->nb_subframes = st_ivas->hSpatParamRendCom->nb_subframes;
150 207 : move16();
151 207 : st_ivas->hTcBuffer->subframes_rendered = st_ivas->hSpatParamRendCom->subframes_rendered;
152 207 : move16();
153 207 : st_ivas->hTcBuffer->num_slots = st_ivas->hSpatParamRendCom->num_slots;
154 207 : move16();
155 207 : st_ivas->hTcBuffer->slots_rendered = st_ivas->hSpatParamRendCom->slots_rendered;
156 207 : move16();
157 207 : 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 1013 : 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 1013 : 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 */
172 921 : 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 1013 : 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 1013 : test();
193 1013 : 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 ) )
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->hIntSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
214 : {
215 0 : IF( NE_32( ( error = ivas_reverb_open_fx( &st_ivas->hReverb, st_ivas->hDecoderConfig->output_config, NULL, st_ivas->hBinRendererTd->HrFiltSet_p->lr_energy_and_iac_fx, 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->hDecoderConfig->output_Fs ) ), IVAS_ERR_OK ) )
239 : {
240 0 : return error;
241 : }
242 :
243 92 : st_ivas->binaural_latency_ns = st_ivas->hCrendWrapper->binaural_latency_ns;
244 92 : move32();
245 : }
246 : }
247 :
248 : /* switching from Discrete ISM to ParamISM */
249 1013 : test();
250 1013 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) && EQ_32( last_ism_mode, ISM_MODE_DISC ) )
251 : {
252 : /* Allocate and initialize the ParamISM struct */
253 154 : IF( NE_32( ( error = ivas_param_ism_dec_open_fx( st_ivas ) ), IVAS_ERR_OK ) )
254 : {
255 0 : return error;
256 : }
257 :
258 154 : test();
259 154 : 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 ) )
260 : {
261 : /* open the parametric binaural renderer */
262 0 : IF( NE_32( ( error = ivas_dirac_dec_binaural_copy_hrtfs_fx( &st_ivas->hHrtfParambin ) ), IVAS_ERR_OK ) )
263 : {
264 0 : return error;
265 : }
266 :
267 0 : IF( NE_32( ( error = ivas_dirac_dec_init_binaural_data_fx( st_ivas, st_ivas->hHrtfParambin ) ), IVAS_ERR_OK ) )
268 : {
269 0 : return error;
270 : }
271 :
272 : /* Close the TD Binaural renderer */
273 0 : IF( st_ivas->hBinRendererTd->HrFiltSet_p->ModelParams.modelROM == TRUE )
274 : {
275 0 : ivas_td_binaural_close_fx( &st_ivas->hBinRendererTd );
276 0 : st_ivas->hHrtfTD = NULL;
277 :
278 0 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
279 : {
280 0 : ivas_reverb_close( &st_ivas->hReverb );
281 : }
282 : }
283 : }
284 : ELSE
285 : {
286 : /* Close the ISM renderer */
287 154 : ivas_ism_renderer_close( &st_ivas->hIsmRendererData );
288 : }
289 :
290 154 : IF( EQ_32( st_ivas->hOutSetup.output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR ) )
291 : {
292 : /* open the parametric binaural renderer */
293 92 : IF( NE_32( ( error = ivas_dirac_dec_binaural_copy_hrtfs_fx( &st_ivas->hHrtfParambin ) ), IVAS_ERR_OK ) )
294 : {
295 0 : return error;
296 : }
297 :
298 92 : IF( NE_32( ( error = ivas_dirac_dec_init_binaural_data_fx( st_ivas, st_ivas->hHrtfParambin ) ), IVAS_ERR_OK ) )
299 : {
300 0 : return error;
301 : }
302 :
303 : /* close the crend binaural renderer */
304 92 : ivas_rend_closeCrend( &( st_ivas->hCrendWrapper ) );
305 : }
306 : }
307 :
308 : /*-----------------------------------------------------------------*
309 : * CLDFB instances
310 : *-----------------------------------------------------------------*/
311 :
312 1013 : IF( NE_32( ( error = ivas_cldfb_dec_reconfig_fx( st_ivas, nchan_transport_old, numCldfbAnalyses_old, numCldfbSyntheses_old ) ), IVAS_ERR_OK ) )
313 : {
314 0 : return error;
315 : }
316 :
317 : /*-----------------------------------------------------------------*
318 : * floating-point output audio buffers
319 : *-----------------------------------------------------------------*/
320 :
321 : {
322 1013 : nchan_out_buff = ivas_get_nchan_buffers_dec( st_ivas, -1, -1 );
323 :
324 1013 : IF( NE_32( ( error = ivas_output_buff_dec_fx( st_ivas->p_output_fx, nchan_out_buff_old, nchan_out_buff ) ), IVAS_ERR_OK ) )
325 : {
326 0 : return error;
327 : }
328 : }
329 :
330 : /*-----------------------------------------------------------------*
331 : * JBM TC buffers
332 : *-----------------------------------------------------------------*/
333 : {
334 : Word16 tc_nchan_full_new;
335 : DECODER_TC_BUFFER_HANDLE hTcBuffer;
336 :
337 1013 : hTcBuffer = st_ivas->hTcBuffer;
338 1013 : tc_buffer_mode_new = ivas_jbm_dec_get_tc_buffer_mode( st_ivas );
339 1013 : tc_nchan_tc_new = ivas_jbm_dec_get_num_tc_channels_fx( st_ivas );
340 1013 : tc_nchan_allocate_new = tc_nchan_tc_new;
341 1013 : move16();
342 1013 : tc_nchan_full_new = tc_nchan_tc_new;
343 1013 : move16();
344 :
345 1013 : test();
346 1013 : test();
347 1013 : IF( EQ_32( st_ivas->renderer_type, RENDERER_BINAURAL_PARAMETRIC ) || EQ_32( st_ivas->renderer_type, RENDERER_BINAURAL_PARAMETRIC_ROOM ) || EQ_32( st_ivas->renderer_type, RENDERER_STEREO_PARAMETRIC ) )
348 : {
349 180 : tc_nchan_allocate_new = 2 * BINAURAL_CHANNELS;
350 180 : move16();
351 180 : tc_nchan_full_new = tc_nchan_allocate_new;
352 180 : move16();
353 : }
354 :
355 1013 : test();
356 1013 : test();
357 1013 : test();
358 1013 : test();
359 1013 : 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 ) ) )
360 : {
361 71 : tc_nchan_full_new = 0;
362 71 : move16();
363 : }
364 :
365 : /* reconfigure buffer */
366 1013 : test();
367 1013 : test();
368 1013 : test();
369 1013 : IF( NE_32( hTcBuffer->tc_buffer_mode, tc_buffer_mode_new ) || NE_16( hTcBuffer->nchan_transport_jbm, tc_nchan_tc_new ) ||
370 : NE_16( hTcBuffer->nchan_buffer_full, tc_nchan_full_new ) || NE_16( hTcBuffer->nchan_transport_internal, tc_nchan_allocate_new ) )
371 : {
372 312 : 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 ) )
373 : {
374 0 : return error;
375 : }
376 : }
377 :
378 : /* transfer subframe info from central tc buffer to ParamMC or McMASA (DirAC) */
379 1013 : IF( st_ivas->hSpatParamRendCom != NULL )
380 : {
381 251 : st_ivas->hSpatParamRendCom->nb_subframes = st_ivas->hTcBuffer->nb_subframes;
382 251 : move16();
383 251 : st_ivas->hSpatParamRendCom->subframes_rendered = st_ivas->hTcBuffer->subframes_rendered;
384 251 : move16();
385 251 : st_ivas->hSpatParamRendCom->num_slots = st_ivas->hTcBuffer->num_slots;
386 251 : move16();
387 251 : st_ivas->hSpatParamRendCom->slots_rendered = st_ivas->hTcBuffer->slots_rendered;
388 251 : move16();
389 :
390 251 : Copy( st_ivas->hTcBuffer->subframe_nbslots, st_ivas->hSpatParamRendCom->subframe_nbslots, MAX_JBM_SUBFRAMES_5MS );
391 : }
392 : }
393 :
394 1013 : return error;
395 : }
396 :
397 : /*-------------------------------------------------------------------------
398 : * ivas_ism_dec_config()
399 : *
400 : * - select ISM format mode
401 : * - reconfigure the ISM format decoder
402 : *-------------------------------------------------------------------------*/
403 :
404 91501 : ivas_error ivas_ism_dec_config_fx(
405 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
406 : const ISM_MODE last_ism_mode, /* i/o: last ISM mode */
407 : UWord16 *nSamplesRendered, /* o : number of samples flushed when the renderer granularity changes */
408 : Word16 *data /* o : output synthesis signal Q0*/
409 : )
410 : {
411 : Word32 ivas_total_brate;
412 : ivas_error error;
413 : Word16 nchan_transport_old;
414 :
415 91501 : error = IVAS_ERR_OK;
416 91501 : move32();
417 91501 : ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
418 91501 : move32();
419 : /* Assumes that num of input objects are constant */
420 91501 : nchan_transport_old = st_ivas->nchan_ism;
421 91501 : move16();
422 :
423 91501 : if ( EQ_32( last_ism_mode, ISM_MODE_PARAM ) )
424 : {
425 15745 : nchan_transport_old = MAX_PARAM_ISM_WAVE;
426 15745 : move16();
427 : }
428 :
429 91501 : test();
430 91501 : test();
431 91501 : test();
432 91501 : IF( !st_ivas->bfi && NE_32( ivas_total_brate, IVAS_SID_5k2 ) && ( ivas_total_brate != FRAME_NO_DATA ) )
433 : {
434 : /* select ISM format mode */
435 90951 : st_ivas->ism_mode = ivas_ism_mode_select( st_ivas->nchan_ism, ivas_total_brate );
436 90951 : move32();
437 90951 : st_ivas->nchan_transport = st_ivas->nchan_ism;
438 90951 : move16();
439 :
440 90951 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) )
441 : {
442 15649 : st_ivas->nchan_transport = MAX_PARAM_ISM_WAVE;
443 15649 : move16();
444 15649 : if ( EQ_32( st_ivas->hDecoderConfig->output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
445 : {
446 513 : st_ivas->hDecoderConfig->nchan_out = st_ivas->nchan_ism;
447 513 : move16();
448 : }
449 : }
450 :
451 90951 : IF( st_ivas->ini_active_frame != 0 )
452 : {
453 : /* ISM bit-rate switching */
454 : {
455 90884 : test();
456 90884 : 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 ) ) )
457 : {
458 1007 : IF( NE_16( ( error = ivas_ism_bitrate_switching_dec_fx( st_ivas, nchan_transport_old, last_ism_mode, nSamplesRendered,
459 : data ) ),
460 : IVAS_ERR_OK ) )
461 : {
462 0 : return error;
463 : }
464 : }
465 : }
466 : }
467 : }
468 550 : ELSE IF( !st_ivas->bfi && EQ_32( ivas_total_brate, IVAS_SID_5k2 ) )
469 : {
470 550 : st_ivas->nchan_transport = st_ivas->nchan_ism;
471 550 : move16();
472 550 : IF( EQ_32( st_ivas->ism_mode, ISM_MODE_PARAM ) )
473 : {
474 107 : st_ivas->nchan_transport = MAX_PARAM_ISM_WAVE;
475 107 : move16();
476 107 : if ( EQ_32( st_ivas->hDecoderConfig->output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
477 : {
478 7 : st_ivas->hDecoderConfig->nchan_out = st_ivas->nchan_ism;
479 7 : move16();
480 : }
481 : }
482 :
483 : /* ISM mode switching */
484 550 : IF( NE_32( st_ivas->ism_mode, last_ism_mode ) )
485 : {
486 6 : IF( NE_16( ( error = ivas_ism_bitrate_switching_dec_fx( st_ivas, nchan_transport_old, last_ism_mode, nSamplesRendered,
487 : data ) ),
488 : IVAS_ERR_OK ) )
489 : {
490 0 : return error;
491 : }
492 : }
493 : }
494 :
495 91501 : SWITCH( st_ivas->nchan_ism )
496 : {
497 18984 : case 1:
498 18984 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM1;
499 18984 : move32();
500 18984 : BREAK;
501 16097 : case 2:
502 16097 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM2;
503 16097 : move32();
504 16097 : BREAK;
505 16285 : case 3:
506 16285 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM3;
507 16285 : move32();
508 16285 : BREAK;
509 40135 : case 4:
510 40135 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_ISM4;
511 40135 : move32();
512 40135 : BREAK;
513 0 : default:
514 0 : st_ivas->transport_config = IVAS_AUDIO_CONFIG_INVALID;
515 0 : move32();
516 0 : BREAK;
517 : }
518 91501 : return error;
519 : }
|
