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_cnst.h"
36 : #include "prot_fx.h"
37 : #include "ivas_prot_rend_fx.h"
38 : #include "ivas_rom_com.h"
39 : #include "ivas_rom_com_fx.h"
40 : #include "wmc_auto.h"
41 : #include "ivas_prot_fx.h"
42 : /*-------------------------------------------------------------------------*
43 : * audioCfg2channels()
44 : *
45 : * Map Audio configuration to number of channels
46 : *-------------------------------------------------------------------------*/
47 :
48 : /*! r: number of audio channels */
49 14542276 : Word16 audioCfg2channels(
50 : AUDIO_CONFIG output_config /* i : output audio configuration */
51 : )
52 : {
53 : Word16 nchan_out;
54 :
55 14542276 : SWITCH( output_config )
56 : {
57 340495 : case IVAS_AUDIO_CONFIG_MONO:
58 340495 : nchan_out = 1;
59 340495 : move16();
60 340495 : BREAK;
61 593867 : case IVAS_AUDIO_CONFIG_STEREO:
62 593867 : nchan_out = 2;
63 593867 : move16();
64 593867 : BREAK;
65 1498419 : case IVAS_AUDIO_CONFIG_5_1:
66 1498419 : nchan_out = 6;
67 1498419 : move16();
68 1498419 : BREAK;
69 221554 : case IVAS_AUDIO_CONFIG_7_1:
70 221554 : nchan_out = 8;
71 221554 : move16();
72 221554 : BREAK;
73 70962 : case IVAS_AUDIO_CONFIG_5_1_2:
74 70962 : nchan_out = 8;
75 70962 : move16();
76 70962 : BREAK;
77 109083 : case IVAS_AUDIO_CONFIG_5_1_4:
78 109083 : nchan_out = 10;
79 109083 : move16();
80 109083 : BREAK;
81 1151745 : case IVAS_AUDIO_CONFIG_7_1_4:
82 1151745 : nchan_out = 12;
83 1151745 : move16();
84 1151745 : BREAK;
85 2767704 : case IVAS_AUDIO_CONFIG_FOA:
86 2767704 : nchan_out = 4;
87 2767704 : move16();
88 2767704 : BREAK;
89 378385 : case IVAS_AUDIO_CONFIG_HOA2:
90 378385 : nchan_out = 9;
91 378385 : move16();
92 378385 : BREAK;
93 2187511 : case IVAS_AUDIO_CONFIG_HOA3:
94 2187511 : nchan_out = 16;
95 2187511 : move16();
96 2187511 : BREAK;
97 0 : case IVAS_AUDIO_CONFIG_OBA:
98 0 : nchan_out = 8;
99 0 : move16();
100 0 : BREAK;
101 3875125 : case IVAS_AUDIO_CONFIG_BINAURAL:
102 : case IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR:
103 : case IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB:
104 3875125 : nchan_out = 2;
105 3875125 : move16();
106 3875125 : BREAK;
107 433250 : case IVAS_AUDIO_CONFIG_ISM1:
108 433250 : nchan_out = 1;
109 433250 : move16();
110 433250 : BREAK;
111 146395 : case IVAS_AUDIO_CONFIG_ISM2:
112 146395 : nchan_out = 2;
113 146395 : move16();
114 146395 : BREAK;
115 175976 : case IVAS_AUDIO_CONFIG_ISM3:
116 175976 : nchan_out = 3;
117 175976 : move16();
118 175976 : BREAK;
119 459805 : case IVAS_AUDIO_CONFIG_ISM4:
120 459805 : nchan_out = 4;
121 459805 : move16();
122 459805 : BREAK;
123 132000 : default:
124 132000 : IVAS_ERROR( IVAS_ERR_INTERNAL, "Error: illegal output configuration\n" );
125 132000 : nchan_out = -1;
126 132000 : move16();
127 132000 : BREAK;
128 : }
129 :
130 14542276 : return ( nchan_out );
131 : }
132 :
133 : /*-------------------------------------------------------------------------*
134 : * ivas_output_init()
135 : *
136 : * Initialize and configure IVAS output parameters
137 : *-------------------------------------------------------------------------*/
138 5347 : void ivas_output_init(
139 : IVAS_OUTPUT_SETUP *hOutSetup, /* o : IVAS output setup structure */
140 : const AUDIO_CONFIG output_config /* i : output audio configuration */
141 : )
142 : {
143 : Word16 nchan_out;
144 :
145 : /* set general default values */
146 5347 : hOutSetup->output_config = output_config;
147 5347 : move16();
148 5347 : hOutSetup->is_loudspeaker_setup = 0;
149 5347 : move16();
150 5347 : hOutSetup->is_binaural_setup = 0;
151 5347 : move16();
152 5347 : hOutSetup->ambisonics_order = -1;
153 5347 : move16();
154 5347 : hOutSetup->separateChannelEnabled = 0;
155 5347 : move16();
156 5347 : hOutSetup->separateChannelIndex = 0;
157 5347 : move16();
158 :
159 5347 : IF( EQ_16( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
160 : {
161 5 : hOutSetup->is_loudspeaker_setup = 1;
162 5 : move16();
163 : /* set in ivas_init_decoder: */
164 : /* hOutSetup->ls_azimuth */
165 : /* hOutSetup->ls_elevation */
166 : /* hOutSetup->num_lfe */
167 : /* hOutSetup->index_lfe[0] */
168 : /* hOutSetup->is_planar_setup */
169 : }
170 : ELSE
171 : {
172 : /* Set default values for all other than custom LS setup */
173 5342 : hOutSetup->ls_azimuth_fx = NULL;
174 5342 : hOutSetup->ls_elevation_fx = NULL;
175 5342 : hOutSetup->num_lfe = 0;
176 5342 : move16();
177 5342 : hOutSetup->index_lfe[0] = -1;
178 5342 : move16();
179 5342 : hOutSetup->is_planar_setup = 0;
180 5342 : move16();
181 :
182 : /* set output setup specific values */
183 5342 : SWITCH( output_config )
184 : {
185 101 : case IVAS_AUDIO_CONFIG_MONO:
186 101 : hOutSetup->is_loudspeaker_setup = 1;
187 101 : move16();
188 101 : BREAK;
189 178 : case IVAS_AUDIO_CONFIG_STEREO:
190 178 : hOutSetup->is_loudspeaker_setup = 1;
191 178 : move16();
192 178 : hOutSetup->ls_azimuth_fx = ls_azimuth_CICP2_fx; // Q22
193 178 : hOutSetup->ls_elevation_fx = ls_elevation_CICP2_fx; // Q22
194 178 : BREAK;
195 1564 : case IVAS_AUDIO_CONFIG_FOA:
196 1564 : hOutSetup->ambisonics_order = SBA_FOA_ORDER;
197 1564 : move16();
198 1564 : BREAK;
199 95 : case IVAS_AUDIO_CONFIG_HOA2:
200 95 : hOutSetup->ambisonics_order = SBA_HOA2_ORDER;
201 95 : move16();
202 95 : BREAK;
203 444 : case IVAS_AUDIO_CONFIG_HOA3:
204 444 : hOutSetup->ambisonics_order = SBA_HOA3_ORDER;
205 444 : move16();
206 444 : BREAK;
207 831 : case IVAS_AUDIO_CONFIG_5_1:
208 831 : hOutSetup->num_lfe = 1;
209 831 : move16();
210 831 : hOutSetup->index_lfe[0] = 3;
211 831 : move16();
212 831 : hOutSetup->is_loudspeaker_setup = 1;
213 831 : move16();
214 831 : hOutSetup->ls_azimuth_fx = ls_azimuth_CICP6_fx; // Q22
215 831 : hOutSetup->ls_elevation_fx = ls_elevation_CICP6_fx; // Q22
216 831 : hOutSetup->is_planar_setup = 1;
217 831 : move16();
218 831 : BREAK;
219 32 : case IVAS_AUDIO_CONFIG_7_1:
220 32 : hOutSetup->num_lfe = 1;
221 32 : move16();
222 32 : hOutSetup->index_lfe[0] = 3;
223 32 : move16();
224 32 : hOutSetup->is_loudspeaker_setup = 1;
225 32 : move16();
226 32 : hOutSetup->ls_azimuth_fx = ls_azimuth_CICP12_fx; // Q22
227 32 : hOutSetup->ls_elevation_fx = ls_elevation_CICP12_fx; // Q22
228 32 : hOutSetup->is_planar_setup = 1;
229 32 : move16();
230 32 : BREAK;
231 34 : case IVAS_AUDIO_CONFIG_5_1_2:
232 34 : hOutSetup->num_lfe = 1;
233 34 : move16();
234 34 : hOutSetup->index_lfe[0] = 3;
235 34 : move16();
236 34 : hOutSetup->is_loudspeaker_setup = 1;
237 34 : move16();
238 34 : hOutSetup->ls_azimuth_fx = ls_azimuth_CICP14_fx; // Q22
239 34 : hOutSetup->ls_elevation_fx = ls_elevation_CICP14_fx; // Q22
240 34 : hOutSetup->is_planar_setup = 0;
241 34 : move16();
242 34 : BREAK;
243 29 : case IVAS_AUDIO_CONFIG_5_1_4:
244 29 : hOutSetup->num_lfe = 1;
245 29 : move16();
246 29 : hOutSetup->index_lfe[0] = 3;
247 29 : move16();
248 29 : hOutSetup->is_loudspeaker_setup = 1;
249 29 : move16();
250 29 : hOutSetup->ls_azimuth_fx = ls_azimuth_CICP16_fx; // Q22
251 29 : hOutSetup->ls_elevation_fx = ls_elevation_CICP16_fx; // Q22
252 29 : hOutSetup->is_planar_setup = 0;
253 29 : move16();
254 29 : BREAK;
255 688 : case IVAS_AUDIO_CONFIG_7_1_4:
256 688 : hOutSetup->num_lfe = 1;
257 688 : move16();
258 688 : hOutSetup->index_lfe[0] = 3;
259 688 : move16();
260 688 : hOutSetup->is_loudspeaker_setup = 1;
261 688 : move16();
262 688 : hOutSetup->ls_azimuth_fx = ls_azimuth_CICP19_fx; // Q22
263 688 : hOutSetup->ls_elevation_fx = ls_elevation_CICP19_fx; // Q22
264 688 : hOutSetup->is_planar_setup = 0;
265 688 : move16();
266 688 : BREAK;
267 801 : case IVAS_AUDIO_CONFIG_BINAURAL:
268 : case IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR:
269 : case IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB:
270 : case IVAS_AUDIO_CONFIG_ISM1:
271 : case IVAS_AUDIO_CONFIG_ISM2:
272 : case IVAS_AUDIO_CONFIG_ISM3:
273 : case IVAS_AUDIO_CONFIG_ISM4:
274 801 : hOutSetup->is_binaural_setup = 1;
275 801 : move16();
276 1346 : case IVAS_AUDIO_CONFIG_EXTERNAL:
277 : /* Default values are used */
278 1346 : BREAK;
279 0 : default:
280 0 : return;
281 : }
282 : }
283 :
284 5347 : test();
285 5347 : IF( NE_16( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) && NE_16( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
286 : {
287 4797 : nchan_out = audioCfg2channels( output_config );
288 4797 : hOutSetup->nchan_out_woLFE = sub( nchan_out, hOutSetup->num_lfe );
289 4797 : move16();
290 : }
291 :
292 5347 : return;
293 : }
294 :
295 :
296 : /*-----------------------------------------------------------------*
297 : * ivas_get_nchan_buffers_dec()
298 : *
299 : * Return number of decoder audio buffers
300 : *-----------------------------------------------------------------*/
301 :
302 : /*! r: number of decoder buffers */
303 3127752 : Word16 ivas_get_nchan_buffers_dec(
304 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
305 : const Word16 sba_analysis_order, /* i : SBA order evaluated in SBA decoder */
306 : const Word32 ivas_total_brate /* i : total IVAS bitrate */
307 : )
308 : {
309 : Word16 nchan_out_buff;
310 : AUDIO_CONFIG output_config;
311 :
312 3127752 : output_config = st_ivas->hDecoderConfig->output_config;
313 3127752 : move16();
314 :
315 3127752 : nchan_out_buff = MAX_OUTPUT_CHANNELS;
316 3127752 : move16();
317 :
318 3127752 : IF( EQ_32( st_ivas->ivas_format, MONO_FORMAT ) )
319 : {
320 10 : nchan_out_buff = st_ivas->hDecoderConfig->nchan_out;
321 10 : move16();
322 : }
323 3127742 : ELSE IF( EQ_32( st_ivas->ivas_format, STEREO_FORMAT ) )
324 : {
325 277212 : nchan_out_buff = s_max( st_ivas->hDecoderConfig->nchan_out, CPE_CHANNELS );
326 : }
327 2850530 : ELSE IF( EQ_32( st_ivas->ivas_format, ISM_FORMAT ) )
328 : {
329 640956 : nchan_out_buff = st_ivas->nchan_ism;
330 640956 : move16();
331 :
332 640956 : IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
333 : {
334 27018 : nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
335 : }
336 613938 : ELSE IF( NE_32( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
337 : {
338 520242 : nchan_out_buff = s_max( audioCfg2channels( st_ivas->transport_config ), audioCfg2channels( st_ivas->intern_config ) );
339 520242 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( output_config ) );
340 : }
341 : }
342 2209574 : ELSE IF( EQ_32( st_ivas->ivas_format, SBA_FORMAT ) )
343 : {
344 : Word16 nchan_internal;
345 1106275 : nchan_internal = ivas_sba_get_nchan_metadata_fx( sba_analysis_order, ivas_total_brate );
346 1106275 : nchan_out_buff = st_ivas->hDecoderConfig->nchan_out;
347 1106275 : move16();
348 :
349 1106275 : IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
350 : {
351 18018 : nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
352 : }
353 : ELSE
354 : {
355 1088257 : nchan_out_buff = s_max( audioCfg2channels( st_ivas->transport_config ), audioCfg2channels( st_ivas->intern_config ) );
356 1088257 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( output_config ) );
357 : }
358 1106275 : nchan_out_buff = s_max( nchan_out_buff, nchan_internal );
359 : }
360 1103299 : ELSE IF( EQ_32( st_ivas->ivas_format, MASA_FORMAT ) )
361 : {
362 173416 : nchan_out_buff = CPE_CHANNELS;
363 173416 : move16();
364 :
365 173416 : test();
366 173416 : test();
367 173416 : test();
368 173416 : IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
369 : {
370 0 : nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
371 : }
372 173416 : ELSE IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_STEREO ) || EQ_32( output_config, IVAS_AUDIO_CONFIG_BINAURAL ) || EQ_32( output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR ) || EQ_32( output_config, IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
373 : {
374 65850 : nchan_out_buff = shl( CPE_CHANNELS, 1 );
375 : }
376 107566 : ELSE IF( NE_32( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
377 : {
378 92682 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( st_ivas->intern_config ) );
379 92682 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( output_config ) );
380 : }
381 : }
382 929883 : ELSE IF( EQ_32( st_ivas->ivas_format, MASA_ISM_FORMAT ) )
383 : {
384 49028 : nchan_out_buff = add( st_ivas->nchan_ism, CPE_CHANNELS );
385 :
386 49028 : IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
387 : {
388 0 : nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
389 : }
390 49028 : ELSE IF( NE_32( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
391 : {
392 46307 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( st_ivas->intern_config ) );
393 46307 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( output_config ) );
394 : }
395 : }
396 880855 : ELSE IF( EQ_32( st_ivas->ivas_format, SBA_ISM_FORMAT ) )
397 : {
398 : Word16 nchan_internal;
399 444109 : nchan_internal = ivas_sba_get_nchan_metadata_fx( sba_analysis_order, ivas_total_brate );
400 444109 : nchan_out_buff = add( st_ivas->nchan_ism, st_ivas->nchan_transport );
401 :
402 444109 : IF( st_ivas->hMCT != NULL )
403 : {
404 335727 : nchan_out_buff = shl( shr( add( nchan_out_buff, 1 ), 1 ), 1 ); /* ensure odd number of channels in MCT */
405 : }
406 :
407 444109 : IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
408 : {
409 0 : nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
410 : }
411 444109 : ELSE IF( NE_32( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
412 : {
413 379863 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( st_ivas->intern_config ) );
414 379863 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( output_config ) );
415 :
416 379863 : test();
417 379863 : IF( EQ_32( st_ivas->renderer_type, RENDERER_OSBA_AMBI ) || EQ_32( st_ivas->renderer_type, RENDERER_OSBA_LS ) )
418 : {
419 32032 : nchan_out_buff = s_max( add( nchan_out_buff, st_ivas->nchan_ism ), audioCfg2channels( output_config ) ); /* needed for ivas_sba_upmixer_renderer() */
420 : }
421 : ELSE
422 : {
423 347831 : nchan_out_buff = s_max( add( nchan_out_buff, st_ivas->nchan_ism ), audioCfg2channels( output_config ) ); /* needed for ivas_spar_dec_upmixer_sf() which is based on 'nchan_out' */
424 : }
425 : }
426 64246 : ELSE IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
427 : {
428 64246 : nchan_out_buff = add( st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_ism ); /*take into account sba_ch_idx' in ivas_dec() */
429 : }
430 :
431 444109 : test();
432 444109 : IF( !( EQ_32( output_config, IVAS_AUDIO_CONFIG_MONO ) || EQ_32( output_config, IVAS_AUDIO_CONFIG_STEREO ) ) )
433 : {
434 387342 : nchan_out_buff = s_max( nchan_out_buff, add( nchan_internal, st_ivas->nchan_ism ) );
435 : }
436 444109 : nchan_out_buff = s_min( nchan_out_buff, MAX_OUTPUT_CHANNELS + MAX_NUM_OBJECTS );
437 : }
438 436746 : ELSE IF( EQ_32( st_ivas->ivas_format, MC_FORMAT ) )
439 : {
440 436746 : nchan_out_buff = st_ivas->hDecoderConfig->nchan_out;
441 :
442 436746 : IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
443 : {
444 18018 : nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
445 : }
446 : ELSE
447 : {
448 418728 : nchan_out_buff = s_max( audioCfg2channels( st_ivas->transport_config ), audioCfg2channels( st_ivas->intern_config ) );
449 418728 : nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( output_config ) );
450 : }
451 : }
452 :
453 :
454 3127752 : return nchan_out_buff;
455 : }
456 :
457 : /*-------------------------------------------------------------------*
458 : * ivas_output_buff_dec()
459 : *
460 : * Allocate/reallocate output audio buffers
461 : *-------------------------------------------------------------------*/
462 4857 : ivas_error ivas_output_buff_dec_fx(
463 : Word32 *p_output_f[], /* i/o: output audio buffers */
464 : const Word16 nchan_out_buff_old, /* i : previous frame number of output channels */
465 : const Word16 nchan_out_buff /* i : number of output channels */
466 : )
467 : {
468 : Word16 ch;
469 4857 : IF( GT_16( nchan_out_buff, nchan_out_buff_old ) )
470 : {
471 3048 : FOR( ch = nchan_out_buff_old; ch < nchan_out_buff; ch++ )
472 : {
473 : /* note: these are intra-frame heap memories */
474 2554 : IF( ( p_output_f[ch] = (Word32 *) malloc( ( 48000 / FRAMES_PER_SEC ) * sizeof( Word32 ) ) ) == NULL ) /* note: 32000 == max internal sampling rate */
475 : {
476 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for floating-point output audio buffer!\n" ) );
477 : }
478 : }
479 : }
480 : ELSE
481 : {
482 6834 : FOR( ch = nchan_out_buff; ch < nchan_out_buff_old; ch++ )
483 : {
484 2471 : free( p_output_f[ch] );
485 2471 : p_output_f[ch] = NULL;
486 : }
487 : }
488 4857 : return IVAS_ERR_OK;
489 : }
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